+
+
\ No newline at end of file
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_adc.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_adc.h
new file mode 100644
index 00000000..900803a5
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_adc.h
@@ -0,0 +1,450 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_adc.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the ADC firmware
+ * library
+ ******************************************************************************
+ * @attention
+ *
+ *
+
+
+
+
+
+
+
|
+
© COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_ADC_H
+#define __STM32F0XX_ADC_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup ADC
+ * @{
+ */
+
+/* Exported types ------------------------------------------------------------*/
+
+/**
+ * @brief ADC Init structure definition
+ */
+
+typedef struct
+{
+ uint32_t ADC_Resolution; /*!< Selects the resolution of the conversion.
+ This parameter can be a value of @ref ADC_Resolution */
+
+ FunctionalState ADC_ContinuousConvMode; /*!< Specifies whether the conversion is performed in
+ Continuous or Single mode.
+ This parameter can be set to ENABLE or DISABLE. */
+
+ uint32_t ADC_ExternalTrigConvEdge; /*!< Selects the external trigger Edge and enables the
+ trigger of a regular group. This parameter can be a value
+ of @ref ADC_external_trigger_edge_conversion */
+
+ uint32_t ADC_ExternalTrigConv; /*!< Defines the external trigger used to start the analog
+ to digital conversion of regular channels. This parameter
+ can be a value of @ref ADC_external_trigger_sources_for_channels_conversion */
+
+ uint32_t ADC_DataAlign; /*!< Specifies whether the ADC data alignment is left or right.
+ This parameter can be a value of @ref ADC_data_align */
+
+ uint32_t ADC_ScanDirection; /*!< Specifies in which direction the channels will be scanned
+ in the sequence.
+ This parameter can be a value of @ref ADC_Scan_Direction */
+}ADC_InitTypeDef;
+
+
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup ADC_Exported_Constants
+ * @{
+ */
+#define IS_ADC_ALL_PERIPH(PERIPH) ((PERIPH) == ADC1)
+
+/** @defgroup ADC_JitterOff
+ * @{
+ */
+/* These defines are obsolete and maintained for legacy purpose only. They are replaced by the ADC_ClockMode */
+#define ADC_JitterOff_PCLKDiv2 ADC_CFGR2_JITOFFDIV2
+#define ADC_JitterOff_PCLKDiv4 ADC_CFGR2_JITOFFDIV4
+
+#define IS_ADC_JITTEROFF(JITTEROFF) (((JITTEROFF) & 0x3FFFFFFF) == (uint32_t)RESET)
+
+/**
+ * @}
+ */
+
+/** @defgroup ADC_ClockMode
+ * @{
+ */
+#define ADC_ClockMode_AsynClk ((uint32_t)0x00000000) /*!< ADC Asynchronous clock mode */
+#define ADC_ClockMode_SynClkDiv2 ADC_CFGR2_CKMODE_0 /*!< Synchronous clock mode divided by 2 */
+#define ADC_ClockMode_SynClkDiv4 ADC_CFGR2_CKMODE_1 /*!< Synchronous clock mode divided by 4 */
+#define IS_ADC_CLOCKMODE(CLOCK) (((CLOCK) == ADC_ClockMode_AsynClk) ||\
+ ((CLOCK) == ADC_ClockMode_SynClkDiv2) ||\
+ ((CLOCK) == ADC_ClockMode_SynClkDiv4))
+
+/**
+ * @}
+ */
+
+/** @defgroup ADC_Resolution
+ * @{
+ */
+#define ADC_Resolution_12b ((uint32_t)0x00000000)
+#define ADC_Resolution_10b ADC_CFGR1_RES_0
+#define ADC_Resolution_8b ADC_CFGR1_RES_1
+#define ADC_Resolution_6b ADC_CFGR1_RES
+
+#define IS_ADC_RESOLUTION(RESOLUTION) (((RESOLUTION) == ADC_Resolution_12b) || \
+ ((RESOLUTION) == ADC_Resolution_10b) || \
+ ((RESOLUTION) == ADC_Resolution_8b) || \
+ ((RESOLUTION) == ADC_Resolution_6b))
+
+/**
+ * @}
+ */
+
+/** @defgroup ADC_external_trigger_edge_conversion
+ * @{
+ */
+#define ADC_ExternalTrigConvEdge_None ((uint32_t)0x00000000)
+#define ADC_ExternalTrigConvEdge_Rising ADC_CFGR1_EXTEN_0
+#define ADC_ExternalTrigConvEdge_Falling ADC_CFGR1_EXTEN_1
+#define ADC_ExternalTrigConvEdge_RisingFalling ADC_CFGR1_EXTEN
+
+#define IS_ADC_EXT_TRIG_EDGE(EDGE) (((EDGE) == ADC_ExternalTrigConvEdge_None) || \
+ ((EDGE) == ADC_ExternalTrigConvEdge_Rising) || \
+ ((EDGE) == ADC_ExternalTrigConvEdge_Falling) || \
+ ((EDGE) == ADC_ExternalTrigConvEdge_RisingFalling))
+/**
+ * @}
+ */
+
+/** @defgroup ADC_external_trigger_sources_for_channels_conversion
+ * @{
+ */
+
+/* TIM1 */
+#define ADC_ExternalTrigConv_T1_TRGO ((uint32_t)0x00000000)
+#define ADC_ExternalTrigConv_T1_CC4 ADC_CFGR1_EXTSEL_0
+
+/* TIM2 */
+#define ADC_ExternalTrigConv_T2_TRGO ADC_CFGR1_EXTSEL_1
+
+/* TIM3 */
+#define ADC_ExternalTrigConv_T3_TRGO ((uint32_t)(ADC_CFGR1_EXTSEL_0 | ADC_CFGR1_EXTSEL_1))
+
+/* TIM15 */
+#define ADC_ExternalTrigConv_T15_TRGO ADC_CFGR1_EXTSEL_2
+
+#define IS_ADC_EXTERNAL_TRIG_CONV(CONV) (((CONV) == ADC_ExternalTrigConv_T1_TRGO) || \
+ ((CONV) == ADC_ExternalTrigConv_T1_CC4) || \
+ ((CONV) == ADC_ExternalTrigConv_T2_TRGO) || \
+ ((CONV) == ADC_ExternalTrigConv_T3_TRGO) || \
+ ((CONV) == ADC_ExternalTrigConv_T15_TRGO))
+/**
+ * @}
+ */
+
+/** @defgroup ADC_data_align
+ * @{
+ */
+
+#define ADC_DataAlign_Right ((uint32_t)0x00000000)
+#define ADC_DataAlign_Left ADC_CFGR1_ALIGN
+
+#define IS_ADC_DATA_ALIGN(ALIGN) (((ALIGN) == ADC_DataAlign_Right) || \
+ ((ALIGN) == ADC_DataAlign_Left))
+/**
+ * @}
+ */
+
+/** @defgroup ADC_Scan_Direction
+ * @{
+ */
+
+#define ADC_ScanDirection_Upward ((uint32_t)0x00000000)
+#define ADC_ScanDirection_Backward ADC_CFGR1_SCANDIR
+
+#define IS_ADC_SCAN_DIRECTION(DIRECTION) (((DIRECTION) == ADC_ScanDirection_Upward) || \
+ ((DIRECTION) == ADC_ScanDirection_Backward))
+/**
+ * @}
+ */
+
+/** @defgroup ADC_DMA_Mode
+ * @{
+ */
+
+#define ADC_DMAMode_OneShot ((uint32_t)0x00000000)
+#define ADC_DMAMode_Circular ADC_CFGR1_DMACFG
+
+#define IS_ADC_DMA_MODE(MODE) (((MODE) == ADC_DMAMode_OneShot) || \
+ ((MODE) == ADC_DMAMode_Circular))
+/**
+ * @}
+ */
+
+/** @defgroup ADC_analog_watchdog_selection
+ * @{
+ */
+
+#define ADC_AnalogWatchdog_Channel_0 ((uint32_t)0x00000000)
+#define ADC_AnalogWatchdog_Channel_1 ((uint32_t)0x04000000)
+#define ADC_AnalogWatchdog_Channel_2 ((uint32_t)0x08000000)
+#define ADC_AnalogWatchdog_Channel_3 ((uint32_t)0x0C000000)
+#define ADC_AnalogWatchdog_Channel_4 ((uint32_t)0x10000000)
+#define ADC_AnalogWatchdog_Channel_5 ((uint32_t)0x14000000)
+#define ADC_AnalogWatchdog_Channel_6 ((uint32_t)0x18000000)
+#define ADC_AnalogWatchdog_Channel_7 ((uint32_t)0x1C000000)
+#define ADC_AnalogWatchdog_Channel_8 ((uint32_t)0x20000000)
+#define ADC_AnalogWatchdog_Channel_9 ((uint32_t)0x24000000)
+#define ADC_AnalogWatchdog_Channel_10 ((uint32_t)0x28000000) /*!< Not available for STM32F031 devices */
+#define ADC_AnalogWatchdog_Channel_11 ((uint32_t)0x2C000000) /*!< Not available for STM32F031 devices */
+#define ADC_AnalogWatchdog_Channel_12 ((uint32_t)0x30000000) /*!< Not available for STM32F031 devices */
+#define ADC_AnalogWatchdog_Channel_13 ((uint32_t)0x34000000) /*!< Not available for STM32F031 devices */
+#define ADC_AnalogWatchdog_Channel_14 ((uint32_t)0x38000000) /*!< Not available for STM32F031 devices */
+#define ADC_AnalogWatchdog_Channel_15 ((uint32_t)0x3C000000) /*!< Not available for STM32F031 devices */
+#define ADC_AnalogWatchdog_Channel_16 ((uint32_t)0x40000000)
+#define ADC_AnalogWatchdog_Channel_17 ((uint32_t)0x44000000)
+#define ADC_AnalogWatchdog_Channel_18 ((uint32_t)0x48000000)
+
+
+#define IS_ADC_ANALOG_WATCHDOG_CHANNEL(CHANNEL) (((CHANNEL) == ADC_AnalogWatchdog_Channel_0) || \
+ ((CHANNEL) == ADC_AnalogWatchdog_Channel_1) || \
+ ((CHANNEL) == ADC_AnalogWatchdog_Channel_2) || \
+ ((CHANNEL) == ADC_AnalogWatchdog_Channel_3) || \
+ ((CHANNEL) == ADC_AnalogWatchdog_Channel_4) || \
+ ((CHANNEL) == ADC_AnalogWatchdog_Channel_5) || \
+ ((CHANNEL) == ADC_AnalogWatchdog_Channel_6) || \
+ ((CHANNEL) == ADC_AnalogWatchdog_Channel_7) || \
+ ((CHANNEL) == ADC_AnalogWatchdog_Channel_8) || \
+ ((CHANNEL) == ADC_AnalogWatchdog_Channel_9) || \
+ ((CHANNEL) == ADC_AnalogWatchdog_Channel_10) || \
+ ((CHANNEL) == ADC_AnalogWatchdog_Channel_11) || \
+ ((CHANNEL) == ADC_AnalogWatchdog_Channel_12) || \
+ ((CHANNEL) == ADC_AnalogWatchdog_Channel_13) || \
+ ((CHANNEL) == ADC_AnalogWatchdog_Channel_14) || \
+ ((CHANNEL) == ADC_AnalogWatchdog_Channel_15) || \
+ ((CHANNEL) == ADC_AnalogWatchdog_Channel_16) || \
+ ((CHANNEL) == ADC_AnalogWatchdog_Channel_17) || \
+ ((CHANNEL) == ADC_AnalogWatchdog_Channel_18))
+/**
+ * @}
+ */
+
+/** @defgroup ADC_sampling_times
+ * @{
+ */
+
+#define ADC_SampleTime_1_5Cycles ((uint32_t)0x00000000)
+#define ADC_SampleTime_7_5Cycles ((uint32_t)0x00000001)
+#define ADC_SampleTime_13_5Cycles ((uint32_t)0x00000002)
+#define ADC_SampleTime_28_5Cycles ((uint32_t)0x00000003)
+#define ADC_SampleTime_41_5Cycles ((uint32_t)0x00000004)
+#define ADC_SampleTime_55_5Cycles ((uint32_t)0x00000005)
+#define ADC_SampleTime_71_5Cycles ((uint32_t)0x00000006)
+#define ADC_SampleTime_239_5Cycles ((uint32_t)0x00000007)
+
+#define IS_ADC_SAMPLE_TIME(TIME) (((TIME) == ADC_SampleTime_1_5Cycles) || \
+ ((TIME) == ADC_SampleTime_7_5Cycles) || \
+ ((TIME) == ADC_SampleTime_13_5Cycles) || \
+ ((TIME) == ADC_SampleTime_28_5Cycles) || \
+ ((TIME) == ADC_SampleTime_41_5Cycles) || \
+ ((TIME) == ADC_SampleTime_55_5Cycles) || \
+ ((TIME) == ADC_SampleTime_71_5Cycles) || \
+ ((TIME) == ADC_SampleTime_239_5Cycles))
+/**
+ * @}
+ */
+
+/** @defgroup ADC_thresholds
+ * @{
+ */
+
+#define IS_ADC_THRESHOLD(THRESHOLD) ((THRESHOLD) <= 0xFFF)
+
+/**
+ * @}
+ */
+
+/** @defgroup ADC_channels
+ * @{
+ */
+
+#define ADC_Channel_0 ADC_CHSELR_CHSEL0
+#define ADC_Channel_1 ADC_CHSELR_CHSEL1
+#define ADC_Channel_2 ADC_CHSELR_CHSEL2
+#define ADC_Channel_3 ADC_CHSELR_CHSEL3
+#define ADC_Channel_4 ADC_CHSELR_CHSEL4
+#define ADC_Channel_5 ADC_CHSELR_CHSEL5
+#define ADC_Channel_6 ADC_CHSELR_CHSEL6
+#define ADC_Channel_7 ADC_CHSELR_CHSEL7
+#define ADC_Channel_8 ADC_CHSELR_CHSEL8
+#define ADC_Channel_9 ADC_CHSELR_CHSEL9
+#define ADC_Channel_10 ADC_CHSELR_CHSEL10 /*!< Not available for STM32F031 devices */
+#define ADC_Channel_11 ADC_CHSELR_CHSEL11 /*!< Not available for STM32F031 devices */
+#define ADC_Channel_12 ADC_CHSELR_CHSEL12 /*!< Not available for STM32F031 devices */
+#define ADC_Channel_13 ADC_CHSELR_CHSEL13 /*!< Not available for STM32F031 devices */
+#define ADC_Channel_14 ADC_CHSELR_CHSEL14 /*!< Not available for STM32F031 devices */
+#define ADC_Channel_15 ADC_CHSELR_CHSEL15 /*!< Not available for STM32F031 devices */
+#define ADC_Channel_16 ADC_CHSELR_CHSEL16
+#define ADC_Channel_17 ADC_CHSELR_CHSEL17
+#define ADC_Channel_18 ADC_CHSELR_CHSEL18 /*!< Not available for STM32F030 devices */
+
+#define ADC_Channel_TempSensor ((uint32_t)ADC_Channel_16)
+#define ADC_Channel_Vrefint ((uint32_t)ADC_Channel_17)
+#define ADC_Channel_Vbat ((uint32_t)ADC_Channel_18) /*!< Not available for STM32F030 devices */
+
+#define IS_ADC_CHANNEL(CHANNEL) (((CHANNEL) != (uint32_t)RESET) && (((CHANNEL) & 0xFFF80000) == (uint32_t)RESET))
+
+/**
+ * @}
+ */
+
+/** @defgroup ADC_interrupts_definition
+ * @{
+ */
+
+#define ADC_IT_ADRDY ADC_IER_ADRDYIE
+#define ADC_IT_EOSMP ADC_IER_EOSMPIE
+#define ADC_IT_EOC ADC_IER_EOCIE
+#define ADC_IT_EOSEQ ADC_IER_EOSEQIE
+#define ADC_IT_OVR ADC_IER_OVRIE
+#define ADC_IT_AWD ADC_IER_AWDIE
+
+#define IS_ADC_CONFIG_IT(IT) (((IT) != (uint32_t)RESET) && (((IT) & 0xFFFFFF60) == (uint32_t)RESET))
+
+#define IS_ADC_GET_IT(IT) (((IT) == ADC_IT_ADRDY) || ((IT) == ADC_IT_EOSMP) || \
+ ((IT) == ADC_IT_EOC) || ((IT) == ADC_IT_EOSEQ) || \
+ ((IT) == ADC_IT_OVR) || ((IT) == ADC_IT_AWD))
+
+#define IS_ADC_CLEAR_IT(IT) (((IT) != (uint32_t)RESET) && (((IT) & 0xFFFFFF60) == (uint32_t)RESET))
+
+/**
+ * @}
+ */
+
+/** @defgroup ADC_flags_definition
+ * @{
+ */
+
+#define ADC_FLAG_ADRDY ADC_ISR_ADRDY
+#define ADC_FLAG_EOSMP ADC_ISR_EOSMP
+#define ADC_FLAG_EOC ADC_ISR_EOC
+#define ADC_FLAG_EOSEQ ADC_ISR_EOSEQ
+#define ADC_FLAG_OVR ADC_ISR_OVR
+#define ADC_FLAG_AWD ADC_ISR_AWD
+
+#define ADC_FLAG_ADEN ((uint32_t)0x01000001)
+#define ADC_FLAG_ADDIS ((uint32_t)0x01000002)
+#define ADC_FLAG_ADSTART ((uint32_t)0x01000004)
+#define ADC_FLAG_ADSTP ((uint32_t)0x01000010)
+#define ADC_FLAG_ADCAL ((uint32_t)0x81000000)
+
+#define IS_ADC_CLEAR_FLAG(FLAG) (((FLAG) != (uint32_t)RESET) && (((FLAG) & 0xFFFFFF60) == (uint32_t)RESET))
+
+#define IS_ADC_GET_FLAG(FLAG) (((FLAG) == ADC_FLAG_ADRDY) || ((FLAG) == ADC_FLAG_EOSMP) || \
+ ((FLAG) == ADC_FLAG_EOC) || ((FLAG) == ADC_FLAG_EOSEQ) || \
+ ((FLAG) == ADC_FLAG_AWD) || ((FLAG) == ADC_FLAG_OVR) || \
+ ((FLAG) == ADC_FLAG_ADEN) || ((FLAG) == ADC_FLAG_ADDIS) || \
+ ((FLAG) == ADC_FLAG_ADSTART) || ((FLAG) == ADC_FLAG_ADSTP) || \
+ ((FLAG) == ADC_FLAG_ADCAL))
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+
+/* Function used to set the ADC configuration to the default reset state *****/
+void ADC_DeInit(ADC_TypeDef* ADCx);
+
+/* Initialization and Configuration functions *********************************/
+void ADC_Init(ADC_TypeDef* ADCx, ADC_InitTypeDef* ADC_InitStruct);
+void ADC_StructInit(ADC_InitTypeDef* ADC_InitStruct);
+void ADC_ClockModeConfig(ADC_TypeDef* ADCx, uint32_t ADC_ClockMode);
+void ADC_Cmd(ADC_TypeDef* ADCx, FunctionalState NewState);
+/* This Function is obsolete and maintained for legacy purpose only.
+ ADC_ClockModeConfig() function should be used instead */
+void ADC_JitterCmd(ADC_TypeDef* ADCx, uint32_t ADC_JitterOff, FunctionalState NewState);
+
+/* Power saving functions *****************************************************/
+void ADC_AutoPowerOffCmd(ADC_TypeDef* ADCx, FunctionalState NewState);
+void ADC_WaitModeCmd(ADC_TypeDef* ADCx, FunctionalState NewState);
+
+/* Analog Watchdog configuration functions ************************************/
+void ADC_AnalogWatchdogCmd(ADC_TypeDef* ADCx, FunctionalState NewState);
+void ADC_AnalogWatchdogThresholdsConfig(ADC_TypeDef* ADCx, uint16_t HighThreshold,uint16_t LowThreshold);
+void ADC_AnalogWatchdogSingleChannelConfig(ADC_TypeDef* ADCx, uint32_t ADC_AnalogWatchdog_Channel);
+void ADC_AnalogWatchdogSingleChannelCmd(ADC_TypeDef* ADCx, FunctionalState NewState);
+
+/* Temperature Sensor , Vrefint and Vbat management function ******************/
+void ADC_TempSensorCmd(FunctionalState NewState);
+void ADC_VrefintCmd(FunctionalState NewState);
+void ADC_VbatCmd(FunctionalState NewState); /*!< Not applicable for STM32F030 devices */
+
+/* Channels Configuration functions *******************************************/
+void ADC_ChannelConfig(ADC_TypeDef* ADCx, uint32_t ADC_Channel, uint32_t ADC_SampleTime);
+void ADC_ContinuousModeCmd(ADC_TypeDef* ADCx, FunctionalState NewState);
+void ADC_DiscModeCmd(ADC_TypeDef* ADCx, FunctionalState NewState);
+void ADC_OverrunModeCmd(ADC_TypeDef* ADCx, FunctionalState NewState);
+uint32_t ADC_GetCalibrationFactor(ADC_TypeDef* ADCx);
+void ADC_StopOfConversion(ADC_TypeDef* ADCx);
+void ADC_StartOfConversion(ADC_TypeDef* ADCx);
+uint16_t ADC_GetConversionValue(ADC_TypeDef* ADCx);
+
+/* Regular Channels DMA Configuration functions *******************************/
+void ADC_DMACmd(ADC_TypeDef* ADCx, FunctionalState NewState);
+void ADC_DMARequestModeConfig(ADC_TypeDef* ADCx, uint32_t ADC_DMARequestMode);
+
+/* Interrupts and flags management functions **********************************/
+void ADC_ITConfig(ADC_TypeDef* ADCx, uint32_t ADC_IT, FunctionalState NewState);
+FlagStatus ADC_GetFlagStatus(ADC_TypeDef* ADCx, uint32_t ADC_FLAG);
+void ADC_ClearFlag(ADC_TypeDef* ADCx, uint32_t ADC_FLAG);
+ITStatus ADC_GetITStatus(ADC_TypeDef* ADCx, uint32_t ADC_IT);
+void ADC_ClearITPendingBit(ADC_TypeDef* ADCx, uint32_t ADC_IT);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*__STM32F0XX_ADC_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_can.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_can.h
new file mode 100644
index 00000000..d8a178ea
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_can.h
@@ -0,0 +1,643 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_can.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the CAN firmware
+ * library, applicable only for STM32F072 devices.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0xx_CAN_H
+#define __STM32F0xx_CAN_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup CAN
+ * @{
+ */
+
+/* Exported types ------------------------------------------------------------*/
+
+#define IS_CAN_ALL_PERIPH(PERIPH) (((PERIPH) == CAN))
+
+/**
+ * @brief CAN init structure definition
+ */
+typedef struct
+{
+ uint16_t CAN_Prescaler; /*!< Specifies the length of a time quantum.
+ It ranges from 1 to 1024. */
+
+ uint8_t CAN_Mode; /*!< Specifies the CAN operating mode.
+ This parameter can be a value of @ref CAN_operating_mode */
+
+ uint8_t CAN_SJW; /*!< Specifies the maximum number of time quanta
+ the CAN hardware is allowed to lengthen or
+ shorten a bit to perform resynchronization.
+ This parameter can be a value of @ref CAN_synchronisation_jump_width */
+
+ uint8_t CAN_BS1; /*!< Specifies the number of time quanta in Bit
+ Segment 1. This parameter can be a value of
+ @ref CAN_time_quantum_in_bit_segment_1 */
+
+ uint8_t CAN_BS2; /*!< Specifies the number of time quanta in Bit Segment 2.
+ This parameter can be a value of @ref CAN_time_quantum_in_bit_segment_2 */
+
+ FunctionalState CAN_TTCM; /*!< Enable or disable the time triggered communication mode.
+ This parameter can be set either to ENABLE or DISABLE. */
+
+ FunctionalState CAN_ABOM; /*!< Enable or disable the automatic bus-off management.
+ This parameter can be set either to ENABLE or DISABLE. */
+
+ FunctionalState CAN_AWUM; /*!< Enable or disable the automatic wake-up mode.
+ This parameter can be set either to ENABLE or DISABLE. */
+
+ FunctionalState CAN_NART; /*!< Enable or disable the non-automatic retransmission mode.
+ This parameter can be set either to ENABLE or DISABLE. */
+
+ FunctionalState CAN_RFLM; /*!< Enable or disable the Receive FIFO Locked mode.
+ This parameter can be set either to ENABLE or DISABLE. */
+
+ FunctionalState CAN_TXFP; /*!< Enable or disable the transmit FIFO priority.
+ This parameter can be set either to ENABLE or DISABLE. */
+} CAN_InitTypeDef;
+
+/**
+ * @brief CAN filter init structure definition
+ */
+typedef struct
+{
+ uint16_t CAN_FilterIdHigh; /*!< Specifies the filter identification number (MSBs for a 32-bit
+ configuration, first one for a 16-bit configuration).
+ This parameter can be a value between 0x0000 and 0xFFFF */
+
+ uint16_t CAN_FilterIdLow; /*!< Specifies the filter identification number (LSBs for a 32-bit
+ configuration, second one for a 16-bit configuration).
+ This parameter can be a value between 0x0000 and 0xFFFF */
+
+ uint16_t CAN_FilterMaskIdHigh; /*!< Specifies the filter mask number or identification number,
+ according to the mode (MSBs for a 32-bit configuration,
+ first one for a 16-bit configuration).
+ This parameter can be a value between 0x0000 and 0xFFFF */
+
+ uint16_t CAN_FilterMaskIdLow; /*!< Specifies the filter mask number or identification number,
+ according to the mode (LSBs for a 32-bit configuration,
+ second one for a 16-bit configuration).
+ This parameter can be a value between 0x0000 and 0xFFFF */
+
+ uint16_t CAN_FilterFIFOAssignment; /*!< Specifies the FIFO (0 or 1) which will be assigned to the filter.
+ This parameter can be a value of @ref CAN_filter_FIFO */
+
+ uint8_t CAN_FilterNumber; /*!< Specifies the filter which will be initialized. It ranges from 0 to 13. */
+
+ uint8_t CAN_FilterMode; /*!< Specifies the filter mode to be initialized.
+ This parameter can be a value of @ref CAN_filter_mode */
+
+ uint8_t CAN_FilterScale; /*!< Specifies the filter scale.
+ This parameter can be a value of @ref CAN_filter_scale */
+
+ FunctionalState CAN_FilterActivation; /*!< Enable or disable the filter.
+ This parameter can be set either to ENABLE or DISABLE. */
+} CAN_FilterInitTypeDef;
+
+/**
+ * @brief CAN Tx message structure definition
+ */
+typedef struct
+{
+ uint32_t StdId; /*!< Specifies the standard identifier.
+ This parameter can be a value between 0 to 0x7FF. */
+
+ uint32_t ExtId; /*!< Specifies the extended identifier.
+ This parameter can be a value between 0 to 0x1FFFFFFF. */
+
+ uint8_t IDE; /*!< Specifies the type of identifier for the message that
+ will be transmitted. This parameter can be a value
+ of @ref CAN_identifier_type */
+
+ uint8_t RTR; /*!< Specifies the type of frame for the message that will
+ be transmitted. This parameter can be a value of
+ @ref CAN_remote_transmission_request */
+
+ uint8_t DLC; /*!< Specifies the length of the frame that will be
+ transmitted. This parameter can be a value between
+ 0 to 8 */
+
+ uint8_t Data[8]; /*!< Contains the data to be transmitted. It ranges from 0
+ to 0xFF. */
+} CanTxMsg;
+
+/**
+ * @brief CAN Rx message structure definition
+ */
+typedef struct
+{
+ uint32_t StdId; /*!< Specifies the standard identifier.
+ This parameter can be a value between 0 to 0x7FF. */
+
+ uint32_t ExtId; /*!< Specifies the extended identifier.
+ This parameter can be a value between 0 to 0x1FFFFFFF. */
+
+ uint8_t IDE; /*!< Specifies the type of identifier for the message that
+ will be received. This parameter can be a value of
+ @ref CAN_identifier_type */
+
+ uint8_t RTR; /*!< Specifies the type of frame for the received message.
+ This parameter can be a value of
+ @ref CAN_remote_transmission_request */
+
+ uint8_t DLC; /*!< Specifies the length of the frame that will be received.
+ This parameter can be a value between 0 to 8 */
+
+ uint8_t Data[8]; /*!< Contains the data to be received. It ranges from 0 to
+ 0xFF. */
+
+ uint8_t FMI; /*!< Specifies the index of the filter the message stored in
+ the mailbox passes through. This parameter can be a
+ value between 0 to 0xFF */
+} CanRxMsg;
+
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup CAN_Exported_Constants
+ * @{
+ */
+
+/** @defgroup CAN_InitStatus
+ * @{
+ */
+
+#define CAN_InitStatus_Failed ((uint8_t)0x00) /*!< CAN initialization failed */
+#define CAN_InitStatus_Success ((uint8_t)0x01) /*!< CAN initialization OK */
+
+
+/* Legacy defines */
+#define CANINITFAILED CAN_InitStatus_Failed
+#define CANINITOK CAN_InitStatus_Success
+/**
+ * @}
+ */
+
+/** @defgroup CAN_operating_mode
+ * @{
+ */
+
+#define CAN_Mode_Normal ((uint8_t)0x00) /*!< normal mode */
+#define CAN_Mode_LoopBack ((uint8_t)0x01) /*!< loopback mode */
+#define CAN_Mode_Silent ((uint8_t)0x02) /*!< silent mode */
+#define CAN_Mode_Silent_LoopBack ((uint8_t)0x03) /*!< loopback combined with silent mode */
+
+#define IS_CAN_MODE(MODE) (((MODE) == CAN_Mode_Normal) || \
+ ((MODE) == CAN_Mode_LoopBack)|| \
+ ((MODE) == CAN_Mode_Silent) || \
+ ((MODE) == CAN_Mode_Silent_LoopBack))
+/**
+ * @}
+ */
+
+
+ /**
+ * @defgroup CAN_operating_mode
+ * @{
+ */
+#define CAN_OperatingMode_Initialization ((uint8_t)0x00) /*!< Initialization mode */
+#define CAN_OperatingMode_Normal ((uint8_t)0x01) /*!< Normal mode */
+#define CAN_OperatingMode_Sleep ((uint8_t)0x02) /*!< sleep mode */
+
+
+#define IS_CAN_OPERATING_MODE(MODE) (((MODE) == CAN_OperatingMode_Initialization) ||\
+ ((MODE) == CAN_OperatingMode_Normal)|| \
+ ((MODE) == CAN_OperatingMode_Sleep))
+/**
+ * @}
+ */
+
+/**
+ * @defgroup CAN_operating_mode_status
+ * @{
+ */
+
+#define CAN_ModeStatus_Failed ((uint8_t)0x00) /*!< CAN entering the specific mode failed */
+#define CAN_ModeStatus_Success ((uint8_t)!CAN_ModeStatus_Failed) /*!< CAN entering the specific mode Succeed */
+/**
+ * @}
+ */
+
+/** @defgroup CAN_synchronisation_jump_width
+ * @{
+ */
+#define CAN_SJW_1tq ((uint8_t)0x00) /*!< 1 time quantum */
+#define CAN_SJW_2tq ((uint8_t)0x01) /*!< 2 time quantum */
+#define CAN_SJW_3tq ((uint8_t)0x02) /*!< 3 time quantum */
+#define CAN_SJW_4tq ((uint8_t)0x03) /*!< 4 time quantum */
+
+#define IS_CAN_SJW(SJW) (((SJW) == CAN_SJW_1tq) || ((SJW) == CAN_SJW_2tq)|| \
+ ((SJW) == CAN_SJW_3tq) || ((SJW) == CAN_SJW_4tq))
+/**
+ * @}
+ */
+
+/** @defgroup CAN_time_quantum_in_bit_segment_1
+ * @{
+ */
+#define CAN_BS1_1tq ((uint8_t)0x00) /*!< 1 time quantum */
+#define CAN_BS1_2tq ((uint8_t)0x01) /*!< 2 time quantum */
+#define CAN_BS1_3tq ((uint8_t)0x02) /*!< 3 time quantum */
+#define CAN_BS1_4tq ((uint8_t)0x03) /*!< 4 time quantum */
+#define CAN_BS1_5tq ((uint8_t)0x04) /*!< 5 time quantum */
+#define CAN_BS1_6tq ((uint8_t)0x05) /*!< 6 time quantum */
+#define CAN_BS1_7tq ((uint8_t)0x06) /*!< 7 time quantum */
+#define CAN_BS1_8tq ((uint8_t)0x07) /*!< 8 time quantum */
+#define CAN_BS1_9tq ((uint8_t)0x08) /*!< 9 time quantum */
+#define CAN_BS1_10tq ((uint8_t)0x09) /*!< 10 time quantum */
+#define CAN_BS1_11tq ((uint8_t)0x0A) /*!< 11 time quantum */
+#define CAN_BS1_12tq ((uint8_t)0x0B) /*!< 12 time quantum */
+#define CAN_BS1_13tq ((uint8_t)0x0C) /*!< 13 time quantum */
+#define CAN_BS1_14tq ((uint8_t)0x0D) /*!< 14 time quantum */
+#define CAN_BS1_15tq ((uint8_t)0x0E) /*!< 15 time quantum */
+#define CAN_BS1_16tq ((uint8_t)0x0F) /*!< 16 time quantum */
+
+#define IS_CAN_BS1(BS1) ((BS1) <= CAN_BS1_16tq)
+/**
+ * @}
+ */
+
+/** @defgroup CAN_time_quantum_in_bit_segment_2
+ * @{
+ */
+#define CAN_BS2_1tq ((uint8_t)0x00) /*!< 1 time quantum */
+#define CAN_BS2_2tq ((uint8_t)0x01) /*!< 2 time quantum */
+#define CAN_BS2_3tq ((uint8_t)0x02) /*!< 3 time quantum */
+#define CAN_BS2_4tq ((uint8_t)0x03) /*!< 4 time quantum */
+#define CAN_BS2_5tq ((uint8_t)0x04) /*!< 5 time quantum */
+#define CAN_BS2_6tq ((uint8_t)0x05) /*!< 6 time quantum */
+#define CAN_BS2_7tq ((uint8_t)0x06) /*!< 7 time quantum */
+#define CAN_BS2_8tq ((uint8_t)0x07) /*!< 8 time quantum */
+
+#define IS_CAN_BS2(BS2) ((BS2) <= CAN_BS2_8tq)
+/**
+ * @}
+ */
+
+/** @defgroup CAN_clock_prescaler
+ * @{
+ */
+#define IS_CAN_PRESCALER(PRESCALER) (((PRESCALER) >= 1) && ((PRESCALER) <= 1024))
+/**
+ * @}
+ */
+
+/** @defgroup CAN_filter_number
+ * @{
+ */
+#define IS_CAN_FILTER_NUMBER(NUMBER) ((NUMBER) <= 27)
+/**
+ * @}
+ */
+
+/** @defgroup CAN_filter_mode
+ * @{
+ */
+#define CAN_FilterMode_IdMask ((uint8_t)0x00) /*!< identifier/mask mode */
+#define CAN_FilterMode_IdList ((uint8_t)0x01) /*!< identifier list mode */
+
+#define IS_CAN_FILTER_MODE(MODE) (((MODE) == CAN_FilterMode_IdMask) || \
+ ((MODE) == CAN_FilterMode_IdList))
+/**
+ * @}
+ */
+
+/** @defgroup CAN_filter_scale
+ * @{
+ */
+#define CAN_FilterScale_16bit ((uint8_t)0x00) /*!< Two 16-bit filters */
+#define CAN_FilterScale_32bit ((uint8_t)0x01) /*!< One 32-bit filter */
+
+#define IS_CAN_FILTER_SCALE(SCALE) (((SCALE) == CAN_FilterScale_16bit) || \
+ ((SCALE) == CAN_FilterScale_32bit))
+/**
+ * @}
+ */
+
+/** @defgroup CAN_filter_FIFO
+ * @{
+ */
+#define CAN_Filter_FIFO0 ((uint8_t)0x00) /*!< Filter FIFO 0 assignment for filter x */
+#define CAN_Filter_FIFO1 ((uint8_t)0x01) /*!< Filter FIFO 1 assignment for filter x */
+#define IS_CAN_FILTER_FIFO(FIFO) (((FIFO) == CAN_FilterFIFO0) || \
+ ((FIFO) == CAN_FilterFIFO1))
+
+/* Legacy defines */
+#define CAN_FilterFIFO0 CAN_Filter_FIFO0
+#define CAN_FilterFIFO1 CAN_Filter_FIFO1
+/**
+ * @}
+ */
+
+/** @defgroup CAN_Start_bank_filter_for_slave_CAN
+ * @{
+ */
+#define IS_CAN_BANKNUMBER(BANKNUMBER) (((BANKNUMBER) >= 1) && ((BANKNUMBER) <= 27))
+/**
+ * @}
+ */
+
+/** @defgroup CAN_Tx
+ * @{
+ */
+#define IS_CAN_TRANSMITMAILBOX(TRANSMITMAILBOX) ((TRANSMITMAILBOX) <= ((uint8_t)0x02))
+#define IS_CAN_STDID(STDID) ((STDID) <= ((uint32_t)0x7FF))
+#define IS_CAN_EXTID(EXTID) ((EXTID) <= ((uint32_t)0x1FFFFFFF))
+#define IS_CAN_DLC(DLC) ((DLC) <= ((uint8_t)0x08))
+/**
+ * @}
+ */
+
+/** @defgroup CAN_identifier_type
+ * @{
+ */
+#define CAN_Id_Standard ((uint32_t)0x00000000) /*!< Standard Id */
+#define CAN_Id_Extended ((uint32_t)0x00000004) /*!< Extended Id */
+#define IS_CAN_IDTYPE(IDTYPE) (((IDTYPE) == CAN_Id_Standard) || \
+ ((IDTYPE) == CAN_Id_Extended))
+
+/* Legacy defines */
+#define CAN_ID_STD CAN_Id_Standard
+#define CAN_ID_EXT CAN_Id_Extended
+/**
+ * @}
+ */
+
+/** @defgroup CAN_remote_transmission_request
+ * @{
+ */
+#define CAN_RTR_Data ((uint32_t)0x00000000) /*!< Data frame */
+#define CAN_RTR_Remote ((uint32_t)0x00000002) /*!< Remote frame */
+#define IS_CAN_RTR(RTR) (((RTR) == CAN_RTR_Data) || ((RTR) == CAN_RTR_Remote))
+
+/* Legacy defines */
+#define CAN_RTR_DATA CAN_RTR_Data
+#define CAN_RTR_REMOTE CAN_RTR_Remote
+/**
+ * @}
+ */
+
+/** @defgroup CAN_transmit_constants
+ * @{
+ */
+#define CAN_TxStatus_Failed ((uint8_t)0x00)/*!< CAN transmission failed */
+#define CAN_TxStatus_Ok ((uint8_t)0x01) /*!< CAN transmission succeeded */
+#define CAN_TxStatus_Pending ((uint8_t)0x02) /*!< CAN transmission pending */
+#define CAN_TxStatus_NoMailBox ((uint8_t)0x04) /*!< CAN cell did not provide
+ an empty mailbox */
+/* Legacy defines */
+#define CANTXFAILED CAN_TxStatus_Failed
+#define CANTXOK CAN_TxStatus_Ok
+#define CANTXPENDING CAN_TxStatus_Pending
+#define CAN_NO_MB CAN_TxStatus_NoMailBox
+/**
+ * @}
+ */
+
+/** @defgroup CAN_receive_FIFO_number_constants
+ * @{
+ */
+#define CAN_FIFO0 ((uint8_t)0x00) /*!< CAN FIFO 0 used to receive */
+#define CAN_FIFO1 ((uint8_t)0x01) /*!< CAN FIFO 1 used to receive */
+
+#define IS_CAN_FIFO(FIFO) (((FIFO) == CAN_FIFO0) || ((FIFO) == CAN_FIFO1))
+/**
+ * @}
+ */
+
+/** @defgroup CAN_sleep_constants
+ * @{
+ */
+#define CAN_Sleep_Failed ((uint8_t)0x00) /*!< CAN did not enter the sleep mode */
+#define CAN_Sleep_Ok ((uint8_t)0x01) /*!< CAN entered the sleep mode */
+
+/* Legacy defines */
+#define CANSLEEPFAILED CAN_Sleep_Failed
+#define CANSLEEPOK CAN_Sleep_Ok
+/**
+ * @}
+ */
+
+/** @defgroup CAN_wake_up_constants
+ * @{
+ */
+#define CAN_WakeUp_Failed ((uint8_t)0x00) /*!< CAN did not leave the sleep mode */
+#define CAN_WakeUp_Ok ((uint8_t)0x01) /*!< CAN leaved the sleep mode */
+
+/* Legacy defines */
+#define CANWAKEUPFAILED CAN_WakeUp_Failed
+#define CANWAKEUPOK CAN_WakeUp_Ok
+/**
+ * @}
+ */
+
+/**
+ * @defgroup CAN_Error_Code_constants
+ * @{
+ */
+#define CAN_ErrorCode_NoErr ((uint8_t)0x00) /*!< No Error */
+#define CAN_ErrorCode_StuffErr ((uint8_t)0x10) /*!< Stuff Error */
+#define CAN_ErrorCode_FormErr ((uint8_t)0x20) /*!< Form Error */
+#define CAN_ErrorCode_ACKErr ((uint8_t)0x30) /*!< Acknowledgment Error */
+#define CAN_ErrorCode_BitRecessiveErr ((uint8_t)0x40) /*!< Bit Recessive Error */
+#define CAN_ErrorCode_BitDominantErr ((uint8_t)0x50) /*!< Bit Dominant Error */
+#define CAN_ErrorCode_CRCErr ((uint8_t)0x60) /*!< CRC Error */
+#define CAN_ErrorCode_SoftwareSetErr ((uint8_t)0x70) /*!< Software Set Error */
+/**
+ * @}
+ */
+
+/** @defgroup CAN_flags
+ * @{
+ */
+/* If the flag is 0x3XXXXXXX, it means that it can be used with CAN_GetFlagStatus()
+ and CAN_ClearFlag() functions. */
+/* If the flag is 0x1XXXXXXX, it means that it can only be used with
+ CAN_GetFlagStatus() function. */
+
+/* Transmit Flags */
+#define CAN_FLAG_RQCP0 ((uint32_t)0x38000001) /*!< Request MailBox0 Flag */
+#define CAN_FLAG_RQCP1 ((uint32_t)0x38000100) /*!< Request MailBox1 Flag */
+#define CAN_FLAG_RQCP2 ((uint32_t)0x38010000) /*!< Request MailBox2 Flag */
+
+/* Receive Flags */
+#define CAN_FLAG_FMP0 ((uint32_t)0x12000003) /*!< FIFO 0 Message Pending Flag */
+#define CAN_FLAG_FF0 ((uint32_t)0x32000008) /*!< FIFO 0 Full Flag */
+#define CAN_FLAG_FOV0 ((uint32_t)0x32000010) /*!< FIFO 0 Overrun Flag */
+#define CAN_FLAG_FMP1 ((uint32_t)0x14000003) /*!< FIFO 1 Message Pending Flag */
+#define CAN_FLAG_FF1 ((uint32_t)0x34000008) /*!< FIFO 1 Full Flag */
+#define CAN_FLAG_FOV1 ((uint32_t)0x34000010) /*!< FIFO 1 Overrun Flag */
+
+/* Operating Mode Flags */
+#define CAN_FLAG_WKU ((uint32_t)0x31000008) /*!< Wake up Flag */
+#define CAN_FLAG_SLAK ((uint32_t)0x31000012) /*!< Sleep acknowledge Flag */
+/* @note When SLAK interrupt is disabled (SLKIE=0), no polling on SLAKI is possible.
+ In this case the SLAK bit can be polled.*/
+
+/* Error Flags */
+#define CAN_FLAG_EWG ((uint32_t)0x10F00001) /*!< Error Warning Flag */
+#define CAN_FLAG_EPV ((uint32_t)0x10F00002) /*!< Error Passive Flag */
+#define CAN_FLAG_BOF ((uint32_t)0x10F00004) /*!< Bus-Off Flag */
+#define CAN_FLAG_LEC ((uint32_t)0x30F00070) /*!< Last error code Flag */
+
+#define IS_CAN_GET_FLAG(FLAG) (((FLAG) == CAN_FLAG_LEC) || ((FLAG) == CAN_FLAG_BOF) || \
+ ((FLAG) == CAN_FLAG_EPV) || ((FLAG) == CAN_FLAG_EWG) || \
+ ((FLAG) == CAN_FLAG_WKU) || ((FLAG) == CAN_FLAG_FOV0) || \
+ ((FLAG) == CAN_FLAG_FF0) || ((FLAG) == CAN_FLAG_FMP0) || \
+ ((FLAG) == CAN_FLAG_FOV1) || ((FLAG) == CAN_FLAG_FF1) || \
+ ((FLAG) == CAN_FLAG_FMP1) || ((FLAG) == CAN_FLAG_RQCP2) || \
+ ((FLAG) == CAN_FLAG_RQCP1)|| ((FLAG) == CAN_FLAG_RQCP0) || \
+ ((FLAG) == CAN_FLAG_SLAK ))
+
+#define IS_CAN_CLEAR_FLAG(FLAG)(((FLAG) == CAN_FLAG_LEC) || ((FLAG) == CAN_FLAG_RQCP2) || \
+ ((FLAG) == CAN_FLAG_RQCP1) || ((FLAG) == CAN_FLAG_RQCP0) || \
+ ((FLAG) == CAN_FLAG_FF0) || ((FLAG) == CAN_FLAG_FOV0) ||\
+ ((FLAG) == CAN_FLAG_FF1) || ((FLAG) == CAN_FLAG_FOV1) || \
+ ((FLAG) == CAN_FLAG_WKU) || ((FLAG) == CAN_FLAG_SLAK))
+/**
+ * @}
+ */
+
+
+/** @defgroup CAN_interrupts
+ * @{
+ */
+#define CAN_IT_TME ((uint32_t)0x00000001) /*!< Transmit mailbox empty Interrupt*/
+
+/* Receive Interrupts */
+#define CAN_IT_FMP0 ((uint32_t)0x00000002) /*!< FIFO 0 message pending Interrupt*/
+#define CAN_IT_FF0 ((uint32_t)0x00000004) /*!< FIFO 0 full Interrupt*/
+#define CAN_IT_FOV0 ((uint32_t)0x00000008) /*!< FIFO 0 overrun Interrupt*/
+#define CAN_IT_FMP1 ((uint32_t)0x00000010) /*!< FIFO 1 message pending Interrupt*/
+#define CAN_IT_FF1 ((uint32_t)0x00000020) /*!< FIFO 1 full Interrupt*/
+#define CAN_IT_FOV1 ((uint32_t)0x00000040) /*!< FIFO 1 overrun Interrupt*/
+
+/* Operating Mode Interrupts */
+#define CAN_IT_WKU ((uint32_t)0x00010000) /*!< Wake-up Interrupt*/
+#define CAN_IT_SLK ((uint32_t)0x00020000) /*!< Sleep acknowledge Interrupt*/
+
+/* Error Interrupts */
+#define CAN_IT_EWG ((uint32_t)0x00000100) /*!< Error warning Interrupt*/
+#define CAN_IT_EPV ((uint32_t)0x00000200) /*!< Error passive Interrupt*/
+#define CAN_IT_BOF ((uint32_t)0x00000400) /*!< Bus-off Interrupt*/
+#define CAN_IT_LEC ((uint32_t)0x00000800) /*!< Last error code Interrupt*/
+#define CAN_IT_ERR ((uint32_t)0x00008000) /*!< Error Interrupt*/
+
+/* Flags named as Interrupts : kept only for FW compatibility */
+#define CAN_IT_RQCP0 CAN_IT_TME
+#define CAN_IT_RQCP1 CAN_IT_TME
+#define CAN_IT_RQCP2 CAN_IT_TME
+
+
+#define IS_CAN_IT(IT) (((IT) == CAN_IT_TME) || ((IT) == CAN_IT_FMP0) ||\
+ ((IT) == CAN_IT_FF0) || ((IT) == CAN_IT_FOV0) ||\
+ ((IT) == CAN_IT_FMP1) || ((IT) == CAN_IT_FF1) ||\
+ ((IT) == CAN_IT_FOV1) || ((IT) == CAN_IT_EWG) ||\
+ ((IT) == CAN_IT_EPV) || ((IT) == CAN_IT_BOF) ||\
+ ((IT) == CAN_IT_LEC) || ((IT) == CAN_IT_ERR) ||\
+ ((IT) == CAN_IT_WKU) || ((IT) == CAN_IT_SLK))
+
+#define IS_CAN_CLEAR_IT(IT) (((IT) == CAN_IT_TME) || ((IT) == CAN_IT_FF0) ||\
+ ((IT) == CAN_IT_FOV0)|| ((IT) == CAN_IT_FF1) ||\
+ ((IT) == CAN_IT_FOV1)|| ((IT) == CAN_IT_EWG) ||\
+ ((IT) == CAN_IT_EPV) || ((IT) == CAN_IT_BOF) ||\
+ ((IT) == CAN_IT_LEC) || ((IT) == CAN_IT_ERR) ||\
+ ((IT) == CAN_IT_WKU) || ((IT) == CAN_IT_SLK))
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions --------------------------------------------------------*/
+
+/* Function used to set the CAN configuration to the default reset state *****/
+void CAN_DeInit(CAN_TypeDef* CANx);
+
+/* Initialization and Configuration functions *********************************/
+uint8_t CAN_Init(CAN_TypeDef* CANx, CAN_InitTypeDef* CAN_InitStruct);
+void CAN_FilterInit(CAN_FilterInitTypeDef* CAN_FilterInitStruct);
+void CAN_StructInit(CAN_InitTypeDef* CAN_InitStruct);
+void CAN_SlaveStartBank(uint8_t CAN_BankNumber);
+void CAN_DBGFreeze(CAN_TypeDef* CANx, FunctionalState NewState);
+void CAN_TTComModeCmd(CAN_TypeDef* CANx, FunctionalState NewState);
+
+/* CAN Frames Transmission functions ******************************************/
+uint8_t CAN_Transmit(CAN_TypeDef* CANx, CanTxMsg* TxMessage);
+uint8_t CAN_TransmitStatus(CAN_TypeDef* CANx, uint8_t TransmitMailbox);
+void CAN_CancelTransmit(CAN_TypeDef* CANx, uint8_t Mailbox);
+
+/* CAN Frames Reception functions *********************************************/
+void CAN_Receive(CAN_TypeDef* CANx, uint8_t FIFONumber, CanRxMsg* RxMessage);
+void CAN_FIFORelease(CAN_TypeDef* CANx, uint8_t FIFONumber);
+uint8_t CAN_MessagePending(CAN_TypeDef* CANx, uint8_t FIFONumber);
+
+/* Operation modes functions **************************************************/
+uint8_t CAN_OperatingModeRequest(CAN_TypeDef* CANx, uint8_t CAN_OperatingMode);
+uint8_t CAN_Sleep(CAN_TypeDef* CANx);
+uint8_t CAN_WakeUp(CAN_TypeDef* CANx);
+
+/* CAN Bus Error management functions *****************************************/
+uint8_t CAN_GetLastErrorCode(CAN_TypeDef* CANx);
+uint8_t CAN_GetReceiveErrorCounter(CAN_TypeDef* CANx);
+uint8_t CAN_GetLSBTransmitErrorCounter(CAN_TypeDef* CANx);
+
+/* Interrupts and flags management functions **********************************/
+void CAN_ITConfig(CAN_TypeDef* CANx, uint32_t CAN_IT, FunctionalState NewState);
+FlagStatus CAN_GetFlagStatus(CAN_TypeDef* CANx, uint32_t CAN_FLAG);
+void CAN_ClearFlag(CAN_TypeDef* CANx, uint32_t CAN_FLAG);
+ITStatus CAN_GetITStatus(CAN_TypeDef* CANx, uint32_t CAN_IT);
+void CAN_ClearITPendingBit(CAN_TypeDef* CANx, uint32_t CAN_IT);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F0xx_CAN_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_cec.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_cec.h
new file mode 100644
index 00000000..ca1244e2
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_cec.h
@@ -0,0 +1,300 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_cec.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the CEC firmware
+ * library, applicable only for STM32F051, STM32F042 and STM32F072 devices.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_CEC_H
+#define __STM32F0XX_CEC_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup CEC
+ * @{
+ */
+/* Exported types ------------------------------------------------------------*/
+
+/**
+ * @brief CEC Init structure definition
+ */
+typedef struct
+{
+ uint32_t CEC_SignalFreeTime; /*!< Specifies the CEC Signal Free Time configuration.
+ This parameter can be a value of @ref CEC_Signal_Free_Time */
+ uint32_t CEC_RxTolerance; /*!< Specifies the CEC Reception Tolerance.
+ This parameter can be a value of @ref CEC_RxTolerance */
+ uint32_t CEC_StopReception; /*!< Specifies the CEC Stop Reception.
+ This parameter can be a value of @ref CEC_Stop_Reception */
+ uint32_t CEC_BitRisingError; /*!< Specifies the CEC Bit Rising Error generation.
+ This parameter can be a value of @ref CEC_Bit_Rising_Error_Generation */
+ uint32_t CEC_LongBitPeriodError; /*!< Specifies the CEC Long Bit Error generation.
+ This parameter can be a value of @ref CEC_Long_Bit_Error_Generation */
+ uint32_t CEC_BRDNoGen; /*!< Specifies the CEC Broadcast Error generation.
+ This parameter can be a value of @ref CEC_BDR_No_Gen */
+ uint32_t CEC_SFTOption; /*!< Specifies the CEC Signal Free Time option.
+ This parameter can be a value of @ref CEC_SFT_Option */
+
+}CEC_InitTypeDef;
+
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup CEC_Exported_Constants
+ * @{
+ */
+
+/** @defgroup CEC_Signal_Free_Time
+ * @{
+ */
+#define CEC_SignalFreeTime_Standard ((uint32_t)0x00000000) /*!< CEC Signal Free Time Standard */
+#define CEC_SignalFreeTime_1T ((uint32_t)0x00000001) /*!< CEC 1.5 nominal data bit periods */
+#define CEC_SignalFreeTime_2T ((uint32_t)0x00000002) /*!< CEC 2.5 nominal data bit periods */
+#define CEC_SignalFreeTime_3T ((uint32_t)0x00000003) /*!< CEC 3.5 nominal data bit periods */
+#define CEC_SignalFreeTime_4T ((uint32_t)0x00000004) /*!< CEC 4.5 nominal data bit periods */
+#define CEC_SignalFreeTime_5T ((uint32_t)0x00000005) /*!< CEC 5.5 nominal data bit periods */
+#define CEC_SignalFreeTime_6T ((uint32_t)0x00000006) /*!< CEC 6.5 nominal data bit periods */
+#define CEC_SignalFreeTime_7T ((uint32_t)0x00000007) /*!< CEC 7.5 nominal data bit periods */
+
+#define IS_CEC_SIGNAL_FREE_TIME(TIME) (((TIME) == CEC_SignalFreeTime_Standard) || \
+ ((TIME) == CEC_SignalFreeTime_1T)|| \
+ ((TIME) == CEC_SignalFreeTime_2T)|| \
+ ((TIME) == CEC_SignalFreeTime_3T)|| \
+ ((TIME) == CEC_SignalFreeTime_4T)|| \
+ ((TIME) == CEC_SignalFreeTime_5T)|| \
+ ((TIME) == CEC_SignalFreeTime_6T)|| \
+ ((TIME) == CEC_SignalFreeTime_7T))
+/**
+ * @}
+ */
+
+/** @defgroup CEC_RxTolerance
+ * @{
+ */
+#define CEC_RxTolerance_Standard ((uint32_t)0x00000000) /*!< Standard Tolerance Margin */
+#define CEC_RxTolerance_Extended CEC_CFGR_RXTOL /*!< Extended Tolerance Margin */
+
+#define IS_CEC_RX_TOLERANCE(TOLERANCE) (((TOLERANCE) == CEC_RxTolerance_Standard) || \
+ ((TOLERANCE) == CEC_RxTolerance_Extended))
+/**
+ * @}
+ */
+
+/** @defgroup CEC_Stop_Reception
+ * @{
+ */
+#define CEC_StopReception_Off ((uint32_t)0x00000000) /*!< No RX Stop on bit Rising Error (BRE) */
+#define CEC_StopReception_On CEC_CFGR_BRESTP /*!< RX Stop on bit Rising Error (BRE) */
+
+#define IS_CEC_STOP_RECEPTION(RECEPTION) (((RECEPTION) == CEC_StopReception_On) || \
+ ((RECEPTION) == CEC_StopReception_Off))
+/**
+ * @}
+ */
+
+/** @defgroup CEC_Bit_Rising_Error_Generation
+ * @{
+ */
+#define CEC_BitRisingError_Off ((uint32_t)0x00000000) /*!< Bit Rising Error generation turned Off */
+#define CEC_BitRisingError_On CEC_CFGR_BREGEN /*!< Bit Rising Error generation turned On */
+
+#define IS_CEC_BIT_RISING_ERROR(ERROR) (((ERROR) == CEC_BitRisingError_Off) || \
+ ((ERROR) == CEC_BitRisingError_On))
+/**
+ * @}
+ */
+
+/** @defgroup CEC_Long_Bit_Error_Generation
+ * @{
+ */
+#define CEC_LongBitPeriodError_Off ((uint32_t)0x00000000) /*!< Long Bit Period Error generation turned Off */
+#define CEC_LongBitPeriodError_On CEC_CFGR_LREGEN /*!< Long Bit Period Error generation turned On */
+
+#define IS_CEC_LONG_BIT_PERIOD_ERROR(ERROR) (((ERROR) == CEC_LongBitPeriodError_Off) || \
+ ((ERROR) == CEC_LongBitPeriodError_On))
+/**
+ * @}
+ */
+
+/** @defgroup CEC_BDR_No_Gen
+ * @{
+ */
+
+#define CEC_BRDNoGen_Off ((uint32_t)0x00000000) /*!< Broadcast Bit Rising Error generation turned Off */
+#define CEC_BRDNoGen_On CEC_CFGR_BRDNOGEN /*!< Broadcast Bit Rising Error generation turned On */
+
+#define IS_CEC_BDR_NO_GEN_ERROR(ERROR) (((ERROR) == CEC_BRDNoGen_Off) || \
+ ((ERROR) == CEC_BRDNoGen_On))
+/**
+ * @}
+ */
+
+/** @defgroup CEC_SFT_Option
+ * @{
+ */
+#define CEC_SFTOption_Off ((uint32_t)0x00000000) /*!< SFT option turned Off */
+#define CEC_SFTOption_On CEC_CFGR_SFTOPT /*!< SFT option turned On */
+
+#define IS_CEC_SFT_OPTION(OPTION) (((OPTION) == CEC_SFTOption_Off) || \
+ ((OPTION) == CEC_SFTOption_On))
+/**
+ * @}
+ */
+
+/** @defgroup CEC_Own_Address
+ * @{
+ */
+#define IS_CEC_ADDRESS(ADDRESS) ((ADDRESS) < 0x10)
+
+/**
+ * @}
+ */
+
+/** @defgroup CEC_Interrupt_Configuration_definition
+ * @{
+ */
+#define CEC_IT_TXACKE CEC_IER_TXACKEIE
+#define CEC_IT_TXERR CEC_IER_TXERRIE
+#define CEC_IT_TXUDR CEC_IER_TXUDRIE
+#define CEC_IT_TXEND CEC_IER_TXENDIE
+#define CEC_IT_TXBR CEC_IER_TXBRIE
+#define CEC_IT_ARBLST CEC_IER_ARBLSTIE
+#define CEC_IT_RXACKE CEC_IER_RXACKEIE
+#define CEC_IT_LBPE CEC_IER_LBPEIE
+#define CEC_IT_SBPE CEC_IER_SBPEIE
+#define CEC_IT_BRE CEC_IER_BREIEIE
+#define CEC_IT_RXOVR CEC_IER_RXOVRIE
+#define CEC_IT_RXEND CEC_IER_RXENDIE
+#define CEC_IT_RXBR CEC_IER_RXBRIE
+
+#define IS_CEC_IT(IT) ((((IT) & (uint32_t)0xFFFFE000) == 0x00) && ((IT) != 0x00))
+
+#define IS_CEC_GET_IT(IT) (((IT) == CEC_IT_TXACKE) || \
+ ((IT) == CEC_IT_TXERR)|| \
+ ((IT) == CEC_IT_TXUDR)|| \
+ ((IT) == CEC_IT_TXEND)|| \
+ ((IT) == CEC_IT_TXBR)|| \
+ ((IT) == CEC_IT_ARBLST)|| \
+ ((IT) == CEC_IT_RXACKE)|| \
+ ((IT) == CEC_IT_LBPE)|| \
+ ((IT) == CEC_IT_SBPE)|| \
+ ((IT) == CEC_IT_BRE)|| \
+ ((IT) == CEC_IT_RXOVR)|| \
+ ((IT) == CEC_IT_RXEND)|| \
+ ((IT) == CEC_IT_RXBR))
+/**
+ * @}
+ */
+
+/** @defgroup CEC_ISR_register_flags_definition
+ * @{
+ */
+#define CEC_FLAG_TXACKE CEC_ISR_TXACKE
+#define CEC_FLAG_TXERR CEC_ISR_TXERR
+#define CEC_FLAG_TXUDR CEC_ISR_TXUDR
+#define CEC_FLAG_TXEND CEC_ISR_TXEND
+#define CEC_FLAG_TXBR CEC_ISR_TXBR
+#define CEC_FLAG_ARBLST CEC_ISR_ARBLST
+#define CEC_FLAG_RXACKE CEC_ISR_RXACKE
+#define CEC_FLAG_LBPE CEC_ISR_LBPE
+#define CEC_FLAG_SBPE CEC_ISR_SBPE
+#define CEC_FLAG_BRE CEC_ISR_BRE
+#define CEC_FLAG_RXOVR CEC_ISR_RXOVR
+#define CEC_FLAG_RXEND CEC_ISR_RXEND
+#define CEC_FLAG_RXBR CEC_ISR_RXBR
+
+#define IS_CEC_CLEAR_FLAG(FLAG) ((((FLAG) & (uint32_t)0xFFFFE000) == 0x00) && ((FLAG) != 0x00))
+
+#define IS_CEC_GET_FLAG(FLAG) (((FLAG) == CEC_FLAG_TXACKE) || \
+ ((FLAG) == CEC_FLAG_TXERR)|| \
+ ((FLAG) == CEC_FLAG_TXUDR)|| \
+ ((FLAG) == CEC_FLAG_TXEND)|| \
+ ((FLAG) == CEC_FLAG_TXBR)|| \
+ ((FLAG) == CEC_FLAG_ARBLST)|| \
+ ((FLAG) == CEC_FLAG_RXACKE)|| \
+ ((FLAG) == CEC_FLAG_LBPE)|| \
+ ((FLAG) == CEC_FLAG_SBPE)|| \
+ ((FLAG) == CEC_FLAG_BRE)|| \
+ ((FLAG) == CEC_FLAG_RXOVR)|| \
+ ((FLAG) == CEC_FLAG_RXEND)|| \
+ ((FLAG) == CEC_FLAG_RXBR))
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+
+/* Function used to set the CEC configuration to the default reset state *****/
+void CEC_DeInit(void);
+
+/* CEC_Initialization and Configuration functions *****************************/
+void CEC_Init(CEC_InitTypeDef* CEC_InitStruct);
+void CEC_StructInit(CEC_InitTypeDef* CEC_InitStruct);
+void CEC_Cmd(FunctionalState NewState);
+void CEC_ListenModeCmd(FunctionalState NewState);
+void CEC_OwnAddressConfig(uint8_t CEC_OwnAddress);
+void CEC_OwnAddressClear(void);
+
+/* CEC_Data transfers functions ***********************************************/
+void CEC_SendData(uint8_t Data);
+uint8_t CEC_ReceiveData(void);
+void CEC_StartOfMessage(void);
+void CEC_EndOfMessage(void);
+
+/* CEC_Interrupts and flags management functions ******************************/
+void CEC_ITConfig(uint16_t CEC_IT, FunctionalState NewState);
+FlagStatus CEC_GetFlagStatus(uint16_t CEC_FLAG);
+void CEC_ClearFlag(uint32_t CEC_FLAG);
+ITStatus CEC_GetITStatus(uint16_t CEC_IT);
+void CEC_ClearITPendingBit(uint16_t CEC_IT);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F0XX_CEC_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_comp.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_comp.h
new file mode 100644
index 00000000..12d1493b
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_comp.h
@@ -0,0 +1,245 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_comp.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the COMP firmware
+ * library, applicable only for STM32F051 and STM32F072 devices.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_COMP_H
+#define __STM32F0XX_COMP_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup COMP
+ * @{
+ */
+
+/* Exported types ------------------------------------------------------------*/
+
+/**
+ * @brief COMP Init structure definition
+ */
+
+typedef struct
+{
+
+ uint32_t COMP_InvertingInput; /*!< Selects the inverting input of the comparator.
+ This parameter can be a value of @ref COMP_InvertingInput */
+
+ uint32_t COMP_Output; /*!< Selects the output redirection of the comparator.
+ This parameter can be a value of @ref COMP_Output */
+
+ uint32_t COMP_OutputPol; /*!< Selects the output polarity of the comparator.
+ This parameter can be a value of @ref COMP_OutputPolarity */
+
+ uint32_t COMP_Hysteresis; /*!< Selects the hysteresis voltage of the comparator.
+ This parameter can be a value of @ref COMP_Hysteresis */
+
+ uint32_t COMP_Mode; /*!< Selects the operating mode of the comparator
+ and allows to adjust the speed/consumption.
+ This parameter can be a value of @ref COMP_Mode */
+
+}COMP_InitTypeDef;
+
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup COMP_Exported_Constants
+ * @{
+ */
+
+/** @defgroup COMP_Selection
+ * @{
+ */
+
+#define COMP_Selection_COMP1 ((uint32_t)0x00000000) /*!< COMP1 Selection */
+#define COMP_Selection_COMP2 ((uint32_t)0x00000010) /*!< COMP2 Selection */
+
+#define IS_COMP_ALL_PERIPH(PERIPH) (((PERIPH) == COMP_Selection_COMP1) || \
+ ((PERIPH) == COMP_Selection_COMP2))
+
+/**
+ * @}
+ */
+
+/** @defgroup COMP_InvertingInput
+ * @{
+ */
+
+#define COMP_InvertingInput_1_4VREFINT ((uint32_t)0x00000000) /*!< 1/4 VREFINT connected to comparator inverting input */
+#define COMP_InvertingInput_1_2VREFINT COMP_CSR_COMP1INSEL_0 /*!< 1/2 VREFINT connected to comparator inverting input */
+#define COMP_InvertingInput_3_4VREFINT COMP_CSR_COMP1INSEL_1 /*!< 3/4 VREFINT connected to comparator inverting input */
+#define COMP_InvertingInput_VREFINT ((uint32_t)0x00000030) /*!< VREFINT connected to comparator inverting input */
+#define COMP_InvertingInput_DAC1 COMP_CSR_COMP1INSEL_2 /*!< DAC1_OUT (PA4) connected to comparator inverting input */
+#define COMP_InvertingInput_DAC2 ((uint32_t)0x00000050) /*!< DAC2_OUT (PA5) connected to comparator inverting input, applicable only for STM32F072 devices */
+#define COMP_InvertingInput_IO ((uint32_t)0x00000060) /*!< I/O (PA0 for COMP1 and PA2 for COMP2) connected to comparator inverting input */
+
+#define IS_COMP_INVERTING_INPUT(INPUT) (((INPUT) == COMP_InvertingInput_1_4VREFINT) || \
+ ((INPUT) == COMP_InvertingInput_1_2VREFINT) || \
+ ((INPUT) == COMP_InvertingInput_3_4VREFINT) || \
+ ((INPUT) == COMP_InvertingInput_VREFINT) || \
+ ((INPUT) == COMP_InvertingInput_DAC1) || \
+ ((INPUT) == COMP_InvertingInput_DAC2) || \
+ ((INPUT) == COMP_InvertingInput_1_4VREFINT) || \
+ ((INPUT) == COMP_InvertingInput_IO))
+/**
+ * @}
+ */
+
+/** @defgroup COMP_Output
+ * @{
+ */
+
+#define COMP_Output_None ((uint32_t)0x00000000) /*!< COMP output isn't connected to other peripherals */
+#define COMP_Output_TIM1BKIN COMP_CSR_COMP1OUTSEL_0 /*!< COMP output connected to TIM1 Break Input (BKIN) */
+#define COMP_Output_TIM1IC1 COMP_CSR_COMP1OUTSEL_1 /*!< COMP output connected to TIM1 Input Capture 1 */
+#define COMP_Output_TIM1OCREFCLR ((uint32_t)0x00000300) /*!< COMP output connected to TIM1 OCREF Clear */
+#define COMP_Output_TIM2IC4 COMP_CSR_COMP1OUTSEL_2 /*!< COMP output connected to TIM2 Input Capture 4 */
+#define COMP_Output_TIM2OCREFCLR ((uint32_t)0x00000500) /*!< COMP output connected to TIM2 OCREF Clear */
+#define COMP_Output_TIM3IC1 ((uint32_t)0x00000600) /*!< COMP output connected to TIM3 Input Capture 1 */
+#define COMP_Output_TIM3OCREFCLR COMP_CSR_COMP1OUTSEL /*!< COMP output connected to TIM3 OCREF Clear */
+
+
+#define IS_COMP_OUTPUT(OUTPUT) (((OUTPUT) == COMP_Output_None) || \
+ ((OUTPUT) == COMP_Output_TIM1BKIN) || \
+ ((OUTPUT) == COMP_Output_TIM1IC1) || \
+ ((OUTPUT) == COMP_Output_TIM1OCREFCLR) || \
+ ((OUTPUT) == COMP_Output_TIM2IC4) || \
+ ((OUTPUT) == COMP_Output_TIM2OCREFCLR) || \
+ ((OUTPUT) == COMP_Output_TIM3IC1) || \
+ ((OUTPUT) == COMP_Output_TIM3OCREFCLR))
+/**
+ * @}
+ */
+
+/** @defgroup COMP_OutputPolarity
+ * @{
+ */
+#define COMP_OutputPol_NonInverted ((uint32_t)0x00000000) /*!< COMP output on GPIO isn't inverted */
+#define COMP_OutputPol_Inverted COMP_CSR_COMP1POL /*!< COMP output on GPIO is inverted */
+
+#define IS_COMP_OUTPUT_POL(POL) (((POL) == COMP_OutputPol_NonInverted) || \
+ ((POL) == COMP_OutputPol_Inverted))
+
+/**
+ * @}
+ */
+
+/** @defgroup COMP_Hysteresis
+ * @{
+ */
+/* Please refer to the electrical characteristics in the device datasheet for
+ the hysteresis level */
+#define COMP_Hysteresis_No 0x00000000 /*!< No hysteresis */
+#define COMP_Hysteresis_Low COMP_CSR_COMP1HYST_0 /*!< Hysteresis level low */
+#define COMP_Hysteresis_Medium COMP_CSR_COMP1HYST_1 /*!< Hysteresis level medium */
+#define COMP_Hysteresis_High COMP_CSR_COMP1HYST /*!< Hysteresis level high */
+
+#define IS_COMP_HYSTERESIS(HYSTERESIS) (((HYSTERESIS) == COMP_Hysteresis_No) || \
+ ((HYSTERESIS) == COMP_Hysteresis_Low) || \
+ ((HYSTERESIS) == COMP_Hysteresis_Medium) || \
+ ((HYSTERESIS) == COMP_Hysteresis_High))
+/**
+ * @}
+ */
+
+/** @defgroup COMP_Mode
+ * @{
+ */
+/* Please refer to the electrical characteristics in the device datasheet for
+ the power consumption values */
+#define COMP_Mode_HighSpeed 0x00000000 /*!< High Speed */
+#define COMP_Mode_MediumSpeed COMP_CSR_COMP1MODE_0 /*!< Medium Speed */
+#define COMP_Mode_LowPower COMP_CSR_COMP1MODE_1 /*!< Low power mode */
+#define COMP_Mode_UltraLowPower COMP_CSR_COMP1MODE /*!< Ultra-low power mode */
+
+#define IS_COMP_MODE(MODE) (((MODE) == COMP_Mode_UltraLowPower) || \
+ ((MODE) == COMP_Mode_LowPower) || \
+ ((MODE) == COMP_Mode_MediumSpeed) || \
+ ((MODE) == COMP_Mode_HighSpeed))
+/**
+ * @}
+ */
+
+/** @defgroup COMP_OutputLevel
+ * @{
+ */
+/* When output polarity is not inverted, comparator output is high when
+ the non-inverting input is at a higher voltage than the inverting input */
+#define COMP_OutputLevel_High COMP_CSR_COMP1OUT
+/* When output polarity is not inverted, comparator output is low when
+ the non-inverting input is at a lower voltage than the inverting input*/
+#define COMP_OutputLevel_Low ((uint32_t)0x00000000)
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+
+/* Function used to set the COMP configuration to the default reset state ****/
+void COMP_DeInit(void);
+
+/* Initialization and Configuration functions *********************************/
+void COMP_Init(uint32_t COMP_Selection, COMP_InitTypeDef* COMP_InitStruct);
+void COMP_StructInit(COMP_InitTypeDef* COMP_InitStruct);
+void COMP_Cmd(uint32_t COMP_Selection, FunctionalState NewState);
+void COMP_SwitchCmd(FunctionalState NewState);
+uint32_t COMP_GetOutputLevel(uint32_t COMP_Selection);
+
+/* Window mode control function ***********************************************/
+void COMP_WindowCmd(FunctionalState NewState);
+
+/* COMP configuration locking function ****************************************/
+void COMP_LockConfig(uint32_t COMP_Selection);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*__STM32F0XX_COMP_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_crc.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_crc.h
new file mode 100644
index 00000000..e639df63
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_crc.h
@@ -0,0 +1,122 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_crc.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the CRC firmware
+ * library.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_CRC_H
+#define __STM32F0XX_CRC_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/*!< Includes ----------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup CRC
+ * @{
+ */
+
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup CRC_ReverseInputData
+ * @{
+ */
+#define CRC_ReverseInputData_No ((uint32_t)0x00000000) /*!< No reverse operation of Input Data */
+#define CRC_ReverseInputData_8bits CRC_CR_REV_IN_0 /*!< Reverse operation of Input Data on 8 bits */
+#define CRC_ReverseInputData_16bits CRC_CR_REV_IN_1 /*!< Reverse operation of Input Data on 16 bits */
+#define CRC_ReverseInputData_32bits CRC_CR_REV_IN /*!< Reverse operation of Input Data on 32 bits */
+
+#define IS_CRC_REVERSE_INPUT_DATA(DATA) (((DATA) == CRC_ReverseInputData_No) || \
+ ((DATA) == CRC_ReverseInputData_8bits) || \
+ ((DATA) == CRC_ReverseInputData_16bits) || \
+ ((DATA) == CRC_ReverseInputData_32bits))
+
+/**
+ * @}
+ */
+
+/** @defgroup CRC_PolynomialSize
+ * @brief Only applicable for STM32F042 and STM32F072 devices
+ * @{
+ */
+#define CRC_PolSize_7 CRC_CR_POLSIZE /*!< 7-bit polynomial for CRC calculation */
+#define CRC_PolSize_8 CRC_CR_POLSIZE_1 /*!< 8-bit polynomial for CRC calculation */
+#define CRC_PolSize_16 CRC_CR_POLSIZE_0 /*!< 16-bit polynomial for CRC calculation */
+#define CRC_PolSize_32 ((uint32_t)0x00000000)/*!< 32-bit polynomial for CRC calculation */
+
+#define IS_CRC_POL_SIZE(SIZE) (((SIZE) == CRC_PolSize_7) || \
+ ((SIZE) == CRC_PolSize_8) || \
+ ((SIZE) == CRC_PolSize_16) || \
+ ((SIZE) == CRC_PolSize_32))
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+/* Configuration of the CRC computation unit **********************************/
+void CRC_DeInit(void);
+void CRC_ResetDR(void);
+void CRC_PolynomialSizeSelect(uint32_t CRC_PolSize); /*!< Only applicable for STM32F042 and STM32F072 devices */
+void CRC_ReverseInputDataSelect(uint32_t CRC_ReverseInputData);
+void CRC_ReverseOutputDataCmd(FunctionalState NewState);
+void CRC_SetInitRegister(uint32_t CRC_InitValue);
+void CRC_SetPolynomial(uint32_t CRC_Pol); /*!< Only applicable for STM32F042 and STM32F072 devices */
+
+/* CRC computation ************************************************************/
+uint32_t CRC_CalcCRC(uint32_t CRC_Data);
+uint32_t CRC_CalcCRC16bits(uint16_t CRC_Data); /*!< Only applicable for STM32F042 and STM32F072 devices */
+uint32_t CRC_CalcCRC8bits(uint8_t CRC_Data); /*!< Only applicable for STM32F042 and STM32F072 devices */
+uint32_t CRC_CalcBlockCRC(uint32_t pBuffer[], uint32_t BufferLength);
+uint32_t CRC_GetCRC(void);
+
+/* Independent register (IDR) access (write/read) *****************************/
+void CRC_SetIDRegister(uint8_t CRC_IDValue);
+uint8_t CRC_GetIDRegister(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F0XX_CRC_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_crs.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_crs.h
new file mode 100644
index 00000000..ed63e981
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_crs.h
@@ -0,0 +1,183 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_crs.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the CRS firmware
+ * library, applicable only for STM32F042 and STM32F072 devices.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_CRS_H
+#define __STM32F0XX_CRS_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/*!< Includes ----------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup CRS
+ * @{
+ */
+
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup CRS_Interrupt_Sources
+ * @{
+ */
+#define CRS_IT_SYNCOK CRS_ISR_SYNCOKF /*!< SYNC event OK */
+#define CRS_IT_SYNCWARN CRS_ISR_SYNCWARNF /*!< SYNC warning */
+#define CRS_IT_ERR CRS_ISR_ERRF /*!< error */
+#define CRS_IT_ESYNC CRS_ISR_ESYNCF /*!< Expected SYNC */
+#define CRS_IT_TRIMOVF CRS_ISR_TRIMOVF /*!< Trimming overflow or underflow */
+#define CRS_IT_SYNCERR CRS_ISR_SYNCERR /*!< SYNC error */
+#define CRS_IT_SYNCMISS CRS_ISR_SYNCMISS /*!< SYNC missed*/
+
+#define IS_CRS_IT(IT) (((IT) == CRS_IT_SYNCOK) || ((IT) == CRS_IT_SYNCWARN) || \
+ ((IT) == CRS_IT_ERR) || ((IT) == CRS_IT_ESYNC))
+
+#define IS_CRS_GET_IT(IT) (((IT) == CRS_IT_SYNCOK) || ((IT) == CRS_IT_SYNCWARN) || \
+ ((IT) == CRS_IT_ERR) || ((IT) == CRS_IT_ESYNC) || \
+ ((IT) == CRS_IT_TRIMOVF) || ((IT) == CRS_IT_SYNCERR) || \
+ ((IT) == CRS_IT_SYNCMISS))
+
+#define IS_CRS_CLEAR_IT(IT) ((IT) != 0x00)
+
+/**
+ * @}
+ */
+
+/** @defgroup CRS_Flags
+ * @{
+ */
+#define CRS_FLAG_SYNCOK CRS_ISR_SYNCOKF /*!< SYNC event OK */
+#define CRS_FLAG_SYNCWARN CRS_ISR_SYNCWARNF /*!< SYNC warning */
+#define CRS_FLAG_ERR CRS_ISR_ERRF /*!< error */
+#define CRS_FLAG_ESYNC CRS_ISR_ESYNCF /*!< Expected SYNC */
+#define CRS_FLAG_TRIMOVF CRS_ISR_TRIMOVF /*!< Trimming overflow or underflow */
+#define CRS_FLAG_SYNCERR CRS_ISR_SYNCERR /*!< SYNC error */
+#define CRS_FLAG_SYNCMISS CRS_ISR_SYNCMISS /*!< SYNC missed*/
+
+#define IS_CRS_FLAG(FLAG) (((FLAG) == CRS_FLAG_SYNCOK) || ((FLAG) == CRS_FLAG_SYNCWARN) || \
+ ((FLAG) == CRS_FLAG_ERR) || ((FLAG) == CRS_FLAG_ESYNC) || \
+ ((FLAG) == CRS_FLAG_TRIMOVF) || ((FLAG) == CRS_FLAG_SYNCERR) || \
+ ((FLAG) == CRS_FLAG_SYNCMISS))
+
+/**
+ * @}
+ */
+
+/** @defgroup CRS_Synchro_Source
+ * @{
+ */
+#define CRS_SYNCSource_GPIO ((uint32_t)0x00) /*!< Synchro Signal soucre GPIO */
+#define CRS_SYNCSource_LSE CRS_CFGR_SYNCSRC_0 /*!< Synchro Signal source LSE */
+#define CRS_SYNCSource_USB CRS_CFGR_SYNCSRC_1 /*!< Synchro Signal source USB SOF */
+
+#define IS_CRS_SYNC_SOURCE(SOURCE) (((SOURCE) == CRS_SYNCSource_GPIO) || \
+ ((SOURCE) == CRS_SYNCSource_LSE) ||\
+ ((SOURCE) == CRS_SYNCSource_USB))
+/**
+ * @}
+ */
+
+/** @defgroup CRS_SynchroDivider
+ * @{
+ */
+#define CRS_SYNC_Div1 ((uint32_t)0x00) /*!< Synchro Signal not divided */
+#define CRS_SYNC_Div2 CRS_CFGR_SYNCDIV_0 /*!< Synchro Signal divided by 2 */
+#define CRS_SYNC_Div4 CRS_CFGR_SYNCDIV_1 /*!< Synchro Signal divided by 4 */
+#define CRS_SYNC_Div8 (CRS_CFGR_SYNCDIV_1 | CRS_CFGR_SYNCDIV_0) /*!< Synchro Signal divided by 8 */
+#define CRS_SYNC_Div16 CRS_CFGR_SYNCDIV_2 /*!< Synchro Signal divided by 16 */
+#define CRS_SYNC_Div32 (CRS_CFGR_SYNCDIV_2 | CRS_CFGR_SYNCDIV_0) /*!< Synchro Signal divided by 32 */
+#define CRS_SYNC_Div64 (CRS_CFGR_SYNCDIV_2 | CRS_CFGR_SYNCDIV_1) /*!< Synchro Signal divided by 64 */
+#define CRS_SYNC_Div128 CRS_CFGR_SYNCDIV /*!< Synchro Signal divided by 128 */
+
+#define IS_CRS_SYNC_DIV(DIV) (((DIV) == CRS_SYNC_Div1) || ((DIV) == CRS_SYNC_Div2) ||\
+ ((DIV) == CRS_SYNC_Div4) || ((DIV) == CRS_SYNC_Div8) || \
+ ((DIV) == CRS_SYNC_Div16) || ((DIV) == CRS_SYNC_Div32) || \
+ ((DIV) == CRS_SYNC_Div64) || ((DIV) == CRS_SYNC_Div128))
+/**
+ * @}
+ */
+
+/** @defgroup CRS_SynchroPolarity
+ * @{
+ */
+#define CRS_SYNCPolarity_Rising ((uint32_t)0x00) /*!< Synchro Active on rising edge */
+#define CRS_SYNCPolarity_Falling CRS_CFGR_SYNCPOL /*!< Synchro Active on falling edge */
+
+#define IS_CRS_SYNC_POLARITY(POLARITY) (((POLARITY) == CRS_SYNCPolarity_Rising) || \
+ ((POLARITY) == CRS_SYNCPolarity_Falling))
+/**
+ * @}
+ */
+
+
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+/* Configuration of the CRS **********************************/
+void CRS_DeInit(void);
+void CRS_AdjustHSI48CalibrationValue(uint8_t CRS_HSI48CalibrationValue);
+void CRS_FrequencyErrorCounterCmd(FunctionalState NewState);
+void CRS_AutomaticCalibrationCmd(FunctionalState NewState);
+void CRS_SoftwareSynchronizationGenerate(void);
+void CRS_FrequencyErrorCounterReload(uint32_t CRS_ReloadValue);
+void CRS_FrequencyErrorLimitConfig(uint8_t CRS_ErrorLimitValue);
+void CRS_SynchronizationPrescalerConfig(uint32_t CRS_Prescaler);
+void CRS_SynchronizationSourceConfig(uint32_t CRS_Source);
+void CRS_SynchronizationPolarityConfig(uint32_t CRS_Polarity);
+uint32_t CRS_GetReloadValue(void);
+uint32_t CRS_GetHSI48CalibrationValue(void);
+uint32_t CRS_GetFrequencyErrorValue(void);
+uint32_t CRS_GetFrequencyErrorDirection(void);
+
+/* Interrupts and flags management functions **********************************/
+void CRS_ITConfig(uint32_t CRS_IT, FunctionalState NewState);
+FlagStatus CRS_GetFlagStatus(uint32_t CRS_FLAG);
+void CRS_ClearFlag(uint32_t CRS_FLAG);
+ITStatus CRS_GetITStatus(uint32_t CRS_IT);
+void CRS_ClearITPendingBit(uint32_t CRS_IT);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F0XX_CRS_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_dac.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_dac.h
new file mode 100644
index 00000000..75896b45
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_dac.h
@@ -0,0 +1,312 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_dac.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the DAC firmware
+ * library, applicable only for STM32F051 and STM32F072 devices.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_DAC_H
+#define __STM32F0XX_DAC_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup DAC
+ * @{
+ */
+
+/* Exported types ------------------------------------------------------------*/
+
+/**
+ * @brief DAC Init structure definition
+ */
+
+typedef struct
+{
+ uint32_t DAC_Trigger; /*!< Specifies the external trigger for the selected DAC channel.
+ This parameter can be a value of @ref DAC_trigger_selection */
+
+ uint32_t DAC_WaveGeneration; /*!< Specifies whether DAC channel noise waves or triangle waves
+ are generated, or whether no wave is generated.
+ This parameter can be a value of @ref DAC_wave_generation
+ This parameter is only applicable for STM32F072 devices */
+
+ uint32_t DAC_LFSRUnmask_TriangleAmplitude; /*!< Specifies the LFSR mask for noise wave generation or
+ the maximum amplitude triangle generation for the DAC channel.
+ This parameter can be a value of @ref DAC_lfsrunmask_triangleamplitude
+ This parameter is only applicable for STM32F072 devices */
+
+ uint32_t DAC_OutputBuffer; /*!< Specifies whether the DAC channel output buffer is enabled or disabled.
+ This parameter can be a value of @ref DAC_output_buffer */
+}DAC_InitTypeDef;
+
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup DAC_Exported_Constants
+ * @{
+ */
+
+/** @defgroup DAC_Trigger
+ * @{
+ */
+
+#define DAC_Trigger_None ((uint32_t)0x00000000) /*!< Conversion is automatic once the DAC1_DHRxxxx register
+ has been loaded, and not by external trigger */
+#define DAC_Trigger_T6_TRGO ((uint32_t)0x00000004) /*!< TIM6 TRGO selected as external conversion trigger for DAC channel1 */
+#define DAC_Trigger_T3_TRGO ((uint32_t)0x0000000C) /*!< TIM3 TRGO selected as external conversion trigger for DAC channel1 */
+#define DAC_Trigger_T7_TRGO ((uint32_t)0x00000014) /*!< TIM7 TRGO selected as external conversion trigger for DAC channel1,
+ applicable only for STM32F072 devices */
+#define DAC_Trigger_T15_TRGO ((uint32_t)0x0000001C) /*!< TIM15 TRGO selected as external conversion trigger for DAC channel1 */
+#define DAC_Trigger_T2_TRGO ((uint32_t)0x00000024) /*!< TIM2 TRGO selected as external conversion trigger for DAC channel1 */
+#define DAC_Trigger_Ext_IT9 ((uint32_t)0x00000034) /*!< EXTI Line9 event selected as external conversion trigger for DAC channels */
+#define DAC_Trigger_Software ((uint32_t)0x0000003C) /*!< Conversion started by software trigger for DAC channels */
+
+#define IS_DAC_TRIGGER(TRIGGER) (((TRIGGER) == DAC_Trigger_None) || \
+ ((TRIGGER) == DAC_Trigger_T6_TRGO) || \
+ ((TRIGGER) == DAC_Trigger_T7_TRGO) || \
+ ((TRIGGER) == DAC_Trigger_T3_TRGO) || \
+ ((TRIGGER) == DAC_Trigger_T15_TRGO) || \
+ ((TRIGGER) == DAC_Trigger_T2_TRGO) || \
+ ((TRIGGER) == DAC_Trigger_Ext_IT9) || \
+ ((TRIGGER) == DAC_Trigger_Software))
+
+/**
+ * @}
+ */
+
+/** @defgroup DAC_wave_generation
+ * @brief This parameters are only applicable for STM32F072 devices.
+ * @{
+ */
+
+#define DAC_WaveGeneration_None ((uint32_t)0x00000000)
+#define DAC_WaveGeneration_Noise ((uint32_t)0x00000040)
+#define DAC_WaveGeneration_Triangle ((uint32_t)0x00000080)
+#define IS_DAC_GENERATE_WAVE(WAVE) (((WAVE) == DAC_WaveGeneration_None) || \
+ ((WAVE) == DAC_WaveGeneration_Noise) || \
+ ((WAVE) == DAC_WaveGeneration_Triangle))
+/**
+ * @}
+ */
+
+/** @defgroup DAC_lfsrunmask_triangleamplitude
+ * @brief These parameters are only applicable for STM32F072 devices.
+ * @{
+ */
+
+#define DAC_LFSRUnmask_Bit0 ((uint32_t)0x00000000) /*!< Unmask DAC channel LFSR bit0 for noise wave generation */
+#define DAC_LFSRUnmask_Bits1_0 ((uint32_t)0x00000100) /*!< Unmask DAC channel LFSR bit[1:0] for noise wave generation */
+#define DAC_LFSRUnmask_Bits2_0 ((uint32_t)0x00000200) /*!< Unmask DAC channel LFSR bit[2:0] for noise wave generation */
+#define DAC_LFSRUnmask_Bits3_0 ((uint32_t)0x00000300) /*!< Unmask DAC channel LFSR bit[3:0] for noise wave generation */
+#define DAC_LFSRUnmask_Bits4_0 ((uint32_t)0x00000400) /*!< Unmask DAC channel LFSR bit[4:0] for noise wave generation */
+#define DAC_LFSRUnmask_Bits5_0 ((uint32_t)0x00000500) /*!< Unmask DAC channel LFSR bit[5:0] for noise wave generation */
+#define DAC_LFSRUnmask_Bits6_0 ((uint32_t)0x00000600) /*!< Unmask DAC channel LFSR bit[6:0] for noise wave generation */
+#define DAC_LFSRUnmask_Bits7_0 ((uint32_t)0x00000700) /*!< Unmask DAC channel LFSR bit[7:0] for noise wave generation */
+#define DAC_LFSRUnmask_Bits8_0 ((uint32_t)0x00000800) /*!< Unmask DAC channel LFSR bit[8:0] for noise wave generation */
+#define DAC_LFSRUnmask_Bits9_0 ((uint32_t)0x00000900) /*!< Unmask DAC channel LFSR bit[9:0] for noise wave generation */
+#define DAC_LFSRUnmask_Bits10_0 ((uint32_t)0x00000A00) /*!< Unmask DAC channel LFSR bit[10:0] for noise wave generation */
+#define DAC_LFSRUnmask_Bits11_0 ((uint32_t)0x00000B00) /*!< Unmask DAC channel LFSR bit[11:0] for noise wave generation */
+#define DAC_TriangleAmplitude_1 ((uint32_t)0x00000000) /*!< Select max triangle amplitude of 1 */
+#define DAC_TriangleAmplitude_3 ((uint32_t)0x00000100) /*!< Select max triangle amplitude of 3 */
+#define DAC_TriangleAmplitude_7 ((uint32_t)0x00000200) /*!< Select max triangle amplitude of 7 */
+#define DAC_TriangleAmplitude_15 ((uint32_t)0x00000300) /*!< Select max triangle amplitude of 15 */
+#define DAC_TriangleAmplitude_31 ((uint32_t)0x00000400) /*!< Select max triangle amplitude of 31 */
+#define DAC_TriangleAmplitude_63 ((uint32_t)0x00000500) /*!< Select max triangle amplitude of 63 */
+#define DAC_TriangleAmplitude_127 ((uint32_t)0x00000600) /*!< Select max triangle amplitude of 127 */
+#define DAC_TriangleAmplitude_255 ((uint32_t)0x00000700) /*!< Select max triangle amplitude of 255 */
+#define DAC_TriangleAmplitude_511 ((uint32_t)0x00000800) /*!< Select max triangle amplitude of 511 */
+#define DAC_TriangleAmplitude_1023 ((uint32_t)0x00000900) /*!< Select max triangle amplitude of 1023 */
+#define DAC_TriangleAmplitude_2047 ((uint32_t)0x00000A00) /*!< Select max triangle amplitude of 2047 */
+#define DAC_TriangleAmplitude_4095 ((uint32_t)0x00000B00) /*!< Select max triangle amplitude of 4095 */
+
+#define IS_DAC_LFSR_UNMASK_TRIANGLE_AMPLITUDE(VALUE) (((VALUE) == DAC_LFSRUnmask_Bit0) || \
+ ((VALUE) == DAC_LFSRUnmask_Bits1_0) || \
+ ((VALUE) == DAC_LFSRUnmask_Bits2_0) || \
+ ((VALUE) == DAC_LFSRUnmask_Bits3_0) || \
+ ((VALUE) == DAC_LFSRUnmask_Bits4_0) || \
+ ((VALUE) == DAC_LFSRUnmask_Bits5_0) || \
+ ((VALUE) == DAC_LFSRUnmask_Bits6_0) || \
+ ((VALUE) == DAC_LFSRUnmask_Bits7_0) || \
+ ((VALUE) == DAC_LFSRUnmask_Bits8_0) || \
+ ((VALUE) == DAC_LFSRUnmask_Bits9_0) || \
+ ((VALUE) == DAC_LFSRUnmask_Bits10_0) || \
+ ((VALUE) == DAC_LFSRUnmask_Bits11_0) || \
+ ((VALUE) == DAC_TriangleAmplitude_1) || \
+ ((VALUE) == DAC_TriangleAmplitude_3) || \
+ ((VALUE) == DAC_TriangleAmplitude_7) || \
+ ((VALUE) == DAC_TriangleAmplitude_15) || \
+ ((VALUE) == DAC_TriangleAmplitude_31) || \
+ ((VALUE) == DAC_TriangleAmplitude_63) || \
+ ((VALUE) == DAC_TriangleAmplitude_127) || \
+ ((VALUE) == DAC_TriangleAmplitude_255) || \
+ ((VALUE) == DAC_TriangleAmplitude_511) || \
+ ((VALUE) == DAC_TriangleAmplitude_1023) || \
+ ((VALUE) == DAC_TriangleAmplitude_2047) || \
+ ((VALUE) == DAC_TriangleAmplitude_4095))
+/**
+ * @}
+ */
+
+/** @defgroup DAC_OutputBuffer
+ * @{
+ */
+
+#define DAC_OutputBuffer_Enable ((uint32_t)0x00000000)
+#define DAC_OutputBuffer_Disable DAC_CR_BOFF1
+#define IS_DAC_OUTPUT_BUFFER_STATE(STATE) (((STATE) == DAC_OutputBuffer_Enable) || \
+ ((STATE) == DAC_OutputBuffer_Disable))
+/**
+ * @}
+ */
+
+/** @defgroup DAC_Channel_selection
+ * @{
+ */
+
+#define DAC_Channel_1 ((uint32_t)0x00000000)
+#define DAC_Channel_2 ((uint32_t)0x00000010) /*!< Only applicable for STM32F072 devices */
+#define IS_DAC_CHANNEL(CHANNEL) (((CHANNEL) == DAC_Channel_1) || \
+ ((CHANNEL) == DAC_Channel_2))
+
+/**
+ * @}
+ */
+
+/** @defgroup DAC_data_alignment
+ * @{
+ */
+
+#define DAC_Align_12b_R ((uint32_t)0x00000000)
+#define DAC_Align_12b_L ((uint32_t)0x00000004)
+#define DAC_Align_8b_R ((uint32_t)0x00000008)
+#define IS_DAC_ALIGN(ALIGN) (((ALIGN) == DAC_Align_12b_R) || \
+ ((ALIGN) == DAC_Align_12b_L) || \
+ ((ALIGN) == DAC_Align_8b_R))
+/**
+ * @}
+ */
+
+/** @defgroup DAC_wave_generation
+ * @brief These parameters are only applicable for STM32F072 devices.
+ * @{
+ */
+
+#define DAC_Wave_Noise ((uint32_t)0x00000040)
+#define DAC_Wave_Triangle ((uint32_t)0x00000080)
+#define IS_DAC_WAVE(WAVE) (((WAVE) == DAC_Wave_Noise) || \
+ ((WAVE) == DAC_Wave_Triangle))
+/**
+ * @}
+ */
+
+/** @defgroup DAC_data
+ * @{
+ */
+
+#define IS_DAC_DATA(DATA) ((DATA) <= 0xFFF0)
+
+/**
+ * @}
+ */
+
+/** @defgroup DAC_interrupts_definition
+ * @{
+ */
+
+#define DAC_IT_DMAUDR DAC_SR_DMAUDR1
+#define IS_DAC_IT(IT) (((IT) == DAC_IT_DMAUDR))
+
+/**
+ * @}
+ */
+
+
+/** @defgroup DAC_flags_definition
+ * @{
+ */
+
+#define DAC_FLAG_DMAUDR DAC_SR_DMAUDR1
+
+#define IS_DAC_FLAG(FLAG) (((FLAG) == DAC_FLAG_DMAUDR))
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+
+/* Function used to set the DAC configuration to the default reset state *****/
+void DAC_DeInit(void);
+
+/* DAC channels configuration: trigger, output buffer, data format functions */
+void DAC_Init(uint32_t DAC_Channel, DAC_InitTypeDef* DAC_InitStruct);
+void DAC_StructInit(DAC_InitTypeDef* DAC_InitStruct);
+void DAC_Cmd(uint32_t DAC_Channel, FunctionalState NewState);
+void DAC_SoftwareTriggerCmd(uint32_t DAC_Channel, FunctionalState NewState);
+void DAC_DualSoftwareTriggerCmd(FunctionalState NewState); /*!< Only applicable for STM32F072 devices */
+void DAC_WaveGenerationCmd(uint32_t DAC_Channel, uint32_t DAC_Wave, FunctionalState NewState); /*!< Only applicable for STM32F072 devices */
+void DAC_SetChannel1Data(uint32_t DAC_Align, uint16_t Data);
+void DAC_SetChannel2Data(uint32_t DAC_Align, uint16_t Data); /*!< Only applicable for STM32F072 devices */
+void DAC_SetDualChannelData(uint32_t DAC_Align, uint16_t Data2, uint16_t Data1); /*!< Only applicable for STM32F072 devices */
+uint16_t DAC_GetDataOutputValue(uint32_t DAC_Channel);
+
+/* DMA management functions ***************************************************/
+void DAC_DMACmd(uint32_t DAC_Channel, FunctionalState NewState);
+
+/* Interrupts and flags management functions **********************************/
+void DAC_ITConfig(uint32_t DAC_Channel, uint32_t DAC_IT, FunctionalState NewState);
+FlagStatus DAC_GetFlagStatus(uint32_t DAC_Channel, uint32_t DAC_FLAG);
+void DAC_ClearFlag(uint32_t DAC_Channel, uint32_t DAC_FLAG);
+ITStatus DAC_GetITStatus(uint32_t DAC_Channel, uint32_t DAC_IT);
+void DAC_ClearITPendingBit(uint32_t DAC_Channel, uint32_t DAC_IT);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*__STM32F0XX_DAC_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_dbgmcu.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_dbgmcu.h
new file mode 100644
index 00000000..4ee2916f
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_dbgmcu.h
@@ -0,0 +1,107 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_dbgmcu.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the DBGMCU firmware
+ * library.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_DBGMCU_H
+#define __STM32F0XX_DBGMCU_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup DBGMCU
+ * @{
+ */
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+
+
+/** @defgroup DBGMCU_Exported_Constants
+ * @{
+ */
+
+#define DBGMCU_STOP DBGMCU_CR_DBG_STOP
+#define DBGMCU_STANDBY DBGMCU_CR_DBG_STANDBY
+#define IS_DBGMCU_PERIPH(PERIPH) ((((PERIPH) & 0xFFFFFFF9) == 0x00) && ((PERIPH) != 0x00))
+
+#define DBGMCU_TIM2_STOP DBGMCU_APB1_FZ_DBG_TIM2_STOP /*!< Not applicable for STM32F030 devices */
+#define DBGMCU_TIM3_STOP DBGMCU_APB1_FZ_DBG_TIM3_STOP
+#define DBGMCU_TIM6_STOP DBGMCU_APB1_FZ_DBG_TIM6_STOP
+#define DBGMCU_TIM7_STOP DBGMCU_APB1_FZ_DBG_TIM7_STOP /*!< Only applicable for STM32F072 devices */
+#define DBGMCU_TIM14_STOP DBGMCU_APB1_FZ_DBG_TIM14_STOP
+#define DBGMCU_RTC_STOP DBGMCU_APB1_FZ_DBG_RTC_STOP
+#define DBGMCU_WWDG_STOP DBGMCU_APB1_FZ_DBG_WWDG_STOP
+#define DBGMCU_IWDG_STOP DBGMCU_APB1_FZ_DBG_IWDG_STOP
+#define DBGMCU_I2C1_SMBUS_TIMEOUT DBGMCU_APB1_FZ_DBG_I2C1_SMBUS_TIMEOUT
+#define DBGMCU_CAN1_STOP DBGMCU_APB1_FZ_DBG_CAN1_STOP /*!< Only applicable for STM32F042 and STM32F072 devices */
+#define IS_DBGMCU_APB1PERIPH(PERIPH) ((((PERIPH) & 0xFDDFE2CC) == 0x00) && ((PERIPH) != 0x00))
+
+#define DBGMCU_TIM1_STOP DBGMCU_APB2_FZ_DBG_TIM1_STOP
+#define DBGMCU_TIM15_STOP DBGMCU_APB2_FZ_DBG_TIM15_STOP
+#define DBGMCU_TIM16_STOP DBGMCU_APB2_FZ_DBG_TIM16_STOP
+#define DBGMCU_TIM17_STOP DBGMCU_APB2_FZ_DBG_TIM17_STOP
+#define IS_DBGMCU_APB2PERIPH(PERIPH) ((((PERIPH) & 0xFFF8F7FF) == 0x00) && ((PERIPH) != 0x00))
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+
+/* Device and Revision ID management functions ********************************/
+uint32_t DBGMCU_GetREVID(void);
+uint32_t DBGMCU_GetDEVID(void);
+
+/* Peripherals Configuration functions ****************************************/
+void DBGMCU_Config(uint32_t DBGMCU_Periph, FunctionalState NewState);
+void DBGMCU_APB1PeriphConfig(uint32_t DBGMCU_Periph, FunctionalState NewState);
+void DBGMCU_APB2PeriphConfig(uint32_t DBGMCU_Periph, FunctionalState NewState);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F0XX_DBGMCU_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_dma.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_dma.h
new file mode 100644
index 00000000..2c6492c7
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_dma.h
@@ -0,0 +1,804 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_dma.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the DMA firmware
+ * library.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_DMA_H
+#define __STM32F0XX_DMA_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup DMA
+ * @{
+ */
+/* Exported types ------------------------------------------------------------*/
+
+/**
+ * @brief DMA Init structures definition
+ */
+typedef struct
+{
+ uint32_t DMA_PeripheralBaseAddr; /*!< Specifies the peripheral base address for DMAy Channelx. */
+
+ uint32_t DMA_MemoryBaseAddr; /*!< Specifies the memory base address for DMAy Channelx. */
+
+ uint32_t DMA_DIR; /*!< Specifies if the peripheral is the source or destination.
+ This parameter can be a value of @ref DMA_data_transfer_direction */
+
+ uint32_t DMA_BufferSize; /*!< Specifies the buffer size, in data unit, of the specified Channel.
+ The data unit is equal to the configuration set in DMA_PeripheralDataSize
+ or DMA_MemoryDataSize members depending in the transfer direction */
+
+ uint32_t DMA_PeripheralInc; /*!< Specifies whether the Peripheral address register is incremented or not.
+ This parameter can be a value of @ref DMA_peripheral_incremented_mode */
+
+ uint32_t DMA_MemoryInc; /*!< Specifies whether the memory address register is incremented or not.
+ This parameter can be a value of @ref DMA_memory_incremented_mode */
+
+ uint32_t DMA_PeripheralDataSize; /*!< Specifies the Peripheral data width.
+ This parameter can be a value of @ref DMA_peripheral_data_size */
+
+ uint32_t DMA_MemoryDataSize; /*!< Specifies the Memory data width.
+ This parameter can be a value of @ref DMA_memory_data_size */
+
+ uint32_t DMA_Mode; /*!< Specifies the operation mode of the DMAy Channelx.
+ This parameter can be a value of @ref DMA_circular_normal_mode
+ @note: The circular buffer mode cannot be used if the memory-to-memory
+ data transfer is configured on the selected Channel */
+
+ uint32_t DMA_Priority; /*!< Specifies the software priority for the DMAy Channelx.
+ This parameter can be a value of @ref DMA_priority_level */
+
+ uint32_t DMA_M2M; /*!< Specifies if the DMAy Channelx will be used in memory-to-memory transfer.
+ This parameter can be a value of @ref DMA_memory_to_memory */
+}DMA_InitTypeDef;
+
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup DMA_Exported_Constants
+ * @{
+ */
+
+#define IS_DMA_ALL_PERIPH(PERIPH) (((PERIPH) == DMA1_Channel1) || \
+ ((PERIPH) == DMA1_Channel2) || \
+ ((PERIPH) == DMA1_Channel3) || \
+ ((PERIPH) == DMA1_Channel4) || \
+ ((PERIPH) == DMA1_Channel5) || \
+ ((PERIPH) == DMA1_Channel6) || \
+ ((PERIPH) == DMA1_Channel7) || \
+ ((PERIPH) == DMA2_Channel1) || \
+ ((PERIPH) == DMA2_Channel2) || \
+ ((PERIPH) == DMA2_Channel3) || \
+ ((PERIPH) == DMA2_Channel4) || \
+ ((PERIPH) == DMA2_Channel5))
+
+/** @defgroup DMA_data_transfer_direction
+ * @{
+ */
+
+#define DMA_DIR_PeripheralSRC ((uint32_t)0x00000000)
+#define DMA_DIR_PeripheralDST DMA_CCR_DIR
+
+#define IS_DMA_DIR(DIR) (((DIR) == DMA_DIR_PeripheralSRC) || \
+ ((DIR) == DMA_DIR_PeripheralDST))
+/**
+ * @}
+ */
+
+/** @defgroup DMA_peripheral_incremented_mode
+ * @{
+ */
+
+#define DMA_PeripheralInc_Disable ((uint32_t)0x00000000)
+#define DMA_PeripheralInc_Enable DMA_CCR_PINC
+
+#define IS_DMA_PERIPHERAL_INC_STATE(STATE) (((STATE) == DMA_PeripheralInc_Disable) || \
+ ((STATE) == DMA_PeripheralInc_Enable))
+/**
+ * @}
+ */
+
+/** @defgroup DMA_memory_incremented_mode
+ * @{
+ */
+
+#define DMA_MemoryInc_Disable ((uint32_t)0x00000000)
+#define DMA_MemoryInc_Enable DMA_CCR_MINC
+
+#define IS_DMA_MEMORY_INC_STATE(STATE) (((STATE) == DMA_MemoryInc_Disable) || \
+ ((STATE) == DMA_MemoryInc_Enable))
+/**
+ * @}
+ */
+
+/** @defgroup DMA_peripheral_data_size
+ * @{
+ */
+
+#define DMA_PeripheralDataSize_Byte ((uint32_t)0x00000000)
+#define DMA_PeripheralDataSize_HalfWord DMA_CCR_PSIZE_0
+#define DMA_PeripheralDataSize_Word DMA_CCR_PSIZE_1
+
+#define IS_DMA_PERIPHERAL_DATA_SIZE(SIZE) (((SIZE) == DMA_PeripheralDataSize_Byte) || \
+ ((SIZE) == DMA_PeripheralDataSize_HalfWord) || \
+ ((SIZE) == DMA_PeripheralDataSize_Word))
+/**
+ * @}
+ */
+
+/** @defgroup DMA_memory_data_size
+ * @{
+ */
+
+#define DMA_MemoryDataSize_Byte ((uint32_t)0x00000000)
+#define DMA_MemoryDataSize_HalfWord DMA_CCR_MSIZE_0
+#define DMA_MemoryDataSize_Word DMA_CCR_MSIZE_1
+
+#define IS_DMA_MEMORY_DATA_SIZE(SIZE) (((SIZE) == DMA_MemoryDataSize_Byte) || \
+ ((SIZE) == DMA_MemoryDataSize_HalfWord) || \
+ ((SIZE) == DMA_MemoryDataSize_Word))
+/**
+ * @}
+ */
+
+/** @defgroup DMA_circular_normal_mode
+ * @{
+ */
+
+#define DMA_Mode_Normal ((uint32_t)0x00000000)
+#define DMA_Mode_Circular DMA_CCR_CIRC
+
+#define IS_DMA_MODE(MODE) (((MODE) == DMA_Mode_Normal) || ((MODE) == DMA_Mode_Circular))
+/**
+ * @}
+ */
+
+/** @defgroup DMA_priority_level
+ * @{
+ */
+
+#define DMA_Priority_VeryHigh DMA_CCR_PL
+#define DMA_Priority_High DMA_CCR_PL_1
+#define DMA_Priority_Medium DMA_CCR_PL_0
+#define DMA_Priority_Low ((uint32_t)0x00000000)
+
+#define IS_DMA_PRIORITY(PRIORITY) (((PRIORITY) == DMA_Priority_VeryHigh) || \
+ ((PRIORITY) == DMA_Priority_High) || \
+ ((PRIORITY) == DMA_Priority_Medium) || \
+ ((PRIORITY) == DMA_Priority_Low))
+/**
+ * @}
+ */
+
+/** @defgroup DMA_memory_to_memory
+ * @{
+ */
+
+#define DMA_M2M_Disable ((uint32_t)0x00000000)
+#define DMA_M2M_Enable DMA_CCR_MEM2MEM
+
+#define IS_DMA_M2M_STATE(STATE) (((STATE) == DMA_M2M_Disable) || ((STATE) == DMA_M2M_Enable))
+
+/**
+ * @}
+ */
+
+/** @defgroup DMA_Remap_Config
+ * @{
+ */
+#define DMAx_CHANNEL1_RMP 0x00000000
+#define DMAx_CHANNEL2_RMP 0x10000000
+#define DMAx_CHANNEL3_RMP 0x20000000
+#define DMAx_CHANNEL4_RMP 0x30000000
+#define DMAx_CHANNEL5_RMP 0x40000000
+#define DMAx_CHANNEL6_RMP 0x50000000
+#define DMAx_CHANNEL7_RMP 0x60000000
+
+
+#define IS_DMA_ALL_LIST(LIST) (((LIST) == DMA1) || \
+ ((LIST) == DMA2))
+
+/****************** DMA1 remap bit field definition********************/
+/* DMA1 - Channel 1 */
+#define DMA1_CH1_DEFAULT (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR1_DEFAULT) /*!< Default remap position for DMA1 */
+#define DMA1_CH1_ADC (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR1_CH1_ADC) /*!< Remap ADC on DMA1 Channel 1*/
+#define DMA1_CH1_TIM17_CH1 (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR1_CH1_TIM17_CH1) /*!< Remap TIM17 channel 1 on DMA1 channel 1 */
+#define DMA1_CH1_TIM17_UP (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR1_CH1_TIM17_UP) /*!< Remap TIM17 up on DMA1 channel 1 */
+#define DMA1_CH1_USART1_RX (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR1_CH1_USART1_RX) /*!< Remap USART1 Rx on DMA1 channel 1 */
+#define DMA1_CH1_USART2_RX (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR1_CH1_USART2_RX) /*!< Remap USART2 Rx on DMA1 channel 1 */
+#define DMA1_CH1_USART3_RX (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR1_CH1_USART3_RX) /*!< Remap USART3 Rx on DMA1 channel 1 */
+#define DMA1_CH1_USART4_RX (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR1_CH1_USART4_RX) /*!< Remap USART4 Rx on DMA1 channel 1 */
+#define DMA1_CH1_USART5_RX (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR1_CH1_USART5_RX) /*!< Remap USART5 Rx on DMA1 channel 1 */
+#define DMA1_CH1_USART6_RX (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR1_CH1_USART6_RX) /*!< Remap USART6 Rx on DMA1 channel 1 */
+#define DMA1_CH1_USART7_RX (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR1_CH1_USART7_RX) /*!< Remap USART7 Rx on DMA1 channel 1 */
+#define DMA1_CH1_USART8_RX (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR1_CH1_USART8_RX) /*!< Remap USART8 Rx on DMA1 channel 1 */
+/* DMA1 - Channel 2 */
+#define DMA1_CH2_DEFAULT (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR1_DEFAULT) /*!< Default remap position for DMA1 */
+#define DMA1_CH2_ADC (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR1_CH2_ADC) /*!< Remap ADC on DMA1 channel 2 */
+#define DMA1_CH2_I2C1_TX (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR1_CH2_I2C1_TX) /*!< Remap I2C1 Tx on DMA1 channel 2 */
+#define DMA1_CH2_SPI1_RX (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR1_CH2_SPI_1RX) /*!< Remap SPI1 Rx on DMA1 channel 2 */
+#define DMA1_CH2_TIM1_CH1 (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR1_CH2_TIM1_CH1) /*!< Remap TIM1 channel 1 on DMA1 channel 2 */
+#define DMA1_CH2_TIM17_CH1 (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR1_CH2_TIM17_CH1) /*!< Remap TIM17 channel 1 on DMA1 channel 2 */
+#define DMA1_CH2_TIM17_UP (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR1_CH2_TIM17_UP) /*!< Remap TIM17 up on DMA1 channel 2 */
+#define DMA1_CH2_USART1_TX (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR1_CH2_USART1_TX) /*!< Remap USART1 Tx on DMA1 channel 2 */
+#define DMA1_CH2_USART2_TX (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR1_CH2_USART2_TX) /*!< Remap USART2 Tx on DMA1 channel 2 */
+#define DMA1_CH2_USART3_TX (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR1_CH2_USART3_TX) /*!< Remap USART3 Tx on DMA1 channel 2 */
+#define DMA1_CH2_USART4_TX (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR1_CH2_USART4_TX) /*!< Remap USART4 Tx on DMA1 channel 2 */
+#define DMA1_CH2_USART5_TX (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR1_CH2_USART5_TX) /*!< Remap USART5 Tx on DMA1 channel 2 */
+#define DMA1_CH2_USART6_TX (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR1_CH2_USART6_TX) /*!< Remap USART6 Tx on DMA1 channel 2 */
+#define DMA1_CH2_USART7_TX (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR1_CH2_USART7_TX) /*!< Remap USART7 Tx on DMA1 channel 2 */
+#define DMA1_CH2_USART8_TX (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR1_CH2_USART8_TX) /*!< Remap USART8 Tx on DMA1 channel 2 */
+/* DMA1 - Channel 3 */
+#define DMA1_CH3_DEFAULT (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR1_DEFAULT) /*!< Default remap position for DMAx */
+#define DMA1_CH3_TIM6_UP (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR1_CH3_TIM6_UP) /*!< Remap TIM6 up on DMA1 channel 3 */
+#define DMA1_CH3_DAC_CH1 (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR1_CH3_DAC_CH1) /*!< Remap DAC Channel 1on DMA1 channel 3 */
+#define DMA1_CH3_I2C1_RX (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR1_CH3_I2C1_RX) /*!< Remap I2C1 Rx on DMA1 channel 3 */
+#define DMA1_CH3_SPI1_TX (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR1_CH3_SPI1_TX) /*!< Remap SPI1 Tx on DMA1 channel 3 */
+#define DMA1_CH3_TIM1_CH2 (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR1_CH3_TIM1_CH2) /*!< Remap TIM1 channel 2 on DMA1 channel 3 */
+#define DMA1_CH3_TIM2_CH2 (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR1_CH3_TIM2_CH2) /*!< Remap TIM2 channel 2 on DMA1 channel 3 */
+#define DMA1_CH3_TIM16_CH1 (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR1_CH3_TIM16_CH1) /*!< Remap TIM16 channel 1 on DMA1 channel 3 */
+#define DMA1_CH3_TIM16_UP (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR1_CH3_TIM16_UP) /*!< Remap TIM16 up on DMA1 channel 3 */
+#define DMA1_CH3_USART1_RX (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR1_CH3_USART1_RX) /*!< Remap USART1 Rx on DMA1 channel 3 */
+#define DMA1_CH3_USART2_RX (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR1_CH3_USART2_RX) /*!< Remap USART2 Rx on DMA1 channel 3 */
+#define DMA1_CH3_USART3_RX (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR1_CH3_USART3_RX) /*!< Remap USART3 Rx on DMA1 channel 3 */
+#define DMA1_CH3_USART4_RX (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR1_CH3_USART4_RX) /*!< Remap USART4 Rx on DMA1 channel 3 */
+#define DMA1_CH3_USART5_RX (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR1_CH3_USART5_RX) /*!< Remap USART5 Rx on DMA1 channel 3 */
+#define DMA1_CH3_USART6_RX (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR1_CH3_USART6_RX) /*!< Remap USART6 Rx on DMA1 channel 3 */
+#define DMA1_CH3_USART7_RX (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR1_CH3_USART7_RX) /*!< Remap USART7 Rx on DMA1 channel 3 */
+#define DMA1_CH3_USART8_RX (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR1_CH3_USART8_RX) /*!< Remap USART8 Rx on DMA1 channel 3 */
+/* DMA1 - Channel 4 */
+#define DMA1_CH4_DEFAULT (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR1_DEFAULT) /*!< Default remap position for DMA1 */
+#define DMA1_CH4_TIM7_UP (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR1_CH4_TIM7_UP) /*!< Remap TIM7 up on DMA1 channel 4 */
+#define DMA1_CH4_DAC_CH2 (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR1_CH4_DAC_CH2) /*!< Remap DAC Channel 2 on DMA1 channel 4 */
+#define DMA1_CH4_I2C2_TX (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR1_CH4_I2C2_TX) /*!< Remap I2C2 Tx on DMA1 channel 4 */
+#define DMA1_CH4_SPI2_RX (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR1_CH4_SPI2_RX) /*!< Remap SPI2 Rx on DMA1 channel 4 */
+#define DMA1_CH4_TIM2_CH4 (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR1_CH4_TIM2_CH4) /*!< Remap TIM2 channel 4 on DMA1 channel 4 */
+#define DMA1_CH4_TIM3_CH1 (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR1_CH4_TIM3_CH1) /*!< Remap TIM3 channel 1 on DMA1 channel 4 */
+#define DMA1_CH4_TIM3_TRIG (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR1_CH4_TIM3_TRIG) /*!< Remap TIM3 Trig on DMA1 channel 4 */
+#define DMA1_CH4_TIM16_CH1 (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR1_CH4_TIM16_CH1) /*!< Remap TIM16 channel 1 on DMA1 channel 4 */
+#define DMA1_CH4_TIM16_UP (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR1_CH4_TIM16_UP) /*!< Remap TIM16 up on DMA1 channel 4 */
+#define DMA1_CH4_USART1_TX (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR1_CH4_USART1_TX) /*!< Remap USART1 Tx on DMA1 channel 4 */
+#define DMA1_CH4_USART2_TX (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR1_CH4_USART2_TX) /*!< Remap USART2 Tx on DMA1 channel 4 */
+#define DMA1_CH4_USART3_TX (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR1_CH4_USART3_TX) /*!< Remap USART3 Tx on DMA1 channel 4 */
+#define DMA1_CH4_USART4_TX (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR1_CH4_USART4_TX) /*!< Remap USART4 Tx on DMA1 channel 4 */
+#define DMA1_CH4_USART5_TX (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR1_CH4_USART5_TX) /*!< Remap USART5 Tx on DMA1 channel 4 */
+#define DMA1_CH4_USART6_TX (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR1_CH4_USART6_TX) /*!< Remap USART6 Tx on DMA1 channel 4 */
+#define DMA1_CH4_USART7_TX (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR1_CH4_USART7_TX) /*!< Remap USART7 Tx on DMA1 channel 4 */
+#define DMA1_CH4_USART8_TX (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR1_CH4_USART8_TX) /*!< Remap USART8 Tx on DMA1 channel 4 */
+/* DMA1 - Channel 5 */
+#define DMA1_CH5_DEFAULT (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR1_DEFAULT) /*!< Default remap position for DMA1 */
+#define DMA1_CH5_I2C2_RX (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR1_CH5_I2C2_RX) /*!< Remap I2C2 Rx on DMA1 channel 5 */
+#define DMA1_CH5_SPI2_TX (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR1_CH5_SPI2_TX) /*!< Remap SPI1 Tx on DMA1 channel 5 */
+#define DMA1_CH5_TIM1_CH3 (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR1_CH5_TIM1_CH3) /*!< Remap TIM1 channel 3 on DMA1 channel 5 */
+#define DMA1_CH5_USART1_RX (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR1_CH5_USART1_RX) /*!< Remap USART1 Rx on DMA1 channel 5 */
+#define DMA1_CH5_USART2_RX (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR1_CH5_USART2_RX) /*!< Remap USART2 Rx on DMA1 channel 5 */
+#define DMA1_CH5_USART3_RX (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR1_CH5_USART3_RX) /*!< Remap USART3 Rx on DMA1 channel 5 */
+#define DMA1_CH5_USART4_RX (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR1_CH5_USART4_RX) /*!< Remap USART4 Rx on DMA1 channel 5 */
+#define DMA1_CH5_USART5_RX (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR1_CH5_USART5_RX) /*!< Remap USART5 Rx on DMA1 channel 5 */
+#define DMA1_CH5_USART6_RX (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR1_CH5_USART6_RX) /*!< Remap USART6 Rx on DMA1 channel 5 */
+#define DMA1_CH5_USART7_RX (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR1_CH5_USART7_RX) /*!< Remap USART7 Rx on DMA1 channel 5 */
+#define DMA1_CH5_USART8_RX (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR1_CH5_USART8_RX) /*!< Remap USART8 Rx on DMA1 channel 5 */
+/* DMA1 - Channel 6 */
+#define DMA1_CH6_DEFAULT (uint32_t) (DMAx_CHANNEL6_RMP | DMA_RMPCR1_DEFAULT) /*!< Default remap position for DMA1 */
+#define DMA1_CH6_I2C1_TX (uint32_t) (DMAx_CHANNEL6_RMP | DMA_RMPCR1_CH6_I2C1_TX) /*!< Remap I2C1 Tx on DMA1 channel 6 */
+#define DMA1_CH6_SPI2_RX (uint32_t) (DMAx_CHANNEL6_RMP | DMA_RMPCR1_CH6_SPI2_RX) /*!< Remap SPI2 Rx on DMA1 channel 6 */
+#define DMA1_CH6_TIM1_CH1 (uint32_t) (DMAx_CHANNEL6_RMP | DMA_RMPCR1_CH6_TIM1_CH1) /*!< Remap TIM1 channel 1 on DMA1 channel 6 */
+#define DMA1_CH6_TIM1_CH2 (uint32_t) (DMAx_CHANNEL6_RMP | DMA_RMPCR1_CH6_TIM1_CH2) /*!< Remap TIM1 channel 2 on DMA1 channel 6 */
+#define DMA1_CH6_TIM1_CH3 (uint32_t) (DMAx_CHANNEL6_RMP | DMA_RMPCR1_CH6_TIM1_CH3) /*!< Remap TIM1 channel 3 on DMA1 channel 6 */
+#define DMA1_CH6_TIM3_CH1 (uint32_t) (DMAx_CHANNEL6_RMP | DMA_RMPCR1_CH6_TIM3_CH1) /*!< Remap TIM3 channel 1 on DMA1 channel 6 */
+#define DMA1_CH6_TIM3_TRIG (uint32_t) (DMAx_CHANNEL6_RMP | DMA_RMPCR1_CH6_TIM3_TRIG) /*!< Remap TIM3 Trig on DMA1 channel 6 */
+#define DMA1_CH6_TIM16_CH1 (uint32_t) (DMAx_CHANNEL6_RMP | DMA_RMPCR1_CH6_TIM16_CH1) /*!< Remap TIM16 channel 1 on DMA1 channel 6 */
+#define DMA1_CH6_TIM16_UP (uint32_t) (DMAx_CHANNEL6_RMP | DMA_RMPCR1_CH6_TIM16_UP) /*!< Remap TIM16 up on DMA1 channel 6 */
+#define DMA1_CH6_USART1_RX (uint32_t) (DMAx_CHANNEL6_RMP | DMA_RMPCR1_CH6_USART1_RX) /*!< Remap USART1 Rx on DMA1 channel 6 */
+#define DMA1_CH6_USART2_RX (uint32_t) (DMAx_CHANNEL6_RMP | DMA_RMPCR1_CH6_USART2_RX) /*!< Remap USART2 Rx on DMA1 channel 6 */
+#define DMA1_CH6_USART3_RX (uint32_t) (DMAx_CHANNEL6_RMP | DMA_RMPCR1_CH6_USART3_RX) /*!< Remap USART3 Rx on DMA1 channel 6 */
+#define DMA1_CH6_USART4_RX (uint32_t) (DMAx_CHANNEL6_RMP | DMA_RMPCR1_CH6_USART4_RX) /*!< Remap USART4 Rx on DMA1 channel 6 */
+#define DMA1_CH6_USART5_RX (uint32_t) (DMAx_CHANNEL6_RMP | DMA_RMPCR1_CH6_USART5_RX) /*!< Remap USART5 Rx on DMA1 channel 6 */
+#define DMA1_CH6_USART6_RX (uint32_t) (DMAx_CHANNEL6_RMP | DMA_RMPCR1_CH6_USART6_RX) /*!< Remap USART6 Rx on DMA1 channel 6 */
+#define DMA1_CH6_USART7_RX (uint32_t) (DMAx_CHANNEL6_RMP | DMA_RMPCR1_CH6_USART7_RX) /*!< Remap USART7 Rx on DMA1 channel 6 */
+#define DMA1_CH6_USART8_RX (uint32_t) (DMAx_CHANNEL6_RMP | DMA_RMPCR1_CH6_USART8_RX) /*!< Remap USART8 Rx on DMA1 channel 6 */
+/* DMA1 - Channel 7 */
+#define DMA1_CH7_DEFAULT (uint32_t) (DMAx_CHANNEL7_RMP | DMA_RMPCR1_DEFAULT) /*!< Default remap position for DMA1 */
+#define DMA1_CH7_I2C1_RX (uint32_t) (DMAx_CHANNEL7_RMP | DMA_RMPCR1_CH7_I2C1_RX) /*!< Remap I2C1 Rx on DMA1 channel 7 */
+#define DMA1_CH7_SPI2_TX (uint32_t) (DMAx_CHANNEL7_RMP | DMA_RMPCR1_CH7_SPI2_TX) /*!< Remap SPI2 Tx on DMA1 channel 7 */
+#define DMA1_CH7_TIM2_CH2 (uint32_t) (DMAx_CHANNEL7_RMP | DMA_RMPCR1_CH7_TIM2_CH2) /*!< Remap TIM2 channel 2 on DMA1 channel 7 */
+#define DMA1_CH7_TIM2_CH4 (uint32_t) (DMAx_CHANNEL7_RMP | DMA_RMPCR1_CH7_TIM2_CH4) /*!< Remap TIM2 channel 4 on DMA1 channel 7 */
+#define DMA1_CH7_TIM17_CH1 (uint32_t) (DMAx_CHANNEL7_RMP | DMA_RMPCR1_CH7_TIM17_CH1) /*!< Remap TIM17 channel 1 on DMA1 channel 7 */
+#define DMA1_CH7_TIM17_UP (uint32_t) (DMAx_CHANNEL7_RMP | DMA_RMPCR1_CH7_TIM17_UP) /*!< Remap TIM17 up on DMA1 channel 7 */
+#define DMA1_CH7_USART1_TX (uint32_t) (DMAx_CHANNEL7_RMP | DMA_RMPCR1_CH7_USART1_TX) /*!< Remap USART1 Tx on DMA1 channel 7 */
+#define DMA1_CH7_USART2_TX (uint32_t) (DMAx_CHANNEL7_RMP | DMA_RMPCR1_CH7_USART2_TX) /*!< Remap USART2 Tx on DMA1 channel 7 */
+#define DMA1_CH7_USART3_TX (uint32_t) (DMAx_CHANNEL7_RMP | DMA_RMPCR1_CH7_USART3_TX) /*!< Remap USART3 Tx on DMA1 channel 7 */
+#define DMA1_CH7_USART4_TX (uint32_t) (DMAx_CHANNEL7_RMP | DMA_RMPCR1_CH7_USART4_TX) /*!< Remap USART4 Tx on DMA1 channel 7 */
+#define DMA1_CH7_USART5_TX (uint32_t) (DMAx_CHANNEL7_RMP | DMA_RMPCR1_CH7_USART5_TX) /*!< Remap USART5 Tx on DMA1 channel 7 */
+#define DMA1_CH7_USART6_TX (uint32_t) (DMAx_CHANNEL7_RMP | DMA_RMPCR1_CH7_USART6_TX) /*!< Remap USART6 Tx on DMA1 channel 7 */
+#define DMA1_CH7_USART7_TX (uint32_t) (DMAx_CHANNEL7_RMP | DMA_RMPCR1_CH7_USART7_TX) /*!< Remap USART7 Tx on DMA1 channel 7 */
+#define DMA1_CH7_USART8_TX (uint32_t) (DMAx_CHANNEL7_RMP | DMA_RMPCR1_CH7_USART8_TX) /*!< Remap USART8 Tx on DMA1 channel 7 */
+
+#define IS_DMA1_REMAP(REMAP) ((REMAP == DMA1_CH1_DEFAULT) ||\
+ (REMAP == DMA1_CH1_ADC) ||\
+ (REMAP == DMA1_CH1_TIM17_CH1) ||\
+ (REMAP == DMA1_CH1_TIM17_UP) ||\
+ (REMAP == DMA1_CH1_USART1_RX) ||\
+ (REMAP == DMA1_CH1_USART2_RX) ||\
+ (REMAP == DMA1_CH1_USART3_RX) ||\
+ (REMAP == DMA1_CH1_USART4_RX) ||\
+ (REMAP == DMA1_CH1_USART5_RX) ||\
+ (REMAP == DMA1_CH1_USART6_RX) ||\
+ (REMAP == DMA1_CH1_USART7_RX) ||\
+ (REMAP == DMA1_CH1_USART8_RX) ||\
+ (REMAP == DMA1_CH2_DEFAULT) ||\
+ (REMAP == DMA1_CH2_ADC) ||\
+ (REMAP == DMA1_CH2_I2C1_TX) ||\
+ (REMAP == DMA1_CH2_SPI1_RX) ||\
+ (REMAP == DMA1_CH2_TIM1_CH1) ||\
+ (REMAP == DMA1_CH2_I2C1_TX) ||\
+ (REMAP == DMA1_CH2_TIM17_CH1) ||\
+ (REMAP == DMA1_CH2_TIM17_UP) ||\
+ (REMAP == DMA1_CH2_USART1_TX) ||\
+ (REMAP == DMA1_CH2_USART2_TX) ||\
+ (REMAP == DMA1_CH2_USART3_TX) ||\
+ (REMAP == DMA1_CH2_USART4_TX) ||\
+ (REMAP == DMA1_CH2_USART5_TX) ||\
+ (REMAP == DMA1_CH2_USART6_TX) ||\
+ (REMAP == DMA1_CH2_USART7_TX) ||\
+ (REMAP == DMA1_CH2_USART8_TX) ||\
+ (REMAP == DMA1_CH3_DEFAULT) ||\
+ (REMAP == DMA1_CH3_TIM6_UP) ||\
+ (REMAP == DMA1_CH3_DAC_CH1) ||\
+ (REMAP == DMA1_CH3_I2C1_RX) ||\
+ (REMAP == DMA1_CH3_SPI1_TX) ||\
+ (REMAP == DMA1_CH3_TIM1_CH2) ||\
+ (REMAP == DMA1_CH3_TIM2_CH2) ||\
+ (REMAP == DMA1_CH3_TIM16_CH1) ||\
+ (REMAP == DMA1_CH3_TIM16_UP) ||\
+ (REMAP == DMA1_CH3_USART1_RX) ||\
+ (REMAP == DMA1_CH3_USART2_RX) ||\
+ (REMAP == DMA1_CH3_USART3_RX) ||\
+ (REMAP == DMA1_CH3_USART4_RX) ||\
+ (REMAP == DMA1_CH3_USART5_RX) ||\
+ (REMAP == DMA1_CH3_USART6_RX) ||\
+ (REMAP == DMA1_CH3_USART7_RX) ||\
+ (REMAP == DMA1_CH3_USART8_RX) ||\
+ (REMAP == DMA1_CH4_DEFAULT) ||\
+ (REMAP == DMA1_CH4_TIM7_UP) ||\
+ (REMAP == DMA1_CH4_DAC_CH2) ||\
+ (REMAP == DMA1_CH4_I2C2_TX) ||\
+ (REMAP == DMA1_CH4_SPI2_RX) ||\
+ (REMAP == DMA1_CH4_TIM2_CH4) ||\
+ (REMAP == DMA1_CH4_TIM3_CH1) ||\
+ (REMAP == DMA1_CH4_TIM3_TRIG) ||\
+ (REMAP == DMA1_CH4_TIM16_CH1) ||\
+ (REMAP == DMA1_CH4_TIM16_UP) ||\
+ (REMAP == DMA1_CH4_USART1_TX) ||\
+ (REMAP == DMA1_CH4_USART2_TX) ||\
+ (REMAP == DMA1_CH4_USART3_TX) ||\
+ (REMAP == DMA1_CH4_USART4_TX) ||\
+ (REMAP == DMA1_CH4_USART5_TX) ||\
+ (REMAP == DMA1_CH4_USART6_TX) ||\
+ (REMAP == DMA1_CH4_USART7_TX) ||\
+ (REMAP == DMA1_CH4_USART8_TX) ||\
+ (REMAP == DMA1_CH5_DEFAULT) ||\
+ (REMAP == DMA1_CH5_I2C2_RX) ||\
+ (REMAP == DMA1_CH5_SPI2_TX) ||\
+ (REMAP == DMA1_CH5_TIM1_CH3) ||\
+ (REMAP == DMA1_CH5_USART1_RX) ||\
+ (REMAP == DMA1_CH5_USART2_RX) ||\
+ (REMAP == DMA1_CH5_USART3_RX) ||\
+ (REMAP == DMA1_CH5_USART4_RX) ||\
+ (REMAP == DMA1_CH5_USART5_RX) ||\
+ (REMAP == DMA1_CH5_USART6_RX) ||\
+ (REMAP == DMA1_CH5_USART7_RX) ||\
+ (REMAP == DMA1_CH5_USART8_RX) ||\
+ (REMAP == DMA1_CH6_DEFAULT) ||\
+ (REMAP == DMA1_CH6_I2C1_TX) ||\
+ (REMAP == DMA1_CH6_SPI2_RX) ||\
+ (REMAP == DMA1_CH6_TIM1_CH1) ||\
+ (REMAP == DMA1_CH6_TIM1_CH2) ||\
+ (REMAP == DMA1_CH6_TIM1_CH3) ||\
+ (REMAP == DMA1_CH6_TIM3_CH1) ||\
+ (REMAP == DMA1_CH6_TIM3_TRIG) ||\
+ (REMAP == DMA1_CH6_TIM16_CH1) ||\
+ (REMAP == DMA1_CH6_TIM16_UP) ||\
+ (REMAP == DMA1_CH6_USART1_RX) ||\
+ (REMAP == DMA1_CH6_USART2_RX) ||\
+ (REMAP == DMA1_CH6_USART3_RX) ||\
+ (REMAP == DMA1_CH6_USART4_RX) ||\
+ (REMAP == DMA1_CH6_USART5_RX) ||\
+ (REMAP == DMA1_CH6_USART6_RX) ||\
+ (REMAP == DMA1_CH6_USART7_RX) ||\
+ (REMAP == DMA1_CH6_USART8_RX) ||\
+ (REMAP == DMA1_CH7_DEFAULT) ||\
+ (REMAP == DMA1_CH7_I2C1_RX) ||\
+ (REMAP == DMA1_CH7_SPI2_TX) ||\
+ (REMAP == DMA1_CH7_TIM2_CH2) ||\
+ (REMAP == DMA1_CH7_TIM2_CH4) ||\
+ (REMAP == DMA1_CH7_TIM17_CH1) ||\
+ (REMAP == DMA1_CH7_TIM17_UP) ||\
+ (REMAP == DMA1_CH7_USART1_TX) ||\
+ (REMAP == DMA1_CH7_USART2_TX) ||\
+ (REMAP == DMA1_CH7_USART3_TX) ||\
+ (REMAP == DMA1_CH7_USART4_TX) ||\
+ (REMAP == DMA1_CH7_USART5_TX) ||\
+ (REMAP == DMA1_CH7_USART6_TX) ||\
+ (REMAP == DMA1_CH7_USART7_TX) ||\
+ (REMAP == DMA1_CH7_USART8_TX))
+
+/****************** DMA2 remap bit field definition********************/
+/* DMA2 - Channel 1 */
+#define DMA2_CH1_DEFAULT (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR2_DEFAULT) /*!< Default remap position for DMA2 */
+#define DMA2_CH1_I2C2_TX (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR2_CH1_I2C2_TX) /*!< Remap I2C2 TX on DMA2 channel 1 */
+#define DMA2_CH1_USART1_TX (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR2_CH1_USART1_TX) /*!< Remap USART1 Tx on DMA2 channel 1 */
+#define DMA2_CH1_USART2_TX (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR2_CH1_USART2_TX) /*!< Remap USART2 Tx on DMA2 channel 1 */
+#define DMA2_CH1_USART3_TX (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR2_CH1_USART3_TX) /*!< Remap USART3 Tx on DMA2 channel 1 */
+#define DMA2_CH1_USART4_TX (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR2_CH1_USART4_TX) /*!< Remap USART4 Tx on DMA2 channel 1 */
+#define DMA2_CH1_USART5_TX (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR2_CH1_USART5_TX) /*!< Remap USART5 Tx on DMA2 channel 1 */
+#define DMA2_CH1_USART6_TX (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR2_CH1_USART6_TX) /*!< Remap USART6 Tx on DMA2 channel 1 */
+#define DMA2_CH1_USART7_TX (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR2_CH1_USART7_TX) /*!< Remap USART7 Tx on DMA2 channel 1 */
+#define DMA2_CH1_USART8_TX (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR2_CH1_USART8_TX) /*!< Remap USART8 Tx on DMA2 channel 1 */
+/* DMA2 - Channel 2 */
+#define DMA2_CH2_DEFAULT (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR2_DEFAULT) /*!< Default remap position for DMA2 */
+#define DMA2_CH2_I2C2_RX (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR2_CH2_I2C2_RX) /*!< Remap I2C2 Rx on DMA2 channel 2 */
+#define DMA2_CH2_USART1_RX (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR2_CH2_USART1_RX) /*!< Remap USART1 Rx on DMA2 channel 2 */
+#define DMA2_CH2_USART2_RX (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR2_CH2_USART2_RX) /*!< Remap USART2 Rx on DMA2 channel 2 */
+#define DMA2_CH2_USART3_RX (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR2_CH2_USART3_RX) /*!< Remap USART3 Rx on DMA2 channel 2 */
+#define DMA2_CH2_USART4_RX (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR2_CH2_USART4_RX) /*!< Remap USART4 Rx on DMA2 channel 2 */
+#define DMA2_CH2_USART5_RX (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR2_CH2_USART5_RX) /*!< Remap USART5 Rx on DMA2 channel 2 */
+#define DMA2_CH2_USART6_RX (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR2_CH2_USART6_RX) /*!< Remap USART6 Rx on DMA2 channel 2 */
+#define DMA2_CH2_USART7_RX (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR2_CH2_USART7_RX) /*!< Remap USART7 Rx on DMA2 channel 2 */
+#define DMA2_CH2_USART8_RX (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR2_CH2_USART8_RX) /*!< Remap USART8 Rx on DMA2 channel 2 */
+/* DMA2 - Channel 3 */
+#define DMA2_CH3_DEFAULT (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR2_DEFAULT) /*!< Default remap position for DMA2 */
+#define DMA2_CH3_TIM6_UP (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR2_CH3_TIM6_UP) /*!< Remap TIM6 up on DMA2 channel 3 */
+#define DMA2_CH3_DAC_CH1 (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR2_CH3_DAC_CH1) /*!< Remap DAC channel 1 on DMA2 channel 3 */
+#define DMA2_CH3_SPI1_RX (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR2_CH3_SPI1_RX) /*!< Remap SPI1 Rx on DMA2 channel 3 */
+#define DMA2_CH3_USART1_RX (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR2_CH3_USART1_RX) /*!< Remap USART1 Rx on DMA2 channel 3 */
+#define DMA2_CH3_USART2_RX (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR2_CH3_USART2_RX) /*!< Remap USART2 Rx on DMA2 channel 3 */
+#define DMA2_CH3_USART3_RX (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR2_CH3_USART3_RX) /*!< Remap USART3 Rx on DMA2 channel 3 */
+#define DMA2_CH3_USART4_RX (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR2_CH3_USART4_RX) /*!< Remap USART4 Rx on DMA2 channel 3 */
+#define DMA2_CH3_USART5_RX (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR2_CH3_USART5_RX) /*!< Remap USART5 Rx on DMA2 channel 3 */
+#define DMA2_CH3_USART6_RX (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR2_CH3_USART6_RX) /*!< Remap USART6 Rx on DMA2 channel 3 */
+#define DMA2_CH3_USART7_RX (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR2_CH3_USART7_RX) /*!< Remap USART7 Rx on DMA2 channel 3 */
+#define DMA2_CH3_USART8_RX (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR2_CH3_USART8_RX) /*!< Remap USART8 Rx on DMA2 channel 3 */
+/* DMA2 - Channel 4 */
+#define DMA2_CH4_DEFAULT (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR2_DEFAULT) /*!< Default remap position for DMA2 */
+#define DMA2_CH4_TIM7_UP (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR2_CH4_TIM7_UP) /*!< Remap TIM7 up on DMA2 channel 4 */
+#define DMA2_CH4_DAC_CH2 (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR2_CH4_DAC_CH2) /*!< Remap DAC channel 2 on DMA2 channel 4 */
+#define DMA2_CH4_SPI1_TX (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR2_CH4_SPI1_TX) /*!< Remap SPI1 Tx on DMA2 channel 4 */
+#define DMA2_CH4_USART1_TX (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR2_CH4_USART1_TX) /*!< Remap USART1 Tx on DMA2 channel 4 */
+#define DMA2_CH4_USART2_TX (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR2_CH4_USART2_TX) /*!< Remap USART2 Tx on DMA2 channel 4 */
+#define DMA2_CH4_USART3_TX (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR2_CH4_USART3_TX) /*!< Remap USART3 Tx on DMA2 channel 4 */
+#define DMA2_CH4_USART4_TX (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR2_CH4_USART4_TX) /*!< Remap USART4 Tx on DMA2 channel 4 */
+#define DMA2_CH4_USART5_TX (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR2_CH4_USART5_TX) /*!< Remap USART5 Tx on DMA2 channel 4 */
+#define DMA2_CH4_USART6_TX (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR2_CH4_USART6_TX) /*!< Remap USART6 Tx on DMA2 channel 4 */
+#define DMA2_CH4_USART7_TX (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR2_CH4_USART7_TX) /*!< Remap USART7 Tx on DMA2 channel 4 */
+#define DMA2_CH4_USART8_TX (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR2_CH4_USART8_TX) /*!< Remap USART8 Tx on DMA2 channel 4 */
+/* DMA2 - Channel 5 */
+#define DMA2_CH5_DEFAULT (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR2_DEFAULT) /*!< Default remap position for DMA2 */
+#define DMA2_CH5_ADC (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR2_CH5_ADC) /*!< Remap ADC on DMA2 channel 5 */
+#define DMA2_CH5_USART1_TX (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR2_CH5_USART1_TX) /*!< Remap USART1 Tx on DMA2 channel 5 */
+#define DMA2_CH5_USART2_TX (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR2_CH5_USART2_TX) /*!< Remap USART2 Tx on DMA2 channel 5 */
+#define DMA2_CH5_USART3_TX (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR2_CH5_USART3_TX) /*!< Remap USART3 Tx on DMA2 channel 5 */
+#define DMA2_CH5_USART4_TX (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR2_CH5_USART4_TX) /*!< Remap USART4 Tx on DMA2 channel 5 */
+#define DMA2_CH5_USART5_TX (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR2_CH5_USART5_TX) /*!< Remap USART5 Tx on DMA2 channel 5 */
+#define DMA2_CH5_USART6_TX (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR2_CH5_USART6_TX) /*!< Remap USART6 Tx on DMA2 channel 5 */
+#define DMA2_CH5_USART7_TX (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR2_CH5_USART7_TX) /*!< Remap USART7 Tx on DMA2 channel 5 */
+#define DMA2_CH5_USART8_TX (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR2_CH5_USART8_TX) /*!< Remap USART8 Tx on DMA2 channel 5 */
+
+#define IS_DMA2_REMAP(REMAP) ((REMAP == DMA2_CH1_DEFAULT) ||\
+ (REMAP == DMA2_CH1_I2C2_TX) ||\
+ (REMAP == DMA2_CH1_USART1_TX) ||\
+ (REMAP == DMA2_CH1_USART2_TX) ||\
+ (REMAP == DMA2_CH1_USART3_TX) ||\
+ (REMAP == DMA2_CH1_USART4_TX) ||\
+ (REMAP == DMA2_CH1_USART5_TX) ||\
+ (REMAP == DMA2_CH1_USART6_TX) ||\
+ (REMAP == DMA2_CH1_USART7_TX) ||\
+ (REMAP == DMA2_CH1_USART8_TX) ||\
+ (REMAP == DMA2_CH2_DEFAULT) ||\
+ (REMAP == DMA2_CH2_I2C2_RX) ||\
+ (REMAP == DMA2_CH2_USART1_RX) ||\
+ (REMAP == DMA2_CH2_USART2_RX) ||\
+ (REMAP == DMA2_CH2_USART3_RX) ||\
+ (REMAP == DMA2_CH2_USART4_RX) ||\
+ (REMAP == DMA2_CH2_USART5_RX) ||\
+ (REMAP == DMA2_CH2_USART6_RX) ||\
+ (REMAP == DMA2_CH2_USART7_RX) ||\
+ (REMAP == DMA2_CH2_USART8_RX) ||\
+ (REMAP == DMA2_CH3_DEFAULT) ||\
+ (REMAP == DMA2_CH3_TIM6_UP) ||\
+ (REMAP == DMA2_CH3_DAC_CH1) ||\
+ (REMAP == DMA2_CH3_SPI1_RX) ||\
+ (REMAP == DMA2_CH3_USART1_RX) ||\
+ (REMAP == DMA2_CH3_USART2_RX) ||\
+ (REMAP == DMA2_CH3_USART3_RX) ||\
+ (REMAP == DMA2_CH3_USART4_RX) ||\
+ (REMAP == DMA2_CH3_USART5_RX) ||\
+ (REMAP == DMA2_CH3_USART6_RX) ||\
+ (REMAP == DMA2_CH3_USART7_RX) ||\
+ (REMAP == DMA2_CH3_USART8_RX) ||\
+ (REMAP == DMA2_CH4_DEFAULT) ||\
+ (REMAP == DMA2_CH4_TIM7_UP) ||\
+ (REMAP == DMA2_CH4_DAC_CH2) ||\
+ (REMAP == DMA2_CH4_SPI1_TX) ||\
+ (REMAP == DMA2_CH4_USART1_TX) ||\
+ (REMAP == DMA2_CH4_USART2_TX) ||\
+ (REMAP == DMA2_CH4_USART3_TX) ||\
+ (REMAP == DMA2_CH4_USART4_TX) ||\
+ (REMAP == DMA2_CH4_USART5_TX) ||\
+ (REMAP == DMA2_CH4_USART6_TX) ||\
+ (REMAP == DMA2_CH4_USART7_TX) ||\
+ (REMAP == DMA2_CH4_USART8_TX) ||\
+ (REMAP == DMA2_CH5_DEFAULT) ||\
+ (REMAP == DMA2_CH5_ADC) ||\
+ (REMAP == DMA2_CH5_USART1_TX) ||\
+ (REMAP == DMA2_CH5_USART2_TX) ||\
+ (REMAP == DMA2_CH5_USART3_TX) ||\
+ (REMAP == DMA2_CH5_USART4_TX) ||\
+ (REMAP == DMA2_CH5_USART5_TX) ||\
+ (REMAP == DMA2_CH5_USART6_TX) ||\
+ (REMAP == DMA2_CH5_USART7_TX) ||\
+ (REMAP == DMA2_CH5_USART8_TX ))
+
+/**
+ * @}
+ */
+
+/** @defgroup DMA_interrupts_definition
+ * @{
+ */
+
+#define DMA_IT_TC DMA_CCR_TCIE
+#define DMA_IT_HT DMA_CCR_HTIE
+#define DMA_IT_TE DMA_CCR_TEIE
+
+#define IS_DMA_CONFIG_IT(IT) ((((IT) & 0xFFFFFFF1) == 0x00) && ((IT) != 0x00))
+
+#define DMA1_IT_GL1 DMA_ISR_GIF1
+#define DMA1_IT_TC1 DMA_ISR_TCIF1
+#define DMA1_IT_HT1 DMA_ISR_HTIF1
+#define DMA1_IT_TE1 DMA_ISR_TEIF1
+#define DMA1_IT_GL2 DMA_ISR_GIF2
+#define DMA1_IT_TC2 DMA_ISR_TCIF2
+#define DMA1_IT_HT2 DMA_ISR_HTIF2
+#define DMA1_IT_TE2 DMA_ISR_TEIF2
+#define DMA1_IT_GL3 DMA_ISR_GIF3
+#define DMA1_IT_TC3 DMA_ISR_TCIF3
+#define DMA1_IT_HT3 DMA_ISR_HTIF3
+#define DMA1_IT_TE3 DMA_ISR_TEIF3
+#define DMA1_IT_GL4 DMA_ISR_GIF4
+#define DMA1_IT_TC4 DMA_ISR_TCIF4
+#define DMA1_IT_HT4 DMA_ISR_HTIF4
+#define DMA1_IT_TE4 DMA_ISR_TEIF4
+#define DMA1_IT_GL5 DMA_ISR_GIF5
+#define DMA1_IT_TC5 DMA_ISR_TCIF5
+#define DMA1_IT_HT5 DMA_ISR_HTIF5
+#define DMA1_IT_TE5 DMA_ISR_TEIF5
+#define DMA1_IT_GL6 DMA_ISR_GIF6 /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define DMA1_IT_TC6 DMA_ISR_TCIF6 /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define DMA1_IT_HT6 DMA_ISR_HTIF6 /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define DMA1_IT_TE6 DMA_ISR_TEIF6 /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define DMA1_IT_GL7 DMA_ISR_GIF7 /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define DMA1_IT_TC7 DMA_ISR_TCIF7 /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define DMA1_IT_HT7 DMA_ISR_HTIF7 /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define DMA1_IT_TE7 DMA_ISR_TEIF7 /*!< Only applicable for STM32F072 and STM32F091 devices */
+
+#define DMA2_IT_GL1 ((uint32_t)0x10000001) /*!< Only applicable for STM32F091 devices */
+#define DMA2_IT_TC1 ((uint32_t)0x10000002) /*!< Only applicable for STM32F091 devices */
+#define DMA2_IT_HT1 ((uint32_t)0x10000004) /*!< Only applicable for STM32F091 devices */
+#define DMA2_IT_TE1 ((uint32_t)0x10000008) /*!< Only applicable for STM32F091 devices */
+#define DMA2_IT_GL2 ((uint32_t)0x10000010) /*!< Only applicable for STM32F091 devices */
+#define DMA2_IT_TC2 ((uint32_t)0x10000020) /*!< Only applicable for STM32F091 devices */
+#define DMA2_IT_HT2 ((uint32_t)0x10000040) /*!< Only applicable for STM32F091 devices */
+#define DMA2_IT_TE2 ((uint32_t)0x10000080) /*!< Only applicable for STM32F091 devices */
+#define DMA2_IT_GL3 ((uint32_t)0x10000100) /*!< Only applicable for STM32F091 devices */
+#define DMA2_IT_TC3 ((uint32_t)0x10000200) /*!< Only applicable for STM32F091 devices */
+#define DMA2_IT_HT3 ((uint32_t)0x10000400) /*!< Only applicable for STM32F091 devices */
+#define DMA2_IT_TE3 ((uint32_t)0x10000800) /*!< Only applicable for STM32F091 devices */
+#define DMA2_IT_GL4 ((uint32_t)0x10001000) /*!< Only applicable for STM32F091 devices */
+#define DMA2_IT_TC4 ((uint32_t)0x10002000) /*!< Only applicable for STM32F091 devices */
+#define DMA2_IT_HT4 ((uint32_t)0x10004000) /*!< Only applicable for STM32F091 devices */
+#define DMA2_IT_TE4 ((uint32_t)0x10008000) /*!< Only applicable for STM32F091 devices */
+#define DMA2_IT_GL5 ((uint32_t)0x10010000) /*!< Only applicable for STM32F091 devices */
+#define DMA2_IT_TC5 ((uint32_t)0x10020000) /*!< Only applicable for STM32F091 devices */
+#define DMA2_IT_HT5 ((uint32_t)0x10040000) /*!< Only applicable for STM32F091 devices */
+#define DMA2_IT_TE5 ((uint32_t)0x10080000) /*!< Only applicable for STM32F091 devices */
+
+#define IS_DMA_CLEAR_IT(IT) (((((IT) & 0xF0000000) == 0x00) || (((IT) & 0xEFF00000) == 0x00)) && ((IT) != 0x00))
+
+#define IS_DMA_GET_IT(IT) (((IT) == DMA1_IT_GL1) || ((IT) == DMA1_IT_TC1) || \
+ ((IT) == DMA1_IT_HT1) || ((IT) == DMA1_IT_TE1) || \
+ ((IT) == DMA1_IT_GL2) || ((IT) == DMA1_IT_TC2) || \
+ ((IT) == DMA1_IT_HT2) || ((IT) == DMA1_IT_TE2) || \
+ ((IT) == DMA1_IT_GL3) || ((IT) == DMA1_IT_TC3) || \
+ ((IT) == DMA1_IT_HT3) || ((IT) == DMA1_IT_TE3) || \
+ ((IT) == DMA1_IT_GL4) || ((IT) == DMA1_IT_TC4) || \
+ ((IT) == DMA1_IT_HT4) || ((IT) == DMA1_IT_TE4) || \
+ ((IT) == DMA1_IT_GL5) || ((IT) == DMA1_IT_TC5) || \
+ ((IT) == DMA1_IT_HT5) || ((IT) == DMA1_IT_TE5) || \
+ ((IT) == DMA1_IT_GL6) || ((IT) == DMA1_IT_TC6) || \
+ ((IT) == DMA1_IT_HT6) || ((IT) == DMA1_IT_TE6) || \
+ ((IT) == DMA1_IT_GL7) || ((IT) == DMA1_IT_TC7) || \
+ ((IT) == DMA1_IT_HT7) || ((IT) == DMA1_IT_TE7) || \
+ ((IT) == DMA2_IT_GL1) || ((IT) == DMA2_IT_TC1) || \
+ ((IT) == DMA2_IT_HT1) || ((IT) == DMA2_IT_TE1) || \
+ ((IT) == DMA2_IT_GL2) || ((IT) == DMA2_IT_TC2) || \
+ ((IT) == DMA2_IT_HT2) || ((IT) == DMA2_IT_TE2) || \
+ ((IT) == DMA2_IT_GL3) || ((IT) == DMA2_IT_TC3) || \
+ ((IT) == DMA2_IT_HT3) || ((IT) == DMA2_IT_TE3) || \
+ ((IT) == DMA2_IT_GL4) || ((IT) == DMA2_IT_TC4) || \
+ ((IT) == DMA2_IT_HT4) || ((IT) == DMA2_IT_TE4) || \
+ ((IT) == DMA2_IT_GL5) || ((IT) == DMA2_IT_TC5) || \
+ ((IT) == DMA2_IT_HT5) || ((IT) == DMA2_IT_TE5))
+
+/**
+ * @}
+ */
+
+/** @defgroup DMA_flags_definition
+ * @{
+ */
+#define DMA1_FLAG_GL1 DMA_ISR_GIF1
+#define DMA1_FLAG_TC1 DMA_ISR_TCIF1
+#define DMA1_FLAG_HT1 DMA_ISR_HTIF1
+#define DMA1_FLAG_TE1 DMA_ISR_TEIF1
+#define DMA1_FLAG_GL2 DMA_ISR_GIF2
+#define DMA1_FLAG_TC2 DMA_ISR_TCIF2
+#define DMA1_FLAG_HT2 DMA_ISR_HTIF2
+#define DMA1_FLAG_TE2 DMA_ISR_TEIF2
+#define DMA1_FLAG_GL3 DMA_ISR_GIF3
+#define DMA1_FLAG_TC3 DMA_ISR_TCIF3
+#define DMA1_FLAG_HT3 DMA_ISR_HTIF3
+#define DMA1_FLAG_TE3 DMA_ISR_TEIF3
+#define DMA1_FLAG_GL4 DMA_ISR_GIF4
+#define DMA1_FLAG_TC4 DMA_ISR_TCIF4
+#define DMA1_FLAG_HT4 DMA_ISR_HTIF4
+#define DMA1_FLAG_TE4 DMA_ISR_TEIF4
+#define DMA1_FLAG_GL5 DMA_ISR_GIF5
+#define DMA1_FLAG_TC5 DMA_ISR_TCIF5
+#define DMA1_FLAG_HT5 DMA_ISR_HTIF5
+#define DMA1_FLAG_TE5 DMA_ISR_TEIF5
+#define DMA1_FLAG_GL6 DMA_ISR_GIF6 /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define DMA1_FLAG_TC6 DMA_ISR_TCIF6 /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define DMA1_FLAG_HT6 DMA_ISR_HTIF6 /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define DMA1_FLAG_TE6 DMA_ISR_TEIF6 /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define DMA1_FLAG_GL7 DMA_ISR_GIF7 /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define DMA1_FLAG_TC7 DMA_ISR_TCIF7 /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define DMA1_FLAG_HT7 DMA_ISR_HTIF7 /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define DMA1_FLAG_TE7 DMA_ISR_TEIF7 /*!< Only applicable for STM32F072 and STM32F091 devices */
+
+#define DMA2_FLAG_GL1 ((uint32_t)0x10000001)
+#define DMA2_FLAG_TC1 ((uint32_t)0x10000002)
+#define DMA2_FLAG_HT1 ((uint32_t)0x10000004)
+#define DMA2_FLAG_TE1 ((uint32_t)0x10000008)
+#define DMA2_FLAG_GL2 ((uint32_t)0x10000010)
+#define DMA2_FLAG_TC2 ((uint32_t)0x10000020)
+#define DMA2_FLAG_HT2 ((uint32_t)0x10000040)
+#define DMA2_FLAG_TE2 ((uint32_t)0x10000080)
+#define DMA2_FLAG_GL3 ((uint32_t)0x10000100)
+#define DMA2_FLAG_TC3 ((uint32_t)0x10000200)
+#define DMA2_FLAG_HT3 ((uint32_t)0x10000400)
+#define DMA2_FLAG_TE3 ((uint32_t)0x10000800)
+#define DMA2_FLAG_GL4 ((uint32_t)0x10001000)
+#define DMA2_FLAG_TC4 ((uint32_t)0x10002000)
+#define DMA2_FLAG_HT4 ((uint32_t)0x10004000)
+#define DMA2_FLAG_TE4 ((uint32_t)0x10008000)
+#define DMA2_FLAG_GL5 ((uint32_t)0x10010000)
+#define DMA2_FLAG_TC5 ((uint32_t)0x10020000)
+#define DMA2_FLAG_HT5 ((uint32_t)0x10040000)
+#define DMA2_FLAG_TE5 ((uint32_t)0x10080000)
+
+#define IS_DMA_CLEAR_FLAG(FLAG) (((((FLAG) & 0xF0000000) == 0x00) || (((FLAG) & 0xEFF00000) == 0x00)) && ((FLAG) != 0x00))
+
+#define IS_DMA_GET_FLAG(FLAG) (((FLAG) == DMA1_FLAG_GL1) || ((FLAG) == DMA1_FLAG_TC1) || \
+ ((FLAG) == DMA1_FLAG_HT1) || ((FLAG) == DMA1_FLAG_TE1) || \
+ ((FLAG) == DMA1_FLAG_GL2) || ((FLAG) == DMA1_FLAG_TC2) || \
+ ((FLAG) == DMA1_FLAG_HT2) || ((FLAG) == DMA1_FLAG_TE2) || \
+ ((FLAG) == DMA1_FLAG_GL3) || ((FLAG) == DMA1_FLAG_TC3) || \
+ ((FLAG) == DMA1_FLAG_HT3) || ((FLAG) == DMA1_FLAG_TE3) || \
+ ((FLAG) == DMA1_FLAG_GL4) || ((FLAG) == DMA1_FLAG_TC4) || \
+ ((FLAG) == DMA1_FLAG_HT4) || ((FLAG) == DMA1_FLAG_TE4) || \
+ ((FLAG) == DMA1_FLAG_GL5) || ((FLAG) == DMA1_FLAG_TC5) || \
+ ((FLAG) == DMA1_FLAG_HT5) || ((FLAG) == DMA1_FLAG_TE5) || \
+ ((FLAG) == DMA1_FLAG_GL6) || ((FLAG) == DMA1_FLAG_TC6) || \
+ ((FLAG) == DMA1_FLAG_HT6) || ((FLAG) == DMA1_FLAG_TE6) || \
+ ((FLAG) == DMA1_FLAG_GL7) || ((FLAG) == DMA1_FLAG_TC7) || \
+ ((FLAG) == DMA1_FLAG_HT7) || ((FLAG) == DMA1_FLAG_TE7) || \
+ ((FLAG) == DMA2_FLAG_GL1) || ((FLAG) == DMA2_FLAG_TC1) || \
+ ((FLAG) == DMA2_FLAG_HT1) || ((FLAG) == DMA2_FLAG_TE1) || \
+ ((FLAG) == DMA2_FLAG_GL2) || ((FLAG) == DMA2_FLAG_TC2) || \
+ ((FLAG) == DMA2_FLAG_HT2) || ((FLAG) == DMA2_FLAG_TE2) || \
+ ((FLAG) == DMA2_FLAG_GL3) || ((FLAG) == DMA2_FLAG_TC3) || \
+ ((FLAG) == DMA2_FLAG_HT3) || ((FLAG) == DMA2_FLAG_TE3) || \
+ ((FLAG) == DMA2_FLAG_GL4) || ((FLAG) == DMA2_FLAG_TC4) || \
+ ((FLAG) == DMA2_FLAG_HT4) || ((FLAG) == DMA2_FLAG_TE4) || \
+ ((FLAG) == DMA2_FLAG_GL5) || ((FLAG) == DMA2_FLAG_TC5) || \
+ ((FLAG) == DMA2_FLAG_HT5) || ((FLAG) == DMA2_FLAG_TE5))
+/**
+ * @}
+ */
+
+/** @defgroup DMA_Buffer_Size
+ * @{
+ */
+
+#define IS_DMA_BUFFER_SIZE(SIZE) (((SIZE) >= 0x1) && ((SIZE) < 0x10000))
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+
+/* Function used to set the DMA configuration to the default reset state ******/
+void DMA_DeInit(DMA_Channel_TypeDef* DMAy_Channelx);
+
+/* Initialization and Configuration functions *********************************/
+void DMA_Init(DMA_Channel_TypeDef* DMAy_Channelx, DMA_InitTypeDef* DMA_InitStruct);
+void DMA_StructInit(DMA_InitTypeDef* DMA_InitStruct);
+void DMA_Cmd(DMA_Channel_TypeDef* DMAy_Channelx, FunctionalState NewState);
+void DMA_RemapConfig(DMA_TypeDef* DMAy, uint32_t DMAx_CHy_RemapRequest);
+
+/* Data Counter functions******************************************************/
+void DMA_SetCurrDataCounter(DMA_Channel_TypeDef* DMAy_Channelx, uint16_t DataNumber);
+uint16_t DMA_GetCurrDataCounter(DMA_Channel_TypeDef* DMAy_Channelx);
+
+/* Interrupts and flags management functions **********************************/
+void DMA_ITConfig(DMA_Channel_TypeDef* DMAy_Channelx, uint32_t DMA_IT, FunctionalState NewState);
+FlagStatus DMA_GetFlagStatus(uint32_t DMAy_FLAG);
+void DMA_ClearFlag(uint32_t DMAy_FLAG);
+ITStatus DMA_GetITStatus(uint32_t DMAy_IT);
+void DMA_ClearITPendingBit(uint32_t DMAy_IT);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*__STM32F0XX_DMA_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_exti.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_exti.h
new file mode 100644
index 00000000..4db573ce
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_exti.h
@@ -0,0 +1,216 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_exti.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the EXTI
+ * firmware library
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_EXTI_H
+#define __STM32F0XX_EXTI_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup EXTI
+ * @{
+ */
+/* Exported types ------------------------------------------------------------*/
+
+/**
+ * @brief EXTI mode enumeration
+ */
+
+typedef enum
+{
+ EXTI_Mode_Interrupt = 0x00,
+ EXTI_Mode_Event = 0x04
+}EXTIMode_TypeDef;
+
+#define IS_EXTI_MODE(MODE) (((MODE) == EXTI_Mode_Interrupt) || ((MODE) == EXTI_Mode_Event))
+
+/**
+ * @brief EXTI Trigger enumeration
+ */
+
+typedef enum
+{
+ EXTI_Trigger_Rising = 0x08,
+ EXTI_Trigger_Falling = 0x0C,
+ EXTI_Trigger_Rising_Falling = 0x10
+}EXTITrigger_TypeDef;
+
+#define IS_EXTI_TRIGGER(TRIGGER) (((TRIGGER) == EXTI_Trigger_Rising) || \
+ ((TRIGGER) == EXTI_Trigger_Falling) || \
+ ((TRIGGER) == EXTI_Trigger_Rising_Falling))
+/**
+ * @brief EXTI Init Structure definition
+ */
+
+typedef struct
+{
+ uint32_t EXTI_Line; /*!< Specifies the EXTI lines to be enabled or disabled.
+ This parameter can be any combination of @ref EXTI_Lines */
+
+ EXTIMode_TypeDef EXTI_Mode; /*!< Specifies the mode for the EXTI lines.
+ This parameter can be a value of @ref EXTIMode_TypeDef */
+
+ EXTITrigger_TypeDef EXTI_Trigger; /*!< Specifies the trigger signal active edge for the EXTI lines.
+ This parameter can be a value of @ref EXTIMode_TypeDef */
+
+ FunctionalState EXTI_LineCmd; /*!< Specifies the new state of the selected EXTI lines.
+ This parameter can be set either to ENABLE or DISABLE */
+}EXTI_InitTypeDef;
+
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup EXTI_Exported_Constants
+ * @{
+ */
+/** @defgroup EXTI_Lines
+ * @{
+ */
+
+#define EXTI_Line0 ((uint32_t)0x00000001) /*!< External interrupt line 0 */
+#define EXTI_Line1 ((uint32_t)0x00000002) /*!< External interrupt line 1 */
+#define EXTI_Line2 ((uint32_t)0x00000004) /*!< External interrupt line 2 */
+#define EXTI_Line3 ((uint32_t)0x00000008) /*!< External interrupt line 3 */
+#define EXTI_Line4 ((uint32_t)0x00000010) /*!< External interrupt line 4 */
+#define EXTI_Line5 ((uint32_t)0x00000020) /*!< External interrupt line 5 */
+#define EXTI_Line6 ((uint32_t)0x00000040) /*!< External interrupt line 6 */
+#define EXTI_Line7 ((uint32_t)0x00000080) /*!< External interrupt line 7 */
+#define EXTI_Line8 ((uint32_t)0x00000100) /*!< External interrupt line 8 */
+#define EXTI_Line9 ((uint32_t)0x00000200) /*!< External interrupt line 9 */
+#define EXTI_Line10 ((uint32_t)0x00000400) /*!< External interrupt line 10 */
+#define EXTI_Line11 ((uint32_t)0x00000800) /*!< External interrupt line 11 */
+#define EXTI_Line12 ((uint32_t)0x00001000) /*!< External interrupt line 12 */
+#define EXTI_Line13 ((uint32_t)0x00002000) /*!< External interrupt line 13 */
+#define EXTI_Line14 ((uint32_t)0x00004000) /*!< External interrupt line 14 */
+#define EXTI_Line15 ((uint32_t)0x00008000) /*!< External interrupt line 15 */
+#define EXTI_Line16 ((uint32_t)0x00010000) /*!< External interrupt line 16
+ Connected to the PVD Output,
+ not applicable for STM32F030 devices */
+#define EXTI_Line17 ((uint32_t)0x00020000) /*!< Internal interrupt line 17
+ Connected to the RTC Alarm
+ event */
+#define EXTI_Line18 ((uint32_t)0x00040000) /*!< Internal interrupt line 18
+ Connected to the USB
+ event, only applicable for
+ STM32F072 devices */
+#define EXTI_Line19 ((uint32_t)0x00080000) /*!< Internal interrupt line 19
+ Connected to the RTC Tamper
+ and Time Stamp events */
+#define EXTI_Line20 ((uint32_t)0x00100000) /*!< Internal interrupt line 20
+ Connected to the RTC wakeup
+ event, only applicable for
+ STM32F072 devices */
+#define EXTI_Line21 ((uint32_t)0x00200000) /*!< Internal interrupt line 21
+ Connected to the Comparator 1
+ event, only applicable for STM32F051
+ ans STM32F072 devices */
+#define EXTI_Line22 ((uint32_t)0x00400000) /*!< Internal interrupt line 22
+ Connected to the Comparator 2
+ event, only applicable for STM32F051
+ and STM32F072 devices */
+#define EXTI_Line23 ((uint32_t)0x00800000) /*!< Internal interrupt line 23
+ Connected to the I2C1 wakeup
+ event, not applicable for STM32F030 devices */
+#define EXTI_Line25 ((uint32_t)0x02000000) /*!< Internal interrupt line 25
+ Connected to the USART1 wakeup
+ event, not applicable for STM32F030 devices */
+#define EXTI_Line26 ((uint32_t)0x04000000) /*!< Internal interrupt line 26
+ Connected to the USART2 wakeup
+ event, applicable only for
+ STM32F072 devices */
+#define EXTI_Line27 ((uint32_t)0x08000000) /*!< Internal interrupt line 27
+ Connected to the CEC wakeup
+ event, applicable only for STM32F051
+ and STM32F072 devices */
+#define EXTI_Line31 ((uint32_t)0x80000000) /*!< Internal interrupt line 31
+ Connected to the VDD USB monitor
+ event, applicable only for
+ STM32F072 devices */
+#define IS_EXTI_LINE(LINE) ((((LINE) & (uint32_t)0x71000000) == 0x00) && ((LINE) != (uint16_t)0x00))
+
+#define IS_GET_EXTI_LINE(LINE) (((LINE) == EXTI_Line0) || ((LINE) == EXTI_Line1) || \
+ ((LINE) == EXTI_Line2) || ((LINE) == EXTI_Line3) || \
+ ((LINE) == EXTI_Line4) || ((LINE) == EXTI_Line5) || \
+ ((LINE) == EXTI_Line6) || ((LINE) == EXTI_Line7) || \
+ ((LINE) == EXTI_Line8) || ((LINE) == EXTI_Line9) || \
+ ((LINE) == EXTI_Line10) || ((LINE) == EXTI_Line11) || \
+ ((LINE) == EXTI_Line12) || ((LINE) == EXTI_Line13) || \
+ ((LINE) == EXTI_Line14) || ((LINE) == EXTI_Line15) || \
+ ((LINE) == EXTI_Line16) || ((LINE) == EXTI_Line17) || \
+ ((LINE) == EXTI_Line18) || ((LINE) == EXTI_Line19) || \
+ ((LINE) == EXTI_Line20) || ((LINE) == EXTI_Line21) || \
+ ((LINE) == EXTI_Line22) || ((LINE) == EXTI_Line23) || \
+ ((LINE) == EXTI_Line25) || ((LINE) == EXTI_Line26) || \
+ ((LINE) == EXTI_Line27) || ((LINE) == EXTI_Line31))
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+/* Function used to set the EXTI configuration to the default reset state *****/
+void EXTI_DeInit(void);
+
+/* Initialization and Configuration functions *********************************/
+void EXTI_Init(EXTI_InitTypeDef* EXTI_InitStruct);
+void EXTI_StructInit(EXTI_InitTypeDef* EXTI_InitStruct);
+void EXTI_GenerateSWInterrupt(uint32_t EXTI_Line);
+
+/* Interrupts and flags management functions **********************************/
+FlagStatus EXTI_GetFlagStatus(uint32_t EXTI_Line);
+void EXTI_ClearFlag(uint32_t EXTI_Line);
+ITStatus EXTI_GetITStatus(uint32_t EXTI_Line);
+void EXTI_ClearITPendingBit(uint32_t EXTI_Line);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F0XX_EXTI_H */
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_flash.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_flash.h
new file mode 100644
index 00000000..f647684a
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_flash.h
@@ -0,0 +1,435 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_flash.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the FLASH
+ * firmware library.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_FLASH_H
+#define __STM32F0XX_FLASH_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup FLASH
+ * @{
+ */
+
+/* Exported types ------------------------------------------------------------*/
+
+/**
+ * @brief FLASH Status
+ */
+typedef enum
+{
+ FLASH_BUSY = 1,
+ FLASH_ERROR_WRP,
+ FLASH_ERROR_PROGRAM,
+ FLASH_COMPLETE,
+ FLASH_TIMEOUT
+}FLASH_Status;
+
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup FLASH_Exported_Constants
+ * @{
+ */
+
+/** @defgroup FLASH_Latency
+ * @{
+ */
+#define FLASH_Latency_0 ((uint32_t)0x00000000) /*!< FLASH Zero Latency cycle */
+#define FLASH_Latency_1 FLASH_ACR_LATENCY /*!< FLASH One Latency cycle */
+
+#define IS_FLASH_LATENCY(LATENCY) (((LATENCY) == FLASH_Latency_0) || \
+ ((LATENCY) == FLASH_Latency_1))
+/**
+ * @}
+ */
+
+/** @defgroup FLASH_Interrupts
+ * @{
+ */
+
+#define FLASH_IT_EOP FLASH_CR_EOPIE /*!< End of programming interrupt source */
+#define FLASH_IT_ERR FLASH_CR_ERRIE /*!< Error interrupt source */
+#define IS_FLASH_IT(IT) ((((IT) & (uint32_t)0xFFFFEBFF) == 0x00000000) && (((IT) != 0x00000000)))
+/**
+ * @}
+ */
+
+/** @defgroup FLASH_Address
+ * @{
+ */
+#if defined(STM32F042) || defined(STM32F031) || defined(STM32F070x6) /*32K devices */
+ #define IS_FLASH_PROGRAM_ADDRESS(ADDRESS) (((ADDRESS) >= 0x08000000) && ((ADDRESS) <= 0x08007FFF))
+#elif defined(STM32F030) || defined(STM32F051) /*64K devices */
+ #define IS_FLASH_PROGRAM_ADDRESS(ADDRESS) (((ADDRESS) >= 0x08000000) && ((ADDRESS) <= 0x0800FFFF))
+#elif defined(STM32F072) || defined(STM32F070xB) /*128K devices */
+ #define IS_FLASH_PROGRAM_ADDRESS(ADDRESS) (((ADDRESS) >= 0x08000000) && ((ADDRESS) <= 0x0801FFFF))
+#else /* STM32F091 || STM32F030 || STM32F030xC */ /*256K Flash devices */
+ #define IS_FLASH_PROGRAM_ADDRESS(ADDRESS) (((ADDRESS) >= 0x08000000) && ((ADDRESS) <= 0x0800FFFF))
+#endif /* STM32F042 || STM32F031 || STM32F070x6 */
+/**
+ * @}
+ */
+
+/** @defgroup FLASH_OB_DATA_ADDRESS
+ * @{
+ */
+#define IS_OB_DATA_ADDRESS(ADDRESS) (((ADDRESS) == 0x1FFFF804) || ((ADDRESS) == 0x1FFFF806))
+
+/**
+ * @}
+ */
+
+/** @defgroup FLASH_Option_Bytes_Write_Protection
+ * @{
+ */
+
+#if !defined (STM32F072) && !defined (STM32F070xB) && !defined (STM32F091) && !defined (STM32F030) && !defined (STM32F030xC) /* 32K and 64K Flash devices */
+#define OB_WRP_Pages0to3 ((uint32_t)0x00000001) /* Write protection of page 0 to 3 */
+#define OB_WRP_Pages4to7 ((uint32_t)0x00000002) /* Write protection of page 4 to 7 */
+#define OB_WRP_Pages8to11 ((uint32_t)0x00000004) /* Write protection of page 8 to 11 */
+#define OB_WRP_Pages12to15 ((uint32_t)0x00000008) /* Write protection of page 12 to 15 */
+#define OB_WRP_Pages16to19 ((uint32_t)0x00000010) /* Write protection of page 16 to 19 */
+#define OB_WRP_Pages20to23 ((uint32_t)0x00000020) /* Write protection of page 20 to 23 */
+#define OB_WRP_Pages24to27 ((uint32_t)0x00000040) /* Write protection of page 24 to 27 */
+#define OB_WRP_Pages28to31 ((uint32_t)0x00000080) /* Write protection of page 28 to 31 */
+#define OB_WRP_Pages32to35 ((uint32_t)0x00000100) /* Write protection of page 32 to 35 */
+#define OB_WRP_Pages36to39 ((uint32_t)0x00000200) /* Write protection of page 36 to 39 */
+#define OB_WRP_Pages40to43 ((uint32_t)0x00000400) /* Write protection of page 40 to 43 */
+#define OB_WRP_Pages44to47 ((uint32_t)0x00000800) /* Write protection of page 44 to 47 */
+#define OB_WRP_Pages48to51 ((uint32_t)0x00001000) /* Write protection of page 48 to 51 */
+#define OB_WRP_Pages52to55 ((uint32_t)0x00002000) /* Write protection of page 52 to 55 */
+#define OB_WRP_Pages56to59 ((uint32_t)0x00004000) /* Write protection of page 56 to 59 */
+#define OB_WRP_Pages60to63 ((uint32_t)0x00008000) /* Write protection of page 60 to 63 */
+
+#define OB_WRP_AllPages ((uint32_t)0x0000FFFF) /*!< Write protection of all Sectors */
+
+#define IS_OB_WRP(PAGE) (((PAGE) != 0x0000000))
+
+#else /* 128K and 256K Flash devices */
+
+#define OB_WRP_Pages0to1 ((uint32_t)0x00000001) /* Write protection of page 0 to 1 */
+#define OB_WRP_Pages2to3 ((uint32_t)0x00000002) /* Write protection of page 2 to 3 */
+#define OB_WRP_Pages4to5 ((uint32_t)0x00000004) /* Write protection of page 4 to 5 */
+#define OB_WRP_Pages6to7 ((uint32_t)0x00000008) /* Write protection of page 6 to 7 */
+#define OB_WRP_Pages8to9 ((uint32_t)0x00000010) /* Write protection of page 8 to 9 */
+#define OB_WRP_Pages10to11 ((uint32_t)0x00000020) /* Write protection of page 10 to 11 */
+#define OB_WRP_Pages12to13 ((uint32_t)0x00000040) /* Write protection of page 12 to 13 */
+#define OB_WRP_Pages14to15 ((uint32_t)0x00000080) /* Write protection of page 14 to 15 */
+#define OB_WRP_Pages16to17 ((uint32_t)0x00000100) /* Write protection of page 16 to 17 */
+#define OB_WRP_Pages18to19 ((uint32_t)0x00000200) /* Write protection of page 18 to 19 */
+#define OB_WRP_Pages20to21 ((uint32_t)0x00000400) /* Write protection of page 20 to 21 */
+#define OB_WRP_Pages22to23 ((uint32_t)0x00000800) /* Write protection of page 22 to 23 */
+#define OB_WRP_Pages24to25 ((uint32_t)0x00001000) /* Write protection of page 24 to 25 */
+#define OB_WRP_Pages26to27 ((uint32_t)0x00002000) /* Write protection of page 26 to 27 */
+#define OB_WRP_Pages28to29 ((uint32_t)0x00004000) /* Write protection of page 28 to 29 */
+#define OB_WRP_Pages30to31 ((uint32_t)0x00008000) /* Write protection of page 30 to 31 */
+#define OB_WRP_Pages32to33 ((uint32_t)0x00010000) /* Write protection of page 32 to 33 */
+#define OB_WRP_Pages34to35 ((uint32_t)0x00020000) /* Write protection of page 34 to 35 */
+#define OB_WRP_Pages36to37 ((uint32_t)0x00040000) /* Write protection of page 36 to 37 */
+#define OB_WRP_Pages38to39 ((uint32_t)0x00080000) /* Write protection of page 38 to 39 */
+#define OB_WRP_Pages40to41 ((uint32_t)0x00100000) /* Write protection of page 40 to 41 */
+#define OB_WRP_Pages42to43 ((uint32_t)0x00200000) /* Write protection of page 42 to 43 */
+#define OB_WRP_Pages44to45 ((uint32_t)0x00400000) /* Write protection of page 44 to 45 */
+#define OB_WRP_Pages46to47 ((uint32_t)0x00800000) /* Write protection of page 46 to 47 */
+#define OB_WRP_Pages48to49 ((uint32_t)0x01000000) /* Write protection of page 48 to 49 */
+#define OB_WRP_Pages50to51 ((uint32_t)0x02000000) /* Write protection of page 50 to 51 */
+#define OB_WRP_Pages52to53 ((uint32_t)0x04000000) /* Write protection of page 52 to 53 */
+#define OB_WRP_Pages54to55 ((uint32_t)0x08000000) /* Write protection of page 54 to 55 */
+#define OB_WRP_Pages56to57 ((uint32_t)0x10000000) /* Write protection of page 56 to 57 */
+#define OB_WRP_Pages58to59 ((uint32_t)0x20000000) /* Write protection of page 58 to 59 */
+#define OB_WRP_Pages60to61 ((uint32_t)0x40000000) /* Write protection of page 60 to 61 */
+
+#if defined(STM32F091) || defined(STM32F030xC) /* 256K Flash devices */
+#define OB_WRP_Pages62to127 ((uint32_t)0x80000000) /* Write protection of page 62 to 127 */
+#else /* 128K Flash devices */
+#define OB_WRP_Pages62to63 ((uint32_t)0x80000000) /* Write protection of page 62 to 63 */
+#endif /* STM32F091 || STM32F030xC */
+#define OB_WRP_AllPages ((uint32_t)0xFFFFFFFF) /*!< Write protection of all Sectors */
+#define IS_OB_WRP(PAGE) (((PAGE) != 0x0000000))
+
+#endif /* STM32F072 || STM32F070xB || STM32F091 || STM32F030 || STM32F030xC */
+/**
+ * @}
+ */
+
+/** @defgroup FLASH_Option_Bytes_Read_Protection
+ * @{
+ */
+
+/**
+ * @brief FLASH_Read Protection Level
+ */
+#define OB_RDP_Level_0 ((uint8_t)0xAA)
+#define OB_RDP_Level_1 ((uint8_t)0xBB)
+/*#define OB_RDP_Level_2 ((uint8_t)0xCC)*/ /* Warning: When enabling read protection level 2
+ it's no more possible to go back to level 1 or 0 */
+
+#define IS_OB_RDP(LEVEL) (((LEVEL) == OB_RDP_Level_0)||\
+ ((LEVEL) == OB_RDP_Level_1))/*||\
+ ((LEVEL) == OB_RDP_Level_2))*/
+/**
+ * @}
+ */
+
+/** @defgroup FLASH_Option_Bytes_IWatchdog
+ * @{
+ */
+
+#define OB_IWDG_SW ((uint8_t)0x01) /*!< Software IWDG selected */
+#define OB_IWDG_HW ((uint8_t)0x00) /*!< Hardware IWDG selected */
+#define IS_OB_IWDG_SOURCE(SOURCE) (((SOURCE) == OB_IWDG_SW) || ((SOURCE) == OB_IWDG_HW))
+
+/**
+ * @}
+ */
+
+/** @defgroup FLASH_Option_Bytes_nRST_STOP
+ * @{
+ */
+
+#define OB_STOP_NoRST ((uint8_t)0x02) /*!< No reset generated when entering in STOP */
+#define OB_STOP_RST ((uint8_t)0x00) /*!< Reset generated when entering in STOP */
+#define IS_OB_STOP_SOURCE(SOURCE) (((SOURCE) == OB_STOP_NoRST) || ((SOURCE) == OB_STOP_RST))
+
+/**
+ * @}
+ */
+
+/** @defgroup FLASH_Option_Bytes_nRST_STDBY
+ * @{
+ */
+
+#define OB_STDBY_NoRST ((uint8_t)0x04) /*!< No reset generated when entering in STANDBY */
+#define OB_STDBY_RST ((uint8_t)0x00) /*!< Reset generated when entering in STANDBY */
+#define IS_OB_STDBY_SOURCE(SOURCE) (((SOURCE) == OB_STDBY_NoRST) || ((SOURCE) == OB_STDBY_RST))
+
+/**
+ * @}
+ */
+
+/** @defgroup FLASH_Option_Bytes_BOOT1
+ * @{
+ */
+
+#define OB_BOOT1_RESET ((uint8_t)0x00) /*!< BOOT1 Reset */
+#define OB_BOOT1_SET ((uint8_t)0x10) /*!< BOOT1 Set */
+#define IS_OB_BOOT1(BOOT1) (((BOOT1) == OB_BOOT1_RESET) || ((BOOT1) == OB_BOOT1_SET))
+
+/**
+ * @}
+ */
+
+/** @defgroup FLASH_Option_Bytes_BOOT0
+ * @{
+ */
+
+#define OB_BOOT0_RESET ((uint8_t)0x00) /*!< BOOT0 Reset */
+#define OB_BOOT0_SET ((uint8_t)0x08) /*!< BOOT0 Set */
+#define IS_OB_BOOT0(BOOT0) (((BOOT0) == OB_BOOT0_RESET) || ((BOOT0) == OB_BOOT0_SET))
+
+/**
+ * @}
+ */
+
+/** @defgroup FLASH_Option_Bytes_BOOT0SW
+ * @{
+ */
+
+#define OB_BOOT0_SW ((uint8_t)0x00) /*!< BOOT0 pin disabled */
+#define OB_BOOT0_HW ((uint8_t)0x80) /*!< BOOT0 pin bonded with GPIO */
+#define IS_OB_BOOT0SW(BOOT0) (((BOOT0) == OB_BOOT0_SW) || ((BOOT0) == OB_BOOT0_HW))
+
+/**
+ * @}
+ */
+
+/** @defgroup FLASH_Option_Bytes_VDDA_Analog_Monitoring
+ * @{
+ */
+
+#define OB_VDDA_ANALOG_ON ((uint8_t)0x20) /*!< Analog monitoring on VDDA Power source ON */
+#define OB_VDDA_ANALOG_OFF ((uint8_t)0x00) /*!< Analog monitoring on VDDA Power source OFF */
+
+#define IS_OB_VDDA_ANALOG(ANALOG) (((ANALOG) == OB_VDDA_ANALOG_ON) || ((ANALOG) == OB_VDDA_ANALOG_OFF))
+
+/**
+ * @}
+ */
+
+/** @defgroup FLASH_Option_Bytes_SRAM_Parity_Enable
+ * @{
+ */
+
+#define OB_SRAM_PARITY_SET ((uint8_t)0x00) /*!< SRAM parity enable Set */
+#define OB_SRAM_PARITY_RESET ((uint8_t)0x40) /*!< SRAM parity enable reset */
+
+#define IS_OB_SRAM_PARITY(PARITY) (((PARITY) == OB_SRAM_PARITY_SET) || ((PARITY) == OB_SRAM_PARITY_RESET))
+
+/**
+ * @}
+ */
+
+/** @defgroup FLASH_Flags
+ * @{
+ */
+
+#define FLASH_FLAG_BSY FLASH_SR_BSY /*!< FLASH Busy flag */
+#define FLASH_FLAG_PGERR FLASH_SR_PGERR /*!< FLASH Programming error flag */
+#define FLASH_FLAG_WRPERR FLASH_SR_WRPERR /*!< FLASH Write protected error flag */
+#define FLASH_FLAG_EOP FLASH_SR_EOP /*!< FLASH End of Programming flag */
+
+#define IS_FLASH_CLEAR_FLAG(FLAG) ((((FLAG) & (uint32_t)0xFFFFFFCB) == 0x00000000) && ((FLAG) != 0x00000000))
+
+#define IS_FLASH_GET_FLAG(FLAG) (((FLAG) == FLASH_FLAG_BSY) || ((FLAG) == FLASH_FLAG_PGERR) || \
+ ((FLAG) == FLASH_FLAG_WRPERR) || ((FLAG) == FLASH_FLAG_EOP))
+/**
+ * @}
+ */
+
+/** @defgroup FLASH_Timeout_definition
+ * @{
+ */
+#define FLASH_ER_PRG_TIMEOUT ((uint32_t)0x000B0000)
+
+/**
+ * @}
+ */
+
+/** @defgroup FLASH_Legacy
+ * @{
+ */
+#define FLASH_WRProt_Pages0to3 OB_WRP_Pages0to3
+#define FLASH_WRProt_Pages4to7 OB_WRP_Pages4to7
+#define FLASH_WRProt_Pages8to11 OB_WRP_Pages8to11
+#define FLASH_WRProt_Pages12to15 OB_WRP_Pages12to15
+#define FLASH_WRProt_Pages16to19 OB_WRP_Pages16to19
+#define FLASH_WRProt_Pages20to23 OB_WRP_Pages20to23
+#define FLASH_WRProt_Pages24to27 OB_WRP_Pages24to27
+#define FLASH_WRProt_Pages28to31 OB_WRP_Pages28to31
+#define FLASH_WRProt_Pages32to35 OB_WRP_Pages32to35
+#define FLASH_WRProt_Pages36to39 OB_WRP_Pages36to39
+#define FLASH_WRProt_Pages40to43 OB_WRP_Pages40to21
+#define FLASH_WRProt_Pages44to47 OB_WRP_Pages44to23
+#define FLASH_WRProt_Pages48to51 OB_WRP_Pages48to51
+#define FLASH_WRProt_Pages52to55 OB_WRP_Pages52to55
+#define FLASH_WRProt_Pages56to59 OB_WRP_Pages56to59
+#define FLASH_WRProt_Pages60to63 OB_WRP_Pages60to63
+
+
+#define FLASH_WRProt_AllPages OB_WRP_AllPages
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+
+/**
+ * @brief FLASH memory functions that can be executed from FLASH.
+ */
+/* FLASH Interface configuration functions ************************************/
+void FLASH_SetLatency(uint32_t FLASH_Latency);
+void FLASH_PrefetchBufferCmd(FunctionalState NewState);
+FlagStatus FLASH_GetPrefetchBufferStatus(void);
+
+/* FLASH Memory Programming functions *****************************************/
+void FLASH_Unlock(void);
+void FLASH_Lock(void);
+FLASH_Status FLASH_ErasePage(uint32_t Page_Address);
+FLASH_Status FLASH_EraseAllPages(void);
+FLASH_Status FLASH_ProgramWord(uint32_t Address, uint32_t Data);
+FLASH_Status FLASH_ProgramHalfWord(uint32_t Address, uint16_t Data);
+
+/* FLASH Option Bytes Programming functions *****************************************/
+void FLASH_OB_Unlock(void);
+void FLASH_OB_Lock(void);
+void FLASH_OB_Launch(void);
+FLASH_Status FLASH_OB_Erase(void);
+FLASH_Status FLASH_OB_EnableWRP(uint32_t OB_WRP);
+FLASH_Status FLASH_OB_RDPConfig(uint8_t OB_RDP);
+FLASH_Status FLASH_OB_UserConfig(uint8_t OB_IWDG, uint8_t OB_STOP, uint8_t OB_STDBY);
+FLASH_Status FLASH_OB_BOOTConfig(uint8_t OB_BOOT1);
+FLASH_Status FLASH_OB_BOOT0Config(uint8_t OB_BOOT0);
+FLASH_Status FLASH_OB_BOOT0SWConfig(uint8_t OB_BOOT0SW);
+FLASH_Status FLASH_OB_VDDAConfig(uint8_t OB_VDDA_ANALOG);
+FLASH_Status FLASH_OB_SRAMParityConfig(uint8_t OB_SRAM_Parity);
+FLASH_Status FLASH_OB_WriteUser(uint8_t OB_USER);
+FLASH_Status FLASH_OB_ProgramData(uint32_t Address, uint8_t Data);
+uint8_t FLASH_OB_GetUser(void);
+uint32_t FLASH_OB_GetWRP(void);
+FlagStatus FLASH_OB_GetRDP(void);
+
+/* FLASH Interrupts and flags management functions **********************************/
+void FLASH_ITConfig(uint32_t FLASH_IT, FunctionalState NewState);
+FlagStatus FLASH_GetFlagStatus(uint32_t FLASH_FLAG);
+void FLASH_ClearFlag(uint32_t FLASH_FLAG);
+FLASH_Status FLASH_GetStatus(void);
+FLASH_Status FLASH_WaitForLastOperation(uint32_t Timeout);
+
+/** @defgroup FLASH_Legacy
+ * @{
+ */
+#define FLASH_EraseOptionBytes FLASH_OB_Erase
+#define FLASH_EnableWriteProtection FLASH_OB_EnableWRP
+#define FLASH_UserOptionByteConfig FLASH_OB_UserConfig
+#define FLASH_ProgramOptionByteData FLASH_OB_ProgramData
+#define FLASH_GetUserOptionByte FLASH_OB_GetUser
+#define FLASH_GetWriteProtectionOptionByte FLASH_OB_GetWRP
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F0XX_FLASH_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_gpio.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_gpio.h
new file mode 100644
index 00000000..8a2aa9be
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_gpio.h
@@ -0,0 +1,358 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_gpio.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the GPIO
+ * firmware library.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_GPIO_H
+#define __STM32F0XX_GPIO_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup GPIO
+ * @{
+ */
+/* Exported types ------------------------------------------------------------*/
+
+#define IS_GPIO_ALL_PERIPH(PERIPH) (((PERIPH) == GPIOA) || \
+ ((PERIPH) == GPIOB) || \
+ ((PERIPH) == GPIOC) || \
+ ((PERIPH) == GPIOD) || \
+ ((PERIPH) == GPIOE) || \
+ ((PERIPH) == GPIOF))
+
+#define IS_GPIO_LIST_PERIPH(PERIPH) (((PERIPH) == GPIOA) || \
+ ((PERIPH) == GPIOB))
+
+/** @defgroup Configuration_Mode_enumeration
+ * @{
+ */
+typedef enum
+{
+ GPIO_Mode_IN = 0x00, /*!< GPIO Input Mode */
+ GPIO_Mode_OUT = 0x01, /*!< GPIO Output Mode */
+ GPIO_Mode_AF = 0x02, /*!< GPIO Alternate function Mode */
+ GPIO_Mode_AN = 0x03 /*!< GPIO Analog In/Out Mode */
+}GPIOMode_TypeDef;
+
+#define IS_GPIO_MODE(MODE) (((MODE) == GPIO_Mode_IN)|| ((MODE) == GPIO_Mode_OUT) || \
+ ((MODE) == GPIO_Mode_AF)|| ((MODE) == GPIO_Mode_AN))
+/**
+ * @}
+ */
+
+/** @defgroup Output_type_enumeration
+ * @{
+ */
+typedef enum
+{
+ GPIO_OType_PP = 0x00,
+ GPIO_OType_OD = 0x01
+}GPIOOType_TypeDef;
+
+#define IS_GPIO_OTYPE(OTYPE) (((OTYPE) == GPIO_OType_PP) || ((OTYPE) == GPIO_OType_OD))
+
+/**
+ * @}
+ */
+
+/** @defgroup Output_Maximum_frequency_enumeration
+ * @{
+ */
+typedef enum
+{
+ GPIO_Speed_Level_1 = 0x00, /*!< I/O output speed: Low 2 MHz */
+ GPIO_Speed_Level_2 = 0x01, /*!< I/O output speed: Medium 10 MHz */
+ GPIO_Speed_Level_3 = 0x03 /*!< I/O output speed: High 50 MHz */
+}GPIOSpeed_TypeDef;
+
+#define IS_GPIO_SPEED(SPEED) (((SPEED) == GPIO_Speed_Level_1) || ((SPEED) == GPIO_Speed_Level_2) || \
+ ((SPEED) == GPIO_Speed_Level_3))
+/**
+ * @}
+ */
+
+/** @defgroup Configuration_Pull-Up_Pull-Down_enumeration
+ * @{
+ */
+typedef enum
+{
+ GPIO_PuPd_NOPULL = 0x00,
+ GPIO_PuPd_UP = 0x01,
+ GPIO_PuPd_DOWN = 0x02
+}GPIOPuPd_TypeDef;
+
+#define IS_GPIO_PUPD(PUPD) (((PUPD) == GPIO_PuPd_NOPULL) || ((PUPD) == GPIO_PuPd_UP) || \
+ ((PUPD) == GPIO_PuPd_DOWN))
+/**
+ * @}
+ */
+
+/** @defgroup Bit_SET_and_Bit_RESET_enumeration
+ * @{
+ */
+typedef enum
+{
+ Bit_RESET = 0,
+ Bit_SET
+}BitAction;
+
+#define IS_GPIO_BIT_ACTION(ACTION) (((ACTION) == Bit_RESET) || ((ACTION) == Bit_SET))
+/**
+ * @}
+ */
+
+/**
+ * @brief GPIO Init structure definition
+ */
+typedef struct
+{
+ uint32_t GPIO_Pin; /*!< Specifies the GPIO pins to be configured.
+ This parameter can be any value of @ref GPIO_pins_define */
+
+ GPIOMode_TypeDef GPIO_Mode; /*!< Specifies the operating mode for the selected pins.
+ This parameter can be a value of @ref GPIOMode_TypeDef */
+
+ GPIOSpeed_TypeDef GPIO_Speed; /*!< Specifies the speed for the selected pins.
+ This parameter can be a value of @ref GPIOSpeed_TypeDef */
+
+ GPIOOType_TypeDef GPIO_OType; /*!< Specifies the operating output type for the selected pins.
+ This parameter can be a value of @ref GPIOOType_TypeDef */
+
+ GPIOPuPd_TypeDef GPIO_PuPd; /*!< Specifies the operating Pull-up/Pull down for the selected pins.
+ This parameter can be a value of @ref GPIOPuPd_TypeDef */
+}GPIO_InitTypeDef;
+
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup GPIO_Exported_Constants
+ * @{
+ */
+
+/** @defgroup GPIO_pins_define
+ * @{
+ */
+#define GPIO_Pin_0 ((uint16_t)0x0001) /*!< Pin 0 selected */
+#define GPIO_Pin_1 ((uint16_t)0x0002) /*!< Pin 1 selected */
+#define GPIO_Pin_2 ((uint16_t)0x0004) /*!< Pin 2 selected */
+#define GPIO_Pin_3 ((uint16_t)0x0008) /*!< Pin 3 selected */
+#define GPIO_Pin_4 ((uint16_t)0x0010) /*!< Pin 4 selected */
+#define GPIO_Pin_5 ((uint16_t)0x0020) /*!< Pin 5 selected */
+#define GPIO_Pin_6 ((uint16_t)0x0040) /*!< Pin 6 selected */
+#define GPIO_Pin_7 ((uint16_t)0x0080) /*!< Pin 7 selected */
+#define GPIO_Pin_8 ((uint16_t)0x0100) /*!< Pin 8 selected */
+#define GPIO_Pin_9 ((uint16_t)0x0200) /*!< Pin 9 selected */
+#define GPIO_Pin_10 ((uint16_t)0x0400) /*!< Pin 10 selected */
+#define GPIO_Pin_11 ((uint16_t)0x0800) /*!< Pin 11 selected */
+#define GPIO_Pin_12 ((uint16_t)0x1000) /*!< Pin 12 selected */
+#define GPIO_Pin_13 ((uint16_t)0x2000) /*!< Pin 13 selected */
+#define GPIO_Pin_14 ((uint16_t)0x4000) /*!< Pin 14 selected */
+#define GPIO_Pin_15 ((uint16_t)0x8000) /*!< Pin 15 selected */
+#define GPIO_Pin_All ((uint16_t)0xFFFF) /*!< All pins selected */
+
+#define IS_GPIO_PIN(PIN) ((PIN) != (uint16_t)0x00)
+
+#define IS_GET_GPIO_PIN(PIN) (((PIN) == GPIO_Pin_0) || \
+ ((PIN) == GPIO_Pin_1) || \
+ ((PIN) == GPIO_Pin_2) || \
+ ((PIN) == GPIO_Pin_3) || \
+ ((PIN) == GPIO_Pin_4) || \
+ ((PIN) == GPIO_Pin_5) || \
+ ((PIN) == GPIO_Pin_6) || \
+ ((PIN) == GPIO_Pin_7) || \
+ ((PIN) == GPIO_Pin_8) || \
+ ((PIN) == GPIO_Pin_9) || \
+ ((PIN) == GPIO_Pin_10) || \
+ ((PIN) == GPIO_Pin_11) || \
+ ((PIN) == GPIO_Pin_12) || \
+ ((PIN) == GPIO_Pin_13) || \
+ ((PIN) == GPIO_Pin_14) || \
+ ((PIN) == GPIO_Pin_15))
+
+/**
+ * @}
+ */
+
+/** @defgroup GPIO_Pin_sources
+ * @{
+ */
+#define GPIO_PinSource0 ((uint8_t)0x00)
+#define GPIO_PinSource1 ((uint8_t)0x01)
+#define GPIO_PinSource2 ((uint8_t)0x02)
+#define GPIO_PinSource3 ((uint8_t)0x03)
+#define GPIO_PinSource4 ((uint8_t)0x04)
+#define GPIO_PinSource5 ((uint8_t)0x05)
+#define GPIO_PinSource6 ((uint8_t)0x06)
+#define GPIO_PinSource7 ((uint8_t)0x07)
+#define GPIO_PinSource8 ((uint8_t)0x08)
+#define GPIO_PinSource9 ((uint8_t)0x09)
+#define GPIO_PinSource10 ((uint8_t)0x0A)
+#define GPIO_PinSource11 ((uint8_t)0x0B)
+#define GPIO_PinSource12 ((uint8_t)0x0C)
+#define GPIO_PinSource13 ((uint8_t)0x0D)
+#define GPIO_PinSource14 ((uint8_t)0x0E)
+#define GPIO_PinSource15 ((uint8_t)0x0F)
+
+#define IS_GPIO_PIN_SOURCE(PINSOURCE) (((PINSOURCE) == GPIO_PinSource0) || \
+ ((PINSOURCE) == GPIO_PinSource1) || \
+ ((PINSOURCE) == GPIO_PinSource2) || \
+ ((PINSOURCE) == GPIO_PinSource3) || \
+ ((PINSOURCE) == GPIO_PinSource4) || \
+ ((PINSOURCE) == GPIO_PinSource5) || \
+ ((PINSOURCE) == GPIO_PinSource6) || \
+ ((PINSOURCE) == GPIO_PinSource7) || \
+ ((PINSOURCE) == GPIO_PinSource8) || \
+ ((PINSOURCE) == GPIO_PinSource9) || \
+ ((PINSOURCE) == GPIO_PinSource10) || \
+ ((PINSOURCE) == GPIO_PinSource11) || \
+ ((PINSOURCE) == GPIO_PinSource12) || \
+ ((PINSOURCE) == GPIO_PinSource13) || \
+ ((PINSOURCE) == GPIO_PinSource14) || \
+ ((PINSOURCE) == GPIO_PinSource15))
+/**
+ * @}
+ */
+
+/** @defgroup GPIO_Alternate_function_selection_define
+ * @{
+ */
+
+/**
+ * @brief AF 0 selection
+ */
+#define GPIO_AF_0 ((uint8_t)0x00) /* WKUP, EVENTOUT, TIM15, SPI1, TIM17,
+ MCO, SWDAT, SWCLK, TIM14, BOOT,
+ USART1, CEC, IR_OUT, SPI2, TS, TIM3,
+ USART4, CAN, TIM3, USART2, USART3,
+ CRS, TIM16, TIM1 */
+/**
+ * @brief AF 1 selection
+ */
+#define GPIO_AF_1 ((uint8_t)0x01) /* USART2, CEC, TIM3, USART1, IR,
+ EVENTOUT, I2C1, I2C2, TIM15, SPI2,
+ USART3, TS, SPI1 */
+/**
+ * @brief AF 2 selection
+ */
+#define GPIO_AF_2 ((uint8_t)0x02) /* TIM2, TIM1, EVENTOUT, TIM16, TIM17,
+ USB */
+/**
+ * @brief AF 3 selection
+ */
+#define GPIO_AF_3 ((uint8_t)0x03) /* TS, I2C1, TIM15, EVENTOUT */
+
+/**
+ * @brief AF 4 selection
+ */
+#define GPIO_AF_4 ((uint8_t)0x04) /* TIM14, USART4, USART3, CRS, CAN,
+ I2C1 */
+
+/**
+ * @brief AF 5 selection
+ */
+#define GPIO_AF_5 ((uint8_t)0x05) /* TIM16, TIM17, TIM15, SPI2, I2C2,
+ MCO, I2C1, USB */
+
+/**
+ * @brief AF 6 selection
+ */
+#define GPIO_AF_6 ((uint8_t)0x06) /* EVENTOUT */
+/**
+ * @brief AF 7 selection
+ */
+#define GPIO_AF_7 ((uint8_t)0x07) /* COMP1 OUT and COMP2 OUT */
+
+#define IS_GPIO_AF(AF) (((AF) == GPIO_AF_0) || ((AF) == GPIO_AF_1) || \
+ ((AF) == GPIO_AF_2) || ((AF) == GPIO_AF_3) || \
+ ((AF) == GPIO_AF_4) || ((AF) == GPIO_AF_5) || \
+ ((AF) == GPIO_AF_6) || ((AF) == GPIO_AF_7))
+
+/**
+ * @}
+ */
+
+/** @defgroup GPIO_Speed_Legacy
+ * @{
+ */
+
+#define GPIO_Speed_2MHz GPIO_Speed_Level_1 /*!< I/O output speed: Low 2 MHz */
+#define GPIO_Speed_10MHz GPIO_Speed_Level_2 /*!< I/O output speed: Medium 10 MHz */
+#define GPIO_Speed_50MHz GPIO_Speed_Level_3 /*!< I/O output speed: High 50 MHz */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+/* Function used to set the GPIO configuration to the default reset state *****/
+void GPIO_DeInit(GPIO_TypeDef* GPIOx);
+
+/* Initialization and Configuration functions *********************************/
+void GPIO_Init(GPIO_TypeDef* GPIOx, GPIO_InitTypeDef* GPIO_InitStruct);
+void GPIO_StructInit(GPIO_InitTypeDef* GPIO_InitStruct);
+void GPIO_PinLockConfig(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
+
+/* GPIO Read and Write functions **********************************************/
+uint8_t GPIO_ReadInputDataBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
+uint16_t GPIO_ReadInputData(GPIO_TypeDef* GPIOx);
+uint8_t GPIO_ReadOutputDataBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
+uint16_t GPIO_ReadOutputData(GPIO_TypeDef* GPIOx);
+void GPIO_SetBits(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
+void GPIO_ResetBits(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
+void GPIO_WriteBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin, BitAction BitVal);
+void GPIO_Write(GPIO_TypeDef* GPIOx, uint16_t PortVal);
+
+/* GPIO Alternate functions configuration functions ***************************/
+void GPIO_PinAFConfig(GPIO_TypeDef* GPIOx, uint16_t GPIO_PinSource, uint8_t GPIO_AF);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F0XX_GPIO_H */
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_i2c.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_i2c.h
new file mode 100644
index 00000000..12247991
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_i2c.h
@@ -0,0 +1,478 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_i2c.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the I2C firmware
+ * library
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_I2C_H
+#define __STM32F0XX_I2C_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup I2C
+ * @{
+ */
+
+/* Exported types ------------------------------------------------------------*/
+
+/**
+ * @brief I2C Init structure definition
+ */
+
+typedef struct
+{
+ uint32_t I2C_Timing; /*!< Specifies the I2C_TIMINGR_register value.
+ This parameter must be set by referring to I2C_Timing_Config_Tool*/
+
+ uint32_t I2C_AnalogFilter; /*!< Enables or disables analog noise filter.
+ This parameter can be a value of @ref I2C_Analog_Filter*/
+
+ uint32_t I2C_DigitalFilter; /*!< Configures the digital noise filter.
+ This parameter can be a number between 0x00 and 0x0F*/
+
+ uint32_t I2C_Mode; /*!< Specifies the I2C mode.
+ This parameter can be a value of @ref I2C_mode*/
+
+ uint32_t I2C_OwnAddress1; /*!< Specifies the device own address 1.
+ This parameter can be a 7-bit or 10-bit address*/
+
+ uint32_t I2C_Ack; /*!< Enables or disables the acknowledgement.
+ This parameter can be a value of @ref I2C_acknowledgement*/
+
+ uint32_t I2C_AcknowledgedAddress; /*!< Specifies if 7-bit or 10-bit address is acknowledged.
+ This parameter can be a value of @ref I2C_acknowledged_address*/
+}I2C_InitTypeDef;
+
+/* Exported constants --------------------------------------------------------*/
+
+
+/** @defgroup I2C_Exported_Constants
+ * @{
+ */
+
+#define IS_I2C_ALL_PERIPH(PERIPH) (((PERIPH) == I2C1) || \
+ ((PERIPH) == I2C2))
+
+#define IS_I2C_1_PERIPH(PERIPH) ((PERIPH) == I2C1)
+
+/** @defgroup I2C_Analog_Filter
+ * @{
+ */
+
+#define I2C_AnalogFilter_Enable ((uint32_t)0x00000000)
+#define I2C_AnalogFilter_Disable I2C_CR1_ANFOFF
+
+#define IS_I2C_ANALOG_FILTER(FILTER) (((FILTER) == I2C_AnalogFilter_Enable) || \
+ ((FILTER) == I2C_AnalogFilter_Disable))
+/**
+ * @}
+ */
+
+/** @defgroup I2C_Digital_Filter
+ * @{
+ */
+
+#define IS_I2C_DIGITAL_FILTER(FILTER) ((FILTER) <= 0x0000000F)
+/**
+ * @}
+ */
+
+/** @defgroup I2C_mode
+ * @{
+ */
+
+#define I2C_Mode_I2C ((uint32_t)0x00000000)
+#define I2C_Mode_SMBusDevice I2C_CR1_SMBDEN
+#define I2C_Mode_SMBusHost I2C_CR1_SMBHEN
+
+#define IS_I2C_MODE(MODE) (((MODE) == I2C_Mode_I2C) || \
+ ((MODE) == I2C_Mode_SMBusDevice) || \
+ ((MODE) == I2C_Mode_SMBusHost))
+/**
+ * @}
+ */
+
+/** @defgroup I2C_acknowledgement
+ * @{
+ */
+
+#define I2C_Ack_Enable ((uint32_t)0x00000000)
+#define I2C_Ack_Disable I2C_CR2_NACK
+
+#define IS_I2C_ACK(ACK) (((ACK) == I2C_Ack_Enable) || \
+ ((ACK) == I2C_Ack_Disable))
+/**
+ * @}
+ */
+
+/** @defgroup I2C_acknowledged_address
+ * @{
+ */
+
+#define I2C_AcknowledgedAddress_7bit ((uint32_t)0x00000000)
+#define I2C_AcknowledgedAddress_10bit I2C_OAR1_OA1MODE
+
+#define IS_I2C_ACKNOWLEDGE_ADDRESS(ADDRESS) (((ADDRESS) == I2C_AcknowledgedAddress_7bit) || \
+ ((ADDRESS) == I2C_AcknowledgedAddress_10bit))
+/**
+ * @}
+ */
+
+/** @defgroup I2C_own_address1
+ * @{
+ */
+
+#define IS_I2C_OWN_ADDRESS1(ADDRESS1) ((ADDRESS1) <= (uint32_t)0x000003FF)
+/**
+ * @}
+ */
+
+/** @defgroup I2C_transfer_direction
+ * @{
+ */
+
+#define I2C_Direction_Transmitter ((uint16_t)0x0000)
+#define I2C_Direction_Receiver ((uint16_t)0x0400)
+
+#define IS_I2C_DIRECTION(DIRECTION) (((DIRECTION) == I2C_Direction_Transmitter) || \
+ ((DIRECTION) == I2C_Direction_Receiver))
+/**
+ * @}
+ */
+
+/** @defgroup I2C_DMA_transfer_requests
+ * @{
+ */
+
+#define I2C_DMAReq_Tx I2C_CR1_TXDMAEN
+#define I2C_DMAReq_Rx I2C_CR1_RXDMAEN
+
+#define IS_I2C_DMA_REQ(REQ) ((((REQ) & (uint32_t)0xFFFF3FFF) == 0x00) && ((REQ) != 0x00))
+/**
+ * @}
+ */
+
+/** @defgroup I2C_slave_address
+ * @{
+ */
+
+#define IS_I2C_SLAVE_ADDRESS(ADDRESS) ((ADDRESS) <= (uint16_t)0x03FF)
+/**
+ * @}
+ */
+
+
+/** @defgroup I2C_own_address2
+ * @{
+ */
+
+#define IS_I2C_OWN_ADDRESS2(ADDRESS2) ((ADDRESS2) <= (uint16_t)0x00FF)
+
+/**
+ * @}
+ */
+
+/** @defgroup I2C_own_address2_mask
+ * @{
+ */
+
+#define I2C_OA2_NoMask ((uint8_t)0x00)
+#define I2C_OA2_Mask01 ((uint8_t)0x01)
+#define I2C_OA2_Mask02 ((uint8_t)0x02)
+#define I2C_OA2_Mask03 ((uint8_t)0x03)
+#define I2C_OA2_Mask04 ((uint8_t)0x04)
+#define I2C_OA2_Mask05 ((uint8_t)0x05)
+#define I2C_OA2_Mask06 ((uint8_t)0x06)
+#define I2C_OA2_Mask07 ((uint8_t)0x07)
+
+#define IS_I2C_OWN_ADDRESS2_MASK(MASK) (((MASK) == I2C_OA2_NoMask) || \
+ ((MASK) == I2C_OA2_Mask01) || \
+ ((MASK) == I2C_OA2_Mask02) || \
+ ((MASK) == I2C_OA2_Mask03) || \
+ ((MASK) == I2C_OA2_Mask04) || \
+ ((MASK) == I2C_OA2_Mask05) || \
+ ((MASK) == I2C_OA2_Mask06) || \
+ ((MASK) == I2C_OA2_Mask07))
+
+/**
+ * @}
+ */
+
+/** @defgroup I2C_timeout
+ * @{
+ */
+
+#define IS_I2C_TIMEOUT(TIMEOUT) ((TIMEOUT) <= (uint16_t)0x0FFF)
+
+/**
+ * @}
+ */
+
+/** @defgroup I2C_registers
+ * @{
+ */
+
+#define I2C_Register_CR1 ((uint8_t)0x00)
+#define I2C_Register_CR2 ((uint8_t)0x04)
+#define I2C_Register_OAR1 ((uint8_t)0x08)
+#define I2C_Register_OAR2 ((uint8_t)0x0C)
+#define I2C_Register_TIMINGR ((uint8_t)0x10)
+#define I2C_Register_TIMEOUTR ((uint8_t)0x14)
+#define I2C_Register_ISR ((uint8_t)0x18)
+#define I2C_Register_ICR ((uint8_t)0x1C)
+#define I2C_Register_PECR ((uint8_t)0x20)
+#define I2C_Register_RXDR ((uint8_t)0x24)
+#define I2C_Register_TXDR ((uint8_t)0x28)
+
+#define IS_I2C_REGISTER(REGISTER) (((REGISTER) == I2C_Register_CR1) || \
+ ((REGISTER) == I2C_Register_CR2) || \
+ ((REGISTER) == I2C_Register_OAR1) || \
+ ((REGISTER) == I2C_Register_OAR2) || \
+ ((REGISTER) == I2C_Register_TIMINGR) || \
+ ((REGISTER) == I2C_Register_TIMEOUTR) || \
+ ((REGISTER) == I2C_Register_ISR) || \
+ ((REGISTER) == I2C_Register_ICR) || \
+ ((REGISTER) == I2C_Register_PECR) || \
+ ((REGISTER) == I2C_Register_RXDR) || \
+ ((REGISTER) == I2C_Register_TXDR))
+/**
+ * @}
+ */
+
+/** @defgroup I2C_interrupts_definition
+ * @{
+ */
+
+#define I2C_IT_ERRI I2C_CR1_ERRIE
+#define I2C_IT_TCI I2C_CR1_TCIE
+#define I2C_IT_STOPI I2C_CR1_STOPIE
+#define I2C_IT_NACKI I2C_CR1_NACKIE
+#define I2C_IT_ADDRI I2C_CR1_ADDRIE
+#define I2C_IT_RXI I2C_CR1_RXIE
+#define I2C_IT_TXI I2C_CR1_TXIE
+
+#define IS_I2C_CONFIG_IT(IT) ((((IT) & (uint32_t)0xFFFFFF01) == 0x00) && ((IT) != 0x00))
+
+/**
+ * @}
+ */
+
+/** @defgroup I2C_flags_definition
+ * @{
+ */
+
+#define I2C_FLAG_TXE I2C_ISR_TXE
+#define I2C_FLAG_TXIS I2C_ISR_TXIS
+#define I2C_FLAG_RXNE I2C_ISR_RXNE
+#define I2C_FLAG_ADDR I2C_ISR_ADDR
+#define I2C_FLAG_NACKF I2C_ISR_NACKF
+#define I2C_FLAG_STOPF I2C_ISR_STOPF
+#define I2C_FLAG_TC I2C_ISR_TC
+#define I2C_FLAG_TCR I2C_ISR_TCR
+#define I2C_FLAG_BERR I2C_ISR_BERR
+#define I2C_FLAG_ARLO I2C_ISR_ARLO
+#define I2C_FLAG_OVR I2C_ISR_OVR
+#define I2C_FLAG_PECERR I2C_ISR_PECERR
+#define I2C_FLAG_TIMEOUT I2C_ISR_TIMEOUT
+#define I2C_FLAG_ALERT I2C_ISR_ALERT
+#define I2C_FLAG_BUSY I2C_ISR_BUSY
+
+#define IS_I2C_CLEAR_FLAG(FLAG) ((((FLAG) & (uint32_t)0xFFFF4000) == 0x00) && ((FLAG) != 0x00))
+
+#define IS_I2C_GET_FLAG(FLAG) (((FLAG) == I2C_FLAG_TXE) || ((FLAG) == I2C_FLAG_TXIS) || \
+ ((FLAG) == I2C_FLAG_RXNE) || ((FLAG) == I2C_FLAG_ADDR) || \
+ ((FLAG) == I2C_FLAG_NACKF) || ((FLAG) == I2C_FLAG_STOPF) || \
+ ((FLAG) == I2C_FLAG_TC) || ((FLAG) == I2C_FLAG_TCR) || \
+ ((FLAG) == I2C_FLAG_BERR) || ((FLAG) == I2C_FLAG_ARLO) || \
+ ((FLAG) == I2C_FLAG_OVR) || ((FLAG) == I2C_FLAG_PECERR) || \
+ ((FLAG) == I2C_FLAG_TIMEOUT) || ((FLAG) == I2C_FLAG_ALERT) || \
+ ((FLAG) == I2C_FLAG_BUSY))
+
+/**
+ * @}
+ */
+
+
+/** @defgroup I2C_interrupts_definition
+ * @{
+ */
+
+#define I2C_IT_TXIS I2C_ISR_TXIS
+#define I2C_IT_RXNE I2C_ISR_RXNE
+#define I2C_IT_ADDR I2C_ISR_ADDR
+#define I2C_IT_NACKF I2C_ISR_NACKF
+#define I2C_IT_STOPF I2C_ISR_STOPF
+#define I2C_IT_TC I2C_ISR_TC
+#define I2C_IT_TCR I2C_ISR_TCR
+#define I2C_IT_BERR I2C_ISR_BERR
+#define I2C_IT_ARLO I2C_ISR_ARLO
+#define I2C_IT_OVR I2C_ISR_OVR
+#define I2C_IT_PECERR I2C_ISR_PECERR
+#define I2C_IT_TIMEOUT I2C_ISR_TIMEOUT
+#define I2C_IT_ALERT I2C_ISR_ALERT
+
+#define IS_I2C_CLEAR_IT(IT) ((((IT) & (uint32_t)0xFFFFC001) == 0x00) && ((IT) != 0x00))
+
+#define IS_I2C_GET_IT(IT) (((IT) == I2C_IT_TXIS) || ((IT) == I2C_IT_RXNE) || \
+ ((IT) == I2C_IT_ADDR) || ((IT) == I2C_IT_NACKF) || \
+ ((IT) == I2C_IT_STOPF) || ((IT) == I2C_IT_TC) || \
+ ((IT) == I2C_IT_TCR) || ((IT) == I2C_IT_BERR) || \
+ ((IT) == I2C_IT_ARLO) || ((IT) == I2C_IT_OVR) || \
+ ((IT) == I2C_IT_PECERR) || ((IT) == I2C_IT_TIMEOUT) || \
+ ((IT) == I2C_IT_ALERT))
+
+
+/**
+ * @}
+ */
+
+/** @defgroup I2C_ReloadEndMode_definition
+ * @{
+ */
+
+#define I2C_Reload_Mode I2C_CR2_RELOAD
+#define I2C_AutoEnd_Mode I2C_CR2_AUTOEND
+#define I2C_SoftEnd_Mode ((uint32_t)0x00000000)
+
+
+#define IS_RELOAD_END_MODE(MODE) (((MODE) == I2C_Reload_Mode) || \
+ ((MODE) == I2C_AutoEnd_Mode) || \
+ ((MODE) == I2C_SoftEnd_Mode))
+
+
+/**
+ * @}
+ */
+
+/** @defgroup I2C_StartStopMode_definition
+ * @{
+ */
+
+#define I2C_No_StartStop ((uint32_t)0x00000000)
+#define I2C_Generate_Stop I2C_CR2_STOP
+#define I2C_Generate_Start_Read (uint32_t)(I2C_CR2_START | I2C_CR2_RD_WRN)
+#define I2C_Generate_Start_Write I2C_CR2_START
+
+
+#define IS_START_STOP_MODE(MODE) (((MODE) == I2C_Generate_Stop) || \
+ ((MODE) == I2C_Generate_Start_Read) || \
+ ((MODE) == I2C_Generate_Start_Write) || \
+ ((MODE) == I2C_No_StartStop))
+
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+
+
+/* Initialization and Configuration functions *********************************/
+void I2C_DeInit(I2C_TypeDef* I2Cx);
+void I2C_Init(I2C_TypeDef* I2Cx, I2C_InitTypeDef* I2C_InitStruct);
+void I2C_StructInit(I2C_InitTypeDef* I2C_InitStruct);
+void I2C_Cmd(I2C_TypeDef* I2Cx, FunctionalState NewState);
+void I2C_SoftwareResetCmd(I2C_TypeDef* I2Cx);
+void I2C_ITConfig(I2C_TypeDef* I2Cx, uint32_t I2C_IT, FunctionalState NewState);
+void I2C_StretchClockCmd(I2C_TypeDef* I2Cx, FunctionalState NewState);
+void I2C_StopModeCmd(I2C_TypeDef* I2Cx, FunctionalState NewState); /*!< not applicable for STM32F030 devices */
+void I2C_DualAddressCmd(I2C_TypeDef* I2Cx, FunctionalState NewState);
+void I2C_OwnAddress2Config(I2C_TypeDef* I2Cx, uint16_t Address, uint8_t Mask);
+void I2C_GeneralCallCmd(I2C_TypeDef* I2Cx, FunctionalState NewState);
+void I2C_SlaveByteControlCmd(I2C_TypeDef* I2Cx, FunctionalState NewState);
+void I2C_SlaveAddressConfig(I2C_TypeDef* I2Cx, uint16_t Address);
+void I2C_10BitAddressingModeCmd(I2C_TypeDef* I2Cx, FunctionalState NewState);
+
+/* Communications handling functions ******************************************/
+void I2C_AutoEndCmd(I2C_TypeDef* I2Cx, FunctionalState NewState);
+void I2C_ReloadCmd(I2C_TypeDef* I2Cx, FunctionalState NewState);
+void I2C_NumberOfBytesConfig(I2C_TypeDef* I2Cx, uint8_t Number_Bytes);
+void I2C_MasterRequestConfig(I2C_TypeDef* I2Cx, uint16_t I2C_Direction);
+void I2C_GenerateSTART(I2C_TypeDef* I2Cx, FunctionalState NewState);
+void I2C_GenerateSTOP(I2C_TypeDef* I2Cx, FunctionalState NewState);
+void I2C_10BitAddressHeaderCmd(I2C_TypeDef* I2Cx, FunctionalState NewState);
+void I2C_AcknowledgeConfig(I2C_TypeDef* I2Cx, FunctionalState NewState);
+uint8_t I2C_GetAddressMatched(I2C_TypeDef* I2Cx);
+uint16_t I2C_GetTransferDirection(I2C_TypeDef* I2Cx);
+void I2C_TransferHandling(I2C_TypeDef* I2Cx, uint16_t Address, uint8_t Number_Bytes, uint32_t ReloadEndMode, uint32_t StartStopMode);
+
+/* SMBUS management functions ************************************************/
+void I2C_SMBusAlertCmd(I2C_TypeDef* I2Cx, FunctionalState NewState);
+void I2C_ClockTimeoutCmd(I2C_TypeDef* I2Cx, FunctionalState NewState);
+void I2C_ExtendedClockTimeoutCmd(I2C_TypeDef* I2Cx, FunctionalState NewState);
+void I2C_IdleClockTimeoutCmd(I2C_TypeDef* I2Cx, FunctionalState NewState);
+void I2C_TimeoutAConfig(I2C_TypeDef* I2Cx, uint16_t Timeout);
+void I2C_TimeoutBConfig(I2C_TypeDef* I2Cx, uint16_t Timeout);
+void I2C_CalculatePEC(I2C_TypeDef* I2Cx, FunctionalState NewState);
+void I2C_PECRequestCmd(I2C_TypeDef* I2Cx, FunctionalState NewState);
+uint8_t I2C_GetPEC(I2C_TypeDef* I2Cx);
+
+/* I2C registers management functions *****************************************/
+uint32_t I2C_ReadRegister(I2C_TypeDef* I2Cx, uint8_t I2C_Register);
+
+/* Data transfers management functions ****************************************/
+void I2C_SendData(I2C_TypeDef* I2Cx, uint8_t Data);
+uint8_t I2C_ReceiveData(I2C_TypeDef* I2Cx);
+
+/* DMA transfers management functions *****************************************/
+void I2C_DMACmd(I2C_TypeDef* I2Cx, uint32_t I2C_DMAReq, FunctionalState NewState);
+
+/* Interrupts and flags management functions **********************************/
+FlagStatus I2C_GetFlagStatus(I2C_TypeDef* I2Cx, uint32_t I2C_FLAG);
+void I2C_ClearFlag(I2C_TypeDef* I2Cx, uint32_t I2C_FLAG);
+ITStatus I2C_GetITStatus(I2C_TypeDef* I2Cx, uint32_t I2C_IT);
+void I2C_ClearITPendingBit(I2C_TypeDef* I2Cx, uint32_t I2C_IT);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*__STM32F0XX_I2C_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_iwdg.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_iwdg.h
new file mode 100644
index 00000000..e65c8ded
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_iwdg.h
@@ -0,0 +1,140 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_iwdg.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the IWDG
+ * firmware library.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_IWDG_H
+#define __STM32F0XX_IWDG_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup IWDG
+ * @{
+ */
+
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup IWDG_Exported_Constants
+ * @{
+ */
+
+/** @defgroup IWDG_WriteAccess
+ * @{
+ */
+
+#define IWDG_WriteAccess_Enable ((uint16_t)0x5555)
+#define IWDG_WriteAccess_Disable ((uint16_t)0x0000)
+#define IS_IWDG_WRITE_ACCESS(ACCESS) (((ACCESS) == IWDG_WriteAccess_Enable) || \
+ ((ACCESS) == IWDG_WriteAccess_Disable))
+/**
+ * @}
+ */
+
+/** @defgroup IWDG_prescaler
+ * @{
+ */
+
+#define IWDG_Prescaler_4 ((uint8_t)0x00)
+#define IWDG_Prescaler_8 ((uint8_t)0x01)
+#define IWDG_Prescaler_16 ((uint8_t)0x02)
+#define IWDG_Prescaler_32 ((uint8_t)0x03)
+#define IWDG_Prescaler_64 ((uint8_t)0x04)
+#define IWDG_Prescaler_128 ((uint8_t)0x05)
+#define IWDG_Prescaler_256 ((uint8_t)0x06)
+#define IS_IWDG_PRESCALER(PRESCALER) (((PRESCALER) == IWDG_Prescaler_4) || \
+ ((PRESCALER) == IWDG_Prescaler_8) || \
+ ((PRESCALER) == IWDG_Prescaler_16) || \
+ ((PRESCALER) == IWDG_Prescaler_32) || \
+ ((PRESCALER) == IWDG_Prescaler_64) || \
+ ((PRESCALER) == IWDG_Prescaler_128)|| \
+ ((PRESCALER) == IWDG_Prescaler_256))
+/**
+ * @}
+ */
+
+/** @defgroup IWDG_Flag
+ * @{
+ */
+
+#define IWDG_FLAG_PVU IWDG_SR_PVU
+#define IWDG_FLAG_RVU IWDG_SR_RVU
+#define IWDG_FLAG_WVU IWDG_SR_WVU
+#define IS_IWDG_FLAG(FLAG) (((FLAG) == IWDG_FLAG_PVU) || ((FLAG) == IWDG_FLAG_RVU) || \
+ ((FLAG) == IWDG_FLAG_WVU))
+
+#define IS_IWDG_RELOAD(RELOAD) ((RELOAD) <= 0xFFF)
+
+#define IS_IWDG_WINDOW_VALUE(VALUE) ((VALUE) <= 0xFFF)
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+
+/* Prescaler and Counter configuration functions ******************************/
+void IWDG_WriteAccessCmd(uint16_t IWDG_WriteAccess);
+void IWDG_SetPrescaler(uint8_t IWDG_Prescaler);
+void IWDG_SetReload(uint16_t Reload);
+void IWDG_ReloadCounter(void);
+void IWDG_SetWindowValue(uint16_t WindowValue);
+
+/* IWDG activation function ***************************************************/
+void IWDG_Enable(void);
+
+/* Flag management function ***************************************************/
+FlagStatus IWDG_GetFlagStatus(uint16_t IWDG_FLAG);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F0XX_IWDG_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_misc.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_misc.h
new file mode 100644
index 00000000..750dc287
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_misc.h
@@ -0,0 +1,143 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_misc.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the miscellaneous
+ * firmware library functions (add-on to CMSIS functions).
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_MISC_H
+#define __STM32F0XX_MISC_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup MISC
+ * @{
+ */
+
+/* Exported types ------------------------------------------------------------*/
+
+/**
+ * @brief NVIC Init Structure definition
+ */
+
+typedef struct
+{
+ uint8_t NVIC_IRQChannel; /*!< Specifies the IRQ channel to be enabled or disabled.
+ This parameter can be a value of @ref IRQn_Type
+ (For the complete STM32 Devices IRQ Channels list,
+ please refer to stm32f0xx.h file) */
+
+ uint8_t NVIC_IRQChannelPriority; /*!< Specifies the priority level for the IRQ channel specified
+ in NVIC_IRQChannel. This parameter can be a value
+ between 0 and 3. */
+
+ FunctionalState NVIC_IRQChannelCmd; /*!< Specifies whether the IRQ channel defined in NVIC_IRQChannel
+ will be enabled or disabled.
+ This parameter can be set either to ENABLE or DISABLE */
+} NVIC_InitTypeDef;
+
+/**
+ *
+@verbatim
+
+@endverbatim
+*/
+
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup MISC_Exported_Constants
+ * @{
+ */
+
+/** @defgroup MISC_System_Low_Power
+ * @{
+ */
+
+#define NVIC_LP_SEVONPEND ((uint8_t)0x10)
+#define NVIC_LP_SLEEPDEEP ((uint8_t)0x04)
+#define NVIC_LP_SLEEPONEXIT ((uint8_t)0x02)
+#define IS_NVIC_LP(LP) (((LP) == NVIC_LP_SEVONPEND) || \
+ ((LP) == NVIC_LP_SLEEPDEEP) || \
+ ((LP) == NVIC_LP_SLEEPONEXIT))
+/**
+ * @}
+ */
+
+/** @defgroup MISC_Preemption_Priority_Group
+ * @{
+ */
+#define IS_NVIC_PRIORITY(PRIORITY) ((PRIORITY) < 0x04)
+
+/**
+ * @}
+ */
+
+/** @defgroup MISC_SysTick_clock_source
+ * @{
+ */
+
+#define SysTick_CLKSource_HCLK_Div8 ((uint32_t)0xFFFFFFFB)
+#define SysTick_CLKSource_HCLK ((uint32_t)0x00000004)
+#define IS_SYSTICK_CLK_SOURCE(SOURCE) (((SOURCE) == SysTick_CLKSource_HCLK) || \
+ ((SOURCE) == SysTick_CLKSource_HCLK_Div8))
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+
+void NVIC_Init(NVIC_InitTypeDef* NVIC_InitStruct);
+void NVIC_SystemLPConfig(uint8_t LowPowerMode, FunctionalState NewState);
+void SysTick_CLKSourceConfig(uint32_t SysTick_CLKSource);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F0XX_MISC_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_pwr.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_pwr.h
new file mode 100644
index 00000000..7044b678
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_pwr.h
@@ -0,0 +1,197 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_pwr.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the PWR firmware
+ * library.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_PWR_H
+#define __STM32F0XX_PWR_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup PWR
+ * @{
+ */
+
+/* Exported types ------------------------------------------------------------*/
+
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup PWR_Exported_Constants
+ * @{
+ */
+
+/** @defgroup PWR_PVD_detection_level
+ * @brief This parameters are only applicable for STM32F051 and STM32F072 devices
+ * @{
+ */
+
+#define PWR_PVDLevel_0 PWR_CR_PLS_LEV0
+#define PWR_PVDLevel_1 PWR_CR_PLS_LEV1
+#define PWR_PVDLevel_2 PWR_CR_PLS_LEV2
+#define PWR_PVDLevel_3 PWR_CR_PLS_LEV3
+#define PWR_PVDLevel_4 PWR_CR_PLS_LEV4
+#define PWR_PVDLevel_5 PWR_CR_PLS_LEV5
+#define PWR_PVDLevel_6 PWR_CR_PLS_LEV6
+#define PWR_PVDLevel_7 PWR_CR_PLS_LEV7
+
+#define IS_PWR_PVD_LEVEL(LEVEL) (((LEVEL) == PWR_PVDLevel_0) || ((LEVEL) == PWR_PVDLevel_1)|| \
+ ((LEVEL) == PWR_PVDLevel_2) || ((LEVEL) == PWR_PVDLevel_3)|| \
+ ((LEVEL) == PWR_PVDLevel_4) || ((LEVEL) == PWR_PVDLevel_5)|| \
+ ((LEVEL) == PWR_PVDLevel_6) || ((LEVEL) == PWR_PVDLevel_7))
+/**
+ * @}
+ */
+
+/** @defgroup PWR_WakeUp_Pins
+ * @{
+ */
+
+#define PWR_WakeUpPin_1 PWR_CSR_EWUP1
+#define PWR_WakeUpPin_2 PWR_CSR_EWUP2
+#define PWR_WakeUpPin_3 PWR_CSR_EWUP3 /*!< only applicable for STM32F072 devices */
+#define PWR_WakeUpPin_4 PWR_CSR_EWUP4 /*!< only applicable for STM32F072 devices */
+#define PWR_WakeUpPin_5 PWR_CSR_EWUP5 /*!< only applicable for STM32F072 devices */
+#define PWR_WakeUpPin_6 PWR_CSR_EWUP6 /*!< only applicable for STM32F072 devices */
+#define PWR_WakeUpPin_7 PWR_CSR_EWUP7 /*!< only applicable for STM32F072 devices */
+#define PWR_WakeUpPin_8 PWR_CSR_EWUP8 /*!< only applicable for STM32F072 devices */
+#define IS_PWR_WAKEUP_PIN(PIN) (((PIN) == PWR_WakeUpPin_1) || ((PIN) == PWR_WakeUpPin_2) || \
+ ((PIN) == PWR_WakeUpPin_3) || ((PIN) == PWR_WakeUpPin_4) || \
+ ((PIN) == PWR_WakeUpPin_5) || ((PIN) == PWR_WakeUpPin_6) || \
+ ((PIN) == PWR_WakeUpPin_7) || ((PIN) == PWR_WakeUpPin_8))
+/**
+ * @}
+ */
+
+
+/** @defgroup PWR_Regulator_state_is_Sleep_STOP_mode
+ * @{
+ */
+
+#define PWR_Regulator_ON ((uint32_t)0x00000000)
+#define PWR_Regulator_LowPower PWR_CR_LPSDSR
+#define IS_PWR_REGULATOR(REGULATOR) (((REGULATOR) == PWR_Regulator_ON) || \
+ ((REGULATOR) == PWR_Regulator_LowPower))
+/**
+ * @}
+ */
+
+/** @defgroup PWR_SLEEP_mode_entry
+ * @{
+ */
+
+#define PWR_SLEEPEntry_WFI ((uint8_t)0x01)
+#define PWR_SLEEPEntry_WFE ((uint8_t)0x02)
+#define IS_PWR_SLEEP_ENTRY(ENTRY) (((ENTRY) == PWR_SLEEPEntry_WFI) || ((ENTRY) == PWR_SLEEPEntry_WFE))
+
+/**
+ * @}
+ */
+
+/** @defgroup PWR_STOP_mode_entry
+ * @{
+ */
+
+#define PWR_STOPEntry_WFI ((uint8_t)0x01)
+#define PWR_STOPEntry_WFE ((uint8_t)0x02)
+#define PWR_STOPEntry_SLEEPONEXIT ((uint8_t)0x03)
+#define IS_PWR_STOP_ENTRY(ENTRY) (((ENTRY) == PWR_STOPEntry_WFI) || ((ENTRY) == PWR_STOPEntry_WFE) ||\
+ ((ENTRY) == PWR_STOPEntry_SLEEPONEXIT))
+
+/**
+ * @}
+ */
+
+/** @defgroup PWR_Flag
+ * @{
+ */
+
+#define PWR_FLAG_WU PWR_CSR_WUF
+#define PWR_FLAG_SB PWR_CSR_SBF
+#define PWR_FLAG_PVDO PWR_CSR_PVDO /*!< Not applicable for STM32F030 devices */
+#define PWR_FLAG_VREFINTRDY PWR_CSR_VREFINTRDYF
+
+#define IS_PWR_GET_FLAG(FLAG) (((FLAG) == PWR_FLAG_WU) || ((FLAG) == PWR_FLAG_SB) || \
+ ((FLAG) == PWR_FLAG_PVDO) || ((FLAG) == PWR_FLAG_VREFINTRDY))
+
+#define IS_PWR_CLEAR_FLAG(FLAG) (((FLAG) == PWR_FLAG_WU) || ((FLAG) == PWR_FLAG_SB))
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+
+/* Function used to set the PWR configuration to the default reset state ******/
+void PWR_DeInit(void);
+
+/* Backup Domain Access function **********************************************/
+void PWR_BackupAccessCmd(FunctionalState NewState);
+
+/* PVD configuration functions ************************************************/
+void PWR_PVDLevelConfig(uint32_t PWR_PVDLevel); /*!< only applicable for STM32F051 and STM32F072 devices */
+void PWR_PVDCmd(FunctionalState NewState); /*!< only applicable for STM32F051 and STM32F072 devices */
+
+/* WakeUp pins configuration functions ****************************************/
+void PWR_WakeUpPinCmd(uint32_t PWR_WakeUpPin, FunctionalState NewState);
+
+/* Low Power modes configuration functions ************************************/
+void PWR_EnterSleepMode(uint8_t PWR_SLEEPEntry);
+void PWR_EnterSTOPMode(uint32_t PWR_Regulator, uint8_t PWR_STOPEntry);
+void PWR_EnterSTANDBYMode(void);
+
+/* Flags management functions *************************************************/
+FlagStatus PWR_GetFlagStatus(uint32_t PWR_FLAG);
+void PWR_ClearFlag(uint32_t PWR_FLAG);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F0XX_PWR_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_rcc.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_rcc.h
new file mode 100644
index 00000000..cf3c10a3
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_rcc.h
@@ -0,0 +1,624 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_rcc.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the RCC
+ * firmware library.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_RCC_H
+#define __STM32F0XX_RCC_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup RCC
+ * @{
+ */
+
+/* Exported types ------------------------------------------------------------*/
+
+typedef struct
+{
+ uint32_t SYSCLK_Frequency;
+ uint32_t HCLK_Frequency;
+ uint32_t PCLK_Frequency;
+ uint32_t ADCCLK_Frequency;
+ uint32_t CECCLK_Frequency;
+ uint32_t I2C1CLK_Frequency;
+ uint32_t USART1CLK_Frequency;
+ uint32_t USART2CLK_Frequency; /*!< Only applicable for STM32F072 and STM32F091 devices */
+ uint32_t USART3CLK_Frequency; /*!< Only applicable for STM32F091 devices */
+ uint32_t USBCLK_Frequency; /*!< Only applicable for STM32F072 devices */
+}RCC_ClocksTypeDef;
+
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup RCC_Exported_Constants
+ * @{
+ */
+
+/** @defgroup RCC_HSE_configuration
+ * @{
+ */
+
+#define RCC_HSE_OFF ((uint8_t)0x00)
+#define RCC_HSE_ON ((uint8_t)0x01)
+#define RCC_HSE_Bypass ((uint8_t)0x05)
+#define IS_RCC_HSE(HSE) (((HSE) == RCC_HSE_OFF) || ((HSE) == RCC_HSE_ON) || \
+ ((HSE) == RCC_HSE_Bypass))
+
+/**
+ * @}
+ */
+
+/** @defgroup RCC_PLL_Clock_Source
+ * @{
+ */
+
+#define RCC_PLLSource_HSI_Div2 RCC_CFGR_PLLSRC_HSI_Div2
+#define RCC_PLLSource_PREDIV1 RCC_CFGR_PLLSRC_HSE_PREDIV /* Old HSEPREDIV1 bit definition, maintained for legacy purpose */
+#define RCC_PLLSource_HSE RCC_CFGR_PLLSRC_HSE_PREDIV /*!< Only applicable for STM32F072 devices */
+#define RCC_PLLSource_HSI48 RCC_CFGR_PLLSRC_HSI48_PREDIV /*!< Only applicable for STM32F072 devices */
+#define RCC_PLLSource_HSI RCC_CFGR_PLLSRC_HSI_PREDIV /*!< Only applicable for STM32F072 devices */
+
+#define IS_RCC_PLL_SOURCE(SOURCE) (((SOURCE) == RCC_PLLSource_HSI_Div2) || \
+ ((SOURCE) == RCC_PLLSource_HSI48) || \
+ ((SOURCE) == RCC_PLLSource_HSI) || \
+ ((SOURCE) == RCC_PLLSource_HSE) || \
+ ((SOURCE) == RCC_PLLSource_PREDIV1))
+/**
+ * @}
+ */
+
+/** @defgroup RCC_PLL_Multiplication_Factor
+ * @{
+ */
+
+#define RCC_PLLMul_2 RCC_CFGR_PLLMULL2
+#define RCC_PLLMul_3 RCC_CFGR_PLLMULL3
+#define RCC_PLLMul_4 RCC_CFGR_PLLMULL4
+#define RCC_PLLMul_5 RCC_CFGR_PLLMULL5
+#define RCC_PLLMul_6 RCC_CFGR_PLLMULL6
+#define RCC_PLLMul_7 RCC_CFGR_PLLMULL7
+#define RCC_PLLMul_8 RCC_CFGR_PLLMULL8
+#define RCC_PLLMul_9 RCC_CFGR_PLLMULL9
+#define RCC_PLLMul_10 RCC_CFGR_PLLMULL10
+#define RCC_PLLMul_11 RCC_CFGR_PLLMULL11
+#define RCC_PLLMul_12 RCC_CFGR_PLLMULL12
+#define RCC_PLLMul_13 RCC_CFGR_PLLMULL13
+#define RCC_PLLMul_14 RCC_CFGR_PLLMULL14
+#define RCC_PLLMul_15 RCC_CFGR_PLLMULL15
+#define RCC_PLLMul_16 RCC_CFGR_PLLMULL16
+#define IS_RCC_PLL_MUL(MUL) (((MUL) == RCC_PLLMul_2) || ((MUL) == RCC_PLLMul_3) || \
+ ((MUL) == RCC_PLLMul_4) || ((MUL) == RCC_PLLMul_5) || \
+ ((MUL) == RCC_PLLMul_6) || ((MUL) == RCC_PLLMul_7) || \
+ ((MUL) == RCC_PLLMul_8) || ((MUL) == RCC_PLLMul_9) || \
+ ((MUL) == RCC_PLLMul_10) || ((MUL) == RCC_PLLMul_11) || \
+ ((MUL) == RCC_PLLMul_12) || ((MUL) == RCC_PLLMul_13) || \
+ ((MUL) == RCC_PLLMul_14) || ((MUL) == RCC_PLLMul_15) || \
+ ((MUL) == RCC_PLLMul_16))
+/**
+ * @}
+ */
+
+/** @defgroup RCC_PREDIV1_division_factor
+ * @{
+ */
+#define RCC_PREDIV1_Div1 RCC_CFGR2_PREDIV1_DIV1
+#define RCC_PREDIV1_Div2 RCC_CFGR2_PREDIV1_DIV2
+#define RCC_PREDIV1_Div3 RCC_CFGR2_PREDIV1_DIV3
+#define RCC_PREDIV1_Div4 RCC_CFGR2_PREDIV1_DIV4
+#define RCC_PREDIV1_Div5 RCC_CFGR2_PREDIV1_DIV5
+#define RCC_PREDIV1_Div6 RCC_CFGR2_PREDIV1_DIV6
+#define RCC_PREDIV1_Div7 RCC_CFGR2_PREDIV1_DIV7
+#define RCC_PREDIV1_Div8 RCC_CFGR2_PREDIV1_DIV8
+#define RCC_PREDIV1_Div9 RCC_CFGR2_PREDIV1_DIV9
+#define RCC_PREDIV1_Div10 RCC_CFGR2_PREDIV1_DIV10
+#define RCC_PREDIV1_Div11 RCC_CFGR2_PREDIV1_DIV11
+#define RCC_PREDIV1_Div12 RCC_CFGR2_PREDIV1_DIV12
+#define RCC_PREDIV1_Div13 RCC_CFGR2_PREDIV1_DIV13
+#define RCC_PREDIV1_Div14 RCC_CFGR2_PREDIV1_DIV14
+#define RCC_PREDIV1_Div15 RCC_CFGR2_PREDIV1_DIV15
+#define RCC_PREDIV1_Div16 RCC_CFGR2_PREDIV1_DIV16
+
+#define IS_RCC_PREDIV1(PREDIV1) (((PREDIV1) == RCC_PREDIV1_Div1) || ((PREDIV1) == RCC_PREDIV1_Div2) || \
+ ((PREDIV1) == RCC_PREDIV1_Div3) || ((PREDIV1) == RCC_PREDIV1_Div4) || \
+ ((PREDIV1) == RCC_PREDIV1_Div5) || ((PREDIV1) == RCC_PREDIV1_Div6) || \
+ ((PREDIV1) == RCC_PREDIV1_Div7) || ((PREDIV1) == RCC_PREDIV1_Div8) || \
+ ((PREDIV1) == RCC_PREDIV1_Div9) || ((PREDIV1) == RCC_PREDIV1_Div10) || \
+ ((PREDIV1) == RCC_PREDIV1_Div11) || ((PREDIV1) == RCC_PREDIV1_Div12) || \
+ ((PREDIV1) == RCC_PREDIV1_Div13) || ((PREDIV1) == RCC_PREDIV1_Div14) || \
+ ((PREDIV1) == RCC_PREDIV1_Div15) || ((PREDIV1) == RCC_PREDIV1_Div16))
+/**
+ * @}
+ */
+
+/** @defgroup RCC_System_Clock_Source
+ * @{
+ */
+
+#define RCC_SYSCLKSource_HSI RCC_CFGR_SW_HSI
+#define RCC_SYSCLKSource_HSE RCC_CFGR_SW_HSE
+#define RCC_SYSCLKSource_PLLCLK RCC_CFGR_SW_PLL
+#define RCC_SYSCLKSource_HSI48 RCC_CFGR_SW_HSI48 /*!< Only applicable for STM32F072 devices */
+
+#define IS_RCC_SYSCLK_SOURCE(SOURCE) (((SOURCE) == RCC_SYSCLKSource_HSI) || \
+ ((SOURCE) == RCC_SYSCLKSource_HSE) || \
+ ((SOURCE) == RCC_SYSCLKSource_HSI48) || \
+ ((SOURCE) == RCC_SYSCLKSource_PLLCLK))
+/**
+ * @}
+ */
+
+/** @defgroup RCC_AHB_Clock_Source
+ * @{
+ */
+
+#define RCC_SYSCLK_Div1 RCC_CFGR_HPRE_DIV1
+#define RCC_SYSCLK_Div2 RCC_CFGR_HPRE_DIV2
+#define RCC_SYSCLK_Div4 RCC_CFGR_HPRE_DIV4
+#define RCC_SYSCLK_Div8 RCC_CFGR_HPRE_DIV8
+#define RCC_SYSCLK_Div16 RCC_CFGR_HPRE_DIV16
+#define RCC_SYSCLK_Div64 RCC_CFGR_HPRE_DIV64
+#define RCC_SYSCLK_Div128 RCC_CFGR_HPRE_DIV128
+#define RCC_SYSCLK_Div256 RCC_CFGR_HPRE_DIV256
+#define RCC_SYSCLK_Div512 RCC_CFGR_HPRE_DIV512
+#define IS_RCC_HCLK(HCLK) (((HCLK) == RCC_SYSCLK_Div1) || ((HCLK) == RCC_SYSCLK_Div2) || \
+ ((HCLK) == RCC_SYSCLK_Div4) || ((HCLK) == RCC_SYSCLK_Div8) || \
+ ((HCLK) == RCC_SYSCLK_Div16) || ((HCLK) == RCC_SYSCLK_Div64) || \
+ ((HCLK) == RCC_SYSCLK_Div128) || ((HCLK) == RCC_SYSCLK_Div256) || \
+ ((HCLK) == RCC_SYSCLK_Div512))
+/**
+ * @}
+ */
+
+/** @defgroup RCC_APB_Clock_Source
+ * @{
+ */
+
+#define RCC_HCLK_Div1 RCC_CFGR_PPRE_DIV1
+#define RCC_HCLK_Div2 RCC_CFGR_PPRE_DIV2
+#define RCC_HCLK_Div4 RCC_CFGR_PPRE_DIV4
+#define RCC_HCLK_Div8 RCC_CFGR_PPRE_DIV8
+#define RCC_HCLK_Div16 RCC_CFGR_PPRE_DIV16
+#define IS_RCC_PCLK(PCLK) (((PCLK) == RCC_HCLK_Div1) || ((PCLK) == RCC_HCLK_Div2) || \
+ ((PCLK) == RCC_HCLK_Div4) || ((PCLK) == RCC_HCLK_Div8) || \
+ ((PCLK) == RCC_HCLK_Div16))
+/**
+ * @}
+ */
+
+/** @defgroup RCC_ADC_clock_source
+ * @{
+ */
+/* These defines are obsolete and kept for legacy purpose only.
+Proper ADC clock selection is done within ADC driver by mean of the ADC_ClockModeConfig() function */
+#define RCC_ADCCLK_HSI14 ((uint32_t)0x00000000)
+#define RCC_ADCCLK_PCLK_Div2 ((uint32_t)0x01000000)
+#define RCC_ADCCLK_PCLK_Div4 ((uint32_t)0x01004000)
+
+#define IS_RCC_ADCCLK(ADCCLK) (((ADCCLK) == RCC_ADCCLK_HSI14) || ((ADCCLK) == RCC_ADCCLK_PCLK_Div2) || \
+ ((ADCCLK) == RCC_ADCCLK_PCLK_Div4))
+
+/**
+ * @}
+ */
+
+/** @defgroup RCC_CEC_clock_source
+ * @{
+ */
+
+#define RCC_CECCLK_HSI_Div244 ((uint32_t)0x00000000)
+#define RCC_CECCLK_LSE RCC_CFGR3_CECSW
+
+#define IS_RCC_CECCLK(CECCLK) (((CECCLK) == RCC_CECCLK_HSI_Div244) || ((CECCLK) == RCC_CECCLK_LSE))
+
+/**
+ * @}
+ */
+
+/** @defgroup RCC_I2C_clock_source
+ * @{
+ */
+
+#define RCC_I2C1CLK_HSI ((uint32_t)0x00000000)
+#define RCC_I2C1CLK_SYSCLK RCC_CFGR3_I2C1SW
+
+#define IS_RCC_I2CCLK(I2CCLK) (((I2CCLK) == RCC_I2C1CLK_HSI) || ((I2CCLK) == RCC_I2C1CLK_SYSCLK))
+
+/**
+ * @}
+ */
+
+/** @defgroup RCC_USB_clock_source
+ * @brief Applicable only for STM32F072 devices
+ * @{
+ */
+
+#define RCC_USBCLK_HSI48 ((uint32_t)0x00000000)
+#define RCC_USBCLK_PLLCLK RCC_CFGR3_USBSW
+
+#define IS_RCC_USBCLK(USBCLK) (((USBCLK) == RCC_USBCLK_HSI48) || ((USBCLK) == RCC_USBCLK_PLLCLK))
+
+/**
+ * @}
+ */
+
+/** @defgroup RCC_USART_clock_source
+ * @{
+ */
+
+#define RCC_USART1CLK_PCLK ((uint32_t)0x10000000)
+#define RCC_USART1CLK_SYSCLK ((uint32_t)0x10000001)
+#define RCC_USART1CLK_LSE ((uint32_t)0x10000002)
+#define RCC_USART1CLK_HSI ((uint32_t)0x10000003)
+
+#define RCC_USART2CLK_PCLK ((uint32_t)0x20000000) /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define RCC_USART2CLK_SYSCLK ((uint32_t)0x20010000) /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define RCC_USART2CLK_LSE ((uint32_t)0x20020000) /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define RCC_USART2CLK_HSI ((uint32_t)0x20030000) /*!< Only applicable for STM32F072 and STM32F091 devices */
+
+#define RCC_USART3CLK_PCLK ((uint32_t)0x30000000) /*!< Only applicable for STM32F091 devices */
+#define RCC_USART3CLK_SYSCLK ((uint32_t)0x30040000) /*!< Only applicable for STM32F091 devices */
+#define RCC_USART3CLK_LSE ((uint32_t)0x30080000) /*!< Only applicable for STM32F091 devices */
+#define RCC_USART3CLK_HSI ((uint32_t)0x300C0000) /*!< Only applicable for STM32F091 devices */
+
+
+#define IS_RCC_USARTCLK(USARTCLK) (((USARTCLK) == RCC_USART1CLK_PCLK) || \
+ ((USARTCLK) == RCC_USART1CLK_SYSCLK) || \
+ ((USARTCLK) == RCC_USART1CLK_LSE) || \
+ ((USARTCLK) == RCC_USART1CLK_HSI) || \
+ ((USARTCLK) == RCC_USART2CLK_PCLK) || \
+ ((USARTCLK) == RCC_USART2CLK_SYSCLK) || \
+ ((USARTCLK) == RCC_USART2CLK_LSE) || \
+ ((USARTCLK) == RCC_USART2CLK_HSI)|| \
+ ((USARTCLK) == RCC_USART3CLK_PCLK) || \
+ ((USARTCLK) == RCC_USART3CLK_SYSCLK) || \
+ ((USARTCLK) == RCC_USART3CLK_LSE) || \
+ ((USARTCLK) == RCC_USART3CLK_HSI))
+
+/**
+ * @}
+ */
+
+/** @defgroup RCC_Interrupt_Source
+ * @{
+ */
+
+#define RCC_IT_LSIRDY ((uint8_t)0x01)
+#define RCC_IT_LSERDY ((uint8_t)0x02)
+#define RCC_IT_HSIRDY ((uint8_t)0x04)
+#define RCC_IT_HSERDY ((uint8_t)0x08)
+#define RCC_IT_PLLRDY ((uint8_t)0x10)
+#define RCC_IT_HSI14RDY ((uint8_t)0x20)
+#define RCC_IT_HSI48RDY ((uint8_t)0x40) /*!< Only applicable for STM32F072 devices */
+#define RCC_IT_CSS ((uint8_t)0x80)
+
+#define IS_RCC_IT(IT) ((((IT) & (uint8_t)0x80) == 0x00) && ((IT) != 0x00))
+
+#define IS_RCC_GET_IT(IT) (((IT) == RCC_IT_LSIRDY) || ((IT) == RCC_IT_LSERDY) || \
+ ((IT) == RCC_IT_HSIRDY) || ((IT) == RCC_IT_HSERDY) || \
+ ((IT) == RCC_IT_PLLRDY) || ((IT) == RCC_IT_HSI14RDY) || \
+ ((IT) == RCC_IT_CSS) || ((IT) == RCC_IT_HSI48RDY))
+
+#define IS_RCC_CLEAR_IT(IT) ((IT) != 0x00)
+
+/**
+ * @}
+ */
+
+/** @defgroup RCC_LSE_Configuration
+ * @{
+ */
+
+#define RCC_LSE_OFF ((uint32_t)0x00000000)
+#define RCC_LSE_ON RCC_BDCR_LSEON
+#define RCC_LSE_Bypass ((uint32_t)(RCC_BDCR_LSEON | RCC_BDCR_LSEBYP))
+#define IS_RCC_LSE(LSE) (((LSE) == RCC_LSE_OFF) || ((LSE) == RCC_LSE_ON) || \
+ ((LSE) == RCC_LSE_Bypass))
+/**
+ * @}
+ */
+
+/** @defgroup RCC_RTC_Clock_Source
+ * @{
+ */
+
+#define RCC_RTCCLKSource_LSE RCC_BDCR_RTCSEL_LSE
+#define RCC_RTCCLKSource_LSI RCC_BDCR_RTCSEL_LSI
+#define RCC_RTCCLKSource_HSE_Div32 RCC_BDCR_RTCSEL_HSE
+
+#define IS_RCC_RTCCLK_SOURCE(SOURCE) (((SOURCE) == RCC_RTCCLKSource_LSE) || \
+ ((SOURCE) == RCC_RTCCLKSource_LSI) || \
+ ((SOURCE) == RCC_RTCCLKSource_HSE_Div32))
+/**
+ * @}
+ */
+
+/** @defgroup RCC_LSE_Drive_Configuration
+ * @{
+ */
+
+#define RCC_LSEDrive_Low ((uint32_t)0x00000000)
+#define RCC_LSEDrive_MediumLow RCC_BDCR_LSEDRV_0
+#define RCC_LSEDrive_MediumHigh RCC_BDCR_LSEDRV_1
+#define RCC_LSEDrive_High RCC_BDCR_LSEDRV
+#define IS_RCC_LSE_DRIVE(DRIVE) (((DRIVE) == RCC_LSEDrive_Low) || ((DRIVE) == RCC_LSEDrive_MediumLow) || \
+ ((DRIVE) == RCC_LSEDrive_MediumHigh) || ((DRIVE) == RCC_LSEDrive_High))
+/**
+ * @}
+ */
+
+/** @defgroup RCC_AHB_Peripherals
+ * @{
+ */
+
+#define RCC_AHBPeriph_GPIOA RCC_AHBENR_GPIOAEN
+#define RCC_AHBPeriph_GPIOB RCC_AHBENR_GPIOBEN
+#define RCC_AHBPeriph_GPIOC RCC_AHBENR_GPIOCEN
+#define RCC_AHBPeriph_GPIOD RCC_AHBENR_GPIODEN
+#define RCC_AHBPeriph_GPIOE RCC_AHBENR_GPIOEEN /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define RCC_AHBPeriph_GPIOF RCC_AHBENR_GPIOFEN
+#define RCC_AHBPeriph_TS RCC_AHBENR_TSEN
+#define RCC_AHBPeriph_CRC RCC_AHBENR_CRCEN
+#define RCC_AHBPeriph_FLITF RCC_AHBENR_FLITFEN
+#define RCC_AHBPeriph_SRAM RCC_AHBENR_SRAMEN
+#define RCC_AHBPeriph_DMA1 RCC_AHBENR_DMA1EN
+#define RCC_AHBPeriph_DMA2 RCC_AHBENR_DMA2EN
+
+#define IS_RCC_AHB_PERIPH(PERIPH) ((((PERIPH) & 0xFE81FFA8) == 0x00) && ((PERIPH) != 0x00))
+#define IS_RCC_AHB_RST_PERIPH(PERIPH) ((((PERIPH) & 0xFE81FFA8) == 0x00) && ((PERIPH) != 0x00))
+
+/**
+ * @}
+ */
+
+/** @defgroup RCC_APB2_Peripherals
+ * @{
+ */
+
+#define RCC_APB2Periph_SYSCFG RCC_APB2ENR_SYSCFGEN
+#define RCC_APB2Periph_USART6 RCC_APB2ENR_USART6EN
+#define RCC_APB2Periph_USART7 RCC_APB2ENR_USART7EN
+#define RCC_APB2Periph_USART8 RCC_APB2ENR_USART8EN
+#define RCC_APB2Periph_ADC1 RCC_APB2ENR_ADC1EN
+#define RCC_APB2Periph_TIM1 RCC_APB2ENR_TIM1EN
+#define RCC_APB2Periph_SPI1 RCC_APB2ENR_SPI1EN
+#define RCC_APB2Periph_USART1 RCC_APB2ENR_USART1EN
+#define RCC_APB2Periph_TIM15 RCC_APB2ENR_TIM15EN
+#define RCC_APB2Periph_TIM16 RCC_APB2ENR_TIM16EN
+#define RCC_APB2Periph_TIM17 RCC_APB2ENR_TIM17EN
+#define RCC_APB2Periph_DBGMCU RCC_APB2ENR_DBGMCUEN
+
+#define IS_RCC_APB2_PERIPH(PERIPH) ((((PERIPH) & 0xFFB8A51E) == 0x00) && ((PERIPH) != 0x00))
+
+/**
+ * @}
+ */
+
+/** @defgroup RCC_APB1_Peripherals
+ * @{
+ */
+
+#define RCC_APB1Periph_TIM2 RCC_APB1ENR_TIM2EN /*!< Only applicable for STM32F051, STM32F072 and STM32F091 devices */
+#define RCC_APB1Periph_TIM3 RCC_APB1ENR_TIM3EN
+#define RCC_APB1Periph_TIM6 RCC_APB1ENR_TIM6EN
+#define RCC_APB1Periph_TIM7 RCC_APB1ENR_TIM7EN /*!< Only applicable for STM32F072 devices */
+#define RCC_APB1Periph_TIM14 RCC_APB1ENR_TIM14EN
+#define RCC_APB1Periph_WWDG RCC_APB1ENR_WWDGEN
+#define RCC_APB1Periph_SPI2 RCC_APB1ENR_SPI2EN
+#define RCC_APB1Periph_USART2 RCC_APB1ENR_USART2EN
+#define RCC_APB1Periph_USART3 RCC_APB1ENR_USART3EN /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define RCC_APB1Periph_USART4 RCC_APB1ENR_USART4EN /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define RCC_APB1Periph_USART5 RCC_APB1ENR_USART5EN /*!< Only applicable for STM32F091 devices */
+#define RCC_APB1Periph_I2C1 RCC_APB1ENR_I2C1EN
+#define RCC_APB1Periph_I2C2 RCC_APB1ENR_I2C2EN
+#define RCC_APB1Periph_USB RCC_APB1ENR_USBEN /*!< Only applicable for STM32F072 and STM32F042 devices */
+#define RCC_APB1Periph_CAN RCC_APB1ENR_CANEN /*!< Only applicable for STM32F072, STM32F042 and STM32F091 devices */
+#define RCC_APB1Periph_CRS RCC_APB1ENR_CRSEN /*!< Only applicable for STM32F072, STM32F042 and STM32F091 devices */
+#define RCC_APB1Periph_PWR RCC_APB1ENR_PWREN
+#define RCC_APB1Periph_DAC RCC_APB1ENR_DACEN /*!< Only applicable for STM32F051, STM32F072 and STM32F091 devices */
+#define RCC_APB1Periph_CEC RCC_APB1ENR_CECEN /*!< Only applicable for STM32F051, STM32F042, STM32F072 and STM32F091 devices */
+
+#define IS_RCC_APB1_PERIPH(PERIPH) ((((PERIPH) & 0x8581B6CC) == 0x00) && ((PERIPH) != 0x00))
+/**
+ * @}
+ */
+
+/** @defgroup RCC_MCO_Clock_Source
+ * @{
+ */
+
+#define RCC_MCOSource_NoClock ((uint8_t)0x00)
+#define RCC_MCOSource_HSI14 ((uint8_t)0x01)
+#define RCC_MCOSource_LSI ((uint8_t)0x02)
+#define RCC_MCOSource_LSE ((uint8_t)0x03)
+#define RCC_MCOSource_SYSCLK ((uint8_t)0x04)
+#define RCC_MCOSource_HSI ((uint8_t)0x05)
+#define RCC_MCOSource_HSE ((uint8_t)0x06)
+#define RCC_MCOSource_PLLCLK_Div2 ((uint8_t)0x07)
+#define RCC_MCOSource_HSI48 ((uint8_t)0x08) /*!< Only applicable for STM32F072 devices */
+#define RCC_MCOSource_PLLCLK ((uint8_t)0x87)
+
+#define IS_RCC_MCO_SOURCE(SOURCE) (((SOURCE) == RCC_MCOSource_NoClock) || ((SOURCE) == RCC_MCOSource_HSI14) || \
+ ((SOURCE) == RCC_MCOSource_SYSCLK) || ((SOURCE) == RCC_MCOSource_HSI) || \
+ ((SOURCE) == RCC_MCOSource_HSE) || ((SOURCE) == RCC_MCOSource_PLLCLK_Div2)|| \
+ ((SOURCE) == RCC_MCOSource_LSI) || ((SOURCE) == RCC_MCOSource_HSI48) || \
+ ((SOURCE) == RCC_MCOSource_PLLCLK) || ((SOURCE) == RCC_MCOSource_LSE))
+/**
+ * @}
+ */
+
+/** @defgroup RCC_MCOPrescaler
+ * @{
+ */
+#if !defined (STM32F051)
+#define RCC_MCOPrescaler_1 RCC_CFGR_MCO_PRE_1
+#define RCC_MCOPrescaler_2 RCC_CFGR_MCO_PRE_2
+#define RCC_MCOPrescaler_4 RCC_CFGR_MCO_PRE_4
+#define RCC_MCOPrescaler_8 RCC_CFGR_MCO_PRE_8
+#define RCC_MCOPrescaler_16 RCC_CFGR_MCO_PRE_16
+#define RCC_MCOPrescaler_32 RCC_CFGR_MCO_PRE_32
+#define RCC_MCOPrescaler_64 RCC_CFGR_MCO_PRE_64
+#define RCC_MCOPrescaler_128 RCC_CFGR_MCO_PRE_128
+
+#define IS_RCC_MCO_PRESCALER(PRESCALER) (((PRESCALER) == RCC_MCOPrescaler_1) || \
+ ((PRESCALER) == RCC_MCOPrescaler_2) || \
+ ((PRESCALER) == RCC_MCOPrescaler_4) || \
+ ((PRESCALER) == RCC_MCOPrescaler_8) || \
+ ((PRESCALER) == RCC_MCOPrescaler_16) || \
+ ((PRESCALER) == RCC_MCOPrescaler_32) || \
+ ((PRESCALER) == RCC_MCOPrescaler_64) || \
+ ((PRESCALER) == RCC_MCOPrescaler_128))
+#endif /* STM32F051 */
+/**
+ * @}
+ */
+
+/** @defgroup RCC_Flag
+ * @{
+ */
+#define RCC_FLAG_HSIRDY ((uint8_t)0x01)
+#define RCC_FLAG_HSERDY ((uint8_t)0x11)
+#define RCC_FLAG_PLLRDY ((uint8_t)0x19)
+#define RCC_FLAG_LSERDY ((uint8_t)0x21)
+#define RCC_FLAG_LSIRDY ((uint8_t)0x41)
+#define RCC_FLAG_V18PWRRSTF ((uint8_t)0x57)
+#define RCC_FLAG_OBLRST ((uint8_t)0x59)
+#define RCC_FLAG_PINRST ((uint8_t)0x5A)
+#define RCC_FLAG_PORRST ((uint8_t)0x5B)
+#define RCC_FLAG_SFTRST ((uint8_t)0x5C)
+#define RCC_FLAG_IWDGRST ((uint8_t)0x5D)
+#define RCC_FLAG_WWDGRST ((uint8_t)0x5E)
+#define RCC_FLAG_LPWRRST ((uint8_t)0x5F)
+#define RCC_FLAG_HSI14RDY ((uint8_t)0x61)
+#define RCC_FLAG_HSI48RDY ((uint8_t)0x71) /*!< Only applicable for STM32F072 devices */
+
+#define IS_RCC_FLAG(FLAG) (((FLAG) == RCC_FLAG_HSIRDY) || ((FLAG) == RCC_FLAG_HSERDY) || \
+ ((FLAG) == RCC_FLAG_PLLRDY) || ((FLAG) == RCC_FLAG_LSERDY) || \
+ ((FLAG) == RCC_FLAG_LSIRDY) || ((FLAG) == RCC_FLAG_OBLRST) || \
+ ((FLAG) == RCC_FLAG_PINRST) || ((FLAG) == RCC_FLAG_PORRST) || \
+ ((FLAG) == RCC_FLAG_SFTRST) || ((FLAG) == RCC_FLAG_IWDGRST) || \
+ ((FLAG) == RCC_FLAG_WWDGRST) || ((FLAG) == RCC_FLAG_LPWRRST) || \
+ ((FLAG) == RCC_FLAG_HSI14RDY)|| ((FLAG) == RCC_FLAG_HSI48RDY)|| \
+ ((FLAG) == RCC_FLAG_V18PWRRSTF))
+
+#define IS_RCC_HSI_CALIBRATION_VALUE(VALUE) ((VALUE) <= 0x1F)
+#define IS_RCC_HSI14_CALIBRATION_VALUE(VALUE) ((VALUE) <= 0x1F)
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+
+/* Function used to set the RCC clock configuration to the default reset state */
+void RCC_DeInit(void);
+
+/* Internal/external clocks, PLL, CSS and MCO configuration functions *********/
+void RCC_HSEConfig(uint8_t RCC_HSE);
+ErrorStatus RCC_WaitForHSEStartUp(void);
+void RCC_AdjustHSICalibrationValue(uint8_t HSICalibrationValue);
+void RCC_HSICmd(FunctionalState NewState);
+void RCC_AdjustHSI14CalibrationValue(uint8_t HSI14CalibrationValue);
+void RCC_HSI14Cmd(FunctionalState NewState);
+void RCC_HSI14ADCRequestCmd(FunctionalState NewState);
+void RCC_LSEConfig(uint32_t RCC_LSE);
+void RCC_LSEDriveConfig(uint32_t RCC_LSEDrive);
+void RCC_LSICmd(FunctionalState NewState);
+void RCC_PLLConfig(uint32_t RCC_PLLSource, uint32_t RCC_PLLMul);
+void RCC_PLLCmd(FunctionalState NewState);
+void RCC_HSI48Cmd(FunctionalState NewState); /*!< Only applicable for STM32F072 devices */
+uint32_t RCC_GetHSI48CalibrationValue(void); /*!< Only applicable for STM32F072 devices */
+void RCC_PREDIV1Config(uint32_t RCC_PREDIV1_Div);
+void RCC_ClockSecuritySystemCmd(FunctionalState NewState);
+#ifdef STM32F051
+void RCC_MCOConfig(uint8_t RCC_MCOSource);
+#else
+void RCC_MCOConfig(uint8_t RCC_MCOSource,uint32_t RCC_MCOPrescaler);
+#endif /* STM32F051 */
+
+/* System, AHB and APB busses clocks configuration functions ******************/
+void RCC_SYSCLKConfig(uint32_t RCC_SYSCLKSource);
+uint8_t RCC_GetSYSCLKSource(void);
+void RCC_HCLKConfig(uint32_t RCC_SYSCLK);
+void RCC_PCLKConfig(uint32_t RCC_HCLK);
+void RCC_ADCCLKConfig(uint32_t RCC_ADCCLK); /* This function is obsolete.
+ For proper ADC clock selection, refer to
+ ADC_ClockModeConfig() in the ADC driver */
+void RCC_CECCLKConfig(uint32_t RCC_CECCLK);
+void RCC_I2CCLKConfig(uint32_t RCC_I2CCLK);
+void RCC_USARTCLKConfig(uint32_t RCC_USARTCLK);
+void RCC_USBCLKConfig(uint32_t RCC_USBCLK); /*!< Only applicable for STM32F042 and STM32F072 devices */
+void RCC_GetClocksFreq(RCC_ClocksTypeDef* RCC_Clocks);
+
+/* Peripheral clocks configuration functions **********************************/
+void RCC_RTCCLKConfig(uint32_t RCC_RTCCLKSource);
+void RCC_RTCCLKCmd(FunctionalState NewState);
+void RCC_BackupResetCmd(FunctionalState NewState);
+
+void RCC_AHBPeriphClockCmd(uint32_t RCC_AHBPeriph, FunctionalState NewState);
+void RCC_APB2PeriphClockCmd(uint32_t RCC_APB2Periph, FunctionalState NewState);
+void RCC_APB1PeriphClockCmd(uint32_t RCC_APB1Periph, FunctionalState NewState);
+
+void RCC_AHBPeriphResetCmd(uint32_t RCC_AHBPeriph, FunctionalState NewState);
+void RCC_APB2PeriphResetCmd(uint32_t RCC_APB2Periph, FunctionalState NewState);
+void RCC_APB1PeriphResetCmd(uint32_t RCC_APB1Periph, FunctionalState NewState);
+
+/* Interrupts and flags management functions **********************************/
+void RCC_ITConfig(uint8_t RCC_IT, FunctionalState NewState);
+FlagStatus RCC_GetFlagStatus(uint8_t RCC_FLAG);
+void RCC_ClearFlag(void);
+ITStatus RCC_GetITStatus(uint8_t RCC_IT);
+void RCC_ClearITPendingBit(uint8_t RCC_IT);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F0XX_RCC_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_rtc.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_rtc.h
new file mode 100644
index 00000000..83d2b258
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_rtc.h
@@ -0,0 +1,807 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_rtc.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the RTC firmware
+ * library.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_RTC_H
+#define __STM32F0XX_RTC_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup RTC
+ * @{
+ */
+
+/* Exported types ------------------------------------------------------------*/
+
+/**
+ * @brief RTC Init structures definition
+ */
+typedef struct
+{
+ uint32_t RTC_HourFormat; /*!< Specifies the RTC Hour Format.
+ This parameter can be a value of @ref RTC_Hour_Formats */
+
+ uint32_t RTC_AsynchPrediv; /*!< Specifies the RTC Asynchronous Predivider value.
+ This parameter must be set to a value lower than 0x7F */
+
+ uint32_t RTC_SynchPrediv; /*!< Specifies the RTC Synchronous Predivider value.
+ This parameter must be set to a value lower than 0x1FFF */
+}RTC_InitTypeDef;
+
+/**
+ * @brief RTC Time structure definition
+ */
+typedef struct
+{
+ uint8_t RTC_Hours; /*!< Specifies the RTC Time Hour.
+ This parameter must be set to a value in the 0-12 range
+ if the RTC_HourFormat_12 is selected or 0-23 range if
+ the RTC_HourFormat_24 is selected. */
+
+ uint8_t RTC_Minutes; /*!< Specifies the RTC Time Minutes.
+ This parameter must be set to a value in the 0-59 range. */
+
+ uint8_t RTC_Seconds; /*!< Specifies the RTC Time Seconds.
+ This parameter must be set to a value in the 0-59 range. */
+
+ uint8_t RTC_H12; /*!< Specifies the RTC AM/PM Time.
+ This parameter can be a value of @ref RTC_AM_PM_Definitions */
+}RTC_TimeTypeDef;
+
+/**
+ * @brief RTC Date structure definition
+ */
+typedef struct
+{
+ uint8_t RTC_WeekDay; /*!< Specifies the RTC Date WeekDay.
+ This parameter can be a value of @ref RTC_WeekDay_Definitions */
+
+ uint8_t RTC_Month; /*!< Specifies the RTC Date Month.
+ This parameter can be a value of @ref RTC_Month_Date_Definitions */
+
+ uint8_t RTC_Date; /*!< Specifies the RTC Date.
+ This parameter must be set to a value in the 1-31 range. */
+
+ uint8_t RTC_Year; /*!< Specifies the RTC Date Year.
+ This parameter must be set to a value in the 0-99 range. */
+}RTC_DateTypeDef;
+
+/**
+ * @brief RTC Alarm structure definition
+ */
+typedef struct
+{
+ RTC_TimeTypeDef RTC_AlarmTime; /*!< Specifies the RTC Alarm Time members. */
+
+ uint32_t RTC_AlarmMask; /*!< Specifies the RTC Alarm Masks.
+ This parameter can be a value of @ref RTC_AlarmMask_Definitions */
+
+ uint32_t RTC_AlarmDateWeekDaySel; /*!< Specifies the RTC Alarm is on Date or WeekDay.
+ This parameter can be a value of @ref RTC_AlarmDateWeekDay_Definitions */
+
+ uint8_t RTC_AlarmDateWeekDay; /*!< Specifies the RTC Alarm Date/WeekDay.
+ This parameter must be set to a value in the 1-31 range
+ if the Alarm Date is selected.
+ This parameter can be a value of @ref RTC_WeekDay_Definitions
+ if the Alarm WeekDay is selected. */
+}RTC_AlarmTypeDef;
+
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup RTC_Exported_Constants
+ * @{
+ */
+
+
+/** @defgroup RTC_Hour_Formats
+ * @{
+ */
+#define RTC_HourFormat_24 ((uint32_t)0x00000000)
+#define RTC_HourFormat_12 ((uint32_t)0x00000040)
+#define IS_RTC_HOUR_FORMAT(FORMAT) (((FORMAT) == RTC_HourFormat_12) || \
+ ((FORMAT) == RTC_HourFormat_24))
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Asynchronous_Predivider
+ * @{
+ */
+#define IS_RTC_ASYNCH_PREDIV(PREDIV) ((PREDIV) <= 0x7F)
+
+/**
+ * @}
+ */
+
+
+/** @defgroup RTC_Synchronous_Predivider
+ * @{
+ */
+#define IS_RTC_SYNCH_PREDIV(PREDIV) ((PREDIV) <= 0x7FFF)
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Time_Definitions
+ * @{
+ */
+#define IS_RTC_HOUR12(HOUR) (((HOUR) > 0) && ((HOUR) <= 12))
+#define IS_RTC_HOUR24(HOUR) ((HOUR) <= 23)
+#define IS_RTC_MINUTES(MINUTES) ((MINUTES) <= 59)
+#define IS_RTC_SECONDS(SECONDS) ((SECONDS) <= 59)
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_AM_PM_Definitions
+ * @{
+ */
+#define RTC_H12_AM ((uint8_t)0x00)
+#define RTC_H12_PM ((uint8_t)0x40)
+#define IS_RTC_H12(PM) (((PM) == RTC_H12_AM) || ((PM) == RTC_H12_PM))
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Year_Date_Definitions
+ * @{
+ */
+#define IS_RTC_YEAR(YEAR) ((YEAR) <= 99)
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Month_Date_Definitions
+ * @{
+ */
+#define RTC_Month_January ((uint8_t)0x01)
+#define RTC_Month_February ((uint8_t)0x02)
+#define RTC_Month_March ((uint8_t)0x03)
+#define RTC_Month_April ((uint8_t)0x04)
+#define RTC_Month_May ((uint8_t)0x05)
+#define RTC_Month_June ((uint8_t)0x06)
+#define RTC_Month_July ((uint8_t)0x07)
+#define RTC_Month_August ((uint8_t)0x08)
+#define RTC_Month_September ((uint8_t)0x09)
+#define RTC_Month_October ((uint8_t)0x10)
+#define RTC_Month_November ((uint8_t)0x11)
+#define RTC_Month_December ((uint8_t)0x12)
+#define IS_RTC_MONTH(MONTH) (((MONTH) >= 1) && ((MONTH) <= 12))
+#define IS_RTC_DATE(DATE) (((DATE) >= 1) && ((DATE) <= 31))
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_WeekDay_Definitions
+ * @{
+ */
+
+#define RTC_Weekday_Monday ((uint8_t)0x01)
+#define RTC_Weekday_Tuesday ((uint8_t)0x02)
+#define RTC_Weekday_Wednesday ((uint8_t)0x03)
+#define RTC_Weekday_Thursday ((uint8_t)0x04)
+#define RTC_Weekday_Friday ((uint8_t)0x05)
+#define RTC_Weekday_Saturday ((uint8_t)0x6)
+#define RTC_Weekday_Sunday ((uint8_t)0x07)
+#define IS_RTC_WEEKDAY(WEEKDAY) (((WEEKDAY) == RTC_Weekday_Monday) || \
+ ((WEEKDAY) == RTC_Weekday_Tuesday) || \
+ ((WEEKDAY) == RTC_Weekday_Wednesday) || \
+ ((WEEKDAY) == RTC_Weekday_Thursday) || \
+ ((WEEKDAY) == RTC_Weekday_Friday) || \
+ ((WEEKDAY) == RTC_Weekday_Saturday) || \
+ ((WEEKDAY) == RTC_Weekday_Sunday))
+/**
+ * @}
+ */
+
+
+/** @defgroup RTC_Alarm_Definitions
+ * @{
+ */
+#define IS_RTC_ALARM_DATE_WEEKDAY_DATE(DATE) (((DATE) > 0) && ((DATE) <= 31))
+#define IS_RTC_ALARM_DATE_WEEKDAY_WEEKDAY(WEEKDAY) (((WEEKDAY) == RTC_Weekday_Monday) || \
+ ((WEEKDAY) == RTC_Weekday_Tuesday) || \
+ ((WEEKDAY) == RTC_Weekday_Wednesday) || \
+ ((WEEKDAY) == RTC_Weekday_Thursday) || \
+ ((WEEKDAY) == RTC_Weekday_Friday) || \
+ ((WEEKDAY) == RTC_Weekday_Saturday) || \
+ ((WEEKDAY) == RTC_Weekday_Sunday))
+
+/**
+ * @}
+ */
+
+
+/** @defgroup RTC_AlarmDateWeekDay_Definitions
+ * @{
+ */
+#define RTC_AlarmDateWeekDaySel_Date ((uint32_t)0x00000000)
+#define RTC_AlarmDateWeekDaySel_WeekDay ((uint32_t)0x40000000)
+
+#define IS_RTC_ALARM_DATE_WEEKDAY_SEL(SEL) (((SEL) == RTC_AlarmDateWeekDaySel_Date) || \
+ ((SEL) == RTC_AlarmDateWeekDaySel_WeekDay))
+
+/**
+ * @}
+ */
+
+
+/** @defgroup RTC_AlarmMask_Definitions
+ * @{
+ */
+#define RTC_AlarmMask_None ((uint32_t)0x00000000)
+#define RTC_AlarmMask_DateWeekDay ((uint32_t)0x80000000)
+#define RTC_AlarmMask_Hours ((uint32_t)0x00800000)
+#define RTC_AlarmMask_Minutes ((uint32_t)0x00008000)
+#define RTC_AlarmMask_Seconds ((uint32_t)0x00000080)
+#define RTC_AlarmMask_All ((uint32_t)0x80808080)
+#define IS_RTC_ALARM_MASK(MASK) (((MASK) & 0x7F7F7F7F) == (uint32_t)RESET)
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Alarms_Definitions
+ * @{
+ */
+#define RTC_Alarm_A ((uint32_t)0x00000100)
+#define IS_RTC_ALARM(ALARM) ((ALARM) == RTC_Alarm_A)
+#define IS_RTC_CMD_ALARM(ALARM) (((ALARM) & (RTC_Alarm_A)) != (uint32_t)RESET)
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Alarm_Sub_Seconds_Masks Definitions.
+ * @{
+ */
+#define RTC_AlarmSubSecondMask_All ((uint8_t)0x00) /*!< All Alarm SS fields are masked.
+ There is no comparison on sub seconds
+ for Alarm */
+#define RTC_AlarmSubSecondMask_SS14_1 ((uint8_t)0x01) /*!< SS[14:1] are don't care in Alarm
+ comparison. Only SS[0] is compared. */
+#define RTC_AlarmSubSecondMask_SS14_2 ((uint8_t)0x02) /*!< SS[14:2] are don't care in Alarm
+ comparison. Only SS[1:0] are compared */
+#define RTC_AlarmSubSecondMask_SS14_3 ((uint8_t)0x03) /*!< SS[14:3] are don't care in Alarm
+ comparison. Only SS[2:0] are compared */
+#define RTC_AlarmSubSecondMask_SS14_4 ((uint8_t)0x04) /*!< SS[14:4] are don't care in Alarm
+ comparison. Only SS[3:0] are compared */
+#define RTC_AlarmSubSecondMask_SS14_5 ((uint8_t)0x05) /*!< SS[14:5] are don't care in Alarm
+ comparison. Only SS[4:0] are compared */
+#define RTC_AlarmSubSecondMask_SS14_6 ((uint8_t)0x06) /*!< SS[14:6] are don't care in Alarm
+ comparison. Only SS[5:0] are compared */
+#define RTC_AlarmSubSecondMask_SS14_7 ((uint8_t)0x07) /*!< SS[14:7] are don't care in Alarm
+ comparison. Only SS[6:0] are compared */
+#define RTC_AlarmSubSecondMask_SS14_8 ((uint8_t)0x08) /*!< SS[14:8] are don't care in Alarm
+ comparison. Only SS[7:0] are compared */
+#define RTC_AlarmSubSecondMask_SS14_9 ((uint8_t)0x09) /*!< SS[14:9] are don't care in Alarm
+ comparison. Only SS[8:0] are compared */
+#define RTC_AlarmSubSecondMask_SS14_10 ((uint8_t)0x0A) /*!< SS[14:10] are don't care in Alarm
+ comparison. Only SS[9:0] are compared */
+#define RTC_AlarmSubSecondMask_SS14_11 ((uint8_t)0x0B) /*!< SS[14:11] are don't care in Alarm
+ comparison. Only SS[10:0] are compared */
+#define RTC_AlarmSubSecondMask_SS14_12 ((uint8_t)0x0C) /*!< SS[14:12] are don't care in Alarm
+ comparison.Only SS[11:0] are compared */
+#define RTC_AlarmSubSecondMask_SS14_13 ((uint8_t)0x0D) /*!< SS[14:13] are don't care in Alarm
+ comparison. Only SS[12:0] are compared */
+#define RTC_AlarmSubSecondMask_SS14 ((uint8_t)0x0E) /*!< SS[14] is don't care in Alarm
+ comparison.Only SS[13:0] are compared */
+#define RTC_AlarmSubSecondMask_None ((uint8_t)0x0F) /*!< SS[14:0] are compared and must match
+ to activate alarm. */
+#define IS_RTC_ALARM_SUB_SECOND_MASK(MASK) (((MASK) == RTC_AlarmSubSecondMask_All) || \
+ ((MASK) == RTC_AlarmSubSecondMask_SS14_1) || \
+ ((MASK) == RTC_AlarmSubSecondMask_SS14_2) || \
+ ((MASK) == RTC_AlarmSubSecondMask_SS14_3) || \
+ ((MASK) == RTC_AlarmSubSecondMask_SS14_4) || \
+ ((MASK) == RTC_AlarmSubSecondMask_SS14_5) || \
+ ((MASK) == RTC_AlarmSubSecondMask_SS14_6) || \
+ ((MASK) == RTC_AlarmSubSecondMask_SS14_7) || \
+ ((MASK) == RTC_AlarmSubSecondMask_SS14_8) || \
+ ((MASK) == RTC_AlarmSubSecondMask_SS14_9) || \
+ ((MASK) == RTC_AlarmSubSecondMask_SS14_10) || \
+ ((MASK) == RTC_AlarmSubSecondMask_SS14_11) || \
+ ((MASK) == RTC_AlarmSubSecondMask_SS14_12) || \
+ ((MASK) == RTC_AlarmSubSecondMask_SS14_13) || \
+ ((MASK) == RTC_AlarmSubSecondMask_SS14) || \
+ ((MASK) == RTC_AlarmSubSecondMask_None))
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Alarm_Sub_Seconds_Value
+ * @{
+ */
+
+#define IS_RTC_ALARM_SUB_SECOND_VALUE(VALUE) ((VALUE) <= 0x00007FFF)
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Wakeup_Timer_Definitions
+ * @brief These parameters are only available for STM32F072 devices
+ * @{
+ */
+#define RTC_WakeUpClock_RTCCLK_Div16 ((uint32_t)0x00000000)
+#define RTC_WakeUpClock_RTCCLK_Div8 ((uint32_t)0x00000001)
+#define RTC_WakeUpClock_RTCCLK_Div4 ((uint32_t)0x00000002)
+#define RTC_WakeUpClock_RTCCLK_Div2 ((uint32_t)0x00000003)
+#define RTC_WakeUpClock_CK_SPRE_16bits ((uint32_t)0x00000004)
+#define RTC_WakeUpClock_CK_SPRE_17bits ((uint32_t)0x00000006)
+#define IS_RTC_WAKEUP_CLOCK(CLOCK) (((CLOCK) == RTC_WakeUpClock_RTCCLK_Div16) || \
+ ((CLOCK) == RTC_WakeUpClock_RTCCLK_Div8) || \
+ ((CLOCK) == RTC_WakeUpClock_RTCCLK_Div4) || \
+ ((CLOCK) == RTC_WakeUpClock_RTCCLK_Div2) || \
+ ((CLOCK) == RTC_WakeUpClock_CK_SPRE_16bits) || \
+ ((CLOCK) == RTC_WakeUpClock_CK_SPRE_17bits))
+#define IS_RTC_WAKEUP_COUNTER(COUNTER) ((COUNTER) <= 0xFFFF)
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Time_Stamp_Edges_definitions
+ * @{
+ */
+#define RTC_TimeStampEdge_Rising ((uint32_t)0x00000000)
+#define RTC_TimeStampEdge_Falling ((uint32_t)0x00000008)
+#define IS_RTC_TIMESTAMP_EDGE(EDGE) (((EDGE) == RTC_TimeStampEdge_Rising) || \
+ ((EDGE) == RTC_TimeStampEdge_Falling))
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Output_selection_Definitions
+ * @{
+ */
+#define RTC_Output_Disable ((uint32_t)0x00000000)
+#define RTC_Output_AlarmA ((uint32_t)0x00200000)
+#define RTC_Output_WakeUp ((uint32_t)0x00600000) /*!< available only for STM32F072 devices */
+
+#define IS_RTC_OUTPUT(OUTPUT) (((OUTPUT) == RTC_Output_Disable) || \
+ ((OUTPUT) == RTC_Output_AlarmA) || \
+ ((OUTPUT) == RTC_Output_WakeUp))
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Output_Polarity_Definitions
+ * @{
+ */
+#define RTC_OutputPolarity_High ((uint32_t)0x00000000)
+#define RTC_OutputPolarity_Low ((uint32_t)0x00100000)
+#define IS_RTC_OUTPUT_POL(POL) (((POL) == RTC_OutputPolarity_High) || \
+ ((POL) == RTC_OutputPolarity_Low))
+/**
+ * @}
+ */
+
+
+/** @defgroup RTC_Calib_Output_selection_Definitions
+ * @{
+ */
+#define RTC_CalibOutput_512Hz ((uint32_t)0x00000000)
+#define RTC_CalibOutput_1Hz ((uint32_t)0x00080000)
+#define IS_RTC_CALIB_OUTPUT(OUTPUT) (((OUTPUT) == RTC_CalibOutput_512Hz) || \
+ ((OUTPUT) == RTC_CalibOutput_1Hz))
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Smooth_calib_period_Definitions
+ * @{
+ */
+#define RTC_SmoothCalibPeriod_32sec ((uint32_t)0x00000000) /*!< if RTCCLK = 32768 Hz, Smooth calibation
+ period is 32s, else 2exp20 RTCCLK seconds */
+#define RTC_SmoothCalibPeriod_16sec ((uint32_t)0x00002000) /*!< if RTCCLK = 32768 Hz, Smooth calibation
+ period is 16s, else 2exp19 RTCCLK seconds */
+#define RTC_SmoothCalibPeriod_8sec ((uint32_t)0x00004000) /*!< if RTCCLK = 32768 Hz, Smooth calibation
+ period is 8s, else 2exp18 RTCCLK seconds */
+#define IS_RTC_SMOOTH_CALIB_PERIOD(PERIOD) (((PERIOD) == RTC_SmoothCalibPeriod_32sec) || \
+ ((PERIOD) == RTC_SmoothCalibPeriod_16sec) || \
+ ((PERIOD) == RTC_SmoothCalibPeriod_8sec))
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Smooth_calib_Plus_pulses_Definitions
+ * @{
+ */
+#define RTC_SmoothCalibPlusPulses_Set ((uint32_t)0x00008000) /*!< The number of RTCCLK pulses added
+ during a X -second window = Y - CALM[8:0].
+ with Y = 512, 256, 128 when X = 32, 16, 8 */
+#define RTC_SmoothCalibPlusPulses_Reset ((uint32_t)0x00000000) /*!< The number of RTCCLK pulses subbstited
+ during a 32-second window = CALM[8:0]. */
+#define IS_RTC_SMOOTH_CALIB_PLUS(PLUS) (((PLUS) == RTC_SmoothCalibPlusPulses_Set) || \
+ ((PLUS) == RTC_SmoothCalibPlusPulses_Reset))
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Smooth_calib_Minus_pulses_Definitions
+ * @{
+ */
+#define IS_RTC_SMOOTH_CALIB_MINUS(VALUE) ((VALUE) <= 0x000001FF)
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_DayLightSaving_Definitions
+ * @{
+ */
+#define RTC_DayLightSaving_SUB1H ((uint32_t)0x00020000)
+#define RTC_DayLightSaving_ADD1H ((uint32_t)0x00010000)
+#define IS_RTC_DAYLIGHT_SAVING(SAVING) (((SAVING) == RTC_DayLightSaving_SUB1H) || \
+ ((SAVING) == RTC_DayLightSaving_ADD1H))
+
+#define RTC_StoreOperation_Reset ((uint32_t)0x00000000)
+#define RTC_StoreOperation_Set ((uint32_t)0x00040000)
+#define IS_RTC_STORE_OPERATION(OPERATION) (((OPERATION) == RTC_StoreOperation_Reset) || \
+ ((OPERATION) == RTC_StoreOperation_Set))
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Tamper_Trigger_Definitions
+ * @{
+ */
+#define RTC_TamperTrigger_RisingEdge ((uint32_t)0x00000000)
+#define RTC_TamperTrigger_FallingEdge ((uint32_t)0x00000001)
+#define RTC_TamperTrigger_LowLevel ((uint32_t)0x00000000)
+#define RTC_TamperTrigger_HighLevel ((uint32_t)0x00000001)
+#define IS_RTC_TAMPER_TRIGGER(TRIGGER) (((TRIGGER) == RTC_TamperTrigger_RisingEdge) || \
+ ((TRIGGER) == RTC_TamperTrigger_FallingEdge) || \
+ ((TRIGGER) == RTC_TamperTrigger_LowLevel) || \
+ ((TRIGGER) == RTC_TamperTrigger_HighLevel))
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Tamper_Filter_Definitions
+ * @{
+ */
+#define RTC_TamperFilter_Disable ((uint32_t)0x00000000) /*!< Tamper filter is disabled */
+
+#define RTC_TamperFilter_2Sample ((uint32_t)0x00000800) /*!< Tamper is activated after 2
+ consecutive samples at the active level */
+#define RTC_TamperFilter_4Sample ((uint32_t)0x00001000) /*!< Tamper is activated after 4
+ consecutive samples at the active level */
+#define RTC_TamperFilter_8Sample ((uint32_t)0x00001800) /*!< Tamper is activated after 8
+ consecutive samples at the active leve. */
+#define IS_RTC_TAMPER_FILTER(FILTER) (((FILTER) == RTC_TamperFilter_Disable) || \
+ ((FILTER) == RTC_TamperFilter_2Sample) || \
+ ((FILTER) == RTC_TamperFilter_4Sample) || \
+ ((FILTER) == RTC_TamperFilter_8Sample))
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Tamper_Sampling_Frequencies_Definitions
+ * @{
+ */
+#define RTC_TamperSamplingFreq_RTCCLK_Div32768 ((uint32_t)0x00000000) /*!< Each of the tamper inputs are sampled
+ with a frequency = RTCCLK / 32768 */
+#define RTC_TamperSamplingFreq_RTCCLK_Div16384 ((uint32_t)0x00000100) /*!< Each of the tamper inputs are sampled
+ with a frequency = RTCCLK / 16384 */
+#define RTC_TamperSamplingFreq_RTCCLK_Div8192 ((uint32_t)0x00000200) /*!< Each of the tamper inputs are sampled
+ with a frequency = RTCCLK / 8192 */
+#define RTC_TamperSamplingFreq_RTCCLK_Div4096 ((uint32_t)0x00000300) /*!< Each of the tamper inputs are sampled
+ with a frequency = RTCCLK / 4096 */
+#define RTC_TamperSamplingFreq_RTCCLK_Div2048 ((uint32_t)0x00000400) /*!< Each of the tamper inputs are sampled
+ with a frequency = RTCCLK / 2048 */
+#define RTC_TamperSamplingFreq_RTCCLK_Div1024 ((uint32_t)0x00000500) /*!< Each of the tamper inputs are sampled
+ with a frequency = RTCCLK / 1024 */
+#define RTC_TamperSamplingFreq_RTCCLK_Div512 ((uint32_t)0x00000600) /*!< Each of the tamper inputs are sampled
+ with a frequency = RTCCLK / 512 */
+#define RTC_TamperSamplingFreq_RTCCLK_Div256 ((uint32_t)0x00000700) /*!< Each of the tamper inputs are sampled
+ with a frequency = RTCCLK / 256 */
+#define IS_RTC_TAMPER_SAMPLING_FREQ(FREQ) (((FREQ) ==RTC_TamperSamplingFreq_RTCCLK_Div32768) || \
+ ((FREQ) ==RTC_TamperSamplingFreq_RTCCLK_Div16384) || \
+ ((FREQ) ==RTC_TamperSamplingFreq_RTCCLK_Div8192) || \
+ ((FREQ) ==RTC_TamperSamplingFreq_RTCCLK_Div4096) || \
+ ((FREQ) ==RTC_TamperSamplingFreq_RTCCLK_Div2048) || \
+ ((FREQ) ==RTC_TamperSamplingFreq_RTCCLK_Div1024) || \
+ ((FREQ) ==RTC_TamperSamplingFreq_RTCCLK_Div512) || \
+ ((FREQ) ==RTC_TamperSamplingFreq_RTCCLK_Div256))
+
+/**
+ * @}
+ */
+
+ /** @defgroup RTC_Tamper_Pin_Precharge_Duration_Definitions
+ * @{
+ */
+#define RTC_TamperPrechargeDuration_1RTCCLK ((uint32_t)0x00000000) /*!< Tamper pins are pre-charged before
+ sampling during 1 RTCCLK cycle */
+#define RTC_TamperPrechargeDuration_2RTCCLK ((uint32_t)0x00002000) /*!< Tamper pins are pre-charged before
+ sampling during 2 RTCCLK cycles */
+#define RTC_TamperPrechargeDuration_4RTCCLK ((uint32_t)0x00004000) /*!< Tamper pins are pre-charged before
+ sampling during 4 RTCCLK cycles */
+#define RTC_TamperPrechargeDuration_8RTCCLK ((uint32_t)0x00006000) /*!< Tamper pins are pre-charged before
+ sampling during 8 RTCCLK cycles */
+
+#define IS_RTC_TAMPER_PRECHARGE_DURATION(DURATION) (((DURATION) == RTC_TamperPrechargeDuration_1RTCCLK) || \
+ ((DURATION) == RTC_TamperPrechargeDuration_2RTCCLK) || \
+ ((DURATION) == RTC_TamperPrechargeDuration_4RTCCLK) || \
+ ((DURATION) == RTC_TamperPrechargeDuration_8RTCCLK))
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Tamper_Pins_Definitions
+ * @{
+ */
+#define RTC_Tamper_1 RTC_TAFCR_TAMP1E /*!< Tamper detection enable for
+ input tamper 1 */
+#define RTC_Tamper_2 RTC_TAFCR_TAMP2E /*!< Tamper detection enable for
+ input tamper 2 */
+#define RTC_Tamper_3 RTC_TAFCR_TAMP3E /*!< Tamper detection enable for
+ input tamper 3, available only
+ for STM32F072 devices */
+#define IS_RTC_TAMPER(TAMPER) ((((TAMPER) & (uint32_t)0xFFFFFFD6) == 0x00) && ((TAMPER) != (uint32_t)RESET))
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Output_Type_ALARM_OUT
+ * @{
+ */
+#define RTC_OutputType_OpenDrain ((uint32_t)0x00000000)
+#define RTC_OutputType_PushPull ((uint32_t)0x00040000)
+#define IS_RTC_OUTPUT_TYPE(TYPE) (((TYPE) == RTC_OutputType_OpenDrain) || \
+ ((TYPE) == RTC_OutputType_PushPull))
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Add_1_Second_Parameter_Definitions
+ * @{
+ */
+#define RTC_ShiftAdd1S_Reset ((uint32_t)0x00000000)
+#define RTC_ShiftAdd1S_Set ((uint32_t)0x80000000)
+#define IS_RTC_SHIFT_ADD1S(SEL) (((SEL) == RTC_ShiftAdd1S_Reset) || \
+ ((SEL) == RTC_ShiftAdd1S_Set))
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Substract_Fraction_Of_Second_Value
+ * @{
+ */
+#define IS_RTC_SHIFT_SUBFS(FS) ((FS) <= 0x00007FFF)
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Backup_Registers_Definitions
+ * @{
+ */
+
+#define RTC_BKP_DR0 ((uint32_t)0x00000000)
+#define RTC_BKP_DR1 ((uint32_t)0x00000001)
+#define RTC_BKP_DR2 ((uint32_t)0x00000002)
+#define RTC_BKP_DR3 ((uint32_t)0x00000003)
+#define RTC_BKP_DR4 ((uint32_t)0x00000004)
+#define IS_RTC_BKP(BKP) (((BKP) == RTC_BKP_DR0) || \
+ ((BKP) == RTC_BKP_DR1) || \
+ ((BKP) == RTC_BKP_DR2) || \
+ ((BKP) == RTC_BKP_DR3) || \
+ ((BKP) == RTC_BKP_DR4))
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Input_parameter_format_definitions
+ * @{
+ */
+#define RTC_Format_BIN ((uint32_t)0x000000000)
+#define RTC_Format_BCD ((uint32_t)0x000000001)
+#define IS_RTC_FORMAT(FORMAT) (((FORMAT) == RTC_Format_BIN) || ((FORMAT) == RTC_Format_BCD))
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Flags_Definitions
+ * @{
+ */
+#define RTC_FLAG_RECALPF RTC_ISR_RECALPF
+#define RTC_FLAG_TAMP3F RTC_ISR_TAMP3F /*!< Only available for STM32F072 devices */
+#define RTC_FLAG_TAMP2F RTC_ISR_TAMP2F
+#define RTC_FLAG_TAMP1F RTC_ISR_TAMP1F
+#define RTC_FLAG_TSOVF RTC_ISR_TSOVF
+#define RTC_FLAG_TSF RTC_ISR_TSF
+#define RTC_FLAG_WUTF RTC_ISR_WUTF /*!< Only available for STM32F072 devices */
+#define RTC_FLAG_ALRAF RTC_ISR_ALRAF
+#define RTC_FLAG_INITF RTC_ISR_INITF
+#define RTC_FLAG_RSF RTC_ISR_RSF
+#define RTC_FLAG_INITS RTC_ISR_INITS
+#define RTC_FLAG_SHPF RTC_ISR_SHPF
+#define RTC_FLAG_WUTWF RTC_ISR_WUTWF /*!< Only available for STM32F072 devices */
+#define RTC_FLAG_ALRAWF RTC_ISR_ALRAWF
+
+#define IS_RTC_GET_FLAG(FLAG) (((FLAG) == RTC_FLAG_TSOVF) || ((FLAG) == RTC_FLAG_TSF) || \
+ ((FLAG) == RTC_FLAG_WUTF) || ((FLAG) == RTC_FLAG_ALRAWF) || \
+ ((FLAG) == RTC_FLAG_ALRAF) || ((FLAG) == RTC_FLAG_INITF) || \
+ ((FLAG) == RTC_FLAG_RSF) || ((FLAG) == RTC_FLAG_WUTWF) || \
+ ((FLAG) == RTC_FLAG_TAMP1F) || ((FLAG) == RTC_FLAG_TAMP2F) || \
+ ((FLAG) == RTC_FLAG_TAMP3F) || ((FLAG) == RTC_FLAG_RECALPF) || \
+ ((FLAG) == RTC_FLAG_SHPF))
+#define IS_RTC_CLEAR_FLAG(FLAG) (((FLAG) != (uint32_t)RESET) && (((FLAG) & 0xFFFF02DF) == (uint32_t)RESET))
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Interrupts_Definitions
+ * @{
+ */
+#define RTC_IT_TS ((uint32_t)0x00008000)
+#define RTC_IT_WUT ((uint32_t)0x00004000) /* Available only for STM32F072 devices */
+#define RTC_IT_ALRA ((uint32_t)0x00001000)
+#define RTC_IT_TAMP ((uint32_t)0x00000004) /* Used only to Enable the Tamper Interrupt */
+#define RTC_IT_TAMP1 ((uint32_t)0x00020000)
+#define RTC_IT_TAMP2 ((uint32_t)0x00040000)
+#define RTC_IT_TAMP3 ((uint32_t)0x00080000) /* Available only for STM32F072 devices */
+
+#define IS_RTC_CONFIG_IT(IT) (((IT) != (uint32_t)RESET) && (((IT) & 0xFFFF2FFB) == (uint32_t)RESET))
+#define IS_RTC_GET_IT(IT) (((IT) == RTC_IT_TS) || ((IT) == RTC_IT_ALRA) || \
+ ((IT) == RTC_IT_TAMP1) || ((IT) == RTC_IT_WUT) || \
+ ((IT) == RTC_IT_TAMP2) || ((IT) == RTC_IT_TAMP3))
+
+#define IS_RTC_CLEAR_IT(IT) (((IT) != (uint32_t)RESET) && (((IT) & 0xFFF12FFF) == (uint32_t)RESET))
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+/* Function used to set the RTC configuration to the default reset state *****/
+ErrorStatus RTC_DeInit(void);
+
+
+/* Initialization and Configuration functions *********************************/
+ErrorStatus RTC_Init(RTC_InitTypeDef* RTC_InitStruct);
+void RTC_StructInit(RTC_InitTypeDef* RTC_InitStruct);
+void RTC_WriteProtectionCmd(FunctionalState NewState);
+ErrorStatus RTC_EnterInitMode(void);
+void RTC_ExitInitMode(void);
+ErrorStatus RTC_WaitForSynchro(void);
+ErrorStatus RTC_RefClockCmd(FunctionalState NewState);
+void RTC_BypassShadowCmd(FunctionalState NewState);
+
+/* Time and Date configuration functions **************************************/
+ErrorStatus RTC_SetTime(uint32_t RTC_Format, RTC_TimeTypeDef* RTC_TimeStruct);
+void RTC_TimeStructInit(RTC_TimeTypeDef* RTC_TimeStruct);
+void RTC_GetTime(uint32_t RTC_Format, RTC_TimeTypeDef* RTC_TimeStruct);
+uint32_t RTC_GetSubSecond(void);
+ErrorStatus RTC_SetDate(uint32_t RTC_Format, RTC_DateTypeDef* RTC_DateStruct);
+void RTC_DateStructInit(RTC_DateTypeDef* RTC_DateStruct);
+void RTC_GetDate(uint32_t RTC_Format, RTC_DateTypeDef* RTC_DateStruct);
+
+/* Alarms (Alarm A) configuration functions **********************************/
+void RTC_SetAlarm(uint32_t RTC_Format, uint32_t RTC_Alarm, RTC_AlarmTypeDef* RTC_AlarmStruct);
+void RTC_AlarmStructInit(RTC_AlarmTypeDef* RTC_AlarmStruct);
+void RTC_GetAlarm(uint32_t RTC_Format, uint32_t RTC_Alarm, RTC_AlarmTypeDef* RTC_AlarmStruct);
+ErrorStatus RTC_AlarmCmd(uint32_t RTC_Alarm, FunctionalState NewState);
+void RTC_AlarmSubSecondConfig(uint32_t RTC_Alarm, uint32_t RTC_AlarmSubSecondValue, uint8_t RTC_AlarmSubSecondMask);
+uint32_t RTC_GetAlarmSubSecond(uint32_t RTC_Alarm);
+
+/* WakeUp Timer configuration functions ***************************************/
+void RTC_WakeUpClockConfig(uint32_t RTC_WakeUpClock); /*!< available only for STM32F072 devices */
+void RTC_SetWakeUpCounter(uint32_t RTC_WakeUpCounter); /*!< available only for STM32F072 devices */
+uint32_t RTC_GetWakeUpCounter(void); /*!< available only for STM32F072 devices */
+ErrorStatus RTC_WakeUpCmd(FunctionalState NewState); /*!< available only for STM32F072 devices */
+
+/* Daylight Saving configuration functions ************************************/
+void RTC_DayLightSavingConfig(uint32_t RTC_DayLightSaving, uint32_t RTC_StoreOperation);
+uint32_t RTC_GetStoreOperation(void);
+
+/* Output pin Configuration function ******************************************/
+void RTC_OutputConfig(uint32_t RTC_Output, uint32_t RTC_OutputPolarity);
+
+/* Digital Calibration configuration functions ********************************/
+void RTC_CalibOutputCmd(FunctionalState NewState);
+void RTC_CalibOutputConfig(uint32_t RTC_CalibOutput);
+ErrorStatus RTC_SmoothCalibConfig(uint32_t RTC_SmoothCalibPeriod,
+ uint32_t RTC_SmoothCalibPlusPulses,
+ uint32_t RTC_SmouthCalibMinusPulsesValue);
+
+/* TimeStamp configuration functions ******************************************/
+void RTC_TimeStampCmd(uint32_t RTC_TimeStampEdge, FunctionalState NewState);
+void RTC_GetTimeStamp(uint32_t RTC_Format, RTC_TimeTypeDef* RTC_StampTimeStruct, RTC_DateTypeDef* RTC_StampDateStruct);
+uint32_t RTC_GetTimeStampSubSecond(void);
+
+/* Tampers configuration functions ********************************************/
+void RTC_TamperTriggerConfig(uint32_t RTC_Tamper, uint32_t RTC_TamperTrigger);
+void RTC_TamperCmd(uint32_t RTC_Tamper, FunctionalState NewState);
+void RTC_TamperFilterConfig(uint32_t RTC_TamperFilter);
+void RTC_TamperSamplingFreqConfig(uint32_t RTC_TamperSamplingFreq);
+void RTC_TamperPinsPrechargeDuration(uint32_t RTC_TamperPrechargeDuration);
+void RTC_TimeStampOnTamperDetectionCmd(FunctionalState NewState);
+void RTC_TamperPullUpCmd(FunctionalState NewState);
+
+/* Backup Data Registers configuration functions ******************************/
+void RTC_WriteBackupRegister(uint32_t RTC_BKP_DR, uint32_t Data);
+uint32_t RTC_ReadBackupRegister(uint32_t RTC_BKP_DR);
+
+/* Output Type Config configuration functions *********************************/
+void RTC_OutputTypeConfig(uint32_t RTC_OutputType);
+
+/* RTC_Shift_control_synchonisation_functions *********************************/
+ErrorStatus RTC_SynchroShiftConfig(uint32_t RTC_ShiftAdd1S, uint32_t RTC_ShiftSubFS);
+
+/* Interrupts and flags management functions **********************************/
+void RTC_ITConfig(uint32_t RTC_IT, FunctionalState NewState);
+FlagStatus RTC_GetFlagStatus(uint32_t RTC_FLAG);
+void RTC_ClearFlag(uint32_t RTC_FLAG);
+ITStatus RTC_GetITStatus(uint32_t RTC_IT);
+void RTC_ClearITPendingBit(uint32_t RTC_IT);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*__STM32F0XX_RTC_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_spi.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_spi.h
new file mode 100644
index 00000000..711d908c
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_spi.h
@@ -0,0 +1,588 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_spi.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the SPI
+ * firmware library.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_SPI_H
+#define __STM32F0XX_SPI_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup SPI
+ * @{
+ */
+
+/* Exported types ------------------------------------------------------------*/
+
+/**
+ * @brief SPI Init structure definition
+ */
+
+typedef struct
+{
+ uint16_t SPI_Direction; /*!< Specifies the SPI unidirectional or bidirectional data mode.
+ This parameter can be a value of @ref SPI_data_direction */
+
+ uint16_t SPI_Mode; /*!< Specifies the SPI mode (Master/Slave).
+ This parameter can be a value of @ref SPI_mode */
+
+ uint16_t SPI_DataSize; /*!< Specifies the SPI data size.
+ This parameter can be a value of @ref SPI_data_size */
+
+ uint16_t SPI_CPOL; /*!< Specifies the serial clock steady state.
+ This parameter can be a value of @ref SPI_Clock_Polarity */
+
+ uint16_t SPI_CPHA; /*!< Specifies the clock active edge for the bit capture.
+ This parameter can be a value of @ref SPI_Clock_Phase */
+
+ uint16_t SPI_NSS; /*!< Specifies whether the NSS signal is managed by
+ hardware (NSS pin) or by software using the SSI bit.
+ This parameter can be a value of @ref SPI_Slave_Select_management */
+
+ uint16_t SPI_BaudRatePrescaler; /*!< Specifies the Baud Rate prescaler value which will be
+ used to configure the transmit and receive SCK clock.
+ This parameter can be a value of @ref SPI_BaudRate_Prescaler
+ @note The communication clock is derived from the master
+ clock. The slave clock does not need to be set. */
+
+ uint16_t SPI_FirstBit; /*!< Specifies whether data transfers start from MSB or LSB bit.
+ This parameter can be a value of @ref SPI_MSB_LSB_transmission */
+
+ uint16_t SPI_CRCPolynomial; /*!< Specifies the polynomial used for the CRC calculation. */
+}SPI_InitTypeDef;
+
+
+/**
+ * @brief I2S Init structure definition
+ * @note These parameters are not available for STM32F030 devices.
+ */
+
+typedef struct
+{
+ uint16_t I2S_Mode; /*!< Specifies the I2S operating mode.
+ This parameter can be a value of @ref SPI_I2S_Mode */
+
+ uint16_t I2S_Standard; /*!< Specifies the standard used for the I2S communication.
+ This parameter can be a value of @ref SPI_I2S_Standard */
+
+ uint16_t I2S_DataFormat; /*!< Specifies the data format for the I2S communication.
+ This parameter can be a value of @ref SPI_I2S_Data_Format */
+
+ uint16_t I2S_MCLKOutput; /*!< Specifies whether the I2S MCLK output is enabled or not.
+ This parameter can be a value of @ref SPI_I2S_MCLK_Output */
+
+ uint32_t I2S_AudioFreq; /*!< Specifies the frequency selected for the I2S communication.
+ This parameter can be a value of @ref SPI_I2S_Audio_Frequency */
+
+ uint16_t I2S_CPOL; /*!< Specifies the idle state of the I2S clock.
+ This parameter can be a value of @ref SPI_I2S_Clock_Polarity */
+}I2S_InitTypeDef;
+
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup SPI_Exported_Constants
+ * @{
+ */
+
+#define IS_SPI_ALL_PERIPH(PERIPH) (((PERIPH) == SPI1) || \
+ ((PERIPH) == SPI2))
+
+#define IS_SPI_1_PERIPH(PERIPH) (((PERIPH) == SPI1))
+
+/** @defgroup SPI_data_direction
+ * @{
+ */
+
+#define SPI_Direction_2Lines_FullDuplex ((uint16_t)0x0000)
+#define SPI_Direction_2Lines_RxOnly ((uint16_t)0x0400)
+#define SPI_Direction_1Line_Rx ((uint16_t)0x8000)
+#define SPI_Direction_1Line_Tx ((uint16_t)0xC000)
+#define IS_SPI_DIRECTION_MODE(MODE) (((MODE) == SPI_Direction_2Lines_FullDuplex) || \
+ ((MODE) == SPI_Direction_2Lines_RxOnly) || \
+ ((MODE) == SPI_Direction_1Line_Rx) || \
+ ((MODE) == SPI_Direction_1Line_Tx))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_mode
+ * @{
+ */
+
+#define SPI_Mode_Master ((uint16_t)0x0104)
+#define SPI_Mode_Slave ((uint16_t)0x0000)
+#define IS_SPI_MODE(MODE) (((MODE) == SPI_Mode_Master) || \
+ ((MODE) == SPI_Mode_Slave))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_data_size
+ * @{
+ */
+
+#define SPI_DataSize_4b ((uint16_t)0x0300)
+#define SPI_DataSize_5b ((uint16_t)0x0400)
+#define SPI_DataSize_6b ((uint16_t)0x0500)
+#define SPI_DataSize_7b ((uint16_t)0x0600)
+#define SPI_DataSize_8b ((uint16_t)0x0700)
+#define SPI_DataSize_9b ((uint16_t)0x0800)
+#define SPI_DataSize_10b ((uint16_t)0x0900)
+#define SPI_DataSize_11b ((uint16_t)0x0A00)
+#define SPI_DataSize_12b ((uint16_t)0x0B00)
+#define SPI_DataSize_13b ((uint16_t)0x0C00)
+#define SPI_DataSize_14b ((uint16_t)0x0D00)
+#define SPI_DataSize_15b ((uint16_t)0x0E00)
+#define SPI_DataSize_16b ((uint16_t)0x0F00)
+#define IS_SPI_DATA_SIZE(SIZE) (((SIZE) == SPI_DataSize_4b) || \
+ ((SIZE) == SPI_DataSize_5b) || \
+ ((SIZE) == SPI_DataSize_6b) || \
+ ((SIZE) == SPI_DataSize_7b) || \
+ ((SIZE) == SPI_DataSize_8b) || \
+ ((SIZE) == SPI_DataSize_9b) || \
+ ((SIZE) == SPI_DataSize_10b) || \
+ ((SIZE) == SPI_DataSize_11b) || \
+ ((SIZE) == SPI_DataSize_12b) || \
+ ((SIZE) == SPI_DataSize_13b) || \
+ ((SIZE) == SPI_DataSize_14b) || \
+ ((SIZE) == SPI_DataSize_15b) || \
+ ((SIZE) == SPI_DataSize_16b))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_CRC_length
+ * @{
+ */
+
+#define SPI_CRCLength_8b ((uint16_t)0x0000)
+#define SPI_CRCLength_16b SPI_CR1_CRCL
+#define IS_SPI_CRC_LENGTH(LENGTH) (((LENGTH) == SPI_CRCLength_8b) || \
+ ((LENGTH) == SPI_CRCLength_16b))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_Clock_Polarity
+ * @{
+ */
+
+#define SPI_CPOL_Low ((uint16_t)0x0000)
+#define SPI_CPOL_High SPI_CR1_CPOL
+#define IS_SPI_CPOL(CPOL) (((CPOL) == SPI_CPOL_Low) || \
+ ((CPOL) == SPI_CPOL_High))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_Clock_Phase
+ * @{
+ */
+
+#define SPI_CPHA_1Edge ((uint16_t)0x0000)
+#define SPI_CPHA_2Edge SPI_CR1_CPHA
+#define IS_SPI_CPHA(CPHA) (((CPHA) == SPI_CPHA_1Edge) || \
+ ((CPHA) == SPI_CPHA_2Edge))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_Slave_Select_management
+ * @{
+ */
+
+#define SPI_NSS_Soft SPI_CR1_SSM
+#define SPI_NSS_Hard ((uint16_t)0x0000)
+#define IS_SPI_NSS(NSS) (((NSS) == SPI_NSS_Soft) || \
+ ((NSS) == SPI_NSS_Hard))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_BaudRate_Prescaler
+ * @{
+ */
+
+#define SPI_BaudRatePrescaler_2 ((uint16_t)0x0000)
+#define SPI_BaudRatePrescaler_4 ((uint16_t)0x0008)
+#define SPI_BaudRatePrescaler_8 ((uint16_t)0x0010)
+#define SPI_BaudRatePrescaler_16 ((uint16_t)0x0018)
+#define SPI_BaudRatePrescaler_32 ((uint16_t)0x0020)
+#define SPI_BaudRatePrescaler_64 ((uint16_t)0x0028)
+#define SPI_BaudRatePrescaler_128 ((uint16_t)0x0030)
+#define SPI_BaudRatePrescaler_256 ((uint16_t)0x0038)
+#define IS_SPI_BAUDRATE_PRESCALER(PRESCALER) (((PRESCALER) == SPI_BaudRatePrescaler_2) || \
+ ((PRESCALER) == SPI_BaudRatePrescaler_4) || \
+ ((PRESCALER) == SPI_BaudRatePrescaler_8) || \
+ ((PRESCALER) == SPI_BaudRatePrescaler_16) || \
+ ((PRESCALER) == SPI_BaudRatePrescaler_32) || \
+ ((PRESCALER) == SPI_BaudRatePrescaler_64) || \
+ ((PRESCALER) == SPI_BaudRatePrescaler_128) || \
+ ((PRESCALER) == SPI_BaudRatePrescaler_256))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_MSB_LSB_transmission
+ * @{
+ */
+
+#define SPI_FirstBit_MSB ((uint16_t)0x0000)
+#define SPI_FirstBit_LSB SPI_CR1_LSBFIRST
+#define IS_SPI_FIRST_BIT(BIT) (((BIT) == SPI_FirstBit_MSB) || \
+ ((BIT) == SPI_FirstBit_LSB))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_I2S_Mode
+ * @{
+ */
+
+#define I2S_Mode_SlaveTx ((uint16_t)0x0000)
+#define I2S_Mode_SlaveRx ((uint16_t)0x0100)
+#define I2S_Mode_MasterTx ((uint16_t)0x0200)
+#define I2S_Mode_MasterRx ((uint16_t)0x0300)
+#define IS_I2S_MODE(MODE) (((MODE) == I2S_Mode_SlaveTx) || \
+ ((MODE) == I2S_Mode_SlaveRx) || \
+ ((MODE) == I2S_Mode_MasterTx)|| \
+ ((MODE) == I2S_Mode_MasterRx))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_I2S_Standard
+ * @{
+ */
+
+#define I2S_Standard_Phillips ((uint16_t)0x0000)
+#define I2S_Standard_MSB ((uint16_t)0x0010)
+#define I2S_Standard_LSB ((uint16_t)0x0020)
+#define I2S_Standard_PCMShort ((uint16_t)0x0030)
+#define I2S_Standard_PCMLong ((uint16_t)0x00B0)
+#define IS_I2S_STANDARD(STANDARD) (((STANDARD) == I2S_Standard_Phillips) || \
+ ((STANDARD) == I2S_Standard_MSB) || \
+ ((STANDARD) == I2S_Standard_LSB) || \
+ ((STANDARD) == I2S_Standard_PCMShort) || \
+ ((STANDARD) == I2S_Standard_PCMLong))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_I2S_Data_Format
+ * @{
+ */
+
+#define I2S_DataFormat_16b ((uint16_t)0x0000)
+#define I2S_DataFormat_16bextended ((uint16_t)0x0001)
+#define I2S_DataFormat_24b ((uint16_t)0x0003)
+#define I2S_DataFormat_32b ((uint16_t)0x0005)
+#define IS_I2S_DATA_FORMAT(FORMAT) (((FORMAT) == I2S_DataFormat_16b) || \
+ ((FORMAT) == I2S_DataFormat_16bextended) || \
+ ((FORMAT) == I2S_DataFormat_24b) || \
+ ((FORMAT) == I2S_DataFormat_32b))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_I2S_MCLK_Output
+ * @{
+ */
+
+#define I2S_MCLKOutput_Enable SPI_I2SPR_MCKOE
+#define I2S_MCLKOutput_Disable ((uint16_t)0x0000)
+#define IS_I2S_MCLK_OUTPUT(OUTPUT) (((OUTPUT) == I2S_MCLKOutput_Enable) || \
+ ((OUTPUT) == I2S_MCLKOutput_Disable))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_I2S_Audio_Frequency
+ * @{
+ */
+
+#define I2S_AudioFreq_192k ((uint32_t)192000)
+#define I2S_AudioFreq_96k ((uint32_t)96000)
+#define I2S_AudioFreq_48k ((uint32_t)48000)
+#define I2S_AudioFreq_44k ((uint32_t)44100)
+#define I2S_AudioFreq_32k ((uint32_t)32000)
+#define I2S_AudioFreq_22k ((uint32_t)22050)
+#define I2S_AudioFreq_16k ((uint32_t)16000)
+#define I2S_AudioFreq_11k ((uint32_t)11025)
+#define I2S_AudioFreq_8k ((uint32_t)8000)
+#define I2S_AudioFreq_Default ((uint32_t)2)
+
+#define IS_I2S_AUDIO_FREQ(FREQ) ((((FREQ) >= I2S_AudioFreq_8k) && \
+ ((FREQ) <= I2S_AudioFreq_192k)) || \
+ ((FREQ) == I2S_AudioFreq_Default))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_I2S_Clock_Polarity
+ * @{
+ */
+
+#define I2S_CPOL_Low ((uint16_t)0x0000)
+#define I2S_CPOL_High SPI_I2SCFGR_CKPOL
+#define IS_I2S_CPOL(CPOL) (((CPOL) == I2S_CPOL_Low) || \
+ ((CPOL) == I2S_CPOL_High))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_FIFO_reception_threshold
+ * @{
+ */
+
+#define SPI_RxFIFOThreshold_HF ((uint16_t)0x0000)
+#define SPI_RxFIFOThreshold_QF SPI_CR2_FRXTH
+#define IS_SPI_RX_FIFO_THRESHOLD(THRESHOLD) (((THRESHOLD) == SPI_RxFIFOThreshold_HF) || \
+ ((THRESHOLD) == SPI_RxFIFOThreshold_QF))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_I2S_DMA_transfer_requests
+ * @{
+ */
+
+#define SPI_I2S_DMAReq_Tx SPI_CR2_TXDMAEN
+#define SPI_I2S_DMAReq_Rx SPI_CR2_RXDMAEN
+#define IS_SPI_I2S_DMA_REQ(REQ) ((((REQ) & (uint16_t)0xFFFC) == 0x00) && ((REQ) != 0x00))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_last_DMA_transfers
+ * @{
+ */
+
+#define SPI_LastDMATransfer_TxEvenRxEven ((uint16_t)0x0000)
+#define SPI_LastDMATransfer_TxOddRxEven ((uint16_t)0x4000)
+#define SPI_LastDMATransfer_TxEvenRxOdd ((uint16_t)0x2000)
+#define SPI_LastDMATransfer_TxOddRxOdd ((uint16_t)0x6000)
+#define IS_SPI_LAST_DMA_TRANSFER(TRANSFER) (((TRANSFER) == SPI_LastDMATransfer_TxEvenRxEven) || \
+ ((TRANSFER) == SPI_LastDMATransfer_TxOddRxEven) || \
+ ((TRANSFER) == SPI_LastDMATransfer_TxEvenRxOdd) || \
+ ((TRANSFER) == SPI_LastDMATransfer_TxOddRxOdd))
+/**
+ * @}
+ */
+/** @defgroup SPI_NSS_internal_software_management
+ * @{
+ */
+
+#define SPI_NSSInternalSoft_Set SPI_CR1_SSI
+#define SPI_NSSInternalSoft_Reset ((uint16_t)0xFEFF)
+#define IS_SPI_NSS_INTERNAL(INTERNAL) (((INTERNAL) == SPI_NSSInternalSoft_Set) || \
+ ((INTERNAL) == SPI_NSSInternalSoft_Reset))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_CRC_Transmit_Receive
+ * @{
+ */
+
+#define SPI_CRC_Tx ((uint8_t)0x00)
+#define SPI_CRC_Rx ((uint8_t)0x01)
+#define IS_SPI_CRC(CRC) (((CRC) == SPI_CRC_Tx) || ((CRC) == SPI_CRC_Rx))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_direction_transmit_receive
+ * @{
+ */
+
+#define SPI_Direction_Rx ((uint16_t)0xBFFF)
+#define SPI_Direction_Tx ((uint16_t)0x4000)
+#define IS_SPI_DIRECTION(DIRECTION) (((DIRECTION) == SPI_Direction_Rx) || \
+ ((DIRECTION) == SPI_Direction_Tx))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_I2S_interrupts_definition
+ * @{
+ */
+
+#define SPI_I2S_IT_TXE ((uint8_t)0x71)
+#define SPI_I2S_IT_RXNE ((uint8_t)0x60)
+#define SPI_I2S_IT_ERR ((uint8_t)0x50)
+
+#define IS_SPI_I2S_CONFIG_IT(IT) (((IT) == SPI_I2S_IT_TXE) || \
+ ((IT) == SPI_I2S_IT_RXNE) || \
+ ((IT) == SPI_I2S_IT_ERR))
+
+#define I2S_IT_UDR ((uint8_t)0x53)
+#define SPI_IT_MODF ((uint8_t)0x55)
+#define SPI_I2S_IT_OVR ((uint8_t)0x56)
+#define SPI_I2S_IT_FRE ((uint8_t)0x58)
+
+#define IS_SPI_I2S_GET_IT(IT) (((IT) == SPI_I2S_IT_RXNE) || ((IT) == SPI_I2S_IT_TXE) || \
+ ((IT) == SPI_I2S_IT_OVR) || ((IT) == SPI_IT_MODF) || \
+ ((IT) == SPI_I2S_IT_FRE)|| ((IT) == I2S_IT_UDR))
+/**
+ * @}
+ */
+
+
+/** @defgroup SPI_transmission_fifo_status_level
+ * @{
+ */
+
+#define SPI_TransmissionFIFOStatus_Empty ((uint16_t)0x0000)
+#define SPI_TransmissionFIFOStatus_1QuarterFull ((uint16_t)0x0800)
+#define SPI_TransmissionFIFOStatus_HalfFull ((uint16_t)0x1000)
+#define SPI_TransmissionFIFOStatus_Full ((uint16_t)0x1800)
+
+/**
+ * @}
+ */
+
+/** @defgroup SPI_reception_fifo_status_level
+ * @{
+ */
+#define SPI_ReceptionFIFOStatus_Empty ((uint16_t)0x0000)
+#define SPI_ReceptionFIFOStatus_1QuarterFull ((uint16_t)0x0200)
+#define SPI_ReceptionFIFOStatus_HalfFull ((uint16_t)0x0400)
+#define SPI_ReceptionFIFOStatus_Full ((uint16_t)0x0600)
+
+/**
+ * @}
+ */
+
+
+/** @defgroup SPI_I2S_flags_definition
+ * @{
+ */
+
+#define SPI_I2S_FLAG_RXNE SPI_SR_RXNE
+#define SPI_I2S_FLAG_TXE SPI_SR_TXE
+#define I2S_FLAG_CHSIDE SPI_SR_CHSIDE
+#define I2S_FLAG_UDR SPI_SR_UDR
+#define SPI_FLAG_CRCERR SPI_SR_CRCERR
+#define SPI_FLAG_MODF SPI_SR_MODF
+#define SPI_I2S_FLAG_OVR SPI_SR_OVR
+#define SPI_I2S_FLAG_BSY SPI_SR_BSY
+#define SPI_I2S_FLAG_FRE SPI_SR_FRE
+
+
+
+#define IS_SPI_CLEAR_FLAG(FLAG) (((FLAG) == SPI_FLAG_CRCERR))
+#define IS_SPI_I2S_GET_FLAG(FLAG) (((FLAG) == SPI_I2S_FLAG_BSY) || ((FLAG) == SPI_I2S_FLAG_OVR) || \
+ ((FLAG) == SPI_FLAG_MODF) || ((FLAG) == SPI_FLAG_CRCERR) || \
+ ((FLAG) == SPI_I2S_FLAG_TXE) || ((FLAG) == SPI_I2S_FLAG_RXNE)|| \
+ ((FLAG) == SPI_I2S_FLAG_FRE)|| ((FLAG) == I2S_FLAG_CHSIDE)|| \
+ ((FLAG) == I2S_FLAG_UDR))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_CRC_polynomial
+ * @{
+ */
+
+#define IS_SPI_CRC_POLYNOMIAL(POLYNOMIAL) ((POLYNOMIAL) >= 0x1)
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+
+/* Initialization and Configuration functions *********************************/
+void SPI_I2S_DeInit(SPI_TypeDef* SPIx);
+void SPI_Init(SPI_TypeDef* SPIx, SPI_InitTypeDef* SPI_InitStruct);
+void I2S_Init(SPI_TypeDef* SPIx, I2S_InitTypeDef* I2S_InitStruct); /*!< Not applicable for STM32F030 devices */
+void SPI_StructInit(SPI_InitTypeDef* SPI_InitStruct);
+void I2S_StructInit(I2S_InitTypeDef* I2S_InitStruct); /*!< Not applicable for STM32F030 devices */
+void SPI_TIModeCmd(SPI_TypeDef* SPIx, FunctionalState NewState);
+void SPI_NSSPulseModeCmd(SPI_TypeDef* SPIx, FunctionalState NewState);
+void SPI_Cmd(SPI_TypeDef* SPIx, FunctionalState NewState);
+void I2S_Cmd(SPI_TypeDef* SPIx, FunctionalState NewState); /*!< Not applicable for STM32F030 devices */
+void SPI_DataSizeConfig(SPI_TypeDef* SPIx, uint16_t SPI_DataSize);
+void SPI_RxFIFOThresholdConfig(SPI_TypeDef* SPIx, uint16_t SPI_RxFIFOThreshold);
+void SPI_BiDirectionalLineConfig(SPI_TypeDef* SPIx, uint16_t SPI_Direction);
+void SPI_NSSInternalSoftwareConfig(SPI_TypeDef* SPIx, uint16_t SPI_NSSInternalSoft);
+void SPI_SSOutputCmd(SPI_TypeDef* SPIx, FunctionalState NewState);
+
+/* Data transfers functions ***************************************************/
+void SPI_SendData8(SPI_TypeDef* SPIx, uint8_t Data);
+void SPI_I2S_SendData16(SPI_TypeDef* SPIx, uint16_t Data);
+uint8_t SPI_ReceiveData8(SPI_TypeDef* SPIx);
+uint16_t SPI_I2S_ReceiveData16(SPI_TypeDef* SPIx);
+
+/* Hardware CRC Calculation functions *****************************************/
+void SPI_CRCLengthConfig(SPI_TypeDef* SPIx, uint16_t SPI_CRCLength);
+void SPI_CalculateCRC(SPI_TypeDef* SPIx, FunctionalState NewState);
+void SPI_TransmitCRC(SPI_TypeDef* SPIx);
+uint16_t SPI_GetCRC(SPI_TypeDef* SPIx, uint8_t SPI_CRC);
+uint16_t SPI_GetCRCPolynomial(SPI_TypeDef* SPIx);
+
+/* DMA transfers management functions *****************************************/
+void SPI_I2S_DMACmd(SPI_TypeDef* SPIx, uint16_t SPI_I2S_DMAReq, FunctionalState NewState);
+void SPI_LastDMATransferCmd(SPI_TypeDef* SPIx, uint16_t SPI_LastDMATransfer);
+
+/* Interrupts and flags management functions **********************************/
+void SPI_I2S_ITConfig(SPI_TypeDef* SPIx, uint8_t SPI_I2S_IT, FunctionalState NewState);
+uint16_t SPI_GetTransmissionFIFOStatus(SPI_TypeDef* SPIx);
+uint16_t SPI_GetReceptionFIFOStatus(SPI_TypeDef* SPIx);
+FlagStatus SPI_I2S_GetFlagStatus(SPI_TypeDef* SPIx, uint16_t SPI_I2S_FLAG);
+void SPI_I2S_ClearFlag(SPI_TypeDef* SPIx, uint16_t SPI_I2S_FLAG);
+ITStatus SPI_I2S_GetITStatus(SPI_TypeDef* SPIx, uint8_t SPI_I2S_IT);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*__STM32F0XX_SPI_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_syscfg.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_syscfg.h
new file mode 100644
index 00000000..86560377
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_syscfg.h
@@ -0,0 +1,459 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_syscfg.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the SYSCFG firmware
+ * library.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/*!< Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_SYSCFG_H
+#define __STM32F0XX_SYSCFG_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/*!< Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup SYSCFG
+ * @{
+ */
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup SYSCFG_Exported_Constants
+ * @{
+ */
+
+/** @defgroup SYSCFG_EXTI_Port_Sources
+ * @{
+ */
+#define EXTI_PortSourceGPIOA ((uint8_t)0x00)
+#define EXTI_PortSourceGPIOB ((uint8_t)0x01)
+#define EXTI_PortSourceGPIOC ((uint8_t)0x02)
+#define EXTI_PortSourceGPIOD ((uint8_t)0x03) /*!< not available for STM32F031 devices */
+#define EXTI_PortSourceGPIOE ((uint8_t)0x04) /*!< only available for STM32F072 devices */
+#define EXTI_PortSourceGPIOF ((uint8_t)0x05)
+
+#define IS_EXTI_PORT_SOURCE(PORTSOURCE) (((PORTSOURCE) == EXTI_PortSourceGPIOA) || \
+ ((PORTSOURCE) == EXTI_PortSourceGPIOB) || \
+ ((PORTSOURCE) == EXTI_PortSourceGPIOC) || \
+ ((PORTSOURCE) == EXTI_PortSourceGPIOD) || \
+ ((PORTSOURCE) == EXTI_PortSourceGPIOE) || \
+ ((PORTSOURCE) == EXTI_PortSourceGPIOF))
+/**
+ * @}
+ */
+
+/** @defgroup SYSCFG_EXTI_Pin_sources
+ * @{
+ */
+#define EXTI_PinSource0 ((uint8_t)0x00)
+#define EXTI_PinSource1 ((uint8_t)0x01)
+#define EXTI_PinSource2 ((uint8_t)0x02)
+#define EXTI_PinSource3 ((uint8_t)0x03)
+#define EXTI_PinSource4 ((uint8_t)0x04)
+#define EXTI_PinSource5 ((uint8_t)0x05)
+#define EXTI_PinSource6 ((uint8_t)0x06)
+#define EXTI_PinSource7 ((uint8_t)0x07)
+#define EXTI_PinSource8 ((uint8_t)0x08)
+#define EXTI_PinSource9 ((uint8_t)0x09)
+#define EXTI_PinSource10 ((uint8_t)0x0A)
+#define EXTI_PinSource11 ((uint8_t)0x0B)
+#define EXTI_PinSource12 ((uint8_t)0x0C)
+#define EXTI_PinSource13 ((uint8_t)0x0D)
+#define EXTI_PinSource14 ((uint8_t)0x0E)
+#define EXTI_PinSource15 ((uint8_t)0x0F)
+
+#define IS_EXTI_PIN_SOURCE(PINSOURCE) (((PINSOURCE) == EXTI_PinSource0) || \
+ ((PINSOURCE) == EXTI_PinSource1) || \
+ ((PINSOURCE) == EXTI_PinSource2) || \
+ ((PINSOURCE) == EXTI_PinSource3) || \
+ ((PINSOURCE) == EXTI_PinSource4) || \
+ ((PINSOURCE) == EXTI_PinSource5) || \
+ ((PINSOURCE) == EXTI_PinSource6) || \
+ ((PINSOURCE) == EXTI_PinSource7) || \
+ ((PINSOURCE) == EXTI_PinSource8) || \
+ ((PINSOURCE) == EXTI_PinSource9) || \
+ ((PINSOURCE) == EXTI_PinSource10) || \
+ ((PINSOURCE) == EXTI_PinSource11) || \
+ ((PINSOURCE) == EXTI_PinSource12) || \
+ ((PINSOURCE) == EXTI_PinSource13) || \
+ ((PINSOURCE) == EXTI_PinSource14) || \
+ ((PINSOURCE) == EXTI_PinSource15))
+/**
+ * @}
+ */
+
+/** @defgroup SYSCFG_Memory_Remap_Config
+ * @{
+ */
+#define SYSCFG_MemoryRemap_Flash ((uint8_t)0x00)
+#define SYSCFG_MemoryRemap_SystemMemory ((uint8_t)0x01)
+#define SYSCFG_MemoryRemap_SRAM ((uint8_t)0x03)
+
+
+#define IS_SYSCFG_MEMORY_REMAP(REMAP) (((REMAP) == SYSCFG_MemoryRemap_Flash) || \
+ ((REMAP) == SYSCFG_MemoryRemap_SystemMemory) || \
+ ((REMAP) == SYSCFG_MemoryRemap_SRAM))
+
+/**
+ * @}
+ */
+
+/** @defgroup SYSCFG_DMA_Remap_Config
+ * @{
+ */
+#define SYSCFG_DMARemap_TIM3 SYSCFG_CFGR1_TIM3_DMA_RMP /* Remap TIM3 DMA requests from channel4 to channel6,
+ available only for STM32F072 devices */
+#define SYSCFG_DMARemap_TIM2 SYSCFG_CFGR1_TIM2_DMA_RMP /* Remap TIM2 DMA requests from channel3/4 to channel7,
+ available only for STM32F072 devices */
+#define SYSCFG_DMARemap_TIM1 SYSCFG_CFGR1_TIM1_DMA_RMP /* Remap TIM1 DMA requests from channel2/3/4 to channel6,
+ available only for STM32F072 devices */
+#define SYSCFG_DMARemap_I2C1 SYSCFG_CFGR1_I2C1_DMA_RMP /* Remap I2C1 DMA requests from channel3/2 to channel7/6,
+ available only for STM32F072 devices */
+#define SYSCFG_DMARemap_USART3 SYSCFG_CFGR1_USART3_DMA_RMP /* Remap USART3 DMA requests from channel6/7 to channel3/2,
+ available only for STM32F072 devices */
+#define SYSCFG_DMARemap_USART2 SYSCFG_CFGR1_USART2_DMA_RMP /* Remap USART2 DMA requests from channel4/5 to channel6/7,
+ available only for STM32F072 devices */
+#define SYSCFG_DMARemap_SPI2 SYSCFG_CFGR1_SPI2_DMA_RMP /* Remap SPI2 DMA requests from channel4/5 to channel6/7,
+ available only for STM32F072 devices */
+#define SYSCFG_DMARemap_TIM17_2 SYSCFG_CFGR1_TIM17_DMA_RMP2 /* Remap TIM17 DMA requests from channel1/2 to channel7,
+ available only for STM32F072 devices */
+#define SYSCFG_DMARemap_TIM16_2 SYSCFG_CFGR1_TIM16_DMA_RMP2 /* Remap TIM16 DMA requests from channel3/4 to channel6,
+ available only for STM32F072 devices */
+#define SYSCFG_DMARemap_TIM17 SYSCFG_CFGR1_TIM17_DMA_RMP /* Remap TIM17 DMA requests from channel1 to channel2 */
+#define SYSCFG_DMARemap_TIM16 SYSCFG_CFGR1_TIM16_DMA_RMP /* Remap TIM16 DMA requests from channel3 to channel4 */
+#define SYSCFG_DMARemap_USART1Rx SYSCFG_CFGR1_USART1RX_DMA_RMP /* Remap USART1 Rx DMA requests from channel3 to channel5 */
+#define SYSCFG_DMARemap_USART1Tx SYSCFG_CFGR1_USART1TX_DMA_RMP /* Remap USART1 Tx DMA requests from channel2 to channel4 */
+#define SYSCFG_DMARemap_ADC1 SYSCFG_CFGR1_ADC_DMA_RMP /* Remap ADC1 DMA requests from channel1 to channel2 */
+
+#define IS_SYSCFG_DMA_REMAP(REMAP) (((REMAP) == SYSCFG_DMARemap_TIM17) || \
+ ((REMAP) == SYSCFG_DMARemap_TIM16) || \
+ ((REMAP) == SYSCFG_DMARemap_USART1Rx) || \
+ ((REMAP) == SYSCFG_DMARemap_USART1Tx) || \
+ ((REMAP) == SYSCFG_CFGR1_TIM3_DMA_RMP) || \
+ ((REMAP) == SYSCFG_CFGR1_TIM2_DMA_RMP) || \
+ ((REMAP) == SYSCFG_CFGR1_TIM1_DMA_RMP) || \
+ ((REMAP) == SYSCFG_CFGR1_I2C1_DMA_RMP) || \
+ ((REMAP) == SYSCFG_CFGR1_USART3_DMA_RMP) || \
+ ((REMAP) == SYSCFG_CFGR1_USART2_DMA_RMP) || \
+ ((REMAP) == SYSCFG_CFGR1_SPI2_DMA_RMP) || \
+ ((REMAP) == SYSCFG_CFGR1_TIM17_DMA_RMP2) || \
+ ((REMAP) == SYSCFG_CFGR1_TIM16_DMA_RMP2) || \
+ ((REMAP) == SYSCFG_DMARemap_ADC1))
+
+/**
+ * @}
+ */
+
+/** @defgroup SYSCFG_I2C_FastModePlus_Config
+ * @{
+ */
+#define SYSCFG_I2CFastModePlus_PB6 SYSCFG_CFGR1_I2C_FMP_PB6 /* Enable Fast Mode Plus on PB6 */
+#define SYSCFG_I2CFastModePlus_PB7 SYSCFG_CFGR1_I2C_FMP_PB7 /* Enable Fast Mode Plus on PB7 */
+#define SYSCFG_I2CFastModePlus_PB8 SYSCFG_CFGR1_I2C_FMP_PB8 /* Enable Fast Mode Plus on PB8 */
+#define SYSCFG_I2CFastModePlus_PB9 SYSCFG_CFGR1_I2C_FMP_PB9 /* Enable Fast Mode Plus on PB9 */
+#define SYSCFG_I2CFastModePlus_I2C1 SYSCFG_CFGR1_I2C_FMP_I2C1 /* Enable Fast Mode Plus on PB10, PB11, PF6 and PF7(only for STM32F0031 and STM32F030 devices) */
+#define SYSCFG_I2CFastModePlus_I2C2 SYSCFG_CFGR1_I2C_FMP_I2C2 /* Enable Fast Mode Plus on I2C2 pins, available only for STM32F072 devices */
+#define SYSCFG_I2CFastModePlus_PA9 SYSCFG_CFGR1_I2C_FMP_PA9 /* Enable Fast Mode Plus on PA9 (only for STM32F031 and STM32F030 devices) */
+#define SYSCFG_I2CFastModePlus_PA10 SYSCFG_CFGR1_I2C_FMP_PA10/* Enable Fast Mode Plus on PA10(only for STM32F031 and STM32F030 devices) */
+
+#define IS_SYSCFG_I2C_FMP(PIN) (((PIN) == SYSCFG_I2CFastModePlus_PB6) || \
+ ((PIN) == SYSCFG_I2CFastModePlus_PB7) || \
+ ((PIN) == SYSCFG_I2CFastModePlus_PB8) || \
+ ((PIN) == SYSCFG_I2CFastModePlus_PB9) || \
+ ((PIN) == SYSCFG_I2CFastModePlus_I2C1) || \
+ ((PIN) == SYSCFG_I2CFastModePlus_I2C2) || \
+ ((PIN) == SYSCFG_I2CFastModePlus_PA9) || \
+ ((PIN) == SYSCFG_I2CFastModePlus_PA10))
+
+
+/**
+ * @}
+ */
+
+/** @defgroup SYSCFG_Lock_Config
+ * @{
+ */
+#define SYSCFG_Break_PVD SYSCFG_CFGR2_PVD_LOCK /*!< Connects the PVD event to the Break Input of TIM1, not available for STM32F030 devices */
+#define SYSCFG_Break_SRAMParity SYSCFG_CFGR2_SRAM_PARITY_LOCK /*!< Connects the SRAM_PARITY error signal to the Break Input of TIM1 */
+#define SYSCFG_Break_Lockup SYSCFG_CFGR2_LOCKUP_LOCK /*!< Connects Lockup output of CortexM0 to the break input of TIM1 */
+
+#define IS_SYSCFG_LOCK_CONFIG(CONFIG) (((CONFIG) == SYSCFG_Break_PVD) || \
+ ((CONFIG) == SYSCFG_Break_SRAMParity) || \
+ ((CONFIG) == SYSCFG_Break_Lockup))
+
+/**
+ * @}
+ */
+
+/** @defgroup SYSCFG_flags_definition
+ * @{
+ */
+
+#define SYSCFG_FLAG_PE SYSCFG_CFGR2_SRAM_PE
+
+#define IS_SYSCFG_FLAG(FLAG) (((FLAG) == SYSCFG_FLAG_PE))
+
+/**
+ * @}
+ */
+
+/** @defgroup SYSCFG_ISR_WRAPPER
+ * @{
+ */
+#define SYSCFG_ITLINE0 ((uint32_t) 0x00000000)
+#define SYSCFG_ITLINE1 ((uint32_t) 0x00000001)
+#define SYSCFG_ITLINE2 ((uint32_t) 0x00000002)
+#define SYSCFG_ITLINE3 ((uint32_t) 0x00000003)
+#define SYSCFG_ITLINE4 ((uint32_t) 0x00000004)
+#define SYSCFG_ITLINE5 ((uint32_t) 0x00000005)
+#define SYSCFG_ITLINE6 ((uint32_t) 0x00000006)
+#define SYSCFG_ITLINE7 ((uint32_t) 0x00000007)
+#define SYSCFG_ITLINE8 ((uint32_t) 0x00000008)
+#define SYSCFG_ITLINE9 ((uint32_t) 0x00000009)
+#define SYSCFG_ITLINE10 ((uint32_t) 0x0000000A)
+#define SYSCFG_ITLINE11 ((uint32_t) 0x0000000B)
+#define SYSCFG_ITLINE12 ((uint32_t) 0x0000000C)
+#define SYSCFG_ITLINE13 ((uint32_t) 0x0000000D)
+#define SYSCFG_ITLINE14 ((uint32_t) 0x0000000E)
+#define SYSCFG_ITLINE15 ((uint32_t) 0x0000000F)
+#define SYSCFG_ITLINE16 ((uint32_t) 0x00000010)
+#define SYSCFG_ITLINE17 ((uint32_t) 0x00000011)
+#define SYSCFG_ITLINE18 ((uint32_t) 0x00000012)
+#define SYSCFG_ITLINE19 ((uint32_t) 0x00000013)
+#define SYSCFG_ITLINE20 ((uint32_t) 0x00000014)
+#define SYSCFG_ITLINE21 ((uint32_t) 0x00000015)
+#define SYSCFG_ITLINE22 ((uint32_t) 0x00000016)
+#define SYSCFG_ITLINE23 ((uint32_t) 0x00000017)
+#define SYSCFG_ITLINE24 ((uint32_t) 0x00000018)
+#define SYSCFG_ITLINE25 ((uint32_t) 0x00000019)
+#define SYSCFG_ITLINE26 ((uint32_t) 0x0000001A)
+#define SYSCFG_ITLINE27 ((uint32_t) 0x0000001B)
+#define SYSCFG_ITLINE28 ((uint32_t) 0x0000001C)
+#define SYSCFG_ITLINE29 ((uint32_t) 0x0000001D)
+#define SYSCFG_ITLINE30 ((uint32_t) 0x0000001E)
+#define SYSCFG_ITLINE31 ((uint32_t) 0x0000001F)
+
+#define ITLINE_EWDG ((uint32_t) ((SYSCFG_ITLINE0 << 0x18) | SYSCFG_ITLINE0_SR_EWDG)) /* EWDG Interrupt */
+#define ITLINE_PVDOUT ((uint32_t) ((SYSCFG_ITLINE1 << 0x18) | SYSCFG_ITLINE1_SR_PVDOUT)) /* Power voltage detection Interrupt */
+#define ITLINE_VDDIO2 ((uint32_t) ((SYSCFG_ITLINE1 << 0x18) | SYSCFG_ITLINE1_SR_VDDIO2)) /* VDDIO2 Interrupt */
+#define ITLINE_RTC_WAKEUP ((uint32_t) ((SYSCFG_ITLINE2 << 0x18) | SYSCFG_ITLINE2_SR_RTC_WAKEUP)) /* RTC WAKEUP -> exti[20] Interrupt */
+#define ITLINE_RTC_TSTAMP ((uint32_t) ((SYSCFG_ITLINE2 << 0x18) | SYSCFG_ITLINE2_SR_RTC_TSTAMP)) /* RTC Time Stamp -> exti[19] interrupt */
+#define ITLINE_RTC_ALRA ((uint32_t) ((SYSCFG_ITLINE2 << 0x18) | SYSCFG_ITLINE2_SR_RTC_ALRA)) /* RTC Alarm -> exti[17] interrupt */
+#define ITLINE_FLASH_ITF ((uint32_t) ((SYSCFG_ITLINE3 << 0x18) | SYSCFG_ITLINE3_SR_FLASH_ITF)) /* Flash ITF Interrupt */
+#define ITLINE_CRS ((uint32_t) ((SYSCFG_ITLINE4 << 0x18) | SYSCFG_ITLINE4_SR_CRS)) /* CRS Interrupt */
+#define ITLINE_CLK_CTRL ((uint32_t) ((SYSCFG_ITLINE4 << 0x18) | SYSCFG_ITLINE4_SR_CLK_CTRL)) /* CLK Control Interrupt */
+#define ITLINE_EXTI0 ((uint32_t) ((SYSCFG_ITLINE5 << 0x18) | SYSCFG_ITLINE5_SR_EXTI0)) /* External Interrupt 0 */
+#define ITLINE_EXTI1 ((uint32_t) ((SYSCFG_ITLINE5 << 0x18) | SYSCFG_ITLINE5_SR_EXTI1)) /* External Interrupt 1 */
+#define ITLINE_EXTI2 ((uint32_t) ((SYSCFG_ITLINE6 << 0x18) | SYSCFG_ITLINE6_SR_EXTI2)) /* External Interrupt 2 */
+#define ITLINE_EXTI3 ((uint32_t) ((SYSCFG_ITLINE6 << 0x18) | SYSCFG_ITLINE6_SR_EXTI3)) /* External Interrupt 3 */
+#define ITLINE_EXTI4 ((uint32_t) ((SYSCFG_ITLINE7 << 0x18) | SYSCFG_ITLINE7_SR_EXTI4)) /* EXTI4 Interrupt */
+#define ITLINE_EXTI5 ((uint32_t) ((SYSCFG_ITLINE7 << 0x18) | SYSCFG_ITLINE7_SR_EXTI5)) /* EXTI5 Interrupt */
+#define ITLINE_EXTI6 ((uint32_t) ((SYSCFG_ITLINE7 << 0x18) | SYSCFG_ITLINE7_SR_EXTI6)) /* EXTI6 Interrupt */
+#define ITLINE_EXTI7 ((uint32_t) ((SYSCFG_ITLINE7 << 0x18) | SYSCFG_ITLINE7_SR_EXTI7)) /* EXTI7 Interrupt */
+#define ITLINE_EXTI8 ((uint32_t) ((SYSCFG_ITLINE7 << 0x18) | SYSCFG_ITLINE7_SR_EXTI8)) /* EXTI8 Interrupt */
+#define ITLINE_EXTI9 ((uint32_t) ((SYSCFG_ITLINE7 << 0x18) | SYSCFG_ITLINE7_SR_EXTI9)) /* EXTI9 Interrupt */
+#define ITLINE_EXTI10 ((uint32_t) ((SYSCFG_ITLINE7 << 0x18) | SYSCFG_ITLINE7_SR_EXTI10)) /* EXTI10 Interrupt */
+#define ITLINE_EXTI11 ((uint32_t) ((SYSCFG_ITLINE7 << 0x18) | SYSCFG_ITLINE7_SR_EXTI11)) /* EXTI11 Interrupt */
+#define ITLINE_EXTI12 ((uint32_t) ((SYSCFG_ITLINE7 << 0x18) | SYSCFG_ITLINE7_SR_EXTI12)) /* EXTI12 Interrupt */
+#define ITLINE_EXTI13 ((uint32_t) ((SYSCFG_ITLINE7 << 0x18) | SYSCFG_ITLINE7_SR_EXTI13)) /* EXTI13 Interrupt */
+#define ITLINE_EXTI14 ((uint32_t) ((SYSCFG_ITLINE7 << 0x18) | SYSCFG_ITLINE7_SR_EXTI14)) /* EXTI14 Interrupt */
+#define ITLINE_EXTI15 ((uint32_t) ((SYSCFG_ITLINE7 << 0x18) | SYSCFG_ITLINE7_SR_EXTI15)) /* EXTI15 Interrupt */
+#define ITLINE_TSC_EOA ((uint32_t) ((SYSCFG_ITLINE8 << 0x18) | SYSCFG_ITLINE8_SR_TSC_EOA)) /* Touch control EOA Interrupt */
+#define ITLINE_TSC_MCE ((uint32_t) ((SYSCFG_ITLINE8 << 0x18) | SYSCFG_ITLINE8_SR_TSC_MCE)) /* Touch control MCE Interrupt */
+#define ITLINE_DMA1_CH1 ((uint32_t) ((SYSCFG_ITLINE9 << 0x18) | SYSCFG_ITLINE9_SR_DMA1_CH1)) /* DMA1 Channel 1 Interrupt */
+#define ITLINE_DMA1_CH2 ((uint32_t) ((SYSCFG_ITLINE10 << 0x18) | SYSCFG_ITLINE10_SR_DMA1_CH2)) /* DMA1 Channel 2 Interrupt */
+#define ITLINE_DMA1_CH3 ((uint32_t) ((SYSCFG_ITLINE10 << 0x18) | SYSCFG_ITLINE10_SR_DMA1_CH3)) /* DMA1 Channel 3 Interrupt */
+#define ITLINE_DMA2_CH1 ((uint32_t) ((SYSCFG_ITLINE10 << 0x18) | SYSCFG_ITLINE10_SR_DMA2_CH1)) /* DMA2 Channel 1 Interrupt */
+#define ITLINE_DMA2_CH2 ((uint32_t) ((SYSCFG_ITLINE10 << 0x18) | SYSCFG_ITLINE10_SR_DMA2_CH2)) /* DMA2 Channel 2 Interrupt */
+#define ITLINE_DMA1_CH4 ((uint32_t) ((SYSCFG_ITLINE11 << 0x18) | SYSCFG_ITLINE11_SR_DMA1_CH4)) /* DMA1 Channel 4 Interrupt */
+#define ITLINE_DMA1_CH5 ((uint32_t) ((SYSCFG_ITLINE11 << 0x18) | SYSCFG_ITLINE11_SR_DMA1_CH5)) /* DMA1 Channel 5 Interrupt */
+#define ITLINE_DMA1_CH6 ((uint32_t) ((SYSCFG_ITLINE11 << 0x18) | SYSCFG_ITLINE11_SR_DMA1_CH6)) /* DMA1 Channel 6 Interrupt */
+#define ITLINE_DMA1_CH7 ((uint32_t) ((SYSCFG_ITLINE11 << 0x18) | SYSCFG_ITLINE11_SR_DMA1_CH7)) /* DMA1 Channel 7 Interrupt */
+#define ITLINE_DMA2_CH3 ((uint32_t) ((SYSCFG_ITLINE11 << 0x18) | SYSCFG_ITLINE11_SR_DMA2_CH3)) /* DMA2 Channel 3 Interrupt */
+#define ITLINE_DMA2_CH4 ((uint32_t) ((SYSCFG_ITLINE11 << 0x18) | SYSCFG_ITLINE11_SR_DMA2_CH4)) /* DMA2 Channel 4 Interrupt */
+#define ITLINE_DMA2_CH5 ((uint32_t) ((SYSCFG_ITLINE11 << 0x18) | SYSCFG_ITLINE11_SR_DMA2_CH5)) /* DMA2 Channel 5 Interrupt */
+#define ITLINE_ADC ((uint32_t) ((SYSCFG_ITLINE12 << 0x18) | SYSCFG_ITLINE12_SR_ADC)) /* ADC Interrupt */
+#define ITLINE_COMP1 ((uint32_t) ((SYSCFG_ITLINE12 << 0x18) | SYSCFG_ITLINE12_SR_COMP1)) /* COMP1 Interrupt -> exti[21] */
+#define ITLINE_COMP2 ((uint32_t) ((SYSCFG_ITLINE12 << 0x18) | SYSCFG_ITLINE12_SR_COMP2)) /* COMP2 Interrupt -> exti[21] */
+#define ITLINE_TIM1_BRK ((uint32_t) ((SYSCFG_ITLINE13 << 0x18) | SYSCFG_ITLINE13_SR_TIM1_BRK)) /* TIM1 BRK Interrupt */
+#define ITLINE_TIM1_UPD ((uint32_t) ((SYSCFG_ITLINE13 << 0x18) | SYSCFG_ITLINE13_SR_TIM1_UPD)) /* TIM1 UPD Interrupt */
+#define ITLINE_TIM1_TRG ((uint32_t) ((SYSCFG_ITLINE13 << 0x18) | SYSCFG_ITLINE13_SR_TIM1_TRG)) /* TIM1 TRG Interrupt */
+#define ITLINE_TIM1_CCU ((uint32_t) ((SYSCFG_ITLINE13 << 0x18) | SYSCFG_ITLINE13_SR_TIM1_CCU)) /* TIM1 CCU Interrupt */
+#define ITLINE_TIM1_CC ((uint32_t) ((SYSCFG_ITLINE14 << 0x18) | SYSCFG_ITLINE14_SR_TIM1_CC)) /* TIM1 CC Interrupt */
+#define ITLINE_TIM2 ((uint32_t) ((SYSCFG_ITLINE15 << 0x18) | SYSCFG_ITLINE15_SR_TIM2_GLB)) /* TIM2 Interrupt */
+#define ITLINE_TIM3 ((uint32_t) ((SYSCFG_ITLINE16 << 0x18) | SYSCFG_ITLINE16_SR_TIM3_GLB)) /* TIM3 Interrupt */
+#define ITLINE_DAC ((uint32_t) ((SYSCFG_ITLINE17 << 0x18) | SYSCFG_ITLINE17_SR_DAC)) /* DAC Interrupt */
+#define ITLINE_TIM6 ((uint32_t) ((SYSCFG_ITLINE17 << 0x18) | SYSCFG_ITLINE17_SR_TIM6_GLB)) /* TIM6 Interrupt */
+#define ITLINE_TIM7 ((uint32_t) ((SYSCFG_ITLINE18 << 0x18) | SYSCFG_ITLINE18_SR_TIM7_GLB)) /* TIM7 Interrupt */
+#define ITLINE_TIM14 ((uint32_t) ((SYSCFG_ITLINE19 << 0x18) | SYSCFG_ITLINE19_SR_TIM14_GLB)) /* TIM14 Interrupt */
+#define ITLINE_TIM15 ((uint32_t) ((SYSCFG_ITLINE20 << 0x18) | SYSCFG_ITLINE20_SR_TIM15_GLB)) /* TIM15 Interrupt */
+#define ITLINE_TIM16 ((uint32_t) ((SYSCFG_ITLINE21 << 0x18) | SYSCFG_ITLINE21_SR_TIM16_GLB)) /* TIM16 Interrupt */
+#define ITLINE_TIM17 ((uint32_t) ((SYSCFG_ITLINE22 << 0x18) | SYSCFG_ITLINE22_SR_TIM17_GLB)) /* TIM17 Interrupt */
+#define ITLINE_I2C1 ((uint32_t) ((SYSCFG_ITLINE23 << 0x18) | SYSCFG_ITLINE23_SR_I2C1_GLB)) /* I2C1 Interrupt -> exti[23] */
+#define ITLINE_I2C2 ((uint32_t) ((SYSCFG_ITLINE24 << 0x18) | SYSCFG_ITLINE24_SR_I2C2_GLB)) /* I2C2 Interrupt */
+#define ITLINE_SPI1 ((uint32_t) ((SYSCFG_ITLINE25 << 0x18) | SYSCFG_ITLINE25_SR_SPI1)) /* I2C1 Interrupt -> exti[23] */
+#define ITLINE_SPI2 ((uint32_t) ((SYSCFG_ITLINE26 << 0x18) | SYSCFG_ITLINE26_SR_SPI2)) /* SPI1 Interrupt */
+#define ITLINE_USART1 ((uint32_t) ((SYSCFG_ITLINE27 << 0x18) | SYSCFG_ITLINE27_SR_USART1_GLB)) /*!< USART1 GLB Interrupt -> exti[25] */
+#define ITLINE_USART2 ((uint32_t) ((SYSCFG_ITLINE28 << 0x18) | SYSCFG_ITLINE28_SR_USART2_GLB)) /*!< USART2 GLB Interrupt -> exti[26] */
+#define ITLINE_USART3 ((uint32_t) ((SYSCFG_ITLINE29 << 0x18) | SYSCFG_ITLINE29_SR_USART3_GLB)) /* USART3 Interrupt */
+#define ITLINE_USART4 ((uint32_t) ((SYSCFG_ITLINE29 << 0x18) | SYSCFG_ITLINE29_SR_USART4_GLB)) /* USART4 Interrupt */
+#define ITLINE_USART5 ((uint32_t) ((SYSCFG_ITLINE29 << 0x18) | SYSCFG_ITLINE29_SR_USART5_GLB)) /* USART5 Interrupt */
+#define ITLINE_USART6 ((uint32_t) ((SYSCFG_ITLINE29 << 0x18) | SYSCFG_ITLINE29_SR_USART6_GLB)) /* USART6 Interrupt */
+#define ITLINE_USART7 ((uint32_t) ((SYSCFG_ITLINE29 << 0x18) | SYSCFG_ITLINE29_SR_USART7_GLB)) /* USART7 Interrupt */
+#define ITLINE_USART8 ((uint32_t) ((SYSCFG_ITLINE29 << 0x18) | SYSCFG_ITLINE29_SR_USART8_GLB)) /* USART8 Interrupt */
+#define ITLINE_CAN ((uint32_t) ((SYSCFG_ITLINE30 << 0x18) | SYSCFG_ITLINE30_SR_CAN)) /* CAN Interrupt */
+#define ITLINE_CEC ((uint32_t) ((SYSCFG_ITLINE30 << 0x18) | SYSCFG_ITLINE30_SR_CEC)) /* CEC Interrupt -> exti[27] */
+
+#define IS_SYSCFG_ITLINE(LINE) (((LINE) == ITLINE_EWDG) || \
+ ((LINE) == ITLINE_PVDOUT) || \
+ ((LINE) == ITLINE_VDDIO2) || \
+ ((LINE) == ITLINE_RTC_WAKEUP) || \
+ ((LINE) == ITLINE_RTC_TSTAMP) || \
+ ((LINE) == ITLINE_RTC_ALRA) || \
+ ((LINE) == ITLINE_FLASH_ITF) || \
+ ((LINE) == ITLINE_CRS) || \
+ ((LINE) == ITLINE_CLK_CTRL) || \
+ ((LINE) == ITLINE_EXTI0) || \
+ ((LINE) == ITLINE_EXTI1) || \
+ ((LINE) == ITLINE_EXTI2) || \
+ ((LINE) == ITLINE_EXTI3) || \
+ ((LINE) == ITLINE_EXTI4) || \
+ ((LINE) == ITLINE_EXTI5) || \
+ ((LINE) == ITLINE_EXTI6) || \
+ ((LINE) == ITLINE_EXTI7) || \
+ ((LINE) == ITLINE_EXTI8) || \
+ ((LINE) == ITLINE_EXTI9) || \
+ ((LINE) == ITLINE_EXTI10) || \
+ ((LINE) == ITLINE_EXTI11) || \
+ ((LINE) == ITLINE_EXTI12) || \
+ ((LINE) == ITLINE_EXTI13) || \
+ ((LINE) == ITLINE_EXTI14) || \
+ ((LINE) == ITLINE_EXTI15) || \
+ ((LINE) == ITLINE_TSC_EOA) || \
+ ((LINE) == ITLINE_TSC_MCE) || \
+ ((LINE) == ITLINE_DMA1_CH1) || \
+ ((LINE) == ITLINE_DMA1_CH2) || \
+ ((LINE) == ITLINE_DMA1_CH3) || \
+ ((LINE) == ITLINE_DMA1_CH4) || \
+ ((LINE) == ITLINE_DMA1_CH5) || \
+ ((LINE) == ITLINE_DMA1_CH6) || \
+ ((LINE) == ITLINE_DMA1_CH7) || \
+ ((LINE) == ITLINE_DMA2_CH1) || \
+ ((LINE) == ITLINE_DMA2_CH2) || \
+ ((LINE) == ITLINE_DMA2_CH3) || \
+ ((LINE) == ITLINE_DMA2_CH4) || \
+ ((LINE) == ITLINE_DMA2_CH5) || \
+ ((LINE) == ITLINE_ADC) || \
+ ((LINE) == ITLINE_COMP1) || \
+ ((LINE) == ITLINE_COMP2) || \
+ ((LINE) == ITLINE_TIM1_BRK) || \
+ ((LINE) == ITLINE_TIM1_UPD) || \
+ ((LINE) == ITLINE_TIM1_TRG) || \
+ ((LINE) == ITLINE_TIM1_CCU) || \
+ ((LINE) == ITLINE_TIM1_CC) || \
+ ((LINE) == ITLINE_TIM2) || \
+ ((LINE) == ITLINE_TIM3) || \
+ ((LINE) == ITLINE_DAC) || \
+ ((LINE) == ITLINE_TIM6) || \
+ ((LINE) == ITLINE_TIM7) || \
+ ((LINE) == ITLINE_TIM14) || \
+ ((LINE) == ITLINE_TIM15) || \
+ ((LINE) == ITLINE_TIM16) || \
+ ((LINE) == ITLINE_TIM17) || \
+ ((LINE) == ITLINE_I2C1) || \
+ ((LINE) == ITLINE_I2C2) || \
+ ((LINE) == ITLINE_SPI1) || \
+ ((LINE) == ITLINE_SPI2) || \
+ ((LINE) == ITLINE_USART1) || \
+ ((LINE) == ITLINE_USART2) || \
+ ((LINE) == ITLINE_USART3) || \
+ ((LINE) == ITLINE_USART4) || \
+ ((LINE) == ITLINE_USART5) || \
+ ((LINE) == ITLINE_USART6) || \
+ ((LINE) == ITLINE_USART7) || \
+ ((LINE) == ITLINE_USART8) || \
+ ((LINE) == ITLINE_CAN) || \
+ ((LINE) == ITLINE_CEC))
+
+/**
+ * @}
+ */
+/** @defgroup IRDA_ENV_SEL
+ * @{
+ */
+#define SYSCFG_IRDA_ENV_SEL_TIM16 (SYSCFG_CFGR1_IRDA_ENV_SEL_0&SYSCFG_CFGR1_IRDA_ENV_SEL_1) /* Timer16 is selected as IRDA Modulation envelope source */
+#define SYSCFG_IRDA_ENV_SEL_USART1 (SYSCFG_CFGR1_IRDA_ENV_SEL_0) /* USART1 is selected as IRDA Modulation envelope source.*/
+#define SYSCFG_IRDA_ENV_SEL_USART4 (SYSCFG_CFGR1_IRDA_ENV_SEL_1) /* USART4 is selected as IRDA Modulation envelope source.*/
+
+#define IS_SYSCFG_IRDA_ENV(ENV) (((ENV) == SYSCFG_IRDA_ENV_SEL_TIM16) || \
+ ((ENV) == SYSCFG_IRDA_ENV_SEL_USART1) || \
+ ((ENV) == SYSCFG_IRDA_ENV_SEL_USART4))
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+
+/* Function used to set the SYSCFG configuration to the default reset state **/
+void SYSCFG_DeInit(void);
+
+/* SYSCFG configuration functions *********************************************/
+void SYSCFG_MemoryRemapConfig(uint32_t SYSCFG_MemoryRemap);
+void SYSCFG_DMAChannelRemapConfig(uint32_t SYSCFG_DMARemap, FunctionalState NewState);
+void SYSCFG_I2CFastModePlusConfig(uint32_t SYSCFG_I2CFastModePlus, FunctionalState NewState);
+void SYSCFG_IRDAEnvSelection(uint32_t SYSCFG_IRDAEnv);
+void SYSCFG_EXTILineConfig(uint8_t EXTI_PortSourceGPIOx, uint8_t EXTI_PinSourcex);
+uint32_t SYSCFG_GetPendingIT(uint32_t ITSourceLine);
+void SYSCFG_BreakConfig(uint32_t SYSCFG_Break);
+FlagStatus SYSCFG_GetFlagStatus(uint32_t SYSCFG_Flag);
+void SYSCFG_ClearFlag(uint32_t SYSCFG_Flag);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*__STM32F0XX_SYSCFG_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_tim.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_tim.h
new file mode 100644
index 00000000..7a4c8b99
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_tim.h
@@ -0,0 +1,1186 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_tim.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the TIM
+ * firmware library.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_TIM_H
+#define __STM32F0XX_TIM_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup TIM
+ * @{
+ */
+
+/* Exported types ------------------------------------------------------------*/
+
+/**
+ * @brief TIM Time Base Init structure definition
+ * @note This sturcture is used with all TIMx.
+ */
+
+typedef struct
+{
+ uint16_t TIM_Prescaler; /*!< Specifies the prescaler value used to divide the TIM clock.
+ This parameter can be a number between 0x0000 and 0xFFFF */
+
+ uint16_t TIM_CounterMode; /*!< Specifies the counter mode.
+ This parameter can be a value of @ref TIM_Counter_Mode */
+
+ uint32_t TIM_Period; /*!< Specifies the period value to be loaded into the active
+ Auto-Reload Register at the next update event.
+ This parameter must be a number between 0x0000 and 0xFFFF. */
+
+ uint16_t TIM_ClockDivision; /*!< Specifies the clock division.
+ This parameter can be a value of @ref TIM_Clock_Division_CKD */
+
+ uint8_t TIM_RepetitionCounter; /*!< Specifies the repetition counter value. Each time the RCR downcounter
+ reaches zero, an update event is generated and counting restarts
+ from the RCR value (N).
+ This means in PWM mode that (N+1) corresponds to:
+ - the number of PWM periods in edge-aligned mode
+ - the number of half PWM period in center-aligned mode
+ This parameter must be a number between 0x00 and 0xFF.
+ @note This parameter is valid only for TIM1. */
+} TIM_TimeBaseInitTypeDef;
+
+/**
+ * @brief TIM Output Compare Init structure definition
+ */
+
+typedef struct
+{
+ uint16_t TIM_OCMode; /*!< Specifies the TIM mode.
+ This parameter can be a value of @ref TIM_Output_Compare_and_PWM_modes */
+
+ uint16_t TIM_OutputState; /*!< Specifies the TIM Output Compare state.
+ This parameter can be a value of @ref TIM_Output_Compare_state */
+
+ uint16_t TIM_OutputNState; /*!< Specifies the TIM complementary Output Compare state.
+ This parameter can be a value of @ref TIM_Output_Compare_N_state
+ @note This parameter is valid only for TIM1. */
+
+ uint32_t TIM_Pulse; /*!< Specifies the pulse value to be loaded into the Capture Compare Register.
+ This parameter can be a number between 0x0000 and 0xFFFF ( or 0xFFFFFFFF
+ for TIM2) */
+
+ uint16_t TIM_OCPolarity; /*!< Specifies the output polarity.
+ This parameter can be a value of @ref TIM_Output_Compare_Polarity */
+
+ uint16_t TIM_OCNPolarity; /*!< Specifies the complementary output polarity.
+ This parameter can be a value of @ref TIM_Output_Compare_N_Polarity
+ @note This parameter is valid only for TIM1. */
+
+ uint16_t TIM_OCIdleState; /*!< Specifies the TIM Output Compare pin state during Idle state.
+ This parameter can be a value of @ref TIM_Output_Compare_Idle_State
+ @note This parameter is valid only for TIM1. */
+
+ uint16_t TIM_OCNIdleState; /*!< Specifies the TIM Output Compare pin state during Idle state.
+ This parameter can be a value of @ref TIM_Output_Compare_N_Idle_State
+ @note This parameter is valid only for TIM1. */
+} TIM_OCInitTypeDef;
+
+/**
+ * @brief TIM Input Capture Init structure definition
+ */
+
+typedef struct
+{
+
+ uint16_t TIM_Channel; /*!< Specifies the TIM channel.
+ This parameter can be a value of @ref TIM_Channel */
+
+ uint16_t TIM_ICPolarity; /*!< Specifies the active edge of the input signal.
+ This parameter can be a value of @ref TIM_Input_Capture_Polarity */
+
+ uint16_t TIM_ICSelection; /*!< Specifies the input.
+ This parameter can be a value of @ref TIM_Input_Capture_Selection */
+
+ uint16_t TIM_ICPrescaler; /*!< Specifies the Input Capture Prescaler.
+ This parameter can be a value of @ref TIM_Input_Capture_Prescaler */
+
+ uint16_t TIM_ICFilter; /*!< Specifies the input capture filter.
+ This parameter can be a number between 0x0 and 0xF */
+} TIM_ICInitTypeDef;
+
+/**
+ * @brief TIM_BDTR structure definition
+ * @note This sturcture is used only with TIM1.
+ */
+
+typedef struct
+{
+
+ uint16_t TIM_OSSRState; /*!< Specifies the Off-State selection used in Run mode.
+ This parameter can be a value of @ref TIM_OSSR_Off_State_Selection_for_Run_mode_state */
+
+ uint16_t TIM_OSSIState; /*!< Specifies the Off-State used in Idle state.
+ This parameter can be a value of @ref TIM_OSSI_Off_State_Selection_for_Idle_mode_state */
+
+ uint16_t TIM_LOCKLevel; /*!< Specifies the LOCK level parameters.
+ This parameter can be a value of @ref TIM_Lock_level */
+
+ uint16_t TIM_DeadTime; /*!< Specifies the delay time between the switching-off and the
+ switching-on of the outputs.
+ This parameter can be a number between 0x00 and 0xFF */
+
+ uint16_t TIM_Break; /*!< Specifies whether the TIM Break input is enabled or not.
+ This parameter can be a value of @ref TIM_Break_Input_enable_disable */
+
+ uint16_t TIM_BreakPolarity; /*!< Specifies the TIM Break Input pin polarity.
+ This parameter can be a value of @ref TIM_Break_Polarity */
+
+ uint16_t TIM_AutomaticOutput; /*!< Specifies whether the TIM Automatic Output feature is enabled or not.
+ This parameter can be a value of @ref TIM_AOE_Bit_Set_Reset */
+} TIM_BDTRInitTypeDef;
+
+/**
+ * @brief TIM Input Capture Init structure definition
+ */
+
+/* Exported constants --------------------------------------------------------*/
+
+
+/** @defgroup TIM_Exported_constants
+ * @{
+ */
+
+#define IS_TIM_ALL_PERIPH(PERIPH) (((PERIPH) == TIM1) || \
+ ((PERIPH) == TIM2) || \
+ ((PERIPH) == TIM3) || \
+ ((PERIPH) == TIM6) || \
+ ((PERIPH) == TIM7) || \
+ ((PERIPH) == TIM14)|| \
+ ((PERIPH) == TIM15)|| \
+ ((PERIPH) == TIM16)|| \
+ ((PERIPH) == TIM17))
+
+/* LIST1: TIM 1 */
+#define IS_TIM_LIST1_PERIPH(PERIPH) ((PERIPH) == TIM1)
+
+/* LIST2: TIM 1, 15, 16 and 17 */
+#define IS_TIM_LIST2_PERIPH(PERIPH) (((PERIPH) == TIM1) || \
+ ((PERIPH) == TIM15)|| \
+ ((PERIPH) == TIM16)|| \
+ ((PERIPH) == TIM17))
+
+/* LIST3: TIM 1, 2 and 3 */
+#define IS_TIM_LIST3_PERIPH(PERIPH) (((PERIPH) == TIM1) || \
+ ((PERIPH) == TIM2) || \
+ ((PERIPH) == TIM3))
+
+/* LIST4: TIM 1, 2, 3, 14, 15, 16 and 17 */
+#define IS_TIM_LIST4_PERIPH(PERIPH) (((PERIPH) == TIM1) || \
+ ((PERIPH) == TIM2) || \
+ ((PERIPH) == TIM3) || \
+ ((PERIPH) == TIM14) || \
+ ((PERIPH) == TIM15)|| \
+ ((PERIPH) == TIM16)|| \
+ ((PERIPH) == TIM17))
+
+/* LIST5: TIM 1, 2, 3, 15, 16 and 17 */
+#define IS_TIM_LIST5_PERIPH(PERIPH) (((PERIPH) == TIM1) || \
+ ((PERIPH) == TIM2) || \
+ ((PERIPH) == TIM3) || \
+ ((PERIPH) == TIM15)|| \
+ ((PERIPH) == TIM16)|| \
+ ((PERIPH) == TIM17))
+
+/* LIST6: TIM 1, 2, 3 and 15 */
+#define IS_TIM_LIST6_PERIPH(PERIPH) (((PERIPH) == TIM1) || \
+ ((PERIPH) == TIM2) || \
+ ((PERIPH) == TIM3) || \
+ ((PERIPH) == TIM15))
+
+/* LIST7: TIM 1, 2, 3, 6, 7 and 14 */
+#define IS_TIM_LIST7_PERIPH(PERIPH) (((PERIPH) == TIM1) || \
+ ((PERIPH) == TIM2) || \
+ ((PERIPH) == TIM3) || \
+ ((PERIPH) == TIM6) || \
+ ((PERIPH) == TIM7) || \
+ ((PERIPH) == TIM14))
+
+/* LIST8: TIM 1, 2, 3 and 14 */
+#define IS_TIM_LIST8_PERIPH(PERIPH) (((PERIPH) == TIM1) || \
+ ((PERIPH) == TIM2) || \
+ ((PERIPH) == TIM3) || \
+ ((PERIPH) == TIM14))
+
+/* LIST9: TIM 1, 2, 3, 6, 7 and 15 */
+#define IS_TIM_LIST9_PERIPH(PERIPH) (((PERIPH) == TIM1) || \
+ ((PERIPH) == TIM2) || \
+ ((PERIPH) == TIM3) || \
+ ((PERIPH) == TIM6) || \
+ ((PERIPH) == TIM7) || \
+ ((PERIPH) == TIM15))
+
+/* LIST10: TIM 1, 2, 3, 6, 7, 15, 16 and 17 */
+#define IS_TIM_LIST10_PERIPH(PERIPH) (((PERIPH) == TIM1) || \
+ ((PERIPH) == TIM2) || \
+ ((PERIPH) == TIM3) || \
+ ((PERIPH) == TIM6) || \
+ ((PERIPH) == TIM7) || \
+ ((PERIPH) == TIM15)|| \
+ ((PERIPH) == TIM16)|| \
+ ((PERIPH) == TIM17))
+
+/* LIST1: TIM 11 */
+#define IS_TIM_LIST11_PERIPH(PERIPH) ((PERIPH) == TIM14)
+
+
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Output_Compare_and_PWM_modes
+ * @{
+ */
+
+#define TIM_OCMode_Timing ((uint16_t)0x0000)
+#define TIM_OCMode_Active ((uint16_t)0x0010)
+#define TIM_OCMode_Inactive ((uint16_t)0x0020)
+#define TIM_OCMode_Toggle ((uint16_t)0x0030)
+#define TIM_OCMode_PWM1 ((uint16_t)0x0060)
+#define TIM_OCMode_PWM2 ((uint16_t)0x0070)
+#define IS_TIM_OC_MODE(MODE) (((MODE) == TIM_OCMode_Timing) || \
+ ((MODE) == TIM_OCMode_Active) || \
+ ((MODE) == TIM_OCMode_Inactive) || \
+ ((MODE) == TIM_OCMode_Toggle)|| \
+ ((MODE) == TIM_OCMode_PWM1) || \
+ ((MODE) == TIM_OCMode_PWM2))
+#define IS_TIM_OCM(MODE) (((MODE) == TIM_OCMode_Timing) || \
+ ((MODE) == TIM_OCMode_Active) || \
+ ((MODE) == TIM_OCMode_Inactive) || \
+ ((MODE) == TIM_OCMode_Toggle)|| \
+ ((MODE) == TIM_OCMode_PWM1) || \
+ ((MODE) == TIM_OCMode_PWM2) || \
+ ((MODE) == TIM_ForcedAction_Active) || \
+ ((MODE) == TIM_ForcedAction_InActive))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_One_Pulse_Mode
+ * @{
+ */
+
+#define TIM_OPMode_Single ((uint16_t)0x0008)
+#define TIM_OPMode_Repetitive ((uint16_t)0x0000)
+#define IS_TIM_OPM_MODE(MODE) (((MODE) == TIM_OPMode_Single) || \
+ ((MODE) == TIM_OPMode_Repetitive))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Channel
+ * @{
+ */
+
+#define TIM_Channel_1 ((uint16_t)0x0000)
+#define TIM_Channel_2 ((uint16_t)0x0004)
+#define TIM_Channel_3 ((uint16_t)0x0008)
+#define TIM_Channel_4 ((uint16_t)0x000C)
+
+#define IS_TIM_CHANNEL(CHANNEL) (((CHANNEL) == TIM_Channel_1) || \
+ ((CHANNEL) == TIM_Channel_2) || \
+ ((CHANNEL) == TIM_Channel_3) || \
+ ((CHANNEL) == TIM_Channel_4))
+#define IS_TIM_COMPLEMENTARY_CHANNEL(CHANNEL) (((CHANNEL) == TIM_Channel_1) || \
+ ((CHANNEL) == TIM_Channel_2) || \
+ ((CHANNEL) == TIM_Channel_3))
+#define IS_TIM_PWMI_CHANNEL(CHANNEL) (((CHANNEL) == TIM_Channel_1) || \
+ ((CHANNEL) == TIM_Channel_2))
+
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Clock_Division_CKD
+ * @{
+ */
+
+#define TIM_CKD_DIV1 ((uint16_t)0x0000)
+#define TIM_CKD_DIV2 ((uint16_t)0x0100)
+#define TIM_CKD_DIV4 ((uint16_t)0x0200)
+#define IS_TIM_CKD_DIV(DIV) (((DIV) == TIM_CKD_DIV1) || \
+ ((DIV) == TIM_CKD_DIV2) || \
+ ((DIV) == TIM_CKD_DIV4))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Counter_Mode
+ * @{
+ */
+
+#define TIM_CounterMode_Up ((uint16_t)0x0000)
+#define TIM_CounterMode_Down ((uint16_t)0x0010)
+#define TIM_CounterMode_CenterAligned1 ((uint16_t)0x0020)
+#define TIM_CounterMode_CenterAligned2 ((uint16_t)0x0040)
+#define TIM_CounterMode_CenterAligned3 ((uint16_t)0x0060)
+#define IS_TIM_COUNTER_MODE(MODE) (((MODE) == TIM_CounterMode_Up) || \
+ ((MODE) == TIM_CounterMode_Down) || \
+ ((MODE) == TIM_CounterMode_CenterAligned1) || \
+ ((MODE) == TIM_CounterMode_CenterAligned2) || \
+ ((MODE) == TIM_CounterMode_CenterAligned3))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Output_Compare_Polarity
+ * @{
+ */
+
+#define TIM_OCPolarity_High ((uint16_t)0x0000)
+#define TIM_OCPolarity_Low ((uint16_t)0x0002)
+#define IS_TIM_OC_POLARITY(POLARITY) (((POLARITY) == TIM_OCPolarity_High) || \
+ ((POLARITY) == TIM_OCPolarity_Low))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Output_Compare_N_Polarity
+ * @{
+ */
+
+#define TIM_OCNPolarity_High ((uint16_t)0x0000)
+#define TIM_OCNPolarity_Low ((uint16_t)0x0008)
+#define IS_TIM_OCN_POLARITY(POLARITY) (((POLARITY) == TIM_OCNPolarity_High) || \
+ ((POLARITY) == TIM_OCNPolarity_Low))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Output_Compare_state
+ * @{
+ */
+
+#define TIM_OutputState_Disable ((uint16_t)0x0000)
+#define TIM_OutputState_Enable ((uint16_t)0x0001)
+#define IS_TIM_OUTPUT_STATE(STATE) (((STATE) == TIM_OutputState_Disable) || \
+ ((STATE) == TIM_OutputState_Enable))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Output_Compare_N_state
+ * @{
+ */
+
+#define TIM_OutputNState_Disable ((uint16_t)0x0000)
+#define TIM_OutputNState_Enable ((uint16_t)0x0004)
+#define IS_TIM_OUTPUTN_STATE(STATE) (((STATE) == TIM_OutputNState_Disable) || \
+ ((STATE) == TIM_OutputNState_Enable))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Capture_Compare_state
+ * @{
+ */
+
+#define TIM_CCx_Enable ((uint16_t)0x0001)
+#define TIM_CCx_Disable ((uint16_t)0x0000)
+#define IS_TIM_CCX(CCX) (((CCX) == TIM_CCx_Enable) || \
+ ((CCX) == TIM_CCx_Disable))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Capture_Compare_N_state
+ * @{
+ */
+
+#define TIM_CCxN_Enable ((uint16_t)0x0004)
+#define TIM_CCxN_Disable ((uint16_t)0x0000)
+#define IS_TIM_CCXN(CCXN) (((CCXN) == TIM_CCxN_Enable) || \
+ ((CCXN) == TIM_CCxN_Disable))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Break_Input_enable_disable
+ * @{
+ */
+
+#define TIM_Break_Enable ((uint16_t)0x1000)
+#define TIM_Break_Disable ((uint16_t)0x0000)
+#define IS_TIM_BREAK_STATE(STATE) (((STATE) == TIM_Break_Enable) || \
+ ((STATE) == TIM_Break_Disable))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Break_Polarity
+ * @{
+ */
+
+#define TIM_BreakPolarity_Low ((uint16_t)0x0000)
+#define TIM_BreakPolarity_High ((uint16_t)0x2000)
+#define IS_TIM_BREAK_POLARITY(POLARITY) (((POLARITY) == TIM_BreakPolarity_Low) || \
+ ((POLARITY) == TIM_BreakPolarity_High))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_AOE_Bit_Set_Reset
+ * @{
+ */
+
+#define TIM_AutomaticOutput_Enable ((uint16_t)0x4000)
+#define TIM_AutomaticOutput_Disable ((uint16_t)0x0000)
+#define IS_TIM_AUTOMATIC_OUTPUT_STATE(STATE) (((STATE) == TIM_AutomaticOutput_Enable) || \
+ ((STATE) == TIM_AutomaticOutput_Disable))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Lock_level
+ * @{
+ */
+
+#define TIM_LOCKLevel_OFF ((uint16_t)0x0000)
+#define TIM_LOCKLevel_1 ((uint16_t)0x0100)
+#define TIM_LOCKLevel_2 ((uint16_t)0x0200)
+#define TIM_LOCKLevel_3 ((uint16_t)0x0300)
+#define IS_TIM_LOCK_LEVEL(LEVEL) (((LEVEL) == TIM_LOCKLevel_OFF) || \
+ ((LEVEL) == TIM_LOCKLevel_1) || \
+ ((LEVEL) == TIM_LOCKLevel_2) || \
+ ((LEVEL) == TIM_LOCKLevel_3))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_OSSI_Off_State_Selection_for_Idle_mode_state
+ * @{
+ */
+
+#define TIM_OSSIState_Enable ((uint16_t)0x0400)
+#define TIM_OSSIState_Disable ((uint16_t)0x0000)
+#define IS_TIM_OSSI_STATE(STATE) (((STATE) == TIM_OSSIState_Enable) || \
+ ((STATE) == TIM_OSSIState_Disable))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_OSSR_Off_State_Selection_for_Run_mode_state
+ * @{
+ */
+
+#define TIM_OSSRState_Enable ((uint16_t)0x0800)
+#define TIM_OSSRState_Disable ((uint16_t)0x0000)
+#define IS_TIM_OSSR_STATE(STATE) (((STATE) == TIM_OSSRState_Enable) || \
+ ((STATE) == TIM_OSSRState_Disable))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Output_Compare_Idle_State
+ * @{
+ */
+
+#define TIM_OCIdleState_Set ((uint16_t)0x0100)
+#define TIM_OCIdleState_Reset ((uint16_t)0x0000)
+#define IS_TIM_OCIDLE_STATE(STATE) (((STATE) == TIM_OCIdleState_Set) || \
+ ((STATE) == TIM_OCIdleState_Reset))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Output_Compare_N_Idle_State
+ * @{
+ */
+
+#define TIM_OCNIdleState_Set ((uint16_t)0x0200)
+#define TIM_OCNIdleState_Reset ((uint16_t)0x0000)
+#define IS_TIM_OCNIDLE_STATE(STATE) (((STATE) == TIM_OCNIdleState_Set) || \
+ ((STATE) == TIM_OCNIdleState_Reset))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Input_Capture_Polarity
+ * @{
+ */
+
+#define TIM_ICPolarity_Rising ((uint16_t)0x0000)
+#define TIM_ICPolarity_Falling ((uint16_t)0x0002)
+#define TIM_ICPolarity_BothEdge ((uint16_t)0x000A)
+#define IS_TIM_IC_POLARITY(POLARITY) (((POLARITY) == TIM_ICPolarity_Rising) || \
+ ((POLARITY) == TIM_ICPolarity_Falling)|| \
+ ((POLARITY) == TIM_ICPolarity_BothEdge))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Input_Capture_Selection
+ * @{
+ */
+
+#define TIM_ICSelection_DirectTI ((uint16_t)0x0001) /*!< TIM Input 1, 2, 3 or 4 is selected to be
+ connected to IC1, IC2, IC3 or IC4, respectively */
+#define TIM_ICSelection_IndirectTI ((uint16_t)0x0002) /*!< TIM Input 1, 2, 3 or 4 is selected to be
+ connected to IC2, IC1, IC4 or IC3, respectively. */
+#define TIM_ICSelection_TRC ((uint16_t)0x0003) /*!< TIM Input 1, 2, 3 or 4 is selected to be connected to TRC. */
+#define IS_TIM_IC_SELECTION(SELECTION) (((SELECTION) == TIM_ICSelection_DirectTI) || \
+ ((SELECTION) == TIM_ICSelection_IndirectTI) || \
+ ((SELECTION) == TIM_ICSelection_TRC))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Input_Capture_Prescaler
+ * @{
+ */
+
+#define TIM_ICPSC_DIV1 ((uint16_t)0x0000) /*!< Capture performed each time an edge is detected on the capture input. */
+#define TIM_ICPSC_DIV2 ((uint16_t)0x0004) /*!< Capture performed once every 2 events. */
+#define TIM_ICPSC_DIV4 ((uint16_t)0x0008) /*!< Capture performed once every 4 events. */
+#define TIM_ICPSC_DIV8 ((uint16_t)0x000C) /*!< Capture performed once every 8 events. */
+#define IS_TIM_IC_PRESCALER(PRESCALER) (((PRESCALER) == TIM_ICPSC_DIV1) || \
+ ((PRESCALER) == TIM_ICPSC_DIV2) || \
+ ((PRESCALER) == TIM_ICPSC_DIV4) || \
+ ((PRESCALER) == TIM_ICPSC_DIV8))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_interrupt_sources
+ * @{
+ */
+
+#define TIM_IT_Update ((uint16_t)0x0001)
+#define TIM_IT_CC1 ((uint16_t)0x0002)
+#define TIM_IT_CC2 ((uint16_t)0x0004)
+#define TIM_IT_CC3 ((uint16_t)0x0008)
+#define TIM_IT_CC4 ((uint16_t)0x0010)
+#define TIM_IT_COM ((uint16_t)0x0020)
+#define TIM_IT_Trigger ((uint16_t)0x0040)
+#define TIM_IT_Break ((uint16_t)0x0080)
+#define IS_TIM_IT(IT) ((((IT) & (uint16_t)0xFF00) == 0x0000) && ((IT) != 0x0000))
+
+#define IS_TIM_GET_IT(IT) (((IT) == TIM_IT_Update) || \
+ ((IT) == TIM_IT_CC1) || \
+ ((IT) == TIM_IT_CC2) || \
+ ((IT) == TIM_IT_CC3) || \
+ ((IT) == TIM_IT_CC4) || \
+ ((IT) == TIM_IT_COM) || \
+ ((IT) == TIM_IT_Trigger) || \
+ ((IT) == TIM_IT_Break))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_DMA_Base_address
+ * @{
+ */
+
+#define TIM_DMABase_CR1 ((uint16_t)0x0000)
+#define TIM_DMABase_CR2 ((uint16_t)0x0001)
+#define TIM_DMABase_SMCR ((uint16_t)0x0002)
+#define TIM_DMABase_DIER ((uint16_t)0x0003)
+#define TIM_DMABase_SR ((uint16_t)0x0004)
+#define TIM_DMABase_EGR ((uint16_t)0x0005)
+#define TIM_DMABase_CCMR1 ((uint16_t)0x0006)
+#define TIM_DMABase_CCMR2 ((uint16_t)0x0007)
+#define TIM_DMABase_CCER ((uint16_t)0x0008)
+#define TIM_DMABase_CNT ((uint16_t)0x0009)
+#define TIM_DMABase_PSC ((uint16_t)0x000A)
+#define TIM_DMABase_ARR ((uint16_t)0x000B)
+#define TIM_DMABase_RCR ((uint16_t)0x000C)
+#define TIM_DMABase_CCR1 ((uint16_t)0x000D)
+#define TIM_DMABase_CCR2 ((uint16_t)0x000E)
+#define TIM_DMABase_CCR3 ((uint16_t)0x000F)
+#define TIM_DMABase_CCR4 ((uint16_t)0x0010)
+#define TIM_DMABase_BDTR ((uint16_t)0x0011)
+#define TIM_DMABase_DCR ((uint16_t)0x0012)
+#define TIM_DMABase_OR ((uint16_t)0x0013)
+#define IS_TIM_DMA_BASE(BASE) (((BASE) == TIM_DMABase_CR1) || \
+ ((BASE) == TIM_DMABase_CR2) || \
+ ((BASE) == TIM_DMABase_SMCR) || \
+ ((BASE) == TIM_DMABase_DIER) || \
+ ((BASE) == TIM_DMABase_SR) || \
+ ((BASE) == TIM_DMABase_EGR) || \
+ ((BASE) == TIM_DMABase_CCMR1) || \
+ ((BASE) == TIM_DMABase_CCMR2) || \
+ ((BASE) == TIM_DMABase_CCER) || \
+ ((BASE) == TIM_DMABase_CNT) || \
+ ((BASE) == TIM_DMABase_PSC) || \
+ ((BASE) == TIM_DMABase_ARR) || \
+ ((BASE) == TIM_DMABase_RCR) || \
+ ((BASE) == TIM_DMABase_CCR1) || \
+ ((BASE) == TIM_DMABase_CCR2) || \
+ ((BASE) == TIM_DMABase_CCR3) || \
+ ((BASE) == TIM_DMABase_CCR4) || \
+ ((BASE) == TIM_DMABase_BDTR) || \
+ ((BASE) == TIM_DMABase_DCR) || \
+ ((BASE) == TIM_DMABase_OR))
+/**
+ * @}
+ */
+
+
+/** @defgroup TIM_DMA_Burst_Length
+ * @{
+ */
+
+#define TIM_DMABurstLength_1Transfer ((uint16_t)0x0000)
+#define TIM_DMABurstLength_2Transfers ((uint16_t)0x0100)
+#define TIM_DMABurstLength_3Transfers ((uint16_t)0x0200)
+#define TIM_DMABurstLength_4Transfers ((uint16_t)0x0300)
+#define TIM_DMABurstLength_5Transfers ((uint16_t)0x0400)
+#define TIM_DMABurstLength_6Transfers ((uint16_t)0x0500)
+#define TIM_DMABurstLength_7Transfers ((uint16_t)0x0600)
+#define TIM_DMABurstLength_8Transfers ((uint16_t)0x0700)
+#define TIM_DMABurstLength_9Transfers ((uint16_t)0x0800)
+#define TIM_DMABurstLength_10Transfers ((uint16_t)0x0900)
+#define TIM_DMABurstLength_11Transfers ((uint16_t)0x0A00)
+#define TIM_DMABurstLength_12Transfers ((uint16_t)0x0B00)
+#define TIM_DMABurstLength_13Transfers ((uint16_t)0x0C00)
+#define TIM_DMABurstLength_14Transfers ((uint16_t)0x0D00)
+#define TIM_DMABurstLength_15Transfers ((uint16_t)0x0E00)
+#define TIM_DMABurstLength_16Transfers ((uint16_t)0x0F00)
+#define TIM_DMABurstLength_17Transfers ((uint16_t)0x1000)
+#define TIM_DMABurstLength_18Transfers ((uint16_t)0x1100)
+#define IS_TIM_DMA_LENGTH(LENGTH) (((LENGTH) == TIM_DMABurstLength_1Transfer) || \
+ ((LENGTH) == TIM_DMABurstLength_2Transfers) || \
+ ((LENGTH) == TIM_DMABurstLength_3Transfers) || \
+ ((LENGTH) == TIM_DMABurstLength_4Transfers) || \
+ ((LENGTH) == TIM_DMABurstLength_5Transfers) || \
+ ((LENGTH) == TIM_DMABurstLength_6Transfers) || \
+ ((LENGTH) == TIM_DMABurstLength_7Transfers) || \
+ ((LENGTH) == TIM_DMABurstLength_8Transfers) || \
+ ((LENGTH) == TIM_DMABurstLength_9Transfers) || \
+ ((LENGTH) == TIM_DMABurstLength_10Transfers) || \
+ ((LENGTH) == TIM_DMABurstLength_11Transfers) || \
+ ((LENGTH) == TIM_DMABurstLength_12Transfers) || \
+ ((LENGTH) == TIM_DMABurstLength_13Transfers) || \
+ ((LENGTH) == TIM_DMABurstLength_14Transfers) || \
+ ((LENGTH) == TIM_DMABurstLength_15Transfers) || \
+ ((LENGTH) == TIM_DMABurstLength_16Transfers) || \
+ ((LENGTH) == TIM_DMABurstLength_17Transfers) || \
+ ((LENGTH) == TIM_DMABurstLength_18Transfers))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_DMA_sources
+ * @{
+ */
+
+#define TIM_DMA_Update ((uint16_t)0x0100)
+#define TIM_DMA_CC1 ((uint16_t)0x0200)
+#define TIM_DMA_CC2 ((uint16_t)0x0400)
+#define TIM_DMA_CC3 ((uint16_t)0x0800)
+#define TIM_DMA_CC4 ((uint16_t)0x1000)
+#define TIM_DMA_COM ((uint16_t)0x2000)
+#define TIM_DMA_Trigger ((uint16_t)0x4000)
+#define IS_TIM_DMA_SOURCE(SOURCE) ((((SOURCE) & (uint16_t)0x80FF) == 0x0000) && ((SOURCE) != 0x0000))
+
+/**
+ * @}
+ */
+
+/** @defgroup TIM_External_Trigger_Prescaler
+ * @{
+ */
+
+#define TIM_ExtTRGPSC_OFF ((uint16_t)0x0000)
+#define TIM_ExtTRGPSC_DIV2 ((uint16_t)0x1000)
+#define TIM_ExtTRGPSC_DIV4 ((uint16_t)0x2000)
+#define TIM_ExtTRGPSC_DIV8 ((uint16_t)0x3000)
+#define IS_TIM_EXT_PRESCALER(PRESCALER) (((PRESCALER) == TIM_ExtTRGPSC_OFF) || \
+ ((PRESCALER) == TIM_ExtTRGPSC_DIV2) || \
+ ((PRESCALER) == TIM_ExtTRGPSC_DIV4) || \
+ ((PRESCALER) == TIM_ExtTRGPSC_DIV8))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Internal_Trigger_Selection
+ * @{
+ */
+
+#define TIM_TS_ITR0 ((uint16_t)0x0000)
+#define TIM_TS_ITR1 ((uint16_t)0x0010)
+#define TIM_TS_ITR2 ((uint16_t)0x0020)
+#define TIM_TS_ITR3 ((uint16_t)0x0030)
+#define TIM_TS_TI1F_ED ((uint16_t)0x0040)
+#define TIM_TS_TI1FP1 ((uint16_t)0x0050)
+#define TIM_TS_TI2FP2 ((uint16_t)0x0060)
+#define TIM_TS_ETRF ((uint16_t)0x0070)
+#define IS_TIM_TRIGGER_SELECTION(SELECTION) (((SELECTION) == TIM_TS_ITR0) || \
+ ((SELECTION) == TIM_TS_ITR1) || \
+ ((SELECTION) == TIM_TS_ITR2) || \
+ ((SELECTION) == TIM_TS_ITR3) || \
+ ((SELECTION) == TIM_TS_TI1F_ED) || \
+ ((SELECTION) == TIM_TS_TI1FP1) || \
+ ((SELECTION) == TIM_TS_TI2FP2) || \
+ ((SELECTION) == TIM_TS_ETRF))
+#define IS_TIM_INTERNAL_TRIGGER_SELECTION(SELECTION) (((SELECTION) == TIM_TS_ITR0) || \
+ ((SELECTION) == TIM_TS_ITR1) || \
+ ((SELECTION) == TIM_TS_ITR2) || \
+ ((SELECTION) == TIM_TS_ITR3))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_TIx_External_Clock_Source
+ * @{
+ */
+
+#define TIM_TIxExternalCLK1Source_TI1 ((uint16_t)0x0050)
+#define TIM_TIxExternalCLK1Source_TI2 ((uint16_t)0x0060)
+#define TIM_TIxExternalCLK1Source_TI1ED ((uint16_t)0x0040)
+
+/**
+ * @}
+ */
+
+/** @defgroup TIM_External_Trigger_Polarity
+ * @{
+ */
+#define TIM_ExtTRGPolarity_Inverted ((uint16_t)0x8000)
+#define TIM_ExtTRGPolarity_NonInverted ((uint16_t)0x0000)
+#define IS_TIM_EXT_POLARITY(POLARITY) (((POLARITY) == TIM_ExtTRGPolarity_Inverted) || \
+ ((POLARITY) == TIM_ExtTRGPolarity_NonInverted))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Prescaler_Reload_Mode
+ * @{
+ */
+
+#define TIM_PSCReloadMode_Update ((uint16_t)0x0000)
+#define TIM_PSCReloadMode_Immediate ((uint16_t)0x0001)
+#define IS_TIM_PRESCALER_RELOAD(RELOAD) (((RELOAD) == TIM_PSCReloadMode_Update) || \
+ ((RELOAD) == TIM_PSCReloadMode_Immediate))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Forced_Action
+ * @{
+ */
+
+#define TIM_ForcedAction_Active ((uint16_t)0x0050)
+#define TIM_ForcedAction_InActive ((uint16_t)0x0040)
+#define IS_TIM_FORCED_ACTION(ACTION) (((ACTION) == TIM_ForcedAction_Active) || \
+ ((ACTION) == TIM_ForcedAction_InActive))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Encoder_Mode
+ * @{
+ */
+
+#define TIM_EncoderMode_TI1 ((uint16_t)0x0001)
+#define TIM_EncoderMode_TI2 ((uint16_t)0x0002)
+#define TIM_EncoderMode_TI12 ((uint16_t)0x0003)
+#define IS_TIM_ENCODER_MODE(MODE) (((MODE) == TIM_EncoderMode_TI1) || \
+ ((MODE) == TIM_EncoderMode_TI2) || \
+ ((MODE) == TIM_EncoderMode_TI12))
+/**
+ * @}
+ */
+
+
+/** @defgroup TIM_Event_Source
+ * @{
+ */
+
+#define TIM_EventSource_Update ((uint16_t)0x0001)
+#define TIM_EventSource_CC1 ((uint16_t)0x0002)
+#define TIM_EventSource_CC2 ((uint16_t)0x0004)
+#define TIM_EventSource_CC3 ((uint16_t)0x0008)
+#define TIM_EventSource_CC4 ((uint16_t)0x0010)
+#define TIM_EventSource_COM ((uint16_t)0x0020)
+#define TIM_EventSource_Trigger ((uint16_t)0x0040)
+#define TIM_EventSource_Break ((uint16_t)0x0080)
+#define IS_TIM_EVENT_SOURCE(SOURCE) ((((SOURCE) & (uint16_t)0xFF00) == 0x0000) && ((SOURCE) != 0x0000))
+
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Update_Source
+ * @{
+ */
+
+#define TIM_UpdateSource_Global ((uint16_t)0x0000) /*!< Source of update is the counter overflow/underflow
+ or the setting of UG bit, or an update generation
+ through the slave mode controller. */
+#define TIM_UpdateSource_Regular ((uint16_t)0x0001) /*!< Source of update is counter overflow/underflow. */
+#define IS_TIM_UPDATE_SOURCE(SOURCE) (((SOURCE) == TIM_UpdateSource_Global) || \
+ ((SOURCE) == TIM_UpdateSource_Regular))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Output_Compare_Preload_State
+ * @{
+ */
+
+#define TIM_OCPreload_Enable ((uint16_t)0x0008)
+#define TIM_OCPreload_Disable ((uint16_t)0x0000)
+#define IS_TIM_OCPRELOAD_STATE(STATE) (((STATE) == TIM_OCPreload_Enable) || \
+ ((STATE) == TIM_OCPreload_Disable))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Output_Compare_Fast_State
+ * @{
+ */
+
+#define TIM_OCFast_Enable ((uint16_t)0x0004)
+#define TIM_OCFast_Disable ((uint16_t)0x0000)
+#define IS_TIM_OCFAST_STATE(STATE) (((STATE) == TIM_OCFast_Enable) || \
+ ((STATE) == TIM_OCFast_Disable))
+
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Output_Compare_Clear_State
+ * @{
+ */
+
+#define TIM_OCClear_Enable ((uint16_t)0x0080)
+#define TIM_OCClear_Disable ((uint16_t)0x0000)
+#define IS_TIM_OCCLEAR_STATE(STATE) (((STATE) == TIM_OCClear_Enable) || \
+ ((STATE) == TIM_OCClear_Disable))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Trigger_Output_Source
+ * @{
+ */
+
+#define TIM_TRGOSource_Reset ((uint16_t)0x0000)
+#define TIM_TRGOSource_Enable ((uint16_t)0x0010)
+#define TIM_TRGOSource_Update ((uint16_t)0x0020)
+#define TIM_TRGOSource_OC1 ((uint16_t)0x0030)
+#define TIM_TRGOSource_OC1Ref ((uint16_t)0x0040)
+#define TIM_TRGOSource_OC2Ref ((uint16_t)0x0050)
+#define TIM_TRGOSource_OC3Ref ((uint16_t)0x0060)
+#define TIM_TRGOSource_OC4Ref ((uint16_t)0x0070)
+#define IS_TIM_TRGO_SOURCE(SOURCE) (((SOURCE) == TIM_TRGOSource_Reset) || \
+ ((SOURCE) == TIM_TRGOSource_Enable) || \
+ ((SOURCE) == TIM_TRGOSource_Update) || \
+ ((SOURCE) == TIM_TRGOSource_OC1) || \
+ ((SOURCE) == TIM_TRGOSource_OC1Ref) || \
+ ((SOURCE) == TIM_TRGOSource_OC2Ref) || \
+ ((SOURCE) == TIM_TRGOSource_OC3Ref) || \
+ ((SOURCE) == TIM_TRGOSource_OC4Ref))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Slave_Mode
+ * @{
+ */
+
+#define TIM_SlaveMode_Reset ((uint16_t)0x0004)
+#define TIM_SlaveMode_Gated ((uint16_t)0x0005)
+#define TIM_SlaveMode_Trigger ((uint16_t)0x0006)
+#define TIM_SlaveMode_External1 ((uint16_t)0x0007)
+#define IS_TIM_SLAVE_MODE(MODE) (((MODE) == TIM_SlaveMode_Reset) || \
+ ((MODE) == TIM_SlaveMode_Gated) || \
+ ((MODE) == TIM_SlaveMode_Trigger) || \
+ ((MODE) == TIM_SlaveMode_External1))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Master_Slave_Mode
+ * @{
+ */
+
+#define TIM_MasterSlaveMode_Enable ((uint16_t)0x0080)
+#define TIM_MasterSlaveMode_Disable ((uint16_t)0x0000)
+#define IS_TIM_MSM_STATE(STATE) (((STATE) == TIM_MasterSlaveMode_Enable) || \
+ ((STATE) == TIM_MasterSlaveMode_Disable))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Flags
+ * @{
+ */
+
+#define TIM_FLAG_Update ((uint16_t)0x0001)
+#define TIM_FLAG_CC1 ((uint16_t)0x0002)
+#define TIM_FLAG_CC2 ((uint16_t)0x0004)
+#define TIM_FLAG_CC3 ((uint16_t)0x0008)
+#define TIM_FLAG_CC4 ((uint16_t)0x0010)
+#define TIM_FLAG_COM ((uint16_t)0x0020)
+#define TIM_FLAG_Trigger ((uint16_t)0x0040)
+#define TIM_FLAG_Break ((uint16_t)0x0080)
+#define TIM_FLAG_CC1OF ((uint16_t)0x0200)
+#define TIM_FLAG_CC2OF ((uint16_t)0x0400)
+#define TIM_FLAG_CC3OF ((uint16_t)0x0800)
+#define TIM_FLAG_CC4OF ((uint16_t)0x1000)
+#define IS_TIM_GET_FLAG(FLAG) (((FLAG) == TIM_FLAG_Update) || \
+ ((FLAG) == TIM_FLAG_CC1) || \
+ ((FLAG) == TIM_FLAG_CC2) || \
+ ((FLAG) == TIM_FLAG_CC3) || \
+ ((FLAG) == TIM_FLAG_CC4) || \
+ ((FLAG) == TIM_FLAG_COM) || \
+ ((FLAG) == TIM_FLAG_Trigger) || \
+ ((FLAG) == TIM_FLAG_Break) || \
+ ((FLAG) == TIM_FLAG_CC1OF) || \
+ ((FLAG) == TIM_FLAG_CC2OF) || \
+ ((FLAG) == TIM_FLAG_CC3OF) || \
+ ((FLAG) == TIM_FLAG_CC4OF))
+
+
+#define IS_TIM_CLEAR_FLAG(TIM_FLAG) ((((TIM_FLAG) & (uint16_t)0xE100) == 0x0000) && ((TIM_FLAG) != 0x0000))
+/**
+ * @}
+ */
+
+
+/** @defgroup TIM_Input_Capture_Filer_Value
+ * @{
+ */
+
+#define IS_TIM_IC_FILTER(ICFILTER) ((ICFILTER) <= 0xF)
+/**
+ * @}
+ */
+
+/** @defgroup TIM_External_Trigger_Filter
+ * @{
+ */
+
+#define IS_TIM_EXT_FILTER(EXTFILTER) ((EXTFILTER) <= 0xF)
+/**
+ * @}
+ */
+
+/** @defgroup TIM_OCReferenceClear
+ * @{
+ */
+#define TIM_OCReferenceClear_ETRF ((uint16_t)0x0008)
+#define TIM_OCReferenceClear_OCREFCLR ((uint16_t)0x0000)
+#define TIM_OCREFERENCECECLEAR_SOURCE(SOURCE) (((SOURCE) == TIM_OCReferenceClear_ETRF) || \
+ ((SOURCE) == TIM_OCReferenceClear_OCREFCLR))
+
+/**
+ * @}
+ */
+/** @defgroup TIM_Remap
+ * @{
+ */
+#define TIM14_GPIO ((uint16_t)0x0000)
+#define TIM14_RTC_CLK ((uint16_t)0x0001)
+#define TIM14_HSEDiv32 ((uint16_t)0x0002)
+#define TIM14_MCO ((uint16_t)0x0003)
+
+#define IS_TIM_REMAP(TIM_REMAP) (((TIM_REMAP) == TIM14_GPIO)|| \
+ ((TIM_REMAP) == TIM14_RTC_CLK) || \
+ ((TIM_REMAP) == TIM14_HSEDiv32) || \
+ ((TIM_REMAP) == TIM14_MCO))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Legacy
+ * @{
+ */
+
+#define TIM_DMABurstLength_1Byte TIM_DMABurstLength_1Transfer
+#define TIM_DMABurstLength_2Bytes TIM_DMABurstLength_2Transfers
+#define TIM_DMABurstLength_3Bytes TIM_DMABurstLength_3Transfers
+#define TIM_DMABurstLength_4Bytes TIM_DMABurstLength_4Transfers
+#define TIM_DMABurstLength_5Bytes TIM_DMABurstLength_5Transfers
+#define TIM_DMABurstLength_6Bytes TIM_DMABurstLength_6Transfers
+#define TIM_DMABurstLength_7Bytes TIM_DMABurstLength_7Transfers
+#define TIM_DMABurstLength_8Bytes TIM_DMABurstLength_8Transfers
+#define TIM_DMABurstLength_9Bytes TIM_DMABurstLength_9Transfers
+#define TIM_DMABurstLength_10Bytes TIM_DMABurstLength_10Transfers
+#define TIM_DMABurstLength_11Bytes TIM_DMABurstLength_11Transfers
+#define TIM_DMABurstLength_12Bytes TIM_DMABurstLength_12Transfers
+#define TIM_DMABurstLength_13Bytes TIM_DMABurstLength_13Transfers
+#define TIM_DMABurstLength_14Bytes TIM_DMABurstLength_14Transfers
+#define TIM_DMABurstLength_15Bytes TIM_DMABurstLength_15Transfers
+#define TIM_DMABurstLength_16Bytes TIM_DMABurstLength_16Transfers
+#define TIM_DMABurstLength_17Bytes TIM_DMABurstLength_17Transfers
+#define TIM_DMABurstLength_18Bytes TIM_DMABurstLength_18Transfers
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+
+/* TimeBase management ********************************************************/
+void TIM_DeInit(TIM_TypeDef* TIMx);
+void TIM_TimeBaseInit(TIM_TypeDef* TIMx, TIM_TimeBaseInitTypeDef* TIM_TimeBaseInitStruct);
+void TIM_TimeBaseStructInit(TIM_TimeBaseInitTypeDef* TIM_TimeBaseInitStruct);
+void TIM_PrescalerConfig(TIM_TypeDef* TIMx, uint16_t Prescaler, uint16_t TIM_PSCReloadMode);
+void TIM_CounterModeConfig(TIM_TypeDef* TIMx, uint16_t TIM_CounterMode);
+void TIM_SetCounter(TIM_TypeDef* TIMx, uint32_t Counter);
+void TIM_SetAutoreload(TIM_TypeDef* TIMx, uint32_t Autoreload);
+uint32_t TIM_GetCounter(TIM_TypeDef* TIMx);
+uint16_t TIM_GetPrescaler(TIM_TypeDef* TIMx);
+void TIM_UpdateDisableConfig(TIM_TypeDef* TIMx, FunctionalState NewState);
+void TIM_UpdateRequestConfig(TIM_TypeDef* TIMx, uint16_t TIM_UpdateSource);
+void TIM_ARRPreloadConfig(TIM_TypeDef* TIMx, FunctionalState NewState);
+void TIM_SelectOnePulseMode(TIM_TypeDef* TIMx, uint16_t TIM_OPMode);
+void TIM_SetClockDivision(TIM_TypeDef* TIMx, uint16_t TIM_CKD);
+void TIM_Cmd(TIM_TypeDef* TIMx, FunctionalState NewState);
+
+/* Advanced-control timers (TIM1) specific features*******************/
+void TIM_BDTRConfig(TIM_TypeDef* TIMx, TIM_BDTRInitTypeDef *TIM_BDTRInitStruct);
+void TIM_BDTRStructInit(TIM_BDTRInitTypeDef* TIM_BDTRInitStruct);
+void TIM_CtrlPWMOutputs(TIM_TypeDef* TIMx, FunctionalState NewState);
+
+/* Output Compare management **************************************************/
+void TIM_OC1Init(TIM_TypeDef* TIMx, TIM_OCInitTypeDef* TIM_OCInitStruct);
+void TIM_OC2Init(TIM_TypeDef* TIMx, TIM_OCInitTypeDef* TIM_OCInitStruct);
+void TIM_OC3Init(TIM_TypeDef* TIMx, TIM_OCInitTypeDef* TIM_OCInitStruct);
+void TIM_OC4Init(TIM_TypeDef* TIMx, TIM_OCInitTypeDef* TIM_OCInitStruct);
+void TIM_OCStructInit(TIM_OCInitTypeDef* TIM_OCInitStruct);
+void TIM_SelectOCxM(TIM_TypeDef* TIMx, uint16_t TIM_Channel, uint16_t TIM_OCMode);
+void TIM_SetCompare1(TIM_TypeDef* TIMx, uint32_t Compare1);
+void TIM_SetCompare2(TIM_TypeDef* TIMx, uint32_t Compare2);
+void TIM_SetCompare3(TIM_TypeDef* TIMx, uint32_t Compare3);
+void TIM_SetCompare4(TIM_TypeDef* TIMx, uint32_t Compare4);
+void TIM_ForcedOC1Config(TIM_TypeDef* TIMx, uint16_t TIM_ForcedAction);
+void TIM_ForcedOC2Config(TIM_TypeDef* TIMx, uint16_t TIM_ForcedAction);
+void TIM_ForcedOC3Config(TIM_TypeDef* TIMx, uint16_t TIM_ForcedAction);
+void TIM_ForcedOC4Config(TIM_TypeDef* TIMx, uint16_t TIM_ForcedAction);
+void TIM_CCPreloadControl(TIM_TypeDef* TIMx, FunctionalState NewState);
+void TIM_OC1PreloadConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPreload);
+void TIM_OC2PreloadConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPreload);
+void TIM_OC3PreloadConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPreload);
+void TIM_OC4PreloadConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPreload);
+void TIM_OC1FastConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCFast);
+void TIM_OC2FastConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCFast);
+void TIM_OC3FastConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCFast);
+void TIM_OC4FastConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCFast);
+void TIM_ClearOC1Ref(TIM_TypeDef* TIMx, uint16_t TIM_OCClear);
+void TIM_ClearOC2Ref(TIM_TypeDef* TIMx, uint16_t TIM_OCClear);
+void TIM_ClearOC3Ref(TIM_TypeDef* TIMx, uint16_t TIM_OCClear);
+void TIM_ClearOC4Ref(TIM_TypeDef* TIMx, uint16_t TIM_OCClear);
+void TIM_OC1PolarityConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPolarity);
+void TIM_OC1NPolarityConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCNPolarity);
+void TIM_OC2PolarityConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPolarity);
+void TIM_OC2NPolarityConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCNPolarity);
+void TIM_OC3PolarityConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPolarity);
+void TIM_OC3NPolarityConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCNPolarity);
+void TIM_OC4PolarityConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPolarity);
+void TIM_SelectOCREFClear(TIM_TypeDef* TIMx, uint16_t TIM_OCReferenceClear);
+void TIM_CCxCmd(TIM_TypeDef* TIMx, uint16_t TIM_Channel, uint16_t TIM_CCx);
+void TIM_CCxNCmd(TIM_TypeDef* TIMx, uint16_t TIM_Channel, uint16_t TIM_CCxN);
+void TIM_SelectCOM(TIM_TypeDef* TIMx, FunctionalState NewState);
+
+/* Input Capture management ***************************************************/
+void TIM_ICInit(TIM_TypeDef* TIMx, TIM_ICInitTypeDef* TIM_ICInitStruct);
+void TIM_ICStructInit(TIM_ICInitTypeDef* TIM_ICInitStruct);
+void TIM_PWMIConfig(TIM_TypeDef* TIMx, TIM_ICInitTypeDef* TIM_ICInitStruct);
+uint32_t TIM_GetCapture1(TIM_TypeDef* TIMx);
+uint32_t TIM_GetCapture2(TIM_TypeDef* TIMx);
+uint32_t TIM_GetCapture3(TIM_TypeDef* TIMx);
+uint32_t TIM_GetCapture4(TIM_TypeDef* TIMx);
+void TIM_SetIC1Prescaler(TIM_TypeDef* TIMx, uint16_t TIM_ICPSC);
+void TIM_SetIC2Prescaler(TIM_TypeDef* TIMx, uint16_t TIM_ICPSC);
+void TIM_SetIC3Prescaler(TIM_TypeDef* TIMx, uint16_t TIM_ICPSC);
+void TIM_SetIC4Prescaler(TIM_TypeDef* TIMx, uint16_t TIM_ICPSC);
+
+/* Interrupts, DMA and flags management ***************************************/
+void TIM_ITConfig(TIM_TypeDef* TIMx, uint16_t TIM_IT, FunctionalState NewState);
+void TIM_GenerateEvent(TIM_TypeDef* TIMx, uint16_t TIM_EventSource);
+FlagStatus TIM_GetFlagStatus(TIM_TypeDef* TIMx, uint16_t TIM_FLAG);
+void TIM_ClearFlag(TIM_TypeDef* TIMx, uint16_t TIM_FLAG);
+ITStatus TIM_GetITStatus(TIM_TypeDef* TIMx, uint16_t TIM_IT);
+void TIM_ClearITPendingBit(TIM_TypeDef* TIMx, uint16_t TIM_IT);
+void TIM_DMAConfig(TIM_TypeDef* TIMx, uint16_t TIM_DMABase, uint16_t TIM_DMABurstLength);
+void TIM_DMACmd(TIM_TypeDef* TIMx, uint16_t TIM_DMASource, FunctionalState NewState);
+void TIM_SelectCCDMA(TIM_TypeDef* TIMx, FunctionalState NewState);
+
+/* Clocks management **********************************************************/
+void TIM_InternalClockConfig(TIM_TypeDef* TIMx);
+void TIM_ITRxExternalClockConfig(TIM_TypeDef* TIMx, uint16_t TIM_InputTriggerSource);
+void TIM_TIxExternalClockConfig(TIM_TypeDef* TIMx, uint16_t TIM_TIxExternalCLKSource,
+ uint16_t TIM_ICPolarity, uint16_t ICFilter);
+void TIM_ETRClockMode1Config(TIM_TypeDef* TIMx, uint16_t TIM_ExtTRGPrescaler, uint16_t TIM_ExtTRGPolarity,
+ uint16_t ExtTRGFilter);
+void TIM_ETRClockMode2Config(TIM_TypeDef* TIMx, uint16_t TIM_ExtTRGPrescaler,
+ uint16_t TIM_ExtTRGPolarity, uint16_t ExtTRGFilter);
+
+
+/* Synchronization management *************************************************/
+void TIM_SelectInputTrigger(TIM_TypeDef* TIMx, uint16_t TIM_InputTriggerSource);
+void TIM_SelectOutputTrigger(TIM_TypeDef* TIMx, uint16_t TIM_TRGOSource);
+void TIM_SelectSlaveMode(TIM_TypeDef* TIMx, uint16_t TIM_SlaveMode);
+void TIM_SelectMasterSlaveMode(TIM_TypeDef* TIMx, uint16_t TIM_MasterSlaveMode);
+void TIM_ETRConfig(TIM_TypeDef* TIMx, uint16_t TIM_ExtTRGPrescaler, uint16_t TIM_ExtTRGPolarity,
+ uint16_t ExtTRGFilter);
+
+/* Specific interface management **********************************************/
+void TIM_EncoderInterfaceConfig(TIM_TypeDef* TIMx, uint16_t TIM_EncoderMode,
+ uint16_t TIM_IC1Polarity, uint16_t TIM_IC2Polarity);
+void TIM_SelectHallSensor(TIM_TypeDef* TIMx, FunctionalState NewState);
+
+/* Specific remapping management **********************************************/
+void TIM_RemapConfig(TIM_TypeDef* TIMx, uint16_t TIM_Remap);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*__STM32F0XX_TIM_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_usart.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_usart.h
new file mode 100644
index 00000000..85ff3c6f
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_usart.h
@@ -0,0 +1,604 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_usart.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the USART
+ * firmware library.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_USART_H
+#define __STM32F0XX_USART_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup USART
+ * @{
+ */
+
+/* Exported types ------------------------------------------------------------*/
+
+
+
+/**
+ * @brief USART Init Structure definition
+ */
+
+typedef struct
+{
+ uint32_t USART_BaudRate; /*!< This member configures the USART communication baud rate.
+ The baud rate is computed using the following formula:
+ - IntegerDivider = ((PCLKx) / (16 * (USART_InitStruct->USART_BaudRate)))
+ - FractionalDivider = ((IntegerDivider - ((uint32_t) IntegerDivider)) * 16) + 0.5 */
+
+ uint32_t USART_WordLength; /*!< Specifies the number of data bits transmitted or received in a frame.
+ This parameter can be a value of @ref USART_Word_Length */
+
+ uint32_t USART_StopBits; /*!< Specifies the number of stop bits transmitted.
+ This parameter can be a value of @ref USART_Stop_Bits */
+
+ uint32_t USART_Parity; /*!< Specifies the parity mode.
+ This parameter can be a value of @ref USART_Parity
+ @note When parity is enabled, the computed parity is inserted
+ at the MSB position of the transmitted data (9th bit when
+ the word length is set to 9 data bits; 8th bit when the
+ word length is set to 8 data bits). */
+
+ uint32_t USART_Mode; /*!< Specifies wether the Receive or Transmit mode is enabled or disabled.
+ This parameter can be a value of @ref USART_Mode */
+
+ uint32_t USART_HardwareFlowControl; /*!< Specifies wether the hardware flow control mode is enabled
+ or disabled.
+ This parameter can be a value of @ref USART_Hardware_Flow_Control*/
+} USART_InitTypeDef;
+
+/**
+ * @brief USART Clock Init Structure definition
+ */
+
+typedef struct
+{
+ uint32_t USART_Clock; /*!< Specifies whether the USART clock is enabled or disabled.
+ This parameter can be a value of @ref USART_Clock */
+
+ uint32_t USART_CPOL; /*!< Specifies the steady state of the serial clock.
+ This parameter can be a value of @ref USART_Clock_Polarity */
+
+ uint32_t USART_CPHA; /*!< Specifies the clock transition on which the bit capture is made.
+ This parameter can be a value of @ref USART_Clock_Phase */
+
+ uint32_t USART_LastBit; /*!< Specifies whether the clock pulse corresponding to the last transmitted
+ data bit (MSB) has to be output on the SCLK pin in synchronous mode.
+ This parameter can be a value of @ref USART_Last_Bit */
+} USART_ClockInitTypeDef;
+
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup USART_Exported_Constants
+ * @{
+ */
+
+#define IS_USART_ALL_PERIPH(PERIPH) (((PERIPH) == USART1) || \
+ ((PERIPH) == USART2) || \
+ ((PERIPH) == USART3) || \
+ ((PERIPH) == USART4) || \
+ ((PERIPH) == USART5) || \
+ ((PERIPH) == USART6) || \
+ ((PERIPH) == USART7) || \
+ ((PERIPH) == USART8))
+
+#define IS_USART_123_PERIPH(PERIPH) (((PERIPH) == USART1) || \
+ ((PERIPH) == USART2) || \
+ ((PERIPH) == USART3))
+
+/** @defgroup USART_Word_Length
+ * @{
+ */
+
+#define USART_WordLength_8b ((uint32_t)0x00000000)
+#define USART_WordLength_9b USART_CR1_M /* should be ((uint32_t)0x00001000) */
+#define USART_WordLength_7b ((uint32_t)0x10001000) /*!< only available for STM32F072 and STM32F030 devices */
+#define IS_USART_WORD_LENGTH(LENGTH) (((LENGTH) == USART_WordLength_8b) || \
+ ((LENGTH) == USART_WordLength_9b) || \
+ ((LENGTH) == USART_WordLength_7b))
+/**
+ * @}
+ */
+
+/** @defgroup USART_Stop_Bits
+ * @{
+ */
+
+#define USART_StopBits_1 ((uint32_t)0x00000000)
+#define USART_StopBits_2 USART_CR2_STOP_1
+#define USART_StopBits_1_5 (USART_CR2_STOP_0 | USART_CR2_STOP_1)
+#define IS_USART_STOPBITS(STOPBITS) (((STOPBITS) == USART_StopBits_1) || \
+ ((STOPBITS) == USART_StopBits_2) || \
+ ((STOPBITS) == USART_StopBits_1_5))
+/**
+ * @}
+ */
+
+/** @defgroup USART_Parity
+ * @{
+ */
+
+#define USART_Parity_No ((uint32_t)0x00000000)
+#define USART_Parity_Even USART_CR1_PCE
+#define USART_Parity_Odd (USART_CR1_PCE | USART_CR1_PS)
+#define IS_USART_PARITY(PARITY) (((PARITY) == USART_Parity_No) || \
+ ((PARITY) == USART_Parity_Even) || \
+ ((PARITY) == USART_Parity_Odd))
+/**
+ * @}
+ */
+
+/** @defgroup USART_Mode
+ * @{
+ */
+
+#define USART_Mode_Rx USART_CR1_RE
+#define USART_Mode_Tx USART_CR1_TE
+#define IS_USART_MODE(MODE) ((((MODE) & (uint32_t)0xFFFFFFF3) == 0x00) && \
+ ((MODE) != (uint32_t)0x00))
+/**
+ * @}
+ */
+
+/** @defgroup USART_Hardware_Flow_Control
+ * @{
+ */
+
+#define USART_HardwareFlowControl_None ((uint32_t)0x00000000)
+#define USART_HardwareFlowControl_RTS USART_CR3_RTSE
+#define USART_HardwareFlowControl_CTS USART_CR3_CTSE
+#define USART_HardwareFlowControl_RTS_CTS (USART_CR3_RTSE | USART_CR3_CTSE)
+#define IS_USART_HARDWARE_FLOW_CONTROL(CONTROL)\
+ (((CONTROL) == USART_HardwareFlowControl_None) || \
+ ((CONTROL) == USART_HardwareFlowControl_RTS) || \
+ ((CONTROL) == USART_HardwareFlowControl_CTS) || \
+ ((CONTROL) == USART_HardwareFlowControl_RTS_CTS))
+/**
+ * @}
+ */
+
+/** @defgroup USART_Clock
+ * @{
+ */
+
+#define USART_Clock_Disable ((uint32_t)0x00000000)
+#define USART_Clock_Enable USART_CR2_CLKEN
+#define IS_USART_CLOCK(CLOCK) (((CLOCK) == USART_Clock_Disable) || \
+ ((CLOCK) == USART_Clock_Enable))
+/**
+ * @}
+ */
+
+/** @defgroup USART_Clock_Polarity
+ * @{
+ */
+
+#define USART_CPOL_Low ((uint32_t)0x00000000)
+#define USART_CPOL_High USART_CR2_CPOL
+#define IS_USART_CPOL(CPOL) (((CPOL) == USART_CPOL_Low) || ((CPOL) == USART_CPOL_High))
+
+/**
+ * @}
+ */
+
+/** @defgroup USART_Clock_Phase
+ * @{
+ */
+
+#define USART_CPHA_1Edge ((uint32_t)0x00000000)
+#define USART_CPHA_2Edge USART_CR2_CPHA
+#define IS_USART_CPHA(CPHA) (((CPHA) == USART_CPHA_1Edge) || ((CPHA) == USART_CPHA_2Edge))
+
+/**
+ * @}
+ */
+
+/** @defgroup USART_Last_Bit
+ * @{
+ */
+
+#define USART_LastBit_Disable ((uint32_t)0x00000000)
+#define USART_LastBit_Enable USART_CR2_LBCL
+#define IS_USART_LASTBIT(LASTBIT) (((LASTBIT) == USART_LastBit_Disable) || \
+ ((LASTBIT) == USART_LastBit_Enable))
+/**
+ * @}
+ */
+
+/** @defgroup USART_DMA_Requests
+ * @{
+ */
+
+#define USART_DMAReq_Tx USART_CR3_DMAT
+#define USART_DMAReq_Rx USART_CR3_DMAR
+#define IS_USART_DMAREQ(DMAREQ) ((((DMAREQ) & (uint32_t)0xFFFFFF3F) == 0x00) && \
+ ((DMAREQ) != (uint32_t)0x00))
+
+/**
+ * @}
+ */
+
+/** @defgroup USART_DMA_Recception_Error
+ * @{
+ */
+
+#define USART_DMAOnError_Enable ((uint32_t)0x00000000)
+#define USART_DMAOnError_Disable USART_CR3_DDRE
+#define IS_USART_DMAONERROR(DMAERROR) (((DMAERROR) == USART_DMAOnError_Disable)|| \
+ ((DMAERROR) == USART_DMAOnError_Enable))
+/**
+ * @}
+ */
+
+/** @defgroup USART_MuteMode_WakeUp_methods
+ * @{
+ */
+
+#define USART_WakeUp_IdleLine ((uint32_t)0x00000000)
+#define USART_WakeUp_AddressMark USART_CR1_WAKE
+#define IS_USART_MUTEMODE_WAKEUP(WAKEUP) (((WAKEUP) == USART_WakeUp_IdleLine) || \
+ ((WAKEUP) == USART_WakeUp_AddressMark))
+/**
+ * @}
+ */
+
+/** @defgroup USART_Address_Detection
+ * @{
+ */
+
+#define USART_AddressLength_4b ((uint32_t)0x00000000)
+#define USART_AddressLength_7b USART_CR2_ADDM7
+#define IS_USART_ADDRESS_DETECTION(ADDRESS) (((ADDRESS) == USART_AddressLength_4b) || \
+ ((ADDRESS) == USART_AddressLength_7b))
+/**
+ * @}
+ */
+
+/** @defgroup USART_StopMode_WakeUp_methods
+ * @note These parameters are only available for STM32F051 and STM32F072 devices
+ * @{
+ */
+
+#define USART_WakeUpSource_AddressMatch ((uint32_t)0x00000000)
+#define USART_WakeUpSource_StartBit USART_CR3_WUS_1
+#define USART_WakeUpSource_RXNE (USART_CR3_WUS_0 | USART_CR3_WUS_1)
+#define IS_USART_STOPMODE_WAKEUPSOURCE(SOURCE) (((SOURCE) == USART_WakeUpSource_AddressMatch) || \
+ ((SOURCE) == USART_WakeUpSource_StartBit) || \
+ ((SOURCE) == USART_WakeUpSource_RXNE))
+/**
+ * @}
+ */
+
+/** @defgroup USART_LIN_Break_Detection_Length
+ * @{
+ */
+
+#define USART_LINBreakDetectLength_10b ((uint32_t)0x00000000)
+#define USART_LINBreakDetectLength_11b USART_CR2_LBDL
+#define IS_USART_LIN_BREAK_DETECT_LENGTH(LENGTH) \
+ (((LENGTH) == USART_LINBreakDetectLength_10b) || \
+ ((LENGTH) == USART_LINBreakDetectLength_11b))
+/**
+ * @}
+ */
+
+/** @defgroup USART_IrDA_Low_Power
+ * @{
+ */
+
+#define USART_IrDAMode_LowPower USART_CR3_IRLP
+#define USART_IrDAMode_Normal ((uint32_t)0x00000000)
+#define IS_USART_IRDA_MODE(MODE) (((MODE) == USART_IrDAMode_LowPower) || \
+ ((MODE) == USART_IrDAMode_Normal))
+/**
+ * @}
+ */
+
+/** @defgroup USART_DE_Polarity
+ * @{
+ */
+
+#define USART_DEPolarity_High ((uint32_t)0x00000000)
+#define USART_DEPolarity_Low USART_CR3_DEP
+#define IS_USART_DE_POLARITY(POLARITY) (((POLARITY) == USART_DEPolarity_Low) || \
+ ((POLARITY) == USART_DEPolarity_High))
+/**
+ * @}
+ */
+
+/** @defgroup USART_Inversion_Pins
+ * @{
+ */
+
+#define USART_InvPin_Tx USART_CR2_TXINV
+#define USART_InvPin_Rx USART_CR2_RXINV
+#define IS_USART_INVERSTION_PIN(PIN) ((((PIN) & (uint32_t)0xFFFCFFFF) == 0x00) && \
+ ((PIN) != (uint32_t)0x00))
+
+/**
+ * @}
+ */
+
+/** @defgroup USART_AutoBaudRate_Mode
+ * @{
+ */
+
+#define USART_AutoBaudRate_StartBit ((uint32_t)0x00000000)
+#define USART_AutoBaudRate_FallingEdge USART_CR2_ABRMODE_0
+#define IS_USART_AUTOBAUDRATE_MODE(MODE) (((MODE) == USART_AutoBaudRate_StartBit) || \
+ ((MODE) == USART_AutoBaudRate_FallingEdge))
+/**
+ * @}
+ */
+
+/** @defgroup USART_OVR_DETECTION
+ * @{
+ */
+
+#define USART_OVRDetection_Enable ((uint32_t)0x00000000)
+#define USART_OVRDetection_Disable USART_CR3_OVRDIS
+#define IS_USART_OVRDETECTION(OVR) (((OVR) == USART_OVRDetection_Enable)|| \
+ ((OVR) == USART_OVRDetection_Disable))
+/**
+ * @}
+ */
+/** @defgroup USART_Request
+ * @{
+ */
+
+#define USART_Request_ABRRQ USART_RQR_ABRRQ
+#define USART_Request_SBKRQ USART_RQR_SBKRQ
+#define USART_Request_MMRQ USART_RQR_MMRQ
+#define USART_Request_RXFRQ USART_RQR_RXFRQ
+#define USART_Request_TXFRQ USART_RQR_TXFRQ
+
+#define IS_USART_REQUEST(REQUEST) (((REQUEST) == USART_Request_TXFRQ) || \
+ ((REQUEST) == USART_Request_RXFRQ) || \
+ ((REQUEST) == USART_Request_MMRQ) || \
+ ((REQUEST) == USART_Request_SBKRQ) || \
+ ((REQUEST) == USART_Request_ABRRQ))
+/**
+ * @}
+ */
+
+/** @defgroup USART_Flags
+ * @{
+ */
+#define USART_FLAG_REACK USART_ISR_REACK
+#define USART_FLAG_TEACK USART_ISR_TEACK
+#define USART_FLAG_WU USART_ISR_WUF /*!< Not available for STM32F030 devices */
+#define USART_FLAG_RWU USART_ISR_RWU /*!< Not available for STM32F030 devices */
+#define USART_FLAG_SBK USART_ISR_SBKF
+#define USART_FLAG_CM USART_ISR_CMF
+#define USART_FLAG_BUSY USART_ISR_BUSY
+#define USART_FLAG_ABRF USART_ISR_ABRF
+#define USART_FLAG_ABRE USART_ISR_ABRE
+#define USART_FLAG_EOB USART_ISR_EOBF /*!< Not available for STM32F030 devices */
+#define USART_FLAG_RTO USART_ISR_RTOF
+#define USART_FLAG_nCTSS USART_ISR_CTS
+#define USART_FLAG_CTS USART_ISR_CTSIF
+#define USART_FLAG_LBD USART_ISR_LBD /*!< Not available for STM32F030 devices */
+#define USART_FLAG_TXE USART_ISR_TXE
+#define USART_FLAG_TC USART_ISR_TC
+#define USART_FLAG_RXNE USART_ISR_RXNE
+#define USART_FLAG_IDLE USART_ISR_IDLE
+#define USART_FLAG_ORE USART_ISR_ORE
+#define USART_FLAG_NE USART_ISR_NE
+#define USART_FLAG_FE USART_ISR_FE
+#define USART_FLAG_PE USART_ISR_PE
+#define IS_USART_FLAG(FLAG) (((FLAG) == USART_FLAG_PE) || ((FLAG) == USART_FLAG_TXE) || \
+ ((FLAG) == USART_FLAG_TC) || ((FLAG) == USART_FLAG_RXNE) || \
+ ((FLAG) == USART_FLAG_IDLE) || ((FLAG) == USART_FLAG_LBD) || \
+ ((FLAG) == USART_FLAG_CTS) || ((FLAG) == USART_FLAG_ORE) || \
+ ((FLAG) == USART_FLAG_NE) || ((FLAG) == USART_FLAG_FE) || \
+ ((FLAG) == USART_FLAG_nCTSS) || ((FLAG) == USART_FLAG_RTO) || \
+ ((FLAG) == USART_FLAG_EOB) || ((FLAG) == USART_FLAG_ABRE) || \
+ ((FLAG) == USART_FLAG_ABRF) || ((FLAG) == USART_FLAG_BUSY) || \
+ ((FLAG) == USART_FLAG_CM) || ((FLAG) == USART_FLAG_SBK) || \
+ ((FLAG) == USART_FLAG_RWU) || ((FLAG) == USART_FLAG_WU) || \
+ ((FLAG) == USART_FLAG_TEACK)|| ((FLAG) == USART_FLAG_REACK))
+
+#define IS_USART_CLEAR_FLAG(FLAG) (((FLAG) == USART_FLAG_WU) || ((FLAG) == USART_FLAG_TC) || \
+ ((FLAG) == USART_FLAG_IDLE) || ((FLAG) == USART_FLAG_ORE) || \
+ ((FLAG) == USART_FLAG_NE) || ((FLAG) == USART_FLAG_FE) || \
+ ((FLAG) == USART_FLAG_LBD) || ((FLAG) == USART_FLAG_CTS) || \
+ ((FLAG) == USART_FLAG_RTO) || ((FLAG) == USART_FLAG_EOB) || \
+ ((FLAG) == USART_FLAG_CM) || ((FLAG) == USART_FLAG_PE))
+/**
+ * @}
+ */
+
+/** @defgroup USART_Interrupt_definition
+ * @brief USART Interrupt definition
+ * USART_IT possible values
+ * Elements values convention: 0xZZZZYYXX
+ * XX: Position of the corresponding Interrupt
+ * YY: Register index
+ * ZZZZ: Flag position
+ * @{
+ */
+
+#define USART_IT_WU ((uint32_t)0x00140316) /*!< Not available for STM32F030 devices */
+#define USART_IT_CM ((uint32_t)0x0011010E)
+#define USART_IT_EOB ((uint32_t)0x000C011B) /*!< Not available for STM32F030 devices */
+#define USART_IT_RTO ((uint32_t)0x000B011A)
+#define USART_IT_PE ((uint32_t)0x00000108)
+#define USART_IT_TXE ((uint32_t)0x00070107)
+#define USART_IT_TC ((uint32_t)0x00060106)
+#define USART_IT_RXNE ((uint32_t)0x00050105)
+#define USART_IT_IDLE ((uint32_t)0x00040104)
+#define USART_IT_LBD ((uint32_t)0x00080206) /*!< Not available for STM32F030 devices */
+#define USART_IT_CTS ((uint32_t)0x0009030A)
+#define USART_IT_ERR ((uint32_t)0x00000300)
+#define USART_IT_ORE ((uint32_t)0x00030300)
+#define USART_IT_NE ((uint32_t)0x00020300)
+#define USART_IT_FE ((uint32_t)0x00010300)
+
+#define IS_USART_CONFIG_IT(IT) (((IT) == USART_IT_PE) || ((IT) == USART_IT_TXE) || \
+ ((IT) == USART_IT_TC) || ((IT) == USART_IT_RXNE) || \
+ ((IT) == USART_IT_IDLE) || ((IT) == USART_IT_LBD) || \
+ ((IT) == USART_IT_CTS) || ((IT) == USART_IT_ERR) || \
+ ((IT) == USART_IT_RTO) || ((IT) == USART_IT_EOB) || \
+ ((IT) == USART_IT_CM) || ((IT) == USART_IT_WU))
+
+#define IS_USART_GET_IT(IT) (((IT) == USART_IT_PE) || ((IT) == USART_IT_TXE) || \
+ ((IT) == USART_IT_TC) || ((IT) == USART_IT_RXNE) || \
+ ((IT) == USART_IT_IDLE) || ((IT) == USART_IT_LBD) || \
+ ((IT) == USART_IT_CTS) || ((IT) == USART_IT_ORE) || \
+ ((IT) == USART_IT_NE) || ((IT) == USART_IT_FE) || \
+ ((IT) == USART_IT_RTO) || ((IT) == USART_IT_EOB) || \
+ ((IT) == USART_IT_CM) || ((IT) == USART_IT_WU))
+
+#define IS_USART_CLEAR_IT(IT) (((IT) == USART_IT_TC) || ((IT) == USART_IT_PE) || \
+ ((IT) == USART_IT_FE) || ((IT) == USART_IT_NE) || \
+ ((IT) == USART_IT_ORE) || ((IT) == USART_IT_IDLE) || \
+ ((IT) == USART_IT_LBD) || ((IT) == USART_IT_CTS) || \
+ ((IT) == USART_IT_RTO) || ((IT) == USART_IT_EOB) || \
+ ((IT) == USART_IT_CM) || ((IT) == USART_IT_WU))
+/**
+ * @}
+ */
+
+/** @defgroup USART_Global_definition
+ * @{
+ */
+
+#define IS_USART_BAUDRATE(BAUDRATE) (((BAUDRATE) > 0) && ((BAUDRATE) < 0x005B8D81))
+#define IS_USART_DE_ASSERTION_DEASSERTION_TIME(TIME) ((TIME) <= 0x1F)
+#define IS_USART_AUTO_RETRY_COUNTER(COUNTER) ((COUNTER) <= 0x7)
+#define IS_USART_TIMEOUT(TIMEOUT) ((TIMEOUT) <= 0x00FFFFFF)
+#define IS_USART_DATA(DATA) ((DATA) <= 0x1FF)
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+
+/* Initialization and Configuration functions *********************************/
+void USART_DeInit(USART_TypeDef* USARTx);
+void USART_Init(USART_TypeDef* USARTx, USART_InitTypeDef* USART_InitStruct);
+void USART_StructInit(USART_InitTypeDef* USART_InitStruct);
+void USART_ClockInit(USART_TypeDef* USARTx, USART_ClockInitTypeDef* USART_ClockInitStruct);
+void USART_ClockStructInit(USART_ClockInitTypeDef* USART_ClockInitStruct);
+void USART_Cmd(USART_TypeDef* USARTx, FunctionalState NewState);
+void USART_DirectionModeCmd(USART_TypeDef* USARTx, uint32_t USART_DirectionMode, FunctionalState NewState);
+void USART_SetPrescaler(USART_TypeDef* USARTx, uint8_t USART_Prescaler); /* Not available for STM32F030 devices */
+void USART_OverSampling8Cmd(USART_TypeDef* USARTx, FunctionalState NewState);
+void USART_OneBitMethodCmd(USART_TypeDef* USARTx, FunctionalState NewState);
+void USART_MSBFirstCmd(USART_TypeDef* USARTx, FunctionalState NewState);
+void USART_DataInvCmd(USART_TypeDef* USARTx, FunctionalState NewState);
+void USART_InvPinCmd(USART_TypeDef* USARTx, uint32_t USART_InvPin, FunctionalState NewState);
+void USART_SWAPPinCmd(USART_TypeDef* USARTx, FunctionalState NewState);
+void USART_ReceiverTimeOutCmd(USART_TypeDef* USARTx, FunctionalState NewState);
+void USART_SetReceiverTimeOut(USART_TypeDef* USARTx, uint32_t USART_ReceiverTimeOut);
+
+/* STOP Mode functions ********************************************************/
+void USART_STOPModeCmd(USART_TypeDef* USARTx, FunctionalState NewState);
+void USART_StopModeWakeUpSourceConfig(USART_TypeDef* USARTx, uint32_t USART_WakeUpSource); /* Not available for STM32F030 devices */
+
+/* AutoBaudRate functions *****************************************************/
+void USART_AutoBaudRateCmd(USART_TypeDef* USARTx, FunctionalState NewState);
+void USART_AutoBaudRateConfig(USART_TypeDef* USARTx, uint32_t USART_AutoBaudRate);
+
+/* Data transfers functions ***************************************************/
+void USART_SendData(USART_TypeDef* USARTx, uint16_t Data);
+uint16_t USART_ReceiveData(USART_TypeDef* USARTx);
+
+/* Multi-Processor Communication functions ************************************/
+void USART_SetAddress(USART_TypeDef* USARTx, uint8_t USART_Address);
+void USART_MuteModeWakeUpConfig(USART_TypeDef* USARTx, uint32_t USART_WakeUp);
+void USART_MuteModeCmd(USART_TypeDef* USARTx, FunctionalState NewState);
+void USART_AddressDetectionConfig(USART_TypeDef* USARTx, uint32_t USART_AddressLength);
+
+/* LIN mode functions *********************************************************/
+void USART_LINBreakDetectLengthConfig(USART_TypeDef* USARTx, uint32_t USART_LINBreakDetectLength); /* Not available for STM32F030 devices */
+void USART_LINCmd(USART_TypeDef* USARTx, FunctionalState NewState); /* Not available for STM32F030 devices */
+
+/* Half-duplex mode function **************************************************/
+void USART_HalfDuplexCmd(USART_TypeDef* USARTx, FunctionalState NewState);
+
+/* Smartcard mode functions ***************************************************/
+void USART_SmartCardCmd(USART_TypeDef* USARTx, FunctionalState NewState); /* Not available for STM32F030 devices */
+void USART_SmartCardNACKCmd(USART_TypeDef* USARTx, FunctionalState NewState); /* Not available for STM32F030 devices */
+void USART_SetGuardTime(USART_TypeDef* USARTx, uint8_t USART_GuardTime); /* Not available for STM32F030 devices */
+void USART_SetAutoRetryCount(USART_TypeDef* USARTx, uint8_t USART_AutoCount); /* Not available for STM32F030 devices */
+void USART_SetBlockLength(USART_TypeDef* USARTx, uint8_t USART_BlockLength); /* Not available for STM32F030 devices */
+
+/* IrDA mode functions ********************************************************/
+void USART_IrDAConfig(USART_TypeDef* USARTx, uint32_t USART_IrDAMode); /* Not available for STM32F030 devices */
+void USART_IrDACmd(USART_TypeDef* USARTx, FunctionalState NewState); /* Not available for STM32F030 devices */
+
+/* RS485 mode functions *******************************************************/
+void USART_DECmd(USART_TypeDef* USARTx, FunctionalState NewState);
+void USART_DEPolarityConfig(USART_TypeDef* USARTx, uint32_t USART_DEPolarity);
+void USART_SetDEAssertionTime(USART_TypeDef* USARTx, uint32_t USART_DEAssertionTime);
+void USART_SetDEDeassertionTime(USART_TypeDef* USARTx, uint32_t USART_DEDeassertionTime);
+
+/* DMA transfers management functions *****************************************/
+void USART_DMACmd(USART_TypeDef* USARTx, uint32_t USART_DMAReq, FunctionalState NewState);
+void USART_DMAReceptionErrorConfig(USART_TypeDef* USARTx, uint32_t USART_DMAOnError);
+
+/* Interrupts and flags management functions **********************************/
+void USART_ITConfig(USART_TypeDef* USARTx, uint32_t USART_IT, FunctionalState NewState);
+void USART_RequestCmd(USART_TypeDef* USARTx, uint32_t USART_Request, FunctionalState NewState);
+void USART_OverrunDetectionConfig(USART_TypeDef* USARTx, uint32_t USART_OVRDetection);
+FlagStatus USART_GetFlagStatus(USART_TypeDef* USARTx, uint32_t USART_FLAG);
+void USART_ClearFlag(USART_TypeDef* USARTx, uint32_t USART_FLAG);
+ITStatus USART_GetITStatus(USART_TypeDef* USARTx, uint32_t USART_IT);
+void USART_ClearITPendingBit(USART_TypeDef* USARTx, uint32_t USART_IT);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F0XX_USART_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_wwdg.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_wwdg.h
new file mode 100644
index 00000000..435fcb27
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/inc/stm32f0xx_wwdg.h
@@ -0,0 +1,109 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_wwdg.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the WWDG
+ * firmware library.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_WWDG_H
+#define __STM32F0XX_WWDG_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup WWDG
+ * @{
+ */
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup WWDG_Exported_Constants
+ * @{
+ */
+
+/** @defgroup WWDG_Prescaler
+ * @{
+ */
+
+#define WWDG_Prescaler_1 ((uint32_t)0x00000000)
+#define WWDG_Prescaler_2 ((uint32_t)0x00000080)
+#define WWDG_Prescaler_4 ((uint32_t)0x00000100)
+#define WWDG_Prescaler_8 ((uint32_t)0x00000180)
+#define IS_WWDG_PRESCALER(PRESCALER) (((PRESCALER) == WWDG_Prescaler_1) || \
+ ((PRESCALER) == WWDG_Prescaler_2) || \
+ ((PRESCALER) == WWDG_Prescaler_4) || \
+ ((PRESCALER) == WWDG_Prescaler_8))
+#define IS_WWDG_WINDOW_VALUE(VALUE) ((VALUE) <= 0x7F)
+#define IS_WWDG_COUNTER(COUNTER) (((COUNTER) >= 0x40) && ((COUNTER) <= 0x7F))
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+/* Function used to set the WWDG configuration to the default reset state ****/
+void WWDG_DeInit(void);
+
+/* Prescaler, Refresh window and Counter configuration functions **************/
+void WWDG_SetPrescaler(uint32_t WWDG_Prescaler);
+void WWDG_SetWindowValue(uint8_t WindowValue);
+void WWDG_EnableIT(void);
+void WWDG_SetCounter(uint8_t Counter);
+
+/* WWDG activation functions **************************************************/
+void WWDG_Enable(uint8_t Counter);
+
+/* Interrupts and flags management functions **********************************/
+FlagStatus WWDG_GetFlagStatus(void);
+void WWDG_ClearFlag(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F0XX_WWDG_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_adc.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_adc.c
new file mode 100644
index 00000000..e0f13358
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_adc.c
@@ -0,0 +1,1240 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_adc.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the Analog to Digital Convertor (ADC) peripheral:
+ * + Initialization and Configuration
+ * + Power saving
+ * + Analog Watchdog configuration
+ * + Temperature Sensor, Vrefint (Internal Reference Voltage) and
+ * Vbat (Voltage battery) management
+ * + ADC Channels Configuration
+ * + ADC Channels DMA Configuration
+ * + Interrupts and flags management
+ *
+ * @verbatim
+================================================================================
+ ##### How to use this driver #####
+================================================================================
+ [..]
+ (#) Enable the ADC interface clock using
+ RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
+ (#) ADC pins configuration
+ (++) Enable the clock for the ADC GPIOs using the following function:
+ RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOx, ENABLE);
+ (++) Configure these ADC pins in analog mode using GPIO_Init();
+ (#) Configure the ADC conversion resolution, data alignment, external
+ trigger and edge, scan direction and Enable/Disable the continuous mode
+ using the ADC_Init() function.
+ (#) Activate the ADC peripheral using ADC_Cmd() function.
+
+ *** ADC channels group configuration ***
+ ============================================
+ [..]
+ (+) To configure the ADC channels features, use ADC_Init() and
+ ADC_ChannelConfig() functions.
+ (+) To activate the continuous mode, use the ADC_ContinuousModeCmd()
+ function.
+ (+) To activate the Discontinuous mode, use the ADC_DiscModeCmd() functions.
+ (+) To activate the overrun mode, use the ADC_OverrunModeCmd() functions.
+ (+) To activate the calibration mode, use the ADC_GetCalibrationFactor() functions.
+ (+) To read the ADC converted values, use the ADC_GetConversionValue()
+ function.
+
+ *** DMA for ADC channels features configuration ***
+ =============================================================
+ [..]
+ (+) To enable the DMA mode for ADC channels group, use the ADC_DMACmd() function.
+ (+) To configure the DMA transfer request, use ADC_DMARequestModeConfig() function.
+
+ * @endverbatim
+ *
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_adc.h"
+#include "stm32f0xx_rcc.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup ADC
+ * @brief ADC driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* ADC CFGR mask */
+#define CFGR1_CLEAR_MASK ((uint32_t)0xFFFFD203)
+
+/* Calibration time out */
+#define CALIBRATION_TIMEOUT ((uint32_t)0x0000F000)
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup ADC_Private_Functions
+ * @{
+ */
+
+/** @defgroup ADC_Group1 Initialization and Configuration functions
+ * @brief Initialization and Configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Initialization and Configuration functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to:
+ (+) Initialize and configure the ADC Prescaler
+ (+) ADC Conversion Resolution (12bit..6bit)
+ (+) ADC Continuous Conversion Mode (Continuous or Single conversion)
+ (+) External trigger Edge and source
+ (+) Converted data alignment (left or right)
+ (+) The direction in which the channels will be scanned in the sequence
+ (+) Enable or disable the ADC peripheral
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Deinitializes ADC1 peripheral registers to their default reset values.
+ * @param ADCx: where x can be 1 to select the ADC peripheral.
+ * @retval None
+ */
+void ADC_DeInit(ADC_TypeDef* ADCx)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+
+ if(ADCx == ADC1)
+ {
+ /* Enable ADC1 reset state */
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_ADC1, ENABLE);
+
+ /* Release ADC1 from reset state */
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_ADC1, DISABLE);
+ }
+}
+
+/**
+ * @brief Initializes the ADCx peripheral according to the specified parameters
+ * in the ADC_InitStruct.
+ * @note This function is used to configure the global features of the ADC (
+ * Resolution, Data Alignment, continuous mode activation, External
+ * trigger source and edge, Sequence Scan Direction).
+ * @param ADCx: where x can be 1 to select the ADC peripheral.
+ * @param ADC_InitStruct: pointer to an ADC_InitTypeDef structure that contains
+ * the configuration information for the specified ADC peripheral.
+ * @retval None
+ */
+void ADC_Init(ADC_TypeDef* ADCx, ADC_InitTypeDef* ADC_InitStruct)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_ADC_RESOLUTION(ADC_InitStruct->ADC_Resolution));
+ assert_param(IS_FUNCTIONAL_STATE(ADC_InitStruct->ADC_ContinuousConvMode));
+ assert_param(IS_ADC_EXT_TRIG_EDGE(ADC_InitStruct->ADC_ExternalTrigConvEdge));
+ assert_param(IS_ADC_EXTERNAL_TRIG_CONV(ADC_InitStruct->ADC_ExternalTrigConv));
+ assert_param(IS_ADC_DATA_ALIGN(ADC_InitStruct->ADC_DataAlign));
+ assert_param(IS_ADC_SCAN_DIRECTION(ADC_InitStruct->ADC_ScanDirection));
+
+ /* Get the ADCx CFGR value */
+ tmpreg = ADCx->CFGR1;
+
+ /* Clear SCANDIR, RES[1:0], ALIGN, EXTSEL[2:0], EXTEN[1:0] and CONT bits */
+ tmpreg &= CFGR1_CLEAR_MASK;
+
+ /*---------------------------- ADCx CFGR Configuration ---------------------*/
+
+ /* Set RES[1:0] bits according to ADC_Resolution value */
+ /* Set CONT bit according to ADC_ContinuousConvMode value */
+ /* Set EXTEN[1:0] bits according to ADC_ExternalTrigConvEdge value */
+ /* Set EXTSEL[2:0] bits according to ADC_ExternalTrigConv value */
+ /* Set ALIGN bit according to ADC_DataAlign value */
+ /* Set SCANDIR bit according to ADC_ScanDirection value */
+
+ tmpreg |= (uint32_t)(ADC_InitStruct->ADC_Resolution | ((uint32_t)(ADC_InitStruct->ADC_ContinuousConvMode) << 13) |
+ ADC_InitStruct->ADC_ExternalTrigConvEdge | ADC_InitStruct->ADC_ExternalTrigConv |
+ ADC_InitStruct->ADC_DataAlign | ADC_InitStruct->ADC_ScanDirection);
+
+ /* Write to ADCx CFGR */
+ ADCx->CFGR1 = tmpreg;
+}
+
+/**
+ * @brief Fills each ADC_InitStruct member with its default value.
+ * @note This function is used to initialize the global features of the ADC (
+ * Resolution, Data Alignment, continuous mode activation, External
+ * trigger source and edge, Sequence Scan Direction).
+ * @param ADC_InitStruct: pointer to an ADC_InitTypeDef structure which will
+ * be initialized.
+ * @retval None
+ */
+void ADC_StructInit(ADC_InitTypeDef* ADC_InitStruct)
+{
+ /* Reset ADC init structure parameters values */
+ /* Initialize the ADC_Resolution member */
+ ADC_InitStruct->ADC_Resolution = ADC_Resolution_12b;
+
+ /* Initialize the ADC_ContinuousConvMode member */
+ ADC_InitStruct->ADC_ContinuousConvMode = DISABLE;
+
+ /* Initialize the ADC_ExternalTrigConvEdge member */
+ ADC_InitStruct->ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
+
+ /* Initialize the ADC_ExternalTrigConv member */
+ ADC_InitStruct->ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_TRGO;
+
+ /* Initialize the ADC_DataAlign member */
+ ADC_InitStruct->ADC_DataAlign = ADC_DataAlign_Right;
+
+ /* Initialize the ADC_ScanDirection member */
+ ADC_InitStruct->ADC_ScanDirection = ADC_ScanDirection_Upward;
+}
+
+/**
+ * @brief Enables or disables the specified ADC peripheral.
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @param NewState: new state of the ADCx peripheral.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void ADC_Cmd(ADC_TypeDef* ADCx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Set the ADEN bit to Enable the ADC peripheral */
+ ADCx->CR |= (uint32_t)ADC_CR_ADEN;
+ }
+ else
+ {
+ /* Set the ADDIS to Disable the ADC peripheral */
+ ADCx->CR |= (uint32_t)ADC_CR_ADDIS;
+ }
+}
+
+/**
+ * @brief Configure the ADC to either be clocked by the asynchronous clock(which is
+ * independent, the dedicated 14MHz clock) or the synchronous clock derived from
+ * the APB clock of the ADC bus interface divided by 2 or 4
+ * @note This function can be called only when ADC is disabled.
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @param ADC_ClockMode: This parameter can be :
+ * @arg ADC_ClockMode_AsynClk: ADC clocked by the dedicated 14MHz clock
+ * @arg ADC_ClockMode_SynClkDiv2: ADC clocked by PCLK/2
+ * @arg ADC_ClockMode_SynClkDiv4: ADC clocked by PCLK/4
+ * @retval None
+ */
+void ADC_ClockModeConfig(ADC_TypeDef* ADCx, uint32_t ADC_ClockMode)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_ADC_CLOCKMODE(ADC_ClockMode));
+
+ /* Configure the ADC Clock mode according to ADC_ClockMode */
+ ADCx->CFGR2 = (uint32_t)ADC_ClockMode;
+
+}
+
+/**
+ * @brief Enables or disables the jitter when the ADC is clocked by PCLK div2
+ * or div4
+ * @note This function is obsolete and maintained for legacy purpose only. ADC_ClockModeConfig()
+ * function should be used instead.
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @param ADC_JitterOff: This parameter can be :
+ * @arg ADC_JitterOff_PCLKDiv2: Remove jitter when ADC is clocked by PLCK divided by 2
+ * @arg ADC_JitterOff_PCLKDiv4: Remove jitter when ADC is clocked by PLCK divided by 4
+ * @param NewState: new state of the ADCx jitter.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void ADC_JitterCmd(ADC_TypeDef* ADCx, uint32_t ADC_JitterOff, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_ADC_JITTEROFF(ADC_JitterOff));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Disable Jitter */
+ ADCx->CFGR2 |= (uint32_t)ADC_JitterOff;
+ }
+ else
+ {
+ /* Enable Jitter */
+ ADCx->CFGR2 &= (uint32_t)(~ADC_JitterOff);
+ }
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup ADC_Group2 Power saving functions
+ * @brief Power saving functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Power saving functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to reduce power consumption.
+ [..] The two function must be combined to get the maximal benefits:
+ When the ADC frequency is higher than the CPU one, it is recommended to
+ (#) Enable the Auto Delayed Conversion mode :
+ ==> using ADC_WaitModeCmd(ADC_TypeDef* ADCx, FunctionalState NewState);
+ (#) Enable the power off in Delay phases :
+ ==> using ADC_AutoPowerOffCmd(ADC_TypeDef* ADCx, FunctionalState NewState);
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the ADC Power Off.
+ * @note ADC power-on and power-off can be managed by hardware to cut the
+ * consumption when the ADC is not converting.
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @note The ADC can be powered down:
+ * - During the Auto delay phase: The ADC is powered on again at the end
+ * of the delay (until the previous data is read from the ADC data register).
+ * - During the ADC is waiting for a trigger event: The ADC is powered up
+ * at the next trigger event (when the conversion is started).
+ * @param NewState: new state of the ADCx power Off.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void ADC_AutoPowerOffCmd(ADC_TypeDef* ADCx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the ADC Automatic Power-Off */
+ ADCx->CFGR1 |= ADC_CFGR1_AUTOFF;
+ }
+ else
+ {
+ /* Disable the ADC Automatic Power-Off */
+ ADCx->CFGR1 &= (uint32_t)~ADC_CFGR1_AUTOFF;
+ }
+}
+
+/**
+ * @brief Enables or disables the Wait conversion mode.
+ * @note When the CPU clock is not fast enough to manage the data rate, a
+ * Hardware delay can be introduced between ADC conversions to reduce
+ * this data rate.
+ * @note The Hardware delay is inserted after each conversions and until the
+ * previous data is read from the ADC data register
+ * @note This is a way to automatically adapt the speed of the ADC to the speed
+ * of the system which will read the data.
+ * @note Any hardware triggers wich occur while a conversion is on going or
+ * while the automatic Delay is applied are ignored
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @param NewState: new state of the ADCx Auto-Delay.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void ADC_WaitModeCmd(ADC_TypeDef* ADCx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the ADC Automatic Delayed conversion */
+ ADCx->CFGR1 |= ADC_CFGR1_WAIT;
+ }
+ else
+ {
+ /* Disable the ADC Automatic Delayed conversion */
+ ADCx->CFGR1 &= (uint32_t)~ADC_CFGR1_WAIT;
+ }
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup ADC_Group3 Analog Watchdog configuration functions
+ * @brief Analog Watchdog configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Analog Watchdog configuration functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to configure the Analog Watchdog
+ (AWD) feature in the ADC.
+ [..] A typical configuration Analog Watchdog is done following these steps :
+ (#) the ADC guarded channel(s) is (are) selected using the
+ ADC_AnalogWatchdogSingleChannelConfig() function.
+ (#) The Analog watchdog lower and higher threshold are configured using the
+ ADC_AnalogWatchdogThresholdsConfig() function.
+ (#) The Analog watchdog is enabled and configured to enable the check, on one
+ or more channels, using the ADC_AnalogWatchdogCmd() function.
+ (#) Enable the analog watchdog on the selected channel using
+ ADC_AnalogWatchdogSingleChannelCmd() function
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the analog watchdog
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @param NewState: new state of the ADCx Analog Watchdog.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void ADC_AnalogWatchdogCmd(ADC_TypeDef* ADCx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the ADC Analog Watchdog */
+ ADCx->CFGR1 |= ADC_CFGR1_AWDEN;
+ }
+ else
+ {
+ /* Disable the ADC Analog Watchdog */
+ ADCx->CFGR1 &= (uint32_t)~ADC_CFGR1_AWDEN;
+ }
+}
+
+/**
+ * @brief Configures the high and low thresholds of the analog watchdog.
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @param HighThreshold: the ADC analog watchdog High threshold value.
+ * This parameter must be a 12bit value.
+ * @param LowThreshold: the ADC analog watchdog Low threshold value.
+ * This parameter must be a 12bit value.
+ * @retval None
+ */
+void ADC_AnalogWatchdogThresholdsConfig(ADC_TypeDef* ADCx, uint16_t HighThreshold,
+ uint16_t LowThreshold)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_ADC_THRESHOLD(HighThreshold));
+ assert_param(IS_ADC_THRESHOLD(LowThreshold));
+
+ /* Set the ADCx high and low threshold */
+ ADCx->TR = LowThreshold | ((uint32_t)HighThreshold << 16);
+
+}
+
+/**
+ * @brief Configures the analog watchdog guarded single channel
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @param ADC_AnalogWatchdog_Channel: the ADC channel to configure for the analog watchdog.
+ * This parameter can be one of the following values:
+ * @arg ADC_AnalogWatchdog_Channel_0: ADC Channel0 selected
+ * @arg ADC_AnalogWatchdog_Channel_1: ADC Channel1 selected
+ * @arg ADC_AnalogWatchdog_Channel_2: ADC Channel2 selected
+ * @arg ADC_AnalogWatchdog_Channel_3: ADC Channel3 selected
+ * @arg ADC_AnalogWatchdog_Channel_4: ADC Channel4 selected
+ * @arg ADC_AnalogWatchdog_Channel_5: ADC Channel5 selected
+ * @arg ADC_AnalogWatchdog_Channel_6: ADC Channel6 selected
+ * @arg ADC_AnalogWatchdog_Channel_7: ADC Channel7 selected
+ * @arg ADC_AnalogWatchdog_Channel_8: ADC Channel8 selected
+ * @arg ADC_AnalogWatchdog_Channel_9: ADC Channel9 selected
+ * @arg ADC_AnalogWatchdog_Channel_10: ADC Channel10 selected, not available for STM32F031 devices
+ * @arg ADC_AnalogWatchdog_Channel_11: ADC Channel11 selected, not available for STM32F031 devices
+ * @arg ADC_AnalogWatchdog_Channel_12: ADC Channel12 selected, not available for STM32F031 devices
+ * @arg ADC_AnalogWatchdog_Channel_13: ADC Channel13 selected, not available for STM32F031 devices
+ * @arg ADC_AnalogWatchdog_Channel_14: ADC Channel14 selected, not available for STM32F031 devices
+ * @arg ADC_AnalogWatchdog_Channel_15: ADC Channel15 selected, not available for STM32F031 devices
+ * @arg ADC_AnalogWatchdog_Channel_16: ADC Channel16 selected
+ * @arg ADC_AnalogWatchdog_Channel_17: ADC Channel17 selected
+ * @arg ADC_AnalogWatchdog_Channel_18: ADC Channel18 selected, not available for STM32F030 devices
+ * @note The channel selected on the AWDCH must be also set into the CHSELR
+ * register
+ * @retval None
+ */
+void ADC_AnalogWatchdogSingleChannelConfig(ADC_TypeDef* ADCx, uint32_t ADC_AnalogWatchdog_Channel)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_ADC_ANALOG_WATCHDOG_CHANNEL(ADC_AnalogWatchdog_Channel));
+
+ /* Get the old register value */
+ tmpreg = ADCx->CFGR1;
+
+ /* Clear the Analog watchdog channel select bits */
+ tmpreg &= ~ADC_CFGR1_AWDCH;
+
+ /* Set the Analog watchdog channel */
+ tmpreg |= ADC_AnalogWatchdog_Channel;
+
+ /* Store the new register value */
+ ADCx->CFGR1 = tmpreg;
+}
+
+/**
+ * @brief Enables or disables the ADC Analog Watchdog Single Channel.
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @param NewState: new state of the ADCx ADC Analog Watchdog Single Channel.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void ADC_AnalogWatchdogSingleChannelCmd(ADC_TypeDef* ADCx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the ADC Analog Watchdog Single Channel */
+ ADCx->CFGR1 |= ADC_CFGR1_AWDSGL;
+ }
+ else
+ {
+ /* Disable the ADC Analog Watchdog Single Channel */
+ ADCx->CFGR1 &= (uint32_t)~ADC_CFGR1_AWDSGL;
+ }
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup ADC_Group4 Temperature Sensor, Vrefint and Vbat management functions
+ * @brief Temperature Sensor, Vrefint and Vbat management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Temperature Sensor, Vrefint and Vbat management function #####
+ ===============================================================================
+ [..] This section provides a function allowing to enable/disable the internal
+ connections between the ADC and the Temperature Sensor, the Vrefint and
+ Vbat source.
+
+ [..] A typical configuration to get the Temperature sensor, Vrefint and Vbat channels
+ voltages is done following these steps :
+ (#) Enable the internal connection of Temperature sensor, Vrefint or Vbat sources
+ with the ADC channels using ADC_TempSensorCmd(), ADC_VrefintCmd() or ADC_VbatCmd()
+ functions.
+ (#) select the ADC_Channel_16(Temperature sensor), ADC_Channel_17(Vrefint)
+ or ADC_Channel_18(Voltage battery) using ADC_ChannelConfig() function
+ (#) Get the voltage values, using ADC_GetConversionValue() function
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the temperature sensor channel.
+ * @param NewState: new state of the temperature sensor input channel.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void ADC_TempSensorCmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the temperature sensor channel*/
+ ADC->CCR |= (uint32_t)ADC_CCR_TSEN;
+ }
+ else
+ {
+ /* Disable the temperature sensor channel*/
+ ADC->CCR &= (uint32_t)(~ADC_CCR_TSEN);
+ }
+}
+
+/**
+ * @brief Enables or disables the Vrefint channel.
+ * @param NewState: new state of the Vref input channel.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void ADC_VrefintCmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the Vrefint channel*/
+ ADC->CCR |= (uint32_t)ADC_CCR_VREFEN;
+ }
+ else
+ {
+ /* Disable the Vrefint channel*/
+ ADC->CCR &= (uint32_t)(~ADC_CCR_VREFEN);
+ }
+}
+
+/**
+ * @brief Enables or disables the Vbat channel.
+ * @note This feature is not applicable for STM32F030 devices.
+ * @param NewState: new state of the Vbat input channel.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void ADC_VbatCmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the Vbat channel*/
+ ADC->CCR |= (uint32_t)ADC_CCR_VBATEN;
+ }
+ else
+ {
+ /* Disable the Vbat channel*/
+ ADC->CCR &= (uint32_t)(~ADC_CCR_VBATEN);
+ }
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup ADC_Group5 Channels Configuration functions
+ * @brief Channels Configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Channels Configuration functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to manage the ADC channels,
+ it is composed of 3 sub sections :
+ (#) Configuration and management functions for ADC channels: This subsection
+ provides functions allowing to configure the ADC channels :
+ (++) Select the ADC channels
+ (++) Activate ADC Calibration
+ (++) Activate the Overrun Mode.
+ (++) Activate the Discontinuous Mode
+ (++) Activate the Continuous Mode.
+ (++) Configure the sampling time for each channel
+ (++) Select the conversion Trigger and Edge for ADC channels
+ (++) Select the scan direction.
+ -@@- Please Note that the following features for ADC channels are configurated
+ using the ADC_Init() function :
+ (+@@) Activate the Continuous Mode (can be also activated by ADC_OverrunModeCmd().
+ (+@@) Select the conversion Trigger and Edge for ADC channels
+ (+@@) Select the scan direction.
+ (#) Control the ADC peripheral : This subsection permits to command the ADC:
+ (++) Stop or discard an on-going conversion (ADSTP command)
+ (++) Start the ADC conversion .
+ (#) Get the conversion data: This subsection provides an important function in
+ the ADC peripheral since it returns the converted data of the current
+ ADC channel. When the Conversion value is read, the EOC Flag is
+ automatically cleared.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Configures for the selected ADC and its sampling time.
+ * @param ADCx: where x can be 1 to select the ADC peripheral.
+ * @param ADC_Channel: the ADC channel to configure.
+ * This parameter can be any combination of the following values:
+ * @arg ADC_Channel_0: ADC Channel0 selected
+ * @arg ADC_Channel_1: ADC Channel1 selected
+ * @arg ADC_Channel_2: ADC Channel2 selected
+ * @arg ADC_Channel_3: ADC Channel3 selected
+ * @arg ADC_Channel_4: ADC Channel4 selected
+ * @arg ADC_Channel_5: ADC Channel5 selected
+ * @arg ADC_Channel_6: ADC Channel6 selected
+ * @arg ADC_Channel_7: ADC Channel7 selected
+ * @arg ADC_Channel_8: ADC Channel8 selected
+ * @arg ADC_Channel_9: ADC Channel9 selected
+ * @arg ADC_Channel_10: ADC Channel10 selected, not available for STM32F031 devices
+ * @arg ADC_Channel_11: ADC Channel11 selected, not available for STM32F031 devices
+ * @arg ADC_Channel_12: ADC Channel12 selected, not available for STM32F031 devices
+ * @arg ADC_Channel_13: ADC Channel13 selected, not available for STM32F031 devices
+ * @arg ADC_Channel_14: ADC Channel14 selected, not available for STM32F031 devices
+ * @arg ADC_Channel_15: ADC Channel15 selected, not available for STM32F031 devices
+ * @arg ADC_Channel_16: ADC Channel16 selected
+ * @arg ADC_Channel_17: ADC Channel17 selected
+ * @arg ADC_Channel_18: ADC Channel18 selected, not available for STM32F030 devices
+ * @param ADC_SampleTime: The sample time value to be set for the selected channel.
+ * This parameter can be one of the following values:
+ * @arg ADC_SampleTime_1_5Cycles: Sample time equal to 1.5 cycles
+ * @arg ADC_SampleTime_7_5Cycles: Sample time equal to 7.5 cycles
+ * @arg ADC_SampleTime_13_5Cycles: Sample time equal to 13.5 cycles
+ * @arg ADC_SampleTime_28_5Cycles: Sample time equal to 28.5 cycles
+ * @arg ADC_SampleTime_41_5Cycles: Sample time equal to 41.5 cycles
+ * @arg ADC_SampleTime_55_5Cycles: Sample time equal to 55.5 cycles
+ * @arg ADC_SampleTime_71_5Cycles: Sample time equal to 71.5 cycles
+ * @arg ADC_SampleTime_239_5Cycles: Sample time equal to 239.5 cycles
+ * @retval None
+ */
+void ADC_ChannelConfig(ADC_TypeDef* ADCx, uint32_t ADC_Channel, uint32_t ADC_SampleTime)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_ADC_CHANNEL(ADC_Channel));
+ assert_param(IS_ADC_SAMPLE_TIME(ADC_SampleTime));
+
+ /* Configure the ADC Channel */
+ ADCx->CHSELR |= (uint32_t)ADC_Channel;
+
+ /* Clear the Sampling time Selection bits */
+ tmpreg &= ~ADC_SMPR1_SMPR;
+
+ /* Set the ADC Sampling Time register */
+ tmpreg |= (uint32_t)ADC_SampleTime;
+
+ /* Configure the ADC Sample time register */
+ ADCx->SMPR = tmpreg ;
+}
+
+/**
+ * @brief Enable the Continuous mode for the selected ADCx channels.
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @param NewState: new state of the Continuous mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @note It is not possible to have both discontinuous mode and continuous mode
+ * enabled. In this case (If DISCEN and CONT are Set), the ADC behaves
+ * as if continuous mode was disabled
+ * @retval None
+ */
+void ADC_ContinuousModeCmd(ADC_TypeDef* ADCx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the Continuous mode*/
+ ADCx->CFGR1 |= (uint32_t)ADC_CFGR1_CONT;
+ }
+ else
+ {
+ /* Disable the Continuous mode */
+ ADCx->CFGR1 &= (uint32_t)(~ADC_CFGR1_CONT);
+ }
+}
+
+/**
+ * @brief Enable the discontinuous mode for the selected ADC channels.
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @param NewState: new state of the discontinuous mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @note It is not possible to have both discontinuous mode and continuous mode
+ * enabled. In this case (If DISCEN and CONT are Set), the ADC behaves
+ * as if continuous mode was disabled
+ * @retval None
+ */
+void ADC_DiscModeCmd(ADC_TypeDef* ADCx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the Discontinuous mode */
+ ADCx->CFGR1 |= (uint32_t)ADC_CFGR1_DISCEN;
+ }
+ else
+ {
+ /* Disable the Discontinuous mode */
+ ADCx->CFGR1 &= (uint32_t)(~ADC_CFGR1_DISCEN);
+ }
+}
+
+/**
+ * @brief Enable the Overrun mode for the selected ADC channels.
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @param NewState: new state of the Overrun mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void ADC_OverrunModeCmd(ADC_TypeDef* ADCx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the Overrun mode */
+ ADCx->CFGR1 |= (uint32_t)ADC_CFGR1_OVRMOD;
+ }
+ else
+ {
+ /* Disable the Overrun mode */
+ ADCx->CFGR1 &= (uint32_t)(~ADC_CFGR1_OVRMOD);
+ }
+}
+
+/**
+ * @brief Active the Calibration operation for the selected ADC.
+ * @note The Calibration can be initiated only when ADC is still in the
+ * reset configuration (ADEN must be equal to 0).
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @retval ADC Calibration factor
+ */
+uint32_t ADC_GetCalibrationFactor(ADC_TypeDef* ADCx)
+{
+ uint32_t tmpreg = 0, calibrationcounter = 0, calibrationstatus = 0;
+
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+
+ /* Set the ADC calibartion */
+ ADCx->CR |= (uint32_t)ADC_CR_ADCAL;
+
+ /* Wait until no ADC calibration is completed */
+ do
+ {
+ calibrationstatus = ADCx->CR & ADC_CR_ADCAL;
+ calibrationcounter++;
+ } while((calibrationcounter != CALIBRATION_TIMEOUT) && (calibrationstatus != 0x00));
+
+ if((uint32_t)(ADCx->CR & ADC_CR_ADCAL) == RESET)
+ {
+ /*Get the calibration factor from the ADC data register */
+ tmpreg = ADCx->DR;
+ }
+ else
+ {
+ /* Error factor */
+ tmpreg = 0x00000000;
+ }
+ return tmpreg;
+}
+
+/**
+ * @brief Stop the on going conversions for the selected ADC.
+ * @note When ADSTP is set, any on going conversion is aborted, and the ADC
+ * data register is not updated with current conversion.
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @retval None
+ */
+void ADC_StopOfConversion(ADC_TypeDef* ADCx)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+
+ ADCx->CR |= (uint32_t)ADC_CR_ADSTP;
+}
+
+/**
+ * @brief Start Conversion for the selected ADC channels.
+ * @note In continuous mode, ADSTART is not cleared by hardware with the
+ * assertion of EOSEQ because the sequence is automatic relaunched
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @retval None
+ */
+void ADC_StartOfConversion(ADC_TypeDef* ADCx)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+
+ ADCx->CR |= (uint32_t)ADC_CR_ADSTART;
+}
+
+/**
+ * @brief Returns the last ADCx conversion result data for ADC channel.
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @retval The Data conversion value.
+ */
+uint16_t ADC_GetConversionValue(ADC_TypeDef* ADCx)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+
+ /* Return the selected ADC conversion value */
+ return (uint16_t) ADCx->DR;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup ADC_Group6 DMA Configuration functions
+ * @brief Regular Channels DMA Configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### DMA Configuration functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to configure the DMA for ADC hannels.
+ Since converted channel values are stored into a unique data register,
+ it is useful to use DMA for conversion of more than one channel. This
+ avoids the loss of the data already stored in the ADC Data register.
+ When the DMA mode is enabled (using the ADC_DMACmd() function), after each
+ conversion of a channel, a DMA request is generated.
+
+ [..] Depending on the "DMA disable selection" configuration (using the
+ ADC_DMARequestModeConfig() function), at the end of the last DMA
+ transfer, two possibilities are allowed:
+ (+) No new DMA request is issued to the DMA controller (One Shot Mode)
+ (+) Requests can continue to be generated (Circular Mode).
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the specified ADC DMA request.
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @param NewState: new state of the selected ADC DMA transfer.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void ADC_DMACmd(ADC_TypeDef* ADCx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected ADC DMA request */
+ ADCx->CFGR1 |= (uint32_t)ADC_CFGR1_DMAEN;
+ }
+ else
+ {
+ /* Disable the selected ADC DMA request */
+ ADCx->CFGR1 &= (uint32_t)(~ADC_CFGR1_DMAEN);
+ }
+}
+
+/**
+ * @brief Enables or disables the ADC DMA request after last transfer (Single-ADC mode)
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @param ADC_DMARequestMode: the ADC channel to configure.
+ * This parameter can be one of the following values:
+ * @arg ADC_DMAMode_OneShot: DMA One Shot Mode
+ * @arg ADC_DMAMode_Circular: DMA Circular Mode
+ * @retval None
+ */
+void ADC_DMARequestModeConfig(ADC_TypeDef* ADCx, uint32_t ADC_DMARequestMode)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+
+ ADCx->CFGR1 &= (uint32_t)~ADC_CFGR1_DMACFG;
+ ADCx->CFGR1 |= (uint32_t)ADC_DMARequestMode;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup ADC_Group7 Interrupts and flags management functions
+ * @brief Interrupts and flags management functions.
+ *
+@verbatim
+ ===============================================================================
+ ##### Interrupts and flags management functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to configure the ADC Interrupts
+ and get the status and clear flags and Interrupts pending bits.
+
+ [..] The ADC provide 6 Interrupts sources and 11 Flags which can be divided into
+ 3 groups:
+
+ *** Flags for ADC status ***
+ ======================================================
+ [..]
+ (+)Flags :
+ (##) ADC_FLAG_ADRDY : This flag is set after the ADC has been enabled (bit ADEN=1)
+ and when the ADC reaches a state where it is ready to accept conversion requests
+ (##) ADC_FLAG_ADEN : This flag is set by software to enable the ADC.
+ The ADC will be effectively ready to operate once the ADRDY flag has been set.
+ (##) ADC_FLAG_ADDIS : This flag is cleared once the ADC is effectively
+ disabled.
+ (##) ADC_FLAG_ADSTART : This flag is cleared after the execution of
+ ADC_StopOfConversion() function, at the same time as the ADSTP bit is
+ cleared by hardware
+ (##) ADC_FLAG_ADSTP : This flag is cleared by hardware when the conversion
+ is effectively discarded and the ADC is ready to accept a new start conversion
+ (##) ADC_FLAG_ADCAL : This flag is set once the calibration is complete.
+
+ (+)Interrupts
+ (##) ADC_IT_ADRDY : specifies the interrupt source for ADC ready event.
+
+ *** Flags and Interrupts for ADC channel conversion ***
+ =====================================================
+ [..]
+ (+)Flags :
+ (##) ADC_FLAG_EOC : This flag is set by hardware at the end of each conversion
+ of a channel when a new data result is available in the data register
+ (##) ADC_FLAG_EOSEQ : This bit is set by hardware at the end of the conversion
+ of a sequence of channels selected by ADC_ChannelConfig() function.
+ (##) ADC_FLAG_EOSMP : This bit is set by hardware at the end of the sampling phase.
+ (##) ADC_FLAG_OVR : This flag is set by hardware when an overrun occurs,
+ meaning that a new conversion has complete while the EOC flag was already set.
+
+ (+)Interrupts :
+ (##) ADC_IT_EOC : specifies the interrupt source for end of conversion event.
+ (##) ADC_IT_EOSEQ : specifies the interrupt source for end of sequence event.
+ (##) ADC_IT_EOSMP : specifies the interrupt source for end of sampling event.
+ (##) ADC_IT_OVR : specifies the interrupt source for Overrun detection
+ event.
+
+ *** Flags and Interrupts for the Analog Watchdog ***
+ ================================================
+ [..]
+ (+)Flags :
+ (##) ADC_FLAG_AWD: This flag is set by hardware when the converted
+ voltage crosses the values programmed thrsholds
+
+ (+)Interrupts :
+ (##) ADC_IT_AWD : specifies the interrupt source for Analog watchdog
+ event.
+
+ [..] The user should identify which mode will be used in his application to
+ manage the ADC controller events: Polling mode or Interrupt mode.
+
+ [..] In the Polling Mode it is advised to use the following functions:
+ (+) ADC_GetFlagStatus() : to check if flags events occur.
+ (+) ADC_ClearFlag() : to clear the flags events.
+
+ [..] In the Interrupt Mode it is advised to use the following functions:
+ (+) ADC_ITConfig() : to enable or disable the interrupt source.
+ (+) ADC_GetITStatus() : to check if Interrupt occurs.
+ (+) ADC_ClearITPendingBit() : to clear the Interrupt pending Bit
+ (corresponding Flag).
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the specified ADC interrupts.
+ * @param ADCx: where x can be 1 to select the ADC peripheral.
+ * @param ADC_IT: specifies the ADC interrupt sources to be enabled or disabled.
+ * This parameter can be one of the following values:
+ * @arg ADC_IT_ADRDY: ADC ready interrupt
+ * @arg ADC_IT_EOSMP: End of sampling interrupt
+ * @arg ADC_IT_EOC: End of conversion interrupt
+ * @arg ADC_IT_EOSEQ: End of sequence of conversion interrupt
+ * @arg ADC_IT_OVR: overrun interrupt
+ * @arg ADC_IT_AWD: Analog watchdog interrupt
+ * @param NewState: new state of the specified ADC interrupts.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void ADC_ITConfig(ADC_TypeDef* ADCx, uint32_t ADC_IT, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+ assert_param(IS_ADC_CONFIG_IT(ADC_IT));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected ADC interrupts */
+ ADCx->IER |= ADC_IT;
+ }
+ else
+ {
+ /* Disable the selected ADC interrupts */
+ ADCx->IER &= (~(uint32_t)ADC_IT);
+ }
+}
+
+/**
+ * @brief Checks whether the specified ADC flag is set or not.
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @param ADC_FLAG: specifies the flag to check.
+ * This parameter can be one of the following values:
+ * @arg ADC_FLAG_AWD: Analog watchdog flag
+ * @arg ADC_FLAG_OVR: Overrun flag
+ * @arg ADC_FLAG_EOSEQ: End of Sequence flag
+ * @arg ADC_FLAG_EOC: End of conversion flag
+ * @arg ADC_FLAG_EOSMP: End of sampling flag
+ * @arg ADC_FLAG_ADRDY: ADC Ready flag
+ * @arg ADC_FLAG_ADEN: ADC enable flag
+ * @arg ADC_FLAG_ADDIS: ADC disable flag
+ * @arg ADC_FLAG_ADSTART: ADC start flag
+ * @arg ADC_FLAG_ADSTP: ADC stop flag
+ * @arg ADC_FLAG_ADCAL: ADC Calibration flag
+ * @retval The new state of ADC_FLAG (SET or RESET).
+ */
+FlagStatus ADC_GetFlagStatus(ADC_TypeDef* ADCx, uint32_t ADC_FLAG)
+{
+ FlagStatus bitstatus = RESET;
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_ADC_GET_FLAG(ADC_FLAG));
+
+ if((uint32_t)(ADC_FLAG & 0x01000000))
+ {
+ tmpreg = ADCx->CR & 0xFEFFFFFF;
+ }
+ else
+ {
+ tmpreg = ADCx->ISR;
+ }
+
+ /* Check the status of the specified ADC flag */
+ if ((tmpreg & ADC_FLAG) != (uint32_t)RESET)
+ {
+ /* ADC_FLAG is set */
+ bitstatus = SET;
+ }
+ else
+ {
+ /* ADC_FLAG is reset */
+ bitstatus = RESET;
+ }
+ /* Return the ADC_FLAG status */
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the ADCx's pending flags.
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @param ADC_FLAG: specifies the flag to clear.
+ * This parameter can be any combination of the following values:
+ * @arg ADC_FLAG_AWD: Analog watchdog flag
+ * @arg ADC_FLAG_EOC: End of conversion flag
+ * @arg ADC_FLAG_ADRDY: ADC Ready flag
+ * @arg ADC_FLAG_EOSMP: End of sampling flag
+ * @arg ADC_FLAG_EOSEQ: End of Sequence flag
+ * @arg ADC_FLAG_OVR: Overrun flag
+ * @retval None
+ */
+void ADC_ClearFlag(ADC_TypeDef* ADCx, uint32_t ADC_FLAG)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_ADC_CLEAR_FLAG(ADC_FLAG));
+
+ /* Clear the selected ADC flags */
+ ADCx->ISR = (uint32_t)ADC_FLAG;
+}
+
+/**
+ * @brief Checks whether the specified ADC interrupt has occurred or not.
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral
+ * @param ADC_IT: specifies the ADC interrupt source to check.
+ * This parameter can be one of the following values:
+ * @arg ADC_IT_ADRDY: ADC ready interrupt
+ * @arg ADC_IT_EOSMP: End of sampling interrupt
+ * @arg ADC_IT_EOC: End of conversion interrupt
+ * @arg ADC_IT_EOSEQ: End of sequence of conversion interrupt
+ * @arg ADC_IT_OVR: overrun interrupt
+ * @arg ADC_IT_AWD: Analog watchdog interrupt
+ * @retval The new state of ADC_IT (SET or RESET).
+ */
+ITStatus ADC_GetITStatus(ADC_TypeDef* ADCx, uint32_t ADC_IT)
+{
+ ITStatus bitstatus = RESET;
+ uint32_t enablestatus = 0;
+
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_ADC_GET_IT(ADC_IT));
+
+ /* Get the ADC_IT enable bit status */
+ enablestatus = (uint32_t)(ADCx->IER & ADC_IT);
+
+ /* Check the status of the specified ADC interrupt */
+ if (((uint32_t)(ADCx->ISR & ADC_IT) != (uint32_t)RESET) && (enablestatus != (uint32_t)RESET))
+ {
+ /* ADC_IT is set */
+ bitstatus = SET;
+ }
+ else
+ {
+ /* ADC_IT is reset */
+ bitstatus = RESET;
+ }
+ /* Return the ADC_IT status */
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the ADCx's interrupt pending bits.
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @param ADC_IT: specifies the ADC interrupt pending bit to clear.
+ * This parameter can be one of the following values:
+ * @arg ADC_IT_ADRDY: ADC ready interrupt
+ * @arg ADC_IT_EOSMP: End of sampling interrupt
+ * @arg ADC_IT_EOC: End of conversion interrupt
+ * @arg ADC_IT_EOSEQ: End of sequence of conversion interrupt
+ * @arg ADC_IT_OVR: overrun interrupt
+ * @arg ADC_IT_AWD: Analog watchdog interrupt
+ * @retval None
+ */
+void ADC_ClearITPendingBit(ADC_TypeDef* ADCx, uint32_t ADC_IT)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_ADC_CLEAR_IT(ADC_IT));
+
+ /* Clear the selected ADC interrupt pending bits */
+ ADCx->ISR = (uint32_t)ADC_IT;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_can.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_can.c
new file mode 100644
index 00000000..c051ab49
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_can.c
@@ -0,0 +1,1631 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_can.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the Controller area network (CAN) peripheral and
+ * applicable only for STM32F072 devices :
+ * + Initialization and Configuration
+ * + CAN Frames Transmission
+ * + CAN Frames Reception
+ * + Operation modes switch
+ * + Error management
+ * + Interrupts and flags
+ *
+ @verbatim
+
+ ===============================================================================
+ ##### How to use this driver #####
+ ===============================================================================
+ [..]
+ (#) Enable the CAN controller interface clock using
+ RCC_APB1PeriphClockCmd(RCC_APB1Periph_CAN, ENABLE);
+ (#) CAN pins configuration:
+ (++) Enable the clock for the CAN GPIOs using the following function:
+ RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOx, ENABLE);
+ (++) Connect the involved CAN pins to AF0 using the following function
+ GPIO_PinAFConfig(GPIOx, GPIO_PinSourcex, GPIO_AF_CANx);
+ (++) Configure these CAN pins in alternate function mode by calling
+ the function GPIO_Init();
+ (#) Initialise and configure the CAN using CAN_Init() and
+ CAN_FilterInit() functions.
+ (#) Transmit the desired CAN frame using CAN_Transmit() function.
+ (#) Check the transmission of a CAN frame using CAN_TransmitStatus() function.
+ (#) Cancel the transmission of a CAN frame using CAN_CancelTransmit() function.
+ (#) Receive a CAN frame using CAN_Recieve() function.
+ (#) Release the receive FIFOs using CAN_FIFORelease() function.
+ (#) Return the number of pending received frames using CAN_MessagePending() function.
+ (#) To control CAN events you can use one of the following two methods:
+ (++) Check on CAN flags using the CAN_GetFlagStatus() function.
+ (++) Use CAN interrupts through the function CAN_ITConfig() at initialization
+ phase and CAN_GetITStatus() function into interrupt routines to check
+ if the event has occurred or not.
+ After checking on a flag you should clear it using CAN_ClearFlag()
+ function. And after checking on an interrupt event you should clear it
+ using CAN_ClearITPendingBit() function.
+
+ @endverbatim
+ *
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_can.h"
+#include "stm32f0xx_rcc.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup CAN
+ * @brief CAN driver modules
+ * @{
+ */
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+
+/* CAN Master Control Register bits */
+#define MCR_DBF ((uint32_t)0x00010000) /* software master reset */
+
+/* CAN Mailbox Transmit Request */
+#define TMIDxR_TXRQ ((uint32_t)0x00000001) /* Transmit mailbox request */
+
+/* CAN Filter Master Register bits */
+#define FMR_FINIT ((uint32_t)0x00000001) /* Filter init mode */
+
+/* Time out for INAK bit */
+#define INAK_TIMEOUT ((uint32_t)0x00FFFFFF)
+/* Time out for SLAK bit */
+#define SLAK_TIMEOUT ((uint32_t)0x00FFFFFF)
+
+/* Flags in TSR register */
+#define CAN_FLAGS_TSR ((uint32_t)0x08000000)
+/* Flags in RF1R register */
+#define CAN_FLAGS_RF1R ((uint32_t)0x04000000)
+/* Flags in RF0R register */
+#define CAN_FLAGS_RF0R ((uint32_t)0x02000000)
+/* Flags in MSR register */
+#define CAN_FLAGS_MSR ((uint32_t)0x01000000)
+/* Flags in ESR register */
+#define CAN_FLAGS_ESR ((uint32_t)0x00F00000)
+
+/* Mailboxes definition */
+#define CAN_TXMAILBOX_0 ((uint8_t)0x00)
+#define CAN_TXMAILBOX_1 ((uint8_t)0x01)
+#define CAN_TXMAILBOX_2 ((uint8_t)0x02)
+
+#define CAN_MODE_MASK ((uint32_t) 0x00000003)
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+static ITStatus CheckITStatus(uint32_t CAN_Reg, uint32_t It_Bit);
+
+/** @defgroup CAN_Private_Functions
+ * @{
+ */
+
+/** @defgroup CAN_Group1 Initialization and Configuration functions
+ * @brief Initialization and Configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Initialization and Configuration functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to:
+ (+) Initialize the CAN peripherals : Prescaler, operating mode, the maximum
+ number of time quanta to perform resynchronization, the number of time
+ quanta in Bit Segment 1 and 2 and many other modes.
+ (+) Configure the CAN reception filter.
+ (+) Select the start bank filter for slave CAN.
+ (+) Enable or disable the Debug Freeze mode for CAN.
+ (+) Enable or disable the CAN Time Trigger Operation communication mode.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Deinitializes the CAN peripheral registers to their default reset values.
+ * @param CANx: where x can be 1 to select the CAN peripheral.
+ * @retval None.
+ */
+void CAN_DeInit(CAN_TypeDef* CANx)
+{
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+
+ /* Enable CAN reset state */
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_CAN, ENABLE);
+ /* Release CAN from reset state */
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_CAN, DISABLE);
+}
+
+/**
+ * @brief Initializes the CAN peripheral according to the specified
+ * parameters in the CAN_InitStruct.
+ * @param CANx: where x can be 1 to select the CAN peripheral.
+ * @param CAN_InitStruct: pointer to a CAN_InitTypeDef structure that contains
+ * the configuration information for the CAN peripheral.
+ * @retval Constant indicates initialization succeed which will be
+ * CAN_InitStatus_Failed or CAN_InitStatus_Success.
+ */
+uint8_t CAN_Init(CAN_TypeDef* CANx, CAN_InitTypeDef* CAN_InitStruct)
+{
+ uint8_t InitStatus = CAN_InitStatus_Failed;
+ uint32_t wait_ack = 0x00000000;
+
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+ assert_param(IS_FUNCTIONAL_STATE(CAN_InitStruct->CAN_TTCM));
+ assert_param(IS_FUNCTIONAL_STATE(CAN_InitStruct->CAN_ABOM));
+ assert_param(IS_FUNCTIONAL_STATE(CAN_InitStruct->CAN_AWUM));
+ assert_param(IS_FUNCTIONAL_STATE(CAN_InitStruct->CAN_NART));
+ assert_param(IS_FUNCTIONAL_STATE(CAN_InitStruct->CAN_RFLM));
+ assert_param(IS_FUNCTIONAL_STATE(CAN_InitStruct->CAN_TXFP));
+ assert_param(IS_CAN_MODE(CAN_InitStruct->CAN_Mode));
+ assert_param(IS_CAN_SJW(CAN_InitStruct->CAN_SJW));
+ assert_param(IS_CAN_BS1(CAN_InitStruct->CAN_BS1));
+ assert_param(IS_CAN_BS2(CAN_InitStruct->CAN_BS2));
+ assert_param(IS_CAN_PRESCALER(CAN_InitStruct->CAN_Prescaler));
+
+ /* Exit from sleep mode */
+ CANx->MCR &= (~(uint32_t)CAN_MCR_SLEEP);
+
+ /* Request initialisation */
+ CANx->MCR |= CAN_MCR_INRQ ;
+
+ /* Wait the acknowledge */
+ while (((CANx->MSR & CAN_MSR_INAK) != CAN_MSR_INAK) && (wait_ack != INAK_TIMEOUT))
+ {
+ wait_ack++;
+ }
+
+ /* Check acknowledge */
+ if ((CANx->MSR & CAN_MSR_INAK) != CAN_MSR_INAK)
+ {
+ InitStatus = CAN_InitStatus_Failed;
+ }
+ else
+ {
+ /* Set the time triggered communication mode */
+ if (CAN_InitStruct->CAN_TTCM == ENABLE)
+ {
+ CANx->MCR |= CAN_MCR_TTCM;
+ }
+ else
+ {
+ CANx->MCR &= ~(uint32_t)CAN_MCR_TTCM;
+ }
+
+ /* Set the automatic bus-off management */
+ if (CAN_InitStruct->CAN_ABOM == ENABLE)
+ {
+ CANx->MCR |= CAN_MCR_ABOM;
+ }
+ else
+ {
+ CANx->MCR &= ~(uint32_t)CAN_MCR_ABOM;
+ }
+
+ /* Set the automatic wake-up mode */
+ if (CAN_InitStruct->CAN_AWUM == ENABLE)
+ {
+ CANx->MCR |= CAN_MCR_AWUM;
+ }
+ else
+ {
+ CANx->MCR &= ~(uint32_t)CAN_MCR_AWUM;
+ }
+
+ /* Set the no automatic retransmission */
+ if (CAN_InitStruct->CAN_NART == ENABLE)
+ {
+ CANx->MCR |= CAN_MCR_NART;
+ }
+ else
+ {
+ CANx->MCR &= ~(uint32_t)CAN_MCR_NART;
+ }
+
+ /* Set the receive FIFO locked mode */
+ if (CAN_InitStruct->CAN_RFLM == ENABLE)
+ {
+ CANx->MCR |= CAN_MCR_RFLM;
+ }
+ else
+ {
+ CANx->MCR &= ~(uint32_t)CAN_MCR_RFLM;
+ }
+
+ /* Set the transmit FIFO priority */
+ if (CAN_InitStruct->CAN_TXFP == ENABLE)
+ {
+ CANx->MCR |= CAN_MCR_TXFP;
+ }
+ else
+ {
+ CANx->MCR &= ~(uint32_t)CAN_MCR_TXFP;
+ }
+
+ /* Set the bit timing register */
+ CANx->BTR = (uint32_t)((uint32_t)CAN_InitStruct->CAN_Mode << 30) | \
+ ((uint32_t)CAN_InitStruct->CAN_SJW << 24) | \
+ ((uint32_t)CAN_InitStruct->CAN_BS1 << 16) | \
+ ((uint32_t)CAN_InitStruct->CAN_BS2 << 20) | \
+ ((uint32_t)CAN_InitStruct->CAN_Prescaler - 1);
+
+ /* Request leave initialisation */
+ CANx->MCR &= ~(uint32_t)CAN_MCR_INRQ;
+
+ /* Wait the acknowledge */
+ wait_ack = 0;
+
+ while (((CANx->MSR & CAN_MSR_INAK) == (uint16_t)CAN_MSR_INAK) && (wait_ack != INAK_TIMEOUT))
+ {
+ wait_ack++;
+ }
+
+ /* ...and check acknowledged */
+ if ((CANx->MSR & CAN_MSR_INAK) == CAN_MSR_INAK)
+ {
+ InitStatus = CAN_InitStatus_Failed;
+ }
+ else
+ {
+ InitStatus = CAN_InitStatus_Success ;
+ }
+ }
+
+ /* At this step, return the status of initialization */
+ return InitStatus;
+}
+
+/**
+ * @brief Configures the CAN reception filter according to the specified
+ * parameters in the CAN_FilterInitStruct.
+ * @param CAN_FilterInitStruct: pointer to a CAN_FilterInitTypeDef structure that
+ * contains the configuration information.
+ * @retval None
+ */
+void CAN_FilterInit(CAN_FilterInitTypeDef* CAN_FilterInitStruct)
+{
+ uint32_t filter_number_bit_pos = 0;
+ /* Check the parameters */
+ assert_param(IS_CAN_FILTER_NUMBER(CAN_FilterInitStruct->CAN_FilterNumber));
+ assert_param(IS_CAN_FILTER_MODE(CAN_FilterInitStruct->CAN_FilterMode));
+ assert_param(IS_CAN_FILTER_SCALE(CAN_FilterInitStruct->CAN_FilterScale));
+ assert_param(IS_CAN_FILTER_FIFO(CAN_FilterInitStruct->CAN_FilterFIFOAssignment));
+ assert_param(IS_FUNCTIONAL_STATE(CAN_FilterInitStruct->CAN_FilterActivation));
+
+ filter_number_bit_pos = ((uint32_t)1) << CAN_FilterInitStruct->CAN_FilterNumber;
+
+ /* Initialisation mode for the filter */
+ CAN->FMR |= FMR_FINIT;
+
+ /* Filter Deactivation */
+ CAN->FA1R &= ~(uint32_t)filter_number_bit_pos;
+
+ /* Filter Scale */
+ if (CAN_FilterInitStruct->CAN_FilterScale == CAN_FilterScale_16bit)
+ {
+ /* 16-bit scale for the filter */
+ CAN->FS1R &= ~(uint32_t)filter_number_bit_pos;
+
+ /* First 16-bit identifier and First 16-bit mask */
+ /* Or First 16-bit identifier and Second 16-bit identifier */
+ CAN->sFilterRegister[CAN_FilterInitStruct->CAN_FilterNumber].FR1 =
+ ((0x0000FFFF & (uint32_t)CAN_FilterInitStruct->CAN_FilterMaskIdLow) << 16) |
+ (0x0000FFFF & (uint32_t)CAN_FilterInitStruct->CAN_FilterIdLow);
+
+ /* Second 16-bit identifier and Second 16-bit mask */
+ /* Or Third 16-bit identifier and Fourth 16-bit identifier */
+ CAN->sFilterRegister[CAN_FilterInitStruct->CAN_FilterNumber].FR2 =
+ ((0x0000FFFF & (uint32_t)CAN_FilterInitStruct->CAN_FilterMaskIdHigh) << 16) |
+ (0x0000FFFF & (uint32_t)CAN_FilterInitStruct->CAN_FilterIdHigh);
+ }
+
+ if (CAN_FilterInitStruct->CAN_FilterScale == CAN_FilterScale_32bit)
+ {
+ /* 32-bit scale for the filter */
+ CAN->FS1R |= filter_number_bit_pos;
+ /* 32-bit identifier or First 32-bit identifier */
+ CAN->sFilterRegister[CAN_FilterInitStruct->CAN_FilterNumber].FR1 =
+ ((0x0000FFFF & (uint32_t)CAN_FilterInitStruct->CAN_FilterIdHigh) << 16) |
+ (0x0000FFFF & (uint32_t)CAN_FilterInitStruct->CAN_FilterIdLow);
+ /* 32-bit mask or Second 32-bit identifier */
+ CAN->sFilterRegister[CAN_FilterInitStruct->CAN_FilterNumber].FR2 =
+ ((0x0000FFFF & (uint32_t)CAN_FilterInitStruct->CAN_FilterMaskIdHigh) << 16) |
+ (0x0000FFFF & (uint32_t)CAN_FilterInitStruct->CAN_FilterMaskIdLow);
+ }
+
+ /* Filter Mode */
+ if (CAN_FilterInitStruct->CAN_FilterMode == CAN_FilterMode_IdMask)
+ {
+ /*Id/Mask mode for the filter*/
+ CAN->FM1R &= ~(uint32_t)filter_number_bit_pos;
+ }
+ else /* CAN_FilterInitStruct->CAN_FilterMode == CAN_FilterMode_IdList */
+ {
+ /*Identifier list mode for the filter*/
+ CAN->FM1R |= (uint32_t)filter_number_bit_pos;
+ }
+
+ /* Filter FIFO assignment */
+ if (CAN_FilterInitStruct->CAN_FilterFIFOAssignment == CAN_Filter_FIFO0)
+ {
+ /* FIFO 0 assignation for the filter */
+ CAN->FFA1R &= ~(uint32_t)filter_number_bit_pos;
+ }
+
+ if (CAN_FilterInitStruct->CAN_FilterFIFOAssignment == CAN_Filter_FIFO1)
+ {
+ /* FIFO 1 assignation for the filter */
+ CAN->FFA1R |= (uint32_t)filter_number_bit_pos;
+ }
+
+ /* Filter activation */
+ if (CAN_FilterInitStruct->CAN_FilterActivation == ENABLE)
+ {
+ CAN->FA1R |= filter_number_bit_pos;
+ }
+
+ /* Leave the initialisation mode for the filter */
+ CAN->FMR &= ~FMR_FINIT;
+}
+
+/**
+ * @brief Fills each CAN_InitStruct member with its default value.
+ * @param CAN_InitStruct: pointer to a CAN_InitTypeDef structure which ill be initialized.
+ * @retval None
+ */
+void CAN_StructInit(CAN_InitTypeDef* CAN_InitStruct)
+{
+ /* Reset CAN init structure parameters values */
+
+ /* Initialize the time triggered communication mode */
+ CAN_InitStruct->CAN_TTCM = DISABLE;
+
+ /* Initialize the automatic bus-off management */
+ CAN_InitStruct->CAN_ABOM = DISABLE;
+
+ /* Initialize the automatic wake-up mode */
+ CAN_InitStruct->CAN_AWUM = DISABLE;
+
+ /* Initialize the no automatic retransmission */
+ CAN_InitStruct->CAN_NART = DISABLE;
+
+ /* Initialize the receive FIFO locked mode */
+ CAN_InitStruct->CAN_RFLM = DISABLE;
+
+ /* Initialize the transmit FIFO priority */
+ CAN_InitStruct->CAN_TXFP = DISABLE;
+
+ /* Initialize the CAN_Mode member */
+ CAN_InitStruct->CAN_Mode = CAN_Mode_Normal;
+
+ /* Initialize the CAN_SJW member */
+ CAN_InitStruct->CAN_SJW = CAN_SJW_1tq;
+
+ /* Initialize the CAN_BS1 member */
+ CAN_InitStruct->CAN_BS1 = CAN_BS1_4tq;
+
+ /* Initialize the CAN_BS2 member */
+ CAN_InitStruct->CAN_BS2 = CAN_BS2_3tq;
+
+ /* Initialize the CAN_Prescaler member */
+ CAN_InitStruct->CAN_Prescaler = 1;
+}
+
+/**
+ * @brief Select the start bank filter for slave CAN.
+ * @param CAN_BankNumber: Select the start slave bank filter from 1..27.
+ * @retval None
+ */
+void CAN_SlaveStartBank(uint8_t CAN_BankNumber)
+{
+ /* Check the parameters */
+ assert_param(IS_CAN_BANKNUMBER(CAN_BankNumber));
+
+ /* Enter Initialisation mode for the filter */
+ CAN->FMR |= FMR_FINIT;
+
+ /* Select the start slave bank */
+ CAN->FMR &= (uint32_t)0xFFFFC0F1 ;
+ CAN->FMR |= (uint32_t)(CAN_BankNumber)<<8;
+
+ /* Leave Initialisation mode for the filter */
+ CAN->FMR &= ~FMR_FINIT;
+}
+
+/**
+ * @brief Enables or disables the DBG Freeze for CAN.
+ * @param CANx: where x can be 1 or 2 to to select the CAN peripheral.
+ * @param NewState: new state of the CAN peripheral.
+ * This parameter can be: ENABLE (CAN reception/transmission is frozen
+ * during debug. Reception FIFOs can still be accessed/controlled normally)
+ * or DISABLE (CAN is working during debug).
+ * @retval None
+ */
+void CAN_DBGFreeze(CAN_TypeDef* CANx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable Debug Freeze */
+ CANx->MCR |= MCR_DBF;
+ }
+ else
+ {
+ /* Disable Debug Freeze */
+ CANx->MCR &= ~MCR_DBF;
+ }
+}
+
+/**
+ * @brief Enables or disables the CAN Time TriggerOperation communication mode.
+ * @note DLC must be programmed as 8 in order Time Stamp (2 bytes) to be
+ * sent over the CAN bus.
+ * @param CANx: where x can be 1 or 2 to to select the CAN peripheral.
+ * @param NewState: Mode new state. This parameter can be: ENABLE or DISABLE.
+ * When enabled, Time stamp (TIME[15:0]) value is sent in the last two
+ * data bytes of the 8-byte message: TIME[7:0] in data byte 6 and TIME[15:8]
+ * in data byte 7.
+ * @retval None
+ */
+void CAN_TTComModeCmd(CAN_TypeDef* CANx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+ if (NewState != DISABLE)
+ {
+ /* Enable the TTCM mode */
+ CANx->MCR |= CAN_MCR_TTCM;
+
+ /* Set TGT bits */
+ CANx->sTxMailBox[0].TDTR |= ((uint32_t)CAN_TDT0R_TGT);
+ CANx->sTxMailBox[1].TDTR |= ((uint32_t)CAN_TDT1R_TGT);
+ CANx->sTxMailBox[2].TDTR |= ((uint32_t)CAN_TDT2R_TGT);
+ }
+ else
+ {
+ /* Disable the TTCM mode */
+ CANx->MCR &= (uint32_t)(~(uint32_t)CAN_MCR_TTCM);
+
+ /* Reset TGT bits */
+ CANx->sTxMailBox[0].TDTR &= ((uint32_t)~CAN_TDT0R_TGT);
+ CANx->sTxMailBox[1].TDTR &= ((uint32_t)~CAN_TDT1R_TGT);
+ CANx->sTxMailBox[2].TDTR &= ((uint32_t)~CAN_TDT2R_TGT);
+ }
+}
+/**
+ * @}
+ */
+
+
+/** @defgroup CAN_Group2 CAN Frames Transmission functions
+ * @brief CAN Frames Transmission functions
+ *
+@verbatim
+ ===============================================================================
+ ##### CAN Frames Transmission functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to
+ (+) Initiate and transmit a CAN frame message (if there is an empty mailbox).
+ (+) Check the transmission status of a CAN Frame.
+ (+) Cancel a transmit request.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Initiates and transmits a CAN frame message.
+ * @param CANx: where x can be 1 or 2 to to select the CAN peripheral.
+ * @param TxMessage: pointer to a structure which contains CAN Id, CAN DLC and CAN data.
+ * @retval The number of the mailbox that is used for transmission or
+ * CAN_TxStatus_NoMailBox if there is no empty mailbox.
+ */
+uint8_t CAN_Transmit(CAN_TypeDef* CANx, CanTxMsg* TxMessage)
+{
+ uint8_t transmit_mailbox = 0;
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+ assert_param(IS_CAN_IDTYPE(TxMessage->IDE));
+ assert_param(IS_CAN_RTR(TxMessage->RTR));
+ assert_param(IS_CAN_DLC(TxMessage->DLC));
+
+ /* Select one empty transmit mailbox */
+ if ((CANx->TSR&CAN_TSR_TME0) == CAN_TSR_TME0)
+ {
+ transmit_mailbox = 0;
+ }
+ else if ((CANx->TSR&CAN_TSR_TME1) == CAN_TSR_TME1)
+ {
+ transmit_mailbox = 1;
+ }
+ else if ((CANx->TSR&CAN_TSR_TME2) == CAN_TSR_TME2)
+ {
+ transmit_mailbox = 2;
+ }
+ else
+ {
+ transmit_mailbox = CAN_TxStatus_NoMailBox;
+ }
+
+ if (transmit_mailbox != CAN_TxStatus_NoMailBox)
+ {
+ /* Set up the Id */
+ CANx->sTxMailBox[transmit_mailbox].TIR &= TMIDxR_TXRQ;
+ if (TxMessage->IDE == CAN_Id_Standard)
+ {
+ assert_param(IS_CAN_STDID(TxMessage->StdId));
+ CANx->sTxMailBox[transmit_mailbox].TIR |= ((TxMessage->StdId << 21) | \
+ TxMessage->RTR);
+ }
+ else
+ {
+ assert_param(IS_CAN_EXTID(TxMessage->ExtId));
+ CANx->sTxMailBox[transmit_mailbox].TIR |= ((TxMessage->ExtId << 3) | \
+ TxMessage->IDE | \
+ TxMessage->RTR);
+ }
+
+ /* Set up the DLC */
+ TxMessage->DLC &= (uint8_t)0x0000000F;
+ CANx->sTxMailBox[transmit_mailbox].TDTR &= (uint32_t)0xFFFFFFF0;
+ CANx->sTxMailBox[transmit_mailbox].TDTR |= TxMessage->DLC;
+
+ /* Set up the data field */
+ CANx->sTxMailBox[transmit_mailbox].TDLR = (((uint32_t)TxMessage->Data[3] << 24) |
+ ((uint32_t)TxMessage->Data[2] << 16) |
+ ((uint32_t)TxMessage->Data[1] << 8) |
+ ((uint32_t)TxMessage->Data[0]));
+ CANx->sTxMailBox[transmit_mailbox].TDHR = (((uint32_t)TxMessage->Data[7] << 24) |
+ ((uint32_t)TxMessage->Data[6] << 16) |
+ ((uint32_t)TxMessage->Data[5] << 8) |
+ ((uint32_t)TxMessage->Data[4]));
+ /* Request transmission */
+ CANx->sTxMailBox[transmit_mailbox].TIR |= TMIDxR_TXRQ;
+ }
+ return transmit_mailbox;
+}
+
+/**
+ * @brief Checks the transmission status of a CAN Frame.
+ * @param CANx: where x can be 1 to select the CAN peripheral.
+ * @param TransmitMailbox: the number of the mailbox that is used for transmission.
+ * @retval CAN_TxStatus_Ok if the CAN driver transmits the message,
+ * CAN_TxStatus_Failed in an other case.
+ */
+uint8_t CAN_TransmitStatus(CAN_TypeDef* CANx, uint8_t TransmitMailbox)
+{
+ uint32_t state = 0;
+
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+ assert_param(IS_CAN_TRANSMITMAILBOX(TransmitMailbox));
+
+ switch (TransmitMailbox)
+ {
+ case (CAN_TXMAILBOX_0):
+ state = CANx->TSR & (CAN_TSR_RQCP0 | CAN_TSR_TXOK0 | CAN_TSR_TME0);
+ break;
+ case (CAN_TXMAILBOX_1):
+ state = CANx->TSR & (CAN_TSR_RQCP1 | CAN_TSR_TXOK1 | CAN_TSR_TME1);
+ break;
+ case (CAN_TXMAILBOX_2):
+ state = CANx->TSR & (CAN_TSR_RQCP2 | CAN_TSR_TXOK2 | CAN_TSR_TME2);
+ break;
+ default:
+ state = CAN_TxStatus_Failed;
+ break;
+ }
+ switch (state)
+ {
+ /* transmit pending */
+ case (0x0): state = CAN_TxStatus_Pending;
+ break;
+ /* transmit failed */
+ case (CAN_TSR_RQCP0 | CAN_TSR_TME0): state = CAN_TxStatus_Failed;
+ break;
+ case (CAN_TSR_RQCP1 | CAN_TSR_TME1): state = CAN_TxStatus_Failed;
+ break;
+ case (CAN_TSR_RQCP2 | CAN_TSR_TME2): state = CAN_TxStatus_Failed;
+ break;
+ /* transmit succeeded */
+ case (CAN_TSR_RQCP0 | CAN_TSR_TXOK0 | CAN_TSR_TME0):state = CAN_TxStatus_Ok;
+ break;
+ case (CAN_TSR_RQCP1 | CAN_TSR_TXOK1 | CAN_TSR_TME1):state = CAN_TxStatus_Ok;
+ break;
+ case (CAN_TSR_RQCP2 | CAN_TSR_TXOK2 | CAN_TSR_TME2):state = CAN_TxStatus_Ok;
+ break;
+ default: state = CAN_TxStatus_Failed;
+ break;
+ }
+ return (uint8_t) state;
+}
+
+/**
+ * @brief Cancels a transmit request.
+ * @param CANx: where x can be 1 to select the CAN peripheral.
+ * @param Mailbox: Mailbox number.
+ * @retval None
+ */
+void CAN_CancelTransmit(CAN_TypeDef* CANx, uint8_t Mailbox)
+{
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+ assert_param(IS_CAN_TRANSMITMAILBOX(Mailbox));
+ /* abort transmission */
+ switch (Mailbox)
+ {
+ case (CAN_TXMAILBOX_0): CANx->TSR |= CAN_TSR_ABRQ0;
+ break;
+ case (CAN_TXMAILBOX_1): CANx->TSR |= CAN_TSR_ABRQ1;
+ break;
+ case (CAN_TXMAILBOX_2): CANx->TSR |= CAN_TSR_ABRQ2;
+ break;
+ default:
+ break;
+ }
+}
+/**
+ * @}
+ */
+
+
+/** @defgroup CAN_Group3 CAN Frames Reception functions
+ * @brief CAN Frames Reception functions
+ *
+@verbatim
+ ===============================================================================
+ ##### CAN Frames Reception functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to
+ (+) Receive a correct CAN frame.
+ (+) Release a specified receive FIFO (2 FIFOs are available).
+ (+) Return the number of the pending received CAN frames.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Receives a correct CAN frame.
+ * @param CANx: where x can be 1 to select the CAN peripheral.
+ * @param FIFONumber: Receive FIFO number, CAN_FIFO0 or CAN_FIFO1.
+ * @param RxMessage: pointer to a structure receive frame which contains CAN Id,
+ * CAN DLC, CAN data and FMI number.
+ * @retval None
+ */
+void CAN_Receive(CAN_TypeDef* CANx, uint8_t FIFONumber, CanRxMsg* RxMessage)
+{
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+ assert_param(IS_CAN_FIFO(FIFONumber));
+ /* Get the Id */
+ RxMessage->IDE = (uint8_t)0x04 & CANx->sFIFOMailBox[FIFONumber].RIR;
+ if (RxMessage->IDE == CAN_Id_Standard)
+ {
+ RxMessage->StdId = (uint32_t)0x000007FF & (CANx->sFIFOMailBox[FIFONumber].RIR >> 21);
+ }
+ else
+ {
+ RxMessage->ExtId = (uint32_t)0x1FFFFFFF & (CANx->sFIFOMailBox[FIFONumber].RIR >> 3);
+ }
+
+ RxMessage->RTR = (uint8_t)0x02 & CANx->sFIFOMailBox[FIFONumber].RIR;
+ /* Get the DLC */
+ RxMessage->DLC = (uint8_t)0x0F & CANx->sFIFOMailBox[FIFONumber].RDTR;
+ /* Get the FMI */
+ RxMessage->FMI = (uint8_t)0xFF & (CANx->sFIFOMailBox[FIFONumber].RDTR >> 8);
+ /* Get the data field */
+ RxMessage->Data[0] = (uint8_t)0xFF & CANx->sFIFOMailBox[FIFONumber].RDLR;
+ RxMessage->Data[1] = (uint8_t)0xFF & (CANx->sFIFOMailBox[FIFONumber].RDLR >> 8);
+ RxMessage->Data[2] = (uint8_t)0xFF & (CANx->sFIFOMailBox[FIFONumber].RDLR >> 16);
+ RxMessage->Data[3] = (uint8_t)0xFF & (CANx->sFIFOMailBox[FIFONumber].RDLR >> 24);
+ RxMessage->Data[4] = (uint8_t)0xFF & CANx->sFIFOMailBox[FIFONumber].RDHR;
+ RxMessage->Data[5] = (uint8_t)0xFF & (CANx->sFIFOMailBox[FIFONumber].RDHR >> 8);
+ RxMessage->Data[6] = (uint8_t)0xFF & (CANx->sFIFOMailBox[FIFONumber].RDHR >> 16);
+ RxMessage->Data[7] = (uint8_t)0xFF & (CANx->sFIFOMailBox[FIFONumber].RDHR >> 24);
+ /* Release the FIFO */
+ /* Release FIFO0 */
+ if (FIFONumber == CAN_FIFO0)
+ {
+ CANx->RF0R |= CAN_RF0R_RFOM0;
+ }
+ /* Release FIFO1 */
+ else /* FIFONumber == CAN_FIFO1 */
+ {
+ CANx->RF1R |= CAN_RF1R_RFOM1;
+ }
+}
+
+/**
+ * @brief Releases the specified receive FIFO.
+ * @param CANx: where x can be 1 to select the CAN peripheral.
+ * @param FIFONumber: FIFO to release, CAN_FIFO0 or CAN_FIFO1.
+ * @retval None
+ */
+void CAN_FIFORelease(CAN_TypeDef* CANx, uint8_t FIFONumber)
+{
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+ assert_param(IS_CAN_FIFO(FIFONumber));
+ /* Release FIFO0 */
+ if (FIFONumber == CAN_FIFO0)
+ {
+ CANx->RF0R |= CAN_RF0R_RFOM0;
+ }
+ /* Release FIFO1 */
+ else /* FIFONumber == CAN_FIFO1 */
+ {
+ CANx->RF1R |= CAN_RF1R_RFOM1;
+ }
+}
+
+/**
+ * @brief Returns the number of pending received messages.
+ * @param CANx: where x can be 1 to select the CAN peripheral.
+ * @param FIFONumber: Receive FIFO number, CAN_FIFO0 or CAN_FIFO1.
+ * @retval NbMessage : which is the number of pending message.
+ */
+uint8_t CAN_MessagePending(CAN_TypeDef* CANx, uint8_t FIFONumber)
+{
+ uint8_t message_pending=0;
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+ assert_param(IS_CAN_FIFO(FIFONumber));
+ if (FIFONumber == CAN_FIFO0)
+ {
+ message_pending = (uint8_t)(CANx->RF0R&(uint32_t)0x03);
+ }
+ else if (FIFONumber == CAN_FIFO1)
+ {
+ message_pending = (uint8_t)(CANx->RF1R&(uint32_t)0x03);
+ }
+ else
+ {
+ message_pending = 0;
+ }
+ return message_pending;
+}
+/**
+ * @}
+ */
+
+
+/** @defgroup CAN_Group4 CAN Operation modes functions
+ * @brief CAN Operation modes functions
+ *
+@verbatim
+ ===============================================================================
+ ##### CAN Operation modes functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to select the CAN Operation modes:
+ (+) sleep mode.
+ (+) normal mode.
+ (+) initialization mode.
+
+@endverbatim
+ * @{
+ */
+
+
+/**
+ * @brief Selects the CAN Operation mode.
+ * @param CAN_OperatingMode: CAN Operating Mode.
+ * This parameter can be one of @ref CAN_OperatingMode_TypeDef enumeration.
+ * @retval status of the requested mode which can be:
+ * - CAN_ModeStatus_Failed: CAN failed entering the specific mode
+ * - CAN_ModeStatus_Success: CAN Succeed entering the specific mode
+ */
+uint8_t CAN_OperatingModeRequest(CAN_TypeDef* CANx, uint8_t CAN_OperatingMode)
+{
+ uint8_t status = CAN_ModeStatus_Failed;
+
+ /* Timeout for INAK or also for SLAK bits*/
+ uint32_t timeout = INAK_TIMEOUT;
+
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+ assert_param(IS_CAN_OPERATING_MODE(CAN_OperatingMode));
+
+ if (CAN_OperatingMode == CAN_OperatingMode_Initialization)
+ {
+ /* Request initialisation */
+ CANx->MCR = (uint32_t)((CANx->MCR & (uint32_t)(~(uint32_t)CAN_MCR_SLEEP)) | CAN_MCR_INRQ);
+
+ /* Wait the acknowledge */
+ while (((CANx->MSR & CAN_MODE_MASK) != CAN_MSR_INAK) && (timeout != 0))
+ {
+ timeout--;
+ }
+ if ((CANx->MSR & CAN_MODE_MASK) != CAN_MSR_INAK)
+ {
+ status = CAN_ModeStatus_Failed;
+ }
+ else
+ {
+ status = CAN_ModeStatus_Success;
+ }
+ }
+ else if (CAN_OperatingMode == CAN_OperatingMode_Normal)
+ {
+ /* Request leave initialisation and sleep mode and enter Normal mode */
+ CANx->MCR &= (uint32_t)(~(CAN_MCR_SLEEP|CAN_MCR_INRQ));
+
+ /* Wait the acknowledge */
+ while (((CANx->MSR & CAN_MODE_MASK) != 0) && (timeout!=0))
+ {
+ timeout--;
+ }
+ if ((CANx->MSR & CAN_MODE_MASK) != 0)
+ {
+ status = CAN_ModeStatus_Failed;
+ }
+ else
+ {
+ status = CAN_ModeStatus_Success;
+ }
+ }
+ else if (CAN_OperatingMode == CAN_OperatingMode_Sleep)
+ {
+ /* Request Sleep mode */
+ CANx->MCR = (uint32_t)((CANx->MCR & (uint32_t)(~(uint32_t)CAN_MCR_INRQ)) | CAN_MCR_SLEEP);
+
+ /* Wait the acknowledge */
+ while (((CANx->MSR & CAN_MODE_MASK) != CAN_MSR_SLAK) && (timeout!=0))
+ {
+ timeout--;
+ }
+ if ((CANx->MSR & CAN_MODE_MASK) != CAN_MSR_SLAK)
+ {
+ status = CAN_ModeStatus_Failed;
+ }
+ else
+ {
+ status = CAN_ModeStatus_Success;
+ }
+ }
+ else
+ {
+ status = CAN_ModeStatus_Failed;
+ }
+
+ return (uint8_t) status;
+}
+
+/**
+ * @brief Enters the Sleep (low power) mode.
+ * @param CANx: where x can be 1 to select the CAN peripheral.
+ * @retval CAN_Sleep_Ok if sleep entered, CAN_Sleep_Failed otherwise.
+ */
+uint8_t CAN_Sleep(CAN_TypeDef* CANx)
+{
+ uint8_t sleepstatus = CAN_Sleep_Failed;
+
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+
+ /* Request Sleep mode */
+ CANx->MCR = (((CANx->MCR) & (uint32_t)(~(uint32_t)CAN_MCR_INRQ)) | CAN_MCR_SLEEP);
+
+ /* Sleep mode status */
+ if ((CANx->MSR & (CAN_MSR_SLAK|CAN_MSR_INAK)) == CAN_MSR_SLAK)
+ {
+ /* Sleep mode not entered */
+ sleepstatus = CAN_Sleep_Ok;
+ }
+ /* return sleep mode status */
+ return (uint8_t)sleepstatus;
+}
+
+/**
+ * @brief Wakes up the CAN peripheral from sleep mode .
+ * @param CANx: where x can be 1 to select the CAN peripheral.
+ * @retval CAN_WakeUp_Ok if sleep mode left, CAN_WakeUp_Failed otherwise.
+ */
+uint8_t CAN_WakeUp(CAN_TypeDef* CANx)
+{
+ uint32_t wait_slak = SLAK_TIMEOUT;
+ uint8_t wakeupstatus = CAN_WakeUp_Failed;
+
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+
+ /* Wake up request */
+ CANx->MCR &= ~(uint32_t)CAN_MCR_SLEEP;
+
+ /* Sleep mode status */
+ while(((CANx->MSR & CAN_MSR_SLAK) == CAN_MSR_SLAK)&&(wait_slak!=0x00))
+ {
+ wait_slak--;
+ }
+ if((CANx->MSR & CAN_MSR_SLAK) != CAN_MSR_SLAK)
+ {
+ /* wake up done : Sleep mode exited */
+ wakeupstatus = CAN_WakeUp_Ok;
+ }
+ /* return wakeup status */
+ return (uint8_t)wakeupstatus;
+}
+/**
+ * @}
+ */
+
+
+/** @defgroup CAN_Group5 CAN Bus Error management functions
+ * @brief CAN Bus Error management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### CAN Bus Error management functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to
+ (+) Return the CANx's last error code (LEC).
+ (+) Return the CANx Receive Error Counter (REC).
+ (+) Return the LSB of the 9-bit CANx Transmit Error Counter(TEC).
+ [..]
+ (@) If TEC is greater than 255, The CAN is in bus-off state.
+ (@) If REC or TEC are greater than 96, an Error warning flag occurs.
+ (@) If REC or TEC are greater than 127, an Error Passive Flag occurs.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Returns the CANx's last error code (LEC).
+ * @param CANx: where x can be 1 to select the CAN peripheral.
+ * @retval Error code:
+ * - CAN_ERRORCODE_NoErr: No Error
+ * - CAN_ERRORCODE_StuffErr: Stuff Error
+ * - CAN_ERRORCODE_FormErr: Form Error
+ * - CAN_ERRORCODE_ACKErr : Acknowledgment Error
+ * - CAN_ERRORCODE_BitRecessiveErr: Bit Recessive Error
+ * - CAN_ERRORCODE_BitDominantErr: Bit Dominant Error
+ * - CAN_ERRORCODE_CRCErr: CRC Error
+ * - CAN_ERRORCODE_SoftwareSetErr: Software Set Error
+ */
+uint8_t CAN_GetLastErrorCode(CAN_TypeDef* CANx)
+{
+ uint8_t errorcode=0;
+
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+
+ /* Get the error code*/
+ errorcode = (((uint8_t)CANx->ESR) & (uint8_t)CAN_ESR_LEC);
+
+ /* Return the error code*/
+ return errorcode;
+}
+
+/**
+ * @brief Returns the CANx Receive Error Counter (REC).
+ * @note In case of an error during reception, this counter is incremented
+ * by 1 or by 8 depending on the error condition as defined by the CAN
+ * standard. After every successful reception, the counter is
+ * decremented by 1 or reset to 120 if its value was higher than 128.
+ * When the counter value exceeds 127, the CAN controller enters the
+ * error passive state.
+ * @param CANx: where x can be 1 or 2 to to select the CAN peripheral.
+ * @retval CAN Receive Error Counter.
+ */
+uint8_t CAN_GetReceiveErrorCounter(CAN_TypeDef* CANx)
+{
+ uint8_t counter=0;
+
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+
+ /* Get the Receive Error Counter*/
+ counter = (uint8_t)((CANx->ESR & CAN_ESR_REC)>> 24);
+
+ /* Return the Receive Error Counter*/
+ return counter;
+}
+
+
+/**
+ * @brief Returns the LSB of the 9-bit CANx Transmit Error Counter(TEC).
+ * @param CANx: where x can be 1 or 2 to to select the CAN peripheral.
+ * @retval LSB of the 9-bit CAN Transmit Error Counter.
+ */
+uint8_t CAN_GetLSBTransmitErrorCounter(CAN_TypeDef* CANx)
+{
+ uint8_t counter=0;
+
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+
+ /* Get the LSB of the 9-bit CANx Transmit Error Counter(TEC) */
+ counter = (uint8_t)((CANx->ESR & CAN_ESR_TEC)>> 16);
+
+ /* Return the LSB of the 9-bit CANx Transmit Error Counter(TEC) */
+ return counter;
+}
+/**
+ * @}
+ */
+
+/** @defgroup CAN_Group6 Interrupts and flags management functions
+ * @brief Interrupts and flags management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Interrupts and flags management functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to configure the CAN Interrupts
+ and to get the status and clear flags and Interrupts pending bits.
+ [..] The CAN provides 14 Interrupts sources and 15 Flags:
+
+ *** Flags ***
+ =============
+ [..] The 15 flags can be divided on 4 groups:
+ (+) Transmit Flags:
+ (++) CAN_FLAG_RQCP0.
+ (++) CAN_FLAG_RQCP1.
+ (++) CAN_FLAG_RQCP2: Request completed MailBoxes 0, 1 and 2 Flags
+ Set when when the last request (transmit or abort) has
+ been performed.
+ (+) Receive Flags:
+ (++) CAN_FLAG_FMP0.
+ (++) CAN_FLAG_FMP1: FIFO 0 and 1 Message Pending Flags;
+ Set to signal that messages are pending in the receive FIFO.
+ These Flags are cleared only by hardware.
+ (++) CAN_FLAG_FF0.
+ (++) CAN_FLAG_FF1: FIFO 0 and 1 Full Flags;
+ Set when three messages are stored in the selected FIFO.
+ (++) CAN_FLAG_FOV0.
+ (++) CAN_FLAG_FOV1: FIFO 0 and 1 Overrun Flags;
+ Set when a new message has been received and passed the filter
+ while the FIFO was full.
+ (+) Operating Mode Flags:
+ (++) CAN_FLAG_WKU: Wake up Flag;
+ Set to signal that a SOF bit has been detected while the CAN
+ hardware was in Sleep mode.
+ (++) CAN_FLAG_SLAK: Sleep acknowledge Flag;
+ Set to signal that the CAN has entered Sleep Mode.
+ (+) Error Flags:
+ (++) CAN_FLAG_EWG: Error Warning Flag;
+ Set when the warning limit has been reached (Receive Error Counter
+ or Transmit Error Counter greater than 96).
+ This Flag is cleared only by hardware.
+ (++) CAN_FLAG_EPV: Error Passive Flag;
+ Set when the Error Passive limit has been reached (Receive Error
+ Counter or Transmit Error Counter greater than 127).
+ This Flag is cleared only by hardware.
+ (++) CAN_FLAG_BOF: Bus-Off Flag;
+ Set when CAN enters the bus-off state. The bus-off state is
+ entered on TEC overflow, greater than 255.
+ This Flag is cleared only by hardware.
+ (++) CAN_FLAG_LEC: Last error code Flag;
+ Set If a message has been transferred (reception or transmission)
+ with error, and the error code is hold.
+
+ *** Interrupts ***
+ ==================
+ [..] The 14 interrupts can be divided on 4 groups:
+ (+) Transmit interrupt:
+ (++) CAN_IT_TME: Transmit mailbox empty Interrupt;
+ If enabled, this interrupt source is pending when no transmit
+ request are pending for Tx mailboxes.
+ (+) Receive Interrupts:
+ (++) CAN_IT_FMP0.
+ (++) CAN_IT_FMP1: FIFO 0 and FIFO1 message pending Interrupts;
+ If enabled, these interrupt sources are pending when messages
+ are pending in the receive FIFO.
+ The corresponding interrupt pending bits are cleared only by hardware.
+ (++) CAN_IT_FF0.
+ (++) CAN_IT_FF1: FIFO 0 and FIFO1 full Interrupts;
+ If enabled, these interrupt sources are pending when three messages
+ are stored in the selected FIFO.
+ (++) CAN_IT_FOV0.
+ (++) CAN_IT_FOV1: FIFO 0 and FIFO1 overrun Interrupts;
+ If enabled, these interrupt sources are pending when a new message
+ has been received and passed the filter while the FIFO was full.
+ (+) Operating Mode Interrupts:
+ (++) CAN_IT_WKU: Wake-up Interrupt;
+ If enabled, this interrupt source is pending when a SOF bit has
+ been detected while the CAN hardware was in Sleep mode.
+ (++) CAN_IT_SLK: Sleep acknowledge Interrupt:
+ If enabled, this interrupt source is pending when the CAN has
+ entered Sleep Mode.
+ (+) Error Interrupts:
+ (++) CAN_IT_EWG: Error warning Interrupt;
+ If enabled, this interrupt source is pending when the warning limit
+ has been reached (Receive Error Counter or Transmit Error Counter=96).
+ (++) CAN_IT_EPV: Error passive Interrupt;
+ If enabled, this interrupt source is pending when the Error Passive
+ limit has been reached (Receive Error Counter or Transmit Error Counter>127).
+ (++) CAN_IT_BOF: Bus-off Interrupt;
+ If enabled, this interrupt source is pending when CAN enters
+ the bus-off state. The bus-off state is entered on TEC overflow,
+ greater than 255.
+ This Flag is cleared only by hardware.
+ (++) CAN_IT_LEC: Last error code Interrupt;
+ If enabled, this interrupt source is pending when a message has
+ been transferred (reception or transmission) with error and the
+ error code is hold.
+ (++) CAN_IT_ERR: Error Interrupt;
+ If enabled, this interrupt source is pending when an error condition
+ is pending.
+ [..] Managing the CAN controller events:
+ The user should identify which mode will be used in his application to manage
+ the CAN controller events: Polling mode or Interrupt mode.
+ (+) In the Polling Mode it is advised to use the following functions:
+ (++) CAN_GetFlagStatus() : to check if flags events occur.
+ (++) CAN_ClearFlag() : to clear the flags events.
+ (+) In the Interrupt Mode it is advised to use the following functions:
+ (++) CAN_ITConfig() : to enable or disable the interrupt source.
+ (++) CAN_GetITStatus() : to check if Interrupt occurs.
+ (++) CAN_ClearITPendingBit() : to clear the Interrupt pending Bit
+ (corresponding Flag).
+ This function has no impact on CAN_IT_FMP0 and CAN_IT_FMP1 Interrupts
+ pending bits since there are cleared only by hardware.
+
+@endverbatim
+ * @{
+ */
+/**
+ * @brief Enables or disables the specified CANx interrupts.
+ * @param CANx: where x can be 1 or 2 to to select the CAN peripheral.
+ * @param CAN_IT: specifies the CAN interrupt sources to be enabled or disabled.
+ * This parameter can be:
+ * @arg CAN_IT_TME: Transmit mailbox empty Interrupt
+ * @arg CAN_IT_FMP0: FIFO 0 message pending Interrupt
+ * @arg CAN_IT_FF0: FIFO 0 full Interrupt
+ * @arg CAN_IT_FOV0: FIFO 0 overrun Interrupt
+ * @arg CAN_IT_FMP1: FIFO 1 message pending Interrupt
+ * @arg CAN_IT_FF1: FIFO 1 full Interrupt
+ * @arg CAN_IT_FOV1: FIFO 1 overrun Interrupt
+ * @arg CAN_IT_WKU: Wake-up Interrupt
+ * @arg CAN_IT_SLK: Sleep acknowledge Interrupt
+ * @arg CAN_IT_EWG: Error warning Interrupt
+ * @arg CAN_IT_EPV: Error passive Interrupt
+ * @arg CAN_IT_BOF: Bus-off Interrupt
+ * @arg CAN_IT_LEC: Last error code Interrupt
+ * @arg CAN_IT_ERR: Error Interrupt
+ * @param NewState: new state of the CAN interrupts.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void CAN_ITConfig(CAN_TypeDef* CANx, uint32_t CAN_IT, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+ assert_param(IS_CAN_IT(CAN_IT));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected CANx interrupt */
+ CANx->IER |= CAN_IT;
+ }
+ else
+ {
+ /* Disable the selected CANx interrupt */
+ CANx->IER &= ~CAN_IT;
+ }
+}
+/**
+ * @brief Checks whether the specified CAN flag is set or not.
+ * @param CANx: where x can be 1 or 2 to to select the CAN peripheral.
+ * @param CAN_FLAG: specifies the flag to check.
+ * This parameter can be one of the following values:
+ * @arg CAN_FLAG_RQCP0: Request MailBox0 Flag
+ * @arg CAN_FLAG_RQCP1: Request MailBox1 Flag
+ * @arg CAN_FLAG_RQCP2: Request MailBox2 Flag
+ * @arg CAN_FLAG_FMP0: FIFO 0 Message Pending Flag
+ * @arg CAN_FLAG_FF0: FIFO 0 Full Flag
+ * @arg CAN_FLAG_FOV0: FIFO 0 Overrun Flag
+ * @arg CAN_FLAG_FMP1: FIFO 1 Message Pending Flag
+ * @arg CAN_FLAG_FF1: FIFO 1 Full Flag
+ * @arg CAN_FLAG_FOV1: FIFO 1 Overrun Flag
+ * @arg CAN_FLAG_WKU: Wake up Flag
+ * @arg CAN_FLAG_SLAK: Sleep acknowledge Flag
+ * @arg CAN_FLAG_EWG: Error Warning Flag
+ * @arg CAN_FLAG_EPV: Error Passive Flag
+ * @arg CAN_FLAG_BOF: Bus-Off Flag
+ * @arg CAN_FLAG_LEC: Last error code Flag
+ * @retval The new state of CAN_FLAG (SET or RESET).
+ */
+FlagStatus CAN_GetFlagStatus(CAN_TypeDef* CANx, uint32_t CAN_FLAG)
+{
+ FlagStatus bitstatus = RESET;
+
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+ assert_param(IS_CAN_GET_FLAG(CAN_FLAG));
+
+
+ if((CAN_FLAG & CAN_FLAGS_ESR) != (uint32_t)RESET)
+ {
+ /* Check the status of the specified CAN flag */
+ if ((CANx->ESR & (CAN_FLAG & 0x000FFFFF)) != (uint32_t)RESET)
+ {
+ /* CAN_FLAG is set */
+ bitstatus = SET;
+ }
+ else
+ {
+ /* CAN_FLAG is reset */
+ bitstatus = RESET;
+ }
+ }
+ else if((CAN_FLAG & CAN_FLAGS_MSR) != (uint32_t)RESET)
+ {
+ /* Check the status of the specified CAN flag */
+ if ((CANx->MSR & (CAN_FLAG & 0x000FFFFF)) != (uint32_t)RESET)
+ {
+ /* CAN_FLAG is set */
+ bitstatus = SET;
+ }
+ else
+ {
+ /* CAN_FLAG is reset */
+ bitstatus = RESET;
+ }
+ }
+ else if((CAN_FLAG & CAN_FLAGS_TSR) != (uint32_t)RESET)
+ {
+ /* Check the status of the specified CAN flag */
+ if ((CANx->TSR & (CAN_FLAG & 0x000FFFFF)) != (uint32_t)RESET)
+ {
+ /* CAN_FLAG is set */
+ bitstatus = SET;
+ }
+ else
+ {
+ /* CAN_FLAG is reset */
+ bitstatus = RESET;
+ }
+ }
+ else if((CAN_FLAG & CAN_FLAGS_RF0R) != (uint32_t)RESET)
+ {
+ /* Check the status of the specified CAN flag */
+ if ((CANx->RF0R & (CAN_FLAG & 0x000FFFFF)) != (uint32_t)RESET)
+ {
+ /* CAN_FLAG is set */
+ bitstatus = SET;
+ }
+ else
+ {
+ /* CAN_FLAG is reset */
+ bitstatus = RESET;
+ }
+ }
+ else /* If(CAN_FLAG & CAN_FLAGS_RF1R != (uint32_t)RESET) */
+ {
+ /* Check the status of the specified CAN flag */
+ if ((uint32_t)(CANx->RF1R & (CAN_FLAG & 0x000FFFFF)) != (uint32_t)RESET)
+ {
+ /* CAN_FLAG is set */
+ bitstatus = SET;
+ }
+ else
+ {
+ /* CAN_FLAG is reset */
+ bitstatus = RESET;
+ }
+ }
+ /* Return the CAN_FLAG status */
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the CAN's pending flags.
+ * @param CANx: where x can be 1 or 2 to to select the CAN peripheral.
+ * @param CAN_FLAG: specifies the flag to clear.
+ * This parameter can be one of the following values:
+ * @arg CAN_FLAG_RQCP0: Request MailBox0 Flag
+ * @arg CAN_FLAG_RQCP1: Request MailBox1 Flag
+ * @arg CAN_FLAG_RQCP2: Request MailBox2 Flag
+ * @arg CAN_FLAG_FF0: FIFO 0 Full Flag
+ * @arg CAN_FLAG_FOV0: FIFO 0 Overrun Flag
+ * @arg CAN_FLAG_FF1: FIFO 1 Full Flag
+ * @arg CAN_FLAG_FOV1: FIFO 1 Overrun Flag
+ * @arg CAN_FLAG_WKU: Wake up Flag
+ * @arg CAN_FLAG_SLAK: Sleep acknowledge Flag
+ * @arg CAN_FLAG_LEC: Last error code Flag
+ * @retval None
+ */
+void CAN_ClearFlag(CAN_TypeDef* CANx, uint32_t CAN_FLAG)
+{
+ uint32_t flagtmp=0;
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+ assert_param(IS_CAN_CLEAR_FLAG(CAN_FLAG));
+
+ if (CAN_FLAG == CAN_FLAG_LEC) /* ESR register */
+ {
+ /* Clear the selected CAN flags */
+ CANx->ESR = (uint32_t)RESET;
+ }
+ else /* MSR or TSR or RF0R or RF1R */
+ {
+ flagtmp = CAN_FLAG & 0x000FFFFF;
+
+ if ((CAN_FLAG & CAN_FLAGS_RF0R)!=(uint32_t)RESET)
+ {
+ /* Receive Flags */
+ CANx->RF0R = (uint32_t)(flagtmp);
+ }
+ else if ((CAN_FLAG & CAN_FLAGS_RF1R)!=(uint32_t)RESET)
+ {
+ /* Receive Flags */
+ CANx->RF1R = (uint32_t)(flagtmp);
+ }
+ else if ((CAN_FLAG & CAN_FLAGS_TSR)!=(uint32_t)RESET)
+ {
+ /* Transmit Flags */
+ CANx->TSR = (uint32_t)(flagtmp);
+ }
+ else /* If((CAN_FLAG & CAN_FLAGS_MSR)!=(uint32_t)RESET) */
+ {
+ /* Operating mode Flags */
+ CANx->MSR = (uint32_t)(flagtmp);
+ }
+ }
+}
+
+/**
+ * @brief Checks whether the specified CANx interrupt has occurred or not.
+ * @param CANx: where x can be 1 or 2 to to select the CAN peripheral.
+ * @param CAN_IT: specifies the CAN interrupt source to check.
+ * This parameter can be one of the following values:
+ * @arg CAN_IT_TME: Transmit mailbox empty Interrupt
+ * @arg CAN_IT_FMP0: FIFO 0 message pending Interrupt
+ * @arg CAN_IT_FF0: FIFO 0 full Interrupt
+ * @arg CAN_IT_FOV0: FIFO 0 overrun Interrupt
+ * @arg CAN_IT_FMP1: FIFO 1 message pending Interrupt
+ * @arg CAN_IT_FF1: FIFO 1 full Interrupt
+ * @arg CAN_IT_FOV1: FIFO 1 overrun Interrupt
+ * @arg CAN_IT_WKU: Wake-up Interrupt
+ * @arg CAN_IT_SLK: Sleep acknowledge Interrupt
+ * @arg CAN_IT_EWG: Error warning Interrupt
+ * @arg CAN_IT_EPV: Error passive Interrupt
+ * @arg CAN_IT_BOF: Bus-off Interrupt
+ * @arg CAN_IT_LEC: Last error code Interrupt
+ * @arg CAN_IT_ERR: Error Interrupt
+ * @retval The current state of CAN_IT (SET or RESET).
+ */
+ITStatus CAN_GetITStatus(CAN_TypeDef* CANx, uint32_t CAN_IT)
+{
+ ITStatus itstatus = RESET;
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+ assert_param(IS_CAN_IT(CAN_IT));
+
+ /* check the interrupt enable bit */
+ if((CANx->IER & CAN_IT) != RESET)
+ {
+ /* in case the Interrupt is enabled, .... */
+ switch (CAN_IT)
+ {
+ case CAN_IT_TME:
+ /* Check CAN_TSR_RQCPx bits */
+ itstatus = CheckITStatus(CANx->TSR, CAN_TSR_RQCP0|CAN_TSR_RQCP1|CAN_TSR_RQCP2);
+ break;
+ case CAN_IT_FMP0:
+ /* Check CAN_RF0R_FMP0 bit */
+ itstatus = CheckITStatus(CANx->RF0R, CAN_RF0R_FMP0);
+ break;
+ case CAN_IT_FF0:
+ /* Check CAN_RF0R_FULL0 bit */
+ itstatus = CheckITStatus(CANx->RF0R, CAN_RF0R_FULL0);
+ break;
+ case CAN_IT_FOV0:
+ /* Check CAN_RF0R_FOVR0 bit */
+ itstatus = CheckITStatus(CANx->RF0R, CAN_RF0R_FOVR0);
+ break;
+ case CAN_IT_FMP1:
+ /* Check CAN_RF1R_FMP1 bit */
+ itstatus = CheckITStatus(CANx->RF1R, CAN_RF1R_FMP1);
+ break;
+ case CAN_IT_FF1:
+ /* Check CAN_RF1R_FULL1 bit */
+ itstatus = CheckITStatus(CANx->RF1R, CAN_RF1R_FULL1);
+ break;
+ case CAN_IT_FOV1:
+ /* Check CAN_RF1R_FOVR1 bit */
+ itstatus = CheckITStatus(CANx->RF1R, CAN_RF1R_FOVR1);
+ break;
+ case CAN_IT_WKU:
+ /* Check CAN_MSR_WKUI bit */
+ itstatus = CheckITStatus(CANx->MSR, CAN_MSR_WKUI);
+ break;
+ case CAN_IT_SLK:
+ /* Check CAN_MSR_SLAKI bit */
+ itstatus = CheckITStatus(CANx->MSR, CAN_MSR_SLAKI);
+ break;
+ case CAN_IT_EWG:
+ /* Check CAN_ESR_EWGF bit */
+ itstatus = CheckITStatus(CANx->ESR, CAN_ESR_EWGF);
+ break;
+ case CAN_IT_EPV:
+ /* Check CAN_ESR_EPVF bit */
+ itstatus = CheckITStatus(CANx->ESR, CAN_ESR_EPVF);
+ break;
+ case CAN_IT_BOF:
+ /* Check CAN_ESR_BOFF bit */
+ itstatus = CheckITStatus(CANx->ESR, CAN_ESR_BOFF);
+ break;
+ case CAN_IT_LEC:
+ /* Check CAN_ESR_LEC bit */
+ itstatus = CheckITStatus(CANx->ESR, CAN_ESR_LEC);
+ break;
+ case CAN_IT_ERR:
+ /* Check CAN_MSR_ERRI bit */
+ itstatus = CheckITStatus(CANx->MSR, CAN_MSR_ERRI);
+ break;
+ default:
+ /* in case of error, return RESET */
+ itstatus = RESET;
+ break;
+ }
+ }
+ else
+ {
+ /* in case the Interrupt is not enabled, return RESET */
+ itstatus = RESET;
+ }
+
+ /* Return the CAN_IT status */
+ return itstatus;
+}
+
+/**
+ * @brief Clears the CANx's interrupt pending bits.
+ * @param CANx: where x can be 1 or 2 to to select the CAN peripheral.
+ * @param CAN_IT: specifies the interrupt pending bit to clear.
+ * This parameter can be one of the following values:
+ * @arg CAN_IT_TME: Transmit mailbox empty Interrupt
+ * @arg CAN_IT_FF0: FIFO 0 full Interrupt
+ * @arg CAN_IT_FOV0: FIFO 0 overrun Interrupt
+ * @arg CAN_IT_FF1: FIFO 1 full Interrupt
+ * @arg CAN_IT_FOV1: FIFO 1 overrun Interrupt
+ * @arg CAN_IT_WKU: Wake-up Interrupt
+ * @arg CAN_IT_SLK: Sleep acknowledge Interrupt
+ * @arg CAN_IT_EWG: Error warning Interrupt
+ * @arg CAN_IT_EPV: Error passive Interrupt
+ * @arg CAN_IT_BOF: Bus-off Interrupt
+ * @arg CAN_IT_LEC: Last error code Interrupt
+ * @arg CAN_IT_ERR: Error Interrupt
+ * @retval None
+ */
+void CAN_ClearITPendingBit(CAN_TypeDef* CANx, uint32_t CAN_IT)
+{
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+ assert_param(IS_CAN_CLEAR_IT(CAN_IT));
+
+ switch (CAN_IT)
+ {
+ case CAN_IT_TME:
+ /* Clear CAN_TSR_RQCPx (rc_w1)*/
+ CANx->TSR = CAN_TSR_RQCP0|CAN_TSR_RQCP1|CAN_TSR_RQCP2;
+ break;
+ case CAN_IT_FF0:
+ /* Clear CAN_RF0R_FULL0 (rc_w1)*/
+ CANx->RF0R = CAN_RF0R_FULL0;
+ break;
+ case CAN_IT_FOV0:
+ /* Clear CAN_RF0R_FOVR0 (rc_w1)*/
+ CANx->RF0R = CAN_RF0R_FOVR0;
+ break;
+ case CAN_IT_FF1:
+ /* Clear CAN_RF1R_FULL1 (rc_w1)*/
+ CANx->RF1R = CAN_RF1R_FULL1;
+ break;
+ case CAN_IT_FOV1:
+ /* Clear CAN_RF1R_FOVR1 (rc_w1)*/
+ CANx->RF1R = CAN_RF1R_FOVR1;
+ break;
+ case CAN_IT_WKU:
+ /* Clear CAN_MSR_WKUI (rc_w1)*/
+ CANx->MSR = CAN_MSR_WKUI;
+ break;
+ case CAN_IT_SLK:
+ /* Clear CAN_MSR_SLAKI (rc_w1)*/
+ CANx->MSR = CAN_MSR_SLAKI;
+ break;
+ case CAN_IT_EWG:
+ /* Clear CAN_MSR_ERRI (rc_w1) */
+ CANx->MSR = CAN_MSR_ERRI;
+ /* @note the corresponding Flag is cleared by hardware depending on the CAN Bus status*/
+ break;
+ case CAN_IT_EPV:
+ /* Clear CAN_MSR_ERRI (rc_w1) */
+ CANx->MSR = CAN_MSR_ERRI;
+ /* @note the corresponding Flag is cleared by hardware depending on the CAN Bus status*/
+ break;
+ case CAN_IT_BOF:
+ /* Clear CAN_MSR_ERRI (rc_w1) */
+ CANx->MSR = CAN_MSR_ERRI;
+ /* @note the corresponding Flag is cleared by hardware depending on the CAN Bus status*/
+ break;
+ case CAN_IT_LEC:
+ /* Clear LEC bits */
+ CANx->ESR = RESET;
+ /* Clear CAN_MSR_ERRI (rc_w1) */
+ CANx->MSR = CAN_MSR_ERRI;
+ break;
+ case CAN_IT_ERR:
+ /*Clear LEC bits */
+ CANx->ESR = RESET;
+ /* Clear CAN_MSR_ERRI (rc_w1) */
+ CANx->MSR = CAN_MSR_ERRI;
+ /* @note BOFF, EPVF and EWGF Flags are cleared by hardware depending on the CAN Bus status*/
+ break;
+ default:
+ break;
+ }
+}
+ /**
+ * @}
+ */
+
+/**
+ * @brief Checks whether the CAN interrupt has occurred or not.
+ * @param CAN_Reg: specifies the CAN interrupt register to check.
+ * @param It_Bit: specifies the interrupt source bit to check.
+ * @retval The new state of the CAN Interrupt (SET or RESET).
+ */
+static ITStatus CheckITStatus(uint32_t CAN_Reg, uint32_t It_Bit)
+{
+ ITStatus pendingbitstatus = RESET;
+
+ if ((CAN_Reg & It_Bit) != (uint32_t)RESET)
+ {
+ /* CAN_IT is set */
+ pendingbitstatus = SET;
+ }
+ else
+ {
+ /* CAN_IT is reset */
+ pendingbitstatus = RESET;
+ }
+ return pendingbitstatus;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_cec.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_cec.c
new file mode 100644
index 00000000..f49e8b9d
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_cec.c
@@ -0,0 +1,607 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_cec.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the Consumer Electronics Control (CEC) peripheral
+ * applicable only on STM32F051, STM32F042 and STM32F072 devices:
+ * + Initialization and Configuration
+ * + Data transfers functions
+ * + Interrupts and flags management
+ *
+ * @verbatim
+ ==============================================================================
+ ##### CEC features #####
+ ==============================================================================
+ [..] This device provides some features:
+ (#) Supports HDMI-CEC specification 1.4.
+ (#) Supports two source clocks(HSI/244 or LSE).
+ (#) Works in stop mode(without APB clock, but with CEC clock 32KHz).
+ It can genarate an interrupt in the CEC clock domain that the CPU
+ wakes up from the low power mode.
+ (#) Configurable Signal Free Time before of transmission start. The
+ number of nominal data bit periods waited before transmission can be
+ ruled by Hardware or Software.
+ (#) Configurable Peripheral Address (multi-addressing configuration).
+ (#) Supports listen mode.The CEC Messages addressed to different destination
+ can be received without interfering with CEC bus when Listen mode option is enabled.
+ (#) Configurable Rx-Tolerance(Standard and Extended tolerance margin).
+ (#) Error detection with configurable error bit generation.
+ (#) Arbitration lost error in the case of two CEC devices starting at the same time.
+
+ ##### How to use this driver #####
+ ==============================================================================
+ [..] This driver provides functions to configure and program the CEC device,
+ follow steps below:
+ (#) The source clock can be configured using:
+ (++) RCC_CECCLKConfig(RCC_CECCLK_HSI_Div244) for HSI(Default)
+ (++) RCC_CECCLKConfig(RCC_CECCLK_LSE) for LSE.
+ (#) Enable CEC peripheral clock using RCC_APBPeriphClockCmd(RCC_APBPeriph_CEC, ENABLE).
+ (#) Peripherals alternate function.
+ (++) Connect the pin to the desired peripherals' Alternate Function (AF) using
+ GPIO_PinAFConfig() function.
+ (++) Configure the desired pin in alternate function by:
+ GPIO_InitStruct->GPIO_Mode = GPIO_Mode_AF.
+ (++) Select the type open-drain and output speed via GPIO_OType
+ and GPIO_Speed members.
+ (++) Call GPIO_Init() function.
+ (#) Configure the Signal Free Time, Rx Tolerance, Stop reception generation
+ and Bit error generation using the CEC_Init() function.
+ The function CEC_Init() must be called when the CEC peripheral is disabled.
+ (#) Configure the CEC own address by calling the fuction CEC_OwnAddressConfig().
+ (#) Optionally, you can configure the Listen mode using the function CEC_ListenModeCmd().
+ (#) Enable the NVIC and the corresponding interrupt using the function
+ CEC_ITConfig() if you need to use interrupt mode.
+ CEC_ITConfig() must be called before enabling the CEC peripheral.
+ (#) Enable the CEC using the CEC_Cmd() function.
+ (#) Charge the first data byte in the TXDR register using CEC_SendDataByte().
+ (#) Enable the transmission of the Byte of a CEC message using CEC_StartOfMessage()
+ (#) Transmit single data through the CEC peripheral using CEC_SendDataByte()
+ and Receive the last transmitted byte using CEC_ReceiveDataByte().
+ (#) Enable the CEC_EndOfMessage() in order to indicate the last byte of the message.
+ [..]
+ (@) If the listen mode is enabled, Stop reception generation and Bit error generation
+ must be in reset state.
+ (@) If the CEC message consists of only 1 byte, the function CEC_EndOfMessage()
+ must be called before CEC_StartOfMessage().
+
+ @endverbatim
+ *
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_cec.h"
+#include "stm32f0xx_rcc.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup CEC
+ * @brief CEC driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+#define BROADCAST_ADDRESS ((uint32_t)0x0000F)
+#define CFGR_CLEAR_MASK ((uint32_t)0x7000FE00) /* CFGR register Mask */
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup CEC_Private_Functions
+ * @{
+ */
+
+/** @defgroup CEC_Group1 Initialization and Configuration functions
+ * @brief Initialization and Configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Initialization and Configuration functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to initialize:
+ (+) CEC own addresses
+ (+) CEC Signal Free Time
+ (+) CEC Rx Tolerance
+ (+) CEC Stop Reception
+ (+) CEC Bit Rising Error
+ (+) CEC Long Bit Period Error
+ [..] This section provides also a function to configure the CEC peripheral in Listen Mode.
+ Messages addressed to different destination can be received when Listen mode is
+ enabled without interfering with CEC bus.
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Deinitializes the CEC peripheral registers to their default reset values.
+ * @param None
+ * @retval None
+ */
+void CEC_DeInit(void)
+{
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_CEC, ENABLE);
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_CEC, DISABLE);
+}
+
+/**
+ * @brief Initializes the CEC peripheral according to the specified parameters
+ * in the CEC_InitStruct.
+ * @note The CEC parameters must be configured before enabling the CEC peripheral.
+ * @param CEC_InitStruct: pointer to an CEC_InitTypeDef structure that contains
+ * the configuration information for the specified CEC peripheral.
+ * @retval None
+ */
+void CEC_Init(CEC_InitTypeDef* CEC_InitStruct)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_CEC_SIGNAL_FREE_TIME(CEC_InitStruct->CEC_SignalFreeTime));
+ assert_param(IS_CEC_RX_TOLERANCE(CEC_InitStruct->CEC_RxTolerance));
+ assert_param(IS_CEC_STOP_RECEPTION(CEC_InitStruct->CEC_StopReception));
+ assert_param(IS_CEC_BIT_RISING_ERROR(CEC_InitStruct->CEC_BitRisingError));
+ assert_param(IS_CEC_LONG_BIT_PERIOD_ERROR(CEC_InitStruct->CEC_LongBitPeriodError));
+ assert_param(IS_CEC_BDR_NO_GEN_ERROR(CEC_InitStruct->CEC_BRDNoGen));
+ assert_param(IS_CEC_SFT_OPTION(CEC_InitStruct->CEC_SFTOption));
+
+ /* Get the CEC CFGR value */
+ tmpreg = CEC->CFGR;
+
+ /* Clear CFGR bits */
+ tmpreg &= CFGR_CLEAR_MASK;
+
+ /* Configure the CEC peripheral */
+ tmpreg |= (CEC_InitStruct->CEC_SignalFreeTime | CEC_InitStruct->CEC_RxTolerance |
+ CEC_InitStruct->CEC_StopReception | CEC_InitStruct->CEC_BitRisingError |
+ CEC_InitStruct->CEC_LongBitPeriodError| CEC_InitStruct->CEC_BRDNoGen |
+ CEC_InitStruct->CEC_SFTOption);
+
+ /* Write to CEC CFGR register */
+ CEC->CFGR = tmpreg;
+}
+
+/**
+ * @brief Fills each CEC_InitStruct member with its default value.
+ * @param CEC_InitStruct: pointer to a CEC_InitTypeDef structure which will
+ * be initialized.
+ * @retval None
+ */
+void CEC_StructInit(CEC_InitTypeDef* CEC_InitStruct)
+{
+ CEC_InitStruct->CEC_SignalFreeTime = CEC_SignalFreeTime_Standard;
+ CEC_InitStruct->CEC_RxTolerance = CEC_RxTolerance_Standard;
+ CEC_InitStruct->CEC_StopReception = CEC_StopReception_Off;
+ CEC_InitStruct->CEC_BitRisingError = CEC_BitRisingError_Off;
+ CEC_InitStruct->CEC_LongBitPeriodError = CEC_LongBitPeriodError_Off;
+ CEC_InitStruct->CEC_BRDNoGen = CEC_BRDNoGen_Off;
+ CEC_InitStruct->CEC_SFTOption = CEC_SFTOption_Off;
+}
+
+/**
+ * @brief Enables or disables the CEC peripheral.
+ * @param NewState: new state of the CEC peripheral.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void CEC_Cmd(FunctionalState NewState)
+{
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the CEC peripheral */
+ CEC->CR |= CEC_CR_CECEN;
+ }
+ else
+ {
+ /* Disable the CEC peripheral */
+ CEC->CR &= ~CEC_CR_CECEN;
+ }
+}
+
+/**
+ * @brief Enables or disables the CEC Listen Mode.
+ * @param NewState: new state of the Listen Mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void CEC_ListenModeCmd(FunctionalState NewState)
+{
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the Listen Mode */
+ CEC->CFGR |= CEC_CFGR_LSTN;
+ }
+ else
+ {
+ /* Disable the Listen Mode */
+ CEC->CFGR &= ~CEC_CFGR_LSTN;
+ }
+}
+
+/**
+ * @brief Defines the Own Address of the CEC device.
+ * @param CEC_OwnAddress: The CEC own address.
+ * @retval None
+ */
+void CEC_OwnAddressConfig(uint8_t CEC_OwnAddress)
+{
+ uint32_t tmp =0x00;
+ /* Check the parameters */
+ assert_param(IS_CEC_ADDRESS(CEC_OwnAddress));
+ tmp = 1 <<(CEC_OwnAddress + 16);
+ /* Set the CEC own address */
+ CEC->CFGR |= tmp;
+}
+
+/**
+ * @brief Clears the Own Address of the CEC device.
+ * @param CEC_OwnAddress: The CEC own address.
+ * @retval None
+ */
+void CEC_OwnAddressClear(void)
+{
+ /* Set the CEC own address */
+ CEC->CFGR = 0x0;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup CEC_Group2 Data transfers functions
+ * @brief Data transfers functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Data transfers functions #####
+ ===============================================================================
+ [..] This section provides functions allowing the CEC data transfers.The read
+ access of the CEC_RXDR register can be done using the CEC_ReceiveData()function
+ and returns the Rx buffered value. Whereas a write access to the CEC_TXDR can be
+ done using CEC_SendData() function.
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Transmits single data through the CEC peripheral.
+ * @param Data: the data to transmit.
+ * @retval None
+ */
+void CEC_SendData(uint8_t Data)
+{
+ /* Transmit Data */
+ CEC->TXDR = Data;
+}
+
+/**
+ * @brief Returns the most recent received data by the CEC peripheral.
+ * @param None
+ * @retval The received data.
+ */
+uint8_t CEC_ReceiveData(void)
+{
+ /* Receive Data */
+ return (uint8_t)(CEC->RXDR);
+}
+
+/**
+ * @brief Starts a new message.
+ * @param None
+ * @retval None
+ */
+void CEC_StartOfMessage(void)
+{
+ /* Starts of new message */
+ CEC->CR |= CEC_CR_TXSOM;
+}
+
+/**
+ * @brief Transmits message with an EOM bit.
+ * @param None
+ * @retval None
+ */
+void CEC_EndOfMessage(void)
+{
+ /* The data byte will be transmitted with an EOM bit */
+ CEC->CR |= CEC_CR_TXEOM;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup CEC_Group3 Interrupts and flags management functions
+ * @brief Interrupts and flags management functions
+*
+@verbatim
+ ===============================================================================
+ ##### Interrupts and flags management functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to configure the CEC Interrupts
+ sources and check or clear the flags or pending bits status.
+ [..] The user should identify which mode will be used in his application to manage
+ the communication: Polling mode or Interrupt mode.
+
+ [..] In polling mode, the CEC can be managed by the following flags:
+ (+) CEC_FLAG_TXACKE : to indicate a missing acknowledge in transmission mode.
+ (+) CEC_FLAG_TXERR : to indicate an error occurs during transmission mode.
+ The initiator detects low impedance in the CEC line.
+ (+) CEC_FLAG_TXUDR : to indicate if an underrun error occurs in transmission mode.
+ The transmission is enabled while the software has not yet
+ loaded any value into the TXDR register.
+ (+) CEC_FLAG_TXEND : to indicate the end of successful transmission.
+ (+) CEC_FLAG_TXBR : to indicate the next transmission data has to be written to TXDR.
+ (+) CEC_FLAG_ARBLST : to indicate arbitration lost in the case of two CEC devices
+ starting at the same time.
+ (+) CEC_FLAG_RXACKE : to indicate a missing acknowledge in receive mode.
+ (+) CEC_FLAG_LBPE : to indicate a long bit period error generated during receive mode.
+ (+) CEC_FLAG_SBPE : to indicate a short bit period error generated during receive mode.
+ (+) CEC_FLAG_BRE : to indicate a bit rising error generated during receive mode.
+ (+) CEC_FLAG_RXOVR : to indicate if an overrun error occur while receiving a CEC message.
+ A byte is not yet received while a new byte is stored in the RXDR register.
+ (+) CEC_FLAG_RXEND : to indicate the end Of reception
+ (+) CEC_FLAG_RXBR : to indicate a new byte has been received from the CEC line and
+ stored into the RXDR buffer.
+ [..]
+ (@)In this Mode, it is advised to use the following functions:
+ FlagStatus CEC_GetFlagStatus(uint16_t CEC_FLAG);
+ void CEC_ClearFlag(uint16_t CEC_FLAG);
+
+ [..] In Interrupt mode, the CEC can be managed by the following interrupt sources:
+ (+) CEC_IT_TXACKE : to indicate a TX Missing acknowledge
+ (+) CEC_IT_TXACKE : to indicate a missing acknowledge in transmission mode.
+ (+) CEC_IT_TXERR : to indicate an error occurs during transmission mode.
+ The initiator detects low impedance in the CEC line.
+ (+) CEC_IT_TXUDR : to indicate if an underrun error occurs in transmission mode.
+ The transmission is enabled while the software has not yet
+ loaded any value into the TXDR register.
+ (+) CEC_IT_TXEND : to indicate the end of successful transmission.
+ (+) CEC_IT_TXBR : to indicate the next transmission data has to be written to TXDR register.
+ (+) CEC_IT_ARBLST : to indicate arbitration lost in the case of two CEC devices
+ starting at the same time.
+ (+) CEC_IT_RXACKE : to indicate a missing acknowledge in receive mode.
+ (+) CEC_IT_LBPE : to indicate a long bit period error generated during receive mode.
+ (+) CEC_IT_SBPE : to indicate a short bit period error generated during receive mode.
+ (+) CEC_IT_BRE : to indicate a bit rising error generated during receive mode.
+ (+) CEC_IT_RXOVR : to indicate if an overrun error occur while receiving a CEC message.
+ A byte is not yet received while a new byte is stored in the RXDR register.
+ (+) CEC_IT_RXEND : to indicate the end Of reception
+ (+) CEC_IT_RXBR : to indicate a new byte has been received from the CEC line and
+ stored into the RXDR buffer.
+ [..]
+ (@)In this Mode it is advised to use the following functions:
+ void CEC_ITConfig( uint16_t CEC_IT, FunctionalState NewState);
+ ITStatus CEC_GetITStatus(uint16_t CEC_IT);
+ void CEC_ClearITPendingBit(uint16_t CEC_IT);
+
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the selected CEC interrupts.
+ * @param CEC_IT: specifies the CEC interrupt source to be enabled.
+ * This parameter can be any combination of the following values:
+ * @arg CEC_IT_TXACKE: Tx Missing acknowledge Error
+ * @arg CEC_IT_TXERR: Tx Error.
+ * @arg CEC_IT_TXUDR: Tx-Buffer Underrun.
+ * @arg CEC_IT_TXEND: End of Transmission (successful transmission of the last byte).
+ * @arg CEC_IT_TXBR: Tx-Byte Request.
+ * @arg CEC_IT_ARBLST: Arbitration Lost
+ * @arg CEC_IT_RXACKE: Rx-Missing Acknowledge
+ * @arg CEC_IT_LBPE: Rx Long period Error
+ * @arg CEC_IT_SBPE: Rx Short period Error
+ * @arg CEC_IT_BRE: Rx Bit Rising Error
+ * @arg CEC_IT_RXOVR: Rx Overrun.
+ * @arg CEC_IT_RXEND: End Of Reception
+ * @arg CEC_IT_RXBR: Rx-Byte Received
+ * @param NewState: new state of the selected CEC interrupts.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void CEC_ITConfig(uint16_t CEC_IT, FunctionalState NewState)
+{
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+ assert_param(IS_CEC_IT(CEC_IT));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected CEC interrupt */
+ CEC->IER |= CEC_IT;
+ }
+ else
+ {
+ CEC_IT =~CEC_IT;
+ /* Disable the selected CEC interrupt */
+ CEC->IER &= CEC_IT;
+ }
+}
+
+/**
+ * @brief Gets the CEC flag status.
+ * @param CEC_FLAG: specifies the CEC flag to check.
+ * This parameter can be one of the following values:
+ * @arg CEC_FLAG_TXACKE: Tx Missing acknowledge Error
+ * @arg CEC_FLAG_TXERR: Tx Error.
+ * @arg CEC_FLAG_TXUDR: Tx-Buffer Underrun.
+ * @arg CEC_FLAG_TXEND: End of transmission (successful transmission of the last byte).
+ * @arg CEC_FLAG_TXBR: Tx-Byte Request.
+ * @arg CEC_FLAG_ARBLST: Arbitration Lost
+ * @arg CEC_FLAG_RXACKE: Rx-Missing Acknowledge
+ * @arg CEC_FLAG_LBPE: Rx Long period Error
+ * @arg CEC_FLAG_SBPE: Rx Short period Error
+ * @arg CEC_FLAG_BRE: Rx Bit Rissing Error
+ * @arg CEC_FLAG_RXOVR: Rx Overrun.
+ * @arg CEC_FLAG_RXEND: End Of Reception.
+ * @arg CEC_FLAG_RXBR: Rx-Byte Received.
+ * @retval The new state of CEC_FLAG (SET or RESET)
+ */
+FlagStatus CEC_GetFlagStatus(uint16_t CEC_FLAG)
+{
+ FlagStatus bitstatus = RESET;
+
+ assert_param(IS_CEC_GET_FLAG(CEC_FLAG));
+
+ /* Check the status of the specified CEC flag */
+ if ((CEC->ISR & CEC_FLAG) != (uint16_t)RESET)
+ {
+ /* CEC flag is set */
+ bitstatus = SET;
+ }
+ else
+ {
+ /* CEC flag is reset */
+ bitstatus = RESET;
+ }
+
+ /* Return the CEC flag status */
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the CEC's pending flags.
+ * @param CEC_FLAG: specifies the flag to clear.
+ * This parameter can be any combination of the following values:
+ * @arg CEC_FLAG_TXACKE: Tx Missing acknowledge Error
+ * @arg CEC_FLAG_TXERR: Tx Error
+ * @arg CEC_FLAG_TXUDR: Tx-Buffer Underrun
+ * @arg CEC_FLAG_TXEND: End of transmission (successful transmission of the last byte).
+ * @arg CEC_FLAG_TXBR: Tx-Byte Request
+ * @arg CEC_FLAG_ARBLST: Arbitration Lost
+ * @arg CEC_FLAG_RXACKE: Rx Missing Acknowledge
+ * @arg CEC_FLAG_LBPE: Rx Long period Error
+ * @arg CEC_FLAG_SBPE: Rx Short period Error
+ * @arg CEC_FLAG_BRE: Rx Bit Rising Error
+ * @arg CEC_FLAG_RXOVR: Rx Overrun
+ * @arg CEC_FLAG_RXEND: End Of Reception
+ * @arg CEC_FLAG_RXBR: Rx-Byte Received
+ * @retval None
+ */
+void CEC_ClearFlag(uint32_t CEC_FLAG)
+{
+ assert_param(IS_CEC_CLEAR_FLAG(CEC_FLAG));
+
+ /* Clear the selected CEC flag */
+ CEC->ISR = CEC_FLAG;
+}
+
+/**
+ * @brief Checks whether the specified CEC interrupt has occurred or not.
+ * @param CEC_IT: specifies the CEC interrupt source to check.
+ * This parameter can be one of the following values:
+ * @arg CEC_IT_TXACKE: Tx Missing acknowledge Error
+ * @arg CEC_IT_TXERR: Tx Error.
+ * @arg CEC_IT_TXUDR: Tx-Buffer Underrun.
+ * @arg CEC_IT_TXEND: End of transmission (successful transmission of the last byte).
+ * @arg CEC_IT_TXBR: Tx-Byte Request.
+ * @arg CEC_IT_ARBLST: Arbitration Lost.
+ * @arg CEC_IT_RXACKE: Rx-Missing Acknowledge.
+ * @arg CEC_IT_LBPE: Rx Long period Error.
+ * @arg CEC_IT_SBPE: Rx Short period Error.
+ * @arg CEC_IT_BRE: Rx Bit Rising Error.
+ * @arg CEC_IT_RXOVR: Rx Overrun.
+ * @arg CEC_IT_RXEND: End Of Reception.
+ * @arg CEC_IT_RXBR: Rx-Byte Received
+ * @retval The new state of CEC_IT (SET or RESET).
+ */
+ITStatus CEC_GetITStatus(uint16_t CEC_IT)
+{
+ ITStatus bitstatus = RESET;
+ uint32_t enablestatus = 0;
+
+ /* Check the parameters */
+ assert_param(IS_CEC_GET_IT(CEC_IT));
+
+ /* Get the CEC IT enable bit status */
+ enablestatus = (CEC->IER & CEC_IT);
+
+ /* Check the status of the specified CEC interrupt */
+ if (((CEC->ISR & CEC_IT) != (uint32_t)RESET) && enablestatus)
+ {
+ /* CEC interrupt is set */
+ bitstatus = SET;
+ }
+ else
+ {
+ /* CEC interrupt is reset */
+ bitstatus = RESET;
+ }
+
+ /* Return the CEC interrupt status */
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the CEC's interrupt pending bits.
+ * @param CEC_IT: specifies the CEC interrupt pending bit to clear.
+ * This parameter can be any combination of the following values:
+ * @arg CEC_IT_TXACKE: Tx Missing acknowledge Error
+ * @arg CEC_IT_TXERR: Tx Error
+ * @arg CEC_IT_TXUDR: Tx-Buffer Underrun
+ * @arg CEC_IT_TXEND: End of Transmission
+ * @arg CEC_IT_TXBR: Tx-Byte Request
+ * @arg CEC_IT_ARBLST: Arbitration Lost
+ * @arg CEC_IT_RXACKE: Rx-Missing Acknowledge
+ * @arg CEC_IT_LBPE: Rx Long period Error
+ * @arg CEC_IT_SBPE: Rx Short period Error
+ * @arg CEC_IT_BRE: Rx Bit Rising Error
+ * @arg CEC_IT_RXOVR: Rx Overrun
+ * @arg CEC_IT_RXEND: End Of Reception
+ * @arg CEC_IT_RXBR: Rx-Byte Received
+ * @retval None
+ */
+void CEC_ClearITPendingBit(uint16_t CEC_IT)
+{
+ assert_param(IS_CEC_IT(CEC_IT));
+
+ /* Clear the selected CEC interrupt pending bits */
+ CEC->ISR = CEC_IT;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_comp.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_comp.c
new file mode 100644
index 00000000..be7249e3
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_comp.c
@@ -0,0 +1,408 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_comp.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the comparators (COMP1 and COMP2) peripheral
+ * applicable only on STM32F051 and STM32F072 devices:
+ * + Comparators configuration
+ * + Window mode control
+ *
+ * @verbatim
+ *
+ ===============================================================================
+ ##### How to use this driver #####
+ ===============================================================================
+ [..]
+
+ The device integrates two analog comparators COMP1 and COMP2:
+ (+) The non inverting input is set to PA1 for COMP1 and to PA3
+ for COMP2.
+
+ (+) The inverting input can be selected among: DAC1_OUT, DAC2_OUT
+ 1/4 VREFINT, 1/2 VERFINT, 3/4 VREFINT, VREFINT,
+ I/O (PA0 for COMP1 and PA2 for COMP2)
+
+ (+) The COMP output is internally is available using COMP_GetOutputLevel()
+ and can be set on GPIO pins: PA0, PA6, PA11 for COMP1
+ and PA2, PA7, PA12 for COMP2
+
+ (+) The COMP output can be redirected to embedded timers (TIM1, TIM2
+ and TIM3)
+
+ (+) The two comparators COMP1 and COMP2 can be combined in window
+ mode and only COMP1 non inverting (PA1) can be used as non-
+ inverting input.
+
+ (+) The two comparators COMP1 and COMP2 have interrupt capability
+ with wake-up from Sleep and Stop modes (through the EXTI controller).
+ COMP1 and COMP2 outputs are internally connected to EXTI Line 21
+ and EXTI Line 22 respectively.
+
+
+ ##### How to configure the comparator #####
+ ===============================================================================
+ [..]
+ This driver provides functions to configure and program the Comparators
+ of all STM32F0xx devices.
+
+ [..] To use the comparator, perform the following steps:
+
+ (#) Enable the SYSCFG APB clock to get write access to comparator
+ register using RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
+
+ (#) Configure the comparator input in analog mode using GPIO_Init()
+
+ (#) Configure the comparator output in alternate function mode
+ using GPIO_Init() and use GPIO_PinAFConfig() function to map the
+ comparator output to the GPIO pin
+
+ (#) Configure the comparator using COMP_Init() function:
+ (++) Select the inverting input
+ (++) Select the output polarity
+ (++) Select the output redirection
+ (++) Select the hysteresis level
+ (++) Select the power mode
+
+ (#) Enable the comparator using COMP_Cmd() function
+
+ (#) If required enable the COMP interrupt by configuring and enabling
+ EXTI line in Interrupt mode and selecting the desired sensitivity
+ level using EXTI_Init() function. After that enable the comparator
+ interrupt vector using NVIC_Init() function.
+
+ @endverbatim
+ *
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_comp.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup COMP
+ * @brief COMP driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* CSR register Mask */
+#define COMP_CSR_CLEAR_MASK ((uint32_t)0x00003FFE)
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup COMP_Private_Functions
+ * @{
+ */
+
+/** @defgroup COMP_Group1 Initialization and Configuration functions
+ * @brief Initialization and Configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Initialization and Configuration functions #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Deinitializes COMP peripheral registers to their default reset values.
+ * @note Deinitialization can't be performed if the COMP configuration is locked.
+ * To unlock the configuration, perform a system reset.
+ * @param None
+ * @retval None
+ */
+void COMP_DeInit(void)
+{
+ COMP->CSR = ((uint32_t)0x00000000); /*!< Set COMP_CSR register to reset value */
+}
+
+/**
+ * @brief Initializes the COMP peripheral according to the specified parameters
+ * in COMP_InitStruct
+ * @note If the selected comparator is locked, initialization can't be performed.
+ * To unlock the configuration, perform a system reset.
+ * @note By default, PA1 is selected as COMP1 non inverting input.
+ * To use PA4 as COMP1 non inverting input call COMP_SwitchCmd() after COMP_Init()
+ * @param COMP_Selection: the selected comparator.
+ * This parameter can be one of the following values:
+ * @arg COMP_Selection_COMP1: COMP1 selected
+ * @arg COMP_Selection_COMP2: COMP2 selected
+ * @param COMP_InitStruct: pointer to an COMP_InitTypeDef structure that contains
+ * the configuration information for the specified COMP peripheral.
+ * @retval None
+ */
+void COMP_Init(uint32_t COMP_Selection, COMP_InitTypeDef* COMP_InitStruct)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_COMP_ALL_PERIPH(COMP_Selection));
+ assert_param(IS_COMP_INVERTING_INPUT(COMP_InitStruct->COMP_InvertingInput));
+ assert_param(IS_COMP_OUTPUT(COMP_InitStruct->COMP_Output));
+ assert_param(IS_COMP_OUTPUT_POL(COMP_InitStruct->COMP_OutputPol));
+ assert_param(IS_COMP_HYSTERESIS(COMP_InitStruct->COMP_Hysteresis));
+ assert_param(IS_COMP_MODE(COMP_InitStruct->COMP_Mode));
+
+ /*!< Get the COMP_CSR register value */
+ tmpreg = COMP->CSR;
+
+ /*!< Clear the COMP1SW1, COMPx_IN_SEL, COMPx_OUT_TIM_SEL, COMPx_POL, COMPx_HYST and COMPx_PWR_MODE bits */
+ tmpreg &= (uint32_t) ~(COMP_CSR_CLEAR_MASK<© COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_crs.h"
+#include "stm32f0xx_rcc.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup CRS
+ * @brief CRS driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* CRS Flag Mask */
+#define FLAG_MASK ((uint32_t)0x700)
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup CRS_Private_Functions
+ * @{
+ */
+
+/** @defgroup CRS_Group1 Configuration of the CRS functions
+ * @brief Configuration of the CRS functions
+ *
+@verbatim
+ ===============================================================================
+ ##### CRS configuration functions #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Deinitializes CRS peripheral registers to their default reset values.
+ * @param None
+ * @retval None
+ */
+void CRS_DeInit(void)
+{
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_CRS, ENABLE);
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_CRS, DISABLE);
+}
+
+/**
+ * @brief Adjusts the Internal High Speed 48 oscillator (HSI 48) calibration value.
+ * @note The calibration is used to compensate for the variations in voltage
+ * and temperature that influence the frequency of the internal HSI48 RC.
+ * @note This function can be called only when the AUTOTRIMEN bit is reset.
+ * @param CRS_HSI48CalibrationValue:
+ * @retval None
+ */
+void CRS_AdjustHSI48CalibrationValue(uint8_t CRS_HSI48CalibrationValue)
+{
+ /* Clear TRIM[5:0] bits */
+ CRS->CR &= ~CRS_CR_TRIM;
+
+ /* Set the TRIM[5:0] bits according to CRS_HSI48CalibrationValue value */
+ CRS->CR |= (uint32_t)((uint32_t)CRS_HSI48CalibrationValue << 8);
+
+}
+
+/**
+ * @brief Enables or disables the oscillator clock for frequency error counter.
+ * @note when the CEN bit is set the CRS_CFGR register becomes write-protected.
+ * @param NewState: new state of the frequency error counter.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void CRS_FrequencyErrorCounterCmd(FunctionalState NewState)
+{
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ CRS->CR |= CRS_CR_CEN;
+ }
+ else
+ {
+ CRS->CR &= ~CRS_CR_CEN;
+ }
+}
+
+/**
+ * @brief Enables or disables the automatic hardware adjustement of TRIM bits.
+ * @note When the AUTOTRIMEN bit is set the CRS_CFGR register becomes write-protected.
+ * @param NewState: new state of the automatic trimming.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void CRS_AutomaticCalibrationCmd(FunctionalState NewState)
+{
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ CRS->CR |= CRS_CR_AUTOTRIMEN;
+ }
+else
+ {
+ CRS->CR &= ~CRS_CR_AUTOTRIMEN;
+ }
+}
+
+/**
+ * @brief Generate the software synchronization event
+ * @param None
+ * @retval None
+ */
+void CRS_SoftwareSynchronizationGenerate(void)
+{
+ CRS->CR |= CRS_CR_SWSYNC;
+}
+
+/**
+ * @brief Adjusts the Internal High Speed 48 oscillator (HSI 48) calibration value.
+ * @note The calibration is used to compensate for the variations in voltage
+ * and temperature that influence the frequency of the internal HSI48 RC.
+ * @note This function can be called only when the CEN bit is reset.
+ * @param CRS_ReloadValue: specifies the HSI calibration trimming value.
+ * This parameter must be a number between 0 and .
+ * @retval None
+ */
+void CRS_FrequencyErrorCounterReload(uint32_t CRS_ReloadValue)
+{
+
+ /* Clear RELOAD[15:0] bits */
+ CRS->CFGR &= ~CRS_CFGR_RELOAD;
+
+ /* Set the RELOAD[15:0] bits according to CRS_ReloadValue value */
+ CRS->CFGR |= (uint32_t)CRS_ReloadValue;
+
+}
+
+/**
+ * @brief
+ * @note This function can be called only when the CEN bit is reset.
+ * @param CRS_ErrorLimitValue: specifies the HSI calibration trimming value.
+ * This parameter must be a number between 0 and .
+ * @retval None
+ */
+void CRS_FrequencyErrorLimitConfig(uint8_t CRS_ErrorLimitValue)
+{
+ /* Clear FELIM[7:0] bits */
+ CRS->CFGR &= ~CRS_CFGR_FELIM;
+
+ /* Set the FELIM[7:0] bits according to CRS_ErrorLimitValue value */
+ CRS->CFGR |= (uint32_t)CRS_ErrorLimitValue;
+}
+
+/**
+ * @brief
+ * @note This function can be called only when the CEN bit is reset.
+ * @param CRS_Prescaler: specifies the HSI calibration trimming value.
+ * This parameter can be one of the following values:
+ * @arg CRS_SYNC_Div1:
+ * @arg CRS_SYNC_Div2:
+ * @arg CRS_SYNC_Div4:
+ * @arg CRS_SYNC_Div8:
+ * @arg CRS_SYNC_Div16:
+ * @arg CRS_SYNC_Div32:
+ * @arg CRS_SYNC_Div64:
+ * @arg CRS_SYNC_Div128:
+ * @retval None
+ */
+void CRS_SynchronizationPrescalerConfig(uint32_t CRS_Prescaler)
+{
+ /* Check the parameters */
+ assert_param(IS_CRS_SYNC_DIV(CRS_Prescaler));
+
+ /* Clear SYNCDIV[2:0] bits */
+ CRS->CFGR &= ~CRS_CFGR_SYNCDIV;
+
+ /* Set the CRS_CFGR_SYNCDIV[2:0] bits according to CRS_Prescaler value */
+ CRS->CFGR |= CRS_Prescaler;
+}
+
+/**
+ * @brief
+ * @note This function can be called only when the CEN bit is reset.
+ * @param CRS_Source: .
+ * This parameter can be one of the following values:
+ * @arg CRS_SYNCSource_GPIO:
+ * @arg CRS_SYNCSource_LSE:
+ * @arg CRS_SYNCSource_USB:
+ * @retval None
+ */
+void CRS_SynchronizationSourceConfig(uint32_t CRS_Source)
+{
+ /* Check the parameters */
+ assert_param(IS_CRS_SYNC_SOURCE(CRS_Source));
+
+ /* Clear SYNCSRC[1:0] bits */
+ CRS->CFGR &= ~CRS_CFGR_SYNCSRC;
+
+ /* Set the SYNCSRC[1:0] bits according to CRS_Source value */
+ CRS->CFGR |= CRS_Source;
+}
+
+/**
+ * @brief
+ * @note This function can be called only when the CEN bit is reset.
+ * @param CRS_Polarity: .
+ * This parameter can be one of the following values:
+ * @arg CRS_SYNCPolarity_Rising:
+ * @arg CRS_SYNCPolarity_Falling:
+ * @retval None
+ */
+void CRS_SynchronizationPolarityConfig(uint32_t CRS_Polarity)
+{
+ /* Check the parameters */
+ assert_param(IS_CRS_SYNC_POLARITY(CRS_Polarity));
+
+ /* Clear SYNCSPOL bit */
+ CRS->CFGR &= ~CRS_CFGR_SYNCPOL;
+
+ /* Set the SYNCSPOL bits according to CRS_Polarity value */
+ CRS->CFGR |= CRS_Polarity;
+}
+
+/**
+ * @brief Returns the Relaod value.
+ * @param None
+ * @retval The reload value
+ */
+uint32_t CRS_GetReloadValue(void)
+{
+ return ((uint32_t)(CRS->CFGR & CRS_CFGR_RELOAD));
+}
+
+/**
+ * @brief Returns the HSI48 Calibration value.
+ * @param None
+ * @retval The reload value
+ */
+uint32_t CRS_GetHSI48CalibrationValue(void)
+{
+ return (((uint32_t)(CRS->CR & CRS_CR_TRIM)) >> 8);
+}
+
+/**
+ * @brief Returns the frequency error capture.
+ * @param None
+ * @retval The frequency error capture value
+ */
+uint32_t CRS_GetFrequencyErrorValue(void)
+{
+ return ((uint32_t)(CRS->ISR & CRS_ISR_FECAP));
+}
+
+/**
+ * @brief Returns the frequency error direction.
+ * @param None
+ * @retval The frequency error direction. The returned value can be one
+ * of the following values:
+ * - 0x00: Up counting
+ * - 0x8000: Down counting
+ */
+uint32_t CRS_GetFrequencyErrorDirection(void)
+{
+ return ((uint32_t)(CRS->ISR & CRS_ISR_FEDIR));
+}
+
+/** @defgroup CRS_Group2 Interrupts and flags management functions
+ * @brief Interrupts and flags management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Interrupts and flags management functions #####
+ ===============================================================================
+@endverbatim
+ * @{
+ */
+/**
+ * @brief Enables or disables the specified CRS interrupts.
+ * @param CRS_IT: specifies the RCC interrupt sources to be enabled or disabled.
+ * This parameter can be any combination of the following values:
+ * @arg CRS_IT_SYNCOK:
+ * @arg CRS_IT_SYNCWARN:
+ * @arg CRS_IT_ERR:
+ * @arg CRS_IT_ESYNC:
+ * @param NewState: new state of the specified CRS interrupts.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void CRS_ITConfig(uint32_t CRS_IT, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_CRS_IT(CRS_IT));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ CRS->CR |= CRS_IT;
+ }
+ else
+ {
+ CRS->CR &= ~CRS_IT;
+ }
+}
+
+/**
+ * @brief Checks whether the specified CRS flag is set or not.
+ * @param CRS_FLAG: specifies the flag to check.
+ * This parameter can be one of the following values:
+ * @arg CRS_FLAG_SYNCOK:
+ * @arg CRS_FLAG_SYNCWARN:
+ * @arg CRS_FLAG_ERR:
+ * @arg CRS_FLAG_ESYNC:
+ * @arg CRS_FLAG_TRIMOVF:
+ * @arg CRS_FLAG_SYNCERR:
+ * @arg CRS_FLAG_SYNCMISS:
+ * @retval The new state of CRS_FLAG (SET or RESET).
+ */
+FlagStatus CRS_GetFlagStatus(uint32_t CRS_FLAG)
+{
+ /* Check the parameters */
+ assert_param(IS_CRS_FLAG(CRS_FLAG));
+
+ return ((FlagStatus)(CRS->ISR & CRS_FLAG));
+}
+
+/**
+ * @brief Clears the CRS specified FLAG.
+ * @param CRS_FLAG: specifies the flag to check.
+ * This parameter can be one of the following values:
+ * @arg CRS_FLAG_SYNCOK:
+ * @arg CRS_FLAG_SYNCWARN:
+ * @arg CRS_FLAG_ERR:
+ * @arg CRS_FLAG_ESYNC:
+ * @arg CRS_FLAG_TRIMOVF:
+ * @arg CRS_FLAG_SYNCERR:
+ * @arg CRS_FLAG_SYNCMISS:
+ * @retval None
+ */
+void CRS_ClearFlag(uint32_t CRS_FLAG)
+{
+ /* Check the parameters */
+ assert_param(IS_CRS_FLAG(CRS_FLAG));
+
+ if ((CRS_FLAG & FLAG_MASK)!= 0)
+ {
+ CRS->ICR |= CRS_ICR_ERRC;
+ }
+ else
+ {
+ CRS->ICR |= CRS_FLAG;
+ }
+}
+
+/**
+ * @brief Checks whether the specified CRS IT pending bit is set or not.
+ * @param CRS_IT: specifies the IT pending bit to check.
+ * This parameter can be one of the following values:
+ * @arg CRS_IT_SYNCOK:
+ * @arg CRS_IT_SYNCWARN:
+ * @arg CRS_IT_ERR:
+ * @arg CRS_IT_ESYNC:
+ * @arg CRS_IT_TRIMOVF:
+ * @arg CRS_IT_SYNCERR:
+ * @arg CRS_IT_SYNCMISS:
+ * @retval The new state of CRS_IT (SET or RESET).
+ */
+ITStatus CRS_GetITStatus(uint32_t CRS_IT)
+{
+ /* Check the parameters */
+ assert_param(IS_CRS_GET_IT(CRS_IT));
+
+ return ((ITStatus)(CRS->ISR & CRS_IT));
+}
+
+/**
+ * @brief Clears the CRS specified IT pending bi.
+ * @param CRS_FLAG: specifies the IT pending bi to clear.
+ * This parameter can be one of the following values:
+ * @arg CRS_IT_SYNCOK:
+ * @arg CRS_IT_SYNCWARN:
+ * @arg CRS_IT_ERR:
+ * @arg CRS_IT_ESYNC:
+ * @arg CRS_IT_TRIMOVF:
+ * @arg CRS_IT_SYNCERR:
+ * @arg CRS_IT_SYNCMISS:
+ * @retval None
+ */
+void CRS_ClearITPendingBit(uint32_t CRS_IT)
+{
+ /* Check the parameters */
+ assert_param(IS_CRS_CLEAR_IT(CRS_IT));
+
+ if ((CRS_IT & FLAG_MASK)!= 0)
+ {
+ CRS->ICR |= CRS_ICR_ERRC;
+ }
+ else
+ {
+ CRS->ICR |= CRS_IT;
+ }
+}
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_dac.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_dac.c
new file mode 100644
index 00000000..00527e65
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_dac.c
@@ -0,0 +1,692 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_dac.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the Digital-to-Analog Converter (DAC) peripheral
+ * applicable only on STM32F051 and STM32F072 devices:
+ * + DAC channel configuration: trigger, output buffer, data format
+ * + DMA management
+ * + Interrupts and flags management
+ *
+ * @verbatim
+ *
+ ===============================================================================
+ ##### DAC Peripheral features #####
+ ===============================================================================
+ [..] The device integrates two 12-bit Digital Analog Converters refered as
+ DAC channel1 with DAC_OUT1 (PA4) and DAC_OUT2 (PA5) as outputs.
+
+ [..] Digital to Analog conversion can be non-triggered using DAC_Trigger_None
+ and DAC_OUTx is available once writing to DHRx register using
+ DAC_SetChannel1Data() or DAC_SetChannel2Data()
+
+ [..] Digital to Analog conversion can be triggered by:
+ (#) External event: EXTI Line 9 (any GPIOx_Pin9) using DAC_Trigger_Ext_IT9.
+ The used pin (GPIOx_Pin9) must be configured in input mode.
+
+ (#) Timers TRGO: TIM2, TIM3,TIM7, TIM6 and TIM15
+ (DAC_Trigger_T2_TRGO, DAC_Trigger_T3_TRGO...)
+ The timer TRGO event should be selected using TIM_SelectOutputTrigger()
+
+ (#) Software using DAC_Trigger_Software
+
+ [..] Each DAC integrates an output buffer that can be used to
+ reduce the output impedance, and to drive external loads directly
+ without having to add an external operational amplifier.
+ To enable the output buffer use
+ DAC_InitStructure.DAC_OutputBuffer = DAC_OutputBuffer_Enable;
+
+ [..] Refer to the device datasheet for more details about output impedance
+ value with and without output buffer.
+
+ [..] DAC wave generation feature
+ Both DAC channels can be used to generate
+ 1- Noise wave using DAC_WaveGeneration_Noise
+ 2- Triangle wave using DAC_WaveGeneration_Triangle
+
+ [..] The DAC data format can be:
+ (#) 8-bit right alignment using DAC_Align_8b_R
+ (#) 12-bit left alignment using DAC_Align_12b_L
+ (#) 12-bit right alignment using DAC_Align_12b_R
+
+ [..] The analog output voltage on each DAC channel pin is determined
+ by the following equation: DAC_OUTx = VREF+ * DOR / 4095
+ with DOR is the Data Output Register
+ VEF+ is the input voltage reference (refer to the device datasheet)
+ e.g. To set DAC_OUT1 to 0.7V, use
+ DAC_SetChannel1Data(DAC_Align_12b_R, 868);
+ Assuming that VREF+ = 3.3, DAC_OUT1 = (3.3 * 868) / 4095 = 0.7V
+
+ [..] A DMA1 request can be generated when an external trigger (but not
+ a software trigger) occurs if DMA1 requests are enabled using
+ DAC_DMACmd()
+ DMA1 requests are mapped as following:
+ (+) DAC channel1 is mapped on DMA1 channel3 which must be already
+ configured
+ (+) DAC channel2 is mapped on DMA1 channel4 which must be already
+ configured
+
+ ##### How to use this driver #####
+ ===============================================================================
+ [..]
+ (+) Enable DAC APB1 clock to get write access to DAC registers
+ using RCC_APB1PeriphClockCmd(RCC_APB1Periph_DAC, ENABLE)
+
+ (+) Configure DAC_OUTx (DAC_OUT1: PA4, DAC_OUT2: PA5) in analog mode
+ using GPIO_Init() function
+
+ (+) Configure the DAC channel using DAC_Init()
+
+ (+) Enable the DAC channel using DAC_Cmd()
+
+ @endverbatim
+ *
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_dac.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup DAC
+ * @brief DAC driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* CR register Mask */
+#define CR_CLEAR_MASK ((uint32_t)0x00000FFE) /* check the value of the mask */
+
+/* DAC Dual Channels SWTRIG masks */
+#define DUAL_SWTRIG_SET ((uint32_t)0x00000003) /*!< Only applicable for STM32F072 devices */
+#define DUAL_SWTRIG_RESET ((uint32_t)0xFFFFFFFC) /*!< Only applicable for STM32F072 devices */
+
+/* DHR registers offsets */
+#define DHR12R1_OFFSET ((uint32_t)0x00000008)
+#define DHR12R2_OFFSET ((uint32_t)0x00000014) /*!< Only applicable for STM32F072 devices */
+#define DHR12RD_OFFSET ((uint32_t)0x00000020) /*!< Only applicable for STM32F072 devices */
+
+/* DOR register offset */
+#define DOR_OFFSET ((uint32_t)0x0000002C)
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup DAC_Private_Functions
+ * @{
+ */
+
+/** @defgroup DAC_Group1 DAC channels configuration
+ * @brief DAC channels configuration: trigger, output buffer, data format
+ *
+@verbatim
+ ===============================================================================
+ ##### DAC channels configuration: trigger, output buffer, data format #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Deinitializes the DAC peripheral registers to their default reset values.
+ * @param None
+ * @retval None
+ */
+void DAC_DeInit(void)
+{
+ /* Enable DAC reset state */
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_DAC, ENABLE);
+ /* Release DAC from reset state */
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_DAC, DISABLE);
+}
+
+/**
+ * @brief Initializes the DAC peripheral according to the specified parameters
+ * in the DAC_InitStruct.
+ * @param DAC_Channel: the selected DAC channel.
+ * This parameter can be:
+ * @arg DAC_Channel_1: DAC Channel1 selected
+ * @arg DAC_Channel_2: DAC Channel2 selected, applicable only for STM32F072 devices
+ * @param DAC_InitStruct: pointer to a DAC_InitTypeDef structure that contains
+ * the configuration information for the specified DAC channel.
+ * @retval None
+ */
+void DAC_Init(uint32_t DAC_Channel, DAC_InitTypeDef* DAC_InitStruct)
+{
+ uint32_t tmpreg1 = 0, tmpreg2 = 0;
+
+ /* Check the DAC parameters */
+ assert_param(IS_DAC_TRIGGER(DAC_InitStruct->DAC_Trigger));
+ assert_param(IS_DAC_GENERATE_WAVE(DAC_InitStruct->DAC_WaveGeneration));
+ assert_param(IS_DAC_LFSR_UNMASK_TRIANGLE_AMPLITUDE(DAC_InitStruct->DAC_LFSRUnmask_TriangleAmplitude));
+ assert_param(IS_DAC_OUTPUT_BUFFER_STATE(DAC_InitStruct->DAC_OutputBuffer));
+
+/*---------------------------- DAC CR Configuration --------------------------*/
+ /* Get the DAC CR value */
+ tmpreg1 = DAC->CR;
+ /* Clear BOFFx, TENx, TSELx, WAVEx and MAMPx bits */
+ tmpreg1 &= ~(CR_CLEAR_MASK << DAC_Channel);
+ /* Configure for the selected DAC channel: buffer output, trigger,
+ wave generation, mask/amplitude for wave generation */
+ /* Set TSELx and TENx bits according to DAC_Trigger value */
+ /* Set WAVEx bits according to DAC_WaveGeneration value */
+ /* Set MAMPx bits according to DAC_LFSRUnmask_TriangleAmplitude value */
+ /* Set BOFFx bit according to DAC_OutputBuffer value */
+ tmpreg2 = (DAC_InitStruct->DAC_Trigger | DAC_InitStruct->DAC_WaveGeneration |
+ DAC_InitStruct->DAC_LFSRUnmask_TriangleAmplitude | \
+ DAC_InitStruct->DAC_OutputBuffer);
+ /* Calculate CR register value depending on DAC_Channel */
+ tmpreg1 |= tmpreg2 << DAC_Channel;
+ /* Write to DAC CR */
+ DAC->CR = tmpreg1;
+}
+
+/**
+ * @brief Fills each DAC_InitStruct member with its default value.
+ * @param DAC_InitStruct: pointer to a DAC_InitTypeDef structure which will
+ * be initialized.
+ * @retval None
+ */
+void DAC_StructInit(DAC_InitTypeDef* DAC_InitStruct)
+{
+/*--------------- Reset DAC init structure parameters values -----------------*/
+ /* Initialize the DAC_Trigger member */
+ DAC_InitStruct->DAC_Trigger = DAC_Trigger_None;
+
+ /* Initialize the DAC_WaveGeneration member */
+ DAC_InitStruct->DAC_WaveGeneration = DAC_WaveGeneration_None;
+
+ /* Initialize the DAC_LFSRUnmask_TriangleAmplitude member */
+ DAC_InitStruct->DAC_LFSRUnmask_TriangleAmplitude = DAC_LFSRUnmask_Bit0;
+
+ /* Initialize the DAC_OutputBuffer member */
+ DAC_InitStruct->DAC_OutputBuffer = DAC_OutputBuffer_Enable;
+}
+
+/**
+ * @brief Enables or disables the specified DAC channel.
+ * @param DAC_Channel: The selected DAC channel.
+ * This parameter can be one of the following values:
+ * @arg DAC_Channel_1: DAC Channel1 selected
+ * @arg DAC_Channel_2: DAC Channel2 selected, applicable only for STM32F072 devices
+ * @param NewState: new state of the DAC channel.
+ * This parameter can be: ENABLE or DISABLE.
+ * @note When the DAC channel is enabled the trigger source can no more be modified.
+ * @retval None
+ */
+void DAC_Cmd(uint32_t DAC_Channel, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_DAC_CHANNEL(DAC_Channel));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected DAC channel */
+ DAC->CR |= (DAC_CR_EN1 << DAC_Channel);
+ }
+ else
+ {
+ /* Disable the selected DAC channel */
+ DAC->CR &= (~(DAC_CR_EN1 << DAC_Channel));
+ }
+}
+
+/**
+ * @brief Enables or disables the selected DAC channel software trigger.
+ * @param DAC_Channel: The selected DAC channel.
+ * This parameter can be one of the following values:
+ * @arg DAC_Channel_1: DAC Channel1 selected
+ * @arg DAC_Channel_2: DAC Channel2 selected, applicable only for STM32F072 devices
+ * @param NewState: new state of the selected DAC channel software trigger.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void DAC_SoftwareTriggerCmd(uint32_t DAC_Channel, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_DAC_CHANNEL(DAC_Channel));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable software trigger for the selected DAC channel */
+ DAC->SWTRIGR |= (uint32_t)DAC_SWTRIGR_SWTRIG1 << (DAC_Channel >> 4);
+ }
+ else
+ {
+ /* Disable software trigger for the selected DAC channel */
+ DAC->SWTRIGR &= ~((uint32_t)DAC_SWTRIGR_SWTRIG1 << (DAC_Channel >> 4));
+ }
+}
+
+/**
+ * @brief Enables or disables simultaneously the two DAC channels software triggers.
+ * This function is applicable only for STM32F072 devices.
+ * @param NewState: new state of the DAC channels software triggers.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void DAC_DualSoftwareTriggerCmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable software trigger for both DAC channels */
+ DAC->SWTRIGR |= DUAL_SWTRIG_SET;
+ }
+ else
+ {
+ /* Disable software trigger for both DAC channels */
+ DAC->SWTRIGR &= DUAL_SWTRIG_RESET;
+ }
+}
+
+/**
+ * @brief Enables or disables the selected DAC channel wave generation.
+ * This function is applicable only for STM32F072 devices.
+ * @param DAC_Channel: The selected DAC channel.
+ * This parameter can be:
+ * @arg DAC_Channel_1: DAC Channel1 selected
+ * @arg DAC_Channel_2: DAC Channel2 selected
+ * @param DAC_Wave: specifies the wave type to enable or disable.
+ * This parameter can be:
+ * @arg DAC_Wave_Noise: noise wave generation
+ * @arg DAC_Wave_Triangle: triangle wave generation
+ * @param NewState: new state of the selected DAC channel wave generation.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void DAC_WaveGenerationCmd(uint32_t DAC_Channel, uint32_t DAC_Wave, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_DAC_CHANNEL(DAC_Channel));
+ assert_param(IS_DAC_WAVE(DAC_Wave));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected wave generation for the selected DAC channel */
+ DAC->CR |= DAC_Wave << DAC_Channel;
+ }
+ else
+ {
+ /* Disable the selected wave generation for the selected DAC channel */
+ DAC->CR &= ~(DAC_Wave << DAC_Channel);
+ }
+}
+
+/**
+ * @brief Set the specified data holding register value for DAC channel1.
+ * @param DAC_Align: Specifies the data alignment for DAC channel1.
+ * This parameter can be one of the following values:
+ * @arg DAC_Align_8b_R: 8bit right data alignment selected
+ * @arg DAC_Align_12b_L: 12bit left data alignment selected
+ * @arg DAC_Align_12b_R: 12bit right data alignment selected
+ * @param Data: Data to be loaded in the selected data holding register.
+ * @retval None
+ */
+void DAC_SetChannel1Data(uint32_t DAC_Align, uint16_t Data)
+{
+ __IO uint32_t tmp = 0;
+
+ /* Check the parameters */
+ assert_param(IS_DAC_ALIGN(DAC_Align));
+ assert_param(IS_DAC_DATA(Data));
+
+ tmp = (uint32_t)DAC_BASE;
+ tmp += DHR12R1_OFFSET + DAC_Align;
+
+ /* Set the DAC channel1 selected data holding register */
+ *(__IO uint32_t *) tmp = Data;
+}
+
+/**
+ * @brief Sets the specified data holding register value for DAC channel2.
+ * This function is applicable only for STM32F072 devices.
+ * @param DAC_Align: Specifies the data alignment for DAC channel2.
+ * This parameter can be:
+ * @arg DAC_Align_8b_R: 8bit right data alignment selected
+ * @arg DAC_Align_12b_L: 12bit left data alignment selected
+ * @arg DAC_Align_12b_R: 12bit right data alignment selected
+ * @param Data: Data to be loaded in the selected data holding register.
+ * @retval None
+ */
+void DAC_SetChannel2Data(uint32_t DAC_Align, uint16_t Data)
+{
+ __IO uint32_t tmp = 0;
+
+ /* Check the parameters */
+ assert_param(IS_DAC_ALIGN(DAC_Align));
+ assert_param(IS_DAC_DATA(Data));
+
+ tmp = (uint32_t)DAC_BASE;
+ tmp += DHR12R2_OFFSET + DAC_Align;
+
+ /* Set the DAC channel2 selected data holding register */
+ *(__IO uint32_t *)tmp = Data;
+}
+
+/**
+ * @brief Sets the specified data holding register value for dual channel DAC.
+ * This function is applicable only for STM32F072 devices.
+ * @param DAC_Align: Specifies the data alignment for dual channel DAC.
+ * This parameter can be:
+ * @arg DAC_Align_8b_R: 8bit right data alignment selected
+ * @arg DAC_Align_12b_L: 12bit left data alignment selected
+ * @arg DAC_Align_12b_R: 12bit right data alignment selected
+ * @param Data2: Data for DAC Channel2 to be loaded in the selected data holding register.
+ * @param Data1: Data for DAC Channel1 to be loaded in the selected data holding register.
+ * @note In dual mode, a unique register access is required to write in both
+ * DAC channels at the same time.
+ * @retval None
+ */
+void DAC_SetDualChannelData(uint32_t DAC_Align, uint16_t Data2, uint16_t Data1)
+{
+ uint32_t data = 0, tmp = 0;
+
+ /* Check the parameters */
+ assert_param(IS_DAC_ALIGN(DAC_Align));
+ assert_param(IS_DAC_DATA(Data1));
+ assert_param(IS_DAC_DATA(Data2));
+
+ /* Calculate and set dual DAC data holding register value */
+ if (DAC_Align == DAC_Align_8b_R)
+ {
+ data = ((uint32_t)Data2 << 8) | Data1;
+ }
+ else
+ {
+ data = ((uint32_t)Data2 << 16) | Data1;
+ }
+
+ tmp = (uint32_t)DAC_BASE;
+ tmp += DHR12RD_OFFSET + DAC_Align;
+
+ /* Set the dual DAC selected data holding register */
+ *(__IO uint32_t *)tmp = data;
+}
+
+/**
+ * @brief Returns the last data output value of the selected DAC channel.
+ * @param DAC_Channel: The selected DAC channel.
+ * This parameter can be one of the following values:
+ * @arg DAC_Channel_1: DAC Channel1 selected
+ * @arg DAC_Channel_2: DAC Channel2 selected, applicable only for STM32F072 devices
+ * @retval The selected DAC channel data output value.
+ */
+uint16_t DAC_GetDataOutputValue(uint32_t DAC_Channel)
+{
+ __IO uint32_t tmp = 0;
+
+ /* Check the parameters */
+ assert_param(IS_DAC_CHANNEL(DAC_Channel));
+
+ tmp = (uint32_t) DAC_BASE ;
+ tmp += DOR_OFFSET + ((uint32_t)DAC_Channel >> 2);
+
+ /* Returns the DAC channel data output register value */
+ return (uint16_t) (*(__IO uint32_t*) tmp);
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup DAC_Group2 DMA management functions
+ * @brief DMA management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### DMA management functions #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the specified DAC channel DMA request.
+ * When enabled DMA1 is generated when an external trigger (EXTI Line9,
+ * TIM2, TIM3, TIM6 or TIM15 but not a software trigger) occurs
+ * @param DAC_Channel: the selected DAC channel.
+ * This parameter can be one of the following values:
+ * @arg DAC_Channel_1: DAC Channel1 selected
+ * @arg DAC_Channel_2: DAC Channel2 selected, applicable only for STM32F072 devices
+ * @param NewState: new state of the selected DAC channel DMA request.
+ * This parameter can be: ENABLE or DISABLE.
+ * @note The DAC channel1 is mapped on DMA1 channel3 which must be already configured.
+ * @note The DAC channel2 is mapped on DMA1 channel4 which must be already configured.
+ * @retval None
+ */
+void DAC_DMACmd(uint32_t DAC_Channel, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_DAC_CHANNEL(DAC_Channel));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected DAC channel DMA request */
+ DAC->CR |= (DAC_CR_DMAEN1 << DAC_Channel);
+ }
+ else
+ {
+ /* Disable the selected DAC channel DMA request */
+ DAC->CR &= (~(DAC_CR_DMAEN1 << DAC_Channel));
+ }
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup DAC_Group3 Interrupts and flags management functions
+ * @brief Interrupts and flags management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Interrupts and flags management functions #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the specified DAC interrupts.
+ * @param DAC_Channel: The selected DAC channel.
+ * This parameter can be:
+ * @arg DAC_Channel_1: DAC Channel1 selected
+ * @arg DAC_Channel_2: DAC Channel2 selected, applicable only for STM32F072 devices
+ * @param DAC_IT: specifies the DAC interrupt sources to be enabled or disabled.
+ * This parameter can be the following values:
+ * @arg DAC_IT_DMAUDR: DMA underrun interrupt mask
+ * @note The DMA underrun occurs when a second external trigger arrives before the
+ * acknowledgement for the first external trigger is received (first request).
+ * @param NewState: new state of the specified DAC interrupts.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void DAC_ITConfig(uint32_t DAC_Channel, uint32_t DAC_IT, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_DAC_CHANNEL(DAC_Channel));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+ assert_param(IS_DAC_IT(DAC_IT));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected DAC interrupts */
+ DAC->CR |= (DAC_IT << DAC_Channel);
+ }
+ else
+ {
+ /* Disable the selected DAC interrupts */
+ DAC->CR &= (~(uint32_t)(DAC_IT << DAC_Channel));
+ }
+}
+
+/**
+ * @brief Checks whether the specified DAC flag is set or not.
+ * @param DAC_Channel: The selected DAC channel.
+ * This parameter can be one of the following values:
+ * @arg DAC_Channel_1: DAC Channel1 selected
+ * @arg DAC_Channel_2: DAC Channel2 selected, applicable only for STM32F072 devices
+ * @param DAC_FLAG: specifies the flag to check.
+ * This parameter can be only of the following value:
+ * @arg DAC_FLAG_DMAUDR: DMA underrun flag
+ * @note The DMA underrun occurs when a second external trigger arrives before the
+ * acknowledgement for the first external trigger is received (first request).
+ * @retval The new state of DAC_FLAG (SET or RESET).
+ */
+FlagStatus DAC_GetFlagStatus(uint32_t DAC_Channel, uint32_t DAC_FLAG)
+{
+ FlagStatus bitstatus = RESET;
+ /* Check the parameters */
+ assert_param(IS_DAC_CHANNEL(DAC_Channel));
+ assert_param(IS_DAC_FLAG(DAC_FLAG));
+
+ /* Check the status of the specified DAC flag */
+ if ((DAC->SR & (DAC_FLAG << DAC_Channel)) != (uint8_t)RESET)
+ {
+ /* DAC_FLAG is set */
+ bitstatus = SET;
+ }
+ else
+ {
+ /* DAC_FLAG is reset */
+ bitstatus = RESET;
+ }
+ /* Return the DAC_FLAG status */
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the DAC channel's pending flags.
+ * @param DAC_Channel: The selected DAC channel.
+ * This parameter can be one of the following values:
+ * @arg DAC_Channel_1: DAC Channel1 selected
+ * @arg DAC_Channel_2: DAC Channel2 selected, applicable only for STM32F072 devices
+ * @param DAC_FLAG: specifies the flag to clear.
+ * This parameter can be of the following value:
+ * @arg DAC_FLAG_DMAUDR: DMA underrun flag
+ * @retval None
+ */
+void DAC_ClearFlag(uint32_t DAC_Channel, uint32_t DAC_FLAG)
+{
+ /* Check the parameters */
+ assert_param(IS_DAC_CHANNEL(DAC_Channel));
+ assert_param(IS_DAC_FLAG(DAC_FLAG));
+
+ /* Clear the selected DAC flags */
+ DAC->SR = (DAC_FLAG << DAC_Channel);
+}
+
+/**
+ * @brief Checks whether the specified DAC interrupt has occurred or not.
+ * @param DAC_Channel: The selected DAC channel.
+ * This parameter can be one of the following values:
+ * @arg DAC_Channel_1: DAC Channel1 selected
+ * @arg DAC_Channel_2: DAC Channel2 selected, applicable only for STM32F072 devices
+ * @param DAC_IT: specifies the DAC interrupt source to check.
+ * This parameter can be the following values:
+ * @arg DAC_IT_DMAUDR: DMA underrun interrupt mask
+ * @note The DMA underrun occurs when a second external trigger arrives before the
+ * acknowledgement for the first external trigger is received (first request).
+ * @retval The new state of DAC_IT (SET or RESET).
+ */
+ITStatus DAC_GetITStatus(uint32_t DAC_Channel, uint32_t DAC_IT)
+{
+ ITStatus bitstatus = RESET;
+ uint32_t enablestatus = 0;
+
+ /* Check the parameters */
+ assert_param(IS_DAC_CHANNEL(DAC_Channel));
+ assert_param(IS_DAC_IT(DAC_IT));
+
+ /* Get the DAC_IT enable bit status */
+ enablestatus = (DAC->CR & (DAC_IT << DAC_Channel)) ;
+
+ /* Check the status of the specified DAC interrupt */
+ if (((DAC->SR & (DAC_IT << DAC_Channel)) != (uint32_t)RESET) && enablestatus)
+ {
+ /* DAC_IT is set */
+ bitstatus = SET;
+ }
+ else
+ {
+ /* DAC_IT is reset */
+ bitstatus = RESET;
+ }
+ /* Return the DAC_IT status */
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the DAC channel's interrupt pending bits.
+ * @param DAC_Channel: The selected DAC channel.
+ * This parameter can be one of the following values:
+ * @arg DAC_Channel_1: DAC Channel1 selected
+ * @arg DAC_Channel_2: DAC Channel2 selected, applicable only for STM32F072 devices
+ * @param DAC_IT: specifies the DAC interrupt pending bit to clear.
+ * This parameter can be the following values:
+ * @arg DAC_IT_DMAUDR: DMA underrun interrupt mask
+ * @retval None
+ */
+void DAC_ClearITPendingBit(uint32_t DAC_Channel, uint32_t DAC_IT)
+{
+ /* Check the parameters */
+ assert_param(IS_DAC_CHANNEL(DAC_Channel));
+ assert_param(IS_DAC_IT(DAC_IT));
+
+ /* Clear the selected DAC interrupt pending bits */
+ DAC->SR = (DAC_IT << DAC_Channel);
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_dbgmcu.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_dbgmcu.c
new file mode 100644
index 00000000..bb456da5
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_dbgmcu.c
@@ -0,0 +1,218 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_dbgmcu.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the Debug MCU (DBGMCU) peripheral:
+ * + Device and Revision ID management
+ * + Peripherals Configuration
+ * @verbatim
+ * @endverbatim
+ *
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_dbgmcu.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup DBGMCU
+ * @brief DBGMCU driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+#define IDCODE_DEVID_MASK ((uint32_t)0x00000FFF)
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup DBGMCU_Private_Functions
+ * @{
+ */
+
+
+/** @defgroup DBGMCU_Group1 Device and Revision ID management functions
+ * @brief Device and Revision ID management functions
+ *
+@verbatim
+ ==============================================================================
+ ##### Device and Revision ID management functions #####
+ ==============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Returns the device revision identifier.
+ * @param None
+ * @retval Device revision identifier
+ */
+uint32_t DBGMCU_GetREVID(void)
+{
+ return(DBGMCU->IDCODE >> 16);
+}
+
+/**
+ * @brief Returns the device identifier.
+ * @param None
+ * @retval Device identifier
+ */
+uint32_t DBGMCU_GetDEVID(void)
+{
+ return(DBGMCU->IDCODE & IDCODE_DEVID_MASK);
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup DBGMCU_Group2 Peripherals Configuration functions
+ * @brief Peripherals Configuration
+ *
+@verbatim
+ ==============================================================================
+ ##### Peripherals Configuration functions #####
+ ==============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Configures low power mode behavior when the MCU is in Debug mode.
+ * @param DBGMCU_Periph: specifies the low power mode.
+ * This parameter can be any combination of the following values:
+ * @arg DBGMCU_STOP: Keep debugger connection during STOP mode
+ * @arg DBGMCU_STANDBY: Keep debugger connection during STANDBY mode
+ * @param NewState: new state of the specified low power mode in Debug mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void DBGMCU_Config(uint32_t DBGMCU_Periph, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_DBGMCU_PERIPH(DBGMCU_Periph));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ DBGMCU->CR |= DBGMCU_Periph;
+ }
+ else
+ {
+ DBGMCU->CR &= ~DBGMCU_Periph;
+ }
+}
+
+
+/**
+ * @brief Configures APB1 peripheral behavior when the MCU is in Debug mode.
+ * @param DBGMCU_Periph: specifies the APB1 peripheral.
+ * This parameter can be any combination of the following values:
+ * @arg DBGMCU_TIM2_STOP: TIM2 counter stopped when Core is halted,
+ * not applicable for STM32F030 devices
+ * @arg DBGMCU_TIM3_STOP: TIM3 counter stopped when Core is halted
+ * @arg DBGMCU_TIM6_STOP: TIM6 counter stopped when Core is halted
+ * @arg DBGMCU_TIM7_STOP: TIM7 counter stopped when Core is halted,
+ * applicable only for STM32F072 devices
+ * @arg DBGMCU_TIM14_STOP: TIM14 counter stopped when Core is halted
+ * @arg DBGMCU_RTC_STOP: RTC Calendar and Wakeup counter stopped
+ * when Core is halted.
+ * @arg DBGMCU_WWDG_STOP: Debug WWDG stopped when Core is halted
+ * @arg DBGMCU_IWDG_STOP: Debug IWDG stopped when Core is halted
+ * @arg DBGMCU_I2C1_SMBUS_TIMEOUT: I2C1 SMBUS timeout mode stopped
+ * when Core is halted
+ * @arg DBGMCU_CAN1_STOP: Debug CAN1 stopped when Core is halted,
+ * applicable only for STM32F042 and STM32F072 devices
+ * @param NewState: new state of the specified APB1 peripheral in Debug mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void DBGMCU_APB1PeriphConfig(uint32_t DBGMCU_Periph, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_DBGMCU_APB1PERIPH(DBGMCU_Periph));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ DBGMCU->APB1FZ |= DBGMCU_Periph;
+ }
+ else
+ {
+ DBGMCU->APB1FZ &= ~DBGMCU_Periph;
+ }
+}
+
+/**
+ * @brief Configures APB2 peripheral behavior when the MCU is in Debug mode.
+ * @param DBGMCU_Periph: specifies the APB2 peripheral.
+ * This parameter can be any combination of the following values:
+ * @arg DBGMCU_TIM1_STOP: TIM1 counter stopped when Core is halted
+ * @arg DBGMCU_TIM15_STOP: TIM15 counter stopped when Core is halted
+ * @arg DBGMCU_TIM16_STOP: TIM16 counter stopped when Core is halted
+ * @arg DBGMCU_TIM17_STOP: TIM17 counter stopped when Core is halted
+ * @param NewState: new state of the specified APB2 peripheral in Debug mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void DBGMCU_APB2PeriphConfig(uint32_t DBGMCU_Periph, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_DBGMCU_APB2PERIPH(DBGMCU_Periph));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ DBGMCU->APB2FZ |= DBGMCU_Periph;
+ }
+ else
+ {
+ DBGMCU->APB2FZ &= ~DBGMCU_Periph;
+ }
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_dma.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_dma.c
new file mode 100644
index 00000000..a6696f2c
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_dma.c
@@ -0,0 +1,891 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_dma.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the Direct Memory Access controller (DMA):
+ * + Initialization and Configuration
+ * + Data Counter
+ * + Interrupts and flags management
+ *
+ * @verbatim
+ ==============================================================================
+ ##### How to use this driver #####
+ ==============================================================================
+ [..]
+ (#) Enable The DMA controller clock using
+ RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE) function for DMA1.
+ (#) Enable and configure the peripheral to be connected to the DMA channel
+ (except for internal SRAM / FLASH memories: no initialization is necessary).
+ (#) For a given Channel, program the Source and Destination addresses,
+ the transfer Direction, the Buffer Size, the Peripheral and Memory
+ Incrementation mode and Data Size, the Circular or Normal mode,
+ the channel transfer Priority and the Memory-to-Memory transfer
+ mode (if needed) using the DMA_Init() function.
+ (#) Enable the NVIC and the corresponding interrupt(s) using the function
+ DMA_ITConfig() if you need to use DMA interrupts.
+ (#) Enable the DMA channel using the DMA_Cmd() function.
+ (#) Activate the needed channel Request using PPP_DMACmd() function for
+ any PPP peripheral except internal SRAM and FLASH (ie. SPI, USART ...)
+ The function allowing this operation is provided in each PPP peripheral
+ driver (ie. SPI_DMACmd for SPI peripheral).
+ (#) Optionally, you can configure the number of data to be transferred
+ when the channel is disabled (ie. after each Transfer Complete event
+ or when a Transfer Error occurs) using the function DMA_SetCurrDataCounter().
+ And you can get the number of remaining data to be transferred using
+ the function DMA_GetCurrDataCounter() at run time (when the DMA channel is
+ enabled and running).
+ (#) To control DMA events you can use one of the following two methods:
+ (##) Check on DMA channel flags using the function DMA_GetFlagStatus().
+ (##) Use DMA interrupts through the function DMA_ITConfig() at initialization
+ phase and DMA_GetITStatus() function into interrupt routines in
+ communication phase.
+ After checking on a flag you should clear it using DMA_ClearFlag()
+ function. And after checking on an interrupt event you should
+ clear it using DMA_ClearITPendingBit() function.
+ @endverbatim
+ *
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_dma.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup DMA
+ * @brief DMA driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+#define CCR_CLEAR_MASK ((uint32_t)0xFFFF800F) /* DMA Channel config registers Masks */
+#define FLAG_Mask ((uint32_t)0x10000000) /* DMA2 FLAG mask */
+
+/* DMA1 Channelx interrupt pending bit masks */
+#define DMA1_CHANNEL1_IT_MASK ((uint32_t)(DMA_ISR_GIF1 | DMA_ISR_TCIF1 | DMA_ISR_HTIF1 | DMA_ISR_TEIF1))
+#define DMA1_CHANNEL2_IT_MASK ((uint32_t)(DMA_ISR_GIF2 | DMA_ISR_TCIF2 | DMA_ISR_HTIF2 | DMA_ISR_TEIF2))
+#define DMA1_CHANNEL3_IT_MASK ((uint32_t)(DMA_ISR_GIF3 | DMA_ISR_TCIF3 | DMA_ISR_HTIF3 | DMA_ISR_TEIF3))
+#define DMA1_CHANNEL4_IT_MASK ((uint32_t)(DMA_ISR_GIF4 | DMA_ISR_TCIF4 | DMA_ISR_HTIF4 | DMA_ISR_TEIF4))
+#define DMA1_CHANNEL5_IT_MASK ((uint32_t)(DMA_ISR_GIF5 | DMA_ISR_TCIF5 | DMA_ISR_HTIF5 | DMA_ISR_TEIF5))
+#define DMA1_CHANNEL6_IT_MASK ((uint32_t)(DMA_ISR_GIF6 | DMA_ISR_TCIF6 | DMA_ISR_HTIF6 | DMA_ISR_TEIF6)) /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define DMA1_CHANNEL7_IT_MASK ((uint32_t)(DMA_ISR_GIF7 | DMA_ISR_TCIF7 | DMA_ISR_HTIF7 | DMA_ISR_TEIF7)) /*!< Only applicable for STM32F072 and STM32F091 devices */
+
+/* DMA2 Channelx interrupt pending bit masks: Only applicable for STM32F091 devices */
+#define DMA2_CHANNEL1_IT_MASK ((uint32_t)(DMA_ISR_GIF1 | DMA_ISR_TCIF1 | DMA_ISR_HTIF1 | DMA_ISR_TEIF1))
+#define DMA2_CHANNEL2_IT_MASK ((uint32_t)(DMA_ISR_GIF2 | DMA_ISR_TCIF2 | DMA_ISR_HTIF2 | DMA_ISR_TEIF2))
+#define DMA2_CHANNEL3_IT_MASK ((uint32_t)(DMA_ISR_GIF3 | DMA_ISR_TCIF3 | DMA_ISR_HTIF3 | DMA_ISR_TEIF3))
+#define DMA2_CHANNEL4_IT_MASK ((uint32_t)(DMA_ISR_GIF4 | DMA_ISR_TCIF4 | DMA_ISR_HTIF4 | DMA_ISR_TEIF4))
+#define DMA2_CHANNEL5_IT_MASK ((uint32_t)(DMA_ISR_GIF5 | DMA_ISR_TCIF5 | DMA_ISR_HTIF5 | DMA_ISR_TEIF5))
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup DMA_Private_Functions
+ * @{
+ */
+
+/** @defgroup DMA_Group1 Initialization and Configuration functions
+ * @brief Initialization and Configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Initialization and Configuration functions #####
+ ===============================================================================
+ [..] This subsection provides functions allowing to initialize the DMA channel
+ source and destination addresses, incrementation and data sizes, transfer
+ direction, buffer size, circular/normal mode selection, memory-to-memory
+ mode selection and channel priority value.
+ [..] The DMA_Init() function follows the DMA configuration procedures as described
+ in reference manual (RM0091).
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Deinitializes the DMAy Channelx registers to their default reset
+ * values.
+ * @param DMAy_Channelx: where y can be 1 to select the DMA and
+ * x can be 1 to 7 for DMA1 to select the DMA Channel.
+ * @note Channel 6 and 7 are available only for STM32F072 devices.
+ * @retval None
+ */
+void DMA_DeInit(DMA_Channel_TypeDef* DMAy_Channelx)
+{
+ /* Check the parameters */
+ assert_param(IS_DMA_ALL_PERIPH(DMAy_Channelx));
+
+ /* Disable the selected DMAy Channelx */
+ DMAy_Channelx->CCR &= (uint16_t)(~DMA_CCR_EN);
+
+ /* Reset DMAy Channelx control register */
+ DMAy_Channelx->CCR = 0;
+
+ /* Reset DMAy Channelx remaining bytes register */
+ DMAy_Channelx->CNDTR = 0;
+
+ /* Reset DMAy Channelx peripheral address register */
+ DMAy_Channelx->CPAR = 0;
+
+ /* Reset DMAy Channelx memory address register */
+ DMAy_Channelx->CMAR = 0;
+
+ if (DMAy_Channelx == DMA1_Channel1)
+ {
+ /* Reset interrupt pending bits for DMA1 Channel1 */
+ DMA1->IFCR |= DMA1_CHANNEL1_IT_MASK;
+ }
+ else if (DMAy_Channelx == DMA1_Channel2)
+ {
+ /* Reset interrupt pending bits for DMA1 Channel2 */
+ DMA1->IFCR |= DMA1_CHANNEL2_IT_MASK;
+ }
+ else if (DMAy_Channelx == DMA1_Channel3)
+ {
+ /* Reset interrupt pending bits for DMA1 Channel3 */
+ DMA1->IFCR |= DMA1_CHANNEL3_IT_MASK;
+ }
+ else if (DMAy_Channelx == DMA1_Channel4)
+ {
+ /* Reset interrupt pending bits for DMA1 Channel4 */
+ DMA1->IFCR |= DMA1_CHANNEL4_IT_MASK;
+ }
+ else if (DMAy_Channelx == DMA1_Channel5)
+ {
+ /* Reset interrupt pending bits for DMA1 Channel5 */
+ DMA1->IFCR |= DMA1_CHANNEL5_IT_MASK;
+ }
+ else if (DMAy_Channelx == DMA1_Channel6)
+ {
+ /* Reset interrupt pending bits for DMA1 Channel6 */
+ DMA1->IFCR |= DMA1_CHANNEL6_IT_MASK;
+ }
+ else if (DMAy_Channelx == DMA1_Channel7)
+ {
+ /* Reset interrupt pending bits for DMA1 Channel7 */
+ DMA1->IFCR |= DMA1_CHANNEL7_IT_MASK;
+ }
+ else if (DMAy_Channelx == DMA2_Channel1)
+ {
+ /* Reset interrupt pending bits for DMA2 Channel1 */
+ DMA2->IFCR |= DMA2_CHANNEL1_IT_MASK;
+ }
+ else if (DMAy_Channelx == DMA2_Channel2)
+ {
+ /* Reset interrupt pending bits for DMA2 Channel2 */
+ DMA2->IFCR |= DMA2_CHANNEL2_IT_MASK;
+ }
+ else if (DMAy_Channelx == DMA2_Channel3)
+ {
+ /* Reset interrupt pending bits for DMA2 Channel3 */
+ DMA2->IFCR |= DMA2_CHANNEL3_IT_MASK;
+ }
+ else if (DMAy_Channelx == DMA2_Channel4)
+ {
+ /* Reset interrupt pending bits for DMA2 Channel4 */
+ DMA2->IFCR |= DMA2_CHANNEL4_IT_MASK;
+ }
+ else
+ {
+ if (DMAy_Channelx == DMA2_Channel5)
+ {
+ /* Reset interrupt pending bits for DMA2 Channel5 */
+ DMA2->IFCR |= DMA2_CHANNEL5_IT_MASK;
+ }
+ }
+}
+
+/**
+ * @brief Initializes the DMAy Channelx according to the specified parameters
+ * in the DMA_InitStruct.
+ * @param DMAy_Channelx: where y can be 1 to select the DMA and x can be 1 to 7
+ * for DMA1 to select the DMA Channel and 1 to 5 for DMA2 to select the DMA Channel.
+ * @note DMA1 Channel 6 and 7 are available only for STM32F072 and STM32F091 devices.
+ * @note DMA2 Channel 1 to 5 are available only for STM32F091 devices.
+ * @param DMA_InitStruct: pointer to a DMA_InitTypeDef structure that contains
+ * the configuration information for the specified DMA Channel.
+ * @retval None
+ */
+void DMA_Init(DMA_Channel_TypeDef* DMAy_Channelx, DMA_InitTypeDef* DMA_InitStruct)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_DMA_ALL_PERIPH(DMAy_Channelx));
+ assert_param(IS_DMA_DIR(DMA_InitStruct->DMA_DIR));
+ assert_param(IS_DMA_BUFFER_SIZE(DMA_InitStruct->DMA_BufferSize));
+ assert_param(IS_DMA_PERIPHERAL_INC_STATE(DMA_InitStruct->DMA_PeripheralInc));
+ assert_param(IS_DMA_MEMORY_INC_STATE(DMA_InitStruct->DMA_MemoryInc));
+ assert_param(IS_DMA_PERIPHERAL_DATA_SIZE(DMA_InitStruct->DMA_PeripheralDataSize));
+ assert_param(IS_DMA_MEMORY_DATA_SIZE(DMA_InitStruct->DMA_MemoryDataSize));
+ assert_param(IS_DMA_MODE(DMA_InitStruct->DMA_Mode));
+ assert_param(IS_DMA_PRIORITY(DMA_InitStruct->DMA_Priority));
+ assert_param(IS_DMA_M2M_STATE(DMA_InitStruct->DMA_M2M));
+
+/*--------------------------- DMAy Channelx CCR Configuration ----------------*/
+ /* Get the DMAy_Channelx CCR value */
+ tmpreg = DMAy_Channelx->CCR;
+
+ /* Clear MEM2MEM, PL, MSIZE, PSIZE, MINC, PINC, CIRC and DIR bits */
+ tmpreg &= CCR_CLEAR_MASK;
+
+ /* Configure DMAy Channelx: data transfer, data size, priority level and mode */
+ /* Set DIR bit according to DMA_DIR value */
+ /* Set CIRC bit according to DMA_Mode value */
+ /* Set PINC bit according to DMA_PeripheralInc value */
+ /* Set MINC bit according to DMA_MemoryInc value */
+ /* Set PSIZE bits according to DMA_PeripheralDataSize value */
+ /* Set MSIZE bits according to DMA_MemoryDataSize value */
+ /* Set PL bits according to DMA_Priority value */
+ /* Set the MEM2MEM bit according to DMA_M2M value */
+ tmpreg |= DMA_InitStruct->DMA_DIR | DMA_InitStruct->DMA_Mode |
+ DMA_InitStruct->DMA_PeripheralInc | DMA_InitStruct->DMA_MemoryInc |
+ DMA_InitStruct->DMA_PeripheralDataSize | DMA_InitStruct->DMA_MemoryDataSize |
+ DMA_InitStruct->DMA_Priority | DMA_InitStruct->DMA_M2M;
+
+ /* Write to DMAy Channelx CCR */
+ DMAy_Channelx->CCR = tmpreg;
+
+/*--------------------------- DMAy Channelx CNDTR Configuration --------------*/
+ /* Write to DMAy Channelx CNDTR */
+ DMAy_Channelx->CNDTR = DMA_InitStruct->DMA_BufferSize;
+
+/*--------------------------- DMAy Channelx CPAR Configuration ---------------*/
+ /* Write to DMAy Channelx CPAR */
+ DMAy_Channelx->CPAR = DMA_InitStruct->DMA_PeripheralBaseAddr;
+
+/*--------------------------- DMAy Channelx CMAR Configuration ---------------*/
+ /* Write to DMAy Channelx CMAR */
+ DMAy_Channelx->CMAR = DMA_InitStruct->DMA_MemoryBaseAddr;
+}
+
+/**
+ * @brief Fills each DMA_InitStruct member with its default value.
+ * @param DMA_InitStruct: pointer to a DMA_InitTypeDef structure which will
+ * be initialized.
+ * @retval None
+ */
+void DMA_StructInit(DMA_InitTypeDef* DMA_InitStruct)
+{
+/*-------------- Reset DMA init structure parameters values ------------------*/
+ /* Initialize the DMA_PeripheralBaseAddr member */
+ DMA_InitStruct->DMA_PeripheralBaseAddr = 0;
+ /* Initialize the DMA_MemoryBaseAddr member */
+ DMA_InitStruct->DMA_MemoryBaseAddr = 0;
+ /* Initialize the DMA_DIR member */
+ DMA_InitStruct->DMA_DIR = DMA_DIR_PeripheralSRC;
+ /* Initialize the DMA_BufferSize member */
+ DMA_InitStruct->DMA_BufferSize = 0;
+ /* Initialize the DMA_PeripheralInc member */
+ DMA_InitStruct->DMA_PeripheralInc = DMA_PeripheralInc_Disable;
+ /* Initialize the DMA_MemoryInc member */
+ DMA_InitStruct->DMA_MemoryInc = DMA_MemoryInc_Disable;
+ /* Initialize the DMA_PeripheralDataSize member */
+ DMA_InitStruct->DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte;
+ /* Initialize the DMA_MemoryDataSize member */
+ DMA_InitStruct->DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
+ /* Initialize the DMA_Mode member */
+ DMA_InitStruct->DMA_Mode = DMA_Mode_Normal;
+ /* Initialize the DMA_Priority member */
+ DMA_InitStruct->DMA_Priority = DMA_Priority_Low;
+ /* Initialize the DMA_M2M member */
+ DMA_InitStruct->DMA_M2M = DMA_M2M_Disable;
+}
+
+/**
+ * @brief Enables or disables the specified DMAy Channelx.
+ * @param DMAy_Channelx: where y can be 1 to select the DMA and x can be 1 to 7
+ * for DMA1 to select the DMA Channel and 1 to 5 for DMA2 to select the DMA Channel.
+ * @note DMA1 Channel 6 and 7 are available only for STM32F072 and STM32F091 devices.
+ * @note DMA2 Channel 1 to 5 are available only for STM32F091 devices.
+ * @param NewState: new state of the DMAy Channelx.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void DMA_Cmd(DMA_Channel_TypeDef* DMAy_Channelx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_DMA_ALL_PERIPH(DMAy_Channelx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected DMAy Channelx */
+ DMAy_Channelx->CCR |= DMA_CCR_EN;
+ }
+ else
+ {
+ /* Disable the selected DMAy Channelx */
+ DMAy_Channelx->CCR &= (uint16_t)(~DMA_CCR_EN);
+ }
+}
+
+/**
+ * @brief Configure the DMAx channels remapping.
+ * @param DMAy: where x can be 1 or 2 to select the DMA peripheral.
+ * @param DMAy_CHx_RemapRequest: where y can be 1 or 2 to select the DMA and x can be 1 to 7
+ * for DMA1 to select the DMA1 Channel and can be 1 to 5 for DMA2 to select the DMA2 Channel.
+ * @note This function is available only for STM32F091 devices.
+ * @retval None
+ */
+void DMA_RemapConfig(DMA_TypeDef* DMAy, uint32_t DMAx_CHy_RemapRequest)
+{
+ assert_param(IS_DMA_ALL_LIST(DMAy));
+
+ if (DMAy == DMA1)
+ {
+ assert_param(IS_DMA1_REMAP(DMAx_CHy_RemapRequest));
+ }
+ else
+ {
+ assert_param(IS_DMA2_REMAP(DMAx_CHy_RemapRequest));
+ }
+
+ DMAy->RMPCR &= ~((uint32_t)0x0F << (uint32_t)((DMAx_CHy_RemapRequest >> 28) * 4));
+ DMAy->RMPCR |= (uint32_t)(DMAx_CHy_RemapRequest & 0x0FFFFFFF);
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup DMA_Group2 Data Counter functions
+ * @brief Data Counter functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Data Counter functions #####
+ ===============================================================================
+ [..] This subsection provides function allowing to configure and read the buffer
+ size (number of data to be transferred).The DMA data counter can be written
+ only when the DMA channel is disabled (ie. after transfer complete event).
+ [..] The following function can be used to write the Channel data counter value:
+ (+) void DMA_SetCurrDataCounter(DMA_Channel_TypeDef* DMAy_Channelx, uint16_t
+ DataNumber).
+ -@- It is advised to use this function rather than DMA_Init() in situations
+ where only the Data buffer needs to be reloaded.
+ [..] The DMA data counter can be read to indicate the number of remaining transfers
+ for the relative DMA channel. This counter is decremented at the end of each
+ data transfer and when the transfer is complete:
+ (+) If Normal mode is selected: the counter is set to 0.
+ (+) If Circular mode is selected: the counter is reloaded with the initial
+ value(configured before enabling the DMA channel).
+ [..] The following function can be used to read the Channel data counter value:
+ (+) uint16_t DMA_GetCurrDataCounter(DMA_Channel_TypeDef* DMAy_Channelx).
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Sets the number of data units in the current DMAy Channelx transfer.
+ * @param DMAy_Channelx: where y can be 1 to select the DMA and x can be 1 to 7
+ * for DMA1 to select the DMA Channel and 1 to 5 for DMA2 to select the DMA Channel.
+ * @note DMA1 Channel 6 and 7 are available only for STM32F072 and STM32F091 devices.
+ * @note DMA2 Channel 1 to 5 are available only for STM32F091 devices.
+ * @param DataNumber: The number of data units in the current DMAy Channelx
+ * transfer.
+ * @note This function can only be used when the DMAy_Channelx is disabled.
+ * @retval None.
+ */
+void DMA_SetCurrDataCounter(DMA_Channel_TypeDef* DMAy_Channelx, uint16_t DataNumber)
+{
+ /* Check the parameters */
+ assert_param(IS_DMA_ALL_PERIPH(DMAy_Channelx));
+
+/*--------------------------- DMAy Channelx CNDTR Configuration --------------*/
+ /* Write to DMAy Channelx CNDTR */
+ DMAy_Channelx->CNDTR = DataNumber;
+}
+
+/**
+ * @brief Returns the number of remaining data units in the current
+ * DMAy Channelx transfer.
+ * @param DMAy_Channelx: where y can be 1 to select the DMA and x can be 1 to 7
+ * for DMA1 to select the DMA Channel and 1 to 5 for DMA2 to select the DMA Channel.
+ * @note DMA1 Channel 6 and 7 are available only for STM32F072 and STM32F091 devices.
+ * @note DMA2 Channel 1 to 5 are available only for STM32F091 devices.
+ * @retval The number of remaining data units in the current DMAy Channelx
+ * transfer.
+ */
+uint16_t DMA_GetCurrDataCounter(DMA_Channel_TypeDef* DMAy_Channelx)
+{
+ /* Check the parameters */
+ assert_param(IS_DMA_ALL_PERIPH(DMAy_Channelx));
+ /* Return the number of remaining data units for DMAy Channelx */
+ return ((uint16_t)(DMAy_Channelx->CNDTR));
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup DMA_Group3 Interrupts and flags management functions
+ * @brief Interrupts and flags management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Interrupts and flags management functions #####
+ ===============================================================================
+ [..] This subsection provides functions allowing to configure the DMA Interrupts
+ sources and check or clear the flags or pending bits status.
+ The user should identify which mode will be used in his application to manage
+ the DMA controller events: Polling mode or Interrupt mode.
+ *** Polling Mode ***
+ ====================
+ [..] Each DMA channel can be managed through 4 event Flags:(y : DMA Controller
+ number x : DMA channel number ).
+ (#) DMAy_FLAG_TCx : to indicate that a Transfer Complete event occurred.
+ (#) DMAy_FLAG_HTx : to indicate that a Half-Transfer Complete event occurred.
+ (#) DMAy_FLAG_TEx : to indicate that a Transfer Error occurred.
+ (#) DMAy_FLAG_GLx : to indicate that at least one of the events described
+ above occurred.
+ -@- Clearing DMAy_FLAG_GLx results in clearing all other pending flags of the
+ same channel (DMAy_FLAG_TCx, DMAy_FLAG_HTx and DMAy_FLAG_TEx).
+ [..]In this Mode it is advised to use the following functions:
+ (+) FlagStatus DMA_GetFlagStatus(uint32_t DMA_FLAG);
+ (+) void DMA_ClearFlag(uint32_t DMA_FLAG);
+
+ *** Interrupt Mode ***
+ ======================
+ [..] Each DMA channel can be managed through 4 Interrupts:
+ (+) Interrupt Source
+ (##) DMA_IT_TC: specifies the interrupt source for the Transfer Complete
+ event.
+ (##) DMA_IT_HT : specifies the interrupt source for the Half-transfer Complete
+ event.
+ (##) DMA_IT_TE : specifies the interrupt source for the transfer errors event.
+ (##) DMA_IT_GL : to indicate that at least one of the interrupts described
+ above occurred.
+ -@@- Clearing DMA_IT_GL interrupt results in clearing all other interrupts of
+ the same channel (DMA_IT_TCx, DMA_IT_HT and DMA_IT_TE).
+ [..]In this Mode it is advised to use the following functions:
+ (+) void DMA_ITConfig(DMA_Channel_TypeDef* DMAy_Channelx, uint32_t DMA_IT,
+ FunctionalState NewState);
+ (+) ITStatus DMA_GetITStatus(uint32_t DMA_IT);
+ (+) void DMA_ClearITPendingBit(uint32_t DMA_IT);
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the specified DMAy Channelx interrupts.
+ * @param DMAy_Channelx: where y can be 1 to select the DMA and x can be 1 to 7
+ * for DMA1 to select the DMA Channel and 1 to 5 for DMA2 to select the DMA Channel.
+ * @note DMA1 Channel 6 and 7 are available only for STM32F072 and STM32F091 devices.
+ * @note DMA2 Channel 1 to 5 are available only for STM32F091 devices.
+ * @param DMA_IT: specifies the DMA interrupts sources to be enabled
+ * or disabled.
+ * This parameter can be any combination of the following values:
+ * @arg DMA_IT_TC: Transfer complete interrupt mask
+ * @arg DMA_IT_HT: Half transfer interrupt mask
+ * @arg DMA_IT_TE: Transfer error interrupt mask
+ * @param NewState: new state of the specified DMA interrupts.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void DMA_ITConfig(DMA_Channel_TypeDef* DMAy_Channelx, uint32_t DMA_IT, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_DMA_ALL_PERIPH(DMAy_Channelx));
+ assert_param(IS_DMA_CONFIG_IT(DMA_IT));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected DMA interrupts */
+ DMAy_Channelx->CCR |= DMA_IT;
+ }
+ else
+ {
+ /* Disable the selected DMA interrupts */
+ DMAy_Channelx->CCR &= ~DMA_IT;
+ }
+}
+
+/**
+ * @brief Checks whether the specified DMAy Channelx flag is set or not.
+ * @param DMA_FLAG: specifies the flag to check.
+ * This parameter can be one of the following values:
+ * @arg DMA1_FLAG_GL1: DMA1 Channel1 global flag.
+ * @arg DMA1_FLAG_TC1: DMA1 Channel1 transfer complete flag.
+ * @arg DMA1_FLAG_HT1: DMA1 Channel1 half transfer flag.
+ * @arg DMA1_FLAG_TE1: DMA1 Channel1 transfer error flag.
+ * @arg DMA1_FLAG_GL2: DMA1 Channel2 global flag.
+ * @arg DMA1_FLAG_TC2: DMA1 Channel2 transfer complete flag.
+ * @arg DMA1_FLAG_HT2: DMA1 Channel2 half transfer flag.
+ * @arg DMA1_FLAG_TE2: DMA1 Channel2 transfer error flag.
+ * @arg DMA1_FLAG_GL3: DMA1 Channel3 global flag.
+ * @arg DMA1_FLAG_TC3: DMA1 Channel3 transfer complete flag.
+ * @arg DMA1_FLAG_HT3: DMA1 Channel3 half transfer flag.
+ * @arg DMA1_FLAG_TE3: DMA1 Channel3 transfer error flag.
+ * @arg DMA1_FLAG_GL4: DMA1 Channel4 global flag.
+ * @arg DMA1_FLAG_TC4: DMA1 Channel4 transfer complete flag.
+ * @arg DMA1_FLAG_HT4: DMA1 Channel4 half transfer flag.
+ * @arg DMA1_FLAG_TE4: DMA1 Channel4 transfer error flag.
+ * @arg DMA1_FLAG_GL5: DMA1 Channel5 global flag.
+ * @arg DMA1_FLAG_TC5: DMA1 Channel5 transfer complete flag.
+ * @arg DMA1_FLAG_HT5: DMA1 Channel5 half transfer flag.
+ * @arg DMA1_FLAG_TE5: DMA1 Channel5 transfer error flag.
+ * @arg DMA1_FLAG_GL6: DMA1 Channel6 global flag, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_FLAG_TC6: DMA1 Channel6 transfer complete flag, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_FLAG_HT6: DMA1 Channel6 half transfer flag, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_FLAG_TE6: DMA1 Channel6 transfer error flag, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_FLAG_GL7: DMA1 Channel7 global flag, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_FLAG_TC7: DMA1 Channel7 transfer complete flag, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_FLAG_HT7: DMA1 Channel7 half transfer flag, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_FLAG_TE7: DMA1 Channel7 transfer error flag, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA2_FLAG_GL1: DMA2 Channel1 global flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TC1: DMA2 Channel1 transfer complete flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_HT1: DMA2 Channel1 half transfer flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TE1: DMA2 Channel1 transfer error flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_GL2: DMA2 Channel2 global flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TC2: DMA2 Channel2 transfer complete flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_HT2: DMA2 Channel2 half transfer flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TE2: DMA2 Channel2 transfer error flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_GL3: DMA2 Channel3 global flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TC3: DMA2 Channel3 transfer complete flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_HT3: DMA2 Channel3 half transfer flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TE3: DMA2 Channel3 transfer error flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_GL4: DMA2 Channel4 global flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TC4: DMA2 Channel4 transfer complete flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_HT4: DMA2 Channel4 half transfer flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TE4: DMA2 Channel4 transfer error flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_GL5: DMA2 Channel5 global flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TC5: DMA2 Channel5 transfer complete flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_HT5: DMA2 Channel5 half transfer flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TE5: DMA2 Channel5 transfer error flag, applicable only for STM32FO91 devices.
+ * @note The Global flag (DMAy_FLAG_GLx) is set whenever any of the other flags
+ * relative to the same channel is set (Transfer Complete, Half-transfer
+ * Complete or Transfer Error flags: DMAy_FLAG_TCx, DMAy_FLAG_HTx or
+ * DMAy_FLAG_TEx).
+ *
+ * @retval The new state of DMA_FLAG (SET or RESET).
+ */
+FlagStatus DMA_GetFlagStatus(uint32_t DMAy_FLAG)
+{
+ FlagStatus bitstatus = RESET;
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_DMA_GET_FLAG(DMAy_FLAG));
+
+ /* Calculate the used DMAy */
+ if ((DMAy_FLAG & FLAG_Mask) != (uint32_t)RESET)
+ {
+ /* Get DMA2 ISR register value */
+ tmpreg = DMA2->ISR ;
+ }
+ else
+ {
+ /* Get DMA1 ISR register value */
+ tmpreg = DMA1->ISR ;
+ }
+
+ /* Check the status of the specified DMAy flag */
+ if ((tmpreg & DMAy_FLAG) != (uint32_t)RESET)
+ {
+ /* DMAy_FLAG is set */
+ bitstatus = SET;
+ }
+ else
+ {
+ /* DMAy_FLAG is reset */
+ bitstatus = RESET;
+ }
+
+ /* Return the DMAy_FLAG status */
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the DMAy Channelx's pending flags.
+ * @param DMA_FLAG: specifies the flag to clear.
+ * This parameter can be any combination (for the same DMA) of the following values:
+ * @arg DMA1_FLAG_GL1: DMA1 Channel1 global flag.
+ * @arg DMA1_FLAG_TC1: DMA1 Channel1 transfer complete flag.
+ * @arg DMA1_FLAG_HT1: DMA1 Channel1 half transfer flag.
+ * @arg DMA1_FLAG_TE1: DMA1 Channel1 transfer error flag.
+ * @arg DMA1_FLAG_GL2: DMA1 Channel2 global flag.
+ * @arg DMA1_FLAG_TC2: DMA1 Channel2 transfer complete flag.
+ * @arg DMA1_FLAG_HT2: DMA1 Channel2 half transfer flag.
+ * @arg DMA1_FLAG_TE2: DMA1 Channel2 transfer error flag.
+ * @arg DMA1_FLAG_GL3: DMA1 Channel3 global flag.
+ * @arg DMA1_FLAG_TC3: DMA1 Channel3 transfer complete flag.
+ * @arg DMA1_FLAG_HT3: DMA1 Channel3 half transfer flag.
+ * @arg DMA1_FLAG_TE3: DMA1 Channel3 transfer error flag.
+ * @arg DMA1_FLAG_GL4: DMA1 Channel4 global flag.
+ * @arg DMA1_FLAG_TC4: DMA1 Channel4 transfer complete flag.
+ * @arg DMA1_FLAG_HT4: DMA1 Channel4 half transfer flag.
+ * @arg DMA1_FLAG_TE4: DMA1 Channel4 transfer error flag.
+ * @arg DMA1_FLAG_GL5: DMA1 Channel5 global flag.
+ * @arg DMA1_FLAG_TC5: DMA1 Channel5 transfer complete flag.
+ * @arg DMA1_FLAG_HT5: DMA1 Channel5 half transfer flag.
+ * @arg DMA1_FLAG_TE5: DMA1 Channel5 transfer error flag.
+ * @arg DMA1_FLAG_GL6: DMA1 Channel6 global flag, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_FLAG_TC6: DMA1 Channel6 transfer complete flag, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_FLAG_HT6: DMA1 Channel6 half transfer flag, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_FLAG_TE6: DMA1 Channel6 transfer error flag, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_FLAG_GL7: DMA1 Channel7 global flag, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_FLAG_TC7: DMA1 Channel7 transfer complete flag, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_FLAG_HT7: DMA1 Channel7 half transfer flag, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_FLAG_TE7: DMA1 Channel7 transfer error flag, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA2_FLAG_GL1: DMA2 Channel1 global flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TC1: DMA2 Channel1 transfer complete flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_HT1: DMA2 Channel1 half transfer flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TE1: DMA2 Channel1 transfer error flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_GL2: DMA2 Channel2 global flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TC2: DMA2 Channel2 transfer complete flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_HT2: DMA2 Channel2 half transfer flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TE2: DMA2 Channel2 transfer error flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_GL3: DMA2 Channel3 global flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TC3: DMA2 Channel3 transfer complete flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_HT3: DMA2 Channel3 half transfer flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TE3: DMA2 Channel3 transfer error flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_GL4: DMA2 Channel4 global flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TC4: DMA2 Channel4 transfer complete flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_HT4: DMA2 Channel4 half transfer flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TE4: DMA2 Channel4 transfer error flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_GL5: DMA2 Channel5 global flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TC5: DMA2 Channel5 transfer complete flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_HT5: DMA2 Channel5 half transfer flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TE5: DMA2 Channel5 transfer error flag, applicable only for STM32FO91 devices.
+ *
+ * @note Clearing the Global flag (DMAy_FLAG_GLx) results in clearing all other flags
+ * relative to the same channel (Transfer Complete, Half-transfer Complete and
+ * Transfer Error flags: DMAy_FLAG_TCx, DMAy_FLAG_HTx and DMAy_FLAG_TEx).
+ *
+ * @retval None
+ */
+void DMA_ClearFlag(uint32_t DMAy_FLAG)
+{
+ /* Check the parameters */
+ assert_param(IS_DMA_CLEAR_FLAG(DMAy_FLAG));
+
+/* Calculate the used DMAy */
+ if ((DMAy_FLAG & FLAG_Mask) != (uint32_t)RESET)
+ {
+ /* Clear the selected DMAy flags */
+ DMA2->IFCR = DMAy_FLAG;
+ }
+ else
+ {
+ /* Clear the selected DMAy flags */
+ DMA1->IFCR = DMAy_FLAG;
+ }
+}
+
+/**
+ * @brief Checks whether the specified DMAy Channelx interrupt has occurred or not.
+ * @param DMA_IT: specifies the DMA interrupt source to check.
+ * This parameter can be one of the following values:
+ * @arg DMA1_IT_GL1: DMA1 Channel1 global interrupt.
+ * @arg DMA1_IT_TC1: DMA1 Channel1 transfer complete interrupt.
+ * @arg DMA1_IT_HT1: DMA1 Channel1 half transfer interrupt.
+ * @arg DMA1_IT_TE1: DMA1 Channel1 transfer error interrupt.
+ * @arg DMA1_IT_GL2: DMA1 Channel2 global interrupt.
+ * @arg DMA1_IT_TC2: DMA1 Channel2 transfer complete interrupt.
+ * @arg DMA1_IT_HT2: DMA1 Channel2 half transfer interrupt.
+ * @arg DMA1_IT_TE2: DMA1 Channel2 transfer error interrupt.
+ * @arg DMA1_IT_GL3: DMA1 Channel3 global interrupt.
+ * @arg DMA1_IT_TC3: DMA1 Channel3 transfer complete interrupt.
+ * @arg DMA1_IT_HT3: DMA1 Channel3 half transfer interrupt.
+ * @arg DMA1_IT_TE3: DMA1 Channel3 transfer error interrupt.
+ * @arg DMA1_IT_GL4: DMA1 Channel4 global interrupt.
+ * @arg DMA1_IT_TC4: DMA1 Channel4 transfer complete interrupt.
+ * @arg DMA1_IT_HT4: DMA1 Channel4 half transfer interrupt.
+ * @arg DMA1_IT_TE4: DMA1 Channel4 transfer error interrupt.
+ * @arg DMA1_IT_GL5: DMA1 Channel5 global interrupt.
+ * @arg DMA1_IT_TC5: DMA1 Channel5 transfer complete interrupt.
+ * @arg DMA1_IT_HT5: DMA1 Channel5 half transfer interrupt.
+ * @arg DMA1_IT_TE5: DMA1 Channel5 transfer error interrupt.
+ * @arg DMA1_IT_GL6: DMA1 Channel6 global interrupt, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_IT_TC6: DMA1 Channel6 transfer complete interrupt, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_IT_HT6: DMA1 Channel6 half transfer interrupt, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_IT_TE6: DMA1 Channel6 transfer error interrupt, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_IT_GL7: DMA1 Channel7 global interrupt, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_IT_TC7: DMA1 Channel7 transfer complete interrupt, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_IT_HT7: DMA1 Channel7 half transfer interrupt, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_IT_TE7: DMA1 Channel7 transfer error interrupt, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA2_IT_GL1: DMA2 Channel1 global interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TC1: DMA2 Channel1 transfer complete interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_HT1: DMA2 Channel1 half transfer interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TE1: DMA2 Channel1 transfer error interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_GL2: DMA2 Channel2 global interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TC2: DMA2 Channel2 transfer complete interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_HT2: DMA2 Channel2 half transfer interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TE2: DMA2 Channel2 transfer error interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_GL3: DMA2 Channel3 global interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TC3: DMA2 Channel3 transfer complete interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_HT3: DMA2 Channel3 half transfer interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TE3: DMA2 Channel3 transfer error interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_GL4: DMA2 Channel4 global interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TC4: DMA2 Channel4 transfer complete interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_HT4: DMA2 Channel4 half transfer interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TE4: DMA2 Channel4 transfer error interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_GL5: DMA2 Channel5 global interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TC5: DMA2 Channel5 transfer complete interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_HT5: DMA2 Channel5 half transfer interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TE5: DMA2 Channel5 transfer error interrupt, applicable only for STM32FO91 devices.
+ * @note The Global interrupt (DMAy_FLAG_GLx) is set whenever any of the other
+ * interrupts relative to the same channel is set (Transfer Complete,
+ * Half-transfer Complete or Transfer Error interrupts: DMAy_IT_TCx,
+ * DMAy_IT_HTx or DMAy_IT_TEx).
+ *
+ * @retval The new state of DMA_IT (SET or RESET).
+ */
+ITStatus DMA_GetITStatus(uint32_t DMAy_IT)
+{
+ ITStatus bitstatus = RESET;
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_DMA_GET_IT(DMAy_IT));
+
+ /* Calculate the used DMA */
+ if ((DMAy_IT & FLAG_Mask) != (uint32_t)RESET)
+ {
+ /* Get DMA2 ISR register value */
+ tmpreg = DMA2->ISR;
+ }
+ else
+ {
+ /* Get DMA1 ISR register value */
+ tmpreg = DMA1->ISR;
+ }
+
+ /* Check the status of the specified DMAy interrupt */
+ if ((tmpreg & DMAy_IT) != (uint32_t)RESET)
+ {
+ /* DMAy_IT is set */
+ bitstatus = SET;
+ }
+ else
+ {
+ /* DMAy_IT is reset */
+ bitstatus = RESET;
+ }
+ /* Return the DMAy_IT status */
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the DMAy Channelx's interrupt pending bits.
+ * @param DMA_IT: specifies the DMA interrupt pending bit to clear.
+ * This parameter can be any combination (for the same DMA) of the following values:
+ * @arg DMA1_IT_GL1: DMA1 Channel1 global interrupt.
+ * @arg DMA1_IT_TC1: DMA1 Channel1 transfer complete interrupt.
+ * @arg DMA1_IT_HT1: DMA1 Channel1 half transfer interrupt.
+ * @arg DMA1_IT_TE1: DMA1 Channel1 transfer error interrupt.
+ * @arg DMA1_IT_GL2: DMA1 Channel2 global interrupt.
+ * @arg DMA1_IT_TC2: DMA1 Channel2 transfer complete interrupt.
+ * @arg DMA1_IT_HT2: DMA1 Channel2 half transfer interrupt.
+ * @arg DMA1_IT_TE2: DMA1 Channel2 transfer error interrupt.
+ * @arg DMA1_IT_GL3: DMA1 Channel3 global interrupt.
+ * @arg DMA1_IT_TC3: DMA1 Channel3 transfer complete interrupt.
+ * @arg DMA1_IT_HT3: DMA1 Channel3 half transfer interrupt.
+ * @arg DMA1_IT_TE3: DMA1 Channel3 transfer error interrupt.
+ * @arg DMA1_IT_GL4: DMA1 Channel4 global interrupt.
+ * @arg DMA1_IT_TC4: DMA1 Channel4 transfer complete interrupt.
+ * @arg DMA1_IT_HT4: DMA1 Channel4 half transfer interrupt.
+ * @arg DMA1_IT_TE4: DMA1 Channel4 transfer error interrupt.
+ * @arg DMA1_IT_GL5: DMA1 Channel5 global interrupt.
+ * @arg DMA1_IT_TC5: DMA1 Channel5 transfer complete interrupt.
+ * @arg DMA1_IT_HT5: DMA1 Channel5 half transfer interrupt.
+ * @arg DMA1_IT_TE5: DMA1 Channel5 transfer error interrupt.
+ * @arg DMA1_IT_GL6: DMA1 Channel6 global interrupt, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_IT_TC6: DMA1 Channel6 transfer complete interrupt, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_IT_HT6: DMA1 Channel6 half transfer interrupt, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_IT_TE6: DMA1 Channel6 transfer error interrupt, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_IT_GL7: DMA1 Channel7 global interrupt, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_IT_TC7: DMA1 Channel7 transfer complete interrupt, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_IT_HT7: DMA1 Channel7 half transfer interrupt, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_IT_TE7: DMA1 Channel7 transfer error interrupt, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA2_IT_GL1: DMA2 Channel1 global interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TC1: DMA2 Channel1 transfer complete interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_HT1: DMA2 Channel1 half transfer interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TE1: DMA2 Channel1 transfer error interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_GL2: DMA2 Channel2 global interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TC2: DMA2 Channel2 transfer complete interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_HT2: DMA2 Channel2 half transfer interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TE2: DMA2 Channel2 transfer error interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_GL3: DMA2 Channel3 global interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TC3: DMA2 Channel3 transfer complete interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_HT3: DMA2 Channel3 half transfer interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TE3: DMA2 Channel3 transfer error interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_GL4: DMA2 Channel4 global interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TC4: DMA2 Channel4 transfer complete interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_HT4: DMA2 Channel4 half transfer interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TE4: DMA2 Channel4 transfer error interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_GL5: DMA2 Channel5 global interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TC5: DMA2 Channel5 transfer complete interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_HT5: DMA2 Channel5 half transfer interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TE5: DMA2 Channel5 transfer error interrupt, applicable only for STM32FO91 devices.
+ *
+ * @note Clearing the Global interrupt (DMAy_IT_GLx) results in clearing all other
+ * interrupts relative to the same channel (Transfer Complete, Half-transfer
+ * Complete and Transfer Error interrupts: DMAy_IT_TCx, DMAy_IT_HTx and
+ * DMAy_IT_TEx).
+ *
+ * @retval None
+ */
+void DMA_ClearITPendingBit(uint32_t DMAy_IT)
+{
+ /* Check the parameters */
+ assert_param(IS_DMA_CLEAR_IT(DMAy_IT));
+
+ /* Calculate the used DMAy */
+ if ((DMAy_IT & FLAG_Mask) != (uint32_t)RESET)
+ {
+ /* Clear the selected DMAy interrupt pending bits */
+ DMA2->IFCR = DMAy_IT;
+ }
+ else
+ {
+ /* Clear the selected DMAy interrupt pending bits */
+ DMA1->IFCR = DMAy_IT;
+ }
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_exti.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_exti.c
new file mode 100644
index 00000000..5c0bd6a2
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_exti.c
@@ -0,0 +1,314 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_exti.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the EXTI peripheral:
+ * + Initialization and Configuration
+ * + Interrupts and flags management
+ *
+ * @verbatim
+ ==============================================================================
+ ##### EXTI features #####
+ ==============================================================================
+ [..] External interrupt/event lines are mapped as following:
+ (#) All available GPIO pins are connected to the 16 external
+ interrupt/event lines from EXTI0 to EXTI15.
+ (#) EXTI line 16 is connected to the PVD output, not applicable for STM32F030 devices.
+ (#) EXTI line 17 is connected to the RTC Alarm event.
+ (#) EXTI line 18 is connected to the RTC Alarm event, applicable only for STM32F072 devices.
+ (#) EXTI line 19 is connected to the RTC Tamper and TimeStamp events.
+ (#) EXTI line 20 is connected to the RTC wakeup event, applicable only for STM32F072 devices.
+ (#) EXTI line 21 is connected to the Comparator 1 wakeup event, applicable only for STM32F051 and STM32F072 devices.
+ (#) EXTI line 22 is connected to the Comparator 2 wakeup event, applicable only for STM32F051 and STM32F072 devices.
+ (#) EXTI line 23 is connected to the I2C1 wakeup event, not applicable for STM32F030 devices.
+ (#) EXTI line 25 is connected to the USART1 wakeup event, not applicable for STM32F030 devices.
+ (#) EXTI line 26 is connected to the USART2 wakeup event, applicable only for STM32F072 devices.
+ (#) EXTI line 27 is connected to the CEC wakeup event, applicable only for STM32F051 and STM32F072 devices.
+ (#) EXTI line 31 is connected to the VDD USB monitor event, applicable only for STM32F072 devices.
+
+ ##### How to use this driver #####
+ ==============================================================================
+ [..] In order to use an I/O pin as an external interrupt source, follow
+ steps below:
+ (#) Configure the I/O in input mode using GPIO_Init()
+ (#) Select the input source pin for the EXTI line using
+ SYSCFG_EXTILineConfig().
+ (#) Select the mode(interrupt, event) and configure the trigger selection
+ (Rising, falling or both) using EXTI_Init(). For the internal interrupt,
+ the trigger selection is not needed( the active edge is always the rising one).
+ (#) Configure NVIC IRQ channel mapped to the EXTI line using NVIC_Init().
+ (#) Optionally, you can generate a software interrupt using the function EXTI_GenerateSWInterrupt().
+ [..]
+ (@) SYSCFG APB clock must be enabled to get write access to SYSCFG_EXTICRx
+ registers using RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
+ @endverbatim
+ *
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_exti.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup EXTI
+ * @brief EXTI driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+#define EXTI_LINENONE ((uint32_t)0x00000) /* No interrupt selected */
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup EXTI_Private_Functions
+ * @{
+ */
+
+/** @defgroup EXTI_Group1 Initialization and Configuration functions
+ * @brief Initialization and Configuration functions
+ *
+@verbatim
+ ==============================================================================
+ ##### Initialization and Configuration functions #####
+ ==============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Deinitializes the EXTI peripheral registers to their default reset
+ * values.
+ * @param None
+ * @retval None
+ */
+void EXTI_DeInit(void)
+{
+ EXTI->IMR = 0x0F940000;
+ EXTI->EMR = 0x00000000;
+ EXTI->RTSR = 0x00000000;
+ EXTI->FTSR = 0x00000000;
+ EXTI->PR = 0x006BFFFF;
+}
+
+/**
+ * @brief Initializes the EXTI peripheral according to the specified
+ * parameters in the EXTI_InitStruct.
+ * @param EXTI_InitStruct: pointer to a EXTI_InitTypeDef structure that
+ * contains the configuration information for the EXTI peripheral.
+ * @retval None
+ */
+void EXTI_Init(EXTI_InitTypeDef* EXTI_InitStruct)
+{
+ uint32_t tmp = 0;
+
+ /* Check the parameters */
+ assert_param(IS_EXTI_MODE(EXTI_InitStruct->EXTI_Mode));
+ assert_param(IS_EXTI_TRIGGER(EXTI_InitStruct->EXTI_Trigger));
+ assert_param(IS_EXTI_LINE(EXTI_InitStruct->EXTI_Line));
+ assert_param(IS_FUNCTIONAL_STATE(EXTI_InitStruct->EXTI_LineCmd));
+
+ tmp = (uint32_t)EXTI_BASE;
+
+ if (EXTI_InitStruct->EXTI_LineCmd != DISABLE)
+ {
+ /* Clear EXTI line configuration */
+ EXTI->IMR &= ~EXTI_InitStruct->EXTI_Line;
+ EXTI->EMR &= ~EXTI_InitStruct->EXTI_Line;
+
+ tmp += EXTI_InitStruct->EXTI_Mode;
+
+ *(__IO uint32_t *) tmp |= EXTI_InitStruct->EXTI_Line;
+
+ /* Clear Rising Falling edge configuration */
+ EXTI->RTSR &= ~EXTI_InitStruct->EXTI_Line;
+ EXTI->FTSR &= ~EXTI_InitStruct->EXTI_Line;
+
+ /* Select the trigger for the selected interrupts */
+ if (EXTI_InitStruct->EXTI_Trigger == EXTI_Trigger_Rising_Falling)
+ {
+ /* Rising Falling edge */
+ EXTI->RTSR |= EXTI_InitStruct->EXTI_Line;
+ EXTI->FTSR |= EXTI_InitStruct->EXTI_Line;
+ }
+ else
+ {
+ tmp = (uint32_t)EXTI_BASE;
+ tmp += EXTI_InitStruct->EXTI_Trigger;
+
+ *(__IO uint32_t *) tmp |= EXTI_InitStruct->EXTI_Line;
+ }
+ }
+ else
+ {
+ tmp += EXTI_InitStruct->EXTI_Mode;
+
+ /* Disable the selected external lines */
+ *(__IO uint32_t *) tmp &= ~EXTI_InitStruct->EXTI_Line;
+ }
+}
+
+/**
+ * @brief Fills each EXTI_InitStruct member with its reset value.
+ * @param EXTI_InitStruct: pointer to a EXTI_InitTypeDef structure which will
+ * be initialized.
+ * @retval None
+ */
+void EXTI_StructInit(EXTI_InitTypeDef* EXTI_InitStruct)
+{
+ EXTI_InitStruct->EXTI_Line = EXTI_LINENONE;
+ EXTI_InitStruct->EXTI_Mode = EXTI_Mode_Interrupt;
+ EXTI_InitStruct->EXTI_Trigger = EXTI_Trigger_Falling;
+ EXTI_InitStruct->EXTI_LineCmd = DISABLE;
+}
+
+/**
+ * @brief Generates a Software interrupt on selected EXTI line.
+ * @param EXTI_Line: specifies the EXTI line on which the software interrupt
+ * will be generated.
+ * This parameter can be any combination of EXTI_Linex where x can be (0..27).
+ * @retval None
+ */
+void EXTI_GenerateSWInterrupt(uint32_t EXTI_Line)
+{
+ /* Check the parameters */
+ assert_param(IS_EXTI_LINE(EXTI_Line));
+
+ EXTI->SWIER |= EXTI_Line;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup EXTI_Group2 Interrupts and flags management functions
+ * @brief Interrupts and flags management functions
+ *
+@verbatim
+ ==============================================================================
+ ##### Interrupts and flags management functions #####
+ ==============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Checks whether the specified EXTI line flag is set or not.
+ * @param EXTI_Line: specifies the EXTI line flag to check.
+ * This parameter can be EXTI_Linex where x can be (0..27).
+ * @retval The new state of EXTI_Line (SET or RESET).
+ */
+FlagStatus EXTI_GetFlagStatus(uint32_t EXTI_Line)
+{
+ FlagStatus bitstatus = RESET;
+ /* Check the parameters */
+ assert_param(IS_GET_EXTI_LINE(EXTI_Line));
+
+ if ((EXTI->PR & EXTI_Line) != (uint32_t)RESET)
+ {
+ bitstatus = SET;
+ }
+ else
+ {
+ bitstatus = RESET;
+ }
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the EXTI's line pending flags.
+ * @param EXTI_Line: specifies the EXTI lines flags to clear.
+ * This parameter can be any combination of EXTI_Linex where x can be (0..27).
+ * @retval None
+ */
+void EXTI_ClearFlag(uint32_t EXTI_Line)
+{
+ /* Check the parameters */
+ assert_param(IS_EXTI_LINE(EXTI_Line));
+
+ EXTI->PR = EXTI_Line;
+}
+
+/**
+ * @brief Checks whether the specified EXTI line is asserted or not.
+ * @param EXTI_Line: specifies the EXTI line to check.
+ * This parameter can be EXTI_Linex where x can be (0..27).
+ * @retval The new state of EXTI_Line (SET or RESET).
+ */
+ITStatus EXTI_GetITStatus(uint32_t EXTI_Line)
+{
+ ITStatus bitstatus = RESET;
+
+ /* Check the parameters */
+ assert_param(IS_GET_EXTI_LINE(EXTI_Line));
+
+ if ((EXTI->PR & EXTI_Line) != (uint32_t)RESET)
+ {
+ bitstatus = SET;
+ }
+ else
+ {
+ bitstatus = RESET;
+ }
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the EXTI's line pending bits.
+ * @param EXTI_Line: specifies the EXTI lines to clear.
+ * This parameter can be any combination of EXTI_Linex where x can be (0..27).
+ * @retval None
+ */
+void EXTI_ClearITPendingBit(uint32_t EXTI_Line)
+{
+ /* Check the parameters */
+ assert_param(IS_EXTI_LINE(EXTI_Line));
+
+ EXTI->PR = EXTI_Line;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_flash.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_flash.c
new file mode 100644
index 00000000..98ff4aa8
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_flash.c
@@ -0,0 +1,1256 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_flash.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the FLASH peripheral:
+ * - FLASH Interface configuration
+ * - FLASH Memory Programming
+ * - Option Bytes Programming
+ * - Interrupts and flags management
+ *
+ * @verbatim
+ ===============================================================================
+ ##### How to use this driver #####
+ ===============================================================================
+ [..] This driver provides functions to configure and program the Flash
+ memory of all STM32F0xx devices. These functions are split in 4 groups
+ (#) FLASH Interface configuration functions: this group includes the
+ management of following features:
+ (++) Set the latency
+ (++) Enable/Disable the prefetch buffer
+
+ (#) FLASH Memory Programming functions: this group includes all needed
+ functions to erase and program the main memory:
+ (++) Lock and Unlock the Flash interface.
+ (++) Erase function: Erase Page, erase all pages.
+ (++) Program functions: Half Word and Word write.
+
+ (#) FLASH Option Bytes Programming functions: this group includes all
+ needed functions to:
+ (++) Lock and Unlock the Flash Option bytes.
+ (++) Launch the Option Bytes loader
+ (++) Erase the Option Bytes
+ (++)Set/Reset the write protection
+ (++) Set the Read protection Level
+ (++) Program the user option Bytes
+ (++) Set/Reset the BOOT1 bit
+ (++) Enable/Disable the VDDA Analog Monitoring
+ (++) Get the user option bytes
+ (++) Get the Write protection
+ (++) Get the read protection status
+
+ (#) FLASH Interrupts and flag management functions: this group includes
+ all needed functions to:
+ (++) Enable/Disable the flash interrupt sources
+ (++) Get flags status
+ (++) Clear flags
+ (++) Get Flash operation status
+ (++) Wait for last flash operation
+
+ @endverbatim
+
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_flash.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup FLASH
+ * @brief FLASH driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup FLASH_Private_Functions
+ * @{
+ */
+
+/** @defgroup FLASH_Group1 FLASH Interface configuration functions
+ * @brief FLASH Interface configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### FLASH Interface configuration functions #####
+ ===============================================================================
+
+ [..] FLASH_Interface configuration_Functions, includes the following functions:
+ (+) void FLASH_SetLatency(uint32_t FLASH_Latency):
+ [..] To correctly read data from Flash memory, the number of wait states (LATENCY)
+ must be correctly programmed according to the frequency of the CPU clock (HCLK)
+ [..]
+ +--------------------------------------------- +
+ | Wait states | HCLK clock frequency (MHz) |
+ |---------------|------------------------------|
+ |0WS(1CPU cycle)| 0 < HCLK <= 24 |
+ |---------------|------------------------------|
+ |1WS(2CPU cycle)| 24 < HCLK <= 48 |
+ +----------------------------------------------+
+ [..]
+ (+) void FLASH_PrefetchBufferCmd(FunctionalState NewState);
+ [..]
+ All these functions don't need the unlock sequence.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Sets the code latency value.
+ * @param FLASH_Latency: specifies the FLASH Latency value.
+ * This parameter can be one of the following values:
+ * @arg FLASH_Latency_0: FLASH Zero Latency cycle
+ * @arg FLASH_Latency_1: FLASH One Latency cycle
+ * @retval None
+ */
+void FLASH_SetLatency(uint32_t FLASH_Latency)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_FLASH_LATENCY(FLASH_Latency));
+
+ /* Read the ACR register */
+ tmpreg = FLASH->ACR;
+
+ /* Sets the Latency value */
+ tmpreg &= (uint32_t) (~((uint32_t)FLASH_ACR_LATENCY));
+ tmpreg |= FLASH_Latency;
+
+ /* Write the ACR register */
+ FLASH->ACR = tmpreg;
+}
+
+/**
+ * @brief Enables or disables the Prefetch Buffer.
+ * @param NewState: new state of the FLASH prefetch buffer.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void FLASH_PrefetchBufferCmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if(NewState != DISABLE)
+ {
+ FLASH->ACR |= FLASH_ACR_PRFTBE;
+ }
+ else
+ {
+ FLASH->ACR &= (uint32_t)(~((uint32_t)FLASH_ACR_PRFTBE));
+ }
+}
+
+/**
+ * @brief Checks whether the FLASH Prefetch Buffer status is set or not.
+ * @param None
+ * @retval FLASH Prefetch Buffer Status (SET or RESET).
+ */
+FlagStatus FLASH_GetPrefetchBufferStatus(void)
+{
+ FlagStatus bitstatus = RESET;
+
+ if ((FLASH->ACR & FLASH_ACR_PRFTBS) != (uint32_t)RESET)
+ {
+ bitstatus = SET;
+ }
+ else
+ {
+ bitstatus = RESET;
+ }
+ /* Return the new state of FLASH Prefetch Buffer Status (SET or RESET) */
+ return bitstatus;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup FLASH_Group2 FLASH Memory Programming functions
+ * @brief FLASH Memory Programming functions
+ *
+@verbatim
+ ===============================================================================
+ ##### FLASH Memory Programming functions #####
+ ===============================================================================
+
+ [..] The FLASH Memory Programming functions, includes the following functions:
+ (+) void FLASH_Unlock(void);
+ (+) void FLASH_Lock(void);
+ (+) FLASH_Status FLASH_ErasePage(uint32_t Page_Address);
+ (+) FLASH_Status FLASH_EraseAllPages(void);
+ (+) FLASH_Status FLASH_ProgramWord(uint32_t Address, uint32_t Data);
+ (+) FLASH_Status FLASH_ProgramHalfWord(uint32_t Address, uint16_t Data);
+
+ [..] Any operation of erase or program should follow these steps:
+
+ (#) Call the FLASH_Unlock() function to enable the flash control register and
+ program memory access
+ (#) Call the desired function to erase page or program data
+ (#) Call the FLASH_Lock() to disable the flash program memory access
+ (recommended to protect the FLASH memory against possible unwanted operation)
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Unlocks the FLASH control register and program memory access.
+ * @param None
+ * @retval None
+ */
+void FLASH_Unlock(void)
+{
+ if((FLASH->CR & FLASH_CR_LOCK) != RESET)
+ {
+ /* Unlocking the program memory access */
+ FLASH->KEYR = FLASH_FKEY1;
+ FLASH->KEYR = FLASH_FKEY2;
+ }
+}
+
+/**
+ * @brief Locks the Program memory access.
+ * @param None
+ * @retval None
+ */
+void FLASH_Lock(void)
+{
+ /* Set the LOCK Bit to lock the FLASH control register and program memory access */
+ FLASH->CR |= FLASH_CR_LOCK;
+}
+
+/**
+ * @brief Erases a specified page in program memory.
+ * @note To correctly run this function, the FLASH_Unlock() function must be called before.
+ * @note Call the FLASH_Lock() to disable the flash memory access (recommended
+ * to protect the FLASH memory against possible unwanted operation)
+ * @param Page_Address: The page address in program memory to be erased.
+ * @note A Page is erased in the Program memory only if the address to load
+ * is the start address of a page (multiple of 1024 bytes).
+ * @retval FLASH Status: The returned value can be:
+ * FLASH_ERROR_PROGRAM, FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.
+ */
+FLASH_Status FLASH_ErasePage(uint32_t Page_Address)
+{
+ FLASH_Status status = FLASH_COMPLETE;
+
+ /* Check the parameters */
+ assert_param(IS_FLASH_PROGRAM_ADDRESS(Page_Address));
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status == FLASH_COMPLETE)
+ {
+ /* If the previous operation is completed, proceed to erase the page */
+ FLASH->CR |= FLASH_CR_PER;
+ FLASH->AR = Page_Address;
+ FLASH->CR |= FLASH_CR_STRT;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ /* Disable the PER Bit */
+ FLASH->CR &= ~FLASH_CR_PER;
+ }
+
+ /* Return the Erase Status */
+ return status;
+}
+
+/**
+ * @brief Erases all FLASH pages.
+ * @note To correctly run this function, the FLASH_Unlock() function must be called before.
+ * @note Call the FLASH_Lock() to disable the flash memory access (recommended
+ * to protect the FLASH memory against possible unwanted operation)
+ * @param None
+ * @retval FLASH Status: The returned value can be: FLASH_ERROR_PG,
+ * FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.
+ */
+FLASH_Status FLASH_EraseAllPages(void)
+{
+ FLASH_Status status = FLASH_COMPLETE;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status == FLASH_COMPLETE)
+ {
+ /* if the previous operation is completed, proceed to erase all pages */
+ FLASH->CR |= FLASH_CR_MER;
+ FLASH->CR |= FLASH_CR_STRT;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ /* Disable the MER Bit */
+ FLASH->CR &= ~FLASH_CR_MER;
+ }
+
+ /* Return the Erase Status */
+ return status;
+}
+
+/**
+ * @brief Programs a word at a specified address.
+ * @note To correctly run this function, the FLASH_Unlock() function must be called before.
+ * @note Call the FLASH_Lock() to disable the flash memory access (recommended
+ * to protect the FLASH memory against possible unwanted operation)
+ * @param Address: specifies the address to be programmed.
+ * @param Data: specifies the data to be programmed.
+ * @retval FLASH Status: The returned value can be: FLASH_ERROR_PG,
+ * FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.
+ */
+FLASH_Status FLASH_ProgramWord(uint32_t Address, uint32_t Data)
+{
+ FLASH_Status status = FLASH_COMPLETE;
+ __IO uint32_t tmp = 0;
+
+ /* Check the parameters */
+ assert_param(IS_FLASH_PROGRAM_ADDRESS(Address));
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status == FLASH_COMPLETE)
+ {
+ /* If the previous operation is completed, proceed to program the new first
+ half word */
+ FLASH->CR |= FLASH_CR_PG;
+
+ *(__IO uint16_t*)Address = (uint16_t)Data;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status == FLASH_COMPLETE)
+ {
+ /* If the previous operation is completed, proceed to program the new second
+ half word */
+ tmp = Address + 2;
+
+ *(__IO uint16_t*) tmp = Data >> 16;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ /* Disable the PG Bit */
+ FLASH->CR &= ~FLASH_CR_PG;
+ }
+ else
+ {
+ /* Disable the PG Bit */
+ FLASH->CR &= ~FLASH_CR_PG;
+ }
+ }
+
+ /* Return the Program Status */
+ return status;
+}
+
+/**
+ * @brief Programs a half word at a specified address.
+ * @note To correctly run this function, the FLASH_Unlock() function must be called before.
+ * @note Call the FLASH_Lock() to disable the flash memory access (recommended
+ * to protect the FLASH memory against possible unwanted operation)
+ * @param Address: specifies the address to be programmed.
+ * @param Data: specifies the data to be programmed.
+ * @retval FLASH Status: The returned value can be: FLASH_ERROR_PG,
+ * FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.
+ */
+FLASH_Status FLASH_ProgramHalfWord(uint32_t Address, uint16_t Data)
+{
+ FLASH_Status status = FLASH_COMPLETE;
+
+ /* Check the parameters */
+ assert_param(IS_FLASH_PROGRAM_ADDRESS(Address));
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status == FLASH_COMPLETE)
+ {
+ /* If the previous operation is completed, proceed to program the new data */
+ FLASH->CR |= FLASH_CR_PG;
+
+ *(__IO uint16_t*)Address = Data;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ /* Disable the PG Bit */
+ FLASH->CR &= ~FLASH_CR_PG;
+ }
+
+ /* Return the Program Status */
+ return status;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup FLASH_Group3 Option Bytes Programming functions
+ * @brief Option Bytes Programming functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Option Bytes Programming functions #####
+ ===============================================================================
+
+ [..] The FLASH_Option Bytes Programming_functions, includes the following functions:
+ (+) void FLASH_OB_Unlock(void);
+ (+) void FLASH_OB_Lock(void);
+ (+) void FLASH_OB_Launch(void);
+ (+) FLASH_Status FLASH_OB_Erase(void);
+ (+) FLASH_Status FLASH_OB_WRPConfig(uint32_t OB_WRP, FunctionalState NewState);
+ (+) FLASH_Status FLASH_OB_RDPConfig(uint8_t OB_RDP);
+ (+) FLASH_Status FLASH_OB_UserConfig(uint8_t OB_IWDG, uint8_t OB_STOP, uint8_t OB_STDBY);
+ (+) FLASH_Status FLASH_OB_BOOTConfig(uint8_t OB_BOOT1);
+ (+) FLASH_Status FLASH_OB_VDDAConfig(uint8_t OB_VDDA_ANALOG);
+ (+) FLASH_Status FLASH_OB_WriteUser(uint8_t OB_USER);
+ (+) FLASH_OB_ProgramData(uint32_t Address, uint8_t Data);
+ (+) uint8_t FLASH_OB_GetUser(void);
+ (+) uint32_t FLASH_OB_GetWRP(void);
+ (+) FlagStatus FLASH_OB_GetRDP(void);
+
+ [..] Any operation of erase or program should follow these steps:
+
+ (#) Call the FLASH_OB_Unlock() function to enable the Option Bytes registers access
+
+ (#) Call one or several functions to program the desired option bytes
+ (++) FLASH_Status FLASH_OB_RDPConfig(uint8_t OB_RDP) => to set the desired read Protection Level
+ (++) FLASH_Status FLASH_OB_WRPConfig(uint32_t OB_WRP, FunctionalState NewState)
+ => to Enable/Disable the desired sector write protection
+ (++) FLASH_Status FLASH_OB_UserConfig(uint8_t OB_IWDG, uint8_t OB_STOP, uint8_t OB_STDBY)
+ => to configure the user option Bytes: IWDG, STOP and the Standby.
+ (++) FLASH_Status FLASH_OB_BOOTConfig(uint8_t OB_BOOT1)
+ => to set or reset BOOT1
+ (++) FLASH_Status FLASH_OB_VDDAConfig(uint8_t OB_VDDA_ANALOG)
+ => to enable or disable the VDDA Analog Monitoring
+ (++) You can write all User Options bytes at once using a single function
+ by calling FLASH_Status FLASH_OB_WriteUser(uint8_t OB_USER)
+ (++) FLASH_OB_ProgramData(uint32_t Address, uint8_t Data) to program the
+ two half word in the option bytes
+
+ (#) Once all needed option bytes to be programmed are correctly written, call the
+ FLASH_OB_Launch(void) function to launch the Option Bytes programming process.
+
+ (#) Call the FLASH_OB_Lock() to disable the Option Bytes registers access (recommended
+ to protect the option Bytes against possible unwanted operations)
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Unlocks the option bytes block access.
+ * @param None
+ * @retval None
+ */
+void FLASH_OB_Unlock(void)
+{
+ if((FLASH->CR & FLASH_CR_OPTWRE) == RESET)
+ {
+ /* Unlocking the option bytes block access */
+ FLASH->OPTKEYR = FLASH_OPTKEY1;
+ FLASH->OPTKEYR = FLASH_OPTKEY2;
+ }
+}
+
+/**
+ * @brief Locks the option bytes block access.
+ * @param None
+ * @retval None
+ */
+void FLASH_OB_Lock(void)
+{
+ /* Set the OPTWREN Bit to lock the option bytes block access */
+ FLASH->CR &= ~FLASH_CR_OPTWRE;
+}
+
+/**
+ * @brief Launch the option byte loading.
+ * @param None
+ * @retval None
+ */
+void FLASH_OB_Launch(void)
+{
+ /* Set the OBL_Launch bit to launch the option byte loading */
+ FLASH->CR |= FLASH_CR_OBL_LAUNCH;
+}
+
+/**
+ * @brief Erases the FLASH option bytes.
+ * @note To correctly run this function, the FLASH_OB_Unlock() function must be called before.
+ * @note Call the FLASH_OB_Lock() to disable the flash control register access and the option
+ * bytes (recommended to protect the FLASH memory against possible unwanted operation)
+ * @note This functions erases all option bytes except the Read protection (RDP).
+ * @param None
+ * @retval FLASH Status: The returned value can be: FLASH_ERROR_PG,
+ * FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.
+ */
+FLASH_Status FLASH_OB_Erase(void)
+{
+ uint16_t rdptmp = OB_RDP_Level_0;
+
+ FLASH_Status status = FLASH_COMPLETE;
+
+ /* Get the actual read protection Option Byte value */
+ if(FLASH_OB_GetRDP() != RESET)
+ {
+ rdptmp = 0x00;
+ }
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status == FLASH_COMPLETE)
+ {
+ /* If the previous operation is completed, proceed to erase the option bytes */
+ FLASH->CR |= FLASH_CR_OPTER;
+ FLASH->CR |= FLASH_CR_STRT;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status == FLASH_COMPLETE)
+ {
+ /* If the erase operation is completed, disable the OPTER Bit */
+ FLASH->CR &= ~FLASH_CR_OPTER;
+
+ /* Enable the Option Bytes Programming operation */
+ FLASH->CR |= FLASH_CR_OPTPG;
+
+ /* Restore the last read protection Option Byte value */
+ OB->RDP = (uint16_t)rdptmp;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status != FLASH_TIMEOUT)
+ {
+ /* if the program operation is completed, disable the OPTPG Bit */
+ FLASH->CR &= ~FLASH_CR_OPTPG;
+ }
+ }
+ else
+ {
+ if (status != FLASH_TIMEOUT)
+ {
+ /* Disable the OPTPG Bit */
+ FLASH->CR &= ~FLASH_CR_OPTPG;
+ }
+ }
+ }
+ /* Return the erase status */
+ return status;
+}
+
+/**
+ * @brief Write protects the desired pages
+ * @note To correctly run this function, the FLASH_OB_Unlock() function must be called before.
+ * @note Call the FLASH_OB_Lock() to disable the flash control register access and the option
+ * bytes (recommended to protect the FLASH memory against possible unwanted operation)
+ * @param OB_WRP: specifies the address of the pages to be write protected.
+ * This parameter can be:
+ * @arg OB_WRP_Pages0to3..OB_WRP_Pages60to63
+ * @arg OB_WRP_AllPages
+ * @retval FLASH Status: The returned value can be:
+ * FLASH_ERROR_PROGRAM, FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.
+ */
+FLASH_Status FLASH_OB_EnableWRP(uint32_t OB_WRP)
+{
+ uint16_t WRP0_Data = 0xFFFF, WRP1_Data = 0xFFFF, WRP2_Data = 0xFFFF, WRP3_Data = 0xFFFF;
+
+ FLASH_Status status = FLASH_COMPLETE;
+
+ /* Check the parameters */
+ assert_param(IS_OB_WRP(OB_WRP));
+
+ OB_WRP = (uint32_t)(~OB_WRP);
+ WRP0_Data = (uint16_t)(OB_WRP & OB_WRP0_WRP0);
+ WRP1_Data = (uint16_t)((OB_WRP >> 8) & OB_WRP0_WRP0);
+ WRP2_Data = (uint16_t)((OB_WRP >> 16) & OB_WRP0_WRP0) ;
+ WRP3_Data = (uint16_t)((OB_WRP >> 24) & OB_WRP0_WRP0) ;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status == FLASH_COMPLETE)
+ {
+ FLASH->CR |= FLASH_CR_OPTPG;
+
+ if(WRP0_Data != 0xFF)
+ {
+ OB->WRP0 = WRP0_Data;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+ }
+ if((status == FLASH_COMPLETE) && (WRP1_Data != 0xFF))
+ {
+ OB->WRP1 = WRP1_Data;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+ }
+ if((status == FLASH_COMPLETE) && (WRP2_Data != 0xFF))
+ {
+ OB->WRP2 = WRP2_Data;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+ }
+ if((status == FLASH_COMPLETE) && (WRP3_Data != 0xFF))
+ {
+ OB->WRP3 = WRP3_Data;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+ }
+ if(status != FLASH_TIMEOUT)
+ {
+ /* if the program operation is completed, disable the OPTPG Bit */
+ FLASH->CR &= ~FLASH_CR_OPTPG;
+ }
+ }
+ /* Return the write protection operation Status */
+ return status;
+}
+
+/**
+ * @brief Enables or disables the read out protection.
+ * @note To correctly run this function, the FLASH_OB_Unlock() function must be called before.
+ * @note Call the FLASH_OB_Lock() to disable the flash control register access and the option
+ * bytes (recommended to protect the FLASH memory against possible unwanted operation)
+ * @param FLASH_ReadProtection_Level: specifies the read protection level.
+ * This parameter can be:
+ * @arg OB_RDP_Level_0: No protection
+ * @arg OB_RDP_Level_1: Read protection of the memory
+ * @arg OB_RDP_Level_2: Chip protection
+ * @note When enabling OB_RDP level 2 it's no more possible to go back to level 1 or 0
+ * @retval FLASH Status: The returned value can be:
+ * FLASH_ERROR_PROGRAM, FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.
+ */
+FLASH_Status FLASH_OB_RDPConfig(uint8_t OB_RDP)
+{
+ FLASH_Status status = FLASH_COMPLETE;
+
+ /* Check the parameters */
+ assert_param(IS_OB_RDP(OB_RDP));
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status == FLASH_COMPLETE)
+ {
+ FLASH->CR |= FLASH_CR_OPTER;
+ FLASH->CR |= FLASH_CR_STRT;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status == FLASH_COMPLETE)
+ {
+ /* If the erase operation is completed, disable the OPTER Bit */
+ FLASH->CR &= ~FLASH_CR_OPTER;
+
+ /* Enable the Option Bytes Programming operation */
+ FLASH->CR |= FLASH_CR_OPTPG;
+
+ OB->RDP = OB_RDP;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status != FLASH_TIMEOUT)
+ {
+ /* if the program operation is completed, disable the OPTPG Bit */
+ FLASH->CR &= ~FLASH_CR_OPTPG;
+ }
+ }
+ else
+ {
+ if(status != FLASH_TIMEOUT)
+ {
+ /* Disable the OPTER Bit */
+ FLASH->CR &= ~FLASH_CR_OPTER;
+ }
+ }
+ }
+ /* Return the protection operation Status */
+ return status;
+}
+
+/**
+ * @brief Programs the FLASH User Option Byte: IWDG_SW / RST_STOP / RST_STDBY.
+ * @note To correctly run this function, the FLASH_OB_Unlock() function must be called before.
+ * @note Call the FLASH_OB_Lock() to disable the flash control register access and the option
+ * bytes (recommended to protect the FLASH memory against possible unwanted operation)
+ * @param OB_IWDG: Selects the WDG mode
+ * This parameter can be one of the following values:
+ * @arg OB_IWDG_SW: Software WDG selected
+ * @arg OB_IWDG_HW: Hardware WDG selected
+ * @param OB_STOP: Reset event when entering STOP mode.
+ * This parameter can be one of the following values:
+ * @arg OB_STOP_NoRST: No reset generated when entering in STOP
+ * @arg OB_STOP_RST: Reset generated when entering in STOP
+ * @param OB_STDBY: Reset event when entering Standby mode.
+ * This parameter can be one of the following values:
+ * @arg OB_STDBY_NoRST: No reset generated when entering in STANDBY
+ * @arg OB_STDBY_RST: Reset generated when entering in STANDBY
+ * @retval FLASH Status: The returned value can be:
+ * FLASH_ERROR_PROGRAM, FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.
+ */
+FLASH_Status FLASH_OB_UserConfig(uint8_t OB_IWDG, uint8_t OB_STOP, uint8_t OB_STDBY)
+{
+ FLASH_Status status = FLASH_COMPLETE;
+
+ /* Check the parameters */
+ assert_param(IS_OB_IWDG_SOURCE(OB_IWDG));
+ assert_param(IS_OB_STOP_SOURCE(OB_STOP));
+ assert_param(IS_OB_STDBY_SOURCE(OB_STDBY));
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status == FLASH_COMPLETE)
+ {
+ /* Enable the Option Bytes Programming operation */
+ FLASH->CR |= FLASH_CR_OPTPG;
+
+ OB->USER = (uint16_t)((uint16_t)(OB_IWDG | OB_STOP) | (uint16_t)(OB_STDBY | 0xF8));
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status != FLASH_TIMEOUT)
+ {
+ /* If the program operation is completed, disable the OPTPG Bit */
+ FLASH->CR &= ~FLASH_CR_OPTPG;
+ }
+ }
+ /* Return the Option Byte program Status */
+ return status;
+}
+
+/**
+ * @brief Sets or resets the BOOT1 option bit.
+ * @param OB_BOOT1: Set or Reset the BOOT1 option bit.
+ * This parameter can be one of the following values:
+ * @arg OB_BOOT1_RESET: BOOT1 option bit reset
+ * @arg OB_BOOT1_SET: BOOT1 option bit set
+ * @retval None
+ */
+FLASH_Status FLASH_OB_BOOTConfig(uint8_t OB_BOOT1)
+{
+ FLASH_Status status = FLASH_COMPLETE;
+
+ /* Check the parameters */
+ assert_param(IS_OB_BOOT1(OB_BOOT1));
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status == FLASH_COMPLETE)
+ {
+ /* Enable the Option Bytes Programming operation */
+ FLASH->CR |= FLASH_CR_OPTPG;
+
+ OB->USER = OB_BOOT1 | 0xEF;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status != FLASH_TIMEOUT)
+ {
+ /* If the program operation is completed, disable the OPTPG Bit */
+ FLASH->CR &= ~FLASH_CR_OPTPG;
+ }
+ }
+ /* Return the Option Byte program Status */
+ return status;
+}
+
+/**
+ * @brief Sets or resets the BOOT0 option bit.
+ * @note This function is applicable only for the STM32F042 devices.
+ * @param OB_BOOT0: Set or Reset the BOOT0 option bit.
+ * This parameter can be one of the following values:
+ * @arg OB_BOOT0_RESET: BOOT0 option bit reset
+ * @arg OB_BOOT0_SET: BOOT0 option bit set
+ * @retval None
+ */
+FLASH_Status FLASH_OB_BOOT0Config(uint8_t OB_BOOT0)
+{
+ FLASH_Status status = FLASH_COMPLETE;
+
+ /* Check the parameters */
+ assert_param(IS_OB_BOOT0(OB_BOOT0));
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status == FLASH_COMPLETE)
+ {
+ /* Enable the Option Bytes Programming operation */
+ FLASH->CR |= FLASH_CR_OPTPG;
+
+ OB->USER = OB_BOOT0 | 0xF7;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status != FLASH_TIMEOUT)
+ {
+ /* If the program operation is completed, disable the OPTPG Bit */
+ FLASH->CR &= ~FLASH_CR_OPTPG;
+ }
+ }
+ /* Return the Option Byte program Status */
+ return status;
+}
+
+/**
+ * @brief Sets or resets the BOOT0SW option bit.
+ * @note This function is applicable only for the STM32F042 devices.
+ * @param OB_BOOT0SW: Set or Reset the BOOT0_SW option bit.
+ * This parameter can be one of the following values:
+ * @arg OB_BOOT0_SW: BOOT0_SW option bit reset
+ * @arg OB_BOOT0_HW: BOOT0_SW option bit set
+ * @retval None
+ */
+FLASH_Status FLASH_OB_BOOT0SWConfig(uint8_t OB_BOOT0SW)
+{
+ FLASH_Status status = FLASH_COMPLETE;
+
+ /* Check the parameters */
+ assert_param(IS_OB_BOOT0SW(OB_BOOT0SW));
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status == FLASH_COMPLETE)
+ {
+ /* Enable the Option Bytes Programming operation */
+ FLASH->CR |= FLASH_CR_OPTPG;
+
+ OB->USER = OB_BOOT0SW | 0x7F;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status != FLASH_TIMEOUT)
+ {
+ /* If the program operation is completed, disable the OPTPG Bit */
+ FLASH->CR &= ~FLASH_CR_OPTPG;
+ }
+ }
+ /* Return the Option Byte program Status */
+ return status;
+}
+
+/**
+ * @brief Sets or resets the analogue monitoring on VDDA Power source.
+ * @param OB_VDDA_ANALOG: Selects the analog monitoring on VDDA Power source.
+ * This parameter can be one of the following values:
+ * @arg OB_VDDA_ANALOG_ON: Analog monitoring on VDDA Power source ON
+ * @arg OB_VDDA_ANALOG_OFF: Analog monitoring on VDDA Power source OFF
+ * @retval None
+ */
+FLASH_Status FLASH_OB_VDDAConfig(uint8_t OB_VDDA_ANALOG)
+{
+ FLASH_Status status = FLASH_COMPLETE;
+
+ /* Check the parameters */
+ assert_param(IS_OB_VDDA_ANALOG(OB_VDDA_ANALOG));
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status == FLASH_COMPLETE)
+ {
+ /* Enable the Option Bytes Programming operation */
+ FLASH->CR |= FLASH_CR_OPTPG;
+
+ OB->USER = OB_VDDA_ANALOG | 0xDF;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status != FLASH_TIMEOUT)
+ {
+ /* if the program operation is completed, disable the OPTPG Bit */
+ FLASH->CR &= ~FLASH_CR_OPTPG;
+ }
+ }
+ /* Return the Option Byte program Status */
+ return status;
+}
+
+/**
+ * @brief Sets or resets the SRAM parity.
+ * @param OB_SRAM_Parity: Set or Reset the SRAM parity enable bit.
+ * This parameter can be one of the following values:
+ * @arg OB_SRAM_PARITY_SET: Set SRAM parity.
+ * @arg OB_SRAM_PARITY_RESET: Reset SRAM parity.
+ * @retval None
+ */
+FLASH_Status FLASH_OB_SRAMParityConfig(uint8_t OB_SRAM_Parity)
+{
+ FLASH_Status status = FLASH_COMPLETE;
+
+ /* Check the parameters */
+ assert_param(IS_OB_SRAM_PARITY(OB_SRAM_Parity));
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status == FLASH_COMPLETE)
+ {
+ /* Enable the Option Bytes Programming operation */
+ FLASH->CR |= FLASH_CR_OPTPG;
+
+ OB->USER = OB_SRAM_Parity | 0xBF;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status != FLASH_TIMEOUT)
+ {
+ /* if the program operation is completed, disable the OPTPG Bit */
+ FLASH->CR &= ~FLASH_CR_OPTPG;
+ }
+ }
+ /* Return the Option Byte program Status */
+ return status;
+}
+
+/**
+ * @brief Programs the FLASH User Option Byte: IWDG_SW, RST_STOP, RST_STDBY,
+ * BOOT1 and VDDA ANALOG monitoring.
+ * @note To correctly run this function, the FLASH_OB_Unlock() function must be called before.
+ * @note Call the FLASH_OB_Lock() to disable the flash control register access and the option
+ * bytes (recommended to protect the FLASH memory against possible unwanted operation)
+ * @param OB_USER: Selects all user option bytes
+ * This parameter is a combination of the following values:
+ * @arg OB_IWDG_SW / OB_IWDG_HW: Software / Hardware WDG selected
+ * @arg OB_STOP_NoRST / OB_STOP_RST: No reset / Reset generated when entering in STOP
+ * @arg OB_STDBY_NoRST / OB_STDBY_RST: No reset / Reset generated when entering in STANDBY
+ * @arg OB_BOOT1_RESET / OB_BOOT1_SET: BOOT1 Reset / Set
+ * @arg OB_VDDA_ANALOG_ON / OB_VDDA_ANALOG_OFF: Analog monitoring on VDDA Power source ON / OFF
+ * @arg OB_SRAM_PARITY_SET / OB_SRAM_PARITY_RESET: SRAM Parity SET / RESET
+ * @arg OB_BOOT0_RESET / OB_BOOT0_SET: BOOT0 Reset / Set
+ * @arg OB_BOOT0_SW / OB_BOOT0_SW: BOOT0 pin disabled / BOOT0 pin bonded with GPIO
+ * @retval FLASH Status: The returned value can be:
+ * FLASH_ERROR_PROGRAM, FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.
+ */
+FLASH_Status FLASH_OB_WriteUser(uint8_t OB_USER)
+{
+ FLASH_Status status = FLASH_COMPLETE;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status == FLASH_COMPLETE)
+ {
+ /* Enable the Option Bytes Programming operation */
+ FLASH->CR |= FLASH_CR_OPTPG;
+
+ OB->USER = OB_USER;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status != FLASH_TIMEOUT)
+ {
+ /* If the program operation is completed, disable the OPTPG Bit */
+ FLASH->CR &= ~FLASH_CR_OPTPG;
+ }
+ }
+ /* Return the Option Byte program Status */
+ return status;
+
+}
+
+/**
+ * @brief Programs a half word at a specified Option Byte Data address.
+ * @note To correctly run this function, the FLASH_OB_Unlock() function must be called before.
+ * @note Call the FLASH_OB_Lock() to disable the flash control register access and the option
+ * bytes (recommended to protect the FLASH memory against possible unwanted operation)
+ * @param Address: specifies the address to be programmed.
+ * This parameter can be 0x1FFFF804 or 0x1FFFF806.
+ * @param Data: specifies the data to be programmed.
+ * @retval FLASH Status: The returned value can be: FLASH_ERROR_PG,
+ * FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.
+ */
+FLASH_Status FLASH_OB_ProgramData(uint32_t Address, uint8_t Data)
+{
+ FLASH_Status status = FLASH_COMPLETE;
+ /* Check the parameters */
+ assert_param(IS_OB_DATA_ADDRESS(Address));
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status == FLASH_COMPLETE)
+ {
+ /* Enables the Option Bytes Programming operation */
+ FLASH->CR |= FLASH_CR_OPTPG;
+ *(__IO uint16_t*)Address = Data;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status != FLASH_TIMEOUT)
+ {
+ /* If the program operation is completed, disable the OPTPG Bit */
+ FLASH->CR &= ~FLASH_CR_OPTPG;
+ }
+ }
+ /* Return the Option Byte Data Program Status */
+ return status;
+}
+
+/**
+ * @brief Returns the FLASH User Option Bytes values.
+ * @param None
+ * @retval The FLASH User Option Bytes .
+ */
+uint8_t FLASH_OB_GetUser(void)
+{
+ /* Return the User Option Byte */
+ return (uint8_t)(FLASH->OBR >> 8);
+}
+
+/**
+ * @brief Returns the FLASH Write Protection Option Bytes value.
+ * @param None
+ * @retval The FLASH Write Protection Option Bytes value
+ */
+uint32_t FLASH_OB_GetWRP(void)
+{
+ /* Return the FLASH write protection Register value */
+ return (uint32_t)(FLASH->WRPR);
+}
+
+/**
+ * @brief Checks whether the FLASH Read out Protection Status is set or not.
+ * @param None
+ * @retval FLASH ReadOut Protection Status(SET or RESET)
+ */
+FlagStatus FLASH_OB_GetRDP(void)
+{
+ FlagStatus readstatus = RESET;
+
+ if ((uint8_t)(FLASH->OBR & (FLASH_OBR_RDPRT1 | FLASH_OBR_RDPRT2)) != RESET)
+ {
+ readstatus = SET;
+ }
+ else
+ {
+ readstatus = RESET;
+ }
+ return readstatus;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup FLASH_Group4 Interrupts and flags management functions
+ * @brief Interrupts and flags management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Interrupts and flags management functions #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the specified FLASH interrupts.
+ * @param FLASH_IT: specifies the FLASH interrupt sources to be enabled or
+ * disabled.
+ * This parameter can be any combination of the following values:
+ * @arg FLASH_IT_EOP: FLASH end of programming Interrupt
+ * @arg FLASH_IT_ERR: FLASH Error Interrupt
+ * @retval None
+ */
+void FLASH_ITConfig(uint32_t FLASH_IT, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FLASH_IT(FLASH_IT));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if(NewState != DISABLE)
+ {
+ /* Enable the interrupt sources */
+ FLASH->CR |= FLASH_IT;
+ }
+ else
+ {
+ /* Disable the interrupt sources */
+ FLASH->CR &= ~(uint32_t)FLASH_IT;
+ }
+}
+
+/**
+ * @brief Checks whether the specified FLASH flag is set or not.
+ * @param FLASH_FLAG: specifies the FLASH flag to check.
+ * This parameter can be one of the following values:
+ * @arg FLASH_FLAG_BSY: FLASH write/erase operations in progress flag
+ * @arg FLASH_FLAG_PGERR: FLASH Programming error flag flag
+ * @arg FLASH_FLAG_WRPERR: FLASH Write protected error flag
+ * @arg FLASH_FLAG_EOP: FLASH End of Programming flag
+ * @retval The new state of FLASH_FLAG (SET or RESET).
+ */
+FlagStatus FLASH_GetFlagStatus(uint32_t FLASH_FLAG)
+{
+ FlagStatus bitstatus = RESET;
+
+ /* Check the parameters */
+ assert_param(IS_FLASH_GET_FLAG(FLASH_FLAG));
+
+ if((FLASH->SR & FLASH_FLAG) != (uint32_t)RESET)
+ {
+ bitstatus = SET;
+ }
+ else
+ {
+ bitstatus = RESET;
+ }
+ /* Return the new state of FLASH_FLAG (SET or RESET) */
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the FLASH's pending flags.
+ * @param FLASH_FLAG: specifies the FLASH flags to clear.
+ * This parameter can be any combination of the following values:
+ * @arg FLASH_FLAG_PGERR: FLASH Programming error flag flag
+ * @arg FLASH_FLAG_WRPERR: FLASH Write protected error flag
+ * @arg FLASH_FLAG_EOP: FLASH End of Programming flag
+ * @retval None
+ */
+void FLASH_ClearFlag(uint32_t FLASH_FLAG)
+{
+ /* Check the parameters */
+ assert_param(IS_FLASH_CLEAR_FLAG(FLASH_FLAG));
+
+ /* Clear the flags */
+ FLASH->SR = FLASH_FLAG;
+}
+
+/**
+ * @brief Returns the FLASH Status.
+ * @param None
+ * @retval FLASH Status: The returned value can be:
+ * FLASH_BUSY, FLASH_ERROR_PROGRAM, FLASH_ERROR_WRP or FLASH_COMPLETE.
+ */
+FLASH_Status FLASH_GetStatus(void)
+{
+ FLASH_Status FLASHstatus = FLASH_COMPLETE;
+
+ if((FLASH->SR & FLASH_FLAG_BSY) == FLASH_FLAG_BSY)
+ {
+ FLASHstatus = FLASH_BUSY;
+ }
+ else
+ {
+ if((FLASH->SR & (uint32_t)FLASH_FLAG_WRPERR)!= (uint32_t)0x00)
+ {
+ FLASHstatus = FLASH_ERROR_WRP;
+ }
+ else
+ {
+ if((FLASH->SR & (uint32_t)(FLASH_SR_PGERR)) != (uint32_t)0x00)
+ {
+ FLASHstatus = FLASH_ERROR_PROGRAM;
+ }
+ else
+ {
+ FLASHstatus = FLASH_COMPLETE;
+ }
+ }
+ }
+ /* Return the FLASH Status */
+ return FLASHstatus;
+}
+
+
+/**
+ * @brief Waits for a FLASH operation to complete or a TIMEOUT to occur.
+ * @param Timeout: FLASH programming Timeout
+ * @retval FLASH Status: The returned value can be: FLASH_BUSY,
+ * FLASH_ERROR_PROGRAM, FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.
+ */
+FLASH_Status FLASH_WaitForLastOperation(uint32_t Timeout)
+{
+ FLASH_Status status = FLASH_COMPLETE;
+
+ /* Check for the FLASH Status */
+ status = FLASH_GetStatus();
+
+ /* Wait for a FLASH operation to complete or a TIMEOUT to occur */
+ while((status == FLASH_BUSY) && (Timeout != 0x00))
+ {
+ status = FLASH_GetStatus();
+ Timeout--;
+ }
+
+ if(Timeout == 0x00 )
+ {
+ status = FLASH_TIMEOUT;
+ }
+ /* Return the operation status */
+ return status;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+ /**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_gpio.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_gpio.c
new file mode 100644
index 00000000..bb2978cd
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_gpio.c
@@ -0,0 +1,542 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_gpio.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the GPIO peripheral:
+ * + Initialization and Configuration functions
+ * + GPIO Read and Write functions
+ * + GPIO Alternate functions configuration functions
+ *
+ * @verbatim
+ *
+ *
+ ===========================================================================
+ ##### How to use this driver #####
+ ===========================================================================
+ [..]
+ (#) Enable the GPIO AHB clock using RCC_AHBPeriphClockCmd()
+ (#) Configure the GPIO pin(s) using GPIO_Init()
+ Four possible configuration are available for each pin:
+ (++) Input: Floating, Pull-up, Pull-down.
+ (++) Output: Push-Pull (Pull-up, Pull-down or no Pull)
+ Open Drain (Pull-up, Pull-down or no Pull).
+ In output mode, the speed is configurable: Low, Medium, Fast or High.
+ (++) Alternate Function: Push-Pull (Pull-up, Pull-down or no Pull)
+ Open Drain (Pull-up, Pull-down or no Pull).
+ (++) Analog: required mode when a pin is to be used as ADC channel,
+ DAC output or comparator input.
+ (#) Peripherals alternate function:
+ (++) For ADC, DAC and comparators, configure the desired pin in analog
+ mode using GPIO_InitStruct->GPIO_Mode = GPIO_Mode_AN
+ (++) For other peripherals (TIM, USART...):
+ (+++) Connect the pin to the desired peripherals' Alternate
+ Function (AF) using GPIO_PinAFConfig() function. For PortC,
+ PortD and PortF, no configuration is needed.
+ (+++) Configure the desired pin in alternate function mode using
+ GPIO_InitStruct->GPIO_Mode = GPIO_Mode_AF
+ (+++) Select the type, pull-up/pull-down and output speed via
+ GPIO_PuPd, GPIO_OType and GPIO_Speed members
+ (+++) Call GPIO_Init() function
+ (#) To get the level of a pin configured in input mode use GPIO_ReadInputDataBit()
+ (#) To set/reset the level of a pin configured in output mode use
+ GPIO_SetBits()/GPIO_ResetBits()
+ (#) During and just after reset, the alternate functions are not active and
+ the GPIO pins are configured in input floating mode (except JTAG pins).
+ (#) The LSE oscillator pins OSC32_IN and OSC32_OUT can be used as
+ general-purpose (PC14 and PC15, respectively) when the LSE oscillator
+ is off. The LSE has priority over the GPIO function.
+ (#) The HSE oscillator pins OSC_IN/OSC_OUT can be used as general-purpose
+ PD0 and PD1, respectively, when the HSE oscillator is off. The HSE has
+ priority over the GPIO function.
+ @endverbatim
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_gpio.h"
+#include "stm32f0xx_rcc.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup GPIO
+ * @brief GPIO driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup GPIO_Private_Functions
+ * @{
+ */
+
+/** @defgroup GPIO_Group1 Initialization and Configuration
+ * @brief Initialization and Configuration
+ *
+@verbatim
+ ===============================================================================
+ ##### Initialization and Configuration #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Deinitializes the GPIOx peripheral registers to their default reset
+ * values.
+ * @param GPIOx: where x can be (A, B, C, D, E or F) to select the GPIO peripheral.
+ * @note GPIOE is available only for STM32F072.
+ * @note GPIOD is not available for STM32F031.
+ * @retval None
+ */
+void GPIO_DeInit(GPIO_TypeDef* GPIOx)
+{
+ /* Check the parameters */
+ assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
+
+ if(GPIOx == GPIOA)
+ {
+ RCC_AHBPeriphResetCmd(RCC_AHBPeriph_GPIOA, ENABLE);
+ RCC_AHBPeriphResetCmd(RCC_AHBPeriph_GPIOA, DISABLE);
+ }
+ else if(GPIOx == GPIOB)
+ {
+ RCC_AHBPeriphResetCmd(RCC_AHBPeriph_GPIOB, ENABLE);
+ RCC_AHBPeriphResetCmd(RCC_AHBPeriph_GPIOB, DISABLE);
+ }
+ else if(GPIOx == GPIOC)
+ {
+ RCC_AHBPeriphResetCmd(RCC_AHBPeriph_GPIOC, ENABLE);
+ RCC_AHBPeriphResetCmd(RCC_AHBPeriph_GPIOC, DISABLE);
+ }
+ else if(GPIOx == GPIOD)
+ {
+ RCC_AHBPeriphResetCmd(RCC_AHBPeriph_GPIOD, ENABLE);
+ RCC_AHBPeriphResetCmd(RCC_AHBPeriph_GPIOD, DISABLE);
+ }
+ else if(GPIOx == GPIOE)
+ {
+ RCC_AHBPeriphResetCmd(RCC_AHBPeriph_GPIOE, ENABLE);
+ RCC_AHBPeriphResetCmd(RCC_AHBPeriph_GPIOE, DISABLE);
+ }
+ else
+ {
+ if(GPIOx == GPIOF)
+ {
+ RCC_AHBPeriphResetCmd(RCC_AHBPeriph_GPIOF, ENABLE);
+ RCC_AHBPeriphResetCmd(RCC_AHBPeriph_GPIOF, DISABLE);
+ }
+ }
+}
+
+/**
+ * @brief Initializes the GPIOx peripheral according to the specified
+ * parameters in the GPIO_InitStruct.
+ * @param GPIOx: where x can be (A, B, C, D, E or F) to select the GPIO peripheral.
+ * @note GPIOE is available only for STM32F072.
+ * @note GPIOD is not available for STM32F031.
+ * @param GPIO_InitStruct: pointer to a GPIO_InitTypeDef structure that contains
+ * the configuration information for the specified GPIO peripheral.
+ * @retval None
+ */
+void GPIO_Init(GPIO_TypeDef* GPIOx, GPIO_InitTypeDef* GPIO_InitStruct)
+{
+ uint32_t pinpos = 0x00, pos = 0x00 , currentpin = 0x00;
+
+ /* Check the parameters */
+ assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
+ assert_param(IS_GPIO_PIN(GPIO_InitStruct->GPIO_Pin));
+ assert_param(IS_GPIO_MODE(GPIO_InitStruct->GPIO_Mode));
+ assert_param(IS_GPIO_PUPD(GPIO_InitStruct->GPIO_PuPd));
+
+ /*-------------------------- Configure the port pins -----------------------*/
+ /*-- GPIO Mode Configuration --*/
+ for (pinpos = 0x00; pinpos < 0x10; pinpos++)
+ {
+ pos = ((uint32_t)0x01) << pinpos;
+
+ /* Get the port pins position */
+ currentpin = (GPIO_InitStruct->GPIO_Pin) & pos;
+
+ if (currentpin == pos)
+ {
+ if ((GPIO_InitStruct->GPIO_Mode == GPIO_Mode_OUT) || (GPIO_InitStruct->GPIO_Mode == GPIO_Mode_AF))
+ {
+ /* Check Speed mode parameters */
+ assert_param(IS_GPIO_SPEED(GPIO_InitStruct->GPIO_Speed));
+
+ /* Speed mode configuration */
+ GPIOx->OSPEEDR &= ~(GPIO_OSPEEDER_OSPEEDR0 << (pinpos * 2));
+ GPIOx->OSPEEDR |= ((uint32_t)(GPIO_InitStruct->GPIO_Speed) << (pinpos * 2));
+
+ /* Check Output mode parameters */
+ assert_param(IS_GPIO_OTYPE(GPIO_InitStruct->GPIO_OType));
+
+ /* Output mode configuration */
+ GPIOx->OTYPER &= ~((GPIO_OTYPER_OT_0) << ((uint16_t)pinpos));
+ GPIOx->OTYPER |= (uint16_t)(((uint16_t)GPIO_InitStruct->GPIO_OType) << ((uint16_t)pinpos));
+ }
+
+ GPIOx->MODER &= ~(GPIO_MODER_MODER0 << (pinpos * 2));
+
+ GPIOx->MODER |= (((uint32_t)GPIO_InitStruct->GPIO_Mode) << (pinpos * 2));
+
+ /* Pull-up Pull down resistor configuration */
+ GPIOx->PUPDR &= ~(GPIO_PUPDR_PUPDR0 << ((uint16_t)pinpos * 2));
+ GPIOx->PUPDR |= (((uint32_t)GPIO_InitStruct->GPIO_PuPd) << (pinpos * 2));
+ }
+ }
+}
+
+/**
+ * @brief Fills each GPIO_InitStruct member with its default value.
+ * @param GPIO_InitStruct: pointer to a GPIO_InitTypeDef structure which will
+ * be initialized.
+ * @retval None
+ */
+void GPIO_StructInit(GPIO_InitTypeDef* GPIO_InitStruct)
+{
+ /* Reset GPIO init structure parameters values */
+ GPIO_InitStruct->GPIO_Pin = GPIO_Pin_All;
+ GPIO_InitStruct->GPIO_Mode = GPIO_Mode_IN;
+ GPIO_InitStruct->GPIO_Speed = GPIO_Speed_Level_2;
+ GPIO_InitStruct->GPIO_OType = GPIO_OType_PP;
+ GPIO_InitStruct->GPIO_PuPd = GPIO_PuPd_NOPULL;
+}
+
+/**
+ * @brief Locks GPIO Pins configuration registers.
+ * @note The locked registers are GPIOx_MODER, GPIOx_OTYPER, GPIOx_OSPEEDR,
+ * GPIOx_PUPDR, GPIOx_AFRL and GPIOx_AFRH.
+ * @note The configuration of the locked GPIO pins can no longer be modified
+ * until the next device reset.
+ * @param GPIOx: where x can be (A or B) to select the GPIO peripheral.
+ * @param GPIO_Pin: specifies the port bit to be written.
+ * This parameter can be any combination of GPIO_Pin_x where x can be (0..15).
+ * @retval None
+ */
+void GPIO_PinLockConfig(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin)
+{
+ __IO uint32_t tmp = 0x00010000;
+
+ /* Check the parameters */
+ assert_param(IS_GPIO_LIST_PERIPH(GPIOx));
+ assert_param(IS_GPIO_PIN(GPIO_Pin));
+
+ tmp |= GPIO_Pin;
+ /* Set LCKK bit */
+ GPIOx->LCKR = tmp;
+ /* Reset LCKK bit */
+ GPIOx->LCKR = GPIO_Pin;
+ /* Set LCKK bit */
+ GPIOx->LCKR = tmp;
+ /* Read LCKK bit */
+ tmp = GPIOx->LCKR;
+ /* Read LCKK bit */
+ tmp = GPIOx->LCKR;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup GPIO_Group2 GPIO Read and Write
+ * @brief GPIO Read and Write
+ *
+@verbatim
+ ===============================================================================
+ ##### GPIO Read and Write #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Reads the specified input port pin.
+ * @param GPIOx: where x can be (A, B, C, D, E or F) to select the GPIO peripheral.
+ * @note GPIOE is available only for STM32F072.
+ * @note GPIOD is not available for STM32F031.
+ * @param GPIO_Pin: specifies the port bit to read.
+ * @note This parameter can be GPIO_Pin_x where x can be:
+ * For STM32F051 and STM32F030: (0..15) for GPIOA, GPIOB, GPIOC, (2) for GPIOD and (0..1, 4..7) for GIIOF.
+ * For STM32F072: (0..15) for GPIOA, GPIOB, GPIOC, GPIOD, GPIOE, (0..10) for GPIOF.
+ * For STM32F031: (0..15) for GPIOA, GPIOB, (13..15) for GPIOC and (0..1, 6..7) for GPIOF.
+ * @retval The input port pin value.
+ */
+uint8_t GPIO_ReadInputDataBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin)
+{
+ uint8_t bitstatus = 0x00;
+
+ /* Check the parameters */
+ assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
+ assert_param(IS_GET_GPIO_PIN(GPIO_Pin));
+
+ if ((GPIOx->IDR & GPIO_Pin) != (uint32_t)Bit_RESET)
+ {
+ bitstatus = (uint8_t)Bit_SET;
+ }
+ else
+ {
+ bitstatus = (uint8_t)Bit_RESET;
+ }
+ return bitstatus;
+}
+
+/**
+ * @brief Reads the specified input port pin.
+ * @param GPIOx: where x can be (A, B, C, D, E or F) to select the GPIO peripheral.
+ * @note GPIOE is available only for STM32F072.
+ * @note GPIOD is not available for STM32F031.
+ * @retval The input port pin value.
+ */
+uint16_t GPIO_ReadInputData(GPIO_TypeDef* GPIOx)
+{
+ /* Check the parameters */
+ assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
+
+ return ((uint16_t)GPIOx->IDR);
+}
+
+/**
+ * @brief Reads the specified output data port bit.
+ * @param GPIOx: where x can be (A, B, C, D, E or F) to select the GPIO peripheral.
+ * @note GPIOE is available only for STM32F072.
+ * @note GPIOD is not available for STM32F031.
+ * @param GPIO_Pin: Specifies the port bit to read.
+ * @note This parameter can be GPIO_Pin_x where x can be:
+ * For STM32F051 and STM32F030: (0..15) for GPIOA, GPIOB, GPIOC, (2) for GPIOD and (0..1, 4..7) for GIIOF.
+ * For STM32F072: (0..15) for GPIOA, GPIOB, GPIOC, GPIOD, GPIOE, (0..10) for GPIOF.
+ * For STM32F031: (0..15) for GPIOA, GPIOB, (13..15) for GPIOC and (0..1, 6..7) for GPIOF.
+ * @retval The output port pin value.
+ */
+uint8_t GPIO_ReadOutputDataBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin)
+{
+ uint8_t bitstatus = 0x00;
+
+ /* Check the parameters */
+ assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
+ assert_param(IS_GET_GPIO_PIN(GPIO_Pin));
+
+ if ((GPIOx->ODR & GPIO_Pin) != (uint32_t)Bit_RESET)
+ {
+ bitstatus = (uint8_t)Bit_SET;
+ }
+ else
+ {
+ bitstatus = (uint8_t)Bit_RESET;
+ }
+ return bitstatus;
+}
+
+/**
+ * @brief Reads the specified GPIO output data port.
+ * @param GPIOx: where x can be (A, B, C, D, E or F) to select the GPIO peripheral.
+ * @note GPIOE is available only for STM32F072.
+ * @note GPIOD is not available for STM32F031.
+ * @retval GPIO output data port value.
+ */
+uint16_t GPIO_ReadOutputData(GPIO_TypeDef* GPIOx)
+{
+ /* Check the parameters */
+ assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
+
+ return ((uint16_t)GPIOx->ODR);
+}
+
+/**
+ * @brief Sets the selected data port bits.
+ * @param GPIOx: where x can be (A, B, C, D, E or F) to select the GPIO peripheral.
+ * @note GPIOE is available only for STM32F072.
+ * @note GPIOD is not available for STM32F031.
+ * @param GPIO_Pin: specifies the port bits to be written.
+ * @note This parameter can be GPIO_Pin_x where x can be:
+ * For STM32F051 and STM32F030: (0..15) for GPIOA, GPIOB, GPIOC, (2) for GPIOD and (0..1, 4..7) for GIIOF.
+ * For STM32F072: (0..15) for GPIOA, GPIOB, GPIOC, GPIOD, GPIOE, (0..10) for GPIOF.
+ * For STM32F031: (0..15) for GPIOA, GPIOB, (13..15) for GPIOC and (0..1, 6..7) for GPIOF.
+ * @retval None
+ */
+void GPIO_SetBits(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin)
+{
+ /* Check the parameters */
+ assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
+ assert_param(IS_GPIO_PIN(GPIO_Pin));
+
+ GPIOx->BSRR = GPIO_Pin;
+}
+
+/**
+ * @brief Clears the selected data port bits.
+ * @param GPIOx: where x can be (A, B, C, D, E or F) to select the GPIO peripheral.
+ * @note GPIOE is available only for STM32F072.
+ * @note GPIOD is not available for STM32F031.
+ * @param GPIO_Pin: specifies the port bits to be written.
+ * @note This parameter can be GPIO_Pin_x where x can be:
+ * For STM32F051 and STM32F030: (0..15) for GPIOA, GPIOB, GPIOC, (2) for GPIOD and (0..1, 4..7) for GIIOF.
+ * For STM32F072: (0..15) for GPIOA, GPIOB, GPIOC, GPIOD, GPIOE, (0..10) for GPIOF.
+ * For STM32F031: (0..15) for GPIOA, GPIOB, (13..15) for GPIOC and (0..1, 6..7) for GPIOF.
+ * @retval None
+ */
+void GPIO_ResetBits(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin)
+{
+ /* Check the parameters */
+ assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
+ assert_param(IS_GPIO_PIN(GPIO_Pin));
+
+ GPIOx->BRR = GPIO_Pin;
+}
+
+/**
+ * @brief Sets or clears the selected data port bit.
+ * @param GPIOx: where x can be (A, B, C, D, E or F) to select the GPIO peripheral.
+ * @note GPIOE is available only for STM32F072.
+ * @note GPIOD is not available for STM32F031.
+ * @param GPIO_Pin: specifies the port bit to be written.
+ * @param BitVal: specifies the value to be written to the selected bit.
+ * This parameter can be one of the BitAction enumeration values:
+ * @arg Bit_RESET: to clear the port pin
+ * @arg Bit_SET: to set the port pin
+ * @note This parameter can be GPIO_Pin_x where x can be:
+ * For STM32F051 and STM32F030: (0..15) for GPIOA, GPIOB, GPIOC, (2) for GPIOD and (0..1, 4..7) for GIIOF.
+ * For STM32F072: (0..15) for GPIOA, GPIOB, GPIOC, GPIOD, GPIOE, (0..10) for GPIOF.
+ * For STM32F031: (0..15) for GPIOA, GPIOB, (13..15) for GPIOC and (0..1, 6..7) for GPIOF.
+ * @retval None
+ */
+void GPIO_WriteBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin, BitAction BitVal)
+{
+ /* Check the parameters */
+ assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
+ assert_param(IS_GET_GPIO_PIN(GPIO_Pin));
+ assert_param(IS_GPIO_BIT_ACTION(BitVal));
+
+ if (BitVal != Bit_RESET)
+ {
+ GPIOx->BSRR = GPIO_Pin;
+ }
+ else
+ {
+ GPIOx->BRR = GPIO_Pin ;
+ }
+}
+
+/**
+ * @brief Writes data to the specified GPIO data port.
+ * @param GPIOx: where x can be (A, B, C, D, E or F) to select the GPIO peripheral.
+ * @note GPIOE is available only for STM32F072.
+ * @note GPIOD is not available for STM32F031.
+ * @param PortVal: specifies the value to be written to the port output data register.
+ * @retval None
+ */
+void GPIO_Write(GPIO_TypeDef* GPIOx, uint16_t PortVal)
+{
+ /* Check the parameters */
+ assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
+
+ GPIOx->ODR = PortVal;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup GPIO_Group3 GPIO Alternate functions configuration functions
+ * @brief GPIO Alternate functions configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### GPIO Alternate functions configuration functions #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Writes data to the specified GPIO data port.
+ * @param GPIOx: where x can be (A, B, C, D, E or F) to select the GPIO peripheral.
+ * @note GPIOC, GPIOD, GPIOE and GPIOF are available only for STM32F072 and STM32F091.
+ * @param GPIO_PinSource: specifies the pin for the Alternate function.
+ * This parameter can be GPIO_PinSourcex where x can be (0..15) for GPIOA, GPIOB, GPIOD, GPIOE
+ * and (0..12) for GPIOC and (0, 2..5, 9..10) for GPIOF.
+ * @param GPIO_AF: selects the pin to used as Alternate function.
+ * This parameter can be one of the following value:
+ * @arg GPIO_AF_0: WKUP, EVENTOUT, TIM15, SPI1, TIM17, MCO, SWDAT, SWCLK,
+ * TIM14, BOOT, USART1, CEC, IR_OUT, SPI2, TIM3, USART4,
+ * CAN, USART2, CRS, TIM16, TIM1, TS, USART8
+ * @arg GPIO_AF_1: USART2, CEC, TIM3, USART1, USART2, EVENTOUT, I2C1,
+ * I2C2, TIM15, SPI2, USART3, TS, SPI1, USART7, USART8
+ * USART5, USART4, USART6, I2C1
+ * @arg GPIO_AF_2: TIM2, TIM1, EVENTOUT, TIM16, TIM17, USB, USART6, USART5,
+ * USART8, USART7, USART6
+ * @arg GPIO_AF_3: TS, I2C1, TIM15, EVENTOUT
+ * @arg GPIO_AF_4: TIM14, USART4, USART3, CRS, CAN, I2C1, USART5
+ * @arg GPIO_AF_5: TIM16, TIM17, TIM15, SPI2, I2C2, USART6, MCO
+ * @arg GPIO_AF_6: EVENTOUT
+ * @arg GPIO_AF_7: COMP1 OUT, COMP2 OUT
+ * @note The pin should already been configured in Alternate Function mode(AF)
+ * using GPIO_InitStruct->GPIO_Mode = GPIO_Mode_AF
+ * @note Refer to the Alternate function mapping table in the device datasheet
+ * for the detailed mapping of the system and peripherals'alternate
+ * function I/O pins.
+ * @retval None
+ */
+void GPIO_PinAFConfig(GPIO_TypeDef* GPIOx, uint16_t GPIO_PinSource, uint8_t GPIO_AF)
+{
+ uint32_t temp = 0x00;
+ uint32_t temp_2 = 0x00;
+
+ /* Check the parameters */
+ assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
+ assert_param(IS_GPIO_PIN_SOURCE(GPIO_PinSource));
+ assert_param(IS_GPIO_AF(GPIO_AF));
+
+ temp = ((uint32_t)(GPIO_AF) << ((uint32_t)((uint32_t)GPIO_PinSource & (uint32_t)0x07) * 4));
+ GPIOx->AFR[GPIO_PinSource >> 0x03] &= ~((uint32_t)0xF << ((uint32_t)((uint32_t)GPIO_PinSource & (uint32_t)0x07) * 4));
+ temp_2 = GPIOx->AFR[GPIO_PinSource >> 0x03] | temp;
+ GPIOx->AFR[GPIO_PinSource >> 0x03] = temp_2;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_i2c.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_i2c.c
new file mode 100644
index 00000000..d4138e3c
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_i2c.c
@@ -0,0 +1,1585 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_i2c.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the Inter-Integrated circuit (I2C):
+ * + Initialization and Configuration
+ * + Communications handling
+ * + SMBUS management
+ * + I2C registers management
+ * + Data transfers management
+ * + DMA transfers management
+ * + Interrupts and flags management
+ *
+ * @verbatim
+ ============================================================================
+ ##### How to use this driver #####
+ ============================================================================
+ [..]
+ (#) Enable peripheral clock using RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2Cx, ENABLE)
+ function for I2C1 or I2C2.
+ (#) Enable SDA, SCL and SMBA (when used) GPIO clocks using
+ RCC_AHBPeriphClockCmd() function.
+ (#) Peripherals alternate function:
+ (++) Connect the pin to the desired peripherals' Alternate
+ Function (AF) using GPIO_PinAFConfig() function.
+ (++) Configure the desired pin in alternate function by:
+ GPIO_InitStruct->GPIO_Mode = GPIO_Mode_AF
+ (++) Select the type, OpenDrain and speed via
+ GPIO_PuPd, GPIO_OType and GPIO_Speed members
+ (++) Call GPIO_Init() function.
+ (#) Program the Mode, Timing , Own address, Ack and Acknowledged Address
+ using the I2C_Init() function.
+ (#) Optionally you can enable/configure the following parameters without
+ re-initialization (i.e there is no need to call again I2C_Init() function):
+ (++) Enable the acknowledge feature using I2C_AcknowledgeConfig() function.
+ (++) Enable the dual addressing mode using I2C_DualAddressCmd() function.
+ (++) Enable the general call using the I2C_GeneralCallCmd() function.
+ (++) Enable the clock stretching using I2C_StretchClockCmd() function.
+ (++) Enable the PEC Calculation using I2C_CalculatePEC() function.
+ (++) For SMBus Mode:
+ (+++) Enable the SMBusAlert pin using I2C_SMBusAlertCmd() function.
+ (#) Enable the NVIC and the corresponding interrupt using the function
+ I2C_ITConfig() if you need to use interrupt mode.
+ (#) When using the DMA mode
+ (++) Configure the DMA using DMA_Init() function.
+ (++) Active the needed channel Request using I2C_DMACmd() function.
+ (#) Enable the I2C using the I2C_Cmd() function.
+ (#) Enable the DMA using the DMA_Cmd() function when using DMA mode in the
+ transfers.
+ [..]
+ (@) When using I2C in Fast Mode Plus, SCL and SDA pin 20mA current drive capability
+ must be enabled by setting the driving capability control bit in SYSCFG.
+
+ @endverbatim
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_i2c.h"
+#include "stm32f0xx_rcc.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup I2C
+ * @brief I2C driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+
+#define CR1_CLEAR_MASK ((uint32_t)0x00CFE0FF) /*I2C_AnalogFilter));
+ assert_param(IS_I2C_DIGITAL_FILTER(I2C_InitStruct->I2C_DigitalFilter));
+ assert_param(IS_I2C_MODE(I2C_InitStruct->I2C_Mode));
+ assert_param(IS_I2C_OWN_ADDRESS1(I2C_InitStruct->I2C_OwnAddress1));
+ assert_param(IS_I2C_ACK(I2C_InitStruct->I2C_Ack));
+ assert_param(IS_I2C_ACKNOWLEDGE_ADDRESS(I2C_InitStruct->I2C_AcknowledgedAddress));
+
+ /* Disable I2Cx Peripheral */
+ I2Cx->CR1 &= (uint32_t)~((uint32_t)I2C_CR1_PE);
+
+ /*---------------------------- I2Cx FILTERS Configuration ------------------*/
+ /* Get the I2Cx CR1 value */
+ tmpreg = I2Cx->CR1;
+ /* Clear I2Cx CR1 register */
+ tmpreg &= CR1_CLEAR_MASK;
+ /* Configure I2Cx: analog and digital filter */
+ /* Set ANFOFF bit according to I2C_AnalogFilter value */
+ /* Set DFN bits according to I2C_DigitalFilter value */
+ tmpreg |= (uint32_t)I2C_InitStruct->I2C_AnalogFilter |(I2C_InitStruct->I2C_DigitalFilter << 8);
+
+ /* Write to I2Cx CR1 */
+ I2Cx->CR1 = tmpreg;
+
+ /*---------------------------- I2Cx TIMING Configuration -------------------*/
+ /* Configure I2Cx: Timing */
+ /* Set TIMINGR bits according to I2C_Timing */
+ /* Write to I2Cx TIMING */
+ I2Cx->TIMINGR = I2C_InitStruct->I2C_Timing & TIMING_CLEAR_MASK;
+
+ /* Enable I2Cx Peripheral */
+ I2Cx->CR1 |= I2C_CR1_PE;
+
+ /*---------------------------- I2Cx OAR1 Configuration ---------------------*/
+ /* Clear tmpreg local variable */
+ tmpreg = 0;
+ /* Clear OAR1 register */
+ I2Cx->OAR1 = (uint32_t)tmpreg;
+ /* Clear OAR2 register */
+ I2Cx->OAR2 = (uint32_t)tmpreg;
+ /* Configure I2Cx: Own Address1 and acknowledged address */
+ /* Set OA1MODE bit according to I2C_AcknowledgedAddress value */
+ /* Set OA1 bits according to I2C_OwnAddress1 value */
+ tmpreg = (uint32_t)((uint32_t)I2C_InitStruct->I2C_AcknowledgedAddress | \
+ (uint32_t)I2C_InitStruct->I2C_OwnAddress1);
+ /* Write to I2Cx OAR1 */
+ I2Cx->OAR1 = tmpreg;
+ /* Enable Own Address1 acknowledgement */
+ I2Cx->OAR1 |= I2C_OAR1_OA1EN;
+
+ /*---------------------------- I2Cx MODE Configuration ---------------------*/
+ /* Configure I2Cx: mode */
+ /* Set SMBDEN and SMBHEN bits according to I2C_Mode value */
+ tmpreg = I2C_InitStruct->I2C_Mode;
+ /* Write to I2Cx CR1 */
+ I2Cx->CR1 |= tmpreg;
+
+ /*---------------------------- I2Cx ACK Configuration ----------------------*/
+ /* Get the I2Cx CR2 value */
+ tmpreg = I2Cx->CR2;
+ /* Clear I2Cx CR2 register */
+ tmpreg &= CR2_CLEAR_MASK;
+ /* Configure I2Cx: acknowledgement */
+ /* Set NACK bit according to I2C_Ack value */
+ tmpreg |= I2C_InitStruct->I2C_Ack;
+ /* Write to I2Cx CR2 */
+ I2Cx->CR2 = tmpreg;
+}
+
+/**
+ * @brief Fills each I2C_InitStruct member with its default value.
+ * @param I2C_InitStruct: pointer to an I2C_InitTypeDef structure which will be initialized.
+ * @retval None
+ */
+void I2C_StructInit(I2C_InitTypeDef* I2C_InitStruct)
+{
+ /*---------------- Reset I2C init structure parameters values --------------*/
+ /* Initialize the I2C_Timing member */
+ I2C_InitStruct->I2C_Timing = 0;
+ /* Initialize the I2C_AnalogFilter member */
+ I2C_InitStruct->I2C_AnalogFilter = I2C_AnalogFilter_Enable;
+ /* Initialize the I2C_DigitalFilter member */
+ I2C_InitStruct->I2C_DigitalFilter = 0;
+ /* Initialize the I2C_Mode member */
+ I2C_InitStruct->I2C_Mode = I2C_Mode_I2C;
+ /* Initialize the I2C_OwnAddress1 member */
+ I2C_InitStruct->I2C_OwnAddress1 = 0;
+ /* Initialize the I2C_Ack member */
+ I2C_InitStruct->I2C_Ack = I2C_Ack_Disable;
+ /* Initialize the I2C_AcknowledgedAddress member */
+ I2C_InitStruct->I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;
+}
+
+/**
+ * @brief Enables or disables the specified I2C peripheral.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param NewState: new state of the I2Cx peripheral.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void I2C_Cmd(I2C_TypeDef* I2Cx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected I2C peripheral */
+ I2Cx->CR1 |= I2C_CR1_PE;
+ }
+ else
+ {
+ /* Disable the selected I2C peripheral */
+ I2Cx->CR1 &= (uint32_t)~((uint32_t)I2C_CR1_PE);
+ }
+}
+
+/**
+ * @brief Enables or disables the specified I2C software reset.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @retval None
+ */
+void I2C_SoftwareResetCmd(I2C_TypeDef* I2Cx)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+
+ /* Disable peripheral */
+ I2Cx->CR1 &= (uint32_t)~((uint32_t)I2C_CR1_PE);
+
+ /* Perform a dummy read to delay the disable of peripheral for minimum
+ 3 APB clock cycles to perform the software reset functionality */
+ *(__IO uint32_t *)(uint32_t)I2Cx;
+
+ /* Enable peripheral */
+ I2Cx->CR1 |= I2C_CR1_PE;
+}
+
+/**
+ * @brief Enables or disables the specified I2C interrupts.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param I2C_IT: specifies the I2C interrupts sources to be enabled or disabled.
+ * This parameter can be any combination of the following values:
+ * @arg I2C_IT_ERRI: Error interrupt mask
+ * @arg I2C_IT_TCI: Transfer Complete interrupt mask
+ * @arg I2C_IT_STOPI: Stop Detection interrupt mask
+ * @arg I2C_IT_NACKI: Not Acknowledge received interrupt mask
+ * @arg I2C_IT_ADDRI: Address Match interrupt mask
+ * @arg I2C_IT_RXI: RX interrupt mask
+ * @arg I2C_IT_TXI: TX interrupt mask
+ * @param NewState: new state of the specified I2C interrupts.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void I2C_ITConfig(I2C_TypeDef* I2Cx, uint32_t I2C_IT, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+ assert_param(IS_I2C_CONFIG_IT(I2C_IT));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected I2C interrupts */
+ I2Cx->CR1 |= I2C_IT;
+ }
+ else
+ {
+ /* Disable the selected I2C interrupts */
+ I2Cx->CR1 &= (uint32_t)~((uint32_t)I2C_IT);
+ }
+}
+
+/**
+ * @brief Enables or disables the I2C Clock stretching.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param NewState: new state of the I2Cx Clock stretching.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void I2C_StretchClockCmd(I2C_TypeDef* I2Cx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable clock stretching */
+ I2Cx->CR1 &= (uint32_t)~((uint32_t)I2C_CR1_NOSTRETCH);
+ }
+ else
+ {
+ /* Disable clock stretching */
+ I2Cx->CR1 |= I2C_CR1_NOSTRETCH;
+ }
+}
+
+/**
+ * @brief Enables or disables I2C wakeup from stop mode.
+ * This function is not applicable for STM32F030 devices.
+ * @param I2Cx: where x can be 1 to select the I2C peripheral.
+ * @param NewState: new state of the I2Cx stop mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void I2C_StopModeCmd(I2C_TypeDef* I2Cx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_1_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable wakeup from stop mode */
+ I2Cx->CR1 |= I2C_CR1_WUPEN;
+ }
+ else
+ {
+ /* Disable wakeup from stop mode */
+ I2Cx->CR1 &= (uint32_t)~((uint32_t)I2C_CR1_WUPEN);
+ }
+}
+
+/**
+ * @brief Enables or disables the I2C own address 2.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param NewState: new state of the I2C own address 2.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void I2C_DualAddressCmd(I2C_TypeDef* I2Cx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable own address 2 */
+ I2Cx->OAR2 |= I2C_OAR2_OA2EN;
+ }
+ else
+ {
+ /* Disable own address 2 */
+ I2Cx->OAR2 &= (uint32_t)~((uint32_t)I2C_OAR2_OA2EN);
+ }
+}
+
+/**
+ * @brief Configures the I2C slave own address 2 and mask.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param Address: specifies the slave address to be programmed.
+ * @param Mask: specifies own address 2 mask to be programmed.
+ * This parameter can be one of the following values:
+ * @arg I2C_OA2_NoMask: no mask.
+ * @arg I2C_OA2_Mask01: OA2[1] is masked and don't care.
+ * @arg I2C_OA2_Mask02: OA2[2:1] are masked and don't care.
+ * @arg I2C_OA2_Mask03: OA2[3:1] are masked and don't care.
+ * @arg I2C_OA2_Mask04: OA2[4:1] are masked and don't care.
+ * @arg I2C_OA2_Mask05: OA2[5:1] are masked and don't care.
+ * @arg I2C_OA2_Mask06: OA2[6:1] are masked and don't care.
+ * @arg I2C_OA2_Mask07: OA2[7:1] are masked and don't care.
+ * @retval None
+ */
+void I2C_OwnAddress2Config(I2C_TypeDef* I2Cx, uint16_t Address, uint8_t Mask)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_I2C_OWN_ADDRESS2(Address));
+ assert_param(IS_I2C_OWN_ADDRESS2_MASK(Mask));
+
+ /* Get the old register value */
+ tmpreg = I2Cx->OAR2;
+
+ /* Reset I2Cx OA2 bit [7:1] and OA2MSK bit [1:0] */
+ tmpreg &= (uint32_t)~((uint32_t)(I2C_OAR2_OA2 | I2C_OAR2_OA2MSK));
+
+ /* Set I2Cx SADD */
+ tmpreg |= (uint32_t)(((uint32_t)Address & I2C_OAR2_OA2) | \
+ (((uint32_t)Mask << 8) & I2C_OAR2_OA2MSK)) ;
+
+ /* Store the new register value */
+ I2Cx->OAR2 = tmpreg;
+}
+
+/**
+ * @brief Enables or disables the I2C general call mode.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param NewState: new state of the I2C general call mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void I2C_GeneralCallCmd(I2C_TypeDef* I2Cx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable general call mode */
+ I2Cx->CR1 |= I2C_CR1_GCEN;
+ }
+ else
+ {
+ /* Disable general call mode */
+ I2Cx->CR1 &= (uint32_t)~((uint32_t)I2C_CR1_GCEN);
+ }
+}
+
+/**
+ * @brief Enables or disables the I2C slave byte control.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param NewState: new state of the I2C slave byte control.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void I2C_SlaveByteControlCmd(I2C_TypeDef* I2Cx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable slave byte control */
+ I2Cx->CR1 |= I2C_CR1_SBC;
+ }
+ else
+ {
+ /* Disable slave byte control */
+ I2Cx->CR1 &= (uint32_t)~((uint32_t)I2C_CR1_SBC);
+ }
+}
+
+/**
+ * @brief Configures the slave address to be transmitted after start generation.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param Address: specifies the slave address to be programmed.
+ * @note This function should be called before generating start condition.
+ * @retval None
+ */
+void I2C_SlaveAddressConfig(I2C_TypeDef* I2Cx, uint16_t Address)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_I2C_SLAVE_ADDRESS(Address));
+
+ /* Get the old register value */
+ tmpreg = I2Cx->CR2;
+
+ /* Reset I2Cx SADD bit [9:0] */
+ tmpreg &= (uint32_t)~((uint32_t)I2C_CR2_SADD);
+
+ /* Set I2Cx SADD */
+ tmpreg |= (uint32_t)((uint32_t)Address & I2C_CR2_SADD);
+
+ /* Store the new register value */
+ I2Cx->CR2 = tmpreg;
+}
+
+/**
+ * @brief Enables or disables the I2C 10-bit addressing mode for the master.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param NewState: new state of the I2C 10-bit addressing mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @note This function should be called before generating start condition.
+ * @retval None
+ */
+void I2C_10BitAddressingModeCmd(I2C_TypeDef* I2Cx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable 10-bit addressing mode */
+ I2Cx->CR2 |= I2C_CR2_ADD10;
+ }
+ else
+ {
+ /* Disable 10-bit addressing mode */
+ I2Cx->CR2 &= (uint32_t)~((uint32_t)I2C_CR2_ADD10);
+ }
+}
+
+/**
+ * @}
+ */
+
+
+/** @defgroup I2C_Group2 Communications handling functions
+ * @brief Communications handling functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Communications handling functions #####
+ ===============================================================================
+ [..] This section provides a set of functions that handles I2C communication.
+
+ [..] Automatic End mode is enabled using I2C_AutoEndCmd() function. When Reload
+ mode is enabled via I2C_ReloadCmd() AutoEnd bit has no effect.
+
+ [..] I2C_NumberOfBytesConfig() function set the number of bytes to be transferred,
+ this configuration should be done before generating start condition in master
+ mode.
+
+ [..] When switching from master write operation to read operation in 10Bit addressing
+ mode, master can only sends the 1st 7 bits of the 10 bit address, followed by
+ Read direction by enabling HEADR bit using I2C_10BitAddressHeader() function.
+
+ [..] In master mode, when transferring more than 255 bytes Reload mode should be used
+ to handle communication. In the first phase of transfer, Nbytes should be set to
+ 255. After transferring these bytes TCR flag is set and I2C_TransferHandling()
+ function should be called to handle remaining communication.
+
+ [..] In master mode, when software end mode is selected when all data is transferred
+ TC flag is set I2C_TransferHandling() function should be called to generate STOP
+ or generate ReStart.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the I2C automatic end mode (stop condition is
+ * automatically sent when nbytes data are transferred).
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param NewState: new state of the I2C automatic end mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @note This function has effect if Reload mode is disabled.
+ * @retval None
+ */
+void I2C_AutoEndCmd(I2C_TypeDef* I2Cx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable Auto end mode */
+ I2Cx->CR2 |= I2C_CR2_AUTOEND;
+ }
+ else
+ {
+ /* Disable Auto end mode */
+ I2Cx->CR2 &= (uint32_t)~((uint32_t)I2C_CR2_AUTOEND);
+ }
+}
+
+/**
+ * @brief Enables or disables the I2C nbytes reload mode.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param NewState: new state of the nbytes reload mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void I2C_ReloadCmd(I2C_TypeDef* I2Cx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable Auto Reload mode */
+ I2Cx->CR2 |= I2C_CR2_RELOAD;
+ }
+ else
+ {
+ /* Disable Auto Reload mode */
+ I2Cx->CR2 &= (uint32_t)~((uint32_t)I2C_CR2_RELOAD);
+ }
+}
+
+/**
+ * @brief Configures the number of bytes to be transmitted/received.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param Number_Bytes: specifies the number of bytes to be programmed.
+ * @retval None
+ */
+void I2C_NumberOfBytesConfig(I2C_TypeDef* I2Cx, uint8_t Number_Bytes)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+
+ /* Get the old register value */
+ tmpreg = I2Cx->CR2;
+
+ /* Reset I2Cx Nbytes bit [7:0] */
+ tmpreg &= (uint32_t)~((uint32_t)I2C_CR2_NBYTES);
+
+ /* Set I2Cx Nbytes */
+ tmpreg |= (uint32_t)(((uint32_t)Number_Bytes << 16 ) & I2C_CR2_NBYTES);
+
+ /* Store the new register value */
+ I2Cx->CR2 = tmpreg;
+}
+
+/**
+ * @brief Configures the type of transfer request for the master.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param I2C_Direction: specifies the transfer request direction to be programmed.
+ * This parameter can be one of the following values:
+ * @arg I2C_Direction_Transmitter: Master request a write transfer
+ * @arg I2C_Direction_Receiver: Master request a read transfer
+ * @retval None
+ */
+void I2C_MasterRequestConfig(I2C_TypeDef* I2Cx, uint16_t I2C_Direction)
+{
+/* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_I2C_DIRECTION(I2C_Direction));
+
+ /* Test on the direction to set/reset the read/write bit */
+ if (I2C_Direction == I2C_Direction_Transmitter)
+ {
+ /* Request a write Transfer */
+ I2Cx->CR2 &= (uint32_t)~((uint32_t)I2C_CR2_RD_WRN);
+ }
+ else
+ {
+ /* Request a read Transfer */
+ I2Cx->CR2 |= I2C_CR2_RD_WRN;
+ }
+}
+
+/**
+ * @brief Generates I2Cx communication START condition.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param NewState: new state of the I2C START condition generation.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void I2C_GenerateSTART(I2C_TypeDef* I2Cx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Generate a START condition */
+ I2Cx->CR2 |= I2C_CR2_START;
+ }
+ else
+ {
+ /* Disable the START condition generation */
+ I2Cx->CR2 &= (uint32_t)~((uint32_t)I2C_CR2_START);
+ }
+}
+
+/**
+ * @brief Generates I2Cx communication STOP condition.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param NewState: new state of the I2C STOP condition generation.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void I2C_GenerateSTOP(I2C_TypeDef* I2Cx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Generate a STOP condition */
+ I2Cx->CR2 |= I2C_CR2_STOP;
+ }
+ else
+ {
+ /* Disable the STOP condition generation */
+ I2Cx->CR2 &= (uint32_t)~((uint32_t)I2C_CR2_STOP);
+ }
+}
+
+/**
+ * @brief Enables or disables the I2C 10-bit header only mode with read direction.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param NewState: new state of the I2C 10-bit header only mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @note This mode can be used only when switching from master transmitter mode
+ * to master receiver mode.
+ * @retval None
+ */
+void I2C_10BitAddressHeaderCmd(I2C_TypeDef* I2Cx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable 10-bit header only mode */
+ I2Cx->CR2 |= I2C_CR2_HEAD10R;
+ }
+ else
+ {
+ /* Disable 10-bit header only mode */
+ I2Cx->CR2 &= (uint32_t)~((uint32_t)I2C_CR2_HEAD10R);
+ }
+}
+
+/**
+ * @brief Generates I2C communication Acknowledge.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param NewState: new state of the Acknowledge.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void I2C_AcknowledgeConfig(I2C_TypeDef* I2Cx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable ACK generation */
+ I2Cx->CR2 &= (uint32_t)~((uint32_t)I2C_CR2_NACK);
+ }
+ else
+ {
+ /* Enable NACK generation */
+ I2Cx->CR2 |= I2C_CR2_NACK;
+ }
+}
+
+/**
+ * @brief Returns the I2C slave matched address .
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @retval The value of the slave matched address .
+ */
+uint8_t I2C_GetAddressMatched(I2C_TypeDef* I2Cx)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+
+ /* Return the slave matched address in the SR1 register */
+ return (uint8_t)(((uint32_t)I2Cx->ISR & I2C_ISR_ADDCODE) >> 16) ;
+}
+
+/**
+ * @brief Returns the I2C slave received request.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @retval The value of the received request.
+ */
+uint16_t I2C_GetTransferDirection(I2C_TypeDef* I2Cx)
+{
+ uint32_t tmpreg = 0;
+ uint16_t direction = 0;
+
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+
+ /* Return the slave matched address in the SR1 register */
+ tmpreg = (uint32_t)(I2Cx->ISR & I2C_ISR_DIR);
+
+ /* If write transfer is requested */
+ if (tmpreg == 0)
+ {
+ /* write transfer is requested */
+ direction = I2C_Direction_Transmitter;
+ }
+ else
+ {
+ /* Read transfer is requested */
+ direction = I2C_Direction_Receiver;
+ }
+ return direction;
+}
+
+/**
+ * @brief Handles I2Cx communication when starting transfer or during transfer (TC or TCR flag are set).
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param Address: specifies the slave address to be programmed.
+ * @param Number_Bytes: specifies the number of bytes to be programmed.
+ * This parameter must be a value between 0 and 255.
+ * @param ReloadEndMode: new state of the I2C START condition generation.
+ * This parameter can be one of the following values:
+ * @arg I2C_Reload_Mode: Enable Reload mode .
+ * @arg I2C_AutoEnd_Mode: Enable Automatic end mode.
+ * @arg I2C_SoftEnd_Mode: Enable Software end mode.
+ * @param StartStopMode: new state of the I2C START condition generation.
+ * This parameter can be one of the following values:
+ * @arg I2C_No_StartStop: Don't Generate stop and start condition.
+ * @arg I2C_Generate_Stop: Generate stop condition (Number_Bytes should be set to 0).
+ * @arg I2C_Generate_Start_Read: Generate Restart for read request.
+ * @arg I2C_Generate_Start_Write: Generate Restart for write request.
+ * @retval None
+ */
+void I2C_TransferHandling(I2C_TypeDef* I2Cx, uint16_t Address, uint8_t Number_Bytes, uint32_t ReloadEndMode, uint32_t StartStopMode)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_I2C_SLAVE_ADDRESS(Address));
+ assert_param(IS_RELOAD_END_MODE(ReloadEndMode));
+ assert_param(IS_START_STOP_MODE(StartStopMode));
+
+ /* Get the CR2 register value */
+ tmpreg = I2Cx->CR2;
+
+ /* clear tmpreg specific bits */
+ tmpreg &= (uint32_t)~((uint32_t)(I2C_CR2_SADD | I2C_CR2_NBYTES | I2C_CR2_RELOAD | I2C_CR2_AUTOEND | I2C_CR2_RD_WRN | I2C_CR2_START | I2C_CR2_STOP));
+
+ /* update tmpreg */
+ tmpreg |= (uint32_t)(((uint32_t)Address & I2C_CR2_SADD) | (((uint32_t)Number_Bytes << 16 ) & I2C_CR2_NBYTES) | \
+ (uint32_t)ReloadEndMode | (uint32_t)StartStopMode);
+
+ /* update CR2 register */
+ I2Cx->CR2 = tmpreg;
+}
+
+/**
+ * @}
+ */
+
+
+/** @defgroup I2C_Group3 SMBUS management functions
+ * @brief SMBUS management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### SMBUS management functions #####
+ ===============================================================================
+ [..] This section provides a set of functions that handles SMBus communication
+ and timeouts detection.
+
+ [..] The SMBus Device default address (0b1100 001) is enabled by calling I2C_Init()
+ function and setting I2C_Mode member of I2C_InitTypeDef() structure to
+ I2C_Mode_SMBusDevice.
+
+ [..] The SMBus Host address (0b0001 000) is enabled by calling I2C_Init()
+ function and setting I2C_Mode member of I2C_InitTypeDef() structure to
+ I2C_Mode_SMBusHost.
+
+ [..] The Alert Response Address (0b0001 100) is enabled using I2C_SMBusAlertCmd()
+ function.
+
+ [..] To detect cumulative SCL stretch in master and slave mode, TIMEOUTB should be
+ configured (in accordance to SMBus specification) using I2C_TimeoutBConfig()
+ function then I2C_ExtendedClockTimeoutCmd() function should be called to enable
+ the detection.
+
+ [..] SCL low timeout is detected by configuring TIMEOUTB using I2C_TimeoutBConfig()
+ function followed by the call of I2C_ClockTimeoutCmd(). When adding to this
+ procedure the call of I2C_IdleClockTimeoutCmd() function, Bus Idle condition
+ (both SCL and SDA high) is detected also.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables I2C SMBus alert.
+ * @param I2Cx: where x can be 1 to select the I2C peripheral.
+ * @param NewState: new state of the I2Cx SMBus alert.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void I2C_SMBusAlertCmd(I2C_TypeDef* I2Cx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_1_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable SMBus alert */
+ I2Cx->CR1 |= I2C_CR1_ALERTEN;
+ }
+ else
+ {
+ /* Disable SMBus alert */
+ I2Cx->CR1 &= (uint32_t)~((uint32_t)I2C_CR1_ALERTEN);
+ }
+}
+
+/**
+ * @brief Enables or disables I2C Clock Timeout (SCL Timeout detection).
+ * @param I2Cx: where x can be 1 to select the I2C peripheral.
+ * @param NewState: new state of the I2Cx clock Timeout.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void I2C_ClockTimeoutCmd(I2C_TypeDef* I2Cx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_1_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable Clock Timeout */
+ I2Cx->TIMEOUTR |= I2C_TIMEOUTR_TIMOUTEN;
+ }
+ else
+ {
+ /* Disable Clock Timeout */
+ I2Cx->TIMEOUTR &= (uint32_t)~((uint32_t)I2C_TIMEOUTR_TIMOUTEN);
+ }
+}
+
+/**
+ * @brief Enables or disables I2C Extended Clock Timeout (SCL cumulative Timeout detection).
+ * @param I2Cx: where x can be 1 to select the I2C peripheral.
+ * @param NewState: new state of the I2Cx Extended clock Timeout.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void I2C_ExtendedClockTimeoutCmd(I2C_TypeDef* I2Cx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_1_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable Clock Timeout */
+ I2Cx->TIMEOUTR |= I2C_TIMEOUTR_TEXTEN;
+ }
+ else
+ {
+ /* Disable Clock Timeout */
+ I2Cx->TIMEOUTR &= (uint32_t)~((uint32_t)I2C_TIMEOUTR_TEXTEN);
+ }
+}
+
+/**
+ * @brief Enables or disables I2C Idle Clock Timeout (Bus idle SCL and SDA
+ * high detection).
+ * @param I2Cx: where x can be 1 to select the I2C peripheral.
+ * @param NewState: new state of the I2Cx Idle clock Timeout.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void I2C_IdleClockTimeoutCmd(I2C_TypeDef* I2Cx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_1_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable Clock Timeout */
+ I2Cx->TIMEOUTR |= I2C_TIMEOUTR_TIDLE;
+ }
+ else
+ {
+ /* Disable Clock Timeout */
+ I2Cx->TIMEOUTR &= (uint32_t)~((uint32_t)I2C_TIMEOUTR_TIDLE);
+ }
+}
+
+/**
+ * @brief Configures the I2C Bus Timeout A (SCL Timeout when TIDLE = 0 or Bus
+ * idle SCL and SDA high when TIDLE = 1).
+ * @param I2Cx: where x can be 1 to select the I2C peripheral.
+ * @param Timeout: specifies the TimeoutA to be programmed.
+ * @retval None
+ */
+void I2C_TimeoutAConfig(I2C_TypeDef* I2Cx, uint16_t Timeout)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_I2C_1_PERIPH(I2Cx));
+ assert_param(IS_I2C_TIMEOUT(Timeout));
+
+ /* Get the old register value */
+ tmpreg = I2Cx->TIMEOUTR;
+
+ /* Reset I2Cx TIMEOUTA bit [11:0] */
+ tmpreg &= (uint32_t)~((uint32_t)I2C_TIMEOUTR_TIMEOUTA);
+
+ /* Set I2Cx TIMEOUTA */
+ tmpreg |= (uint32_t)((uint32_t)Timeout & I2C_TIMEOUTR_TIMEOUTA) ;
+
+ /* Store the new register value */
+ I2Cx->TIMEOUTR = tmpreg;
+}
+
+/**
+ * @brief Configures the I2C Bus Timeout B (SCL cumulative Timeout).
+ * @param I2Cx: where x can be 1 to select the I2C peripheral.
+ * @param Timeout: specifies the TimeoutB to be programmed.
+ * @retval None
+ */
+void I2C_TimeoutBConfig(I2C_TypeDef* I2Cx, uint16_t Timeout)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_I2C_1_PERIPH(I2Cx));
+ assert_param(IS_I2C_TIMEOUT(Timeout));
+
+ /* Get the old register value */
+ tmpreg = I2Cx->TIMEOUTR;
+
+ /* Reset I2Cx TIMEOUTB bit [11:0] */
+ tmpreg &= (uint32_t)~((uint32_t)I2C_TIMEOUTR_TIMEOUTB);
+
+ /* Set I2Cx TIMEOUTB */
+ tmpreg |= (uint32_t)(((uint32_t)Timeout << 16) & I2C_TIMEOUTR_TIMEOUTB) ;
+
+ /* Store the new register value */
+ I2Cx->TIMEOUTR = tmpreg;
+}
+
+/**
+ * @brief Enables or disables I2C PEC calculation.
+ * @param I2Cx: where x can be 1 to select the I2C peripheral.
+ * @param NewState: new state of the I2Cx PEC calculation.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void I2C_CalculatePEC(I2C_TypeDef* I2Cx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_1_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable PEC calculation */
+ I2Cx->CR1 |= I2C_CR1_PECEN;
+ }
+ else
+ {
+ /* Disable PEC calculation */
+ I2Cx->CR1 &= (uint32_t)~((uint32_t)I2C_CR1_PECEN);
+ }
+}
+
+/**
+ * @brief Enables or disables I2C PEC transmission/reception request.
+ * @param I2Cx: where x can be 1 to select the I2C peripheral.
+ * @param NewState: new state of the I2Cx PEC request.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void I2C_PECRequestCmd(I2C_TypeDef* I2Cx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_1_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable PEC transmission/reception request */
+ I2Cx->CR2 |= I2C_CR2_PECBYTE;
+ }
+ else
+ {
+ /* Disable PEC transmission/reception request */
+ I2Cx->CR2 &= (uint32_t)~((uint32_t)I2C_CR2_PECBYTE);
+ }
+}
+
+/**
+ * @brief Returns the I2C PEC.
+ * @param I2Cx: where x can be 1 to select the I2C peripheral.
+ * @retval The value of the PEC .
+ */
+uint8_t I2C_GetPEC(I2C_TypeDef* I2Cx)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_1_PERIPH(I2Cx));
+
+ /* Return the slave matched address in the SR1 register */
+ return (uint8_t)((uint32_t)I2Cx->PECR & I2C_PECR_PEC);
+}
+
+/**
+ * @}
+ */
+
+
+/** @defgroup I2C_Group4 I2C registers management functions
+ * @brief I2C registers management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### I2C registers management functions #####
+ ===============================================================================
+ [..] This section provides a functions that allow user the management of
+ I2C registers.
+
+@endverbatim
+ * @{
+ */
+
+ /**
+ * @brief Reads the specified I2C register and returns its value.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param I2C_Register: specifies the register to read.
+ * This parameter can be one of the following values:
+ * @arg I2C_Register_CR1: CR1 register.
+ * @arg I2C_Register_CR2: CR2 register.
+ * @arg I2C_Register_OAR1: OAR1 register.
+ * @arg I2C_Register_OAR2: OAR2 register.
+ * @arg I2C_Register_TIMINGR: TIMING register.
+ * @arg I2C_Register_TIMEOUTR: TIMEOUTR register.
+ * @arg I2C_Register_ISR: ISR register.
+ * @arg I2C_Register_ICR: ICR register.
+ * @arg I2C_Register_PECR: PECR register.
+ * @arg I2C_Register_RXDR: RXDR register.
+ * @arg I2C_Register_TXDR: TXDR register.
+ * @retval The value of the read register.
+ */
+uint32_t I2C_ReadRegister(I2C_TypeDef* I2Cx, uint8_t I2C_Register)
+{
+ __IO uint32_t tmp = 0;
+
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_I2C_REGISTER(I2C_Register));
+
+ tmp = (uint32_t)I2Cx;
+ tmp += I2C_Register;
+
+ /* Return the selected register value */
+ return (*(__IO uint32_t *) tmp);
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup I2C_Group5 Data transfers management functions
+ * @brief Data transfers management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Data transfers management functions #####
+ ===============================================================================
+ [..] This subsection provides a set of functions allowing to manage
+ the I2C data transfers.
+
+ [..] The read access of the I2C_RXDR register can be done using
+ the I2C_ReceiveData() function and returns the received value.
+ Whereas a write access to the I2C_TXDR can be done using I2C_SendData()
+ function and stores the written data into TXDR.
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Sends a data byte through the I2Cx peripheral.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param Data: Byte to be transmitted..
+ * @retval None
+ */
+void I2C_SendData(I2C_TypeDef* I2Cx, uint8_t Data)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+
+ /* Write in the DR register the data to be sent */
+ I2Cx->TXDR = (uint8_t)Data;
+}
+
+/**
+ * @brief Returns the most recent received data by the I2Cx peripheral.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @retval The value of the received data.
+ */
+uint8_t I2C_ReceiveData(I2C_TypeDef* I2Cx)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+
+ /* Return the data in the DR register */
+ return (uint8_t)I2Cx->RXDR;
+}
+
+/**
+ * @}
+ */
+
+
+/** @defgroup I2C_Group6 DMA transfers management functions
+ * @brief DMA transfers management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### DMA transfers management functions #####
+ ===============================================================================
+ [..] This section provides two functions that can be used only in DMA mode.
+ [..] In DMA Mode, the I2C communication can be managed by 2 DMA Channel
+ requests:
+ (#) I2C_DMAReq_Tx: specifies the Tx buffer DMA transfer request.
+ (#) I2C_DMAReq_Rx: specifies the Rx buffer DMA transfer request.
+ [..] In this Mode it is advised to use the following function:
+ (+) I2C_DMACmd(I2C_TypeDef* I2Cx, uint32_t I2C_DMAReq, FunctionalState NewState);
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the I2C DMA interface.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param I2C_DMAReq: specifies the I2C DMA transfer request to be enabled or disabled.
+ * This parameter can be any combination of the following values:
+ * @arg I2C_DMAReq_Tx: Tx DMA transfer request
+ * @arg I2C_DMAReq_Rx: Rx DMA transfer request
+ * @param NewState: new state of the selected I2C DMA transfer request.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void I2C_DMACmd(I2C_TypeDef* I2Cx, uint32_t I2C_DMAReq, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+ assert_param(IS_I2C_DMA_REQ(I2C_DMAReq));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected I2C DMA requests */
+ I2Cx->CR1 |= I2C_DMAReq;
+ }
+ else
+ {
+ /* Disable the selected I2C DMA requests */
+ I2Cx->CR1 &= (uint32_t)~I2C_DMAReq;
+ }
+}
+/**
+ * @}
+ */
+
+
+/** @defgroup I2C_Group7 Interrupts and flags management functions
+ * @brief Interrupts and flags management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Interrupts and flags management functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to configure the I2C Interrupts
+ sources and check or clear the flags or pending bits status.
+ The user should identify which mode will be used in his application to manage
+ the communication: Polling mode, Interrupt mode or DMA mode(refer I2C_Group6).
+
+ *** Polling Mode ***
+ ====================
+ [..] In Polling Mode, the I2C communication can be managed by 15 flags:
+ (#) I2C_FLAG_TXE: to indicate the status of Transmit data register empty flag.
+ (#) I2C_FLAG_TXIS: to indicate the status of Transmit interrupt status flag .
+ (#) I2C_FLAG_RXNE: to indicate the status of Receive data register not empty flag.
+ (#) I2C_FLAG_ADDR: to indicate the status of Address matched flag (slave mode).
+ (#) I2C_FLAG_NACKF: to indicate the status of NACK received flag.
+ (#) I2C_FLAG_STOPF: to indicate the status of STOP detection flag.
+ (#) I2C_FLAG_TC: to indicate the status of Transfer complete flag(master mode).
+ (#) I2C_FLAG_TCR: to indicate the status of Transfer complete reload flag.
+ (#) I2C_FLAG_BERR: to indicate the status of Bus error flag.
+ (#) I2C_FLAG_ARLO: to indicate the status of Arbitration lost flag.
+ (#) I2C_FLAG_OVR: to indicate the status of Overrun/Underrun flag.
+ (#) I2C_FLAG_PECERR: to indicate the status of PEC error in reception flag.
+ (#) I2C_FLAG_TIMEOUT: to indicate the status of Timeout or Tlow detection flag.
+ (#) I2C_FLAG_ALERT: to indicate the status of SMBus Alert flag.
+ (#) I2C_FLAG_BUSY: to indicate the status of Bus busy flag.
+
+ [..] In this Mode it is advised to use the following functions:
+ (+) FlagStatus I2C_GetFlagStatus(I2C_TypeDef* I2Cx, uint32_t I2C_FLAG);
+ (+) void I2C_ClearFlag(I2C_TypeDef* I2Cx, uint32_t I2C_FLAG);
+
+ [..]
+ (@)Do not use the BUSY flag to handle each data transmission or reception.It is
+ better to use the TXIS and RXNE flags instead.
+
+ *** Interrupt Mode ***
+ ======================
+ [..] In Interrupt Mode, the I2C communication can be managed by 7 interrupt sources
+ and 15 pending bits:
+ [..] Interrupt Source:
+ (#) I2C_IT_ERRI: specifies the interrupt source for the Error interrupt.
+ (#) I2C_IT_TCI: specifies the interrupt source for the Transfer Complete interrupt.
+ (#) I2C_IT_STOPI: specifies the interrupt source for the Stop Detection interrupt.
+ (#) I2C_IT_NACKI: specifies the interrupt source for the Not Acknowledge received interrupt.
+ (#) I2C_IT_ADDRI: specifies the interrupt source for the Address Match interrupt.
+ (#) I2C_IT_RXI: specifies the interrupt source for the RX interrupt.
+ (#) I2C_IT_TXI: specifies the interrupt source for the TX interrupt.
+
+ [..] Pending Bits:
+ (#) I2C_IT_TXIS: to indicate the status of Transmit interrupt status flag.
+ (#) I2C_IT_RXNE: to indicate the status of Receive data register not empty flag.
+ (#) I2C_IT_ADDR: to indicate the status of Address matched flag (slave mode).
+ (#) I2C_IT_NACKF: to indicate the status of NACK received flag.
+ (#) I2C_IT_STOPF: to indicate the status of STOP detection flag.
+ (#) I2C_IT_TC: to indicate the status of Transfer complete flag (master mode).
+ (#) I2C_IT_TCR: to indicate the status of Transfer complete reload flag.
+ (#) I2C_IT_BERR: to indicate the status of Bus error flag.
+ (#) I2C_IT_ARLO: to indicate the status of Arbitration lost flag.
+ (#) I2C_IT_OVR: to indicate the status of Overrun/Underrun flag.
+ (#) I2C_IT_PECERR: to indicate the status of PEC error in reception flag.
+ (#) I2C_IT_TIMEOUT: to indicate the status of Timeout or Tlow detection flag.
+ (#) I2C_IT_ALERT: to indicate the status of SMBus Alert flag.
+
+ [..] In this Mode it is advised to use the following functions:
+ (+) void I2C_ClearITPendingBit(I2C_TypeDef* I2Cx, uint32_t I2C_IT);
+ (+) ITStatus I2C_GetITStatus(I2C_TypeDef* I2Cx, uint32_t I2C_IT);
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Checks whether the specified I2C flag is set or not.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param I2C_FLAG: specifies the flag to check.
+ * This parameter can be one of the following values:
+ * @arg I2C_FLAG_TXE: Transmit data register empty
+ * @arg I2C_FLAG_TXIS: Transmit interrupt status
+ * @arg I2C_FLAG_RXNE: Receive data register not empty
+ * @arg I2C_FLAG_ADDR: Address matched (slave mode)
+ * @arg I2C_FLAG_NACKF: NACK received flag
+ * @arg I2C_FLAG_STOPF: STOP detection flag
+ * @arg I2C_FLAG_TC: Transfer complete (master mode)
+ * @arg I2C_FLAG_TCR: Transfer complete reload
+ * @arg I2C_FLAG_BERR: Bus error
+ * @arg I2C_FLAG_ARLO: Arbitration lost
+ * @arg I2C_FLAG_OVR: Overrun/Underrun
+ * @arg I2C_FLAG_PECERR: PEC error in reception
+ * @arg I2C_FLAG_TIMEOUT: Timeout or Tlow detection flag
+ * @arg I2C_FLAG_ALERT: SMBus Alert
+ * @arg I2C_FLAG_BUSY: Bus busy
+ * @retval The new state of I2C_FLAG (SET or RESET).
+ */
+FlagStatus I2C_GetFlagStatus(I2C_TypeDef* I2Cx, uint32_t I2C_FLAG)
+{
+ uint32_t tmpreg = 0;
+ FlagStatus bitstatus = RESET;
+
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_I2C_GET_FLAG(I2C_FLAG));
+
+ /* Get the ISR register value */
+ tmpreg = I2Cx->ISR;
+
+ /* Get flag status */
+ tmpreg &= I2C_FLAG;
+
+ if(tmpreg != 0)
+ {
+ /* I2C_FLAG is set */
+ bitstatus = SET;
+ }
+ else
+ {
+ /* I2C_FLAG is reset */
+ bitstatus = RESET;
+ }
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the I2Cx's pending flags.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param I2C_FLAG: specifies the flag to clear.
+ * This parameter can be any combination of the following values:
+ * @arg I2C_FLAG_ADDR: Address matched (slave mode)
+ * @arg I2C_FLAG_NACKF: NACK received flag
+ * @arg I2C_FLAG_STOPF: STOP detection flag
+ * @arg I2C_FLAG_BERR: Bus error
+ * @arg I2C_FLAG_ARLO: Arbitration lost
+ * @arg I2C_FLAG_OVR: Overrun/Underrun
+ * @arg I2C_FLAG_PECERR: PEC error in reception
+ * @arg I2C_FLAG_TIMEOUT: Timeout or Tlow detection flag
+ * @arg I2C_FLAG_ALERT: SMBus Alert
+ * @retval The new state of I2C_FLAG (SET or RESET).
+ */
+void I2C_ClearFlag(I2C_TypeDef* I2Cx, uint32_t I2C_FLAG)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_I2C_CLEAR_FLAG(I2C_FLAG));
+
+ /* Clear the selected flag */
+ I2Cx->ICR = I2C_FLAG;
+ }
+
+/**
+ * @brief Checks whether the specified I2C interrupt has occurred or not.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param I2C_IT: specifies the interrupt source to check.
+ * This parameter can be one of the following values:
+ * @arg I2C_IT_TXIS: Transmit interrupt status
+ * @arg I2C_IT_RXNE: Receive data register not empty
+ * @arg I2C_IT_ADDR: Address matched (slave mode)
+ * @arg I2C_IT_NACKF: NACK received flag
+ * @arg I2C_IT_STOPF: STOP detection flag
+ * @arg I2C_IT_TC: Transfer complete (master mode)
+ * @arg I2C_IT_TCR: Transfer complete reload
+ * @arg I2C_IT_BERR: Bus error
+ * @arg I2C_IT_ARLO: Arbitration lost
+ * @arg I2C_IT_OVR: Overrun/Underrun
+ * @arg I2C_IT_PECERR: PEC error in reception
+ * @arg I2C_IT_TIMEOUT: Timeout or Tlow detection flag
+ * @arg I2C_IT_ALERT: SMBus Alert
+ * @retval The new state of I2C_IT (SET or RESET).
+ */
+ITStatus I2C_GetITStatus(I2C_TypeDef* I2Cx, uint32_t I2C_IT)
+{
+ uint32_t tmpreg = 0;
+ ITStatus bitstatus = RESET;
+ uint32_t enablestatus = 0;
+
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_I2C_GET_IT(I2C_IT));
+
+ /* Check if the interrupt source is enabled or not */
+ /* If Error interrupt */
+ if ((uint32_t)(I2C_IT & ERROR_IT_MASK))
+ {
+ enablestatus = (uint32_t)((I2C_CR1_ERRIE) & (I2Cx->CR1));
+ }
+ /* If TC interrupt */
+ else if ((uint32_t)(I2C_IT & TC_IT_MASK))
+ {
+ enablestatus = (uint32_t)((I2C_CR1_TCIE) & (I2Cx->CR1));
+ }
+ else
+ {
+ enablestatus = (uint32_t)((I2C_IT) & (I2Cx->CR1));
+ }
+
+ /* Get the ISR register value */
+ tmpreg = I2Cx->ISR;
+
+ /* Get flag status */
+ tmpreg &= I2C_IT;
+
+ /* Check the status of the specified I2C flag */
+ if((tmpreg != RESET) && enablestatus)
+ {
+ /* I2C_IT is set */
+ bitstatus = SET;
+ }
+ else
+ {
+ /* I2C_IT is reset */
+ bitstatus = RESET;
+ }
+
+ /* Return the I2C_IT status */
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the I2Cx's interrupt pending bits.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param I2C_IT: specifies the interrupt pending bit to clear.
+ * This parameter can be any combination of the following values:
+ * @arg I2C_IT_ADDR: Address matched (slave mode)
+ * @arg I2C_IT_NACKF: NACK received flag
+ * @arg I2C_IT_STOPF: STOP detection flag
+ * @arg I2C_IT_BERR: Bus error
+ * @arg I2C_IT_ARLO: Arbitration lost
+ * @arg I2C_IT_OVR: Overrun/Underrun
+ * @arg I2C_IT_PECERR: PEC error in reception
+ * @arg I2C_IT_TIMEOUT: Timeout or Tlow detection flag
+ * @arg I2C_IT_ALERT: SMBus Alert
+ * @retval The new state of I2C_IT (SET or RESET).
+ */
+void I2C_ClearITPendingBit(I2C_TypeDef* I2Cx, uint32_t I2C_IT)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_I2C_CLEAR_IT(I2C_IT));
+
+ /* Clear the selected flag */
+ I2Cx->ICR = I2C_IT;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_iwdg.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_iwdg.c
new file mode 100644
index 00000000..7f00dd17
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_iwdg.c
@@ -0,0 +1,293 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_iwdg.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the Independent watchdog (IWDG) peripheral:
+ * + Prescaler and Counter configuration
+ * + IWDG activation
+ * + Flag management
+ *
+ * @verbatim
+ *
+ ==============================================================================
+ ##### IWDG features #####
+ ==============================================================================
+ [..] The IWDG can be started by either software or hardware (configurable
+ through option byte).
+
+ [..] The IWDG is clocked by its own dedicated low-speed clock (LSI) and
+ thus stays active even if the main clock fails.
+ Once the IWDG is started, the LSI is forced ON and cannot be disabled
+ (LSI cannot be disabled too), and the counter starts counting down from
+ the reset value of 0xFFF. When it reaches the end of count value (0x000)
+ a system reset is generated.
+ The IWDG counter should be reloaded at regular intervals to prevent
+ an MCU reset.
+
+ [..] The IWDG is implemented in the VDD voltage domain that is still functional
+ in STOP and STANDBY mode (IWDG reset can wake-up from STANDBY).
+
+ [..] IWDGRST flag in RCC_CSR register can be used to inform when a IWDG
+ reset occurs.
+
+ [..] Min-max timeout value @40KHz (LSI): ~0.1ms / ~28.3s
+ The IWDG timeout may vary due to LSI frequency dispersion. STM32F0xx
+ devices provide the capability to measure the LSI frequency (LSI clock
+ should be seleted as RTC clock which is internally connected to TIM10 CH1
+ input capture). The measured value can be used to have an IWDG timeout with
+ an acceptable accuracy.
+ For more information, please refer to the STM32F0xx Reference manual.
+
+ ##### How to use this driver #####
+ ==============================================================================
+ [..] This driver allows to use IWDG peripheral with either window option enabled
+ or disabled. To do so follow one of the two procedures below.
+ (#) Window option is enabled:
+ (++) Start the IWDG using IWDG_Enable() function, when the IWDG is used
+ in software mode (no need to enable the LSI, it will be enabled
+ by hardware).
+ (++) Enable write access to IWDG_PR and IWDG_RLR registers using
+ IWDG_WriteAccessCmd(IWDG_WriteAccess_Enable) function.
+ (++) Configure the IWDG prescaler using IWDG_SetPrescaler() function.
+ (++) Configure the IWDG counter value using IWDG_SetReload() function.
+ This value will be loaded in the IWDG counter each time the counter
+ is reloaded, then the IWDG will start counting down from this value.
+ (++) Wait for the IWDG registers to be updated using IWDG_GetFlagStatus() function.
+ (++) Configure the IWDG refresh window using IWDG_SetWindowValue() function.
+
+ (#) Window option is disabled:
+ (++) Enable write access to IWDG_PR and IWDG_RLR registers using
+ IWDG_WriteAccessCmd(IWDG_WriteAccess_Enable) function.
+ (++) Configure the IWDG prescaler using IWDG_SetPrescaler() function.
+ (++) Configure the IWDG counter value using IWDG_SetReload() function.
+ This value will be loaded in the IWDG counter each time the counter
+ is reloaded, then the IWDG will start counting down from this value.
+ (++) Wait for the IWDG registers to be updated using IWDG_GetFlagStatus() function.
+ (++) reload the IWDG counter at regular intervals during normal operation
+ to prevent an MCU reset, using IWDG_ReloadCounter() function.
+ (++) Start the IWDG using IWDG_Enable() function, when the IWDG is used
+ in software mode (no need to enable the LSI, it will be enabled
+ by hardware).
+
+ @endverbatim
+ *
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_iwdg.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup IWDG
+ * @brief IWDG driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* ---------------------- IWDG registers bit mask ----------------------------*/
+/* KR register bit mask */
+#define KR_KEY_RELOAD ((uint16_t)0xAAAA)
+#define KR_KEY_ENABLE ((uint16_t)0xCCCC)
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup IWDG_Private_Functions
+ * @{
+ */
+
+/** @defgroup IWDG_Group1 Prescaler and Counter configuration functions
+ * @brief Prescaler and Counter configuration functions
+ *
+@verbatim
+ ==============================================================================
+ ##### Prescaler and Counter configuration functions #####
+ ==============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables write access to IWDG_PR and IWDG_RLR registers.
+ * @param IWDG_WriteAccess: new state of write access to IWDG_PR and IWDG_RLR registers.
+ * This parameter can be one of the following values:
+ * @arg IWDG_WriteAccess_Enable: Enable write access to IWDG_PR and IWDG_RLR registers
+ * @arg IWDG_WriteAccess_Disable: Disable write access to IWDG_PR and IWDG_RLR registers
+ * @retval None
+ */
+void IWDG_WriteAccessCmd(uint16_t IWDG_WriteAccess)
+{
+ /* Check the parameters */
+ assert_param(IS_IWDG_WRITE_ACCESS(IWDG_WriteAccess));
+ IWDG->KR = IWDG_WriteAccess;
+}
+
+/**
+ * @brief Sets IWDG Prescaler value.
+ * @param IWDG_Prescaler: specifies the IWDG Prescaler value.
+ * This parameter can be one of the following values:
+ * @arg IWDG_Prescaler_4: IWDG prescaler set to 4
+ * @arg IWDG_Prescaler_8: IWDG prescaler set to 8
+ * @arg IWDG_Prescaler_16: IWDG prescaler set to 16
+ * @arg IWDG_Prescaler_32: IWDG prescaler set to 32
+ * @arg IWDG_Prescaler_64: IWDG prescaler set to 64
+ * @arg IWDG_Prescaler_128: IWDG prescaler set to 128
+ * @arg IWDG_Prescaler_256: IWDG prescaler set to 256
+ * @retval None
+ */
+void IWDG_SetPrescaler(uint8_t IWDG_Prescaler)
+{
+ /* Check the parameters */
+ assert_param(IS_IWDG_PRESCALER(IWDG_Prescaler));
+ IWDG->PR = IWDG_Prescaler;
+}
+
+/**
+ * @brief Sets IWDG Reload value.
+ * @param Reload: specifies the IWDG Reload value.
+ * This parameter must be a number between 0 and 0x0FFF.
+ * @retval None
+ */
+void IWDG_SetReload(uint16_t Reload)
+{
+ /* Check the parameters */
+ assert_param(IS_IWDG_RELOAD(Reload));
+ IWDG->RLR = Reload;
+}
+
+/**
+ * @brief Reloads IWDG counter with value defined in the reload register
+ * (write access to IWDG_PR and IWDG_RLR registers disabled).
+ * @param None
+ * @retval None
+ */
+void IWDG_ReloadCounter(void)
+{
+ IWDG->KR = KR_KEY_RELOAD;
+}
+
+
+/**
+ * @brief Sets the IWDG window value.
+ * @param WindowValue: specifies the window value to be compared to the downcounter.
+ * @retval None
+ */
+void IWDG_SetWindowValue(uint16_t WindowValue)
+{
+ /* Check the parameters */
+ assert_param(IS_IWDG_WINDOW_VALUE(WindowValue));
+ IWDG->WINR = WindowValue;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup IWDG_Group2 IWDG activation function
+ * @brief IWDG activation function
+ *
+@verbatim
+ ==============================================================================
+ ##### IWDG activation function #####
+ ==============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables IWDG (write access to IWDG_PR and IWDG_RLR registers disabled).
+ * @param None
+ * @retval None
+ */
+void IWDG_Enable(void)
+{
+ IWDG->KR = KR_KEY_ENABLE;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup IWDG_Group3 Flag management function
+ * @brief Flag management function
+ *
+@verbatim
+ ===============================================================================
+ ##### Flag management function #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Checks whether the specified IWDG flag is set or not.
+ * @param IWDG_FLAG: specifies the flag to check.
+ * This parameter can be one of the following values:
+ * @arg IWDG_FLAG_PVU: Prescaler Value Update on going
+ * @arg IWDG_FLAG_RVU: Reload Value Update on going
+ * @arg IWDG_FLAG_WVU: Counter Window Value Update on going
+ * @retval The new state of IWDG_FLAG (SET or RESET).
+ */
+FlagStatus IWDG_GetFlagStatus(uint16_t IWDG_FLAG)
+{
+ FlagStatus bitstatus = RESET;
+ /* Check the parameters */
+ assert_param(IS_IWDG_FLAG(IWDG_FLAG));
+ if ((IWDG->SR & IWDG_FLAG) != (uint32_t)RESET)
+ {
+ bitstatus = SET;
+ }
+ else
+ {
+ bitstatus = RESET;
+ }
+ /* Return the flag status */
+ return bitstatus;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_misc.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_misc.c
new file mode 100644
index 00000000..b3e0f2b3
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_misc.c
@@ -0,0 +1,167 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_misc.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides all the miscellaneous firmware functions (add-on
+ * to CMSIS functions).
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_misc.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup MISC
+ * @brief MISC driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup MISC_Private_Functions
+ * @{
+ */
+/**
+ *
+@verbatim
+ *******************************************************************************
+ ##### Interrupts configuration functions #####
+ *******************************************************************************
+ [..] This section provide functions allowing to configure the NVIC interrupts
+ (IRQ). The Cortex-M0 exceptions are managed by CMSIS functions.
+ (#) Enable and Configure the priority of the selected IRQ Channels.
+ The priority can be 0..3.
+
+ -@- Lower priority values gives higher priority.
+ -@- Priority Order:
+ (#@) Lowest priority.
+ (#@) Lowest hardware priority (IRQn position).
+
+@endverbatim
+*/
+
+/**
+ * @brief Initializes the NVIC peripheral according to the specified
+ * parameters in the NVIC_InitStruct.
+ * @param NVIC_InitStruct: pointer to a NVIC_InitTypeDef structure that contains
+ * the configuration information for the specified NVIC peripheral.
+ * @retval None
+ */
+void NVIC_Init(NVIC_InitTypeDef* NVIC_InitStruct)
+{
+ uint32_t tmppriority = 0x00;
+
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NVIC_InitStruct->NVIC_IRQChannelCmd));
+ assert_param(IS_NVIC_PRIORITY(NVIC_InitStruct->NVIC_IRQChannelPriority));
+
+ if (NVIC_InitStruct->NVIC_IRQChannelCmd != DISABLE)
+ {
+ /* Compute the Corresponding IRQ Priority --------------------------------*/
+ tmppriority = NVIC->IP[NVIC_InitStruct->NVIC_IRQChannel >> 0x02];
+ tmppriority &= (uint32_t)(~(((uint32_t)0xFF) << ((NVIC_InitStruct->NVIC_IRQChannel & 0x03) * 8)));
+ tmppriority |= (uint32_t)((((uint32_t)NVIC_InitStruct->NVIC_IRQChannelPriority << 6) & 0xFF) << ((NVIC_InitStruct->NVIC_IRQChannel & 0x03) * 8));
+
+ NVIC->IP[NVIC_InitStruct->NVIC_IRQChannel >> 0x02] = tmppriority;
+
+ /* Enable the Selected IRQ Channels --------------------------------------*/
+ NVIC->ISER[0] = (uint32_t)0x01 << (NVIC_InitStruct->NVIC_IRQChannel & (uint8_t)0x1F);
+ }
+ else
+ {
+ /* Disable the Selected IRQ Channels -------------------------------------*/
+ NVIC->ICER[0] = (uint32_t)0x01 << (NVIC_InitStruct->NVIC_IRQChannel & (uint8_t)0x1F);
+ }
+}
+
+/**
+ * @brief Selects the condition for the system to enter low power mode.
+ * @param LowPowerMode: Specifies the new mode for the system to enter low power mode.
+ * This parameter can be one of the following values:
+ * @arg NVIC_LP_SEVONPEND: Low Power SEV on Pend.
+ * @arg NVIC_LP_SLEEPDEEP: Low Power DEEPSLEEP request.
+ * @arg NVIC_LP_SLEEPONEXIT: Low Power Sleep on Exit.
+ * @param NewState: new state of LP condition.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void NVIC_SystemLPConfig(uint8_t LowPowerMode, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_NVIC_LP(LowPowerMode));
+
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ SCB->SCR |= LowPowerMode;
+ }
+ else
+ {
+ SCB->SCR &= (uint32_t)(~(uint32_t)LowPowerMode);
+ }
+}
+
+/**
+ * @brief Configures the SysTick clock source.
+ * @param SysTick_CLKSource: specifies the SysTick clock source.
+ * This parameter can be one of the following values:
+ * @arg SysTick_CLKSource_HCLK_Div8: AHB clock divided by 8 selected as SysTick clock source.
+ * @arg SysTick_CLKSource_HCLK: AHB clock selected as SysTick clock source.
+ * @retval None
+ */
+void SysTick_CLKSourceConfig(uint32_t SysTick_CLKSource)
+{
+ /* Check the parameters */
+ assert_param(IS_SYSTICK_CLK_SOURCE(SysTick_CLKSource));
+
+ if (SysTick_CLKSource == SysTick_CLKSource_HCLK)
+ {
+ SysTick->CTRL |= SysTick_CLKSource_HCLK;
+ }
+ else
+ {
+ SysTick->CTRL &= SysTick_CLKSource_HCLK_Div8;
+ }
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_pwr.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_pwr.c
new file mode 100644
index 00000000..fe654dbf
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_pwr.c
@@ -0,0 +1,566 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_pwr.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the Power Controller (PWR) peripheral:
+ * + Backup Domain Access
+ * + PVD configuration
+ * + WakeUp pins configuration
+ * + Low Power modes configuration
+ * + Flags management
+ *
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_pwr.h"
+#include "stm32f0xx_rcc.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup PWR
+ * @brief PWR driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+
+/* ------------------ PWR registers bit mask ------------------------ */
+
+/* CR register bit mask */
+#define CR_DS_MASK ((uint32_t)0xFFFFFFFC)
+#define CR_PLS_MASK ((uint32_t)0xFFFFFF1F)
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup PWR_Private_Functions
+ * @{
+ */
+
+/** @defgroup PWR_Group1 Backup Domain Access function
+ * @brief Backup Domain Access function
+ *
+@verbatim
+ ==============================================================================
+ ##### Backup Domain Access function #####
+ ==============================================================================
+
+ [..] After reset, the Backup Domain Registers (RCC BDCR Register, RTC registers
+ and RTC backup registers) are protected against possible stray write accesses.
+ [..] To enable access to Backup domain use the PWR_BackupAccessCmd(ENABLE) function.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Deinitializes the PWR peripheral registers to their default reset values.
+ * @param None
+ * @retval None
+ */
+void PWR_DeInit(void)
+{
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_PWR, ENABLE);
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_PWR, DISABLE);
+}
+
+/**
+ * @brief Enables or disables access to the Backup domain registers.
+ * @note If the HSE divided by 32 is used as the RTC clock, the
+ * Backup Domain Access should be kept enabled.
+ * @param NewState: new state of the access to the Backup domain registers.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void PWR_BackupAccessCmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the Backup Domain Access */
+ PWR->CR |= PWR_CR_DBP;
+ }
+ else
+ {
+ /* Disable the Backup Domain Access */
+ PWR->CR &= (uint32_t)~((uint32_t)PWR_CR_DBP);
+ }
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup PWR_Group2 PVD configuration functions
+ * @brief PVD configuration functions
+ *
+@verbatim
+ ==============================================================================
+ ##### PVD configuration functions #####
+ ==============================================================================
+ [..]
+ (+) The PVD is used to monitor the VDD power supply by comparing it to a threshold
+ selected by the PVD Level (PLS[2:0] bits in the PWR_CR).
+ (+) A PVDO flag is available to indicate if VDD/VDDA is higher or lower than the
+ PVD threshold. This event is internally connected to the EXTI line16
+ and can generate an interrupt if enabled through the EXTI registers.
+ (+) The PVD is stopped in Standby mode.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Configures the voltage threshold detected by the Power Voltage Detector(PVD).
+ * @note This function is not applicable for STM32F030 devices.
+ * @param PWR_PVDLevel: specifies the PVD detection level
+ * This parameter can be one of the following values:
+ * @arg PWR_PVDLevel_0
+ * @arg PWR_PVDLevel_1
+ * @arg PWR_PVDLevel_2
+ * @arg PWR_PVDLevel_3
+ * @arg PWR_PVDLevel_4
+ * @arg PWR_PVDLevel_5
+ * @arg PWR_PVDLevel_6
+ * @arg PWR_PVDLevel_7
+ * @note Refer to the electrical characteristics of your device datasheet for
+ * more details about the voltage threshold corresponding to each
+ * detection level.
+ * @retval None
+ */
+void PWR_PVDLevelConfig(uint32_t PWR_PVDLevel)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_PWR_PVD_LEVEL(PWR_PVDLevel));
+
+ tmpreg = PWR->CR;
+
+ /* Clear PLS[7:5] bits */
+ tmpreg &= CR_PLS_MASK;
+
+ /* Set PLS[7:5] bits according to PWR_PVDLevel value */
+ tmpreg |= PWR_PVDLevel;
+
+ /* Store the new value */
+ PWR->CR = tmpreg;
+}
+
+/**
+ * @brief Enables or disables the Power Voltage Detector(PVD).
+ * @note This function is not applicable for STM32F030 devices.
+ * @param NewState: new state of the PVD.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void PWR_PVDCmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the PVD */
+ PWR->CR |= PWR_CR_PVDE;
+ }
+ else
+ {
+ /* Disable the PVD */
+ PWR->CR &= (uint32_t)~((uint32_t)PWR_CR_PVDE);
+ }
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup PWR_Group3 WakeUp pins configuration functions
+ * @brief WakeUp pins configuration functions
+ *
+@verbatim
+ ==============================================================================
+ ##### WakeUp pin configuration functions #####
+ ==============================================================================
+
+ (+) WakeUp pins are used to wakeup the system from Standby mode. These pins are
+ forced in input pull down configuration and are active on rising edges.
+ (+) There are eight WakeUp pins: WakeUp Pin 1 on PA.00 and WakeUp Pin 2 on PC.13.
+ The following WakeUp pins are only applicable for STM32F072 dvices:
+ WakeUp Pin 3 on PE.06, WakeUp Pin 4 on PA.02, WakeUp Pin 5 on PC.05,
+ WakeUp Pin 6 on PB.05, WakeUp Pin 7 on PB.15 and WakeUp Pin 8 on PF.02.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the WakeUp Pin functionality.
+ * @param PWR_WakeUpPin: specifies the WakeUpPin.
+ * This parameter can be one of the following values
+ * @arg PWR_WakeUpPin_1
+ * @arg PWR_WakeUpPin_2
+ * @arg PWR_WakeUpPin_3, only applicable for STM32F072 devices
+ * @arg PWR_WakeUpPin_4, only applicable for STM32F072 devices
+ * @arg PWR_WakeUpPin_5, only applicable for STM32F072 devices
+ * @arg PWR_WakeUpPin_6, only applicable for STM32F072 devices
+ * @arg PWR_WakeUpPin_7, only applicable for STM32F072 devices
+ * @arg PWR_WakeUpPin_8, only applicable for STM32F072 devices
+ * @param NewState: new state of the WakeUp Pin functionality.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void PWR_WakeUpPinCmd(uint32_t PWR_WakeUpPin, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_PWR_WAKEUP_PIN(PWR_WakeUpPin));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the EWUPx pin */
+ PWR->CSR |= PWR_WakeUpPin;
+ }
+ else
+ {
+ /* Disable the EWUPx pin */
+ PWR->CSR &= ~PWR_WakeUpPin;
+ }
+}
+
+/**
+ * @}
+ */
+
+
+/** @defgroup PWR_Group4 Low Power modes configuration functions
+ * @brief Low Power modes configuration functions
+ *
+@verbatim
+ ==============================================================================
+ ##### Low Power modes configuration functions #####
+ ==============================================================================
+
+ [..] The devices feature three low-power modes:
+ (+) Sleep mode: Cortex-M0 core stopped, peripherals kept running.
+ (+) Stop mode: all clocks are stopped, regulator running, regulator in low power mode
+ (+) Standby mode: VCORE domain powered off
+
+ *** Sleep mode ***
+ ==================
+ [..]
+ (+) Entry:
+ (++) The Sleep mode is entered by executing the WFE() or WFI() instructions.
+ (+) Exit:
+ (++) Any peripheral interrupt acknowledged by the nested vectored interrupt
+ controller (NVIC) can wake up the device from Sleep mode.
+
+ *** Stop mode ***
+ =================
+ [..] In Stop mode, all clocks in the VCORE domain are stopped, the PLL, the HSI,
+ the HSI14 and the HSE RC oscillators are disabled. Internal SRAM and register
+ contents are preserved.
+ The voltage regulator can be configured either in normal or low-power mode.
+
+ (+) Entry:
+ (++) The Stop mode is entered using the PWR_EnterSTOPMode(PWR_Regulator_LowPower,)
+ function with regulator in LowPower or with Regulator ON.
+ (+) Exit:
+ (++) Any EXTI Line (Internal or External) configured in Interrupt/Event mode
+ or any internal IPs (I2C, UASRT or CEC) wakeup event.
+
+ *** Standby mode ***
+ ====================
+ [..] The Standby mode allows to achieve the lowest power consumption. It is based
+ on the Cortex-M0 deepsleep mode, with the voltage regulator disabled.
+ The VCORE domain is consequently powered off. The PLL, the HSI, the HSI14
+ oscillator and the HSE oscillator are also switched off. SRAM and register
+ contents are lost except for the Backup domain (RTC registers, RTC backup
+ registers and Standby circuitry).
+
+ [..] The voltage regulator is OFF.
+
+ (+) Entry:
+ (++) The Standby mode is entered using the PWR_EnterSTANDBYMode() function.
+ (+) Exit:
+ (++) WKUP pin rising edge, RTC alarm (Alarm A and Alarm B), RTC wakeup,
+ tamper event, time-stamp event, external reset in NRST pin, IWDG reset.
+
+ *** Auto-wakeup (AWU) from low-power mode ***
+ =============================================
+ [..] The MCU can be woken up from low-power mode by an RTC Alarm event, a tamper
+ event, a time-stamp event, or a comparator event, without depending on an
+ external interrupt (Auto-wakeup mode).
+
+ (+) RTC auto-wakeup (AWU) from the Stop mode
+ (++) To wake up from the Stop mode with an RTC alarm event, it is necessary to:
+ (+++) Configure the EXTI Line 17 to be sensitive to rising edges (Interrupt
+ or Event modes) using the EXTI_Init() function.
+ (+++) Enable the RTC Alarm Interrupt using the RTC_ITConfig() function
+ (+++) Configure the RTC to generate the RTC alarm using the RTC_SetAlarm()
+ and RTC_AlarmCmd() functions.
+ (++) To wake up from the Stop mode with an RTC Tamper or time stamp event, it
+ is necessary to:
+ (+++) Configure the EXTI Line 19 to be sensitive to rising edges (Interrupt
+ or Event modes) using the EXTI_Init() function.
+ (+++) Enable the RTC Tamper or time stamp Interrupt using the RTC_ITConfig()
+ function.
+ (+++) Configure the RTC to detect the tamper or time stamp event using the
+ RTC_TimeStampConfig(), RTC_TamperTriggerConfig() and RTC_TamperCmd()
+ functions.
+
+ (+) RTC auto-wakeup (AWU) from the Standby mode
+ (++) To wake up from the Standby mode with an RTC alarm event, it is necessary to:
+ (+++) Enable the RTC Alarm Interrupt using the RTC_ITConfig() function.
+ (+++) Configure the RTC to generate the RTC alarm using the RTC_SetAlarm()
+ and RTC_AlarmCmd() functions.
+ (++) To wake up from the Standby mode with an RTC Tamper or time stamp event, it
+ is necessary to:
+ (+++) Enable the RTC Tamper or time stamp Interrupt using the RTC_ITConfig()
+ function.
+ (+++) Configure the RTC to detect the tamper or time stamp event using the
+ RTC_TimeStampConfig(), RTC_TamperTriggerConfig() and RTC_TamperCmd()
+ functions.
+
+ (+) Comparator auto-wakeup (AWU) from the Stop mode
+ (++) To wake up from the Stop mode with an comparator 1 or comparator 2 wakeup
+ event, it is necessary to:
+ (+++) Configure the EXTI Line 21 for comparator 1 or EXTI Line 22 for comparator 2
+ to be sensitive to to the selected edges (falling, rising or falling
+ and rising) (Interrupt or Event modes) using the EXTI_Init() function.
+ (+++) Configure the comparator to generate the event.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enters Sleep mode.
+ * @note In Sleep mode, all I/O pins keep the same state as in Run mode.
+ * @param PWR_SLEEPEntry: specifies if SLEEP mode in entered with WFI or WFE instruction.
+ * This parameter can be one of the following values:
+ * @arg PWR_SLEEPEntry_WFI: enter SLEEP mode with WFI instruction
+ * @arg PWR_SLEEPEntry_WFE: enter SLEEP mode with WFE instruction
+ * @retval None
+ */
+void PWR_EnterSleepMode(uint8_t PWR_SLEEPEntry)
+{
+ /* Check the parameters */
+ assert_param(IS_PWR_SLEEP_ENTRY(PWR_SLEEPEntry));
+
+ /* Clear SLEEPDEEP bit of Cortex-M0 System Control Register */
+ SCB->SCR &= (uint32_t)~((uint32_t)SCB_SCR_SLEEPDEEP_Msk);
+
+ /* Select SLEEP mode entry -------------------------------------------------*/
+ if(PWR_SLEEPEntry == PWR_SLEEPEntry_WFI)
+ {
+ /* Request Wait For Interrupt */
+ __WFI();
+ }
+ else
+ {
+ /* Request Wait For Event */
+ __SEV();
+ __WFE();
+ __WFE();
+ }
+}
+
+/**
+ * @brief Enters STOP mode.
+ * @note In Stop mode, all I/O pins keep the same state as in Run mode.
+ * @note When exiting Stop mode by issuing an interrupt or a wakeup event,
+ * the HSI RC oscillator is selected as system clock.
+ * @note When the voltage regulator operates in low power mode, an additional
+ * startup delay is incurred when waking up from Stop mode.
+ * By keeping the internal regulator ON during Stop mode, the consumption
+ * is higher although the startup time is reduced.
+ * @param PWR_Regulator: specifies the regulator state in STOP mode.
+ * This parameter can be one of the following values:
+ * @arg PWR_Regulator_ON: STOP mode with regulator ON
+ * @arg PWR_Regulator_LowPower: STOP mode with regulator in low power mode
+ * @param PWR_STOPEntry: specifies if STOP mode in entered with WFI or WFE instruction.
+ * This parameter can be one of the following values:
+ * @arg PWR_STOPEntry_WFI: enter STOP mode with WFI instruction
+ * @arg PWR_STOPEntry_WFE: enter STOP mode with WFE instruction
+ @arg PWR_STOPEntry_SLEEPONEXIT: enter STOP mode with SLEEPONEXIT instruction
+ * @retval None
+ */
+void PWR_EnterSTOPMode(uint32_t PWR_Regulator, uint8_t PWR_STOPEntry)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_PWR_REGULATOR(PWR_Regulator));
+ assert_param(IS_PWR_STOP_ENTRY(PWR_STOPEntry));
+
+ /* Select the regulator state in STOP mode ---------------------------------*/
+ tmpreg = PWR->CR;
+ /* Clear PDDS and LPDSR bits */
+ tmpreg &= CR_DS_MASK;
+
+ /* Set LPDSR bit according to PWR_Regulator value */
+ tmpreg |= PWR_Regulator;
+
+ /* Store the new value */
+ PWR->CR = tmpreg;
+
+ /* Set SLEEPDEEP bit of Cortex-M0 System Control Register */
+ SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk;
+
+ /* Select STOP mode entry --------------------------------------------------*/
+ if(PWR_STOPEntry == PWR_STOPEntry_WFI)
+ {
+ /* Request Wait For Interrupt */
+ __WFI();
+ /* Reset SLEEPDEEP bit of Cortex System Control Register */
+ SCB->SCR &= (uint32_t)~((uint32_t)SCB_SCR_SLEEPDEEP_Msk);
+ }
+ else if (PWR_STOPEntry == PWR_STOPEntry_WFE)
+ {
+ /* Request Wait For Event */
+ __WFE();
+ /* Reset SLEEPDEEP bit of Cortex System Control Register */
+ SCB->SCR &= (uint32_t)~((uint32_t)SCB_SCR_SLEEPDEEP_Msk);
+ }
+ else
+ {
+ /* Set SLEEP on exit bit of Cortex-M0 System Control Register */
+ SCB->SCR |= SCB_SCR_SLEEPONEXIT_Msk;
+ }
+}
+
+/**
+ * @brief Enters STANDBY mode.
+ * @note In Standby mode, all I/O pins are high impedance except for:
+ * - Reset pad (still available)
+ * - RTC_AF1 pin (PC13) if configured for Wakeup pin 2 (WKUP2), tamper,
+ * time-stamp, RTC Alarm out, or RTC clock calibration out.
+ * - WKUP pin 1 (PA0) if enabled.
+ * @note The Wakeup flag (WUF) need to be cleared at application level before to call this function
+ * @param None
+ * @retval None
+ */
+void PWR_EnterSTANDBYMode(void)
+{
+ /* Select STANDBY mode */
+ PWR->CR |= PWR_CR_PDDS;
+
+ /* Set SLEEPDEEP bit of Cortex-M0 System Control Register */
+ SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk;
+
+ /* Request Wait For Interrupt */
+ __WFI();
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup PWR_Group5 Flags management functions
+ * @brief Flags management functions
+ *
+@verbatim
+ ==============================================================================
+ ##### Flags management functions #####
+ ==============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Checks whether the specified PWR flag is set or not.
+ * @param PWR_FLAG: specifies the flag to check.
+ * This parameter can be one of the following values:
+ * @arg PWR_FLAG_WU: Wake Up flag. This flag indicates that a wakeup
+ * event was received from the WKUP pin or from the RTC alarm
+ * (Alarm A or Alarm B), RTC Tamper event or RTC TimeStamp event.
+ * @arg PWR_FLAG_SB: StandBy flag. This flag indicates that the
+ * system was resumed from StandBy mode.
+ * @arg PWR_FLAG_PVDO: PVD Output. This flag is valid only if PVD
+ * is enabled by the PWR_PVDCmd() function.
+ * @arg PWR_FLAG_VREFINTRDY: Internal Voltage Reference Ready flag.
+ * This flag indicates the state of the internal voltage
+ * reference, VREFINT.
+ * @retval The new state of PWR_FLAG (SET or RESET).
+ */
+FlagStatus PWR_GetFlagStatus(uint32_t PWR_FLAG)
+{
+ FlagStatus bitstatus = RESET;
+ /* Check the parameters */
+ assert_param(IS_PWR_GET_FLAG(PWR_FLAG));
+
+ if ((PWR->CSR & PWR_FLAG) != (uint32_t)RESET)
+ {
+ bitstatus = SET;
+ }
+ else
+ {
+ bitstatus = RESET;
+ }
+ /* Return the flag status */
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the PWR's pending flags.
+ * @param PWR_FLAG: specifies the flag to clear.
+ * This parameter can be one of the following values:
+ * @arg PWR_FLAG_WU: Wake Up flag
+ * @arg PWR_FLAG_SB: StandBy flag
+ * @retval None
+ */
+void PWR_ClearFlag(uint32_t PWR_FLAG)
+{
+ /* Check the parameters */
+ assert_param(IS_PWR_CLEAR_FLAG(PWR_FLAG));
+
+ PWR->CR |= PWR_FLAG << 2;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_rcc.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_rcc.c
new file mode 100644
index 00000000..f4f72c2a
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+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_rcc.c
@@ -0,0 +1,1781 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_rcc.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the Reset and clock control (RCC) peripheral:
+ * + Internal/external clocks, PLL, CSS and MCO configuration
+ * + System, AHB and APB busses clocks configuration
+ * + Peripheral clocks configuration
+ * + Interrupts and flags management
+ *
+ @verbatim
+
+ ===============================================================================
+ ##### RCC specific features #####
+ ===============================================================================
+ [..] After reset the device is running from HSI (8 MHz) with Flash 0 WS,
+ all peripherals are off except internal SRAM, Flash and SWD.
+ (#) There is no prescaler on High speed (AHB) and Low speed (APB) busses;
+ all peripherals mapped on these busses are running at HSI speed.
+ (#) The clock for all peripherals is switched off, except the SRAM and FLASH.
+ (#) All GPIOs are in input floating state, except the SWD pins which
+ are assigned to be used for debug purpose.
+ [..] Once the device started from reset, the user application has to:
+ (#) Configure the clock source to be used to drive the System clock
+ (if the application needs higher frequency/performance)
+ (#) Configure the System clock frequency and Flash settings
+ (#) Configure the AHB and APB busses prescalers
+ (#) Enable the clock for the peripheral(s) to be used
+ (#) Configure the clock source(s) for peripherals which clocks are not
+ derived from the System clock (ADC, CEC, I2C, USART, RTC and IWDG)
+
+ @endverbatim
+
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_rcc.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup RCC
+ * @brief RCC driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+
+/* ---------------------- RCC registers mask -------------------------------- */
+/* RCC Flag Mask */
+#define FLAG_MASK ((uint8_t)0x1F)
+
+/* CR register byte 2 (Bits[23:16]) base address */
+#define CR_BYTE2_ADDRESS ((uint32_t)0x40021002)
+
+/* CFGR register byte 3 (Bits[31:23]) base address */
+#define CFGR_BYTE3_ADDRESS ((uint32_t)0x40021007)
+
+/* CIR register byte 1 (Bits[15:8]) base address */
+#define CIR_BYTE1_ADDRESS ((uint32_t)0x40021009)
+
+/* CIR register byte 2 (Bits[23:16]) base address */
+#define CIR_BYTE2_ADDRESS ((uint32_t)0x4002100A)
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+static __I uint8_t APBAHBPrescTable[16] = {0, 0, 0, 0, 1, 2, 3, 4, 1, 2, 3, 4, 6, 7, 8, 9};
+
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup RCC_Private_Functions
+ * @{
+ */
+
+/** @defgroup RCC_Group1 Internal and external clocks, PLL, CSS and MCO configuration functions
+ * @brief Internal and external clocks, PLL, CSS and MCO configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Internal-external clocks, PLL, CSS and MCO configuration functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to configure the internal/external clocks,
+ PLL, CSS and MCO.
+ (#) HSI (high-speed internal), 8 MHz factory-trimmed RC used directly
+ or through the PLL as System clock source.
+ The HSI clock can be used also to clock the USART, I2C and CEC peripherals.
+ (#) HSI14 (high-speed internal for ADC), 14 MHz factory-trimmed RC used to clock
+ the ADC peripheral.
+ (#) LSI (low-speed internal), 40 KHz low consumption RC used as IWDG and/or RTC
+ clock source.
+ (#) HSE (high-speed external), 4 to 32 MHz crystal oscillator used directly or
+ through the PLL as System clock source. Can be used also as RTC clock source.
+ (#) LSE (low-speed external), 32 KHz oscillator used as RTC clock source.
+ LSE can be used also to clock the USART and CEC peripherals.
+ (#) PLL (clocked by HSI or HSE), for System clock.
+ (#) CSS (Clock security system), once enabled and if a HSE clock failure occurs
+ (HSE used directly or through PLL as System clock source), the System clock
+ is automatically switched to HSI and an interrupt is generated if enabled.
+ The interrupt is linked to the Cortex-M0 NMI (Non-Maskable Interrupt)
+ exception vector.
+ (#) MCO (microcontroller clock output), used to output SYSCLK, HSI, HSI14, LSI,
+ HSE, LSE or PLL (divided by 2) clock on PA8 pin.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Resets the RCC clock configuration to the default reset state.
+ * @note The default reset state of the clock configuration is given below:
+ * @note HSI ON and used as system clock source
+ * @note HSI14, HSE and PLL OFF
+ * @note AHB, APB prescaler set to 1.
+ * @note CSS and MCO OFF
+ * @note All interrupts disabled
+ * @note However, this function doesn't modify the configuration of the
+ * @note Peripheral clocks
+ * @note LSI, LSE and RTC clocks
+ * @param None
+ * @retval None
+ */
+void RCC_DeInit(void)
+{
+ /* Set HSION bit */
+ RCC->CR |= (uint32_t)0x00000001;
+
+#if defined (STM32F051)
+ /* Reset SW[1:0], HPRE[3:0], PPRE[2:0] and MCOSEL[2:0] bits */
+ RCC->CFGR &= (uint32_t)0xF8FFB80C;
+#else
+ /* Reset SW[1:0], HPRE[3:0], PPRE[2:0], ADCPRE, MCOSEL[2:0], MCOPRE[2:0] and PLLNODIV bits */
+ RCC->CFGR &= (uint32_t)0x08FFB80C;
+#endif /* STM32F051 */
+
+ /* Reset HSEON, CSSON and PLLON bits */
+ RCC->CR &= (uint32_t)0xFEF6FFFF;
+
+ /* Reset HSEBYP bit */
+ RCC->CR &= (uint32_t)0xFFFBFFFF;
+
+ /* Reset PLLSRC, PLLXTPRE and PLLMUL[3:0] bits */
+ RCC->CFGR &= (uint32_t)0xFFC0FFFF;
+
+ /* Reset PREDIV1[3:0] bits */
+ RCC->CFGR2 &= (uint32_t)0xFFFFFFF0;
+
+ /* Reset USARTSW[1:0], I2CSW, CECSW and ADCSW bits */
+ RCC->CFGR3 &= (uint32_t)0xFFF0FEAC;
+
+ /* Reset HSI14 bit */
+ RCC->CR2 &= (uint32_t)0xFFFFFFFE;
+
+ /* Disable all interrupts */
+ RCC->CIR = 0x00000000;
+}
+
+/**
+ * @brief Configures the External High Speed oscillator (HSE).
+ * @note After enabling the HSE (RCC_HSE_ON or RCC_HSE_Bypass), the application
+ * software should wait on HSERDY flag to be set indicating that HSE clock
+ * is stable and can be used to clock the PLL and/or system clock.
+ * @note HSE state can not be changed if it is used directly or through the
+ * PLL as system clock. In this case, you have to select another source
+ * of the system clock then change the HSE state (ex. disable it).
+ * @note The HSE is stopped by hardware when entering STOP and STANDBY modes.
+ * @note This function resets the CSSON bit, so if the Clock security system(CSS)
+ * was previously enabled you have to enable it again after calling this
+ * function.
+ * @param RCC_HSE: specifies the new state of the HSE.
+ * This parameter can be one of the following values:
+ * @arg RCC_HSE_OFF: turn OFF the HSE oscillator, HSERDY flag goes low after
+ * 6 HSE oscillator clock cycles.
+ * @arg RCC_HSE_ON: turn ON the HSE oscillator
+ * @arg RCC_HSE_Bypass: HSE oscillator bypassed with external clock
+ * @retval None
+ */
+void RCC_HSEConfig(uint8_t RCC_HSE)
+{
+ /* Check the parameters */
+ assert_param(IS_RCC_HSE(RCC_HSE));
+
+ /* Reset HSEON and HSEBYP bits before configuring the HSE ------------------*/
+ *(__IO uint8_t *) CR_BYTE2_ADDRESS = RCC_HSE_OFF;
+
+ /* Set the new HSE configuration -------------------------------------------*/
+ *(__IO uint8_t *) CR_BYTE2_ADDRESS = RCC_HSE;
+
+}
+
+/**
+ * @brief Waits for HSE start-up.
+ * @note This function waits on HSERDY flag to be set and return SUCCESS if
+ * this flag is set, otherwise returns ERROR if the timeout is reached
+ * and this flag is not set. The timeout value is defined by the constant
+ * HSE_STARTUP_TIMEOUT in stm32f0xx.h file. You can tailor it depending
+ * on the HSE crystal used in your application.
+ * @note The HSE is stopped by hardware when entering STOP and STANDBY modes.
+ * @param None
+ * @retval An ErrorStatus enumeration value:
+ * - SUCCESS: HSE oscillator is stable and ready to use
+ * - ERROR: HSE oscillator not yet ready
+ */
+ErrorStatus RCC_WaitForHSEStartUp(void)
+{
+ __IO uint32_t StartUpCounter = 0;
+ ErrorStatus status = ERROR;
+ FlagStatus HSEStatus = RESET;
+
+ /* Wait till HSE is ready and if timeout is reached exit */
+ do
+ {
+ HSEStatus = RCC_GetFlagStatus(RCC_FLAG_HSERDY);
+ StartUpCounter++;
+ } while((StartUpCounter != HSE_STARTUP_TIMEOUT) && (HSEStatus == RESET));
+
+ if (RCC_GetFlagStatus(RCC_FLAG_HSERDY) != RESET)
+ {
+ status = SUCCESS;
+ }
+ else
+ {
+ status = ERROR;
+ }
+ return (status);
+}
+
+/**
+ * @brief Adjusts the Internal High Speed oscillator (HSI) calibration value.
+ * @note The calibration is used to compensate for the variations in voltage
+ * and temperature that influence the frequency of the internal HSI RC.
+ * Refer to the Application Note AN4067 for more details on how to
+ * calibrate the HSI.
+ * @param HSICalibrationValue: specifies the HSI calibration trimming value.
+ * This parameter must be a number between 0 and 0x1F.
+ * @retval None
+ */
+void RCC_AdjustHSICalibrationValue(uint8_t HSICalibrationValue)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RCC_HSI_CALIBRATION_VALUE(HSICalibrationValue));
+
+ tmpreg = RCC->CR;
+
+ /* Clear HSITRIM[4:0] bits */
+ tmpreg &= ~RCC_CR_HSITRIM;
+
+ /* Set the HSITRIM[4:0] bits according to HSICalibrationValue value */
+ tmpreg |= (uint32_t)HSICalibrationValue << 3;
+
+ /* Store the new value */
+ RCC->CR = tmpreg;
+}
+
+/**
+ * @brief Enables or disables the Internal High Speed oscillator (HSI).
+ * @note After enabling the HSI, the application software should wait on
+ * HSIRDY flag to be set indicating that HSI clock is stable and can
+ * be used to clock the PLL and/or system clock.
+ * @note HSI can not be stopped if it is used directly or through the PLL
+ * as system clock. In this case, you have to select another source
+ * of the system clock then stop the HSI.
+ * @note The HSI is stopped by hardware when entering STOP and STANDBY modes.
+ * @param NewState: new state of the HSI.
+ * This parameter can be: ENABLE or DISABLE.
+ * @note When the HSI is stopped, HSIRDY flag goes low after 6 HSI oscillator
+ * clock cycles.
+ * @retval None
+ */
+void RCC_HSICmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ RCC->CR |= RCC_CR_HSION;
+ }
+ else
+ {
+ RCC->CR &= ~RCC_CR_HSION;
+ }
+}
+
+/**
+ * @brief Adjusts the Internal High Speed oscillator for ADC (HSI14)
+ * calibration value.
+ * @note The calibration is used to compensate for the variations in voltage
+ * and temperature that influence the frequency of the internal HSI RC.
+ * Refer to the Application Note AN4067 for more details on how to
+ * calibrate the HSI14.
+ * @param HSI14CalibrationValue: specifies the HSI14 calibration trimming value.
+ * This parameter must be a number between 0 and 0x1F.
+ * @retval None
+ */
+void RCC_AdjustHSI14CalibrationValue(uint8_t HSI14CalibrationValue)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RCC_HSI14_CALIBRATION_VALUE(HSI14CalibrationValue));
+
+ tmpreg = RCC->CR2;
+
+ /* Clear HSI14TRIM[4:0] bits */
+ tmpreg &= ~RCC_CR2_HSI14TRIM;
+
+ /* Set the HSITRIM14[4:0] bits according to HSI14CalibrationValue value */
+ tmpreg |= (uint32_t)HSI14CalibrationValue << 3;
+
+ /* Store the new value */
+ RCC->CR2 = tmpreg;
+}
+
+/**
+ * @brief Enables or disables the Internal High Speed oscillator for ADC (HSI14).
+ * @note After enabling the HSI14, the application software should wait on
+ * HSIRDY flag to be set indicating that HSI clock is stable and can
+ * be used to clock the ADC.
+ * @note The HSI14 is stopped by hardware when entering STOP and STANDBY modes.
+ * @param NewState: new state of the HSI14.
+ * This parameter can be: ENABLE or DISABLE.
+ * @note When the HSI14 is stopped, HSI14RDY flag goes low after 6 HSI14 oscillator
+ * clock cycles.
+ * @retval None
+ */
+void RCC_HSI14Cmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ RCC->CR2 |= RCC_CR2_HSI14ON;
+ }
+ else
+ {
+ RCC->CR2 &= ~RCC_CR2_HSI14ON;
+ }
+}
+
+/**
+ * @brief Enables or disables the Internal High Speed oscillator request from ADC.
+ * @param NewState: new state of the HSI14 ADC request.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RCC_HSI14ADCRequestCmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ RCC->CR2 &= ~RCC_CR2_HSI14DIS;
+ }
+ else
+ {
+ RCC->CR2 |= RCC_CR2_HSI14DIS;
+ }
+}
+
+/**
+ * @brief Configures the External Low Speed oscillator (LSE).
+ * @note As the LSE is in the Backup domain and write access is denied to this
+ * domain after reset, you have to enable write access using
+ * PWR_BackupAccessCmd(ENABLE) function before to configure the LSE
+ * (to be done once after reset).
+ * @note After enabling the LSE (RCC_LSE_ON or RCC_LSE_Bypass), the application
+ * software should wait on LSERDY flag to be set indicating that LSE clock
+ * is stable and can be used to clock the RTC.
+ * @param RCC_LSE: specifies the new state of the LSE.
+ * This parameter can be one of the following values:
+ * @arg RCC_LSE_OFF: turn OFF the LSE oscillator, LSERDY flag goes low after
+ * 6 LSE oscillator clock cycles.
+ * @arg RCC_LSE_ON: turn ON the LSE oscillator
+ * @arg RCC_LSE_Bypass: LSE oscillator bypassed with external clock
+ * @retval None
+ */
+void RCC_LSEConfig(uint32_t RCC_LSE)
+{
+ /* Check the parameters */
+ assert_param(IS_RCC_LSE(RCC_LSE));
+
+ /* Reset LSEON and LSEBYP bits before configuring the LSE ------------------*/
+ /* Reset LSEON bit */
+ RCC->BDCR &= ~(RCC_BDCR_LSEON);
+
+ /* Reset LSEBYP bit */
+ RCC->BDCR &= ~(RCC_BDCR_LSEBYP);
+
+ /* Configure LSE */
+ RCC->BDCR |= RCC_LSE;
+}
+
+/**
+ * @brief Configures the External Low Speed oscillator (LSE) drive capability.
+ * @param RCC_LSEDrive: specifies the new state of the LSE drive capability.
+ * This parameter can be one of the following values:
+ * @arg RCC_LSEDrive_Low: LSE oscillator low drive capability.
+ * @arg RCC_LSEDrive_MediumLow: LSE oscillator medium low drive capability.
+ * @arg RCC_LSEDrive_MediumHigh: LSE oscillator medium high drive capability.
+ * @arg RCC_LSEDrive_High: LSE oscillator high drive capability.
+ * @retval None
+ */
+void RCC_LSEDriveConfig(uint32_t RCC_LSEDrive)
+{
+ /* Check the parameters */
+ assert_param(IS_RCC_LSE_DRIVE(RCC_LSEDrive));
+
+ /* Clear LSEDRV[1:0] bits */
+ RCC->BDCR &= ~(RCC_BDCR_LSEDRV);
+
+ /* Set the LSE Drive */
+ RCC->BDCR |= RCC_LSEDrive;
+}
+
+/**
+ * @brief Enables or disables the Internal Low Speed oscillator (LSI).
+ * @note After enabling the LSI, the application software should wait on
+ * LSIRDY flag to be set indicating that LSI clock is stable and can
+ * be used to clock the IWDG and/or the RTC.
+ * @note LSI can not be disabled if the IWDG is running.
+ * @param NewState: new state of the LSI.
+ * This parameter can be: ENABLE or DISABLE.
+ * @note When the LSI is stopped, LSIRDY flag goes low after 6 LSI oscillator
+ * clock cycles.
+ * @retval None
+ */
+void RCC_LSICmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ RCC->CSR |= RCC_CSR_LSION;
+ }
+ else
+ {
+ RCC->CSR &= ~RCC_CSR_LSION;
+ }
+}
+
+/**
+ * @brief Configures the PLL clock source and multiplication factor.
+ * @note This function must be used only when the PLL is disabled.
+ *
+ * @param RCC_PLLSource: specifies the PLL entry clock source.
+ * This parameter can be one of the following values:
+ * @arg RCC_PLLSource_HSI_Div2: HSI oscillator clock selected as PLL clock source
+ * @arg RCC_PLLSource_PREDIV1: PREDIV1 clock selected as PLL clock entry
+ * @arg RCC_PLLSource_HSI48 HSI48 oscillator clock selected as PLL clock source, applicable only for STM32F072 devices
+ * @arg RCC_PLLSource_HSI: HSI clock selected as PLL clock entry, applicable only for STM32F072 devices
+ * @note The minimum input clock frequency for PLL is 2 MHz (when using HSE as
+ * PLL source).
+ *
+ * @param RCC_PLLMul: specifies the PLL multiplication factor, which drive the PLLVCO clock
+ * This parameter can be RCC_PLLMul_x where x:[2,16]
+ *
+ * @retval None
+ */
+void RCC_PLLConfig(uint32_t RCC_PLLSource, uint32_t RCC_PLLMul)
+{
+ /* Check the parameters */
+ assert_param(IS_RCC_PLL_SOURCE(RCC_PLLSource));
+ assert_param(IS_RCC_PLL_MUL(RCC_PLLMul));
+
+ /* Clear PLL Source [16] and Multiplier [21:18] bits */
+ RCC->CFGR &= ~(RCC_CFGR_PLLMULL | RCC_CFGR_PLLSRC);
+
+ /* Set the PLL Source and Multiplier */
+ RCC->CFGR |= (uint32_t)(RCC_PLLSource | RCC_PLLMul);
+}
+
+/**
+ * @brief Enables or disables the PLL.
+ * @note After enabling the PLL, the application software should wait on
+ * PLLRDY flag to be set indicating that PLL clock is stable and can
+ * be used as system clock source.
+ * @note The PLL can not be disabled if it is used as system clock source
+ * @note The PLL is disabled by hardware when entering STOP and STANDBY modes.
+ * @param NewState: new state of the PLL.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RCC_PLLCmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ RCC->CR |= RCC_CR_PLLON;
+ }
+ else
+ {
+ RCC->CR &= ~RCC_CR_PLLON;
+ }
+}
+
+/**
+ * @brief Enables or disables the Internal High Speed oscillator for USB (HSI48).
+ * This function is only applicable for STM32F072 devices.
+ * @note After enabling the HSI48, the application software should wait on
+ * HSI48RDY flag to be set indicating that HSI48 clock is stable and can
+ * be used to clock the USB.
+ * @note The HSI48 is stopped by hardware when entering STOP and STANDBY modes.
+ * @param NewState: new state of the HSI48.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RCC_HSI48Cmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ RCC->CR2 |= RCC_CR2_HSI48ON;
+ }
+ else
+ {
+ RCC->CR2 &= ~RCC_CR2_HSI48ON;
+ }
+}
+
+/**
+ * @brief Configures the PREDIV1 division factor.
+ * @note This function must be used only when the PLL is disabled.
+ * @param RCC_PREDIV1_Div: specifies the PREDIV1 clock division factor.
+ * This parameter can be RCC_PREDIV1_Divx where x:[1,16]
+ * @retval None
+ */
+void RCC_PREDIV1Config(uint32_t RCC_PREDIV1_Div)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RCC_PREDIV1(RCC_PREDIV1_Div));
+
+ tmpreg = RCC->CFGR2;
+ /* Clear PREDIV1[3:0] bits */
+ tmpreg &= ~(RCC_CFGR2_PREDIV1);
+ /* Set the PREDIV1 division factor */
+ tmpreg |= RCC_PREDIV1_Div;
+ /* Store the new value */
+ RCC->CFGR2 = tmpreg;
+}
+
+/**
+ * @brief Enables or disables the Clock Security System.
+ * @note If a failure is detected on the HSE oscillator clock, this oscillator
+ * is automatically disabled and an interrupt is generated to inform the
+ * software about the failure (Clock Security System Interrupt, CSSI),
+ * allowing the MCU to perform rescue operations. The CSSI is linked to
+ * the Cortex-M0 NMI (Non-Maskable Interrupt) exception vector.
+ * @param NewState: new state of the Clock Security System.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RCC_ClockSecuritySystemCmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ RCC->CR |= RCC_CR_CSSON;
+ }
+ else
+ {
+ RCC->CR &= ~RCC_CR_CSSON;
+ }
+}
+
+#ifdef STM32F051
+/**
+ * @brief Selects the clock source to output on MCO pin (PA8).
+ * @note PA8 should be configured in alternate function mode.
+ * @param RCC_MCOSource: specifies the clock source to output.
+ * This parameter can be one of the following values:
+ * @arg RCC_MCOSource_NoClock: No clock selected.
+ * @arg RCC_MCOSource_HSI14: HSI14 oscillator clock selected.
+ * @arg RCC_MCOSource_LSI: LSI oscillator clock selected.
+ * @arg RCC_MCOSource_LSE: LSE oscillator clock selected.
+ * @arg RCC_MCOSource_SYSCLK: System clock selected.
+ * @arg RCC_MCOSource_HSI: HSI oscillator clock selected.
+ * @arg RCC_MCOSource_HSE: HSE oscillator clock selected.
+ * @arg RCC_MCOSource_PLLCLK_Div2: PLL clock divided by 2 selected.
+ * @retval None
+ */
+void RCC_MCOConfig(uint8_t RCC_MCOSource)
+{
+ /* Check the parameters */
+ assert_param(IS_RCC_MCO_SOURCE(RCC_MCOSource));
+
+ /* Select MCO clock source and prescaler */
+ *(__IO uint8_t *) CFGR_BYTE3_ADDRESS = RCC_MCOSource;
+}
+#else
+
+/**
+ * @brief Selects the clock source to output on MCO pin (PA8) and the corresponding
+ * prescsaler.
+ * @note PA8 should be configured in alternate function mode.
+ * @param RCC_MCOSource: specifies the clock source to output.
+ * This parameter can be one of the following values:
+ * @arg RCC_MCOSource_NoClock: No clock selected.
+ * @arg RCC_MCOSource_HSI14: HSI14 oscillator clock selected.
+ * @arg RCC_MCOSource_LSI: LSI oscillator clock selected.
+ * @arg RCC_MCOSource_LSE: LSE oscillator clock selected.
+ * @arg RCC_MCOSource_SYSCLK: System clock selected.
+ * @arg RCC_MCOSource_HSI: HSI oscillator clock selected.
+ * @arg RCC_MCOSource_HSE: HSE oscillator clock selected.
+ * @arg RCC_MCOSource_PLLCLK_Div2: PLL clock divided by 2 selected.
+ * @arg RCC_MCOSource_PLLCLK: PLL clock selected.
+ * @arg RCC_MCOSource_HSI48: HSI48 clock selected.
+ * @param RCC_MCOPrescaler: specifies the prescaler on MCO pin.
+ * This parameter can be one of the following values:
+ * @arg RCC_MCOPrescaler_1: MCO clock is divided by 1.
+ * @arg RCC_MCOPrescaler_2: MCO clock is divided by 2.
+ * @arg RCC_MCOPrescaler_4: MCO clock is divided by 4.
+ * @arg RCC_MCOPrescaler_8: MCO clock is divided by 8.
+ * @arg RCC_MCOPrescaler_16: MCO clock is divided by 16.
+ * @arg RCC_MCOPrescaler_32: MCO clock is divided by 32.
+ * @arg RCC_MCOPrescaler_64: MCO clock is divided by 64.
+ * @arg RCC_MCOPrescaler_128: MCO clock is divided by 128.
+ * @retval None
+ */
+void RCC_MCOConfig(uint8_t RCC_MCOSource, uint32_t RCC_MCOPrescaler)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RCC_MCO_SOURCE(RCC_MCOSource));
+ assert_param(IS_RCC_MCO_PRESCALER(RCC_MCOPrescaler));
+
+ /* Get CFGR value */
+ tmpreg = RCC->CFGR;
+ /* Clear MCOPRE[2:0] bits */
+ tmpreg &= ~(RCC_CFGR_MCO_PRE | RCC_CFGR_MCO | RCC_CFGR_PLLNODIV);
+ /* Set the RCC_MCOSource and RCC_MCOPrescaler */
+ tmpreg |= (RCC_MCOPrescaler | ((uint32_t)RCC_MCOSource<<24));
+ /* Store the new value */
+ RCC->CFGR = tmpreg;
+}
+#endif /* STM32F072 */
+
+/**
+ * @}
+ */
+
+/** @defgroup RCC_Group2 System AHB and APB busses clocks configuration functions
+ * @brief System, AHB and APB busses clocks configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### System, AHB and APB busses clocks configuration functions #####
+ ===============================================================================
+
+ [..] This section provide functions allowing to configure the System, AHB and
+ APB busses clocks.
+ (#) Several clock sources can be used to drive the System clock (SYSCLK): HSI,
+ HSE and PLL.
+ The AHB clock (HCLK) is derived from System clock through configurable prescaler
+ and used to clock the CPU, memory and peripherals mapped on AHB bus (DMA and GPIO).
+ and APB (PCLK) clocks are derived from AHB clock through
+ configurable prescalers and used to clock the peripherals mapped on these busses.
+ You can use "RCC_GetClocksFreq()" function to retrieve the frequencies of these clocks.
+
+ -@- All the peripheral clocks are derived from the System clock (SYSCLK) except:
+ (+@) The ADC clock which is derived from HSI14 or APB (APB divided by a
+ programmable prescaler: 2 or 4).
+ (+@) The CEC clock which is derived from LSE or HSI divided by 244.
+ (+@) The I2C clock which is derived from HSI or system clock (SYSCLK).
+ (+@) The USART clock which is derived from HSI, system clock (SYSCLK), APB or LSE.
+ (+@) The RTC/LCD clock which is derived from the LSE, LSI or 2 MHz HSE_RTC (HSE
+ divided by a programmable prescaler).
+ The System clock (SYSCLK) frequency must be higher or equal to the RTC/LCD
+ clock frequency.
+ (+@) IWDG clock which is always the LSI clock.
+
+ (#) The maximum frequency of the SYSCLK, HCLK and PCLK is 48 MHz.
+ Depending on the maximum frequency, the FLASH wait states (WS) should be
+ adapted accordingly:
+ +--------------------------------------------- +
+ | Wait states | HCLK clock frequency (MHz) |
+ |---------------|------------------------------|
+ |0WS(1CPU cycle)| 0 < HCLK <= 24 |
+ |---------------|------------------------------|
+ |1WS(2CPU cycle)| 24 < HCLK <= 48 |
+ +----------------------------------------------+
+
+ (#) After reset, the System clock source is the HSI (8 MHz) with 0 WS and
+ prefetch is disabled.
+
+ [..] It is recommended to use the following software sequences to tune the number
+ of wait states needed to access the Flash memory with the CPU frequency (HCLK).
+ (+) Increasing the CPU frequency
+ (++) Program the Flash Prefetch buffer, using "FLASH_PrefetchBufferCmd(ENABLE)"
+ function
+ (++) Check that Flash Prefetch buffer activation is taken into account by
+ reading FLASH_ACR using the FLASH_GetPrefetchBufferStatus() function
+ (++) Program Flash WS to 1, using "FLASH_SetLatency(FLASH_Latency_1)" function
+ (++) Check that the new number of WS is taken into account by reading FLASH_ACR
+ (++) Modify the CPU clock source, using "RCC_SYSCLKConfig()" function
+ (++) If needed, modify the CPU clock prescaler by using "RCC_HCLKConfig()" function
+ (++) Check that the new CPU clock source is taken into account by reading
+ the clock source status, using "RCC_GetSYSCLKSource()" function
+ (+) Decreasing the CPU frequency
+ (++) Modify the CPU clock source, using "RCC_SYSCLKConfig()" function
+ (++) If needed, modify the CPU clock prescaler by using "RCC_HCLKConfig()" function
+ (++) Check that the new CPU clock source is taken into account by reading
+ the clock source status, using "RCC_GetSYSCLKSource()" function
+ (++) Program the new number of WS, using "FLASH_SetLatency()" function
+ (++) Check that the new number of WS is taken into account by reading FLASH_ACR
+ (++) Disable the Flash Prefetch buffer using "FLASH_PrefetchBufferCmd(DISABLE)"
+ function
+ (++) Check that Flash Prefetch buffer deactivation is taken into account by reading FLASH_ACR
+ using the FLASH_GetPrefetchBufferStatus() function.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Configures the system clock (SYSCLK).
+ * @note The HSI is used (enabled by hardware) as system clock source after
+ * startup from Reset, wake-up from STOP and STANDBY mode, or in case
+ * of failure of the HSE used directly or indirectly as system clock
+ * (if the Clock Security System CSS is enabled).
+ * @note A switch from one clock source to another occurs only if the target
+ * clock source is ready (clock stable after startup delay or PLL locked).
+ * If a clock source which is not yet ready is selected, the switch will
+ * occur when the clock source will be ready.
+ * You can use RCC_GetSYSCLKSource() function to know which clock is
+ * currently used as system clock source.
+ * @param RCC_SYSCLKSource: specifies the clock source used as system clock source
+ * This parameter can be one of the following values:
+ * @arg RCC_SYSCLKSource_HSI: HSI selected as system clock source
+ * @arg RCC_SYSCLKSource_HSE: HSE selected as system clock source
+ * @arg RCC_SYSCLKSource_PLLCLK: PLL selected as system clock source
+ * @arg RCC_SYSCLKSource_HSI48: HSI48 selected as system clock source, applicable only for STM32F072 devices
+ * @retval None
+ */
+void RCC_SYSCLKConfig(uint32_t RCC_SYSCLKSource)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RCC_SYSCLK_SOURCE(RCC_SYSCLKSource));
+
+ tmpreg = RCC->CFGR;
+
+ /* Clear SW[1:0] bits */
+ tmpreg &= ~RCC_CFGR_SW;
+
+ /* Set SW[1:0] bits according to RCC_SYSCLKSource value */
+ tmpreg |= RCC_SYSCLKSource;
+
+ /* Store the new value */
+ RCC->CFGR = tmpreg;
+}
+
+/**
+ * @brief Returns the clock source used as system clock.
+ * @param None
+ * @retval The clock source used as system clock. The returned value can be one
+ * of the following values:
+ * - 0x00: HSI used as system clock
+ * - 0x04: HSE used as system clock
+ * - 0x08: PLL used as system clock
+ * - 0x0C: HSI48 used as system clock, applicable only for STM32F072 devices
+ */
+uint8_t RCC_GetSYSCLKSource(void)
+{
+ return ((uint8_t)(RCC->CFGR & RCC_CFGR_SWS));
+}
+
+/**
+ * @brief Configures the AHB clock (HCLK).
+ * @param RCC_SYSCLK: defines the AHB clock divider. This clock is derived from
+ * the system clock (SYSCLK).
+ * This parameter can be one of the following values:
+ * @arg RCC_SYSCLK_Div1: AHB clock = SYSCLK
+ * @arg RCC_SYSCLK_Div2: AHB clock = SYSCLK/2
+ * @arg RCC_SYSCLK_Div4: AHB clock = SYSCLK/4
+ * @arg RCC_SYSCLK_Div8: AHB clock = SYSCLK/8
+ * @arg RCC_SYSCLK_Div16: AHB clock = SYSCLK/16
+ * @arg RCC_SYSCLK_Div64: AHB clock = SYSCLK/64
+ * @arg RCC_SYSCLK_Div128: AHB clock = SYSCLK/128
+ * @arg RCC_SYSCLK_Div256: AHB clock = SYSCLK/256
+ * @arg RCC_SYSCLK_Div512: AHB clock = SYSCLK/512
+ * @retval None
+ */
+void RCC_HCLKConfig(uint32_t RCC_SYSCLK)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RCC_HCLK(RCC_SYSCLK));
+
+ tmpreg = RCC->CFGR;
+
+ /* Clear HPRE[3:0] bits */
+ tmpreg &= ~RCC_CFGR_HPRE;
+
+ /* Set HPRE[3:0] bits according to RCC_SYSCLK value */
+ tmpreg |= RCC_SYSCLK;
+
+ /* Store the new value */
+ RCC->CFGR = tmpreg;
+}
+
+/**
+ * @brief Configures the APB clock (PCLK).
+ * @param RCC_HCLK: defines the APB clock divider. This clock is derived from
+ * the AHB clock (HCLK).
+ * This parameter can be one of the following values:
+ * @arg RCC_HCLK_Div1: APB clock = HCLK
+ * @arg RCC_HCLK_Div2: APB clock = HCLK/2
+ * @arg RCC_HCLK_Div4: APB clock = HCLK/4
+ * @arg RCC_HCLK_Div8: APB clock = HCLK/8
+ * @arg RCC_HCLK_Div16: APB clock = HCLK/16
+ * @retval None
+ */
+void RCC_PCLKConfig(uint32_t RCC_HCLK)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RCC_PCLK(RCC_HCLK));
+
+ tmpreg = RCC->CFGR;
+
+ /* Clear PPRE[2:0] bits */
+ tmpreg &= ~RCC_CFGR_PPRE;
+
+ /* Set PPRE[2:0] bits according to RCC_HCLK value */
+ tmpreg |= RCC_HCLK;
+
+ /* Store the new value */
+ RCC->CFGR = tmpreg;
+}
+
+/**
+ * @brief Configures the ADC clock (ADCCLK).
+ * @note This function is obsolete.
+ * For proper ADC clock selection, refer to ADC_ClockModeConfig() in the ADC driver
+ * @param RCC_ADCCLK: defines the ADC clock source. This clock is derived
+ * from the HSI14 or APB clock (PCLK).
+ * This parameter can be one of the following values:
+ * @arg RCC_ADCCLK_HSI14: ADC clock = HSI14 (14MHz)
+ * @arg RCC_ADCCLK_PCLK_Div2: ADC clock = PCLK/2
+ * @arg RCC_ADCCLK_PCLK_Div4: ADC clock = PCLK/4
+ * @retval None
+ */
+void RCC_ADCCLKConfig(uint32_t RCC_ADCCLK)
+{
+ /* Check the parameters */
+ assert_param(IS_RCC_ADCCLK(RCC_ADCCLK));
+
+ /* Clear ADCPRE bit */
+ RCC->CFGR &= ~RCC_CFGR_ADCPRE;
+ /* Set ADCPRE bits according to RCC_PCLK value */
+ RCC->CFGR |= RCC_ADCCLK & 0xFFFF;
+
+ /* Clear ADCSW bit */
+ RCC->CFGR3 &= ~RCC_CFGR3_ADCSW;
+ /* Set ADCSW bits according to RCC_ADCCLK value */
+ RCC->CFGR3 |= RCC_ADCCLK >> 16;
+}
+
+/**
+ * @brief Configures the CEC clock (CECCLK).
+ * @param RCC_CECCLK: defines the CEC clock source. This clock is derived
+ * from the HSI or LSE clock.
+ * This parameter can be one of the following values:
+ * @arg RCC_CECCLK_HSI_Div244: CEC clock = HSI/244 (32768Hz)
+ * @arg RCC_CECCLK_LSE: CEC clock = LSE
+ * @retval None
+ */
+void RCC_CECCLKConfig(uint32_t RCC_CECCLK)
+{
+ /* Check the parameters */
+ assert_param(IS_RCC_CECCLK(RCC_CECCLK));
+
+ /* Clear CECSW bit */
+ RCC->CFGR3 &= ~RCC_CFGR3_CECSW;
+ /* Set CECSW bits according to RCC_CECCLK value */
+ RCC->CFGR3 |= RCC_CECCLK;
+}
+
+/**
+ * @brief Configures the I2C1 clock (I2C1CLK).
+ * @param RCC_I2CCLK: defines the I2C1 clock source. This clock is derived
+ * from the HSI or System clock.
+ * This parameter can be one of the following values:
+ * @arg RCC_I2C1CLK_HSI: I2C1 clock = HSI
+ * @arg RCC_I2C1CLK_SYSCLK: I2C1 clock = System Clock
+ * @retval None
+ */
+void RCC_I2CCLKConfig(uint32_t RCC_I2CCLK)
+{
+ /* Check the parameters */
+ assert_param(IS_RCC_I2CCLK(RCC_I2CCLK));
+
+ /* Clear I2CSW bit */
+ RCC->CFGR3 &= ~RCC_CFGR3_I2C1SW;
+ /* Set I2CSW bits according to RCC_I2CCLK value */
+ RCC->CFGR3 |= RCC_I2CCLK;
+}
+
+/**
+ * @brief Configures the USART1 clock (USART1CLK).
+ * @param RCC_USARTCLK: defines the USART clock source. This clock is derived
+ * from the HSI or System clock.
+ * This parameter can be one of the following values:
+ * @arg RCC_USART1CLK_PCLK: USART1 clock = APB Clock (PCLK)
+ * @arg RCC_USART1CLK_SYSCLK: USART1 clock = System Clock
+ * @arg RCC_USART1CLK_LSE: USART1 clock = LSE Clock
+ * @arg RCC_USART1CLK_HSI: USART1 clock = HSI Clock
+ * @arg RCC_USART2CLK_PCLK: USART2 clock = APB Clock (PCLK), applicable only for STM32F072 and STM32F091 devices
+ * @arg RCC_USART2CLK_SYSCLK: USART2 clock = System Clock, applicable only for STM32F072 and STM32F091 devices
+ * @arg RCC_USART2CLK_LSE: USART2 clock = LSE Clock, applicable only for STM32F072 and STM32F091 devices
+ * @arg RCC_USART2CLK_HSI: USART2 clock = HSI Clock, applicable only for STM32F072 and STM32F091 devices
+ * @arg RCC_USART3CLK_PCLK: USART3 clock = APB Clock (PCLK), applicable only for STM32F091 devices
+ * @arg RCC_USART3CLK_SYSCLK: USART3 clock = System Clock, applicable only for STM32F091 devices
+ * @arg RCC_USART3CLK_LSE: USART3 clock = LSE Clock, applicable only for STM32F091 devices
+ * @arg RCC_USART3CLK_HSI: USART3 clock = HSI Clock, applicable only for STM32F091 devices
+ * @retval None
+ */
+void RCC_USARTCLKConfig(uint32_t RCC_USARTCLK)
+{
+ uint32_t tmp = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RCC_USARTCLK(RCC_USARTCLK));
+
+ /* Get USART index */
+ tmp = (RCC_USARTCLK >> 28);
+
+ /* Clear USARTSW[1:0] bit */
+ if (tmp == (uint32_t)0x00000001)
+ {
+ /* Clear USART1SW[1:0] bit */
+ RCC->CFGR3 &= ~RCC_CFGR3_USART1SW;
+ }
+ else if (tmp == (uint32_t)0x00000002)
+ {
+ /* Clear USART2SW[1:0] bit */
+ RCC->CFGR3 &= ~RCC_CFGR3_USART2SW;
+ }
+ else
+ {
+ /* Clear USART3SW[1:0] bit */
+ RCC->CFGR3 &= ~RCC_CFGR3_USART3SW;
+ }
+
+ /* Set USARTxSW bits according to RCC_USARTCLK value */
+ RCC->CFGR3 |= RCC_USARTCLK;
+}
+
+/**
+ * @brief Configures the USB clock (USBCLK).
+ * This function is only applicable for STM32F072 devices.
+ * @param RCC_USBCLK: defines the USB clock source. This clock is derived
+ * from the HSI48 or system clock.
+ * This parameter can be one of the following values:
+ * @arg RCC_USBCLK_HSI48: USB clock = HSI48
+ * @arg RCC_USBCLK_PLLCLK: USB clock = PLL clock
+ * @retval None
+ */
+void RCC_USBCLKConfig(uint32_t RCC_USBCLK)
+{
+ /* Check the parameters */
+ assert_param(IS_RCC_USBCLK(RCC_USBCLK));
+
+ /* Clear USBSW bit */
+ RCC->CFGR3 &= ~RCC_CFGR3_USBSW;
+ /* Set USBSW bits according to RCC_USBCLK value */
+ RCC->CFGR3 |= RCC_USBCLK;
+}
+
+/**
+ * @brief Returns the frequencies of the System, AHB and APB busses clocks.
+ * @note The frequency returned by this function is not the real frequency
+ * in the chip. It is calculated based on the predefined constant and
+ * the source selected by RCC_SYSCLKConfig():
+ *
+ * @note If SYSCLK source is HSI, function returns constant HSI_VALUE(*)
+ *
+ * @note If SYSCLK source is HSE, function returns constant HSE_VALUE(**)
+ *
+ * @note If SYSCLK source is PLL, function returns constant HSE_VALUE(**)
+ * or HSI_VALUE(*) multiplied by the PLL factors.
+ *
+ * @note If SYSCLK source is HSI48, function returns constant HSI48_VALUE(***)
+ *
+ * @note (*) HSI_VALUE is a constant defined in stm32f0xx.h file (default value
+ * 8 MHz) but the real value may vary depending on the variations
+ * in voltage and temperature, refer to RCC_AdjustHSICalibrationValue().
+ *
+ * @note (**) HSE_VALUE is a constant defined in stm32f0xx.h file (default value
+ * 8 MHz), user has to ensure that HSE_VALUE is same as the real
+ * frequency of the crystal used. Otherwise, this function may
+ * return wrong result.
+ *
+ * @note (***) HSI48_VALUE is a constant defined in stm32f0xx.h file (default value
+ * 48 MHz) but the real value may vary depending on the variations
+ * in voltage and temperature.
+ *
+ * @note The result of this function could be not correct when using fractional
+ * value for HSE crystal.
+ *
+ * @param RCC_Clocks: pointer to a RCC_ClocksTypeDef structure which will hold
+ * the clocks frequencies.
+ *
+ * @note This function can be used by the user application to compute the
+ * baudrate for the communication peripherals or configure other parameters.
+ * @note Each time SYSCLK, HCLK and/or PCLK clock changes, this function
+ * must be called to update the structure's field. Otherwise, any
+ * configuration based on this function will be incorrect.
+ *
+ * @retval None
+ */
+void RCC_GetClocksFreq(RCC_ClocksTypeDef* RCC_Clocks)
+{
+ uint32_t tmp = 0, pllmull = 0, pllsource = 0, prediv1factor = 0, presc = 0, pllclk = 0;
+
+ /* Get SYSCLK source -------------------------------------------------------*/
+ tmp = RCC->CFGR & RCC_CFGR_SWS;
+
+ switch (tmp)
+ {
+ case 0x00: /* HSI used as system clock */
+ RCC_Clocks->SYSCLK_Frequency = HSI_VALUE;
+ break;
+ case 0x04: /* HSE used as system clock */
+ RCC_Clocks->SYSCLK_Frequency = HSE_VALUE;
+ break;
+ case 0x08: /* PLL used as system clock */
+ /* Get PLL clock source and multiplication factor ----------------------*/
+ pllmull = RCC->CFGR & RCC_CFGR_PLLMULL;
+ pllsource = RCC->CFGR & RCC_CFGR_PLLSRC;
+ pllmull = ( pllmull >> 18) + 2;
+
+ if (pllsource == 0x00)
+ {
+ /* HSI oscillator clock divided by 2 selected as PLL clock entry */
+ pllclk = (HSI_VALUE >> 1) * pllmull;
+ }
+ else
+ {
+ prediv1factor = (RCC->CFGR2 & RCC_CFGR2_PREDIV1) + 1;
+ /* HSE oscillator clock selected as PREDIV1 clock entry */
+ pllclk = (HSE_VALUE / prediv1factor) * pllmull;
+ }
+ RCC_Clocks->SYSCLK_Frequency = pllclk;
+ break;
+ case 0x0C: /* HSI48 used as system clock */
+ RCC_Clocks->SYSCLK_Frequency = HSI48_VALUE;
+ break;
+ default: /* HSI used as system clock */
+ RCC_Clocks->SYSCLK_Frequency = HSI_VALUE;
+ break;
+ }
+ /* Compute HCLK, PCLK clocks frequencies -----------------------------------*/
+ /* Get HCLK prescaler */
+ tmp = RCC->CFGR & RCC_CFGR_HPRE;
+ tmp = tmp >> 4;
+ presc = APBAHBPrescTable[tmp];
+ /* HCLK clock frequency */
+ RCC_Clocks->HCLK_Frequency = RCC_Clocks->SYSCLK_Frequency >> presc;
+
+ /* Get PCLK prescaler */
+ tmp = RCC->CFGR & RCC_CFGR_PPRE;
+ tmp = tmp >> 8;
+ presc = APBAHBPrescTable[tmp];
+ /* PCLK clock frequency */
+ RCC_Clocks->PCLK_Frequency = RCC_Clocks->HCLK_Frequency >> presc;
+
+ /* ADCCLK clock frequency */
+ if((RCC->CFGR3 & RCC_CFGR3_ADCSW) != RCC_CFGR3_ADCSW)
+ {
+ /* ADC Clock is HSI14 Osc. */
+ RCC_Clocks->ADCCLK_Frequency = HSI14_VALUE;
+ }
+ else
+ {
+ if((RCC->CFGR & RCC_CFGR_ADCPRE) != RCC_CFGR_ADCPRE)
+ {
+ /* ADC Clock is derived from PCLK/2 */
+ RCC_Clocks->ADCCLK_Frequency = RCC_Clocks->PCLK_Frequency >> 1;
+ }
+ else
+ {
+ /* ADC Clock is derived from PCLK/4 */
+ RCC_Clocks->ADCCLK_Frequency = RCC_Clocks->PCLK_Frequency >> 2;
+ }
+
+ }
+
+ /* CECCLK clock frequency */
+ if((RCC->CFGR3 & RCC_CFGR3_CECSW) != RCC_CFGR3_CECSW)
+ {
+ /* CEC Clock is HSI/244 */
+ RCC_Clocks->CECCLK_Frequency = HSI_VALUE / 244;
+ }
+ else
+ {
+ /* CECC Clock is LSE Osc. */
+ RCC_Clocks->CECCLK_Frequency = LSE_VALUE;
+ }
+
+ /* I2C1CLK clock frequency */
+ if((RCC->CFGR3 & RCC_CFGR3_I2C1SW) != RCC_CFGR3_I2C1SW)
+ {
+ /* I2C1 Clock is HSI Osc. */
+ RCC_Clocks->I2C1CLK_Frequency = HSI_VALUE;
+ }
+ else
+ {
+ /* I2C1 Clock is System Clock */
+ RCC_Clocks->I2C1CLK_Frequency = RCC_Clocks->SYSCLK_Frequency;
+ }
+
+ /* USART1CLK clock frequency */
+ if((RCC->CFGR3 & RCC_CFGR3_USART1SW) == 0x0)
+ {
+ /* USART1 Clock is PCLK */
+ RCC_Clocks->USART1CLK_Frequency = RCC_Clocks->PCLK_Frequency;
+ }
+ else if((RCC->CFGR3 & RCC_CFGR3_USART1SW) == RCC_CFGR3_USART1SW_0)
+ {
+ /* USART1 Clock is System Clock */
+ RCC_Clocks->USART1CLK_Frequency = RCC_Clocks->SYSCLK_Frequency;
+ }
+ else if((RCC->CFGR3 & RCC_CFGR3_USART1SW) == RCC_CFGR3_USART1SW_1)
+ {
+ /* USART1 Clock is LSE Osc. */
+ RCC_Clocks->USART1CLK_Frequency = LSE_VALUE;
+ }
+ else if((RCC->CFGR3 & RCC_CFGR3_USART1SW) == RCC_CFGR3_USART1SW)
+ {
+ /* USART1 Clock is HSI Osc. */
+ RCC_Clocks->USART1CLK_Frequency = HSI_VALUE;
+ }
+
+ /* USART2CLK clock frequency */
+ if((RCC->CFGR3 & RCC_CFGR3_USART2SW) == 0x0)
+ {
+ /* USART Clock is PCLK */
+ RCC_Clocks->USART2CLK_Frequency = RCC_Clocks->PCLK_Frequency;
+ }
+ else if((RCC->CFGR3 & RCC_CFGR3_USART2SW) == RCC_CFGR3_USART2SW_0)
+ {
+ /* USART Clock is System Clock */
+ RCC_Clocks->USART2CLK_Frequency = RCC_Clocks->SYSCLK_Frequency;
+ }
+ else if((RCC->CFGR3 & RCC_CFGR3_USART2SW) == RCC_CFGR3_USART2SW_1)
+ {
+ /* USART Clock is LSE Osc. */
+ RCC_Clocks->USART2CLK_Frequency = LSE_VALUE;
+ }
+ else if((RCC->CFGR3 & RCC_CFGR3_USART2SW) == RCC_CFGR3_USART2SW)
+ {
+ /* USART Clock is HSI Osc. */
+ RCC_Clocks->USART2CLK_Frequency = HSI_VALUE;
+ }
+
+ /* USART3CLK clock frequency */
+ if((RCC->CFGR3 & RCC_CFGR3_USART3SW) == 0x0)
+ {
+ /* USART Clock is PCLK */
+ RCC_Clocks->USART3CLK_Frequency = RCC_Clocks->PCLK_Frequency;
+ }
+ else if((RCC->CFGR3 & RCC_CFGR3_USART3SW) == RCC_CFGR3_USART3SW_0)
+ {
+ /* USART Clock is System Clock */
+ RCC_Clocks->USART3CLK_Frequency = RCC_Clocks->SYSCLK_Frequency;
+ }
+ else if((RCC->CFGR3 & RCC_CFGR3_USART3SW) == RCC_CFGR3_USART3SW_1)
+ {
+ /* USART Clock is LSE Osc. */
+ RCC_Clocks->USART3CLK_Frequency = LSE_VALUE;
+ }
+ else if((RCC->CFGR3 & RCC_CFGR3_USART3SW) == RCC_CFGR3_USART3SW)
+ {
+ /* USART Clock is HSI Osc. */
+ RCC_Clocks->USART3CLK_Frequency = HSI_VALUE;
+ }
+
+ /* USBCLK clock frequency */
+ if((RCC->CFGR3 & RCC_CFGR3_USBSW) != RCC_CFGR3_USBSW)
+ {
+ /* USB Clock is HSI48 */
+ RCC_Clocks->USBCLK_Frequency = HSI48_VALUE;
+ }
+ else
+ {
+ /* USB Clock is PLL clock */
+ RCC_Clocks->USBCLK_Frequency = pllclk;
+ }
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup RCC_Group3 Peripheral clocks configuration functions
+ * @brief Peripheral clocks configuration functions
+ *
+@verbatim
+ ===============================================================================
+ #####Peripheral clocks configuration functions #####
+ ===============================================================================
+
+ [..] This section provide functions allowing to configure the Peripheral clocks.
+ (#) The RTC clock which is derived from the LSE, LSI or HSE_Div32 (HSE
+ divided by 32).
+ (#) After restart from Reset or wakeup from STANDBY, all peripherals are off
+ except internal SRAM, Flash and SWD. Before to start using a peripheral you
+ have to enable its interface clock. You can do this using RCC_AHBPeriphClockCmd(),
+ RCC_APB2PeriphClockCmd() and RCC_APB1PeriphClockCmd() functions.
+ (#) To reset the peripherals configuration (to the default state after device reset)
+ you can use RCC_AHBPeriphResetCmd(), RCC_APB2PeriphResetCmd() and
+ RCC_APB1PeriphResetCmd() functions.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Configures the RTC clock (RTCCLK).
+ * @note As the RTC clock configuration bits are in the Backup domain and write
+ * access is denied to this domain after reset, you have to enable write
+ * access using PWR_BackupAccessCmd(ENABLE) function before to configure
+ * the RTC clock source (to be done once after reset).
+ * @note Once the RTC clock is configured it can't be changed unless the RTC
+ * is reset using RCC_BackupResetCmd function, or by a Power On Reset (POR)
+ *
+ * @param RCC_RTCCLKSource: specifies the RTC clock source.
+ * This parameter can be one of the following values:
+ * @arg RCC_RTCCLKSource_LSE: LSE selected as RTC clock
+ * @arg RCC_RTCCLKSource_LSI: LSI selected as RTC clock
+ * @arg RCC_RTCCLKSource_HSE_Div32: HSE divided by 32 selected as RTC clock
+ *
+ * @note If the LSE or LSI is used as RTC clock source, the RTC continues to
+ * work in STOP and STANDBY modes, and can be used as wakeup source.
+ * However, when the HSE clock is used as RTC clock source, the RTC
+ * cannot be used in STOP and STANDBY modes.
+ *
+ * @note The maximum input clock frequency for RTC is 2MHz (when using HSE as
+ * RTC clock source).
+ *
+ * @retval None
+ */
+void RCC_RTCCLKConfig(uint32_t RCC_RTCCLKSource)
+{
+ /* Check the parameters */
+ assert_param(IS_RCC_RTCCLK_SOURCE(RCC_RTCCLKSource));
+
+ /* Select the RTC clock source */
+ RCC->BDCR |= RCC_RTCCLKSource;
+}
+
+/**
+ * @brief Enables or disables the RTC clock.
+ * @note This function must be used only after the RTC clock source was selected
+ * using the RCC_RTCCLKConfig function.
+ * @param NewState: new state of the RTC clock.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RCC_RTCCLKCmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ RCC->BDCR |= RCC_BDCR_RTCEN;
+ }
+ else
+ {
+ RCC->BDCR &= ~RCC_BDCR_RTCEN;
+ }
+}
+
+/**
+ * @brief Forces or releases the Backup domain reset.
+ * @note This function resets the RTC peripheral (including the backup registers)
+ * and the RTC clock source selection in RCC_BDCR register.
+ * @param NewState: new state of the Backup domain reset.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RCC_BackupResetCmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ RCC->BDCR |= RCC_BDCR_BDRST;
+ }
+ else
+ {
+ RCC->BDCR &= ~RCC_BDCR_BDRST;
+ }
+}
+
+/**
+ * @brief Enables or disables the AHB peripheral clock.
+ * @note After reset, the peripheral clock (used for registers read/write access)
+ * is disabled and the application software has to enable this clock before
+ * using it.
+ * @param RCC_AHBPeriph: specifies the AHB peripheral to gates its clock.
+ * This parameter can be any combination of the following values:
+ * @arg RCC_AHBPeriph_GPIOA: GPIOA clock
+ * @arg RCC_AHBPeriph_GPIOB: GPIOB clock
+ * @arg RCC_AHBPeriph_GPIOC: GPIOC clock
+ * @arg RCC_AHBPeriph_GPIOD: GPIOD clock
+ * @arg RCC_AHBPeriph_GPIOE: GPIOE clock, applicable only for STM32F072 devices
+ * @arg RCC_AHBPeriph_GPIOF: GPIOF clock
+ * @arg RCC_AHBPeriph_TS: TS clock
+ * @arg RCC_AHBPeriph_CRC: CRC clock
+ * @arg RCC_AHBPeriph_FLITF: (has effect only when the Flash memory is in power down mode)
+ * @arg RCC_AHBPeriph_SRAM: SRAM clock
+ * @arg RCC_AHBPeriph_DMA1: DMA1 clock
+ * @arg RCC_AHBPeriph_DMA2: DMA2 clock
+ * @param NewState: new state of the specified peripheral clock.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RCC_AHBPeriphClockCmd(uint32_t RCC_AHBPeriph, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_RCC_AHB_PERIPH(RCC_AHBPeriph));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ RCC->AHBENR |= RCC_AHBPeriph;
+ }
+ else
+ {
+ RCC->AHBENR &= ~RCC_AHBPeriph;
+ }
+}
+
+/**
+ * @brief Enables or disables the High Speed APB (APB2) peripheral clock.
+ * @note After reset, the peripheral clock (used for registers read/write access)
+ * is disabled and the application software has to enable this clock before
+ * using it.
+ * @param RCC_APB2Periph: specifies the APB2 peripheral to gates its clock.
+ * This parameter can be any combination of the following values:
+ * @arg RCC_APB2Periph_SYSCFG: SYSCFG clock
+ * @arg RCC_APB2Periph_USART6: USART6 clock
+ * @arg RCC_APB2Periph_USART7: USART7 clock
+ * @arg RCC_APB2Periph_USART8: USART8 clock
+ * @arg RCC_APB2Periph_ADC1: ADC1 clock
+ * @arg RCC_APB2Periph_TIM1: TIM1 clock
+ * @arg RCC_APB2Periph_SPI1: SPI1 clock
+ * @arg RCC_APB2Periph_USART1: USART1 clock
+ * @arg RCC_APB2Periph_TIM15: TIM15 clock
+ * @arg RCC_APB2Periph_TIM16: TIM16 clock
+ * @arg RCC_APB2Periph_TIM17: TIM17 clock
+ * @arg RCC_APB2Periph_DBGMCU: DBGMCU clock
+ * @param NewState: new state of the specified peripheral clock.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RCC_APB2PeriphClockCmd(uint32_t RCC_APB2Periph, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_RCC_APB2_PERIPH(RCC_APB2Periph));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ RCC->APB2ENR |= RCC_APB2Periph;
+ }
+ else
+ {
+ RCC->APB2ENR &= ~RCC_APB2Periph;
+ }
+}
+
+/**
+ * @brief Enables or disables the Low Speed APB (APB1) peripheral clock.
+ * @note After reset, the peripheral clock (used for registers read/write access)
+ * is disabled and the application software has to enable this clock before
+ * using it.
+ * @param RCC_APB1Periph: specifies the APB1 peripheral to gates its clock.
+ * This parameter can be any combination of the following values:
+ * @arg RCC_APB1Periph_TIM2: TIM2 clock, applicable only for STM32F051 and STM32F072 devices
+ * @arg RCC_APB1Periph_TIM3: TIM3 clock
+ * @arg RCC_APB1Periph_TIM6: TIM6 clock
+ * @arg RCC_APB1Periph_TIM7: TIM7 clock, applicable only for STM32F072 devices
+ * @arg RCC_APB1Periph_TIM14: TIM14 clock
+ * @arg RCC_APB1Periph_WWDG: WWDG clock
+ * @arg RCC_APB1Periph_SPI2: SPI2 clock
+ * @arg RCC_APB1Periph_USART2: USART2 clock
+ * @arg RCC_APB1Periph_USART3: USART3 clock, applicable only for STM32F072 and STM32F091 devices
+ * @arg RCC_APB1Periph_USART4: USART4 clock, applicable only for STM32F072 and STM32F091 devices
+ * @arg RCC_APB1Periph_USART5: USART5 clock, applicable only for STM32F091 devices
+ * @arg RCC_APB1Periph_I2C1: I2C1 clock
+ * @arg RCC_APB1Periph_I2C2: I2C2 clock
+ * @arg RCC_APB1Periph_USB: USB clock, applicable only for STM32F042 and STM32F072 devices
+ * @arg RCC_APB1Periph_CAN: CAN clock, applicable only for STM32F042 and STM32F072 devices
+ * @arg RCC_APB1Periph_CRS: CRS clock , applicable only for STM32F042 and STM32F072 devices
+ * @arg RCC_APB1Periph_PWR: PWR clock
+ * @arg RCC_APB1Periph_DAC: DAC clock, applicable only for STM32F051 and STM32F072 devices
+ * @arg RCC_APB1Periph_CEC: CEC clock, applicable only for STM32F051, STM32F042 and STM32F072 devices
+ * @param NewState: new state of the specified peripheral clock.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RCC_APB1PeriphClockCmd(uint32_t RCC_APB1Periph, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_RCC_APB1_PERIPH(RCC_APB1Periph));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ RCC->APB1ENR |= RCC_APB1Periph;
+ }
+ else
+ {
+ RCC->APB1ENR &= ~RCC_APB1Periph;
+ }
+}
+
+/**
+ * @brief Forces or releases AHB peripheral reset.
+ * @param RCC_AHBPeriph: specifies the AHB peripheral to reset.
+ * This parameter can be any combination of the following values:
+ * @arg RCC_AHBPeriph_GPIOA: GPIOA clock
+ * @arg RCC_AHBPeriph_GPIOB: GPIOB clock
+ * @arg RCC_AHBPeriph_GPIOC: GPIOC clock
+ * @arg RCC_AHBPeriph_GPIOD: GPIOD clock
+ * @arg RCC_AHBPeriph_GPIOE: GPIOE clock, applicable only for STM32F072 devices
+ * @arg RCC_AHBPeriph_GPIOF: GPIOF clock
+ * @arg RCC_AHBPeriph_TS: TS clock
+ * @param NewState: new state of the specified peripheral reset.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RCC_AHBPeriphResetCmd(uint32_t RCC_AHBPeriph, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_RCC_AHB_RST_PERIPH(RCC_AHBPeriph));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ RCC->AHBRSTR |= RCC_AHBPeriph;
+ }
+ else
+ {
+ RCC->AHBRSTR &= ~RCC_AHBPeriph;
+ }
+}
+
+/**
+ * @brief Forces or releases High Speed APB (APB2) peripheral reset.
+ * @param RCC_APB2Periph: specifies the APB2 peripheral to reset.
+ * This parameter can be any combination of the following values:
+ * @arg RCC_APB2Periph_SYSCFG: SYSCFG clock
+ * @arg RCC_APB2Periph_USART6: USART6 clock
+ * @arg RCC_APB2Periph_USART7: USART7 clock
+ * @arg RCC_APB2Periph_USART8: USART8 clock
+ * @arg RCC_APB2Periph_ADC1: ADC1 clock
+ * @arg RCC_APB2Periph_TIM1: TIM1 clock
+ * @arg RCC_APB2Periph_SPI1: SPI1 clock
+ * @arg RCC_APB2Periph_USART1: USART1 clock
+ * @arg RCC_APB2Periph_TIM15: TIM15 clock
+ * @arg RCC_APB2Periph_TIM16: TIM16 clock
+ * @arg RCC_APB2Periph_TIM17: TIM17 clock
+ * @arg RCC_APB2Periph_DBGMCU: DBGMCU clock
+ * @param NewState: new state of the specified peripheral reset.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RCC_APB2PeriphResetCmd(uint32_t RCC_APB2Periph, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_RCC_APB2_PERIPH(RCC_APB2Periph));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ RCC->APB2RSTR |= RCC_APB2Periph;
+ }
+ else
+ {
+ RCC->APB2RSTR &= ~RCC_APB2Periph;
+ }
+}
+
+/**
+ * @brief Forces or releases Low Speed APB (APB1) peripheral reset.
+ * @param RCC_APB1Periph: specifies the APB1 peripheral to reset.
+ * This parameter can be any combination of the following values:
+ * @arg RCC_APB1Periph_TIM2: TIM2 clock, applicable only for STM32F051 and STM32F072 devices
+ * @arg RCC_APB1Periph_TIM3: TIM3 clock
+ * @arg RCC_APB1Periph_TIM6: TIM6 clock
+ * @arg RCC_APB1Periph_TIM7: TIM7 clock, applicable only for STM32F072 devices
+ * @arg RCC_APB1Periph_TIM14: TIM14 clock
+ * @arg RCC_APB1Periph_WWDG: WWDG clock
+ * @arg RCC_APB1Periph_SPI2: SPI2 clock
+ * @arg RCC_APB1Periph_USART2: USART2 clock
+ * @arg RCC_APB1Periph_USART3: USART3 clock, applicable only for STM32F072 and STM32F091 devices
+ * @arg RCC_APB1Periph_USART4: USART4 clock, applicable only for STM32F072 and STM32F091 devices
+ * @arg RCC_APB1Periph_USART5: USART5 clock, applicable only for STM32F091 devices
+ * @arg RCC_APB1Periph_I2C1: I2C1 clock
+ * @arg RCC_APB1Periph_I2C2: I2C2 clock
+ * @arg RCC_APB1Periph_USB: USB clock, applicable only for STM32F042 and STM32F072 devices
+ * @arg RCC_APB1Periph_CAN: CAN clock, applicable only for STM32F042 and STM32F072 devices
+ * @arg RCC_APB1Periph_CRS: CRS clock , applicable only for STM32F042 and STM32F072 devices
+ * @arg RCC_APB1Periph_PWR: PWR clock
+ * @arg RCC_APB1Periph_DAC: DAC clock, applicable only for STM32F051 and STM32F072 devices
+ * @arg RCC_APB1Periph_CEC: CEC clock, applicable only for STM32F051, STM32F042 and STM32F072 devices
+ * @param NewState: new state of the specified peripheral clock.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RCC_APB1PeriphResetCmd(uint32_t RCC_APB1Periph, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_RCC_APB1_PERIPH(RCC_APB1Periph));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ RCC->APB1RSTR |= RCC_APB1Periph;
+ }
+ else
+ {
+ RCC->APB1RSTR &= ~RCC_APB1Periph;
+ }
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup RCC_Group4 Interrupts and flags management functions
+ * @brief Interrupts and flags management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Interrupts and flags management functions #####
+ ===============================================================================
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the specified RCC interrupts.
+ * @note The CSS interrupt doesn't have an enable bit; once the CSS is enabled
+ * and if the HSE clock fails, the CSS interrupt occurs and an NMI is
+ * automatically generated. The NMI will be executed indefinitely, and
+ * since NMI has higher priority than any other IRQ (and main program)
+ * the application will be stacked in the NMI ISR unless the CSS interrupt
+ * pending bit is cleared.
+ * @param RCC_IT: specifies the RCC interrupt sources to be enabled or disabled.
+ * This parameter can be any combination of the following values:
+ * @arg RCC_IT_LSIRDY: LSI ready interrupt
+ * @arg RCC_IT_LSERDY: LSE ready interrupt
+ * @arg RCC_IT_HSIRDY: HSI ready interrupt
+ * @arg RCC_IT_HSERDY: HSE ready interrupt
+ * @arg RCC_IT_PLLRDY: PLL ready interrupt
+ * @arg RCC_IT_HSI14RDY: HSI14 ready interrupt
+ * @arg RCC_IT_HSI48RDY: HSI48 ready interrupt, applicable only for STM32F072 devices
+ * @param NewState: new state of the specified RCC interrupts.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RCC_ITConfig(uint8_t RCC_IT, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_RCC_IT(RCC_IT));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Perform Byte access to RCC_CIR[13:8] bits to enable the selected interrupts */
+ *(__IO uint8_t *) CIR_BYTE1_ADDRESS |= RCC_IT;
+ }
+ else
+ {
+ /* Perform Byte access to RCC_CIR[13:8] bits to disable the selected interrupts */
+ *(__IO uint8_t *) CIR_BYTE1_ADDRESS &= (uint8_t)~RCC_IT;
+ }
+}
+
+/**
+ * @brief Checks whether the specified RCC flag is set or not.
+ * @param RCC_FLAG: specifies the flag to check.
+ * This parameter can be one of the following values:
+ * @arg RCC_FLAG_HSIRDY: HSI oscillator clock ready
+ * @arg RCC_FLAG_HSERDY: HSE oscillator clock ready
+ * @arg RCC_FLAG_PLLRDY: PLL clock ready
+ * @arg RCC_FLAG_LSERDY: LSE oscillator clock ready
+ * @arg RCC_FLAG_LSIRDY: LSI oscillator clock ready
+ * @arg RCC_FLAG_OBLRST: Option Byte Loader (OBL) reset
+ * @arg RCC_FLAG_PINRST: Pin reset
+ * @arg RCC_FLAG_V18PWRRSTF: V1.8 power domain reset
+ * @arg RCC_FLAG_PORRST: POR/PDR reset
+ * @arg RCC_FLAG_SFTRST: Software reset
+ * @arg RCC_FLAG_IWDGRST: Independent Watchdog reset
+ * @arg RCC_FLAG_WWDGRST: Window Watchdog reset
+ * @arg RCC_FLAG_LPWRRST: Low Power reset
+ * @arg RCC_FLAG_HSI14RDY: HSI14 oscillator clock ready
+ * @arg RCC_FLAG_HSI48RDY: HSI48 oscillator clock ready, applicable only for STM32F072 devices
+ * @retval The new state of RCC_FLAG (SET or RESET).
+ */
+FlagStatus RCC_GetFlagStatus(uint8_t RCC_FLAG)
+{
+ uint32_t tmp = 0;
+ uint32_t statusreg = 0;
+ FlagStatus bitstatus = RESET;
+
+ /* Check the parameters */
+ assert_param(IS_RCC_FLAG(RCC_FLAG));
+
+ /* Get the RCC register index */
+ tmp = RCC_FLAG >> 5;
+
+ if (tmp == 0) /* The flag to check is in CR register */
+ {
+ statusreg = RCC->CR;
+ }
+ else if (tmp == 1) /* The flag to check is in BDCR register */
+ {
+ statusreg = RCC->BDCR;
+ }
+ else if (tmp == 2) /* The flag to check is in CSR register */
+ {
+ statusreg = RCC->CSR;
+ }
+ else /* The flag to check is in CR2 register */
+ {
+ statusreg = RCC->CR2;
+ }
+
+ /* Get the flag position */
+ tmp = RCC_FLAG & FLAG_MASK;
+
+ if ((statusreg & ((uint32_t)1 << tmp)) != (uint32_t)RESET)
+ {
+ bitstatus = SET;
+ }
+ else
+ {
+ bitstatus = RESET;
+ }
+ /* Return the flag status */
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the RCC reset flags.
+ * The reset flags are: RCC_FLAG_OBLRST, RCC_FLAG_PINRST, RCC_FLAG_V18PWRRSTF,
+ * RCC_FLAG_PORRST, RCC_FLAG_SFTRST, RCC_FLAG_IWDGRST, RCC_FLAG_WWDGRST,
+ * RCC_FLAG_LPWRRST.
+ * @param None
+ * @retval None
+ */
+void RCC_ClearFlag(void)
+{
+ /* Set RMVF bit to clear the reset flags */
+ RCC->CSR |= RCC_CSR_RMVF;
+}
+
+/**
+ * @brief Checks whether the specified RCC interrupt has occurred or not.
+ * @param RCC_IT: specifies the RCC interrupt source to check.
+ * This parameter can be one of the following values:
+ * @arg RCC_IT_LSIRDY: LSI ready interrupt
+ * @arg RCC_IT_LSERDY: LSE ready interrupt
+ * @arg RCC_IT_HSIRDY: HSI ready interrupt
+ * @arg RCC_IT_HSERDY: HSE ready interrupt
+ * @arg RCC_IT_PLLRDY: PLL ready interrupt
+ * @arg RCC_IT_HSI14RDY: HSI14 ready interrupt
+ * @arg RCC_IT_HSI48RDY: HSI48 ready interrupt, applicable only for STM32F072 devices
+ * @arg RCC_IT_CSS: Clock Security System interrupt
+ * @retval The new state of RCC_IT (SET or RESET).
+ */
+ITStatus RCC_GetITStatus(uint8_t RCC_IT)
+{
+ ITStatus bitstatus = RESET;
+
+ /* Check the parameters */
+ assert_param(IS_RCC_GET_IT(RCC_IT));
+
+ /* Check the status of the specified RCC interrupt */
+ if ((RCC->CIR & RCC_IT) != (uint32_t)RESET)
+ {
+ bitstatus = SET;
+ }
+ else
+ {
+ bitstatus = RESET;
+ }
+ /* Return the RCC_IT status */
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the RCC's interrupt pending bits.
+ * @param RCC_IT: specifies the interrupt pending bit to clear.
+ * This parameter can be any combination of the following values:
+ * @arg RCC_IT_LSIRDY: LSI ready interrupt
+ * @arg RCC_IT_LSERDY: LSE ready interrupt
+ * @arg RCC_IT_HSIRDY: HSI ready interrupt
+ * @arg RCC_IT_HSERDY: HSE ready interrupt
+ * @arg RCC_IT_PLLRDY: PLL ready interrupt
+ * @arg RCC_IT_HSI48RDY: HSI48 ready interrupt, applicable only for STM32F072 devices
+ * @arg RCC_IT_HSI14RDY: HSI14 ready interrupt
+ * @arg RCC_IT_CSS: Clock Security System interrupt
+ * @retval None
+ */
+void RCC_ClearITPendingBit(uint8_t RCC_IT)
+{
+ /* Check the parameters */
+ assert_param(IS_RCC_CLEAR_IT(RCC_IT));
+
+ /* Perform Byte access to RCC_CIR[23:16] bits to clear the selected interrupt
+ pending bits */
+ *(__IO uint8_t *) CIR_BYTE2_ADDRESS = RCC_IT;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_rtc.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_rtc.c
new file mode 100644
index 00000000..4a8e565a
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_rtc.c
@@ -0,0 +1,2518 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_rtc.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the Real-Time Clock (RTC) peripheral:
+ * + Initialization
+ * + Calendar (Time and Date) configuration
+ * + Alarms (Alarm A) configuration
+ * + Daylight Saving configuration
+ * + Output pin Configuration
+ * + Digital Calibration configuration
+ * + TimeStamp configuration
+ * + Tampers configuration
+ * + Backup Data Registers configuration
+ * + Output Type Config configuration
+ * + Shift control synchronisation
+ * + Interrupts and flags management
+ *
+ @verbatim
+ ===============================================================================
+ ##### Backup Domain Operating Condition #####
+ ===============================================================================
+ [..] The real-time clock (RTC) and the RTC backup registers can be powered
+ from the VBAT voltage when the main VDD supply is powered off.
+ To retain the content of the RTC backup registers and supply the RTC
+ when VDD is turned off, VBAT pin can be connected to an optional
+ standby voltage supplied by a battery or by another source.
+
+ [..] To allow the RTC to operate even when the main digital supply (VDD)
+ is turned off, the VBAT pin powers the following blocks:
+ (#) The RTC
+ (#) The LSE oscillator
+ (#) PC13 to PC15 I/Os I/Os (when available)
+
+ [..] When the backup domain is supplied by VDD (analog switch connected
+ to VDD), the following functions are available:
+ (#) PC14 and PC15 can be used as either GPIO or LSE pins
+ (#) PC13 can be used as a GPIO or as the RTC_AF1 pin
+
+ [..] When the backup domain is supplied by VBAT (analog switch connected
+ to VBAT because VDD is not present), the following functions are available:
+ (#) PC14 and PC15 can be used as LSE pins only
+ (#) PC13 can be used as the RTC_AF1 pin
+
+ ##### Backup Domain Reset #####
+ ===============================================================================
+ [..] The backup domain reset sets all RTC registers and the RCC_BDCR
+ register to their reset values.
+ A backup domain reset is generated when one of the following events
+ occurs:
+ (#) Software reset, triggered by setting the BDRST bit in the
+ RCC Backup domain control register (RCC_BDCR). You can use the
+ RCC_BackupResetCmd().
+ (#) VDD or VBAT power on, if both supplies have previously been
+ powered off.
+
+ ##### Backup Domain Access #####
+ ===============================================================================
+ [..] After reset, the backup domain (RTC registers and RTC backup data
+ registers) is protected against possible unwanted write accesses.
+ [..] To enable access to the Backup Domain and RTC registers, proceed as follows:
+ (#) Enable the Power Controller (PWR) APB1 interface clock using the
+ RCC_APB1PeriphClockCmd() function.
+ (#) Enable access to Backup domain using the PWR_BackupAccessCmd() function.
+ (#) Select the RTC clock source using the RCC_RTCCLKConfig() function.
+ (#) Enable RTC Clock using the RCC_RTCCLKCmd() function.
+
+
+ ##### How to use this driver #####
+ ===============================================================================
+ [..]
+ (+) Enable the backup domain access (see description in the section above)
+ (+) Configure the RTC Prescaler (Asynchronous and Synchronous) and
+ RTC hour format using the RTC_Init() function.
+
+ ***Time and Date configuration ***
+ ==================================
+ [..]
+ (+) To configure the RTC Calendar (Time and Date) use the RTC_SetTime()
+ and RTC_SetDate() functions.
+ (+) To read the RTC Calendar, use the RTC_GetTime() and RTC_GetDate()
+ functions.
+ (+) To read the RTC subsecond, use the RTC_GetSubSecond() function.
+ (+) Use the RTC_DayLightSavingConfig() function to add or sub one
+ hour to the RTC Calendar.
+
+ ***Alarm configuration ***
+ ==========================
+ [..]
+ (+) To configure the RTC Alarm use the RTC_SetAlarm() function.
+ (+) Enable the selected RTC Alarm using the RTC_AlarmCmd() function
+ (+) To read the RTC Alarm, use the RTC_GetAlarm() function.
+ (+) To read the RTC alarm SubSecond, use the RTC_GetAlarmSubSecond() function.
+
+ ***RTC Wakeup configuration***
+ ==========================
+ [..]
+ (+) Configure the RTC Wakeup Clock source use the RTC_WakeUpClockConfig()
+ function.
+ (+) Configure the RTC WakeUp Counter using the RTC_SetWakeUpCounter()
+ function
+ (+) Enable the RTC WakeUp using the RTC_WakeUpCmd() function
+ (+) To read the RTC WakeUp Counter register, use the RTC_GetWakeUpCounter()
+ function.
+
+ ***Outputs configuration ***
+ ============================
+ [..] The RTC has 2 different outputs:
+ (+) AFO_ALARM: this output is used to manage the RTC Alarm A.
+ To output the selected RTC signal on RTC_AF1 pin, use the
+ RTC_OutputConfig() function.
+ (+) AFO_CALIB: this output is 512Hz signal or 1Hz .
+ To output the RTC Clock on RTC_AF1 pin, use the RTC_CalibOutputCmd()
+ function.
+
+ ***Original Digital Calibration configuration ***
+ =================================
+ [..] Configure the RTC Original Digital Calibration Value and the corresponding
+ calibration cycle period (32s,16s and 8s) using the RTC_SmoothCalibConfig()
+ function.
+
+ ***TimeStamp configuration ***
+ ==============================
+ [..]
+ (+) Configure the RTC_AF1 trigger and enables the RTC TimeStamp
+ using the RTC_TimeStampCmd() function.
+ (+) To read the RTC TimeStamp Time and Date register, use the
+ RTC_GetTimeStamp() function.
+ (+) To read the RTC TimeStamp SubSecond register, use the
+ RTC_GetTimeStampSubSecond() function.
+
+ ***Tamper configuration ***
+ ===========================
+ [..]
+ (+) Configure the Tamper filter count using RTC_TamperFilterConfig()
+ function.
+ (+) Configure the RTC Tamper trigger Edge or Level according to the Tamper
+ filter (if equal to 0 Edge else Level) value using the RTC_TamperConfig() function
+ (+) Configure the Tamper sampling frequency using RTC_TamperSamplingFreqConfig()
+ function.
+ (+) Configure the Tamper precharge or discharge duration using
+ RTC_TamperPinsPrechargeDuration() function.
+ (+) Enable the Tamper Pull-UP using RTC_TamperPullUpDisableCmd() function.
+ (+) Enable the RTC Tamper using the RTC_TamperCmd() function.
+ (+) Enable the Time stamp on Tamper detection event using
+ RTC_TSOnTamperDetecCmd() function.
+
+ ***Backup Data Registers configuration ***
+ ==========================================
+ [..]
+ (+) To write to the RTC Backup Data registers, use the RTC_WriteBackupRegister()
+ function.
+ (+) To read the RTC Backup Data registers, use the RTC_ReadBackupRegister()
+ function.
+
+ ##### RTC and low power modes #####
+ ===============================================================================
+ [..] The MCU can be woken up from a low power mode by an RTC alternate
+ function.
+ [..] The RTC alternate functions are the RTC alarm (Alarm A), RTC tamper
+ event detection and RTC time stamp event detection.
+ These RTC alternate functions can wake up the system from the Stop
+ and Standby lowpower modes.
+ The system can also wake up from low power modes without depending
+ on an external interrupt (Auto-wakeup mode), by using the RTC alarm events.
+ [..] The RTC provides a programmable time base for waking up from the
+ Stop or Standby mode at regular intervals.
+ Wakeup from STOP and Standby modes is possible only when the RTC
+ clock source is LSE or LSI.
+
+ ##### Selection of RTC_AF1 alternate functions #####
+ ===============================================================================
+ [..] The RTC_AF1 pin (PC13) can be used for the following purposes:
+ (+) AFO_ALARM output
+ (+) AFO_CALIB output
+ (+) AFI_TAMPER
+ (+) AFI_TIMESTAMP
+
+ +------------------------------------------------------------------------------------------+
+ | Pin |AFO_ALARM |AFO_CALIB |AFI_TAMPER |AFI_TIMESTAMP | WKUP2 |ALARMOUTTYPE |
+ | configuration | ENABLED | ENABLED | ENABLED | ENABLED |ENABLED | AFO_ALARM |
+ | and function | | | | | |Configuration |
+ |-----------------|----------|----------|-----------|--------------|--------|--------------|
+ | Alarm out | | | | | Don't | |
+ | output OD | 1 | 0 |Don't care | Don't care | care | 0 |
+ |-----------------|----------|----------|-----------|--------------|--------|--------------|
+ | Alarm out | | | | | Don't | |
+ | output PP | 1 | 0 |Don't care | Don't care | care | 1 |
+ |-----------------|----------|----------|-----------|--------------|--------|--------------|
+ | Calibration out | | | | | Don't | |
+ | output PP | 0 | 1 |Don't care | Don't care | care | Don't care |
+ |-----------------|----------|----------|-----------|--------------|--------|--------------|
+ | TAMPER input | | | | | Don't | |
+ | floating | 0 | 0 | 1 | 0 | care | Don't care |
+ |-----------------|----------|----------|-----------|--------------|--------|--------------|
+ | TIMESTAMP and | | | | | Don't | |
+ | TAMPER input | 0 | 0 | 1 | 1 | care | Don't care |
+ | floating | | | | | | |
+ |-----------------|----------|----------|-----------|--------------|--------|--------------|
+ | TIMESTAMP input | | | | | Don't | |
+ | floating | 0 | 0 | 0 | 1 | care | Don't care |
+ |-----------------|----------|----------|-----------|--------------|--------|--------------|
+ | Wakeup Pin 2 | 0 | 0 | 0 | 0 | 1 | Don't care |
+ |-----------------|----------|----------|-----------|--------------|--------|--------------|
+ | Standard GPIO | 0 | 0 | 0 | 0 | 0 | Don't care |
+ +------------------------------------------------------------------------------------------+
+
+ @endverbatim
+
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_rtc.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup RTC
+ * @brief RTC driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+
+/* Masks Definition */
+#define RTC_TR_RESERVED_MASK ((uint32_t)0x007F7F7F)
+#define RTC_DR_RESERVED_MASK ((uint32_t)0x00FFFF3F)
+#define RTC_INIT_MASK ((uint32_t)0xFFFFFFFF)
+#define RTC_RSF_MASK ((uint32_t)0xFFFFFF5F)
+#define RTC_FLAGS_MASK ((uint32_t)(RTC_FLAG_TSOVF | RTC_FLAG_TSF | RTC_FLAG_ALRAF | \
+ RTC_FLAG_RSF | RTC_FLAG_INITS |RTC_FLAG_INITF | \
+ RTC_FLAG_TAMP1F | RTC_FLAG_TAMP2F | RTC_FLAG_RECALPF | \
+ RTC_FLAG_SHPF))
+
+#define INITMODE_TIMEOUT ((uint32_t) 0x00004000)
+#define SYNCHRO_TIMEOUT ((uint32_t) 0x00008000)
+#define RECALPF_TIMEOUT ((uint32_t) 0x00001000)
+#define SHPF_TIMEOUT ((uint32_t) 0x00001000)
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+static uint8_t RTC_ByteToBcd2(uint8_t Value);
+static uint8_t RTC_Bcd2ToByte(uint8_t Value);
+
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup RTC_Private_Functions
+ * @{
+ */
+
+/** @defgroup RTC_Group1 Initialization and Configuration functions
+ * @brief Initialization and Configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Initialization and Configuration functions #####
+ ===============================================================================
+
+ [..] This section provide functions allowing to initialize and configure the RTC
+ Prescaler (Synchronous and Asynchronous), RTC Hour format, disable RTC registers
+ Write protection, enter and exit the RTC initialization mode, RTC registers
+ synchronization check and reference clock detection enable.
+
+ (#) The RTC Prescaler is programmed to generate the RTC 1Hz time base.
+ It is split into 2 programmable prescalers to minimize power consumption.
+ (++) A 7-bit asynchronous prescaler and A 13-bit synchronous prescaler.
+ (++) When both prescalers are used, it is recommended to configure the
+ asynchronous prescaler to a high value to minimize consumption.
+ (#) All RTC registers are Write protected. Writing to the RTC registers
+ is enabled by writing a key into the Write Protection register, RTC_WPR.
+ (#) To Configure the RTC Calendar, user application should enter
+ initialization mode. In this mode, the calendar counter is stopped
+ and its value can be updated. When the initialization sequence is
+ complete, the calendar restarts counting after 4 RTCCLK cycles.
+ (#) To read the calendar through the shadow registers after Calendar
+ initialization, calendar update or after wakeup from low power modes
+ the software must first clear the RSF flag. The software must then
+ wait until it is set again before reading the calendar, which means
+ that the calendar registers have been correctly copied into the
+ RTC_TR and RTC_DR shadow registers.The RTC_WaitForSynchro() function
+ implements the above software sequence (RSF clear and RSF check).
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Deinitializes the RTC registers to their default reset values.
+ * @note This function doesn't reset the RTC Clock source and RTC Backup Data
+ * registers.
+ * @param None
+ * @retval An ErrorStatus enumeration value:
+ * - SUCCESS: RTC registers are deinitialized
+ * - ERROR: RTC registers are not deinitialized
+ */
+ErrorStatus RTC_DeInit(void)
+{
+ ErrorStatus status = ERROR;
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ /* Set Initialization mode */
+ if (RTC_EnterInitMode() == ERROR)
+ {
+ status = ERROR;
+ }
+ else
+ {
+ /* Reset TR, DR and CR registers */
+ RTC->TR = (uint32_t)0x00000000;
+ RTC->WUTR = (uint32_t)0x0000FFFF;
+ RTC->DR = (uint32_t)0x00002101;
+ RTC->CR &= (uint32_t)0x00000000;
+ RTC->PRER = (uint32_t)0x007F00FF;
+ RTC->ALRMAR = (uint32_t)0x00000000;
+ RTC->SHIFTR = (uint32_t)0x00000000;
+ RTC->CALR = (uint32_t)0x00000000;
+ RTC->ALRMASSR = (uint32_t)0x00000000;
+
+ /* Reset ISR register and exit initialization mode */
+ RTC->ISR = (uint32_t)0x00000000;
+
+ /* Reset Tamper and alternate functions configuration register */
+ RTC->TAFCR = 0x00000000;
+
+ /* Wait till the RTC RSF flag is set */
+ if (RTC_WaitForSynchro() == ERROR)
+ {
+ status = ERROR;
+ }
+ else
+ {
+ status = SUCCESS;
+ }
+
+ }
+
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+
+ return status;
+}
+
+/**
+ * @brief Initializes the RTC registers according to the specified parameters
+ * in RTC_InitStruct.
+ * @param RTC_InitStruct: pointer to a RTC_InitTypeDef structure that contains
+ * the configuration information for the RTC peripheral.
+ * @note The RTC Prescaler register is write protected and can be written in
+ * initialization mode only.
+ * @retval An ErrorStatus enumeration value:
+ * - SUCCESS: RTC registers are initialized
+ * - ERROR: RTC registers are not initialized
+ */
+ErrorStatus RTC_Init(RTC_InitTypeDef* RTC_InitStruct)
+{
+ ErrorStatus status = ERROR;
+
+ /* Check the parameters */
+ assert_param(IS_RTC_HOUR_FORMAT(RTC_InitStruct->RTC_HourFormat));
+ assert_param(IS_RTC_ASYNCH_PREDIV(RTC_InitStruct->RTC_AsynchPrediv));
+ assert_param(IS_RTC_SYNCH_PREDIV(RTC_InitStruct->RTC_SynchPrediv));
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ /* Set Initialization mode */
+ if (RTC_EnterInitMode() == ERROR)
+ {
+ status = ERROR;
+ }
+ else
+ {
+ /* Clear RTC CR FMT Bit */
+ RTC->CR &= ((uint32_t)~(RTC_CR_FMT));
+ /* Set RTC_CR register */
+ RTC->CR |= ((uint32_t)(RTC_InitStruct->RTC_HourFormat));
+
+ /* Configure the RTC PRER */
+ RTC->PRER = (uint32_t)(RTC_InitStruct->RTC_SynchPrediv);
+ RTC->PRER |= (uint32_t)(RTC_InitStruct->RTC_AsynchPrediv << 16);
+
+ /* Exit Initialization mode */
+ RTC_ExitInitMode();
+
+ status = SUCCESS;
+ }
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+
+ return status;
+}
+
+/**
+ * @brief Fills each RTC_InitStruct member with its default value.
+ * @param RTC_InitStruct: pointer to a RTC_InitTypeDef structure which will be
+ * initialized.
+ * @retval None
+ */
+void RTC_StructInit(RTC_InitTypeDef* RTC_InitStruct)
+{
+ /* Initialize the RTC_HourFormat member */
+ RTC_InitStruct->RTC_HourFormat = RTC_HourFormat_24;
+
+ /* Initialize the RTC_AsynchPrediv member */
+ RTC_InitStruct->RTC_AsynchPrediv = (uint32_t)0x7F;
+
+ /* Initialize the RTC_SynchPrediv member */
+ RTC_InitStruct->RTC_SynchPrediv = (uint32_t)0xFF;
+}
+
+/**
+ * @brief Enables or disables the RTC registers write protection.
+ * @note All the RTC registers are write protected except for RTC_ISR[13:8],
+ * RTC_TAFCR and RTC_BKPxR.
+ * @note Writing a wrong key reactivates the write protection.
+ * @note The protection mechanism is not affected by system reset.
+ * @param NewState: new state of the write protection.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RTC_WriteProtectionCmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+ }
+ else
+ {
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+ }
+}
+
+/**
+ * @brief Enters the RTC Initialization mode.
+ * @note The RTC Initialization mode is write protected, use the
+ * RTC_WriteProtectionCmd(DISABLE) before calling this function.
+ * @param None
+ * @retval An ErrorStatus enumeration value:
+ * - SUCCESS: RTC is in Init mode
+ * - ERROR: RTC is not in Init mode
+ */
+ErrorStatus RTC_EnterInitMode(void)
+{
+ __IO uint32_t initcounter = 0x00;
+ ErrorStatus status = ERROR;
+ uint32_t initstatus = 0x00;
+
+ /* Check if the Initialization mode is set */
+ if ((RTC->ISR & RTC_ISR_INITF) == (uint32_t)RESET)
+ {
+ /* Set the Initialization mode */
+ RTC->ISR = (uint32_t)RTC_INIT_MASK;
+
+ /* Wait till RTC is in INIT state and if Time out is reached exit */
+ do
+ {
+ initstatus = RTC->ISR & RTC_ISR_INITF;
+ initcounter++;
+ } while((initcounter != INITMODE_TIMEOUT) && (initstatus == 0x00));
+
+ if ((RTC->ISR & RTC_ISR_INITF) != RESET)
+ {
+ status = SUCCESS;
+ }
+ else
+ {
+ status = ERROR;
+ }
+ }
+ else
+ {
+ status = SUCCESS;
+ }
+
+ return (status);
+}
+
+/**
+ * @brief Exits the RTC Initialization mode.
+ * @note When the initialization sequence is complete, the calendar restarts
+ * counting after 4 RTCCLK cycles.
+ * @note The RTC Initialization mode is write protected, use the
+ * RTC_WriteProtectionCmd(DISABLE) before calling this function.
+ * @param None
+ * @retval None
+ */
+void RTC_ExitInitMode(void)
+{
+ /* Exit Initialization mode */
+ RTC->ISR &= (uint32_t)~RTC_ISR_INIT;
+}
+
+/**
+ * @brief Waits until the RTC Time and Date registers (RTC_TR and RTC_DR) are
+ * synchronized with RTC APB clock.
+ * @note The RTC Resynchronization mode is write protected, use the
+ * RTC_WriteProtectionCmd(DISABLE) before calling this function.
+ * @note To read the calendar through the shadow registers after Calendar
+ * initialization, calendar update or after wakeup from low power modes
+ * the software must first clear the RSF flag.
+ * The software must then wait until it is set again before reading
+ * the calendar, which means that the calendar registers have been
+ * correctly copied into the RTC_TR and RTC_DR shadow registers.
+ * @param None
+ * @retval An ErrorStatus enumeration value:
+ * - SUCCESS: RTC registers are synchronised
+ * - ERROR: RTC registers are not synchronised
+ */
+ErrorStatus RTC_WaitForSynchro(void)
+{
+ __IO uint32_t synchrocounter = 0;
+ ErrorStatus status = ERROR;
+ uint32_t synchrostatus = 0x00;
+
+ if ((RTC->CR & RTC_CR_BYPSHAD) != RESET)
+ {
+ /* Bypass shadow mode */
+ status = SUCCESS;
+ }
+ else
+ {
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ /* Clear RSF flag */
+ RTC->ISR &= (uint32_t)RTC_RSF_MASK;
+
+ /* Wait the registers to be synchronised */
+ do
+ {
+ synchrostatus = RTC->ISR & RTC_ISR_RSF;
+ synchrocounter++;
+ } while((synchrocounter != SYNCHRO_TIMEOUT) && (synchrostatus == 0x00));
+
+ if ((RTC->ISR & RTC_ISR_RSF) != RESET)
+ {
+ status = SUCCESS;
+ }
+ else
+ {
+ status = ERROR;
+ }
+
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+ }
+
+ return (status);
+}
+
+/**
+ * @brief Enables or disables the RTC reference clock detection.
+ * @param NewState: new state of the RTC reference clock.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval An ErrorStatus enumeration value:
+ * - SUCCESS: RTC reference clock detection is enabled
+ * - ERROR: RTC reference clock detection is disabled
+ */
+ErrorStatus RTC_RefClockCmd(FunctionalState NewState)
+{
+ ErrorStatus status = ERROR;
+
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ /* Set Initialization mode */
+ if (RTC_EnterInitMode() == ERROR)
+ {
+ status = ERROR;
+ }
+ else
+ {
+ if (NewState != DISABLE)
+ {
+ /* Enable the RTC reference clock detection */
+ RTC->CR |= RTC_CR_REFCKON;
+ }
+ else
+ {
+ /* Disable the RTC reference clock detection */
+ RTC->CR &= ~RTC_CR_REFCKON;
+ }
+ /* Exit Initialization mode */
+ RTC_ExitInitMode();
+
+ status = SUCCESS;
+ }
+
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+
+ return status;
+}
+
+/**
+ * @brief Enables or Disables the Bypass Shadow feature.
+ * @note When the Bypass Shadow is enabled the calendar value are taken
+ * directly from the Calendar counter.
+ * @param NewState: new state of the Bypass Shadow feature.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+*/
+void RTC_BypassShadowCmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ if (NewState != DISABLE)
+ {
+ /* Set the BYPSHAD bit */
+ RTC->CR |= (uint8_t)RTC_CR_BYPSHAD;
+ }
+ else
+ {
+ /* Reset the BYPSHAD bit */
+ RTC->CR &= (uint8_t)~RTC_CR_BYPSHAD;
+ }
+
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Group2 Time and Date configuration functions
+ * @brief Time and Date configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Time and Date configuration functions #####
+ ===============================================================================
+ [..] This section provide functions allowing to program and read the RTC
+ Calendar (Time and Date).
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Set the RTC current time.
+ * @param RTC_Format: specifies the format of the entered parameters.
+ * This parameter can be one of the following values:
+ * @arg RTC_Format_BIN: Binary data format
+ * @arg RTC_Format_BCD: BCD data format
+ * @param RTC_TimeStruct: pointer to a RTC_TimeTypeDef structure that contains
+ * the time configuration information for the RTC.
+ * @retval An ErrorStatus enumeration value:
+ * - SUCCESS: RTC Time register is configured
+ * - ERROR: RTC Time register is not configured
+ */
+ErrorStatus RTC_SetTime(uint32_t RTC_Format, RTC_TimeTypeDef* RTC_TimeStruct)
+{
+ uint32_t tmpreg = 0;
+ ErrorStatus status = ERROR;
+
+ /* Check the parameters */
+ assert_param(IS_RTC_FORMAT(RTC_Format));
+
+ if (RTC_Format == RTC_Format_BIN)
+ {
+ if ((RTC->CR & RTC_CR_FMT) != (uint32_t)RESET)
+ {
+ assert_param(IS_RTC_HOUR12(RTC_TimeStruct->RTC_Hours));
+ assert_param(IS_RTC_H12(RTC_TimeStruct->RTC_H12));
+ }
+ else
+ {
+ RTC_TimeStruct->RTC_H12 = 0x00;
+ assert_param(IS_RTC_HOUR24(RTC_TimeStruct->RTC_Hours));
+ }
+ assert_param(IS_RTC_MINUTES(RTC_TimeStruct->RTC_Minutes));
+ assert_param(IS_RTC_SECONDS(RTC_TimeStruct->RTC_Seconds));
+ }
+ else
+ {
+ if ((RTC->CR & RTC_CR_FMT) != (uint32_t)RESET)
+ {
+ tmpreg = RTC_Bcd2ToByte(RTC_TimeStruct->RTC_Hours);
+ assert_param(IS_RTC_HOUR12(tmpreg));
+ assert_param(IS_RTC_H12(RTC_TimeStruct->RTC_H12));
+ }
+ else
+ {
+ RTC_TimeStruct->RTC_H12 = 0x00;
+ assert_param(IS_RTC_HOUR24(RTC_Bcd2ToByte(RTC_TimeStruct->RTC_Hours)));
+ }
+ assert_param(IS_RTC_MINUTES(RTC_Bcd2ToByte(RTC_TimeStruct->RTC_Minutes)));
+ assert_param(IS_RTC_SECONDS(RTC_Bcd2ToByte(RTC_TimeStruct->RTC_Seconds)));
+ }
+
+ /* Check the input parameters format */
+ if (RTC_Format != RTC_Format_BIN)
+ {
+ tmpreg = (((uint32_t)(RTC_TimeStruct->RTC_Hours) << 16) | \
+ ((uint32_t)(RTC_TimeStruct->RTC_Minutes) << 8) | \
+ ((uint32_t)RTC_TimeStruct->RTC_Seconds) | \
+ ((uint32_t)(RTC_TimeStruct->RTC_H12) << 16));
+ }
+ else
+ {
+ tmpreg = (uint32_t)(((uint32_t)RTC_ByteToBcd2(RTC_TimeStruct->RTC_Hours) << 16) | \
+ ((uint32_t)RTC_ByteToBcd2(RTC_TimeStruct->RTC_Minutes) << 8) | \
+ ((uint32_t)RTC_ByteToBcd2(RTC_TimeStruct->RTC_Seconds)) | \
+ (((uint32_t)RTC_TimeStruct->RTC_H12) << 16));
+ }
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ /* Set Initialization mode */
+ if (RTC_EnterInitMode() == ERROR)
+ {
+ status = ERROR;
+ }
+ else
+ {
+ /* Set the RTC_TR register */
+ RTC->TR = (uint32_t)(tmpreg & RTC_TR_RESERVED_MASK);
+
+ /* Exit Initialization mode */
+ RTC_ExitInitMode();
+
+ /* If RTC_CR_BYPSHAD bit = 0, wait for synchro else this check is not needed */
+ if ((RTC->CR & RTC_CR_BYPSHAD) == RESET)
+ {
+ if (RTC_WaitForSynchro() == ERROR)
+ {
+ status = ERROR;
+ }
+ else
+ {
+ status = SUCCESS;
+ }
+ }
+ else
+ {
+ status = SUCCESS;
+ }
+
+ }
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+
+ return status;
+}
+
+/**
+ * @brief Fills each RTC_TimeStruct member with its default value
+ * (Time = 00h:00min:00sec).
+ * @param RTC_TimeStruct: pointer to a RTC_TimeTypeDef structure which will be
+ * initialized.
+ * @retval None
+ */
+void RTC_TimeStructInit(RTC_TimeTypeDef* RTC_TimeStruct)
+{
+ /* Time = 00h:00min:00sec */
+ RTC_TimeStruct->RTC_H12 = RTC_H12_AM;
+ RTC_TimeStruct->RTC_Hours = 0;
+ RTC_TimeStruct->RTC_Minutes = 0;
+ RTC_TimeStruct->RTC_Seconds = 0;
+}
+
+/**
+ * @brief Get the RTC current Time.
+ * @param RTC_Format: specifies the format of the returned parameters.
+ * This parameter can be one of the following values:
+ * @arg RTC_Format_BIN: Binary data format
+ * @arg RTC_Format_BCD: BCD data format
+ * @param RTC_TimeStruct: pointer to a RTC_TimeTypeDef structure that will
+ * contain the returned current time configuration.
+ * @retval None
+ */
+void RTC_GetTime(uint32_t RTC_Format, RTC_TimeTypeDef* RTC_TimeStruct)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RTC_FORMAT(RTC_Format));
+
+ /* Get the RTC_TR register */
+ tmpreg = (uint32_t)(RTC->TR & RTC_TR_RESERVED_MASK);
+
+ /* Fill the structure fields with the read parameters */
+ RTC_TimeStruct->RTC_Hours = (uint8_t)((tmpreg & (RTC_TR_HT | RTC_TR_HU)) >> 16);
+ RTC_TimeStruct->RTC_Minutes = (uint8_t)((tmpreg & (RTC_TR_MNT | RTC_TR_MNU)) >>8);
+ RTC_TimeStruct->RTC_Seconds = (uint8_t)(tmpreg & (RTC_TR_ST | RTC_TR_SU));
+ RTC_TimeStruct->RTC_H12 = (uint8_t)((tmpreg & (RTC_TR_PM)) >> 16);
+
+ /* Check the input parameters format */
+ if (RTC_Format == RTC_Format_BIN)
+ {
+ /* Convert the structure parameters to Binary format */
+ RTC_TimeStruct->RTC_Hours = (uint8_t)RTC_Bcd2ToByte(RTC_TimeStruct->RTC_Hours);
+ RTC_TimeStruct->RTC_Minutes = (uint8_t)RTC_Bcd2ToByte(RTC_TimeStruct->RTC_Minutes);
+ RTC_TimeStruct->RTC_Seconds = (uint8_t)RTC_Bcd2ToByte(RTC_TimeStruct->RTC_Seconds);
+ }
+}
+
+/**
+ * @brief Gets the RTC current Calendar Subseconds value.
+ * @note This function freeze the Time and Date registers after reading the
+ * SSR register.
+ * @param None
+ * @retval RTC current Calendar Subseconds value.
+ */
+uint32_t RTC_GetSubSecond(void)
+{
+ uint32_t tmpreg = 0;
+
+ /* Get subseconds values from the correspondent registers*/
+ tmpreg = (uint32_t)(RTC->SSR);
+
+ /* Read DR register to unfroze calendar registers */
+ (void) (RTC->DR);
+
+ return (tmpreg);
+}
+
+/**
+ * @brief Set the RTC current date.
+ * @param RTC_Format: specifies the format of the entered parameters.
+ * This parameter can be one of the following values:
+ * @arg RTC_Format_BIN: Binary data format
+ * @arg RTC_Format_BCD: BCD data format
+ * @param RTC_DateStruct: pointer to a RTC_DateTypeDef structure that contains
+ * the date configuration information for the RTC.
+ * @retval An ErrorStatus enumeration value:
+ * - SUCCESS: RTC Date register is configured
+ * - ERROR: RTC Date register is not configured
+ */
+ErrorStatus RTC_SetDate(uint32_t RTC_Format, RTC_DateTypeDef* RTC_DateStruct)
+{
+ uint32_t tmpreg = 0;
+ ErrorStatus status = ERROR;
+
+ /* Check the parameters */
+ assert_param(IS_RTC_FORMAT(RTC_Format));
+
+ if ((RTC_Format == RTC_Format_BIN) && ((RTC_DateStruct->RTC_Month & 0x10) == 0x10))
+ {
+ RTC_DateStruct->RTC_Month = (RTC_DateStruct->RTC_Month & (uint32_t)~(0x10)) + 0x0A;
+ }
+ if (RTC_Format == RTC_Format_BIN)
+ {
+ assert_param(IS_RTC_YEAR(RTC_DateStruct->RTC_Year));
+ assert_param(IS_RTC_MONTH(RTC_DateStruct->RTC_Month));
+ assert_param(IS_RTC_DATE(RTC_DateStruct->RTC_Date));
+ }
+ else
+ {
+ assert_param(IS_RTC_YEAR(RTC_Bcd2ToByte(RTC_DateStruct->RTC_Year)));
+ tmpreg = RTC_Bcd2ToByte(RTC_DateStruct->RTC_Month);
+ assert_param(IS_RTC_MONTH(tmpreg));
+ tmpreg = RTC_Bcd2ToByte(RTC_DateStruct->RTC_Date);
+ assert_param(IS_RTC_DATE(tmpreg));
+ }
+ assert_param(IS_RTC_WEEKDAY(RTC_DateStruct->RTC_WeekDay));
+
+ /* Check the input parameters format */
+ if (RTC_Format != RTC_Format_BIN)
+ {
+ tmpreg = ((((uint32_t)RTC_DateStruct->RTC_Year) << 16) | \
+ (((uint32_t)RTC_DateStruct->RTC_Month) << 8) | \
+ ((uint32_t)RTC_DateStruct->RTC_Date) | \
+ (((uint32_t)RTC_DateStruct->RTC_WeekDay) << 13));
+ }
+ else
+ {
+ tmpreg = (((uint32_t)RTC_ByteToBcd2(RTC_DateStruct->RTC_Year) << 16) | \
+ ((uint32_t)RTC_ByteToBcd2(RTC_DateStruct->RTC_Month) << 8) | \
+ ((uint32_t)RTC_ByteToBcd2(RTC_DateStruct->RTC_Date)) | \
+ ((uint32_t)RTC_DateStruct->RTC_WeekDay << 13));
+ }
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ /* Set Initialization mode */
+ if (RTC_EnterInitMode() == ERROR)
+ {
+ status = ERROR;
+ }
+ else
+ {
+ /* Set the RTC_DR register */
+ RTC->DR = (uint32_t)(tmpreg & RTC_DR_RESERVED_MASK);
+
+ /* Exit Initialization mode */
+ RTC_ExitInitMode();
+
+ /* If RTC_CR_BYPSHAD bit = 0, wait for synchro else this check is not needed */
+ if ((RTC->CR & RTC_CR_BYPSHAD) == RESET)
+ {
+ if (RTC_WaitForSynchro() == ERROR)
+ {
+ status = ERROR;
+ }
+ else
+ {
+ status = SUCCESS;
+ }
+ }
+ else
+ {
+ status = SUCCESS;
+ }
+ }
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+
+ return status;
+}
+
+/**
+ * @brief Fills each RTC_DateStruct member with its default value
+ * (Monday, January 01 xx00).
+ * @param RTC_DateStruct: pointer to a RTC_DateTypeDef structure which will be
+ * initialized.
+ * @retval None
+ */
+void RTC_DateStructInit(RTC_DateTypeDef* RTC_DateStruct)
+{
+ /* Monday, January 01 xx00 */
+ RTC_DateStruct->RTC_WeekDay = RTC_Weekday_Monday;
+ RTC_DateStruct->RTC_Date = 1;
+ RTC_DateStruct->RTC_Month = RTC_Month_January;
+ RTC_DateStruct->RTC_Year = 0;
+}
+
+/**
+ * @brief Get the RTC current date.
+ * @param RTC_Format: specifies the format of the returned parameters.
+ * This parameter can be one of the following values:
+ * @arg RTC_Format_BIN: Binary data format
+ * @arg RTC_Format_BCD: BCD data format
+ * @param RTC_DateStruct: pointer to a RTC_DateTypeDef structure that will
+ * contain the returned current date configuration.
+ * @retval None
+ */
+void RTC_GetDate(uint32_t RTC_Format, RTC_DateTypeDef* RTC_DateStruct)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RTC_FORMAT(RTC_Format));
+
+ /* Get the RTC_TR register */
+ tmpreg = (uint32_t)(RTC->DR & RTC_DR_RESERVED_MASK);
+
+ /* Fill the structure fields with the read parameters */
+ RTC_DateStruct->RTC_Year = (uint8_t)((tmpreg & (RTC_DR_YT | RTC_DR_YU)) >> 16);
+ RTC_DateStruct->RTC_Month = (uint8_t)((tmpreg & (RTC_DR_MT | RTC_DR_MU)) >> 8);
+ RTC_DateStruct->RTC_Date = (uint8_t)(tmpreg & (RTC_DR_DT | RTC_DR_DU));
+ RTC_DateStruct->RTC_WeekDay = (uint8_t)((tmpreg & (RTC_DR_WDU)) >> 13);
+
+ /* Check the input parameters format */
+ if (RTC_Format == RTC_Format_BIN)
+ {
+ /* Convert the structure parameters to Binary format */
+ RTC_DateStruct->RTC_Year = (uint8_t)RTC_Bcd2ToByte(RTC_DateStruct->RTC_Year);
+ RTC_DateStruct->RTC_Month = (uint8_t)RTC_Bcd2ToByte(RTC_DateStruct->RTC_Month);
+ RTC_DateStruct->RTC_Date = (uint8_t)RTC_Bcd2ToByte(RTC_DateStruct->RTC_Date);
+ RTC_DateStruct->RTC_WeekDay = (uint8_t)(RTC_DateStruct->RTC_WeekDay);
+ }
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Group3 Alarms configuration functions
+ * @brief Alarms (Alarm A) configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Alarms (Alarm A and Alarm B) configuration functions #####
+ ===============================================================================
+ [..] This section provide functions allowing to program and read the RTC
+ Alarms.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Set the specified RTC Alarm.
+ * @note The Alarm register can only be written when the corresponding Alarm
+ * is disabled (Use the RTC_AlarmCmd(DISABLE)).
+ * @param RTC_Format: specifies the format of the returned parameters.
+ * This parameter can be one of the following values:
+ * @arg RTC_Format_BIN: Binary data format
+ * @arg RTC_Format_BCD: BCD data format
+ * @param RTC_Alarm: specifies the alarm to be configured.
+ * This parameter can be one of the following values:
+ * @arg RTC_Alarm_A: to select Alarm A
+ * @param RTC_AlarmStruct: pointer to a RTC_AlarmTypeDef structure that
+ * contains the alarm configuration parameters.
+ * @retval None
+ */
+void RTC_SetAlarm(uint32_t RTC_Format, uint32_t RTC_Alarm, RTC_AlarmTypeDef* RTC_AlarmStruct)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RTC_FORMAT(RTC_Format));
+ assert_param(IS_RTC_ALARM(RTC_Alarm));
+ assert_param(IS_RTC_ALARM_MASK(RTC_AlarmStruct->RTC_AlarmMask));
+ assert_param(IS_RTC_ALARM_DATE_WEEKDAY_SEL(RTC_AlarmStruct->RTC_AlarmDateWeekDaySel));
+
+ if (RTC_Format == RTC_Format_BIN)
+ {
+ if ((RTC->CR & RTC_CR_FMT) != (uint32_t)RESET)
+ {
+ assert_param(IS_RTC_HOUR12(RTC_AlarmStruct->RTC_AlarmTime.RTC_Hours));
+ assert_param(IS_RTC_H12(RTC_AlarmStruct->RTC_AlarmTime.RTC_H12));
+ }
+ else
+ {
+ RTC_AlarmStruct->RTC_AlarmTime.RTC_H12 = 0x00;
+ assert_param(IS_RTC_HOUR24(RTC_AlarmStruct->RTC_AlarmTime.RTC_Hours));
+ }
+ assert_param(IS_RTC_MINUTES(RTC_AlarmStruct->RTC_AlarmTime.RTC_Minutes));
+ assert_param(IS_RTC_SECONDS(RTC_AlarmStruct->RTC_AlarmTime.RTC_Seconds));
+
+ if(RTC_AlarmStruct->RTC_AlarmDateWeekDaySel == RTC_AlarmDateWeekDaySel_Date)
+ {
+ assert_param(IS_RTC_ALARM_DATE_WEEKDAY_DATE(RTC_AlarmStruct->RTC_AlarmDateWeekDay));
+ }
+ else
+ {
+ assert_param(IS_RTC_ALARM_DATE_WEEKDAY_WEEKDAY(RTC_AlarmStruct->RTC_AlarmDateWeekDay));
+ }
+ }
+ else
+ {
+ if ((RTC->CR & RTC_CR_FMT) != (uint32_t)RESET)
+ {
+ tmpreg = RTC_Bcd2ToByte(RTC_AlarmStruct->RTC_AlarmTime.RTC_Hours);
+ assert_param(IS_RTC_HOUR12(tmpreg));
+ assert_param(IS_RTC_H12(RTC_AlarmStruct->RTC_AlarmTime.RTC_H12));
+ }
+ else
+ {
+ RTC_AlarmStruct->RTC_AlarmTime.RTC_H12 = 0x00;
+ assert_param(IS_RTC_HOUR24(RTC_Bcd2ToByte(RTC_AlarmStruct->RTC_AlarmTime.RTC_Hours)));
+ }
+
+ assert_param(IS_RTC_MINUTES(RTC_Bcd2ToByte(RTC_AlarmStruct->RTC_AlarmTime.RTC_Minutes)));
+ assert_param(IS_RTC_SECONDS(RTC_Bcd2ToByte(RTC_AlarmStruct->RTC_AlarmTime.RTC_Seconds)));
+
+ if(RTC_AlarmStruct->RTC_AlarmDateWeekDaySel == RTC_AlarmDateWeekDaySel_Date)
+ {
+ tmpreg = RTC_Bcd2ToByte(RTC_AlarmStruct->RTC_AlarmDateWeekDay);
+ assert_param(IS_RTC_ALARM_DATE_WEEKDAY_DATE(tmpreg));
+ }
+ else
+ {
+ tmpreg = RTC_Bcd2ToByte(RTC_AlarmStruct->RTC_AlarmDateWeekDay);
+ assert_param(IS_RTC_ALARM_DATE_WEEKDAY_WEEKDAY(tmpreg));
+ }
+ }
+
+ /* Check the input parameters format */
+ if (RTC_Format != RTC_Format_BIN)
+ {
+ tmpreg = (((uint32_t)(RTC_AlarmStruct->RTC_AlarmTime.RTC_Hours) << 16) | \
+ ((uint32_t)(RTC_AlarmStruct->RTC_AlarmTime.RTC_Minutes) << 8) | \
+ ((uint32_t)RTC_AlarmStruct->RTC_AlarmTime.RTC_Seconds) | \
+ ((uint32_t)(RTC_AlarmStruct->RTC_AlarmTime.RTC_H12) << 16) | \
+ ((uint32_t)(RTC_AlarmStruct->RTC_AlarmDateWeekDay) << 24) | \
+ ((uint32_t)RTC_AlarmStruct->RTC_AlarmDateWeekDaySel) | \
+ ((uint32_t)RTC_AlarmStruct->RTC_AlarmMask));
+ }
+ else
+ {
+ tmpreg = (((uint32_t)RTC_ByteToBcd2(RTC_AlarmStruct->RTC_AlarmTime.RTC_Hours) << 16) | \
+ ((uint32_t)RTC_ByteToBcd2(RTC_AlarmStruct->RTC_AlarmTime.RTC_Minutes) << 8) | \
+ ((uint32_t)RTC_ByteToBcd2(RTC_AlarmStruct->RTC_AlarmTime.RTC_Seconds)) | \
+ ((uint32_t)(RTC_AlarmStruct->RTC_AlarmTime.RTC_H12) << 16) | \
+ ((uint32_t)RTC_ByteToBcd2(RTC_AlarmStruct->RTC_AlarmDateWeekDay) << 24) | \
+ ((uint32_t)RTC_AlarmStruct->RTC_AlarmDateWeekDaySel) | \
+ ((uint32_t)RTC_AlarmStruct->RTC_AlarmMask));
+ }
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ /* Configure the Alarm register */
+ RTC->ALRMAR = (uint32_t)tmpreg;
+
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+}
+
+/**
+ * @brief Fills each RTC_AlarmStruct member with its default value
+ * (Time = 00h:00mn:00sec / Date = 1st day of the month/Mask =
+ * all fields are masked).
+ * @param RTC_AlarmStruct: pointer to a @ref RTC_AlarmTypeDef structure which
+ * will be initialized.
+ * @retval None
+ */
+void RTC_AlarmStructInit(RTC_AlarmTypeDef* RTC_AlarmStruct)
+{
+ /* Alarm Time Settings : Time = 00h:00mn:00sec */
+ RTC_AlarmStruct->RTC_AlarmTime.RTC_H12 = RTC_H12_AM;
+ RTC_AlarmStruct->RTC_AlarmTime.RTC_Hours = 0;
+ RTC_AlarmStruct->RTC_AlarmTime.RTC_Minutes = 0;
+ RTC_AlarmStruct->RTC_AlarmTime.RTC_Seconds = 0;
+
+ /* Alarm Date Settings : Date = 1st day of the month */
+ RTC_AlarmStruct->RTC_AlarmDateWeekDaySel = RTC_AlarmDateWeekDaySel_Date;
+ RTC_AlarmStruct->RTC_AlarmDateWeekDay = 1;
+
+ /* Alarm Masks Settings : Mask = all fields are not masked */
+ RTC_AlarmStruct->RTC_AlarmMask = RTC_AlarmMask_None;
+}
+
+/**
+ * @brief Get the RTC Alarm value and masks.
+ * @param RTC_Format: specifies the format of the output parameters.
+ * This parameter can be one of the following values:
+ * @arg RTC_Format_BIN: Binary data format
+ * @arg RTC_Format_BCD: BCD data format
+ * @param RTC_Alarm: specifies the alarm to be read.
+ * This parameter can be one of the following values:
+ * @arg RTC_Alarm_A: to select Alarm A
+ * @param RTC_AlarmStruct: pointer to a RTC_AlarmTypeDef structure that will
+ * contains the output alarm configuration values.
+ * @retval None
+ */
+void RTC_GetAlarm(uint32_t RTC_Format, uint32_t RTC_Alarm, RTC_AlarmTypeDef* RTC_AlarmStruct)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RTC_FORMAT(RTC_Format));
+ assert_param(IS_RTC_ALARM(RTC_Alarm));
+
+ /* Get the RTC_ALRMAR register */
+ tmpreg = (uint32_t)(RTC->ALRMAR);
+
+ /* Fill the structure with the read parameters */
+ RTC_AlarmStruct->RTC_AlarmTime.RTC_Hours = (uint32_t)((tmpreg & (RTC_ALRMAR_HT | \
+ RTC_ALRMAR_HU)) >> 16);
+ RTC_AlarmStruct->RTC_AlarmTime.RTC_Minutes = (uint32_t)((tmpreg & (RTC_ALRMAR_MNT | \
+ RTC_ALRMAR_MNU)) >> 8);
+ RTC_AlarmStruct->RTC_AlarmTime.RTC_Seconds = (uint32_t)(tmpreg & (RTC_ALRMAR_ST | \
+ RTC_ALRMAR_SU));
+ RTC_AlarmStruct->RTC_AlarmTime.RTC_H12 = (uint32_t)((tmpreg & RTC_ALRMAR_PM) >> 16);
+ RTC_AlarmStruct->RTC_AlarmDateWeekDay = (uint32_t)((tmpreg & (RTC_ALRMAR_DT | RTC_ALRMAR_DU)) >> 24);
+ RTC_AlarmStruct->RTC_AlarmDateWeekDaySel = (uint32_t)(tmpreg & RTC_ALRMAR_WDSEL);
+ RTC_AlarmStruct->RTC_AlarmMask = (uint32_t)(tmpreg & RTC_AlarmMask_All);
+
+ if (RTC_Format == RTC_Format_BIN)
+ {
+ RTC_AlarmStruct->RTC_AlarmTime.RTC_Hours = RTC_Bcd2ToByte(RTC_AlarmStruct-> \
+ RTC_AlarmTime.RTC_Hours);
+ RTC_AlarmStruct->RTC_AlarmTime.RTC_Minutes = RTC_Bcd2ToByte(RTC_AlarmStruct-> \
+ RTC_AlarmTime.RTC_Minutes);
+ RTC_AlarmStruct->RTC_AlarmTime.RTC_Seconds = RTC_Bcd2ToByte(RTC_AlarmStruct-> \
+ RTC_AlarmTime.RTC_Seconds);
+ RTC_AlarmStruct->RTC_AlarmDateWeekDay = RTC_Bcd2ToByte(RTC_AlarmStruct->RTC_AlarmDateWeekDay);
+ }
+}
+
+/**
+ * @brief Enables or disables the specified RTC Alarm.
+ * @param RTC_Alarm: specifies the alarm to be configured.
+ * This parameter can be any combination of the following values:
+ * @arg RTC_Alarm_A: to select Alarm A
+ * @param NewState: new state of the specified alarm.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval An ErrorStatus enumeration value:
+ * - SUCCESS: RTC Alarm is enabled/disabled
+ * - ERROR: RTC Alarm is not enabled/disabled
+ */
+ErrorStatus RTC_AlarmCmd(uint32_t RTC_Alarm, FunctionalState NewState)
+{
+ __IO uint32_t alarmcounter = 0x00;
+ uint32_t alarmstatus = 0x00;
+ ErrorStatus status = ERROR;
+
+ /* Check the parameters */
+ assert_param(IS_RTC_CMD_ALARM(RTC_Alarm));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ /* Configure the Alarm state */
+ if (NewState != DISABLE)
+ {
+ RTC->CR |= (uint32_t)RTC_Alarm;
+
+ status = SUCCESS;
+ }
+ else
+ {
+ /* Disable the Alarm in RTC_CR register */
+ RTC->CR &= (uint32_t)~RTC_Alarm;
+
+ /* Wait till RTC ALRxWF flag is set and if Time out is reached exit */
+ do
+ {
+ alarmstatus = RTC->ISR & (RTC_Alarm >> 8);
+ alarmcounter++;
+ } while((alarmcounter != INITMODE_TIMEOUT) && (alarmstatus == 0x00));
+
+ if ((RTC->ISR & (RTC_Alarm >> 8)) == RESET)
+ {
+ status = ERROR;
+ }
+ else
+ {
+ status = SUCCESS;
+ }
+ }
+
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+
+ return status;
+}
+
+/**
+ * @brief Configure the RTC AlarmA/B Subseconds value and mask.
+ * @note This function is performed only when the Alarm is disabled.
+ * @param RTC_Alarm: specifies the alarm to be configured.
+ * This parameter can be one of the following values:
+ * @arg RTC_Alarm_A: to select Alarm A
+ * @param RTC_AlarmSubSecondValue: specifies the Subseconds value.
+ * This parameter can be a value from 0 to 0x00007FFF.
+ * @param RTC_AlarmSubSecondMask: specifies the Subseconds Mask.
+ * This parameter can be any combination of the following values:
+ * @arg RTC_AlarmSubSecondMask_All: All Alarm SS fields are masked.
+ * There is no comparison on sub seconds for Alarm.
+ * @arg RTC_AlarmSubSecondMask_SS14_1: SS[14:1] are don't care in Alarm comparison.
+ * Only SS[0] is compared
+ * @arg RTC_AlarmSubSecondMask_SS14_2: SS[14:2] are don't care in Alarm comparison.
+ * Only SS[1:0] are compared
+ * @arg RTC_AlarmSubSecondMask_SS14_3: SS[14:3] are don't care in Alarm comparison.
+ * Only SS[2:0] are compared
+ * @arg RTC_AlarmSubSecondMask_SS14_4: SS[14:4] are don't care in Alarm comparison.
+ * Only SS[3:0] are compared
+ * @arg RTC_AlarmSubSecondMask_SS14_5: SS[14:5] are don't care in Alarm comparison.
+ * Only SS[4:0] are compared
+ * @arg RTC_AlarmSubSecondMask_SS14_6: SS[14:6] are don't care in Alarm comparison.
+ * Only SS[5:0] are compared
+ * @arg RTC_AlarmSubSecondMask_SS14_7: SS[14:7] are don't care in Alarm comparison.
+ * Only SS[6:0] are compared
+ * @arg RTC_AlarmSubSecondMask_SS14_8: SS[14:8] are don't care in Alarm comparison.
+ * Only SS[7:0] are compared
+ * @arg RTC_AlarmSubSecondMask_SS14_9: SS[14:9] are don't care in Alarm comparison.
+ * Only SS[8:0] are compared
+ * @arg RTC_AlarmSubSecondMask_SS14_10: SS[14:10] are don't care in Alarm comparison.
+ * Only SS[9:0] are compared
+ * @arg RTC_AlarmSubSecondMask_SS14_11: SS[14:11] are don't care in Alarm comparison.
+ * Only SS[10:0] are compared
+ * @arg RTC_AlarmSubSecondMask_SS14_12: SS[14:12] are don't care in Alarm comparison.
+ * Only SS[11:0] are compared
+ * @arg RTC_AlarmSubSecondMask_SS14_13: SS[14:13] are don't care in Alarm comparison.
+ * Only SS[12:0] are compared
+ * @arg RTC_AlarmSubSecondMask_SS14: SS[14] is don't care in Alarm comparison.
+ * Only SS[13:0] are compared
+ * @arg RTC_AlarmSubSecondMask_None: SS[14:0] are compared and must match to activate alarm
+ * @retval None
+ */
+void RTC_AlarmSubSecondConfig(uint32_t RTC_Alarm, uint32_t RTC_AlarmSubSecondValue, uint8_t RTC_AlarmSubSecondMask)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RTC_ALARM(RTC_Alarm));
+ assert_param(IS_RTC_ALARM_SUB_SECOND_VALUE(RTC_AlarmSubSecondValue));
+ assert_param(IS_RTC_ALARM_SUB_SECOND_MASK(RTC_AlarmSubSecondMask));
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ /* Configure the Alarm A or Alarm B SubSecond registers */
+ tmpreg = (uint32_t) (((uint32_t)(RTC_AlarmSubSecondValue)) | ((uint32_t)(RTC_AlarmSubSecondMask) << 24));
+
+ /* Configure the AlarmA SubSecond register */
+ RTC->ALRMASSR = tmpreg;
+
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+
+}
+
+/**
+ * @brief Gets the RTC Alarm Subseconds value.
+ * @param RTC_Alarm: specifies the alarm to be read.
+ * This parameter can be one of the following values:
+ * @arg RTC_Alarm_A: to select Alarm A
+ * @param None
+ * @retval RTC Alarm Subseconds value.
+ */
+uint32_t RTC_GetAlarmSubSecond(uint32_t RTC_Alarm)
+{
+ uint32_t tmpreg = 0;
+
+ /* Get the RTC_ALRMAR register */
+ tmpreg = (uint32_t)((RTC->ALRMASSR) & RTC_ALRMASSR_SS);
+
+ return (tmpreg);
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Group4 WakeUp Timer configuration functions
+ * @brief WakeUp Timer configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### WakeUp Timer configuration functions #####
+ ===============================================================================
+
+ [..] This section provide functions allowing to program and read the RTC WakeUp.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Configures the RTC Wakeup clock source.
+ * This function is available for STM32F072 devices.
+ * @note The WakeUp Clock source can only be changed when the RTC WakeUp
+ * is disabled (Use the RTC_WakeUpCmd(DISABLE)).
+ * @param RTC_WakeUpClock: Wakeup Clock source.
+ * This parameter can be one of the following values:
+ * @arg RTC_WakeUpClock_RTCCLK_Div16
+ * @arg RTC_WakeUpClock_RTCCLK_Div8
+ * @arg RTC_WakeUpClock_RTCCLK_Div4
+ * @arg RTC_WakeUpClock_RTCCLK_Div2
+ * @arg RTC_WakeUpClock_CK_SPRE_16bits
+ * @arg RTC_WakeUpClock_CK_SPRE_17bits
+ * @retval None
+ */
+void RTC_WakeUpClockConfig(uint32_t RTC_WakeUpClock)
+{
+ /* Check the parameters */
+ assert_param(IS_RTC_WAKEUP_CLOCK(RTC_WakeUpClock));
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ /* Clear the Wakeup Timer clock source bits in CR register */
+ RTC->CR &= (uint32_t)~RTC_CR_WUCKSEL;
+
+ /* Configure the clock source */
+ RTC->CR |= (uint32_t)RTC_WakeUpClock;
+
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+}
+
+/**
+ * @brief Configures the RTC Wakeup counter.
+ * This function is available for STM32F072 devices.
+ * @note The RTC WakeUp counter can only be written when the RTC WakeUp
+ * is disabled (Use the RTC_WakeUpCmd(DISABLE)).
+ * @param RTC_WakeUpCounter: specifies the WakeUp counter.
+ * This parameter can be a value from 0x0000 to 0xFFFF.
+ * @retval None
+ */
+void RTC_SetWakeUpCounter(uint32_t RTC_WakeUpCounter)
+{
+ /* Check the parameters */
+ assert_param(IS_RTC_WAKEUP_COUNTER(RTC_WakeUpCounter));
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ /* Configure the Wakeup Timer counter */
+ RTC->WUTR = (uint32_t)RTC_WakeUpCounter;
+
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+}
+
+/**
+ * @brief Returns the RTC WakeUp timer counter value.
+ * This function is available for STM32F072 devices.
+ * @param None
+ * @retval The RTC WakeUp Counter value.
+ */
+uint32_t RTC_GetWakeUpCounter(void)
+{
+ /* Get the counter value */
+ return ((uint32_t)(RTC->WUTR & RTC_WUTR_WUT));
+}
+
+/**
+ * @brief Enables or Disables the RTC WakeUp timer.
+ * This function is available for STM32F072 devices.
+ * @param NewState: new state of the WakeUp timer.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+ErrorStatus RTC_WakeUpCmd(FunctionalState NewState)
+{
+ __IO uint32_t wutcounter = 0x00;
+ uint32_t wutwfstatus = 0x00;
+ ErrorStatus status = ERROR;
+
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the Wakeup Timer */
+ RTC->CR |= (uint32_t)RTC_CR_WUTE;
+ status = SUCCESS;
+ }
+ else
+ {
+ /* Disable the Wakeup Timer */
+ RTC->CR &= (uint32_t)~RTC_CR_WUTE;
+ /* Wait till RTC WUTWF flag is set and if Time out is reached exit */
+ do
+ {
+ wutwfstatus = RTC->ISR & RTC_ISR_WUTWF;
+ wutcounter++;
+ } while((wutcounter != INITMODE_TIMEOUT) && (wutwfstatus == 0x00));
+
+ if ((RTC->ISR & RTC_ISR_WUTWF) == RESET)
+ {
+ status = ERROR;
+ }
+ else
+ {
+ status = SUCCESS;
+ }
+ }
+
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+
+ return status;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Group5 Daylight Saving configuration functions
+ * @brief Daylight Saving configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### WakeUp Timer configuration functions #####
+ ===============================================================================
+ [..] This section provide functions allowing to program and read the RTC WakeUp.
+
+ This section provide functions allowing to configure the RTC DayLight Saving.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Adds or substract one hour from the current time.
+ * @param RTC_DayLightSaveOperation: the value of hour adjustment.
+ * This parameter can be one of the following values:
+ * @arg RTC_DayLightSaving_SUB1H: Substract one hour (winter time)
+ * @arg RTC_DayLightSaving_ADD1H: Add one hour (summer time)
+ * @param RTC_StoreOperation: Specifies the value to be written in the BCK bit
+ * in CR register to store the operation.
+ * This parameter can be one of the following values:
+ * @arg RTC_StoreOperation_Reset: BCK Bit Reset
+ * @arg RTC_StoreOperation_Set: BCK Bit Set
+ * @retval None
+ */
+void RTC_DayLightSavingConfig(uint32_t RTC_DayLightSaving, uint32_t RTC_StoreOperation)
+{
+ /* Check the parameters */
+ assert_param(IS_RTC_DAYLIGHT_SAVING(RTC_DayLightSaving));
+ assert_param(IS_RTC_STORE_OPERATION(RTC_StoreOperation));
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ /* Clear the bits to be configured */
+ RTC->CR &= (uint32_t)~(RTC_CR_BCK);
+
+ /* Configure the RTC_CR register */
+ RTC->CR |= (uint32_t)(RTC_DayLightSaving | RTC_StoreOperation);
+
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+}
+
+/**
+ * @brief Returns the RTC Day Light Saving stored operation.
+ * @param None
+ * @retval RTC Day Light Saving stored operation.
+ * - RTC_StoreOperation_Reset
+ * - RTC_StoreOperation_Set
+ */
+uint32_t RTC_GetStoreOperation(void)
+{
+ return (RTC->CR & RTC_CR_BCK);
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Group6 Output pin Configuration function
+ * @brief Output pin Configuration function
+ *
+@verbatim
+ ===============================================================================
+ ##### Output pin Configuration function #####
+ ===============================================================================
+ [..] This section provide functions allowing to configure the RTC Output source.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Configures the RTC output source (AFO_ALARM).
+ * @param RTC_Output: Specifies which signal will be routed to the RTC output.
+ * This parameter can be one of the following values:
+ * @arg RTC_Output_Disable: No output selected
+ * @arg RTC_Output_AlarmA: signal of AlarmA mapped to output
+ * @arg RTC_Output_WakeUp: signal of WakeUp mapped to output, available only for STM32F072 devices
+ * @param RTC_OutputPolarity: Specifies the polarity of the output signal.
+ * This parameter can be one of the following:
+ * @arg RTC_OutputPolarity_High: The output pin is high when the
+ * ALRAF is high (depending on OSEL)
+ * @arg RTC_OutputPolarity_Low: The output pin is low when the
+ * ALRAF is high (depending on OSEL)
+ * @retval None
+ */
+void RTC_OutputConfig(uint32_t RTC_Output, uint32_t RTC_OutputPolarity)
+{
+ /* Check the parameters */
+ assert_param(IS_RTC_OUTPUT(RTC_Output));
+ assert_param(IS_RTC_OUTPUT_POL(RTC_OutputPolarity));
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ /* Clear the bits to be configured */
+ RTC->CR &= (uint32_t)~(RTC_CR_OSEL | RTC_CR_POL);
+
+ /* Configure the output selection and polarity */
+ RTC->CR |= (uint32_t)(RTC_Output | RTC_OutputPolarity);
+
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Group7 Digital Calibration configuration functions
+ * @brief Digital Calibration configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Digital Calibration configuration functions #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the RTC clock to be output through the relative pin.
+ * @param NewState: new state of the digital calibration Output.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RTC_CalibOutputCmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the RTC clock output */
+ RTC->CR |= (uint32_t)RTC_CR_COE;
+ }
+ else
+ {
+ /* Disable the RTC clock output */
+ RTC->CR &= (uint32_t)~RTC_CR_COE;
+ }
+
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+}
+
+/**
+ * @brief Configure the Calibration Pinout (RTC_CALIB) Selection (1Hz or 512Hz).
+ * @param RTC_CalibOutput: Select the Calibration output Selection .
+ * This parameter can be one of the following values:
+ * @arg RTC_CalibOutput_512Hz: A signal has a regular waveform at 512Hz.
+ * @arg RTC_CalibOutput_1Hz: A signal has a regular waveform at 1Hz.
+ * @retval None
+*/
+void RTC_CalibOutputConfig(uint32_t RTC_CalibOutput)
+{
+ /* Check the parameters */
+ assert_param(IS_RTC_CALIB_OUTPUT(RTC_CalibOutput));
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ /*clear flags before config*/
+ RTC->CR &= (uint32_t)~(RTC_CR_CALSEL);
+
+ /* Configure the RTC_CR register */
+ RTC->CR |= (uint32_t)RTC_CalibOutput;
+
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+}
+
+/**
+ * @brief Configures the Smooth Calibration Settings.
+ * @param RTC_SmoothCalibPeriod: Select the Smooth Calibration Period.
+ * This parameter can be can be one of the following values:
+ * @arg RTC_SmoothCalibPeriod_32sec: The smooth calibration periode is 32s.
+ * @arg RTC_SmoothCalibPeriod_16sec: The smooth calibration periode is 16s.
+ * @arg RTC_SmoothCalibPeriod_8sec: The smooth calibartion periode is 8s.
+ * @param RTC_SmoothCalibPlusPulses: Select to Set or reset the CALP bit.
+ * This parameter can be one of the following values:
+ * @arg RTC_SmoothCalibPlusPulses_Set: Add one RTCCLK puls every 2**11 pulses.
+ * @arg RTC_SmoothCalibPlusPulses_Reset: No RTCCLK pulses are added.
+ * @param RTC_SmouthCalibMinusPulsesValue: Select the value of CALM[8:0] bits.
+ * This parameter can be one any value from 0 to 0x000001FF.
+ * @retval An ErrorStatus enumeration value:
+ * - SUCCESS: RTC Calib registers are configured
+ * - ERROR: RTC Calib registers are not configured
+*/
+ErrorStatus RTC_SmoothCalibConfig(uint32_t RTC_SmoothCalibPeriod,
+ uint32_t RTC_SmoothCalibPlusPulses,
+ uint32_t RTC_SmouthCalibMinusPulsesValue)
+{
+ ErrorStatus status = ERROR;
+ uint32_t recalpfcount = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RTC_SMOOTH_CALIB_PERIOD(RTC_SmoothCalibPeriod));
+ assert_param(IS_RTC_SMOOTH_CALIB_PLUS(RTC_SmoothCalibPlusPulses));
+ assert_param(IS_RTC_SMOOTH_CALIB_MINUS(RTC_SmouthCalibMinusPulsesValue));
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ /* check if a calibration is pending*/
+ if ((RTC->ISR & RTC_ISR_RECALPF) != RESET)
+ {
+ /* wait until the Calibration is completed*/
+ while (((RTC->ISR & RTC_ISR_RECALPF) != RESET) && (recalpfcount != RECALPF_TIMEOUT))
+ {
+ recalpfcount++;
+ }
+ }
+
+ /* check if the calibration pending is completed or if there is no calibration operation at all*/
+ if ((RTC->ISR & RTC_ISR_RECALPF) == RESET)
+ {
+ /* Configure the Smooth calibration settings */
+ RTC->CALR = (uint32_t)((uint32_t)RTC_SmoothCalibPeriod | (uint32_t)RTC_SmoothCalibPlusPulses | (uint32_t)RTC_SmouthCalibMinusPulsesValue);
+
+ status = SUCCESS;
+ }
+ else
+ {
+ status = ERROR;
+ }
+
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+
+ return (ErrorStatus)(status);
+}
+
+/**
+ * @}
+ */
+
+
+/** @defgroup RTC_Group8 TimeStamp configuration functions
+ * @brief TimeStamp configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### TimeStamp configuration functions #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or Disables the RTC TimeStamp functionality with the
+ * specified time stamp pin stimulating edge.
+ * @param RTC_TimeStampEdge: Specifies the pin edge on which the TimeStamp is
+ * activated.
+ * This parameter can be one of the following:
+ * @arg RTC_TimeStampEdge_Rising: the Time stamp event occurs on the rising
+ * edge of the related pin.
+ * @arg RTC_TimeStampEdge_Falling: the Time stamp event occurs on the
+ * falling edge of the related pin.
+ * @param NewState: new state of the TimeStamp.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RTC_TimeStampCmd(uint32_t RTC_TimeStampEdge, FunctionalState NewState)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RTC_TIMESTAMP_EDGE(RTC_TimeStampEdge));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ /* Get the RTC_CR register and clear the bits to be configured */
+ tmpreg = (uint32_t)(RTC->CR & (uint32_t)~(RTC_CR_TSEDGE | RTC_CR_TSE));
+
+ /* Get the new configuration */
+ if (NewState != DISABLE)
+ {
+ tmpreg |= (uint32_t)(RTC_TimeStampEdge | RTC_CR_TSE);
+ }
+ else
+ {
+ tmpreg |= (uint32_t)(RTC_TimeStampEdge);
+ }
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ /* Configure the Time Stamp TSEDGE and Enable bits */
+ RTC->CR = (uint32_t)tmpreg;
+
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+}
+
+/**
+ * @brief Get the RTC TimeStamp value and masks.
+ * @param RTC_Format: specifies the format of the output parameters.
+ * This parameter can be one of the following values:
+ * @arg RTC_Format_BIN: Binary data format
+ * @arg RTC_Format_BCD: BCD data format
+ * @param RTC_StampTimeStruct: pointer to a RTC_TimeTypeDef structure that will
+ * contains the TimeStamp time values.
+ * @param RTC_StampDateStruct: pointer to a RTC_DateTypeDef structure that will
+ * contains the TimeStamp date values.
+ * @retval None
+ */
+void RTC_GetTimeStamp(uint32_t RTC_Format, RTC_TimeTypeDef* RTC_StampTimeStruct,
+ RTC_DateTypeDef* RTC_StampDateStruct)
+{
+ uint32_t tmptime = 0, tmpdate = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RTC_FORMAT(RTC_Format));
+
+ /* Get the TimeStamp time and date registers values */
+ tmptime = (uint32_t)(RTC->TSTR & RTC_TR_RESERVED_MASK);
+ tmpdate = (uint32_t)(RTC->TSDR & RTC_DR_RESERVED_MASK);
+
+ /* Fill the Time structure fields with the read parameters */
+ RTC_StampTimeStruct->RTC_Hours = (uint8_t)((tmptime & (RTC_TR_HT | RTC_TR_HU)) >> 16);
+ RTC_StampTimeStruct->RTC_Minutes = (uint8_t)((tmptime & (RTC_TR_MNT | RTC_TR_MNU)) >> 8);
+ RTC_StampTimeStruct->RTC_Seconds = (uint8_t)(tmptime & (RTC_TR_ST | RTC_TR_SU));
+ RTC_StampTimeStruct->RTC_H12 = (uint8_t)((tmptime & (RTC_TR_PM)) >> 16);
+
+ /* Fill the Date structure fields with the read parameters */
+ RTC_StampDateStruct->RTC_Year = 0;
+ RTC_StampDateStruct->RTC_Month = (uint8_t)((tmpdate & (RTC_DR_MT | RTC_DR_MU)) >> 8);
+ RTC_StampDateStruct->RTC_Date = (uint8_t)(tmpdate & (RTC_DR_DT | RTC_DR_DU));
+ RTC_StampDateStruct->RTC_WeekDay = (uint8_t)((tmpdate & (RTC_DR_WDU)) >> 13);
+
+ /* Check the input parameters format */
+ if (RTC_Format == RTC_Format_BIN)
+ {
+ /* Convert the Time structure parameters to Binary format */
+ RTC_StampTimeStruct->RTC_Hours = (uint8_t)RTC_Bcd2ToByte(RTC_StampTimeStruct->RTC_Hours);
+ RTC_StampTimeStruct->RTC_Minutes = (uint8_t)RTC_Bcd2ToByte(RTC_StampTimeStruct->RTC_Minutes);
+ RTC_StampTimeStruct->RTC_Seconds = (uint8_t)RTC_Bcd2ToByte(RTC_StampTimeStruct->RTC_Seconds);
+
+ /* Convert the Date structure parameters to Binary format */
+ RTC_StampDateStruct->RTC_Month = (uint8_t)RTC_Bcd2ToByte(RTC_StampDateStruct->RTC_Month);
+ RTC_StampDateStruct->RTC_Date = (uint8_t)RTC_Bcd2ToByte(RTC_StampDateStruct->RTC_Date);
+ RTC_StampDateStruct->RTC_WeekDay = (uint8_t)RTC_Bcd2ToByte(RTC_StampDateStruct->RTC_WeekDay);
+ }
+}
+
+/**
+ * @brief Get the RTC timestamp Subseconds value.
+ * @param None
+ * @retval RTC current timestamp Subseconds value.
+ */
+uint32_t RTC_GetTimeStampSubSecond(void)
+{
+ /* Get timestamp subseconds values from the correspondent registers */
+ return (uint32_t)(RTC->TSSSR);
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Group9 Tampers configuration functions
+ * @brief Tampers configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Tampers configuration functions #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Configures the select Tamper pin edge.
+ * @param RTC_Tamper: Selected tamper pin.
+ * This parameter can be any combination of the following values:
+ * @arg RTC_Tamper_1: Select Tamper 1.
+ * @arg RTC_Tamper_2: Select Tamper 2.
+ * @param RTC_TamperTrigger: Specifies the trigger on the tamper pin that
+ * stimulates tamper event.
+ * This parameter can be one of the following values:
+ * @arg RTC_TamperTrigger_RisingEdge: Rising Edge of the tamper pin causes tamper event.
+ * @arg RTC_TamperTrigger_FallingEdge: Falling Edge of the tamper pin causes tamper event.
+ * @arg RTC_TamperTrigger_LowLevel: Low Level of the tamper pin causes tamper event.
+ * @arg RTC_TamperTrigger_HighLevel: High Level of the tamper pin causes tamper event.
+ * @retval None
+ */
+void RTC_TamperTriggerConfig(uint32_t RTC_Tamper, uint32_t RTC_TamperTrigger)
+{
+ /* Check the parameters */
+ assert_param(IS_RTC_TAMPER(RTC_Tamper));
+ assert_param(IS_RTC_TAMPER_TRIGGER(RTC_TamperTrigger));
+
+ if (RTC_TamperTrigger == RTC_TamperTrigger_RisingEdge)
+ {
+ /* Configure the RTC_TAFCR register */
+ RTC->TAFCR &= (uint32_t)((uint32_t)~(RTC_Tamper << 1));
+ }
+ else
+ {
+ /* Configure the RTC_TAFCR register */
+ RTC->TAFCR |= (uint32_t)(RTC_Tamper << 1);
+ }
+}
+
+/**
+ * @brief Enables or Disables the Tamper detection.
+ * @param RTC_Tamper: Selected tamper pin.
+ * This parameter can be any combination of the following values:
+ * @arg RTC_Tamper_1: Select Tamper 1.
+ * @arg RTC_Tamper_2: Select Tamper 2.
+ * @param NewState: new state of the tamper pin.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RTC_TamperCmd(uint32_t RTC_Tamper, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_RTC_TAMPER(RTC_Tamper));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected Tamper pin */
+ RTC->TAFCR |= (uint32_t)RTC_Tamper;
+ }
+ else
+ {
+ /* Disable the selected Tamper pin */
+ RTC->TAFCR &= (uint32_t)~RTC_Tamper;
+ }
+}
+
+/**
+ * @brief Configures the Tampers Filter.
+ * @param RTC_TamperFilter: Specifies the tampers filter.
+ * This parameter can be one of the following values:
+ * @arg RTC_TamperFilter_Disable: Tamper filter is disabled.
+ * @arg RTC_TamperFilter_2Sample: Tamper is activated after 2 consecutive
+ * samples at the active level
+ * @arg RTC_TamperFilter_4Sample: Tamper is activated after 4 consecutive
+ * samples at the active level
+ * @arg RTC_TamperFilter_8Sample: Tamper is activated after 8 consecutive
+ * samples at the active level
+ * @retval None
+ */
+void RTC_TamperFilterConfig(uint32_t RTC_TamperFilter)
+{
+ /* Check the parameters */
+ assert_param(IS_RTC_TAMPER_FILTER(RTC_TamperFilter));
+
+ /* Clear TAMPFLT[1:0] bits in the RTC_TAFCR register */
+ RTC->TAFCR &= (uint32_t)~(RTC_TAFCR_TAMPFLT);
+
+ /* Configure the RTC_TAFCR register */
+ RTC->TAFCR |= (uint32_t)RTC_TamperFilter;
+}
+
+/**
+ * @brief Configures the Tampers Sampling Frequency.
+ * @param RTC_TamperSamplingFreq: Specifies the tampers Sampling Frequency.
+ * This parameter can be one of the following values:
+ * @arg RTC_TamperSamplingFreq_RTCCLK_Div32768: Each of the tamper inputs are sampled
+ * with a frequency = RTCCLK / 32768
+ * @arg RTC_TamperSamplingFreq_RTCCLK_Div16384: Each of the tamper inputs are sampled
+ * with a frequency = RTCCLK / 16384
+ * @arg RTC_TamperSamplingFreq_RTCCLK_Div8192: Each of the tamper inputs are sampled
+ * with a frequency = RTCCLK / 8192
+ * @arg RTC_TamperSamplingFreq_RTCCLK_Div4096: Each of the tamper inputs are sampled
+ * with a frequency = RTCCLK / 4096
+ * @arg RTC_TamperSamplingFreq_RTCCLK_Div2048: Each of the tamper inputs are sampled
+ * with a frequency = RTCCLK / 2048
+ * @arg RTC_TamperSamplingFreq_RTCCLK_Div1024: Each of the tamper inputs are sampled
+ * with a frequency = RTCCLK / 1024
+ * @arg RTC_TamperSamplingFreq_RTCCLK_Div512: Each of the tamper inputs are sampled
+ * with a frequency = RTCCLK / 512
+ * @arg RTC_TamperSamplingFreq_RTCCLK_Div256: Each of the tamper inputs are sampled
+ * with a frequency = RTCCLK / 256
+ * @retval None
+ */
+void RTC_TamperSamplingFreqConfig(uint32_t RTC_TamperSamplingFreq)
+{
+ /* Check the parameters */
+ assert_param(IS_RTC_TAMPER_SAMPLING_FREQ(RTC_TamperSamplingFreq));
+
+ /* Clear TAMPFREQ[2:0] bits in the RTC_TAFCR register */
+ RTC->TAFCR &= (uint32_t)~(RTC_TAFCR_TAMPFREQ);
+
+ /* Configure the RTC_TAFCR register */
+ RTC->TAFCR |= (uint32_t)RTC_TamperSamplingFreq;
+}
+
+/**
+ * @brief Configures the Tampers Pins input Precharge Duration.
+ * @param RTC_TamperPrechargeDuration: Specifies the Tampers Pins input
+ * Precharge Duration.
+ * This parameter can be one of the following values:
+ * @arg RTC_TamperPrechargeDuration_1RTCCLK: Tamper pins are pre-charged before sampling during 1 RTCCLK cycle
+ * @arg RTC_TamperPrechargeDuration_2RTCCLK: Tamper pins are pre-charged before sampling during 2 RTCCLK cycle
+ * @arg RTC_TamperPrechargeDuration_4RTCCLK: Tamper pins are pre-charged before sampling during 4 RTCCLK cycle
+ * @arg RTC_TamperPrechargeDuration_8RTCCLK: Tamper pins are pre-charged before sampling during 8 RTCCLK cycle
+ * @retval None
+ */
+void RTC_TamperPinsPrechargeDuration(uint32_t RTC_TamperPrechargeDuration)
+{
+ /* Check the parameters */
+ assert_param(IS_RTC_TAMPER_PRECHARGE_DURATION(RTC_TamperPrechargeDuration));
+
+ /* Clear TAMPPRCH[1:0] bits in the RTC_TAFCR register */
+ RTC->TAFCR &= (uint32_t)~(RTC_TAFCR_TAMPPRCH);
+
+ /* Configure the RTC_TAFCR register */
+ RTC->TAFCR |= (uint32_t)RTC_TamperPrechargeDuration;
+}
+
+/**
+ * @brief Enables or Disables the TimeStamp on Tamper Detection Event.
+ * @note The timestamp is valid even the TSE bit in tamper control register
+ * is reset.
+ * @param NewState: new state of the timestamp on tamper event.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RTC_TimeStampOnTamperDetectionCmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Save timestamp on tamper detection event */
+ RTC->TAFCR |= (uint32_t)RTC_TAFCR_TAMPTS;
+ }
+ else
+ {
+ /* Tamper detection does not cause a timestamp to be saved */
+ RTC->TAFCR &= (uint32_t)~RTC_TAFCR_TAMPTS;
+ }
+}
+
+/**
+ * @brief Enables or Disables the Precharge of Tamper pin.
+ * @param NewState: new state of tamper pull up.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RTC_TamperPullUpCmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable precharge of the selected Tamper pin */
+ RTC->TAFCR &= (uint32_t)~RTC_TAFCR_TAMPPUDIS;
+ }
+ else
+ {
+ /* Disable precharge of the selected Tamper pin */
+ RTC->TAFCR |= (uint32_t)RTC_TAFCR_TAMPPUDIS;
+ }
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Group10 Backup Data Registers configuration functions
+ * @brief Backup Data Registers configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Backup Data Registers configuration functions #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Writes a data in a specified RTC Backup data register.
+ * @param RTC_BKP_DR: RTC Backup data Register number.
+ * This parameter can be: RTC_BKP_DRx where x can be from 0 to 4 to
+ * specify the register.
+ * @param Data: Data to be written in the specified RTC Backup data register.
+ * @retval None
+ */
+void RTC_WriteBackupRegister(uint32_t RTC_BKP_DR, uint32_t Data)
+{
+ __IO uint32_t tmp = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RTC_BKP(RTC_BKP_DR));
+
+ tmp = RTC_BASE + 0x50;
+ tmp += (RTC_BKP_DR * 4);
+
+ /* Write the specified register */
+ *(__IO uint32_t *)tmp = (uint32_t)Data;
+}
+
+/**
+ * @brief Reads data from the specified RTC Backup data Register.
+ * @param RTC_BKP_DR: RTC Backup data Register number.
+ * This parameter can be: RTC_BKP_DRx where x can be from 0 to 19 to
+ * specify the register.
+ * @retval None
+ */
+uint32_t RTC_ReadBackupRegister(uint32_t RTC_BKP_DR)
+{
+ __IO uint32_t tmp = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RTC_BKP(RTC_BKP_DR));
+
+ tmp = RTC_BASE + 0x50;
+ tmp += (RTC_BKP_DR * 4);
+
+ /* Read the specified register */
+ return (*(__IO uint32_t *)tmp);
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Group11 Output Type Config configuration functions
+ * @brief Output Type Config configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Output Type Config configuration functions #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Configures the RTC Output Pin mode.
+ * @param RTC_OutputType: specifies the RTC Output (PC13) pin mode.
+ * This parameter can be one of the following values:
+ * @arg RTC_OutputType_OpenDrain: RTC Output (PC13) is configured in
+ * Open Drain mode.
+ * @arg RTC_OutputType_PushPull: RTC Output (PC13) is configured in
+ * Push Pull mode.
+ * @retval None
+ */
+void RTC_OutputTypeConfig(uint32_t RTC_OutputType)
+{
+ /* Check the parameters */
+ assert_param(IS_RTC_OUTPUT_TYPE(RTC_OutputType));
+
+ RTC->TAFCR &= (uint32_t)~(RTC_TAFCR_ALARMOUTTYPE);
+ RTC->TAFCR |= (uint32_t)(RTC_OutputType);
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Group12 Shift control synchronisation functions
+ * @brief Shift control synchronisation functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Shift control synchronisation functions #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Configures the Synchronization Shift Control Settings.
+ * @note When REFCKON is set, firmware must not write to Shift control register
+ * @param RTC_ShiftAdd1S: Select to add or not 1 second to the time Calendar.
+ * This parameter can be one of the following values :
+ * @arg RTC_ShiftAdd1S_Set: Add one second to the clock calendar.
+ * @arg RTC_ShiftAdd1S_Reset: No effect.
+ * @param RTC_ShiftSubFS: Select the number of Second Fractions to Substitute.
+ * This parameter can be one any value from 0 to 0x7FFF.
+ * @retval An ErrorStatus enumeration value:
+ * - SUCCESS: RTC Shift registers are configured
+ * - ERROR: RTC Shift registers are not configured
+*/
+ErrorStatus RTC_SynchroShiftConfig(uint32_t RTC_ShiftAdd1S, uint32_t RTC_ShiftSubFS)
+{
+ ErrorStatus status = ERROR;
+ uint32_t shpfcount = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RTC_SHIFT_ADD1S(RTC_ShiftAdd1S));
+ assert_param(IS_RTC_SHIFT_SUBFS(RTC_ShiftSubFS));
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ /* Check if a Shift is pending*/
+ if ((RTC->ISR & RTC_ISR_SHPF) != RESET)
+ {
+ /* Wait until the shift is completed*/
+ while (((RTC->ISR & RTC_ISR_SHPF) != RESET) && (shpfcount != SHPF_TIMEOUT))
+ {
+ shpfcount++;
+ }
+ }
+
+ /* Check if the Shift pending is completed or if there is no Shift operation at all*/
+ if ((RTC->ISR & RTC_ISR_SHPF) == RESET)
+ {
+ /* check if the reference clock detection is disabled */
+ if((RTC->CR & RTC_CR_REFCKON) == RESET)
+ {
+ /* Configure the Shift settings */
+ RTC->SHIFTR = (uint32_t)(uint32_t)(RTC_ShiftSubFS) | (uint32_t)(RTC_ShiftAdd1S);
+
+ if(RTC_WaitForSynchro() == ERROR)
+ {
+ status = ERROR;
+ }
+ else
+ {
+ status = SUCCESS;
+ }
+ }
+ else
+ {
+ status = ERROR;
+ }
+ }
+ else
+ {
+ status = ERROR;
+ }
+
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+
+ return (ErrorStatus)(status);
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Group13 Interrupts and flags management functions
+ * @brief Interrupts and flags management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Interrupts and flags management functions #####
+ ===============================================================================
+ [..] All RTC interrupts are connected to the EXTI controller.
+
+ (+) To enable the RTC Alarm interrupt, the following sequence is required:
+ (++) Configure and enable the EXTI Line 17 in interrupt mode and select the rising
+ edge sensitivity using the EXTI_Init() function.
+ (++) Configure and enable the RTC_Alarm IRQ channel in the NVIC using the NVIC_Init()
+ function.
+ (++) Configure the RTC to generate RTC alarms (Alarm A) using
+ the RTC_SetAlarm() and RTC_AlarmCmd() functions.
+
+ (+) To enable the RTC Tamper interrupt, the following sequence is required:
+ (++) Configure and enable the EXTI Line 19 in interrupt mode and select the rising
+ edge sensitivity using the EXTI_Init() function.
+ (++) Configure and enable the TAMP_STAMP IRQ channel in the NVIC using the NVIC_Init()
+ function.
+ (++) Configure the RTC to detect the RTC tamper event using the
+ RTC_TamperTriggerConfig() and RTC_TamperCmd() functions.
+
+ (+) To enable the RTC TimeStamp interrupt, the following sequence is required:
+ (++) Configure and enable the EXTI Line 19 in interrupt mode and select the rising
+ edge sensitivity using the EXTI_Init() function.
+ (++) Configure and enable the TAMP_STAMP IRQ channel in the NVIC using the NVIC_Init()
+ function.
+ (++) Configure the RTC to detect the RTC time-stamp event using the
+ RTC_TimeStampCmd() functions.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the specified RTC interrupts.
+ * @param RTC_IT: specifies the RTC interrupt sources to be enabled or disabled.
+ * This parameter can be any combination of the following values:
+ * @arg RTC_IT_TS: Time Stamp interrupt mask
+ * @arg RTC_IT_WUT: WakeUp Timer interrupt mask, available only for STM32F072 devices
+ * @arg RTC_IT_ALRA: Alarm A interrupt mask
+ * @arg RTC_IT_TAMP: Tamper event interrupt mask
+ * @param NewState: new state of the specified RTC interrupts.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RTC_ITConfig(uint32_t RTC_IT, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_RTC_CONFIG_IT(RTC_IT));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ if (NewState != DISABLE)
+ {
+ /* Configure the Interrupts in the RTC_CR register */
+ RTC->CR |= (uint32_t)(RTC_IT & ~RTC_TAFCR_TAMPIE);
+ /* Configure the Tamper Interrupt in the RTC_TAFCR */
+ RTC->TAFCR |= (uint32_t)(RTC_IT & RTC_TAFCR_TAMPIE);
+ }
+ else
+ {
+ /* Configure the Interrupts in the RTC_CR register */
+ RTC->CR &= (uint32_t)~(RTC_IT & (uint32_t)~RTC_TAFCR_TAMPIE);
+ /* Configure the Tamper Interrupt in the RTC_TAFCR */
+ RTC->TAFCR &= (uint32_t)~(RTC_IT & RTC_TAFCR_TAMPIE);
+ }
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+}
+
+/**
+ * @brief Checks whether the specified RTC flag is set or not.
+ * @param RTC_FLAG: specifies the flag to check.
+ * This parameter can be one of the following values:
+ * @arg RTC_FLAG_RECALPF: RECALPF event flag
+ * @arg RTC_FLAG_TAMP2F: Tamper 2 event flag
+ * @arg RTC_FLAG_TAMP1F: Tamper 1 event flag
+ * @arg RTC_FLAG_TSOVF: Time Stamp OverFlow flag
+ * @arg RTC_FLAG_TSF: Time Stamp event flag
+ * @arg RTC_FLAG_WUTF: WakeUp Timer flag, available only for STM32F072 devices
+ * @arg RTC_FLAG_ALRAF: Alarm A flag
+ * @arg RTC_FLAG_INITF: Initialization mode flag
+ * @arg RTC_FLAG_RSF: Registers Synchronized flag
+ * @arg RTC_FLAG_INITS: Registers Configured flag
+ * @retval The new state of RTC_FLAG (SET or RESET).
+ */
+FlagStatus RTC_GetFlagStatus(uint32_t RTC_FLAG)
+{
+ FlagStatus bitstatus = RESET;
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RTC_GET_FLAG(RTC_FLAG));
+
+ /* Get all the flags */
+ tmpreg = (uint32_t)(RTC->ISR & RTC_FLAGS_MASK);
+
+ /* Return the status of the flag */
+ if ((tmpreg & RTC_FLAG) != (uint32_t)RESET)
+ {
+ bitstatus = SET;
+ }
+ else
+ {
+ bitstatus = RESET;
+ }
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the RTC's pending flags.
+ * @param RTC_FLAG: specifies the RTC flag to clear.
+ * This parameter can be any combination of the following values:
+ * @arg RTC_FLAG_TAMP2F: Tamper 2 event flag
+ * @arg RTC_FLAG_TAMP1F: Tamper 1 event flag
+ * @arg RTC_FLAG_TSOVF: Time Stamp Overflow flag
+ * @arg RTC_FLAG_TSF: Time Stamp event flag
+ * @arg RTC_FLAG_WUTF: WakeUp Timer flag, available only for STM32F072 devices
+ * @arg RTC_FLAG_ALRAF: Alarm A flag
+ * @arg RTC_FLAG_RSF: Registers Synchronized flag
+ * @retval None
+ */
+void RTC_ClearFlag(uint32_t RTC_FLAG)
+{
+ /* Check the parameters */
+ assert_param(IS_RTC_CLEAR_FLAG(RTC_FLAG));
+
+ /* Clear the Flags in the RTC_ISR register */
+ RTC->ISR = (uint32_t)((uint32_t)(~((RTC_FLAG | RTC_ISR_INIT)& 0x0001FFFF) | (uint32_t)(RTC->ISR & RTC_ISR_INIT)));
+}
+
+/**
+ * @brief Checks whether the specified RTC interrupt has occurred or not.
+ * @param RTC_IT: specifies the RTC interrupt source to check.
+ * This parameter can be one of the following values:
+ * @arg RTC_IT_TS: Time Stamp interrupt
+ * @arg RTC_IT_WUT: WakeUp Timer interrupt, available only for STM32F072 devices
+ * @arg RTC_IT_ALRA: Alarm A interrupt
+ * @arg RTC_IT_TAMP1: Tamper1 event interrupt
+ * @arg RTC_IT_TAMP2: Tamper2 event interrupt
+ * @retval The new state of RTC_IT (SET or RESET).
+ */
+ITStatus RTC_GetITStatus(uint32_t RTC_IT)
+{
+ ITStatus bitstatus = RESET;
+ uint32_t tmpreg = 0, enablestatus = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RTC_GET_IT(RTC_IT));
+
+ /* Get the TAMPER Interrupt enable bit and pending bit */
+ tmpreg = (uint32_t)(RTC->TAFCR & (RTC_TAFCR_TAMPIE));
+
+ /* Get the Interrupt enable Status */
+ enablestatus = (uint32_t)((RTC->CR & RTC_IT) | (tmpreg & ((RTC_IT >> (RTC_IT >> 18)) >> 15)));
+
+ /* Get the Interrupt pending bit */
+ tmpreg = (uint32_t)((RTC->ISR & (uint32_t)(RTC_IT >> 4)));
+
+ /* Get the status of the Interrupt */
+ if ((enablestatus != (uint32_t)RESET) && ((tmpreg & 0x0000FFFF) != (uint32_t)RESET))
+ {
+ bitstatus = SET;
+ }
+ else
+ {
+ bitstatus = RESET;
+ }
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the RTC's interrupt pending bits.
+ * @param RTC_IT: specifies the RTC interrupt pending bit to clear.
+ * This parameter can be any combination of the following values:
+ * @arg RTC_IT_TS: Time Stamp interrupt
+ * @arg RTC_IT_WUT: WakeUp Timer interrupt, available only for STM32F072 devices
+ * @arg RTC_IT_ALRA: Alarm A interrupt
+ * @arg RTC_IT_TAMP1: Tamper1 event interrupt
+ * @arg RTC_IT_TAMP2: Tamper2 event interrupt
+ * @retval None
+ */
+void RTC_ClearITPendingBit(uint32_t RTC_IT)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RTC_CLEAR_IT(RTC_IT));
+
+ /* Get the RTC_ISR Interrupt pending bits mask */
+ tmpreg = (uint32_t)(RTC_IT >> 4);
+
+ /* Clear the interrupt pending bits in the RTC_ISR register */
+ RTC->ISR = (uint32_t)((uint32_t)(~((tmpreg | RTC_ISR_INIT)& 0x0000FFFF) | (uint32_t)(RTC->ISR & RTC_ISR_INIT)));
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @brief Converts a 2 digit decimal to BCD format.
+ * @param Value: Byte to be converted.
+ * @retval Converted byte
+ */
+static uint8_t RTC_ByteToBcd2(uint8_t Value)
+{
+ uint8_t bcdhigh = 0;
+
+ while (Value >= 10)
+ {
+ bcdhigh++;
+ Value -= 10;
+ }
+
+ return ((uint8_t)(bcdhigh << 4) | Value);
+}
+
+/**
+ * @brief Convert from 2 digit BCD to Binary.
+ * @param Value: BCD value to be converted.
+ * @retval Converted word
+ */
+static uint8_t RTC_Bcd2ToByte(uint8_t Value)
+{
+ uint8_t tmp = 0;
+ tmp = ((uint8_t)(Value & (uint8_t)0xF0) >> (uint8_t)0x4) * 10;
+ return (tmp + (Value & (uint8_t)0x0F));
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_spi.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_spi.c
new file mode 100644
index 00000000..f57a82dc
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_spi.c
@@ -0,0 +1,1334 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_spi.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the Serial peripheral interface (SPI):
+ * + Initialization and Configuration
+ * + Data transfers functions
+ * + Hardware CRC Calculation
+ * + DMA transfers management
+ * + Interrupts and flags management
+ *
+ * @verbatim
+
+ ===============================================================================
+ ##### How to use this driver #####
+ ===============================================================================
+ [..]
+ (#) Enable peripheral clock using RCC_APB2PeriphClockCmd(RCC_APB2Periph_SPI1, ENABLE)
+ function for SPI1 or using RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2, ENABLE)
+ function for SPI2.
+
+ (#) Enable SCK, MOSI, MISO and NSS GPIO clocks using
+ RCC_AHBPeriphClockCmd() function.
+
+ (#) Peripherals alternate function:
+ (++) Connect the pin to the desired peripherals' Alternate
+ Function (AF) using GPIO_PinAFConfig() function.
+ (++) Configure the desired pin in alternate function by:
+ GPIO_InitStruct->GPIO_Mode = GPIO_Mode_AF.
+ (++) Select the type, pull-up/pull-down and output speed via
+ GPIO_PuPd, GPIO_OType and GPIO_Speed members.
+ (++) Call GPIO_Init() function.
+
+ (#) Program the Polarity, Phase, First Data, Baud Rate Prescaler, Slave
+ Management, Peripheral Mode and CRC Polynomial values using the SPI_Init()
+ function.In I2S mode, program the Mode, Standard, Data Format, MCLK
+ Output, Audio frequency and Polarity using I2S_Init() function.
+
+ (#) Configure the FIFO threshold using SPI_RxFIFOThresholdConfig() to select
+ at which threshold the RXNE event is generated.
+
+ (#) Enable the NVIC and the corresponding interrupt using the function
+ SPI_ITConfig() if you need to use interrupt mode.
+
+ (#) When using the DMA mode
+ (++) Configure the DMA using DMA_Init() function.
+ (++) Active the needed channel Request using SPI_I2S_DMACmd() function.
+
+ (#) Enable the SPI using the SPI_Cmd() function or enable the I2S using
+ I2S_Cmd().
+
+ (#) Enable the DMA using the DMA_Cmd() function when using DMA mode.
+
+ (#) Optionally, you can enable/configure the following parameters without
+ re-initialization (i.e there is no need to call again SPI_Init() function):
+ (++) When bidirectional mode (SPI_Direction_1Line_Rx or SPI_Direction_1Line_Tx)
+ is programmed as Data direction parameter using the SPI_Init()
+ function it can be possible to switch between SPI_Direction_Tx
+ or SPI_Direction_Rx using the SPI_BiDirectionalLineConfig() function.
+ (++) When SPI_NSS_Soft is selected as Slave Select Management parameter
+ using the SPI_Init() function it can be possible to manage the
+ NSS internal signal using the SPI_NSSInternalSoftwareConfig() function.
+ (++) Reconfigure the data size using the SPI_DataSizeConfig() function.
+ (++) Enable or disable the SS output using the SPI_SSOutputCmd() function.
+
+ (#) To use the CRC Hardware calculation feature refer to the Peripheral
+ CRC hardware Calculation subsection.
+
+ @endverbatim
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_spi.h"
+#include "stm32f0xx_rcc.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup SPI
+ * @brief SPI driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* SPI registers Masks */
+#define CR1_CLEAR_MASK ((uint16_t)0x3040)
+#define CR1_CLEAR_MASK2 ((uint16_t)0xFFFB)
+#define CR2_LDMA_MASK ((uint16_t)0x9FFF)
+
+#define I2SCFGR_CLEAR_Mask ((uint16_t)0xF040)
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup SPI_Private_Functions
+ * @{
+ */
+
+/** @defgroup SPI_Group1 Initialization and Configuration functions
+ * @brief Initialization and Configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Initialization and Configuration functions #####
+ ===============================================================================
+ [..] This section provides a set of functions allowing to initialize the SPI Direction,
+ SPI Mode, SPI Data Size, SPI Polarity, SPI Phase, SPI NSS Management, SPI Baud
+ Rate Prescaler, SPI First Bit and SPI CRC Polynomial.
+
+ [..] The SPI_Init() function follows the SPI configuration procedures for Master mode
+ and Slave mode (details for these procedures are available in reference manual).
+
+ [..] When the Software NSS management (SPI_InitStruct->SPI_NSS = SPI_NSS_Soft) is selected,
+ use the following function to manage the NSS bit:
+ void SPI_NSSInternalSoftwareConfig(SPI_TypeDef* SPIx, uint16_t SPI_NSSInternalSoft);
+
+ [..] In Master mode, when the Hardware NSS management (SPI_InitStruct->SPI_NSS = SPI_NSS_Hard)
+ is selected, use the follwoing function to enable the NSS output feature.
+ void SPI_SSOutputCmd(SPI_TypeDef* SPIx, FunctionalState NewState);
+
+ [..] The NSS pulse mode can be managed by the SPI TI mode when enabling it using the following function:
+ void SPI_TIModeCmd(SPI_TypeDef* SPIx, FunctionalState NewState);
+ And it can be managed by software in the SPI Motorola mode using this function:
+ void SPI_NSSPulseModeCmd(SPI_TypeDef* SPIx, FunctionalState NewState);
+
+ [..] This section provides also functions to initialize the I2S Mode, Standard,
+ Data Format, MCLK Output, Audio frequency and Polarity.
+
+ [..] The I2S_Init() function follows the I2S configuration procedures for Master mode
+ and Slave mode.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Deinitializes the SPIx peripheral registers to their default
+ * reset values.
+ * @param SPIx: where x can be 1 or 2 to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * I2S mode is not supported for STM32F030 devices.
+ * @retval None
+ */
+void SPI_I2S_DeInit(SPI_TypeDef* SPIx)
+{
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+
+ if (SPIx == SPI1)
+ {
+ /* Enable SPI1 reset state */
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_SPI1, ENABLE);
+ /* Release SPI1 from reset state */
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_SPI1, DISABLE);
+ }
+ else
+ {
+ if (SPIx == SPI2)
+ {
+ /* Enable SPI2 reset state */
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_SPI2, ENABLE);
+ /* Release SPI2 from reset state */
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_SPI2, DISABLE);
+ }
+ }
+}
+
+/**
+ * @brief Fills each SPI_InitStruct member with its default value.
+ * @param SPI_InitStruct: pointer to a SPI_InitTypeDef structure which will be initialized.
+ * @retval None
+ */
+void SPI_StructInit(SPI_InitTypeDef* SPI_InitStruct)
+{
+/*--------------- Reset SPI init structure parameters values -----------------*/
+ /* Initialize the SPI_Direction member */
+ SPI_InitStruct->SPI_Direction = SPI_Direction_2Lines_FullDuplex;
+ /* Initialize the SPI_Mode member */
+ SPI_InitStruct->SPI_Mode = SPI_Mode_Slave;
+ /* Initialize the SPI_DataSize member */
+ SPI_InitStruct->SPI_DataSize = SPI_DataSize_8b;
+ /* Initialize the SPI_CPOL member */
+ SPI_InitStruct->SPI_CPOL = SPI_CPOL_Low;
+ /* Initialize the SPI_CPHA member */
+ SPI_InitStruct->SPI_CPHA = SPI_CPHA_1Edge;
+ /* Initialize the SPI_NSS member */
+ SPI_InitStruct->SPI_NSS = SPI_NSS_Hard;
+ /* Initialize the SPI_BaudRatePrescaler member */
+ SPI_InitStruct->SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_2;
+ /* Initialize the SPI_FirstBit member */
+ SPI_InitStruct->SPI_FirstBit = SPI_FirstBit_MSB;
+ /* Initialize the SPI_CRCPolynomial member */
+ SPI_InitStruct->SPI_CRCPolynomial = 7;
+}
+
+/**
+ * @brief Initializes the SPIx peripheral according to the specified
+ * parameters in the SPI_InitStruct.
+ * @param SPIx: where x can be 1 or 2 to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @param SPI_InitStruct: pointer to a SPI_InitTypeDef structure that
+ * contains the configuration information for the specified SPI peripheral.
+ * @retval None
+ */
+void SPI_Init(SPI_TypeDef* SPIx, SPI_InitTypeDef* SPI_InitStruct)
+{
+ uint16_t tmpreg = 0;
+
+ /* check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+
+ /* Check the SPI parameters */
+ assert_param(IS_SPI_DIRECTION_MODE(SPI_InitStruct->SPI_Direction));
+ assert_param(IS_SPI_MODE(SPI_InitStruct->SPI_Mode));
+ assert_param(IS_SPI_DATA_SIZE(SPI_InitStruct->SPI_DataSize));
+ assert_param(IS_SPI_CPOL(SPI_InitStruct->SPI_CPOL));
+ assert_param(IS_SPI_CPHA(SPI_InitStruct->SPI_CPHA));
+ assert_param(IS_SPI_NSS(SPI_InitStruct->SPI_NSS));
+ assert_param(IS_SPI_BAUDRATE_PRESCALER(SPI_InitStruct->SPI_BaudRatePrescaler));
+ assert_param(IS_SPI_FIRST_BIT(SPI_InitStruct->SPI_FirstBit));
+ assert_param(IS_SPI_CRC_POLYNOMIAL(SPI_InitStruct->SPI_CRCPolynomial));
+
+ /*---------------------------- SPIx CR1 Configuration ------------------------*/
+ /* Get the SPIx CR1 value */
+ tmpreg = SPIx->CR1;
+ /* Clear BIDIMode, BIDIOE, RxONLY, SSM, SSI, LSBFirst, BR, CPOL and CPHA bits */
+ tmpreg &= CR1_CLEAR_MASK;
+ /* Configure SPIx: direction, NSS management, first transmitted bit, BaudRate prescaler
+ master/slave mode, CPOL and CPHA */
+ /* Set BIDImode, BIDIOE and RxONLY bits according to SPI_Direction value */
+ /* Set SSM, SSI bit according to SPI_NSS values */
+ /* Set LSBFirst bit according to SPI_FirstBit value */
+ /* Set BR bits according to SPI_BaudRatePrescaler value */
+ /* Set CPOL bit according to SPI_CPOL value */
+ /* Set CPHA bit according to SPI_CPHA value */
+ tmpreg |= (uint16_t)((uint32_t)SPI_InitStruct->SPI_Direction | SPI_InitStruct->SPI_FirstBit |
+ SPI_InitStruct->SPI_CPOL | SPI_InitStruct->SPI_CPHA |
+ SPI_InitStruct->SPI_NSS | SPI_InitStruct->SPI_BaudRatePrescaler);
+ /* Write to SPIx CR1 */
+ SPIx->CR1 = tmpreg;
+ /*-------------------------Data Size Configuration -----------------------*/
+ /* Get the SPIx CR2 value */
+ tmpreg = SPIx->CR2;
+ /* Clear DS[3:0] bits */
+ tmpreg &=(uint16_t)~SPI_CR2_DS;
+ /* Configure SPIx: Data Size */
+ tmpreg |= (uint16_t)(SPI_InitStruct->SPI_DataSize);
+ /* Write to SPIx CR2 */
+ SPIx->CR2 = tmpreg;
+
+ /*---------------------------- SPIx CRCPOLY Configuration --------------------*/
+ /* Write to SPIx CRCPOLY */
+ SPIx->CRCPR = SPI_InitStruct->SPI_CRCPolynomial;
+
+ /*---------------------------- SPIx CR1 Configuration ------------------------*/
+ /* Get the SPIx CR1 value */
+ tmpreg = SPIx->CR1;
+ /* Clear MSTR bit */
+ tmpreg &= CR1_CLEAR_MASK2;
+ /* Configure SPIx: master/slave mode */
+ /* Set MSTR bit according to SPI_Mode */
+ tmpreg |= (uint16_t)((uint32_t)SPI_InitStruct->SPI_Mode);
+ /* Write to SPIx CR1 */
+ SPIx->CR1 = tmpreg;
+
+ /* Activate the SPI mode (Reset I2SMOD bit in I2SCFGR register) */
+ SPIx->I2SCFGR &= (uint16_t)~((uint16_t)SPI_I2SCFGR_I2SMOD);
+}
+
+/**
+ * @brief Fills each I2S_InitStruct member with its default value.
+ * @note This mode is not supported for STM32F030 devices.
+ * @param I2S_InitStruct: pointer to a I2S_InitTypeDef structure which will be initialized.
+ * @retval None
+ */
+void I2S_StructInit(I2S_InitTypeDef* I2S_InitStruct)
+{
+/*--------------- Reset I2S init structure parameters values -----------------*/
+ /* Initialize the I2S_Mode member */
+ I2S_InitStruct->I2S_Mode = I2S_Mode_SlaveTx;
+
+ /* Initialize the I2S_Standard member */
+ I2S_InitStruct->I2S_Standard = I2S_Standard_Phillips;
+
+ /* Initialize the I2S_DataFormat member */
+ I2S_InitStruct->I2S_DataFormat = I2S_DataFormat_16b;
+
+ /* Initialize the I2S_MCLKOutput member */
+ I2S_InitStruct->I2S_MCLKOutput = I2S_MCLKOutput_Disable;
+
+ /* Initialize the I2S_AudioFreq member */
+ I2S_InitStruct->I2S_AudioFreq = I2S_AudioFreq_Default;
+
+ /* Initialize the I2S_CPOL member */
+ I2S_InitStruct->I2S_CPOL = I2S_CPOL_Low;
+}
+
+/**
+ * @brief Initializes the SPIx peripheral according to the specified
+ * parameters in the I2S_InitStruct.
+ * @note This mode is not supported for STM32F030 devices.
+ * @param SPIx: where x can be 1 to select the SPI peripheral (configured in I2S mode).
+ * @param I2S_InitStruct: pointer to an I2S_InitTypeDef structure that
+ * contains the configuration information for the specified SPI peripheral
+ * configured in I2S mode.
+ * @note This function calculates the optimal prescaler needed to obtain the most
+ * accurate audio frequency (depending on the I2S clock source, the PLL values
+ * and the product configuration). But in case the prescaler value is greater
+ * than 511, the default value (0x02) will be configured instead.
+ * @retval None
+ */
+void I2S_Init(SPI_TypeDef* SPIx, I2S_InitTypeDef* I2S_InitStruct)
+{
+ uint16_t tmpreg = 0, i2sdiv = 2, i2sodd = 0, packetlength = 1;
+ uint32_t tmp = 0;
+ RCC_ClocksTypeDef RCC_Clocks;
+ uint32_t sourceclock = 0;
+
+ /* Check the I2S parameters */
+ assert_param(IS_SPI_1_PERIPH(SPIx));
+ assert_param(IS_I2S_MODE(I2S_InitStruct->I2S_Mode));
+ assert_param(IS_I2S_STANDARD(I2S_InitStruct->I2S_Standard));
+ assert_param(IS_I2S_DATA_FORMAT(I2S_InitStruct->I2S_DataFormat));
+ assert_param(IS_I2S_MCLK_OUTPUT(I2S_InitStruct->I2S_MCLKOutput));
+ assert_param(IS_I2S_AUDIO_FREQ(I2S_InitStruct->I2S_AudioFreq));
+ assert_param(IS_I2S_CPOL(I2S_InitStruct->I2S_CPOL));
+
+/*----------------------- SPIx I2SCFGR & I2SPR Configuration -----------------*/
+ /* Clear I2SMOD, I2SE, I2SCFG, PCMSYNC, I2SSTD, CKPOL, DATLEN and CHLEN bits */
+ SPIx->I2SCFGR &= I2SCFGR_CLEAR_Mask;
+ SPIx->I2SPR = 0x0002;
+
+ /* Get the I2SCFGR register value */
+ tmpreg = SPIx->I2SCFGR;
+
+ /* If the default value has to be written, reinitialize i2sdiv and i2sodd*/
+ if(I2S_InitStruct->I2S_AudioFreq == I2S_AudioFreq_Default)
+ {
+ i2sodd = (uint16_t)0;
+ i2sdiv = (uint16_t)2;
+ }
+ /* If the requested audio frequency is not the default, compute the prescaler */
+ else
+ {
+ /* Check the frame length (For the Prescaler computing) */
+ if(I2S_InitStruct->I2S_DataFormat == I2S_DataFormat_16b)
+ {
+ /* Packet length is 16 bits */
+ packetlength = 1;
+ }
+ else
+ {
+ /* Packet length is 32 bits */
+ packetlength = 2;
+ }
+
+ /* I2S Clock source is System clock: Get System Clock frequency */
+ RCC_GetClocksFreq(&RCC_Clocks);
+
+ /* Get the source clock value: based on System Clock value */
+ sourceclock = RCC_Clocks.SYSCLK_Frequency;
+
+ /* Compute the Real divider depending on the MCLK output state with a floating point */
+ if(I2S_InitStruct->I2S_MCLKOutput == I2S_MCLKOutput_Enable)
+ {
+ /* MCLK output is enabled */
+ tmp = (uint16_t)(((((sourceclock / 256) * 10) / I2S_InitStruct->I2S_AudioFreq)) + 5);
+ }
+ else
+ {
+ /* MCLK output is disabled */
+ tmp = (uint16_t)(((((sourceclock / (32 * packetlength)) *10 ) / I2S_InitStruct->I2S_AudioFreq)) + 5);
+ }
+
+ /* Remove the floating point */
+ tmp = tmp / 10;
+
+ /* Check the parity of the divider */
+ i2sodd = (uint16_t)(tmp & (uint16_t)0x0001);
+
+ /* Compute the i2sdiv prescaler */
+ i2sdiv = (uint16_t)((tmp - i2sodd) / 2);
+
+ /* Get the Mask for the Odd bit (SPI_I2SPR[8]) register */
+ i2sodd = (uint16_t) (i2sodd << 8);
+ }
+
+ /* Test if the divider is 1 or 0 or greater than 0xFF */
+ if ((i2sdiv < 2) || (i2sdiv > 0xFF))
+ {
+ /* Set the default values */
+ i2sdiv = 2;
+ i2sodd = 0;
+ }
+
+ /* Write to SPIx I2SPR register the computed value */
+ SPIx->I2SPR = (uint16_t)(i2sdiv | (uint16_t)(i2sodd | (uint16_t)I2S_InitStruct->I2S_MCLKOutput));
+
+ /* Configure the I2S with the SPI_InitStruct values */
+ tmpreg |= (uint16_t)(SPI_I2SCFGR_I2SMOD | (uint16_t)(I2S_InitStruct->I2S_Mode | \
+ (uint16_t)(I2S_InitStruct->I2S_Standard | (uint16_t)(I2S_InitStruct->I2S_DataFormat | \
+ (uint16_t)I2S_InitStruct->I2S_CPOL))));
+
+ /* Write to SPIx I2SCFGR */
+ SPIx->I2SCFGR = tmpreg;
+}
+
+/**
+ * @brief Enables or disables the specified SPI peripheral.
+ * @param SPIx: where x can be 1 or 2 to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @param NewState: new state of the SPIx peripheral.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void SPI_Cmd(SPI_TypeDef* SPIx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected SPI peripheral */
+ SPIx->CR1 |= SPI_CR1_SPE;
+ }
+ else
+ {
+ /* Disable the selected SPI peripheral */
+ SPIx->CR1 &= (uint16_t)~((uint16_t)SPI_CR1_SPE);
+ }
+}
+
+/**
+ * @brief Enables or disables the TI Mode.
+ *
+ * @note This function can be called only after the SPI_Init() function has
+ * been called.
+ * @note When TI mode is selected, the control bits SSM, SSI, CPOL and CPHA
+ * are not taken into consideration and are configured by hardware
+ * respectively to the TI mode requirements.
+ *
+ * @param SPIx: where x can be 1 or 2 to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @param NewState: new state of the selected SPI TI communication mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void SPI_TIModeCmd(SPI_TypeDef* SPIx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the TI mode for the selected SPI peripheral */
+ SPIx->CR2 |= SPI_CR2_FRF;
+ }
+ else
+ {
+ /* Disable the TI mode for the selected SPI peripheral */
+ SPIx->CR2 &= (uint16_t)~((uint16_t)SPI_CR2_FRF);
+ }
+}
+
+/**
+ * @brief Enables or disables the specified SPI peripheral (in I2S mode).
+ * @note This mode is not supported for STM32F030 devices.
+ * @param SPIx: where x can be 1 to select the SPI peripheral.
+ * @param NewState: new state of the SPIx peripheral.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void I2S_Cmd(SPI_TypeDef* SPIx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_SPI_1_PERIPH(SPIx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected SPI peripheral in I2S mode */
+ SPIx->I2SCFGR |= SPI_I2SCFGR_I2SE;
+ }
+ else
+ {
+ /* Disable the selected SPI peripheral in I2S mode */
+ SPIx->I2SCFGR &= (uint16_t)~((uint16_t)SPI_I2SCFGR_I2SE);
+ }
+}
+
+/**
+ * @brief Configures the data size for the selected SPI.
+ * @param SPIx: where x can be 1 or 2 to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @param SPI_DataSize: specifies the SPI data size.
+ * For the SPIx peripheral this parameter can be one of the following values:
+ * @arg SPI_DataSize_4b: Set data size to 4 bits
+ * @arg SPI_DataSize_5b: Set data size to 5 bits
+ * @arg SPI_DataSize_6b: Set data size to 6 bits
+ * @arg SPI_DataSize_7b: Set data size to 7 bits
+ * @arg SPI_DataSize_8b: Set data size to 8 bits
+ * @arg SPI_DataSize_9b: Set data size to 9 bits
+ * @arg SPI_DataSize_10b: Set data size to 10 bits
+ * @arg SPI_DataSize_11b: Set data size to 11 bits
+ * @arg SPI_DataSize_12b: Set data size to 12 bits
+ * @arg SPI_DataSize_13b: Set data size to 13 bits
+ * @arg SPI_DataSize_14b: Set data size to 14 bits
+ * @arg SPI_DataSize_15b: Set data size to 15 bits
+ * @arg SPI_DataSize_16b: Set data size to 16 bits
+ * @retval None
+ */
+void SPI_DataSizeConfig(SPI_TypeDef* SPIx, uint16_t SPI_DataSize)
+{
+ uint16_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+ assert_param(IS_SPI_DATA_SIZE(SPI_DataSize));
+ /* Read the CR2 register */
+ tmpreg = SPIx->CR2;
+ /* Clear DS[3:0] bits */
+ tmpreg &= (uint16_t)~SPI_CR2_DS;
+ /* Set new DS[3:0] bits value */
+ tmpreg |= SPI_DataSize;
+ SPIx->CR2 = tmpreg;
+}
+
+/**
+ * @brief Configures the FIFO reception threshold for the selected SPI.
+ * @param SPIx: where x can be 1 or 2 to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @param SPI_RxFIFOThreshold: specifies the FIFO reception threshold.
+ * This parameter can be one of the following values:
+ * @arg SPI_RxFIFOThreshold_HF: RXNE event is generated if the FIFO
+ * level is greater or equal to 1/2.
+ * @arg SPI_RxFIFOThreshold_QF: RXNE event is generated if the FIFO
+ * level is greater or equal to 1/4.
+ * @retval None
+ */
+void SPI_RxFIFOThresholdConfig(SPI_TypeDef* SPIx, uint16_t SPI_RxFIFOThreshold)
+{
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+ assert_param(IS_SPI_RX_FIFO_THRESHOLD(SPI_RxFIFOThreshold));
+
+ /* Clear FRXTH bit */
+ SPIx->CR2 &= (uint16_t)~((uint16_t)SPI_CR2_FRXTH);
+
+ /* Set new FRXTH bit value */
+ SPIx->CR2 |= SPI_RxFIFOThreshold;
+}
+
+/**
+ * @brief Selects the data transfer direction in bidirectional mode for the specified SPI.
+ * @param SPIx: where x can be 1 or 2 to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @param SPI_Direction: specifies the data transfer direction in bidirectional mode.
+ * This parameter can be one of the following values:
+ * @arg SPI_Direction_Tx: Selects Tx transmission direction
+ * @arg SPI_Direction_Rx: Selects Rx receive direction
+ * @retval None
+ */
+void SPI_BiDirectionalLineConfig(SPI_TypeDef* SPIx, uint16_t SPI_Direction)
+{
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+ assert_param(IS_SPI_DIRECTION(SPI_Direction));
+ if (SPI_Direction == SPI_Direction_Tx)
+ {
+ /* Set the Tx only mode */
+ SPIx->CR1 |= SPI_Direction_Tx;
+ }
+ else
+ {
+ /* Set the Rx only mode */
+ SPIx->CR1 &= SPI_Direction_Rx;
+ }
+}
+
+/**
+ * @brief Configures internally by software the NSS pin for the selected SPI.
+ * @note This function can be called only after the SPI_Init() function has
+ * been called.
+ * @param SPIx: where x can be 1 or 2 to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @param SPI_NSSInternalSoft: specifies the SPI NSS internal state.
+ * This parameter can be one of the following values:
+ * @arg SPI_NSSInternalSoft_Set: Set NSS pin internally
+ * @arg SPI_NSSInternalSoft_Reset: Reset NSS pin internally
+ * @retval None
+ */
+void SPI_NSSInternalSoftwareConfig(SPI_TypeDef* SPIx, uint16_t SPI_NSSInternalSoft)
+{
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+ assert_param(IS_SPI_NSS_INTERNAL(SPI_NSSInternalSoft));
+
+ if (SPI_NSSInternalSoft != SPI_NSSInternalSoft_Reset)
+ {
+ /* Set NSS pin internally by software */
+ SPIx->CR1 |= SPI_NSSInternalSoft_Set;
+ }
+ else
+ {
+ /* Reset NSS pin internally by software */
+ SPIx->CR1 &= SPI_NSSInternalSoft_Reset;
+ }
+}
+
+/**
+ * @brief Enables or disables the SS output for the selected SPI.
+ * @note This function can be called only after the SPI_Init() function has
+ * been called and the NSS hardware management mode is selected.
+ * @param SPIx: where x can be 1 or 2 to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @param NewState: new state of the SPIx SS output.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void SPI_SSOutputCmd(SPI_TypeDef* SPIx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected SPI SS output */
+ SPIx->CR2 |= SPI_CR2_SSOE;
+ }
+ else
+ {
+ /* Disable the selected SPI SS output */
+ SPIx->CR2 &= (uint16_t)~((uint16_t)SPI_CR2_SSOE);
+ }
+}
+
+/**
+ * @brief Enables or disables the NSS pulse management mode.
+ * @note This function can be called only after the SPI_Init() function has
+ * been called.
+ * @note When TI mode is selected, the control bits NSSP is not taken into
+ * consideration and are configured by hardware respectively to the
+ * TI mode requirements.
+ * @param SPIx: where x can be 1 or 2 to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @param NewState: new state of the NSS pulse management mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void SPI_NSSPulseModeCmd(SPI_TypeDef* SPIx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the NSS pulse management mode */
+ SPIx->CR2 |= SPI_CR2_NSSP;
+ }
+ else
+ {
+ /* Disable the NSS pulse management mode */
+ SPIx->CR2 &= (uint16_t)~((uint16_t)SPI_CR2_NSSP);
+ }
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup SPI_Group2 Data transfers functions
+ * @brief Data transfers functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Data transfers functions #####
+ ===============================================================================
+ [..] This section provides a set of functions allowing to manage the SPI or I2S
+ data transfers.
+
+ [..] In reception, data are received and then stored into an internal Rx buffer while
+ In transmission, data are first stored into an internal Tx buffer before being
+ transmitted.
+
+ [..] The read access of the SPI_DR register can be done using
+ SPI_ReceiveData8() (when data size is equal or inferior than 8bits) and.
+ SPI_I2S_ReceiveData16() (when data size is superior than 8bits)function
+ and returns the Rx buffered value. Whereas a write access to the SPI_DR
+ can be done using SPI_SendData8() (when data size is equal or inferior than 8bits)
+ and SPI_I2S_SendData16() (when data size is superior than 8bits) function
+ and stores the written data into Tx buffer.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Transmits a Data through the SPIx/I2Sx peripheral.
+ * @param SPIx: where x can be 1 or 2 in SPI mode to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @param Data: Data to be transmitted.
+ * @retval None
+ */
+void SPI_SendData8(SPI_TypeDef* SPIx, uint8_t Data)
+{
+ uint32_t spixbase = 0x00;
+
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+
+ spixbase = (uint32_t)SPIx;
+ spixbase += 0x0C;
+
+ *(__IO uint8_t *) spixbase = Data;
+}
+
+/**
+ * @brief Transmits a Data through the SPIx/I2Sx peripheral.
+ * @param SPIx: where x can be 1 or 2 in SPI mode or 1 in I2S mode to select
+ * the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @param Data: Data to be transmitted.
+ * @retval None
+ */
+void SPI_I2S_SendData16(SPI_TypeDef* SPIx, uint16_t Data)
+{
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+
+ SPIx->DR = (uint16_t)Data;
+}
+
+/**
+ * @brief Returns the most recent received data by the SPIx/I2Sx peripheral.
+ * @param SPIx: where x can be 1 or 2 in SPI mode to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @retval The value of the received data.
+ */
+uint8_t SPI_ReceiveData8(SPI_TypeDef* SPIx)
+{
+ uint32_t spixbase = 0x00;
+
+ spixbase = (uint32_t)SPIx;
+ spixbase += 0x0C;
+
+ return *(__IO uint8_t *) spixbase;
+}
+
+/**
+ * @brief Returns the most recent received data by the SPIx peripheral.
+ * @param SPIx: where x can be 1 or 2 in SPI mode or 1 in I2S mode to select
+ * @note SPI2 is not available for STM32F031 devices.
+ * the SPI peripheral.
+ * @retval The value of the received data.
+ */
+uint16_t SPI_I2S_ReceiveData16(SPI_TypeDef* SPIx)
+{
+ return SPIx->DR;
+}
+/**
+ * @}
+ */
+
+/** @defgroup SPI_Group3 Hardware CRC Calculation functions
+ * @brief Hardware CRC Calculation functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Hardware CRC Calculation functions #####
+ ===============================================================================
+ [..] This section provides a set of functions allowing to manage the SPI CRC hardware
+ calculation.SPI communication using CRC is possible through the following procedure:
+
+ (#) Program the Data direction, Polarity, Phase, First Data, Baud Rate Prescaler,
+ Slave Management, Peripheral Mode and CRC Polynomial values using the SPI_Init()
+ function.
+ (#) Enable the CRC calculation using the SPI_CalculateCRC() function.
+ (#) Enable the SPI using the SPI_Cmd() function
+ (#) Before writing the last data to the TX buffer, set the CRCNext bit using the
+ SPI_TransmitCRC() function to indicate that after transmission of the last
+ data, the CRC should be transmitted.
+ (#) After transmitting the last data, the SPI transmits the CRC. The SPI_CR1_CRCNEXT
+ bit is reset. The CRC is also received and compared against the SPI_RXCRCR
+ value.
+ If the value does not match, the SPI_FLAG_CRCERR flag is set and an interrupt
+ can be generated when the SPI_I2S_IT_ERR interrupt is enabled.
+
+ -@-
+ (+@) It is advised to don't read the calculate CRC values during the communication.
+ (+@) When the SPI is in slave mode, be careful to enable CRC calculation only
+ when the clock is stable, that is, when the clock is in the steady state.
+ If not, a wrong CRC calculation may be done. In fact, the CRC is sensitive
+ to the SCK slave input clock as soon as CRCEN is set, and this, whatever
+ the value of the SPE bit.
+ (+@) With high bitrate frequencies, be careful when transmitting the CRC.
+ As the number of used CPU cycles has to be as low as possible in the CRC
+ transfer phase, it is forbidden to call software functions in the CRC
+ transmission sequence to avoid errors in the last data and CRC reception.
+ In fact, CRCNEXT bit has to be written before the end of the transmission/reception
+ of the last data.
+ (+@) For high bit rate frequencies, it is advised to use the DMA mode to avoid the
+ degradation of the SPI speed performance due to CPU accesses impacting the
+ SPI bandwidth.
+ (+@) When the STM32F0xx are configured as slaves and the NSS hardware mode is
+ used, the NSS pin needs to be kept low between the data phase and the CRC
+ phase.
+ (+@) When the SPI is configured in slave mode with the CRC feature enabled, CRC
+ calculation takes place even if a high level is applied on the NSS pin.
+ This may happen for example in case of a multislave environment where the
+ communication master addresses slaves alternately.
+ (+@) Between a slave deselection (high level on NSS) and a new slave selection
+ (low level on NSS), the CRC value should be cleared on both master and slave
+ sides in order to resynchronize the master and slave for their respective
+ CRC calculation.
+
+ -@- To clear the CRC, follow the procedure below:
+ (#@) Disable SPI using the SPI_Cmd() function
+ (#@) Disable the CRC calculation using the SPI_CalculateCRC() function.
+ (#@) Enable the CRC calculation using the SPI_CalculateCRC() function.
+ (#@) Enable SPI using the SPI_Cmd() function.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Configures the CRC calculation length for the selected SPI.
+ * @note This function can be called only after the SPI_Init() function has
+ * been called.
+ * @param SPIx: where x can be 1 or 2 to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @param SPI_CRCLength: specifies the SPI CRC calculation length.
+ * This parameter can be one of the following values:
+ * @arg SPI_CRCLength_8b: Set CRC Calculation to 8 bits
+ * @arg SPI_CRCLength_16b: Set CRC Calculation to 16 bits
+ * @retval None
+ */
+void SPI_CRCLengthConfig(SPI_TypeDef* SPIx, uint16_t SPI_CRCLength)
+{
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+ assert_param(IS_SPI_CRC_LENGTH(SPI_CRCLength));
+
+ /* Clear CRCL bit */
+ SPIx->CR1 &= (uint16_t)~((uint16_t)SPI_CR1_CRCL);
+
+ /* Set new CRCL bit value */
+ SPIx->CR1 |= SPI_CRCLength;
+}
+
+/**
+ * @brief Enables or disables the CRC value calculation of the transferred bytes.
+ * @note This function can be called only after the SPI_Init() function has
+ * been called.
+ * @param SPIx: where x can be 1 or 2 to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @param NewState: new state of the SPIx CRC value calculation.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void SPI_CalculateCRC(SPI_TypeDef* SPIx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected SPI CRC calculation */
+ SPIx->CR1 |= SPI_CR1_CRCEN;
+ }
+ else
+ {
+ /* Disable the selected SPI CRC calculation */
+ SPIx->CR1 &= (uint16_t)~((uint16_t)SPI_CR1_CRCEN);
+ }
+}
+
+/**
+ * @brief Transmit the SPIx CRC value.
+ * @param SPIx: where x can be 1 or 2 to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @retval None
+ */
+void SPI_TransmitCRC(SPI_TypeDef* SPIx)
+{
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+
+ /* Enable the selected SPI CRC transmission */
+ SPIx->CR1 |= SPI_CR1_CRCNEXT;
+}
+
+/**
+ * @brief Returns the transmit or the receive CRC register value for the specified SPI.
+ * @param SPIx: where x can be 1 or 2 to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @param SPI_CRC: specifies the CRC register to be read.
+ * This parameter can be one of the following values:
+ * @arg SPI_CRC_Tx: Selects Tx CRC register
+ * @arg SPI_CRC_Rx: Selects Rx CRC register
+ * @retval The selected CRC register value..
+ */
+uint16_t SPI_GetCRC(SPI_TypeDef* SPIx, uint8_t SPI_CRC)
+{
+ uint16_t crcreg = 0;
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+ assert_param(IS_SPI_CRC(SPI_CRC));
+
+ if (SPI_CRC != SPI_CRC_Rx)
+ {
+ /* Get the Tx CRC register */
+ crcreg = SPIx->TXCRCR;
+ }
+ else
+ {
+ /* Get the Rx CRC register */
+ crcreg = SPIx->RXCRCR;
+ }
+ /* Return the selected CRC register */
+ return crcreg;
+}
+
+/**
+ * @brief Returns the CRC Polynomial register value for the specified SPI.
+ * @param SPIx: where x can be 1 or 2 to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @retval The CRC Polynomial register value.
+ */
+uint16_t SPI_GetCRCPolynomial(SPI_TypeDef* SPIx)
+{
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+
+ /* Return the CRC polynomial register */
+ return SPIx->CRCPR;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup SPI_Group4 DMA transfers management functions
+ * @brief DMA transfers management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### DMA transfers management functions #####
+ ===============================================================================
+ [..] This section provides two functions that can be used only in DMA mode.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the SPIx/I2Sx DMA interface.
+ * @param SPIx: where x can be 1 or 2 in SPI mode or 1 in I2S mode to select
+ * the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * I2S mode is not supported for STM32F030 devices.
+ * @param SPI_I2S_DMAReq: specifies the SPI DMA transfer request to be enabled or disabled.
+ * This parameter can be any combination of the following values:
+ * @arg SPI_I2S_DMAReq_Tx: Tx buffer DMA transfer request
+ * @arg SPI_I2S_DMAReq_Rx: Rx buffer DMA transfer request
+ * @param NewState: new state of the selected SPI DMA transfer request.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void SPI_I2S_DMACmd(SPI_TypeDef* SPIx, uint16_t SPI_I2S_DMAReq, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+ assert_param(IS_SPI_I2S_DMA_REQ(SPI_I2S_DMAReq));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected SPI DMA requests */
+ SPIx->CR2 |= SPI_I2S_DMAReq;
+ }
+ else
+ {
+ /* Disable the selected SPI DMA requests */
+ SPIx->CR2 &= (uint16_t)~SPI_I2S_DMAReq;
+ }
+}
+
+/**
+ * @brief Configures the number of data to transfer type(Even/Odd) for the DMA
+ * last transfers and for the selected SPI.
+ * @note This function have a meaning only if DMA mode is selected and if
+ * the packing mode is used (data length <= 8 and DMA transfer size halfword)
+ * @param SPIx: where x can be 1 or 2 to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @param SPI_LastDMATransfer: specifies the SPI last DMA transfers state.
+ * This parameter can be one of the following values:
+ * @arg SPI_LastDMATransfer_TxEvenRxEven: Number of data for transmission Even
+ * and number of data for reception Even.
+ * @arg SPI_LastDMATransfer_TxOddRxEven: Number of data for transmission Odd
+ * and number of data for reception Even.
+ * @arg SPI_LastDMATransfer_TxEvenRxOdd: Number of data for transmission Even
+ * and number of data for reception Odd.
+ * @arg SPI_LastDMATransfer_TxOddRxOdd: Number of data for transmission Odd
+ * and number of data for reception Odd.
+ * @retval None
+ */
+void SPI_LastDMATransferCmd(SPI_TypeDef* SPIx, uint16_t SPI_LastDMATransfer)
+{
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+ assert_param(IS_SPI_LAST_DMA_TRANSFER(SPI_LastDMATransfer));
+
+ /* Clear LDMA_TX and LDMA_RX bits */
+ SPIx->CR2 &= CR2_LDMA_MASK;
+
+ /* Set new LDMA_TX and LDMA_RX bits value */
+ SPIx->CR2 |= SPI_LastDMATransfer;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup SPI_Group5 Interrupts and flags management functions
+ * @brief Interrupts and flags management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Interrupts and flags management functions #####
+ ===============================================================================
+ [..] This section provides a set of functions allowing to configure the SPI/I2S Interrupts
+ sources and check or clear the flags or pending bits status.
+ The user should identify which mode will be used in his application to manage
+ the communication: Polling mode, Interrupt mode or DMA mode.
+
+ *** Polling Mode ***
+ ====================
+ [..] In Polling Mode, the SPI/I2S communication can be managed by 9 flags:
+ (#) SPI_I2S_FLAG_TXE : to indicate the status of the transmit buffer register
+ (#) SPI_I2S_FLAG_RXNE : to indicate the status of the receive buffer register
+ (#) SPI_I2S_FLAG_BSY : to indicate the state of the communication layer of the SPI.
+ (#) SPI_FLAG_CRCERR : to indicate if a CRC Calculation error occur
+ (#) SPI_FLAG_MODF : to indicate if a Mode Fault error occur
+ (#) SPI_I2S_FLAG_OVR : to indicate if an Overrun error occur
+ (#) SPI_I2S_FLAG_FRE: to indicate a Frame Format error occurs.
+ (#) I2S_FLAG_UDR: to indicate an Underrun error occurs.
+ (#) I2S_FLAG_CHSIDE: to indicate Channel Side.
+
+ [..]
+ (@)Do not use the BSY flag to handle each data transmission or reception. It is better
+ to use the TXE and RXNE flags instead.
+
+ [..] In this Mode it is advised to use the following functions:
+ (+) FlagStatus SPI_I2S_GetFlagStatus(SPI_TypeDef* SPIx, uint16_t SPI_I2S_FLAG);
+ (+) void SPI_I2S_ClearFlag(SPI_TypeDef* SPIx, uint16_t SPI_I2S_FLAG);
+
+ *** Interrupt Mode ***
+ ======================
+ [..] In Interrupt Mode, the SPI/I2S communication can be managed by 3 interrupt sources
+ and 5 pending bits:
+ [..] Pending Bits:
+ (#) SPI_I2S_IT_TXE : to indicate the status of the transmit buffer register
+ (#) SPI_I2S_IT_RXNE : to indicate the status of the receive buffer register
+ (#) SPI_I2S_IT_OVR : to indicate if an Overrun error occur
+ (#) I2S_IT_UDR : to indicate an Underrun Error occurs.
+ (#) SPI_I2S_FLAG_FRE : to indicate a Frame Format error occurs.
+
+ [..] Interrupt Source:
+ (#) SPI_I2S_IT_TXE: specifies the interrupt source for the Tx buffer empty
+ interrupt.
+ (#) SPI_I2S_IT_RXNE : specifies the interrupt source for the Rx buffer not
+ empty interrupt.
+ (#) SPI_I2S_IT_ERR : specifies the interrupt source for the errors interrupt.
+
+ [..] In this Mode it is advised to use the following functions:
+ (+) void SPI_I2S_ITConfig(SPI_TypeDef* SPIx, uint8_t SPI_I2S_IT, FunctionalState NewState);
+ (+) ITStatus SPI_I2S_GetITStatus(SPI_TypeDef* SPIx, uint8_t SPI_I2S_IT);
+
+ *** FIFO Status ***
+ ===================
+ [..] It is possible to monitor the FIFO status when a transfer is ongoing using the
+ following function:
+ (+) uint32_t SPI_GetFIFOStatus(uint8_t SPI_FIFO_Direction);
+
+ *** DMA Mode ***
+ ================
+ [..] In DMA Mode, the SPI communication can be managed by 2 DMA Channel
+ requests:
+ (#) SPI_I2S_DMAReq_Tx: specifies the Tx buffer DMA transfer request.
+ (#) SPI_I2S_DMAReq_Rx: specifies the Rx buffer DMA transfer request.
+
+ [..] In this Mode it is advised to use the following function:
+ (+) void SPI_I2S_DMACmd(SPI_TypeDef* SPIx, uint16_t SPI_I2S_DMAReq, FunctionalState NewState).
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the specified SPI/I2S interrupts.
+ * @param SPIx: where x can be 1 or 2 in SPI mode or 1 in I2S mode to select
+ * the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * I2S mode is not supported for STM32F030 devices.
+ * @param SPI_I2S_IT: specifies the SPI interrupt source to be enabled or disabled.
+ * This parameter can be one of the following values:
+ * @arg SPI_I2S_IT_TXE: Tx buffer empty interrupt mask
+ * @arg SPI_I2S_IT_RXNE: Rx buffer not empty interrupt mask
+ * @arg SPI_I2S_IT_ERR: Error interrupt mask
+ * @param NewState: new state of the specified SPI interrupt.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void SPI_I2S_ITConfig(SPI_TypeDef* SPIx, uint8_t SPI_I2S_IT, FunctionalState NewState)
+{
+ uint16_t itpos = 0, itmask = 0 ;
+
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+ assert_param(IS_SPI_I2S_CONFIG_IT(SPI_I2S_IT));
+
+ /* Get the SPI IT index */
+ itpos = SPI_I2S_IT >> 4;
+
+ /* Set the IT mask */
+ itmask = (uint16_t)1 << (uint16_t)itpos;
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected SPI interrupt */
+ SPIx->CR2 |= itmask;
+ }
+ else
+ {
+ /* Disable the selected SPI interrupt */
+ SPIx->CR2 &= (uint16_t)~itmask;
+ }
+}
+
+/**
+ * @brief Returns the current SPIx Transmission FIFO filled level.
+ * @param SPIx: where x can be 1 or 2 to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @retval The Transmission FIFO filling state.
+ * - SPI_TransmissionFIFOStatus_Empty: when FIFO is empty
+ * - SPI_TransmissionFIFOStatus_1QuarterFull: if more than 1 quarter-full.
+ * - SPI_TransmissionFIFOStatus_HalfFull: if more than 1 half-full.
+ * - SPI_TransmissionFIFOStatus_Full: when FIFO is full.
+ */
+uint16_t SPI_GetTransmissionFIFOStatus(SPI_TypeDef* SPIx)
+{
+ /* Get the SPIx Transmission FIFO level bits */
+ return (uint16_t)((SPIx->SR & SPI_SR_FTLVL));
+}
+
+/**
+ * @brief Returns the current SPIx Reception FIFO filled level.
+ * @param SPIx: where x can be 1 or 2 to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @retval The Reception FIFO filling state.
+ * - SPI_ReceptionFIFOStatus_Empty: when FIFO is empty
+ * - SPI_ReceptionFIFOStatus_1QuarterFull: if more than 1 quarter-full.
+ * - SPI_ReceptionFIFOStatus_HalfFull: if more than 1 half-full.
+ * - SPI_ReceptionFIFOStatus_Full: when FIFO is full.
+ */
+uint16_t SPI_GetReceptionFIFOStatus(SPI_TypeDef* SPIx)
+{
+ /* Get the SPIx Reception FIFO level bits */
+ return (uint16_t)((SPIx->SR & SPI_SR_FRLVL));
+}
+
+/**
+ * @brief Checks whether the specified SPI flag is set or not.
+ * @param SPIx: where x can be 1 or 2 in SPI mode or 1 in I2S mode to select
+ * the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * I2S mode is not supported for STM32F030 devices.
+ * @param SPI_I2S_FLAG: specifies the SPI flag to check.
+ * This parameter can be one of the following values:
+ * @arg SPI_I2S_FLAG_TXE: Transmit buffer empty flag.
+ * @arg SPI_I2S_FLAG_RXNE: Receive buffer not empty flag.
+ * @arg SPI_I2S_FLAG_BSY: Busy flag.
+ * @arg SPI_I2S_FLAG_OVR: Overrun flag.
+ * @arg SPI_FLAG_MODF: Mode Fault flag.
+ * @arg SPI_FLAG_CRCERR: CRC Error flag.
+ * @arg SPI_I2S_FLAG_FRE: TI frame format error flag.
+ * @arg I2S_FLAG_UDR: Underrun Error flag.
+ * @arg I2S_FLAG_CHSIDE: Channel Side flag.
+ * @retval The new state of SPI_I2S_FLAG (SET or RESET).
+ */
+FlagStatus SPI_I2S_GetFlagStatus(SPI_TypeDef* SPIx, uint16_t SPI_I2S_FLAG)
+{
+ FlagStatus bitstatus = RESET;
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+ assert_param(IS_SPI_I2S_GET_FLAG(SPI_I2S_FLAG));
+
+ /* Check the status of the specified SPI flag */
+ if ((SPIx->SR & SPI_I2S_FLAG) != (uint16_t)RESET)
+ {
+ /* SPI_I2S_FLAG is set */
+ bitstatus = SET;
+ }
+ else
+ {
+ /* SPI_I2S_FLAG is reset */
+ bitstatus = RESET;
+ }
+ /* Return the SPI_I2S_FLAG status */
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the SPIx CRC Error (CRCERR) flag.
+ * @param SPIx: where x can be 1 or 2 to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * I2S mode is not supported for STM32F030 devices.
+ * @param SPI_I2S_FLAG: specifies the SPI flag to clear.
+ * This function clears only CRCERR flag.
+ * @note OVR (OverRun error) flag is cleared by software sequence: a read
+ * operation to SPI_DR register (SPI_I2S_ReceiveData()) followed by
+ * a read operation to SPI_SR register (SPI_I2S_GetFlagStatus()).
+ * @note MODF (Mode Fault) flag is cleared by software sequence: a read/write
+ * operation to SPI_SR register (SPI_I2S_GetFlagStatus()) followed by
+ * a write operation to SPI_CR1 register (SPI_Cmd() to enable the SPI).
+ * @retval None
+ */
+void SPI_I2S_ClearFlag(SPI_TypeDef* SPIx, uint16_t SPI_I2S_FLAG)
+{
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+ assert_param(IS_SPI_CLEAR_FLAG(SPI_I2S_FLAG));
+
+ /* Clear the selected SPI CRC Error (CRCERR) flag */
+ SPIx->SR = (uint16_t)~SPI_I2S_FLAG;
+}
+
+/**
+ * @brief Checks whether the specified SPI/I2S interrupt has occurred or not.
+ * @param SPIx: where x can be 1 or 2 in SPI mode or 1 in I2S mode to select
+ * the SPI peripheral.
+ * @param SPI_I2S_IT: specifies the SPI interrupt source to check.
+ * This parameter can be one of the following values:
+ * @arg SPI_I2S_IT_TXE: Transmit buffer empty interrupt.
+ * @arg SPI_I2S_IT_RXNE: Receive buffer not empty interrupt.
+ * @arg SPI_IT_MODF: Mode Fault interrupt.
+ * @arg SPI_I2S_IT_OVR: Overrun interrupt.
+ * @arg I2S_IT_UDR: Underrun interrupt.
+ * @arg SPI_I2S_IT_FRE: Format Error interrupt.
+ * @retval The new state of SPI_I2S_IT (SET or RESET).
+ */
+ITStatus SPI_I2S_GetITStatus(SPI_TypeDef* SPIx, uint8_t SPI_I2S_IT)
+{
+ ITStatus bitstatus = RESET;
+ uint16_t itpos = 0, itmask = 0, enablestatus = 0;
+
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+ assert_param(IS_SPI_I2S_GET_IT(SPI_I2S_IT));
+
+ /* Get the SPI_I2S_IT index */
+ itpos = 0x01 << (SPI_I2S_IT & 0x0F);
+
+ /* Get the SPI_I2S_IT IT mask */
+ itmask = SPI_I2S_IT >> 4;
+
+ /* Set the IT mask */
+ itmask = 0x01 << itmask;
+
+ /* Get the SPI_I2S_IT enable bit status */
+ enablestatus = (SPIx->CR2 & itmask) ;
+
+ /* Check the status of the specified SPI interrupt */
+ if (((SPIx->SR & itpos) != (uint16_t)RESET) && enablestatus)
+ {
+ /* SPI_I2S_IT is set */
+ bitstatus = SET;
+ }
+ else
+ {
+ /* SPI_I2S_IT is reset */
+ bitstatus = RESET;
+ }
+ /* Return the SPI_I2S_IT status */
+ return bitstatus;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_syscfg.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_syscfg.c
new file mode 100644
index 00000000..64a5cf32
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_syscfg.c
@@ -0,0 +1,420 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_syscfg.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the SYSCFG peripheral:
+ * + Remapping the memory mapped at 0x00000000
+ * + Remapping the DMA channels
+ * + Enabling I2C fast mode plus driving capability for I2C pins
+ * + Configuring the EXTI lines connection to the GPIO port
+ * + Configuring the CFGR2 features (Connecting some internal signal
+ * to the break input of TIM1)
+ *
+ * @verbatim
+ ===============================================================================
+ ##### How to use this driver #####
+ ===============================================================================
+ [..]
+ The SYSCFG registers can be accessed only when the SYSCFG
+ interface APB clock is enabled.
+ To enable SYSCFG APB clock use:
+ RCC_APBPeriphClockCmd(RCC_APBPeriph_SYSCFG, ENABLE).
+ * @endverbatim
+ *
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_syscfg.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup SYSCFG
+ * @brief SYSCFG driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup SYSCFG_Private_Functions
+ * @{
+ */
+
+/** @defgroup SYSCFG_Group1 SYSCFG Initialization and Configuration functions
+ * @brief SYSCFG Initialization and Configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### SYSCFG Initialization and Configuration functions #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Deinitializes the SYSCFG registers to their default reset values.
+ * @param None
+ * @retval None
+ * @note MEM_MODE bits are not affected by APB reset.
+ * @note MEM_MODE bits took the value from the user option bytes.
+ * @note CFGR2 register is not affected by APB reset.
+ * @note CLABBB configuration bits are locked when set.
+ * @note To unlock the configuration, perform a system reset.
+ */
+void SYSCFG_DeInit(void)
+{
+ /* Set SYSCFG_CFGR1 register to reset value without affecting MEM_MODE bits */
+ SYSCFG->CFGR1 &= SYSCFG_CFGR1_MEM_MODE;
+ /* Set EXTICRx registers to reset value */
+ SYSCFG->EXTICR[0] = 0;
+ SYSCFG->EXTICR[1] = 0;
+ SYSCFG->EXTICR[2] = 0;
+ SYSCFG->EXTICR[3] = 0;
+ /* Set CFGR2 register to reset value: clear SRAM parity error flag */
+ SYSCFG->CFGR2 |= (uint32_t) SYSCFG_CFGR2_SRAM_PE;
+}
+
+/**
+ * @brief Configures the memory mapping at address 0x00000000.
+ * @param SYSCFG_MemoryRemap: selects the memory remapping.
+ * This parameter can be one of the following values:
+ * @arg SYSCFG_MemoryRemap_Flash: Main Flash memory mapped at 0x00000000
+ * @arg SYSCFG_MemoryRemap_SystemMemory: System Flash memory mapped at 0x00000000
+ * @arg SYSCFG_MemoryRemap_SRAM: Embedded SRAM mapped at 0x00000000
+ * @retval None
+ */
+void SYSCFG_MemoryRemapConfig(uint32_t SYSCFG_MemoryRemap)
+{
+ uint32_t tmpctrl = 0;
+
+ /* Check the parameter */
+ assert_param(IS_SYSCFG_MEMORY_REMAP(SYSCFG_MemoryRemap));
+
+ /* Get CFGR1 register value */
+ tmpctrl = SYSCFG->CFGR1;
+
+ /* Clear MEM_MODE bits */
+ tmpctrl &= (uint32_t) (~SYSCFG_CFGR1_MEM_MODE);
+
+ /* Set the new MEM_MODE bits value */
+ tmpctrl |= (uint32_t) SYSCFG_MemoryRemap;
+
+ /* Set CFGR1 register with the new memory remap configuration */
+ SYSCFG->CFGR1 = tmpctrl;
+}
+
+/**
+ * @brief Configure the DMA channels remapping.
+ * @param SYSCFG_DMARemap: selects the DMA channels remap.
+ * This parameter can be one of the following values:
+ * @arg SYSCFG_DMARemap_TIM17: Remap TIM17 DMA requests from channel1 to channel2
+ * @arg SYSCFG_DMARemap_TIM16: Remap TIM16 DMA requests from channel3 to channel4
+ * @arg SYSCFG_DMARemap_USART1Rx: Remap USART1 Rx DMA requests from channel3 to channel5
+ * @arg SYSCFG_DMARemap_USART1Tx: Remap USART1 Tx DMA requests from channel2 to channel4
+ * @arg SYSCFG_DMARemap_ADC1: Remap ADC1 DMA requests from channel1 to channel2
+ * @param NewState: new state of the DMA channel remapping.
+ * This parameter can be: ENABLE or DISABLE.
+ * @note When enabled, DMA channel of the selected peripheral is remapped
+ * @note When disabled, Default DMA channel is mapped to the selected peripheral
+ * @note By default TIM17 DMA requests is mapped to channel 1,
+ * use SYSCFG_DMAChannelRemapConfig(SYSCFG_DMARemap_TIM17, Enable) to remap
+ * TIM17 DMA requests to channel 2 and use
+ * SYSCFG_DMAChannelRemapConfig(SYSCFG_DMARemap_TIM17, Disable) to map
+ * TIM17 DMA requests to channel 1 (default mapping)
+ * @note This function is only used for STM32F030, STM32F031, STM32F042, STM32F072 and STM32F051 devices.
+ * @retval None
+ */
+void SYSCFG_DMAChannelRemapConfig(uint32_t SYSCFG_DMARemap, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_SYSCFG_DMA_REMAP(SYSCFG_DMARemap));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Remap the DMA channel */
+ SYSCFG->CFGR1 |= (uint32_t)SYSCFG_DMARemap;
+ }
+ else
+ {
+ /* use the default DMA channel mapping */
+ SYSCFG->CFGR1 &= (uint32_t)(~SYSCFG_DMARemap);
+ }
+}
+
+/**
+ * @brief Configure the I2C fast mode plus driving capability.
+ * @param SYSCFG_I2CFastModePlus: selects the pin.
+ * This parameter can be one of the following values:
+ * @arg SYSCFG_I2CFastModePlus_PB6: Configure fast mode plus driving capability for PB6
+ * @arg SYSCFG_I2CFastModePlus_PB7: Configure fast mode plus driving capability for PB7
+ * @arg SYSCFG_I2CFastModePlus_PB8: Configure fast mode plus driving capability for PB8
+ * @arg SYSCFG_I2CFastModePlus_PB9: Configure fast mode plus driving capability for PB9
+ * @arg SYSCFG_I2CFastModePlus_PA9: Configure fast mode plus driving capability for PA9 (only for STM32F031 and STM32F030 devices)
+ * @arg SYSCFG_I2CFastModePlus_PA10: Configure fast mode plus driving capability for PA10 (only for STM32F031 and STM32F030 devices)
+ * @arg SYSCFG_I2CFastModePlus_I2C1: Configure fast mode plus driving capability for PB10, PB11, PF6 and PF7(only for STM32F031 and STM32F030 devices)
+ * @arg SYSCFG_I2CFastModePlus_I2C2: Configure fast mode plus driving capability for I2C2 pins, available only for STM32F072 devices
+ *
+ * @param NewState: new state of the DMA channel remapping.
+ * This parameter can be: ENABLE or DISABLE.
+ * @note ENABLE: Enable fast mode plus driving capability for selected I2C pin
+ * @note DISABLE: Disable fast mode plus driving capability for selected I2C pin
+ * @note For I2C1, fast mode plus driving capability can be enabled on all selected
+ * I2C1 pins using SYSCFG_I2CFastModePlus_I2C1 parameter or independently
+ * on each one of the following pins PB6, PB7, PB8 and PB9.
+ * @note For remaining I2C1 pins (PA14, PA15...) fast mode plus driving capability
+ * can be enabled only by using SYSCFG_I2CFastModePlus_I2C1 parameter.
+ * @note For all I2C2 pins fast mode plus driving capability can be enabled
+ * only by using SYSCFG_I2CFastModePlus_I2C2 parameter.
+ * @retval None
+ */
+void SYSCFG_I2CFastModePlusConfig(uint32_t SYSCFG_I2CFastModePlus, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_SYSCFG_I2C_FMP(SYSCFG_I2CFastModePlus));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable fast mode plus driving capability for selected pin */
+ SYSCFG->CFGR1 |= (uint32_t)SYSCFG_I2CFastModePlus;
+ }
+ else
+ {
+ /* Disable fast mode plus driving capability for selected pin */
+ SYSCFG->CFGR1 &= (uint32_t)(~SYSCFG_I2CFastModePlus);
+ }
+}
+
+/** @brief select the modulation envelope source
+ * @param SYSCFG_IRDAEnv: select the envelope source.
+ * This parameter can be a value
+ * @arg SYSCFG_IRDA_ENV_SEL_TIM16
+ * @arg SYSCFG_IRDA_ENV_SEL_USART1
+ * @arg SYSCFG_IRDA_ENV_SEL_USART4
+ * @retval None
+ */
+void SYSCFG_IRDAEnvSelection(uint32_t SYSCFG_IRDAEnv)
+{
+ /* Check the parameters */
+ assert_param(IS_SYSCFG_IRDA_ENV(SYSCFG_IRDAEnv));
+
+ SYSCFG->CFGR1 &= ~(SYSCFG_CFGR1_IRDA_ENV_SEL);
+ SYSCFG->CFGR1 |= (SYSCFG_IRDAEnv);
+}
+
+/**
+ * @brief Selects the GPIO pin used as EXTI Line.
+ * @param EXTI_PortSourceGPIOx: selects the GPIO port to be used as source
+ * for EXTI lines where x can be (A, B, C, D, E or F).
+ * @note GPIOE is available only for STM32F072.
+ * @note GPIOD is not available for STM32F031.
+ * @param EXTI_PinSourcex: specifies the EXTI line to be configured.
+ * @note This parameter can be EXTI_PinSourcex where x can be:
+ * For STM32F051 and STM32F030: (0..15) for GPIOA, GPIOB, GPIOC, (2) for GPIOD and (0..1, 4..7) for GIIOF.
+ * For STM32F072: (0..15) for GPIOA, GPIOB, GPIOC, GPIOD, GPIOE, (0..10) for GPIOF.
+ * For STM32F031: (0..15) for GPIOA, GPIOB, (13..15) for GPIOC and (0..1, 6..7) for GPIOF.
+ * @retval None
+ */
+void SYSCFG_EXTILineConfig(uint8_t EXTI_PortSourceGPIOx, uint8_t EXTI_PinSourcex)
+{
+ uint32_t tmp = 0x00;
+
+ /* Check the parameters */
+ assert_param(IS_EXTI_PORT_SOURCE(EXTI_PortSourceGPIOx));
+ assert_param(IS_EXTI_PIN_SOURCE(EXTI_PinSourcex));
+
+ tmp = ((uint32_t)0x0F) << (0x04 * (EXTI_PinSourcex & (uint8_t)0x03));
+ SYSCFG->EXTICR[EXTI_PinSourcex >> 0x02] &= ~tmp;
+ SYSCFG->EXTICR[EXTI_PinSourcex >> 0x02] |= (((uint32_t)EXTI_PortSourceGPIOx) << (0x04 * (EXTI_PinSourcex & (uint8_t)0x03)));
+}
+
+/**
+ * @brief check ISR wrapper: Allow to determine interrupt source per line .
+ * @param IT_Source: specifies the interrupt source to check.
+ * This parameter can be one of the following values:
+ * @arg ITLINE_EWDG EWDG has expired
+ * @arg ITLINE_PVDOUT Power voltage detection Interrupt
+ * @arg ITLINE_VDDIO2 VDDIO2 Interrupt
+ * @arg ITLINE_RTC_WAKEUP RTC WAKEUP -> exti[20] Interrupt
+ * @arg ITLINE_RTC_TSTAMP RTC Time Stamp -> exti[19] interrupt
+ * @arg ITLINE_RTC_ALRA RTC Alarm -> exti[17] interrupt
+ * @arg ITLINE_FLASH_ITF Flash ITF Interrupt
+ * @arg ITLINE_CRS CRS Interrupt
+ * @arg ITLINE_CLK_CTRL CLK Control Interrupt
+ * @arg ITLINE_EXTI0 External Interrupt 0
+ * @arg ITLINE_EXTI1 External Interrupt 1
+ * @arg ITLINE_EXTI2 External Interrupt 2
+ * @arg ITLINE_EXTI3 External Interrupt 3
+ * @arg ITLINE_EXTI4 External Interrupt 4
+ * @arg ITLINE_EXTI5 External Interrupt 5
+ * @arg ITLINE_EXTI6 External Interrupt 6
+ * @arg ITLINE_EXTI7 External Interrupt 7
+ * @arg ITLINE_EXTI8 External Interrupt 8
+ * @arg ITLINE_EXTI9 External Interrupt 9
+ * @arg ITLINE_EXTI10 External Interrupt 10
+ * @arg ITLINE_EXTI11 External Interrupt 11
+ * @arg ITLINE_EXTI12 External Interrupt 12
+ * @arg ITLINE_EXTI13 External Interrupt 13
+ * @arg ITLINE_EXTI14 External Interrupt 14
+ * @arg ITLINE_EXTI15 External Interrupt 15
+ * @arg ITLINE_TSC_EOA Touch control EOA Interrupt
+ * @arg ITLINE_TSC_MCE Touch control MCE Interrupt
+ * @arg ITLINE_DMA1_CH1 DMA1 Channel 1 Interrupt
+ * @arg ITLINE_DMA1_CH2 DMA1 Channel 2 Interrupt
+ * @arg ITLINE_DMA1_CH3 DMA1 Channel 3 Interrupt
+ * @arg ITLINE_DMA2_CH1 DMA2 Channel 1 Interrupt
+ * @arg ITLINE_DMA2_CH2 DMA2 Channel 2 Interrupt
+ * @arg ITLINE_DMA1_CH4 DMA1 Channel 4 Interrupt
+ * @arg ITLINE_DMA1_CH5 DMA1 Channel 5 Interrupt
+ * @arg ITLINE_DMA1_CH6 DMA1 Channel 6 Interrupt
+ * @arg ITLINE_DMA1_CH7 DMA1 Channel 7 Interrupt
+ * @arg ITLINE_DMA2_CH3 DMA2 Channel 3 Interrupt
+ * @arg ITLINE_DMA2_CH4 DMA2 Channel 4 Interrupt
+ * @arg ITLINE_DMA2_CH5 DMA2 Channel 5 Interrupt
+ * @arg ITLINE_ADC ADC Interrupt
+ * @arg ITLINE_COMP1 COMP1 Interrupt -> exti[21]
+ * @arg ITLINE_COMP2 COMP2 Interrupt -> exti[21]
+ * @arg ITLINE_TIM1_BRK TIM1 BRK Interrupt
+ * @arg ITLINE_TIM1_UPD TIM1 UPD Interrupt
+ * @arg ITLINE_TIM1_TRG TIM1 TRG Interrupt
+ * @arg ITLINE_TIM1_CCU TIM1 CCU Interrupt
+ * @arg ITLINE_TIM1_CC TIM1 CC Interrupt
+ * @arg ITLINE_TIM2 TIM2 Interrupt
+ * @arg ITLINE_TIM3 TIM3 Interrupt
+ * @arg ITLINE_DAC DAC Interrupt
+ * @arg ITLINE_TIM6 TIM6 Interrupt
+ * @arg ITLINE_TIM7 TIM7 Interrupt
+ * @arg ITLINE_TIM14 TIM14 Interrupt
+ * @arg ITLINE_TIM15 TIM15 Interrupt
+ * @arg ITLINE_TIM16 TIM16 Interrupt
+ * @arg ITLINE_TIM17 TIM17 Interrupt
+ * @arg ITLINE_I2C1 I2C1 Interrupt -> exti[23]
+ * @arg ITLINE_I2C2 I2C2 Interrupt
+ * @arg ITLINE_SPI1 I2C1 Interrupt -> exti[23]
+ * @arg ITLINE_SPI2 SPI1 Interrupt
+ * @arg ITLINE_USART1 USART1 GLB Interrupt -> exti[25]
+ * @arg ITLINE_USART2 USART2 GLB Interrupt -> exti[26]
+ * @arg ITLINE_USART3 USART3 Interrupt
+ * @arg ITLINE_USART4 USART4 Interrupt
+ * @arg ITLINE_USART5 USART5 Interrupt
+ * @arg ITLINE_USART6 USART6 Interrupt
+ * @arg ITLINE_USART7 USART7 Interrupt
+ * @arg ITLINE_USART8 USART8 Interrupt
+ * @arg ITLINE_CAN CAN Interrupt
+ * @arg ITLINE_CEC CEC Interrupt
+ * @retval The new state of IT_LINE_SR.
+ */
+uint32_t SYSCFG_GetPendingIT(uint32_t ITSourceLine)
+{
+ assert_param(IS_SYSCFG_ITLINE(ITSourceLine));
+ return(SYSCFG->IT_LINE_SR[(ITSourceLine >> 0x18)] & (ITSourceLine & 0x00FFFFFF));
+}
+
+/**
+ * @brief Connect the selected parameter to the break input of TIM1.
+ * @note The selected configuration is locked and can be unlocked by system reset
+ * @param SYSCFG_Break: selects the configuration to be connected to break
+ * input of TIM1
+ * This parameter can be any combination of the following values:
+ * @arg SYSCFG_Break_PVD: Connects the PVD event to the Break Input of TIM1,, not available for STM32F030 devices.
+ * @arg SYSCFG_Break_SRAMParity: Connects the SRAM_PARITY error signal to the Break Input of TIM1 .
+ * @arg SYSCFG_Break_Lockup: Connects Lockup output of CortexM0 to the break input of TIM1.
+ * @retval None
+ */
+void SYSCFG_BreakConfig(uint32_t SYSCFG_Break)
+{
+ /* Check the parameter */
+ assert_param(IS_SYSCFG_LOCK_CONFIG(SYSCFG_Break));
+
+ SYSCFG->CFGR2 |= (uint32_t) SYSCFG_Break;
+}
+
+/**
+ * @brief Checks whether the specified SYSCFG flag is set or not.
+ * @param SYSCFG_Flag: specifies the SYSCFG flag to check.
+ * This parameter can be one of the following values:
+ * @arg SYSCFG_FLAG_PE: SRAM parity error flag.
+ * @retval The new state of SYSCFG_Flag (SET or RESET).
+ */
+FlagStatus SYSCFG_GetFlagStatus(uint32_t SYSCFG_Flag)
+{
+ FlagStatus bitstatus = RESET;
+
+ /* Check the parameter */
+ assert_param(IS_SYSCFG_FLAG(SYSCFG_Flag));
+
+ /* Check the status of the specified SPI flag */
+ if ((SYSCFG->CFGR2 & SYSCFG_CFGR2_SRAM_PE) != (uint32_t)RESET)
+ {
+ /* SYSCFG_Flag is set */
+ bitstatus = SET;
+ }
+ else
+ {
+ /* SYSCFG_Flag is reset */
+ bitstatus = RESET;
+ }
+ /* Return the SYSCFG_Flag status */
+ return bitstatus;
+}
+
+/**
+ * @brief Clear the selected SYSCFG flag.
+ * @param SYSCFG_Flag: selects the flag to be cleared.
+ * This parameter can be any combination of the following values:
+ * @arg SYSCFG_FLAG_PE: SRAM parity error flag.
+ * @retval None
+ */
+void SYSCFG_ClearFlag(uint32_t SYSCFG_Flag)
+{
+ /* Check the parameter */
+ assert_param(IS_SYSCFG_FLAG(SYSCFG_Flag));
+
+ SYSCFG->CFGR2 |= (uint32_t) SYSCFG_Flag;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_tim.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_tim.c
new file mode 100644
index 00000000..2f1d00ce
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_tim.c
@@ -0,0 +1,3349 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_tim.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the TIM peripheral:
+ * + TimeBase management
+ * + Output Compare management
+ * + Input Capture management
+ * + Interrupts, DMA and flags management
+ * + Clocks management
+ * + Synchronization management
+ * + Specific interface management
+ * + Specific remapping management
+ *
+ * @verbatim
+
+ ===============================================================================
+ ##### How to use this driver #####
+ ===============================================================================
+ [..] This driver provides functions to configure and program the TIM
+ of all STM32F0xx devices These functions are split in 8 groups:
+ (#) TIM TimeBase management: this group includes all needed functions
+ to configure the TM Timebase unit:
+ (++) Set/Get Prescaler.
+ (++) Set/Get Autoreload.
+ (++) Counter modes configuration.
+ (++) Set Clock division.
+ (++) Select the One Pulse mode.
+ (++) Update Request Configuration.
+ (++) Update Disable Configuration.
+ (++) Auto-Preload Configuration.
+ (++) Enable/Disable the counter.
+
+ (#) TIM Output Compare management: this group includes all needed
+ functions to configure the Capture/Compare unit used in Output
+ compare mode:
+ (++) Configure each channel, independently, in Output Compare mode.
+ (++) Select the output compare modes.
+ (++) Select the Polarities of each channel.
+ (++) Set/Get the Capture/Compare register values.
+ (++) Select the Output Compare Fast mode.
+ (++) Select the Output Compare Forced mode.
+ (++) Output Compare-Preload Configuration.
+ (++) Clear Output Compare Reference.
+ (++) Select the OCREF Clear signal.
+ (++) Enable/Disable the Capture/Compare Channels.
+
+ (#) TIM Input Capture management: this group includes all needed
+ functions to configure the Capture/Compare unit used in
+ Input Capture mode:
+ (++) Configure each channel in input capture mode.
+ (++) Configure Channel1/2 in PWM Input mode.
+ (++) Set the Input Capture Prescaler.
+ (++) Get the Capture/Compare values.
+
+ (#) Advanced-control timers (TIM1) specific features
+ (++) Configures the Break input, dead time, Lock level, the OSSI,
+ the OSSR State and the AOE(automatic output enable)
+ (++) Enable/Disable the TIM peripheral Main Outputs
+ (++) Select the Commutation event
+ (++) Set/Reset the Capture Compare Preload Control bit
+
+ (#) TIM interrupts, DMA and flags management.
+ (++) Enable/Disable interrupt sources.
+ (++) Get flags status.
+ (++) Clear flags/ Pending bits.
+ (++) Enable/Disable DMA requests.
+ (++) Configure DMA burst mode.
+ (++) Select CaptureCompare DMA request.
+
+ (#) TIM clocks management: this group includes all needed functions
+ to configure the clock controller unit:
+ (++) Select internal/External clock.
+ (++) Select the external clock mode: ETR(Mode1/Mode2), TIx or ITRx.
+
+ (#) TIM synchronization management: this group includes all needed.
+ functions to configure the Synchronization unit:
+ (++) Select Input Trigger.
+ (++) Select Output Trigger.
+ (++) Select Master Slave Mode.
+ (++) ETR Configuration when used as external trigger.
+
+ (#) TIM specific interface management, this group includes all
+ needed functions to use the specific TIM interface:
+ (++) Encoder Interface Configuration.
+ (++) Select Hall Sensor.
+
+ (#) TIM specific remapping management includes the Remapping
+ configuration of specific timers
+
+@endverbatim
+ *
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_tim.h"
+#include "stm32f0xx_rcc.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup TIM
+ * @brief TIM driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+
+/* ---------------------- TIM registers bit mask ------------------------ */
+#define SMCR_ETR_MASK ((uint16_t)0x00FF)
+#define CCMR_OFFSET ((uint16_t)0x0018)
+#define CCER_CCE_SET ((uint16_t)0x0001)
+#define CCER_CCNE_SET ((uint16_t)0x0004)
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+
+static void TI1_Config(TIM_TypeDef* TIMx, uint16_t TIM_ICPolarity, uint16_t TIM_ICSelection,
+ uint16_t TIM_ICFilter);
+static void TI2_Config(TIM_TypeDef* TIMx, uint16_t TIM_ICPolarity, uint16_t TIM_ICSelection,
+ uint16_t TIM_ICFilter);
+static void TI3_Config(TIM_TypeDef* TIMx, uint16_t TIM_ICPolarity, uint16_t TIM_ICSelection,
+ uint16_t TIM_ICFilter);
+static void TI4_Config(TIM_TypeDef* TIMx, uint16_t TIM_ICPolarity, uint16_t TIM_ICSelection,
+ uint16_t TIM_ICFilter);
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup TIM_Private_Functions
+ * @{
+ */
+
+/** @defgroup TIM_Group1 TimeBase management functions
+ * @brief TimeBase management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### TimeBase management functions #####
+ ===============================================================================
+
+ *** TIM Driver: how to use it in Timing(Time base) Mode ***
+ ===============================================================================
+ [..] To use the Timer in Timing(Time base) mode, the following steps are
+ mandatory:
+ (#) Enable TIM clock using
+ RCC_APBxPeriphClockCmd(RCC_APBxPeriph_TIMx, ENABLE) function.
+ (#) Fill the TIM_TimeBaseInitStruct with the desired parameters.
+ (#) Call TIM_TimeBaseInit(TIMx, &TIM_TimeBaseInitStruct) to configure
+ the Time Base unit with the corresponding configuration.
+ (#) Enable the NVIC if you need to generate the update interrupt.
+ (#) Enable the corresponding interrupt using the function
+ TIM_ITConfig(TIMx, TIM_IT_Update).
+ (#) Call the TIM_Cmd(ENABLE) function to enable the TIM counter.
+ [..]
+ (@) All other functions can be used seperatly to modify, if needed,
+ a specific feature of the Timer.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Deinitializes the TIMx peripheral registers to their default reset values.
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, 14, 15, 16 and 17 to select the TIM peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @retval None
+ *
+ */
+void TIM_DeInit(TIM_TypeDef* TIMx)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_ALL_PERIPH(TIMx));
+
+ if (TIMx == TIM1)
+ {
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_TIM1, ENABLE);
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_TIM1, DISABLE);
+ }
+ else if (TIMx == TIM2)
+ {
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_TIM2, ENABLE);
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_TIM2, DISABLE);
+ }
+ else if (TIMx == TIM3)
+ {
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_TIM3, ENABLE);
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_TIM3, DISABLE);
+ }
+ else if (TIMx == TIM6)
+ {
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_TIM6, ENABLE);
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_TIM6, DISABLE);
+ }
+ else if (TIMx == TIM7)
+ {
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_TIM7, ENABLE);
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_TIM7, DISABLE);
+ }
+ else if (TIMx == TIM14)
+ {
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_TIM14, ENABLE);
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_TIM14, DISABLE);
+ }
+ else if (TIMx == TIM15)
+ {
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_TIM15, ENABLE);
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_TIM15, DISABLE);
+ }
+ else if (TIMx == TIM16)
+ {
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_TIM16, ENABLE);
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_TIM16, DISABLE);
+ }
+ else
+ {
+ if (TIMx == TIM17)
+ {
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_TIM17, ENABLE);
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_TIM17, DISABLE);
+ }
+ }
+
+}
+
+/**
+ * @brief Initializes the TIMx Time Base Unit peripheral according to
+ * the specified parameters in the TIM_TimeBaseInitStruct.
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, 14, 15, 16 and 17 to select the TIM
+ * peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_TimeBaseInitStruct: pointer to a TIM_TimeBaseInitTypeDef
+ * structure that contains the configuration information for
+ * the specified TIM peripheral.
+ * @retval None
+ */
+void TIM_TimeBaseInit(TIM_TypeDef* TIMx, TIM_TimeBaseInitTypeDef* TIM_TimeBaseInitStruct)
+{
+ uint16_t tmpcr1 = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_ALL_PERIPH(TIMx));
+ assert_param(IS_TIM_COUNTER_MODE(TIM_TimeBaseInitStruct->TIM_CounterMode));
+ assert_param(IS_TIM_CKD_DIV(TIM_TimeBaseInitStruct->TIM_ClockDivision));
+
+ tmpcr1 = TIMx->CR1;
+
+ if((TIMx == TIM1) || (TIMx == TIM2) || (TIMx == TIM3))
+ {
+ /* Select the Counter Mode */
+ tmpcr1 &= (uint16_t)(~((uint16_t)(TIM_CR1_DIR | TIM_CR1_CMS)));
+ tmpcr1 |= (uint32_t)TIM_TimeBaseInitStruct->TIM_CounterMode;
+ }
+
+ if(TIMx != TIM6)
+ {
+ /* Set the clock division */
+ tmpcr1 &= (uint16_t)(~((uint16_t)TIM_CR1_CKD));
+ tmpcr1 |= (uint32_t)TIM_TimeBaseInitStruct->TIM_ClockDivision;
+ }
+
+ TIMx->CR1 = tmpcr1;
+
+ /* Set the Autoreload value */
+ TIMx->ARR = TIM_TimeBaseInitStruct->TIM_Period ;
+
+ /* Set the Prescaler value */
+ TIMx->PSC = TIM_TimeBaseInitStruct->TIM_Prescaler;
+
+ if ((TIMx == TIM1) || (TIMx == TIM15)|| (TIMx == TIM16) || (TIMx == TIM17))
+ {
+ /* Set the Repetition Counter value */
+ TIMx->RCR = TIM_TimeBaseInitStruct->TIM_RepetitionCounter;
+ }
+
+ /* Generate an update event to reload the Prescaler and the Repetition counter
+ values immediately */
+ TIMx->EGR = TIM_PSCReloadMode_Immediate;
+}
+
+/**
+ * @brief Fills each TIM_TimeBaseInitStruct member with its default value.
+ * @param TIM_TimeBaseInitStruct: pointer to a TIM_TimeBaseInitTypeDef structure
+ * which will be initialized.
+ * @retval None
+ */
+void TIM_TimeBaseStructInit(TIM_TimeBaseInitTypeDef* TIM_TimeBaseInitStruct)
+{
+ /* Set the default configuration */
+ TIM_TimeBaseInitStruct->TIM_Period = 0xFFFFFFFF;
+ TIM_TimeBaseInitStruct->TIM_Prescaler = 0x0000;
+ TIM_TimeBaseInitStruct->TIM_ClockDivision = TIM_CKD_DIV1;
+ TIM_TimeBaseInitStruct->TIM_CounterMode = TIM_CounterMode_Up;
+ TIM_TimeBaseInitStruct->TIM_RepetitionCounter = 0x0000;
+}
+
+/**
+ * @brief Configures the TIMx Prescaler.
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, 14, 15, 16 and 17 to select the TIM peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param Prescaler: specifies the Prescaler Register value
+ * @param TIM_PSCReloadMode: specifies the TIM Prescaler Reload mode
+ * This parameter can be one of the following values:
+ * @arg TIM_PSCReloadMode_Update: The Prescaler is loaded at the update event.
+ * @arg TIM_PSCReloadMode_Immediate: The Prescaler is loaded immediatly.
+ * @retval None
+ */
+void TIM_PrescalerConfig(TIM_TypeDef* TIMx, uint16_t Prescaler, uint16_t TIM_PSCReloadMode)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_ALL_PERIPH(TIMx));
+ assert_param(IS_TIM_PRESCALER_RELOAD(TIM_PSCReloadMode));
+
+ /* Set the Prescaler value */
+ TIMx->PSC = Prescaler;
+ /* Set or reset the UG Bit */
+ TIMx->EGR = TIM_PSCReloadMode;
+}
+
+/**
+ * @brief Specifies the TIMx Counter Mode to be used.
+ * @param TIMx: where x can be 1, 2, or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_CounterMode: specifies the Counter Mode to be used
+ * This parameter can be one of the following values:
+ * @arg TIM_CounterMode_Up: TIM Up Counting Mode
+ * @arg TIM_CounterMode_Down: TIM Down Counting Mode
+ * @arg TIM_CounterMode_CenterAligned1: TIM Center Aligned Mode1
+ * @arg TIM_CounterMode_CenterAligned2: TIM Center Aligned Mode2
+ * @arg TIM_CounterMode_CenterAligned3: TIM Center Aligned Mode3
+ * @retval None
+ */
+void TIM_CounterModeConfig(TIM_TypeDef* TIMx, uint16_t TIM_CounterMode)
+{
+ uint16_t tmpcr1 = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_TIM_COUNTER_MODE(TIM_CounterMode));
+
+ tmpcr1 = TIMx->CR1;
+ /* Reset the CMS and DIR Bits */
+ tmpcr1 &= (uint16_t)(~((uint16_t)(TIM_CR1_DIR | TIM_CR1_CMS)));
+ /* Set the Counter Mode */
+ tmpcr1 |= TIM_CounterMode;
+ /* Write to TIMx CR1 register */
+ TIMx->CR1 = tmpcr1;
+}
+
+/**
+ * @brief Sets the TIMx Counter Register value
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, 14, 15, 16 and 17 to select the TIM
+ * peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param Counter: specifies the Counter register new value.
+ * @retval None
+ */
+void TIM_SetCounter(TIM_TypeDef* TIMx, uint32_t Counter)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_ALL_PERIPH(TIMx));
+
+ /* Set the Counter Register value */
+ TIMx->CNT = Counter;
+}
+
+/**
+ * @brief Sets the TIMx Autoreload Register value
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, 14, 15, 16 and 17 to select the TIM peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param Autoreload: specifies the Autoreload register new value.
+ * @retval None
+ */
+void TIM_SetAutoreload(TIM_TypeDef* TIMx, uint32_t Autoreload)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_ALL_PERIPH(TIMx));
+
+ /* Set the Autoreload Register value */
+ TIMx->ARR = Autoreload;
+}
+
+/**
+ * @brief Gets the TIMx Counter value.
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, 14, 15, 16 and 17 to select the TIM
+ * peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @retval Counter Register value.
+ */
+uint32_t TIM_GetCounter(TIM_TypeDef* TIMx)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_ALL_PERIPH(TIMx));
+
+ /* Get the Counter Register value */
+ return TIMx->CNT;
+}
+
+/**
+ * @brief Gets the TIMx Prescaler value.
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, 14, 15, 16 and 17 to select the TIM
+ * peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @retval Prescaler Register value.
+ */
+uint16_t TIM_GetPrescaler(TIM_TypeDef* TIMx)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_ALL_PERIPH(TIMx));
+
+ /* Get the Prescaler Register value */
+ return TIMx->PSC;
+}
+
+/**
+ * @brief Enables or Disables the TIMx Update event.
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, 14, 15, 16 and 17 to select the TIM
+ * peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param NewState: new state of the TIMx UDIS bit
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void TIM_UpdateDisableConfig(TIM_TypeDef* TIMx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_ALL_PERIPH(TIMx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Set the Update Disable Bit */
+ TIMx->CR1 |= TIM_CR1_UDIS;
+ }
+ else
+ {
+ /* Reset the Update Disable Bit */
+ TIMx->CR1 &= (uint16_t)~((uint16_t)TIM_CR1_UDIS);
+ }
+}
+
+/**
+ * @brief Configures the TIMx Update Request Interrupt source.
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, 14, 15, 16 and 17 to select the TIM
+ * peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_UpdateSource: specifies the Update source.
+ * This parameter can be one of the following values:
+ * @arg TIM_UpdateSource_Regular: Source of update is the counter
+ * overflow/underflow or the setting of UG bit, or an update
+ * generation through the slave mode controller.
+ * @arg TIM_UpdateSource_Global: Source of update is counter overflow/underflow.
+ * @retval None
+ */
+void TIM_UpdateRequestConfig(TIM_TypeDef* TIMx, uint16_t TIM_UpdateSource)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_ALL_PERIPH(TIMx));
+ assert_param(IS_TIM_UPDATE_SOURCE(TIM_UpdateSource));
+
+ if (TIM_UpdateSource != TIM_UpdateSource_Global)
+ {
+ /* Set the URS Bit */
+ TIMx->CR1 |= TIM_CR1_URS;
+ }
+ else
+ {
+ /* Reset the URS Bit */
+ TIMx->CR1 &= (uint16_t)~((uint16_t)TIM_CR1_URS);
+ }
+}
+
+/**
+ * @brief Enables or disables TIMx peripheral Preload register on ARR.
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, 14, 15, 16 and 17 to select the TIM
+ * peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param NewState: new state of the TIMx peripheral Preload register
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void TIM_ARRPreloadConfig(TIM_TypeDef* TIMx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_ALL_PERIPH(TIMx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Set the ARR Preload Bit */
+ TIMx->CR1 |= TIM_CR1_ARPE;
+ }
+ else
+ {
+ /* Reset the ARR Preload Bit */
+ TIMx->CR1 &= (uint16_t)~((uint16_t)TIM_CR1_ARPE);
+ }
+}
+
+/**
+ * @brief Selects the TIMx's One Pulse Mode.
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, 14, 15, 16 and 17 to select the TIM
+ * peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OPMode: specifies the OPM Mode to be used.
+ * This parameter can be one of the following values:
+ * @arg TIM_OPMode_Single
+ * @arg TIM_OPMode_Repetitive
+ * @retval None
+ */
+void TIM_SelectOnePulseMode(TIM_TypeDef* TIMx, uint16_t TIM_OPMode)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_ALL_PERIPH(TIMx));
+ assert_param(IS_TIM_OPM_MODE(TIM_OPMode));
+
+ /* Reset the OPM Bit */
+ TIMx->CR1 &= (uint16_t)~((uint16_t)TIM_CR1_OPM);
+ /* Configure the OPM Mode */
+ TIMx->CR1 |= TIM_OPMode;
+}
+
+/**
+ * @brief Sets the TIMx Clock Division value.
+ * @param TIMx: where x can be 1, 2, 3, 14, 15, 16 and 17 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_CKD: specifies the clock division value.
+ * This parameter can be one of the following value:
+ * @arg TIM_CKD_DIV1: TDTS = Tck_tim
+ * @arg TIM_CKD_DIV2: TDTS = 2*Tck_tim
+ * @arg TIM_CKD_DIV4: TDTS = 4*Tck_tim
+ * @retval None
+ */
+void TIM_SetClockDivision(TIM_TypeDef* TIMx, uint16_t TIM_CKD)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST4_PERIPH(TIMx));
+ assert_param(IS_TIM_CKD_DIV(TIM_CKD));
+
+ /* Reset the CKD Bits */
+ TIMx->CR1 &= (uint16_t)~((uint16_t)TIM_CR1_CKD);
+ /* Set the CKD value */
+ TIMx->CR1 |= TIM_CKD;
+}
+
+/**
+ * @brief Enables or disables the specified TIM peripheral.
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, 14, 15, 16 and 17to select the TIMx
+ * peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param NewState: new state of the TIMx peripheral.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void TIM_Cmd(TIM_TypeDef* TIMx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_ALL_PERIPH(TIMx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the TIM Counter */
+ TIMx->CR1 |= TIM_CR1_CEN;
+ }
+ else
+ {
+ /* Disable the TIM Counter */
+ TIMx->CR1 &= (uint16_t)(~((uint16_t)TIM_CR1_CEN));
+ }
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Group2 Advanced-control timers (TIM1) specific features
+ * @brief Advanced-control timers (TIM1) specific features
+ *
+@verbatim
+ ===============================================================================
+ ##### Advanced-control timers (TIM1) specific features #####
+ ===============================================================================
+
+ ===================================================================
+ *** TIM Driver: how to use the Break feature ***
+ ===================================================================
+ [..] After configuring the Timer channel(s) in the appropriate Output Compare mode:
+
+ (#) Fill the TIM_BDTRInitStruct with the desired parameters for the Timer
+ Break Polarity, dead time, Lock level, the OSSI/OSSR State and the
+ AOE(automatic output enable).
+
+ (#) Call TIM_BDTRConfig(TIMx, &TIM_BDTRInitStruct) to configure the Timer
+
+ (#) Enable the Main Output using TIM_CtrlPWMOutputs(TIM1, ENABLE)
+
+ (#) Once the break even occurs, the Timer's output signals are put in reset
+ state or in a known state (according to the configuration made in
+ TIM_BDTRConfig() function).
+
+@endverbatim
+ * @{
+ */
+/**
+ * @brief Configures the: Break feature, dead time, Lock level, OSSI/OSSR State
+ * and the AOE(automatic output enable).
+ * @param TIMx: where x can be 1, 15, 16 or 17 to select the TIM
+ * @param TIM_BDTRInitStruct: pointer to a TIM_BDTRInitTypeDef structure that
+ * contains the BDTR Register configuration information for the TIM peripheral.
+ * @retval None
+ */
+void TIM_BDTRConfig(TIM_TypeDef* TIMx, TIM_BDTRInitTypeDef *TIM_BDTRInitStruct)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST2_PERIPH(TIMx));
+ assert_param(IS_TIM_OSSR_STATE(TIM_BDTRInitStruct->TIM_OSSRState));
+ assert_param(IS_TIM_OSSI_STATE(TIM_BDTRInitStruct->TIM_OSSIState));
+ assert_param(IS_TIM_LOCK_LEVEL(TIM_BDTRInitStruct->TIM_LOCKLevel));
+ assert_param(IS_TIM_BREAK_STATE(TIM_BDTRInitStruct->TIM_Break));
+ assert_param(IS_TIM_BREAK_POLARITY(TIM_BDTRInitStruct->TIM_BreakPolarity));
+ assert_param(IS_TIM_AUTOMATIC_OUTPUT_STATE(TIM_BDTRInitStruct->TIM_AutomaticOutput));
+ /* Set the Lock level, the Break enable Bit and the Ploarity, the OSSR State,
+ the OSSI State, the dead time value and the Automatic Output Enable Bit */
+ TIMx->BDTR = (uint32_t)TIM_BDTRInitStruct->TIM_OSSRState | TIM_BDTRInitStruct->TIM_OSSIState |
+ TIM_BDTRInitStruct->TIM_LOCKLevel | TIM_BDTRInitStruct->TIM_DeadTime |
+ TIM_BDTRInitStruct->TIM_Break | TIM_BDTRInitStruct->TIM_BreakPolarity |
+ TIM_BDTRInitStruct->TIM_AutomaticOutput;
+}
+
+/**
+ * @brief Fills each TIM_BDTRInitStruct member with its default value.
+ * @param TIM_BDTRInitStruct: pointer to a TIM_BDTRInitTypeDef structure which
+ * will be initialized.
+ * @retval None
+ */
+void TIM_BDTRStructInit(TIM_BDTRInitTypeDef* TIM_BDTRInitStruct)
+{
+ /* Set the default configuration */
+ TIM_BDTRInitStruct->TIM_OSSRState = TIM_OSSRState_Disable;
+ TIM_BDTRInitStruct->TIM_OSSIState = TIM_OSSIState_Disable;
+ TIM_BDTRInitStruct->TIM_LOCKLevel = TIM_LOCKLevel_OFF;
+ TIM_BDTRInitStruct->TIM_DeadTime = 0x00;
+ TIM_BDTRInitStruct->TIM_Break = TIM_Break_Disable;
+ TIM_BDTRInitStruct->TIM_BreakPolarity = TIM_BreakPolarity_Low;
+ TIM_BDTRInitStruct->TIM_AutomaticOutput = TIM_AutomaticOutput_Disable;
+}
+
+/**
+ * @brief Enables or disables the TIM peripheral Main Outputs.
+ * @param TIMx: where x can be 1, 15, 16 or 17 to select the TIMx peripheral.
+ * @param NewState: new state of the TIM peripheral Main Outputs.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void TIM_CtrlPWMOutputs(TIM_TypeDef* TIMx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST2_PERIPH(TIMx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+ if (NewState != DISABLE)
+ {
+ /* Enable the TIM Main Output */
+ TIMx->BDTR |= TIM_BDTR_MOE;
+ }
+ else
+ {
+ /* Disable the TIM Main Output */
+ TIMx->BDTR &= (uint16_t)(~((uint16_t)TIM_BDTR_MOE));
+ }
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Group3 Output Compare management functions
+ * @brief Output Compare management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Output Compare management functions #####
+ ===============================================================================
+ *** TIM Driver: how to use it in Output Compare Mode ***
+ ===============================================================================
+ [..] To use the Timer in Output Compare mode, the following steps are mandatory:
+ (#) Enable TIM clock using
+ RCC_APBxPeriphClockCmd(RCC_APBxPeriph_TIMx, ENABLE) function.
+ (#) Configure the TIM pins by configuring the corresponding GPIO pins
+ (#) Configure the Time base unit as described in the first part of this
+ driver, if needed, else the Timer will run with the default
+ configuration:
+ (++) Autoreload value = 0xFFFF.
+ (++) Prescaler value = 0x0000.
+ (++) Counter mode = Up counting.
+ (++) Clock Division = TIM_CKD_DIV1.
+ (#) Fill the TIM_OCInitStruct with the desired parameters including:
+ (++) The TIM Output Compare mode: TIM_OCMode.
+ (++) TIM Output State: TIM_OutputState.
+ (++) TIM Pulse value: TIM_Pulse.
+ (++) TIM Output Compare Polarity : TIM_OCPolarity.
+ (#) Call TIM_OCxInit(TIMx, &TIM_OCInitStruct) to configure the desired
+ channel with the corresponding configuration.
+ (#) Call the TIM_Cmd(ENABLE) function to enable the TIM counter.
+ [..]
+ (@) All other functions can be used separately to modify, if needed,
+ a specific feature of the Timer.
+ (@) In case of PWM mode, this function is mandatory:
+ TIM_OCxPreloadConfig(TIMx, TIM_OCPreload_ENABLE).
+ (@) If the corresponding interrupt or DMA request are needed, the user should:
+ (#@) Enable the NVIC (or the DMA) to use the TIM interrupts (or DMA requests).
+ (#@) Enable the corresponding interrupt (or DMA request) using the function
+ TIM_ITConfig(TIMx, TIM_IT_CCx) (or TIM_DMA_Cmd(TIMx, TIM_DMA_CCx)).
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Initializes the TIMx Channel1 according to the specified
+ * parameters in the TIM_OCInitStruct.
+ * @param TIMx: where x can be 1, 2, 3, 14, 15, 16 and 17 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCInitStruct: pointer to a TIM_OCInitTypeDef structure
+ * that contains the configuration information for the specified TIM
+ * peripheral.
+ * @retval None
+ */
+void TIM_OC1Init(TIM_TypeDef* TIMx, TIM_OCInitTypeDef* TIM_OCInitStruct)
+{
+ uint16_t tmpccmrx = 0, tmpccer = 0, tmpcr2 = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST4_PERIPH(TIMx));
+ assert_param(IS_TIM_OC_MODE(TIM_OCInitStruct->TIM_OCMode));
+ assert_param(IS_TIM_OUTPUT_STATE(TIM_OCInitStruct->TIM_OutputState));
+ assert_param(IS_TIM_OC_POLARITY(TIM_OCInitStruct->TIM_OCPolarity));
+ /* Disable the Channel 1: Reset the CC1E Bit */
+ TIMx->CCER &= (uint16_t)(~(uint16_t)TIM_CCER_CC1E);
+ /* Get the TIMx CCER register value */
+ tmpccer = TIMx->CCER;
+ /* Get the TIMx CR2 register value */
+ tmpcr2 = TIMx->CR2;
+
+ /* Get the TIMx CCMR1 register value */
+ tmpccmrx = TIMx->CCMR1;
+
+ /* Reset the Output Compare Mode Bits */
+ tmpccmrx &= (uint16_t)(~((uint16_t)TIM_CCMR1_OC1M));
+ tmpccmrx &= (uint16_t)(~((uint16_t)TIM_CCMR1_CC1S));
+
+ /* Select the Output Compare Mode */
+ tmpccmrx |= TIM_OCInitStruct->TIM_OCMode;
+
+ /* Reset the Output Polarity level */
+ tmpccer &= (uint16_t)(~((uint16_t)TIM_CCER_CC1P));
+ /* Set the Output Compare Polarity */
+ tmpccer |= TIM_OCInitStruct->TIM_OCPolarity;
+
+ /* Set the Output State */
+ tmpccer |= TIM_OCInitStruct->TIM_OutputState;
+
+ if((TIMx == TIM1) || (TIMx == TIM15) || (TIMx == TIM16) || (TIMx == TIM17))
+ {
+ assert_param(IS_TIM_OUTPUTN_STATE(TIM_OCInitStruct->TIM_OutputNState));
+ assert_param(IS_TIM_OCN_POLARITY(TIM_OCInitStruct->TIM_OCNPolarity));
+ assert_param(IS_TIM_OCNIDLE_STATE(TIM_OCInitStruct->TIM_OCNIdleState));
+ assert_param(IS_TIM_OCIDLE_STATE(TIM_OCInitStruct->TIM_OCIdleState));
+
+ /* Reset the Output N Polarity level */
+ tmpccer &= (uint16_t)(~((uint16_t)TIM_CCER_CC1NP));
+ /* Set the Output N Polarity */
+ tmpccer |= TIM_OCInitStruct->TIM_OCNPolarity;
+
+ /* Reset the Output N State */
+ tmpccer &= (uint16_t)(~((uint16_t)TIM_CCER_CC1NE));
+ /* Set the Output N State */
+ tmpccer |= TIM_OCInitStruct->TIM_OutputNState;
+
+ /* Reset the Ouput Compare and Output Compare N IDLE State */
+ tmpcr2 &= (uint16_t)(~((uint16_t)TIM_CR2_OIS1));
+ tmpcr2 &= (uint16_t)(~((uint16_t)TIM_CR2_OIS1N));
+
+ /* Set the Output Idle state */
+ tmpcr2 |= TIM_OCInitStruct->TIM_OCIdleState;
+ /* Set the Output N Idle state */
+ tmpcr2 |= TIM_OCInitStruct->TIM_OCNIdleState;
+ }
+ /* Write to TIMx CR2 */
+ TIMx->CR2 = tmpcr2;
+
+ /* Write to TIMx CCMR1 */
+ TIMx->CCMR1 = tmpccmrx;
+
+ /* Set the Capture Compare Register value */
+ TIMx->CCR1 = TIM_OCInitStruct->TIM_Pulse;
+
+ /* Write to TIMx CCER */
+ TIMx->CCER = tmpccer;
+}
+
+/**
+ * @brief Initializes the TIMx Channel2 according to the specified
+ * parameters in the TIM_OCInitStruct.
+ * @param TIMx: where x can be 1, 2, 3 or 15 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCInitStruct: pointer to a TIM_OCInitTypeDef structure
+ * that contains the configuration information for the specified TIM
+ * peripheral.
+ * @retval None
+ */
+void TIM_OC2Init(TIM_TypeDef* TIMx, TIM_OCInitTypeDef* TIM_OCInitStruct)
+{
+ uint16_t tmpccmrx = 0, tmpccer = 0, tmpcr2 = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST6_PERIPH(TIMx));
+ assert_param(IS_TIM_OC_MODE(TIM_OCInitStruct->TIM_OCMode));
+ assert_param(IS_TIM_OUTPUT_STATE(TIM_OCInitStruct->TIM_OutputState));
+ assert_param(IS_TIM_OC_POLARITY(TIM_OCInitStruct->TIM_OCPolarity));
+ /* Disable the Channel 2: Reset the CC2E Bit */
+ TIMx->CCER &= (uint16_t)(~((uint16_t)TIM_CCER_CC2E));
+
+ /* Get the TIMx CCER register value */
+ tmpccer = TIMx->CCER;
+ /* Get the TIMx CR2 register value */
+ tmpcr2 = TIMx->CR2;
+
+ /* Get the TIMx CCMR1 register value */
+ tmpccmrx = TIMx->CCMR1;
+
+ /* Reset the Output Compare mode and Capture/Compare selection Bits */
+ tmpccmrx &= (uint16_t)(~((uint16_t)TIM_CCMR1_OC2M));
+ tmpccmrx &= (uint16_t)(~((uint16_t)TIM_CCMR1_CC2S));
+
+ /* Select the Output Compare Mode */
+ tmpccmrx |= (uint16_t)(TIM_OCInitStruct->TIM_OCMode << 8);
+
+ /* Reset the Output Polarity level */
+ tmpccer &= (uint16_t)(~((uint16_t)TIM_CCER_CC2P));
+ /* Set the Output Compare Polarity */
+ tmpccer |= (uint16_t)(TIM_OCInitStruct->TIM_OCPolarity << 4);
+
+ /* Set the Output State */
+ tmpccer |= (uint16_t)(TIM_OCInitStruct->TIM_OutputState << 4);
+
+ if((TIMx == TIM1) || (TIMx == TIM15))
+ {
+ /* Check the parameters */
+ assert_param(IS_TIM_OCIDLE_STATE(TIM_OCInitStruct->TIM_OCIdleState));
+
+ /* Reset the Ouput Compare State */
+ tmpcr2 &= (uint16_t)(~((uint16_t)TIM_CR2_OIS2));
+
+ /* Set the Output Idle state */
+ tmpcr2 |= (uint16_t)(TIM_OCInitStruct->TIM_OCIdleState << 2);
+
+ if (TIMx == TIM1)
+ {
+ /* Check the parameters */
+ assert_param(IS_TIM_OUTPUTN_STATE(TIM_OCInitStruct->TIM_OutputNState));
+ assert_param(IS_TIM_OCN_POLARITY(TIM_OCInitStruct->TIM_OCNPolarity));
+ assert_param(IS_TIM_OCNIDLE_STATE(TIM_OCInitStruct->TIM_OCNIdleState));
+
+ /* Reset the Output N Polarity level */
+ tmpccer &= (uint16_t)(~((uint16_t)TIM_CCER_CC2NP));
+ /* Set the Output N Polarity */
+ tmpccer |= (uint16_t)(TIM_OCInitStruct->TIM_OCNPolarity << 4);
+
+ /* Reset the Output N State */
+ tmpccer &= (uint16_t)(~((uint16_t)TIM_CCER_CC2NE));
+ /* Set the Output N State */
+ tmpccer |= (uint16_t)(TIM_OCInitStruct->TIM_OutputNState << 4);
+
+ /* Reset the Output Compare N IDLE State */
+ tmpcr2 &= (uint16_t)(~((uint16_t)TIM_CR2_OIS2N));
+
+ /* Set the Output N Idle state */
+ tmpcr2 |= (uint16_t)(TIM_OCInitStruct->TIM_OCNIdleState << 2);
+ }
+ }
+ /* Write to TIMx CR2 */
+ TIMx->CR2 = tmpcr2;
+
+ /* Write to TIMx CCMR1 */
+ TIMx->CCMR1 = tmpccmrx;
+
+ /* Set the Capture Compare Register value */
+ TIMx->CCR2 = TIM_OCInitStruct->TIM_Pulse;
+
+ /* Write to TIMx CCER */
+ TIMx->CCER = tmpccer;
+}
+
+/**
+ * @brief Initializes the TIMx Channel3 according to the specified
+ * parameters in the TIM_OCInitStruct.
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCInitStruct: pointer to a TIM_OCInitTypeDef structure
+ * that contains the configuration information for the specified TIM
+ * peripheral.
+ * @retval None
+ */
+void TIM_OC3Init(TIM_TypeDef* TIMx, TIM_OCInitTypeDef* TIM_OCInitStruct)
+{
+ uint16_t tmpccmrx = 0, tmpccer = 0, tmpcr2 = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_TIM_OC_MODE(TIM_OCInitStruct->TIM_OCMode));
+ assert_param(IS_TIM_OUTPUT_STATE(TIM_OCInitStruct->TIM_OutputState));
+ assert_param(IS_TIM_OC_POLARITY(TIM_OCInitStruct->TIM_OCPolarity));
+ /* Disable the Channel 2: Reset the CC2E Bit */
+ TIMx->CCER &= (uint16_t)(~((uint16_t)TIM_CCER_CC3E));
+
+ /* Get the TIMx CCER register value */
+ tmpccer = TIMx->CCER;
+ /* Get the TIMx CR2 register value */
+ tmpcr2 = TIMx->CR2;
+
+ /* Get the TIMx CCMR2 register value */
+ tmpccmrx = TIMx->CCMR2;
+
+ /* Reset the Output Compare mode and Capture/Compare selection Bits */
+ tmpccmrx &= (uint16_t)(~((uint16_t)TIM_CCMR2_OC3M));
+ tmpccmrx &= (uint16_t)(~((uint16_t)TIM_CCMR2_CC3S));
+ /* Select the Output Compare Mode */
+ tmpccmrx |= TIM_OCInitStruct->TIM_OCMode;
+
+ /* Reset the Output Polarity level */
+ tmpccer &= (uint16_t)(~((uint16_t)TIM_CCER_CC3P));
+ /* Set the Output Compare Polarity */
+ tmpccer |= (uint16_t)(TIM_OCInitStruct->TIM_OCPolarity << 8);
+
+ /* Set the Output State */
+ tmpccer |= (uint16_t)(TIM_OCInitStruct->TIM_OutputState << 8);
+
+ if(TIMx == TIM1)
+ {
+ assert_param(IS_TIM_OUTPUTN_STATE(TIM_OCInitStruct->TIM_OutputNState));
+ assert_param(IS_TIM_OCN_POLARITY(TIM_OCInitStruct->TIM_OCNPolarity));
+ assert_param(IS_TIM_OCNIDLE_STATE(TIM_OCInitStruct->TIM_OCNIdleState));
+ assert_param(IS_TIM_OCIDLE_STATE(TIM_OCInitStruct->TIM_OCIdleState));
+
+ /* Reset the Output N Polarity level */
+ tmpccer &= (uint16_t)(~((uint16_t)TIM_CCER_CC3NP));
+ /* Set the Output N Polarity */
+ tmpccer |= (uint16_t)(TIM_OCInitStruct->TIM_OCNPolarity << 8);
+ /* Reset the Output N State */
+ tmpccer &= (uint16_t)(~((uint16_t)TIM_CCER_CC3NE));
+
+ /* Set the Output N State */
+ tmpccer |= (uint16_t)(TIM_OCInitStruct->TIM_OutputNState << 8);
+ /* Reset the Ouput Compare and Output Compare N IDLE State */
+ tmpcr2 &= (uint16_t)(~((uint16_t)TIM_CR2_OIS3));
+ tmpcr2 &= (uint16_t)(~((uint16_t)TIM_CR2_OIS3N));
+ /* Set the Output Idle state */
+ tmpcr2 |= (uint16_t)(TIM_OCInitStruct->TIM_OCIdleState << 4);
+ /* Set the Output N Idle state */
+ tmpcr2 |= (uint16_t)(TIM_OCInitStruct->TIM_OCNIdleState << 4);
+ }
+ /* Write to TIMx CR2 */
+ TIMx->CR2 = tmpcr2;
+
+ /* Write to TIMx CCMR2 */
+ TIMx->CCMR2 = tmpccmrx;
+
+ /* Set the Capture Compare Register value */
+ TIMx->CCR3 = TIM_OCInitStruct->TIM_Pulse;
+
+ /* Write to TIMx CCER */
+ TIMx->CCER = tmpccer;
+}
+
+/**
+ * @brief Initializes the TIMx Channel4 according to the specified
+ * parameters in the TIM_OCInitStruct.
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCInitStruct: pointer to a TIM_OCInitTypeDef structure
+ * that contains the configuration information for the specified TIM
+ * peripheral.
+ * @retval None
+ */
+void TIM_OC4Init(TIM_TypeDef* TIMx, TIM_OCInitTypeDef* TIM_OCInitStruct)
+{
+ uint16_t tmpccmrx = 0, tmpccer = 0, tmpcr2 = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_TIM_OC_MODE(TIM_OCInitStruct->TIM_OCMode));
+ assert_param(IS_TIM_OUTPUT_STATE(TIM_OCInitStruct->TIM_OutputState));
+ assert_param(IS_TIM_OC_POLARITY(TIM_OCInitStruct->TIM_OCPolarity));
+ /* Disable the Channel 2: Reset the CC4E Bit */
+ TIMx->CCER &= (uint16_t)(~((uint16_t)TIM_CCER_CC4E));
+
+ /* Get the TIMx CCER register value */
+ tmpccer = TIMx->CCER;
+ /* Get the TIMx CR2 register value */
+ tmpcr2 = TIMx->CR2;
+
+ /* Get the TIMx CCMR2 register value */
+ tmpccmrx = TIMx->CCMR2;
+
+ /* Reset the Output Compare mode and Capture/Compare selection Bits */
+ tmpccmrx &= (uint16_t)(~((uint16_t)TIM_CCMR2_OC4M));
+ tmpccmrx &= (uint16_t)(~((uint16_t)TIM_CCMR2_CC4S));
+
+ /* Select the Output Compare Mode */
+ tmpccmrx |= (uint16_t)(TIM_OCInitStruct->TIM_OCMode << 8);
+
+ /* Reset the Output Polarity level */
+ tmpccer &= (uint16_t)(~((uint16_t)TIM_CCER_CC4P));
+ /* Set the Output Compare Polarity */
+ tmpccer |= (uint16_t)(TIM_OCInitStruct->TIM_OCPolarity << 12);
+
+ /* Set the Output State */
+ tmpccer |= (uint16_t)(TIM_OCInitStruct->TIM_OutputState << 12);
+
+ if(TIMx == TIM1)
+ {
+ assert_param(IS_TIM_OCIDLE_STATE(TIM_OCInitStruct->TIM_OCIdleState));
+ /* Reset the Ouput Compare IDLE State */
+ tmpcr2 &= (uint16_t)(~((uint16_t)TIM_CR2_OIS4));
+ /* Set the Output Idle state */
+ tmpcr2 |= (uint16_t)(TIM_OCInitStruct->TIM_OCIdleState << 6);
+ }
+ /* Write to TIMx CR2 */
+ TIMx->CR2 = tmpcr2;
+
+ /* Write to TIMx CCMR2 */
+ TIMx->CCMR2 = tmpccmrx;
+
+ /* Set the Capture Compare Register value */
+ TIMx->CCR4 = TIM_OCInitStruct->TIM_Pulse;
+
+ /* Write to TIMx CCER */
+ TIMx->CCER = tmpccer;
+}
+
+/**
+ * @brief Fills each TIM_OCInitStruct member with its default value.
+ * @param TIM_OCInitStruct: pointer to a TIM_OCInitTypeDef structure which will
+ * be initialized.
+ * @retval None
+ */
+void TIM_OCStructInit(TIM_OCInitTypeDef* TIM_OCInitStruct)
+{
+ /* Set the default configuration */
+ TIM_OCInitStruct->TIM_OCMode = TIM_OCMode_Timing;
+ TIM_OCInitStruct->TIM_OutputState = TIM_OutputState_Disable;
+ TIM_OCInitStruct->TIM_OutputNState = TIM_OutputNState_Disable;
+ TIM_OCInitStruct->TIM_Pulse = 0x0000000;
+ TIM_OCInitStruct->TIM_OCPolarity = TIM_OCPolarity_High;
+ TIM_OCInitStruct->TIM_OCNPolarity = TIM_OCPolarity_High;
+ TIM_OCInitStruct->TIM_OCIdleState = TIM_OCIdleState_Reset;
+ TIM_OCInitStruct->TIM_OCNIdleState = TIM_OCNIdleState_Reset;
+}
+
+/**
+ * @brief Selects the TIM Output Compare Mode.
+ * @note This function disables the selected channel before changing the Output
+ * Compare Mode.
+ * User has to enable this channel using TIM_CCxCmd and TIM_CCxNCmd functions.
+ * @param TIMx: where x can be 1, 2, 3, 14, 15, 16 or 17 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_Channel: specifies the TIM Channel
+ * This parameter can be one of the following values:
+ * @arg TIM_Channel_1: TIM Channel 1
+ * @arg TIM_Channel_2: TIM Channel 2
+ * @arg TIM_Channel_3: TIM Channel 3
+ * @arg TIM_Channel_4: TIM Channel 4
+ * @param TIM_OCMode: specifies the TIM Output Compare Mode.
+ * This parameter can be one of the following values:
+ * @arg TIM_OCMode_Timing
+ * @arg TIM_OCMode_Active
+ * @arg TIM_OCMode_Toggle
+ * @arg TIM_OCMode_PWM1
+ * @arg TIM_OCMode_PWM2
+ * @arg TIM_ForcedAction_Active
+ * @arg TIM_ForcedAction_InActive
+ * @retval None
+ */
+void TIM_SelectOCxM(TIM_TypeDef* TIMx, uint16_t TIM_Channel, uint16_t TIM_OCMode)
+{
+ uint32_t tmp = 0;
+ uint16_t tmp1 = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST4_PERIPH(TIMx));
+ assert_param(IS_TIM_OCM(TIM_OCMode));
+
+ tmp = (uint32_t) TIMx;
+ tmp += CCMR_OFFSET;
+
+ tmp1 = CCER_CCE_SET << (uint16_t)TIM_Channel;
+
+ /* Disable the Channel: Reset the CCxE Bit */
+ TIMx->CCER &= (uint16_t) ~tmp1;
+
+ if((TIM_Channel == TIM_Channel_1) ||(TIM_Channel == TIM_Channel_3))
+ {
+ tmp += (TIM_Channel>>1);
+
+ /* Reset the OCxM bits in the CCMRx register */
+ *(__IO uint32_t *) tmp &= (uint32_t)~((uint32_t)TIM_CCMR1_OC1M);
+
+ /* Configure the OCxM bits in the CCMRx register */
+ *(__IO uint32_t *) tmp |= TIM_OCMode;
+ }
+ else
+ {
+ tmp += (uint16_t)(TIM_Channel - (uint16_t)4)>> (uint16_t)1;
+
+ /* Reset the OCxM bits in the CCMRx register */
+ *(__IO uint32_t *) tmp &= (uint32_t)~((uint32_t)TIM_CCMR1_OC2M);
+
+ /* Configure the OCxM bits in the CCMRx register */
+ *(__IO uint32_t *) tmp |= (uint16_t)(TIM_OCMode << 8);
+ }
+}
+
+/**
+ * @brief Sets the TIMx Capture Compare1 Register value
+ * @param TIMx: where x can be 1, 2, 3, 14, 15, 16 or 17 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param Compare1: specifies the Capture Compare1 register new value.
+ * @retval None
+ */
+void TIM_SetCompare1(TIM_TypeDef* TIMx, uint32_t Compare1)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST4_PERIPH(TIMx));
+
+ /* Set the Capture Compare1 Register value */
+ TIMx->CCR1 = Compare1;
+}
+
+/**
+ * @brief Sets the TIMx Capture Compare2 Register value
+ * @param TIMx: where x can be 1, 2, 3 or 15 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param Compare2: specifies the Capture Compare2 register new value.
+ * @retval None
+ */
+void TIM_SetCompare2(TIM_TypeDef* TIMx, uint32_t Compare2)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST6_PERIPH(TIMx));
+
+ /* Set the Capture Compare2 Register value */
+ TIMx->CCR2 = Compare2;
+}
+
+/**
+ * @brief Sets the TIMx Capture Compare3 Register value
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @param Compare3: specifies the Capture Compare3 register new value.
+ * @retval None
+ */
+void TIM_SetCompare3(TIM_TypeDef* TIMx, uint32_t Compare3)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+
+ /* Set the Capture Compare3 Register value */
+ TIMx->CCR3 = Compare3;
+}
+
+/**
+ * @brief Sets the TIMx Capture Compare4 Register value
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param Compare4: specifies the Capture Compare4 register new value.
+ * @retval None
+ */
+void TIM_SetCompare4(TIM_TypeDef* TIMx, uint32_t Compare4)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+
+ /* Set the Capture Compare4 Register value */
+ TIMx->CCR4 = Compare4;
+}
+
+/**
+ * @brief Forces the TIMx output 1 waveform to active or inactive level.
+ * @param TIMx: where x can be 1, 2, 3, 14, 15, 16 or 17 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_ForcedAction: specifies the forced Action to be set to the output waveform.
+ * This parameter can be one of the following values:
+ * @arg TIM_ForcedAction_Active: Force active level on OC1REF
+ * @arg TIM_ForcedAction_InActive: Force inactive level on OC1REF.
+ * @retval None
+ */
+void TIM_ForcedOC1Config(TIM_TypeDef* TIMx, uint16_t TIM_ForcedAction)
+{
+ uint16_t tmpccmr1 = 0;
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST4_PERIPH(TIMx));
+ assert_param(IS_TIM_FORCED_ACTION(TIM_ForcedAction));
+ tmpccmr1 = TIMx->CCMR1;
+ /* Reset the OC1M Bits */
+ tmpccmr1 &= (uint16_t)~((uint16_t)TIM_CCMR1_OC1M);
+ /* Configure The Forced output Mode */
+ tmpccmr1 |= TIM_ForcedAction;
+ /* Write to TIMx CCMR1 register */
+ TIMx->CCMR1 = tmpccmr1;
+}
+
+/**
+ * @brief Forces the TIMx output 2 waveform to active or inactive level.
+ * @param TIMx: where x can be 1, 2, 3, or 15 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_ForcedAction: specifies the forced Action to be set to the output waveform.
+ * This parameter can be one of the following values:
+ * @arg TIM_ForcedAction_Active: Force active level on OC2REF
+ * @arg TIM_ForcedAction_InActive: Force inactive level on OC2REF.
+ * @retval None
+ */
+void TIM_ForcedOC2Config(TIM_TypeDef* TIMx, uint16_t TIM_ForcedAction)
+{
+ uint16_t tmpccmr1 = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST6_PERIPH(TIMx));
+ assert_param(IS_TIM_FORCED_ACTION(TIM_ForcedAction));
+
+ tmpccmr1 = TIMx->CCMR1;
+ /* Reset the OC2M Bits */
+ tmpccmr1 &= (uint16_t)~((uint16_t)TIM_CCMR1_OC2M);
+ /* Configure The Forced output Mode */
+ tmpccmr1 |= (uint16_t)(TIM_ForcedAction << 8);
+ /* Write to TIMx CCMR1 register */
+ TIMx->CCMR1 = tmpccmr1;
+}
+
+/**
+ * @brief Forces the TIMx output 3 waveform to active or inactive level.
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_ForcedAction: specifies the forced Action to be set to the output waveform.
+ * This parameter can be one of the following values:
+ * @arg TIM_ForcedAction_Active: Force active level on OC3REF
+ * @arg TIM_ForcedAction_InActive: Force inactive level on OC3REF.
+ * @retval None
+ */
+void TIM_ForcedOC3Config(TIM_TypeDef* TIMx, uint16_t TIM_ForcedAction)
+{
+ uint16_t tmpccmr2 = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_TIM_FORCED_ACTION(TIM_ForcedAction));
+
+ tmpccmr2 = TIMx->CCMR2;
+ /* Reset the OC1M Bits */
+ tmpccmr2 &= (uint16_t)~((uint16_t)TIM_CCMR2_OC3M);
+ /* Configure The Forced output Mode */
+ tmpccmr2 |= TIM_ForcedAction;
+ /* Write to TIMx CCMR2 register */
+ TIMx->CCMR2 = tmpccmr2;
+}
+
+/**
+ * @brief Forces the TIMx output 4 waveform to active or inactive level.
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_ForcedAction: specifies the forced Action to be set to the output waveform.
+ * This parameter can be one of the following values:
+ * @arg TIM_ForcedAction_Active: Force active level on OC4REF
+ * @arg TIM_ForcedAction_InActive: Force inactive level on OC4REF.
+ * @retval None
+ */
+void TIM_ForcedOC4Config(TIM_TypeDef* TIMx, uint16_t TIM_ForcedAction)
+{
+ uint16_t tmpccmr2 = 0;
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_TIM_FORCED_ACTION(TIM_ForcedAction));
+
+ tmpccmr2 = TIMx->CCMR2;
+ /* Reset the OC2M Bits */
+ tmpccmr2 &= (uint16_t)~((uint16_t)TIM_CCMR2_OC4M);
+ /* Configure The Forced output Mode */
+ tmpccmr2 |= (uint16_t)(TIM_ForcedAction << 8);
+ /* Write to TIMx CCMR2 register */
+ TIMx->CCMR2 = tmpccmr2;
+}
+
+/**
+ * @brief Sets or Resets the TIM peripheral Capture Compare Preload Control bit.
+ * @param TIMx: where x can be 1, 2, 3 or 15 to select the TIMx peripheral
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param NewState: new state of the Capture Compare Preload Control bit
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void TIM_CCPreloadControl(TIM_TypeDef* TIMx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST6_PERIPH(TIMx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+ if (NewState != DISABLE)
+ {
+ /* Set the CCPC Bit */
+ TIMx->CR2 |= TIM_CR2_CCPC;
+ }
+ else
+ {
+ /* Reset the CCPC Bit */
+ TIMx->CR2 &= (uint16_t)~((uint16_t)TIM_CR2_CCPC);
+ }
+}
+
+
+/**
+ * @brief Enables or disables the TIMx peripheral Preload register on CCR1.
+ * @param TIMx: where x can be 1, 2, 3, 14, 15, 16 and 17 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCPreload: new state of the TIMx peripheral Preload register
+ * This parameter can be one of the following values:
+ * @arg TIM_OCPreload_Enable
+ * @arg TIM_OCPreload_Disable
+ * @retval None
+ */
+void TIM_OC1PreloadConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPreload)
+{
+ uint16_t tmpccmr1 = 0;
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST4_PERIPH(TIMx));
+ assert_param(IS_TIM_OCPRELOAD_STATE(TIM_OCPreload));
+
+ tmpccmr1 = TIMx->CCMR1;
+ /* Reset the OC1PE Bit */
+ tmpccmr1 &= (uint16_t)~((uint16_t)TIM_CCMR1_OC1PE);
+ /* Enable or Disable the Output Compare Preload feature */
+ tmpccmr1 |= TIM_OCPreload;
+ /* Write to TIMx CCMR1 register */
+ TIMx->CCMR1 = tmpccmr1;
+}
+
+/**
+ * @brief Enables or disables the TIMx peripheral Preload register on CCR2.
+ * @param TIMx: where x can be 1, 2, 3 and 15 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCPreload: new state of the TIMx peripheral Preload register
+ * This parameter can be one of the following values:
+ * @arg TIM_OCPreload_Enable
+ * @arg TIM_OCPreload_Disable
+ * @retval None
+ */
+void TIM_OC2PreloadConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPreload)
+{
+ uint16_t tmpccmr1 = 0;
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST6_PERIPH(TIMx));
+ assert_param(IS_TIM_OCPRELOAD_STATE(TIM_OCPreload));
+
+ tmpccmr1 = TIMx->CCMR1;
+ /* Reset the OC2PE Bit */
+ tmpccmr1 &= (uint16_t)~((uint16_t)TIM_CCMR1_OC2PE);
+ /* Enable or Disable the Output Compare Preload feature */
+ tmpccmr1 |= (uint16_t)(TIM_OCPreload << 8);
+ /* Write to TIMx CCMR1 register */
+ TIMx->CCMR1 = tmpccmr1;
+}
+
+/**
+ * @brief Enables or disables the TIMx peripheral Preload register on CCR3.
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCPreload: new state of the TIMx peripheral Preload register
+ * This parameter can be one of the following values:
+ * @arg TIM_OCPreload_Enable
+ * @arg TIM_OCPreload_Disable
+ * @retval None
+ */
+void TIM_OC3PreloadConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPreload)
+{
+ uint16_t tmpccmr2 = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_TIM_OCPRELOAD_STATE(TIM_OCPreload));
+
+ tmpccmr2 = TIMx->CCMR2;
+ /* Reset the OC3PE Bit */
+ tmpccmr2 &= (uint16_t)~((uint16_t)TIM_CCMR2_OC3PE);
+ /* Enable or Disable the Output Compare Preload feature */
+ tmpccmr2 |= TIM_OCPreload;
+ /* Write to TIMx CCMR2 register */
+ TIMx->CCMR2 = tmpccmr2;
+}
+
+/**
+ * @brief Enables or disables the TIMx peripheral Preload register on CCR4.
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCPreload: new state of the TIMx peripheral Preload register
+ * This parameter can be one of the following values:
+ * @arg TIM_OCPreload_Enable
+ * @arg TIM_OCPreload_Disable
+ * @retval None
+ */
+void TIM_OC4PreloadConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPreload)
+{
+ uint16_t tmpccmr2 = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_TIM_OCPRELOAD_STATE(TIM_OCPreload));
+
+ tmpccmr2 = TIMx->CCMR2;
+ /* Reset the OC4PE Bit */
+ tmpccmr2 &= (uint16_t)~((uint16_t)TIM_CCMR2_OC4PE);
+ /* Enable or Disable the Output Compare Preload feature */
+ tmpccmr2 |= (uint16_t)(TIM_OCPreload << 8);
+ /* Write to TIMx CCMR2 register */
+ TIMx->CCMR2 = tmpccmr2;
+}
+
+/**
+ * @brief Configures the TIMx Output Compare 1 Fast feature.
+ * @param TIMx: where x can be 1, 2, 3, 14, 15, 16 or 17 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCFast: new state of the Output Compare Fast Enable Bit.
+ * This parameter can be one of the following values:
+ * @arg TIM_OCFast_Enable: TIM output compare fast enable
+ * @arg TIM_OCFast_Disable: TIM output compare fast disable
+ * @retval None
+ */
+void TIM_OC1FastConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCFast)
+{
+ uint16_t tmpccmr1 = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST4_PERIPH(TIMx));
+ assert_param(IS_TIM_OCFAST_STATE(TIM_OCFast));
+
+ /* Get the TIMx CCMR1 register value */
+ tmpccmr1 = TIMx->CCMR1;
+ /* Reset the OC1FE Bit */
+ tmpccmr1 &= (uint16_t)~((uint16_t)TIM_CCMR1_OC1FE);
+ /* Enable or Disable the Output Compare Fast Bit */
+ tmpccmr1 |= TIM_OCFast;
+ /* Write to TIMx CCMR1 */
+ TIMx->CCMR1 = tmpccmr1;
+}
+
+/**
+ * @brief Configures the TIMx Output Compare 2 Fast feature.
+ * @param TIMx: where x can be 1, 2, 3 or 15 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCFast: new state of the Output Compare Fast Enable Bit.
+ * This parameter can be one of the following values:
+ * @arg TIM_OCFast_Enable: TIM output compare fast enable
+ * @arg TIM_OCFast_Disable: TIM output compare fast disable
+ * @retval None
+ */
+void TIM_OC2FastConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCFast)
+{
+ uint16_t tmpccmr1 = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST6_PERIPH(TIMx));
+ assert_param(IS_TIM_OCFAST_STATE(TIM_OCFast));
+
+ /* Get the TIMx CCMR1 register value */
+ tmpccmr1 = TIMx->CCMR1;
+ /* Reset the OC2FE Bit */
+ tmpccmr1 &= (uint16_t)~((uint16_t)TIM_CCMR1_OC2FE);
+ /* Enable or Disable the Output Compare Fast Bit */
+ tmpccmr1 |= (uint16_t)(TIM_OCFast << 8);
+ /* Write to TIMx CCMR1 */
+ TIMx->CCMR1 = tmpccmr1;
+}
+
+/**
+ * @brief Configures the TIMx Output Compare 3 Fast feature.
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCFast: new state of the Output Compare Fast Enable Bit.
+ * This parameter can be one of the following values:
+ * @arg TIM_OCFast_Enable: TIM output compare fast enable
+ * @arg TIM_OCFast_Disable: TIM output compare fast disable
+ * @retval None
+ */
+void TIM_OC3FastConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCFast)
+{
+ uint16_t tmpccmr2 = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_TIM_OCFAST_STATE(TIM_OCFast));
+
+ /* Get the TIMx CCMR2 register value */
+ tmpccmr2 = TIMx->CCMR2;
+ /* Reset the OC3FE Bit */
+ tmpccmr2 &= (uint16_t)~((uint16_t)TIM_CCMR2_OC3FE);
+ /* Enable or Disable the Output Compare Fast Bit */
+ tmpccmr2 |= TIM_OCFast;
+ /* Write to TIMx CCMR2 */
+ TIMx->CCMR2 = tmpccmr2;
+}
+
+/**
+ * @brief Configures the TIMx Output Compare 4 Fast feature.
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCFast: new state of the Output Compare Fast Enable Bit.
+ * This parameter can be one of the following values:
+ * @arg TIM_OCFast_Enable: TIM output compare fast enable
+ * @arg TIM_OCFast_Disable: TIM output compare fast disable
+ * @retval None
+ */
+void TIM_OC4FastConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCFast)
+{
+ uint16_t tmpccmr2 = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_TIM_OCFAST_STATE(TIM_OCFast));
+
+ /* Get the TIMx CCMR2 register value */
+ tmpccmr2 = TIMx->CCMR2;
+ /* Reset the OC4FE Bit */
+ tmpccmr2 &= (uint16_t)~((uint16_t)TIM_CCMR2_OC4FE);
+ /* Enable or Disable the Output Compare Fast Bit */
+ tmpccmr2 |= (uint16_t)(TIM_OCFast << 8);
+ /* Write to TIMx CCMR2 */
+ TIMx->CCMR2 = tmpccmr2;
+}
+
+/**
+ * @brief Clears or safeguards the OCREF1 signal on an external event
+ * @param TIMx: where x can be 1, 2, 3, 14, 15, 16 or 17 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCClear: new state of the Output Compare Clear Enable Bit.
+ * This parameter can be one of the following values:
+ * @arg TIM_OCClear_Enable: TIM Output clear enable
+ * @arg TIM_OCClear_Disable: TIM Output clear disable
+ * @retval None
+ */
+void TIM_ClearOC1Ref(TIM_TypeDef* TIMx, uint16_t TIM_OCClear)
+{
+ uint16_t tmpccmr1 = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST4_PERIPH(TIMx));
+ assert_param(IS_TIM_OCCLEAR_STATE(TIM_OCClear));
+
+ tmpccmr1 = TIMx->CCMR1;
+ /* Reset the OC1CE Bit */
+ tmpccmr1 &= (uint16_t)~((uint16_t)TIM_CCMR1_OC1CE);
+ /* Enable or Disable the Output Compare Clear Bit */
+ tmpccmr1 |= TIM_OCClear;
+ /* Write to TIMx CCMR1 register */
+ TIMx->CCMR1 = tmpccmr1;
+}
+
+/**
+ * @brief Clears or safeguards the OCREF2 signal on an external event
+ * @param TIMx: where x can be 1, 2, 3 or 15 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCClear: new state of the Output Compare Clear Enable Bit.
+ * This parameter can be one of the following values:
+ * @arg TIM_OCClear_Enable: TIM Output clear enable
+ * @arg TIM_OCClear_Disable: TIM Output clear disable
+ * @retval None
+ */
+void TIM_ClearOC2Ref(TIM_TypeDef* TIMx, uint16_t TIM_OCClear)
+{
+ uint16_t tmpccmr1 = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST6_PERIPH(TIMx));
+ assert_param(IS_TIM_OCCLEAR_STATE(TIM_OCClear));
+
+ tmpccmr1 = TIMx->CCMR1;
+ /* Reset the OC2CE Bit */
+ tmpccmr1 &= (uint16_t)~((uint16_t)TIM_CCMR1_OC2CE);
+ /* Enable or Disable the Output Compare Clear Bit */
+ tmpccmr1 |= (uint16_t)(TIM_OCClear << 8);
+ /* Write to TIMx CCMR1 register */
+ TIMx->CCMR1 = tmpccmr1;
+}
+
+/**
+ * @brief Clears or safeguards the OCREF3 signal on an external event
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCClear: new state of the Output Compare Clear Enable Bit.
+ * This parameter can be one of the following values:
+ * @arg TIM_OCClear_Enable: TIM Output clear enable
+ * @arg TIM_OCClear_Disable: TIM Output clear disable
+ * @retval None
+ */
+void TIM_ClearOC3Ref(TIM_TypeDef* TIMx, uint16_t TIM_OCClear)
+{
+ uint16_t tmpccmr2 = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_TIM_OCCLEAR_STATE(TIM_OCClear));
+
+ tmpccmr2 = TIMx->CCMR2;
+ /* Reset the OC3CE Bit */
+ tmpccmr2 &= (uint16_t)~((uint16_t)TIM_CCMR2_OC3CE);
+ /* Enable or Disable the Output Compare Clear Bit */
+ tmpccmr2 |= TIM_OCClear;
+ /* Write to TIMx CCMR2 register */
+ TIMx->CCMR2 = tmpccmr2;
+}
+
+/**
+ * @brief Clears or safeguards the OCREF4 signal on an external event
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCClear: new state of the Output Compare Clear Enable Bit.
+ * This parameter can be one of the following values:
+ * @arg TIM_OCClear_Enable: TIM Output clear enable
+ * @arg TIM_OCClear_Disable: TIM Output clear disable
+ * @retval None
+ */
+void TIM_ClearOC4Ref(TIM_TypeDef* TIMx, uint16_t TIM_OCClear)
+{
+ uint16_t tmpccmr2 = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_TIM_OCCLEAR_STATE(TIM_OCClear));
+
+ tmpccmr2 = TIMx->CCMR2;
+ /* Reset the OC4CE Bit */
+ tmpccmr2 &= (uint16_t)~((uint16_t)TIM_CCMR2_OC4CE);
+ /* Enable or Disable the Output Compare Clear Bit */
+ tmpccmr2 |= (uint16_t)(TIM_OCClear << 8);
+ /* Write to TIMx CCMR2 register */
+ TIMx->CCMR2 = tmpccmr2;
+}
+
+/**
+ * @brief Configures the TIMx channel 1 polarity.
+ * @param TIMx: where x can be 1, 2, 3, 14, 15, 16 or 17 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCPolarity: specifies the OC1 Polarity
+ * This parmeter can be one of the following values:
+ * @arg TIM_OCPolarity_High: Output Compare active high
+ * @arg TIM_OCPolarity_Low: Output Compare active low
+ * @retval None
+ */
+void TIM_OC1PolarityConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPolarity)
+{
+ uint16_t tmpccer = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST4_PERIPH(TIMx));
+ assert_param(IS_TIM_OC_POLARITY(TIM_OCPolarity));
+
+ tmpccer = TIMx->CCER;
+ /* Set or Reset the CC1P Bit */
+ tmpccer &= (uint16_t)~((uint16_t)TIM_CCER_CC1P);
+ tmpccer |= TIM_OCPolarity;
+ /* Write to TIMx CCER register */
+ TIMx->CCER = tmpccer;
+}
+
+/**
+ * @brief Configures the TIMx Channel 1N polarity.
+ * @param TIMx: where x can be 1, 15, 16 or 17 to select the TIM peripheral.
+ * @param TIM_OCNPolarity: specifies the OC1N Polarity
+ * This parmeter can be one of the following values:
+ * @arg TIM_OCNPolarity_High: Output Compare active high
+ * @arg TIM_OCNPolarity_Low: Output Compare active low
+ * @retval None
+ */
+void TIM_OC1NPolarityConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCNPolarity)
+{
+ uint16_t tmpccer = 0;
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST2_PERIPH(TIMx));
+ assert_param(IS_TIM_OCN_POLARITY(TIM_OCNPolarity));
+
+ tmpccer = TIMx->CCER;
+ /* Set or Reset the CC1NP Bit */
+ tmpccer &= (uint16_t)~((uint16_t)TIM_CCER_CC1NP);
+ tmpccer |= TIM_OCNPolarity;
+ /* Write to TIMx CCER register */
+ TIMx->CCER = tmpccer;
+}
+
+/**
+ * @brief Configures the TIMx channel 2 polarity.
+ * @param TIMx: where x can be 1, 2, 3, or 15 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCPolarity: specifies the OC2 Polarity
+ * This parmeter can be one of the following values:
+ * @arg TIM_OCPolarity_High: Output Compare active high
+ * @arg TIM_OCPolarity_Low: Output Compare active low
+ * @retval None
+ */
+void TIM_OC2PolarityConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPolarity)
+{
+ uint16_t tmpccer = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST6_PERIPH(TIMx));
+ assert_param(IS_TIM_OC_POLARITY(TIM_OCPolarity));
+
+ tmpccer = TIMx->CCER;
+ /* Set or Reset the CC2P Bit */
+ tmpccer &= (uint16_t)~((uint16_t)TIM_CCER_CC2P);
+ tmpccer |= (uint16_t)(TIM_OCPolarity << 4);
+ /* Write to TIMx CCER register */
+ TIMx->CCER = tmpccer;
+}
+
+/**
+ * @brief Configures the TIMx Channel 2N polarity.
+ * @param TIMx: where x can be 1 to select the TIM peripheral.
+ * @param TIM_OCNPolarity: specifies the OC2N Polarity
+ * This parmeter can be one of the following values:
+ * @arg TIM_OCNPolarity_High: Output Compare active high
+ * @arg TIM_OCNPolarity_Low: Output Compare active low
+ * @retval None
+ */
+void TIM_OC2NPolarityConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCNPolarity)
+{
+ uint16_t tmpccer = 0;
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST1_PERIPH(TIMx));
+ assert_param(IS_TIM_OCN_POLARITY(TIM_OCNPolarity));
+
+ tmpccer = TIMx->CCER;
+ /* Set or Reset the CC2NP Bit */
+ tmpccer &= (uint16_t)~((uint16_t)TIM_CCER_CC2NP);
+ tmpccer |= (uint16_t)(TIM_OCNPolarity << 4);
+ /* Write to TIMx CCER register */
+ TIMx->CCER = tmpccer;
+}
+
+/**
+ * @brief Configures the TIMx channel 3 polarity.
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCPolarity: specifies the OC3 Polarity
+ * This parmeter can be one of the following values:
+ * @arg TIM_OCPolarity_High: Output Compare active high
+ * @arg TIM_OCPolarity_Low: Output Compare active low
+ * @retval None
+ */
+void TIM_OC3PolarityConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPolarity)
+{
+ uint16_t tmpccer = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_TIM_OC_POLARITY(TIM_OCPolarity));
+
+ tmpccer = TIMx->CCER;
+ /* Set or Reset the CC3P Bit */
+ tmpccer &= (uint16_t)~((uint16_t)TIM_CCER_CC3P);
+ tmpccer |= (uint16_t)(TIM_OCPolarity << 8);
+ /* Write to TIMx CCER register */
+ TIMx->CCER = tmpccer;
+}
+
+/**
+ * @brief Configures the TIMx Channel 3N polarity.
+ * @param TIMx: where x can be 1 to select the TIM peripheral.
+ * @param TIM_OCNPolarity: specifies the OC3N Polarity
+ * This parmeter can be one of the following values:
+ * @arg TIM_OCNPolarity_High: Output Compare active high
+ * @arg TIM_OCNPolarity_Low: Output Compare active low
+ * @retval None
+ */
+void TIM_OC3NPolarityConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCNPolarity)
+{
+ uint16_t tmpccer = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST1_PERIPH(TIMx));
+ assert_param(IS_TIM_OCN_POLARITY(TIM_OCNPolarity));
+
+ tmpccer = TIMx->CCER;
+ /* Set or Reset the CC3NP Bit */
+ tmpccer &= (uint16_t)~((uint16_t)TIM_CCER_CC3NP);
+ tmpccer |= (uint16_t)(TIM_OCNPolarity << 8);
+ /* Write to TIMx CCER register */
+ TIMx->CCER = tmpccer;
+}
+
+/**
+ * @brief Configures the TIMx channel 4 polarity.
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCPolarity: specifies the OC4 Polarity
+ * This parmeter can be one of the following values:
+ * @arg TIM_OCPolarity_High: Output Compare active high
+ * @arg TIM_OCPolarity_Low: Output Compare active low
+ * @retval None
+ */
+void TIM_OC4PolarityConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPolarity)
+{
+ uint16_t tmpccer = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_TIM_OC_POLARITY(TIM_OCPolarity));
+
+ tmpccer = TIMx->CCER;
+ /* Set or Reset the CC4P Bit */
+ tmpccer &= (uint16_t)~((uint16_t)TIM_CCER_CC4P);
+ tmpccer |= (uint16_t)(TIM_OCPolarity << 12);
+ /* Write to TIMx CCER register */
+ TIMx->CCER = tmpccer;
+}
+
+/**
+ * @brief Selects the OCReference Clear source.
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCReferenceClear: specifies the OCReference Clear source.
+ * This parameter can be one of the following values:
+ * @arg TIM_OCReferenceClear_ETRF: The internal OCreference clear input is connected to ETRF.
+ * @arg TIM_OCReferenceClear_OCREFCLR: The internal OCreference clear input is connected to OCREF_CLR input.
+ * @retval None
+ */
+void TIM_SelectOCREFClear(TIM_TypeDef* TIMx, uint16_t TIM_OCReferenceClear)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(TIM_OCREFERENCECECLEAR_SOURCE(TIM_OCReferenceClear));
+
+ /* Set the TIM_OCReferenceClear source */
+ TIMx->SMCR &= (uint16_t)~((uint16_t)TIM_SMCR_OCCS);
+ TIMx->SMCR |= TIM_OCReferenceClear;
+}
+
+/**
+ * @brief Enables or disables the TIM Capture Compare Channel x.
+ * @param TIMx: where x can be 1, 2, 3, 14, 15, 16 or 17 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_Channel: specifies the TIM Channel
+ * This parameter can be one of the following values:
+ * @arg TIM_Channel_1: TIM Channel 1
+ * @arg TIM_Channel_2: TIM Channel 2
+ * @arg TIM_Channel_3: TIM Channel 3
+ * @arg TIM_Channel_4: TIM Channel 4
+ * @param TIM_CCx: specifies the TIM Channel CCxE bit new state.
+ * This parameter can be: TIM_CCx_Enable or TIM_CCx_Disable.
+ * @retval None
+ */
+void TIM_CCxCmd(TIM_TypeDef* TIMx, uint16_t TIM_Channel, uint16_t TIM_CCx)
+{
+ uint16_t tmp = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST4_PERIPH(TIMx));
+ assert_param(IS_TIM_CCX(TIM_CCx));
+
+ tmp = CCER_CCE_SET << TIM_Channel;
+
+ /* Reset the CCxE Bit */
+ TIMx->CCER &= (uint16_t)~ tmp;
+
+ /* Set or reset the CCxE Bit */
+ TIMx->CCER |= (uint16_t)(TIM_CCx << TIM_Channel);
+}
+
+/**
+ * @brief Enables or disables the TIM Capture Compare Channel xN.
+ * @param TIMx: where x can be 1, 15, 16 or 17 to select the TIM peripheral.
+ * @param TIM_Channel: specifies the TIM Channel
+ * This parmeter can be one of the following values:
+ * @arg TIM_Channel_1: TIM Channel 1
+ * @arg TIM_Channel_2: TIM Channel 2
+ * @arg TIM_Channel_3: TIM Channel 3
+ * @param TIM_CCxN: specifies the TIM Channel CCxNE bit new state.
+ * This parameter can be: TIM_CCxN_Enable or TIM_CCxN_Disable.
+ * @retval None
+ */
+void TIM_CCxNCmd(TIM_TypeDef* TIMx, uint16_t TIM_Channel, uint16_t TIM_CCxN)
+{
+ uint16_t tmp = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST2_PERIPH(TIMx));
+ assert_param(IS_TIM_COMPLEMENTARY_CHANNEL(TIM_Channel));
+ assert_param(IS_TIM_CCXN(TIM_CCxN));
+
+ tmp = CCER_CCNE_SET << TIM_Channel;
+
+ /* Reset the CCxNE Bit */
+ TIMx->CCER &= (uint16_t) ~tmp;
+
+ /* Set or reset the CCxNE Bit */
+ TIMx->CCER |= (uint16_t)(TIM_CCxN << TIM_Channel);
+}
+
+/**
+ * @brief Selects the TIM peripheral Commutation event.
+ * @param TIMx: where x can be 1, 15, 16 or 17 to select the TIMx peripheral
+ * @param NewState: new state of the Commutation event.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void TIM_SelectCOM(TIM_TypeDef* TIMx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST2_PERIPH(TIMx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+ if (NewState != DISABLE)
+ {
+ /* Set the COM Bit */
+ TIMx->CR2 |= TIM_CR2_CCUS;
+ }
+ else
+ {
+ /* Reset the COM Bit */
+ TIMx->CR2 &= (uint16_t)~((uint16_t)TIM_CR2_CCUS);
+ }
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Group4 Input Capture management functions
+ * @brief Input Capture management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Input Capture management functions #####
+ ===============================================================================
+
+ *** TIM Driver: how to use it in Input Capture Mode ***
+ ===============================================================================
+ [..] To use the Timer in Input Capture mode, the following steps are mandatory:
+ (#) Enable TIM clock using RCC_APBxPeriphClockCmd(RCC_APBxPeriph_TIMx, ENABLE)
+ function.
+ (#) Configure the TIM pins by configuring the corresponding GPIO pins.
+ (#) Configure the Time base unit as described in the first part of this
+ driver, if needed, else the Timer will run with the default configuration:
+ (++) Autoreload value = 0xFFFF.
+ (++) Prescaler value = 0x0000.
+ (++) Counter mode = Up counting.
+ (++) Clock Division = TIM_CKD_DIV1.
+ (#) Fill the TIM_ICInitStruct with the desired parameters including:
+ (++) TIM Channel: TIM_Channel.
+ (++) TIM Input Capture polarity: TIM_ICPolarity.
+ (++) TIM Input Capture selection: TIM_ICSelection.
+ (++) TIM Input Capture Prescaler: TIM_ICPrescaler.
+ (++) TIM Input CApture filter value: TIM_ICFilter.
+ (#) Call TIM_ICInit(TIMx, &TIM_ICInitStruct) to configure the desired
+ channel with the corresponding configuration and to measure only
+ frequency or duty cycle of the input signal,or, Call
+ TIM_PWMIConfig(TIMx, &TIM_ICInitStruct) to configure the desired
+ channels with the corresponding configuration and to measure the
+ frequency and the duty cycle of the input signal.
+ (#) Enable the NVIC or the DMA to read the measured frequency.
+ (#) Enable the corresponding interrupt (or DMA request) to read
+ the Captured value, using the function TIM_ITConfig(TIMx, TIM_IT_CCx)
+ (or TIM_DMA_Cmd(TIMx, TIM_DMA_CCx)).
+ (#) Call the TIM_Cmd(ENABLE) function to enable the TIM counter.
+ (#) Use TIM_GetCapturex(TIMx); to read the captured value.
+ [..]
+ (@) All other functions can be used separately to modify, if needed,
+ a specific feature of the Timer.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Initializes the TIM peripheral according to the specified
+ * parameters in the TIM_ICInitStruct.
+ * @param TIMx: where x can be 1, 2, 3, 14, 15, 16 or 17 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_ICInitStruct: pointer to a TIM_ICInitTypeDef structure
+ * that contains the configuration information for the specified TIM
+ * peripheral.
+ * @retval None
+ */
+void TIM_ICInit(TIM_TypeDef* TIMx, TIM_ICInitTypeDef* TIM_ICInitStruct)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST4_PERIPH(TIMx));
+ assert_param(IS_TIM_CHANNEL(TIM_ICInitStruct->TIM_Channel));
+ assert_param(IS_TIM_IC_SELECTION(TIM_ICInitStruct->TIM_ICSelection));
+ assert_param(IS_TIM_IC_PRESCALER(TIM_ICInitStruct->TIM_ICPrescaler));
+ assert_param(IS_TIM_IC_FILTER(TIM_ICInitStruct->TIM_ICFilter));
+ assert_param(IS_TIM_IC_POLARITY(TIM_ICInitStruct->TIM_ICPolarity));
+
+ if (TIM_ICInitStruct->TIM_Channel == TIM_Channel_1)
+ {
+ assert_param(IS_TIM_LIST4_PERIPH(TIMx));
+ /* TI1 Configuration */
+ TI1_Config(TIMx, TIM_ICInitStruct->TIM_ICPolarity,
+ TIM_ICInitStruct->TIM_ICSelection,
+ TIM_ICInitStruct->TIM_ICFilter);
+ /* Set the Input Capture Prescaler value */
+ TIM_SetIC1Prescaler(TIMx, TIM_ICInitStruct->TIM_ICPrescaler);
+ }
+ else if (TIM_ICInitStruct->TIM_Channel == TIM_Channel_2)
+ {
+ assert_param(IS_TIM_LIST6_PERIPH(TIMx));
+ /* TI2 Configuration */
+ TI2_Config(TIMx, TIM_ICInitStruct->TIM_ICPolarity,
+ TIM_ICInitStruct->TIM_ICSelection,
+ TIM_ICInitStruct->TIM_ICFilter);
+ /* Set the Input Capture Prescaler value */
+ TIM_SetIC2Prescaler(TIMx, TIM_ICInitStruct->TIM_ICPrescaler);
+ }
+ else if (TIM_ICInitStruct->TIM_Channel == TIM_Channel_3)
+ {
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ /* TI3 Configuration */
+ TI3_Config(TIMx, TIM_ICInitStruct->TIM_ICPolarity,
+ TIM_ICInitStruct->TIM_ICSelection,
+ TIM_ICInitStruct->TIM_ICFilter);
+ /* Set the Input Capture Prescaler value */
+ TIM_SetIC3Prescaler(TIMx, TIM_ICInitStruct->TIM_ICPrescaler);
+ }
+ else
+ {
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ /* TI4 Configuration */
+ TI4_Config(TIMx, TIM_ICInitStruct->TIM_ICPolarity,
+ TIM_ICInitStruct->TIM_ICSelection,
+ TIM_ICInitStruct->TIM_ICFilter);
+ /* Set the Input Capture Prescaler value */
+ TIM_SetIC4Prescaler(TIMx, TIM_ICInitStruct->TIM_ICPrescaler);
+ }
+}
+
+/**
+ * @brief Fills each TIM_ICInitStruct member with its default value.
+ * @param TIM_ICInitStruct: pointer to a TIM_ICInitTypeDef structure which will
+ * be initialized.
+ * @retval None
+ */
+void TIM_ICStructInit(TIM_ICInitTypeDef* TIM_ICInitStruct)
+{
+ /* Set the default configuration */
+ TIM_ICInitStruct->TIM_Channel = TIM_Channel_1;
+ TIM_ICInitStruct->TIM_ICPolarity = TIM_ICPolarity_Rising;
+ TIM_ICInitStruct->TIM_ICSelection = TIM_ICSelection_DirectTI;
+ TIM_ICInitStruct->TIM_ICPrescaler = TIM_ICPSC_DIV1;
+ TIM_ICInitStruct->TIM_ICFilter = 0x00;
+}
+
+/**
+ * @brief Configures the TIM peripheral according to the specified
+ * parameters in the TIM_ICInitStruct to measure an external PWM signal.
+ * @param TIMx: where x can be 1, 2, 3 or 15 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_ICInitStruct: pointer to a TIM_ICInitTypeDef structure
+ * that contains the configuration information for the specified TIM
+ * peripheral.
+ * @retval None
+ */
+void TIM_PWMIConfig(TIM_TypeDef* TIMx, TIM_ICInitTypeDef* TIM_ICInitStruct)
+{
+ uint16_t icoppositepolarity = TIM_ICPolarity_Rising;
+ uint16_t icoppositeselection = TIM_ICSelection_DirectTI;
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST6_PERIPH(TIMx));
+ /* Select the Opposite Input Polarity */
+ if (TIM_ICInitStruct->TIM_ICPolarity == TIM_ICPolarity_Rising)
+ {
+ icoppositepolarity = TIM_ICPolarity_Falling;
+ }
+ else
+ {
+ icoppositepolarity = TIM_ICPolarity_Rising;
+ }
+ /* Select the Opposite Input */
+ if (TIM_ICInitStruct->TIM_ICSelection == TIM_ICSelection_DirectTI)
+ {
+ icoppositeselection = TIM_ICSelection_IndirectTI;
+ }
+ else
+ {
+ icoppositeselection = TIM_ICSelection_DirectTI;
+ }
+ if (TIM_ICInitStruct->TIM_Channel == TIM_Channel_1)
+ {
+ /* TI1 Configuration */
+ TI1_Config(TIMx, TIM_ICInitStruct->TIM_ICPolarity, TIM_ICInitStruct->TIM_ICSelection,
+ TIM_ICInitStruct->TIM_ICFilter);
+ /* Set the Input Capture Prescaler value */
+ TIM_SetIC1Prescaler(TIMx, TIM_ICInitStruct->TIM_ICPrescaler);
+ /* TI2 Configuration */
+ TI2_Config(TIMx, icoppositepolarity, icoppositeselection, TIM_ICInitStruct->TIM_ICFilter);
+ /* Set the Input Capture Prescaler value */
+ TIM_SetIC2Prescaler(TIMx, TIM_ICInitStruct->TIM_ICPrescaler);
+ }
+ else
+ {
+ /* TI2 Configuration */
+ TI2_Config(TIMx, TIM_ICInitStruct->TIM_ICPolarity, TIM_ICInitStruct->TIM_ICSelection,
+ TIM_ICInitStruct->TIM_ICFilter);
+ /* Set the Input Capture Prescaler value */
+ TIM_SetIC2Prescaler(TIMx, TIM_ICInitStruct->TIM_ICPrescaler);
+ /* TI1 Configuration */
+ TI1_Config(TIMx, icoppositepolarity, icoppositeselection, TIM_ICInitStruct->TIM_ICFilter);
+ /* Set the Input Capture Prescaler value */
+ TIM_SetIC1Prescaler(TIMx, TIM_ICInitStruct->TIM_ICPrescaler);
+ }
+}
+
+/**
+ * @brief Gets the TIMx Input Capture 1 value.
+ * @param TIMx: where x can be 1, 2, 3, 14, 15, 16 or 17 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @retval Capture Compare 1 Register value.
+ */
+uint32_t TIM_GetCapture1(TIM_TypeDef* TIMx)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST4_PERIPH(TIMx));
+
+ /* Get the Capture 1 Register value */
+ return TIMx->CCR1;
+}
+
+/**
+ * @brief Gets the TIMx Input Capture 2 value.
+ * @param TIMx: where x can be 1, 2, 3 or 15 to select the TIM peripheral.
+ * @retval Capture Compare 2 Register value.
+ */
+uint32_t TIM_GetCapture2(TIM_TypeDef* TIMx)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST6_PERIPH(TIMx));
+
+ /* Get the Capture 2 Register value */
+ return TIMx->CCR2;
+}
+
+/**
+ * @brief Gets the TIMx Input Capture 3 value.
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @retval Capture Compare 3 Register value.
+ */
+uint32_t TIM_GetCapture3(TIM_TypeDef* TIMx)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+
+ /* Get the Capture 3 Register value */
+ return TIMx->CCR3;
+}
+
+/**
+ * @brief Gets the TIMx Input Capture 4 value.
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @retval Capture Compare 4 Register value.
+ */
+uint32_t TIM_GetCapture4(TIM_TypeDef* TIMx)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+
+ /* Get the Capture 4 Register value */
+ return TIMx->CCR4;
+}
+
+/**
+ * @brief Sets the TIMx Input Capture 1 prescaler.
+ * @param TIMx: where x can be 1, 2, 3, 14, 15, 16 or 17 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_ICPSC: specifies the Input Capture1 prescaler new value.
+ * This parameter can be one of the following values:
+ * @arg TIM_ICPSC_DIV1: no prescaler
+ * @arg TIM_ICPSC_DIV2: capture is done once every 2 events
+ * @arg TIM_ICPSC_DIV4: capture is done once every 4 events
+ * @arg TIM_ICPSC_DIV8: capture is done once every 8 events
+ * @retval None
+ */
+void TIM_SetIC1Prescaler(TIM_TypeDef* TIMx, uint16_t TIM_ICPSC)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST4_PERIPH(TIMx));
+ assert_param(IS_TIM_IC_PRESCALER(TIM_ICPSC));
+
+ /* Reset the IC1PSC Bits */
+ TIMx->CCMR1 &= (uint16_t)~((uint16_t)TIM_CCMR1_IC1PSC);
+ /* Set the IC1PSC value */
+ TIMx->CCMR1 |= TIM_ICPSC;
+}
+
+/**
+ * @brief Sets the TIMx Input Capture 2 prescaler.
+ * @param TIMx: where x can be 1, 2, 3 or 15 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_ICPSC: specifies the Input Capture2 prescaler new value.
+ * This parameter can be one of the following values:
+ * @arg TIM_ICPSC_DIV1: no prescaler
+ * @arg TIM_ICPSC_DIV2: capture is done once every 2 events
+ * @arg TIM_ICPSC_DIV4: capture is done once every 4 events
+ * @arg TIM_ICPSC_DIV8: capture is done once every 8 events
+ * @retval None
+ */
+void TIM_SetIC2Prescaler(TIM_TypeDef* TIMx, uint16_t TIM_ICPSC)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST6_PERIPH(TIMx));
+ assert_param(IS_TIM_IC_PRESCALER(TIM_ICPSC));
+
+ /* Reset the IC2PSC Bits */
+ TIMx->CCMR1 &= (uint16_t)~((uint16_t)TIM_CCMR1_IC2PSC);
+ /* Set the IC2PSC value */
+ TIMx->CCMR1 |= (uint16_t)(TIM_ICPSC << 8);
+}
+
+/**
+ * @brief Sets the TIMx Input Capture 3 prescaler.
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_ICPSC: specifies the Input Capture3 prescaler new value.
+ * This parameter can be one of the following values:
+ * @arg TIM_ICPSC_DIV1: no prescaler
+ * @arg TIM_ICPSC_DIV2: capture is done once every 2 events
+ * @arg TIM_ICPSC_DIV4: capture is done once every 4 events
+ * @arg TIM_ICPSC_DIV8: capture is done once every 8 events
+ * @retval None
+ */
+void TIM_SetIC3Prescaler(TIM_TypeDef* TIMx, uint16_t TIM_ICPSC)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_TIM_IC_PRESCALER(TIM_ICPSC));
+
+ /* Reset the IC3PSC Bits */
+ TIMx->CCMR2 &= (uint16_t)~((uint16_t)TIM_CCMR2_IC3PSC);
+ /* Set the IC3PSC value */
+ TIMx->CCMR2 |= TIM_ICPSC;
+}
+
+/**
+ * @brief Sets the TIMx Input Capture 4 prescaler.
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_ICPSC: specifies the Input Capture4 prescaler new value.
+ * This parameter can be one of the following values:
+ * @arg TIM_ICPSC_DIV1: no prescaler
+ * @arg TIM_ICPSC_DIV2: capture is done once every 2 events
+ * @arg TIM_ICPSC_DIV4: capture is done once every 4 events
+ * @arg TIM_ICPSC_DIV8: capture is done once every 8 events
+ * @retval None
+ */
+void TIM_SetIC4Prescaler(TIM_TypeDef* TIMx, uint16_t TIM_ICPSC)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_TIM_IC_PRESCALER(TIM_ICPSC));
+
+ /* Reset the IC4PSC Bits */
+ TIMx->CCMR2 &= (uint16_t)~((uint16_t)TIM_CCMR2_IC4PSC);
+ /* Set the IC4PSC value */
+ TIMx->CCMR2 |= (uint16_t)(TIM_ICPSC << 8);
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Group5 Interrupts DMA and flags management functions
+ * @brief Interrupts, DMA and flags management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Interrupts, DMA and flags management functions #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the specified TIM interrupts.
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, 14, 15, 16 or 17 to select the TIMx peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_IT: specifies the TIM interrupts sources to be enabled or disabled.
+ * This parameter can be any combination of the following values:
+ * @arg TIM_IT_Update: TIM update Interrupt source
+ * @arg TIM_IT_CC1: TIM Capture Compare 1 Interrupt source
+ * @arg TIM_IT_CC2: TIM Capture Compare 2 Interrupt source
+ * @arg TIM_IT_CC3: TIM Capture Compare 3 Interrupt source
+ * @arg TIM_IT_CC4: TIM Capture Compare 4 Interrupt source
+ * @arg TIM_IT_COM: TIM Commutation Interrupt source
+ * @arg TIM_IT_Trigger: TIM Trigger Interrupt source
+ * @arg TIM_IT_Break: TIM Break Interrupt source
+ *
+ * @note TIM6 and TIM7 can only generate an update interrupt.
+ * @note TIM15 can have only TIM_IT_Update, TIM_IT_CC1,TIM_IT_CC2 or TIM_IT_Trigger.
+ * @note TIM14, TIM16 and TIM17 can have TIM_IT_Update or TIM_IT_CC1.
+ * @note TIM_IT_Break is used only with TIM1 and TIM15.
+ * @note TIM_IT_COM is used only with TIM1, TIM15, TIM16 and TIM17.
+ *
+ * @param NewState: new state of the TIM interrupts.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void TIM_ITConfig(TIM_TypeDef* TIMx, uint16_t TIM_IT, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_ALL_PERIPH(TIMx));
+ assert_param(IS_TIM_IT(TIM_IT));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the Interrupt sources */
+ TIMx->DIER |= TIM_IT;
+ }
+ else
+ {
+ /* Disable the Interrupt sources */
+ TIMx->DIER &= (uint16_t)~TIM_IT;
+ }
+}
+
+/**
+ * @brief Configures the TIMx event to be generate by software.
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, 14, 15, 16 or 17 to select the
+ * TIM peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_EventSource: specifies the event source.
+ * This parameter can be one or more of the following values:
+ * @arg TIM_EventSource_Update: Timer update Event source
+ * @arg TIM_EventSource_CC1: Timer Capture Compare 1 Event source
+ * @arg TIM_EventSource_CC2: Timer Capture Compare 2 Event source
+ * @arg TIM_EventSource_CC3: Timer Capture Compare 3 Event source
+ * @arg TIM_EventSource_CC4: Timer Capture Compare 4 Event source
+ * @arg TIM_EventSource_COM: Timer COM event source
+ * @arg TIM_EventSource_Trigger: Timer Trigger Event source
+ * @arg TIM_EventSource_Break: Timer Break event source
+ *
+ * @note TIM6 and TIM7 can only generate an update event.
+ * @note TIM_EventSource_COM and TIM_EventSource_Break are used only with TIM1.
+ *
+ * @retval None
+ */
+void TIM_GenerateEvent(TIM_TypeDef* TIMx, uint16_t TIM_EventSource)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_ALL_PERIPH(TIMx));
+ assert_param(IS_TIM_EVENT_SOURCE(TIM_EventSource));
+ /* Set the event sources */
+ TIMx->EGR = TIM_EventSource;
+}
+
+/**
+ * @brief Checks whether the specified TIM flag is set or not.
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, 14, 15, 16 or 17 to select the TIM peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_FLAG: specifies the flag to check.
+ * This parameter can be one of the following values:
+ * @arg TIM_FLAG_Update: TIM update Flag
+ * @arg TIM_FLAG_CC1: TIM Capture Compare 1 Flag
+ * @arg TIM_FLAG_CC2: TIM Capture Compare 2 Flag
+ * @arg TIM_FLAG_CC3: TIM Capture Compare 3 Flag
+ * @arg TIM_FLAG_CC4: TIM Capture Compare 4 Flag
+ * @arg TIM_FLAG_COM: TIM Commutation Flag
+ * @arg TIM_FLAG_Trigger: TIM Trigger Flag
+ * @arg TIM_FLAG_Break: TIM Break Flag
+ * @arg TIM_FLAG_CC1OF: TIM Capture Compare 1 overcapture Flag
+ * @arg TIM_FLAG_CC2OF: TIM Capture Compare 2 overcapture Flag
+ * @arg TIM_FLAG_CC3OF: TIM Capture Compare 3 overcapture Flag
+ * @arg TIM_FLAG_CC4OF: TIM Capture Compare 4 overcapture Flag
+ *
+ * @note TIM6 and TIM7 can have only one update flag.
+ * @note TIM15 can have only TIM_FLAG_Update, TIM_FLAG_CC1, TIM_FLAG_CC2 or TIM_FLAG_Trigger.
+ * @note TIM14, TIM16 and TIM17 can have TIM_FLAG_Update or TIM_FLAG_CC1.
+ * @note TIM_FLAG_Break is used only with TIM1 and TIM15.
+ * @note TIM_FLAG_COM is used only with TIM1 TIM15, TIM16 and TIM17.
+ *
+ * @retval The new state of TIM_FLAG (SET or RESET).
+ */
+FlagStatus TIM_GetFlagStatus(TIM_TypeDef* TIMx, uint16_t TIM_FLAG)
+{
+ ITStatus bitstatus = RESET;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_ALL_PERIPH(TIMx));
+ assert_param(IS_TIM_GET_FLAG(TIM_FLAG));
+
+ if ((TIMx->SR & TIM_FLAG) != (uint16_t)RESET)
+ {
+ bitstatus = SET;
+ }
+ else
+ {
+ bitstatus = RESET;
+ }
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the TIMx's pending flags.
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, 14, 15, 16 or 17 to select the TIM peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_FLAG: specifies the flag bit to clear.
+ * This parameter can be any combination of the following values:
+ * @arg TIM_FLAG_Update: TIM update Flag
+ * @arg TIM_FLAG_CC1: TIM Capture Compare 1 Flag
+ * @arg TIM_FLAG_CC2: TIM Capture Compare 2 Flag
+ * @arg TIM_FLAG_CC3: TIM Capture Compare 3 Flag
+ * @arg TIM_FLAG_CC4: TIM Capture Compare 4 Flag
+ * @arg TIM_FLAG_COM: TIM Commutation Flag
+ * @arg TIM_FLAG_Trigger: TIM Trigger Flag
+ * @arg TIM_FLAG_Break: TIM Break Flag
+ * @arg TIM_FLAG_CC1OF: TIM Capture Compare 1 overcapture Flag
+ * @arg TIM_FLAG_CC2OF: TIM Capture Compare 2 overcapture Flag
+ * @arg TIM_FLAG_CC3OF: TIM Capture Compare 3 overcapture Flag
+ * @arg TIM_FLAG_CC4OF: TIM Capture Compare 4 overcapture Flag
+ *
+ * @note TIM6 and TIM7 can have only one update flag.
+ * @note TIM15 can have only TIM_FLAG_Update, TIM_FLAG_CC1,TIM_FLAG_CC2 or
+ * TIM_FLAG_Trigger.
+ * @note TIM14, TIM16 and TIM17 can have TIM_FLAG_Update or TIM_FLAG_CC1.
+ * @note TIM_FLAG_Break is used only with TIM1 and TIM15.
+ * @note TIM_FLAG_COM is used only with TIM1, TIM15, TIM16 and TIM17.
+ *
+ * @retval None
+ */
+void TIM_ClearFlag(TIM_TypeDef* TIMx, uint16_t TIM_FLAG)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_ALL_PERIPH(TIMx));
+ assert_param(IS_TIM_CLEAR_FLAG(TIM_FLAG));
+
+ /* Clear the flags */
+ TIMx->SR = (uint16_t)~TIM_FLAG;
+}
+
+/**
+ * @brief Checks whether the TIM interrupt has occurred or not.
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, 14, 15, 16 or 17 to select the TIM peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_IT: specifies the TIM interrupt source to check.
+ * This parameter can be one of the following values:
+ * @arg TIM_IT_Update: TIM update Interrupt source
+ * @arg TIM_IT_CC1: TIM Capture Compare 1 Interrupt source
+ * @arg TIM_IT_CC2: TIM Capture Compare 2 Interrupt source
+ * @arg TIM_IT_CC3: TIM Capture Compare 3 Interrupt source
+ * @arg TIM_IT_CC4: TIM Capture Compare 4 Interrupt source
+ * @arg TIM_IT_COM: TIM Commutation Interrupt source
+ * @arg TIM_IT_Trigger: TIM Trigger Interrupt source
+ * @arg TIM_IT_Break: TIM Break Interrupt source
+ *
+ * @note TIM6 and TIM7 can generate only an update interrupt.
+ * @note TIM15 can have only TIM_IT_Update, TIM_IT_CC1, TIM_IT_CC2 or TIM_IT_Trigger.
+ * @note TIM14, TIM16 and TIM17 can have TIM_IT_Update or TIM_IT_CC1.
+ * @note TIM_IT_Break is used only with TIM1 and TIM15.
+ * @note TIM_IT_COM is used only with TIM1, TIM15, TIM16 and TIM17.
+ *
+ * @retval The new state of the TIM_IT(SET or RESET).
+ */
+ITStatus TIM_GetITStatus(TIM_TypeDef* TIMx, uint16_t TIM_IT)
+{
+ ITStatus bitstatus = RESET;
+ uint16_t itstatus = 0x0, itenable = 0x0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_ALL_PERIPH(TIMx));
+ assert_param(IS_TIM_GET_IT(TIM_IT));
+
+ itstatus = TIMx->SR & TIM_IT;
+
+ itenable = TIMx->DIER & TIM_IT;
+ if ((itstatus != (uint16_t)RESET) && (itenable != (uint16_t)RESET))
+ {
+ bitstatus = SET;
+ }
+ else
+ {
+ bitstatus = RESET;
+ }
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the TIMx's interrupt pending bits.
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, 14, 15, 16 or 17 to select the TIM peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_IT: specifies the pending bit to clear.
+ * This parameter can be any combination of the following values:
+ * @arg TIM_IT_Update: TIM1 update Interrupt source
+ * @arg TIM_IT_CC1: TIM Capture Compare 1 Interrupt source
+ * @arg TIM_IT_CC2: TIM Capture Compare 2 Interrupt source
+ * @arg TIM_IT_CC3: TIM Capture Compare 3 Interrupt source
+ * @arg TIM_IT_CC4: TIM Capture Compare 4 Interrupt source
+ * @arg TIM_IT_COM: TIM Commutation Interrupt source
+ * @arg TIM_IT_Trigger: TIM Trigger Interrupt source
+ * @arg TIM_IT_Break: TIM Break Interrupt source
+ *
+ * @note TIM6 and TIM7 can generate only an update interrupt.
+ * @note TIM15 can have only TIM_IT_Update, TIM_IT_CC1, TIM_IT_CC2 or TIM_IT_Trigger.
+ * @note TIM14, TIM16 and TIM17 can have TIM_IT_Update or TIM_IT_CC1.
+ * @note TIM_IT_Break is used only with TIM1 and TIM15.
+ * @note TIM_IT_COM is used only with TIM1, TIM15, TIM16 and TIM17.
+ *
+ * @retval None
+ */
+void TIM_ClearITPendingBit(TIM_TypeDef* TIMx, uint16_t TIM_IT)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_ALL_PERIPH(TIMx));
+ assert_param(IS_TIM_IT(TIM_IT));
+
+ /* Clear the IT pending Bit */
+ TIMx->SR = (uint16_t)~TIM_IT;
+}
+
+/**
+ * @brief Configures the TIMx's DMA interface.
+ * @param TIMx: where x can be 1, 2, 3, 15, 16 or 17 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_DMABase: DMA Base address.
+ * This parameter can be one of the following values:
+ * @arg TIM_DMABase_CR1
+ * @arg TIM_DMABase_CR2
+ * @arg TIM_DMABase_SMCR
+ * @arg TIM_DMABase_DIER
+ * @arg TIM_DMABase_SR
+ * @arg TIM_DMABase_EGR
+ * @arg TIM_DMABase_CCMR1
+ * @arg TIM_DMABase_CCMR2
+ * @arg TIM_DMABase_CCER
+ * @arg TIM_DMABase_CNT
+ * @arg TIM_DMABase_PSC
+ * @arg TIM_DMABase_ARR
+ * @arg TIM_DMABase_CCR1
+ * @arg TIM_DMABase_CCR2
+ * @arg TIM_DMABase_CCR3
+ * @arg TIM_DMABase_CCR4
+ * @arg TIM_DMABase_DCR
+ * @arg TIM_DMABase_OR
+ * @param TIM_DMABurstLength: DMA Burst length. This parameter can be one value
+ * between: TIM_DMABurstLength_1Transfer and TIM_DMABurstLength_18Transfers.
+ * @retval None
+ */
+void TIM_DMAConfig(TIM_TypeDef* TIMx, uint16_t TIM_DMABase, uint16_t TIM_DMABurstLength)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST4_PERIPH(TIMx));
+ assert_param(IS_TIM_DMA_BASE(TIM_DMABase));
+ assert_param(IS_TIM_DMA_LENGTH(TIM_DMABurstLength));
+ /* Set the DMA Base and the DMA Burst Length */
+ TIMx->DCR = TIM_DMABase | TIM_DMABurstLength;
+}
+
+/**
+ * @brief Enables or disables the TIMx's DMA Requests.
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, 15, 16 or 17 to select the TIM peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_DMASource: specifies the DMA Request sources.
+ * This parameter can be any combination of the following values:
+ * @arg TIM_DMA_Update: TIM update Interrupt source
+ * @arg TIM_DMA_CC1: TIM Capture Compare 1 DMA source
+ * @arg TIM_DMA_CC2: TIM Capture Compare 2 DMA source
+ * @arg TIM_DMA_CC3: TIM Capture Compare 3 DMA source
+ * @arg TIM_DMA_CC4: TIM Capture Compare 4 DMA source
+ * @arg TIM_DMA_COM: TIM Commutation DMA source
+ * @arg TIM_DMA_Trigger: TIM Trigger DMA source
+ * @param NewState: new state of the DMA Request sources.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void TIM_DMACmd(TIM_TypeDef* TIMx, uint16_t TIM_DMASource, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST10_PERIPH(TIMx));
+ assert_param(IS_TIM_DMA_SOURCE(TIM_DMASource));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the DMA sources */
+ TIMx->DIER |= TIM_DMASource;
+ }
+ else
+ {
+ /* Disable the DMA sources */
+ TIMx->DIER &= (uint16_t)~TIM_DMASource;
+ }
+}
+
+/**
+ * @brief Selects the TIMx peripheral Capture Compare DMA source.
+ * @param TIMx: where x can be 1, 2, 3, 15, 16 or 17 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param NewState: new state of the Capture Compare DMA source
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void TIM_SelectCCDMA(TIM_TypeDef* TIMx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST5_PERIPH(TIMx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Set the CCDS Bit */
+ TIMx->CR2 |= TIM_CR2_CCDS;
+ }
+ else
+ {
+ /* Reset the CCDS Bit */
+ TIMx->CR2 &= (uint16_t)~((uint16_t)TIM_CR2_CCDS);
+ }
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Group6 Clocks management functions
+ * @brief Clocks management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Clocks management functions #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Configures the TIMx internal Clock
+ * @param TIMx: where x can be 1, 2, 3, or 15 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @retval None
+ */
+void TIM_InternalClockConfig(TIM_TypeDef* TIMx)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST6_PERIPH(TIMx));
+ /* Disable slave mode to clock the prescaler directly with the internal clock */
+ TIMx->SMCR &= (uint16_t)(~((uint16_t)TIM_SMCR_SMS));
+}
+
+/**
+ * @brief Configures the TIMx Internal Trigger as External Clock
+ * @param TIMx: where x can be 1, 2, 3, or 15 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_ITRSource: Trigger source.
+ * This parameter can be one of the following values:
+ * @arg TIM_TS_ITR0: Internal Trigger 0
+ * @arg TIM_TS_ITR1: Internal Trigger 1
+ * @arg TIM_TS_ITR2: Internal Trigger 2
+ * @arg TIM_TS_ITR3: Internal Trigger 3
+ * @retval None
+ */
+void TIM_ITRxExternalClockConfig(TIM_TypeDef* TIMx, uint16_t TIM_InputTriggerSource)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST6_PERIPH(TIMx));
+ assert_param(IS_TIM_INTERNAL_TRIGGER_SELECTION(TIM_InputTriggerSource));
+ /* Select the Internal Trigger */
+ TIM_SelectInputTrigger(TIMx, TIM_InputTriggerSource);
+ /* Select the External clock mode1 */
+ TIMx->SMCR |= TIM_SlaveMode_External1;
+}
+
+/**
+ * @brief Configures the TIMx Trigger as External Clock
+ * @param TIMx: where x can be 1, 2, 3, or 15 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_TIxExternalCLKSource: Trigger source.
+ * This parameter can be one of the following values:
+ * @arg TIM_TIxExternalCLK1Source_TI1ED: TI1 Edge Detector
+ * @arg TIM_TIxExternalCLK1Source_TI1: Filtered Timer Input 1
+ * @arg TIM_TIxExternalCLK1Source_TI2: Filtered Timer Input 2
+ * @param TIM_ICPolarity: specifies the TIx Polarity.
+ * This parameter can be one of the following values:
+ * @arg TIM_ICPolarity_Rising
+ * @arg TIM_ICPolarity_Falling
+ * @param ICFilter: specifies the filter value.
+ * This parameter must be a value between 0x0 and 0xF.
+ * @retval None
+ */
+void TIM_TIxExternalClockConfig(TIM_TypeDef* TIMx, uint16_t TIM_TIxExternalCLKSource,
+ uint16_t TIM_ICPolarity, uint16_t ICFilter)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST6_PERIPH(TIMx));
+ assert_param(IS_TIM_IC_POLARITY(TIM_ICPolarity));
+ assert_param(IS_TIM_IC_FILTER(ICFilter));
+
+ /* Configure the Timer Input Clock Source */
+ if (TIM_TIxExternalCLKSource == TIM_TIxExternalCLK1Source_TI2)
+ {
+ TI2_Config(TIMx, TIM_ICPolarity, TIM_ICSelection_DirectTI, ICFilter);
+ }
+ else
+ {
+ TI1_Config(TIMx, TIM_ICPolarity, TIM_ICSelection_DirectTI, ICFilter);
+ }
+ /* Select the Trigger source */
+ TIM_SelectInputTrigger(TIMx, TIM_TIxExternalCLKSource);
+ /* Select the External clock mode1 */
+ TIMx->SMCR |= TIM_SlaveMode_External1;
+}
+
+/**
+ * @brief Configures the External clock Mode1
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_ExtTRGPrescaler: The external Trigger Prescaler.
+ * This parameter can be one of the following values:
+ * @arg TIM_ExtTRGPSC_OFF: ETRP Prescaler OFF.
+ * @arg TIM_ExtTRGPSC_DIV2: ETRP frequency divided by 2.
+ * @arg TIM_ExtTRGPSC_DIV4: ETRP frequency divided by 4.
+ * @arg TIM_ExtTRGPSC_DIV8: ETRP frequency divided by 8.
+ * @param TIM_ExtTRGPolarity: The external Trigger Polarity.
+ * This parameter can be one of the following values:
+ * @arg TIM_ExtTRGPolarity_Inverted: active low or falling edge active.
+ * @arg TIM_ExtTRGPolarity_NonInverted: active high or rising edge active.
+ * @param ExtTRGFilter: External Trigger Filter.
+ * This parameter must be a value between 0x00 and 0x0F
+ * @retval None
+ */
+void TIM_ETRClockMode1Config(TIM_TypeDef* TIMx, uint16_t TIM_ExtTRGPrescaler, uint16_t TIM_ExtTRGPolarity,
+ uint16_t ExtTRGFilter)
+{
+ uint16_t tmpsmcr = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_TIM_EXT_PRESCALER(TIM_ExtTRGPrescaler));
+ assert_param(IS_TIM_EXT_POLARITY(TIM_ExtTRGPolarity));
+ assert_param(IS_TIM_EXT_FILTER(ExtTRGFilter));
+
+ /* Configure the ETR Clock source */
+ TIM_ETRConfig(TIMx, TIM_ExtTRGPrescaler, TIM_ExtTRGPolarity, ExtTRGFilter);
+
+ /* Get the TIMx SMCR register value */
+ tmpsmcr = TIMx->SMCR;
+ /* Reset the SMS Bits */
+ tmpsmcr &= (uint16_t)(~((uint16_t)TIM_SMCR_SMS));
+ /* Select the External clock mode1 */
+ tmpsmcr |= TIM_SlaveMode_External1;
+ /* Select the Trigger selection : ETRF */
+ tmpsmcr &= (uint16_t)(~((uint16_t)TIM_SMCR_TS));
+ tmpsmcr |= TIM_TS_ETRF;
+ /* Write to TIMx SMCR */
+ TIMx->SMCR = tmpsmcr;
+}
+
+/**
+ * @brief Configures the External clock Mode2
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_ExtTRGPrescaler: The external Trigger Prescaler.
+ * This parameter can be one of the following values:
+ * @arg TIM_ExtTRGPSC_OFF: ETRP Prescaler OFF.
+ * @arg TIM_ExtTRGPSC_DIV2: ETRP frequency divided by 2.
+ * @arg TIM_ExtTRGPSC_DIV4: ETRP frequency divided by 4.
+ * @arg TIM_ExtTRGPSC_DIV8: ETRP frequency divided by 8.
+ * @param TIM_ExtTRGPolarity: The external Trigger Polarity.
+ * This parameter can be one of the following values:
+ * @arg TIM_ExtTRGPolarity_Inverted: active low or falling edge active.
+ * @arg TIM_ExtTRGPolarity_NonInverted: active high or rising edge active.
+ * @param ExtTRGFilter: External Trigger Filter.
+ * This parameter must be a value between 0x00 and 0x0F
+ * @retval None
+ */
+void TIM_ETRClockMode2Config(TIM_TypeDef* TIMx, uint16_t TIM_ExtTRGPrescaler,
+ uint16_t TIM_ExtTRGPolarity, uint16_t ExtTRGFilter)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_TIM_EXT_PRESCALER(TIM_ExtTRGPrescaler));
+ assert_param(IS_TIM_EXT_POLARITY(TIM_ExtTRGPolarity));
+ assert_param(IS_TIM_EXT_FILTER(ExtTRGFilter));
+
+ /* Configure the ETR Clock source */
+ TIM_ETRConfig(TIMx, TIM_ExtTRGPrescaler, TIM_ExtTRGPolarity, ExtTRGFilter);
+ /* Enable the External clock mode2 */
+ TIMx->SMCR |= TIM_SMCR_ECE;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Group7 Synchronization management functions
+ * @brief Synchronization management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Synchronization management functions #####
+ ===============================================================================
+ *** TIM Driver: how to use it in synchronization Mode ***
+ ===============================================================================
+ [..] Case of two/several Timers
+ (#) Configure the Master Timers using the following functions:
+ (++) void TIM_SelectOutputTrigger(TIM_TypeDef* TIMx,
+ uint16_t TIM_TRGOSource).
+ (++) void TIM_SelectMasterSlaveMode(TIM_TypeDef* TIMx,
+ uint16_t TIM_MasterSlaveMode);
+ (#) Configure the Slave Timers using the following functions:
+ (++) void TIM_SelectInputTrigger(TIM_TypeDef* TIMx,
+ uint16_t TIM_InputTriggerSource);
+ (++) void TIM_SelectSlaveMode(TIM_TypeDef* TIMx, uint16_t TIM_SlaveMode);
+ [..] Case of Timers and external trigger(ETR pin)
+ (#) Configure the Etrenal trigger using this function:
+ (++) void TIM_ETRConfig(TIM_TypeDef* TIMx, uint16_t TIM_ExtTRGPrescaler,
+ uint16_t TIM_ExtTRGPolarity, uint16_t ExtTRGFilter);
+ (#) Configure the Slave Timers using the following functions:
+ (++) void TIM_SelectInputTrigger(TIM_TypeDef* TIMx,
+ uint16_t TIM_InputTriggerSource);
+ (++) void TIM_SelectSlaveMode(TIM_TypeDef* TIMx, uint16_t TIM_SlaveMode);
+
+@endverbatim
+ * @{
+ */
+/**
+ * @brief Selects the Input Trigger source
+ * @param TIMx: where x can be 1, 2, 3 or 15 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_InputTriggerSource: The Input Trigger source.
+ * This parameter can be one of the following values:
+ * @arg TIM_TS_ITR0: Internal Trigger 0
+ * @arg TIM_TS_ITR1: Internal Trigger 1
+ * @arg TIM_TS_ITR2: Internal Trigger 2
+ * @arg TIM_TS_ITR3: Internal Trigger 3
+ * @arg TIM_TS_TI1F_ED: TI1 Edge Detector
+ * @arg TIM_TS_TI1FP1: Filtered Timer Input 1
+ * @arg TIM_TS_TI2FP2: Filtered Timer Input 2
+ * @arg TIM_TS_ETRF: External Trigger input
+ * @retval None
+ */
+void TIM_SelectInputTrigger(TIM_TypeDef* TIMx, uint16_t TIM_InputTriggerSource)
+{
+ uint16_t tmpsmcr = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST6_PERIPH(TIMx));
+ assert_param(IS_TIM_TRIGGER_SELECTION(TIM_InputTriggerSource));
+
+ /* Get the TIMx SMCR register value */
+ tmpsmcr = TIMx->SMCR;
+ /* Reset the TS Bits */
+ tmpsmcr &= (uint16_t)(~((uint16_t)TIM_SMCR_TS));
+ /* Set the Input Trigger source */
+ tmpsmcr |= TIM_InputTriggerSource;
+ /* Write to TIMx SMCR */
+ TIMx->SMCR = tmpsmcr;
+}
+
+/**
+ * @brief Selects the TIMx Trigger Output Mode.
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, or 15 to select the TIM peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_TRGOSource: specifies the Trigger Output source.
+ * This parameter can be one of the following values:
+ *
+ * - For all TIMx
+ * @arg TIM_TRGOSource_Reset: The UG bit in the TIM_EGR register is used as the trigger output (TRGO).
+ * @arg TIM_TRGOSource_Enable: The Counter Enable CEN is used as the trigger output (TRGO).
+ * @arg TIM_TRGOSource_Update: The update event is selected as the trigger output (TRGO).
+ *
+ * - For all TIMx except TIM6 and TIM7
+ * @arg TIM_TRGOSource_OC1: The trigger output sends a positive pulse when the CC1IF flag
+ * is to be set, as soon as a capture or compare match occurs (TRGO).
+ * @arg TIM_TRGOSource_OC1Ref: OC1REF signal is used as the trigger output (TRGO).
+ * @arg TIM_TRGOSource_OC2Ref: OC2REF signal is used as the trigger output (TRGO).
+ * @arg TIM_TRGOSource_OC3Ref: OC3REF signal is used as the trigger output (TRGO).
+ * @arg TIM_TRGOSource_OC4Ref: OC4REF signal is used as the trigger output (TRGO).
+ *
+ * @retval None
+ */
+void TIM_SelectOutputTrigger(TIM_TypeDef* TIMx, uint16_t TIM_TRGOSource)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST9_PERIPH(TIMx));
+ assert_param(IS_TIM_TRGO_SOURCE(TIM_TRGOSource));
+
+ /* Reset the MMS Bits */
+ TIMx->CR2 &= (uint16_t)~((uint16_t)TIM_CR2_MMS);
+ /* Select the TRGO source */
+ TIMx->CR2 |= TIM_TRGOSource;
+}
+
+/**
+ * @brief Selects the TIMx Slave Mode.
+ * @param TIMx: where x can be 1, 2, 3 or 15 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_SlaveMode: specifies the Timer Slave Mode.
+ * This parameter can be one of the following values:
+ * @arg TIM_SlaveMode_Reset: Rising edge of the selected trigger signal (TRGI) re-initializes
+ * the counter and triggers an update of the registers.
+ * @arg TIM_SlaveMode_Gated: The counter clock is enabled when the trigger signal (TRGI) is high.
+ * @arg TIM_SlaveMode_Trigger: The counter starts at a rising edge of the trigger TRGI.
+ * @arg TIM_SlaveMode_External1: Rising edges of the selected trigger (TRGI) clock the counter.
+ * @retval None
+ */
+void TIM_SelectSlaveMode(TIM_TypeDef* TIMx, uint16_t TIM_SlaveMode)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST6_PERIPH(TIMx));
+ assert_param(IS_TIM_SLAVE_MODE(TIM_SlaveMode));
+
+ /* Reset the SMS Bits */
+ TIMx->SMCR &= (uint16_t)~((uint16_t)TIM_SMCR_SMS);
+ /* Select the Slave Mode */
+ TIMx->SMCR |= TIM_SlaveMode;
+}
+
+/**
+ * @brief Sets or Resets the TIMx Master/Slave Mode.
+ * @param TIMx: where x can be 1, 2, 3, or 15 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_MasterSlaveMode: specifies the Timer Master Slave Mode.
+ * This parameter can be one of the following values:
+ * @arg TIM_MasterSlaveMode_Enable: synchronization between the current timer
+ * and its slaves (through TRGO).
+ * @arg TIM_MasterSlaveMode_Disable: No action
+ * @retval None
+ */
+void TIM_SelectMasterSlaveMode(TIM_TypeDef* TIMx, uint16_t TIM_MasterSlaveMode)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST6_PERIPH(TIMx));
+ assert_param(IS_TIM_MSM_STATE(TIM_MasterSlaveMode));
+
+ /* Reset the MSM Bit */
+ TIMx->SMCR &= (uint16_t)~((uint16_t)TIM_SMCR_MSM);
+
+ /* Set or Reset the MSM Bit */
+ TIMx->SMCR |= TIM_MasterSlaveMode;
+}
+
+/**
+ * @brief Configures the TIMx External Trigger (ETR).
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_ExtTRGPrescaler: The external Trigger Prescaler.
+ * This parameter can be one of the following values:
+ * @arg TIM_ExtTRGPSC_OFF: ETRP Prescaler OFF.
+ * @arg TIM_ExtTRGPSC_DIV2: ETRP frequency divided by 2.
+ * @arg TIM_ExtTRGPSC_DIV4: ETRP frequency divided by 4.
+ * @arg TIM_ExtTRGPSC_DIV8: ETRP frequency divided by 8.
+ * @param TIM_ExtTRGPolarity: The external Trigger Polarity.
+ * This parameter can be one of the following values:
+ * @arg TIM_ExtTRGPolarity_Inverted: active low or falling edge active.
+ * @arg TIM_ExtTRGPolarity_NonInverted: active high or rising edge active.
+ * @param ExtTRGFilter: External Trigger Filter.
+ * This parameter must be a value between 0x00 and 0x0F
+ * @retval None
+ */
+void TIM_ETRConfig(TIM_TypeDef* TIMx, uint16_t TIM_ExtTRGPrescaler, uint16_t TIM_ExtTRGPolarity,
+ uint16_t ExtTRGFilter)
+{
+ uint16_t tmpsmcr = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_TIM_EXT_PRESCALER(TIM_ExtTRGPrescaler));
+ assert_param(IS_TIM_EXT_POLARITY(TIM_ExtTRGPolarity));
+ assert_param(IS_TIM_EXT_FILTER(ExtTRGFilter));
+
+ tmpsmcr = TIMx->SMCR;
+ /* Reset the ETR Bits */
+ tmpsmcr &= SMCR_ETR_MASK;
+ /* Set the Prescaler, the Filter value and the Polarity */
+ tmpsmcr |= (uint16_t)(TIM_ExtTRGPrescaler | (uint16_t)(TIM_ExtTRGPolarity | (uint16_t)(ExtTRGFilter << (uint16_t)8)));
+ /* Write to TIMx SMCR */
+ TIMx->SMCR = tmpsmcr;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Group8 Specific interface management functions
+ * @brief Specific interface management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Specific interface management functions #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Configures the TIMx Encoder Interface.
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_EncoderMode: specifies the TIMx Encoder Mode.
+ * This parameter can be one of the following values:
+ * @arg TIM_EncoderMode_TI1: Counter counts on TI1FP1 edge depending on TI2FP2 level.
+ * @arg TIM_EncoderMode_TI2: Counter counts on TI2FP2 edge depending on TI1FP1 level.
+ * @arg TIM_EncoderMode_TI12: Counter counts on both TI1FP1 and TI2FP2 edges depending
+ * on the level of the other input.
+ * @param TIM_IC1Polarity: specifies the IC1 Polarity
+ * This parmeter can be one of the following values:
+ * @arg TIM_ICPolarity_Falling: IC Falling edge.
+ * @arg TIM_ICPolarity_Rising: IC Rising edge.
+ * @param TIM_IC2Polarity: specifies the IC2 Polarity
+ * This parmeter can be one of the following values:
+ * @arg TIM_ICPolarity_Falling: IC Falling edge.
+ * @arg TIM_ICPolarity_Rising: IC Rising edge.
+ * @retval None
+ */
+void TIM_EncoderInterfaceConfig(TIM_TypeDef* TIMx, uint16_t TIM_EncoderMode,
+ uint16_t TIM_IC1Polarity, uint16_t TIM_IC2Polarity)
+{
+ uint16_t tmpsmcr = 0;
+ uint16_t tmpccmr1 = 0;
+ uint16_t tmpccer = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_TIM_ENCODER_MODE(TIM_EncoderMode));
+ assert_param(IS_TIM_IC_POLARITY(TIM_IC1Polarity));
+ assert_param(IS_TIM_IC_POLARITY(TIM_IC2Polarity));
+
+ /* Get the TIMx SMCR register value */
+ tmpsmcr = TIMx->SMCR;
+ /* Get the TIMx CCMR1 register value */
+ tmpccmr1 = TIMx->CCMR1;
+ /* Get the TIMx CCER register value */
+ tmpccer = TIMx->CCER;
+ /* Set the encoder Mode */
+ tmpsmcr &= (uint16_t)(~((uint16_t)TIM_SMCR_SMS));
+ tmpsmcr |= TIM_EncoderMode;
+ /* Select the Capture Compare 1 and the Capture Compare 2 as input */
+ tmpccmr1 &= (uint16_t)(((uint16_t)~((uint16_t)TIM_CCMR1_CC1S)) & (uint16_t)(~((uint16_t)TIM_CCMR1_CC2S)));
+ tmpccmr1 |= TIM_CCMR1_CC1S_0 | TIM_CCMR1_CC2S_0;
+ /* Set the TI1 and the TI2 Polarities */
+ tmpccer &= (uint16_t)~((uint16_t)(TIM_CCER_CC1P | TIM_CCER_CC1NP)) & (uint16_t)~((uint16_t)(TIM_CCER_CC2P | TIM_CCER_CC2NP));
+ tmpccer |= (uint16_t)(TIM_IC1Polarity | (uint16_t)(TIM_IC2Polarity << (uint16_t)4));
+ /* Write to TIMx SMCR */
+ TIMx->SMCR = tmpsmcr;
+ /* Write to TIMx CCMR1 */
+ TIMx->CCMR1 = tmpccmr1;
+ /* Write to TIMx CCER */
+ TIMx->CCER = tmpccer;
+}
+
+/**
+ * @brief Enables or disables the TIMx's Hall sensor interface.
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param NewState: new state of the TIMx Hall sensor interface.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void TIM_SelectHallSensor(TIM_TypeDef* TIMx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Set the TI1S Bit */
+ TIMx->CR2 |= TIM_CR2_TI1S;
+ }
+ else
+ {
+ /* Reset the TI1S Bit */
+ TIMx->CR2 &= (uint16_t)~((uint16_t)TIM_CR2_TI1S);
+ }
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Group9 Specific remapping management function
+ * @brief Specific remapping management function
+ *
+@verbatim
+ ===============================================================================
+ ##### Specific remapping management function #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+/**
+ * @brief Configures the TIM14 Remapping input Capabilities.
+ * @param TIMx: where x can be 14 to select the TIM peripheral.
+ * @param TIM_Remap: specifies the TIM input reampping source.
+ * This parameter can be one of the following values:
+ * @arg TIM14_GPIO: TIM14 Channel 1 is connected to GPIO.
+ * @arg TIM14_RTC_CLK: TIM14 Channel 1 is connected to RTC input clock.
+ * RTC input clock can be LSE, LSI or HSE/div128.
+ * @arg TIM14_HSE_DIV32: TIM14 Channel 1 is connected to HSE/32 clock.
+ * @arg TIM14_MCO: TIM14 Channel 1 is connected to MCO clock.
+ * MCO clock can be HSI14, SYSCLK, HSI, HSE or PLL/2.
+ * @retval None
+ */
+void TIM_RemapConfig(TIM_TypeDef* TIMx, uint16_t TIM_Remap)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST11_PERIPH(TIMx));
+ assert_param(IS_TIM_REMAP(TIM_Remap));
+
+ /* Set the Timer remapping configuration */
+ TIMx->OR = TIM_Remap;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @brief Configure the TI1 as Input.
+ * @param TIMx: where x can be 1, 2, 3, 14, 15, 16 or 17 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_ICPolarity: The Input Polarity.
+ * This parameter can be one of the following values:
+ * @arg TIM_ICPolarity_Rising
+ * @arg TIM_ICPolarity_Falling
+ * @param TIM_ICSelection: specifies the input to be used.
+ * This parameter can be one of the following values:
+ * @arg TIM_ICSelection_DirectTI: TIM Input 1 is selected to be connected to IC1.
+ * @arg TIM_ICSelection_IndirectTI: TIM Input 1 is selected to be connected to IC2.
+ * @arg TIM_ICSelection_TRC: TIM Input 1 is selected to be connected to TRC.
+ * @param TIM_ICFilter: Specifies the Input Capture Filter.
+ * This parameter must be a value between 0x00 and 0x0F.
+ * @retval None
+ */
+static void TI1_Config(TIM_TypeDef* TIMx, uint16_t TIM_ICPolarity, uint16_t TIM_ICSelection,
+ uint16_t TIM_ICFilter)
+{
+ uint16_t tmpccmr1 = 0, tmpccer = 0;
+ /* Disable the Channel 1: Reset the CC1E Bit */
+ TIMx->CCER &= (uint16_t)~((uint16_t)TIM_CCER_CC1E);
+ tmpccmr1 = TIMx->CCMR1;
+ tmpccer = TIMx->CCER;
+ /* Select the Input and set the filter */
+ tmpccmr1 &= (uint16_t)(((uint16_t)~((uint16_t)TIM_CCMR1_CC1S)) & ((uint16_t)~((uint16_t)TIM_CCMR1_IC1F)));
+ tmpccmr1 |= (uint16_t)(TIM_ICSelection | (uint16_t)(TIM_ICFilter << (uint16_t)4));
+
+ /* Select the Polarity and set the CC1E Bit */
+ tmpccer &= (uint16_t)~((uint16_t)(TIM_CCER_CC1P | TIM_CCER_CC1NP));
+ tmpccer |= (uint16_t)(TIM_ICPolarity | (uint16_t)TIM_CCER_CC1E);
+ /* Write to TIMx CCMR1 and CCER registers */
+ TIMx->CCMR1 = tmpccmr1;
+ TIMx->CCER = tmpccer;
+}
+
+/**
+ * @brief Configure the TI2 as Input.
+ * @param TIMx: where x can be 1, 2, 3, or 15 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_ICPolarity: The Input Polarity.
+ * This parameter can be one of the following values:
+ * @arg TIM_ICPolarity_Rising
+ * @arg TIM_ICPolarity_Falling
+ * @param TIM_ICSelection: specifies the input to be used.
+ * This parameter can be one of the following values:
+ * @arg TIM_ICSelection_DirectTI: TIM Input 2 is selected to be connected to IC2.
+ * @arg TIM_ICSelection_IndirectTI: TIM Input 2 is selected to be connected to IC1.
+ * @arg TIM_ICSelection_TRC: TIM Input 2 is selected to be connected to TRC.
+ * @param TIM_ICFilter: Specifies the Input Capture Filter.
+ * This parameter must be a value between 0x00 and 0x0F.
+ * @retval None
+ */
+static void TI2_Config(TIM_TypeDef* TIMx, uint16_t TIM_ICPolarity, uint16_t TIM_ICSelection,
+ uint16_t TIM_ICFilter)
+{
+ uint16_t tmpccmr1 = 0, tmpccer = 0, tmp = 0;
+ /* Disable the Channel 2: Reset the CC2E Bit */
+ TIMx->CCER &= (uint16_t)~((uint16_t)TIM_CCER_CC2E);
+ tmpccmr1 = TIMx->CCMR1;
+ tmpccer = TIMx->CCER;
+ tmp = (uint16_t)(TIM_ICPolarity << 4);
+ /* Select the Input and set the filter */
+ tmpccmr1 &= (uint16_t)(((uint16_t)~((uint16_t)TIM_CCMR1_CC2S)) & ((uint16_t)~((uint16_t)TIM_CCMR1_IC2F)));
+ tmpccmr1 |= (uint16_t)(TIM_ICFilter << 12);
+ tmpccmr1 |= (uint16_t)(TIM_ICSelection << 8);
+ /* Select the Polarity and set the CC2E Bit */
+ tmpccer &= (uint16_t)~((uint16_t)(TIM_CCER_CC2P | TIM_CCER_CC2NP));
+ tmpccer |= (uint16_t)(tmp | (uint16_t)TIM_CCER_CC2E);
+ /* Write to TIMx CCMR1 and CCER registers */
+ TIMx->CCMR1 = tmpccmr1 ;
+ TIMx->CCER = tmpccer;
+}
+
+/**
+ * @brief Configure the TI3 as Input.
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_ICPolarity: The Input Polarity.
+ * This parameter can be one of the following values:
+ * @arg TIM_ICPolarity_Rising
+ * @arg TIM_ICPolarity_Falling
+ * @param TIM_ICSelection: specifies the input to be used.
+ * This parameter can be one of the following values:
+ * @arg TIM_ICSelection_DirectTI: TIM Input 3 is selected to be connected to IC3.
+ * @arg TIM_ICSelection_IndirectTI: TIM Input 3 is selected to be connected to IC4.
+ * @arg TIM_ICSelection_TRC: TIM Input 3 is selected to be connected to TRC.
+ * @param TIM_ICFilter: Specifies the Input Capture Filter.
+ * This parameter must be a value between 0x00 and 0x0F.
+ * @retval None
+ */
+static void TI3_Config(TIM_TypeDef* TIMx, uint16_t TIM_ICPolarity, uint16_t TIM_ICSelection,
+ uint16_t TIM_ICFilter)
+{
+ uint16_t tmpccmr2 = 0, tmpccer = 0, tmp = 0;
+ /* Disable the Channel 3: Reset the CC3E Bit */
+ TIMx->CCER &= (uint16_t)~((uint16_t)TIM_CCER_CC3E);
+ tmpccmr2 = TIMx->CCMR2;
+ tmpccer = TIMx->CCER;
+ tmp = (uint16_t)(TIM_ICPolarity << 8);
+ /* Select the Input and set the filter */
+ tmpccmr2 &= (uint16_t)(((uint16_t)~((uint16_t)TIM_CCMR2_CC3S)) & ((uint16_t)~((uint16_t)TIM_CCMR2_IC3F)));
+ tmpccmr2 |= (uint16_t)(TIM_ICSelection | (uint16_t)(TIM_ICFilter << (uint16_t)4));
+ /* Select the Polarity and set the CC3E Bit */
+ tmpccer &= (uint16_t)~((uint16_t)(TIM_CCER_CC3P | TIM_CCER_CC3NP));
+ tmpccer |= (uint16_t)(tmp | (uint16_t)TIM_CCER_CC3E);
+ /* Write to TIMx CCMR2 and CCER registers */
+ TIMx->CCMR2 = tmpccmr2;
+ TIMx->CCER = tmpccer;
+}
+
+/**
+ * @brief Configure the TI4 as Input.
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_ICPolarity: The Input Polarity.
+ * This parameter can be one of the following values:
+ * @arg TIM_ICPolarity_Rising
+ * @arg TIM_ICPolarity_Falling
+ * @param TIM_ICSelection: specifies the input to be used.
+ * This parameter can be one of the following values:
+ * @arg TIM_ICSelection_DirectTI: TIM Input 4 is selected to be connected to IC4.
+ * @arg TIM_ICSelection_IndirectTI: TIM Input 4 is selected to be connected to IC3.
+ * @arg TIM_ICSelection_TRC: TIM Input 4 is selected to be connected to TRC.
+ * @param TIM_ICFilter: Specifies the Input Capture Filter.
+ * This parameter must be a value between 0x00 and 0x0F.
+ * @retval None
+ */
+static void TI4_Config(TIM_TypeDef* TIMx, uint16_t TIM_ICPolarity, uint16_t TIM_ICSelection,
+ uint16_t TIM_ICFilter)
+{
+ uint16_t tmpccmr2 = 0, tmpccer = 0, tmp = 0;
+
+ /* Disable the Channel 4: Reset the CC4E Bit */
+ TIMx->CCER &= (uint16_t)~((uint16_t)TIM_CCER_CC4E);
+ tmpccmr2 = TIMx->CCMR2;
+ tmpccer = TIMx->CCER;
+ tmp = (uint16_t)(TIM_ICPolarity << 12);
+ /* Select the Input and set the filter */
+ tmpccmr2 &= (uint16_t)((uint16_t)(~(uint16_t)TIM_CCMR2_CC4S) & ((uint16_t)~((uint16_t)TIM_CCMR2_IC4F)));
+ tmpccmr2 |= (uint16_t)(TIM_ICSelection << 8);
+ tmpccmr2 |= (uint16_t)(TIM_ICFilter << 12);
+ /* Select the Polarity and set the CC4E Bit */
+ tmpccer &= (uint16_t)~((uint16_t)(TIM_CCER_CC4P | TIM_CCER_CC4NP));
+ tmpccer |= (uint16_t)(tmp | (uint16_t)TIM_CCER_CC4E);
+ /* Write to TIMx CCMR2 and CCER registers */
+ TIMx->CCMR2 = tmpccmr2;
+ TIMx->CCER = tmpccer;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_usart.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_usart.c
new file mode 100644
index 00000000..4b81b700
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_usart.c
@@ -0,0 +1,2168 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_usart.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the Universal synchronous asynchronous receiver
+ * transmitter (USART):
+ * + Initialization and Configuration
+ * + STOP Mode
+ * + AutoBaudRate
+ * + Data transfers
+ * + Multi-Processor Communication
+ * + LIN mode
+ * + Half-duplex mode
+ * + Smartcard mode
+ * + IrDA mode
+ * + RS485 mode
+ * + DMA transfers management
+ * + Interrupts and flags management
+ *
+ * @verbatim
+ ===============================================================================
+ ##### How to use this driver #####
+ ===============================================================================
+ [..]
+ (#) Enable peripheral clock using RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE)
+ function for USART1 or using RCC_APB1PeriphClockCmd(RCC_APB1Periph_USARTx, ENABLE)
+ function for USART2 and USART3.
+ (#) According to the USART mode, enable the GPIO clocks using
+ RCC_AHBPeriphClockCmd() function. (The I/O can be TX, RX, CTS,
+ or and SCLK).
+ (#) Peripheral's alternate function:
+ (++) Connect the pin to the desired peripherals' Alternate
+ Function (AF) using GPIO_PinAFConfig() function.
+ (++) Configure the desired pin in alternate function by:
+ GPIO_InitStruct->GPIO_Mode = GPIO_Mode_AF.
+ (++) Select the type, pull-up/pull-down and output speed via
+ GPIO_PuPd, GPIO_OType and GPIO_Speed members.
+ (++) Call GPIO_Init() function.
+ (#) Program the Baud Rate, Word Length , Stop Bit, Parity, Hardware
+ flow control and Mode(Receiver/Transmitter) using the SPI_Init()
+ function.
+ (#) For synchronous mode, enable the clock and program the polarity,
+ phase and last bit using the USART_ClockInit() function.
+ (#) Enable the NVIC and the corresponding interrupt using the function
+ USART_ITConfig() if you need to use interrupt mode.
+ (#) When using the DMA mode:
+ (++) Configure the DMA using DMA_Init() function.
+ (++) Active the needed channel Request using USART_DMACmd() function.
+ (#) Enable the USART using the USART_Cmd() function.
+ (#) Enable the DMA using the DMA_Cmd() function, when using DMA mode.
+ [..]
+ Refer to Multi-Processor, LIN, half-duplex, Smartcard, IrDA sub-sections
+ for more details.
+
+@endverbatim
+
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_usart.h"
+#include "stm32f0xx_rcc.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup USART
+ * @brief USART driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+
+/*!< USART CR1 register clear Mask ((~(uint32_t)0xFFFFE6F3)) */
+#define CR1_CLEAR_MASK ((uint32_t)(USART_CR1_M | USART_CR1_PCE | \
+ USART_CR1_PS | USART_CR1_TE | \
+ USART_CR1_RE))
+
+/*!< USART CR2 register clock bits clear Mask ((~(uint32_t)0xFFFFF0FF)) */
+#define CR2_CLOCK_CLEAR_MASK ((uint32_t)(USART_CR2_CLKEN | USART_CR2_CPOL | \
+ USART_CR2_CPHA | USART_CR2_LBCL))
+
+/*!< USART CR3 register clear Mask ((~(uint32_t)0xFFFFFCFF)) */
+#define CR3_CLEAR_MASK ((uint32_t)(USART_CR3_RTSE | USART_CR3_CTSE))
+
+/*!< USART Interrupts mask */
+#define IT_MASK ((uint32_t)0x000000FF)
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup USART_Private_Functions
+ * @{
+ */
+
+/** @defgroup USART_Group1 Initialization and Configuration functions
+ * @brief Initialization and Configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Initialization and Configuration functions #####
+ ===============================================================================
+ [..]
+ This subsection provides a set of functions allowing to initialize the USART
+ in asynchronous and in synchronous modes.
+ (+) For the asynchronous mode only these parameters can be configured:
+ (++) Baud Rate.
+ (++) Word Length.
+ (++) Stop Bit.
+ (++) Parity: If the parity is enabled, then the MSB bit of the data written
+ in the data register is transmitted but is changed by the parity bit.
+ Depending on the frame length defined by the M bit (8-bits or 9-bits),
+ the possible USART frame formats are as listed in the following table:
+
+ +-------------------------------------------------------------+
+ | M bit | PCE bit | USART frame |
+ |---------------------|---------------------------------------|
+ | 0 | 0 | | SB | 8 bit data | STB | |
+ |---------|-----------|---------------------------------------|
+ | 0 | 1 | | SB | 7 bit data | PB | STB | |
+ |---------|-----------|---------------------------------------|
+ | 1 | 0 | | SB | 9 bit data | STB | |
+ |---------|-----------|---------------------------------------|
+ | 1 | 1 | | SB | 8 bit data | PB | STB | |
+ +-------------------------------------------------------------+
+
+ (++) Hardware flow control.
+ (++) Receiver/transmitter modes.
+ [..] The USART_Init() function follows the USART asynchronous configuration
+ procedure(details for the procedure are available in reference manual.
+ (+) For the synchronous mode in addition to the asynchronous mode parameters
+ these parameters should be also configured:
+ (++) USART Clock Enabled.
+ (++) USART polarity.
+ (++) USART phase.
+ (++) USART LastBit.
+ [..] These parameters can be configured using the USART_ClockInit() function.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Deinitializes the USARTx peripheral registers to their default reset values.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @retval None
+ */
+void USART_DeInit(USART_TypeDef* USARTx)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+
+ if (USARTx == USART1)
+ {
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_USART1, ENABLE);
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_USART1, DISABLE);
+ }
+ else if (USARTx == USART2)
+ {
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_USART2, ENABLE);
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_USART2, DISABLE);
+ }
+ else if (USARTx == USART3)
+ {
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_USART3, ENABLE);
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_USART3, DISABLE);
+ }
+ else if (USARTx == USART4)
+ {
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_USART4, ENABLE);
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_USART4, DISABLE);
+ }
+ else if (USARTx == USART5)
+ {
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_USART5, ENABLE);
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_USART5, DISABLE);
+ }
+ else if (USARTx == USART6)
+ {
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_USART6, ENABLE);
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_USART6, DISABLE);
+ }
+ else if (USARTx == USART7)
+ {
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_USART7, ENABLE);
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_USART7, DISABLE);
+ }
+ else
+ {
+ if (USARTx == USART8)
+ {
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_USART8, ENABLE);
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_USART8, DISABLE);
+ }
+ }
+}
+
+/**
+ * @brief Initializes the USARTx peripheral according to the specified
+ * parameters in the USART_InitStruct .
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param USART_InitStruct: pointer to a USART_InitTypeDef structure that contains
+ * the configuration information for the specified USART peripheral.
+ * @retval None
+ */
+void USART_Init(USART_TypeDef* USARTx, USART_InitTypeDef* USART_InitStruct)
+{
+ uint32_t divider = 0, apbclock = 0, tmpreg = 0;
+ RCC_ClocksTypeDef RCC_ClocksStatus;
+
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_USART_BAUDRATE(USART_InitStruct->USART_BaudRate));
+ assert_param(IS_USART_WORD_LENGTH(USART_InitStruct->USART_WordLength));
+ assert_param(IS_USART_STOPBITS(USART_InitStruct->USART_StopBits));
+ assert_param(IS_USART_PARITY(USART_InitStruct->USART_Parity));
+ assert_param(IS_USART_MODE(USART_InitStruct->USART_Mode));
+ assert_param(IS_USART_HARDWARE_FLOW_CONTROL(USART_InitStruct->USART_HardwareFlowControl));
+
+ /* Disable USART */
+ USARTx->CR1 &= (uint32_t)~((uint32_t)USART_CR1_UE);
+
+ /*---------------------------- USART CR2 Configuration -----------------------*/
+ tmpreg = USARTx->CR2;
+ /* Clear STOP[13:12] bits */
+ tmpreg &= (uint32_t)~((uint32_t)USART_CR2_STOP);
+
+ /* Configure the USART Stop Bits, Clock, CPOL, CPHA and LastBit ------------*/
+ /* Set STOP[13:12] bits according to USART_StopBits value */
+ tmpreg |= (uint32_t)USART_InitStruct->USART_StopBits;
+
+ /* Write to USART CR2 */
+ USARTx->CR2 = tmpreg;
+
+ /*---------------------------- USART CR1 Configuration -----------------------*/
+ tmpreg = USARTx->CR1;
+ /* Clear M, PCE, PS, TE and RE bits */
+ tmpreg &= (uint32_t)~((uint32_t)CR1_CLEAR_MASK);
+
+ /* Configure the USART Word Length, Parity and mode ----------------------- */
+ /* Set the M bits according to USART_WordLength value */
+ /* Set PCE and PS bits according to USART_Parity value */
+ /* Set TE and RE bits according to USART_Mode value */
+ tmpreg |= (uint32_t)USART_InitStruct->USART_WordLength | USART_InitStruct->USART_Parity |
+ USART_InitStruct->USART_Mode;
+
+ /* Write to USART CR1 */
+ USARTx->CR1 = tmpreg;
+
+ /*---------------------------- USART CR3 Configuration -----------------------*/
+ tmpreg = USARTx->CR3;
+ /* Clear CTSE and RTSE bits */
+ tmpreg &= (uint32_t)~((uint32_t)CR3_CLEAR_MASK);
+
+ /* Configure the USART HFC -------------------------------------------------*/
+ /* Set CTSE and RTSE bits according to USART_HardwareFlowControl value */
+ tmpreg |= USART_InitStruct->USART_HardwareFlowControl;
+
+ /* Write to USART CR3 */
+ USARTx->CR3 = tmpreg;
+
+ /*---------------------------- USART BRR Configuration -----------------------*/
+ /* Configure the USART Baud Rate -------------------------------------------*/
+ RCC_GetClocksFreq(&RCC_ClocksStatus);
+
+ if (USARTx == USART1)
+ {
+ apbclock = RCC_ClocksStatus.USART1CLK_Frequency;
+ }
+ else if (USARTx == USART2)
+ {
+ apbclock = RCC_ClocksStatus.USART2CLK_Frequency;
+ }
+ else if (USARTx == USART3)
+ {
+ apbclock = RCC_ClocksStatus.USART3CLK_Frequency;
+ }
+ else
+ {
+ apbclock = RCC_ClocksStatus.PCLK_Frequency;
+ }
+
+ /* Determine the integer part */
+ if ((USARTx->CR1 & USART_CR1_OVER8) != 0)
+ {
+ /* (divider * 10) computing in case Oversampling mode is 8 Samples */
+ divider = (uint32_t)((2 * apbclock) / (USART_InitStruct->USART_BaudRate));
+ tmpreg = (uint32_t)((2 * apbclock) % (USART_InitStruct->USART_BaudRate));
+ }
+ else /* if ((USARTx->CR1 & CR1_OVER8_Set) == 0) */
+ {
+ /* (divider * 10) computing in case Oversampling mode is 16 Samples */
+ divider = (uint32_t)((apbclock) / (USART_InitStruct->USART_BaudRate));
+ tmpreg = (uint32_t)((apbclock) % (USART_InitStruct->USART_BaudRate));
+ }
+
+ /* round the divider : if fractional part i greater than 0.5 increment divider */
+ if (tmpreg >= (USART_InitStruct->USART_BaudRate) / 2)
+ {
+ divider++;
+ }
+
+ /* Implement the divider in case Oversampling mode is 8 Samples */
+ if ((USARTx->CR1 & USART_CR1_OVER8) != 0)
+ {
+ /* get the LSB of divider and shift it to the right by 1 bit */
+ tmpreg = (divider & (uint16_t)0x000F) >> 1;
+
+ /* update the divider value */
+ divider = (divider & (uint16_t)0xFFF0) | tmpreg;
+ }
+
+ /* Write to USART BRR */
+ USARTx->BRR = (uint16_t)divider;
+}
+
+/**
+ * @brief Fills each USART_InitStruct member with its default value.
+ * @param USART_InitStruct: pointer to a USART_InitTypeDef structure
+ * which will be initialized.
+ * @retval None
+ */
+void USART_StructInit(USART_InitTypeDef* USART_InitStruct)
+{
+ /* USART_InitStruct members default value */
+ USART_InitStruct->USART_BaudRate = 9600;
+ USART_InitStruct->USART_WordLength = USART_WordLength_8b;
+ USART_InitStruct->USART_StopBits = USART_StopBits_1;
+ USART_InitStruct->USART_Parity = USART_Parity_No ;
+ USART_InitStruct->USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
+ USART_InitStruct->USART_HardwareFlowControl = USART_HardwareFlowControl_None;
+}
+
+/**
+ * @brief Initializes the USARTx peripheral Clock according to the
+ * specified parameters in the USART_ClockInitStruct.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param USART_ClockInitStruct: pointer to a USART_ClockInitTypeDef
+ * structure that contains the configuration information for the specified
+ * USART peripheral.
+ * @retval None
+ */
+void USART_ClockInit(USART_TypeDef* USARTx, USART_ClockInitTypeDef* USART_ClockInitStruct)
+{
+ uint32_t tmpreg = 0;
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_USART_CLOCK(USART_ClockInitStruct->USART_Clock));
+ assert_param(IS_USART_CPOL(USART_ClockInitStruct->USART_CPOL));
+ assert_param(IS_USART_CPHA(USART_ClockInitStruct->USART_CPHA));
+ assert_param(IS_USART_LASTBIT(USART_ClockInitStruct->USART_LastBit));
+/*---------------------------- USART CR2 Configuration -----------------------*/
+ tmpreg = USARTx->CR2;
+ /* Clear CLKEN, CPOL, CPHA, LBCL and SSM bits */
+ tmpreg &= (uint32_t)~((uint32_t)CR2_CLOCK_CLEAR_MASK);
+ /* Configure the USART Clock, CPOL, CPHA, LastBit and SSM ------------*/
+ /* Set CLKEN bit according to USART_Clock value */
+ /* Set CPOL bit according to USART_CPOL value */
+ /* Set CPHA bit according to USART_CPHA value */
+ /* Set LBCL bit according to USART_LastBit value */
+ tmpreg |= (uint32_t)(USART_ClockInitStruct->USART_Clock | USART_ClockInitStruct->USART_CPOL |
+ USART_ClockInitStruct->USART_CPHA | USART_ClockInitStruct->USART_LastBit);
+ /* Write to USART CR2 */
+ USARTx->CR2 = tmpreg;
+}
+
+/**
+ * @brief Fills each USART_ClockInitStruct member with its default value.
+ * @param USART_ClockInitStruct: pointer to a USART_ClockInitTypeDef
+ * structure which will be initialized.
+ * @retval None
+ */
+void USART_ClockStructInit(USART_ClockInitTypeDef* USART_ClockInitStruct)
+{
+ /* USART_ClockInitStruct members default value */
+ USART_ClockInitStruct->USART_Clock = USART_Clock_Disable;
+ USART_ClockInitStruct->USART_CPOL = USART_CPOL_Low;
+ USART_ClockInitStruct->USART_CPHA = USART_CPHA_1Edge;
+ USART_ClockInitStruct->USART_LastBit = USART_LastBit_Disable;
+}
+
+/**
+ * @brief Enables or disables the specified USART peripheral.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param NewState: new state of the USARTx peripheral.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void USART_Cmd(USART_TypeDef* USARTx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected USART by setting the UE bit in the CR1 register */
+ USARTx->CR1 |= USART_CR1_UE;
+ }
+ else
+ {
+ /* Disable the selected USART by clearing the UE bit in the CR1 register */
+ USARTx->CR1 &= (uint32_t)~((uint32_t)USART_CR1_UE);
+ }
+}
+
+/**
+ * @brief Enables or disables the USART's transmitter or receiver.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param USART_Direction: specifies the USART direction.
+ * This parameter can be any combination of the following values:
+ * @arg USART_Mode_Tx: USART Transmitter
+ * @arg USART_Mode_Rx: USART Receiver
+ * @param NewState: new state of the USART transfer direction.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void USART_DirectionModeCmd(USART_TypeDef* USARTx, uint32_t USART_DirectionMode, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_USART_MODE(USART_DirectionMode));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the USART's transfer interface by setting the TE and/or RE bits
+ in the USART CR1 register */
+ USARTx->CR1 |= USART_DirectionMode;
+ }
+ else
+ {
+ /* Disable the USART's transfer interface by clearing the TE and/or RE bits
+ in the USART CR3 register */
+ USARTx->CR1 &= (uint32_t)~USART_DirectionMode;
+ }
+}
+
+/**
+ * @brief Enables or disables the USART's 8x oversampling mode.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param NewState: new state of the USART 8x oversampling mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @note This function has to be called before calling USART_Init() function
+ * in order to have correct baudrate Divider value.
+ * @retval None
+ */
+void USART_OverSampling8Cmd(USART_TypeDef* USARTx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the 8x Oversampling mode by setting the OVER8 bit in the CR1 register */
+ USARTx->CR1 |= USART_CR1_OVER8;
+ }
+ else
+ {
+ /* Disable the 8x Oversampling mode by clearing the OVER8 bit in the CR1 register */
+ USARTx->CR1 &= (uint32_t)~((uint32_t)USART_CR1_OVER8);
+ }
+}
+
+/**
+ * @brief Enables or disables the USART's one bit sampling method.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param NewState: new state of the USART one bit sampling method.
+ * This parameter can be: ENABLE or DISABLE.
+ * @note This function has to be called before calling USART_Cmd() function.
+ * @retval None
+ */
+void USART_OneBitMethodCmd(USART_TypeDef* USARTx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the one bit method by setting the ONEBITE bit in the CR3 register */
+ USARTx->CR3 |= USART_CR3_ONEBIT;
+ }
+ else
+ {
+ /* Disable the one bit method by clearing the ONEBITE bit in the CR3 register */
+ USARTx->CR3 &= (uint32_t)~((uint32_t)USART_CR3_ONEBIT);
+ }
+}
+
+/**
+ * @brief Enables or disables the USART's most significant bit first
+ * transmitted/received following the start bit.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param NewState: new state of the USART most significant bit first
+ * transmitted/received following the start bit.
+ * This parameter can be: ENABLE or DISABLE.
+ * @note This function has to be called before calling USART_Cmd() function.
+ * @retval None
+ */
+void USART_MSBFirstCmd(USART_TypeDef* USARTx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the most significant bit first transmitted/received following the
+ start bit by setting the MSBFIRST bit in the CR2 register */
+ USARTx->CR2 |= USART_CR2_MSBFIRST;
+ }
+ else
+ {
+ /* Disable the most significant bit first transmitted/received following the
+ start bit by clearing the MSBFIRST bit in the CR2 register */
+ USARTx->CR2 &= (uint32_t)~((uint32_t)USART_CR2_MSBFIRST);
+ }
+}
+
+/**
+ * @brief Enables or disables the binary data inversion.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param NewState: new defined levels for the USART data.
+ * This parameter can be:
+ * @arg ENABLE: Logical data from the data register are send/received in negative
+ * logic (1=L, 0=H). The parity bit is also inverted.
+ * @arg DISABLE: Logical data from the data register are send/received in positive
+ * logic (1=H, 0=L)
+ * @note This function has to be called before calling USART_Cmd() function.
+ * @retval None
+ */
+void USART_DataInvCmd(USART_TypeDef* USARTx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the binary data inversion feature by setting the DATAINV bit in
+ the CR2 register */
+ USARTx->CR2 |= USART_CR2_DATAINV;
+ }
+ else
+ {
+ /* Disable the binary data inversion feature by clearing the DATAINV bit in
+ the CR2 register */
+ USARTx->CR2 &= (uint32_t)~((uint32_t)USART_CR2_DATAINV);
+ }
+}
+
+/**
+ * @brief Enables or disables the Pin(s) active level inversion.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param USART_InvPin: specifies the USART pin(s) to invert.
+ * This parameter can be any combination of the following values:
+ * @arg USART_InvPin_Tx: USART Tx pin active level inversion.
+ * @arg USART_InvPin_Rx: USART Rx pin active level inversion.
+ * @param NewState: new active level status for the USART pin(s).
+ * This parameter can be:
+ * @arg ENABLE: pin(s) signal values are inverted (Vdd =0, Gnd =1).
+ * @arg DISABLE: pin(s) signal works using the standard logic levels (Vdd =1, Gnd =0).
+ * @note This function has to be called before calling USART_Cmd() function.
+ * @retval None
+ */
+void USART_InvPinCmd(USART_TypeDef* USARTx, uint32_t USART_InvPin, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_USART_INVERSTION_PIN(USART_InvPin));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the active level inversion for selected pins by setting the TXINV
+ and/or RXINV bits in the USART CR2 register */
+ USARTx->CR2 |= USART_InvPin;
+ }
+ else
+ {
+ /* Disable the active level inversion for selected requests by clearing the
+ TXINV and/or RXINV bits in the USART CR2 register */
+ USARTx->CR2 &= (uint32_t)~USART_InvPin;
+ }
+}
+
+/**
+ * @brief Enables or disables the swap Tx/Rx pins.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param NewState: new state of the USARTx TX/RX pins pinout.
+ * This parameter can be:
+ * @arg ENABLE: The TX and RX pins functions are swapped.
+ * @arg DISABLE: TX/RX pins are used as defined in standard pinout
+ * @note This function has to be called before calling USART_Cmd() function.
+ * @retval None
+ */
+void USART_SWAPPinCmd(USART_TypeDef* USARTx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the SWAP feature by setting the SWAP bit in the CR2 register */
+ USARTx->CR2 |= USART_CR2_SWAP;
+ }
+ else
+ {
+ /* Disable the SWAP feature by clearing the SWAP bit in the CR2 register */
+ USARTx->CR2 &= (uint32_t)~((uint32_t)USART_CR2_SWAP);
+ }
+}
+
+/**
+ * @brief Enables or disables the receiver Time Out feature.
+ * @param USARTx: where x can be 1, 2 or 3 to select the USART peripheral.
+ * @note USART2 is available only for STM32F072 and STM32F091 devices.
+ * @note USART3 is available only for STM32F091 devices.
+ * @param NewState: new state of the USARTx receiver Time Out.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void USART_ReceiverTimeOutCmd(USART_TypeDef* USARTx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_123_PERIPH(USARTx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the receiver time out feature by setting the RTOEN bit in the CR2
+ register */
+ USARTx->CR2 |= USART_CR2_RTOEN;
+ }
+ else
+ {
+ /* Disable the receiver time out feature by clearing the RTOEN bit in the CR2
+ register */
+ USARTx->CR2 &= (uint32_t)~((uint32_t)USART_CR2_RTOEN);
+ }
+}
+
+/**
+ * @brief Sets the receiver Time Out value.
+ * @param USARTx: where x can be 1, 2 or 3 to select the USART peripheral.
+ * @note USART2 is available only for STM32F072 and STM32F091 devices.
+ * @note USART3 is available only for STM32F091 devices.
+ * @param USART_ReceiverTimeOut: specifies the Receiver Time Out value.
+ * @retval None
+ */
+void USART_SetReceiverTimeOut(USART_TypeDef* USARTx, uint32_t USART_ReceiverTimeOut)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_123_PERIPH(USARTx));
+ assert_param(IS_USART_TIMEOUT(USART_ReceiverTimeOut));
+
+ /* Clear the receiver Time Out value by clearing the RTO[23:0] bits in the RTOR
+ register */
+ USARTx->RTOR &= (uint32_t)~((uint32_t)USART_RTOR_RTO);
+ /* Set the receiver Time Out value by setting the RTO[23:0] bits in the RTOR
+ register */
+ USARTx->RTOR |= USART_ReceiverTimeOut;
+}
+
+/**
+ * @brief Sets the system clock prescaler.
+ * @note This function is not available for STM32F030 devices.
+ * @param USARTx: where x can be 1, 2 or 3 to select the USART peripheral.
+ * @note USART2 is available only for STM32F072 and STM32F091 devices.
+ * @note USART3 is available only for STM32F091 devices.
+ * @param USART_Prescaler: specifies the prescaler clock.
+ * @note This function has to be called before calling USART_Cmd() function.
+ * @retval None
+ */
+void USART_SetPrescaler(USART_TypeDef* USARTx, uint8_t USART_Prescaler)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_123_PERIPH(USARTx));
+
+ /* Clear the USART prescaler */
+ USARTx->GTPR &= USART_GTPR_GT;
+ /* Set the USART prescaler */
+ USARTx->GTPR |= USART_Prescaler;
+}
+
+/**
+ * @}
+ */
+
+
+/** @defgroup USART_Group2 STOP Mode functions
+ * @brief STOP Mode functions
+ *
+@verbatim
+ ===============================================================================
+ ##### STOP Mode functions #####
+ ===============================================================================
+ [..] This subsection provides a set of functions allowing to manage
+ WakeUp from STOP mode.
+
+ [..] The USART is able to WakeUp from Stop Mode if USART clock is set to HSI
+ or LSI.
+
+ [..] The WakeUp source is configured by calling USART_StopModeWakeUpSourceConfig()
+ function.
+
+ [..] After configuring the source of WakeUp and before entering in Stop Mode
+ USART_STOPModeCmd() function should be called to allow USART WakeUp.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the specified USART peripheral in STOP Mode.
+ * @param USARTx: where x can be 1 or 2 or 3 to select the USART peripheral.
+ * @note USART2 is available only for STM32F072 and STM32F091 devices.
+ * @note USART3 is available only for STM32F091 devices.
+ * @param NewState: new state of the USARTx peripheral state in stop mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @note This function has to be called when USART clock is set to HSI or LSE.
+ * @retval None
+ */
+void USART_STOPModeCmd(USART_TypeDef* USARTx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_123_PERIPH(USARTx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected USART in STOP mode by setting the UESM bit in the CR1
+ register */
+ USARTx->CR1 |= USART_CR1_UESM;
+ }
+ else
+ {
+ /* Disable the selected USART in STOP mode by clearing the UE bit in the CR1
+ register */
+ USARTx->CR1 &= (uint32_t)~((uint32_t)USART_CR1_UESM);
+ }
+}
+
+/**
+ * @brief Selects the USART WakeUp method form stop mode.
+ * @note This function is not available for STM32F030 devices.
+ * @param USARTx: where x can be 1 or 2 or 3 to select the USART peripheral.
+ * @note USART2 is available only for STM32F072 and STM32F091 devices.
+ * @note USART3 is available only for STM32F091 devices.
+ * @param USART_WakeUp: specifies the selected USART wakeup method.
+ * This parameter can be one of the following values:
+ * @arg USART_WakeUpSource_AddressMatch: WUF active on address match.
+ * @arg USART_WakeUpSource_StartBit: WUF active on Start bit detection.
+ * @arg USART_WakeUpSource_RXNE: WUF active on RXNE.
+ * @note This function has to be called before calling USART_Cmd() function.
+ * @retval None
+ */
+void USART_StopModeWakeUpSourceConfig(USART_TypeDef* USARTx, uint32_t USART_WakeUpSource)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_123_PERIPH(USARTx));
+ assert_param(IS_USART_STOPMODE_WAKEUPSOURCE(USART_WakeUpSource));
+
+ USARTx->CR3 &= (uint32_t)~((uint32_t)USART_CR3_WUS);
+ USARTx->CR3 |= USART_WakeUpSource;
+}
+
+/**
+ * @}
+ */
+
+
+/** @defgroup USART_Group3 AutoBaudRate functions
+ * @brief AutoBaudRate functions
+ *
+@verbatim
+ ===============================================================================
+ ##### AutoBaudRate functions #####
+ ===============================================================================
+ [..] This subsection provides a set of functions allowing to manage
+ the AutoBaudRate detections.
+
+ [..] Before Enabling AutoBaudRate detection using USART_AutoBaudRateCmd ()
+ The character patterns used to calculate baudrate must be chosen by calling
+ USART_AutoBaudRateConfig() function. These function take as parameter :
+ (#)USART_AutoBaudRate_StartBit : any character starting with a bit 1.
+ (#)USART_AutoBaudRate_FallingEdge : any character starting with a 10xx bit pattern.
+
+ [..] At any later time, another request for AutoBaudRate detection can be performed
+ using USART_RequestCmd() function.
+
+ [..] The AutoBaudRate detection is monitored by the status of ABRF flag which indicate
+ that the AutoBaudRate detection is completed. In addition to ABRF flag, the ABRE flag
+ indicate that this procedure is completed without success. USART_GetFlagStatus ()
+ function should be used to monitor the status of these flags.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the Auto Baud Rate.
+ * @param USARTx: where x can be 1or 2 to select the USART peripheral.
+ * @note USART2 is available only for STM32F072 and STM32F091 devices.
+ * @note USART3 is available only for STM32F091 devices.
+ * @param NewState: new state of the USARTx auto baud rate.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void USART_AutoBaudRateCmd(USART_TypeDef* USARTx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_123_PERIPH(USARTx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the auto baud rate feature by setting the ABREN bit in the CR2
+ register */
+ USARTx->CR2 |= USART_CR2_ABREN;
+ }
+ else
+ {
+ /* Disable the auto baud rate feature by clearing the ABREN bit in the CR2
+ register */
+ USARTx->CR2 &= (uint32_t)~((uint32_t)USART_CR2_ABREN);
+ }
+}
+
+/**
+ * @brief Selects the USART auto baud rate method.
+ * @param USARTx: where x can be 1or 2 to select the USART peripheral.
+ * @note USART2 is available only for STM32F072 and STM32F091 devices.
+ * @note USART3 is available only for STM32F091 devices.
+ * @param USART_AutoBaudRate: specifies the selected USART auto baud rate method.
+ * This parameter can be one of the following values:
+ * @arg USART_AutoBaudRate_StartBit: Start Bit duration measurement.
+ * @arg USART_AutoBaudRate_FallingEdge: Falling edge to falling edge measurement.
+ * @note This function has to be called before calling USART_Cmd() function.
+ * @retval None
+ */
+void USART_AutoBaudRateConfig(USART_TypeDef* USARTx, uint32_t USART_AutoBaudRate)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_123_PERIPH(USARTx));
+ assert_param(IS_USART_AUTOBAUDRATE_MODE(USART_AutoBaudRate));
+
+ USARTx->CR2 &= (uint32_t)~((uint32_t)USART_CR2_ABRMODE);
+ USARTx->CR2 |= USART_AutoBaudRate;
+}
+
+/**
+ * @}
+ */
+
+
+/** @defgroup USART_Group4 Data transfers functions
+ * @brief Data transfers functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Data transfers functions #####
+ ===============================================================================
+ [..] This subsection provides a set of functions allowing to manage
+ the USART data transfers.
+ [..] During an USART reception, data shifts in least significant bit first
+ through the RX pin. When a transmission is taking place, a write instruction to
+ the USART_TDR register stores the data in the shift register.
+ [..] The read access of the USART_RDR register can be done using
+ the USART_ReceiveData() function and returns the RDR value.
+ Whereas a write access to the USART_TDR can be done using USART_SendData()
+ function and stores the written data into TDR.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Transmits single data through the USARTx peripheral.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param Data: the data to transmit.
+ * @retval None
+ */
+void USART_SendData(USART_TypeDef* USARTx, uint16_t Data)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_USART_DATA(Data));
+
+ /* Transmit Data */
+ USARTx->TDR = (Data & (uint16_t)0x01FF);
+}
+
+/**
+ * @brief Returns the most recent received data by the USARTx peripheral.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @retval The received data.
+ */
+uint16_t USART_ReceiveData(USART_TypeDef* USARTx)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+
+ /* Receive Data */
+ return (uint16_t)(USARTx->RDR & (uint16_t)0x01FF);
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup USART_Group5 MultiProcessor Communication functions
+ * @brief Multi-Processor Communication functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Multi-Processor Communication functions #####
+ ===============================================================================
+ [..] This subsection provides a set of functions allowing to manage the USART
+ multiprocessor communication.
+ [..] For instance one of the USARTs can be the master, its TX output is
+ connected to the RX input of the other USART. The others are slaves,
+ their respective TX outputs are logically ANDed together and connected
+ to the RX input of the master. USART multiprocessor communication is
+ possible through the following procedure:
+ (#) Program the Baud rate, Word length = 9 bits, Stop bits, Parity,
+ Mode transmitter or Mode receiver and hardware flow control values
+ using the USART_Init() function.
+ (#) Configures the USART address using the USART_SetAddress() function.
+ (#) Configures the wake up methode (USART_WakeUp_IdleLine or
+ USART_WakeUp_AddressMark) using USART_WakeUpConfig() function only
+ for the slaves.
+ (#) Enable the USART using the USART_Cmd() function.
+ (#) Enter the USART slaves in mute mode using USART_ReceiverWakeUpCmd()
+ function.
+ [..] The USART Slave exit from mute mode when receive the wake up condition.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Sets the address of the USART node.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param USART_Address: Indicates the address of the USART node.
+ * @retval None
+ */
+void USART_SetAddress(USART_TypeDef* USARTx, uint8_t USART_Address)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+
+ /* Clear the USART address */
+ USARTx->CR2 &= (uint32_t)~((uint32_t)USART_CR2_ADD);
+ /* Set the USART address node */
+ USARTx->CR2 |=((uint32_t)USART_Address << (uint32_t)0x18);
+}
+
+/**
+ * @brief Enables or disables the USART's mute mode.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param NewState: new state of the USART mute mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void USART_MuteModeCmd(USART_TypeDef* USARTx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the USART mute mode by setting the MME bit in the CR1 register */
+ USARTx->CR1 |= USART_CR1_MME;
+ }
+ else
+ {
+ /* Disable the USART mute mode by clearing the MME bit in the CR1 register */
+ USARTx->CR1 &= (uint32_t)~((uint32_t)USART_CR1_MME);
+ }
+}
+
+/**
+ * @brief Selects the USART WakeUp method from mute mode.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param USART_WakeUp: specifies the USART wakeup method.
+ * This parameter can be one of the following values:
+ * @arg USART_WakeUp_IdleLine: WakeUp by an idle line detection
+ * @arg USART_WakeUp_AddressMark: WakeUp by an address mark
+ * @retval None
+ */
+void USART_MuteModeWakeUpConfig(USART_TypeDef* USARTx, uint32_t USART_WakeUp)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_USART_MUTEMODE_WAKEUP(USART_WakeUp));
+
+ USARTx->CR1 &= (uint32_t)~((uint32_t)USART_CR1_WAKE);
+ USARTx->CR1 |= USART_WakeUp;
+}
+
+/**
+ * @brief Configure the the USART Address detection length.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param USART_AddressLength: specifies the USART address length detection.
+ * This parameter can be one of the following values:
+ * @arg USART_AddressLength_4b: 4-bit address length detection
+ * @arg USART_AddressLength_7b: 7-bit address length detection
+ * @retval None
+ */
+void USART_AddressDetectionConfig(USART_TypeDef* USARTx, uint32_t USART_AddressLength)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_USART_ADDRESS_DETECTION(USART_AddressLength));
+
+ USARTx->CR2 &= (uint32_t)~((uint32_t)USART_CR2_ADDM7);
+ USARTx->CR2 |= USART_AddressLength;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup USART_Group6 LIN mode functions
+ * @brief LIN mode functions
+ *
+@verbatim
+ ===============================================================================
+ ##### LIN mode functions #####
+ ===============================================================================
+ [..] This subsection provides a set of functions allowing to manage the USART
+ LIN Mode communication.
+ [..] In LIN mode, 8-bit data format with 1 stop bit is required in accordance
+ with the LIN standard.
+ [..] Only this LIN Feature is supported by the USART IP:
+ (+) LIN Master Synchronous Break send capability and LIN slave break
+ detection capability : 13-bit break generation and 10/11 bit break
+ detection.
+ [..] USART LIN Master transmitter communication is possible through the
+ following procedure:
+ (#) Program the Baud rate, Word length = 8bits, Stop bits = 1bit, Parity,
+ Mode transmitter or Mode receiver and hardware flow control values
+ using the USART_Init() function.
+ (#) Enable the LIN mode using the USART_LINCmd() function.
+ (#) Enable the USART using the USART_Cmd() function.
+ (#) Send the break character using USART_SendBreak() function.
+ [..] USART LIN Master receiver communication is possible through the
+ following procedure:
+ (#) Program the Baud rate, Word length = 8bits, Stop bits = 1bit, Parity,
+ Mode transmitter or Mode receiver and hardware flow control values
+ using the USART_Init() function.
+ (#) Configures the break detection length
+ using the USART_LINBreakDetectLengthConfig() function.
+ (#) Enable the LIN mode using the USART_LINCmd() function.
+ -@- In LIN mode, the following bits must be kept cleared:
+ (+@) CLKEN in the USART_CR2 register.
+ (+@) STOP[1:0], SCEN, HDSEL and IREN in the USART_CR3 register.
+ (#) Enable the USART using the USART_Cmd() function.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Sets the USART LIN Break detection length.
+ * @note This function is not available for STM32F030 devices.
+ * @param USARTx: where x can be 1or 2 to select the USART peripheral.
+ * @note USART2 is available only for STM32F072 and STM32F091 devices.
+ * @note USART3 is available only for STM32F091 devices.
+ * @param USART_LINBreakDetectLength: specifies the LIN break detection length.
+ * This parameter can be one of the following values:
+ * @arg USART_LINBreakDetectLength_10b: 10-bit break detection
+ * @arg USART_LINBreakDetectLength_11b: 11-bit break detection
+ * @retval None
+ */
+void USART_LINBreakDetectLengthConfig(USART_TypeDef* USARTx, uint32_t USART_LINBreakDetectLength)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_123_PERIPH(USARTx));
+ assert_param(IS_USART_LIN_BREAK_DETECT_LENGTH(USART_LINBreakDetectLength));
+
+ USARTx->CR2 &= (uint32_t)~((uint32_t)USART_CR2_LBDL);
+ USARTx->CR2 |= USART_LINBreakDetectLength;
+}
+
+/**
+ * @brief Enables or disables the USART's LIN mode.
+ * @note This function is not available for STM32F030 devices.
+ * @param USARTx: where x can be 1or 2 to select the USART peripheral.
+ * @note USART2 is available only for STM32F072 and STM32F091 devices.
+ * @note USART3 is available only for STM32F091 devices.
+ * @param NewState: new state of the USART LIN mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void USART_LINCmd(USART_TypeDef* USARTx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_123_PERIPH(USARTx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the LIN mode by setting the LINEN bit in the CR2 register */
+ USARTx->CR2 |= USART_CR2_LINEN;
+ }
+ else
+ {
+ /* Disable the LIN mode by clearing the LINEN bit in the CR2 register */
+ USARTx->CR2 &= (uint32_t)~((uint32_t)USART_CR2_LINEN);
+ }
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup USART_Group7 Halfduplex mode function
+ * @brief Half-duplex mode function
+ *
+@verbatim
+ ===============================================================================
+ ##### Half-duplex mode function #####
+ ===============================================================================
+ [..] This subsection provides a set of functions allowing to manage the USART
+ Half-duplex communication.
+ [..] The USART can be configured to follow a single-wire half-duplex protocol
+ where the TX and RX lines are internally connected.
+ [..] USART Half duplex communication is possible through the following procedure:
+ (#) Program the Baud rate, Word length, Stop bits, Parity, Mode transmitter
+ or Mode receiver and hardware flow control values using the USART_Init()
+ function.
+ (#) Configures the USART address using the USART_SetAddress() function.
+ (#) Enable the half duplex mode using USART_HalfDuplexCmd() function.
+ (#) Enable the USART using the USART_Cmd() function.
+ -@- The RX pin is no longer used.
+ -@- In Half-duplex mode the following bits must be kept cleared:
+ (+@) LINEN and CLKEN bits in the USART_CR2 register.
+ (+@) SCEN and IREN bits in the USART_CR3 register.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the USART's Half Duplex communication.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param NewState: new state of the USART Communication.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void USART_HalfDuplexCmd(USART_TypeDef* USARTx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the Half-Duplex mode by setting the HDSEL bit in the CR3 register */
+ USARTx->CR3 |= USART_CR3_HDSEL;
+ }
+ else
+ {
+ /* Disable the Half-Duplex mode by clearing the HDSEL bit in the CR3 register */
+ USARTx->CR3 &= (uint32_t)~((uint32_t)USART_CR3_HDSEL);
+ }
+}
+
+/**
+ * @}
+ */
+
+
+/** @defgroup USART_Group8 Smartcard mode functions
+ * @brief Smartcard mode functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Smartcard mode functions #####
+ ===============================================================================
+ [..] This subsection provides a set of functions allowing to manage the USART
+ Smartcard communication.
+ [..] The Smartcard interface is designed to support asynchronous protocol
+ Smartcards as defined in the ISO 7816-3 standard. The USART can provide
+ a clock to the smartcard through the SCLK output. In smartcard mode,
+ SCLK is not associated to the communication but is simply derived from
+ the internal peripheral input clock through a 5-bit prescaler.
+ [..] Smartcard communication is possible through the following procedure:
+ (#) Configures the Smartcard Prsecaler using the USART_SetPrescaler()
+ function.
+ (#) Configures the Smartcard Guard Time using the USART_SetGuardTime()
+ function.
+ (#) Program the USART clock using the USART_ClockInit() function as following:
+ (++) USART Clock enabled.
+ (++) USART CPOL Low.
+ (++) USART CPHA on first edge.
+ (++) USART Last Bit Clock Enabled.
+ (#) Program the Smartcard interface using the USART_Init() function as
+ following:
+ (++) Word Length = 9 Bits.
+ (++) 1.5 Stop Bit.
+ (++) Even parity.
+ (++) BaudRate = 12096 baud.
+ (++) Hardware flow control disabled (RTS and CTS signals).
+ (++) Tx and Rx enabled
+ (#) Optionally you can enable the parity error interrupt using
+ the USART_ITConfig() function.
+ (#) Enable the Smartcard NACK using the USART_SmartCardNACKCmd() function.
+ (#) Enable the Smartcard interface using the USART_SmartCardCmd() function.
+ (#) Enable the USART using the USART_Cmd() function.
+ [..]
+ Please refer to the ISO 7816-3 specification for more details.
+ [..]
+ (@) It is also possible to choose 0.5 stop bit for receiving but it is
+ recommended to use 1.5 stop bits for both transmitting and receiving
+ to avoid switching between the two configurations.
+ (@) In smartcard mode, the following bits must be kept cleared:
+ (+@) LINEN bit in the USART_CR2 register.
+ (+@) HDSEL and IREN bits in the USART_CR3 register.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Sets the specified USART guard time.
+ * @note This function is not available for STM32F030 devices.
+ * @param USARTx: where x can be 1or 2 to select the USART peripheral.
+ * @note USART2 is available only for STM32F072 and STM32F091 devices.
+ * @note USART3 is available only for STM32F091 devices.
+ * @param USART_GuardTime: specifies the guard time.
+ * @retval None
+ */
+void USART_SetGuardTime(USART_TypeDef* USARTx, uint8_t USART_GuardTime)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_123_PERIPH(USARTx));
+
+ /* Clear the USART Guard time */
+ USARTx->GTPR &= USART_GTPR_PSC;
+ /* Set the USART guard time */
+ USARTx->GTPR |= (uint16_t)((uint16_t)USART_GuardTime << 0x08);
+}
+
+/**
+ * @brief Enables or disables the USART's Smart Card mode.
+ * @note This function is not available for STM32F030 devices.
+ * @param USARTx: where x can be 1or 2 to select the USART peripheral.
+ * @note USART2 is available only for STM32F072 and STM32F091 devices.
+ * @note USART3 is available only for STM32F091 devices.
+ * @param NewState: new state of the Smart Card mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void USART_SmartCardCmd(USART_TypeDef* USARTx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_123_PERIPH(USARTx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+ if (NewState != DISABLE)
+ {
+ /* Enable the SC mode by setting the SCEN bit in the CR3 register */
+ USARTx->CR3 |= USART_CR3_SCEN;
+ }
+ else
+ {
+ /* Disable the SC mode by clearing the SCEN bit in the CR3 register */
+ USARTx->CR3 &= (uint32_t)~((uint32_t)USART_CR3_SCEN);
+ }
+}
+
+/**
+ * @brief Enables or disables NACK transmission.
+ * @note This function is not available for STM32F030 devices.
+ * @param USARTx: where x can be 1or 2 to select the USART peripheral.
+ * @note USART2 is available only for STM32F072 and STM32F091 devices.
+ * @note USART3 is available only for STM32F091 devices.
+ * @param NewState: new state of the NACK transmission.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void USART_SmartCardNACKCmd(USART_TypeDef* USARTx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_123_PERIPH(USARTx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+ if (NewState != DISABLE)
+ {
+ /* Enable the NACK transmission by setting the NACK bit in the CR3 register */
+ USARTx->CR3 |= USART_CR3_NACK;
+ }
+ else
+ {
+ /* Disable the NACK transmission by clearing the NACK bit in the CR3 register */
+ USARTx->CR3 &= (uint32_t)~((uint32_t)USART_CR3_NACK);
+ }
+}
+
+/**
+ * @brief Sets the Smart Card number of retries in transmit and receive.
+ * @note This function is not available for STM32F030 devices.
+ * @param USARTx: where x can be 1or 3 to select the USART peripheral.
+ * @note USART2 is available only for STM32F072 and STM32F091 devices.
+ * @note USART3 is available only for STM32F091 devices.
+ * @param USART_AutoCount: specifies the Smart Card auto retry count.
+ * @retval None
+ */
+void USART_SetAutoRetryCount(USART_TypeDef* USARTx, uint8_t USART_AutoCount)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_123_PERIPH(USARTx));
+ assert_param(IS_USART_AUTO_RETRY_COUNTER(USART_AutoCount));
+ /* Clear the USART auto retry count */
+ USARTx->CR3 &= (uint32_t)~((uint32_t)USART_CR3_SCARCNT);
+ /* Set the USART auto retry count*/
+ USARTx->CR3 |= (uint32_t)((uint32_t)USART_AutoCount << 0x11);
+}
+
+/**
+ * @brief Sets the Smart Card Block length.
+ * @note This function is not available for STM32F030 devices.
+ * @param USARTx: where x can be 1or 3 to select the USART peripheral.
+ * @note USART2 is available only for STM32F072 and STM32F091 devices.
+ * @note USART3 is available only for STM32F091 devices.
+ * @param USART_BlockLength: specifies the Smart Card block length.
+ * @retval None
+ */
+void USART_SetBlockLength(USART_TypeDef* USARTx, uint8_t USART_BlockLength)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_123_PERIPH(USARTx));
+
+ /* Clear the Smart card block length */
+ USARTx->RTOR &= (uint32_t)~((uint32_t)USART_RTOR_BLEN);
+ /* Set the Smart Card block length */
+ USARTx->RTOR |= (uint32_t)((uint32_t)USART_BlockLength << 0x18);
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup USART_Group9 IrDA mode functions
+ * @brief IrDA mode functions
+ *
+@verbatim
+ ===============================================================================
+ ##### IrDA mode functions #####
+ ===============================================================================
+ [..] This subsection provides a set of functions allowing to manage the USART
+ IrDA communication.
+ [..] IrDA is a half duplex communication protocol. If the Transmitter is busy,
+ any data on the IrDA receive line will be ignored by the IrDA decoder
+ and if the Receiver is busy, data on the TX from the USART to IrDA will
+ not be encoded by IrDA. While receiving data, transmission should be
+ avoided as the data to be transmitted could be corrupted.
+ [..] IrDA communication is possible through the following procedure:
+ (#) Program the Baud rate, Word length = 8 bits, Stop bits, Parity,
+ Transmitter/Receiver modes and hardware flow control values using
+ the USART_Init() function.
+ (#) Configures the IrDA pulse width by configuring the prescaler using
+ the USART_SetPrescaler() function.
+ (#) Configures the IrDA USART_IrDAMode_LowPower or USART_IrDAMode_Normal
+ mode using the USART_IrDAConfig() function.
+ (#) Enable the IrDA using the USART_IrDACmd() function.
+ (#) Enable the USART using the USART_Cmd() function.
+ [..]
+ (@) A pulse of width less than two and greater than one PSC period(s) may or
+ may not be rejected.
+ (@) The receiver set up time should be managed by software. The IrDA physical
+ layer specification specifies a minimum of 10 ms delay between
+ transmission and reception (IrDA is a half duplex protocol).
+ (@) In IrDA mode, the following bits must be kept cleared:
+ (+@) LINEN, STOP and CLKEN bits in the USART_CR2 register.
+ (+@) SCEN and HDSEL bits in the USART_CR3 register.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Configures the USART's IrDA interface.
+ * @note This function is not available for STM32F030 devices.
+ * @param USARTx: where x can be 1or 2 to select the USART peripheral.
+ * @note USART2 is available only for STM32F072 and STM32F091 devices.
+ * @note USART3 is available only for STM32F091 devices.
+ * @param USART_IrDAMode: specifies the IrDA mode.
+ * This parameter can be one of the following values:
+ * @arg USART_IrDAMode_LowPower
+ * @arg USART_IrDAMode_Normal
+ * @retval None
+ */
+void USART_IrDAConfig(USART_TypeDef* USARTx, uint32_t USART_IrDAMode)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_123_PERIPH(USARTx));
+ assert_param(IS_USART_IRDA_MODE(USART_IrDAMode));
+
+ USARTx->CR3 &= (uint32_t)~((uint32_t)USART_CR3_IRLP);
+ USARTx->CR3 |= USART_IrDAMode;
+}
+
+/**
+ * @brief Enables or disables the USART's IrDA interface.
+ * @note This function is not available for STM32F030 devices.
+ * @param USARTx: where x can be 1or 2 to select the USART peripheral.
+ * @note USART2 is available only for STM32F072 and STM32F091 devices.
+ * @note USART3 is available only for STM32F091 devices.
+ * @param NewState: new state of the IrDA mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void USART_IrDACmd(USART_TypeDef* USARTx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_123_PERIPH(USARTx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the IrDA mode by setting the IREN bit in the CR3 register */
+ USARTx->CR3 |= USART_CR3_IREN;
+ }
+ else
+ {
+ /* Disable the IrDA mode by clearing the IREN bit in the CR3 register */
+ USARTx->CR3 &= (uint32_t)~((uint32_t)USART_CR3_IREN);
+ }
+}
+/**
+ * @}
+ */
+
+/** @defgroup USART_Group10 RS485 mode function
+ * @brief RS485 mode function
+ *
+@verbatim
+ ===============================================================================
+ ##### RS485 mode functions #####
+ ===============================================================================
+ [..] This subsection provides a set of functions allowing to manage the USART
+ RS485 flow control.
+ [..] RS485 flow control (Driver enable feature) handling is possible through
+ the following procedure:
+ (#) Program the Baud rate, Word length = 8 bits, Stop bits, Parity,
+ Transmitter/Receiver modes and hardware flow control values using
+ the USART_Init() function.
+ (#) Enable the Driver Enable using the USART_DECmd() function.
+ (#) Configures the Driver Enable polarity using the USART_DEPolarityConfig()
+ function.
+ (#) Configures the Driver Enable assertion time using USART_SetDEAssertionTime()
+ function and deassertion time using the USART_SetDEDeassertionTime()
+ function.
+ (#) Enable the USART using the USART_Cmd() function.
+ -@-
+ (+@) The assertion and dessertion times are expressed in sample time units (1/8 or
+ 1/16 bit time, depending on the oversampling rate).
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the USART's DE functionality.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param NewState: new state of the driver enable mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void USART_DECmd(USART_TypeDef* USARTx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+ if (NewState != DISABLE)
+ {
+ /* Enable the DE functionality by setting the DEM bit in the CR3 register */
+ USARTx->CR3 |= USART_CR3_DEM;
+ }
+ else
+ {
+ /* Disable the DE functionality by clearing the DEM bit in the CR3 register */
+ USARTx->CR3 &= (uint32_t)~((uint32_t)USART_CR3_DEM);
+ }
+}
+
+/**
+ * @brief Configures the USART's DE polarity
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param USART_DEPolarity: specifies the DE polarity.
+ * This parameter can be one of the following values:
+ * @arg USART_DEPolarity_Low
+ * @arg USART_DEPolarity_High
+ * @retval None
+ */
+void USART_DEPolarityConfig(USART_TypeDef* USARTx, uint32_t USART_DEPolarity)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_USART_DE_POLARITY(USART_DEPolarity));
+
+ USARTx->CR3 &= (uint32_t)~((uint32_t)USART_CR3_DEP);
+ USARTx->CR3 |= USART_DEPolarity;
+}
+
+/**
+ * @brief Sets the specified RS485 DE assertion time
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param USART_DEAssertionTime: specifies the time between the activation of
+ * the DE signal and the beginning of the start bit
+ * @retval None
+ */
+void USART_SetDEAssertionTime(USART_TypeDef* USARTx, uint32_t USART_DEAssertionTime)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_USART_DE_ASSERTION_DEASSERTION_TIME(USART_DEAssertionTime));
+
+ /* Clear the DE assertion time */
+ USARTx->CR1 &= (uint32_t)~((uint32_t)USART_CR1_DEAT);
+ /* Set the new value for the DE assertion time */
+ USARTx->CR1 |=((uint32_t)USART_DEAssertionTime << (uint32_t)0x15);
+}
+
+/**
+ * @brief Sets the specified RS485 DE deassertion time
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param USART_DeassertionTime: specifies the time between the middle of the last
+ * stop bit in a transmitted message and the de-activation of the DE signal
+ * @retval None
+ */
+void USART_SetDEDeassertionTime(USART_TypeDef* USARTx, uint32_t USART_DEDeassertionTime)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_USART_DE_ASSERTION_DEASSERTION_TIME(USART_DEDeassertionTime));
+
+ /* Clear the DE deassertion time */
+ USARTx->CR1 &= (uint32_t)~((uint32_t)USART_CR1_DEDT);
+ /* Set the new value for the DE deassertion time */
+ USARTx->CR1 |=((uint32_t)USART_DEDeassertionTime << (uint32_t)0x10);
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup USART_Group11 DMA transfers management functions
+ * @brief DMA transfers management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### DMA transfers management functions #####
+ ===============================================================================
+ [..] This section provides two functions that can be used only in DMA mode.
+ [..] In DMA Mode, the USART communication can be managed by 2 DMA Channel
+ requests:
+ (#) USART_DMAReq_Tx: specifies the Tx buffer DMA transfer request.
+ (#) USART_DMAReq_Rx: specifies the Rx buffer DMA transfer request.
+ [..] In this Mode it is advised to use the following function:
+ (+) void USART_DMACmd(USART_TypeDef* USARTx, uint16_t USART_DMAReq,
+ FunctionalState NewState).
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the USART's DMA interface.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param USART_DMAReq: specifies the DMA request.
+ * This parameter can be any combination of the following values:
+ * @arg USART_DMAReq_Tx: USART DMA transmit request
+ * @arg USART_DMAReq_Rx: USART DMA receive request
+ * @param NewState: new state of the DMA Request sources.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void USART_DMACmd(USART_TypeDef* USARTx, uint32_t USART_DMAReq, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_USART_DMAREQ(USART_DMAReq));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the DMA transfer for selected requests by setting the DMAT and/or
+ DMAR bits in the USART CR3 register */
+ USARTx->CR3 |= USART_DMAReq;
+ }
+ else
+ {
+ /* Disable the DMA transfer for selected requests by clearing the DMAT and/or
+ DMAR bits in the USART CR3 register */
+ USARTx->CR3 &= (uint32_t)~USART_DMAReq;
+ }
+}
+
+/**
+ * @brief Enables or disables the USART's DMA interface when reception error occurs.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param USART_DMAOnError: specifies the DMA status in case of reception error.
+ * This parameter can be any combination of the following values:
+ * @arg USART_DMAOnError_Enable: DMA receive request enabled when the USART DMA
+ * reception error is asserted.
+ * @arg USART_DMAOnError_Disable: DMA receive request disabled when the USART DMA
+ * reception error is asserted.
+ * @retval None
+ */
+void USART_DMAReceptionErrorConfig(USART_TypeDef* USARTx, uint32_t USART_DMAOnError)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_USART_DMAONERROR(USART_DMAOnError));
+
+ /* Clear the DMA Reception error detection bit */
+ USARTx->CR3 &= (uint32_t)~((uint32_t)USART_CR3_DDRE);
+ /* Set the new value for the DMA Reception error detection bit */
+ USARTx->CR3 |= USART_DMAOnError;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup USART_Group12 Interrupts and flags management functions
+ * @brief Interrupts and flags management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Interrupts and flags management functions #####
+ ===============================================================================
+ [..] This subsection provides a set of functions allowing to configure the
+ USART Interrupts sources, Requests and check or clear the flags or pending bits status.
+ The user should identify which mode will be used in his application to
+ manage the communication: Polling mode, Interrupt mode.
+
+ *** Polling Mode ***
+ ====================
+ [..] In Polling Mode, the SPI communication can be managed by these flags:
+ (#) USART_FLAG_REACK: to indicate the status of the Receive Enable
+ acknowledge flag
+ (#) USART_FLAG_TEACK: to indicate the status of the Transmit Enable
+ acknowledge flag.
+ (#) USART_FLAG_WU: to indicate the status of the Wake up flag.
+ (#) USART_FLAG_RWU: to indicate the status of the Receive Wake up flag.
+ (#) USART_FLAG_SBK: to indicate the status of the Send Break flag.
+ (#) USART_FLAG_CM: to indicate the status of the Character match flag.
+ (#) USART_FLAG_BUSY: to indicate the status of the Busy flag.
+ (#) USART_FLAG_ABRF: to indicate the status of the Auto baud rate flag.
+ (#) USART_FLAG_ABRE: to indicate the status of the Auto baud rate error flag.
+ (#) USART_FLAG_EOB: to indicate the status of the End of block flag.
+ (#) USART_FLAG_RTO: to indicate the status of the Receive time out flag.
+ (#) USART_FLAG_nCTSS: to indicate the status of the Inverted nCTS input
+ bit status.
+ (#) USART_FLAG_TXE: to indicate the status of the transmit buffer register.
+ (#) USART_FLAG_RXNE: to indicate the status of the receive buffer register.
+ (#) USART_FLAG_TC: to indicate the status of the transmit operation.
+ (#) USART_FLAG_IDLE: to indicate the status of the Idle Line.
+ (#) USART_FLAG_CTS: to indicate the status of the nCTS input.
+ (#) USART_FLAG_LBD: to indicate the status of the LIN break detection.
+ (#) USART_FLAG_NE: to indicate if a noise error occur.
+ (#) USART_FLAG_FE: to indicate if a frame error occur.
+ (#) USART_FLAG_PE: to indicate if a parity error occur.
+ (#) USART_FLAG_ORE: to indicate if an Overrun error occur.
+ [..] In this Mode it is advised to use the following functions:
+ (+) FlagStatus USART_GetFlagStatus(USART_TypeDef* USARTx, uint16_t USART_FLAG).
+ (+) void USART_ClearFlag(USART_TypeDef* USARTx, uint16_t USART_FLAG).
+
+ *** Interrupt Mode ***
+ ======================
+ [..] In Interrupt Mode, the USART communication can be managed by 8 interrupt
+ sources and 10 pending bits:
+ (+) Pending Bits:
+ (##) USART_IT_WU: to indicate the status of the Wake up interrupt.
+ (##) USART_IT_CM: to indicate the status of Character match interrupt.
+ (##) USART_IT_EOB: to indicate the status of End of block interrupt.
+ (##) USART_IT_RTO: to indicate the status of Receive time out interrupt.
+ (##) USART_IT_CTS: to indicate the status of CTS change interrupt.
+ (##) USART_IT_LBD: to indicate the status of LIN Break detection interrupt.
+ (##) USART_IT_TC: to indicate the status of Transmission complete interrupt.
+ (##) USART_IT_IDLE: to indicate the status of IDLE line detected interrupt.
+ (##) USART_IT_ORE: to indicate the status of OverRun Error interrupt.
+ (##) USART_IT_NE: to indicate the status of Noise Error interrupt.
+ (##) USART_IT_FE: to indicate the status of Framing Error interrupt.
+ (##) USART_IT_PE: to indicate the status of Parity Error interrupt.
+
+ (+) Interrupt Source:
+ (##) USART_IT_WU: specifies the interrupt source for Wake up interrupt.
+ (##) USART_IT_CM: specifies the interrupt source for Character match
+ interrupt.
+ (##) USART_IT_EOB: specifies the interrupt source for End of block
+ interrupt.
+ (##) USART_IT_RTO: specifies the interrupt source for Receive time-out
+ interrupt.
+ (##) USART_IT_CTS: specifies the interrupt source for CTS change interrupt.
+ (##) USART_IT_LBD: specifies the interrupt source for LIN Break
+ detection interrupt.
+ (##) USART_IT_TXE: specifies the interrupt source for Tansmit Data
+ Register empty interrupt.
+ (##) USART_IT_TC: specifies the interrupt source for Transmission
+ complete interrupt.
+ (##) USART_IT_RXNE: specifies the interrupt source for Receive Data
+ register not empty interrupt.
+ (##) USART_IT_IDLE: specifies the interrupt source for Idle line
+ detection interrupt.
+ (##) USART_IT_PE: specifies the interrupt source for Parity Error interrupt.
+ (##) USART_IT_ERR: specifies the interrupt source for Error interrupt
+ (Frame error, noise error, overrun error)
+ -@@- Some parameters are coded in order to use them as interrupt
+ source or as pending bits.
+ [..] In this Mode it is advised to use the following functions:
+ (+) void USART_ITConfig(USART_TypeDef* USARTx, uint16_t USART_IT, FunctionalState NewState).
+ (+) ITStatus USART_GetITStatus(USART_TypeDef* USARTx, uint16_t USART_IT).
+ (+) void USART_ClearITPendingBit(USART_TypeDef* USARTx, uint16_t USART_IT).
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the specified USART interrupts.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param USART_IT: specifies the USART interrupt sources to be enabled or disabled.
+ * This parameter can be one of the following values:
+ * @arg USART_IT_WU: Wake up interrupt, not available for STM32F030 devices.
+ * @arg USART_IT_CM: Character match interrupt.
+ * @arg USART_IT_EOB: End of block interrupt, not available for STM32F030 devices.
+ * @arg USART_IT_RTO: Receive time out interrupt.
+ * @arg USART_IT_CTS: CTS change interrupt.
+ * @arg USART_IT_LBD: LIN Break detection interrupt, not available for STM32F030 devices.
+ * @arg USART_IT_TXE: Tansmit Data Register empty interrupt.
+ * @arg USART_IT_TC: Transmission complete interrupt.
+ * @arg USART_IT_RXNE: Receive Data register not empty interrupt.
+ * @arg USART_IT_IDLE: Idle line detection interrupt.
+ * @arg USART_IT_PE: Parity Error interrupt.
+ * @arg USART_IT_ERR: Error interrupt(Frame error, noise error, overrun error)
+ * @param NewState: new state of the specified USARTx interrupts.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void USART_ITConfig(USART_TypeDef* USARTx, uint32_t USART_IT, FunctionalState NewState)
+{
+ uint32_t usartreg = 0, itpos = 0, itmask = 0;
+ uint32_t usartxbase = 0;
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_USART_CONFIG_IT(USART_IT));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ usartxbase = (uint32_t)USARTx;
+
+ /* Get the USART register index */
+ usartreg = (((uint16_t)USART_IT) >> 0x08);
+
+ /* Get the interrupt position */
+ itpos = USART_IT & IT_MASK;
+ itmask = (((uint32_t)0x01) << itpos);
+
+ if (usartreg == 0x02) /* The IT is in CR2 register */
+ {
+ usartxbase += 0x04;
+ }
+ else if (usartreg == 0x03) /* The IT is in CR3 register */
+ {
+ usartxbase += 0x08;
+ }
+ else /* The IT is in CR1 register */
+ {
+ }
+ if (NewState != DISABLE)
+ {
+ *(__IO uint32_t*)usartxbase |= itmask;
+ }
+ else
+ {
+ *(__IO uint32_t*)usartxbase &= ~itmask;
+ }
+}
+
+/**
+ * @brief Enables the specified USART's Request.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param USART_Request: specifies the USART request.
+ * This parameter can be any combination of the following values:
+ * @arg USART_Request_TXFRQ: Transmit data flush ReQuest
+ * @arg USART_Request_RXFRQ: Receive data flush ReQuest
+ * @arg USART_Request_MMRQ: Mute Mode ReQuest
+ * @arg USART_Request_SBKRQ: Send Break ReQuest
+ * @arg USART_Request_ABRRQ: Auto Baud Rate ReQuest
+ * @param NewState: new state of the DMA interface when reception error occurs.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void USART_RequestCmd(USART_TypeDef* USARTx, uint32_t USART_Request, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_USART_REQUEST(USART_Request));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the USART ReQuest by setting the dedicated request bit in the RQR
+ register.*/
+ USARTx->RQR |= USART_Request;
+ }
+ else
+ {
+ /* Disable the USART ReQuest by clearing the dedicated request bit in the RQR
+ register.*/
+ USARTx->RQR &= (uint32_t)~USART_Request;
+ }
+}
+
+/**
+ * @brief Enables or disables the USART's Overrun detection.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param USART_OVRDetection: specifies the OVR detection status in case of OVR error.
+ * This parameter can be any combination of the following values:
+ * @arg USART_OVRDetection_Enable: OVR error detection enabled when
+ * the USART OVR error is asserted.
+ * @arg USART_OVRDetection_Disable: OVR error detection disabled when
+ * the USART OVR error is asserted.
+ * @retval None
+ */
+void USART_OverrunDetectionConfig(USART_TypeDef* USARTx, uint32_t USART_OVRDetection)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_USART_OVRDETECTION(USART_OVRDetection));
+
+ /* Clear the OVR detection bit */
+ USARTx->CR3 &= (uint32_t)~((uint32_t)USART_CR3_OVRDIS);
+ /* Set the new value for the OVR detection bit */
+ USARTx->CR3 |= USART_OVRDetection;
+}
+
+/**
+ * @brief Checks whether the specified USART flag is set or not.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param USART_FLAG: specifies the flag to check.
+ * This parameter can be one of the following values:
+ * @arg USART_FLAG_REACK: Receive Enable acknowledge flag.
+ * @arg USART_FLAG_TEACK: Transmit Enable acknowledge flag.
+ * @arg USART_FLAG_WU: Wake up flag, not available for STM32F030 devices.
+ * @arg USART_FLAG_RWU: Receive Wake up flag, not available for STM32F030 devices.
+ * @arg USART_FLAG_SBK: Send Break flag.
+ * @arg USART_FLAG_CM: Character match flag.
+ * @arg USART_FLAG_BUSY: Busy flag.
+ * @arg USART_FLAG_ABRF: Auto baud rate flag.
+ * @arg USART_FLAG_ABRE: Auto baud rate error flag.
+ * @arg USART_FLAG_EOB: End of block flag, not available for STM32F030 devices.
+ * @arg USART_FLAG_RTO: Receive time out flag.
+ * @arg USART_FLAG_nCTSS: Inverted nCTS input bit status.
+ * @arg USART_FLAG_CTS: CTS Change flag.
+ * @arg USART_FLAG_LBD: LIN Break detection flag, not available for STM32F030 devices.
+ * @arg USART_FLAG_TXE: Transmit data register empty flag.
+ * @arg USART_FLAG_TC: Transmission Complete flag.
+ * @arg USART_FLAG_RXNE: Receive data register not empty flag.
+ * @arg USART_FLAG_IDLE: Idle Line detection flag.
+ * @arg USART_FLAG_ORE: OverRun Error flag.
+ * @arg USART_FLAG_NE: Noise Error flag.
+ * @arg USART_FLAG_FE: Framing Error flag.
+ * @arg USART_FLAG_PE: Parity Error flag.
+ * @retval The new state of USART_FLAG (SET or RESET).
+ */
+FlagStatus USART_GetFlagStatus(USART_TypeDef* USARTx, uint32_t USART_FLAG)
+{
+ FlagStatus bitstatus = RESET;
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_USART_FLAG(USART_FLAG));
+
+ if ((USARTx->ISR & USART_FLAG) != (uint16_t)RESET)
+ {
+ bitstatus = SET;
+ }
+ else
+ {
+ bitstatus = RESET;
+ }
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the USARTx's pending flags.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param USART_FLAG: specifies the flag to clear.
+ * This parameter can be any combination of the following values:
+ * @arg USART_FLAG_WU: Wake up flag, not available for STM32F030 devices.
+ * @arg USART_FLAG_CM: Character match flag.
+ * @arg USART_FLAG_EOB: End of block flag, not available for STM32F030 devices.
+ * @arg USART_FLAG_RTO: Receive time out flag.
+ * @arg USART_FLAG_CTS: CTS Change flag.
+ * @arg USART_FLAG_LBD: LIN Break detection flag, not available for STM32F030 devices.
+ * @arg USART_FLAG_TC: Transmission Complete flag.
+ * @arg USART_FLAG_IDLE: IDLE line detected flag.
+ * @arg USART_FLAG_ORE: OverRun Error flag.
+ * @arg USART_FLAG_NE: Noise Error flag.
+ * @arg USART_FLAG_FE: Framing Error flag.
+ * @arg USART_FLAG_PE: Parity Errorflag.
+ *
+ * @note RXNE pending bit is cleared by a read to the USART_RDR register
+ * (USART_ReceiveData()) or by writing 1 to the RXFRQ in the register
+ * USART_RQR (USART_RequestCmd()).
+ * @note TC flag can be also cleared by software sequence: a read operation
+ * to USART_SR register (USART_GetFlagStatus()) followed by a write
+ * operation to USART_TDR register (USART_SendData()).
+ * @note TXE flag is cleared by a write to the USART_TDR register (USART_SendData())
+ * or by writing 1 to the TXFRQ in the register USART_RQR (USART_RequestCmd()).
+ * @note SBKF flag is cleared by 1 to the SBKRQ in the register USART_RQR
+ * (USART_RequestCmd()).
+ * @retval None
+ */
+void USART_ClearFlag(USART_TypeDef* USARTx, uint32_t USART_FLAG)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_USART_CLEAR_FLAG(USART_FLAG));
+
+ USARTx->ICR = USART_FLAG;
+}
+
+/**
+ * @brief Checks whether the specified USART interrupt has occurred or not.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param USART_IT: specifies the USART interrupt source to check.
+ * This parameter can be one of the following values:
+ * @arg USART_IT_WU: Wake up interrupt, not available for STM32F030 devices.
+ * @arg USART_IT_CM: Character match interrupt.
+ * @arg USART_IT_EOB: End of block interrupt, not available for STM32F030 devices.
+ * @arg USART_IT_RTO: Receive time out interrupt.
+ * @arg USART_IT_CTS: CTS change interrupt.
+ * @arg USART_IT_LBD: LIN Break detection interrupt, not available for STM32F030 devices.
+ * @arg USART_IT_TXE: Tansmit Data Register empty interrupt.
+ * @arg USART_IT_TC: Transmission complete interrupt.
+ * @arg USART_IT_RXNE: Receive Data register not empty interrupt.
+ * @arg USART_IT_IDLE: Idle line detection interrupt.
+ * @arg USART_IT_ORE: OverRun Error interrupt.
+ * @arg USART_IT_NE: Noise Error interrupt.
+ * @arg USART_IT_FE: Framing Error interrupt.
+ * @arg USART_IT_PE: Parity Error interrupt.
+ * @retval The new state of USART_IT (SET or RESET).
+ */
+ITStatus USART_GetITStatus(USART_TypeDef* USARTx, uint32_t USART_IT)
+{
+ uint32_t bitpos = 0, itmask = 0, usartreg = 0;
+ ITStatus bitstatus = RESET;
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_USART_GET_IT(USART_IT));
+
+ /* Get the USART register index */
+ usartreg = (((uint16_t)USART_IT) >> 0x08);
+ /* Get the interrupt position */
+ itmask = USART_IT & IT_MASK;
+ itmask = (uint32_t)0x01 << itmask;
+
+ if (usartreg == 0x01) /* The IT is in CR1 register */
+ {
+ itmask &= USARTx->CR1;
+ }
+ else if (usartreg == 0x02) /* The IT is in CR2 register */
+ {
+ itmask &= USARTx->CR2;
+ }
+ else /* The IT is in CR3 register */
+ {
+ itmask &= USARTx->CR3;
+ }
+
+ bitpos = USART_IT >> 0x10;
+ bitpos = (uint32_t)0x01 << bitpos;
+ bitpos &= USARTx->ISR;
+ if ((itmask != (uint16_t)RESET)&&(bitpos != (uint16_t)RESET))
+ {
+ bitstatus = SET;
+ }
+ else
+ {
+ bitstatus = RESET;
+ }
+
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the USARTx's interrupt pending bits.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param USART_IT: specifies the interrupt pending bit to clear.
+ * This parameter can be one of the following values:
+ * @arg USART_IT_WU: Wake up interrupt, not available for STM32F030 devices.
+ * @arg USART_IT_CM: Character match interrupt.
+ * @arg USART_IT_EOB: End of block interrupt, not available for STM32F030 devices.
+ * @arg USART_IT_RTO: Receive time out interrupt.
+ * @arg USART_IT_CTS: CTS change interrupt.
+ * @arg USART_IT_LBD: LIN Break detection interrupt, not available for STM32F030 devices.
+ * @arg USART_IT_TC: Transmission complete interrupt.
+ * @arg USART_IT_IDLE: IDLE line detected interrupt.
+ * @arg USART_IT_ORE: OverRun Error interrupt.
+ * @arg USART_IT_NE: Noise Error interrupt.
+ * @arg USART_IT_FE: Framing Error interrupt.
+ * @arg USART_IT_PE: Parity Error interrupt.
+ *
+ * @note RXNE pending bit is cleared by a read to the USART_RDR register
+ * (USART_ReceiveData()) or by writing 1 to the RXFRQ in the register
+ * USART_RQR (USART_RequestCmd()).
+ * @note TC pending bit can be also cleared by software sequence: a read
+ * operation to USART_SR register (USART_GetITStatus()) followed by
+ * a write operation to USART_TDR register (USART_SendData()).
+ * @note TXE pending bit is cleared by a write to the USART_TDR register
+ * (USART_SendData()) or by writing 1 to the TXFRQ in the register
+ * USART_RQR (USART_RequestCmd()).
+ * @retval None
+ */
+void USART_ClearITPendingBit(USART_TypeDef* USARTx, uint32_t USART_IT)
+{
+ uint32_t bitpos = 0, itmask = 0;
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_USART_CLEAR_IT(USART_IT));
+
+ bitpos = USART_IT >> 0x10;
+ itmask = ((uint32_t)0x01 << (uint32_t)bitpos);
+ USARTx->ICR = (uint32_t)itmask;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_wwdg.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_wwdg.c
new file mode 100644
index 00000000..da69ed3e
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/SPL/src/stm32f0xx_wwdg.c
@@ -0,0 +1,303 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_wwdg.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the Window watchdog (WWDG) peripheral:
+ * + Prescaler, Refresh window and Counter configuration
+ * + WWDG activation
+ * + Interrupts and flags management
+ *
+ * @verbatim
+ *
+ ==============================================================================
+ ##### WWDG features #####
+ ==============================================================================
+ [..] Once enabled the WWDG generates a system reset on expiry of a programmed
+ time period, unless the program refreshes the counter (downcounter)
+ before to reach 0x3F value (i.e. a reset is generated when the counter
+ value rolls over from 0x40 to 0x3F).
+ [..] An MCU reset is also generated if the counter value is refreshed
+ before the counter has reached the refresh window value. This
+ implies that the counter must be refreshed in a limited window.
+
+ [..] Once enabled the WWDG cannot be disabled except by a system reset.
+
+ [..] WWDGRST flag in RCC_CSR register can be used to inform when a WWDG
+ reset occurs.
+
+ [..] The WWDG counter input clock is derived from the APB clock divided
+ by a programmable prescaler.
+
+ [..] WWDG counter clock = PCLK1 / Prescaler.
+ [..] WWDG timeout = (WWDG counter clock) * (counter value).
+
+ [..] Min-max timeout value @32MHz (PCLK1): ~85us / ~43ms.
+
+ ##### How to use this driver #####
+ ==============================================================================
+ [..]
+ (#) Enable WWDG clock using RCC_APB1PeriphClockCmd(RCC_APB1Periph_WWDG, ENABLE)
+ function.
+
+ (#) Configure the WWDG prescaler using WWDG_SetPrescaler() function.
+
+ (#) Configure the WWDG refresh window using WWDG_SetWindowValue() function.
+
+ (#) Set the WWDG counter value and start it using WWDG_Enable() function.
+ When the WWDG is enabled the counter value should be configured to
+ a value greater than 0x40 to prevent generating an immediate reset.
+
+ (#) Optionally you can enable the Early wakeup interrupt which is
+ generated when the counter reach 0x40.
+ Once enabled this interrupt cannot be disabled except by a system reset.
+
+ (#) Then the application program must refresh the WWDG counter at regular
+ intervals during normal operation to prevent an MCU reset, using
+ WWDG_SetCounter() function. This operation must occur only when
+ the counter value is lower than the refresh window value,
+ programmed using WWDG_SetWindowValue().
+
+ * @endverbatim
+ *
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_wwdg.h"
+#include "stm32f0xx_rcc.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup WWDG
+ * @brief WWDG driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* --------------------- WWDG registers bit mask ---------------------------- */
+/* CFR register bit mask */
+#define CFR_WDGTB_MASK ((uint32_t)0xFFFFFE7F)
+#define CFR_W_MASK ((uint32_t)0xFFFFFF80)
+#define BIT_MASK ((uint8_t)0x7F)
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup WWDG_Private_Functions
+ * @{
+ */
+
+/** @defgroup WWDG_Group1 Prescaler, Refresh window and Counter configuration functions
+ * @brief Prescaler, Refresh window and Counter configuration functions
+ *
+@verbatim
+ ==============================================================================
+ ##### Prescaler, Refresh window and Counter configuration functions #####
+ ==============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Deinitializes the WWDG peripheral registers to their default reset values.
+ * @param None
+ * @retval None
+ */
+void WWDG_DeInit(void)
+{
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_WWDG, ENABLE);
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_WWDG, DISABLE);
+}
+
+/**
+ * @brief Sets the WWDG Prescaler.
+ * @param WWDG_Prescaler: specifies the WWDG Prescaler.
+ * This parameter can be one of the following values:
+ * @arg WWDG_Prescaler_1: WWDG counter clock = (PCLK1/4096)/1
+ * @arg WWDG_Prescaler_2: WWDG counter clock = (PCLK1/4096)/2
+ * @arg WWDG_Prescaler_4: WWDG counter clock = (PCLK1/4096)/4
+ * @arg WWDG_Prescaler_8: WWDG counter clock = (PCLK1/4096)/8
+ * @retval None
+ */
+void WWDG_SetPrescaler(uint32_t WWDG_Prescaler)
+{
+ uint32_t tmpreg = 0;
+ /* Check the parameters */
+ assert_param(IS_WWDG_PRESCALER(WWDG_Prescaler));
+ /* Clear WDGTB[1:0] bits */
+ tmpreg = WWDG->CFR & CFR_WDGTB_MASK;
+ /* Set WDGTB[1:0] bits according to WWDG_Prescaler value */
+ tmpreg |= WWDG_Prescaler;
+ /* Store the new value */
+ WWDG->CFR = tmpreg;
+}
+
+/**
+ * @brief Sets the WWDG window value.
+ * @param WindowValue: specifies the window value to be compared to the downcounter.
+ * This parameter value must be lower than 0x80.
+ * @retval None
+ */
+void WWDG_SetWindowValue(uint8_t WindowValue)
+{
+ __IO uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_WWDG_WINDOW_VALUE(WindowValue));
+ /* Clear W[6:0] bits */
+
+ tmpreg = WWDG->CFR & CFR_W_MASK;
+
+ /* Set W[6:0] bits according to WindowValue value */
+ tmpreg |= WindowValue & (uint32_t) BIT_MASK;
+
+ /* Store the new value */
+ WWDG->CFR = tmpreg;
+}
+
+/**
+ * @brief Enables the WWDG Early Wakeup interrupt(EWI).
+ * @note Once enabled this interrupt cannot be disabled except by a system reset.
+ * @param None
+ * @retval None
+ */
+void WWDG_EnableIT(void)
+{
+ WWDG->CFR |= WWDG_CFR_EWI;
+}
+
+/**
+ * @brief Sets the WWDG counter value.
+ * @param Counter: specifies the watchdog counter value.
+ * This parameter must be a number between 0x40 and 0x7F (to prevent
+ * generating an immediate reset).
+ * @retval None
+ */
+void WWDG_SetCounter(uint8_t Counter)
+{
+ /* Check the parameters */
+ assert_param(IS_WWDG_COUNTER(Counter));
+ /* Write to T[6:0] bits to configure the counter value, no need to do
+ a read-modify-write; writing a 0 to WDGA bit does nothing */
+ WWDG->CR = Counter & BIT_MASK;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup WWDG_Group2 WWDG activation functions
+ * @brief WWDG activation functions
+ *
+@verbatim
+ ==============================================================================
+ ##### WWDG activation function #####
+ ==============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables WWDG and load the counter value.
+ * @param Counter: specifies the watchdog counter value.
+ * This parameter must be a number between 0x40 and 0x7F (to prevent
+ * generating an immediate reset).
+ * @retval None
+ */
+void WWDG_Enable(uint8_t Counter)
+{
+ /* Check the parameters */
+ assert_param(IS_WWDG_COUNTER(Counter));
+ WWDG->CR = WWDG_CR_WDGA | Counter;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup WWDG_Group3 Interrupts and flags management functions
+ * @brief Interrupts and flags management functions
+ *
+@verbatim
+ ==============================================================================
+ ##### Interrupts and flags management functions #####
+ ==============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Checks whether the Early Wakeup interrupt flag is set or not.
+ * @param None
+ * @retval The new state of the Early Wakeup interrupt flag (SET or RESET).
+ */
+FlagStatus WWDG_GetFlagStatus(void)
+{
+ FlagStatus bitstatus = RESET;
+
+ if ((WWDG->SR) != (uint32_t)RESET)
+ {
+ bitstatus = SET;
+ }
+ else
+ {
+ bitstatus = RESET;
+ }
+ return bitstatus;
+}
+
+/**
+ * @brief Clears Early Wakeup interrupt flag.
+ * @param None
+ * @retval None
+ */
+void WWDG_ClearFlag(void)
+{
+ WWDG->SR = (uint32_t)RESET;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/cmsis/arm_common_tables.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/cmsis/arm_common_tables.h
new file mode 100644
index 00000000..9c37ab4e
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/cmsis/arm_common_tables.h
@@ -0,0 +1,93 @@
+/* ----------------------------------------------------------------------
+* Copyright (C) 2010-2013 ARM Limited. All rights reserved.
+*
+* $Date: 17. January 2013
+* $Revision: V1.4.1
+*
+* Project: CMSIS DSP Library
+* Title: arm_common_tables.h
+*
+* Description: This file has extern declaration for common tables like Bitreverse, reciprocal etc which are used across different functions
+*
+* Target Processor: Cortex-M4/Cortex-M3
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions
+* are met:
+* - Redistributions of source code must retain the above copyright
+* notice, this list of conditions and the following disclaimer.
+* - Redistributions in binary form must reproduce the above copyright
+* notice, this list of conditions and the following disclaimer in
+* the documentation and/or other materials provided with the
+* distribution.
+* - Neither the name of ARM LIMITED nor the names of its contributors
+* may be used to endorse or promote products derived from this
+* software without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+* POSSIBILITY OF SUCH DAMAGE.
+* -------------------------------------------------------------------- */
+
+#ifndef _ARM_COMMON_TABLES_H
+#define _ARM_COMMON_TABLES_H
+
+#include "arm_math.h"
+
+extern const uint16_t armBitRevTable[1024];
+extern const q15_t armRecipTableQ15[64];
+extern const q31_t armRecipTableQ31[64];
+extern const q31_t realCoefAQ31[1024];
+extern const q31_t realCoefBQ31[1024];
+extern const float32_t twiddleCoef_16[32];
+extern const float32_t twiddleCoef_32[64];
+extern const float32_t twiddleCoef_64[128];
+extern const float32_t twiddleCoef_128[256];
+extern const float32_t twiddleCoef_256[512];
+extern const float32_t twiddleCoef_512[1024];
+extern const float32_t twiddleCoef_1024[2048];
+extern const float32_t twiddleCoef_2048[4096];
+extern const float32_t twiddleCoef_4096[8192];
+#define twiddleCoef twiddleCoef_4096
+extern const q31_t twiddleCoefQ31[6144];
+extern const q15_t twiddleCoefQ15[6144];
+extern const float32_t twiddleCoef_rfft_32[32];
+extern const float32_t twiddleCoef_rfft_64[64];
+extern const float32_t twiddleCoef_rfft_128[128];
+extern const float32_t twiddleCoef_rfft_256[256];
+extern const float32_t twiddleCoef_rfft_512[512];
+extern const float32_t twiddleCoef_rfft_1024[1024];
+extern const float32_t twiddleCoef_rfft_2048[2048];
+extern const float32_t twiddleCoef_rfft_4096[4096];
+
+
+#define ARMBITREVINDEXTABLE__16_TABLE_LENGTH ((uint16_t)20 )
+#define ARMBITREVINDEXTABLE__32_TABLE_LENGTH ((uint16_t)48 )
+#define ARMBITREVINDEXTABLE__64_TABLE_LENGTH ((uint16_t)56 )
+#define ARMBITREVINDEXTABLE_128_TABLE_LENGTH ((uint16_t)208 )
+#define ARMBITREVINDEXTABLE_256_TABLE_LENGTH ((uint16_t)440 )
+#define ARMBITREVINDEXTABLE_512_TABLE_LENGTH ((uint16_t)448 )
+#define ARMBITREVINDEXTABLE1024_TABLE_LENGTH ((uint16_t)1800)
+#define ARMBITREVINDEXTABLE2048_TABLE_LENGTH ((uint16_t)3808)
+#define ARMBITREVINDEXTABLE4096_TABLE_LENGTH ((uint16_t)4032)
+
+extern const uint16_t armBitRevIndexTable16[ARMBITREVINDEXTABLE__16_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable32[ARMBITREVINDEXTABLE__32_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable64[ARMBITREVINDEXTABLE__64_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable128[ARMBITREVINDEXTABLE_128_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable256[ARMBITREVINDEXTABLE_256_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable512[ARMBITREVINDEXTABLE_512_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable1024[ARMBITREVINDEXTABLE1024_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable2048[ARMBITREVINDEXTABLE2048_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable4096[ARMBITREVINDEXTABLE4096_TABLE_LENGTH];
+
+#endif /* ARM_COMMON_TABLES_H */
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/cmsis/arm_const_structs.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/cmsis/arm_const_structs.h
new file mode 100644
index 00000000..406f737d
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/cmsis/arm_const_structs.h
@@ -0,0 +1,85 @@
+/* ----------------------------------------------------------------------
+* Copyright (C) 2010-2013 ARM Limited. All rights reserved.
+*
+* $Date: 17. January 2013
+* $Revision: V1.4.1
+*
+* Project: CMSIS DSP Library
+* Title: arm_const_structs.h
+*
+* Description: This file has constant structs that are initialized for
+* user convenience. For example, some can be given as
+* arguments to the arm_cfft_f32() function.
+*
+* Target Processor: Cortex-M4/Cortex-M3
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions
+* are met:
+* - Redistributions of source code must retain the above copyright
+* notice, this list of conditions and the following disclaimer.
+* - Redistributions in binary form must reproduce the above copyright
+* notice, this list of conditions and the following disclaimer in
+* the documentation and/or other materials provided with the
+* distribution.
+* - Neither the name of ARM LIMITED nor the names of its contributors
+* may be used to endorse or promote products derived from this
+* software without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+* POSSIBILITY OF SUCH DAMAGE.
+* -------------------------------------------------------------------- */
+
+#ifndef _ARM_CONST_STRUCTS_H
+#define _ARM_CONST_STRUCTS_H
+
+#include "arm_math.h"
+#include "arm_common_tables.h"
+
+ const arm_cfft_instance_f32 arm_cfft_sR_f32_len16 = {
+ 16, twiddleCoef_16, armBitRevIndexTable16, ARMBITREVINDEXTABLE__16_TABLE_LENGTH
+ };
+
+ const arm_cfft_instance_f32 arm_cfft_sR_f32_len32 = {
+ 32, twiddleCoef_32, armBitRevIndexTable32, ARMBITREVINDEXTABLE__32_TABLE_LENGTH
+ };
+
+ const arm_cfft_instance_f32 arm_cfft_sR_f32_len64 = {
+ 64, twiddleCoef_64, armBitRevIndexTable64, ARMBITREVINDEXTABLE__64_TABLE_LENGTH
+ };
+
+ const arm_cfft_instance_f32 arm_cfft_sR_f32_len128 = {
+ 128, twiddleCoef_128, armBitRevIndexTable128, ARMBITREVINDEXTABLE_128_TABLE_LENGTH
+ };
+
+ const arm_cfft_instance_f32 arm_cfft_sR_f32_len256 = {
+ 256, twiddleCoef_256, armBitRevIndexTable256, ARMBITREVINDEXTABLE_256_TABLE_LENGTH
+ };
+
+ const arm_cfft_instance_f32 arm_cfft_sR_f32_len512 = {
+ 512, twiddleCoef_512, armBitRevIndexTable512, ARMBITREVINDEXTABLE_512_TABLE_LENGTH
+ };
+
+ const arm_cfft_instance_f32 arm_cfft_sR_f32_len1024 = {
+ 1024, twiddleCoef_1024, armBitRevIndexTable1024, ARMBITREVINDEXTABLE1024_TABLE_LENGTH
+ };
+
+ const arm_cfft_instance_f32 arm_cfft_sR_f32_len2048 = {
+ 2048, twiddleCoef_2048, armBitRevIndexTable2048, ARMBITREVINDEXTABLE2048_TABLE_LENGTH
+ };
+
+ const arm_cfft_instance_f32 arm_cfft_sR_f32_len4096 = {
+ 4096, twiddleCoef_4096, armBitRevIndexTable4096, ARMBITREVINDEXTABLE4096_TABLE_LENGTH
+ };
+
+#endif
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/cmsis/arm_math.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/cmsis/arm_math.h
new file mode 100644
index 00000000..59662ae1
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/cmsis/arm_math.h
@@ -0,0 +1,7306 @@
+/* ----------------------------------------------------------------------
+* Copyright (C) 2010-2013 ARM Limited. All rights reserved.
+*
+* $Date: 17. January 2013
+* $Revision: V1.4.1
+*
+* Project: CMSIS DSP Library
+* Title: arm_math.h
+*
+* Description: Public header file for CMSIS DSP Library
+*
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions
+* are met:
+* - Redistributions of source code must retain the above copyright
+* notice, this list of conditions and the following disclaimer.
+* - Redistributions in binary form must reproduce the above copyright
+* notice, this list of conditions and the following disclaimer in
+* the documentation and/or other materials provided with the
+* distribution.
+* - Neither the name of ARM LIMITED nor the names of its contributors
+* may be used to endorse or promote products derived from this
+* software without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+* POSSIBILITY OF SUCH DAMAGE.
+ * -------------------------------------------------------------------- */
+
+/**
+ \mainpage CMSIS DSP Software Library
+ *
+ * Introduction
+ *
+ * This user manual describes the CMSIS DSP software library,
+ * a suite of common signal processing functions for use on Cortex-M processor based devices.
+ *
+ * The library is divided into a number of functions each covering a specific category:
+ * - Basic math functions
+ * - Fast math functions
+ * - Complex math functions
+ * - Filters
+ * - Matrix functions
+ * - Transforms
+ * - Motor control functions
+ * - Statistical functions
+ * - Support functions
+ * - Interpolation functions
+ *
+ * The library has separate functions for operating on 8-bit integers, 16-bit integers,
+ * 32-bit integer and 32-bit floating-point values.
+ *
+ * Using the Library
+ *
+ * The library installer contains prebuilt versions of the libraries in the Lib folder.
+ * - arm_cortexM4lf_math.lib (Little endian and Floating Point Unit on Cortex-M4)
+ * - arm_cortexM4bf_math.lib (Big endian and Floating Point Unit on Cortex-M4)
+ * - arm_cortexM4l_math.lib (Little endian on Cortex-M4)
+ * - arm_cortexM4b_math.lib (Big endian on Cortex-M4)
+ * - arm_cortexM3l_math.lib (Little endian on Cortex-M3)
+ * - arm_cortexM3b_math.lib (Big endian on Cortex-M3)
+ * - arm_cortexM0l_math.lib (Little endian on Cortex-M0)
+ * - arm_cortexM0b_math.lib (Big endian on Cortex-M3)
+ *
+ * The library functions are declared in the public file arm_math.h which is placed in the Include folder.
+ * Simply include this file and link the appropriate library in the application and begin calling the library functions. The Library supports single
+ * public header file arm_math.h for Cortex-M4/M3/M0 with little endian and big endian. Same header file will be used for floating point unit(FPU) variants.
+ * Define the appropriate pre processor MACRO ARM_MATH_CM4 or ARM_MATH_CM3 or
+ * ARM_MATH_CM0 or ARM_MATH_CM0PLUS depending on the target processor in the application.
+ *
+ * Examples
+ *
+ * The library ships with a number of examples which demonstrate how to use the library functions.
+ *
+ * Toolchain Support
+ *
+ * The library has been developed and tested with MDK-ARM version 4.60.
+ * The library is being tested in GCC and IAR toolchains and updates on this activity will be made available shortly.
+ *
+ * Building the Library
+ *
+ * The library installer contains project files to re build libraries on MDK Tool chain in the CMSIS\\DSP_Lib\\Source\\ARM folder.
+ * - arm_cortexM0b_math.uvproj
+ * - arm_cortexM0l_math.uvproj
+ * - arm_cortexM3b_math.uvproj
+ * - arm_cortexM3l_math.uvproj
+ * - arm_cortexM4b_math.uvproj
+ * - arm_cortexM4l_math.uvproj
+ * - arm_cortexM4bf_math.uvproj
+ * - arm_cortexM4lf_math.uvproj
+ *
+ *
+ * The project can be built by opening the appropriate project in MDK-ARM 4.60 chain and defining the optional pre processor MACROs detailed above.
+ *
+ * Pre-processor Macros
+ *
+ * Each library project have differant pre-processor macros.
+ *
+ * - UNALIGNED_SUPPORT_DISABLE:
+ *
+ * Define macro UNALIGNED_SUPPORT_DISABLE, If the silicon does not support unaligned memory access
+ *
+ * - ARM_MATH_BIG_ENDIAN:
+ *
+ * Define macro ARM_MATH_BIG_ENDIAN to build the library for big endian targets. By default library builds for little endian targets.
+ *
+ * - ARM_MATH_MATRIX_CHECK:
+ *
+ * Define macro ARM_MATH_MATRIX_CHECK for checking on the input and output sizes of matrices
+ *
+ * - ARM_MATH_ROUNDING:
+ *
+ * Define macro ARM_MATH_ROUNDING for rounding on support functions
+ *
+ * - ARM_MATH_CMx:
+ *
+ * Define macro ARM_MATH_CM4 for building the library on Cortex-M4 target, ARM_MATH_CM3 for building library on Cortex-M3 target
+ * and ARM_MATH_CM0 for building library on cortex-M0 target, ARM_MATH_CM0PLUS for building library on cortex-M0+ target.
+ *
+ * - __FPU_PRESENT:
+ *
+ * Initialize macro __FPU_PRESENT = 1 when building on FPU supported Targets. Enable this macro for M4bf and M4lf libraries
+ *
+ * Copyright Notice
+ *
+ * Copyright (C) 2010-2013 ARM Limited. All rights reserved.
+ */
+
+
+/**
+ * @defgroup groupMath Basic Math Functions
+ */
+
+/**
+ * @defgroup groupFastMath Fast Math Functions
+ * This set of functions provides a fast approximation to sine, cosine, and square root.
+ * As compared to most of the other functions in the CMSIS math library, the fast math functions
+ * operate on individual values and not arrays.
+ * There are separate functions for Q15, Q31, and floating-point data.
+ *
+ */
+
+/**
+ * @defgroup groupCmplxMath Complex Math Functions
+ * This set of functions operates on complex data vectors.
+ * The data in the complex arrays is stored in an interleaved fashion
+ * (real, imag, real, imag, ...).
+ * In the API functions, the number of samples in a complex array refers
+ * to the number of complex values; the array contains twice this number of
+ * real values.
+ */
+
+/**
+ * @defgroup groupFilters Filtering Functions
+ */
+
+/**
+ * @defgroup groupMatrix Matrix Functions
+ *
+ * This set of functions provides basic matrix math operations.
+ * The functions operate on matrix data structures. For example,
+ * the type
+ * definition for the floating-point matrix structure is shown
+ * below:
+ *
+ * typedef struct
+ * {
+ * uint16_t numRows; // number of rows of the matrix.
+ * uint16_t numCols; // number of columns of the matrix.
+ * float32_t *pData; // points to the data of the matrix.
+ * } arm_matrix_instance_f32;
+ *
+ * There are similar definitions for Q15 and Q31 data types.
+ *
+ * The structure specifies the size of the matrix and then points to
+ * an array of data. The array is of size numRows X numCols
+ * and the values are arranged in row order. That is, the
+ * matrix element (i, j) is stored at:
+ * + * pData[i*numCols + j] + *+ * + * \par Init Functions + * There is an associated initialization function for each type of matrix + * data structure. + * The initialization function sets the values of the internal structure fields. + * Refer to the function
arm_mat_init_f32(), arm_mat_init_q31()
+ * and arm_mat_init_q15() for floating-point, Q31 and Q15 types, respectively.
+ *
+ * \par
+ * Use of the initialization function is optional. However, if initialization function is used
+ * then the instance structure cannot be placed into a const data section.
+ * To place the instance structure in a const data
+ * section, manually initialize the data structure. For example:
+ * + *+ * wherearm_matrix_instance_f32 S = {nRows, nColumns, pData};+ *arm_matrix_instance_q31 S = {nRows, nColumns, pData};+ *arm_matrix_instance_q15 S = {nRows, nColumns, pData};+ *
nRows specifies the number of rows, nColumns
+ * specifies the number of columns, and pData points to the
+ * data array.
+ *
+ * \par Size Checking
+ * By default all of the matrix functions perform size checking on the input and
+ * output matrices. For example, the matrix addition function verifies that the
+ * two input matrices and the output matrix all have the same number of rows and
+ * columns. If the size check fails the functions return:
+ * + * ARM_MATH_SIZE_MISMATCH + *+ * Otherwise the functions return + *
+ * ARM_MATH_SUCCESS + *+ * There is some overhead associated with this matrix size checking. + * The matrix size checking is enabled via the \#define + *
+ * ARM_MATH_MATRIX_CHECK + *+ * within the library project settings. By default this macro is defined + * and size checking is enabled. By changing the project settings and + * undefining this macro size checking is eliminated and the functions + * run a bit faster. With size checking disabled the functions always + * return
ARM_MATH_SUCCESS.
+ */
+
+/**
+ * @defgroup groupTransforms Transform Functions
+ */
+
+/**
+ * @defgroup groupController Controller Functions
+ */
+
+/**
+ * @defgroup groupStats Statistics Functions
+ */
+/**
+ * @defgroup groupSupport Support Functions
+ */
+
+/**
+ * @defgroup groupInterpolation Interpolation Functions
+ * These functions perform 1- and 2-dimensional interpolation of data.
+ * Linear interpolation is used for 1-dimensional data and
+ * bilinear interpolation is used for 2-dimensional data.
+ */
+
+/**
+ * @defgroup groupExamples Examples
+ */
+#ifndef _ARM_MATH_H
+#define _ARM_MATH_H
+
+#define __CMSIS_GENERIC /* disable NVIC and Systick functions */
+
+#if defined (ARM_MATH_CM4)
+#include "core_cm4.h"
+#elif defined (ARM_MATH_CM3)
+#include "core_cm3.h"
+#elif defined (ARM_MATH_CM0)
+#include "core_cm0.h"
+#define ARM_MATH_CM0_FAMILY
+#elif defined (ARM_MATH_CM0PLUS)
+#include "core_cm0plus.h"
+#define ARM_MATH_CM0_FAMILY
+#else
+#include "ARMCM4.h"
+#warning "Define either ARM_MATH_CM4 OR ARM_MATH_CM3...By Default building on ARM_MATH_CM4....."
+#endif
+
+#undef __CMSIS_GENERIC /* enable NVIC and Systick functions */
+#include "string.h"
+#include "math.h"
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+ /**
+ * @brief Macros required for reciprocal calculation in Normalized LMS
+ */
+
+#define DELTA_Q31 (0x100)
+#define DELTA_Q15 0x5
+#define INDEX_MASK 0x0000003F
+#ifndef PI
+#define PI 3.14159265358979f
+#endif
+
+ /**
+ * @brief Macros required for SINE and COSINE Fast math approximations
+ */
+
+#define TABLE_SIZE 256
+#define TABLE_SPACING_Q31 0x800000
+#define TABLE_SPACING_Q15 0x80
+
+ /**
+ * @brief Macros required for SINE and COSINE Controller functions
+ */
+ /* 1.31(q31) Fixed value of 2/360 */
+ /* -1 to +1 is divided into 360 values so total spacing is (2/360) */
+#define INPUT_SPACING 0xB60B61
+
+ /**
+ * @brief Macro for Unaligned Support
+ */
+#ifndef UNALIGNED_SUPPORT_DISABLE
+ #define ALIGN4
+#else
+ #if defined (__GNUC__)
+ #define ALIGN4 __attribute__((aligned(4)))
+ #else
+ #define ALIGN4 __align(4)
+ #endif
+#endif /* #ifndef UNALIGNED_SUPPORT_DISABLE */
+
+ /**
+ * @brief Error status returned by some functions in the library.
+ */
+
+ typedef enum
+ {
+ ARM_MATH_SUCCESS = 0, /**< No error */
+ ARM_MATH_ARGUMENT_ERROR = -1, /**< One or more arguments are incorrect */
+ ARM_MATH_LENGTH_ERROR = -2, /**< Length of data buffer is incorrect */
+ ARM_MATH_SIZE_MISMATCH = -3, /**< Size of matrices is not compatible with the operation. */
+ ARM_MATH_NANINF = -4, /**< Not-a-number (NaN) or infinity is generated */
+ ARM_MATH_SINGULAR = -5, /**< Generated by matrix inversion if the input matrix is singular and cannot be inverted. */
+ ARM_MATH_TEST_FAILURE = -6 /**< Test Failed */
+ } arm_status;
+
+ /**
+ * @brief 8-bit fractional data type in 1.7 format.
+ */
+ typedef int8_t q7_t;
+
+ /**
+ * @brief 16-bit fractional data type in 1.15 format.
+ */
+ typedef int16_t q15_t;
+
+ /**
+ * @brief 32-bit fractional data type in 1.31 format.
+ */
+ typedef int32_t q31_t;
+
+ /**
+ * @brief 64-bit fractional data type in 1.63 format.
+ */
+ typedef int64_t q63_t;
+
+ /**
+ * @brief 32-bit floating-point type definition.
+ */
+ typedef float float32_t;
+
+ /**
+ * @brief 64-bit floating-point type definition.
+ */
+ typedef double float64_t;
+
+ /**
+ * @brief definition to read/write two 16 bit values.
+ */
+#if defined __CC_ARM
+#define __SIMD32_TYPE int32_t __packed
+#define CMSIS_UNUSED __attribute__((unused))
+#elif defined __ICCARM__
+#define CMSIS_UNUSED
+#define __SIMD32_TYPE int32_t __packed
+#elif defined __GNUC__
+#define __SIMD32_TYPE int32_t
+#define CMSIS_UNUSED __attribute__((unused))
+#else
+#error Unknown compiler
+#endif
+
+#define __SIMD32(addr) (*(__SIMD32_TYPE **) & (addr))
+#define __SIMD32_CONST(addr) ((__SIMD32_TYPE *)(addr))
+
+#define _SIMD32_OFFSET(addr) (*(__SIMD32_TYPE *) (addr))
+
+#define __SIMD64(addr) (*(int64_t **) & (addr))
+
+#if defined (ARM_MATH_CM3) || defined (ARM_MATH_CM0_FAMILY)
+ /**
+ * @brief definition to pack two 16 bit values.
+ */
+#define __PKHBT(ARG1, ARG2, ARG3) ( (((int32_t)(ARG1) << 0) & (int32_t)0x0000FFFF) | \
+ (((int32_t)(ARG2) << ARG3) & (int32_t)0xFFFF0000) )
+#define __PKHTB(ARG1, ARG2, ARG3) ( (((int32_t)(ARG1) << 0) & (int32_t)0xFFFF0000) | \
+ (((int32_t)(ARG2) >> ARG3) & (int32_t)0x0000FFFF) )
+
+#endif
+
+
+ /**
+ * @brief definition to pack four 8 bit values.
+ */
+#ifndef ARM_MATH_BIG_ENDIAN
+
+#define __PACKq7(v0,v1,v2,v3) ( (((int32_t)(v0) << 0) & (int32_t)0x000000FF) | \
+ (((int32_t)(v1) << 8) & (int32_t)0x0000FF00) | \
+ (((int32_t)(v2) << 16) & (int32_t)0x00FF0000) | \
+ (((int32_t)(v3) << 24) & (int32_t)0xFF000000) )
+#else
+
+#define __PACKq7(v0,v1,v2,v3) ( (((int32_t)(v3) << 0) & (int32_t)0x000000FF) | \
+ (((int32_t)(v2) << 8) & (int32_t)0x0000FF00) | \
+ (((int32_t)(v1) << 16) & (int32_t)0x00FF0000) | \
+ (((int32_t)(v0) << 24) & (int32_t)0xFF000000) )
+
+#endif
+
+
+ /**
+ * @brief Clips Q63 to Q31 values.
+ */
+ static __INLINE q31_t clip_q63_to_q31(
+ q63_t x)
+ {
+ return ((q31_t) (x >> 32) != ((q31_t) x >> 31)) ?
+ ((0x7FFFFFFF ^ ((q31_t) (x >> 63)))) : (q31_t) x;
+ }
+
+ /**
+ * @brief Clips Q63 to Q15 values.
+ */
+ static __INLINE q15_t clip_q63_to_q15(
+ q63_t x)
+ {
+ return ((q31_t) (x >> 32) != ((q31_t) x >> 31)) ?
+ ((0x7FFF ^ ((q15_t) (x >> 63)))) : (q15_t) (x >> 15);
+ }
+
+ /**
+ * @brief Clips Q31 to Q7 values.
+ */
+ static __INLINE q7_t clip_q31_to_q7(
+ q31_t x)
+ {
+ return ((q31_t) (x >> 24) != ((q31_t) x >> 23)) ?
+ ((0x7F ^ ((q7_t) (x >> 31)))) : (q7_t) x;
+ }
+
+ /**
+ * @brief Clips Q31 to Q15 values.
+ */
+ static __INLINE q15_t clip_q31_to_q15(
+ q31_t x)
+ {
+ return ((q31_t) (x >> 16) != ((q31_t) x >> 15)) ?
+ ((0x7FFF ^ ((q15_t) (x >> 31)))) : (q15_t) x;
+ }
+
+ /**
+ * @brief Multiplies 32 X 64 and returns 32 bit result in 2.30 format.
+ */
+
+ static __INLINE q63_t mult32x64(
+ q63_t x,
+ q31_t y)
+ {
+ return ((((q63_t) (x & 0x00000000FFFFFFFF) * y) >> 32) +
+ (((q63_t) (x >> 32) * y)));
+ }
+
+
+#if defined (ARM_MATH_CM0_FAMILY) && defined ( __CC_ARM )
+#define __CLZ __clz
+#endif
+
+#if defined (ARM_MATH_CM0_FAMILY) && ((defined (__ICCARM__)) ||(defined (__GNUC__)) || defined (__TASKING__) )
+
+ static __INLINE uint32_t __CLZ(
+ q31_t data);
+
+
+ static __INLINE uint32_t __CLZ(
+ q31_t data)
+ {
+ uint32_t count = 0;
+ uint32_t mask = 0x80000000;
+
+ while((data & mask) == 0)
+ {
+ count += 1u;
+ mask = mask >> 1u;
+ }
+
+ return (count);
+
+ }
+
+#endif
+
+ /**
+ * @brief Function to Calculates 1/in (reciprocal) value of Q31 Data type.
+ */
+
+ static __INLINE uint32_t arm_recip_q31(
+ q31_t in,
+ q31_t * dst,
+ q31_t * pRecipTable)
+ {
+
+ uint32_t out, tempVal;
+ uint32_t index, i;
+ uint32_t signBits;
+
+ if(in > 0)
+ {
+ signBits = __CLZ(in) - 1;
+ }
+ else
+ {
+ signBits = __CLZ(-in) - 1;
+ }
+
+ /* Convert input sample to 1.31 format */
+ in = in << signBits;
+
+ /* calculation of index for initial approximated Val */
+ index = (uint32_t) (in >> 24u);
+ index = (index & INDEX_MASK);
+
+ /* 1.31 with exp 1 */
+ out = pRecipTable[index];
+
+ /* calculation of reciprocal value */
+ /* running approximation for two iterations */
+ for (i = 0u; i < 2u; i++)
+ {
+ tempVal = (q31_t) (((q63_t) in * out) >> 31u);
+ tempVal = 0x7FFFFFFF - tempVal;
+ /* 1.31 with exp 1 */
+ //out = (q31_t) (((q63_t) out * tempVal) >> 30u);
+ out = (q31_t) clip_q63_to_q31(((q63_t) out * tempVal) >> 30u);
+ }
+
+ /* write output */
+ *dst = out;
+
+ /* return num of signbits of out = 1/in value */
+ return (signBits + 1u);
+
+ }
+
+ /**
+ * @brief Function to Calculates 1/in (reciprocal) value of Q15 Data type.
+ */
+ static __INLINE uint32_t arm_recip_q15(
+ q15_t in,
+ q15_t * dst,
+ q15_t * pRecipTable)
+ {
+
+ uint32_t out = 0, tempVal = 0;
+ uint32_t index = 0, i = 0;
+ uint32_t signBits = 0;
+
+ if(in > 0)
+ {
+ signBits = __CLZ(in) - 17;
+ }
+ else
+ {
+ signBits = __CLZ(-in) - 17;
+ }
+
+ /* Convert input sample to 1.15 format */
+ in = in << signBits;
+
+ /* calculation of index for initial approximated Val */
+ index = in >> 8;
+ index = (index & INDEX_MASK);
+
+ /* 1.15 with exp 1 */
+ out = pRecipTable[index];
+
+ /* calculation of reciprocal value */
+ /* running approximation for two iterations */
+ for (i = 0; i < 2; i++)
+ {
+ tempVal = (q15_t) (((q31_t) in * out) >> 15);
+ tempVal = 0x7FFF - tempVal;
+ /* 1.15 with exp 1 */
+ out = (q15_t) (((q31_t) out * tempVal) >> 14);
+ }
+
+ /* write output */
+ *dst = out;
+
+ /* return num of signbits of out = 1/in value */
+ return (signBits + 1);
+
+ }
+
+
+ /*
+ * @brief C custom defined intrinisic function for only M0 processors
+ */
+#if defined(ARM_MATH_CM0_FAMILY)
+
+ static __INLINE q31_t __SSAT(
+ q31_t x,
+ uint32_t y)
+ {
+ int32_t posMax, negMin;
+ uint32_t i;
+
+ posMax = 1;
+ for (i = 0; i < (y - 1); i++)
+ {
+ posMax = posMax * 2;
+ }
+
+ if(x > 0)
+ {
+ posMax = (posMax - 1);
+
+ if(x > posMax)
+ {
+ x = posMax;
+ }
+ }
+ else
+ {
+ negMin = -posMax;
+
+ if(x < negMin)
+ {
+ x = negMin;
+ }
+ }
+ return (x);
+
+
+ }
+
+#endif /* end of ARM_MATH_CM0_FAMILY */
+
+
+
+ /*
+ * @brief C custom defined intrinsic function for M3 and M0 processors
+ */
+#if defined (ARM_MATH_CM3) || defined (ARM_MATH_CM0_FAMILY)
+
+ /*
+ * @brief C custom defined QADD8 for M3 and M0 processors
+ */
+ static __INLINE q31_t __QADD8(
+ q31_t x,
+ q31_t y)
+ {
+
+ q31_t sum;
+ q7_t r, s, t, u;
+
+ r = (q7_t) x;
+ s = (q7_t) y;
+
+ r = __SSAT((q31_t) (r + s), 8);
+ s = __SSAT(((q31_t) (((x << 16) >> 24) + ((y << 16) >> 24))), 8);
+ t = __SSAT(((q31_t) (((x << 8) >> 24) + ((y << 8) >> 24))), 8);
+ u = __SSAT(((q31_t) ((x >> 24) + (y >> 24))), 8);
+
+ sum =
+ (((q31_t) u << 24) & 0xFF000000) | (((q31_t) t << 16) & 0x00FF0000) |
+ (((q31_t) s << 8) & 0x0000FF00) | (r & 0x000000FF);
+
+ return sum;
+
+ }
+
+ /*
+ * @brief C custom defined QSUB8 for M3 and M0 processors
+ */
+ static __INLINE q31_t __QSUB8(
+ q31_t x,
+ q31_t y)
+ {
+
+ q31_t sum;
+ q31_t r, s, t, u;
+
+ r = (q7_t) x;
+ s = (q7_t) y;
+
+ r = __SSAT((r - s), 8);
+ s = __SSAT(((q31_t) (((x << 16) >> 24) - ((y << 16) >> 24))), 8) << 8;
+ t = __SSAT(((q31_t) (((x << 8) >> 24) - ((y << 8) >> 24))), 8) << 16;
+ u = __SSAT(((q31_t) ((x >> 24) - (y >> 24))), 8) << 24;
+
+ sum =
+ (u & 0xFF000000) | (t & 0x00FF0000) | (s & 0x0000FF00) | (r &
+ 0x000000FF);
+
+ return sum;
+ }
+
+ /*
+ * @brief C custom defined QADD16 for M3 and M0 processors
+ */
+
+ /*
+ * @brief C custom defined QADD16 for M3 and M0 processors
+ */
+ static __INLINE q31_t __QADD16(
+ q31_t x,
+ q31_t y)
+ {
+
+ q31_t sum;
+ q31_t r, s;
+
+ r = (short) x;
+ s = (short) y;
+
+ r = __SSAT(r + s, 16);
+ s = __SSAT(((q31_t) ((x >> 16) + (y >> 16))), 16) << 16;
+
+ sum = (s & 0xFFFF0000) | (r & 0x0000FFFF);
+
+ return sum;
+
+ }
+
+ /*
+ * @brief C custom defined SHADD16 for M3 and M0 processors
+ */
+ static __INLINE q31_t __SHADD16(
+ q31_t x,
+ q31_t y)
+ {
+
+ q31_t sum;
+ q31_t r, s;
+
+ r = (short) x;
+ s = (short) y;
+
+ r = ((r >> 1) + (s >> 1));
+ s = ((q31_t) ((x >> 17) + (y >> 17))) << 16;
+
+ sum = (s & 0xFFFF0000) | (r & 0x0000FFFF);
+
+ return sum;
+
+ }
+
+ /*
+ * @brief C custom defined QSUB16 for M3 and M0 processors
+ */
+ static __INLINE q31_t __QSUB16(
+ q31_t x,
+ q31_t y)
+ {
+
+ q31_t sum;
+ q31_t r, s;
+
+ r = (short) x;
+ s = (short) y;
+
+ r = __SSAT(r - s, 16);
+ s = __SSAT(((q31_t) ((x >> 16) - (y >> 16))), 16) << 16;
+
+ sum = (s & 0xFFFF0000) | (r & 0x0000FFFF);
+
+ return sum;
+ }
+
+ /*
+ * @brief C custom defined SHSUB16 for M3 and M0 processors
+ */
+ static __INLINE q31_t __SHSUB16(
+ q31_t x,
+ q31_t y)
+ {
+
+ q31_t diff;
+ q31_t r, s;
+
+ r = (short) x;
+ s = (short) y;
+
+ r = ((r >> 1) - (s >> 1));
+ s = (((x >> 17) - (y >> 17)) << 16);
+
+ diff = (s & 0xFFFF0000) | (r & 0x0000FFFF);
+
+ return diff;
+ }
+
+ /*
+ * @brief C custom defined QASX for M3 and M0 processors
+ */
+ static __INLINE q31_t __QASX(
+ q31_t x,
+ q31_t y)
+ {
+
+ q31_t sum = 0;
+
+ sum =
+ ((sum +
+ clip_q31_to_q15((q31_t) ((short) (x >> 16) + (short) y))) << 16) +
+ clip_q31_to_q15((q31_t) ((short) x - (short) (y >> 16)));
+
+ return sum;
+ }
+
+ /*
+ * @brief C custom defined SHASX for M3 and M0 processors
+ */
+ static __INLINE q31_t __SHASX(
+ q31_t x,
+ q31_t y)
+ {
+
+ q31_t sum;
+ q31_t r, s;
+
+ r = (short) x;
+ s = (short) y;
+
+ r = ((r >> 1) - (y >> 17));
+ s = (((x >> 17) + (s >> 1)) << 16);
+
+ sum = (s & 0xFFFF0000) | (r & 0x0000FFFF);
+
+ return sum;
+ }
+
+
+ /*
+ * @brief C custom defined QSAX for M3 and M0 processors
+ */
+ static __INLINE q31_t __QSAX(
+ q31_t x,
+ q31_t y)
+ {
+
+ q31_t sum = 0;
+
+ sum =
+ ((sum +
+ clip_q31_to_q15((q31_t) ((short) (x >> 16) - (short) y))) << 16) +
+ clip_q31_to_q15((q31_t) ((short) x + (short) (y >> 16)));
+
+ return sum;
+ }
+
+ /*
+ * @brief C custom defined SHSAX for M3 and M0 processors
+ */
+ static __INLINE q31_t __SHSAX(
+ q31_t x,
+ q31_t y)
+ {
+
+ q31_t sum;
+ q31_t r, s;
+
+ r = (short) x;
+ s = (short) y;
+
+ r = ((r >> 1) + (y >> 17));
+ s = (((x >> 17) - (s >> 1)) << 16);
+
+ sum = (s & 0xFFFF0000) | (r & 0x0000FFFF);
+
+ return sum;
+ }
+
+ /*
+ * @brief C custom defined SMUSDX for M3 and M0 processors
+ */
+ static __INLINE q31_t __SMUSDX(
+ q31_t x,
+ q31_t y)
+ {
+
+ return ((q31_t) (((short) x * (short) (y >> 16)) -
+ ((short) (x >> 16) * (short) y)));
+ }
+
+ /*
+ * @brief C custom defined SMUADX for M3 and M0 processors
+ */
+ static __INLINE q31_t __SMUADX(
+ q31_t x,
+ q31_t y)
+ {
+
+ return ((q31_t) (((short) x * (short) (y >> 16)) +
+ ((short) (x >> 16) * (short) y)));
+ }
+
+ /*
+ * @brief C custom defined QADD for M3 and M0 processors
+ */
+ static __INLINE q31_t __QADD(
+ q31_t x,
+ q31_t y)
+ {
+ return clip_q63_to_q31((q63_t) x + y);
+ }
+
+ /*
+ * @brief C custom defined QSUB for M3 and M0 processors
+ */
+ static __INLINE q31_t __QSUB(
+ q31_t x,
+ q31_t y)
+ {
+ return clip_q63_to_q31((q63_t) x - y);
+ }
+
+ /*
+ * @brief C custom defined SMLAD for M3 and M0 processors
+ */
+ static __INLINE q31_t __SMLAD(
+ q31_t x,
+ q31_t y,
+ q31_t sum)
+ {
+
+ return (sum + ((short) (x >> 16) * (short) (y >> 16)) +
+ ((short) x * (short) y));
+ }
+
+ /*
+ * @brief C custom defined SMLADX for M3 and M0 processors
+ */
+ static __INLINE q31_t __SMLADX(
+ q31_t x,
+ q31_t y,
+ q31_t sum)
+ {
+
+ return (sum + ((short) (x >> 16) * (short) (y)) +
+ ((short) x * (short) (y >> 16)));
+ }
+
+ /*
+ * @brief C custom defined SMLSDX for M3 and M0 processors
+ */
+ static __INLINE q31_t __SMLSDX(
+ q31_t x,
+ q31_t y,
+ q31_t sum)
+ {
+
+ return (sum - ((short) (x >> 16) * (short) (y)) +
+ ((short) x * (short) (y >> 16)));
+ }
+
+ /*
+ * @brief C custom defined SMLALD for M3 and M0 processors
+ */
+ static __INLINE q63_t __SMLALD(
+ q31_t x,
+ q31_t y,
+ q63_t sum)
+ {
+
+ return (sum + ((short) (x >> 16) * (short) (y >> 16)) +
+ ((short) x * (short) y));
+ }
+
+ /*
+ * @brief C custom defined SMLALDX for M3 and M0 processors
+ */
+ static __INLINE q63_t __SMLALDX(
+ q31_t x,
+ q31_t y,
+ q63_t sum)
+ {
+
+ return (sum + ((short) (x >> 16) * (short) y)) +
+ ((short) x * (short) (y >> 16));
+ }
+
+ /*
+ * @brief C custom defined SMUAD for M3 and M0 processors
+ */
+ static __INLINE q31_t __SMUAD(
+ q31_t x,
+ q31_t y)
+ {
+
+ return (((x >> 16) * (y >> 16)) +
+ (((x << 16) >> 16) * ((y << 16) >> 16)));
+ }
+
+ /*
+ * @brief C custom defined SMUSD for M3 and M0 processors
+ */
+ static __INLINE q31_t __SMUSD(
+ q31_t x,
+ q31_t y)
+ {
+
+ return (-((x >> 16) * (y >> 16)) +
+ (((x << 16) >> 16) * ((y << 16) >> 16)));
+ }
+
+
+ /*
+ * @brief C custom defined SXTB16 for M3 and M0 processors
+ */
+ static __INLINE q31_t __SXTB16(
+ q31_t x)
+ {
+
+ return ((((x << 24) >> 24) & 0x0000FFFF) |
+ (((x << 8) >> 8) & 0xFFFF0000));
+ }
+
+
+#endif /* defined (ARM_MATH_CM3) || defined (ARM_MATH_CM0_FAMILY) */
+
+
+ /**
+ * @brief Instance structure for the Q7 FIR filter.
+ */
+ typedef struct
+ {
+ uint16_t numTaps; /**< number of filter coefficients in the filter. */
+ q7_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
+ q7_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps.*/
+ } arm_fir_instance_q7;
+
+ /**
+ * @brief Instance structure for the Q15 FIR filter.
+ */
+ typedef struct
+ {
+ uint16_t numTaps; /**< number of filter coefficients in the filter. */
+ q15_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
+ q15_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps.*/
+ } arm_fir_instance_q15;
+
+ /**
+ * @brief Instance structure for the Q31 FIR filter.
+ */
+ typedef struct
+ {
+ uint16_t numTaps; /**< number of filter coefficients in the filter. */
+ q31_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
+ q31_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps. */
+ } arm_fir_instance_q31;
+
+ /**
+ * @brief Instance structure for the floating-point FIR filter.
+ */
+ typedef struct
+ {
+ uint16_t numTaps; /**< number of filter coefficients in the filter. */
+ float32_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
+ float32_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps. */
+ } arm_fir_instance_f32;
+
+
+ /**
+ * @brief Processing function for the Q7 FIR filter.
+ * @param[in] *S points to an instance of the Q7 FIR filter structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+ void arm_fir_q7(
+ const arm_fir_instance_q7 * S,
+ q7_t * pSrc,
+ q7_t * pDst,
+ uint32_t blockSize);
+
+
+ /**
+ * @brief Initialization function for the Q7 FIR filter.
+ * @param[in,out] *S points to an instance of the Q7 FIR structure.
+ * @param[in] numTaps Number of filter coefficients in the filter.
+ * @param[in] *pCoeffs points to the filter coefficients.
+ * @param[in] *pState points to the state buffer.
+ * @param[in] blockSize number of samples that are processed.
+ * @return none
+ */
+ void arm_fir_init_q7(
+ arm_fir_instance_q7 * S,
+ uint16_t numTaps,
+ q7_t * pCoeffs,
+ q7_t * pState,
+ uint32_t blockSize);
+
+
+ /**
+ * @brief Processing function for the Q15 FIR filter.
+ * @param[in] *S points to an instance of the Q15 FIR structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+ void arm_fir_q15(
+ const arm_fir_instance_q15 * S,
+ q15_t * pSrc,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Processing function for the fast Q15 FIR filter for Cortex-M3 and Cortex-M4.
+ * @param[in] *S points to an instance of the Q15 FIR filter structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+ void arm_fir_fast_q15(
+ const arm_fir_instance_q15 * S,
+ q15_t * pSrc,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Initialization function for the Q15 FIR filter.
+ * @param[in,out] *S points to an instance of the Q15 FIR filter structure.
+ * @param[in] numTaps Number of filter coefficients in the filter. Must be even and greater than or equal to 4.
+ * @param[in] *pCoeffs points to the filter coefficients.
+ * @param[in] *pState points to the state buffer.
+ * @param[in] blockSize number of samples that are processed at a time.
+ * @return The function returns ARM_MATH_SUCCESS if initialization was successful or ARM_MATH_ARGUMENT_ERROR if
+ * numTaps is not a supported value.
+ */
+
+ arm_status arm_fir_init_q15(
+ arm_fir_instance_q15 * S,
+ uint16_t numTaps,
+ q15_t * pCoeffs,
+ q15_t * pState,
+ uint32_t blockSize);
+
+ /**
+ * @brief Processing function for the Q31 FIR filter.
+ * @param[in] *S points to an instance of the Q31 FIR filter structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+ void arm_fir_q31(
+ const arm_fir_instance_q31 * S,
+ q31_t * pSrc,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Processing function for the fast Q31 FIR filter for Cortex-M3 and Cortex-M4.
+ * @param[in] *S points to an instance of the Q31 FIR structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+ void arm_fir_fast_q31(
+ const arm_fir_instance_q31 * S,
+ q31_t * pSrc,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Initialization function for the Q31 FIR filter.
+ * @param[in,out] *S points to an instance of the Q31 FIR structure.
+ * @param[in] numTaps Number of filter coefficients in the filter.
+ * @param[in] *pCoeffs points to the filter coefficients.
+ * @param[in] *pState points to the state buffer.
+ * @param[in] blockSize number of samples that are processed at a time.
+ * @return none.
+ */
+ void arm_fir_init_q31(
+ arm_fir_instance_q31 * S,
+ uint16_t numTaps,
+ q31_t * pCoeffs,
+ q31_t * pState,
+ uint32_t blockSize);
+
+ /**
+ * @brief Processing function for the floating-point FIR filter.
+ * @param[in] *S points to an instance of the floating-point FIR structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+ void arm_fir_f32(
+ const arm_fir_instance_f32 * S,
+ float32_t * pSrc,
+ float32_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Initialization function for the floating-point FIR filter.
+ * @param[in,out] *S points to an instance of the floating-point FIR filter structure.
+ * @param[in] numTaps Number of filter coefficients in the filter.
+ * @param[in] *pCoeffs points to the filter coefficients.
+ * @param[in] *pState points to the state buffer.
+ * @param[in] blockSize number of samples that are processed at a time.
+ * @return none.
+ */
+ void arm_fir_init_f32(
+ arm_fir_instance_f32 * S,
+ uint16_t numTaps,
+ float32_t * pCoeffs,
+ float32_t * pState,
+ uint32_t blockSize);
+
+
+ /**
+ * @brief Instance structure for the Q15 Biquad cascade filter.
+ */
+ typedef struct
+ {
+ int8_t numStages; /**< number of 2nd order stages in the filter. Overall order is 2*numStages. */
+ q15_t *pState; /**< Points to the array of state coefficients. The array is of length 4*numStages. */
+ q15_t *pCoeffs; /**< Points to the array of coefficients. The array is of length 5*numStages. */
+ int8_t postShift; /**< Additional shift, in bits, applied to each output sample. */
+
+ } arm_biquad_casd_df1_inst_q15;
+
+
+ /**
+ * @brief Instance structure for the Q31 Biquad cascade filter.
+ */
+ typedef struct
+ {
+ uint32_t numStages; /**< number of 2nd order stages in the filter. Overall order is 2*numStages. */
+ q31_t *pState; /**< Points to the array of state coefficients. The array is of length 4*numStages. */
+ q31_t *pCoeffs; /**< Points to the array of coefficients. The array is of length 5*numStages. */
+ uint8_t postShift; /**< Additional shift, in bits, applied to each output sample. */
+
+ } arm_biquad_casd_df1_inst_q31;
+
+ /**
+ * @brief Instance structure for the floating-point Biquad cascade filter.
+ */
+ typedef struct
+ {
+ uint32_t numStages; /**< number of 2nd order stages in the filter. Overall order is 2*numStages. */
+ float32_t *pState; /**< Points to the array of state coefficients. The array is of length 4*numStages. */
+ float32_t *pCoeffs; /**< Points to the array of coefficients. The array is of length 5*numStages. */
+
+
+ } arm_biquad_casd_df1_inst_f32;
+
+
+
+ /**
+ * @brief Processing function for the Q15 Biquad cascade filter.
+ * @param[in] *S points to an instance of the Q15 Biquad cascade structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_biquad_cascade_df1_q15(
+ const arm_biquad_casd_df1_inst_q15 * S,
+ q15_t * pSrc,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Initialization function for the Q15 Biquad cascade filter.
+ * @param[in,out] *S points to an instance of the Q15 Biquad cascade structure.
+ * @param[in] numStages number of 2nd order stages in the filter.
+ * @param[in] *pCoeffs points to the filter coefficients.
+ * @param[in] *pState points to the state buffer.
+ * @param[in] postShift Shift to be applied to the output. Varies according to the coefficients format
+ * @return none
+ */
+
+ void arm_biquad_cascade_df1_init_q15(
+ arm_biquad_casd_df1_inst_q15 * S,
+ uint8_t numStages,
+ q15_t * pCoeffs,
+ q15_t * pState,
+ int8_t postShift);
+
+
+ /**
+ * @brief Fast but less precise processing function for the Q15 Biquad cascade filter for Cortex-M3 and Cortex-M4.
+ * @param[in] *S points to an instance of the Q15 Biquad cascade structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_biquad_cascade_df1_fast_q15(
+ const arm_biquad_casd_df1_inst_q15 * S,
+ q15_t * pSrc,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+
+ /**
+ * @brief Processing function for the Q31 Biquad cascade filter
+ * @param[in] *S points to an instance of the Q31 Biquad cascade structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_biquad_cascade_df1_q31(
+ const arm_biquad_casd_df1_inst_q31 * S,
+ q31_t * pSrc,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Fast but less precise processing function for the Q31 Biquad cascade filter for Cortex-M3 and Cortex-M4.
+ * @param[in] *S points to an instance of the Q31 Biquad cascade structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_biquad_cascade_df1_fast_q31(
+ const arm_biquad_casd_df1_inst_q31 * S,
+ q31_t * pSrc,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Initialization function for the Q31 Biquad cascade filter.
+ * @param[in,out] *S points to an instance of the Q31 Biquad cascade structure.
+ * @param[in] numStages number of 2nd order stages in the filter.
+ * @param[in] *pCoeffs points to the filter coefficients.
+ * @param[in] *pState points to the state buffer.
+ * @param[in] postShift Shift to be applied to the output. Varies according to the coefficients format
+ * @return none
+ */
+
+ void arm_biquad_cascade_df1_init_q31(
+ arm_biquad_casd_df1_inst_q31 * S,
+ uint8_t numStages,
+ q31_t * pCoeffs,
+ q31_t * pState,
+ int8_t postShift);
+
+ /**
+ * @brief Processing function for the floating-point Biquad cascade filter.
+ * @param[in] *S points to an instance of the floating-point Biquad cascade structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_biquad_cascade_df1_f32(
+ const arm_biquad_casd_df1_inst_f32 * S,
+ float32_t * pSrc,
+ float32_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Initialization function for the floating-point Biquad cascade filter.
+ * @param[in,out] *S points to an instance of the floating-point Biquad cascade structure.
+ * @param[in] numStages number of 2nd order stages in the filter.
+ * @param[in] *pCoeffs points to the filter coefficients.
+ * @param[in] *pState points to the state buffer.
+ * @return none
+ */
+
+ void arm_biquad_cascade_df1_init_f32(
+ arm_biquad_casd_df1_inst_f32 * S,
+ uint8_t numStages,
+ float32_t * pCoeffs,
+ float32_t * pState);
+
+
+ /**
+ * @brief Instance structure for the floating-point matrix structure.
+ */
+
+ typedef struct
+ {
+ uint16_t numRows; /**< number of rows of the matrix. */
+ uint16_t numCols; /**< number of columns of the matrix. */
+ float32_t *pData; /**< points to the data of the matrix. */
+ } arm_matrix_instance_f32;
+
+ /**
+ * @brief Instance structure for the Q15 matrix structure.
+ */
+
+ typedef struct
+ {
+ uint16_t numRows; /**< number of rows of the matrix. */
+ uint16_t numCols; /**< number of columns of the matrix. */
+ q15_t *pData; /**< points to the data of the matrix. */
+
+ } arm_matrix_instance_q15;
+
+ /**
+ * @brief Instance structure for the Q31 matrix structure.
+ */
+
+ typedef struct
+ {
+ uint16_t numRows; /**< number of rows of the matrix. */
+ uint16_t numCols; /**< number of columns of the matrix. */
+ q31_t *pData; /**< points to the data of the matrix. */
+
+ } arm_matrix_instance_q31;
+
+
+
+ /**
+ * @brief Floating-point matrix addition.
+ * @param[in] *pSrcA points to the first input matrix structure
+ * @param[in] *pSrcB points to the second input matrix structure
+ * @param[out] *pDst points to output matrix structure
+ * @return The function returns either
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+ */
+
+ arm_status arm_mat_add_f32(
+ const arm_matrix_instance_f32 * pSrcA,
+ const arm_matrix_instance_f32 * pSrcB,
+ arm_matrix_instance_f32 * pDst);
+
+ /**
+ * @brief Q15 matrix addition.
+ * @param[in] *pSrcA points to the first input matrix structure
+ * @param[in] *pSrcB points to the second input matrix structure
+ * @param[out] *pDst points to output matrix structure
+ * @return The function returns either
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+ */
+
+ arm_status arm_mat_add_q15(
+ const arm_matrix_instance_q15 * pSrcA,
+ const arm_matrix_instance_q15 * pSrcB,
+ arm_matrix_instance_q15 * pDst);
+
+ /**
+ * @brief Q31 matrix addition.
+ * @param[in] *pSrcA points to the first input matrix structure
+ * @param[in] *pSrcB points to the second input matrix structure
+ * @param[out] *pDst points to output matrix structure
+ * @return The function returns either
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+ */
+
+ arm_status arm_mat_add_q31(
+ const arm_matrix_instance_q31 * pSrcA,
+ const arm_matrix_instance_q31 * pSrcB,
+ arm_matrix_instance_q31 * pDst);
+
+
+ /**
+ * @brief Floating-point matrix transpose.
+ * @param[in] *pSrc points to the input matrix
+ * @param[out] *pDst points to the output matrix
+ * @return The function returns either ARM_MATH_SIZE_MISMATCH
+ * or ARM_MATH_SUCCESS based on the outcome of size checking.
+ */
+
+ arm_status arm_mat_trans_f32(
+ const arm_matrix_instance_f32 * pSrc,
+ arm_matrix_instance_f32 * pDst);
+
+
+ /**
+ * @brief Q15 matrix transpose.
+ * @param[in] *pSrc points to the input matrix
+ * @param[out] *pDst points to the output matrix
+ * @return The function returns either ARM_MATH_SIZE_MISMATCH
+ * or ARM_MATH_SUCCESS based on the outcome of size checking.
+ */
+
+ arm_status arm_mat_trans_q15(
+ const arm_matrix_instance_q15 * pSrc,
+ arm_matrix_instance_q15 * pDst);
+
+ /**
+ * @brief Q31 matrix transpose.
+ * @param[in] *pSrc points to the input matrix
+ * @param[out] *pDst points to the output matrix
+ * @return The function returns either ARM_MATH_SIZE_MISMATCH
+ * or ARM_MATH_SUCCESS based on the outcome of size checking.
+ */
+
+ arm_status arm_mat_trans_q31(
+ const arm_matrix_instance_q31 * pSrc,
+ arm_matrix_instance_q31 * pDst);
+
+
+ /**
+ * @brief Floating-point matrix multiplication
+ * @param[in] *pSrcA points to the first input matrix structure
+ * @param[in] *pSrcB points to the second input matrix structure
+ * @param[out] *pDst points to output matrix structure
+ * @return The function returns either
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+ */
+
+ arm_status arm_mat_mult_f32(
+ const arm_matrix_instance_f32 * pSrcA,
+ const arm_matrix_instance_f32 * pSrcB,
+ arm_matrix_instance_f32 * pDst);
+
+ /**
+ * @brief Q15 matrix multiplication
+ * @param[in] *pSrcA points to the first input matrix structure
+ * @param[in] *pSrcB points to the second input matrix structure
+ * @param[out] *pDst points to output matrix structure
+ * @param[in] *pState points to the array for storing intermediate results
+ * @return The function returns either
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+ */
+
+ arm_status arm_mat_mult_q15(
+ const arm_matrix_instance_q15 * pSrcA,
+ const arm_matrix_instance_q15 * pSrcB,
+ arm_matrix_instance_q15 * pDst,
+ q15_t * pState);
+
+ /**
+ * @brief Q15 matrix multiplication (fast variant) for Cortex-M3 and Cortex-M4
+ * @param[in] *pSrcA points to the first input matrix structure
+ * @param[in] *pSrcB points to the second input matrix structure
+ * @param[out] *pDst points to output matrix structure
+ * @param[in] *pState points to the array for storing intermediate results
+ * @return The function returns either
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+ */
+
+ arm_status arm_mat_mult_fast_q15(
+ const arm_matrix_instance_q15 * pSrcA,
+ const arm_matrix_instance_q15 * pSrcB,
+ arm_matrix_instance_q15 * pDst,
+ q15_t * pState);
+
+ /**
+ * @brief Q31 matrix multiplication
+ * @param[in] *pSrcA points to the first input matrix structure
+ * @param[in] *pSrcB points to the second input matrix structure
+ * @param[out] *pDst points to output matrix structure
+ * @return The function returns either
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+ */
+
+ arm_status arm_mat_mult_q31(
+ const arm_matrix_instance_q31 * pSrcA,
+ const arm_matrix_instance_q31 * pSrcB,
+ arm_matrix_instance_q31 * pDst);
+
+ /**
+ * @brief Q31 matrix multiplication (fast variant) for Cortex-M3 and Cortex-M4
+ * @param[in] *pSrcA points to the first input matrix structure
+ * @param[in] *pSrcB points to the second input matrix structure
+ * @param[out] *pDst points to output matrix structure
+ * @return The function returns either
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+ */
+
+ arm_status arm_mat_mult_fast_q31(
+ const arm_matrix_instance_q31 * pSrcA,
+ const arm_matrix_instance_q31 * pSrcB,
+ arm_matrix_instance_q31 * pDst);
+
+
+ /**
+ * @brief Floating-point matrix subtraction
+ * @param[in] *pSrcA points to the first input matrix structure
+ * @param[in] *pSrcB points to the second input matrix structure
+ * @param[out] *pDst points to output matrix structure
+ * @return The function returns either
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+ */
+
+ arm_status arm_mat_sub_f32(
+ const arm_matrix_instance_f32 * pSrcA,
+ const arm_matrix_instance_f32 * pSrcB,
+ arm_matrix_instance_f32 * pDst);
+
+ /**
+ * @brief Q15 matrix subtraction
+ * @param[in] *pSrcA points to the first input matrix structure
+ * @param[in] *pSrcB points to the second input matrix structure
+ * @param[out] *pDst points to output matrix structure
+ * @return The function returns either
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+ */
+
+ arm_status arm_mat_sub_q15(
+ const arm_matrix_instance_q15 * pSrcA,
+ const arm_matrix_instance_q15 * pSrcB,
+ arm_matrix_instance_q15 * pDst);
+
+ /**
+ * @brief Q31 matrix subtraction
+ * @param[in] *pSrcA points to the first input matrix structure
+ * @param[in] *pSrcB points to the second input matrix structure
+ * @param[out] *pDst points to output matrix structure
+ * @return The function returns either
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+ */
+
+ arm_status arm_mat_sub_q31(
+ const arm_matrix_instance_q31 * pSrcA,
+ const arm_matrix_instance_q31 * pSrcB,
+ arm_matrix_instance_q31 * pDst);
+
+ /**
+ * @brief Floating-point matrix scaling.
+ * @param[in] *pSrc points to the input matrix
+ * @param[in] scale scale factor
+ * @param[out] *pDst points to the output matrix
+ * @return The function returns either
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+ */
+
+ arm_status arm_mat_scale_f32(
+ const arm_matrix_instance_f32 * pSrc,
+ float32_t scale,
+ arm_matrix_instance_f32 * pDst);
+
+ /**
+ * @brief Q15 matrix scaling.
+ * @param[in] *pSrc points to input matrix
+ * @param[in] scaleFract fractional portion of the scale factor
+ * @param[in] shift number of bits to shift the result by
+ * @param[out] *pDst points to output matrix
+ * @return The function returns either
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+ */
+
+ arm_status arm_mat_scale_q15(
+ const arm_matrix_instance_q15 * pSrc,
+ q15_t scaleFract,
+ int32_t shift,
+ arm_matrix_instance_q15 * pDst);
+
+ /**
+ * @brief Q31 matrix scaling.
+ * @param[in] *pSrc points to input matrix
+ * @param[in] scaleFract fractional portion of the scale factor
+ * @param[in] shift number of bits to shift the result by
+ * @param[out] *pDst points to output matrix structure
+ * @return The function returns either
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+ */
+
+ arm_status arm_mat_scale_q31(
+ const arm_matrix_instance_q31 * pSrc,
+ q31_t scaleFract,
+ int32_t shift,
+ arm_matrix_instance_q31 * pDst);
+
+
+ /**
+ * @brief Q31 matrix initialization.
+ * @param[in,out] *S points to an instance of the floating-point matrix structure.
+ * @param[in] nRows number of rows in the matrix.
+ * @param[in] nColumns number of columns in the matrix.
+ * @param[in] *pData points to the matrix data array.
+ * @return none
+ */
+
+ void arm_mat_init_q31(
+ arm_matrix_instance_q31 * S,
+ uint16_t nRows,
+ uint16_t nColumns,
+ q31_t * pData);
+
+ /**
+ * @brief Q15 matrix initialization.
+ * @param[in,out] *S points to an instance of the floating-point matrix structure.
+ * @param[in] nRows number of rows in the matrix.
+ * @param[in] nColumns number of columns in the matrix.
+ * @param[in] *pData points to the matrix data array.
+ * @return none
+ */
+
+ void arm_mat_init_q15(
+ arm_matrix_instance_q15 * S,
+ uint16_t nRows,
+ uint16_t nColumns,
+ q15_t * pData);
+
+ /**
+ * @brief Floating-point matrix initialization.
+ * @param[in,out] *S points to an instance of the floating-point matrix structure.
+ * @param[in] nRows number of rows in the matrix.
+ * @param[in] nColumns number of columns in the matrix.
+ * @param[in] *pData points to the matrix data array.
+ * @return none
+ */
+
+ void arm_mat_init_f32(
+ arm_matrix_instance_f32 * S,
+ uint16_t nRows,
+ uint16_t nColumns,
+ float32_t * pData);
+
+
+
+ /**
+ * @brief Instance structure for the Q15 PID Control.
+ */
+ typedef struct
+ {
+ q15_t A0; /**< The derived gain, A0 = Kp + Ki + Kd . */
+#ifdef ARM_MATH_CM0_FAMILY
+ q15_t A1;
+ q15_t A2;
+#else
+ q31_t A1; /**< The derived gain A1 = -Kp - 2Kd | Kd.*/
+#endif
+ q15_t state[3]; /**< The state array of length 3. */
+ q15_t Kp; /**< The proportional gain. */
+ q15_t Ki; /**< The integral gain. */
+ q15_t Kd; /**< The derivative gain. */
+ } arm_pid_instance_q15;
+
+ /**
+ * @brief Instance structure for the Q31 PID Control.
+ */
+ typedef struct
+ {
+ q31_t A0; /**< The derived gain, A0 = Kp + Ki + Kd . */
+ q31_t A1; /**< The derived gain, A1 = -Kp - 2Kd. */
+ q31_t A2; /**< The derived gain, A2 = Kd . */
+ q31_t state[3]; /**< The state array of length 3. */
+ q31_t Kp; /**< The proportional gain. */
+ q31_t Ki; /**< The integral gain. */
+ q31_t Kd; /**< The derivative gain. */
+
+ } arm_pid_instance_q31;
+
+ /**
+ * @brief Instance structure for the floating-point PID Control.
+ */
+ typedef struct
+ {
+ float32_t A0; /**< The derived gain, A0 = Kp + Ki + Kd . */
+ float32_t A1; /**< The derived gain, A1 = -Kp - 2Kd. */
+ float32_t A2; /**< The derived gain, A2 = Kd . */
+ float32_t state[3]; /**< The state array of length 3. */
+ float32_t Kp; /**< The proportional gain. */
+ float32_t Ki; /**< The integral gain. */
+ float32_t Kd; /**< The derivative gain. */
+ } arm_pid_instance_f32;
+
+
+
+ /**
+ * @brief Initialization function for the floating-point PID Control.
+ * @param[in,out] *S points to an instance of the PID structure.
+ * @param[in] resetStateFlag flag to reset the state. 0 = no change in state 1 = reset the state.
+ * @return none.
+ */
+ void arm_pid_init_f32(
+ arm_pid_instance_f32 * S,
+ int32_t resetStateFlag);
+
+ /**
+ * @brief Reset function for the floating-point PID Control.
+ * @param[in,out] *S is an instance of the floating-point PID Control structure
+ * @return none
+ */
+ void arm_pid_reset_f32(
+ arm_pid_instance_f32 * S);
+
+
+ /**
+ * @brief Initialization function for the Q31 PID Control.
+ * @param[in,out] *S points to an instance of the Q15 PID structure.
+ * @param[in] resetStateFlag flag to reset the state. 0 = no change in state 1 = reset the state.
+ * @return none.
+ */
+ void arm_pid_init_q31(
+ arm_pid_instance_q31 * S,
+ int32_t resetStateFlag);
+
+
+ /**
+ * @brief Reset function for the Q31 PID Control.
+ * @param[in,out] *S points to an instance of the Q31 PID Control structure
+ * @return none
+ */
+
+ void arm_pid_reset_q31(
+ arm_pid_instance_q31 * S);
+
+ /**
+ * @brief Initialization function for the Q15 PID Control.
+ * @param[in,out] *S points to an instance of the Q15 PID structure.
+ * @param[in] resetStateFlag flag to reset the state. 0 = no change in state 1 = reset the state.
+ * @return none.
+ */
+ void arm_pid_init_q15(
+ arm_pid_instance_q15 * S,
+ int32_t resetStateFlag);
+
+ /**
+ * @brief Reset function for the Q15 PID Control.
+ * @param[in,out] *S points to an instance of the q15 PID Control structure
+ * @return none
+ */
+ void arm_pid_reset_q15(
+ arm_pid_instance_q15 * S);
+
+
+ /**
+ * @brief Instance structure for the floating-point Linear Interpolate function.
+ */
+ typedef struct
+ {
+ uint32_t nValues; /**< nValues */
+ float32_t x1; /**< x1 */
+ float32_t xSpacing; /**< xSpacing */
+ float32_t *pYData; /**< pointer to the table of Y values */
+ } arm_linear_interp_instance_f32;
+
+ /**
+ * @brief Instance structure for the floating-point bilinear interpolation function.
+ */
+
+ typedef struct
+ {
+ uint16_t numRows; /**< number of rows in the data table. */
+ uint16_t numCols; /**< number of columns in the data table. */
+ float32_t *pData; /**< points to the data table. */
+ } arm_bilinear_interp_instance_f32;
+
+ /**
+ * @brief Instance structure for the Q31 bilinear interpolation function.
+ */
+
+ typedef struct
+ {
+ uint16_t numRows; /**< number of rows in the data table. */
+ uint16_t numCols; /**< number of columns in the data table. */
+ q31_t *pData; /**< points to the data table. */
+ } arm_bilinear_interp_instance_q31;
+
+ /**
+ * @brief Instance structure for the Q15 bilinear interpolation function.
+ */
+
+ typedef struct
+ {
+ uint16_t numRows; /**< number of rows in the data table. */
+ uint16_t numCols; /**< number of columns in the data table. */
+ q15_t *pData; /**< points to the data table. */
+ } arm_bilinear_interp_instance_q15;
+
+ /**
+ * @brief Instance structure for the Q15 bilinear interpolation function.
+ */
+
+ typedef struct
+ {
+ uint16_t numRows; /**< number of rows in the data table. */
+ uint16_t numCols; /**< number of columns in the data table. */
+ q7_t *pData; /**< points to the data table. */
+ } arm_bilinear_interp_instance_q7;
+
+
+ /**
+ * @brief Q7 vector multiplication.
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in each vector
+ * @return none.
+ */
+
+ void arm_mult_q7(
+ q7_t * pSrcA,
+ q7_t * pSrcB,
+ q7_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Q15 vector multiplication.
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in each vector
+ * @return none.
+ */
+
+ void arm_mult_q15(
+ q15_t * pSrcA,
+ q15_t * pSrcB,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Q31 vector multiplication.
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in each vector
+ * @return none.
+ */
+
+ void arm_mult_q31(
+ q31_t * pSrcA,
+ q31_t * pSrcB,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Floating-point vector multiplication.
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in each vector
+ * @return none.
+ */
+
+ void arm_mult_f32(
+ float32_t * pSrcA,
+ float32_t * pSrcB,
+ float32_t * pDst,
+ uint32_t blockSize);
+
+
+
+
+
+
+ /**
+ * @brief Instance structure for the Q15 CFFT/CIFFT function.
+ */
+
+ typedef struct
+ {
+ uint16_t fftLen; /**< length of the FFT. */
+ uint8_t ifftFlag; /**< flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. */
+ uint8_t bitReverseFlag; /**< flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. */
+ q15_t *pTwiddle; /**< points to the Sin twiddle factor table. */
+ uint16_t *pBitRevTable; /**< points to the bit reversal table. */
+ uint16_t twidCoefModifier; /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */
+ uint16_t bitRevFactor; /**< bit reversal modifier that supports different size FFTs with the same bit reversal table. */
+ } arm_cfft_radix2_instance_q15;
+
+ arm_status arm_cfft_radix2_init_q15(
+ arm_cfft_radix2_instance_q15 * S,
+ uint16_t fftLen,
+ uint8_t ifftFlag,
+ uint8_t bitReverseFlag);
+
+ void arm_cfft_radix2_q15(
+ const arm_cfft_radix2_instance_q15 * S,
+ q15_t * pSrc);
+
+
+
+ /**
+ * @brief Instance structure for the Q15 CFFT/CIFFT function.
+ */
+
+ typedef struct
+ {
+ uint16_t fftLen; /**< length of the FFT. */
+ uint8_t ifftFlag; /**< flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. */
+ uint8_t bitReverseFlag; /**< flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. */
+ q15_t *pTwiddle; /**< points to the twiddle factor table. */
+ uint16_t *pBitRevTable; /**< points to the bit reversal table. */
+ uint16_t twidCoefModifier; /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */
+ uint16_t bitRevFactor; /**< bit reversal modifier that supports different size FFTs with the same bit reversal table. */
+ } arm_cfft_radix4_instance_q15;
+
+ arm_status arm_cfft_radix4_init_q15(
+ arm_cfft_radix4_instance_q15 * S,
+ uint16_t fftLen,
+ uint8_t ifftFlag,
+ uint8_t bitReverseFlag);
+
+ void arm_cfft_radix4_q15(
+ const arm_cfft_radix4_instance_q15 * S,
+ q15_t * pSrc);
+
+ /**
+ * @brief Instance structure for the Radix-2 Q31 CFFT/CIFFT function.
+ */
+
+ typedef struct
+ {
+ uint16_t fftLen; /**< length of the FFT. */
+ uint8_t ifftFlag; /**< flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. */
+ uint8_t bitReverseFlag; /**< flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. */
+ q31_t *pTwiddle; /**< points to the Twiddle factor table. */
+ uint16_t *pBitRevTable; /**< points to the bit reversal table. */
+ uint16_t twidCoefModifier; /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */
+ uint16_t bitRevFactor; /**< bit reversal modifier that supports different size FFTs with the same bit reversal table. */
+ } arm_cfft_radix2_instance_q31;
+
+ arm_status arm_cfft_radix2_init_q31(
+ arm_cfft_radix2_instance_q31 * S,
+ uint16_t fftLen,
+ uint8_t ifftFlag,
+ uint8_t bitReverseFlag);
+
+ void arm_cfft_radix2_q31(
+ const arm_cfft_radix2_instance_q31 * S,
+ q31_t * pSrc);
+
+ /**
+ * @brief Instance structure for the Q31 CFFT/CIFFT function.
+ */
+
+ typedef struct
+ {
+ uint16_t fftLen; /**< length of the FFT. */
+ uint8_t ifftFlag; /**< flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. */
+ uint8_t bitReverseFlag; /**< flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. */
+ q31_t *pTwiddle; /**< points to the twiddle factor table. */
+ uint16_t *pBitRevTable; /**< points to the bit reversal table. */
+ uint16_t twidCoefModifier; /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */
+ uint16_t bitRevFactor; /**< bit reversal modifier that supports different size FFTs with the same bit reversal table. */
+ } arm_cfft_radix4_instance_q31;
+
+
+ void arm_cfft_radix4_q31(
+ const arm_cfft_radix4_instance_q31 * S,
+ q31_t * pSrc);
+
+ arm_status arm_cfft_radix4_init_q31(
+ arm_cfft_radix4_instance_q31 * S,
+ uint16_t fftLen,
+ uint8_t ifftFlag,
+ uint8_t bitReverseFlag);
+
+ /**
+ * @brief Instance structure for the floating-point CFFT/CIFFT function.
+ */
+
+ typedef struct
+ {
+ uint16_t fftLen; /**< length of the FFT. */
+ uint8_t ifftFlag; /**< flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. */
+ uint8_t bitReverseFlag; /**< flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. */
+ float32_t *pTwiddle; /**< points to the Twiddle factor table. */
+ uint16_t *pBitRevTable; /**< points to the bit reversal table. */
+ uint16_t twidCoefModifier; /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */
+ uint16_t bitRevFactor; /**< bit reversal modifier that supports different size FFTs with the same bit reversal table. */
+ float32_t onebyfftLen; /**< value of 1/fftLen. */
+ } arm_cfft_radix2_instance_f32;
+
+/* Deprecated */
+ arm_status arm_cfft_radix2_init_f32(
+ arm_cfft_radix2_instance_f32 * S,
+ uint16_t fftLen,
+ uint8_t ifftFlag,
+ uint8_t bitReverseFlag);
+
+/* Deprecated */
+ void arm_cfft_radix2_f32(
+ const arm_cfft_radix2_instance_f32 * S,
+ float32_t * pSrc);
+
+ /**
+ * @brief Instance structure for the floating-point CFFT/CIFFT function.
+ */
+
+ typedef struct
+ {
+ uint16_t fftLen; /**< length of the FFT. */
+ uint8_t ifftFlag; /**< flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. */
+ uint8_t bitReverseFlag; /**< flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. */
+ float32_t *pTwiddle; /**< points to the Twiddle factor table. */
+ uint16_t *pBitRevTable; /**< points to the bit reversal table. */
+ uint16_t twidCoefModifier; /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */
+ uint16_t bitRevFactor; /**< bit reversal modifier that supports different size FFTs with the same bit reversal table. */
+ float32_t onebyfftLen; /**< value of 1/fftLen. */
+ } arm_cfft_radix4_instance_f32;
+
+/* Deprecated */
+ arm_status arm_cfft_radix4_init_f32(
+ arm_cfft_radix4_instance_f32 * S,
+ uint16_t fftLen,
+ uint8_t ifftFlag,
+ uint8_t bitReverseFlag);
+
+/* Deprecated */
+ void arm_cfft_radix4_f32(
+ const arm_cfft_radix4_instance_f32 * S,
+ float32_t * pSrc);
+
+ /**
+ * @brief Instance structure for the floating-point CFFT/CIFFT function.
+ */
+
+ typedef struct
+ {
+ uint16_t fftLen; /**< length of the FFT. */
+ const float32_t *pTwiddle; /**< points to the Twiddle factor table. */
+ const uint16_t *pBitRevTable; /**< points to the bit reversal table. */
+ uint16_t bitRevLength; /**< bit reversal table length. */
+ } arm_cfft_instance_f32;
+
+ void arm_cfft_f32(
+ const arm_cfft_instance_f32 * S,
+ float32_t * p1,
+ uint8_t ifftFlag,
+ uint8_t bitReverseFlag);
+
+ /**
+ * @brief Instance structure for the Q15 RFFT/RIFFT function.
+ */
+
+ typedef struct
+ {
+ uint32_t fftLenReal; /**< length of the real FFT. */
+ uint32_t fftLenBy2; /**< length of the complex FFT. */
+ uint8_t ifftFlagR; /**< flag that selects forward (ifftFlagR=0) or inverse (ifftFlagR=1) transform. */
+ uint8_t bitReverseFlagR; /**< flag that enables (bitReverseFlagR=1) or disables (bitReverseFlagR=0) bit reversal of output. */
+ uint32_t twidCoefRModifier; /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */
+ q15_t *pTwiddleAReal; /**< points to the real twiddle factor table. */
+ q15_t *pTwiddleBReal; /**< points to the imag twiddle factor table. */
+ arm_cfft_radix4_instance_q15 *pCfft; /**< points to the complex FFT instance. */
+ } arm_rfft_instance_q15;
+
+ arm_status arm_rfft_init_q15(
+ arm_rfft_instance_q15 * S,
+ arm_cfft_radix4_instance_q15 * S_CFFT,
+ uint32_t fftLenReal,
+ uint32_t ifftFlagR,
+ uint32_t bitReverseFlag);
+
+ void arm_rfft_q15(
+ const arm_rfft_instance_q15 * S,
+ q15_t * pSrc,
+ q15_t * pDst);
+
+ /**
+ * @brief Instance structure for the Q31 RFFT/RIFFT function.
+ */
+
+ typedef struct
+ {
+ uint32_t fftLenReal; /**< length of the real FFT. */
+ uint32_t fftLenBy2; /**< length of the complex FFT. */
+ uint8_t ifftFlagR; /**< flag that selects forward (ifftFlagR=0) or inverse (ifftFlagR=1) transform. */
+ uint8_t bitReverseFlagR; /**< flag that enables (bitReverseFlagR=1) or disables (bitReverseFlagR=0) bit reversal of output. */
+ uint32_t twidCoefRModifier; /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */
+ q31_t *pTwiddleAReal; /**< points to the real twiddle factor table. */
+ q31_t *pTwiddleBReal; /**< points to the imag twiddle factor table. */
+ arm_cfft_radix4_instance_q31 *pCfft; /**< points to the complex FFT instance. */
+ } arm_rfft_instance_q31;
+
+ arm_status arm_rfft_init_q31(
+ arm_rfft_instance_q31 * S,
+ arm_cfft_radix4_instance_q31 * S_CFFT,
+ uint32_t fftLenReal,
+ uint32_t ifftFlagR,
+ uint32_t bitReverseFlag);
+
+ void arm_rfft_q31(
+ const arm_rfft_instance_q31 * S,
+ q31_t * pSrc,
+ q31_t * pDst);
+
+ /**
+ * @brief Instance structure for the floating-point RFFT/RIFFT function.
+ */
+
+ typedef struct
+ {
+ uint32_t fftLenReal; /**< length of the real FFT. */
+ uint16_t fftLenBy2; /**< length of the complex FFT. */
+ uint8_t ifftFlagR; /**< flag that selects forward (ifftFlagR=0) or inverse (ifftFlagR=1) transform. */
+ uint8_t bitReverseFlagR; /**< flag that enables (bitReverseFlagR=1) or disables (bitReverseFlagR=0) bit reversal of output. */
+ uint32_t twidCoefRModifier; /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */
+ float32_t *pTwiddleAReal; /**< points to the real twiddle factor table. */
+ float32_t *pTwiddleBReal; /**< points to the imag twiddle factor table. */
+ arm_cfft_radix4_instance_f32 *pCfft; /**< points to the complex FFT instance. */
+ } arm_rfft_instance_f32;
+
+ arm_status arm_rfft_init_f32(
+ arm_rfft_instance_f32 * S,
+ arm_cfft_radix4_instance_f32 * S_CFFT,
+ uint32_t fftLenReal,
+ uint32_t ifftFlagR,
+ uint32_t bitReverseFlag);
+
+ void arm_rfft_f32(
+ const arm_rfft_instance_f32 * S,
+ float32_t * pSrc,
+ float32_t * pDst);
+
+ /**
+ * @brief Instance structure for the floating-point RFFT/RIFFT function.
+ */
+
+typedef struct
+ {
+ arm_cfft_instance_f32 Sint; /**< Internal CFFT structure. */
+ uint16_t fftLenRFFT; /**< length of the real sequence */
+ float32_t * pTwiddleRFFT; /**< Twiddle factors real stage */
+ } arm_rfft_fast_instance_f32 ;
+
+arm_status arm_rfft_fast_init_f32 (
+ arm_rfft_fast_instance_f32 * S,
+ uint16_t fftLen);
+
+void arm_rfft_fast_f32(
+ arm_rfft_fast_instance_f32 * S,
+ float32_t * p, float32_t * pOut,
+ uint8_t ifftFlag);
+
+ /**
+ * @brief Instance structure for the floating-point DCT4/IDCT4 function.
+ */
+
+ typedef struct
+ {
+ uint16_t N; /**< length of the DCT4. */
+ uint16_t Nby2; /**< half of the length of the DCT4. */
+ float32_t normalize; /**< normalizing factor. */
+ float32_t *pTwiddle; /**< points to the twiddle factor table. */
+ float32_t *pCosFactor; /**< points to the cosFactor table. */
+ arm_rfft_instance_f32 *pRfft; /**< points to the real FFT instance. */
+ arm_cfft_radix4_instance_f32 *pCfft; /**< points to the complex FFT instance. */
+ } arm_dct4_instance_f32;
+
+ /**
+ * @brief Initialization function for the floating-point DCT4/IDCT4.
+ * @param[in,out] *S points to an instance of floating-point DCT4/IDCT4 structure.
+ * @param[in] *S_RFFT points to an instance of floating-point RFFT/RIFFT structure.
+ * @param[in] *S_CFFT points to an instance of floating-point CFFT/CIFFT structure.
+ * @param[in] N length of the DCT4.
+ * @param[in] Nby2 half of the length of the DCT4.
+ * @param[in] normalize normalizing factor.
+ * @return arm_status function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_ARGUMENT_ERROR if fftLenReal is not a supported transform length.
+ */
+
+ arm_status arm_dct4_init_f32(
+ arm_dct4_instance_f32 * S,
+ arm_rfft_instance_f32 * S_RFFT,
+ arm_cfft_radix4_instance_f32 * S_CFFT,
+ uint16_t N,
+ uint16_t Nby2,
+ float32_t normalize);
+
+ /**
+ * @brief Processing function for the floating-point DCT4/IDCT4.
+ * @param[in] *S points to an instance of the floating-point DCT4/IDCT4 structure.
+ * @param[in] *pState points to state buffer.
+ * @param[in,out] *pInlineBuffer points to the in-place input and output buffer.
+ * @return none.
+ */
+
+ void arm_dct4_f32(
+ const arm_dct4_instance_f32 * S,
+ float32_t * pState,
+ float32_t * pInlineBuffer);
+
+ /**
+ * @brief Instance structure for the Q31 DCT4/IDCT4 function.
+ */
+
+ typedef struct
+ {
+ uint16_t N; /**< length of the DCT4. */
+ uint16_t Nby2; /**< half of the length of the DCT4. */
+ q31_t normalize; /**< normalizing factor. */
+ q31_t *pTwiddle; /**< points to the twiddle factor table. */
+ q31_t *pCosFactor; /**< points to the cosFactor table. */
+ arm_rfft_instance_q31 *pRfft; /**< points to the real FFT instance. */
+ arm_cfft_radix4_instance_q31 *pCfft; /**< points to the complex FFT instance. */
+ } arm_dct4_instance_q31;
+
+ /**
+ * @brief Initialization function for the Q31 DCT4/IDCT4.
+ * @param[in,out] *S points to an instance of Q31 DCT4/IDCT4 structure.
+ * @param[in] *S_RFFT points to an instance of Q31 RFFT/RIFFT structure
+ * @param[in] *S_CFFT points to an instance of Q31 CFFT/CIFFT structure
+ * @param[in] N length of the DCT4.
+ * @param[in] Nby2 half of the length of the DCT4.
+ * @param[in] normalize normalizing factor.
+ * @return arm_status function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_ARGUMENT_ERROR if N is not a supported transform length.
+ */
+
+ arm_status arm_dct4_init_q31(
+ arm_dct4_instance_q31 * S,
+ arm_rfft_instance_q31 * S_RFFT,
+ arm_cfft_radix4_instance_q31 * S_CFFT,
+ uint16_t N,
+ uint16_t Nby2,
+ q31_t normalize);
+
+ /**
+ * @brief Processing function for the Q31 DCT4/IDCT4.
+ * @param[in] *S points to an instance of the Q31 DCT4 structure.
+ * @param[in] *pState points to state buffer.
+ * @param[in,out] *pInlineBuffer points to the in-place input and output buffer.
+ * @return none.
+ */
+
+ void arm_dct4_q31(
+ const arm_dct4_instance_q31 * S,
+ q31_t * pState,
+ q31_t * pInlineBuffer);
+
+ /**
+ * @brief Instance structure for the Q15 DCT4/IDCT4 function.
+ */
+
+ typedef struct
+ {
+ uint16_t N; /**< length of the DCT4. */
+ uint16_t Nby2; /**< half of the length of the DCT4. */
+ q15_t normalize; /**< normalizing factor. */
+ q15_t *pTwiddle; /**< points to the twiddle factor table. */
+ q15_t *pCosFactor; /**< points to the cosFactor table. */
+ arm_rfft_instance_q15 *pRfft; /**< points to the real FFT instance. */
+ arm_cfft_radix4_instance_q15 *pCfft; /**< points to the complex FFT instance. */
+ } arm_dct4_instance_q15;
+
+ /**
+ * @brief Initialization function for the Q15 DCT4/IDCT4.
+ * @param[in,out] *S points to an instance of Q15 DCT4/IDCT4 structure.
+ * @param[in] *S_RFFT points to an instance of Q15 RFFT/RIFFT structure.
+ * @param[in] *S_CFFT points to an instance of Q15 CFFT/CIFFT structure.
+ * @param[in] N length of the DCT4.
+ * @param[in] Nby2 half of the length of the DCT4.
+ * @param[in] normalize normalizing factor.
+ * @return arm_status function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_ARGUMENT_ERROR if N is not a supported transform length.
+ */
+
+ arm_status arm_dct4_init_q15(
+ arm_dct4_instance_q15 * S,
+ arm_rfft_instance_q15 * S_RFFT,
+ arm_cfft_radix4_instance_q15 * S_CFFT,
+ uint16_t N,
+ uint16_t Nby2,
+ q15_t normalize);
+
+ /**
+ * @brief Processing function for the Q15 DCT4/IDCT4.
+ * @param[in] *S points to an instance of the Q15 DCT4 structure.
+ * @param[in] *pState points to state buffer.
+ * @param[in,out] *pInlineBuffer points to the in-place input and output buffer.
+ * @return none.
+ */
+
+ void arm_dct4_q15(
+ const arm_dct4_instance_q15 * S,
+ q15_t * pState,
+ q15_t * pInlineBuffer);
+
+ /**
+ * @brief Floating-point vector addition.
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in each vector
+ * @return none.
+ */
+
+ void arm_add_f32(
+ float32_t * pSrcA,
+ float32_t * pSrcB,
+ float32_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Q7 vector addition.
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in each vector
+ * @return none.
+ */
+
+ void arm_add_q7(
+ q7_t * pSrcA,
+ q7_t * pSrcB,
+ q7_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Q15 vector addition.
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in each vector
+ * @return none.
+ */
+
+ void arm_add_q15(
+ q15_t * pSrcA,
+ q15_t * pSrcB,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Q31 vector addition.
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in each vector
+ * @return none.
+ */
+
+ void arm_add_q31(
+ q31_t * pSrcA,
+ q31_t * pSrcB,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Floating-point vector subtraction.
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in each vector
+ * @return none.
+ */
+
+ void arm_sub_f32(
+ float32_t * pSrcA,
+ float32_t * pSrcB,
+ float32_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Q7 vector subtraction.
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in each vector
+ * @return none.
+ */
+
+ void arm_sub_q7(
+ q7_t * pSrcA,
+ q7_t * pSrcB,
+ q7_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Q15 vector subtraction.
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in each vector
+ * @return none.
+ */
+
+ void arm_sub_q15(
+ q15_t * pSrcA,
+ q15_t * pSrcB,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Q31 vector subtraction.
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in each vector
+ * @return none.
+ */
+
+ void arm_sub_q31(
+ q31_t * pSrcA,
+ q31_t * pSrcB,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Multiplies a floating-point vector by a scalar.
+ * @param[in] *pSrc points to the input vector
+ * @param[in] scale scale factor to be applied
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in the vector
+ * @return none.
+ */
+
+ void arm_scale_f32(
+ float32_t * pSrc,
+ float32_t scale,
+ float32_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Multiplies a Q7 vector by a scalar.
+ * @param[in] *pSrc points to the input vector
+ * @param[in] scaleFract fractional portion of the scale value
+ * @param[in] shift number of bits to shift the result by
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in the vector
+ * @return none.
+ */
+
+ void arm_scale_q7(
+ q7_t * pSrc,
+ q7_t scaleFract,
+ int8_t shift,
+ q7_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Multiplies a Q15 vector by a scalar.
+ * @param[in] *pSrc points to the input vector
+ * @param[in] scaleFract fractional portion of the scale value
+ * @param[in] shift number of bits to shift the result by
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in the vector
+ * @return none.
+ */
+
+ void arm_scale_q15(
+ q15_t * pSrc,
+ q15_t scaleFract,
+ int8_t shift,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Multiplies a Q31 vector by a scalar.
+ * @param[in] *pSrc points to the input vector
+ * @param[in] scaleFract fractional portion of the scale value
+ * @param[in] shift number of bits to shift the result by
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in the vector
+ * @return none.
+ */
+
+ void arm_scale_q31(
+ q31_t * pSrc,
+ q31_t scaleFract,
+ int8_t shift,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Q7 vector absolute value.
+ * @param[in] *pSrc points to the input buffer
+ * @param[out] *pDst points to the output buffer
+ * @param[in] blockSize number of samples in each vector
+ * @return none.
+ */
+
+ void arm_abs_q7(
+ q7_t * pSrc,
+ q7_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Floating-point vector absolute value.
+ * @param[in] *pSrc points to the input buffer
+ * @param[out] *pDst points to the output buffer
+ * @param[in] blockSize number of samples in each vector
+ * @return none.
+ */
+
+ void arm_abs_f32(
+ float32_t * pSrc,
+ float32_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Q15 vector absolute value.
+ * @param[in] *pSrc points to the input buffer
+ * @param[out] *pDst points to the output buffer
+ * @param[in] blockSize number of samples in each vector
+ * @return none.
+ */
+
+ void arm_abs_q15(
+ q15_t * pSrc,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Q31 vector absolute value.
+ * @param[in] *pSrc points to the input buffer
+ * @param[out] *pDst points to the output buffer
+ * @param[in] blockSize number of samples in each vector
+ * @return none.
+ */
+
+ void arm_abs_q31(
+ q31_t * pSrc,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Dot product of floating-point vectors.
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[in] blockSize number of samples in each vector
+ * @param[out] *result output result returned here
+ * @return none.
+ */
+
+ void arm_dot_prod_f32(
+ float32_t * pSrcA,
+ float32_t * pSrcB,
+ uint32_t blockSize,
+ float32_t * result);
+
+ /**
+ * @brief Dot product of Q7 vectors.
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[in] blockSize number of samples in each vector
+ * @param[out] *result output result returned here
+ * @return none.
+ */
+
+ void arm_dot_prod_q7(
+ q7_t * pSrcA,
+ q7_t * pSrcB,
+ uint32_t blockSize,
+ q31_t * result);
+
+ /**
+ * @brief Dot product of Q15 vectors.
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[in] blockSize number of samples in each vector
+ * @param[out] *result output result returned here
+ * @return none.
+ */
+
+ void arm_dot_prod_q15(
+ q15_t * pSrcA,
+ q15_t * pSrcB,
+ uint32_t blockSize,
+ q63_t * result);
+
+ /**
+ * @brief Dot product of Q31 vectors.
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[in] blockSize number of samples in each vector
+ * @param[out] *result output result returned here
+ * @return none.
+ */
+
+ void arm_dot_prod_q31(
+ q31_t * pSrcA,
+ q31_t * pSrcB,
+ uint32_t blockSize,
+ q63_t * result);
+
+ /**
+ * @brief Shifts the elements of a Q7 vector a specified number of bits.
+ * @param[in] *pSrc points to the input vector
+ * @param[in] shiftBits number of bits to shift. A positive value shifts left; a negative value shifts right.
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in the vector
+ * @return none.
+ */
+
+ void arm_shift_q7(
+ q7_t * pSrc,
+ int8_t shiftBits,
+ q7_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Shifts the elements of a Q15 vector a specified number of bits.
+ * @param[in] *pSrc points to the input vector
+ * @param[in] shiftBits number of bits to shift. A positive value shifts left; a negative value shifts right.
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in the vector
+ * @return none.
+ */
+
+ void arm_shift_q15(
+ q15_t * pSrc,
+ int8_t shiftBits,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Shifts the elements of a Q31 vector a specified number of bits.
+ * @param[in] *pSrc points to the input vector
+ * @param[in] shiftBits number of bits to shift. A positive value shifts left; a negative value shifts right.
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in the vector
+ * @return none.
+ */
+
+ void arm_shift_q31(
+ q31_t * pSrc,
+ int8_t shiftBits,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Adds a constant offset to a floating-point vector.
+ * @param[in] *pSrc points to the input vector
+ * @param[in] offset is the offset to be added
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in the vector
+ * @return none.
+ */
+
+ void arm_offset_f32(
+ float32_t * pSrc,
+ float32_t offset,
+ float32_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Adds a constant offset to a Q7 vector.
+ * @param[in] *pSrc points to the input vector
+ * @param[in] offset is the offset to be added
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in the vector
+ * @return none.
+ */
+
+ void arm_offset_q7(
+ q7_t * pSrc,
+ q7_t offset,
+ q7_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Adds a constant offset to a Q15 vector.
+ * @param[in] *pSrc points to the input vector
+ * @param[in] offset is the offset to be added
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in the vector
+ * @return none.
+ */
+
+ void arm_offset_q15(
+ q15_t * pSrc,
+ q15_t offset,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Adds a constant offset to a Q31 vector.
+ * @param[in] *pSrc points to the input vector
+ * @param[in] offset is the offset to be added
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in the vector
+ * @return none.
+ */
+
+ void arm_offset_q31(
+ q31_t * pSrc,
+ q31_t offset,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Negates the elements of a floating-point vector.
+ * @param[in] *pSrc points to the input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in the vector
+ * @return none.
+ */
+
+ void arm_negate_f32(
+ float32_t * pSrc,
+ float32_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Negates the elements of a Q7 vector.
+ * @param[in] *pSrc points to the input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in the vector
+ * @return none.
+ */
+
+ void arm_negate_q7(
+ q7_t * pSrc,
+ q7_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Negates the elements of a Q15 vector.
+ * @param[in] *pSrc points to the input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in the vector
+ * @return none.
+ */
+
+ void arm_negate_q15(
+ q15_t * pSrc,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Negates the elements of a Q31 vector.
+ * @param[in] *pSrc points to the input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in the vector
+ * @return none.
+ */
+
+ void arm_negate_q31(
+ q31_t * pSrc,
+ q31_t * pDst,
+ uint32_t blockSize);
+ /**
+ * @brief Copies the elements of a floating-point vector.
+ * @param[in] *pSrc input pointer
+ * @param[out] *pDst output pointer
+ * @param[in] blockSize number of samples to process
+ * @return none.
+ */
+ void arm_copy_f32(
+ float32_t * pSrc,
+ float32_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Copies the elements of a Q7 vector.
+ * @param[in] *pSrc input pointer
+ * @param[out] *pDst output pointer
+ * @param[in] blockSize number of samples to process
+ * @return none.
+ */
+ void arm_copy_q7(
+ q7_t * pSrc,
+ q7_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Copies the elements of a Q15 vector.
+ * @param[in] *pSrc input pointer
+ * @param[out] *pDst output pointer
+ * @param[in] blockSize number of samples to process
+ * @return none.
+ */
+ void arm_copy_q15(
+ q15_t * pSrc,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Copies the elements of a Q31 vector.
+ * @param[in] *pSrc input pointer
+ * @param[out] *pDst output pointer
+ * @param[in] blockSize number of samples to process
+ * @return none.
+ */
+ void arm_copy_q31(
+ q31_t * pSrc,
+ q31_t * pDst,
+ uint32_t blockSize);
+ /**
+ * @brief Fills a constant value into a floating-point vector.
+ * @param[in] value input value to be filled
+ * @param[out] *pDst output pointer
+ * @param[in] blockSize number of samples to process
+ * @return none.
+ */
+ void arm_fill_f32(
+ float32_t value,
+ float32_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Fills a constant value into a Q7 vector.
+ * @param[in] value input value to be filled
+ * @param[out] *pDst output pointer
+ * @param[in] blockSize number of samples to process
+ * @return none.
+ */
+ void arm_fill_q7(
+ q7_t value,
+ q7_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Fills a constant value into a Q15 vector.
+ * @param[in] value input value to be filled
+ * @param[out] *pDst output pointer
+ * @param[in] blockSize number of samples to process
+ * @return none.
+ */
+ void arm_fill_q15(
+ q15_t value,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Fills a constant value into a Q31 vector.
+ * @param[in] value input value to be filled
+ * @param[out] *pDst output pointer
+ * @param[in] blockSize number of samples to process
+ * @return none.
+ */
+ void arm_fill_q31(
+ q31_t value,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+/**
+ * @brief Convolution of floating-point sequences.
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the location where the output result is written. Length srcALen+srcBLen-1.
+ * @return none.
+ */
+
+ void arm_conv_f32(
+ float32_t * pSrcA,
+ uint32_t srcALen,
+ float32_t * pSrcB,
+ uint32_t srcBLen,
+ float32_t * pDst);
+
+
+ /**
+ * @brief Convolution of Q15 sequences.
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data Length srcALen+srcBLen-1.
+ * @param[in] *pScratch1 points to scratch buffer of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.
+ * @param[in] *pScratch2 points to scratch buffer of size min(srcALen, srcBLen).
+ * @return none.
+ */
+
+
+ void arm_conv_opt_q15(
+ q15_t * pSrcA,
+ uint32_t srcALen,
+ q15_t * pSrcB,
+ uint32_t srcBLen,
+ q15_t * pDst,
+ q15_t * pScratch1,
+ q15_t * pScratch2);
+
+
+/**
+ * @brief Convolution of Q15 sequences.
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the location where the output result is written. Length srcALen+srcBLen-1.
+ * @return none.
+ */
+
+ void arm_conv_q15(
+ q15_t * pSrcA,
+ uint32_t srcALen,
+ q15_t * pSrcB,
+ uint32_t srcBLen,
+ q15_t * pDst);
+
+ /**
+ * @brief Convolution of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data Length srcALen+srcBLen-1.
+ * @return none.
+ */
+
+ void arm_conv_fast_q15(
+ q15_t * pSrcA,
+ uint32_t srcALen,
+ q15_t * pSrcB,
+ uint32_t srcBLen,
+ q15_t * pDst);
+
+ /**
+ * @brief Convolution of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data Length srcALen+srcBLen-1.
+ * @param[in] *pScratch1 points to scratch buffer of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.
+ * @param[in] *pScratch2 points to scratch buffer of size min(srcALen, srcBLen).
+ * @return none.
+ */
+
+ void arm_conv_fast_opt_q15(
+ q15_t * pSrcA,
+ uint32_t srcALen,
+ q15_t * pSrcB,
+ uint32_t srcBLen,
+ q15_t * pDst,
+ q15_t * pScratch1,
+ q15_t * pScratch2);
+
+
+
+ /**
+ * @brief Convolution of Q31 sequences.
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data Length srcALen+srcBLen-1.
+ * @return none.
+ */
+
+ void arm_conv_q31(
+ q31_t * pSrcA,
+ uint32_t srcALen,
+ q31_t * pSrcB,
+ uint32_t srcBLen,
+ q31_t * pDst);
+
+ /**
+ * @brief Convolution of Q31 sequences (fast version) for Cortex-M3 and Cortex-M4
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data Length srcALen+srcBLen-1.
+ * @return none.
+ */
+
+ void arm_conv_fast_q31(
+ q31_t * pSrcA,
+ uint32_t srcALen,
+ q31_t * pSrcB,
+ uint32_t srcBLen,
+ q31_t * pDst);
+
+
+ /**
+ * @brief Convolution of Q7 sequences.
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data Length srcALen+srcBLen-1.
+ * @param[in] *pScratch1 points to scratch buffer(of type q15_t) of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.
+ * @param[in] *pScratch2 points to scratch buffer (of type q15_t) of size min(srcALen, srcBLen).
+ * @return none.
+ */
+
+ void arm_conv_opt_q7(
+ q7_t * pSrcA,
+ uint32_t srcALen,
+ q7_t * pSrcB,
+ uint32_t srcBLen,
+ q7_t * pDst,
+ q15_t * pScratch1,
+ q15_t * pScratch2);
+
+
+
+ /**
+ * @brief Convolution of Q7 sequences.
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data Length srcALen+srcBLen-1.
+ * @return none.
+ */
+
+ void arm_conv_q7(
+ q7_t * pSrcA,
+ uint32_t srcALen,
+ q7_t * pSrcB,
+ uint32_t srcBLen,
+ q7_t * pDst);
+
+
+ /**
+ * @brief Partial convolution of floating-point sequences.
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] firstIndex is the first output sample to start with.
+ * @param[in] numPoints is the number of output points to be computed.
+ * @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
+ */
+
+ arm_status arm_conv_partial_f32(
+ float32_t * pSrcA,
+ uint32_t srcALen,
+ float32_t * pSrcB,
+ uint32_t srcBLen,
+ float32_t * pDst,
+ uint32_t firstIndex,
+ uint32_t numPoints);
+
+ /**
+ * @brief Partial convolution of Q15 sequences.
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] firstIndex is the first output sample to start with.
+ * @param[in] numPoints is the number of output points to be computed.
+ * @param[in] * pScratch1 points to scratch buffer of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.
+ * @param[in] * pScratch2 points to scratch buffer of size min(srcALen, srcBLen).
+ * @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
+ */
+
+ arm_status arm_conv_partial_opt_q15(
+ q15_t * pSrcA,
+ uint32_t srcALen,
+ q15_t * pSrcB,
+ uint32_t srcBLen,
+ q15_t * pDst,
+ uint32_t firstIndex,
+ uint32_t numPoints,
+ q15_t * pScratch1,
+ q15_t * pScratch2);
+
+
+/**
+ * @brief Partial convolution of Q15 sequences.
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] firstIndex is the first output sample to start with.
+ * @param[in] numPoints is the number of output points to be computed.
+ * @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
+ */
+
+ arm_status arm_conv_partial_q15(
+ q15_t * pSrcA,
+ uint32_t srcALen,
+ q15_t * pSrcB,
+ uint32_t srcBLen,
+ q15_t * pDst,
+ uint32_t firstIndex,
+ uint32_t numPoints);
+
+ /**
+ * @brief Partial convolution of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] firstIndex is the first output sample to start with.
+ * @param[in] numPoints is the number of output points to be computed.
+ * @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
+ */
+
+ arm_status arm_conv_partial_fast_q15(
+ q15_t * pSrcA,
+ uint32_t srcALen,
+ q15_t * pSrcB,
+ uint32_t srcBLen,
+ q15_t * pDst,
+ uint32_t firstIndex,
+ uint32_t numPoints);
+
+
+ /**
+ * @brief Partial convolution of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] firstIndex is the first output sample to start with.
+ * @param[in] numPoints is the number of output points to be computed.
+ * @param[in] * pScratch1 points to scratch buffer of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.
+ * @param[in] * pScratch2 points to scratch buffer of size min(srcALen, srcBLen).
+ * @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
+ */
+
+ arm_status arm_conv_partial_fast_opt_q15(
+ q15_t * pSrcA,
+ uint32_t srcALen,
+ q15_t * pSrcB,
+ uint32_t srcBLen,
+ q15_t * pDst,
+ uint32_t firstIndex,
+ uint32_t numPoints,
+ q15_t * pScratch1,
+ q15_t * pScratch2);
+
+
+ /**
+ * @brief Partial convolution of Q31 sequences.
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] firstIndex is the first output sample to start with.
+ * @param[in] numPoints is the number of output points to be computed.
+ * @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
+ */
+
+ arm_status arm_conv_partial_q31(
+ q31_t * pSrcA,
+ uint32_t srcALen,
+ q31_t * pSrcB,
+ uint32_t srcBLen,
+ q31_t * pDst,
+ uint32_t firstIndex,
+ uint32_t numPoints);
+
+
+ /**
+ * @brief Partial convolution of Q31 sequences (fast version) for Cortex-M3 and Cortex-M4
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] firstIndex is the first output sample to start with.
+ * @param[in] numPoints is the number of output points to be computed.
+ * @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
+ */
+
+ arm_status arm_conv_partial_fast_q31(
+ q31_t * pSrcA,
+ uint32_t srcALen,
+ q31_t * pSrcB,
+ uint32_t srcBLen,
+ q31_t * pDst,
+ uint32_t firstIndex,
+ uint32_t numPoints);
+
+
+ /**
+ * @brief Partial convolution of Q7 sequences
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] firstIndex is the first output sample to start with.
+ * @param[in] numPoints is the number of output points to be computed.
+ * @param[in] *pScratch1 points to scratch buffer(of type q15_t) of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.
+ * @param[in] *pScratch2 points to scratch buffer (of type q15_t) of size min(srcALen, srcBLen).
+ * @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
+ */
+
+ arm_status arm_conv_partial_opt_q7(
+ q7_t * pSrcA,
+ uint32_t srcALen,
+ q7_t * pSrcB,
+ uint32_t srcBLen,
+ q7_t * pDst,
+ uint32_t firstIndex,
+ uint32_t numPoints,
+ q15_t * pScratch1,
+ q15_t * pScratch2);
+
+
+/**
+ * @brief Partial convolution of Q7 sequences.
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] firstIndex is the first output sample to start with.
+ * @param[in] numPoints is the number of output points to be computed.
+ * @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
+ */
+
+ arm_status arm_conv_partial_q7(
+ q7_t * pSrcA,
+ uint32_t srcALen,
+ q7_t * pSrcB,
+ uint32_t srcBLen,
+ q7_t * pDst,
+ uint32_t firstIndex,
+ uint32_t numPoints);
+
+
+
+ /**
+ * @brief Instance structure for the Q15 FIR decimator.
+ */
+
+ typedef struct
+ {
+ uint8_t M; /**< decimation factor. */
+ uint16_t numTaps; /**< number of coefficients in the filter. */
+ q15_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps.*/
+ q15_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
+ } arm_fir_decimate_instance_q15;
+
+ /**
+ * @brief Instance structure for the Q31 FIR decimator.
+ */
+
+ typedef struct
+ {
+ uint8_t M; /**< decimation factor. */
+ uint16_t numTaps; /**< number of coefficients in the filter. */
+ q31_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps.*/
+ q31_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
+
+ } arm_fir_decimate_instance_q31;
+
+ /**
+ * @brief Instance structure for the floating-point FIR decimator.
+ */
+
+ typedef struct
+ {
+ uint8_t M; /**< decimation factor. */
+ uint16_t numTaps; /**< number of coefficients in the filter. */
+ float32_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps.*/
+ float32_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
+
+ } arm_fir_decimate_instance_f32;
+
+
+
+ /**
+ * @brief Processing function for the floating-point FIR decimator.
+ * @param[in] *S points to an instance of the floating-point FIR decimator structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] blockSize number of input samples to process per call.
+ * @return none
+ */
+
+ void arm_fir_decimate_f32(
+ const arm_fir_decimate_instance_f32 * S,
+ float32_t * pSrc,
+ float32_t * pDst,
+ uint32_t blockSize);
+
+
+ /**
+ * @brief Initialization function for the floating-point FIR decimator.
+ * @param[in,out] *S points to an instance of the floating-point FIR decimator structure.
+ * @param[in] numTaps number of coefficients in the filter.
+ * @param[in] M decimation factor.
+ * @param[in] *pCoeffs points to the filter coefficients.
+ * @param[in] *pState points to the state buffer.
+ * @param[in] blockSize number of input samples to process per call.
+ * @return The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_LENGTH_ERROR if
+ * blockSize is not a multiple of M.
+ */
+
+ arm_status arm_fir_decimate_init_f32(
+ arm_fir_decimate_instance_f32 * S,
+ uint16_t numTaps,
+ uint8_t M,
+ float32_t * pCoeffs,
+ float32_t * pState,
+ uint32_t blockSize);
+
+ /**
+ * @brief Processing function for the Q15 FIR decimator.
+ * @param[in] *S points to an instance of the Q15 FIR decimator structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] blockSize number of input samples to process per call.
+ * @return none
+ */
+
+ void arm_fir_decimate_q15(
+ const arm_fir_decimate_instance_q15 * S,
+ q15_t * pSrc,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Processing function for the Q15 FIR decimator (fast variant) for Cortex-M3 and Cortex-M4.
+ * @param[in] *S points to an instance of the Q15 FIR decimator structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] blockSize number of input samples to process per call.
+ * @return none
+ */
+
+ void arm_fir_decimate_fast_q15(
+ const arm_fir_decimate_instance_q15 * S,
+ q15_t * pSrc,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+
+
+ /**
+ * @brief Initialization function for the Q15 FIR decimator.
+ * @param[in,out] *S points to an instance of the Q15 FIR decimator structure.
+ * @param[in] numTaps number of coefficients in the filter.
+ * @param[in] M decimation factor.
+ * @param[in] *pCoeffs points to the filter coefficients.
+ * @param[in] *pState points to the state buffer.
+ * @param[in] blockSize number of input samples to process per call.
+ * @return The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_LENGTH_ERROR if
+ * blockSize is not a multiple of M.
+ */
+
+ arm_status arm_fir_decimate_init_q15(
+ arm_fir_decimate_instance_q15 * S,
+ uint16_t numTaps,
+ uint8_t M,
+ q15_t * pCoeffs,
+ q15_t * pState,
+ uint32_t blockSize);
+
+ /**
+ * @brief Processing function for the Q31 FIR decimator.
+ * @param[in] *S points to an instance of the Q31 FIR decimator structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] blockSize number of input samples to process per call.
+ * @return none
+ */
+
+ void arm_fir_decimate_q31(
+ const arm_fir_decimate_instance_q31 * S,
+ q31_t * pSrc,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Processing function for the Q31 FIR decimator (fast variant) for Cortex-M3 and Cortex-M4.
+ * @param[in] *S points to an instance of the Q31 FIR decimator structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] blockSize number of input samples to process per call.
+ * @return none
+ */
+
+ void arm_fir_decimate_fast_q31(
+ arm_fir_decimate_instance_q31 * S,
+ q31_t * pSrc,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+
+ /**
+ * @brief Initialization function for the Q31 FIR decimator.
+ * @param[in,out] *S points to an instance of the Q31 FIR decimator structure.
+ * @param[in] numTaps number of coefficients in the filter.
+ * @param[in] M decimation factor.
+ * @param[in] *pCoeffs points to the filter coefficients.
+ * @param[in] *pState points to the state buffer.
+ * @param[in] blockSize number of input samples to process per call.
+ * @return The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_LENGTH_ERROR if
+ * blockSize is not a multiple of M.
+ */
+
+ arm_status arm_fir_decimate_init_q31(
+ arm_fir_decimate_instance_q31 * S,
+ uint16_t numTaps,
+ uint8_t M,
+ q31_t * pCoeffs,
+ q31_t * pState,
+ uint32_t blockSize);
+
+
+
+ /**
+ * @brief Instance structure for the Q15 FIR interpolator.
+ */
+
+ typedef struct
+ {
+ uint8_t L; /**< upsample factor. */
+ uint16_t phaseLength; /**< length of each polyphase filter component. */
+ q15_t *pCoeffs; /**< points to the coefficient array. The array is of length L*phaseLength. */
+ q15_t *pState; /**< points to the state variable array. The array is of length blockSize+phaseLength-1. */
+ } arm_fir_interpolate_instance_q15;
+
+ /**
+ * @brief Instance structure for the Q31 FIR interpolator.
+ */
+
+ typedef struct
+ {
+ uint8_t L; /**< upsample factor. */
+ uint16_t phaseLength; /**< length of each polyphase filter component. */
+ q31_t *pCoeffs; /**< points to the coefficient array. The array is of length L*phaseLength. */
+ q31_t *pState; /**< points to the state variable array. The array is of length blockSize+phaseLength-1. */
+ } arm_fir_interpolate_instance_q31;
+
+ /**
+ * @brief Instance structure for the floating-point FIR interpolator.
+ */
+
+ typedef struct
+ {
+ uint8_t L; /**< upsample factor. */
+ uint16_t phaseLength; /**< length of each polyphase filter component. */
+ float32_t *pCoeffs; /**< points to the coefficient array. The array is of length L*phaseLength. */
+ float32_t *pState; /**< points to the state variable array. The array is of length phaseLength+numTaps-1. */
+ } arm_fir_interpolate_instance_f32;
+
+
+ /**
+ * @brief Processing function for the Q15 FIR interpolator.
+ * @param[in] *S points to an instance of the Q15 FIR interpolator structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data.
+ * @param[in] blockSize number of input samples to process per call.
+ * @return none.
+ */
+
+ void arm_fir_interpolate_q15(
+ const arm_fir_interpolate_instance_q15 * S,
+ q15_t * pSrc,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+
+ /**
+ * @brief Initialization function for the Q15 FIR interpolator.
+ * @param[in,out] *S points to an instance of the Q15 FIR interpolator structure.
+ * @param[in] L upsample factor.
+ * @param[in] numTaps number of filter coefficients in the filter.
+ * @param[in] *pCoeffs points to the filter coefficient buffer.
+ * @param[in] *pState points to the state buffer.
+ * @param[in] blockSize number of input samples to process per call.
+ * @return The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_LENGTH_ERROR if
+ * the filter length numTaps is not a multiple of the interpolation factor L.
+ */
+
+ arm_status arm_fir_interpolate_init_q15(
+ arm_fir_interpolate_instance_q15 * S,
+ uint8_t L,
+ uint16_t numTaps,
+ q15_t * pCoeffs,
+ q15_t * pState,
+ uint32_t blockSize);
+
+ /**
+ * @brief Processing function for the Q31 FIR interpolator.
+ * @param[in] *S points to an instance of the Q15 FIR interpolator structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data.
+ * @param[in] blockSize number of input samples to process per call.
+ * @return none.
+ */
+
+ void arm_fir_interpolate_q31(
+ const arm_fir_interpolate_instance_q31 * S,
+ q31_t * pSrc,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Initialization function for the Q31 FIR interpolator.
+ * @param[in,out] *S points to an instance of the Q31 FIR interpolator structure.
+ * @param[in] L upsample factor.
+ * @param[in] numTaps number of filter coefficients in the filter.
+ * @param[in] *pCoeffs points to the filter coefficient buffer.
+ * @param[in] *pState points to the state buffer.
+ * @param[in] blockSize number of input samples to process per call.
+ * @return The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_LENGTH_ERROR if
+ * the filter length numTaps is not a multiple of the interpolation factor L.
+ */
+
+ arm_status arm_fir_interpolate_init_q31(
+ arm_fir_interpolate_instance_q31 * S,
+ uint8_t L,
+ uint16_t numTaps,
+ q31_t * pCoeffs,
+ q31_t * pState,
+ uint32_t blockSize);
+
+
+ /**
+ * @brief Processing function for the floating-point FIR interpolator.
+ * @param[in] *S points to an instance of the floating-point FIR interpolator structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data.
+ * @param[in] blockSize number of input samples to process per call.
+ * @return none.
+ */
+
+ void arm_fir_interpolate_f32(
+ const arm_fir_interpolate_instance_f32 * S,
+ float32_t * pSrc,
+ float32_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Initialization function for the floating-point FIR interpolator.
+ * @param[in,out] *S points to an instance of the floating-point FIR interpolator structure.
+ * @param[in] L upsample factor.
+ * @param[in] numTaps number of filter coefficients in the filter.
+ * @param[in] *pCoeffs points to the filter coefficient buffer.
+ * @param[in] *pState points to the state buffer.
+ * @param[in] blockSize number of input samples to process per call.
+ * @return The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_LENGTH_ERROR if
+ * the filter length numTaps is not a multiple of the interpolation factor L.
+ */
+
+ arm_status arm_fir_interpolate_init_f32(
+ arm_fir_interpolate_instance_f32 * S,
+ uint8_t L,
+ uint16_t numTaps,
+ float32_t * pCoeffs,
+ float32_t * pState,
+ uint32_t blockSize);
+
+ /**
+ * @brief Instance structure for the high precision Q31 Biquad cascade filter.
+ */
+
+ typedef struct
+ {
+ uint8_t numStages; /**< number of 2nd order stages in the filter. Overall order is 2*numStages. */
+ q63_t *pState; /**< points to the array of state coefficients. The array is of length 4*numStages. */
+ q31_t *pCoeffs; /**< points to the array of coefficients. The array is of length 5*numStages. */
+ uint8_t postShift; /**< additional shift, in bits, applied to each output sample. */
+
+ } arm_biquad_cas_df1_32x64_ins_q31;
+
+
+ /**
+ * @param[in] *S points to an instance of the high precision Q31 Biquad cascade filter structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_biquad_cas_df1_32x64_q31(
+ const arm_biquad_cas_df1_32x64_ins_q31 * S,
+ q31_t * pSrc,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+
+ /**
+ * @param[in,out] *S points to an instance of the high precision Q31 Biquad cascade filter structure.
+ * @param[in] numStages number of 2nd order stages in the filter.
+ * @param[in] *pCoeffs points to the filter coefficients.
+ * @param[in] *pState points to the state buffer.
+ * @param[in] postShift shift to be applied to the output. Varies according to the coefficients format
+ * @return none
+ */
+
+ void arm_biquad_cas_df1_32x64_init_q31(
+ arm_biquad_cas_df1_32x64_ins_q31 * S,
+ uint8_t numStages,
+ q31_t * pCoeffs,
+ q63_t * pState,
+ uint8_t postShift);
+
+
+
+ /**
+ * @brief Instance structure for the floating-point transposed direct form II Biquad cascade filter.
+ */
+
+ typedef struct
+ {
+ uint8_t numStages; /**< number of 2nd order stages in the filter. Overall order is 2*numStages. */
+ float32_t *pState; /**< points to the array of state coefficients. The array is of length 2*numStages. */
+ float32_t *pCoeffs; /**< points to the array of coefficients. The array is of length 5*numStages. */
+ } arm_biquad_cascade_df2T_instance_f32;
+
+
+ /**
+ * @brief Processing function for the floating-point transposed direct form II Biquad cascade filter.
+ * @param[in] *S points to an instance of the filter data structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_biquad_cascade_df2T_f32(
+ const arm_biquad_cascade_df2T_instance_f32 * S,
+ float32_t * pSrc,
+ float32_t * pDst,
+ uint32_t blockSize);
+
+
+ /**
+ * @brief Initialization function for the floating-point transposed direct form II Biquad cascade filter.
+ * @param[in,out] *S points to an instance of the filter data structure.
+ * @param[in] numStages number of 2nd order stages in the filter.
+ * @param[in] *pCoeffs points to the filter coefficients.
+ * @param[in] *pState points to the state buffer.
+ * @return none
+ */
+
+ void arm_biquad_cascade_df2T_init_f32(
+ arm_biquad_cascade_df2T_instance_f32 * S,
+ uint8_t numStages,
+ float32_t * pCoeffs,
+ float32_t * pState);
+
+
+
+ /**
+ * @brief Instance structure for the Q15 FIR lattice filter.
+ */
+
+ typedef struct
+ {
+ uint16_t numStages; /**< number of filter stages. */
+ q15_t *pState; /**< points to the state variable array. The array is of length numStages. */
+ q15_t *pCoeffs; /**< points to the coefficient array. The array is of length numStages. */
+ } arm_fir_lattice_instance_q15;
+
+ /**
+ * @brief Instance structure for the Q31 FIR lattice filter.
+ */
+
+ typedef struct
+ {
+ uint16_t numStages; /**< number of filter stages. */
+ q31_t *pState; /**< points to the state variable array. The array is of length numStages. */
+ q31_t *pCoeffs; /**< points to the coefficient array. The array is of length numStages. */
+ } arm_fir_lattice_instance_q31;
+
+ /**
+ * @brief Instance structure for the floating-point FIR lattice filter.
+ */
+
+ typedef struct
+ {
+ uint16_t numStages; /**< number of filter stages. */
+ float32_t *pState; /**< points to the state variable array. The array is of length numStages. */
+ float32_t *pCoeffs; /**< points to the coefficient array. The array is of length numStages. */
+ } arm_fir_lattice_instance_f32;
+
+ /**
+ * @brief Initialization function for the Q15 FIR lattice filter.
+ * @param[in] *S points to an instance of the Q15 FIR lattice structure.
+ * @param[in] numStages number of filter stages.
+ * @param[in] *pCoeffs points to the coefficient buffer. The array is of length numStages.
+ * @param[in] *pState points to the state buffer. The array is of length numStages.
+ * @return none.
+ */
+
+ void arm_fir_lattice_init_q15(
+ arm_fir_lattice_instance_q15 * S,
+ uint16_t numStages,
+ q15_t * pCoeffs,
+ q15_t * pState);
+
+
+ /**
+ * @brief Processing function for the Q15 FIR lattice filter.
+ * @param[in] *S points to an instance of the Q15 FIR lattice structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+ void arm_fir_lattice_q15(
+ const arm_fir_lattice_instance_q15 * S,
+ q15_t * pSrc,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Initialization function for the Q31 FIR lattice filter.
+ * @param[in] *S points to an instance of the Q31 FIR lattice structure.
+ * @param[in] numStages number of filter stages.
+ * @param[in] *pCoeffs points to the coefficient buffer. The array is of length numStages.
+ * @param[in] *pState points to the state buffer. The array is of length numStages.
+ * @return none.
+ */
+
+ void arm_fir_lattice_init_q31(
+ arm_fir_lattice_instance_q31 * S,
+ uint16_t numStages,
+ q31_t * pCoeffs,
+ q31_t * pState);
+
+
+ /**
+ * @brief Processing function for the Q31 FIR lattice filter.
+ * @param[in] *S points to an instance of the Q31 FIR lattice structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_fir_lattice_q31(
+ const arm_fir_lattice_instance_q31 * S,
+ q31_t * pSrc,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+/**
+ * @brief Initialization function for the floating-point FIR lattice filter.
+ * @param[in] *S points to an instance of the floating-point FIR lattice structure.
+ * @param[in] numStages number of filter stages.
+ * @param[in] *pCoeffs points to the coefficient buffer. The array is of length numStages.
+ * @param[in] *pState points to the state buffer. The array is of length numStages.
+ * @return none.
+ */
+
+ void arm_fir_lattice_init_f32(
+ arm_fir_lattice_instance_f32 * S,
+ uint16_t numStages,
+ float32_t * pCoeffs,
+ float32_t * pState);
+
+ /**
+ * @brief Processing function for the floating-point FIR lattice filter.
+ * @param[in] *S points to an instance of the floating-point FIR lattice structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_fir_lattice_f32(
+ const arm_fir_lattice_instance_f32 * S,
+ float32_t * pSrc,
+ float32_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Instance structure for the Q15 IIR lattice filter.
+ */
+ typedef struct
+ {
+ uint16_t numStages; /**< number of stages in the filter. */
+ q15_t *pState; /**< points to the state variable array. The array is of length numStages+blockSize. */
+ q15_t *pkCoeffs; /**< points to the reflection coefficient array. The array is of length numStages. */
+ q15_t *pvCoeffs; /**< points to the ladder coefficient array. The array is of length numStages+1. */
+ } arm_iir_lattice_instance_q15;
+
+ /**
+ * @brief Instance structure for the Q31 IIR lattice filter.
+ */
+ typedef struct
+ {
+ uint16_t numStages; /**< number of stages in the filter. */
+ q31_t *pState; /**< points to the state variable array. The array is of length numStages+blockSize. */
+ q31_t *pkCoeffs; /**< points to the reflection coefficient array. The array is of length numStages. */
+ q31_t *pvCoeffs; /**< points to the ladder coefficient array. The array is of length numStages+1. */
+ } arm_iir_lattice_instance_q31;
+
+ /**
+ * @brief Instance structure for the floating-point IIR lattice filter.
+ */
+ typedef struct
+ {
+ uint16_t numStages; /**< number of stages in the filter. */
+ float32_t *pState; /**< points to the state variable array. The array is of length numStages+blockSize. */
+ float32_t *pkCoeffs; /**< points to the reflection coefficient array. The array is of length numStages. */
+ float32_t *pvCoeffs; /**< points to the ladder coefficient array. The array is of length numStages+1. */
+ } arm_iir_lattice_instance_f32;
+
+ /**
+ * @brief Processing function for the floating-point IIR lattice filter.
+ * @param[in] *S points to an instance of the floating-point IIR lattice structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_iir_lattice_f32(
+ const arm_iir_lattice_instance_f32 * S,
+ float32_t * pSrc,
+ float32_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Initialization function for the floating-point IIR lattice filter.
+ * @param[in] *S points to an instance of the floating-point IIR lattice structure.
+ * @param[in] numStages number of stages in the filter.
+ * @param[in] *pkCoeffs points to the reflection coefficient buffer. The array is of length numStages.
+ * @param[in] *pvCoeffs points to the ladder coefficient buffer. The array is of length numStages+1.
+ * @param[in] *pState points to the state buffer. The array is of length numStages+blockSize-1.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_iir_lattice_init_f32(
+ arm_iir_lattice_instance_f32 * S,
+ uint16_t numStages,
+ float32_t * pkCoeffs,
+ float32_t * pvCoeffs,
+ float32_t * pState,
+ uint32_t blockSize);
+
+
+ /**
+ * @brief Processing function for the Q31 IIR lattice filter.
+ * @param[in] *S points to an instance of the Q31 IIR lattice structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_iir_lattice_q31(
+ const arm_iir_lattice_instance_q31 * S,
+ q31_t * pSrc,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+
+ /**
+ * @brief Initialization function for the Q31 IIR lattice filter.
+ * @param[in] *S points to an instance of the Q31 IIR lattice structure.
+ * @param[in] numStages number of stages in the filter.
+ * @param[in] *pkCoeffs points to the reflection coefficient buffer. The array is of length numStages.
+ * @param[in] *pvCoeffs points to the ladder coefficient buffer. The array is of length numStages+1.
+ * @param[in] *pState points to the state buffer. The array is of length numStages+blockSize.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_iir_lattice_init_q31(
+ arm_iir_lattice_instance_q31 * S,
+ uint16_t numStages,
+ q31_t * pkCoeffs,
+ q31_t * pvCoeffs,
+ q31_t * pState,
+ uint32_t blockSize);
+
+
+ /**
+ * @brief Processing function for the Q15 IIR lattice filter.
+ * @param[in] *S points to an instance of the Q15 IIR lattice structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_iir_lattice_q15(
+ const arm_iir_lattice_instance_q15 * S,
+ q15_t * pSrc,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+
+/**
+ * @brief Initialization function for the Q15 IIR lattice filter.
+ * @param[in] *S points to an instance of the fixed-point Q15 IIR lattice structure.
+ * @param[in] numStages number of stages in the filter.
+ * @param[in] *pkCoeffs points to reflection coefficient buffer. The array is of length numStages.
+ * @param[in] *pvCoeffs points to ladder coefficient buffer. The array is of length numStages+1.
+ * @param[in] *pState points to state buffer. The array is of length numStages+blockSize.
+ * @param[in] blockSize number of samples to process per call.
+ * @return none.
+ */
+
+ void arm_iir_lattice_init_q15(
+ arm_iir_lattice_instance_q15 * S,
+ uint16_t numStages,
+ q15_t * pkCoeffs,
+ q15_t * pvCoeffs,
+ q15_t * pState,
+ uint32_t blockSize);
+
+ /**
+ * @brief Instance structure for the floating-point LMS filter.
+ */
+
+ typedef struct
+ {
+ uint16_t numTaps; /**< number of coefficients in the filter. */
+ float32_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
+ float32_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps. */
+ float32_t mu; /**< step size that controls filter coefficient updates. */
+ } arm_lms_instance_f32;
+
+ /**
+ * @brief Processing function for floating-point LMS filter.
+ * @param[in] *S points to an instance of the floating-point LMS filter structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[in] *pRef points to the block of reference data.
+ * @param[out] *pOut points to the block of output data.
+ * @param[out] *pErr points to the block of error data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_lms_f32(
+ const arm_lms_instance_f32 * S,
+ float32_t * pSrc,
+ float32_t * pRef,
+ float32_t * pOut,
+ float32_t * pErr,
+ uint32_t blockSize);
+
+ /**
+ * @brief Initialization function for floating-point LMS filter.
+ * @param[in] *S points to an instance of the floating-point LMS filter structure.
+ * @param[in] numTaps number of filter coefficients.
+ * @param[in] *pCoeffs points to the coefficient buffer.
+ * @param[in] *pState points to state buffer.
+ * @param[in] mu step size that controls filter coefficient updates.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_lms_init_f32(
+ arm_lms_instance_f32 * S,
+ uint16_t numTaps,
+ float32_t * pCoeffs,
+ float32_t * pState,
+ float32_t mu,
+ uint32_t blockSize);
+
+ /**
+ * @brief Instance structure for the Q15 LMS filter.
+ */
+
+ typedef struct
+ {
+ uint16_t numTaps; /**< number of coefficients in the filter. */
+ q15_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
+ q15_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps. */
+ q15_t mu; /**< step size that controls filter coefficient updates. */
+ uint32_t postShift; /**< bit shift applied to coefficients. */
+ } arm_lms_instance_q15;
+
+
+ /**
+ * @brief Initialization function for the Q15 LMS filter.
+ * @param[in] *S points to an instance of the Q15 LMS filter structure.
+ * @param[in] numTaps number of filter coefficients.
+ * @param[in] *pCoeffs points to the coefficient buffer.
+ * @param[in] *pState points to the state buffer.
+ * @param[in] mu step size that controls filter coefficient updates.
+ * @param[in] blockSize number of samples to process.
+ * @param[in] postShift bit shift applied to coefficients.
+ * @return none.
+ */
+
+ void arm_lms_init_q15(
+ arm_lms_instance_q15 * S,
+ uint16_t numTaps,
+ q15_t * pCoeffs,
+ q15_t * pState,
+ q15_t mu,
+ uint32_t blockSize,
+ uint32_t postShift);
+
+ /**
+ * @brief Processing function for Q15 LMS filter.
+ * @param[in] *S points to an instance of the Q15 LMS filter structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[in] *pRef points to the block of reference data.
+ * @param[out] *pOut points to the block of output data.
+ * @param[out] *pErr points to the block of error data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_lms_q15(
+ const arm_lms_instance_q15 * S,
+ q15_t * pSrc,
+ q15_t * pRef,
+ q15_t * pOut,
+ q15_t * pErr,
+ uint32_t blockSize);
+
+
+ /**
+ * @brief Instance structure for the Q31 LMS filter.
+ */
+
+ typedef struct
+ {
+ uint16_t numTaps; /**< number of coefficients in the filter. */
+ q31_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
+ q31_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps. */
+ q31_t mu; /**< step size that controls filter coefficient updates. */
+ uint32_t postShift; /**< bit shift applied to coefficients. */
+
+ } arm_lms_instance_q31;
+
+ /**
+ * @brief Processing function for Q31 LMS filter.
+ * @param[in] *S points to an instance of the Q15 LMS filter structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[in] *pRef points to the block of reference data.
+ * @param[out] *pOut points to the block of output data.
+ * @param[out] *pErr points to the block of error data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_lms_q31(
+ const arm_lms_instance_q31 * S,
+ q31_t * pSrc,
+ q31_t * pRef,
+ q31_t * pOut,
+ q31_t * pErr,
+ uint32_t blockSize);
+
+ /**
+ * @brief Initialization function for Q31 LMS filter.
+ * @param[in] *S points to an instance of the Q31 LMS filter structure.
+ * @param[in] numTaps number of filter coefficients.
+ * @param[in] *pCoeffs points to coefficient buffer.
+ * @param[in] *pState points to state buffer.
+ * @param[in] mu step size that controls filter coefficient updates.
+ * @param[in] blockSize number of samples to process.
+ * @param[in] postShift bit shift applied to coefficients.
+ * @return none.
+ */
+
+ void arm_lms_init_q31(
+ arm_lms_instance_q31 * S,
+ uint16_t numTaps,
+ q31_t * pCoeffs,
+ q31_t * pState,
+ q31_t mu,
+ uint32_t blockSize,
+ uint32_t postShift);
+
+ /**
+ * @brief Instance structure for the floating-point normalized LMS filter.
+ */
+
+ typedef struct
+ {
+ uint16_t numTaps; /**< number of coefficients in the filter. */
+ float32_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
+ float32_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps. */
+ float32_t mu; /**< step size that control filter coefficient updates. */
+ float32_t energy; /**< saves previous frame energy. */
+ float32_t x0; /**< saves previous input sample. */
+ } arm_lms_norm_instance_f32;
+
+ /**
+ * @brief Processing function for floating-point normalized LMS filter.
+ * @param[in] *S points to an instance of the floating-point normalized LMS filter structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[in] *pRef points to the block of reference data.
+ * @param[out] *pOut points to the block of output data.
+ * @param[out] *pErr points to the block of error data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_lms_norm_f32(
+ arm_lms_norm_instance_f32 * S,
+ float32_t * pSrc,
+ float32_t * pRef,
+ float32_t * pOut,
+ float32_t * pErr,
+ uint32_t blockSize);
+
+ /**
+ * @brief Initialization function for floating-point normalized LMS filter.
+ * @param[in] *S points to an instance of the floating-point LMS filter structure.
+ * @param[in] numTaps number of filter coefficients.
+ * @param[in] *pCoeffs points to coefficient buffer.
+ * @param[in] *pState points to state buffer.
+ * @param[in] mu step size that controls filter coefficient updates.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_lms_norm_init_f32(
+ arm_lms_norm_instance_f32 * S,
+ uint16_t numTaps,
+ float32_t * pCoeffs,
+ float32_t * pState,
+ float32_t mu,
+ uint32_t blockSize);
+
+
+ /**
+ * @brief Instance structure for the Q31 normalized LMS filter.
+ */
+ typedef struct
+ {
+ uint16_t numTaps; /**< number of coefficients in the filter. */
+ q31_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
+ q31_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps. */
+ q31_t mu; /**< step size that controls filter coefficient updates. */
+ uint8_t postShift; /**< bit shift applied to coefficients. */
+ q31_t *recipTable; /**< points to the reciprocal initial value table. */
+ q31_t energy; /**< saves previous frame energy. */
+ q31_t x0; /**< saves previous input sample. */
+ } arm_lms_norm_instance_q31;
+
+ /**
+ * @brief Processing function for Q31 normalized LMS filter.
+ * @param[in] *S points to an instance of the Q31 normalized LMS filter structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[in] *pRef points to the block of reference data.
+ * @param[out] *pOut points to the block of output data.
+ * @param[out] *pErr points to the block of error data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_lms_norm_q31(
+ arm_lms_norm_instance_q31 * S,
+ q31_t * pSrc,
+ q31_t * pRef,
+ q31_t * pOut,
+ q31_t * pErr,
+ uint32_t blockSize);
+
+ /**
+ * @brief Initialization function for Q31 normalized LMS filter.
+ * @param[in] *S points to an instance of the Q31 normalized LMS filter structure.
+ * @param[in] numTaps number of filter coefficients.
+ * @param[in] *pCoeffs points to coefficient buffer.
+ * @param[in] *pState points to state buffer.
+ * @param[in] mu step size that controls filter coefficient updates.
+ * @param[in] blockSize number of samples to process.
+ * @param[in] postShift bit shift applied to coefficients.
+ * @return none.
+ */
+
+ void arm_lms_norm_init_q31(
+ arm_lms_norm_instance_q31 * S,
+ uint16_t numTaps,
+ q31_t * pCoeffs,
+ q31_t * pState,
+ q31_t mu,
+ uint32_t blockSize,
+ uint8_t postShift);
+
+ /**
+ * @brief Instance structure for the Q15 normalized LMS filter.
+ */
+
+ typedef struct
+ {
+ uint16_t numTaps; /**< Number of coefficients in the filter. */
+ q15_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
+ q15_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps. */
+ q15_t mu; /**< step size that controls filter coefficient updates. */
+ uint8_t postShift; /**< bit shift applied to coefficients. */
+ q15_t *recipTable; /**< Points to the reciprocal initial value table. */
+ q15_t energy; /**< saves previous frame energy. */
+ q15_t x0; /**< saves previous input sample. */
+ } arm_lms_norm_instance_q15;
+
+ /**
+ * @brief Processing function for Q15 normalized LMS filter.
+ * @param[in] *S points to an instance of the Q15 normalized LMS filter structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[in] *pRef points to the block of reference data.
+ * @param[out] *pOut points to the block of output data.
+ * @param[out] *pErr points to the block of error data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_lms_norm_q15(
+ arm_lms_norm_instance_q15 * S,
+ q15_t * pSrc,
+ q15_t * pRef,
+ q15_t * pOut,
+ q15_t * pErr,
+ uint32_t blockSize);
+
+
+ /**
+ * @brief Initialization function for Q15 normalized LMS filter.
+ * @param[in] *S points to an instance of the Q15 normalized LMS filter structure.
+ * @param[in] numTaps number of filter coefficients.
+ * @param[in] *pCoeffs points to coefficient buffer.
+ * @param[in] *pState points to state buffer.
+ * @param[in] mu step size that controls filter coefficient updates.
+ * @param[in] blockSize number of samples to process.
+ * @param[in] postShift bit shift applied to coefficients.
+ * @return none.
+ */
+
+ void arm_lms_norm_init_q15(
+ arm_lms_norm_instance_q15 * S,
+ uint16_t numTaps,
+ q15_t * pCoeffs,
+ q15_t * pState,
+ q15_t mu,
+ uint32_t blockSize,
+ uint8_t postShift);
+
+ /**
+ * @brief Correlation of floating-point sequences.
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data Length 2 * max(srcALen, srcBLen) - 1.
+ * @return none.
+ */
+
+ void arm_correlate_f32(
+ float32_t * pSrcA,
+ uint32_t srcALen,
+ float32_t * pSrcB,
+ uint32_t srcBLen,
+ float32_t * pDst);
+
+
+ /**
+ * @brief Correlation of Q15 sequences
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data Length 2 * max(srcALen, srcBLen) - 1.
+ * @param[in] *pScratch points to scratch buffer of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.
+ * @return none.
+ */
+ void arm_correlate_opt_q15(
+ q15_t * pSrcA,
+ uint32_t srcALen,
+ q15_t * pSrcB,
+ uint32_t srcBLen,
+ q15_t * pDst,
+ q15_t * pScratch);
+
+
+ /**
+ * @brief Correlation of Q15 sequences.
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data Length 2 * max(srcALen, srcBLen) - 1.
+ * @return none.
+ */
+
+ void arm_correlate_q15(
+ q15_t * pSrcA,
+ uint32_t srcALen,
+ q15_t * pSrcB,
+ uint32_t srcBLen,
+ q15_t * pDst);
+
+ /**
+ * @brief Correlation of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4.
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data Length 2 * max(srcALen, srcBLen) - 1.
+ * @return none.
+ */
+
+ void arm_correlate_fast_q15(
+ q15_t * pSrcA,
+ uint32_t srcALen,
+ q15_t * pSrcB,
+ uint32_t srcBLen,
+ q15_t * pDst);
+
+
+
+ /**
+ * @brief Correlation of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4.
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data Length 2 * max(srcALen, srcBLen) - 1.
+ * @param[in] *pScratch points to scratch buffer of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.
+ * @return none.
+ */
+
+ void arm_correlate_fast_opt_q15(
+ q15_t * pSrcA,
+ uint32_t srcALen,
+ q15_t * pSrcB,
+ uint32_t srcBLen,
+ q15_t * pDst,
+ q15_t * pScratch);
+
+ /**
+ * @brief Correlation of Q31 sequences.
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data Length 2 * max(srcALen, srcBLen) - 1.
+ * @return none.
+ */
+
+ void arm_correlate_q31(
+ q31_t * pSrcA,
+ uint32_t srcALen,
+ q31_t * pSrcB,
+ uint32_t srcBLen,
+ q31_t * pDst);
+
+ /**
+ * @brief Correlation of Q31 sequences (fast version) for Cortex-M3 and Cortex-M4
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data Length 2 * max(srcALen, srcBLen) - 1.
+ * @return none.
+ */
+
+ void arm_correlate_fast_q31(
+ q31_t * pSrcA,
+ uint32_t srcALen,
+ q31_t * pSrcB,
+ uint32_t srcBLen,
+ q31_t * pDst);
+
+
+
+ /**
+ * @brief Correlation of Q7 sequences.
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data Length 2 * max(srcALen, srcBLen) - 1.
+ * @param[in] *pScratch1 points to scratch buffer(of type q15_t) of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.
+ * @param[in] *pScratch2 points to scratch buffer (of type q15_t) of size min(srcALen, srcBLen).
+ * @return none.
+ */
+
+ void arm_correlate_opt_q7(
+ q7_t * pSrcA,
+ uint32_t srcALen,
+ q7_t * pSrcB,
+ uint32_t srcBLen,
+ q7_t * pDst,
+ q15_t * pScratch1,
+ q15_t * pScratch2);
+
+
+ /**
+ * @brief Correlation of Q7 sequences.
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data Length 2 * max(srcALen, srcBLen) - 1.
+ * @return none.
+ */
+
+ void arm_correlate_q7(
+ q7_t * pSrcA,
+ uint32_t srcALen,
+ q7_t * pSrcB,
+ uint32_t srcBLen,
+ q7_t * pDst);
+
+
+ /**
+ * @brief Instance structure for the floating-point sparse FIR filter.
+ */
+ typedef struct
+ {
+ uint16_t numTaps; /**< number of coefficients in the filter. */
+ uint16_t stateIndex; /**< state buffer index. Points to the oldest sample in the state buffer. */
+ float32_t *pState; /**< points to the state buffer array. The array is of length maxDelay+blockSize-1. */
+ float32_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps.*/
+ uint16_t maxDelay; /**< maximum offset specified by the pTapDelay array. */
+ int32_t *pTapDelay; /**< points to the array of delay values. The array is of length numTaps. */
+ } arm_fir_sparse_instance_f32;
+
+ /**
+ * @brief Instance structure for the Q31 sparse FIR filter.
+ */
+
+ typedef struct
+ {
+ uint16_t numTaps; /**< number of coefficients in the filter. */
+ uint16_t stateIndex; /**< state buffer index. Points to the oldest sample in the state buffer. */
+ q31_t *pState; /**< points to the state buffer array. The array is of length maxDelay+blockSize-1. */
+ q31_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps.*/
+ uint16_t maxDelay; /**< maximum offset specified by the pTapDelay array. */
+ int32_t *pTapDelay; /**< points to the array of delay values. The array is of length numTaps. */
+ } arm_fir_sparse_instance_q31;
+
+ /**
+ * @brief Instance structure for the Q15 sparse FIR filter.
+ */
+
+ typedef struct
+ {
+ uint16_t numTaps; /**< number of coefficients in the filter. */
+ uint16_t stateIndex; /**< state buffer index. Points to the oldest sample in the state buffer. */
+ q15_t *pState; /**< points to the state buffer array. The array is of length maxDelay+blockSize-1. */
+ q15_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps.*/
+ uint16_t maxDelay; /**< maximum offset specified by the pTapDelay array. */
+ int32_t *pTapDelay; /**< points to the array of delay values. The array is of length numTaps. */
+ } arm_fir_sparse_instance_q15;
+
+ /**
+ * @brief Instance structure for the Q7 sparse FIR filter.
+ */
+
+ typedef struct
+ {
+ uint16_t numTaps; /**< number of coefficients in the filter. */
+ uint16_t stateIndex; /**< state buffer index. Points to the oldest sample in the state buffer. */
+ q7_t *pState; /**< points to the state buffer array. The array is of length maxDelay+blockSize-1. */
+ q7_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps.*/
+ uint16_t maxDelay; /**< maximum offset specified by the pTapDelay array. */
+ int32_t *pTapDelay; /**< points to the array of delay values. The array is of length numTaps. */
+ } arm_fir_sparse_instance_q7;
+
+ /**
+ * @brief Processing function for the floating-point sparse FIR filter.
+ * @param[in] *S points to an instance of the floating-point sparse FIR structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] *pScratchIn points to a temporary buffer of size blockSize.
+ * @param[in] blockSize number of input samples to process per call.
+ * @return none.
+ */
+
+ void arm_fir_sparse_f32(
+ arm_fir_sparse_instance_f32 * S,
+ float32_t * pSrc,
+ float32_t * pDst,
+ float32_t * pScratchIn,
+ uint32_t blockSize);
+
+ /**
+ * @brief Initialization function for the floating-point sparse FIR filter.
+ * @param[in,out] *S points to an instance of the floating-point sparse FIR structure.
+ * @param[in] numTaps number of nonzero coefficients in the filter.
+ * @param[in] *pCoeffs points to the array of filter coefficients.
+ * @param[in] *pState points to the state buffer.
+ * @param[in] *pTapDelay points to the array of offset times.
+ * @param[in] maxDelay maximum offset time supported.
+ * @param[in] blockSize number of samples that will be processed per block.
+ * @return none
+ */
+
+ void arm_fir_sparse_init_f32(
+ arm_fir_sparse_instance_f32 * S,
+ uint16_t numTaps,
+ float32_t * pCoeffs,
+ float32_t * pState,
+ int32_t * pTapDelay,
+ uint16_t maxDelay,
+ uint32_t blockSize);
+
+ /**
+ * @brief Processing function for the Q31 sparse FIR filter.
+ * @param[in] *S points to an instance of the Q31 sparse FIR structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] *pScratchIn points to a temporary buffer of size blockSize.
+ * @param[in] blockSize number of input samples to process per call.
+ * @return none.
+ */
+
+ void arm_fir_sparse_q31(
+ arm_fir_sparse_instance_q31 * S,
+ q31_t * pSrc,
+ q31_t * pDst,
+ q31_t * pScratchIn,
+ uint32_t blockSize);
+
+ /**
+ * @brief Initialization function for the Q31 sparse FIR filter.
+ * @param[in,out] *S points to an instance of the Q31 sparse FIR structure.
+ * @param[in] numTaps number of nonzero coefficients in the filter.
+ * @param[in] *pCoeffs points to the array of filter coefficients.
+ * @param[in] *pState points to the state buffer.
+ * @param[in] *pTapDelay points to the array of offset times.
+ * @param[in] maxDelay maximum offset time supported.
+ * @param[in] blockSize number of samples that will be processed per block.
+ * @return none
+ */
+
+ void arm_fir_sparse_init_q31(
+ arm_fir_sparse_instance_q31 * S,
+ uint16_t numTaps,
+ q31_t * pCoeffs,
+ q31_t * pState,
+ int32_t * pTapDelay,
+ uint16_t maxDelay,
+ uint32_t blockSize);
+
+ /**
+ * @brief Processing function for the Q15 sparse FIR filter.
+ * @param[in] *S points to an instance of the Q15 sparse FIR structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] *pScratchIn points to a temporary buffer of size blockSize.
+ * @param[in] *pScratchOut points to a temporary buffer of size blockSize.
+ * @param[in] blockSize number of input samples to process per call.
+ * @return none.
+ */
+
+ void arm_fir_sparse_q15(
+ arm_fir_sparse_instance_q15 * S,
+ q15_t * pSrc,
+ q15_t * pDst,
+ q15_t * pScratchIn,
+ q31_t * pScratchOut,
+ uint32_t blockSize);
+
+
+ /**
+ * @brief Initialization function for the Q15 sparse FIR filter.
+ * @param[in,out] *S points to an instance of the Q15 sparse FIR structure.
+ * @param[in] numTaps number of nonzero coefficients in the filter.
+ * @param[in] *pCoeffs points to the array of filter coefficients.
+ * @param[in] *pState points to the state buffer.
+ * @param[in] *pTapDelay points to the array of offset times.
+ * @param[in] maxDelay maximum offset time supported.
+ * @param[in] blockSize number of samples that will be processed per block.
+ * @return none
+ */
+
+ void arm_fir_sparse_init_q15(
+ arm_fir_sparse_instance_q15 * S,
+ uint16_t numTaps,
+ q15_t * pCoeffs,
+ q15_t * pState,
+ int32_t * pTapDelay,
+ uint16_t maxDelay,
+ uint32_t blockSize);
+
+ /**
+ * @brief Processing function for the Q7 sparse FIR filter.
+ * @param[in] *S points to an instance of the Q7 sparse FIR structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] *pScratchIn points to a temporary buffer of size blockSize.
+ * @param[in] *pScratchOut points to a temporary buffer of size blockSize.
+ * @param[in] blockSize number of input samples to process per call.
+ * @return none.
+ */
+
+ void arm_fir_sparse_q7(
+ arm_fir_sparse_instance_q7 * S,
+ q7_t * pSrc,
+ q7_t * pDst,
+ q7_t * pScratchIn,
+ q31_t * pScratchOut,
+ uint32_t blockSize);
+
+ /**
+ * @brief Initialization function for the Q7 sparse FIR filter.
+ * @param[in,out] *S points to an instance of the Q7 sparse FIR structure.
+ * @param[in] numTaps number of nonzero coefficients in the filter.
+ * @param[in] *pCoeffs points to the array of filter coefficients.
+ * @param[in] *pState points to the state buffer.
+ * @param[in] *pTapDelay points to the array of offset times.
+ * @param[in] maxDelay maximum offset time supported.
+ * @param[in] blockSize number of samples that will be processed per block.
+ * @return none
+ */
+
+ void arm_fir_sparse_init_q7(
+ arm_fir_sparse_instance_q7 * S,
+ uint16_t numTaps,
+ q7_t * pCoeffs,
+ q7_t * pState,
+ int32_t * pTapDelay,
+ uint16_t maxDelay,
+ uint32_t blockSize);
+
+
+ /*
+ * @brief Floating-point sin_cos function.
+ * @param[in] theta input value in degrees
+ * @param[out] *pSinVal points to the processed sine output.
+ * @param[out] *pCosVal points to the processed cos output.
+ * @return none.
+ */
+
+ void arm_sin_cos_f32(
+ float32_t theta,
+ float32_t * pSinVal,
+ float32_t * pCcosVal);
+
+ /*
+ * @brief Q31 sin_cos function.
+ * @param[in] theta scaled input value in degrees
+ * @param[out] *pSinVal points to the processed sine output.
+ * @param[out] *pCosVal points to the processed cosine output.
+ * @return none.
+ */
+
+ void arm_sin_cos_q31(
+ q31_t theta,
+ q31_t * pSinVal,
+ q31_t * pCosVal);
+
+
+ /**
+ * @brief Floating-point complex conjugate.
+ * @param[in] *pSrc points to the input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] numSamples number of complex samples in each vector
+ * @return none.
+ */
+
+ void arm_cmplx_conj_f32(
+ float32_t * pSrc,
+ float32_t * pDst,
+ uint32_t numSamples);
+
+ /**
+ * @brief Q31 complex conjugate.
+ * @param[in] *pSrc points to the input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] numSamples number of complex samples in each vector
+ * @return none.
+ */
+
+ void arm_cmplx_conj_q31(
+ q31_t * pSrc,
+ q31_t * pDst,
+ uint32_t numSamples);
+
+ /**
+ * @brief Q15 complex conjugate.
+ * @param[in] *pSrc points to the input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] numSamples number of complex samples in each vector
+ * @return none.
+ */
+
+ void arm_cmplx_conj_q15(
+ q15_t * pSrc,
+ q15_t * pDst,
+ uint32_t numSamples);
+
+
+
+ /**
+ * @brief Floating-point complex magnitude squared
+ * @param[in] *pSrc points to the complex input vector
+ * @param[out] *pDst points to the real output vector
+ * @param[in] numSamples number of complex samples in the input vector
+ * @return none.
+ */
+
+ void arm_cmplx_mag_squared_f32(
+ float32_t * pSrc,
+ float32_t * pDst,
+ uint32_t numSamples);
+
+ /**
+ * @brief Q31 complex magnitude squared
+ * @param[in] *pSrc points to the complex input vector
+ * @param[out] *pDst points to the real output vector
+ * @param[in] numSamples number of complex samples in the input vector
+ * @return none.
+ */
+
+ void arm_cmplx_mag_squared_q31(
+ q31_t * pSrc,
+ q31_t * pDst,
+ uint32_t numSamples);
+
+ /**
+ * @brief Q15 complex magnitude squared
+ * @param[in] *pSrc points to the complex input vector
+ * @param[out] *pDst points to the real output vector
+ * @param[in] numSamples number of complex samples in the input vector
+ * @return none.
+ */
+
+ void arm_cmplx_mag_squared_q15(
+ q15_t * pSrc,
+ q15_t * pDst,
+ uint32_t numSamples);
+
+
+ /**
+ * @ingroup groupController
+ */
+
+ /**
+ * @defgroup PID PID Motor Control
+ *
+ * A Proportional Integral Derivative (PID) controller is a generic feedback control
+ * loop mechanism widely used in industrial control systems.
+ * A PID controller is the most commonly used type of feedback controller.
+ *
+ * This set of functions implements (PID) controllers
+ * for Q15, Q31, and floating-point data types. The functions operate on a single sample
+ * of data and each call to the function returns a single processed value.
+ * S points to an instance of the PID control data structure. in
+ * is the input sample value. The functions return the output value.
+ *
+ * \par Algorithm:
+ * + * y[n] = y[n-1] + A0 * x[n] + A1 * x[n-1] + A2 * x[n-2] + * A0 = Kp + Ki + Kd + * A1 = (-Kp ) - (2 * Kd ) + * A2 = Kd+ * + * \par + * where \c Kp is proportional constant, \c Ki is Integral constant and \c Kd is Derivative constant + * + * \par + * \image html PID.gif "Proportional Integral Derivative Controller" + * + * \par + * The PID controller calculates an "error" value as the difference between + * the measured output and the reference input. + * The controller attempts to minimize the error by adjusting the process control inputs. + * The proportional value determines the reaction to the current error, + * the integral value determines the reaction based on the sum of recent errors, + * and the derivative value determines the reaction based on the rate at which the error has been changing. + * + * \par Instance Structure + * The Gains A0, A1, A2 and state variables for a PID controller are stored together in an instance data structure. + * A separate instance structure must be defined for each PID Controller. + * There are separate instance structure declarations for each of the 3 supported data types. + * + * \par Reset Functions + * There is also an associated reset function for each data type which clears the state array. + * + * \par Initialization Functions + * There is also an associated initialization function for each data type. + * The initialization function performs the following operations: + * - Initializes the Gains A0, A1, A2 from Kp,Ki, Kd gains. + * - Zeros out the values in the state buffer. + * + * \par + * Instance structure cannot be placed into a const data section and it is recommended to use the initialization function. + * + * \par Fixed-Point Behavior + * Care must be taken when using the fixed-point versions of the PID Controller functions. + * In particular, the overflow and saturation behavior of the accumulator used in each function must be considered. + * Refer to the function specific documentation below for usage guidelines. + */ + + /** + * @addtogroup PID + * @{ + */ + + /** + * @brief Process function for the floating-point PID Control. + * @param[in,out] *S is an instance of the floating-point PID Control structure + * @param[in] in input sample to process + * @return out processed output sample. + */ + + + static __INLINE float32_t arm_pid_f32( + arm_pid_instance_f32 * S, + float32_t in) + { + float32_t out; + + /* y[n] = y[n-1] + A0 * x[n] + A1 * x[n-1] + A2 * x[n-2] */ + out = (S->A0 * in) + + (S->A1 * S->state[0]) + (S->A2 * S->state[1]) + (S->state[2]); + + /* Update state */ + S->state[1] = S->state[0]; + S->state[0] = in; + S->state[2] = out; + + /* return to application */ + return (out); + + } + + /** + * @brief Process function for the Q31 PID Control. + * @param[in,out] *S points to an instance of the Q31 PID Control structure + * @param[in] in input sample to process + * @return out processed output sample. + * + * Scaling and Overflow Behavior: + * \par + * The function is implemented using an internal 64-bit accumulator. + * The accumulator has a 2.62 format and maintains full precision of the intermediate multiplication results but provides only a single guard bit. + * Thus, if the accumulator result overflows it wraps around rather than clip. + * In order to avoid overflows completely the input signal must be scaled down by 2 bits as there are four additions. + * After all multiply-accumulates are performed, the 2.62 accumulator is truncated to 1.32 format and then saturated to 1.31 format. + */ + + static __INLINE q31_t arm_pid_q31( + arm_pid_instance_q31 * S, + q31_t in) + { + q63_t acc; + q31_t out; + + /* acc = A0 * x[n] */ + acc = (q63_t) S->A0 * in; + + /* acc += A1 * x[n-1] */ + acc += (q63_t) S->A1 * S->state[0]; + + /* acc += A2 * x[n-2] */ + acc += (q63_t) S->A2 * S->state[1]; + + /* convert output to 1.31 format to add y[n-1] */ + out = (q31_t) (acc >> 31u); + + /* out += y[n-1] */ + out += S->state[2]; + + /* Update state */ + S->state[1] = S->state[0]; + S->state[0] = in; + S->state[2] = out; + + /* return to application */ + return (out); + + } + + /** + * @brief Process function for the Q15 PID Control. + * @param[in,out] *S points to an instance of the Q15 PID Control structure + * @param[in] in input sample to process + * @return out processed output sample. + * + * Scaling and Overflow Behavior: + * \par + * The function is implemented using a 64-bit internal accumulator. + * Both Gains and state variables are represented in 1.15 format and multiplications yield a 2.30 result. + * The 2.30 intermediate results are accumulated in a 64-bit accumulator in 34.30 format. + * There is no risk of internal overflow with this approach and the full precision of intermediate multiplications is preserved. + * After all additions have been performed, the accumulator is truncated to 34.15 format by discarding low 15 bits. + * Lastly, the accumulator is saturated to yield a result in 1.15 format. + */ + + static __INLINE q15_t arm_pid_q15( + arm_pid_instance_q15 * S, + q15_t in) + { + q63_t acc; + q15_t out; + +#ifndef ARM_MATH_CM0_FAMILY + __SIMD32_TYPE *vstate; + + /* Implementation of PID controller */ + + /* acc = A0 * x[n] */ + acc = (q31_t) __SMUAD(S->A0, in); + + /* acc += A1 * x[n-1] + A2 * x[n-2] */ + vstate = __SIMD32_CONST(S->state); + acc = __SMLALD(S->A1, (q31_t) *vstate, acc); + +#else + /* acc = A0 * x[n] */ + acc = ((q31_t) S->A0) * in; + + /* acc += A1 * x[n-1] + A2 * x[n-2] */ + acc += (q31_t) S->A1 * S->state[0]; + acc += (q31_t) S->A2 * S->state[1]; + +#endif + + /* acc += y[n-1] */ + acc += (q31_t) S->state[2] << 15; + + /* saturate the output */ + out = (q15_t) (__SSAT((acc >> 15), 16)); + + /* Update state */ + S->state[1] = S->state[0]; + S->state[0] = in; + S->state[2] = out; + + /* return to application */ + return (out); + + } + + /** + * @} end of PID group + */ + + + /** + * @brief Floating-point matrix inverse. + * @param[in] *src points to the instance of the input floating-point matrix structure. + * @param[out] *dst points to the instance of the output floating-point matrix structure. + * @return The function returns ARM_MATH_SIZE_MISMATCH, if the dimensions do not match. + * If the input matrix is singular (does not have an inverse), then the algorithm terminates and returns error status ARM_MATH_SINGULAR. + */ + + arm_status arm_mat_inverse_f32( + const arm_matrix_instance_f32 * src, + arm_matrix_instance_f32 * dst); + + + + /** + * @ingroup groupController + */ + + + /** + * @defgroup clarke Vector Clarke Transform + * Forward Clarke transform converts the instantaneous stator phases into a two-coordinate time invariant vector. + * Generally the Clarke transform uses three-phase currents
Ia, Ib and Ic to calculate currents
+ * in the two-phase orthogonal stator axis Ialpha and Ibeta.
+ * When Ialpha is superposed with Ia as shown in the figure below
+ * \image html clarke.gif Stator current space vector and its components in (a,b).
+ * and Ia + Ib + Ic = 0, in this condition Ialpha and Ibeta
+ * can be calculated using only Ia and Ib.
+ *
+ * The function operates on a single sample of data and each call to the function returns the processed output.
+ * The library provides separate functions for Q31 and floating-point data types.
+ * \par Algorithm
+ * \image html clarkeFormula.gif
+ * where Ia and Ib are the instantaneous stator phases and
+ * pIalpha and pIbeta are the two coordinates of time invariant vector.
+ * \par Fixed-Point Behavior
+ * Care must be taken when using the Q31 version of the Clarke transform.
+ * In particular, the overflow and saturation behavior of the accumulator used must be considered.
+ * Refer to the function specific documentation below for usage guidelines.
+ */
+
+ /**
+ * @addtogroup clarke
+ * @{
+ */
+
+ /**
+ *
+ * @brief Floating-point Clarke transform
+ * @param[in] Ia input three-phase coordinate a
+ * @param[in] Ib input three-phase coordinate b
+ * @param[out] *pIalpha points to output two-phase orthogonal vector axis alpha
+ * @param[out] *pIbeta points to output two-phase orthogonal vector axis beta
+ * @return none.
+ */
+
+ static __INLINE void arm_clarke_f32(
+ float32_t Ia,
+ float32_t Ib,
+ float32_t * pIalpha,
+ float32_t * pIbeta)
+ {
+ /* Calculate pIalpha using the equation, pIalpha = Ia */
+ *pIalpha = Ia;
+
+ /* Calculate pIbeta using the equation, pIbeta = (1/sqrt(3)) * Ia + (2/sqrt(3)) * Ib */
+ *pIbeta =
+ ((float32_t) 0.57735026919 * Ia + (float32_t) 1.15470053838 * Ib);
+
+ }
+
+ /**
+ * @brief Clarke transform for Q31 version
+ * @param[in] Ia input three-phase coordinate a
+ * @param[in] Ib input three-phase coordinate b
+ * @param[out] *pIalpha points to output two-phase orthogonal vector axis alpha
+ * @param[out] *pIbeta points to output two-phase orthogonal vector axis beta
+ * @return none.
+ *
+ * Scaling and Overflow Behavior:
+ * \par
+ * The function is implemented using an internal 32-bit accumulator.
+ * The accumulator maintains 1.31 format by truncating lower 31 bits of the intermediate multiplication in 2.62 format.
+ * There is saturation on the addition, hence there is no risk of overflow.
+ */
+
+ static __INLINE void arm_clarke_q31(
+ q31_t Ia,
+ q31_t Ib,
+ q31_t * pIalpha,
+ q31_t * pIbeta)
+ {
+ q31_t product1, product2; /* Temporary variables used to store intermediate results */
+
+ /* Calculating pIalpha from Ia by equation pIalpha = Ia */
+ *pIalpha = Ia;
+
+ /* Intermediate product is calculated by (1/(sqrt(3)) * Ia) */
+ product1 = (q31_t) (((q63_t) Ia * 0x24F34E8B) >> 30);
+
+ /* Intermediate product is calculated by (2/sqrt(3) * Ib) */
+ product2 = (q31_t) (((q63_t) Ib * 0x49E69D16) >> 30);
+
+ /* pIbeta is calculated by adding the intermediate products */
+ *pIbeta = __QADD(product1, product2);
+ }
+
+ /**
+ * @} end of clarke group
+ */
+
+ /**
+ * @brief Converts the elements of the Q7 vector to Q31 vector.
+ * @param[in] *pSrc input pointer
+ * @param[out] *pDst output pointer
+ * @param[in] blockSize number of samples to process
+ * @return none.
+ */
+ void arm_q7_to_q31(
+ q7_t * pSrc,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+
+
+
+ /**
+ * @ingroup groupController
+ */
+
+ /**
+ * @defgroup inv_clarke Vector Inverse Clarke Transform
+ * Inverse Clarke transform converts the two-coordinate time invariant vector into instantaneous stator phases.
+ *
+ * The function operates on a single sample of data and each call to the function returns the processed output.
+ * The library provides separate functions for Q31 and floating-point data types.
+ * \par Algorithm
+ * \image html clarkeInvFormula.gif
+ * where pIa and pIb are the instantaneous stator phases and
+ * Ialpha and Ibeta are the two coordinates of time invariant vector.
+ * \par Fixed-Point Behavior
+ * Care must be taken when using the Q31 version of the Clarke transform.
+ * In particular, the overflow and saturation behavior of the accumulator used must be considered.
+ * Refer to the function specific documentation below for usage guidelines.
+ */
+
+ /**
+ * @addtogroup inv_clarke
+ * @{
+ */
+
+ /**
+ * @brief Floating-point Inverse Clarke transform
+ * @param[in] Ialpha input two-phase orthogonal vector axis alpha
+ * @param[in] Ibeta input two-phase orthogonal vector axis beta
+ * @param[out] *pIa points to output three-phase coordinate a
+ * @param[out] *pIb points to output three-phase coordinate b
+ * @return none.
+ */
+
+
+ static __INLINE void arm_inv_clarke_f32(
+ float32_t Ialpha,
+ float32_t Ibeta,
+ float32_t * pIa,
+ float32_t * pIb)
+ {
+ /* Calculating pIa from Ialpha by equation pIa = Ialpha */
+ *pIa = Ialpha;
+
+ /* Calculating pIb from Ialpha and Ibeta by equation pIb = -(1/2) * Ialpha + (sqrt(3)/2) * Ibeta */
+ *pIb = -0.5 * Ialpha + (float32_t) 0.8660254039 *Ibeta;
+
+ }
+
+ /**
+ * @brief Inverse Clarke transform for Q31 version
+ * @param[in] Ialpha input two-phase orthogonal vector axis alpha
+ * @param[in] Ibeta input two-phase orthogonal vector axis beta
+ * @param[out] *pIa points to output three-phase coordinate a
+ * @param[out] *pIb points to output three-phase coordinate b
+ * @return none.
+ *
+ * Scaling and Overflow Behavior:
+ * \par
+ * The function is implemented using an internal 32-bit accumulator.
+ * The accumulator maintains 1.31 format by truncating lower 31 bits of the intermediate multiplication in 2.62 format.
+ * There is saturation on the subtraction, hence there is no risk of overflow.
+ */
+
+ static __INLINE void arm_inv_clarke_q31(
+ q31_t Ialpha,
+ q31_t Ibeta,
+ q31_t * pIa,
+ q31_t * pIb)
+ {
+ q31_t product1, product2; /* Temporary variables used to store intermediate results */
+
+ /* Calculating pIa from Ialpha by equation pIa = Ialpha */
+ *pIa = Ialpha;
+
+ /* Intermediate product is calculated by (1/(2*sqrt(3)) * Ia) */
+ product1 = (q31_t) (((q63_t) (Ialpha) * (0x40000000)) >> 31);
+
+ /* Intermediate product is calculated by (1/sqrt(3) * pIb) */
+ product2 = (q31_t) (((q63_t) (Ibeta) * (0x6ED9EBA1)) >> 31);
+
+ /* pIb is calculated by subtracting the products */
+ *pIb = __QSUB(product2, product1);
+
+ }
+
+ /**
+ * @} end of inv_clarke group
+ */
+
+ /**
+ * @brief Converts the elements of the Q7 vector to Q15 vector.
+ * @param[in] *pSrc input pointer
+ * @param[out] *pDst output pointer
+ * @param[in] blockSize number of samples to process
+ * @return none.
+ */
+ void arm_q7_to_q15(
+ q7_t * pSrc,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+
+
+ /**
+ * @ingroup groupController
+ */
+
+ /**
+ * @defgroup park Vector Park Transform
+ *
+ * Forward Park transform converts the input two-coordinate vector to flux and torque components.
+ * The Park transform can be used to realize the transformation of the Ialpha and the Ibeta currents
+ * from the stationary to the moving reference frame and control the spatial relationship between
+ * the stator vector current and rotor flux vector.
+ * If we consider the d axis aligned with the rotor flux, the diagram below shows the
+ * current vector and the relationship from the two reference frames:
+ * \image html park.gif "Stator current space vector and its component in (a,b) and in the d,q rotating reference frame"
+ *
+ * The function operates on a single sample of data and each call to the function returns the processed output.
+ * The library provides separate functions for Q31 and floating-point data types.
+ * \par Algorithm
+ * \image html parkFormula.gif
+ * where Ialpha and Ibeta are the stator vector components,
+ * pId and pIq are rotor vector components and cosVal and sinVal are the
+ * cosine and sine values of theta (rotor flux position).
+ * \par Fixed-Point Behavior
+ * Care must be taken when using the Q31 version of the Park transform.
+ * In particular, the overflow and saturation behavior of the accumulator used must be considered.
+ * Refer to the function specific documentation below for usage guidelines.
+ */
+
+ /**
+ * @addtogroup park
+ * @{
+ */
+
+ /**
+ * @brief Floating-point Park transform
+ * @param[in] Ialpha input two-phase vector coordinate alpha
+ * @param[in] Ibeta input two-phase vector coordinate beta
+ * @param[out] *pId points to output rotor reference frame d
+ * @param[out] *pIq points to output rotor reference frame q
+ * @param[in] sinVal sine value of rotation angle theta
+ * @param[in] cosVal cosine value of rotation angle theta
+ * @return none.
+ *
+ * The function implements the forward Park transform.
+ *
+ */
+
+ static __INLINE void arm_park_f32(
+ float32_t Ialpha,
+ float32_t Ibeta,
+ float32_t * pId,
+ float32_t * pIq,
+ float32_t sinVal,
+ float32_t cosVal)
+ {
+ /* Calculate pId using the equation, pId = Ialpha * cosVal + Ibeta * sinVal */
+ *pId = Ialpha * cosVal + Ibeta * sinVal;
+
+ /* Calculate pIq using the equation, pIq = - Ialpha * sinVal + Ibeta * cosVal */
+ *pIq = -Ialpha * sinVal + Ibeta * cosVal;
+
+ }
+
+ /**
+ * @brief Park transform for Q31 version
+ * @param[in] Ialpha input two-phase vector coordinate alpha
+ * @param[in] Ibeta input two-phase vector coordinate beta
+ * @param[out] *pId points to output rotor reference frame d
+ * @param[out] *pIq points to output rotor reference frame q
+ * @param[in] sinVal sine value of rotation angle theta
+ * @param[in] cosVal cosine value of rotation angle theta
+ * @return none.
+ *
+ * Scaling and Overflow Behavior:
+ * \par
+ * The function is implemented using an internal 32-bit accumulator.
+ * The accumulator maintains 1.31 format by truncating lower 31 bits of the intermediate multiplication in 2.62 format.
+ * There is saturation on the addition and subtraction, hence there is no risk of overflow.
+ */
+
+
+ static __INLINE void arm_park_q31(
+ q31_t Ialpha,
+ q31_t Ibeta,
+ q31_t * pId,
+ q31_t * pIq,
+ q31_t sinVal,
+ q31_t cosVal)
+ {
+ q31_t product1, product2; /* Temporary variables used to store intermediate results */
+ q31_t product3, product4; /* Temporary variables used to store intermediate results */
+
+ /* Intermediate product is calculated by (Ialpha * cosVal) */
+ product1 = (q31_t) (((q63_t) (Ialpha) * (cosVal)) >> 31);
+
+ /* Intermediate product is calculated by (Ibeta * sinVal) */
+ product2 = (q31_t) (((q63_t) (Ibeta) * (sinVal)) >> 31);
+
+
+ /* Intermediate product is calculated by (Ialpha * sinVal) */
+ product3 = (q31_t) (((q63_t) (Ialpha) * (sinVal)) >> 31);
+
+ /* Intermediate product is calculated by (Ibeta * cosVal) */
+ product4 = (q31_t) (((q63_t) (Ibeta) * (cosVal)) >> 31);
+
+ /* Calculate pId by adding the two intermediate products 1 and 2 */
+ *pId = __QADD(product1, product2);
+
+ /* Calculate pIq by subtracting the two intermediate products 3 from 4 */
+ *pIq = __QSUB(product4, product3);
+ }
+
+ /**
+ * @} end of park group
+ */
+
+ /**
+ * @brief Converts the elements of the Q7 vector to floating-point vector.
+ * @param[in] *pSrc is input pointer
+ * @param[out] *pDst is output pointer
+ * @param[in] blockSize is the number of samples to process
+ * @return none.
+ */
+ void arm_q7_to_float(
+ q7_t * pSrc,
+ float32_t * pDst,
+ uint32_t blockSize);
+
+
+ /**
+ * @ingroup groupController
+ */
+
+ /**
+ * @defgroup inv_park Vector Inverse Park transform
+ * Inverse Park transform converts the input flux and torque components to two-coordinate vector.
+ *
+ * The function operates on a single sample of data and each call to the function returns the processed output.
+ * The library provides separate functions for Q31 and floating-point data types.
+ * \par Algorithm
+ * \image html parkInvFormula.gif
+ * where pIalpha and pIbeta are the stator vector components,
+ * Id and Iq are rotor vector components and cosVal and sinVal are the
+ * cosine and sine values of theta (rotor flux position).
+ * \par Fixed-Point Behavior
+ * Care must be taken when using the Q31 version of the Park transform.
+ * In particular, the overflow and saturation behavior of the accumulator used must be considered.
+ * Refer to the function specific documentation below for usage guidelines.
+ */
+
+ /**
+ * @addtogroup inv_park
+ * @{
+ */
+
+ /**
+ * @brief Floating-point Inverse Park transform
+ * @param[in] Id input coordinate of rotor reference frame d
+ * @param[in] Iq input coordinate of rotor reference frame q
+ * @param[out] *pIalpha points to output two-phase orthogonal vector axis alpha
+ * @param[out] *pIbeta points to output two-phase orthogonal vector axis beta
+ * @param[in] sinVal sine value of rotation angle theta
+ * @param[in] cosVal cosine value of rotation angle theta
+ * @return none.
+ */
+
+ static __INLINE void arm_inv_park_f32(
+ float32_t Id,
+ float32_t Iq,
+ float32_t * pIalpha,
+ float32_t * pIbeta,
+ float32_t sinVal,
+ float32_t cosVal)
+ {
+ /* Calculate pIalpha using the equation, pIalpha = Id * cosVal - Iq * sinVal */
+ *pIalpha = Id * cosVal - Iq * sinVal;
+
+ /* Calculate pIbeta using the equation, pIbeta = Id * sinVal + Iq * cosVal */
+ *pIbeta = Id * sinVal + Iq * cosVal;
+
+ }
+
+
+ /**
+ * @brief Inverse Park transform for Q31 version
+ * @param[in] Id input coordinate of rotor reference frame d
+ * @param[in] Iq input coordinate of rotor reference frame q
+ * @param[out] *pIalpha points to output two-phase orthogonal vector axis alpha
+ * @param[out] *pIbeta points to output two-phase orthogonal vector axis beta
+ * @param[in] sinVal sine value of rotation angle theta
+ * @param[in] cosVal cosine value of rotation angle theta
+ * @return none.
+ *
+ * Scaling and Overflow Behavior:
+ * \par
+ * The function is implemented using an internal 32-bit accumulator.
+ * The accumulator maintains 1.31 format by truncating lower 31 bits of the intermediate multiplication in 2.62 format.
+ * There is saturation on the addition, hence there is no risk of overflow.
+ */
+
+
+ static __INLINE void arm_inv_park_q31(
+ q31_t Id,
+ q31_t Iq,
+ q31_t * pIalpha,
+ q31_t * pIbeta,
+ q31_t sinVal,
+ q31_t cosVal)
+ {
+ q31_t product1, product2; /* Temporary variables used to store intermediate results */
+ q31_t product3, product4; /* Temporary variables used to store intermediate results */
+
+ /* Intermediate product is calculated by (Id * cosVal) */
+ product1 = (q31_t) (((q63_t) (Id) * (cosVal)) >> 31);
+
+ /* Intermediate product is calculated by (Iq * sinVal) */
+ product2 = (q31_t) (((q63_t) (Iq) * (sinVal)) >> 31);
+
+
+ /* Intermediate product is calculated by (Id * sinVal) */
+ product3 = (q31_t) (((q63_t) (Id) * (sinVal)) >> 31);
+
+ /* Intermediate product is calculated by (Iq * cosVal) */
+ product4 = (q31_t) (((q63_t) (Iq) * (cosVal)) >> 31);
+
+ /* Calculate pIalpha by using the two intermediate products 1 and 2 */
+ *pIalpha = __QSUB(product1, product2);
+
+ /* Calculate pIbeta by using the two intermediate products 3 and 4 */
+ *pIbeta = __QADD(product4, product3);
+
+ }
+
+ /**
+ * @} end of Inverse park group
+ */
+
+
+ /**
+ * @brief Converts the elements of the Q31 vector to floating-point vector.
+ * @param[in] *pSrc is input pointer
+ * @param[out] *pDst is output pointer
+ * @param[in] blockSize is the number of samples to process
+ * @return none.
+ */
+ void arm_q31_to_float(
+ q31_t * pSrc,
+ float32_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @ingroup groupInterpolation
+ */
+
+ /**
+ * @defgroup LinearInterpolate Linear Interpolation
+ *
+ * Linear interpolation is a method of curve fitting using linear polynomials.
+ * Linear interpolation works by effectively drawing a straight line between two neighboring samples and returning the appropriate point along that line
+ *
+ * \par
+ * \image html LinearInterp.gif "Linear interpolation"
+ *
+ * \par
+ * A Linear Interpolate function calculates an output value(y), for the input(x)
+ * using linear interpolation of the input values x0, x1( nearest input values) and the output values y0 and y1(nearest output values)
+ *
+ * \par Algorithm:
+ * + * y = y0 + (x - x0) * ((y1 - y0)/(x1-x0)) + * where x0, x1 are nearest values of input x + * y0, y1 are nearest values to output y + *+ * + * \par + * This set of functions implements Linear interpolation process + * for Q7, Q15, Q31, and floating-point data types. The functions operate on a single + * sample of data and each call to the function returns a single processed value. + *
S points to an instance of the Linear Interpolate function data structure.
+ * x is the input sample value. The functions returns the output value.
+ *
+ * \par
+ * if x is outside of the table boundary, Linear interpolation returns first value of the table
+ * if x is below input range and returns last value of table if x is above range.
+ */
+
+ /**
+ * @addtogroup LinearInterpolate
+ * @{
+ */
+
+ /**
+ * @brief Process function for the floating-point Linear Interpolation Function.
+ * @param[in,out] *S is an instance of the floating-point Linear Interpolation structure
+ * @param[in] x input sample to process
+ * @return y processed output sample.
+ *
+ */
+
+ static __INLINE float32_t arm_linear_interp_f32(
+ arm_linear_interp_instance_f32 * S,
+ float32_t x)
+ {
+
+ float32_t y;
+ float32_t x0, x1; /* Nearest input values */
+ float32_t y0, y1; /* Nearest output values */
+ float32_t xSpacing = S->xSpacing; /* spacing between input values */
+ int32_t i; /* Index variable */
+ float32_t *pYData = S->pYData; /* pointer to output table */
+
+ /* Calculation of index */
+ i = (int32_t) ((x - S->x1) / xSpacing);
+
+ if(i < 0)
+ {
+ /* Iniatilize output for below specified range as least output value of table */
+ y = pYData[0];
+ }
+ else if((uint32_t)i >= S->nValues)
+ {
+ /* Iniatilize output for above specified range as last output value of table */
+ y = pYData[S->nValues - 1];
+ }
+ else
+ {
+ /* Calculation of nearest input values */
+ x0 = S->x1 + i * xSpacing;
+ x1 = S->x1 + (i + 1) * xSpacing;
+
+ /* Read of nearest output values */
+ y0 = pYData[i];
+ y1 = pYData[i + 1];
+
+ /* Calculation of output */
+ y = y0 + (x - x0) * ((y1 - y0) / (x1 - x0));
+
+ }
+
+ /* returns output value */
+ return (y);
+ }
+
+ /**
+ *
+ * @brief Process function for the Q31 Linear Interpolation Function.
+ * @param[in] *pYData pointer to Q31 Linear Interpolation table
+ * @param[in] x input sample to process
+ * @param[in] nValues number of table values
+ * @return y processed output sample.
+ *
+ * \par
+ * Input sample x is in 12.20 format which contains 12 bits for table index and 20 bits for fractional part.
+ * This function can support maximum of table size 2^12.
+ *
+ */
+
+
+ static __INLINE q31_t arm_linear_interp_q31(
+ q31_t * pYData,
+ q31_t x,
+ uint32_t nValues)
+ {
+ q31_t y; /* output */
+ q31_t y0, y1; /* Nearest output values */
+ q31_t fract; /* fractional part */
+ int32_t index; /* Index to read nearest output values */
+
+ /* Input is in 12.20 format */
+ /* 12 bits for the table index */
+ /* Index value calculation */
+ index = ((x & 0xFFF00000) >> 20);
+
+ if(index >= (int32_t)(nValues - 1))
+ {
+ return (pYData[nValues - 1]);
+ }
+ else if(index < 0)
+ {
+ return (pYData[0]);
+ }
+ else
+ {
+
+ /* 20 bits for the fractional part */
+ /* shift left by 11 to keep fract in 1.31 format */
+ fract = (x & 0x000FFFFF) << 11;
+
+ /* Read two nearest output values from the index in 1.31(q31) format */
+ y0 = pYData[index];
+ y1 = pYData[index + 1u];
+
+ /* Calculation of y0 * (1-fract) and y is in 2.30 format */
+ y = ((q31_t) ((q63_t) y0 * (0x7FFFFFFF - fract) >> 32));
+
+ /* Calculation of y0 * (1-fract) + y1 *fract and y is in 2.30 format */
+ y += ((q31_t) (((q63_t) y1 * fract) >> 32));
+
+ /* Convert y to 1.31 format */
+ return (y << 1u);
+
+ }
+
+ }
+
+ /**
+ *
+ * @brief Process function for the Q15 Linear Interpolation Function.
+ * @param[in] *pYData pointer to Q15 Linear Interpolation table
+ * @param[in] x input sample to process
+ * @param[in] nValues number of table values
+ * @return y processed output sample.
+ *
+ * \par
+ * Input sample x is in 12.20 format which contains 12 bits for table index and 20 bits for fractional part.
+ * This function can support maximum of table size 2^12.
+ *
+ */
+
+
+ static __INLINE q15_t arm_linear_interp_q15(
+ q15_t * pYData,
+ q31_t x,
+ uint32_t nValues)
+ {
+ q63_t y; /* output */
+ q15_t y0, y1; /* Nearest output values */
+ q31_t fract; /* fractional part */
+ int32_t index; /* Index to read nearest output values */
+
+ /* Input is in 12.20 format */
+ /* 12 bits for the table index */
+ /* Index value calculation */
+ index = ((x & 0xFFF00000) >> 20u);
+
+ if(index >= (int32_t)(nValues - 1))
+ {
+ return (pYData[nValues - 1]);
+ }
+ else if(index < 0)
+ {
+ return (pYData[0]);
+ }
+ else
+ {
+ /* 20 bits for the fractional part */
+ /* fract is in 12.20 format */
+ fract = (x & 0x000FFFFF);
+
+ /* Read two nearest output values from the index */
+ y0 = pYData[index];
+ y1 = pYData[index + 1u];
+
+ /* Calculation of y0 * (1-fract) and y is in 13.35 format */
+ y = ((q63_t) y0 * (0xFFFFF - fract));
+
+ /* Calculation of (y0 * (1-fract) + y1 * fract) and y is in 13.35 format */
+ y += ((q63_t) y1 * (fract));
+
+ /* convert y to 1.15 format */
+ return (y >> 20);
+ }
+
+
+ }
+
+ /**
+ *
+ * @brief Process function for the Q7 Linear Interpolation Function.
+ * @param[in] *pYData pointer to Q7 Linear Interpolation table
+ * @param[in] x input sample to process
+ * @param[in] nValues number of table values
+ * @return y processed output sample.
+ *
+ * \par
+ * Input sample x is in 12.20 format which contains 12 bits for table index and 20 bits for fractional part.
+ * This function can support maximum of table size 2^12.
+ */
+
+
+ static __INLINE q7_t arm_linear_interp_q7(
+ q7_t * pYData,
+ q31_t x,
+ uint32_t nValues)
+ {
+ q31_t y; /* output */
+ q7_t y0, y1; /* Nearest output values */
+ q31_t fract; /* fractional part */
+ uint32_t index; /* Index to read nearest output values */
+
+ /* Input is in 12.20 format */
+ /* 12 bits for the table index */
+ /* Index value calculation */
+ if (x < 0)
+ {
+ return (pYData[0]);
+ }
+ index = (x >> 20) & 0xfff;
+
+
+ if(index >= (nValues - 1))
+ {
+ return (pYData[nValues - 1]);
+ }
+ else
+ {
+
+ /* 20 bits for the fractional part */
+ /* fract is in 12.20 format */
+ fract = (x & 0x000FFFFF);
+
+ /* Read two nearest output values from the index and are in 1.7(q7) format */
+ y0 = pYData[index];
+ y1 = pYData[index + 1u];
+
+ /* Calculation of y0 * (1-fract ) and y is in 13.27(q27) format */
+ y = ((y0 * (0xFFFFF - fract)));
+
+ /* Calculation of y1 * fract + y0 * (1-fract) and y is in 13.27(q27) format */
+ y += (y1 * fract);
+
+ /* convert y to 1.7(q7) format */
+ return (y >> 20u);
+
+ }
+
+ }
+ /**
+ * @} end of LinearInterpolate group
+ */
+
+ /**
+ * @brief Fast approximation to the trigonometric sine function for floating-point data.
+ * @param[in] x input value in radians.
+ * @return sin(x).
+ */
+
+ float32_t arm_sin_f32(
+ float32_t x);
+
+ /**
+ * @brief Fast approximation to the trigonometric sine function for Q31 data.
+ * @param[in] x Scaled input value in radians.
+ * @return sin(x).
+ */
+
+ q31_t arm_sin_q31(
+ q31_t x);
+
+ /**
+ * @brief Fast approximation to the trigonometric sine function for Q15 data.
+ * @param[in] x Scaled input value in radians.
+ * @return sin(x).
+ */
+
+ q15_t arm_sin_q15(
+ q15_t x);
+
+ /**
+ * @brief Fast approximation to the trigonometric cosine function for floating-point data.
+ * @param[in] x input value in radians.
+ * @return cos(x).
+ */
+
+ float32_t arm_cos_f32(
+ float32_t x);
+
+ /**
+ * @brief Fast approximation to the trigonometric cosine function for Q31 data.
+ * @param[in] x Scaled input value in radians.
+ * @return cos(x).
+ */
+
+ q31_t arm_cos_q31(
+ q31_t x);
+
+ /**
+ * @brief Fast approximation to the trigonometric cosine function for Q15 data.
+ * @param[in] x Scaled input value in radians.
+ * @return cos(x).
+ */
+
+ q15_t arm_cos_q15(
+ q15_t x);
+
+
+ /**
+ * @ingroup groupFastMath
+ */
+
+
+ /**
+ * @defgroup SQRT Square Root
+ *
+ * Computes the square root of a number.
+ * There are separate functions for Q15, Q31, and floating-point data types.
+ * The square root function is computed using the Newton-Raphson algorithm.
+ * This is an iterative algorithm of the form:
+ * + * x1 = x0 - f(x0)/f'(x0) + *+ * where
x1 is the current estimate,
+ * x0 is the previous estimate, and
+ * f'(x0) is the derivative of f() evaluated at x0.
+ * For the square root function, the algorithm reduces to:
+ * + * x0 = in/2 [initial guess] + * x1 = 1/2 * ( x0 + in / x0) [each iteration] + *+ */ + + + /** + * @addtogroup SQRT + * @{ + */ + + /** + * @brief Floating-point square root function. + * @param[in] in input value. + * @param[out] *pOut square root of input value. + * @return The function returns ARM_MATH_SUCCESS if input value is positive value or ARM_MATH_ARGUMENT_ERROR if + *
in is negative value and returns zero output for negative values.
+ */
+
+ static __INLINE arm_status arm_sqrt_f32(
+ float32_t in,
+ float32_t * pOut)
+ {
+ if(in > 0)
+ {
+
+// #if __FPU_USED
+#if (__FPU_USED == 1) && defined ( __CC_ARM )
+ *pOut = __sqrtf(in);
+#else
+ *pOut = sqrtf(in);
+#endif
+
+ return (ARM_MATH_SUCCESS);
+ }
+ else
+ {
+ *pOut = 0.0f;
+ return (ARM_MATH_ARGUMENT_ERROR);
+ }
+
+ }
+
+
+ /**
+ * @brief Q31 square root function.
+ * @param[in] in input value. The range of the input value is [0 +1) or 0x00000000 to 0x7FFFFFFF.
+ * @param[out] *pOut square root of input value.
+ * @return The function returns ARM_MATH_SUCCESS if input value is positive value or ARM_MATH_ARGUMENT_ERROR if
+ * in is negative value and returns zero output for negative values.
+ */
+ arm_status arm_sqrt_q31(
+ q31_t in,
+ q31_t * pOut);
+
+ /**
+ * @brief Q15 square root function.
+ * @param[in] in input value. The range of the input value is [0 +1) or 0x0000 to 0x7FFF.
+ * @param[out] *pOut square root of input value.
+ * @return The function returns ARM_MATH_SUCCESS if input value is positive value or ARM_MATH_ARGUMENT_ERROR if
+ * in is negative value and returns zero output for negative values.
+ */
+ arm_status arm_sqrt_q15(
+ q15_t in,
+ q15_t * pOut);
+
+ /**
+ * @} end of SQRT group
+ */
+
+
+
+
+
+
+ /**
+ * @brief floating-point Circular write function.
+ */
+
+ static __INLINE void arm_circularWrite_f32(
+ int32_t * circBuffer,
+ int32_t L,
+ uint16_t * writeOffset,
+ int32_t bufferInc,
+ const int32_t * src,
+ int32_t srcInc,
+ uint32_t blockSize)
+ {
+ uint32_t i = 0u;
+ int32_t wOffset;
+
+ /* Copy the value of Index pointer that points
+ * to the current location where the input samples to be copied */
+ wOffset = *writeOffset;
+
+ /* Loop over the blockSize */
+ i = blockSize;
+
+ while(i > 0u)
+ {
+ /* copy the input sample to the circular buffer */
+ circBuffer[wOffset] = *src;
+
+ /* Update the input pointer */
+ src += srcInc;
+
+ /* Circularly update wOffset. Watch out for positive and negative value */
+ wOffset += bufferInc;
+ if(wOffset >= L)
+ wOffset -= L;
+
+ /* Decrement the loop counter */
+ i--;
+ }
+
+ /* Update the index pointer */
+ *writeOffset = wOffset;
+ }
+
+
+
+ /**
+ * @brief floating-point Circular Read function.
+ */
+ static __INLINE void arm_circularRead_f32(
+ int32_t * circBuffer,
+ int32_t L,
+ int32_t * readOffset,
+ int32_t bufferInc,
+ int32_t * dst,
+ int32_t * dst_base,
+ int32_t dst_length,
+ int32_t dstInc,
+ uint32_t blockSize)
+ {
+ uint32_t i = 0u;
+ int32_t rOffset, dst_end;
+
+ /* Copy the value of Index pointer that points
+ * to the current location from where the input samples to be read */
+ rOffset = *readOffset;
+ dst_end = (int32_t) (dst_base + dst_length);
+
+ /* Loop over the blockSize */
+ i = blockSize;
+
+ while(i > 0u)
+ {
+ /* copy the sample from the circular buffer to the destination buffer */
+ *dst = circBuffer[rOffset];
+
+ /* Update the input pointer */
+ dst += dstInc;
+
+ if(dst == (int32_t *) dst_end)
+ {
+ dst = dst_base;
+ }
+
+ /* Circularly update rOffset. Watch out for positive and negative value */
+ rOffset += bufferInc;
+
+ if(rOffset >= L)
+ {
+ rOffset -= L;
+ }
+
+ /* Decrement the loop counter */
+ i--;
+ }
+
+ /* Update the index pointer */
+ *readOffset = rOffset;
+ }
+
+ /**
+ * @brief Q15 Circular write function.
+ */
+
+ static __INLINE void arm_circularWrite_q15(
+ q15_t * circBuffer,
+ int32_t L,
+ uint16_t * writeOffset,
+ int32_t bufferInc,
+ const q15_t * src,
+ int32_t srcInc,
+ uint32_t blockSize)
+ {
+ uint32_t i = 0u;
+ int32_t wOffset;
+
+ /* Copy the value of Index pointer that points
+ * to the current location where the input samples to be copied */
+ wOffset = *writeOffset;
+
+ /* Loop over the blockSize */
+ i = blockSize;
+
+ while(i > 0u)
+ {
+ /* copy the input sample to the circular buffer */
+ circBuffer[wOffset] = *src;
+
+ /* Update the input pointer */
+ src += srcInc;
+
+ /* Circularly update wOffset. Watch out for positive and negative value */
+ wOffset += bufferInc;
+ if(wOffset >= L)
+ wOffset -= L;
+
+ /* Decrement the loop counter */
+ i--;
+ }
+
+ /* Update the index pointer */
+ *writeOffset = wOffset;
+ }
+
+
+
+ /**
+ * @brief Q15 Circular Read function.
+ */
+ static __INLINE void arm_circularRead_q15(
+ q15_t * circBuffer,
+ int32_t L,
+ int32_t * readOffset,
+ int32_t bufferInc,
+ q15_t * dst,
+ q15_t * dst_base,
+ int32_t dst_length,
+ int32_t dstInc,
+ uint32_t blockSize)
+ {
+ uint32_t i = 0;
+ int32_t rOffset, dst_end;
+
+ /* Copy the value of Index pointer that points
+ * to the current location from where the input samples to be read */
+ rOffset = *readOffset;
+
+ dst_end = (int32_t) (dst_base + dst_length);
+
+ /* Loop over the blockSize */
+ i = blockSize;
+
+ while(i > 0u)
+ {
+ /* copy the sample from the circular buffer to the destination buffer */
+ *dst = circBuffer[rOffset];
+
+ /* Update the input pointer */
+ dst += dstInc;
+
+ if(dst == (q15_t *) dst_end)
+ {
+ dst = dst_base;
+ }
+
+ /* Circularly update wOffset. Watch out for positive and negative value */
+ rOffset += bufferInc;
+
+ if(rOffset >= L)
+ {
+ rOffset -= L;
+ }
+
+ /* Decrement the loop counter */
+ i--;
+ }
+
+ /* Update the index pointer */
+ *readOffset = rOffset;
+ }
+
+
+ /**
+ * @brief Q7 Circular write function.
+ */
+
+ static __INLINE void arm_circularWrite_q7(
+ q7_t * circBuffer,
+ int32_t L,
+ uint16_t * writeOffset,
+ int32_t bufferInc,
+ const q7_t * src,
+ int32_t srcInc,
+ uint32_t blockSize)
+ {
+ uint32_t i = 0u;
+ int32_t wOffset;
+
+ /* Copy the value of Index pointer that points
+ * to the current location where the input samples to be copied */
+ wOffset = *writeOffset;
+
+ /* Loop over the blockSize */
+ i = blockSize;
+
+ while(i > 0u)
+ {
+ /* copy the input sample to the circular buffer */
+ circBuffer[wOffset] = *src;
+
+ /* Update the input pointer */
+ src += srcInc;
+
+ /* Circularly update wOffset. Watch out for positive and negative value */
+ wOffset += bufferInc;
+ if(wOffset >= L)
+ wOffset -= L;
+
+ /* Decrement the loop counter */
+ i--;
+ }
+
+ /* Update the index pointer */
+ *writeOffset = wOffset;
+ }
+
+
+
+ /**
+ * @brief Q7 Circular Read function.
+ */
+ static __INLINE void arm_circularRead_q7(
+ q7_t * circBuffer,
+ int32_t L,
+ int32_t * readOffset,
+ int32_t bufferInc,
+ q7_t * dst,
+ q7_t * dst_base,
+ int32_t dst_length,
+ int32_t dstInc,
+ uint32_t blockSize)
+ {
+ uint32_t i = 0;
+ int32_t rOffset, dst_end;
+
+ /* Copy the value of Index pointer that points
+ * to the current location from where the input samples to be read */
+ rOffset = *readOffset;
+
+ dst_end = (int32_t) (dst_base + dst_length);
+
+ /* Loop over the blockSize */
+ i = blockSize;
+
+ while(i > 0u)
+ {
+ /* copy the sample from the circular buffer to the destination buffer */
+ *dst = circBuffer[rOffset];
+
+ /* Update the input pointer */
+ dst += dstInc;
+
+ if(dst == (q7_t *) dst_end)
+ {
+ dst = dst_base;
+ }
+
+ /* Circularly update rOffset. Watch out for positive and negative value */
+ rOffset += bufferInc;
+
+ if(rOffset >= L)
+ {
+ rOffset -= L;
+ }
+
+ /* Decrement the loop counter */
+ i--;
+ }
+
+ /* Update the index pointer */
+ *readOffset = rOffset;
+ }
+
+
+ /**
+ * @brief Sum of the squares of the elements of a Q31 vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output value.
+ * @return none.
+ */
+
+ void arm_power_q31(
+ q31_t * pSrc,
+ uint32_t blockSize,
+ q63_t * pResult);
+
+ /**
+ * @brief Sum of the squares of the elements of a floating-point vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output value.
+ * @return none.
+ */
+
+ void arm_power_f32(
+ float32_t * pSrc,
+ uint32_t blockSize,
+ float32_t * pResult);
+
+ /**
+ * @brief Sum of the squares of the elements of a Q15 vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output value.
+ * @return none.
+ */
+
+ void arm_power_q15(
+ q15_t * pSrc,
+ uint32_t blockSize,
+ q63_t * pResult);
+
+ /**
+ * @brief Sum of the squares of the elements of a Q7 vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output value.
+ * @return none.
+ */
+
+ void arm_power_q7(
+ q7_t * pSrc,
+ uint32_t blockSize,
+ q31_t * pResult);
+
+ /**
+ * @brief Mean value of a Q7 vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output value.
+ * @return none.
+ */
+
+ void arm_mean_q7(
+ q7_t * pSrc,
+ uint32_t blockSize,
+ q7_t * pResult);
+
+ /**
+ * @brief Mean value of a Q15 vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output value.
+ * @return none.
+ */
+ void arm_mean_q15(
+ q15_t * pSrc,
+ uint32_t blockSize,
+ q15_t * pResult);
+
+ /**
+ * @brief Mean value of a Q31 vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output value.
+ * @return none.
+ */
+ void arm_mean_q31(
+ q31_t * pSrc,
+ uint32_t blockSize,
+ q31_t * pResult);
+
+ /**
+ * @brief Mean value of a floating-point vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output value.
+ * @return none.
+ */
+ void arm_mean_f32(
+ float32_t * pSrc,
+ uint32_t blockSize,
+ float32_t * pResult);
+
+ /**
+ * @brief Variance of the elements of a floating-point vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output value.
+ * @return none.
+ */
+
+ void arm_var_f32(
+ float32_t * pSrc,
+ uint32_t blockSize,
+ float32_t * pResult);
+
+ /**
+ * @brief Variance of the elements of a Q31 vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output value.
+ * @return none.
+ */
+
+ void arm_var_q31(
+ q31_t * pSrc,
+ uint32_t blockSize,
+ q63_t * pResult);
+
+ /**
+ * @brief Variance of the elements of a Q15 vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output value.
+ * @return none.
+ */
+
+ void arm_var_q15(
+ q15_t * pSrc,
+ uint32_t blockSize,
+ q31_t * pResult);
+
+ /**
+ * @brief Root Mean Square of the elements of a floating-point vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output value.
+ * @return none.
+ */
+
+ void arm_rms_f32(
+ float32_t * pSrc,
+ uint32_t blockSize,
+ float32_t * pResult);
+
+ /**
+ * @brief Root Mean Square of the elements of a Q31 vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output value.
+ * @return none.
+ */
+
+ void arm_rms_q31(
+ q31_t * pSrc,
+ uint32_t blockSize,
+ q31_t * pResult);
+
+ /**
+ * @brief Root Mean Square of the elements of a Q15 vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output value.
+ * @return none.
+ */
+
+ void arm_rms_q15(
+ q15_t * pSrc,
+ uint32_t blockSize,
+ q15_t * pResult);
+
+ /**
+ * @brief Standard deviation of the elements of a floating-point vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output value.
+ * @return none.
+ */
+
+ void arm_std_f32(
+ float32_t * pSrc,
+ uint32_t blockSize,
+ float32_t * pResult);
+
+ /**
+ * @brief Standard deviation of the elements of a Q31 vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output value.
+ * @return none.
+ */
+
+ void arm_std_q31(
+ q31_t * pSrc,
+ uint32_t blockSize,
+ q31_t * pResult);
+
+ /**
+ * @brief Standard deviation of the elements of a Q15 vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output value.
+ * @return none.
+ */
+
+ void arm_std_q15(
+ q15_t * pSrc,
+ uint32_t blockSize,
+ q15_t * pResult);
+
+ /**
+ * @brief Floating-point complex magnitude
+ * @param[in] *pSrc points to the complex input vector
+ * @param[out] *pDst points to the real output vector
+ * @param[in] numSamples number of complex samples in the input vector
+ * @return none.
+ */
+
+ void arm_cmplx_mag_f32(
+ float32_t * pSrc,
+ float32_t * pDst,
+ uint32_t numSamples);
+
+ /**
+ * @brief Q31 complex magnitude
+ * @param[in] *pSrc points to the complex input vector
+ * @param[out] *pDst points to the real output vector
+ * @param[in] numSamples number of complex samples in the input vector
+ * @return none.
+ */
+
+ void arm_cmplx_mag_q31(
+ q31_t * pSrc,
+ q31_t * pDst,
+ uint32_t numSamples);
+
+ /**
+ * @brief Q15 complex magnitude
+ * @param[in] *pSrc points to the complex input vector
+ * @param[out] *pDst points to the real output vector
+ * @param[in] numSamples number of complex samples in the input vector
+ * @return none.
+ */
+
+ void arm_cmplx_mag_q15(
+ q15_t * pSrc,
+ q15_t * pDst,
+ uint32_t numSamples);
+
+ /**
+ * @brief Q15 complex dot product
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[in] numSamples number of complex samples in each vector
+ * @param[out] *realResult real part of the result returned here
+ * @param[out] *imagResult imaginary part of the result returned here
+ * @return none.
+ */
+
+ void arm_cmplx_dot_prod_q15(
+ q15_t * pSrcA,
+ q15_t * pSrcB,
+ uint32_t numSamples,
+ q31_t * realResult,
+ q31_t * imagResult);
+
+ /**
+ * @brief Q31 complex dot product
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[in] numSamples number of complex samples in each vector
+ * @param[out] *realResult real part of the result returned here
+ * @param[out] *imagResult imaginary part of the result returned here
+ * @return none.
+ */
+
+ void arm_cmplx_dot_prod_q31(
+ q31_t * pSrcA,
+ q31_t * pSrcB,
+ uint32_t numSamples,
+ q63_t * realResult,
+ q63_t * imagResult);
+
+ /**
+ * @brief Floating-point complex dot product
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[in] numSamples number of complex samples in each vector
+ * @param[out] *realResult real part of the result returned here
+ * @param[out] *imagResult imaginary part of the result returned here
+ * @return none.
+ */
+
+ void arm_cmplx_dot_prod_f32(
+ float32_t * pSrcA,
+ float32_t * pSrcB,
+ uint32_t numSamples,
+ float32_t * realResult,
+ float32_t * imagResult);
+
+ /**
+ * @brief Q15 complex-by-real multiplication
+ * @param[in] *pSrcCmplx points to the complex input vector
+ * @param[in] *pSrcReal points to the real input vector
+ * @param[out] *pCmplxDst points to the complex output vector
+ * @param[in] numSamples number of samples in each vector
+ * @return none.
+ */
+
+ void arm_cmplx_mult_real_q15(
+ q15_t * pSrcCmplx,
+ q15_t * pSrcReal,
+ q15_t * pCmplxDst,
+ uint32_t numSamples);
+
+ /**
+ * @brief Q31 complex-by-real multiplication
+ * @param[in] *pSrcCmplx points to the complex input vector
+ * @param[in] *pSrcReal points to the real input vector
+ * @param[out] *pCmplxDst points to the complex output vector
+ * @param[in] numSamples number of samples in each vector
+ * @return none.
+ */
+
+ void arm_cmplx_mult_real_q31(
+ q31_t * pSrcCmplx,
+ q31_t * pSrcReal,
+ q31_t * pCmplxDst,
+ uint32_t numSamples);
+
+ /**
+ * @brief Floating-point complex-by-real multiplication
+ * @param[in] *pSrcCmplx points to the complex input vector
+ * @param[in] *pSrcReal points to the real input vector
+ * @param[out] *pCmplxDst points to the complex output vector
+ * @param[in] numSamples number of samples in each vector
+ * @return none.
+ */
+
+ void arm_cmplx_mult_real_f32(
+ float32_t * pSrcCmplx,
+ float32_t * pSrcReal,
+ float32_t * pCmplxDst,
+ uint32_t numSamples);
+
+ /**
+ * @brief Minimum value of a Q7 vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *result is output pointer
+ * @param[in] index is the array index of the minimum value in the input buffer.
+ * @return none.
+ */
+
+ void arm_min_q7(
+ q7_t * pSrc,
+ uint32_t blockSize,
+ q7_t * result,
+ uint32_t * index);
+
+ /**
+ * @brief Minimum value of a Q15 vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output pointer
+ * @param[in] *pIndex is the array index of the minimum value in the input buffer.
+ * @return none.
+ */
+
+ void arm_min_q15(
+ q15_t * pSrc,
+ uint32_t blockSize,
+ q15_t * pResult,
+ uint32_t * pIndex);
+
+ /**
+ * @brief Minimum value of a Q31 vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output pointer
+ * @param[out] *pIndex is the array index of the minimum value in the input buffer.
+ * @return none.
+ */
+ void arm_min_q31(
+ q31_t * pSrc,
+ uint32_t blockSize,
+ q31_t * pResult,
+ uint32_t * pIndex);
+
+ /**
+ * @brief Minimum value of a floating-point vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output pointer
+ * @param[out] *pIndex is the array index of the minimum value in the input buffer.
+ * @return none.
+ */
+
+ void arm_min_f32(
+ float32_t * pSrc,
+ uint32_t blockSize,
+ float32_t * pResult,
+ uint32_t * pIndex);
+
+/**
+ * @brief Maximum value of a Q7 vector.
+ * @param[in] *pSrc points to the input buffer
+ * @param[in] blockSize length of the input vector
+ * @param[out] *pResult maximum value returned here
+ * @param[out] *pIndex index of maximum value returned here
+ * @return none.
+ */
+
+ void arm_max_q7(
+ q7_t * pSrc,
+ uint32_t blockSize,
+ q7_t * pResult,
+ uint32_t * pIndex);
+
+/**
+ * @brief Maximum value of a Q15 vector.
+ * @param[in] *pSrc points to the input buffer
+ * @param[in] blockSize length of the input vector
+ * @param[out] *pResult maximum value returned here
+ * @param[out] *pIndex index of maximum value returned here
+ * @return none.
+ */
+
+ void arm_max_q15(
+ q15_t * pSrc,
+ uint32_t blockSize,
+ q15_t * pResult,
+ uint32_t * pIndex);
+
+/**
+ * @brief Maximum value of a Q31 vector.
+ * @param[in] *pSrc points to the input buffer
+ * @param[in] blockSize length of the input vector
+ * @param[out] *pResult maximum value returned here
+ * @param[out] *pIndex index of maximum value returned here
+ * @return none.
+ */
+
+ void arm_max_q31(
+ q31_t * pSrc,
+ uint32_t blockSize,
+ q31_t * pResult,
+ uint32_t * pIndex);
+
+/**
+ * @brief Maximum value of a floating-point vector.
+ * @param[in] *pSrc points to the input buffer
+ * @param[in] blockSize length of the input vector
+ * @param[out] *pResult maximum value returned here
+ * @param[out] *pIndex index of maximum value returned here
+ * @return none.
+ */
+
+ void arm_max_f32(
+ float32_t * pSrc,
+ uint32_t blockSize,
+ float32_t * pResult,
+ uint32_t * pIndex);
+
+ /**
+ * @brief Q15 complex-by-complex multiplication
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] numSamples number of complex samples in each vector
+ * @return none.
+ */
+
+ void arm_cmplx_mult_cmplx_q15(
+ q15_t * pSrcA,
+ q15_t * pSrcB,
+ q15_t * pDst,
+ uint32_t numSamples);
+
+ /**
+ * @brief Q31 complex-by-complex multiplication
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] numSamples number of complex samples in each vector
+ * @return none.
+ */
+
+ void arm_cmplx_mult_cmplx_q31(
+ q31_t * pSrcA,
+ q31_t * pSrcB,
+ q31_t * pDst,
+ uint32_t numSamples);
+
+ /**
+ * @brief Floating-point complex-by-complex multiplication
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] numSamples number of complex samples in each vector
+ * @return none.
+ */
+
+ void arm_cmplx_mult_cmplx_f32(
+ float32_t * pSrcA,
+ float32_t * pSrcB,
+ float32_t * pDst,
+ uint32_t numSamples);
+
+ /**
+ * @brief Converts the elements of the floating-point vector to Q31 vector.
+ * @param[in] *pSrc points to the floating-point input vector
+ * @param[out] *pDst points to the Q31 output vector
+ * @param[in] blockSize length of the input vector
+ * @return none.
+ */
+ void arm_float_to_q31(
+ float32_t * pSrc,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Converts the elements of the floating-point vector to Q15 vector.
+ * @param[in] *pSrc points to the floating-point input vector
+ * @param[out] *pDst points to the Q15 output vector
+ * @param[in] blockSize length of the input vector
+ * @return none
+ */
+ void arm_float_to_q15(
+ float32_t * pSrc,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Converts the elements of the floating-point vector to Q7 vector.
+ * @param[in] *pSrc points to the floating-point input vector
+ * @param[out] *pDst points to the Q7 output vector
+ * @param[in] blockSize length of the input vector
+ * @return none
+ */
+ void arm_float_to_q7(
+ float32_t * pSrc,
+ q7_t * pDst,
+ uint32_t blockSize);
+
+
+ /**
+ * @brief Converts the elements of the Q31 vector to Q15 vector.
+ * @param[in] *pSrc is input pointer
+ * @param[out] *pDst is output pointer
+ * @param[in] blockSize is the number of samples to process
+ * @return none.
+ */
+ void arm_q31_to_q15(
+ q31_t * pSrc,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Converts the elements of the Q31 vector to Q7 vector.
+ * @param[in] *pSrc is input pointer
+ * @param[out] *pDst is output pointer
+ * @param[in] blockSize is the number of samples to process
+ * @return none.
+ */
+ void arm_q31_to_q7(
+ q31_t * pSrc,
+ q7_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Converts the elements of the Q15 vector to floating-point vector.
+ * @param[in] *pSrc is input pointer
+ * @param[out] *pDst is output pointer
+ * @param[in] blockSize is the number of samples to process
+ * @return none.
+ */
+ void arm_q15_to_float(
+ q15_t * pSrc,
+ float32_t * pDst,
+ uint32_t blockSize);
+
+
+ /**
+ * @brief Converts the elements of the Q15 vector to Q31 vector.
+ * @param[in] *pSrc is input pointer
+ * @param[out] *pDst is output pointer
+ * @param[in] blockSize is the number of samples to process
+ * @return none.
+ */
+ void arm_q15_to_q31(
+ q15_t * pSrc,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+
+ /**
+ * @brief Converts the elements of the Q15 vector to Q7 vector.
+ * @param[in] *pSrc is input pointer
+ * @param[out] *pDst is output pointer
+ * @param[in] blockSize is the number of samples to process
+ * @return none.
+ */
+ void arm_q15_to_q7(
+ q15_t * pSrc,
+ q7_t * pDst,
+ uint32_t blockSize);
+
+
+ /**
+ * @ingroup groupInterpolation
+ */
+
+ /**
+ * @defgroup BilinearInterpolate Bilinear Interpolation
+ *
+ * Bilinear interpolation is an extension of linear interpolation applied to a two dimensional grid.
+ * The underlying function f(x, y) is sampled on a regular grid and the interpolation process
+ * determines values between the grid points.
+ * Bilinear interpolation is equivalent to two step linear interpolation, first in the x-dimension and then in the y-dimension.
+ * Bilinear interpolation is often used in image processing to rescale images.
+ * The CMSIS DSP library provides bilinear interpolation functions for Q7, Q15, Q31, and floating-point data types.
+ *
+ * Algorithm
+ * \par
+ * The instance structure used by the bilinear interpolation functions describes a two dimensional data table.
+ * For floating-point, the instance structure is defined as:
+ *
+ * typedef struct
+ * {
+ * uint16_t numRows;
+ * uint16_t numCols;
+ * float32_t *pData;
+ * } arm_bilinear_interp_instance_f32;
+ *
+ *
+ * \par
+ * where numRows specifies the number of rows in the table;
+ * numCols specifies the number of columns in the table;
+ * and pData points to an array of size numRows*numCols values.
+ * The data table pTable is organized in row order and the supplied data values fall on integer indexes.
+ * That is, table element (x,y) is located at pTable[x + y*numCols] where x and y are integers.
+ *
+ * \par
+ * Let (x, y) specify the desired interpolation point. Then define:
+ * + * XF = floor(x) + * YF = floor(y) + *+ * \par + * The interpolated output point is computed as: + *
+ * f(x, y) = f(XF, YF) * (1-(x-XF)) * (1-(y-YF)) + * + f(XF+1, YF) * (x-XF)*(1-(y-YF)) + * + f(XF, YF+1) * (1-(x-XF))*(y-YF) + * + f(XF+1, YF+1) * (x-XF)*(y-YF) + *+ * Note that the coordinates (x, y) contain integer and fractional components. + * The integer components specify which portion of the table to use while the + * fractional components control the interpolation processor. + * + * \par + * if (x,y) are outside of the table boundary, Bilinear interpolation returns zero output. + */ + + /** + * @addtogroup BilinearInterpolate + * @{ + */ + + /** + * + * @brief Floating-point bilinear interpolation. + * @param[in,out] *S points to an instance of the interpolation structure. + * @param[in] X interpolation coordinate. + * @param[in] Y interpolation coordinate. + * @return out interpolated value. + */ + + + static __INLINE float32_t arm_bilinear_interp_f32( + const arm_bilinear_interp_instance_f32 * S, + float32_t X, + float32_t Y) + { + float32_t out; + float32_t f00, f01, f10, f11; + float32_t *pData = S->pData; + int32_t xIndex, yIndex, index; + float32_t xdiff, ydiff; + float32_t b1, b2, b3, b4; + + xIndex = (int32_t) X; + yIndex = (int32_t) Y; + + /* Care taken for table outside boundary */ + /* Returns zero output when values are outside table boundary */ + if(xIndex < 0 || xIndex > (S->numRows - 1) || yIndex < 0 + || yIndex > (S->numCols - 1)) + { + return (0); + } + + /* Calculation of index for two nearest points in X-direction */ + index = (xIndex - 1) + (yIndex - 1) * S->numCols; + + + /* Read two nearest points in X-direction */ + f00 = pData[index]; + f01 = pData[index + 1]; + + /* Calculation of index for two nearest points in Y-direction */ + index = (xIndex - 1) + (yIndex) * S->numCols; + + + /* Read two nearest points in Y-direction */ + f10 = pData[index]; + f11 = pData[index + 1]; + + /* Calculation of intermediate values */ + b1 = f00; + b2 = f01 - f00; + b3 = f10 - f00; + b4 = f00 - f01 - f10 + f11; + + /* Calculation of fractional part in X */ + xdiff = X - xIndex; + + /* Calculation of fractional part in Y */ + ydiff = Y - yIndex; + + /* Calculation of bi-linear interpolated output */ + out = b1 + b2 * xdiff + b3 * ydiff + b4 * xdiff * ydiff; + + /* return to application */ + return (out); + + } + + /** + * + * @brief Q31 bilinear interpolation. + * @param[in,out] *S points to an instance of the interpolation structure. + * @param[in] X interpolation coordinate in 12.20 format. + * @param[in] Y interpolation coordinate in 12.20 format. + * @return out interpolated value. + */ + + static __INLINE q31_t arm_bilinear_interp_q31( + arm_bilinear_interp_instance_q31 * S, + q31_t X, + q31_t Y) + { + q31_t out; /* Temporary output */ + q31_t acc = 0; /* output */ + q31_t xfract, yfract; /* X, Y fractional parts */ + q31_t x1, x2, y1, y2; /* Nearest output values */ + int32_t rI, cI; /* Row and column indices */ + q31_t *pYData = S->pData; /* pointer to output table values */ + uint32_t nCols = S->numCols; /* num of rows */ + + + /* Input is in 12.20 format */ + /* 12 bits for the table index */ + /* Index value calculation */ + rI = ((X & 0xFFF00000) >> 20u); + + /* Input is in 12.20 format */ + /* 12 bits for the table index */ + /* Index value calculation */ + cI = ((Y & 0xFFF00000) >> 20u); + + /* Care taken for table outside boundary */ + /* Returns zero output when values are outside table boundary */ + if(rI < 0 || rI > (S->numRows - 1) || cI < 0 || cI > (S->numCols - 1)) + { + return (0); + } + + /* 20 bits for the fractional part */ + /* shift left xfract by 11 to keep 1.31 format */ + xfract = (X & 0x000FFFFF) << 11u; + + /* Read two nearest output values from the index */ + x1 = pYData[(rI) + nCols * (cI)]; + x2 = pYData[(rI) + nCols * (cI) + 1u]; + + /* 20 bits for the fractional part */ + /* shift left yfract by 11 to keep 1.31 format */ + yfract = (Y & 0x000FFFFF) << 11u; + + /* Read two nearest output values from the index */ + y1 = pYData[(rI) + nCols * (cI + 1)]; + y2 = pYData[(rI) + nCols * (cI + 1) + 1u]; + + /* Calculation of x1 * (1-xfract ) * (1-yfract) and acc is in 3.29(q29) format */ + out = ((q31_t) (((q63_t) x1 * (0x7FFFFFFF - xfract)) >> 32)); + acc = ((q31_t) (((q63_t) out * (0x7FFFFFFF - yfract)) >> 32)); + + /* x2 * (xfract) * (1-yfract) in 3.29(q29) and adding to acc */ + out = ((q31_t) ((q63_t) x2 * (0x7FFFFFFF - yfract) >> 32)); + acc += ((q31_t) ((q63_t) out * (xfract) >> 32)); + + /* y1 * (1 - xfract) * (yfract) in 3.29(q29) and adding to acc */ + out = ((q31_t) ((q63_t) y1 * (0x7FFFFFFF - xfract) >> 32)); + acc += ((q31_t) ((q63_t) out * (yfract) >> 32)); + + /* y2 * (xfract) * (yfract) in 3.29(q29) and adding to acc */ + out = ((q31_t) ((q63_t) y2 * (xfract) >> 32)); + acc += ((q31_t) ((q63_t) out * (yfract) >> 32)); + + /* Convert acc to 1.31(q31) format */ + return (acc << 2u); + + } + + /** + * @brief Q15 bilinear interpolation. + * @param[in,out] *S points to an instance of the interpolation structure. + * @param[in] X interpolation coordinate in 12.20 format. + * @param[in] Y interpolation coordinate in 12.20 format. + * @return out interpolated value. + */ + + static __INLINE q15_t arm_bilinear_interp_q15( + arm_bilinear_interp_instance_q15 * S, + q31_t X, + q31_t Y) + { + q63_t acc = 0; /* output */ + q31_t out; /* Temporary output */ + q15_t x1, x2, y1, y2; /* Nearest output values */ + q31_t xfract, yfract; /* X, Y fractional parts */ + int32_t rI, cI; /* Row and column indices */ + q15_t *pYData = S->pData; /* pointer to output table values */ + uint32_t nCols = S->numCols; /* num of rows */ + + /* Input is in 12.20 format */ + /* 12 bits for the table index */ + /* Index value calculation */ + rI = ((X & 0xFFF00000) >> 20); + + /* Input is in 12.20 format */ + /* 12 bits for the table index */ + /* Index value calculation */ + cI = ((Y & 0xFFF00000) >> 20); + + /* Care taken for table outside boundary */ + /* Returns zero output when values are outside table boundary */ + if(rI < 0 || rI > (S->numRows - 1) || cI < 0 || cI > (S->numCols - 1)) + { + return (0); + } + + /* 20 bits for the fractional part */ + /* xfract should be in 12.20 format */ + xfract = (X & 0x000FFFFF); + + /* Read two nearest output values from the index */ + x1 = pYData[(rI) + nCols * (cI)]; + x2 = pYData[(rI) + nCols * (cI) + 1u]; + + + /* 20 bits for the fractional part */ + /* yfract should be in 12.20 format */ + yfract = (Y & 0x000FFFFF); + + /* Read two nearest output values from the index */ + y1 = pYData[(rI) + nCols * (cI + 1)]; + y2 = pYData[(rI) + nCols * (cI + 1) + 1u]; + + /* Calculation of x1 * (1-xfract ) * (1-yfract) and acc is in 13.51 format */ + + /* x1 is in 1.15(q15), xfract in 12.20 format and out is in 13.35 format */ + /* convert 13.35 to 13.31 by right shifting and out is in 1.31 */ + out = (q31_t) (((q63_t) x1 * (0xFFFFF - xfract)) >> 4u); + acc = ((q63_t) out * (0xFFFFF - yfract)); + + /* x2 * (xfract) * (1-yfract) in 1.51 and adding to acc */ + out = (q31_t) (((q63_t) x2 * (0xFFFFF - yfract)) >> 4u); + acc += ((q63_t) out * (xfract)); + + /* y1 * (1 - xfract) * (yfract) in 1.51 and adding to acc */ + out = (q31_t) (((q63_t) y1 * (0xFFFFF - xfract)) >> 4u); + acc += ((q63_t) out * (yfract)); + + /* y2 * (xfract) * (yfract) in 1.51 and adding to acc */ + out = (q31_t) (((q63_t) y2 * (xfract)) >> 4u); + acc += ((q63_t) out * (yfract)); + + /* acc is in 13.51 format and down shift acc by 36 times */ + /* Convert out to 1.15 format */ + return (acc >> 36); + + } + + /** + * @brief Q7 bilinear interpolation. + * @param[in,out] *S points to an instance of the interpolation structure. + * @param[in] X interpolation coordinate in 12.20 format. + * @param[in] Y interpolation coordinate in 12.20 format. + * @return out interpolated value. + */ + + static __INLINE q7_t arm_bilinear_interp_q7( + arm_bilinear_interp_instance_q7 * S, + q31_t X, + q31_t Y) + { + q63_t acc = 0; /* output */ + q31_t out; /* Temporary output */ + q31_t xfract, yfract; /* X, Y fractional parts */ + q7_t x1, x2, y1, y2; /* Nearest output values */ + int32_t rI, cI; /* Row and column indices */ + q7_t *pYData = S->pData; /* pointer to output table values */ + uint32_t nCols = S->numCols; /* num of rows */ + + /* Input is in 12.20 format */ + /* 12 bits for the table index */ + /* Index value calculation */ + rI = ((X & 0xFFF00000) >> 20); + + /* Input is in 12.20 format */ + /* 12 bits for the table index */ + /* Index value calculation */ + cI = ((Y & 0xFFF00000) >> 20); + + /* Care taken for table outside boundary */ + /* Returns zero output when values are outside table boundary */ + if(rI < 0 || rI > (S->numRows - 1) || cI < 0 || cI > (S->numCols - 1)) + { + return (0); + } + + /* 20 bits for the fractional part */ + /* xfract should be in 12.20 format */ + xfract = (X & 0x000FFFFF); + + /* Read two nearest output values from the index */ + x1 = pYData[(rI) + nCols * (cI)]; + x2 = pYData[(rI) + nCols * (cI) + 1u]; + + + /* 20 bits for the fractional part */ + /* yfract should be in 12.20 format */ + yfract = (Y & 0x000FFFFF); + + /* Read two nearest output values from the index */ + y1 = pYData[(rI) + nCols * (cI + 1)]; + y2 = pYData[(rI) + nCols * (cI + 1) + 1u]; + + /* Calculation of x1 * (1-xfract ) * (1-yfract) and acc is in 16.47 format */ + out = ((x1 * (0xFFFFF - xfract))); + acc = (((q63_t) out * (0xFFFFF - yfract))); + + /* x2 * (xfract) * (1-yfract) in 2.22 and adding to acc */ + out = ((x2 * (0xFFFFF - yfract))); + acc += (((q63_t) out * (xfract))); + + /* y1 * (1 - xfract) * (yfract) in 2.22 and adding to acc */ + out = ((y1 * (0xFFFFF - xfract))); + acc += (((q63_t) out * (yfract))); + + /* y2 * (xfract) * (yfract) in 2.22 and adding to acc */ + out = ((y2 * (yfract))); + acc += (((q63_t) out * (xfract))); + + /* acc in 16.47 format and down shift by 40 to convert to 1.7 format */ + return (acc >> 40); + + } + + /** + * @} end of BilinearInterpolate group + */ + + +#if defined ( __CC_ARM ) //Keil +//SMMLAR + #define multAcc_32x32_keep32_R(a, x, y) \ + a = (q31_t) (((((q63_t) a) << 32) + ((q63_t) x * y) + 0x80000000LL ) >> 32) + +//SMMLSR + #define multSub_32x32_keep32_R(a, x, y) \ + a = (q31_t) (((((q63_t) a) << 32) - ((q63_t) x * y) + 0x80000000LL ) >> 32) + +//SMMULR + #define mult_32x32_keep32_R(a, x, y) \ + a = (q31_t) (((q63_t) x * y + 0x80000000LL ) >> 32) + +//Enter low optimization region - place directly above function definition + #define LOW_OPTIMIZATION_ENTER \ + _Pragma ("push") \ + _Pragma ("O1") + +//Exit low optimization region - place directly after end of function definition + #define LOW_OPTIMIZATION_EXIT \ + _Pragma ("pop") + +//Enter low optimization region - place directly above function definition + #define IAR_ONLY_LOW_OPTIMIZATION_ENTER + +//Exit low optimization region - place directly after end of function definition + #define IAR_ONLY_LOW_OPTIMIZATION_EXIT + +#elif defined(__ICCARM__) //IAR + //SMMLA + #define multAcc_32x32_keep32_R(a, x, y) \ + a += (q31_t) (((q63_t) x * y) >> 32) + + //SMMLS + #define multSub_32x32_keep32_R(a, x, y) \ + a -= (q31_t) (((q63_t) x * y) >> 32) + +//SMMUL + #define mult_32x32_keep32_R(a, x, y) \ + a = (q31_t) (((q63_t) x * y ) >> 32) + +//Enter low optimization region - place directly above function definition + #define LOW_OPTIMIZATION_ENTER \ + _Pragma ("optimize=low") + +//Exit low optimization region - place directly after end of function definition + #define LOW_OPTIMIZATION_EXIT + +//Enter low optimization region - place directly above function definition + #define IAR_ONLY_LOW_OPTIMIZATION_ENTER \ + _Pragma ("optimize=low") + +//Exit low optimization region - place directly after end of function definition + #define IAR_ONLY_LOW_OPTIMIZATION_EXIT + +#elif defined(__GNUC__) + //SMMLA + #define multAcc_32x32_keep32_R(a, x, y) \ + a += (q31_t) (((q63_t) x * y) >> 32) + + //SMMLS + #define multSub_32x32_keep32_R(a, x, y) \ + a -= (q31_t) (((q63_t) x * y) >> 32) + +//SMMUL + #define mult_32x32_keep32_R(a, x, y) \ + a = (q31_t) (((q63_t) x * y ) >> 32) + + #define LOW_OPTIMIZATION_ENTER __attribute__(( optimize("-O1") )) + + #define LOW_OPTIMIZATION_EXIT + + #define IAR_ONLY_LOW_OPTIMIZATION_ENTER + + #define IAR_ONLY_LOW_OPTIMIZATION_EXIT + +#endif + + + + + +#ifdef __cplusplus +} +#endif + + +#endif /* _ARM_MATH_H */ + + +/** + * + * End of file. + */ diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/cmsis/core_cm0.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/cmsis/core_cm0.h new file mode 100644 index 00000000..1b6b54ef --- /dev/null +++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/cmsis/core_cm0.h @@ -0,0 +1,682 @@ +/**************************************************************************//** + * @file core_cm0.h + * @brief CMSIS Cortex-M0 Core Peripheral Access Layer Header File + * @version V3.20 + * @date 25. February 2013 + * + * @note + * + ******************************************************************************/ +/* Copyright (c) 2009 - 2013 ARM LIMITED + + All rights reserved. + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + - Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + - Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + - Neither the name of ARM nor the names of its contributors may be used + to endorse or promote products derived from this software without + specific prior written permission. + * + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. + ---------------------------------------------------------------------------*/ + + +#if defined ( __ICCARM__ ) + #pragma system_include /* treat file as system include file for MISRA check */ +#endif + +#ifdef __cplusplus + extern "C" { +#endif + +#ifndef __CORE_CM0_H_GENERIC +#define __CORE_CM0_H_GENERIC + +/** \page CMSIS_MISRA_Exceptions MISRA-C:2004 Compliance Exceptions + CMSIS violates the following MISRA-C:2004 rules: + + \li Required Rule 8.5, object/function definition in header file.
+ Function definitions in header files are used to allow 'inlining'. + + \li Required Rule 18.4, declaration of union type or object of union type: '{...}'.
+ Unions are used for effective representation of core registers. + + \li Advisory Rule 19.7, Function-like macro defined.
+ Function-like macros are used to allow more efficient code. + */ + + +/******************************************************************************* + * CMSIS definitions + ******************************************************************************/ +/** \ingroup Cortex_M0 + @{ + */ + +/* CMSIS CM0 definitions */ +#define __CM0_CMSIS_VERSION_MAIN (0x03) /*!< [31:16] CMSIS HAL main version */ +#define __CM0_CMSIS_VERSION_SUB (0x20) /*!< [15:0] CMSIS HAL sub version */ +#define __CM0_CMSIS_VERSION ((__CM0_CMSIS_VERSION_MAIN << 16) | \ + __CM0_CMSIS_VERSION_SUB ) /*!< CMSIS HAL version number */ + +#define __CORTEX_M (0x00) /*!< Cortex-M Core */ + + +#if defined ( __CC_ARM ) + #define __ASM __asm /*!< asm keyword for ARM Compiler */ + #define __INLINE __inline /*!< inline keyword for ARM Compiler */ + #define __STATIC_INLINE static __inline + +#elif defined ( __ICCARM__ ) + #define __ASM __asm /*!< asm keyword for IAR Compiler */ + #define __INLINE inline /*!< inline keyword for IAR Compiler. Only available in High optimization mode! */ + #define __STATIC_INLINE static inline + +#elif defined ( __GNUC__ ) + #define __ASM __asm /*!< asm keyword for GNU Compiler */ + #define __INLINE inline /*!< inline keyword for GNU Compiler */ + #define __STATIC_INLINE static inline + +#elif defined ( __TASKING__ ) + #define __ASM __asm /*!< asm keyword for TASKING Compiler */ + #define __INLINE inline /*!< inline keyword for TASKING Compiler */ + #define __STATIC_INLINE static inline + +#endif + +/** __FPU_USED indicates whether an FPU is used or not. This core does not support an FPU at all +*/ +#define __FPU_USED 0 + +#if defined ( __CC_ARM ) + #if defined __TARGET_FPU_VFP + #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" + #endif + +#elif defined ( __ICCARM__ ) + #if defined __ARMVFP__ + #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" + #endif + +#elif defined ( __GNUC__ ) + #if defined (__VFP_FP__) && !defined(__SOFTFP__) + #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" + #endif + +#elif defined ( __TASKING__ ) + #if defined __FPU_VFP__ + #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" + #endif +#endif + +#include
© COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/** @addtogroup CMSIS
+ * @{
+ */
+
+/** @addtogroup stm32f0xx
+ * @{
+ */
+
+#ifndef __STM32F0XX_H
+#define __STM32F0XX_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/** @addtogroup Library_configuration_section
+ * @{
+ */
+
+/* Uncomment the line below according to the target STM32F0 device used in your
+ application
+ */
+
+#if !defined (STM32F030) && !defined (STM32F031) && !defined (STM32F051) && \
+ !defined (STM32F072) && !defined (STM32F042) && !defined (STM32F091) && \
+ !defined (STM32F070xB) && !defined (STM32F070x6) && !defined (STM32F030xC)
+ /* #define STM32F030 */
+ /* #define STM32F031 */
+ /* #define STM32F051 */
+ /* #define STM32F072 */
+ /* #define STM32F070xB */
+ /* #define STM32F042 */
+ /* #define STM32F070x6 */
+ /* #define STM32F091 */
+ /* #define STM32F030xC */
+#endif /* STM32F030 || STM32F031 || STM32F051 || STM32F072 || STM32F042 || STM32F091 ||
+ STM32F070xB || STM32F070x6 || STM32F030xC */
+
+/* Tip: To avoid modifying this file each time you need to switch between these
+ devices, you can define the device in your toolchain compiler preprocessor.
+ */
+
+/* Old STM32F0XX definition, maintained for legacy purpose */
+#if defined(STM32F0XX) || defined(STM32F0XX_MD)
+ #define STM32F051
+#endif /* STM32F0XX */
+
+/* Old STM32F0XX_LD definition, maintained for legacy purpose */
+#ifdef STM32F0XX_LD
+ #define STM32F031
+#endif /* STM32F0XX_LD */
+
+/* Old STM32F0XX_HD definition, maintained for legacy purpose */
+#ifdef STM32F0XX_HD
+ #define STM32F072
+#endif /* STM32F0XX_HD */
+
+/* Old STM32F030X6/X8 definition, maintained for legacy purpose */
+#if defined (STM32F030X8) || defined (STM32F030X6)
+ #define STM32F030
+#endif /* STM32F030X8 or STM32F030X6 */
+
+
+#if !defined (STM32F030) && !defined (STM32F031) && !defined (STM32F051) && \
+ !defined (STM32F072) && !defined (STM32F042) && !defined (STM32F091) && \
+ !defined (STM32F070xB) && !defined (STM32F070x6) && !defined (STM32F030xC)
+ #error "Please select first the target STM32F0xx device used in your application (in stm32f0xx.h file)"
+#endif /* STM32F030 || STM32F031 || STM32F051 || STM32F072 || STM32F042 || STM32F091 ||
+ STM32F070xB || STM32F070x6 || STM32F030xC */
+
+#if !defined USE_STDPERIPH_DRIVER
+/**
+ * @brief Comment the line below if you will not use the peripherals drivers.
+ In this case, these drivers will not be included and the application code will
+ be based on direct access to peripherals registers
+ */
+ /*#define USE_STDPERIPH_DRIVER*/
+#endif /* USE_STDPERIPH_DRIVER */
+
+/**
+ * @brief In the following line adjust the value of External High Speed oscillator (HSE)
+ used in your application
+
+ Tip: To avoid modifying this file each time you need to use different HSE, you
+ can define the HSE value in your toolchain compiler preprocessor.
+ */
+#if !defined (HSE_VALUE)
+#define HSE_VALUE ((uint32_t)8000000) /*!< Value of the External oscillator in Hz*/
+#endif /* HSE_VALUE */
+
+/**
+ * @brief In the following line adjust the External High Speed oscillator (HSE) Startup
+ Timeout value
+ */
+#if !defined (HSE_STARTUP_TIMEOUT)
+#define HSE_STARTUP_TIMEOUT ((uint16_t)0x5000) /*!< Time out for HSE start up */
+#endif /* HSE_STARTUP_TIMEOUT */
+
+/**
+ * @brief In the following line adjust the Internal High Speed oscillator (HSI) Startup
+ Timeout value
+ */
+#if !defined (HSI_STARTUP_TIMEOUT)
+#define HSI_STARTUP_TIMEOUT ((uint16_t)0x5000) /*!< Time out for HSI start up */
+#endif /* HSI_STARTUP_TIMEOUT */
+
+#if !defined (HSI_VALUE)
+#define HSI_VALUE ((uint32_t)8000000) /*!< Value of the Internal High Speed oscillator in Hz.
+ The real value may vary depending on the variations
+ in voltage and temperature. */
+#endif /* HSI_VALUE */
+
+#if !defined (HSI14_VALUE)
+#define HSI14_VALUE ((uint32_t)14000000) /*!< Value of the Internal High Speed oscillator for ADC in Hz.
+ The real value may vary depending on the variations
+ in voltage and temperature. */
+#endif /* HSI14_VALUE */
+
+#if !defined (HSI48_VALUE)
+#define HSI48_VALUE ((uint32_t)48000000) /*!< Value of the Internal High Speed oscillator for USB in Hz.
+ The real value may vary depending on the variations
+ in voltage and temperature. */
+#endif /* HSI48_VALUE */
+
+#if !defined (LSI_VALUE)
+#define LSI_VALUE ((uint32_t)40000) /*!< Value of the Internal Low Speed oscillator in Hz
+ The real value may vary depending on the variations
+ in voltage and temperature. */
+#endif /* LSI_VALUE */
+
+#if !defined (LSE_VALUE)
+#define LSE_VALUE ((uint32_t)32768) /*!< Value of the External Low Speed oscillator in Hz */
+#endif /* LSE_VALUE */
+
+/**
+ * @brief STM32F0xx Standard Peripheral Library version number V1.4.0
+ */
+#define __STM32F0XX_STDPERIPH_VERSION_MAIN (0x01) /*!< [31:24] main version */
+#define __STM32F0XX_STDPERIPH_VERSION_SUB1 (0x05) /*!< [23:16] sub1 version */
+#define __STM32F0XX_STDPERIPH_VERSION_SUB2 (0x00) /*!< [15:8] sub2 version */
+#define __STM32F0XX_STDPERIPH_VERSION_RC (0x00) /*!< [7:0] release candidate */
+#define __STM32F0XX_STDPERIPH_VERSION ((__STM32F0XX_STDPERIPH_VERSION_MAIN << 24)\
+ |(__STM32F0XX_STDPERIPH_VERSION_SUB1 << 16)\
+ |(__STM32F0XX_STDPERIPH_VERSION_SUB2 << 8)\
+ |(__STM32F0XX_STDPERIPH_VERSION_RC))
+
+/**
+ * @}
+ */
+
+/** @addtogroup Configuration_section_for_CMSIS
+ * @{
+ */
+
+/**
+ * @brief STM32F0xx Interrupt Number Definition, according to the selected device
+ * in @ref Library_configuration_section
+ */
+#define __CM0_REV 0 /*!< Core Revision r0p0 */
+#define __MPU_PRESENT 0 /*!< STM32F0xx do not provide MPU */
+#define __NVIC_PRIO_BITS 2 /*!< STM32F0xx uses 2 Bits for the Priority Levels */
+#define __Vendor_SysTickConfig 0 /*!< Set to 1 if different SysTick Config is used */
+
+/*!< Interrupt Number Definition */
+typedef enum IRQn
+{
+/****** Cortex-M0 Processor Exceptions Numbers ******************************************************/
+ NonMaskableInt_IRQn = -14, /*!< 2 Non Maskable Interrupt */
+ HardFault_IRQn = -13, /*!< 3 Cortex-M0 Hard Fault Interrupt */
+ SVC_IRQn = -5, /*!< 11 Cortex-M0 SV Call Interrupt */
+ PendSV_IRQn = -2, /*!< 14 Cortex-M0 Pend SV Interrupt */
+ SysTick_IRQn = -1, /*!< 15 Cortex-M0 System Tick Interrupt */
+
+#if defined (STM32F051)
+/****** STM32F051 specific Interrupt Numbers *************************************/
+ WWDG_IRQn = 0, /*!< Window WatchDog Interrupt */
+ PVD_IRQn = 1, /*!< PVD through EXTI Line detect Interrupt */
+ RTC_IRQn = 2, /*!< RTC through EXTI Line Interrupt */
+ FLASH_IRQn = 3, /*!< FLASH Interrupt */
+ RCC_IRQn = 4, /*!< RCC Interrupt */
+ EXTI0_1_IRQn = 5, /*!< EXTI Line 0 and 1 Interrupts */
+ EXTI2_3_IRQn = 6, /*!< EXTI Line 2 and 3 Interrupts */
+ EXTI4_15_IRQn = 7, /*!< EXTI Line 4 to 15 Interrupts */
+ TS_IRQn = 8, /*!< Touch sense controller Interrupt */
+ DMA1_Channel1_IRQn = 9, /*!< DMA1 Channel 1 Interrupt */
+ DMA1_Channel2_3_IRQn = 10, /*!< DMA1 Channel 2 and Channel 3 Interrupts */
+ DMA1_Channel4_5_IRQn = 11, /*!< DMA1 Channel 4 and Channel 5 Interrupts */
+ ADC1_COMP_IRQn = 12, /*!< ADC1, COMP1 and COMP2 Interrupts */
+ TIM1_BRK_UP_TRG_COM_IRQn = 13, /*!< TIM1 Break, Update, Trigger and Commutation Interrupts */
+ TIM1_CC_IRQn = 14, /*!< TIM1 Capture Compare Interrupt */
+ TIM2_IRQn = 15, /*!< TIM2 Interrupt */
+ TIM3_IRQn = 16, /*!< TIM3 Interrupt */
+ TIM6_DAC_IRQn = 17, /*!< TIM6 and DAC Interrupts */
+ TIM14_IRQn = 19, /*!< TIM14 Interrupt */
+ TIM15_IRQn = 20, /*!< TIM15 Interrupt */
+ TIM16_IRQn = 21, /*!< TIM16 Interrupt */
+ TIM17_IRQn = 22, /*!< TIM17 Interrupt */
+ I2C1_IRQn = 23, /*!< I2C1 Interrupt */
+ I2C2_IRQn = 24, /*!< I2C2 Interrupt */
+ SPI1_IRQn = 25, /*!< SPI1 Interrupt */
+ SPI2_IRQn = 26, /*!< SPI2 Interrupt */
+ USART1_IRQn = 27, /*!< USART1 Interrupt */
+ USART2_IRQn = 28, /*!< USART2 Interrupt */
+ CEC_IRQn = 30 /*!< CEC Interrupt */
+#elif defined (STM32F031)
+/****** STM32F031 specific Interrupt Numbers *************************************/
+ WWDG_IRQn = 0, /*!< Window WatchDog Interrupt */
+ PVD_IRQn = 1, /*!< PVD through EXTI Line detect Interrupt */
+ RTC_IRQn = 2, /*!< RTC through EXTI Line Interrupt */
+ FLASH_IRQn = 3, /*!< FLASH Interrupt */
+ RCC_IRQn = 4, /*!< RCC Interrupt */
+ EXTI0_1_IRQn = 5, /*!< EXTI Line 0 and 1 Interrupts */
+ EXTI2_3_IRQn = 6, /*!< EXTI Line 2 and 3 Interrupts */
+ EXTI4_15_IRQn = 7, /*!< EXTI Line 4 to 15 Interrupts */
+ DMA1_Channel1_IRQn = 9, /*!< DMA1 Channel 1 Interrupt */
+ DMA1_Channel2_3_IRQn = 10, /*!< DMA1 Channel 2 and Channel 3 Interrupts */
+ DMA1_Channel4_5_IRQn = 11, /*!< DMA1 Channel 4 and Channel 5 Interrupts */
+ ADC1_IRQn = 12, /*!< ADC1 Interrupt */
+ TIM1_BRK_UP_TRG_COM_IRQn = 13, /*!< TIM1 Break, Update, Trigger and Commutation Interrupts */
+ TIM1_CC_IRQn = 14, /*!< TIM1 Capture Compare Interrupt */
+ TIM2_IRQn = 15, /*!< TIM2 Interrupt */
+ TIM3_IRQn = 16, /*!< TIM3 Interrupt */
+ TIM14_IRQn = 19, /*!< TIM14 Interrupt */
+ TIM16_IRQn = 21, /*!< TIM16 Interrupt */
+ TIM17_IRQn = 22, /*!< TIM17 Interrupt */
+ I2C1_IRQn = 23, /*!< I2C1 Interrupt */
+ SPI1_IRQn = 25, /*!< SPI1 Interrupt */
+ USART1_IRQn = 27 /*!< USART1 Interrupt */
+#elif defined (STM32F030)
+/****** STM32F030 specific Interrupt Numbers *************************************/
+ WWDG_IRQn = 0, /*!< Window WatchDog Interrupt */
+ RTC_IRQn = 2, /*!< RTC through EXTI Line Interrupt */
+ FLASH_IRQn = 3, /*!< FLASH Interrupt */
+ RCC_IRQn = 4, /*!< RCC Interrupt */
+ EXTI0_1_IRQn = 5, /*!< EXTI Line 0 and 1 Interrupts */
+ EXTI2_3_IRQn = 6, /*!< EXTI Line 2 and 3 Interrupts */
+ EXTI4_15_IRQn = 7, /*!< EXTI Line 4 to 15 Interrupts */
+ DMA1_Channel1_IRQn = 9, /*!< DMA1 Channel 1 Interrupt */
+ DMA1_Channel2_3_IRQn = 10, /*!< DMA1 Channel 2 and Channel 3 Interrupts */
+ DMA1_Channel4_5_IRQn = 11, /*!< DMA1 Channel 4 and Channel 5 Interrupts */
+ ADC1_IRQn = 12, /*!< ADC1 Interrupt */
+ TIM1_BRK_UP_TRG_COM_IRQn = 13, /*!< TIM1 Break, Update, Trigger and Commutation Interrupts */
+ TIM1_CC_IRQn = 14, /*!< TIM1 Capture Compare Interrupt */
+ TIM3_IRQn = 16, /*!< TIM3 Interrupt */
+ TIM14_IRQn = 19, /*!< TIM14 Interrupt */
+ TIM15_IRQn = 20, /*!< TIM15 Interrupt */
+ TIM16_IRQn = 21, /*!< TIM16 Interrupt */
+ TIM17_IRQn = 22, /*!< TIM17 Interrupt */
+ I2C1_IRQn = 23, /*!< I2C1 Interrupt */
+ I2C2_IRQn = 24, /*!< I2C2 Interrupt */
+ SPI1_IRQn = 25, /*!< SPI1 Interrupt */
+ SPI2_IRQn = 26, /*!< SPI2 Interrupt */
+ USART1_IRQn = 27, /*!< USART1 Interrupt */
+ USART2_IRQn = 28 /*!< USART2 Interrupt */
+#elif defined (STM32F072)
+ WWDG_IRQn = 0, /*!< Window WatchDog Interrupt */
+ PVD_VDDIO2_IRQn = 1, /*!< PVD and VDDIO2 supply comparator through EXTI Line detect Interrupt */
+ RTC_IRQn = 2, /*!< RTC through EXTI Line Interrupt */
+ FLASH_IRQn = 3, /*!< FLASH Interrupt */
+ RCC_CRS_IRQn = 4, /*!< RCC and CRS Interrupts */
+ EXTI0_1_IRQn = 5, /*!< EXTI Line 0 and 1 Interrupts */
+ EXTI2_3_IRQn = 6, /*!< EXTI Line 2 and 3 Interrupts */
+ EXTI4_15_IRQn = 7, /*!< EXTI Line 4 to 15 Interrupts */
+ TSC_IRQn = 8, /*!< TSC Interrupt */
+ DMA1_Channel1_IRQn = 9, /*!< DMA1 Channel 1 Interrupt */
+ DMA1_Channel2_3_IRQn = 10, /*!< DMA1 Channel 2 and Channel 3 Interrupts */
+ DMA1_Channel4_5_6_7_IRQn = 11, /*!< DMA1 Channel 4, Channel 5, Channel 6 and Channel 7 Interrupts */
+ ADC1_COMP_IRQn = 12, /*!< ADC1, COMP1 and COMP2 Interrupts */
+ TIM1_BRK_UP_TRG_COM_IRQn = 13, /*!< TIM1 Break, Update, Trigger and Commutation Interrupts */
+ TIM1_CC_IRQn = 14, /*!< TIM1 Capture Compare Interrupt */
+ TIM2_IRQn = 15, /*!< TIM2 Interrupt */
+ TIM3_IRQn = 16, /*!< TIM3 Interrupt */
+ TIM6_DAC_IRQn = 17, /*!< TIM6 and DAC Interrupts */
+ TIM7_IRQn = 18, /*!< TIM7 Interrupts */
+ TIM14_IRQn = 19, /*!< TIM14 Interrupt */
+ TIM15_IRQn = 20, /*!< TIM15 Interrupt */
+ TIM16_IRQn = 21, /*!< TIM16 Interrupt */
+ TIM17_IRQn = 22, /*!< TIM17 Interrupt */
+ I2C1_IRQn = 23, /*!< I2C1 Interrupt */
+ I2C2_IRQn = 24, /*!< I2C2 Interrupt */
+ SPI1_IRQn = 25, /*!< SPI1 Interrupt */
+ SPI2_IRQn = 26, /*!< SPI2 Interrupt */
+ USART1_IRQn = 27, /*!< USART1 Interrupt */
+ USART2_IRQn = 28, /*!< USART2 Interrupt */
+ USART3_4_IRQn = 29, /*!< USART3 and USART4 Interrupts */
+ CEC_CAN_IRQn = 30, /*!< CEC and CAN Interrupts */
+ USB_IRQn = 31 /*!< USB Low Priority global Interrupt */
+#elif defined (STM32F042)
+ WWDG_IRQn = 0, /*!< Window WatchDog Interrupt */
+ PVD_VDDIO2_IRQn = 1, /*!< PVD and VDDIO2 supply comparator through EXTI Line detect Interrupt */
+ RTC_IRQn = 2, /*!< RTC through EXTI Line Interrupt */
+ FLASH_IRQn = 3, /*!< FLASH Interrupt */
+ RCC_CRS_IRQn = 4, /*!< RCC and CRS Interrupts */
+ EXTI0_1_IRQn = 5, /*!< EXTI Line 0 and 1 Interrupts */
+ EXTI2_3_IRQn = 6, /*!< EXTI Line 2 and 3 Interrupts */
+ EXTI4_15_IRQn = 7, /*!< EXTI Line 4 to 15 Interrupts */
+ TSC_IRQn = 8, /*!< TSC Interrupt */
+ DMA1_Channel1_IRQn = 9, /*!< DMA1 Channel 1 Interrupt */
+ DMA1_Channel2_3_IRQn = 10, /*!< DMA1 Channel 2 and Channel 3 Interrupts */
+ DMA1_Channel4_5_IRQn = 11, /*!< DMA1 Channel 4, Channel 5 Interrupts */
+ ADC1_IRQn = 12, /*!< ADC1 Interrupts */
+ TIM1_BRK_UP_TRG_COM_IRQn = 13, /*!< TIM1 Break, Update, Trigger and Commutation Interrupts */
+ TIM1_CC_IRQn = 14, /*!< TIM1 Capture Compare Interrupt */
+ TIM2_IRQn = 15, /*!< TIM2 Interrupt */
+ TIM3_IRQn = 16, /*!< TIM3 Interrupt */
+ TIM14_IRQn = 19, /*!< TIM14 Interrupt */
+ TIM16_IRQn = 21, /*!< TIM16 Interrupt */
+ TIM17_IRQn = 22, /*!< TIM17 Interrupt */
+ I2C1_IRQn = 23, /*!< I2C1 Interrupt */
+ SPI1_IRQn = 25, /*!< SPI1 Interrupt */
+ SPI2_IRQn = 26, /*!< SPI2 Interrupt */
+ USART1_IRQn = 27, /*!< USART1 Interrupt */
+ USART2_IRQn = 28, /*!< USART2 Interrupt */
+ CEC_CAN_IRQn = 30, /*!< CEC and CAN Interrupts */
+ USB_IRQn = 31 /*!< USB Low Priority global Interrupt */
+#elif defined (STM32F091)
+ WWDG_IRQn = 0, /*!< Window WatchDog Interrupt */
+ PVD_VDDIO2_IRQn = 1, /*!< PVD & VDDIO2 Interrupts through EXTI Lines 16 and 31 */
+ RTC_IRQn = 2, /*!< RTC Interrupt through EXTI Lines 17, 19 and 20 */
+ FLASH_IRQn = 3, /*!< FLASH global Interrupt */
+ RCC_CRS_IRQn = 4, /*!< RCC & CRS Global Interrupts */
+ EXTI0_1_IRQn = 5, /*!< EXTI Line 0 and 1 Interrupts */
+ EXTI2_3_IRQn = 6, /*!< EXTI Line 2 and 3 Interrupts */
+ EXTI4_15_IRQn = 7, /*!< EXTI Line 4 to 15 Interrupts */
+ TSC_IRQn = 8, /*!< Touch Sensing Controller Interrupts */
+ DMA1_Ch1_IRQn = 9, /*!< DMA1 Channel 1 Interrupt */
+ DMA1_Ch2_3_DMA2_Ch1_2_IRQn = 10, /*!< DMA1 Channel 2 and 3 & DMA2 Channel 1 and 2 Interrupts */
+ DMA1_Ch4_7_DMA2_Ch3_5_IRQn = 11, /*!< DMA1 Channel 4 to 7 & DMA2 Channel 3 to 5 Interrupts */
+ ADC1_COMP_IRQn = 12, /*!< ADC, COMP1 and COMP2 Interrupts (EXTI Lines 21 and 22) */
+ TIM1_BRK_UP_TRG_COM_IRQn = 13, /*!< TIM1 Break, Update, Trigger and Commutation Interrupts */
+ TIM1_CC_IRQn = 14, /*!< TIM1 Capture Compare Interrupt */
+ TIM2_IRQn = 15, /*!< TIM2 global Interrupt */
+ TIM3_IRQn = 16, /*!< TIM3 global Interrupt */
+ TIM6_DAC_IRQn = 17, /*!< TIM6 global and DAC channel underrun error Interrupts */
+ TIM7_IRQn = 18, /*!< TIM7 global Interrupt */
+ TIM14_IRQn = 19, /*!< TIM14 global Interrupt */
+ TIM15_IRQn = 20, /*!< TIM15 global Interrupt */
+ TIM16_IRQn = 21, /*!< TIM16 global Interrupt */
+ TIM17_IRQn = 22, /*!< TIM17 global Interrupt */
+ I2C1_IRQn = 23, /*!< I2C1 Event Interrupt & EXTI Line23 Interrupt (I2C1 wakeup) */
+ I2C2_IRQn = 24, /*!< I2C2 Event Interrupt & EXTI Line24 Interrupt (I2C2 wakeup) */
+ SPI1_IRQn = 25, /*!< SPI1 global Interrupt */
+ SPI2_IRQn = 26, /*!< SPI2 global Interrupt */
+ USART1_IRQn = 27, /*!< USART1 global Interrupt & EXTI Line25 Interrupt (USART1 wakeup) */
+ USART2_IRQn = 28, /*!< USART2 global Interrupt & EXTI Line26 Interrupt (USART2 wakeup) */
+ USART3_8_IRQn = 29, /*!< USART3 to USART8 global Interrupts */
+ CEC_CAN_IRQn = 30 /*!< CEC and CAN global Interrupts & EXTI Line27 Interrupt */
+#elif defined (STM32F070xB)
+ WWDG_IRQn = 0, /*!< Window WatchDog Interrupt */
+ RTC_IRQn = 2, /*!< RTC Interrupt through EXTI Lines 17, 19 and 20 */
+ FLASH_IRQn = 3, /*!< FLASH global Interrupt */
+ RCC_IRQn = 4, /*!< RCC Global Interrupts */
+ EXTI0_1_IRQn = 5, /*!< EXTI Line 0 and 1 Interrupts */
+ EXTI2_3_IRQn = 6, /*!< EXTI Line 2 and 3 Interrupts */
+ EXTI4_15_IRQn = 7, /*!< EXTI Line 4 to 15 Interrupts */
+ DMA1_Channel1_IRQn = 9, /*!< DMA1 Channel 1 Interrupt */
+ DMA1_Channel2_3_IRQn = 10, /*!< DMA1 Channel 2 and Channel 3 Interrupts */
+ DMA1_Channel4_5_IRQn = 11, /*!< DMA1 Channel 4 and Channel 5 Interrupts */
+ ADC1_IRQn = 12, /*!< ADC1 interrupts (ADC interrupt combined with EXTI Lines 21 and 22 */
+ TIM1_BRK_UP_TRG_COM_IRQn = 13, /*!< TIM1 Break, Update, Trigger and Commutation Interrupts */
+ TIM1_CC_IRQn = 14, /*!< TIM1 Capture Compare Interrupt */
+ TIM3_IRQn = 16, /*!< TIM3 global Interrupt */
+ TIM6_IRQn = 17, /*!< TIM6 global Interrupts */
+ TIM7_IRQn = 18, /*!< TIM7 global Interrupt */
+ TIM14_IRQn = 19, /*!< TIM14 global Interrupt */
+ TIM15_IRQn = 20, /*!< TIM15 global Interrupt */
+ TIM16_IRQn = 21, /*!< TIM16 global Interrupt */
+ TIM17_IRQn = 22, /*!< TIM17 global Interrupt */
+ I2C1_IRQn = 23, /*!< I2C1 Event Interrupt & EXTI Line23 Interrupt (I2C1 wakeup) */
+ I2C2_IRQn = 24, /*!< I2C2 Event Interrupt */
+ SPI1_IRQn = 25, /*!< SPI1 global Interrupt */
+ SPI2_IRQn = 26, /*!< SPI2 global Interrupt */
+ USART1_IRQn = 27, /*!< USART1 global Interrupt */
+ USART2_IRQn = 28, /*!< USART2 global Interrupt */
+ USART3_4_IRQn = 29, /*!< USART3 and USART4 global Interrupts */
+ USB_IRQn = 31 /*!< USB global Interrupts & EXTI Line18 Interrupt */
+#elif defined (STM32F070x6)
+ WWDG_IRQn = 0, /*!< Window WatchDog Interrupt */
+ RTC_IRQn = 2, /*!< RTC Interrupt through EXTI Lines 17, 19 and 20 */
+ FLASH_IRQn = 3, /*!< FLASH global Interrupt */
+ RCC_IRQn = 4, /*!< RCC Global Interrupts */
+ EXTI0_1_IRQn = 5, /*!< EXTI Line 0 and 1 Interrupts */
+ EXTI2_3_IRQn = 6, /*!< EXTI Line 2 and 3 Interrupts */
+ EXTI4_15_IRQn = 7, /*!< EXTI Line 4 to 15 Interrupts */
+ DMA1_Channel1_IRQn = 9, /*!< DMA1 Channel 1 Interrupt */
+ DMA1_Channel2_3_IRQn = 10, /*!< DMA1 Channel 2 and Channel 3 Interrupts */
+ DMA1_Channel4_5_IRQn = 11, /*!< DMA1 Channel 4 and Channel 5 Interrupts */
+ ADC1_IRQn = 12, /*!< ADC1 Interrupt */
+ TIM1_BRK_UP_TRG_COM_IRQn = 13, /*!< TIM1 Break, Update, Trigger and Commutation Interrupts */
+ TIM1_CC_IRQn = 14, /*!< TIM1 Capture Compare Interrupt */
+ TIM3_IRQn = 16, /*!< TIM3 global Interrupt */
+ TIM14_IRQn = 19, /*!< TIM14 global Interrupt */
+ TIM16_IRQn = 21, /*!< TIM16 global Interrupt */
+ TIM17_IRQn = 22, /*!< TIM17 global Interrupt */
+ I2C1_IRQn = 23, /*!< I2C1 Event Interrupt & EXTI Line23 Interrupt (I2C1 wakeup) */
+ SPI1_IRQn = 25, /*!< SPI1 global Interrupt */
+ USART1_IRQn = 27, /*!< USART1 global Interrupt & EXTI Line25 Interrupt (USART1 wakeup) */
+ USART2_IRQn = 28, /*!< USART2 global Interrupt */
+ USB_IRQn = 31 /*!< USB global Interrupts & EXTI Line18 Interrupt */
+#elif defined (STM32F030xC)
+ WWDG_IRQn = 0, /*!< Window WatchDog Interrupt */
+ RTC_IRQn = 2, /*!< RTC Interrupt through EXTI Lines 17, 19 and 20 */
+ FLASH_IRQn = 3, /*!< FLASH global Interrupt */
+ RCC_IRQn = 4, /*!< RCC Global Interrupts */
+ EXTI0_1_IRQn = 5, /*!< EXTI Line 0 and 1 Interrupts */
+ EXTI2_3_IRQn = 6, /*!< EXTI Line 2 and 3 Interrupts */
+ EXTI4_15_IRQn = 7, /*!< EXTI Line 4 to 15 Interrupts */
+ DMA1_Channel1_IRQn = 9, /*!< DMA1 Channel 1 Interrupt */
+ DMA1_Channel2_3_IRQn = 10, /*!< DMA1 Channel 2 and Channel 3 Interrupts */
+ DMA1_Channel4_5_IRQn = 11, /*!< DMA1 Channel 4 and Channel 5 Interrupts */
+ ADC1_IRQn = 12, /*!< ADC Interrupts */
+ TIM1_BRK_UP_TRG_COM_IRQn = 13, /*!< TIM1 Break, Update, Trigger and Commutation Interrupts */
+ TIM1_CC_IRQn = 14, /*!< TIM1 Capture Compare Interrupt */
+ TIM3_IRQn = 16, /*!< TIM3 global Interrupt */
+ TIM6_IRQn = 17, /*!< TIM6 global Interrupts */
+ TIM7_IRQn = 18, /*!< TIM7 global Interrupt */
+ TIM14_IRQn = 19, /*!< TIM14 global Interrupt */
+ TIM15_IRQn = 20, /*!< TIM15 global Interrupt */
+ TIM16_IRQn = 21, /*!< TIM16 global Interrupt */
+ TIM17_IRQn = 22, /*!< TIM17 global Interrupt */
+ I2C1_IRQn = 23, /*!< I2C1 Event Interrupt & EXTI Line23 Interrupt (I2C1 wakeup) */
+ I2C2_IRQn = 24, /*!< I2C2 Event Interrupt */
+ SPI1_IRQn = 25, /*!< SPI1 global Interrupt */
+ SPI2_IRQn = 26, /*!< SPI2 global Interrupt */
+ USART1_IRQn = 27, /*!< USART1 global Interrupt & EXTI Line25 Interrupt (USART1 wakeup) */
+ USART2_IRQn = 28, /*!< USART2 global Interrupt & EXTI Line26 Interrupt (USART2 wakeup) */
+ USART3_6_IRQn = 29, /*!< USART3 to USART6 global Interrupts */
+#endif /* STM32F051 */
+}IRQn_Type;
+
+/**
+ * @}
+ */
+
+#include "core_cm0.h"
+#include "system_stm32f0xx.h"
+#include © COPYRIGHT 2012 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/** @addtogroup CMSIS
+ * @{
+ */
+
+/** @addtogroup stm32f0xx_system
+ * @{
+ */
+
+/** @addtogroup STM32F0xx_System_Private_Includes
+ * @{
+ */
+
+#include "stm32f0xx.h"
+
+/**
+ * @}
+ */
+
+/** @addtogroup STM32F0xx_System_Private_TypesDefinitions
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+/** @addtogroup STM32F0xx_System_Private_Defines
+ * @{
+ */
+/**
+ * @}
+ */
+
+/** @addtogroup STM32F0xx_System_Private_Macros
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+/** @addtogroup STM32F0xx_System_Private_Variables
+ * @{
+ */
+uint32_t SystemCoreClock = 48000000;
+__I uint8_t AHBPrescTable[16] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 7, 8, 9};
+
+/**
+ * @}
+ */
+
+/** @addtogroup STM32F0xx_System_Private_FunctionPrototypes
+ * @{
+ */
+
+static void SetSysClock(void);
+
+/**
+ * @}
+ */
+
+/** @addtogroup STM32F0xx_System_Private_Functions
+ * @{
+ */
+
+/**
+ * @brief Setup the microcontroller system.
+ * Initialize the Embedded Flash Interface, the PLL and update the
+ * SystemCoreClock variable.
+ * @param None
+ * @retval None
+ */
+void SystemInit (void)
+{
+ /* Set HSION bit */
+ RCC->CR |= (uint32_t)0x00000001;
+
+ /* Reset SW[1:0], HPRE[3:0], PPRE[2:0], ADCPRE and MCOSEL[2:0] bits */
+ RCC->CFGR &= (uint32_t)0xF8FFB80C;
+
+ /* Reset HSEON, CSSON and PLLON bits */
+ RCC->CR &= (uint32_t)0xFEF6FFFF;
+
+ /* Reset HSEBYP bit */
+ RCC->CR &= (uint32_t)0xFFFBFFFF;
+
+ /* Reset PLLSRC, PLLXTPRE and PLLMUL[3:0] bits */
+ RCC->CFGR &= (uint32_t)0xFFC0FFFF;
+
+ /* Reset PREDIV1[3:0] bits */
+ RCC->CFGR2 &= (uint32_t)0xFFFFFFF0;
+
+ /* Reset USARTSW[1:0], I2CSW, CECSW and ADCSW bits */
+ RCC->CFGR3 &= (uint32_t)0xFFFFFEAC;
+
+ /* Reset HSI14 bit */
+ RCC->CR2 &= (uint32_t)0xFFFFFFFE;
+
+ /* Disable all interrupts */
+ RCC->CIR = 0x00000000;
+
+ /* Configure the System clock frequency, AHB/APBx prescalers and Flash settings */
+ SetSysClock();
+}
+
+/**
+ * @brief Update SystemCoreClock according to Clock Register Values
+ * The SystemCoreClock variable contains the core clock (HCLK), it can
+ * be used by the user application to setup the SysTick timer or configure
+ * other parameters.
+ *
+ * @note Each time the core clock (HCLK) changes, this function must be called
+ * to update SystemCoreClock variable value. Otherwise, any configuration
+ * based on this variable will be incorrect.
+ *
+ * @note - The system frequency computed by this function is not the real
+ * frequency in the chip. It is calculated based on the predefined
+ * constant and the selected clock source:
+ *
+ * - If SYSCLK source is HSI, SystemCoreClock will contain the HSI_VALUE(*)
+ *
+ * - If SYSCLK source is HSE, SystemCoreClock will contain the HSE_VALUE(**)
+ *
+ * - If SYSCLK source is PLL, SystemCoreClock will contain the HSE_VALUE(**)
+ * or HSI_VALUE(*) multiplied/divided by the PLL factors.
+ *
+ * (*) HSI_VALUE is a constant defined in stm32f0xx.h file (default value
+ * 8 MHz) but the real value may vary depending on the variations
+ * in voltage and temperature.
+ *
+ * (**) HSE_VALUE is a constant defined in stm32f0xx.h file (default value
+ * 8 MHz), user has to ensure that HSE_VALUE is same as the real
+ * frequency of the crystal used. Otherwise, this function may
+ * have wrong result.
+ *
+ * - The result of this function could be not correct when using fractional
+ * value for HSE crystal.
+ * @param None
+ * @retval None
+ */
+void SystemCoreClockUpdate (void)
+{
+ uint32_t tmp = 0, pllmull = 0, pllsource = 0, prediv1factor = 0;
+
+ /* Get SYSCLK source -------------------------------------------------------*/
+ tmp = RCC->CFGR & RCC_CFGR_SWS;
+
+ switch (tmp)
+ {
+ case 0x00: /* HSI used as system clock */
+ SystemCoreClock = HSI_VALUE;
+ break;
+ case 0x04: /* HSE used as system clock */
+ SystemCoreClock = HSE_VALUE;
+ break;
+ case 0x08: /* PLL used as system clock */
+ /* Get PLL clock source and multiplication factor ----------------------*/
+ pllmull = RCC->CFGR & RCC_CFGR_PLLMULL;
+ pllsource = RCC->CFGR & RCC_CFGR_PLLSRC;
+ pllmull = ( pllmull >> 18) + 2;
+
+ if (pllsource == 0x00)
+ {
+ /* HSI oscillator clock divided by 2 selected as PLL clock entry */
+ SystemCoreClock = (HSI_VALUE >> 1) * pllmull;
+ }
+ else
+ {
+ prediv1factor = (RCC->CFGR2 & RCC_CFGR2_PREDIV1) + 1;
+ /* HSE oscillator clock selected as PREDIV1 clock entry */
+ SystemCoreClock = (HSE_VALUE / prediv1factor) * pllmull;
+ }
+ break;
+ default: /* HSI used as system clock */
+ SystemCoreClock = HSI_VALUE;
+ break;
+ }
+ /* Compute HCLK clock frequency ----------------*/
+ /* Get HCLK prescaler */
+ tmp = AHBPrescTable[((RCC->CFGR & RCC_CFGR_HPRE) >> 4)];
+ /* HCLK clock frequency */
+ SystemCoreClock >>= tmp;
+}
+
+/**
+ * @brief Configures the System clock frequency, AHB/APBx prescalers and Flash
+ * settings.
+ * @note This function should be called only once the RCC clock configuration
+ * is reset to the default reset state (done in SystemInit() function).
+ * @param None
+ * @retval None
+ */
+static void SetSysClock(void)
+{
+/******************************************************************************/
+/* PLL (clocked by HSI) used as System clock source */
+/******************************************************************************/
+
+ /* At this stage the HSI is already enabled and used as System clock source */
+
+ /* SYSCLK, HCLK, PCLK configuration ----------------------------------------*/
+
+ /* Enable Prefetch Buffer and set Flash Latency */
+ FLASH->ACR = FLASH_ACR_PRFTBE | FLASH_ACR_LATENCY;
+
+ /* HCLK = SYSCLK / 1 */
+ RCC->CFGR |= (uint32_t)RCC_CFGR_HPRE_DIV1;
+
+ /* PCLK = HCLK / 1 */
+ RCC->CFGR |= (uint32_t)RCC_CFGR_PPRE_DIV1;
+
+ /* PLL configuration */
+ RCC->CFGR &= (uint32_t)((uint32_t)~(RCC_CFGR_PLLSRC | RCC_CFGR_PLLXTPRE | RCC_CFGR_PLLMULL));
+ RCC->CFGR |= (uint32_t)(RCC_CFGR_PLLSRC_HSI_Div2 | RCC_CFGR_PLLXTPRE_PREDIV1 | RCC_CFGR_PLLMULL12);
+
+ /* Enable PLL */
+ RCC->CR |= RCC_CR_PLLON;
+
+ /* Wait till PLL is ready */
+ while((RCC->CR & RCC_CR_PLLRDY) == 0)
+ {
+ }
+
+ /* Select PLL as system clock source */
+ RCC->CFGR &= (uint32_t)((uint32_t)~(RCC_CFGR_SW));
+ RCC->CFGR |= (uint32_t)RCC_CFGR_SW_PLL;
+
+ /* Wait till PLL is used as system clock source */
+ while ((RCC->CFGR & (uint32_t)RCC_CFGR_SWS) != (uint32_t)RCC_CFGR_SWS_PLL)
+ {
+ }
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/system_stm32f0xx.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/system_stm32f0xx.h
new file mode 100644
index 00000000..619055de
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/lib/system_stm32f0xx.h
@@ -0,0 +1,104 @@
+/**
+ ******************************************************************************
+ * @file system_stm32f0xx.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief CMSIS Cortex-M0 Device Peripheral Access Layer System Header File.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/** @addtogroup CMSIS
+ * @{
+ */
+
+/** @addtogroup stm32f0xx_system
+ * @{
+ */
+
+/**
+ * @brief Define to prevent recursive inclusion
+ */
+#ifndef __SYSTEM_STM32F0XX_H
+#define __SYSTEM_STM32F0XX_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/** @addtogroup STM32F0xx_System_Includes
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+
+/** @addtogroup STM32F0xx_System_Exported_types
+ * @{
+ */
+
+extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */
+
+/**
+ * @}
+ */
+
+/** @addtogroup STM32F0xx_System_Exported_Constants
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+/** @addtogroup STM32F0xx_System_Exported_Macros
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+/** @addtogroup STM32F0xx_System_Exported_Functions
+ * @{
+ */
+
+extern void SystemInit(void);
+extern void SystemCoreClockUpdate(void);
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*__SYSTEM_STM32F0XX_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/main.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/main.c
new file mode 100644
index 00000000..a94a51d8
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Boot/main.c
@@ -0,0 +1,130 @@
+/************************************************************************************//**
+* \file Demo\ARMCM0_STM32F0_Nucleo_F091RC_GCC\Boot\main.c
+* \brief Bootloader application source file.
+* \ingroup Boot_ARMCM0_STM32F0_Nucleo_F091RC_GCC
+* \internal
+*----------------------------------------------------------------------------------------
+* C O P Y R I G H T
+*----------------------------------------------------------------------------------------
+* Copyright (c) 2016 by Feaser http://www.feaser.com All rights reserved
+*
+*----------------------------------------------------------------------------------------
+* L I C E N S E
+*----------------------------------------------------------------------------------------
+* This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
+* modify it under the terms of the GNU General Public License as published by the Free
+* Software Foundation, either version 3 of the License, or (at your option) any later
+* version.
+*
+* OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+* PURPOSE. See the GNU General Public License for more details.
+*
+* You have received a copy of the GNU General Public License along with OpenBLT. It
+* should be located in ".\Doc\license.html". If not, contact Feaser to obtain a copy.
+*
+* \endinternal
+****************************************************************************************/
+
+/****************************************************************************************
+* Include files
+****************************************************************************************/
+#include "boot.h" /* bootloader generic header */
+#include "stm32f0xx.h" /* STM32 registers and drivers */
+
+
+/****************************************************************************************
+* Function prototypes
+****************************************************************************************/
+static void Init(void);
+
+
+/************************************************************************************//**
+** \brief This is the entry point for the bootloader application and is called
+** by the reset interrupt vector after the C-startup routines executed.
+** \return Program return code.
+**
+****************************************************************************************/
+int main(void)
+{
+ /* initialize the microcontroller */
+ Init();
+ /* initialize the bootloader */
+ BootInit();
+
+ /* start the infinite program loop */
+ while (1)
+ {
+ /* run the bootloader task */
+ BootTask();
+ }
+
+ /* program should never get here */
+ return 0;
+} /*** end of main ***/
+
+
+/************************************************************************************//**
+** \brief Initializes the microcontroller.
+** \return none.
+**
+****************************************************************************************/
+static void Init(void)
+{
+ GPIO_InitTypeDef GPIO_InitStructure;
+
+ /* enable the GPIO_LED Clock */
+ RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);
+ /* configure the GPIO_LED pin */
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
+ GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
+ GPIO_Init(GPIOA, &GPIO_InitStructure);
+ GPIO_ResetBits(GPIOA, GPIO_Pin_5);
+
+ /* configure the pushbutton pin as input for backdoor entry */
+ RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOC, ENABLE);
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
+ GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13;
+ GPIO_Init(GPIOC, &GPIO_InitStructure);
+
+#if (BOOT_COM_UART_ENABLE > 0)
+ /* enable the USART2 clock */
+ RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2,ENABLE);
+ /* enable the USART2 Tx/Rx and pushbutton GPIO clock */
+ RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);
+ /* configure alternate function for the USART2 Tx/Rx pins */
+ GPIO_PinAFConfig(GPIOA, GPIO_PinSource2, GPIO_AF_1);
+ GPIO_PinAFConfig(GPIOA, GPIO_PinSource3, GPIO_AF_1);
+ /* Configure USART2 pins: Rx (PA2) and Tx (PA3) */
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2 | GPIO_Pin_3;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
+ GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
+ GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
+ GPIO_Init(GPIOA, &GPIO_InitStructure);
+#endif
+
+#if (BOOT_COM_CAN_ENABLE > 0)
+ /* enable CAN1 clock */
+ RCC_APB1PeriphClockCmd(RCC_APB1Periph_CAN, ENABLE);
+ /* enable clocks for CAN1 transmitter and receiver pins */
+ RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOB, ENABLE);
+ /* select alternate function for the CAN1 pins */
+ GPIO_PinAFConfig(GPIOB, GPIO_PinSource8, GPIO_AF_4);
+ GPIO_PinAFConfig(GPIOB, GPIO_PinSource9, GPIO_AF_4);
+ /* configure CAN1 RX and TX pins */
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 | GPIO_Pin_9;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
+ GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
+ GPIO_Init(GPIOB, &GPIO_InitStructure);
+#endif
+} /*** end of Init ***/
+
+
+/*********************************** end of main.c *************************************/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/bin/demoprog_stm32f091.elf b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/bin/demoprog_stm32f091.elf
new file mode 100644
index 00000000..df5e1ae9
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diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/bin/demoprog_stm32f091.map b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/bin/demoprog_stm32f091.map
new file mode 100644
index 00000000..ec351eb6
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/bin/demoprog_stm32f091.map
@@ -0,0 +1,3957 @@
+Archive member included to satisfy reference by file (symbol)
+
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+ .text 0x00000000 0x0 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m\libg_n.a(lib_a-impure.o)
+ .data 0x00000000 0x0 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m\libg_n.a(lib_a-impure.o)
+ .bss 0x00000000 0x0 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m\libg_n.a(lib_a-impure.o)
+ .data._impure_ptr
+ 0x00000000 0x4 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m\libg_n.a(lib_a-impure.o)
+ .text 0x00000000 0x0 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m\libg_n.a(lib_a-init.o)
+ .data 0x00000000 0x0 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m\libg_n.a(lib_a-init.o)
+ .bss 0x00000000 0x0 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m\libg_n.a(lib_a-init.o)
+ .text 0x00000000 0x0 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m\libg_n.a(lib_a-memcpy-stub.o)
+ .data 0x00000000 0x0 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m\libg_n.a(lib_a-memcpy-stub.o)
+ .bss 0x00000000 0x0 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m\libg_n.a(lib_a-memcpy-stub.o)
+ .text 0x00000000 0x0 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m\libg_n.a(lib_a-memset.o)
+ .data 0x00000000 0x0 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m\libg_n.a(lib_a-memset.o)
+ .bss 0x00000000 0x0 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m\libg_n.a(lib_a-memset.o)
+ .text 0x00000000 0x0 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m\libnosys_s.a(_exit.o)
+ .data 0x00000000 0x0 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m\libnosys_s.a(_exit.o)
+ .bss 0x00000000 0x0 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m\libnosys_s.a(_exit.o)
+ .text 0x00000000 0x0 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/armv6-m/crtend.o
+ .data 0x00000000 0x0 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/armv6-m/crtend.o
+ .bss 0x00000000 0x0 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/armv6-m/crtend.o
+ .jcr 0x00000000 0x4 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/armv6-m/crtend.o
+ .text 0x00000000 0x0 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/armv6-m/crtn.o
+ .data 0x00000000 0x0 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/armv6-m/crtn.o
+ .bss 0x00000000 0x0 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/armv6-m/crtn.o
+
+Memory Configuration
+
+Name Origin Length Attributes
+ROM 0x08002000 0x0003e000 xr
+RAM 0x200000c0 0x00007f40 xrw
+*default* 0x00000000 0xffffffff
+
+Linker script and memory map
+
+LOAD c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/armv6-m/crti.o
+LOAD c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/armv6-m/crtbegin.o
+LOAD c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m/crt0.o
+ 0x00000000 __HEAP_SIZE = 0x0
+ 0x00000100 __STACK_SIZE = 0x100
+
+.text 0x08002000 0xfe8
+ *(.isr_vector)
+ .isr_vector 0x08002000 0xc4 ..\obj\startup_stm32f0xx.o
+ 0x08002000 __isr_vector
+ *(.text*)
+ .text 0x080020c4 0x60 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/armv6-m/crtbegin.o
+ .text 0x08002124 0x78 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m/crt0.o
+ 0x08002124 _start
+ 0x08002124 _mainCRTStartup
+ .text.BootComUartInit
+ 0x0800219c 0x78 ..\obj\boot.o
+ .text.CanGetSpeedConfig
+ 0x08002214 0x7c ..\obj\boot.o
+ .text.BootComCanInit
+ 0x08002290 0xd0 ..\obj\boot.o
+ .text.UartReceiveByte
+ 0x08002360 0x24 ..\obj\boot.o
+ .text.BootComInit
+ 0x08002384 0xc ..\obj\boot.o
+ 0x08002384 BootComInit
+ .text.BootActivate
+ 0x08002390 0x18 ..\obj\boot.o
+ 0x08002390 BootActivate
+ .text.BootComUartCheckActivationRequest
+ 0x080023a8 0x70 ..\obj\boot.o
+ .text.BootComCanCheckActivationRequest
+ 0x08002418 0x44 ..\obj\boot.o
+ .text.BootComCheckActivationRequest
+ 0x0800245c 0xc ..\obj\boot.o
+ 0x0800245c BootComCheckActivationRequest
+ .text.LedInit 0x08002468 0x3c ..\obj\led.o
+ 0x08002468 LedInit
+ .text.LedToggle
+ 0x080024a4 0x50 ..\obj\led.o
+ 0x080024a4 LedToggle
+ .text.CAN_DeInit
+ 0x080024f4 0x18 ..\obj\lib\spl\src\stm32f0xx_can.o
+ 0x080024f4 CAN_DeInit
+ .text.CAN_Init
+ 0x0800250c 0x108 ..\obj\lib\spl\src\stm32f0xx_can.o
+ 0x0800250c CAN_Init
+ .text.CAN_FilterInit
+ 0x08002614 0xfc ..\obj\lib\spl\src\stm32f0xx_can.o
+ 0x08002614 CAN_FilterInit
+ .text.CAN_StructInit
+ 0x08002710 0x20 ..\obj\lib\spl\src\stm32f0xx_can.o
+ 0x08002710 CAN_StructInit
+ .text.CAN_Receive
+ 0x08002730 0x9c ..\obj\lib\spl\src\stm32f0xx_can.o
+ 0x08002730 CAN_Receive
+ .text.CAN_MessagePending
+ 0x080027cc 0x1c ..\obj\lib\spl\src\stm32f0xx_can.o
+ 0x080027cc CAN_MessagePending
+ .text.GPIO_Init
+ 0x080027e8 0x84 ..\obj\lib\spl\src\stm32f0xx_gpio.o
+ 0x080027e8 GPIO_Init
+ .text.GPIO_SetBits
+ 0x0800286c 0x4 ..\obj\lib\spl\src\stm32f0xx_gpio.o
+ 0x0800286c GPIO_SetBits
+ .text.GPIO_ResetBits
+ 0x08002870 0x4 ..\obj\lib\spl\src\stm32f0xx_gpio.o
+ 0x08002870 GPIO_ResetBits
+ .text.GPIO_PinAFConfig
+ 0x08002874 0x24 ..\obj\lib\spl\src\stm32f0xx_gpio.o
+ 0x08002874 GPIO_PinAFConfig
+ .text.RCC_GetClocksFreq
+ 0x08002898 0x1f0 ..\obj\lib\spl\src\stm32f0xx_rcc.o
+ 0x08002898 RCC_GetClocksFreq
+ .text.RCC_AHBPeriphClockCmd
+ 0x08002a88 0x1c ..\obj\lib\spl\src\stm32f0xx_rcc.o
+ 0x08002a88 RCC_AHBPeriphClockCmd
+ .text.RCC_APB1PeriphClockCmd
+ 0x08002aa4 0x1c ..\obj\lib\spl\src\stm32f0xx_rcc.o
+ 0x08002aa4 RCC_APB1PeriphClockCmd
+ .text.RCC_APB1PeriphResetCmd
+ 0x08002ac0 0x1c ..\obj\lib\spl\src\stm32f0xx_rcc.o
+ 0x08002ac0 RCC_APB1PeriphResetCmd
+ .text.USART_Init
+ 0x08002adc 0xdc ..\obj\lib\spl\src\stm32f0xx_usart.o
+ 0x08002adc USART_Init
+ .text.USART_Cmd
+ 0x08002bb8 0x18 ..\obj\lib\spl\src\stm32f0xx_usart.o
+ 0x08002bb8 USART_Cmd
+ .text.USART_ReceiveData
+ 0x08002bd0 0x8 ..\obj\lib\spl\src\stm32f0xx_usart.o
+ 0x08002bd0 USART_ReceiveData
+ .text.USART_GetFlagStatus
+ 0x08002bd8 0x10 ..\obj\lib\spl\src\stm32f0xx_usart.o
+ 0x08002bd8 USART_GetFlagStatus
+ .text.SetSysClock
+ 0x08002be8 0x60 ..\obj\lib\system_stm32f0xx.o
+ .text.SystemInit
+ 0x08002c48 0x64 ..\obj\lib\system_stm32f0xx.o
+ 0x08002c48 SystemInit
+ .text.Init 0x08002cac 0xc ..\obj\main.o
+ .text.main 0x08002cb8 0x14 ..\obj\main.o
+ 0x08002cb8 main
+ .text 0x08002ccc 0xa8 ..\obj\startup_stm32f0xx.o
+ 0x08002ccc Reset_Handler
+ 0x08002d1e NMI_Handler
+ 0x08002d20 HardFault_Handler
+ 0x08002d22 SVC_Handler
+ 0x08002d24 PendSV_Handler
+ 0x08002d28 Default_Handler
+ 0x08002d2a WWDG_IRQHandler
+ 0x08002d2c PVD_IRQHandler
+ 0x08002d2e RTC_IRQHandler
+ 0x08002d30 FLASH_IRQHandler
+ 0x08002d32 RCC_IRQHandler
+ 0x08002d34 EXTI0_1_IRQHandler
+ 0x08002d36 EXTI2_3_IRQHandler
+ 0x08002d38 EXTI4_15_IRQHandler
+ 0x08002d3a TS_IRQHandler
+ 0x08002d3c DMA1_Channel1_IRQHandler
+ 0x08002d3e DMA1_Channel2_3_IRQHandler
+ 0x08002d40 DMA1_Channel4_5_IRQHandler
+ 0x08002d42 ADC1_COMP_IRQHandler
+ 0x08002d44 TIM1_BRK_UP_TRG_COM_IRQHandler
+ 0x08002d46 TIM1_CC_IRQHandler
+ 0x08002d48 TIM2_IRQHandler
+ 0x08002d4a TIM3_IRQHandler
+ 0x08002d4c TIM6_DAC_IRQHandler
+ 0x08002d4e TIM7_IRQHandler
+ 0x08002d50 TIM14_IRQHandler
+ 0x08002d52 TIM15_IRQHandler
+ 0x08002d54 TIM16_IRQHandler
+ 0x08002d56 TIM17_IRQHandler
+ 0x08002d58 I2C1_IRQHandler
+ 0x08002d5a I2C2_IRQHandler
+ 0x08002d5c SPI1_IRQHandler
+ 0x08002d5e SPI2_IRQHandler
+ 0x08002d60 USART1_IRQHandler
+ 0x08002d62 USART2_IRQHandler
+ 0x08002d64 USART3_4_IRQHandler
+ 0x08002d66 CEC_IRQHandler
+ 0x08002d68 USB_IRQHandler
+ 0x08002d6a BootRAM
+ .text.TimerSet
+ 0x08002d74 0xc ..\obj\timer.o
+ 0x08002d74 TimerSet
+ .text.TimerInit
+ 0x08002d80 0x4c ..\obj\timer.o
+ 0x08002d80 TimerInit
+ .text.TimerGet
+ 0x08002dcc 0xc ..\obj\timer.o
+ 0x08002dcc TimerGet
+ .text.SysTick_Handler
+ 0x08002dd8 0x10 ..\obj\timer.o
+ 0x08002dd8 SysTick_Handler
+ .text 0x08002de8 0x114 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/armv6-m\libgcc.a(_udivsi3.o)
+ 0x08002de8 __aeabi_uidiv
+ 0x08002de8 __udivsi3
+ 0x08002ef4 __aeabi_uidivmod
+ .text 0x08002efc 0x4 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/armv6-m\libgcc.a(_dvmd_tls.o)
+ 0x08002efc __aeabi_idiv0
+ 0x08002efc __aeabi_ldiv0
+ .text.exit 0x08002f00 0x2c c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m\libg_n.a(lib_a-exit.o)
+ 0x08002f00 exit
+ .text.__libc_init_array
+ 0x08002f2c 0x4c c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m\libg_n.a(lib_a-init.o)
+ 0x08002f2c __libc_init_array
+ .text.memcpy 0x08002f78 0x12 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m\libg_n.a(lib_a-memcpy-stub.o)
+ 0x08002f78 memcpy
+ .text.memset 0x08002f8a 0x10 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m\libg_n.a(lib_a-memset.o)
+ 0x08002f8a memset
+ .text._exit 0x08002f9a 0x2 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m\libnosys_s.a(_exit.o)
+ 0x08002f9a _exit
+ *(.init)
+ .init 0x08002f9c 0x4 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/armv6-m/crti.o
+ 0x08002f9c _init
+ .init 0x08002fa0 0x8 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/armv6-m/crtn.o
+ *(.fini)
+ .fini 0x08002fa8 0x4 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/armv6-m/crti.o
+ 0x08002fa8 _fini
+ .fini 0x08002fac 0x8 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/armv6-m/crtn.o
+ *crtbegin.o(.ctors)
+ *crtbegin?.o(.ctors)
+ *(EXCLUDE_FILE(*crtend.o *crtend?.o) .ctors)
+ *(SORT(.ctors.*))
+ *(.ctors)
+ *crtbegin.o(.dtors)
+ *crtbegin?.o(.dtors)
+ *(EXCLUDE_FILE(*crtend.o *crtend?.o) .dtors)
+ *(SORT(.dtors.*))
+ *(.dtors)
+ *(.rodata*)
+ .rodata 0x08002fb4 0x2 ..\obj\boot.o
+ *fill* 0x08002fb6 0x2
+ .rodata.canTiming
+ 0x08002fb8 0x24 ..\obj\boot.o
+ .rodata.str1.1
+ 0x08002fdc 0x2 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m\libg_n.a(lib_a-impure.o)
+ *fill* 0x08002fde 0x2
+ .rodata._global_impure_ptr
+ 0x08002fe0 0x4 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m\libg_n.a(lib_a-impure.o)
+ 0x08002fe0 _global_impure_ptr
+ *(.eh_frame*)
+ .eh_frame 0x08002fe4 0x0 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/armv6-m/crtbegin.o
+ .eh_frame 0x08002fe4 0x4 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/armv6-m/crtend.o
+
+.glue_7 0x08002fe8 0x0
+ .glue_7 0x08002fe8 0x0 linker stubs
+
+.glue_7t 0x08002fe8 0x0
+ .glue_7t 0x08002fe8 0x0 linker stubs
+
+.vfp11_veneer 0x08002fe8 0x0
+ .vfp11_veneer 0x08002fe8 0x0 linker stubs
+
+.v4_bx 0x08002fe8 0x0
+ .v4_bx 0x08002fe8 0x0 linker stubs
+
+.iplt 0x08002fe8 0x0
+ .iplt 0x08002fe8 0x0 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/armv6-m/crtbegin.o
+
+.ARM.extab
+ *(.ARM.extab* .gnu.linkonce.armextab.*)
+ 0x08002fe8 __exidx_start = .
+
+.ARM.exidx 0x08002fe8 0x8
+ *(.ARM.exidx* .gnu.linkonce.armexidx.*)
+ .ARM.exidx 0x08002fe8 0x8 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m/crt0.o
+ 0x08002ff0 __exidx_end = .
+ 0x08002ff0 __etext = .
+
+.rel.dyn 0x08002ff0 0x0
+ .rel.iplt 0x08002ff0 0x0 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/armv6-m/crtbegin.o
+
+.data 0x200000c0 0x7c load address 0x08002ff0
+ 0x200000c0 __data_start__ = .
+ *(vtable)
+ *(.data*)
+ .data.APBAHBPrescTable
+ 0x200000c0 0x10 ..\obj\lib\spl\src\stm32f0xx_rcc.o
+ .data.SystemCoreClock
+ 0x200000d0 0x4 ..\obj\lib\system_stm32f0xx.o
+ 0x200000d0 SystemCoreClock
+ .data.impure_data
+ 0x200000d4 0x60 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m\libg_n.a(lib_a-impure.o)
+ 0x20000134 . = ALIGN (0x4)
+ 0x20000134 PROVIDE (__preinit_array_start, .)
+ *(.preinit_array)
+ 0x20000134 PROVIDE (__preinit_array_end, .)
+ 0x20000134 . = ALIGN (0x4)
+ 0x20000134 PROVIDE (__init_array_start, .)
+ *(SORT(.init_array.*))
+ *(.init_array)
+ .init_array 0x20000134 0x4 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/armv6-m/crtbegin.o
+ 0x20000138 PROVIDE (__init_array_end, .)
+ 0x20000138 . = ALIGN (0x4)
+ [!provide] PROVIDE (__fini_array_start, .)
+ *(SORT(.fini_array.*))
+ *(.fini_array)
+ .fini_array 0x20000138 0x4 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/armv6-m/crtbegin.o
+ [!provide] PROVIDE (__fini_array_end, .)
+ 0x2000013c . = ALIGN (0x4)
+ 0x2000013c __data_end__ = .
+
+.jcr 0x2000013c 0x0 load address 0x0800306c
+ .jcr 0x2000013c 0x0 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/armv6-m/crtbegin.o
+
+.igot.plt 0x2000013c 0x0 load address 0x0800306c
+ .igot.plt 0x2000013c 0x0 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/armv6-m/crtbegin.o
+
+.bss 0x2000013c 0x6c load address 0x0800306c
+ 0x2000013c __bss_start__ = .
+ *(.bss*)
+ .bss 0x2000013c 0x1c c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/armv6-m/crtbegin.o
+ .bss.xcpCtoReqPacket.6496
+ 0x20000158 0x41 ..\obj\boot.o
+ .bss.xcpCtoRxLength.6497
+ 0x20000199 0x1 ..\obj\boot.o
+ .bss.xcpCtoRxInProgress.6498
+ 0x2000019a 0x1 ..\obj\boot.o
+ *fill* 0x2000019b 0x1
+ .bss.timer_counter_last.6477
+ 0x2000019c 0x4 ..\obj\led.o
+ .bss.led_toggle_state.6476
+ 0x200001a0 0x1 ..\obj\led.o
+ *fill* 0x200001a1 0x3
+ .bss.millisecond_counter
+ 0x200001a4 0x4 ..\obj\timer.o
+ *(COMMON)
+ 0x200001a8 __bss_end__ = .
+
+.heap 0x200001a8 0x0
+ 0x200001a8 __end__ = .
+ 0x200001a8 end = __end__
+ *(.heap*)
+ .heap 0x200001a8 0x0 ..\obj\startup_stm32f0xx.o
+ 0x200001a8 __HeapLimit = .
+
+.stack_dummy 0x200001a8 0x100
+ *(.stack)
+ .stack 0x200001a8 0x100 ..\obj\startup_stm32f0xx.o
+ 0x20008000 __StackTop = (ORIGIN (RAM) + LENGTH (RAM))
+ 0x20007f00 __StackLimit = (__StackTop - SIZEOF (.stack_dummy))
+ 0x20008000 PROVIDE (__stack, __StackTop)
+ 0x00000001 ASSERT ((__StackLimit >= __HeapLimit), region RAM overflowed with stack)
+LOAD ..\obj\boot.o
+LOAD ..\obj\led.o
+LOAD ..\obj\lib\spl\src\stm32f0xx_adc.o
+LOAD ..\obj\lib\spl\src\stm32f0xx_can.o
+LOAD ..\obj\lib\spl\src\stm32f0xx_cec.o
+LOAD ..\obj\lib\spl\src\stm32f0xx_comp.o
+LOAD ..\obj\lib\spl\src\stm32f0xx_crc.o
+LOAD ..\obj\lib\spl\src\stm32f0xx_crs.o
+LOAD ..\obj\lib\spl\src\stm32f0xx_dac.o
+LOAD ..\obj\lib\spl\src\stm32f0xx_dbgmcu.o
+LOAD ..\obj\lib\spl\src\stm32f0xx_dma.o
+LOAD ..\obj\lib\spl\src\stm32f0xx_exti.o
+LOAD ..\obj\lib\spl\src\stm32f0xx_flash.o
+LOAD ..\obj\lib\spl\src\stm32f0xx_gpio.o
+LOAD ..\obj\lib\spl\src\stm32f0xx_i2c.o
+LOAD ..\obj\lib\spl\src\stm32f0xx_iwdg.o
+LOAD ..\obj\lib\spl\src\stm32f0xx_misc.o
+LOAD ..\obj\lib\spl\src\stm32f0xx_pwr.o
+LOAD ..\obj\lib\spl\src\stm32f0xx_rcc.o
+LOAD ..\obj\lib\spl\src\stm32f0xx_rtc.o
+LOAD ..\obj\lib\spl\src\stm32f0xx_spi.o
+LOAD ..\obj\lib\spl\src\stm32f0xx_syscfg.o
+LOAD ..\obj\lib\spl\src\stm32f0xx_tim.o
+LOAD ..\obj\lib\spl\src\stm32f0xx_usart.o
+LOAD ..\obj\lib\spl\src\stm32f0xx_wwdg.o
+LOAD ..\obj\lib\system_stm32f0xx.o
+LOAD ..\obj\main.o
+LOAD ..\obj\startup_stm32f0xx.o
+LOAD ..\obj\timer.o
+START GROUP
+LOAD c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/armv6-m\libgcc.a
+LOAD c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m\libg_n.a
+LOAD c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m\libc_n.a
+END GROUP
+START GROUP
+LOAD c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/armv6-m\libgcc.a
+LOAD c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m\libc_n.a
+LOAD c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m\libnosys_s.a
+END GROUP
+LOAD c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/armv6-m/crtend.o
+LOAD c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/armv6-m/crtn.o
+OUTPUT(..\bin\demoprog_stm32f091.elf elf32-littlearm)
+
+.ARM.attributes
+ 0x00000000 0x28
+ .ARM.attributes
+ 0x00000000 0x1e c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/armv6-m/crti.o
+ .ARM.attributes
+ 0x0000001e 0x2c c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/armv6-m/crtbegin.o
+ .ARM.attributes
+ 0x0000004a 0x1b c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m/crt0.o
+ .ARM.attributes
+ 0x00000065 0x31 ..\obj\boot.o
+ .ARM.attributes
+ 0x00000096 0x31 ..\obj\led.o
+ .ARM.attributes
+ 0x000000c7 0x31 ..\obj\lib\spl\src\stm32f0xx_can.o
+ .ARM.attributes
+ 0x000000f8 0x31 ..\obj\lib\spl\src\stm32f0xx_gpio.o
+ .ARM.attributes
+ 0x00000129 0x31 ..\obj\lib\spl\src\stm32f0xx_rcc.o
+ .ARM.attributes
+ 0x0000015a 0x31 ..\obj\lib\spl\src\stm32f0xx_usart.o
+ .ARM.attributes
+ 0x0000018b 0x31 ..\obj\lib\system_stm32f0xx.o
+ .ARM.attributes
+ 0x000001bc 0x31 ..\obj\main.o
+ .ARM.attributes
+ 0x000001ed 0x1b ..\obj\startup_stm32f0xx.o
+ .ARM.attributes
+ 0x00000208 0x31 ..\obj\timer.o
+ .ARM.attributes
+ 0x00000239 0x1e c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/armv6-m\libgcc.a(_udivsi3.o)
+ .ARM.attributes
+ 0x00000257 0x1e c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/armv6-m\libgcc.a(_dvmd_tls.o)
+ .ARM.attributes
+ 0x00000275 0x2c c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m\libg_n.a(lib_a-exit.o)
+ .ARM.attributes
+ 0x000002a1 0x2c c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m\libg_n.a(lib_a-impure.o)
+ .ARM.attributes
+ 0x000002cd 0x2c c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m\libg_n.a(lib_a-init.o)
+ .ARM.attributes
+ 0x000002f9 0x2c c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m\libg_n.a(lib_a-memcpy-stub.o)
+ .ARM.attributes
+ 0x00000325 0x2c c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m\libg_n.a(lib_a-memset.o)
+ .ARM.attributes
+ 0x00000351 0x2c c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m\libnosys_s.a(_exit.o)
+ .ARM.attributes
+ 0x0000037d 0x2c c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/armv6-m/crtend.o
+ .ARM.attributes
+ 0x000003a9 0x1e c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/armv6-m/crtn.o
+
+.comment 0x00000000 0x6e
+ .comment 0x00000000 0x6e ..\obj\boot.o
+ 0x6f (size before relaxing)
+ .comment 0x0000006e 0x6f ..\obj\led.o
+ .comment 0x0000006e 0x6f ..\obj\lib\spl\src\stm32f0xx_can.o
+ .comment 0x0000006e 0x6f ..\obj\lib\spl\src\stm32f0xx_gpio.o
+ .comment 0x0000006e 0x6f ..\obj\lib\spl\src\stm32f0xx_rcc.o
+ .comment 0x0000006e 0x6f ..\obj\lib\spl\src\stm32f0xx_usart.o
+ .comment 0x0000006e 0x6f ..\obj\lib\system_stm32f0xx.o
+ .comment 0x0000006e 0x6f ..\obj\main.o
+ .comment 0x0000006e 0x6f ..\obj\timer.o
+
+.debug_info 0x00000000 0x4abf
+ .debug_info 0x00000000 0xf4d ..\obj\boot.o
+ .debug_info 0x00000f4d 0x3cb ..\obj\led.o
+ .debug_info 0x00001318 0xcdf ..\obj\lib\spl\src\stm32f0xx_can.o
+ .debug_info 0x00001ff7 0x724 ..\obj\lib\spl\src\stm32f0xx_gpio.o
+ .debug_info 0x0000271b 0xaa0 ..\obj\lib\spl\src\stm32f0xx_rcc.o
+ .debug_info 0x000031bb 0x1012 ..\obj\lib\spl\src\stm32f0xx_usart.o
+ .debug_info 0x000041cd 0x2c4 ..\obj\lib\system_stm32f0xx.o
+ .debug_info 0x00004491 0x114 ..\obj\main.o
+ .debug_info 0x000045a5 0x8e ..\obj\startup_stm32f0xx.o
+ .debug_info 0x00004633 0x48c ..\obj\timer.o
+
+.debug_abbrev 0x00000000 0xf79
+ .debug_abbrev 0x00000000 0x2b1 ..\obj\boot.o
+ .debug_abbrev 0x000002b1 0x157 ..\obj\led.o
+ .debug_abbrev 0x00000408 0x220 ..\obj\lib\spl\src\stm32f0xx_can.o
+ .debug_abbrev 0x00000628 0x1d4 ..\obj\lib\spl\src\stm32f0xx_gpio.o
+ .debug_abbrev 0x000007fc 0x235 ..\obj\lib\spl\src\stm32f0xx_rcc.o
+ .debug_abbrev 0x00000a31 0x1b8 ..\obj\lib\spl\src\stm32f0xx_usart.o
+ .debug_abbrev 0x00000be9 0x116 ..\obj\lib\system_stm32f0xx.o
+ .debug_abbrev 0x00000cff 0x80 ..\obj\main.o
+ .debug_abbrev 0x00000d7f 0x14 ..\obj\startup_stm32f0xx.o
+ .debug_abbrev 0x00000d93 0x1e6 ..\obj\timer.o
+
+.debug_loc 0x00000000 0x258e
+ .debug_loc 0x00000000 0xfa ..\obj\boot.o
+ .debug_loc 0x000000fa 0x34 ..\obj\led.o
+ .debug_loc 0x0000012e 0xde0 ..\obj\lib\spl\src\stm32f0xx_can.o
+ .debug_loc 0x00000f0e 0x2b0 ..\obj\lib\spl\src\stm32f0xx_gpio.o
+ .debug_loc 0x000011be 0x937 ..\obj\lib\spl\src\stm32f0xx_rcc.o
+ .debug_loc 0x00001af5 0x921 ..\obj\lib\spl\src\stm32f0xx_usart.o
+ .debug_loc 0x00002416 0x11f ..\obj\lib\system_stm32f0xx.o
+ .debug_loc 0x00002535 0x59 ..\obj\timer.o
+
+.debug_aranges 0x00000000 0x5a0
+ .debug_aranges
+ 0x00000000 0x60 ..\obj\boot.o
+ .debug_aranges
+ 0x00000060 0x28 ..\obj\led.o
+ .debug_aranges
+ 0x00000088 0xe0 ..\obj\lib\spl\src\stm32f0xx_can.o
+ .debug_aranges
+ 0x00000168 0x80 ..\obj\lib\spl\src\stm32f0xx_gpio.o
+ .debug_aranges
+ 0x000001e8 0x160 ..\obj\lib\spl\src\stm32f0xx_rcc.o
+ .debug_aranges
+ 0x00000348 0x1a0 ..\obj\lib\spl\src\stm32f0xx_usart.o
+ .debug_aranges
+ 0x000004e8 0x30 ..\obj\lib\system_stm32f0xx.o
+ .debug_aranges
+ 0x00000518 0x28 ..\obj\main.o
+ .debug_aranges
+ 0x00000540 0x20 ..\obj\startup_stm32f0xx.o
+ .debug_aranges
+ 0x00000560 0x40 ..\obj\timer.o
+
+.debug_ranges 0x00000000 0x4f0
+ .debug_ranges 0x00000000 0x50 ..\obj\boot.o
+ .debug_ranges 0x00000050 0x18 ..\obj\led.o
+ .debug_ranges 0x00000068 0xd0 ..\obj\lib\spl\src\stm32f0xx_can.o
+ .debug_ranges 0x00000138 0x70 ..\obj\lib\spl\src\stm32f0xx_gpio.o
+ .debug_ranges 0x000001a8 0x150 ..\obj\lib\spl\src\stm32f0xx_rcc.o
+ .debug_ranges 0x000002f8 0x190 ..\obj\lib\spl\src\stm32f0xx_usart.o
+ .debug_ranges 0x00000488 0x20 ..\obj\lib\system_stm32f0xx.o
+ .debug_ranges 0x000004a8 0x18 ..\obj\main.o
+ .debug_ranges 0x000004c0 0x30 ..\obj\timer.o
+
+.debug_macro 0x00000000 0xc79e
+ .debug_macro 0x00000000 0x1ba ..\obj\boot.o
+ .debug_macro 0x000001ba 0x832 ..\obj\boot.o
+ .debug_macro 0x000009ec 0x93 ..\obj\boot.o
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+ .debug_macro 0x00000b3a 0x22 ..\obj\boot.o
+ .debug_macro 0x00000b5c 0x87 ..\obj\boot.o
+ .debug_macro 0x00000be3 0x44 ..\obj\boot.o
+ .debug_macro 0x00000c27 0xfd ..\obj\boot.o
+ .debug_macro 0x00000d24 0x5e ..\obj\boot.o
+ .debug_macro 0x00000d82 0x1df ..\obj\boot.o
+ .debug_macro 0x00000f61 0x1f ..\obj\boot.o
+ .debug_macro 0x00000f80 0x242 ..\obj\boot.o
+ .debug_macro 0x000011c2 0x632a ..\obj\boot.o
+ .debug_macro 0x000074ec 0x2eb ..\obj\boot.o
+ .debug_macro 0x000077d7 0x3cf ..\obj\boot.o
+ .debug_macro 0x00007ba6 0x191 ..\obj\boot.o
+ .debug_macro 0x00007d37 0xef ..\obj\boot.o
+ .debug_macro 0x00007e26 0x46 ..\obj\boot.o
+ .debug_macro 0x00007e6c 0xd9 ..\obj\boot.o
+ .debug_macro 0x00007f45 0x184 ..\obj\boot.o
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+ .debug_macro 0x000089a0 0xd5 ..\obj\boot.o
+ .debug_macro 0x00008a75 0x2b7 ..\obj\boot.o
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+ .debug_macro 0x00009151 0x70 ..\obj\boot.o
+ .debug_macro 0x000091c1 0xdf ..\obj\boot.o
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+ .debug_macro 0x00009801 0x4c5 ..\obj\boot.o
+ .debug_macro 0x00009cc6 0x396 ..\obj\boot.o
+ .debug_macro 0x0000a05c 0x471 ..\obj\boot.o
+ .debug_macro 0x0000a4cd 0x750 ..\obj\boot.o
+ .debug_macro 0x0000ac1d 0x356 ..\obj\boot.o
+ .debug_macro 0x0000af73 0x34 ..\obj\boot.o
+ .debug_macro 0x0000afa7 0x3a ..\obj\boot.o
+ .debug_macro 0x0000afe1 0x1c0 ..\obj\led.o
+ .debug_macro 0x0000b1a1 0x1e7 ..\obj\lib\spl\src\stm32f0xx_can.o
+ .debug_macro 0x0000b388 0x193 ..\obj\lib\spl\src\stm32f0xx_gpio.o
+ .debug_macro 0x0000b51b 0x17f ..\obj\lib\spl\src\stm32f0xx_gpio.o
+ .debug_macro 0x0000b69a 0x1b1 ..\obj\lib\spl\src\stm32f0xx_rcc.o
+ .debug_macro 0x0000b84b 0x55b ..\obj\lib\spl\src\stm32f0xx_rcc.o
+ .debug_macro 0x0000bda6 0x1ab ..\obj\lib\spl\src\stm32f0xx_usart.o
+ .debug_macro 0x0000bf51 0x350 ..\obj\lib\spl\src\stm32f0xx_usart.o
+ .debug_macro 0x0000c2a1 0x189 ..\obj\lib\system_stm32f0xx.o
+ .debug_macro 0x0000c42a 0x1ba ..\obj\main.o
+ .debug_macro 0x0000c5e4 0x1ba ..\obj\timer.o
+
+.debug_line 0x00000000 0x362f
+ .debug_line 0x00000000 0x591 ..\obj\boot.o
+ .debug_line 0x00000591 0x4a2 ..\obj\led.o
+ .debug_line 0x00000a33 0x7a8 ..\obj\lib\spl\src\stm32f0xx_can.o
+ .debug_line 0x000011db 0x567 ..\obj\lib\spl\src\stm32f0xx_gpio.o
+ .debug_line 0x00001742 0x7e3 ..\obj\lib\spl\src\stm32f0xx_rcc.o
+ .debug_line 0x00001f25 0x84e ..\obj\lib\spl\src\stm32f0xx_usart.o
+ .debug_line 0x00002773 0x49c ..\obj\lib\system_stm32f0xx.o
+ .debug_line 0x00002c0f 0x4a0 ..\obj\main.o
+ .debug_line 0x000030af 0x9f ..\obj\startup_stm32f0xx.o
+ .debug_line 0x0000314e 0x4e1 ..\obj\timer.o
+
+.debug_str 0x00000000 0x4bf36
+ .debug_str 0x00000000 0x4a9a1 ..\obj\boot.o
+ 0x4ab5f (size before relaxing)
+ .debug_str 0x0004a9a1 0x8a ..\obj\led.o
+ 0x4a5aa (size before relaxing)
+ .debug_str 0x0004aa2b 0x4ae ..\obj\lib\spl\src\stm32f0xx_can.o
+ 0x4a847 (size before relaxing)
+ .debug_str 0x0004aed9 0x148 ..\obj\lib\spl\src\stm32f0xx_gpio.o
+ 0x4a3c5 (size before relaxing)
+ .debug_str 0x0004b021 0x543 ..\obj\lib\spl\src\stm32f0xx_rcc.o
+ 0x4a780 (size before relaxing)
+ .debug_str 0x0004b564 0x72d ..\obj\lib\spl\src\stm32f0xx_usart.o
+ 0x4aa17 (size before relaxing)
+ .debug_str 0x0004bc91 0x7b ..\obj\lib\system_stm32f0xx.o
+ 0x4a17f (size before relaxing)
+ .debug_str 0x0004bd0c 0x19 ..\obj\main.o
+ 0x4a375 (size before relaxing)
+ .debug_str 0x0004bd25 0x211 ..\obj\timer.o
+ 0x4a653 (size before relaxing)
+
+.debug_frame 0x00000000 0xc2c
+ .debug_frame 0x00000000 0x100 ..\obj\boot.o
+ .debug_frame 0x00000100 0x44 ..\obj\led.o
+ .debug_frame 0x00000144 0x1f4 ..\obj\lib\spl\src\stm32f0xx_can.o
+ .debug_frame 0x00000338 0x104 ..\obj\lib\spl\src\stm32f0xx_gpio.o
+ .debug_frame 0x0000043c 0x2c8 ..\obj\lib\spl\src\stm32f0xx_rcc.o
+ .debug_frame 0x00000704 0x354 ..\obj\lib\spl\src\stm32f0xx_usart.o
+ .debug_frame 0x00000a58 0x50 ..\obj\lib\system_stm32f0xx.o
+ .debug_frame 0x00000aa8 0x40 ..\obj\main.o
+ .debug_frame 0x00000ae8 0x68 ..\obj\timer.o
+ .debug_frame 0x00000b50 0x20 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/armv6-m\libgcc.a(_udivsi3.o)
+ .debug_frame 0x00000b70 0x28 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m\libg_n.a(lib_a-exit.o)
+ .debug_frame 0x00000b98 0x2c c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m\libg_n.a(lib_a-init.o)
+ .debug_frame 0x00000bc4 0x28 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m\libg_n.a(lib_a-memcpy-stub.o)
+ .debug_frame 0x00000bec 0x20 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m\libg_n.a(lib_a-memset.o)
+ .debug_frame 0x00000c0c 0x20 c:/program files (x86)/embitz/1.00/share/em_armgcc/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv6-m\libnosys_s.a(_exit.o)
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/bin/demoprog_stm32f091.srec b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/bin/demoprog_stm32f091.srec
new file mode 100644
index 00000000..8adc26ac
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/bin/demoprog_stm32f091.srec
@@ -0,0 +1,266 @@
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diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/boot.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/boot.c
new file mode 100644
index 00000000..c04a1d86
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/boot.c
@@ -0,0 +1,397 @@
+/************************************************************************************//**
+* \file Demo\ARMCM0_STM32F0_Nucleo_F091RC_GCC\Prog\boot.c
+* \brief Demo program bootloader interface source file.
+* \ingroup Prog_ARMCM0_STM32F0_Nucleo_F091RC_GCC
+* \internal
+*----------------------------------------------------------------------------------------
+* C O P Y R I G H T
+*----------------------------------------------------------------------------------------
+* Copyright (c) 2016 by Feaser http://www.feaser.com All rights reserved
+*
+*----------------------------------------------------------------------------------------
+* L I C E N S E
+*----------------------------------------------------------------------------------------
+* This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
+* modify it under the terms of the GNU General Public License as published by the Free
+* Software Foundation, either version 3 of the License, or (at your option) any later
+* version.
+*
+* OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+* PURPOSE. See the GNU General Public License for more details.
+*
+* You have received a copy of the GNU General Public License along with OpenBLT. It
+* should be located in ".\Doc\license.html". If not, contact Feaser to obtain a copy.
+*
+* \endinternal
+****************************************************************************************/
+
+/****************************************************************************************
+* Include files
+****************************************************************************************/
+#include "header.h" /* generic header */
+
+
+/****************************************************************************************
+* Function prototypes
+****************************************************************************************/
+#if (BOOT_COM_UART_ENABLE > 0)
+static void BootComUartInit(void);
+static void BootComUartCheckActivationRequest(void);
+#endif
+#if (BOOT_COM_CAN_ENABLE > 0)
+static void BootComCanInit(void);
+static void BootComCanCheckActivationRequest(void);
+#endif
+
+/************************************************************************************//**
+** \brief Initializes the communication interface.
+** \return none.
+**
+****************************************************************************************/
+void BootComInit(void)
+{
+#if (BOOT_COM_UART_ENABLE > 0)
+ BootComUartInit();
+#endif
+#if (BOOT_COM_CAN_ENABLE > 0)
+ BootComCanInit();
+#endif
+} /*** end of BootComInit ***/
+
+
+/************************************************************************************//**
+** \brief Receives the CONNECT request from the host, which indicates that the
+** bootloader should be activated and, if so, activates it.
+** \return none.
+**
+****************************************************************************************/
+void BootComCheckActivationRequest(void)
+{
+#if (BOOT_COM_UART_ENABLE > 0)
+ BootComUartCheckActivationRequest();
+#endif
+#if (BOOT_COM_CAN_ENABLE > 0)
+ BootComCanCheckActivationRequest();
+#endif
+} /*** end of BootComCheckActivationRequest ***/
+
+
+/************************************************************************************//**
+** \brief Bootloader activation function.
+** \return none.
+**
+****************************************************************************************/
+void BootActivate(void)
+{
+ /* perform software reset to activate the bootoader again */
+ NVIC_SystemReset();
+} /*** end of BootActivate ***/
+
+
+#if (BOOT_COM_UART_ENABLE > 0)
+/****************************************************************************************
+* U N I V E R S A L A S Y N C H R O N O U S R X T X I N T E R F A C E
+****************************************************************************************/
+
+/****************************************************************************************
+* Function prototypes
+****************************************************************************************/
+static unsigned char UartReceiveByte(unsigned char *data);
+
+
+/************************************************************************************//**
+** \brief Initializes the UART communication interface.
+** \return none.
+**
+****************************************************************************************/
+static void BootComUartInit(void)
+{
+ GPIO_InitTypeDef GPIO_InitStructure;
+ USART_InitTypeDef USART_InitStructure;
+
+ /* enable UART peripheral clock */
+ RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2,ENABLE);
+ /* enable GPIO peripheral clock for transmitter and receiver pins */
+ RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);
+ /* configure alternate function for the USART2 Tx/Rx pins */
+ GPIO_PinAFConfig(GPIOA, GPIO_PinSource2, GPIO_AF_1);
+ GPIO_PinAFConfig(GPIOA, GPIO_PinSource3, GPIO_AF_1);
+ /* Configure USART2 pins: Rx (PA2) and Tx (PA3) */
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2 | GPIO_Pin_3;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
+ GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
+ GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
+ GPIO_Init(GPIOA, &GPIO_InitStructure);
+ /* configure UART communication parameters */
+ USART_InitStructure.USART_BaudRate = BOOT_COM_UART_BAUDRATE;
+ USART_InitStructure.USART_WordLength = USART_WordLength_8b;
+ USART_InitStructure.USART_StopBits = USART_StopBits_1;
+ USART_InitStructure.USART_Parity = USART_Parity_No;
+ USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
+ USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
+ USART_Init(USART2, &USART_InitStructure);
+ /* enable UART */
+ USART_Cmd(USART2, ENABLE);
+} /*** end of BootComUartInit ***/
+
+
+/************************************************************************************//**
+** \brief Receives the CONNECT request from the host, which indicates that the
+** bootloader should be activated and, if so, activates it.
+** \return none.
+**
+****************************************************************************************/
+static void BootComUartCheckActivationRequest(void)
+{
+ static unsigned char xcpCtoReqPacket[BOOT_COM_UART_RX_MAX_DATA+1];
+ static unsigned char xcpCtoRxLength;
+ static unsigned char xcpCtoRxInProgress = 0;
+
+ /* start of cto packet received? */
+ if (xcpCtoRxInProgress == 0)
+ {
+ /* store the message length when received */
+ if (UartReceiveByte(&xcpCtoReqPacket[0]) == 1)
+ {
+ /* indicate that a cto packet is being received */
+ xcpCtoRxInProgress = 1;
+
+ /* reset packet data count */
+ xcpCtoRxLength = 0;
+ }
+ }
+ else
+ {
+ /* store the next packet byte */
+ if (UartReceiveByte(&xcpCtoReqPacket[xcpCtoRxLength+1]) == 1)
+ {
+ /* increment the packet data count */
+ xcpCtoRxLength++;
+
+ /* check to see if the entire packet was received */
+ if (xcpCtoRxLength == xcpCtoReqPacket[0])
+ {
+ /* done with cto packet reception */
+ xcpCtoRxInProgress = 0;
+
+ /* check if this was an XCP CONNECT command */
+ if ((xcpCtoReqPacket[1] == 0xff) && (xcpCtoReqPacket[2] == 0x00))
+ {
+ /* connection request received so start the bootloader */
+ BootActivate();
+ }
+ }
+ }
+ }
+} /*** end of BootComUartCheckActivationRequest ***/
+
+
+/************************************************************************************//**
+** \brief Receives a communication interface byte if one is present.
+** \param data Pointer to byte where the data is to be stored.
+** \return 1 if a byte was received, 0 otherwise.
+**
+****************************************************************************************/
+static unsigned char UartReceiveByte(unsigned char *data)
+{
+ /* check flag to see if a byte was received */
+ if (USART_GetFlagStatus(USART2, USART_FLAG_RXNE) == SET)
+ {
+ /* retrieve and store the newly received byte */
+ *data = (unsigned char)USART_ReceiveData(USART2);
+ /* all done */
+ return 1;
+ }
+ /* still here to no new byte received */
+ return 0;
+} /*** end of UartReceiveByte ***/
+#endif /* BOOT_COM_UART_ENABLE > 0 */
+
+
+#if (BOOT_COM_CAN_ENABLE > 0)
+/****************************************************************************************
+* C O N T R O L L E R A R E A N E T W O R K I N T E R F A C E
+****************************************************************************************/
+
+/****************************************************************************************
+* Type definitions
+****************************************************************************************/
+/** \brief Structure type for grouping CAN bus timing related information. */
+typedef struct t_can_bus_timing
+{
+ unsigned char tseg1; /**< CAN time segment 1 */
+ unsigned char tseg2; /**< CAN time segment 2 */
+} tCanBusTiming;
+
+
+/****************************************************************************************
+* Local constant declarations
+****************************************************************************************/
+/** \brief CAN bittiming table for dynamically calculating the bittiming settings.
+ * \details According to the CAN protocol 1 bit-time can be made up of between 8..25
+ * time quanta (TQ). The total TQ in a bit is SYNC + TSEG1 + TSEG2 with SYNC
+ * always being 1. The sample point is (SYNC + TSEG1) / (SYNC + TSEG1 + SEG2) *
+ * 100%. This array contains possible and valid time quanta configurations with
+ * a sample point between 68..78%.
+ */
+static const tCanBusTiming canTiming[] =
+{ /* TQ | TSEG1 | TSEG2 | SP */
+ /* ------------------------- */
+ { 5, 2 }, /* 8 | 5 | 2 | 75% */
+ { 6, 2 }, /* 9 | 6 | 2 | 78% */
+ { 6, 3 }, /* 10 | 6 | 3 | 70% */
+ { 7, 3 }, /* 11 | 7 | 3 | 73% */
+ { 8, 3 }, /* 12 | 8 | 3 | 75% */
+ { 9, 3 }, /* 13 | 9 | 3 | 77% */
+ { 9, 4 }, /* 14 | 9 | 4 | 71% */
+ { 10, 4 }, /* 15 | 10 | 4 | 73% */
+ { 11, 4 }, /* 16 | 11 | 4 | 75% */
+ { 12, 4 }, /* 17 | 12 | 4 | 76% */
+ { 12, 5 }, /* 18 | 12 | 5 | 72% */
+ { 13, 5 }, /* 19 | 13 | 5 | 74% */
+ { 14, 5 }, /* 20 | 14 | 5 | 75% */
+ { 15, 5 }, /* 21 | 15 | 5 | 76% */
+ { 15, 6 }, /* 22 | 15 | 6 | 73% */
+ { 16, 6 }, /* 23 | 16 | 6 | 74% */
+ { 16, 7 }, /* 24 | 16 | 7 | 71% */
+ { 16, 8 } /* 25 | 16 | 8 | 68% */
+};
+
+
+/************************************************************************************//**
+** \brief Search algorithm to match the desired baudrate to a possible bus
+** timing configuration.
+** \param baud The desired baudrate in bps. Valid values are 10..1000kpbs.
+** \param prescaler Pointer to where the value for the prescaler will be stored.
+** \param bitTiming Pointer to where the values for TSEG1 and TSEG2 will be stored.
+** \return 1 if the CAN bustiming register values were found, 0 otherwise.
+**
+****************************************************************************************/
+static unsigned char CanGetSpeedConfig(unsigned long baud, unsigned short *prescaler,
+ tCanBusTiming *bitTiming)
+{
+ unsigned char cnt;
+ unsigned long canClockFreqHz;
+ RCC_ClocksTypeDef rccClocks;
+
+ /* get the speed of the CAN peripheral clock (fAPB) */
+ RCC_GetClocksFreq(&rccClocks);
+ canClockFreqHz = rccClocks.PCLK_Frequency;
+
+ /* loop through all possible time quanta configurations to find a match */
+ for (cnt=0; cnt < sizeof(canTiming)/sizeof(canTiming[0]); cnt++)
+ {
+ if ((canClockFreqHz % (baud*(canTiming[cnt].tseg1+canTiming[cnt].tseg2+1))) == 0)
+ {
+ /* compute the prescaler that goes with this TQ configuration */
+ *prescaler = canClockFreqHz/(baud*(canTiming[cnt].tseg1+canTiming[cnt].tseg2+1));
+
+ /* make sure the prescaler is valid */
+ if ((*prescaler > 0) && (*prescaler <= 1024))
+ {
+ /* store the bittiming configuration */
+ bitTiming->tseg1 = canTiming[cnt].tseg1;
+ bitTiming->tseg2 = canTiming[cnt].tseg2;
+ /* found a good bus timing configuration */
+ return 1;
+ }
+ }
+ }
+ /* could not find a good bus timing configuration */
+ return 0;
+} /*** end of CanGetSpeedConfig ***/
+
+
+/************************************************************************************//**
+** \brief Initializes the CAN communication interface.
+** \return none.
+**
+****************************************************************************************/
+static void BootComCanInit(void)
+{
+ GPIO_InitTypeDef GPIO_InitStructure;
+ CAN_InitTypeDef CAN_InitStructure;
+ CAN_FilterInitTypeDef CAN_FilterInitStructure;
+ unsigned short prescaler = 1;
+ tCanBusTiming bitTiming = { 1, 1 };
+
+ /* enable CAN1 clock */
+ RCC_APB1PeriphClockCmd(RCC_APB1Periph_CAN, ENABLE);
+ /* enable clocks for CAN1 transmitter and receiver pins */
+ RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOB, ENABLE);
+ /* select alternate function for the CAN1 pins */
+ GPIO_PinAFConfig(GPIOB, GPIO_PinSource8, GPIO_AF_4);
+ GPIO_PinAFConfig(GPIOB, GPIO_PinSource9, GPIO_AF_4);
+ /* configure CAN1 RX and TX pins */
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 | GPIO_Pin_9;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
+ GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
+ GPIO_Init(GPIOB, &GPIO_InitStructure);
+
+ /* configure bittiming */
+ CanGetSpeedConfig(BOOT_COM_CAN_BAUDRATE, &prescaler, &bitTiming);
+
+ /* CAN register init */
+ CAN_DeInit(CAN);
+ CAN_StructInit(&CAN_InitStructure);
+ /* CAN cell init */
+ CAN_InitStructure.CAN_TTCM = DISABLE;
+ CAN_InitStructure.CAN_ABOM = DISABLE;
+ CAN_InitStructure.CAN_AWUM = DISABLE;
+ CAN_InitStructure.CAN_NART = DISABLE;
+ CAN_InitStructure.CAN_RFLM = DISABLE;
+ CAN_InitStructure.CAN_TXFP = DISABLE;
+ CAN_InitStructure.CAN_Mode = CAN_Mode_Normal;
+ CAN_InitStructure.CAN_SJW = CAN_SJW_1tq;
+ CAN_InitStructure.CAN_BS1 = bitTiming.tseg1 - 1;
+ CAN_InitStructure.CAN_BS2 = bitTiming.tseg2 - 1;
+ CAN_InitStructure.CAN_Prescaler = prescaler;
+ CAN_Init(CAN, &CAN_InitStructure);
+ /* CAN filter init - receive all messages */
+ CAN_FilterInitStructure.CAN_FilterNumber = 0;
+ CAN_FilterInitStructure.CAN_FilterMode = CAN_FilterMode_IdMask;
+ CAN_FilterInitStructure.CAN_FilterScale = CAN_FilterScale_32bit;
+ CAN_FilterInitStructure.CAN_FilterIdHigh = 0x0000;
+ CAN_FilterInitStructure.CAN_FilterIdLow = 0x0000;
+ CAN_FilterInitStructure.CAN_FilterMaskIdHigh = 0x0000;
+ CAN_FilterInitStructure.CAN_FilterMaskIdLow = 0x0000;
+ CAN_FilterInitStructure.CAN_FilterFIFOAssignment = 0;
+ CAN_FilterInitStructure.CAN_FilterActivation = ENABLE;
+ CAN_FilterInit(&CAN_FilterInitStructure);
+} /*** end of BootComCanInit ***/
+
+
+/************************************************************************************//**
+** \brief Receives the CONNECT request from the host, which indicates that the
+** bootloader should be activated and, if so, activates it.
+** \return none.
+**
+****************************************************************************************/
+static void BootComCanCheckActivationRequest(void)
+{
+ CanRxMsg RxMessage;
+
+ /* check if a new message was received */
+ if (CAN_MessagePending(CAN, CAN_FIFO0) > 0)
+ {
+ /* receive the message */
+ CAN_Receive(CAN, CAN_FIFO0, &RxMessage);
+ if (RxMessage.StdId == BOOT_COM_CAN_RX_MSG_ID)
+ {
+ /* check if this was an XCP CONNECT command */
+ if ((RxMessage.Data[0] == 0xff) && (RxMessage.Data[1] == 0x00))
+ {
+ /* connection request received so start the bootloader */
+ BootActivate();
+ }
+ }
+ }
+} /*** end of BootComCanCheckActivationRequest ***/
+#endif /* BOOT_COM_CAN_ENABLE > 0 */
+
+
+/*********************************** end of boot.c *************************************/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/boot.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/boot.h
new file mode 100644
index 00000000..0da7ab29
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/boot.h
@@ -0,0 +1,40 @@
+/************************************************************************************//**
+* \file Demo\ARMCM0_STM32F0_Nucleo_F091RC_GCC\Prog\boot.h
+* \brief Demo program bootloader interface header file.
+* \ingroup Prog_ARMCM0_STM32F0_Nucleo_F091RC_GCC
+* \internal
+*----------------------------------------------------------------------------------------
+* C O P Y R I G H T
+*----------------------------------------------------------------------------------------
+* Copyright (c) 2016 by Feaser http://www.feaser.com All rights reserved
+*
+*----------------------------------------------------------------------------------------
+* L I C E N S E
+*----------------------------------------------------------------------------------------
+* This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
+* modify it under the terms of the GNU General Public License as published by the Free
+* Software Foundation, either version 3 of the License, or (at your option) any later
+* version.
+*
+* OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+* PURPOSE. See the GNU General Public License for more details.
+*
+* You have received a copy of the GNU General Public License along with OpenBLT. It
+* should be located in ".\Doc\license.html". If not, contact Feaser to obtain a copy.
+*
+* \endinternal
+****************************************************************************************/
+#ifndef BOOT_H
+#define BOOT_H
+
+/****************************************************************************************
+* Function prototypes
+****************************************************************************************/
+void BootComInit(void);
+void BootComCheckActivationRequest(void);
+void BootActivate(void);
+
+
+#endif /* BOOT_H */
+/*********************************** end of boot.h *************************************/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/cfg/STM32F091x.svd b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/cfg/STM32F091x.svd
new file mode 100644
index 00000000..2b84ea3d
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/cfg/STM32F091x.svd
@@ -0,0 +1,31643 @@
+
+
+
+
\ No newline at end of file
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_adc.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_adc.h
new file mode 100644
index 00000000..900803a5
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_adc.h
@@ -0,0 +1,450 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_adc.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the ADC firmware
+ * library
+ ******************************************************************************
+ * @attention
+ *
+ *
+
+
+
+
+
+
+
|
+
© COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_ADC_H
+#define __STM32F0XX_ADC_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup ADC
+ * @{
+ */
+
+/* Exported types ------------------------------------------------------------*/
+
+/**
+ * @brief ADC Init structure definition
+ */
+
+typedef struct
+{
+ uint32_t ADC_Resolution; /*!< Selects the resolution of the conversion.
+ This parameter can be a value of @ref ADC_Resolution */
+
+ FunctionalState ADC_ContinuousConvMode; /*!< Specifies whether the conversion is performed in
+ Continuous or Single mode.
+ This parameter can be set to ENABLE or DISABLE. */
+
+ uint32_t ADC_ExternalTrigConvEdge; /*!< Selects the external trigger Edge and enables the
+ trigger of a regular group. This parameter can be a value
+ of @ref ADC_external_trigger_edge_conversion */
+
+ uint32_t ADC_ExternalTrigConv; /*!< Defines the external trigger used to start the analog
+ to digital conversion of regular channels. This parameter
+ can be a value of @ref ADC_external_trigger_sources_for_channels_conversion */
+
+ uint32_t ADC_DataAlign; /*!< Specifies whether the ADC data alignment is left or right.
+ This parameter can be a value of @ref ADC_data_align */
+
+ uint32_t ADC_ScanDirection; /*!< Specifies in which direction the channels will be scanned
+ in the sequence.
+ This parameter can be a value of @ref ADC_Scan_Direction */
+}ADC_InitTypeDef;
+
+
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup ADC_Exported_Constants
+ * @{
+ */
+#define IS_ADC_ALL_PERIPH(PERIPH) ((PERIPH) == ADC1)
+
+/** @defgroup ADC_JitterOff
+ * @{
+ */
+/* These defines are obsolete and maintained for legacy purpose only. They are replaced by the ADC_ClockMode */
+#define ADC_JitterOff_PCLKDiv2 ADC_CFGR2_JITOFFDIV2
+#define ADC_JitterOff_PCLKDiv4 ADC_CFGR2_JITOFFDIV4
+
+#define IS_ADC_JITTEROFF(JITTEROFF) (((JITTEROFF) & 0x3FFFFFFF) == (uint32_t)RESET)
+
+/**
+ * @}
+ */
+
+/** @defgroup ADC_ClockMode
+ * @{
+ */
+#define ADC_ClockMode_AsynClk ((uint32_t)0x00000000) /*!< ADC Asynchronous clock mode */
+#define ADC_ClockMode_SynClkDiv2 ADC_CFGR2_CKMODE_0 /*!< Synchronous clock mode divided by 2 */
+#define ADC_ClockMode_SynClkDiv4 ADC_CFGR2_CKMODE_1 /*!< Synchronous clock mode divided by 4 */
+#define IS_ADC_CLOCKMODE(CLOCK) (((CLOCK) == ADC_ClockMode_AsynClk) ||\
+ ((CLOCK) == ADC_ClockMode_SynClkDiv2) ||\
+ ((CLOCK) == ADC_ClockMode_SynClkDiv4))
+
+/**
+ * @}
+ */
+
+/** @defgroup ADC_Resolution
+ * @{
+ */
+#define ADC_Resolution_12b ((uint32_t)0x00000000)
+#define ADC_Resolution_10b ADC_CFGR1_RES_0
+#define ADC_Resolution_8b ADC_CFGR1_RES_1
+#define ADC_Resolution_6b ADC_CFGR1_RES
+
+#define IS_ADC_RESOLUTION(RESOLUTION) (((RESOLUTION) == ADC_Resolution_12b) || \
+ ((RESOLUTION) == ADC_Resolution_10b) || \
+ ((RESOLUTION) == ADC_Resolution_8b) || \
+ ((RESOLUTION) == ADC_Resolution_6b))
+
+/**
+ * @}
+ */
+
+/** @defgroup ADC_external_trigger_edge_conversion
+ * @{
+ */
+#define ADC_ExternalTrigConvEdge_None ((uint32_t)0x00000000)
+#define ADC_ExternalTrigConvEdge_Rising ADC_CFGR1_EXTEN_0
+#define ADC_ExternalTrigConvEdge_Falling ADC_CFGR1_EXTEN_1
+#define ADC_ExternalTrigConvEdge_RisingFalling ADC_CFGR1_EXTEN
+
+#define IS_ADC_EXT_TRIG_EDGE(EDGE) (((EDGE) == ADC_ExternalTrigConvEdge_None) || \
+ ((EDGE) == ADC_ExternalTrigConvEdge_Rising) || \
+ ((EDGE) == ADC_ExternalTrigConvEdge_Falling) || \
+ ((EDGE) == ADC_ExternalTrigConvEdge_RisingFalling))
+/**
+ * @}
+ */
+
+/** @defgroup ADC_external_trigger_sources_for_channels_conversion
+ * @{
+ */
+
+/* TIM1 */
+#define ADC_ExternalTrigConv_T1_TRGO ((uint32_t)0x00000000)
+#define ADC_ExternalTrigConv_T1_CC4 ADC_CFGR1_EXTSEL_0
+
+/* TIM2 */
+#define ADC_ExternalTrigConv_T2_TRGO ADC_CFGR1_EXTSEL_1
+
+/* TIM3 */
+#define ADC_ExternalTrigConv_T3_TRGO ((uint32_t)(ADC_CFGR1_EXTSEL_0 | ADC_CFGR1_EXTSEL_1))
+
+/* TIM15 */
+#define ADC_ExternalTrigConv_T15_TRGO ADC_CFGR1_EXTSEL_2
+
+#define IS_ADC_EXTERNAL_TRIG_CONV(CONV) (((CONV) == ADC_ExternalTrigConv_T1_TRGO) || \
+ ((CONV) == ADC_ExternalTrigConv_T1_CC4) || \
+ ((CONV) == ADC_ExternalTrigConv_T2_TRGO) || \
+ ((CONV) == ADC_ExternalTrigConv_T3_TRGO) || \
+ ((CONV) == ADC_ExternalTrigConv_T15_TRGO))
+/**
+ * @}
+ */
+
+/** @defgroup ADC_data_align
+ * @{
+ */
+
+#define ADC_DataAlign_Right ((uint32_t)0x00000000)
+#define ADC_DataAlign_Left ADC_CFGR1_ALIGN
+
+#define IS_ADC_DATA_ALIGN(ALIGN) (((ALIGN) == ADC_DataAlign_Right) || \
+ ((ALIGN) == ADC_DataAlign_Left))
+/**
+ * @}
+ */
+
+/** @defgroup ADC_Scan_Direction
+ * @{
+ */
+
+#define ADC_ScanDirection_Upward ((uint32_t)0x00000000)
+#define ADC_ScanDirection_Backward ADC_CFGR1_SCANDIR
+
+#define IS_ADC_SCAN_DIRECTION(DIRECTION) (((DIRECTION) == ADC_ScanDirection_Upward) || \
+ ((DIRECTION) == ADC_ScanDirection_Backward))
+/**
+ * @}
+ */
+
+/** @defgroup ADC_DMA_Mode
+ * @{
+ */
+
+#define ADC_DMAMode_OneShot ((uint32_t)0x00000000)
+#define ADC_DMAMode_Circular ADC_CFGR1_DMACFG
+
+#define IS_ADC_DMA_MODE(MODE) (((MODE) == ADC_DMAMode_OneShot) || \
+ ((MODE) == ADC_DMAMode_Circular))
+/**
+ * @}
+ */
+
+/** @defgroup ADC_analog_watchdog_selection
+ * @{
+ */
+
+#define ADC_AnalogWatchdog_Channel_0 ((uint32_t)0x00000000)
+#define ADC_AnalogWatchdog_Channel_1 ((uint32_t)0x04000000)
+#define ADC_AnalogWatchdog_Channel_2 ((uint32_t)0x08000000)
+#define ADC_AnalogWatchdog_Channel_3 ((uint32_t)0x0C000000)
+#define ADC_AnalogWatchdog_Channel_4 ((uint32_t)0x10000000)
+#define ADC_AnalogWatchdog_Channel_5 ((uint32_t)0x14000000)
+#define ADC_AnalogWatchdog_Channel_6 ((uint32_t)0x18000000)
+#define ADC_AnalogWatchdog_Channel_7 ((uint32_t)0x1C000000)
+#define ADC_AnalogWatchdog_Channel_8 ((uint32_t)0x20000000)
+#define ADC_AnalogWatchdog_Channel_9 ((uint32_t)0x24000000)
+#define ADC_AnalogWatchdog_Channel_10 ((uint32_t)0x28000000) /*!< Not available for STM32F031 devices */
+#define ADC_AnalogWatchdog_Channel_11 ((uint32_t)0x2C000000) /*!< Not available for STM32F031 devices */
+#define ADC_AnalogWatchdog_Channel_12 ((uint32_t)0x30000000) /*!< Not available for STM32F031 devices */
+#define ADC_AnalogWatchdog_Channel_13 ((uint32_t)0x34000000) /*!< Not available for STM32F031 devices */
+#define ADC_AnalogWatchdog_Channel_14 ((uint32_t)0x38000000) /*!< Not available for STM32F031 devices */
+#define ADC_AnalogWatchdog_Channel_15 ((uint32_t)0x3C000000) /*!< Not available for STM32F031 devices */
+#define ADC_AnalogWatchdog_Channel_16 ((uint32_t)0x40000000)
+#define ADC_AnalogWatchdog_Channel_17 ((uint32_t)0x44000000)
+#define ADC_AnalogWatchdog_Channel_18 ((uint32_t)0x48000000)
+
+
+#define IS_ADC_ANALOG_WATCHDOG_CHANNEL(CHANNEL) (((CHANNEL) == ADC_AnalogWatchdog_Channel_0) || \
+ ((CHANNEL) == ADC_AnalogWatchdog_Channel_1) || \
+ ((CHANNEL) == ADC_AnalogWatchdog_Channel_2) || \
+ ((CHANNEL) == ADC_AnalogWatchdog_Channel_3) || \
+ ((CHANNEL) == ADC_AnalogWatchdog_Channel_4) || \
+ ((CHANNEL) == ADC_AnalogWatchdog_Channel_5) || \
+ ((CHANNEL) == ADC_AnalogWatchdog_Channel_6) || \
+ ((CHANNEL) == ADC_AnalogWatchdog_Channel_7) || \
+ ((CHANNEL) == ADC_AnalogWatchdog_Channel_8) || \
+ ((CHANNEL) == ADC_AnalogWatchdog_Channel_9) || \
+ ((CHANNEL) == ADC_AnalogWatchdog_Channel_10) || \
+ ((CHANNEL) == ADC_AnalogWatchdog_Channel_11) || \
+ ((CHANNEL) == ADC_AnalogWatchdog_Channel_12) || \
+ ((CHANNEL) == ADC_AnalogWatchdog_Channel_13) || \
+ ((CHANNEL) == ADC_AnalogWatchdog_Channel_14) || \
+ ((CHANNEL) == ADC_AnalogWatchdog_Channel_15) || \
+ ((CHANNEL) == ADC_AnalogWatchdog_Channel_16) || \
+ ((CHANNEL) == ADC_AnalogWatchdog_Channel_17) || \
+ ((CHANNEL) == ADC_AnalogWatchdog_Channel_18))
+/**
+ * @}
+ */
+
+/** @defgroup ADC_sampling_times
+ * @{
+ */
+
+#define ADC_SampleTime_1_5Cycles ((uint32_t)0x00000000)
+#define ADC_SampleTime_7_5Cycles ((uint32_t)0x00000001)
+#define ADC_SampleTime_13_5Cycles ((uint32_t)0x00000002)
+#define ADC_SampleTime_28_5Cycles ((uint32_t)0x00000003)
+#define ADC_SampleTime_41_5Cycles ((uint32_t)0x00000004)
+#define ADC_SampleTime_55_5Cycles ((uint32_t)0x00000005)
+#define ADC_SampleTime_71_5Cycles ((uint32_t)0x00000006)
+#define ADC_SampleTime_239_5Cycles ((uint32_t)0x00000007)
+
+#define IS_ADC_SAMPLE_TIME(TIME) (((TIME) == ADC_SampleTime_1_5Cycles) || \
+ ((TIME) == ADC_SampleTime_7_5Cycles) || \
+ ((TIME) == ADC_SampleTime_13_5Cycles) || \
+ ((TIME) == ADC_SampleTime_28_5Cycles) || \
+ ((TIME) == ADC_SampleTime_41_5Cycles) || \
+ ((TIME) == ADC_SampleTime_55_5Cycles) || \
+ ((TIME) == ADC_SampleTime_71_5Cycles) || \
+ ((TIME) == ADC_SampleTime_239_5Cycles))
+/**
+ * @}
+ */
+
+/** @defgroup ADC_thresholds
+ * @{
+ */
+
+#define IS_ADC_THRESHOLD(THRESHOLD) ((THRESHOLD) <= 0xFFF)
+
+/**
+ * @}
+ */
+
+/** @defgroup ADC_channels
+ * @{
+ */
+
+#define ADC_Channel_0 ADC_CHSELR_CHSEL0
+#define ADC_Channel_1 ADC_CHSELR_CHSEL1
+#define ADC_Channel_2 ADC_CHSELR_CHSEL2
+#define ADC_Channel_3 ADC_CHSELR_CHSEL3
+#define ADC_Channel_4 ADC_CHSELR_CHSEL4
+#define ADC_Channel_5 ADC_CHSELR_CHSEL5
+#define ADC_Channel_6 ADC_CHSELR_CHSEL6
+#define ADC_Channel_7 ADC_CHSELR_CHSEL7
+#define ADC_Channel_8 ADC_CHSELR_CHSEL8
+#define ADC_Channel_9 ADC_CHSELR_CHSEL9
+#define ADC_Channel_10 ADC_CHSELR_CHSEL10 /*!< Not available for STM32F031 devices */
+#define ADC_Channel_11 ADC_CHSELR_CHSEL11 /*!< Not available for STM32F031 devices */
+#define ADC_Channel_12 ADC_CHSELR_CHSEL12 /*!< Not available for STM32F031 devices */
+#define ADC_Channel_13 ADC_CHSELR_CHSEL13 /*!< Not available for STM32F031 devices */
+#define ADC_Channel_14 ADC_CHSELR_CHSEL14 /*!< Not available for STM32F031 devices */
+#define ADC_Channel_15 ADC_CHSELR_CHSEL15 /*!< Not available for STM32F031 devices */
+#define ADC_Channel_16 ADC_CHSELR_CHSEL16
+#define ADC_Channel_17 ADC_CHSELR_CHSEL17
+#define ADC_Channel_18 ADC_CHSELR_CHSEL18 /*!< Not available for STM32F030 devices */
+
+#define ADC_Channel_TempSensor ((uint32_t)ADC_Channel_16)
+#define ADC_Channel_Vrefint ((uint32_t)ADC_Channel_17)
+#define ADC_Channel_Vbat ((uint32_t)ADC_Channel_18) /*!< Not available for STM32F030 devices */
+
+#define IS_ADC_CHANNEL(CHANNEL) (((CHANNEL) != (uint32_t)RESET) && (((CHANNEL) & 0xFFF80000) == (uint32_t)RESET))
+
+/**
+ * @}
+ */
+
+/** @defgroup ADC_interrupts_definition
+ * @{
+ */
+
+#define ADC_IT_ADRDY ADC_IER_ADRDYIE
+#define ADC_IT_EOSMP ADC_IER_EOSMPIE
+#define ADC_IT_EOC ADC_IER_EOCIE
+#define ADC_IT_EOSEQ ADC_IER_EOSEQIE
+#define ADC_IT_OVR ADC_IER_OVRIE
+#define ADC_IT_AWD ADC_IER_AWDIE
+
+#define IS_ADC_CONFIG_IT(IT) (((IT) != (uint32_t)RESET) && (((IT) & 0xFFFFFF60) == (uint32_t)RESET))
+
+#define IS_ADC_GET_IT(IT) (((IT) == ADC_IT_ADRDY) || ((IT) == ADC_IT_EOSMP) || \
+ ((IT) == ADC_IT_EOC) || ((IT) == ADC_IT_EOSEQ) || \
+ ((IT) == ADC_IT_OVR) || ((IT) == ADC_IT_AWD))
+
+#define IS_ADC_CLEAR_IT(IT) (((IT) != (uint32_t)RESET) && (((IT) & 0xFFFFFF60) == (uint32_t)RESET))
+
+/**
+ * @}
+ */
+
+/** @defgroup ADC_flags_definition
+ * @{
+ */
+
+#define ADC_FLAG_ADRDY ADC_ISR_ADRDY
+#define ADC_FLAG_EOSMP ADC_ISR_EOSMP
+#define ADC_FLAG_EOC ADC_ISR_EOC
+#define ADC_FLAG_EOSEQ ADC_ISR_EOSEQ
+#define ADC_FLAG_OVR ADC_ISR_OVR
+#define ADC_FLAG_AWD ADC_ISR_AWD
+
+#define ADC_FLAG_ADEN ((uint32_t)0x01000001)
+#define ADC_FLAG_ADDIS ((uint32_t)0x01000002)
+#define ADC_FLAG_ADSTART ((uint32_t)0x01000004)
+#define ADC_FLAG_ADSTP ((uint32_t)0x01000010)
+#define ADC_FLAG_ADCAL ((uint32_t)0x81000000)
+
+#define IS_ADC_CLEAR_FLAG(FLAG) (((FLAG) != (uint32_t)RESET) && (((FLAG) & 0xFFFFFF60) == (uint32_t)RESET))
+
+#define IS_ADC_GET_FLAG(FLAG) (((FLAG) == ADC_FLAG_ADRDY) || ((FLAG) == ADC_FLAG_EOSMP) || \
+ ((FLAG) == ADC_FLAG_EOC) || ((FLAG) == ADC_FLAG_EOSEQ) || \
+ ((FLAG) == ADC_FLAG_AWD) || ((FLAG) == ADC_FLAG_OVR) || \
+ ((FLAG) == ADC_FLAG_ADEN) || ((FLAG) == ADC_FLAG_ADDIS) || \
+ ((FLAG) == ADC_FLAG_ADSTART) || ((FLAG) == ADC_FLAG_ADSTP) || \
+ ((FLAG) == ADC_FLAG_ADCAL))
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+
+/* Function used to set the ADC configuration to the default reset state *****/
+void ADC_DeInit(ADC_TypeDef* ADCx);
+
+/* Initialization and Configuration functions *********************************/
+void ADC_Init(ADC_TypeDef* ADCx, ADC_InitTypeDef* ADC_InitStruct);
+void ADC_StructInit(ADC_InitTypeDef* ADC_InitStruct);
+void ADC_ClockModeConfig(ADC_TypeDef* ADCx, uint32_t ADC_ClockMode);
+void ADC_Cmd(ADC_TypeDef* ADCx, FunctionalState NewState);
+/* This Function is obsolete and maintained for legacy purpose only.
+ ADC_ClockModeConfig() function should be used instead */
+void ADC_JitterCmd(ADC_TypeDef* ADCx, uint32_t ADC_JitterOff, FunctionalState NewState);
+
+/* Power saving functions *****************************************************/
+void ADC_AutoPowerOffCmd(ADC_TypeDef* ADCx, FunctionalState NewState);
+void ADC_WaitModeCmd(ADC_TypeDef* ADCx, FunctionalState NewState);
+
+/* Analog Watchdog configuration functions ************************************/
+void ADC_AnalogWatchdogCmd(ADC_TypeDef* ADCx, FunctionalState NewState);
+void ADC_AnalogWatchdogThresholdsConfig(ADC_TypeDef* ADCx, uint16_t HighThreshold,uint16_t LowThreshold);
+void ADC_AnalogWatchdogSingleChannelConfig(ADC_TypeDef* ADCx, uint32_t ADC_AnalogWatchdog_Channel);
+void ADC_AnalogWatchdogSingleChannelCmd(ADC_TypeDef* ADCx, FunctionalState NewState);
+
+/* Temperature Sensor , Vrefint and Vbat management function ******************/
+void ADC_TempSensorCmd(FunctionalState NewState);
+void ADC_VrefintCmd(FunctionalState NewState);
+void ADC_VbatCmd(FunctionalState NewState); /*!< Not applicable for STM32F030 devices */
+
+/* Channels Configuration functions *******************************************/
+void ADC_ChannelConfig(ADC_TypeDef* ADCx, uint32_t ADC_Channel, uint32_t ADC_SampleTime);
+void ADC_ContinuousModeCmd(ADC_TypeDef* ADCx, FunctionalState NewState);
+void ADC_DiscModeCmd(ADC_TypeDef* ADCx, FunctionalState NewState);
+void ADC_OverrunModeCmd(ADC_TypeDef* ADCx, FunctionalState NewState);
+uint32_t ADC_GetCalibrationFactor(ADC_TypeDef* ADCx);
+void ADC_StopOfConversion(ADC_TypeDef* ADCx);
+void ADC_StartOfConversion(ADC_TypeDef* ADCx);
+uint16_t ADC_GetConversionValue(ADC_TypeDef* ADCx);
+
+/* Regular Channels DMA Configuration functions *******************************/
+void ADC_DMACmd(ADC_TypeDef* ADCx, FunctionalState NewState);
+void ADC_DMARequestModeConfig(ADC_TypeDef* ADCx, uint32_t ADC_DMARequestMode);
+
+/* Interrupts and flags management functions **********************************/
+void ADC_ITConfig(ADC_TypeDef* ADCx, uint32_t ADC_IT, FunctionalState NewState);
+FlagStatus ADC_GetFlagStatus(ADC_TypeDef* ADCx, uint32_t ADC_FLAG);
+void ADC_ClearFlag(ADC_TypeDef* ADCx, uint32_t ADC_FLAG);
+ITStatus ADC_GetITStatus(ADC_TypeDef* ADCx, uint32_t ADC_IT);
+void ADC_ClearITPendingBit(ADC_TypeDef* ADCx, uint32_t ADC_IT);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*__STM32F0XX_ADC_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_can.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_can.h
new file mode 100644
index 00000000..d8a178ea
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_can.h
@@ -0,0 +1,643 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_can.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the CAN firmware
+ * library, applicable only for STM32F072 devices.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0xx_CAN_H
+#define __STM32F0xx_CAN_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup CAN
+ * @{
+ */
+
+/* Exported types ------------------------------------------------------------*/
+
+#define IS_CAN_ALL_PERIPH(PERIPH) (((PERIPH) == CAN))
+
+/**
+ * @brief CAN init structure definition
+ */
+typedef struct
+{
+ uint16_t CAN_Prescaler; /*!< Specifies the length of a time quantum.
+ It ranges from 1 to 1024. */
+
+ uint8_t CAN_Mode; /*!< Specifies the CAN operating mode.
+ This parameter can be a value of @ref CAN_operating_mode */
+
+ uint8_t CAN_SJW; /*!< Specifies the maximum number of time quanta
+ the CAN hardware is allowed to lengthen or
+ shorten a bit to perform resynchronization.
+ This parameter can be a value of @ref CAN_synchronisation_jump_width */
+
+ uint8_t CAN_BS1; /*!< Specifies the number of time quanta in Bit
+ Segment 1. This parameter can be a value of
+ @ref CAN_time_quantum_in_bit_segment_1 */
+
+ uint8_t CAN_BS2; /*!< Specifies the number of time quanta in Bit Segment 2.
+ This parameter can be a value of @ref CAN_time_quantum_in_bit_segment_2 */
+
+ FunctionalState CAN_TTCM; /*!< Enable or disable the time triggered communication mode.
+ This parameter can be set either to ENABLE or DISABLE. */
+
+ FunctionalState CAN_ABOM; /*!< Enable or disable the automatic bus-off management.
+ This parameter can be set either to ENABLE or DISABLE. */
+
+ FunctionalState CAN_AWUM; /*!< Enable or disable the automatic wake-up mode.
+ This parameter can be set either to ENABLE or DISABLE. */
+
+ FunctionalState CAN_NART; /*!< Enable or disable the non-automatic retransmission mode.
+ This parameter can be set either to ENABLE or DISABLE. */
+
+ FunctionalState CAN_RFLM; /*!< Enable or disable the Receive FIFO Locked mode.
+ This parameter can be set either to ENABLE or DISABLE. */
+
+ FunctionalState CAN_TXFP; /*!< Enable or disable the transmit FIFO priority.
+ This parameter can be set either to ENABLE or DISABLE. */
+} CAN_InitTypeDef;
+
+/**
+ * @brief CAN filter init structure definition
+ */
+typedef struct
+{
+ uint16_t CAN_FilterIdHigh; /*!< Specifies the filter identification number (MSBs for a 32-bit
+ configuration, first one for a 16-bit configuration).
+ This parameter can be a value between 0x0000 and 0xFFFF */
+
+ uint16_t CAN_FilterIdLow; /*!< Specifies the filter identification number (LSBs for a 32-bit
+ configuration, second one for a 16-bit configuration).
+ This parameter can be a value between 0x0000 and 0xFFFF */
+
+ uint16_t CAN_FilterMaskIdHigh; /*!< Specifies the filter mask number or identification number,
+ according to the mode (MSBs for a 32-bit configuration,
+ first one for a 16-bit configuration).
+ This parameter can be a value between 0x0000 and 0xFFFF */
+
+ uint16_t CAN_FilterMaskIdLow; /*!< Specifies the filter mask number or identification number,
+ according to the mode (LSBs for a 32-bit configuration,
+ second one for a 16-bit configuration).
+ This parameter can be a value between 0x0000 and 0xFFFF */
+
+ uint16_t CAN_FilterFIFOAssignment; /*!< Specifies the FIFO (0 or 1) which will be assigned to the filter.
+ This parameter can be a value of @ref CAN_filter_FIFO */
+
+ uint8_t CAN_FilterNumber; /*!< Specifies the filter which will be initialized. It ranges from 0 to 13. */
+
+ uint8_t CAN_FilterMode; /*!< Specifies the filter mode to be initialized.
+ This parameter can be a value of @ref CAN_filter_mode */
+
+ uint8_t CAN_FilterScale; /*!< Specifies the filter scale.
+ This parameter can be a value of @ref CAN_filter_scale */
+
+ FunctionalState CAN_FilterActivation; /*!< Enable or disable the filter.
+ This parameter can be set either to ENABLE or DISABLE. */
+} CAN_FilterInitTypeDef;
+
+/**
+ * @brief CAN Tx message structure definition
+ */
+typedef struct
+{
+ uint32_t StdId; /*!< Specifies the standard identifier.
+ This parameter can be a value between 0 to 0x7FF. */
+
+ uint32_t ExtId; /*!< Specifies the extended identifier.
+ This parameter can be a value between 0 to 0x1FFFFFFF. */
+
+ uint8_t IDE; /*!< Specifies the type of identifier for the message that
+ will be transmitted. This parameter can be a value
+ of @ref CAN_identifier_type */
+
+ uint8_t RTR; /*!< Specifies the type of frame for the message that will
+ be transmitted. This parameter can be a value of
+ @ref CAN_remote_transmission_request */
+
+ uint8_t DLC; /*!< Specifies the length of the frame that will be
+ transmitted. This parameter can be a value between
+ 0 to 8 */
+
+ uint8_t Data[8]; /*!< Contains the data to be transmitted. It ranges from 0
+ to 0xFF. */
+} CanTxMsg;
+
+/**
+ * @brief CAN Rx message structure definition
+ */
+typedef struct
+{
+ uint32_t StdId; /*!< Specifies the standard identifier.
+ This parameter can be a value between 0 to 0x7FF. */
+
+ uint32_t ExtId; /*!< Specifies the extended identifier.
+ This parameter can be a value between 0 to 0x1FFFFFFF. */
+
+ uint8_t IDE; /*!< Specifies the type of identifier for the message that
+ will be received. This parameter can be a value of
+ @ref CAN_identifier_type */
+
+ uint8_t RTR; /*!< Specifies the type of frame for the received message.
+ This parameter can be a value of
+ @ref CAN_remote_transmission_request */
+
+ uint8_t DLC; /*!< Specifies the length of the frame that will be received.
+ This parameter can be a value between 0 to 8 */
+
+ uint8_t Data[8]; /*!< Contains the data to be received. It ranges from 0 to
+ 0xFF. */
+
+ uint8_t FMI; /*!< Specifies the index of the filter the message stored in
+ the mailbox passes through. This parameter can be a
+ value between 0 to 0xFF */
+} CanRxMsg;
+
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup CAN_Exported_Constants
+ * @{
+ */
+
+/** @defgroup CAN_InitStatus
+ * @{
+ */
+
+#define CAN_InitStatus_Failed ((uint8_t)0x00) /*!< CAN initialization failed */
+#define CAN_InitStatus_Success ((uint8_t)0x01) /*!< CAN initialization OK */
+
+
+/* Legacy defines */
+#define CANINITFAILED CAN_InitStatus_Failed
+#define CANINITOK CAN_InitStatus_Success
+/**
+ * @}
+ */
+
+/** @defgroup CAN_operating_mode
+ * @{
+ */
+
+#define CAN_Mode_Normal ((uint8_t)0x00) /*!< normal mode */
+#define CAN_Mode_LoopBack ((uint8_t)0x01) /*!< loopback mode */
+#define CAN_Mode_Silent ((uint8_t)0x02) /*!< silent mode */
+#define CAN_Mode_Silent_LoopBack ((uint8_t)0x03) /*!< loopback combined with silent mode */
+
+#define IS_CAN_MODE(MODE) (((MODE) == CAN_Mode_Normal) || \
+ ((MODE) == CAN_Mode_LoopBack)|| \
+ ((MODE) == CAN_Mode_Silent) || \
+ ((MODE) == CAN_Mode_Silent_LoopBack))
+/**
+ * @}
+ */
+
+
+ /**
+ * @defgroup CAN_operating_mode
+ * @{
+ */
+#define CAN_OperatingMode_Initialization ((uint8_t)0x00) /*!< Initialization mode */
+#define CAN_OperatingMode_Normal ((uint8_t)0x01) /*!< Normal mode */
+#define CAN_OperatingMode_Sleep ((uint8_t)0x02) /*!< sleep mode */
+
+
+#define IS_CAN_OPERATING_MODE(MODE) (((MODE) == CAN_OperatingMode_Initialization) ||\
+ ((MODE) == CAN_OperatingMode_Normal)|| \
+ ((MODE) == CAN_OperatingMode_Sleep))
+/**
+ * @}
+ */
+
+/**
+ * @defgroup CAN_operating_mode_status
+ * @{
+ */
+
+#define CAN_ModeStatus_Failed ((uint8_t)0x00) /*!< CAN entering the specific mode failed */
+#define CAN_ModeStatus_Success ((uint8_t)!CAN_ModeStatus_Failed) /*!< CAN entering the specific mode Succeed */
+/**
+ * @}
+ */
+
+/** @defgroup CAN_synchronisation_jump_width
+ * @{
+ */
+#define CAN_SJW_1tq ((uint8_t)0x00) /*!< 1 time quantum */
+#define CAN_SJW_2tq ((uint8_t)0x01) /*!< 2 time quantum */
+#define CAN_SJW_3tq ((uint8_t)0x02) /*!< 3 time quantum */
+#define CAN_SJW_4tq ((uint8_t)0x03) /*!< 4 time quantum */
+
+#define IS_CAN_SJW(SJW) (((SJW) == CAN_SJW_1tq) || ((SJW) == CAN_SJW_2tq)|| \
+ ((SJW) == CAN_SJW_3tq) || ((SJW) == CAN_SJW_4tq))
+/**
+ * @}
+ */
+
+/** @defgroup CAN_time_quantum_in_bit_segment_1
+ * @{
+ */
+#define CAN_BS1_1tq ((uint8_t)0x00) /*!< 1 time quantum */
+#define CAN_BS1_2tq ((uint8_t)0x01) /*!< 2 time quantum */
+#define CAN_BS1_3tq ((uint8_t)0x02) /*!< 3 time quantum */
+#define CAN_BS1_4tq ((uint8_t)0x03) /*!< 4 time quantum */
+#define CAN_BS1_5tq ((uint8_t)0x04) /*!< 5 time quantum */
+#define CAN_BS1_6tq ((uint8_t)0x05) /*!< 6 time quantum */
+#define CAN_BS1_7tq ((uint8_t)0x06) /*!< 7 time quantum */
+#define CAN_BS1_8tq ((uint8_t)0x07) /*!< 8 time quantum */
+#define CAN_BS1_9tq ((uint8_t)0x08) /*!< 9 time quantum */
+#define CAN_BS1_10tq ((uint8_t)0x09) /*!< 10 time quantum */
+#define CAN_BS1_11tq ((uint8_t)0x0A) /*!< 11 time quantum */
+#define CAN_BS1_12tq ((uint8_t)0x0B) /*!< 12 time quantum */
+#define CAN_BS1_13tq ((uint8_t)0x0C) /*!< 13 time quantum */
+#define CAN_BS1_14tq ((uint8_t)0x0D) /*!< 14 time quantum */
+#define CAN_BS1_15tq ((uint8_t)0x0E) /*!< 15 time quantum */
+#define CAN_BS1_16tq ((uint8_t)0x0F) /*!< 16 time quantum */
+
+#define IS_CAN_BS1(BS1) ((BS1) <= CAN_BS1_16tq)
+/**
+ * @}
+ */
+
+/** @defgroup CAN_time_quantum_in_bit_segment_2
+ * @{
+ */
+#define CAN_BS2_1tq ((uint8_t)0x00) /*!< 1 time quantum */
+#define CAN_BS2_2tq ((uint8_t)0x01) /*!< 2 time quantum */
+#define CAN_BS2_3tq ((uint8_t)0x02) /*!< 3 time quantum */
+#define CAN_BS2_4tq ((uint8_t)0x03) /*!< 4 time quantum */
+#define CAN_BS2_5tq ((uint8_t)0x04) /*!< 5 time quantum */
+#define CAN_BS2_6tq ((uint8_t)0x05) /*!< 6 time quantum */
+#define CAN_BS2_7tq ((uint8_t)0x06) /*!< 7 time quantum */
+#define CAN_BS2_8tq ((uint8_t)0x07) /*!< 8 time quantum */
+
+#define IS_CAN_BS2(BS2) ((BS2) <= CAN_BS2_8tq)
+/**
+ * @}
+ */
+
+/** @defgroup CAN_clock_prescaler
+ * @{
+ */
+#define IS_CAN_PRESCALER(PRESCALER) (((PRESCALER) >= 1) && ((PRESCALER) <= 1024))
+/**
+ * @}
+ */
+
+/** @defgroup CAN_filter_number
+ * @{
+ */
+#define IS_CAN_FILTER_NUMBER(NUMBER) ((NUMBER) <= 27)
+/**
+ * @}
+ */
+
+/** @defgroup CAN_filter_mode
+ * @{
+ */
+#define CAN_FilterMode_IdMask ((uint8_t)0x00) /*!< identifier/mask mode */
+#define CAN_FilterMode_IdList ((uint8_t)0x01) /*!< identifier list mode */
+
+#define IS_CAN_FILTER_MODE(MODE) (((MODE) == CAN_FilterMode_IdMask) || \
+ ((MODE) == CAN_FilterMode_IdList))
+/**
+ * @}
+ */
+
+/** @defgroup CAN_filter_scale
+ * @{
+ */
+#define CAN_FilterScale_16bit ((uint8_t)0x00) /*!< Two 16-bit filters */
+#define CAN_FilterScale_32bit ((uint8_t)0x01) /*!< One 32-bit filter */
+
+#define IS_CAN_FILTER_SCALE(SCALE) (((SCALE) == CAN_FilterScale_16bit) || \
+ ((SCALE) == CAN_FilterScale_32bit))
+/**
+ * @}
+ */
+
+/** @defgroup CAN_filter_FIFO
+ * @{
+ */
+#define CAN_Filter_FIFO0 ((uint8_t)0x00) /*!< Filter FIFO 0 assignment for filter x */
+#define CAN_Filter_FIFO1 ((uint8_t)0x01) /*!< Filter FIFO 1 assignment for filter x */
+#define IS_CAN_FILTER_FIFO(FIFO) (((FIFO) == CAN_FilterFIFO0) || \
+ ((FIFO) == CAN_FilterFIFO1))
+
+/* Legacy defines */
+#define CAN_FilterFIFO0 CAN_Filter_FIFO0
+#define CAN_FilterFIFO1 CAN_Filter_FIFO1
+/**
+ * @}
+ */
+
+/** @defgroup CAN_Start_bank_filter_for_slave_CAN
+ * @{
+ */
+#define IS_CAN_BANKNUMBER(BANKNUMBER) (((BANKNUMBER) >= 1) && ((BANKNUMBER) <= 27))
+/**
+ * @}
+ */
+
+/** @defgroup CAN_Tx
+ * @{
+ */
+#define IS_CAN_TRANSMITMAILBOX(TRANSMITMAILBOX) ((TRANSMITMAILBOX) <= ((uint8_t)0x02))
+#define IS_CAN_STDID(STDID) ((STDID) <= ((uint32_t)0x7FF))
+#define IS_CAN_EXTID(EXTID) ((EXTID) <= ((uint32_t)0x1FFFFFFF))
+#define IS_CAN_DLC(DLC) ((DLC) <= ((uint8_t)0x08))
+/**
+ * @}
+ */
+
+/** @defgroup CAN_identifier_type
+ * @{
+ */
+#define CAN_Id_Standard ((uint32_t)0x00000000) /*!< Standard Id */
+#define CAN_Id_Extended ((uint32_t)0x00000004) /*!< Extended Id */
+#define IS_CAN_IDTYPE(IDTYPE) (((IDTYPE) == CAN_Id_Standard) || \
+ ((IDTYPE) == CAN_Id_Extended))
+
+/* Legacy defines */
+#define CAN_ID_STD CAN_Id_Standard
+#define CAN_ID_EXT CAN_Id_Extended
+/**
+ * @}
+ */
+
+/** @defgroup CAN_remote_transmission_request
+ * @{
+ */
+#define CAN_RTR_Data ((uint32_t)0x00000000) /*!< Data frame */
+#define CAN_RTR_Remote ((uint32_t)0x00000002) /*!< Remote frame */
+#define IS_CAN_RTR(RTR) (((RTR) == CAN_RTR_Data) || ((RTR) == CAN_RTR_Remote))
+
+/* Legacy defines */
+#define CAN_RTR_DATA CAN_RTR_Data
+#define CAN_RTR_REMOTE CAN_RTR_Remote
+/**
+ * @}
+ */
+
+/** @defgroup CAN_transmit_constants
+ * @{
+ */
+#define CAN_TxStatus_Failed ((uint8_t)0x00)/*!< CAN transmission failed */
+#define CAN_TxStatus_Ok ((uint8_t)0x01) /*!< CAN transmission succeeded */
+#define CAN_TxStatus_Pending ((uint8_t)0x02) /*!< CAN transmission pending */
+#define CAN_TxStatus_NoMailBox ((uint8_t)0x04) /*!< CAN cell did not provide
+ an empty mailbox */
+/* Legacy defines */
+#define CANTXFAILED CAN_TxStatus_Failed
+#define CANTXOK CAN_TxStatus_Ok
+#define CANTXPENDING CAN_TxStatus_Pending
+#define CAN_NO_MB CAN_TxStatus_NoMailBox
+/**
+ * @}
+ */
+
+/** @defgroup CAN_receive_FIFO_number_constants
+ * @{
+ */
+#define CAN_FIFO0 ((uint8_t)0x00) /*!< CAN FIFO 0 used to receive */
+#define CAN_FIFO1 ((uint8_t)0x01) /*!< CAN FIFO 1 used to receive */
+
+#define IS_CAN_FIFO(FIFO) (((FIFO) == CAN_FIFO0) || ((FIFO) == CAN_FIFO1))
+/**
+ * @}
+ */
+
+/** @defgroup CAN_sleep_constants
+ * @{
+ */
+#define CAN_Sleep_Failed ((uint8_t)0x00) /*!< CAN did not enter the sleep mode */
+#define CAN_Sleep_Ok ((uint8_t)0x01) /*!< CAN entered the sleep mode */
+
+/* Legacy defines */
+#define CANSLEEPFAILED CAN_Sleep_Failed
+#define CANSLEEPOK CAN_Sleep_Ok
+/**
+ * @}
+ */
+
+/** @defgroup CAN_wake_up_constants
+ * @{
+ */
+#define CAN_WakeUp_Failed ((uint8_t)0x00) /*!< CAN did not leave the sleep mode */
+#define CAN_WakeUp_Ok ((uint8_t)0x01) /*!< CAN leaved the sleep mode */
+
+/* Legacy defines */
+#define CANWAKEUPFAILED CAN_WakeUp_Failed
+#define CANWAKEUPOK CAN_WakeUp_Ok
+/**
+ * @}
+ */
+
+/**
+ * @defgroup CAN_Error_Code_constants
+ * @{
+ */
+#define CAN_ErrorCode_NoErr ((uint8_t)0x00) /*!< No Error */
+#define CAN_ErrorCode_StuffErr ((uint8_t)0x10) /*!< Stuff Error */
+#define CAN_ErrorCode_FormErr ((uint8_t)0x20) /*!< Form Error */
+#define CAN_ErrorCode_ACKErr ((uint8_t)0x30) /*!< Acknowledgment Error */
+#define CAN_ErrorCode_BitRecessiveErr ((uint8_t)0x40) /*!< Bit Recessive Error */
+#define CAN_ErrorCode_BitDominantErr ((uint8_t)0x50) /*!< Bit Dominant Error */
+#define CAN_ErrorCode_CRCErr ((uint8_t)0x60) /*!< CRC Error */
+#define CAN_ErrorCode_SoftwareSetErr ((uint8_t)0x70) /*!< Software Set Error */
+/**
+ * @}
+ */
+
+/** @defgroup CAN_flags
+ * @{
+ */
+/* If the flag is 0x3XXXXXXX, it means that it can be used with CAN_GetFlagStatus()
+ and CAN_ClearFlag() functions. */
+/* If the flag is 0x1XXXXXXX, it means that it can only be used with
+ CAN_GetFlagStatus() function. */
+
+/* Transmit Flags */
+#define CAN_FLAG_RQCP0 ((uint32_t)0x38000001) /*!< Request MailBox0 Flag */
+#define CAN_FLAG_RQCP1 ((uint32_t)0x38000100) /*!< Request MailBox1 Flag */
+#define CAN_FLAG_RQCP2 ((uint32_t)0x38010000) /*!< Request MailBox2 Flag */
+
+/* Receive Flags */
+#define CAN_FLAG_FMP0 ((uint32_t)0x12000003) /*!< FIFO 0 Message Pending Flag */
+#define CAN_FLAG_FF0 ((uint32_t)0x32000008) /*!< FIFO 0 Full Flag */
+#define CAN_FLAG_FOV0 ((uint32_t)0x32000010) /*!< FIFO 0 Overrun Flag */
+#define CAN_FLAG_FMP1 ((uint32_t)0x14000003) /*!< FIFO 1 Message Pending Flag */
+#define CAN_FLAG_FF1 ((uint32_t)0x34000008) /*!< FIFO 1 Full Flag */
+#define CAN_FLAG_FOV1 ((uint32_t)0x34000010) /*!< FIFO 1 Overrun Flag */
+
+/* Operating Mode Flags */
+#define CAN_FLAG_WKU ((uint32_t)0x31000008) /*!< Wake up Flag */
+#define CAN_FLAG_SLAK ((uint32_t)0x31000012) /*!< Sleep acknowledge Flag */
+/* @note When SLAK interrupt is disabled (SLKIE=0), no polling on SLAKI is possible.
+ In this case the SLAK bit can be polled.*/
+
+/* Error Flags */
+#define CAN_FLAG_EWG ((uint32_t)0x10F00001) /*!< Error Warning Flag */
+#define CAN_FLAG_EPV ((uint32_t)0x10F00002) /*!< Error Passive Flag */
+#define CAN_FLAG_BOF ((uint32_t)0x10F00004) /*!< Bus-Off Flag */
+#define CAN_FLAG_LEC ((uint32_t)0x30F00070) /*!< Last error code Flag */
+
+#define IS_CAN_GET_FLAG(FLAG) (((FLAG) == CAN_FLAG_LEC) || ((FLAG) == CAN_FLAG_BOF) || \
+ ((FLAG) == CAN_FLAG_EPV) || ((FLAG) == CAN_FLAG_EWG) || \
+ ((FLAG) == CAN_FLAG_WKU) || ((FLAG) == CAN_FLAG_FOV0) || \
+ ((FLAG) == CAN_FLAG_FF0) || ((FLAG) == CAN_FLAG_FMP0) || \
+ ((FLAG) == CAN_FLAG_FOV1) || ((FLAG) == CAN_FLAG_FF1) || \
+ ((FLAG) == CAN_FLAG_FMP1) || ((FLAG) == CAN_FLAG_RQCP2) || \
+ ((FLAG) == CAN_FLAG_RQCP1)|| ((FLAG) == CAN_FLAG_RQCP0) || \
+ ((FLAG) == CAN_FLAG_SLAK ))
+
+#define IS_CAN_CLEAR_FLAG(FLAG)(((FLAG) == CAN_FLAG_LEC) || ((FLAG) == CAN_FLAG_RQCP2) || \
+ ((FLAG) == CAN_FLAG_RQCP1) || ((FLAG) == CAN_FLAG_RQCP0) || \
+ ((FLAG) == CAN_FLAG_FF0) || ((FLAG) == CAN_FLAG_FOV0) ||\
+ ((FLAG) == CAN_FLAG_FF1) || ((FLAG) == CAN_FLAG_FOV1) || \
+ ((FLAG) == CAN_FLAG_WKU) || ((FLAG) == CAN_FLAG_SLAK))
+/**
+ * @}
+ */
+
+
+/** @defgroup CAN_interrupts
+ * @{
+ */
+#define CAN_IT_TME ((uint32_t)0x00000001) /*!< Transmit mailbox empty Interrupt*/
+
+/* Receive Interrupts */
+#define CAN_IT_FMP0 ((uint32_t)0x00000002) /*!< FIFO 0 message pending Interrupt*/
+#define CAN_IT_FF0 ((uint32_t)0x00000004) /*!< FIFO 0 full Interrupt*/
+#define CAN_IT_FOV0 ((uint32_t)0x00000008) /*!< FIFO 0 overrun Interrupt*/
+#define CAN_IT_FMP1 ((uint32_t)0x00000010) /*!< FIFO 1 message pending Interrupt*/
+#define CAN_IT_FF1 ((uint32_t)0x00000020) /*!< FIFO 1 full Interrupt*/
+#define CAN_IT_FOV1 ((uint32_t)0x00000040) /*!< FIFO 1 overrun Interrupt*/
+
+/* Operating Mode Interrupts */
+#define CAN_IT_WKU ((uint32_t)0x00010000) /*!< Wake-up Interrupt*/
+#define CAN_IT_SLK ((uint32_t)0x00020000) /*!< Sleep acknowledge Interrupt*/
+
+/* Error Interrupts */
+#define CAN_IT_EWG ((uint32_t)0x00000100) /*!< Error warning Interrupt*/
+#define CAN_IT_EPV ((uint32_t)0x00000200) /*!< Error passive Interrupt*/
+#define CAN_IT_BOF ((uint32_t)0x00000400) /*!< Bus-off Interrupt*/
+#define CAN_IT_LEC ((uint32_t)0x00000800) /*!< Last error code Interrupt*/
+#define CAN_IT_ERR ((uint32_t)0x00008000) /*!< Error Interrupt*/
+
+/* Flags named as Interrupts : kept only for FW compatibility */
+#define CAN_IT_RQCP0 CAN_IT_TME
+#define CAN_IT_RQCP1 CAN_IT_TME
+#define CAN_IT_RQCP2 CAN_IT_TME
+
+
+#define IS_CAN_IT(IT) (((IT) == CAN_IT_TME) || ((IT) == CAN_IT_FMP0) ||\
+ ((IT) == CAN_IT_FF0) || ((IT) == CAN_IT_FOV0) ||\
+ ((IT) == CAN_IT_FMP1) || ((IT) == CAN_IT_FF1) ||\
+ ((IT) == CAN_IT_FOV1) || ((IT) == CAN_IT_EWG) ||\
+ ((IT) == CAN_IT_EPV) || ((IT) == CAN_IT_BOF) ||\
+ ((IT) == CAN_IT_LEC) || ((IT) == CAN_IT_ERR) ||\
+ ((IT) == CAN_IT_WKU) || ((IT) == CAN_IT_SLK))
+
+#define IS_CAN_CLEAR_IT(IT) (((IT) == CAN_IT_TME) || ((IT) == CAN_IT_FF0) ||\
+ ((IT) == CAN_IT_FOV0)|| ((IT) == CAN_IT_FF1) ||\
+ ((IT) == CAN_IT_FOV1)|| ((IT) == CAN_IT_EWG) ||\
+ ((IT) == CAN_IT_EPV) || ((IT) == CAN_IT_BOF) ||\
+ ((IT) == CAN_IT_LEC) || ((IT) == CAN_IT_ERR) ||\
+ ((IT) == CAN_IT_WKU) || ((IT) == CAN_IT_SLK))
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions --------------------------------------------------------*/
+
+/* Function used to set the CAN configuration to the default reset state *****/
+void CAN_DeInit(CAN_TypeDef* CANx);
+
+/* Initialization and Configuration functions *********************************/
+uint8_t CAN_Init(CAN_TypeDef* CANx, CAN_InitTypeDef* CAN_InitStruct);
+void CAN_FilterInit(CAN_FilterInitTypeDef* CAN_FilterInitStruct);
+void CAN_StructInit(CAN_InitTypeDef* CAN_InitStruct);
+void CAN_SlaveStartBank(uint8_t CAN_BankNumber);
+void CAN_DBGFreeze(CAN_TypeDef* CANx, FunctionalState NewState);
+void CAN_TTComModeCmd(CAN_TypeDef* CANx, FunctionalState NewState);
+
+/* CAN Frames Transmission functions ******************************************/
+uint8_t CAN_Transmit(CAN_TypeDef* CANx, CanTxMsg* TxMessage);
+uint8_t CAN_TransmitStatus(CAN_TypeDef* CANx, uint8_t TransmitMailbox);
+void CAN_CancelTransmit(CAN_TypeDef* CANx, uint8_t Mailbox);
+
+/* CAN Frames Reception functions *********************************************/
+void CAN_Receive(CAN_TypeDef* CANx, uint8_t FIFONumber, CanRxMsg* RxMessage);
+void CAN_FIFORelease(CAN_TypeDef* CANx, uint8_t FIFONumber);
+uint8_t CAN_MessagePending(CAN_TypeDef* CANx, uint8_t FIFONumber);
+
+/* Operation modes functions **************************************************/
+uint8_t CAN_OperatingModeRequest(CAN_TypeDef* CANx, uint8_t CAN_OperatingMode);
+uint8_t CAN_Sleep(CAN_TypeDef* CANx);
+uint8_t CAN_WakeUp(CAN_TypeDef* CANx);
+
+/* CAN Bus Error management functions *****************************************/
+uint8_t CAN_GetLastErrorCode(CAN_TypeDef* CANx);
+uint8_t CAN_GetReceiveErrorCounter(CAN_TypeDef* CANx);
+uint8_t CAN_GetLSBTransmitErrorCounter(CAN_TypeDef* CANx);
+
+/* Interrupts and flags management functions **********************************/
+void CAN_ITConfig(CAN_TypeDef* CANx, uint32_t CAN_IT, FunctionalState NewState);
+FlagStatus CAN_GetFlagStatus(CAN_TypeDef* CANx, uint32_t CAN_FLAG);
+void CAN_ClearFlag(CAN_TypeDef* CANx, uint32_t CAN_FLAG);
+ITStatus CAN_GetITStatus(CAN_TypeDef* CANx, uint32_t CAN_IT);
+void CAN_ClearITPendingBit(CAN_TypeDef* CANx, uint32_t CAN_IT);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F0xx_CAN_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_cec.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_cec.h
new file mode 100644
index 00000000..ca1244e2
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_cec.h
@@ -0,0 +1,300 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_cec.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the CEC firmware
+ * library, applicable only for STM32F051, STM32F042 and STM32F072 devices.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_CEC_H
+#define __STM32F0XX_CEC_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup CEC
+ * @{
+ */
+/* Exported types ------------------------------------------------------------*/
+
+/**
+ * @brief CEC Init structure definition
+ */
+typedef struct
+{
+ uint32_t CEC_SignalFreeTime; /*!< Specifies the CEC Signal Free Time configuration.
+ This parameter can be a value of @ref CEC_Signal_Free_Time */
+ uint32_t CEC_RxTolerance; /*!< Specifies the CEC Reception Tolerance.
+ This parameter can be a value of @ref CEC_RxTolerance */
+ uint32_t CEC_StopReception; /*!< Specifies the CEC Stop Reception.
+ This parameter can be a value of @ref CEC_Stop_Reception */
+ uint32_t CEC_BitRisingError; /*!< Specifies the CEC Bit Rising Error generation.
+ This parameter can be a value of @ref CEC_Bit_Rising_Error_Generation */
+ uint32_t CEC_LongBitPeriodError; /*!< Specifies the CEC Long Bit Error generation.
+ This parameter can be a value of @ref CEC_Long_Bit_Error_Generation */
+ uint32_t CEC_BRDNoGen; /*!< Specifies the CEC Broadcast Error generation.
+ This parameter can be a value of @ref CEC_BDR_No_Gen */
+ uint32_t CEC_SFTOption; /*!< Specifies the CEC Signal Free Time option.
+ This parameter can be a value of @ref CEC_SFT_Option */
+
+}CEC_InitTypeDef;
+
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup CEC_Exported_Constants
+ * @{
+ */
+
+/** @defgroup CEC_Signal_Free_Time
+ * @{
+ */
+#define CEC_SignalFreeTime_Standard ((uint32_t)0x00000000) /*!< CEC Signal Free Time Standard */
+#define CEC_SignalFreeTime_1T ((uint32_t)0x00000001) /*!< CEC 1.5 nominal data bit periods */
+#define CEC_SignalFreeTime_2T ((uint32_t)0x00000002) /*!< CEC 2.5 nominal data bit periods */
+#define CEC_SignalFreeTime_3T ((uint32_t)0x00000003) /*!< CEC 3.5 nominal data bit periods */
+#define CEC_SignalFreeTime_4T ((uint32_t)0x00000004) /*!< CEC 4.5 nominal data bit periods */
+#define CEC_SignalFreeTime_5T ((uint32_t)0x00000005) /*!< CEC 5.5 nominal data bit periods */
+#define CEC_SignalFreeTime_6T ((uint32_t)0x00000006) /*!< CEC 6.5 nominal data bit periods */
+#define CEC_SignalFreeTime_7T ((uint32_t)0x00000007) /*!< CEC 7.5 nominal data bit periods */
+
+#define IS_CEC_SIGNAL_FREE_TIME(TIME) (((TIME) == CEC_SignalFreeTime_Standard) || \
+ ((TIME) == CEC_SignalFreeTime_1T)|| \
+ ((TIME) == CEC_SignalFreeTime_2T)|| \
+ ((TIME) == CEC_SignalFreeTime_3T)|| \
+ ((TIME) == CEC_SignalFreeTime_4T)|| \
+ ((TIME) == CEC_SignalFreeTime_5T)|| \
+ ((TIME) == CEC_SignalFreeTime_6T)|| \
+ ((TIME) == CEC_SignalFreeTime_7T))
+/**
+ * @}
+ */
+
+/** @defgroup CEC_RxTolerance
+ * @{
+ */
+#define CEC_RxTolerance_Standard ((uint32_t)0x00000000) /*!< Standard Tolerance Margin */
+#define CEC_RxTolerance_Extended CEC_CFGR_RXTOL /*!< Extended Tolerance Margin */
+
+#define IS_CEC_RX_TOLERANCE(TOLERANCE) (((TOLERANCE) == CEC_RxTolerance_Standard) || \
+ ((TOLERANCE) == CEC_RxTolerance_Extended))
+/**
+ * @}
+ */
+
+/** @defgroup CEC_Stop_Reception
+ * @{
+ */
+#define CEC_StopReception_Off ((uint32_t)0x00000000) /*!< No RX Stop on bit Rising Error (BRE) */
+#define CEC_StopReception_On CEC_CFGR_BRESTP /*!< RX Stop on bit Rising Error (BRE) */
+
+#define IS_CEC_STOP_RECEPTION(RECEPTION) (((RECEPTION) == CEC_StopReception_On) || \
+ ((RECEPTION) == CEC_StopReception_Off))
+/**
+ * @}
+ */
+
+/** @defgroup CEC_Bit_Rising_Error_Generation
+ * @{
+ */
+#define CEC_BitRisingError_Off ((uint32_t)0x00000000) /*!< Bit Rising Error generation turned Off */
+#define CEC_BitRisingError_On CEC_CFGR_BREGEN /*!< Bit Rising Error generation turned On */
+
+#define IS_CEC_BIT_RISING_ERROR(ERROR) (((ERROR) == CEC_BitRisingError_Off) || \
+ ((ERROR) == CEC_BitRisingError_On))
+/**
+ * @}
+ */
+
+/** @defgroup CEC_Long_Bit_Error_Generation
+ * @{
+ */
+#define CEC_LongBitPeriodError_Off ((uint32_t)0x00000000) /*!< Long Bit Period Error generation turned Off */
+#define CEC_LongBitPeriodError_On CEC_CFGR_LREGEN /*!< Long Bit Period Error generation turned On */
+
+#define IS_CEC_LONG_BIT_PERIOD_ERROR(ERROR) (((ERROR) == CEC_LongBitPeriodError_Off) || \
+ ((ERROR) == CEC_LongBitPeriodError_On))
+/**
+ * @}
+ */
+
+/** @defgroup CEC_BDR_No_Gen
+ * @{
+ */
+
+#define CEC_BRDNoGen_Off ((uint32_t)0x00000000) /*!< Broadcast Bit Rising Error generation turned Off */
+#define CEC_BRDNoGen_On CEC_CFGR_BRDNOGEN /*!< Broadcast Bit Rising Error generation turned On */
+
+#define IS_CEC_BDR_NO_GEN_ERROR(ERROR) (((ERROR) == CEC_BRDNoGen_Off) || \
+ ((ERROR) == CEC_BRDNoGen_On))
+/**
+ * @}
+ */
+
+/** @defgroup CEC_SFT_Option
+ * @{
+ */
+#define CEC_SFTOption_Off ((uint32_t)0x00000000) /*!< SFT option turned Off */
+#define CEC_SFTOption_On CEC_CFGR_SFTOPT /*!< SFT option turned On */
+
+#define IS_CEC_SFT_OPTION(OPTION) (((OPTION) == CEC_SFTOption_Off) || \
+ ((OPTION) == CEC_SFTOption_On))
+/**
+ * @}
+ */
+
+/** @defgroup CEC_Own_Address
+ * @{
+ */
+#define IS_CEC_ADDRESS(ADDRESS) ((ADDRESS) < 0x10)
+
+/**
+ * @}
+ */
+
+/** @defgroup CEC_Interrupt_Configuration_definition
+ * @{
+ */
+#define CEC_IT_TXACKE CEC_IER_TXACKEIE
+#define CEC_IT_TXERR CEC_IER_TXERRIE
+#define CEC_IT_TXUDR CEC_IER_TXUDRIE
+#define CEC_IT_TXEND CEC_IER_TXENDIE
+#define CEC_IT_TXBR CEC_IER_TXBRIE
+#define CEC_IT_ARBLST CEC_IER_ARBLSTIE
+#define CEC_IT_RXACKE CEC_IER_RXACKEIE
+#define CEC_IT_LBPE CEC_IER_LBPEIE
+#define CEC_IT_SBPE CEC_IER_SBPEIE
+#define CEC_IT_BRE CEC_IER_BREIEIE
+#define CEC_IT_RXOVR CEC_IER_RXOVRIE
+#define CEC_IT_RXEND CEC_IER_RXENDIE
+#define CEC_IT_RXBR CEC_IER_RXBRIE
+
+#define IS_CEC_IT(IT) ((((IT) & (uint32_t)0xFFFFE000) == 0x00) && ((IT) != 0x00))
+
+#define IS_CEC_GET_IT(IT) (((IT) == CEC_IT_TXACKE) || \
+ ((IT) == CEC_IT_TXERR)|| \
+ ((IT) == CEC_IT_TXUDR)|| \
+ ((IT) == CEC_IT_TXEND)|| \
+ ((IT) == CEC_IT_TXBR)|| \
+ ((IT) == CEC_IT_ARBLST)|| \
+ ((IT) == CEC_IT_RXACKE)|| \
+ ((IT) == CEC_IT_LBPE)|| \
+ ((IT) == CEC_IT_SBPE)|| \
+ ((IT) == CEC_IT_BRE)|| \
+ ((IT) == CEC_IT_RXOVR)|| \
+ ((IT) == CEC_IT_RXEND)|| \
+ ((IT) == CEC_IT_RXBR))
+/**
+ * @}
+ */
+
+/** @defgroup CEC_ISR_register_flags_definition
+ * @{
+ */
+#define CEC_FLAG_TXACKE CEC_ISR_TXACKE
+#define CEC_FLAG_TXERR CEC_ISR_TXERR
+#define CEC_FLAG_TXUDR CEC_ISR_TXUDR
+#define CEC_FLAG_TXEND CEC_ISR_TXEND
+#define CEC_FLAG_TXBR CEC_ISR_TXBR
+#define CEC_FLAG_ARBLST CEC_ISR_ARBLST
+#define CEC_FLAG_RXACKE CEC_ISR_RXACKE
+#define CEC_FLAG_LBPE CEC_ISR_LBPE
+#define CEC_FLAG_SBPE CEC_ISR_SBPE
+#define CEC_FLAG_BRE CEC_ISR_BRE
+#define CEC_FLAG_RXOVR CEC_ISR_RXOVR
+#define CEC_FLAG_RXEND CEC_ISR_RXEND
+#define CEC_FLAG_RXBR CEC_ISR_RXBR
+
+#define IS_CEC_CLEAR_FLAG(FLAG) ((((FLAG) & (uint32_t)0xFFFFE000) == 0x00) && ((FLAG) != 0x00))
+
+#define IS_CEC_GET_FLAG(FLAG) (((FLAG) == CEC_FLAG_TXACKE) || \
+ ((FLAG) == CEC_FLAG_TXERR)|| \
+ ((FLAG) == CEC_FLAG_TXUDR)|| \
+ ((FLAG) == CEC_FLAG_TXEND)|| \
+ ((FLAG) == CEC_FLAG_TXBR)|| \
+ ((FLAG) == CEC_FLAG_ARBLST)|| \
+ ((FLAG) == CEC_FLAG_RXACKE)|| \
+ ((FLAG) == CEC_FLAG_LBPE)|| \
+ ((FLAG) == CEC_FLAG_SBPE)|| \
+ ((FLAG) == CEC_FLAG_BRE)|| \
+ ((FLAG) == CEC_FLAG_RXOVR)|| \
+ ((FLAG) == CEC_FLAG_RXEND)|| \
+ ((FLAG) == CEC_FLAG_RXBR))
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+
+/* Function used to set the CEC configuration to the default reset state *****/
+void CEC_DeInit(void);
+
+/* CEC_Initialization and Configuration functions *****************************/
+void CEC_Init(CEC_InitTypeDef* CEC_InitStruct);
+void CEC_StructInit(CEC_InitTypeDef* CEC_InitStruct);
+void CEC_Cmd(FunctionalState NewState);
+void CEC_ListenModeCmd(FunctionalState NewState);
+void CEC_OwnAddressConfig(uint8_t CEC_OwnAddress);
+void CEC_OwnAddressClear(void);
+
+/* CEC_Data transfers functions ***********************************************/
+void CEC_SendData(uint8_t Data);
+uint8_t CEC_ReceiveData(void);
+void CEC_StartOfMessage(void);
+void CEC_EndOfMessage(void);
+
+/* CEC_Interrupts and flags management functions ******************************/
+void CEC_ITConfig(uint16_t CEC_IT, FunctionalState NewState);
+FlagStatus CEC_GetFlagStatus(uint16_t CEC_FLAG);
+void CEC_ClearFlag(uint32_t CEC_FLAG);
+ITStatus CEC_GetITStatus(uint16_t CEC_IT);
+void CEC_ClearITPendingBit(uint16_t CEC_IT);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F0XX_CEC_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_comp.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_comp.h
new file mode 100644
index 00000000..12d1493b
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_comp.h
@@ -0,0 +1,245 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_comp.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the COMP firmware
+ * library, applicable only for STM32F051 and STM32F072 devices.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_COMP_H
+#define __STM32F0XX_COMP_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup COMP
+ * @{
+ */
+
+/* Exported types ------------------------------------------------------------*/
+
+/**
+ * @brief COMP Init structure definition
+ */
+
+typedef struct
+{
+
+ uint32_t COMP_InvertingInput; /*!< Selects the inverting input of the comparator.
+ This parameter can be a value of @ref COMP_InvertingInput */
+
+ uint32_t COMP_Output; /*!< Selects the output redirection of the comparator.
+ This parameter can be a value of @ref COMP_Output */
+
+ uint32_t COMP_OutputPol; /*!< Selects the output polarity of the comparator.
+ This parameter can be a value of @ref COMP_OutputPolarity */
+
+ uint32_t COMP_Hysteresis; /*!< Selects the hysteresis voltage of the comparator.
+ This parameter can be a value of @ref COMP_Hysteresis */
+
+ uint32_t COMP_Mode; /*!< Selects the operating mode of the comparator
+ and allows to adjust the speed/consumption.
+ This parameter can be a value of @ref COMP_Mode */
+
+}COMP_InitTypeDef;
+
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup COMP_Exported_Constants
+ * @{
+ */
+
+/** @defgroup COMP_Selection
+ * @{
+ */
+
+#define COMP_Selection_COMP1 ((uint32_t)0x00000000) /*!< COMP1 Selection */
+#define COMP_Selection_COMP2 ((uint32_t)0x00000010) /*!< COMP2 Selection */
+
+#define IS_COMP_ALL_PERIPH(PERIPH) (((PERIPH) == COMP_Selection_COMP1) || \
+ ((PERIPH) == COMP_Selection_COMP2))
+
+/**
+ * @}
+ */
+
+/** @defgroup COMP_InvertingInput
+ * @{
+ */
+
+#define COMP_InvertingInput_1_4VREFINT ((uint32_t)0x00000000) /*!< 1/4 VREFINT connected to comparator inverting input */
+#define COMP_InvertingInput_1_2VREFINT COMP_CSR_COMP1INSEL_0 /*!< 1/2 VREFINT connected to comparator inverting input */
+#define COMP_InvertingInput_3_4VREFINT COMP_CSR_COMP1INSEL_1 /*!< 3/4 VREFINT connected to comparator inverting input */
+#define COMP_InvertingInput_VREFINT ((uint32_t)0x00000030) /*!< VREFINT connected to comparator inverting input */
+#define COMP_InvertingInput_DAC1 COMP_CSR_COMP1INSEL_2 /*!< DAC1_OUT (PA4) connected to comparator inverting input */
+#define COMP_InvertingInput_DAC2 ((uint32_t)0x00000050) /*!< DAC2_OUT (PA5) connected to comparator inverting input, applicable only for STM32F072 devices */
+#define COMP_InvertingInput_IO ((uint32_t)0x00000060) /*!< I/O (PA0 for COMP1 and PA2 for COMP2) connected to comparator inverting input */
+
+#define IS_COMP_INVERTING_INPUT(INPUT) (((INPUT) == COMP_InvertingInput_1_4VREFINT) || \
+ ((INPUT) == COMP_InvertingInput_1_2VREFINT) || \
+ ((INPUT) == COMP_InvertingInput_3_4VREFINT) || \
+ ((INPUT) == COMP_InvertingInput_VREFINT) || \
+ ((INPUT) == COMP_InvertingInput_DAC1) || \
+ ((INPUT) == COMP_InvertingInput_DAC2) || \
+ ((INPUT) == COMP_InvertingInput_1_4VREFINT) || \
+ ((INPUT) == COMP_InvertingInput_IO))
+/**
+ * @}
+ */
+
+/** @defgroup COMP_Output
+ * @{
+ */
+
+#define COMP_Output_None ((uint32_t)0x00000000) /*!< COMP output isn't connected to other peripherals */
+#define COMP_Output_TIM1BKIN COMP_CSR_COMP1OUTSEL_0 /*!< COMP output connected to TIM1 Break Input (BKIN) */
+#define COMP_Output_TIM1IC1 COMP_CSR_COMP1OUTSEL_1 /*!< COMP output connected to TIM1 Input Capture 1 */
+#define COMP_Output_TIM1OCREFCLR ((uint32_t)0x00000300) /*!< COMP output connected to TIM1 OCREF Clear */
+#define COMP_Output_TIM2IC4 COMP_CSR_COMP1OUTSEL_2 /*!< COMP output connected to TIM2 Input Capture 4 */
+#define COMP_Output_TIM2OCREFCLR ((uint32_t)0x00000500) /*!< COMP output connected to TIM2 OCREF Clear */
+#define COMP_Output_TIM3IC1 ((uint32_t)0x00000600) /*!< COMP output connected to TIM3 Input Capture 1 */
+#define COMP_Output_TIM3OCREFCLR COMP_CSR_COMP1OUTSEL /*!< COMP output connected to TIM3 OCREF Clear */
+
+
+#define IS_COMP_OUTPUT(OUTPUT) (((OUTPUT) == COMP_Output_None) || \
+ ((OUTPUT) == COMP_Output_TIM1BKIN) || \
+ ((OUTPUT) == COMP_Output_TIM1IC1) || \
+ ((OUTPUT) == COMP_Output_TIM1OCREFCLR) || \
+ ((OUTPUT) == COMP_Output_TIM2IC4) || \
+ ((OUTPUT) == COMP_Output_TIM2OCREFCLR) || \
+ ((OUTPUT) == COMP_Output_TIM3IC1) || \
+ ((OUTPUT) == COMP_Output_TIM3OCREFCLR))
+/**
+ * @}
+ */
+
+/** @defgroup COMP_OutputPolarity
+ * @{
+ */
+#define COMP_OutputPol_NonInverted ((uint32_t)0x00000000) /*!< COMP output on GPIO isn't inverted */
+#define COMP_OutputPol_Inverted COMP_CSR_COMP1POL /*!< COMP output on GPIO is inverted */
+
+#define IS_COMP_OUTPUT_POL(POL) (((POL) == COMP_OutputPol_NonInverted) || \
+ ((POL) == COMP_OutputPol_Inverted))
+
+/**
+ * @}
+ */
+
+/** @defgroup COMP_Hysteresis
+ * @{
+ */
+/* Please refer to the electrical characteristics in the device datasheet for
+ the hysteresis level */
+#define COMP_Hysteresis_No 0x00000000 /*!< No hysteresis */
+#define COMP_Hysteresis_Low COMP_CSR_COMP1HYST_0 /*!< Hysteresis level low */
+#define COMP_Hysteresis_Medium COMP_CSR_COMP1HYST_1 /*!< Hysteresis level medium */
+#define COMP_Hysteresis_High COMP_CSR_COMP1HYST /*!< Hysteresis level high */
+
+#define IS_COMP_HYSTERESIS(HYSTERESIS) (((HYSTERESIS) == COMP_Hysteresis_No) || \
+ ((HYSTERESIS) == COMP_Hysteresis_Low) || \
+ ((HYSTERESIS) == COMP_Hysteresis_Medium) || \
+ ((HYSTERESIS) == COMP_Hysteresis_High))
+/**
+ * @}
+ */
+
+/** @defgroup COMP_Mode
+ * @{
+ */
+/* Please refer to the electrical characteristics in the device datasheet for
+ the power consumption values */
+#define COMP_Mode_HighSpeed 0x00000000 /*!< High Speed */
+#define COMP_Mode_MediumSpeed COMP_CSR_COMP1MODE_0 /*!< Medium Speed */
+#define COMP_Mode_LowPower COMP_CSR_COMP1MODE_1 /*!< Low power mode */
+#define COMP_Mode_UltraLowPower COMP_CSR_COMP1MODE /*!< Ultra-low power mode */
+
+#define IS_COMP_MODE(MODE) (((MODE) == COMP_Mode_UltraLowPower) || \
+ ((MODE) == COMP_Mode_LowPower) || \
+ ((MODE) == COMP_Mode_MediumSpeed) || \
+ ((MODE) == COMP_Mode_HighSpeed))
+/**
+ * @}
+ */
+
+/** @defgroup COMP_OutputLevel
+ * @{
+ */
+/* When output polarity is not inverted, comparator output is high when
+ the non-inverting input is at a higher voltage than the inverting input */
+#define COMP_OutputLevel_High COMP_CSR_COMP1OUT
+/* When output polarity is not inverted, comparator output is low when
+ the non-inverting input is at a lower voltage than the inverting input*/
+#define COMP_OutputLevel_Low ((uint32_t)0x00000000)
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+
+/* Function used to set the COMP configuration to the default reset state ****/
+void COMP_DeInit(void);
+
+/* Initialization and Configuration functions *********************************/
+void COMP_Init(uint32_t COMP_Selection, COMP_InitTypeDef* COMP_InitStruct);
+void COMP_StructInit(COMP_InitTypeDef* COMP_InitStruct);
+void COMP_Cmd(uint32_t COMP_Selection, FunctionalState NewState);
+void COMP_SwitchCmd(FunctionalState NewState);
+uint32_t COMP_GetOutputLevel(uint32_t COMP_Selection);
+
+/* Window mode control function ***********************************************/
+void COMP_WindowCmd(FunctionalState NewState);
+
+/* COMP configuration locking function ****************************************/
+void COMP_LockConfig(uint32_t COMP_Selection);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*__STM32F0XX_COMP_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_crc.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_crc.h
new file mode 100644
index 00000000..e639df63
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_crc.h
@@ -0,0 +1,122 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_crc.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the CRC firmware
+ * library.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_CRC_H
+#define __STM32F0XX_CRC_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/*!< Includes ----------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup CRC
+ * @{
+ */
+
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup CRC_ReverseInputData
+ * @{
+ */
+#define CRC_ReverseInputData_No ((uint32_t)0x00000000) /*!< No reverse operation of Input Data */
+#define CRC_ReverseInputData_8bits CRC_CR_REV_IN_0 /*!< Reverse operation of Input Data on 8 bits */
+#define CRC_ReverseInputData_16bits CRC_CR_REV_IN_1 /*!< Reverse operation of Input Data on 16 bits */
+#define CRC_ReverseInputData_32bits CRC_CR_REV_IN /*!< Reverse operation of Input Data on 32 bits */
+
+#define IS_CRC_REVERSE_INPUT_DATA(DATA) (((DATA) == CRC_ReverseInputData_No) || \
+ ((DATA) == CRC_ReverseInputData_8bits) || \
+ ((DATA) == CRC_ReverseInputData_16bits) || \
+ ((DATA) == CRC_ReverseInputData_32bits))
+
+/**
+ * @}
+ */
+
+/** @defgroup CRC_PolynomialSize
+ * @brief Only applicable for STM32F042 and STM32F072 devices
+ * @{
+ */
+#define CRC_PolSize_7 CRC_CR_POLSIZE /*!< 7-bit polynomial for CRC calculation */
+#define CRC_PolSize_8 CRC_CR_POLSIZE_1 /*!< 8-bit polynomial for CRC calculation */
+#define CRC_PolSize_16 CRC_CR_POLSIZE_0 /*!< 16-bit polynomial for CRC calculation */
+#define CRC_PolSize_32 ((uint32_t)0x00000000)/*!< 32-bit polynomial for CRC calculation */
+
+#define IS_CRC_POL_SIZE(SIZE) (((SIZE) == CRC_PolSize_7) || \
+ ((SIZE) == CRC_PolSize_8) || \
+ ((SIZE) == CRC_PolSize_16) || \
+ ((SIZE) == CRC_PolSize_32))
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+/* Configuration of the CRC computation unit **********************************/
+void CRC_DeInit(void);
+void CRC_ResetDR(void);
+void CRC_PolynomialSizeSelect(uint32_t CRC_PolSize); /*!< Only applicable for STM32F042 and STM32F072 devices */
+void CRC_ReverseInputDataSelect(uint32_t CRC_ReverseInputData);
+void CRC_ReverseOutputDataCmd(FunctionalState NewState);
+void CRC_SetInitRegister(uint32_t CRC_InitValue);
+void CRC_SetPolynomial(uint32_t CRC_Pol); /*!< Only applicable for STM32F042 and STM32F072 devices */
+
+/* CRC computation ************************************************************/
+uint32_t CRC_CalcCRC(uint32_t CRC_Data);
+uint32_t CRC_CalcCRC16bits(uint16_t CRC_Data); /*!< Only applicable for STM32F042 and STM32F072 devices */
+uint32_t CRC_CalcCRC8bits(uint8_t CRC_Data); /*!< Only applicable for STM32F042 and STM32F072 devices */
+uint32_t CRC_CalcBlockCRC(uint32_t pBuffer[], uint32_t BufferLength);
+uint32_t CRC_GetCRC(void);
+
+/* Independent register (IDR) access (write/read) *****************************/
+void CRC_SetIDRegister(uint8_t CRC_IDValue);
+uint8_t CRC_GetIDRegister(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F0XX_CRC_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_crs.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_crs.h
new file mode 100644
index 00000000..ed63e981
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_crs.h
@@ -0,0 +1,183 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_crs.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the CRS firmware
+ * library, applicable only for STM32F042 and STM32F072 devices.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_CRS_H
+#define __STM32F0XX_CRS_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/*!< Includes ----------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup CRS
+ * @{
+ */
+
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup CRS_Interrupt_Sources
+ * @{
+ */
+#define CRS_IT_SYNCOK CRS_ISR_SYNCOKF /*!< SYNC event OK */
+#define CRS_IT_SYNCWARN CRS_ISR_SYNCWARNF /*!< SYNC warning */
+#define CRS_IT_ERR CRS_ISR_ERRF /*!< error */
+#define CRS_IT_ESYNC CRS_ISR_ESYNCF /*!< Expected SYNC */
+#define CRS_IT_TRIMOVF CRS_ISR_TRIMOVF /*!< Trimming overflow or underflow */
+#define CRS_IT_SYNCERR CRS_ISR_SYNCERR /*!< SYNC error */
+#define CRS_IT_SYNCMISS CRS_ISR_SYNCMISS /*!< SYNC missed*/
+
+#define IS_CRS_IT(IT) (((IT) == CRS_IT_SYNCOK) || ((IT) == CRS_IT_SYNCWARN) || \
+ ((IT) == CRS_IT_ERR) || ((IT) == CRS_IT_ESYNC))
+
+#define IS_CRS_GET_IT(IT) (((IT) == CRS_IT_SYNCOK) || ((IT) == CRS_IT_SYNCWARN) || \
+ ((IT) == CRS_IT_ERR) || ((IT) == CRS_IT_ESYNC) || \
+ ((IT) == CRS_IT_TRIMOVF) || ((IT) == CRS_IT_SYNCERR) || \
+ ((IT) == CRS_IT_SYNCMISS))
+
+#define IS_CRS_CLEAR_IT(IT) ((IT) != 0x00)
+
+/**
+ * @}
+ */
+
+/** @defgroup CRS_Flags
+ * @{
+ */
+#define CRS_FLAG_SYNCOK CRS_ISR_SYNCOKF /*!< SYNC event OK */
+#define CRS_FLAG_SYNCWARN CRS_ISR_SYNCWARNF /*!< SYNC warning */
+#define CRS_FLAG_ERR CRS_ISR_ERRF /*!< error */
+#define CRS_FLAG_ESYNC CRS_ISR_ESYNCF /*!< Expected SYNC */
+#define CRS_FLAG_TRIMOVF CRS_ISR_TRIMOVF /*!< Trimming overflow or underflow */
+#define CRS_FLAG_SYNCERR CRS_ISR_SYNCERR /*!< SYNC error */
+#define CRS_FLAG_SYNCMISS CRS_ISR_SYNCMISS /*!< SYNC missed*/
+
+#define IS_CRS_FLAG(FLAG) (((FLAG) == CRS_FLAG_SYNCOK) || ((FLAG) == CRS_FLAG_SYNCWARN) || \
+ ((FLAG) == CRS_FLAG_ERR) || ((FLAG) == CRS_FLAG_ESYNC) || \
+ ((FLAG) == CRS_FLAG_TRIMOVF) || ((FLAG) == CRS_FLAG_SYNCERR) || \
+ ((FLAG) == CRS_FLAG_SYNCMISS))
+
+/**
+ * @}
+ */
+
+/** @defgroup CRS_Synchro_Source
+ * @{
+ */
+#define CRS_SYNCSource_GPIO ((uint32_t)0x00) /*!< Synchro Signal soucre GPIO */
+#define CRS_SYNCSource_LSE CRS_CFGR_SYNCSRC_0 /*!< Synchro Signal source LSE */
+#define CRS_SYNCSource_USB CRS_CFGR_SYNCSRC_1 /*!< Synchro Signal source USB SOF */
+
+#define IS_CRS_SYNC_SOURCE(SOURCE) (((SOURCE) == CRS_SYNCSource_GPIO) || \
+ ((SOURCE) == CRS_SYNCSource_LSE) ||\
+ ((SOURCE) == CRS_SYNCSource_USB))
+/**
+ * @}
+ */
+
+/** @defgroup CRS_SynchroDivider
+ * @{
+ */
+#define CRS_SYNC_Div1 ((uint32_t)0x00) /*!< Synchro Signal not divided */
+#define CRS_SYNC_Div2 CRS_CFGR_SYNCDIV_0 /*!< Synchro Signal divided by 2 */
+#define CRS_SYNC_Div4 CRS_CFGR_SYNCDIV_1 /*!< Synchro Signal divided by 4 */
+#define CRS_SYNC_Div8 (CRS_CFGR_SYNCDIV_1 | CRS_CFGR_SYNCDIV_0) /*!< Synchro Signal divided by 8 */
+#define CRS_SYNC_Div16 CRS_CFGR_SYNCDIV_2 /*!< Synchro Signal divided by 16 */
+#define CRS_SYNC_Div32 (CRS_CFGR_SYNCDIV_2 | CRS_CFGR_SYNCDIV_0) /*!< Synchro Signal divided by 32 */
+#define CRS_SYNC_Div64 (CRS_CFGR_SYNCDIV_2 | CRS_CFGR_SYNCDIV_1) /*!< Synchro Signal divided by 64 */
+#define CRS_SYNC_Div128 CRS_CFGR_SYNCDIV /*!< Synchro Signal divided by 128 */
+
+#define IS_CRS_SYNC_DIV(DIV) (((DIV) == CRS_SYNC_Div1) || ((DIV) == CRS_SYNC_Div2) ||\
+ ((DIV) == CRS_SYNC_Div4) || ((DIV) == CRS_SYNC_Div8) || \
+ ((DIV) == CRS_SYNC_Div16) || ((DIV) == CRS_SYNC_Div32) || \
+ ((DIV) == CRS_SYNC_Div64) || ((DIV) == CRS_SYNC_Div128))
+/**
+ * @}
+ */
+
+/** @defgroup CRS_SynchroPolarity
+ * @{
+ */
+#define CRS_SYNCPolarity_Rising ((uint32_t)0x00) /*!< Synchro Active on rising edge */
+#define CRS_SYNCPolarity_Falling CRS_CFGR_SYNCPOL /*!< Synchro Active on falling edge */
+
+#define IS_CRS_SYNC_POLARITY(POLARITY) (((POLARITY) == CRS_SYNCPolarity_Rising) || \
+ ((POLARITY) == CRS_SYNCPolarity_Falling))
+/**
+ * @}
+ */
+
+
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+/* Configuration of the CRS **********************************/
+void CRS_DeInit(void);
+void CRS_AdjustHSI48CalibrationValue(uint8_t CRS_HSI48CalibrationValue);
+void CRS_FrequencyErrorCounterCmd(FunctionalState NewState);
+void CRS_AutomaticCalibrationCmd(FunctionalState NewState);
+void CRS_SoftwareSynchronizationGenerate(void);
+void CRS_FrequencyErrorCounterReload(uint32_t CRS_ReloadValue);
+void CRS_FrequencyErrorLimitConfig(uint8_t CRS_ErrorLimitValue);
+void CRS_SynchronizationPrescalerConfig(uint32_t CRS_Prescaler);
+void CRS_SynchronizationSourceConfig(uint32_t CRS_Source);
+void CRS_SynchronizationPolarityConfig(uint32_t CRS_Polarity);
+uint32_t CRS_GetReloadValue(void);
+uint32_t CRS_GetHSI48CalibrationValue(void);
+uint32_t CRS_GetFrequencyErrorValue(void);
+uint32_t CRS_GetFrequencyErrorDirection(void);
+
+/* Interrupts and flags management functions **********************************/
+void CRS_ITConfig(uint32_t CRS_IT, FunctionalState NewState);
+FlagStatus CRS_GetFlagStatus(uint32_t CRS_FLAG);
+void CRS_ClearFlag(uint32_t CRS_FLAG);
+ITStatus CRS_GetITStatus(uint32_t CRS_IT);
+void CRS_ClearITPendingBit(uint32_t CRS_IT);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F0XX_CRS_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_dac.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_dac.h
new file mode 100644
index 00000000..75896b45
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_dac.h
@@ -0,0 +1,312 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_dac.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the DAC firmware
+ * library, applicable only for STM32F051 and STM32F072 devices.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_DAC_H
+#define __STM32F0XX_DAC_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup DAC
+ * @{
+ */
+
+/* Exported types ------------------------------------------------------------*/
+
+/**
+ * @brief DAC Init structure definition
+ */
+
+typedef struct
+{
+ uint32_t DAC_Trigger; /*!< Specifies the external trigger for the selected DAC channel.
+ This parameter can be a value of @ref DAC_trigger_selection */
+
+ uint32_t DAC_WaveGeneration; /*!< Specifies whether DAC channel noise waves or triangle waves
+ are generated, or whether no wave is generated.
+ This parameter can be a value of @ref DAC_wave_generation
+ This parameter is only applicable for STM32F072 devices */
+
+ uint32_t DAC_LFSRUnmask_TriangleAmplitude; /*!< Specifies the LFSR mask for noise wave generation or
+ the maximum amplitude triangle generation for the DAC channel.
+ This parameter can be a value of @ref DAC_lfsrunmask_triangleamplitude
+ This parameter is only applicable for STM32F072 devices */
+
+ uint32_t DAC_OutputBuffer; /*!< Specifies whether the DAC channel output buffer is enabled or disabled.
+ This parameter can be a value of @ref DAC_output_buffer */
+}DAC_InitTypeDef;
+
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup DAC_Exported_Constants
+ * @{
+ */
+
+/** @defgroup DAC_Trigger
+ * @{
+ */
+
+#define DAC_Trigger_None ((uint32_t)0x00000000) /*!< Conversion is automatic once the DAC1_DHRxxxx register
+ has been loaded, and not by external trigger */
+#define DAC_Trigger_T6_TRGO ((uint32_t)0x00000004) /*!< TIM6 TRGO selected as external conversion trigger for DAC channel1 */
+#define DAC_Trigger_T3_TRGO ((uint32_t)0x0000000C) /*!< TIM3 TRGO selected as external conversion trigger for DAC channel1 */
+#define DAC_Trigger_T7_TRGO ((uint32_t)0x00000014) /*!< TIM7 TRGO selected as external conversion trigger for DAC channel1,
+ applicable only for STM32F072 devices */
+#define DAC_Trigger_T15_TRGO ((uint32_t)0x0000001C) /*!< TIM15 TRGO selected as external conversion trigger for DAC channel1 */
+#define DAC_Trigger_T2_TRGO ((uint32_t)0x00000024) /*!< TIM2 TRGO selected as external conversion trigger for DAC channel1 */
+#define DAC_Trigger_Ext_IT9 ((uint32_t)0x00000034) /*!< EXTI Line9 event selected as external conversion trigger for DAC channels */
+#define DAC_Trigger_Software ((uint32_t)0x0000003C) /*!< Conversion started by software trigger for DAC channels */
+
+#define IS_DAC_TRIGGER(TRIGGER) (((TRIGGER) == DAC_Trigger_None) || \
+ ((TRIGGER) == DAC_Trigger_T6_TRGO) || \
+ ((TRIGGER) == DAC_Trigger_T7_TRGO) || \
+ ((TRIGGER) == DAC_Trigger_T3_TRGO) || \
+ ((TRIGGER) == DAC_Trigger_T15_TRGO) || \
+ ((TRIGGER) == DAC_Trigger_T2_TRGO) || \
+ ((TRIGGER) == DAC_Trigger_Ext_IT9) || \
+ ((TRIGGER) == DAC_Trigger_Software))
+
+/**
+ * @}
+ */
+
+/** @defgroup DAC_wave_generation
+ * @brief This parameters are only applicable for STM32F072 devices.
+ * @{
+ */
+
+#define DAC_WaveGeneration_None ((uint32_t)0x00000000)
+#define DAC_WaveGeneration_Noise ((uint32_t)0x00000040)
+#define DAC_WaveGeneration_Triangle ((uint32_t)0x00000080)
+#define IS_DAC_GENERATE_WAVE(WAVE) (((WAVE) == DAC_WaveGeneration_None) || \
+ ((WAVE) == DAC_WaveGeneration_Noise) || \
+ ((WAVE) == DAC_WaveGeneration_Triangle))
+/**
+ * @}
+ */
+
+/** @defgroup DAC_lfsrunmask_triangleamplitude
+ * @brief These parameters are only applicable for STM32F072 devices.
+ * @{
+ */
+
+#define DAC_LFSRUnmask_Bit0 ((uint32_t)0x00000000) /*!< Unmask DAC channel LFSR bit0 for noise wave generation */
+#define DAC_LFSRUnmask_Bits1_0 ((uint32_t)0x00000100) /*!< Unmask DAC channel LFSR bit[1:0] for noise wave generation */
+#define DAC_LFSRUnmask_Bits2_0 ((uint32_t)0x00000200) /*!< Unmask DAC channel LFSR bit[2:0] for noise wave generation */
+#define DAC_LFSRUnmask_Bits3_0 ((uint32_t)0x00000300) /*!< Unmask DAC channel LFSR bit[3:0] for noise wave generation */
+#define DAC_LFSRUnmask_Bits4_0 ((uint32_t)0x00000400) /*!< Unmask DAC channel LFSR bit[4:0] for noise wave generation */
+#define DAC_LFSRUnmask_Bits5_0 ((uint32_t)0x00000500) /*!< Unmask DAC channel LFSR bit[5:0] for noise wave generation */
+#define DAC_LFSRUnmask_Bits6_0 ((uint32_t)0x00000600) /*!< Unmask DAC channel LFSR bit[6:0] for noise wave generation */
+#define DAC_LFSRUnmask_Bits7_0 ((uint32_t)0x00000700) /*!< Unmask DAC channel LFSR bit[7:0] for noise wave generation */
+#define DAC_LFSRUnmask_Bits8_0 ((uint32_t)0x00000800) /*!< Unmask DAC channel LFSR bit[8:0] for noise wave generation */
+#define DAC_LFSRUnmask_Bits9_0 ((uint32_t)0x00000900) /*!< Unmask DAC channel LFSR bit[9:0] for noise wave generation */
+#define DAC_LFSRUnmask_Bits10_0 ((uint32_t)0x00000A00) /*!< Unmask DAC channel LFSR bit[10:0] for noise wave generation */
+#define DAC_LFSRUnmask_Bits11_0 ((uint32_t)0x00000B00) /*!< Unmask DAC channel LFSR bit[11:0] for noise wave generation */
+#define DAC_TriangleAmplitude_1 ((uint32_t)0x00000000) /*!< Select max triangle amplitude of 1 */
+#define DAC_TriangleAmplitude_3 ((uint32_t)0x00000100) /*!< Select max triangle amplitude of 3 */
+#define DAC_TriangleAmplitude_7 ((uint32_t)0x00000200) /*!< Select max triangle amplitude of 7 */
+#define DAC_TriangleAmplitude_15 ((uint32_t)0x00000300) /*!< Select max triangle amplitude of 15 */
+#define DAC_TriangleAmplitude_31 ((uint32_t)0x00000400) /*!< Select max triangle amplitude of 31 */
+#define DAC_TriangleAmplitude_63 ((uint32_t)0x00000500) /*!< Select max triangle amplitude of 63 */
+#define DAC_TriangleAmplitude_127 ((uint32_t)0x00000600) /*!< Select max triangle amplitude of 127 */
+#define DAC_TriangleAmplitude_255 ((uint32_t)0x00000700) /*!< Select max triangle amplitude of 255 */
+#define DAC_TriangleAmplitude_511 ((uint32_t)0x00000800) /*!< Select max triangle amplitude of 511 */
+#define DAC_TriangleAmplitude_1023 ((uint32_t)0x00000900) /*!< Select max triangle amplitude of 1023 */
+#define DAC_TriangleAmplitude_2047 ((uint32_t)0x00000A00) /*!< Select max triangle amplitude of 2047 */
+#define DAC_TriangleAmplitude_4095 ((uint32_t)0x00000B00) /*!< Select max triangle amplitude of 4095 */
+
+#define IS_DAC_LFSR_UNMASK_TRIANGLE_AMPLITUDE(VALUE) (((VALUE) == DAC_LFSRUnmask_Bit0) || \
+ ((VALUE) == DAC_LFSRUnmask_Bits1_0) || \
+ ((VALUE) == DAC_LFSRUnmask_Bits2_0) || \
+ ((VALUE) == DAC_LFSRUnmask_Bits3_0) || \
+ ((VALUE) == DAC_LFSRUnmask_Bits4_0) || \
+ ((VALUE) == DAC_LFSRUnmask_Bits5_0) || \
+ ((VALUE) == DAC_LFSRUnmask_Bits6_0) || \
+ ((VALUE) == DAC_LFSRUnmask_Bits7_0) || \
+ ((VALUE) == DAC_LFSRUnmask_Bits8_0) || \
+ ((VALUE) == DAC_LFSRUnmask_Bits9_0) || \
+ ((VALUE) == DAC_LFSRUnmask_Bits10_0) || \
+ ((VALUE) == DAC_LFSRUnmask_Bits11_0) || \
+ ((VALUE) == DAC_TriangleAmplitude_1) || \
+ ((VALUE) == DAC_TriangleAmplitude_3) || \
+ ((VALUE) == DAC_TriangleAmplitude_7) || \
+ ((VALUE) == DAC_TriangleAmplitude_15) || \
+ ((VALUE) == DAC_TriangleAmplitude_31) || \
+ ((VALUE) == DAC_TriangleAmplitude_63) || \
+ ((VALUE) == DAC_TriangleAmplitude_127) || \
+ ((VALUE) == DAC_TriangleAmplitude_255) || \
+ ((VALUE) == DAC_TriangleAmplitude_511) || \
+ ((VALUE) == DAC_TriangleAmplitude_1023) || \
+ ((VALUE) == DAC_TriangleAmplitude_2047) || \
+ ((VALUE) == DAC_TriangleAmplitude_4095))
+/**
+ * @}
+ */
+
+/** @defgroup DAC_OutputBuffer
+ * @{
+ */
+
+#define DAC_OutputBuffer_Enable ((uint32_t)0x00000000)
+#define DAC_OutputBuffer_Disable DAC_CR_BOFF1
+#define IS_DAC_OUTPUT_BUFFER_STATE(STATE) (((STATE) == DAC_OutputBuffer_Enable) || \
+ ((STATE) == DAC_OutputBuffer_Disable))
+/**
+ * @}
+ */
+
+/** @defgroup DAC_Channel_selection
+ * @{
+ */
+
+#define DAC_Channel_1 ((uint32_t)0x00000000)
+#define DAC_Channel_2 ((uint32_t)0x00000010) /*!< Only applicable for STM32F072 devices */
+#define IS_DAC_CHANNEL(CHANNEL) (((CHANNEL) == DAC_Channel_1) || \
+ ((CHANNEL) == DAC_Channel_2))
+
+/**
+ * @}
+ */
+
+/** @defgroup DAC_data_alignment
+ * @{
+ */
+
+#define DAC_Align_12b_R ((uint32_t)0x00000000)
+#define DAC_Align_12b_L ((uint32_t)0x00000004)
+#define DAC_Align_8b_R ((uint32_t)0x00000008)
+#define IS_DAC_ALIGN(ALIGN) (((ALIGN) == DAC_Align_12b_R) || \
+ ((ALIGN) == DAC_Align_12b_L) || \
+ ((ALIGN) == DAC_Align_8b_R))
+/**
+ * @}
+ */
+
+/** @defgroup DAC_wave_generation
+ * @brief These parameters are only applicable for STM32F072 devices.
+ * @{
+ */
+
+#define DAC_Wave_Noise ((uint32_t)0x00000040)
+#define DAC_Wave_Triangle ((uint32_t)0x00000080)
+#define IS_DAC_WAVE(WAVE) (((WAVE) == DAC_Wave_Noise) || \
+ ((WAVE) == DAC_Wave_Triangle))
+/**
+ * @}
+ */
+
+/** @defgroup DAC_data
+ * @{
+ */
+
+#define IS_DAC_DATA(DATA) ((DATA) <= 0xFFF0)
+
+/**
+ * @}
+ */
+
+/** @defgroup DAC_interrupts_definition
+ * @{
+ */
+
+#define DAC_IT_DMAUDR DAC_SR_DMAUDR1
+#define IS_DAC_IT(IT) (((IT) == DAC_IT_DMAUDR))
+
+/**
+ * @}
+ */
+
+
+/** @defgroup DAC_flags_definition
+ * @{
+ */
+
+#define DAC_FLAG_DMAUDR DAC_SR_DMAUDR1
+
+#define IS_DAC_FLAG(FLAG) (((FLAG) == DAC_FLAG_DMAUDR))
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+
+/* Function used to set the DAC configuration to the default reset state *****/
+void DAC_DeInit(void);
+
+/* DAC channels configuration: trigger, output buffer, data format functions */
+void DAC_Init(uint32_t DAC_Channel, DAC_InitTypeDef* DAC_InitStruct);
+void DAC_StructInit(DAC_InitTypeDef* DAC_InitStruct);
+void DAC_Cmd(uint32_t DAC_Channel, FunctionalState NewState);
+void DAC_SoftwareTriggerCmd(uint32_t DAC_Channel, FunctionalState NewState);
+void DAC_DualSoftwareTriggerCmd(FunctionalState NewState); /*!< Only applicable for STM32F072 devices */
+void DAC_WaveGenerationCmd(uint32_t DAC_Channel, uint32_t DAC_Wave, FunctionalState NewState); /*!< Only applicable for STM32F072 devices */
+void DAC_SetChannel1Data(uint32_t DAC_Align, uint16_t Data);
+void DAC_SetChannel2Data(uint32_t DAC_Align, uint16_t Data); /*!< Only applicable for STM32F072 devices */
+void DAC_SetDualChannelData(uint32_t DAC_Align, uint16_t Data2, uint16_t Data1); /*!< Only applicable for STM32F072 devices */
+uint16_t DAC_GetDataOutputValue(uint32_t DAC_Channel);
+
+/* DMA management functions ***************************************************/
+void DAC_DMACmd(uint32_t DAC_Channel, FunctionalState NewState);
+
+/* Interrupts and flags management functions **********************************/
+void DAC_ITConfig(uint32_t DAC_Channel, uint32_t DAC_IT, FunctionalState NewState);
+FlagStatus DAC_GetFlagStatus(uint32_t DAC_Channel, uint32_t DAC_FLAG);
+void DAC_ClearFlag(uint32_t DAC_Channel, uint32_t DAC_FLAG);
+ITStatus DAC_GetITStatus(uint32_t DAC_Channel, uint32_t DAC_IT);
+void DAC_ClearITPendingBit(uint32_t DAC_Channel, uint32_t DAC_IT);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*__STM32F0XX_DAC_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_dbgmcu.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_dbgmcu.h
new file mode 100644
index 00000000..4ee2916f
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_dbgmcu.h
@@ -0,0 +1,107 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_dbgmcu.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the DBGMCU firmware
+ * library.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_DBGMCU_H
+#define __STM32F0XX_DBGMCU_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup DBGMCU
+ * @{
+ */
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+
+
+/** @defgroup DBGMCU_Exported_Constants
+ * @{
+ */
+
+#define DBGMCU_STOP DBGMCU_CR_DBG_STOP
+#define DBGMCU_STANDBY DBGMCU_CR_DBG_STANDBY
+#define IS_DBGMCU_PERIPH(PERIPH) ((((PERIPH) & 0xFFFFFFF9) == 0x00) && ((PERIPH) != 0x00))
+
+#define DBGMCU_TIM2_STOP DBGMCU_APB1_FZ_DBG_TIM2_STOP /*!< Not applicable for STM32F030 devices */
+#define DBGMCU_TIM3_STOP DBGMCU_APB1_FZ_DBG_TIM3_STOP
+#define DBGMCU_TIM6_STOP DBGMCU_APB1_FZ_DBG_TIM6_STOP
+#define DBGMCU_TIM7_STOP DBGMCU_APB1_FZ_DBG_TIM7_STOP /*!< Only applicable for STM32F072 devices */
+#define DBGMCU_TIM14_STOP DBGMCU_APB1_FZ_DBG_TIM14_STOP
+#define DBGMCU_RTC_STOP DBGMCU_APB1_FZ_DBG_RTC_STOP
+#define DBGMCU_WWDG_STOP DBGMCU_APB1_FZ_DBG_WWDG_STOP
+#define DBGMCU_IWDG_STOP DBGMCU_APB1_FZ_DBG_IWDG_STOP
+#define DBGMCU_I2C1_SMBUS_TIMEOUT DBGMCU_APB1_FZ_DBG_I2C1_SMBUS_TIMEOUT
+#define DBGMCU_CAN1_STOP DBGMCU_APB1_FZ_DBG_CAN1_STOP /*!< Only applicable for STM32F042 and STM32F072 devices */
+#define IS_DBGMCU_APB1PERIPH(PERIPH) ((((PERIPH) & 0xFDDFE2CC) == 0x00) && ((PERIPH) != 0x00))
+
+#define DBGMCU_TIM1_STOP DBGMCU_APB2_FZ_DBG_TIM1_STOP
+#define DBGMCU_TIM15_STOP DBGMCU_APB2_FZ_DBG_TIM15_STOP
+#define DBGMCU_TIM16_STOP DBGMCU_APB2_FZ_DBG_TIM16_STOP
+#define DBGMCU_TIM17_STOP DBGMCU_APB2_FZ_DBG_TIM17_STOP
+#define IS_DBGMCU_APB2PERIPH(PERIPH) ((((PERIPH) & 0xFFF8F7FF) == 0x00) && ((PERIPH) != 0x00))
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+
+/* Device and Revision ID management functions ********************************/
+uint32_t DBGMCU_GetREVID(void);
+uint32_t DBGMCU_GetDEVID(void);
+
+/* Peripherals Configuration functions ****************************************/
+void DBGMCU_Config(uint32_t DBGMCU_Periph, FunctionalState NewState);
+void DBGMCU_APB1PeriphConfig(uint32_t DBGMCU_Periph, FunctionalState NewState);
+void DBGMCU_APB2PeriphConfig(uint32_t DBGMCU_Periph, FunctionalState NewState);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F0XX_DBGMCU_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_dma.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_dma.h
new file mode 100644
index 00000000..2c6492c7
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_dma.h
@@ -0,0 +1,804 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_dma.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the DMA firmware
+ * library.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_DMA_H
+#define __STM32F0XX_DMA_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup DMA
+ * @{
+ */
+/* Exported types ------------------------------------------------------------*/
+
+/**
+ * @brief DMA Init structures definition
+ */
+typedef struct
+{
+ uint32_t DMA_PeripheralBaseAddr; /*!< Specifies the peripheral base address for DMAy Channelx. */
+
+ uint32_t DMA_MemoryBaseAddr; /*!< Specifies the memory base address for DMAy Channelx. */
+
+ uint32_t DMA_DIR; /*!< Specifies if the peripheral is the source or destination.
+ This parameter can be a value of @ref DMA_data_transfer_direction */
+
+ uint32_t DMA_BufferSize; /*!< Specifies the buffer size, in data unit, of the specified Channel.
+ The data unit is equal to the configuration set in DMA_PeripheralDataSize
+ or DMA_MemoryDataSize members depending in the transfer direction */
+
+ uint32_t DMA_PeripheralInc; /*!< Specifies whether the Peripheral address register is incremented or not.
+ This parameter can be a value of @ref DMA_peripheral_incremented_mode */
+
+ uint32_t DMA_MemoryInc; /*!< Specifies whether the memory address register is incremented or not.
+ This parameter can be a value of @ref DMA_memory_incremented_mode */
+
+ uint32_t DMA_PeripheralDataSize; /*!< Specifies the Peripheral data width.
+ This parameter can be a value of @ref DMA_peripheral_data_size */
+
+ uint32_t DMA_MemoryDataSize; /*!< Specifies the Memory data width.
+ This parameter can be a value of @ref DMA_memory_data_size */
+
+ uint32_t DMA_Mode; /*!< Specifies the operation mode of the DMAy Channelx.
+ This parameter can be a value of @ref DMA_circular_normal_mode
+ @note: The circular buffer mode cannot be used if the memory-to-memory
+ data transfer is configured on the selected Channel */
+
+ uint32_t DMA_Priority; /*!< Specifies the software priority for the DMAy Channelx.
+ This parameter can be a value of @ref DMA_priority_level */
+
+ uint32_t DMA_M2M; /*!< Specifies if the DMAy Channelx will be used in memory-to-memory transfer.
+ This parameter can be a value of @ref DMA_memory_to_memory */
+}DMA_InitTypeDef;
+
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup DMA_Exported_Constants
+ * @{
+ */
+
+#define IS_DMA_ALL_PERIPH(PERIPH) (((PERIPH) == DMA1_Channel1) || \
+ ((PERIPH) == DMA1_Channel2) || \
+ ((PERIPH) == DMA1_Channel3) || \
+ ((PERIPH) == DMA1_Channel4) || \
+ ((PERIPH) == DMA1_Channel5) || \
+ ((PERIPH) == DMA1_Channel6) || \
+ ((PERIPH) == DMA1_Channel7) || \
+ ((PERIPH) == DMA2_Channel1) || \
+ ((PERIPH) == DMA2_Channel2) || \
+ ((PERIPH) == DMA2_Channel3) || \
+ ((PERIPH) == DMA2_Channel4) || \
+ ((PERIPH) == DMA2_Channel5))
+
+/** @defgroup DMA_data_transfer_direction
+ * @{
+ */
+
+#define DMA_DIR_PeripheralSRC ((uint32_t)0x00000000)
+#define DMA_DIR_PeripheralDST DMA_CCR_DIR
+
+#define IS_DMA_DIR(DIR) (((DIR) == DMA_DIR_PeripheralSRC) || \
+ ((DIR) == DMA_DIR_PeripheralDST))
+/**
+ * @}
+ */
+
+/** @defgroup DMA_peripheral_incremented_mode
+ * @{
+ */
+
+#define DMA_PeripheralInc_Disable ((uint32_t)0x00000000)
+#define DMA_PeripheralInc_Enable DMA_CCR_PINC
+
+#define IS_DMA_PERIPHERAL_INC_STATE(STATE) (((STATE) == DMA_PeripheralInc_Disable) || \
+ ((STATE) == DMA_PeripheralInc_Enable))
+/**
+ * @}
+ */
+
+/** @defgroup DMA_memory_incremented_mode
+ * @{
+ */
+
+#define DMA_MemoryInc_Disable ((uint32_t)0x00000000)
+#define DMA_MemoryInc_Enable DMA_CCR_MINC
+
+#define IS_DMA_MEMORY_INC_STATE(STATE) (((STATE) == DMA_MemoryInc_Disable) || \
+ ((STATE) == DMA_MemoryInc_Enable))
+/**
+ * @}
+ */
+
+/** @defgroup DMA_peripheral_data_size
+ * @{
+ */
+
+#define DMA_PeripheralDataSize_Byte ((uint32_t)0x00000000)
+#define DMA_PeripheralDataSize_HalfWord DMA_CCR_PSIZE_0
+#define DMA_PeripheralDataSize_Word DMA_CCR_PSIZE_1
+
+#define IS_DMA_PERIPHERAL_DATA_SIZE(SIZE) (((SIZE) == DMA_PeripheralDataSize_Byte) || \
+ ((SIZE) == DMA_PeripheralDataSize_HalfWord) || \
+ ((SIZE) == DMA_PeripheralDataSize_Word))
+/**
+ * @}
+ */
+
+/** @defgroup DMA_memory_data_size
+ * @{
+ */
+
+#define DMA_MemoryDataSize_Byte ((uint32_t)0x00000000)
+#define DMA_MemoryDataSize_HalfWord DMA_CCR_MSIZE_0
+#define DMA_MemoryDataSize_Word DMA_CCR_MSIZE_1
+
+#define IS_DMA_MEMORY_DATA_SIZE(SIZE) (((SIZE) == DMA_MemoryDataSize_Byte) || \
+ ((SIZE) == DMA_MemoryDataSize_HalfWord) || \
+ ((SIZE) == DMA_MemoryDataSize_Word))
+/**
+ * @}
+ */
+
+/** @defgroup DMA_circular_normal_mode
+ * @{
+ */
+
+#define DMA_Mode_Normal ((uint32_t)0x00000000)
+#define DMA_Mode_Circular DMA_CCR_CIRC
+
+#define IS_DMA_MODE(MODE) (((MODE) == DMA_Mode_Normal) || ((MODE) == DMA_Mode_Circular))
+/**
+ * @}
+ */
+
+/** @defgroup DMA_priority_level
+ * @{
+ */
+
+#define DMA_Priority_VeryHigh DMA_CCR_PL
+#define DMA_Priority_High DMA_CCR_PL_1
+#define DMA_Priority_Medium DMA_CCR_PL_0
+#define DMA_Priority_Low ((uint32_t)0x00000000)
+
+#define IS_DMA_PRIORITY(PRIORITY) (((PRIORITY) == DMA_Priority_VeryHigh) || \
+ ((PRIORITY) == DMA_Priority_High) || \
+ ((PRIORITY) == DMA_Priority_Medium) || \
+ ((PRIORITY) == DMA_Priority_Low))
+/**
+ * @}
+ */
+
+/** @defgroup DMA_memory_to_memory
+ * @{
+ */
+
+#define DMA_M2M_Disable ((uint32_t)0x00000000)
+#define DMA_M2M_Enable DMA_CCR_MEM2MEM
+
+#define IS_DMA_M2M_STATE(STATE) (((STATE) == DMA_M2M_Disable) || ((STATE) == DMA_M2M_Enable))
+
+/**
+ * @}
+ */
+
+/** @defgroup DMA_Remap_Config
+ * @{
+ */
+#define DMAx_CHANNEL1_RMP 0x00000000
+#define DMAx_CHANNEL2_RMP 0x10000000
+#define DMAx_CHANNEL3_RMP 0x20000000
+#define DMAx_CHANNEL4_RMP 0x30000000
+#define DMAx_CHANNEL5_RMP 0x40000000
+#define DMAx_CHANNEL6_RMP 0x50000000
+#define DMAx_CHANNEL7_RMP 0x60000000
+
+
+#define IS_DMA_ALL_LIST(LIST) (((LIST) == DMA1) || \
+ ((LIST) == DMA2))
+
+/****************** DMA1 remap bit field definition********************/
+/* DMA1 - Channel 1 */
+#define DMA1_CH1_DEFAULT (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR1_DEFAULT) /*!< Default remap position for DMA1 */
+#define DMA1_CH1_ADC (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR1_CH1_ADC) /*!< Remap ADC on DMA1 Channel 1*/
+#define DMA1_CH1_TIM17_CH1 (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR1_CH1_TIM17_CH1) /*!< Remap TIM17 channel 1 on DMA1 channel 1 */
+#define DMA1_CH1_TIM17_UP (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR1_CH1_TIM17_UP) /*!< Remap TIM17 up on DMA1 channel 1 */
+#define DMA1_CH1_USART1_RX (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR1_CH1_USART1_RX) /*!< Remap USART1 Rx on DMA1 channel 1 */
+#define DMA1_CH1_USART2_RX (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR1_CH1_USART2_RX) /*!< Remap USART2 Rx on DMA1 channel 1 */
+#define DMA1_CH1_USART3_RX (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR1_CH1_USART3_RX) /*!< Remap USART3 Rx on DMA1 channel 1 */
+#define DMA1_CH1_USART4_RX (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR1_CH1_USART4_RX) /*!< Remap USART4 Rx on DMA1 channel 1 */
+#define DMA1_CH1_USART5_RX (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR1_CH1_USART5_RX) /*!< Remap USART5 Rx on DMA1 channel 1 */
+#define DMA1_CH1_USART6_RX (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR1_CH1_USART6_RX) /*!< Remap USART6 Rx on DMA1 channel 1 */
+#define DMA1_CH1_USART7_RX (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR1_CH1_USART7_RX) /*!< Remap USART7 Rx on DMA1 channel 1 */
+#define DMA1_CH1_USART8_RX (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR1_CH1_USART8_RX) /*!< Remap USART8 Rx on DMA1 channel 1 */
+/* DMA1 - Channel 2 */
+#define DMA1_CH2_DEFAULT (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR1_DEFAULT) /*!< Default remap position for DMA1 */
+#define DMA1_CH2_ADC (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR1_CH2_ADC) /*!< Remap ADC on DMA1 channel 2 */
+#define DMA1_CH2_I2C1_TX (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR1_CH2_I2C1_TX) /*!< Remap I2C1 Tx on DMA1 channel 2 */
+#define DMA1_CH2_SPI1_RX (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR1_CH2_SPI_1RX) /*!< Remap SPI1 Rx on DMA1 channel 2 */
+#define DMA1_CH2_TIM1_CH1 (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR1_CH2_TIM1_CH1) /*!< Remap TIM1 channel 1 on DMA1 channel 2 */
+#define DMA1_CH2_TIM17_CH1 (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR1_CH2_TIM17_CH1) /*!< Remap TIM17 channel 1 on DMA1 channel 2 */
+#define DMA1_CH2_TIM17_UP (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR1_CH2_TIM17_UP) /*!< Remap TIM17 up on DMA1 channel 2 */
+#define DMA1_CH2_USART1_TX (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR1_CH2_USART1_TX) /*!< Remap USART1 Tx on DMA1 channel 2 */
+#define DMA1_CH2_USART2_TX (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR1_CH2_USART2_TX) /*!< Remap USART2 Tx on DMA1 channel 2 */
+#define DMA1_CH2_USART3_TX (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR1_CH2_USART3_TX) /*!< Remap USART3 Tx on DMA1 channel 2 */
+#define DMA1_CH2_USART4_TX (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR1_CH2_USART4_TX) /*!< Remap USART4 Tx on DMA1 channel 2 */
+#define DMA1_CH2_USART5_TX (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR1_CH2_USART5_TX) /*!< Remap USART5 Tx on DMA1 channel 2 */
+#define DMA1_CH2_USART6_TX (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR1_CH2_USART6_TX) /*!< Remap USART6 Tx on DMA1 channel 2 */
+#define DMA1_CH2_USART7_TX (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR1_CH2_USART7_TX) /*!< Remap USART7 Tx on DMA1 channel 2 */
+#define DMA1_CH2_USART8_TX (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR1_CH2_USART8_TX) /*!< Remap USART8 Tx on DMA1 channel 2 */
+/* DMA1 - Channel 3 */
+#define DMA1_CH3_DEFAULT (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR1_DEFAULT) /*!< Default remap position for DMAx */
+#define DMA1_CH3_TIM6_UP (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR1_CH3_TIM6_UP) /*!< Remap TIM6 up on DMA1 channel 3 */
+#define DMA1_CH3_DAC_CH1 (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR1_CH3_DAC_CH1) /*!< Remap DAC Channel 1on DMA1 channel 3 */
+#define DMA1_CH3_I2C1_RX (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR1_CH3_I2C1_RX) /*!< Remap I2C1 Rx on DMA1 channel 3 */
+#define DMA1_CH3_SPI1_TX (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR1_CH3_SPI1_TX) /*!< Remap SPI1 Tx on DMA1 channel 3 */
+#define DMA1_CH3_TIM1_CH2 (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR1_CH3_TIM1_CH2) /*!< Remap TIM1 channel 2 on DMA1 channel 3 */
+#define DMA1_CH3_TIM2_CH2 (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR1_CH3_TIM2_CH2) /*!< Remap TIM2 channel 2 on DMA1 channel 3 */
+#define DMA1_CH3_TIM16_CH1 (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR1_CH3_TIM16_CH1) /*!< Remap TIM16 channel 1 on DMA1 channel 3 */
+#define DMA1_CH3_TIM16_UP (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR1_CH3_TIM16_UP) /*!< Remap TIM16 up on DMA1 channel 3 */
+#define DMA1_CH3_USART1_RX (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR1_CH3_USART1_RX) /*!< Remap USART1 Rx on DMA1 channel 3 */
+#define DMA1_CH3_USART2_RX (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR1_CH3_USART2_RX) /*!< Remap USART2 Rx on DMA1 channel 3 */
+#define DMA1_CH3_USART3_RX (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR1_CH3_USART3_RX) /*!< Remap USART3 Rx on DMA1 channel 3 */
+#define DMA1_CH3_USART4_RX (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR1_CH3_USART4_RX) /*!< Remap USART4 Rx on DMA1 channel 3 */
+#define DMA1_CH3_USART5_RX (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR1_CH3_USART5_RX) /*!< Remap USART5 Rx on DMA1 channel 3 */
+#define DMA1_CH3_USART6_RX (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR1_CH3_USART6_RX) /*!< Remap USART6 Rx on DMA1 channel 3 */
+#define DMA1_CH3_USART7_RX (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR1_CH3_USART7_RX) /*!< Remap USART7 Rx on DMA1 channel 3 */
+#define DMA1_CH3_USART8_RX (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR1_CH3_USART8_RX) /*!< Remap USART8 Rx on DMA1 channel 3 */
+/* DMA1 - Channel 4 */
+#define DMA1_CH4_DEFAULT (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR1_DEFAULT) /*!< Default remap position for DMA1 */
+#define DMA1_CH4_TIM7_UP (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR1_CH4_TIM7_UP) /*!< Remap TIM7 up on DMA1 channel 4 */
+#define DMA1_CH4_DAC_CH2 (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR1_CH4_DAC_CH2) /*!< Remap DAC Channel 2 on DMA1 channel 4 */
+#define DMA1_CH4_I2C2_TX (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR1_CH4_I2C2_TX) /*!< Remap I2C2 Tx on DMA1 channel 4 */
+#define DMA1_CH4_SPI2_RX (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR1_CH4_SPI2_RX) /*!< Remap SPI2 Rx on DMA1 channel 4 */
+#define DMA1_CH4_TIM2_CH4 (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR1_CH4_TIM2_CH4) /*!< Remap TIM2 channel 4 on DMA1 channel 4 */
+#define DMA1_CH4_TIM3_CH1 (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR1_CH4_TIM3_CH1) /*!< Remap TIM3 channel 1 on DMA1 channel 4 */
+#define DMA1_CH4_TIM3_TRIG (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR1_CH4_TIM3_TRIG) /*!< Remap TIM3 Trig on DMA1 channel 4 */
+#define DMA1_CH4_TIM16_CH1 (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR1_CH4_TIM16_CH1) /*!< Remap TIM16 channel 1 on DMA1 channel 4 */
+#define DMA1_CH4_TIM16_UP (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR1_CH4_TIM16_UP) /*!< Remap TIM16 up on DMA1 channel 4 */
+#define DMA1_CH4_USART1_TX (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR1_CH4_USART1_TX) /*!< Remap USART1 Tx on DMA1 channel 4 */
+#define DMA1_CH4_USART2_TX (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR1_CH4_USART2_TX) /*!< Remap USART2 Tx on DMA1 channel 4 */
+#define DMA1_CH4_USART3_TX (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR1_CH4_USART3_TX) /*!< Remap USART3 Tx on DMA1 channel 4 */
+#define DMA1_CH4_USART4_TX (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR1_CH4_USART4_TX) /*!< Remap USART4 Tx on DMA1 channel 4 */
+#define DMA1_CH4_USART5_TX (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR1_CH4_USART5_TX) /*!< Remap USART5 Tx on DMA1 channel 4 */
+#define DMA1_CH4_USART6_TX (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR1_CH4_USART6_TX) /*!< Remap USART6 Tx on DMA1 channel 4 */
+#define DMA1_CH4_USART7_TX (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR1_CH4_USART7_TX) /*!< Remap USART7 Tx on DMA1 channel 4 */
+#define DMA1_CH4_USART8_TX (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR1_CH4_USART8_TX) /*!< Remap USART8 Tx on DMA1 channel 4 */
+/* DMA1 - Channel 5 */
+#define DMA1_CH5_DEFAULT (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR1_DEFAULT) /*!< Default remap position for DMA1 */
+#define DMA1_CH5_I2C2_RX (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR1_CH5_I2C2_RX) /*!< Remap I2C2 Rx on DMA1 channel 5 */
+#define DMA1_CH5_SPI2_TX (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR1_CH5_SPI2_TX) /*!< Remap SPI1 Tx on DMA1 channel 5 */
+#define DMA1_CH5_TIM1_CH3 (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR1_CH5_TIM1_CH3) /*!< Remap TIM1 channel 3 on DMA1 channel 5 */
+#define DMA1_CH5_USART1_RX (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR1_CH5_USART1_RX) /*!< Remap USART1 Rx on DMA1 channel 5 */
+#define DMA1_CH5_USART2_RX (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR1_CH5_USART2_RX) /*!< Remap USART2 Rx on DMA1 channel 5 */
+#define DMA1_CH5_USART3_RX (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR1_CH5_USART3_RX) /*!< Remap USART3 Rx on DMA1 channel 5 */
+#define DMA1_CH5_USART4_RX (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR1_CH5_USART4_RX) /*!< Remap USART4 Rx on DMA1 channel 5 */
+#define DMA1_CH5_USART5_RX (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR1_CH5_USART5_RX) /*!< Remap USART5 Rx on DMA1 channel 5 */
+#define DMA1_CH5_USART6_RX (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR1_CH5_USART6_RX) /*!< Remap USART6 Rx on DMA1 channel 5 */
+#define DMA1_CH5_USART7_RX (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR1_CH5_USART7_RX) /*!< Remap USART7 Rx on DMA1 channel 5 */
+#define DMA1_CH5_USART8_RX (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR1_CH5_USART8_RX) /*!< Remap USART8 Rx on DMA1 channel 5 */
+/* DMA1 - Channel 6 */
+#define DMA1_CH6_DEFAULT (uint32_t) (DMAx_CHANNEL6_RMP | DMA_RMPCR1_DEFAULT) /*!< Default remap position for DMA1 */
+#define DMA1_CH6_I2C1_TX (uint32_t) (DMAx_CHANNEL6_RMP | DMA_RMPCR1_CH6_I2C1_TX) /*!< Remap I2C1 Tx on DMA1 channel 6 */
+#define DMA1_CH6_SPI2_RX (uint32_t) (DMAx_CHANNEL6_RMP | DMA_RMPCR1_CH6_SPI2_RX) /*!< Remap SPI2 Rx on DMA1 channel 6 */
+#define DMA1_CH6_TIM1_CH1 (uint32_t) (DMAx_CHANNEL6_RMP | DMA_RMPCR1_CH6_TIM1_CH1) /*!< Remap TIM1 channel 1 on DMA1 channel 6 */
+#define DMA1_CH6_TIM1_CH2 (uint32_t) (DMAx_CHANNEL6_RMP | DMA_RMPCR1_CH6_TIM1_CH2) /*!< Remap TIM1 channel 2 on DMA1 channel 6 */
+#define DMA1_CH6_TIM1_CH3 (uint32_t) (DMAx_CHANNEL6_RMP | DMA_RMPCR1_CH6_TIM1_CH3) /*!< Remap TIM1 channel 3 on DMA1 channel 6 */
+#define DMA1_CH6_TIM3_CH1 (uint32_t) (DMAx_CHANNEL6_RMP | DMA_RMPCR1_CH6_TIM3_CH1) /*!< Remap TIM3 channel 1 on DMA1 channel 6 */
+#define DMA1_CH6_TIM3_TRIG (uint32_t) (DMAx_CHANNEL6_RMP | DMA_RMPCR1_CH6_TIM3_TRIG) /*!< Remap TIM3 Trig on DMA1 channel 6 */
+#define DMA1_CH6_TIM16_CH1 (uint32_t) (DMAx_CHANNEL6_RMP | DMA_RMPCR1_CH6_TIM16_CH1) /*!< Remap TIM16 channel 1 on DMA1 channel 6 */
+#define DMA1_CH6_TIM16_UP (uint32_t) (DMAx_CHANNEL6_RMP | DMA_RMPCR1_CH6_TIM16_UP) /*!< Remap TIM16 up on DMA1 channel 6 */
+#define DMA1_CH6_USART1_RX (uint32_t) (DMAx_CHANNEL6_RMP | DMA_RMPCR1_CH6_USART1_RX) /*!< Remap USART1 Rx on DMA1 channel 6 */
+#define DMA1_CH6_USART2_RX (uint32_t) (DMAx_CHANNEL6_RMP | DMA_RMPCR1_CH6_USART2_RX) /*!< Remap USART2 Rx on DMA1 channel 6 */
+#define DMA1_CH6_USART3_RX (uint32_t) (DMAx_CHANNEL6_RMP | DMA_RMPCR1_CH6_USART3_RX) /*!< Remap USART3 Rx on DMA1 channel 6 */
+#define DMA1_CH6_USART4_RX (uint32_t) (DMAx_CHANNEL6_RMP | DMA_RMPCR1_CH6_USART4_RX) /*!< Remap USART4 Rx on DMA1 channel 6 */
+#define DMA1_CH6_USART5_RX (uint32_t) (DMAx_CHANNEL6_RMP | DMA_RMPCR1_CH6_USART5_RX) /*!< Remap USART5 Rx on DMA1 channel 6 */
+#define DMA1_CH6_USART6_RX (uint32_t) (DMAx_CHANNEL6_RMP | DMA_RMPCR1_CH6_USART6_RX) /*!< Remap USART6 Rx on DMA1 channel 6 */
+#define DMA1_CH6_USART7_RX (uint32_t) (DMAx_CHANNEL6_RMP | DMA_RMPCR1_CH6_USART7_RX) /*!< Remap USART7 Rx on DMA1 channel 6 */
+#define DMA1_CH6_USART8_RX (uint32_t) (DMAx_CHANNEL6_RMP | DMA_RMPCR1_CH6_USART8_RX) /*!< Remap USART8 Rx on DMA1 channel 6 */
+/* DMA1 - Channel 7 */
+#define DMA1_CH7_DEFAULT (uint32_t) (DMAx_CHANNEL7_RMP | DMA_RMPCR1_DEFAULT) /*!< Default remap position for DMA1 */
+#define DMA1_CH7_I2C1_RX (uint32_t) (DMAx_CHANNEL7_RMP | DMA_RMPCR1_CH7_I2C1_RX) /*!< Remap I2C1 Rx on DMA1 channel 7 */
+#define DMA1_CH7_SPI2_TX (uint32_t) (DMAx_CHANNEL7_RMP | DMA_RMPCR1_CH7_SPI2_TX) /*!< Remap SPI2 Tx on DMA1 channel 7 */
+#define DMA1_CH7_TIM2_CH2 (uint32_t) (DMAx_CHANNEL7_RMP | DMA_RMPCR1_CH7_TIM2_CH2) /*!< Remap TIM2 channel 2 on DMA1 channel 7 */
+#define DMA1_CH7_TIM2_CH4 (uint32_t) (DMAx_CHANNEL7_RMP | DMA_RMPCR1_CH7_TIM2_CH4) /*!< Remap TIM2 channel 4 on DMA1 channel 7 */
+#define DMA1_CH7_TIM17_CH1 (uint32_t) (DMAx_CHANNEL7_RMP | DMA_RMPCR1_CH7_TIM17_CH1) /*!< Remap TIM17 channel 1 on DMA1 channel 7 */
+#define DMA1_CH7_TIM17_UP (uint32_t) (DMAx_CHANNEL7_RMP | DMA_RMPCR1_CH7_TIM17_UP) /*!< Remap TIM17 up on DMA1 channel 7 */
+#define DMA1_CH7_USART1_TX (uint32_t) (DMAx_CHANNEL7_RMP | DMA_RMPCR1_CH7_USART1_TX) /*!< Remap USART1 Tx on DMA1 channel 7 */
+#define DMA1_CH7_USART2_TX (uint32_t) (DMAx_CHANNEL7_RMP | DMA_RMPCR1_CH7_USART2_TX) /*!< Remap USART2 Tx on DMA1 channel 7 */
+#define DMA1_CH7_USART3_TX (uint32_t) (DMAx_CHANNEL7_RMP | DMA_RMPCR1_CH7_USART3_TX) /*!< Remap USART3 Tx on DMA1 channel 7 */
+#define DMA1_CH7_USART4_TX (uint32_t) (DMAx_CHANNEL7_RMP | DMA_RMPCR1_CH7_USART4_TX) /*!< Remap USART4 Tx on DMA1 channel 7 */
+#define DMA1_CH7_USART5_TX (uint32_t) (DMAx_CHANNEL7_RMP | DMA_RMPCR1_CH7_USART5_TX) /*!< Remap USART5 Tx on DMA1 channel 7 */
+#define DMA1_CH7_USART6_TX (uint32_t) (DMAx_CHANNEL7_RMP | DMA_RMPCR1_CH7_USART6_TX) /*!< Remap USART6 Tx on DMA1 channel 7 */
+#define DMA1_CH7_USART7_TX (uint32_t) (DMAx_CHANNEL7_RMP | DMA_RMPCR1_CH7_USART7_TX) /*!< Remap USART7 Tx on DMA1 channel 7 */
+#define DMA1_CH7_USART8_TX (uint32_t) (DMAx_CHANNEL7_RMP | DMA_RMPCR1_CH7_USART8_TX) /*!< Remap USART8 Tx on DMA1 channel 7 */
+
+#define IS_DMA1_REMAP(REMAP) ((REMAP == DMA1_CH1_DEFAULT) ||\
+ (REMAP == DMA1_CH1_ADC) ||\
+ (REMAP == DMA1_CH1_TIM17_CH1) ||\
+ (REMAP == DMA1_CH1_TIM17_UP) ||\
+ (REMAP == DMA1_CH1_USART1_RX) ||\
+ (REMAP == DMA1_CH1_USART2_RX) ||\
+ (REMAP == DMA1_CH1_USART3_RX) ||\
+ (REMAP == DMA1_CH1_USART4_RX) ||\
+ (REMAP == DMA1_CH1_USART5_RX) ||\
+ (REMAP == DMA1_CH1_USART6_RX) ||\
+ (REMAP == DMA1_CH1_USART7_RX) ||\
+ (REMAP == DMA1_CH1_USART8_RX) ||\
+ (REMAP == DMA1_CH2_DEFAULT) ||\
+ (REMAP == DMA1_CH2_ADC) ||\
+ (REMAP == DMA1_CH2_I2C1_TX) ||\
+ (REMAP == DMA1_CH2_SPI1_RX) ||\
+ (REMAP == DMA1_CH2_TIM1_CH1) ||\
+ (REMAP == DMA1_CH2_I2C1_TX) ||\
+ (REMAP == DMA1_CH2_TIM17_CH1) ||\
+ (REMAP == DMA1_CH2_TIM17_UP) ||\
+ (REMAP == DMA1_CH2_USART1_TX) ||\
+ (REMAP == DMA1_CH2_USART2_TX) ||\
+ (REMAP == DMA1_CH2_USART3_TX) ||\
+ (REMAP == DMA1_CH2_USART4_TX) ||\
+ (REMAP == DMA1_CH2_USART5_TX) ||\
+ (REMAP == DMA1_CH2_USART6_TX) ||\
+ (REMAP == DMA1_CH2_USART7_TX) ||\
+ (REMAP == DMA1_CH2_USART8_TX) ||\
+ (REMAP == DMA1_CH3_DEFAULT) ||\
+ (REMAP == DMA1_CH3_TIM6_UP) ||\
+ (REMAP == DMA1_CH3_DAC_CH1) ||\
+ (REMAP == DMA1_CH3_I2C1_RX) ||\
+ (REMAP == DMA1_CH3_SPI1_TX) ||\
+ (REMAP == DMA1_CH3_TIM1_CH2) ||\
+ (REMAP == DMA1_CH3_TIM2_CH2) ||\
+ (REMAP == DMA1_CH3_TIM16_CH1) ||\
+ (REMAP == DMA1_CH3_TIM16_UP) ||\
+ (REMAP == DMA1_CH3_USART1_RX) ||\
+ (REMAP == DMA1_CH3_USART2_RX) ||\
+ (REMAP == DMA1_CH3_USART3_RX) ||\
+ (REMAP == DMA1_CH3_USART4_RX) ||\
+ (REMAP == DMA1_CH3_USART5_RX) ||\
+ (REMAP == DMA1_CH3_USART6_RX) ||\
+ (REMAP == DMA1_CH3_USART7_RX) ||\
+ (REMAP == DMA1_CH3_USART8_RX) ||\
+ (REMAP == DMA1_CH4_DEFAULT) ||\
+ (REMAP == DMA1_CH4_TIM7_UP) ||\
+ (REMAP == DMA1_CH4_DAC_CH2) ||\
+ (REMAP == DMA1_CH4_I2C2_TX) ||\
+ (REMAP == DMA1_CH4_SPI2_RX) ||\
+ (REMAP == DMA1_CH4_TIM2_CH4) ||\
+ (REMAP == DMA1_CH4_TIM3_CH1) ||\
+ (REMAP == DMA1_CH4_TIM3_TRIG) ||\
+ (REMAP == DMA1_CH4_TIM16_CH1) ||\
+ (REMAP == DMA1_CH4_TIM16_UP) ||\
+ (REMAP == DMA1_CH4_USART1_TX) ||\
+ (REMAP == DMA1_CH4_USART2_TX) ||\
+ (REMAP == DMA1_CH4_USART3_TX) ||\
+ (REMAP == DMA1_CH4_USART4_TX) ||\
+ (REMAP == DMA1_CH4_USART5_TX) ||\
+ (REMAP == DMA1_CH4_USART6_TX) ||\
+ (REMAP == DMA1_CH4_USART7_TX) ||\
+ (REMAP == DMA1_CH4_USART8_TX) ||\
+ (REMAP == DMA1_CH5_DEFAULT) ||\
+ (REMAP == DMA1_CH5_I2C2_RX) ||\
+ (REMAP == DMA1_CH5_SPI2_TX) ||\
+ (REMAP == DMA1_CH5_TIM1_CH3) ||\
+ (REMAP == DMA1_CH5_USART1_RX) ||\
+ (REMAP == DMA1_CH5_USART2_RX) ||\
+ (REMAP == DMA1_CH5_USART3_RX) ||\
+ (REMAP == DMA1_CH5_USART4_RX) ||\
+ (REMAP == DMA1_CH5_USART5_RX) ||\
+ (REMAP == DMA1_CH5_USART6_RX) ||\
+ (REMAP == DMA1_CH5_USART7_RX) ||\
+ (REMAP == DMA1_CH5_USART8_RX) ||\
+ (REMAP == DMA1_CH6_DEFAULT) ||\
+ (REMAP == DMA1_CH6_I2C1_TX) ||\
+ (REMAP == DMA1_CH6_SPI2_RX) ||\
+ (REMAP == DMA1_CH6_TIM1_CH1) ||\
+ (REMAP == DMA1_CH6_TIM1_CH2) ||\
+ (REMAP == DMA1_CH6_TIM1_CH3) ||\
+ (REMAP == DMA1_CH6_TIM3_CH1) ||\
+ (REMAP == DMA1_CH6_TIM3_TRIG) ||\
+ (REMAP == DMA1_CH6_TIM16_CH1) ||\
+ (REMAP == DMA1_CH6_TIM16_UP) ||\
+ (REMAP == DMA1_CH6_USART1_RX) ||\
+ (REMAP == DMA1_CH6_USART2_RX) ||\
+ (REMAP == DMA1_CH6_USART3_RX) ||\
+ (REMAP == DMA1_CH6_USART4_RX) ||\
+ (REMAP == DMA1_CH6_USART5_RX) ||\
+ (REMAP == DMA1_CH6_USART6_RX) ||\
+ (REMAP == DMA1_CH6_USART7_RX) ||\
+ (REMAP == DMA1_CH6_USART8_RX) ||\
+ (REMAP == DMA1_CH7_DEFAULT) ||\
+ (REMAP == DMA1_CH7_I2C1_RX) ||\
+ (REMAP == DMA1_CH7_SPI2_TX) ||\
+ (REMAP == DMA1_CH7_TIM2_CH2) ||\
+ (REMAP == DMA1_CH7_TIM2_CH4) ||\
+ (REMAP == DMA1_CH7_TIM17_CH1) ||\
+ (REMAP == DMA1_CH7_TIM17_UP) ||\
+ (REMAP == DMA1_CH7_USART1_TX) ||\
+ (REMAP == DMA1_CH7_USART2_TX) ||\
+ (REMAP == DMA1_CH7_USART3_TX) ||\
+ (REMAP == DMA1_CH7_USART4_TX) ||\
+ (REMAP == DMA1_CH7_USART5_TX) ||\
+ (REMAP == DMA1_CH7_USART6_TX) ||\
+ (REMAP == DMA1_CH7_USART7_TX) ||\
+ (REMAP == DMA1_CH7_USART8_TX))
+
+/****************** DMA2 remap bit field definition********************/
+/* DMA2 - Channel 1 */
+#define DMA2_CH1_DEFAULT (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR2_DEFAULT) /*!< Default remap position for DMA2 */
+#define DMA2_CH1_I2C2_TX (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR2_CH1_I2C2_TX) /*!< Remap I2C2 TX on DMA2 channel 1 */
+#define DMA2_CH1_USART1_TX (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR2_CH1_USART1_TX) /*!< Remap USART1 Tx on DMA2 channel 1 */
+#define DMA2_CH1_USART2_TX (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR2_CH1_USART2_TX) /*!< Remap USART2 Tx on DMA2 channel 1 */
+#define DMA2_CH1_USART3_TX (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR2_CH1_USART3_TX) /*!< Remap USART3 Tx on DMA2 channel 1 */
+#define DMA2_CH1_USART4_TX (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR2_CH1_USART4_TX) /*!< Remap USART4 Tx on DMA2 channel 1 */
+#define DMA2_CH1_USART5_TX (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR2_CH1_USART5_TX) /*!< Remap USART5 Tx on DMA2 channel 1 */
+#define DMA2_CH1_USART6_TX (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR2_CH1_USART6_TX) /*!< Remap USART6 Tx on DMA2 channel 1 */
+#define DMA2_CH1_USART7_TX (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR2_CH1_USART7_TX) /*!< Remap USART7 Tx on DMA2 channel 1 */
+#define DMA2_CH1_USART8_TX (uint32_t) (DMAx_CHANNEL1_RMP | DMA_RMPCR2_CH1_USART8_TX) /*!< Remap USART8 Tx on DMA2 channel 1 */
+/* DMA2 - Channel 2 */
+#define DMA2_CH2_DEFAULT (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR2_DEFAULT) /*!< Default remap position for DMA2 */
+#define DMA2_CH2_I2C2_RX (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR2_CH2_I2C2_RX) /*!< Remap I2C2 Rx on DMA2 channel 2 */
+#define DMA2_CH2_USART1_RX (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR2_CH2_USART1_RX) /*!< Remap USART1 Rx on DMA2 channel 2 */
+#define DMA2_CH2_USART2_RX (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR2_CH2_USART2_RX) /*!< Remap USART2 Rx on DMA2 channel 2 */
+#define DMA2_CH2_USART3_RX (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR2_CH2_USART3_RX) /*!< Remap USART3 Rx on DMA2 channel 2 */
+#define DMA2_CH2_USART4_RX (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR2_CH2_USART4_RX) /*!< Remap USART4 Rx on DMA2 channel 2 */
+#define DMA2_CH2_USART5_RX (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR2_CH2_USART5_RX) /*!< Remap USART5 Rx on DMA2 channel 2 */
+#define DMA2_CH2_USART6_RX (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR2_CH2_USART6_RX) /*!< Remap USART6 Rx on DMA2 channel 2 */
+#define DMA2_CH2_USART7_RX (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR2_CH2_USART7_RX) /*!< Remap USART7 Rx on DMA2 channel 2 */
+#define DMA2_CH2_USART8_RX (uint32_t) (DMAx_CHANNEL2_RMP | DMA_RMPCR2_CH2_USART8_RX) /*!< Remap USART8 Rx on DMA2 channel 2 */
+/* DMA2 - Channel 3 */
+#define DMA2_CH3_DEFAULT (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR2_DEFAULT) /*!< Default remap position for DMA2 */
+#define DMA2_CH3_TIM6_UP (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR2_CH3_TIM6_UP) /*!< Remap TIM6 up on DMA2 channel 3 */
+#define DMA2_CH3_DAC_CH1 (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR2_CH3_DAC_CH1) /*!< Remap DAC channel 1 on DMA2 channel 3 */
+#define DMA2_CH3_SPI1_RX (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR2_CH3_SPI1_RX) /*!< Remap SPI1 Rx on DMA2 channel 3 */
+#define DMA2_CH3_USART1_RX (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR2_CH3_USART1_RX) /*!< Remap USART1 Rx on DMA2 channel 3 */
+#define DMA2_CH3_USART2_RX (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR2_CH3_USART2_RX) /*!< Remap USART2 Rx on DMA2 channel 3 */
+#define DMA2_CH3_USART3_RX (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR2_CH3_USART3_RX) /*!< Remap USART3 Rx on DMA2 channel 3 */
+#define DMA2_CH3_USART4_RX (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR2_CH3_USART4_RX) /*!< Remap USART4 Rx on DMA2 channel 3 */
+#define DMA2_CH3_USART5_RX (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR2_CH3_USART5_RX) /*!< Remap USART5 Rx on DMA2 channel 3 */
+#define DMA2_CH3_USART6_RX (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR2_CH3_USART6_RX) /*!< Remap USART6 Rx on DMA2 channel 3 */
+#define DMA2_CH3_USART7_RX (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR2_CH3_USART7_RX) /*!< Remap USART7 Rx on DMA2 channel 3 */
+#define DMA2_CH3_USART8_RX (uint32_t) (DMAx_CHANNEL3_RMP | DMA_RMPCR2_CH3_USART8_RX) /*!< Remap USART8 Rx on DMA2 channel 3 */
+/* DMA2 - Channel 4 */
+#define DMA2_CH4_DEFAULT (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR2_DEFAULT) /*!< Default remap position for DMA2 */
+#define DMA2_CH4_TIM7_UP (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR2_CH4_TIM7_UP) /*!< Remap TIM7 up on DMA2 channel 4 */
+#define DMA2_CH4_DAC_CH2 (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR2_CH4_DAC_CH2) /*!< Remap DAC channel 2 on DMA2 channel 4 */
+#define DMA2_CH4_SPI1_TX (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR2_CH4_SPI1_TX) /*!< Remap SPI1 Tx on DMA2 channel 4 */
+#define DMA2_CH4_USART1_TX (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR2_CH4_USART1_TX) /*!< Remap USART1 Tx on DMA2 channel 4 */
+#define DMA2_CH4_USART2_TX (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR2_CH4_USART2_TX) /*!< Remap USART2 Tx on DMA2 channel 4 */
+#define DMA2_CH4_USART3_TX (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR2_CH4_USART3_TX) /*!< Remap USART3 Tx on DMA2 channel 4 */
+#define DMA2_CH4_USART4_TX (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR2_CH4_USART4_TX) /*!< Remap USART4 Tx on DMA2 channel 4 */
+#define DMA2_CH4_USART5_TX (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR2_CH4_USART5_TX) /*!< Remap USART5 Tx on DMA2 channel 4 */
+#define DMA2_CH4_USART6_TX (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR2_CH4_USART6_TX) /*!< Remap USART6 Tx on DMA2 channel 4 */
+#define DMA2_CH4_USART7_TX (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR2_CH4_USART7_TX) /*!< Remap USART7 Tx on DMA2 channel 4 */
+#define DMA2_CH4_USART8_TX (uint32_t) (DMAx_CHANNEL4_RMP | DMA_RMPCR2_CH4_USART8_TX) /*!< Remap USART8 Tx on DMA2 channel 4 */
+/* DMA2 - Channel 5 */
+#define DMA2_CH5_DEFAULT (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR2_DEFAULT) /*!< Default remap position for DMA2 */
+#define DMA2_CH5_ADC (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR2_CH5_ADC) /*!< Remap ADC on DMA2 channel 5 */
+#define DMA2_CH5_USART1_TX (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR2_CH5_USART1_TX) /*!< Remap USART1 Tx on DMA2 channel 5 */
+#define DMA2_CH5_USART2_TX (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR2_CH5_USART2_TX) /*!< Remap USART2 Tx on DMA2 channel 5 */
+#define DMA2_CH5_USART3_TX (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR2_CH5_USART3_TX) /*!< Remap USART3 Tx on DMA2 channel 5 */
+#define DMA2_CH5_USART4_TX (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR2_CH5_USART4_TX) /*!< Remap USART4 Tx on DMA2 channel 5 */
+#define DMA2_CH5_USART5_TX (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR2_CH5_USART5_TX) /*!< Remap USART5 Tx on DMA2 channel 5 */
+#define DMA2_CH5_USART6_TX (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR2_CH5_USART6_TX) /*!< Remap USART6 Tx on DMA2 channel 5 */
+#define DMA2_CH5_USART7_TX (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR2_CH5_USART7_TX) /*!< Remap USART7 Tx on DMA2 channel 5 */
+#define DMA2_CH5_USART8_TX (uint32_t) (DMAx_CHANNEL5_RMP | DMA_RMPCR2_CH5_USART8_TX) /*!< Remap USART8 Tx on DMA2 channel 5 */
+
+#define IS_DMA2_REMAP(REMAP) ((REMAP == DMA2_CH1_DEFAULT) ||\
+ (REMAP == DMA2_CH1_I2C2_TX) ||\
+ (REMAP == DMA2_CH1_USART1_TX) ||\
+ (REMAP == DMA2_CH1_USART2_TX) ||\
+ (REMAP == DMA2_CH1_USART3_TX) ||\
+ (REMAP == DMA2_CH1_USART4_TX) ||\
+ (REMAP == DMA2_CH1_USART5_TX) ||\
+ (REMAP == DMA2_CH1_USART6_TX) ||\
+ (REMAP == DMA2_CH1_USART7_TX) ||\
+ (REMAP == DMA2_CH1_USART8_TX) ||\
+ (REMAP == DMA2_CH2_DEFAULT) ||\
+ (REMAP == DMA2_CH2_I2C2_RX) ||\
+ (REMAP == DMA2_CH2_USART1_RX) ||\
+ (REMAP == DMA2_CH2_USART2_RX) ||\
+ (REMAP == DMA2_CH2_USART3_RX) ||\
+ (REMAP == DMA2_CH2_USART4_RX) ||\
+ (REMAP == DMA2_CH2_USART5_RX) ||\
+ (REMAP == DMA2_CH2_USART6_RX) ||\
+ (REMAP == DMA2_CH2_USART7_RX) ||\
+ (REMAP == DMA2_CH2_USART8_RX) ||\
+ (REMAP == DMA2_CH3_DEFAULT) ||\
+ (REMAP == DMA2_CH3_TIM6_UP) ||\
+ (REMAP == DMA2_CH3_DAC_CH1) ||\
+ (REMAP == DMA2_CH3_SPI1_RX) ||\
+ (REMAP == DMA2_CH3_USART1_RX) ||\
+ (REMAP == DMA2_CH3_USART2_RX) ||\
+ (REMAP == DMA2_CH3_USART3_RX) ||\
+ (REMAP == DMA2_CH3_USART4_RX) ||\
+ (REMAP == DMA2_CH3_USART5_RX) ||\
+ (REMAP == DMA2_CH3_USART6_RX) ||\
+ (REMAP == DMA2_CH3_USART7_RX) ||\
+ (REMAP == DMA2_CH3_USART8_RX) ||\
+ (REMAP == DMA2_CH4_DEFAULT) ||\
+ (REMAP == DMA2_CH4_TIM7_UP) ||\
+ (REMAP == DMA2_CH4_DAC_CH2) ||\
+ (REMAP == DMA2_CH4_SPI1_TX) ||\
+ (REMAP == DMA2_CH4_USART1_TX) ||\
+ (REMAP == DMA2_CH4_USART2_TX) ||\
+ (REMAP == DMA2_CH4_USART3_TX) ||\
+ (REMAP == DMA2_CH4_USART4_TX) ||\
+ (REMAP == DMA2_CH4_USART5_TX) ||\
+ (REMAP == DMA2_CH4_USART6_TX) ||\
+ (REMAP == DMA2_CH4_USART7_TX) ||\
+ (REMAP == DMA2_CH4_USART8_TX) ||\
+ (REMAP == DMA2_CH5_DEFAULT) ||\
+ (REMAP == DMA2_CH5_ADC) ||\
+ (REMAP == DMA2_CH5_USART1_TX) ||\
+ (REMAP == DMA2_CH5_USART2_TX) ||\
+ (REMAP == DMA2_CH5_USART3_TX) ||\
+ (REMAP == DMA2_CH5_USART4_TX) ||\
+ (REMAP == DMA2_CH5_USART5_TX) ||\
+ (REMAP == DMA2_CH5_USART6_TX) ||\
+ (REMAP == DMA2_CH5_USART7_TX) ||\
+ (REMAP == DMA2_CH5_USART8_TX ))
+
+/**
+ * @}
+ */
+
+/** @defgroup DMA_interrupts_definition
+ * @{
+ */
+
+#define DMA_IT_TC DMA_CCR_TCIE
+#define DMA_IT_HT DMA_CCR_HTIE
+#define DMA_IT_TE DMA_CCR_TEIE
+
+#define IS_DMA_CONFIG_IT(IT) ((((IT) & 0xFFFFFFF1) == 0x00) && ((IT) != 0x00))
+
+#define DMA1_IT_GL1 DMA_ISR_GIF1
+#define DMA1_IT_TC1 DMA_ISR_TCIF1
+#define DMA1_IT_HT1 DMA_ISR_HTIF1
+#define DMA1_IT_TE1 DMA_ISR_TEIF1
+#define DMA1_IT_GL2 DMA_ISR_GIF2
+#define DMA1_IT_TC2 DMA_ISR_TCIF2
+#define DMA1_IT_HT2 DMA_ISR_HTIF2
+#define DMA1_IT_TE2 DMA_ISR_TEIF2
+#define DMA1_IT_GL3 DMA_ISR_GIF3
+#define DMA1_IT_TC3 DMA_ISR_TCIF3
+#define DMA1_IT_HT3 DMA_ISR_HTIF3
+#define DMA1_IT_TE3 DMA_ISR_TEIF3
+#define DMA1_IT_GL4 DMA_ISR_GIF4
+#define DMA1_IT_TC4 DMA_ISR_TCIF4
+#define DMA1_IT_HT4 DMA_ISR_HTIF4
+#define DMA1_IT_TE4 DMA_ISR_TEIF4
+#define DMA1_IT_GL5 DMA_ISR_GIF5
+#define DMA1_IT_TC5 DMA_ISR_TCIF5
+#define DMA1_IT_HT5 DMA_ISR_HTIF5
+#define DMA1_IT_TE5 DMA_ISR_TEIF5
+#define DMA1_IT_GL6 DMA_ISR_GIF6 /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define DMA1_IT_TC6 DMA_ISR_TCIF6 /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define DMA1_IT_HT6 DMA_ISR_HTIF6 /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define DMA1_IT_TE6 DMA_ISR_TEIF6 /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define DMA1_IT_GL7 DMA_ISR_GIF7 /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define DMA1_IT_TC7 DMA_ISR_TCIF7 /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define DMA1_IT_HT7 DMA_ISR_HTIF7 /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define DMA1_IT_TE7 DMA_ISR_TEIF7 /*!< Only applicable for STM32F072 and STM32F091 devices */
+
+#define DMA2_IT_GL1 ((uint32_t)0x10000001) /*!< Only applicable for STM32F091 devices */
+#define DMA2_IT_TC1 ((uint32_t)0x10000002) /*!< Only applicable for STM32F091 devices */
+#define DMA2_IT_HT1 ((uint32_t)0x10000004) /*!< Only applicable for STM32F091 devices */
+#define DMA2_IT_TE1 ((uint32_t)0x10000008) /*!< Only applicable for STM32F091 devices */
+#define DMA2_IT_GL2 ((uint32_t)0x10000010) /*!< Only applicable for STM32F091 devices */
+#define DMA2_IT_TC2 ((uint32_t)0x10000020) /*!< Only applicable for STM32F091 devices */
+#define DMA2_IT_HT2 ((uint32_t)0x10000040) /*!< Only applicable for STM32F091 devices */
+#define DMA2_IT_TE2 ((uint32_t)0x10000080) /*!< Only applicable for STM32F091 devices */
+#define DMA2_IT_GL3 ((uint32_t)0x10000100) /*!< Only applicable for STM32F091 devices */
+#define DMA2_IT_TC3 ((uint32_t)0x10000200) /*!< Only applicable for STM32F091 devices */
+#define DMA2_IT_HT3 ((uint32_t)0x10000400) /*!< Only applicable for STM32F091 devices */
+#define DMA2_IT_TE3 ((uint32_t)0x10000800) /*!< Only applicable for STM32F091 devices */
+#define DMA2_IT_GL4 ((uint32_t)0x10001000) /*!< Only applicable for STM32F091 devices */
+#define DMA2_IT_TC4 ((uint32_t)0x10002000) /*!< Only applicable for STM32F091 devices */
+#define DMA2_IT_HT4 ((uint32_t)0x10004000) /*!< Only applicable for STM32F091 devices */
+#define DMA2_IT_TE4 ((uint32_t)0x10008000) /*!< Only applicable for STM32F091 devices */
+#define DMA2_IT_GL5 ((uint32_t)0x10010000) /*!< Only applicable for STM32F091 devices */
+#define DMA2_IT_TC5 ((uint32_t)0x10020000) /*!< Only applicable for STM32F091 devices */
+#define DMA2_IT_HT5 ((uint32_t)0x10040000) /*!< Only applicable for STM32F091 devices */
+#define DMA2_IT_TE5 ((uint32_t)0x10080000) /*!< Only applicable for STM32F091 devices */
+
+#define IS_DMA_CLEAR_IT(IT) (((((IT) & 0xF0000000) == 0x00) || (((IT) & 0xEFF00000) == 0x00)) && ((IT) != 0x00))
+
+#define IS_DMA_GET_IT(IT) (((IT) == DMA1_IT_GL1) || ((IT) == DMA1_IT_TC1) || \
+ ((IT) == DMA1_IT_HT1) || ((IT) == DMA1_IT_TE1) || \
+ ((IT) == DMA1_IT_GL2) || ((IT) == DMA1_IT_TC2) || \
+ ((IT) == DMA1_IT_HT2) || ((IT) == DMA1_IT_TE2) || \
+ ((IT) == DMA1_IT_GL3) || ((IT) == DMA1_IT_TC3) || \
+ ((IT) == DMA1_IT_HT3) || ((IT) == DMA1_IT_TE3) || \
+ ((IT) == DMA1_IT_GL4) || ((IT) == DMA1_IT_TC4) || \
+ ((IT) == DMA1_IT_HT4) || ((IT) == DMA1_IT_TE4) || \
+ ((IT) == DMA1_IT_GL5) || ((IT) == DMA1_IT_TC5) || \
+ ((IT) == DMA1_IT_HT5) || ((IT) == DMA1_IT_TE5) || \
+ ((IT) == DMA1_IT_GL6) || ((IT) == DMA1_IT_TC6) || \
+ ((IT) == DMA1_IT_HT6) || ((IT) == DMA1_IT_TE6) || \
+ ((IT) == DMA1_IT_GL7) || ((IT) == DMA1_IT_TC7) || \
+ ((IT) == DMA1_IT_HT7) || ((IT) == DMA1_IT_TE7) || \
+ ((IT) == DMA2_IT_GL1) || ((IT) == DMA2_IT_TC1) || \
+ ((IT) == DMA2_IT_HT1) || ((IT) == DMA2_IT_TE1) || \
+ ((IT) == DMA2_IT_GL2) || ((IT) == DMA2_IT_TC2) || \
+ ((IT) == DMA2_IT_HT2) || ((IT) == DMA2_IT_TE2) || \
+ ((IT) == DMA2_IT_GL3) || ((IT) == DMA2_IT_TC3) || \
+ ((IT) == DMA2_IT_HT3) || ((IT) == DMA2_IT_TE3) || \
+ ((IT) == DMA2_IT_GL4) || ((IT) == DMA2_IT_TC4) || \
+ ((IT) == DMA2_IT_HT4) || ((IT) == DMA2_IT_TE4) || \
+ ((IT) == DMA2_IT_GL5) || ((IT) == DMA2_IT_TC5) || \
+ ((IT) == DMA2_IT_HT5) || ((IT) == DMA2_IT_TE5))
+
+/**
+ * @}
+ */
+
+/** @defgroup DMA_flags_definition
+ * @{
+ */
+#define DMA1_FLAG_GL1 DMA_ISR_GIF1
+#define DMA1_FLAG_TC1 DMA_ISR_TCIF1
+#define DMA1_FLAG_HT1 DMA_ISR_HTIF1
+#define DMA1_FLAG_TE1 DMA_ISR_TEIF1
+#define DMA1_FLAG_GL2 DMA_ISR_GIF2
+#define DMA1_FLAG_TC2 DMA_ISR_TCIF2
+#define DMA1_FLAG_HT2 DMA_ISR_HTIF2
+#define DMA1_FLAG_TE2 DMA_ISR_TEIF2
+#define DMA1_FLAG_GL3 DMA_ISR_GIF3
+#define DMA1_FLAG_TC3 DMA_ISR_TCIF3
+#define DMA1_FLAG_HT3 DMA_ISR_HTIF3
+#define DMA1_FLAG_TE3 DMA_ISR_TEIF3
+#define DMA1_FLAG_GL4 DMA_ISR_GIF4
+#define DMA1_FLAG_TC4 DMA_ISR_TCIF4
+#define DMA1_FLAG_HT4 DMA_ISR_HTIF4
+#define DMA1_FLAG_TE4 DMA_ISR_TEIF4
+#define DMA1_FLAG_GL5 DMA_ISR_GIF5
+#define DMA1_FLAG_TC5 DMA_ISR_TCIF5
+#define DMA1_FLAG_HT5 DMA_ISR_HTIF5
+#define DMA1_FLAG_TE5 DMA_ISR_TEIF5
+#define DMA1_FLAG_GL6 DMA_ISR_GIF6 /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define DMA1_FLAG_TC6 DMA_ISR_TCIF6 /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define DMA1_FLAG_HT6 DMA_ISR_HTIF6 /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define DMA1_FLAG_TE6 DMA_ISR_TEIF6 /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define DMA1_FLAG_GL7 DMA_ISR_GIF7 /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define DMA1_FLAG_TC7 DMA_ISR_TCIF7 /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define DMA1_FLAG_HT7 DMA_ISR_HTIF7 /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define DMA1_FLAG_TE7 DMA_ISR_TEIF7 /*!< Only applicable for STM32F072 and STM32F091 devices */
+
+#define DMA2_FLAG_GL1 ((uint32_t)0x10000001)
+#define DMA2_FLAG_TC1 ((uint32_t)0x10000002)
+#define DMA2_FLAG_HT1 ((uint32_t)0x10000004)
+#define DMA2_FLAG_TE1 ((uint32_t)0x10000008)
+#define DMA2_FLAG_GL2 ((uint32_t)0x10000010)
+#define DMA2_FLAG_TC2 ((uint32_t)0x10000020)
+#define DMA2_FLAG_HT2 ((uint32_t)0x10000040)
+#define DMA2_FLAG_TE2 ((uint32_t)0x10000080)
+#define DMA2_FLAG_GL3 ((uint32_t)0x10000100)
+#define DMA2_FLAG_TC3 ((uint32_t)0x10000200)
+#define DMA2_FLAG_HT3 ((uint32_t)0x10000400)
+#define DMA2_FLAG_TE3 ((uint32_t)0x10000800)
+#define DMA2_FLAG_GL4 ((uint32_t)0x10001000)
+#define DMA2_FLAG_TC4 ((uint32_t)0x10002000)
+#define DMA2_FLAG_HT4 ((uint32_t)0x10004000)
+#define DMA2_FLAG_TE4 ((uint32_t)0x10008000)
+#define DMA2_FLAG_GL5 ((uint32_t)0x10010000)
+#define DMA2_FLAG_TC5 ((uint32_t)0x10020000)
+#define DMA2_FLAG_HT5 ((uint32_t)0x10040000)
+#define DMA2_FLAG_TE5 ((uint32_t)0x10080000)
+
+#define IS_DMA_CLEAR_FLAG(FLAG) (((((FLAG) & 0xF0000000) == 0x00) || (((FLAG) & 0xEFF00000) == 0x00)) && ((FLAG) != 0x00))
+
+#define IS_DMA_GET_FLAG(FLAG) (((FLAG) == DMA1_FLAG_GL1) || ((FLAG) == DMA1_FLAG_TC1) || \
+ ((FLAG) == DMA1_FLAG_HT1) || ((FLAG) == DMA1_FLAG_TE1) || \
+ ((FLAG) == DMA1_FLAG_GL2) || ((FLAG) == DMA1_FLAG_TC2) || \
+ ((FLAG) == DMA1_FLAG_HT2) || ((FLAG) == DMA1_FLAG_TE2) || \
+ ((FLAG) == DMA1_FLAG_GL3) || ((FLAG) == DMA1_FLAG_TC3) || \
+ ((FLAG) == DMA1_FLAG_HT3) || ((FLAG) == DMA1_FLAG_TE3) || \
+ ((FLAG) == DMA1_FLAG_GL4) || ((FLAG) == DMA1_FLAG_TC4) || \
+ ((FLAG) == DMA1_FLAG_HT4) || ((FLAG) == DMA1_FLAG_TE4) || \
+ ((FLAG) == DMA1_FLAG_GL5) || ((FLAG) == DMA1_FLAG_TC5) || \
+ ((FLAG) == DMA1_FLAG_HT5) || ((FLAG) == DMA1_FLAG_TE5) || \
+ ((FLAG) == DMA1_FLAG_GL6) || ((FLAG) == DMA1_FLAG_TC6) || \
+ ((FLAG) == DMA1_FLAG_HT6) || ((FLAG) == DMA1_FLAG_TE6) || \
+ ((FLAG) == DMA1_FLAG_GL7) || ((FLAG) == DMA1_FLAG_TC7) || \
+ ((FLAG) == DMA1_FLAG_HT7) || ((FLAG) == DMA1_FLAG_TE7) || \
+ ((FLAG) == DMA2_FLAG_GL1) || ((FLAG) == DMA2_FLAG_TC1) || \
+ ((FLAG) == DMA2_FLAG_HT1) || ((FLAG) == DMA2_FLAG_TE1) || \
+ ((FLAG) == DMA2_FLAG_GL2) || ((FLAG) == DMA2_FLAG_TC2) || \
+ ((FLAG) == DMA2_FLAG_HT2) || ((FLAG) == DMA2_FLAG_TE2) || \
+ ((FLAG) == DMA2_FLAG_GL3) || ((FLAG) == DMA2_FLAG_TC3) || \
+ ((FLAG) == DMA2_FLAG_HT3) || ((FLAG) == DMA2_FLAG_TE3) || \
+ ((FLAG) == DMA2_FLAG_GL4) || ((FLAG) == DMA2_FLAG_TC4) || \
+ ((FLAG) == DMA2_FLAG_HT4) || ((FLAG) == DMA2_FLAG_TE4) || \
+ ((FLAG) == DMA2_FLAG_GL5) || ((FLAG) == DMA2_FLAG_TC5) || \
+ ((FLAG) == DMA2_FLAG_HT5) || ((FLAG) == DMA2_FLAG_TE5))
+/**
+ * @}
+ */
+
+/** @defgroup DMA_Buffer_Size
+ * @{
+ */
+
+#define IS_DMA_BUFFER_SIZE(SIZE) (((SIZE) >= 0x1) && ((SIZE) < 0x10000))
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+
+/* Function used to set the DMA configuration to the default reset state ******/
+void DMA_DeInit(DMA_Channel_TypeDef* DMAy_Channelx);
+
+/* Initialization and Configuration functions *********************************/
+void DMA_Init(DMA_Channel_TypeDef* DMAy_Channelx, DMA_InitTypeDef* DMA_InitStruct);
+void DMA_StructInit(DMA_InitTypeDef* DMA_InitStruct);
+void DMA_Cmd(DMA_Channel_TypeDef* DMAy_Channelx, FunctionalState NewState);
+void DMA_RemapConfig(DMA_TypeDef* DMAy, uint32_t DMAx_CHy_RemapRequest);
+
+/* Data Counter functions******************************************************/
+void DMA_SetCurrDataCounter(DMA_Channel_TypeDef* DMAy_Channelx, uint16_t DataNumber);
+uint16_t DMA_GetCurrDataCounter(DMA_Channel_TypeDef* DMAy_Channelx);
+
+/* Interrupts and flags management functions **********************************/
+void DMA_ITConfig(DMA_Channel_TypeDef* DMAy_Channelx, uint32_t DMA_IT, FunctionalState NewState);
+FlagStatus DMA_GetFlagStatus(uint32_t DMAy_FLAG);
+void DMA_ClearFlag(uint32_t DMAy_FLAG);
+ITStatus DMA_GetITStatus(uint32_t DMAy_IT);
+void DMA_ClearITPendingBit(uint32_t DMAy_IT);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*__STM32F0XX_DMA_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_exti.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_exti.h
new file mode 100644
index 00000000..4db573ce
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_exti.h
@@ -0,0 +1,216 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_exti.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the EXTI
+ * firmware library
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_EXTI_H
+#define __STM32F0XX_EXTI_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup EXTI
+ * @{
+ */
+/* Exported types ------------------------------------------------------------*/
+
+/**
+ * @brief EXTI mode enumeration
+ */
+
+typedef enum
+{
+ EXTI_Mode_Interrupt = 0x00,
+ EXTI_Mode_Event = 0x04
+}EXTIMode_TypeDef;
+
+#define IS_EXTI_MODE(MODE) (((MODE) == EXTI_Mode_Interrupt) || ((MODE) == EXTI_Mode_Event))
+
+/**
+ * @brief EXTI Trigger enumeration
+ */
+
+typedef enum
+{
+ EXTI_Trigger_Rising = 0x08,
+ EXTI_Trigger_Falling = 0x0C,
+ EXTI_Trigger_Rising_Falling = 0x10
+}EXTITrigger_TypeDef;
+
+#define IS_EXTI_TRIGGER(TRIGGER) (((TRIGGER) == EXTI_Trigger_Rising) || \
+ ((TRIGGER) == EXTI_Trigger_Falling) || \
+ ((TRIGGER) == EXTI_Trigger_Rising_Falling))
+/**
+ * @brief EXTI Init Structure definition
+ */
+
+typedef struct
+{
+ uint32_t EXTI_Line; /*!< Specifies the EXTI lines to be enabled or disabled.
+ This parameter can be any combination of @ref EXTI_Lines */
+
+ EXTIMode_TypeDef EXTI_Mode; /*!< Specifies the mode for the EXTI lines.
+ This parameter can be a value of @ref EXTIMode_TypeDef */
+
+ EXTITrigger_TypeDef EXTI_Trigger; /*!< Specifies the trigger signal active edge for the EXTI lines.
+ This parameter can be a value of @ref EXTIMode_TypeDef */
+
+ FunctionalState EXTI_LineCmd; /*!< Specifies the new state of the selected EXTI lines.
+ This parameter can be set either to ENABLE or DISABLE */
+}EXTI_InitTypeDef;
+
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup EXTI_Exported_Constants
+ * @{
+ */
+/** @defgroup EXTI_Lines
+ * @{
+ */
+
+#define EXTI_Line0 ((uint32_t)0x00000001) /*!< External interrupt line 0 */
+#define EXTI_Line1 ((uint32_t)0x00000002) /*!< External interrupt line 1 */
+#define EXTI_Line2 ((uint32_t)0x00000004) /*!< External interrupt line 2 */
+#define EXTI_Line3 ((uint32_t)0x00000008) /*!< External interrupt line 3 */
+#define EXTI_Line4 ((uint32_t)0x00000010) /*!< External interrupt line 4 */
+#define EXTI_Line5 ((uint32_t)0x00000020) /*!< External interrupt line 5 */
+#define EXTI_Line6 ((uint32_t)0x00000040) /*!< External interrupt line 6 */
+#define EXTI_Line7 ((uint32_t)0x00000080) /*!< External interrupt line 7 */
+#define EXTI_Line8 ((uint32_t)0x00000100) /*!< External interrupt line 8 */
+#define EXTI_Line9 ((uint32_t)0x00000200) /*!< External interrupt line 9 */
+#define EXTI_Line10 ((uint32_t)0x00000400) /*!< External interrupt line 10 */
+#define EXTI_Line11 ((uint32_t)0x00000800) /*!< External interrupt line 11 */
+#define EXTI_Line12 ((uint32_t)0x00001000) /*!< External interrupt line 12 */
+#define EXTI_Line13 ((uint32_t)0x00002000) /*!< External interrupt line 13 */
+#define EXTI_Line14 ((uint32_t)0x00004000) /*!< External interrupt line 14 */
+#define EXTI_Line15 ((uint32_t)0x00008000) /*!< External interrupt line 15 */
+#define EXTI_Line16 ((uint32_t)0x00010000) /*!< External interrupt line 16
+ Connected to the PVD Output,
+ not applicable for STM32F030 devices */
+#define EXTI_Line17 ((uint32_t)0x00020000) /*!< Internal interrupt line 17
+ Connected to the RTC Alarm
+ event */
+#define EXTI_Line18 ((uint32_t)0x00040000) /*!< Internal interrupt line 18
+ Connected to the USB
+ event, only applicable for
+ STM32F072 devices */
+#define EXTI_Line19 ((uint32_t)0x00080000) /*!< Internal interrupt line 19
+ Connected to the RTC Tamper
+ and Time Stamp events */
+#define EXTI_Line20 ((uint32_t)0x00100000) /*!< Internal interrupt line 20
+ Connected to the RTC wakeup
+ event, only applicable for
+ STM32F072 devices */
+#define EXTI_Line21 ((uint32_t)0x00200000) /*!< Internal interrupt line 21
+ Connected to the Comparator 1
+ event, only applicable for STM32F051
+ ans STM32F072 devices */
+#define EXTI_Line22 ((uint32_t)0x00400000) /*!< Internal interrupt line 22
+ Connected to the Comparator 2
+ event, only applicable for STM32F051
+ and STM32F072 devices */
+#define EXTI_Line23 ((uint32_t)0x00800000) /*!< Internal interrupt line 23
+ Connected to the I2C1 wakeup
+ event, not applicable for STM32F030 devices */
+#define EXTI_Line25 ((uint32_t)0x02000000) /*!< Internal interrupt line 25
+ Connected to the USART1 wakeup
+ event, not applicable for STM32F030 devices */
+#define EXTI_Line26 ((uint32_t)0x04000000) /*!< Internal interrupt line 26
+ Connected to the USART2 wakeup
+ event, applicable only for
+ STM32F072 devices */
+#define EXTI_Line27 ((uint32_t)0x08000000) /*!< Internal interrupt line 27
+ Connected to the CEC wakeup
+ event, applicable only for STM32F051
+ and STM32F072 devices */
+#define EXTI_Line31 ((uint32_t)0x80000000) /*!< Internal interrupt line 31
+ Connected to the VDD USB monitor
+ event, applicable only for
+ STM32F072 devices */
+#define IS_EXTI_LINE(LINE) ((((LINE) & (uint32_t)0x71000000) == 0x00) && ((LINE) != (uint16_t)0x00))
+
+#define IS_GET_EXTI_LINE(LINE) (((LINE) == EXTI_Line0) || ((LINE) == EXTI_Line1) || \
+ ((LINE) == EXTI_Line2) || ((LINE) == EXTI_Line3) || \
+ ((LINE) == EXTI_Line4) || ((LINE) == EXTI_Line5) || \
+ ((LINE) == EXTI_Line6) || ((LINE) == EXTI_Line7) || \
+ ((LINE) == EXTI_Line8) || ((LINE) == EXTI_Line9) || \
+ ((LINE) == EXTI_Line10) || ((LINE) == EXTI_Line11) || \
+ ((LINE) == EXTI_Line12) || ((LINE) == EXTI_Line13) || \
+ ((LINE) == EXTI_Line14) || ((LINE) == EXTI_Line15) || \
+ ((LINE) == EXTI_Line16) || ((LINE) == EXTI_Line17) || \
+ ((LINE) == EXTI_Line18) || ((LINE) == EXTI_Line19) || \
+ ((LINE) == EXTI_Line20) || ((LINE) == EXTI_Line21) || \
+ ((LINE) == EXTI_Line22) || ((LINE) == EXTI_Line23) || \
+ ((LINE) == EXTI_Line25) || ((LINE) == EXTI_Line26) || \
+ ((LINE) == EXTI_Line27) || ((LINE) == EXTI_Line31))
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+/* Function used to set the EXTI configuration to the default reset state *****/
+void EXTI_DeInit(void);
+
+/* Initialization and Configuration functions *********************************/
+void EXTI_Init(EXTI_InitTypeDef* EXTI_InitStruct);
+void EXTI_StructInit(EXTI_InitTypeDef* EXTI_InitStruct);
+void EXTI_GenerateSWInterrupt(uint32_t EXTI_Line);
+
+/* Interrupts and flags management functions **********************************/
+FlagStatus EXTI_GetFlagStatus(uint32_t EXTI_Line);
+void EXTI_ClearFlag(uint32_t EXTI_Line);
+ITStatus EXTI_GetITStatus(uint32_t EXTI_Line);
+void EXTI_ClearITPendingBit(uint32_t EXTI_Line);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F0XX_EXTI_H */
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_flash.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_flash.h
new file mode 100644
index 00000000..f647684a
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_flash.h
@@ -0,0 +1,435 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_flash.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the FLASH
+ * firmware library.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_FLASH_H
+#define __STM32F0XX_FLASH_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup FLASH
+ * @{
+ */
+
+/* Exported types ------------------------------------------------------------*/
+
+/**
+ * @brief FLASH Status
+ */
+typedef enum
+{
+ FLASH_BUSY = 1,
+ FLASH_ERROR_WRP,
+ FLASH_ERROR_PROGRAM,
+ FLASH_COMPLETE,
+ FLASH_TIMEOUT
+}FLASH_Status;
+
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup FLASH_Exported_Constants
+ * @{
+ */
+
+/** @defgroup FLASH_Latency
+ * @{
+ */
+#define FLASH_Latency_0 ((uint32_t)0x00000000) /*!< FLASH Zero Latency cycle */
+#define FLASH_Latency_1 FLASH_ACR_LATENCY /*!< FLASH One Latency cycle */
+
+#define IS_FLASH_LATENCY(LATENCY) (((LATENCY) == FLASH_Latency_0) || \
+ ((LATENCY) == FLASH_Latency_1))
+/**
+ * @}
+ */
+
+/** @defgroup FLASH_Interrupts
+ * @{
+ */
+
+#define FLASH_IT_EOP FLASH_CR_EOPIE /*!< End of programming interrupt source */
+#define FLASH_IT_ERR FLASH_CR_ERRIE /*!< Error interrupt source */
+#define IS_FLASH_IT(IT) ((((IT) & (uint32_t)0xFFFFEBFF) == 0x00000000) && (((IT) != 0x00000000)))
+/**
+ * @}
+ */
+
+/** @defgroup FLASH_Address
+ * @{
+ */
+#if defined(STM32F042) || defined(STM32F031) || defined(STM32F070x6) /*32K devices */
+ #define IS_FLASH_PROGRAM_ADDRESS(ADDRESS) (((ADDRESS) >= 0x08000000) && ((ADDRESS) <= 0x08007FFF))
+#elif defined(STM32F030) || defined(STM32F051) /*64K devices */
+ #define IS_FLASH_PROGRAM_ADDRESS(ADDRESS) (((ADDRESS) >= 0x08000000) && ((ADDRESS) <= 0x0800FFFF))
+#elif defined(STM32F072) || defined(STM32F070xB) /*128K devices */
+ #define IS_FLASH_PROGRAM_ADDRESS(ADDRESS) (((ADDRESS) >= 0x08000000) && ((ADDRESS) <= 0x0801FFFF))
+#else /* STM32F091 || STM32F030 || STM32F030xC */ /*256K Flash devices */
+ #define IS_FLASH_PROGRAM_ADDRESS(ADDRESS) (((ADDRESS) >= 0x08000000) && ((ADDRESS) <= 0x0800FFFF))
+#endif /* STM32F042 || STM32F031 || STM32F070x6 */
+/**
+ * @}
+ */
+
+/** @defgroup FLASH_OB_DATA_ADDRESS
+ * @{
+ */
+#define IS_OB_DATA_ADDRESS(ADDRESS) (((ADDRESS) == 0x1FFFF804) || ((ADDRESS) == 0x1FFFF806))
+
+/**
+ * @}
+ */
+
+/** @defgroup FLASH_Option_Bytes_Write_Protection
+ * @{
+ */
+
+#if !defined (STM32F072) && !defined (STM32F070xB) && !defined (STM32F091) && !defined (STM32F030) && !defined (STM32F030xC) /* 32K and 64K Flash devices */
+#define OB_WRP_Pages0to3 ((uint32_t)0x00000001) /* Write protection of page 0 to 3 */
+#define OB_WRP_Pages4to7 ((uint32_t)0x00000002) /* Write protection of page 4 to 7 */
+#define OB_WRP_Pages8to11 ((uint32_t)0x00000004) /* Write protection of page 8 to 11 */
+#define OB_WRP_Pages12to15 ((uint32_t)0x00000008) /* Write protection of page 12 to 15 */
+#define OB_WRP_Pages16to19 ((uint32_t)0x00000010) /* Write protection of page 16 to 19 */
+#define OB_WRP_Pages20to23 ((uint32_t)0x00000020) /* Write protection of page 20 to 23 */
+#define OB_WRP_Pages24to27 ((uint32_t)0x00000040) /* Write protection of page 24 to 27 */
+#define OB_WRP_Pages28to31 ((uint32_t)0x00000080) /* Write protection of page 28 to 31 */
+#define OB_WRP_Pages32to35 ((uint32_t)0x00000100) /* Write protection of page 32 to 35 */
+#define OB_WRP_Pages36to39 ((uint32_t)0x00000200) /* Write protection of page 36 to 39 */
+#define OB_WRP_Pages40to43 ((uint32_t)0x00000400) /* Write protection of page 40 to 43 */
+#define OB_WRP_Pages44to47 ((uint32_t)0x00000800) /* Write protection of page 44 to 47 */
+#define OB_WRP_Pages48to51 ((uint32_t)0x00001000) /* Write protection of page 48 to 51 */
+#define OB_WRP_Pages52to55 ((uint32_t)0x00002000) /* Write protection of page 52 to 55 */
+#define OB_WRP_Pages56to59 ((uint32_t)0x00004000) /* Write protection of page 56 to 59 */
+#define OB_WRP_Pages60to63 ((uint32_t)0x00008000) /* Write protection of page 60 to 63 */
+
+#define OB_WRP_AllPages ((uint32_t)0x0000FFFF) /*!< Write protection of all Sectors */
+
+#define IS_OB_WRP(PAGE) (((PAGE) != 0x0000000))
+
+#else /* 128K and 256K Flash devices */
+
+#define OB_WRP_Pages0to1 ((uint32_t)0x00000001) /* Write protection of page 0 to 1 */
+#define OB_WRP_Pages2to3 ((uint32_t)0x00000002) /* Write protection of page 2 to 3 */
+#define OB_WRP_Pages4to5 ((uint32_t)0x00000004) /* Write protection of page 4 to 5 */
+#define OB_WRP_Pages6to7 ((uint32_t)0x00000008) /* Write protection of page 6 to 7 */
+#define OB_WRP_Pages8to9 ((uint32_t)0x00000010) /* Write protection of page 8 to 9 */
+#define OB_WRP_Pages10to11 ((uint32_t)0x00000020) /* Write protection of page 10 to 11 */
+#define OB_WRP_Pages12to13 ((uint32_t)0x00000040) /* Write protection of page 12 to 13 */
+#define OB_WRP_Pages14to15 ((uint32_t)0x00000080) /* Write protection of page 14 to 15 */
+#define OB_WRP_Pages16to17 ((uint32_t)0x00000100) /* Write protection of page 16 to 17 */
+#define OB_WRP_Pages18to19 ((uint32_t)0x00000200) /* Write protection of page 18 to 19 */
+#define OB_WRP_Pages20to21 ((uint32_t)0x00000400) /* Write protection of page 20 to 21 */
+#define OB_WRP_Pages22to23 ((uint32_t)0x00000800) /* Write protection of page 22 to 23 */
+#define OB_WRP_Pages24to25 ((uint32_t)0x00001000) /* Write protection of page 24 to 25 */
+#define OB_WRP_Pages26to27 ((uint32_t)0x00002000) /* Write protection of page 26 to 27 */
+#define OB_WRP_Pages28to29 ((uint32_t)0x00004000) /* Write protection of page 28 to 29 */
+#define OB_WRP_Pages30to31 ((uint32_t)0x00008000) /* Write protection of page 30 to 31 */
+#define OB_WRP_Pages32to33 ((uint32_t)0x00010000) /* Write protection of page 32 to 33 */
+#define OB_WRP_Pages34to35 ((uint32_t)0x00020000) /* Write protection of page 34 to 35 */
+#define OB_WRP_Pages36to37 ((uint32_t)0x00040000) /* Write protection of page 36 to 37 */
+#define OB_WRP_Pages38to39 ((uint32_t)0x00080000) /* Write protection of page 38 to 39 */
+#define OB_WRP_Pages40to41 ((uint32_t)0x00100000) /* Write protection of page 40 to 41 */
+#define OB_WRP_Pages42to43 ((uint32_t)0x00200000) /* Write protection of page 42 to 43 */
+#define OB_WRP_Pages44to45 ((uint32_t)0x00400000) /* Write protection of page 44 to 45 */
+#define OB_WRP_Pages46to47 ((uint32_t)0x00800000) /* Write protection of page 46 to 47 */
+#define OB_WRP_Pages48to49 ((uint32_t)0x01000000) /* Write protection of page 48 to 49 */
+#define OB_WRP_Pages50to51 ((uint32_t)0x02000000) /* Write protection of page 50 to 51 */
+#define OB_WRP_Pages52to53 ((uint32_t)0x04000000) /* Write protection of page 52 to 53 */
+#define OB_WRP_Pages54to55 ((uint32_t)0x08000000) /* Write protection of page 54 to 55 */
+#define OB_WRP_Pages56to57 ((uint32_t)0x10000000) /* Write protection of page 56 to 57 */
+#define OB_WRP_Pages58to59 ((uint32_t)0x20000000) /* Write protection of page 58 to 59 */
+#define OB_WRP_Pages60to61 ((uint32_t)0x40000000) /* Write protection of page 60 to 61 */
+
+#if defined(STM32F091) || defined(STM32F030xC) /* 256K Flash devices */
+#define OB_WRP_Pages62to127 ((uint32_t)0x80000000) /* Write protection of page 62 to 127 */
+#else /* 128K Flash devices */
+#define OB_WRP_Pages62to63 ((uint32_t)0x80000000) /* Write protection of page 62 to 63 */
+#endif /* STM32F091 || STM32F030xC */
+#define OB_WRP_AllPages ((uint32_t)0xFFFFFFFF) /*!< Write protection of all Sectors */
+#define IS_OB_WRP(PAGE) (((PAGE) != 0x0000000))
+
+#endif /* STM32F072 || STM32F070xB || STM32F091 || STM32F030 || STM32F030xC */
+/**
+ * @}
+ */
+
+/** @defgroup FLASH_Option_Bytes_Read_Protection
+ * @{
+ */
+
+/**
+ * @brief FLASH_Read Protection Level
+ */
+#define OB_RDP_Level_0 ((uint8_t)0xAA)
+#define OB_RDP_Level_1 ((uint8_t)0xBB)
+/*#define OB_RDP_Level_2 ((uint8_t)0xCC)*/ /* Warning: When enabling read protection level 2
+ it's no more possible to go back to level 1 or 0 */
+
+#define IS_OB_RDP(LEVEL) (((LEVEL) == OB_RDP_Level_0)||\
+ ((LEVEL) == OB_RDP_Level_1))/*||\
+ ((LEVEL) == OB_RDP_Level_2))*/
+/**
+ * @}
+ */
+
+/** @defgroup FLASH_Option_Bytes_IWatchdog
+ * @{
+ */
+
+#define OB_IWDG_SW ((uint8_t)0x01) /*!< Software IWDG selected */
+#define OB_IWDG_HW ((uint8_t)0x00) /*!< Hardware IWDG selected */
+#define IS_OB_IWDG_SOURCE(SOURCE) (((SOURCE) == OB_IWDG_SW) || ((SOURCE) == OB_IWDG_HW))
+
+/**
+ * @}
+ */
+
+/** @defgroup FLASH_Option_Bytes_nRST_STOP
+ * @{
+ */
+
+#define OB_STOP_NoRST ((uint8_t)0x02) /*!< No reset generated when entering in STOP */
+#define OB_STOP_RST ((uint8_t)0x00) /*!< Reset generated when entering in STOP */
+#define IS_OB_STOP_SOURCE(SOURCE) (((SOURCE) == OB_STOP_NoRST) || ((SOURCE) == OB_STOP_RST))
+
+/**
+ * @}
+ */
+
+/** @defgroup FLASH_Option_Bytes_nRST_STDBY
+ * @{
+ */
+
+#define OB_STDBY_NoRST ((uint8_t)0x04) /*!< No reset generated when entering in STANDBY */
+#define OB_STDBY_RST ((uint8_t)0x00) /*!< Reset generated when entering in STANDBY */
+#define IS_OB_STDBY_SOURCE(SOURCE) (((SOURCE) == OB_STDBY_NoRST) || ((SOURCE) == OB_STDBY_RST))
+
+/**
+ * @}
+ */
+
+/** @defgroup FLASH_Option_Bytes_BOOT1
+ * @{
+ */
+
+#define OB_BOOT1_RESET ((uint8_t)0x00) /*!< BOOT1 Reset */
+#define OB_BOOT1_SET ((uint8_t)0x10) /*!< BOOT1 Set */
+#define IS_OB_BOOT1(BOOT1) (((BOOT1) == OB_BOOT1_RESET) || ((BOOT1) == OB_BOOT1_SET))
+
+/**
+ * @}
+ */
+
+/** @defgroup FLASH_Option_Bytes_BOOT0
+ * @{
+ */
+
+#define OB_BOOT0_RESET ((uint8_t)0x00) /*!< BOOT0 Reset */
+#define OB_BOOT0_SET ((uint8_t)0x08) /*!< BOOT0 Set */
+#define IS_OB_BOOT0(BOOT0) (((BOOT0) == OB_BOOT0_RESET) || ((BOOT0) == OB_BOOT0_SET))
+
+/**
+ * @}
+ */
+
+/** @defgroup FLASH_Option_Bytes_BOOT0SW
+ * @{
+ */
+
+#define OB_BOOT0_SW ((uint8_t)0x00) /*!< BOOT0 pin disabled */
+#define OB_BOOT0_HW ((uint8_t)0x80) /*!< BOOT0 pin bonded with GPIO */
+#define IS_OB_BOOT0SW(BOOT0) (((BOOT0) == OB_BOOT0_SW) || ((BOOT0) == OB_BOOT0_HW))
+
+/**
+ * @}
+ */
+
+/** @defgroup FLASH_Option_Bytes_VDDA_Analog_Monitoring
+ * @{
+ */
+
+#define OB_VDDA_ANALOG_ON ((uint8_t)0x20) /*!< Analog monitoring on VDDA Power source ON */
+#define OB_VDDA_ANALOG_OFF ((uint8_t)0x00) /*!< Analog monitoring on VDDA Power source OFF */
+
+#define IS_OB_VDDA_ANALOG(ANALOG) (((ANALOG) == OB_VDDA_ANALOG_ON) || ((ANALOG) == OB_VDDA_ANALOG_OFF))
+
+/**
+ * @}
+ */
+
+/** @defgroup FLASH_Option_Bytes_SRAM_Parity_Enable
+ * @{
+ */
+
+#define OB_SRAM_PARITY_SET ((uint8_t)0x00) /*!< SRAM parity enable Set */
+#define OB_SRAM_PARITY_RESET ((uint8_t)0x40) /*!< SRAM parity enable reset */
+
+#define IS_OB_SRAM_PARITY(PARITY) (((PARITY) == OB_SRAM_PARITY_SET) || ((PARITY) == OB_SRAM_PARITY_RESET))
+
+/**
+ * @}
+ */
+
+/** @defgroup FLASH_Flags
+ * @{
+ */
+
+#define FLASH_FLAG_BSY FLASH_SR_BSY /*!< FLASH Busy flag */
+#define FLASH_FLAG_PGERR FLASH_SR_PGERR /*!< FLASH Programming error flag */
+#define FLASH_FLAG_WRPERR FLASH_SR_WRPERR /*!< FLASH Write protected error flag */
+#define FLASH_FLAG_EOP FLASH_SR_EOP /*!< FLASH End of Programming flag */
+
+#define IS_FLASH_CLEAR_FLAG(FLAG) ((((FLAG) & (uint32_t)0xFFFFFFCB) == 0x00000000) && ((FLAG) != 0x00000000))
+
+#define IS_FLASH_GET_FLAG(FLAG) (((FLAG) == FLASH_FLAG_BSY) || ((FLAG) == FLASH_FLAG_PGERR) || \
+ ((FLAG) == FLASH_FLAG_WRPERR) || ((FLAG) == FLASH_FLAG_EOP))
+/**
+ * @}
+ */
+
+/** @defgroup FLASH_Timeout_definition
+ * @{
+ */
+#define FLASH_ER_PRG_TIMEOUT ((uint32_t)0x000B0000)
+
+/**
+ * @}
+ */
+
+/** @defgroup FLASH_Legacy
+ * @{
+ */
+#define FLASH_WRProt_Pages0to3 OB_WRP_Pages0to3
+#define FLASH_WRProt_Pages4to7 OB_WRP_Pages4to7
+#define FLASH_WRProt_Pages8to11 OB_WRP_Pages8to11
+#define FLASH_WRProt_Pages12to15 OB_WRP_Pages12to15
+#define FLASH_WRProt_Pages16to19 OB_WRP_Pages16to19
+#define FLASH_WRProt_Pages20to23 OB_WRP_Pages20to23
+#define FLASH_WRProt_Pages24to27 OB_WRP_Pages24to27
+#define FLASH_WRProt_Pages28to31 OB_WRP_Pages28to31
+#define FLASH_WRProt_Pages32to35 OB_WRP_Pages32to35
+#define FLASH_WRProt_Pages36to39 OB_WRP_Pages36to39
+#define FLASH_WRProt_Pages40to43 OB_WRP_Pages40to21
+#define FLASH_WRProt_Pages44to47 OB_WRP_Pages44to23
+#define FLASH_WRProt_Pages48to51 OB_WRP_Pages48to51
+#define FLASH_WRProt_Pages52to55 OB_WRP_Pages52to55
+#define FLASH_WRProt_Pages56to59 OB_WRP_Pages56to59
+#define FLASH_WRProt_Pages60to63 OB_WRP_Pages60to63
+
+
+#define FLASH_WRProt_AllPages OB_WRP_AllPages
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+
+/**
+ * @brief FLASH memory functions that can be executed from FLASH.
+ */
+/* FLASH Interface configuration functions ************************************/
+void FLASH_SetLatency(uint32_t FLASH_Latency);
+void FLASH_PrefetchBufferCmd(FunctionalState NewState);
+FlagStatus FLASH_GetPrefetchBufferStatus(void);
+
+/* FLASH Memory Programming functions *****************************************/
+void FLASH_Unlock(void);
+void FLASH_Lock(void);
+FLASH_Status FLASH_ErasePage(uint32_t Page_Address);
+FLASH_Status FLASH_EraseAllPages(void);
+FLASH_Status FLASH_ProgramWord(uint32_t Address, uint32_t Data);
+FLASH_Status FLASH_ProgramHalfWord(uint32_t Address, uint16_t Data);
+
+/* FLASH Option Bytes Programming functions *****************************************/
+void FLASH_OB_Unlock(void);
+void FLASH_OB_Lock(void);
+void FLASH_OB_Launch(void);
+FLASH_Status FLASH_OB_Erase(void);
+FLASH_Status FLASH_OB_EnableWRP(uint32_t OB_WRP);
+FLASH_Status FLASH_OB_RDPConfig(uint8_t OB_RDP);
+FLASH_Status FLASH_OB_UserConfig(uint8_t OB_IWDG, uint8_t OB_STOP, uint8_t OB_STDBY);
+FLASH_Status FLASH_OB_BOOTConfig(uint8_t OB_BOOT1);
+FLASH_Status FLASH_OB_BOOT0Config(uint8_t OB_BOOT0);
+FLASH_Status FLASH_OB_BOOT0SWConfig(uint8_t OB_BOOT0SW);
+FLASH_Status FLASH_OB_VDDAConfig(uint8_t OB_VDDA_ANALOG);
+FLASH_Status FLASH_OB_SRAMParityConfig(uint8_t OB_SRAM_Parity);
+FLASH_Status FLASH_OB_WriteUser(uint8_t OB_USER);
+FLASH_Status FLASH_OB_ProgramData(uint32_t Address, uint8_t Data);
+uint8_t FLASH_OB_GetUser(void);
+uint32_t FLASH_OB_GetWRP(void);
+FlagStatus FLASH_OB_GetRDP(void);
+
+/* FLASH Interrupts and flags management functions **********************************/
+void FLASH_ITConfig(uint32_t FLASH_IT, FunctionalState NewState);
+FlagStatus FLASH_GetFlagStatus(uint32_t FLASH_FLAG);
+void FLASH_ClearFlag(uint32_t FLASH_FLAG);
+FLASH_Status FLASH_GetStatus(void);
+FLASH_Status FLASH_WaitForLastOperation(uint32_t Timeout);
+
+/** @defgroup FLASH_Legacy
+ * @{
+ */
+#define FLASH_EraseOptionBytes FLASH_OB_Erase
+#define FLASH_EnableWriteProtection FLASH_OB_EnableWRP
+#define FLASH_UserOptionByteConfig FLASH_OB_UserConfig
+#define FLASH_ProgramOptionByteData FLASH_OB_ProgramData
+#define FLASH_GetUserOptionByte FLASH_OB_GetUser
+#define FLASH_GetWriteProtectionOptionByte FLASH_OB_GetWRP
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F0XX_FLASH_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_gpio.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_gpio.h
new file mode 100644
index 00000000..8a2aa9be
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_gpio.h
@@ -0,0 +1,358 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_gpio.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the GPIO
+ * firmware library.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_GPIO_H
+#define __STM32F0XX_GPIO_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup GPIO
+ * @{
+ */
+/* Exported types ------------------------------------------------------------*/
+
+#define IS_GPIO_ALL_PERIPH(PERIPH) (((PERIPH) == GPIOA) || \
+ ((PERIPH) == GPIOB) || \
+ ((PERIPH) == GPIOC) || \
+ ((PERIPH) == GPIOD) || \
+ ((PERIPH) == GPIOE) || \
+ ((PERIPH) == GPIOF))
+
+#define IS_GPIO_LIST_PERIPH(PERIPH) (((PERIPH) == GPIOA) || \
+ ((PERIPH) == GPIOB))
+
+/** @defgroup Configuration_Mode_enumeration
+ * @{
+ */
+typedef enum
+{
+ GPIO_Mode_IN = 0x00, /*!< GPIO Input Mode */
+ GPIO_Mode_OUT = 0x01, /*!< GPIO Output Mode */
+ GPIO_Mode_AF = 0x02, /*!< GPIO Alternate function Mode */
+ GPIO_Mode_AN = 0x03 /*!< GPIO Analog In/Out Mode */
+}GPIOMode_TypeDef;
+
+#define IS_GPIO_MODE(MODE) (((MODE) == GPIO_Mode_IN)|| ((MODE) == GPIO_Mode_OUT) || \
+ ((MODE) == GPIO_Mode_AF)|| ((MODE) == GPIO_Mode_AN))
+/**
+ * @}
+ */
+
+/** @defgroup Output_type_enumeration
+ * @{
+ */
+typedef enum
+{
+ GPIO_OType_PP = 0x00,
+ GPIO_OType_OD = 0x01
+}GPIOOType_TypeDef;
+
+#define IS_GPIO_OTYPE(OTYPE) (((OTYPE) == GPIO_OType_PP) || ((OTYPE) == GPIO_OType_OD))
+
+/**
+ * @}
+ */
+
+/** @defgroup Output_Maximum_frequency_enumeration
+ * @{
+ */
+typedef enum
+{
+ GPIO_Speed_Level_1 = 0x00, /*!< I/O output speed: Low 2 MHz */
+ GPIO_Speed_Level_2 = 0x01, /*!< I/O output speed: Medium 10 MHz */
+ GPIO_Speed_Level_3 = 0x03 /*!< I/O output speed: High 50 MHz */
+}GPIOSpeed_TypeDef;
+
+#define IS_GPIO_SPEED(SPEED) (((SPEED) == GPIO_Speed_Level_1) || ((SPEED) == GPIO_Speed_Level_2) || \
+ ((SPEED) == GPIO_Speed_Level_3))
+/**
+ * @}
+ */
+
+/** @defgroup Configuration_Pull-Up_Pull-Down_enumeration
+ * @{
+ */
+typedef enum
+{
+ GPIO_PuPd_NOPULL = 0x00,
+ GPIO_PuPd_UP = 0x01,
+ GPIO_PuPd_DOWN = 0x02
+}GPIOPuPd_TypeDef;
+
+#define IS_GPIO_PUPD(PUPD) (((PUPD) == GPIO_PuPd_NOPULL) || ((PUPD) == GPIO_PuPd_UP) || \
+ ((PUPD) == GPIO_PuPd_DOWN))
+/**
+ * @}
+ */
+
+/** @defgroup Bit_SET_and_Bit_RESET_enumeration
+ * @{
+ */
+typedef enum
+{
+ Bit_RESET = 0,
+ Bit_SET
+}BitAction;
+
+#define IS_GPIO_BIT_ACTION(ACTION) (((ACTION) == Bit_RESET) || ((ACTION) == Bit_SET))
+/**
+ * @}
+ */
+
+/**
+ * @brief GPIO Init structure definition
+ */
+typedef struct
+{
+ uint32_t GPIO_Pin; /*!< Specifies the GPIO pins to be configured.
+ This parameter can be any value of @ref GPIO_pins_define */
+
+ GPIOMode_TypeDef GPIO_Mode; /*!< Specifies the operating mode for the selected pins.
+ This parameter can be a value of @ref GPIOMode_TypeDef */
+
+ GPIOSpeed_TypeDef GPIO_Speed; /*!< Specifies the speed for the selected pins.
+ This parameter can be a value of @ref GPIOSpeed_TypeDef */
+
+ GPIOOType_TypeDef GPIO_OType; /*!< Specifies the operating output type for the selected pins.
+ This parameter can be a value of @ref GPIOOType_TypeDef */
+
+ GPIOPuPd_TypeDef GPIO_PuPd; /*!< Specifies the operating Pull-up/Pull down for the selected pins.
+ This parameter can be a value of @ref GPIOPuPd_TypeDef */
+}GPIO_InitTypeDef;
+
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup GPIO_Exported_Constants
+ * @{
+ */
+
+/** @defgroup GPIO_pins_define
+ * @{
+ */
+#define GPIO_Pin_0 ((uint16_t)0x0001) /*!< Pin 0 selected */
+#define GPIO_Pin_1 ((uint16_t)0x0002) /*!< Pin 1 selected */
+#define GPIO_Pin_2 ((uint16_t)0x0004) /*!< Pin 2 selected */
+#define GPIO_Pin_3 ((uint16_t)0x0008) /*!< Pin 3 selected */
+#define GPIO_Pin_4 ((uint16_t)0x0010) /*!< Pin 4 selected */
+#define GPIO_Pin_5 ((uint16_t)0x0020) /*!< Pin 5 selected */
+#define GPIO_Pin_6 ((uint16_t)0x0040) /*!< Pin 6 selected */
+#define GPIO_Pin_7 ((uint16_t)0x0080) /*!< Pin 7 selected */
+#define GPIO_Pin_8 ((uint16_t)0x0100) /*!< Pin 8 selected */
+#define GPIO_Pin_9 ((uint16_t)0x0200) /*!< Pin 9 selected */
+#define GPIO_Pin_10 ((uint16_t)0x0400) /*!< Pin 10 selected */
+#define GPIO_Pin_11 ((uint16_t)0x0800) /*!< Pin 11 selected */
+#define GPIO_Pin_12 ((uint16_t)0x1000) /*!< Pin 12 selected */
+#define GPIO_Pin_13 ((uint16_t)0x2000) /*!< Pin 13 selected */
+#define GPIO_Pin_14 ((uint16_t)0x4000) /*!< Pin 14 selected */
+#define GPIO_Pin_15 ((uint16_t)0x8000) /*!< Pin 15 selected */
+#define GPIO_Pin_All ((uint16_t)0xFFFF) /*!< All pins selected */
+
+#define IS_GPIO_PIN(PIN) ((PIN) != (uint16_t)0x00)
+
+#define IS_GET_GPIO_PIN(PIN) (((PIN) == GPIO_Pin_0) || \
+ ((PIN) == GPIO_Pin_1) || \
+ ((PIN) == GPIO_Pin_2) || \
+ ((PIN) == GPIO_Pin_3) || \
+ ((PIN) == GPIO_Pin_4) || \
+ ((PIN) == GPIO_Pin_5) || \
+ ((PIN) == GPIO_Pin_6) || \
+ ((PIN) == GPIO_Pin_7) || \
+ ((PIN) == GPIO_Pin_8) || \
+ ((PIN) == GPIO_Pin_9) || \
+ ((PIN) == GPIO_Pin_10) || \
+ ((PIN) == GPIO_Pin_11) || \
+ ((PIN) == GPIO_Pin_12) || \
+ ((PIN) == GPIO_Pin_13) || \
+ ((PIN) == GPIO_Pin_14) || \
+ ((PIN) == GPIO_Pin_15))
+
+/**
+ * @}
+ */
+
+/** @defgroup GPIO_Pin_sources
+ * @{
+ */
+#define GPIO_PinSource0 ((uint8_t)0x00)
+#define GPIO_PinSource1 ((uint8_t)0x01)
+#define GPIO_PinSource2 ((uint8_t)0x02)
+#define GPIO_PinSource3 ((uint8_t)0x03)
+#define GPIO_PinSource4 ((uint8_t)0x04)
+#define GPIO_PinSource5 ((uint8_t)0x05)
+#define GPIO_PinSource6 ((uint8_t)0x06)
+#define GPIO_PinSource7 ((uint8_t)0x07)
+#define GPIO_PinSource8 ((uint8_t)0x08)
+#define GPIO_PinSource9 ((uint8_t)0x09)
+#define GPIO_PinSource10 ((uint8_t)0x0A)
+#define GPIO_PinSource11 ((uint8_t)0x0B)
+#define GPIO_PinSource12 ((uint8_t)0x0C)
+#define GPIO_PinSource13 ((uint8_t)0x0D)
+#define GPIO_PinSource14 ((uint8_t)0x0E)
+#define GPIO_PinSource15 ((uint8_t)0x0F)
+
+#define IS_GPIO_PIN_SOURCE(PINSOURCE) (((PINSOURCE) == GPIO_PinSource0) || \
+ ((PINSOURCE) == GPIO_PinSource1) || \
+ ((PINSOURCE) == GPIO_PinSource2) || \
+ ((PINSOURCE) == GPIO_PinSource3) || \
+ ((PINSOURCE) == GPIO_PinSource4) || \
+ ((PINSOURCE) == GPIO_PinSource5) || \
+ ((PINSOURCE) == GPIO_PinSource6) || \
+ ((PINSOURCE) == GPIO_PinSource7) || \
+ ((PINSOURCE) == GPIO_PinSource8) || \
+ ((PINSOURCE) == GPIO_PinSource9) || \
+ ((PINSOURCE) == GPIO_PinSource10) || \
+ ((PINSOURCE) == GPIO_PinSource11) || \
+ ((PINSOURCE) == GPIO_PinSource12) || \
+ ((PINSOURCE) == GPIO_PinSource13) || \
+ ((PINSOURCE) == GPIO_PinSource14) || \
+ ((PINSOURCE) == GPIO_PinSource15))
+/**
+ * @}
+ */
+
+/** @defgroup GPIO_Alternate_function_selection_define
+ * @{
+ */
+
+/**
+ * @brief AF 0 selection
+ */
+#define GPIO_AF_0 ((uint8_t)0x00) /* WKUP, EVENTOUT, TIM15, SPI1, TIM17,
+ MCO, SWDAT, SWCLK, TIM14, BOOT,
+ USART1, CEC, IR_OUT, SPI2, TS, TIM3,
+ USART4, CAN, TIM3, USART2, USART3,
+ CRS, TIM16, TIM1 */
+/**
+ * @brief AF 1 selection
+ */
+#define GPIO_AF_1 ((uint8_t)0x01) /* USART2, CEC, TIM3, USART1, IR,
+ EVENTOUT, I2C1, I2C2, TIM15, SPI2,
+ USART3, TS, SPI1 */
+/**
+ * @brief AF 2 selection
+ */
+#define GPIO_AF_2 ((uint8_t)0x02) /* TIM2, TIM1, EVENTOUT, TIM16, TIM17,
+ USB */
+/**
+ * @brief AF 3 selection
+ */
+#define GPIO_AF_3 ((uint8_t)0x03) /* TS, I2C1, TIM15, EVENTOUT */
+
+/**
+ * @brief AF 4 selection
+ */
+#define GPIO_AF_4 ((uint8_t)0x04) /* TIM14, USART4, USART3, CRS, CAN,
+ I2C1 */
+
+/**
+ * @brief AF 5 selection
+ */
+#define GPIO_AF_5 ((uint8_t)0x05) /* TIM16, TIM17, TIM15, SPI2, I2C2,
+ MCO, I2C1, USB */
+
+/**
+ * @brief AF 6 selection
+ */
+#define GPIO_AF_6 ((uint8_t)0x06) /* EVENTOUT */
+/**
+ * @brief AF 7 selection
+ */
+#define GPIO_AF_7 ((uint8_t)0x07) /* COMP1 OUT and COMP2 OUT */
+
+#define IS_GPIO_AF(AF) (((AF) == GPIO_AF_0) || ((AF) == GPIO_AF_1) || \
+ ((AF) == GPIO_AF_2) || ((AF) == GPIO_AF_3) || \
+ ((AF) == GPIO_AF_4) || ((AF) == GPIO_AF_5) || \
+ ((AF) == GPIO_AF_6) || ((AF) == GPIO_AF_7))
+
+/**
+ * @}
+ */
+
+/** @defgroup GPIO_Speed_Legacy
+ * @{
+ */
+
+#define GPIO_Speed_2MHz GPIO_Speed_Level_1 /*!< I/O output speed: Low 2 MHz */
+#define GPIO_Speed_10MHz GPIO_Speed_Level_2 /*!< I/O output speed: Medium 10 MHz */
+#define GPIO_Speed_50MHz GPIO_Speed_Level_3 /*!< I/O output speed: High 50 MHz */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+/* Function used to set the GPIO configuration to the default reset state *****/
+void GPIO_DeInit(GPIO_TypeDef* GPIOx);
+
+/* Initialization and Configuration functions *********************************/
+void GPIO_Init(GPIO_TypeDef* GPIOx, GPIO_InitTypeDef* GPIO_InitStruct);
+void GPIO_StructInit(GPIO_InitTypeDef* GPIO_InitStruct);
+void GPIO_PinLockConfig(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
+
+/* GPIO Read and Write functions **********************************************/
+uint8_t GPIO_ReadInputDataBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
+uint16_t GPIO_ReadInputData(GPIO_TypeDef* GPIOx);
+uint8_t GPIO_ReadOutputDataBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
+uint16_t GPIO_ReadOutputData(GPIO_TypeDef* GPIOx);
+void GPIO_SetBits(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
+void GPIO_ResetBits(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
+void GPIO_WriteBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin, BitAction BitVal);
+void GPIO_Write(GPIO_TypeDef* GPIOx, uint16_t PortVal);
+
+/* GPIO Alternate functions configuration functions ***************************/
+void GPIO_PinAFConfig(GPIO_TypeDef* GPIOx, uint16_t GPIO_PinSource, uint8_t GPIO_AF);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F0XX_GPIO_H */
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_i2c.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_i2c.h
new file mode 100644
index 00000000..12247991
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_i2c.h
@@ -0,0 +1,478 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_i2c.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the I2C firmware
+ * library
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_I2C_H
+#define __STM32F0XX_I2C_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup I2C
+ * @{
+ */
+
+/* Exported types ------------------------------------------------------------*/
+
+/**
+ * @brief I2C Init structure definition
+ */
+
+typedef struct
+{
+ uint32_t I2C_Timing; /*!< Specifies the I2C_TIMINGR_register value.
+ This parameter must be set by referring to I2C_Timing_Config_Tool*/
+
+ uint32_t I2C_AnalogFilter; /*!< Enables or disables analog noise filter.
+ This parameter can be a value of @ref I2C_Analog_Filter*/
+
+ uint32_t I2C_DigitalFilter; /*!< Configures the digital noise filter.
+ This parameter can be a number between 0x00 and 0x0F*/
+
+ uint32_t I2C_Mode; /*!< Specifies the I2C mode.
+ This parameter can be a value of @ref I2C_mode*/
+
+ uint32_t I2C_OwnAddress1; /*!< Specifies the device own address 1.
+ This parameter can be a 7-bit or 10-bit address*/
+
+ uint32_t I2C_Ack; /*!< Enables or disables the acknowledgement.
+ This parameter can be a value of @ref I2C_acknowledgement*/
+
+ uint32_t I2C_AcknowledgedAddress; /*!< Specifies if 7-bit or 10-bit address is acknowledged.
+ This parameter can be a value of @ref I2C_acknowledged_address*/
+}I2C_InitTypeDef;
+
+/* Exported constants --------------------------------------------------------*/
+
+
+/** @defgroup I2C_Exported_Constants
+ * @{
+ */
+
+#define IS_I2C_ALL_PERIPH(PERIPH) (((PERIPH) == I2C1) || \
+ ((PERIPH) == I2C2))
+
+#define IS_I2C_1_PERIPH(PERIPH) ((PERIPH) == I2C1)
+
+/** @defgroup I2C_Analog_Filter
+ * @{
+ */
+
+#define I2C_AnalogFilter_Enable ((uint32_t)0x00000000)
+#define I2C_AnalogFilter_Disable I2C_CR1_ANFOFF
+
+#define IS_I2C_ANALOG_FILTER(FILTER) (((FILTER) == I2C_AnalogFilter_Enable) || \
+ ((FILTER) == I2C_AnalogFilter_Disable))
+/**
+ * @}
+ */
+
+/** @defgroup I2C_Digital_Filter
+ * @{
+ */
+
+#define IS_I2C_DIGITAL_FILTER(FILTER) ((FILTER) <= 0x0000000F)
+/**
+ * @}
+ */
+
+/** @defgroup I2C_mode
+ * @{
+ */
+
+#define I2C_Mode_I2C ((uint32_t)0x00000000)
+#define I2C_Mode_SMBusDevice I2C_CR1_SMBDEN
+#define I2C_Mode_SMBusHost I2C_CR1_SMBHEN
+
+#define IS_I2C_MODE(MODE) (((MODE) == I2C_Mode_I2C) || \
+ ((MODE) == I2C_Mode_SMBusDevice) || \
+ ((MODE) == I2C_Mode_SMBusHost))
+/**
+ * @}
+ */
+
+/** @defgroup I2C_acknowledgement
+ * @{
+ */
+
+#define I2C_Ack_Enable ((uint32_t)0x00000000)
+#define I2C_Ack_Disable I2C_CR2_NACK
+
+#define IS_I2C_ACK(ACK) (((ACK) == I2C_Ack_Enable) || \
+ ((ACK) == I2C_Ack_Disable))
+/**
+ * @}
+ */
+
+/** @defgroup I2C_acknowledged_address
+ * @{
+ */
+
+#define I2C_AcknowledgedAddress_7bit ((uint32_t)0x00000000)
+#define I2C_AcknowledgedAddress_10bit I2C_OAR1_OA1MODE
+
+#define IS_I2C_ACKNOWLEDGE_ADDRESS(ADDRESS) (((ADDRESS) == I2C_AcknowledgedAddress_7bit) || \
+ ((ADDRESS) == I2C_AcknowledgedAddress_10bit))
+/**
+ * @}
+ */
+
+/** @defgroup I2C_own_address1
+ * @{
+ */
+
+#define IS_I2C_OWN_ADDRESS1(ADDRESS1) ((ADDRESS1) <= (uint32_t)0x000003FF)
+/**
+ * @}
+ */
+
+/** @defgroup I2C_transfer_direction
+ * @{
+ */
+
+#define I2C_Direction_Transmitter ((uint16_t)0x0000)
+#define I2C_Direction_Receiver ((uint16_t)0x0400)
+
+#define IS_I2C_DIRECTION(DIRECTION) (((DIRECTION) == I2C_Direction_Transmitter) || \
+ ((DIRECTION) == I2C_Direction_Receiver))
+/**
+ * @}
+ */
+
+/** @defgroup I2C_DMA_transfer_requests
+ * @{
+ */
+
+#define I2C_DMAReq_Tx I2C_CR1_TXDMAEN
+#define I2C_DMAReq_Rx I2C_CR1_RXDMAEN
+
+#define IS_I2C_DMA_REQ(REQ) ((((REQ) & (uint32_t)0xFFFF3FFF) == 0x00) && ((REQ) != 0x00))
+/**
+ * @}
+ */
+
+/** @defgroup I2C_slave_address
+ * @{
+ */
+
+#define IS_I2C_SLAVE_ADDRESS(ADDRESS) ((ADDRESS) <= (uint16_t)0x03FF)
+/**
+ * @}
+ */
+
+
+/** @defgroup I2C_own_address2
+ * @{
+ */
+
+#define IS_I2C_OWN_ADDRESS2(ADDRESS2) ((ADDRESS2) <= (uint16_t)0x00FF)
+
+/**
+ * @}
+ */
+
+/** @defgroup I2C_own_address2_mask
+ * @{
+ */
+
+#define I2C_OA2_NoMask ((uint8_t)0x00)
+#define I2C_OA2_Mask01 ((uint8_t)0x01)
+#define I2C_OA2_Mask02 ((uint8_t)0x02)
+#define I2C_OA2_Mask03 ((uint8_t)0x03)
+#define I2C_OA2_Mask04 ((uint8_t)0x04)
+#define I2C_OA2_Mask05 ((uint8_t)0x05)
+#define I2C_OA2_Mask06 ((uint8_t)0x06)
+#define I2C_OA2_Mask07 ((uint8_t)0x07)
+
+#define IS_I2C_OWN_ADDRESS2_MASK(MASK) (((MASK) == I2C_OA2_NoMask) || \
+ ((MASK) == I2C_OA2_Mask01) || \
+ ((MASK) == I2C_OA2_Mask02) || \
+ ((MASK) == I2C_OA2_Mask03) || \
+ ((MASK) == I2C_OA2_Mask04) || \
+ ((MASK) == I2C_OA2_Mask05) || \
+ ((MASK) == I2C_OA2_Mask06) || \
+ ((MASK) == I2C_OA2_Mask07))
+
+/**
+ * @}
+ */
+
+/** @defgroup I2C_timeout
+ * @{
+ */
+
+#define IS_I2C_TIMEOUT(TIMEOUT) ((TIMEOUT) <= (uint16_t)0x0FFF)
+
+/**
+ * @}
+ */
+
+/** @defgroup I2C_registers
+ * @{
+ */
+
+#define I2C_Register_CR1 ((uint8_t)0x00)
+#define I2C_Register_CR2 ((uint8_t)0x04)
+#define I2C_Register_OAR1 ((uint8_t)0x08)
+#define I2C_Register_OAR2 ((uint8_t)0x0C)
+#define I2C_Register_TIMINGR ((uint8_t)0x10)
+#define I2C_Register_TIMEOUTR ((uint8_t)0x14)
+#define I2C_Register_ISR ((uint8_t)0x18)
+#define I2C_Register_ICR ((uint8_t)0x1C)
+#define I2C_Register_PECR ((uint8_t)0x20)
+#define I2C_Register_RXDR ((uint8_t)0x24)
+#define I2C_Register_TXDR ((uint8_t)0x28)
+
+#define IS_I2C_REGISTER(REGISTER) (((REGISTER) == I2C_Register_CR1) || \
+ ((REGISTER) == I2C_Register_CR2) || \
+ ((REGISTER) == I2C_Register_OAR1) || \
+ ((REGISTER) == I2C_Register_OAR2) || \
+ ((REGISTER) == I2C_Register_TIMINGR) || \
+ ((REGISTER) == I2C_Register_TIMEOUTR) || \
+ ((REGISTER) == I2C_Register_ISR) || \
+ ((REGISTER) == I2C_Register_ICR) || \
+ ((REGISTER) == I2C_Register_PECR) || \
+ ((REGISTER) == I2C_Register_RXDR) || \
+ ((REGISTER) == I2C_Register_TXDR))
+/**
+ * @}
+ */
+
+/** @defgroup I2C_interrupts_definition
+ * @{
+ */
+
+#define I2C_IT_ERRI I2C_CR1_ERRIE
+#define I2C_IT_TCI I2C_CR1_TCIE
+#define I2C_IT_STOPI I2C_CR1_STOPIE
+#define I2C_IT_NACKI I2C_CR1_NACKIE
+#define I2C_IT_ADDRI I2C_CR1_ADDRIE
+#define I2C_IT_RXI I2C_CR1_RXIE
+#define I2C_IT_TXI I2C_CR1_TXIE
+
+#define IS_I2C_CONFIG_IT(IT) ((((IT) & (uint32_t)0xFFFFFF01) == 0x00) && ((IT) != 0x00))
+
+/**
+ * @}
+ */
+
+/** @defgroup I2C_flags_definition
+ * @{
+ */
+
+#define I2C_FLAG_TXE I2C_ISR_TXE
+#define I2C_FLAG_TXIS I2C_ISR_TXIS
+#define I2C_FLAG_RXNE I2C_ISR_RXNE
+#define I2C_FLAG_ADDR I2C_ISR_ADDR
+#define I2C_FLAG_NACKF I2C_ISR_NACKF
+#define I2C_FLAG_STOPF I2C_ISR_STOPF
+#define I2C_FLAG_TC I2C_ISR_TC
+#define I2C_FLAG_TCR I2C_ISR_TCR
+#define I2C_FLAG_BERR I2C_ISR_BERR
+#define I2C_FLAG_ARLO I2C_ISR_ARLO
+#define I2C_FLAG_OVR I2C_ISR_OVR
+#define I2C_FLAG_PECERR I2C_ISR_PECERR
+#define I2C_FLAG_TIMEOUT I2C_ISR_TIMEOUT
+#define I2C_FLAG_ALERT I2C_ISR_ALERT
+#define I2C_FLAG_BUSY I2C_ISR_BUSY
+
+#define IS_I2C_CLEAR_FLAG(FLAG) ((((FLAG) & (uint32_t)0xFFFF4000) == 0x00) && ((FLAG) != 0x00))
+
+#define IS_I2C_GET_FLAG(FLAG) (((FLAG) == I2C_FLAG_TXE) || ((FLAG) == I2C_FLAG_TXIS) || \
+ ((FLAG) == I2C_FLAG_RXNE) || ((FLAG) == I2C_FLAG_ADDR) || \
+ ((FLAG) == I2C_FLAG_NACKF) || ((FLAG) == I2C_FLAG_STOPF) || \
+ ((FLAG) == I2C_FLAG_TC) || ((FLAG) == I2C_FLAG_TCR) || \
+ ((FLAG) == I2C_FLAG_BERR) || ((FLAG) == I2C_FLAG_ARLO) || \
+ ((FLAG) == I2C_FLAG_OVR) || ((FLAG) == I2C_FLAG_PECERR) || \
+ ((FLAG) == I2C_FLAG_TIMEOUT) || ((FLAG) == I2C_FLAG_ALERT) || \
+ ((FLAG) == I2C_FLAG_BUSY))
+
+/**
+ * @}
+ */
+
+
+/** @defgroup I2C_interrupts_definition
+ * @{
+ */
+
+#define I2C_IT_TXIS I2C_ISR_TXIS
+#define I2C_IT_RXNE I2C_ISR_RXNE
+#define I2C_IT_ADDR I2C_ISR_ADDR
+#define I2C_IT_NACKF I2C_ISR_NACKF
+#define I2C_IT_STOPF I2C_ISR_STOPF
+#define I2C_IT_TC I2C_ISR_TC
+#define I2C_IT_TCR I2C_ISR_TCR
+#define I2C_IT_BERR I2C_ISR_BERR
+#define I2C_IT_ARLO I2C_ISR_ARLO
+#define I2C_IT_OVR I2C_ISR_OVR
+#define I2C_IT_PECERR I2C_ISR_PECERR
+#define I2C_IT_TIMEOUT I2C_ISR_TIMEOUT
+#define I2C_IT_ALERT I2C_ISR_ALERT
+
+#define IS_I2C_CLEAR_IT(IT) ((((IT) & (uint32_t)0xFFFFC001) == 0x00) && ((IT) != 0x00))
+
+#define IS_I2C_GET_IT(IT) (((IT) == I2C_IT_TXIS) || ((IT) == I2C_IT_RXNE) || \
+ ((IT) == I2C_IT_ADDR) || ((IT) == I2C_IT_NACKF) || \
+ ((IT) == I2C_IT_STOPF) || ((IT) == I2C_IT_TC) || \
+ ((IT) == I2C_IT_TCR) || ((IT) == I2C_IT_BERR) || \
+ ((IT) == I2C_IT_ARLO) || ((IT) == I2C_IT_OVR) || \
+ ((IT) == I2C_IT_PECERR) || ((IT) == I2C_IT_TIMEOUT) || \
+ ((IT) == I2C_IT_ALERT))
+
+
+/**
+ * @}
+ */
+
+/** @defgroup I2C_ReloadEndMode_definition
+ * @{
+ */
+
+#define I2C_Reload_Mode I2C_CR2_RELOAD
+#define I2C_AutoEnd_Mode I2C_CR2_AUTOEND
+#define I2C_SoftEnd_Mode ((uint32_t)0x00000000)
+
+
+#define IS_RELOAD_END_MODE(MODE) (((MODE) == I2C_Reload_Mode) || \
+ ((MODE) == I2C_AutoEnd_Mode) || \
+ ((MODE) == I2C_SoftEnd_Mode))
+
+
+/**
+ * @}
+ */
+
+/** @defgroup I2C_StartStopMode_definition
+ * @{
+ */
+
+#define I2C_No_StartStop ((uint32_t)0x00000000)
+#define I2C_Generate_Stop I2C_CR2_STOP
+#define I2C_Generate_Start_Read (uint32_t)(I2C_CR2_START | I2C_CR2_RD_WRN)
+#define I2C_Generate_Start_Write I2C_CR2_START
+
+
+#define IS_START_STOP_MODE(MODE) (((MODE) == I2C_Generate_Stop) || \
+ ((MODE) == I2C_Generate_Start_Read) || \
+ ((MODE) == I2C_Generate_Start_Write) || \
+ ((MODE) == I2C_No_StartStop))
+
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+
+
+/* Initialization and Configuration functions *********************************/
+void I2C_DeInit(I2C_TypeDef* I2Cx);
+void I2C_Init(I2C_TypeDef* I2Cx, I2C_InitTypeDef* I2C_InitStruct);
+void I2C_StructInit(I2C_InitTypeDef* I2C_InitStruct);
+void I2C_Cmd(I2C_TypeDef* I2Cx, FunctionalState NewState);
+void I2C_SoftwareResetCmd(I2C_TypeDef* I2Cx);
+void I2C_ITConfig(I2C_TypeDef* I2Cx, uint32_t I2C_IT, FunctionalState NewState);
+void I2C_StretchClockCmd(I2C_TypeDef* I2Cx, FunctionalState NewState);
+void I2C_StopModeCmd(I2C_TypeDef* I2Cx, FunctionalState NewState); /*!< not applicable for STM32F030 devices */
+void I2C_DualAddressCmd(I2C_TypeDef* I2Cx, FunctionalState NewState);
+void I2C_OwnAddress2Config(I2C_TypeDef* I2Cx, uint16_t Address, uint8_t Mask);
+void I2C_GeneralCallCmd(I2C_TypeDef* I2Cx, FunctionalState NewState);
+void I2C_SlaveByteControlCmd(I2C_TypeDef* I2Cx, FunctionalState NewState);
+void I2C_SlaveAddressConfig(I2C_TypeDef* I2Cx, uint16_t Address);
+void I2C_10BitAddressingModeCmd(I2C_TypeDef* I2Cx, FunctionalState NewState);
+
+/* Communications handling functions ******************************************/
+void I2C_AutoEndCmd(I2C_TypeDef* I2Cx, FunctionalState NewState);
+void I2C_ReloadCmd(I2C_TypeDef* I2Cx, FunctionalState NewState);
+void I2C_NumberOfBytesConfig(I2C_TypeDef* I2Cx, uint8_t Number_Bytes);
+void I2C_MasterRequestConfig(I2C_TypeDef* I2Cx, uint16_t I2C_Direction);
+void I2C_GenerateSTART(I2C_TypeDef* I2Cx, FunctionalState NewState);
+void I2C_GenerateSTOP(I2C_TypeDef* I2Cx, FunctionalState NewState);
+void I2C_10BitAddressHeaderCmd(I2C_TypeDef* I2Cx, FunctionalState NewState);
+void I2C_AcknowledgeConfig(I2C_TypeDef* I2Cx, FunctionalState NewState);
+uint8_t I2C_GetAddressMatched(I2C_TypeDef* I2Cx);
+uint16_t I2C_GetTransferDirection(I2C_TypeDef* I2Cx);
+void I2C_TransferHandling(I2C_TypeDef* I2Cx, uint16_t Address, uint8_t Number_Bytes, uint32_t ReloadEndMode, uint32_t StartStopMode);
+
+/* SMBUS management functions ************************************************/
+void I2C_SMBusAlertCmd(I2C_TypeDef* I2Cx, FunctionalState NewState);
+void I2C_ClockTimeoutCmd(I2C_TypeDef* I2Cx, FunctionalState NewState);
+void I2C_ExtendedClockTimeoutCmd(I2C_TypeDef* I2Cx, FunctionalState NewState);
+void I2C_IdleClockTimeoutCmd(I2C_TypeDef* I2Cx, FunctionalState NewState);
+void I2C_TimeoutAConfig(I2C_TypeDef* I2Cx, uint16_t Timeout);
+void I2C_TimeoutBConfig(I2C_TypeDef* I2Cx, uint16_t Timeout);
+void I2C_CalculatePEC(I2C_TypeDef* I2Cx, FunctionalState NewState);
+void I2C_PECRequestCmd(I2C_TypeDef* I2Cx, FunctionalState NewState);
+uint8_t I2C_GetPEC(I2C_TypeDef* I2Cx);
+
+/* I2C registers management functions *****************************************/
+uint32_t I2C_ReadRegister(I2C_TypeDef* I2Cx, uint8_t I2C_Register);
+
+/* Data transfers management functions ****************************************/
+void I2C_SendData(I2C_TypeDef* I2Cx, uint8_t Data);
+uint8_t I2C_ReceiveData(I2C_TypeDef* I2Cx);
+
+/* DMA transfers management functions *****************************************/
+void I2C_DMACmd(I2C_TypeDef* I2Cx, uint32_t I2C_DMAReq, FunctionalState NewState);
+
+/* Interrupts and flags management functions **********************************/
+FlagStatus I2C_GetFlagStatus(I2C_TypeDef* I2Cx, uint32_t I2C_FLAG);
+void I2C_ClearFlag(I2C_TypeDef* I2Cx, uint32_t I2C_FLAG);
+ITStatus I2C_GetITStatus(I2C_TypeDef* I2Cx, uint32_t I2C_IT);
+void I2C_ClearITPendingBit(I2C_TypeDef* I2Cx, uint32_t I2C_IT);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*__STM32F0XX_I2C_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_iwdg.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_iwdg.h
new file mode 100644
index 00000000..e65c8ded
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_iwdg.h
@@ -0,0 +1,140 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_iwdg.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the IWDG
+ * firmware library.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_IWDG_H
+#define __STM32F0XX_IWDG_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup IWDG
+ * @{
+ */
+
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup IWDG_Exported_Constants
+ * @{
+ */
+
+/** @defgroup IWDG_WriteAccess
+ * @{
+ */
+
+#define IWDG_WriteAccess_Enable ((uint16_t)0x5555)
+#define IWDG_WriteAccess_Disable ((uint16_t)0x0000)
+#define IS_IWDG_WRITE_ACCESS(ACCESS) (((ACCESS) == IWDG_WriteAccess_Enable) || \
+ ((ACCESS) == IWDG_WriteAccess_Disable))
+/**
+ * @}
+ */
+
+/** @defgroup IWDG_prescaler
+ * @{
+ */
+
+#define IWDG_Prescaler_4 ((uint8_t)0x00)
+#define IWDG_Prescaler_8 ((uint8_t)0x01)
+#define IWDG_Prescaler_16 ((uint8_t)0x02)
+#define IWDG_Prescaler_32 ((uint8_t)0x03)
+#define IWDG_Prescaler_64 ((uint8_t)0x04)
+#define IWDG_Prescaler_128 ((uint8_t)0x05)
+#define IWDG_Prescaler_256 ((uint8_t)0x06)
+#define IS_IWDG_PRESCALER(PRESCALER) (((PRESCALER) == IWDG_Prescaler_4) || \
+ ((PRESCALER) == IWDG_Prescaler_8) || \
+ ((PRESCALER) == IWDG_Prescaler_16) || \
+ ((PRESCALER) == IWDG_Prescaler_32) || \
+ ((PRESCALER) == IWDG_Prescaler_64) || \
+ ((PRESCALER) == IWDG_Prescaler_128)|| \
+ ((PRESCALER) == IWDG_Prescaler_256))
+/**
+ * @}
+ */
+
+/** @defgroup IWDG_Flag
+ * @{
+ */
+
+#define IWDG_FLAG_PVU IWDG_SR_PVU
+#define IWDG_FLAG_RVU IWDG_SR_RVU
+#define IWDG_FLAG_WVU IWDG_SR_WVU
+#define IS_IWDG_FLAG(FLAG) (((FLAG) == IWDG_FLAG_PVU) || ((FLAG) == IWDG_FLAG_RVU) || \
+ ((FLAG) == IWDG_FLAG_WVU))
+
+#define IS_IWDG_RELOAD(RELOAD) ((RELOAD) <= 0xFFF)
+
+#define IS_IWDG_WINDOW_VALUE(VALUE) ((VALUE) <= 0xFFF)
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+
+/* Prescaler and Counter configuration functions ******************************/
+void IWDG_WriteAccessCmd(uint16_t IWDG_WriteAccess);
+void IWDG_SetPrescaler(uint8_t IWDG_Prescaler);
+void IWDG_SetReload(uint16_t Reload);
+void IWDG_ReloadCounter(void);
+void IWDG_SetWindowValue(uint16_t WindowValue);
+
+/* IWDG activation function ***************************************************/
+void IWDG_Enable(void);
+
+/* Flag management function ***************************************************/
+FlagStatus IWDG_GetFlagStatus(uint16_t IWDG_FLAG);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F0XX_IWDG_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_misc.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_misc.h
new file mode 100644
index 00000000..750dc287
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_misc.h
@@ -0,0 +1,143 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_misc.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the miscellaneous
+ * firmware library functions (add-on to CMSIS functions).
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_MISC_H
+#define __STM32F0XX_MISC_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup MISC
+ * @{
+ */
+
+/* Exported types ------------------------------------------------------------*/
+
+/**
+ * @brief NVIC Init Structure definition
+ */
+
+typedef struct
+{
+ uint8_t NVIC_IRQChannel; /*!< Specifies the IRQ channel to be enabled or disabled.
+ This parameter can be a value of @ref IRQn_Type
+ (For the complete STM32 Devices IRQ Channels list,
+ please refer to stm32f0xx.h file) */
+
+ uint8_t NVIC_IRQChannelPriority; /*!< Specifies the priority level for the IRQ channel specified
+ in NVIC_IRQChannel. This parameter can be a value
+ between 0 and 3. */
+
+ FunctionalState NVIC_IRQChannelCmd; /*!< Specifies whether the IRQ channel defined in NVIC_IRQChannel
+ will be enabled or disabled.
+ This parameter can be set either to ENABLE or DISABLE */
+} NVIC_InitTypeDef;
+
+/**
+ *
+@verbatim
+
+@endverbatim
+*/
+
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup MISC_Exported_Constants
+ * @{
+ */
+
+/** @defgroup MISC_System_Low_Power
+ * @{
+ */
+
+#define NVIC_LP_SEVONPEND ((uint8_t)0x10)
+#define NVIC_LP_SLEEPDEEP ((uint8_t)0x04)
+#define NVIC_LP_SLEEPONEXIT ((uint8_t)0x02)
+#define IS_NVIC_LP(LP) (((LP) == NVIC_LP_SEVONPEND) || \
+ ((LP) == NVIC_LP_SLEEPDEEP) || \
+ ((LP) == NVIC_LP_SLEEPONEXIT))
+/**
+ * @}
+ */
+
+/** @defgroup MISC_Preemption_Priority_Group
+ * @{
+ */
+#define IS_NVIC_PRIORITY(PRIORITY) ((PRIORITY) < 0x04)
+
+/**
+ * @}
+ */
+
+/** @defgroup MISC_SysTick_clock_source
+ * @{
+ */
+
+#define SysTick_CLKSource_HCLK_Div8 ((uint32_t)0xFFFFFFFB)
+#define SysTick_CLKSource_HCLK ((uint32_t)0x00000004)
+#define IS_SYSTICK_CLK_SOURCE(SOURCE) (((SOURCE) == SysTick_CLKSource_HCLK) || \
+ ((SOURCE) == SysTick_CLKSource_HCLK_Div8))
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+
+void NVIC_Init(NVIC_InitTypeDef* NVIC_InitStruct);
+void NVIC_SystemLPConfig(uint8_t LowPowerMode, FunctionalState NewState);
+void SysTick_CLKSourceConfig(uint32_t SysTick_CLKSource);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F0XX_MISC_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_pwr.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_pwr.h
new file mode 100644
index 00000000..7044b678
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_pwr.h
@@ -0,0 +1,197 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_pwr.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the PWR firmware
+ * library.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_PWR_H
+#define __STM32F0XX_PWR_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup PWR
+ * @{
+ */
+
+/* Exported types ------------------------------------------------------------*/
+
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup PWR_Exported_Constants
+ * @{
+ */
+
+/** @defgroup PWR_PVD_detection_level
+ * @brief This parameters are only applicable for STM32F051 and STM32F072 devices
+ * @{
+ */
+
+#define PWR_PVDLevel_0 PWR_CR_PLS_LEV0
+#define PWR_PVDLevel_1 PWR_CR_PLS_LEV1
+#define PWR_PVDLevel_2 PWR_CR_PLS_LEV2
+#define PWR_PVDLevel_3 PWR_CR_PLS_LEV3
+#define PWR_PVDLevel_4 PWR_CR_PLS_LEV4
+#define PWR_PVDLevel_5 PWR_CR_PLS_LEV5
+#define PWR_PVDLevel_6 PWR_CR_PLS_LEV6
+#define PWR_PVDLevel_7 PWR_CR_PLS_LEV7
+
+#define IS_PWR_PVD_LEVEL(LEVEL) (((LEVEL) == PWR_PVDLevel_0) || ((LEVEL) == PWR_PVDLevel_1)|| \
+ ((LEVEL) == PWR_PVDLevel_2) || ((LEVEL) == PWR_PVDLevel_3)|| \
+ ((LEVEL) == PWR_PVDLevel_4) || ((LEVEL) == PWR_PVDLevel_5)|| \
+ ((LEVEL) == PWR_PVDLevel_6) || ((LEVEL) == PWR_PVDLevel_7))
+/**
+ * @}
+ */
+
+/** @defgroup PWR_WakeUp_Pins
+ * @{
+ */
+
+#define PWR_WakeUpPin_1 PWR_CSR_EWUP1
+#define PWR_WakeUpPin_2 PWR_CSR_EWUP2
+#define PWR_WakeUpPin_3 PWR_CSR_EWUP3 /*!< only applicable for STM32F072 devices */
+#define PWR_WakeUpPin_4 PWR_CSR_EWUP4 /*!< only applicable for STM32F072 devices */
+#define PWR_WakeUpPin_5 PWR_CSR_EWUP5 /*!< only applicable for STM32F072 devices */
+#define PWR_WakeUpPin_6 PWR_CSR_EWUP6 /*!< only applicable for STM32F072 devices */
+#define PWR_WakeUpPin_7 PWR_CSR_EWUP7 /*!< only applicable for STM32F072 devices */
+#define PWR_WakeUpPin_8 PWR_CSR_EWUP8 /*!< only applicable for STM32F072 devices */
+#define IS_PWR_WAKEUP_PIN(PIN) (((PIN) == PWR_WakeUpPin_1) || ((PIN) == PWR_WakeUpPin_2) || \
+ ((PIN) == PWR_WakeUpPin_3) || ((PIN) == PWR_WakeUpPin_4) || \
+ ((PIN) == PWR_WakeUpPin_5) || ((PIN) == PWR_WakeUpPin_6) || \
+ ((PIN) == PWR_WakeUpPin_7) || ((PIN) == PWR_WakeUpPin_8))
+/**
+ * @}
+ */
+
+
+/** @defgroup PWR_Regulator_state_is_Sleep_STOP_mode
+ * @{
+ */
+
+#define PWR_Regulator_ON ((uint32_t)0x00000000)
+#define PWR_Regulator_LowPower PWR_CR_LPSDSR
+#define IS_PWR_REGULATOR(REGULATOR) (((REGULATOR) == PWR_Regulator_ON) || \
+ ((REGULATOR) == PWR_Regulator_LowPower))
+/**
+ * @}
+ */
+
+/** @defgroup PWR_SLEEP_mode_entry
+ * @{
+ */
+
+#define PWR_SLEEPEntry_WFI ((uint8_t)0x01)
+#define PWR_SLEEPEntry_WFE ((uint8_t)0x02)
+#define IS_PWR_SLEEP_ENTRY(ENTRY) (((ENTRY) == PWR_SLEEPEntry_WFI) || ((ENTRY) == PWR_SLEEPEntry_WFE))
+
+/**
+ * @}
+ */
+
+/** @defgroup PWR_STOP_mode_entry
+ * @{
+ */
+
+#define PWR_STOPEntry_WFI ((uint8_t)0x01)
+#define PWR_STOPEntry_WFE ((uint8_t)0x02)
+#define PWR_STOPEntry_SLEEPONEXIT ((uint8_t)0x03)
+#define IS_PWR_STOP_ENTRY(ENTRY) (((ENTRY) == PWR_STOPEntry_WFI) || ((ENTRY) == PWR_STOPEntry_WFE) ||\
+ ((ENTRY) == PWR_STOPEntry_SLEEPONEXIT))
+
+/**
+ * @}
+ */
+
+/** @defgroup PWR_Flag
+ * @{
+ */
+
+#define PWR_FLAG_WU PWR_CSR_WUF
+#define PWR_FLAG_SB PWR_CSR_SBF
+#define PWR_FLAG_PVDO PWR_CSR_PVDO /*!< Not applicable for STM32F030 devices */
+#define PWR_FLAG_VREFINTRDY PWR_CSR_VREFINTRDYF
+
+#define IS_PWR_GET_FLAG(FLAG) (((FLAG) == PWR_FLAG_WU) || ((FLAG) == PWR_FLAG_SB) || \
+ ((FLAG) == PWR_FLAG_PVDO) || ((FLAG) == PWR_FLAG_VREFINTRDY))
+
+#define IS_PWR_CLEAR_FLAG(FLAG) (((FLAG) == PWR_FLAG_WU) || ((FLAG) == PWR_FLAG_SB))
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+
+/* Function used to set the PWR configuration to the default reset state ******/
+void PWR_DeInit(void);
+
+/* Backup Domain Access function **********************************************/
+void PWR_BackupAccessCmd(FunctionalState NewState);
+
+/* PVD configuration functions ************************************************/
+void PWR_PVDLevelConfig(uint32_t PWR_PVDLevel); /*!< only applicable for STM32F051 and STM32F072 devices */
+void PWR_PVDCmd(FunctionalState NewState); /*!< only applicable for STM32F051 and STM32F072 devices */
+
+/* WakeUp pins configuration functions ****************************************/
+void PWR_WakeUpPinCmd(uint32_t PWR_WakeUpPin, FunctionalState NewState);
+
+/* Low Power modes configuration functions ************************************/
+void PWR_EnterSleepMode(uint8_t PWR_SLEEPEntry);
+void PWR_EnterSTOPMode(uint32_t PWR_Regulator, uint8_t PWR_STOPEntry);
+void PWR_EnterSTANDBYMode(void);
+
+/* Flags management functions *************************************************/
+FlagStatus PWR_GetFlagStatus(uint32_t PWR_FLAG);
+void PWR_ClearFlag(uint32_t PWR_FLAG);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F0XX_PWR_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_rcc.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_rcc.h
new file mode 100644
index 00000000..cf3c10a3
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_rcc.h
@@ -0,0 +1,624 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_rcc.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the RCC
+ * firmware library.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_RCC_H
+#define __STM32F0XX_RCC_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup RCC
+ * @{
+ */
+
+/* Exported types ------------------------------------------------------------*/
+
+typedef struct
+{
+ uint32_t SYSCLK_Frequency;
+ uint32_t HCLK_Frequency;
+ uint32_t PCLK_Frequency;
+ uint32_t ADCCLK_Frequency;
+ uint32_t CECCLK_Frequency;
+ uint32_t I2C1CLK_Frequency;
+ uint32_t USART1CLK_Frequency;
+ uint32_t USART2CLK_Frequency; /*!< Only applicable for STM32F072 and STM32F091 devices */
+ uint32_t USART3CLK_Frequency; /*!< Only applicable for STM32F091 devices */
+ uint32_t USBCLK_Frequency; /*!< Only applicable for STM32F072 devices */
+}RCC_ClocksTypeDef;
+
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup RCC_Exported_Constants
+ * @{
+ */
+
+/** @defgroup RCC_HSE_configuration
+ * @{
+ */
+
+#define RCC_HSE_OFF ((uint8_t)0x00)
+#define RCC_HSE_ON ((uint8_t)0x01)
+#define RCC_HSE_Bypass ((uint8_t)0x05)
+#define IS_RCC_HSE(HSE) (((HSE) == RCC_HSE_OFF) || ((HSE) == RCC_HSE_ON) || \
+ ((HSE) == RCC_HSE_Bypass))
+
+/**
+ * @}
+ */
+
+/** @defgroup RCC_PLL_Clock_Source
+ * @{
+ */
+
+#define RCC_PLLSource_HSI_Div2 RCC_CFGR_PLLSRC_HSI_Div2
+#define RCC_PLLSource_PREDIV1 RCC_CFGR_PLLSRC_HSE_PREDIV /* Old HSEPREDIV1 bit definition, maintained for legacy purpose */
+#define RCC_PLLSource_HSE RCC_CFGR_PLLSRC_HSE_PREDIV /*!< Only applicable for STM32F072 devices */
+#define RCC_PLLSource_HSI48 RCC_CFGR_PLLSRC_HSI48_PREDIV /*!< Only applicable for STM32F072 devices */
+#define RCC_PLLSource_HSI RCC_CFGR_PLLSRC_HSI_PREDIV /*!< Only applicable for STM32F072 devices */
+
+#define IS_RCC_PLL_SOURCE(SOURCE) (((SOURCE) == RCC_PLLSource_HSI_Div2) || \
+ ((SOURCE) == RCC_PLLSource_HSI48) || \
+ ((SOURCE) == RCC_PLLSource_HSI) || \
+ ((SOURCE) == RCC_PLLSource_HSE) || \
+ ((SOURCE) == RCC_PLLSource_PREDIV1))
+/**
+ * @}
+ */
+
+/** @defgroup RCC_PLL_Multiplication_Factor
+ * @{
+ */
+
+#define RCC_PLLMul_2 RCC_CFGR_PLLMULL2
+#define RCC_PLLMul_3 RCC_CFGR_PLLMULL3
+#define RCC_PLLMul_4 RCC_CFGR_PLLMULL4
+#define RCC_PLLMul_5 RCC_CFGR_PLLMULL5
+#define RCC_PLLMul_6 RCC_CFGR_PLLMULL6
+#define RCC_PLLMul_7 RCC_CFGR_PLLMULL7
+#define RCC_PLLMul_8 RCC_CFGR_PLLMULL8
+#define RCC_PLLMul_9 RCC_CFGR_PLLMULL9
+#define RCC_PLLMul_10 RCC_CFGR_PLLMULL10
+#define RCC_PLLMul_11 RCC_CFGR_PLLMULL11
+#define RCC_PLLMul_12 RCC_CFGR_PLLMULL12
+#define RCC_PLLMul_13 RCC_CFGR_PLLMULL13
+#define RCC_PLLMul_14 RCC_CFGR_PLLMULL14
+#define RCC_PLLMul_15 RCC_CFGR_PLLMULL15
+#define RCC_PLLMul_16 RCC_CFGR_PLLMULL16
+#define IS_RCC_PLL_MUL(MUL) (((MUL) == RCC_PLLMul_2) || ((MUL) == RCC_PLLMul_3) || \
+ ((MUL) == RCC_PLLMul_4) || ((MUL) == RCC_PLLMul_5) || \
+ ((MUL) == RCC_PLLMul_6) || ((MUL) == RCC_PLLMul_7) || \
+ ((MUL) == RCC_PLLMul_8) || ((MUL) == RCC_PLLMul_9) || \
+ ((MUL) == RCC_PLLMul_10) || ((MUL) == RCC_PLLMul_11) || \
+ ((MUL) == RCC_PLLMul_12) || ((MUL) == RCC_PLLMul_13) || \
+ ((MUL) == RCC_PLLMul_14) || ((MUL) == RCC_PLLMul_15) || \
+ ((MUL) == RCC_PLLMul_16))
+/**
+ * @}
+ */
+
+/** @defgroup RCC_PREDIV1_division_factor
+ * @{
+ */
+#define RCC_PREDIV1_Div1 RCC_CFGR2_PREDIV1_DIV1
+#define RCC_PREDIV1_Div2 RCC_CFGR2_PREDIV1_DIV2
+#define RCC_PREDIV1_Div3 RCC_CFGR2_PREDIV1_DIV3
+#define RCC_PREDIV1_Div4 RCC_CFGR2_PREDIV1_DIV4
+#define RCC_PREDIV1_Div5 RCC_CFGR2_PREDIV1_DIV5
+#define RCC_PREDIV1_Div6 RCC_CFGR2_PREDIV1_DIV6
+#define RCC_PREDIV1_Div7 RCC_CFGR2_PREDIV1_DIV7
+#define RCC_PREDIV1_Div8 RCC_CFGR2_PREDIV1_DIV8
+#define RCC_PREDIV1_Div9 RCC_CFGR2_PREDIV1_DIV9
+#define RCC_PREDIV1_Div10 RCC_CFGR2_PREDIV1_DIV10
+#define RCC_PREDIV1_Div11 RCC_CFGR2_PREDIV1_DIV11
+#define RCC_PREDIV1_Div12 RCC_CFGR2_PREDIV1_DIV12
+#define RCC_PREDIV1_Div13 RCC_CFGR2_PREDIV1_DIV13
+#define RCC_PREDIV1_Div14 RCC_CFGR2_PREDIV1_DIV14
+#define RCC_PREDIV1_Div15 RCC_CFGR2_PREDIV1_DIV15
+#define RCC_PREDIV1_Div16 RCC_CFGR2_PREDIV1_DIV16
+
+#define IS_RCC_PREDIV1(PREDIV1) (((PREDIV1) == RCC_PREDIV1_Div1) || ((PREDIV1) == RCC_PREDIV1_Div2) || \
+ ((PREDIV1) == RCC_PREDIV1_Div3) || ((PREDIV1) == RCC_PREDIV1_Div4) || \
+ ((PREDIV1) == RCC_PREDIV1_Div5) || ((PREDIV1) == RCC_PREDIV1_Div6) || \
+ ((PREDIV1) == RCC_PREDIV1_Div7) || ((PREDIV1) == RCC_PREDIV1_Div8) || \
+ ((PREDIV1) == RCC_PREDIV1_Div9) || ((PREDIV1) == RCC_PREDIV1_Div10) || \
+ ((PREDIV1) == RCC_PREDIV1_Div11) || ((PREDIV1) == RCC_PREDIV1_Div12) || \
+ ((PREDIV1) == RCC_PREDIV1_Div13) || ((PREDIV1) == RCC_PREDIV1_Div14) || \
+ ((PREDIV1) == RCC_PREDIV1_Div15) || ((PREDIV1) == RCC_PREDIV1_Div16))
+/**
+ * @}
+ */
+
+/** @defgroup RCC_System_Clock_Source
+ * @{
+ */
+
+#define RCC_SYSCLKSource_HSI RCC_CFGR_SW_HSI
+#define RCC_SYSCLKSource_HSE RCC_CFGR_SW_HSE
+#define RCC_SYSCLKSource_PLLCLK RCC_CFGR_SW_PLL
+#define RCC_SYSCLKSource_HSI48 RCC_CFGR_SW_HSI48 /*!< Only applicable for STM32F072 devices */
+
+#define IS_RCC_SYSCLK_SOURCE(SOURCE) (((SOURCE) == RCC_SYSCLKSource_HSI) || \
+ ((SOURCE) == RCC_SYSCLKSource_HSE) || \
+ ((SOURCE) == RCC_SYSCLKSource_HSI48) || \
+ ((SOURCE) == RCC_SYSCLKSource_PLLCLK))
+/**
+ * @}
+ */
+
+/** @defgroup RCC_AHB_Clock_Source
+ * @{
+ */
+
+#define RCC_SYSCLK_Div1 RCC_CFGR_HPRE_DIV1
+#define RCC_SYSCLK_Div2 RCC_CFGR_HPRE_DIV2
+#define RCC_SYSCLK_Div4 RCC_CFGR_HPRE_DIV4
+#define RCC_SYSCLK_Div8 RCC_CFGR_HPRE_DIV8
+#define RCC_SYSCLK_Div16 RCC_CFGR_HPRE_DIV16
+#define RCC_SYSCLK_Div64 RCC_CFGR_HPRE_DIV64
+#define RCC_SYSCLK_Div128 RCC_CFGR_HPRE_DIV128
+#define RCC_SYSCLK_Div256 RCC_CFGR_HPRE_DIV256
+#define RCC_SYSCLK_Div512 RCC_CFGR_HPRE_DIV512
+#define IS_RCC_HCLK(HCLK) (((HCLK) == RCC_SYSCLK_Div1) || ((HCLK) == RCC_SYSCLK_Div2) || \
+ ((HCLK) == RCC_SYSCLK_Div4) || ((HCLK) == RCC_SYSCLK_Div8) || \
+ ((HCLK) == RCC_SYSCLK_Div16) || ((HCLK) == RCC_SYSCLK_Div64) || \
+ ((HCLK) == RCC_SYSCLK_Div128) || ((HCLK) == RCC_SYSCLK_Div256) || \
+ ((HCLK) == RCC_SYSCLK_Div512))
+/**
+ * @}
+ */
+
+/** @defgroup RCC_APB_Clock_Source
+ * @{
+ */
+
+#define RCC_HCLK_Div1 RCC_CFGR_PPRE_DIV1
+#define RCC_HCLK_Div2 RCC_CFGR_PPRE_DIV2
+#define RCC_HCLK_Div4 RCC_CFGR_PPRE_DIV4
+#define RCC_HCLK_Div8 RCC_CFGR_PPRE_DIV8
+#define RCC_HCLK_Div16 RCC_CFGR_PPRE_DIV16
+#define IS_RCC_PCLK(PCLK) (((PCLK) == RCC_HCLK_Div1) || ((PCLK) == RCC_HCLK_Div2) || \
+ ((PCLK) == RCC_HCLK_Div4) || ((PCLK) == RCC_HCLK_Div8) || \
+ ((PCLK) == RCC_HCLK_Div16))
+/**
+ * @}
+ */
+
+/** @defgroup RCC_ADC_clock_source
+ * @{
+ */
+/* These defines are obsolete and kept for legacy purpose only.
+Proper ADC clock selection is done within ADC driver by mean of the ADC_ClockModeConfig() function */
+#define RCC_ADCCLK_HSI14 ((uint32_t)0x00000000)
+#define RCC_ADCCLK_PCLK_Div2 ((uint32_t)0x01000000)
+#define RCC_ADCCLK_PCLK_Div4 ((uint32_t)0x01004000)
+
+#define IS_RCC_ADCCLK(ADCCLK) (((ADCCLK) == RCC_ADCCLK_HSI14) || ((ADCCLK) == RCC_ADCCLK_PCLK_Div2) || \
+ ((ADCCLK) == RCC_ADCCLK_PCLK_Div4))
+
+/**
+ * @}
+ */
+
+/** @defgroup RCC_CEC_clock_source
+ * @{
+ */
+
+#define RCC_CECCLK_HSI_Div244 ((uint32_t)0x00000000)
+#define RCC_CECCLK_LSE RCC_CFGR3_CECSW
+
+#define IS_RCC_CECCLK(CECCLK) (((CECCLK) == RCC_CECCLK_HSI_Div244) || ((CECCLK) == RCC_CECCLK_LSE))
+
+/**
+ * @}
+ */
+
+/** @defgroup RCC_I2C_clock_source
+ * @{
+ */
+
+#define RCC_I2C1CLK_HSI ((uint32_t)0x00000000)
+#define RCC_I2C1CLK_SYSCLK RCC_CFGR3_I2C1SW
+
+#define IS_RCC_I2CCLK(I2CCLK) (((I2CCLK) == RCC_I2C1CLK_HSI) || ((I2CCLK) == RCC_I2C1CLK_SYSCLK))
+
+/**
+ * @}
+ */
+
+/** @defgroup RCC_USB_clock_source
+ * @brief Applicable only for STM32F072 devices
+ * @{
+ */
+
+#define RCC_USBCLK_HSI48 ((uint32_t)0x00000000)
+#define RCC_USBCLK_PLLCLK RCC_CFGR3_USBSW
+
+#define IS_RCC_USBCLK(USBCLK) (((USBCLK) == RCC_USBCLK_HSI48) || ((USBCLK) == RCC_USBCLK_PLLCLK))
+
+/**
+ * @}
+ */
+
+/** @defgroup RCC_USART_clock_source
+ * @{
+ */
+
+#define RCC_USART1CLK_PCLK ((uint32_t)0x10000000)
+#define RCC_USART1CLK_SYSCLK ((uint32_t)0x10000001)
+#define RCC_USART1CLK_LSE ((uint32_t)0x10000002)
+#define RCC_USART1CLK_HSI ((uint32_t)0x10000003)
+
+#define RCC_USART2CLK_PCLK ((uint32_t)0x20000000) /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define RCC_USART2CLK_SYSCLK ((uint32_t)0x20010000) /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define RCC_USART2CLK_LSE ((uint32_t)0x20020000) /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define RCC_USART2CLK_HSI ((uint32_t)0x20030000) /*!< Only applicable for STM32F072 and STM32F091 devices */
+
+#define RCC_USART3CLK_PCLK ((uint32_t)0x30000000) /*!< Only applicable for STM32F091 devices */
+#define RCC_USART3CLK_SYSCLK ((uint32_t)0x30040000) /*!< Only applicable for STM32F091 devices */
+#define RCC_USART3CLK_LSE ((uint32_t)0x30080000) /*!< Only applicable for STM32F091 devices */
+#define RCC_USART3CLK_HSI ((uint32_t)0x300C0000) /*!< Only applicable for STM32F091 devices */
+
+
+#define IS_RCC_USARTCLK(USARTCLK) (((USARTCLK) == RCC_USART1CLK_PCLK) || \
+ ((USARTCLK) == RCC_USART1CLK_SYSCLK) || \
+ ((USARTCLK) == RCC_USART1CLK_LSE) || \
+ ((USARTCLK) == RCC_USART1CLK_HSI) || \
+ ((USARTCLK) == RCC_USART2CLK_PCLK) || \
+ ((USARTCLK) == RCC_USART2CLK_SYSCLK) || \
+ ((USARTCLK) == RCC_USART2CLK_LSE) || \
+ ((USARTCLK) == RCC_USART2CLK_HSI)|| \
+ ((USARTCLK) == RCC_USART3CLK_PCLK) || \
+ ((USARTCLK) == RCC_USART3CLK_SYSCLK) || \
+ ((USARTCLK) == RCC_USART3CLK_LSE) || \
+ ((USARTCLK) == RCC_USART3CLK_HSI))
+
+/**
+ * @}
+ */
+
+/** @defgroup RCC_Interrupt_Source
+ * @{
+ */
+
+#define RCC_IT_LSIRDY ((uint8_t)0x01)
+#define RCC_IT_LSERDY ((uint8_t)0x02)
+#define RCC_IT_HSIRDY ((uint8_t)0x04)
+#define RCC_IT_HSERDY ((uint8_t)0x08)
+#define RCC_IT_PLLRDY ((uint8_t)0x10)
+#define RCC_IT_HSI14RDY ((uint8_t)0x20)
+#define RCC_IT_HSI48RDY ((uint8_t)0x40) /*!< Only applicable for STM32F072 devices */
+#define RCC_IT_CSS ((uint8_t)0x80)
+
+#define IS_RCC_IT(IT) ((((IT) & (uint8_t)0x80) == 0x00) && ((IT) != 0x00))
+
+#define IS_RCC_GET_IT(IT) (((IT) == RCC_IT_LSIRDY) || ((IT) == RCC_IT_LSERDY) || \
+ ((IT) == RCC_IT_HSIRDY) || ((IT) == RCC_IT_HSERDY) || \
+ ((IT) == RCC_IT_PLLRDY) || ((IT) == RCC_IT_HSI14RDY) || \
+ ((IT) == RCC_IT_CSS) || ((IT) == RCC_IT_HSI48RDY))
+
+#define IS_RCC_CLEAR_IT(IT) ((IT) != 0x00)
+
+/**
+ * @}
+ */
+
+/** @defgroup RCC_LSE_Configuration
+ * @{
+ */
+
+#define RCC_LSE_OFF ((uint32_t)0x00000000)
+#define RCC_LSE_ON RCC_BDCR_LSEON
+#define RCC_LSE_Bypass ((uint32_t)(RCC_BDCR_LSEON | RCC_BDCR_LSEBYP))
+#define IS_RCC_LSE(LSE) (((LSE) == RCC_LSE_OFF) || ((LSE) == RCC_LSE_ON) || \
+ ((LSE) == RCC_LSE_Bypass))
+/**
+ * @}
+ */
+
+/** @defgroup RCC_RTC_Clock_Source
+ * @{
+ */
+
+#define RCC_RTCCLKSource_LSE RCC_BDCR_RTCSEL_LSE
+#define RCC_RTCCLKSource_LSI RCC_BDCR_RTCSEL_LSI
+#define RCC_RTCCLKSource_HSE_Div32 RCC_BDCR_RTCSEL_HSE
+
+#define IS_RCC_RTCCLK_SOURCE(SOURCE) (((SOURCE) == RCC_RTCCLKSource_LSE) || \
+ ((SOURCE) == RCC_RTCCLKSource_LSI) || \
+ ((SOURCE) == RCC_RTCCLKSource_HSE_Div32))
+/**
+ * @}
+ */
+
+/** @defgroup RCC_LSE_Drive_Configuration
+ * @{
+ */
+
+#define RCC_LSEDrive_Low ((uint32_t)0x00000000)
+#define RCC_LSEDrive_MediumLow RCC_BDCR_LSEDRV_0
+#define RCC_LSEDrive_MediumHigh RCC_BDCR_LSEDRV_1
+#define RCC_LSEDrive_High RCC_BDCR_LSEDRV
+#define IS_RCC_LSE_DRIVE(DRIVE) (((DRIVE) == RCC_LSEDrive_Low) || ((DRIVE) == RCC_LSEDrive_MediumLow) || \
+ ((DRIVE) == RCC_LSEDrive_MediumHigh) || ((DRIVE) == RCC_LSEDrive_High))
+/**
+ * @}
+ */
+
+/** @defgroup RCC_AHB_Peripherals
+ * @{
+ */
+
+#define RCC_AHBPeriph_GPIOA RCC_AHBENR_GPIOAEN
+#define RCC_AHBPeriph_GPIOB RCC_AHBENR_GPIOBEN
+#define RCC_AHBPeriph_GPIOC RCC_AHBENR_GPIOCEN
+#define RCC_AHBPeriph_GPIOD RCC_AHBENR_GPIODEN
+#define RCC_AHBPeriph_GPIOE RCC_AHBENR_GPIOEEN /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define RCC_AHBPeriph_GPIOF RCC_AHBENR_GPIOFEN
+#define RCC_AHBPeriph_TS RCC_AHBENR_TSEN
+#define RCC_AHBPeriph_CRC RCC_AHBENR_CRCEN
+#define RCC_AHBPeriph_FLITF RCC_AHBENR_FLITFEN
+#define RCC_AHBPeriph_SRAM RCC_AHBENR_SRAMEN
+#define RCC_AHBPeriph_DMA1 RCC_AHBENR_DMA1EN
+#define RCC_AHBPeriph_DMA2 RCC_AHBENR_DMA2EN
+
+#define IS_RCC_AHB_PERIPH(PERIPH) ((((PERIPH) & 0xFE81FFA8) == 0x00) && ((PERIPH) != 0x00))
+#define IS_RCC_AHB_RST_PERIPH(PERIPH) ((((PERIPH) & 0xFE81FFA8) == 0x00) && ((PERIPH) != 0x00))
+
+/**
+ * @}
+ */
+
+/** @defgroup RCC_APB2_Peripherals
+ * @{
+ */
+
+#define RCC_APB2Periph_SYSCFG RCC_APB2ENR_SYSCFGEN
+#define RCC_APB2Periph_USART6 RCC_APB2ENR_USART6EN
+#define RCC_APB2Periph_USART7 RCC_APB2ENR_USART7EN
+#define RCC_APB2Periph_USART8 RCC_APB2ENR_USART8EN
+#define RCC_APB2Periph_ADC1 RCC_APB2ENR_ADC1EN
+#define RCC_APB2Periph_TIM1 RCC_APB2ENR_TIM1EN
+#define RCC_APB2Periph_SPI1 RCC_APB2ENR_SPI1EN
+#define RCC_APB2Periph_USART1 RCC_APB2ENR_USART1EN
+#define RCC_APB2Periph_TIM15 RCC_APB2ENR_TIM15EN
+#define RCC_APB2Periph_TIM16 RCC_APB2ENR_TIM16EN
+#define RCC_APB2Periph_TIM17 RCC_APB2ENR_TIM17EN
+#define RCC_APB2Periph_DBGMCU RCC_APB2ENR_DBGMCUEN
+
+#define IS_RCC_APB2_PERIPH(PERIPH) ((((PERIPH) & 0xFFB8A51E) == 0x00) && ((PERIPH) != 0x00))
+
+/**
+ * @}
+ */
+
+/** @defgroup RCC_APB1_Peripherals
+ * @{
+ */
+
+#define RCC_APB1Periph_TIM2 RCC_APB1ENR_TIM2EN /*!< Only applicable for STM32F051, STM32F072 and STM32F091 devices */
+#define RCC_APB1Periph_TIM3 RCC_APB1ENR_TIM3EN
+#define RCC_APB1Periph_TIM6 RCC_APB1ENR_TIM6EN
+#define RCC_APB1Periph_TIM7 RCC_APB1ENR_TIM7EN /*!< Only applicable for STM32F072 devices */
+#define RCC_APB1Periph_TIM14 RCC_APB1ENR_TIM14EN
+#define RCC_APB1Periph_WWDG RCC_APB1ENR_WWDGEN
+#define RCC_APB1Periph_SPI2 RCC_APB1ENR_SPI2EN
+#define RCC_APB1Periph_USART2 RCC_APB1ENR_USART2EN
+#define RCC_APB1Periph_USART3 RCC_APB1ENR_USART3EN /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define RCC_APB1Periph_USART4 RCC_APB1ENR_USART4EN /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define RCC_APB1Periph_USART5 RCC_APB1ENR_USART5EN /*!< Only applicable for STM32F091 devices */
+#define RCC_APB1Periph_I2C1 RCC_APB1ENR_I2C1EN
+#define RCC_APB1Periph_I2C2 RCC_APB1ENR_I2C2EN
+#define RCC_APB1Periph_USB RCC_APB1ENR_USBEN /*!< Only applicable for STM32F072 and STM32F042 devices */
+#define RCC_APB1Periph_CAN RCC_APB1ENR_CANEN /*!< Only applicable for STM32F072, STM32F042 and STM32F091 devices */
+#define RCC_APB1Periph_CRS RCC_APB1ENR_CRSEN /*!< Only applicable for STM32F072, STM32F042 and STM32F091 devices */
+#define RCC_APB1Periph_PWR RCC_APB1ENR_PWREN
+#define RCC_APB1Periph_DAC RCC_APB1ENR_DACEN /*!< Only applicable for STM32F051, STM32F072 and STM32F091 devices */
+#define RCC_APB1Periph_CEC RCC_APB1ENR_CECEN /*!< Only applicable for STM32F051, STM32F042, STM32F072 and STM32F091 devices */
+
+#define IS_RCC_APB1_PERIPH(PERIPH) ((((PERIPH) & 0x8581B6CC) == 0x00) && ((PERIPH) != 0x00))
+/**
+ * @}
+ */
+
+/** @defgroup RCC_MCO_Clock_Source
+ * @{
+ */
+
+#define RCC_MCOSource_NoClock ((uint8_t)0x00)
+#define RCC_MCOSource_HSI14 ((uint8_t)0x01)
+#define RCC_MCOSource_LSI ((uint8_t)0x02)
+#define RCC_MCOSource_LSE ((uint8_t)0x03)
+#define RCC_MCOSource_SYSCLK ((uint8_t)0x04)
+#define RCC_MCOSource_HSI ((uint8_t)0x05)
+#define RCC_MCOSource_HSE ((uint8_t)0x06)
+#define RCC_MCOSource_PLLCLK_Div2 ((uint8_t)0x07)
+#define RCC_MCOSource_HSI48 ((uint8_t)0x08) /*!< Only applicable for STM32F072 devices */
+#define RCC_MCOSource_PLLCLK ((uint8_t)0x87)
+
+#define IS_RCC_MCO_SOURCE(SOURCE) (((SOURCE) == RCC_MCOSource_NoClock) || ((SOURCE) == RCC_MCOSource_HSI14) || \
+ ((SOURCE) == RCC_MCOSource_SYSCLK) || ((SOURCE) == RCC_MCOSource_HSI) || \
+ ((SOURCE) == RCC_MCOSource_HSE) || ((SOURCE) == RCC_MCOSource_PLLCLK_Div2)|| \
+ ((SOURCE) == RCC_MCOSource_LSI) || ((SOURCE) == RCC_MCOSource_HSI48) || \
+ ((SOURCE) == RCC_MCOSource_PLLCLK) || ((SOURCE) == RCC_MCOSource_LSE))
+/**
+ * @}
+ */
+
+/** @defgroup RCC_MCOPrescaler
+ * @{
+ */
+#if !defined (STM32F051)
+#define RCC_MCOPrescaler_1 RCC_CFGR_MCO_PRE_1
+#define RCC_MCOPrescaler_2 RCC_CFGR_MCO_PRE_2
+#define RCC_MCOPrescaler_4 RCC_CFGR_MCO_PRE_4
+#define RCC_MCOPrescaler_8 RCC_CFGR_MCO_PRE_8
+#define RCC_MCOPrescaler_16 RCC_CFGR_MCO_PRE_16
+#define RCC_MCOPrescaler_32 RCC_CFGR_MCO_PRE_32
+#define RCC_MCOPrescaler_64 RCC_CFGR_MCO_PRE_64
+#define RCC_MCOPrescaler_128 RCC_CFGR_MCO_PRE_128
+
+#define IS_RCC_MCO_PRESCALER(PRESCALER) (((PRESCALER) == RCC_MCOPrescaler_1) || \
+ ((PRESCALER) == RCC_MCOPrescaler_2) || \
+ ((PRESCALER) == RCC_MCOPrescaler_4) || \
+ ((PRESCALER) == RCC_MCOPrescaler_8) || \
+ ((PRESCALER) == RCC_MCOPrescaler_16) || \
+ ((PRESCALER) == RCC_MCOPrescaler_32) || \
+ ((PRESCALER) == RCC_MCOPrescaler_64) || \
+ ((PRESCALER) == RCC_MCOPrescaler_128))
+#endif /* STM32F051 */
+/**
+ * @}
+ */
+
+/** @defgroup RCC_Flag
+ * @{
+ */
+#define RCC_FLAG_HSIRDY ((uint8_t)0x01)
+#define RCC_FLAG_HSERDY ((uint8_t)0x11)
+#define RCC_FLAG_PLLRDY ((uint8_t)0x19)
+#define RCC_FLAG_LSERDY ((uint8_t)0x21)
+#define RCC_FLAG_LSIRDY ((uint8_t)0x41)
+#define RCC_FLAG_V18PWRRSTF ((uint8_t)0x57)
+#define RCC_FLAG_OBLRST ((uint8_t)0x59)
+#define RCC_FLAG_PINRST ((uint8_t)0x5A)
+#define RCC_FLAG_PORRST ((uint8_t)0x5B)
+#define RCC_FLAG_SFTRST ((uint8_t)0x5C)
+#define RCC_FLAG_IWDGRST ((uint8_t)0x5D)
+#define RCC_FLAG_WWDGRST ((uint8_t)0x5E)
+#define RCC_FLAG_LPWRRST ((uint8_t)0x5F)
+#define RCC_FLAG_HSI14RDY ((uint8_t)0x61)
+#define RCC_FLAG_HSI48RDY ((uint8_t)0x71) /*!< Only applicable for STM32F072 devices */
+
+#define IS_RCC_FLAG(FLAG) (((FLAG) == RCC_FLAG_HSIRDY) || ((FLAG) == RCC_FLAG_HSERDY) || \
+ ((FLAG) == RCC_FLAG_PLLRDY) || ((FLAG) == RCC_FLAG_LSERDY) || \
+ ((FLAG) == RCC_FLAG_LSIRDY) || ((FLAG) == RCC_FLAG_OBLRST) || \
+ ((FLAG) == RCC_FLAG_PINRST) || ((FLAG) == RCC_FLAG_PORRST) || \
+ ((FLAG) == RCC_FLAG_SFTRST) || ((FLAG) == RCC_FLAG_IWDGRST) || \
+ ((FLAG) == RCC_FLAG_WWDGRST) || ((FLAG) == RCC_FLAG_LPWRRST) || \
+ ((FLAG) == RCC_FLAG_HSI14RDY)|| ((FLAG) == RCC_FLAG_HSI48RDY)|| \
+ ((FLAG) == RCC_FLAG_V18PWRRSTF))
+
+#define IS_RCC_HSI_CALIBRATION_VALUE(VALUE) ((VALUE) <= 0x1F)
+#define IS_RCC_HSI14_CALIBRATION_VALUE(VALUE) ((VALUE) <= 0x1F)
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+
+/* Function used to set the RCC clock configuration to the default reset state */
+void RCC_DeInit(void);
+
+/* Internal/external clocks, PLL, CSS and MCO configuration functions *********/
+void RCC_HSEConfig(uint8_t RCC_HSE);
+ErrorStatus RCC_WaitForHSEStartUp(void);
+void RCC_AdjustHSICalibrationValue(uint8_t HSICalibrationValue);
+void RCC_HSICmd(FunctionalState NewState);
+void RCC_AdjustHSI14CalibrationValue(uint8_t HSI14CalibrationValue);
+void RCC_HSI14Cmd(FunctionalState NewState);
+void RCC_HSI14ADCRequestCmd(FunctionalState NewState);
+void RCC_LSEConfig(uint32_t RCC_LSE);
+void RCC_LSEDriveConfig(uint32_t RCC_LSEDrive);
+void RCC_LSICmd(FunctionalState NewState);
+void RCC_PLLConfig(uint32_t RCC_PLLSource, uint32_t RCC_PLLMul);
+void RCC_PLLCmd(FunctionalState NewState);
+void RCC_HSI48Cmd(FunctionalState NewState); /*!< Only applicable for STM32F072 devices */
+uint32_t RCC_GetHSI48CalibrationValue(void); /*!< Only applicable for STM32F072 devices */
+void RCC_PREDIV1Config(uint32_t RCC_PREDIV1_Div);
+void RCC_ClockSecuritySystemCmd(FunctionalState NewState);
+#ifdef STM32F051
+void RCC_MCOConfig(uint8_t RCC_MCOSource);
+#else
+void RCC_MCOConfig(uint8_t RCC_MCOSource,uint32_t RCC_MCOPrescaler);
+#endif /* STM32F051 */
+
+/* System, AHB and APB busses clocks configuration functions ******************/
+void RCC_SYSCLKConfig(uint32_t RCC_SYSCLKSource);
+uint8_t RCC_GetSYSCLKSource(void);
+void RCC_HCLKConfig(uint32_t RCC_SYSCLK);
+void RCC_PCLKConfig(uint32_t RCC_HCLK);
+void RCC_ADCCLKConfig(uint32_t RCC_ADCCLK); /* This function is obsolete.
+ For proper ADC clock selection, refer to
+ ADC_ClockModeConfig() in the ADC driver */
+void RCC_CECCLKConfig(uint32_t RCC_CECCLK);
+void RCC_I2CCLKConfig(uint32_t RCC_I2CCLK);
+void RCC_USARTCLKConfig(uint32_t RCC_USARTCLK);
+void RCC_USBCLKConfig(uint32_t RCC_USBCLK); /*!< Only applicable for STM32F042 and STM32F072 devices */
+void RCC_GetClocksFreq(RCC_ClocksTypeDef* RCC_Clocks);
+
+/* Peripheral clocks configuration functions **********************************/
+void RCC_RTCCLKConfig(uint32_t RCC_RTCCLKSource);
+void RCC_RTCCLKCmd(FunctionalState NewState);
+void RCC_BackupResetCmd(FunctionalState NewState);
+
+void RCC_AHBPeriphClockCmd(uint32_t RCC_AHBPeriph, FunctionalState NewState);
+void RCC_APB2PeriphClockCmd(uint32_t RCC_APB2Periph, FunctionalState NewState);
+void RCC_APB1PeriphClockCmd(uint32_t RCC_APB1Periph, FunctionalState NewState);
+
+void RCC_AHBPeriphResetCmd(uint32_t RCC_AHBPeriph, FunctionalState NewState);
+void RCC_APB2PeriphResetCmd(uint32_t RCC_APB2Periph, FunctionalState NewState);
+void RCC_APB1PeriphResetCmd(uint32_t RCC_APB1Periph, FunctionalState NewState);
+
+/* Interrupts and flags management functions **********************************/
+void RCC_ITConfig(uint8_t RCC_IT, FunctionalState NewState);
+FlagStatus RCC_GetFlagStatus(uint8_t RCC_FLAG);
+void RCC_ClearFlag(void);
+ITStatus RCC_GetITStatus(uint8_t RCC_IT);
+void RCC_ClearITPendingBit(uint8_t RCC_IT);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F0XX_RCC_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_rtc.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_rtc.h
new file mode 100644
index 00000000..83d2b258
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_rtc.h
@@ -0,0 +1,807 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_rtc.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the RTC firmware
+ * library.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_RTC_H
+#define __STM32F0XX_RTC_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup RTC
+ * @{
+ */
+
+/* Exported types ------------------------------------------------------------*/
+
+/**
+ * @brief RTC Init structures definition
+ */
+typedef struct
+{
+ uint32_t RTC_HourFormat; /*!< Specifies the RTC Hour Format.
+ This parameter can be a value of @ref RTC_Hour_Formats */
+
+ uint32_t RTC_AsynchPrediv; /*!< Specifies the RTC Asynchronous Predivider value.
+ This parameter must be set to a value lower than 0x7F */
+
+ uint32_t RTC_SynchPrediv; /*!< Specifies the RTC Synchronous Predivider value.
+ This parameter must be set to a value lower than 0x1FFF */
+}RTC_InitTypeDef;
+
+/**
+ * @brief RTC Time structure definition
+ */
+typedef struct
+{
+ uint8_t RTC_Hours; /*!< Specifies the RTC Time Hour.
+ This parameter must be set to a value in the 0-12 range
+ if the RTC_HourFormat_12 is selected or 0-23 range if
+ the RTC_HourFormat_24 is selected. */
+
+ uint8_t RTC_Minutes; /*!< Specifies the RTC Time Minutes.
+ This parameter must be set to a value in the 0-59 range. */
+
+ uint8_t RTC_Seconds; /*!< Specifies the RTC Time Seconds.
+ This parameter must be set to a value in the 0-59 range. */
+
+ uint8_t RTC_H12; /*!< Specifies the RTC AM/PM Time.
+ This parameter can be a value of @ref RTC_AM_PM_Definitions */
+}RTC_TimeTypeDef;
+
+/**
+ * @brief RTC Date structure definition
+ */
+typedef struct
+{
+ uint8_t RTC_WeekDay; /*!< Specifies the RTC Date WeekDay.
+ This parameter can be a value of @ref RTC_WeekDay_Definitions */
+
+ uint8_t RTC_Month; /*!< Specifies the RTC Date Month.
+ This parameter can be a value of @ref RTC_Month_Date_Definitions */
+
+ uint8_t RTC_Date; /*!< Specifies the RTC Date.
+ This parameter must be set to a value in the 1-31 range. */
+
+ uint8_t RTC_Year; /*!< Specifies the RTC Date Year.
+ This parameter must be set to a value in the 0-99 range. */
+}RTC_DateTypeDef;
+
+/**
+ * @brief RTC Alarm structure definition
+ */
+typedef struct
+{
+ RTC_TimeTypeDef RTC_AlarmTime; /*!< Specifies the RTC Alarm Time members. */
+
+ uint32_t RTC_AlarmMask; /*!< Specifies the RTC Alarm Masks.
+ This parameter can be a value of @ref RTC_AlarmMask_Definitions */
+
+ uint32_t RTC_AlarmDateWeekDaySel; /*!< Specifies the RTC Alarm is on Date or WeekDay.
+ This parameter can be a value of @ref RTC_AlarmDateWeekDay_Definitions */
+
+ uint8_t RTC_AlarmDateWeekDay; /*!< Specifies the RTC Alarm Date/WeekDay.
+ This parameter must be set to a value in the 1-31 range
+ if the Alarm Date is selected.
+ This parameter can be a value of @ref RTC_WeekDay_Definitions
+ if the Alarm WeekDay is selected. */
+}RTC_AlarmTypeDef;
+
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup RTC_Exported_Constants
+ * @{
+ */
+
+
+/** @defgroup RTC_Hour_Formats
+ * @{
+ */
+#define RTC_HourFormat_24 ((uint32_t)0x00000000)
+#define RTC_HourFormat_12 ((uint32_t)0x00000040)
+#define IS_RTC_HOUR_FORMAT(FORMAT) (((FORMAT) == RTC_HourFormat_12) || \
+ ((FORMAT) == RTC_HourFormat_24))
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Asynchronous_Predivider
+ * @{
+ */
+#define IS_RTC_ASYNCH_PREDIV(PREDIV) ((PREDIV) <= 0x7F)
+
+/**
+ * @}
+ */
+
+
+/** @defgroup RTC_Synchronous_Predivider
+ * @{
+ */
+#define IS_RTC_SYNCH_PREDIV(PREDIV) ((PREDIV) <= 0x7FFF)
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Time_Definitions
+ * @{
+ */
+#define IS_RTC_HOUR12(HOUR) (((HOUR) > 0) && ((HOUR) <= 12))
+#define IS_RTC_HOUR24(HOUR) ((HOUR) <= 23)
+#define IS_RTC_MINUTES(MINUTES) ((MINUTES) <= 59)
+#define IS_RTC_SECONDS(SECONDS) ((SECONDS) <= 59)
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_AM_PM_Definitions
+ * @{
+ */
+#define RTC_H12_AM ((uint8_t)0x00)
+#define RTC_H12_PM ((uint8_t)0x40)
+#define IS_RTC_H12(PM) (((PM) == RTC_H12_AM) || ((PM) == RTC_H12_PM))
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Year_Date_Definitions
+ * @{
+ */
+#define IS_RTC_YEAR(YEAR) ((YEAR) <= 99)
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Month_Date_Definitions
+ * @{
+ */
+#define RTC_Month_January ((uint8_t)0x01)
+#define RTC_Month_February ((uint8_t)0x02)
+#define RTC_Month_March ((uint8_t)0x03)
+#define RTC_Month_April ((uint8_t)0x04)
+#define RTC_Month_May ((uint8_t)0x05)
+#define RTC_Month_June ((uint8_t)0x06)
+#define RTC_Month_July ((uint8_t)0x07)
+#define RTC_Month_August ((uint8_t)0x08)
+#define RTC_Month_September ((uint8_t)0x09)
+#define RTC_Month_October ((uint8_t)0x10)
+#define RTC_Month_November ((uint8_t)0x11)
+#define RTC_Month_December ((uint8_t)0x12)
+#define IS_RTC_MONTH(MONTH) (((MONTH) >= 1) && ((MONTH) <= 12))
+#define IS_RTC_DATE(DATE) (((DATE) >= 1) && ((DATE) <= 31))
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_WeekDay_Definitions
+ * @{
+ */
+
+#define RTC_Weekday_Monday ((uint8_t)0x01)
+#define RTC_Weekday_Tuesday ((uint8_t)0x02)
+#define RTC_Weekday_Wednesday ((uint8_t)0x03)
+#define RTC_Weekday_Thursday ((uint8_t)0x04)
+#define RTC_Weekday_Friday ((uint8_t)0x05)
+#define RTC_Weekday_Saturday ((uint8_t)0x6)
+#define RTC_Weekday_Sunday ((uint8_t)0x07)
+#define IS_RTC_WEEKDAY(WEEKDAY) (((WEEKDAY) == RTC_Weekday_Monday) || \
+ ((WEEKDAY) == RTC_Weekday_Tuesday) || \
+ ((WEEKDAY) == RTC_Weekday_Wednesday) || \
+ ((WEEKDAY) == RTC_Weekday_Thursday) || \
+ ((WEEKDAY) == RTC_Weekday_Friday) || \
+ ((WEEKDAY) == RTC_Weekday_Saturday) || \
+ ((WEEKDAY) == RTC_Weekday_Sunday))
+/**
+ * @}
+ */
+
+
+/** @defgroup RTC_Alarm_Definitions
+ * @{
+ */
+#define IS_RTC_ALARM_DATE_WEEKDAY_DATE(DATE) (((DATE) > 0) && ((DATE) <= 31))
+#define IS_RTC_ALARM_DATE_WEEKDAY_WEEKDAY(WEEKDAY) (((WEEKDAY) == RTC_Weekday_Monday) || \
+ ((WEEKDAY) == RTC_Weekday_Tuesday) || \
+ ((WEEKDAY) == RTC_Weekday_Wednesday) || \
+ ((WEEKDAY) == RTC_Weekday_Thursday) || \
+ ((WEEKDAY) == RTC_Weekday_Friday) || \
+ ((WEEKDAY) == RTC_Weekday_Saturday) || \
+ ((WEEKDAY) == RTC_Weekday_Sunday))
+
+/**
+ * @}
+ */
+
+
+/** @defgroup RTC_AlarmDateWeekDay_Definitions
+ * @{
+ */
+#define RTC_AlarmDateWeekDaySel_Date ((uint32_t)0x00000000)
+#define RTC_AlarmDateWeekDaySel_WeekDay ((uint32_t)0x40000000)
+
+#define IS_RTC_ALARM_DATE_WEEKDAY_SEL(SEL) (((SEL) == RTC_AlarmDateWeekDaySel_Date) || \
+ ((SEL) == RTC_AlarmDateWeekDaySel_WeekDay))
+
+/**
+ * @}
+ */
+
+
+/** @defgroup RTC_AlarmMask_Definitions
+ * @{
+ */
+#define RTC_AlarmMask_None ((uint32_t)0x00000000)
+#define RTC_AlarmMask_DateWeekDay ((uint32_t)0x80000000)
+#define RTC_AlarmMask_Hours ((uint32_t)0x00800000)
+#define RTC_AlarmMask_Minutes ((uint32_t)0x00008000)
+#define RTC_AlarmMask_Seconds ((uint32_t)0x00000080)
+#define RTC_AlarmMask_All ((uint32_t)0x80808080)
+#define IS_RTC_ALARM_MASK(MASK) (((MASK) & 0x7F7F7F7F) == (uint32_t)RESET)
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Alarms_Definitions
+ * @{
+ */
+#define RTC_Alarm_A ((uint32_t)0x00000100)
+#define IS_RTC_ALARM(ALARM) ((ALARM) == RTC_Alarm_A)
+#define IS_RTC_CMD_ALARM(ALARM) (((ALARM) & (RTC_Alarm_A)) != (uint32_t)RESET)
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Alarm_Sub_Seconds_Masks Definitions.
+ * @{
+ */
+#define RTC_AlarmSubSecondMask_All ((uint8_t)0x00) /*!< All Alarm SS fields are masked.
+ There is no comparison on sub seconds
+ for Alarm */
+#define RTC_AlarmSubSecondMask_SS14_1 ((uint8_t)0x01) /*!< SS[14:1] are don't care in Alarm
+ comparison. Only SS[0] is compared. */
+#define RTC_AlarmSubSecondMask_SS14_2 ((uint8_t)0x02) /*!< SS[14:2] are don't care in Alarm
+ comparison. Only SS[1:0] are compared */
+#define RTC_AlarmSubSecondMask_SS14_3 ((uint8_t)0x03) /*!< SS[14:3] are don't care in Alarm
+ comparison. Only SS[2:0] are compared */
+#define RTC_AlarmSubSecondMask_SS14_4 ((uint8_t)0x04) /*!< SS[14:4] are don't care in Alarm
+ comparison. Only SS[3:0] are compared */
+#define RTC_AlarmSubSecondMask_SS14_5 ((uint8_t)0x05) /*!< SS[14:5] are don't care in Alarm
+ comparison. Only SS[4:0] are compared */
+#define RTC_AlarmSubSecondMask_SS14_6 ((uint8_t)0x06) /*!< SS[14:6] are don't care in Alarm
+ comparison. Only SS[5:0] are compared */
+#define RTC_AlarmSubSecondMask_SS14_7 ((uint8_t)0x07) /*!< SS[14:7] are don't care in Alarm
+ comparison. Only SS[6:0] are compared */
+#define RTC_AlarmSubSecondMask_SS14_8 ((uint8_t)0x08) /*!< SS[14:8] are don't care in Alarm
+ comparison. Only SS[7:0] are compared */
+#define RTC_AlarmSubSecondMask_SS14_9 ((uint8_t)0x09) /*!< SS[14:9] are don't care in Alarm
+ comparison. Only SS[8:0] are compared */
+#define RTC_AlarmSubSecondMask_SS14_10 ((uint8_t)0x0A) /*!< SS[14:10] are don't care in Alarm
+ comparison. Only SS[9:0] are compared */
+#define RTC_AlarmSubSecondMask_SS14_11 ((uint8_t)0x0B) /*!< SS[14:11] are don't care in Alarm
+ comparison. Only SS[10:0] are compared */
+#define RTC_AlarmSubSecondMask_SS14_12 ((uint8_t)0x0C) /*!< SS[14:12] are don't care in Alarm
+ comparison.Only SS[11:0] are compared */
+#define RTC_AlarmSubSecondMask_SS14_13 ((uint8_t)0x0D) /*!< SS[14:13] are don't care in Alarm
+ comparison. Only SS[12:0] are compared */
+#define RTC_AlarmSubSecondMask_SS14 ((uint8_t)0x0E) /*!< SS[14] is don't care in Alarm
+ comparison.Only SS[13:0] are compared */
+#define RTC_AlarmSubSecondMask_None ((uint8_t)0x0F) /*!< SS[14:0] are compared and must match
+ to activate alarm. */
+#define IS_RTC_ALARM_SUB_SECOND_MASK(MASK) (((MASK) == RTC_AlarmSubSecondMask_All) || \
+ ((MASK) == RTC_AlarmSubSecondMask_SS14_1) || \
+ ((MASK) == RTC_AlarmSubSecondMask_SS14_2) || \
+ ((MASK) == RTC_AlarmSubSecondMask_SS14_3) || \
+ ((MASK) == RTC_AlarmSubSecondMask_SS14_4) || \
+ ((MASK) == RTC_AlarmSubSecondMask_SS14_5) || \
+ ((MASK) == RTC_AlarmSubSecondMask_SS14_6) || \
+ ((MASK) == RTC_AlarmSubSecondMask_SS14_7) || \
+ ((MASK) == RTC_AlarmSubSecondMask_SS14_8) || \
+ ((MASK) == RTC_AlarmSubSecondMask_SS14_9) || \
+ ((MASK) == RTC_AlarmSubSecondMask_SS14_10) || \
+ ((MASK) == RTC_AlarmSubSecondMask_SS14_11) || \
+ ((MASK) == RTC_AlarmSubSecondMask_SS14_12) || \
+ ((MASK) == RTC_AlarmSubSecondMask_SS14_13) || \
+ ((MASK) == RTC_AlarmSubSecondMask_SS14) || \
+ ((MASK) == RTC_AlarmSubSecondMask_None))
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Alarm_Sub_Seconds_Value
+ * @{
+ */
+
+#define IS_RTC_ALARM_SUB_SECOND_VALUE(VALUE) ((VALUE) <= 0x00007FFF)
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Wakeup_Timer_Definitions
+ * @brief These parameters are only available for STM32F072 devices
+ * @{
+ */
+#define RTC_WakeUpClock_RTCCLK_Div16 ((uint32_t)0x00000000)
+#define RTC_WakeUpClock_RTCCLK_Div8 ((uint32_t)0x00000001)
+#define RTC_WakeUpClock_RTCCLK_Div4 ((uint32_t)0x00000002)
+#define RTC_WakeUpClock_RTCCLK_Div2 ((uint32_t)0x00000003)
+#define RTC_WakeUpClock_CK_SPRE_16bits ((uint32_t)0x00000004)
+#define RTC_WakeUpClock_CK_SPRE_17bits ((uint32_t)0x00000006)
+#define IS_RTC_WAKEUP_CLOCK(CLOCK) (((CLOCK) == RTC_WakeUpClock_RTCCLK_Div16) || \
+ ((CLOCK) == RTC_WakeUpClock_RTCCLK_Div8) || \
+ ((CLOCK) == RTC_WakeUpClock_RTCCLK_Div4) || \
+ ((CLOCK) == RTC_WakeUpClock_RTCCLK_Div2) || \
+ ((CLOCK) == RTC_WakeUpClock_CK_SPRE_16bits) || \
+ ((CLOCK) == RTC_WakeUpClock_CK_SPRE_17bits))
+#define IS_RTC_WAKEUP_COUNTER(COUNTER) ((COUNTER) <= 0xFFFF)
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Time_Stamp_Edges_definitions
+ * @{
+ */
+#define RTC_TimeStampEdge_Rising ((uint32_t)0x00000000)
+#define RTC_TimeStampEdge_Falling ((uint32_t)0x00000008)
+#define IS_RTC_TIMESTAMP_EDGE(EDGE) (((EDGE) == RTC_TimeStampEdge_Rising) || \
+ ((EDGE) == RTC_TimeStampEdge_Falling))
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Output_selection_Definitions
+ * @{
+ */
+#define RTC_Output_Disable ((uint32_t)0x00000000)
+#define RTC_Output_AlarmA ((uint32_t)0x00200000)
+#define RTC_Output_WakeUp ((uint32_t)0x00600000) /*!< available only for STM32F072 devices */
+
+#define IS_RTC_OUTPUT(OUTPUT) (((OUTPUT) == RTC_Output_Disable) || \
+ ((OUTPUT) == RTC_Output_AlarmA) || \
+ ((OUTPUT) == RTC_Output_WakeUp))
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Output_Polarity_Definitions
+ * @{
+ */
+#define RTC_OutputPolarity_High ((uint32_t)0x00000000)
+#define RTC_OutputPolarity_Low ((uint32_t)0x00100000)
+#define IS_RTC_OUTPUT_POL(POL) (((POL) == RTC_OutputPolarity_High) || \
+ ((POL) == RTC_OutputPolarity_Low))
+/**
+ * @}
+ */
+
+
+/** @defgroup RTC_Calib_Output_selection_Definitions
+ * @{
+ */
+#define RTC_CalibOutput_512Hz ((uint32_t)0x00000000)
+#define RTC_CalibOutput_1Hz ((uint32_t)0x00080000)
+#define IS_RTC_CALIB_OUTPUT(OUTPUT) (((OUTPUT) == RTC_CalibOutput_512Hz) || \
+ ((OUTPUT) == RTC_CalibOutput_1Hz))
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Smooth_calib_period_Definitions
+ * @{
+ */
+#define RTC_SmoothCalibPeriod_32sec ((uint32_t)0x00000000) /*!< if RTCCLK = 32768 Hz, Smooth calibation
+ period is 32s, else 2exp20 RTCCLK seconds */
+#define RTC_SmoothCalibPeriod_16sec ((uint32_t)0x00002000) /*!< if RTCCLK = 32768 Hz, Smooth calibation
+ period is 16s, else 2exp19 RTCCLK seconds */
+#define RTC_SmoothCalibPeriod_8sec ((uint32_t)0x00004000) /*!< if RTCCLK = 32768 Hz, Smooth calibation
+ period is 8s, else 2exp18 RTCCLK seconds */
+#define IS_RTC_SMOOTH_CALIB_PERIOD(PERIOD) (((PERIOD) == RTC_SmoothCalibPeriod_32sec) || \
+ ((PERIOD) == RTC_SmoothCalibPeriod_16sec) || \
+ ((PERIOD) == RTC_SmoothCalibPeriod_8sec))
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Smooth_calib_Plus_pulses_Definitions
+ * @{
+ */
+#define RTC_SmoothCalibPlusPulses_Set ((uint32_t)0x00008000) /*!< The number of RTCCLK pulses added
+ during a X -second window = Y - CALM[8:0].
+ with Y = 512, 256, 128 when X = 32, 16, 8 */
+#define RTC_SmoothCalibPlusPulses_Reset ((uint32_t)0x00000000) /*!< The number of RTCCLK pulses subbstited
+ during a 32-second window = CALM[8:0]. */
+#define IS_RTC_SMOOTH_CALIB_PLUS(PLUS) (((PLUS) == RTC_SmoothCalibPlusPulses_Set) || \
+ ((PLUS) == RTC_SmoothCalibPlusPulses_Reset))
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Smooth_calib_Minus_pulses_Definitions
+ * @{
+ */
+#define IS_RTC_SMOOTH_CALIB_MINUS(VALUE) ((VALUE) <= 0x000001FF)
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_DayLightSaving_Definitions
+ * @{
+ */
+#define RTC_DayLightSaving_SUB1H ((uint32_t)0x00020000)
+#define RTC_DayLightSaving_ADD1H ((uint32_t)0x00010000)
+#define IS_RTC_DAYLIGHT_SAVING(SAVING) (((SAVING) == RTC_DayLightSaving_SUB1H) || \
+ ((SAVING) == RTC_DayLightSaving_ADD1H))
+
+#define RTC_StoreOperation_Reset ((uint32_t)0x00000000)
+#define RTC_StoreOperation_Set ((uint32_t)0x00040000)
+#define IS_RTC_STORE_OPERATION(OPERATION) (((OPERATION) == RTC_StoreOperation_Reset) || \
+ ((OPERATION) == RTC_StoreOperation_Set))
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Tamper_Trigger_Definitions
+ * @{
+ */
+#define RTC_TamperTrigger_RisingEdge ((uint32_t)0x00000000)
+#define RTC_TamperTrigger_FallingEdge ((uint32_t)0x00000001)
+#define RTC_TamperTrigger_LowLevel ((uint32_t)0x00000000)
+#define RTC_TamperTrigger_HighLevel ((uint32_t)0x00000001)
+#define IS_RTC_TAMPER_TRIGGER(TRIGGER) (((TRIGGER) == RTC_TamperTrigger_RisingEdge) || \
+ ((TRIGGER) == RTC_TamperTrigger_FallingEdge) || \
+ ((TRIGGER) == RTC_TamperTrigger_LowLevel) || \
+ ((TRIGGER) == RTC_TamperTrigger_HighLevel))
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Tamper_Filter_Definitions
+ * @{
+ */
+#define RTC_TamperFilter_Disable ((uint32_t)0x00000000) /*!< Tamper filter is disabled */
+
+#define RTC_TamperFilter_2Sample ((uint32_t)0x00000800) /*!< Tamper is activated after 2
+ consecutive samples at the active level */
+#define RTC_TamperFilter_4Sample ((uint32_t)0x00001000) /*!< Tamper is activated after 4
+ consecutive samples at the active level */
+#define RTC_TamperFilter_8Sample ((uint32_t)0x00001800) /*!< Tamper is activated after 8
+ consecutive samples at the active leve. */
+#define IS_RTC_TAMPER_FILTER(FILTER) (((FILTER) == RTC_TamperFilter_Disable) || \
+ ((FILTER) == RTC_TamperFilter_2Sample) || \
+ ((FILTER) == RTC_TamperFilter_4Sample) || \
+ ((FILTER) == RTC_TamperFilter_8Sample))
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Tamper_Sampling_Frequencies_Definitions
+ * @{
+ */
+#define RTC_TamperSamplingFreq_RTCCLK_Div32768 ((uint32_t)0x00000000) /*!< Each of the tamper inputs are sampled
+ with a frequency = RTCCLK / 32768 */
+#define RTC_TamperSamplingFreq_RTCCLK_Div16384 ((uint32_t)0x00000100) /*!< Each of the tamper inputs are sampled
+ with a frequency = RTCCLK / 16384 */
+#define RTC_TamperSamplingFreq_RTCCLK_Div8192 ((uint32_t)0x00000200) /*!< Each of the tamper inputs are sampled
+ with a frequency = RTCCLK / 8192 */
+#define RTC_TamperSamplingFreq_RTCCLK_Div4096 ((uint32_t)0x00000300) /*!< Each of the tamper inputs are sampled
+ with a frequency = RTCCLK / 4096 */
+#define RTC_TamperSamplingFreq_RTCCLK_Div2048 ((uint32_t)0x00000400) /*!< Each of the tamper inputs are sampled
+ with a frequency = RTCCLK / 2048 */
+#define RTC_TamperSamplingFreq_RTCCLK_Div1024 ((uint32_t)0x00000500) /*!< Each of the tamper inputs are sampled
+ with a frequency = RTCCLK / 1024 */
+#define RTC_TamperSamplingFreq_RTCCLK_Div512 ((uint32_t)0x00000600) /*!< Each of the tamper inputs are sampled
+ with a frequency = RTCCLK / 512 */
+#define RTC_TamperSamplingFreq_RTCCLK_Div256 ((uint32_t)0x00000700) /*!< Each of the tamper inputs are sampled
+ with a frequency = RTCCLK / 256 */
+#define IS_RTC_TAMPER_SAMPLING_FREQ(FREQ) (((FREQ) ==RTC_TamperSamplingFreq_RTCCLK_Div32768) || \
+ ((FREQ) ==RTC_TamperSamplingFreq_RTCCLK_Div16384) || \
+ ((FREQ) ==RTC_TamperSamplingFreq_RTCCLK_Div8192) || \
+ ((FREQ) ==RTC_TamperSamplingFreq_RTCCLK_Div4096) || \
+ ((FREQ) ==RTC_TamperSamplingFreq_RTCCLK_Div2048) || \
+ ((FREQ) ==RTC_TamperSamplingFreq_RTCCLK_Div1024) || \
+ ((FREQ) ==RTC_TamperSamplingFreq_RTCCLK_Div512) || \
+ ((FREQ) ==RTC_TamperSamplingFreq_RTCCLK_Div256))
+
+/**
+ * @}
+ */
+
+ /** @defgroup RTC_Tamper_Pin_Precharge_Duration_Definitions
+ * @{
+ */
+#define RTC_TamperPrechargeDuration_1RTCCLK ((uint32_t)0x00000000) /*!< Tamper pins are pre-charged before
+ sampling during 1 RTCCLK cycle */
+#define RTC_TamperPrechargeDuration_2RTCCLK ((uint32_t)0x00002000) /*!< Tamper pins are pre-charged before
+ sampling during 2 RTCCLK cycles */
+#define RTC_TamperPrechargeDuration_4RTCCLK ((uint32_t)0x00004000) /*!< Tamper pins are pre-charged before
+ sampling during 4 RTCCLK cycles */
+#define RTC_TamperPrechargeDuration_8RTCCLK ((uint32_t)0x00006000) /*!< Tamper pins are pre-charged before
+ sampling during 8 RTCCLK cycles */
+
+#define IS_RTC_TAMPER_PRECHARGE_DURATION(DURATION) (((DURATION) == RTC_TamperPrechargeDuration_1RTCCLK) || \
+ ((DURATION) == RTC_TamperPrechargeDuration_2RTCCLK) || \
+ ((DURATION) == RTC_TamperPrechargeDuration_4RTCCLK) || \
+ ((DURATION) == RTC_TamperPrechargeDuration_8RTCCLK))
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Tamper_Pins_Definitions
+ * @{
+ */
+#define RTC_Tamper_1 RTC_TAFCR_TAMP1E /*!< Tamper detection enable for
+ input tamper 1 */
+#define RTC_Tamper_2 RTC_TAFCR_TAMP2E /*!< Tamper detection enable for
+ input tamper 2 */
+#define RTC_Tamper_3 RTC_TAFCR_TAMP3E /*!< Tamper detection enable for
+ input tamper 3, available only
+ for STM32F072 devices */
+#define IS_RTC_TAMPER(TAMPER) ((((TAMPER) & (uint32_t)0xFFFFFFD6) == 0x00) && ((TAMPER) != (uint32_t)RESET))
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Output_Type_ALARM_OUT
+ * @{
+ */
+#define RTC_OutputType_OpenDrain ((uint32_t)0x00000000)
+#define RTC_OutputType_PushPull ((uint32_t)0x00040000)
+#define IS_RTC_OUTPUT_TYPE(TYPE) (((TYPE) == RTC_OutputType_OpenDrain) || \
+ ((TYPE) == RTC_OutputType_PushPull))
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Add_1_Second_Parameter_Definitions
+ * @{
+ */
+#define RTC_ShiftAdd1S_Reset ((uint32_t)0x00000000)
+#define RTC_ShiftAdd1S_Set ((uint32_t)0x80000000)
+#define IS_RTC_SHIFT_ADD1S(SEL) (((SEL) == RTC_ShiftAdd1S_Reset) || \
+ ((SEL) == RTC_ShiftAdd1S_Set))
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Substract_Fraction_Of_Second_Value
+ * @{
+ */
+#define IS_RTC_SHIFT_SUBFS(FS) ((FS) <= 0x00007FFF)
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Backup_Registers_Definitions
+ * @{
+ */
+
+#define RTC_BKP_DR0 ((uint32_t)0x00000000)
+#define RTC_BKP_DR1 ((uint32_t)0x00000001)
+#define RTC_BKP_DR2 ((uint32_t)0x00000002)
+#define RTC_BKP_DR3 ((uint32_t)0x00000003)
+#define RTC_BKP_DR4 ((uint32_t)0x00000004)
+#define IS_RTC_BKP(BKP) (((BKP) == RTC_BKP_DR0) || \
+ ((BKP) == RTC_BKP_DR1) || \
+ ((BKP) == RTC_BKP_DR2) || \
+ ((BKP) == RTC_BKP_DR3) || \
+ ((BKP) == RTC_BKP_DR4))
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Input_parameter_format_definitions
+ * @{
+ */
+#define RTC_Format_BIN ((uint32_t)0x000000000)
+#define RTC_Format_BCD ((uint32_t)0x000000001)
+#define IS_RTC_FORMAT(FORMAT) (((FORMAT) == RTC_Format_BIN) || ((FORMAT) == RTC_Format_BCD))
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Flags_Definitions
+ * @{
+ */
+#define RTC_FLAG_RECALPF RTC_ISR_RECALPF
+#define RTC_FLAG_TAMP3F RTC_ISR_TAMP3F /*!< Only available for STM32F072 devices */
+#define RTC_FLAG_TAMP2F RTC_ISR_TAMP2F
+#define RTC_FLAG_TAMP1F RTC_ISR_TAMP1F
+#define RTC_FLAG_TSOVF RTC_ISR_TSOVF
+#define RTC_FLAG_TSF RTC_ISR_TSF
+#define RTC_FLAG_WUTF RTC_ISR_WUTF /*!< Only available for STM32F072 devices */
+#define RTC_FLAG_ALRAF RTC_ISR_ALRAF
+#define RTC_FLAG_INITF RTC_ISR_INITF
+#define RTC_FLAG_RSF RTC_ISR_RSF
+#define RTC_FLAG_INITS RTC_ISR_INITS
+#define RTC_FLAG_SHPF RTC_ISR_SHPF
+#define RTC_FLAG_WUTWF RTC_ISR_WUTWF /*!< Only available for STM32F072 devices */
+#define RTC_FLAG_ALRAWF RTC_ISR_ALRAWF
+
+#define IS_RTC_GET_FLAG(FLAG) (((FLAG) == RTC_FLAG_TSOVF) || ((FLAG) == RTC_FLAG_TSF) || \
+ ((FLAG) == RTC_FLAG_WUTF) || ((FLAG) == RTC_FLAG_ALRAWF) || \
+ ((FLAG) == RTC_FLAG_ALRAF) || ((FLAG) == RTC_FLAG_INITF) || \
+ ((FLAG) == RTC_FLAG_RSF) || ((FLAG) == RTC_FLAG_WUTWF) || \
+ ((FLAG) == RTC_FLAG_TAMP1F) || ((FLAG) == RTC_FLAG_TAMP2F) || \
+ ((FLAG) == RTC_FLAG_TAMP3F) || ((FLAG) == RTC_FLAG_RECALPF) || \
+ ((FLAG) == RTC_FLAG_SHPF))
+#define IS_RTC_CLEAR_FLAG(FLAG) (((FLAG) != (uint32_t)RESET) && (((FLAG) & 0xFFFF02DF) == (uint32_t)RESET))
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Interrupts_Definitions
+ * @{
+ */
+#define RTC_IT_TS ((uint32_t)0x00008000)
+#define RTC_IT_WUT ((uint32_t)0x00004000) /* Available only for STM32F072 devices */
+#define RTC_IT_ALRA ((uint32_t)0x00001000)
+#define RTC_IT_TAMP ((uint32_t)0x00000004) /* Used only to Enable the Tamper Interrupt */
+#define RTC_IT_TAMP1 ((uint32_t)0x00020000)
+#define RTC_IT_TAMP2 ((uint32_t)0x00040000)
+#define RTC_IT_TAMP3 ((uint32_t)0x00080000) /* Available only for STM32F072 devices */
+
+#define IS_RTC_CONFIG_IT(IT) (((IT) != (uint32_t)RESET) && (((IT) & 0xFFFF2FFB) == (uint32_t)RESET))
+#define IS_RTC_GET_IT(IT) (((IT) == RTC_IT_TS) || ((IT) == RTC_IT_ALRA) || \
+ ((IT) == RTC_IT_TAMP1) || ((IT) == RTC_IT_WUT) || \
+ ((IT) == RTC_IT_TAMP2) || ((IT) == RTC_IT_TAMP3))
+
+#define IS_RTC_CLEAR_IT(IT) (((IT) != (uint32_t)RESET) && (((IT) & 0xFFF12FFF) == (uint32_t)RESET))
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+/* Function used to set the RTC configuration to the default reset state *****/
+ErrorStatus RTC_DeInit(void);
+
+
+/* Initialization and Configuration functions *********************************/
+ErrorStatus RTC_Init(RTC_InitTypeDef* RTC_InitStruct);
+void RTC_StructInit(RTC_InitTypeDef* RTC_InitStruct);
+void RTC_WriteProtectionCmd(FunctionalState NewState);
+ErrorStatus RTC_EnterInitMode(void);
+void RTC_ExitInitMode(void);
+ErrorStatus RTC_WaitForSynchro(void);
+ErrorStatus RTC_RefClockCmd(FunctionalState NewState);
+void RTC_BypassShadowCmd(FunctionalState NewState);
+
+/* Time and Date configuration functions **************************************/
+ErrorStatus RTC_SetTime(uint32_t RTC_Format, RTC_TimeTypeDef* RTC_TimeStruct);
+void RTC_TimeStructInit(RTC_TimeTypeDef* RTC_TimeStruct);
+void RTC_GetTime(uint32_t RTC_Format, RTC_TimeTypeDef* RTC_TimeStruct);
+uint32_t RTC_GetSubSecond(void);
+ErrorStatus RTC_SetDate(uint32_t RTC_Format, RTC_DateTypeDef* RTC_DateStruct);
+void RTC_DateStructInit(RTC_DateTypeDef* RTC_DateStruct);
+void RTC_GetDate(uint32_t RTC_Format, RTC_DateTypeDef* RTC_DateStruct);
+
+/* Alarms (Alarm A) configuration functions **********************************/
+void RTC_SetAlarm(uint32_t RTC_Format, uint32_t RTC_Alarm, RTC_AlarmTypeDef* RTC_AlarmStruct);
+void RTC_AlarmStructInit(RTC_AlarmTypeDef* RTC_AlarmStruct);
+void RTC_GetAlarm(uint32_t RTC_Format, uint32_t RTC_Alarm, RTC_AlarmTypeDef* RTC_AlarmStruct);
+ErrorStatus RTC_AlarmCmd(uint32_t RTC_Alarm, FunctionalState NewState);
+void RTC_AlarmSubSecondConfig(uint32_t RTC_Alarm, uint32_t RTC_AlarmSubSecondValue, uint8_t RTC_AlarmSubSecondMask);
+uint32_t RTC_GetAlarmSubSecond(uint32_t RTC_Alarm);
+
+/* WakeUp Timer configuration functions ***************************************/
+void RTC_WakeUpClockConfig(uint32_t RTC_WakeUpClock); /*!< available only for STM32F072 devices */
+void RTC_SetWakeUpCounter(uint32_t RTC_WakeUpCounter); /*!< available only for STM32F072 devices */
+uint32_t RTC_GetWakeUpCounter(void); /*!< available only for STM32F072 devices */
+ErrorStatus RTC_WakeUpCmd(FunctionalState NewState); /*!< available only for STM32F072 devices */
+
+/* Daylight Saving configuration functions ************************************/
+void RTC_DayLightSavingConfig(uint32_t RTC_DayLightSaving, uint32_t RTC_StoreOperation);
+uint32_t RTC_GetStoreOperation(void);
+
+/* Output pin Configuration function ******************************************/
+void RTC_OutputConfig(uint32_t RTC_Output, uint32_t RTC_OutputPolarity);
+
+/* Digital Calibration configuration functions ********************************/
+void RTC_CalibOutputCmd(FunctionalState NewState);
+void RTC_CalibOutputConfig(uint32_t RTC_CalibOutput);
+ErrorStatus RTC_SmoothCalibConfig(uint32_t RTC_SmoothCalibPeriod,
+ uint32_t RTC_SmoothCalibPlusPulses,
+ uint32_t RTC_SmouthCalibMinusPulsesValue);
+
+/* TimeStamp configuration functions ******************************************/
+void RTC_TimeStampCmd(uint32_t RTC_TimeStampEdge, FunctionalState NewState);
+void RTC_GetTimeStamp(uint32_t RTC_Format, RTC_TimeTypeDef* RTC_StampTimeStruct, RTC_DateTypeDef* RTC_StampDateStruct);
+uint32_t RTC_GetTimeStampSubSecond(void);
+
+/* Tampers configuration functions ********************************************/
+void RTC_TamperTriggerConfig(uint32_t RTC_Tamper, uint32_t RTC_TamperTrigger);
+void RTC_TamperCmd(uint32_t RTC_Tamper, FunctionalState NewState);
+void RTC_TamperFilterConfig(uint32_t RTC_TamperFilter);
+void RTC_TamperSamplingFreqConfig(uint32_t RTC_TamperSamplingFreq);
+void RTC_TamperPinsPrechargeDuration(uint32_t RTC_TamperPrechargeDuration);
+void RTC_TimeStampOnTamperDetectionCmd(FunctionalState NewState);
+void RTC_TamperPullUpCmd(FunctionalState NewState);
+
+/* Backup Data Registers configuration functions ******************************/
+void RTC_WriteBackupRegister(uint32_t RTC_BKP_DR, uint32_t Data);
+uint32_t RTC_ReadBackupRegister(uint32_t RTC_BKP_DR);
+
+/* Output Type Config configuration functions *********************************/
+void RTC_OutputTypeConfig(uint32_t RTC_OutputType);
+
+/* RTC_Shift_control_synchonisation_functions *********************************/
+ErrorStatus RTC_SynchroShiftConfig(uint32_t RTC_ShiftAdd1S, uint32_t RTC_ShiftSubFS);
+
+/* Interrupts and flags management functions **********************************/
+void RTC_ITConfig(uint32_t RTC_IT, FunctionalState NewState);
+FlagStatus RTC_GetFlagStatus(uint32_t RTC_FLAG);
+void RTC_ClearFlag(uint32_t RTC_FLAG);
+ITStatus RTC_GetITStatus(uint32_t RTC_IT);
+void RTC_ClearITPendingBit(uint32_t RTC_IT);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*__STM32F0XX_RTC_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_spi.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_spi.h
new file mode 100644
index 00000000..711d908c
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_spi.h
@@ -0,0 +1,588 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_spi.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the SPI
+ * firmware library.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_SPI_H
+#define __STM32F0XX_SPI_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup SPI
+ * @{
+ */
+
+/* Exported types ------------------------------------------------------------*/
+
+/**
+ * @brief SPI Init structure definition
+ */
+
+typedef struct
+{
+ uint16_t SPI_Direction; /*!< Specifies the SPI unidirectional or bidirectional data mode.
+ This parameter can be a value of @ref SPI_data_direction */
+
+ uint16_t SPI_Mode; /*!< Specifies the SPI mode (Master/Slave).
+ This parameter can be a value of @ref SPI_mode */
+
+ uint16_t SPI_DataSize; /*!< Specifies the SPI data size.
+ This parameter can be a value of @ref SPI_data_size */
+
+ uint16_t SPI_CPOL; /*!< Specifies the serial clock steady state.
+ This parameter can be a value of @ref SPI_Clock_Polarity */
+
+ uint16_t SPI_CPHA; /*!< Specifies the clock active edge for the bit capture.
+ This parameter can be a value of @ref SPI_Clock_Phase */
+
+ uint16_t SPI_NSS; /*!< Specifies whether the NSS signal is managed by
+ hardware (NSS pin) or by software using the SSI bit.
+ This parameter can be a value of @ref SPI_Slave_Select_management */
+
+ uint16_t SPI_BaudRatePrescaler; /*!< Specifies the Baud Rate prescaler value which will be
+ used to configure the transmit and receive SCK clock.
+ This parameter can be a value of @ref SPI_BaudRate_Prescaler
+ @note The communication clock is derived from the master
+ clock. The slave clock does not need to be set. */
+
+ uint16_t SPI_FirstBit; /*!< Specifies whether data transfers start from MSB or LSB bit.
+ This parameter can be a value of @ref SPI_MSB_LSB_transmission */
+
+ uint16_t SPI_CRCPolynomial; /*!< Specifies the polynomial used for the CRC calculation. */
+}SPI_InitTypeDef;
+
+
+/**
+ * @brief I2S Init structure definition
+ * @note These parameters are not available for STM32F030 devices.
+ */
+
+typedef struct
+{
+ uint16_t I2S_Mode; /*!< Specifies the I2S operating mode.
+ This parameter can be a value of @ref SPI_I2S_Mode */
+
+ uint16_t I2S_Standard; /*!< Specifies the standard used for the I2S communication.
+ This parameter can be a value of @ref SPI_I2S_Standard */
+
+ uint16_t I2S_DataFormat; /*!< Specifies the data format for the I2S communication.
+ This parameter can be a value of @ref SPI_I2S_Data_Format */
+
+ uint16_t I2S_MCLKOutput; /*!< Specifies whether the I2S MCLK output is enabled or not.
+ This parameter can be a value of @ref SPI_I2S_MCLK_Output */
+
+ uint32_t I2S_AudioFreq; /*!< Specifies the frequency selected for the I2S communication.
+ This parameter can be a value of @ref SPI_I2S_Audio_Frequency */
+
+ uint16_t I2S_CPOL; /*!< Specifies the idle state of the I2S clock.
+ This parameter can be a value of @ref SPI_I2S_Clock_Polarity */
+}I2S_InitTypeDef;
+
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup SPI_Exported_Constants
+ * @{
+ */
+
+#define IS_SPI_ALL_PERIPH(PERIPH) (((PERIPH) == SPI1) || \
+ ((PERIPH) == SPI2))
+
+#define IS_SPI_1_PERIPH(PERIPH) (((PERIPH) == SPI1))
+
+/** @defgroup SPI_data_direction
+ * @{
+ */
+
+#define SPI_Direction_2Lines_FullDuplex ((uint16_t)0x0000)
+#define SPI_Direction_2Lines_RxOnly ((uint16_t)0x0400)
+#define SPI_Direction_1Line_Rx ((uint16_t)0x8000)
+#define SPI_Direction_1Line_Tx ((uint16_t)0xC000)
+#define IS_SPI_DIRECTION_MODE(MODE) (((MODE) == SPI_Direction_2Lines_FullDuplex) || \
+ ((MODE) == SPI_Direction_2Lines_RxOnly) || \
+ ((MODE) == SPI_Direction_1Line_Rx) || \
+ ((MODE) == SPI_Direction_1Line_Tx))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_mode
+ * @{
+ */
+
+#define SPI_Mode_Master ((uint16_t)0x0104)
+#define SPI_Mode_Slave ((uint16_t)0x0000)
+#define IS_SPI_MODE(MODE) (((MODE) == SPI_Mode_Master) || \
+ ((MODE) == SPI_Mode_Slave))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_data_size
+ * @{
+ */
+
+#define SPI_DataSize_4b ((uint16_t)0x0300)
+#define SPI_DataSize_5b ((uint16_t)0x0400)
+#define SPI_DataSize_6b ((uint16_t)0x0500)
+#define SPI_DataSize_7b ((uint16_t)0x0600)
+#define SPI_DataSize_8b ((uint16_t)0x0700)
+#define SPI_DataSize_9b ((uint16_t)0x0800)
+#define SPI_DataSize_10b ((uint16_t)0x0900)
+#define SPI_DataSize_11b ((uint16_t)0x0A00)
+#define SPI_DataSize_12b ((uint16_t)0x0B00)
+#define SPI_DataSize_13b ((uint16_t)0x0C00)
+#define SPI_DataSize_14b ((uint16_t)0x0D00)
+#define SPI_DataSize_15b ((uint16_t)0x0E00)
+#define SPI_DataSize_16b ((uint16_t)0x0F00)
+#define IS_SPI_DATA_SIZE(SIZE) (((SIZE) == SPI_DataSize_4b) || \
+ ((SIZE) == SPI_DataSize_5b) || \
+ ((SIZE) == SPI_DataSize_6b) || \
+ ((SIZE) == SPI_DataSize_7b) || \
+ ((SIZE) == SPI_DataSize_8b) || \
+ ((SIZE) == SPI_DataSize_9b) || \
+ ((SIZE) == SPI_DataSize_10b) || \
+ ((SIZE) == SPI_DataSize_11b) || \
+ ((SIZE) == SPI_DataSize_12b) || \
+ ((SIZE) == SPI_DataSize_13b) || \
+ ((SIZE) == SPI_DataSize_14b) || \
+ ((SIZE) == SPI_DataSize_15b) || \
+ ((SIZE) == SPI_DataSize_16b))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_CRC_length
+ * @{
+ */
+
+#define SPI_CRCLength_8b ((uint16_t)0x0000)
+#define SPI_CRCLength_16b SPI_CR1_CRCL
+#define IS_SPI_CRC_LENGTH(LENGTH) (((LENGTH) == SPI_CRCLength_8b) || \
+ ((LENGTH) == SPI_CRCLength_16b))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_Clock_Polarity
+ * @{
+ */
+
+#define SPI_CPOL_Low ((uint16_t)0x0000)
+#define SPI_CPOL_High SPI_CR1_CPOL
+#define IS_SPI_CPOL(CPOL) (((CPOL) == SPI_CPOL_Low) || \
+ ((CPOL) == SPI_CPOL_High))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_Clock_Phase
+ * @{
+ */
+
+#define SPI_CPHA_1Edge ((uint16_t)0x0000)
+#define SPI_CPHA_2Edge SPI_CR1_CPHA
+#define IS_SPI_CPHA(CPHA) (((CPHA) == SPI_CPHA_1Edge) || \
+ ((CPHA) == SPI_CPHA_2Edge))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_Slave_Select_management
+ * @{
+ */
+
+#define SPI_NSS_Soft SPI_CR1_SSM
+#define SPI_NSS_Hard ((uint16_t)0x0000)
+#define IS_SPI_NSS(NSS) (((NSS) == SPI_NSS_Soft) || \
+ ((NSS) == SPI_NSS_Hard))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_BaudRate_Prescaler
+ * @{
+ */
+
+#define SPI_BaudRatePrescaler_2 ((uint16_t)0x0000)
+#define SPI_BaudRatePrescaler_4 ((uint16_t)0x0008)
+#define SPI_BaudRatePrescaler_8 ((uint16_t)0x0010)
+#define SPI_BaudRatePrescaler_16 ((uint16_t)0x0018)
+#define SPI_BaudRatePrescaler_32 ((uint16_t)0x0020)
+#define SPI_BaudRatePrescaler_64 ((uint16_t)0x0028)
+#define SPI_BaudRatePrescaler_128 ((uint16_t)0x0030)
+#define SPI_BaudRatePrescaler_256 ((uint16_t)0x0038)
+#define IS_SPI_BAUDRATE_PRESCALER(PRESCALER) (((PRESCALER) == SPI_BaudRatePrescaler_2) || \
+ ((PRESCALER) == SPI_BaudRatePrescaler_4) || \
+ ((PRESCALER) == SPI_BaudRatePrescaler_8) || \
+ ((PRESCALER) == SPI_BaudRatePrescaler_16) || \
+ ((PRESCALER) == SPI_BaudRatePrescaler_32) || \
+ ((PRESCALER) == SPI_BaudRatePrescaler_64) || \
+ ((PRESCALER) == SPI_BaudRatePrescaler_128) || \
+ ((PRESCALER) == SPI_BaudRatePrescaler_256))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_MSB_LSB_transmission
+ * @{
+ */
+
+#define SPI_FirstBit_MSB ((uint16_t)0x0000)
+#define SPI_FirstBit_LSB SPI_CR1_LSBFIRST
+#define IS_SPI_FIRST_BIT(BIT) (((BIT) == SPI_FirstBit_MSB) || \
+ ((BIT) == SPI_FirstBit_LSB))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_I2S_Mode
+ * @{
+ */
+
+#define I2S_Mode_SlaveTx ((uint16_t)0x0000)
+#define I2S_Mode_SlaveRx ((uint16_t)0x0100)
+#define I2S_Mode_MasterTx ((uint16_t)0x0200)
+#define I2S_Mode_MasterRx ((uint16_t)0x0300)
+#define IS_I2S_MODE(MODE) (((MODE) == I2S_Mode_SlaveTx) || \
+ ((MODE) == I2S_Mode_SlaveRx) || \
+ ((MODE) == I2S_Mode_MasterTx)|| \
+ ((MODE) == I2S_Mode_MasterRx))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_I2S_Standard
+ * @{
+ */
+
+#define I2S_Standard_Phillips ((uint16_t)0x0000)
+#define I2S_Standard_MSB ((uint16_t)0x0010)
+#define I2S_Standard_LSB ((uint16_t)0x0020)
+#define I2S_Standard_PCMShort ((uint16_t)0x0030)
+#define I2S_Standard_PCMLong ((uint16_t)0x00B0)
+#define IS_I2S_STANDARD(STANDARD) (((STANDARD) == I2S_Standard_Phillips) || \
+ ((STANDARD) == I2S_Standard_MSB) || \
+ ((STANDARD) == I2S_Standard_LSB) || \
+ ((STANDARD) == I2S_Standard_PCMShort) || \
+ ((STANDARD) == I2S_Standard_PCMLong))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_I2S_Data_Format
+ * @{
+ */
+
+#define I2S_DataFormat_16b ((uint16_t)0x0000)
+#define I2S_DataFormat_16bextended ((uint16_t)0x0001)
+#define I2S_DataFormat_24b ((uint16_t)0x0003)
+#define I2S_DataFormat_32b ((uint16_t)0x0005)
+#define IS_I2S_DATA_FORMAT(FORMAT) (((FORMAT) == I2S_DataFormat_16b) || \
+ ((FORMAT) == I2S_DataFormat_16bextended) || \
+ ((FORMAT) == I2S_DataFormat_24b) || \
+ ((FORMAT) == I2S_DataFormat_32b))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_I2S_MCLK_Output
+ * @{
+ */
+
+#define I2S_MCLKOutput_Enable SPI_I2SPR_MCKOE
+#define I2S_MCLKOutput_Disable ((uint16_t)0x0000)
+#define IS_I2S_MCLK_OUTPUT(OUTPUT) (((OUTPUT) == I2S_MCLKOutput_Enable) || \
+ ((OUTPUT) == I2S_MCLKOutput_Disable))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_I2S_Audio_Frequency
+ * @{
+ */
+
+#define I2S_AudioFreq_192k ((uint32_t)192000)
+#define I2S_AudioFreq_96k ((uint32_t)96000)
+#define I2S_AudioFreq_48k ((uint32_t)48000)
+#define I2S_AudioFreq_44k ((uint32_t)44100)
+#define I2S_AudioFreq_32k ((uint32_t)32000)
+#define I2S_AudioFreq_22k ((uint32_t)22050)
+#define I2S_AudioFreq_16k ((uint32_t)16000)
+#define I2S_AudioFreq_11k ((uint32_t)11025)
+#define I2S_AudioFreq_8k ((uint32_t)8000)
+#define I2S_AudioFreq_Default ((uint32_t)2)
+
+#define IS_I2S_AUDIO_FREQ(FREQ) ((((FREQ) >= I2S_AudioFreq_8k) && \
+ ((FREQ) <= I2S_AudioFreq_192k)) || \
+ ((FREQ) == I2S_AudioFreq_Default))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_I2S_Clock_Polarity
+ * @{
+ */
+
+#define I2S_CPOL_Low ((uint16_t)0x0000)
+#define I2S_CPOL_High SPI_I2SCFGR_CKPOL
+#define IS_I2S_CPOL(CPOL) (((CPOL) == I2S_CPOL_Low) || \
+ ((CPOL) == I2S_CPOL_High))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_FIFO_reception_threshold
+ * @{
+ */
+
+#define SPI_RxFIFOThreshold_HF ((uint16_t)0x0000)
+#define SPI_RxFIFOThreshold_QF SPI_CR2_FRXTH
+#define IS_SPI_RX_FIFO_THRESHOLD(THRESHOLD) (((THRESHOLD) == SPI_RxFIFOThreshold_HF) || \
+ ((THRESHOLD) == SPI_RxFIFOThreshold_QF))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_I2S_DMA_transfer_requests
+ * @{
+ */
+
+#define SPI_I2S_DMAReq_Tx SPI_CR2_TXDMAEN
+#define SPI_I2S_DMAReq_Rx SPI_CR2_RXDMAEN
+#define IS_SPI_I2S_DMA_REQ(REQ) ((((REQ) & (uint16_t)0xFFFC) == 0x00) && ((REQ) != 0x00))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_last_DMA_transfers
+ * @{
+ */
+
+#define SPI_LastDMATransfer_TxEvenRxEven ((uint16_t)0x0000)
+#define SPI_LastDMATransfer_TxOddRxEven ((uint16_t)0x4000)
+#define SPI_LastDMATransfer_TxEvenRxOdd ((uint16_t)0x2000)
+#define SPI_LastDMATransfer_TxOddRxOdd ((uint16_t)0x6000)
+#define IS_SPI_LAST_DMA_TRANSFER(TRANSFER) (((TRANSFER) == SPI_LastDMATransfer_TxEvenRxEven) || \
+ ((TRANSFER) == SPI_LastDMATransfer_TxOddRxEven) || \
+ ((TRANSFER) == SPI_LastDMATransfer_TxEvenRxOdd) || \
+ ((TRANSFER) == SPI_LastDMATransfer_TxOddRxOdd))
+/**
+ * @}
+ */
+/** @defgroup SPI_NSS_internal_software_management
+ * @{
+ */
+
+#define SPI_NSSInternalSoft_Set SPI_CR1_SSI
+#define SPI_NSSInternalSoft_Reset ((uint16_t)0xFEFF)
+#define IS_SPI_NSS_INTERNAL(INTERNAL) (((INTERNAL) == SPI_NSSInternalSoft_Set) || \
+ ((INTERNAL) == SPI_NSSInternalSoft_Reset))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_CRC_Transmit_Receive
+ * @{
+ */
+
+#define SPI_CRC_Tx ((uint8_t)0x00)
+#define SPI_CRC_Rx ((uint8_t)0x01)
+#define IS_SPI_CRC(CRC) (((CRC) == SPI_CRC_Tx) || ((CRC) == SPI_CRC_Rx))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_direction_transmit_receive
+ * @{
+ */
+
+#define SPI_Direction_Rx ((uint16_t)0xBFFF)
+#define SPI_Direction_Tx ((uint16_t)0x4000)
+#define IS_SPI_DIRECTION(DIRECTION) (((DIRECTION) == SPI_Direction_Rx) || \
+ ((DIRECTION) == SPI_Direction_Tx))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_I2S_interrupts_definition
+ * @{
+ */
+
+#define SPI_I2S_IT_TXE ((uint8_t)0x71)
+#define SPI_I2S_IT_RXNE ((uint8_t)0x60)
+#define SPI_I2S_IT_ERR ((uint8_t)0x50)
+
+#define IS_SPI_I2S_CONFIG_IT(IT) (((IT) == SPI_I2S_IT_TXE) || \
+ ((IT) == SPI_I2S_IT_RXNE) || \
+ ((IT) == SPI_I2S_IT_ERR))
+
+#define I2S_IT_UDR ((uint8_t)0x53)
+#define SPI_IT_MODF ((uint8_t)0x55)
+#define SPI_I2S_IT_OVR ((uint8_t)0x56)
+#define SPI_I2S_IT_FRE ((uint8_t)0x58)
+
+#define IS_SPI_I2S_GET_IT(IT) (((IT) == SPI_I2S_IT_RXNE) || ((IT) == SPI_I2S_IT_TXE) || \
+ ((IT) == SPI_I2S_IT_OVR) || ((IT) == SPI_IT_MODF) || \
+ ((IT) == SPI_I2S_IT_FRE)|| ((IT) == I2S_IT_UDR))
+/**
+ * @}
+ */
+
+
+/** @defgroup SPI_transmission_fifo_status_level
+ * @{
+ */
+
+#define SPI_TransmissionFIFOStatus_Empty ((uint16_t)0x0000)
+#define SPI_TransmissionFIFOStatus_1QuarterFull ((uint16_t)0x0800)
+#define SPI_TransmissionFIFOStatus_HalfFull ((uint16_t)0x1000)
+#define SPI_TransmissionFIFOStatus_Full ((uint16_t)0x1800)
+
+/**
+ * @}
+ */
+
+/** @defgroup SPI_reception_fifo_status_level
+ * @{
+ */
+#define SPI_ReceptionFIFOStatus_Empty ((uint16_t)0x0000)
+#define SPI_ReceptionFIFOStatus_1QuarterFull ((uint16_t)0x0200)
+#define SPI_ReceptionFIFOStatus_HalfFull ((uint16_t)0x0400)
+#define SPI_ReceptionFIFOStatus_Full ((uint16_t)0x0600)
+
+/**
+ * @}
+ */
+
+
+/** @defgroup SPI_I2S_flags_definition
+ * @{
+ */
+
+#define SPI_I2S_FLAG_RXNE SPI_SR_RXNE
+#define SPI_I2S_FLAG_TXE SPI_SR_TXE
+#define I2S_FLAG_CHSIDE SPI_SR_CHSIDE
+#define I2S_FLAG_UDR SPI_SR_UDR
+#define SPI_FLAG_CRCERR SPI_SR_CRCERR
+#define SPI_FLAG_MODF SPI_SR_MODF
+#define SPI_I2S_FLAG_OVR SPI_SR_OVR
+#define SPI_I2S_FLAG_BSY SPI_SR_BSY
+#define SPI_I2S_FLAG_FRE SPI_SR_FRE
+
+
+
+#define IS_SPI_CLEAR_FLAG(FLAG) (((FLAG) == SPI_FLAG_CRCERR))
+#define IS_SPI_I2S_GET_FLAG(FLAG) (((FLAG) == SPI_I2S_FLAG_BSY) || ((FLAG) == SPI_I2S_FLAG_OVR) || \
+ ((FLAG) == SPI_FLAG_MODF) || ((FLAG) == SPI_FLAG_CRCERR) || \
+ ((FLAG) == SPI_I2S_FLAG_TXE) || ((FLAG) == SPI_I2S_FLAG_RXNE)|| \
+ ((FLAG) == SPI_I2S_FLAG_FRE)|| ((FLAG) == I2S_FLAG_CHSIDE)|| \
+ ((FLAG) == I2S_FLAG_UDR))
+/**
+ * @}
+ */
+
+/** @defgroup SPI_CRC_polynomial
+ * @{
+ */
+
+#define IS_SPI_CRC_POLYNOMIAL(POLYNOMIAL) ((POLYNOMIAL) >= 0x1)
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+
+/* Initialization and Configuration functions *********************************/
+void SPI_I2S_DeInit(SPI_TypeDef* SPIx);
+void SPI_Init(SPI_TypeDef* SPIx, SPI_InitTypeDef* SPI_InitStruct);
+void I2S_Init(SPI_TypeDef* SPIx, I2S_InitTypeDef* I2S_InitStruct); /*!< Not applicable for STM32F030 devices */
+void SPI_StructInit(SPI_InitTypeDef* SPI_InitStruct);
+void I2S_StructInit(I2S_InitTypeDef* I2S_InitStruct); /*!< Not applicable for STM32F030 devices */
+void SPI_TIModeCmd(SPI_TypeDef* SPIx, FunctionalState NewState);
+void SPI_NSSPulseModeCmd(SPI_TypeDef* SPIx, FunctionalState NewState);
+void SPI_Cmd(SPI_TypeDef* SPIx, FunctionalState NewState);
+void I2S_Cmd(SPI_TypeDef* SPIx, FunctionalState NewState); /*!< Not applicable for STM32F030 devices */
+void SPI_DataSizeConfig(SPI_TypeDef* SPIx, uint16_t SPI_DataSize);
+void SPI_RxFIFOThresholdConfig(SPI_TypeDef* SPIx, uint16_t SPI_RxFIFOThreshold);
+void SPI_BiDirectionalLineConfig(SPI_TypeDef* SPIx, uint16_t SPI_Direction);
+void SPI_NSSInternalSoftwareConfig(SPI_TypeDef* SPIx, uint16_t SPI_NSSInternalSoft);
+void SPI_SSOutputCmd(SPI_TypeDef* SPIx, FunctionalState NewState);
+
+/* Data transfers functions ***************************************************/
+void SPI_SendData8(SPI_TypeDef* SPIx, uint8_t Data);
+void SPI_I2S_SendData16(SPI_TypeDef* SPIx, uint16_t Data);
+uint8_t SPI_ReceiveData8(SPI_TypeDef* SPIx);
+uint16_t SPI_I2S_ReceiveData16(SPI_TypeDef* SPIx);
+
+/* Hardware CRC Calculation functions *****************************************/
+void SPI_CRCLengthConfig(SPI_TypeDef* SPIx, uint16_t SPI_CRCLength);
+void SPI_CalculateCRC(SPI_TypeDef* SPIx, FunctionalState NewState);
+void SPI_TransmitCRC(SPI_TypeDef* SPIx);
+uint16_t SPI_GetCRC(SPI_TypeDef* SPIx, uint8_t SPI_CRC);
+uint16_t SPI_GetCRCPolynomial(SPI_TypeDef* SPIx);
+
+/* DMA transfers management functions *****************************************/
+void SPI_I2S_DMACmd(SPI_TypeDef* SPIx, uint16_t SPI_I2S_DMAReq, FunctionalState NewState);
+void SPI_LastDMATransferCmd(SPI_TypeDef* SPIx, uint16_t SPI_LastDMATransfer);
+
+/* Interrupts and flags management functions **********************************/
+void SPI_I2S_ITConfig(SPI_TypeDef* SPIx, uint8_t SPI_I2S_IT, FunctionalState NewState);
+uint16_t SPI_GetTransmissionFIFOStatus(SPI_TypeDef* SPIx);
+uint16_t SPI_GetReceptionFIFOStatus(SPI_TypeDef* SPIx);
+FlagStatus SPI_I2S_GetFlagStatus(SPI_TypeDef* SPIx, uint16_t SPI_I2S_FLAG);
+void SPI_I2S_ClearFlag(SPI_TypeDef* SPIx, uint16_t SPI_I2S_FLAG);
+ITStatus SPI_I2S_GetITStatus(SPI_TypeDef* SPIx, uint8_t SPI_I2S_IT);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*__STM32F0XX_SPI_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_syscfg.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_syscfg.h
new file mode 100644
index 00000000..86560377
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_syscfg.h
@@ -0,0 +1,459 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_syscfg.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the SYSCFG firmware
+ * library.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/*!< Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_SYSCFG_H
+#define __STM32F0XX_SYSCFG_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/*!< Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup SYSCFG
+ * @{
+ */
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup SYSCFG_Exported_Constants
+ * @{
+ */
+
+/** @defgroup SYSCFG_EXTI_Port_Sources
+ * @{
+ */
+#define EXTI_PortSourceGPIOA ((uint8_t)0x00)
+#define EXTI_PortSourceGPIOB ((uint8_t)0x01)
+#define EXTI_PortSourceGPIOC ((uint8_t)0x02)
+#define EXTI_PortSourceGPIOD ((uint8_t)0x03) /*!< not available for STM32F031 devices */
+#define EXTI_PortSourceGPIOE ((uint8_t)0x04) /*!< only available for STM32F072 devices */
+#define EXTI_PortSourceGPIOF ((uint8_t)0x05)
+
+#define IS_EXTI_PORT_SOURCE(PORTSOURCE) (((PORTSOURCE) == EXTI_PortSourceGPIOA) || \
+ ((PORTSOURCE) == EXTI_PortSourceGPIOB) || \
+ ((PORTSOURCE) == EXTI_PortSourceGPIOC) || \
+ ((PORTSOURCE) == EXTI_PortSourceGPIOD) || \
+ ((PORTSOURCE) == EXTI_PortSourceGPIOE) || \
+ ((PORTSOURCE) == EXTI_PortSourceGPIOF))
+/**
+ * @}
+ */
+
+/** @defgroup SYSCFG_EXTI_Pin_sources
+ * @{
+ */
+#define EXTI_PinSource0 ((uint8_t)0x00)
+#define EXTI_PinSource1 ((uint8_t)0x01)
+#define EXTI_PinSource2 ((uint8_t)0x02)
+#define EXTI_PinSource3 ((uint8_t)0x03)
+#define EXTI_PinSource4 ((uint8_t)0x04)
+#define EXTI_PinSource5 ((uint8_t)0x05)
+#define EXTI_PinSource6 ((uint8_t)0x06)
+#define EXTI_PinSource7 ((uint8_t)0x07)
+#define EXTI_PinSource8 ((uint8_t)0x08)
+#define EXTI_PinSource9 ((uint8_t)0x09)
+#define EXTI_PinSource10 ((uint8_t)0x0A)
+#define EXTI_PinSource11 ((uint8_t)0x0B)
+#define EXTI_PinSource12 ((uint8_t)0x0C)
+#define EXTI_PinSource13 ((uint8_t)0x0D)
+#define EXTI_PinSource14 ((uint8_t)0x0E)
+#define EXTI_PinSource15 ((uint8_t)0x0F)
+
+#define IS_EXTI_PIN_SOURCE(PINSOURCE) (((PINSOURCE) == EXTI_PinSource0) || \
+ ((PINSOURCE) == EXTI_PinSource1) || \
+ ((PINSOURCE) == EXTI_PinSource2) || \
+ ((PINSOURCE) == EXTI_PinSource3) || \
+ ((PINSOURCE) == EXTI_PinSource4) || \
+ ((PINSOURCE) == EXTI_PinSource5) || \
+ ((PINSOURCE) == EXTI_PinSource6) || \
+ ((PINSOURCE) == EXTI_PinSource7) || \
+ ((PINSOURCE) == EXTI_PinSource8) || \
+ ((PINSOURCE) == EXTI_PinSource9) || \
+ ((PINSOURCE) == EXTI_PinSource10) || \
+ ((PINSOURCE) == EXTI_PinSource11) || \
+ ((PINSOURCE) == EXTI_PinSource12) || \
+ ((PINSOURCE) == EXTI_PinSource13) || \
+ ((PINSOURCE) == EXTI_PinSource14) || \
+ ((PINSOURCE) == EXTI_PinSource15))
+/**
+ * @}
+ */
+
+/** @defgroup SYSCFG_Memory_Remap_Config
+ * @{
+ */
+#define SYSCFG_MemoryRemap_Flash ((uint8_t)0x00)
+#define SYSCFG_MemoryRemap_SystemMemory ((uint8_t)0x01)
+#define SYSCFG_MemoryRemap_SRAM ((uint8_t)0x03)
+
+
+#define IS_SYSCFG_MEMORY_REMAP(REMAP) (((REMAP) == SYSCFG_MemoryRemap_Flash) || \
+ ((REMAP) == SYSCFG_MemoryRemap_SystemMemory) || \
+ ((REMAP) == SYSCFG_MemoryRemap_SRAM))
+
+/**
+ * @}
+ */
+
+/** @defgroup SYSCFG_DMA_Remap_Config
+ * @{
+ */
+#define SYSCFG_DMARemap_TIM3 SYSCFG_CFGR1_TIM3_DMA_RMP /* Remap TIM3 DMA requests from channel4 to channel6,
+ available only for STM32F072 devices */
+#define SYSCFG_DMARemap_TIM2 SYSCFG_CFGR1_TIM2_DMA_RMP /* Remap TIM2 DMA requests from channel3/4 to channel7,
+ available only for STM32F072 devices */
+#define SYSCFG_DMARemap_TIM1 SYSCFG_CFGR1_TIM1_DMA_RMP /* Remap TIM1 DMA requests from channel2/3/4 to channel6,
+ available only for STM32F072 devices */
+#define SYSCFG_DMARemap_I2C1 SYSCFG_CFGR1_I2C1_DMA_RMP /* Remap I2C1 DMA requests from channel3/2 to channel7/6,
+ available only for STM32F072 devices */
+#define SYSCFG_DMARemap_USART3 SYSCFG_CFGR1_USART3_DMA_RMP /* Remap USART3 DMA requests from channel6/7 to channel3/2,
+ available only for STM32F072 devices */
+#define SYSCFG_DMARemap_USART2 SYSCFG_CFGR1_USART2_DMA_RMP /* Remap USART2 DMA requests from channel4/5 to channel6/7,
+ available only for STM32F072 devices */
+#define SYSCFG_DMARemap_SPI2 SYSCFG_CFGR1_SPI2_DMA_RMP /* Remap SPI2 DMA requests from channel4/5 to channel6/7,
+ available only for STM32F072 devices */
+#define SYSCFG_DMARemap_TIM17_2 SYSCFG_CFGR1_TIM17_DMA_RMP2 /* Remap TIM17 DMA requests from channel1/2 to channel7,
+ available only for STM32F072 devices */
+#define SYSCFG_DMARemap_TIM16_2 SYSCFG_CFGR1_TIM16_DMA_RMP2 /* Remap TIM16 DMA requests from channel3/4 to channel6,
+ available only for STM32F072 devices */
+#define SYSCFG_DMARemap_TIM17 SYSCFG_CFGR1_TIM17_DMA_RMP /* Remap TIM17 DMA requests from channel1 to channel2 */
+#define SYSCFG_DMARemap_TIM16 SYSCFG_CFGR1_TIM16_DMA_RMP /* Remap TIM16 DMA requests from channel3 to channel4 */
+#define SYSCFG_DMARemap_USART1Rx SYSCFG_CFGR1_USART1RX_DMA_RMP /* Remap USART1 Rx DMA requests from channel3 to channel5 */
+#define SYSCFG_DMARemap_USART1Tx SYSCFG_CFGR1_USART1TX_DMA_RMP /* Remap USART1 Tx DMA requests from channel2 to channel4 */
+#define SYSCFG_DMARemap_ADC1 SYSCFG_CFGR1_ADC_DMA_RMP /* Remap ADC1 DMA requests from channel1 to channel2 */
+
+#define IS_SYSCFG_DMA_REMAP(REMAP) (((REMAP) == SYSCFG_DMARemap_TIM17) || \
+ ((REMAP) == SYSCFG_DMARemap_TIM16) || \
+ ((REMAP) == SYSCFG_DMARemap_USART1Rx) || \
+ ((REMAP) == SYSCFG_DMARemap_USART1Tx) || \
+ ((REMAP) == SYSCFG_CFGR1_TIM3_DMA_RMP) || \
+ ((REMAP) == SYSCFG_CFGR1_TIM2_DMA_RMP) || \
+ ((REMAP) == SYSCFG_CFGR1_TIM1_DMA_RMP) || \
+ ((REMAP) == SYSCFG_CFGR1_I2C1_DMA_RMP) || \
+ ((REMAP) == SYSCFG_CFGR1_USART3_DMA_RMP) || \
+ ((REMAP) == SYSCFG_CFGR1_USART2_DMA_RMP) || \
+ ((REMAP) == SYSCFG_CFGR1_SPI2_DMA_RMP) || \
+ ((REMAP) == SYSCFG_CFGR1_TIM17_DMA_RMP2) || \
+ ((REMAP) == SYSCFG_CFGR1_TIM16_DMA_RMP2) || \
+ ((REMAP) == SYSCFG_DMARemap_ADC1))
+
+/**
+ * @}
+ */
+
+/** @defgroup SYSCFG_I2C_FastModePlus_Config
+ * @{
+ */
+#define SYSCFG_I2CFastModePlus_PB6 SYSCFG_CFGR1_I2C_FMP_PB6 /* Enable Fast Mode Plus on PB6 */
+#define SYSCFG_I2CFastModePlus_PB7 SYSCFG_CFGR1_I2C_FMP_PB7 /* Enable Fast Mode Plus on PB7 */
+#define SYSCFG_I2CFastModePlus_PB8 SYSCFG_CFGR1_I2C_FMP_PB8 /* Enable Fast Mode Plus on PB8 */
+#define SYSCFG_I2CFastModePlus_PB9 SYSCFG_CFGR1_I2C_FMP_PB9 /* Enable Fast Mode Plus on PB9 */
+#define SYSCFG_I2CFastModePlus_I2C1 SYSCFG_CFGR1_I2C_FMP_I2C1 /* Enable Fast Mode Plus on PB10, PB11, PF6 and PF7(only for STM32F0031 and STM32F030 devices) */
+#define SYSCFG_I2CFastModePlus_I2C2 SYSCFG_CFGR1_I2C_FMP_I2C2 /* Enable Fast Mode Plus on I2C2 pins, available only for STM32F072 devices */
+#define SYSCFG_I2CFastModePlus_PA9 SYSCFG_CFGR1_I2C_FMP_PA9 /* Enable Fast Mode Plus on PA9 (only for STM32F031 and STM32F030 devices) */
+#define SYSCFG_I2CFastModePlus_PA10 SYSCFG_CFGR1_I2C_FMP_PA10/* Enable Fast Mode Plus on PA10(only for STM32F031 and STM32F030 devices) */
+
+#define IS_SYSCFG_I2C_FMP(PIN) (((PIN) == SYSCFG_I2CFastModePlus_PB6) || \
+ ((PIN) == SYSCFG_I2CFastModePlus_PB7) || \
+ ((PIN) == SYSCFG_I2CFastModePlus_PB8) || \
+ ((PIN) == SYSCFG_I2CFastModePlus_PB9) || \
+ ((PIN) == SYSCFG_I2CFastModePlus_I2C1) || \
+ ((PIN) == SYSCFG_I2CFastModePlus_I2C2) || \
+ ((PIN) == SYSCFG_I2CFastModePlus_PA9) || \
+ ((PIN) == SYSCFG_I2CFastModePlus_PA10))
+
+
+/**
+ * @}
+ */
+
+/** @defgroup SYSCFG_Lock_Config
+ * @{
+ */
+#define SYSCFG_Break_PVD SYSCFG_CFGR2_PVD_LOCK /*!< Connects the PVD event to the Break Input of TIM1, not available for STM32F030 devices */
+#define SYSCFG_Break_SRAMParity SYSCFG_CFGR2_SRAM_PARITY_LOCK /*!< Connects the SRAM_PARITY error signal to the Break Input of TIM1 */
+#define SYSCFG_Break_Lockup SYSCFG_CFGR2_LOCKUP_LOCK /*!< Connects Lockup output of CortexM0 to the break input of TIM1 */
+
+#define IS_SYSCFG_LOCK_CONFIG(CONFIG) (((CONFIG) == SYSCFG_Break_PVD) || \
+ ((CONFIG) == SYSCFG_Break_SRAMParity) || \
+ ((CONFIG) == SYSCFG_Break_Lockup))
+
+/**
+ * @}
+ */
+
+/** @defgroup SYSCFG_flags_definition
+ * @{
+ */
+
+#define SYSCFG_FLAG_PE SYSCFG_CFGR2_SRAM_PE
+
+#define IS_SYSCFG_FLAG(FLAG) (((FLAG) == SYSCFG_FLAG_PE))
+
+/**
+ * @}
+ */
+
+/** @defgroup SYSCFG_ISR_WRAPPER
+ * @{
+ */
+#define SYSCFG_ITLINE0 ((uint32_t) 0x00000000)
+#define SYSCFG_ITLINE1 ((uint32_t) 0x00000001)
+#define SYSCFG_ITLINE2 ((uint32_t) 0x00000002)
+#define SYSCFG_ITLINE3 ((uint32_t) 0x00000003)
+#define SYSCFG_ITLINE4 ((uint32_t) 0x00000004)
+#define SYSCFG_ITLINE5 ((uint32_t) 0x00000005)
+#define SYSCFG_ITLINE6 ((uint32_t) 0x00000006)
+#define SYSCFG_ITLINE7 ((uint32_t) 0x00000007)
+#define SYSCFG_ITLINE8 ((uint32_t) 0x00000008)
+#define SYSCFG_ITLINE9 ((uint32_t) 0x00000009)
+#define SYSCFG_ITLINE10 ((uint32_t) 0x0000000A)
+#define SYSCFG_ITLINE11 ((uint32_t) 0x0000000B)
+#define SYSCFG_ITLINE12 ((uint32_t) 0x0000000C)
+#define SYSCFG_ITLINE13 ((uint32_t) 0x0000000D)
+#define SYSCFG_ITLINE14 ((uint32_t) 0x0000000E)
+#define SYSCFG_ITLINE15 ((uint32_t) 0x0000000F)
+#define SYSCFG_ITLINE16 ((uint32_t) 0x00000010)
+#define SYSCFG_ITLINE17 ((uint32_t) 0x00000011)
+#define SYSCFG_ITLINE18 ((uint32_t) 0x00000012)
+#define SYSCFG_ITLINE19 ((uint32_t) 0x00000013)
+#define SYSCFG_ITLINE20 ((uint32_t) 0x00000014)
+#define SYSCFG_ITLINE21 ((uint32_t) 0x00000015)
+#define SYSCFG_ITLINE22 ((uint32_t) 0x00000016)
+#define SYSCFG_ITLINE23 ((uint32_t) 0x00000017)
+#define SYSCFG_ITLINE24 ((uint32_t) 0x00000018)
+#define SYSCFG_ITLINE25 ((uint32_t) 0x00000019)
+#define SYSCFG_ITLINE26 ((uint32_t) 0x0000001A)
+#define SYSCFG_ITLINE27 ((uint32_t) 0x0000001B)
+#define SYSCFG_ITLINE28 ((uint32_t) 0x0000001C)
+#define SYSCFG_ITLINE29 ((uint32_t) 0x0000001D)
+#define SYSCFG_ITLINE30 ((uint32_t) 0x0000001E)
+#define SYSCFG_ITLINE31 ((uint32_t) 0x0000001F)
+
+#define ITLINE_EWDG ((uint32_t) ((SYSCFG_ITLINE0 << 0x18) | SYSCFG_ITLINE0_SR_EWDG)) /* EWDG Interrupt */
+#define ITLINE_PVDOUT ((uint32_t) ((SYSCFG_ITLINE1 << 0x18) | SYSCFG_ITLINE1_SR_PVDOUT)) /* Power voltage detection Interrupt */
+#define ITLINE_VDDIO2 ((uint32_t) ((SYSCFG_ITLINE1 << 0x18) | SYSCFG_ITLINE1_SR_VDDIO2)) /* VDDIO2 Interrupt */
+#define ITLINE_RTC_WAKEUP ((uint32_t) ((SYSCFG_ITLINE2 << 0x18) | SYSCFG_ITLINE2_SR_RTC_WAKEUP)) /* RTC WAKEUP -> exti[20] Interrupt */
+#define ITLINE_RTC_TSTAMP ((uint32_t) ((SYSCFG_ITLINE2 << 0x18) | SYSCFG_ITLINE2_SR_RTC_TSTAMP)) /* RTC Time Stamp -> exti[19] interrupt */
+#define ITLINE_RTC_ALRA ((uint32_t) ((SYSCFG_ITLINE2 << 0x18) | SYSCFG_ITLINE2_SR_RTC_ALRA)) /* RTC Alarm -> exti[17] interrupt */
+#define ITLINE_FLASH_ITF ((uint32_t) ((SYSCFG_ITLINE3 << 0x18) | SYSCFG_ITLINE3_SR_FLASH_ITF)) /* Flash ITF Interrupt */
+#define ITLINE_CRS ((uint32_t) ((SYSCFG_ITLINE4 << 0x18) | SYSCFG_ITLINE4_SR_CRS)) /* CRS Interrupt */
+#define ITLINE_CLK_CTRL ((uint32_t) ((SYSCFG_ITLINE4 << 0x18) | SYSCFG_ITLINE4_SR_CLK_CTRL)) /* CLK Control Interrupt */
+#define ITLINE_EXTI0 ((uint32_t) ((SYSCFG_ITLINE5 << 0x18) | SYSCFG_ITLINE5_SR_EXTI0)) /* External Interrupt 0 */
+#define ITLINE_EXTI1 ((uint32_t) ((SYSCFG_ITLINE5 << 0x18) | SYSCFG_ITLINE5_SR_EXTI1)) /* External Interrupt 1 */
+#define ITLINE_EXTI2 ((uint32_t) ((SYSCFG_ITLINE6 << 0x18) | SYSCFG_ITLINE6_SR_EXTI2)) /* External Interrupt 2 */
+#define ITLINE_EXTI3 ((uint32_t) ((SYSCFG_ITLINE6 << 0x18) | SYSCFG_ITLINE6_SR_EXTI3)) /* External Interrupt 3 */
+#define ITLINE_EXTI4 ((uint32_t) ((SYSCFG_ITLINE7 << 0x18) | SYSCFG_ITLINE7_SR_EXTI4)) /* EXTI4 Interrupt */
+#define ITLINE_EXTI5 ((uint32_t) ((SYSCFG_ITLINE7 << 0x18) | SYSCFG_ITLINE7_SR_EXTI5)) /* EXTI5 Interrupt */
+#define ITLINE_EXTI6 ((uint32_t) ((SYSCFG_ITLINE7 << 0x18) | SYSCFG_ITLINE7_SR_EXTI6)) /* EXTI6 Interrupt */
+#define ITLINE_EXTI7 ((uint32_t) ((SYSCFG_ITLINE7 << 0x18) | SYSCFG_ITLINE7_SR_EXTI7)) /* EXTI7 Interrupt */
+#define ITLINE_EXTI8 ((uint32_t) ((SYSCFG_ITLINE7 << 0x18) | SYSCFG_ITLINE7_SR_EXTI8)) /* EXTI8 Interrupt */
+#define ITLINE_EXTI9 ((uint32_t) ((SYSCFG_ITLINE7 << 0x18) | SYSCFG_ITLINE7_SR_EXTI9)) /* EXTI9 Interrupt */
+#define ITLINE_EXTI10 ((uint32_t) ((SYSCFG_ITLINE7 << 0x18) | SYSCFG_ITLINE7_SR_EXTI10)) /* EXTI10 Interrupt */
+#define ITLINE_EXTI11 ((uint32_t) ((SYSCFG_ITLINE7 << 0x18) | SYSCFG_ITLINE7_SR_EXTI11)) /* EXTI11 Interrupt */
+#define ITLINE_EXTI12 ((uint32_t) ((SYSCFG_ITLINE7 << 0x18) | SYSCFG_ITLINE7_SR_EXTI12)) /* EXTI12 Interrupt */
+#define ITLINE_EXTI13 ((uint32_t) ((SYSCFG_ITLINE7 << 0x18) | SYSCFG_ITLINE7_SR_EXTI13)) /* EXTI13 Interrupt */
+#define ITLINE_EXTI14 ((uint32_t) ((SYSCFG_ITLINE7 << 0x18) | SYSCFG_ITLINE7_SR_EXTI14)) /* EXTI14 Interrupt */
+#define ITLINE_EXTI15 ((uint32_t) ((SYSCFG_ITLINE7 << 0x18) | SYSCFG_ITLINE7_SR_EXTI15)) /* EXTI15 Interrupt */
+#define ITLINE_TSC_EOA ((uint32_t) ((SYSCFG_ITLINE8 << 0x18) | SYSCFG_ITLINE8_SR_TSC_EOA)) /* Touch control EOA Interrupt */
+#define ITLINE_TSC_MCE ((uint32_t) ((SYSCFG_ITLINE8 << 0x18) | SYSCFG_ITLINE8_SR_TSC_MCE)) /* Touch control MCE Interrupt */
+#define ITLINE_DMA1_CH1 ((uint32_t) ((SYSCFG_ITLINE9 << 0x18) | SYSCFG_ITLINE9_SR_DMA1_CH1)) /* DMA1 Channel 1 Interrupt */
+#define ITLINE_DMA1_CH2 ((uint32_t) ((SYSCFG_ITLINE10 << 0x18) | SYSCFG_ITLINE10_SR_DMA1_CH2)) /* DMA1 Channel 2 Interrupt */
+#define ITLINE_DMA1_CH3 ((uint32_t) ((SYSCFG_ITLINE10 << 0x18) | SYSCFG_ITLINE10_SR_DMA1_CH3)) /* DMA1 Channel 3 Interrupt */
+#define ITLINE_DMA2_CH1 ((uint32_t) ((SYSCFG_ITLINE10 << 0x18) | SYSCFG_ITLINE10_SR_DMA2_CH1)) /* DMA2 Channel 1 Interrupt */
+#define ITLINE_DMA2_CH2 ((uint32_t) ((SYSCFG_ITLINE10 << 0x18) | SYSCFG_ITLINE10_SR_DMA2_CH2)) /* DMA2 Channel 2 Interrupt */
+#define ITLINE_DMA1_CH4 ((uint32_t) ((SYSCFG_ITLINE11 << 0x18) | SYSCFG_ITLINE11_SR_DMA1_CH4)) /* DMA1 Channel 4 Interrupt */
+#define ITLINE_DMA1_CH5 ((uint32_t) ((SYSCFG_ITLINE11 << 0x18) | SYSCFG_ITLINE11_SR_DMA1_CH5)) /* DMA1 Channel 5 Interrupt */
+#define ITLINE_DMA1_CH6 ((uint32_t) ((SYSCFG_ITLINE11 << 0x18) | SYSCFG_ITLINE11_SR_DMA1_CH6)) /* DMA1 Channel 6 Interrupt */
+#define ITLINE_DMA1_CH7 ((uint32_t) ((SYSCFG_ITLINE11 << 0x18) | SYSCFG_ITLINE11_SR_DMA1_CH7)) /* DMA1 Channel 7 Interrupt */
+#define ITLINE_DMA2_CH3 ((uint32_t) ((SYSCFG_ITLINE11 << 0x18) | SYSCFG_ITLINE11_SR_DMA2_CH3)) /* DMA2 Channel 3 Interrupt */
+#define ITLINE_DMA2_CH4 ((uint32_t) ((SYSCFG_ITLINE11 << 0x18) | SYSCFG_ITLINE11_SR_DMA2_CH4)) /* DMA2 Channel 4 Interrupt */
+#define ITLINE_DMA2_CH5 ((uint32_t) ((SYSCFG_ITLINE11 << 0x18) | SYSCFG_ITLINE11_SR_DMA2_CH5)) /* DMA2 Channel 5 Interrupt */
+#define ITLINE_ADC ((uint32_t) ((SYSCFG_ITLINE12 << 0x18) | SYSCFG_ITLINE12_SR_ADC)) /* ADC Interrupt */
+#define ITLINE_COMP1 ((uint32_t) ((SYSCFG_ITLINE12 << 0x18) | SYSCFG_ITLINE12_SR_COMP1)) /* COMP1 Interrupt -> exti[21] */
+#define ITLINE_COMP2 ((uint32_t) ((SYSCFG_ITLINE12 << 0x18) | SYSCFG_ITLINE12_SR_COMP2)) /* COMP2 Interrupt -> exti[21] */
+#define ITLINE_TIM1_BRK ((uint32_t) ((SYSCFG_ITLINE13 << 0x18) | SYSCFG_ITLINE13_SR_TIM1_BRK)) /* TIM1 BRK Interrupt */
+#define ITLINE_TIM1_UPD ((uint32_t) ((SYSCFG_ITLINE13 << 0x18) | SYSCFG_ITLINE13_SR_TIM1_UPD)) /* TIM1 UPD Interrupt */
+#define ITLINE_TIM1_TRG ((uint32_t) ((SYSCFG_ITLINE13 << 0x18) | SYSCFG_ITLINE13_SR_TIM1_TRG)) /* TIM1 TRG Interrupt */
+#define ITLINE_TIM1_CCU ((uint32_t) ((SYSCFG_ITLINE13 << 0x18) | SYSCFG_ITLINE13_SR_TIM1_CCU)) /* TIM1 CCU Interrupt */
+#define ITLINE_TIM1_CC ((uint32_t) ((SYSCFG_ITLINE14 << 0x18) | SYSCFG_ITLINE14_SR_TIM1_CC)) /* TIM1 CC Interrupt */
+#define ITLINE_TIM2 ((uint32_t) ((SYSCFG_ITLINE15 << 0x18) | SYSCFG_ITLINE15_SR_TIM2_GLB)) /* TIM2 Interrupt */
+#define ITLINE_TIM3 ((uint32_t) ((SYSCFG_ITLINE16 << 0x18) | SYSCFG_ITLINE16_SR_TIM3_GLB)) /* TIM3 Interrupt */
+#define ITLINE_DAC ((uint32_t) ((SYSCFG_ITLINE17 << 0x18) | SYSCFG_ITLINE17_SR_DAC)) /* DAC Interrupt */
+#define ITLINE_TIM6 ((uint32_t) ((SYSCFG_ITLINE17 << 0x18) | SYSCFG_ITLINE17_SR_TIM6_GLB)) /* TIM6 Interrupt */
+#define ITLINE_TIM7 ((uint32_t) ((SYSCFG_ITLINE18 << 0x18) | SYSCFG_ITLINE18_SR_TIM7_GLB)) /* TIM7 Interrupt */
+#define ITLINE_TIM14 ((uint32_t) ((SYSCFG_ITLINE19 << 0x18) | SYSCFG_ITLINE19_SR_TIM14_GLB)) /* TIM14 Interrupt */
+#define ITLINE_TIM15 ((uint32_t) ((SYSCFG_ITLINE20 << 0x18) | SYSCFG_ITLINE20_SR_TIM15_GLB)) /* TIM15 Interrupt */
+#define ITLINE_TIM16 ((uint32_t) ((SYSCFG_ITLINE21 << 0x18) | SYSCFG_ITLINE21_SR_TIM16_GLB)) /* TIM16 Interrupt */
+#define ITLINE_TIM17 ((uint32_t) ((SYSCFG_ITLINE22 << 0x18) | SYSCFG_ITLINE22_SR_TIM17_GLB)) /* TIM17 Interrupt */
+#define ITLINE_I2C1 ((uint32_t) ((SYSCFG_ITLINE23 << 0x18) | SYSCFG_ITLINE23_SR_I2C1_GLB)) /* I2C1 Interrupt -> exti[23] */
+#define ITLINE_I2C2 ((uint32_t) ((SYSCFG_ITLINE24 << 0x18) | SYSCFG_ITLINE24_SR_I2C2_GLB)) /* I2C2 Interrupt */
+#define ITLINE_SPI1 ((uint32_t) ((SYSCFG_ITLINE25 << 0x18) | SYSCFG_ITLINE25_SR_SPI1)) /* I2C1 Interrupt -> exti[23] */
+#define ITLINE_SPI2 ((uint32_t) ((SYSCFG_ITLINE26 << 0x18) | SYSCFG_ITLINE26_SR_SPI2)) /* SPI1 Interrupt */
+#define ITLINE_USART1 ((uint32_t) ((SYSCFG_ITLINE27 << 0x18) | SYSCFG_ITLINE27_SR_USART1_GLB)) /*!< USART1 GLB Interrupt -> exti[25] */
+#define ITLINE_USART2 ((uint32_t) ((SYSCFG_ITLINE28 << 0x18) | SYSCFG_ITLINE28_SR_USART2_GLB)) /*!< USART2 GLB Interrupt -> exti[26] */
+#define ITLINE_USART3 ((uint32_t) ((SYSCFG_ITLINE29 << 0x18) | SYSCFG_ITLINE29_SR_USART3_GLB)) /* USART3 Interrupt */
+#define ITLINE_USART4 ((uint32_t) ((SYSCFG_ITLINE29 << 0x18) | SYSCFG_ITLINE29_SR_USART4_GLB)) /* USART4 Interrupt */
+#define ITLINE_USART5 ((uint32_t) ((SYSCFG_ITLINE29 << 0x18) | SYSCFG_ITLINE29_SR_USART5_GLB)) /* USART5 Interrupt */
+#define ITLINE_USART6 ((uint32_t) ((SYSCFG_ITLINE29 << 0x18) | SYSCFG_ITLINE29_SR_USART6_GLB)) /* USART6 Interrupt */
+#define ITLINE_USART7 ((uint32_t) ((SYSCFG_ITLINE29 << 0x18) | SYSCFG_ITLINE29_SR_USART7_GLB)) /* USART7 Interrupt */
+#define ITLINE_USART8 ((uint32_t) ((SYSCFG_ITLINE29 << 0x18) | SYSCFG_ITLINE29_SR_USART8_GLB)) /* USART8 Interrupt */
+#define ITLINE_CAN ((uint32_t) ((SYSCFG_ITLINE30 << 0x18) | SYSCFG_ITLINE30_SR_CAN)) /* CAN Interrupt */
+#define ITLINE_CEC ((uint32_t) ((SYSCFG_ITLINE30 << 0x18) | SYSCFG_ITLINE30_SR_CEC)) /* CEC Interrupt -> exti[27] */
+
+#define IS_SYSCFG_ITLINE(LINE) (((LINE) == ITLINE_EWDG) || \
+ ((LINE) == ITLINE_PVDOUT) || \
+ ((LINE) == ITLINE_VDDIO2) || \
+ ((LINE) == ITLINE_RTC_WAKEUP) || \
+ ((LINE) == ITLINE_RTC_TSTAMP) || \
+ ((LINE) == ITLINE_RTC_ALRA) || \
+ ((LINE) == ITLINE_FLASH_ITF) || \
+ ((LINE) == ITLINE_CRS) || \
+ ((LINE) == ITLINE_CLK_CTRL) || \
+ ((LINE) == ITLINE_EXTI0) || \
+ ((LINE) == ITLINE_EXTI1) || \
+ ((LINE) == ITLINE_EXTI2) || \
+ ((LINE) == ITLINE_EXTI3) || \
+ ((LINE) == ITLINE_EXTI4) || \
+ ((LINE) == ITLINE_EXTI5) || \
+ ((LINE) == ITLINE_EXTI6) || \
+ ((LINE) == ITLINE_EXTI7) || \
+ ((LINE) == ITLINE_EXTI8) || \
+ ((LINE) == ITLINE_EXTI9) || \
+ ((LINE) == ITLINE_EXTI10) || \
+ ((LINE) == ITLINE_EXTI11) || \
+ ((LINE) == ITLINE_EXTI12) || \
+ ((LINE) == ITLINE_EXTI13) || \
+ ((LINE) == ITLINE_EXTI14) || \
+ ((LINE) == ITLINE_EXTI15) || \
+ ((LINE) == ITLINE_TSC_EOA) || \
+ ((LINE) == ITLINE_TSC_MCE) || \
+ ((LINE) == ITLINE_DMA1_CH1) || \
+ ((LINE) == ITLINE_DMA1_CH2) || \
+ ((LINE) == ITLINE_DMA1_CH3) || \
+ ((LINE) == ITLINE_DMA1_CH4) || \
+ ((LINE) == ITLINE_DMA1_CH5) || \
+ ((LINE) == ITLINE_DMA1_CH6) || \
+ ((LINE) == ITLINE_DMA1_CH7) || \
+ ((LINE) == ITLINE_DMA2_CH1) || \
+ ((LINE) == ITLINE_DMA2_CH2) || \
+ ((LINE) == ITLINE_DMA2_CH3) || \
+ ((LINE) == ITLINE_DMA2_CH4) || \
+ ((LINE) == ITLINE_DMA2_CH5) || \
+ ((LINE) == ITLINE_ADC) || \
+ ((LINE) == ITLINE_COMP1) || \
+ ((LINE) == ITLINE_COMP2) || \
+ ((LINE) == ITLINE_TIM1_BRK) || \
+ ((LINE) == ITLINE_TIM1_UPD) || \
+ ((LINE) == ITLINE_TIM1_TRG) || \
+ ((LINE) == ITLINE_TIM1_CCU) || \
+ ((LINE) == ITLINE_TIM1_CC) || \
+ ((LINE) == ITLINE_TIM2) || \
+ ((LINE) == ITLINE_TIM3) || \
+ ((LINE) == ITLINE_DAC) || \
+ ((LINE) == ITLINE_TIM6) || \
+ ((LINE) == ITLINE_TIM7) || \
+ ((LINE) == ITLINE_TIM14) || \
+ ((LINE) == ITLINE_TIM15) || \
+ ((LINE) == ITLINE_TIM16) || \
+ ((LINE) == ITLINE_TIM17) || \
+ ((LINE) == ITLINE_I2C1) || \
+ ((LINE) == ITLINE_I2C2) || \
+ ((LINE) == ITLINE_SPI1) || \
+ ((LINE) == ITLINE_SPI2) || \
+ ((LINE) == ITLINE_USART1) || \
+ ((LINE) == ITLINE_USART2) || \
+ ((LINE) == ITLINE_USART3) || \
+ ((LINE) == ITLINE_USART4) || \
+ ((LINE) == ITLINE_USART5) || \
+ ((LINE) == ITLINE_USART6) || \
+ ((LINE) == ITLINE_USART7) || \
+ ((LINE) == ITLINE_USART8) || \
+ ((LINE) == ITLINE_CAN) || \
+ ((LINE) == ITLINE_CEC))
+
+/**
+ * @}
+ */
+/** @defgroup IRDA_ENV_SEL
+ * @{
+ */
+#define SYSCFG_IRDA_ENV_SEL_TIM16 (SYSCFG_CFGR1_IRDA_ENV_SEL_0&SYSCFG_CFGR1_IRDA_ENV_SEL_1) /* Timer16 is selected as IRDA Modulation envelope source */
+#define SYSCFG_IRDA_ENV_SEL_USART1 (SYSCFG_CFGR1_IRDA_ENV_SEL_0) /* USART1 is selected as IRDA Modulation envelope source.*/
+#define SYSCFG_IRDA_ENV_SEL_USART4 (SYSCFG_CFGR1_IRDA_ENV_SEL_1) /* USART4 is selected as IRDA Modulation envelope source.*/
+
+#define IS_SYSCFG_IRDA_ENV(ENV) (((ENV) == SYSCFG_IRDA_ENV_SEL_TIM16) || \
+ ((ENV) == SYSCFG_IRDA_ENV_SEL_USART1) || \
+ ((ENV) == SYSCFG_IRDA_ENV_SEL_USART4))
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+
+/* Function used to set the SYSCFG configuration to the default reset state **/
+void SYSCFG_DeInit(void);
+
+/* SYSCFG configuration functions *********************************************/
+void SYSCFG_MemoryRemapConfig(uint32_t SYSCFG_MemoryRemap);
+void SYSCFG_DMAChannelRemapConfig(uint32_t SYSCFG_DMARemap, FunctionalState NewState);
+void SYSCFG_I2CFastModePlusConfig(uint32_t SYSCFG_I2CFastModePlus, FunctionalState NewState);
+void SYSCFG_IRDAEnvSelection(uint32_t SYSCFG_IRDAEnv);
+void SYSCFG_EXTILineConfig(uint8_t EXTI_PortSourceGPIOx, uint8_t EXTI_PinSourcex);
+uint32_t SYSCFG_GetPendingIT(uint32_t ITSourceLine);
+void SYSCFG_BreakConfig(uint32_t SYSCFG_Break);
+FlagStatus SYSCFG_GetFlagStatus(uint32_t SYSCFG_Flag);
+void SYSCFG_ClearFlag(uint32_t SYSCFG_Flag);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*__STM32F0XX_SYSCFG_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_tim.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_tim.h
new file mode 100644
index 00000000..7a4c8b99
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_tim.h
@@ -0,0 +1,1186 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_tim.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the TIM
+ * firmware library.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_TIM_H
+#define __STM32F0XX_TIM_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup TIM
+ * @{
+ */
+
+/* Exported types ------------------------------------------------------------*/
+
+/**
+ * @brief TIM Time Base Init structure definition
+ * @note This sturcture is used with all TIMx.
+ */
+
+typedef struct
+{
+ uint16_t TIM_Prescaler; /*!< Specifies the prescaler value used to divide the TIM clock.
+ This parameter can be a number between 0x0000 and 0xFFFF */
+
+ uint16_t TIM_CounterMode; /*!< Specifies the counter mode.
+ This parameter can be a value of @ref TIM_Counter_Mode */
+
+ uint32_t TIM_Period; /*!< Specifies the period value to be loaded into the active
+ Auto-Reload Register at the next update event.
+ This parameter must be a number between 0x0000 and 0xFFFF. */
+
+ uint16_t TIM_ClockDivision; /*!< Specifies the clock division.
+ This parameter can be a value of @ref TIM_Clock_Division_CKD */
+
+ uint8_t TIM_RepetitionCounter; /*!< Specifies the repetition counter value. Each time the RCR downcounter
+ reaches zero, an update event is generated and counting restarts
+ from the RCR value (N).
+ This means in PWM mode that (N+1) corresponds to:
+ - the number of PWM periods in edge-aligned mode
+ - the number of half PWM period in center-aligned mode
+ This parameter must be a number between 0x00 and 0xFF.
+ @note This parameter is valid only for TIM1. */
+} TIM_TimeBaseInitTypeDef;
+
+/**
+ * @brief TIM Output Compare Init structure definition
+ */
+
+typedef struct
+{
+ uint16_t TIM_OCMode; /*!< Specifies the TIM mode.
+ This parameter can be a value of @ref TIM_Output_Compare_and_PWM_modes */
+
+ uint16_t TIM_OutputState; /*!< Specifies the TIM Output Compare state.
+ This parameter can be a value of @ref TIM_Output_Compare_state */
+
+ uint16_t TIM_OutputNState; /*!< Specifies the TIM complementary Output Compare state.
+ This parameter can be a value of @ref TIM_Output_Compare_N_state
+ @note This parameter is valid only for TIM1. */
+
+ uint32_t TIM_Pulse; /*!< Specifies the pulse value to be loaded into the Capture Compare Register.
+ This parameter can be a number between 0x0000 and 0xFFFF ( or 0xFFFFFFFF
+ for TIM2) */
+
+ uint16_t TIM_OCPolarity; /*!< Specifies the output polarity.
+ This parameter can be a value of @ref TIM_Output_Compare_Polarity */
+
+ uint16_t TIM_OCNPolarity; /*!< Specifies the complementary output polarity.
+ This parameter can be a value of @ref TIM_Output_Compare_N_Polarity
+ @note This parameter is valid only for TIM1. */
+
+ uint16_t TIM_OCIdleState; /*!< Specifies the TIM Output Compare pin state during Idle state.
+ This parameter can be a value of @ref TIM_Output_Compare_Idle_State
+ @note This parameter is valid only for TIM1. */
+
+ uint16_t TIM_OCNIdleState; /*!< Specifies the TIM Output Compare pin state during Idle state.
+ This parameter can be a value of @ref TIM_Output_Compare_N_Idle_State
+ @note This parameter is valid only for TIM1. */
+} TIM_OCInitTypeDef;
+
+/**
+ * @brief TIM Input Capture Init structure definition
+ */
+
+typedef struct
+{
+
+ uint16_t TIM_Channel; /*!< Specifies the TIM channel.
+ This parameter can be a value of @ref TIM_Channel */
+
+ uint16_t TIM_ICPolarity; /*!< Specifies the active edge of the input signal.
+ This parameter can be a value of @ref TIM_Input_Capture_Polarity */
+
+ uint16_t TIM_ICSelection; /*!< Specifies the input.
+ This parameter can be a value of @ref TIM_Input_Capture_Selection */
+
+ uint16_t TIM_ICPrescaler; /*!< Specifies the Input Capture Prescaler.
+ This parameter can be a value of @ref TIM_Input_Capture_Prescaler */
+
+ uint16_t TIM_ICFilter; /*!< Specifies the input capture filter.
+ This parameter can be a number between 0x0 and 0xF */
+} TIM_ICInitTypeDef;
+
+/**
+ * @brief TIM_BDTR structure definition
+ * @note This sturcture is used only with TIM1.
+ */
+
+typedef struct
+{
+
+ uint16_t TIM_OSSRState; /*!< Specifies the Off-State selection used in Run mode.
+ This parameter can be a value of @ref TIM_OSSR_Off_State_Selection_for_Run_mode_state */
+
+ uint16_t TIM_OSSIState; /*!< Specifies the Off-State used in Idle state.
+ This parameter can be a value of @ref TIM_OSSI_Off_State_Selection_for_Idle_mode_state */
+
+ uint16_t TIM_LOCKLevel; /*!< Specifies the LOCK level parameters.
+ This parameter can be a value of @ref TIM_Lock_level */
+
+ uint16_t TIM_DeadTime; /*!< Specifies the delay time between the switching-off and the
+ switching-on of the outputs.
+ This parameter can be a number between 0x00 and 0xFF */
+
+ uint16_t TIM_Break; /*!< Specifies whether the TIM Break input is enabled or not.
+ This parameter can be a value of @ref TIM_Break_Input_enable_disable */
+
+ uint16_t TIM_BreakPolarity; /*!< Specifies the TIM Break Input pin polarity.
+ This parameter can be a value of @ref TIM_Break_Polarity */
+
+ uint16_t TIM_AutomaticOutput; /*!< Specifies whether the TIM Automatic Output feature is enabled or not.
+ This parameter can be a value of @ref TIM_AOE_Bit_Set_Reset */
+} TIM_BDTRInitTypeDef;
+
+/**
+ * @brief TIM Input Capture Init structure definition
+ */
+
+/* Exported constants --------------------------------------------------------*/
+
+
+/** @defgroup TIM_Exported_constants
+ * @{
+ */
+
+#define IS_TIM_ALL_PERIPH(PERIPH) (((PERIPH) == TIM1) || \
+ ((PERIPH) == TIM2) || \
+ ((PERIPH) == TIM3) || \
+ ((PERIPH) == TIM6) || \
+ ((PERIPH) == TIM7) || \
+ ((PERIPH) == TIM14)|| \
+ ((PERIPH) == TIM15)|| \
+ ((PERIPH) == TIM16)|| \
+ ((PERIPH) == TIM17))
+
+/* LIST1: TIM 1 */
+#define IS_TIM_LIST1_PERIPH(PERIPH) ((PERIPH) == TIM1)
+
+/* LIST2: TIM 1, 15, 16 and 17 */
+#define IS_TIM_LIST2_PERIPH(PERIPH) (((PERIPH) == TIM1) || \
+ ((PERIPH) == TIM15)|| \
+ ((PERIPH) == TIM16)|| \
+ ((PERIPH) == TIM17))
+
+/* LIST3: TIM 1, 2 and 3 */
+#define IS_TIM_LIST3_PERIPH(PERIPH) (((PERIPH) == TIM1) || \
+ ((PERIPH) == TIM2) || \
+ ((PERIPH) == TIM3))
+
+/* LIST4: TIM 1, 2, 3, 14, 15, 16 and 17 */
+#define IS_TIM_LIST4_PERIPH(PERIPH) (((PERIPH) == TIM1) || \
+ ((PERIPH) == TIM2) || \
+ ((PERIPH) == TIM3) || \
+ ((PERIPH) == TIM14) || \
+ ((PERIPH) == TIM15)|| \
+ ((PERIPH) == TIM16)|| \
+ ((PERIPH) == TIM17))
+
+/* LIST5: TIM 1, 2, 3, 15, 16 and 17 */
+#define IS_TIM_LIST5_PERIPH(PERIPH) (((PERIPH) == TIM1) || \
+ ((PERIPH) == TIM2) || \
+ ((PERIPH) == TIM3) || \
+ ((PERIPH) == TIM15)|| \
+ ((PERIPH) == TIM16)|| \
+ ((PERIPH) == TIM17))
+
+/* LIST6: TIM 1, 2, 3 and 15 */
+#define IS_TIM_LIST6_PERIPH(PERIPH) (((PERIPH) == TIM1) || \
+ ((PERIPH) == TIM2) || \
+ ((PERIPH) == TIM3) || \
+ ((PERIPH) == TIM15))
+
+/* LIST7: TIM 1, 2, 3, 6, 7 and 14 */
+#define IS_TIM_LIST7_PERIPH(PERIPH) (((PERIPH) == TIM1) || \
+ ((PERIPH) == TIM2) || \
+ ((PERIPH) == TIM3) || \
+ ((PERIPH) == TIM6) || \
+ ((PERIPH) == TIM7) || \
+ ((PERIPH) == TIM14))
+
+/* LIST8: TIM 1, 2, 3 and 14 */
+#define IS_TIM_LIST8_PERIPH(PERIPH) (((PERIPH) == TIM1) || \
+ ((PERIPH) == TIM2) || \
+ ((PERIPH) == TIM3) || \
+ ((PERIPH) == TIM14))
+
+/* LIST9: TIM 1, 2, 3, 6, 7 and 15 */
+#define IS_TIM_LIST9_PERIPH(PERIPH) (((PERIPH) == TIM1) || \
+ ((PERIPH) == TIM2) || \
+ ((PERIPH) == TIM3) || \
+ ((PERIPH) == TIM6) || \
+ ((PERIPH) == TIM7) || \
+ ((PERIPH) == TIM15))
+
+/* LIST10: TIM 1, 2, 3, 6, 7, 15, 16 and 17 */
+#define IS_TIM_LIST10_PERIPH(PERIPH) (((PERIPH) == TIM1) || \
+ ((PERIPH) == TIM2) || \
+ ((PERIPH) == TIM3) || \
+ ((PERIPH) == TIM6) || \
+ ((PERIPH) == TIM7) || \
+ ((PERIPH) == TIM15)|| \
+ ((PERIPH) == TIM16)|| \
+ ((PERIPH) == TIM17))
+
+/* LIST1: TIM 11 */
+#define IS_TIM_LIST11_PERIPH(PERIPH) ((PERIPH) == TIM14)
+
+
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Output_Compare_and_PWM_modes
+ * @{
+ */
+
+#define TIM_OCMode_Timing ((uint16_t)0x0000)
+#define TIM_OCMode_Active ((uint16_t)0x0010)
+#define TIM_OCMode_Inactive ((uint16_t)0x0020)
+#define TIM_OCMode_Toggle ((uint16_t)0x0030)
+#define TIM_OCMode_PWM1 ((uint16_t)0x0060)
+#define TIM_OCMode_PWM2 ((uint16_t)0x0070)
+#define IS_TIM_OC_MODE(MODE) (((MODE) == TIM_OCMode_Timing) || \
+ ((MODE) == TIM_OCMode_Active) || \
+ ((MODE) == TIM_OCMode_Inactive) || \
+ ((MODE) == TIM_OCMode_Toggle)|| \
+ ((MODE) == TIM_OCMode_PWM1) || \
+ ((MODE) == TIM_OCMode_PWM2))
+#define IS_TIM_OCM(MODE) (((MODE) == TIM_OCMode_Timing) || \
+ ((MODE) == TIM_OCMode_Active) || \
+ ((MODE) == TIM_OCMode_Inactive) || \
+ ((MODE) == TIM_OCMode_Toggle)|| \
+ ((MODE) == TIM_OCMode_PWM1) || \
+ ((MODE) == TIM_OCMode_PWM2) || \
+ ((MODE) == TIM_ForcedAction_Active) || \
+ ((MODE) == TIM_ForcedAction_InActive))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_One_Pulse_Mode
+ * @{
+ */
+
+#define TIM_OPMode_Single ((uint16_t)0x0008)
+#define TIM_OPMode_Repetitive ((uint16_t)0x0000)
+#define IS_TIM_OPM_MODE(MODE) (((MODE) == TIM_OPMode_Single) || \
+ ((MODE) == TIM_OPMode_Repetitive))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Channel
+ * @{
+ */
+
+#define TIM_Channel_1 ((uint16_t)0x0000)
+#define TIM_Channel_2 ((uint16_t)0x0004)
+#define TIM_Channel_3 ((uint16_t)0x0008)
+#define TIM_Channel_4 ((uint16_t)0x000C)
+
+#define IS_TIM_CHANNEL(CHANNEL) (((CHANNEL) == TIM_Channel_1) || \
+ ((CHANNEL) == TIM_Channel_2) || \
+ ((CHANNEL) == TIM_Channel_3) || \
+ ((CHANNEL) == TIM_Channel_4))
+#define IS_TIM_COMPLEMENTARY_CHANNEL(CHANNEL) (((CHANNEL) == TIM_Channel_1) || \
+ ((CHANNEL) == TIM_Channel_2) || \
+ ((CHANNEL) == TIM_Channel_3))
+#define IS_TIM_PWMI_CHANNEL(CHANNEL) (((CHANNEL) == TIM_Channel_1) || \
+ ((CHANNEL) == TIM_Channel_2))
+
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Clock_Division_CKD
+ * @{
+ */
+
+#define TIM_CKD_DIV1 ((uint16_t)0x0000)
+#define TIM_CKD_DIV2 ((uint16_t)0x0100)
+#define TIM_CKD_DIV4 ((uint16_t)0x0200)
+#define IS_TIM_CKD_DIV(DIV) (((DIV) == TIM_CKD_DIV1) || \
+ ((DIV) == TIM_CKD_DIV2) || \
+ ((DIV) == TIM_CKD_DIV4))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Counter_Mode
+ * @{
+ */
+
+#define TIM_CounterMode_Up ((uint16_t)0x0000)
+#define TIM_CounterMode_Down ((uint16_t)0x0010)
+#define TIM_CounterMode_CenterAligned1 ((uint16_t)0x0020)
+#define TIM_CounterMode_CenterAligned2 ((uint16_t)0x0040)
+#define TIM_CounterMode_CenterAligned3 ((uint16_t)0x0060)
+#define IS_TIM_COUNTER_MODE(MODE) (((MODE) == TIM_CounterMode_Up) || \
+ ((MODE) == TIM_CounterMode_Down) || \
+ ((MODE) == TIM_CounterMode_CenterAligned1) || \
+ ((MODE) == TIM_CounterMode_CenterAligned2) || \
+ ((MODE) == TIM_CounterMode_CenterAligned3))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Output_Compare_Polarity
+ * @{
+ */
+
+#define TIM_OCPolarity_High ((uint16_t)0x0000)
+#define TIM_OCPolarity_Low ((uint16_t)0x0002)
+#define IS_TIM_OC_POLARITY(POLARITY) (((POLARITY) == TIM_OCPolarity_High) || \
+ ((POLARITY) == TIM_OCPolarity_Low))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Output_Compare_N_Polarity
+ * @{
+ */
+
+#define TIM_OCNPolarity_High ((uint16_t)0x0000)
+#define TIM_OCNPolarity_Low ((uint16_t)0x0008)
+#define IS_TIM_OCN_POLARITY(POLARITY) (((POLARITY) == TIM_OCNPolarity_High) || \
+ ((POLARITY) == TIM_OCNPolarity_Low))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Output_Compare_state
+ * @{
+ */
+
+#define TIM_OutputState_Disable ((uint16_t)0x0000)
+#define TIM_OutputState_Enable ((uint16_t)0x0001)
+#define IS_TIM_OUTPUT_STATE(STATE) (((STATE) == TIM_OutputState_Disable) || \
+ ((STATE) == TIM_OutputState_Enable))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Output_Compare_N_state
+ * @{
+ */
+
+#define TIM_OutputNState_Disable ((uint16_t)0x0000)
+#define TIM_OutputNState_Enable ((uint16_t)0x0004)
+#define IS_TIM_OUTPUTN_STATE(STATE) (((STATE) == TIM_OutputNState_Disable) || \
+ ((STATE) == TIM_OutputNState_Enable))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Capture_Compare_state
+ * @{
+ */
+
+#define TIM_CCx_Enable ((uint16_t)0x0001)
+#define TIM_CCx_Disable ((uint16_t)0x0000)
+#define IS_TIM_CCX(CCX) (((CCX) == TIM_CCx_Enable) || \
+ ((CCX) == TIM_CCx_Disable))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Capture_Compare_N_state
+ * @{
+ */
+
+#define TIM_CCxN_Enable ((uint16_t)0x0004)
+#define TIM_CCxN_Disable ((uint16_t)0x0000)
+#define IS_TIM_CCXN(CCXN) (((CCXN) == TIM_CCxN_Enable) || \
+ ((CCXN) == TIM_CCxN_Disable))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Break_Input_enable_disable
+ * @{
+ */
+
+#define TIM_Break_Enable ((uint16_t)0x1000)
+#define TIM_Break_Disable ((uint16_t)0x0000)
+#define IS_TIM_BREAK_STATE(STATE) (((STATE) == TIM_Break_Enable) || \
+ ((STATE) == TIM_Break_Disable))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Break_Polarity
+ * @{
+ */
+
+#define TIM_BreakPolarity_Low ((uint16_t)0x0000)
+#define TIM_BreakPolarity_High ((uint16_t)0x2000)
+#define IS_TIM_BREAK_POLARITY(POLARITY) (((POLARITY) == TIM_BreakPolarity_Low) || \
+ ((POLARITY) == TIM_BreakPolarity_High))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_AOE_Bit_Set_Reset
+ * @{
+ */
+
+#define TIM_AutomaticOutput_Enable ((uint16_t)0x4000)
+#define TIM_AutomaticOutput_Disable ((uint16_t)0x0000)
+#define IS_TIM_AUTOMATIC_OUTPUT_STATE(STATE) (((STATE) == TIM_AutomaticOutput_Enable) || \
+ ((STATE) == TIM_AutomaticOutput_Disable))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Lock_level
+ * @{
+ */
+
+#define TIM_LOCKLevel_OFF ((uint16_t)0x0000)
+#define TIM_LOCKLevel_1 ((uint16_t)0x0100)
+#define TIM_LOCKLevel_2 ((uint16_t)0x0200)
+#define TIM_LOCKLevel_3 ((uint16_t)0x0300)
+#define IS_TIM_LOCK_LEVEL(LEVEL) (((LEVEL) == TIM_LOCKLevel_OFF) || \
+ ((LEVEL) == TIM_LOCKLevel_1) || \
+ ((LEVEL) == TIM_LOCKLevel_2) || \
+ ((LEVEL) == TIM_LOCKLevel_3))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_OSSI_Off_State_Selection_for_Idle_mode_state
+ * @{
+ */
+
+#define TIM_OSSIState_Enable ((uint16_t)0x0400)
+#define TIM_OSSIState_Disable ((uint16_t)0x0000)
+#define IS_TIM_OSSI_STATE(STATE) (((STATE) == TIM_OSSIState_Enable) || \
+ ((STATE) == TIM_OSSIState_Disable))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_OSSR_Off_State_Selection_for_Run_mode_state
+ * @{
+ */
+
+#define TIM_OSSRState_Enable ((uint16_t)0x0800)
+#define TIM_OSSRState_Disable ((uint16_t)0x0000)
+#define IS_TIM_OSSR_STATE(STATE) (((STATE) == TIM_OSSRState_Enable) || \
+ ((STATE) == TIM_OSSRState_Disable))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Output_Compare_Idle_State
+ * @{
+ */
+
+#define TIM_OCIdleState_Set ((uint16_t)0x0100)
+#define TIM_OCIdleState_Reset ((uint16_t)0x0000)
+#define IS_TIM_OCIDLE_STATE(STATE) (((STATE) == TIM_OCIdleState_Set) || \
+ ((STATE) == TIM_OCIdleState_Reset))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Output_Compare_N_Idle_State
+ * @{
+ */
+
+#define TIM_OCNIdleState_Set ((uint16_t)0x0200)
+#define TIM_OCNIdleState_Reset ((uint16_t)0x0000)
+#define IS_TIM_OCNIDLE_STATE(STATE) (((STATE) == TIM_OCNIdleState_Set) || \
+ ((STATE) == TIM_OCNIdleState_Reset))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Input_Capture_Polarity
+ * @{
+ */
+
+#define TIM_ICPolarity_Rising ((uint16_t)0x0000)
+#define TIM_ICPolarity_Falling ((uint16_t)0x0002)
+#define TIM_ICPolarity_BothEdge ((uint16_t)0x000A)
+#define IS_TIM_IC_POLARITY(POLARITY) (((POLARITY) == TIM_ICPolarity_Rising) || \
+ ((POLARITY) == TIM_ICPolarity_Falling)|| \
+ ((POLARITY) == TIM_ICPolarity_BothEdge))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Input_Capture_Selection
+ * @{
+ */
+
+#define TIM_ICSelection_DirectTI ((uint16_t)0x0001) /*!< TIM Input 1, 2, 3 or 4 is selected to be
+ connected to IC1, IC2, IC3 or IC4, respectively */
+#define TIM_ICSelection_IndirectTI ((uint16_t)0x0002) /*!< TIM Input 1, 2, 3 or 4 is selected to be
+ connected to IC2, IC1, IC4 or IC3, respectively. */
+#define TIM_ICSelection_TRC ((uint16_t)0x0003) /*!< TIM Input 1, 2, 3 or 4 is selected to be connected to TRC. */
+#define IS_TIM_IC_SELECTION(SELECTION) (((SELECTION) == TIM_ICSelection_DirectTI) || \
+ ((SELECTION) == TIM_ICSelection_IndirectTI) || \
+ ((SELECTION) == TIM_ICSelection_TRC))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Input_Capture_Prescaler
+ * @{
+ */
+
+#define TIM_ICPSC_DIV1 ((uint16_t)0x0000) /*!< Capture performed each time an edge is detected on the capture input. */
+#define TIM_ICPSC_DIV2 ((uint16_t)0x0004) /*!< Capture performed once every 2 events. */
+#define TIM_ICPSC_DIV4 ((uint16_t)0x0008) /*!< Capture performed once every 4 events. */
+#define TIM_ICPSC_DIV8 ((uint16_t)0x000C) /*!< Capture performed once every 8 events. */
+#define IS_TIM_IC_PRESCALER(PRESCALER) (((PRESCALER) == TIM_ICPSC_DIV1) || \
+ ((PRESCALER) == TIM_ICPSC_DIV2) || \
+ ((PRESCALER) == TIM_ICPSC_DIV4) || \
+ ((PRESCALER) == TIM_ICPSC_DIV8))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_interrupt_sources
+ * @{
+ */
+
+#define TIM_IT_Update ((uint16_t)0x0001)
+#define TIM_IT_CC1 ((uint16_t)0x0002)
+#define TIM_IT_CC2 ((uint16_t)0x0004)
+#define TIM_IT_CC3 ((uint16_t)0x0008)
+#define TIM_IT_CC4 ((uint16_t)0x0010)
+#define TIM_IT_COM ((uint16_t)0x0020)
+#define TIM_IT_Trigger ((uint16_t)0x0040)
+#define TIM_IT_Break ((uint16_t)0x0080)
+#define IS_TIM_IT(IT) ((((IT) & (uint16_t)0xFF00) == 0x0000) && ((IT) != 0x0000))
+
+#define IS_TIM_GET_IT(IT) (((IT) == TIM_IT_Update) || \
+ ((IT) == TIM_IT_CC1) || \
+ ((IT) == TIM_IT_CC2) || \
+ ((IT) == TIM_IT_CC3) || \
+ ((IT) == TIM_IT_CC4) || \
+ ((IT) == TIM_IT_COM) || \
+ ((IT) == TIM_IT_Trigger) || \
+ ((IT) == TIM_IT_Break))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_DMA_Base_address
+ * @{
+ */
+
+#define TIM_DMABase_CR1 ((uint16_t)0x0000)
+#define TIM_DMABase_CR2 ((uint16_t)0x0001)
+#define TIM_DMABase_SMCR ((uint16_t)0x0002)
+#define TIM_DMABase_DIER ((uint16_t)0x0003)
+#define TIM_DMABase_SR ((uint16_t)0x0004)
+#define TIM_DMABase_EGR ((uint16_t)0x0005)
+#define TIM_DMABase_CCMR1 ((uint16_t)0x0006)
+#define TIM_DMABase_CCMR2 ((uint16_t)0x0007)
+#define TIM_DMABase_CCER ((uint16_t)0x0008)
+#define TIM_DMABase_CNT ((uint16_t)0x0009)
+#define TIM_DMABase_PSC ((uint16_t)0x000A)
+#define TIM_DMABase_ARR ((uint16_t)0x000B)
+#define TIM_DMABase_RCR ((uint16_t)0x000C)
+#define TIM_DMABase_CCR1 ((uint16_t)0x000D)
+#define TIM_DMABase_CCR2 ((uint16_t)0x000E)
+#define TIM_DMABase_CCR3 ((uint16_t)0x000F)
+#define TIM_DMABase_CCR4 ((uint16_t)0x0010)
+#define TIM_DMABase_BDTR ((uint16_t)0x0011)
+#define TIM_DMABase_DCR ((uint16_t)0x0012)
+#define TIM_DMABase_OR ((uint16_t)0x0013)
+#define IS_TIM_DMA_BASE(BASE) (((BASE) == TIM_DMABase_CR1) || \
+ ((BASE) == TIM_DMABase_CR2) || \
+ ((BASE) == TIM_DMABase_SMCR) || \
+ ((BASE) == TIM_DMABase_DIER) || \
+ ((BASE) == TIM_DMABase_SR) || \
+ ((BASE) == TIM_DMABase_EGR) || \
+ ((BASE) == TIM_DMABase_CCMR1) || \
+ ((BASE) == TIM_DMABase_CCMR2) || \
+ ((BASE) == TIM_DMABase_CCER) || \
+ ((BASE) == TIM_DMABase_CNT) || \
+ ((BASE) == TIM_DMABase_PSC) || \
+ ((BASE) == TIM_DMABase_ARR) || \
+ ((BASE) == TIM_DMABase_RCR) || \
+ ((BASE) == TIM_DMABase_CCR1) || \
+ ((BASE) == TIM_DMABase_CCR2) || \
+ ((BASE) == TIM_DMABase_CCR3) || \
+ ((BASE) == TIM_DMABase_CCR4) || \
+ ((BASE) == TIM_DMABase_BDTR) || \
+ ((BASE) == TIM_DMABase_DCR) || \
+ ((BASE) == TIM_DMABase_OR))
+/**
+ * @}
+ */
+
+
+/** @defgroup TIM_DMA_Burst_Length
+ * @{
+ */
+
+#define TIM_DMABurstLength_1Transfer ((uint16_t)0x0000)
+#define TIM_DMABurstLength_2Transfers ((uint16_t)0x0100)
+#define TIM_DMABurstLength_3Transfers ((uint16_t)0x0200)
+#define TIM_DMABurstLength_4Transfers ((uint16_t)0x0300)
+#define TIM_DMABurstLength_5Transfers ((uint16_t)0x0400)
+#define TIM_DMABurstLength_6Transfers ((uint16_t)0x0500)
+#define TIM_DMABurstLength_7Transfers ((uint16_t)0x0600)
+#define TIM_DMABurstLength_8Transfers ((uint16_t)0x0700)
+#define TIM_DMABurstLength_9Transfers ((uint16_t)0x0800)
+#define TIM_DMABurstLength_10Transfers ((uint16_t)0x0900)
+#define TIM_DMABurstLength_11Transfers ((uint16_t)0x0A00)
+#define TIM_DMABurstLength_12Transfers ((uint16_t)0x0B00)
+#define TIM_DMABurstLength_13Transfers ((uint16_t)0x0C00)
+#define TIM_DMABurstLength_14Transfers ((uint16_t)0x0D00)
+#define TIM_DMABurstLength_15Transfers ((uint16_t)0x0E00)
+#define TIM_DMABurstLength_16Transfers ((uint16_t)0x0F00)
+#define TIM_DMABurstLength_17Transfers ((uint16_t)0x1000)
+#define TIM_DMABurstLength_18Transfers ((uint16_t)0x1100)
+#define IS_TIM_DMA_LENGTH(LENGTH) (((LENGTH) == TIM_DMABurstLength_1Transfer) || \
+ ((LENGTH) == TIM_DMABurstLength_2Transfers) || \
+ ((LENGTH) == TIM_DMABurstLength_3Transfers) || \
+ ((LENGTH) == TIM_DMABurstLength_4Transfers) || \
+ ((LENGTH) == TIM_DMABurstLength_5Transfers) || \
+ ((LENGTH) == TIM_DMABurstLength_6Transfers) || \
+ ((LENGTH) == TIM_DMABurstLength_7Transfers) || \
+ ((LENGTH) == TIM_DMABurstLength_8Transfers) || \
+ ((LENGTH) == TIM_DMABurstLength_9Transfers) || \
+ ((LENGTH) == TIM_DMABurstLength_10Transfers) || \
+ ((LENGTH) == TIM_DMABurstLength_11Transfers) || \
+ ((LENGTH) == TIM_DMABurstLength_12Transfers) || \
+ ((LENGTH) == TIM_DMABurstLength_13Transfers) || \
+ ((LENGTH) == TIM_DMABurstLength_14Transfers) || \
+ ((LENGTH) == TIM_DMABurstLength_15Transfers) || \
+ ((LENGTH) == TIM_DMABurstLength_16Transfers) || \
+ ((LENGTH) == TIM_DMABurstLength_17Transfers) || \
+ ((LENGTH) == TIM_DMABurstLength_18Transfers))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_DMA_sources
+ * @{
+ */
+
+#define TIM_DMA_Update ((uint16_t)0x0100)
+#define TIM_DMA_CC1 ((uint16_t)0x0200)
+#define TIM_DMA_CC2 ((uint16_t)0x0400)
+#define TIM_DMA_CC3 ((uint16_t)0x0800)
+#define TIM_DMA_CC4 ((uint16_t)0x1000)
+#define TIM_DMA_COM ((uint16_t)0x2000)
+#define TIM_DMA_Trigger ((uint16_t)0x4000)
+#define IS_TIM_DMA_SOURCE(SOURCE) ((((SOURCE) & (uint16_t)0x80FF) == 0x0000) && ((SOURCE) != 0x0000))
+
+/**
+ * @}
+ */
+
+/** @defgroup TIM_External_Trigger_Prescaler
+ * @{
+ */
+
+#define TIM_ExtTRGPSC_OFF ((uint16_t)0x0000)
+#define TIM_ExtTRGPSC_DIV2 ((uint16_t)0x1000)
+#define TIM_ExtTRGPSC_DIV4 ((uint16_t)0x2000)
+#define TIM_ExtTRGPSC_DIV8 ((uint16_t)0x3000)
+#define IS_TIM_EXT_PRESCALER(PRESCALER) (((PRESCALER) == TIM_ExtTRGPSC_OFF) || \
+ ((PRESCALER) == TIM_ExtTRGPSC_DIV2) || \
+ ((PRESCALER) == TIM_ExtTRGPSC_DIV4) || \
+ ((PRESCALER) == TIM_ExtTRGPSC_DIV8))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Internal_Trigger_Selection
+ * @{
+ */
+
+#define TIM_TS_ITR0 ((uint16_t)0x0000)
+#define TIM_TS_ITR1 ((uint16_t)0x0010)
+#define TIM_TS_ITR2 ((uint16_t)0x0020)
+#define TIM_TS_ITR3 ((uint16_t)0x0030)
+#define TIM_TS_TI1F_ED ((uint16_t)0x0040)
+#define TIM_TS_TI1FP1 ((uint16_t)0x0050)
+#define TIM_TS_TI2FP2 ((uint16_t)0x0060)
+#define TIM_TS_ETRF ((uint16_t)0x0070)
+#define IS_TIM_TRIGGER_SELECTION(SELECTION) (((SELECTION) == TIM_TS_ITR0) || \
+ ((SELECTION) == TIM_TS_ITR1) || \
+ ((SELECTION) == TIM_TS_ITR2) || \
+ ((SELECTION) == TIM_TS_ITR3) || \
+ ((SELECTION) == TIM_TS_TI1F_ED) || \
+ ((SELECTION) == TIM_TS_TI1FP1) || \
+ ((SELECTION) == TIM_TS_TI2FP2) || \
+ ((SELECTION) == TIM_TS_ETRF))
+#define IS_TIM_INTERNAL_TRIGGER_SELECTION(SELECTION) (((SELECTION) == TIM_TS_ITR0) || \
+ ((SELECTION) == TIM_TS_ITR1) || \
+ ((SELECTION) == TIM_TS_ITR2) || \
+ ((SELECTION) == TIM_TS_ITR3))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_TIx_External_Clock_Source
+ * @{
+ */
+
+#define TIM_TIxExternalCLK1Source_TI1 ((uint16_t)0x0050)
+#define TIM_TIxExternalCLK1Source_TI2 ((uint16_t)0x0060)
+#define TIM_TIxExternalCLK1Source_TI1ED ((uint16_t)0x0040)
+
+/**
+ * @}
+ */
+
+/** @defgroup TIM_External_Trigger_Polarity
+ * @{
+ */
+#define TIM_ExtTRGPolarity_Inverted ((uint16_t)0x8000)
+#define TIM_ExtTRGPolarity_NonInverted ((uint16_t)0x0000)
+#define IS_TIM_EXT_POLARITY(POLARITY) (((POLARITY) == TIM_ExtTRGPolarity_Inverted) || \
+ ((POLARITY) == TIM_ExtTRGPolarity_NonInverted))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Prescaler_Reload_Mode
+ * @{
+ */
+
+#define TIM_PSCReloadMode_Update ((uint16_t)0x0000)
+#define TIM_PSCReloadMode_Immediate ((uint16_t)0x0001)
+#define IS_TIM_PRESCALER_RELOAD(RELOAD) (((RELOAD) == TIM_PSCReloadMode_Update) || \
+ ((RELOAD) == TIM_PSCReloadMode_Immediate))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Forced_Action
+ * @{
+ */
+
+#define TIM_ForcedAction_Active ((uint16_t)0x0050)
+#define TIM_ForcedAction_InActive ((uint16_t)0x0040)
+#define IS_TIM_FORCED_ACTION(ACTION) (((ACTION) == TIM_ForcedAction_Active) || \
+ ((ACTION) == TIM_ForcedAction_InActive))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Encoder_Mode
+ * @{
+ */
+
+#define TIM_EncoderMode_TI1 ((uint16_t)0x0001)
+#define TIM_EncoderMode_TI2 ((uint16_t)0x0002)
+#define TIM_EncoderMode_TI12 ((uint16_t)0x0003)
+#define IS_TIM_ENCODER_MODE(MODE) (((MODE) == TIM_EncoderMode_TI1) || \
+ ((MODE) == TIM_EncoderMode_TI2) || \
+ ((MODE) == TIM_EncoderMode_TI12))
+/**
+ * @}
+ */
+
+
+/** @defgroup TIM_Event_Source
+ * @{
+ */
+
+#define TIM_EventSource_Update ((uint16_t)0x0001)
+#define TIM_EventSource_CC1 ((uint16_t)0x0002)
+#define TIM_EventSource_CC2 ((uint16_t)0x0004)
+#define TIM_EventSource_CC3 ((uint16_t)0x0008)
+#define TIM_EventSource_CC4 ((uint16_t)0x0010)
+#define TIM_EventSource_COM ((uint16_t)0x0020)
+#define TIM_EventSource_Trigger ((uint16_t)0x0040)
+#define TIM_EventSource_Break ((uint16_t)0x0080)
+#define IS_TIM_EVENT_SOURCE(SOURCE) ((((SOURCE) & (uint16_t)0xFF00) == 0x0000) && ((SOURCE) != 0x0000))
+
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Update_Source
+ * @{
+ */
+
+#define TIM_UpdateSource_Global ((uint16_t)0x0000) /*!< Source of update is the counter overflow/underflow
+ or the setting of UG bit, or an update generation
+ through the slave mode controller. */
+#define TIM_UpdateSource_Regular ((uint16_t)0x0001) /*!< Source of update is counter overflow/underflow. */
+#define IS_TIM_UPDATE_SOURCE(SOURCE) (((SOURCE) == TIM_UpdateSource_Global) || \
+ ((SOURCE) == TIM_UpdateSource_Regular))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Output_Compare_Preload_State
+ * @{
+ */
+
+#define TIM_OCPreload_Enable ((uint16_t)0x0008)
+#define TIM_OCPreload_Disable ((uint16_t)0x0000)
+#define IS_TIM_OCPRELOAD_STATE(STATE) (((STATE) == TIM_OCPreload_Enable) || \
+ ((STATE) == TIM_OCPreload_Disable))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Output_Compare_Fast_State
+ * @{
+ */
+
+#define TIM_OCFast_Enable ((uint16_t)0x0004)
+#define TIM_OCFast_Disable ((uint16_t)0x0000)
+#define IS_TIM_OCFAST_STATE(STATE) (((STATE) == TIM_OCFast_Enable) || \
+ ((STATE) == TIM_OCFast_Disable))
+
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Output_Compare_Clear_State
+ * @{
+ */
+
+#define TIM_OCClear_Enable ((uint16_t)0x0080)
+#define TIM_OCClear_Disable ((uint16_t)0x0000)
+#define IS_TIM_OCCLEAR_STATE(STATE) (((STATE) == TIM_OCClear_Enable) || \
+ ((STATE) == TIM_OCClear_Disable))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Trigger_Output_Source
+ * @{
+ */
+
+#define TIM_TRGOSource_Reset ((uint16_t)0x0000)
+#define TIM_TRGOSource_Enable ((uint16_t)0x0010)
+#define TIM_TRGOSource_Update ((uint16_t)0x0020)
+#define TIM_TRGOSource_OC1 ((uint16_t)0x0030)
+#define TIM_TRGOSource_OC1Ref ((uint16_t)0x0040)
+#define TIM_TRGOSource_OC2Ref ((uint16_t)0x0050)
+#define TIM_TRGOSource_OC3Ref ((uint16_t)0x0060)
+#define TIM_TRGOSource_OC4Ref ((uint16_t)0x0070)
+#define IS_TIM_TRGO_SOURCE(SOURCE) (((SOURCE) == TIM_TRGOSource_Reset) || \
+ ((SOURCE) == TIM_TRGOSource_Enable) || \
+ ((SOURCE) == TIM_TRGOSource_Update) || \
+ ((SOURCE) == TIM_TRGOSource_OC1) || \
+ ((SOURCE) == TIM_TRGOSource_OC1Ref) || \
+ ((SOURCE) == TIM_TRGOSource_OC2Ref) || \
+ ((SOURCE) == TIM_TRGOSource_OC3Ref) || \
+ ((SOURCE) == TIM_TRGOSource_OC4Ref))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Slave_Mode
+ * @{
+ */
+
+#define TIM_SlaveMode_Reset ((uint16_t)0x0004)
+#define TIM_SlaveMode_Gated ((uint16_t)0x0005)
+#define TIM_SlaveMode_Trigger ((uint16_t)0x0006)
+#define TIM_SlaveMode_External1 ((uint16_t)0x0007)
+#define IS_TIM_SLAVE_MODE(MODE) (((MODE) == TIM_SlaveMode_Reset) || \
+ ((MODE) == TIM_SlaveMode_Gated) || \
+ ((MODE) == TIM_SlaveMode_Trigger) || \
+ ((MODE) == TIM_SlaveMode_External1))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Master_Slave_Mode
+ * @{
+ */
+
+#define TIM_MasterSlaveMode_Enable ((uint16_t)0x0080)
+#define TIM_MasterSlaveMode_Disable ((uint16_t)0x0000)
+#define IS_TIM_MSM_STATE(STATE) (((STATE) == TIM_MasterSlaveMode_Enable) || \
+ ((STATE) == TIM_MasterSlaveMode_Disable))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Flags
+ * @{
+ */
+
+#define TIM_FLAG_Update ((uint16_t)0x0001)
+#define TIM_FLAG_CC1 ((uint16_t)0x0002)
+#define TIM_FLAG_CC2 ((uint16_t)0x0004)
+#define TIM_FLAG_CC3 ((uint16_t)0x0008)
+#define TIM_FLAG_CC4 ((uint16_t)0x0010)
+#define TIM_FLAG_COM ((uint16_t)0x0020)
+#define TIM_FLAG_Trigger ((uint16_t)0x0040)
+#define TIM_FLAG_Break ((uint16_t)0x0080)
+#define TIM_FLAG_CC1OF ((uint16_t)0x0200)
+#define TIM_FLAG_CC2OF ((uint16_t)0x0400)
+#define TIM_FLAG_CC3OF ((uint16_t)0x0800)
+#define TIM_FLAG_CC4OF ((uint16_t)0x1000)
+#define IS_TIM_GET_FLAG(FLAG) (((FLAG) == TIM_FLAG_Update) || \
+ ((FLAG) == TIM_FLAG_CC1) || \
+ ((FLAG) == TIM_FLAG_CC2) || \
+ ((FLAG) == TIM_FLAG_CC3) || \
+ ((FLAG) == TIM_FLAG_CC4) || \
+ ((FLAG) == TIM_FLAG_COM) || \
+ ((FLAG) == TIM_FLAG_Trigger) || \
+ ((FLAG) == TIM_FLAG_Break) || \
+ ((FLAG) == TIM_FLAG_CC1OF) || \
+ ((FLAG) == TIM_FLAG_CC2OF) || \
+ ((FLAG) == TIM_FLAG_CC3OF) || \
+ ((FLAG) == TIM_FLAG_CC4OF))
+
+
+#define IS_TIM_CLEAR_FLAG(TIM_FLAG) ((((TIM_FLAG) & (uint16_t)0xE100) == 0x0000) && ((TIM_FLAG) != 0x0000))
+/**
+ * @}
+ */
+
+
+/** @defgroup TIM_Input_Capture_Filer_Value
+ * @{
+ */
+
+#define IS_TIM_IC_FILTER(ICFILTER) ((ICFILTER) <= 0xF)
+/**
+ * @}
+ */
+
+/** @defgroup TIM_External_Trigger_Filter
+ * @{
+ */
+
+#define IS_TIM_EXT_FILTER(EXTFILTER) ((EXTFILTER) <= 0xF)
+/**
+ * @}
+ */
+
+/** @defgroup TIM_OCReferenceClear
+ * @{
+ */
+#define TIM_OCReferenceClear_ETRF ((uint16_t)0x0008)
+#define TIM_OCReferenceClear_OCREFCLR ((uint16_t)0x0000)
+#define TIM_OCREFERENCECECLEAR_SOURCE(SOURCE) (((SOURCE) == TIM_OCReferenceClear_ETRF) || \
+ ((SOURCE) == TIM_OCReferenceClear_OCREFCLR))
+
+/**
+ * @}
+ */
+/** @defgroup TIM_Remap
+ * @{
+ */
+#define TIM14_GPIO ((uint16_t)0x0000)
+#define TIM14_RTC_CLK ((uint16_t)0x0001)
+#define TIM14_HSEDiv32 ((uint16_t)0x0002)
+#define TIM14_MCO ((uint16_t)0x0003)
+
+#define IS_TIM_REMAP(TIM_REMAP) (((TIM_REMAP) == TIM14_GPIO)|| \
+ ((TIM_REMAP) == TIM14_RTC_CLK) || \
+ ((TIM_REMAP) == TIM14_HSEDiv32) || \
+ ((TIM_REMAP) == TIM14_MCO))
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Legacy
+ * @{
+ */
+
+#define TIM_DMABurstLength_1Byte TIM_DMABurstLength_1Transfer
+#define TIM_DMABurstLength_2Bytes TIM_DMABurstLength_2Transfers
+#define TIM_DMABurstLength_3Bytes TIM_DMABurstLength_3Transfers
+#define TIM_DMABurstLength_4Bytes TIM_DMABurstLength_4Transfers
+#define TIM_DMABurstLength_5Bytes TIM_DMABurstLength_5Transfers
+#define TIM_DMABurstLength_6Bytes TIM_DMABurstLength_6Transfers
+#define TIM_DMABurstLength_7Bytes TIM_DMABurstLength_7Transfers
+#define TIM_DMABurstLength_8Bytes TIM_DMABurstLength_8Transfers
+#define TIM_DMABurstLength_9Bytes TIM_DMABurstLength_9Transfers
+#define TIM_DMABurstLength_10Bytes TIM_DMABurstLength_10Transfers
+#define TIM_DMABurstLength_11Bytes TIM_DMABurstLength_11Transfers
+#define TIM_DMABurstLength_12Bytes TIM_DMABurstLength_12Transfers
+#define TIM_DMABurstLength_13Bytes TIM_DMABurstLength_13Transfers
+#define TIM_DMABurstLength_14Bytes TIM_DMABurstLength_14Transfers
+#define TIM_DMABurstLength_15Bytes TIM_DMABurstLength_15Transfers
+#define TIM_DMABurstLength_16Bytes TIM_DMABurstLength_16Transfers
+#define TIM_DMABurstLength_17Bytes TIM_DMABurstLength_17Transfers
+#define TIM_DMABurstLength_18Bytes TIM_DMABurstLength_18Transfers
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+
+/* TimeBase management ********************************************************/
+void TIM_DeInit(TIM_TypeDef* TIMx);
+void TIM_TimeBaseInit(TIM_TypeDef* TIMx, TIM_TimeBaseInitTypeDef* TIM_TimeBaseInitStruct);
+void TIM_TimeBaseStructInit(TIM_TimeBaseInitTypeDef* TIM_TimeBaseInitStruct);
+void TIM_PrescalerConfig(TIM_TypeDef* TIMx, uint16_t Prescaler, uint16_t TIM_PSCReloadMode);
+void TIM_CounterModeConfig(TIM_TypeDef* TIMx, uint16_t TIM_CounterMode);
+void TIM_SetCounter(TIM_TypeDef* TIMx, uint32_t Counter);
+void TIM_SetAutoreload(TIM_TypeDef* TIMx, uint32_t Autoreload);
+uint32_t TIM_GetCounter(TIM_TypeDef* TIMx);
+uint16_t TIM_GetPrescaler(TIM_TypeDef* TIMx);
+void TIM_UpdateDisableConfig(TIM_TypeDef* TIMx, FunctionalState NewState);
+void TIM_UpdateRequestConfig(TIM_TypeDef* TIMx, uint16_t TIM_UpdateSource);
+void TIM_ARRPreloadConfig(TIM_TypeDef* TIMx, FunctionalState NewState);
+void TIM_SelectOnePulseMode(TIM_TypeDef* TIMx, uint16_t TIM_OPMode);
+void TIM_SetClockDivision(TIM_TypeDef* TIMx, uint16_t TIM_CKD);
+void TIM_Cmd(TIM_TypeDef* TIMx, FunctionalState NewState);
+
+/* Advanced-control timers (TIM1) specific features*******************/
+void TIM_BDTRConfig(TIM_TypeDef* TIMx, TIM_BDTRInitTypeDef *TIM_BDTRInitStruct);
+void TIM_BDTRStructInit(TIM_BDTRInitTypeDef* TIM_BDTRInitStruct);
+void TIM_CtrlPWMOutputs(TIM_TypeDef* TIMx, FunctionalState NewState);
+
+/* Output Compare management **************************************************/
+void TIM_OC1Init(TIM_TypeDef* TIMx, TIM_OCInitTypeDef* TIM_OCInitStruct);
+void TIM_OC2Init(TIM_TypeDef* TIMx, TIM_OCInitTypeDef* TIM_OCInitStruct);
+void TIM_OC3Init(TIM_TypeDef* TIMx, TIM_OCInitTypeDef* TIM_OCInitStruct);
+void TIM_OC4Init(TIM_TypeDef* TIMx, TIM_OCInitTypeDef* TIM_OCInitStruct);
+void TIM_OCStructInit(TIM_OCInitTypeDef* TIM_OCInitStruct);
+void TIM_SelectOCxM(TIM_TypeDef* TIMx, uint16_t TIM_Channel, uint16_t TIM_OCMode);
+void TIM_SetCompare1(TIM_TypeDef* TIMx, uint32_t Compare1);
+void TIM_SetCompare2(TIM_TypeDef* TIMx, uint32_t Compare2);
+void TIM_SetCompare3(TIM_TypeDef* TIMx, uint32_t Compare3);
+void TIM_SetCompare4(TIM_TypeDef* TIMx, uint32_t Compare4);
+void TIM_ForcedOC1Config(TIM_TypeDef* TIMx, uint16_t TIM_ForcedAction);
+void TIM_ForcedOC2Config(TIM_TypeDef* TIMx, uint16_t TIM_ForcedAction);
+void TIM_ForcedOC3Config(TIM_TypeDef* TIMx, uint16_t TIM_ForcedAction);
+void TIM_ForcedOC4Config(TIM_TypeDef* TIMx, uint16_t TIM_ForcedAction);
+void TIM_CCPreloadControl(TIM_TypeDef* TIMx, FunctionalState NewState);
+void TIM_OC1PreloadConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPreload);
+void TIM_OC2PreloadConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPreload);
+void TIM_OC3PreloadConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPreload);
+void TIM_OC4PreloadConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPreload);
+void TIM_OC1FastConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCFast);
+void TIM_OC2FastConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCFast);
+void TIM_OC3FastConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCFast);
+void TIM_OC4FastConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCFast);
+void TIM_ClearOC1Ref(TIM_TypeDef* TIMx, uint16_t TIM_OCClear);
+void TIM_ClearOC2Ref(TIM_TypeDef* TIMx, uint16_t TIM_OCClear);
+void TIM_ClearOC3Ref(TIM_TypeDef* TIMx, uint16_t TIM_OCClear);
+void TIM_ClearOC4Ref(TIM_TypeDef* TIMx, uint16_t TIM_OCClear);
+void TIM_OC1PolarityConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPolarity);
+void TIM_OC1NPolarityConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCNPolarity);
+void TIM_OC2PolarityConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPolarity);
+void TIM_OC2NPolarityConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCNPolarity);
+void TIM_OC3PolarityConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPolarity);
+void TIM_OC3NPolarityConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCNPolarity);
+void TIM_OC4PolarityConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPolarity);
+void TIM_SelectOCREFClear(TIM_TypeDef* TIMx, uint16_t TIM_OCReferenceClear);
+void TIM_CCxCmd(TIM_TypeDef* TIMx, uint16_t TIM_Channel, uint16_t TIM_CCx);
+void TIM_CCxNCmd(TIM_TypeDef* TIMx, uint16_t TIM_Channel, uint16_t TIM_CCxN);
+void TIM_SelectCOM(TIM_TypeDef* TIMx, FunctionalState NewState);
+
+/* Input Capture management ***************************************************/
+void TIM_ICInit(TIM_TypeDef* TIMx, TIM_ICInitTypeDef* TIM_ICInitStruct);
+void TIM_ICStructInit(TIM_ICInitTypeDef* TIM_ICInitStruct);
+void TIM_PWMIConfig(TIM_TypeDef* TIMx, TIM_ICInitTypeDef* TIM_ICInitStruct);
+uint32_t TIM_GetCapture1(TIM_TypeDef* TIMx);
+uint32_t TIM_GetCapture2(TIM_TypeDef* TIMx);
+uint32_t TIM_GetCapture3(TIM_TypeDef* TIMx);
+uint32_t TIM_GetCapture4(TIM_TypeDef* TIMx);
+void TIM_SetIC1Prescaler(TIM_TypeDef* TIMx, uint16_t TIM_ICPSC);
+void TIM_SetIC2Prescaler(TIM_TypeDef* TIMx, uint16_t TIM_ICPSC);
+void TIM_SetIC3Prescaler(TIM_TypeDef* TIMx, uint16_t TIM_ICPSC);
+void TIM_SetIC4Prescaler(TIM_TypeDef* TIMx, uint16_t TIM_ICPSC);
+
+/* Interrupts, DMA and flags management ***************************************/
+void TIM_ITConfig(TIM_TypeDef* TIMx, uint16_t TIM_IT, FunctionalState NewState);
+void TIM_GenerateEvent(TIM_TypeDef* TIMx, uint16_t TIM_EventSource);
+FlagStatus TIM_GetFlagStatus(TIM_TypeDef* TIMx, uint16_t TIM_FLAG);
+void TIM_ClearFlag(TIM_TypeDef* TIMx, uint16_t TIM_FLAG);
+ITStatus TIM_GetITStatus(TIM_TypeDef* TIMx, uint16_t TIM_IT);
+void TIM_ClearITPendingBit(TIM_TypeDef* TIMx, uint16_t TIM_IT);
+void TIM_DMAConfig(TIM_TypeDef* TIMx, uint16_t TIM_DMABase, uint16_t TIM_DMABurstLength);
+void TIM_DMACmd(TIM_TypeDef* TIMx, uint16_t TIM_DMASource, FunctionalState NewState);
+void TIM_SelectCCDMA(TIM_TypeDef* TIMx, FunctionalState NewState);
+
+/* Clocks management **********************************************************/
+void TIM_InternalClockConfig(TIM_TypeDef* TIMx);
+void TIM_ITRxExternalClockConfig(TIM_TypeDef* TIMx, uint16_t TIM_InputTriggerSource);
+void TIM_TIxExternalClockConfig(TIM_TypeDef* TIMx, uint16_t TIM_TIxExternalCLKSource,
+ uint16_t TIM_ICPolarity, uint16_t ICFilter);
+void TIM_ETRClockMode1Config(TIM_TypeDef* TIMx, uint16_t TIM_ExtTRGPrescaler, uint16_t TIM_ExtTRGPolarity,
+ uint16_t ExtTRGFilter);
+void TIM_ETRClockMode2Config(TIM_TypeDef* TIMx, uint16_t TIM_ExtTRGPrescaler,
+ uint16_t TIM_ExtTRGPolarity, uint16_t ExtTRGFilter);
+
+
+/* Synchronization management *************************************************/
+void TIM_SelectInputTrigger(TIM_TypeDef* TIMx, uint16_t TIM_InputTriggerSource);
+void TIM_SelectOutputTrigger(TIM_TypeDef* TIMx, uint16_t TIM_TRGOSource);
+void TIM_SelectSlaveMode(TIM_TypeDef* TIMx, uint16_t TIM_SlaveMode);
+void TIM_SelectMasterSlaveMode(TIM_TypeDef* TIMx, uint16_t TIM_MasterSlaveMode);
+void TIM_ETRConfig(TIM_TypeDef* TIMx, uint16_t TIM_ExtTRGPrescaler, uint16_t TIM_ExtTRGPolarity,
+ uint16_t ExtTRGFilter);
+
+/* Specific interface management **********************************************/
+void TIM_EncoderInterfaceConfig(TIM_TypeDef* TIMx, uint16_t TIM_EncoderMode,
+ uint16_t TIM_IC1Polarity, uint16_t TIM_IC2Polarity);
+void TIM_SelectHallSensor(TIM_TypeDef* TIMx, FunctionalState NewState);
+
+/* Specific remapping management **********************************************/
+void TIM_RemapConfig(TIM_TypeDef* TIMx, uint16_t TIM_Remap);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*__STM32F0XX_TIM_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_usart.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_usart.h
new file mode 100644
index 00000000..85ff3c6f
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_usart.h
@@ -0,0 +1,604 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_usart.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the USART
+ * firmware library.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_USART_H
+#define __STM32F0XX_USART_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup USART
+ * @{
+ */
+
+/* Exported types ------------------------------------------------------------*/
+
+
+
+/**
+ * @brief USART Init Structure definition
+ */
+
+typedef struct
+{
+ uint32_t USART_BaudRate; /*!< This member configures the USART communication baud rate.
+ The baud rate is computed using the following formula:
+ - IntegerDivider = ((PCLKx) / (16 * (USART_InitStruct->USART_BaudRate)))
+ - FractionalDivider = ((IntegerDivider - ((uint32_t) IntegerDivider)) * 16) + 0.5 */
+
+ uint32_t USART_WordLength; /*!< Specifies the number of data bits transmitted or received in a frame.
+ This parameter can be a value of @ref USART_Word_Length */
+
+ uint32_t USART_StopBits; /*!< Specifies the number of stop bits transmitted.
+ This parameter can be a value of @ref USART_Stop_Bits */
+
+ uint32_t USART_Parity; /*!< Specifies the parity mode.
+ This parameter can be a value of @ref USART_Parity
+ @note When parity is enabled, the computed parity is inserted
+ at the MSB position of the transmitted data (9th bit when
+ the word length is set to 9 data bits; 8th bit when the
+ word length is set to 8 data bits). */
+
+ uint32_t USART_Mode; /*!< Specifies wether the Receive or Transmit mode is enabled or disabled.
+ This parameter can be a value of @ref USART_Mode */
+
+ uint32_t USART_HardwareFlowControl; /*!< Specifies wether the hardware flow control mode is enabled
+ or disabled.
+ This parameter can be a value of @ref USART_Hardware_Flow_Control*/
+} USART_InitTypeDef;
+
+/**
+ * @brief USART Clock Init Structure definition
+ */
+
+typedef struct
+{
+ uint32_t USART_Clock; /*!< Specifies whether the USART clock is enabled or disabled.
+ This parameter can be a value of @ref USART_Clock */
+
+ uint32_t USART_CPOL; /*!< Specifies the steady state of the serial clock.
+ This parameter can be a value of @ref USART_Clock_Polarity */
+
+ uint32_t USART_CPHA; /*!< Specifies the clock transition on which the bit capture is made.
+ This parameter can be a value of @ref USART_Clock_Phase */
+
+ uint32_t USART_LastBit; /*!< Specifies whether the clock pulse corresponding to the last transmitted
+ data bit (MSB) has to be output on the SCLK pin in synchronous mode.
+ This parameter can be a value of @ref USART_Last_Bit */
+} USART_ClockInitTypeDef;
+
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup USART_Exported_Constants
+ * @{
+ */
+
+#define IS_USART_ALL_PERIPH(PERIPH) (((PERIPH) == USART1) || \
+ ((PERIPH) == USART2) || \
+ ((PERIPH) == USART3) || \
+ ((PERIPH) == USART4) || \
+ ((PERIPH) == USART5) || \
+ ((PERIPH) == USART6) || \
+ ((PERIPH) == USART7) || \
+ ((PERIPH) == USART8))
+
+#define IS_USART_123_PERIPH(PERIPH) (((PERIPH) == USART1) || \
+ ((PERIPH) == USART2) || \
+ ((PERIPH) == USART3))
+
+/** @defgroup USART_Word_Length
+ * @{
+ */
+
+#define USART_WordLength_8b ((uint32_t)0x00000000)
+#define USART_WordLength_9b USART_CR1_M /* should be ((uint32_t)0x00001000) */
+#define USART_WordLength_7b ((uint32_t)0x10001000) /*!< only available for STM32F072 and STM32F030 devices */
+#define IS_USART_WORD_LENGTH(LENGTH) (((LENGTH) == USART_WordLength_8b) || \
+ ((LENGTH) == USART_WordLength_9b) || \
+ ((LENGTH) == USART_WordLength_7b))
+/**
+ * @}
+ */
+
+/** @defgroup USART_Stop_Bits
+ * @{
+ */
+
+#define USART_StopBits_1 ((uint32_t)0x00000000)
+#define USART_StopBits_2 USART_CR2_STOP_1
+#define USART_StopBits_1_5 (USART_CR2_STOP_0 | USART_CR2_STOP_1)
+#define IS_USART_STOPBITS(STOPBITS) (((STOPBITS) == USART_StopBits_1) || \
+ ((STOPBITS) == USART_StopBits_2) || \
+ ((STOPBITS) == USART_StopBits_1_5))
+/**
+ * @}
+ */
+
+/** @defgroup USART_Parity
+ * @{
+ */
+
+#define USART_Parity_No ((uint32_t)0x00000000)
+#define USART_Parity_Even USART_CR1_PCE
+#define USART_Parity_Odd (USART_CR1_PCE | USART_CR1_PS)
+#define IS_USART_PARITY(PARITY) (((PARITY) == USART_Parity_No) || \
+ ((PARITY) == USART_Parity_Even) || \
+ ((PARITY) == USART_Parity_Odd))
+/**
+ * @}
+ */
+
+/** @defgroup USART_Mode
+ * @{
+ */
+
+#define USART_Mode_Rx USART_CR1_RE
+#define USART_Mode_Tx USART_CR1_TE
+#define IS_USART_MODE(MODE) ((((MODE) & (uint32_t)0xFFFFFFF3) == 0x00) && \
+ ((MODE) != (uint32_t)0x00))
+/**
+ * @}
+ */
+
+/** @defgroup USART_Hardware_Flow_Control
+ * @{
+ */
+
+#define USART_HardwareFlowControl_None ((uint32_t)0x00000000)
+#define USART_HardwareFlowControl_RTS USART_CR3_RTSE
+#define USART_HardwareFlowControl_CTS USART_CR3_CTSE
+#define USART_HardwareFlowControl_RTS_CTS (USART_CR3_RTSE | USART_CR3_CTSE)
+#define IS_USART_HARDWARE_FLOW_CONTROL(CONTROL)\
+ (((CONTROL) == USART_HardwareFlowControl_None) || \
+ ((CONTROL) == USART_HardwareFlowControl_RTS) || \
+ ((CONTROL) == USART_HardwareFlowControl_CTS) || \
+ ((CONTROL) == USART_HardwareFlowControl_RTS_CTS))
+/**
+ * @}
+ */
+
+/** @defgroup USART_Clock
+ * @{
+ */
+
+#define USART_Clock_Disable ((uint32_t)0x00000000)
+#define USART_Clock_Enable USART_CR2_CLKEN
+#define IS_USART_CLOCK(CLOCK) (((CLOCK) == USART_Clock_Disable) || \
+ ((CLOCK) == USART_Clock_Enable))
+/**
+ * @}
+ */
+
+/** @defgroup USART_Clock_Polarity
+ * @{
+ */
+
+#define USART_CPOL_Low ((uint32_t)0x00000000)
+#define USART_CPOL_High USART_CR2_CPOL
+#define IS_USART_CPOL(CPOL) (((CPOL) == USART_CPOL_Low) || ((CPOL) == USART_CPOL_High))
+
+/**
+ * @}
+ */
+
+/** @defgroup USART_Clock_Phase
+ * @{
+ */
+
+#define USART_CPHA_1Edge ((uint32_t)0x00000000)
+#define USART_CPHA_2Edge USART_CR2_CPHA
+#define IS_USART_CPHA(CPHA) (((CPHA) == USART_CPHA_1Edge) || ((CPHA) == USART_CPHA_2Edge))
+
+/**
+ * @}
+ */
+
+/** @defgroup USART_Last_Bit
+ * @{
+ */
+
+#define USART_LastBit_Disable ((uint32_t)0x00000000)
+#define USART_LastBit_Enable USART_CR2_LBCL
+#define IS_USART_LASTBIT(LASTBIT) (((LASTBIT) == USART_LastBit_Disable) || \
+ ((LASTBIT) == USART_LastBit_Enable))
+/**
+ * @}
+ */
+
+/** @defgroup USART_DMA_Requests
+ * @{
+ */
+
+#define USART_DMAReq_Tx USART_CR3_DMAT
+#define USART_DMAReq_Rx USART_CR3_DMAR
+#define IS_USART_DMAREQ(DMAREQ) ((((DMAREQ) & (uint32_t)0xFFFFFF3F) == 0x00) && \
+ ((DMAREQ) != (uint32_t)0x00))
+
+/**
+ * @}
+ */
+
+/** @defgroup USART_DMA_Recception_Error
+ * @{
+ */
+
+#define USART_DMAOnError_Enable ((uint32_t)0x00000000)
+#define USART_DMAOnError_Disable USART_CR3_DDRE
+#define IS_USART_DMAONERROR(DMAERROR) (((DMAERROR) == USART_DMAOnError_Disable)|| \
+ ((DMAERROR) == USART_DMAOnError_Enable))
+/**
+ * @}
+ */
+
+/** @defgroup USART_MuteMode_WakeUp_methods
+ * @{
+ */
+
+#define USART_WakeUp_IdleLine ((uint32_t)0x00000000)
+#define USART_WakeUp_AddressMark USART_CR1_WAKE
+#define IS_USART_MUTEMODE_WAKEUP(WAKEUP) (((WAKEUP) == USART_WakeUp_IdleLine) || \
+ ((WAKEUP) == USART_WakeUp_AddressMark))
+/**
+ * @}
+ */
+
+/** @defgroup USART_Address_Detection
+ * @{
+ */
+
+#define USART_AddressLength_4b ((uint32_t)0x00000000)
+#define USART_AddressLength_7b USART_CR2_ADDM7
+#define IS_USART_ADDRESS_DETECTION(ADDRESS) (((ADDRESS) == USART_AddressLength_4b) || \
+ ((ADDRESS) == USART_AddressLength_7b))
+/**
+ * @}
+ */
+
+/** @defgroup USART_StopMode_WakeUp_methods
+ * @note These parameters are only available for STM32F051 and STM32F072 devices
+ * @{
+ */
+
+#define USART_WakeUpSource_AddressMatch ((uint32_t)0x00000000)
+#define USART_WakeUpSource_StartBit USART_CR3_WUS_1
+#define USART_WakeUpSource_RXNE (USART_CR3_WUS_0 | USART_CR3_WUS_1)
+#define IS_USART_STOPMODE_WAKEUPSOURCE(SOURCE) (((SOURCE) == USART_WakeUpSource_AddressMatch) || \
+ ((SOURCE) == USART_WakeUpSource_StartBit) || \
+ ((SOURCE) == USART_WakeUpSource_RXNE))
+/**
+ * @}
+ */
+
+/** @defgroup USART_LIN_Break_Detection_Length
+ * @{
+ */
+
+#define USART_LINBreakDetectLength_10b ((uint32_t)0x00000000)
+#define USART_LINBreakDetectLength_11b USART_CR2_LBDL
+#define IS_USART_LIN_BREAK_DETECT_LENGTH(LENGTH) \
+ (((LENGTH) == USART_LINBreakDetectLength_10b) || \
+ ((LENGTH) == USART_LINBreakDetectLength_11b))
+/**
+ * @}
+ */
+
+/** @defgroup USART_IrDA_Low_Power
+ * @{
+ */
+
+#define USART_IrDAMode_LowPower USART_CR3_IRLP
+#define USART_IrDAMode_Normal ((uint32_t)0x00000000)
+#define IS_USART_IRDA_MODE(MODE) (((MODE) == USART_IrDAMode_LowPower) || \
+ ((MODE) == USART_IrDAMode_Normal))
+/**
+ * @}
+ */
+
+/** @defgroup USART_DE_Polarity
+ * @{
+ */
+
+#define USART_DEPolarity_High ((uint32_t)0x00000000)
+#define USART_DEPolarity_Low USART_CR3_DEP
+#define IS_USART_DE_POLARITY(POLARITY) (((POLARITY) == USART_DEPolarity_Low) || \
+ ((POLARITY) == USART_DEPolarity_High))
+/**
+ * @}
+ */
+
+/** @defgroup USART_Inversion_Pins
+ * @{
+ */
+
+#define USART_InvPin_Tx USART_CR2_TXINV
+#define USART_InvPin_Rx USART_CR2_RXINV
+#define IS_USART_INVERSTION_PIN(PIN) ((((PIN) & (uint32_t)0xFFFCFFFF) == 0x00) && \
+ ((PIN) != (uint32_t)0x00))
+
+/**
+ * @}
+ */
+
+/** @defgroup USART_AutoBaudRate_Mode
+ * @{
+ */
+
+#define USART_AutoBaudRate_StartBit ((uint32_t)0x00000000)
+#define USART_AutoBaudRate_FallingEdge USART_CR2_ABRMODE_0
+#define IS_USART_AUTOBAUDRATE_MODE(MODE) (((MODE) == USART_AutoBaudRate_StartBit) || \
+ ((MODE) == USART_AutoBaudRate_FallingEdge))
+/**
+ * @}
+ */
+
+/** @defgroup USART_OVR_DETECTION
+ * @{
+ */
+
+#define USART_OVRDetection_Enable ((uint32_t)0x00000000)
+#define USART_OVRDetection_Disable USART_CR3_OVRDIS
+#define IS_USART_OVRDETECTION(OVR) (((OVR) == USART_OVRDetection_Enable)|| \
+ ((OVR) == USART_OVRDetection_Disable))
+/**
+ * @}
+ */
+/** @defgroup USART_Request
+ * @{
+ */
+
+#define USART_Request_ABRRQ USART_RQR_ABRRQ
+#define USART_Request_SBKRQ USART_RQR_SBKRQ
+#define USART_Request_MMRQ USART_RQR_MMRQ
+#define USART_Request_RXFRQ USART_RQR_RXFRQ
+#define USART_Request_TXFRQ USART_RQR_TXFRQ
+
+#define IS_USART_REQUEST(REQUEST) (((REQUEST) == USART_Request_TXFRQ) || \
+ ((REQUEST) == USART_Request_RXFRQ) || \
+ ((REQUEST) == USART_Request_MMRQ) || \
+ ((REQUEST) == USART_Request_SBKRQ) || \
+ ((REQUEST) == USART_Request_ABRRQ))
+/**
+ * @}
+ */
+
+/** @defgroup USART_Flags
+ * @{
+ */
+#define USART_FLAG_REACK USART_ISR_REACK
+#define USART_FLAG_TEACK USART_ISR_TEACK
+#define USART_FLAG_WU USART_ISR_WUF /*!< Not available for STM32F030 devices */
+#define USART_FLAG_RWU USART_ISR_RWU /*!< Not available for STM32F030 devices */
+#define USART_FLAG_SBK USART_ISR_SBKF
+#define USART_FLAG_CM USART_ISR_CMF
+#define USART_FLAG_BUSY USART_ISR_BUSY
+#define USART_FLAG_ABRF USART_ISR_ABRF
+#define USART_FLAG_ABRE USART_ISR_ABRE
+#define USART_FLAG_EOB USART_ISR_EOBF /*!< Not available for STM32F030 devices */
+#define USART_FLAG_RTO USART_ISR_RTOF
+#define USART_FLAG_nCTSS USART_ISR_CTS
+#define USART_FLAG_CTS USART_ISR_CTSIF
+#define USART_FLAG_LBD USART_ISR_LBD /*!< Not available for STM32F030 devices */
+#define USART_FLAG_TXE USART_ISR_TXE
+#define USART_FLAG_TC USART_ISR_TC
+#define USART_FLAG_RXNE USART_ISR_RXNE
+#define USART_FLAG_IDLE USART_ISR_IDLE
+#define USART_FLAG_ORE USART_ISR_ORE
+#define USART_FLAG_NE USART_ISR_NE
+#define USART_FLAG_FE USART_ISR_FE
+#define USART_FLAG_PE USART_ISR_PE
+#define IS_USART_FLAG(FLAG) (((FLAG) == USART_FLAG_PE) || ((FLAG) == USART_FLAG_TXE) || \
+ ((FLAG) == USART_FLAG_TC) || ((FLAG) == USART_FLAG_RXNE) || \
+ ((FLAG) == USART_FLAG_IDLE) || ((FLAG) == USART_FLAG_LBD) || \
+ ((FLAG) == USART_FLAG_CTS) || ((FLAG) == USART_FLAG_ORE) || \
+ ((FLAG) == USART_FLAG_NE) || ((FLAG) == USART_FLAG_FE) || \
+ ((FLAG) == USART_FLAG_nCTSS) || ((FLAG) == USART_FLAG_RTO) || \
+ ((FLAG) == USART_FLAG_EOB) || ((FLAG) == USART_FLAG_ABRE) || \
+ ((FLAG) == USART_FLAG_ABRF) || ((FLAG) == USART_FLAG_BUSY) || \
+ ((FLAG) == USART_FLAG_CM) || ((FLAG) == USART_FLAG_SBK) || \
+ ((FLAG) == USART_FLAG_RWU) || ((FLAG) == USART_FLAG_WU) || \
+ ((FLAG) == USART_FLAG_TEACK)|| ((FLAG) == USART_FLAG_REACK))
+
+#define IS_USART_CLEAR_FLAG(FLAG) (((FLAG) == USART_FLAG_WU) || ((FLAG) == USART_FLAG_TC) || \
+ ((FLAG) == USART_FLAG_IDLE) || ((FLAG) == USART_FLAG_ORE) || \
+ ((FLAG) == USART_FLAG_NE) || ((FLAG) == USART_FLAG_FE) || \
+ ((FLAG) == USART_FLAG_LBD) || ((FLAG) == USART_FLAG_CTS) || \
+ ((FLAG) == USART_FLAG_RTO) || ((FLAG) == USART_FLAG_EOB) || \
+ ((FLAG) == USART_FLAG_CM) || ((FLAG) == USART_FLAG_PE))
+/**
+ * @}
+ */
+
+/** @defgroup USART_Interrupt_definition
+ * @brief USART Interrupt definition
+ * USART_IT possible values
+ * Elements values convention: 0xZZZZYYXX
+ * XX: Position of the corresponding Interrupt
+ * YY: Register index
+ * ZZZZ: Flag position
+ * @{
+ */
+
+#define USART_IT_WU ((uint32_t)0x00140316) /*!< Not available for STM32F030 devices */
+#define USART_IT_CM ((uint32_t)0x0011010E)
+#define USART_IT_EOB ((uint32_t)0x000C011B) /*!< Not available for STM32F030 devices */
+#define USART_IT_RTO ((uint32_t)0x000B011A)
+#define USART_IT_PE ((uint32_t)0x00000108)
+#define USART_IT_TXE ((uint32_t)0x00070107)
+#define USART_IT_TC ((uint32_t)0x00060106)
+#define USART_IT_RXNE ((uint32_t)0x00050105)
+#define USART_IT_IDLE ((uint32_t)0x00040104)
+#define USART_IT_LBD ((uint32_t)0x00080206) /*!< Not available for STM32F030 devices */
+#define USART_IT_CTS ((uint32_t)0x0009030A)
+#define USART_IT_ERR ((uint32_t)0x00000300)
+#define USART_IT_ORE ((uint32_t)0x00030300)
+#define USART_IT_NE ((uint32_t)0x00020300)
+#define USART_IT_FE ((uint32_t)0x00010300)
+
+#define IS_USART_CONFIG_IT(IT) (((IT) == USART_IT_PE) || ((IT) == USART_IT_TXE) || \
+ ((IT) == USART_IT_TC) || ((IT) == USART_IT_RXNE) || \
+ ((IT) == USART_IT_IDLE) || ((IT) == USART_IT_LBD) || \
+ ((IT) == USART_IT_CTS) || ((IT) == USART_IT_ERR) || \
+ ((IT) == USART_IT_RTO) || ((IT) == USART_IT_EOB) || \
+ ((IT) == USART_IT_CM) || ((IT) == USART_IT_WU))
+
+#define IS_USART_GET_IT(IT) (((IT) == USART_IT_PE) || ((IT) == USART_IT_TXE) || \
+ ((IT) == USART_IT_TC) || ((IT) == USART_IT_RXNE) || \
+ ((IT) == USART_IT_IDLE) || ((IT) == USART_IT_LBD) || \
+ ((IT) == USART_IT_CTS) || ((IT) == USART_IT_ORE) || \
+ ((IT) == USART_IT_NE) || ((IT) == USART_IT_FE) || \
+ ((IT) == USART_IT_RTO) || ((IT) == USART_IT_EOB) || \
+ ((IT) == USART_IT_CM) || ((IT) == USART_IT_WU))
+
+#define IS_USART_CLEAR_IT(IT) (((IT) == USART_IT_TC) || ((IT) == USART_IT_PE) || \
+ ((IT) == USART_IT_FE) || ((IT) == USART_IT_NE) || \
+ ((IT) == USART_IT_ORE) || ((IT) == USART_IT_IDLE) || \
+ ((IT) == USART_IT_LBD) || ((IT) == USART_IT_CTS) || \
+ ((IT) == USART_IT_RTO) || ((IT) == USART_IT_EOB) || \
+ ((IT) == USART_IT_CM) || ((IT) == USART_IT_WU))
+/**
+ * @}
+ */
+
+/** @defgroup USART_Global_definition
+ * @{
+ */
+
+#define IS_USART_BAUDRATE(BAUDRATE) (((BAUDRATE) > 0) && ((BAUDRATE) < 0x005B8D81))
+#define IS_USART_DE_ASSERTION_DEASSERTION_TIME(TIME) ((TIME) <= 0x1F)
+#define IS_USART_AUTO_RETRY_COUNTER(COUNTER) ((COUNTER) <= 0x7)
+#define IS_USART_TIMEOUT(TIMEOUT) ((TIMEOUT) <= 0x00FFFFFF)
+#define IS_USART_DATA(DATA) ((DATA) <= 0x1FF)
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+
+/* Initialization and Configuration functions *********************************/
+void USART_DeInit(USART_TypeDef* USARTx);
+void USART_Init(USART_TypeDef* USARTx, USART_InitTypeDef* USART_InitStruct);
+void USART_StructInit(USART_InitTypeDef* USART_InitStruct);
+void USART_ClockInit(USART_TypeDef* USARTx, USART_ClockInitTypeDef* USART_ClockInitStruct);
+void USART_ClockStructInit(USART_ClockInitTypeDef* USART_ClockInitStruct);
+void USART_Cmd(USART_TypeDef* USARTx, FunctionalState NewState);
+void USART_DirectionModeCmd(USART_TypeDef* USARTx, uint32_t USART_DirectionMode, FunctionalState NewState);
+void USART_SetPrescaler(USART_TypeDef* USARTx, uint8_t USART_Prescaler); /* Not available for STM32F030 devices */
+void USART_OverSampling8Cmd(USART_TypeDef* USARTx, FunctionalState NewState);
+void USART_OneBitMethodCmd(USART_TypeDef* USARTx, FunctionalState NewState);
+void USART_MSBFirstCmd(USART_TypeDef* USARTx, FunctionalState NewState);
+void USART_DataInvCmd(USART_TypeDef* USARTx, FunctionalState NewState);
+void USART_InvPinCmd(USART_TypeDef* USARTx, uint32_t USART_InvPin, FunctionalState NewState);
+void USART_SWAPPinCmd(USART_TypeDef* USARTx, FunctionalState NewState);
+void USART_ReceiverTimeOutCmd(USART_TypeDef* USARTx, FunctionalState NewState);
+void USART_SetReceiverTimeOut(USART_TypeDef* USARTx, uint32_t USART_ReceiverTimeOut);
+
+/* STOP Mode functions ********************************************************/
+void USART_STOPModeCmd(USART_TypeDef* USARTx, FunctionalState NewState);
+void USART_StopModeWakeUpSourceConfig(USART_TypeDef* USARTx, uint32_t USART_WakeUpSource); /* Not available for STM32F030 devices */
+
+/* AutoBaudRate functions *****************************************************/
+void USART_AutoBaudRateCmd(USART_TypeDef* USARTx, FunctionalState NewState);
+void USART_AutoBaudRateConfig(USART_TypeDef* USARTx, uint32_t USART_AutoBaudRate);
+
+/* Data transfers functions ***************************************************/
+void USART_SendData(USART_TypeDef* USARTx, uint16_t Data);
+uint16_t USART_ReceiveData(USART_TypeDef* USARTx);
+
+/* Multi-Processor Communication functions ************************************/
+void USART_SetAddress(USART_TypeDef* USARTx, uint8_t USART_Address);
+void USART_MuteModeWakeUpConfig(USART_TypeDef* USARTx, uint32_t USART_WakeUp);
+void USART_MuteModeCmd(USART_TypeDef* USARTx, FunctionalState NewState);
+void USART_AddressDetectionConfig(USART_TypeDef* USARTx, uint32_t USART_AddressLength);
+
+/* LIN mode functions *********************************************************/
+void USART_LINBreakDetectLengthConfig(USART_TypeDef* USARTx, uint32_t USART_LINBreakDetectLength); /* Not available for STM32F030 devices */
+void USART_LINCmd(USART_TypeDef* USARTx, FunctionalState NewState); /* Not available for STM32F030 devices */
+
+/* Half-duplex mode function **************************************************/
+void USART_HalfDuplexCmd(USART_TypeDef* USARTx, FunctionalState NewState);
+
+/* Smartcard mode functions ***************************************************/
+void USART_SmartCardCmd(USART_TypeDef* USARTx, FunctionalState NewState); /* Not available for STM32F030 devices */
+void USART_SmartCardNACKCmd(USART_TypeDef* USARTx, FunctionalState NewState); /* Not available for STM32F030 devices */
+void USART_SetGuardTime(USART_TypeDef* USARTx, uint8_t USART_GuardTime); /* Not available for STM32F030 devices */
+void USART_SetAutoRetryCount(USART_TypeDef* USARTx, uint8_t USART_AutoCount); /* Not available for STM32F030 devices */
+void USART_SetBlockLength(USART_TypeDef* USARTx, uint8_t USART_BlockLength); /* Not available for STM32F030 devices */
+
+/* IrDA mode functions ********************************************************/
+void USART_IrDAConfig(USART_TypeDef* USARTx, uint32_t USART_IrDAMode); /* Not available for STM32F030 devices */
+void USART_IrDACmd(USART_TypeDef* USARTx, FunctionalState NewState); /* Not available for STM32F030 devices */
+
+/* RS485 mode functions *******************************************************/
+void USART_DECmd(USART_TypeDef* USARTx, FunctionalState NewState);
+void USART_DEPolarityConfig(USART_TypeDef* USARTx, uint32_t USART_DEPolarity);
+void USART_SetDEAssertionTime(USART_TypeDef* USARTx, uint32_t USART_DEAssertionTime);
+void USART_SetDEDeassertionTime(USART_TypeDef* USARTx, uint32_t USART_DEDeassertionTime);
+
+/* DMA transfers management functions *****************************************/
+void USART_DMACmd(USART_TypeDef* USARTx, uint32_t USART_DMAReq, FunctionalState NewState);
+void USART_DMAReceptionErrorConfig(USART_TypeDef* USARTx, uint32_t USART_DMAOnError);
+
+/* Interrupts and flags management functions **********************************/
+void USART_ITConfig(USART_TypeDef* USARTx, uint32_t USART_IT, FunctionalState NewState);
+void USART_RequestCmd(USART_TypeDef* USARTx, uint32_t USART_Request, FunctionalState NewState);
+void USART_OverrunDetectionConfig(USART_TypeDef* USARTx, uint32_t USART_OVRDetection);
+FlagStatus USART_GetFlagStatus(USART_TypeDef* USARTx, uint32_t USART_FLAG);
+void USART_ClearFlag(USART_TypeDef* USARTx, uint32_t USART_FLAG);
+ITStatus USART_GetITStatus(USART_TypeDef* USARTx, uint32_t USART_IT);
+void USART_ClearITPendingBit(USART_TypeDef* USARTx, uint32_t USART_IT);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F0XX_USART_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_wwdg.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_wwdg.h
new file mode 100644
index 00000000..435fcb27
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/inc/stm32f0xx_wwdg.h
@@ -0,0 +1,109 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_wwdg.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file contains all the functions prototypes for the WWDG
+ * firmware library.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0XX_WWDG_H
+#define __STM32F0XX_WWDG_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @addtogroup WWDG
+ * @{
+ */
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup WWDG_Exported_Constants
+ * @{
+ */
+
+/** @defgroup WWDG_Prescaler
+ * @{
+ */
+
+#define WWDG_Prescaler_1 ((uint32_t)0x00000000)
+#define WWDG_Prescaler_2 ((uint32_t)0x00000080)
+#define WWDG_Prescaler_4 ((uint32_t)0x00000100)
+#define WWDG_Prescaler_8 ((uint32_t)0x00000180)
+#define IS_WWDG_PRESCALER(PRESCALER) (((PRESCALER) == WWDG_Prescaler_1) || \
+ ((PRESCALER) == WWDG_Prescaler_2) || \
+ ((PRESCALER) == WWDG_Prescaler_4) || \
+ ((PRESCALER) == WWDG_Prescaler_8))
+#define IS_WWDG_WINDOW_VALUE(VALUE) ((VALUE) <= 0x7F)
+#define IS_WWDG_COUNTER(COUNTER) (((COUNTER) >= 0x40) && ((COUNTER) <= 0x7F))
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+/* Function used to set the WWDG configuration to the default reset state ****/
+void WWDG_DeInit(void);
+
+/* Prescaler, Refresh window and Counter configuration functions **************/
+void WWDG_SetPrescaler(uint32_t WWDG_Prescaler);
+void WWDG_SetWindowValue(uint8_t WindowValue);
+void WWDG_EnableIT(void);
+void WWDG_SetCounter(uint8_t Counter);
+
+/* WWDG activation functions **************************************************/
+void WWDG_Enable(uint8_t Counter);
+
+/* Interrupts and flags management functions **********************************/
+FlagStatus WWDG_GetFlagStatus(void);
+void WWDG_ClearFlag(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F0XX_WWDG_H */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_adc.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_adc.c
new file mode 100644
index 00000000..e0f13358
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_adc.c
@@ -0,0 +1,1240 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_adc.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the Analog to Digital Convertor (ADC) peripheral:
+ * + Initialization and Configuration
+ * + Power saving
+ * + Analog Watchdog configuration
+ * + Temperature Sensor, Vrefint (Internal Reference Voltage) and
+ * Vbat (Voltage battery) management
+ * + ADC Channels Configuration
+ * + ADC Channels DMA Configuration
+ * + Interrupts and flags management
+ *
+ * @verbatim
+================================================================================
+ ##### How to use this driver #####
+================================================================================
+ [..]
+ (#) Enable the ADC interface clock using
+ RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
+ (#) ADC pins configuration
+ (++) Enable the clock for the ADC GPIOs using the following function:
+ RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOx, ENABLE);
+ (++) Configure these ADC pins in analog mode using GPIO_Init();
+ (#) Configure the ADC conversion resolution, data alignment, external
+ trigger and edge, scan direction and Enable/Disable the continuous mode
+ using the ADC_Init() function.
+ (#) Activate the ADC peripheral using ADC_Cmd() function.
+
+ *** ADC channels group configuration ***
+ ============================================
+ [..]
+ (+) To configure the ADC channels features, use ADC_Init() and
+ ADC_ChannelConfig() functions.
+ (+) To activate the continuous mode, use the ADC_ContinuousModeCmd()
+ function.
+ (+) To activate the Discontinuous mode, use the ADC_DiscModeCmd() functions.
+ (+) To activate the overrun mode, use the ADC_OverrunModeCmd() functions.
+ (+) To activate the calibration mode, use the ADC_GetCalibrationFactor() functions.
+ (+) To read the ADC converted values, use the ADC_GetConversionValue()
+ function.
+
+ *** DMA for ADC channels features configuration ***
+ =============================================================
+ [..]
+ (+) To enable the DMA mode for ADC channels group, use the ADC_DMACmd() function.
+ (+) To configure the DMA transfer request, use ADC_DMARequestModeConfig() function.
+
+ * @endverbatim
+ *
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_adc.h"
+#include "stm32f0xx_rcc.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup ADC
+ * @brief ADC driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* ADC CFGR mask */
+#define CFGR1_CLEAR_MASK ((uint32_t)0xFFFFD203)
+
+/* Calibration time out */
+#define CALIBRATION_TIMEOUT ((uint32_t)0x0000F000)
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup ADC_Private_Functions
+ * @{
+ */
+
+/** @defgroup ADC_Group1 Initialization and Configuration functions
+ * @brief Initialization and Configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Initialization and Configuration functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to:
+ (+) Initialize and configure the ADC Prescaler
+ (+) ADC Conversion Resolution (12bit..6bit)
+ (+) ADC Continuous Conversion Mode (Continuous or Single conversion)
+ (+) External trigger Edge and source
+ (+) Converted data alignment (left or right)
+ (+) The direction in which the channels will be scanned in the sequence
+ (+) Enable or disable the ADC peripheral
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Deinitializes ADC1 peripheral registers to their default reset values.
+ * @param ADCx: where x can be 1 to select the ADC peripheral.
+ * @retval None
+ */
+void ADC_DeInit(ADC_TypeDef* ADCx)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+
+ if(ADCx == ADC1)
+ {
+ /* Enable ADC1 reset state */
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_ADC1, ENABLE);
+
+ /* Release ADC1 from reset state */
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_ADC1, DISABLE);
+ }
+}
+
+/**
+ * @brief Initializes the ADCx peripheral according to the specified parameters
+ * in the ADC_InitStruct.
+ * @note This function is used to configure the global features of the ADC (
+ * Resolution, Data Alignment, continuous mode activation, External
+ * trigger source and edge, Sequence Scan Direction).
+ * @param ADCx: where x can be 1 to select the ADC peripheral.
+ * @param ADC_InitStruct: pointer to an ADC_InitTypeDef structure that contains
+ * the configuration information for the specified ADC peripheral.
+ * @retval None
+ */
+void ADC_Init(ADC_TypeDef* ADCx, ADC_InitTypeDef* ADC_InitStruct)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_ADC_RESOLUTION(ADC_InitStruct->ADC_Resolution));
+ assert_param(IS_FUNCTIONAL_STATE(ADC_InitStruct->ADC_ContinuousConvMode));
+ assert_param(IS_ADC_EXT_TRIG_EDGE(ADC_InitStruct->ADC_ExternalTrigConvEdge));
+ assert_param(IS_ADC_EXTERNAL_TRIG_CONV(ADC_InitStruct->ADC_ExternalTrigConv));
+ assert_param(IS_ADC_DATA_ALIGN(ADC_InitStruct->ADC_DataAlign));
+ assert_param(IS_ADC_SCAN_DIRECTION(ADC_InitStruct->ADC_ScanDirection));
+
+ /* Get the ADCx CFGR value */
+ tmpreg = ADCx->CFGR1;
+
+ /* Clear SCANDIR, RES[1:0], ALIGN, EXTSEL[2:0], EXTEN[1:0] and CONT bits */
+ tmpreg &= CFGR1_CLEAR_MASK;
+
+ /*---------------------------- ADCx CFGR Configuration ---------------------*/
+
+ /* Set RES[1:0] bits according to ADC_Resolution value */
+ /* Set CONT bit according to ADC_ContinuousConvMode value */
+ /* Set EXTEN[1:0] bits according to ADC_ExternalTrigConvEdge value */
+ /* Set EXTSEL[2:0] bits according to ADC_ExternalTrigConv value */
+ /* Set ALIGN bit according to ADC_DataAlign value */
+ /* Set SCANDIR bit according to ADC_ScanDirection value */
+
+ tmpreg |= (uint32_t)(ADC_InitStruct->ADC_Resolution | ((uint32_t)(ADC_InitStruct->ADC_ContinuousConvMode) << 13) |
+ ADC_InitStruct->ADC_ExternalTrigConvEdge | ADC_InitStruct->ADC_ExternalTrigConv |
+ ADC_InitStruct->ADC_DataAlign | ADC_InitStruct->ADC_ScanDirection);
+
+ /* Write to ADCx CFGR */
+ ADCx->CFGR1 = tmpreg;
+}
+
+/**
+ * @brief Fills each ADC_InitStruct member with its default value.
+ * @note This function is used to initialize the global features of the ADC (
+ * Resolution, Data Alignment, continuous mode activation, External
+ * trigger source and edge, Sequence Scan Direction).
+ * @param ADC_InitStruct: pointer to an ADC_InitTypeDef structure which will
+ * be initialized.
+ * @retval None
+ */
+void ADC_StructInit(ADC_InitTypeDef* ADC_InitStruct)
+{
+ /* Reset ADC init structure parameters values */
+ /* Initialize the ADC_Resolution member */
+ ADC_InitStruct->ADC_Resolution = ADC_Resolution_12b;
+
+ /* Initialize the ADC_ContinuousConvMode member */
+ ADC_InitStruct->ADC_ContinuousConvMode = DISABLE;
+
+ /* Initialize the ADC_ExternalTrigConvEdge member */
+ ADC_InitStruct->ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
+
+ /* Initialize the ADC_ExternalTrigConv member */
+ ADC_InitStruct->ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_TRGO;
+
+ /* Initialize the ADC_DataAlign member */
+ ADC_InitStruct->ADC_DataAlign = ADC_DataAlign_Right;
+
+ /* Initialize the ADC_ScanDirection member */
+ ADC_InitStruct->ADC_ScanDirection = ADC_ScanDirection_Upward;
+}
+
+/**
+ * @brief Enables or disables the specified ADC peripheral.
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @param NewState: new state of the ADCx peripheral.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void ADC_Cmd(ADC_TypeDef* ADCx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Set the ADEN bit to Enable the ADC peripheral */
+ ADCx->CR |= (uint32_t)ADC_CR_ADEN;
+ }
+ else
+ {
+ /* Set the ADDIS to Disable the ADC peripheral */
+ ADCx->CR |= (uint32_t)ADC_CR_ADDIS;
+ }
+}
+
+/**
+ * @brief Configure the ADC to either be clocked by the asynchronous clock(which is
+ * independent, the dedicated 14MHz clock) or the synchronous clock derived from
+ * the APB clock of the ADC bus interface divided by 2 or 4
+ * @note This function can be called only when ADC is disabled.
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @param ADC_ClockMode: This parameter can be :
+ * @arg ADC_ClockMode_AsynClk: ADC clocked by the dedicated 14MHz clock
+ * @arg ADC_ClockMode_SynClkDiv2: ADC clocked by PCLK/2
+ * @arg ADC_ClockMode_SynClkDiv4: ADC clocked by PCLK/4
+ * @retval None
+ */
+void ADC_ClockModeConfig(ADC_TypeDef* ADCx, uint32_t ADC_ClockMode)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_ADC_CLOCKMODE(ADC_ClockMode));
+
+ /* Configure the ADC Clock mode according to ADC_ClockMode */
+ ADCx->CFGR2 = (uint32_t)ADC_ClockMode;
+
+}
+
+/**
+ * @brief Enables or disables the jitter when the ADC is clocked by PCLK div2
+ * or div4
+ * @note This function is obsolete and maintained for legacy purpose only. ADC_ClockModeConfig()
+ * function should be used instead.
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @param ADC_JitterOff: This parameter can be :
+ * @arg ADC_JitterOff_PCLKDiv2: Remove jitter when ADC is clocked by PLCK divided by 2
+ * @arg ADC_JitterOff_PCLKDiv4: Remove jitter when ADC is clocked by PLCK divided by 4
+ * @param NewState: new state of the ADCx jitter.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void ADC_JitterCmd(ADC_TypeDef* ADCx, uint32_t ADC_JitterOff, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_ADC_JITTEROFF(ADC_JitterOff));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Disable Jitter */
+ ADCx->CFGR2 |= (uint32_t)ADC_JitterOff;
+ }
+ else
+ {
+ /* Enable Jitter */
+ ADCx->CFGR2 &= (uint32_t)(~ADC_JitterOff);
+ }
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup ADC_Group2 Power saving functions
+ * @brief Power saving functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Power saving functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to reduce power consumption.
+ [..] The two function must be combined to get the maximal benefits:
+ When the ADC frequency is higher than the CPU one, it is recommended to
+ (#) Enable the Auto Delayed Conversion mode :
+ ==> using ADC_WaitModeCmd(ADC_TypeDef* ADCx, FunctionalState NewState);
+ (#) Enable the power off in Delay phases :
+ ==> using ADC_AutoPowerOffCmd(ADC_TypeDef* ADCx, FunctionalState NewState);
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the ADC Power Off.
+ * @note ADC power-on and power-off can be managed by hardware to cut the
+ * consumption when the ADC is not converting.
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @note The ADC can be powered down:
+ * - During the Auto delay phase: The ADC is powered on again at the end
+ * of the delay (until the previous data is read from the ADC data register).
+ * - During the ADC is waiting for a trigger event: The ADC is powered up
+ * at the next trigger event (when the conversion is started).
+ * @param NewState: new state of the ADCx power Off.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void ADC_AutoPowerOffCmd(ADC_TypeDef* ADCx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the ADC Automatic Power-Off */
+ ADCx->CFGR1 |= ADC_CFGR1_AUTOFF;
+ }
+ else
+ {
+ /* Disable the ADC Automatic Power-Off */
+ ADCx->CFGR1 &= (uint32_t)~ADC_CFGR1_AUTOFF;
+ }
+}
+
+/**
+ * @brief Enables or disables the Wait conversion mode.
+ * @note When the CPU clock is not fast enough to manage the data rate, a
+ * Hardware delay can be introduced between ADC conversions to reduce
+ * this data rate.
+ * @note The Hardware delay is inserted after each conversions and until the
+ * previous data is read from the ADC data register
+ * @note This is a way to automatically adapt the speed of the ADC to the speed
+ * of the system which will read the data.
+ * @note Any hardware triggers wich occur while a conversion is on going or
+ * while the automatic Delay is applied are ignored
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @param NewState: new state of the ADCx Auto-Delay.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void ADC_WaitModeCmd(ADC_TypeDef* ADCx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the ADC Automatic Delayed conversion */
+ ADCx->CFGR1 |= ADC_CFGR1_WAIT;
+ }
+ else
+ {
+ /* Disable the ADC Automatic Delayed conversion */
+ ADCx->CFGR1 &= (uint32_t)~ADC_CFGR1_WAIT;
+ }
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup ADC_Group3 Analog Watchdog configuration functions
+ * @brief Analog Watchdog configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Analog Watchdog configuration functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to configure the Analog Watchdog
+ (AWD) feature in the ADC.
+ [..] A typical configuration Analog Watchdog is done following these steps :
+ (#) the ADC guarded channel(s) is (are) selected using the
+ ADC_AnalogWatchdogSingleChannelConfig() function.
+ (#) The Analog watchdog lower and higher threshold are configured using the
+ ADC_AnalogWatchdogThresholdsConfig() function.
+ (#) The Analog watchdog is enabled and configured to enable the check, on one
+ or more channels, using the ADC_AnalogWatchdogCmd() function.
+ (#) Enable the analog watchdog on the selected channel using
+ ADC_AnalogWatchdogSingleChannelCmd() function
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the analog watchdog
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @param NewState: new state of the ADCx Analog Watchdog.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void ADC_AnalogWatchdogCmd(ADC_TypeDef* ADCx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the ADC Analog Watchdog */
+ ADCx->CFGR1 |= ADC_CFGR1_AWDEN;
+ }
+ else
+ {
+ /* Disable the ADC Analog Watchdog */
+ ADCx->CFGR1 &= (uint32_t)~ADC_CFGR1_AWDEN;
+ }
+}
+
+/**
+ * @brief Configures the high and low thresholds of the analog watchdog.
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @param HighThreshold: the ADC analog watchdog High threshold value.
+ * This parameter must be a 12bit value.
+ * @param LowThreshold: the ADC analog watchdog Low threshold value.
+ * This parameter must be a 12bit value.
+ * @retval None
+ */
+void ADC_AnalogWatchdogThresholdsConfig(ADC_TypeDef* ADCx, uint16_t HighThreshold,
+ uint16_t LowThreshold)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_ADC_THRESHOLD(HighThreshold));
+ assert_param(IS_ADC_THRESHOLD(LowThreshold));
+
+ /* Set the ADCx high and low threshold */
+ ADCx->TR = LowThreshold | ((uint32_t)HighThreshold << 16);
+
+}
+
+/**
+ * @brief Configures the analog watchdog guarded single channel
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @param ADC_AnalogWatchdog_Channel: the ADC channel to configure for the analog watchdog.
+ * This parameter can be one of the following values:
+ * @arg ADC_AnalogWatchdog_Channel_0: ADC Channel0 selected
+ * @arg ADC_AnalogWatchdog_Channel_1: ADC Channel1 selected
+ * @arg ADC_AnalogWatchdog_Channel_2: ADC Channel2 selected
+ * @arg ADC_AnalogWatchdog_Channel_3: ADC Channel3 selected
+ * @arg ADC_AnalogWatchdog_Channel_4: ADC Channel4 selected
+ * @arg ADC_AnalogWatchdog_Channel_5: ADC Channel5 selected
+ * @arg ADC_AnalogWatchdog_Channel_6: ADC Channel6 selected
+ * @arg ADC_AnalogWatchdog_Channel_7: ADC Channel7 selected
+ * @arg ADC_AnalogWatchdog_Channel_8: ADC Channel8 selected
+ * @arg ADC_AnalogWatchdog_Channel_9: ADC Channel9 selected
+ * @arg ADC_AnalogWatchdog_Channel_10: ADC Channel10 selected, not available for STM32F031 devices
+ * @arg ADC_AnalogWatchdog_Channel_11: ADC Channel11 selected, not available for STM32F031 devices
+ * @arg ADC_AnalogWatchdog_Channel_12: ADC Channel12 selected, not available for STM32F031 devices
+ * @arg ADC_AnalogWatchdog_Channel_13: ADC Channel13 selected, not available for STM32F031 devices
+ * @arg ADC_AnalogWatchdog_Channel_14: ADC Channel14 selected, not available for STM32F031 devices
+ * @arg ADC_AnalogWatchdog_Channel_15: ADC Channel15 selected, not available for STM32F031 devices
+ * @arg ADC_AnalogWatchdog_Channel_16: ADC Channel16 selected
+ * @arg ADC_AnalogWatchdog_Channel_17: ADC Channel17 selected
+ * @arg ADC_AnalogWatchdog_Channel_18: ADC Channel18 selected, not available for STM32F030 devices
+ * @note The channel selected on the AWDCH must be also set into the CHSELR
+ * register
+ * @retval None
+ */
+void ADC_AnalogWatchdogSingleChannelConfig(ADC_TypeDef* ADCx, uint32_t ADC_AnalogWatchdog_Channel)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_ADC_ANALOG_WATCHDOG_CHANNEL(ADC_AnalogWatchdog_Channel));
+
+ /* Get the old register value */
+ tmpreg = ADCx->CFGR1;
+
+ /* Clear the Analog watchdog channel select bits */
+ tmpreg &= ~ADC_CFGR1_AWDCH;
+
+ /* Set the Analog watchdog channel */
+ tmpreg |= ADC_AnalogWatchdog_Channel;
+
+ /* Store the new register value */
+ ADCx->CFGR1 = tmpreg;
+}
+
+/**
+ * @brief Enables or disables the ADC Analog Watchdog Single Channel.
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @param NewState: new state of the ADCx ADC Analog Watchdog Single Channel.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void ADC_AnalogWatchdogSingleChannelCmd(ADC_TypeDef* ADCx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the ADC Analog Watchdog Single Channel */
+ ADCx->CFGR1 |= ADC_CFGR1_AWDSGL;
+ }
+ else
+ {
+ /* Disable the ADC Analog Watchdog Single Channel */
+ ADCx->CFGR1 &= (uint32_t)~ADC_CFGR1_AWDSGL;
+ }
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup ADC_Group4 Temperature Sensor, Vrefint and Vbat management functions
+ * @brief Temperature Sensor, Vrefint and Vbat management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Temperature Sensor, Vrefint and Vbat management function #####
+ ===============================================================================
+ [..] This section provides a function allowing to enable/disable the internal
+ connections between the ADC and the Temperature Sensor, the Vrefint and
+ Vbat source.
+
+ [..] A typical configuration to get the Temperature sensor, Vrefint and Vbat channels
+ voltages is done following these steps :
+ (#) Enable the internal connection of Temperature sensor, Vrefint or Vbat sources
+ with the ADC channels using ADC_TempSensorCmd(), ADC_VrefintCmd() or ADC_VbatCmd()
+ functions.
+ (#) select the ADC_Channel_16(Temperature sensor), ADC_Channel_17(Vrefint)
+ or ADC_Channel_18(Voltage battery) using ADC_ChannelConfig() function
+ (#) Get the voltage values, using ADC_GetConversionValue() function
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the temperature sensor channel.
+ * @param NewState: new state of the temperature sensor input channel.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void ADC_TempSensorCmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the temperature sensor channel*/
+ ADC->CCR |= (uint32_t)ADC_CCR_TSEN;
+ }
+ else
+ {
+ /* Disable the temperature sensor channel*/
+ ADC->CCR &= (uint32_t)(~ADC_CCR_TSEN);
+ }
+}
+
+/**
+ * @brief Enables or disables the Vrefint channel.
+ * @param NewState: new state of the Vref input channel.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void ADC_VrefintCmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the Vrefint channel*/
+ ADC->CCR |= (uint32_t)ADC_CCR_VREFEN;
+ }
+ else
+ {
+ /* Disable the Vrefint channel*/
+ ADC->CCR &= (uint32_t)(~ADC_CCR_VREFEN);
+ }
+}
+
+/**
+ * @brief Enables or disables the Vbat channel.
+ * @note This feature is not applicable for STM32F030 devices.
+ * @param NewState: new state of the Vbat input channel.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void ADC_VbatCmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the Vbat channel*/
+ ADC->CCR |= (uint32_t)ADC_CCR_VBATEN;
+ }
+ else
+ {
+ /* Disable the Vbat channel*/
+ ADC->CCR &= (uint32_t)(~ADC_CCR_VBATEN);
+ }
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup ADC_Group5 Channels Configuration functions
+ * @brief Channels Configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Channels Configuration functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to manage the ADC channels,
+ it is composed of 3 sub sections :
+ (#) Configuration and management functions for ADC channels: This subsection
+ provides functions allowing to configure the ADC channels :
+ (++) Select the ADC channels
+ (++) Activate ADC Calibration
+ (++) Activate the Overrun Mode.
+ (++) Activate the Discontinuous Mode
+ (++) Activate the Continuous Mode.
+ (++) Configure the sampling time for each channel
+ (++) Select the conversion Trigger and Edge for ADC channels
+ (++) Select the scan direction.
+ -@@- Please Note that the following features for ADC channels are configurated
+ using the ADC_Init() function :
+ (+@@) Activate the Continuous Mode (can be also activated by ADC_OverrunModeCmd().
+ (+@@) Select the conversion Trigger and Edge for ADC channels
+ (+@@) Select the scan direction.
+ (#) Control the ADC peripheral : This subsection permits to command the ADC:
+ (++) Stop or discard an on-going conversion (ADSTP command)
+ (++) Start the ADC conversion .
+ (#) Get the conversion data: This subsection provides an important function in
+ the ADC peripheral since it returns the converted data of the current
+ ADC channel. When the Conversion value is read, the EOC Flag is
+ automatically cleared.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Configures for the selected ADC and its sampling time.
+ * @param ADCx: where x can be 1 to select the ADC peripheral.
+ * @param ADC_Channel: the ADC channel to configure.
+ * This parameter can be any combination of the following values:
+ * @arg ADC_Channel_0: ADC Channel0 selected
+ * @arg ADC_Channel_1: ADC Channel1 selected
+ * @arg ADC_Channel_2: ADC Channel2 selected
+ * @arg ADC_Channel_3: ADC Channel3 selected
+ * @arg ADC_Channel_4: ADC Channel4 selected
+ * @arg ADC_Channel_5: ADC Channel5 selected
+ * @arg ADC_Channel_6: ADC Channel6 selected
+ * @arg ADC_Channel_7: ADC Channel7 selected
+ * @arg ADC_Channel_8: ADC Channel8 selected
+ * @arg ADC_Channel_9: ADC Channel9 selected
+ * @arg ADC_Channel_10: ADC Channel10 selected, not available for STM32F031 devices
+ * @arg ADC_Channel_11: ADC Channel11 selected, not available for STM32F031 devices
+ * @arg ADC_Channel_12: ADC Channel12 selected, not available for STM32F031 devices
+ * @arg ADC_Channel_13: ADC Channel13 selected, not available for STM32F031 devices
+ * @arg ADC_Channel_14: ADC Channel14 selected, not available for STM32F031 devices
+ * @arg ADC_Channel_15: ADC Channel15 selected, not available for STM32F031 devices
+ * @arg ADC_Channel_16: ADC Channel16 selected
+ * @arg ADC_Channel_17: ADC Channel17 selected
+ * @arg ADC_Channel_18: ADC Channel18 selected, not available for STM32F030 devices
+ * @param ADC_SampleTime: The sample time value to be set for the selected channel.
+ * This parameter can be one of the following values:
+ * @arg ADC_SampleTime_1_5Cycles: Sample time equal to 1.5 cycles
+ * @arg ADC_SampleTime_7_5Cycles: Sample time equal to 7.5 cycles
+ * @arg ADC_SampleTime_13_5Cycles: Sample time equal to 13.5 cycles
+ * @arg ADC_SampleTime_28_5Cycles: Sample time equal to 28.5 cycles
+ * @arg ADC_SampleTime_41_5Cycles: Sample time equal to 41.5 cycles
+ * @arg ADC_SampleTime_55_5Cycles: Sample time equal to 55.5 cycles
+ * @arg ADC_SampleTime_71_5Cycles: Sample time equal to 71.5 cycles
+ * @arg ADC_SampleTime_239_5Cycles: Sample time equal to 239.5 cycles
+ * @retval None
+ */
+void ADC_ChannelConfig(ADC_TypeDef* ADCx, uint32_t ADC_Channel, uint32_t ADC_SampleTime)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_ADC_CHANNEL(ADC_Channel));
+ assert_param(IS_ADC_SAMPLE_TIME(ADC_SampleTime));
+
+ /* Configure the ADC Channel */
+ ADCx->CHSELR |= (uint32_t)ADC_Channel;
+
+ /* Clear the Sampling time Selection bits */
+ tmpreg &= ~ADC_SMPR1_SMPR;
+
+ /* Set the ADC Sampling Time register */
+ tmpreg |= (uint32_t)ADC_SampleTime;
+
+ /* Configure the ADC Sample time register */
+ ADCx->SMPR = tmpreg ;
+}
+
+/**
+ * @brief Enable the Continuous mode for the selected ADCx channels.
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @param NewState: new state of the Continuous mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @note It is not possible to have both discontinuous mode and continuous mode
+ * enabled. In this case (If DISCEN and CONT are Set), the ADC behaves
+ * as if continuous mode was disabled
+ * @retval None
+ */
+void ADC_ContinuousModeCmd(ADC_TypeDef* ADCx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the Continuous mode*/
+ ADCx->CFGR1 |= (uint32_t)ADC_CFGR1_CONT;
+ }
+ else
+ {
+ /* Disable the Continuous mode */
+ ADCx->CFGR1 &= (uint32_t)(~ADC_CFGR1_CONT);
+ }
+}
+
+/**
+ * @brief Enable the discontinuous mode for the selected ADC channels.
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @param NewState: new state of the discontinuous mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @note It is not possible to have both discontinuous mode and continuous mode
+ * enabled. In this case (If DISCEN and CONT are Set), the ADC behaves
+ * as if continuous mode was disabled
+ * @retval None
+ */
+void ADC_DiscModeCmd(ADC_TypeDef* ADCx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the Discontinuous mode */
+ ADCx->CFGR1 |= (uint32_t)ADC_CFGR1_DISCEN;
+ }
+ else
+ {
+ /* Disable the Discontinuous mode */
+ ADCx->CFGR1 &= (uint32_t)(~ADC_CFGR1_DISCEN);
+ }
+}
+
+/**
+ * @brief Enable the Overrun mode for the selected ADC channels.
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @param NewState: new state of the Overrun mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void ADC_OverrunModeCmd(ADC_TypeDef* ADCx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the Overrun mode */
+ ADCx->CFGR1 |= (uint32_t)ADC_CFGR1_OVRMOD;
+ }
+ else
+ {
+ /* Disable the Overrun mode */
+ ADCx->CFGR1 &= (uint32_t)(~ADC_CFGR1_OVRMOD);
+ }
+}
+
+/**
+ * @brief Active the Calibration operation for the selected ADC.
+ * @note The Calibration can be initiated only when ADC is still in the
+ * reset configuration (ADEN must be equal to 0).
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @retval ADC Calibration factor
+ */
+uint32_t ADC_GetCalibrationFactor(ADC_TypeDef* ADCx)
+{
+ uint32_t tmpreg = 0, calibrationcounter = 0, calibrationstatus = 0;
+
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+
+ /* Set the ADC calibartion */
+ ADCx->CR |= (uint32_t)ADC_CR_ADCAL;
+
+ /* Wait until no ADC calibration is completed */
+ do
+ {
+ calibrationstatus = ADCx->CR & ADC_CR_ADCAL;
+ calibrationcounter++;
+ } while((calibrationcounter != CALIBRATION_TIMEOUT) && (calibrationstatus != 0x00));
+
+ if((uint32_t)(ADCx->CR & ADC_CR_ADCAL) == RESET)
+ {
+ /*Get the calibration factor from the ADC data register */
+ tmpreg = ADCx->DR;
+ }
+ else
+ {
+ /* Error factor */
+ tmpreg = 0x00000000;
+ }
+ return tmpreg;
+}
+
+/**
+ * @brief Stop the on going conversions for the selected ADC.
+ * @note When ADSTP is set, any on going conversion is aborted, and the ADC
+ * data register is not updated with current conversion.
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @retval None
+ */
+void ADC_StopOfConversion(ADC_TypeDef* ADCx)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+
+ ADCx->CR |= (uint32_t)ADC_CR_ADSTP;
+}
+
+/**
+ * @brief Start Conversion for the selected ADC channels.
+ * @note In continuous mode, ADSTART is not cleared by hardware with the
+ * assertion of EOSEQ because the sequence is automatic relaunched
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @retval None
+ */
+void ADC_StartOfConversion(ADC_TypeDef* ADCx)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+
+ ADCx->CR |= (uint32_t)ADC_CR_ADSTART;
+}
+
+/**
+ * @brief Returns the last ADCx conversion result data for ADC channel.
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @retval The Data conversion value.
+ */
+uint16_t ADC_GetConversionValue(ADC_TypeDef* ADCx)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+
+ /* Return the selected ADC conversion value */
+ return (uint16_t) ADCx->DR;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup ADC_Group6 DMA Configuration functions
+ * @brief Regular Channels DMA Configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### DMA Configuration functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to configure the DMA for ADC hannels.
+ Since converted channel values are stored into a unique data register,
+ it is useful to use DMA for conversion of more than one channel. This
+ avoids the loss of the data already stored in the ADC Data register.
+ When the DMA mode is enabled (using the ADC_DMACmd() function), after each
+ conversion of a channel, a DMA request is generated.
+
+ [..] Depending on the "DMA disable selection" configuration (using the
+ ADC_DMARequestModeConfig() function), at the end of the last DMA
+ transfer, two possibilities are allowed:
+ (+) No new DMA request is issued to the DMA controller (One Shot Mode)
+ (+) Requests can continue to be generated (Circular Mode).
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the specified ADC DMA request.
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @param NewState: new state of the selected ADC DMA transfer.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void ADC_DMACmd(ADC_TypeDef* ADCx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected ADC DMA request */
+ ADCx->CFGR1 |= (uint32_t)ADC_CFGR1_DMAEN;
+ }
+ else
+ {
+ /* Disable the selected ADC DMA request */
+ ADCx->CFGR1 &= (uint32_t)(~ADC_CFGR1_DMAEN);
+ }
+}
+
+/**
+ * @brief Enables or disables the ADC DMA request after last transfer (Single-ADC mode)
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @param ADC_DMARequestMode: the ADC channel to configure.
+ * This parameter can be one of the following values:
+ * @arg ADC_DMAMode_OneShot: DMA One Shot Mode
+ * @arg ADC_DMAMode_Circular: DMA Circular Mode
+ * @retval None
+ */
+void ADC_DMARequestModeConfig(ADC_TypeDef* ADCx, uint32_t ADC_DMARequestMode)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+
+ ADCx->CFGR1 &= (uint32_t)~ADC_CFGR1_DMACFG;
+ ADCx->CFGR1 |= (uint32_t)ADC_DMARequestMode;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup ADC_Group7 Interrupts and flags management functions
+ * @brief Interrupts and flags management functions.
+ *
+@verbatim
+ ===============================================================================
+ ##### Interrupts and flags management functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to configure the ADC Interrupts
+ and get the status and clear flags and Interrupts pending bits.
+
+ [..] The ADC provide 6 Interrupts sources and 11 Flags which can be divided into
+ 3 groups:
+
+ *** Flags for ADC status ***
+ ======================================================
+ [..]
+ (+)Flags :
+ (##) ADC_FLAG_ADRDY : This flag is set after the ADC has been enabled (bit ADEN=1)
+ and when the ADC reaches a state where it is ready to accept conversion requests
+ (##) ADC_FLAG_ADEN : This flag is set by software to enable the ADC.
+ The ADC will be effectively ready to operate once the ADRDY flag has been set.
+ (##) ADC_FLAG_ADDIS : This flag is cleared once the ADC is effectively
+ disabled.
+ (##) ADC_FLAG_ADSTART : This flag is cleared after the execution of
+ ADC_StopOfConversion() function, at the same time as the ADSTP bit is
+ cleared by hardware
+ (##) ADC_FLAG_ADSTP : This flag is cleared by hardware when the conversion
+ is effectively discarded and the ADC is ready to accept a new start conversion
+ (##) ADC_FLAG_ADCAL : This flag is set once the calibration is complete.
+
+ (+)Interrupts
+ (##) ADC_IT_ADRDY : specifies the interrupt source for ADC ready event.
+
+ *** Flags and Interrupts for ADC channel conversion ***
+ =====================================================
+ [..]
+ (+)Flags :
+ (##) ADC_FLAG_EOC : This flag is set by hardware at the end of each conversion
+ of a channel when a new data result is available in the data register
+ (##) ADC_FLAG_EOSEQ : This bit is set by hardware at the end of the conversion
+ of a sequence of channels selected by ADC_ChannelConfig() function.
+ (##) ADC_FLAG_EOSMP : This bit is set by hardware at the end of the sampling phase.
+ (##) ADC_FLAG_OVR : This flag is set by hardware when an overrun occurs,
+ meaning that a new conversion has complete while the EOC flag was already set.
+
+ (+)Interrupts :
+ (##) ADC_IT_EOC : specifies the interrupt source for end of conversion event.
+ (##) ADC_IT_EOSEQ : specifies the interrupt source for end of sequence event.
+ (##) ADC_IT_EOSMP : specifies the interrupt source for end of sampling event.
+ (##) ADC_IT_OVR : specifies the interrupt source for Overrun detection
+ event.
+
+ *** Flags and Interrupts for the Analog Watchdog ***
+ ================================================
+ [..]
+ (+)Flags :
+ (##) ADC_FLAG_AWD: This flag is set by hardware when the converted
+ voltage crosses the values programmed thrsholds
+
+ (+)Interrupts :
+ (##) ADC_IT_AWD : specifies the interrupt source for Analog watchdog
+ event.
+
+ [..] The user should identify which mode will be used in his application to
+ manage the ADC controller events: Polling mode or Interrupt mode.
+
+ [..] In the Polling Mode it is advised to use the following functions:
+ (+) ADC_GetFlagStatus() : to check if flags events occur.
+ (+) ADC_ClearFlag() : to clear the flags events.
+
+ [..] In the Interrupt Mode it is advised to use the following functions:
+ (+) ADC_ITConfig() : to enable or disable the interrupt source.
+ (+) ADC_GetITStatus() : to check if Interrupt occurs.
+ (+) ADC_ClearITPendingBit() : to clear the Interrupt pending Bit
+ (corresponding Flag).
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the specified ADC interrupts.
+ * @param ADCx: where x can be 1 to select the ADC peripheral.
+ * @param ADC_IT: specifies the ADC interrupt sources to be enabled or disabled.
+ * This parameter can be one of the following values:
+ * @arg ADC_IT_ADRDY: ADC ready interrupt
+ * @arg ADC_IT_EOSMP: End of sampling interrupt
+ * @arg ADC_IT_EOC: End of conversion interrupt
+ * @arg ADC_IT_EOSEQ: End of sequence of conversion interrupt
+ * @arg ADC_IT_OVR: overrun interrupt
+ * @arg ADC_IT_AWD: Analog watchdog interrupt
+ * @param NewState: new state of the specified ADC interrupts.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void ADC_ITConfig(ADC_TypeDef* ADCx, uint32_t ADC_IT, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+ assert_param(IS_ADC_CONFIG_IT(ADC_IT));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected ADC interrupts */
+ ADCx->IER |= ADC_IT;
+ }
+ else
+ {
+ /* Disable the selected ADC interrupts */
+ ADCx->IER &= (~(uint32_t)ADC_IT);
+ }
+}
+
+/**
+ * @brief Checks whether the specified ADC flag is set or not.
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @param ADC_FLAG: specifies the flag to check.
+ * This parameter can be one of the following values:
+ * @arg ADC_FLAG_AWD: Analog watchdog flag
+ * @arg ADC_FLAG_OVR: Overrun flag
+ * @arg ADC_FLAG_EOSEQ: End of Sequence flag
+ * @arg ADC_FLAG_EOC: End of conversion flag
+ * @arg ADC_FLAG_EOSMP: End of sampling flag
+ * @arg ADC_FLAG_ADRDY: ADC Ready flag
+ * @arg ADC_FLAG_ADEN: ADC enable flag
+ * @arg ADC_FLAG_ADDIS: ADC disable flag
+ * @arg ADC_FLAG_ADSTART: ADC start flag
+ * @arg ADC_FLAG_ADSTP: ADC stop flag
+ * @arg ADC_FLAG_ADCAL: ADC Calibration flag
+ * @retval The new state of ADC_FLAG (SET or RESET).
+ */
+FlagStatus ADC_GetFlagStatus(ADC_TypeDef* ADCx, uint32_t ADC_FLAG)
+{
+ FlagStatus bitstatus = RESET;
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_ADC_GET_FLAG(ADC_FLAG));
+
+ if((uint32_t)(ADC_FLAG & 0x01000000))
+ {
+ tmpreg = ADCx->CR & 0xFEFFFFFF;
+ }
+ else
+ {
+ tmpreg = ADCx->ISR;
+ }
+
+ /* Check the status of the specified ADC flag */
+ if ((tmpreg & ADC_FLAG) != (uint32_t)RESET)
+ {
+ /* ADC_FLAG is set */
+ bitstatus = SET;
+ }
+ else
+ {
+ /* ADC_FLAG is reset */
+ bitstatus = RESET;
+ }
+ /* Return the ADC_FLAG status */
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the ADCx's pending flags.
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @param ADC_FLAG: specifies the flag to clear.
+ * This parameter can be any combination of the following values:
+ * @arg ADC_FLAG_AWD: Analog watchdog flag
+ * @arg ADC_FLAG_EOC: End of conversion flag
+ * @arg ADC_FLAG_ADRDY: ADC Ready flag
+ * @arg ADC_FLAG_EOSMP: End of sampling flag
+ * @arg ADC_FLAG_EOSEQ: End of Sequence flag
+ * @arg ADC_FLAG_OVR: Overrun flag
+ * @retval None
+ */
+void ADC_ClearFlag(ADC_TypeDef* ADCx, uint32_t ADC_FLAG)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_ADC_CLEAR_FLAG(ADC_FLAG));
+
+ /* Clear the selected ADC flags */
+ ADCx->ISR = (uint32_t)ADC_FLAG;
+}
+
+/**
+ * @brief Checks whether the specified ADC interrupt has occurred or not.
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral
+ * @param ADC_IT: specifies the ADC interrupt source to check.
+ * This parameter can be one of the following values:
+ * @arg ADC_IT_ADRDY: ADC ready interrupt
+ * @arg ADC_IT_EOSMP: End of sampling interrupt
+ * @arg ADC_IT_EOC: End of conversion interrupt
+ * @arg ADC_IT_EOSEQ: End of sequence of conversion interrupt
+ * @arg ADC_IT_OVR: overrun interrupt
+ * @arg ADC_IT_AWD: Analog watchdog interrupt
+ * @retval The new state of ADC_IT (SET or RESET).
+ */
+ITStatus ADC_GetITStatus(ADC_TypeDef* ADCx, uint32_t ADC_IT)
+{
+ ITStatus bitstatus = RESET;
+ uint32_t enablestatus = 0;
+
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_ADC_GET_IT(ADC_IT));
+
+ /* Get the ADC_IT enable bit status */
+ enablestatus = (uint32_t)(ADCx->IER & ADC_IT);
+
+ /* Check the status of the specified ADC interrupt */
+ if (((uint32_t)(ADCx->ISR & ADC_IT) != (uint32_t)RESET) && (enablestatus != (uint32_t)RESET))
+ {
+ /* ADC_IT is set */
+ bitstatus = SET;
+ }
+ else
+ {
+ /* ADC_IT is reset */
+ bitstatus = RESET;
+ }
+ /* Return the ADC_IT status */
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the ADCx's interrupt pending bits.
+ * @param ADCx: where x can be 1 to select the ADC1 peripheral.
+ * @param ADC_IT: specifies the ADC interrupt pending bit to clear.
+ * This parameter can be one of the following values:
+ * @arg ADC_IT_ADRDY: ADC ready interrupt
+ * @arg ADC_IT_EOSMP: End of sampling interrupt
+ * @arg ADC_IT_EOC: End of conversion interrupt
+ * @arg ADC_IT_EOSEQ: End of sequence of conversion interrupt
+ * @arg ADC_IT_OVR: overrun interrupt
+ * @arg ADC_IT_AWD: Analog watchdog interrupt
+ * @retval None
+ */
+void ADC_ClearITPendingBit(ADC_TypeDef* ADCx, uint32_t ADC_IT)
+{
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_PERIPH(ADCx));
+ assert_param(IS_ADC_CLEAR_IT(ADC_IT));
+
+ /* Clear the selected ADC interrupt pending bits */
+ ADCx->ISR = (uint32_t)ADC_IT;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_can.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_can.c
new file mode 100644
index 00000000..c051ab49
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_can.c
@@ -0,0 +1,1631 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_can.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the Controller area network (CAN) peripheral and
+ * applicable only for STM32F072 devices :
+ * + Initialization and Configuration
+ * + CAN Frames Transmission
+ * + CAN Frames Reception
+ * + Operation modes switch
+ * + Error management
+ * + Interrupts and flags
+ *
+ @verbatim
+
+ ===============================================================================
+ ##### How to use this driver #####
+ ===============================================================================
+ [..]
+ (#) Enable the CAN controller interface clock using
+ RCC_APB1PeriphClockCmd(RCC_APB1Periph_CAN, ENABLE);
+ (#) CAN pins configuration:
+ (++) Enable the clock for the CAN GPIOs using the following function:
+ RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOx, ENABLE);
+ (++) Connect the involved CAN pins to AF0 using the following function
+ GPIO_PinAFConfig(GPIOx, GPIO_PinSourcex, GPIO_AF_CANx);
+ (++) Configure these CAN pins in alternate function mode by calling
+ the function GPIO_Init();
+ (#) Initialise and configure the CAN using CAN_Init() and
+ CAN_FilterInit() functions.
+ (#) Transmit the desired CAN frame using CAN_Transmit() function.
+ (#) Check the transmission of a CAN frame using CAN_TransmitStatus() function.
+ (#) Cancel the transmission of a CAN frame using CAN_CancelTransmit() function.
+ (#) Receive a CAN frame using CAN_Recieve() function.
+ (#) Release the receive FIFOs using CAN_FIFORelease() function.
+ (#) Return the number of pending received frames using CAN_MessagePending() function.
+ (#) To control CAN events you can use one of the following two methods:
+ (++) Check on CAN flags using the CAN_GetFlagStatus() function.
+ (++) Use CAN interrupts through the function CAN_ITConfig() at initialization
+ phase and CAN_GetITStatus() function into interrupt routines to check
+ if the event has occurred or not.
+ After checking on a flag you should clear it using CAN_ClearFlag()
+ function. And after checking on an interrupt event you should clear it
+ using CAN_ClearITPendingBit() function.
+
+ @endverbatim
+ *
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_can.h"
+#include "stm32f0xx_rcc.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup CAN
+ * @brief CAN driver modules
+ * @{
+ */
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+
+/* CAN Master Control Register bits */
+#define MCR_DBF ((uint32_t)0x00010000) /* software master reset */
+
+/* CAN Mailbox Transmit Request */
+#define TMIDxR_TXRQ ((uint32_t)0x00000001) /* Transmit mailbox request */
+
+/* CAN Filter Master Register bits */
+#define FMR_FINIT ((uint32_t)0x00000001) /* Filter init mode */
+
+/* Time out for INAK bit */
+#define INAK_TIMEOUT ((uint32_t)0x00FFFFFF)
+/* Time out for SLAK bit */
+#define SLAK_TIMEOUT ((uint32_t)0x00FFFFFF)
+
+/* Flags in TSR register */
+#define CAN_FLAGS_TSR ((uint32_t)0x08000000)
+/* Flags in RF1R register */
+#define CAN_FLAGS_RF1R ((uint32_t)0x04000000)
+/* Flags in RF0R register */
+#define CAN_FLAGS_RF0R ((uint32_t)0x02000000)
+/* Flags in MSR register */
+#define CAN_FLAGS_MSR ((uint32_t)0x01000000)
+/* Flags in ESR register */
+#define CAN_FLAGS_ESR ((uint32_t)0x00F00000)
+
+/* Mailboxes definition */
+#define CAN_TXMAILBOX_0 ((uint8_t)0x00)
+#define CAN_TXMAILBOX_1 ((uint8_t)0x01)
+#define CAN_TXMAILBOX_2 ((uint8_t)0x02)
+
+#define CAN_MODE_MASK ((uint32_t) 0x00000003)
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+static ITStatus CheckITStatus(uint32_t CAN_Reg, uint32_t It_Bit);
+
+/** @defgroup CAN_Private_Functions
+ * @{
+ */
+
+/** @defgroup CAN_Group1 Initialization and Configuration functions
+ * @brief Initialization and Configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Initialization and Configuration functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to:
+ (+) Initialize the CAN peripherals : Prescaler, operating mode, the maximum
+ number of time quanta to perform resynchronization, the number of time
+ quanta in Bit Segment 1 and 2 and many other modes.
+ (+) Configure the CAN reception filter.
+ (+) Select the start bank filter for slave CAN.
+ (+) Enable or disable the Debug Freeze mode for CAN.
+ (+) Enable or disable the CAN Time Trigger Operation communication mode.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Deinitializes the CAN peripheral registers to their default reset values.
+ * @param CANx: where x can be 1 to select the CAN peripheral.
+ * @retval None.
+ */
+void CAN_DeInit(CAN_TypeDef* CANx)
+{
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+
+ /* Enable CAN reset state */
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_CAN, ENABLE);
+ /* Release CAN from reset state */
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_CAN, DISABLE);
+}
+
+/**
+ * @brief Initializes the CAN peripheral according to the specified
+ * parameters in the CAN_InitStruct.
+ * @param CANx: where x can be 1 to select the CAN peripheral.
+ * @param CAN_InitStruct: pointer to a CAN_InitTypeDef structure that contains
+ * the configuration information for the CAN peripheral.
+ * @retval Constant indicates initialization succeed which will be
+ * CAN_InitStatus_Failed or CAN_InitStatus_Success.
+ */
+uint8_t CAN_Init(CAN_TypeDef* CANx, CAN_InitTypeDef* CAN_InitStruct)
+{
+ uint8_t InitStatus = CAN_InitStatus_Failed;
+ uint32_t wait_ack = 0x00000000;
+
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+ assert_param(IS_FUNCTIONAL_STATE(CAN_InitStruct->CAN_TTCM));
+ assert_param(IS_FUNCTIONAL_STATE(CAN_InitStruct->CAN_ABOM));
+ assert_param(IS_FUNCTIONAL_STATE(CAN_InitStruct->CAN_AWUM));
+ assert_param(IS_FUNCTIONAL_STATE(CAN_InitStruct->CAN_NART));
+ assert_param(IS_FUNCTIONAL_STATE(CAN_InitStruct->CAN_RFLM));
+ assert_param(IS_FUNCTIONAL_STATE(CAN_InitStruct->CAN_TXFP));
+ assert_param(IS_CAN_MODE(CAN_InitStruct->CAN_Mode));
+ assert_param(IS_CAN_SJW(CAN_InitStruct->CAN_SJW));
+ assert_param(IS_CAN_BS1(CAN_InitStruct->CAN_BS1));
+ assert_param(IS_CAN_BS2(CAN_InitStruct->CAN_BS2));
+ assert_param(IS_CAN_PRESCALER(CAN_InitStruct->CAN_Prescaler));
+
+ /* Exit from sleep mode */
+ CANx->MCR &= (~(uint32_t)CAN_MCR_SLEEP);
+
+ /* Request initialisation */
+ CANx->MCR |= CAN_MCR_INRQ ;
+
+ /* Wait the acknowledge */
+ while (((CANx->MSR & CAN_MSR_INAK) != CAN_MSR_INAK) && (wait_ack != INAK_TIMEOUT))
+ {
+ wait_ack++;
+ }
+
+ /* Check acknowledge */
+ if ((CANx->MSR & CAN_MSR_INAK) != CAN_MSR_INAK)
+ {
+ InitStatus = CAN_InitStatus_Failed;
+ }
+ else
+ {
+ /* Set the time triggered communication mode */
+ if (CAN_InitStruct->CAN_TTCM == ENABLE)
+ {
+ CANx->MCR |= CAN_MCR_TTCM;
+ }
+ else
+ {
+ CANx->MCR &= ~(uint32_t)CAN_MCR_TTCM;
+ }
+
+ /* Set the automatic bus-off management */
+ if (CAN_InitStruct->CAN_ABOM == ENABLE)
+ {
+ CANx->MCR |= CAN_MCR_ABOM;
+ }
+ else
+ {
+ CANx->MCR &= ~(uint32_t)CAN_MCR_ABOM;
+ }
+
+ /* Set the automatic wake-up mode */
+ if (CAN_InitStruct->CAN_AWUM == ENABLE)
+ {
+ CANx->MCR |= CAN_MCR_AWUM;
+ }
+ else
+ {
+ CANx->MCR &= ~(uint32_t)CAN_MCR_AWUM;
+ }
+
+ /* Set the no automatic retransmission */
+ if (CAN_InitStruct->CAN_NART == ENABLE)
+ {
+ CANx->MCR |= CAN_MCR_NART;
+ }
+ else
+ {
+ CANx->MCR &= ~(uint32_t)CAN_MCR_NART;
+ }
+
+ /* Set the receive FIFO locked mode */
+ if (CAN_InitStruct->CAN_RFLM == ENABLE)
+ {
+ CANx->MCR |= CAN_MCR_RFLM;
+ }
+ else
+ {
+ CANx->MCR &= ~(uint32_t)CAN_MCR_RFLM;
+ }
+
+ /* Set the transmit FIFO priority */
+ if (CAN_InitStruct->CAN_TXFP == ENABLE)
+ {
+ CANx->MCR |= CAN_MCR_TXFP;
+ }
+ else
+ {
+ CANx->MCR &= ~(uint32_t)CAN_MCR_TXFP;
+ }
+
+ /* Set the bit timing register */
+ CANx->BTR = (uint32_t)((uint32_t)CAN_InitStruct->CAN_Mode << 30) | \
+ ((uint32_t)CAN_InitStruct->CAN_SJW << 24) | \
+ ((uint32_t)CAN_InitStruct->CAN_BS1 << 16) | \
+ ((uint32_t)CAN_InitStruct->CAN_BS2 << 20) | \
+ ((uint32_t)CAN_InitStruct->CAN_Prescaler - 1);
+
+ /* Request leave initialisation */
+ CANx->MCR &= ~(uint32_t)CAN_MCR_INRQ;
+
+ /* Wait the acknowledge */
+ wait_ack = 0;
+
+ while (((CANx->MSR & CAN_MSR_INAK) == (uint16_t)CAN_MSR_INAK) && (wait_ack != INAK_TIMEOUT))
+ {
+ wait_ack++;
+ }
+
+ /* ...and check acknowledged */
+ if ((CANx->MSR & CAN_MSR_INAK) == CAN_MSR_INAK)
+ {
+ InitStatus = CAN_InitStatus_Failed;
+ }
+ else
+ {
+ InitStatus = CAN_InitStatus_Success ;
+ }
+ }
+
+ /* At this step, return the status of initialization */
+ return InitStatus;
+}
+
+/**
+ * @brief Configures the CAN reception filter according to the specified
+ * parameters in the CAN_FilterInitStruct.
+ * @param CAN_FilterInitStruct: pointer to a CAN_FilterInitTypeDef structure that
+ * contains the configuration information.
+ * @retval None
+ */
+void CAN_FilterInit(CAN_FilterInitTypeDef* CAN_FilterInitStruct)
+{
+ uint32_t filter_number_bit_pos = 0;
+ /* Check the parameters */
+ assert_param(IS_CAN_FILTER_NUMBER(CAN_FilterInitStruct->CAN_FilterNumber));
+ assert_param(IS_CAN_FILTER_MODE(CAN_FilterInitStruct->CAN_FilterMode));
+ assert_param(IS_CAN_FILTER_SCALE(CAN_FilterInitStruct->CAN_FilterScale));
+ assert_param(IS_CAN_FILTER_FIFO(CAN_FilterInitStruct->CAN_FilterFIFOAssignment));
+ assert_param(IS_FUNCTIONAL_STATE(CAN_FilterInitStruct->CAN_FilterActivation));
+
+ filter_number_bit_pos = ((uint32_t)1) << CAN_FilterInitStruct->CAN_FilterNumber;
+
+ /* Initialisation mode for the filter */
+ CAN->FMR |= FMR_FINIT;
+
+ /* Filter Deactivation */
+ CAN->FA1R &= ~(uint32_t)filter_number_bit_pos;
+
+ /* Filter Scale */
+ if (CAN_FilterInitStruct->CAN_FilterScale == CAN_FilterScale_16bit)
+ {
+ /* 16-bit scale for the filter */
+ CAN->FS1R &= ~(uint32_t)filter_number_bit_pos;
+
+ /* First 16-bit identifier and First 16-bit mask */
+ /* Or First 16-bit identifier and Second 16-bit identifier */
+ CAN->sFilterRegister[CAN_FilterInitStruct->CAN_FilterNumber].FR1 =
+ ((0x0000FFFF & (uint32_t)CAN_FilterInitStruct->CAN_FilterMaskIdLow) << 16) |
+ (0x0000FFFF & (uint32_t)CAN_FilterInitStruct->CAN_FilterIdLow);
+
+ /* Second 16-bit identifier and Second 16-bit mask */
+ /* Or Third 16-bit identifier and Fourth 16-bit identifier */
+ CAN->sFilterRegister[CAN_FilterInitStruct->CAN_FilterNumber].FR2 =
+ ((0x0000FFFF & (uint32_t)CAN_FilterInitStruct->CAN_FilterMaskIdHigh) << 16) |
+ (0x0000FFFF & (uint32_t)CAN_FilterInitStruct->CAN_FilterIdHigh);
+ }
+
+ if (CAN_FilterInitStruct->CAN_FilterScale == CAN_FilterScale_32bit)
+ {
+ /* 32-bit scale for the filter */
+ CAN->FS1R |= filter_number_bit_pos;
+ /* 32-bit identifier or First 32-bit identifier */
+ CAN->sFilterRegister[CAN_FilterInitStruct->CAN_FilterNumber].FR1 =
+ ((0x0000FFFF & (uint32_t)CAN_FilterInitStruct->CAN_FilterIdHigh) << 16) |
+ (0x0000FFFF & (uint32_t)CAN_FilterInitStruct->CAN_FilterIdLow);
+ /* 32-bit mask or Second 32-bit identifier */
+ CAN->sFilterRegister[CAN_FilterInitStruct->CAN_FilterNumber].FR2 =
+ ((0x0000FFFF & (uint32_t)CAN_FilterInitStruct->CAN_FilterMaskIdHigh) << 16) |
+ (0x0000FFFF & (uint32_t)CAN_FilterInitStruct->CAN_FilterMaskIdLow);
+ }
+
+ /* Filter Mode */
+ if (CAN_FilterInitStruct->CAN_FilterMode == CAN_FilterMode_IdMask)
+ {
+ /*Id/Mask mode for the filter*/
+ CAN->FM1R &= ~(uint32_t)filter_number_bit_pos;
+ }
+ else /* CAN_FilterInitStruct->CAN_FilterMode == CAN_FilterMode_IdList */
+ {
+ /*Identifier list mode for the filter*/
+ CAN->FM1R |= (uint32_t)filter_number_bit_pos;
+ }
+
+ /* Filter FIFO assignment */
+ if (CAN_FilterInitStruct->CAN_FilterFIFOAssignment == CAN_Filter_FIFO0)
+ {
+ /* FIFO 0 assignation for the filter */
+ CAN->FFA1R &= ~(uint32_t)filter_number_bit_pos;
+ }
+
+ if (CAN_FilterInitStruct->CAN_FilterFIFOAssignment == CAN_Filter_FIFO1)
+ {
+ /* FIFO 1 assignation for the filter */
+ CAN->FFA1R |= (uint32_t)filter_number_bit_pos;
+ }
+
+ /* Filter activation */
+ if (CAN_FilterInitStruct->CAN_FilterActivation == ENABLE)
+ {
+ CAN->FA1R |= filter_number_bit_pos;
+ }
+
+ /* Leave the initialisation mode for the filter */
+ CAN->FMR &= ~FMR_FINIT;
+}
+
+/**
+ * @brief Fills each CAN_InitStruct member with its default value.
+ * @param CAN_InitStruct: pointer to a CAN_InitTypeDef structure which ill be initialized.
+ * @retval None
+ */
+void CAN_StructInit(CAN_InitTypeDef* CAN_InitStruct)
+{
+ /* Reset CAN init structure parameters values */
+
+ /* Initialize the time triggered communication mode */
+ CAN_InitStruct->CAN_TTCM = DISABLE;
+
+ /* Initialize the automatic bus-off management */
+ CAN_InitStruct->CAN_ABOM = DISABLE;
+
+ /* Initialize the automatic wake-up mode */
+ CAN_InitStruct->CAN_AWUM = DISABLE;
+
+ /* Initialize the no automatic retransmission */
+ CAN_InitStruct->CAN_NART = DISABLE;
+
+ /* Initialize the receive FIFO locked mode */
+ CAN_InitStruct->CAN_RFLM = DISABLE;
+
+ /* Initialize the transmit FIFO priority */
+ CAN_InitStruct->CAN_TXFP = DISABLE;
+
+ /* Initialize the CAN_Mode member */
+ CAN_InitStruct->CAN_Mode = CAN_Mode_Normal;
+
+ /* Initialize the CAN_SJW member */
+ CAN_InitStruct->CAN_SJW = CAN_SJW_1tq;
+
+ /* Initialize the CAN_BS1 member */
+ CAN_InitStruct->CAN_BS1 = CAN_BS1_4tq;
+
+ /* Initialize the CAN_BS2 member */
+ CAN_InitStruct->CAN_BS2 = CAN_BS2_3tq;
+
+ /* Initialize the CAN_Prescaler member */
+ CAN_InitStruct->CAN_Prescaler = 1;
+}
+
+/**
+ * @brief Select the start bank filter for slave CAN.
+ * @param CAN_BankNumber: Select the start slave bank filter from 1..27.
+ * @retval None
+ */
+void CAN_SlaveStartBank(uint8_t CAN_BankNumber)
+{
+ /* Check the parameters */
+ assert_param(IS_CAN_BANKNUMBER(CAN_BankNumber));
+
+ /* Enter Initialisation mode for the filter */
+ CAN->FMR |= FMR_FINIT;
+
+ /* Select the start slave bank */
+ CAN->FMR &= (uint32_t)0xFFFFC0F1 ;
+ CAN->FMR |= (uint32_t)(CAN_BankNumber)<<8;
+
+ /* Leave Initialisation mode for the filter */
+ CAN->FMR &= ~FMR_FINIT;
+}
+
+/**
+ * @brief Enables or disables the DBG Freeze for CAN.
+ * @param CANx: where x can be 1 or 2 to to select the CAN peripheral.
+ * @param NewState: new state of the CAN peripheral.
+ * This parameter can be: ENABLE (CAN reception/transmission is frozen
+ * during debug. Reception FIFOs can still be accessed/controlled normally)
+ * or DISABLE (CAN is working during debug).
+ * @retval None
+ */
+void CAN_DBGFreeze(CAN_TypeDef* CANx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable Debug Freeze */
+ CANx->MCR |= MCR_DBF;
+ }
+ else
+ {
+ /* Disable Debug Freeze */
+ CANx->MCR &= ~MCR_DBF;
+ }
+}
+
+/**
+ * @brief Enables or disables the CAN Time TriggerOperation communication mode.
+ * @note DLC must be programmed as 8 in order Time Stamp (2 bytes) to be
+ * sent over the CAN bus.
+ * @param CANx: where x can be 1 or 2 to to select the CAN peripheral.
+ * @param NewState: Mode new state. This parameter can be: ENABLE or DISABLE.
+ * When enabled, Time stamp (TIME[15:0]) value is sent in the last two
+ * data bytes of the 8-byte message: TIME[7:0] in data byte 6 and TIME[15:8]
+ * in data byte 7.
+ * @retval None
+ */
+void CAN_TTComModeCmd(CAN_TypeDef* CANx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+ if (NewState != DISABLE)
+ {
+ /* Enable the TTCM mode */
+ CANx->MCR |= CAN_MCR_TTCM;
+
+ /* Set TGT bits */
+ CANx->sTxMailBox[0].TDTR |= ((uint32_t)CAN_TDT0R_TGT);
+ CANx->sTxMailBox[1].TDTR |= ((uint32_t)CAN_TDT1R_TGT);
+ CANx->sTxMailBox[2].TDTR |= ((uint32_t)CAN_TDT2R_TGT);
+ }
+ else
+ {
+ /* Disable the TTCM mode */
+ CANx->MCR &= (uint32_t)(~(uint32_t)CAN_MCR_TTCM);
+
+ /* Reset TGT bits */
+ CANx->sTxMailBox[0].TDTR &= ((uint32_t)~CAN_TDT0R_TGT);
+ CANx->sTxMailBox[1].TDTR &= ((uint32_t)~CAN_TDT1R_TGT);
+ CANx->sTxMailBox[2].TDTR &= ((uint32_t)~CAN_TDT2R_TGT);
+ }
+}
+/**
+ * @}
+ */
+
+
+/** @defgroup CAN_Group2 CAN Frames Transmission functions
+ * @brief CAN Frames Transmission functions
+ *
+@verbatim
+ ===============================================================================
+ ##### CAN Frames Transmission functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to
+ (+) Initiate and transmit a CAN frame message (if there is an empty mailbox).
+ (+) Check the transmission status of a CAN Frame.
+ (+) Cancel a transmit request.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Initiates and transmits a CAN frame message.
+ * @param CANx: where x can be 1 or 2 to to select the CAN peripheral.
+ * @param TxMessage: pointer to a structure which contains CAN Id, CAN DLC and CAN data.
+ * @retval The number of the mailbox that is used for transmission or
+ * CAN_TxStatus_NoMailBox if there is no empty mailbox.
+ */
+uint8_t CAN_Transmit(CAN_TypeDef* CANx, CanTxMsg* TxMessage)
+{
+ uint8_t transmit_mailbox = 0;
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+ assert_param(IS_CAN_IDTYPE(TxMessage->IDE));
+ assert_param(IS_CAN_RTR(TxMessage->RTR));
+ assert_param(IS_CAN_DLC(TxMessage->DLC));
+
+ /* Select one empty transmit mailbox */
+ if ((CANx->TSR&CAN_TSR_TME0) == CAN_TSR_TME0)
+ {
+ transmit_mailbox = 0;
+ }
+ else if ((CANx->TSR&CAN_TSR_TME1) == CAN_TSR_TME1)
+ {
+ transmit_mailbox = 1;
+ }
+ else if ((CANx->TSR&CAN_TSR_TME2) == CAN_TSR_TME2)
+ {
+ transmit_mailbox = 2;
+ }
+ else
+ {
+ transmit_mailbox = CAN_TxStatus_NoMailBox;
+ }
+
+ if (transmit_mailbox != CAN_TxStatus_NoMailBox)
+ {
+ /* Set up the Id */
+ CANx->sTxMailBox[transmit_mailbox].TIR &= TMIDxR_TXRQ;
+ if (TxMessage->IDE == CAN_Id_Standard)
+ {
+ assert_param(IS_CAN_STDID(TxMessage->StdId));
+ CANx->sTxMailBox[transmit_mailbox].TIR |= ((TxMessage->StdId << 21) | \
+ TxMessage->RTR);
+ }
+ else
+ {
+ assert_param(IS_CAN_EXTID(TxMessage->ExtId));
+ CANx->sTxMailBox[transmit_mailbox].TIR |= ((TxMessage->ExtId << 3) | \
+ TxMessage->IDE | \
+ TxMessage->RTR);
+ }
+
+ /* Set up the DLC */
+ TxMessage->DLC &= (uint8_t)0x0000000F;
+ CANx->sTxMailBox[transmit_mailbox].TDTR &= (uint32_t)0xFFFFFFF0;
+ CANx->sTxMailBox[transmit_mailbox].TDTR |= TxMessage->DLC;
+
+ /* Set up the data field */
+ CANx->sTxMailBox[transmit_mailbox].TDLR = (((uint32_t)TxMessage->Data[3] << 24) |
+ ((uint32_t)TxMessage->Data[2] << 16) |
+ ((uint32_t)TxMessage->Data[1] << 8) |
+ ((uint32_t)TxMessage->Data[0]));
+ CANx->sTxMailBox[transmit_mailbox].TDHR = (((uint32_t)TxMessage->Data[7] << 24) |
+ ((uint32_t)TxMessage->Data[6] << 16) |
+ ((uint32_t)TxMessage->Data[5] << 8) |
+ ((uint32_t)TxMessage->Data[4]));
+ /* Request transmission */
+ CANx->sTxMailBox[transmit_mailbox].TIR |= TMIDxR_TXRQ;
+ }
+ return transmit_mailbox;
+}
+
+/**
+ * @brief Checks the transmission status of a CAN Frame.
+ * @param CANx: where x can be 1 to select the CAN peripheral.
+ * @param TransmitMailbox: the number of the mailbox that is used for transmission.
+ * @retval CAN_TxStatus_Ok if the CAN driver transmits the message,
+ * CAN_TxStatus_Failed in an other case.
+ */
+uint8_t CAN_TransmitStatus(CAN_TypeDef* CANx, uint8_t TransmitMailbox)
+{
+ uint32_t state = 0;
+
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+ assert_param(IS_CAN_TRANSMITMAILBOX(TransmitMailbox));
+
+ switch (TransmitMailbox)
+ {
+ case (CAN_TXMAILBOX_0):
+ state = CANx->TSR & (CAN_TSR_RQCP0 | CAN_TSR_TXOK0 | CAN_TSR_TME0);
+ break;
+ case (CAN_TXMAILBOX_1):
+ state = CANx->TSR & (CAN_TSR_RQCP1 | CAN_TSR_TXOK1 | CAN_TSR_TME1);
+ break;
+ case (CAN_TXMAILBOX_2):
+ state = CANx->TSR & (CAN_TSR_RQCP2 | CAN_TSR_TXOK2 | CAN_TSR_TME2);
+ break;
+ default:
+ state = CAN_TxStatus_Failed;
+ break;
+ }
+ switch (state)
+ {
+ /* transmit pending */
+ case (0x0): state = CAN_TxStatus_Pending;
+ break;
+ /* transmit failed */
+ case (CAN_TSR_RQCP0 | CAN_TSR_TME0): state = CAN_TxStatus_Failed;
+ break;
+ case (CAN_TSR_RQCP1 | CAN_TSR_TME1): state = CAN_TxStatus_Failed;
+ break;
+ case (CAN_TSR_RQCP2 | CAN_TSR_TME2): state = CAN_TxStatus_Failed;
+ break;
+ /* transmit succeeded */
+ case (CAN_TSR_RQCP0 | CAN_TSR_TXOK0 | CAN_TSR_TME0):state = CAN_TxStatus_Ok;
+ break;
+ case (CAN_TSR_RQCP1 | CAN_TSR_TXOK1 | CAN_TSR_TME1):state = CAN_TxStatus_Ok;
+ break;
+ case (CAN_TSR_RQCP2 | CAN_TSR_TXOK2 | CAN_TSR_TME2):state = CAN_TxStatus_Ok;
+ break;
+ default: state = CAN_TxStatus_Failed;
+ break;
+ }
+ return (uint8_t) state;
+}
+
+/**
+ * @brief Cancels a transmit request.
+ * @param CANx: where x can be 1 to select the CAN peripheral.
+ * @param Mailbox: Mailbox number.
+ * @retval None
+ */
+void CAN_CancelTransmit(CAN_TypeDef* CANx, uint8_t Mailbox)
+{
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+ assert_param(IS_CAN_TRANSMITMAILBOX(Mailbox));
+ /* abort transmission */
+ switch (Mailbox)
+ {
+ case (CAN_TXMAILBOX_0): CANx->TSR |= CAN_TSR_ABRQ0;
+ break;
+ case (CAN_TXMAILBOX_1): CANx->TSR |= CAN_TSR_ABRQ1;
+ break;
+ case (CAN_TXMAILBOX_2): CANx->TSR |= CAN_TSR_ABRQ2;
+ break;
+ default:
+ break;
+ }
+}
+/**
+ * @}
+ */
+
+
+/** @defgroup CAN_Group3 CAN Frames Reception functions
+ * @brief CAN Frames Reception functions
+ *
+@verbatim
+ ===============================================================================
+ ##### CAN Frames Reception functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to
+ (+) Receive a correct CAN frame.
+ (+) Release a specified receive FIFO (2 FIFOs are available).
+ (+) Return the number of the pending received CAN frames.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Receives a correct CAN frame.
+ * @param CANx: where x can be 1 to select the CAN peripheral.
+ * @param FIFONumber: Receive FIFO number, CAN_FIFO0 or CAN_FIFO1.
+ * @param RxMessage: pointer to a structure receive frame which contains CAN Id,
+ * CAN DLC, CAN data and FMI number.
+ * @retval None
+ */
+void CAN_Receive(CAN_TypeDef* CANx, uint8_t FIFONumber, CanRxMsg* RxMessage)
+{
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+ assert_param(IS_CAN_FIFO(FIFONumber));
+ /* Get the Id */
+ RxMessage->IDE = (uint8_t)0x04 & CANx->sFIFOMailBox[FIFONumber].RIR;
+ if (RxMessage->IDE == CAN_Id_Standard)
+ {
+ RxMessage->StdId = (uint32_t)0x000007FF & (CANx->sFIFOMailBox[FIFONumber].RIR >> 21);
+ }
+ else
+ {
+ RxMessage->ExtId = (uint32_t)0x1FFFFFFF & (CANx->sFIFOMailBox[FIFONumber].RIR >> 3);
+ }
+
+ RxMessage->RTR = (uint8_t)0x02 & CANx->sFIFOMailBox[FIFONumber].RIR;
+ /* Get the DLC */
+ RxMessage->DLC = (uint8_t)0x0F & CANx->sFIFOMailBox[FIFONumber].RDTR;
+ /* Get the FMI */
+ RxMessage->FMI = (uint8_t)0xFF & (CANx->sFIFOMailBox[FIFONumber].RDTR >> 8);
+ /* Get the data field */
+ RxMessage->Data[0] = (uint8_t)0xFF & CANx->sFIFOMailBox[FIFONumber].RDLR;
+ RxMessage->Data[1] = (uint8_t)0xFF & (CANx->sFIFOMailBox[FIFONumber].RDLR >> 8);
+ RxMessage->Data[2] = (uint8_t)0xFF & (CANx->sFIFOMailBox[FIFONumber].RDLR >> 16);
+ RxMessage->Data[3] = (uint8_t)0xFF & (CANx->sFIFOMailBox[FIFONumber].RDLR >> 24);
+ RxMessage->Data[4] = (uint8_t)0xFF & CANx->sFIFOMailBox[FIFONumber].RDHR;
+ RxMessage->Data[5] = (uint8_t)0xFF & (CANx->sFIFOMailBox[FIFONumber].RDHR >> 8);
+ RxMessage->Data[6] = (uint8_t)0xFF & (CANx->sFIFOMailBox[FIFONumber].RDHR >> 16);
+ RxMessage->Data[7] = (uint8_t)0xFF & (CANx->sFIFOMailBox[FIFONumber].RDHR >> 24);
+ /* Release the FIFO */
+ /* Release FIFO0 */
+ if (FIFONumber == CAN_FIFO0)
+ {
+ CANx->RF0R |= CAN_RF0R_RFOM0;
+ }
+ /* Release FIFO1 */
+ else /* FIFONumber == CAN_FIFO1 */
+ {
+ CANx->RF1R |= CAN_RF1R_RFOM1;
+ }
+}
+
+/**
+ * @brief Releases the specified receive FIFO.
+ * @param CANx: where x can be 1 to select the CAN peripheral.
+ * @param FIFONumber: FIFO to release, CAN_FIFO0 or CAN_FIFO1.
+ * @retval None
+ */
+void CAN_FIFORelease(CAN_TypeDef* CANx, uint8_t FIFONumber)
+{
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+ assert_param(IS_CAN_FIFO(FIFONumber));
+ /* Release FIFO0 */
+ if (FIFONumber == CAN_FIFO0)
+ {
+ CANx->RF0R |= CAN_RF0R_RFOM0;
+ }
+ /* Release FIFO1 */
+ else /* FIFONumber == CAN_FIFO1 */
+ {
+ CANx->RF1R |= CAN_RF1R_RFOM1;
+ }
+}
+
+/**
+ * @brief Returns the number of pending received messages.
+ * @param CANx: where x can be 1 to select the CAN peripheral.
+ * @param FIFONumber: Receive FIFO number, CAN_FIFO0 or CAN_FIFO1.
+ * @retval NbMessage : which is the number of pending message.
+ */
+uint8_t CAN_MessagePending(CAN_TypeDef* CANx, uint8_t FIFONumber)
+{
+ uint8_t message_pending=0;
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+ assert_param(IS_CAN_FIFO(FIFONumber));
+ if (FIFONumber == CAN_FIFO0)
+ {
+ message_pending = (uint8_t)(CANx->RF0R&(uint32_t)0x03);
+ }
+ else if (FIFONumber == CAN_FIFO1)
+ {
+ message_pending = (uint8_t)(CANx->RF1R&(uint32_t)0x03);
+ }
+ else
+ {
+ message_pending = 0;
+ }
+ return message_pending;
+}
+/**
+ * @}
+ */
+
+
+/** @defgroup CAN_Group4 CAN Operation modes functions
+ * @brief CAN Operation modes functions
+ *
+@verbatim
+ ===============================================================================
+ ##### CAN Operation modes functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to select the CAN Operation modes:
+ (+) sleep mode.
+ (+) normal mode.
+ (+) initialization mode.
+
+@endverbatim
+ * @{
+ */
+
+
+/**
+ * @brief Selects the CAN Operation mode.
+ * @param CAN_OperatingMode: CAN Operating Mode.
+ * This parameter can be one of @ref CAN_OperatingMode_TypeDef enumeration.
+ * @retval status of the requested mode which can be:
+ * - CAN_ModeStatus_Failed: CAN failed entering the specific mode
+ * - CAN_ModeStatus_Success: CAN Succeed entering the specific mode
+ */
+uint8_t CAN_OperatingModeRequest(CAN_TypeDef* CANx, uint8_t CAN_OperatingMode)
+{
+ uint8_t status = CAN_ModeStatus_Failed;
+
+ /* Timeout for INAK or also for SLAK bits*/
+ uint32_t timeout = INAK_TIMEOUT;
+
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+ assert_param(IS_CAN_OPERATING_MODE(CAN_OperatingMode));
+
+ if (CAN_OperatingMode == CAN_OperatingMode_Initialization)
+ {
+ /* Request initialisation */
+ CANx->MCR = (uint32_t)((CANx->MCR & (uint32_t)(~(uint32_t)CAN_MCR_SLEEP)) | CAN_MCR_INRQ);
+
+ /* Wait the acknowledge */
+ while (((CANx->MSR & CAN_MODE_MASK) != CAN_MSR_INAK) && (timeout != 0))
+ {
+ timeout--;
+ }
+ if ((CANx->MSR & CAN_MODE_MASK) != CAN_MSR_INAK)
+ {
+ status = CAN_ModeStatus_Failed;
+ }
+ else
+ {
+ status = CAN_ModeStatus_Success;
+ }
+ }
+ else if (CAN_OperatingMode == CAN_OperatingMode_Normal)
+ {
+ /* Request leave initialisation and sleep mode and enter Normal mode */
+ CANx->MCR &= (uint32_t)(~(CAN_MCR_SLEEP|CAN_MCR_INRQ));
+
+ /* Wait the acknowledge */
+ while (((CANx->MSR & CAN_MODE_MASK) != 0) && (timeout!=0))
+ {
+ timeout--;
+ }
+ if ((CANx->MSR & CAN_MODE_MASK) != 0)
+ {
+ status = CAN_ModeStatus_Failed;
+ }
+ else
+ {
+ status = CAN_ModeStatus_Success;
+ }
+ }
+ else if (CAN_OperatingMode == CAN_OperatingMode_Sleep)
+ {
+ /* Request Sleep mode */
+ CANx->MCR = (uint32_t)((CANx->MCR & (uint32_t)(~(uint32_t)CAN_MCR_INRQ)) | CAN_MCR_SLEEP);
+
+ /* Wait the acknowledge */
+ while (((CANx->MSR & CAN_MODE_MASK) != CAN_MSR_SLAK) && (timeout!=0))
+ {
+ timeout--;
+ }
+ if ((CANx->MSR & CAN_MODE_MASK) != CAN_MSR_SLAK)
+ {
+ status = CAN_ModeStatus_Failed;
+ }
+ else
+ {
+ status = CAN_ModeStatus_Success;
+ }
+ }
+ else
+ {
+ status = CAN_ModeStatus_Failed;
+ }
+
+ return (uint8_t) status;
+}
+
+/**
+ * @brief Enters the Sleep (low power) mode.
+ * @param CANx: where x can be 1 to select the CAN peripheral.
+ * @retval CAN_Sleep_Ok if sleep entered, CAN_Sleep_Failed otherwise.
+ */
+uint8_t CAN_Sleep(CAN_TypeDef* CANx)
+{
+ uint8_t sleepstatus = CAN_Sleep_Failed;
+
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+
+ /* Request Sleep mode */
+ CANx->MCR = (((CANx->MCR) & (uint32_t)(~(uint32_t)CAN_MCR_INRQ)) | CAN_MCR_SLEEP);
+
+ /* Sleep mode status */
+ if ((CANx->MSR & (CAN_MSR_SLAK|CAN_MSR_INAK)) == CAN_MSR_SLAK)
+ {
+ /* Sleep mode not entered */
+ sleepstatus = CAN_Sleep_Ok;
+ }
+ /* return sleep mode status */
+ return (uint8_t)sleepstatus;
+}
+
+/**
+ * @brief Wakes up the CAN peripheral from sleep mode .
+ * @param CANx: where x can be 1 to select the CAN peripheral.
+ * @retval CAN_WakeUp_Ok if sleep mode left, CAN_WakeUp_Failed otherwise.
+ */
+uint8_t CAN_WakeUp(CAN_TypeDef* CANx)
+{
+ uint32_t wait_slak = SLAK_TIMEOUT;
+ uint8_t wakeupstatus = CAN_WakeUp_Failed;
+
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+
+ /* Wake up request */
+ CANx->MCR &= ~(uint32_t)CAN_MCR_SLEEP;
+
+ /* Sleep mode status */
+ while(((CANx->MSR & CAN_MSR_SLAK) == CAN_MSR_SLAK)&&(wait_slak!=0x00))
+ {
+ wait_slak--;
+ }
+ if((CANx->MSR & CAN_MSR_SLAK) != CAN_MSR_SLAK)
+ {
+ /* wake up done : Sleep mode exited */
+ wakeupstatus = CAN_WakeUp_Ok;
+ }
+ /* return wakeup status */
+ return (uint8_t)wakeupstatus;
+}
+/**
+ * @}
+ */
+
+
+/** @defgroup CAN_Group5 CAN Bus Error management functions
+ * @brief CAN Bus Error management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### CAN Bus Error management functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to
+ (+) Return the CANx's last error code (LEC).
+ (+) Return the CANx Receive Error Counter (REC).
+ (+) Return the LSB of the 9-bit CANx Transmit Error Counter(TEC).
+ [..]
+ (@) If TEC is greater than 255, The CAN is in bus-off state.
+ (@) If REC or TEC are greater than 96, an Error warning flag occurs.
+ (@) If REC or TEC are greater than 127, an Error Passive Flag occurs.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Returns the CANx's last error code (LEC).
+ * @param CANx: where x can be 1 to select the CAN peripheral.
+ * @retval Error code:
+ * - CAN_ERRORCODE_NoErr: No Error
+ * - CAN_ERRORCODE_StuffErr: Stuff Error
+ * - CAN_ERRORCODE_FormErr: Form Error
+ * - CAN_ERRORCODE_ACKErr : Acknowledgment Error
+ * - CAN_ERRORCODE_BitRecessiveErr: Bit Recessive Error
+ * - CAN_ERRORCODE_BitDominantErr: Bit Dominant Error
+ * - CAN_ERRORCODE_CRCErr: CRC Error
+ * - CAN_ERRORCODE_SoftwareSetErr: Software Set Error
+ */
+uint8_t CAN_GetLastErrorCode(CAN_TypeDef* CANx)
+{
+ uint8_t errorcode=0;
+
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+
+ /* Get the error code*/
+ errorcode = (((uint8_t)CANx->ESR) & (uint8_t)CAN_ESR_LEC);
+
+ /* Return the error code*/
+ return errorcode;
+}
+
+/**
+ * @brief Returns the CANx Receive Error Counter (REC).
+ * @note In case of an error during reception, this counter is incremented
+ * by 1 or by 8 depending on the error condition as defined by the CAN
+ * standard. After every successful reception, the counter is
+ * decremented by 1 or reset to 120 if its value was higher than 128.
+ * When the counter value exceeds 127, the CAN controller enters the
+ * error passive state.
+ * @param CANx: where x can be 1 or 2 to to select the CAN peripheral.
+ * @retval CAN Receive Error Counter.
+ */
+uint8_t CAN_GetReceiveErrorCounter(CAN_TypeDef* CANx)
+{
+ uint8_t counter=0;
+
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+
+ /* Get the Receive Error Counter*/
+ counter = (uint8_t)((CANx->ESR & CAN_ESR_REC)>> 24);
+
+ /* Return the Receive Error Counter*/
+ return counter;
+}
+
+
+/**
+ * @brief Returns the LSB of the 9-bit CANx Transmit Error Counter(TEC).
+ * @param CANx: where x can be 1 or 2 to to select the CAN peripheral.
+ * @retval LSB of the 9-bit CAN Transmit Error Counter.
+ */
+uint8_t CAN_GetLSBTransmitErrorCounter(CAN_TypeDef* CANx)
+{
+ uint8_t counter=0;
+
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+
+ /* Get the LSB of the 9-bit CANx Transmit Error Counter(TEC) */
+ counter = (uint8_t)((CANx->ESR & CAN_ESR_TEC)>> 16);
+
+ /* Return the LSB of the 9-bit CANx Transmit Error Counter(TEC) */
+ return counter;
+}
+/**
+ * @}
+ */
+
+/** @defgroup CAN_Group6 Interrupts and flags management functions
+ * @brief Interrupts and flags management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Interrupts and flags management functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to configure the CAN Interrupts
+ and to get the status and clear flags and Interrupts pending bits.
+ [..] The CAN provides 14 Interrupts sources and 15 Flags:
+
+ *** Flags ***
+ =============
+ [..] The 15 flags can be divided on 4 groups:
+ (+) Transmit Flags:
+ (++) CAN_FLAG_RQCP0.
+ (++) CAN_FLAG_RQCP1.
+ (++) CAN_FLAG_RQCP2: Request completed MailBoxes 0, 1 and 2 Flags
+ Set when when the last request (transmit or abort) has
+ been performed.
+ (+) Receive Flags:
+ (++) CAN_FLAG_FMP0.
+ (++) CAN_FLAG_FMP1: FIFO 0 and 1 Message Pending Flags;
+ Set to signal that messages are pending in the receive FIFO.
+ These Flags are cleared only by hardware.
+ (++) CAN_FLAG_FF0.
+ (++) CAN_FLAG_FF1: FIFO 0 and 1 Full Flags;
+ Set when three messages are stored in the selected FIFO.
+ (++) CAN_FLAG_FOV0.
+ (++) CAN_FLAG_FOV1: FIFO 0 and 1 Overrun Flags;
+ Set when a new message has been received and passed the filter
+ while the FIFO was full.
+ (+) Operating Mode Flags:
+ (++) CAN_FLAG_WKU: Wake up Flag;
+ Set to signal that a SOF bit has been detected while the CAN
+ hardware was in Sleep mode.
+ (++) CAN_FLAG_SLAK: Sleep acknowledge Flag;
+ Set to signal that the CAN has entered Sleep Mode.
+ (+) Error Flags:
+ (++) CAN_FLAG_EWG: Error Warning Flag;
+ Set when the warning limit has been reached (Receive Error Counter
+ or Transmit Error Counter greater than 96).
+ This Flag is cleared only by hardware.
+ (++) CAN_FLAG_EPV: Error Passive Flag;
+ Set when the Error Passive limit has been reached (Receive Error
+ Counter or Transmit Error Counter greater than 127).
+ This Flag is cleared only by hardware.
+ (++) CAN_FLAG_BOF: Bus-Off Flag;
+ Set when CAN enters the bus-off state. The bus-off state is
+ entered on TEC overflow, greater than 255.
+ This Flag is cleared only by hardware.
+ (++) CAN_FLAG_LEC: Last error code Flag;
+ Set If a message has been transferred (reception or transmission)
+ with error, and the error code is hold.
+
+ *** Interrupts ***
+ ==================
+ [..] The 14 interrupts can be divided on 4 groups:
+ (+) Transmit interrupt:
+ (++) CAN_IT_TME: Transmit mailbox empty Interrupt;
+ If enabled, this interrupt source is pending when no transmit
+ request are pending for Tx mailboxes.
+ (+) Receive Interrupts:
+ (++) CAN_IT_FMP0.
+ (++) CAN_IT_FMP1: FIFO 0 and FIFO1 message pending Interrupts;
+ If enabled, these interrupt sources are pending when messages
+ are pending in the receive FIFO.
+ The corresponding interrupt pending bits are cleared only by hardware.
+ (++) CAN_IT_FF0.
+ (++) CAN_IT_FF1: FIFO 0 and FIFO1 full Interrupts;
+ If enabled, these interrupt sources are pending when three messages
+ are stored in the selected FIFO.
+ (++) CAN_IT_FOV0.
+ (++) CAN_IT_FOV1: FIFO 0 and FIFO1 overrun Interrupts;
+ If enabled, these interrupt sources are pending when a new message
+ has been received and passed the filter while the FIFO was full.
+ (+) Operating Mode Interrupts:
+ (++) CAN_IT_WKU: Wake-up Interrupt;
+ If enabled, this interrupt source is pending when a SOF bit has
+ been detected while the CAN hardware was in Sleep mode.
+ (++) CAN_IT_SLK: Sleep acknowledge Interrupt:
+ If enabled, this interrupt source is pending when the CAN has
+ entered Sleep Mode.
+ (+) Error Interrupts:
+ (++) CAN_IT_EWG: Error warning Interrupt;
+ If enabled, this interrupt source is pending when the warning limit
+ has been reached (Receive Error Counter or Transmit Error Counter=96).
+ (++) CAN_IT_EPV: Error passive Interrupt;
+ If enabled, this interrupt source is pending when the Error Passive
+ limit has been reached (Receive Error Counter or Transmit Error Counter>127).
+ (++) CAN_IT_BOF: Bus-off Interrupt;
+ If enabled, this interrupt source is pending when CAN enters
+ the bus-off state. The bus-off state is entered on TEC overflow,
+ greater than 255.
+ This Flag is cleared only by hardware.
+ (++) CAN_IT_LEC: Last error code Interrupt;
+ If enabled, this interrupt source is pending when a message has
+ been transferred (reception or transmission) with error and the
+ error code is hold.
+ (++) CAN_IT_ERR: Error Interrupt;
+ If enabled, this interrupt source is pending when an error condition
+ is pending.
+ [..] Managing the CAN controller events:
+ The user should identify which mode will be used in his application to manage
+ the CAN controller events: Polling mode or Interrupt mode.
+ (+) In the Polling Mode it is advised to use the following functions:
+ (++) CAN_GetFlagStatus() : to check if flags events occur.
+ (++) CAN_ClearFlag() : to clear the flags events.
+ (+) In the Interrupt Mode it is advised to use the following functions:
+ (++) CAN_ITConfig() : to enable or disable the interrupt source.
+ (++) CAN_GetITStatus() : to check if Interrupt occurs.
+ (++) CAN_ClearITPendingBit() : to clear the Interrupt pending Bit
+ (corresponding Flag).
+ This function has no impact on CAN_IT_FMP0 and CAN_IT_FMP1 Interrupts
+ pending bits since there are cleared only by hardware.
+
+@endverbatim
+ * @{
+ */
+/**
+ * @brief Enables or disables the specified CANx interrupts.
+ * @param CANx: where x can be 1 or 2 to to select the CAN peripheral.
+ * @param CAN_IT: specifies the CAN interrupt sources to be enabled or disabled.
+ * This parameter can be:
+ * @arg CAN_IT_TME: Transmit mailbox empty Interrupt
+ * @arg CAN_IT_FMP0: FIFO 0 message pending Interrupt
+ * @arg CAN_IT_FF0: FIFO 0 full Interrupt
+ * @arg CAN_IT_FOV0: FIFO 0 overrun Interrupt
+ * @arg CAN_IT_FMP1: FIFO 1 message pending Interrupt
+ * @arg CAN_IT_FF1: FIFO 1 full Interrupt
+ * @arg CAN_IT_FOV1: FIFO 1 overrun Interrupt
+ * @arg CAN_IT_WKU: Wake-up Interrupt
+ * @arg CAN_IT_SLK: Sleep acknowledge Interrupt
+ * @arg CAN_IT_EWG: Error warning Interrupt
+ * @arg CAN_IT_EPV: Error passive Interrupt
+ * @arg CAN_IT_BOF: Bus-off Interrupt
+ * @arg CAN_IT_LEC: Last error code Interrupt
+ * @arg CAN_IT_ERR: Error Interrupt
+ * @param NewState: new state of the CAN interrupts.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void CAN_ITConfig(CAN_TypeDef* CANx, uint32_t CAN_IT, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+ assert_param(IS_CAN_IT(CAN_IT));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected CANx interrupt */
+ CANx->IER |= CAN_IT;
+ }
+ else
+ {
+ /* Disable the selected CANx interrupt */
+ CANx->IER &= ~CAN_IT;
+ }
+}
+/**
+ * @brief Checks whether the specified CAN flag is set or not.
+ * @param CANx: where x can be 1 or 2 to to select the CAN peripheral.
+ * @param CAN_FLAG: specifies the flag to check.
+ * This parameter can be one of the following values:
+ * @arg CAN_FLAG_RQCP0: Request MailBox0 Flag
+ * @arg CAN_FLAG_RQCP1: Request MailBox1 Flag
+ * @arg CAN_FLAG_RQCP2: Request MailBox2 Flag
+ * @arg CAN_FLAG_FMP0: FIFO 0 Message Pending Flag
+ * @arg CAN_FLAG_FF0: FIFO 0 Full Flag
+ * @arg CAN_FLAG_FOV0: FIFO 0 Overrun Flag
+ * @arg CAN_FLAG_FMP1: FIFO 1 Message Pending Flag
+ * @arg CAN_FLAG_FF1: FIFO 1 Full Flag
+ * @arg CAN_FLAG_FOV1: FIFO 1 Overrun Flag
+ * @arg CAN_FLAG_WKU: Wake up Flag
+ * @arg CAN_FLAG_SLAK: Sleep acknowledge Flag
+ * @arg CAN_FLAG_EWG: Error Warning Flag
+ * @arg CAN_FLAG_EPV: Error Passive Flag
+ * @arg CAN_FLAG_BOF: Bus-Off Flag
+ * @arg CAN_FLAG_LEC: Last error code Flag
+ * @retval The new state of CAN_FLAG (SET or RESET).
+ */
+FlagStatus CAN_GetFlagStatus(CAN_TypeDef* CANx, uint32_t CAN_FLAG)
+{
+ FlagStatus bitstatus = RESET;
+
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+ assert_param(IS_CAN_GET_FLAG(CAN_FLAG));
+
+
+ if((CAN_FLAG & CAN_FLAGS_ESR) != (uint32_t)RESET)
+ {
+ /* Check the status of the specified CAN flag */
+ if ((CANx->ESR & (CAN_FLAG & 0x000FFFFF)) != (uint32_t)RESET)
+ {
+ /* CAN_FLAG is set */
+ bitstatus = SET;
+ }
+ else
+ {
+ /* CAN_FLAG is reset */
+ bitstatus = RESET;
+ }
+ }
+ else if((CAN_FLAG & CAN_FLAGS_MSR) != (uint32_t)RESET)
+ {
+ /* Check the status of the specified CAN flag */
+ if ((CANx->MSR & (CAN_FLAG & 0x000FFFFF)) != (uint32_t)RESET)
+ {
+ /* CAN_FLAG is set */
+ bitstatus = SET;
+ }
+ else
+ {
+ /* CAN_FLAG is reset */
+ bitstatus = RESET;
+ }
+ }
+ else if((CAN_FLAG & CAN_FLAGS_TSR) != (uint32_t)RESET)
+ {
+ /* Check the status of the specified CAN flag */
+ if ((CANx->TSR & (CAN_FLAG & 0x000FFFFF)) != (uint32_t)RESET)
+ {
+ /* CAN_FLAG is set */
+ bitstatus = SET;
+ }
+ else
+ {
+ /* CAN_FLAG is reset */
+ bitstatus = RESET;
+ }
+ }
+ else if((CAN_FLAG & CAN_FLAGS_RF0R) != (uint32_t)RESET)
+ {
+ /* Check the status of the specified CAN flag */
+ if ((CANx->RF0R & (CAN_FLAG & 0x000FFFFF)) != (uint32_t)RESET)
+ {
+ /* CAN_FLAG is set */
+ bitstatus = SET;
+ }
+ else
+ {
+ /* CAN_FLAG is reset */
+ bitstatus = RESET;
+ }
+ }
+ else /* If(CAN_FLAG & CAN_FLAGS_RF1R != (uint32_t)RESET) */
+ {
+ /* Check the status of the specified CAN flag */
+ if ((uint32_t)(CANx->RF1R & (CAN_FLAG & 0x000FFFFF)) != (uint32_t)RESET)
+ {
+ /* CAN_FLAG is set */
+ bitstatus = SET;
+ }
+ else
+ {
+ /* CAN_FLAG is reset */
+ bitstatus = RESET;
+ }
+ }
+ /* Return the CAN_FLAG status */
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the CAN's pending flags.
+ * @param CANx: where x can be 1 or 2 to to select the CAN peripheral.
+ * @param CAN_FLAG: specifies the flag to clear.
+ * This parameter can be one of the following values:
+ * @arg CAN_FLAG_RQCP0: Request MailBox0 Flag
+ * @arg CAN_FLAG_RQCP1: Request MailBox1 Flag
+ * @arg CAN_FLAG_RQCP2: Request MailBox2 Flag
+ * @arg CAN_FLAG_FF0: FIFO 0 Full Flag
+ * @arg CAN_FLAG_FOV0: FIFO 0 Overrun Flag
+ * @arg CAN_FLAG_FF1: FIFO 1 Full Flag
+ * @arg CAN_FLAG_FOV1: FIFO 1 Overrun Flag
+ * @arg CAN_FLAG_WKU: Wake up Flag
+ * @arg CAN_FLAG_SLAK: Sleep acknowledge Flag
+ * @arg CAN_FLAG_LEC: Last error code Flag
+ * @retval None
+ */
+void CAN_ClearFlag(CAN_TypeDef* CANx, uint32_t CAN_FLAG)
+{
+ uint32_t flagtmp=0;
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+ assert_param(IS_CAN_CLEAR_FLAG(CAN_FLAG));
+
+ if (CAN_FLAG == CAN_FLAG_LEC) /* ESR register */
+ {
+ /* Clear the selected CAN flags */
+ CANx->ESR = (uint32_t)RESET;
+ }
+ else /* MSR or TSR or RF0R or RF1R */
+ {
+ flagtmp = CAN_FLAG & 0x000FFFFF;
+
+ if ((CAN_FLAG & CAN_FLAGS_RF0R)!=(uint32_t)RESET)
+ {
+ /* Receive Flags */
+ CANx->RF0R = (uint32_t)(flagtmp);
+ }
+ else if ((CAN_FLAG & CAN_FLAGS_RF1R)!=(uint32_t)RESET)
+ {
+ /* Receive Flags */
+ CANx->RF1R = (uint32_t)(flagtmp);
+ }
+ else if ((CAN_FLAG & CAN_FLAGS_TSR)!=(uint32_t)RESET)
+ {
+ /* Transmit Flags */
+ CANx->TSR = (uint32_t)(flagtmp);
+ }
+ else /* If((CAN_FLAG & CAN_FLAGS_MSR)!=(uint32_t)RESET) */
+ {
+ /* Operating mode Flags */
+ CANx->MSR = (uint32_t)(flagtmp);
+ }
+ }
+}
+
+/**
+ * @brief Checks whether the specified CANx interrupt has occurred or not.
+ * @param CANx: where x can be 1 or 2 to to select the CAN peripheral.
+ * @param CAN_IT: specifies the CAN interrupt source to check.
+ * This parameter can be one of the following values:
+ * @arg CAN_IT_TME: Transmit mailbox empty Interrupt
+ * @arg CAN_IT_FMP0: FIFO 0 message pending Interrupt
+ * @arg CAN_IT_FF0: FIFO 0 full Interrupt
+ * @arg CAN_IT_FOV0: FIFO 0 overrun Interrupt
+ * @arg CAN_IT_FMP1: FIFO 1 message pending Interrupt
+ * @arg CAN_IT_FF1: FIFO 1 full Interrupt
+ * @arg CAN_IT_FOV1: FIFO 1 overrun Interrupt
+ * @arg CAN_IT_WKU: Wake-up Interrupt
+ * @arg CAN_IT_SLK: Sleep acknowledge Interrupt
+ * @arg CAN_IT_EWG: Error warning Interrupt
+ * @arg CAN_IT_EPV: Error passive Interrupt
+ * @arg CAN_IT_BOF: Bus-off Interrupt
+ * @arg CAN_IT_LEC: Last error code Interrupt
+ * @arg CAN_IT_ERR: Error Interrupt
+ * @retval The current state of CAN_IT (SET or RESET).
+ */
+ITStatus CAN_GetITStatus(CAN_TypeDef* CANx, uint32_t CAN_IT)
+{
+ ITStatus itstatus = RESET;
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+ assert_param(IS_CAN_IT(CAN_IT));
+
+ /* check the interrupt enable bit */
+ if((CANx->IER & CAN_IT) != RESET)
+ {
+ /* in case the Interrupt is enabled, .... */
+ switch (CAN_IT)
+ {
+ case CAN_IT_TME:
+ /* Check CAN_TSR_RQCPx bits */
+ itstatus = CheckITStatus(CANx->TSR, CAN_TSR_RQCP0|CAN_TSR_RQCP1|CAN_TSR_RQCP2);
+ break;
+ case CAN_IT_FMP0:
+ /* Check CAN_RF0R_FMP0 bit */
+ itstatus = CheckITStatus(CANx->RF0R, CAN_RF0R_FMP0);
+ break;
+ case CAN_IT_FF0:
+ /* Check CAN_RF0R_FULL0 bit */
+ itstatus = CheckITStatus(CANx->RF0R, CAN_RF0R_FULL0);
+ break;
+ case CAN_IT_FOV0:
+ /* Check CAN_RF0R_FOVR0 bit */
+ itstatus = CheckITStatus(CANx->RF0R, CAN_RF0R_FOVR0);
+ break;
+ case CAN_IT_FMP1:
+ /* Check CAN_RF1R_FMP1 bit */
+ itstatus = CheckITStatus(CANx->RF1R, CAN_RF1R_FMP1);
+ break;
+ case CAN_IT_FF1:
+ /* Check CAN_RF1R_FULL1 bit */
+ itstatus = CheckITStatus(CANx->RF1R, CAN_RF1R_FULL1);
+ break;
+ case CAN_IT_FOV1:
+ /* Check CAN_RF1R_FOVR1 bit */
+ itstatus = CheckITStatus(CANx->RF1R, CAN_RF1R_FOVR1);
+ break;
+ case CAN_IT_WKU:
+ /* Check CAN_MSR_WKUI bit */
+ itstatus = CheckITStatus(CANx->MSR, CAN_MSR_WKUI);
+ break;
+ case CAN_IT_SLK:
+ /* Check CAN_MSR_SLAKI bit */
+ itstatus = CheckITStatus(CANx->MSR, CAN_MSR_SLAKI);
+ break;
+ case CAN_IT_EWG:
+ /* Check CAN_ESR_EWGF bit */
+ itstatus = CheckITStatus(CANx->ESR, CAN_ESR_EWGF);
+ break;
+ case CAN_IT_EPV:
+ /* Check CAN_ESR_EPVF bit */
+ itstatus = CheckITStatus(CANx->ESR, CAN_ESR_EPVF);
+ break;
+ case CAN_IT_BOF:
+ /* Check CAN_ESR_BOFF bit */
+ itstatus = CheckITStatus(CANx->ESR, CAN_ESR_BOFF);
+ break;
+ case CAN_IT_LEC:
+ /* Check CAN_ESR_LEC bit */
+ itstatus = CheckITStatus(CANx->ESR, CAN_ESR_LEC);
+ break;
+ case CAN_IT_ERR:
+ /* Check CAN_MSR_ERRI bit */
+ itstatus = CheckITStatus(CANx->MSR, CAN_MSR_ERRI);
+ break;
+ default:
+ /* in case of error, return RESET */
+ itstatus = RESET;
+ break;
+ }
+ }
+ else
+ {
+ /* in case the Interrupt is not enabled, return RESET */
+ itstatus = RESET;
+ }
+
+ /* Return the CAN_IT status */
+ return itstatus;
+}
+
+/**
+ * @brief Clears the CANx's interrupt pending bits.
+ * @param CANx: where x can be 1 or 2 to to select the CAN peripheral.
+ * @param CAN_IT: specifies the interrupt pending bit to clear.
+ * This parameter can be one of the following values:
+ * @arg CAN_IT_TME: Transmit mailbox empty Interrupt
+ * @arg CAN_IT_FF0: FIFO 0 full Interrupt
+ * @arg CAN_IT_FOV0: FIFO 0 overrun Interrupt
+ * @arg CAN_IT_FF1: FIFO 1 full Interrupt
+ * @arg CAN_IT_FOV1: FIFO 1 overrun Interrupt
+ * @arg CAN_IT_WKU: Wake-up Interrupt
+ * @arg CAN_IT_SLK: Sleep acknowledge Interrupt
+ * @arg CAN_IT_EWG: Error warning Interrupt
+ * @arg CAN_IT_EPV: Error passive Interrupt
+ * @arg CAN_IT_BOF: Bus-off Interrupt
+ * @arg CAN_IT_LEC: Last error code Interrupt
+ * @arg CAN_IT_ERR: Error Interrupt
+ * @retval None
+ */
+void CAN_ClearITPendingBit(CAN_TypeDef* CANx, uint32_t CAN_IT)
+{
+ /* Check the parameters */
+ assert_param(IS_CAN_ALL_PERIPH(CANx));
+ assert_param(IS_CAN_CLEAR_IT(CAN_IT));
+
+ switch (CAN_IT)
+ {
+ case CAN_IT_TME:
+ /* Clear CAN_TSR_RQCPx (rc_w1)*/
+ CANx->TSR = CAN_TSR_RQCP0|CAN_TSR_RQCP1|CAN_TSR_RQCP2;
+ break;
+ case CAN_IT_FF0:
+ /* Clear CAN_RF0R_FULL0 (rc_w1)*/
+ CANx->RF0R = CAN_RF0R_FULL0;
+ break;
+ case CAN_IT_FOV0:
+ /* Clear CAN_RF0R_FOVR0 (rc_w1)*/
+ CANx->RF0R = CAN_RF0R_FOVR0;
+ break;
+ case CAN_IT_FF1:
+ /* Clear CAN_RF1R_FULL1 (rc_w1)*/
+ CANx->RF1R = CAN_RF1R_FULL1;
+ break;
+ case CAN_IT_FOV1:
+ /* Clear CAN_RF1R_FOVR1 (rc_w1)*/
+ CANx->RF1R = CAN_RF1R_FOVR1;
+ break;
+ case CAN_IT_WKU:
+ /* Clear CAN_MSR_WKUI (rc_w1)*/
+ CANx->MSR = CAN_MSR_WKUI;
+ break;
+ case CAN_IT_SLK:
+ /* Clear CAN_MSR_SLAKI (rc_w1)*/
+ CANx->MSR = CAN_MSR_SLAKI;
+ break;
+ case CAN_IT_EWG:
+ /* Clear CAN_MSR_ERRI (rc_w1) */
+ CANx->MSR = CAN_MSR_ERRI;
+ /* @note the corresponding Flag is cleared by hardware depending on the CAN Bus status*/
+ break;
+ case CAN_IT_EPV:
+ /* Clear CAN_MSR_ERRI (rc_w1) */
+ CANx->MSR = CAN_MSR_ERRI;
+ /* @note the corresponding Flag is cleared by hardware depending on the CAN Bus status*/
+ break;
+ case CAN_IT_BOF:
+ /* Clear CAN_MSR_ERRI (rc_w1) */
+ CANx->MSR = CAN_MSR_ERRI;
+ /* @note the corresponding Flag is cleared by hardware depending on the CAN Bus status*/
+ break;
+ case CAN_IT_LEC:
+ /* Clear LEC bits */
+ CANx->ESR = RESET;
+ /* Clear CAN_MSR_ERRI (rc_w1) */
+ CANx->MSR = CAN_MSR_ERRI;
+ break;
+ case CAN_IT_ERR:
+ /*Clear LEC bits */
+ CANx->ESR = RESET;
+ /* Clear CAN_MSR_ERRI (rc_w1) */
+ CANx->MSR = CAN_MSR_ERRI;
+ /* @note BOFF, EPVF and EWGF Flags are cleared by hardware depending on the CAN Bus status*/
+ break;
+ default:
+ break;
+ }
+}
+ /**
+ * @}
+ */
+
+/**
+ * @brief Checks whether the CAN interrupt has occurred or not.
+ * @param CAN_Reg: specifies the CAN interrupt register to check.
+ * @param It_Bit: specifies the interrupt source bit to check.
+ * @retval The new state of the CAN Interrupt (SET or RESET).
+ */
+static ITStatus CheckITStatus(uint32_t CAN_Reg, uint32_t It_Bit)
+{
+ ITStatus pendingbitstatus = RESET;
+
+ if ((CAN_Reg & It_Bit) != (uint32_t)RESET)
+ {
+ /* CAN_IT is set */
+ pendingbitstatus = SET;
+ }
+ else
+ {
+ /* CAN_IT is reset */
+ pendingbitstatus = RESET;
+ }
+ return pendingbitstatus;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_cec.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_cec.c
new file mode 100644
index 00000000..f49e8b9d
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_cec.c
@@ -0,0 +1,607 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_cec.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the Consumer Electronics Control (CEC) peripheral
+ * applicable only on STM32F051, STM32F042 and STM32F072 devices:
+ * + Initialization and Configuration
+ * + Data transfers functions
+ * + Interrupts and flags management
+ *
+ * @verbatim
+ ==============================================================================
+ ##### CEC features #####
+ ==============================================================================
+ [..] This device provides some features:
+ (#) Supports HDMI-CEC specification 1.4.
+ (#) Supports two source clocks(HSI/244 or LSE).
+ (#) Works in stop mode(without APB clock, but with CEC clock 32KHz).
+ It can genarate an interrupt in the CEC clock domain that the CPU
+ wakes up from the low power mode.
+ (#) Configurable Signal Free Time before of transmission start. The
+ number of nominal data bit periods waited before transmission can be
+ ruled by Hardware or Software.
+ (#) Configurable Peripheral Address (multi-addressing configuration).
+ (#) Supports listen mode.The CEC Messages addressed to different destination
+ can be received without interfering with CEC bus when Listen mode option is enabled.
+ (#) Configurable Rx-Tolerance(Standard and Extended tolerance margin).
+ (#) Error detection with configurable error bit generation.
+ (#) Arbitration lost error in the case of two CEC devices starting at the same time.
+
+ ##### How to use this driver #####
+ ==============================================================================
+ [..] This driver provides functions to configure and program the CEC device,
+ follow steps below:
+ (#) The source clock can be configured using:
+ (++) RCC_CECCLKConfig(RCC_CECCLK_HSI_Div244) for HSI(Default)
+ (++) RCC_CECCLKConfig(RCC_CECCLK_LSE) for LSE.
+ (#) Enable CEC peripheral clock using RCC_APBPeriphClockCmd(RCC_APBPeriph_CEC, ENABLE).
+ (#) Peripherals alternate function.
+ (++) Connect the pin to the desired peripherals' Alternate Function (AF) using
+ GPIO_PinAFConfig() function.
+ (++) Configure the desired pin in alternate function by:
+ GPIO_InitStruct->GPIO_Mode = GPIO_Mode_AF.
+ (++) Select the type open-drain and output speed via GPIO_OType
+ and GPIO_Speed members.
+ (++) Call GPIO_Init() function.
+ (#) Configure the Signal Free Time, Rx Tolerance, Stop reception generation
+ and Bit error generation using the CEC_Init() function.
+ The function CEC_Init() must be called when the CEC peripheral is disabled.
+ (#) Configure the CEC own address by calling the fuction CEC_OwnAddressConfig().
+ (#) Optionally, you can configure the Listen mode using the function CEC_ListenModeCmd().
+ (#) Enable the NVIC and the corresponding interrupt using the function
+ CEC_ITConfig() if you need to use interrupt mode.
+ CEC_ITConfig() must be called before enabling the CEC peripheral.
+ (#) Enable the CEC using the CEC_Cmd() function.
+ (#) Charge the first data byte in the TXDR register using CEC_SendDataByte().
+ (#) Enable the transmission of the Byte of a CEC message using CEC_StartOfMessage()
+ (#) Transmit single data through the CEC peripheral using CEC_SendDataByte()
+ and Receive the last transmitted byte using CEC_ReceiveDataByte().
+ (#) Enable the CEC_EndOfMessage() in order to indicate the last byte of the message.
+ [..]
+ (@) If the listen mode is enabled, Stop reception generation and Bit error generation
+ must be in reset state.
+ (@) If the CEC message consists of only 1 byte, the function CEC_EndOfMessage()
+ must be called before CEC_StartOfMessage().
+
+ @endverbatim
+ *
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_cec.h"
+#include "stm32f0xx_rcc.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup CEC
+ * @brief CEC driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+#define BROADCAST_ADDRESS ((uint32_t)0x0000F)
+#define CFGR_CLEAR_MASK ((uint32_t)0x7000FE00) /* CFGR register Mask */
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup CEC_Private_Functions
+ * @{
+ */
+
+/** @defgroup CEC_Group1 Initialization and Configuration functions
+ * @brief Initialization and Configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Initialization and Configuration functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to initialize:
+ (+) CEC own addresses
+ (+) CEC Signal Free Time
+ (+) CEC Rx Tolerance
+ (+) CEC Stop Reception
+ (+) CEC Bit Rising Error
+ (+) CEC Long Bit Period Error
+ [..] This section provides also a function to configure the CEC peripheral in Listen Mode.
+ Messages addressed to different destination can be received when Listen mode is
+ enabled without interfering with CEC bus.
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Deinitializes the CEC peripheral registers to their default reset values.
+ * @param None
+ * @retval None
+ */
+void CEC_DeInit(void)
+{
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_CEC, ENABLE);
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_CEC, DISABLE);
+}
+
+/**
+ * @brief Initializes the CEC peripheral according to the specified parameters
+ * in the CEC_InitStruct.
+ * @note The CEC parameters must be configured before enabling the CEC peripheral.
+ * @param CEC_InitStruct: pointer to an CEC_InitTypeDef structure that contains
+ * the configuration information for the specified CEC peripheral.
+ * @retval None
+ */
+void CEC_Init(CEC_InitTypeDef* CEC_InitStruct)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_CEC_SIGNAL_FREE_TIME(CEC_InitStruct->CEC_SignalFreeTime));
+ assert_param(IS_CEC_RX_TOLERANCE(CEC_InitStruct->CEC_RxTolerance));
+ assert_param(IS_CEC_STOP_RECEPTION(CEC_InitStruct->CEC_StopReception));
+ assert_param(IS_CEC_BIT_RISING_ERROR(CEC_InitStruct->CEC_BitRisingError));
+ assert_param(IS_CEC_LONG_BIT_PERIOD_ERROR(CEC_InitStruct->CEC_LongBitPeriodError));
+ assert_param(IS_CEC_BDR_NO_GEN_ERROR(CEC_InitStruct->CEC_BRDNoGen));
+ assert_param(IS_CEC_SFT_OPTION(CEC_InitStruct->CEC_SFTOption));
+
+ /* Get the CEC CFGR value */
+ tmpreg = CEC->CFGR;
+
+ /* Clear CFGR bits */
+ tmpreg &= CFGR_CLEAR_MASK;
+
+ /* Configure the CEC peripheral */
+ tmpreg |= (CEC_InitStruct->CEC_SignalFreeTime | CEC_InitStruct->CEC_RxTolerance |
+ CEC_InitStruct->CEC_StopReception | CEC_InitStruct->CEC_BitRisingError |
+ CEC_InitStruct->CEC_LongBitPeriodError| CEC_InitStruct->CEC_BRDNoGen |
+ CEC_InitStruct->CEC_SFTOption);
+
+ /* Write to CEC CFGR register */
+ CEC->CFGR = tmpreg;
+}
+
+/**
+ * @brief Fills each CEC_InitStruct member with its default value.
+ * @param CEC_InitStruct: pointer to a CEC_InitTypeDef structure which will
+ * be initialized.
+ * @retval None
+ */
+void CEC_StructInit(CEC_InitTypeDef* CEC_InitStruct)
+{
+ CEC_InitStruct->CEC_SignalFreeTime = CEC_SignalFreeTime_Standard;
+ CEC_InitStruct->CEC_RxTolerance = CEC_RxTolerance_Standard;
+ CEC_InitStruct->CEC_StopReception = CEC_StopReception_Off;
+ CEC_InitStruct->CEC_BitRisingError = CEC_BitRisingError_Off;
+ CEC_InitStruct->CEC_LongBitPeriodError = CEC_LongBitPeriodError_Off;
+ CEC_InitStruct->CEC_BRDNoGen = CEC_BRDNoGen_Off;
+ CEC_InitStruct->CEC_SFTOption = CEC_SFTOption_Off;
+}
+
+/**
+ * @brief Enables or disables the CEC peripheral.
+ * @param NewState: new state of the CEC peripheral.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void CEC_Cmd(FunctionalState NewState)
+{
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the CEC peripheral */
+ CEC->CR |= CEC_CR_CECEN;
+ }
+ else
+ {
+ /* Disable the CEC peripheral */
+ CEC->CR &= ~CEC_CR_CECEN;
+ }
+}
+
+/**
+ * @brief Enables or disables the CEC Listen Mode.
+ * @param NewState: new state of the Listen Mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void CEC_ListenModeCmd(FunctionalState NewState)
+{
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the Listen Mode */
+ CEC->CFGR |= CEC_CFGR_LSTN;
+ }
+ else
+ {
+ /* Disable the Listen Mode */
+ CEC->CFGR &= ~CEC_CFGR_LSTN;
+ }
+}
+
+/**
+ * @brief Defines the Own Address of the CEC device.
+ * @param CEC_OwnAddress: The CEC own address.
+ * @retval None
+ */
+void CEC_OwnAddressConfig(uint8_t CEC_OwnAddress)
+{
+ uint32_t tmp =0x00;
+ /* Check the parameters */
+ assert_param(IS_CEC_ADDRESS(CEC_OwnAddress));
+ tmp = 1 <<(CEC_OwnAddress + 16);
+ /* Set the CEC own address */
+ CEC->CFGR |= tmp;
+}
+
+/**
+ * @brief Clears the Own Address of the CEC device.
+ * @param CEC_OwnAddress: The CEC own address.
+ * @retval None
+ */
+void CEC_OwnAddressClear(void)
+{
+ /* Set the CEC own address */
+ CEC->CFGR = 0x0;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup CEC_Group2 Data transfers functions
+ * @brief Data transfers functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Data transfers functions #####
+ ===============================================================================
+ [..] This section provides functions allowing the CEC data transfers.The read
+ access of the CEC_RXDR register can be done using the CEC_ReceiveData()function
+ and returns the Rx buffered value. Whereas a write access to the CEC_TXDR can be
+ done using CEC_SendData() function.
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Transmits single data through the CEC peripheral.
+ * @param Data: the data to transmit.
+ * @retval None
+ */
+void CEC_SendData(uint8_t Data)
+{
+ /* Transmit Data */
+ CEC->TXDR = Data;
+}
+
+/**
+ * @brief Returns the most recent received data by the CEC peripheral.
+ * @param None
+ * @retval The received data.
+ */
+uint8_t CEC_ReceiveData(void)
+{
+ /* Receive Data */
+ return (uint8_t)(CEC->RXDR);
+}
+
+/**
+ * @brief Starts a new message.
+ * @param None
+ * @retval None
+ */
+void CEC_StartOfMessage(void)
+{
+ /* Starts of new message */
+ CEC->CR |= CEC_CR_TXSOM;
+}
+
+/**
+ * @brief Transmits message with an EOM bit.
+ * @param None
+ * @retval None
+ */
+void CEC_EndOfMessage(void)
+{
+ /* The data byte will be transmitted with an EOM bit */
+ CEC->CR |= CEC_CR_TXEOM;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup CEC_Group3 Interrupts and flags management functions
+ * @brief Interrupts and flags management functions
+*
+@verbatim
+ ===============================================================================
+ ##### Interrupts and flags management functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to configure the CEC Interrupts
+ sources and check or clear the flags or pending bits status.
+ [..] The user should identify which mode will be used in his application to manage
+ the communication: Polling mode or Interrupt mode.
+
+ [..] In polling mode, the CEC can be managed by the following flags:
+ (+) CEC_FLAG_TXACKE : to indicate a missing acknowledge in transmission mode.
+ (+) CEC_FLAG_TXERR : to indicate an error occurs during transmission mode.
+ The initiator detects low impedance in the CEC line.
+ (+) CEC_FLAG_TXUDR : to indicate if an underrun error occurs in transmission mode.
+ The transmission is enabled while the software has not yet
+ loaded any value into the TXDR register.
+ (+) CEC_FLAG_TXEND : to indicate the end of successful transmission.
+ (+) CEC_FLAG_TXBR : to indicate the next transmission data has to be written to TXDR.
+ (+) CEC_FLAG_ARBLST : to indicate arbitration lost in the case of two CEC devices
+ starting at the same time.
+ (+) CEC_FLAG_RXACKE : to indicate a missing acknowledge in receive mode.
+ (+) CEC_FLAG_LBPE : to indicate a long bit period error generated during receive mode.
+ (+) CEC_FLAG_SBPE : to indicate a short bit period error generated during receive mode.
+ (+) CEC_FLAG_BRE : to indicate a bit rising error generated during receive mode.
+ (+) CEC_FLAG_RXOVR : to indicate if an overrun error occur while receiving a CEC message.
+ A byte is not yet received while a new byte is stored in the RXDR register.
+ (+) CEC_FLAG_RXEND : to indicate the end Of reception
+ (+) CEC_FLAG_RXBR : to indicate a new byte has been received from the CEC line and
+ stored into the RXDR buffer.
+ [..]
+ (@)In this Mode, it is advised to use the following functions:
+ FlagStatus CEC_GetFlagStatus(uint16_t CEC_FLAG);
+ void CEC_ClearFlag(uint16_t CEC_FLAG);
+
+ [..] In Interrupt mode, the CEC can be managed by the following interrupt sources:
+ (+) CEC_IT_TXACKE : to indicate a TX Missing acknowledge
+ (+) CEC_IT_TXACKE : to indicate a missing acknowledge in transmission mode.
+ (+) CEC_IT_TXERR : to indicate an error occurs during transmission mode.
+ The initiator detects low impedance in the CEC line.
+ (+) CEC_IT_TXUDR : to indicate if an underrun error occurs in transmission mode.
+ The transmission is enabled while the software has not yet
+ loaded any value into the TXDR register.
+ (+) CEC_IT_TXEND : to indicate the end of successful transmission.
+ (+) CEC_IT_TXBR : to indicate the next transmission data has to be written to TXDR register.
+ (+) CEC_IT_ARBLST : to indicate arbitration lost in the case of two CEC devices
+ starting at the same time.
+ (+) CEC_IT_RXACKE : to indicate a missing acknowledge in receive mode.
+ (+) CEC_IT_LBPE : to indicate a long bit period error generated during receive mode.
+ (+) CEC_IT_SBPE : to indicate a short bit period error generated during receive mode.
+ (+) CEC_IT_BRE : to indicate a bit rising error generated during receive mode.
+ (+) CEC_IT_RXOVR : to indicate if an overrun error occur while receiving a CEC message.
+ A byte is not yet received while a new byte is stored in the RXDR register.
+ (+) CEC_IT_RXEND : to indicate the end Of reception
+ (+) CEC_IT_RXBR : to indicate a new byte has been received from the CEC line and
+ stored into the RXDR buffer.
+ [..]
+ (@)In this Mode it is advised to use the following functions:
+ void CEC_ITConfig( uint16_t CEC_IT, FunctionalState NewState);
+ ITStatus CEC_GetITStatus(uint16_t CEC_IT);
+ void CEC_ClearITPendingBit(uint16_t CEC_IT);
+
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the selected CEC interrupts.
+ * @param CEC_IT: specifies the CEC interrupt source to be enabled.
+ * This parameter can be any combination of the following values:
+ * @arg CEC_IT_TXACKE: Tx Missing acknowledge Error
+ * @arg CEC_IT_TXERR: Tx Error.
+ * @arg CEC_IT_TXUDR: Tx-Buffer Underrun.
+ * @arg CEC_IT_TXEND: End of Transmission (successful transmission of the last byte).
+ * @arg CEC_IT_TXBR: Tx-Byte Request.
+ * @arg CEC_IT_ARBLST: Arbitration Lost
+ * @arg CEC_IT_RXACKE: Rx-Missing Acknowledge
+ * @arg CEC_IT_LBPE: Rx Long period Error
+ * @arg CEC_IT_SBPE: Rx Short period Error
+ * @arg CEC_IT_BRE: Rx Bit Rising Error
+ * @arg CEC_IT_RXOVR: Rx Overrun.
+ * @arg CEC_IT_RXEND: End Of Reception
+ * @arg CEC_IT_RXBR: Rx-Byte Received
+ * @param NewState: new state of the selected CEC interrupts.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void CEC_ITConfig(uint16_t CEC_IT, FunctionalState NewState)
+{
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+ assert_param(IS_CEC_IT(CEC_IT));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected CEC interrupt */
+ CEC->IER |= CEC_IT;
+ }
+ else
+ {
+ CEC_IT =~CEC_IT;
+ /* Disable the selected CEC interrupt */
+ CEC->IER &= CEC_IT;
+ }
+}
+
+/**
+ * @brief Gets the CEC flag status.
+ * @param CEC_FLAG: specifies the CEC flag to check.
+ * This parameter can be one of the following values:
+ * @arg CEC_FLAG_TXACKE: Tx Missing acknowledge Error
+ * @arg CEC_FLAG_TXERR: Tx Error.
+ * @arg CEC_FLAG_TXUDR: Tx-Buffer Underrun.
+ * @arg CEC_FLAG_TXEND: End of transmission (successful transmission of the last byte).
+ * @arg CEC_FLAG_TXBR: Tx-Byte Request.
+ * @arg CEC_FLAG_ARBLST: Arbitration Lost
+ * @arg CEC_FLAG_RXACKE: Rx-Missing Acknowledge
+ * @arg CEC_FLAG_LBPE: Rx Long period Error
+ * @arg CEC_FLAG_SBPE: Rx Short period Error
+ * @arg CEC_FLAG_BRE: Rx Bit Rissing Error
+ * @arg CEC_FLAG_RXOVR: Rx Overrun.
+ * @arg CEC_FLAG_RXEND: End Of Reception.
+ * @arg CEC_FLAG_RXBR: Rx-Byte Received.
+ * @retval The new state of CEC_FLAG (SET or RESET)
+ */
+FlagStatus CEC_GetFlagStatus(uint16_t CEC_FLAG)
+{
+ FlagStatus bitstatus = RESET;
+
+ assert_param(IS_CEC_GET_FLAG(CEC_FLAG));
+
+ /* Check the status of the specified CEC flag */
+ if ((CEC->ISR & CEC_FLAG) != (uint16_t)RESET)
+ {
+ /* CEC flag is set */
+ bitstatus = SET;
+ }
+ else
+ {
+ /* CEC flag is reset */
+ bitstatus = RESET;
+ }
+
+ /* Return the CEC flag status */
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the CEC's pending flags.
+ * @param CEC_FLAG: specifies the flag to clear.
+ * This parameter can be any combination of the following values:
+ * @arg CEC_FLAG_TXACKE: Tx Missing acknowledge Error
+ * @arg CEC_FLAG_TXERR: Tx Error
+ * @arg CEC_FLAG_TXUDR: Tx-Buffer Underrun
+ * @arg CEC_FLAG_TXEND: End of transmission (successful transmission of the last byte).
+ * @arg CEC_FLAG_TXBR: Tx-Byte Request
+ * @arg CEC_FLAG_ARBLST: Arbitration Lost
+ * @arg CEC_FLAG_RXACKE: Rx Missing Acknowledge
+ * @arg CEC_FLAG_LBPE: Rx Long period Error
+ * @arg CEC_FLAG_SBPE: Rx Short period Error
+ * @arg CEC_FLAG_BRE: Rx Bit Rising Error
+ * @arg CEC_FLAG_RXOVR: Rx Overrun
+ * @arg CEC_FLAG_RXEND: End Of Reception
+ * @arg CEC_FLAG_RXBR: Rx-Byte Received
+ * @retval None
+ */
+void CEC_ClearFlag(uint32_t CEC_FLAG)
+{
+ assert_param(IS_CEC_CLEAR_FLAG(CEC_FLAG));
+
+ /* Clear the selected CEC flag */
+ CEC->ISR = CEC_FLAG;
+}
+
+/**
+ * @brief Checks whether the specified CEC interrupt has occurred or not.
+ * @param CEC_IT: specifies the CEC interrupt source to check.
+ * This parameter can be one of the following values:
+ * @arg CEC_IT_TXACKE: Tx Missing acknowledge Error
+ * @arg CEC_IT_TXERR: Tx Error.
+ * @arg CEC_IT_TXUDR: Tx-Buffer Underrun.
+ * @arg CEC_IT_TXEND: End of transmission (successful transmission of the last byte).
+ * @arg CEC_IT_TXBR: Tx-Byte Request.
+ * @arg CEC_IT_ARBLST: Arbitration Lost.
+ * @arg CEC_IT_RXACKE: Rx-Missing Acknowledge.
+ * @arg CEC_IT_LBPE: Rx Long period Error.
+ * @arg CEC_IT_SBPE: Rx Short period Error.
+ * @arg CEC_IT_BRE: Rx Bit Rising Error.
+ * @arg CEC_IT_RXOVR: Rx Overrun.
+ * @arg CEC_IT_RXEND: End Of Reception.
+ * @arg CEC_IT_RXBR: Rx-Byte Received
+ * @retval The new state of CEC_IT (SET or RESET).
+ */
+ITStatus CEC_GetITStatus(uint16_t CEC_IT)
+{
+ ITStatus bitstatus = RESET;
+ uint32_t enablestatus = 0;
+
+ /* Check the parameters */
+ assert_param(IS_CEC_GET_IT(CEC_IT));
+
+ /* Get the CEC IT enable bit status */
+ enablestatus = (CEC->IER & CEC_IT);
+
+ /* Check the status of the specified CEC interrupt */
+ if (((CEC->ISR & CEC_IT) != (uint32_t)RESET) && enablestatus)
+ {
+ /* CEC interrupt is set */
+ bitstatus = SET;
+ }
+ else
+ {
+ /* CEC interrupt is reset */
+ bitstatus = RESET;
+ }
+
+ /* Return the CEC interrupt status */
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the CEC's interrupt pending bits.
+ * @param CEC_IT: specifies the CEC interrupt pending bit to clear.
+ * This parameter can be any combination of the following values:
+ * @arg CEC_IT_TXACKE: Tx Missing acknowledge Error
+ * @arg CEC_IT_TXERR: Tx Error
+ * @arg CEC_IT_TXUDR: Tx-Buffer Underrun
+ * @arg CEC_IT_TXEND: End of Transmission
+ * @arg CEC_IT_TXBR: Tx-Byte Request
+ * @arg CEC_IT_ARBLST: Arbitration Lost
+ * @arg CEC_IT_RXACKE: Rx-Missing Acknowledge
+ * @arg CEC_IT_LBPE: Rx Long period Error
+ * @arg CEC_IT_SBPE: Rx Short period Error
+ * @arg CEC_IT_BRE: Rx Bit Rising Error
+ * @arg CEC_IT_RXOVR: Rx Overrun
+ * @arg CEC_IT_RXEND: End Of Reception
+ * @arg CEC_IT_RXBR: Rx-Byte Received
+ * @retval None
+ */
+void CEC_ClearITPendingBit(uint16_t CEC_IT)
+{
+ assert_param(IS_CEC_IT(CEC_IT));
+
+ /* Clear the selected CEC interrupt pending bits */
+ CEC->ISR = CEC_IT;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_comp.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_comp.c
new file mode 100644
index 00000000..be7249e3
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_comp.c
@@ -0,0 +1,408 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_comp.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the comparators (COMP1 and COMP2) peripheral
+ * applicable only on STM32F051 and STM32F072 devices:
+ * + Comparators configuration
+ * + Window mode control
+ *
+ * @verbatim
+ *
+ ===============================================================================
+ ##### How to use this driver #####
+ ===============================================================================
+ [..]
+
+ The device integrates two analog comparators COMP1 and COMP2:
+ (+) The non inverting input is set to PA1 for COMP1 and to PA3
+ for COMP2.
+
+ (+) The inverting input can be selected among: DAC1_OUT, DAC2_OUT
+ 1/4 VREFINT, 1/2 VERFINT, 3/4 VREFINT, VREFINT,
+ I/O (PA0 for COMP1 and PA2 for COMP2)
+
+ (+) The COMP output is internally is available using COMP_GetOutputLevel()
+ and can be set on GPIO pins: PA0, PA6, PA11 for COMP1
+ and PA2, PA7, PA12 for COMP2
+
+ (+) The COMP output can be redirected to embedded timers (TIM1, TIM2
+ and TIM3)
+
+ (+) The two comparators COMP1 and COMP2 can be combined in window
+ mode and only COMP1 non inverting (PA1) can be used as non-
+ inverting input.
+
+ (+) The two comparators COMP1 and COMP2 have interrupt capability
+ with wake-up from Sleep and Stop modes (through the EXTI controller).
+ COMP1 and COMP2 outputs are internally connected to EXTI Line 21
+ and EXTI Line 22 respectively.
+
+
+ ##### How to configure the comparator #####
+ ===============================================================================
+ [..]
+ This driver provides functions to configure and program the Comparators
+ of all STM32F0xx devices.
+
+ [..] To use the comparator, perform the following steps:
+
+ (#) Enable the SYSCFG APB clock to get write access to comparator
+ register using RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
+
+ (#) Configure the comparator input in analog mode using GPIO_Init()
+
+ (#) Configure the comparator output in alternate function mode
+ using GPIO_Init() and use GPIO_PinAFConfig() function to map the
+ comparator output to the GPIO pin
+
+ (#) Configure the comparator using COMP_Init() function:
+ (++) Select the inverting input
+ (++) Select the output polarity
+ (++) Select the output redirection
+ (++) Select the hysteresis level
+ (++) Select the power mode
+
+ (#) Enable the comparator using COMP_Cmd() function
+
+ (#) If required enable the COMP interrupt by configuring and enabling
+ EXTI line in Interrupt mode and selecting the desired sensitivity
+ level using EXTI_Init() function. After that enable the comparator
+ interrupt vector using NVIC_Init() function.
+
+ @endverbatim
+ *
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_comp.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup COMP
+ * @brief COMP driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* CSR register Mask */
+#define COMP_CSR_CLEAR_MASK ((uint32_t)0x00003FFE)
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup COMP_Private_Functions
+ * @{
+ */
+
+/** @defgroup COMP_Group1 Initialization and Configuration functions
+ * @brief Initialization and Configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Initialization and Configuration functions #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Deinitializes COMP peripheral registers to their default reset values.
+ * @note Deinitialization can't be performed if the COMP configuration is locked.
+ * To unlock the configuration, perform a system reset.
+ * @param None
+ * @retval None
+ */
+void COMP_DeInit(void)
+{
+ COMP->CSR = ((uint32_t)0x00000000); /*!< Set COMP_CSR register to reset value */
+}
+
+/**
+ * @brief Initializes the COMP peripheral according to the specified parameters
+ * in COMP_InitStruct
+ * @note If the selected comparator is locked, initialization can't be performed.
+ * To unlock the configuration, perform a system reset.
+ * @note By default, PA1 is selected as COMP1 non inverting input.
+ * To use PA4 as COMP1 non inverting input call COMP_SwitchCmd() after COMP_Init()
+ * @param COMP_Selection: the selected comparator.
+ * This parameter can be one of the following values:
+ * @arg COMP_Selection_COMP1: COMP1 selected
+ * @arg COMP_Selection_COMP2: COMP2 selected
+ * @param COMP_InitStruct: pointer to an COMP_InitTypeDef structure that contains
+ * the configuration information for the specified COMP peripheral.
+ * @retval None
+ */
+void COMP_Init(uint32_t COMP_Selection, COMP_InitTypeDef* COMP_InitStruct)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_COMP_ALL_PERIPH(COMP_Selection));
+ assert_param(IS_COMP_INVERTING_INPUT(COMP_InitStruct->COMP_InvertingInput));
+ assert_param(IS_COMP_OUTPUT(COMP_InitStruct->COMP_Output));
+ assert_param(IS_COMP_OUTPUT_POL(COMP_InitStruct->COMP_OutputPol));
+ assert_param(IS_COMP_HYSTERESIS(COMP_InitStruct->COMP_Hysteresis));
+ assert_param(IS_COMP_MODE(COMP_InitStruct->COMP_Mode));
+
+ /*!< Get the COMP_CSR register value */
+ tmpreg = COMP->CSR;
+
+ /*!< Clear the COMP1SW1, COMPx_IN_SEL, COMPx_OUT_TIM_SEL, COMPx_POL, COMPx_HYST and COMPx_PWR_MODE bits */
+ tmpreg &= (uint32_t) ~(COMP_CSR_CLEAR_MASK<© COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_crs.h"
+#include "stm32f0xx_rcc.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup CRS
+ * @brief CRS driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* CRS Flag Mask */
+#define FLAG_MASK ((uint32_t)0x700)
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup CRS_Private_Functions
+ * @{
+ */
+
+/** @defgroup CRS_Group1 Configuration of the CRS functions
+ * @brief Configuration of the CRS functions
+ *
+@verbatim
+ ===============================================================================
+ ##### CRS configuration functions #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Deinitializes CRS peripheral registers to their default reset values.
+ * @param None
+ * @retval None
+ */
+void CRS_DeInit(void)
+{
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_CRS, ENABLE);
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_CRS, DISABLE);
+}
+
+/**
+ * @brief Adjusts the Internal High Speed 48 oscillator (HSI 48) calibration value.
+ * @note The calibration is used to compensate for the variations in voltage
+ * and temperature that influence the frequency of the internal HSI48 RC.
+ * @note This function can be called only when the AUTOTRIMEN bit is reset.
+ * @param CRS_HSI48CalibrationValue:
+ * @retval None
+ */
+void CRS_AdjustHSI48CalibrationValue(uint8_t CRS_HSI48CalibrationValue)
+{
+ /* Clear TRIM[5:0] bits */
+ CRS->CR &= ~CRS_CR_TRIM;
+
+ /* Set the TRIM[5:0] bits according to CRS_HSI48CalibrationValue value */
+ CRS->CR |= (uint32_t)((uint32_t)CRS_HSI48CalibrationValue << 8);
+
+}
+
+/**
+ * @brief Enables or disables the oscillator clock for frequency error counter.
+ * @note when the CEN bit is set the CRS_CFGR register becomes write-protected.
+ * @param NewState: new state of the frequency error counter.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void CRS_FrequencyErrorCounterCmd(FunctionalState NewState)
+{
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ CRS->CR |= CRS_CR_CEN;
+ }
+ else
+ {
+ CRS->CR &= ~CRS_CR_CEN;
+ }
+}
+
+/**
+ * @brief Enables or disables the automatic hardware adjustement of TRIM bits.
+ * @note When the AUTOTRIMEN bit is set the CRS_CFGR register becomes write-protected.
+ * @param NewState: new state of the automatic trimming.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void CRS_AutomaticCalibrationCmd(FunctionalState NewState)
+{
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ CRS->CR |= CRS_CR_AUTOTRIMEN;
+ }
+else
+ {
+ CRS->CR &= ~CRS_CR_AUTOTRIMEN;
+ }
+}
+
+/**
+ * @brief Generate the software synchronization event
+ * @param None
+ * @retval None
+ */
+void CRS_SoftwareSynchronizationGenerate(void)
+{
+ CRS->CR |= CRS_CR_SWSYNC;
+}
+
+/**
+ * @brief Adjusts the Internal High Speed 48 oscillator (HSI 48) calibration value.
+ * @note The calibration is used to compensate for the variations in voltage
+ * and temperature that influence the frequency of the internal HSI48 RC.
+ * @note This function can be called only when the CEN bit is reset.
+ * @param CRS_ReloadValue: specifies the HSI calibration trimming value.
+ * This parameter must be a number between 0 and .
+ * @retval None
+ */
+void CRS_FrequencyErrorCounterReload(uint32_t CRS_ReloadValue)
+{
+
+ /* Clear RELOAD[15:0] bits */
+ CRS->CFGR &= ~CRS_CFGR_RELOAD;
+
+ /* Set the RELOAD[15:0] bits according to CRS_ReloadValue value */
+ CRS->CFGR |= (uint32_t)CRS_ReloadValue;
+
+}
+
+/**
+ * @brief
+ * @note This function can be called only when the CEN bit is reset.
+ * @param CRS_ErrorLimitValue: specifies the HSI calibration trimming value.
+ * This parameter must be a number between 0 and .
+ * @retval None
+ */
+void CRS_FrequencyErrorLimitConfig(uint8_t CRS_ErrorLimitValue)
+{
+ /* Clear FELIM[7:0] bits */
+ CRS->CFGR &= ~CRS_CFGR_FELIM;
+
+ /* Set the FELIM[7:0] bits according to CRS_ErrorLimitValue value */
+ CRS->CFGR |= (uint32_t)CRS_ErrorLimitValue;
+}
+
+/**
+ * @brief
+ * @note This function can be called only when the CEN bit is reset.
+ * @param CRS_Prescaler: specifies the HSI calibration trimming value.
+ * This parameter can be one of the following values:
+ * @arg CRS_SYNC_Div1:
+ * @arg CRS_SYNC_Div2:
+ * @arg CRS_SYNC_Div4:
+ * @arg CRS_SYNC_Div8:
+ * @arg CRS_SYNC_Div16:
+ * @arg CRS_SYNC_Div32:
+ * @arg CRS_SYNC_Div64:
+ * @arg CRS_SYNC_Div128:
+ * @retval None
+ */
+void CRS_SynchronizationPrescalerConfig(uint32_t CRS_Prescaler)
+{
+ /* Check the parameters */
+ assert_param(IS_CRS_SYNC_DIV(CRS_Prescaler));
+
+ /* Clear SYNCDIV[2:0] bits */
+ CRS->CFGR &= ~CRS_CFGR_SYNCDIV;
+
+ /* Set the CRS_CFGR_SYNCDIV[2:0] bits according to CRS_Prescaler value */
+ CRS->CFGR |= CRS_Prescaler;
+}
+
+/**
+ * @brief
+ * @note This function can be called only when the CEN bit is reset.
+ * @param CRS_Source: .
+ * This parameter can be one of the following values:
+ * @arg CRS_SYNCSource_GPIO:
+ * @arg CRS_SYNCSource_LSE:
+ * @arg CRS_SYNCSource_USB:
+ * @retval None
+ */
+void CRS_SynchronizationSourceConfig(uint32_t CRS_Source)
+{
+ /* Check the parameters */
+ assert_param(IS_CRS_SYNC_SOURCE(CRS_Source));
+
+ /* Clear SYNCSRC[1:0] bits */
+ CRS->CFGR &= ~CRS_CFGR_SYNCSRC;
+
+ /* Set the SYNCSRC[1:0] bits according to CRS_Source value */
+ CRS->CFGR |= CRS_Source;
+}
+
+/**
+ * @brief
+ * @note This function can be called only when the CEN bit is reset.
+ * @param CRS_Polarity: .
+ * This parameter can be one of the following values:
+ * @arg CRS_SYNCPolarity_Rising:
+ * @arg CRS_SYNCPolarity_Falling:
+ * @retval None
+ */
+void CRS_SynchronizationPolarityConfig(uint32_t CRS_Polarity)
+{
+ /* Check the parameters */
+ assert_param(IS_CRS_SYNC_POLARITY(CRS_Polarity));
+
+ /* Clear SYNCSPOL bit */
+ CRS->CFGR &= ~CRS_CFGR_SYNCPOL;
+
+ /* Set the SYNCSPOL bits according to CRS_Polarity value */
+ CRS->CFGR |= CRS_Polarity;
+}
+
+/**
+ * @brief Returns the Relaod value.
+ * @param None
+ * @retval The reload value
+ */
+uint32_t CRS_GetReloadValue(void)
+{
+ return ((uint32_t)(CRS->CFGR & CRS_CFGR_RELOAD));
+}
+
+/**
+ * @brief Returns the HSI48 Calibration value.
+ * @param None
+ * @retval The reload value
+ */
+uint32_t CRS_GetHSI48CalibrationValue(void)
+{
+ return (((uint32_t)(CRS->CR & CRS_CR_TRIM)) >> 8);
+}
+
+/**
+ * @brief Returns the frequency error capture.
+ * @param None
+ * @retval The frequency error capture value
+ */
+uint32_t CRS_GetFrequencyErrorValue(void)
+{
+ return ((uint32_t)(CRS->ISR & CRS_ISR_FECAP));
+}
+
+/**
+ * @brief Returns the frequency error direction.
+ * @param None
+ * @retval The frequency error direction. The returned value can be one
+ * of the following values:
+ * - 0x00: Up counting
+ * - 0x8000: Down counting
+ */
+uint32_t CRS_GetFrequencyErrorDirection(void)
+{
+ return ((uint32_t)(CRS->ISR & CRS_ISR_FEDIR));
+}
+
+/** @defgroup CRS_Group2 Interrupts and flags management functions
+ * @brief Interrupts and flags management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Interrupts and flags management functions #####
+ ===============================================================================
+@endverbatim
+ * @{
+ */
+/**
+ * @brief Enables or disables the specified CRS interrupts.
+ * @param CRS_IT: specifies the RCC interrupt sources to be enabled or disabled.
+ * This parameter can be any combination of the following values:
+ * @arg CRS_IT_SYNCOK:
+ * @arg CRS_IT_SYNCWARN:
+ * @arg CRS_IT_ERR:
+ * @arg CRS_IT_ESYNC:
+ * @param NewState: new state of the specified CRS interrupts.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void CRS_ITConfig(uint32_t CRS_IT, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_CRS_IT(CRS_IT));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ CRS->CR |= CRS_IT;
+ }
+ else
+ {
+ CRS->CR &= ~CRS_IT;
+ }
+}
+
+/**
+ * @brief Checks whether the specified CRS flag is set or not.
+ * @param CRS_FLAG: specifies the flag to check.
+ * This parameter can be one of the following values:
+ * @arg CRS_FLAG_SYNCOK:
+ * @arg CRS_FLAG_SYNCWARN:
+ * @arg CRS_FLAG_ERR:
+ * @arg CRS_FLAG_ESYNC:
+ * @arg CRS_FLAG_TRIMOVF:
+ * @arg CRS_FLAG_SYNCERR:
+ * @arg CRS_FLAG_SYNCMISS:
+ * @retval The new state of CRS_FLAG (SET or RESET).
+ */
+FlagStatus CRS_GetFlagStatus(uint32_t CRS_FLAG)
+{
+ /* Check the parameters */
+ assert_param(IS_CRS_FLAG(CRS_FLAG));
+
+ return ((FlagStatus)(CRS->ISR & CRS_FLAG));
+}
+
+/**
+ * @brief Clears the CRS specified FLAG.
+ * @param CRS_FLAG: specifies the flag to check.
+ * This parameter can be one of the following values:
+ * @arg CRS_FLAG_SYNCOK:
+ * @arg CRS_FLAG_SYNCWARN:
+ * @arg CRS_FLAG_ERR:
+ * @arg CRS_FLAG_ESYNC:
+ * @arg CRS_FLAG_TRIMOVF:
+ * @arg CRS_FLAG_SYNCERR:
+ * @arg CRS_FLAG_SYNCMISS:
+ * @retval None
+ */
+void CRS_ClearFlag(uint32_t CRS_FLAG)
+{
+ /* Check the parameters */
+ assert_param(IS_CRS_FLAG(CRS_FLAG));
+
+ if ((CRS_FLAG & FLAG_MASK)!= 0)
+ {
+ CRS->ICR |= CRS_ICR_ERRC;
+ }
+ else
+ {
+ CRS->ICR |= CRS_FLAG;
+ }
+}
+
+/**
+ * @brief Checks whether the specified CRS IT pending bit is set or not.
+ * @param CRS_IT: specifies the IT pending bit to check.
+ * This parameter can be one of the following values:
+ * @arg CRS_IT_SYNCOK:
+ * @arg CRS_IT_SYNCWARN:
+ * @arg CRS_IT_ERR:
+ * @arg CRS_IT_ESYNC:
+ * @arg CRS_IT_TRIMOVF:
+ * @arg CRS_IT_SYNCERR:
+ * @arg CRS_IT_SYNCMISS:
+ * @retval The new state of CRS_IT (SET or RESET).
+ */
+ITStatus CRS_GetITStatus(uint32_t CRS_IT)
+{
+ /* Check the parameters */
+ assert_param(IS_CRS_GET_IT(CRS_IT));
+
+ return ((ITStatus)(CRS->ISR & CRS_IT));
+}
+
+/**
+ * @brief Clears the CRS specified IT pending bi.
+ * @param CRS_FLAG: specifies the IT pending bi to clear.
+ * This parameter can be one of the following values:
+ * @arg CRS_IT_SYNCOK:
+ * @arg CRS_IT_SYNCWARN:
+ * @arg CRS_IT_ERR:
+ * @arg CRS_IT_ESYNC:
+ * @arg CRS_IT_TRIMOVF:
+ * @arg CRS_IT_SYNCERR:
+ * @arg CRS_IT_SYNCMISS:
+ * @retval None
+ */
+void CRS_ClearITPendingBit(uint32_t CRS_IT)
+{
+ /* Check the parameters */
+ assert_param(IS_CRS_CLEAR_IT(CRS_IT));
+
+ if ((CRS_IT & FLAG_MASK)!= 0)
+ {
+ CRS->ICR |= CRS_ICR_ERRC;
+ }
+ else
+ {
+ CRS->ICR |= CRS_IT;
+ }
+}
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_dac.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_dac.c
new file mode 100644
index 00000000..00527e65
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_dac.c
@@ -0,0 +1,692 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_dac.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the Digital-to-Analog Converter (DAC) peripheral
+ * applicable only on STM32F051 and STM32F072 devices:
+ * + DAC channel configuration: trigger, output buffer, data format
+ * + DMA management
+ * + Interrupts and flags management
+ *
+ * @verbatim
+ *
+ ===============================================================================
+ ##### DAC Peripheral features #####
+ ===============================================================================
+ [..] The device integrates two 12-bit Digital Analog Converters refered as
+ DAC channel1 with DAC_OUT1 (PA4) and DAC_OUT2 (PA5) as outputs.
+
+ [..] Digital to Analog conversion can be non-triggered using DAC_Trigger_None
+ and DAC_OUTx is available once writing to DHRx register using
+ DAC_SetChannel1Data() or DAC_SetChannel2Data()
+
+ [..] Digital to Analog conversion can be triggered by:
+ (#) External event: EXTI Line 9 (any GPIOx_Pin9) using DAC_Trigger_Ext_IT9.
+ The used pin (GPIOx_Pin9) must be configured in input mode.
+
+ (#) Timers TRGO: TIM2, TIM3,TIM7, TIM6 and TIM15
+ (DAC_Trigger_T2_TRGO, DAC_Trigger_T3_TRGO...)
+ The timer TRGO event should be selected using TIM_SelectOutputTrigger()
+
+ (#) Software using DAC_Trigger_Software
+
+ [..] Each DAC integrates an output buffer that can be used to
+ reduce the output impedance, and to drive external loads directly
+ without having to add an external operational amplifier.
+ To enable the output buffer use
+ DAC_InitStructure.DAC_OutputBuffer = DAC_OutputBuffer_Enable;
+
+ [..] Refer to the device datasheet for more details about output impedance
+ value with and without output buffer.
+
+ [..] DAC wave generation feature
+ Both DAC channels can be used to generate
+ 1- Noise wave using DAC_WaveGeneration_Noise
+ 2- Triangle wave using DAC_WaveGeneration_Triangle
+
+ [..] The DAC data format can be:
+ (#) 8-bit right alignment using DAC_Align_8b_R
+ (#) 12-bit left alignment using DAC_Align_12b_L
+ (#) 12-bit right alignment using DAC_Align_12b_R
+
+ [..] The analog output voltage on each DAC channel pin is determined
+ by the following equation: DAC_OUTx = VREF+ * DOR / 4095
+ with DOR is the Data Output Register
+ VEF+ is the input voltage reference (refer to the device datasheet)
+ e.g. To set DAC_OUT1 to 0.7V, use
+ DAC_SetChannel1Data(DAC_Align_12b_R, 868);
+ Assuming that VREF+ = 3.3, DAC_OUT1 = (3.3 * 868) / 4095 = 0.7V
+
+ [..] A DMA1 request can be generated when an external trigger (but not
+ a software trigger) occurs if DMA1 requests are enabled using
+ DAC_DMACmd()
+ DMA1 requests are mapped as following:
+ (+) DAC channel1 is mapped on DMA1 channel3 which must be already
+ configured
+ (+) DAC channel2 is mapped on DMA1 channel4 which must be already
+ configured
+
+ ##### How to use this driver #####
+ ===============================================================================
+ [..]
+ (+) Enable DAC APB1 clock to get write access to DAC registers
+ using RCC_APB1PeriphClockCmd(RCC_APB1Periph_DAC, ENABLE)
+
+ (+) Configure DAC_OUTx (DAC_OUT1: PA4, DAC_OUT2: PA5) in analog mode
+ using GPIO_Init() function
+
+ (+) Configure the DAC channel using DAC_Init()
+
+ (+) Enable the DAC channel using DAC_Cmd()
+
+ @endverbatim
+ *
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_dac.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup DAC
+ * @brief DAC driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* CR register Mask */
+#define CR_CLEAR_MASK ((uint32_t)0x00000FFE) /* check the value of the mask */
+
+/* DAC Dual Channels SWTRIG masks */
+#define DUAL_SWTRIG_SET ((uint32_t)0x00000003) /*!< Only applicable for STM32F072 devices */
+#define DUAL_SWTRIG_RESET ((uint32_t)0xFFFFFFFC) /*!< Only applicable for STM32F072 devices */
+
+/* DHR registers offsets */
+#define DHR12R1_OFFSET ((uint32_t)0x00000008)
+#define DHR12R2_OFFSET ((uint32_t)0x00000014) /*!< Only applicable for STM32F072 devices */
+#define DHR12RD_OFFSET ((uint32_t)0x00000020) /*!< Only applicable for STM32F072 devices */
+
+/* DOR register offset */
+#define DOR_OFFSET ((uint32_t)0x0000002C)
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup DAC_Private_Functions
+ * @{
+ */
+
+/** @defgroup DAC_Group1 DAC channels configuration
+ * @brief DAC channels configuration: trigger, output buffer, data format
+ *
+@verbatim
+ ===============================================================================
+ ##### DAC channels configuration: trigger, output buffer, data format #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Deinitializes the DAC peripheral registers to their default reset values.
+ * @param None
+ * @retval None
+ */
+void DAC_DeInit(void)
+{
+ /* Enable DAC reset state */
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_DAC, ENABLE);
+ /* Release DAC from reset state */
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_DAC, DISABLE);
+}
+
+/**
+ * @brief Initializes the DAC peripheral according to the specified parameters
+ * in the DAC_InitStruct.
+ * @param DAC_Channel: the selected DAC channel.
+ * This parameter can be:
+ * @arg DAC_Channel_1: DAC Channel1 selected
+ * @arg DAC_Channel_2: DAC Channel2 selected, applicable only for STM32F072 devices
+ * @param DAC_InitStruct: pointer to a DAC_InitTypeDef structure that contains
+ * the configuration information for the specified DAC channel.
+ * @retval None
+ */
+void DAC_Init(uint32_t DAC_Channel, DAC_InitTypeDef* DAC_InitStruct)
+{
+ uint32_t tmpreg1 = 0, tmpreg2 = 0;
+
+ /* Check the DAC parameters */
+ assert_param(IS_DAC_TRIGGER(DAC_InitStruct->DAC_Trigger));
+ assert_param(IS_DAC_GENERATE_WAVE(DAC_InitStruct->DAC_WaveGeneration));
+ assert_param(IS_DAC_LFSR_UNMASK_TRIANGLE_AMPLITUDE(DAC_InitStruct->DAC_LFSRUnmask_TriangleAmplitude));
+ assert_param(IS_DAC_OUTPUT_BUFFER_STATE(DAC_InitStruct->DAC_OutputBuffer));
+
+/*---------------------------- DAC CR Configuration --------------------------*/
+ /* Get the DAC CR value */
+ tmpreg1 = DAC->CR;
+ /* Clear BOFFx, TENx, TSELx, WAVEx and MAMPx bits */
+ tmpreg1 &= ~(CR_CLEAR_MASK << DAC_Channel);
+ /* Configure for the selected DAC channel: buffer output, trigger,
+ wave generation, mask/amplitude for wave generation */
+ /* Set TSELx and TENx bits according to DAC_Trigger value */
+ /* Set WAVEx bits according to DAC_WaveGeneration value */
+ /* Set MAMPx bits according to DAC_LFSRUnmask_TriangleAmplitude value */
+ /* Set BOFFx bit according to DAC_OutputBuffer value */
+ tmpreg2 = (DAC_InitStruct->DAC_Trigger | DAC_InitStruct->DAC_WaveGeneration |
+ DAC_InitStruct->DAC_LFSRUnmask_TriangleAmplitude | \
+ DAC_InitStruct->DAC_OutputBuffer);
+ /* Calculate CR register value depending on DAC_Channel */
+ tmpreg1 |= tmpreg2 << DAC_Channel;
+ /* Write to DAC CR */
+ DAC->CR = tmpreg1;
+}
+
+/**
+ * @brief Fills each DAC_InitStruct member with its default value.
+ * @param DAC_InitStruct: pointer to a DAC_InitTypeDef structure which will
+ * be initialized.
+ * @retval None
+ */
+void DAC_StructInit(DAC_InitTypeDef* DAC_InitStruct)
+{
+/*--------------- Reset DAC init structure parameters values -----------------*/
+ /* Initialize the DAC_Trigger member */
+ DAC_InitStruct->DAC_Trigger = DAC_Trigger_None;
+
+ /* Initialize the DAC_WaveGeneration member */
+ DAC_InitStruct->DAC_WaveGeneration = DAC_WaveGeneration_None;
+
+ /* Initialize the DAC_LFSRUnmask_TriangleAmplitude member */
+ DAC_InitStruct->DAC_LFSRUnmask_TriangleAmplitude = DAC_LFSRUnmask_Bit0;
+
+ /* Initialize the DAC_OutputBuffer member */
+ DAC_InitStruct->DAC_OutputBuffer = DAC_OutputBuffer_Enable;
+}
+
+/**
+ * @brief Enables or disables the specified DAC channel.
+ * @param DAC_Channel: The selected DAC channel.
+ * This parameter can be one of the following values:
+ * @arg DAC_Channel_1: DAC Channel1 selected
+ * @arg DAC_Channel_2: DAC Channel2 selected, applicable only for STM32F072 devices
+ * @param NewState: new state of the DAC channel.
+ * This parameter can be: ENABLE or DISABLE.
+ * @note When the DAC channel is enabled the trigger source can no more be modified.
+ * @retval None
+ */
+void DAC_Cmd(uint32_t DAC_Channel, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_DAC_CHANNEL(DAC_Channel));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected DAC channel */
+ DAC->CR |= (DAC_CR_EN1 << DAC_Channel);
+ }
+ else
+ {
+ /* Disable the selected DAC channel */
+ DAC->CR &= (~(DAC_CR_EN1 << DAC_Channel));
+ }
+}
+
+/**
+ * @brief Enables or disables the selected DAC channel software trigger.
+ * @param DAC_Channel: The selected DAC channel.
+ * This parameter can be one of the following values:
+ * @arg DAC_Channel_1: DAC Channel1 selected
+ * @arg DAC_Channel_2: DAC Channel2 selected, applicable only for STM32F072 devices
+ * @param NewState: new state of the selected DAC channel software trigger.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void DAC_SoftwareTriggerCmd(uint32_t DAC_Channel, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_DAC_CHANNEL(DAC_Channel));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable software trigger for the selected DAC channel */
+ DAC->SWTRIGR |= (uint32_t)DAC_SWTRIGR_SWTRIG1 << (DAC_Channel >> 4);
+ }
+ else
+ {
+ /* Disable software trigger for the selected DAC channel */
+ DAC->SWTRIGR &= ~((uint32_t)DAC_SWTRIGR_SWTRIG1 << (DAC_Channel >> 4));
+ }
+}
+
+/**
+ * @brief Enables or disables simultaneously the two DAC channels software triggers.
+ * This function is applicable only for STM32F072 devices.
+ * @param NewState: new state of the DAC channels software triggers.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void DAC_DualSoftwareTriggerCmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable software trigger for both DAC channels */
+ DAC->SWTRIGR |= DUAL_SWTRIG_SET;
+ }
+ else
+ {
+ /* Disable software trigger for both DAC channels */
+ DAC->SWTRIGR &= DUAL_SWTRIG_RESET;
+ }
+}
+
+/**
+ * @brief Enables or disables the selected DAC channel wave generation.
+ * This function is applicable only for STM32F072 devices.
+ * @param DAC_Channel: The selected DAC channel.
+ * This parameter can be:
+ * @arg DAC_Channel_1: DAC Channel1 selected
+ * @arg DAC_Channel_2: DAC Channel2 selected
+ * @param DAC_Wave: specifies the wave type to enable or disable.
+ * This parameter can be:
+ * @arg DAC_Wave_Noise: noise wave generation
+ * @arg DAC_Wave_Triangle: triangle wave generation
+ * @param NewState: new state of the selected DAC channel wave generation.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void DAC_WaveGenerationCmd(uint32_t DAC_Channel, uint32_t DAC_Wave, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_DAC_CHANNEL(DAC_Channel));
+ assert_param(IS_DAC_WAVE(DAC_Wave));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected wave generation for the selected DAC channel */
+ DAC->CR |= DAC_Wave << DAC_Channel;
+ }
+ else
+ {
+ /* Disable the selected wave generation for the selected DAC channel */
+ DAC->CR &= ~(DAC_Wave << DAC_Channel);
+ }
+}
+
+/**
+ * @brief Set the specified data holding register value for DAC channel1.
+ * @param DAC_Align: Specifies the data alignment for DAC channel1.
+ * This parameter can be one of the following values:
+ * @arg DAC_Align_8b_R: 8bit right data alignment selected
+ * @arg DAC_Align_12b_L: 12bit left data alignment selected
+ * @arg DAC_Align_12b_R: 12bit right data alignment selected
+ * @param Data: Data to be loaded in the selected data holding register.
+ * @retval None
+ */
+void DAC_SetChannel1Data(uint32_t DAC_Align, uint16_t Data)
+{
+ __IO uint32_t tmp = 0;
+
+ /* Check the parameters */
+ assert_param(IS_DAC_ALIGN(DAC_Align));
+ assert_param(IS_DAC_DATA(Data));
+
+ tmp = (uint32_t)DAC_BASE;
+ tmp += DHR12R1_OFFSET + DAC_Align;
+
+ /* Set the DAC channel1 selected data holding register */
+ *(__IO uint32_t *) tmp = Data;
+}
+
+/**
+ * @brief Sets the specified data holding register value for DAC channel2.
+ * This function is applicable only for STM32F072 devices.
+ * @param DAC_Align: Specifies the data alignment for DAC channel2.
+ * This parameter can be:
+ * @arg DAC_Align_8b_R: 8bit right data alignment selected
+ * @arg DAC_Align_12b_L: 12bit left data alignment selected
+ * @arg DAC_Align_12b_R: 12bit right data alignment selected
+ * @param Data: Data to be loaded in the selected data holding register.
+ * @retval None
+ */
+void DAC_SetChannel2Data(uint32_t DAC_Align, uint16_t Data)
+{
+ __IO uint32_t tmp = 0;
+
+ /* Check the parameters */
+ assert_param(IS_DAC_ALIGN(DAC_Align));
+ assert_param(IS_DAC_DATA(Data));
+
+ tmp = (uint32_t)DAC_BASE;
+ tmp += DHR12R2_OFFSET + DAC_Align;
+
+ /* Set the DAC channel2 selected data holding register */
+ *(__IO uint32_t *)tmp = Data;
+}
+
+/**
+ * @brief Sets the specified data holding register value for dual channel DAC.
+ * This function is applicable only for STM32F072 devices.
+ * @param DAC_Align: Specifies the data alignment for dual channel DAC.
+ * This parameter can be:
+ * @arg DAC_Align_8b_R: 8bit right data alignment selected
+ * @arg DAC_Align_12b_L: 12bit left data alignment selected
+ * @arg DAC_Align_12b_R: 12bit right data alignment selected
+ * @param Data2: Data for DAC Channel2 to be loaded in the selected data holding register.
+ * @param Data1: Data for DAC Channel1 to be loaded in the selected data holding register.
+ * @note In dual mode, a unique register access is required to write in both
+ * DAC channels at the same time.
+ * @retval None
+ */
+void DAC_SetDualChannelData(uint32_t DAC_Align, uint16_t Data2, uint16_t Data1)
+{
+ uint32_t data = 0, tmp = 0;
+
+ /* Check the parameters */
+ assert_param(IS_DAC_ALIGN(DAC_Align));
+ assert_param(IS_DAC_DATA(Data1));
+ assert_param(IS_DAC_DATA(Data2));
+
+ /* Calculate and set dual DAC data holding register value */
+ if (DAC_Align == DAC_Align_8b_R)
+ {
+ data = ((uint32_t)Data2 << 8) | Data1;
+ }
+ else
+ {
+ data = ((uint32_t)Data2 << 16) | Data1;
+ }
+
+ tmp = (uint32_t)DAC_BASE;
+ tmp += DHR12RD_OFFSET + DAC_Align;
+
+ /* Set the dual DAC selected data holding register */
+ *(__IO uint32_t *)tmp = data;
+}
+
+/**
+ * @brief Returns the last data output value of the selected DAC channel.
+ * @param DAC_Channel: The selected DAC channel.
+ * This parameter can be one of the following values:
+ * @arg DAC_Channel_1: DAC Channel1 selected
+ * @arg DAC_Channel_2: DAC Channel2 selected, applicable only for STM32F072 devices
+ * @retval The selected DAC channel data output value.
+ */
+uint16_t DAC_GetDataOutputValue(uint32_t DAC_Channel)
+{
+ __IO uint32_t tmp = 0;
+
+ /* Check the parameters */
+ assert_param(IS_DAC_CHANNEL(DAC_Channel));
+
+ tmp = (uint32_t) DAC_BASE ;
+ tmp += DOR_OFFSET + ((uint32_t)DAC_Channel >> 2);
+
+ /* Returns the DAC channel data output register value */
+ return (uint16_t) (*(__IO uint32_t*) tmp);
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup DAC_Group2 DMA management functions
+ * @brief DMA management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### DMA management functions #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the specified DAC channel DMA request.
+ * When enabled DMA1 is generated when an external trigger (EXTI Line9,
+ * TIM2, TIM3, TIM6 or TIM15 but not a software trigger) occurs
+ * @param DAC_Channel: the selected DAC channel.
+ * This parameter can be one of the following values:
+ * @arg DAC_Channel_1: DAC Channel1 selected
+ * @arg DAC_Channel_2: DAC Channel2 selected, applicable only for STM32F072 devices
+ * @param NewState: new state of the selected DAC channel DMA request.
+ * This parameter can be: ENABLE or DISABLE.
+ * @note The DAC channel1 is mapped on DMA1 channel3 which must be already configured.
+ * @note The DAC channel2 is mapped on DMA1 channel4 which must be already configured.
+ * @retval None
+ */
+void DAC_DMACmd(uint32_t DAC_Channel, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_DAC_CHANNEL(DAC_Channel));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected DAC channel DMA request */
+ DAC->CR |= (DAC_CR_DMAEN1 << DAC_Channel);
+ }
+ else
+ {
+ /* Disable the selected DAC channel DMA request */
+ DAC->CR &= (~(DAC_CR_DMAEN1 << DAC_Channel));
+ }
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup DAC_Group3 Interrupts and flags management functions
+ * @brief Interrupts and flags management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Interrupts and flags management functions #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the specified DAC interrupts.
+ * @param DAC_Channel: The selected DAC channel.
+ * This parameter can be:
+ * @arg DAC_Channel_1: DAC Channel1 selected
+ * @arg DAC_Channel_2: DAC Channel2 selected, applicable only for STM32F072 devices
+ * @param DAC_IT: specifies the DAC interrupt sources to be enabled or disabled.
+ * This parameter can be the following values:
+ * @arg DAC_IT_DMAUDR: DMA underrun interrupt mask
+ * @note The DMA underrun occurs when a second external trigger arrives before the
+ * acknowledgement for the first external trigger is received (first request).
+ * @param NewState: new state of the specified DAC interrupts.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void DAC_ITConfig(uint32_t DAC_Channel, uint32_t DAC_IT, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_DAC_CHANNEL(DAC_Channel));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+ assert_param(IS_DAC_IT(DAC_IT));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected DAC interrupts */
+ DAC->CR |= (DAC_IT << DAC_Channel);
+ }
+ else
+ {
+ /* Disable the selected DAC interrupts */
+ DAC->CR &= (~(uint32_t)(DAC_IT << DAC_Channel));
+ }
+}
+
+/**
+ * @brief Checks whether the specified DAC flag is set or not.
+ * @param DAC_Channel: The selected DAC channel.
+ * This parameter can be one of the following values:
+ * @arg DAC_Channel_1: DAC Channel1 selected
+ * @arg DAC_Channel_2: DAC Channel2 selected, applicable only for STM32F072 devices
+ * @param DAC_FLAG: specifies the flag to check.
+ * This parameter can be only of the following value:
+ * @arg DAC_FLAG_DMAUDR: DMA underrun flag
+ * @note The DMA underrun occurs when a second external trigger arrives before the
+ * acknowledgement for the first external trigger is received (first request).
+ * @retval The new state of DAC_FLAG (SET or RESET).
+ */
+FlagStatus DAC_GetFlagStatus(uint32_t DAC_Channel, uint32_t DAC_FLAG)
+{
+ FlagStatus bitstatus = RESET;
+ /* Check the parameters */
+ assert_param(IS_DAC_CHANNEL(DAC_Channel));
+ assert_param(IS_DAC_FLAG(DAC_FLAG));
+
+ /* Check the status of the specified DAC flag */
+ if ((DAC->SR & (DAC_FLAG << DAC_Channel)) != (uint8_t)RESET)
+ {
+ /* DAC_FLAG is set */
+ bitstatus = SET;
+ }
+ else
+ {
+ /* DAC_FLAG is reset */
+ bitstatus = RESET;
+ }
+ /* Return the DAC_FLAG status */
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the DAC channel's pending flags.
+ * @param DAC_Channel: The selected DAC channel.
+ * This parameter can be one of the following values:
+ * @arg DAC_Channel_1: DAC Channel1 selected
+ * @arg DAC_Channel_2: DAC Channel2 selected, applicable only for STM32F072 devices
+ * @param DAC_FLAG: specifies the flag to clear.
+ * This parameter can be of the following value:
+ * @arg DAC_FLAG_DMAUDR: DMA underrun flag
+ * @retval None
+ */
+void DAC_ClearFlag(uint32_t DAC_Channel, uint32_t DAC_FLAG)
+{
+ /* Check the parameters */
+ assert_param(IS_DAC_CHANNEL(DAC_Channel));
+ assert_param(IS_DAC_FLAG(DAC_FLAG));
+
+ /* Clear the selected DAC flags */
+ DAC->SR = (DAC_FLAG << DAC_Channel);
+}
+
+/**
+ * @brief Checks whether the specified DAC interrupt has occurred or not.
+ * @param DAC_Channel: The selected DAC channel.
+ * This parameter can be one of the following values:
+ * @arg DAC_Channel_1: DAC Channel1 selected
+ * @arg DAC_Channel_2: DAC Channel2 selected, applicable only for STM32F072 devices
+ * @param DAC_IT: specifies the DAC interrupt source to check.
+ * This parameter can be the following values:
+ * @arg DAC_IT_DMAUDR: DMA underrun interrupt mask
+ * @note The DMA underrun occurs when a second external trigger arrives before the
+ * acknowledgement for the first external trigger is received (first request).
+ * @retval The new state of DAC_IT (SET or RESET).
+ */
+ITStatus DAC_GetITStatus(uint32_t DAC_Channel, uint32_t DAC_IT)
+{
+ ITStatus bitstatus = RESET;
+ uint32_t enablestatus = 0;
+
+ /* Check the parameters */
+ assert_param(IS_DAC_CHANNEL(DAC_Channel));
+ assert_param(IS_DAC_IT(DAC_IT));
+
+ /* Get the DAC_IT enable bit status */
+ enablestatus = (DAC->CR & (DAC_IT << DAC_Channel)) ;
+
+ /* Check the status of the specified DAC interrupt */
+ if (((DAC->SR & (DAC_IT << DAC_Channel)) != (uint32_t)RESET) && enablestatus)
+ {
+ /* DAC_IT is set */
+ bitstatus = SET;
+ }
+ else
+ {
+ /* DAC_IT is reset */
+ bitstatus = RESET;
+ }
+ /* Return the DAC_IT status */
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the DAC channel's interrupt pending bits.
+ * @param DAC_Channel: The selected DAC channel.
+ * This parameter can be one of the following values:
+ * @arg DAC_Channel_1: DAC Channel1 selected
+ * @arg DAC_Channel_2: DAC Channel2 selected, applicable only for STM32F072 devices
+ * @param DAC_IT: specifies the DAC interrupt pending bit to clear.
+ * This parameter can be the following values:
+ * @arg DAC_IT_DMAUDR: DMA underrun interrupt mask
+ * @retval None
+ */
+void DAC_ClearITPendingBit(uint32_t DAC_Channel, uint32_t DAC_IT)
+{
+ /* Check the parameters */
+ assert_param(IS_DAC_CHANNEL(DAC_Channel));
+ assert_param(IS_DAC_IT(DAC_IT));
+
+ /* Clear the selected DAC interrupt pending bits */
+ DAC->SR = (DAC_IT << DAC_Channel);
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_dbgmcu.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_dbgmcu.c
new file mode 100644
index 00000000..bb456da5
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_dbgmcu.c
@@ -0,0 +1,218 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_dbgmcu.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the Debug MCU (DBGMCU) peripheral:
+ * + Device and Revision ID management
+ * + Peripherals Configuration
+ * @verbatim
+ * @endverbatim
+ *
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_dbgmcu.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup DBGMCU
+ * @brief DBGMCU driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+#define IDCODE_DEVID_MASK ((uint32_t)0x00000FFF)
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup DBGMCU_Private_Functions
+ * @{
+ */
+
+
+/** @defgroup DBGMCU_Group1 Device and Revision ID management functions
+ * @brief Device and Revision ID management functions
+ *
+@verbatim
+ ==============================================================================
+ ##### Device and Revision ID management functions #####
+ ==============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Returns the device revision identifier.
+ * @param None
+ * @retval Device revision identifier
+ */
+uint32_t DBGMCU_GetREVID(void)
+{
+ return(DBGMCU->IDCODE >> 16);
+}
+
+/**
+ * @brief Returns the device identifier.
+ * @param None
+ * @retval Device identifier
+ */
+uint32_t DBGMCU_GetDEVID(void)
+{
+ return(DBGMCU->IDCODE & IDCODE_DEVID_MASK);
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup DBGMCU_Group2 Peripherals Configuration functions
+ * @brief Peripherals Configuration
+ *
+@verbatim
+ ==============================================================================
+ ##### Peripherals Configuration functions #####
+ ==============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Configures low power mode behavior when the MCU is in Debug mode.
+ * @param DBGMCU_Periph: specifies the low power mode.
+ * This parameter can be any combination of the following values:
+ * @arg DBGMCU_STOP: Keep debugger connection during STOP mode
+ * @arg DBGMCU_STANDBY: Keep debugger connection during STANDBY mode
+ * @param NewState: new state of the specified low power mode in Debug mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void DBGMCU_Config(uint32_t DBGMCU_Periph, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_DBGMCU_PERIPH(DBGMCU_Periph));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ DBGMCU->CR |= DBGMCU_Periph;
+ }
+ else
+ {
+ DBGMCU->CR &= ~DBGMCU_Periph;
+ }
+}
+
+
+/**
+ * @brief Configures APB1 peripheral behavior when the MCU is in Debug mode.
+ * @param DBGMCU_Periph: specifies the APB1 peripheral.
+ * This parameter can be any combination of the following values:
+ * @arg DBGMCU_TIM2_STOP: TIM2 counter stopped when Core is halted,
+ * not applicable for STM32F030 devices
+ * @arg DBGMCU_TIM3_STOP: TIM3 counter stopped when Core is halted
+ * @arg DBGMCU_TIM6_STOP: TIM6 counter stopped when Core is halted
+ * @arg DBGMCU_TIM7_STOP: TIM7 counter stopped when Core is halted,
+ * applicable only for STM32F072 devices
+ * @arg DBGMCU_TIM14_STOP: TIM14 counter stopped when Core is halted
+ * @arg DBGMCU_RTC_STOP: RTC Calendar and Wakeup counter stopped
+ * when Core is halted.
+ * @arg DBGMCU_WWDG_STOP: Debug WWDG stopped when Core is halted
+ * @arg DBGMCU_IWDG_STOP: Debug IWDG stopped when Core is halted
+ * @arg DBGMCU_I2C1_SMBUS_TIMEOUT: I2C1 SMBUS timeout mode stopped
+ * when Core is halted
+ * @arg DBGMCU_CAN1_STOP: Debug CAN1 stopped when Core is halted,
+ * applicable only for STM32F042 and STM32F072 devices
+ * @param NewState: new state of the specified APB1 peripheral in Debug mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void DBGMCU_APB1PeriphConfig(uint32_t DBGMCU_Periph, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_DBGMCU_APB1PERIPH(DBGMCU_Periph));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ DBGMCU->APB1FZ |= DBGMCU_Periph;
+ }
+ else
+ {
+ DBGMCU->APB1FZ &= ~DBGMCU_Periph;
+ }
+}
+
+/**
+ * @brief Configures APB2 peripheral behavior when the MCU is in Debug mode.
+ * @param DBGMCU_Periph: specifies the APB2 peripheral.
+ * This parameter can be any combination of the following values:
+ * @arg DBGMCU_TIM1_STOP: TIM1 counter stopped when Core is halted
+ * @arg DBGMCU_TIM15_STOP: TIM15 counter stopped when Core is halted
+ * @arg DBGMCU_TIM16_STOP: TIM16 counter stopped when Core is halted
+ * @arg DBGMCU_TIM17_STOP: TIM17 counter stopped when Core is halted
+ * @param NewState: new state of the specified APB2 peripheral in Debug mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void DBGMCU_APB2PeriphConfig(uint32_t DBGMCU_Periph, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_DBGMCU_APB2PERIPH(DBGMCU_Periph));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ DBGMCU->APB2FZ |= DBGMCU_Periph;
+ }
+ else
+ {
+ DBGMCU->APB2FZ &= ~DBGMCU_Periph;
+ }
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_dma.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_dma.c
new file mode 100644
index 00000000..a6696f2c
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_dma.c
@@ -0,0 +1,891 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_dma.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the Direct Memory Access controller (DMA):
+ * + Initialization and Configuration
+ * + Data Counter
+ * + Interrupts and flags management
+ *
+ * @verbatim
+ ==============================================================================
+ ##### How to use this driver #####
+ ==============================================================================
+ [..]
+ (#) Enable The DMA controller clock using
+ RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE) function for DMA1.
+ (#) Enable and configure the peripheral to be connected to the DMA channel
+ (except for internal SRAM / FLASH memories: no initialization is necessary).
+ (#) For a given Channel, program the Source and Destination addresses,
+ the transfer Direction, the Buffer Size, the Peripheral and Memory
+ Incrementation mode and Data Size, the Circular or Normal mode,
+ the channel transfer Priority and the Memory-to-Memory transfer
+ mode (if needed) using the DMA_Init() function.
+ (#) Enable the NVIC and the corresponding interrupt(s) using the function
+ DMA_ITConfig() if you need to use DMA interrupts.
+ (#) Enable the DMA channel using the DMA_Cmd() function.
+ (#) Activate the needed channel Request using PPP_DMACmd() function for
+ any PPP peripheral except internal SRAM and FLASH (ie. SPI, USART ...)
+ The function allowing this operation is provided in each PPP peripheral
+ driver (ie. SPI_DMACmd for SPI peripheral).
+ (#) Optionally, you can configure the number of data to be transferred
+ when the channel is disabled (ie. after each Transfer Complete event
+ or when a Transfer Error occurs) using the function DMA_SetCurrDataCounter().
+ And you can get the number of remaining data to be transferred using
+ the function DMA_GetCurrDataCounter() at run time (when the DMA channel is
+ enabled and running).
+ (#) To control DMA events you can use one of the following two methods:
+ (##) Check on DMA channel flags using the function DMA_GetFlagStatus().
+ (##) Use DMA interrupts through the function DMA_ITConfig() at initialization
+ phase and DMA_GetITStatus() function into interrupt routines in
+ communication phase.
+ After checking on a flag you should clear it using DMA_ClearFlag()
+ function. And after checking on an interrupt event you should
+ clear it using DMA_ClearITPendingBit() function.
+ @endverbatim
+ *
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_dma.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup DMA
+ * @brief DMA driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+#define CCR_CLEAR_MASK ((uint32_t)0xFFFF800F) /* DMA Channel config registers Masks */
+#define FLAG_Mask ((uint32_t)0x10000000) /* DMA2 FLAG mask */
+
+/* DMA1 Channelx interrupt pending bit masks */
+#define DMA1_CHANNEL1_IT_MASK ((uint32_t)(DMA_ISR_GIF1 | DMA_ISR_TCIF1 | DMA_ISR_HTIF1 | DMA_ISR_TEIF1))
+#define DMA1_CHANNEL2_IT_MASK ((uint32_t)(DMA_ISR_GIF2 | DMA_ISR_TCIF2 | DMA_ISR_HTIF2 | DMA_ISR_TEIF2))
+#define DMA1_CHANNEL3_IT_MASK ((uint32_t)(DMA_ISR_GIF3 | DMA_ISR_TCIF3 | DMA_ISR_HTIF3 | DMA_ISR_TEIF3))
+#define DMA1_CHANNEL4_IT_MASK ((uint32_t)(DMA_ISR_GIF4 | DMA_ISR_TCIF4 | DMA_ISR_HTIF4 | DMA_ISR_TEIF4))
+#define DMA1_CHANNEL5_IT_MASK ((uint32_t)(DMA_ISR_GIF5 | DMA_ISR_TCIF5 | DMA_ISR_HTIF5 | DMA_ISR_TEIF5))
+#define DMA1_CHANNEL6_IT_MASK ((uint32_t)(DMA_ISR_GIF6 | DMA_ISR_TCIF6 | DMA_ISR_HTIF6 | DMA_ISR_TEIF6)) /*!< Only applicable for STM32F072 and STM32F091 devices */
+#define DMA1_CHANNEL7_IT_MASK ((uint32_t)(DMA_ISR_GIF7 | DMA_ISR_TCIF7 | DMA_ISR_HTIF7 | DMA_ISR_TEIF7)) /*!< Only applicable for STM32F072 and STM32F091 devices */
+
+/* DMA2 Channelx interrupt pending bit masks: Only applicable for STM32F091 devices */
+#define DMA2_CHANNEL1_IT_MASK ((uint32_t)(DMA_ISR_GIF1 | DMA_ISR_TCIF1 | DMA_ISR_HTIF1 | DMA_ISR_TEIF1))
+#define DMA2_CHANNEL2_IT_MASK ((uint32_t)(DMA_ISR_GIF2 | DMA_ISR_TCIF2 | DMA_ISR_HTIF2 | DMA_ISR_TEIF2))
+#define DMA2_CHANNEL3_IT_MASK ((uint32_t)(DMA_ISR_GIF3 | DMA_ISR_TCIF3 | DMA_ISR_HTIF3 | DMA_ISR_TEIF3))
+#define DMA2_CHANNEL4_IT_MASK ((uint32_t)(DMA_ISR_GIF4 | DMA_ISR_TCIF4 | DMA_ISR_HTIF4 | DMA_ISR_TEIF4))
+#define DMA2_CHANNEL5_IT_MASK ((uint32_t)(DMA_ISR_GIF5 | DMA_ISR_TCIF5 | DMA_ISR_HTIF5 | DMA_ISR_TEIF5))
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup DMA_Private_Functions
+ * @{
+ */
+
+/** @defgroup DMA_Group1 Initialization and Configuration functions
+ * @brief Initialization and Configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Initialization and Configuration functions #####
+ ===============================================================================
+ [..] This subsection provides functions allowing to initialize the DMA channel
+ source and destination addresses, incrementation and data sizes, transfer
+ direction, buffer size, circular/normal mode selection, memory-to-memory
+ mode selection and channel priority value.
+ [..] The DMA_Init() function follows the DMA configuration procedures as described
+ in reference manual (RM0091).
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Deinitializes the DMAy Channelx registers to their default reset
+ * values.
+ * @param DMAy_Channelx: where y can be 1 to select the DMA and
+ * x can be 1 to 7 for DMA1 to select the DMA Channel.
+ * @note Channel 6 and 7 are available only for STM32F072 devices.
+ * @retval None
+ */
+void DMA_DeInit(DMA_Channel_TypeDef* DMAy_Channelx)
+{
+ /* Check the parameters */
+ assert_param(IS_DMA_ALL_PERIPH(DMAy_Channelx));
+
+ /* Disable the selected DMAy Channelx */
+ DMAy_Channelx->CCR &= (uint16_t)(~DMA_CCR_EN);
+
+ /* Reset DMAy Channelx control register */
+ DMAy_Channelx->CCR = 0;
+
+ /* Reset DMAy Channelx remaining bytes register */
+ DMAy_Channelx->CNDTR = 0;
+
+ /* Reset DMAy Channelx peripheral address register */
+ DMAy_Channelx->CPAR = 0;
+
+ /* Reset DMAy Channelx memory address register */
+ DMAy_Channelx->CMAR = 0;
+
+ if (DMAy_Channelx == DMA1_Channel1)
+ {
+ /* Reset interrupt pending bits for DMA1 Channel1 */
+ DMA1->IFCR |= DMA1_CHANNEL1_IT_MASK;
+ }
+ else if (DMAy_Channelx == DMA1_Channel2)
+ {
+ /* Reset interrupt pending bits for DMA1 Channel2 */
+ DMA1->IFCR |= DMA1_CHANNEL2_IT_MASK;
+ }
+ else if (DMAy_Channelx == DMA1_Channel3)
+ {
+ /* Reset interrupt pending bits for DMA1 Channel3 */
+ DMA1->IFCR |= DMA1_CHANNEL3_IT_MASK;
+ }
+ else if (DMAy_Channelx == DMA1_Channel4)
+ {
+ /* Reset interrupt pending bits for DMA1 Channel4 */
+ DMA1->IFCR |= DMA1_CHANNEL4_IT_MASK;
+ }
+ else if (DMAy_Channelx == DMA1_Channel5)
+ {
+ /* Reset interrupt pending bits for DMA1 Channel5 */
+ DMA1->IFCR |= DMA1_CHANNEL5_IT_MASK;
+ }
+ else if (DMAy_Channelx == DMA1_Channel6)
+ {
+ /* Reset interrupt pending bits for DMA1 Channel6 */
+ DMA1->IFCR |= DMA1_CHANNEL6_IT_MASK;
+ }
+ else if (DMAy_Channelx == DMA1_Channel7)
+ {
+ /* Reset interrupt pending bits for DMA1 Channel7 */
+ DMA1->IFCR |= DMA1_CHANNEL7_IT_MASK;
+ }
+ else if (DMAy_Channelx == DMA2_Channel1)
+ {
+ /* Reset interrupt pending bits for DMA2 Channel1 */
+ DMA2->IFCR |= DMA2_CHANNEL1_IT_MASK;
+ }
+ else if (DMAy_Channelx == DMA2_Channel2)
+ {
+ /* Reset interrupt pending bits for DMA2 Channel2 */
+ DMA2->IFCR |= DMA2_CHANNEL2_IT_MASK;
+ }
+ else if (DMAy_Channelx == DMA2_Channel3)
+ {
+ /* Reset interrupt pending bits for DMA2 Channel3 */
+ DMA2->IFCR |= DMA2_CHANNEL3_IT_MASK;
+ }
+ else if (DMAy_Channelx == DMA2_Channel4)
+ {
+ /* Reset interrupt pending bits for DMA2 Channel4 */
+ DMA2->IFCR |= DMA2_CHANNEL4_IT_MASK;
+ }
+ else
+ {
+ if (DMAy_Channelx == DMA2_Channel5)
+ {
+ /* Reset interrupt pending bits for DMA2 Channel5 */
+ DMA2->IFCR |= DMA2_CHANNEL5_IT_MASK;
+ }
+ }
+}
+
+/**
+ * @brief Initializes the DMAy Channelx according to the specified parameters
+ * in the DMA_InitStruct.
+ * @param DMAy_Channelx: where y can be 1 to select the DMA and x can be 1 to 7
+ * for DMA1 to select the DMA Channel and 1 to 5 for DMA2 to select the DMA Channel.
+ * @note DMA1 Channel 6 and 7 are available only for STM32F072 and STM32F091 devices.
+ * @note DMA2 Channel 1 to 5 are available only for STM32F091 devices.
+ * @param DMA_InitStruct: pointer to a DMA_InitTypeDef structure that contains
+ * the configuration information for the specified DMA Channel.
+ * @retval None
+ */
+void DMA_Init(DMA_Channel_TypeDef* DMAy_Channelx, DMA_InitTypeDef* DMA_InitStruct)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_DMA_ALL_PERIPH(DMAy_Channelx));
+ assert_param(IS_DMA_DIR(DMA_InitStruct->DMA_DIR));
+ assert_param(IS_DMA_BUFFER_SIZE(DMA_InitStruct->DMA_BufferSize));
+ assert_param(IS_DMA_PERIPHERAL_INC_STATE(DMA_InitStruct->DMA_PeripheralInc));
+ assert_param(IS_DMA_MEMORY_INC_STATE(DMA_InitStruct->DMA_MemoryInc));
+ assert_param(IS_DMA_PERIPHERAL_DATA_SIZE(DMA_InitStruct->DMA_PeripheralDataSize));
+ assert_param(IS_DMA_MEMORY_DATA_SIZE(DMA_InitStruct->DMA_MemoryDataSize));
+ assert_param(IS_DMA_MODE(DMA_InitStruct->DMA_Mode));
+ assert_param(IS_DMA_PRIORITY(DMA_InitStruct->DMA_Priority));
+ assert_param(IS_DMA_M2M_STATE(DMA_InitStruct->DMA_M2M));
+
+/*--------------------------- DMAy Channelx CCR Configuration ----------------*/
+ /* Get the DMAy_Channelx CCR value */
+ tmpreg = DMAy_Channelx->CCR;
+
+ /* Clear MEM2MEM, PL, MSIZE, PSIZE, MINC, PINC, CIRC and DIR bits */
+ tmpreg &= CCR_CLEAR_MASK;
+
+ /* Configure DMAy Channelx: data transfer, data size, priority level and mode */
+ /* Set DIR bit according to DMA_DIR value */
+ /* Set CIRC bit according to DMA_Mode value */
+ /* Set PINC bit according to DMA_PeripheralInc value */
+ /* Set MINC bit according to DMA_MemoryInc value */
+ /* Set PSIZE bits according to DMA_PeripheralDataSize value */
+ /* Set MSIZE bits according to DMA_MemoryDataSize value */
+ /* Set PL bits according to DMA_Priority value */
+ /* Set the MEM2MEM bit according to DMA_M2M value */
+ tmpreg |= DMA_InitStruct->DMA_DIR | DMA_InitStruct->DMA_Mode |
+ DMA_InitStruct->DMA_PeripheralInc | DMA_InitStruct->DMA_MemoryInc |
+ DMA_InitStruct->DMA_PeripheralDataSize | DMA_InitStruct->DMA_MemoryDataSize |
+ DMA_InitStruct->DMA_Priority | DMA_InitStruct->DMA_M2M;
+
+ /* Write to DMAy Channelx CCR */
+ DMAy_Channelx->CCR = tmpreg;
+
+/*--------------------------- DMAy Channelx CNDTR Configuration --------------*/
+ /* Write to DMAy Channelx CNDTR */
+ DMAy_Channelx->CNDTR = DMA_InitStruct->DMA_BufferSize;
+
+/*--------------------------- DMAy Channelx CPAR Configuration ---------------*/
+ /* Write to DMAy Channelx CPAR */
+ DMAy_Channelx->CPAR = DMA_InitStruct->DMA_PeripheralBaseAddr;
+
+/*--------------------------- DMAy Channelx CMAR Configuration ---------------*/
+ /* Write to DMAy Channelx CMAR */
+ DMAy_Channelx->CMAR = DMA_InitStruct->DMA_MemoryBaseAddr;
+}
+
+/**
+ * @brief Fills each DMA_InitStruct member with its default value.
+ * @param DMA_InitStruct: pointer to a DMA_InitTypeDef structure which will
+ * be initialized.
+ * @retval None
+ */
+void DMA_StructInit(DMA_InitTypeDef* DMA_InitStruct)
+{
+/*-------------- Reset DMA init structure parameters values ------------------*/
+ /* Initialize the DMA_PeripheralBaseAddr member */
+ DMA_InitStruct->DMA_PeripheralBaseAddr = 0;
+ /* Initialize the DMA_MemoryBaseAddr member */
+ DMA_InitStruct->DMA_MemoryBaseAddr = 0;
+ /* Initialize the DMA_DIR member */
+ DMA_InitStruct->DMA_DIR = DMA_DIR_PeripheralSRC;
+ /* Initialize the DMA_BufferSize member */
+ DMA_InitStruct->DMA_BufferSize = 0;
+ /* Initialize the DMA_PeripheralInc member */
+ DMA_InitStruct->DMA_PeripheralInc = DMA_PeripheralInc_Disable;
+ /* Initialize the DMA_MemoryInc member */
+ DMA_InitStruct->DMA_MemoryInc = DMA_MemoryInc_Disable;
+ /* Initialize the DMA_PeripheralDataSize member */
+ DMA_InitStruct->DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte;
+ /* Initialize the DMA_MemoryDataSize member */
+ DMA_InitStruct->DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
+ /* Initialize the DMA_Mode member */
+ DMA_InitStruct->DMA_Mode = DMA_Mode_Normal;
+ /* Initialize the DMA_Priority member */
+ DMA_InitStruct->DMA_Priority = DMA_Priority_Low;
+ /* Initialize the DMA_M2M member */
+ DMA_InitStruct->DMA_M2M = DMA_M2M_Disable;
+}
+
+/**
+ * @brief Enables or disables the specified DMAy Channelx.
+ * @param DMAy_Channelx: where y can be 1 to select the DMA and x can be 1 to 7
+ * for DMA1 to select the DMA Channel and 1 to 5 for DMA2 to select the DMA Channel.
+ * @note DMA1 Channel 6 and 7 are available only for STM32F072 and STM32F091 devices.
+ * @note DMA2 Channel 1 to 5 are available only for STM32F091 devices.
+ * @param NewState: new state of the DMAy Channelx.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void DMA_Cmd(DMA_Channel_TypeDef* DMAy_Channelx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_DMA_ALL_PERIPH(DMAy_Channelx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected DMAy Channelx */
+ DMAy_Channelx->CCR |= DMA_CCR_EN;
+ }
+ else
+ {
+ /* Disable the selected DMAy Channelx */
+ DMAy_Channelx->CCR &= (uint16_t)(~DMA_CCR_EN);
+ }
+}
+
+/**
+ * @brief Configure the DMAx channels remapping.
+ * @param DMAy: where x can be 1 or 2 to select the DMA peripheral.
+ * @param DMAy_CHx_RemapRequest: where y can be 1 or 2 to select the DMA and x can be 1 to 7
+ * for DMA1 to select the DMA1 Channel and can be 1 to 5 for DMA2 to select the DMA2 Channel.
+ * @note This function is available only for STM32F091 devices.
+ * @retval None
+ */
+void DMA_RemapConfig(DMA_TypeDef* DMAy, uint32_t DMAx_CHy_RemapRequest)
+{
+ assert_param(IS_DMA_ALL_LIST(DMAy));
+
+ if (DMAy == DMA1)
+ {
+ assert_param(IS_DMA1_REMAP(DMAx_CHy_RemapRequest));
+ }
+ else
+ {
+ assert_param(IS_DMA2_REMAP(DMAx_CHy_RemapRequest));
+ }
+
+ DMAy->RMPCR &= ~((uint32_t)0x0F << (uint32_t)((DMAx_CHy_RemapRequest >> 28) * 4));
+ DMAy->RMPCR |= (uint32_t)(DMAx_CHy_RemapRequest & 0x0FFFFFFF);
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup DMA_Group2 Data Counter functions
+ * @brief Data Counter functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Data Counter functions #####
+ ===============================================================================
+ [..] This subsection provides function allowing to configure and read the buffer
+ size (number of data to be transferred).The DMA data counter can be written
+ only when the DMA channel is disabled (ie. after transfer complete event).
+ [..] The following function can be used to write the Channel data counter value:
+ (+) void DMA_SetCurrDataCounter(DMA_Channel_TypeDef* DMAy_Channelx, uint16_t
+ DataNumber).
+ -@- It is advised to use this function rather than DMA_Init() in situations
+ where only the Data buffer needs to be reloaded.
+ [..] The DMA data counter can be read to indicate the number of remaining transfers
+ for the relative DMA channel. This counter is decremented at the end of each
+ data transfer and when the transfer is complete:
+ (+) If Normal mode is selected: the counter is set to 0.
+ (+) If Circular mode is selected: the counter is reloaded with the initial
+ value(configured before enabling the DMA channel).
+ [..] The following function can be used to read the Channel data counter value:
+ (+) uint16_t DMA_GetCurrDataCounter(DMA_Channel_TypeDef* DMAy_Channelx).
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Sets the number of data units in the current DMAy Channelx transfer.
+ * @param DMAy_Channelx: where y can be 1 to select the DMA and x can be 1 to 7
+ * for DMA1 to select the DMA Channel and 1 to 5 for DMA2 to select the DMA Channel.
+ * @note DMA1 Channel 6 and 7 are available only for STM32F072 and STM32F091 devices.
+ * @note DMA2 Channel 1 to 5 are available only for STM32F091 devices.
+ * @param DataNumber: The number of data units in the current DMAy Channelx
+ * transfer.
+ * @note This function can only be used when the DMAy_Channelx is disabled.
+ * @retval None.
+ */
+void DMA_SetCurrDataCounter(DMA_Channel_TypeDef* DMAy_Channelx, uint16_t DataNumber)
+{
+ /* Check the parameters */
+ assert_param(IS_DMA_ALL_PERIPH(DMAy_Channelx));
+
+/*--------------------------- DMAy Channelx CNDTR Configuration --------------*/
+ /* Write to DMAy Channelx CNDTR */
+ DMAy_Channelx->CNDTR = DataNumber;
+}
+
+/**
+ * @brief Returns the number of remaining data units in the current
+ * DMAy Channelx transfer.
+ * @param DMAy_Channelx: where y can be 1 to select the DMA and x can be 1 to 7
+ * for DMA1 to select the DMA Channel and 1 to 5 for DMA2 to select the DMA Channel.
+ * @note DMA1 Channel 6 and 7 are available only for STM32F072 and STM32F091 devices.
+ * @note DMA2 Channel 1 to 5 are available only for STM32F091 devices.
+ * @retval The number of remaining data units in the current DMAy Channelx
+ * transfer.
+ */
+uint16_t DMA_GetCurrDataCounter(DMA_Channel_TypeDef* DMAy_Channelx)
+{
+ /* Check the parameters */
+ assert_param(IS_DMA_ALL_PERIPH(DMAy_Channelx));
+ /* Return the number of remaining data units for DMAy Channelx */
+ return ((uint16_t)(DMAy_Channelx->CNDTR));
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup DMA_Group3 Interrupts and flags management functions
+ * @brief Interrupts and flags management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Interrupts and flags management functions #####
+ ===============================================================================
+ [..] This subsection provides functions allowing to configure the DMA Interrupts
+ sources and check or clear the flags or pending bits status.
+ The user should identify which mode will be used in his application to manage
+ the DMA controller events: Polling mode or Interrupt mode.
+ *** Polling Mode ***
+ ====================
+ [..] Each DMA channel can be managed through 4 event Flags:(y : DMA Controller
+ number x : DMA channel number ).
+ (#) DMAy_FLAG_TCx : to indicate that a Transfer Complete event occurred.
+ (#) DMAy_FLAG_HTx : to indicate that a Half-Transfer Complete event occurred.
+ (#) DMAy_FLAG_TEx : to indicate that a Transfer Error occurred.
+ (#) DMAy_FLAG_GLx : to indicate that at least one of the events described
+ above occurred.
+ -@- Clearing DMAy_FLAG_GLx results in clearing all other pending flags of the
+ same channel (DMAy_FLAG_TCx, DMAy_FLAG_HTx and DMAy_FLAG_TEx).
+ [..]In this Mode it is advised to use the following functions:
+ (+) FlagStatus DMA_GetFlagStatus(uint32_t DMA_FLAG);
+ (+) void DMA_ClearFlag(uint32_t DMA_FLAG);
+
+ *** Interrupt Mode ***
+ ======================
+ [..] Each DMA channel can be managed through 4 Interrupts:
+ (+) Interrupt Source
+ (##) DMA_IT_TC: specifies the interrupt source for the Transfer Complete
+ event.
+ (##) DMA_IT_HT : specifies the interrupt source for the Half-transfer Complete
+ event.
+ (##) DMA_IT_TE : specifies the interrupt source for the transfer errors event.
+ (##) DMA_IT_GL : to indicate that at least one of the interrupts described
+ above occurred.
+ -@@- Clearing DMA_IT_GL interrupt results in clearing all other interrupts of
+ the same channel (DMA_IT_TCx, DMA_IT_HT and DMA_IT_TE).
+ [..]In this Mode it is advised to use the following functions:
+ (+) void DMA_ITConfig(DMA_Channel_TypeDef* DMAy_Channelx, uint32_t DMA_IT,
+ FunctionalState NewState);
+ (+) ITStatus DMA_GetITStatus(uint32_t DMA_IT);
+ (+) void DMA_ClearITPendingBit(uint32_t DMA_IT);
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the specified DMAy Channelx interrupts.
+ * @param DMAy_Channelx: where y can be 1 to select the DMA and x can be 1 to 7
+ * for DMA1 to select the DMA Channel and 1 to 5 for DMA2 to select the DMA Channel.
+ * @note DMA1 Channel 6 and 7 are available only for STM32F072 and STM32F091 devices.
+ * @note DMA2 Channel 1 to 5 are available only for STM32F091 devices.
+ * @param DMA_IT: specifies the DMA interrupts sources to be enabled
+ * or disabled.
+ * This parameter can be any combination of the following values:
+ * @arg DMA_IT_TC: Transfer complete interrupt mask
+ * @arg DMA_IT_HT: Half transfer interrupt mask
+ * @arg DMA_IT_TE: Transfer error interrupt mask
+ * @param NewState: new state of the specified DMA interrupts.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void DMA_ITConfig(DMA_Channel_TypeDef* DMAy_Channelx, uint32_t DMA_IT, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_DMA_ALL_PERIPH(DMAy_Channelx));
+ assert_param(IS_DMA_CONFIG_IT(DMA_IT));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected DMA interrupts */
+ DMAy_Channelx->CCR |= DMA_IT;
+ }
+ else
+ {
+ /* Disable the selected DMA interrupts */
+ DMAy_Channelx->CCR &= ~DMA_IT;
+ }
+}
+
+/**
+ * @brief Checks whether the specified DMAy Channelx flag is set or not.
+ * @param DMA_FLAG: specifies the flag to check.
+ * This parameter can be one of the following values:
+ * @arg DMA1_FLAG_GL1: DMA1 Channel1 global flag.
+ * @arg DMA1_FLAG_TC1: DMA1 Channel1 transfer complete flag.
+ * @arg DMA1_FLAG_HT1: DMA1 Channel1 half transfer flag.
+ * @arg DMA1_FLAG_TE1: DMA1 Channel1 transfer error flag.
+ * @arg DMA1_FLAG_GL2: DMA1 Channel2 global flag.
+ * @arg DMA1_FLAG_TC2: DMA1 Channel2 transfer complete flag.
+ * @arg DMA1_FLAG_HT2: DMA1 Channel2 half transfer flag.
+ * @arg DMA1_FLAG_TE2: DMA1 Channel2 transfer error flag.
+ * @arg DMA1_FLAG_GL3: DMA1 Channel3 global flag.
+ * @arg DMA1_FLAG_TC3: DMA1 Channel3 transfer complete flag.
+ * @arg DMA1_FLAG_HT3: DMA1 Channel3 half transfer flag.
+ * @arg DMA1_FLAG_TE3: DMA1 Channel3 transfer error flag.
+ * @arg DMA1_FLAG_GL4: DMA1 Channel4 global flag.
+ * @arg DMA1_FLAG_TC4: DMA1 Channel4 transfer complete flag.
+ * @arg DMA1_FLAG_HT4: DMA1 Channel4 half transfer flag.
+ * @arg DMA1_FLAG_TE4: DMA1 Channel4 transfer error flag.
+ * @arg DMA1_FLAG_GL5: DMA1 Channel5 global flag.
+ * @arg DMA1_FLAG_TC5: DMA1 Channel5 transfer complete flag.
+ * @arg DMA1_FLAG_HT5: DMA1 Channel5 half transfer flag.
+ * @arg DMA1_FLAG_TE5: DMA1 Channel5 transfer error flag.
+ * @arg DMA1_FLAG_GL6: DMA1 Channel6 global flag, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_FLAG_TC6: DMA1 Channel6 transfer complete flag, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_FLAG_HT6: DMA1 Channel6 half transfer flag, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_FLAG_TE6: DMA1 Channel6 transfer error flag, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_FLAG_GL7: DMA1 Channel7 global flag, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_FLAG_TC7: DMA1 Channel7 transfer complete flag, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_FLAG_HT7: DMA1 Channel7 half transfer flag, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_FLAG_TE7: DMA1 Channel7 transfer error flag, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA2_FLAG_GL1: DMA2 Channel1 global flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TC1: DMA2 Channel1 transfer complete flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_HT1: DMA2 Channel1 half transfer flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TE1: DMA2 Channel1 transfer error flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_GL2: DMA2 Channel2 global flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TC2: DMA2 Channel2 transfer complete flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_HT2: DMA2 Channel2 half transfer flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TE2: DMA2 Channel2 transfer error flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_GL3: DMA2 Channel3 global flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TC3: DMA2 Channel3 transfer complete flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_HT3: DMA2 Channel3 half transfer flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TE3: DMA2 Channel3 transfer error flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_GL4: DMA2 Channel4 global flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TC4: DMA2 Channel4 transfer complete flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_HT4: DMA2 Channel4 half transfer flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TE4: DMA2 Channel4 transfer error flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_GL5: DMA2 Channel5 global flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TC5: DMA2 Channel5 transfer complete flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_HT5: DMA2 Channel5 half transfer flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TE5: DMA2 Channel5 transfer error flag, applicable only for STM32FO91 devices.
+ * @note The Global flag (DMAy_FLAG_GLx) is set whenever any of the other flags
+ * relative to the same channel is set (Transfer Complete, Half-transfer
+ * Complete or Transfer Error flags: DMAy_FLAG_TCx, DMAy_FLAG_HTx or
+ * DMAy_FLAG_TEx).
+ *
+ * @retval The new state of DMA_FLAG (SET or RESET).
+ */
+FlagStatus DMA_GetFlagStatus(uint32_t DMAy_FLAG)
+{
+ FlagStatus bitstatus = RESET;
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_DMA_GET_FLAG(DMAy_FLAG));
+
+ /* Calculate the used DMAy */
+ if ((DMAy_FLAG & FLAG_Mask) != (uint32_t)RESET)
+ {
+ /* Get DMA2 ISR register value */
+ tmpreg = DMA2->ISR ;
+ }
+ else
+ {
+ /* Get DMA1 ISR register value */
+ tmpreg = DMA1->ISR ;
+ }
+
+ /* Check the status of the specified DMAy flag */
+ if ((tmpreg & DMAy_FLAG) != (uint32_t)RESET)
+ {
+ /* DMAy_FLAG is set */
+ bitstatus = SET;
+ }
+ else
+ {
+ /* DMAy_FLAG is reset */
+ bitstatus = RESET;
+ }
+
+ /* Return the DMAy_FLAG status */
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the DMAy Channelx's pending flags.
+ * @param DMA_FLAG: specifies the flag to clear.
+ * This parameter can be any combination (for the same DMA) of the following values:
+ * @arg DMA1_FLAG_GL1: DMA1 Channel1 global flag.
+ * @arg DMA1_FLAG_TC1: DMA1 Channel1 transfer complete flag.
+ * @arg DMA1_FLAG_HT1: DMA1 Channel1 half transfer flag.
+ * @arg DMA1_FLAG_TE1: DMA1 Channel1 transfer error flag.
+ * @arg DMA1_FLAG_GL2: DMA1 Channel2 global flag.
+ * @arg DMA1_FLAG_TC2: DMA1 Channel2 transfer complete flag.
+ * @arg DMA1_FLAG_HT2: DMA1 Channel2 half transfer flag.
+ * @arg DMA1_FLAG_TE2: DMA1 Channel2 transfer error flag.
+ * @arg DMA1_FLAG_GL3: DMA1 Channel3 global flag.
+ * @arg DMA1_FLAG_TC3: DMA1 Channel3 transfer complete flag.
+ * @arg DMA1_FLAG_HT3: DMA1 Channel3 half transfer flag.
+ * @arg DMA1_FLAG_TE3: DMA1 Channel3 transfer error flag.
+ * @arg DMA1_FLAG_GL4: DMA1 Channel4 global flag.
+ * @arg DMA1_FLAG_TC4: DMA1 Channel4 transfer complete flag.
+ * @arg DMA1_FLAG_HT4: DMA1 Channel4 half transfer flag.
+ * @arg DMA1_FLAG_TE4: DMA1 Channel4 transfer error flag.
+ * @arg DMA1_FLAG_GL5: DMA1 Channel5 global flag.
+ * @arg DMA1_FLAG_TC5: DMA1 Channel5 transfer complete flag.
+ * @arg DMA1_FLAG_HT5: DMA1 Channel5 half transfer flag.
+ * @arg DMA1_FLAG_TE5: DMA1 Channel5 transfer error flag.
+ * @arg DMA1_FLAG_GL6: DMA1 Channel6 global flag, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_FLAG_TC6: DMA1 Channel6 transfer complete flag, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_FLAG_HT6: DMA1 Channel6 half transfer flag, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_FLAG_TE6: DMA1 Channel6 transfer error flag, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_FLAG_GL7: DMA1 Channel7 global flag, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_FLAG_TC7: DMA1 Channel7 transfer complete flag, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_FLAG_HT7: DMA1 Channel7 half transfer flag, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_FLAG_TE7: DMA1 Channel7 transfer error flag, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA2_FLAG_GL1: DMA2 Channel1 global flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TC1: DMA2 Channel1 transfer complete flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_HT1: DMA2 Channel1 half transfer flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TE1: DMA2 Channel1 transfer error flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_GL2: DMA2 Channel2 global flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TC2: DMA2 Channel2 transfer complete flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_HT2: DMA2 Channel2 half transfer flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TE2: DMA2 Channel2 transfer error flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_GL3: DMA2 Channel3 global flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TC3: DMA2 Channel3 transfer complete flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_HT3: DMA2 Channel3 half transfer flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TE3: DMA2 Channel3 transfer error flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_GL4: DMA2 Channel4 global flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TC4: DMA2 Channel4 transfer complete flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_HT4: DMA2 Channel4 half transfer flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TE4: DMA2 Channel4 transfer error flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_GL5: DMA2 Channel5 global flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TC5: DMA2 Channel5 transfer complete flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_HT5: DMA2 Channel5 half transfer flag, applicable only for STM32FO91 devices.
+ * @arg DMA2_FLAG_TE5: DMA2 Channel5 transfer error flag, applicable only for STM32FO91 devices.
+ *
+ * @note Clearing the Global flag (DMAy_FLAG_GLx) results in clearing all other flags
+ * relative to the same channel (Transfer Complete, Half-transfer Complete and
+ * Transfer Error flags: DMAy_FLAG_TCx, DMAy_FLAG_HTx and DMAy_FLAG_TEx).
+ *
+ * @retval None
+ */
+void DMA_ClearFlag(uint32_t DMAy_FLAG)
+{
+ /* Check the parameters */
+ assert_param(IS_DMA_CLEAR_FLAG(DMAy_FLAG));
+
+/* Calculate the used DMAy */
+ if ((DMAy_FLAG & FLAG_Mask) != (uint32_t)RESET)
+ {
+ /* Clear the selected DMAy flags */
+ DMA2->IFCR = DMAy_FLAG;
+ }
+ else
+ {
+ /* Clear the selected DMAy flags */
+ DMA1->IFCR = DMAy_FLAG;
+ }
+}
+
+/**
+ * @brief Checks whether the specified DMAy Channelx interrupt has occurred or not.
+ * @param DMA_IT: specifies the DMA interrupt source to check.
+ * This parameter can be one of the following values:
+ * @arg DMA1_IT_GL1: DMA1 Channel1 global interrupt.
+ * @arg DMA1_IT_TC1: DMA1 Channel1 transfer complete interrupt.
+ * @arg DMA1_IT_HT1: DMA1 Channel1 half transfer interrupt.
+ * @arg DMA1_IT_TE1: DMA1 Channel1 transfer error interrupt.
+ * @arg DMA1_IT_GL2: DMA1 Channel2 global interrupt.
+ * @arg DMA1_IT_TC2: DMA1 Channel2 transfer complete interrupt.
+ * @arg DMA1_IT_HT2: DMA1 Channel2 half transfer interrupt.
+ * @arg DMA1_IT_TE2: DMA1 Channel2 transfer error interrupt.
+ * @arg DMA1_IT_GL3: DMA1 Channel3 global interrupt.
+ * @arg DMA1_IT_TC3: DMA1 Channel3 transfer complete interrupt.
+ * @arg DMA1_IT_HT3: DMA1 Channel3 half transfer interrupt.
+ * @arg DMA1_IT_TE3: DMA1 Channel3 transfer error interrupt.
+ * @arg DMA1_IT_GL4: DMA1 Channel4 global interrupt.
+ * @arg DMA1_IT_TC4: DMA1 Channel4 transfer complete interrupt.
+ * @arg DMA1_IT_HT4: DMA1 Channel4 half transfer interrupt.
+ * @arg DMA1_IT_TE4: DMA1 Channel4 transfer error interrupt.
+ * @arg DMA1_IT_GL5: DMA1 Channel5 global interrupt.
+ * @arg DMA1_IT_TC5: DMA1 Channel5 transfer complete interrupt.
+ * @arg DMA1_IT_HT5: DMA1 Channel5 half transfer interrupt.
+ * @arg DMA1_IT_TE5: DMA1 Channel5 transfer error interrupt.
+ * @arg DMA1_IT_GL6: DMA1 Channel6 global interrupt, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_IT_TC6: DMA1 Channel6 transfer complete interrupt, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_IT_HT6: DMA1 Channel6 half transfer interrupt, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_IT_TE6: DMA1 Channel6 transfer error interrupt, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_IT_GL7: DMA1 Channel7 global interrupt, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_IT_TC7: DMA1 Channel7 transfer complete interrupt, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_IT_HT7: DMA1 Channel7 half transfer interrupt, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_IT_TE7: DMA1 Channel7 transfer error interrupt, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA2_IT_GL1: DMA2 Channel1 global interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TC1: DMA2 Channel1 transfer complete interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_HT1: DMA2 Channel1 half transfer interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TE1: DMA2 Channel1 transfer error interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_GL2: DMA2 Channel2 global interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TC2: DMA2 Channel2 transfer complete interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_HT2: DMA2 Channel2 half transfer interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TE2: DMA2 Channel2 transfer error interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_GL3: DMA2 Channel3 global interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TC3: DMA2 Channel3 transfer complete interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_HT3: DMA2 Channel3 half transfer interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TE3: DMA2 Channel3 transfer error interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_GL4: DMA2 Channel4 global interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TC4: DMA2 Channel4 transfer complete interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_HT4: DMA2 Channel4 half transfer interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TE4: DMA2 Channel4 transfer error interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_GL5: DMA2 Channel5 global interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TC5: DMA2 Channel5 transfer complete interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_HT5: DMA2 Channel5 half transfer interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TE5: DMA2 Channel5 transfer error interrupt, applicable only for STM32FO91 devices.
+ * @note The Global interrupt (DMAy_FLAG_GLx) is set whenever any of the other
+ * interrupts relative to the same channel is set (Transfer Complete,
+ * Half-transfer Complete or Transfer Error interrupts: DMAy_IT_TCx,
+ * DMAy_IT_HTx or DMAy_IT_TEx).
+ *
+ * @retval The new state of DMA_IT (SET or RESET).
+ */
+ITStatus DMA_GetITStatus(uint32_t DMAy_IT)
+{
+ ITStatus bitstatus = RESET;
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_DMA_GET_IT(DMAy_IT));
+
+ /* Calculate the used DMA */
+ if ((DMAy_IT & FLAG_Mask) != (uint32_t)RESET)
+ {
+ /* Get DMA2 ISR register value */
+ tmpreg = DMA2->ISR;
+ }
+ else
+ {
+ /* Get DMA1 ISR register value */
+ tmpreg = DMA1->ISR;
+ }
+
+ /* Check the status of the specified DMAy interrupt */
+ if ((tmpreg & DMAy_IT) != (uint32_t)RESET)
+ {
+ /* DMAy_IT is set */
+ bitstatus = SET;
+ }
+ else
+ {
+ /* DMAy_IT is reset */
+ bitstatus = RESET;
+ }
+ /* Return the DMAy_IT status */
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the DMAy Channelx's interrupt pending bits.
+ * @param DMA_IT: specifies the DMA interrupt pending bit to clear.
+ * This parameter can be any combination (for the same DMA) of the following values:
+ * @arg DMA1_IT_GL1: DMA1 Channel1 global interrupt.
+ * @arg DMA1_IT_TC1: DMA1 Channel1 transfer complete interrupt.
+ * @arg DMA1_IT_HT1: DMA1 Channel1 half transfer interrupt.
+ * @arg DMA1_IT_TE1: DMA1 Channel1 transfer error interrupt.
+ * @arg DMA1_IT_GL2: DMA1 Channel2 global interrupt.
+ * @arg DMA1_IT_TC2: DMA1 Channel2 transfer complete interrupt.
+ * @arg DMA1_IT_HT2: DMA1 Channel2 half transfer interrupt.
+ * @arg DMA1_IT_TE2: DMA1 Channel2 transfer error interrupt.
+ * @arg DMA1_IT_GL3: DMA1 Channel3 global interrupt.
+ * @arg DMA1_IT_TC3: DMA1 Channel3 transfer complete interrupt.
+ * @arg DMA1_IT_HT3: DMA1 Channel3 half transfer interrupt.
+ * @arg DMA1_IT_TE3: DMA1 Channel3 transfer error interrupt.
+ * @arg DMA1_IT_GL4: DMA1 Channel4 global interrupt.
+ * @arg DMA1_IT_TC4: DMA1 Channel4 transfer complete interrupt.
+ * @arg DMA1_IT_HT4: DMA1 Channel4 half transfer interrupt.
+ * @arg DMA1_IT_TE4: DMA1 Channel4 transfer error interrupt.
+ * @arg DMA1_IT_GL5: DMA1 Channel5 global interrupt.
+ * @arg DMA1_IT_TC5: DMA1 Channel5 transfer complete interrupt.
+ * @arg DMA1_IT_HT5: DMA1 Channel5 half transfer interrupt.
+ * @arg DMA1_IT_TE5: DMA1 Channel5 transfer error interrupt.
+ * @arg DMA1_IT_GL6: DMA1 Channel6 global interrupt, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_IT_TC6: DMA1 Channel6 transfer complete interrupt, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_IT_HT6: DMA1 Channel6 half transfer interrupt, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_IT_TE6: DMA1 Channel6 transfer error interrupt, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_IT_GL7: DMA1 Channel7 global interrupt, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_IT_TC7: DMA1 Channel7 transfer complete interrupt, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_IT_HT7: DMA1 Channel7 half transfer interrupt, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA1_IT_TE7: DMA1 Channel7 transfer error interrupt, applicable only for STM32F072 and STM32FO91 devices.
+ * @arg DMA2_IT_GL1: DMA2 Channel1 global interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TC1: DMA2 Channel1 transfer complete interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_HT1: DMA2 Channel1 half transfer interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TE1: DMA2 Channel1 transfer error interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_GL2: DMA2 Channel2 global interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TC2: DMA2 Channel2 transfer complete interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_HT2: DMA2 Channel2 half transfer interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TE2: DMA2 Channel2 transfer error interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_GL3: DMA2 Channel3 global interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TC3: DMA2 Channel3 transfer complete interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_HT3: DMA2 Channel3 half transfer interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TE3: DMA2 Channel3 transfer error interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_GL4: DMA2 Channel4 global interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TC4: DMA2 Channel4 transfer complete interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_HT4: DMA2 Channel4 half transfer interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TE4: DMA2 Channel4 transfer error interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_GL5: DMA2 Channel5 global interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TC5: DMA2 Channel5 transfer complete interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_HT5: DMA2 Channel5 half transfer interrupt, applicable only for STM32FO91 devices.
+ * @arg DMA2_IT_TE5: DMA2 Channel5 transfer error interrupt, applicable only for STM32FO91 devices.
+ *
+ * @note Clearing the Global interrupt (DMAy_IT_GLx) results in clearing all other
+ * interrupts relative to the same channel (Transfer Complete, Half-transfer
+ * Complete and Transfer Error interrupts: DMAy_IT_TCx, DMAy_IT_HTx and
+ * DMAy_IT_TEx).
+ *
+ * @retval None
+ */
+void DMA_ClearITPendingBit(uint32_t DMAy_IT)
+{
+ /* Check the parameters */
+ assert_param(IS_DMA_CLEAR_IT(DMAy_IT));
+
+ /* Calculate the used DMAy */
+ if ((DMAy_IT & FLAG_Mask) != (uint32_t)RESET)
+ {
+ /* Clear the selected DMAy interrupt pending bits */
+ DMA2->IFCR = DMAy_IT;
+ }
+ else
+ {
+ /* Clear the selected DMAy interrupt pending bits */
+ DMA1->IFCR = DMAy_IT;
+ }
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_exti.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_exti.c
new file mode 100644
index 00000000..5c0bd6a2
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_exti.c
@@ -0,0 +1,314 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_exti.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the EXTI peripheral:
+ * + Initialization and Configuration
+ * + Interrupts and flags management
+ *
+ * @verbatim
+ ==============================================================================
+ ##### EXTI features #####
+ ==============================================================================
+ [..] External interrupt/event lines are mapped as following:
+ (#) All available GPIO pins are connected to the 16 external
+ interrupt/event lines from EXTI0 to EXTI15.
+ (#) EXTI line 16 is connected to the PVD output, not applicable for STM32F030 devices.
+ (#) EXTI line 17 is connected to the RTC Alarm event.
+ (#) EXTI line 18 is connected to the RTC Alarm event, applicable only for STM32F072 devices.
+ (#) EXTI line 19 is connected to the RTC Tamper and TimeStamp events.
+ (#) EXTI line 20 is connected to the RTC wakeup event, applicable only for STM32F072 devices.
+ (#) EXTI line 21 is connected to the Comparator 1 wakeup event, applicable only for STM32F051 and STM32F072 devices.
+ (#) EXTI line 22 is connected to the Comparator 2 wakeup event, applicable only for STM32F051 and STM32F072 devices.
+ (#) EXTI line 23 is connected to the I2C1 wakeup event, not applicable for STM32F030 devices.
+ (#) EXTI line 25 is connected to the USART1 wakeup event, not applicable for STM32F030 devices.
+ (#) EXTI line 26 is connected to the USART2 wakeup event, applicable only for STM32F072 devices.
+ (#) EXTI line 27 is connected to the CEC wakeup event, applicable only for STM32F051 and STM32F072 devices.
+ (#) EXTI line 31 is connected to the VDD USB monitor event, applicable only for STM32F072 devices.
+
+ ##### How to use this driver #####
+ ==============================================================================
+ [..] In order to use an I/O pin as an external interrupt source, follow
+ steps below:
+ (#) Configure the I/O in input mode using GPIO_Init()
+ (#) Select the input source pin for the EXTI line using
+ SYSCFG_EXTILineConfig().
+ (#) Select the mode(interrupt, event) and configure the trigger selection
+ (Rising, falling or both) using EXTI_Init(). For the internal interrupt,
+ the trigger selection is not needed( the active edge is always the rising one).
+ (#) Configure NVIC IRQ channel mapped to the EXTI line using NVIC_Init().
+ (#) Optionally, you can generate a software interrupt using the function EXTI_GenerateSWInterrupt().
+ [..]
+ (@) SYSCFG APB clock must be enabled to get write access to SYSCFG_EXTICRx
+ registers using RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
+ @endverbatim
+ *
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_exti.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup EXTI
+ * @brief EXTI driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+#define EXTI_LINENONE ((uint32_t)0x00000) /* No interrupt selected */
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup EXTI_Private_Functions
+ * @{
+ */
+
+/** @defgroup EXTI_Group1 Initialization and Configuration functions
+ * @brief Initialization and Configuration functions
+ *
+@verbatim
+ ==============================================================================
+ ##### Initialization and Configuration functions #####
+ ==============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Deinitializes the EXTI peripheral registers to their default reset
+ * values.
+ * @param None
+ * @retval None
+ */
+void EXTI_DeInit(void)
+{
+ EXTI->IMR = 0x0F940000;
+ EXTI->EMR = 0x00000000;
+ EXTI->RTSR = 0x00000000;
+ EXTI->FTSR = 0x00000000;
+ EXTI->PR = 0x006BFFFF;
+}
+
+/**
+ * @brief Initializes the EXTI peripheral according to the specified
+ * parameters in the EXTI_InitStruct.
+ * @param EXTI_InitStruct: pointer to a EXTI_InitTypeDef structure that
+ * contains the configuration information for the EXTI peripheral.
+ * @retval None
+ */
+void EXTI_Init(EXTI_InitTypeDef* EXTI_InitStruct)
+{
+ uint32_t tmp = 0;
+
+ /* Check the parameters */
+ assert_param(IS_EXTI_MODE(EXTI_InitStruct->EXTI_Mode));
+ assert_param(IS_EXTI_TRIGGER(EXTI_InitStruct->EXTI_Trigger));
+ assert_param(IS_EXTI_LINE(EXTI_InitStruct->EXTI_Line));
+ assert_param(IS_FUNCTIONAL_STATE(EXTI_InitStruct->EXTI_LineCmd));
+
+ tmp = (uint32_t)EXTI_BASE;
+
+ if (EXTI_InitStruct->EXTI_LineCmd != DISABLE)
+ {
+ /* Clear EXTI line configuration */
+ EXTI->IMR &= ~EXTI_InitStruct->EXTI_Line;
+ EXTI->EMR &= ~EXTI_InitStruct->EXTI_Line;
+
+ tmp += EXTI_InitStruct->EXTI_Mode;
+
+ *(__IO uint32_t *) tmp |= EXTI_InitStruct->EXTI_Line;
+
+ /* Clear Rising Falling edge configuration */
+ EXTI->RTSR &= ~EXTI_InitStruct->EXTI_Line;
+ EXTI->FTSR &= ~EXTI_InitStruct->EXTI_Line;
+
+ /* Select the trigger for the selected interrupts */
+ if (EXTI_InitStruct->EXTI_Trigger == EXTI_Trigger_Rising_Falling)
+ {
+ /* Rising Falling edge */
+ EXTI->RTSR |= EXTI_InitStruct->EXTI_Line;
+ EXTI->FTSR |= EXTI_InitStruct->EXTI_Line;
+ }
+ else
+ {
+ tmp = (uint32_t)EXTI_BASE;
+ tmp += EXTI_InitStruct->EXTI_Trigger;
+
+ *(__IO uint32_t *) tmp |= EXTI_InitStruct->EXTI_Line;
+ }
+ }
+ else
+ {
+ tmp += EXTI_InitStruct->EXTI_Mode;
+
+ /* Disable the selected external lines */
+ *(__IO uint32_t *) tmp &= ~EXTI_InitStruct->EXTI_Line;
+ }
+}
+
+/**
+ * @brief Fills each EXTI_InitStruct member with its reset value.
+ * @param EXTI_InitStruct: pointer to a EXTI_InitTypeDef structure which will
+ * be initialized.
+ * @retval None
+ */
+void EXTI_StructInit(EXTI_InitTypeDef* EXTI_InitStruct)
+{
+ EXTI_InitStruct->EXTI_Line = EXTI_LINENONE;
+ EXTI_InitStruct->EXTI_Mode = EXTI_Mode_Interrupt;
+ EXTI_InitStruct->EXTI_Trigger = EXTI_Trigger_Falling;
+ EXTI_InitStruct->EXTI_LineCmd = DISABLE;
+}
+
+/**
+ * @brief Generates a Software interrupt on selected EXTI line.
+ * @param EXTI_Line: specifies the EXTI line on which the software interrupt
+ * will be generated.
+ * This parameter can be any combination of EXTI_Linex where x can be (0..27).
+ * @retval None
+ */
+void EXTI_GenerateSWInterrupt(uint32_t EXTI_Line)
+{
+ /* Check the parameters */
+ assert_param(IS_EXTI_LINE(EXTI_Line));
+
+ EXTI->SWIER |= EXTI_Line;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup EXTI_Group2 Interrupts and flags management functions
+ * @brief Interrupts and flags management functions
+ *
+@verbatim
+ ==============================================================================
+ ##### Interrupts and flags management functions #####
+ ==============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Checks whether the specified EXTI line flag is set or not.
+ * @param EXTI_Line: specifies the EXTI line flag to check.
+ * This parameter can be EXTI_Linex where x can be (0..27).
+ * @retval The new state of EXTI_Line (SET or RESET).
+ */
+FlagStatus EXTI_GetFlagStatus(uint32_t EXTI_Line)
+{
+ FlagStatus bitstatus = RESET;
+ /* Check the parameters */
+ assert_param(IS_GET_EXTI_LINE(EXTI_Line));
+
+ if ((EXTI->PR & EXTI_Line) != (uint32_t)RESET)
+ {
+ bitstatus = SET;
+ }
+ else
+ {
+ bitstatus = RESET;
+ }
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the EXTI's line pending flags.
+ * @param EXTI_Line: specifies the EXTI lines flags to clear.
+ * This parameter can be any combination of EXTI_Linex where x can be (0..27).
+ * @retval None
+ */
+void EXTI_ClearFlag(uint32_t EXTI_Line)
+{
+ /* Check the parameters */
+ assert_param(IS_EXTI_LINE(EXTI_Line));
+
+ EXTI->PR = EXTI_Line;
+}
+
+/**
+ * @brief Checks whether the specified EXTI line is asserted or not.
+ * @param EXTI_Line: specifies the EXTI line to check.
+ * This parameter can be EXTI_Linex where x can be (0..27).
+ * @retval The new state of EXTI_Line (SET or RESET).
+ */
+ITStatus EXTI_GetITStatus(uint32_t EXTI_Line)
+{
+ ITStatus bitstatus = RESET;
+
+ /* Check the parameters */
+ assert_param(IS_GET_EXTI_LINE(EXTI_Line));
+
+ if ((EXTI->PR & EXTI_Line) != (uint32_t)RESET)
+ {
+ bitstatus = SET;
+ }
+ else
+ {
+ bitstatus = RESET;
+ }
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the EXTI's line pending bits.
+ * @param EXTI_Line: specifies the EXTI lines to clear.
+ * This parameter can be any combination of EXTI_Linex where x can be (0..27).
+ * @retval None
+ */
+void EXTI_ClearITPendingBit(uint32_t EXTI_Line)
+{
+ /* Check the parameters */
+ assert_param(IS_EXTI_LINE(EXTI_Line));
+
+ EXTI->PR = EXTI_Line;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_flash.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_flash.c
new file mode 100644
index 00000000..98ff4aa8
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_flash.c
@@ -0,0 +1,1256 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_flash.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the FLASH peripheral:
+ * - FLASH Interface configuration
+ * - FLASH Memory Programming
+ * - Option Bytes Programming
+ * - Interrupts and flags management
+ *
+ * @verbatim
+ ===============================================================================
+ ##### How to use this driver #####
+ ===============================================================================
+ [..] This driver provides functions to configure and program the Flash
+ memory of all STM32F0xx devices. These functions are split in 4 groups
+ (#) FLASH Interface configuration functions: this group includes the
+ management of following features:
+ (++) Set the latency
+ (++) Enable/Disable the prefetch buffer
+
+ (#) FLASH Memory Programming functions: this group includes all needed
+ functions to erase and program the main memory:
+ (++) Lock and Unlock the Flash interface.
+ (++) Erase function: Erase Page, erase all pages.
+ (++) Program functions: Half Word and Word write.
+
+ (#) FLASH Option Bytes Programming functions: this group includes all
+ needed functions to:
+ (++) Lock and Unlock the Flash Option bytes.
+ (++) Launch the Option Bytes loader
+ (++) Erase the Option Bytes
+ (++)Set/Reset the write protection
+ (++) Set the Read protection Level
+ (++) Program the user option Bytes
+ (++) Set/Reset the BOOT1 bit
+ (++) Enable/Disable the VDDA Analog Monitoring
+ (++) Get the user option bytes
+ (++) Get the Write protection
+ (++) Get the read protection status
+
+ (#) FLASH Interrupts and flag management functions: this group includes
+ all needed functions to:
+ (++) Enable/Disable the flash interrupt sources
+ (++) Get flags status
+ (++) Clear flags
+ (++) Get Flash operation status
+ (++) Wait for last flash operation
+
+ @endverbatim
+
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_flash.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup FLASH
+ * @brief FLASH driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup FLASH_Private_Functions
+ * @{
+ */
+
+/** @defgroup FLASH_Group1 FLASH Interface configuration functions
+ * @brief FLASH Interface configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### FLASH Interface configuration functions #####
+ ===============================================================================
+
+ [..] FLASH_Interface configuration_Functions, includes the following functions:
+ (+) void FLASH_SetLatency(uint32_t FLASH_Latency):
+ [..] To correctly read data from Flash memory, the number of wait states (LATENCY)
+ must be correctly programmed according to the frequency of the CPU clock (HCLK)
+ [..]
+ +--------------------------------------------- +
+ | Wait states | HCLK clock frequency (MHz) |
+ |---------------|------------------------------|
+ |0WS(1CPU cycle)| 0 < HCLK <= 24 |
+ |---------------|------------------------------|
+ |1WS(2CPU cycle)| 24 < HCLK <= 48 |
+ +----------------------------------------------+
+ [..]
+ (+) void FLASH_PrefetchBufferCmd(FunctionalState NewState);
+ [..]
+ All these functions don't need the unlock sequence.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Sets the code latency value.
+ * @param FLASH_Latency: specifies the FLASH Latency value.
+ * This parameter can be one of the following values:
+ * @arg FLASH_Latency_0: FLASH Zero Latency cycle
+ * @arg FLASH_Latency_1: FLASH One Latency cycle
+ * @retval None
+ */
+void FLASH_SetLatency(uint32_t FLASH_Latency)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_FLASH_LATENCY(FLASH_Latency));
+
+ /* Read the ACR register */
+ tmpreg = FLASH->ACR;
+
+ /* Sets the Latency value */
+ tmpreg &= (uint32_t) (~((uint32_t)FLASH_ACR_LATENCY));
+ tmpreg |= FLASH_Latency;
+
+ /* Write the ACR register */
+ FLASH->ACR = tmpreg;
+}
+
+/**
+ * @brief Enables or disables the Prefetch Buffer.
+ * @param NewState: new state of the FLASH prefetch buffer.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void FLASH_PrefetchBufferCmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if(NewState != DISABLE)
+ {
+ FLASH->ACR |= FLASH_ACR_PRFTBE;
+ }
+ else
+ {
+ FLASH->ACR &= (uint32_t)(~((uint32_t)FLASH_ACR_PRFTBE));
+ }
+}
+
+/**
+ * @brief Checks whether the FLASH Prefetch Buffer status is set or not.
+ * @param None
+ * @retval FLASH Prefetch Buffer Status (SET or RESET).
+ */
+FlagStatus FLASH_GetPrefetchBufferStatus(void)
+{
+ FlagStatus bitstatus = RESET;
+
+ if ((FLASH->ACR & FLASH_ACR_PRFTBS) != (uint32_t)RESET)
+ {
+ bitstatus = SET;
+ }
+ else
+ {
+ bitstatus = RESET;
+ }
+ /* Return the new state of FLASH Prefetch Buffer Status (SET or RESET) */
+ return bitstatus;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup FLASH_Group2 FLASH Memory Programming functions
+ * @brief FLASH Memory Programming functions
+ *
+@verbatim
+ ===============================================================================
+ ##### FLASH Memory Programming functions #####
+ ===============================================================================
+
+ [..] The FLASH Memory Programming functions, includes the following functions:
+ (+) void FLASH_Unlock(void);
+ (+) void FLASH_Lock(void);
+ (+) FLASH_Status FLASH_ErasePage(uint32_t Page_Address);
+ (+) FLASH_Status FLASH_EraseAllPages(void);
+ (+) FLASH_Status FLASH_ProgramWord(uint32_t Address, uint32_t Data);
+ (+) FLASH_Status FLASH_ProgramHalfWord(uint32_t Address, uint16_t Data);
+
+ [..] Any operation of erase or program should follow these steps:
+
+ (#) Call the FLASH_Unlock() function to enable the flash control register and
+ program memory access
+ (#) Call the desired function to erase page or program data
+ (#) Call the FLASH_Lock() to disable the flash program memory access
+ (recommended to protect the FLASH memory against possible unwanted operation)
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Unlocks the FLASH control register and program memory access.
+ * @param None
+ * @retval None
+ */
+void FLASH_Unlock(void)
+{
+ if((FLASH->CR & FLASH_CR_LOCK) != RESET)
+ {
+ /* Unlocking the program memory access */
+ FLASH->KEYR = FLASH_FKEY1;
+ FLASH->KEYR = FLASH_FKEY2;
+ }
+}
+
+/**
+ * @brief Locks the Program memory access.
+ * @param None
+ * @retval None
+ */
+void FLASH_Lock(void)
+{
+ /* Set the LOCK Bit to lock the FLASH control register and program memory access */
+ FLASH->CR |= FLASH_CR_LOCK;
+}
+
+/**
+ * @brief Erases a specified page in program memory.
+ * @note To correctly run this function, the FLASH_Unlock() function must be called before.
+ * @note Call the FLASH_Lock() to disable the flash memory access (recommended
+ * to protect the FLASH memory against possible unwanted operation)
+ * @param Page_Address: The page address in program memory to be erased.
+ * @note A Page is erased in the Program memory only if the address to load
+ * is the start address of a page (multiple of 1024 bytes).
+ * @retval FLASH Status: The returned value can be:
+ * FLASH_ERROR_PROGRAM, FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.
+ */
+FLASH_Status FLASH_ErasePage(uint32_t Page_Address)
+{
+ FLASH_Status status = FLASH_COMPLETE;
+
+ /* Check the parameters */
+ assert_param(IS_FLASH_PROGRAM_ADDRESS(Page_Address));
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status == FLASH_COMPLETE)
+ {
+ /* If the previous operation is completed, proceed to erase the page */
+ FLASH->CR |= FLASH_CR_PER;
+ FLASH->AR = Page_Address;
+ FLASH->CR |= FLASH_CR_STRT;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ /* Disable the PER Bit */
+ FLASH->CR &= ~FLASH_CR_PER;
+ }
+
+ /* Return the Erase Status */
+ return status;
+}
+
+/**
+ * @brief Erases all FLASH pages.
+ * @note To correctly run this function, the FLASH_Unlock() function must be called before.
+ * @note Call the FLASH_Lock() to disable the flash memory access (recommended
+ * to protect the FLASH memory against possible unwanted operation)
+ * @param None
+ * @retval FLASH Status: The returned value can be: FLASH_ERROR_PG,
+ * FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.
+ */
+FLASH_Status FLASH_EraseAllPages(void)
+{
+ FLASH_Status status = FLASH_COMPLETE;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status == FLASH_COMPLETE)
+ {
+ /* if the previous operation is completed, proceed to erase all pages */
+ FLASH->CR |= FLASH_CR_MER;
+ FLASH->CR |= FLASH_CR_STRT;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ /* Disable the MER Bit */
+ FLASH->CR &= ~FLASH_CR_MER;
+ }
+
+ /* Return the Erase Status */
+ return status;
+}
+
+/**
+ * @brief Programs a word at a specified address.
+ * @note To correctly run this function, the FLASH_Unlock() function must be called before.
+ * @note Call the FLASH_Lock() to disable the flash memory access (recommended
+ * to protect the FLASH memory against possible unwanted operation)
+ * @param Address: specifies the address to be programmed.
+ * @param Data: specifies the data to be programmed.
+ * @retval FLASH Status: The returned value can be: FLASH_ERROR_PG,
+ * FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.
+ */
+FLASH_Status FLASH_ProgramWord(uint32_t Address, uint32_t Data)
+{
+ FLASH_Status status = FLASH_COMPLETE;
+ __IO uint32_t tmp = 0;
+
+ /* Check the parameters */
+ assert_param(IS_FLASH_PROGRAM_ADDRESS(Address));
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status == FLASH_COMPLETE)
+ {
+ /* If the previous operation is completed, proceed to program the new first
+ half word */
+ FLASH->CR |= FLASH_CR_PG;
+
+ *(__IO uint16_t*)Address = (uint16_t)Data;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status == FLASH_COMPLETE)
+ {
+ /* If the previous operation is completed, proceed to program the new second
+ half word */
+ tmp = Address + 2;
+
+ *(__IO uint16_t*) tmp = Data >> 16;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ /* Disable the PG Bit */
+ FLASH->CR &= ~FLASH_CR_PG;
+ }
+ else
+ {
+ /* Disable the PG Bit */
+ FLASH->CR &= ~FLASH_CR_PG;
+ }
+ }
+
+ /* Return the Program Status */
+ return status;
+}
+
+/**
+ * @brief Programs a half word at a specified address.
+ * @note To correctly run this function, the FLASH_Unlock() function must be called before.
+ * @note Call the FLASH_Lock() to disable the flash memory access (recommended
+ * to protect the FLASH memory against possible unwanted operation)
+ * @param Address: specifies the address to be programmed.
+ * @param Data: specifies the data to be programmed.
+ * @retval FLASH Status: The returned value can be: FLASH_ERROR_PG,
+ * FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.
+ */
+FLASH_Status FLASH_ProgramHalfWord(uint32_t Address, uint16_t Data)
+{
+ FLASH_Status status = FLASH_COMPLETE;
+
+ /* Check the parameters */
+ assert_param(IS_FLASH_PROGRAM_ADDRESS(Address));
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status == FLASH_COMPLETE)
+ {
+ /* If the previous operation is completed, proceed to program the new data */
+ FLASH->CR |= FLASH_CR_PG;
+
+ *(__IO uint16_t*)Address = Data;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ /* Disable the PG Bit */
+ FLASH->CR &= ~FLASH_CR_PG;
+ }
+
+ /* Return the Program Status */
+ return status;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup FLASH_Group3 Option Bytes Programming functions
+ * @brief Option Bytes Programming functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Option Bytes Programming functions #####
+ ===============================================================================
+
+ [..] The FLASH_Option Bytes Programming_functions, includes the following functions:
+ (+) void FLASH_OB_Unlock(void);
+ (+) void FLASH_OB_Lock(void);
+ (+) void FLASH_OB_Launch(void);
+ (+) FLASH_Status FLASH_OB_Erase(void);
+ (+) FLASH_Status FLASH_OB_WRPConfig(uint32_t OB_WRP, FunctionalState NewState);
+ (+) FLASH_Status FLASH_OB_RDPConfig(uint8_t OB_RDP);
+ (+) FLASH_Status FLASH_OB_UserConfig(uint8_t OB_IWDG, uint8_t OB_STOP, uint8_t OB_STDBY);
+ (+) FLASH_Status FLASH_OB_BOOTConfig(uint8_t OB_BOOT1);
+ (+) FLASH_Status FLASH_OB_VDDAConfig(uint8_t OB_VDDA_ANALOG);
+ (+) FLASH_Status FLASH_OB_WriteUser(uint8_t OB_USER);
+ (+) FLASH_OB_ProgramData(uint32_t Address, uint8_t Data);
+ (+) uint8_t FLASH_OB_GetUser(void);
+ (+) uint32_t FLASH_OB_GetWRP(void);
+ (+) FlagStatus FLASH_OB_GetRDP(void);
+
+ [..] Any operation of erase or program should follow these steps:
+
+ (#) Call the FLASH_OB_Unlock() function to enable the Option Bytes registers access
+
+ (#) Call one or several functions to program the desired option bytes
+ (++) FLASH_Status FLASH_OB_RDPConfig(uint8_t OB_RDP) => to set the desired read Protection Level
+ (++) FLASH_Status FLASH_OB_WRPConfig(uint32_t OB_WRP, FunctionalState NewState)
+ => to Enable/Disable the desired sector write protection
+ (++) FLASH_Status FLASH_OB_UserConfig(uint8_t OB_IWDG, uint8_t OB_STOP, uint8_t OB_STDBY)
+ => to configure the user option Bytes: IWDG, STOP and the Standby.
+ (++) FLASH_Status FLASH_OB_BOOTConfig(uint8_t OB_BOOT1)
+ => to set or reset BOOT1
+ (++) FLASH_Status FLASH_OB_VDDAConfig(uint8_t OB_VDDA_ANALOG)
+ => to enable or disable the VDDA Analog Monitoring
+ (++) You can write all User Options bytes at once using a single function
+ by calling FLASH_Status FLASH_OB_WriteUser(uint8_t OB_USER)
+ (++) FLASH_OB_ProgramData(uint32_t Address, uint8_t Data) to program the
+ two half word in the option bytes
+
+ (#) Once all needed option bytes to be programmed are correctly written, call the
+ FLASH_OB_Launch(void) function to launch the Option Bytes programming process.
+
+ (#) Call the FLASH_OB_Lock() to disable the Option Bytes registers access (recommended
+ to protect the option Bytes against possible unwanted operations)
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Unlocks the option bytes block access.
+ * @param None
+ * @retval None
+ */
+void FLASH_OB_Unlock(void)
+{
+ if((FLASH->CR & FLASH_CR_OPTWRE) == RESET)
+ {
+ /* Unlocking the option bytes block access */
+ FLASH->OPTKEYR = FLASH_OPTKEY1;
+ FLASH->OPTKEYR = FLASH_OPTKEY2;
+ }
+}
+
+/**
+ * @brief Locks the option bytes block access.
+ * @param None
+ * @retval None
+ */
+void FLASH_OB_Lock(void)
+{
+ /* Set the OPTWREN Bit to lock the option bytes block access */
+ FLASH->CR &= ~FLASH_CR_OPTWRE;
+}
+
+/**
+ * @brief Launch the option byte loading.
+ * @param None
+ * @retval None
+ */
+void FLASH_OB_Launch(void)
+{
+ /* Set the OBL_Launch bit to launch the option byte loading */
+ FLASH->CR |= FLASH_CR_OBL_LAUNCH;
+}
+
+/**
+ * @brief Erases the FLASH option bytes.
+ * @note To correctly run this function, the FLASH_OB_Unlock() function must be called before.
+ * @note Call the FLASH_OB_Lock() to disable the flash control register access and the option
+ * bytes (recommended to protect the FLASH memory against possible unwanted operation)
+ * @note This functions erases all option bytes except the Read protection (RDP).
+ * @param None
+ * @retval FLASH Status: The returned value can be: FLASH_ERROR_PG,
+ * FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.
+ */
+FLASH_Status FLASH_OB_Erase(void)
+{
+ uint16_t rdptmp = OB_RDP_Level_0;
+
+ FLASH_Status status = FLASH_COMPLETE;
+
+ /* Get the actual read protection Option Byte value */
+ if(FLASH_OB_GetRDP() != RESET)
+ {
+ rdptmp = 0x00;
+ }
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status == FLASH_COMPLETE)
+ {
+ /* If the previous operation is completed, proceed to erase the option bytes */
+ FLASH->CR |= FLASH_CR_OPTER;
+ FLASH->CR |= FLASH_CR_STRT;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status == FLASH_COMPLETE)
+ {
+ /* If the erase operation is completed, disable the OPTER Bit */
+ FLASH->CR &= ~FLASH_CR_OPTER;
+
+ /* Enable the Option Bytes Programming operation */
+ FLASH->CR |= FLASH_CR_OPTPG;
+
+ /* Restore the last read protection Option Byte value */
+ OB->RDP = (uint16_t)rdptmp;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status != FLASH_TIMEOUT)
+ {
+ /* if the program operation is completed, disable the OPTPG Bit */
+ FLASH->CR &= ~FLASH_CR_OPTPG;
+ }
+ }
+ else
+ {
+ if (status != FLASH_TIMEOUT)
+ {
+ /* Disable the OPTPG Bit */
+ FLASH->CR &= ~FLASH_CR_OPTPG;
+ }
+ }
+ }
+ /* Return the erase status */
+ return status;
+}
+
+/**
+ * @brief Write protects the desired pages
+ * @note To correctly run this function, the FLASH_OB_Unlock() function must be called before.
+ * @note Call the FLASH_OB_Lock() to disable the flash control register access and the option
+ * bytes (recommended to protect the FLASH memory against possible unwanted operation)
+ * @param OB_WRP: specifies the address of the pages to be write protected.
+ * This parameter can be:
+ * @arg OB_WRP_Pages0to3..OB_WRP_Pages60to63
+ * @arg OB_WRP_AllPages
+ * @retval FLASH Status: The returned value can be:
+ * FLASH_ERROR_PROGRAM, FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.
+ */
+FLASH_Status FLASH_OB_EnableWRP(uint32_t OB_WRP)
+{
+ uint16_t WRP0_Data = 0xFFFF, WRP1_Data = 0xFFFF, WRP2_Data = 0xFFFF, WRP3_Data = 0xFFFF;
+
+ FLASH_Status status = FLASH_COMPLETE;
+
+ /* Check the parameters */
+ assert_param(IS_OB_WRP(OB_WRP));
+
+ OB_WRP = (uint32_t)(~OB_WRP);
+ WRP0_Data = (uint16_t)(OB_WRP & OB_WRP0_WRP0);
+ WRP1_Data = (uint16_t)((OB_WRP >> 8) & OB_WRP0_WRP0);
+ WRP2_Data = (uint16_t)((OB_WRP >> 16) & OB_WRP0_WRP0) ;
+ WRP3_Data = (uint16_t)((OB_WRP >> 24) & OB_WRP0_WRP0) ;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status == FLASH_COMPLETE)
+ {
+ FLASH->CR |= FLASH_CR_OPTPG;
+
+ if(WRP0_Data != 0xFF)
+ {
+ OB->WRP0 = WRP0_Data;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+ }
+ if((status == FLASH_COMPLETE) && (WRP1_Data != 0xFF))
+ {
+ OB->WRP1 = WRP1_Data;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+ }
+ if((status == FLASH_COMPLETE) && (WRP2_Data != 0xFF))
+ {
+ OB->WRP2 = WRP2_Data;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+ }
+ if((status == FLASH_COMPLETE) && (WRP3_Data != 0xFF))
+ {
+ OB->WRP3 = WRP3_Data;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+ }
+ if(status != FLASH_TIMEOUT)
+ {
+ /* if the program operation is completed, disable the OPTPG Bit */
+ FLASH->CR &= ~FLASH_CR_OPTPG;
+ }
+ }
+ /* Return the write protection operation Status */
+ return status;
+}
+
+/**
+ * @brief Enables or disables the read out protection.
+ * @note To correctly run this function, the FLASH_OB_Unlock() function must be called before.
+ * @note Call the FLASH_OB_Lock() to disable the flash control register access and the option
+ * bytes (recommended to protect the FLASH memory against possible unwanted operation)
+ * @param FLASH_ReadProtection_Level: specifies the read protection level.
+ * This parameter can be:
+ * @arg OB_RDP_Level_0: No protection
+ * @arg OB_RDP_Level_1: Read protection of the memory
+ * @arg OB_RDP_Level_2: Chip protection
+ * @note When enabling OB_RDP level 2 it's no more possible to go back to level 1 or 0
+ * @retval FLASH Status: The returned value can be:
+ * FLASH_ERROR_PROGRAM, FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.
+ */
+FLASH_Status FLASH_OB_RDPConfig(uint8_t OB_RDP)
+{
+ FLASH_Status status = FLASH_COMPLETE;
+
+ /* Check the parameters */
+ assert_param(IS_OB_RDP(OB_RDP));
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status == FLASH_COMPLETE)
+ {
+ FLASH->CR |= FLASH_CR_OPTER;
+ FLASH->CR |= FLASH_CR_STRT;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status == FLASH_COMPLETE)
+ {
+ /* If the erase operation is completed, disable the OPTER Bit */
+ FLASH->CR &= ~FLASH_CR_OPTER;
+
+ /* Enable the Option Bytes Programming operation */
+ FLASH->CR |= FLASH_CR_OPTPG;
+
+ OB->RDP = OB_RDP;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status != FLASH_TIMEOUT)
+ {
+ /* if the program operation is completed, disable the OPTPG Bit */
+ FLASH->CR &= ~FLASH_CR_OPTPG;
+ }
+ }
+ else
+ {
+ if(status != FLASH_TIMEOUT)
+ {
+ /* Disable the OPTER Bit */
+ FLASH->CR &= ~FLASH_CR_OPTER;
+ }
+ }
+ }
+ /* Return the protection operation Status */
+ return status;
+}
+
+/**
+ * @brief Programs the FLASH User Option Byte: IWDG_SW / RST_STOP / RST_STDBY.
+ * @note To correctly run this function, the FLASH_OB_Unlock() function must be called before.
+ * @note Call the FLASH_OB_Lock() to disable the flash control register access and the option
+ * bytes (recommended to protect the FLASH memory against possible unwanted operation)
+ * @param OB_IWDG: Selects the WDG mode
+ * This parameter can be one of the following values:
+ * @arg OB_IWDG_SW: Software WDG selected
+ * @arg OB_IWDG_HW: Hardware WDG selected
+ * @param OB_STOP: Reset event when entering STOP mode.
+ * This parameter can be one of the following values:
+ * @arg OB_STOP_NoRST: No reset generated when entering in STOP
+ * @arg OB_STOP_RST: Reset generated when entering in STOP
+ * @param OB_STDBY: Reset event when entering Standby mode.
+ * This parameter can be one of the following values:
+ * @arg OB_STDBY_NoRST: No reset generated when entering in STANDBY
+ * @arg OB_STDBY_RST: Reset generated when entering in STANDBY
+ * @retval FLASH Status: The returned value can be:
+ * FLASH_ERROR_PROGRAM, FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.
+ */
+FLASH_Status FLASH_OB_UserConfig(uint8_t OB_IWDG, uint8_t OB_STOP, uint8_t OB_STDBY)
+{
+ FLASH_Status status = FLASH_COMPLETE;
+
+ /* Check the parameters */
+ assert_param(IS_OB_IWDG_SOURCE(OB_IWDG));
+ assert_param(IS_OB_STOP_SOURCE(OB_STOP));
+ assert_param(IS_OB_STDBY_SOURCE(OB_STDBY));
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status == FLASH_COMPLETE)
+ {
+ /* Enable the Option Bytes Programming operation */
+ FLASH->CR |= FLASH_CR_OPTPG;
+
+ OB->USER = (uint16_t)((uint16_t)(OB_IWDG | OB_STOP) | (uint16_t)(OB_STDBY | 0xF8));
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status != FLASH_TIMEOUT)
+ {
+ /* If the program operation is completed, disable the OPTPG Bit */
+ FLASH->CR &= ~FLASH_CR_OPTPG;
+ }
+ }
+ /* Return the Option Byte program Status */
+ return status;
+}
+
+/**
+ * @brief Sets or resets the BOOT1 option bit.
+ * @param OB_BOOT1: Set or Reset the BOOT1 option bit.
+ * This parameter can be one of the following values:
+ * @arg OB_BOOT1_RESET: BOOT1 option bit reset
+ * @arg OB_BOOT1_SET: BOOT1 option bit set
+ * @retval None
+ */
+FLASH_Status FLASH_OB_BOOTConfig(uint8_t OB_BOOT1)
+{
+ FLASH_Status status = FLASH_COMPLETE;
+
+ /* Check the parameters */
+ assert_param(IS_OB_BOOT1(OB_BOOT1));
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status == FLASH_COMPLETE)
+ {
+ /* Enable the Option Bytes Programming operation */
+ FLASH->CR |= FLASH_CR_OPTPG;
+
+ OB->USER = OB_BOOT1 | 0xEF;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status != FLASH_TIMEOUT)
+ {
+ /* If the program operation is completed, disable the OPTPG Bit */
+ FLASH->CR &= ~FLASH_CR_OPTPG;
+ }
+ }
+ /* Return the Option Byte program Status */
+ return status;
+}
+
+/**
+ * @brief Sets or resets the BOOT0 option bit.
+ * @note This function is applicable only for the STM32F042 devices.
+ * @param OB_BOOT0: Set or Reset the BOOT0 option bit.
+ * This parameter can be one of the following values:
+ * @arg OB_BOOT0_RESET: BOOT0 option bit reset
+ * @arg OB_BOOT0_SET: BOOT0 option bit set
+ * @retval None
+ */
+FLASH_Status FLASH_OB_BOOT0Config(uint8_t OB_BOOT0)
+{
+ FLASH_Status status = FLASH_COMPLETE;
+
+ /* Check the parameters */
+ assert_param(IS_OB_BOOT0(OB_BOOT0));
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status == FLASH_COMPLETE)
+ {
+ /* Enable the Option Bytes Programming operation */
+ FLASH->CR |= FLASH_CR_OPTPG;
+
+ OB->USER = OB_BOOT0 | 0xF7;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status != FLASH_TIMEOUT)
+ {
+ /* If the program operation is completed, disable the OPTPG Bit */
+ FLASH->CR &= ~FLASH_CR_OPTPG;
+ }
+ }
+ /* Return the Option Byte program Status */
+ return status;
+}
+
+/**
+ * @brief Sets or resets the BOOT0SW option bit.
+ * @note This function is applicable only for the STM32F042 devices.
+ * @param OB_BOOT0SW: Set or Reset the BOOT0_SW option bit.
+ * This parameter can be one of the following values:
+ * @arg OB_BOOT0_SW: BOOT0_SW option bit reset
+ * @arg OB_BOOT0_HW: BOOT0_SW option bit set
+ * @retval None
+ */
+FLASH_Status FLASH_OB_BOOT0SWConfig(uint8_t OB_BOOT0SW)
+{
+ FLASH_Status status = FLASH_COMPLETE;
+
+ /* Check the parameters */
+ assert_param(IS_OB_BOOT0SW(OB_BOOT0SW));
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status == FLASH_COMPLETE)
+ {
+ /* Enable the Option Bytes Programming operation */
+ FLASH->CR |= FLASH_CR_OPTPG;
+
+ OB->USER = OB_BOOT0SW | 0x7F;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status != FLASH_TIMEOUT)
+ {
+ /* If the program operation is completed, disable the OPTPG Bit */
+ FLASH->CR &= ~FLASH_CR_OPTPG;
+ }
+ }
+ /* Return the Option Byte program Status */
+ return status;
+}
+
+/**
+ * @brief Sets or resets the analogue monitoring on VDDA Power source.
+ * @param OB_VDDA_ANALOG: Selects the analog monitoring on VDDA Power source.
+ * This parameter can be one of the following values:
+ * @arg OB_VDDA_ANALOG_ON: Analog monitoring on VDDA Power source ON
+ * @arg OB_VDDA_ANALOG_OFF: Analog monitoring on VDDA Power source OFF
+ * @retval None
+ */
+FLASH_Status FLASH_OB_VDDAConfig(uint8_t OB_VDDA_ANALOG)
+{
+ FLASH_Status status = FLASH_COMPLETE;
+
+ /* Check the parameters */
+ assert_param(IS_OB_VDDA_ANALOG(OB_VDDA_ANALOG));
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status == FLASH_COMPLETE)
+ {
+ /* Enable the Option Bytes Programming operation */
+ FLASH->CR |= FLASH_CR_OPTPG;
+
+ OB->USER = OB_VDDA_ANALOG | 0xDF;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status != FLASH_TIMEOUT)
+ {
+ /* if the program operation is completed, disable the OPTPG Bit */
+ FLASH->CR &= ~FLASH_CR_OPTPG;
+ }
+ }
+ /* Return the Option Byte program Status */
+ return status;
+}
+
+/**
+ * @brief Sets or resets the SRAM parity.
+ * @param OB_SRAM_Parity: Set or Reset the SRAM parity enable bit.
+ * This parameter can be one of the following values:
+ * @arg OB_SRAM_PARITY_SET: Set SRAM parity.
+ * @arg OB_SRAM_PARITY_RESET: Reset SRAM parity.
+ * @retval None
+ */
+FLASH_Status FLASH_OB_SRAMParityConfig(uint8_t OB_SRAM_Parity)
+{
+ FLASH_Status status = FLASH_COMPLETE;
+
+ /* Check the parameters */
+ assert_param(IS_OB_SRAM_PARITY(OB_SRAM_Parity));
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status == FLASH_COMPLETE)
+ {
+ /* Enable the Option Bytes Programming operation */
+ FLASH->CR |= FLASH_CR_OPTPG;
+
+ OB->USER = OB_SRAM_Parity | 0xBF;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status != FLASH_TIMEOUT)
+ {
+ /* if the program operation is completed, disable the OPTPG Bit */
+ FLASH->CR &= ~FLASH_CR_OPTPG;
+ }
+ }
+ /* Return the Option Byte program Status */
+ return status;
+}
+
+/**
+ * @brief Programs the FLASH User Option Byte: IWDG_SW, RST_STOP, RST_STDBY,
+ * BOOT1 and VDDA ANALOG monitoring.
+ * @note To correctly run this function, the FLASH_OB_Unlock() function must be called before.
+ * @note Call the FLASH_OB_Lock() to disable the flash control register access and the option
+ * bytes (recommended to protect the FLASH memory against possible unwanted operation)
+ * @param OB_USER: Selects all user option bytes
+ * This parameter is a combination of the following values:
+ * @arg OB_IWDG_SW / OB_IWDG_HW: Software / Hardware WDG selected
+ * @arg OB_STOP_NoRST / OB_STOP_RST: No reset / Reset generated when entering in STOP
+ * @arg OB_STDBY_NoRST / OB_STDBY_RST: No reset / Reset generated when entering in STANDBY
+ * @arg OB_BOOT1_RESET / OB_BOOT1_SET: BOOT1 Reset / Set
+ * @arg OB_VDDA_ANALOG_ON / OB_VDDA_ANALOG_OFF: Analog monitoring on VDDA Power source ON / OFF
+ * @arg OB_SRAM_PARITY_SET / OB_SRAM_PARITY_RESET: SRAM Parity SET / RESET
+ * @arg OB_BOOT0_RESET / OB_BOOT0_SET: BOOT0 Reset / Set
+ * @arg OB_BOOT0_SW / OB_BOOT0_SW: BOOT0 pin disabled / BOOT0 pin bonded with GPIO
+ * @retval FLASH Status: The returned value can be:
+ * FLASH_ERROR_PROGRAM, FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.
+ */
+FLASH_Status FLASH_OB_WriteUser(uint8_t OB_USER)
+{
+ FLASH_Status status = FLASH_COMPLETE;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status == FLASH_COMPLETE)
+ {
+ /* Enable the Option Bytes Programming operation */
+ FLASH->CR |= FLASH_CR_OPTPG;
+
+ OB->USER = OB_USER;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status != FLASH_TIMEOUT)
+ {
+ /* If the program operation is completed, disable the OPTPG Bit */
+ FLASH->CR &= ~FLASH_CR_OPTPG;
+ }
+ }
+ /* Return the Option Byte program Status */
+ return status;
+
+}
+
+/**
+ * @brief Programs a half word at a specified Option Byte Data address.
+ * @note To correctly run this function, the FLASH_OB_Unlock() function must be called before.
+ * @note Call the FLASH_OB_Lock() to disable the flash control register access and the option
+ * bytes (recommended to protect the FLASH memory against possible unwanted operation)
+ * @param Address: specifies the address to be programmed.
+ * This parameter can be 0x1FFFF804 or 0x1FFFF806.
+ * @param Data: specifies the data to be programmed.
+ * @retval FLASH Status: The returned value can be: FLASH_ERROR_PG,
+ * FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.
+ */
+FLASH_Status FLASH_OB_ProgramData(uint32_t Address, uint8_t Data)
+{
+ FLASH_Status status = FLASH_COMPLETE;
+ /* Check the parameters */
+ assert_param(IS_OB_DATA_ADDRESS(Address));
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status == FLASH_COMPLETE)
+ {
+ /* Enables the Option Bytes Programming operation */
+ FLASH->CR |= FLASH_CR_OPTPG;
+ *(__IO uint16_t*)Address = Data;
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+
+ if(status != FLASH_TIMEOUT)
+ {
+ /* If the program operation is completed, disable the OPTPG Bit */
+ FLASH->CR &= ~FLASH_CR_OPTPG;
+ }
+ }
+ /* Return the Option Byte Data Program Status */
+ return status;
+}
+
+/**
+ * @brief Returns the FLASH User Option Bytes values.
+ * @param None
+ * @retval The FLASH User Option Bytes .
+ */
+uint8_t FLASH_OB_GetUser(void)
+{
+ /* Return the User Option Byte */
+ return (uint8_t)(FLASH->OBR >> 8);
+}
+
+/**
+ * @brief Returns the FLASH Write Protection Option Bytes value.
+ * @param None
+ * @retval The FLASH Write Protection Option Bytes value
+ */
+uint32_t FLASH_OB_GetWRP(void)
+{
+ /* Return the FLASH write protection Register value */
+ return (uint32_t)(FLASH->WRPR);
+}
+
+/**
+ * @brief Checks whether the FLASH Read out Protection Status is set or not.
+ * @param None
+ * @retval FLASH ReadOut Protection Status(SET or RESET)
+ */
+FlagStatus FLASH_OB_GetRDP(void)
+{
+ FlagStatus readstatus = RESET;
+
+ if ((uint8_t)(FLASH->OBR & (FLASH_OBR_RDPRT1 | FLASH_OBR_RDPRT2)) != RESET)
+ {
+ readstatus = SET;
+ }
+ else
+ {
+ readstatus = RESET;
+ }
+ return readstatus;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup FLASH_Group4 Interrupts and flags management functions
+ * @brief Interrupts and flags management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Interrupts and flags management functions #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the specified FLASH interrupts.
+ * @param FLASH_IT: specifies the FLASH interrupt sources to be enabled or
+ * disabled.
+ * This parameter can be any combination of the following values:
+ * @arg FLASH_IT_EOP: FLASH end of programming Interrupt
+ * @arg FLASH_IT_ERR: FLASH Error Interrupt
+ * @retval None
+ */
+void FLASH_ITConfig(uint32_t FLASH_IT, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FLASH_IT(FLASH_IT));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if(NewState != DISABLE)
+ {
+ /* Enable the interrupt sources */
+ FLASH->CR |= FLASH_IT;
+ }
+ else
+ {
+ /* Disable the interrupt sources */
+ FLASH->CR &= ~(uint32_t)FLASH_IT;
+ }
+}
+
+/**
+ * @brief Checks whether the specified FLASH flag is set or not.
+ * @param FLASH_FLAG: specifies the FLASH flag to check.
+ * This parameter can be one of the following values:
+ * @arg FLASH_FLAG_BSY: FLASH write/erase operations in progress flag
+ * @arg FLASH_FLAG_PGERR: FLASH Programming error flag flag
+ * @arg FLASH_FLAG_WRPERR: FLASH Write protected error flag
+ * @arg FLASH_FLAG_EOP: FLASH End of Programming flag
+ * @retval The new state of FLASH_FLAG (SET or RESET).
+ */
+FlagStatus FLASH_GetFlagStatus(uint32_t FLASH_FLAG)
+{
+ FlagStatus bitstatus = RESET;
+
+ /* Check the parameters */
+ assert_param(IS_FLASH_GET_FLAG(FLASH_FLAG));
+
+ if((FLASH->SR & FLASH_FLAG) != (uint32_t)RESET)
+ {
+ bitstatus = SET;
+ }
+ else
+ {
+ bitstatus = RESET;
+ }
+ /* Return the new state of FLASH_FLAG (SET or RESET) */
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the FLASH's pending flags.
+ * @param FLASH_FLAG: specifies the FLASH flags to clear.
+ * This parameter can be any combination of the following values:
+ * @arg FLASH_FLAG_PGERR: FLASH Programming error flag flag
+ * @arg FLASH_FLAG_WRPERR: FLASH Write protected error flag
+ * @arg FLASH_FLAG_EOP: FLASH End of Programming flag
+ * @retval None
+ */
+void FLASH_ClearFlag(uint32_t FLASH_FLAG)
+{
+ /* Check the parameters */
+ assert_param(IS_FLASH_CLEAR_FLAG(FLASH_FLAG));
+
+ /* Clear the flags */
+ FLASH->SR = FLASH_FLAG;
+}
+
+/**
+ * @brief Returns the FLASH Status.
+ * @param None
+ * @retval FLASH Status: The returned value can be:
+ * FLASH_BUSY, FLASH_ERROR_PROGRAM, FLASH_ERROR_WRP or FLASH_COMPLETE.
+ */
+FLASH_Status FLASH_GetStatus(void)
+{
+ FLASH_Status FLASHstatus = FLASH_COMPLETE;
+
+ if((FLASH->SR & FLASH_FLAG_BSY) == FLASH_FLAG_BSY)
+ {
+ FLASHstatus = FLASH_BUSY;
+ }
+ else
+ {
+ if((FLASH->SR & (uint32_t)FLASH_FLAG_WRPERR)!= (uint32_t)0x00)
+ {
+ FLASHstatus = FLASH_ERROR_WRP;
+ }
+ else
+ {
+ if((FLASH->SR & (uint32_t)(FLASH_SR_PGERR)) != (uint32_t)0x00)
+ {
+ FLASHstatus = FLASH_ERROR_PROGRAM;
+ }
+ else
+ {
+ FLASHstatus = FLASH_COMPLETE;
+ }
+ }
+ }
+ /* Return the FLASH Status */
+ return FLASHstatus;
+}
+
+
+/**
+ * @brief Waits for a FLASH operation to complete or a TIMEOUT to occur.
+ * @param Timeout: FLASH programming Timeout
+ * @retval FLASH Status: The returned value can be: FLASH_BUSY,
+ * FLASH_ERROR_PROGRAM, FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.
+ */
+FLASH_Status FLASH_WaitForLastOperation(uint32_t Timeout)
+{
+ FLASH_Status status = FLASH_COMPLETE;
+
+ /* Check for the FLASH Status */
+ status = FLASH_GetStatus();
+
+ /* Wait for a FLASH operation to complete or a TIMEOUT to occur */
+ while((status == FLASH_BUSY) && (Timeout != 0x00))
+ {
+ status = FLASH_GetStatus();
+ Timeout--;
+ }
+
+ if(Timeout == 0x00 )
+ {
+ status = FLASH_TIMEOUT;
+ }
+ /* Return the operation status */
+ return status;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+ /**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_gpio.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_gpio.c
new file mode 100644
index 00000000..bb2978cd
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_gpio.c
@@ -0,0 +1,542 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_gpio.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the GPIO peripheral:
+ * + Initialization and Configuration functions
+ * + GPIO Read and Write functions
+ * + GPIO Alternate functions configuration functions
+ *
+ * @verbatim
+ *
+ *
+ ===========================================================================
+ ##### How to use this driver #####
+ ===========================================================================
+ [..]
+ (#) Enable the GPIO AHB clock using RCC_AHBPeriphClockCmd()
+ (#) Configure the GPIO pin(s) using GPIO_Init()
+ Four possible configuration are available for each pin:
+ (++) Input: Floating, Pull-up, Pull-down.
+ (++) Output: Push-Pull (Pull-up, Pull-down or no Pull)
+ Open Drain (Pull-up, Pull-down or no Pull).
+ In output mode, the speed is configurable: Low, Medium, Fast or High.
+ (++) Alternate Function: Push-Pull (Pull-up, Pull-down or no Pull)
+ Open Drain (Pull-up, Pull-down or no Pull).
+ (++) Analog: required mode when a pin is to be used as ADC channel,
+ DAC output or comparator input.
+ (#) Peripherals alternate function:
+ (++) For ADC, DAC and comparators, configure the desired pin in analog
+ mode using GPIO_InitStruct->GPIO_Mode = GPIO_Mode_AN
+ (++) For other peripherals (TIM, USART...):
+ (+++) Connect the pin to the desired peripherals' Alternate
+ Function (AF) using GPIO_PinAFConfig() function. For PortC,
+ PortD and PortF, no configuration is needed.
+ (+++) Configure the desired pin in alternate function mode using
+ GPIO_InitStruct->GPIO_Mode = GPIO_Mode_AF
+ (+++) Select the type, pull-up/pull-down and output speed via
+ GPIO_PuPd, GPIO_OType and GPIO_Speed members
+ (+++) Call GPIO_Init() function
+ (#) To get the level of a pin configured in input mode use GPIO_ReadInputDataBit()
+ (#) To set/reset the level of a pin configured in output mode use
+ GPIO_SetBits()/GPIO_ResetBits()
+ (#) During and just after reset, the alternate functions are not active and
+ the GPIO pins are configured in input floating mode (except JTAG pins).
+ (#) The LSE oscillator pins OSC32_IN and OSC32_OUT can be used as
+ general-purpose (PC14 and PC15, respectively) when the LSE oscillator
+ is off. The LSE has priority over the GPIO function.
+ (#) The HSE oscillator pins OSC_IN/OSC_OUT can be used as general-purpose
+ PD0 and PD1, respectively, when the HSE oscillator is off. The HSE has
+ priority over the GPIO function.
+ @endverbatim
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_gpio.h"
+#include "stm32f0xx_rcc.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup GPIO
+ * @brief GPIO driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup GPIO_Private_Functions
+ * @{
+ */
+
+/** @defgroup GPIO_Group1 Initialization and Configuration
+ * @brief Initialization and Configuration
+ *
+@verbatim
+ ===============================================================================
+ ##### Initialization and Configuration #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Deinitializes the GPIOx peripheral registers to their default reset
+ * values.
+ * @param GPIOx: where x can be (A, B, C, D, E or F) to select the GPIO peripheral.
+ * @note GPIOE is available only for STM32F072.
+ * @note GPIOD is not available for STM32F031.
+ * @retval None
+ */
+void GPIO_DeInit(GPIO_TypeDef* GPIOx)
+{
+ /* Check the parameters */
+ assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
+
+ if(GPIOx == GPIOA)
+ {
+ RCC_AHBPeriphResetCmd(RCC_AHBPeriph_GPIOA, ENABLE);
+ RCC_AHBPeriphResetCmd(RCC_AHBPeriph_GPIOA, DISABLE);
+ }
+ else if(GPIOx == GPIOB)
+ {
+ RCC_AHBPeriphResetCmd(RCC_AHBPeriph_GPIOB, ENABLE);
+ RCC_AHBPeriphResetCmd(RCC_AHBPeriph_GPIOB, DISABLE);
+ }
+ else if(GPIOx == GPIOC)
+ {
+ RCC_AHBPeriphResetCmd(RCC_AHBPeriph_GPIOC, ENABLE);
+ RCC_AHBPeriphResetCmd(RCC_AHBPeriph_GPIOC, DISABLE);
+ }
+ else if(GPIOx == GPIOD)
+ {
+ RCC_AHBPeriphResetCmd(RCC_AHBPeriph_GPIOD, ENABLE);
+ RCC_AHBPeriphResetCmd(RCC_AHBPeriph_GPIOD, DISABLE);
+ }
+ else if(GPIOx == GPIOE)
+ {
+ RCC_AHBPeriphResetCmd(RCC_AHBPeriph_GPIOE, ENABLE);
+ RCC_AHBPeriphResetCmd(RCC_AHBPeriph_GPIOE, DISABLE);
+ }
+ else
+ {
+ if(GPIOx == GPIOF)
+ {
+ RCC_AHBPeriphResetCmd(RCC_AHBPeriph_GPIOF, ENABLE);
+ RCC_AHBPeriphResetCmd(RCC_AHBPeriph_GPIOF, DISABLE);
+ }
+ }
+}
+
+/**
+ * @brief Initializes the GPIOx peripheral according to the specified
+ * parameters in the GPIO_InitStruct.
+ * @param GPIOx: where x can be (A, B, C, D, E or F) to select the GPIO peripheral.
+ * @note GPIOE is available only for STM32F072.
+ * @note GPIOD is not available for STM32F031.
+ * @param GPIO_InitStruct: pointer to a GPIO_InitTypeDef structure that contains
+ * the configuration information for the specified GPIO peripheral.
+ * @retval None
+ */
+void GPIO_Init(GPIO_TypeDef* GPIOx, GPIO_InitTypeDef* GPIO_InitStruct)
+{
+ uint32_t pinpos = 0x00, pos = 0x00 , currentpin = 0x00;
+
+ /* Check the parameters */
+ assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
+ assert_param(IS_GPIO_PIN(GPIO_InitStruct->GPIO_Pin));
+ assert_param(IS_GPIO_MODE(GPIO_InitStruct->GPIO_Mode));
+ assert_param(IS_GPIO_PUPD(GPIO_InitStruct->GPIO_PuPd));
+
+ /*-------------------------- Configure the port pins -----------------------*/
+ /*-- GPIO Mode Configuration --*/
+ for (pinpos = 0x00; pinpos < 0x10; pinpos++)
+ {
+ pos = ((uint32_t)0x01) << pinpos;
+
+ /* Get the port pins position */
+ currentpin = (GPIO_InitStruct->GPIO_Pin) & pos;
+
+ if (currentpin == pos)
+ {
+ if ((GPIO_InitStruct->GPIO_Mode == GPIO_Mode_OUT) || (GPIO_InitStruct->GPIO_Mode == GPIO_Mode_AF))
+ {
+ /* Check Speed mode parameters */
+ assert_param(IS_GPIO_SPEED(GPIO_InitStruct->GPIO_Speed));
+
+ /* Speed mode configuration */
+ GPIOx->OSPEEDR &= ~(GPIO_OSPEEDER_OSPEEDR0 << (pinpos * 2));
+ GPIOx->OSPEEDR |= ((uint32_t)(GPIO_InitStruct->GPIO_Speed) << (pinpos * 2));
+
+ /* Check Output mode parameters */
+ assert_param(IS_GPIO_OTYPE(GPIO_InitStruct->GPIO_OType));
+
+ /* Output mode configuration */
+ GPIOx->OTYPER &= ~((GPIO_OTYPER_OT_0) << ((uint16_t)pinpos));
+ GPIOx->OTYPER |= (uint16_t)(((uint16_t)GPIO_InitStruct->GPIO_OType) << ((uint16_t)pinpos));
+ }
+
+ GPIOx->MODER &= ~(GPIO_MODER_MODER0 << (pinpos * 2));
+
+ GPIOx->MODER |= (((uint32_t)GPIO_InitStruct->GPIO_Mode) << (pinpos * 2));
+
+ /* Pull-up Pull down resistor configuration */
+ GPIOx->PUPDR &= ~(GPIO_PUPDR_PUPDR0 << ((uint16_t)pinpos * 2));
+ GPIOx->PUPDR |= (((uint32_t)GPIO_InitStruct->GPIO_PuPd) << (pinpos * 2));
+ }
+ }
+}
+
+/**
+ * @brief Fills each GPIO_InitStruct member with its default value.
+ * @param GPIO_InitStruct: pointer to a GPIO_InitTypeDef structure which will
+ * be initialized.
+ * @retval None
+ */
+void GPIO_StructInit(GPIO_InitTypeDef* GPIO_InitStruct)
+{
+ /* Reset GPIO init structure parameters values */
+ GPIO_InitStruct->GPIO_Pin = GPIO_Pin_All;
+ GPIO_InitStruct->GPIO_Mode = GPIO_Mode_IN;
+ GPIO_InitStruct->GPIO_Speed = GPIO_Speed_Level_2;
+ GPIO_InitStruct->GPIO_OType = GPIO_OType_PP;
+ GPIO_InitStruct->GPIO_PuPd = GPIO_PuPd_NOPULL;
+}
+
+/**
+ * @brief Locks GPIO Pins configuration registers.
+ * @note The locked registers are GPIOx_MODER, GPIOx_OTYPER, GPIOx_OSPEEDR,
+ * GPIOx_PUPDR, GPIOx_AFRL and GPIOx_AFRH.
+ * @note The configuration of the locked GPIO pins can no longer be modified
+ * until the next device reset.
+ * @param GPIOx: where x can be (A or B) to select the GPIO peripheral.
+ * @param GPIO_Pin: specifies the port bit to be written.
+ * This parameter can be any combination of GPIO_Pin_x where x can be (0..15).
+ * @retval None
+ */
+void GPIO_PinLockConfig(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin)
+{
+ __IO uint32_t tmp = 0x00010000;
+
+ /* Check the parameters */
+ assert_param(IS_GPIO_LIST_PERIPH(GPIOx));
+ assert_param(IS_GPIO_PIN(GPIO_Pin));
+
+ tmp |= GPIO_Pin;
+ /* Set LCKK bit */
+ GPIOx->LCKR = tmp;
+ /* Reset LCKK bit */
+ GPIOx->LCKR = GPIO_Pin;
+ /* Set LCKK bit */
+ GPIOx->LCKR = tmp;
+ /* Read LCKK bit */
+ tmp = GPIOx->LCKR;
+ /* Read LCKK bit */
+ tmp = GPIOx->LCKR;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup GPIO_Group2 GPIO Read and Write
+ * @brief GPIO Read and Write
+ *
+@verbatim
+ ===============================================================================
+ ##### GPIO Read and Write #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Reads the specified input port pin.
+ * @param GPIOx: where x can be (A, B, C, D, E or F) to select the GPIO peripheral.
+ * @note GPIOE is available only for STM32F072.
+ * @note GPIOD is not available for STM32F031.
+ * @param GPIO_Pin: specifies the port bit to read.
+ * @note This parameter can be GPIO_Pin_x where x can be:
+ * For STM32F051 and STM32F030: (0..15) for GPIOA, GPIOB, GPIOC, (2) for GPIOD and (0..1, 4..7) for GIIOF.
+ * For STM32F072: (0..15) for GPIOA, GPIOB, GPIOC, GPIOD, GPIOE, (0..10) for GPIOF.
+ * For STM32F031: (0..15) for GPIOA, GPIOB, (13..15) for GPIOC and (0..1, 6..7) for GPIOF.
+ * @retval The input port pin value.
+ */
+uint8_t GPIO_ReadInputDataBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin)
+{
+ uint8_t bitstatus = 0x00;
+
+ /* Check the parameters */
+ assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
+ assert_param(IS_GET_GPIO_PIN(GPIO_Pin));
+
+ if ((GPIOx->IDR & GPIO_Pin) != (uint32_t)Bit_RESET)
+ {
+ bitstatus = (uint8_t)Bit_SET;
+ }
+ else
+ {
+ bitstatus = (uint8_t)Bit_RESET;
+ }
+ return bitstatus;
+}
+
+/**
+ * @brief Reads the specified input port pin.
+ * @param GPIOx: where x can be (A, B, C, D, E or F) to select the GPIO peripheral.
+ * @note GPIOE is available only for STM32F072.
+ * @note GPIOD is not available for STM32F031.
+ * @retval The input port pin value.
+ */
+uint16_t GPIO_ReadInputData(GPIO_TypeDef* GPIOx)
+{
+ /* Check the parameters */
+ assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
+
+ return ((uint16_t)GPIOx->IDR);
+}
+
+/**
+ * @brief Reads the specified output data port bit.
+ * @param GPIOx: where x can be (A, B, C, D, E or F) to select the GPIO peripheral.
+ * @note GPIOE is available only for STM32F072.
+ * @note GPIOD is not available for STM32F031.
+ * @param GPIO_Pin: Specifies the port bit to read.
+ * @note This parameter can be GPIO_Pin_x where x can be:
+ * For STM32F051 and STM32F030: (0..15) for GPIOA, GPIOB, GPIOC, (2) for GPIOD and (0..1, 4..7) for GIIOF.
+ * For STM32F072: (0..15) for GPIOA, GPIOB, GPIOC, GPIOD, GPIOE, (0..10) for GPIOF.
+ * For STM32F031: (0..15) for GPIOA, GPIOB, (13..15) for GPIOC and (0..1, 6..7) for GPIOF.
+ * @retval The output port pin value.
+ */
+uint8_t GPIO_ReadOutputDataBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin)
+{
+ uint8_t bitstatus = 0x00;
+
+ /* Check the parameters */
+ assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
+ assert_param(IS_GET_GPIO_PIN(GPIO_Pin));
+
+ if ((GPIOx->ODR & GPIO_Pin) != (uint32_t)Bit_RESET)
+ {
+ bitstatus = (uint8_t)Bit_SET;
+ }
+ else
+ {
+ bitstatus = (uint8_t)Bit_RESET;
+ }
+ return bitstatus;
+}
+
+/**
+ * @brief Reads the specified GPIO output data port.
+ * @param GPIOx: where x can be (A, B, C, D, E or F) to select the GPIO peripheral.
+ * @note GPIOE is available only for STM32F072.
+ * @note GPIOD is not available for STM32F031.
+ * @retval GPIO output data port value.
+ */
+uint16_t GPIO_ReadOutputData(GPIO_TypeDef* GPIOx)
+{
+ /* Check the parameters */
+ assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
+
+ return ((uint16_t)GPIOx->ODR);
+}
+
+/**
+ * @brief Sets the selected data port bits.
+ * @param GPIOx: where x can be (A, B, C, D, E or F) to select the GPIO peripheral.
+ * @note GPIOE is available only for STM32F072.
+ * @note GPIOD is not available for STM32F031.
+ * @param GPIO_Pin: specifies the port bits to be written.
+ * @note This parameter can be GPIO_Pin_x where x can be:
+ * For STM32F051 and STM32F030: (0..15) for GPIOA, GPIOB, GPIOC, (2) for GPIOD and (0..1, 4..7) for GIIOF.
+ * For STM32F072: (0..15) for GPIOA, GPIOB, GPIOC, GPIOD, GPIOE, (0..10) for GPIOF.
+ * For STM32F031: (0..15) for GPIOA, GPIOB, (13..15) for GPIOC and (0..1, 6..7) for GPIOF.
+ * @retval None
+ */
+void GPIO_SetBits(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin)
+{
+ /* Check the parameters */
+ assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
+ assert_param(IS_GPIO_PIN(GPIO_Pin));
+
+ GPIOx->BSRR = GPIO_Pin;
+}
+
+/**
+ * @brief Clears the selected data port bits.
+ * @param GPIOx: where x can be (A, B, C, D, E or F) to select the GPIO peripheral.
+ * @note GPIOE is available only for STM32F072.
+ * @note GPIOD is not available for STM32F031.
+ * @param GPIO_Pin: specifies the port bits to be written.
+ * @note This parameter can be GPIO_Pin_x where x can be:
+ * For STM32F051 and STM32F030: (0..15) for GPIOA, GPIOB, GPIOC, (2) for GPIOD and (0..1, 4..7) for GIIOF.
+ * For STM32F072: (0..15) for GPIOA, GPIOB, GPIOC, GPIOD, GPIOE, (0..10) for GPIOF.
+ * For STM32F031: (0..15) for GPIOA, GPIOB, (13..15) for GPIOC and (0..1, 6..7) for GPIOF.
+ * @retval None
+ */
+void GPIO_ResetBits(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin)
+{
+ /* Check the parameters */
+ assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
+ assert_param(IS_GPIO_PIN(GPIO_Pin));
+
+ GPIOx->BRR = GPIO_Pin;
+}
+
+/**
+ * @brief Sets or clears the selected data port bit.
+ * @param GPIOx: where x can be (A, B, C, D, E or F) to select the GPIO peripheral.
+ * @note GPIOE is available only for STM32F072.
+ * @note GPIOD is not available for STM32F031.
+ * @param GPIO_Pin: specifies the port bit to be written.
+ * @param BitVal: specifies the value to be written to the selected bit.
+ * This parameter can be one of the BitAction enumeration values:
+ * @arg Bit_RESET: to clear the port pin
+ * @arg Bit_SET: to set the port pin
+ * @note This parameter can be GPIO_Pin_x where x can be:
+ * For STM32F051 and STM32F030: (0..15) for GPIOA, GPIOB, GPIOC, (2) for GPIOD and (0..1, 4..7) for GIIOF.
+ * For STM32F072: (0..15) for GPIOA, GPIOB, GPIOC, GPIOD, GPIOE, (0..10) for GPIOF.
+ * For STM32F031: (0..15) for GPIOA, GPIOB, (13..15) for GPIOC and (0..1, 6..7) for GPIOF.
+ * @retval None
+ */
+void GPIO_WriteBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin, BitAction BitVal)
+{
+ /* Check the parameters */
+ assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
+ assert_param(IS_GET_GPIO_PIN(GPIO_Pin));
+ assert_param(IS_GPIO_BIT_ACTION(BitVal));
+
+ if (BitVal != Bit_RESET)
+ {
+ GPIOx->BSRR = GPIO_Pin;
+ }
+ else
+ {
+ GPIOx->BRR = GPIO_Pin ;
+ }
+}
+
+/**
+ * @brief Writes data to the specified GPIO data port.
+ * @param GPIOx: where x can be (A, B, C, D, E or F) to select the GPIO peripheral.
+ * @note GPIOE is available only for STM32F072.
+ * @note GPIOD is not available for STM32F031.
+ * @param PortVal: specifies the value to be written to the port output data register.
+ * @retval None
+ */
+void GPIO_Write(GPIO_TypeDef* GPIOx, uint16_t PortVal)
+{
+ /* Check the parameters */
+ assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
+
+ GPIOx->ODR = PortVal;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup GPIO_Group3 GPIO Alternate functions configuration functions
+ * @brief GPIO Alternate functions configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### GPIO Alternate functions configuration functions #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Writes data to the specified GPIO data port.
+ * @param GPIOx: where x can be (A, B, C, D, E or F) to select the GPIO peripheral.
+ * @note GPIOC, GPIOD, GPIOE and GPIOF are available only for STM32F072 and STM32F091.
+ * @param GPIO_PinSource: specifies the pin for the Alternate function.
+ * This parameter can be GPIO_PinSourcex where x can be (0..15) for GPIOA, GPIOB, GPIOD, GPIOE
+ * and (0..12) for GPIOC and (0, 2..5, 9..10) for GPIOF.
+ * @param GPIO_AF: selects the pin to used as Alternate function.
+ * This parameter can be one of the following value:
+ * @arg GPIO_AF_0: WKUP, EVENTOUT, TIM15, SPI1, TIM17, MCO, SWDAT, SWCLK,
+ * TIM14, BOOT, USART1, CEC, IR_OUT, SPI2, TIM3, USART4,
+ * CAN, USART2, CRS, TIM16, TIM1, TS, USART8
+ * @arg GPIO_AF_1: USART2, CEC, TIM3, USART1, USART2, EVENTOUT, I2C1,
+ * I2C2, TIM15, SPI2, USART3, TS, SPI1, USART7, USART8
+ * USART5, USART4, USART6, I2C1
+ * @arg GPIO_AF_2: TIM2, TIM1, EVENTOUT, TIM16, TIM17, USB, USART6, USART5,
+ * USART8, USART7, USART6
+ * @arg GPIO_AF_3: TS, I2C1, TIM15, EVENTOUT
+ * @arg GPIO_AF_4: TIM14, USART4, USART3, CRS, CAN, I2C1, USART5
+ * @arg GPIO_AF_5: TIM16, TIM17, TIM15, SPI2, I2C2, USART6, MCO
+ * @arg GPIO_AF_6: EVENTOUT
+ * @arg GPIO_AF_7: COMP1 OUT, COMP2 OUT
+ * @note The pin should already been configured in Alternate Function mode(AF)
+ * using GPIO_InitStruct->GPIO_Mode = GPIO_Mode_AF
+ * @note Refer to the Alternate function mapping table in the device datasheet
+ * for the detailed mapping of the system and peripherals'alternate
+ * function I/O pins.
+ * @retval None
+ */
+void GPIO_PinAFConfig(GPIO_TypeDef* GPIOx, uint16_t GPIO_PinSource, uint8_t GPIO_AF)
+{
+ uint32_t temp = 0x00;
+ uint32_t temp_2 = 0x00;
+
+ /* Check the parameters */
+ assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
+ assert_param(IS_GPIO_PIN_SOURCE(GPIO_PinSource));
+ assert_param(IS_GPIO_AF(GPIO_AF));
+
+ temp = ((uint32_t)(GPIO_AF) << ((uint32_t)((uint32_t)GPIO_PinSource & (uint32_t)0x07) * 4));
+ GPIOx->AFR[GPIO_PinSource >> 0x03] &= ~((uint32_t)0xF << ((uint32_t)((uint32_t)GPIO_PinSource & (uint32_t)0x07) * 4));
+ temp_2 = GPIOx->AFR[GPIO_PinSource >> 0x03] | temp;
+ GPIOx->AFR[GPIO_PinSource >> 0x03] = temp_2;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_i2c.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_i2c.c
new file mode 100644
index 00000000..d4138e3c
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_i2c.c
@@ -0,0 +1,1585 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_i2c.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the Inter-Integrated circuit (I2C):
+ * + Initialization and Configuration
+ * + Communications handling
+ * + SMBUS management
+ * + I2C registers management
+ * + Data transfers management
+ * + DMA transfers management
+ * + Interrupts and flags management
+ *
+ * @verbatim
+ ============================================================================
+ ##### How to use this driver #####
+ ============================================================================
+ [..]
+ (#) Enable peripheral clock using RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2Cx, ENABLE)
+ function for I2C1 or I2C2.
+ (#) Enable SDA, SCL and SMBA (when used) GPIO clocks using
+ RCC_AHBPeriphClockCmd() function.
+ (#) Peripherals alternate function:
+ (++) Connect the pin to the desired peripherals' Alternate
+ Function (AF) using GPIO_PinAFConfig() function.
+ (++) Configure the desired pin in alternate function by:
+ GPIO_InitStruct->GPIO_Mode = GPIO_Mode_AF
+ (++) Select the type, OpenDrain and speed via
+ GPIO_PuPd, GPIO_OType and GPIO_Speed members
+ (++) Call GPIO_Init() function.
+ (#) Program the Mode, Timing , Own address, Ack and Acknowledged Address
+ using the I2C_Init() function.
+ (#) Optionally you can enable/configure the following parameters without
+ re-initialization (i.e there is no need to call again I2C_Init() function):
+ (++) Enable the acknowledge feature using I2C_AcknowledgeConfig() function.
+ (++) Enable the dual addressing mode using I2C_DualAddressCmd() function.
+ (++) Enable the general call using the I2C_GeneralCallCmd() function.
+ (++) Enable the clock stretching using I2C_StretchClockCmd() function.
+ (++) Enable the PEC Calculation using I2C_CalculatePEC() function.
+ (++) For SMBus Mode:
+ (+++) Enable the SMBusAlert pin using I2C_SMBusAlertCmd() function.
+ (#) Enable the NVIC and the corresponding interrupt using the function
+ I2C_ITConfig() if you need to use interrupt mode.
+ (#) When using the DMA mode
+ (++) Configure the DMA using DMA_Init() function.
+ (++) Active the needed channel Request using I2C_DMACmd() function.
+ (#) Enable the I2C using the I2C_Cmd() function.
+ (#) Enable the DMA using the DMA_Cmd() function when using DMA mode in the
+ transfers.
+ [..]
+ (@) When using I2C in Fast Mode Plus, SCL and SDA pin 20mA current drive capability
+ must be enabled by setting the driving capability control bit in SYSCFG.
+
+ @endverbatim
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_i2c.h"
+#include "stm32f0xx_rcc.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup I2C
+ * @brief I2C driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+
+#define CR1_CLEAR_MASK ((uint32_t)0x00CFE0FF) /*I2C_AnalogFilter));
+ assert_param(IS_I2C_DIGITAL_FILTER(I2C_InitStruct->I2C_DigitalFilter));
+ assert_param(IS_I2C_MODE(I2C_InitStruct->I2C_Mode));
+ assert_param(IS_I2C_OWN_ADDRESS1(I2C_InitStruct->I2C_OwnAddress1));
+ assert_param(IS_I2C_ACK(I2C_InitStruct->I2C_Ack));
+ assert_param(IS_I2C_ACKNOWLEDGE_ADDRESS(I2C_InitStruct->I2C_AcknowledgedAddress));
+
+ /* Disable I2Cx Peripheral */
+ I2Cx->CR1 &= (uint32_t)~((uint32_t)I2C_CR1_PE);
+
+ /*---------------------------- I2Cx FILTERS Configuration ------------------*/
+ /* Get the I2Cx CR1 value */
+ tmpreg = I2Cx->CR1;
+ /* Clear I2Cx CR1 register */
+ tmpreg &= CR1_CLEAR_MASK;
+ /* Configure I2Cx: analog and digital filter */
+ /* Set ANFOFF bit according to I2C_AnalogFilter value */
+ /* Set DFN bits according to I2C_DigitalFilter value */
+ tmpreg |= (uint32_t)I2C_InitStruct->I2C_AnalogFilter |(I2C_InitStruct->I2C_DigitalFilter << 8);
+
+ /* Write to I2Cx CR1 */
+ I2Cx->CR1 = tmpreg;
+
+ /*---------------------------- I2Cx TIMING Configuration -------------------*/
+ /* Configure I2Cx: Timing */
+ /* Set TIMINGR bits according to I2C_Timing */
+ /* Write to I2Cx TIMING */
+ I2Cx->TIMINGR = I2C_InitStruct->I2C_Timing & TIMING_CLEAR_MASK;
+
+ /* Enable I2Cx Peripheral */
+ I2Cx->CR1 |= I2C_CR1_PE;
+
+ /*---------------------------- I2Cx OAR1 Configuration ---------------------*/
+ /* Clear tmpreg local variable */
+ tmpreg = 0;
+ /* Clear OAR1 register */
+ I2Cx->OAR1 = (uint32_t)tmpreg;
+ /* Clear OAR2 register */
+ I2Cx->OAR2 = (uint32_t)tmpreg;
+ /* Configure I2Cx: Own Address1 and acknowledged address */
+ /* Set OA1MODE bit according to I2C_AcknowledgedAddress value */
+ /* Set OA1 bits according to I2C_OwnAddress1 value */
+ tmpreg = (uint32_t)((uint32_t)I2C_InitStruct->I2C_AcknowledgedAddress | \
+ (uint32_t)I2C_InitStruct->I2C_OwnAddress1);
+ /* Write to I2Cx OAR1 */
+ I2Cx->OAR1 = tmpreg;
+ /* Enable Own Address1 acknowledgement */
+ I2Cx->OAR1 |= I2C_OAR1_OA1EN;
+
+ /*---------------------------- I2Cx MODE Configuration ---------------------*/
+ /* Configure I2Cx: mode */
+ /* Set SMBDEN and SMBHEN bits according to I2C_Mode value */
+ tmpreg = I2C_InitStruct->I2C_Mode;
+ /* Write to I2Cx CR1 */
+ I2Cx->CR1 |= tmpreg;
+
+ /*---------------------------- I2Cx ACK Configuration ----------------------*/
+ /* Get the I2Cx CR2 value */
+ tmpreg = I2Cx->CR2;
+ /* Clear I2Cx CR2 register */
+ tmpreg &= CR2_CLEAR_MASK;
+ /* Configure I2Cx: acknowledgement */
+ /* Set NACK bit according to I2C_Ack value */
+ tmpreg |= I2C_InitStruct->I2C_Ack;
+ /* Write to I2Cx CR2 */
+ I2Cx->CR2 = tmpreg;
+}
+
+/**
+ * @brief Fills each I2C_InitStruct member with its default value.
+ * @param I2C_InitStruct: pointer to an I2C_InitTypeDef structure which will be initialized.
+ * @retval None
+ */
+void I2C_StructInit(I2C_InitTypeDef* I2C_InitStruct)
+{
+ /*---------------- Reset I2C init structure parameters values --------------*/
+ /* Initialize the I2C_Timing member */
+ I2C_InitStruct->I2C_Timing = 0;
+ /* Initialize the I2C_AnalogFilter member */
+ I2C_InitStruct->I2C_AnalogFilter = I2C_AnalogFilter_Enable;
+ /* Initialize the I2C_DigitalFilter member */
+ I2C_InitStruct->I2C_DigitalFilter = 0;
+ /* Initialize the I2C_Mode member */
+ I2C_InitStruct->I2C_Mode = I2C_Mode_I2C;
+ /* Initialize the I2C_OwnAddress1 member */
+ I2C_InitStruct->I2C_OwnAddress1 = 0;
+ /* Initialize the I2C_Ack member */
+ I2C_InitStruct->I2C_Ack = I2C_Ack_Disable;
+ /* Initialize the I2C_AcknowledgedAddress member */
+ I2C_InitStruct->I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;
+}
+
+/**
+ * @brief Enables or disables the specified I2C peripheral.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param NewState: new state of the I2Cx peripheral.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void I2C_Cmd(I2C_TypeDef* I2Cx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected I2C peripheral */
+ I2Cx->CR1 |= I2C_CR1_PE;
+ }
+ else
+ {
+ /* Disable the selected I2C peripheral */
+ I2Cx->CR1 &= (uint32_t)~((uint32_t)I2C_CR1_PE);
+ }
+}
+
+/**
+ * @brief Enables or disables the specified I2C software reset.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @retval None
+ */
+void I2C_SoftwareResetCmd(I2C_TypeDef* I2Cx)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+
+ /* Disable peripheral */
+ I2Cx->CR1 &= (uint32_t)~((uint32_t)I2C_CR1_PE);
+
+ /* Perform a dummy read to delay the disable of peripheral for minimum
+ 3 APB clock cycles to perform the software reset functionality */
+ *(__IO uint32_t *)(uint32_t)I2Cx;
+
+ /* Enable peripheral */
+ I2Cx->CR1 |= I2C_CR1_PE;
+}
+
+/**
+ * @brief Enables or disables the specified I2C interrupts.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param I2C_IT: specifies the I2C interrupts sources to be enabled or disabled.
+ * This parameter can be any combination of the following values:
+ * @arg I2C_IT_ERRI: Error interrupt mask
+ * @arg I2C_IT_TCI: Transfer Complete interrupt mask
+ * @arg I2C_IT_STOPI: Stop Detection interrupt mask
+ * @arg I2C_IT_NACKI: Not Acknowledge received interrupt mask
+ * @arg I2C_IT_ADDRI: Address Match interrupt mask
+ * @arg I2C_IT_RXI: RX interrupt mask
+ * @arg I2C_IT_TXI: TX interrupt mask
+ * @param NewState: new state of the specified I2C interrupts.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void I2C_ITConfig(I2C_TypeDef* I2Cx, uint32_t I2C_IT, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+ assert_param(IS_I2C_CONFIG_IT(I2C_IT));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected I2C interrupts */
+ I2Cx->CR1 |= I2C_IT;
+ }
+ else
+ {
+ /* Disable the selected I2C interrupts */
+ I2Cx->CR1 &= (uint32_t)~((uint32_t)I2C_IT);
+ }
+}
+
+/**
+ * @brief Enables or disables the I2C Clock stretching.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param NewState: new state of the I2Cx Clock stretching.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void I2C_StretchClockCmd(I2C_TypeDef* I2Cx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable clock stretching */
+ I2Cx->CR1 &= (uint32_t)~((uint32_t)I2C_CR1_NOSTRETCH);
+ }
+ else
+ {
+ /* Disable clock stretching */
+ I2Cx->CR1 |= I2C_CR1_NOSTRETCH;
+ }
+}
+
+/**
+ * @brief Enables or disables I2C wakeup from stop mode.
+ * This function is not applicable for STM32F030 devices.
+ * @param I2Cx: where x can be 1 to select the I2C peripheral.
+ * @param NewState: new state of the I2Cx stop mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void I2C_StopModeCmd(I2C_TypeDef* I2Cx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_1_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable wakeup from stop mode */
+ I2Cx->CR1 |= I2C_CR1_WUPEN;
+ }
+ else
+ {
+ /* Disable wakeup from stop mode */
+ I2Cx->CR1 &= (uint32_t)~((uint32_t)I2C_CR1_WUPEN);
+ }
+}
+
+/**
+ * @brief Enables or disables the I2C own address 2.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param NewState: new state of the I2C own address 2.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void I2C_DualAddressCmd(I2C_TypeDef* I2Cx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable own address 2 */
+ I2Cx->OAR2 |= I2C_OAR2_OA2EN;
+ }
+ else
+ {
+ /* Disable own address 2 */
+ I2Cx->OAR2 &= (uint32_t)~((uint32_t)I2C_OAR2_OA2EN);
+ }
+}
+
+/**
+ * @brief Configures the I2C slave own address 2 and mask.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param Address: specifies the slave address to be programmed.
+ * @param Mask: specifies own address 2 mask to be programmed.
+ * This parameter can be one of the following values:
+ * @arg I2C_OA2_NoMask: no mask.
+ * @arg I2C_OA2_Mask01: OA2[1] is masked and don't care.
+ * @arg I2C_OA2_Mask02: OA2[2:1] are masked and don't care.
+ * @arg I2C_OA2_Mask03: OA2[3:1] are masked and don't care.
+ * @arg I2C_OA2_Mask04: OA2[4:1] are masked and don't care.
+ * @arg I2C_OA2_Mask05: OA2[5:1] are masked and don't care.
+ * @arg I2C_OA2_Mask06: OA2[6:1] are masked and don't care.
+ * @arg I2C_OA2_Mask07: OA2[7:1] are masked and don't care.
+ * @retval None
+ */
+void I2C_OwnAddress2Config(I2C_TypeDef* I2Cx, uint16_t Address, uint8_t Mask)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_I2C_OWN_ADDRESS2(Address));
+ assert_param(IS_I2C_OWN_ADDRESS2_MASK(Mask));
+
+ /* Get the old register value */
+ tmpreg = I2Cx->OAR2;
+
+ /* Reset I2Cx OA2 bit [7:1] and OA2MSK bit [1:0] */
+ tmpreg &= (uint32_t)~((uint32_t)(I2C_OAR2_OA2 | I2C_OAR2_OA2MSK));
+
+ /* Set I2Cx SADD */
+ tmpreg |= (uint32_t)(((uint32_t)Address & I2C_OAR2_OA2) | \
+ (((uint32_t)Mask << 8) & I2C_OAR2_OA2MSK)) ;
+
+ /* Store the new register value */
+ I2Cx->OAR2 = tmpreg;
+}
+
+/**
+ * @brief Enables or disables the I2C general call mode.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param NewState: new state of the I2C general call mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void I2C_GeneralCallCmd(I2C_TypeDef* I2Cx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable general call mode */
+ I2Cx->CR1 |= I2C_CR1_GCEN;
+ }
+ else
+ {
+ /* Disable general call mode */
+ I2Cx->CR1 &= (uint32_t)~((uint32_t)I2C_CR1_GCEN);
+ }
+}
+
+/**
+ * @brief Enables or disables the I2C slave byte control.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param NewState: new state of the I2C slave byte control.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void I2C_SlaveByteControlCmd(I2C_TypeDef* I2Cx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable slave byte control */
+ I2Cx->CR1 |= I2C_CR1_SBC;
+ }
+ else
+ {
+ /* Disable slave byte control */
+ I2Cx->CR1 &= (uint32_t)~((uint32_t)I2C_CR1_SBC);
+ }
+}
+
+/**
+ * @brief Configures the slave address to be transmitted after start generation.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param Address: specifies the slave address to be programmed.
+ * @note This function should be called before generating start condition.
+ * @retval None
+ */
+void I2C_SlaveAddressConfig(I2C_TypeDef* I2Cx, uint16_t Address)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_I2C_SLAVE_ADDRESS(Address));
+
+ /* Get the old register value */
+ tmpreg = I2Cx->CR2;
+
+ /* Reset I2Cx SADD bit [9:0] */
+ tmpreg &= (uint32_t)~((uint32_t)I2C_CR2_SADD);
+
+ /* Set I2Cx SADD */
+ tmpreg |= (uint32_t)((uint32_t)Address & I2C_CR2_SADD);
+
+ /* Store the new register value */
+ I2Cx->CR2 = tmpreg;
+}
+
+/**
+ * @brief Enables or disables the I2C 10-bit addressing mode for the master.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param NewState: new state of the I2C 10-bit addressing mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @note This function should be called before generating start condition.
+ * @retval None
+ */
+void I2C_10BitAddressingModeCmd(I2C_TypeDef* I2Cx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable 10-bit addressing mode */
+ I2Cx->CR2 |= I2C_CR2_ADD10;
+ }
+ else
+ {
+ /* Disable 10-bit addressing mode */
+ I2Cx->CR2 &= (uint32_t)~((uint32_t)I2C_CR2_ADD10);
+ }
+}
+
+/**
+ * @}
+ */
+
+
+/** @defgroup I2C_Group2 Communications handling functions
+ * @brief Communications handling functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Communications handling functions #####
+ ===============================================================================
+ [..] This section provides a set of functions that handles I2C communication.
+
+ [..] Automatic End mode is enabled using I2C_AutoEndCmd() function. When Reload
+ mode is enabled via I2C_ReloadCmd() AutoEnd bit has no effect.
+
+ [..] I2C_NumberOfBytesConfig() function set the number of bytes to be transferred,
+ this configuration should be done before generating start condition in master
+ mode.
+
+ [..] When switching from master write operation to read operation in 10Bit addressing
+ mode, master can only sends the 1st 7 bits of the 10 bit address, followed by
+ Read direction by enabling HEADR bit using I2C_10BitAddressHeader() function.
+
+ [..] In master mode, when transferring more than 255 bytes Reload mode should be used
+ to handle communication. In the first phase of transfer, Nbytes should be set to
+ 255. After transferring these bytes TCR flag is set and I2C_TransferHandling()
+ function should be called to handle remaining communication.
+
+ [..] In master mode, when software end mode is selected when all data is transferred
+ TC flag is set I2C_TransferHandling() function should be called to generate STOP
+ or generate ReStart.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the I2C automatic end mode (stop condition is
+ * automatically sent when nbytes data are transferred).
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param NewState: new state of the I2C automatic end mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @note This function has effect if Reload mode is disabled.
+ * @retval None
+ */
+void I2C_AutoEndCmd(I2C_TypeDef* I2Cx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable Auto end mode */
+ I2Cx->CR2 |= I2C_CR2_AUTOEND;
+ }
+ else
+ {
+ /* Disable Auto end mode */
+ I2Cx->CR2 &= (uint32_t)~((uint32_t)I2C_CR2_AUTOEND);
+ }
+}
+
+/**
+ * @brief Enables or disables the I2C nbytes reload mode.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param NewState: new state of the nbytes reload mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void I2C_ReloadCmd(I2C_TypeDef* I2Cx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable Auto Reload mode */
+ I2Cx->CR2 |= I2C_CR2_RELOAD;
+ }
+ else
+ {
+ /* Disable Auto Reload mode */
+ I2Cx->CR2 &= (uint32_t)~((uint32_t)I2C_CR2_RELOAD);
+ }
+}
+
+/**
+ * @brief Configures the number of bytes to be transmitted/received.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param Number_Bytes: specifies the number of bytes to be programmed.
+ * @retval None
+ */
+void I2C_NumberOfBytesConfig(I2C_TypeDef* I2Cx, uint8_t Number_Bytes)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+
+ /* Get the old register value */
+ tmpreg = I2Cx->CR2;
+
+ /* Reset I2Cx Nbytes bit [7:0] */
+ tmpreg &= (uint32_t)~((uint32_t)I2C_CR2_NBYTES);
+
+ /* Set I2Cx Nbytes */
+ tmpreg |= (uint32_t)(((uint32_t)Number_Bytes << 16 ) & I2C_CR2_NBYTES);
+
+ /* Store the new register value */
+ I2Cx->CR2 = tmpreg;
+}
+
+/**
+ * @brief Configures the type of transfer request for the master.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param I2C_Direction: specifies the transfer request direction to be programmed.
+ * This parameter can be one of the following values:
+ * @arg I2C_Direction_Transmitter: Master request a write transfer
+ * @arg I2C_Direction_Receiver: Master request a read transfer
+ * @retval None
+ */
+void I2C_MasterRequestConfig(I2C_TypeDef* I2Cx, uint16_t I2C_Direction)
+{
+/* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_I2C_DIRECTION(I2C_Direction));
+
+ /* Test on the direction to set/reset the read/write bit */
+ if (I2C_Direction == I2C_Direction_Transmitter)
+ {
+ /* Request a write Transfer */
+ I2Cx->CR2 &= (uint32_t)~((uint32_t)I2C_CR2_RD_WRN);
+ }
+ else
+ {
+ /* Request a read Transfer */
+ I2Cx->CR2 |= I2C_CR2_RD_WRN;
+ }
+}
+
+/**
+ * @brief Generates I2Cx communication START condition.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param NewState: new state of the I2C START condition generation.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void I2C_GenerateSTART(I2C_TypeDef* I2Cx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Generate a START condition */
+ I2Cx->CR2 |= I2C_CR2_START;
+ }
+ else
+ {
+ /* Disable the START condition generation */
+ I2Cx->CR2 &= (uint32_t)~((uint32_t)I2C_CR2_START);
+ }
+}
+
+/**
+ * @brief Generates I2Cx communication STOP condition.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param NewState: new state of the I2C STOP condition generation.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void I2C_GenerateSTOP(I2C_TypeDef* I2Cx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Generate a STOP condition */
+ I2Cx->CR2 |= I2C_CR2_STOP;
+ }
+ else
+ {
+ /* Disable the STOP condition generation */
+ I2Cx->CR2 &= (uint32_t)~((uint32_t)I2C_CR2_STOP);
+ }
+}
+
+/**
+ * @brief Enables or disables the I2C 10-bit header only mode with read direction.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param NewState: new state of the I2C 10-bit header only mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @note This mode can be used only when switching from master transmitter mode
+ * to master receiver mode.
+ * @retval None
+ */
+void I2C_10BitAddressHeaderCmd(I2C_TypeDef* I2Cx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable 10-bit header only mode */
+ I2Cx->CR2 |= I2C_CR2_HEAD10R;
+ }
+ else
+ {
+ /* Disable 10-bit header only mode */
+ I2Cx->CR2 &= (uint32_t)~((uint32_t)I2C_CR2_HEAD10R);
+ }
+}
+
+/**
+ * @brief Generates I2C communication Acknowledge.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param NewState: new state of the Acknowledge.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void I2C_AcknowledgeConfig(I2C_TypeDef* I2Cx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable ACK generation */
+ I2Cx->CR2 &= (uint32_t)~((uint32_t)I2C_CR2_NACK);
+ }
+ else
+ {
+ /* Enable NACK generation */
+ I2Cx->CR2 |= I2C_CR2_NACK;
+ }
+}
+
+/**
+ * @brief Returns the I2C slave matched address .
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @retval The value of the slave matched address .
+ */
+uint8_t I2C_GetAddressMatched(I2C_TypeDef* I2Cx)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+
+ /* Return the slave matched address in the SR1 register */
+ return (uint8_t)(((uint32_t)I2Cx->ISR & I2C_ISR_ADDCODE) >> 16) ;
+}
+
+/**
+ * @brief Returns the I2C slave received request.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @retval The value of the received request.
+ */
+uint16_t I2C_GetTransferDirection(I2C_TypeDef* I2Cx)
+{
+ uint32_t tmpreg = 0;
+ uint16_t direction = 0;
+
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+
+ /* Return the slave matched address in the SR1 register */
+ tmpreg = (uint32_t)(I2Cx->ISR & I2C_ISR_DIR);
+
+ /* If write transfer is requested */
+ if (tmpreg == 0)
+ {
+ /* write transfer is requested */
+ direction = I2C_Direction_Transmitter;
+ }
+ else
+ {
+ /* Read transfer is requested */
+ direction = I2C_Direction_Receiver;
+ }
+ return direction;
+}
+
+/**
+ * @brief Handles I2Cx communication when starting transfer or during transfer (TC or TCR flag are set).
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param Address: specifies the slave address to be programmed.
+ * @param Number_Bytes: specifies the number of bytes to be programmed.
+ * This parameter must be a value between 0 and 255.
+ * @param ReloadEndMode: new state of the I2C START condition generation.
+ * This parameter can be one of the following values:
+ * @arg I2C_Reload_Mode: Enable Reload mode .
+ * @arg I2C_AutoEnd_Mode: Enable Automatic end mode.
+ * @arg I2C_SoftEnd_Mode: Enable Software end mode.
+ * @param StartStopMode: new state of the I2C START condition generation.
+ * This parameter can be one of the following values:
+ * @arg I2C_No_StartStop: Don't Generate stop and start condition.
+ * @arg I2C_Generate_Stop: Generate stop condition (Number_Bytes should be set to 0).
+ * @arg I2C_Generate_Start_Read: Generate Restart for read request.
+ * @arg I2C_Generate_Start_Write: Generate Restart for write request.
+ * @retval None
+ */
+void I2C_TransferHandling(I2C_TypeDef* I2Cx, uint16_t Address, uint8_t Number_Bytes, uint32_t ReloadEndMode, uint32_t StartStopMode)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_I2C_SLAVE_ADDRESS(Address));
+ assert_param(IS_RELOAD_END_MODE(ReloadEndMode));
+ assert_param(IS_START_STOP_MODE(StartStopMode));
+
+ /* Get the CR2 register value */
+ tmpreg = I2Cx->CR2;
+
+ /* clear tmpreg specific bits */
+ tmpreg &= (uint32_t)~((uint32_t)(I2C_CR2_SADD | I2C_CR2_NBYTES | I2C_CR2_RELOAD | I2C_CR2_AUTOEND | I2C_CR2_RD_WRN | I2C_CR2_START | I2C_CR2_STOP));
+
+ /* update tmpreg */
+ tmpreg |= (uint32_t)(((uint32_t)Address & I2C_CR2_SADD) | (((uint32_t)Number_Bytes << 16 ) & I2C_CR2_NBYTES) | \
+ (uint32_t)ReloadEndMode | (uint32_t)StartStopMode);
+
+ /* update CR2 register */
+ I2Cx->CR2 = tmpreg;
+}
+
+/**
+ * @}
+ */
+
+
+/** @defgroup I2C_Group3 SMBUS management functions
+ * @brief SMBUS management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### SMBUS management functions #####
+ ===============================================================================
+ [..] This section provides a set of functions that handles SMBus communication
+ and timeouts detection.
+
+ [..] The SMBus Device default address (0b1100 001) is enabled by calling I2C_Init()
+ function and setting I2C_Mode member of I2C_InitTypeDef() structure to
+ I2C_Mode_SMBusDevice.
+
+ [..] The SMBus Host address (0b0001 000) is enabled by calling I2C_Init()
+ function and setting I2C_Mode member of I2C_InitTypeDef() structure to
+ I2C_Mode_SMBusHost.
+
+ [..] The Alert Response Address (0b0001 100) is enabled using I2C_SMBusAlertCmd()
+ function.
+
+ [..] To detect cumulative SCL stretch in master and slave mode, TIMEOUTB should be
+ configured (in accordance to SMBus specification) using I2C_TimeoutBConfig()
+ function then I2C_ExtendedClockTimeoutCmd() function should be called to enable
+ the detection.
+
+ [..] SCL low timeout is detected by configuring TIMEOUTB using I2C_TimeoutBConfig()
+ function followed by the call of I2C_ClockTimeoutCmd(). When adding to this
+ procedure the call of I2C_IdleClockTimeoutCmd() function, Bus Idle condition
+ (both SCL and SDA high) is detected also.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables I2C SMBus alert.
+ * @param I2Cx: where x can be 1 to select the I2C peripheral.
+ * @param NewState: new state of the I2Cx SMBus alert.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void I2C_SMBusAlertCmd(I2C_TypeDef* I2Cx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_1_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable SMBus alert */
+ I2Cx->CR1 |= I2C_CR1_ALERTEN;
+ }
+ else
+ {
+ /* Disable SMBus alert */
+ I2Cx->CR1 &= (uint32_t)~((uint32_t)I2C_CR1_ALERTEN);
+ }
+}
+
+/**
+ * @brief Enables or disables I2C Clock Timeout (SCL Timeout detection).
+ * @param I2Cx: where x can be 1 to select the I2C peripheral.
+ * @param NewState: new state of the I2Cx clock Timeout.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void I2C_ClockTimeoutCmd(I2C_TypeDef* I2Cx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_1_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable Clock Timeout */
+ I2Cx->TIMEOUTR |= I2C_TIMEOUTR_TIMOUTEN;
+ }
+ else
+ {
+ /* Disable Clock Timeout */
+ I2Cx->TIMEOUTR &= (uint32_t)~((uint32_t)I2C_TIMEOUTR_TIMOUTEN);
+ }
+}
+
+/**
+ * @brief Enables or disables I2C Extended Clock Timeout (SCL cumulative Timeout detection).
+ * @param I2Cx: where x can be 1 to select the I2C peripheral.
+ * @param NewState: new state of the I2Cx Extended clock Timeout.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void I2C_ExtendedClockTimeoutCmd(I2C_TypeDef* I2Cx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_1_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable Clock Timeout */
+ I2Cx->TIMEOUTR |= I2C_TIMEOUTR_TEXTEN;
+ }
+ else
+ {
+ /* Disable Clock Timeout */
+ I2Cx->TIMEOUTR &= (uint32_t)~((uint32_t)I2C_TIMEOUTR_TEXTEN);
+ }
+}
+
+/**
+ * @brief Enables or disables I2C Idle Clock Timeout (Bus idle SCL and SDA
+ * high detection).
+ * @param I2Cx: where x can be 1 to select the I2C peripheral.
+ * @param NewState: new state of the I2Cx Idle clock Timeout.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void I2C_IdleClockTimeoutCmd(I2C_TypeDef* I2Cx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_1_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable Clock Timeout */
+ I2Cx->TIMEOUTR |= I2C_TIMEOUTR_TIDLE;
+ }
+ else
+ {
+ /* Disable Clock Timeout */
+ I2Cx->TIMEOUTR &= (uint32_t)~((uint32_t)I2C_TIMEOUTR_TIDLE);
+ }
+}
+
+/**
+ * @brief Configures the I2C Bus Timeout A (SCL Timeout when TIDLE = 0 or Bus
+ * idle SCL and SDA high when TIDLE = 1).
+ * @param I2Cx: where x can be 1 to select the I2C peripheral.
+ * @param Timeout: specifies the TimeoutA to be programmed.
+ * @retval None
+ */
+void I2C_TimeoutAConfig(I2C_TypeDef* I2Cx, uint16_t Timeout)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_I2C_1_PERIPH(I2Cx));
+ assert_param(IS_I2C_TIMEOUT(Timeout));
+
+ /* Get the old register value */
+ tmpreg = I2Cx->TIMEOUTR;
+
+ /* Reset I2Cx TIMEOUTA bit [11:0] */
+ tmpreg &= (uint32_t)~((uint32_t)I2C_TIMEOUTR_TIMEOUTA);
+
+ /* Set I2Cx TIMEOUTA */
+ tmpreg |= (uint32_t)((uint32_t)Timeout & I2C_TIMEOUTR_TIMEOUTA) ;
+
+ /* Store the new register value */
+ I2Cx->TIMEOUTR = tmpreg;
+}
+
+/**
+ * @brief Configures the I2C Bus Timeout B (SCL cumulative Timeout).
+ * @param I2Cx: where x can be 1 to select the I2C peripheral.
+ * @param Timeout: specifies the TimeoutB to be programmed.
+ * @retval None
+ */
+void I2C_TimeoutBConfig(I2C_TypeDef* I2Cx, uint16_t Timeout)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_I2C_1_PERIPH(I2Cx));
+ assert_param(IS_I2C_TIMEOUT(Timeout));
+
+ /* Get the old register value */
+ tmpreg = I2Cx->TIMEOUTR;
+
+ /* Reset I2Cx TIMEOUTB bit [11:0] */
+ tmpreg &= (uint32_t)~((uint32_t)I2C_TIMEOUTR_TIMEOUTB);
+
+ /* Set I2Cx TIMEOUTB */
+ tmpreg |= (uint32_t)(((uint32_t)Timeout << 16) & I2C_TIMEOUTR_TIMEOUTB) ;
+
+ /* Store the new register value */
+ I2Cx->TIMEOUTR = tmpreg;
+}
+
+/**
+ * @brief Enables or disables I2C PEC calculation.
+ * @param I2Cx: where x can be 1 to select the I2C peripheral.
+ * @param NewState: new state of the I2Cx PEC calculation.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void I2C_CalculatePEC(I2C_TypeDef* I2Cx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_1_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable PEC calculation */
+ I2Cx->CR1 |= I2C_CR1_PECEN;
+ }
+ else
+ {
+ /* Disable PEC calculation */
+ I2Cx->CR1 &= (uint32_t)~((uint32_t)I2C_CR1_PECEN);
+ }
+}
+
+/**
+ * @brief Enables or disables I2C PEC transmission/reception request.
+ * @param I2Cx: where x can be 1 to select the I2C peripheral.
+ * @param NewState: new state of the I2Cx PEC request.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void I2C_PECRequestCmd(I2C_TypeDef* I2Cx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_1_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable PEC transmission/reception request */
+ I2Cx->CR2 |= I2C_CR2_PECBYTE;
+ }
+ else
+ {
+ /* Disable PEC transmission/reception request */
+ I2Cx->CR2 &= (uint32_t)~((uint32_t)I2C_CR2_PECBYTE);
+ }
+}
+
+/**
+ * @brief Returns the I2C PEC.
+ * @param I2Cx: where x can be 1 to select the I2C peripheral.
+ * @retval The value of the PEC .
+ */
+uint8_t I2C_GetPEC(I2C_TypeDef* I2Cx)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_1_PERIPH(I2Cx));
+
+ /* Return the slave matched address in the SR1 register */
+ return (uint8_t)((uint32_t)I2Cx->PECR & I2C_PECR_PEC);
+}
+
+/**
+ * @}
+ */
+
+
+/** @defgroup I2C_Group4 I2C registers management functions
+ * @brief I2C registers management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### I2C registers management functions #####
+ ===============================================================================
+ [..] This section provides a functions that allow user the management of
+ I2C registers.
+
+@endverbatim
+ * @{
+ */
+
+ /**
+ * @brief Reads the specified I2C register and returns its value.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param I2C_Register: specifies the register to read.
+ * This parameter can be one of the following values:
+ * @arg I2C_Register_CR1: CR1 register.
+ * @arg I2C_Register_CR2: CR2 register.
+ * @arg I2C_Register_OAR1: OAR1 register.
+ * @arg I2C_Register_OAR2: OAR2 register.
+ * @arg I2C_Register_TIMINGR: TIMING register.
+ * @arg I2C_Register_TIMEOUTR: TIMEOUTR register.
+ * @arg I2C_Register_ISR: ISR register.
+ * @arg I2C_Register_ICR: ICR register.
+ * @arg I2C_Register_PECR: PECR register.
+ * @arg I2C_Register_RXDR: RXDR register.
+ * @arg I2C_Register_TXDR: TXDR register.
+ * @retval The value of the read register.
+ */
+uint32_t I2C_ReadRegister(I2C_TypeDef* I2Cx, uint8_t I2C_Register)
+{
+ __IO uint32_t tmp = 0;
+
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_I2C_REGISTER(I2C_Register));
+
+ tmp = (uint32_t)I2Cx;
+ tmp += I2C_Register;
+
+ /* Return the selected register value */
+ return (*(__IO uint32_t *) tmp);
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup I2C_Group5 Data transfers management functions
+ * @brief Data transfers management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Data transfers management functions #####
+ ===============================================================================
+ [..] This subsection provides a set of functions allowing to manage
+ the I2C data transfers.
+
+ [..] The read access of the I2C_RXDR register can be done using
+ the I2C_ReceiveData() function and returns the received value.
+ Whereas a write access to the I2C_TXDR can be done using I2C_SendData()
+ function and stores the written data into TXDR.
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Sends a data byte through the I2Cx peripheral.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param Data: Byte to be transmitted..
+ * @retval None
+ */
+void I2C_SendData(I2C_TypeDef* I2Cx, uint8_t Data)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+
+ /* Write in the DR register the data to be sent */
+ I2Cx->TXDR = (uint8_t)Data;
+}
+
+/**
+ * @brief Returns the most recent received data by the I2Cx peripheral.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @retval The value of the received data.
+ */
+uint8_t I2C_ReceiveData(I2C_TypeDef* I2Cx)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+
+ /* Return the data in the DR register */
+ return (uint8_t)I2Cx->RXDR;
+}
+
+/**
+ * @}
+ */
+
+
+/** @defgroup I2C_Group6 DMA transfers management functions
+ * @brief DMA transfers management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### DMA transfers management functions #####
+ ===============================================================================
+ [..] This section provides two functions that can be used only in DMA mode.
+ [..] In DMA Mode, the I2C communication can be managed by 2 DMA Channel
+ requests:
+ (#) I2C_DMAReq_Tx: specifies the Tx buffer DMA transfer request.
+ (#) I2C_DMAReq_Rx: specifies the Rx buffer DMA transfer request.
+ [..] In this Mode it is advised to use the following function:
+ (+) I2C_DMACmd(I2C_TypeDef* I2Cx, uint32_t I2C_DMAReq, FunctionalState NewState);
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the I2C DMA interface.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param I2C_DMAReq: specifies the I2C DMA transfer request to be enabled or disabled.
+ * This parameter can be any combination of the following values:
+ * @arg I2C_DMAReq_Tx: Tx DMA transfer request
+ * @arg I2C_DMAReq_Rx: Rx DMA transfer request
+ * @param NewState: new state of the selected I2C DMA transfer request.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void I2C_DMACmd(I2C_TypeDef* I2Cx, uint32_t I2C_DMAReq, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+ assert_param(IS_I2C_DMA_REQ(I2C_DMAReq));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected I2C DMA requests */
+ I2Cx->CR1 |= I2C_DMAReq;
+ }
+ else
+ {
+ /* Disable the selected I2C DMA requests */
+ I2Cx->CR1 &= (uint32_t)~I2C_DMAReq;
+ }
+}
+/**
+ * @}
+ */
+
+
+/** @defgroup I2C_Group7 Interrupts and flags management functions
+ * @brief Interrupts and flags management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Interrupts and flags management functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to configure the I2C Interrupts
+ sources and check or clear the flags or pending bits status.
+ The user should identify which mode will be used in his application to manage
+ the communication: Polling mode, Interrupt mode or DMA mode(refer I2C_Group6).
+
+ *** Polling Mode ***
+ ====================
+ [..] In Polling Mode, the I2C communication can be managed by 15 flags:
+ (#) I2C_FLAG_TXE: to indicate the status of Transmit data register empty flag.
+ (#) I2C_FLAG_TXIS: to indicate the status of Transmit interrupt status flag .
+ (#) I2C_FLAG_RXNE: to indicate the status of Receive data register not empty flag.
+ (#) I2C_FLAG_ADDR: to indicate the status of Address matched flag (slave mode).
+ (#) I2C_FLAG_NACKF: to indicate the status of NACK received flag.
+ (#) I2C_FLAG_STOPF: to indicate the status of STOP detection flag.
+ (#) I2C_FLAG_TC: to indicate the status of Transfer complete flag(master mode).
+ (#) I2C_FLAG_TCR: to indicate the status of Transfer complete reload flag.
+ (#) I2C_FLAG_BERR: to indicate the status of Bus error flag.
+ (#) I2C_FLAG_ARLO: to indicate the status of Arbitration lost flag.
+ (#) I2C_FLAG_OVR: to indicate the status of Overrun/Underrun flag.
+ (#) I2C_FLAG_PECERR: to indicate the status of PEC error in reception flag.
+ (#) I2C_FLAG_TIMEOUT: to indicate the status of Timeout or Tlow detection flag.
+ (#) I2C_FLAG_ALERT: to indicate the status of SMBus Alert flag.
+ (#) I2C_FLAG_BUSY: to indicate the status of Bus busy flag.
+
+ [..] In this Mode it is advised to use the following functions:
+ (+) FlagStatus I2C_GetFlagStatus(I2C_TypeDef* I2Cx, uint32_t I2C_FLAG);
+ (+) void I2C_ClearFlag(I2C_TypeDef* I2Cx, uint32_t I2C_FLAG);
+
+ [..]
+ (@)Do not use the BUSY flag to handle each data transmission or reception.It is
+ better to use the TXIS and RXNE flags instead.
+
+ *** Interrupt Mode ***
+ ======================
+ [..] In Interrupt Mode, the I2C communication can be managed by 7 interrupt sources
+ and 15 pending bits:
+ [..] Interrupt Source:
+ (#) I2C_IT_ERRI: specifies the interrupt source for the Error interrupt.
+ (#) I2C_IT_TCI: specifies the interrupt source for the Transfer Complete interrupt.
+ (#) I2C_IT_STOPI: specifies the interrupt source for the Stop Detection interrupt.
+ (#) I2C_IT_NACKI: specifies the interrupt source for the Not Acknowledge received interrupt.
+ (#) I2C_IT_ADDRI: specifies the interrupt source for the Address Match interrupt.
+ (#) I2C_IT_RXI: specifies the interrupt source for the RX interrupt.
+ (#) I2C_IT_TXI: specifies the interrupt source for the TX interrupt.
+
+ [..] Pending Bits:
+ (#) I2C_IT_TXIS: to indicate the status of Transmit interrupt status flag.
+ (#) I2C_IT_RXNE: to indicate the status of Receive data register not empty flag.
+ (#) I2C_IT_ADDR: to indicate the status of Address matched flag (slave mode).
+ (#) I2C_IT_NACKF: to indicate the status of NACK received flag.
+ (#) I2C_IT_STOPF: to indicate the status of STOP detection flag.
+ (#) I2C_IT_TC: to indicate the status of Transfer complete flag (master mode).
+ (#) I2C_IT_TCR: to indicate the status of Transfer complete reload flag.
+ (#) I2C_IT_BERR: to indicate the status of Bus error flag.
+ (#) I2C_IT_ARLO: to indicate the status of Arbitration lost flag.
+ (#) I2C_IT_OVR: to indicate the status of Overrun/Underrun flag.
+ (#) I2C_IT_PECERR: to indicate the status of PEC error in reception flag.
+ (#) I2C_IT_TIMEOUT: to indicate the status of Timeout or Tlow detection flag.
+ (#) I2C_IT_ALERT: to indicate the status of SMBus Alert flag.
+
+ [..] In this Mode it is advised to use the following functions:
+ (+) void I2C_ClearITPendingBit(I2C_TypeDef* I2Cx, uint32_t I2C_IT);
+ (+) ITStatus I2C_GetITStatus(I2C_TypeDef* I2Cx, uint32_t I2C_IT);
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Checks whether the specified I2C flag is set or not.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param I2C_FLAG: specifies the flag to check.
+ * This parameter can be one of the following values:
+ * @arg I2C_FLAG_TXE: Transmit data register empty
+ * @arg I2C_FLAG_TXIS: Transmit interrupt status
+ * @arg I2C_FLAG_RXNE: Receive data register not empty
+ * @arg I2C_FLAG_ADDR: Address matched (slave mode)
+ * @arg I2C_FLAG_NACKF: NACK received flag
+ * @arg I2C_FLAG_STOPF: STOP detection flag
+ * @arg I2C_FLAG_TC: Transfer complete (master mode)
+ * @arg I2C_FLAG_TCR: Transfer complete reload
+ * @arg I2C_FLAG_BERR: Bus error
+ * @arg I2C_FLAG_ARLO: Arbitration lost
+ * @arg I2C_FLAG_OVR: Overrun/Underrun
+ * @arg I2C_FLAG_PECERR: PEC error in reception
+ * @arg I2C_FLAG_TIMEOUT: Timeout or Tlow detection flag
+ * @arg I2C_FLAG_ALERT: SMBus Alert
+ * @arg I2C_FLAG_BUSY: Bus busy
+ * @retval The new state of I2C_FLAG (SET or RESET).
+ */
+FlagStatus I2C_GetFlagStatus(I2C_TypeDef* I2Cx, uint32_t I2C_FLAG)
+{
+ uint32_t tmpreg = 0;
+ FlagStatus bitstatus = RESET;
+
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_I2C_GET_FLAG(I2C_FLAG));
+
+ /* Get the ISR register value */
+ tmpreg = I2Cx->ISR;
+
+ /* Get flag status */
+ tmpreg &= I2C_FLAG;
+
+ if(tmpreg != 0)
+ {
+ /* I2C_FLAG is set */
+ bitstatus = SET;
+ }
+ else
+ {
+ /* I2C_FLAG is reset */
+ bitstatus = RESET;
+ }
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the I2Cx's pending flags.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param I2C_FLAG: specifies the flag to clear.
+ * This parameter can be any combination of the following values:
+ * @arg I2C_FLAG_ADDR: Address matched (slave mode)
+ * @arg I2C_FLAG_NACKF: NACK received flag
+ * @arg I2C_FLAG_STOPF: STOP detection flag
+ * @arg I2C_FLAG_BERR: Bus error
+ * @arg I2C_FLAG_ARLO: Arbitration lost
+ * @arg I2C_FLAG_OVR: Overrun/Underrun
+ * @arg I2C_FLAG_PECERR: PEC error in reception
+ * @arg I2C_FLAG_TIMEOUT: Timeout or Tlow detection flag
+ * @arg I2C_FLAG_ALERT: SMBus Alert
+ * @retval The new state of I2C_FLAG (SET or RESET).
+ */
+void I2C_ClearFlag(I2C_TypeDef* I2Cx, uint32_t I2C_FLAG)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_I2C_CLEAR_FLAG(I2C_FLAG));
+
+ /* Clear the selected flag */
+ I2Cx->ICR = I2C_FLAG;
+ }
+
+/**
+ * @brief Checks whether the specified I2C interrupt has occurred or not.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param I2C_IT: specifies the interrupt source to check.
+ * This parameter can be one of the following values:
+ * @arg I2C_IT_TXIS: Transmit interrupt status
+ * @arg I2C_IT_RXNE: Receive data register not empty
+ * @arg I2C_IT_ADDR: Address matched (slave mode)
+ * @arg I2C_IT_NACKF: NACK received flag
+ * @arg I2C_IT_STOPF: STOP detection flag
+ * @arg I2C_IT_TC: Transfer complete (master mode)
+ * @arg I2C_IT_TCR: Transfer complete reload
+ * @arg I2C_IT_BERR: Bus error
+ * @arg I2C_IT_ARLO: Arbitration lost
+ * @arg I2C_IT_OVR: Overrun/Underrun
+ * @arg I2C_IT_PECERR: PEC error in reception
+ * @arg I2C_IT_TIMEOUT: Timeout or Tlow detection flag
+ * @arg I2C_IT_ALERT: SMBus Alert
+ * @retval The new state of I2C_IT (SET or RESET).
+ */
+ITStatus I2C_GetITStatus(I2C_TypeDef* I2Cx, uint32_t I2C_IT)
+{
+ uint32_t tmpreg = 0;
+ ITStatus bitstatus = RESET;
+ uint32_t enablestatus = 0;
+
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_I2C_GET_IT(I2C_IT));
+
+ /* Check if the interrupt source is enabled or not */
+ /* If Error interrupt */
+ if ((uint32_t)(I2C_IT & ERROR_IT_MASK))
+ {
+ enablestatus = (uint32_t)((I2C_CR1_ERRIE) & (I2Cx->CR1));
+ }
+ /* If TC interrupt */
+ else if ((uint32_t)(I2C_IT & TC_IT_MASK))
+ {
+ enablestatus = (uint32_t)((I2C_CR1_TCIE) & (I2Cx->CR1));
+ }
+ else
+ {
+ enablestatus = (uint32_t)((I2C_IT) & (I2Cx->CR1));
+ }
+
+ /* Get the ISR register value */
+ tmpreg = I2Cx->ISR;
+
+ /* Get flag status */
+ tmpreg &= I2C_IT;
+
+ /* Check the status of the specified I2C flag */
+ if((tmpreg != RESET) && enablestatus)
+ {
+ /* I2C_IT is set */
+ bitstatus = SET;
+ }
+ else
+ {
+ /* I2C_IT is reset */
+ bitstatus = RESET;
+ }
+
+ /* Return the I2C_IT status */
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the I2Cx's interrupt pending bits.
+ * @param I2Cx: where x can be 1 or 2 to select the I2C peripheral.
+ * @param I2C_IT: specifies the interrupt pending bit to clear.
+ * This parameter can be any combination of the following values:
+ * @arg I2C_IT_ADDR: Address matched (slave mode)
+ * @arg I2C_IT_NACKF: NACK received flag
+ * @arg I2C_IT_STOPF: STOP detection flag
+ * @arg I2C_IT_BERR: Bus error
+ * @arg I2C_IT_ARLO: Arbitration lost
+ * @arg I2C_IT_OVR: Overrun/Underrun
+ * @arg I2C_IT_PECERR: PEC error in reception
+ * @arg I2C_IT_TIMEOUT: Timeout or Tlow detection flag
+ * @arg I2C_IT_ALERT: SMBus Alert
+ * @retval The new state of I2C_IT (SET or RESET).
+ */
+void I2C_ClearITPendingBit(I2C_TypeDef* I2Cx, uint32_t I2C_IT)
+{
+ /* Check the parameters */
+ assert_param(IS_I2C_ALL_PERIPH(I2Cx));
+ assert_param(IS_I2C_CLEAR_IT(I2C_IT));
+
+ /* Clear the selected flag */
+ I2Cx->ICR = I2C_IT;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_iwdg.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_iwdg.c
new file mode 100644
index 00000000..7f00dd17
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_iwdg.c
@@ -0,0 +1,293 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_iwdg.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the Independent watchdog (IWDG) peripheral:
+ * + Prescaler and Counter configuration
+ * + IWDG activation
+ * + Flag management
+ *
+ * @verbatim
+ *
+ ==============================================================================
+ ##### IWDG features #####
+ ==============================================================================
+ [..] The IWDG can be started by either software or hardware (configurable
+ through option byte).
+
+ [..] The IWDG is clocked by its own dedicated low-speed clock (LSI) and
+ thus stays active even if the main clock fails.
+ Once the IWDG is started, the LSI is forced ON and cannot be disabled
+ (LSI cannot be disabled too), and the counter starts counting down from
+ the reset value of 0xFFF. When it reaches the end of count value (0x000)
+ a system reset is generated.
+ The IWDG counter should be reloaded at regular intervals to prevent
+ an MCU reset.
+
+ [..] The IWDG is implemented in the VDD voltage domain that is still functional
+ in STOP and STANDBY mode (IWDG reset can wake-up from STANDBY).
+
+ [..] IWDGRST flag in RCC_CSR register can be used to inform when a IWDG
+ reset occurs.
+
+ [..] Min-max timeout value @40KHz (LSI): ~0.1ms / ~28.3s
+ The IWDG timeout may vary due to LSI frequency dispersion. STM32F0xx
+ devices provide the capability to measure the LSI frequency (LSI clock
+ should be seleted as RTC clock which is internally connected to TIM10 CH1
+ input capture). The measured value can be used to have an IWDG timeout with
+ an acceptable accuracy.
+ For more information, please refer to the STM32F0xx Reference manual.
+
+ ##### How to use this driver #####
+ ==============================================================================
+ [..] This driver allows to use IWDG peripheral with either window option enabled
+ or disabled. To do so follow one of the two procedures below.
+ (#) Window option is enabled:
+ (++) Start the IWDG using IWDG_Enable() function, when the IWDG is used
+ in software mode (no need to enable the LSI, it will be enabled
+ by hardware).
+ (++) Enable write access to IWDG_PR and IWDG_RLR registers using
+ IWDG_WriteAccessCmd(IWDG_WriteAccess_Enable) function.
+ (++) Configure the IWDG prescaler using IWDG_SetPrescaler() function.
+ (++) Configure the IWDG counter value using IWDG_SetReload() function.
+ This value will be loaded in the IWDG counter each time the counter
+ is reloaded, then the IWDG will start counting down from this value.
+ (++) Wait for the IWDG registers to be updated using IWDG_GetFlagStatus() function.
+ (++) Configure the IWDG refresh window using IWDG_SetWindowValue() function.
+
+ (#) Window option is disabled:
+ (++) Enable write access to IWDG_PR and IWDG_RLR registers using
+ IWDG_WriteAccessCmd(IWDG_WriteAccess_Enable) function.
+ (++) Configure the IWDG prescaler using IWDG_SetPrescaler() function.
+ (++) Configure the IWDG counter value using IWDG_SetReload() function.
+ This value will be loaded in the IWDG counter each time the counter
+ is reloaded, then the IWDG will start counting down from this value.
+ (++) Wait for the IWDG registers to be updated using IWDG_GetFlagStatus() function.
+ (++) reload the IWDG counter at regular intervals during normal operation
+ to prevent an MCU reset, using IWDG_ReloadCounter() function.
+ (++) Start the IWDG using IWDG_Enable() function, when the IWDG is used
+ in software mode (no need to enable the LSI, it will be enabled
+ by hardware).
+
+ @endverbatim
+ *
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_iwdg.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup IWDG
+ * @brief IWDG driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* ---------------------- IWDG registers bit mask ----------------------------*/
+/* KR register bit mask */
+#define KR_KEY_RELOAD ((uint16_t)0xAAAA)
+#define KR_KEY_ENABLE ((uint16_t)0xCCCC)
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup IWDG_Private_Functions
+ * @{
+ */
+
+/** @defgroup IWDG_Group1 Prescaler and Counter configuration functions
+ * @brief Prescaler and Counter configuration functions
+ *
+@verbatim
+ ==============================================================================
+ ##### Prescaler and Counter configuration functions #####
+ ==============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables write access to IWDG_PR and IWDG_RLR registers.
+ * @param IWDG_WriteAccess: new state of write access to IWDG_PR and IWDG_RLR registers.
+ * This parameter can be one of the following values:
+ * @arg IWDG_WriteAccess_Enable: Enable write access to IWDG_PR and IWDG_RLR registers
+ * @arg IWDG_WriteAccess_Disable: Disable write access to IWDG_PR and IWDG_RLR registers
+ * @retval None
+ */
+void IWDG_WriteAccessCmd(uint16_t IWDG_WriteAccess)
+{
+ /* Check the parameters */
+ assert_param(IS_IWDG_WRITE_ACCESS(IWDG_WriteAccess));
+ IWDG->KR = IWDG_WriteAccess;
+}
+
+/**
+ * @brief Sets IWDG Prescaler value.
+ * @param IWDG_Prescaler: specifies the IWDG Prescaler value.
+ * This parameter can be one of the following values:
+ * @arg IWDG_Prescaler_4: IWDG prescaler set to 4
+ * @arg IWDG_Prescaler_8: IWDG prescaler set to 8
+ * @arg IWDG_Prescaler_16: IWDG prescaler set to 16
+ * @arg IWDG_Prescaler_32: IWDG prescaler set to 32
+ * @arg IWDG_Prescaler_64: IWDG prescaler set to 64
+ * @arg IWDG_Prescaler_128: IWDG prescaler set to 128
+ * @arg IWDG_Prescaler_256: IWDG prescaler set to 256
+ * @retval None
+ */
+void IWDG_SetPrescaler(uint8_t IWDG_Prescaler)
+{
+ /* Check the parameters */
+ assert_param(IS_IWDG_PRESCALER(IWDG_Prescaler));
+ IWDG->PR = IWDG_Prescaler;
+}
+
+/**
+ * @brief Sets IWDG Reload value.
+ * @param Reload: specifies the IWDG Reload value.
+ * This parameter must be a number between 0 and 0x0FFF.
+ * @retval None
+ */
+void IWDG_SetReload(uint16_t Reload)
+{
+ /* Check the parameters */
+ assert_param(IS_IWDG_RELOAD(Reload));
+ IWDG->RLR = Reload;
+}
+
+/**
+ * @brief Reloads IWDG counter with value defined in the reload register
+ * (write access to IWDG_PR and IWDG_RLR registers disabled).
+ * @param None
+ * @retval None
+ */
+void IWDG_ReloadCounter(void)
+{
+ IWDG->KR = KR_KEY_RELOAD;
+}
+
+
+/**
+ * @brief Sets the IWDG window value.
+ * @param WindowValue: specifies the window value to be compared to the downcounter.
+ * @retval None
+ */
+void IWDG_SetWindowValue(uint16_t WindowValue)
+{
+ /* Check the parameters */
+ assert_param(IS_IWDG_WINDOW_VALUE(WindowValue));
+ IWDG->WINR = WindowValue;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup IWDG_Group2 IWDG activation function
+ * @brief IWDG activation function
+ *
+@verbatim
+ ==============================================================================
+ ##### IWDG activation function #####
+ ==============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables IWDG (write access to IWDG_PR and IWDG_RLR registers disabled).
+ * @param None
+ * @retval None
+ */
+void IWDG_Enable(void)
+{
+ IWDG->KR = KR_KEY_ENABLE;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup IWDG_Group3 Flag management function
+ * @brief Flag management function
+ *
+@verbatim
+ ===============================================================================
+ ##### Flag management function #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Checks whether the specified IWDG flag is set or not.
+ * @param IWDG_FLAG: specifies the flag to check.
+ * This parameter can be one of the following values:
+ * @arg IWDG_FLAG_PVU: Prescaler Value Update on going
+ * @arg IWDG_FLAG_RVU: Reload Value Update on going
+ * @arg IWDG_FLAG_WVU: Counter Window Value Update on going
+ * @retval The new state of IWDG_FLAG (SET or RESET).
+ */
+FlagStatus IWDG_GetFlagStatus(uint16_t IWDG_FLAG)
+{
+ FlagStatus bitstatus = RESET;
+ /* Check the parameters */
+ assert_param(IS_IWDG_FLAG(IWDG_FLAG));
+ if ((IWDG->SR & IWDG_FLAG) != (uint32_t)RESET)
+ {
+ bitstatus = SET;
+ }
+ else
+ {
+ bitstatus = RESET;
+ }
+ /* Return the flag status */
+ return bitstatus;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_misc.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_misc.c
new file mode 100644
index 00000000..b3e0f2b3
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_misc.c
@@ -0,0 +1,167 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_misc.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides all the miscellaneous firmware functions (add-on
+ * to CMSIS functions).
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_misc.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup MISC
+ * @brief MISC driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup MISC_Private_Functions
+ * @{
+ */
+/**
+ *
+@verbatim
+ *******************************************************************************
+ ##### Interrupts configuration functions #####
+ *******************************************************************************
+ [..] This section provide functions allowing to configure the NVIC interrupts
+ (IRQ). The Cortex-M0 exceptions are managed by CMSIS functions.
+ (#) Enable and Configure the priority of the selected IRQ Channels.
+ The priority can be 0..3.
+
+ -@- Lower priority values gives higher priority.
+ -@- Priority Order:
+ (#@) Lowest priority.
+ (#@) Lowest hardware priority (IRQn position).
+
+@endverbatim
+*/
+
+/**
+ * @brief Initializes the NVIC peripheral according to the specified
+ * parameters in the NVIC_InitStruct.
+ * @param NVIC_InitStruct: pointer to a NVIC_InitTypeDef structure that contains
+ * the configuration information for the specified NVIC peripheral.
+ * @retval None
+ */
+void NVIC_Init(NVIC_InitTypeDef* NVIC_InitStruct)
+{
+ uint32_t tmppriority = 0x00;
+
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NVIC_InitStruct->NVIC_IRQChannelCmd));
+ assert_param(IS_NVIC_PRIORITY(NVIC_InitStruct->NVIC_IRQChannelPriority));
+
+ if (NVIC_InitStruct->NVIC_IRQChannelCmd != DISABLE)
+ {
+ /* Compute the Corresponding IRQ Priority --------------------------------*/
+ tmppriority = NVIC->IP[NVIC_InitStruct->NVIC_IRQChannel >> 0x02];
+ tmppriority &= (uint32_t)(~(((uint32_t)0xFF) << ((NVIC_InitStruct->NVIC_IRQChannel & 0x03) * 8)));
+ tmppriority |= (uint32_t)((((uint32_t)NVIC_InitStruct->NVIC_IRQChannelPriority << 6) & 0xFF) << ((NVIC_InitStruct->NVIC_IRQChannel & 0x03) * 8));
+
+ NVIC->IP[NVIC_InitStruct->NVIC_IRQChannel >> 0x02] = tmppriority;
+
+ /* Enable the Selected IRQ Channels --------------------------------------*/
+ NVIC->ISER[0] = (uint32_t)0x01 << (NVIC_InitStruct->NVIC_IRQChannel & (uint8_t)0x1F);
+ }
+ else
+ {
+ /* Disable the Selected IRQ Channels -------------------------------------*/
+ NVIC->ICER[0] = (uint32_t)0x01 << (NVIC_InitStruct->NVIC_IRQChannel & (uint8_t)0x1F);
+ }
+}
+
+/**
+ * @brief Selects the condition for the system to enter low power mode.
+ * @param LowPowerMode: Specifies the new mode for the system to enter low power mode.
+ * This parameter can be one of the following values:
+ * @arg NVIC_LP_SEVONPEND: Low Power SEV on Pend.
+ * @arg NVIC_LP_SLEEPDEEP: Low Power DEEPSLEEP request.
+ * @arg NVIC_LP_SLEEPONEXIT: Low Power Sleep on Exit.
+ * @param NewState: new state of LP condition.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void NVIC_SystemLPConfig(uint8_t LowPowerMode, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_NVIC_LP(LowPowerMode));
+
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ SCB->SCR |= LowPowerMode;
+ }
+ else
+ {
+ SCB->SCR &= (uint32_t)(~(uint32_t)LowPowerMode);
+ }
+}
+
+/**
+ * @brief Configures the SysTick clock source.
+ * @param SysTick_CLKSource: specifies the SysTick clock source.
+ * This parameter can be one of the following values:
+ * @arg SysTick_CLKSource_HCLK_Div8: AHB clock divided by 8 selected as SysTick clock source.
+ * @arg SysTick_CLKSource_HCLK: AHB clock selected as SysTick clock source.
+ * @retval None
+ */
+void SysTick_CLKSourceConfig(uint32_t SysTick_CLKSource)
+{
+ /* Check the parameters */
+ assert_param(IS_SYSTICK_CLK_SOURCE(SysTick_CLKSource));
+
+ if (SysTick_CLKSource == SysTick_CLKSource_HCLK)
+ {
+ SysTick->CTRL |= SysTick_CLKSource_HCLK;
+ }
+ else
+ {
+ SysTick->CTRL &= SysTick_CLKSource_HCLK_Div8;
+ }
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_pwr.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_pwr.c
new file mode 100644
index 00000000..fe654dbf
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_pwr.c
@@ -0,0 +1,566 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_pwr.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the Power Controller (PWR) peripheral:
+ * + Backup Domain Access
+ * + PVD configuration
+ * + WakeUp pins configuration
+ * + Low Power modes configuration
+ * + Flags management
+ *
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_pwr.h"
+#include "stm32f0xx_rcc.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup PWR
+ * @brief PWR driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+
+/* ------------------ PWR registers bit mask ------------------------ */
+
+/* CR register bit mask */
+#define CR_DS_MASK ((uint32_t)0xFFFFFFFC)
+#define CR_PLS_MASK ((uint32_t)0xFFFFFF1F)
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup PWR_Private_Functions
+ * @{
+ */
+
+/** @defgroup PWR_Group1 Backup Domain Access function
+ * @brief Backup Domain Access function
+ *
+@verbatim
+ ==============================================================================
+ ##### Backup Domain Access function #####
+ ==============================================================================
+
+ [..] After reset, the Backup Domain Registers (RCC BDCR Register, RTC registers
+ and RTC backup registers) are protected against possible stray write accesses.
+ [..] To enable access to Backup domain use the PWR_BackupAccessCmd(ENABLE) function.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Deinitializes the PWR peripheral registers to their default reset values.
+ * @param None
+ * @retval None
+ */
+void PWR_DeInit(void)
+{
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_PWR, ENABLE);
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_PWR, DISABLE);
+}
+
+/**
+ * @brief Enables or disables access to the Backup domain registers.
+ * @note If the HSE divided by 32 is used as the RTC clock, the
+ * Backup Domain Access should be kept enabled.
+ * @param NewState: new state of the access to the Backup domain registers.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void PWR_BackupAccessCmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the Backup Domain Access */
+ PWR->CR |= PWR_CR_DBP;
+ }
+ else
+ {
+ /* Disable the Backup Domain Access */
+ PWR->CR &= (uint32_t)~((uint32_t)PWR_CR_DBP);
+ }
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup PWR_Group2 PVD configuration functions
+ * @brief PVD configuration functions
+ *
+@verbatim
+ ==============================================================================
+ ##### PVD configuration functions #####
+ ==============================================================================
+ [..]
+ (+) The PVD is used to monitor the VDD power supply by comparing it to a threshold
+ selected by the PVD Level (PLS[2:0] bits in the PWR_CR).
+ (+) A PVDO flag is available to indicate if VDD/VDDA is higher or lower than the
+ PVD threshold. This event is internally connected to the EXTI line16
+ and can generate an interrupt if enabled through the EXTI registers.
+ (+) The PVD is stopped in Standby mode.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Configures the voltage threshold detected by the Power Voltage Detector(PVD).
+ * @note This function is not applicable for STM32F030 devices.
+ * @param PWR_PVDLevel: specifies the PVD detection level
+ * This parameter can be one of the following values:
+ * @arg PWR_PVDLevel_0
+ * @arg PWR_PVDLevel_1
+ * @arg PWR_PVDLevel_2
+ * @arg PWR_PVDLevel_3
+ * @arg PWR_PVDLevel_4
+ * @arg PWR_PVDLevel_5
+ * @arg PWR_PVDLevel_6
+ * @arg PWR_PVDLevel_7
+ * @note Refer to the electrical characteristics of your device datasheet for
+ * more details about the voltage threshold corresponding to each
+ * detection level.
+ * @retval None
+ */
+void PWR_PVDLevelConfig(uint32_t PWR_PVDLevel)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_PWR_PVD_LEVEL(PWR_PVDLevel));
+
+ tmpreg = PWR->CR;
+
+ /* Clear PLS[7:5] bits */
+ tmpreg &= CR_PLS_MASK;
+
+ /* Set PLS[7:5] bits according to PWR_PVDLevel value */
+ tmpreg |= PWR_PVDLevel;
+
+ /* Store the new value */
+ PWR->CR = tmpreg;
+}
+
+/**
+ * @brief Enables or disables the Power Voltage Detector(PVD).
+ * @note This function is not applicable for STM32F030 devices.
+ * @param NewState: new state of the PVD.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void PWR_PVDCmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the PVD */
+ PWR->CR |= PWR_CR_PVDE;
+ }
+ else
+ {
+ /* Disable the PVD */
+ PWR->CR &= (uint32_t)~((uint32_t)PWR_CR_PVDE);
+ }
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup PWR_Group3 WakeUp pins configuration functions
+ * @brief WakeUp pins configuration functions
+ *
+@verbatim
+ ==============================================================================
+ ##### WakeUp pin configuration functions #####
+ ==============================================================================
+
+ (+) WakeUp pins are used to wakeup the system from Standby mode. These pins are
+ forced in input pull down configuration and are active on rising edges.
+ (+) There are eight WakeUp pins: WakeUp Pin 1 on PA.00 and WakeUp Pin 2 on PC.13.
+ The following WakeUp pins are only applicable for STM32F072 dvices:
+ WakeUp Pin 3 on PE.06, WakeUp Pin 4 on PA.02, WakeUp Pin 5 on PC.05,
+ WakeUp Pin 6 on PB.05, WakeUp Pin 7 on PB.15 and WakeUp Pin 8 on PF.02.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the WakeUp Pin functionality.
+ * @param PWR_WakeUpPin: specifies the WakeUpPin.
+ * This parameter can be one of the following values
+ * @arg PWR_WakeUpPin_1
+ * @arg PWR_WakeUpPin_2
+ * @arg PWR_WakeUpPin_3, only applicable for STM32F072 devices
+ * @arg PWR_WakeUpPin_4, only applicable for STM32F072 devices
+ * @arg PWR_WakeUpPin_5, only applicable for STM32F072 devices
+ * @arg PWR_WakeUpPin_6, only applicable for STM32F072 devices
+ * @arg PWR_WakeUpPin_7, only applicable for STM32F072 devices
+ * @arg PWR_WakeUpPin_8, only applicable for STM32F072 devices
+ * @param NewState: new state of the WakeUp Pin functionality.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void PWR_WakeUpPinCmd(uint32_t PWR_WakeUpPin, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_PWR_WAKEUP_PIN(PWR_WakeUpPin));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the EWUPx pin */
+ PWR->CSR |= PWR_WakeUpPin;
+ }
+ else
+ {
+ /* Disable the EWUPx pin */
+ PWR->CSR &= ~PWR_WakeUpPin;
+ }
+}
+
+/**
+ * @}
+ */
+
+
+/** @defgroup PWR_Group4 Low Power modes configuration functions
+ * @brief Low Power modes configuration functions
+ *
+@verbatim
+ ==============================================================================
+ ##### Low Power modes configuration functions #####
+ ==============================================================================
+
+ [..] The devices feature three low-power modes:
+ (+) Sleep mode: Cortex-M0 core stopped, peripherals kept running.
+ (+) Stop mode: all clocks are stopped, regulator running, regulator in low power mode
+ (+) Standby mode: VCORE domain powered off
+
+ *** Sleep mode ***
+ ==================
+ [..]
+ (+) Entry:
+ (++) The Sleep mode is entered by executing the WFE() or WFI() instructions.
+ (+) Exit:
+ (++) Any peripheral interrupt acknowledged by the nested vectored interrupt
+ controller (NVIC) can wake up the device from Sleep mode.
+
+ *** Stop mode ***
+ =================
+ [..] In Stop mode, all clocks in the VCORE domain are stopped, the PLL, the HSI,
+ the HSI14 and the HSE RC oscillators are disabled. Internal SRAM and register
+ contents are preserved.
+ The voltage regulator can be configured either in normal or low-power mode.
+
+ (+) Entry:
+ (++) The Stop mode is entered using the PWR_EnterSTOPMode(PWR_Regulator_LowPower,)
+ function with regulator in LowPower or with Regulator ON.
+ (+) Exit:
+ (++) Any EXTI Line (Internal or External) configured in Interrupt/Event mode
+ or any internal IPs (I2C, UASRT or CEC) wakeup event.
+
+ *** Standby mode ***
+ ====================
+ [..] The Standby mode allows to achieve the lowest power consumption. It is based
+ on the Cortex-M0 deepsleep mode, with the voltage regulator disabled.
+ The VCORE domain is consequently powered off. The PLL, the HSI, the HSI14
+ oscillator and the HSE oscillator are also switched off. SRAM and register
+ contents are lost except for the Backup domain (RTC registers, RTC backup
+ registers and Standby circuitry).
+
+ [..] The voltage regulator is OFF.
+
+ (+) Entry:
+ (++) The Standby mode is entered using the PWR_EnterSTANDBYMode() function.
+ (+) Exit:
+ (++) WKUP pin rising edge, RTC alarm (Alarm A and Alarm B), RTC wakeup,
+ tamper event, time-stamp event, external reset in NRST pin, IWDG reset.
+
+ *** Auto-wakeup (AWU) from low-power mode ***
+ =============================================
+ [..] The MCU can be woken up from low-power mode by an RTC Alarm event, a tamper
+ event, a time-stamp event, or a comparator event, without depending on an
+ external interrupt (Auto-wakeup mode).
+
+ (+) RTC auto-wakeup (AWU) from the Stop mode
+ (++) To wake up from the Stop mode with an RTC alarm event, it is necessary to:
+ (+++) Configure the EXTI Line 17 to be sensitive to rising edges (Interrupt
+ or Event modes) using the EXTI_Init() function.
+ (+++) Enable the RTC Alarm Interrupt using the RTC_ITConfig() function
+ (+++) Configure the RTC to generate the RTC alarm using the RTC_SetAlarm()
+ and RTC_AlarmCmd() functions.
+ (++) To wake up from the Stop mode with an RTC Tamper or time stamp event, it
+ is necessary to:
+ (+++) Configure the EXTI Line 19 to be sensitive to rising edges (Interrupt
+ or Event modes) using the EXTI_Init() function.
+ (+++) Enable the RTC Tamper or time stamp Interrupt using the RTC_ITConfig()
+ function.
+ (+++) Configure the RTC to detect the tamper or time stamp event using the
+ RTC_TimeStampConfig(), RTC_TamperTriggerConfig() and RTC_TamperCmd()
+ functions.
+
+ (+) RTC auto-wakeup (AWU) from the Standby mode
+ (++) To wake up from the Standby mode with an RTC alarm event, it is necessary to:
+ (+++) Enable the RTC Alarm Interrupt using the RTC_ITConfig() function.
+ (+++) Configure the RTC to generate the RTC alarm using the RTC_SetAlarm()
+ and RTC_AlarmCmd() functions.
+ (++) To wake up from the Standby mode with an RTC Tamper or time stamp event, it
+ is necessary to:
+ (+++) Enable the RTC Tamper or time stamp Interrupt using the RTC_ITConfig()
+ function.
+ (+++) Configure the RTC to detect the tamper or time stamp event using the
+ RTC_TimeStampConfig(), RTC_TamperTriggerConfig() and RTC_TamperCmd()
+ functions.
+
+ (+) Comparator auto-wakeup (AWU) from the Stop mode
+ (++) To wake up from the Stop mode with an comparator 1 or comparator 2 wakeup
+ event, it is necessary to:
+ (+++) Configure the EXTI Line 21 for comparator 1 or EXTI Line 22 for comparator 2
+ to be sensitive to to the selected edges (falling, rising or falling
+ and rising) (Interrupt or Event modes) using the EXTI_Init() function.
+ (+++) Configure the comparator to generate the event.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enters Sleep mode.
+ * @note In Sleep mode, all I/O pins keep the same state as in Run mode.
+ * @param PWR_SLEEPEntry: specifies if SLEEP mode in entered with WFI or WFE instruction.
+ * This parameter can be one of the following values:
+ * @arg PWR_SLEEPEntry_WFI: enter SLEEP mode with WFI instruction
+ * @arg PWR_SLEEPEntry_WFE: enter SLEEP mode with WFE instruction
+ * @retval None
+ */
+void PWR_EnterSleepMode(uint8_t PWR_SLEEPEntry)
+{
+ /* Check the parameters */
+ assert_param(IS_PWR_SLEEP_ENTRY(PWR_SLEEPEntry));
+
+ /* Clear SLEEPDEEP bit of Cortex-M0 System Control Register */
+ SCB->SCR &= (uint32_t)~((uint32_t)SCB_SCR_SLEEPDEEP_Msk);
+
+ /* Select SLEEP mode entry -------------------------------------------------*/
+ if(PWR_SLEEPEntry == PWR_SLEEPEntry_WFI)
+ {
+ /* Request Wait For Interrupt */
+ __WFI();
+ }
+ else
+ {
+ /* Request Wait For Event */
+ __SEV();
+ __WFE();
+ __WFE();
+ }
+}
+
+/**
+ * @brief Enters STOP mode.
+ * @note In Stop mode, all I/O pins keep the same state as in Run mode.
+ * @note When exiting Stop mode by issuing an interrupt or a wakeup event,
+ * the HSI RC oscillator is selected as system clock.
+ * @note When the voltage regulator operates in low power mode, an additional
+ * startup delay is incurred when waking up from Stop mode.
+ * By keeping the internal regulator ON during Stop mode, the consumption
+ * is higher although the startup time is reduced.
+ * @param PWR_Regulator: specifies the regulator state in STOP mode.
+ * This parameter can be one of the following values:
+ * @arg PWR_Regulator_ON: STOP mode with regulator ON
+ * @arg PWR_Regulator_LowPower: STOP mode with regulator in low power mode
+ * @param PWR_STOPEntry: specifies if STOP mode in entered with WFI or WFE instruction.
+ * This parameter can be one of the following values:
+ * @arg PWR_STOPEntry_WFI: enter STOP mode with WFI instruction
+ * @arg PWR_STOPEntry_WFE: enter STOP mode with WFE instruction
+ @arg PWR_STOPEntry_SLEEPONEXIT: enter STOP mode with SLEEPONEXIT instruction
+ * @retval None
+ */
+void PWR_EnterSTOPMode(uint32_t PWR_Regulator, uint8_t PWR_STOPEntry)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_PWR_REGULATOR(PWR_Regulator));
+ assert_param(IS_PWR_STOP_ENTRY(PWR_STOPEntry));
+
+ /* Select the regulator state in STOP mode ---------------------------------*/
+ tmpreg = PWR->CR;
+ /* Clear PDDS and LPDSR bits */
+ tmpreg &= CR_DS_MASK;
+
+ /* Set LPDSR bit according to PWR_Regulator value */
+ tmpreg |= PWR_Regulator;
+
+ /* Store the new value */
+ PWR->CR = tmpreg;
+
+ /* Set SLEEPDEEP bit of Cortex-M0 System Control Register */
+ SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk;
+
+ /* Select STOP mode entry --------------------------------------------------*/
+ if(PWR_STOPEntry == PWR_STOPEntry_WFI)
+ {
+ /* Request Wait For Interrupt */
+ __WFI();
+ /* Reset SLEEPDEEP bit of Cortex System Control Register */
+ SCB->SCR &= (uint32_t)~((uint32_t)SCB_SCR_SLEEPDEEP_Msk);
+ }
+ else if (PWR_STOPEntry == PWR_STOPEntry_WFE)
+ {
+ /* Request Wait For Event */
+ __WFE();
+ /* Reset SLEEPDEEP bit of Cortex System Control Register */
+ SCB->SCR &= (uint32_t)~((uint32_t)SCB_SCR_SLEEPDEEP_Msk);
+ }
+ else
+ {
+ /* Set SLEEP on exit bit of Cortex-M0 System Control Register */
+ SCB->SCR |= SCB_SCR_SLEEPONEXIT_Msk;
+ }
+}
+
+/**
+ * @brief Enters STANDBY mode.
+ * @note In Standby mode, all I/O pins are high impedance except for:
+ * - Reset pad (still available)
+ * - RTC_AF1 pin (PC13) if configured for Wakeup pin 2 (WKUP2), tamper,
+ * time-stamp, RTC Alarm out, or RTC clock calibration out.
+ * - WKUP pin 1 (PA0) if enabled.
+ * @note The Wakeup flag (WUF) need to be cleared at application level before to call this function
+ * @param None
+ * @retval None
+ */
+void PWR_EnterSTANDBYMode(void)
+{
+ /* Select STANDBY mode */
+ PWR->CR |= PWR_CR_PDDS;
+
+ /* Set SLEEPDEEP bit of Cortex-M0 System Control Register */
+ SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk;
+
+ /* Request Wait For Interrupt */
+ __WFI();
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup PWR_Group5 Flags management functions
+ * @brief Flags management functions
+ *
+@verbatim
+ ==============================================================================
+ ##### Flags management functions #####
+ ==============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Checks whether the specified PWR flag is set or not.
+ * @param PWR_FLAG: specifies the flag to check.
+ * This parameter can be one of the following values:
+ * @arg PWR_FLAG_WU: Wake Up flag. This flag indicates that a wakeup
+ * event was received from the WKUP pin or from the RTC alarm
+ * (Alarm A or Alarm B), RTC Tamper event or RTC TimeStamp event.
+ * @arg PWR_FLAG_SB: StandBy flag. This flag indicates that the
+ * system was resumed from StandBy mode.
+ * @arg PWR_FLAG_PVDO: PVD Output. This flag is valid only if PVD
+ * is enabled by the PWR_PVDCmd() function.
+ * @arg PWR_FLAG_VREFINTRDY: Internal Voltage Reference Ready flag.
+ * This flag indicates the state of the internal voltage
+ * reference, VREFINT.
+ * @retval The new state of PWR_FLAG (SET or RESET).
+ */
+FlagStatus PWR_GetFlagStatus(uint32_t PWR_FLAG)
+{
+ FlagStatus bitstatus = RESET;
+ /* Check the parameters */
+ assert_param(IS_PWR_GET_FLAG(PWR_FLAG));
+
+ if ((PWR->CSR & PWR_FLAG) != (uint32_t)RESET)
+ {
+ bitstatus = SET;
+ }
+ else
+ {
+ bitstatus = RESET;
+ }
+ /* Return the flag status */
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the PWR's pending flags.
+ * @param PWR_FLAG: specifies the flag to clear.
+ * This parameter can be one of the following values:
+ * @arg PWR_FLAG_WU: Wake Up flag
+ * @arg PWR_FLAG_SB: StandBy flag
+ * @retval None
+ */
+void PWR_ClearFlag(uint32_t PWR_FLAG)
+{
+ /* Check the parameters */
+ assert_param(IS_PWR_CLEAR_FLAG(PWR_FLAG));
+
+ PWR->CR |= PWR_FLAG << 2;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_rcc.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_rcc.c
new file mode 100644
index 00000000..f4f72c2a
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_rcc.c
@@ -0,0 +1,1781 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_rcc.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the Reset and clock control (RCC) peripheral:
+ * + Internal/external clocks, PLL, CSS and MCO configuration
+ * + System, AHB and APB busses clocks configuration
+ * + Peripheral clocks configuration
+ * + Interrupts and flags management
+ *
+ @verbatim
+
+ ===============================================================================
+ ##### RCC specific features #####
+ ===============================================================================
+ [..] After reset the device is running from HSI (8 MHz) with Flash 0 WS,
+ all peripherals are off except internal SRAM, Flash and SWD.
+ (#) There is no prescaler on High speed (AHB) and Low speed (APB) busses;
+ all peripherals mapped on these busses are running at HSI speed.
+ (#) The clock for all peripherals is switched off, except the SRAM and FLASH.
+ (#) All GPIOs are in input floating state, except the SWD pins which
+ are assigned to be used for debug purpose.
+ [..] Once the device started from reset, the user application has to:
+ (#) Configure the clock source to be used to drive the System clock
+ (if the application needs higher frequency/performance)
+ (#) Configure the System clock frequency and Flash settings
+ (#) Configure the AHB and APB busses prescalers
+ (#) Enable the clock for the peripheral(s) to be used
+ (#) Configure the clock source(s) for peripherals which clocks are not
+ derived from the System clock (ADC, CEC, I2C, USART, RTC and IWDG)
+
+ @endverbatim
+
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_rcc.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup RCC
+ * @brief RCC driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+
+/* ---------------------- RCC registers mask -------------------------------- */
+/* RCC Flag Mask */
+#define FLAG_MASK ((uint8_t)0x1F)
+
+/* CR register byte 2 (Bits[23:16]) base address */
+#define CR_BYTE2_ADDRESS ((uint32_t)0x40021002)
+
+/* CFGR register byte 3 (Bits[31:23]) base address */
+#define CFGR_BYTE3_ADDRESS ((uint32_t)0x40021007)
+
+/* CIR register byte 1 (Bits[15:8]) base address */
+#define CIR_BYTE1_ADDRESS ((uint32_t)0x40021009)
+
+/* CIR register byte 2 (Bits[23:16]) base address */
+#define CIR_BYTE2_ADDRESS ((uint32_t)0x4002100A)
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+static __I uint8_t APBAHBPrescTable[16] = {0, 0, 0, 0, 1, 2, 3, 4, 1, 2, 3, 4, 6, 7, 8, 9};
+
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup RCC_Private_Functions
+ * @{
+ */
+
+/** @defgroup RCC_Group1 Internal and external clocks, PLL, CSS and MCO configuration functions
+ * @brief Internal and external clocks, PLL, CSS and MCO configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Internal-external clocks, PLL, CSS and MCO configuration functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to configure the internal/external clocks,
+ PLL, CSS and MCO.
+ (#) HSI (high-speed internal), 8 MHz factory-trimmed RC used directly
+ or through the PLL as System clock source.
+ The HSI clock can be used also to clock the USART, I2C and CEC peripherals.
+ (#) HSI14 (high-speed internal for ADC), 14 MHz factory-trimmed RC used to clock
+ the ADC peripheral.
+ (#) LSI (low-speed internal), 40 KHz low consumption RC used as IWDG and/or RTC
+ clock source.
+ (#) HSE (high-speed external), 4 to 32 MHz crystal oscillator used directly or
+ through the PLL as System clock source. Can be used also as RTC clock source.
+ (#) LSE (low-speed external), 32 KHz oscillator used as RTC clock source.
+ LSE can be used also to clock the USART and CEC peripherals.
+ (#) PLL (clocked by HSI or HSE), for System clock.
+ (#) CSS (Clock security system), once enabled and if a HSE clock failure occurs
+ (HSE used directly or through PLL as System clock source), the System clock
+ is automatically switched to HSI and an interrupt is generated if enabled.
+ The interrupt is linked to the Cortex-M0 NMI (Non-Maskable Interrupt)
+ exception vector.
+ (#) MCO (microcontroller clock output), used to output SYSCLK, HSI, HSI14, LSI,
+ HSE, LSE or PLL (divided by 2) clock on PA8 pin.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Resets the RCC clock configuration to the default reset state.
+ * @note The default reset state of the clock configuration is given below:
+ * @note HSI ON and used as system clock source
+ * @note HSI14, HSE and PLL OFF
+ * @note AHB, APB prescaler set to 1.
+ * @note CSS and MCO OFF
+ * @note All interrupts disabled
+ * @note However, this function doesn't modify the configuration of the
+ * @note Peripheral clocks
+ * @note LSI, LSE and RTC clocks
+ * @param None
+ * @retval None
+ */
+void RCC_DeInit(void)
+{
+ /* Set HSION bit */
+ RCC->CR |= (uint32_t)0x00000001;
+
+#if defined (STM32F051)
+ /* Reset SW[1:0], HPRE[3:0], PPRE[2:0] and MCOSEL[2:0] bits */
+ RCC->CFGR &= (uint32_t)0xF8FFB80C;
+#else
+ /* Reset SW[1:0], HPRE[3:0], PPRE[2:0], ADCPRE, MCOSEL[2:0], MCOPRE[2:0] and PLLNODIV bits */
+ RCC->CFGR &= (uint32_t)0x08FFB80C;
+#endif /* STM32F051 */
+
+ /* Reset HSEON, CSSON and PLLON bits */
+ RCC->CR &= (uint32_t)0xFEF6FFFF;
+
+ /* Reset HSEBYP bit */
+ RCC->CR &= (uint32_t)0xFFFBFFFF;
+
+ /* Reset PLLSRC, PLLXTPRE and PLLMUL[3:0] bits */
+ RCC->CFGR &= (uint32_t)0xFFC0FFFF;
+
+ /* Reset PREDIV1[3:0] bits */
+ RCC->CFGR2 &= (uint32_t)0xFFFFFFF0;
+
+ /* Reset USARTSW[1:0], I2CSW, CECSW and ADCSW bits */
+ RCC->CFGR3 &= (uint32_t)0xFFF0FEAC;
+
+ /* Reset HSI14 bit */
+ RCC->CR2 &= (uint32_t)0xFFFFFFFE;
+
+ /* Disable all interrupts */
+ RCC->CIR = 0x00000000;
+}
+
+/**
+ * @brief Configures the External High Speed oscillator (HSE).
+ * @note After enabling the HSE (RCC_HSE_ON or RCC_HSE_Bypass), the application
+ * software should wait on HSERDY flag to be set indicating that HSE clock
+ * is stable and can be used to clock the PLL and/or system clock.
+ * @note HSE state can not be changed if it is used directly or through the
+ * PLL as system clock. In this case, you have to select another source
+ * of the system clock then change the HSE state (ex. disable it).
+ * @note The HSE is stopped by hardware when entering STOP and STANDBY modes.
+ * @note This function resets the CSSON bit, so if the Clock security system(CSS)
+ * was previously enabled you have to enable it again after calling this
+ * function.
+ * @param RCC_HSE: specifies the new state of the HSE.
+ * This parameter can be one of the following values:
+ * @arg RCC_HSE_OFF: turn OFF the HSE oscillator, HSERDY flag goes low after
+ * 6 HSE oscillator clock cycles.
+ * @arg RCC_HSE_ON: turn ON the HSE oscillator
+ * @arg RCC_HSE_Bypass: HSE oscillator bypassed with external clock
+ * @retval None
+ */
+void RCC_HSEConfig(uint8_t RCC_HSE)
+{
+ /* Check the parameters */
+ assert_param(IS_RCC_HSE(RCC_HSE));
+
+ /* Reset HSEON and HSEBYP bits before configuring the HSE ------------------*/
+ *(__IO uint8_t *) CR_BYTE2_ADDRESS = RCC_HSE_OFF;
+
+ /* Set the new HSE configuration -------------------------------------------*/
+ *(__IO uint8_t *) CR_BYTE2_ADDRESS = RCC_HSE;
+
+}
+
+/**
+ * @brief Waits for HSE start-up.
+ * @note This function waits on HSERDY flag to be set and return SUCCESS if
+ * this flag is set, otherwise returns ERROR if the timeout is reached
+ * and this flag is not set. The timeout value is defined by the constant
+ * HSE_STARTUP_TIMEOUT in stm32f0xx.h file. You can tailor it depending
+ * on the HSE crystal used in your application.
+ * @note The HSE is stopped by hardware when entering STOP and STANDBY modes.
+ * @param None
+ * @retval An ErrorStatus enumeration value:
+ * - SUCCESS: HSE oscillator is stable and ready to use
+ * - ERROR: HSE oscillator not yet ready
+ */
+ErrorStatus RCC_WaitForHSEStartUp(void)
+{
+ __IO uint32_t StartUpCounter = 0;
+ ErrorStatus status = ERROR;
+ FlagStatus HSEStatus = RESET;
+
+ /* Wait till HSE is ready and if timeout is reached exit */
+ do
+ {
+ HSEStatus = RCC_GetFlagStatus(RCC_FLAG_HSERDY);
+ StartUpCounter++;
+ } while((StartUpCounter != HSE_STARTUP_TIMEOUT) && (HSEStatus == RESET));
+
+ if (RCC_GetFlagStatus(RCC_FLAG_HSERDY) != RESET)
+ {
+ status = SUCCESS;
+ }
+ else
+ {
+ status = ERROR;
+ }
+ return (status);
+}
+
+/**
+ * @brief Adjusts the Internal High Speed oscillator (HSI) calibration value.
+ * @note The calibration is used to compensate for the variations in voltage
+ * and temperature that influence the frequency of the internal HSI RC.
+ * Refer to the Application Note AN4067 for more details on how to
+ * calibrate the HSI.
+ * @param HSICalibrationValue: specifies the HSI calibration trimming value.
+ * This parameter must be a number between 0 and 0x1F.
+ * @retval None
+ */
+void RCC_AdjustHSICalibrationValue(uint8_t HSICalibrationValue)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RCC_HSI_CALIBRATION_VALUE(HSICalibrationValue));
+
+ tmpreg = RCC->CR;
+
+ /* Clear HSITRIM[4:0] bits */
+ tmpreg &= ~RCC_CR_HSITRIM;
+
+ /* Set the HSITRIM[4:0] bits according to HSICalibrationValue value */
+ tmpreg |= (uint32_t)HSICalibrationValue << 3;
+
+ /* Store the new value */
+ RCC->CR = tmpreg;
+}
+
+/**
+ * @brief Enables or disables the Internal High Speed oscillator (HSI).
+ * @note After enabling the HSI, the application software should wait on
+ * HSIRDY flag to be set indicating that HSI clock is stable and can
+ * be used to clock the PLL and/or system clock.
+ * @note HSI can not be stopped if it is used directly or through the PLL
+ * as system clock. In this case, you have to select another source
+ * of the system clock then stop the HSI.
+ * @note The HSI is stopped by hardware when entering STOP and STANDBY modes.
+ * @param NewState: new state of the HSI.
+ * This parameter can be: ENABLE or DISABLE.
+ * @note When the HSI is stopped, HSIRDY flag goes low after 6 HSI oscillator
+ * clock cycles.
+ * @retval None
+ */
+void RCC_HSICmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ RCC->CR |= RCC_CR_HSION;
+ }
+ else
+ {
+ RCC->CR &= ~RCC_CR_HSION;
+ }
+}
+
+/**
+ * @brief Adjusts the Internal High Speed oscillator for ADC (HSI14)
+ * calibration value.
+ * @note The calibration is used to compensate for the variations in voltage
+ * and temperature that influence the frequency of the internal HSI RC.
+ * Refer to the Application Note AN4067 for more details on how to
+ * calibrate the HSI14.
+ * @param HSI14CalibrationValue: specifies the HSI14 calibration trimming value.
+ * This parameter must be a number between 0 and 0x1F.
+ * @retval None
+ */
+void RCC_AdjustHSI14CalibrationValue(uint8_t HSI14CalibrationValue)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RCC_HSI14_CALIBRATION_VALUE(HSI14CalibrationValue));
+
+ tmpreg = RCC->CR2;
+
+ /* Clear HSI14TRIM[4:0] bits */
+ tmpreg &= ~RCC_CR2_HSI14TRIM;
+
+ /* Set the HSITRIM14[4:0] bits according to HSI14CalibrationValue value */
+ tmpreg |= (uint32_t)HSI14CalibrationValue << 3;
+
+ /* Store the new value */
+ RCC->CR2 = tmpreg;
+}
+
+/**
+ * @brief Enables or disables the Internal High Speed oscillator for ADC (HSI14).
+ * @note After enabling the HSI14, the application software should wait on
+ * HSIRDY flag to be set indicating that HSI clock is stable and can
+ * be used to clock the ADC.
+ * @note The HSI14 is stopped by hardware when entering STOP and STANDBY modes.
+ * @param NewState: new state of the HSI14.
+ * This parameter can be: ENABLE or DISABLE.
+ * @note When the HSI14 is stopped, HSI14RDY flag goes low after 6 HSI14 oscillator
+ * clock cycles.
+ * @retval None
+ */
+void RCC_HSI14Cmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ RCC->CR2 |= RCC_CR2_HSI14ON;
+ }
+ else
+ {
+ RCC->CR2 &= ~RCC_CR2_HSI14ON;
+ }
+}
+
+/**
+ * @brief Enables or disables the Internal High Speed oscillator request from ADC.
+ * @param NewState: new state of the HSI14 ADC request.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RCC_HSI14ADCRequestCmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ RCC->CR2 &= ~RCC_CR2_HSI14DIS;
+ }
+ else
+ {
+ RCC->CR2 |= RCC_CR2_HSI14DIS;
+ }
+}
+
+/**
+ * @brief Configures the External Low Speed oscillator (LSE).
+ * @note As the LSE is in the Backup domain and write access is denied to this
+ * domain after reset, you have to enable write access using
+ * PWR_BackupAccessCmd(ENABLE) function before to configure the LSE
+ * (to be done once after reset).
+ * @note After enabling the LSE (RCC_LSE_ON or RCC_LSE_Bypass), the application
+ * software should wait on LSERDY flag to be set indicating that LSE clock
+ * is stable and can be used to clock the RTC.
+ * @param RCC_LSE: specifies the new state of the LSE.
+ * This parameter can be one of the following values:
+ * @arg RCC_LSE_OFF: turn OFF the LSE oscillator, LSERDY flag goes low after
+ * 6 LSE oscillator clock cycles.
+ * @arg RCC_LSE_ON: turn ON the LSE oscillator
+ * @arg RCC_LSE_Bypass: LSE oscillator bypassed with external clock
+ * @retval None
+ */
+void RCC_LSEConfig(uint32_t RCC_LSE)
+{
+ /* Check the parameters */
+ assert_param(IS_RCC_LSE(RCC_LSE));
+
+ /* Reset LSEON and LSEBYP bits before configuring the LSE ------------------*/
+ /* Reset LSEON bit */
+ RCC->BDCR &= ~(RCC_BDCR_LSEON);
+
+ /* Reset LSEBYP bit */
+ RCC->BDCR &= ~(RCC_BDCR_LSEBYP);
+
+ /* Configure LSE */
+ RCC->BDCR |= RCC_LSE;
+}
+
+/**
+ * @brief Configures the External Low Speed oscillator (LSE) drive capability.
+ * @param RCC_LSEDrive: specifies the new state of the LSE drive capability.
+ * This parameter can be one of the following values:
+ * @arg RCC_LSEDrive_Low: LSE oscillator low drive capability.
+ * @arg RCC_LSEDrive_MediumLow: LSE oscillator medium low drive capability.
+ * @arg RCC_LSEDrive_MediumHigh: LSE oscillator medium high drive capability.
+ * @arg RCC_LSEDrive_High: LSE oscillator high drive capability.
+ * @retval None
+ */
+void RCC_LSEDriveConfig(uint32_t RCC_LSEDrive)
+{
+ /* Check the parameters */
+ assert_param(IS_RCC_LSE_DRIVE(RCC_LSEDrive));
+
+ /* Clear LSEDRV[1:0] bits */
+ RCC->BDCR &= ~(RCC_BDCR_LSEDRV);
+
+ /* Set the LSE Drive */
+ RCC->BDCR |= RCC_LSEDrive;
+}
+
+/**
+ * @brief Enables or disables the Internal Low Speed oscillator (LSI).
+ * @note After enabling the LSI, the application software should wait on
+ * LSIRDY flag to be set indicating that LSI clock is stable and can
+ * be used to clock the IWDG and/or the RTC.
+ * @note LSI can not be disabled if the IWDG is running.
+ * @param NewState: new state of the LSI.
+ * This parameter can be: ENABLE or DISABLE.
+ * @note When the LSI is stopped, LSIRDY flag goes low after 6 LSI oscillator
+ * clock cycles.
+ * @retval None
+ */
+void RCC_LSICmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ RCC->CSR |= RCC_CSR_LSION;
+ }
+ else
+ {
+ RCC->CSR &= ~RCC_CSR_LSION;
+ }
+}
+
+/**
+ * @brief Configures the PLL clock source and multiplication factor.
+ * @note This function must be used only when the PLL is disabled.
+ *
+ * @param RCC_PLLSource: specifies the PLL entry clock source.
+ * This parameter can be one of the following values:
+ * @arg RCC_PLLSource_HSI_Div2: HSI oscillator clock selected as PLL clock source
+ * @arg RCC_PLLSource_PREDIV1: PREDIV1 clock selected as PLL clock entry
+ * @arg RCC_PLLSource_HSI48 HSI48 oscillator clock selected as PLL clock source, applicable only for STM32F072 devices
+ * @arg RCC_PLLSource_HSI: HSI clock selected as PLL clock entry, applicable only for STM32F072 devices
+ * @note The minimum input clock frequency for PLL is 2 MHz (when using HSE as
+ * PLL source).
+ *
+ * @param RCC_PLLMul: specifies the PLL multiplication factor, which drive the PLLVCO clock
+ * This parameter can be RCC_PLLMul_x where x:[2,16]
+ *
+ * @retval None
+ */
+void RCC_PLLConfig(uint32_t RCC_PLLSource, uint32_t RCC_PLLMul)
+{
+ /* Check the parameters */
+ assert_param(IS_RCC_PLL_SOURCE(RCC_PLLSource));
+ assert_param(IS_RCC_PLL_MUL(RCC_PLLMul));
+
+ /* Clear PLL Source [16] and Multiplier [21:18] bits */
+ RCC->CFGR &= ~(RCC_CFGR_PLLMULL | RCC_CFGR_PLLSRC);
+
+ /* Set the PLL Source and Multiplier */
+ RCC->CFGR |= (uint32_t)(RCC_PLLSource | RCC_PLLMul);
+}
+
+/**
+ * @brief Enables or disables the PLL.
+ * @note After enabling the PLL, the application software should wait on
+ * PLLRDY flag to be set indicating that PLL clock is stable and can
+ * be used as system clock source.
+ * @note The PLL can not be disabled if it is used as system clock source
+ * @note The PLL is disabled by hardware when entering STOP and STANDBY modes.
+ * @param NewState: new state of the PLL.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RCC_PLLCmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ RCC->CR |= RCC_CR_PLLON;
+ }
+ else
+ {
+ RCC->CR &= ~RCC_CR_PLLON;
+ }
+}
+
+/**
+ * @brief Enables or disables the Internal High Speed oscillator for USB (HSI48).
+ * This function is only applicable for STM32F072 devices.
+ * @note After enabling the HSI48, the application software should wait on
+ * HSI48RDY flag to be set indicating that HSI48 clock is stable and can
+ * be used to clock the USB.
+ * @note The HSI48 is stopped by hardware when entering STOP and STANDBY modes.
+ * @param NewState: new state of the HSI48.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RCC_HSI48Cmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ RCC->CR2 |= RCC_CR2_HSI48ON;
+ }
+ else
+ {
+ RCC->CR2 &= ~RCC_CR2_HSI48ON;
+ }
+}
+
+/**
+ * @brief Configures the PREDIV1 division factor.
+ * @note This function must be used only when the PLL is disabled.
+ * @param RCC_PREDIV1_Div: specifies the PREDIV1 clock division factor.
+ * This parameter can be RCC_PREDIV1_Divx where x:[1,16]
+ * @retval None
+ */
+void RCC_PREDIV1Config(uint32_t RCC_PREDIV1_Div)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RCC_PREDIV1(RCC_PREDIV1_Div));
+
+ tmpreg = RCC->CFGR2;
+ /* Clear PREDIV1[3:0] bits */
+ tmpreg &= ~(RCC_CFGR2_PREDIV1);
+ /* Set the PREDIV1 division factor */
+ tmpreg |= RCC_PREDIV1_Div;
+ /* Store the new value */
+ RCC->CFGR2 = tmpreg;
+}
+
+/**
+ * @brief Enables or disables the Clock Security System.
+ * @note If a failure is detected on the HSE oscillator clock, this oscillator
+ * is automatically disabled and an interrupt is generated to inform the
+ * software about the failure (Clock Security System Interrupt, CSSI),
+ * allowing the MCU to perform rescue operations. The CSSI is linked to
+ * the Cortex-M0 NMI (Non-Maskable Interrupt) exception vector.
+ * @param NewState: new state of the Clock Security System.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RCC_ClockSecuritySystemCmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ RCC->CR |= RCC_CR_CSSON;
+ }
+ else
+ {
+ RCC->CR &= ~RCC_CR_CSSON;
+ }
+}
+
+#ifdef STM32F051
+/**
+ * @brief Selects the clock source to output on MCO pin (PA8).
+ * @note PA8 should be configured in alternate function mode.
+ * @param RCC_MCOSource: specifies the clock source to output.
+ * This parameter can be one of the following values:
+ * @arg RCC_MCOSource_NoClock: No clock selected.
+ * @arg RCC_MCOSource_HSI14: HSI14 oscillator clock selected.
+ * @arg RCC_MCOSource_LSI: LSI oscillator clock selected.
+ * @arg RCC_MCOSource_LSE: LSE oscillator clock selected.
+ * @arg RCC_MCOSource_SYSCLK: System clock selected.
+ * @arg RCC_MCOSource_HSI: HSI oscillator clock selected.
+ * @arg RCC_MCOSource_HSE: HSE oscillator clock selected.
+ * @arg RCC_MCOSource_PLLCLK_Div2: PLL clock divided by 2 selected.
+ * @retval None
+ */
+void RCC_MCOConfig(uint8_t RCC_MCOSource)
+{
+ /* Check the parameters */
+ assert_param(IS_RCC_MCO_SOURCE(RCC_MCOSource));
+
+ /* Select MCO clock source and prescaler */
+ *(__IO uint8_t *) CFGR_BYTE3_ADDRESS = RCC_MCOSource;
+}
+#else
+
+/**
+ * @brief Selects the clock source to output on MCO pin (PA8) and the corresponding
+ * prescsaler.
+ * @note PA8 should be configured in alternate function mode.
+ * @param RCC_MCOSource: specifies the clock source to output.
+ * This parameter can be one of the following values:
+ * @arg RCC_MCOSource_NoClock: No clock selected.
+ * @arg RCC_MCOSource_HSI14: HSI14 oscillator clock selected.
+ * @arg RCC_MCOSource_LSI: LSI oscillator clock selected.
+ * @arg RCC_MCOSource_LSE: LSE oscillator clock selected.
+ * @arg RCC_MCOSource_SYSCLK: System clock selected.
+ * @arg RCC_MCOSource_HSI: HSI oscillator clock selected.
+ * @arg RCC_MCOSource_HSE: HSE oscillator clock selected.
+ * @arg RCC_MCOSource_PLLCLK_Div2: PLL clock divided by 2 selected.
+ * @arg RCC_MCOSource_PLLCLK: PLL clock selected.
+ * @arg RCC_MCOSource_HSI48: HSI48 clock selected.
+ * @param RCC_MCOPrescaler: specifies the prescaler on MCO pin.
+ * This parameter can be one of the following values:
+ * @arg RCC_MCOPrescaler_1: MCO clock is divided by 1.
+ * @arg RCC_MCOPrescaler_2: MCO clock is divided by 2.
+ * @arg RCC_MCOPrescaler_4: MCO clock is divided by 4.
+ * @arg RCC_MCOPrescaler_8: MCO clock is divided by 8.
+ * @arg RCC_MCOPrescaler_16: MCO clock is divided by 16.
+ * @arg RCC_MCOPrescaler_32: MCO clock is divided by 32.
+ * @arg RCC_MCOPrescaler_64: MCO clock is divided by 64.
+ * @arg RCC_MCOPrescaler_128: MCO clock is divided by 128.
+ * @retval None
+ */
+void RCC_MCOConfig(uint8_t RCC_MCOSource, uint32_t RCC_MCOPrescaler)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RCC_MCO_SOURCE(RCC_MCOSource));
+ assert_param(IS_RCC_MCO_PRESCALER(RCC_MCOPrescaler));
+
+ /* Get CFGR value */
+ tmpreg = RCC->CFGR;
+ /* Clear MCOPRE[2:0] bits */
+ tmpreg &= ~(RCC_CFGR_MCO_PRE | RCC_CFGR_MCO | RCC_CFGR_PLLNODIV);
+ /* Set the RCC_MCOSource and RCC_MCOPrescaler */
+ tmpreg |= (RCC_MCOPrescaler | ((uint32_t)RCC_MCOSource<<24));
+ /* Store the new value */
+ RCC->CFGR = tmpreg;
+}
+#endif /* STM32F072 */
+
+/**
+ * @}
+ */
+
+/** @defgroup RCC_Group2 System AHB and APB busses clocks configuration functions
+ * @brief System, AHB and APB busses clocks configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### System, AHB and APB busses clocks configuration functions #####
+ ===============================================================================
+
+ [..] This section provide functions allowing to configure the System, AHB and
+ APB busses clocks.
+ (#) Several clock sources can be used to drive the System clock (SYSCLK): HSI,
+ HSE and PLL.
+ The AHB clock (HCLK) is derived from System clock through configurable prescaler
+ and used to clock the CPU, memory and peripherals mapped on AHB bus (DMA and GPIO).
+ and APB (PCLK) clocks are derived from AHB clock through
+ configurable prescalers and used to clock the peripherals mapped on these busses.
+ You can use "RCC_GetClocksFreq()" function to retrieve the frequencies of these clocks.
+
+ -@- All the peripheral clocks are derived from the System clock (SYSCLK) except:
+ (+@) The ADC clock which is derived from HSI14 or APB (APB divided by a
+ programmable prescaler: 2 or 4).
+ (+@) The CEC clock which is derived from LSE or HSI divided by 244.
+ (+@) The I2C clock which is derived from HSI or system clock (SYSCLK).
+ (+@) The USART clock which is derived from HSI, system clock (SYSCLK), APB or LSE.
+ (+@) The RTC/LCD clock which is derived from the LSE, LSI or 2 MHz HSE_RTC (HSE
+ divided by a programmable prescaler).
+ The System clock (SYSCLK) frequency must be higher or equal to the RTC/LCD
+ clock frequency.
+ (+@) IWDG clock which is always the LSI clock.
+
+ (#) The maximum frequency of the SYSCLK, HCLK and PCLK is 48 MHz.
+ Depending on the maximum frequency, the FLASH wait states (WS) should be
+ adapted accordingly:
+ +--------------------------------------------- +
+ | Wait states | HCLK clock frequency (MHz) |
+ |---------------|------------------------------|
+ |0WS(1CPU cycle)| 0 < HCLK <= 24 |
+ |---------------|------------------------------|
+ |1WS(2CPU cycle)| 24 < HCLK <= 48 |
+ +----------------------------------------------+
+
+ (#) After reset, the System clock source is the HSI (8 MHz) with 0 WS and
+ prefetch is disabled.
+
+ [..] It is recommended to use the following software sequences to tune the number
+ of wait states needed to access the Flash memory with the CPU frequency (HCLK).
+ (+) Increasing the CPU frequency
+ (++) Program the Flash Prefetch buffer, using "FLASH_PrefetchBufferCmd(ENABLE)"
+ function
+ (++) Check that Flash Prefetch buffer activation is taken into account by
+ reading FLASH_ACR using the FLASH_GetPrefetchBufferStatus() function
+ (++) Program Flash WS to 1, using "FLASH_SetLatency(FLASH_Latency_1)" function
+ (++) Check that the new number of WS is taken into account by reading FLASH_ACR
+ (++) Modify the CPU clock source, using "RCC_SYSCLKConfig()" function
+ (++) If needed, modify the CPU clock prescaler by using "RCC_HCLKConfig()" function
+ (++) Check that the new CPU clock source is taken into account by reading
+ the clock source status, using "RCC_GetSYSCLKSource()" function
+ (+) Decreasing the CPU frequency
+ (++) Modify the CPU clock source, using "RCC_SYSCLKConfig()" function
+ (++) If needed, modify the CPU clock prescaler by using "RCC_HCLKConfig()" function
+ (++) Check that the new CPU clock source is taken into account by reading
+ the clock source status, using "RCC_GetSYSCLKSource()" function
+ (++) Program the new number of WS, using "FLASH_SetLatency()" function
+ (++) Check that the new number of WS is taken into account by reading FLASH_ACR
+ (++) Disable the Flash Prefetch buffer using "FLASH_PrefetchBufferCmd(DISABLE)"
+ function
+ (++) Check that Flash Prefetch buffer deactivation is taken into account by reading FLASH_ACR
+ using the FLASH_GetPrefetchBufferStatus() function.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Configures the system clock (SYSCLK).
+ * @note The HSI is used (enabled by hardware) as system clock source after
+ * startup from Reset, wake-up from STOP and STANDBY mode, or in case
+ * of failure of the HSE used directly or indirectly as system clock
+ * (if the Clock Security System CSS is enabled).
+ * @note A switch from one clock source to another occurs only if the target
+ * clock source is ready (clock stable after startup delay or PLL locked).
+ * If a clock source which is not yet ready is selected, the switch will
+ * occur when the clock source will be ready.
+ * You can use RCC_GetSYSCLKSource() function to know which clock is
+ * currently used as system clock source.
+ * @param RCC_SYSCLKSource: specifies the clock source used as system clock source
+ * This parameter can be one of the following values:
+ * @arg RCC_SYSCLKSource_HSI: HSI selected as system clock source
+ * @arg RCC_SYSCLKSource_HSE: HSE selected as system clock source
+ * @arg RCC_SYSCLKSource_PLLCLK: PLL selected as system clock source
+ * @arg RCC_SYSCLKSource_HSI48: HSI48 selected as system clock source, applicable only for STM32F072 devices
+ * @retval None
+ */
+void RCC_SYSCLKConfig(uint32_t RCC_SYSCLKSource)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RCC_SYSCLK_SOURCE(RCC_SYSCLKSource));
+
+ tmpreg = RCC->CFGR;
+
+ /* Clear SW[1:0] bits */
+ tmpreg &= ~RCC_CFGR_SW;
+
+ /* Set SW[1:0] bits according to RCC_SYSCLKSource value */
+ tmpreg |= RCC_SYSCLKSource;
+
+ /* Store the new value */
+ RCC->CFGR = tmpreg;
+}
+
+/**
+ * @brief Returns the clock source used as system clock.
+ * @param None
+ * @retval The clock source used as system clock. The returned value can be one
+ * of the following values:
+ * - 0x00: HSI used as system clock
+ * - 0x04: HSE used as system clock
+ * - 0x08: PLL used as system clock
+ * - 0x0C: HSI48 used as system clock, applicable only for STM32F072 devices
+ */
+uint8_t RCC_GetSYSCLKSource(void)
+{
+ return ((uint8_t)(RCC->CFGR & RCC_CFGR_SWS));
+}
+
+/**
+ * @brief Configures the AHB clock (HCLK).
+ * @param RCC_SYSCLK: defines the AHB clock divider. This clock is derived from
+ * the system clock (SYSCLK).
+ * This parameter can be one of the following values:
+ * @arg RCC_SYSCLK_Div1: AHB clock = SYSCLK
+ * @arg RCC_SYSCLK_Div2: AHB clock = SYSCLK/2
+ * @arg RCC_SYSCLK_Div4: AHB clock = SYSCLK/4
+ * @arg RCC_SYSCLK_Div8: AHB clock = SYSCLK/8
+ * @arg RCC_SYSCLK_Div16: AHB clock = SYSCLK/16
+ * @arg RCC_SYSCLK_Div64: AHB clock = SYSCLK/64
+ * @arg RCC_SYSCLK_Div128: AHB clock = SYSCLK/128
+ * @arg RCC_SYSCLK_Div256: AHB clock = SYSCLK/256
+ * @arg RCC_SYSCLK_Div512: AHB clock = SYSCLK/512
+ * @retval None
+ */
+void RCC_HCLKConfig(uint32_t RCC_SYSCLK)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RCC_HCLK(RCC_SYSCLK));
+
+ tmpreg = RCC->CFGR;
+
+ /* Clear HPRE[3:0] bits */
+ tmpreg &= ~RCC_CFGR_HPRE;
+
+ /* Set HPRE[3:0] bits according to RCC_SYSCLK value */
+ tmpreg |= RCC_SYSCLK;
+
+ /* Store the new value */
+ RCC->CFGR = tmpreg;
+}
+
+/**
+ * @brief Configures the APB clock (PCLK).
+ * @param RCC_HCLK: defines the APB clock divider. This clock is derived from
+ * the AHB clock (HCLK).
+ * This parameter can be one of the following values:
+ * @arg RCC_HCLK_Div1: APB clock = HCLK
+ * @arg RCC_HCLK_Div2: APB clock = HCLK/2
+ * @arg RCC_HCLK_Div4: APB clock = HCLK/4
+ * @arg RCC_HCLK_Div8: APB clock = HCLK/8
+ * @arg RCC_HCLK_Div16: APB clock = HCLK/16
+ * @retval None
+ */
+void RCC_PCLKConfig(uint32_t RCC_HCLK)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RCC_PCLK(RCC_HCLK));
+
+ tmpreg = RCC->CFGR;
+
+ /* Clear PPRE[2:0] bits */
+ tmpreg &= ~RCC_CFGR_PPRE;
+
+ /* Set PPRE[2:0] bits according to RCC_HCLK value */
+ tmpreg |= RCC_HCLK;
+
+ /* Store the new value */
+ RCC->CFGR = tmpreg;
+}
+
+/**
+ * @brief Configures the ADC clock (ADCCLK).
+ * @note This function is obsolete.
+ * For proper ADC clock selection, refer to ADC_ClockModeConfig() in the ADC driver
+ * @param RCC_ADCCLK: defines the ADC clock source. This clock is derived
+ * from the HSI14 or APB clock (PCLK).
+ * This parameter can be one of the following values:
+ * @arg RCC_ADCCLK_HSI14: ADC clock = HSI14 (14MHz)
+ * @arg RCC_ADCCLK_PCLK_Div2: ADC clock = PCLK/2
+ * @arg RCC_ADCCLK_PCLK_Div4: ADC clock = PCLK/4
+ * @retval None
+ */
+void RCC_ADCCLKConfig(uint32_t RCC_ADCCLK)
+{
+ /* Check the parameters */
+ assert_param(IS_RCC_ADCCLK(RCC_ADCCLK));
+
+ /* Clear ADCPRE bit */
+ RCC->CFGR &= ~RCC_CFGR_ADCPRE;
+ /* Set ADCPRE bits according to RCC_PCLK value */
+ RCC->CFGR |= RCC_ADCCLK & 0xFFFF;
+
+ /* Clear ADCSW bit */
+ RCC->CFGR3 &= ~RCC_CFGR3_ADCSW;
+ /* Set ADCSW bits according to RCC_ADCCLK value */
+ RCC->CFGR3 |= RCC_ADCCLK >> 16;
+}
+
+/**
+ * @brief Configures the CEC clock (CECCLK).
+ * @param RCC_CECCLK: defines the CEC clock source. This clock is derived
+ * from the HSI or LSE clock.
+ * This parameter can be one of the following values:
+ * @arg RCC_CECCLK_HSI_Div244: CEC clock = HSI/244 (32768Hz)
+ * @arg RCC_CECCLK_LSE: CEC clock = LSE
+ * @retval None
+ */
+void RCC_CECCLKConfig(uint32_t RCC_CECCLK)
+{
+ /* Check the parameters */
+ assert_param(IS_RCC_CECCLK(RCC_CECCLK));
+
+ /* Clear CECSW bit */
+ RCC->CFGR3 &= ~RCC_CFGR3_CECSW;
+ /* Set CECSW bits according to RCC_CECCLK value */
+ RCC->CFGR3 |= RCC_CECCLK;
+}
+
+/**
+ * @brief Configures the I2C1 clock (I2C1CLK).
+ * @param RCC_I2CCLK: defines the I2C1 clock source. This clock is derived
+ * from the HSI or System clock.
+ * This parameter can be one of the following values:
+ * @arg RCC_I2C1CLK_HSI: I2C1 clock = HSI
+ * @arg RCC_I2C1CLK_SYSCLK: I2C1 clock = System Clock
+ * @retval None
+ */
+void RCC_I2CCLKConfig(uint32_t RCC_I2CCLK)
+{
+ /* Check the parameters */
+ assert_param(IS_RCC_I2CCLK(RCC_I2CCLK));
+
+ /* Clear I2CSW bit */
+ RCC->CFGR3 &= ~RCC_CFGR3_I2C1SW;
+ /* Set I2CSW bits according to RCC_I2CCLK value */
+ RCC->CFGR3 |= RCC_I2CCLK;
+}
+
+/**
+ * @brief Configures the USART1 clock (USART1CLK).
+ * @param RCC_USARTCLK: defines the USART clock source. This clock is derived
+ * from the HSI or System clock.
+ * This parameter can be one of the following values:
+ * @arg RCC_USART1CLK_PCLK: USART1 clock = APB Clock (PCLK)
+ * @arg RCC_USART1CLK_SYSCLK: USART1 clock = System Clock
+ * @arg RCC_USART1CLK_LSE: USART1 clock = LSE Clock
+ * @arg RCC_USART1CLK_HSI: USART1 clock = HSI Clock
+ * @arg RCC_USART2CLK_PCLK: USART2 clock = APB Clock (PCLK), applicable only for STM32F072 and STM32F091 devices
+ * @arg RCC_USART2CLK_SYSCLK: USART2 clock = System Clock, applicable only for STM32F072 and STM32F091 devices
+ * @arg RCC_USART2CLK_LSE: USART2 clock = LSE Clock, applicable only for STM32F072 and STM32F091 devices
+ * @arg RCC_USART2CLK_HSI: USART2 clock = HSI Clock, applicable only for STM32F072 and STM32F091 devices
+ * @arg RCC_USART3CLK_PCLK: USART3 clock = APB Clock (PCLK), applicable only for STM32F091 devices
+ * @arg RCC_USART3CLK_SYSCLK: USART3 clock = System Clock, applicable only for STM32F091 devices
+ * @arg RCC_USART3CLK_LSE: USART3 clock = LSE Clock, applicable only for STM32F091 devices
+ * @arg RCC_USART3CLK_HSI: USART3 clock = HSI Clock, applicable only for STM32F091 devices
+ * @retval None
+ */
+void RCC_USARTCLKConfig(uint32_t RCC_USARTCLK)
+{
+ uint32_t tmp = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RCC_USARTCLK(RCC_USARTCLK));
+
+ /* Get USART index */
+ tmp = (RCC_USARTCLK >> 28);
+
+ /* Clear USARTSW[1:0] bit */
+ if (tmp == (uint32_t)0x00000001)
+ {
+ /* Clear USART1SW[1:0] bit */
+ RCC->CFGR3 &= ~RCC_CFGR3_USART1SW;
+ }
+ else if (tmp == (uint32_t)0x00000002)
+ {
+ /* Clear USART2SW[1:0] bit */
+ RCC->CFGR3 &= ~RCC_CFGR3_USART2SW;
+ }
+ else
+ {
+ /* Clear USART3SW[1:0] bit */
+ RCC->CFGR3 &= ~RCC_CFGR3_USART3SW;
+ }
+
+ /* Set USARTxSW bits according to RCC_USARTCLK value */
+ RCC->CFGR3 |= RCC_USARTCLK;
+}
+
+/**
+ * @brief Configures the USB clock (USBCLK).
+ * This function is only applicable for STM32F072 devices.
+ * @param RCC_USBCLK: defines the USB clock source. This clock is derived
+ * from the HSI48 or system clock.
+ * This parameter can be one of the following values:
+ * @arg RCC_USBCLK_HSI48: USB clock = HSI48
+ * @arg RCC_USBCLK_PLLCLK: USB clock = PLL clock
+ * @retval None
+ */
+void RCC_USBCLKConfig(uint32_t RCC_USBCLK)
+{
+ /* Check the parameters */
+ assert_param(IS_RCC_USBCLK(RCC_USBCLK));
+
+ /* Clear USBSW bit */
+ RCC->CFGR3 &= ~RCC_CFGR3_USBSW;
+ /* Set USBSW bits according to RCC_USBCLK value */
+ RCC->CFGR3 |= RCC_USBCLK;
+}
+
+/**
+ * @brief Returns the frequencies of the System, AHB and APB busses clocks.
+ * @note The frequency returned by this function is not the real frequency
+ * in the chip. It is calculated based on the predefined constant and
+ * the source selected by RCC_SYSCLKConfig():
+ *
+ * @note If SYSCLK source is HSI, function returns constant HSI_VALUE(*)
+ *
+ * @note If SYSCLK source is HSE, function returns constant HSE_VALUE(**)
+ *
+ * @note If SYSCLK source is PLL, function returns constant HSE_VALUE(**)
+ * or HSI_VALUE(*) multiplied by the PLL factors.
+ *
+ * @note If SYSCLK source is HSI48, function returns constant HSI48_VALUE(***)
+ *
+ * @note (*) HSI_VALUE is a constant defined in stm32f0xx.h file (default value
+ * 8 MHz) but the real value may vary depending on the variations
+ * in voltage and temperature, refer to RCC_AdjustHSICalibrationValue().
+ *
+ * @note (**) HSE_VALUE is a constant defined in stm32f0xx.h file (default value
+ * 8 MHz), user has to ensure that HSE_VALUE is same as the real
+ * frequency of the crystal used. Otherwise, this function may
+ * return wrong result.
+ *
+ * @note (***) HSI48_VALUE is a constant defined in stm32f0xx.h file (default value
+ * 48 MHz) but the real value may vary depending on the variations
+ * in voltage and temperature.
+ *
+ * @note The result of this function could be not correct when using fractional
+ * value for HSE crystal.
+ *
+ * @param RCC_Clocks: pointer to a RCC_ClocksTypeDef structure which will hold
+ * the clocks frequencies.
+ *
+ * @note This function can be used by the user application to compute the
+ * baudrate for the communication peripherals or configure other parameters.
+ * @note Each time SYSCLK, HCLK and/or PCLK clock changes, this function
+ * must be called to update the structure's field. Otherwise, any
+ * configuration based on this function will be incorrect.
+ *
+ * @retval None
+ */
+void RCC_GetClocksFreq(RCC_ClocksTypeDef* RCC_Clocks)
+{
+ uint32_t tmp = 0, pllmull = 0, pllsource = 0, prediv1factor = 0, presc = 0, pllclk = 0;
+
+ /* Get SYSCLK source -------------------------------------------------------*/
+ tmp = RCC->CFGR & RCC_CFGR_SWS;
+
+ switch (tmp)
+ {
+ case 0x00: /* HSI used as system clock */
+ RCC_Clocks->SYSCLK_Frequency = HSI_VALUE;
+ break;
+ case 0x04: /* HSE used as system clock */
+ RCC_Clocks->SYSCLK_Frequency = HSE_VALUE;
+ break;
+ case 0x08: /* PLL used as system clock */
+ /* Get PLL clock source and multiplication factor ----------------------*/
+ pllmull = RCC->CFGR & RCC_CFGR_PLLMULL;
+ pllsource = RCC->CFGR & RCC_CFGR_PLLSRC;
+ pllmull = ( pllmull >> 18) + 2;
+
+ if (pllsource == 0x00)
+ {
+ /* HSI oscillator clock divided by 2 selected as PLL clock entry */
+ pllclk = (HSI_VALUE >> 1) * pllmull;
+ }
+ else
+ {
+ prediv1factor = (RCC->CFGR2 & RCC_CFGR2_PREDIV1) + 1;
+ /* HSE oscillator clock selected as PREDIV1 clock entry */
+ pllclk = (HSE_VALUE / prediv1factor) * pllmull;
+ }
+ RCC_Clocks->SYSCLK_Frequency = pllclk;
+ break;
+ case 0x0C: /* HSI48 used as system clock */
+ RCC_Clocks->SYSCLK_Frequency = HSI48_VALUE;
+ break;
+ default: /* HSI used as system clock */
+ RCC_Clocks->SYSCLK_Frequency = HSI_VALUE;
+ break;
+ }
+ /* Compute HCLK, PCLK clocks frequencies -----------------------------------*/
+ /* Get HCLK prescaler */
+ tmp = RCC->CFGR & RCC_CFGR_HPRE;
+ tmp = tmp >> 4;
+ presc = APBAHBPrescTable[tmp];
+ /* HCLK clock frequency */
+ RCC_Clocks->HCLK_Frequency = RCC_Clocks->SYSCLK_Frequency >> presc;
+
+ /* Get PCLK prescaler */
+ tmp = RCC->CFGR & RCC_CFGR_PPRE;
+ tmp = tmp >> 8;
+ presc = APBAHBPrescTable[tmp];
+ /* PCLK clock frequency */
+ RCC_Clocks->PCLK_Frequency = RCC_Clocks->HCLK_Frequency >> presc;
+
+ /* ADCCLK clock frequency */
+ if((RCC->CFGR3 & RCC_CFGR3_ADCSW) != RCC_CFGR3_ADCSW)
+ {
+ /* ADC Clock is HSI14 Osc. */
+ RCC_Clocks->ADCCLK_Frequency = HSI14_VALUE;
+ }
+ else
+ {
+ if((RCC->CFGR & RCC_CFGR_ADCPRE) != RCC_CFGR_ADCPRE)
+ {
+ /* ADC Clock is derived from PCLK/2 */
+ RCC_Clocks->ADCCLK_Frequency = RCC_Clocks->PCLK_Frequency >> 1;
+ }
+ else
+ {
+ /* ADC Clock is derived from PCLK/4 */
+ RCC_Clocks->ADCCLK_Frequency = RCC_Clocks->PCLK_Frequency >> 2;
+ }
+
+ }
+
+ /* CECCLK clock frequency */
+ if((RCC->CFGR3 & RCC_CFGR3_CECSW) != RCC_CFGR3_CECSW)
+ {
+ /* CEC Clock is HSI/244 */
+ RCC_Clocks->CECCLK_Frequency = HSI_VALUE / 244;
+ }
+ else
+ {
+ /* CECC Clock is LSE Osc. */
+ RCC_Clocks->CECCLK_Frequency = LSE_VALUE;
+ }
+
+ /* I2C1CLK clock frequency */
+ if((RCC->CFGR3 & RCC_CFGR3_I2C1SW) != RCC_CFGR3_I2C1SW)
+ {
+ /* I2C1 Clock is HSI Osc. */
+ RCC_Clocks->I2C1CLK_Frequency = HSI_VALUE;
+ }
+ else
+ {
+ /* I2C1 Clock is System Clock */
+ RCC_Clocks->I2C1CLK_Frequency = RCC_Clocks->SYSCLK_Frequency;
+ }
+
+ /* USART1CLK clock frequency */
+ if((RCC->CFGR3 & RCC_CFGR3_USART1SW) == 0x0)
+ {
+ /* USART1 Clock is PCLK */
+ RCC_Clocks->USART1CLK_Frequency = RCC_Clocks->PCLK_Frequency;
+ }
+ else if((RCC->CFGR3 & RCC_CFGR3_USART1SW) == RCC_CFGR3_USART1SW_0)
+ {
+ /* USART1 Clock is System Clock */
+ RCC_Clocks->USART1CLK_Frequency = RCC_Clocks->SYSCLK_Frequency;
+ }
+ else if((RCC->CFGR3 & RCC_CFGR3_USART1SW) == RCC_CFGR3_USART1SW_1)
+ {
+ /* USART1 Clock is LSE Osc. */
+ RCC_Clocks->USART1CLK_Frequency = LSE_VALUE;
+ }
+ else if((RCC->CFGR3 & RCC_CFGR3_USART1SW) == RCC_CFGR3_USART1SW)
+ {
+ /* USART1 Clock is HSI Osc. */
+ RCC_Clocks->USART1CLK_Frequency = HSI_VALUE;
+ }
+
+ /* USART2CLK clock frequency */
+ if((RCC->CFGR3 & RCC_CFGR3_USART2SW) == 0x0)
+ {
+ /* USART Clock is PCLK */
+ RCC_Clocks->USART2CLK_Frequency = RCC_Clocks->PCLK_Frequency;
+ }
+ else if((RCC->CFGR3 & RCC_CFGR3_USART2SW) == RCC_CFGR3_USART2SW_0)
+ {
+ /* USART Clock is System Clock */
+ RCC_Clocks->USART2CLK_Frequency = RCC_Clocks->SYSCLK_Frequency;
+ }
+ else if((RCC->CFGR3 & RCC_CFGR3_USART2SW) == RCC_CFGR3_USART2SW_1)
+ {
+ /* USART Clock is LSE Osc. */
+ RCC_Clocks->USART2CLK_Frequency = LSE_VALUE;
+ }
+ else if((RCC->CFGR3 & RCC_CFGR3_USART2SW) == RCC_CFGR3_USART2SW)
+ {
+ /* USART Clock is HSI Osc. */
+ RCC_Clocks->USART2CLK_Frequency = HSI_VALUE;
+ }
+
+ /* USART3CLK clock frequency */
+ if((RCC->CFGR3 & RCC_CFGR3_USART3SW) == 0x0)
+ {
+ /* USART Clock is PCLK */
+ RCC_Clocks->USART3CLK_Frequency = RCC_Clocks->PCLK_Frequency;
+ }
+ else if((RCC->CFGR3 & RCC_CFGR3_USART3SW) == RCC_CFGR3_USART3SW_0)
+ {
+ /* USART Clock is System Clock */
+ RCC_Clocks->USART3CLK_Frequency = RCC_Clocks->SYSCLK_Frequency;
+ }
+ else if((RCC->CFGR3 & RCC_CFGR3_USART3SW) == RCC_CFGR3_USART3SW_1)
+ {
+ /* USART Clock is LSE Osc. */
+ RCC_Clocks->USART3CLK_Frequency = LSE_VALUE;
+ }
+ else if((RCC->CFGR3 & RCC_CFGR3_USART3SW) == RCC_CFGR3_USART3SW)
+ {
+ /* USART Clock is HSI Osc. */
+ RCC_Clocks->USART3CLK_Frequency = HSI_VALUE;
+ }
+
+ /* USBCLK clock frequency */
+ if((RCC->CFGR3 & RCC_CFGR3_USBSW) != RCC_CFGR3_USBSW)
+ {
+ /* USB Clock is HSI48 */
+ RCC_Clocks->USBCLK_Frequency = HSI48_VALUE;
+ }
+ else
+ {
+ /* USB Clock is PLL clock */
+ RCC_Clocks->USBCLK_Frequency = pllclk;
+ }
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup RCC_Group3 Peripheral clocks configuration functions
+ * @brief Peripheral clocks configuration functions
+ *
+@verbatim
+ ===============================================================================
+ #####Peripheral clocks configuration functions #####
+ ===============================================================================
+
+ [..] This section provide functions allowing to configure the Peripheral clocks.
+ (#) The RTC clock which is derived from the LSE, LSI or HSE_Div32 (HSE
+ divided by 32).
+ (#) After restart from Reset or wakeup from STANDBY, all peripherals are off
+ except internal SRAM, Flash and SWD. Before to start using a peripheral you
+ have to enable its interface clock. You can do this using RCC_AHBPeriphClockCmd(),
+ RCC_APB2PeriphClockCmd() and RCC_APB1PeriphClockCmd() functions.
+ (#) To reset the peripherals configuration (to the default state after device reset)
+ you can use RCC_AHBPeriphResetCmd(), RCC_APB2PeriphResetCmd() and
+ RCC_APB1PeriphResetCmd() functions.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Configures the RTC clock (RTCCLK).
+ * @note As the RTC clock configuration bits are in the Backup domain and write
+ * access is denied to this domain after reset, you have to enable write
+ * access using PWR_BackupAccessCmd(ENABLE) function before to configure
+ * the RTC clock source (to be done once after reset).
+ * @note Once the RTC clock is configured it can't be changed unless the RTC
+ * is reset using RCC_BackupResetCmd function, or by a Power On Reset (POR)
+ *
+ * @param RCC_RTCCLKSource: specifies the RTC clock source.
+ * This parameter can be one of the following values:
+ * @arg RCC_RTCCLKSource_LSE: LSE selected as RTC clock
+ * @arg RCC_RTCCLKSource_LSI: LSI selected as RTC clock
+ * @arg RCC_RTCCLKSource_HSE_Div32: HSE divided by 32 selected as RTC clock
+ *
+ * @note If the LSE or LSI is used as RTC clock source, the RTC continues to
+ * work in STOP and STANDBY modes, and can be used as wakeup source.
+ * However, when the HSE clock is used as RTC clock source, the RTC
+ * cannot be used in STOP and STANDBY modes.
+ *
+ * @note The maximum input clock frequency for RTC is 2MHz (when using HSE as
+ * RTC clock source).
+ *
+ * @retval None
+ */
+void RCC_RTCCLKConfig(uint32_t RCC_RTCCLKSource)
+{
+ /* Check the parameters */
+ assert_param(IS_RCC_RTCCLK_SOURCE(RCC_RTCCLKSource));
+
+ /* Select the RTC clock source */
+ RCC->BDCR |= RCC_RTCCLKSource;
+}
+
+/**
+ * @brief Enables or disables the RTC clock.
+ * @note This function must be used only after the RTC clock source was selected
+ * using the RCC_RTCCLKConfig function.
+ * @param NewState: new state of the RTC clock.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RCC_RTCCLKCmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ RCC->BDCR |= RCC_BDCR_RTCEN;
+ }
+ else
+ {
+ RCC->BDCR &= ~RCC_BDCR_RTCEN;
+ }
+}
+
+/**
+ * @brief Forces or releases the Backup domain reset.
+ * @note This function resets the RTC peripheral (including the backup registers)
+ * and the RTC clock source selection in RCC_BDCR register.
+ * @param NewState: new state of the Backup domain reset.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RCC_BackupResetCmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ RCC->BDCR |= RCC_BDCR_BDRST;
+ }
+ else
+ {
+ RCC->BDCR &= ~RCC_BDCR_BDRST;
+ }
+}
+
+/**
+ * @brief Enables or disables the AHB peripheral clock.
+ * @note After reset, the peripheral clock (used for registers read/write access)
+ * is disabled and the application software has to enable this clock before
+ * using it.
+ * @param RCC_AHBPeriph: specifies the AHB peripheral to gates its clock.
+ * This parameter can be any combination of the following values:
+ * @arg RCC_AHBPeriph_GPIOA: GPIOA clock
+ * @arg RCC_AHBPeriph_GPIOB: GPIOB clock
+ * @arg RCC_AHBPeriph_GPIOC: GPIOC clock
+ * @arg RCC_AHBPeriph_GPIOD: GPIOD clock
+ * @arg RCC_AHBPeriph_GPIOE: GPIOE clock, applicable only for STM32F072 devices
+ * @arg RCC_AHBPeriph_GPIOF: GPIOF clock
+ * @arg RCC_AHBPeriph_TS: TS clock
+ * @arg RCC_AHBPeriph_CRC: CRC clock
+ * @arg RCC_AHBPeriph_FLITF: (has effect only when the Flash memory is in power down mode)
+ * @arg RCC_AHBPeriph_SRAM: SRAM clock
+ * @arg RCC_AHBPeriph_DMA1: DMA1 clock
+ * @arg RCC_AHBPeriph_DMA2: DMA2 clock
+ * @param NewState: new state of the specified peripheral clock.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RCC_AHBPeriphClockCmd(uint32_t RCC_AHBPeriph, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_RCC_AHB_PERIPH(RCC_AHBPeriph));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ RCC->AHBENR |= RCC_AHBPeriph;
+ }
+ else
+ {
+ RCC->AHBENR &= ~RCC_AHBPeriph;
+ }
+}
+
+/**
+ * @brief Enables or disables the High Speed APB (APB2) peripheral clock.
+ * @note After reset, the peripheral clock (used for registers read/write access)
+ * is disabled and the application software has to enable this clock before
+ * using it.
+ * @param RCC_APB2Periph: specifies the APB2 peripheral to gates its clock.
+ * This parameter can be any combination of the following values:
+ * @arg RCC_APB2Periph_SYSCFG: SYSCFG clock
+ * @arg RCC_APB2Periph_USART6: USART6 clock
+ * @arg RCC_APB2Periph_USART7: USART7 clock
+ * @arg RCC_APB2Periph_USART8: USART8 clock
+ * @arg RCC_APB2Periph_ADC1: ADC1 clock
+ * @arg RCC_APB2Periph_TIM1: TIM1 clock
+ * @arg RCC_APB2Periph_SPI1: SPI1 clock
+ * @arg RCC_APB2Periph_USART1: USART1 clock
+ * @arg RCC_APB2Periph_TIM15: TIM15 clock
+ * @arg RCC_APB2Periph_TIM16: TIM16 clock
+ * @arg RCC_APB2Periph_TIM17: TIM17 clock
+ * @arg RCC_APB2Periph_DBGMCU: DBGMCU clock
+ * @param NewState: new state of the specified peripheral clock.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RCC_APB2PeriphClockCmd(uint32_t RCC_APB2Periph, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_RCC_APB2_PERIPH(RCC_APB2Periph));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ RCC->APB2ENR |= RCC_APB2Periph;
+ }
+ else
+ {
+ RCC->APB2ENR &= ~RCC_APB2Periph;
+ }
+}
+
+/**
+ * @brief Enables or disables the Low Speed APB (APB1) peripheral clock.
+ * @note After reset, the peripheral clock (used for registers read/write access)
+ * is disabled and the application software has to enable this clock before
+ * using it.
+ * @param RCC_APB1Periph: specifies the APB1 peripheral to gates its clock.
+ * This parameter can be any combination of the following values:
+ * @arg RCC_APB1Periph_TIM2: TIM2 clock, applicable only for STM32F051 and STM32F072 devices
+ * @arg RCC_APB1Periph_TIM3: TIM3 clock
+ * @arg RCC_APB1Periph_TIM6: TIM6 clock
+ * @arg RCC_APB1Periph_TIM7: TIM7 clock, applicable only for STM32F072 devices
+ * @arg RCC_APB1Periph_TIM14: TIM14 clock
+ * @arg RCC_APB1Periph_WWDG: WWDG clock
+ * @arg RCC_APB1Periph_SPI2: SPI2 clock
+ * @arg RCC_APB1Periph_USART2: USART2 clock
+ * @arg RCC_APB1Periph_USART3: USART3 clock, applicable only for STM32F072 and STM32F091 devices
+ * @arg RCC_APB1Periph_USART4: USART4 clock, applicable only for STM32F072 and STM32F091 devices
+ * @arg RCC_APB1Periph_USART5: USART5 clock, applicable only for STM32F091 devices
+ * @arg RCC_APB1Periph_I2C1: I2C1 clock
+ * @arg RCC_APB1Periph_I2C2: I2C2 clock
+ * @arg RCC_APB1Periph_USB: USB clock, applicable only for STM32F042 and STM32F072 devices
+ * @arg RCC_APB1Periph_CAN: CAN clock, applicable only for STM32F042 and STM32F072 devices
+ * @arg RCC_APB1Periph_CRS: CRS clock , applicable only for STM32F042 and STM32F072 devices
+ * @arg RCC_APB1Periph_PWR: PWR clock
+ * @arg RCC_APB1Periph_DAC: DAC clock, applicable only for STM32F051 and STM32F072 devices
+ * @arg RCC_APB1Periph_CEC: CEC clock, applicable only for STM32F051, STM32F042 and STM32F072 devices
+ * @param NewState: new state of the specified peripheral clock.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RCC_APB1PeriphClockCmd(uint32_t RCC_APB1Periph, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_RCC_APB1_PERIPH(RCC_APB1Periph));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ RCC->APB1ENR |= RCC_APB1Periph;
+ }
+ else
+ {
+ RCC->APB1ENR &= ~RCC_APB1Periph;
+ }
+}
+
+/**
+ * @brief Forces or releases AHB peripheral reset.
+ * @param RCC_AHBPeriph: specifies the AHB peripheral to reset.
+ * This parameter can be any combination of the following values:
+ * @arg RCC_AHBPeriph_GPIOA: GPIOA clock
+ * @arg RCC_AHBPeriph_GPIOB: GPIOB clock
+ * @arg RCC_AHBPeriph_GPIOC: GPIOC clock
+ * @arg RCC_AHBPeriph_GPIOD: GPIOD clock
+ * @arg RCC_AHBPeriph_GPIOE: GPIOE clock, applicable only for STM32F072 devices
+ * @arg RCC_AHBPeriph_GPIOF: GPIOF clock
+ * @arg RCC_AHBPeriph_TS: TS clock
+ * @param NewState: new state of the specified peripheral reset.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RCC_AHBPeriphResetCmd(uint32_t RCC_AHBPeriph, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_RCC_AHB_RST_PERIPH(RCC_AHBPeriph));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ RCC->AHBRSTR |= RCC_AHBPeriph;
+ }
+ else
+ {
+ RCC->AHBRSTR &= ~RCC_AHBPeriph;
+ }
+}
+
+/**
+ * @brief Forces or releases High Speed APB (APB2) peripheral reset.
+ * @param RCC_APB2Periph: specifies the APB2 peripheral to reset.
+ * This parameter can be any combination of the following values:
+ * @arg RCC_APB2Periph_SYSCFG: SYSCFG clock
+ * @arg RCC_APB2Periph_USART6: USART6 clock
+ * @arg RCC_APB2Periph_USART7: USART7 clock
+ * @arg RCC_APB2Periph_USART8: USART8 clock
+ * @arg RCC_APB2Periph_ADC1: ADC1 clock
+ * @arg RCC_APB2Periph_TIM1: TIM1 clock
+ * @arg RCC_APB2Periph_SPI1: SPI1 clock
+ * @arg RCC_APB2Periph_USART1: USART1 clock
+ * @arg RCC_APB2Periph_TIM15: TIM15 clock
+ * @arg RCC_APB2Periph_TIM16: TIM16 clock
+ * @arg RCC_APB2Periph_TIM17: TIM17 clock
+ * @arg RCC_APB2Periph_DBGMCU: DBGMCU clock
+ * @param NewState: new state of the specified peripheral reset.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RCC_APB2PeriphResetCmd(uint32_t RCC_APB2Periph, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_RCC_APB2_PERIPH(RCC_APB2Periph));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ RCC->APB2RSTR |= RCC_APB2Periph;
+ }
+ else
+ {
+ RCC->APB2RSTR &= ~RCC_APB2Periph;
+ }
+}
+
+/**
+ * @brief Forces or releases Low Speed APB (APB1) peripheral reset.
+ * @param RCC_APB1Periph: specifies the APB1 peripheral to reset.
+ * This parameter can be any combination of the following values:
+ * @arg RCC_APB1Periph_TIM2: TIM2 clock, applicable only for STM32F051 and STM32F072 devices
+ * @arg RCC_APB1Periph_TIM3: TIM3 clock
+ * @arg RCC_APB1Periph_TIM6: TIM6 clock
+ * @arg RCC_APB1Periph_TIM7: TIM7 clock, applicable only for STM32F072 devices
+ * @arg RCC_APB1Periph_TIM14: TIM14 clock
+ * @arg RCC_APB1Periph_WWDG: WWDG clock
+ * @arg RCC_APB1Periph_SPI2: SPI2 clock
+ * @arg RCC_APB1Periph_USART2: USART2 clock
+ * @arg RCC_APB1Periph_USART3: USART3 clock, applicable only for STM32F072 and STM32F091 devices
+ * @arg RCC_APB1Periph_USART4: USART4 clock, applicable only for STM32F072 and STM32F091 devices
+ * @arg RCC_APB1Periph_USART5: USART5 clock, applicable only for STM32F091 devices
+ * @arg RCC_APB1Periph_I2C1: I2C1 clock
+ * @arg RCC_APB1Periph_I2C2: I2C2 clock
+ * @arg RCC_APB1Periph_USB: USB clock, applicable only for STM32F042 and STM32F072 devices
+ * @arg RCC_APB1Periph_CAN: CAN clock, applicable only for STM32F042 and STM32F072 devices
+ * @arg RCC_APB1Periph_CRS: CRS clock , applicable only for STM32F042 and STM32F072 devices
+ * @arg RCC_APB1Periph_PWR: PWR clock
+ * @arg RCC_APB1Periph_DAC: DAC clock, applicable only for STM32F051 and STM32F072 devices
+ * @arg RCC_APB1Periph_CEC: CEC clock, applicable only for STM32F051, STM32F042 and STM32F072 devices
+ * @param NewState: new state of the specified peripheral clock.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RCC_APB1PeriphResetCmd(uint32_t RCC_APB1Periph, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_RCC_APB1_PERIPH(RCC_APB1Periph));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ RCC->APB1RSTR |= RCC_APB1Periph;
+ }
+ else
+ {
+ RCC->APB1RSTR &= ~RCC_APB1Periph;
+ }
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup RCC_Group4 Interrupts and flags management functions
+ * @brief Interrupts and flags management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Interrupts and flags management functions #####
+ ===============================================================================
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the specified RCC interrupts.
+ * @note The CSS interrupt doesn't have an enable bit; once the CSS is enabled
+ * and if the HSE clock fails, the CSS interrupt occurs and an NMI is
+ * automatically generated. The NMI will be executed indefinitely, and
+ * since NMI has higher priority than any other IRQ (and main program)
+ * the application will be stacked in the NMI ISR unless the CSS interrupt
+ * pending bit is cleared.
+ * @param RCC_IT: specifies the RCC interrupt sources to be enabled or disabled.
+ * This parameter can be any combination of the following values:
+ * @arg RCC_IT_LSIRDY: LSI ready interrupt
+ * @arg RCC_IT_LSERDY: LSE ready interrupt
+ * @arg RCC_IT_HSIRDY: HSI ready interrupt
+ * @arg RCC_IT_HSERDY: HSE ready interrupt
+ * @arg RCC_IT_PLLRDY: PLL ready interrupt
+ * @arg RCC_IT_HSI14RDY: HSI14 ready interrupt
+ * @arg RCC_IT_HSI48RDY: HSI48 ready interrupt, applicable only for STM32F072 devices
+ * @param NewState: new state of the specified RCC interrupts.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RCC_ITConfig(uint8_t RCC_IT, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_RCC_IT(RCC_IT));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Perform Byte access to RCC_CIR[13:8] bits to enable the selected interrupts */
+ *(__IO uint8_t *) CIR_BYTE1_ADDRESS |= RCC_IT;
+ }
+ else
+ {
+ /* Perform Byte access to RCC_CIR[13:8] bits to disable the selected interrupts */
+ *(__IO uint8_t *) CIR_BYTE1_ADDRESS &= (uint8_t)~RCC_IT;
+ }
+}
+
+/**
+ * @brief Checks whether the specified RCC flag is set or not.
+ * @param RCC_FLAG: specifies the flag to check.
+ * This parameter can be one of the following values:
+ * @arg RCC_FLAG_HSIRDY: HSI oscillator clock ready
+ * @arg RCC_FLAG_HSERDY: HSE oscillator clock ready
+ * @arg RCC_FLAG_PLLRDY: PLL clock ready
+ * @arg RCC_FLAG_LSERDY: LSE oscillator clock ready
+ * @arg RCC_FLAG_LSIRDY: LSI oscillator clock ready
+ * @arg RCC_FLAG_OBLRST: Option Byte Loader (OBL) reset
+ * @arg RCC_FLAG_PINRST: Pin reset
+ * @arg RCC_FLAG_V18PWRRSTF: V1.8 power domain reset
+ * @arg RCC_FLAG_PORRST: POR/PDR reset
+ * @arg RCC_FLAG_SFTRST: Software reset
+ * @arg RCC_FLAG_IWDGRST: Independent Watchdog reset
+ * @arg RCC_FLAG_WWDGRST: Window Watchdog reset
+ * @arg RCC_FLAG_LPWRRST: Low Power reset
+ * @arg RCC_FLAG_HSI14RDY: HSI14 oscillator clock ready
+ * @arg RCC_FLAG_HSI48RDY: HSI48 oscillator clock ready, applicable only for STM32F072 devices
+ * @retval The new state of RCC_FLAG (SET or RESET).
+ */
+FlagStatus RCC_GetFlagStatus(uint8_t RCC_FLAG)
+{
+ uint32_t tmp = 0;
+ uint32_t statusreg = 0;
+ FlagStatus bitstatus = RESET;
+
+ /* Check the parameters */
+ assert_param(IS_RCC_FLAG(RCC_FLAG));
+
+ /* Get the RCC register index */
+ tmp = RCC_FLAG >> 5;
+
+ if (tmp == 0) /* The flag to check is in CR register */
+ {
+ statusreg = RCC->CR;
+ }
+ else if (tmp == 1) /* The flag to check is in BDCR register */
+ {
+ statusreg = RCC->BDCR;
+ }
+ else if (tmp == 2) /* The flag to check is in CSR register */
+ {
+ statusreg = RCC->CSR;
+ }
+ else /* The flag to check is in CR2 register */
+ {
+ statusreg = RCC->CR2;
+ }
+
+ /* Get the flag position */
+ tmp = RCC_FLAG & FLAG_MASK;
+
+ if ((statusreg & ((uint32_t)1 << tmp)) != (uint32_t)RESET)
+ {
+ bitstatus = SET;
+ }
+ else
+ {
+ bitstatus = RESET;
+ }
+ /* Return the flag status */
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the RCC reset flags.
+ * The reset flags are: RCC_FLAG_OBLRST, RCC_FLAG_PINRST, RCC_FLAG_V18PWRRSTF,
+ * RCC_FLAG_PORRST, RCC_FLAG_SFTRST, RCC_FLAG_IWDGRST, RCC_FLAG_WWDGRST,
+ * RCC_FLAG_LPWRRST.
+ * @param None
+ * @retval None
+ */
+void RCC_ClearFlag(void)
+{
+ /* Set RMVF bit to clear the reset flags */
+ RCC->CSR |= RCC_CSR_RMVF;
+}
+
+/**
+ * @brief Checks whether the specified RCC interrupt has occurred or not.
+ * @param RCC_IT: specifies the RCC interrupt source to check.
+ * This parameter can be one of the following values:
+ * @arg RCC_IT_LSIRDY: LSI ready interrupt
+ * @arg RCC_IT_LSERDY: LSE ready interrupt
+ * @arg RCC_IT_HSIRDY: HSI ready interrupt
+ * @arg RCC_IT_HSERDY: HSE ready interrupt
+ * @arg RCC_IT_PLLRDY: PLL ready interrupt
+ * @arg RCC_IT_HSI14RDY: HSI14 ready interrupt
+ * @arg RCC_IT_HSI48RDY: HSI48 ready interrupt, applicable only for STM32F072 devices
+ * @arg RCC_IT_CSS: Clock Security System interrupt
+ * @retval The new state of RCC_IT (SET or RESET).
+ */
+ITStatus RCC_GetITStatus(uint8_t RCC_IT)
+{
+ ITStatus bitstatus = RESET;
+
+ /* Check the parameters */
+ assert_param(IS_RCC_GET_IT(RCC_IT));
+
+ /* Check the status of the specified RCC interrupt */
+ if ((RCC->CIR & RCC_IT) != (uint32_t)RESET)
+ {
+ bitstatus = SET;
+ }
+ else
+ {
+ bitstatus = RESET;
+ }
+ /* Return the RCC_IT status */
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the RCC's interrupt pending bits.
+ * @param RCC_IT: specifies the interrupt pending bit to clear.
+ * This parameter can be any combination of the following values:
+ * @arg RCC_IT_LSIRDY: LSI ready interrupt
+ * @arg RCC_IT_LSERDY: LSE ready interrupt
+ * @arg RCC_IT_HSIRDY: HSI ready interrupt
+ * @arg RCC_IT_HSERDY: HSE ready interrupt
+ * @arg RCC_IT_PLLRDY: PLL ready interrupt
+ * @arg RCC_IT_HSI48RDY: HSI48 ready interrupt, applicable only for STM32F072 devices
+ * @arg RCC_IT_HSI14RDY: HSI14 ready interrupt
+ * @arg RCC_IT_CSS: Clock Security System interrupt
+ * @retval None
+ */
+void RCC_ClearITPendingBit(uint8_t RCC_IT)
+{
+ /* Check the parameters */
+ assert_param(IS_RCC_CLEAR_IT(RCC_IT));
+
+ /* Perform Byte access to RCC_CIR[23:16] bits to clear the selected interrupt
+ pending bits */
+ *(__IO uint8_t *) CIR_BYTE2_ADDRESS = RCC_IT;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_rtc.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_rtc.c
new file mode 100644
index 00000000..4a8e565a
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_rtc.c
@@ -0,0 +1,2518 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_rtc.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the Real-Time Clock (RTC) peripheral:
+ * + Initialization
+ * + Calendar (Time and Date) configuration
+ * + Alarms (Alarm A) configuration
+ * + Daylight Saving configuration
+ * + Output pin Configuration
+ * + Digital Calibration configuration
+ * + TimeStamp configuration
+ * + Tampers configuration
+ * + Backup Data Registers configuration
+ * + Output Type Config configuration
+ * + Shift control synchronisation
+ * + Interrupts and flags management
+ *
+ @verbatim
+ ===============================================================================
+ ##### Backup Domain Operating Condition #####
+ ===============================================================================
+ [..] The real-time clock (RTC) and the RTC backup registers can be powered
+ from the VBAT voltage when the main VDD supply is powered off.
+ To retain the content of the RTC backup registers and supply the RTC
+ when VDD is turned off, VBAT pin can be connected to an optional
+ standby voltage supplied by a battery or by another source.
+
+ [..] To allow the RTC to operate even when the main digital supply (VDD)
+ is turned off, the VBAT pin powers the following blocks:
+ (#) The RTC
+ (#) The LSE oscillator
+ (#) PC13 to PC15 I/Os I/Os (when available)
+
+ [..] When the backup domain is supplied by VDD (analog switch connected
+ to VDD), the following functions are available:
+ (#) PC14 and PC15 can be used as either GPIO or LSE pins
+ (#) PC13 can be used as a GPIO or as the RTC_AF1 pin
+
+ [..] When the backup domain is supplied by VBAT (analog switch connected
+ to VBAT because VDD is not present), the following functions are available:
+ (#) PC14 and PC15 can be used as LSE pins only
+ (#) PC13 can be used as the RTC_AF1 pin
+
+ ##### Backup Domain Reset #####
+ ===============================================================================
+ [..] The backup domain reset sets all RTC registers and the RCC_BDCR
+ register to their reset values.
+ A backup domain reset is generated when one of the following events
+ occurs:
+ (#) Software reset, triggered by setting the BDRST bit in the
+ RCC Backup domain control register (RCC_BDCR). You can use the
+ RCC_BackupResetCmd().
+ (#) VDD or VBAT power on, if both supplies have previously been
+ powered off.
+
+ ##### Backup Domain Access #####
+ ===============================================================================
+ [..] After reset, the backup domain (RTC registers and RTC backup data
+ registers) is protected against possible unwanted write accesses.
+ [..] To enable access to the Backup Domain and RTC registers, proceed as follows:
+ (#) Enable the Power Controller (PWR) APB1 interface clock using the
+ RCC_APB1PeriphClockCmd() function.
+ (#) Enable access to Backup domain using the PWR_BackupAccessCmd() function.
+ (#) Select the RTC clock source using the RCC_RTCCLKConfig() function.
+ (#) Enable RTC Clock using the RCC_RTCCLKCmd() function.
+
+
+ ##### How to use this driver #####
+ ===============================================================================
+ [..]
+ (+) Enable the backup domain access (see description in the section above)
+ (+) Configure the RTC Prescaler (Asynchronous and Synchronous) and
+ RTC hour format using the RTC_Init() function.
+
+ ***Time and Date configuration ***
+ ==================================
+ [..]
+ (+) To configure the RTC Calendar (Time and Date) use the RTC_SetTime()
+ and RTC_SetDate() functions.
+ (+) To read the RTC Calendar, use the RTC_GetTime() and RTC_GetDate()
+ functions.
+ (+) To read the RTC subsecond, use the RTC_GetSubSecond() function.
+ (+) Use the RTC_DayLightSavingConfig() function to add or sub one
+ hour to the RTC Calendar.
+
+ ***Alarm configuration ***
+ ==========================
+ [..]
+ (+) To configure the RTC Alarm use the RTC_SetAlarm() function.
+ (+) Enable the selected RTC Alarm using the RTC_AlarmCmd() function
+ (+) To read the RTC Alarm, use the RTC_GetAlarm() function.
+ (+) To read the RTC alarm SubSecond, use the RTC_GetAlarmSubSecond() function.
+
+ ***RTC Wakeup configuration***
+ ==========================
+ [..]
+ (+) Configure the RTC Wakeup Clock source use the RTC_WakeUpClockConfig()
+ function.
+ (+) Configure the RTC WakeUp Counter using the RTC_SetWakeUpCounter()
+ function
+ (+) Enable the RTC WakeUp using the RTC_WakeUpCmd() function
+ (+) To read the RTC WakeUp Counter register, use the RTC_GetWakeUpCounter()
+ function.
+
+ ***Outputs configuration ***
+ ============================
+ [..] The RTC has 2 different outputs:
+ (+) AFO_ALARM: this output is used to manage the RTC Alarm A.
+ To output the selected RTC signal on RTC_AF1 pin, use the
+ RTC_OutputConfig() function.
+ (+) AFO_CALIB: this output is 512Hz signal or 1Hz .
+ To output the RTC Clock on RTC_AF1 pin, use the RTC_CalibOutputCmd()
+ function.
+
+ ***Original Digital Calibration configuration ***
+ =================================
+ [..] Configure the RTC Original Digital Calibration Value and the corresponding
+ calibration cycle period (32s,16s and 8s) using the RTC_SmoothCalibConfig()
+ function.
+
+ ***TimeStamp configuration ***
+ ==============================
+ [..]
+ (+) Configure the RTC_AF1 trigger and enables the RTC TimeStamp
+ using the RTC_TimeStampCmd() function.
+ (+) To read the RTC TimeStamp Time and Date register, use the
+ RTC_GetTimeStamp() function.
+ (+) To read the RTC TimeStamp SubSecond register, use the
+ RTC_GetTimeStampSubSecond() function.
+
+ ***Tamper configuration ***
+ ===========================
+ [..]
+ (+) Configure the Tamper filter count using RTC_TamperFilterConfig()
+ function.
+ (+) Configure the RTC Tamper trigger Edge or Level according to the Tamper
+ filter (if equal to 0 Edge else Level) value using the RTC_TamperConfig() function
+ (+) Configure the Tamper sampling frequency using RTC_TamperSamplingFreqConfig()
+ function.
+ (+) Configure the Tamper precharge or discharge duration using
+ RTC_TamperPinsPrechargeDuration() function.
+ (+) Enable the Tamper Pull-UP using RTC_TamperPullUpDisableCmd() function.
+ (+) Enable the RTC Tamper using the RTC_TamperCmd() function.
+ (+) Enable the Time stamp on Tamper detection event using
+ RTC_TSOnTamperDetecCmd() function.
+
+ ***Backup Data Registers configuration ***
+ ==========================================
+ [..]
+ (+) To write to the RTC Backup Data registers, use the RTC_WriteBackupRegister()
+ function.
+ (+) To read the RTC Backup Data registers, use the RTC_ReadBackupRegister()
+ function.
+
+ ##### RTC and low power modes #####
+ ===============================================================================
+ [..] The MCU can be woken up from a low power mode by an RTC alternate
+ function.
+ [..] The RTC alternate functions are the RTC alarm (Alarm A), RTC tamper
+ event detection and RTC time stamp event detection.
+ These RTC alternate functions can wake up the system from the Stop
+ and Standby lowpower modes.
+ The system can also wake up from low power modes without depending
+ on an external interrupt (Auto-wakeup mode), by using the RTC alarm events.
+ [..] The RTC provides a programmable time base for waking up from the
+ Stop or Standby mode at regular intervals.
+ Wakeup from STOP and Standby modes is possible only when the RTC
+ clock source is LSE or LSI.
+
+ ##### Selection of RTC_AF1 alternate functions #####
+ ===============================================================================
+ [..] The RTC_AF1 pin (PC13) can be used for the following purposes:
+ (+) AFO_ALARM output
+ (+) AFO_CALIB output
+ (+) AFI_TAMPER
+ (+) AFI_TIMESTAMP
+
+ +------------------------------------------------------------------------------------------+
+ | Pin |AFO_ALARM |AFO_CALIB |AFI_TAMPER |AFI_TIMESTAMP | WKUP2 |ALARMOUTTYPE |
+ | configuration | ENABLED | ENABLED | ENABLED | ENABLED |ENABLED | AFO_ALARM |
+ | and function | | | | | |Configuration |
+ |-----------------|----------|----------|-----------|--------------|--------|--------------|
+ | Alarm out | | | | | Don't | |
+ | output OD | 1 | 0 |Don't care | Don't care | care | 0 |
+ |-----------------|----------|----------|-----------|--------------|--------|--------------|
+ | Alarm out | | | | | Don't | |
+ | output PP | 1 | 0 |Don't care | Don't care | care | 1 |
+ |-----------------|----------|----------|-----------|--------------|--------|--------------|
+ | Calibration out | | | | | Don't | |
+ | output PP | 0 | 1 |Don't care | Don't care | care | Don't care |
+ |-----------------|----------|----------|-----------|--------------|--------|--------------|
+ | TAMPER input | | | | | Don't | |
+ | floating | 0 | 0 | 1 | 0 | care | Don't care |
+ |-----------------|----------|----------|-----------|--------------|--------|--------------|
+ | TIMESTAMP and | | | | | Don't | |
+ | TAMPER input | 0 | 0 | 1 | 1 | care | Don't care |
+ | floating | | | | | | |
+ |-----------------|----------|----------|-----------|--------------|--------|--------------|
+ | TIMESTAMP input | | | | | Don't | |
+ | floating | 0 | 0 | 0 | 1 | care | Don't care |
+ |-----------------|----------|----------|-----------|--------------|--------|--------------|
+ | Wakeup Pin 2 | 0 | 0 | 0 | 0 | 1 | Don't care |
+ |-----------------|----------|----------|-----------|--------------|--------|--------------|
+ | Standard GPIO | 0 | 0 | 0 | 0 | 0 | Don't care |
+ +------------------------------------------------------------------------------------------+
+
+ @endverbatim
+
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_rtc.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup RTC
+ * @brief RTC driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+
+/* Masks Definition */
+#define RTC_TR_RESERVED_MASK ((uint32_t)0x007F7F7F)
+#define RTC_DR_RESERVED_MASK ((uint32_t)0x00FFFF3F)
+#define RTC_INIT_MASK ((uint32_t)0xFFFFFFFF)
+#define RTC_RSF_MASK ((uint32_t)0xFFFFFF5F)
+#define RTC_FLAGS_MASK ((uint32_t)(RTC_FLAG_TSOVF | RTC_FLAG_TSF | RTC_FLAG_ALRAF | \
+ RTC_FLAG_RSF | RTC_FLAG_INITS |RTC_FLAG_INITF | \
+ RTC_FLAG_TAMP1F | RTC_FLAG_TAMP2F | RTC_FLAG_RECALPF | \
+ RTC_FLAG_SHPF))
+
+#define INITMODE_TIMEOUT ((uint32_t) 0x00004000)
+#define SYNCHRO_TIMEOUT ((uint32_t) 0x00008000)
+#define RECALPF_TIMEOUT ((uint32_t) 0x00001000)
+#define SHPF_TIMEOUT ((uint32_t) 0x00001000)
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+static uint8_t RTC_ByteToBcd2(uint8_t Value);
+static uint8_t RTC_Bcd2ToByte(uint8_t Value);
+
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup RTC_Private_Functions
+ * @{
+ */
+
+/** @defgroup RTC_Group1 Initialization and Configuration functions
+ * @brief Initialization and Configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Initialization and Configuration functions #####
+ ===============================================================================
+
+ [..] This section provide functions allowing to initialize and configure the RTC
+ Prescaler (Synchronous and Asynchronous), RTC Hour format, disable RTC registers
+ Write protection, enter and exit the RTC initialization mode, RTC registers
+ synchronization check and reference clock detection enable.
+
+ (#) The RTC Prescaler is programmed to generate the RTC 1Hz time base.
+ It is split into 2 programmable prescalers to minimize power consumption.
+ (++) A 7-bit asynchronous prescaler and A 13-bit synchronous prescaler.
+ (++) When both prescalers are used, it is recommended to configure the
+ asynchronous prescaler to a high value to minimize consumption.
+ (#) All RTC registers are Write protected. Writing to the RTC registers
+ is enabled by writing a key into the Write Protection register, RTC_WPR.
+ (#) To Configure the RTC Calendar, user application should enter
+ initialization mode. In this mode, the calendar counter is stopped
+ and its value can be updated. When the initialization sequence is
+ complete, the calendar restarts counting after 4 RTCCLK cycles.
+ (#) To read the calendar through the shadow registers after Calendar
+ initialization, calendar update or after wakeup from low power modes
+ the software must first clear the RSF flag. The software must then
+ wait until it is set again before reading the calendar, which means
+ that the calendar registers have been correctly copied into the
+ RTC_TR and RTC_DR shadow registers.The RTC_WaitForSynchro() function
+ implements the above software sequence (RSF clear and RSF check).
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Deinitializes the RTC registers to their default reset values.
+ * @note This function doesn't reset the RTC Clock source and RTC Backup Data
+ * registers.
+ * @param None
+ * @retval An ErrorStatus enumeration value:
+ * - SUCCESS: RTC registers are deinitialized
+ * - ERROR: RTC registers are not deinitialized
+ */
+ErrorStatus RTC_DeInit(void)
+{
+ ErrorStatus status = ERROR;
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ /* Set Initialization mode */
+ if (RTC_EnterInitMode() == ERROR)
+ {
+ status = ERROR;
+ }
+ else
+ {
+ /* Reset TR, DR and CR registers */
+ RTC->TR = (uint32_t)0x00000000;
+ RTC->WUTR = (uint32_t)0x0000FFFF;
+ RTC->DR = (uint32_t)0x00002101;
+ RTC->CR &= (uint32_t)0x00000000;
+ RTC->PRER = (uint32_t)0x007F00FF;
+ RTC->ALRMAR = (uint32_t)0x00000000;
+ RTC->SHIFTR = (uint32_t)0x00000000;
+ RTC->CALR = (uint32_t)0x00000000;
+ RTC->ALRMASSR = (uint32_t)0x00000000;
+
+ /* Reset ISR register and exit initialization mode */
+ RTC->ISR = (uint32_t)0x00000000;
+
+ /* Reset Tamper and alternate functions configuration register */
+ RTC->TAFCR = 0x00000000;
+
+ /* Wait till the RTC RSF flag is set */
+ if (RTC_WaitForSynchro() == ERROR)
+ {
+ status = ERROR;
+ }
+ else
+ {
+ status = SUCCESS;
+ }
+
+ }
+
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+
+ return status;
+}
+
+/**
+ * @brief Initializes the RTC registers according to the specified parameters
+ * in RTC_InitStruct.
+ * @param RTC_InitStruct: pointer to a RTC_InitTypeDef structure that contains
+ * the configuration information for the RTC peripheral.
+ * @note The RTC Prescaler register is write protected and can be written in
+ * initialization mode only.
+ * @retval An ErrorStatus enumeration value:
+ * - SUCCESS: RTC registers are initialized
+ * - ERROR: RTC registers are not initialized
+ */
+ErrorStatus RTC_Init(RTC_InitTypeDef* RTC_InitStruct)
+{
+ ErrorStatus status = ERROR;
+
+ /* Check the parameters */
+ assert_param(IS_RTC_HOUR_FORMAT(RTC_InitStruct->RTC_HourFormat));
+ assert_param(IS_RTC_ASYNCH_PREDIV(RTC_InitStruct->RTC_AsynchPrediv));
+ assert_param(IS_RTC_SYNCH_PREDIV(RTC_InitStruct->RTC_SynchPrediv));
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ /* Set Initialization mode */
+ if (RTC_EnterInitMode() == ERROR)
+ {
+ status = ERROR;
+ }
+ else
+ {
+ /* Clear RTC CR FMT Bit */
+ RTC->CR &= ((uint32_t)~(RTC_CR_FMT));
+ /* Set RTC_CR register */
+ RTC->CR |= ((uint32_t)(RTC_InitStruct->RTC_HourFormat));
+
+ /* Configure the RTC PRER */
+ RTC->PRER = (uint32_t)(RTC_InitStruct->RTC_SynchPrediv);
+ RTC->PRER |= (uint32_t)(RTC_InitStruct->RTC_AsynchPrediv << 16);
+
+ /* Exit Initialization mode */
+ RTC_ExitInitMode();
+
+ status = SUCCESS;
+ }
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+
+ return status;
+}
+
+/**
+ * @brief Fills each RTC_InitStruct member with its default value.
+ * @param RTC_InitStruct: pointer to a RTC_InitTypeDef structure which will be
+ * initialized.
+ * @retval None
+ */
+void RTC_StructInit(RTC_InitTypeDef* RTC_InitStruct)
+{
+ /* Initialize the RTC_HourFormat member */
+ RTC_InitStruct->RTC_HourFormat = RTC_HourFormat_24;
+
+ /* Initialize the RTC_AsynchPrediv member */
+ RTC_InitStruct->RTC_AsynchPrediv = (uint32_t)0x7F;
+
+ /* Initialize the RTC_SynchPrediv member */
+ RTC_InitStruct->RTC_SynchPrediv = (uint32_t)0xFF;
+}
+
+/**
+ * @brief Enables or disables the RTC registers write protection.
+ * @note All the RTC registers are write protected except for RTC_ISR[13:8],
+ * RTC_TAFCR and RTC_BKPxR.
+ * @note Writing a wrong key reactivates the write protection.
+ * @note The protection mechanism is not affected by system reset.
+ * @param NewState: new state of the write protection.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RTC_WriteProtectionCmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+ }
+ else
+ {
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+ }
+}
+
+/**
+ * @brief Enters the RTC Initialization mode.
+ * @note The RTC Initialization mode is write protected, use the
+ * RTC_WriteProtectionCmd(DISABLE) before calling this function.
+ * @param None
+ * @retval An ErrorStatus enumeration value:
+ * - SUCCESS: RTC is in Init mode
+ * - ERROR: RTC is not in Init mode
+ */
+ErrorStatus RTC_EnterInitMode(void)
+{
+ __IO uint32_t initcounter = 0x00;
+ ErrorStatus status = ERROR;
+ uint32_t initstatus = 0x00;
+
+ /* Check if the Initialization mode is set */
+ if ((RTC->ISR & RTC_ISR_INITF) == (uint32_t)RESET)
+ {
+ /* Set the Initialization mode */
+ RTC->ISR = (uint32_t)RTC_INIT_MASK;
+
+ /* Wait till RTC is in INIT state and if Time out is reached exit */
+ do
+ {
+ initstatus = RTC->ISR & RTC_ISR_INITF;
+ initcounter++;
+ } while((initcounter != INITMODE_TIMEOUT) && (initstatus == 0x00));
+
+ if ((RTC->ISR & RTC_ISR_INITF) != RESET)
+ {
+ status = SUCCESS;
+ }
+ else
+ {
+ status = ERROR;
+ }
+ }
+ else
+ {
+ status = SUCCESS;
+ }
+
+ return (status);
+}
+
+/**
+ * @brief Exits the RTC Initialization mode.
+ * @note When the initialization sequence is complete, the calendar restarts
+ * counting after 4 RTCCLK cycles.
+ * @note The RTC Initialization mode is write protected, use the
+ * RTC_WriteProtectionCmd(DISABLE) before calling this function.
+ * @param None
+ * @retval None
+ */
+void RTC_ExitInitMode(void)
+{
+ /* Exit Initialization mode */
+ RTC->ISR &= (uint32_t)~RTC_ISR_INIT;
+}
+
+/**
+ * @brief Waits until the RTC Time and Date registers (RTC_TR and RTC_DR) are
+ * synchronized with RTC APB clock.
+ * @note The RTC Resynchronization mode is write protected, use the
+ * RTC_WriteProtectionCmd(DISABLE) before calling this function.
+ * @note To read the calendar through the shadow registers after Calendar
+ * initialization, calendar update or after wakeup from low power modes
+ * the software must first clear the RSF flag.
+ * The software must then wait until it is set again before reading
+ * the calendar, which means that the calendar registers have been
+ * correctly copied into the RTC_TR and RTC_DR shadow registers.
+ * @param None
+ * @retval An ErrorStatus enumeration value:
+ * - SUCCESS: RTC registers are synchronised
+ * - ERROR: RTC registers are not synchronised
+ */
+ErrorStatus RTC_WaitForSynchro(void)
+{
+ __IO uint32_t synchrocounter = 0;
+ ErrorStatus status = ERROR;
+ uint32_t synchrostatus = 0x00;
+
+ if ((RTC->CR & RTC_CR_BYPSHAD) != RESET)
+ {
+ /* Bypass shadow mode */
+ status = SUCCESS;
+ }
+ else
+ {
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ /* Clear RSF flag */
+ RTC->ISR &= (uint32_t)RTC_RSF_MASK;
+
+ /* Wait the registers to be synchronised */
+ do
+ {
+ synchrostatus = RTC->ISR & RTC_ISR_RSF;
+ synchrocounter++;
+ } while((synchrocounter != SYNCHRO_TIMEOUT) && (synchrostatus == 0x00));
+
+ if ((RTC->ISR & RTC_ISR_RSF) != RESET)
+ {
+ status = SUCCESS;
+ }
+ else
+ {
+ status = ERROR;
+ }
+
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+ }
+
+ return (status);
+}
+
+/**
+ * @brief Enables or disables the RTC reference clock detection.
+ * @param NewState: new state of the RTC reference clock.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval An ErrorStatus enumeration value:
+ * - SUCCESS: RTC reference clock detection is enabled
+ * - ERROR: RTC reference clock detection is disabled
+ */
+ErrorStatus RTC_RefClockCmd(FunctionalState NewState)
+{
+ ErrorStatus status = ERROR;
+
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ /* Set Initialization mode */
+ if (RTC_EnterInitMode() == ERROR)
+ {
+ status = ERROR;
+ }
+ else
+ {
+ if (NewState != DISABLE)
+ {
+ /* Enable the RTC reference clock detection */
+ RTC->CR |= RTC_CR_REFCKON;
+ }
+ else
+ {
+ /* Disable the RTC reference clock detection */
+ RTC->CR &= ~RTC_CR_REFCKON;
+ }
+ /* Exit Initialization mode */
+ RTC_ExitInitMode();
+
+ status = SUCCESS;
+ }
+
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+
+ return status;
+}
+
+/**
+ * @brief Enables or Disables the Bypass Shadow feature.
+ * @note When the Bypass Shadow is enabled the calendar value are taken
+ * directly from the Calendar counter.
+ * @param NewState: new state of the Bypass Shadow feature.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+*/
+void RTC_BypassShadowCmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ if (NewState != DISABLE)
+ {
+ /* Set the BYPSHAD bit */
+ RTC->CR |= (uint8_t)RTC_CR_BYPSHAD;
+ }
+ else
+ {
+ /* Reset the BYPSHAD bit */
+ RTC->CR &= (uint8_t)~RTC_CR_BYPSHAD;
+ }
+
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Group2 Time and Date configuration functions
+ * @brief Time and Date configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Time and Date configuration functions #####
+ ===============================================================================
+ [..] This section provide functions allowing to program and read the RTC
+ Calendar (Time and Date).
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Set the RTC current time.
+ * @param RTC_Format: specifies the format of the entered parameters.
+ * This parameter can be one of the following values:
+ * @arg RTC_Format_BIN: Binary data format
+ * @arg RTC_Format_BCD: BCD data format
+ * @param RTC_TimeStruct: pointer to a RTC_TimeTypeDef structure that contains
+ * the time configuration information for the RTC.
+ * @retval An ErrorStatus enumeration value:
+ * - SUCCESS: RTC Time register is configured
+ * - ERROR: RTC Time register is not configured
+ */
+ErrorStatus RTC_SetTime(uint32_t RTC_Format, RTC_TimeTypeDef* RTC_TimeStruct)
+{
+ uint32_t tmpreg = 0;
+ ErrorStatus status = ERROR;
+
+ /* Check the parameters */
+ assert_param(IS_RTC_FORMAT(RTC_Format));
+
+ if (RTC_Format == RTC_Format_BIN)
+ {
+ if ((RTC->CR & RTC_CR_FMT) != (uint32_t)RESET)
+ {
+ assert_param(IS_RTC_HOUR12(RTC_TimeStruct->RTC_Hours));
+ assert_param(IS_RTC_H12(RTC_TimeStruct->RTC_H12));
+ }
+ else
+ {
+ RTC_TimeStruct->RTC_H12 = 0x00;
+ assert_param(IS_RTC_HOUR24(RTC_TimeStruct->RTC_Hours));
+ }
+ assert_param(IS_RTC_MINUTES(RTC_TimeStruct->RTC_Minutes));
+ assert_param(IS_RTC_SECONDS(RTC_TimeStruct->RTC_Seconds));
+ }
+ else
+ {
+ if ((RTC->CR & RTC_CR_FMT) != (uint32_t)RESET)
+ {
+ tmpreg = RTC_Bcd2ToByte(RTC_TimeStruct->RTC_Hours);
+ assert_param(IS_RTC_HOUR12(tmpreg));
+ assert_param(IS_RTC_H12(RTC_TimeStruct->RTC_H12));
+ }
+ else
+ {
+ RTC_TimeStruct->RTC_H12 = 0x00;
+ assert_param(IS_RTC_HOUR24(RTC_Bcd2ToByte(RTC_TimeStruct->RTC_Hours)));
+ }
+ assert_param(IS_RTC_MINUTES(RTC_Bcd2ToByte(RTC_TimeStruct->RTC_Minutes)));
+ assert_param(IS_RTC_SECONDS(RTC_Bcd2ToByte(RTC_TimeStruct->RTC_Seconds)));
+ }
+
+ /* Check the input parameters format */
+ if (RTC_Format != RTC_Format_BIN)
+ {
+ tmpreg = (((uint32_t)(RTC_TimeStruct->RTC_Hours) << 16) | \
+ ((uint32_t)(RTC_TimeStruct->RTC_Minutes) << 8) | \
+ ((uint32_t)RTC_TimeStruct->RTC_Seconds) | \
+ ((uint32_t)(RTC_TimeStruct->RTC_H12) << 16));
+ }
+ else
+ {
+ tmpreg = (uint32_t)(((uint32_t)RTC_ByteToBcd2(RTC_TimeStruct->RTC_Hours) << 16) | \
+ ((uint32_t)RTC_ByteToBcd2(RTC_TimeStruct->RTC_Minutes) << 8) | \
+ ((uint32_t)RTC_ByteToBcd2(RTC_TimeStruct->RTC_Seconds)) | \
+ (((uint32_t)RTC_TimeStruct->RTC_H12) << 16));
+ }
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ /* Set Initialization mode */
+ if (RTC_EnterInitMode() == ERROR)
+ {
+ status = ERROR;
+ }
+ else
+ {
+ /* Set the RTC_TR register */
+ RTC->TR = (uint32_t)(tmpreg & RTC_TR_RESERVED_MASK);
+
+ /* Exit Initialization mode */
+ RTC_ExitInitMode();
+
+ /* If RTC_CR_BYPSHAD bit = 0, wait for synchro else this check is not needed */
+ if ((RTC->CR & RTC_CR_BYPSHAD) == RESET)
+ {
+ if (RTC_WaitForSynchro() == ERROR)
+ {
+ status = ERROR;
+ }
+ else
+ {
+ status = SUCCESS;
+ }
+ }
+ else
+ {
+ status = SUCCESS;
+ }
+
+ }
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+
+ return status;
+}
+
+/**
+ * @brief Fills each RTC_TimeStruct member with its default value
+ * (Time = 00h:00min:00sec).
+ * @param RTC_TimeStruct: pointer to a RTC_TimeTypeDef structure which will be
+ * initialized.
+ * @retval None
+ */
+void RTC_TimeStructInit(RTC_TimeTypeDef* RTC_TimeStruct)
+{
+ /* Time = 00h:00min:00sec */
+ RTC_TimeStruct->RTC_H12 = RTC_H12_AM;
+ RTC_TimeStruct->RTC_Hours = 0;
+ RTC_TimeStruct->RTC_Minutes = 0;
+ RTC_TimeStruct->RTC_Seconds = 0;
+}
+
+/**
+ * @brief Get the RTC current Time.
+ * @param RTC_Format: specifies the format of the returned parameters.
+ * This parameter can be one of the following values:
+ * @arg RTC_Format_BIN: Binary data format
+ * @arg RTC_Format_BCD: BCD data format
+ * @param RTC_TimeStruct: pointer to a RTC_TimeTypeDef structure that will
+ * contain the returned current time configuration.
+ * @retval None
+ */
+void RTC_GetTime(uint32_t RTC_Format, RTC_TimeTypeDef* RTC_TimeStruct)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RTC_FORMAT(RTC_Format));
+
+ /* Get the RTC_TR register */
+ tmpreg = (uint32_t)(RTC->TR & RTC_TR_RESERVED_MASK);
+
+ /* Fill the structure fields with the read parameters */
+ RTC_TimeStruct->RTC_Hours = (uint8_t)((tmpreg & (RTC_TR_HT | RTC_TR_HU)) >> 16);
+ RTC_TimeStruct->RTC_Minutes = (uint8_t)((tmpreg & (RTC_TR_MNT | RTC_TR_MNU)) >>8);
+ RTC_TimeStruct->RTC_Seconds = (uint8_t)(tmpreg & (RTC_TR_ST | RTC_TR_SU));
+ RTC_TimeStruct->RTC_H12 = (uint8_t)((tmpreg & (RTC_TR_PM)) >> 16);
+
+ /* Check the input parameters format */
+ if (RTC_Format == RTC_Format_BIN)
+ {
+ /* Convert the structure parameters to Binary format */
+ RTC_TimeStruct->RTC_Hours = (uint8_t)RTC_Bcd2ToByte(RTC_TimeStruct->RTC_Hours);
+ RTC_TimeStruct->RTC_Minutes = (uint8_t)RTC_Bcd2ToByte(RTC_TimeStruct->RTC_Minutes);
+ RTC_TimeStruct->RTC_Seconds = (uint8_t)RTC_Bcd2ToByte(RTC_TimeStruct->RTC_Seconds);
+ }
+}
+
+/**
+ * @brief Gets the RTC current Calendar Subseconds value.
+ * @note This function freeze the Time and Date registers after reading the
+ * SSR register.
+ * @param None
+ * @retval RTC current Calendar Subseconds value.
+ */
+uint32_t RTC_GetSubSecond(void)
+{
+ uint32_t tmpreg = 0;
+
+ /* Get subseconds values from the correspondent registers*/
+ tmpreg = (uint32_t)(RTC->SSR);
+
+ /* Read DR register to unfroze calendar registers */
+ (void) (RTC->DR);
+
+ return (tmpreg);
+}
+
+/**
+ * @brief Set the RTC current date.
+ * @param RTC_Format: specifies the format of the entered parameters.
+ * This parameter can be one of the following values:
+ * @arg RTC_Format_BIN: Binary data format
+ * @arg RTC_Format_BCD: BCD data format
+ * @param RTC_DateStruct: pointer to a RTC_DateTypeDef structure that contains
+ * the date configuration information for the RTC.
+ * @retval An ErrorStatus enumeration value:
+ * - SUCCESS: RTC Date register is configured
+ * - ERROR: RTC Date register is not configured
+ */
+ErrorStatus RTC_SetDate(uint32_t RTC_Format, RTC_DateTypeDef* RTC_DateStruct)
+{
+ uint32_t tmpreg = 0;
+ ErrorStatus status = ERROR;
+
+ /* Check the parameters */
+ assert_param(IS_RTC_FORMAT(RTC_Format));
+
+ if ((RTC_Format == RTC_Format_BIN) && ((RTC_DateStruct->RTC_Month & 0x10) == 0x10))
+ {
+ RTC_DateStruct->RTC_Month = (RTC_DateStruct->RTC_Month & (uint32_t)~(0x10)) + 0x0A;
+ }
+ if (RTC_Format == RTC_Format_BIN)
+ {
+ assert_param(IS_RTC_YEAR(RTC_DateStruct->RTC_Year));
+ assert_param(IS_RTC_MONTH(RTC_DateStruct->RTC_Month));
+ assert_param(IS_RTC_DATE(RTC_DateStruct->RTC_Date));
+ }
+ else
+ {
+ assert_param(IS_RTC_YEAR(RTC_Bcd2ToByte(RTC_DateStruct->RTC_Year)));
+ tmpreg = RTC_Bcd2ToByte(RTC_DateStruct->RTC_Month);
+ assert_param(IS_RTC_MONTH(tmpreg));
+ tmpreg = RTC_Bcd2ToByte(RTC_DateStruct->RTC_Date);
+ assert_param(IS_RTC_DATE(tmpreg));
+ }
+ assert_param(IS_RTC_WEEKDAY(RTC_DateStruct->RTC_WeekDay));
+
+ /* Check the input parameters format */
+ if (RTC_Format != RTC_Format_BIN)
+ {
+ tmpreg = ((((uint32_t)RTC_DateStruct->RTC_Year) << 16) | \
+ (((uint32_t)RTC_DateStruct->RTC_Month) << 8) | \
+ ((uint32_t)RTC_DateStruct->RTC_Date) | \
+ (((uint32_t)RTC_DateStruct->RTC_WeekDay) << 13));
+ }
+ else
+ {
+ tmpreg = (((uint32_t)RTC_ByteToBcd2(RTC_DateStruct->RTC_Year) << 16) | \
+ ((uint32_t)RTC_ByteToBcd2(RTC_DateStruct->RTC_Month) << 8) | \
+ ((uint32_t)RTC_ByteToBcd2(RTC_DateStruct->RTC_Date)) | \
+ ((uint32_t)RTC_DateStruct->RTC_WeekDay << 13));
+ }
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ /* Set Initialization mode */
+ if (RTC_EnterInitMode() == ERROR)
+ {
+ status = ERROR;
+ }
+ else
+ {
+ /* Set the RTC_DR register */
+ RTC->DR = (uint32_t)(tmpreg & RTC_DR_RESERVED_MASK);
+
+ /* Exit Initialization mode */
+ RTC_ExitInitMode();
+
+ /* If RTC_CR_BYPSHAD bit = 0, wait for synchro else this check is not needed */
+ if ((RTC->CR & RTC_CR_BYPSHAD) == RESET)
+ {
+ if (RTC_WaitForSynchro() == ERROR)
+ {
+ status = ERROR;
+ }
+ else
+ {
+ status = SUCCESS;
+ }
+ }
+ else
+ {
+ status = SUCCESS;
+ }
+ }
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+
+ return status;
+}
+
+/**
+ * @brief Fills each RTC_DateStruct member with its default value
+ * (Monday, January 01 xx00).
+ * @param RTC_DateStruct: pointer to a RTC_DateTypeDef structure which will be
+ * initialized.
+ * @retval None
+ */
+void RTC_DateStructInit(RTC_DateTypeDef* RTC_DateStruct)
+{
+ /* Monday, January 01 xx00 */
+ RTC_DateStruct->RTC_WeekDay = RTC_Weekday_Monday;
+ RTC_DateStruct->RTC_Date = 1;
+ RTC_DateStruct->RTC_Month = RTC_Month_January;
+ RTC_DateStruct->RTC_Year = 0;
+}
+
+/**
+ * @brief Get the RTC current date.
+ * @param RTC_Format: specifies the format of the returned parameters.
+ * This parameter can be one of the following values:
+ * @arg RTC_Format_BIN: Binary data format
+ * @arg RTC_Format_BCD: BCD data format
+ * @param RTC_DateStruct: pointer to a RTC_DateTypeDef structure that will
+ * contain the returned current date configuration.
+ * @retval None
+ */
+void RTC_GetDate(uint32_t RTC_Format, RTC_DateTypeDef* RTC_DateStruct)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RTC_FORMAT(RTC_Format));
+
+ /* Get the RTC_TR register */
+ tmpreg = (uint32_t)(RTC->DR & RTC_DR_RESERVED_MASK);
+
+ /* Fill the structure fields with the read parameters */
+ RTC_DateStruct->RTC_Year = (uint8_t)((tmpreg & (RTC_DR_YT | RTC_DR_YU)) >> 16);
+ RTC_DateStruct->RTC_Month = (uint8_t)((tmpreg & (RTC_DR_MT | RTC_DR_MU)) >> 8);
+ RTC_DateStruct->RTC_Date = (uint8_t)(tmpreg & (RTC_DR_DT | RTC_DR_DU));
+ RTC_DateStruct->RTC_WeekDay = (uint8_t)((tmpreg & (RTC_DR_WDU)) >> 13);
+
+ /* Check the input parameters format */
+ if (RTC_Format == RTC_Format_BIN)
+ {
+ /* Convert the structure parameters to Binary format */
+ RTC_DateStruct->RTC_Year = (uint8_t)RTC_Bcd2ToByte(RTC_DateStruct->RTC_Year);
+ RTC_DateStruct->RTC_Month = (uint8_t)RTC_Bcd2ToByte(RTC_DateStruct->RTC_Month);
+ RTC_DateStruct->RTC_Date = (uint8_t)RTC_Bcd2ToByte(RTC_DateStruct->RTC_Date);
+ RTC_DateStruct->RTC_WeekDay = (uint8_t)(RTC_DateStruct->RTC_WeekDay);
+ }
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Group3 Alarms configuration functions
+ * @brief Alarms (Alarm A) configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Alarms (Alarm A and Alarm B) configuration functions #####
+ ===============================================================================
+ [..] This section provide functions allowing to program and read the RTC
+ Alarms.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Set the specified RTC Alarm.
+ * @note The Alarm register can only be written when the corresponding Alarm
+ * is disabled (Use the RTC_AlarmCmd(DISABLE)).
+ * @param RTC_Format: specifies the format of the returned parameters.
+ * This parameter can be one of the following values:
+ * @arg RTC_Format_BIN: Binary data format
+ * @arg RTC_Format_BCD: BCD data format
+ * @param RTC_Alarm: specifies the alarm to be configured.
+ * This parameter can be one of the following values:
+ * @arg RTC_Alarm_A: to select Alarm A
+ * @param RTC_AlarmStruct: pointer to a RTC_AlarmTypeDef structure that
+ * contains the alarm configuration parameters.
+ * @retval None
+ */
+void RTC_SetAlarm(uint32_t RTC_Format, uint32_t RTC_Alarm, RTC_AlarmTypeDef* RTC_AlarmStruct)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RTC_FORMAT(RTC_Format));
+ assert_param(IS_RTC_ALARM(RTC_Alarm));
+ assert_param(IS_RTC_ALARM_MASK(RTC_AlarmStruct->RTC_AlarmMask));
+ assert_param(IS_RTC_ALARM_DATE_WEEKDAY_SEL(RTC_AlarmStruct->RTC_AlarmDateWeekDaySel));
+
+ if (RTC_Format == RTC_Format_BIN)
+ {
+ if ((RTC->CR & RTC_CR_FMT) != (uint32_t)RESET)
+ {
+ assert_param(IS_RTC_HOUR12(RTC_AlarmStruct->RTC_AlarmTime.RTC_Hours));
+ assert_param(IS_RTC_H12(RTC_AlarmStruct->RTC_AlarmTime.RTC_H12));
+ }
+ else
+ {
+ RTC_AlarmStruct->RTC_AlarmTime.RTC_H12 = 0x00;
+ assert_param(IS_RTC_HOUR24(RTC_AlarmStruct->RTC_AlarmTime.RTC_Hours));
+ }
+ assert_param(IS_RTC_MINUTES(RTC_AlarmStruct->RTC_AlarmTime.RTC_Minutes));
+ assert_param(IS_RTC_SECONDS(RTC_AlarmStruct->RTC_AlarmTime.RTC_Seconds));
+
+ if(RTC_AlarmStruct->RTC_AlarmDateWeekDaySel == RTC_AlarmDateWeekDaySel_Date)
+ {
+ assert_param(IS_RTC_ALARM_DATE_WEEKDAY_DATE(RTC_AlarmStruct->RTC_AlarmDateWeekDay));
+ }
+ else
+ {
+ assert_param(IS_RTC_ALARM_DATE_WEEKDAY_WEEKDAY(RTC_AlarmStruct->RTC_AlarmDateWeekDay));
+ }
+ }
+ else
+ {
+ if ((RTC->CR & RTC_CR_FMT) != (uint32_t)RESET)
+ {
+ tmpreg = RTC_Bcd2ToByte(RTC_AlarmStruct->RTC_AlarmTime.RTC_Hours);
+ assert_param(IS_RTC_HOUR12(tmpreg));
+ assert_param(IS_RTC_H12(RTC_AlarmStruct->RTC_AlarmTime.RTC_H12));
+ }
+ else
+ {
+ RTC_AlarmStruct->RTC_AlarmTime.RTC_H12 = 0x00;
+ assert_param(IS_RTC_HOUR24(RTC_Bcd2ToByte(RTC_AlarmStruct->RTC_AlarmTime.RTC_Hours)));
+ }
+
+ assert_param(IS_RTC_MINUTES(RTC_Bcd2ToByte(RTC_AlarmStruct->RTC_AlarmTime.RTC_Minutes)));
+ assert_param(IS_RTC_SECONDS(RTC_Bcd2ToByte(RTC_AlarmStruct->RTC_AlarmTime.RTC_Seconds)));
+
+ if(RTC_AlarmStruct->RTC_AlarmDateWeekDaySel == RTC_AlarmDateWeekDaySel_Date)
+ {
+ tmpreg = RTC_Bcd2ToByte(RTC_AlarmStruct->RTC_AlarmDateWeekDay);
+ assert_param(IS_RTC_ALARM_DATE_WEEKDAY_DATE(tmpreg));
+ }
+ else
+ {
+ tmpreg = RTC_Bcd2ToByte(RTC_AlarmStruct->RTC_AlarmDateWeekDay);
+ assert_param(IS_RTC_ALARM_DATE_WEEKDAY_WEEKDAY(tmpreg));
+ }
+ }
+
+ /* Check the input parameters format */
+ if (RTC_Format != RTC_Format_BIN)
+ {
+ tmpreg = (((uint32_t)(RTC_AlarmStruct->RTC_AlarmTime.RTC_Hours) << 16) | \
+ ((uint32_t)(RTC_AlarmStruct->RTC_AlarmTime.RTC_Minutes) << 8) | \
+ ((uint32_t)RTC_AlarmStruct->RTC_AlarmTime.RTC_Seconds) | \
+ ((uint32_t)(RTC_AlarmStruct->RTC_AlarmTime.RTC_H12) << 16) | \
+ ((uint32_t)(RTC_AlarmStruct->RTC_AlarmDateWeekDay) << 24) | \
+ ((uint32_t)RTC_AlarmStruct->RTC_AlarmDateWeekDaySel) | \
+ ((uint32_t)RTC_AlarmStruct->RTC_AlarmMask));
+ }
+ else
+ {
+ tmpreg = (((uint32_t)RTC_ByteToBcd2(RTC_AlarmStruct->RTC_AlarmTime.RTC_Hours) << 16) | \
+ ((uint32_t)RTC_ByteToBcd2(RTC_AlarmStruct->RTC_AlarmTime.RTC_Minutes) << 8) | \
+ ((uint32_t)RTC_ByteToBcd2(RTC_AlarmStruct->RTC_AlarmTime.RTC_Seconds)) | \
+ ((uint32_t)(RTC_AlarmStruct->RTC_AlarmTime.RTC_H12) << 16) | \
+ ((uint32_t)RTC_ByteToBcd2(RTC_AlarmStruct->RTC_AlarmDateWeekDay) << 24) | \
+ ((uint32_t)RTC_AlarmStruct->RTC_AlarmDateWeekDaySel) | \
+ ((uint32_t)RTC_AlarmStruct->RTC_AlarmMask));
+ }
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ /* Configure the Alarm register */
+ RTC->ALRMAR = (uint32_t)tmpreg;
+
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+}
+
+/**
+ * @brief Fills each RTC_AlarmStruct member with its default value
+ * (Time = 00h:00mn:00sec / Date = 1st day of the month/Mask =
+ * all fields are masked).
+ * @param RTC_AlarmStruct: pointer to a @ref RTC_AlarmTypeDef structure which
+ * will be initialized.
+ * @retval None
+ */
+void RTC_AlarmStructInit(RTC_AlarmTypeDef* RTC_AlarmStruct)
+{
+ /* Alarm Time Settings : Time = 00h:00mn:00sec */
+ RTC_AlarmStruct->RTC_AlarmTime.RTC_H12 = RTC_H12_AM;
+ RTC_AlarmStruct->RTC_AlarmTime.RTC_Hours = 0;
+ RTC_AlarmStruct->RTC_AlarmTime.RTC_Minutes = 0;
+ RTC_AlarmStruct->RTC_AlarmTime.RTC_Seconds = 0;
+
+ /* Alarm Date Settings : Date = 1st day of the month */
+ RTC_AlarmStruct->RTC_AlarmDateWeekDaySel = RTC_AlarmDateWeekDaySel_Date;
+ RTC_AlarmStruct->RTC_AlarmDateWeekDay = 1;
+
+ /* Alarm Masks Settings : Mask = all fields are not masked */
+ RTC_AlarmStruct->RTC_AlarmMask = RTC_AlarmMask_None;
+}
+
+/**
+ * @brief Get the RTC Alarm value and masks.
+ * @param RTC_Format: specifies the format of the output parameters.
+ * This parameter can be one of the following values:
+ * @arg RTC_Format_BIN: Binary data format
+ * @arg RTC_Format_BCD: BCD data format
+ * @param RTC_Alarm: specifies the alarm to be read.
+ * This parameter can be one of the following values:
+ * @arg RTC_Alarm_A: to select Alarm A
+ * @param RTC_AlarmStruct: pointer to a RTC_AlarmTypeDef structure that will
+ * contains the output alarm configuration values.
+ * @retval None
+ */
+void RTC_GetAlarm(uint32_t RTC_Format, uint32_t RTC_Alarm, RTC_AlarmTypeDef* RTC_AlarmStruct)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RTC_FORMAT(RTC_Format));
+ assert_param(IS_RTC_ALARM(RTC_Alarm));
+
+ /* Get the RTC_ALRMAR register */
+ tmpreg = (uint32_t)(RTC->ALRMAR);
+
+ /* Fill the structure with the read parameters */
+ RTC_AlarmStruct->RTC_AlarmTime.RTC_Hours = (uint32_t)((tmpreg & (RTC_ALRMAR_HT | \
+ RTC_ALRMAR_HU)) >> 16);
+ RTC_AlarmStruct->RTC_AlarmTime.RTC_Minutes = (uint32_t)((tmpreg & (RTC_ALRMAR_MNT | \
+ RTC_ALRMAR_MNU)) >> 8);
+ RTC_AlarmStruct->RTC_AlarmTime.RTC_Seconds = (uint32_t)(tmpreg & (RTC_ALRMAR_ST | \
+ RTC_ALRMAR_SU));
+ RTC_AlarmStruct->RTC_AlarmTime.RTC_H12 = (uint32_t)((tmpreg & RTC_ALRMAR_PM) >> 16);
+ RTC_AlarmStruct->RTC_AlarmDateWeekDay = (uint32_t)((tmpreg & (RTC_ALRMAR_DT | RTC_ALRMAR_DU)) >> 24);
+ RTC_AlarmStruct->RTC_AlarmDateWeekDaySel = (uint32_t)(tmpreg & RTC_ALRMAR_WDSEL);
+ RTC_AlarmStruct->RTC_AlarmMask = (uint32_t)(tmpreg & RTC_AlarmMask_All);
+
+ if (RTC_Format == RTC_Format_BIN)
+ {
+ RTC_AlarmStruct->RTC_AlarmTime.RTC_Hours = RTC_Bcd2ToByte(RTC_AlarmStruct-> \
+ RTC_AlarmTime.RTC_Hours);
+ RTC_AlarmStruct->RTC_AlarmTime.RTC_Minutes = RTC_Bcd2ToByte(RTC_AlarmStruct-> \
+ RTC_AlarmTime.RTC_Minutes);
+ RTC_AlarmStruct->RTC_AlarmTime.RTC_Seconds = RTC_Bcd2ToByte(RTC_AlarmStruct-> \
+ RTC_AlarmTime.RTC_Seconds);
+ RTC_AlarmStruct->RTC_AlarmDateWeekDay = RTC_Bcd2ToByte(RTC_AlarmStruct->RTC_AlarmDateWeekDay);
+ }
+}
+
+/**
+ * @brief Enables or disables the specified RTC Alarm.
+ * @param RTC_Alarm: specifies the alarm to be configured.
+ * This parameter can be any combination of the following values:
+ * @arg RTC_Alarm_A: to select Alarm A
+ * @param NewState: new state of the specified alarm.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval An ErrorStatus enumeration value:
+ * - SUCCESS: RTC Alarm is enabled/disabled
+ * - ERROR: RTC Alarm is not enabled/disabled
+ */
+ErrorStatus RTC_AlarmCmd(uint32_t RTC_Alarm, FunctionalState NewState)
+{
+ __IO uint32_t alarmcounter = 0x00;
+ uint32_t alarmstatus = 0x00;
+ ErrorStatus status = ERROR;
+
+ /* Check the parameters */
+ assert_param(IS_RTC_CMD_ALARM(RTC_Alarm));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ /* Configure the Alarm state */
+ if (NewState != DISABLE)
+ {
+ RTC->CR |= (uint32_t)RTC_Alarm;
+
+ status = SUCCESS;
+ }
+ else
+ {
+ /* Disable the Alarm in RTC_CR register */
+ RTC->CR &= (uint32_t)~RTC_Alarm;
+
+ /* Wait till RTC ALRxWF flag is set and if Time out is reached exit */
+ do
+ {
+ alarmstatus = RTC->ISR & (RTC_Alarm >> 8);
+ alarmcounter++;
+ } while((alarmcounter != INITMODE_TIMEOUT) && (alarmstatus == 0x00));
+
+ if ((RTC->ISR & (RTC_Alarm >> 8)) == RESET)
+ {
+ status = ERROR;
+ }
+ else
+ {
+ status = SUCCESS;
+ }
+ }
+
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+
+ return status;
+}
+
+/**
+ * @brief Configure the RTC AlarmA/B Subseconds value and mask.
+ * @note This function is performed only when the Alarm is disabled.
+ * @param RTC_Alarm: specifies the alarm to be configured.
+ * This parameter can be one of the following values:
+ * @arg RTC_Alarm_A: to select Alarm A
+ * @param RTC_AlarmSubSecondValue: specifies the Subseconds value.
+ * This parameter can be a value from 0 to 0x00007FFF.
+ * @param RTC_AlarmSubSecondMask: specifies the Subseconds Mask.
+ * This parameter can be any combination of the following values:
+ * @arg RTC_AlarmSubSecondMask_All: All Alarm SS fields are masked.
+ * There is no comparison on sub seconds for Alarm.
+ * @arg RTC_AlarmSubSecondMask_SS14_1: SS[14:1] are don't care in Alarm comparison.
+ * Only SS[0] is compared
+ * @arg RTC_AlarmSubSecondMask_SS14_2: SS[14:2] are don't care in Alarm comparison.
+ * Only SS[1:0] are compared
+ * @arg RTC_AlarmSubSecondMask_SS14_3: SS[14:3] are don't care in Alarm comparison.
+ * Only SS[2:0] are compared
+ * @arg RTC_AlarmSubSecondMask_SS14_4: SS[14:4] are don't care in Alarm comparison.
+ * Only SS[3:0] are compared
+ * @arg RTC_AlarmSubSecondMask_SS14_5: SS[14:5] are don't care in Alarm comparison.
+ * Only SS[4:0] are compared
+ * @arg RTC_AlarmSubSecondMask_SS14_6: SS[14:6] are don't care in Alarm comparison.
+ * Only SS[5:0] are compared
+ * @arg RTC_AlarmSubSecondMask_SS14_7: SS[14:7] are don't care in Alarm comparison.
+ * Only SS[6:0] are compared
+ * @arg RTC_AlarmSubSecondMask_SS14_8: SS[14:8] are don't care in Alarm comparison.
+ * Only SS[7:0] are compared
+ * @arg RTC_AlarmSubSecondMask_SS14_9: SS[14:9] are don't care in Alarm comparison.
+ * Only SS[8:0] are compared
+ * @arg RTC_AlarmSubSecondMask_SS14_10: SS[14:10] are don't care in Alarm comparison.
+ * Only SS[9:0] are compared
+ * @arg RTC_AlarmSubSecondMask_SS14_11: SS[14:11] are don't care in Alarm comparison.
+ * Only SS[10:0] are compared
+ * @arg RTC_AlarmSubSecondMask_SS14_12: SS[14:12] are don't care in Alarm comparison.
+ * Only SS[11:0] are compared
+ * @arg RTC_AlarmSubSecondMask_SS14_13: SS[14:13] are don't care in Alarm comparison.
+ * Only SS[12:0] are compared
+ * @arg RTC_AlarmSubSecondMask_SS14: SS[14] is don't care in Alarm comparison.
+ * Only SS[13:0] are compared
+ * @arg RTC_AlarmSubSecondMask_None: SS[14:0] are compared and must match to activate alarm
+ * @retval None
+ */
+void RTC_AlarmSubSecondConfig(uint32_t RTC_Alarm, uint32_t RTC_AlarmSubSecondValue, uint8_t RTC_AlarmSubSecondMask)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RTC_ALARM(RTC_Alarm));
+ assert_param(IS_RTC_ALARM_SUB_SECOND_VALUE(RTC_AlarmSubSecondValue));
+ assert_param(IS_RTC_ALARM_SUB_SECOND_MASK(RTC_AlarmSubSecondMask));
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ /* Configure the Alarm A or Alarm B SubSecond registers */
+ tmpreg = (uint32_t) (((uint32_t)(RTC_AlarmSubSecondValue)) | ((uint32_t)(RTC_AlarmSubSecondMask) << 24));
+
+ /* Configure the AlarmA SubSecond register */
+ RTC->ALRMASSR = tmpreg;
+
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+
+}
+
+/**
+ * @brief Gets the RTC Alarm Subseconds value.
+ * @param RTC_Alarm: specifies the alarm to be read.
+ * This parameter can be one of the following values:
+ * @arg RTC_Alarm_A: to select Alarm A
+ * @param None
+ * @retval RTC Alarm Subseconds value.
+ */
+uint32_t RTC_GetAlarmSubSecond(uint32_t RTC_Alarm)
+{
+ uint32_t tmpreg = 0;
+
+ /* Get the RTC_ALRMAR register */
+ tmpreg = (uint32_t)((RTC->ALRMASSR) & RTC_ALRMASSR_SS);
+
+ return (tmpreg);
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Group4 WakeUp Timer configuration functions
+ * @brief WakeUp Timer configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### WakeUp Timer configuration functions #####
+ ===============================================================================
+
+ [..] This section provide functions allowing to program and read the RTC WakeUp.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Configures the RTC Wakeup clock source.
+ * This function is available for STM32F072 devices.
+ * @note The WakeUp Clock source can only be changed when the RTC WakeUp
+ * is disabled (Use the RTC_WakeUpCmd(DISABLE)).
+ * @param RTC_WakeUpClock: Wakeup Clock source.
+ * This parameter can be one of the following values:
+ * @arg RTC_WakeUpClock_RTCCLK_Div16
+ * @arg RTC_WakeUpClock_RTCCLK_Div8
+ * @arg RTC_WakeUpClock_RTCCLK_Div4
+ * @arg RTC_WakeUpClock_RTCCLK_Div2
+ * @arg RTC_WakeUpClock_CK_SPRE_16bits
+ * @arg RTC_WakeUpClock_CK_SPRE_17bits
+ * @retval None
+ */
+void RTC_WakeUpClockConfig(uint32_t RTC_WakeUpClock)
+{
+ /* Check the parameters */
+ assert_param(IS_RTC_WAKEUP_CLOCK(RTC_WakeUpClock));
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ /* Clear the Wakeup Timer clock source bits in CR register */
+ RTC->CR &= (uint32_t)~RTC_CR_WUCKSEL;
+
+ /* Configure the clock source */
+ RTC->CR |= (uint32_t)RTC_WakeUpClock;
+
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+}
+
+/**
+ * @brief Configures the RTC Wakeup counter.
+ * This function is available for STM32F072 devices.
+ * @note The RTC WakeUp counter can only be written when the RTC WakeUp
+ * is disabled (Use the RTC_WakeUpCmd(DISABLE)).
+ * @param RTC_WakeUpCounter: specifies the WakeUp counter.
+ * This parameter can be a value from 0x0000 to 0xFFFF.
+ * @retval None
+ */
+void RTC_SetWakeUpCounter(uint32_t RTC_WakeUpCounter)
+{
+ /* Check the parameters */
+ assert_param(IS_RTC_WAKEUP_COUNTER(RTC_WakeUpCounter));
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ /* Configure the Wakeup Timer counter */
+ RTC->WUTR = (uint32_t)RTC_WakeUpCounter;
+
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+}
+
+/**
+ * @brief Returns the RTC WakeUp timer counter value.
+ * This function is available for STM32F072 devices.
+ * @param None
+ * @retval The RTC WakeUp Counter value.
+ */
+uint32_t RTC_GetWakeUpCounter(void)
+{
+ /* Get the counter value */
+ return ((uint32_t)(RTC->WUTR & RTC_WUTR_WUT));
+}
+
+/**
+ * @brief Enables or Disables the RTC WakeUp timer.
+ * This function is available for STM32F072 devices.
+ * @param NewState: new state of the WakeUp timer.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+ErrorStatus RTC_WakeUpCmd(FunctionalState NewState)
+{
+ __IO uint32_t wutcounter = 0x00;
+ uint32_t wutwfstatus = 0x00;
+ ErrorStatus status = ERROR;
+
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the Wakeup Timer */
+ RTC->CR |= (uint32_t)RTC_CR_WUTE;
+ status = SUCCESS;
+ }
+ else
+ {
+ /* Disable the Wakeup Timer */
+ RTC->CR &= (uint32_t)~RTC_CR_WUTE;
+ /* Wait till RTC WUTWF flag is set and if Time out is reached exit */
+ do
+ {
+ wutwfstatus = RTC->ISR & RTC_ISR_WUTWF;
+ wutcounter++;
+ } while((wutcounter != INITMODE_TIMEOUT) && (wutwfstatus == 0x00));
+
+ if ((RTC->ISR & RTC_ISR_WUTWF) == RESET)
+ {
+ status = ERROR;
+ }
+ else
+ {
+ status = SUCCESS;
+ }
+ }
+
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+
+ return status;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Group5 Daylight Saving configuration functions
+ * @brief Daylight Saving configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### WakeUp Timer configuration functions #####
+ ===============================================================================
+ [..] This section provide functions allowing to program and read the RTC WakeUp.
+
+ This section provide functions allowing to configure the RTC DayLight Saving.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Adds or substract one hour from the current time.
+ * @param RTC_DayLightSaveOperation: the value of hour adjustment.
+ * This parameter can be one of the following values:
+ * @arg RTC_DayLightSaving_SUB1H: Substract one hour (winter time)
+ * @arg RTC_DayLightSaving_ADD1H: Add one hour (summer time)
+ * @param RTC_StoreOperation: Specifies the value to be written in the BCK bit
+ * in CR register to store the operation.
+ * This parameter can be one of the following values:
+ * @arg RTC_StoreOperation_Reset: BCK Bit Reset
+ * @arg RTC_StoreOperation_Set: BCK Bit Set
+ * @retval None
+ */
+void RTC_DayLightSavingConfig(uint32_t RTC_DayLightSaving, uint32_t RTC_StoreOperation)
+{
+ /* Check the parameters */
+ assert_param(IS_RTC_DAYLIGHT_SAVING(RTC_DayLightSaving));
+ assert_param(IS_RTC_STORE_OPERATION(RTC_StoreOperation));
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ /* Clear the bits to be configured */
+ RTC->CR &= (uint32_t)~(RTC_CR_BCK);
+
+ /* Configure the RTC_CR register */
+ RTC->CR |= (uint32_t)(RTC_DayLightSaving | RTC_StoreOperation);
+
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+}
+
+/**
+ * @brief Returns the RTC Day Light Saving stored operation.
+ * @param None
+ * @retval RTC Day Light Saving stored operation.
+ * - RTC_StoreOperation_Reset
+ * - RTC_StoreOperation_Set
+ */
+uint32_t RTC_GetStoreOperation(void)
+{
+ return (RTC->CR & RTC_CR_BCK);
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Group6 Output pin Configuration function
+ * @brief Output pin Configuration function
+ *
+@verbatim
+ ===============================================================================
+ ##### Output pin Configuration function #####
+ ===============================================================================
+ [..] This section provide functions allowing to configure the RTC Output source.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Configures the RTC output source (AFO_ALARM).
+ * @param RTC_Output: Specifies which signal will be routed to the RTC output.
+ * This parameter can be one of the following values:
+ * @arg RTC_Output_Disable: No output selected
+ * @arg RTC_Output_AlarmA: signal of AlarmA mapped to output
+ * @arg RTC_Output_WakeUp: signal of WakeUp mapped to output, available only for STM32F072 devices
+ * @param RTC_OutputPolarity: Specifies the polarity of the output signal.
+ * This parameter can be one of the following:
+ * @arg RTC_OutputPolarity_High: The output pin is high when the
+ * ALRAF is high (depending on OSEL)
+ * @arg RTC_OutputPolarity_Low: The output pin is low when the
+ * ALRAF is high (depending on OSEL)
+ * @retval None
+ */
+void RTC_OutputConfig(uint32_t RTC_Output, uint32_t RTC_OutputPolarity)
+{
+ /* Check the parameters */
+ assert_param(IS_RTC_OUTPUT(RTC_Output));
+ assert_param(IS_RTC_OUTPUT_POL(RTC_OutputPolarity));
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ /* Clear the bits to be configured */
+ RTC->CR &= (uint32_t)~(RTC_CR_OSEL | RTC_CR_POL);
+
+ /* Configure the output selection and polarity */
+ RTC->CR |= (uint32_t)(RTC_Output | RTC_OutputPolarity);
+
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Group7 Digital Calibration configuration functions
+ * @brief Digital Calibration configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Digital Calibration configuration functions #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the RTC clock to be output through the relative pin.
+ * @param NewState: new state of the digital calibration Output.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RTC_CalibOutputCmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the RTC clock output */
+ RTC->CR |= (uint32_t)RTC_CR_COE;
+ }
+ else
+ {
+ /* Disable the RTC clock output */
+ RTC->CR &= (uint32_t)~RTC_CR_COE;
+ }
+
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+}
+
+/**
+ * @brief Configure the Calibration Pinout (RTC_CALIB) Selection (1Hz or 512Hz).
+ * @param RTC_CalibOutput: Select the Calibration output Selection .
+ * This parameter can be one of the following values:
+ * @arg RTC_CalibOutput_512Hz: A signal has a regular waveform at 512Hz.
+ * @arg RTC_CalibOutput_1Hz: A signal has a regular waveform at 1Hz.
+ * @retval None
+*/
+void RTC_CalibOutputConfig(uint32_t RTC_CalibOutput)
+{
+ /* Check the parameters */
+ assert_param(IS_RTC_CALIB_OUTPUT(RTC_CalibOutput));
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ /*clear flags before config*/
+ RTC->CR &= (uint32_t)~(RTC_CR_CALSEL);
+
+ /* Configure the RTC_CR register */
+ RTC->CR |= (uint32_t)RTC_CalibOutput;
+
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+}
+
+/**
+ * @brief Configures the Smooth Calibration Settings.
+ * @param RTC_SmoothCalibPeriod: Select the Smooth Calibration Period.
+ * This parameter can be can be one of the following values:
+ * @arg RTC_SmoothCalibPeriod_32sec: The smooth calibration periode is 32s.
+ * @arg RTC_SmoothCalibPeriod_16sec: The smooth calibration periode is 16s.
+ * @arg RTC_SmoothCalibPeriod_8sec: The smooth calibartion periode is 8s.
+ * @param RTC_SmoothCalibPlusPulses: Select to Set or reset the CALP bit.
+ * This parameter can be one of the following values:
+ * @arg RTC_SmoothCalibPlusPulses_Set: Add one RTCCLK puls every 2**11 pulses.
+ * @arg RTC_SmoothCalibPlusPulses_Reset: No RTCCLK pulses are added.
+ * @param RTC_SmouthCalibMinusPulsesValue: Select the value of CALM[8:0] bits.
+ * This parameter can be one any value from 0 to 0x000001FF.
+ * @retval An ErrorStatus enumeration value:
+ * - SUCCESS: RTC Calib registers are configured
+ * - ERROR: RTC Calib registers are not configured
+*/
+ErrorStatus RTC_SmoothCalibConfig(uint32_t RTC_SmoothCalibPeriod,
+ uint32_t RTC_SmoothCalibPlusPulses,
+ uint32_t RTC_SmouthCalibMinusPulsesValue)
+{
+ ErrorStatus status = ERROR;
+ uint32_t recalpfcount = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RTC_SMOOTH_CALIB_PERIOD(RTC_SmoothCalibPeriod));
+ assert_param(IS_RTC_SMOOTH_CALIB_PLUS(RTC_SmoothCalibPlusPulses));
+ assert_param(IS_RTC_SMOOTH_CALIB_MINUS(RTC_SmouthCalibMinusPulsesValue));
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ /* check if a calibration is pending*/
+ if ((RTC->ISR & RTC_ISR_RECALPF) != RESET)
+ {
+ /* wait until the Calibration is completed*/
+ while (((RTC->ISR & RTC_ISR_RECALPF) != RESET) && (recalpfcount != RECALPF_TIMEOUT))
+ {
+ recalpfcount++;
+ }
+ }
+
+ /* check if the calibration pending is completed or if there is no calibration operation at all*/
+ if ((RTC->ISR & RTC_ISR_RECALPF) == RESET)
+ {
+ /* Configure the Smooth calibration settings */
+ RTC->CALR = (uint32_t)((uint32_t)RTC_SmoothCalibPeriod | (uint32_t)RTC_SmoothCalibPlusPulses | (uint32_t)RTC_SmouthCalibMinusPulsesValue);
+
+ status = SUCCESS;
+ }
+ else
+ {
+ status = ERROR;
+ }
+
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+
+ return (ErrorStatus)(status);
+}
+
+/**
+ * @}
+ */
+
+
+/** @defgroup RTC_Group8 TimeStamp configuration functions
+ * @brief TimeStamp configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### TimeStamp configuration functions #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or Disables the RTC TimeStamp functionality with the
+ * specified time stamp pin stimulating edge.
+ * @param RTC_TimeStampEdge: Specifies the pin edge on which the TimeStamp is
+ * activated.
+ * This parameter can be one of the following:
+ * @arg RTC_TimeStampEdge_Rising: the Time stamp event occurs on the rising
+ * edge of the related pin.
+ * @arg RTC_TimeStampEdge_Falling: the Time stamp event occurs on the
+ * falling edge of the related pin.
+ * @param NewState: new state of the TimeStamp.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RTC_TimeStampCmd(uint32_t RTC_TimeStampEdge, FunctionalState NewState)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RTC_TIMESTAMP_EDGE(RTC_TimeStampEdge));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ /* Get the RTC_CR register and clear the bits to be configured */
+ tmpreg = (uint32_t)(RTC->CR & (uint32_t)~(RTC_CR_TSEDGE | RTC_CR_TSE));
+
+ /* Get the new configuration */
+ if (NewState != DISABLE)
+ {
+ tmpreg |= (uint32_t)(RTC_TimeStampEdge | RTC_CR_TSE);
+ }
+ else
+ {
+ tmpreg |= (uint32_t)(RTC_TimeStampEdge);
+ }
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ /* Configure the Time Stamp TSEDGE and Enable bits */
+ RTC->CR = (uint32_t)tmpreg;
+
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+}
+
+/**
+ * @brief Get the RTC TimeStamp value and masks.
+ * @param RTC_Format: specifies the format of the output parameters.
+ * This parameter can be one of the following values:
+ * @arg RTC_Format_BIN: Binary data format
+ * @arg RTC_Format_BCD: BCD data format
+ * @param RTC_StampTimeStruct: pointer to a RTC_TimeTypeDef structure that will
+ * contains the TimeStamp time values.
+ * @param RTC_StampDateStruct: pointer to a RTC_DateTypeDef structure that will
+ * contains the TimeStamp date values.
+ * @retval None
+ */
+void RTC_GetTimeStamp(uint32_t RTC_Format, RTC_TimeTypeDef* RTC_StampTimeStruct,
+ RTC_DateTypeDef* RTC_StampDateStruct)
+{
+ uint32_t tmptime = 0, tmpdate = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RTC_FORMAT(RTC_Format));
+
+ /* Get the TimeStamp time and date registers values */
+ tmptime = (uint32_t)(RTC->TSTR & RTC_TR_RESERVED_MASK);
+ tmpdate = (uint32_t)(RTC->TSDR & RTC_DR_RESERVED_MASK);
+
+ /* Fill the Time structure fields with the read parameters */
+ RTC_StampTimeStruct->RTC_Hours = (uint8_t)((tmptime & (RTC_TR_HT | RTC_TR_HU)) >> 16);
+ RTC_StampTimeStruct->RTC_Minutes = (uint8_t)((tmptime & (RTC_TR_MNT | RTC_TR_MNU)) >> 8);
+ RTC_StampTimeStruct->RTC_Seconds = (uint8_t)(tmptime & (RTC_TR_ST | RTC_TR_SU));
+ RTC_StampTimeStruct->RTC_H12 = (uint8_t)((tmptime & (RTC_TR_PM)) >> 16);
+
+ /* Fill the Date structure fields with the read parameters */
+ RTC_StampDateStruct->RTC_Year = 0;
+ RTC_StampDateStruct->RTC_Month = (uint8_t)((tmpdate & (RTC_DR_MT | RTC_DR_MU)) >> 8);
+ RTC_StampDateStruct->RTC_Date = (uint8_t)(tmpdate & (RTC_DR_DT | RTC_DR_DU));
+ RTC_StampDateStruct->RTC_WeekDay = (uint8_t)((tmpdate & (RTC_DR_WDU)) >> 13);
+
+ /* Check the input parameters format */
+ if (RTC_Format == RTC_Format_BIN)
+ {
+ /* Convert the Time structure parameters to Binary format */
+ RTC_StampTimeStruct->RTC_Hours = (uint8_t)RTC_Bcd2ToByte(RTC_StampTimeStruct->RTC_Hours);
+ RTC_StampTimeStruct->RTC_Minutes = (uint8_t)RTC_Bcd2ToByte(RTC_StampTimeStruct->RTC_Minutes);
+ RTC_StampTimeStruct->RTC_Seconds = (uint8_t)RTC_Bcd2ToByte(RTC_StampTimeStruct->RTC_Seconds);
+
+ /* Convert the Date structure parameters to Binary format */
+ RTC_StampDateStruct->RTC_Month = (uint8_t)RTC_Bcd2ToByte(RTC_StampDateStruct->RTC_Month);
+ RTC_StampDateStruct->RTC_Date = (uint8_t)RTC_Bcd2ToByte(RTC_StampDateStruct->RTC_Date);
+ RTC_StampDateStruct->RTC_WeekDay = (uint8_t)RTC_Bcd2ToByte(RTC_StampDateStruct->RTC_WeekDay);
+ }
+}
+
+/**
+ * @brief Get the RTC timestamp Subseconds value.
+ * @param None
+ * @retval RTC current timestamp Subseconds value.
+ */
+uint32_t RTC_GetTimeStampSubSecond(void)
+{
+ /* Get timestamp subseconds values from the correspondent registers */
+ return (uint32_t)(RTC->TSSSR);
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Group9 Tampers configuration functions
+ * @brief Tampers configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Tampers configuration functions #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Configures the select Tamper pin edge.
+ * @param RTC_Tamper: Selected tamper pin.
+ * This parameter can be any combination of the following values:
+ * @arg RTC_Tamper_1: Select Tamper 1.
+ * @arg RTC_Tamper_2: Select Tamper 2.
+ * @param RTC_TamperTrigger: Specifies the trigger on the tamper pin that
+ * stimulates tamper event.
+ * This parameter can be one of the following values:
+ * @arg RTC_TamperTrigger_RisingEdge: Rising Edge of the tamper pin causes tamper event.
+ * @arg RTC_TamperTrigger_FallingEdge: Falling Edge of the tamper pin causes tamper event.
+ * @arg RTC_TamperTrigger_LowLevel: Low Level of the tamper pin causes tamper event.
+ * @arg RTC_TamperTrigger_HighLevel: High Level of the tamper pin causes tamper event.
+ * @retval None
+ */
+void RTC_TamperTriggerConfig(uint32_t RTC_Tamper, uint32_t RTC_TamperTrigger)
+{
+ /* Check the parameters */
+ assert_param(IS_RTC_TAMPER(RTC_Tamper));
+ assert_param(IS_RTC_TAMPER_TRIGGER(RTC_TamperTrigger));
+
+ if (RTC_TamperTrigger == RTC_TamperTrigger_RisingEdge)
+ {
+ /* Configure the RTC_TAFCR register */
+ RTC->TAFCR &= (uint32_t)((uint32_t)~(RTC_Tamper << 1));
+ }
+ else
+ {
+ /* Configure the RTC_TAFCR register */
+ RTC->TAFCR |= (uint32_t)(RTC_Tamper << 1);
+ }
+}
+
+/**
+ * @brief Enables or Disables the Tamper detection.
+ * @param RTC_Tamper: Selected tamper pin.
+ * This parameter can be any combination of the following values:
+ * @arg RTC_Tamper_1: Select Tamper 1.
+ * @arg RTC_Tamper_2: Select Tamper 2.
+ * @param NewState: new state of the tamper pin.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RTC_TamperCmd(uint32_t RTC_Tamper, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_RTC_TAMPER(RTC_Tamper));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected Tamper pin */
+ RTC->TAFCR |= (uint32_t)RTC_Tamper;
+ }
+ else
+ {
+ /* Disable the selected Tamper pin */
+ RTC->TAFCR &= (uint32_t)~RTC_Tamper;
+ }
+}
+
+/**
+ * @brief Configures the Tampers Filter.
+ * @param RTC_TamperFilter: Specifies the tampers filter.
+ * This parameter can be one of the following values:
+ * @arg RTC_TamperFilter_Disable: Tamper filter is disabled.
+ * @arg RTC_TamperFilter_2Sample: Tamper is activated after 2 consecutive
+ * samples at the active level
+ * @arg RTC_TamperFilter_4Sample: Tamper is activated after 4 consecutive
+ * samples at the active level
+ * @arg RTC_TamperFilter_8Sample: Tamper is activated after 8 consecutive
+ * samples at the active level
+ * @retval None
+ */
+void RTC_TamperFilterConfig(uint32_t RTC_TamperFilter)
+{
+ /* Check the parameters */
+ assert_param(IS_RTC_TAMPER_FILTER(RTC_TamperFilter));
+
+ /* Clear TAMPFLT[1:0] bits in the RTC_TAFCR register */
+ RTC->TAFCR &= (uint32_t)~(RTC_TAFCR_TAMPFLT);
+
+ /* Configure the RTC_TAFCR register */
+ RTC->TAFCR |= (uint32_t)RTC_TamperFilter;
+}
+
+/**
+ * @brief Configures the Tampers Sampling Frequency.
+ * @param RTC_TamperSamplingFreq: Specifies the tampers Sampling Frequency.
+ * This parameter can be one of the following values:
+ * @arg RTC_TamperSamplingFreq_RTCCLK_Div32768: Each of the tamper inputs are sampled
+ * with a frequency = RTCCLK / 32768
+ * @arg RTC_TamperSamplingFreq_RTCCLK_Div16384: Each of the tamper inputs are sampled
+ * with a frequency = RTCCLK / 16384
+ * @arg RTC_TamperSamplingFreq_RTCCLK_Div8192: Each of the tamper inputs are sampled
+ * with a frequency = RTCCLK / 8192
+ * @arg RTC_TamperSamplingFreq_RTCCLK_Div4096: Each of the tamper inputs are sampled
+ * with a frequency = RTCCLK / 4096
+ * @arg RTC_TamperSamplingFreq_RTCCLK_Div2048: Each of the tamper inputs are sampled
+ * with a frequency = RTCCLK / 2048
+ * @arg RTC_TamperSamplingFreq_RTCCLK_Div1024: Each of the tamper inputs are sampled
+ * with a frequency = RTCCLK / 1024
+ * @arg RTC_TamperSamplingFreq_RTCCLK_Div512: Each of the tamper inputs are sampled
+ * with a frequency = RTCCLK / 512
+ * @arg RTC_TamperSamplingFreq_RTCCLK_Div256: Each of the tamper inputs are sampled
+ * with a frequency = RTCCLK / 256
+ * @retval None
+ */
+void RTC_TamperSamplingFreqConfig(uint32_t RTC_TamperSamplingFreq)
+{
+ /* Check the parameters */
+ assert_param(IS_RTC_TAMPER_SAMPLING_FREQ(RTC_TamperSamplingFreq));
+
+ /* Clear TAMPFREQ[2:0] bits in the RTC_TAFCR register */
+ RTC->TAFCR &= (uint32_t)~(RTC_TAFCR_TAMPFREQ);
+
+ /* Configure the RTC_TAFCR register */
+ RTC->TAFCR |= (uint32_t)RTC_TamperSamplingFreq;
+}
+
+/**
+ * @brief Configures the Tampers Pins input Precharge Duration.
+ * @param RTC_TamperPrechargeDuration: Specifies the Tampers Pins input
+ * Precharge Duration.
+ * This parameter can be one of the following values:
+ * @arg RTC_TamperPrechargeDuration_1RTCCLK: Tamper pins are pre-charged before sampling during 1 RTCCLK cycle
+ * @arg RTC_TamperPrechargeDuration_2RTCCLK: Tamper pins are pre-charged before sampling during 2 RTCCLK cycle
+ * @arg RTC_TamperPrechargeDuration_4RTCCLK: Tamper pins are pre-charged before sampling during 4 RTCCLK cycle
+ * @arg RTC_TamperPrechargeDuration_8RTCCLK: Tamper pins are pre-charged before sampling during 8 RTCCLK cycle
+ * @retval None
+ */
+void RTC_TamperPinsPrechargeDuration(uint32_t RTC_TamperPrechargeDuration)
+{
+ /* Check the parameters */
+ assert_param(IS_RTC_TAMPER_PRECHARGE_DURATION(RTC_TamperPrechargeDuration));
+
+ /* Clear TAMPPRCH[1:0] bits in the RTC_TAFCR register */
+ RTC->TAFCR &= (uint32_t)~(RTC_TAFCR_TAMPPRCH);
+
+ /* Configure the RTC_TAFCR register */
+ RTC->TAFCR |= (uint32_t)RTC_TamperPrechargeDuration;
+}
+
+/**
+ * @brief Enables or Disables the TimeStamp on Tamper Detection Event.
+ * @note The timestamp is valid even the TSE bit in tamper control register
+ * is reset.
+ * @param NewState: new state of the timestamp on tamper event.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RTC_TimeStampOnTamperDetectionCmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Save timestamp on tamper detection event */
+ RTC->TAFCR |= (uint32_t)RTC_TAFCR_TAMPTS;
+ }
+ else
+ {
+ /* Tamper detection does not cause a timestamp to be saved */
+ RTC->TAFCR &= (uint32_t)~RTC_TAFCR_TAMPTS;
+ }
+}
+
+/**
+ * @brief Enables or Disables the Precharge of Tamper pin.
+ * @param NewState: new state of tamper pull up.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RTC_TamperPullUpCmd(FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable precharge of the selected Tamper pin */
+ RTC->TAFCR &= (uint32_t)~RTC_TAFCR_TAMPPUDIS;
+ }
+ else
+ {
+ /* Disable precharge of the selected Tamper pin */
+ RTC->TAFCR |= (uint32_t)RTC_TAFCR_TAMPPUDIS;
+ }
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Group10 Backup Data Registers configuration functions
+ * @brief Backup Data Registers configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Backup Data Registers configuration functions #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Writes a data in a specified RTC Backup data register.
+ * @param RTC_BKP_DR: RTC Backup data Register number.
+ * This parameter can be: RTC_BKP_DRx where x can be from 0 to 4 to
+ * specify the register.
+ * @param Data: Data to be written in the specified RTC Backup data register.
+ * @retval None
+ */
+void RTC_WriteBackupRegister(uint32_t RTC_BKP_DR, uint32_t Data)
+{
+ __IO uint32_t tmp = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RTC_BKP(RTC_BKP_DR));
+
+ tmp = RTC_BASE + 0x50;
+ tmp += (RTC_BKP_DR * 4);
+
+ /* Write the specified register */
+ *(__IO uint32_t *)tmp = (uint32_t)Data;
+}
+
+/**
+ * @brief Reads data from the specified RTC Backup data Register.
+ * @param RTC_BKP_DR: RTC Backup data Register number.
+ * This parameter can be: RTC_BKP_DRx where x can be from 0 to 19 to
+ * specify the register.
+ * @retval None
+ */
+uint32_t RTC_ReadBackupRegister(uint32_t RTC_BKP_DR)
+{
+ __IO uint32_t tmp = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RTC_BKP(RTC_BKP_DR));
+
+ tmp = RTC_BASE + 0x50;
+ tmp += (RTC_BKP_DR * 4);
+
+ /* Read the specified register */
+ return (*(__IO uint32_t *)tmp);
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Group11 Output Type Config configuration functions
+ * @brief Output Type Config configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Output Type Config configuration functions #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Configures the RTC Output Pin mode.
+ * @param RTC_OutputType: specifies the RTC Output (PC13) pin mode.
+ * This parameter can be one of the following values:
+ * @arg RTC_OutputType_OpenDrain: RTC Output (PC13) is configured in
+ * Open Drain mode.
+ * @arg RTC_OutputType_PushPull: RTC Output (PC13) is configured in
+ * Push Pull mode.
+ * @retval None
+ */
+void RTC_OutputTypeConfig(uint32_t RTC_OutputType)
+{
+ /* Check the parameters */
+ assert_param(IS_RTC_OUTPUT_TYPE(RTC_OutputType));
+
+ RTC->TAFCR &= (uint32_t)~(RTC_TAFCR_ALARMOUTTYPE);
+ RTC->TAFCR |= (uint32_t)(RTC_OutputType);
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Group12 Shift control synchronisation functions
+ * @brief Shift control synchronisation functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Shift control synchronisation functions #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Configures the Synchronization Shift Control Settings.
+ * @note When REFCKON is set, firmware must not write to Shift control register
+ * @param RTC_ShiftAdd1S: Select to add or not 1 second to the time Calendar.
+ * This parameter can be one of the following values :
+ * @arg RTC_ShiftAdd1S_Set: Add one second to the clock calendar.
+ * @arg RTC_ShiftAdd1S_Reset: No effect.
+ * @param RTC_ShiftSubFS: Select the number of Second Fractions to Substitute.
+ * This parameter can be one any value from 0 to 0x7FFF.
+ * @retval An ErrorStatus enumeration value:
+ * - SUCCESS: RTC Shift registers are configured
+ * - ERROR: RTC Shift registers are not configured
+*/
+ErrorStatus RTC_SynchroShiftConfig(uint32_t RTC_ShiftAdd1S, uint32_t RTC_ShiftSubFS)
+{
+ ErrorStatus status = ERROR;
+ uint32_t shpfcount = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RTC_SHIFT_ADD1S(RTC_ShiftAdd1S));
+ assert_param(IS_RTC_SHIFT_SUBFS(RTC_ShiftSubFS));
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ /* Check if a Shift is pending*/
+ if ((RTC->ISR & RTC_ISR_SHPF) != RESET)
+ {
+ /* Wait until the shift is completed*/
+ while (((RTC->ISR & RTC_ISR_SHPF) != RESET) && (shpfcount != SHPF_TIMEOUT))
+ {
+ shpfcount++;
+ }
+ }
+
+ /* Check if the Shift pending is completed or if there is no Shift operation at all*/
+ if ((RTC->ISR & RTC_ISR_SHPF) == RESET)
+ {
+ /* check if the reference clock detection is disabled */
+ if((RTC->CR & RTC_CR_REFCKON) == RESET)
+ {
+ /* Configure the Shift settings */
+ RTC->SHIFTR = (uint32_t)(uint32_t)(RTC_ShiftSubFS) | (uint32_t)(RTC_ShiftAdd1S);
+
+ if(RTC_WaitForSynchro() == ERROR)
+ {
+ status = ERROR;
+ }
+ else
+ {
+ status = SUCCESS;
+ }
+ }
+ else
+ {
+ status = ERROR;
+ }
+ }
+ else
+ {
+ status = ERROR;
+ }
+
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+
+ return (ErrorStatus)(status);
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup RTC_Group13 Interrupts and flags management functions
+ * @brief Interrupts and flags management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Interrupts and flags management functions #####
+ ===============================================================================
+ [..] All RTC interrupts are connected to the EXTI controller.
+
+ (+) To enable the RTC Alarm interrupt, the following sequence is required:
+ (++) Configure and enable the EXTI Line 17 in interrupt mode and select the rising
+ edge sensitivity using the EXTI_Init() function.
+ (++) Configure and enable the RTC_Alarm IRQ channel in the NVIC using the NVIC_Init()
+ function.
+ (++) Configure the RTC to generate RTC alarms (Alarm A) using
+ the RTC_SetAlarm() and RTC_AlarmCmd() functions.
+
+ (+) To enable the RTC Tamper interrupt, the following sequence is required:
+ (++) Configure and enable the EXTI Line 19 in interrupt mode and select the rising
+ edge sensitivity using the EXTI_Init() function.
+ (++) Configure and enable the TAMP_STAMP IRQ channel in the NVIC using the NVIC_Init()
+ function.
+ (++) Configure the RTC to detect the RTC tamper event using the
+ RTC_TamperTriggerConfig() and RTC_TamperCmd() functions.
+
+ (+) To enable the RTC TimeStamp interrupt, the following sequence is required:
+ (++) Configure and enable the EXTI Line 19 in interrupt mode and select the rising
+ edge sensitivity using the EXTI_Init() function.
+ (++) Configure and enable the TAMP_STAMP IRQ channel in the NVIC using the NVIC_Init()
+ function.
+ (++) Configure the RTC to detect the RTC time-stamp event using the
+ RTC_TimeStampCmd() functions.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the specified RTC interrupts.
+ * @param RTC_IT: specifies the RTC interrupt sources to be enabled or disabled.
+ * This parameter can be any combination of the following values:
+ * @arg RTC_IT_TS: Time Stamp interrupt mask
+ * @arg RTC_IT_WUT: WakeUp Timer interrupt mask, available only for STM32F072 devices
+ * @arg RTC_IT_ALRA: Alarm A interrupt mask
+ * @arg RTC_IT_TAMP: Tamper event interrupt mask
+ * @param NewState: new state of the specified RTC interrupts.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void RTC_ITConfig(uint32_t RTC_IT, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_RTC_CONFIG_IT(RTC_IT));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ /* Disable the write protection for RTC registers */
+ RTC->WPR = 0xCA;
+ RTC->WPR = 0x53;
+
+ if (NewState != DISABLE)
+ {
+ /* Configure the Interrupts in the RTC_CR register */
+ RTC->CR |= (uint32_t)(RTC_IT & ~RTC_TAFCR_TAMPIE);
+ /* Configure the Tamper Interrupt in the RTC_TAFCR */
+ RTC->TAFCR |= (uint32_t)(RTC_IT & RTC_TAFCR_TAMPIE);
+ }
+ else
+ {
+ /* Configure the Interrupts in the RTC_CR register */
+ RTC->CR &= (uint32_t)~(RTC_IT & (uint32_t)~RTC_TAFCR_TAMPIE);
+ /* Configure the Tamper Interrupt in the RTC_TAFCR */
+ RTC->TAFCR &= (uint32_t)~(RTC_IT & RTC_TAFCR_TAMPIE);
+ }
+ /* Enable the write protection for RTC registers */
+ RTC->WPR = 0xFF;
+}
+
+/**
+ * @brief Checks whether the specified RTC flag is set or not.
+ * @param RTC_FLAG: specifies the flag to check.
+ * This parameter can be one of the following values:
+ * @arg RTC_FLAG_RECALPF: RECALPF event flag
+ * @arg RTC_FLAG_TAMP2F: Tamper 2 event flag
+ * @arg RTC_FLAG_TAMP1F: Tamper 1 event flag
+ * @arg RTC_FLAG_TSOVF: Time Stamp OverFlow flag
+ * @arg RTC_FLAG_TSF: Time Stamp event flag
+ * @arg RTC_FLAG_WUTF: WakeUp Timer flag, available only for STM32F072 devices
+ * @arg RTC_FLAG_ALRAF: Alarm A flag
+ * @arg RTC_FLAG_INITF: Initialization mode flag
+ * @arg RTC_FLAG_RSF: Registers Synchronized flag
+ * @arg RTC_FLAG_INITS: Registers Configured flag
+ * @retval The new state of RTC_FLAG (SET or RESET).
+ */
+FlagStatus RTC_GetFlagStatus(uint32_t RTC_FLAG)
+{
+ FlagStatus bitstatus = RESET;
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RTC_GET_FLAG(RTC_FLAG));
+
+ /* Get all the flags */
+ tmpreg = (uint32_t)(RTC->ISR & RTC_FLAGS_MASK);
+
+ /* Return the status of the flag */
+ if ((tmpreg & RTC_FLAG) != (uint32_t)RESET)
+ {
+ bitstatus = SET;
+ }
+ else
+ {
+ bitstatus = RESET;
+ }
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the RTC's pending flags.
+ * @param RTC_FLAG: specifies the RTC flag to clear.
+ * This parameter can be any combination of the following values:
+ * @arg RTC_FLAG_TAMP2F: Tamper 2 event flag
+ * @arg RTC_FLAG_TAMP1F: Tamper 1 event flag
+ * @arg RTC_FLAG_TSOVF: Time Stamp Overflow flag
+ * @arg RTC_FLAG_TSF: Time Stamp event flag
+ * @arg RTC_FLAG_WUTF: WakeUp Timer flag, available only for STM32F072 devices
+ * @arg RTC_FLAG_ALRAF: Alarm A flag
+ * @arg RTC_FLAG_RSF: Registers Synchronized flag
+ * @retval None
+ */
+void RTC_ClearFlag(uint32_t RTC_FLAG)
+{
+ /* Check the parameters */
+ assert_param(IS_RTC_CLEAR_FLAG(RTC_FLAG));
+
+ /* Clear the Flags in the RTC_ISR register */
+ RTC->ISR = (uint32_t)((uint32_t)(~((RTC_FLAG | RTC_ISR_INIT)& 0x0001FFFF) | (uint32_t)(RTC->ISR & RTC_ISR_INIT)));
+}
+
+/**
+ * @brief Checks whether the specified RTC interrupt has occurred or not.
+ * @param RTC_IT: specifies the RTC interrupt source to check.
+ * This parameter can be one of the following values:
+ * @arg RTC_IT_TS: Time Stamp interrupt
+ * @arg RTC_IT_WUT: WakeUp Timer interrupt, available only for STM32F072 devices
+ * @arg RTC_IT_ALRA: Alarm A interrupt
+ * @arg RTC_IT_TAMP1: Tamper1 event interrupt
+ * @arg RTC_IT_TAMP2: Tamper2 event interrupt
+ * @retval The new state of RTC_IT (SET or RESET).
+ */
+ITStatus RTC_GetITStatus(uint32_t RTC_IT)
+{
+ ITStatus bitstatus = RESET;
+ uint32_t tmpreg = 0, enablestatus = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RTC_GET_IT(RTC_IT));
+
+ /* Get the TAMPER Interrupt enable bit and pending bit */
+ tmpreg = (uint32_t)(RTC->TAFCR & (RTC_TAFCR_TAMPIE));
+
+ /* Get the Interrupt enable Status */
+ enablestatus = (uint32_t)((RTC->CR & RTC_IT) | (tmpreg & ((RTC_IT >> (RTC_IT >> 18)) >> 15)));
+
+ /* Get the Interrupt pending bit */
+ tmpreg = (uint32_t)((RTC->ISR & (uint32_t)(RTC_IT >> 4)));
+
+ /* Get the status of the Interrupt */
+ if ((enablestatus != (uint32_t)RESET) && ((tmpreg & 0x0000FFFF) != (uint32_t)RESET))
+ {
+ bitstatus = SET;
+ }
+ else
+ {
+ bitstatus = RESET;
+ }
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the RTC's interrupt pending bits.
+ * @param RTC_IT: specifies the RTC interrupt pending bit to clear.
+ * This parameter can be any combination of the following values:
+ * @arg RTC_IT_TS: Time Stamp interrupt
+ * @arg RTC_IT_WUT: WakeUp Timer interrupt, available only for STM32F072 devices
+ * @arg RTC_IT_ALRA: Alarm A interrupt
+ * @arg RTC_IT_TAMP1: Tamper1 event interrupt
+ * @arg RTC_IT_TAMP2: Tamper2 event interrupt
+ * @retval None
+ */
+void RTC_ClearITPendingBit(uint32_t RTC_IT)
+{
+ uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_RTC_CLEAR_IT(RTC_IT));
+
+ /* Get the RTC_ISR Interrupt pending bits mask */
+ tmpreg = (uint32_t)(RTC_IT >> 4);
+
+ /* Clear the interrupt pending bits in the RTC_ISR register */
+ RTC->ISR = (uint32_t)((uint32_t)(~((tmpreg | RTC_ISR_INIT)& 0x0000FFFF) | (uint32_t)(RTC->ISR & RTC_ISR_INIT)));
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @brief Converts a 2 digit decimal to BCD format.
+ * @param Value: Byte to be converted.
+ * @retval Converted byte
+ */
+static uint8_t RTC_ByteToBcd2(uint8_t Value)
+{
+ uint8_t bcdhigh = 0;
+
+ while (Value >= 10)
+ {
+ bcdhigh++;
+ Value -= 10;
+ }
+
+ return ((uint8_t)(bcdhigh << 4) | Value);
+}
+
+/**
+ * @brief Convert from 2 digit BCD to Binary.
+ * @param Value: BCD value to be converted.
+ * @retval Converted word
+ */
+static uint8_t RTC_Bcd2ToByte(uint8_t Value)
+{
+ uint8_t tmp = 0;
+ tmp = ((uint8_t)(Value & (uint8_t)0xF0) >> (uint8_t)0x4) * 10;
+ return (tmp + (Value & (uint8_t)0x0F));
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_spi.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_spi.c
new file mode 100644
index 00000000..f57a82dc
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_spi.c
@@ -0,0 +1,1334 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_spi.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the Serial peripheral interface (SPI):
+ * + Initialization and Configuration
+ * + Data transfers functions
+ * + Hardware CRC Calculation
+ * + DMA transfers management
+ * + Interrupts and flags management
+ *
+ * @verbatim
+
+ ===============================================================================
+ ##### How to use this driver #####
+ ===============================================================================
+ [..]
+ (#) Enable peripheral clock using RCC_APB2PeriphClockCmd(RCC_APB2Periph_SPI1, ENABLE)
+ function for SPI1 or using RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2, ENABLE)
+ function for SPI2.
+
+ (#) Enable SCK, MOSI, MISO and NSS GPIO clocks using
+ RCC_AHBPeriphClockCmd() function.
+
+ (#) Peripherals alternate function:
+ (++) Connect the pin to the desired peripherals' Alternate
+ Function (AF) using GPIO_PinAFConfig() function.
+ (++) Configure the desired pin in alternate function by:
+ GPIO_InitStruct->GPIO_Mode = GPIO_Mode_AF.
+ (++) Select the type, pull-up/pull-down and output speed via
+ GPIO_PuPd, GPIO_OType and GPIO_Speed members.
+ (++) Call GPIO_Init() function.
+
+ (#) Program the Polarity, Phase, First Data, Baud Rate Prescaler, Slave
+ Management, Peripheral Mode and CRC Polynomial values using the SPI_Init()
+ function.In I2S mode, program the Mode, Standard, Data Format, MCLK
+ Output, Audio frequency and Polarity using I2S_Init() function.
+
+ (#) Configure the FIFO threshold using SPI_RxFIFOThresholdConfig() to select
+ at which threshold the RXNE event is generated.
+
+ (#) Enable the NVIC and the corresponding interrupt using the function
+ SPI_ITConfig() if you need to use interrupt mode.
+
+ (#) When using the DMA mode
+ (++) Configure the DMA using DMA_Init() function.
+ (++) Active the needed channel Request using SPI_I2S_DMACmd() function.
+
+ (#) Enable the SPI using the SPI_Cmd() function or enable the I2S using
+ I2S_Cmd().
+
+ (#) Enable the DMA using the DMA_Cmd() function when using DMA mode.
+
+ (#) Optionally, you can enable/configure the following parameters without
+ re-initialization (i.e there is no need to call again SPI_Init() function):
+ (++) When bidirectional mode (SPI_Direction_1Line_Rx or SPI_Direction_1Line_Tx)
+ is programmed as Data direction parameter using the SPI_Init()
+ function it can be possible to switch between SPI_Direction_Tx
+ or SPI_Direction_Rx using the SPI_BiDirectionalLineConfig() function.
+ (++) When SPI_NSS_Soft is selected as Slave Select Management parameter
+ using the SPI_Init() function it can be possible to manage the
+ NSS internal signal using the SPI_NSSInternalSoftwareConfig() function.
+ (++) Reconfigure the data size using the SPI_DataSizeConfig() function.
+ (++) Enable or disable the SS output using the SPI_SSOutputCmd() function.
+
+ (#) To use the CRC Hardware calculation feature refer to the Peripheral
+ CRC hardware Calculation subsection.
+
+ @endverbatim
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_spi.h"
+#include "stm32f0xx_rcc.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup SPI
+ * @brief SPI driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* SPI registers Masks */
+#define CR1_CLEAR_MASK ((uint16_t)0x3040)
+#define CR1_CLEAR_MASK2 ((uint16_t)0xFFFB)
+#define CR2_LDMA_MASK ((uint16_t)0x9FFF)
+
+#define I2SCFGR_CLEAR_Mask ((uint16_t)0xF040)
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup SPI_Private_Functions
+ * @{
+ */
+
+/** @defgroup SPI_Group1 Initialization and Configuration functions
+ * @brief Initialization and Configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Initialization and Configuration functions #####
+ ===============================================================================
+ [..] This section provides a set of functions allowing to initialize the SPI Direction,
+ SPI Mode, SPI Data Size, SPI Polarity, SPI Phase, SPI NSS Management, SPI Baud
+ Rate Prescaler, SPI First Bit and SPI CRC Polynomial.
+
+ [..] The SPI_Init() function follows the SPI configuration procedures for Master mode
+ and Slave mode (details for these procedures are available in reference manual).
+
+ [..] When the Software NSS management (SPI_InitStruct->SPI_NSS = SPI_NSS_Soft) is selected,
+ use the following function to manage the NSS bit:
+ void SPI_NSSInternalSoftwareConfig(SPI_TypeDef* SPIx, uint16_t SPI_NSSInternalSoft);
+
+ [..] In Master mode, when the Hardware NSS management (SPI_InitStruct->SPI_NSS = SPI_NSS_Hard)
+ is selected, use the follwoing function to enable the NSS output feature.
+ void SPI_SSOutputCmd(SPI_TypeDef* SPIx, FunctionalState NewState);
+
+ [..] The NSS pulse mode can be managed by the SPI TI mode when enabling it using the following function:
+ void SPI_TIModeCmd(SPI_TypeDef* SPIx, FunctionalState NewState);
+ And it can be managed by software in the SPI Motorola mode using this function:
+ void SPI_NSSPulseModeCmd(SPI_TypeDef* SPIx, FunctionalState NewState);
+
+ [..] This section provides also functions to initialize the I2S Mode, Standard,
+ Data Format, MCLK Output, Audio frequency and Polarity.
+
+ [..] The I2S_Init() function follows the I2S configuration procedures for Master mode
+ and Slave mode.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Deinitializes the SPIx peripheral registers to their default
+ * reset values.
+ * @param SPIx: where x can be 1 or 2 to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * I2S mode is not supported for STM32F030 devices.
+ * @retval None
+ */
+void SPI_I2S_DeInit(SPI_TypeDef* SPIx)
+{
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+
+ if (SPIx == SPI1)
+ {
+ /* Enable SPI1 reset state */
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_SPI1, ENABLE);
+ /* Release SPI1 from reset state */
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_SPI1, DISABLE);
+ }
+ else
+ {
+ if (SPIx == SPI2)
+ {
+ /* Enable SPI2 reset state */
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_SPI2, ENABLE);
+ /* Release SPI2 from reset state */
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_SPI2, DISABLE);
+ }
+ }
+}
+
+/**
+ * @brief Fills each SPI_InitStruct member with its default value.
+ * @param SPI_InitStruct: pointer to a SPI_InitTypeDef structure which will be initialized.
+ * @retval None
+ */
+void SPI_StructInit(SPI_InitTypeDef* SPI_InitStruct)
+{
+/*--------------- Reset SPI init structure parameters values -----------------*/
+ /* Initialize the SPI_Direction member */
+ SPI_InitStruct->SPI_Direction = SPI_Direction_2Lines_FullDuplex;
+ /* Initialize the SPI_Mode member */
+ SPI_InitStruct->SPI_Mode = SPI_Mode_Slave;
+ /* Initialize the SPI_DataSize member */
+ SPI_InitStruct->SPI_DataSize = SPI_DataSize_8b;
+ /* Initialize the SPI_CPOL member */
+ SPI_InitStruct->SPI_CPOL = SPI_CPOL_Low;
+ /* Initialize the SPI_CPHA member */
+ SPI_InitStruct->SPI_CPHA = SPI_CPHA_1Edge;
+ /* Initialize the SPI_NSS member */
+ SPI_InitStruct->SPI_NSS = SPI_NSS_Hard;
+ /* Initialize the SPI_BaudRatePrescaler member */
+ SPI_InitStruct->SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_2;
+ /* Initialize the SPI_FirstBit member */
+ SPI_InitStruct->SPI_FirstBit = SPI_FirstBit_MSB;
+ /* Initialize the SPI_CRCPolynomial member */
+ SPI_InitStruct->SPI_CRCPolynomial = 7;
+}
+
+/**
+ * @brief Initializes the SPIx peripheral according to the specified
+ * parameters in the SPI_InitStruct.
+ * @param SPIx: where x can be 1 or 2 to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @param SPI_InitStruct: pointer to a SPI_InitTypeDef structure that
+ * contains the configuration information for the specified SPI peripheral.
+ * @retval None
+ */
+void SPI_Init(SPI_TypeDef* SPIx, SPI_InitTypeDef* SPI_InitStruct)
+{
+ uint16_t tmpreg = 0;
+
+ /* check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+
+ /* Check the SPI parameters */
+ assert_param(IS_SPI_DIRECTION_MODE(SPI_InitStruct->SPI_Direction));
+ assert_param(IS_SPI_MODE(SPI_InitStruct->SPI_Mode));
+ assert_param(IS_SPI_DATA_SIZE(SPI_InitStruct->SPI_DataSize));
+ assert_param(IS_SPI_CPOL(SPI_InitStruct->SPI_CPOL));
+ assert_param(IS_SPI_CPHA(SPI_InitStruct->SPI_CPHA));
+ assert_param(IS_SPI_NSS(SPI_InitStruct->SPI_NSS));
+ assert_param(IS_SPI_BAUDRATE_PRESCALER(SPI_InitStruct->SPI_BaudRatePrescaler));
+ assert_param(IS_SPI_FIRST_BIT(SPI_InitStruct->SPI_FirstBit));
+ assert_param(IS_SPI_CRC_POLYNOMIAL(SPI_InitStruct->SPI_CRCPolynomial));
+
+ /*---------------------------- SPIx CR1 Configuration ------------------------*/
+ /* Get the SPIx CR1 value */
+ tmpreg = SPIx->CR1;
+ /* Clear BIDIMode, BIDIOE, RxONLY, SSM, SSI, LSBFirst, BR, CPOL and CPHA bits */
+ tmpreg &= CR1_CLEAR_MASK;
+ /* Configure SPIx: direction, NSS management, first transmitted bit, BaudRate prescaler
+ master/slave mode, CPOL and CPHA */
+ /* Set BIDImode, BIDIOE and RxONLY bits according to SPI_Direction value */
+ /* Set SSM, SSI bit according to SPI_NSS values */
+ /* Set LSBFirst bit according to SPI_FirstBit value */
+ /* Set BR bits according to SPI_BaudRatePrescaler value */
+ /* Set CPOL bit according to SPI_CPOL value */
+ /* Set CPHA bit according to SPI_CPHA value */
+ tmpreg |= (uint16_t)((uint32_t)SPI_InitStruct->SPI_Direction | SPI_InitStruct->SPI_FirstBit |
+ SPI_InitStruct->SPI_CPOL | SPI_InitStruct->SPI_CPHA |
+ SPI_InitStruct->SPI_NSS | SPI_InitStruct->SPI_BaudRatePrescaler);
+ /* Write to SPIx CR1 */
+ SPIx->CR1 = tmpreg;
+ /*-------------------------Data Size Configuration -----------------------*/
+ /* Get the SPIx CR2 value */
+ tmpreg = SPIx->CR2;
+ /* Clear DS[3:0] bits */
+ tmpreg &=(uint16_t)~SPI_CR2_DS;
+ /* Configure SPIx: Data Size */
+ tmpreg |= (uint16_t)(SPI_InitStruct->SPI_DataSize);
+ /* Write to SPIx CR2 */
+ SPIx->CR2 = tmpreg;
+
+ /*---------------------------- SPIx CRCPOLY Configuration --------------------*/
+ /* Write to SPIx CRCPOLY */
+ SPIx->CRCPR = SPI_InitStruct->SPI_CRCPolynomial;
+
+ /*---------------------------- SPIx CR1 Configuration ------------------------*/
+ /* Get the SPIx CR1 value */
+ tmpreg = SPIx->CR1;
+ /* Clear MSTR bit */
+ tmpreg &= CR1_CLEAR_MASK2;
+ /* Configure SPIx: master/slave mode */
+ /* Set MSTR bit according to SPI_Mode */
+ tmpreg |= (uint16_t)((uint32_t)SPI_InitStruct->SPI_Mode);
+ /* Write to SPIx CR1 */
+ SPIx->CR1 = tmpreg;
+
+ /* Activate the SPI mode (Reset I2SMOD bit in I2SCFGR register) */
+ SPIx->I2SCFGR &= (uint16_t)~((uint16_t)SPI_I2SCFGR_I2SMOD);
+}
+
+/**
+ * @brief Fills each I2S_InitStruct member with its default value.
+ * @note This mode is not supported for STM32F030 devices.
+ * @param I2S_InitStruct: pointer to a I2S_InitTypeDef structure which will be initialized.
+ * @retval None
+ */
+void I2S_StructInit(I2S_InitTypeDef* I2S_InitStruct)
+{
+/*--------------- Reset I2S init structure parameters values -----------------*/
+ /* Initialize the I2S_Mode member */
+ I2S_InitStruct->I2S_Mode = I2S_Mode_SlaveTx;
+
+ /* Initialize the I2S_Standard member */
+ I2S_InitStruct->I2S_Standard = I2S_Standard_Phillips;
+
+ /* Initialize the I2S_DataFormat member */
+ I2S_InitStruct->I2S_DataFormat = I2S_DataFormat_16b;
+
+ /* Initialize the I2S_MCLKOutput member */
+ I2S_InitStruct->I2S_MCLKOutput = I2S_MCLKOutput_Disable;
+
+ /* Initialize the I2S_AudioFreq member */
+ I2S_InitStruct->I2S_AudioFreq = I2S_AudioFreq_Default;
+
+ /* Initialize the I2S_CPOL member */
+ I2S_InitStruct->I2S_CPOL = I2S_CPOL_Low;
+}
+
+/**
+ * @brief Initializes the SPIx peripheral according to the specified
+ * parameters in the I2S_InitStruct.
+ * @note This mode is not supported for STM32F030 devices.
+ * @param SPIx: where x can be 1 to select the SPI peripheral (configured in I2S mode).
+ * @param I2S_InitStruct: pointer to an I2S_InitTypeDef structure that
+ * contains the configuration information for the specified SPI peripheral
+ * configured in I2S mode.
+ * @note This function calculates the optimal prescaler needed to obtain the most
+ * accurate audio frequency (depending on the I2S clock source, the PLL values
+ * and the product configuration). But in case the prescaler value is greater
+ * than 511, the default value (0x02) will be configured instead.
+ * @retval None
+ */
+void I2S_Init(SPI_TypeDef* SPIx, I2S_InitTypeDef* I2S_InitStruct)
+{
+ uint16_t tmpreg = 0, i2sdiv = 2, i2sodd = 0, packetlength = 1;
+ uint32_t tmp = 0;
+ RCC_ClocksTypeDef RCC_Clocks;
+ uint32_t sourceclock = 0;
+
+ /* Check the I2S parameters */
+ assert_param(IS_SPI_1_PERIPH(SPIx));
+ assert_param(IS_I2S_MODE(I2S_InitStruct->I2S_Mode));
+ assert_param(IS_I2S_STANDARD(I2S_InitStruct->I2S_Standard));
+ assert_param(IS_I2S_DATA_FORMAT(I2S_InitStruct->I2S_DataFormat));
+ assert_param(IS_I2S_MCLK_OUTPUT(I2S_InitStruct->I2S_MCLKOutput));
+ assert_param(IS_I2S_AUDIO_FREQ(I2S_InitStruct->I2S_AudioFreq));
+ assert_param(IS_I2S_CPOL(I2S_InitStruct->I2S_CPOL));
+
+/*----------------------- SPIx I2SCFGR & I2SPR Configuration -----------------*/
+ /* Clear I2SMOD, I2SE, I2SCFG, PCMSYNC, I2SSTD, CKPOL, DATLEN and CHLEN bits */
+ SPIx->I2SCFGR &= I2SCFGR_CLEAR_Mask;
+ SPIx->I2SPR = 0x0002;
+
+ /* Get the I2SCFGR register value */
+ tmpreg = SPIx->I2SCFGR;
+
+ /* If the default value has to be written, reinitialize i2sdiv and i2sodd*/
+ if(I2S_InitStruct->I2S_AudioFreq == I2S_AudioFreq_Default)
+ {
+ i2sodd = (uint16_t)0;
+ i2sdiv = (uint16_t)2;
+ }
+ /* If the requested audio frequency is not the default, compute the prescaler */
+ else
+ {
+ /* Check the frame length (For the Prescaler computing) */
+ if(I2S_InitStruct->I2S_DataFormat == I2S_DataFormat_16b)
+ {
+ /* Packet length is 16 bits */
+ packetlength = 1;
+ }
+ else
+ {
+ /* Packet length is 32 bits */
+ packetlength = 2;
+ }
+
+ /* I2S Clock source is System clock: Get System Clock frequency */
+ RCC_GetClocksFreq(&RCC_Clocks);
+
+ /* Get the source clock value: based on System Clock value */
+ sourceclock = RCC_Clocks.SYSCLK_Frequency;
+
+ /* Compute the Real divider depending on the MCLK output state with a floating point */
+ if(I2S_InitStruct->I2S_MCLKOutput == I2S_MCLKOutput_Enable)
+ {
+ /* MCLK output is enabled */
+ tmp = (uint16_t)(((((sourceclock / 256) * 10) / I2S_InitStruct->I2S_AudioFreq)) + 5);
+ }
+ else
+ {
+ /* MCLK output is disabled */
+ tmp = (uint16_t)(((((sourceclock / (32 * packetlength)) *10 ) / I2S_InitStruct->I2S_AudioFreq)) + 5);
+ }
+
+ /* Remove the floating point */
+ tmp = tmp / 10;
+
+ /* Check the parity of the divider */
+ i2sodd = (uint16_t)(tmp & (uint16_t)0x0001);
+
+ /* Compute the i2sdiv prescaler */
+ i2sdiv = (uint16_t)((tmp - i2sodd) / 2);
+
+ /* Get the Mask for the Odd bit (SPI_I2SPR[8]) register */
+ i2sodd = (uint16_t) (i2sodd << 8);
+ }
+
+ /* Test if the divider is 1 or 0 or greater than 0xFF */
+ if ((i2sdiv < 2) || (i2sdiv > 0xFF))
+ {
+ /* Set the default values */
+ i2sdiv = 2;
+ i2sodd = 0;
+ }
+
+ /* Write to SPIx I2SPR register the computed value */
+ SPIx->I2SPR = (uint16_t)(i2sdiv | (uint16_t)(i2sodd | (uint16_t)I2S_InitStruct->I2S_MCLKOutput));
+
+ /* Configure the I2S with the SPI_InitStruct values */
+ tmpreg |= (uint16_t)(SPI_I2SCFGR_I2SMOD | (uint16_t)(I2S_InitStruct->I2S_Mode | \
+ (uint16_t)(I2S_InitStruct->I2S_Standard | (uint16_t)(I2S_InitStruct->I2S_DataFormat | \
+ (uint16_t)I2S_InitStruct->I2S_CPOL))));
+
+ /* Write to SPIx I2SCFGR */
+ SPIx->I2SCFGR = tmpreg;
+}
+
+/**
+ * @brief Enables or disables the specified SPI peripheral.
+ * @param SPIx: where x can be 1 or 2 to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @param NewState: new state of the SPIx peripheral.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void SPI_Cmd(SPI_TypeDef* SPIx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected SPI peripheral */
+ SPIx->CR1 |= SPI_CR1_SPE;
+ }
+ else
+ {
+ /* Disable the selected SPI peripheral */
+ SPIx->CR1 &= (uint16_t)~((uint16_t)SPI_CR1_SPE);
+ }
+}
+
+/**
+ * @brief Enables or disables the TI Mode.
+ *
+ * @note This function can be called only after the SPI_Init() function has
+ * been called.
+ * @note When TI mode is selected, the control bits SSM, SSI, CPOL and CPHA
+ * are not taken into consideration and are configured by hardware
+ * respectively to the TI mode requirements.
+ *
+ * @param SPIx: where x can be 1 or 2 to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @param NewState: new state of the selected SPI TI communication mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void SPI_TIModeCmd(SPI_TypeDef* SPIx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the TI mode for the selected SPI peripheral */
+ SPIx->CR2 |= SPI_CR2_FRF;
+ }
+ else
+ {
+ /* Disable the TI mode for the selected SPI peripheral */
+ SPIx->CR2 &= (uint16_t)~((uint16_t)SPI_CR2_FRF);
+ }
+}
+
+/**
+ * @brief Enables or disables the specified SPI peripheral (in I2S mode).
+ * @note This mode is not supported for STM32F030 devices.
+ * @param SPIx: where x can be 1 to select the SPI peripheral.
+ * @param NewState: new state of the SPIx peripheral.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void I2S_Cmd(SPI_TypeDef* SPIx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_SPI_1_PERIPH(SPIx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected SPI peripheral in I2S mode */
+ SPIx->I2SCFGR |= SPI_I2SCFGR_I2SE;
+ }
+ else
+ {
+ /* Disable the selected SPI peripheral in I2S mode */
+ SPIx->I2SCFGR &= (uint16_t)~((uint16_t)SPI_I2SCFGR_I2SE);
+ }
+}
+
+/**
+ * @brief Configures the data size for the selected SPI.
+ * @param SPIx: where x can be 1 or 2 to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @param SPI_DataSize: specifies the SPI data size.
+ * For the SPIx peripheral this parameter can be one of the following values:
+ * @arg SPI_DataSize_4b: Set data size to 4 bits
+ * @arg SPI_DataSize_5b: Set data size to 5 bits
+ * @arg SPI_DataSize_6b: Set data size to 6 bits
+ * @arg SPI_DataSize_7b: Set data size to 7 bits
+ * @arg SPI_DataSize_8b: Set data size to 8 bits
+ * @arg SPI_DataSize_9b: Set data size to 9 bits
+ * @arg SPI_DataSize_10b: Set data size to 10 bits
+ * @arg SPI_DataSize_11b: Set data size to 11 bits
+ * @arg SPI_DataSize_12b: Set data size to 12 bits
+ * @arg SPI_DataSize_13b: Set data size to 13 bits
+ * @arg SPI_DataSize_14b: Set data size to 14 bits
+ * @arg SPI_DataSize_15b: Set data size to 15 bits
+ * @arg SPI_DataSize_16b: Set data size to 16 bits
+ * @retval None
+ */
+void SPI_DataSizeConfig(SPI_TypeDef* SPIx, uint16_t SPI_DataSize)
+{
+ uint16_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+ assert_param(IS_SPI_DATA_SIZE(SPI_DataSize));
+ /* Read the CR2 register */
+ tmpreg = SPIx->CR2;
+ /* Clear DS[3:0] bits */
+ tmpreg &= (uint16_t)~SPI_CR2_DS;
+ /* Set new DS[3:0] bits value */
+ tmpreg |= SPI_DataSize;
+ SPIx->CR2 = tmpreg;
+}
+
+/**
+ * @brief Configures the FIFO reception threshold for the selected SPI.
+ * @param SPIx: where x can be 1 or 2 to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @param SPI_RxFIFOThreshold: specifies the FIFO reception threshold.
+ * This parameter can be one of the following values:
+ * @arg SPI_RxFIFOThreshold_HF: RXNE event is generated if the FIFO
+ * level is greater or equal to 1/2.
+ * @arg SPI_RxFIFOThreshold_QF: RXNE event is generated if the FIFO
+ * level is greater or equal to 1/4.
+ * @retval None
+ */
+void SPI_RxFIFOThresholdConfig(SPI_TypeDef* SPIx, uint16_t SPI_RxFIFOThreshold)
+{
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+ assert_param(IS_SPI_RX_FIFO_THRESHOLD(SPI_RxFIFOThreshold));
+
+ /* Clear FRXTH bit */
+ SPIx->CR2 &= (uint16_t)~((uint16_t)SPI_CR2_FRXTH);
+
+ /* Set new FRXTH bit value */
+ SPIx->CR2 |= SPI_RxFIFOThreshold;
+}
+
+/**
+ * @brief Selects the data transfer direction in bidirectional mode for the specified SPI.
+ * @param SPIx: where x can be 1 or 2 to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @param SPI_Direction: specifies the data transfer direction in bidirectional mode.
+ * This parameter can be one of the following values:
+ * @arg SPI_Direction_Tx: Selects Tx transmission direction
+ * @arg SPI_Direction_Rx: Selects Rx receive direction
+ * @retval None
+ */
+void SPI_BiDirectionalLineConfig(SPI_TypeDef* SPIx, uint16_t SPI_Direction)
+{
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+ assert_param(IS_SPI_DIRECTION(SPI_Direction));
+ if (SPI_Direction == SPI_Direction_Tx)
+ {
+ /* Set the Tx only mode */
+ SPIx->CR1 |= SPI_Direction_Tx;
+ }
+ else
+ {
+ /* Set the Rx only mode */
+ SPIx->CR1 &= SPI_Direction_Rx;
+ }
+}
+
+/**
+ * @brief Configures internally by software the NSS pin for the selected SPI.
+ * @note This function can be called only after the SPI_Init() function has
+ * been called.
+ * @param SPIx: where x can be 1 or 2 to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @param SPI_NSSInternalSoft: specifies the SPI NSS internal state.
+ * This parameter can be one of the following values:
+ * @arg SPI_NSSInternalSoft_Set: Set NSS pin internally
+ * @arg SPI_NSSInternalSoft_Reset: Reset NSS pin internally
+ * @retval None
+ */
+void SPI_NSSInternalSoftwareConfig(SPI_TypeDef* SPIx, uint16_t SPI_NSSInternalSoft)
+{
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+ assert_param(IS_SPI_NSS_INTERNAL(SPI_NSSInternalSoft));
+
+ if (SPI_NSSInternalSoft != SPI_NSSInternalSoft_Reset)
+ {
+ /* Set NSS pin internally by software */
+ SPIx->CR1 |= SPI_NSSInternalSoft_Set;
+ }
+ else
+ {
+ /* Reset NSS pin internally by software */
+ SPIx->CR1 &= SPI_NSSInternalSoft_Reset;
+ }
+}
+
+/**
+ * @brief Enables or disables the SS output for the selected SPI.
+ * @note This function can be called only after the SPI_Init() function has
+ * been called and the NSS hardware management mode is selected.
+ * @param SPIx: where x can be 1 or 2 to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @param NewState: new state of the SPIx SS output.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void SPI_SSOutputCmd(SPI_TypeDef* SPIx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected SPI SS output */
+ SPIx->CR2 |= SPI_CR2_SSOE;
+ }
+ else
+ {
+ /* Disable the selected SPI SS output */
+ SPIx->CR2 &= (uint16_t)~((uint16_t)SPI_CR2_SSOE);
+ }
+}
+
+/**
+ * @brief Enables or disables the NSS pulse management mode.
+ * @note This function can be called only after the SPI_Init() function has
+ * been called.
+ * @note When TI mode is selected, the control bits NSSP is not taken into
+ * consideration and are configured by hardware respectively to the
+ * TI mode requirements.
+ * @param SPIx: where x can be 1 or 2 to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @param NewState: new state of the NSS pulse management mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void SPI_NSSPulseModeCmd(SPI_TypeDef* SPIx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the NSS pulse management mode */
+ SPIx->CR2 |= SPI_CR2_NSSP;
+ }
+ else
+ {
+ /* Disable the NSS pulse management mode */
+ SPIx->CR2 &= (uint16_t)~((uint16_t)SPI_CR2_NSSP);
+ }
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup SPI_Group2 Data transfers functions
+ * @brief Data transfers functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Data transfers functions #####
+ ===============================================================================
+ [..] This section provides a set of functions allowing to manage the SPI or I2S
+ data transfers.
+
+ [..] In reception, data are received and then stored into an internal Rx buffer while
+ In transmission, data are first stored into an internal Tx buffer before being
+ transmitted.
+
+ [..] The read access of the SPI_DR register can be done using
+ SPI_ReceiveData8() (when data size is equal or inferior than 8bits) and.
+ SPI_I2S_ReceiveData16() (when data size is superior than 8bits)function
+ and returns the Rx buffered value. Whereas a write access to the SPI_DR
+ can be done using SPI_SendData8() (when data size is equal or inferior than 8bits)
+ and SPI_I2S_SendData16() (when data size is superior than 8bits) function
+ and stores the written data into Tx buffer.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Transmits a Data through the SPIx/I2Sx peripheral.
+ * @param SPIx: where x can be 1 or 2 in SPI mode to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @param Data: Data to be transmitted.
+ * @retval None
+ */
+void SPI_SendData8(SPI_TypeDef* SPIx, uint8_t Data)
+{
+ uint32_t spixbase = 0x00;
+
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+
+ spixbase = (uint32_t)SPIx;
+ spixbase += 0x0C;
+
+ *(__IO uint8_t *) spixbase = Data;
+}
+
+/**
+ * @brief Transmits a Data through the SPIx/I2Sx peripheral.
+ * @param SPIx: where x can be 1 or 2 in SPI mode or 1 in I2S mode to select
+ * the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @param Data: Data to be transmitted.
+ * @retval None
+ */
+void SPI_I2S_SendData16(SPI_TypeDef* SPIx, uint16_t Data)
+{
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+
+ SPIx->DR = (uint16_t)Data;
+}
+
+/**
+ * @brief Returns the most recent received data by the SPIx/I2Sx peripheral.
+ * @param SPIx: where x can be 1 or 2 in SPI mode to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @retval The value of the received data.
+ */
+uint8_t SPI_ReceiveData8(SPI_TypeDef* SPIx)
+{
+ uint32_t spixbase = 0x00;
+
+ spixbase = (uint32_t)SPIx;
+ spixbase += 0x0C;
+
+ return *(__IO uint8_t *) spixbase;
+}
+
+/**
+ * @brief Returns the most recent received data by the SPIx peripheral.
+ * @param SPIx: where x can be 1 or 2 in SPI mode or 1 in I2S mode to select
+ * @note SPI2 is not available for STM32F031 devices.
+ * the SPI peripheral.
+ * @retval The value of the received data.
+ */
+uint16_t SPI_I2S_ReceiveData16(SPI_TypeDef* SPIx)
+{
+ return SPIx->DR;
+}
+/**
+ * @}
+ */
+
+/** @defgroup SPI_Group3 Hardware CRC Calculation functions
+ * @brief Hardware CRC Calculation functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Hardware CRC Calculation functions #####
+ ===============================================================================
+ [..] This section provides a set of functions allowing to manage the SPI CRC hardware
+ calculation.SPI communication using CRC is possible through the following procedure:
+
+ (#) Program the Data direction, Polarity, Phase, First Data, Baud Rate Prescaler,
+ Slave Management, Peripheral Mode and CRC Polynomial values using the SPI_Init()
+ function.
+ (#) Enable the CRC calculation using the SPI_CalculateCRC() function.
+ (#) Enable the SPI using the SPI_Cmd() function
+ (#) Before writing the last data to the TX buffer, set the CRCNext bit using the
+ SPI_TransmitCRC() function to indicate that after transmission of the last
+ data, the CRC should be transmitted.
+ (#) After transmitting the last data, the SPI transmits the CRC. The SPI_CR1_CRCNEXT
+ bit is reset. The CRC is also received and compared against the SPI_RXCRCR
+ value.
+ If the value does not match, the SPI_FLAG_CRCERR flag is set and an interrupt
+ can be generated when the SPI_I2S_IT_ERR interrupt is enabled.
+
+ -@-
+ (+@) It is advised to don't read the calculate CRC values during the communication.
+ (+@) When the SPI is in slave mode, be careful to enable CRC calculation only
+ when the clock is stable, that is, when the clock is in the steady state.
+ If not, a wrong CRC calculation may be done. In fact, the CRC is sensitive
+ to the SCK slave input clock as soon as CRCEN is set, and this, whatever
+ the value of the SPE bit.
+ (+@) With high bitrate frequencies, be careful when transmitting the CRC.
+ As the number of used CPU cycles has to be as low as possible in the CRC
+ transfer phase, it is forbidden to call software functions in the CRC
+ transmission sequence to avoid errors in the last data and CRC reception.
+ In fact, CRCNEXT bit has to be written before the end of the transmission/reception
+ of the last data.
+ (+@) For high bit rate frequencies, it is advised to use the DMA mode to avoid the
+ degradation of the SPI speed performance due to CPU accesses impacting the
+ SPI bandwidth.
+ (+@) When the STM32F0xx are configured as slaves and the NSS hardware mode is
+ used, the NSS pin needs to be kept low between the data phase and the CRC
+ phase.
+ (+@) When the SPI is configured in slave mode with the CRC feature enabled, CRC
+ calculation takes place even if a high level is applied on the NSS pin.
+ This may happen for example in case of a multislave environment where the
+ communication master addresses slaves alternately.
+ (+@) Between a slave deselection (high level on NSS) and a new slave selection
+ (low level on NSS), the CRC value should be cleared on both master and slave
+ sides in order to resynchronize the master and slave for their respective
+ CRC calculation.
+
+ -@- To clear the CRC, follow the procedure below:
+ (#@) Disable SPI using the SPI_Cmd() function
+ (#@) Disable the CRC calculation using the SPI_CalculateCRC() function.
+ (#@) Enable the CRC calculation using the SPI_CalculateCRC() function.
+ (#@) Enable SPI using the SPI_Cmd() function.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Configures the CRC calculation length for the selected SPI.
+ * @note This function can be called only after the SPI_Init() function has
+ * been called.
+ * @param SPIx: where x can be 1 or 2 to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @param SPI_CRCLength: specifies the SPI CRC calculation length.
+ * This parameter can be one of the following values:
+ * @arg SPI_CRCLength_8b: Set CRC Calculation to 8 bits
+ * @arg SPI_CRCLength_16b: Set CRC Calculation to 16 bits
+ * @retval None
+ */
+void SPI_CRCLengthConfig(SPI_TypeDef* SPIx, uint16_t SPI_CRCLength)
+{
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+ assert_param(IS_SPI_CRC_LENGTH(SPI_CRCLength));
+
+ /* Clear CRCL bit */
+ SPIx->CR1 &= (uint16_t)~((uint16_t)SPI_CR1_CRCL);
+
+ /* Set new CRCL bit value */
+ SPIx->CR1 |= SPI_CRCLength;
+}
+
+/**
+ * @brief Enables or disables the CRC value calculation of the transferred bytes.
+ * @note This function can be called only after the SPI_Init() function has
+ * been called.
+ * @param SPIx: where x can be 1 or 2 to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @param NewState: new state of the SPIx CRC value calculation.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void SPI_CalculateCRC(SPI_TypeDef* SPIx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected SPI CRC calculation */
+ SPIx->CR1 |= SPI_CR1_CRCEN;
+ }
+ else
+ {
+ /* Disable the selected SPI CRC calculation */
+ SPIx->CR1 &= (uint16_t)~((uint16_t)SPI_CR1_CRCEN);
+ }
+}
+
+/**
+ * @brief Transmit the SPIx CRC value.
+ * @param SPIx: where x can be 1 or 2 to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @retval None
+ */
+void SPI_TransmitCRC(SPI_TypeDef* SPIx)
+{
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+
+ /* Enable the selected SPI CRC transmission */
+ SPIx->CR1 |= SPI_CR1_CRCNEXT;
+}
+
+/**
+ * @brief Returns the transmit or the receive CRC register value for the specified SPI.
+ * @param SPIx: where x can be 1 or 2 to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @param SPI_CRC: specifies the CRC register to be read.
+ * This parameter can be one of the following values:
+ * @arg SPI_CRC_Tx: Selects Tx CRC register
+ * @arg SPI_CRC_Rx: Selects Rx CRC register
+ * @retval The selected CRC register value..
+ */
+uint16_t SPI_GetCRC(SPI_TypeDef* SPIx, uint8_t SPI_CRC)
+{
+ uint16_t crcreg = 0;
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+ assert_param(IS_SPI_CRC(SPI_CRC));
+
+ if (SPI_CRC != SPI_CRC_Rx)
+ {
+ /* Get the Tx CRC register */
+ crcreg = SPIx->TXCRCR;
+ }
+ else
+ {
+ /* Get the Rx CRC register */
+ crcreg = SPIx->RXCRCR;
+ }
+ /* Return the selected CRC register */
+ return crcreg;
+}
+
+/**
+ * @brief Returns the CRC Polynomial register value for the specified SPI.
+ * @param SPIx: where x can be 1 or 2 to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @retval The CRC Polynomial register value.
+ */
+uint16_t SPI_GetCRCPolynomial(SPI_TypeDef* SPIx)
+{
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+
+ /* Return the CRC polynomial register */
+ return SPIx->CRCPR;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup SPI_Group4 DMA transfers management functions
+ * @brief DMA transfers management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### DMA transfers management functions #####
+ ===============================================================================
+ [..] This section provides two functions that can be used only in DMA mode.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the SPIx/I2Sx DMA interface.
+ * @param SPIx: where x can be 1 or 2 in SPI mode or 1 in I2S mode to select
+ * the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * I2S mode is not supported for STM32F030 devices.
+ * @param SPI_I2S_DMAReq: specifies the SPI DMA transfer request to be enabled or disabled.
+ * This parameter can be any combination of the following values:
+ * @arg SPI_I2S_DMAReq_Tx: Tx buffer DMA transfer request
+ * @arg SPI_I2S_DMAReq_Rx: Rx buffer DMA transfer request
+ * @param NewState: new state of the selected SPI DMA transfer request.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void SPI_I2S_DMACmd(SPI_TypeDef* SPIx, uint16_t SPI_I2S_DMAReq, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+ assert_param(IS_SPI_I2S_DMA_REQ(SPI_I2S_DMAReq));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected SPI DMA requests */
+ SPIx->CR2 |= SPI_I2S_DMAReq;
+ }
+ else
+ {
+ /* Disable the selected SPI DMA requests */
+ SPIx->CR2 &= (uint16_t)~SPI_I2S_DMAReq;
+ }
+}
+
+/**
+ * @brief Configures the number of data to transfer type(Even/Odd) for the DMA
+ * last transfers and for the selected SPI.
+ * @note This function have a meaning only if DMA mode is selected and if
+ * the packing mode is used (data length <= 8 and DMA transfer size halfword)
+ * @param SPIx: where x can be 1 or 2 to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @param SPI_LastDMATransfer: specifies the SPI last DMA transfers state.
+ * This parameter can be one of the following values:
+ * @arg SPI_LastDMATransfer_TxEvenRxEven: Number of data for transmission Even
+ * and number of data for reception Even.
+ * @arg SPI_LastDMATransfer_TxOddRxEven: Number of data for transmission Odd
+ * and number of data for reception Even.
+ * @arg SPI_LastDMATransfer_TxEvenRxOdd: Number of data for transmission Even
+ * and number of data for reception Odd.
+ * @arg SPI_LastDMATransfer_TxOddRxOdd: Number of data for transmission Odd
+ * and number of data for reception Odd.
+ * @retval None
+ */
+void SPI_LastDMATransferCmd(SPI_TypeDef* SPIx, uint16_t SPI_LastDMATransfer)
+{
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+ assert_param(IS_SPI_LAST_DMA_TRANSFER(SPI_LastDMATransfer));
+
+ /* Clear LDMA_TX and LDMA_RX bits */
+ SPIx->CR2 &= CR2_LDMA_MASK;
+
+ /* Set new LDMA_TX and LDMA_RX bits value */
+ SPIx->CR2 |= SPI_LastDMATransfer;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup SPI_Group5 Interrupts and flags management functions
+ * @brief Interrupts and flags management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Interrupts and flags management functions #####
+ ===============================================================================
+ [..] This section provides a set of functions allowing to configure the SPI/I2S Interrupts
+ sources and check or clear the flags or pending bits status.
+ The user should identify which mode will be used in his application to manage
+ the communication: Polling mode, Interrupt mode or DMA mode.
+
+ *** Polling Mode ***
+ ====================
+ [..] In Polling Mode, the SPI/I2S communication can be managed by 9 flags:
+ (#) SPI_I2S_FLAG_TXE : to indicate the status of the transmit buffer register
+ (#) SPI_I2S_FLAG_RXNE : to indicate the status of the receive buffer register
+ (#) SPI_I2S_FLAG_BSY : to indicate the state of the communication layer of the SPI.
+ (#) SPI_FLAG_CRCERR : to indicate if a CRC Calculation error occur
+ (#) SPI_FLAG_MODF : to indicate if a Mode Fault error occur
+ (#) SPI_I2S_FLAG_OVR : to indicate if an Overrun error occur
+ (#) SPI_I2S_FLAG_FRE: to indicate a Frame Format error occurs.
+ (#) I2S_FLAG_UDR: to indicate an Underrun error occurs.
+ (#) I2S_FLAG_CHSIDE: to indicate Channel Side.
+
+ [..]
+ (@)Do not use the BSY flag to handle each data transmission or reception. It is better
+ to use the TXE and RXNE flags instead.
+
+ [..] In this Mode it is advised to use the following functions:
+ (+) FlagStatus SPI_I2S_GetFlagStatus(SPI_TypeDef* SPIx, uint16_t SPI_I2S_FLAG);
+ (+) void SPI_I2S_ClearFlag(SPI_TypeDef* SPIx, uint16_t SPI_I2S_FLAG);
+
+ *** Interrupt Mode ***
+ ======================
+ [..] In Interrupt Mode, the SPI/I2S communication can be managed by 3 interrupt sources
+ and 5 pending bits:
+ [..] Pending Bits:
+ (#) SPI_I2S_IT_TXE : to indicate the status of the transmit buffer register
+ (#) SPI_I2S_IT_RXNE : to indicate the status of the receive buffer register
+ (#) SPI_I2S_IT_OVR : to indicate if an Overrun error occur
+ (#) I2S_IT_UDR : to indicate an Underrun Error occurs.
+ (#) SPI_I2S_FLAG_FRE : to indicate a Frame Format error occurs.
+
+ [..] Interrupt Source:
+ (#) SPI_I2S_IT_TXE: specifies the interrupt source for the Tx buffer empty
+ interrupt.
+ (#) SPI_I2S_IT_RXNE : specifies the interrupt source for the Rx buffer not
+ empty interrupt.
+ (#) SPI_I2S_IT_ERR : specifies the interrupt source for the errors interrupt.
+
+ [..] In this Mode it is advised to use the following functions:
+ (+) void SPI_I2S_ITConfig(SPI_TypeDef* SPIx, uint8_t SPI_I2S_IT, FunctionalState NewState);
+ (+) ITStatus SPI_I2S_GetITStatus(SPI_TypeDef* SPIx, uint8_t SPI_I2S_IT);
+
+ *** FIFO Status ***
+ ===================
+ [..] It is possible to monitor the FIFO status when a transfer is ongoing using the
+ following function:
+ (+) uint32_t SPI_GetFIFOStatus(uint8_t SPI_FIFO_Direction);
+
+ *** DMA Mode ***
+ ================
+ [..] In DMA Mode, the SPI communication can be managed by 2 DMA Channel
+ requests:
+ (#) SPI_I2S_DMAReq_Tx: specifies the Tx buffer DMA transfer request.
+ (#) SPI_I2S_DMAReq_Rx: specifies the Rx buffer DMA transfer request.
+
+ [..] In this Mode it is advised to use the following function:
+ (+) void SPI_I2S_DMACmd(SPI_TypeDef* SPIx, uint16_t SPI_I2S_DMAReq, FunctionalState NewState).
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the specified SPI/I2S interrupts.
+ * @param SPIx: where x can be 1 or 2 in SPI mode or 1 in I2S mode to select
+ * the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * I2S mode is not supported for STM32F030 devices.
+ * @param SPI_I2S_IT: specifies the SPI interrupt source to be enabled or disabled.
+ * This parameter can be one of the following values:
+ * @arg SPI_I2S_IT_TXE: Tx buffer empty interrupt mask
+ * @arg SPI_I2S_IT_RXNE: Rx buffer not empty interrupt mask
+ * @arg SPI_I2S_IT_ERR: Error interrupt mask
+ * @param NewState: new state of the specified SPI interrupt.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void SPI_I2S_ITConfig(SPI_TypeDef* SPIx, uint8_t SPI_I2S_IT, FunctionalState NewState)
+{
+ uint16_t itpos = 0, itmask = 0 ;
+
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+ assert_param(IS_SPI_I2S_CONFIG_IT(SPI_I2S_IT));
+
+ /* Get the SPI IT index */
+ itpos = SPI_I2S_IT >> 4;
+
+ /* Set the IT mask */
+ itmask = (uint16_t)1 << (uint16_t)itpos;
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected SPI interrupt */
+ SPIx->CR2 |= itmask;
+ }
+ else
+ {
+ /* Disable the selected SPI interrupt */
+ SPIx->CR2 &= (uint16_t)~itmask;
+ }
+}
+
+/**
+ * @brief Returns the current SPIx Transmission FIFO filled level.
+ * @param SPIx: where x can be 1 or 2 to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @retval The Transmission FIFO filling state.
+ * - SPI_TransmissionFIFOStatus_Empty: when FIFO is empty
+ * - SPI_TransmissionFIFOStatus_1QuarterFull: if more than 1 quarter-full.
+ * - SPI_TransmissionFIFOStatus_HalfFull: if more than 1 half-full.
+ * - SPI_TransmissionFIFOStatus_Full: when FIFO is full.
+ */
+uint16_t SPI_GetTransmissionFIFOStatus(SPI_TypeDef* SPIx)
+{
+ /* Get the SPIx Transmission FIFO level bits */
+ return (uint16_t)((SPIx->SR & SPI_SR_FTLVL));
+}
+
+/**
+ * @brief Returns the current SPIx Reception FIFO filled level.
+ * @param SPIx: where x can be 1 or 2 to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * @retval The Reception FIFO filling state.
+ * - SPI_ReceptionFIFOStatus_Empty: when FIFO is empty
+ * - SPI_ReceptionFIFOStatus_1QuarterFull: if more than 1 quarter-full.
+ * - SPI_ReceptionFIFOStatus_HalfFull: if more than 1 half-full.
+ * - SPI_ReceptionFIFOStatus_Full: when FIFO is full.
+ */
+uint16_t SPI_GetReceptionFIFOStatus(SPI_TypeDef* SPIx)
+{
+ /* Get the SPIx Reception FIFO level bits */
+ return (uint16_t)((SPIx->SR & SPI_SR_FRLVL));
+}
+
+/**
+ * @brief Checks whether the specified SPI flag is set or not.
+ * @param SPIx: where x can be 1 or 2 in SPI mode or 1 in I2S mode to select
+ * the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * I2S mode is not supported for STM32F030 devices.
+ * @param SPI_I2S_FLAG: specifies the SPI flag to check.
+ * This parameter can be one of the following values:
+ * @arg SPI_I2S_FLAG_TXE: Transmit buffer empty flag.
+ * @arg SPI_I2S_FLAG_RXNE: Receive buffer not empty flag.
+ * @arg SPI_I2S_FLAG_BSY: Busy flag.
+ * @arg SPI_I2S_FLAG_OVR: Overrun flag.
+ * @arg SPI_FLAG_MODF: Mode Fault flag.
+ * @arg SPI_FLAG_CRCERR: CRC Error flag.
+ * @arg SPI_I2S_FLAG_FRE: TI frame format error flag.
+ * @arg I2S_FLAG_UDR: Underrun Error flag.
+ * @arg I2S_FLAG_CHSIDE: Channel Side flag.
+ * @retval The new state of SPI_I2S_FLAG (SET or RESET).
+ */
+FlagStatus SPI_I2S_GetFlagStatus(SPI_TypeDef* SPIx, uint16_t SPI_I2S_FLAG)
+{
+ FlagStatus bitstatus = RESET;
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+ assert_param(IS_SPI_I2S_GET_FLAG(SPI_I2S_FLAG));
+
+ /* Check the status of the specified SPI flag */
+ if ((SPIx->SR & SPI_I2S_FLAG) != (uint16_t)RESET)
+ {
+ /* SPI_I2S_FLAG is set */
+ bitstatus = SET;
+ }
+ else
+ {
+ /* SPI_I2S_FLAG is reset */
+ bitstatus = RESET;
+ }
+ /* Return the SPI_I2S_FLAG status */
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the SPIx CRC Error (CRCERR) flag.
+ * @param SPIx: where x can be 1 or 2 to select the SPI peripheral.
+ * @note SPI2 is not available for STM32F031 devices.
+ * I2S mode is not supported for STM32F030 devices.
+ * @param SPI_I2S_FLAG: specifies the SPI flag to clear.
+ * This function clears only CRCERR flag.
+ * @note OVR (OverRun error) flag is cleared by software sequence: a read
+ * operation to SPI_DR register (SPI_I2S_ReceiveData()) followed by
+ * a read operation to SPI_SR register (SPI_I2S_GetFlagStatus()).
+ * @note MODF (Mode Fault) flag is cleared by software sequence: a read/write
+ * operation to SPI_SR register (SPI_I2S_GetFlagStatus()) followed by
+ * a write operation to SPI_CR1 register (SPI_Cmd() to enable the SPI).
+ * @retval None
+ */
+void SPI_I2S_ClearFlag(SPI_TypeDef* SPIx, uint16_t SPI_I2S_FLAG)
+{
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+ assert_param(IS_SPI_CLEAR_FLAG(SPI_I2S_FLAG));
+
+ /* Clear the selected SPI CRC Error (CRCERR) flag */
+ SPIx->SR = (uint16_t)~SPI_I2S_FLAG;
+}
+
+/**
+ * @brief Checks whether the specified SPI/I2S interrupt has occurred or not.
+ * @param SPIx: where x can be 1 or 2 in SPI mode or 1 in I2S mode to select
+ * the SPI peripheral.
+ * @param SPI_I2S_IT: specifies the SPI interrupt source to check.
+ * This parameter can be one of the following values:
+ * @arg SPI_I2S_IT_TXE: Transmit buffer empty interrupt.
+ * @arg SPI_I2S_IT_RXNE: Receive buffer not empty interrupt.
+ * @arg SPI_IT_MODF: Mode Fault interrupt.
+ * @arg SPI_I2S_IT_OVR: Overrun interrupt.
+ * @arg I2S_IT_UDR: Underrun interrupt.
+ * @arg SPI_I2S_IT_FRE: Format Error interrupt.
+ * @retval The new state of SPI_I2S_IT (SET or RESET).
+ */
+ITStatus SPI_I2S_GetITStatus(SPI_TypeDef* SPIx, uint8_t SPI_I2S_IT)
+{
+ ITStatus bitstatus = RESET;
+ uint16_t itpos = 0, itmask = 0, enablestatus = 0;
+
+ /* Check the parameters */
+ assert_param(IS_SPI_ALL_PERIPH(SPIx));
+ assert_param(IS_SPI_I2S_GET_IT(SPI_I2S_IT));
+
+ /* Get the SPI_I2S_IT index */
+ itpos = 0x01 << (SPI_I2S_IT & 0x0F);
+
+ /* Get the SPI_I2S_IT IT mask */
+ itmask = SPI_I2S_IT >> 4;
+
+ /* Set the IT mask */
+ itmask = 0x01 << itmask;
+
+ /* Get the SPI_I2S_IT enable bit status */
+ enablestatus = (SPIx->CR2 & itmask) ;
+
+ /* Check the status of the specified SPI interrupt */
+ if (((SPIx->SR & itpos) != (uint16_t)RESET) && enablestatus)
+ {
+ /* SPI_I2S_IT is set */
+ bitstatus = SET;
+ }
+ else
+ {
+ /* SPI_I2S_IT is reset */
+ bitstatus = RESET;
+ }
+ /* Return the SPI_I2S_IT status */
+ return bitstatus;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_syscfg.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_syscfg.c
new file mode 100644
index 00000000..64a5cf32
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_syscfg.c
@@ -0,0 +1,420 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_syscfg.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the SYSCFG peripheral:
+ * + Remapping the memory mapped at 0x00000000
+ * + Remapping the DMA channels
+ * + Enabling I2C fast mode plus driving capability for I2C pins
+ * + Configuring the EXTI lines connection to the GPIO port
+ * + Configuring the CFGR2 features (Connecting some internal signal
+ * to the break input of TIM1)
+ *
+ * @verbatim
+ ===============================================================================
+ ##### How to use this driver #####
+ ===============================================================================
+ [..]
+ The SYSCFG registers can be accessed only when the SYSCFG
+ interface APB clock is enabled.
+ To enable SYSCFG APB clock use:
+ RCC_APBPeriphClockCmd(RCC_APBPeriph_SYSCFG, ENABLE).
+ * @endverbatim
+ *
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_syscfg.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup SYSCFG
+ * @brief SYSCFG driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup SYSCFG_Private_Functions
+ * @{
+ */
+
+/** @defgroup SYSCFG_Group1 SYSCFG Initialization and Configuration functions
+ * @brief SYSCFG Initialization and Configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### SYSCFG Initialization and Configuration functions #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Deinitializes the SYSCFG registers to their default reset values.
+ * @param None
+ * @retval None
+ * @note MEM_MODE bits are not affected by APB reset.
+ * @note MEM_MODE bits took the value from the user option bytes.
+ * @note CFGR2 register is not affected by APB reset.
+ * @note CLABBB configuration bits are locked when set.
+ * @note To unlock the configuration, perform a system reset.
+ */
+void SYSCFG_DeInit(void)
+{
+ /* Set SYSCFG_CFGR1 register to reset value without affecting MEM_MODE bits */
+ SYSCFG->CFGR1 &= SYSCFG_CFGR1_MEM_MODE;
+ /* Set EXTICRx registers to reset value */
+ SYSCFG->EXTICR[0] = 0;
+ SYSCFG->EXTICR[1] = 0;
+ SYSCFG->EXTICR[2] = 0;
+ SYSCFG->EXTICR[3] = 0;
+ /* Set CFGR2 register to reset value: clear SRAM parity error flag */
+ SYSCFG->CFGR2 |= (uint32_t) SYSCFG_CFGR2_SRAM_PE;
+}
+
+/**
+ * @brief Configures the memory mapping at address 0x00000000.
+ * @param SYSCFG_MemoryRemap: selects the memory remapping.
+ * This parameter can be one of the following values:
+ * @arg SYSCFG_MemoryRemap_Flash: Main Flash memory mapped at 0x00000000
+ * @arg SYSCFG_MemoryRemap_SystemMemory: System Flash memory mapped at 0x00000000
+ * @arg SYSCFG_MemoryRemap_SRAM: Embedded SRAM mapped at 0x00000000
+ * @retval None
+ */
+void SYSCFG_MemoryRemapConfig(uint32_t SYSCFG_MemoryRemap)
+{
+ uint32_t tmpctrl = 0;
+
+ /* Check the parameter */
+ assert_param(IS_SYSCFG_MEMORY_REMAP(SYSCFG_MemoryRemap));
+
+ /* Get CFGR1 register value */
+ tmpctrl = SYSCFG->CFGR1;
+
+ /* Clear MEM_MODE bits */
+ tmpctrl &= (uint32_t) (~SYSCFG_CFGR1_MEM_MODE);
+
+ /* Set the new MEM_MODE bits value */
+ tmpctrl |= (uint32_t) SYSCFG_MemoryRemap;
+
+ /* Set CFGR1 register with the new memory remap configuration */
+ SYSCFG->CFGR1 = tmpctrl;
+}
+
+/**
+ * @brief Configure the DMA channels remapping.
+ * @param SYSCFG_DMARemap: selects the DMA channels remap.
+ * This parameter can be one of the following values:
+ * @arg SYSCFG_DMARemap_TIM17: Remap TIM17 DMA requests from channel1 to channel2
+ * @arg SYSCFG_DMARemap_TIM16: Remap TIM16 DMA requests from channel3 to channel4
+ * @arg SYSCFG_DMARemap_USART1Rx: Remap USART1 Rx DMA requests from channel3 to channel5
+ * @arg SYSCFG_DMARemap_USART1Tx: Remap USART1 Tx DMA requests from channel2 to channel4
+ * @arg SYSCFG_DMARemap_ADC1: Remap ADC1 DMA requests from channel1 to channel2
+ * @param NewState: new state of the DMA channel remapping.
+ * This parameter can be: ENABLE or DISABLE.
+ * @note When enabled, DMA channel of the selected peripheral is remapped
+ * @note When disabled, Default DMA channel is mapped to the selected peripheral
+ * @note By default TIM17 DMA requests is mapped to channel 1,
+ * use SYSCFG_DMAChannelRemapConfig(SYSCFG_DMARemap_TIM17, Enable) to remap
+ * TIM17 DMA requests to channel 2 and use
+ * SYSCFG_DMAChannelRemapConfig(SYSCFG_DMARemap_TIM17, Disable) to map
+ * TIM17 DMA requests to channel 1 (default mapping)
+ * @note This function is only used for STM32F030, STM32F031, STM32F042, STM32F072 and STM32F051 devices.
+ * @retval None
+ */
+void SYSCFG_DMAChannelRemapConfig(uint32_t SYSCFG_DMARemap, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_SYSCFG_DMA_REMAP(SYSCFG_DMARemap));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Remap the DMA channel */
+ SYSCFG->CFGR1 |= (uint32_t)SYSCFG_DMARemap;
+ }
+ else
+ {
+ /* use the default DMA channel mapping */
+ SYSCFG->CFGR1 &= (uint32_t)(~SYSCFG_DMARemap);
+ }
+}
+
+/**
+ * @brief Configure the I2C fast mode plus driving capability.
+ * @param SYSCFG_I2CFastModePlus: selects the pin.
+ * This parameter can be one of the following values:
+ * @arg SYSCFG_I2CFastModePlus_PB6: Configure fast mode plus driving capability for PB6
+ * @arg SYSCFG_I2CFastModePlus_PB7: Configure fast mode plus driving capability for PB7
+ * @arg SYSCFG_I2CFastModePlus_PB8: Configure fast mode plus driving capability for PB8
+ * @arg SYSCFG_I2CFastModePlus_PB9: Configure fast mode plus driving capability for PB9
+ * @arg SYSCFG_I2CFastModePlus_PA9: Configure fast mode plus driving capability for PA9 (only for STM32F031 and STM32F030 devices)
+ * @arg SYSCFG_I2CFastModePlus_PA10: Configure fast mode plus driving capability for PA10 (only for STM32F031 and STM32F030 devices)
+ * @arg SYSCFG_I2CFastModePlus_I2C1: Configure fast mode plus driving capability for PB10, PB11, PF6 and PF7(only for STM32F031 and STM32F030 devices)
+ * @arg SYSCFG_I2CFastModePlus_I2C2: Configure fast mode plus driving capability for I2C2 pins, available only for STM32F072 devices
+ *
+ * @param NewState: new state of the DMA channel remapping.
+ * This parameter can be: ENABLE or DISABLE.
+ * @note ENABLE: Enable fast mode plus driving capability for selected I2C pin
+ * @note DISABLE: Disable fast mode plus driving capability for selected I2C pin
+ * @note For I2C1, fast mode plus driving capability can be enabled on all selected
+ * I2C1 pins using SYSCFG_I2CFastModePlus_I2C1 parameter or independently
+ * on each one of the following pins PB6, PB7, PB8 and PB9.
+ * @note For remaining I2C1 pins (PA14, PA15...) fast mode plus driving capability
+ * can be enabled only by using SYSCFG_I2CFastModePlus_I2C1 parameter.
+ * @note For all I2C2 pins fast mode plus driving capability can be enabled
+ * only by using SYSCFG_I2CFastModePlus_I2C2 parameter.
+ * @retval None
+ */
+void SYSCFG_I2CFastModePlusConfig(uint32_t SYSCFG_I2CFastModePlus, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_SYSCFG_I2C_FMP(SYSCFG_I2CFastModePlus));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable fast mode plus driving capability for selected pin */
+ SYSCFG->CFGR1 |= (uint32_t)SYSCFG_I2CFastModePlus;
+ }
+ else
+ {
+ /* Disable fast mode plus driving capability for selected pin */
+ SYSCFG->CFGR1 &= (uint32_t)(~SYSCFG_I2CFastModePlus);
+ }
+}
+
+/** @brief select the modulation envelope source
+ * @param SYSCFG_IRDAEnv: select the envelope source.
+ * This parameter can be a value
+ * @arg SYSCFG_IRDA_ENV_SEL_TIM16
+ * @arg SYSCFG_IRDA_ENV_SEL_USART1
+ * @arg SYSCFG_IRDA_ENV_SEL_USART4
+ * @retval None
+ */
+void SYSCFG_IRDAEnvSelection(uint32_t SYSCFG_IRDAEnv)
+{
+ /* Check the parameters */
+ assert_param(IS_SYSCFG_IRDA_ENV(SYSCFG_IRDAEnv));
+
+ SYSCFG->CFGR1 &= ~(SYSCFG_CFGR1_IRDA_ENV_SEL);
+ SYSCFG->CFGR1 |= (SYSCFG_IRDAEnv);
+}
+
+/**
+ * @brief Selects the GPIO pin used as EXTI Line.
+ * @param EXTI_PortSourceGPIOx: selects the GPIO port to be used as source
+ * for EXTI lines where x can be (A, B, C, D, E or F).
+ * @note GPIOE is available only for STM32F072.
+ * @note GPIOD is not available for STM32F031.
+ * @param EXTI_PinSourcex: specifies the EXTI line to be configured.
+ * @note This parameter can be EXTI_PinSourcex where x can be:
+ * For STM32F051 and STM32F030: (0..15) for GPIOA, GPIOB, GPIOC, (2) for GPIOD and (0..1, 4..7) for GIIOF.
+ * For STM32F072: (0..15) for GPIOA, GPIOB, GPIOC, GPIOD, GPIOE, (0..10) for GPIOF.
+ * For STM32F031: (0..15) for GPIOA, GPIOB, (13..15) for GPIOC and (0..1, 6..7) for GPIOF.
+ * @retval None
+ */
+void SYSCFG_EXTILineConfig(uint8_t EXTI_PortSourceGPIOx, uint8_t EXTI_PinSourcex)
+{
+ uint32_t tmp = 0x00;
+
+ /* Check the parameters */
+ assert_param(IS_EXTI_PORT_SOURCE(EXTI_PortSourceGPIOx));
+ assert_param(IS_EXTI_PIN_SOURCE(EXTI_PinSourcex));
+
+ tmp = ((uint32_t)0x0F) << (0x04 * (EXTI_PinSourcex & (uint8_t)0x03));
+ SYSCFG->EXTICR[EXTI_PinSourcex >> 0x02] &= ~tmp;
+ SYSCFG->EXTICR[EXTI_PinSourcex >> 0x02] |= (((uint32_t)EXTI_PortSourceGPIOx) << (0x04 * (EXTI_PinSourcex & (uint8_t)0x03)));
+}
+
+/**
+ * @brief check ISR wrapper: Allow to determine interrupt source per line .
+ * @param IT_Source: specifies the interrupt source to check.
+ * This parameter can be one of the following values:
+ * @arg ITLINE_EWDG EWDG has expired
+ * @arg ITLINE_PVDOUT Power voltage detection Interrupt
+ * @arg ITLINE_VDDIO2 VDDIO2 Interrupt
+ * @arg ITLINE_RTC_WAKEUP RTC WAKEUP -> exti[20] Interrupt
+ * @arg ITLINE_RTC_TSTAMP RTC Time Stamp -> exti[19] interrupt
+ * @arg ITLINE_RTC_ALRA RTC Alarm -> exti[17] interrupt
+ * @arg ITLINE_FLASH_ITF Flash ITF Interrupt
+ * @arg ITLINE_CRS CRS Interrupt
+ * @arg ITLINE_CLK_CTRL CLK Control Interrupt
+ * @arg ITLINE_EXTI0 External Interrupt 0
+ * @arg ITLINE_EXTI1 External Interrupt 1
+ * @arg ITLINE_EXTI2 External Interrupt 2
+ * @arg ITLINE_EXTI3 External Interrupt 3
+ * @arg ITLINE_EXTI4 External Interrupt 4
+ * @arg ITLINE_EXTI5 External Interrupt 5
+ * @arg ITLINE_EXTI6 External Interrupt 6
+ * @arg ITLINE_EXTI7 External Interrupt 7
+ * @arg ITLINE_EXTI8 External Interrupt 8
+ * @arg ITLINE_EXTI9 External Interrupt 9
+ * @arg ITLINE_EXTI10 External Interrupt 10
+ * @arg ITLINE_EXTI11 External Interrupt 11
+ * @arg ITLINE_EXTI12 External Interrupt 12
+ * @arg ITLINE_EXTI13 External Interrupt 13
+ * @arg ITLINE_EXTI14 External Interrupt 14
+ * @arg ITLINE_EXTI15 External Interrupt 15
+ * @arg ITLINE_TSC_EOA Touch control EOA Interrupt
+ * @arg ITLINE_TSC_MCE Touch control MCE Interrupt
+ * @arg ITLINE_DMA1_CH1 DMA1 Channel 1 Interrupt
+ * @arg ITLINE_DMA1_CH2 DMA1 Channel 2 Interrupt
+ * @arg ITLINE_DMA1_CH3 DMA1 Channel 3 Interrupt
+ * @arg ITLINE_DMA2_CH1 DMA2 Channel 1 Interrupt
+ * @arg ITLINE_DMA2_CH2 DMA2 Channel 2 Interrupt
+ * @arg ITLINE_DMA1_CH4 DMA1 Channel 4 Interrupt
+ * @arg ITLINE_DMA1_CH5 DMA1 Channel 5 Interrupt
+ * @arg ITLINE_DMA1_CH6 DMA1 Channel 6 Interrupt
+ * @arg ITLINE_DMA1_CH7 DMA1 Channel 7 Interrupt
+ * @arg ITLINE_DMA2_CH3 DMA2 Channel 3 Interrupt
+ * @arg ITLINE_DMA2_CH4 DMA2 Channel 4 Interrupt
+ * @arg ITLINE_DMA2_CH5 DMA2 Channel 5 Interrupt
+ * @arg ITLINE_ADC ADC Interrupt
+ * @arg ITLINE_COMP1 COMP1 Interrupt -> exti[21]
+ * @arg ITLINE_COMP2 COMP2 Interrupt -> exti[21]
+ * @arg ITLINE_TIM1_BRK TIM1 BRK Interrupt
+ * @arg ITLINE_TIM1_UPD TIM1 UPD Interrupt
+ * @arg ITLINE_TIM1_TRG TIM1 TRG Interrupt
+ * @arg ITLINE_TIM1_CCU TIM1 CCU Interrupt
+ * @arg ITLINE_TIM1_CC TIM1 CC Interrupt
+ * @arg ITLINE_TIM2 TIM2 Interrupt
+ * @arg ITLINE_TIM3 TIM3 Interrupt
+ * @arg ITLINE_DAC DAC Interrupt
+ * @arg ITLINE_TIM6 TIM6 Interrupt
+ * @arg ITLINE_TIM7 TIM7 Interrupt
+ * @arg ITLINE_TIM14 TIM14 Interrupt
+ * @arg ITLINE_TIM15 TIM15 Interrupt
+ * @arg ITLINE_TIM16 TIM16 Interrupt
+ * @arg ITLINE_TIM17 TIM17 Interrupt
+ * @arg ITLINE_I2C1 I2C1 Interrupt -> exti[23]
+ * @arg ITLINE_I2C2 I2C2 Interrupt
+ * @arg ITLINE_SPI1 I2C1 Interrupt -> exti[23]
+ * @arg ITLINE_SPI2 SPI1 Interrupt
+ * @arg ITLINE_USART1 USART1 GLB Interrupt -> exti[25]
+ * @arg ITLINE_USART2 USART2 GLB Interrupt -> exti[26]
+ * @arg ITLINE_USART3 USART3 Interrupt
+ * @arg ITLINE_USART4 USART4 Interrupt
+ * @arg ITLINE_USART5 USART5 Interrupt
+ * @arg ITLINE_USART6 USART6 Interrupt
+ * @arg ITLINE_USART7 USART7 Interrupt
+ * @arg ITLINE_USART8 USART8 Interrupt
+ * @arg ITLINE_CAN CAN Interrupt
+ * @arg ITLINE_CEC CEC Interrupt
+ * @retval The new state of IT_LINE_SR.
+ */
+uint32_t SYSCFG_GetPendingIT(uint32_t ITSourceLine)
+{
+ assert_param(IS_SYSCFG_ITLINE(ITSourceLine));
+ return(SYSCFG->IT_LINE_SR[(ITSourceLine >> 0x18)] & (ITSourceLine & 0x00FFFFFF));
+}
+
+/**
+ * @brief Connect the selected parameter to the break input of TIM1.
+ * @note The selected configuration is locked and can be unlocked by system reset
+ * @param SYSCFG_Break: selects the configuration to be connected to break
+ * input of TIM1
+ * This parameter can be any combination of the following values:
+ * @arg SYSCFG_Break_PVD: Connects the PVD event to the Break Input of TIM1,, not available for STM32F030 devices.
+ * @arg SYSCFG_Break_SRAMParity: Connects the SRAM_PARITY error signal to the Break Input of TIM1 .
+ * @arg SYSCFG_Break_Lockup: Connects Lockup output of CortexM0 to the break input of TIM1.
+ * @retval None
+ */
+void SYSCFG_BreakConfig(uint32_t SYSCFG_Break)
+{
+ /* Check the parameter */
+ assert_param(IS_SYSCFG_LOCK_CONFIG(SYSCFG_Break));
+
+ SYSCFG->CFGR2 |= (uint32_t) SYSCFG_Break;
+}
+
+/**
+ * @brief Checks whether the specified SYSCFG flag is set or not.
+ * @param SYSCFG_Flag: specifies the SYSCFG flag to check.
+ * This parameter can be one of the following values:
+ * @arg SYSCFG_FLAG_PE: SRAM parity error flag.
+ * @retval The new state of SYSCFG_Flag (SET or RESET).
+ */
+FlagStatus SYSCFG_GetFlagStatus(uint32_t SYSCFG_Flag)
+{
+ FlagStatus bitstatus = RESET;
+
+ /* Check the parameter */
+ assert_param(IS_SYSCFG_FLAG(SYSCFG_Flag));
+
+ /* Check the status of the specified SPI flag */
+ if ((SYSCFG->CFGR2 & SYSCFG_CFGR2_SRAM_PE) != (uint32_t)RESET)
+ {
+ /* SYSCFG_Flag is set */
+ bitstatus = SET;
+ }
+ else
+ {
+ /* SYSCFG_Flag is reset */
+ bitstatus = RESET;
+ }
+ /* Return the SYSCFG_Flag status */
+ return bitstatus;
+}
+
+/**
+ * @brief Clear the selected SYSCFG flag.
+ * @param SYSCFG_Flag: selects the flag to be cleared.
+ * This parameter can be any combination of the following values:
+ * @arg SYSCFG_FLAG_PE: SRAM parity error flag.
+ * @retval None
+ */
+void SYSCFG_ClearFlag(uint32_t SYSCFG_Flag)
+{
+ /* Check the parameter */
+ assert_param(IS_SYSCFG_FLAG(SYSCFG_Flag));
+
+ SYSCFG->CFGR2 |= (uint32_t) SYSCFG_Flag;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_tim.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_tim.c
new file mode 100644
index 00000000..2f1d00ce
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_tim.c
@@ -0,0 +1,3349 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_tim.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the TIM peripheral:
+ * + TimeBase management
+ * + Output Compare management
+ * + Input Capture management
+ * + Interrupts, DMA and flags management
+ * + Clocks management
+ * + Synchronization management
+ * + Specific interface management
+ * + Specific remapping management
+ *
+ * @verbatim
+
+ ===============================================================================
+ ##### How to use this driver #####
+ ===============================================================================
+ [..] This driver provides functions to configure and program the TIM
+ of all STM32F0xx devices These functions are split in 8 groups:
+ (#) TIM TimeBase management: this group includes all needed functions
+ to configure the TM Timebase unit:
+ (++) Set/Get Prescaler.
+ (++) Set/Get Autoreload.
+ (++) Counter modes configuration.
+ (++) Set Clock division.
+ (++) Select the One Pulse mode.
+ (++) Update Request Configuration.
+ (++) Update Disable Configuration.
+ (++) Auto-Preload Configuration.
+ (++) Enable/Disable the counter.
+
+ (#) TIM Output Compare management: this group includes all needed
+ functions to configure the Capture/Compare unit used in Output
+ compare mode:
+ (++) Configure each channel, independently, in Output Compare mode.
+ (++) Select the output compare modes.
+ (++) Select the Polarities of each channel.
+ (++) Set/Get the Capture/Compare register values.
+ (++) Select the Output Compare Fast mode.
+ (++) Select the Output Compare Forced mode.
+ (++) Output Compare-Preload Configuration.
+ (++) Clear Output Compare Reference.
+ (++) Select the OCREF Clear signal.
+ (++) Enable/Disable the Capture/Compare Channels.
+
+ (#) TIM Input Capture management: this group includes all needed
+ functions to configure the Capture/Compare unit used in
+ Input Capture mode:
+ (++) Configure each channel in input capture mode.
+ (++) Configure Channel1/2 in PWM Input mode.
+ (++) Set the Input Capture Prescaler.
+ (++) Get the Capture/Compare values.
+
+ (#) Advanced-control timers (TIM1) specific features
+ (++) Configures the Break input, dead time, Lock level, the OSSI,
+ the OSSR State and the AOE(automatic output enable)
+ (++) Enable/Disable the TIM peripheral Main Outputs
+ (++) Select the Commutation event
+ (++) Set/Reset the Capture Compare Preload Control bit
+
+ (#) TIM interrupts, DMA and flags management.
+ (++) Enable/Disable interrupt sources.
+ (++) Get flags status.
+ (++) Clear flags/ Pending bits.
+ (++) Enable/Disable DMA requests.
+ (++) Configure DMA burst mode.
+ (++) Select CaptureCompare DMA request.
+
+ (#) TIM clocks management: this group includes all needed functions
+ to configure the clock controller unit:
+ (++) Select internal/External clock.
+ (++) Select the external clock mode: ETR(Mode1/Mode2), TIx or ITRx.
+
+ (#) TIM synchronization management: this group includes all needed.
+ functions to configure the Synchronization unit:
+ (++) Select Input Trigger.
+ (++) Select Output Trigger.
+ (++) Select Master Slave Mode.
+ (++) ETR Configuration when used as external trigger.
+
+ (#) TIM specific interface management, this group includes all
+ needed functions to use the specific TIM interface:
+ (++) Encoder Interface Configuration.
+ (++) Select Hall Sensor.
+
+ (#) TIM specific remapping management includes the Remapping
+ configuration of specific timers
+
+@endverbatim
+ *
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_tim.h"
+#include "stm32f0xx_rcc.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup TIM
+ * @brief TIM driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+
+/* ---------------------- TIM registers bit mask ------------------------ */
+#define SMCR_ETR_MASK ((uint16_t)0x00FF)
+#define CCMR_OFFSET ((uint16_t)0x0018)
+#define CCER_CCE_SET ((uint16_t)0x0001)
+#define CCER_CCNE_SET ((uint16_t)0x0004)
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+
+static void TI1_Config(TIM_TypeDef* TIMx, uint16_t TIM_ICPolarity, uint16_t TIM_ICSelection,
+ uint16_t TIM_ICFilter);
+static void TI2_Config(TIM_TypeDef* TIMx, uint16_t TIM_ICPolarity, uint16_t TIM_ICSelection,
+ uint16_t TIM_ICFilter);
+static void TI3_Config(TIM_TypeDef* TIMx, uint16_t TIM_ICPolarity, uint16_t TIM_ICSelection,
+ uint16_t TIM_ICFilter);
+static void TI4_Config(TIM_TypeDef* TIMx, uint16_t TIM_ICPolarity, uint16_t TIM_ICSelection,
+ uint16_t TIM_ICFilter);
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup TIM_Private_Functions
+ * @{
+ */
+
+/** @defgroup TIM_Group1 TimeBase management functions
+ * @brief TimeBase management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### TimeBase management functions #####
+ ===============================================================================
+
+ *** TIM Driver: how to use it in Timing(Time base) Mode ***
+ ===============================================================================
+ [..] To use the Timer in Timing(Time base) mode, the following steps are
+ mandatory:
+ (#) Enable TIM clock using
+ RCC_APBxPeriphClockCmd(RCC_APBxPeriph_TIMx, ENABLE) function.
+ (#) Fill the TIM_TimeBaseInitStruct with the desired parameters.
+ (#) Call TIM_TimeBaseInit(TIMx, &TIM_TimeBaseInitStruct) to configure
+ the Time Base unit with the corresponding configuration.
+ (#) Enable the NVIC if you need to generate the update interrupt.
+ (#) Enable the corresponding interrupt using the function
+ TIM_ITConfig(TIMx, TIM_IT_Update).
+ (#) Call the TIM_Cmd(ENABLE) function to enable the TIM counter.
+ [..]
+ (@) All other functions can be used seperatly to modify, if needed,
+ a specific feature of the Timer.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Deinitializes the TIMx peripheral registers to their default reset values.
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, 14, 15, 16 and 17 to select the TIM peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @retval None
+ *
+ */
+void TIM_DeInit(TIM_TypeDef* TIMx)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_ALL_PERIPH(TIMx));
+
+ if (TIMx == TIM1)
+ {
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_TIM1, ENABLE);
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_TIM1, DISABLE);
+ }
+ else if (TIMx == TIM2)
+ {
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_TIM2, ENABLE);
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_TIM2, DISABLE);
+ }
+ else if (TIMx == TIM3)
+ {
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_TIM3, ENABLE);
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_TIM3, DISABLE);
+ }
+ else if (TIMx == TIM6)
+ {
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_TIM6, ENABLE);
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_TIM6, DISABLE);
+ }
+ else if (TIMx == TIM7)
+ {
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_TIM7, ENABLE);
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_TIM7, DISABLE);
+ }
+ else if (TIMx == TIM14)
+ {
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_TIM14, ENABLE);
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_TIM14, DISABLE);
+ }
+ else if (TIMx == TIM15)
+ {
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_TIM15, ENABLE);
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_TIM15, DISABLE);
+ }
+ else if (TIMx == TIM16)
+ {
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_TIM16, ENABLE);
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_TIM16, DISABLE);
+ }
+ else
+ {
+ if (TIMx == TIM17)
+ {
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_TIM17, ENABLE);
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_TIM17, DISABLE);
+ }
+ }
+
+}
+
+/**
+ * @brief Initializes the TIMx Time Base Unit peripheral according to
+ * the specified parameters in the TIM_TimeBaseInitStruct.
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, 14, 15, 16 and 17 to select the TIM
+ * peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_TimeBaseInitStruct: pointer to a TIM_TimeBaseInitTypeDef
+ * structure that contains the configuration information for
+ * the specified TIM peripheral.
+ * @retval None
+ */
+void TIM_TimeBaseInit(TIM_TypeDef* TIMx, TIM_TimeBaseInitTypeDef* TIM_TimeBaseInitStruct)
+{
+ uint16_t tmpcr1 = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_ALL_PERIPH(TIMx));
+ assert_param(IS_TIM_COUNTER_MODE(TIM_TimeBaseInitStruct->TIM_CounterMode));
+ assert_param(IS_TIM_CKD_DIV(TIM_TimeBaseInitStruct->TIM_ClockDivision));
+
+ tmpcr1 = TIMx->CR1;
+
+ if((TIMx == TIM1) || (TIMx == TIM2) || (TIMx == TIM3))
+ {
+ /* Select the Counter Mode */
+ tmpcr1 &= (uint16_t)(~((uint16_t)(TIM_CR1_DIR | TIM_CR1_CMS)));
+ tmpcr1 |= (uint32_t)TIM_TimeBaseInitStruct->TIM_CounterMode;
+ }
+
+ if(TIMx != TIM6)
+ {
+ /* Set the clock division */
+ tmpcr1 &= (uint16_t)(~((uint16_t)TIM_CR1_CKD));
+ tmpcr1 |= (uint32_t)TIM_TimeBaseInitStruct->TIM_ClockDivision;
+ }
+
+ TIMx->CR1 = tmpcr1;
+
+ /* Set the Autoreload value */
+ TIMx->ARR = TIM_TimeBaseInitStruct->TIM_Period ;
+
+ /* Set the Prescaler value */
+ TIMx->PSC = TIM_TimeBaseInitStruct->TIM_Prescaler;
+
+ if ((TIMx == TIM1) || (TIMx == TIM15)|| (TIMx == TIM16) || (TIMx == TIM17))
+ {
+ /* Set the Repetition Counter value */
+ TIMx->RCR = TIM_TimeBaseInitStruct->TIM_RepetitionCounter;
+ }
+
+ /* Generate an update event to reload the Prescaler and the Repetition counter
+ values immediately */
+ TIMx->EGR = TIM_PSCReloadMode_Immediate;
+}
+
+/**
+ * @brief Fills each TIM_TimeBaseInitStruct member with its default value.
+ * @param TIM_TimeBaseInitStruct: pointer to a TIM_TimeBaseInitTypeDef structure
+ * which will be initialized.
+ * @retval None
+ */
+void TIM_TimeBaseStructInit(TIM_TimeBaseInitTypeDef* TIM_TimeBaseInitStruct)
+{
+ /* Set the default configuration */
+ TIM_TimeBaseInitStruct->TIM_Period = 0xFFFFFFFF;
+ TIM_TimeBaseInitStruct->TIM_Prescaler = 0x0000;
+ TIM_TimeBaseInitStruct->TIM_ClockDivision = TIM_CKD_DIV1;
+ TIM_TimeBaseInitStruct->TIM_CounterMode = TIM_CounterMode_Up;
+ TIM_TimeBaseInitStruct->TIM_RepetitionCounter = 0x0000;
+}
+
+/**
+ * @brief Configures the TIMx Prescaler.
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, 14, 15, 16 and 17 to select the TIM peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param Prescaler: specifies the Prescaler Register value
+ * @param TIM_PSCReloadMode: specifies the TIM Prescaler Reload mode
+ * This parameter can be one of the following values:
+ * @arg TIM_PSCReloadMode_Update: The Prescaler is loaded at the update event.
+ * @arg TIM_PSCReloadMode_Immediate: The Prescaler is loaded immediatly.
+ * @retval None
+ */
+void TIM_PrescalerConfig(TIM_TypeDef* TIMx, uint16_t Prescaler, uint16_t TIM_PSCReloadMode)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_ALL_PERIPH(TIMx));
+ assert_param(IS_TIM_PRESCALER_RELOAD(TIM_PSCReloadMode));
+
+ /* Set the Prescaler value */
+ TIMx->PSC = Prescaler;
+ /* Set or reset the UG Bit */
+ TIMx->EGR = TIM_PSCReloadMode;
+}
+
+/**
+ * @brief Specifies the TIMx Counter Mode to be used.
+ * @param TIMx: where x can be 1, 2, or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_CounterMode: specifies the Counter Mode to be used
+ * This parameter can be one of the following values:
+ * @arg TIM_CounterMode_Up: TIM Up Counting Mode
+ * @arg TIM_CounterMode_Down: TIM Down Counting Mode
+ * @arg TIM_CounterMode_CenterAligned1: TIM Center Aligned Mode1
+ * @arg TIM_CounterMode_CenterAligned2: TIM Center Aligned Mode2
+ * @arg TIM_CounterMode_CenterAligned3: TIM Center Aligned Mode3
+ * @retval None
+ */
+void TIM_CounterModeConfig(TIM_TypeDef* TIMx, uint16_t TIM_CounterMode)
+{
+ uint16_t tmpcr1 = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_TIM_COUNTER_MODE(TIM_CounterMode));
+
+ tmpcr1 = TIMx->CR1;
+ /* Reset the CMS and DIR Bits */
+ tmpcr1 &= (uint16_t)(~((uint16_t)(TIM_CR1_DIR | TIM_CR1_CMS)));
+ /* Set the Counter Mode */
+ tmpcr1 |= TIM_CounterMode;
+ /* Write to TIMx CR1 register */
+ TIMx->CR1 = tmpcr1;
+}
+
+/**
+ * @brief Sets the TIMx Counter Register value
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, 14, 15, 16 and 17 to select the TIM
+ * peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param Counter: specifies the Counter register new value.
+ * @retval None
+ */
+void TIM_SetCounter(TIM_TypeDef* TIMx, uint32_t Counter)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_ALL_PERIPH(TIMx));
+
+ /* Set the Counter Register value */
+ TIMx->CNT = Counter;
+}
+
+/**
+ * @brief Sets the TIMx Autoreload Register value
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, 14, 15, 16 and 17 to select the TIM peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param Autoreload: specifies the Autoreload register new value.
+ * @retval None
+ */
+void TIM_SetAutoreload(TIM_TypeDef* TIMx, uint32_t Autoreload)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_ALL_PERIPH(TIMx));
+
+ /* Set the Autoreload Register value */
+ TIMx->ARR = Autoreload;
+}
+
+/**
+ * @brief Gets the TIMx Counter value.
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, 14, 15, 16 and 17 to select the TIM
+ * peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @retval Counter Register value.
+ */
+uint32_t TIM_GetCounter(TIM_TypeDef* TIMx)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_ALL_PERIPH(TIMx));
+
+ /* Get the Counter Register value */
+ return TIMx->CNT;
+}
+
+/**
+ * @brief Gets the TIMx Prescaler value.
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, 14, 15, 16 and 17 to select the TIM
+ * peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @retval Prescaler Register value.
+ */
+uint16_t TIM_GetPrescaler(TIM_TypeDef* TIMx)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_ALL_PERIPH(TIMx));
+
+ /* Get the Prescaler Register value */
+ return TIMx->PSC;
+}
+
+/**
+ * @brief Enables or Disables the TIMx Update event.
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, 14, 15, 16 and 17 to select the TIM
+ * peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param NewState: new state of the TIMx UDIS bit
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void TIM_UpdateDisableConfig(TIM_TypeDef* TIMx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_ALL_PERIPH(TIMx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Set the Update Disable Bit */
+ TIMx->CR1 |= TIM_CR1_UDIS;
+ }
+ else
+ {
+ /* Reset the Update Disable Bit */
+ TIMx->CR1 &= (uint16_t)~((uint16_t)TIM_CR1_UDIS);
+ }
+}
+
+/**
+ * @brief Configures the TIMx Update Request Interrupt source.
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, 14, 15, 16 and 17 to select the TIM
+ * peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_UpdateSource: specifies the Update source.
+ * This parameter can be one of the following values:
+ * @arg TIM_UpdateSource_Regular: Source of update is the counter
+ * overflow/underflow or the setting of UG bit, or an update
+ * generation through the slave mode controller.
+ * @arg TIM_UpdateSource_Global: Source of update is counter overflow/underflow.
+ * @retval None
+ */
+void TIM_UpdateRequestConfig(TIM_TypeDef* TIMx, uint16_t TIM_UpdateSource)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_ALL_PERIPH(TIMx));
+ assert_param(IS_TIM_UPDATE_SOURCE(TIM_UpdateSource));
+
+ if (TIM_UpdateSource != TIM_UpdateSource_Global)
+ {
+ /* Set the URS Bit */
+ TIMx->CR1 |= TIM_CR1_URS;
+ }
+ else
+ {
+ /* Reset the URS Bit */
+ TIMx->CR1 &= (uint16_t)~((uint16_t)TIM_CR1_URS);
+ }
+}
+
+/**
+ * @brief Enables or disables TIMx peripheral Preload register on ARR.
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, 14, 15, 16 and 17 to select the TIM
+ * peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param NewState: new state of the TIMx peripheral Preload register
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void TIM_ARRPreloadConfig(TIM_TypeDef* TIMx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_ALL_PERIPH(TIMx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Set the ARR Preload Bit */
+ TIMx->CR1 |= TIM_CR1_ARPE;
+ }
+ else
+ {
+ /* Reset the ARR Preload Bit */
+ TIMx->CR1 &= (uint16_t)~((uint16_t)TIM_CR1_ARPE);
+ }
+}
+
+/**
+ * @brief Selects the TIMx's One Pulse Mode.
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, 14, 15, 16 and 17 to select the TIM
+ * peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OPMode: specifies the OPM Mode to be used.
+ * This parameter can be one of the following values:
+ * @arg TIM_OPMode_Single
+ * @arg TIM_OPMode_Repetitive
+ * @retval None
+ */
+void TIM_SelectOnePulseMode(TIM_TypeDef* TIMx, uint16_t TIM_OPMode)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_ALL_PERIPH(TIMx));
+ assert_param(IS_TIM_OPM_MODE(TIM_OPMode));
+
+ /* Reset the OPM Bit */
+ TIMx->CR1 &= (uint16_t)~((uint16_t)TIM_CR1_OPM);
+ /* Configure the OPM Mode */
+ TIMx->CR1 |= TIM_OPMode;
+}
+
+/**
+ * @brief Sets the TIMx Clock Division value.
+ * @param TIMx: where x can be 1, 2, 3, 14, 15, 16 and 17 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_CKD: specifies the clock division value.
+ * This parameter can be one of the following value:
+ * @arg TIM_CKD_DIV1: TDTS = Tck_tim
+ * @arg TIM_CKD_DIV2: TDTS = 2*Tck_tim
+ * @arg TIM_CKD_DIV4: TDTS = 4*Tck_tim
+ * @retval None
+ */
+void TIM_SetClockDivision(TIM_TypeDef* TIMx, uint16_t TIM_CKD)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST4_PERIPH(TIMx));
+ assert_param(IS_TIM_CKD_DIV(TIM_CKD));
+
+ /* Reset the CKD Bits */
+ TIMx->CR1 &= (uint16_t)~((uint16_t)TIM_CR1_CKD);
+ /* Set the CKD value */
+ TIMx->CR1 |= TIM_CKD;
+}
+
+/**
+ * @brief Enables or disables the specified TIM peripheral.
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, 14, 15, 16 and 17to select the TIMx
+ * peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param NewState: new state of the TIMx peripheral.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void TIM_Cmd(TIM_TypeDef* TIMx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_ALL_PERIPH(TIMx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the TIM Counter */
+ TIMx->CR1 |= TIM_CR1_CEN;
+ }
+ else
+ {
+ /* Disable the TIM Counter */
+ TIMx->CR1 &= (uint16_t)(~((uint16_t)TIM_CR1_CEN));
+ }
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Group2 Advanced-control timers (TIM1) specific features
+ * @brief Advanced-control timers (TIM1) specific features
+ *
+@verbatim
+ ===============================================================================
+ ##### Advanced-control timers (TIM1) specific features #####
+ ===============================================================================
+
+ ===================================================================
+ *** TIM Driver: how to use the Break feature ***
+ ===================================================================
+ [..] After configuring the Timer channel(s) in the appropriate Output Compare mode:
+
+ (#) Fill the TIM_BDTRInitStruct with the desired parameters for the Timer
+ Break Polarity, dead time, Lock level, the OSSI/OSSR State and the
+ AOE(automatic output enable).
+
+ (#) Call TIM_BDTRConfig(TIMx, &TIM_BDTRInitStruct) to configure the Timer
+
+ (#) Enable the Main Output using TIM_CtrlPWMOutputs(TIM1, ENABLE)
+
+ (#) Once the break even occurs, the Timer's output signals are put in reset
+ state or in a known state (according to the configuration made in
+ TIM_BDTRConfig() function).
+
+@endverbatim
+ * @{
+ */
+/**
+ * @brief Configures the: Break feature, dead time, Lock level, OSSI/OSSR State
+ * and the AOE(automatic output enable).
+ * @param TIMx: where x can be 1, 15, 16 or 17 to select the TIM
+ * @param TIM_BDTRInitStruct: pointer to a TIM_BDTRInitTypeDef structure that
+ * contains the BDTR Register configuration information for the TIM peripheral.
+ * @retval None
+ */
+void TIM_BDTRConfig(TIM_TypeDef* TIMx, TIM_BDTRInitTypeDef *TIM_BDTRInitStruct)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST2_PERIPH(TIMx));
+ assert_param(IS_TIM_OSSR_STATE(TIM_BDTRInitStruct->TIM_OSSRState));
+ assert_param(IS_TIM_OSSI_STATE(TIM_BDTRInitStruct->TIM_OSSIState));
+ assert_param(IS_TIM_LOCK_LEVEL(TIM_BDTRInitStruct->TIM_LOCKLevel));
+ assert_param(IS_TIM_BREAK_STATE(TIM_BDTRInitStruct->TIM_Break));
+ assert_param(IS_TIM_BREAK_POLARITY(TIM_BDTRInitStruct->TIM_BreakPolarity));
+ assert_param(IS_TIM_AUTOMATIC_OUTPUT_STATE(TIM_BDTRInitStruct->TIM_AutomaticOutput));
+ /* Set the Lock level, the Break enable Bit and the Ploarity, the OSSR State,
+ the OSSI State, the dead time value and the Automatic Output Enable Bit */
+ TIMx->BDTR = (uint32_t)TIM_BDTRInitStruct->TIM_OSSRState | TIM_BDTRInitStruct->TIM_OSSIState |
+ TIM_BDTRInitStruct->TIM_LOCKLevel | TIM_BDTRInitStruct->TIM_DeadTime |
+ TIM_BDTRInitStruct->TIM_Break | TIM_BDTRInitStruct->TIM_BreakPolarity |
+ TIM_BDTRInitStruct->TIM_AutomaticOutput;
+}
+
+/**
+ * @brief Fills each TIM_BDTRInitStruct member with its default value.
+ * @param TIM_BDTRInitStruct: pointer to a TIM_BDTRInitTypeDef structure which
+ * will be initialized.
+ * @retval None
+ */
+void TIM_BDTRStructInit(TIM_BDTRInitTypeDef* TIM_BDTRInitStruct)
+{
+ /* Set the default configuration */
+ TIM_BDTRInitStruct->TIM_OSSRState = TIM_OSSRState_Disable;
+ TIM_BDTRInitStruct->TIM_OSSIState = TIM_OSSIState_Disable;
+ TIM_BDTRInitStruct->TIM_LOCKLevel = TIM_LOCKLevel_OFF;
+ TIM_BDTRInitStruct->TIM_DeadTime = 0x00;
+ TIM_BDTRInitStruct->TIM_Break = TIM_Break_Disable;
+ TIM_BDTRInitStruct->TIM_BreakPolarity = TIM_BreakPolarity_Low;
+ TIM_BDTRInitStruct->TIM_AutomaticOutput = TIM_AutomaticOutput_Disable;
+}
+
+/**
+ * @brief Enables or disables the TIM peripheral Main Outputs.
+ * @param TIMx: where x can be 1, 15, 16 or 17 to select the TIMx peripheral.
+ * @param NewState: new state of the TIM peripheral Main Outputs.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void TIM_CtrlPWMOutputs(TIM_TypeDef* TIMx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST2_PERIPH(TIMx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+ if (NewState != DISABLE)
+ {
+ /* Enable the TIM Main Output */
+ TIMx->BDTR |= TIM_BDTR_MOE;
+ }
+ else
+ {
+ /* Disable the TIM Main Output */
+ TIMx->BDTR &= (uint16_t)(~((uint16_t)TIM_BDTR_MOE));
+ }
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Group3 Output Compare management functions
+ * @brief Output Compare management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Output Compare management functions #####
+ ===============================================================================
+ *** TIM Driver: how to use it in Output Compare Mode ***
+ ===============================================================================
+ [..] To use the Timer in Output Compare mode, the following steps are mandatory:
+ (#) Enable TIM clock using
+ RCC_APBxPeriphClockCmd(RCC_APBxPeriph_TIMx, ENABLE) function.
+ (#) Configure the TIM pins by configuring the corresponding GPIO pins
+ (#) Configure the Time base unit as described in the first part of this
+ driver, if needed, else the Timer will run with the default
+ configuration:
+ (++) Autoreload value = 0xFFFF.
+ (++) Prescaler value = 0x0000.
+ (++) Counter mode = Up counting.
+ (++) Clock Division = TIM_CKD_DIV1.
+ (#) Fill the TIM_OCInitStruct with the desired parameters including:
+ (++) The TIM Output Compare mode: TIM_OCMode.
+ (++) TIM Output State: TIM_OutputState.
+ (++) TIM Pulse value: TIM_Pulse.
+ (++) TIM Output Compare Polarity : TIM_OCPolarity.
+ (#) Call TIM_OCxInit(TIMx, &TIM_OCInitStruct) to configure the desired
+ channel with the corresponding configuration.
+ (#) Call the TIM_Cmd(ENABLE) function to enable the TIM counter.
+ [..]
+ (@) All other functions can be used separately to modify, if needed,
+ a specific feature of the Timer.
+ (@) In case of PWM mode, this function is mandatory:
+ TIM_OCxPreloadConfig(TIMx, TIM_OCPreload_ENABLE).
+ (@) If the corresponding interrupt or DMA request are needed, the user should:
+ (#@) Enable the NVIC (or the DMA) to use the TIM interrupts (or DMA requests).
+ (#@) Enable the corresponding interrupt (or DMA request) using the function
+ TIM_ITConfig(TIMx, TIM_IT_CCx) (or TIM_DMA_Cmd(TIMx, TIM_DMA_CCx)).
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Initializes the TIMx Channel1 according to the specified
+ * parameters in the TIM_OCInitStruct.
+ * @param TIMx: where x can be 1, 2, 3, 14, 15, 16 and 17 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCInitStruct: pointer to a TIM_OCInitTypeDef structure
+ * that contains the configuration information for the specified TIM
+ * peripheral.
+ * @retval None
+ */
+void TIM_OC1Init(TIM_TypeDef* TIMx, TIM_OCInitTypeDef* TIM_OCInitStruct)
+{
+ uint16_t tmpccmrx = 0, tmpccer = 0, tmpcr2 = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST4_PERIPH(TIMx));
+ assert_param(IS_TIM_OC_MODE(TIM_OCInitStruct->TIM_OCMode));
+ assert_param(IS_TIM_OUTPUT_STATE(TIM_OCInitStruct->TIM_OutputState));
+ assert_param(IS_TIM_OC_POLARITY(TIM_OCInitStruct->TIM_OCPolarity));
+ /* Disable the Channel 1: Reset the CC1E Bit */
+ TIMx->CCER &= (uint16_t)(~(uint16_t)TIM_CCER_CC1E);
+ /* Get the TIMx CCER register value */
+ tmpccer = TIMx->CCER;
+ /* Get the TIMx CR2 register value */
+ tmpcr2 = TIMx->CR2;
+
+ /* Get the TIMx CCMR1 register value */
+ tmpccmrx = TIMx->CCMR1;
+
+ /* Reset the Output Compare Mode Bits */
+ tmpccmrx &= (uint16_t)(~((uint16_t)TIM_CCMR1_OC1M));
+ tmpccmrx &= (uint16_t)(~((uint16_t)TIM_CCMR1_CC1S));
+
+ /* Select the Output Compare Mode */
+ tmpccmrx |= TIM_OCInitStruct->TIM_OCMode;
+
+ /* Reset the Output Polarity level */
+ tmpccer &= (uint16_t)(~((uint16_t)TIM_CCER_CC1P));
+ /* Set the Output Compare Polarity */
+ tmpccer |= TIM_OCInitStruct->TIM_OCPolarity;
+
+ /* Set the Output State */
+ tmpccer |= TIM_OCInitStruct->TIM_OutputState;
+
+ if((TIMx == TIM1) || (TIMx == TIM15) || (TIMx == TIM16) || (TIMx == TIM17))
+ {
+ assert_param(IS_TIM_OUTPUTN_STATE(TIM_OCInitStruct->TIM_OutputNState));
+ assert_param(IS_TIM_OCN_POLARITY(TIM_OCInitStruct->TIM_OCNPolarity));
+ assert_param(IS_TIM_OCNIDLE_STATE(TIM_OCInitStruct->TIM_OCNIdleState));
+ assert_param(IS_TIM_OCIDLE_STATE(TIM_OCInitStruct->TIM_OCIdleState));
+
+ /* Reset the Output N Polarity level */
+ tmpccer &= (uint16_t)(~((uint16_t)TIM_CCER_CC1NP));
+ /* Set the Output N Polarity */
+ tmpccer |= TIM_OCInitStruct->TIM_OCNPolarity;
+
+ /* Reset the Output N State */
+ tmpccer &= (uint16_t)(~((uint16_t)TIM_CCER_CC1NE));
+ /* Set the Output N State */
+ tmpccer |= TIM_OCInitStruct->TIM_OutputNState;
+
+ /* Reset the Ouput Compare and Output Compare N IDLE State */
+ tmpcr2 &= (uint16_t)(~((uint16_t)TIM_CR2_OIS1));
+ tmpcr2 &= (uint16_t)(~((uint16_t)TIM_CR2_OIS1N));
+
+ /* Set the Output Idle state */
+ tmpcr2 |= TIM_OCInitStruct->TIM_OCIdleState;
+ /* Set the Output N Idle state */
+ tmpcr2 |= TIM_OCInitStruct->TIM_OCNIdleState;
+ }
+ /* Write to TIMx CR2 */
+ TIMx->CR2 = tmpcr2;
+
+ /* Write to TIMx CCMR1 */
+ TIMx->CCMR1 = tmpccmrx;
+
+ /* Set the Capture Compare Register value */
+ TIMx->CCR1 = TIM_OCInitStruct->TIM_Pulse;
+
+ /* Write to TIMx CCER */
+ TIMx->CCER = tmpccer;
+}
+
+/**
+ * @brief Initializes the TIMx Channel2 according to the specified
+ * parameters in the TIM_OCInitStruct.
+ * @param TIMx: where x can be 1, 2, 3 or 15 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCInitStruct: pointer to a TIM_OCInitTypeDef structure
+ * that contains the configuration information for the specified TIM
+ * peripheral.
+ * @retval None
+ */
+void TIM_OC2Init(TIM_TypeDef* TIMx, TIM_OCInitTypeDef* TIM_OCInitStruct)
+{
+ uint16_t tmpccmrx = 0, tmpccer = 0, tmpcr2 = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST6_PERIPH(TIMx));
+ assert_param(IS_TIM_OC_MODE(TIM_OCInitStruct->TIM_OCMode));
+ assert_param(IS_TIM_OUTPUT_STATE(TIM_OCInitStruct->TIM_OutputState));
+ assert_param(IS_TIM_OC_POLARITY(TIM_OCInitStruct->TIM_OCPolarity));
+ /* Disable the Channel 2: Reset the CC2E Bit */
+ TIMx->CCER &= (uint16_t)(~((uint16_t)TIM_CCER_CC2E));
+
+ /* Get the TIMx CCER register value */
+ tmpccer = TIMx->CCER;
+ /* Get the TIMx CR2 register value */
+ tmpcr2 = TIMx->CR2;
+
+ /* Get the TIMx CCMR1 register value */
+ tmpccmrx = TIMx->CCMR1;
+
+ /* Reset the Output Compare mode and Capture/Compare selection Bits */
+ tmpccmrx &= (uint16_t)(~((uint16_t)TIM_CCMR1_OC2M));
+ tmpccmrx &= (uint16_t)(~((uint16_t)TIM_CCMR1_CC2S));
+
+ /* Select the Output Compare Mode */
+ tmpccmrx |= (uint16_t)(TIM_OCInitStruct->TIM_OCMode << 8);
+
+ /* Reset the Output Polarity level */
+ tmpccer &= (uint16_t)(~((uint16_t)TIM_CCER_CC2P));
+ /* Set the Output Compare Polarity */
+ tmpccer |= (uint16_t)(TIM_OCInitStruct->TIM_OCPolarity << 4);
+
+ /* Set the Output State */
+ tmpccer |= (uint16_t)(TIM_OCInitStruct->TIM_OutputState << 4);
+
+ if((TIMx == TIM1) || (TIMx == TIM15))
+ {
+ /* Check the parameters */
+ assert_param(IS_TIM_OCIDLE_STATE(TIM_OCInitStruct->TIM_OCIdleState));
+
+ /* Reset the Ouput Compare State */
+ tmpcr2 &= (uint16_t)(~((uint16_t)TIM_CR2_OIS2));
+
+ /* Set the Output Idle state */
+ tmpcr2 |= (uint16_t)(TIM_OCInitStruct->TIM_OCIdleState << 2);
+
+ if (TIMx == TIM1)
+ {
+ /* Check the parameters */
+ assert_param(IS_TIM_OUTPUTN_STATE(TIM_OCInitStruct->TIM_OutputNState));
+ assert_param(IS_TIM_OCN_POLARITY(TIM_OCInitStruct->TIM_OCNPolarity));
+ assert_param(IS_TIM_OCNIDLE_STATE(TIM_OCInitStruct->TIM_OCNIdleState));
+
+ /* Reset the Output N Polarity level */
+ tmpccer &= (uint16_t)(~((uint16_t)TIM_CCER_CC2NP));
+ /* Set the Output N Polarity */
+ tmpccer |= (uint16_t)(TIM_OCInitStruct->TIM_OCNPolarity << 4);
+
+ /* Reset the Output N State */
+ tmpccer &= (uint16_t)(~((uint16_t)TIM_CCER_CC2NE));
+ /* Set the Output N State */
+ tmpccer |= (uint16_t)(TIM_OCInitStruct->TIM_OutputNState << 4);
+
+ /* Reset the Output Compare N IDLE State */
+ tmpcr2 &= (uint16_t)(~((uint16_t)TIM_CR2_OIS2N));
+
+ /* Set the Output N Idle state */
+ tmpcr2 |= (uint16_t)(TIM_OCInitStruct->TIM_OCNIdleState << 2);
+ }
+ }
+ /* Write to TIMx CR2 */
+ TIMx->CR2 = tmpcr2;
+
+ /* Write to TIMx CCMR1 */
+ TIMx->CCMR1 = tmpccmrx;
+
+ /* Set the Capture Compare Register value */
+ TIMx->CCR2 = TIM_OCInitStruct->TIM_Pulse;
+
+ /* Write to TIMx CCER */
+ TIMx->CCER = tmpccer;
+}
+
+/**
+ * @brief Initializes the TIMx Channel3 according to the specified
+ * parameters in the TIM_OCInitStruct.
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCInitStruct: pointer to a TIM_OCInitTypeDef structure
+ * that contains the configuration information for the specified TIM
+ * peripheral.
+ * @retval None
+ */
+void TIM_OC3Init(TIM_TypeDef* TIMx, TIM_OCInitTypeDef* TIM_OCInitStruct)
+{
+ uint16_t tmpccmrx = 0, tmpccer = 0, tmpcr2 = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_TIM_OC_MODE(TIM_OCInitStruct->TIM_OCMode));
+ assert_param(IS_TIM_OUTPUT_STATE(TIM_OCInitStruct->TIM_OutputState));
+ assert_param(IS_TIM_OC_POLARITY(TIM_OCInitStruct->TIM_OCPolarity));
+ /* Disable the Channel 2: Reset the CC2E Bit */
+ TIMx->CCER &= (uint16_t)(~((uint16_t)TIM_CCER_CC3E));
+
+ /* Get the TIMx CCER register value */
+ tmpccer = TIMx->CCER;
+ /* Get the TIMx CR2 register value */
+ tmpcr2 = TIMx->CR2;
+
+ /* Get the TIMx CCMR2 register value */
+ tmpccmrx = TIMx->CCMR2;
+
+ /* Reset the Output Compare mode and Capture/Compare selection Bits */
+ tmpccmrx &= (uint16_t)(~((uint16_t)TIM_CCMR2_OC3M));
+ tmpccmrx &= (uint16_t)(~((uint16_t)TIM_CCMR2_CC3S));
+ /* Select the Output Compare Mode */
+ tmpccmrx |= TIM_OCInitStruct->TIM_OCMode;
+
+ /* Reset the Output Polarity level */
+ tmpccer &= (uint16_t)(~((uint16_t)TIM_CCER_CC3P));
+ /* Set the Output Compare Polarity */
+ tmpccer |= (uint16_t)(TIM_OCInitStruct->TIM_OCPolarity << 8);
+
+ /* Set the Output State */
+ tmpccer |= (uint16_t)(TIM_OCInitStruct->TIM_OutputState << 8);
+
+ if(TIMx == TIM1)
+ {
+ assert_param(IS_TIM_OUTPUTN_STATE(TIM_OCInitStruct->TIM_OutputNState));
+ assert_param(IS_TIM_OCN_POLARITY(TIM_OCInitStruct->TIM_OCNPolarity));
+ assert_param(IS_TIM_OCNIDLE_STATE(TIM_OCInitStruct->TIM_OCNIdleState));
+ assert_param(IS_TIM_OCIDLE_STATE(TIM_OCInitStruct->TIM_OCIdleState));
+
+ /* Reset the Output N Polarity level */
+ tmpccer &= (uint16_t)(~((uint16_t)TIM_CCER_CC3NP));
+ /* Set the Output N Polarity */
+ tmpccer |= (uint16_t)(TIM_OCInitStruct->TIM_OCNPolarity << 8);
+ /* Reset the Output N State */
+ tmpccer &= (uint16_t)(~((uint16_t)TIM_CCER_CC3NE));
+
+ /* Set the Output N State */
+ tmpccer |= (uint16_t)(TIM_OCInitStruct->TIM_OutputNState << 8);
+ /* Reset the Ouput Compare and Output Compare N IDLE State */
+ tmpcr2 &= (uint16_t)(~((uint16_t)TIM_CR2_OIS3));
+ tmpcr2 &= (uint16_t)(~((uint16_t)TIM_CR2_OIS3N));
+ /* Set the Output Idle state */
+ tmpcr2 |= (uint16_t)(TIM_OCInitStruct->TIM_OCIdleState << 4);
+ /* Set the Output N Idle state */
+ tmpcr2 |= (uint16_t)(TIM_OCInitStruct->TIM_OCNIdleState << 4);
+ }
+ /* Write to TIMx CR2 */
+ TIMx->CR2 = tmpcr2;
+
+ /* Write to TIMx CCMR2 */
+ TIMx->CCMR2 = tmpccmrx;
+
+ /* Set the Capture Compare Register value */
+ TIMx->CCR3 = TIM_OCInitStruct->TIM_Pulse;
+
+ /* Write to TIMx CCER */
+ TIMx->CCER = tmpccer;
+}
+
+/**
+ * @brief Initializes the TIMx Channel4 according to the specified
+ * parameters in the TIM_OCInitStruct.
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCInitStruct: pointer to a TIM_OCInitTypeDef structure
+ * that contains the configuration information for the specified TIM
+ * peripheral.
+ * @retval None
+ */
+void TIM_OC4Init(TIM_TypeDef* TIMx, TIM_OCInitTypeDef* TIM_OCInitStruct)
+{
+ uint16_t tmpccmrx = 0, tmpccer = 0, tmpcr2 = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_TIM_OC_MODE(TIM_OCInitStruct->TIM_OCMode));
+ assert_param(IS_TIM_OUTPUT_STATE(TIM_OCInitStruct->TIM_OutputState));
+ assert_param(IS_TIM_OC_POLARITY(TIM_OCInitStruct->TIM_OCPolarity));
+ /* Disable the Channel 2: Reset the CC4E Bit */
+ TIMx->CCER &= (uint16_t)(~((uint16_t)TIM_CCER_CC4E));
+
+ /* Get the TIMx CCER register value */
+ tmpccer = TIMx->CCER;
+ /* Get the TIMx CR2 register value */
+ tmpcr2 = TIMx->CR2;
+
+ /* Get the TIMx CCMR2 register value */
+ tmpccmrx = TIMx->CCMR2;
+
+ /* Reset the Output Compare mode and Capture/Compare selection Bits */
+ tmpccmrx &= (uint16_t)(~((uint16_t)TIM_CCMR2_OC4M));
+ tmpccmrx &= (uint16_t)(~((uint16_t)TIM_CCMR2_CC4S));
+
+ /* Select the Output Compare Mode */
+ tmpccmrx |= (uint16_t)(TIM_OCInitStruct->TIM_OCMode << 8);
+
+ /* Reset the Output Polarity level */
+ tmpccer &= (uint16_t)(~((uint16_t)TIM_CCER_CC4P));
+ /* Set the Output Compare Polarity */
+ tmpccer |= (uint16_t)(TIM_OCInitStruct->TIM_OCPolarity << 12);
+
+ /* Set the Output State */
+ tmpccer |= (uint16_t)(TIM_OCInitStruct->TIM_OutputState << 12);
+
+ if(TIMx == TIM1)
+ {
+ assert_param(IS_TIM_OCIDLE_STATE(TIM_OCInitStruct->TIM_OCIdleState));
+ /* Reset the Ouput Compare IDLE State */
+ tmpcr2 &= (uint16_t)(~((uint16_t)TIM_CR2_OIS4));
+ /* Set the Output Idle state */
+ tmpcr2 |= (uint16_t)(TIM_OCInitStruct->TIM_OCIdleState << 6);
+ }
+ /* Write to TIMx CR2 */
+ TIMx->CR2 = tmpcr2;
+
+ /* Write to TIMx CCMR2 */
+ TIMx->CCMR2 = tmpccmrx;
+
+ /* Set the Capture Compare Register value */
+ TIMx->CCR4 = TIM_OCInitStruct->TIM_Pulse;
+
+ /* Write to TIMx CCER */
+ TIMx->CCER = tmpccer;
+}
+
+/**
+ * @brief Fills each TIM_OCInitStruct member with its default value.
+ * @param TIM_OCInitStruct: pointer to a TIM_OCInitTypeDef structure which will
+ * be initialized.
+ * @retval None
+ */
+void TIM_OCStructInit(TIM_OCInitTypeDef* TIM_OCInitStruct)
+{
+ /* Set the default configuration */
+ TIM_OCInitStruct->TIM_OCMode = TIM_OCMode_Timing;
+ TIM_OCInitStruct->TIM_OutputState = TIM_OutputState_Disable;
+ TIM_OCInitStruct->TIM_OutputNState = TIM_OutputNState_Disable;
+ TIM_OCInitStruct->TIM_Pulse = 0x0000000;
+ TIM_OCInitStruct->TIM_OCPolarity = TIM_OCPolarity_High;
+ TIM_OCInitStruct->TIM_OCNPolarity = TIM_OCPolarity_High;
+ TIM_OCInitStruct->TIM_OCIdleState = TIM_OCIdleState_Reset;
+ TIM_OCInitStruct->TIM_OCNIdleState = TIM_OCNIdleState_Reset;
+}
+
+/**
+ * @brief Selects the TIM Output Compare Mode.
+ * @note This function disables the selected channel before changing the Output
+ * Compare Mode.
+ * User has to enable this channel using TIM_CCxCmd and TIM_CCxNCmd functions.
+ * @param TIMx: where x can be 1, 2, 3, 14, 15, 16 or 17 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_Channel: specifies the TIM Channel
+ * This parameter can be one of the following values:
+ * @arg TIM_Channel_1: TIM Channel 1
+ * @arg TIM_Channel_2: TIM Channel 2
+ * @arg TIM_Channel_3: TIM Channel 3
+ * @arg TIM_Channel_4: TIM Channel 4
+ * @param TIM_OCMode: specifies the TIM Output Compare Mode.
+ * This parameter can be one of the following values:
+ * @arg TIM_OCMode_Timing
+ * @arg TIM_OCMode_Active
+ * @arg TIM_OCMode_Toggle
+ * @arg TIM_OCMode_PWM1
+ * @arg TIM_OCMode_PWM2
+ * @arg TIM_ForcedAction_Active
+ * @arg TIM_ForcedAction_InActive
+ * @retval None
+ */
+void TIM_SelectOCxM(TIM_TypeDef* TIMx, uint16_t TIM_Channel, uint16_t TIM_OCMode)
+{
+ uint32_t tmp = 0;
+ uint16_t tmp1 = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST4_PERIPH(TIMx));
+ assert_param(IS_TIM_OCM(TIM_OCMode));
+
+ tmp = (uint32_t) TIMx;
+ tmp += CCMR_OFFSET;
+
+ tmp1 = CCER_CCE_SET << (uint16_t)TIM_Channel;
+
+ /* Disable the Channel: Reset the CCxE Bit */
+ TIMx->CCER &= (uint16_t) ~tmp1;
+
+ if((TIM_Channel == TIM_Channel_1) ||(TIM_Channel == TIM_Channel_3))
+ {
+ tmp += (TIM_Channel>>1);
+
+ /* Reset the OCxM bits in the CCMRx register */
+ *(__IO uint32_t *) tmp &= (uint32_t)~((uint32_t)TIM_CCMR1_OC1M);
+
+ /* Configure the OCxM bits in the CCMRx register */
+ *(__IO uint32_t *) tmp |= TIM_OCMode;
+ }
+ else
+ {
+ tmp += (uint16_t)(TIM_Channel - (uint16_t)4)>> (uint16_t)1;
+
+ /* Reset the OCxM bits in the CCMRx register */
+ *(__IO uint32_t *) tmp &= (uint32_t)~((uint32_t)TIM_CCMR1_OC2M);
+
+ /* Configure the OCxM bits in the CCMRx register */
+ *(__IO uint32_t *) tmp |= (uint16_t)(TIM_OCMode << 8);
+ }
+}
+
+/**
+ * @brief Sets the TIMx Capture Compare1 Register value
+ * @param TIMx: where x can be 1, 2, 3, 14, 15, 16 or 17 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param Compare1: specifies the Capture Compare1 register new value.
+ * @retval None
+ */
+void TIM_SetCompare1(TIM_TypeDef* TIMx, uint32_t Compare1)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST4_PERIPH(TIMx));
+
+ /* Set the Capture Compare1 Register value */
+ TIMx->CCR1 = Compare1;
+}
+
+/**
+ * @brief Sets the TIMx Capture Compare2 Register value
+ * @param TIMx: where x can be 1, 2, 3 or 15 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param Compare2: specifies the Capture Compare2 register new value.
+ * @retval None
+ */
+void TIM_SetCompare2(TIM_TypeDef* TIMx, uint32_t Compare2)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST6_PERIPH(TIMx));
+
+ /* Set the Capture Compare2 Register value */
+ TIMx->CCR2 = Compare2;
+}
+
+/**
+ * @brief Sets the TIMx Capture Compare3 Register value
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @param Compare3: specifies the Capture Compare3 register new value.
+ * @retval None
+ */
+void TIM_SetCompare3(TIM_TypeDef* TIMx, uint32_t Compare3)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+
+ /* Set the Capture Compare3 Register value */
+ TIMx->CCR3 = Compare3;
+}
+
+/**
+ * @brief Sets the TIMx Capture Compare4 Register value
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param Compare4: specifies the Capture Compare4 register new value.
+ * @retval None
+ */
+void TIM_SetCompare4(TIM_TypeDef* TIMx, uint32_t Compare4)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+
+ /* Set the Capture Compare4 Register value */
+ TIMx->CCR4 = Compare4;
+}
+
+/**
+ * @brief Forces the TIMx output 1 waveform to active or inactive level.
+ * @param TIMx: where x can be 1, 2, 3, 14, 15, 16 or 17 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_ForcedAction: specifies the forced Action to be set to the output waveform.
+ * This parameter can be one of the following values:
+ * @arg TIM_ForcedAction_Active: Force active level on OC1REF
+ * @arg TIM_ForcedAction_InActive: Force inactive level on OC1REF.
+ * @retval None
+ */
+void TIM_ForcedOC1Config(TIM_TypeDef* TIMx, uint16_t TIM_ForcedAction)
+{
+ uint16_t tmpccmr1 = 0;
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST4_PERIPH(TIMx));
+ assert_param(IS_TIM_FORCED_ACTION(TIM_ForcedAction));
+ tmpccmr1 = TIMx->CCMR1;
+ /* Reset the OC1M Bits */
+ tmpccmr1 &= (uint16_t)~((uint16_t)TIM_CCMR1_OC1M);
+ /* Configure The Forced output Mode */
+ tmpccmr1 |= TIM_ForcedAction;
+ /* Write to TIMx CCMR1 register */
+ TIMx->CCMR1 = tmpccmr1;
+}
+
+/**
+ * @brief Forces the TIMx output 2 waveform to active or inactive level.
+ * @param TIMx: where x can be 1, 2, 3, or 15 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_ForcedAction: specifies the forced Action to be set to the output waveform.
+ * This parameter can be one of the following values:
+ * @arg TIM_ForcedAction_Active: Force active level on OC2REF
+ * @arg TIM_ForcedAction_InActive: Force inactive level on OC2REF.
+ * @retval None
+ */
+void TIM_ForcedOC2Config(TIM_TypeDef* TIMx, uint16_t TIM_ForcedAction)
+{
+ uint16_t tmpccmr1 = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST6_PERIPH(TIMx));
+ assert_param(IS_TIM_FORCED_ACTION(TIM_ForcedAction));
+
+ tmpccmr1 = TIMx->CCMR1;
+ /* Reset the OC2M Bits */
+ tmpccmr1 &= (uint16_t)~((uint16_t)TIM_CCMR1_OC2M);
+ /* Configure The Forced output Mode */
+ tmpccmr1 |= (uint16_t)(TIM_ForcedAction << 8);
+ /* Write to TIMx CCMR1 register */
+ TIMx->CCMR1 = tmpccmr1;
+}
+
+/**
+ * @brief Forces the TIMx output 3 waveform to active or inactive level.
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_ForcedAction: specifies the forced Action to be set to the output waveform.
+ * This parameter can be one of the following values:
+ * @arg TIM_ForcedAction_Active: Force active level on OC3REF
+ * @arg TIM_ForcedAction_InActive: Force inactive level on OC3REF.
+ * @retval None
+ */
+void TIM_ForcedOC3Config(TIM_TypeDef* TIMx, uint16_t TIM_ForcedAction)
+{
+ uint16_t tmpccmr2 = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_TIM_FORCED_ACTION(TIM_ForcedAction));
+
+ tmpccmr2 = TIMx->CCMR2;
+ /* Reset the OC1M Bits */
+ tmpccmr2 &= (uint16_t)~((uint16_t)TIM_CCMR2_OC3M);
+ /* Configure The Forced output Mode */
+ tmpccmr2 |= TIM_ForcedAction;
+ /* Write to TIMx CCMR2 register */
+ TIMx->CCMR2 = tmpccmr2;
+}
+
+/**
+ * @brief Forces the TIMx output 4 waveform to active or inactive level.
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_ForcedAction: specifies the forced Action to be set to the output waveform.
+ * This parameter can be one of the following values:
+ * @arg TIM_ForcedAction_Active: Force active level on OC4REF
+ * @arg TIM_ForcedAction_InActive: Force inactive level on OC4REF.
+ * @retval None
+ */
+void TIM_ForcedOC4Config(TIM_TypeDef* TIMx, uint16_t TIM_ForcedAction)
+{
+ uint16_t tmpccmr2 = 0;
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_TIM_FORCED_ACTION(TIM_ForcedAction));
+
+ tmpccmr2 = TIMx->CCMR2;
+ /* Reset the OC2M Bits */
+ tmpccmr2 &= (uint16_t)~((uint16_t)TIM_CCMR2_OC4M);
+ /* Configure The Forced output Mode */
+ tmpccmr2 |= (uint16_t)(TIM_ForcedAction << 8);
+ /* Write to TIMx CCMR2 register */
+ TIMx->CCMR2 = tmpccmr2;
+}
+
+/**
+ * @brief Sets or Resets the TIM peripheral Capture Compare Preload Control bit.
+ * @param TIMx: where x can be 1, 2, 3 or 15 to select the TIMx peripheral
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param NewState: new state of the Capture Compare Preload Control bit
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void TIM_CCPreloadControl(TIM_TypeDef* TIMx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST6_PERIPH(TIMx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+ if (NewState != DISABLE)
+ {
+ /* Set the CCPC Bit */
+ TIMx->CR2 |= TIM_CR2_CCPC;
+ }
+ else
+ {
+ /* Reset the CCPC Bit */
+ TIMx->CR2 &= (uint16_t)~((uint16_t)TIM_CR2_CCPC);
+ }
+}
+
+
+/**
+ * @brief Enables or disables the TIMx peripheral Preload register on CCR1.
+ * @param TIMx: where x can be 1, 2, 3, 14, 15, 16 and 17 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCPreload: new state of the TIMx peripheral Preload register
+ * This parameter can be one of the following values:
+ * @arg TIM_OCPreload_Enable
+ * @arg TIM_OCPreload_Disable
+ * @retval None
+ */
+void TIM_OC1PreloadConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPreload)
+{
+ uint16_t tmpccmr1 = 0;
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST4_PERIPH(TIMx));
+ assert_param(IS_TIM_OCPRELOAD_STATE(TIM_OCPreload));
+
+ tmpccmr1 = TIMx->CCMR1;
+ /* Reset the OC1PE Bit */
+ tmpccmr1 &= (uint16_t)~((uint16_t)TIM_CCMR1_OC1PE);
+ /* Enable or Disable the Output Compare Preload feature */
+ tmpccmr1 |= TIM_OCPreload;
+ /* Write to TIMx CCMR1 register */
+ TIMx->CCMR1 = tmpccmr1;
+}
+
+/**
+ * @brief Enables or disables the TIMx peripheral Preload register on CCR2.
+ * @param TIMx: where x can be 1, 2, 3 and 15 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCPreload: new state of the TIMx peripheral Preload register
+ * This parameter can be one of the following values:
+ * @arg TIM_OCPreload_Enable
+ * @arg TIM_OCPreload_Disable
+ * @retval None
+ */
+void TIM_OC2PreloadConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPreload)
+{
+ uint16_t tmpccmr1 = 0;
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST6_PERIPH(TIMx));
+ assert_param(IS_TIM_OCPRELOAD_STATE(TIM_OCPreload));
+
+ tmpccmr1 = TIMx->CCMR1;
+ /* Reset the OC2PE Bit */
+ tmpccmr1 &= (uint16_t)~((uint16_t)TIM_CCMR1_OC2PE);
+ /* Enable or Disable the Output Compare Preload feature */
+ tmpccmr1 |= (uint16_t)(TIM_OCPreload << 8);
+ /* Write to TIMx CCMR1 register */
+ TIMx->CCMR1 = tmpccmr1;
+}
+
+/**
+ * @brief Enables or disables the TIMx peripheral Preload register on CCR3.
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCPreload: new state of the TIMx peripheral Preload register
+ * This parameter can be one of the following values:
+ * @arg TIM_OCPreload_Enable
+ * @arg TIM_OCPreload_Disable
+ * @retval None
+ */
+void TIM_OC3PreloadConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPreload)
+{
+ uint16_t tmpccmr2 = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_TIM_OCPRELOAD_STATE(TIM_OCPreload));
+
+ tmpccmr2 = TIMx->CCMR2;
+ /* Reset the OC3PE Bit */
+ tmpccmr2 &= (uint16_t)~((uint16_t)TIM_CCMR2_OC3PE);
+ /* Enable or Disable the Output Compare Preload feature */
+ tmpccmr2 |= TIM_OCPreload;
+ /* Write to TIMx CCMR2 register */
+ TIMx->CCMR2 = tmpccmr2;
+}
+
+/**
+ * @brief Enables or disables the TIMx peripheral Preload register on CCR4.
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCPreload: new state of the TIMx peripheral Preload register
+ * This parameter can be one of the following values:
+ * @arg TIM_OCPreload_Enable
+ * @arg TIM_OCPreload_Disable
+ * @retval None
+ */
+void TIM_OC4PreloadConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPreload)
+{
+ uint16_t tmpccmr2 = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_TIM_OCPRELOAD_STATE(TIM_OCPreload));
+
+ tmpccmr2 = TIMx->CCMR2;
+ /* Reset the OC4PE Bit */
+ tmpccmr2 &= (uint16_t)~((uint16_t)TIM_CCMR2_OC4PE);
+ /* Enable or Disable the Output Compare Preload feature */
+ tmpccmr2 |= (uint16_t)(TIM_OCPreload << 8);
+ /* Write to TIMx CCMR2 register */
+ TIMx->CCMR2 = tmpccmr2;
+}
+
+/**
+ * @brief Configures the TIMx Output Compare 1 Fast feature.
+ * @param TIMx: where x can be 1, 2, 3, 14, 15, 16 or 17 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCFast: new state of the Output Compare Fast Enable Bit.
+ * This parameter can be one of the following values:
+ * @arg TIM_OCFast_Enable: TIM output compare fast enable
+ * @arg TIM_OCFast_Disable: TIM output compare fast disable
+ * @retval None
+ */
+void TIM_OC1FastConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCFast)
+{
+ uint16_t tmpccmr1 = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST4_PERIPH(TIMx));
+ assert_param(IS_TIM_OCFAST_STATE(TIM_OCFast));
+
+ /* Get the TIMx CCMR1 register value */
+ tmpccmr1 = TIMx->CCMR1;
+ /* Reset the OC1FE Bit */
+ tmpccmr1 &= (uint16_t)~((uint16_t)TIM_CCMR1_OC1FE);
+ /* Enable or Disable the Output Compare Fast Bit */
+ tmpccmr1 |= TIM_OCFast;
+ /* Write to TIMx CCMR1 */
+ TIMx->CCMR1 = tmpccmr1;
+}
+
+/**
+ * @brief Configures the TIMx Output Compare 2 Fast feature.
+ * @param TIMx: where x can be 1, 2, 3 or 15 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCFast: new state of the Output Compare Fast Enable Bit.
+ * This parameter can be one of the following values:
+ * @arg TIM_OCFast_Enable: TIM output compare fast enable
+ * @arg TIM_OCFast_Disable: TIM output compare fast disable
+ * @retval None
+ */
+void TIM_OC2FastConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCFast)
+{
+ uint16_t tmpccmr1 = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST6_PERIPH(TIMx));
+ assert_param(IS_TIM_OCFAST_STATE(TIM_OCFast));
+
+ /* Get the TIMx CCMR1 register value */
+ tmpccmr1 = TIMx->CCMR1;
+ /* Reset the OC2FE Bit */
+ tmpccmr1 &= (uint16_t)~((uint16_t)TIM_CCMR1_OC2FE);
+ /* Enable or Disable the Output Compare Fast Bit */
+ tmpccmr1 |= (uint16_t)(TIM_OCFast << 8);
+ /* Write to TIMx CCMR1 */
+ TIMx->CCMR1 = tmpccmr1;
+}
+
+/**
+ * @brief Configures the TIMx Output Compare 3 Fast feature.
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCFast: new state of the Output Compare Fast Enable Bit.
+ * This parameter can be one of the following values:
+ * @arg TIM_OCFast_Enable: TIM output compare fast enable
+ * @arg TIM_OCFast_Disable: TIM output compare fast disable
+ * @retval None
+ */
+void TIM_OC3FastConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCFast)
+{
+ uint16_t tmpccmr2 = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_TIM_OCFAST_STATE(TIM_OCFast));
+
+ /* Get the TIMx CCMR2 register value */
+ tmpccmr2 = TIMx->CCMR2;
+ /* Reset the OC3FE Bit */
+ tmpccmr2 &= (uint16_t)~((uint16_t)TIM_CCMR2_OC3FE);
+ /* Enable or Disable the Output Compare Fast Bit */
+ tmpccmr2 |= TIM_OCFast;
+ /* Write to TIMx CCMR2 */
+ TIMx->CCMR2 = tmpccmr2;
+}
+
+/**
+ * @brief Configures the TIMx Output Compare 4 Fast feature.
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCFast: new state of the Output Compare Fast Enable Bit.
+ * This parameter can be one of the following values:
+ * @arg TIM_OCFast_Enable: TIM output compare fast enable
+ * @arg TIM_OCFast_Disable: TIM output compare fast disable
+ * @retval None
+ */
+void TIM_OC4FastConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCFast)
+{
+ uint16_t tmpccmr2 = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_TIM_OCFAST_STATE(TIM_OCFast));
+
+ /* Get the TIMx CCMR2 register value */
+ tmpccmr2 = TIMx->CCMR2;
+ /* Reset the OC4FE Bit */
+ tmpccmr2 &= (uint16_t)~((uint16_t)TIM_CCMR2_OC4FE);
+ /* Enable or Disable the Output Compare Fast Bit */
+ tmpccmr2 |= (uint16_t)(TIM_OCFast << 8);
+ /* Write to TIMx CCMR2 */
+ TIMx->CCMR2 = tmpccmr2;
+}
+
+/**
+ * @brief Clears or safeguards the OCREF1 signal on an external event
+ * @param TIMx: where x can be 1, 2, 3, 14, 15, 16 or 17 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCClear: new state of the Output Compare Clear Enable Bit.
+ * This parameter can be one of the following values:
+ * @arg TIM_OCClear_Enable: TIM Output clear enable
+ * @arg TIM_OCClear_Disable: TIM Output clear disable
+ * @retval None
+ */
+void TIM_ClearOC1Ref(TIM_TypeDef* TIMx, uint16_t TIM_OCClear)
+{
+ uint16_t tmpccmr1 = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST4_PERIPH(TIMx));
+ assert_param(IS_TIM_OCCLEAR_STATE(TIM_OCClear));
+
+ tmpccmr1 = TIMx->CCMR1;
+ /* Reset the OC1CE Bit */
+ tmpccmr1 &= (uint16_t)~((uint16_t)TIM_CCMR1_OC1CE);
+ /* Enable or Disable the Output Compare Clear Bit */
+ tmpccmr1 |= TIM_OCClear;
+ /* Write to TIMx CCMR1 register */
+ TIMx->CCMR1 = tmpccmr1;
+}
+
+/**
+ * @brief Clears or safeguards the OCREF2 signal on an external event
+ * @param TIMx: where x can be 1, 2, 3 or 15 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCClear: new state of the Output Compare Clear Enable Bit.
+ * This parameter can be one of the following values:
+ * @arg TIM_OCClear_Enable: TIM Output clear enable
+ * @arg TIM_OCClear_Disable: TIM Output clear disable
+ * @retval None
+ */
+void TIM_ClearOC2Ref(TIM_TypeDef* TIMx, uint16_t TIM_OCClear)
+{
+ uint16_t tmpccmr1 = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST6_PERIPH(TIMx));
+ assert_param(IS_TIM_OCCLEAR_STATE(TIM_OCClear));
+
+ tmpccmr1 = TIMx->CCMR1;
+ /* Reset the OC2CE Bit */
+ tmpccmr1 &= (uint16_t)~((uint16_t)TIM_CCMR1_OC2CE);
+ /* Enable or Disable the Output Compare Clear Bit */
+ tmpccmr1 |= (uint16_t)(TIM_OCClear << 8);
+ /* Write to TIMx CCMR1 register */
+ TIMx->CCMR1 = tmpccmr1;
+}
+
+/**
+ * @brief Clears or safeguards the OCREF3 signal on an external event
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCClear: new state of the Output Compare Clear Enable Bit.
+ * This parameter can be one of the following values:
+ * @arg TIM_OCClear_Enable: TIM Output clear enable
+ * @arg TIM_OCClear_Disable: TIM Output clear disable
+ * @retval None
+ */
+void TIM_ClearOC3Ref(TIM_TypeDef* TIMx, uint16_t TIM_OCClear)
+{
+ uint16_t tmpccmr2 = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_TIM_OCCLEAR_STATE(TIM_OCClear));
+
+ tmpccmr2 = TIMx->CCMR2;
+ /* Reset the OC3CE Bit */
+ tmpccmr2 &= (uint16_t)~((uint16_t)TIM_CCMR2_OC3CE);
+ /* Enable or Disable the Output Compare Clear Bit */
+ tmpccmr2 |= TIM_OCClear;
+ /* Write to TIMx CCMR2 register */
+ TIMx->CCMR2 = tmpccmr2;
+}
+
+/**
+ * @brief Clears or safeguards the OCREF4 signal on an external event
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCClear: new state of the Output Compare Clear Enable Bit.
+ * This parameter can be one of the following values:
+ * @arg TIM_OCClear_Enable: TIM Output clear enable
+ * @arg TIM_OCClear_Disable: TIM Output clear disable
+ * @retval None
+ */
+void TIM_ClearOC4Ref(TIM_TypeDef* TIMx, uint16_t TIM_OCClear)
+{
+ uint16_t tmpccmr2 = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_TIM_OCCLEAR_STATE(TIM_OCClear));
+
+ tmpccmr2 = TIMx->CCMR2;
+ /* Reset the OC4CE Bit */
+ tmpccmr2 &= (uint16_t)~((uint16_t)TIM_CCMR2_OC4CE);
+ /* Enable or Disable the Output Compare Clear Bit */
+ tmpccmr2 |= (uint16_t)(TIM_OCClear << 8);
+ /* Write to TIMx CCMR2 register */
+ TIMx->CCMR2 = tmpccmr2;
+}
+
+/**
+ * @brief Configures the TIMx channel 1 polarity.
+ * @param TIMx: where x can be 1, 2, 3, 14, 15, 16 or 17 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCPolarity: specifies the OC1 Polarity
+ * This parmeter can be one of the following values:
+ * @arg TIM_OCPolarity_High: Output Compare active high
+ * @arg TIM_OCPolarity_Low: Output Compare active low
+ * @retval None
+ */
+void TIM_OC1PolarityConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPolarity)
+{
+ uint16_t tmpccer = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST4_PERIPH(TIMx));
+ assert_param(IS_TIM_OC_POLARITY(TIM_OCPolarity));
+
+ tmpccer = TIMx->CCER;
+ /* Set or Reset the CC1P Bit */
+ tmpccer &= (uint16_t)~((uint16_t)TIM_CCER_CC1P);
+ tmpccer |= TIM_OCPolarity;
+ /* Write to TIMx CCER register */
+ TIMx->CCER = tmpccer;
+}
+
+/**
+ * @brief Configures the TIMx Channel 1N polarity.
+ * @param TIMx: where x can be 1, 15, 16 or 17 to select the TIM peripheral.
+ * @param TIM_OCNPolarity: specifies the OC1N Polarity
+ * This parmeter can be one of the following values:
+ * @arg TIM_OCNPolarity_High: Output Compare active high
+ * @arg TIM_OCNPolarity_Low: Output Compare active low
+ * @retval None
+ */
+void TIM_OC1NPolarityConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCNPolarity)
+{
+ uint16_t tmpccer = 0;
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST2_PERIPH(TIMx));
+ assert_param(IS_TIM_OCN_POLARITY(TIM_OCNPolarity));
+
+ tmpccer = TIMx->CCER;
+ /* Set or Reset the CC1NP Bit */
+ tmpccer &= (uint16_t)~((uint16_t)TIM_CCER_CC1NP);
+ tmpccer |= TIM_OCNPolarity;
+ /* Write to TIMx CCER register */
+ TIMx->CCER = tmpccer;
+}
+
+/**
+ * @brief Configures the TIMx channel 2 polarity.
+ * @param TIMx: where x can be 1, 2, 3, or 15 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCPolarity: specifies the OC2 Polarity
+ * This parmeter can be one of the following values:
+ * @arg TIM_OCPolarity_High: Output Compare active high
+ * @arg TIM_OCPolarity_Low: Output Compare active low
+ * @retval None
+ */
+void TIM_OC2PolarityConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPolarity)
+{
+ uint16_t tmpccer = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST6_PERIPH(TIMx));
+ assert_param(IS_TIM_OC_POLARITY(TIM_OCPolarity));
+
+ tmpccer = TIMx->CCER;
+ /* Set or Reset the CC2P Bit */
+ tmpccer &= (uint16_t)~((uint16_t)TIM_CCER_CC2P);
+ tmpccer |= (uint16_t)(TIM_OCPolarity << 4);
+ /* Write to TIMx CCER register */
+ TIMx->CCER = tmpccer;
+}
+
+/**
+ * @brief Configures the TIMx Channel 2N polarity.
+ * @param TIMx: where x can be 1 to select the TIM peripheral.
+ * @param TIM_OCNPolarity: specifies the OC2N Polarity
+ * This parmeter can be one of the following values:
+ * @arg TIM_OCNPolarity_High: Output Compare active high
+ * @arg TIM_OCNPolarity_Low: Output Compare active low
+ * @retval None
+ */
+void TIM_OC2NPolarityConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCNPolarity)
+{
+ uint16_t tmpccer = 0;
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST1_PERIPH(TIMx));
+ assert_param(IS_TIM_OCN_POLARITY(TIM_OCNPolarity));
+
+ tmpccer = TIMx->CCER;
+ /* Set or Reset the CC2NP Bit */
+ tmpccer &= (uint16_t)~((uint16_t)TIM_CCER_CC2NP);
+ tmpccer |= (uint16_t)(TIM_OCNPolarity << 4);
+ /* Write to TIMx CCER register */
+ TIMx->CCER = tmpccer;
+}
+
+/**
+ * @brief Configures the TIMx channel 3 polarity.
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCPolarity: specifies the OC3 Polarity
+ * This parmeter can be one of the following values:
+ * @arg TIM_OCPolarity_High: Output Compare active high
+ * @arg TIM_OCPolarity_Low: Output Compare active low
+ * @retval None
+ */
+void TIM_OC3PolarityConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPolarity)
+{
+ uint16_t tmpccer = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_TIM_OC_POLARITY(TIM_OCPolarity));
+
+ tmpccer = TIMx->CCER;
+ /* Set or Reset the CC3P Bit */
+ tmpccer &= (uint16_t)~((uint16_t)TIM_CCER_CC3P);
+ tmpccer |= (uint16_t)(TIM_OCPolarity << 8);
+ /* Write to TIMx CCER register */
+ TIMx->CCER = tmpccer;
+}
+
+/**
+ * @brief Configures the TIMx Channel 3N polarity.
+ * @param TIMx: where x can be 1 to select the TIM peripheral.
+ * @param TIM_OCNPolarity: specifies the OC3N Polarity
+ * This parmeter can be one of the following values:
+ * @arg TIM_OCNPolarity_High: Output Compare active high
+ * @arg TIM_OCNPolarity_Low: Output Compare active low
+ * @retval None
+ */
+void TIM_OC3NPolarityConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCNPolarity)
+{
+ uint16_t tmpccer = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST1_PERIPH(TIMx));
+ assert_param(IS_TIM_OCN_POLARITY(TIM_OCNPolarity));
+
+ tmpccer = TIMx->CCER;
+ /* Set or Reset the CC3NP Bit */
+ tmpccer &= (uint16_t)~((uint16_t)TIM_CCER_CC3NP);
+ tmpccer |= (uint16_t)(TIM_OCNPolarity << 8);
+ /* Write to TIMx CCER register */
+ TIMx->CCER = tmpccer;
+}
+
+/**
+ * @brief Configures the TIMx channel 4 polarity.
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCPolarity: specifies the OC4 Polarity
+ * This parmeter can be one of the following values:
+ * @arg TIM_OCPolarity_High: Output Compare active high
+ * @arg TIM_OCPolarity_Low: Output Compare active low
+ * @retval None
+ */
+void TIM_OC4PolarityConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPolarity)
+{
+ uint16_t tmpccer = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_TIM_OC_POLARITY(TIM_OCPolarity));
+
+ tmpccer = TIMx->CCER;
+ /* Set or Reset the CC4P Bit */
+ tmpccer &= (uint16_t)~((uint16_t)TIM_CCER_CC4P);
+ tmpccer |= (uint16_t)(TIM_OCPolarity << 12);
+ /* Write to TIMx CCER register */
+ TIMx->CCER = tmpccer;
+}
+
+/**
+ * @brief Selects the OCReference Clear source.
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_OCReferenceClear: specifies the OCReference Clear source.
+ * This parameter can be one of the following values:
+ * @arg TIM_OCReferenceClear_ETRF: The internal OCreference clear input is connected to ETRF.
+ * @arg TIM_OCReferenceClear_OCREFCLR: The internal OCreference clear input is connected to OCREF_CLR input.
+ * @retval None
+ */
+void TIM_SelectOCREFClear(TIM_TypeDef* TIMx, uint16_t TIM_OCReferenceClear)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(TIM_OCREFERENCECECLEAR_SOURCE(TIM_OCReferenceClear));
+
+ /* Set the TIM_OCReferenceClear source */
+ TIMx->SMCR &= (uint16_t)~((uint16_t)TIM_SMCR_OCCS);
+ TIMx->SMCR |= TIM_OCReferenceClear;
+}
+
+/**
+ * @brief Enables or disables the TIM Capture Compare Channel x.
+ * @param TIMx: where x can be 1, 2, 3, 14, 15, 16 or 17 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_Channel: specifies the TIM Channel
+ * This parameter can be one of the following values:
+ * @arg TIM_Channel_1: TIM Channel 1
+ * @arg TIM_Channel_2: TIM Channel 2
+ * @arg TIM_Channel_3: TIM Channel 3
+ * @arg TIM_Channel_4: TIM Channel 4
+ * @param TIM_CCx: specifies the TIM Channel CCxE bit new state.
+ * This parameter can be: TIM_CCx_Enable or TIM_CCx_Disable.
+ * @retval None
+ */
+void TIM_CCxCmd(TIM_TypeDef* TIMx, uint16_t TIM_Channel, uint16_t TIM_CCx)
+{
+ uint16_t tmp = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST4_PERIPH(TIMx));
+ assert_param(IS_TIM_CCX(TIM_CCx));
+
+ tmp = CCER_CCE_SET << TIM_Channel;
+
+ /* Reset the CCxE Bit */
+ TIMx->CCER &= (uint16_t)~ tmp;
+
+ /* Set or reset the CCxE Bit */
+ TIMx->CCER |= (uint16_t)(TIM_CCx << TIM_Channel);
+}
+
+/**
+ * @brief Enables or disables the TIM Capture Compare Channel xN.
+ * @param TIMx: where x can be 1, 15, 16 or 17 to select the TIM peripheral.
+ * @param TIM_Channel: specifies the TIM Channel
+ * This parmeter can be one of the following values:
+ * @arg TIM_Channel_1: TIM Channel 1
+ * @arg TIM_Channel_2: TIM Channel 2
+ * @arg TIM_Channel_3: TIM Channel 3
+ * @param TIM_CCxN: specifies the TIM Channel CCxNE bit new state.
+ * This parameter can be: TIM_CCxN_Enable or TIM_CCxN_Disable.
+ * @retval None
+ */
+void TIM_CCxNCmd(TIM_TypeDef* TIMx, uint16_t TIM_Channel, uint16_t TIM_CCxN)
+{
+ uint16_t tmp = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST2_PERIPH(TIMx));
+ assert_param(IS_TIM_COMPLEMENTARY_CHANNEL(TIM_Channel));
+ assert_param(IS_TIM_CCXN(TIM_CCxN));
+
+ tmp = CCER_CCNE_SET << TIM_Channel;
+
+ /* Reset the CCxNE Bit */
+ TIMx->CCER &= (uint16_t) ~tmp;
+
+ /* Set or reset the CCxNE Bit */
+ TIMx->CCER |= (uint16_t)(TIM_CCxN << TIM_Channel);
+}
+
+/**
+ * @brief Selects the TIM peripheral Commutation event.
+ * @param TIMx: where x can be 1, 15, 16 or 17 to select the TIMx peripheral
+ * @param NewState: new state of the Commutation event.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void TIM_SelectCOM(TIM_TypeDef* TIMx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST2_PERIPH(TIMx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+ if (NewState != DISABLE)
+ {
+ /* Set the COM Bit */
+ TIMx->CR2 |= TIM_CR2_CCUS;
+ }
+ else
+ {
+ /* Reset the COM Bit */
+ TIMx->CR2 &= (uint16_t)~((uint16_t)TIM_CR2_CCUS);
+ }
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Group4 Input Capture management functions
+ * @brief Input Capture management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Input Capture management functions #####
+ ===============================================================================
+
+ *** TIM Driver: how to use it in Input Capture Mode ***
+ ===============================================================================
+ [..] To use the Timer in Input Capture mode, the following steps are mandatory:
+ (#) Enable TIM clock using RCC_APBxPeriphClockCmd(RCC_APBxPeriph_TIMx, ENABLE)
+ function.
+ (#) Configure the TIM pins by configuring the corresponding GPIO pins.
+ (#) Configure the Time base unit as described in the first part of this
+ driver, if needed, else the Timer will run with the default configuration:
+ (++) Autoreload value = 0xFFFF.
+ (++) Prescaler value = 0x0000.
+ (++) Counter mode = Up counting.
+ (++) Clock Division = TIM_CKD_DIV1.
+ (#) Fill the TIM_ICInitStruct with the desired parameters including:
+ (++) TIM Channel: TIM_Channel.
+ (++) TIM Input Capture polarity: TIM_ICPolarity.
+ (++) TIM Input Capture selection: TIM_ICSelection.
+ (++) TIM Input Capture Prescaler: TIM_ICPrescaler.
+ (++) TIM Input CApture filter value: TIM_ICFilter.
+ (#) Call TIM_ICInit(TIMx, &TIM_ICInitStruct) to configure the desired
+ channel with the corresponding configuration and to measure only
+ frequency or duty cycle of the input signal,or, Call
+ TIM_PWMIConfig(TIMx, &TIM_ICInitStruct) to configure the desired
+ channels with the corresponding configuration and to measure the
+ frequency and the duty cycle of the input signal.
+ (#) Enable the NVIC or the DMA to read the measured frequency.
+ (#) Enable the corresponding interrupt (or DMA request) to read
+ the Captured value, using the function TIM_ITConfig(TIMx, TIM_IT_CCx)
+ (or TIM_DMA_Cmd(TIMx, TIM_DMA_CCx)).
+ (#) Call the TIM_Cmd(ENABLE) function to enable the TIM counter.
+ (#) Use TIM_GetCapturex(TIMx); to read the captured value.
+ [..]
+ (@) All other functions can be used separately to modify, if needed,
+ a specific feature of the Timer.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Initializes the TIM peripheral according to the specified
+ * parameters in the TIM_ICInitStruct.
+ * @param TIMx: where x can be 1, 2, 3, 14, 15, 16 or 17 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_ICInitStruct: pointer to a TIM_ICInitTypeDef structure
+ * that contains the configuration information for the specified TIM
+ * peripheral.
+ * @retval None
+ */
+void TIM_ICInit(TIM_TypeDef* TIMx, TIM_ICInitTypeDef* TIM_ICInitStruct)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST4_PERIPH(TIMx));
+ assert_param(IS_TIM_CHANNEL(TIM_ICInitStruct->TIM_Channel));
+ assert_param(IS_TIM_IC_SELECTION(TIM_ICInitStruct->TIM_ICSelection));
+ assert_param(IS_TIM_IC_PRESCALER(TIM_ICInitStruct->TIM_ICPrescaler));
+ assert_param(IS_TIM_IC_FILTER(TIM_ICInitStruct->TIM_ICFilter));
+ assert_param(IS_TIM_IC_POLARITY(TIM_ICInitStruct->TIM_ICPolarity));
+
+ if (TIM_ICInitStruct->TIM_Channel == TIM_Channel_1)
+ {
+ assert_param(IS_TIM_LIST4_PERIPH(TIMx));
+ /* TI1 Configuration */
+ TI1_Config(TIMx, TIM_ICInitStruct->TIM_ICPolarity,
+ TIM_ICInitStruct->TIM_ICSelection,
+ TIM_ICInitStruct->TIM_ICFilter);
+ /* Set the Input Capture Prescaler value */
+ TIM_SetIC1Prescaler(TIMx, TIM_ICInitStruct->TIM_ICPrescaler);
+ }
+ else if (TIM_ICInitStruct->TIM_Channel == TIM_Channel_2)
+ {
+ assert_param(IS_TIM_LIST6_PERIPH(TIMx));
+ /* TI2 Configuration */
+ TI2_Config(TIMx, TIM_ICInitStruct->TIM_ICPolarity,
+ TIM_ICInitStruct->TIM_ICSelection,
+ TIM_ICInitStruct->TIM_ICFilter);
+ /* Set the Input Capture Prescaler value */
+ TIM_SetIC2Prescaler(TIMx, TIM_ICInitStruct->TIM_ICPrescaler);
+ }
+ else if (TIM_ICInitStruct->TIM_Channel == TIM_Channel_3)
+ {
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ /* TI3 Configuration */
+ TI3_Config(TIMx, TIM_ICInitStruct->TIM_ICPolarity,
+ TIM_ICInitStruct->TIM_ICSelection,
+ TIM_ICInitStruct->TIM_ICFilter);
+ /* Set the Input Capture Prescaler value */
+ TIM_SetIC3Prescaler(TIMx, TIM_ICInitStruct->TIM_ICPrescaler);
+ }
+ else
+ {
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ /* TI4 Configuration */
+ TI4_Config(TIMx, TIM_ICInitStruct->TIM_ICPolarity,
+ TIM_ICInitStruct->TIM_ICSelection,
+ TIM_ICInitStruct->TIM_ICFilter);
+ /* Set the Input Capture Prescaler value */
+ TIM_SetIC4Prescaler(TIMx, TIM_ICInitStruct->TIM_ICPrescaler);
+ }
+}
+
+/**
+ * @brief Fills each TIM_ICInitStruct member with its default value.
+ * @param TIM_ICInitStruct: pointer to a TIM_ICInitTypeDef structure which will
+ * be initialized.
+ * @retval None
+ */
+void TIM_ICStructInit(TIM_ICInitTypeDef* TIM_ICInitStruct)
+{
+ /* Set the default configuration */
+ TIM_ICInitStruct->TIM_Channel = TIM_Channel_1;
+ TIM_ICInitStruct->TIM_ICPolarity = TIM_ICPolarity_Rising;
+ TIM_ICInitStruct->TIM_ICSelection = TIM_ICSelection_DirectTI;
+ TIM_ICInitStruct->TIM_ICPrescaler = TIM_ICPSC_DIV1;
+ TIM_ICInitStruct->TIM_ICFilter = 0x00;
+}
+
+/**
+ * @brief Configures the TIM peripheral according to the specified
+ * parameters in the TIM_ICInitStruct to measure an external PWM signal.
+ * @param TIMx: where x can be 1, 2, 3 or 15 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_ICInitStruct: pointer to a TIM_ICInitTypeDef structure
+ * that contains the configuration information for the specified TIM
+ * peripheral.
+ * @retval None
+ */
+void TIM_PWMIConfig(TIM_TypeDef* TIMx, TIM_ICInitTypeDef* TIM_ICInitStruct)
+{
+ uint16_t icoppositepolarity = TIM_ICPolarity_Rising;
+ uint16_t icoppositeselection = TIM_ICSelection_DirectTI;
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST6_PERIPH(TIMx));
+ /* Select the Opposite Input Polarity */
+ if (TIM_ICInitStruct->TIM_ICPolarity == TIM_ICPolarity_Rising)
+ {
+ icoppositepolarity = TIM_ICPolarity_Falling;
+ }
+ else
+ {
+ icoppositepolarity = TIM_ICPolarity_Rising;
+ }
+ /* Select the Opposite Input */
+ if (TIM_ICInitStruct->TIM_ICSelection == TIM_ICSelection_DirectTI)
+ {
+ icoppositeselection = TIM_ICSelection_IndirectTI;
+ }
+ else
+ {
+ icoppositeselection = TIM_ICSelection_DirectTI;
+ }
+ if (TIM_ICInitStruct->TIM_Channel == TIM_Channel_1)
+ {
+ /* TI1 Configuration */
+ TI1_Config(TIMx, TIM_ICInitStruct->TIM_ICPolarity, TIM_ICInitStruct->TIM_ICSelection,
+ TIM_ICInitStruct->TIM_ICFilter);
+ /* Set the Input Capture Prescaler value */
+ TIM_SetIC1Prescaler(TIMx, TIM_ICInitStruct->TIM_ICPrescaler);
+ /* TI2 Configuration */
+ TI2_Config(TIMx, icoppositepolarity, icoppositeselection, TIM_ICInitStruct->TIM_ICFilter);
+ /* Set the Input Capture Prescaler value */
+ TIM_SetIC2Prescaler(TIMx, TIM_ICInitStruct->TIM_ICPrescaler);
+ }
+ else
+ {
+ /* TI2 Configuration */
+ TI2_Config(TIMx, TIM_ICInitStruct->TIM_ICPolarity, TIM_ICInitStruct->TIM_ICSelection,
+ TIM_ICInitStruct->TIM_ICFilter);
+ /* Set the Input Capture Prescaler value */
+ TIM_SetIC2Prescaler(TIMx, TIM_ICInitStruct->TIM_ICPrescaler);
+ /* TI1 Configuration */
+ TI1_Config(TIMx, icoppositepolarity, icoppositeselection, TIM_ICInitStruct->TIM_ICFilter);
+ /* Set the Input Capture Prescaler value */
+ TIM_SetIC1Prescaler(TIMx, TIM_ICInitStruct->TIM_ICPrescaler);
+ }
+}
+
+/**
+ * @brief Gets the TIMx Input Capture 1 value.
+ * @param TIMx: where x can be 1, 2, 3, 14, 15, 16 or 17 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @retval Capture Compare 1 Register value.
+ */
+uint32_t TIM_GetCapture1(TIM_TypeDef* TIMx)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST4_PERIPH(TIMx));
+
+ /* Get the Capture 1 Register value */
+ return TIMx->CCR1;
+}
+
+/**
+ * @brief Gets the TIMx Input Capture 2 value.
+ * @param TIMx: where x can be 1, 2, 3 or 15 to select the TIM peripheral.
+ * @retval Capture Compare 2 Register value.
+ */
+uint32_t TIM_GetCapture2(TIM_TypeDef* TIMx)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST6_PERIPH(TIMx));
+
+ /* Get the Capture 2 Register value */
+ return TIMx->CCR2;
+}
+
+/**
+ * @brief Gets the TIMx Input Capture 3 value.
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @retval Capture Compare 3 Register value.
+ */
+uint32_t TIM_GetCapture3(TIM_TypeDef* TIMx)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+
+ /* Get the Capture 3 Register value */
+ return TIMx->CCR3;
+}
+
+/**
+ * @brief Gets the TIMx Input Capture 4 value.
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @retval Capture Compare 4 Register value.
+ */
+uint32_t TIM_GetCapture4(TIM_TypeDef* TIMx)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+
+ /* Get the Capture 4 Register value */
+ return TIMx->CCR4;
+}
+
+/**
+ * @brief Sets the TIMx Input Capture 1 prescaler.
+ * @param TIMx: where x can be 1, 2, 3, 14, 15, 16 or 17 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_ICPSC: specifies the Input Capture1 prescaler new value.
+ * This parameter can be one of the following values:
+ * @arg TIM_ICPSC_DIV1: no prescaler
+ * @arg TIM_ICPSC_DIV2: capture is done once every 2 events
+ * @arg TIM_ICPSC_DIV4: capture is done once every 4 events
+ * @arg TIM_ICPSC_DIV8: capture is done once every 8 events
+ * @retval None
+ */
+void TIM_SetIC1Prescaler(TIM_TypeDef* TIMx, uint16_t TIM_ICPSC)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST4_PERIPH(TIMx));
+ assert_param(IS_TIM_IC_PRESCALER(TIM_ICPSC));
+
+ /* Reset the IC1PSC Bits */
+ TIMx->CCMR1 &= (uint16_t)~((uint16_t)TIM_CCMR1_IC1PSC);
+ /* Set the IC1PSC value */
+ TIMx->CCMR1 |= TIM_ICPSC;
+}
+
+/**
+ * @brief Sets the TIMx Input Capture 2 prescaler.
+ * @param TIMx: where x can be 1, 2, 3 or 15 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_ICPSC: specifies the Input Capture2 prescaler new value.
+ * This parameter can be one of the following values:
+ * @arg TIM_ICPSC_DIV1: no prescaler
+ * @arg TIM_ICPSC_DIV2: capture is done once every 2 events
+ * @arg TIM_ICPSC_DIV4: capture is done once every 4 events
+ * @arg TIM_ICPSC_DIV8: capture is done once every 8 events
+ * @retval None
+ */
+void TIM_SetIC2Prescaler(TIM_TypeDef* TIMx, uint16_t TIM_ICPSC)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST6_PERIPH(TIMx));
+ assert_param(IS_TIM_IC_PRESCALER(TIM_ICPSC));
+
+ /* Reset the IC2PSC Bits */
+ TIMx->CCMR1 &= (uint16_t)~((uint16_t)TIM_CCMR1_IC2PSC);
+ /* Set the IC2PSC value */
+ TIMx->CCMR1 |= (uint16_t)(TIM_ICPSC << 8);
+}
+
+/**
+ * @brief Sets the TIMx Input Capture 3 prescaler.
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_ICPSC: specifies the Input Capture3 prescaler new value.
+ * This parameter can be one of the following values:
+ * @arg TIM_ICPSC_DIV1: no prescaler
+ * @arg TIM_ICPSC_DIV2: capture is done once every 2 events
+ * @arg TIM_ICPSC_DIV4: capture is done once every 4 events
+ * @arg TIM_ICPSC_DIV8: capture is done once every 8 events
+ * @retval None
+ */
+void TIM_SetIC3Prescaler(TIM_TypeDef* TIMx, uint16_t TIM_ICPSC)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_TIM_IC_PRESCALER(TIM_ICPSC));
+
+ /* Reset the IC3PSC Bits */
+ TIMx->CCMR2 &= (uint16_t)~((uint16_t)TIM_CCMR2_IC3PSC);
+ /* Set the IC3PSC value */
+ TIMx->CCMR2 |= TIM_ICPSC;
+}
+
+/**
+ * @brief Sets the TIMx Input Capture 4 prescaler.
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_ICPSC: specifies the Input Capture4 prescaler new value.
+ * This parameter can be one of the following values:
+ * @arg TIM_ICPSC_DIV1: no prescaler
+ * @arg TIM_ICPSC_DIV2: capture is done once every 2 events
+ * @arg TIM_ICPSC_DIV4: capture is done once every 4 events
+ * @arg TIM_ICPSC_DIV8: capture is done once every 8 events
+ * @retval None
+ */
+void TIM_SetIC4Prescaler(TIM_TypeDef* TIMx, uint16_t TIM_ICPSC)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_TIM_IC_PRESCALER(TIM_ICPSC));
+
+ /* Reset the IC4PSC Bits */
+ TIMx->CCMR2 &= (uint16_t)~((uint16_t)TIM_CCMR2_IC4PSC);
+ /* Set the IC4PSC value */
+ TIMx->CCMR2 |= (uint16_t)(TIM_ICPSC << 8);
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Group5 Interrupts DMA and flags management functions
+ * @brief Interrupts, DMA and flags management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Interrupts, DMA and flags management functions #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the specified TIM interrupts.
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, 14, 15, 16 or 17 to select the TIMx peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_IT: specifies the TIM interrupts sources to be enabled or disabled.
+ * This parameter can be any combination of the following values:
+ * @arg TIM_IT_Update: TIM update Interrupt source
+ * @arg TIM_IT_CC1: TIM Capture Compare 1 Interrupt source
+ * @arg TIM_IT_CC2: TIM Capture Compare 2 Interrupt source
+ * @arg TIM_IT_CC3: TIM Capture Compare 3 Interrupt source
+ * @arg TIM_IT_CC4: TIM Capture Compare 4 Interrupt source
+ * @arg TIM_IT_COM: TIM Commutation Interrupt source
+ * @arg TIM_IT_Trigger: TIM Trigger Interrupt source
+ * @arg TIM_IT_Break: TIM Break Interrupt source
+ *
+ * @note TIM6 and TIM7 can only generate an update interrupt.
+ * @note TIM15 can have only TIM_IT_Update, TIM_IT_CC1,TIM_IT_CC2 or TIM_IT_Trigger.
+ * @note TIM14, TIM16 and TIM17 can have TIM_IT_Update or TIM_IT_CC1.
+ * @note TIM_IT_Break is used only with TIM1 and TIM15.
+ * @note TIM_IT_COM is used only with TIM1, TIM15, TIM16 and TIM17.
+ *
+ * @param NewState: new state of the TIM interrupts.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void TIM_ITConfig(TIM_TypeDef* TIMx, uint16_t TIM_IT, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_ALL_PERIPH(TIMx));
+ assert_param(IS_TIM_IT(TIM_IT));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the Interrupt sources */
+ TIMx->DIER |= TIM_IT;
+ }
+ else
+ {
+ /* Disable the Interrupt sources */
+ TIMx->DIER &= (uint16_t)~TIM_IT;
+ }
+}
+
+/**
+ * @brief Configures the TIMx event to be generate by software.
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, 14, 15, 16 or 17 to select the
+ * TIM peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_EventSource: specifies the event source.
+ * This parameter can be one or more of the following values:
+ * @arg TIM_EventSource_Update: Timer update Event source
+ * @arg TIM_EventSource_CC1: Timer Capture Compare 1 Event source
+ * @arg TIM_EventSource_CC2: Timer Capture Compare 2 Event source
+ * @arg TIM_EventSource_CC3: Timer Capture Compare 3 Event source
+ * @arg TIM_EventSource_CC4: Timer Capture Compare 4 Event source
+ * @arg TIM_EventSource_COM: Timer COM event source
+ * @arg TIM_EventSource_Trigger: Timer Trigger Event source
+ * @arg TIM_EventSource_Break: Timer Break event source
+ *
+ * @note TIM6 and TIM7 can only generate an update event.
+ * @note TIM_EventSource_COM and TIM_EventSource_Break are used only with TIM1.
+ *
+ * @retval None
+ */
+void TIM_GenerateEvent(TIM_TypeDef* TIMx, uint16_t TIM_EventSource)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_ALL_PERIPH(TIMx));
+ assert_param(IS_TIM_EVENT_SOURCE(TIM_EventSource));
+ /* Set the event sources */
+ TIMx->EGR = TIM_EventSource;
+}
+
+/**
+ * @brief Checks whether the specified TIM flag is set or not.
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, 14, 15, 16 or 17 to select the TIM peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_FLAG: specifies the flag to check.
+ * This parameter can be one of the following values:
+ * @arg TIM_FLAG_Update: TIM update Flag
+ * @arg TIM_FLAG_CC1: TIM Capture Compare 1 Flag
+ * @arg TIM_FLAG_CC2: TIM Capture Compare 2 Flag
+ * @arg TIM_FLAG_CC3: TIM Capture Compare 3 Flag
+ * @arg TIM_FLAG_CC4: TIM Capture Compare 4 Flag
+ * @arg TIM_FLAG_COM: TIM Commutation Flag
+ * @arg TIM_FLAG_Trigger: TIM Trigger Flag
+ * @arg TIM_FLAG_Break: TIM Break Flag
+ * @arg TIM_FLAG_CC1OF: TIM Capture Compare 1 overcapture Flag
+ * @arg TIM_FLAG_CC2OF: TIM Capture Compare 2 overcapture Flag
+ * @arg TIM_FLAG_CC3OF: TIM Capture Compare 3 overcapture Flag
+ * @arg TIM_FLAG_CC4OF: TIM Capture Compare 4 overcapture Flag
+ *
+ * @note TIM6 and TIM7 can have only one update flag.
+ * @note TIM15 can have only TIM_FLAG_Update, TIM_FLAG_CC1, TIM_FLAG_CC2 or TIM_FLAG_Trigger.
+ * @note TIM14, TIM16 and TIM17 can have TIM_FLAG_Update or TIM_FLAG_CC1.
+ * @note TIM_FLAG_Break is used only with TIM1 and TIM15.
+ * @note TIM_FLAG_COM is used only with TIM1 TIM15, TIM16 and TIM17.
+ *
+ * @retval The new state of TIM_FLAG (SET or RESET).
+ */
+FlagStatus TIM_GetFlagStatus(TIM_TypeDef* TIMx, uint16_t TIM_FLAG)
+{
+ ITStatus bitstatus = RESET;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_ALL_PERIPH(TIMx));
+ assert_param(IS_TIM_GET_FLAG(TIM_FLAG));
+
+ if ((TIMx->SR & TIM_FLAG) != (uint16_t)RESET)
+ {
+ bitstatus = SET;
+ }
+ else
+ {
+ bitstatus = RESET;
+ }
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the TIMx's pending flags.
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, 14, 15, 16 or 17 to select the TIM peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_FLAG: specifies the flag bit to clear.
+ * This parameter can be any combination of the following values:
+ * @arg TIM_FLAG_Update: TIM update Flag
+ * @arg TIM_FLAG_CC1: TIM Capture Compare 1 Flag
+ * @arg TIM_FLAG_CC2: TIM Capture Compare 2 Flag
+ * @arg TIM_FLAG_CC3: TIM Capture Compare 3 Flag
+ * @arg TIM_FLAG_CC4: TIM Capture Compare 4 Flag
+ * @arg TIM_FLAG_COM: TIM Commutation Flag
+ * @arg TIM_FLAG_Trigger: TIM Trigger Flag
+ * @arg TIM_FLAG_Break: TIM Break Flag
+ * @arg TIM_FLAG_CC1OF: TIM Capture Compare 1 overcapture Flag
+ * @arg TIM_FLAG_CC2OF: TIM Capture Compare 2 overcapture Flag
+ * @arg TIM_FLAG_CC3OF: TIM Capture Compare 3 overcapture Flag
+ * @arg TIM_FLAG_CC4OF: TIM Capture Compare 4 overcapture Flag
+ *
+ * @note TIM6 and TIM7 can have only one update flag.
+ * @note TIM15 can have only TIM_FLAG_Update, TIM_FLAG_CC1,TIM_FLAG_CC2 or
+ * TIM_FLAG_Trigger.
+ * @note TIM14, TIM16 and TIM17 can have TIM_FLAG_Update or TIM_FLAG_CC1.
+ * @note TIM_FLAG_Break is used only with TIM1 and TIM15.
+ * @note TIM_FLAG_COM is used only with TIM1, TIM15, TIM16 and TIM17.
+ *
+ * @retval None
+ */
+void TIM_ClearFlag(TIM_TypeDef* TIMx, uint16_t TIM_FLAG)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_ALL_PERIPH(TIMx));
+ assert_param(IS_TIM_CLEAR_FLAG(TIM_FLAG));
+
+ /* Clear the flags */
+ TIMx->SR = (uint16_t)~TIM_FLAG;
+}
+
+/**
+ * @brief Checks whether the TIM interrupt has occurred or not.
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, 14, 15, 16 or 17 to select the TIM peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_IT: specifies the TIM interrupt source to check.
+ * This parameter can be one of the following values:
+ * @arg TIM_IT_Update: TIM update Interrupt source
+ * @arg TIM_IT_CC1: TIM Capture Compare 1 Interrupt source
+ * @arg TIM_IT_CC2: TIM Capture Compare 2 Interrupt source
+ * @arg TIM_IT_CC3: TIM Capture Compare 3 Interrupt source
+ * @arg TIM_IT_CC4: TIM Capture Compare 4 Interrupt source
+ * @arg TIM_IT_COM: TIM Commutation Interrupt source
+ * @arg TIM_IT_Trigger: TIM Trigger Interrupt source
+ * @arg TIM_IT_Break: TIM Break Interrupt source
+ *
+ * @note TIM6 and TIM7 can generate only an update interrupt.
+ * @note TIM15 can have only TIM_IT_Update, TIM_IT_CC1, TIM_IT_CC2 or TIM_IT_Trigger.
+ * @note TIM14, TIM16 and TIM17 can have TIM_IT_Update or TIM_IT_CC1.
+ * @note TIM_IT_Break is used only with TIM1 and TIM15.
+ * @note TIM_IT_COM is used only with TIM1, TIM15, TIM16 and TIM17.
+ *
+ * @retval The new state of the TIM_IT(SET or RESET).
+ */
+ITStatus TIM_GetITStatus(TIM_TypeDef* TIMx, uint16_t TIM_IT)
+{
+ ITStatus bitstatus = RESET;
+ uint16_t itstatus = 0x0, itenable = 0x0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_ALL_PERIPH(TIMx));
+ assert_param(IS_TIM_GET_IT(TIM_IT));
+
+ itstatus = TIMx->SR & TIM_IT;
+
+ itenable = TIMx->DIER & TIM_IT;
+ if ((itstatus != (uint16_t)RESET) && (itenable != (uint16_t)RESET))
+ {
+ bitstatus = SET;
+ }
+ else
+ {
+ bitstatus = RESET;
+ }
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the TIMx's interrupt pending bits.
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, 14, 15, 16 or 17 to select the TIM peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_IT: specifies the pending bit to clear.
+ * This parameter can be any combination of the following values:
+ * @arg TIM_IT_Update: TIM1 update Interrupt source
+ * @arg TIM_IT_CC1: TIM Capture Compare 1 Interrupt source
+ * @arg TIM_IT_CC2: TIM Capture Compare 2 Interrupt source
+ * @arg TIM_IT_CC3: TIM Capture Compare 3 Interrupt source
+ * @arg TIM_IT_CC4: TIM Capture Compare 4 Interrupt source
+ * @arg TIM_IT_COM: TIM Commutation Interrupt source
+ * @arg TIM_IT_Trigger: TIM Trigger Interrupt source
+ * @arg TIM_IT_Break: TIM Break Interrupt source
+ *
+ * @note TIM6 and TIM7 can generate only an update interrupt.
+ * @note TIM15 can have only TIM_IT_Update, TIM_IT_CC1, TIM_IT_CC2 or TIM_IT_Trigger.
+ * @note TIM14, TIM16 and TIM17 can have TIM_IT_Update or TIM_IT_CC1.
+ * @note TIM_IT_Break is used only with TIM1 and TIM15.
+ * @note TIM_IT_COM is used only with TIM1, TIM15, TIM16 and TIM17.
+ *
+ * @retval None
+ */
+void TIM_ClearITPendingBit(TIM_TypeDef* TIMx, uint16_t TIM_IT)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_ALL_PERIPH(TIMx));
+ assert_param(IS_TIM_IT(TIM_IT));
+
+ /* Clear the IT pending Bit */
+ TIMx->SR = (uint16_t)~TIM_IT;
+}
+
+/**
+ * @brief Configures the TIMx's DMA interface.
+ * @param TIMx: where x can be 1, 2, 3, 15, 16 or 17 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_DMABase: DMA Base address.
+ * This parameter can be one of the following values:
+ * @arg TIM_DMABase_CR1
+ * @arg TIM_DMABase_CR2
+ * @arg TIM_DMABase_SMCR
+ * @arg TIM_DMABase_DIER
+ * @arg TIM_DMABase_SR
+ * @arg TIM_DMABase_EGR
+ * @arg TIM_DMABase_CCMR1
+ * @arg TIM_DMABase_CCMR2
+ * @arg TIM_DMABase_CCER
+ * @arg TIM_DMABase_CNT
+ * @arg TIM_DMABase_PSC
+ * @arg TIM_DMABase_ARR
+ * @arg TIM_DMABase_CCR1
+ * @arg TIM_DMABase_CCR2
+ * @arg TIM_DMABase_CCR3
+ * @arg TIM_DMABase_CCR4
+ * @arg TIM_DMABase_DCR
+ * @arg TIM_DMABase_OR
+ * @param TIM_DMABurstLength: DMA Burst length. This parameter can be one value
+ * between: TIM_DMABurstLength_1Transfer and TIM_DMABurstLength_18Transfers.
+ * @retval None
+ */
+void TIM_DMAConfig(TIM_TypeDef* TIMx, uint16_t TIM_DMABase, uint16_t TIM_DMABurstLength)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST4_PERIPH(TIMx));
+ assert_param(IS_TIM_DMA_BASE(TIM_DMABase));
+ assert_param(IS_TIM_DMA_LENGTH(TIM_DMABurstLength));
+ /* Set the DMA Base and the DMA Burst Length */
+ TIMx->DCR = TIM_DMABase | TIM_DMABurstLength;
+}
+
+/**
+ * @brief Enables or disables the TIMx's DMA Requests.
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, 15, 16 or 17 to select the TIM peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_DMASource: specifies the DMA Request sources.
+ * This parameter can be any combination of the following values:
+ * @arg TIM_DMA_Update: TIM update Interrupt source
+ * @arg TIM_DMA_CC1: TIM Capture Compare 1 DMA source
+ * @arg TIM_DMA_CC2: TIM Capture Compare 2 DMA source
+ * @arg TIM_DMA_CC3: TIM Capture Compare 3 DMA source
+ * @arg TIM_DMA_CC4: TIM Capture Compare 4 DMA source
+ * @arg TIM_DMA_COM: TIM Commutation DMA source
+ * @arg TIM_DMA_Trigger: TIM Trigger DMA source
+ * @param NewState: new state of the DMA Request sources.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void TIM_DMACmd(TIM_TypeDef* TIMx, uint16_t TIM_DMASource, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST10_PERIPH(TIMx));
+ assert_param(IS_TIM_DMA_SOURCE(TIM_DMASource));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the DMA sources */
+ TIMx->DIER |= TIM_DMASource;
+ }
+ else
+ {
+ /* Disable the DMA sources */
+ TIMx->DIER &= (uint16_t)~TIM_DMASource;
+ }
+}
+
+/**
+ * @brief Selects the TIMx peripheral Capture Compare DMA source.
+ * @param TIMx: where x can be 1, 2, 3, 15, 16 or 17 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param NewState: new state of the Capture Compare DMA source
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void TIM_SelectCCDMA(TIM_TypeDef* TIMx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST5_PERIPH(TIMx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Set the CCDS Bit */
+ TIMx->CR2 |= TIM_CR2_CCDS;
+ }
+ else
+ {
+ /* Reset the CCDS Bit */
+ TIMx->CR2 &= (uint16_t)~((uint16_t)TIM_CR2_CCDS);
+ }
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Group6 Clocks management functions
+ * @brief Clocks management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Clocks management functions #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Configures the TIMx internal Clock
+ * @param TIMx: where x can be 1, 2, 3, or 15 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @retval None
+ */
+void TIM_InternalClockConfig(TIM_TypeDef* TIMx)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST6_PERIPH(TIMx));
+ /* Disable slave mode to clock the prescaler directly with the internal clock */
+ TIMx->SMCR &= (uint16_t)(~((uint16_t)TIM_SMCR_SMS));
+}
+
+/**
+ * @brief Configures the TIMx Internal Trigger as External Clock
+ * @param TIMx: where x can be 1, 2, 3, or 15 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_ITRSource: Trigger source.
+ * This parameter can be one of the following values:
+ * @arg TIM_TS_ITR0: Internal Trigger 0
+ * @arg TIM_TS_ITR1: Internal Trigger 1
+ * @arg TIM_TS_ITR2: Internal Trigger 2
+ * @arg TIM_TS_ITR3: Internal Trigger 3
+ * @retval None
+ */
+void TIM_ITRxExternalClockConfig(TIM_TypeDef* TIMx, uint16_t TIM_InputTriggerSource)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST6_PERIPH(TIMx));
+ assert_param(IS_TIM_INTERNAL_TRIGGER_SELECTION(TIM_InputTriggerSource));
+ /* Select the Internal Trigger */
+ TIM_SelectInputTrigger(TIMx, TIM_InputTriggerSource);
+ /* Select the External clock mode1 */
+ TIMx->SMCR |= TIM_SlaveMode_External1;
+}
+
+/**
+ * @brief Configures the TIMx Trigger as External Clock
+ * @param TIMx: where x can be 1, 2, 3, or 15 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_TIxExternalCLKSource: Trigger source.
+ * This parameter can be one of the following values:
+ * @arg TIM_TIxExternalCLK1Source_TI1ED: TI1 Edge Detector
+ * @arg TIM_TIxExternalCLK1Source_TI1: Filtered Timer Input 1
+ * @arg TIM_TIxExternalCLK1Source_TI2: Filtered Timer Input 2
+ * @param TIM_ICPolarity: specifies the TIx Polarity.
+ * This parameter can be one of the following values:
+ * @arg TIM_ICPolarity_Rising
+ * @arg TIM_ICPolarity_Falling
+ * @param ICFilter: specifies the filter value.
+ * This parameter must be a value between 0x0 and 0xF.
+ * @retval None
+ */
+void TIM_TIxExternalClockConfig(TIM_TypeDef* TIMx, uint16_t TIM_TIxExternalCLKSource,
+ uint16_t TIM_ICPolarity, uint16_t ICFilter)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST6_PERIPH(TIMx));
+ assert_param(IS_TIM_IC_POLARITY(TIM_ICPolarity));
+ assert_param(IS_TIM_IC_FILTER(ICFilter));
+
+ /* Configure the Timer Input Clock Source */
+ if (TIM_TIxExternalCLKSource == TIM_TIxExternalCLK1Source_TI2)
+ {
+ TI2_Config(TIMx, TIM_ICPolarity, TIM_ICSelection_DirectTI, ICFilter);
+ }
+ else
+ {
+ TI1_Config(TIMx, TIM_ICPolarity, TIM_ICSelection_DirectTI, ICFilter);
+ }
+ /* Select the Trigger source */
+ TIM_SelectInputTrigger(TIMx, TIM_TIxExternalCLKSource);
+ /* Select the External clock mode1 */
+ TIMx->SMCR |= TIM_SlaveMode_External1;
+}
+
+/**
+ * @brief Configures the External clock Mode1
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_ExtTRGPrescaler: The external Trigger Prescaler.
+ * This parameter can be one of the following values:
+ * @arg TIM_ExtTRGPSC_OFF: ETRP Prescaler OFF.
+ * @arg TIM_ExtTRGPSC_DIV2: ETRP frequency divided by 2.
+ * @arg TIM_ExtTRGPSC_DIV4: ETRP frequency divided by 4.
+ * @arg TIM_ExtTRGPSC_DIV8: ETRP frequency divided by 8.
+ * @param TIM_ExtTRGPolarity: The external Trigger Polarity.
+ * This parameter can be one of the following values:
+ * @arg TIM_ExtTRGPolarity_Inverted: active low or falling edge active.
+ * @arg TIM_ExtTRGPolarity_NonInverted: active high or rising edge active.
+ * @param ExtTRGFilter: External Trigger Filter.
+ * This parameter must be a value between 0x00 and 0x0F
+ * @retval None
+ */
+void TIM_ETRClockMode1Config(TIM_TypeDef* TIMx, uint16_t TIM_ExtTRGPrescaler, uint16_t TIM_ExtTRGPolarity,
+ uint16_t ExtTRGFilter)
+{
+ uint16_t tmpsmcr = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_TIM_EXT_PRESCALER(TIM_ExtTRGPrescaler));
+ assert_param(IS_TIM_EXT_POLARITY(TIM_ExtTRGPolarity));
+ assert_param(IS_TIM_EXT_FILTER(ExtTRGFilter));
+
+ /* Configure the ETR Clock source */
+ TIM_ETRConfig(TIMx, TIM_ExtTRGPrescaler, TIM_ExtTRGPolarity, ExtTRGFilter);
+
+ /* Get the TIMx SMCR register value */
+ tmpsmcr = TIMx->SMCR;
+ /* Reset the SMS Bits */
+ tmpsmcr &= (uint16_t)(~((uint16_t)TIM_SMCR_SMS));
+ /* Select the External clock mode1 */
+ tmpsmcr |= TIM_SlaveMode_External1;
+ /* Select the Trigger selection : ETRF */
+ tmpsmcr &= (uint16_t)(~((uint16_t)TIM_SMCR_TS));
+ tmpsmcr |= TIM_TS_ETRF;
+ /* Write to TIMx SMCR */
+ TIMx->SMCR = tmpsmcr;
+}
+
+/**
+ * @brief Configures the External clock Mode2
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_ExtTRGPrescaler: The external Trigger Prescaler.
+ * This parameter can be one of the following values:
+ * @arg TIM_ExtTRGPSC_OFF: ETRP Prescaler OFF.
+ * @arg TIM_ExtTRGPSC_DIV2: ETRP frequency divided by 2.
+ * @arg TIM_ExtTRGPSC_DIV4: ETRP frequency divided by 4.
+ * @arg TIM_ExtTRGPSC_DIV8: ETRP frequency divided by 8.
+ * @param TIM_ExtTRGPolarity: The external Trigger Polarity.
+ * This parameter can be one of the following values:
+ * @arg TIM_ExtTRGPolarity_Inverted: active low or falling edge active.
+ * @arg TIM_ExtTRGPolarity_NonInverted: active high or rising edge active.
+ * @param ExtTRGFilter: External Trigger Filter.
+ * This parameter must be a value between 0x00 and 0x0F
+ * @retval None
+ */
+void TIM_ETRClockMode2Config(TIM_TypeDef* TIMx, uint16_t TIM_ExtTRGPrescaler,
+ uint16_t TIM_ExtTRGPolarity, uint16_t ExtTRGFilter)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_TIM_EXT_PRESCALER(TIM_ExtTRGPrescaler));
+ assert_param(IS_TIM_EXT_POLARITY(TIM_ExtTRGPolarity));
+ assert_param(IS_TIM_EXT_FILTER(ExtTRGFilter));
+
+ /* Configure the ETR Clock source */
+ TIM_ETRConfig(TIMx, TIM_ExtTRGPrescaler, TIM_ExtTRGPolarity, ExtTRGFilter);
+ /* Enable the External clock mode2 */
+ TIMx->SMCR |= TIM_SMCR_ECE;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Group7 Synchronization management functions
+ * @brief Synchronization management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Synchronization management functions #####
+ ===============================================================================
+ *** TIM Driver: how to use it in synchronization Mode ***
+ ===============================================================================
+ [..] Case of two/several Timers
+ (#) Configure the Master Timers using the following functions:
+ (++) void TIM_SelectOutputTrigger(TIM_TypeDef* TIMx,
+ uint16_t TIM_TRGOSource).
+ (++) void TIM_SelectMasterSlaveMode(TIM_TypeDef* TIMx,
+ uint16_t TIM_MasterSlaveMode);
+ (#) Configure the Slave Timers using the following functions:
+ (++) void TIM_SelectInputTrigger(TIM_TypeDef* TIMx,
+ uint16_t TIM_InputTriggerSource);
+ (++) void TIM_SelectSlaveMode(TIM_TypeDef* TIMx, uint16_t TIM_SlaveMode);
+ [..] Case of Timers and external trigger(ETR pin)
+ (#) Configure the Etrenal trigger using this function:
+ (++) void TIM_ETRConfig(TIM_TypeDef* TIMx, uint16_t TIM_ExtTRGPrescaler,
+ uint16_t TIM_ExtTRGPolarity, uint16_t ExtTRGFilter);
+ (#) Configure the Slave Timers using the following functions:
+ (++) void TIM_SelectInputTrigger(TIM_TypeDef* TIMx,
+ uint16_t TIM_InputTriggerSource);
+ (++) void TIM_SelectSlaveMode(TIM_TypeDef* TIMx, uint16_t TIM_SlaveMode);
+
+@endverbatim
+ * @{
+ */
+/**
+ * @brief Selects the Input Trigger source
+ * @param TIMx: where x can be 1, 2, 3 or 15 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_InputTriggerSource: The Input Trigger source.
+ * This parameter can be one of the following values:
+ * @arg TIM_TS_ITR0: Internal Trigger 0
+ * @arg TIM_TS_ITR1: Internal Trigger 1
+ * @arg TIM_TS_ITR2: Internal Trigger 2
+ * @arg TIM_TS_ITR3: Internal Trigger 3
+ * @arg TIM_TS_TI1F_ED: TI1 Edge Detector
+ * @arg TIM_TS_TI1FP1: Filtered Timer Input 1
+ * @arg TIM_TS_TI2FP2: Filtered Timer Input 2
+ * @arg TIM_TS_ETRF: External Trigger input
+ * @retval None
+ */
+void TIM_SelectInputTrigger(TIM_TypeDef* TIMx, uint16_t TIM_InputTriggerSource)
+{
+ uint16_t tmpsmcr = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST6_PERIPH(TIMx));
+ assert_param(IS_TIM_TRIGGER_SELECTION(TIM_InputTriggerSource));
+
+ /* Get the TIMx SMCR register value */
+ tmpsmcr = TIMx->SMCR;
+ /* Reset the TS Bits */
+ tmpsmcr &= (uint16_t)(~((uint16_t)TIM_SMCR_TS));
+ /* Set the Input Trigger source */
+ tmpsmcr |= TIM_InputTriggerSource;
+ /* Write to TIMx SMCR */
+ TIMx->SMCR = tmpsmcr;
+}
+
+/**
+ * @brief Selects the TIMx Trigger Output Mode.
+ * @param TIMx: where x can be 1, 2, 3, 6, 7, or 15 to select the TIM peripheral.
+ * @note TIM7 is applicable only for STM32F072 devices
+ * @note TIM6 is not applivable for STM32F031 devices.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_TRGOSource: specifies the Trigger Output source.
+ * This parameter can be one of the following values:
+ *
+ * - For all TIMx
+ * @arg TIM_TRGOSource_Reset: The UG bit in the TIM_EGR register is used as the trigger output (TRGO).
+ * @arg TIM_TRGOSource_Enable: The Counter Enable CEN is used as the trigger output (TRGO).
+ * @arg TIM_TRGOSource_Update: The update event is selected as the trigger output (TRGO).
+ *
+ * - For all TIMx except TIM6 and TIM7
+ * @arg TIM_TRGOSource_OC1: The trigger output sends a positive pulse when the CC1IF flag
+ * is to be set, as soon as a capture or compare match occurs (TRGO).
+ * @arg TIM_TRGOSource_OC1Ref: OC1REF signal is used as the trigger output (TRGO).
+ * @arg TIM_TRGOSource_OC2Ref: OC2REF signal is used as the trigger output (TRGO).
+ * @arg TIM_TRGOSource_OC3Ref: OC3REF signal is used as the trigger output (TRGO).
+ * @arg TIM_TRGOSource_OC4Ref: OC4REF signal is used as the trigger output (TRGO).
+ *
+ * @retval None
+ */
+void TIM_SelectOutputTrigger(TIM_TypeDef* TIMx, uint16_t TIM_TRGOSource)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST9_PERIPH(TIMx));
+ assert_param(IS_TIM_TRGO_SOURCE(TIM_TRGOSource));
+
+ /* Reset the MMS Bits */
+ TIMx->CR2 &= (uint16_t)~((uint16_t)TIM_CR2_MMS);
+ /* Select the TRGO source */
+ TIMx->CR2 |= TIM_TRGOSource;
+}
+
+/**
+ * @brief Selects the TIMx Slave Mode.
+ * @param TIMx: where x can be 1, 2, 3 or 15 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_SlaveMode: specifies the Timer Slave Mode.
+ * This parameter can be one of the following values:
+ * @arg TIM_SlaveMode_Reset: Rising edge of the selected trigger signal (TRGI) re-initializes
+ * the counter and triggers an update of the registers.
+ * @arg TIM_SlaveMode_Gated: The counter clock is enabled when the trigger signal (TRGI) is high.
+ * @arg TIM_SlaveMode_Trigger: The counter starts at a rising edge of the trigger TRGI.
+ * @arg TIM_SlaveMode_External1: Rising edges of the selected trigger (TRGI) clock the counter.
+ * @retval None
+ */
+void TIM_SelectSlaveMode(TIM_TypeDef* TIMx, uint16_t TIM_SlaveMode)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST6_PERIPH(TIMx));
+ assert_param(IS_TIM_SLAVE_MODE(TIM_SlaveMode));
+
+ /* Reset the SMS Bits */
+ TIMx->SMCR &= (uint16_t)~((uint16_t)TIM_SMCR_SMS);
+ /* Select the Slave Mode */
+ TIMx->SMCR |= TIM_SlaveMode;
+}
+
+/**
+ * @brief Sets or Resets the TIMx Master/Slave Mode.
+ * @param TIMx: where x can be 1, 2, 3, or 15 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_MasterSlaveMode: specifies the Timer Master Slave Mode.
+ * This parameter can be one of the following values:
+ * @arg TIM_MasterSlaveMode_Enable: synchronization between the current timer
+ * and its slaves (through TRGO).
+ * @arg TIM_MasterSlaveMode_Disable: No action
+ * @retval None
+ */
+void TIM_SelectMasterSlaveMode(TIM_TypeDef* TIMx, uint16_t TIM_MasterSlaveMode)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST6_PERIPH(TIMx));
+ assert_param(IS_TIM_MSM_STATE(TIM_MasterSlaveMode));
+
+ /* Reset the MSM Bit */
+ TIMx->SMCR &= (uint16_t)~((uint16_t)TIM_SMCR_MSM);
+
+ /* Set or Reset the MSM Bit */
+ TIMx->SMCR |= TIM_MasterSlaveMode;
+}
+
+/**
+ * @brief Configures the TIMx External Trigger (ETR).
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_ExtTRGPrescaler: The external Trigger Prescaler.
+ * This parameter can be one of the following values:
+ * @arg TIM_ExtTRGPSC_OFF: ETRP Prescaler OFF.
+ * @arg TIM_ExtTRGPSC_DIV2: ETRP frequency divided by 2.
+ * @arg TIM_ExtTRGPSC_DIV4: ETRP frequency divided by 4.
+ * @arg TIM_ExtTRGPSC_DIV8: ETRP frequency divided by 8.
+ * @param TIM_ExtTRGPolarity: The external Trigger Polarity.
+ * This parameter can be one of the following values:
+ * @arg TIM_ExtTRGPolarity_Inverted: active low or falling edge active.
+ * @arg TIM_ExtTRGPolarity_NonInverted: active high or rising edge active.
+ * @param ExtTRGFilter: External Trigger Filter.
+ * This parameter must be a value between 0x00 and 0x0F
+ * @retval None
+ */
+void TIM_ETRConfig(TIM_TypeDef* TIMx, uint16_t TIM_ExtTRGPrescaler, uint16_t TIM_ExtTRGPolarity,
+ uint16_t ExtTRGFilter)
+{
+ uint16_t tmpsmcr = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_TIM_EXT_PRESCALER(TIM_ExtTRGPrescaler));
+ assert_param(IS_TIM_EXT_POLARITY(TIM_ExtTRGPolarity));
+ assert_param(IS_TIM_EXT_FILTER(ExtTRGFilter));
+
+ tmpsmcr = TIMx->SMCR;
+ /* Reset the ETR Bits */
+ tmpsmcr &= SMCR_ETR_MASK;
+ /* Set the Prescaler, the Filter value and the Polarity */
+ tmpsmcr |= (uint16_t)(TIM_ExtTRGPrescaler | (uint16_t)(TIM_ExtTRGPolarity | (uint16_t)(ExtTRGFilter << (uint16_t)8)));
+ /* Write to TIMx SMCR */
+ TIMx->SMCR = tmpsmcr;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Group8 Specific interface management functions
+ * @brief Specific interface management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Specific interface management functions #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Configures the TIMx Encoder Interface.
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_EncoderMode: specifies the TIMx Encoder Mode.
+ * This parameter can be one of the following values:
+ * @arg TIM_EncoderMode_TI1: Counter counts on TI1FP1 edge depending on TI2FP2 level.
+ * @arg TIM_EncoderMode_TI2: Counter counts on TI2FP2 edge depending on TI1FP1 level.
+ * @arg TIM_EncoderMode_TI12: Counter counts on both TI1FP1 and TI2FP2 edges depending
+ * on the level of the other input.
+ * @param TIM_IC1Polarity: specifies the IC1 Polarity
+ * This parmeter can be one of the following values:
+ * @arg TIM_ICPolarity_Falling: IC Falling edge.
+ * @arg TIM_ICPolarity_Rising: IC Rising edge.
+ * @param TIM_IC2Polarity: specifies the IC2 Polarity
+ * This parmeter can be one of the following values:
+ * @arg TIM_ICPolarity_Falling: IC Falling edge.
+ * @arg TIM_ICPolarity_Rising: IC Rising edge.
+ * @retval None
+ */
+void TIM_EncoderInterfaceConfig(TIM_TypeDef* TIMx, uint16_t TIM_EncoderMode,
+ uint16_t TIM_IC1Polarity, uint16_t TIM_IC2Polarity)
+{
+ uint16_t tmpsmcr = 0;
+ uint16_t tmpccmr1 = 0;
+ uint16_t tmpccer = 0;
+
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_TIM_ENCODER_MODE(TIM_EncoderMode));
+ assert_param(IS_TIM_IC_POLARITY(TIM_IC1Polarity));
+ assert_param(IS_TIM_IC_POLARITY(TIM_IC2Polarity));
+
+ /* Get the TIMx SMCR register value */
+ tmpsmcr = TIMx->SMCR;
+ /* Get the TIMx CCMR1 register value */
+ tmpccmr1 = TIMx->CCMR1;
+ /* Get the TIMx CCER register value */
+ tmpccer = TIMx->CCER;
+ /* Set the encoder Mode */
+ tmpsmcr &= (uint16_t)(~((uint16_t)TIM_SMCR_SMS));
+ tmpsmcr |= TIM_EncoderMode;
+ /* Select the Capture Compare 1 and the Capture Compare 2 as input */
+ tmpccmr1 &= (uint16_t)(((uint16_t)~((uint16_t)TIM_CCMR1_CC1S)) & (uint16_t)(~((uint16_t)TIM_CCMR1_CC2S)));
+ tmpccmr1 |= TIM_CCMR1_CC1S_0 | TIM_CCMR1_CC2S_0;
+ /* Set the TI1 and the TI2 Polarities */
+ tmpccer &= (uint16_t)~((uint16_t)(TIM_CCER_CC1P | TIM_CCER_CC1NP)) & (uint16_t)~((uint16_t)(TIM_CCER_CC2P | TIM_CCER_CC2NP));
+ tmpccer |= (uint16_t)(TIM_IC1Polarity | (uint16_t)(TIM_IC2Polarity << (uint16_t)4));
+ /* Write to TIMx SMCR */
+ TIMx->SMCR = tmpsmcr;
+ /* Write to TIMx CCMR1 */
+ TIMx->CCMR1 = tmpccmr1;
+ /* Write to TIMx CCER */
+ TIMx->CCER = tmpccer;
+}
+
+/**
+ * @brief Enables or disables the TIMx's Hall sensor interface.
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param NewState: new state of the TIMx Hall sensor interface.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void TIM_SelectHallSensor(TIM_TypeDef* TIMx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Set the TI1S Bit */
+ TIMx->CR2 |= TIM_CR2_TI1S;
+ }
+ else
+ {
+ /* Reset the TI1S Bit */
+ TIMx->CR2 &= (uint16_t)~((uint16_t)TIM_CR2_TI1S);
+ }
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup TIM_Group9 Specific remapping management function
+ * @brief Specific remapping management function
+ *
+@verbatim
+ ===============================================================================
+ ##### Specific remapping management function #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+/**
+ * @brief Configures the TIM14 Remapping input Capabilities.
+ * @param TIMx: where x can be 14 to select the TIM peripheral.
+ * @param TIM_Remap: specifies the TIM input reampping source.
+ * This parameter can be one of the following values:
+ * @arg TIM14_GPIO: TIM14 Channel 1 is connected to GPIO.
+ * @arg TIM14_RTC_CLK: TIM14 Channel 1 is connected to RTC input clock.
+ * RTC input clock can be LSE, LSI or HSE/div128.
+ * @arg TIM14_HSE_DIV32: TIM14 Channel 1 is connected to HSE/32 clock.
+ * @arg TIM14_MCO: TIM14 Channel 1 is connected to MCO clock.
+ * MCO clock can be HSI14, SYSCLK, HSI, HSE or PLL/2.
+ * @retval None
+ */
+void TIM_RemapConfig(TIM_TypeDef* TIMx, uint16_t TIM_Remap)
+{
+ /* Check the parameters */
+ assert_param(IS_TIM_LIST11_PERIPH(TIMx));
+ assert_param(IS_TIM_REMAP(TIM_Remap));
+
+ /* Set the Timer remapping configuration */
+ TIMx->OR = TIM_Remap;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @brief Configure the TI1 as Input.
+ * @param TIMx: where x can be 1, 2, 3, 14, 15, 16 or 17 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_ICPolarity: The Input Polarity.
+ * This parameter can be one of the following values:
+ * @arg TIM_ICPolarity_Rising
+ * @arg TIM_ICPolarity_Falling
+ * @param TIM_ICSelection: specifies the input to be used.
+ * This parameter can be one of the following values:
+ * @arg TIM_ICSelection_DirectTI: TIM Input 1 is selected to be connected to IC1.
+ * @arg TIM_ICSelection_IndirectTI: TIM Input 1 is selected to be connected to IC2.
+ * @arg TIM_ICSelection_TRC: TIM Input 1 is selected to be connected to TRC.
+ * @param TIM_ICFilter: Specifies the Input Capture Filter.
+ * This parameter must be a value between 0x00 and 0x0F.
+ * @retval None
+ */
+static void TI1_Config(TIM_TypeDef* TIMx, uint16_t TIM_ICPolarity, uint16_t TIM_ICSelection,
+ uint16_t TIM_ICFilter)
+{
+ uint16_t tmpccmr1 = 0, tmpccer = 0;
+ /* Disable the Channel 1: Reset the CC1E Bit */
+ TIMx->CCER &= (uint16_t)~((uint16_t)TIM_CCER_CC1E);
+ tmpccmr1 = TIMx->CCMR1;
+ tmpccer = TIMx->CCER;
+ /* Select the Input and set the filter */
+ tmpccmr1 &= (uint16_t)(((uint16_t)~((uint16_t)TIM_CCMR1_CC1S)) & ((uint16_t)~((uint16_t)TIM_CCMR1_IC1F)));
+ tmpccmr1 |= (uint16_t)(TIM_ICSelection | (uint16_t)(TIM_ICFilter << (uint16_t)4));
+
+ /* Select the Polarity and set the CC1E Bit */
+ tmpccer &= (uint16_t)~((uint16_t)(TIM_CCER_CC1P | TIM_CCER_CC1NP));
+ tmpccer |= (uint16_t)(TIM_ICPolarity | (uint16_t)TIM_CCER_CC1E);
+ /* Write to TIMx CCMR1 and CCER registers */
+ TIMx->CCMR1 = tmpccmr1;
+ TIMx->CCER = tmpccer;
+}
+
+/**
+ * @brief Configure the TI2 as Input.
+ * @param TIMx: where x can be 1, 2, 3, or 15 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_ICPolarity: The Input Polarity.
+ * This parameter can be one of the following values:
+ * @arg TIM_ICPolarity_Rising
+ * @arg TIM_ICPolarity_Falling
+ * @param TIM_ICSelection: specifies the input to be used.
+ * This parameter can be one of the following values:
+ * @arg TIM_ICSelection_DirectTI: TIM Input 2 is selected to be connected to IC2.
+ * @arg TIM_ICSelection_IndirectTI: TIM Input 2 is selected to be connected to IC1.
+ * @arg TIM_ICSelection_TRC: TIM Input 2 is selected to be connected to TRC.
+ * @param TIM_ICFilter: Specifies the Input Capture Filter.
+ * This parameter must be a value between 0x00 and 0x0F.
+ * @retval None
+ */
+static void TI2_Config(TIM_TypeDef* TIMx, uint16_t TIM_ICPolarity, uint16_t TIM_ICSelection,
+ uint16_t TIM_ICFilter)
+{
+ uint16_t tmpccmr1 = 0, tmpccer = 0, tmp = 0;
+ /* Disable the Channel 2: Reset the CC2E Bit */
+ TIMx->CCER &= (uint16_t)~((uint16_t)TIM_CCER_CC2E);
+ tmpccmr1 = TIMx->CCMR1;
+ tmpccer = TIMx->CCER;
+ tmp = (uint16_t)(TIM_ICPolarity << 4);
+ /* Select the Input and set the filter */
+ tmpccmr1 &= (uint16_t)(((uint16_t)~((uint16_t)TIM_CCMR1_CC2S)) & ((uint16_t)~((uint16_t)TIM_CCMR1_IC2F)));
+ tmpccmr1 |= (uint16_t)(TIM_ICFilter << 12);
+ tmpccmr1 |= (uint16_t)(TIM_ICSelection << 8);
+ /* Select the Polarity and set the CC2E Bit */
+ tmpccer &= (uint16_t)~((uint16_t)(TIM_CCER_CC2P | TIM_CCER_CC2NP));
+ tmpccer |= (uint16_t)(tmp | (uint16_t)TIM_CCER_CC2E);
+ /* Write to TIMx CCMR1 and CCER registers */
+ TIMx->CCMR1 = tmpccmr1 ;
+ TIMx->CCER = tmpccer;
+}
+
+/**
+ * @brief Configure the TI3 as Input.
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_ICPolarity: The Input Polarity.
+ * This parameter can be one of the following values:
+ * @arg TIM_ICPolarity_Rising
+ * @arg TIM_ICPolarity_Falling
+ * @param TIM_ICSelection: specifies the input to be used.
+ * This parameter can be one of the following values:
+ * @arg TIM_ICSelection_DirectTI: TIM Input 3 is selected to be connected to IC3.
+ * @arg TIM_ICSelection_IndirectTI: TIM Input 3 is selected to be connected to IC4.
+ * @arg TIM_ICSelection_TRC: TIM Input 3 is selected to be connected to TRC.
+ * @param TIM_ICFilter: Specifies the Input Capture Filter.
+ * This parameter must be a value between 0x00 and 0x0F.
+ * @retval None
+ */
+static void TI3_Config(TIM_TypeDef* TIMx, uint16_t TIM_ICPolarity, uint16_t TIM_ICSelection,
+ uint16_t TIM_ICFilter)
+{
+ uint16_t tmpccmr2 = 0, tmpccer = 0, tmp = 0;
+ /* Disable the Channel 3: Reset the CC3E Bit */
+ TIMx->CCER &= (uint16_t)~((uint16_t)TIM_CCER_CC3E);
+ tmpccmr2 = TIMx->CCMR2;
+ tmpccer = TIMx->CCER;
+ tmp = (uint16_t)(TIM_ICPolarity << 8);
+ /* Select the Input and set the filter */
+ tmpccmr2 &= (uint16_t)(((uint16_t)~((uint16_t)TIM_CCMR2_CC3S)) & ((uint16_t)~((uint16_t)TIM_CCMR2_IC3F)));
+ tmpccmr2 |= (uint16_t)(TIM_ICSelection | (uint16_t)(TIM_ICFilter << (uint16_t)4));
+ /* Select the Polarity and set the CC3E Bit */
+ tmpccer &= (uint16_t)~((uint16_t)(TIM_CCER_CC3P | TIM_CCER_CC3NP));
+ tmpccer |= (uint16_t)(tmp | (uint16_t)TIM_CCER_CC3E);
+ /* Write to TIMx CCMR2 and CCER registers */
+ TIMx->CCMR2 = tmpccmr2;
+ TIMx->CCER = tmpccer;
+}
+
+/**
+ * @brief Configure the TI4 as Input.
+ * @param TIMx: where x can be 1, 2 or 3 to select the TIM peripheral.
+ * @note TIM2 is not applicable for STM32F030 devices.
+ * @param TIM_ICPolarity: The Input Polarity.
+ * This parameter can be one of the following values:
+ * @arg TIM_ICPolarity_Rising
+ * @arg TIM_ICPolarity_Falling
+ * @param TIM_ICSelection: specifies the input to be used.
+ * This parameter can be one of the following values:
+ * @arg TIM_ICSelection_DirectTI: TIM Input 4 is selected to be connected to IC4.
+ * @arg TIM_ICSelection_IndirectTI: TIM Input 4 is selected to be connected to IC3.
+ * @arg TIM_ICSelection_TRC: TIM Input 4 is selected to be connected to TRC.
+ * @param TIM_ICFilter: Specifies the Input Capture Filter.
+ * This parameter must be a value between 0x00 and 0x0F.
+ * @retval None
+ */
+static void TI4_Config(TIM_TypeDef* TIMx, uint16_t TIM_ICPolarity, uint16_t TIM_ICSelection,
+ uint16_t TIM_ICFilter)
+{
+ uint16_t tmpccmr2 = 0, tmpccer = 0, tmp = 0;
+
+ /* Disable the Channel 4: Reset the CC4E Bit */
+ TIMx->CCER &= (uint16_t)~((uint16_t)TIM_CCER_CC4E);
+ tmpccmr2 = TIMx->CCMR2;
+ tmpccer = TIMx->CCER;
+ tmp = (uint16_t)(TIM_ICPolarity << 12);
+ /* Select the Input and set the filter */
+ tmpccmr2 &= (uint16_t)((uint16_t)(~(uint16_t)TIM_CCMR2_CC4S) & ((uint16_t)~((uint16_t)TIM_CCMR2_IC4F)));
+ tmpccmr2 |= (uint16_t)(TIM_ICSelection << 8);
+ tmpccmr2 |= (uint16_t)(TIM_ICFilter << 12);
+ /* Select the Polarity and set the CC4E Bit */
+ tmpccer &= (uint16_t)~((uint16_t)(TIM_CCER_CC4P | TIM_CCER_CC4NP));
+ tmpccer |= (uint16_t)(tmp | (uint16_t)TIM_CCER_CC4E);
+ /* Write to TIMx CCMR2 and CCER registers */
+ TIMx->CCMR2 = tmpccmr2;
+ TIMx->CCER = tmpccer;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_usart.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_usart.c
new file mode 100644
index 00000000..4b81b700
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_usart.c
@@ -0,0 +1,2168 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_usart.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the Universal synchronous asynchronous receiver
+ * transmitter (USART):
+ * + Initialization and Configuration
+ * + STOP Mode
+ * + AutoBaudRate
+ * + Data transfers
+ * + Multi-Processor Communication
+ * + LIN mode
+ * + Half-duplex mode
+ * + Smartcard mode
+ * + IrDA mode
+ * + RS485 mode
+ * + DMA transfers management
+ * + Interrupts and flags management
+ *
+ * @verbatim
+ ===============================================================================
+ ##### How to use this driver #####
+ ===============================================================================
+ [..]
+ (#) Enable peripheral clock using RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE)
+ function for USART1 or using RCC_APB1PeriphClockCmd(RCC_APB1Periph_USARTx, ENABLE)
+ function for USART2 and USART3.
+ (#) According to the USART mode, enable the GPIO clocks using
+ RCC_AHBPeriphClockCmd() function. (The I/O can be TX, RX, CTS,
+ or and SCLK).
+ (#) Peripheral's alternate function:
+ (++) Connect the pin to the desired peripherals' Alternate
+ Function (AF) using GPIO_PinAFConfig() function.
+ (++) Configure the desired pin in alternate function by:
+ GPIO_InitStruct->GPIO_Mode = GPIO_Mode_AF.
+ (++) Select the type, pull-up/pull-down and output speed via
+ GPIO_PuPd, GPIO_OType and GPIO_Speed members.
+ (++) Call GPIO_Init() function.
+ (#) Program the Baud Rate, Word Length , Stop Bit, Parity, Hardware
+ flow control and Mode(Receiver/Transmitter) using the SPI_Init()
+ function.
+ (#) For synchronous mode, enable the clock and program the polarity,
+ phase and last bit using the USART_ClockInit() function.
+ (#) Enable the NVIC and the corresponding interrupt using the function
+ USART_ITConfig() if you need to use interrupt mode.
+ (#) When using the DMA mode:
+ (++) Configure the DMA using DMA_Init() function.
+ (++) Active the needed channel Request using USART_DMACmd() function.
+ (#) Enable the USART using the USART_Cmd() function.
+ (#) Enable the DMA using the DMA_Cmd() function, when using DMA mode.
+ [..]
+ Refer to Multi-Processor, LIN, half-duplex, Smartcard, IrDA sub-sections
+ for more details.
+
+@endverbatim
+
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_usart.h"
+#include "stm32f0xx_rcc.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup USART
+ * @brief USART driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+
+/*!< USART CR1 register clear Mask ((~(uint32_t)0xFFFFE6F3)) */
+#define CR1_CLEAR_MASK ((uint32_t)(USART_CR1_M | USART_CR1_PCE | \
+ USART_CR1_PS | USART_CR1_TE | \
+ USART_CR1_RE))
+
+/*!< USART CR2 register clock bits clear Mask ((~(uint32_t)0xFFFFF0FF)) */
+#define CR2_CLOCK_CLEAR_MASK ((uint32_t)(USART_CR2_CLKEN | USART_CR2_CPOL | \
+ USART_CR2_CPHA | USART_CR2_LBCL))
+
+/*!< USART CR3 register clear Mask ((~(uint32_t)0xFFFFFCFF)) */
+#define CR3_CLEAR_MASK ((uint32_t)(USART_CR3_RTSE | USART_CR3_CTSE))
+
+/*!< USART Interrupts mask */
+#define IT_MASK ((uint32_t)0x000000FF)
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup USART_Private_Functions
+ * @{
+ */
+
+/** @defgroup USART_Group1 Initialization and Configuration functions
+ * @brief Initialization and Configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Initialization and Configuration functions #####
+ ===============================================================================
+ [..]
+ This subsection provides a set of functions allowing to initialize the USART
+ in asynchronous and in synchronous modes.
+ (+) For the asynchronous mode only these parameters can be configured:
+ (++) Baud Rate.
+ (++) Word Length.
+ (++) Stop Bit.
+ (++) Parity: If the parity is enabled, then the MSB bit of the data written
+ in the data register is transmitted but is changed by the parity bit.
+ Depending on the frame length defined by the M bit (8-bits or 9-bits),
+ the possible USART frame formats are as listed in the following table:
+
+ +-------------------------------------------------------------+
+ | M bit | PCE bit | USART frame |
+ |---------------------|---------------------------------------|
+ | 0 | 0 | | SB | 8 bit data | STB | |
+ |---------|-----------|---------------------------------------|
+ | 0 | 1 | | SB | 7 bit data | PB | STB | |
+ |---------|-----------|---------------------------------------|
+ | 1 | 0 | | SB | 9 bit data | STB | |
+ |---------|-----------|---------------------------------------|
+ | 1 | 1 | | SB | 8 bit data | PB | STB | |
+ +-------------------------------------------------------------+
+
+ (++) Hardware flow control.
+ (++) Receiver/transmitter modes.
+ [..] The USART_Init() function follows the USART asynchronous configuration
+ procedure(details for the procedure are available in reference manual.
+ (+) For the synchronous mode in addition to the asynchronous mode parameters
+ these parameters should be also configured:
+ (++) USART Clock Enabled.
+ (++) USART polarity.
+ (++) USART phase.
+ (++) USART LastBit.
+ [..] These parameters can be configured using the USART_ClockInit() function.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Deinitializes the USARTx peripheral registers to their default reset values.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @retval None
+ */
+void USART_DeInit(USART_TypeDef* USARTx)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+
+ if (USARTx == USART1)
+ {
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_USART1, ENABLE);
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_USART1, DISABLE);
+ }
+ else if (USARTx == USART2)
+ {
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_USART2, ENABLE);
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_USART2, DISABLE);
+ }
+ else if (USARTx == USART3)
+ {
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_USART3, ENABLE);
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_USART3, DISABLE);
+ }
+ else if (USARTx == USART4)
+ {
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_USART4, ENABLE);
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_USART4, DISABLE);
+ }
+ else if (USARTx == USART5)
+ {
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_USART5, ENABLE);
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_USART5, DISABLE);
+ }
+ else if (USARTx == USART6)
+ {
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_USART6, ENABLE);
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_USART6, DISABLE);
+ }
+ else if (USARTx == USART7)
+ {
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_USART7, ENABLE);
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_USART7, DISABLE);
+ }
+ else
+ {
+ if (USARTx == USART8)
+ {
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_USART8, ENABLE);
+ RCC_APB2PeriphResetCmd(RCC_APB2Periph_USART8, DISABLE);
+ }
+ }
+}
+
+/**
+ * @brief Initializes the USARTx peripheral according to the specified
+ * parameters in the USART_InitStruct .
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param USART_InitStruct: pointer to a USART_InitTypeDef structure that contains
+ * the configuration information for the specified USART peripheral.
+ * @retval None
+ */
+void USART_Init(USART_TypeDef* USARTx, USART_InitTypeDef* USART_InitStruct)
+{
+ uint32_t divider = 0, apbclock = 0, tmpreg = 0;
+ RCC_ClocksTypeDef RCC_ClocksStatus;
+
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_USART_BAUDRATE(USART_InitStruct->USART_BaudRate));
+ assert_param(IS_USART_WORD_LENGTH(USART_InitStruct->USART_WordLength));
+ assert_param(IS_USART_STOPBITS(USART_InitStruct->USART_StopBits));
+ assert_param(IS_USART_PARITY(USART_InitStruct->USART_Parity));
+ assert_param(IS_USART_MODE(USART_InitStruct->USART_Mode));
+ assert_param(IS_USART_HARDWARE_FLOW_CONTROL(USART_InitStruct->USART_HardwareFlowControl));
+
+ /* Disable USART */
+ USARTx->CR1 &= (uint32_t)~((uint32_t)USART_CR1_UE);
+
+ /*---------------------------- USART CR2 Configuration -----------------------*/
+ tmpreg = USARTx->CR2;
+ /* Clear STOP[13:12] bits */
+ tmpreg &= (uint32_t)~((uint32_t)USART_CR2_STOP);
+
+ /* Configure the USART Stop Bits, Clock, CPOL, CPHA and LastBit ------------*/
+ /* Set STOP[13:12] bits according to USART_StopBits value */
+ tmpreg |= (uint32_t)USART_InitStruct->USART_StopBits;
+
+ /* Write to USART CR2 */
+ USARTx->CR2 = tmpreg;
+
+ /*---------------------------- USART CR1 Configuration -----------------------*/
+ tmpreg = USARTx->CR1;
+ /* Clear M, PCE, PS, TE and RE bits */
+ tmpreg &= (uint32_t)~((uint32_t)CR1_CLEAR_MASK);
+
+ /* Configure the USART Word Length, Parity and mode ----------------------- */
+ /* Set the M bits according to USART_WordLength value */
+ /* Set PCE and PS bits according to USART_Parity value */
+ /* Set TE and RE bits according to USART_Mode value */
+ tmpreg |= (uint32_t)USART_InitStruct->USART_WordLength | USART_InitStruct->USART_Parity |
+ USART_InitStruct->USART_Mode;
+
+ /* Write to USART CR1 */
+ USARTx->CR1 = tmpreg;
+
+ /*---------------------------- USART CR3 Configuration -----------------------*/
+ tmpreg = USARTx->CR3;
+ /* Clear CTSE and RTSE bits */
+ tmpreg &= (uint32_t)~((uint32_t)CR3_CLEAR_MASK);
+
+ /* Configure the USART HFC -------------------------------------------------*/
+ /* Set CTSE and RTSE bits according to USART_HardwareFlowControl value */
+ tmpreg |= USART_InitStruct->USART_HardwareFlowControl;
+
+ /* Write to USART CR3 */
+ USARTx->CR3 = tmpreg;
+
+ /*---------------------------- USART BRR Configuration -----------------------*/
+ /* Configure the USART Baud Rate -------------------------------------------*/
+ RCC_GetClocksFreq(&RCC_ClocksStatus);
+
+ if (USARTx == USART1)
+ {
+ apbclock = RCC_ClocksStatus.USART1CLK_Frequency;
+ }
+ else if (USARTx == USART2)
+ {
+ apbclock = RCC_ClocksStatus.USART2CLK_Frequency;
+ }
+ else if (USARTx == USART3)
+ {
+ apbclock = RCC_ClocksStatus.USART3CLK_Frequency;
+ }
+ else
+ {
+ apbclock = RCC_ClocksStatus.PCLK_Frequency;
+ }
+
+ /* Determine the integer part */
+ if ((USARTx->CR1 & USART_CR1_OVER8) != 0)
+ {
+ /* (divider * 10) computing in case Oversampling mode is 8 Samples */
+ divider = (uint32_t)((2 * apbclock) / (USART_InitStruct->USART_BaudRate));
+ tmpreg = (uint32_t)((2 * apbclock) % (USART_InitStruct->USART_BaudRate));
+ }
+ else /* if ((USARTx->CR1 & CR1_OVER8_Set) == 0) */
+ {
+ /* (divider * 10) computing in case Oversampling mode is 16 Samples */
+ divider = (uint32_t)((apbclock) / (USART_InitStruct->USART_BaudRate));
+ tmpreg = (uint32_t)((apbclock) % (USART_InitStruct->USART_BaudRate));
+ }
+
+ /* round the divider : if fractional part i greater than 0.5 increment divider */
+ if (tmpreg >= (USART_InitStruct->USART_BaudRate) / 2)
+ {
+ divider++;
+ }
+
+ /* Implement the divider in case Oversampling mode is 8 Samples */
+ if ((USARTx->CR1 & USART_CR1_OVER8) != 0)
+ {
+ /* get the LSB of divider and shift it to the right by 1 bit */
+ tmpreg = (divider & (uint16_t)0x000F) >> 1;
+
+ /* update the divider value */
+ divider = (divider & (uint16_t)0xFFF0) | tmpreg;
+ }
+
+ /* Write to USART BRR */
+ USARTx->BRR = (uint16_t)divider;
+}
+
+/**
+ * @brief Fills each USART_InitStruct member with its default value.
+ * @param USART_InitStruct: pointer to a USART_InitTypeDef structure
+ * which will be initialized.
+ * @retval None
+ */
+void USART_StructInit(USART_InitTypeDef* USART_InitStruct)
+{
+ /* USART_InitStruct members default value */
+ USART_InitStruct->USART_BaudRate = 9600;
+ USART_InitStruct->USART_WordLength = USART_WordLength_8b;
+ USART_InitStruct->USART_StopBits = USART_StopBits_1;
+ USART_InitStruct->USART_Parity = USART_Parity_No ;
+ USART_InitStruct->USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
+ USART_InitStruct->USART_HardwareFlowControl = USART_HardwareFlowControl_None;
+}
+
+/**
+ * @brief Initializes the USARTx peripheral Clock according to the
+ * specified parameters in the USART_ClockInitStruct.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param USART_ClockInitStruct: pointer to a USART_ClockInitTypeDef
+ * structure that contains the configuration information for the specified
+ * USART peripheral.
+ * @retval None
+ */
+void USART_ClockInit(USART_TypeDef* USARTx, USART_ClockInitTypeDef* USART_ClockInitStruct)
+{
+ uint32_t tmpreg = 0;
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_USART_CLOCK(USART_ClockInitStruct->USART_Clock));
+ assert_param(IS_USART_CPOL(USART_ClockInitStruct->USART_CPOL));
+ assert_param(IS_USART_CPHA(USART_ClockInitStruct->USART_CPHA));
+ assert_param(IS_USART_LASTBIT(USART_ClockInitStruct->USART_LastBit));
+/*---------------------------- USART CR2 Configuration -----------------------*/
+ tmpreg = USARTx->CR2;
+ /* Clear CLKEN, CPOL, CPHA, LBCL and SSM bits */
+ tmpreg &= (uint32_t)~((uint32_t)CR2_CLOCK_CLEAR_MASK);
+ /* Configure the USART Clock, CPOL, CPHA, LastBit and SSM ------------*/
+ /* Set CLKEN bit according to USART_Clock value */
+ /* Set CPOL bit according to USART_CPOL value */
+ /* Set CPHA bit according to USART_CPHA value */
+ /* Set LBCL bit according to USART_LastBit value */
+ tmpreg |= (uint32_t)(USART_ClockInitStruct->USART_Clock | USART_ClockInitStruct->USART_CPOL |
+ USART_ClockInitStruct->USART_CPHA | USART_ClockInitStruct->USART_LastBit);
+ /* Write to USART CR2 */
+ USARTx->CR2 = tmpreg;
+}
+
+/**
+ * @brief Fills each USART_ClockInitStruct member with its default value.
+ * @param USART_ClockInitStruct: pointer to a USART_ClockInitTypeDef
+ * structure which will be initialized.
+ * @retval None
+ */
+void USART_ClockStructInit(USART_ClockInitTypeDef* USART_ClockInitStruct)
+{
+ /* USART_ClockInitStruct members default value */
+ USART_ClockInitStruct->USART_Clock = USART_Clock_Disable;
+ USART_ClockInitStruct->USART_CPOL = USART_CPOL_Low;
+ USART_ClockInitStruct->USART_CPHA = USART_CPHA_1Edge;
+ USART_ClockInitStruct->USART_LastBit = USART_LastBit_Disable;
+}
+
+/**
+ * @brief Enables or disables the specified USART peripheral.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param NewState: new state of the USARTx peripheral.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void USART_Cmd(USART_TypeDef* USARTx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected USART by setting the UE bit in the CR1 register */
+ USARTx->CR1 |= USART_CR1_UE;
+ }
+ else
+ {
+ /* Disable the selected USART by clearing the UE bit in the CR1 register */
+ USARTx->CR1 &= (uint32_t)~((uint32_t)USART_CR1_UE);
+ }
+}
+
+/**
+ * @brief Enables or disables the USART's transmitter or receiver.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param USART_Direction: specifies the USART direction.
+ * This parameter can be any combination of the following values:
+ * @arg USART_Mode_Tx: USART Transmitter
+ * @arg USART_Mode_Rx: USART Receiver
+ * @param NewState: new state of the USART transfer direction.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void USART_DirectionModeCmd(USART_TypeDef* USARTx, uint32_t USART_DirectionMode, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_USART_MODE(USART_DirectionMode));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the USART's transfer interface by setting the TE and/or RE bits
+ in the USART CR1 register */
+ USARTx->CR1 |= USART_DirectionMode;
+ }
+ else
+ {
+ /* Disable the USART's transfer interface by clearing the TE and/or RE bits
+ in the USART CR3 register */
+ USARTx->CR1 &= (uint32_t)~USART_DirectionMode;
+ }
+}
+
+/**
+ * @brief Enables or disables the USART's 8x oversampling mode.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param NewState: new state of the USART 8x oversampling mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @note This function has to be called before calling USART_Init() function
+ * in order to have correct baudrate Divider value.
+ * @retval None
+ */
+void USART_OverSampling8Cmd(USART_TypeDef* USARTx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the 8x Oversampling mode by setting the OVER8 bit in the CR1 register */
+ USARTx->CR1 |= USART_CR1_OVER8;
+ }
+ else
+ {
+ /* Disable the 8x Oversampling mode by clearing the OVER8 bit in the CR1 register */
+ USARTx->CR1 &= (uint32_t)~((uint32_t)USART_CR1_OVER8);
+ }
+}
+
+/**
+ * @brief Enables or disables the USART's one bit sampling method.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param NewState: new state of the USART one bit sampling method.
+ * This parameter can be: ENABLE or DISABLE.
+ * @note This function has to be called before calling USART_Cmd() function.
+ * @retval None
+ */
+void USART_OneBitMethodCmd(USART_TypeDef* USARTx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the one bit method by setting the ONEBITE bit in the CR3 register */
+ USARTx->CR3 |= USART_CR3_ONEBIT;
+ }
+ else
+ {
+ /* Disable the one bit method by clearing the ONEBITE bit in the CR3 register */
+ USARTx->CR3 &= (uint32_t)~((uint32_t)USART_CR3_ONEBIT);
+ }
+}
+
+/**
+ * @brief Enables or disables the USART's most significant bit first
+ * transmitted/received following the start bit.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param NewState: new state of the USART most significant bit first
+ * transmitted/received following the start bit.
+ * This parameter can be: ENABLE or DISABLE.
+ * @note This function has to be called before calling USART_Cmd() function.
+ * @retval None
+ */
+void USART_MSBFirstCmd(USART_TypeDef* USARTx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the most significant bit first transmitted/received following the
+ start bit by setting the MSBFIRST bit in the CR2 register */
+ USARTx->CR2 |= USART_CR2_MSBFIRST;
+ }
+ else
+ {
+ /* Disable the most significant bit first transmitted/received following the
+ start bit by clearing the MSBFIRST bit in the CR2 register */
+ USARTx->CR2 &= (uint32_t)~((uint32_t)USART_CR2_MSBFIRST);
+ }
+}
+
+/**
+ * @brief Enables or disables the binary data inversion.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param NewState: new defined levels for the USART data.
+ * This parameter can be:
+ * @arg ENABLE: Logical data from the data register are send/received in negative
+ * logic (1=L, 0=H). The parity bit is also inverted.
+ * @arg DISABLE: Logical data from the data register are send/received in positive
+ * logic (1=H, 0=L)
+ * @note This function has to be called before calling USART_Cmd() function.
+ * @retval None
+ */
+void USART_DataInvCmd(USART_TypeDef* USARTx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the binary data inversion feature by setting the DATAINV bit in
+ the CR2 register */
+ USARTx->CR2 |= USART_CR2_DATAINV;
+ }
+ else
+ {
+ /* Disable the binary data inversion feature by clearing the DATAINV bit in
+ the CR2 register */
+ USARTx->CR2 &= (uint32_t)~((uint32_t)USART_CR2_DATAINV);
+ }
+}
+
+/**
+ * @brief Enables or disables the Pin(s) active level inversion.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param USART_InvPin: specifies the USART pin(s) to invert.
+ * This parameter can be any combination of the following values:
+ * @arg USART_InvPin_Tx: USART Tx pin active level inversion.
+ * @arg USART_InvPin_Rx: USART Rx pin active level inversion.
+ * @param NewState: new active level status for the USART pin(s).
+ * This parameter can be:
+ * @arg ENABLE: pin(s) signal values are inverted (Vdd =0, Gnd =1).
+ * @arg DISABLE: pin(s) signal works using the standard logic levels (Vdd =1, Gnd =0).
+ * @note This function has to be called before calling USART_Cmd() function.
+ * @retval None
+ */
+void USART_InvPinCmd(USART_TypeDef* USARTx, uint32_t USART_InvPin, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_USART_INVERSTION_PIN(USART_InvPin));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the active level inversion for selected pins by setting the TXINV
+ and/or RXINV bits in the USART CR2 register */
+ USARTx->CR2 |= USART_InvPin;
+ }
+ else
+ {
+ /* Disable the active level inversion for selected requests by clearing the
+ TXINV and/or RXINV bits in the USART CR2 register */
+ USARTx->CR2 &= (uint32_t)~USART_InvPin;
+ }
+}
+
+/**
+ * @brief Enables or disables the swap Tx/Rx pins.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param NewState: new state of the USARTx TX/RX pins pinout.
+ * This parameter can be:
+ * @arg ENABLE: The TX and RX pins functions are swapped.
+ * @arg DISABLE: TX/RX pins are used as defined in standard pinout
+ * @note This function has to be called before calling USART_Cmd() function.
+ * @retval None
+ */
+void USART_SWAPPinCmd(USART_TypeDef* USARTx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the SWAP feature by setting the SWAP bit in the CR2 register */
+ USARTx->CR2 |= USART_CR2_SWAP;
+ }
+ else
+ {
+ /* Disable the SWAP feature by clearing the SWAP bit in the CR2 register */
+ USARTx->CR2 &= (uint32_t)~((uint32_t)USART_CR2_SWAP);
+ }
+}
+
+/**
+ * @brief Enables or disables the receiver Time Out feature.
+ * @param USARTx: where x can be 1, 2 or 3 to select the USART peripheral.
+ * @note USART2 is available only for STM32F072 and STM32F091 devices.
+ * @note USART3 is available only for STM32F091 devices.
+ * @param NewState: new state of the USARTx receiver Time Out.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void USART_ReceiverTimeOutCmd(USART_TypeDef* USARTx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_123_PERIPH(USARTx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the receiver time out feature by setting the RTOEN bit in the CR2
+ register */
+ USARTx->CR2 |= USART_CR2_RTOEN;
+ }
+ else
+ {
+ /* Disable the receiver time out feature by clearing the RTOEN bit in the CR2
+ register */
+ USARTx->CR2 &= (uint32_t)~((uint32_t)USART_CR2_RTOEN);
+ }
+}
+
+/**
+ * @brief Sets the receiver Time Out value.
+ * @param USARTx: where x can be 1, 2 or 3 to select the USART peripheral.
+ * @note USART2 is available only for STM32F072 and STM32F091 devices.
+ * @note USART3 is available only for STM32F091 devices.
+ * @param USART_ReceiverTimeOut: specifies the Receiver Time Out value.
+ * @retval None
+ */
+void USART_SetReceiverTimeOut(USART_TypeDef* USARTx, uint32_t USART_ReceiverTimeOut)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_123_PERIPH(USARTx));
+ assert_param(IS_USART_TIMEOUT(USART_ReceiverTimeOut));
+
+ /* Clear the receiver Time Out value by clearing the RTO[23:0] bits in the RTOR
+ register */
+ USARTx->RTOR &= (uint32_t)~((uint32_t)USART_RTOR_RTO);
+ /* Set the receiver Time Out value by setting the RTO[23:0] bits in the RTOR
+ register */
+ USARTx->RTOR |= USART_ReceiverTimeOut;
+}
+
+/**
+ * @brief Sets the system clock prescaler.
+ * @note This function is not available for STM32F030 devices.
+ * @param USARTx: where x can be 1, 2 or 3 to select the USART peripheral.
+ * @note USART2 is available only for STM32F072 and STM32F091 devices.
+ * @note USART3 is available only for STM32F091 devices.
+ * @param USART_Prescaler: specifies the prescaler clock.
+ * @note This function has to be called before calling USART_Cmd() function.
+ * @retval None
+ */
+void USART_SetPrescaler(USART_TypeDef* USARTx, uint8_t USART_Prescaler)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_123_PERIPH(USARTx));
+
+ /* Clear the USART prescaler */
+ USARTx->GTPR &= USART_GTPR_GT;
+ /* Set the USART prescaler */
+ USARTx->GTPR |= USART_Prescaler;
+}
+
+/**
+ * @}
+ */
+
+
+/** @defgroup USART_Group2 STOP Mode functions
+ * @brief STOP Mode functions
+ *
+@verbatim
+ ===============================================================================
+ ##### STOP Mode functions #####
+ ===============================================================================
+ [..] This subsection provides a set of functions allowing to manage
+ WakeUp from STOP mode.
+
+ [..] The USART is able to WakeUp from Stop Mode if USART clock is set to HSI
+ or LSI.
+
+ [..] The WakeUp source is configured by calling USART_StopModeWakeUpSourceConfig()
+ function.
+
+ [..] After configuring the source of WakeUp and before entering in Stop Mode
+ USART_STOPModeCmd() function should be called to allow USART WakeUp.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the specified USART peripheral in STOP Mode.
+ * @param USARTx: where x can be 1 or 2 or 3 to select the USART peripheral.
+ * @note USART2 is available only for STM32F072 and STM32F091 devices.
+ * @note USART3 is available only for STM32F091 devices.
+ * @param NewState: new state of the USARTx peripheral state in stop mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @note This function has to be called when USART clock is set to HSI or LSE.
+ * @retval None
+ */
+void USART_STOPModeCmd(USART_TypeDef* USARTx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_123_PERIPH(USARTx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the selected USART in STOP mode by setting the UESM bit in the CR1
+ register */
+ USARTx->CR1 |= USART_CR1_UESM;
+ }
+ else
+ {
+ /* Disable the selected USART in STOP mode by clearing the UE bit in the CR1
+ register */
+ USARTx->CR1 &= (uint32_t)~((uint32_t)USART_CR1_UESM);
+ }
+}
+
+/**
+ * @brief Selects the USART WakeUp method form stop mode.
+ * @note This function is not available for STM32F030 devices.
+ * @param USARTx: where x can be 1 or 2 or 3 to select the USART peripheral.
+ * @note USART2 is available only for STM32F072 and STM32F091 devices.
+ * @note USART3 is available only for STM32F091 devices.
+ * @param USART_WakeUp: specifies the selected USART wakeup method.
+ * This parameter can be one of the following values:
+ * @arg USART_WakeUpSource_AddressMatch: WUF active on address match.
+ * @arg USART_WakeUpSource_StartBit: WUF active on Start bit detection.
+ * @arg USART_WakeUpSource_RXNE: WUF active on RXNE.
+ * @note This function has to be called before calling USART_Cmd() function.
+ * @retval None
+ */
+void USART_StopModeWakeUpSourceConfig(USART_TypeDef* USARTx, uint32_t USART_WakeUpSource)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_123_PERIPH(USARTx));
+ assert_param(IS_USART_STOPMODE_WAKEUPSOURCE(USART_WakeUpSource));
+
+ USARTx->CR3 &= (uint32_t)~((uint32_t)USART_CR3_WUS);
+ USARTx->CR3 |= USART_WakeUpSource;
+}
+
+/**
+ * @}
+ */
+
+
+/** @defgroup USART_Group3 AutoBaudRate functions
+ * @brief AutoBaudRate functions
+ *
+@verbatim
+ ===============================================================================
+ ##### AutoBaudRate functions #####
+ ===============================================================================
+ [..] This subsection provides a set of functions allowing to manage
+ the AutoBaudRate detections.
+
+ [..] Before Enabling AutoBaudRate detection using USART_AutoBaudRateCmd ()
+ The character patterns used to calculate baudrate must be chosen by calling
+ USART_AutoBaudRateConfig() function. These function take as parameter :
+ (#)USART_AutoBaudRate_StartBit : any character starting with a bit 1.
+ (#)USART_AutoBaudRate_FallingEdge : any character starting with a 10xx bit pattern.
+
+ [..] At any later time, another request for AutoBaudRate detection can be performed
+ using USART_RequestCmd() function.
+
+ [..] The AutoBaudRate detection is monitored by the status of ABRF flag which indicate
+ that the AutoBaudRate detection is completed. In addition to ABRF flag, the ABRE flag
+ indicate that this procedure is completed without success. USART_GetFlagStatus ()
+ function should be used to monitor the status of these flags.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the Auto Baud Rate.
+ * @param USARTx: where x can be 1or 2 to select the USART peripheral.
+ * @note USART2 is available only for STM32F072 and STM32F091 devices.
+ * @note USART3 is available only for STM32F091 devices.
+ * @param NewState: new state of the USARTx auto baud rate.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void USART_AutoBaudRateCmd(USART_TypeDef* USARTx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_123_PERIPH(USARTx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the auto baud rate feature by setting the ABREN bit in the CR2
+ register */
+ USARTx->CR2 |= USART_CR2_ABREN;
+ }
+ else
+ {
+ /* Disable the auto baud rate feature by clearing the ABREN bit in the CR2
+ register */
+ USARTx->CR2 &= (uint32_t)~((uint32_t)USART_CR2_ABREN);
+ }
+}
+
+/**
+ * @brief Selects the USART auto baud rate method.
+ * @param USARTx: where x can be 1or 2 to select the USART peripheral.
+ * @note USART2 is available only for STM32F072 and STM32F091 devices.
+ * @note USART3 is available only for STM32F091 devices.
+ * @param USART_AutoBaudRate: specifies the selected USART auto baud rate method.
+ * This parameter can be one of the following values:
+ * @arg USART_AutoBaudRate_StartBit: Start Bit duration measurement.
+ * @arg USART_AutoBaudRate_FallingEdge: Falling edge to falling edge measurement.
+ * @note This function has to be called before calling USART_Cmd() function.
+ * @retval None
+ */
+void USART_AutoBaudRateConfig(USART_TypeDef* USARTx, uint32_t USART_AutoBaudRate)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_123_PERIPH(USARTx));
+ assert_param(IS_USART_AUTOBAUDRATE_MODE(USART_AutoBaudRate));
+
+ USARTx->CR2 &= (uint32_t)~((uint32_t)USART_CR2_ABRMODE);
+ USARTx->CR2 |= USART_AutoBaudRate;
+}
+
+/**
+ * @}
+ */
+
+
+/** @defgroup USART_Group4 Data transfers functions
+ * @brief Data transfers functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Data transfers functions #####
+ ===============================================================================
+ [..] This subsection provides a set of functions allowing to manage
+ the USART data transfers.
+ [..] During an USART reception, data shifts in least significant bit first
+ through the RX pin. When a transmission is taking place, a write instruction to
+ the USART_TDR register stores the data in the shift register.
+ [..] The read access of the USART_RDR register can be done using
+ the USART_ReceiveData() function and returns the RDR value.
+ Whereas a write access to the USART_TDR can be done using USART_SendData()
+ function and stores the written data into TDR.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Transmits single data through the USARTx peripheral.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param Data: the data to transmit.
+ * @retval None
+ */
+void USART_SendData(USART_TypeDef* USARTx, uint16_t Data)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_USART_DATA(Data));
+
+ /* Transmit Data */
+ USARTx->TDR = (Data & (uint16_t)0x01FF);
+}
+
+/**
+ * @brief Returns the most recent received data by the USARTx peripheral.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @retval The received data.
+ */
+uint16_t USART_ReceiveData(USART_TypeDef* USARTx)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+
+ /* Receive Data */
+ return (uint16_t)(USARTx->RDR & (uint16_t)0x01FF);
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup USART_Group5 MultiProcessor Communication functions
+ * @brief Multi-Processor Communication functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Multi-Processor Communication functions #####
+ ===============================================================================
+ [..] This subsection provides a set of functions allowing to manage the USART
+ multiprocessor communication.
+ [..] For instance one of the USARTs can be the master, its TX output is
+ connected to the RX input of the other USART. The others are slaves,
+ their respective TX outputs are logically ANDed together and connected
+ to the RX input of the master. USART multiprocessor communication is
+ possible through the following procedure:
+ (#) Program the Baud rate, Word length = 9 bits, Stop bits, Parity,
+ Mode transmitter or Mode receiver and hardware flow control values
+ using the USART_Init() function.
+ (#) Configures the USART address using the USART_SetAddress() function.
+ (#) Configures the wake up methode (USART_WakeUp_IdleLine or
+ USART_WakeUp_AddressMark) using USART_WakeUpConfig() function only
+ for the slaves.
+ (#) Enable the USART using the USART_Cmd() function.
+ (#) Enter the USART slaves in mute mode using USART_ReceiverWakeUpCmd()
+ function.
+ [..] The USART Slave exit from mute mode when receive the wake up condition.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Sets the address of the USART node.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param USART_Address: Indicates the address of the USART node.
+ * @retval None
+ */
+void USART_SetAddress(USART_TypeDef* USARTx, uint8_t USART_Address)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+
+ /* Clear the USART address */
+ USARTx->CR2 &= (uint32_t)~((uint32_t)USART_CR2_ADD);
+ /* Set the USART address node */
+ USARTx->CR2 |=((uint32_t)USART_Address << (uint32_t)0x18);
+}
+
+/**
+ * @brief Enables or disables the USART's mute mode.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param NewState: new state of the USART mute mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void USART_MuteModeCmd(USART_TypeDef* USARTx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the USART mute mode by setting the MME bit in the CR1 register */
+ USARTx->CR1 |= USART_CR1_MME;
+ }
+ else
+ {
+ /* Disable the USART mute mode by clearing the MME bit in the CR1 register */
+ USARTx->CR1 &= (uint32_t)~((uint32_t)USART_CR1_MME);
+ }
+}
+
+/**
+ * @brief Selects the USART WakeUp method from mute mode.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param USART_WakeUp: specifies the USART wakeup method.
+ * This parameter can be one of the following values:
+ * @arg USART_WakeUp_IdleLine: WakeUp by an idle line detection
+ * @arg USART_WakeUp_AddressMark: WakeUp by an address mark
+ * @retval None
+ */
+void USART_MuteModeWakeUpConfig(USART_TypeDef* USARTx, uint32_t USART_WakeUp)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_USART_MUTEMODE_WAKEUP(USART_WakeUp));
+
+ USARTx->CR1 &= (uint32_t)~((uint32_t)USART_CR1_WAKE);
+ USARTx->CR1 |= USART_WakeUp;
+}
+
+/**
+ * @brief Configure the the USART Address detection length.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param USART_AddressLength: specifies the USART address length detection.
+ * This parameter can be one of the following values:
+ * @arg USART_AddressLength_4b: 4-bit address length detection
+ * @arg USART_AddressLength_7b: 7-bit address length detection
+ * @retval None
+ */
+void USART_AddressDetectionConfig(USART_TypeDef* USARTx, uint32_t USART_AddressLength)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_USART_ADDRESS_DETECTION(USART_AddressLength));
+
+ USARTx->CR2 &= (uint32_t)~((uint32_t)USART_CR2_ADDM7);
+ USARTx->CR2 |= USART_AddressLength;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup USART_Group6 LIN mode functions
+ * @brief LIN mode functions
+ *
+@verbatim
+ ===============================================================================
+ ##### LIN mode functions #####
+ ===============================================================================
+ [..] This subsection provides a set of functions allowing to manage the USART
+ LIN Mode communication.
+ [..] In LIN mode, 8-bit data format with 1 stop bit is required in accordance
+ with the LIN standard.
+ [..] Only this LIN Feature is supported by the USART IP:
+ (+) LIN Master Synchronous Break send capability and LIN slave break
+ detection capability : 13-bit break generation and 10/11 bit break
+ detection.
+ [..] USART LIN Master transmitter communication is possible through the
+ following procedure:
+ (#) Program the Baud rate, Word length = 8bits, Stop bits = 1bit, Parity,
+ Mode transmitter or Mode receiver and hardware flow control values
+ using the USART_Init() function.
+ (#) Enable the LIN mode using the USART_LINCmd() function.
+ (#) Enable the USART using the USART_Cmd() function.
+ (#) Send the break character using USART_SendBreak() function.
+ [..] USART LIN Master receiver communication is possible through the
+ following procedure:
+ (#) Program the Baud rate, Word length = 8bits, Stop bits = 1bit, Parity,
+ Mode transmitter or Mode receiver and hardware flow control values
+ using the USART_Init() function.
+ (#) Configures the break detection length
+ using the USART_LINBreakDetectLengthConfig() function.
+ (#) Enable the LIN mode using the USART_LINCmd() function.
+ -@- In LIN mode, the following bits must be kept cleared:
+ (+@) CLKEN in the USART_CR2 register.
+ (+@) STOP[1:0], SCEN, HDSEL and IREN in the USART_CR3 register.
+ (#) Enable the USART using the USART_Cmd() function.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Sets the USART LIN Break detection length.
+ * @note This function is not available for STM32F030 devices.
+ * @param USARTx: where x can be 1or 2 to select the USART peripheral.
+ * @note USART2 is available only for STM32F072 and STM32F091 devices.
+ * @note USART3 is available only for STM32F091 devices.
+ * @param USART_LINBreakDetectLength: specifies the LIN break detection length.
+ * This parameter can be one of the following values:
+ * @arg USART_LINBreakDetectLength_10b: 10-bit break detection
+ * @arg USART_LINBreakDetectLength_11b: 11-bit break detection
+ * @retval None
+ */
+void USART_LINBreakDetectLengthConfig(USART_TypeDef* USARTx, uint32_t USART_LINBreakDetectLength)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_123_PERIPH(USARTx));
+ assert_param(IS_USART_LIN_BREAK_DETECT_LENGTH(USART_LINBreakDetectLength));
+
+ USARTx->CR2 &= (uint32_t)~((uint32_t)USART_CR2_LBDL);
+ USARTx->CR2 |= USART_LINBreakDetectLength;
+}
+
+/**
+ * @brief Enables or disables the USART's LIN mode.
+ * @note This function is not available for STM32F030 devices.
+ * @param USARTx: where x can be 1or 2 to select the USART peripheral.
+ * @note USART2 is available only for STM32F072 and STM32F091 devices.
+ * @note USART3 is available only for STM32F091 devices.
+ * @param NewState: new state of the USART LIN mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void USART_LINCmd(USART_TypeDef* USARTx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_123_PERIPH(USARTx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the LIN mode by setting the LINEN bit in the CR2 register */
+ USARTx->CR2 |= USART_CR2_LINEN;
+ }
+ else
+ {
+ /* Disable the LIN mode by clearing the LINEN bit in the CR2 register */
+ USARTx->CR2 &= (uint32_t)~((uint32_t)USART_CR2_LINEN);
+ }
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup USART_Group7 Halfduplex mode function
+ * @brief Half-duplex mode function
+ *
+@verbatim
+ ===============================================================================
+ ##### Half-duplex mode function #####
+ ===============================================================================
+ [..] This subsection provides a set of functions allowing to manage the USART
+ Half-duplex communication.
+ [..] The USART can be configured to follow a single-wire half-duplex protocol
+ where the TX and RX lines are internally connected.
+ [..] USART Half duplex communication is possible through the following procedure:
+ (#) Program the Baud rate, Word length, Stop bits, Parity, Mode transmitter
+ or Mode receiver and hardware flow control values using the USART_Init()
+ function.
+ (#) Configures the USART address using the USART_SetAddress() function.
+ (#) Enable the half duplex mode using USART_HalfDuplexCmd() function.
+ (#) Enable the USART using the USART_Cmd() function.
+ -@- The RX pin is no longer used.
+ -@- In Half-duplex mode the following bits must be kept cleared:
+ (+@) LINEN and CLKEN bits in the USART_CR2 register.
+ (+@) SCEN and IREN bits in the USART_CR3 register.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the USART's Half Duplex communication.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param NewState: new state of the USART Communication.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void USART_HalfDuplexCmd(USART_TypeDef* USARTx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the Half-Duplex mode by setting the HDSEL bit in the CR3 register */
+ USARTx->CR3 |= USART_CR3_HDSEL;
+ }
+ else
+ {
+ /* Disable the Half-Duplex mode by clearing the HDSEL bit in the CR3 register */
+ USARTx->CR3 &= (uint32_t)~((uint32_t)USART_CR3_HDSEL);
+ }
+}
+
+/**
+ * @}
+ */
+
+
+/** @defgroup USART_Group8 Smartcard mode functions
+ * @brief Smartcard mode functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Smartcard mode functions #####
+ ===============================================================================
+ [..] This subsection provides a set of functions allowing to manage the USART
+ Smartcard communication.
+ [..] The Smartcard interface is designed to support asynchronous protocol
+ Smartcards as defined in the ISO 7816-3 standard. The USART can provide
+ a clock to the smartcard through the SCLK output. In smartcard mode,
+ SCLK is not associated to the communication but is simply derived from
+ the internal peripheral input clock through a 5-bit prescaler.
+ [..] Smartcard communication is possible through the following procedure:
+ (#) Configures the Smartcard Prsecaler using the USART_SetPrescaler()
+ function.
+ (#) Configures the Smartcard Guard Time using the USART_SetGuardTime()
+ function.
+ (#) Program the USART clock using the USART_ClockInit() function as following:
+ (++) USART Clock enabled.
+ (++) USART CPOL Low.
+ (++) USART CPHA on first edge.
+ (++) USART Last Bit Clock Enabled.
+ (#) Program the Smartcard interface using the USART_Init() function as
+ following:
+ (++) Word Length = 9 Bits.
+ (++) 1.5 Stop Bit.
+ (++) Even parity.
+ (++) BaudRate = 12096 baud.
+ (++) Hardware flow control disabled (RTS and CTS signals).
+ (++) Tx and Rx enabled
+ (#) Optionally you can enable the parity error interrupt using
+ the USART_ITConfig() function.
+ (#) Enable the Smartcard NACK using the USART_SmartCardNACKCmd() function.
+ (#) Enable the Smartcard interface using the USART_SmartCardCmd() function.
+ (#) Enable the USART using the USART_Cmd() function.
+ [..]
+ Please refer to the ISO 7816-3 specification for more details.
+ [..]
+ (@) It is also possible to choose 0.5 stop bit for receiving but it is
+ recommended to use 1.5 stop bits for both transmitting and receiving
+ to avoid switching between the two configurations.
+ (@) In smartcard mode, the following bits must be kept cleared:
+ (+@) LINEN bit in the USART_CR2 register.
+ (+@) HDSEL and IREN bits in the USART_CR3 register.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Sets the specified USART guard time.
+ * @note This function is not available for STM32F030 devices.
+ * @param USARTx: where x can be 1or 2 to select the USART peripheral.
+ * @note USART2 is available only for STM32F072 and STM32F091 devices.
+ * @note USART3 is available only for STM32F091 devices.
+ * @param USART_GuardTime: specifies the guard time.
+ * @retval None
+ */
+void USART_SetGuardTime(USART_TypeDef* USARTx, uint8_t USART_GuardTime)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_123_PERIPH(USARTx));
+
+ /* Clear the USART Guard time */
+ USARTx->GTPR &= USART_GTPR_PSC;
+ /* Set the USART guard time */
+ USARTx->GTPR |= (uint16_t)((uint16_t)USART_GuardTime << 0x08);
+}
+
+/**
+ * @brief Enables or disables the USART's Smart Card mode.
+ * @note This function is not available for STM32F030 devices.
+ * @param USARTx: where x can be 1or 2 to select the USART peripheral.
+ * @note USART2 is available only for STM32F072 and STM32F091 devices.
+ * @note USART3 is available only for STM32F091 devices.
+ * @param NewState: new state of the Smart Card mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void USART_SmartCardCmd(USART_TypeDef* USARTx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_123_PERIPH(USARTx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+ if (NewState != DISABLE)
+ {
+ /* Enable the SC mode by setting the SCEN bit in the CR3 register */
+ USARTx->CR3 |= USART_CR3_SCEN;
+ }
+ else
+ {
+ /* Disable the SC mode by clearing the SCEN bit in the CR3 register */
+ USARTx->CR3 &= (uint32_t)~((uint32_t)USART_CR3_SCEN);
+ }
+}
+
+/**
+ * @brief Enables or disables NACK transmission.
+ * @note This function is not available for STM32F030 devices.
+ * @param USARTx: where x can be 1or 2 to select the USART peripheral.
+ * @note USART2 is available only for STM32F072 and STM32F091 devices.
+ * @note USART3 is available only for STM32F091 devices.
+ * @param NewState: new state of the NACK transmission.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void USART_SmartCardNACKCmd(USART_TypeDef* USARTx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_123_PERIPH(USARTx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+ if (NewState != DISABLE)
+ {
+ /* Enable the NACK transmission by setting the NACK bit in the CR3 register */
+ USARTx->CR3 |= USART_CR3_NACK;
+ }
+ else
+ {
+ /* Disable the NACK transmission by clearing the NACK bit in the CR3 register */
+ USARTx->CR3 &= (uint32_t)~((uint32_t)USART_CR3_NACK);
+ }
+}
+
+/**
+ * @brief Sets the Smart Card number of retries in transmit and receive.
+ * @note This function is not available for STM32F030 devices.
+ * @param USARTx: where x can be 1or 3 to select the USART peripheral.
+ * @note USART2 is available only for STM32F072 and STM32F091 devices.
+ * @note USART3 is available only for STM32F091 devices.
+ * @param USART_AutoCount: specifies the Smart Card auto retry count.
+ * @retval None
+ */
+void USART_SetAutoRetryCount(USART_TypeDef* USARTx, uint8_t USART_AutoCount)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_123_PERIPH(USARTx));
+ assert_param(IS_USART_AUTO_RETRY_COUNTER(USART_AutoCount));
+ /* Clear the USART auto retry count */
+ USARTx->CR3 &= (uint32_t)~((uint32_t)USART_CR3_SCARCNT);
+ /* Set the USART auto retry count*/
+ USARTx->CR3 |= (uint32_t)((uint32_t)USART_AutoCount << 0x11);
+}
+
+/**
+ * @brief Sets the Smart Card Block length.
+ * @note This function is not available for STM32F030 devices.
+ * @param USARTx: where x can be 1or 3 to select the USART peripheral.
+ * @note USART2 is available only for STM32F072 and STM32F091 devices.
+ * @note USART3 is available only for STM32F091 devices.
+ * @param USART_BlockLength: specifies the Smart Card block length.
+ * @retval None
+ */
+void USART_SetBlockLength(USART_TypeDef* USARTx, uint8_t USART_BlockLength)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_123_PERIPH(USARTx));
+
+ /* Clear the Smart card block length */
+ USARTx->RTOR &= (uint32_t)~((uint32_t)USART_RTOR_BLEN);
+ /* Set the Smart Card block length */
+ USARTx->RTOR |= (uint32_t)((uint32_t)USART_BlockLength << 0x18);
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup USART_Group9 IrDA mode functions
+ * @brief IrDA mode functions
+ *
+@verbatim
+ ===============================================================================
+ ##### IrDA mode functions #####
+ ===============================================================================
+ [..] This subsection provides a set of functions allowing to manage the USART
+ IrDA communication.
+ [..] IrDA is a half duplex communication protocol. If the Transmitter is busy,
+ any data on the IrDA receive line will be ignored by the IrDA decoder
+ and if the Receiver is busy, data on the TX from the USART to IrDA will
+ not be encoded by IrDA. While receiving data, transmission should be
+ avoided as the data to be transmitted could be corrupted.
+ [..] IrDA communication is possible through the following procedure:
+ (#) Program the Baud rate, Word length = 8 bits, Stop bits, Parity,
+ Transmitter/Receiver modes and hardware flow control values using
+ the USART_Init() function.
+ (#) Configures the IrDA pulse width by configuring the prescaler using
+ the USART_SetPrescaler() function.
+ (#) Configures the IrDA USART_IrDAMode_LowPower or USART_IrDAMode_Normal
+ mode using the USART_IrDAConfig() function.
+ (#) Enable the IrDA using the USART_IrDACmd() function.
+ (#) Enable the USART using the USART_Cmd() function.
+ [..]
+ (@) A pulse of width less than two and greater than one PSC period(s) may or
+ may not be rejected.
+ (@) The receiver set up time should be managed by software. The IrDA physical
+ layer specification specifies a minimum of 10 ms delay between
+ transmission and reception (IrDA is a half duplex protocol).
+ (@) In IrDA mode, the following bits must be kept cleared:
+ (+@) LINEN, STOP and CLKEN bits in the USART_CR2 register.
+ (+@) SCEN and HDSEL bits in the USART_CR3 register.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Configures the USART's IrDA interface.
+ * @note This function is not available for STM32F030 devices.
+ * @param USARTx: where x can be 1or 2 to select the USART peripheral.
+ * @note USART2 is available only for STM32F072 and STM32F091 devices.
+ * @note USART3 is available only for STM32F091 devices.
+ * @param USART_IrDAMode: specifies the IrDA mode.
+ * This parameter can be one of the following values:
+ * @arg USART_IrDAMode_LowPower
+ * @arg USART_IrDAMode_Normal
+ * @retval None
+ */
+void USART_IrDAConfig(USART_TypeDef* USARTx, uint32_t USART_IrDAMode)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_123_PERIPH(USARTx));
+ assert_param(IS_USART_IRDA_MODE(USART_IrDAMode));
+
+ USARTx->CR3 &= (uint32_t)~((uint32_t)USART_CR3_IRLP);
+ USARTx->CR3 |= USART_IrDAMode;
+}
+
+/**
+ * @brief Enables or disables the USART's IrDA interface.
+ * @note This function is not available for STM32F030 devices.
+ * @param USARTx: where x can be 1or 2 to select the USART peripheral.
+ * @note USART2 is available only for STM32F072 and STM32F091 devices.
+ * @note USART3 is available only for STM32F091 devices.
+ * @param NewState: new state of the IrDA mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void USART_IrDACmd(USART_TypeDef* USARTx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_123_PERIPH(USARTx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the IrDA mode by setting the IREN bit in the CR3 register */
+ USARTx->CR3 |= USART_CR3_IREN;
+ }
+ else
+ {
+ /* Disable the IrDA mode by clearing the IREN bit in the CR3 register */
+ USARTx->CR3 &= (uint32_t)~((uint32_t)USART_CR3_IREN);
+ }
+}
+/**
+ * @}
+ */
+
+/** @defgroup USART_Group10 RS485 mode function
+ * @brief RS485 mode function
+ *
+@verbatim
+ ===============================================================================
+ ##### RS485 mode functions #####
+ ===============================================================================
+ [..] This subsection provides a set of functions allowing to manage the USART
+ RS485 flow control.
+ [..] RS485 flow control (Driver enable feature) handling is possible through
+ the following procedure:
+ (#) Program the Baud rate, Word length = 8 bits, Stop bits, Parity,
+ Transmitter/Receiver modes and hardware flow control values using
+ the USART_Init() function.
+ (#) Enable the Driver Enable using the USART_DECmd() function.
+ (#) Configures the Driver Enable polarity using the USART_DEPolarityConfig()
+ function.
+ (#) Configures the Driver Enable assertion time using USART_SetDEAssertionTime()
+ function and deassertion time using the USART_SetDEDeassertionTime()
+ function.
+ (#) Enable the USART using the USART_Cmd() function.
+ -@-
+ (+@) The assertion and dessertion times are expressed in sample time units (1/8 or
+ 1/16 bit time, depending on the oversampling rate).
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the USART's DE functionality.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param NewState: new state of the driver enable mode.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void USART_DECmd(USART_TypeDef* USARTx, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+ if (NewState != DISABLE)
+ {
+ /* Enable the DE functionality by setting the DEM bit in the CR3 register */
+ USARTx->CR3 |= USART_CR3_DEM;
+ }
+ else
+ {
+ /* Disable the DE functionality by clearing the DEM bit in the CR3 register */
+ USARTx->CR3 &= (uint32_t)~((uint32_t)USART_CR3_DEM);
+ }
+}
+
+/**
+ * @brief Configures the USART's DE polarity
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param USART_DEPolarity: specifies the DE polarity.
+ * This parameter can be one of the following values:
+ * @arg USART_DEPolarity_Low
+ * @arg USART_DEPolarity_High
+ * @retval None
+ */
+void USART_DEPolarityConfig(USART_TypeDef* USARTx, uint32_t USART_DEPolarity)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_USART_DE_POLARITY(USART_DEPolarity));
+
+ USARTx->CR3 &= (uint32_t)~((uint32_t)USART_CR3_DEP);
+ USARTx->CR3 |= USART_DEPolarity;
+}
+
+/**
+ * @brief Sets the specified RS485 DE assertion time
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param USART_DEAssertionTime: specifies the time between the activation of
+ * the DE signal and the beginning of the start bit
+ * @retval None
+ */
+void USART_SetDEAssertionTime(USART_TypeDef* USARTx, uint32_t USART_DEAssertionTime)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_USART_DE_ASSERTION_DEASSERTION_TIME(USART_DEAssertionTime));
+
+ /* Clear the DE assertion time */
+ USARTx->CR1 &= (uint32_t)~((uint32_t)USART_CR1_DEAT);
+ /* Set the new value for the DE assertion time */
+ USARTx->CR1 |=((uint32_t)USART_DEAssertionTime << (uint32_t)0x15);
+}
+
+/**
+ * @brief Sets the specified RS485 DE deassertion time
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param USART_DeassertionTime: specifies the time between the middle of the last
+ * stop bit in a transmitted message and the de-activation of the DE signal
+ * @retval None
+ */
+void USART_SetDEDeassertionTime(USART_TypeDef* USARTx, uint32_t USART_DEDeassertionTime)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_USART_DE_ASSERTION_DEASSERTION_TIME(USART_DEDeassertionTime));
+
+ /* Clear the DE deassertion time */
+ USARTx->CR1 &= (uint32_t)~((uint32_t)USART_CR1_DEDT);
+ /* Set the new value for the DE deassertion time */
+ USARTx->CR1 |=((uint32_t)USART_DEDeassertionTime << (uint32_t)0x10);
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup USART_Group11 DMA transfers management functions
+ * @brief DMA transfers management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### DMA transfers management functions #####
+ ===============================================================================
+ [..] This section provides two functions that can be used only in DMA mode.
+ [..] In DMA Mode, the USART communication can be managed by 2 DMA Channel
+ requests:
+ (#) USART_DMAReq_Tx: specifies the Tx buffer DMA transfer request.
+ (#) USART_DMAReq_Rx: specifies the Rx buffer DMA transfer request.
+ [..] In this Mode it is advised to use the following function:
+ (+) void USART_DMACmd(USART_TypeDef* USARTx, uint16_t USART_DMAReq,
+ FunctionalState NewState).
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the USART's DMA interface.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param USART_DMAReq: specifies the DMA request.
+ * This parameter can be any combination of the following values:
+ * @arg USART_DMAReq_Tx: USART DMA transmit request
+ * @arg USART_DMAReq_Rx: USART DMA receive request
+ * @param NewState: new state of the DMA Request sources.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void USART_DMACmd(USART_TypeDef* USARTx, uint32_t USART_DMAReq, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_USART_DMAREQ(USART_DMAReq));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the DMA transfer for selected requests by setting the DMAT and/or
+ DMAR bits in the USART CR3 register */
+ USARTx->CR3 |= USART_DMAReq;
+ }
+ else
+ {
+ /* Disable the DMA transfer for selected requests by clearing the DMAT and/or
+ DMAR bits in the USART CR3 register */
+ USARTx->CR3 &= (uint32_t)~USART_DMAReq;
+ }
+}
+
+/**
+ * @brief Enables or disables the USART's DMA interface when reception error occurs.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param USART_DMAOnError: specifies the DMA status in case of reception error.
+ * This parameter can be any combination of the following values:
+ * @arg USART_DMAOnError_Enable: DMA receive request enabled when the USART DMA
+ * reception error is asserted.
+ * @arg USART_DMAOnError_Disable: DMA receive request disabled when the USART DMA
+ * reception error is asserted.
+ * @retval None
+ */
+void USART_DMAReceptionErrorConfig(USART_TypeDef* USARTx, uint32_t USART_DMAOnError)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_USART_DMAONERROR(USART_DMAOnError));
+
+ /* Clear the DMA Reception error detection bit */
+ USARTx->CR3 &= (uint32_t)~((uint32_t)USART_CR3_DDRE);
+ /* Set the new value for the DMA Reception error detection bit */
+ USARTx->CR3 |= USART_DMAOnError;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup USART_Group12 Interrupts and flags management functions
+ * @brief Interrupts and flags management functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Interrupts and flags management functions #####
+ ===============================================================================
+ [..] This subsection provides a set of functions allowing to configure the
+ USART Interrupts sources, Requests and check or clear the flags or pending bits status.
+ The user should identify which mode will be used in his application to
+ manage the communication: Polling mode, Interrupt mode.
+
+ *** Polling Mode ***
+ ====================
+ [..] In Polling Mode, the SPI communication can be managed by these flags:
+ (#) USART_FLAG_REACK: to indicate the status of the Receive Enable
+ acknowledge flag
+ (#) USART_FLAG_TEACK: to indicate the status of the Transmit Enable
+ acknowledge flag.
+ (#) USART_FLAG_WU: to indicate the status of the Wake up flag.
+ (#) USART_FLAG_RWU: to indicate the status of the Receive Wake up flag.
+ (#) USART_FLAG_SBK: to indicate the status of the Send Break flag.
+ (#) USART_FLAG_CM: to indicate the status of the Character match flag.
+ (#) USART_FLAG_BUSY: to indicate the status of the Busy flag.
+ (#) USART_FLAG_ABRF: to indicate the status of the Auto baud rate flag.
+ (#) USART_FLAG_ABRE: to indicate the status of the Auto baud rate error flag.
+ (#) USART_FLAG_EOB: to indicate the status of the End of block flag.
+ (#) USART_FLAG_RTO: to indicate the status of the Receive time out flag.
+ (#) USART_FLAG_nCTSS: to indicate the status of the Inverted nCTS input
+ bit status.
+ (#) USART_FLAG_TXE: to indicate the status of the transmit buffer register.
+ (#) USART_FLAG_RXNE: to indicate the status of the receive buffer register.
+ (#) USART_FLAG_TC: to indicate the status of the transmit operation.
+ (#) USART_FLAG_IDLE: to indicate the status of the Idle Line.
+ (#) USART_FLAG_CTS: to indicate the status of the nCTS input.
+ (#) USART_FLAG_LBD: to indicate the status of the LIN break detection.
+ (#) USART_FLAG_NE: to indicate if a noise error occur.
+ (#) USART_FLAG_FE: to indicate if a frame error occur.
+ (#) USART_FLAG_PE: to indicate if a parity error occur.
+ (#) USART_FLAG_ORE: to indicate if an Overrun error occur.
+ [..] In this Mode it is advised to use the following functions:
+ (+) FlagStatus USART_GetFlagStatus(USART_TypeDef* USARTx, uint16_t USART_FLAG).
+ (+) void USART_ClearFlag(USART_TypeDef* USARTx, uint16_t USART_FLAG).
+
+ *** Interrupt Mode ***
+ ======================
+ [..] In Interrupt Mode, the USART communication can be managed by 8 interrupt
+ sources and 10 pending bits:
+ (+) Pending Bits:
+ (##) USART_IT_WU: to indicate the status of the Wake up interrupt.
+ (##) USART_IT_CM: to indicate the status of Character match interrupt.
+ (##) USART_IT_EOB: to indicate the status of End of block interrupt.
+ (##) USART_IT_RTO: to indicate the status of Receive time out interrupt.
+ (##) USART_IT_CTS: to indicate the status of CTS change interrupt.
+ (##) USART_IT_LBD: to indicate the status of LIN Break detection interrupt.
+ (##) USART_IT_TC: to indicate the status of Transmission complete interrupt.
+ (##) USART_IT_IDLE: to indicate the status of IDLE line detected interrupt.
+ (##) USART_IT_ORE: to indicate the status of OverRun Error interrupt.
+ (##) USART_IT_NE: to indicate the status of Noise Error interrupt.
+ (##) USART_IT_FE: to indicate the status of Framing Error interrupt.
+ (##) USART_IT_PE: to indicate the status of Parity Error interrupt.
+
+ (+) Interrupt Source:
+ (##) USART_IT_WU: specifies the interrupt source for Wake up interrupt.
+ (##) USART_IT_CM: specifies the interrupt source for Character match
+ interrupt.
+ (##) USART_IT_EOB: specifies the interrupt source for End of block
+ interrupt.
+ (##) USART_IT_RTO: specifies the interrupt source for Receive time-out
+ interrupt.
+ (##) USART_IT_CTS: specifies the interrupt source for CTS change interrupt.
+ (##) USART_IT_LBD: specifies the interrupt source for LIN Break
+ detection interrupt.
+ (##) USART_IT_TXE: specifies the interrupt source for Tansmit Data
+ Register empty interrupt.
+ (##) USART_IT_TC: specifies the interrupt source for Transmission
+ complete interrupt.
+ (##) USART_IT_RXNE: specifies the interrupt source for Receive Data
+ register not empty interrupt.
+ (##) USART_IT_IDLE: specifies the interrupt source for Idle line
+ detection interrupt.
+ (##) USART_IT_PE: specifies the interrupt source for Parity Error interrupt.
+ (##) USART_IT_ERR: specifies the interrupt source for Error interrupt
+ (Frame error, noise error, overrun error)
+ -@@- Some parameters are coded in order to use them as interrupt
+ source or as pending bits.
+ [..] In this Mode it is advised to use the following functions:
+ (+) void USART_ITConfig(USART_TypeDef* USARTx, uint16_t USART_IT, FunctionalState NewState).
+ (+) ITStatus USART_GetITStatus(USART_TypeDef* USARTx, uint16_t USART_IT).
+ (+) void USART_ClearITPendingBit(USART_TypeDef* USARTx, uint16_t USART_IT).
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables or disables the specified USART interrupts.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param USART_IT: specifies the USART interrupt sources to be enabled or disabled.
+ * This parameter can be one of the following values:
+ * @arg USART_IT_WU: Wake up interrupt, not available for STM32F030 devices.
+ * @arg USART_IT_CM: Character match interrupt.
+ * @arg USART_IT_EOB: End of block interrupt, not available for STM32F030 devices.
+ * @arg USART_IT_RTO: Receive time out interrupt.
+ * @arg USART_IT_CTS: CTS change interrupt.
+ * @arg USART_IT_LBD: LIN Break detection interrupt, not available for STM32F030 devices.
+ * @arg USART_IT_TXE: Tansmit Data Register empty interrupt.
+ * @arg USART_IT_TC: Transmission complete interrupt.
+ * @arg USART_IT_RXNE: Receive Data register not empty interrupt.
+ * @arg USART_IT_IDLE: Idle line detection interrupt.
+ * @arg USART_IT_PE: Parity Error interrupt.
+ * @arg USART_IT_ERR: Error interrupt(Frame error, noise error, overrun error)
+ * @param NewState: new state of the specified USARTx interrupts.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void USART_ITConfig(USART_TypeDef* USARTx, uint32_t USART_IT, FunctionalState NewState)
+{
+ uint32_t usartreg = 0, itpos = 0, itmask = 0;
+ uint32_t usartxbase = 0;
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_USART_CONFIG_IT(USART_IT));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ usartxbase = (uint32_t)USARTx;
+
+ /* Get the USART register index */
+ usartreg = (((uint16_t)USART_IT) >> 0x08);
+
+ /* Get the interrupt position */
+ itpos = USART_IT & IT_MASK;
+ itmask = (((uint32_t)0x01) << itpos);
+
+ if (usartreg == 0x02) /* The IT is in CR2 register */
+ {
+ usartxbase += 0x04;
+ }
+ else if (usartreg == 0x03) /* The IT is in CR3 register */
+ {
+ usartxbase += 0x08;
+ }
+ else /* The IT is in CR1 register */
+ {
+ }
+ if (NewState != DISABLE)
+ {
+ *(__IO uint32_t*)usartxbase |= itmask;
+ }
+ else
+ {
+ *(__IO uint32_t*)usartxbase &= ~itmask;
+ }
+}
+
+/**
+ * @brief Enables the specified USART's Request.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param USART_Request: specifies the USART request.
+ * This parameter can be any combination of the following values:
+ * @arg USART_Request_TXFRQ: Transmit data flush ReQuest
+ * @arg USART_Request_RXFRQ: Receive data flush ReQuest
+ * @arg USART_Request_MMRQ: Mute Mode ReQuest
+ * @arg USART_Request_SBKRQ: Send Break ReQuest
+ * @arg USART_Request_ABRRQ: Auto Baud Rate ReQuest
+ * @param NewState: new state of the DMA interface when reception error occurs.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval None
+ */
+void USART_RequestCmd(USART_TypeDef* USARTx, uint32_t USART_Request, FunctionalState NewState)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_USART_REQUEST(USART_Request));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+ if (NewState != DISABLE)
+ {
+ /* Enable the USART ReQuest by setting the dedicated request bit in the RQR
+ register.*/
+ USARTx->RQR |= USART_Request;
+ }
+ else
+ {
+ /* Disable the USART ReQuest by clearing the dedicated request bit in the RQR
+ register.*/
+ USARTx->RQR &= (uint32_t)~USART_Request;
+ }
+}
+
+/**
+ * @brief Enables or disables the USART's Overrun detection.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param USART_OVRDetection: specifies the OVR detection status in case of OVR error.
+ * This parameter can be any combination of the following values:
+ * @arg USART_OVRDetection_Enable: OVR error detection enabled when
+ * the USART OVR error is asserted.
+ * @arg USART_OVRDetection_Disable: OVR error detection disabled when
+ * the USART OVR error is asserted.
+ * @retval None
+ */
+void USART_OverrunDetectionConfig(USART_TypeDef* USARTx, uint32_t USART_OVRDetection)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_USART_OVRDETECTION(USART_OVRDetection));
+
+ /* Clear the OVR detection bit */
+ USARTx->CR3 &= (uint32_t)~((uint32_t)USART_CR3_OVRDIS);
+ /* Set the new value for the OVR detection bit */
+ USARTx->CR3 |= USART_OVRDetection;
+}
+
+/**
+ * @brief Checks whether the specified USART flag is set or not.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param USART_FLAG: specifies the flag to check.
+ * This parameter can be one of the following values:
+ * @arg USART_FLAG_REACK: Receive Enable acknowledge flag.
+ * @arg USART_FLAG_TEACK: Transmit Enable acknowledge flag.
+ * @arg USART_FLAG_WU: Wake up flag, not available for STM32F030 devices.
+ * @arg USART_FLAG_RWU: Receive Wake up flag, not available for STM32F030 devices.
+ * @arg USART_FLAG_SBK: Send Break flag.
+ * @arg USART_FLAG_CM: Character match flag.
+ * @arg USART_FLAG_BUSY: Busy flag.
+ * @arg USART_FLAG_ABRF: Auto baud rate flag.
+ * @arg USART_FLAG_ABRE: Auto baud rate error flag.
+ * @arg USART_FLAG_EOB: End of block flag, not available for STM32F030 devices.
+ * @arg USART_FLAG_RTO: Receive time out flag.
+ * @arg USART_FLAG_nCTSS: Inverted nCTS input bit status.
+ * @arg USART_FLAG_CTS: CTS Change flag.
+ * @arg USART_FLAG_LBD: LIN Break detection flag, not available for STM32F030 devices.
+ * @arg USART_FLAG_TXE: Transmit data register empty flag.
+ * @arg USART_FLAG_TC: Transmission Complete flag.
+ * @arg USART_FLAG_RXNE: Receive data register not empty flag.
+ * @arg USART_FLAG_IDLE: Idle Line detection flag.
+ * @arg USART_FLAG_ORE: OverRun Error flag.
+ * @arg USART_FLAG_NE: Noise Error flag.
+ * @arg USART_FLAG_FE: Framing Error flag.
+ * @arg USART_FLAG_PE: Parity Error flag.
+ * @retval The new state of USART_FLAG (SET or RESET).
+ */
+FlagStatus USART_GetFlagStatus(USART_TypeDef* USARTx, uint32_t USART_FLAG)
+{
+ FlagStatus bitstatus = RESET;
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_USART_FLAG(USART_FLAG));
+
+ if ((USARTx->ISR & USART_FLAG) != (uint16_t)RESET)
+ {
+ bitstatus = SET;
+ }
+ else
+ {
+ bitstatus = RESET;
+ }
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the USARTx's pending flags.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param USART_FLAG: specifies the flag to clear.
+ * This parameter can be any combination of the following values:
+ * @arg USART_FLAG_WU: Wake up flag, not available for STM32F030 devices.
+ * @arg USART_FLAG_CM: Character match flag.
+ * @arg USART_FLAG_EOB: End of block flag, not available for STM32F030 devices.
+ * @arg USART_FLAG_RTO: Receive time out flag.
+ * @arg USART_FLAG_CTS: CTS Change flag.
+ * @arg USART_FLAG_LBD: LIN Break detection flag, not available for STM32F030 devices.
+ * @arg USART_FLAG_TC: Transmission Complete flag.
+ * @arg USART_FLAG_IDLE: IDLE line detected flag.
+ * @arg USART_FLAG_ORE: OverRun Error flag.
+ * @arg USART_FLAG_NE: Noise Error flag.
+ * @arg USART_FLAG_FE: Framing Error flag.
+ * @arg USART_FLAG_PE: Parity Errorflag.
+ *
+ * @note RXNE pending bit is cleared by a read to the USART_RDR register
+ * (USART_ReceiveData()) or by writing 1 to the RXFRQ in the register
+ * USART_RQR (USART_RequestCmd()).
+ * @note TC flag can be also cleared by software sequence: a read operation
+ * to USART_SR register (USART_GetFlagStatus()) followed by a write
+ * operation to USART_TDR register (USART_SendData()).
+ * @note TXE flag is cleared by a write to the USART_TDR register (USART_SendData())
+ * or by writing 1 to the TXFRQ in the register USART_RQR (USART_RequestCmd()).
+ * @note SBKF flag is cleared by 1 to the SBKRQ in the register USART_RQR
+ * (USART_RequestCmd()).
+ * @retval None
+ */
+void USART_ClearFlag(USART_TypeDef* USARTx, uint32_t USART_FLAG)
+{
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_USART_CLEAR_FLAG(USART_FLAG));
+
+ USARTx->ICR = USART_FLAG;
+}
+
+/**
+ * @brief Checks whether the specified USART interrupt has occurred or not.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param USART_IT: specifies the USART interrupt source to check.
+ * This parameter can be one of the following values:
+ * @arg USART_IT_WU: Wake up interrupt, not available for STM32F030 devices.
+ * @arg USART_IT_CM: Character match interrupt.
+ * @arg USART_IT_EOB: End of block interrupt, not available for STM32F030 devices.
+ * @arg USART_IT_RTO: Receive time out interrupt.
+ * @arg USART_IT_CTS: CTS change interrupt.
+ * @arg USART_IT_LBD: LIN Break detection interrupt, not available for STM32F030 devices.
+ * @arg USART_IT_TXE: Tansmit Data Register empty interrupt.
+ * @arg USART_IT_TC: Transmission complete interrupt.
+ * @arg USART_IT_RXNE: Receive Data register not empty interrupt.
+ * @arg USART_IT_IDLE: Idle line detection interrupt.
+ * @arg USART_IT_ORE: OverRun Error interrupt.
+ * @arg USART_IT_NE: Noise Error interrupt.
+ * @arg USART_IT_FE: Framing Error interrupt.
+ * @arg USART_IT_PE: Parity Error interrupt.
+ * @retval The new state of USART_IT (SET or RESET).
+ */
+ITStatus USART_GetITStatus(USART_TypeDef* USARTx, uint32_t USART_IT)
+{
+ uint32_t bitpos = 0, itmask = 0, usartreg = 0;
+ ITStatus bitstatus = RESET;
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_USART_GET_IT(USART_IT));
+
+ /* Get the USART register index */
+ usartreg = (((uint16_t)USART_IT) >> 0x08);
+ /* Get the interrupt position */
+ itmask = USART_IT & IT_MASK;
+ itmask = (uint32_t)0x01 << itmask;
+
+ if (usartreg == 0x01) /* The IT is in CR1 register */
+ {
+ itmask &= USARTx->CR1;
+ }
+ else if (usartreg == 0x02) /* The IT is in CR2 register */
+ {
+ itmask &= USARTx->CR2;
+ }
+ else /* The IT is in CR3 register */
+ {
+ itmask &= USARTx->CR3;
+ }
+
+ bitpos = USART_IT >> 0x10;
+ bitpos = (uint32_t)0x01 << bitpos;
+ bitpos &= USARTx->ISR;
+ if ((itmask != (uint16_t)RESET)&&(bitpos != (uint16_t)RESET))
+ {
+ bitstatus = SET;
+ }
+ else
+ {
+ bitstatus = RESET;
+ }
+
+ return bitstatus;
+}
+
+/**
+ * @brief Clears the USARTx's interrupt pending bits.
+ * @param USARTx: where x can be from 1 to 8 to select the USART peripheral.
+ * @note USART3 and USART4 are available only for STM32F072 and STM32F091 devices.
+ * @note USART5, USART6, USART7 and USART8 are available only for STM32F091 devices.
+ * @note USART2 is not available for STM32F031 devices.
+ * @param USART_IT: specifies the interrupt pending bit to clear.
+ * This parameter can be one of the following values:
+ * @arg USART_IT_WU: Wake up interrupt, not available for STM32F030 devices.
+ * @arg USART_IT_CM: Character match interrupt.
+ * @arg USART_IT_EOB: End of block interrupt, not available for STM32F030 devices.
+ * @arg USART_IT_RTO: Receive time out interrupt.
+ * @arg USART_IT_CTS: CTS change interrupt.
+ * @arg USART_IT_LBD: LIN Break detection interrupt, not available for STM32F030 devices.
+ * @arg USART_IT_TC: Transmission complete interrupt.
+ * @arg USART_IT_IDLE: IDLE line detected interrupt.
+ * @arg USART_IT_ORE: OverRun Error interrupt.
+ * @arg USART_IT_NE: Noise Error interrupt.
+ * @arg USART_IT_FE: Framing Error interrupt.
+ * @arg USART_IT_PE: Parity Error interrupt.
+ *
+ * @note RXNE pending bit is cleared by a read to the USART_RDR register
+ * (USART_ReceiveData()) or by writing 1 to the RXFRQ in the register
+ * USART_RQR (USART_RequestCmd()).
+ * @note TC pending bit can be also cleared by software sequence: a read
+ * operation to USART_SR register (USART_GetITStatus()) followed by
+ * a write operation to USART_TDR register (USART_SendData()).
+ * @note TXE pending bit is cleared by a write to the USART_TDR register
+ * (USART_SendData()) or by writing 1 to the TXFRQ in the register
+ * USART_RQR (USART_RequestCmd()).
+ * @retval None
+ */
+void USART_ClearITPendingBit(USART_TypeDef* USARTx, uint32_t USART_IT)
+{
+ uint32_t bitpos = 0, itmask = 0;
+ /* Check the parameters */
+ assert_param(IS_USART_ALL_PERIPH(USARTx));
+ assert_param(IS_USART_CLEAR_IT(USART_IT));
+
+ bitpos = USART_IT >> 0x10;
+ itmask = ((uint32_t)0x01 << (uint32_t)bitpos);
+ USARTx->ICR = (uint32_t)itmask;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_wwdg.c b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_wwdg.c
new file mode 100644
index 00000000..da69ed3e
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/SPL/src/stm32f0xx_wwdg.c
@@ -0,0 +1,303 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_wwdg.c
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 05-December-2014
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the Window watchdog (WWDG) peripheral:
+ * + Prescaler, Refresh window and Counter configuration
+ * + WWDG activation
+ * + Interrupts and flags management
+ *
+ * @verbatim
+ *
+ ==============================================================================
+ ##### WWDG features #####
+ ==============================================================================
+ [..] Once enabled the WWDG generates a system reset on expiry of a programmed
+ time period, unless the program refreshes the counter (downcounter)
+ before to reach 0x3F value (i.e. a reset is generated when the counter
+ value rolls over from 0x40 to 0x3F).
+ [..] An MCU reset is also generated if the counter value is refreshed
+ before the counter has reached the refresh window value. This
+ implies that the counter must be refreshed in a limited window.
+
+ [..] Once enabled the WWDG cannot be disabled except by a system reset.
+
+ [..] WWDGRST flag in RCC_CSR register can be used to inform when a WWDG
+ reset occurs.
+
+ [..] The WWDG counter input clock is derived from the APB clock divided
+ by a programmable prescaler.
+
+ [..] WWDG counter clock = PCLK1 / Prescaler.
+ [..] WWDG timeout = (WWDG counter clock) * (counter value).
+
+ [..] Min-max timeout value @32MHz (PCLK1): ~85us / ~43ms.
+
+ ##### How to use this driver #####
+ ==============================================================================
+ [..]
+ (#) Enable WWDG clock using RCC_APB1PeriphClockCmd(RCC_APB1Periph_WWDG, ENABLE)
+ function.
+
+ (#) Configure the WWDG prescaler using WWDG_SetPrescaler() function.
+
+ (#) Configure the WWDG refresh window using WWDG_SetWindowValue() function.
+
+ (#) Set the WWDG counter value and start it using WWDG_Enable() function.
+ When the WWDG is enabled the counter value should be configured to
+ a value greater than 0x40 to prevent generating an immediate reset.
+
+ (#) Optionally you can enable the Early wakeup interrupt which is
+ generated when the counter reach 0x40.
+ Once enabled this interrupt cannot be disabled except by a system reset.
+
+ (#) Then the application program must refresh the WWDG counter at regular
+ intervals during normal operation to prevent an MCU reset, using
+ WWDG_SetCounter() function. This operation must occur only when
+ the counter value is lower than the refresh window value,
+ programmed using WWDG_SetWindowValue().
+
+ * @endverbatim
+ *
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT 2014 STMicroelectronics
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_wwdg.h"
+#include "stm32f0xx_rcc.h"
+
+/** @addtogroup STM32F0xx_StdPeriph_Driver
+ * @{
+ */
+
+/** @defgroup WWDG
+ * @brief WWDG driver modules
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* --------------------- WWDG registers bit mask ---------------------------- */
+/* CFR register bit mask */
+#define CFR_WDGTB_MASK ((uint32_t)0xFFFFFE7F)
+#define CFR_W_MASK ((uint32_t)0xFFFFFF80)
+#define BIT_MASK ((uint8_t)0x7F)
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup WWDG_Private_Functions
+ * @{
+ */
+
+/** @defgroup WWDG_Group1 Prescaler, Refresh window and Counter configuration functions
+ * @brief Prescaler, Refresh window and Counter configuration functions
+ *
+@verbatim
+ ==============================================================================
+ ##### Prescaler, Refresh window and Counter configuration functions #####
+ ==============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Deinitializes the WWDG peripheral registers to their default reset values.
+ * @param None
+ * @retval None
+ */
+void WWDG_DeInit(void)
+{
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_WWDG, ENABLE);
+ RCC_APB1PeriphResetCmd(RCC_APB1Periph_WWDG, DISABLE);
+}
+
+/**
+ * @brief Sets the WWDG Prescaler.
+ * @param WWDG_Prescaler: specifies the WWDG Prescaler.
+ * This parameter can be one of the following values:
+ * @arg WWDG_Prescaler_1: WWDG counter clock = (PCLK1/4096)/1
+ * @arg WWDG_Prescaler_2: WWDG counter clock = (PCLK1/4096)/2
+ * @arg WWDG_Prescaler_4: WWDG counter clock = (PCLK1/4096)/4
+ * @arg WWDG_Prescaler_8: WWDG counter clock = (PCLK1/4096)/8
+ * @retval None
+ */
+void WWDG_SetPrescaler(uint32_t WWDG_Prescaler)
+{
+ uint32_t tmpreg = 0;
+ /* Check the parameters */
+ assert_param(IS_WWDG_PRESCALER(WWDG_Prescaler));
+ /* Clear WDGTB[1:0] bits */
+ tmpreg = WWDG->CFR & CFR_WDGTB_MASK;
+ /* Set WDGTB[1:0] bits according to WWDG_Prescaler value */
+ tmpreg |= WWDG_Prescaler;
+ /* Store the new value */
+ WWDG->CFR = tmpreg;
+}
+
+/**
+ * @brief Sets the WWDG window value.
+ * @param WindowValue: specifies the window value to be compared to the downcounter.
+ * This parameter value must be lower than 0x80.
+ * @retval None
+ */
+void WWDG_SetWindowValue(uint8_t WindowValue)
+{
+ __IO uint32_t tmpreg = 0;
+
+ /* Check the parameters */
+ assert_param(IS_WWDG_WINDOW_VALUE(WindowValue));
+ /* Clear W[6:0] bits */
+
+ tmpreg = WWDG->CFR & CFR_W_MASK;
+
+ /* Set W[6:0] bits according to WindowValue value */
+ tmpreg |= WindowValue & (uint32_t) BIT_MASK;
+
+ /* Store the new value */
+ WWDG->CFR = tmpreg;
+}
+
+/**
+ * @brief Enables the WWDG Early Wakeup interrupt(EWI).
+ * @note Once enabled this interrupt cannot be disabled except by a system reset.
+ * @param None
+ * @retval None
+ */
+void WWDG_EnableIT(void)
+{
+ WWDG->CFR |= WWDG_CFR_EWI;
+}
+
+/**
+ * @brief Sets the WWDG counter value.
+ * @param Counter: specifies the watchdog counter value.
+ * This parameter must be a number between 0x40 and 0x7F (to prevent
+ * generating an immediate reset).
+ * @retval None
+ */
+void WWDG_SetCounter(uint8_t Counter)
+{
+ /* Check the parameters */
+ assert_param(IS_WWDG_COUNTER(Counter));
+ /* Write to T[6:0] bits to configure the counter value, no need to do
+ a read-modify-write; writing a 0 to WDGA bit does nothing */
+ WWDG->CR = Counter & BIT_MASK;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup WWDG_Group2 WWDG activation functions
+ * @brief WWDG activation functions
+ *
+@verbatim
+ ==============================================================================
+ ##### WWDG activation function #####
+ ==============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables WWDG and load the counter value.
+ * @param Counter: specifies the watchdog counter value.
+ * This parameter must be a number between 0x40 and 0x7F (to prevent
+ * generating an immediate reset).
+ * @retval None
+ */
+void WWDG_Enable(uint8_t Counter)
+{
+ /* Check the parameters */
+ assert_param(IS_WWDG_COUNTER(Counter));
+ WWDG->CR = WWDG_CR_WDGA | Counter;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup WWDG_Group3 Interrupts and flags management functions
+ * @brief Interrupts and flags management functions
+ *
+@verbatim
+ ==============================================================================
+ ##### Interrupts and flags management functions #####
+ ==============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Checks whether the Early Wakeup interrupt flag is set or not.
+ * @param None
+ * @retval The new state of the Early Wakeup interrupt flag (SET or RESET).
+ */
+FlagStatus WWDG_GetFlagStatus(void)
+{
+ FlagStatus bitstatus = RESET;
+
+ if ((WWDG->SR) != (uint32_t)RESET)
+ {
+ bitstatus = SET;
+ }
+ else
+ {
+ bitstatus = RESET;
+ }
+ return bitstatus;
+}
+
+/**
+ * @brief Clears Early Wakeup interrupt flag.
+ * @param None
+ * @retval None
+ */
+void WWDG_ClearFlag(void)
+{
+ WWDG->SR = (uint32_t)RESET;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/cmsis/arm_common_tables.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/cmsis/arm_common_tables.h
new file mode 100644
index 00000000..9c37ab4e
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/cmsis/arm_common_tables.h
@@ -0,0 +1,93 @@
+/* ----------------------------------------------------------------------
+* Copyright (C) 2010-2013 ARM Limited. All rights reserved.
+*
+* $Date: 17. January 2013
+* $Revision: V1.4.1
+*
+* Project: CMSIS DSP Library
+* Title: arm_common_tables.h
+*
+* Description: This file has extern declaration for common tables like Bitreverse, reciprocal etc which are used across different functions
+*
+* Target Processor: Cortex-M4/Cortex-M3
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions
+* are met:
+* - Redistributions of source code must retain the above copyright
+* notice, this list of conditions and the following disclaimer.
+* - Redistributions in binary form must reproduce the above copyright
+* notice, this list of conditions and the following disclaimer in
+* the documentation and/or other materials provided with the
+* distribution.
+* - Neither the name of ARM LIMITED nor the names of its contributors
+* may be used to endorse or promote products derived from this
+* software without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+* POSSIBILITY OF SUCH DAMAGE.
+* -------------------------------------------------------------------- */
+
+#ifndef _ARM_COMMON_TABLES_H
+#define _ARM_COMMON_TABLES_H
+
+#include "arm_math.h"
+
+extern const uint16_t armBitRevTable[1024];
+extern const q15_t armRecipTableQ15[64];
+extern const q31_t armRecipTableQ31[64];
+extern const q31_t realCoefAQ31[1024];
+extern const q31_t realCoefBQ31[1024];
+extern const float32_t twiddleCoef_16[32];
+extern const float32_t twiddleCoef_32[64];
+extern const float32_t twiddleCoef_64[128];
+extern const float32_t twiddleCoef_128[256];
+extern const float32_t twiddleCoef_256[512];
+extern const float32_t twiddleCoef_512[1024];
+extern const float32_t twiddleCoef_1024[2048];
+extern const float32_t twiddleCoef_2048[4096];
+extern const float32_t twiddleCoef_4096[8192];
+#define twiddleCoef twiddleCoef_4096
+extern const q31_t twiddleCoefQ31[6144];
+extern const q15_t twiddleCoefQ15[6144];
+extern const float32_t twiddleCoef_rfft_32[32];
+extern const float32_t twiddleCoef_rfft_64[64];
+extern const float32_t twiddleCoef_rfft_128[128];
+extern const float32_t twiddleCoef_rfft_256[256];
+extern const float32_t twiddleCoef_rfft_512[512];
+extern const float32_t twiddleCoef_rfft_1024[1024];
+extern const float32_t twiddleCoef_rfft_2048[2048];
+extern const float32_t twiddleCoef_rfft_4096[4096];
+
+
+#define ARMBITREVINDEXTABLE__16_TABLE_LENGTH ((uint16_t)20 )
+#define ARMBITREVINDEXTABLE__32_TABLE_LENGTH ((uint16_t)48 )
+#define ARMBITREVINDEXTABLE__64_TABLE_LENGTH ((uint16_t)56 )
+#define ARMBITREVINDEXTABLE_128_TABLE_LENGTH ((uint16_t)208 )
+#define ARMBITREVINDEXTABLE_256_TABLE_LENGTH ((uint16_t)440 )
+#define ARMBITREVINDEXTABLE_512_TABLE_LENGTH ((uint16_t)448 )
+#define ARMBITREVINDEXTABLE1024_TABLE_LENGTH ((uint16_t)1800)
+#define ARMBITREVINDEXTABLE2048_TABLE_LENGTH ((uint16_t)3808)
+#define ARMBITREVINDEXTABLE4096_TABLE_LENGTH ((uint16_t)4032)
+
+extern const uint16_t armBitRevIndexTable16[ARMBITREVINDEXTABLE__16_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable32[ARMBITREVINDEXTABLE__32_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable64[ARMBITREVINDEXTABLE__64_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable128[ARMBITREVINDEXTABLE_128_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable256[ARMBITREVINDEXTABLE_256_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable512[ARMBITREVINDEXTABLE_512_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable1024[ARMBITREVINDEXTABLE1024_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable2048[ARMBITREVINDEXTABLE2048_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable4096[ARMBITREVINDEXTABLE4096_TABLE_LENGTH];
+
+#endif /* ARM_COMMON_TABLES_H */
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/cmsis/arm_const_structs.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/cmsis/arm_const_structs.h
new file mode 100644
index 00000000..406f737d
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/cmsis/arm_const_structs.h
@@ -0,0 +1,85 @@
+/* ----------------------------------------------------------------------
+* Copyright (C) 2010-2013 ARM Limited. All rights reserved.
+*
+* $Date: 17. January 2013
+* $Revision: V1.4.1
+*
+* Project: CMSIS DSP Library
+* Title: arm_const_structs.h
+*
+* Description: This file has constant structs that are initialized for
+* user convenience. For example, some can be given as
+* arguments to the arm_cfft_f32() function.
+*
+* Target Processor: Cortex-M4/Cortex-M3
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions
+* are met:
+* - Redistributions of source code must retain the above copyright
+* notice, this list of conditions and the following disclaimer.
+* - Redistributions in binary form must reproduce the above copyright
+* notice, this list of conditions and the following disclaimer in
+* the documentation and/or other materials provided with the
+* distribution.
+* - Neither the name of ARM LIMITED nor the names of its contributors
+* may be used to endorse or promote products derived from this
+* software without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+* POSSIBILITY OF SUCH DAMAGE.
+* -------------------------------------------------------------------- */
+
+#ifndef _ARM_CONST_STRUCTS_H
+#define _ARM_CONST_STRUCTS_H
+
+#include "arm_math.h"
+#include "arm_common_tables.h"
+
+ const arm_cfft_instance_f32 arm_cfft_sR_f32_len16 = {
+ 16, twiddleCoef_16, armBitRevIndexTable16, ARMBITREVINDEXTABLE__16_TABLE_LENGTH
+ };
+
+ const arm_cfft_instance_f32 arm_cfft_sR_f32_len32 = {
+ 32, twiddleCoef_32, armBitRevIndexTable32, ARMBITREVINDEXTABLE__32_TABLE_LENGTH
+ };
+
+ const arm_cfft_instance_f32 arm_cfft_sR_f32_len64 = {
+ 64, twiddleCoef_64, armBitRevIndexTable64, ARMBITREVINDEXTABLE__64_TABLE_LENGTH
+ };
+
+ const arm_cfft_instance_f32 arm_cfft_sR_f32_len128 = {
+ 128, twiddleCoef_128, armBitRevIndexTable128, ARMBITREVINDEXTABLE_128_TABLE_LENGTH
+ };
+
+ const arm_cfft_instance_f32 arm_cfft_sR_f32_len256 = {
+ 256, twiddleCoef_256, armBitRevIndexTable256, ARMBITREVINDEXTABLE_256_TABLE_LENGTH
+ };
+
+ const arm_cfft_instance_f32 arm_cfft_sR_f32_len512 = {
+ 512, twiddleCoef_512, armBitRevIndexTable512, ARMBITREVINDEXTABLE_512_TABLE_LENGTH
+ };
+
+ const arm_cfft_instance_f32 arm_cfft_sR_f32_len1024 = {
+ 1024, twiddleCoef_1024, armBitRevIndexTable1024, ARMBITREVINDEXTABLE1024_TABLE_LENGTH
+ };
+
+ const arm_cfft_instance_f32 arm_cfft_sR_f32_len2048 = {
+ 2048, twiddleCoef_2048, armBitRevIndexTable2048, ARMBITREVINDEXTABLE2048_TABLE_LENGTH
+ };
+
+ const arm_cfft_instance_f32 arm_cfft_sR_f32_len4096 = {
+ 4096, twiddleCoef_4096, armBitRevIndexTable4096, ARMBITREVINDEXTABLE4096_TABLE_LENGTH
+ };
+
+#endif
diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/cmsis/arm_math.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/cmsis/arm_math.h
new file mode 100644
index 00000000..59662ae1
--- /dev/null
+++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/cmsis/arm_math.h
@@ -0,0 +1,7306 @@
+/* ----------------------------------------------------------------------
+* Copyright (C) 2010-2013 ARM Limited. All rights reserved.
+*
+* $Date: 17. January 2013
+* $Revision: V1.4.1
+*
+* Project: CMSIS DSP Library
+* Title: arm_math.h
+*
+* Description: Public header file for CMSIS DSP Library
+*
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions
+* are met:
+* - Redistributions of source code must retain the above copyright
+* notice, this list of conditions and the following disclaimer.
+* - Redistributions in binary form must reproduce the above copyright
+* notice, this list of conditions and the following disclaimer in
+* the documentation and/or other materials provided with the
+* distribution.
+* - Neither the name of ARM LIMITED nor the names of its contributors
+* may be used to endorse or promote products derived from this
+* software without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+* POSSIBILITY OF SUCH DAMAGE.
+ * -------------------------------------------------------------------- */
+
+/**
+ \mainpage CMSIS DSP Software Library
+ *
+ * Introduction
+ *
+ * This user manual describes the CMSIS DSP software library,
+ * a suite of common signal processing functions for use on Cortex-M processor based devices.
+ *
+ * The library is divided into a number of functions each covering a specific category:
+ * - Basic math functions
+ * - Fast math functions
+ * - Complex math functions
+ * - Filters
+ * - Matrix functions
+ * - Transforms
+ * - Motor control functions
+ * - Statistical functions
+ * - Support functions
+ * - Interpolation functions
+ *
+ * The library has separate functions for operating on 8-bit integers, 16-bit integers,
+ * 32-bit integer and 32-bit floating-point values.
+ *
+ * Using the Library
+ *
+ * The library installer contains prebuilt versions of the libraries in the Lib folder.
+ * - arm_cortexM4lf_math.lib (Little endian and Floating Point Unit on Cortex-M4)
+ * - arm_cortexM4bf_math.lib (Big endian and Floating Point Unit on Cortex-M4)
+ * - arm_cortexM4l_math.lib (Little endian on Cortex-M4)
+ * - arm_cortexM4b_math.lib (Big endian on Cortex-M4)
+ * - arm_cortexM3l_math.lib (Little endian on Cortex-M3)
+ * - arm_cortexM3b_math.lib (Big endian on Cortex-M3)
+ * - arm_cortexM0l_math.lib (Little endian on Cortex-M0)
+ * - arm_cortexM0b_math.lib (Big endian on Cortex-M3)
+ *
+ * The library functions are declared in the public file arm_math.h which is placed in the Include folder.
+ * Simply include this file and link the appropriate library in the application and begin calling the library functions. The Library supports single
+ * public header file arm_math.h for Cortex-M4/M3/M0 with little endian and big endian. Same header file will be used for floating point unit(FPU) variants.
+ * Define the appropriate pre processor MACRO ARM_MATH_CM4 or ARM_MATH_CM3 or
+ * ARM_MATH_CM0 or ARM_MATH_CM0PLUS depending on the target processor in the application.
+ *
+ * Examples
+ *
+ * The library ships with a number of examples which demonstrate how to use the library functions.
+ *
+ * Toolchain Support
+ *
+ * The library has been developed and tested with MDK-ARM version 4.60.
+ * The library is being tested in GCC and IAR toolchains and updates on this activity will be made available shortly.
+ *
+ * Building the Library
+ *
+ * The library installer contains project files to re build libraries on MDK Tool chain in the CMSIS\\DSP_Lib\\Source\\ARM folder.
+ * - arm_cortexM0b_math.uvproj
+ * - arm_cortexM0l_math.uvproj
+ * - arm_cortexM3b_math.uvproj
+ * - arm_cortexM3l_math.uvproj
+ * - arm_cortexM4b_math.uvproj
+ * - arm_cortexM4l_math.uvproj
+ * - arm_cortexM4bf_math.uvproj
+ * - arm_cortexM4lf_math.uvproj
+ *
+ *
+ * The project can be built by opening the appropriate project in MDK-ARM 4.60 chain and defining the optional pre processor MACROs detailed above.
+ *
+ * Pre-processor Macros
+ *
+ * Each library project have differant pre-processor macros.
+ *
+ * - UNALIGNED_SUPPORT_DISABLE:
+ *
+ * Define macro UNALIGNED_SUPPORT_DISABLE, If the silicon does not support unaligned memory access
+ *
+ * - ARM_MATH_BIG_ENDIAN:
+ *
+ * Define macro ARM_MATH_BIG_ENDIAN to build the library for big endian targets. By default library builds for little endian targets.
+ *
+ * - ARM_MATH_MATRIX_CHECK:
+ *
+ * Define macro ARM_MATH_MATRIX_CHECK for checking on the input and output sizes of matrices
+ *
+ * - ARM_MATH_ROUNDING:
+ *
+ * Define macro ARM_MATH_ROUNDING for rounding on support functions
+ *
+ * - ARM_MATH_CMx:
+ *
+ * Define macro ARM_MATH_CM4 for building the library on Cortex-M4 target, ARM_MATH_CM3 for building library on Cortex-M3 target
+ * and ARM_MATH_CM0 for building library on cortex-M0 target, ARM_MATH_CM0PLUS for building library on cortex-M0+ target.
+ *
+ * - __FPU_PRESENT:
+ *
+ * Initialize macro __FPU_PRESENT = 1 when building on FPU supported Targets. Enable this macro for M4bf and M4lf libraries
+ *
+ * Copyright Notice
+ *
+ * Copyright (C) 2010-2013 ARM Limited. All rights reserved.
+ */
+
+
+/**
+ * @defgroup groupMath Basic Math Functions
+ */
+
+/**
+ * @defgroup groupFastMath Fast Math Functions
+ * This set of functions provides a fast approximation to sine, cosine, and square root.
+ * As compared to most of the other functions in the CMSIS math library, the fast math functions
+ * operate on individual values and not arrays.
+ * There are separate functions for Q15, Q31, and floating-point data.
+ *
+ */
+
+/**
+ * @defgroup groupCmplxMath Complex Math Functions
+ * This set of functions operates on complex data vectors.
+ * The data in the complex arrays is stored in an interleaved fashion
+ * (real, imag, real, imag, ...).
+ * In the API functions, the number of samples in a complex array refers
+ * to the number of complex values; the array contains twice this number of
+ * real values.
+ */
+
+/**
+ * @defgroup groupFilters Filtering Functions
+ */
+
+/**
+ * @defgroup groupMatrix Matrix Functions
+ *
+ * This set of functions provides basic matrix math operations.
+ * The functions operate on matrix data structures. For example,
+ * the type
+ * definition for the floating-point matrix structure is shown
+ * below:
+ *
+ * typedef struct
+ * {
+ * uint16_t numRows; // number of rows of the matrix.
+ * uint16_t numCols; // number of columns of the matrix.
+ * float32_t *pData; // points to the data of the matrix.
+ * } arm_matrix_instance_f32;
+ *
+ * There are similar definitions for Q15 and Q31 data types.
+ *
+ * The structure specifies the size of the matrix and then points to
+ * an array of data. The array is of size numRows X numCols
+ * and the values are arranged in row order. That is, the
+ * matrix element (i, j) is stored at:
+ * + * pData[i*numCols + j] + *+ * + * \par Init Functions + * There is an associated initialization function for each type of matrix + * data structure. + * The initialization function sets the values of the internal structure fields. + * Refer to the function
arm_mat_init_f32(), arm_mat_init_q31()
+ * and arm_mat_init_q15() for floating-point, Q31 and Q15 types, respectively.
+ *
+ * \par
+ * Use of the initialization function is optional. However, if initialization function is used
+ * then the instance structure cannot be placed into a const data section.
+ * To place the instance structure in a const data
+ * section, manually initialize the data structure. For example:
+ * + *+ * wherearm_matrix_instance_f32 S = {nRows, nColumns, pData};+ *arm_matrix_instance_q31 S = {nRows, nColumns, pData};+ *arm_matrix_instance_q15 S = {nRows, nColumns, pData};+ *
nRows specifies the number of rows, nColumns
+ * specifies the number of columns, and pData points to the
+ * data array.
+ *
+ * \par Size Checking
+ * By default all of the matrix functions perform size checking on the input and
+ * output matrices. For example, the matrix addition function verifies that the
+ * two input matrices and the output matrix all have the same number of rows and
+ * columns. If the size check fails the functions return:
+ * + * ARM_MATH_SIZE_MISMATCH + *+ * Otherwise the functions return + *
+ * ARM_MATH_SUCCESS + *+ * There is some overhead associated with this matrix size checking. + * The matrix size checking is enabled via the \#define + *
+ * ARM_MATH_MATRIX_CHECK + *+ * within the library project settings. By default this macro is defined + * and size checking is enabled. By changing the project settings and + * undefining this macro size checking is eliminated and the functions + * run a bit faster. With size checking disabled the functions always + * return
ARM_MATH_SUCCESS.
+ */
+
+/**
+ * @defgroup groupTransforms Transform Functions
+ */
+
+/**
+ * @defgroup groupController Controller Functions
+ */
+
+/**
+ * @defgroup groupStats Statistics Functions
+ */
+/**
+ * @defgroup groupSupport Support Functions
+ */
+
+/**
+ * @defgroup groupInterpolation Interpolation Functions
+ * These functions perform 1- and 2-dimensional interpolation of data.
+ * Linear interpolation is used for 1-dimensional data and
+ * bilinear interpolation is used for 2-dimensional data.
+ */
+
+/**
+ * @defgroup groupExamples Examples
+ */
+#ifndef _ARM_MATH_H
+#define _ARM_MATH_H
+
+#define __CMSIS_GENERIC /* disable NVIC and Systick functions */
+
+#if defined (ARM_MATH_CM4)
+#include "core_cm4.h"
+#elif defined (ARM_MATH_CM3)
+#include "core_cm3.h"
+#elif defined (ARM_MATH_CM0)
+#include "core_cm0.h"
+#define ARM_MATH_CM0_FAMILY
+#elif defined (ARM_MATH_CM0PLUS)
+#include "core_cm0plus.h"
+#define ARM_MATH_CM0_FAMILY
+#else
+#include "ARMCM4.h"
+#warning "Define either ARM_MATH_CM4 OR ARM_MATH_CM3...By Default building on ARM_MATH_CM4....."
+#endif
+
+#undef __CMSIS_GENERIC /* enable NVIC and Systick functions */
+#include "string.h"
+#include "math.h"
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+ /**
+ * @brief Macros required for reciprocal calculation in Normalized LMS
+ */
+
+#define DELTA_Q31 (0x100)
+#define DELTA_Q15 0x5
+#define INDEX_MASK 0x0000003F
+#ifndef PI
+#define PI 3.14159265358979f
+#endif
+
+ /**
+ * @brief Macros required for SINE and COSINE Fast math approximations
+ */
+
+#define TABLE_SIZE 256
+#define TABLE_SPACING_Q31 0x800000
+#define TABLE_SPACING_Q15 0x80
+
+ /**
+ * @brief Macros required for SINE and COSINE Controller functions
+ */
+ /* 1.31(q31) Fixed value of 2/360 */
+ /* -1 to +1 is divided into 360 values so total spacing is (2/360) */
+#define INPUT_SPACING 0xB60B61
+
+ /**
+ * @brief Macro for Unaligned Support
+ */
+#ifndef UNALIGNED_SUPPORT_DISABLE
+ #define ALIGN4
+#else
+ #if defined (__GNUC__)
+ #define ALIGN4 __attribute__((aligned(4)))
+ #else
+ #define ALIGN4 __align(4)
+ #endif
+#endif /* #ifndef UNALIGNED_SUPPORT_DISABLE */
+
+ /**
+ * @brief Error status returned by some functions in the library.
+ */
+
+ typedef enum
+ {
+ ARM_MATH_SUCCESS = 0, /**< No error */
+ ARM_MATH_ARGUMENT_ERROR = -1, /**< One or more arguments are incorrect */
+ ARM_MATH_LENGTH_ERROR = -2, /**< Length of data buffer is incorrect */
+ ARM_MATH_SIZE_MISMATCH = -3, /**< Size of matrices is not compatible with the operation. */
+ ARM_MATH_NANINF = -4, /**< Not-a-number (NaN) or infinity is generated */
+ ARM_MATH_SINGULAR = -5, /**< Generated by matrix inversion if the input matrix is singular and cannot be inverted. */
+ ARM_MATH_TEST_FAILURE = -6 /**< Test Failed */
+ } arm_status;
+
+ /**
+ * @brief 8-bit fractional data type in 1.7 format.
+ */
+ typedef int8_t q7_t;
+
+ /**
+ * @brief 16-bit fractional data type in 1.15 format.
+ */
+ typedef int16_t q15_t;
+
+ /**
+ * @brief 32-bit fractional data type in 1.31 format.
+ */
+ typedef int32_t q31_t;
+
+ /**
+ * @brief 64-bit fractional data type in 1.63 format.
+ */
+ typedef int64_t q63_t;
+
+ /**
+ * @brief 32-bit floating-point type definition.
+ */
+ typedef float float32_t;
+
+ /**
+ * @brief 64-bit floating-point type definition.
+ */
+ typedef double float64_t;
+
+ /**
+ * @brief definition to read/write two 16 bit values.
+ */
+#if defined __CC_ARM
+#define __SIMD32_TYPE int32_t __packed
+#define CMSIS_UNUSED __attribute__((unused))
+#elif defined __ICCARM__
+#define CMSIS_UNUSED
+#define __SIMD32_TYPE int32_t __packed
+#elif defined __GNUC__
+#define __SIMD32_TYPE int32_t
+#define CMSIS_UNUSED __attribute__((unused))
+#else
+#error Unknown compiler
+#endif
+
+#define __SIMD32(addr) (*(__SIMD32_TYPE **) & (addr))
+#define __SIMD32_CONST(addr) ((__SIMD32_TYPE *)(addr))
+
+#define _SIMD32_OFFSET(addr) (*(__SIMD32_TYPE *) (addr))
+
+#define __SIMD64(addr) (*(int64_t **) & (addr))
+
+#if defined (ARM_MATH_CM3) || defined (ARM_MATH_CM0_FAMILY)
+ /**
+ * @brief definition to pack two 16 bit values.
+ */
+#define __PKHBT(ARG1, ARG2, ARG3) ( (((int32_t)(ARG1) << 0) & (int32_t)0x0000FFFF) | \
+ (((int32_t)(ARG2) << ARG3) & (int32_t)0xFFFF0000) )
+#define __PKHTB(ARG1, ARG2, ARG3) ( (((int32_t)(ARG1) << 0) & (int32_t)0xFFFF0000) | \
+ (((int32_t)(ARG2) >> ARG3) & (int32_t)0x0000FFFF) )
+
+#endif
+
+
+ /**
+ * @brief definition to pack four 8 bit values.
+ */
+#ifndef ARM_MATH_BIG_ENDIAN
+
+#define __PACKq7(v0,v1,v2,v3) ( (((int32_t)(v0) << 0) & (int32_t)0x000000FF) | \
+ (((int32_t)(v1) << 8) & (int32_t)0x0000FF00) | \
+ (((int32_t)(v2) << 16) & (int32_t)0x00FF0000) | \
+ (((int32_t)(v3) << 24) & (int32_t)0xFF000000) )
+#else
+
+#define __PACKq7(v0,v1,v2,v3) ( (((int32_t)(v3) << 0) & (int32_t)0x000000FF) | \
+ (((int32_t)(v2) << 8) & (int32_t)0x0000FF00) | \
+ (((int32_t)(v1) << 16) & (int32_t)0x00FF0000) | \
+ (((int32_t)(v0) << 24) & (int32_t)0xFF000000) )
+
+#endif
+
+
+ /**
+ * @brief Clips Q63 to Q31 values.
+ */
+ static __INLINE q31_t clip_q63_to_q31(
+ q63_t x)
+ {
+ return ((q31_t) (x >> 32) != ((q31_t) x >> 31)) ?
+ ((0x7FFFFFFF ^ ((q31_t) (x >> 63)))) : (q31_t) x;
+ }
+
+ /**
+ * @brief Clips Q63 to Q15 values.
+ */
+ static __INLINE q15_t clip_q63_to_q15(
+ q63_t x)
+ {
+ return ((q31_t) (x >> 32) != ((q31_t) x >> 31)) ?
+ ((0x7FFF ^ ((q15_t) (x >> 63)))) : (q15_t) (x >> 15);
+ }
+
+ /**
+ * @brief Clips Q31 to Q7 values.
+ */
+ static __INLINE q7_t clip_q31_to_q7(
+ q31_t x)
+ {
+ return ((q31_t) (x >> 24) != ((q31_t) x >> 23)) ?
+ ((0x7F ^ ((q7_t) (x >> 31)))) : (q7_t) x;
+ }
+
+ /**
+ * @brief Clips Q31 to Q15 values.
+ */
+ static __INLINE q15_t clip_q31_to_q15(
+ q31_t x)
+ {
+ return ((q31_t) (x >> 16) != ((q31_t) x >> 15)) ?
+ ((0x7FFF ^ ((q15_t) (x >> 31)))) : (q15_t) x;
+ }
+
+ /**
+ * @brief Multiplies 32 X 64 and returns 32 bit result in 2.30 format.
+ */
+
+ static __INLINE q63_t mult32x64(
+ q63_t x,
+ q31_t y)
+ {
+ return ((((q63_t) (x & 0x00000000FFFFFFFF) * y) >> 32) +
+ (((q63_t) (x >> 32) * y)));
+ }
+
+
+#if defined (ARM_MATH_CM0_FAMILY) && defined ( __CC_ARM )
+#define __CLZ __clz
+#endif
+
+#if defined (ARM_MATH_CM0_FAMILY) && ((defined (__ICCARM__)) ||(defined (__GNUC__)) || defined (__TASKING__) )
+
+ static __INLINE uint32_t __CLZ(
+ q31_t data);
+
+
+ static __INLINE uint32_t __CLZ(
+ q31_t data)
+ {
+ uint32_t count = 0;
+ uint32_t mask = 0x80000000;
+
+ while((data & mask) == 0)
+ {
+ count += 1u;
+ mask = mask >> 1u;
+ }
+
+ return (count);
+
+ }
+
+#endif
+
+ /**
+ * @brief Function to Calculates 1/in (reciprocal) value of Q31 Data type.
+ */
+
+ static __INLINE uint32_t arm_recip_q31(
+ q31_t in,
+ q31_t * dst,
+ q31_t * pRecipTable)
+ {
+
+ uint32_t out, tempVal;
+ uint32_t index, i;
+ uint32_t signBits;
+
+ if(in > 0)
+ {
+ signBits = __CLZ(in) - 1;
+ }
+ else
+ {
+ signBits = __CLZ(-in) - 1;
+ }
+
+ /* Convert input sample to 1.31 format */
+ in = in << signBits;
+
+ /* calculation of index for initial approximated Val */
+ index = (uint32_t) (in >> 24u);
+ index = (index & INDEX_MASK);
+
+ /* 1.31 with exp 1 */
+ out = pRecipTable[index];
+
+ /* calculation of reciprocal value */
+ /* running approximation for two iterations */
+ for (i = 0u; i < 2u; i++)
+ {
+ tempVal = (q31_t) (((q63_t) in * out) >> 31u);
+ tempVal = 0x7FFFFFFF - tempVal;
+ /* 1.31 with exp 1 */
+ //out = (q31_t) (((q63_t) out * tempVal) >> 30u);
+ out = (q31_t) clip_q63_to_q31(((q63_t) out * tempVal) >> 30u);
+ }
+
+ /* write output */
+ *dst = out;
+
+ /* return num of signbits of out = 1/in value */
+ return (signBits + 1u);
+
+ }
+
+ /**
+ * @brief Function to Calculates 1/in (reciprocal) value of Q15 Data type.
+ */
+ static __INLINE uint32_t arm_recip_q15(
+ q15_t in,
+ q15_t * dst,
+ q15_t * pRecipTable)
+ {
+
+ uint32_t out = 0, tempVal = 0;
+ uint32_t index = 0, i = 0;
+ uint32_t signBits = 0;
+
+ if(in > 0)
+ {
+ signBits = __CLZ(in) - 17;
+ }
+ else
+ {
+ signBits = __CLZ(-in) - 17;
+ }
+
+ /* Convert input sample to 1.15 format */
+ in = in << signBits;
+
+ /* calculation of index for initial approximated Val */
+ index = in >> 8;
+ index = (index & INDEX_MASK);
+
+ /* 1.15 with exp 1 */
+ out = pRecipTable[index];
+
+ /* calculation of reciprocal value */
+ /* running approximation for two iterations */
+ for (i = 0; i < 2; i++)
+ {
+ tempVal = (q15_t) (((q31_t) in * out) >> 15);
+ tempVal = 0x7FFF - tempVal;
+ /* 1.15 with exp 1 */
+ out = (q15_t) (((q31_t) out * tempVal) >> 14);
+ }
+
+ /* write output */
+ *dst = out;
+
+ /* return num of signbits of out = 1/in value */
+ return (signBits + 1);
+
+ }
+
+
+ /*
+ * @brief C custom defined intrinisic function for only M0 processors
+ */
+#if defined(ARM_MATH_CM0_FAMILY)
+
+ static __INLINE q31_t __SSAT(
+ q31_t x,
+ uint32_t y)
+ {
+ int32_t posMax, negMin;
+ uint32_t i;
+
+ posMax = 1;
+ for (i = 0; i < (y - 1); i++)
+ {
+ posMax = posMax * 2;
+ }
+
+ if(x > 0)
+ {
+ posMax = (posMax - 1);
+
+ if(x > posMax)
+ {
+ x = posMax;
+ }
+ }
+ else
+ {
+ negMin = -posMax;
+
+ if(x < negMin)
+ {
+ x = negMin;
+ }
+ }
+ return (x);
+
+
+ }
+
+#endif /* end of ARM_MATH_CM0_FAMILY */
+
+
+
+ /*
+ * @brief C custom defined intrinsic function for M3 and M0 processors
+ */
+#if defined (ARM_MATH_CM3) || defined (ARM_MATH_CM0_FAMILY)
+
+ /*
+ * @brief C custom defined QADD8 for M3 and M0 processors
+ */
+ static __INLINE q31_t __QADD8(
+ q31_t x,
+ q31_t y)
+ {
+
+ q31_t sum;
+ q7_t r, s, t, u;
+
+ r = (q7_t) x;
+ s = (q7_t) y;
+
+ r = __SSAT((q31_t) (r + s), 8);
+ s = __SSAT(((q31_t) (((x << 16) >> 24) + ((y << 16) >> 24))), 8);
+ t = __SSAT(((q31_t) (((x << 8) >> 24) + ((y << 8) >> 24))), 8);
+ u = __SSAT(((q31_t) ((x >> 24) + (y >> 24))), 8);
+
+ sum =
+ (((q31_t) u << 24) & 0xFF000000) | (((q31_t) t << 16) & 0x00FF0000) |
+ (((q31_t) s << 8) & 0x0000FF00) | (r & 0x000000FF);
+
+ return sum;
+
+ }
+
+ /*
+ * @brief C custom defined QSUB8 for M3 and M0 processors
+ */
+ static __INLINE q31_t __QSUB8(
+ q31_t x,
+ q31_t y)
+ {
+
+ q31_t sum;
+ q31_t r, s, t, u;
+
+ r = (q7_t) x;
+ s = (q7_t) y;
+
+ r = __SSAT((r - s), 8);
+ s = __SSAT(((q31_t) (((x << 16) >> 24) - ((y << 16) >> 24))), 8) << 8;
+ t = __SSAT(((q31_t) (((x << 8) >> 24) - ((y << 8) >> 24))), 8) << 16;
+ u = __SSAT(((q31_t) ((x >> 24) - (y >> 24))), 8) << 24;
+
+ sum =
+ (u & 0xFF000000) | (t & 0x00FF0000) | (s & 0x0000FF00) | (r &
+ 0x000000FF);
+
+ return sum;
+ }
+
+ /*
+ * @brief C custom defined QADD16 for M3 and M0 processors
+ */
+
+ /*
+ * @brief C custom defined QADD16 for M3 and M0 processors
+ */
+ static __INLINE q31_t __QADD16(
+ q31_t x,
+ q31_t y)
+ {
+
+ q31_t sum;
+ q31_t r, s;
+
+ r = (short) x;
+ s = (short) y;
+
+ r = __SSAT(r + s, 16);
+ s = __SSAT(((q31_t) ((x >> 16) + (y >> 16))), 16) << 16;
+
+ sum = (s & 0xFFFF0000) | (r & 0x0000FFFF);
+
+ return sum;
+
+ }
+
+ /*
+ * @brief C custom defined SHADD16 for M3 and M0 processors
+ */
+ static __INLINE q31_t __SHADD16(
+ q31_t x,
+ q31_t y)
+ {
+
+ q31_t sum;
+ q31_t r, s;
+
+ r = (short) x;
+ s = (short) y;
+
+ r = ((r >> 1) + (s >> 1));
+ s = ((q31_t) ((x >> 17) + (y >> 17))) << 16;
+
+ sum = (s & 0xFFFF0000) | (r & 0x0000FFFF);
+
+ return sum;
+
+ }
+
+ /*
+ * @brief C custom defined QSUB16 for M3 and M0 processors
+ */
+ static __INLINE q31_t __QSUB16(
+ q31_t x,
+ q31_t y)
+ {
+
+ q31_t sum;
+ q31_t r, s;
+
+ r = (short) x;
+ s = (short) y;
+
+ r = __SSAT(r - s, 16);
+ s = __SSAT(((q31_t) ((x >> 16) - (y >> 16))), 16) << 16;
+
+ sum = (s & 0xFFFF0000) | (r & 0x0000FFFF);
+
+ return sum;
+ }
+
+ /*
+ * @brief C custom defined SHSUB16 for M3 and M0 processors
+ */
+ static __INLINE q31_t __SHSUB16(
+ q31_t x,
+ q31_t y)
+ {
+
+ q31_t diff;
+ q31_t r, s;
+
+ r = (short) x;
+ s = (short) y;
+
+ r = ((r >> 1) - (s >> 1));
+ s = (((x >> 17) - (y >> 17)) << 16);
+
+ diff = (s & 0xFFFF0000) | (r & 0x0000FFFF);
+
+ return diff;
+ }
+
+ /*
+ * @brief C custom defined QASX for M3 and M0 processors
+ */
+ static __INLINE q31_t __QASX(
+ q31_t x,
+ q31_t y)
+ {
+
+ q31_t sum = 0;
+
+ sum =
+ ((sum +
+ clip_q31_to_q15((q31_t) ((short) (x >> 16) + (short) y))) << 16) +
+ clip_q31_to_q15((q31_t) ((short) x - (short) (y >> 16)));
+
+ return sum;
+ }
+
+ /*
+ * @brief C custom defined SHASX for M3 and M0 processors
+ */
+ static __INLINE q31_t __SHASX(
+ q31_t x,
+ q31_t y)
+ {
+
+ q31_t sum;
+ q31_t r, s;
+
+ r = (short) x;
+ s = (short) y;
+
+ r = ((r >> 1) - (y >> 17));
+ s = (((x >> 17) + (s >> 1)) << 16);
+
+ sum = (s & 0xFFFF0000) | (r & 0x0000FFFF);
+
+ return sum;
+ }
+
+
+ /*
+ * @brief C custom defined QSAX for M3 and M0 processors
+ */
+ static __INLINE q31_t __QSAX(
+ q31_t x,
+ q31_t y)
+ {
+
+ q31_t sum = 0;
+
+ sum =
+ ((sum +
+ clip_q31_to_q15((q31_t) ((short) (x >> 16) - (short) y))) << 16) +
+ clip_q31_to_q15((q31_t) ((short) x + (short) (y >> 16)));
+
+ return sum;
+ }
+
+ /*
+ * @brief C custom defined SHSAX for M3 and M0 processors
+ */
+ static __INLINE q31_t __SHSAX(
+ q31_t x,
+ q31_t y)
+ {
+
+ q31_t sum;
+ q31_t r, s;
+
+ r = (short) x;
+ s = (short) y;
+
+ r = ((r >> 1) + (y >> 17));
+ s = (((x >> 17) - (s >> 1)) << 16);
+
+ sum = (s & 0xFFFF0000) | (r & 0x0000FFFF);
+
+ return sum;
+ }
+
+ /*
+ * @brief C custom defined SMUSDX for M3 and M0 processors
+ */
+ static __INLINE q31_t __SMUSDX(
+ q31_t x,
+ q31_t y)
+ {
+
+ return ((q31_t) (((short) x * (short) (y >> 16)) -
+ ((short) (x >> 16) * (short) y)));
+ }
+
+ /*
+ * @brief C custom defined SMUADX for M3 and M0 processors
+ */
+ static __INLINE q31_t __SMUADX(
+ q31_t x,
+ q31_t y)
+ {
+
+ return ((q31_t) (((short) x * (short) (y >> 16)) +
+ ((short) (x >> 16) * (short) y)));
+ }
+
+ /*
+ * @brief C custom defined QADD for M3 and M0 processors
+ */
+ static __INLINE q31_t __QADD(
+ q31_t x,
+ q31_t y)
+ {
+ return clip_q63_to_q31((q63_t) x + y);
+ }
+
+ /*
+ * @brief C custom defined QSUB for M3 and M0 processors
+ */
+ static __INLINE q31_t __QSUB(
+ q31_t x,
+ q31_t y)
+ {
+ return clip_q63_to_q31((q63_t) x - y);
+ }
+
+ /*
+ * @brief C custom defined SMLAD for M3 and M0 processors
+ */
+ static __INLINE q31_t __SMLAD(
+ q31_t x,
+ q31_t y,
+ q31_t sum)
+ {
+
+ return (sum + ((short) (x >> 16) * (short) (y >> 16)) +
+ ((short) x * (short) y));
+ }
+
+ /*
+ * @brief C custom defined SMLADX for M3 and M0 processors
+ */
+ static __INLINE q31_t __SMLADX(
+ q31_t x,
+ q31_t y,
+ q31_t sum)
+ {
+
+ return (sum + ((short) (x >> 16) * (short) (y)) +
+ ((short) x * (short) (y >> 16)));
+ }
+
+ /*
+ * @brief C custom defined SMLSDX for M3 and M0 processors
+ */
+ static __INLINE q31_t __SMLSDX(
+ q31_t x,
+ q31_t y,
+ q31_t sum)
+ {
+
+ return (sum - ((short) (x >> 16) * (short) (y)) +
+ ((short) x * (short) (y >> 16)));
+ }
+
+ /*
+ * @brief C custom defined SMLALD for M3 and M0 processors
+ */
+ static __INLINE q63_t __SMLALD(
+ q31_t x,
+ q31_t y,
+ q63_t sum)
+ {
+
+ return (sum + ((short) (x >> 16) * (short) (y >> 16)) +
+ ((short) x * (short) y));
+ }
+
+ /*
+ * @brief C custom defined SMLALDX for M3 and M0 processors
+ */
+ static __INLINE q63_t __SMLALDX(
+ q31_t x,
+ q31_t y,
+ q63_t sum)
+ {
+
+ return (sum + ((short) (x >> 16) * (short) y)) +
+ ((short) x * (short) (y >> 16));
+ }
+
+ /*
+ * @brief C custom defined SMUAD for M3 and M0 processors
+ */
+ static __INLINE q31_t __SMUAD(
+ q31_t x,
+ q31_t y)
+ {
+
+ return (((x >> 16) * (y >> 16)) +
+ (((x << 16) >> 16) * ((y << 16) >> 16)));
+ }
+
+ /*
+ * @brief C custom defined SMUSD for M3 and M0 processors
+ */
+ static __INLINE q31_t __SMUSD(
+ q31_t x,
+ q31_t y)
+ {
+
+ return (-((x >> 16) * (y >> 16)) +
+ (((x << 16) >> 16) * ((y << 16) >> 16)));
+ }
+
+
+ /*
+ * @brief C custom defined SXTB16 for M3 and M0 processors
+ */
+ static __INLINE q31_t __SXTB16(
+ q31_t x)
+ {
+
+ return ((((x << 24) >> 24) & 0x0000FFFF) |
+ (((x << 8) >> 8) & 0xFFFF0000));
+ }
+
+
+#endif /* defined (ARM_MATH_CM3) || defined (ARM_MATH_CM0_FAMILY) */
+
+
+ /**
+ * @brief Instance structure for the Q7 FIR filter.
+ */
+ typedef struct
+ {
+ uint16_t numTaps; /**< number of filter coefficients in the filter. */
+ q7_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
+ q7_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps.*/
+ } arm_fir_instance_q7;
+
+ /**
+ * @brief Instance structure for the Q15 FIR filter.
+ */
+ typedef struct
+ {
+ uint16_t numTaps; /**< number of filter coefficients in the filter. */
+ q15_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
+ q15_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps.*/
+ } arm_fir_instance_q15;
+
+ /**
+ * @brief Instance structure for the Q31 FIR filter.
+ */
+ typedef struct
+ {
+ uint16_t numTaps; /**< number of filter coefficients in the filter. */
+ q31_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
+ q31_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps. */
+ } arm_fir_instance_q31;
+
+ /**
+ * @brief Instance structure for the floating-point FIR filter.
+ */
+ typedef struct
+ {
+ uint16_t numTaps; /**< number of filter coefficients in the filter. */
+ float32_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
+ float32_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps. */
+ } arm_fir_instance_f32;
+
+
+ /**
+ * @brief Processing function for the Q7 FIR filter.
+ * @param[in] *S points to an instance of the Q7 FIR filter structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+ void arm_fir_q7(
+ const arm_fir_instance_q7 * S,
+ q7_t * pSrc,
+ q7_t * pDst,
+ uint32_t blockSize);
+
+
+ /**
+ * @brief Initialization function for the Q7 FIR filter.
+ * @param[in,out] *S points to an instance of the Q7 FIR structure.
+ * @param[in] numTaps Number of filter coefficients in the filter.
+ * @param[in] *pCoeffs points to the filter coefficients.
+ * @param[in] *pState points to the state buffer.
+ * @param[in] blockSize number of samples that are processed.
+ * @return none
+ */
+ void arm_fir_init_q7(
+ arm_fir_instance_q7 * S,
+ uint16_t numTaps,
+ q7_t * pCoeffs,
+ q7_t * pState,
+ uint32_t blockSize);
+
+
+ /**
+ * @brief Processing function for the Q15 FIR filter.
+ * @param[in] *S points to an instance of the Q15 FIR structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+ void arm_fir_q15(
+ const arm_fir_instance_q15 * S,
+ q15_t * pSrc,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Processing function for the fast Q15 FIR filter for Cortex-M3 and Cortex-M4.
+ * @param[in] *S points to an instance of the Q15 FIR filter structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+ void arm_fir_fast_q15(
+ const arm_fir_instance_q15 * S,
+ q15_t * pSrc,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Initialization function for the Q15 FIR filter.
+ * @param[in,out] *S points to an instance of the Q15 FIR filter structure.
+ * @param[in] numTaps Number of filter coefficients in the filter. Must be even and greater than or equal to 4.
+ * @param[in] *pCoeffs points to the filter coefficients.
+ * @param[in] *pState points to the state buffer.
+ * @param[in] blockSize number of samples that are processed at a time.
+ * @return The function returns ARM_MATH_SUCCESS if initialization was successful or ARM_MATH_ARGUMENT_ERROR if
+ * numTaps is not a supported value.
+ */
+
+ arm_status arm_fir_init_q15(
+ arm_fir_instance_q15 * S,
+ uint16_t numTaps,
+ q15_t * pCoeffs,
+ q15_t * pState,
+ uint32_t blockSize);
+
+ /**
+ * @brief Processing function for the Q31 FIR filter.
+ * @param[in] *S points to an instance of the Q31 FIR filter structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+ void arm_fir_q31(
+ const arm_fir_instance_q31 * S,
+ q31_t * pSrc,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Processing function for the fast Q31 FIR filter for Cortex-M3 and Cortex-M4.
+ * @param[in] *S points to an instance of the Q31 FIR structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+ void arm_fir_fast_q31(
+ const arm_fir_instance_q31 * S,
+ q31_t * pSrc,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Initialization function for the Q31 FIR filter.
+ * @param[in,out] *S points to an instance of the Q31 FIR structure.
+ * @param[in] numTaps Number of filter coefficients in the filter.
+ * @param[in] *pCoeffs points to the filter coefficients.
+ * @param[in] *pState points to the state buffer.
+ * @param[in] blockSize number of samples that are processed at a time.
+ * @return none.
+ */
+ void arm_fir_init_q31(
+ arm_fir_instance_q31 * S,
+ uint16_t numTaps,
+ q31_t * pCoeffs,
+ q31_t * pState,
+ uint32_t blockSize);
+
+ /**
+ * @brief Processing function for the floating-point FIR filter.
+ * @param[in] *S points to an instance of the floating-point FIR structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+ void arm_fir_f32(
+ const arm_fir_instance_f32 * S,
+ float32_t * pSrc,
+ float32_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Initialization function for the floating-point FIR filter.
+ * @param[in,out] *S points to an instance of the floating-point FIR filter structure.
+ * @param[in] numTaps Number of filter coefficients in the filter.
+ * @param[in] *pCoeffs points to the filter coefficients.
+ * @param[in] *pState points to the state buffer.
+ * @param[in] blockSize number of samples that are processed at a time.
+ * @return none.
+ */
+ void arm_fir_init_f32(
+ arm_fir_instance_f32 * S,
+ uint16_t numTaps,
+ float32_t * pCoeffs,
+ float32_t * pState,
+ uint32_t blockSize);
+
+
+ /**
+ * @brief Instance structure for the Q15 Biquad cascade filter.
+ */
+ typedef struct
+ {
+ int8_t numStages; /**< number of 2nd order stages in the filter. Overall order is 2*numStages. */
+ q15_t *pState; /**< Points to the array of state coefficients. The array is of length 4*numStages. */
+ q15_t *pCoeffs; /**< Points to the array of coefficients. The array is of length 5*numStages. */
+ int8_t postShift; /**< Additional shift, in bits, applied to each output sample. */
+
+ } arm_biquad_casd_df1_inst_q15;
+
+
+ /**
+ * @brief Instance structure for the Q31 Biquad cascade filter.
+ */
+ typedef struct
+ {
+ uint32_t numStages; /**< number of 2nd order stages in the filter. Overall order is 2*numStages. */
+ q31_t *pState; /**< Points to the array of state coefficients. The array is of length 4*numStages. */
+ q31_t *pCoeffs; /**< Points to the array of coefficients. The array is of length 5*numStages. */
+ uint8_t postShift; /**< Additional shift, in bits, applied to each output sample. */
+
+ } arm_biquad_casd_df1_inst_q31;
+
+ /**
+ * @brief Instance structure for the floating-point Biquad cascade filter.
+ */
+ typedef struct
+ {
+ uint32_t numStages; /**< number of 2nd order stages in the filter. Overall order is 2*numStages. */
+ float32_t *pState; /**< Points to the array of state coefficients. The array is of length 4*numStages. */
+ float32_t *pCoeffs; /**< Points to the array of coefficients. The array is of length 5*numStages. */
+
+
+ } arm_biquad_casd_df1_inst_f32;
+
+
+
+ /**
+ * @brief Processing function for the Q15 Biquad cascade filter.
+ * @param[in] *S points to an instance of the Q15 Biquad cascade structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_biquad_cascade_df1_q15(
+ const arm_biquad_casd_df1_inst_q15 * S,
+ q15_t * pSrc,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Initialization function for the Q15 Biquad cascade filter.
+ * @param[in,out] *S points to an instance of the Q15 Biquad cascade structure.
+ * @param[in] numStages number of 2nd order stages in the filter.
+ * @param[in] *pCoeffs points to the filter coefficients.
+ * @param[in] *pState points to the state buffer.
+ * @param[in] postShift Shift to be applied to the output. Varies according to the coefficients format
+ * @return none
+ */
+
+ void arm_biquad_cascade_df1_init_q15(
+ arm_biquad_casd_df1_inst_q15 * S,
+ uint8_t numStages,
+ q15_t * pCoeffs,
+ q15_t * pState,
+ int8_t postShift);
+
+
+ /**
+ * @brief Fast but less precise processing function for the Q15 Biquad cascade filter for Cortex-M3 and Cortex-M4.
+ * @param[in] *S points to an instance of the Q15 Biquad cascade structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_biquad_cascade_df1_fast_q15(
+ const arm_biquad_casd_df1_inst_q15 * S,
+ q15_t * pSrc,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+
+ /**
+ * @brief Processing function for the Q31 Biquad cascade filter
+ * @param[in] *S points to an instance of the Q31 Biquad cascade structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_biquad_cascade_df1_q31(
+ const arm_biquad_casd_df1_inst_q31 * S,
+ q31_t * pSrc,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Fast but less precise processing function for the Q31 Biquad cascade filter for Cortex-M3 and Cortex-M4.
+ * @param[in] *S points to an instance of the Q31 Biquad cascade structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_biquad_cascade_df1_fast_q31(
+ const arm_biquad_casd_df1_inst_q31 * S,
+ q31_t * pSrc,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Initialization function for the Q31 Biquad cascade filter.
+ * @param[in,out] *S points to an instance of the Q31 Biquad cascade structure.
+ * @param[in] numStages number of 2nd order stages in the filter.
+ * @param[in] *pCoeffs points to the filter coefficients.
+ * @param[in] *pState points to the state buffer.
+ * @param[in] postShift Shift to be applied to the output. Varies according to the coefficients format
+ * @return none
+ */
+
+ void arm_biquad_cascade_df1_init_q31(
+ arm_biquad_casd_df1_inst_q31 * S,
+ uint8_t numStages,
+ q31_t * pCoeffs,
+ q31_t * pState,
+ int8_t postShift);
+
+ /**
+ * @brief Processing function for the floating-point Biquad cascade filter.
+ * @param[in] *S points to an instance of the floating-point Biquad cascade structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_biquad_cascade_df1_f32(
+ const arm_biquad_casd_df1_inst_f32 * S,
+ float32_t * pSrc,
+ float32_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Initialization function for the floating-point Biquad cascade filter.
+ * @param[in,out] *S points to an instance of the floating-point Biquad cascade structure.
+ * @param[in] numStages number of 2nd order stages in the filter.
+ * @param[in] *pCoeffs points to the filter coefficients.
+ * @param[in] *pState points to the state buffer.
+ * @return none
+ */
+
+ void arm_biquad_cascade_df1_init_f32(
+ arm_biquad_casd_df1_inst_f32 * S,
+ uint8_t numStages,
+ float32_t * pCoeffs,
+ float32_t * pState);
+
+
+ /**
+ * @brief Instance structure for the floating-point matrix structure.
+ */
+
+ typedef struct
+ {
+ uint16_t numRows; /**< number of rows of the matrix. */
+ uint16_t numCols; /**< number of columns of the matrix. */
+ float32_t *pData; /**< points to the data of the matrix. */
+ } arm_matrix_instance_f32;
+
+ /**
+ * @brief Instance structure for the Q15 matrix structure.
+ */
+
+ typedef struct
+ {
+ uint16_t numRows; /**< number of rows of the matrix. */
+ uint16_t numCols; /**< number of columns of the matrix. */
+ q15_t *pData; /**< points to the data of the matrix. */
+
+ } arm_matrix_instance_q15;
+
+ /**
+ * @brief Instance structure for the Q31 matrix structure.
+ */
+
+ typedef struct
+ {
+ uint16_t numRows; /**< number of rows of the matrix. */
+ uint16_t numCols; /**< number of columns of the matrix. */
+ q31_t *pData; /**< points to the data of the matrix. */
+
+ } arm_matrix_instance_q31;
+
+
+
+ /**
+ * @brief Floating-point matrix addition.
+ * @param[in] *pSrcA points to the first input matrix structure
+ * @param[in] *pSrcB points to the second input matrix structure
+ * @param[out] *pDst points to output matrix structure
+ * @return The function returns either
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+ */
+
+ arm_status arm_mat_add_f32(
+ const arm_matrix_instance_f32 * pSrcA,
+ const arm_matrix_instance_f32 * pSrcB,
+ arm_matrix_instance_f32 * pDst);
+
+ /**
+ * @brief Q15 matrix addition.
+ * @param[in] *pSrcA points to the first input matrix structure
+ * @param[in] *pSrcB points to the second input matrix structure
+ * @param[out] *pDst points to output matrix structure
+ * @return The function returns either
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+ */
+
+ arm_status arm_mat_add_q15(
+ const arm_matrix_instance_q15 * pSrcA,
+ const arm_matrix_instance_q15 * pSrcB,
+ arm_matrix_instance_q15 * pDst);
+
+ /**
+ * @brief Q31 matrix addition.
+ * @param[in] *pSrcA points to the first input matrix structure
+ * @param[in] *pSrcB points to the second input matrix structure
+ * @param[out] *pDst points to output matrix structure
+ * @return The function returns either
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+ */
+
+ arm_status arm_mat_add_q31(
+ const arm_matrix_instance_q31 * pSrcA,
+ const arm_matrix_instance_q31 * pSrcB,
+ arm_matrix_instance_q31 * pDst);
+
+
+ /**
+ * @brief Floating-point matrix transpose.
+ * @param[in] *pSrc points to the input matrix
+ * @param[out] *pDst points to the output matrix
+ * @return The function returns either ARM_MATH_SIZE_MISMATCH
+ * or ARM_MATH_SUCCESS based on the outcome of size checking.
+ */
+
+ arm_status arm_mat_trans_f32(
+ const arm_matrix_instance_f32 * pSrc,
+ arm_matrix_instance_f32 * pDst);
+
+
+ /**
+ * @brief Q15 matrix transpose.
+ * @param[in] *pSrc points to the input matrix
+ * @param[out] *pDst points to the output matrix
+ * @return The function returns either ARM_MATH_SIZE_MISMATCH
+ * or ARM_MATH_SUCCESS based on the outcome of size checking.
+ */
+
+ arm_status arm_mat_trans_q15(
+ const arm_matrix_instance_q15 * pSrc,
+ arm_matrix_instance_q15 * pDst);
+
+ /**
+ * @brief Q31 matrix transpose.
+ * @param[in] *pSrc points to the input matrix
+ * @param[out] *pDst points to the output matrix
+ * @return The function returns either ARM_MATH_SIZE_MISMATCH
+ * or ARM_MATH_SUCCESS based on the outcome of size checking.
+ */
+
+ arm_status arm_mat_trans_q31(
+ const arm_matrix_instance_q31 * pSrc,
+ arm_matrix_instance_q31 * pDst);
+
+
+ /**
+ * @brief Floating-point matrix multiplication
+ * @param[in] *pSrcA points to the first input matrix structure
+ * @param[in] *pSrcB points to the second input matrix structure
+ * @param[out] *pDst points to output matrix structure
+ * @return The function returns either
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+ */
+
+ arm_status arm_mat_mult_f32(
+ const arm_matrix_instance_f32 * pSrcA,
+ const arm_matrix_instance_f32 * pSrcB,
+ arm_matrix_instance_f32 * pDst);
+
+ /**
+ * @brief Q15 matrix multiplication
+ * @param[in] *pSrcA points to the first input matrix structure
+ * @param[in] *pSrcB points to the second input matrix structure
+ * @param[out] *pDst points to output matrix structure
+ * @param[in] *pState points to the array for storing intermediate results
+ * @return The function returns either
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+ */
+
+ arm_status arm_mat_mult_q15(
+ const arm_matrix_instance_q15 * pSrcA,
+ const arm_matrix_instance_q15 * pSrcB,
+ arm_matrix_instance_q15 * pDst,
+ q15_t * pState);
+
+ /**
+ * @brief Q15 matrix multiplication (fast variant) for Cortex-M3 and Cortex-M4
+ * @param[in] *pSrcA points to the first input matrix structure
+ * @param[in] *pSrcB points to the second input matrix structure
+ * @param[out] *pDst points to output matrix structure
+ * @param[in] *pState points to the array for storing intermediate results
+ * @return The function returns either
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+ */
+
+ arm_status arm_mat_mult_fast_q15(
+ const arm_matrix_instance_q15 * pSrcA,
+ const arm_matrix_instance_q15 * pSrcB,
+ arm_matrix_instance_q15 * pDst,
+ q15_t * pState);
+
+ /**
+ * @brief Q31 matrix multiplication
+ * @param[in] *pSrcA points to the first input matrix structure
+ * @param[in] *pSrcB points to the second input matrix structure
+ * @param[out] *pDst points to output matrix structure
+ * @return The function returns either
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+ */
+
+ arm_status arm_mat_mult_q31(
+ const arm_matrix_instance_q31 * pSrcA,
+ const arm_matrix_instance_q31 * pSrcB,
+ arm_matrix_instance_q31 * pDst);
+
+ /**
+ * @brief Q31 matrix multiplication (fast variant) for Cortex-M3 and Cortex-M4
+ * @param[in] *pSrcA points to the first input matrix structure
+ * @param[in] *pSrcB points to the second input matrix structure
+ * @param[out] *pDst points to output matrix structure
+ * @return The function returns either
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+ */
+
+ arm_status arm_mat_mult_fast_q31(
+ const arm_matrix_instance_q31 * pSrcA,
+ const arm_matrix_instance_q31 * pSrcB,
+ arm_matrix_instance_q31 * pDst);
+
+
+ /**
+ * @brief Floating-point matrix subtraction
+ * @param[in] *pSrcA points to the first input matrix structure
+ * @param[in] *pSrcB points to the second input matrix structure
+ * @param[out] *pDst points to output matrix structure
+ * @return The function returns either
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+ */
+
+ arm_status arm_mat_sub_f32(
+ const arm_matrix_instance_f32 * pSrcA,
+ const arm_matrix_instance_f32 * pSrcB,
+ arm_matrix_instance_f32 * pDst);
+
+ /**
+ * @brief Q15 matrix subtraction
+ * @param[in] *pSrcA points to the first input matrix structure
+ * @param[in] *pSrcB points to the second input matrix structure
+ * @param[out] *pDst points to output matrix structure
+ * @return The function returns either
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+ */
+
+ arm_status arm_mat_sub_q15(
+ const arm_matrix_instance_q15 * pSrcA,
+ const arm_matrix_instance_q15 * pSrcB,
+ arm_matrix_instance_q15 * pDst);
+
+ /**
+ * @brief Q31 matrix subtraction
+ * @param[in] *pSrcA points to the first input matrix structure
+ * @param[in] *pSrcB points to the second input matrix structure
+ * @param[out] *pDst points to output matrix structure
+ * @return The function returns either
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+ */
+
+ arm_status arm_mat_sub_q31(
+ const arm_matrix_instance_q31 * pSrcA,
+ const arm_matrix_instance_q31 * pSrcB,
+ arm_matrix_instance_q31 * pDst);
+
+ /**
+ * @brief Floating-point matrix scaling.
+ * @param[in] *pSrc points to the input matrix
+ * @param[in] scale scale factor
+ * @param[out] *pDst points to the output matrix
+ * @return The function returns either
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+ */
+
+ arm_status arm_mat_scale_f32(
+ const arm_matrix_instance_f32 * pSrc,
+ float32_t scale,
+ arm_matrix_instance_f32 * pDst);
+
+ /**
+ * @brief Q15 matrix scaling.
+ * @param[in] *pSrc points to input matrix
+ * @param[in] scaleFract fractional portion of the scale factor
+ * @param[in] shift number of bits to shift the result by
+ * @param[out] *pDst points to output matrix
+ * @return The function returns either
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+ */
+
+ arm_status arm_mat_scale_q15(
+ const arm_matrix_instance_q15 * pSrc,
+ q15_t scaleFract,
+ int32_t shift,
+ arm_matrix_instance_q15 * pDst);
+
+ /**
+ * @brief Q31 matrix scaling.
+ * @param[in] *pSrc points to input matrix
+ * @param[in] scaleFract fractional portion of the scale factor
+ * @param[in] shift number of bits to shift the result by
+ * @param[out] *pDst points to output matrix structure
+ * @return The function returns either
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+ */
+
+ arm_status arm_mat_scale_q31(
+ const arm_matrix_instance_q31 * pSrc,
+ q31_t scaleFract,
+ int32_t shift,
+ arm_matrix_instance_q31 * pDst);
+
+
+ /**
+ * @brief Q31 matrix initialization.
+ * @param[in,out] *S points to an instance of the floating-point matrix structure.
+ * @param[in] nRows number of rows in the matrix.
+ * @param[in] nColumns number of columns in the matrix.
+ * @param[in] *pData points to the matrix data array.
+ * @return none
+ */
+
+ void arm_mat_init_q31(
+ arm_matrix_instance_q31 * S,
+ uint16_t nRows,
+ uint16_t nColumns,
+ q31_t * pData);
+
+ /**
+ * @brief Q15 matrix initialization.
+ * @param[in,out] *S points to an instance of the floating-point matrix structure.
+ * @param[in] nRows number of rows in the matrix.
+ * @param[in] nColumns number of columns in the matrix.
+ * @param[in] *pData points to the matrix data array.
+ * @return none
+ */
+
+ void arm_mat_init_q15(
+ arm_matrix_instance_q15 * S,
+ uint16_t nRows,
+ uint16_t nColumns,
+ q15_t * pData);
+
+ /**
+ * @brief Floating-point matrix initialization.
+ * @param[in,out] *S points to an instance of the floating-point matrix structure.
+ * @param[in] nRows number of rows in the matrix.
+ * @param[in] nColumns number of columns in the matrix.
+ * @param[in] *pData points to the matrix data array.
+ * @return none
+ */
+
+ void arm_mat_init_f32(
+ arm_matrix_instance_f32 * S,
+ uint16_t nRows,
+ uint16_t nColumns,
+ float32_t * pData);
+
+
+
+ /**
+ * @brief Instance structure for the Q15 PID Control.
+ */
+ typedef struct
+ {
+ q15_t A0; /**< The derived gain, A0 = Kp + Ki + Kd . */
+#ifdef ARM_MATH_CM0_FAMILY
+ q15_t A1;
+ q15_t A2;
+#else
+ q31_t A1; /**< The derived gain A1 = -Kp - 2Kd | Kd.*/
+#endif
+ q15_t state[3]; /**< The state array of length 3. */
+ q15_t Kp; /**< The proportional gain. */
+ q15_t Ki; /**< The integral gain. */
+ q15_t Kd; /**< The derivative gain. */
+ } arm_pid_instance_q15;
+
+ /**
+ * @brief Instance structure for the Q31 PID Control.
+ */
+ typedef struct
+ {
+ q31_t A0; /**< The derived gain, A0 = Kp + Ki + Kd . */
+ q31_t A1; /**< The derived gain, A1 = -Kp - 2Kd. */
+ q31_t A2; /**< The derived gain, A2 = Kd . */
+ q31_t state[3]; /**< The state array of length 3. */
+ q31_t Kp; /**< The proportional gain. */
+ q31_t Ki; /**< The integral gain. */
+ q31_t Kd; /**< The derivative gain. */
+
+ } arm_pid_instance_q31;
+
+ /**
+ * @brief Instance structure for the floating-point PID Control.
+ */
+ typedef struct
+ {
+ float32_t A0; /**< The derived gain, A0 = Kp + Ki + Kd . */
+ float32_t A1; /**< The derived gain, A1 = -Kp - 2Kd. */
+ float32_t A2; /**< The derived gain, A2 = Kd . */
+ float32_t state[3]; /**< The state array of length 3. */
+ float32_t Kp; /**< The proportional gain. */
+ float32_t Ki; /**< The integral gain. */
+ float32_t Kd; /**< The derivative gain. */
+ } arm_pid_instance_f32;
+
+
+
+ /**
+ * @brief Initialization function for the floating-point PID Control.
+ * @param[in,out] *S points to an instance of the PID structure.
+ * @param[in] resetStateFlag flag to reset the state. 0 = no change in state 1 = reset the state.
+ * @return none.
+ */
+ void arm_pid_init_f32(
+ arm_pid_instance_f32 * S,
+ int32_t resetStateFlag);
+
+ /**
+ * @brief Reset function for the floating-point PID Control.
+ * @param[in,out] *S is an instance of the floating-point PID Control structure
+ * @return none
+ */
+ void arm_pid_reset_f32(
+ arm_pid_instance_f32 * S);
+
+
+ /**
+ * @brief Initialization function for the Q31 PID Control.
+ * @param[in,out] *S points to an instance of the Q15 PID structure.
+ * @param[in] resetStateFlag flag to reset the state. 0 = no change in state 1 = reset the state.
+ * @return none.
+ */
+ void arm_pid_init_q31(
+ arm_pid_instance_q31 * S,
+ int32_t resetStateFlag);
+
+
+ /**
+ * @brief Reset function for the Q31 PID Control.
+ * @param[in,out] *S points to an instance of the Q31 PID Control structure
+ * @return none
+ */
+
+ void arm_pid_reset_q31(
+ arm_pid_instance_q31 * S);
+
+ /**
+ * @brief Initialization function for the Q15 PID Control.
+ * @param[in,out] *S points to an instance of the Q15 PID structure.
+ * @param[in] resetStateFlag flag to reset the state. 0 = no change in state 1 = reset the state.
+ * @return none.
+ */
+ void arm_pid_init_q15(
+ arm_pid_instance_q15 * S,
+ int32_t resetStateFlag);
+
+ /**
+ * @brief Reset function for the Q15 PID Control.
+ * @param[in,out] *S points to an instance of the q15 PID Control structure
+ * @return none
+ */
+ void arm_pid_reset_q15(
+ arm_pid_instance_q15 * S);
+
+
+ /**
+ * @brief Instance structure for the floating-point Linear Interpolate function.
+ */
+ typedef struct
+ {
+ uint32_t nValues; /**< nValues */
+ float32_t x1; /**< x1 */
+ float32_t xSpacing; /**< xSpacing */
+ float32_t *pYData; /**< pointer to the table of Y values */
+ } arm_linear_interp_instance_f32;
+
+ /**
+ * @brief Instance structure for the floating-point bilinear interpolation function.
+ */
+
+ typedef struct
+ {
+ uint16_t numRows; /**< number of rows in the data table. */
+ uint16_t numCols; /**< number of columns in the data table. */
+ float32_t *pData; /**< points to the data table. */
+ } arm_bilinear_interp_instance_f32;
+
+ /**
+ * @brief Instance structure for the Q31 bilinear interpolation function.
+ */
+
+ typedef struct
+ {
+ uint16_t numRows; /**< number of rows in the data table. */
+ uint16_t numCols; /**< number of columns in the data table. */
+ q31_t *pData; /**< points to the data table. */
+ } arm_bilinear_interp_instance_q31;
+
+ /**
+ * @brief Instance structure for the Q15 bilinear interpolation function.
+ */
+
+ typedef struct
+ {
+ uint16_t numRows; /**< number of rows in the data table. */
+ uint16_t numCols; /**< number of columns in the data table. */
+ q15_t *pData; /**< points to the data table. */
+ } arm_bilinear_interp_instance_q15;
+
+ /**
+ * @brief Instance structure for the Q15 bilinear interpolation function.
+ */
+
+ typedef struct
+ {
+ uint16_t numRows; /**< number of rows in the data table. */
+ uint16_t numCols; /**< number of columns in the data table. */
+ q7_t *pData; /**< points to the data table. */
+ } arm_bilinear_interp_instance_q7;
+
+
+ /**
+ * @brief Q7 vector multiplication.
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in each vector
+ * @return none.
+ */
+
+ void arm_mult_q7(
+ q7_t * pSrcA,
+ q7_t * pSrcB,
+ q7_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Q15 vector multiplication.
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in each vector
+ * @return none.
+ */
+
+ void arm_mult_q15(
+ q15_t * pSrcA,
+ q15_t * pSrcB,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Q31 vector multiplication.
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in each vector
+ * @return none.
+ */
+
+ void arm_mult_q31(
+ q31_t * pSrcA,
+ q31_t * pSrcB,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Floating-point vector multiplication.
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in each vector
+ * @return none.
+ */
+
+ void arm_mult_f32(
+ float32_t * pSrcA,
+ float32_t * pSrcB,
+ float32_t * pDst,
+ uint32_t blockSize);
+
+
+
+
+
+
+ /**
+ * @brief Instance structure for the Q15 CFFT/CIFFT function.
+ */
+
+ typedef struct
+ {
+ uint16_t fftLen; /**< length of the FFT. */
+ uint8_t ifftFlag; /**< flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. */
+ uint8_t bitReverseFlag; /**< flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. */
+ q15_t *pTwiddle; /**< points to the Sin twiddle factor table. */
+ uint16_t *pBitRevTable; /**< points to the bit reversal table. */
+ uint16_t twidCoefModifier; /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */
+ uint16_t bitRevFactor; /**< bit reversal modifier that supports different size FFTs with the same bit reversal table. */
+ } arm_cfft_radix2_instance_q15;
+
+ arm_status arm_cfft_radix2_init_q15(
+ arm_cfft_radix2_instance_q15 * S,
+ uint16_t fftLen,
+ uint8_t ifftFlag,
+ uint8_t bitReverseFlag);
+
+ void arm_cfft_radix2_q15(
+ const arm_cfft_radix2_instance_q15 * S,
+ q15_t * pSrc);
+
+
+
+ /**
+ * @brief Instance structure for the Q15 CFFT/CIFFT function.
+ */
+
+ typedef struct
+ {
+ uint16_t fftLen; /**< length of the FFT. */
+ uint8_t ifftFlag; /**< flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. */
+ uint8_t bitReverseFlag; /**< flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. */
+ q15_t *pTwiddle; /**< points to the twiddle factor table. */
+ uint16_t *pBitRevTable; /**< points to the bit reversal table. */
+ uint16_t twidCoefModifier; /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */
+ uint16_t bitRevFactor; /**< bit reversal modifier that supports different size FFTs with the same bit reversal table. */
+ } arm_cfft_radix4_instance_q15;
+
+ arm_status arm_cfft_radix4_init_q15(
+ arm_cfft_radix4_instance_q15 * S,
+ uint16_t fftLen,
+ uint8_t ifftFlag,
+ uint8_t bitReverseFlag);
+
+ void arm_cfft_radix4_q15(
+ const arm_cfft_radix4_instance_q15 * S,
+ q15_t * pSrc);
+
+ /**
+ * @brief Instance structure for the Radix-2 Q31 CFFT/CIFFT function.
+ */
+
+ typedef struct
+ {
+ uint16_t fftLen; /**< length of the FFT. */
+ uint8_t ifftFlag; /**< flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. */
+ uint8_t bitReverseFlag; /**< flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. */
+ q31_t *pTwiddle; /**< points to the Twiddle factor table. */
+ uint16_t *pBitRevTable; /**< points to the bit reversal table. */
+ uint16_t twidCoefModifier; /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */
+ uint16_t bitRevFactor; /**< bit reversal modifier that supports different size FFTs with the same bit reversal table. */
+ } arm_cfft_radix2_instance_q31;
+
+ arm_status arm_cfft_radix2_init_q31(
+ arm_cfft_radix2_instance_q31 * S,
+ uint16_t fftLen,
+ uint8_t ifftFlag,
+ uint8_t bitReverseFlag);
+
+ void arm_cfft_radix2_q31(
+ const arm_cfft_radix2_instance_q31 * S,
+ q31_t * pSrc);
+
+ /**
+ * @brief Instance structure for the Q31 CFFT/CIFFT function.
+ */
+
+ typedef struct
+ {
+ uint16_t fftLen; /**< length of the FFT. */
+ uint8_t ifftFlag; /**< flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. */
+ uint8_t bitReverseFlag; /**< flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. */
+ q31_t *pTwiddle; /**< points to the twiddle factor table. */
+ uint16_t *pBitRevTable; /**< points to the bit reversal table. */
+ uint16_t twidCoefModifier; /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */
+ uint16_t bitRevFactor; /**< bit reversal modifier that supports different size FFTs with the same bit reversal table. */
+ } arm_cfft_radix4_instance_q31;
+
+
+ void arm_cfft_radix4_q31(
+ const arm_cfft_radix4_instance_q31 * S,
+ q31_t * pSrc);
+
+ arm_status arm_cfft_radix4_init_q31(
+ arm_cfft_radix4_instance_q31 * S,
+ uint16_t fftLen,
+ uint8_t ifftFlag,
+ uint8_t bitReverseFlag);
+
+ /**
+ * @brief Instance structure for the floating-point CFFT/CIFFT function.
+ */
+
+ typedef struct
+ {
+ uint16_t fftLen; /**< length of the FFT. */
+ uint8_t ifftFlag; /**< flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. */
+ uint8_t bitReverseFlag; /**< flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. */
+ float32_t *pTwiddle; /**< points to the Twiddle factor table. */
+ uint16_t *pBitRevTable; /**< points to the bit reversal table. */
+ uint16_t twidCoefModifier; /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */
+ uint16_t bitRevFactor; /**< bit reversal modifier that supports different size FFTs with the same bit reversal table. */
+ float32_t onebyfftLen; /**< value of 1/fftLen. */
+ } arm_cfft_radix2_instance_f32;
+
+/* Deprecated */
+ arm_status arm_cfft_radix2_init_f32(
+ arm_cfft_radix2_instance_f32 * S,
+ uint16_t fftLen,
+ uint8_t ifftFlag,
+ uint8_t bitReverseFlag);
+
+/* Deprecated */
+ void arm_cfft_radix2_f32(
+ const arm_cfft_radix2_instance_f32 * S,
+ float32_t * pSrc);
+
+ /**
+ * @brief Instance structure for the floating-point CFFT/CIFFT function.
+ */
+
+ typedef struct
+ {
+ uint16_t fftLen; /**< length of the FFT. */
+ uint8_t ifftFlag; /**< flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. */
+ uint8_t bitReverseFlag; /**< flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. */
+ float32_t *pTwiddle; /**< points to the Twiddle factor table. */
+ uint16_t *pBitRevTable; /**< points to the bit reversal table. */
+ uint16_t twidCoefModifier; /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */
+ uint16_t bitRevFactor; /**< bit reversal modifier that supports different size FFTs with the same bit reversal table. */
+ float32_t onebyfftLen; /**< value of 1/fftLen. */
+ } arm_cfft_radix4_instance_f32;
+
+/* Deprecated */
+ arm_status arm_cfft_radix4_init_f32(
+ arm_cfft_radix4_instance_f32 * S,
+ uint16_t fftLen,
+ uint8_t ifftFlag,
+ uint8_t bitReverseFlag);
+
+/* Deprecated */
+ void arm_cfft_radix4_f32(
+ const arm_cfft_radix4_instance_f32 * S,
+ float32_t * pSrc);
+
+ /**
+ * @brief Instance structure for the floating-point CFFT/CIFFT function.
+ */
+
+ typedef struct
+ {
+ uint16_t fftLen; /**< length of the FFT. */
+ const float32_t *pTwiddle; /**< points to the Twiddle factor table. */
+ const uint16_t *pBitRevTable; /**< points to the bit reversal table. */
+ uint16_t bitRevLength; /**< bit reversal table length. */
+ } arm_cfft_instance_f32;
+
+ void arm_cfft_f32(
+ const arm_cfft_instance_f32 * S,
+ float32_t * p1,
+ uint8_t ifftFlag,
+ uint8_t bitReverseFlag);
+
+ /**
+ * @brief Instance structure for the Q15 RFFT/RIFFT function.
+ */
+
+ typedef struct
+ {
+ uint32_t fftLenReal; /**< length of the real FFT. */
+ uint32_t fftLenBy2; /**< length of the complex FFT. */
+ uint8_t ifftFlagR; /**< flag that selects forward (ifftFlagR=0) or inverse (ifftFlagR=1) transform. */
+ uint8_t bitReverseFlagR; /**< flag that enables (bitReverseFlagR=1) or disables (bitReverseFlagR=0) bit reversal of output. */
+ uint32_t twidCoefRModifier; /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */
+ q15_t *pTwiddleAReal; /**< points to the real twiddle factor table. */
+ q15_t *pTwiddleBReal; /**< points to the imag twiddle factor table. */
+ arm_cfft_radix4_instance_q15 *pCfft; /**< points to the complex FFT instance. */
+ } arm_rfft_instance_q15;
+
+ arm_status arm_rfft_init_q15(
+ arm_rfft_instance_q15 * S,
+ arm_cfft_radix4_instance_q15 * S_CFFT,
+ uint32_t fftLenReal,
+ uint32_t ifftFlagR,
+ uint32_t bitReverseFlag);
+
+ void arm_rfft_q15(
+ const arm_rfft_instance_q15 * S,
+ q15_t * pSrc,
+ q15_t * pDst);
+
+ /**
+ * @brief Instance structure for the Q31 RFFT/RIFFT function.
+ */
+
+ typedef struct
+ {
+ uint32_t fftLenReal; /**< length of the real FFT. */
+ uint32_t fftLenBy2; /**< length of the complex FFT. */
+ uint8_t ifftFlagR; /**< flag that selects forward (ifftFlagR=0) or inverse (ifftFlagR=1) transform. */
+ uint8_t bitReverseFlagR; /**< flag that enables (bitReverseFlagR=1) or disables (bitReverseFlagR=0) bit reversal of output. */
+ uint32_t twidCoefRModifier; /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */
+ q31_t *pTwiddleAReal; /**< points to the real twiddle factor table. */
+ q31_t *pTwiddleBReal; /**< points to the imag twiddle factor table. */
+ arm_cfft_radix4_instance_q31 *pCfft; /**< points to the complex FFT instance. */
+ } arm_rfft_instance_q31;
+
+ arm_status arm_rfft_init_q31(
+ arm_rfft_instance_q31 * S,
+ arm_cfft_radix4_instance_q31 * S_CFFT,
+ uint32_t fftLenReal,
+ uint32_t ifftFlagR,
+ uint32_t bitReverseFlag);
+
+ void arm_rfft_q31(
+ const arm_rfft_instance_q31 * S,
+ q31_t * pSrc,
+ q31_t * pDst);
+
+ /**
+ * @brief Instance structure for the floating-point RFFT/RIFFT function.
+ */
+
+ typedef struct
+ {
+ uint32_t fftLenReal; /**< length of the real FFT. */
+ uint16_t fftLenBy2; /**< length of the complex FFT. */
+ uint8_t ifftFlagR; /**< flag that selects forward (ifftFlagR=0) or inverse (ifftFlagR=1) transform. */
+ uint8_t bitReverseFlagR; /**< flag that enables (bitReverseFlagR=1) or disables (bitReverseFlagR=0) bit reversal of output. */
+ uint32_t twidCoefRModifier; /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */
+ float32_t *pTwiddleAReal; /**< points to the real twiddle factor table. */
+ float32_t *pTwiddleBReal; /**< points to the imag twiddle factor table. */
+ arm_cfft_radix4_instance_f32 *pCfft; /**< points to the complex FFT instance. */
+ } arm_rfft_instance_f32;
+
+ arm_status arm_rfft_init_f32(
+ arm_rfft_instance_f32 * S,
+ arm_cfft_radix4_instance_f32 * S_CFFT,
+ uint32_t fftLenReal,
+ uint32_t ifftFlagR,
+ uint32_t bitReverseFlag);
+
+ void arm_rfft_f32(
+ const arm_rfft_instance_f32 * S,
+ float32_t * pSrc,
+ float32_t * pDst);
+
+ /**
+ * @brief Instance structure for the floating-point RFFT/RIFFT function.
+ */
+
+typedef struct
+ {
+ arm_cfft_instance_f32 Sint; /**< Internal CFFT structure. */
+ uint16_t fftLenRFFT; /**< length of the real sequence */
+ float32_t * pTwiddleRFFT; /**< Twiddle factors real stage */
+ } arm_rfft_fast_instance_f32 ;
+
+arm_status arm_rfft_fast_init_f32 (
+ arm_rfft_fast_instance_f32 * S,
+ uint16_t fftLen);
+
+void arm_rfft_fast_f32(
+ arm_rfft_fast_instance_f32 * S,
+ float32_t * p, float32_t * pOut,
+ uint8_t ifftFlag);
+
+ /**
+ * @brief Instance structure for the floating-point DCT4/IDCT4 function.
+ */
+
+ typedef struct
+ {
+ uint16_t N; /**< length of the DCT4. */
+ uint16_t Nby2; /**< half of the length of the DCT4. */
+ float32_t normalize; /**< normalizing factor. */
+ float32_t *pTwiddle; /**< points to the twiddle factor table. */
+ float32_t *pCosFactor; /**< points to the cosFactor table. */
+ arm_rfft_instance_f32 *pRfft; /**< points to the real FFT instance. */
+ arm_cfft_radix4_instance_f32 *pCfft; /**< points to the complex FFT instance. */
+ } arm_dct4_instance_f32;
+
+ /**
+ * @brief Initialization function for the floating-point DCT4/IDCT4.
+ * @param[in,out] *S points to an instance of floating-point DCT4/IDCT4 structure.
+ * @param[in] *S_RFFT points to an instance of floating-point RFFT/RIFFT structure.
+ * @param[in] *S_CFFT points to an instance of floating-point CFFT/CIFFT structure.
+ * @param[in] N length of the DCT4.
+ * @param[in] Nby2 half of the length of the DCT4.
+ * @param[in] normalize normalizing factor.
+ * @return arm_status function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_ARGUMENT_ERROR if fftLenReal is not a supported transform length.
+ */
+
+ arm_status arm_dct4_init_f32(
+ arm_dct4_instance_f32 * S,
+ arm_rfft_instance_f32 * S_RFFT,
+ arm_cfft_radix4_instance_f32 * S_CFFT,
+ uint16_t N,
+ uint16_t Nby2,
+ float32_t normalize);
+
+ /**
+ * @brief Processing function for the floating-point DCT4/IDCT4.
+ * @param[in] *S points to an instance of the floating-point DCT4/IDCT4 structure.
+ * @param[in] *pState points to state buffer.
+ * @param[in,out] *pInlineBuffer points to the in-place input and output buffer.
+ * @return none.
+ */
+
+ void arm_dct4_f32(
+ const arm_dct4_instance_f32 * S,
+ float32_t * pState,
+ float32_t * pInlineBuffer);
+
+ /**
+ * @brief Instance structure for the Q31 DCT4/IDCT4 function.
+ */
+
+ typedef struct
+ {
+ uint16_t N; /**< length of the DCT4. */
+ uint16_t Nby2; /**< half of the length of the DCT4. */
+ q31_t normalize; /**< normalizing factor. */
+ q31_t *pTwiddle; /**< points to the twiddle factor table. */
+ q31_t *pCosFactor; /**< points to the cosFactor table. */
+ arm_rfft_instance_q31 *pRfft; /**< points to the real FFT instance. */
+ arm_cfft_radix4_instance_q31 *pCfft; /**< points to the complex FFT instance. */
+ } arm_dct4_instance_q31;
+
+ /**
+ * @brief Initialization function for the Q31 DCT4/IDCT4.
+ * @param[in,out] *S points to an instance of Q31 DCT4/IDCT4 structure.
+ * @param[in] *S_RFFT points to an instance of Q31 RFFT/RIFFT structure
+ * @param[in] *S_CFFT points to an instance of Q31 CFFT/CIFFT structure
+ * @param[in] N length of the DCT4.
+ * @param[in] Nby2 half of the length of the DCT4.
+ * @param[in] normalize normalizing factor.
+ * @return arm_status function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_ARGUMENT_ERROR if N is not a supported transform length.
+ */
+
+ arm_status arm_dct4_init_q31(
+ arm_dct4_instance_q31 * S,
+ arm_rfft_instance_q31 * S_RFFT,
+ arm_cfft_radix4_instance_q31 * S_CFFT,
+ uint16_t N,
+ uint16_t Nby2,
+ q31_t normalize);
+
+ /**
+ * @brief Processing function for the Q31 DCT4/IDCT4.
+ * @param[in] *S points to an instance of the Q31 DCT4 structure.
+ * @param[in] *pState points to state buffer.
+ * @param[in,out] *pInlineBuffer points to the in-place input and output buffer.
+ * @return none.
+ */
+
+ void arm_dct4_q31(
+ const arm_dct4_instance_q31 * S,
+ q31_t * pState,
+ q31_t * pInlineBuffer);
+
+ /**
+ * @brief Instance structure for the Q15 DCT4/IDCT4 function.
+ */
+
+ typedef struct
+ {
+ uint16_t N; /**< length of the DCT4. */
+ uint16_t Nby2; /**< half of the length of the DCT4. */
+ q15_t normalize; /**< normalizing factor. */
+ q15_t *pTwiddle; /**< points to the twiddle factor table. */
+ q15_t *pCosFactor; /**< points to the cosFactor table. */
+ arm_rfft_instance_q15 *pRfft; /**< points to the real FFT instance. */
+ arm_cfft_radix4_instance_q15 *pCfft; /**< points to the complex FFT instance. */
+ } arm_dct4_instance_q15;
+
+ /**
+ * @brief Initialization function for the Q15 DCT4/IDCT4.
+ * @param[in,out] *S points to an instance of Q15 DCT4/IDCT4 structure.
+ * @param[in] *S_RFFT points to an instance of Q15 RFFT/RIFFT structure.
+ * @param[in] *S_CFFT points to an instance of Q15 CFFT/CIFFT structure.
+ * @param[in] N length of the DCT4.
+ * @param[in] Nby2 half of the length of the DCT4.
+ * @param[in] normalize normalizing factor.
+ * @return arm_status function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_ARGUMENT_ERROR if N is not a supported transform length.
+ */
+
+ arm_status arm_dct4_init_q15(
+ arm_dct4_instance_q15 * S,
+ arm_rfft_instance_q15 * S_RFFT,
+ arm_cfft_radix4_instance_q15 * S_CFFT,
+ uint16_t N,
+ uint16_t Nby2,
+ q15_t normalize);
+
+ /**
+ * @brief Processing function for the Q15 DCT4/IDCT4.
+ * @param[in] *S points to an instance of the Q15 DCT4 structure.
+ * @param[in] *pState points to state buffer.
+ * @param[in,out] *pInlineBuffer points to the in-place input and output buffer.
+ * @return none.
+ */
+
+ void arm_dct4_q15(
+ const arm_dct4_instance_q15 * S,
+ q15_t * pState,
+ q15_t * pInlineBuffer);
+
+ /**
+ * @brief Floating-point vector addition.
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in each vector
+ * @return none.
+ */
+
+ void arm_add_f32(
+ float32_t * pSrcA,
+ float32_t * pSrcB,
+ float32_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Q7 vector addition.
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in each vector
+ * @return none.
+ */
+
+ void arm_add_q7(
+ q7_t * pSrcA,
+ q7_t * pSrcB,
+ q7_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Q15 vector addition.
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in each vector
+ * @return none.
+ */
+
+ void arm_add_q15(
+ q15_t * pSrcA,
+ q15_t * pSrcB,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Q31 vector addition.
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in each vector
+ * @return none.
+ */
+
+ void arm_add_q31(
+ q31_t * pSrcA,
+ q31_t * pSrcB,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Floating-point vector subtraction.
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in each vector
+ * @return none.
+ */
+
+ void arm_sub_f32(
+ float32_t * pSrcA,
+ float32_t * pSrcB,
+ float32_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Q7 vector subtraction.
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in each vector
+ * @return none.
+ */
+
+ void arm_sub_q7(
+ q7_t * pSrcA,
+ q7_t * pSrcB,
+ q7_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Q15 vector subtraction.
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in each vector
+ * @return none.
+ */
+
+ void arm_sub_q15(
+ q15_t * pSrcA,
+ q15_t * pSrcB,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Q31 vector subtraction.
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in each vector
+ * @return none.
+ */
+
+ void arm_sub_q31(
+ q31_t * pSrcA,
+ q31_t * pSrcB,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Multiplies a floating-point vector by a scalar.
+ * @param[in] *pSrc points to the input vector
+ * @param[in] scale scale factor to be applied
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in the vector
+ * @return none.
+ */
+
+ void arm_scale_f32(
+ float32_t * pSrc,
+ float32_t scale,
+ float32_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Multiplies a Q7 vector by a scalar.
+ * @param[in] *pSrc points to the input vector
+ * @param[in] scaleFract fractional portion of the scale value
+ * @param[in] shift number of bits to shift the result by
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in the vector
+ * @return none.
+ */
+
+ void arm_scale_q7(
+ q7_t * pSrc,
+ q7_t scaleFract,
+ int8_t shift,
+ q7_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Multiplies a Q15 vector by a scalar.
+ * @param[in] *pSrc points to the input vector
+ * @param[in] scaleFract fractional portion of the scale value
+ * @param[in] shift number of bits to shift the result by
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in the vector
+ * @return none.
+ */
+
+ void arm_scale_q15(
+ q15_t * pSrc,
+ q15_t scaleFract,
+ int8_t shift,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Multiplies a Q31 vector by a scalar.
+ * @param[in] *pSrc points to the input vector
+ * @param[in] scaleFract fractional portion of the scale value
+ * @param[in] shift number of bits to shift the result by
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in the vector
+ * @return none.
+ */
+
+ void arm_scale_q31(
+ q31_t * pSrc,
+ q31_t scaleFract,
+ int8_t shift,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Q7 vector absolute value.
+ * @param[in] *pSrc points to the input buffer
+ * @param[out] *pDst points to the output buffer
+ * @param[in] blockSize number of samples in each vector
+ * @return none.
+ */
+
+ void arm_abs_q7(
+ q7_t * pSrc,
+ q7_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Floating-point vector absolute value.
+ * @param[in] *pSrc points to the input buffer
+ * @param[out] *pDst points to the output buffer
+ * @param[in] blockSize number of samples in each vector
+ * @return none.
+ */
+
+ void arm_abs_f32(
+ float32_t * pSrc,
+ float32_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Q15 vector absolute value.
+ * @param[in] *pSrc points to the input buffer
+ * @param[out] *pDst points to the output buffer
+ * @param[in] blockSize number of samples in each vector
+ * @return none.
+ */
+
+ void arm_abs_q15(
+ q15_t * pSrc,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Q31 vector absolute value.
+ * @param[in] *pSrc points to the input buffer
+ * @param[out] *pDst points to the output buffer
+ * @param[in] blockSize number of samples in each vector
+ * @return none.
+ */
+
+ void arm_abs_q31(
+ q31_t * pSrc,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Dot product of floating-point vectors.
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[in] blockSize number of samples in each vector
+ * @param[out] *result output result returned here
+ * @return none.
+ */
+
+ void arm_dot_prod_f32(
+ float32_t * pSrcA,
+ float32_t * pSrcB,
+ uint32_t blockSize,
+ float32_t * result);
+
+ /**
+ * @brief Dot product of Q7 vectors.
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[in] blockSize number of samples in each vector
+ * @param[out] *result output result returned here
+ * @return none.
+ */
+
+ void arm_dot_prod_q7(
+ q7_t * pSrcA,
+ q7_t * pSrcB,
+ uint32_t blockSize,
+ q31_t * result);
+
+ /**
+ * @brief Dot product of Q15 vectors.
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[in] blockSize number of samples in each vector
+ * @param[out] *result output result returned here
+ * @return none.
+ */
+
+ void arm_dot_prod_q15(
+ q15_t * pSrcA,
+ q15_t * pSrcB,
+ uint32_t blockSize,
+ q63_t * result);
+
+ /**
+ * @brief Dot product of Q31 vectors.
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[in] blockSize number of samples in each vector
+ * @param[out] *result output result returned here
+ * @return none.
+ */
+
+ void arm_dot_prod_q31(
+ q31_t * pSrcA,
+ q31_t * pSrcB,
+ uint32_t blockSize,
+ q63_t * result);
+
+ /**
+ * @brief Shifts the elements of a Q7 vector a specified number of bits.
+ * @param[in] *pSrc points to the input vector
+ * @param[in] shiftBits number of bits to shift. A positive value shifts left; a negative value shifts right.
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in the vector
+ * @return none.
+ */
+
+ void arm_shift_q7(
+ q7_t * pSrc,
+ int8_t shiftBits,
+ q7_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Shifts the elements of a Q15 vector a specified number of bits.
+ * @param[in] *pSrc points to the input vector
+ * @param[in] shiftBits number of bits to shift. A positive value shifts left; a negative value shifts right.
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in the vector
+ * @return none.
+ */
+
+ void arm_shift_q15(
+ q15_t * pSrc,
+ int8_t shiftBits,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Shifts the elements of a Q31 vector a specified number of bits.
+ * @param[in] *pSrc points to the input vector
+ * @param[in] shiftBits number of bits to shift. A positive value shifts left; a negative value shifts right.
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in the vector
+ * @return none.
+ */
+
+ void arm_shift_q31(
+ q31_t * pSrc,
+ int8_t shiftBits,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Adds a constant offset to a floating-point vector.
+ * @param[in] *pSrc points to the input vector
+ * @param[in] offset is the offset to be added
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in the vector
+ * @return none.
+ */
+
+ void arm_offset_f32(
+ float32_t * pSrc,
+ float32_t offset,
+ float32_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Adds a constant offset to a Q7 vector.
+ * @param[in] *pSrc points to the input vector
+ * @param[in] offset is the offset to be added
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in the vector
+ * @return none.
+ */
+
+ void arm_offset_q7(
+ q7_t * pSrc,
+ q7_t offset,
+ q7_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Adds a constant offset to a Q15 vector.
+ * @param[in] *pSrc points to the input vector
+ * @param[in] offset is the offset to be added
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in the vector
+ * @return none.
+ */
+
+ void arm_offset_q15(
+ q15_t * pSrc,
+ q15_t offset,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Adds a constant offset to a Q31 vector.
+ * @param[in] *pSrc points to the input vector
+ * @param[in] offset is the offset to be added
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in the vector
+ * @return none.
+ */
+
+ void arm_offset_q31(
+ q31_t * pSrc,
+ q31_t offset,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Negates the elements of a floating-point vector.
+ * @param[in] *pSrc points to the input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in the vector
+ * @return none.
+ */
+
+ void arm_negate_f32(
+ float32_t * pSrc,
+ float32_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Negates the elements of a Q7 vector.
+ * @param[in] *pSrc points to the input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in the vector
+ * @return none.
+ */
+
+ void arm_negate_q7(
+ q7_t * pSrc,
+ q7_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Negates the elements of a Q15 vector.
+ * @param[in] *pSrc points to the input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in the vector
+ * @return none.
+ */
+
+ void arm_negate_q15(
+ q15_t * pSrc,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Negates the elements of a Q31 vector.
+ * @param[in] *pSrc points to the input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] blockSize number of samples in the vector
+ * @return none.
+ */
+
+ void arm_negate_q31(
+ q31_t * pSrc,
+ q31_t * pDst,
+ uint32_t blockSize);
+ /**
+ * @brief Copies the elements of a floating-point vector.
+ * @param[in] *pSrc input pointer
+ * @param[out] *pDst output pointer
+ * @param[in] blockSize number of samples to process
+ * @return none.
+ */
+ void arm_copy_f32(
+ float32_t * pSrc,
+ float32_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Copies the elements of a Q7 vector.
+ * @param[in] *pSrc input pointer
+ * @param[out] *pDst output pointer
+ * @param[in] blockSize number of samples to process
+ * @return none.
+ */
+ void arm_copy_q7(
+ q7_t * pSrc,
+ q7_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Copies the elements of a Q15 vector.
+ * @param[in] *pSrc input pointer
+ * @param[out] *pDst output pointer
+ * @param[in] blockSize number of samples to process
+ * @return none.
+ */
+ void arm_copy_q15(
+ q15_t * pSrc,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Copies the elements of a Q31 vector.
+ * @param[in] *pSrc input pointer
+ * @param[out] *pDst output pointer
+ * @param[in] blockSize number of samples to process
+ * @return none.
+ */
+ void arm_copy_q31(
+ q31_t * pSrc,
+ q31_t * pDst,
+ uint32_t blockSize);
+ /**
+ * @brief Fills a constant value into a floating-point vector.
+ * @param[in] value input value to be filled
+ * @param[out] *pDst output pointer
+ * @param[in] blockSize number of samples to process
+ * @return none.
+ */
+ void arm_fill_f32(
+ float32_t value,
+ float32_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Fills a constant value into a Q7 vector.
+ * @param[in] value input value to be filled
+ * @param[out] *pDst output pointer
+ * @param[in] blockSize number of samples to process
+ * @return none.
+ */
+ void arm_fill_q7(
+ q7_t value,
+ q7_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Fills a constant value into a Q15 vector.
+ * @param[in] value input value to be filled
+ * @param[out] *pDst output pointer
+ * @param[in] blockSize number of samples to process
+ * @return none.
+ */
+ void arm_fill_q15(
+ q15_t value,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Fills a constant value into a Q31 vector.
+ * @param[in] value input value to be filled
+ * @param[out] *pDst output pointer
+ * @param[in] blockSize number of samples to process
+ * @return none.
+ */
+ void arm_fill_q31(
+ q31_t value,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+/**
+ * @brief Convolution of floating-point sequences.
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the location where the output result is written. Length srcALen+srcBLen-1.
+ * @return none.
+ */
+
+ void arm_conv_f32(
+ float32_t * pSrcA,
+ uint32_t srcALen,
+ float32_t * pSrcB,
+ uint32_t srcBLen,
+ float32_t * pDst);
+
+
+ /**
+ * @brief Convolution of Q15 sequences.
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data Length srcALen+srcBLen-1.
+ * @param[in] *pScratch1 points to scratch buffer of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.
+ * @param[in] *pScratch2 points to scratch buffer of size min(srcALen, srcBLen).
+ * @return none.
+ */
+
+
+ void arm_conv_opt_q15(
+ q15_t * pSrcA,
+ uint32_t srcALen,
+ q15_t * pSrcB,
+ uint32_t srcBLen,
+ q15_t * pDst,
+ q15_t * pScratch1,
+ q15_t * pScratch2);
+
+
+/**
+ * @brief Convolution of Q15 sequences.
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the location where the output result is written. Length srcALen+srcBLen-1.
+ * @return none.
+ */
+
+ void arm_conv_q15(
+ q15_t * pSrcA,
+ uint32_t srcALen,
+ q15_t * pSrcB,
+ uint32_t srcBLen,
+ q15_t * pDst);
+
+ /**
+ * @brief Convolution of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data Length srcALen+srcBLen-1.
+ * @return none.
+ */
+
+ void arm_conv_fast_q15(
+ q15_t * pSrcA,
+ uint32_t srcALen,
+ q15_t * pSrcB,
+ uint32_t srcBLen,
+ q15_t * pDst);
+
+ /**
+ * @brief Convolution of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data Length srcALen+srcBLen-1.
+ * @param[in] *pScratch1 points to scratch buffer of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.
+ * @param[in] *pScratch2 points to scratch buffer of size min(srcALen, srcBLen).
+ * @return none.
+ */
+
+ void arm_conv_fast_opt_q15(
+ q15_t * pSrcA,
+ uint32_t srcALen,
+ q15_t * pSrcB,
+ uint32_t srcBLen,
+ q15_t * pDst,
+ q15_t * pScratch1,
+ q15_t * pScratch2);
+
+
+
+ /**
+ * @brief Convolution of Q31 sequences.
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data Length srcALen+srcBLen-1.
+ * @return none.
+ */
+
+ void arm_conv_q31(
+ q31_t * pSrcA,
+ uint32_t srcALen,
+ q31_t * pSrcB,
+ uint32_t srcBLen,
+ q31_t * pDst);
+
+ /**
+ * @brief Convolution of Q31 sequences (fast version) for Cortex-M3 and Cortex-M4
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data Length srcALen+srcBLen-1.
+ * @return none.
+ */
+
+ void arm_conv_fast_q31(
+ q31_t * pSrcA,
+ uint32_t srcALen,
+ q31_t * pSrcB,
+ uint32_t srcBLen,
+ q31_t * pDst);
+
+
+ /**
+ * @brief Convolution of Q7 sequences.
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data Length srcALen+srcBLen-1.
+ * @param[in] *pScratch1 points to scratch buffer(of type q15_t) of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.
+ * @param[in] *pScratch2 points to scratch buffer (of type q15_t) of size min(srcALen, srcBLen).
+ * @return none.
+ */
+
+ void arm_conv_opt_q7(
+ q7_t * pSrcA,
+ uint32_t srcALen,
+ q7_t * pSrcB,
+ uint32_t srcBLen,
+ q7_t * pDst,
+ q15_t * pScratch1,
+ q15_t * pScratch2);
+
+
+
+ /**
+ * @brief Convolution of Q7 sequences.
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data Length srcALen+srcBLen-1.
+ * @return none.
+ */
+
+ void arm_conv_q7(
+ q7_t * pSrcA,
+ uint32_t srcALen,
+ q7_t * pSrcB,
+ uint32_t srcBLen,
+ q7_t * pDst);
+
+
+ /**
+ * @brief Partial convolution of floating-point sequences.
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] firstIndex is the first output sample to start with.
+ * @param[in] numPoints is the number of output points to be computed.
+ * @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
+ */
+
+ arm_status arm_conv_partial_f32(
+ float32_t * pSrcA,
+ uint32_t srcALen,
+ float32_t * pSrcB,
+ uint32_t srcBLen,
+ float32_t * pDst,
+ uint32_t firstIndex,
+ uint32_t numPoints);
+
+ /**
+ * @brief Partial convolution of Q15 sequences.
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] firstIndex is the first output sample to start with.
+ * @param[in] numPoints is the number of output points to be computed.
+ * @param[in] * pScratch1 points to scratch buffer of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.
+ * @param[in] * pScratch2 points to scratch buffer of size min(srcALen, srcBLen).
+ * @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
+ */
+
+ arm_status arm_conv_partial_opt_q15(
+ q15_t * pSrcA,
+ uint32_t srcALen,
+ q15_t * pSrcB,
+ uint32_t srcBLen,
+ q15_t * pDst,
+ uint32_t firstIndex,
+ uint32_t numPoints,
+ q15_t * pScratch1,
+ q15_t * pScratch2);
+
+
+/**
+ * @brief Partial convolution of Q15 sequences.
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] firstIndex is the first output sample to start with.
+ * @param[in] numPoints is the number of output points to be computed.
+ * @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
+ */
+
+ arm_status arm_conv_partial_q15(
+ q15_t * pSrcA,
+ uint32_t srcALen,
+ q15_t * pSrcB,
+ uint32_t srcBLen,
+ q15_t * pDst,
+ uint32_t firstIndex,
+ uint32_t numPoints);
+
+ /**
+ * @brief Partial convolution of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] firstIndex is the first output sample to start with.
+ * @param[in] numPoints is the number of output points to be computed.
+ * @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
+ */
+
+ arm_status arm_conv_partial_fast_q15(
+ q15_t * pSrcA,
+ uint32_t srcALen,
+ q15_t * pSrcB,
+ uint32_t srcBLen,
+ q15_t * pDst,
+ uint32_t firstIndex,
+ uint32_t numPoints);
+
+
+ /**
+ * @brief Partial convolution of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] firstIndex is the first output sample to start with.
+ * @param[in] numPoints is the number of output points to be computed.
+ * @param[in] * pScratch1 points to scratch buffer of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.
+ * @param[in] * pScratch2 points to scratch buffer of size min(srcALen, srcBLen).
+ * @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
+ */
+
+ arm_status arm_conv_partial_fast_opt_q15(
+ q15_t * pSrcA,
+ uint32_t srcALen,
+ q15_t * pSrcB,
+ uint32_t srcBLen,
+ q15_t * pDst,
+ uint32_t firstIndex,
+ uint32_t numPoints,
+ q15_t * pScratch1,
+ q15_t * pScratch2);
+
+
+ /**
+ * @brief Partial convolution of Q31 sequences.
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] firstIndex is the first output sample to start with.
+ * @param[in] numPoints is the number of output points to be computed.
+ * @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
+ */
+
+ arm_status arm_conv_partial_q31(
+ q31_t * pSrcA,
+ uint32_t srcALen,
+ q31_t * pSrcB,
+ uint32_t srcBLen,
+ q31_t * pDst,
+ uint32_t firstIndex,
+ uint32_t numPoints);
+
+
+ /**
+ * @brief Partial convolution of Q31 sequences (fast version) for Cortex-M3 and Cortex-M4
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] firstIndex is the first output sample to start with.
+ * @param[in] numPoints is the number of output points to be computed.
+ * @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
+ */
+
+ arm_status arm_conv_partial_fast_q31(
+ q31_t * pSrcA,
+ uint32_t srcALen,
+ q31_t * pSrcB,
+ uint32_t srcBLen,
+ q31_t * pDst,
+ uint32_t firstIndex,
+ uint32_t numPoints);
+
+
+ /**
+ * @brief Partial convolution of Q7 sequences
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] firstIndex is the first output sample to start with.
+ * @param[in] numPoints is the number of output points to be computed.
+ * @param[in] *pScratch1 points to scratch buffer(of type q15_t) of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.
+ * @param[in] *pScratch2 points to scratch buffer (of type q15_t) of size min(srcALen, srcBLen).
+ * @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
+ */
+
+ arm_status arm_conv_partial_opt_q7(
+ q7_t * pSrcA,
+ uint32_t srcALen,
+ q7_t * pSrcB,
+ uint32_t srcBLen,
+ q7_t * pDst,
+ uint32_t firstIndex,
+ uint32_t numPoints,
+ q15_t * pScratch1,
+ q15_t * pScratch2);
+
+
+/**
+ * @brief Partial convolution of Q7 sequences.
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] firstIndex is the first output sample to start with.
+ * @param[in] numPoints is the number of output points to be computed.
+ * @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
+ */
+
+ arm_status arm_conv_partial_q7(
+ q7_t * pSrcA,
+ uint32_t srcALen,
+ q7_t * pSrcB,
+ uint32_t srcBLen,
+ q7_t * pDst,
+ uint32_t firstIndex,
+ uint32_t numPoints);
+
+
+
+ /**
+ * @brief Instance structure for the Q15 FIR decimator.
+ */
+
+ typedef struct
+ {
+ uint8_t M; /**< decimation factor. */
+ uint16_t numTaps; /**< number of coefficients in the filter. */
+ q15_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps.*/
+ q15_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
+ } arm_fir_decimate_instance_q15;
+
+ /**
+ * @brief Instance structure for the Q31 FIR decimator.
+ */
+
+ typedef struct
+ {
+ uint8_t M; /**< decimation factor. */
+ uint16_t numTaps; /**< number of coefficients in the filter. */
+ q31_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps.*/
+ q31_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
+
+ } arm_fir_decimate_instance_q31;
+
+ /**
+ * @brief Instance structure for the floating-point FIR decimator.
+ */
+
+ typedef struct
+ {
+ uint8_t M; /**< decimation factor. */
+ uint16_t numTaps; /**< number of coefficients in the filter. */
+ float32_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps.*/
+ float32_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
+
+ } arm_fir_decimate_instance_f32;
+
+
+
+ /**
+ * @brief Processing function for the floating-point FIR decimator.
+ * @param[in] *S points to an instance of the floating-point FIR decimator structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] blockSize number of input samples to process per call.
+ * @return none
+ */
+
+ void arm_fir_decimate_f32(
+ const arm_fir_decimate_instance_f32 * S,
+ float32_t * pSrc,
+ float32_t * pDst,
+ uint32_t blockSize);
+
+
+ /**
+ * @brief Initialization function for the floating-point FIR decimator.
+ * @param[in,out] *S points to an instance of the floating-point FIR decimator structure.
+ * @param[in] numTaps number of coefficients in the filter.
+ * @param[in] M decimation factor.
+ * @param[in] *pCoeffs points to the filter coefficients.
+ * @param[in] *pState points to the state buffer.
+ * @param[in] blockSize number of input samples to process per call.
+ * @return The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_LENGTH_ERROR if
+ * blockSize is not a multiple of M.
+ */
+
+ arm_status arm_fir_decimate_init_f32(
+ arm_fir_decimate_instance_f32 * S,
+ uint16_t numTaps,
+ uint8_t M,
+ float32_t * pCoeffs,
+ float32_t * pState,
+ uint32_t blockSize);
+
+ /**
+ * @brief Processing function for the Q15 FIR decimator.
+ * @param[in] *S points to an instance of the Q15 FIR decimator structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] blockSize number of input samples to process per call.
+ * @return none
+ */
+
+ void arm_fir_decimate_q15(
+ const arm_fir_decimate_instance_q15 * S,
+ q15_t * pSrc,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Processing function for the Q15 FIR decimator (fast variant) for Cortex-M3 and Cortex-M4.
+ * @param[in] *S points to an instance of the Q15 FIR decimator structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] blockSize number of input samples to process per call.
+ * @return none
+ */
+
+ void arm_fir_decimate_fast_q15(
+ const arm_fir_decimate_instance_q15 * S,
+ q15_t * pSrc,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+
+
+ /**
+ * @brief Initialization function for the Q15 FIR decimator.
+ * @param[in,out] *S points to an instance of the Q15 FIR decimator structure.
+ * @param[in] numTaps number of coefficients in the filter.
+ * @param[in] M decimation factor.
+ * @param[in] *pCoeffs points to the filter coefficients.
+ * @param[in] *pState points to the state buffer.
+ * @param[in] blockSize number of input samples to process per call.
+ * @return The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_LENGTH_ERROR if
+ * blockSize is not a multiple of M.
+ */
+
+ arm_status arm_fir_decimate_init_q15(
+ arm_fir_decimate_instance_q15 * S,
+ uint16_t numTaps,
+ uint8_t M,
+ q15_t * pCoeffs,
+ q15_t * pState,
+ uint32_t blockSize);
+
+ /**
+ * @brief Processing function for the Q31 FIR decimator.
+ * @param[in] *S points to an instance of the Q31 FIR decimator structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] blockSize number of input samples to process per call.
+ * @return none
+ */
+
+ void arm_fir_decimate_q31(
+ const arm_fir_decimate_instance_q31 * S,
+ q31_t * pSrc,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Processing function for the Q31 FIR decimator (fast variant) for Cortex-M3 and Cortex-M4.
+ * @param[in] *S points to an instance of the Q31 FIR decimator structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] blockSize number of input samples to process per call.
+ * @return none
+ */
+
+ void arm_fir_decimate_fast_q31(
+ arm_fir_decimate_instance_q31 * S,
+ q31_t * pSrc,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+
+ /**
+ * @brief Initialization function for the Q31 FIR decimator.
+ * @param[in,out] *S points to an instance of the Q31 FIR decimator structure.
+ * @param[in] numTaps number of coefficients in the filter.
+ * @param[in] M decimation factor.
+ * @param[in] *pCoeffs points to the filter coefficients.
+ * @param[in] *pState points to the state buffer.
+ * @param[in] blockSize number of input samples to process per call.
+ * @return The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_LENGTH_ERROR if
+ * blockSize is not a multiple of M.
+ */
+
+ arm_status arm_fir_decimate_init_q31(
+ arm_fir_decimate_instance_q31 * S,
+ uint16_t numTaps,
+ uint8_t M,
+ q31_t * pCoeffs,
+ q31_t * pState,
+ uint32_t blockSize);
+
+
+
+ /**
+ * @brief Instance structure for the Q15 FIR interpolator.
+ */
+
+ typedef struct
+ {
+ uint8_t L; /**< upsample factor. */
+ uint16_t phaseLength; /**< length of each polyphase filter component. */
+ q15_t *pCoeffs; /**< points to the coefficient array. The array is of length L*phaseLength. */
+ q15_t *pState; /**< points to the state variable array. The array is of length blockSize+phaseLength-1. */
+ } arm_fir_interpolate_instance_q15;
+
+ /**
+ * @brief Instance structure for the Q31 FIR interpolator.
+ */
+
+ typedef struct
+ {
+ uint8_t L; /**< upsample factor. */
+ uint16_t phaseLength; /**< length of each polyphase filter component. */
+ q31_t *pCoeffs; /**< points to the coefficient array. The array is of length L*phaseLength. */
+ q31_t *pState; /**< points to the state variable array. The array is of length blockSize+phaseLength-1. */
+ } arm_fir_interpolate_instance_q31;
+
+ /**
+ * @brief Instance structure for the floating-point FIR interpolator.
+ */
+
+ typedef struct
+ {
+ uint8_t L; /**< upsample factor. */
+ uint16_t phaseLength; /**< length of each polyphase filter component. */
+ float32_t *pCoeffs; /**< points to the coefficient array. The array is of length L*phaseLength. */
+ float32_t *pState; /**< points to the state variable array. The array is of length phaseLength+numTaps-1. */
+ } arm_fir_interpolate_instance_f32;
+
+
+ /**
+ * @brief Processing function for the Q15 FIR interpolator.
+ * @param[in] *S points to an instance of the Q15 FIR interpolator structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data.
+ * @param[in] blockSize number of input samples to process per call.
+ * @return none.
+ */
+
+ void arm_fir_interpolate_q15(
+ const arm_fir_interpolate_instance_q15 * S,
+ q15_t * pSrc,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+
+ /**
+ * @brief Initialization function for the Q15 FIR interpolator.
+ * @param[in,out] *S points to an instance of the Q15 FIR interpolator structure.
+ * @param[in] L upsample factor.
+ * @param[in] numTaps number of filter coefficients in the filter.
+ * @param[in] *pCoeffs points to the filter coefficient buffer.
+ * @param[in] *pState points to the state buffer.
+ * @param[in] blockSize number of input samples to process per call.
+ * @return The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_LENGTH_ERROR if
+ * the filter length numTaps is not a multiple of the interpolation factor L.
+ */
+
+ arm_status arm_fir_interpolate_init_q15(
+ arm_fir_interpolate_instance_q15 * S,
+ uint8_t L,
+ uint16_t numTaps,
+ q15_t * pCoeffs,
+ q15_t * pState,
+ uint32_t blockSize);
+
+ /**
+ * @brief Processing function for the Q31 FIR interpolator.
+ * @param[in] *S points to an instance of the Q15 FIR interpolator structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data.
+ * @param[in] blockSize number of input samples to process per call.
+ * @return none.
+ */
+
+ void arm_fir_interpolate_q31(
+ const arm_fir_interpolate_instance_q31 * S,
+ q31_t * pSrc,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Initialization function for the Q31 FIR interpolator.
+ * @param[in,out] *S points to an instance of the Q31 FIR interpolator structure.
+ * @param[in] L upsample factor.
+ * @param[in] numTaps number of filter coefficients in the filter.
+ * @param[in] *pCoeffs points to the filter coefficient buffer.
+ * @param[in] *pState points to the state buffer.
+ * @param[in] blockSize number of input samples to process per call.
+ * @return The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_LENGTH_ERROR if
+ * the filter length numTaps is not a multiple of the interpolation factor L.
+ */
+
+ arm_status arm_fir_interpolate_init_q31(
+ arm_fir_interpolate_instance_q31 * S,
+ uint8_t L,
+ uint16_t numTaps,
+ q31_t * pCoeffs,
+ q31_t * pState,
+ uint32_t blockSize);
+
+
+ /**
+ * @brief Processing function for the floating-point FIR interpolator.
+ * @param[in] *S points to an instance of the floating-point FIR interpolator structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data.
+ * @param[in] blockSize number of input samples to process per call.
+ * @return none.
+ */
+
+ void arm_fir_interpolate_f32(
+ const arm_fir_interpolate_instance_f32 * S,
+ float32_t * pSrc,
+ float32_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Initialization function for the floating-point FIR interpolator.
+ * @param[in,out] *S points to an instance of the floating-point FIR interpolator structure.
+ * @param[in] L upsample factor.
+ * @param[in] numTaps number of filter coefficients in the filter.
+ * @param[in] *pCoeffs points to the filter coefficient buffer.
+ * @param[in] *pState points to the state buffer.
+ * @param[in] blockSize number of input samples to process per call.
+ * @return The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_LENGTH_ERROR if
+ * the filter length numTaps is not a multiple of the interpolation factor L.
+ */
+
+ arm_status arm_fir_interpolate_init_f32(
+ arm_fir_interpolate_instance_f32 * S,
+ uint8_t L,
+ uint16_t numTaps,
+ float32_t * pCoeffs,
+ float32_t * pState,
+ uint32_t blockSize);
+
+ /**
+ * @brief Instance structure for the high precision Q31 Biquad cascade filter.
+ */
+
+ typedef struct
+ {
+ uint8_t numStages; /**< number of 2nd order stages in the filter. Overall order is 2*numStages. */
+ q63_t *pState; /**< points to the array of state coefficients. The array is of length 4*numStages. */
+ q31_t *pCoeffs; /**< points to the array of coefficients. The array is of length 5*numStages. */
+ uint8_t postShift; /**< additional shift, in bits, applied to each output sample. */
+
+ } arm_biquad_cas_df1_32x64_ins_q31;
+
+
+ /**
+ * @param[in] *S points to an instance of the high precision Q31 Biquad cascade filter structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_biquad_cas_df1_32x64_q31(
+ const arm_biquad_cas_df1_32x64_ins_q31 * S,
+ q31_t * pSrc,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+
+ /**
+ * @param[in,out] *S points to an instance of the high precision Q31 Biquad cascade filter structure.
+ * @param[in] numStages number of 2nd order stages in the filter.
+ * @param[in] *pCoeffs points to the filter coefficients.
+ * @param[in] *pState points to the state buffer.
+ * @param[in] postShift shift to be applied to the output. Varies according to the coefficients format
+ * @return none
+ */
+
+ void arm_biquad_cas_df1_32x64_init_q31(
+ arm_biquad_cas_df1_32x64_ins_q31 * S,
+ uint8_t numStages,
+ q31_t * pCoeffs,
+ q63_t * pState,
+ uint8_t postShift);
+
+
+
+ /**
+ * @brief Instance structure for the floating-point transposed direct form II Biquad cascade filter.
+ */
+
+ typedef struct
+ {
+ uint8_t numStages; /**< number of 2nd order stages in the filter. Overall order is 2*numStages. */
+ float32_t *pState; /**< points to the array of state coefficients. The array is of length 2*numStages. */
+ float32_t *pCoeffs; /**< points to the array of coefficients. The array is of length 5*numStages. */
+ } arm_biquad_cascade_df2T_instance_f32;
+
+
+ /**
+ * @brief Processing function for the floating-point transposed direct form II Biquad cascade filter.
+ * @param[in] *S points to an instance of the filter data structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_biquad_cascade_df2T_f32(
+ const arm_biquad_cascade_df2T_instance_f32 * S,
+ float32_t * pSrc,
+ float32_t * pDst,
+ uint32_t blockSize);
+
+
+ /**
+ * @brief Initialization function for the floating-point transposed direct form II Biquad cascade filter.
+ * @param[in,out] *S points to an instance of the filter data structure.
+ * @param[in] numStages number of 2nd order stages in the filter.
+ * @param[in] *pCoeffs points to the filter coefficients.
+ * @param[in] *pState points to the state buffer.
+ * @return none
+ */
+
+ void arm_biquad_cascade_df2T_init_f32(
+ arm_biquad_cascade_df2T_instance_f32 * S,
+ uint8_t numStages,
+ float32_t * pCoeffs,
+ float32_t * pState);
+
+
+
+ /**
+ * @brief Instance structure for the Q15 FIR lattice filter.
+ */
+
+ typedef struct
+ {
+ uint16_t numStages; /**< number of filter stages. */
+ q15_t *pState; /**< points to the state variable array. The array is of length numStages. */
+ q15_t *pCoeffs; /**< points to the coefficient array. The array is of length numStages. */
+ } arm_fir_lattice_instance_q15;
+
+ /**
+ * @brief Instance structure for the Q31 FIR lattice filter.
+ */
+
+ typedef struct
+ {
+ uint16_t numStages; /**< number of filter stages. */
+ q31_t *pState; /**< points to the state variable array. The array is of length numStages. */
+ q31_t *pCoeffs; /**< points to the coefficient array. The array is of length numStages. */
+ } arm_fir_lattice_instance_q31;
+
+ /**
+ * @brief Instance structure for the floating-point FIR lattice filter.
+ */
+
+ typedef struct
+ {
+ uint16_t numStages; /**< number of filter stages. */
+ float32_t *pState; /**< points to the state variable array. The array is of length numStages. */
+ float32_t *pCoeffs; /**< points to the coefficient array. The array is of length numStages. */
+ } arm_fir_lattice_instance_f32;
+
+ /**
+ * @brief Initialization function for the Q15 FIR lattice filter.
+ * @param[in] *S points to an instance of the Q15 FIR lattice structure.
+ * @param[in] numStages number of filter stages.
+ * @param[in] *pCoeffs points to the coefficient buffer. The array is of length numStages.
+ * @param[in] *pState points to the state buffer. The array is of length numStages.
+ * @return none.
+ */
+
+ void arm_fir_lattice_init_q15(
+ arm_fir_lattice_instance_q15 * S,
+ uint16_t numStages,
+ q15_t * pCoeffs,
+ q15_t * pState);
+
+
+ /**
+ * @brief Processing function for the Q15 FIR lattice filter.
+ * @param[in] *S points to an instance of the Q15 FIR lattice structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+ void arm_fir_lattice_q15(
+ const arm_fir_lattice_instance_q15 * S,
+ q15_t * pSrc,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Initialization function for the Q31 FIR lattice filter.
+ * @param[in] *S points to an instance of the Q31 FIR lattice structure.
+ * @param[in] numStages number of filter stages.
+ * @param[in] *pCoeffs points to the coefficient buffer. The array is of length numStages.
+ * @param[in] *pState points to the state buffer. The array is of length numStages.
+ * @return none.
+ */
+
+ void arm_fir_lattice_init_q31(
+ arm_fir_lattice_instance_q31 * S,
+ uint16_t numStages,
+ q31_t * pCoeffs,
+ q31_t * pState);
+
+
+ /**
+ * @brief Processing function for the Q31 FIR lattice filter.
+ * @param[in] *S points to an instance of the Q31 FIR lattice structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_fir_lattice_q31(
+ const arm_fir_lattice_instance_q31 * S,
+ q31_t * pSrc,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+/**
+ * @brief Initialization function for the floating-point FIR lattice filter.
+ * @param[in] *S points to an instance of the floating-point FIR lattice structure.
+ * @param[in] numStages number of filter stages.
+ * @param[in] *pCoeffs points to the coefficient buffer. The array is of length numStages.
+ * @param[in] *pState points to the state buffer. The array is of length numStages.
+ * @return none.
+ */
+
+ void arm_fir_lattice_init_f32(
+ arm_fir_lattice_instance_f32 * S,
+ uint16_t numStages,
+ float32_t * pCoeffs,
+ float32_t * pState);
+
+ /**
+ * @brief Processing function for the floating-point FIR lattice filter.
+ * @param[in] *S points to an instance of the floating-point FIR lattice structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_fir_lattice_f32(
+ const arm_fir_lattice_instance_f32 * S,
+ float32_t * pSrc,
+ float32_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Instance structure for the Q15 IIR lattice filter.
+ */
+ typedef struct
+ {
+ uint16_t numStages; /**< number of stages in the filter. */
+ q15_t *pState; /**< points to the state variable array. The array is of length numStages+blockSize. */
+ q15_t *pkCoeffs; /**< points to the reflection coefficient array. The array is of length numStages. */
+ q15_t *pvCoeffs; /**< points to the ladder coefficient array. The array is of length numStages+1. */
+ } arm_iir_lattice_instance_q15;
+
+ /**
+ * @brief Instance structure for the Q31 IIR lattice filter.
+ */
+ typedef struct
+ {
+ uint16_t numStages; /**< number of stages in the filter. */
+ q31_t *pState; /**< points to the state variable array. The array is of length numStages+blockSize. */
+ q31_t *pkCoeffs; /**< points to the reflection coefficient array. The array is of length numStages. */
+ q31_t *pvCoeffs; /**< points to the ladder coefficient array. The array is of length numStages+1. */
+ } arm_iir_lattice_instance_q31;
+
+ /**
+ * @brief Instance structure for the floating-point IIR lattice filter.
+ */
+ typedef struct
+ {
+ uint16_t numStages; /**< number of stages in the filter. */
+ float32_t *pState; /**< points to the state variable array. The array is of length numStages+blockSize. */
+ float32_t *pkCoeffs; /**< points to the reflection coefficient array. The array is of length numStages. */
+ float32_t *pvCoeffs; /**< points to the ladder coefficient array. The array is of length numStages+1. */
+ } arm_iir_lattice_instance_f32;
+
+ /**
+ * @brief Processing function for the floating-point IIR lattice filter.
+ * @param[in] *S points to an instance of the floating-point IIR lattice structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_iir_lattice_f32(
+ const arm_iir_lattice_instance_f32 * S,
+ float32_t * pSrc,
+ float32_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Initialization function for the floating-point IIR lattice filter.
+ * @param[in] *S points to an instance of the floating-point IIR lattice structure.
+ * @param[in] numStages number of stages in the filter.
+ * @param[in] *pkCoeffs points to the reflection coefficient buffer. The array is of length numStages.
+ * @param[in] *pvCoeffs points to the ladder coefficient buffer. The array is of length numStages+1.
+ * @param[in] *pState points to the state buffer. The array is of length numStages+blockSize-1.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_iir_lattice_init_f32(
+ arm_iir_lattice_instance_f32 * S,
+ uint16_t numStages,
+ float32_t * pkCoeffs,
+ float32_t * pvCoeffs,
+ float32_t * pState,
+ uint32_t blockSize);
+
+
+ /**
+ * @brief Processing function for the Q31 IIR lattice filter.
+ * @param[in] *S points to an instance of the Q31 IIR lattice structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_iir_lattice_q31(
+ const arm_iir_lattice_instance_q31 * S,
+ q31_t * pSrc,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+
+ /**
+ * @brief Initialization function for the Q31 IIR lattice filter.
+ * @param[in] *S points to an instance of the Q31 IIR lattice structure.
+ * @param[in] numStages number of stages in the filter.
+ * @param[in] *pkCoeffs points to the reflection coefficient buffer. The array is of length numStages.
+ * @param[in] *pvCoeffs points to the ladder coefficient buffer. The array is of length numStages+1.
+ * @param[in] *pState points to the state buffer. The array is of length numStages+blockSize.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_iir_lattice_init_q31(
+ arm_iir_lattice_instance_q31 * S,
+ uint16_t numStages,
+ q31_t * pkCoeffs,
+ q31_t * pvCoeffs,
+ q31_t * pState,
+ uint32_t blockSize);
+
+
+ /**
+ * @brief Processing function for the Q15 IIR lattice filter.
+ * @param[in] *S points to an instance of the Q15 IIR lattice structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_iir_lattice_q15(
+ const arm_iir_lattice_instance_q15 * S,
+ q15_t * pSrc,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+
+/**
+ * @brief Initialization function for the Q15 IIR lattice filter.
+ * @param[in] *S points to an instance of the fixed-point Q15 IIR lattice structure.
+ * @param[in] numStages number of stages in the filter.
+ * @param[in] *pkCoeffs points to reflection coefficient buffer. The array is of length numStages.
+ * @param[in] *pvCoeffs points to ladder coefficient buffer. The array is of length numStages+1.
+ * @param[in] *pState points to state buffer. The array is of length numStages+blockSize.
+ * @param[in] blockSize number of samples to process per call.
+ * @return none.
+ */
+
+ void arm_iir_lattice_init_q15(
+ arm_iir_lattice_instance_q15 * S,
+ uint16_t numStages,
+ q15_t * pkCoeffs,
+ q15_t * pvCoeffs,
+ q15_t * pState,
+ uint32_t blockSize);
+
+ /**
+ * @brief Instance structure for the floating-point LMS filter.
+ */
+
+ typedef struct
+ {
+ uint16_t numTaps; /**< number of coefficients in the filter. */
+ float32_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
+ float32_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps. */
+ float32_t mu; /**< step size that controls filter coefficient updates. */
+ } arm_lms_instance_f32;
+
+ /**
+ * @brief Processing function for floating-point LMS filter.
+ * @param[in] *S points to an instance of the floating-point LMS filter structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[in] *pRef points to the block of reference data.
+ * @param[out] *pOut points to the block of output data.
+ * @param[out] *pErr points to the block of error data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_lms_f32(
+ const arm_lms_instance_f32 * S,
+ float32_t * pSrc,
+ float32_t * pRef,
+ float32_t * pOut,
+ float32_t * pErr,
+ uint32_t blockSize);
+
+ /**
+ * @brief Initialization function for floating-point LMS filter.
+ * @param[in] *S points to an instance of the floating-point LMS filter structure.
+ * @param[in] numTaps number of filter coefficients.
+ * @param[in] *pCoeffs points to the coefficient buffer.
+ * @param[in] *pState points to state buffer.
+ * @param[in] mu step size that controls filter coefficient updates.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_lms_init_f32(
+ arm_lms_instance_f32 * S,
+ uint16_t numTaps,
+ float32_t * pCoeffs,
+ float32_t * pState,
+ float32_t mu,
+ uint32_t blockSize);
+
+ /**
+ * @brief Instance structure for the Q15 LMS filter.
+ */
+
+ typedef struct
+ {
+ uint16_t numTaps; /**< number of coefficients in the filter. */
+ q15_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
+ q15_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps. */
+ q15_t mu; /**< step size that controls filter coefficient updates. */
+ uint32_t postShift; /**< bit shift applied to coefficients. */
+ } arm_lms_instance_q15;
+
+
+ /**
+ * @brief Initialization function for the Q15 LMS filter.
+ * @param[in] *S points to an instance of the Q15 LMS filter structure.
+ * @param[in] numTaps number of filter coefficients.
+ * @param[in] *pCoeffs points to the coefficient buffer.
+ * @param[in] *pState points to the state buffer.
+ * @param[in] mu step size that controls filter coefficient updates.
+ * @param[in] blockSize number of samples to process.
+ * @param[in] postShift bit shift applied to coefficients.
+ * @return none.
+ */
+
+ void arm_lms_init_q15(
+ arm_lms_instance_q15 * S,
+ uint16_t numTaps,
+ q15_t * pCoeffs,
+ q15_t * pState,
+ q15_t mu,
+ uint32_t blockSize,
+ uint32_t postShift);
+
+ /**
+ * @brief Processing function for Q15 LMS filter.
+ * @param[in] *S points to an instance of the Q15 LMS filter structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[in] *pRef points to the block of reference data.
+ * @param[out] *pOut points to the block of output data.
+ * @param[out] *pErr points to the block of error data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_lms_q15(
+ const arm_lms_instance_q15 * S,
+ q15_t * pSrc,
+ q15_t * pRef,
+ q15_t * pOut,
+ q15_t * pErr,
+ uint32_t blockSize);
+
+
+ /**
+ * @brief Instance structure for the Q31 LMS filter.
+ */
+
+ typedef struct
+ {
+ uint16_t numTaps; /**< number of coefficients in the filter. */
+ q31_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
+ q31_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps. */
+ q31_t mu; /**< step size that controls filter coefficient updates. */
+ uint32_t postShift; /**< bit shift applied to coefficients. */
+
+ } arm_lms_instance_q31;
+
+ /**
+ * @brief Processing function for Q31 LMS filter.
+ * @param[in] *S points to an instance of the Q15 LMS filter structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[in] *pRef points to the block of reference data.
+ * @param[out] *pOut points to the block of output data.
+ * @param[out] *pErr points to the block of error data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_lms_q31(
+ const arm_lms_instance_q31 * S,
+ q31_t * pSrc,
+ q31_t * pRef,
+ q31_t * pOut,
+ q31_t * pErr,
+ uint32_t blockSize);
+
+ /**
+ * @brief Initialization function for Q31 LMS filter.
+ * @param[in] *S points to an instance of the Q31 LMS filter structure.
+ * @param[in] numTaps number of filter coefficients.
+ * @param[in] *pCoeffs points to coefficient buffer.
+ * @param[in] *pState points to state buffer.
+ * @param[in] mu step size that controls filter coefficient updates.
+ * @param[in] blockSize number of samples to process.
+ * @param[in] postShift bit shift applied to coefficients.
+ * @return none.
+ */
+
+ void arm_lms_init_q31(
+ arm_lms_instance_q31 * S,
+ uint16_t numTaps,
+ q31_t * pCoeffs,
+ q31_t * pState,
+ q31_t mu,
+ uint32_t blockSize,
+ uint32_t postShift);
+
+ /**
+ * @brief Instance structure for the floating-point normalized LMS filter.
+ */
+
+ typedef struct
+ {
+ uint16_t numTaps; /**< number of coefficients in the filter. */
+ float32_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
+ float32_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps. */
+ float32_t mu; /**< step size that control filter coefficient updates. */
+ float32_t energy; /**< saves previous frame energy. */
+ float32_t x0; /**< saves previous input sample. */
+ } arm_lms_norm_instance_f32;
+
+ /**
+ * @brief Processing function for floating-point normalized LMS filter.
+ * @param[in] *S points to an instance of the floating-point normalized LMS filter structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[in] *pRef points to the block of reference data.
+ * @param[out] *pOut points to the block of output data.
+ * @param[out] *pErr points to the block of error data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_lms_norm_f32(
+ arm_lms_norm_instance_f32 * S,
+ float32_t * pSrc,
+ float32_t * pRef,
+ float32_t * pOut,
+ float32_t * pErr,
+ uint32_t blockSize);
+
+ /**
+ * @brief Initialization function for floating-point normalized LMS filter.
+ * @param[in] *S points to an instance of the floating-point LMS filter structure.
+ * @param[in] numTaps number of filter coefficients.
+ * @param[in] *pCoeffs points to coefficient buffer.
+ * @param[in] *pState points to state buffer.
+ * @param[in] mu step size that controls filter coefficient updates.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_lms_norm_init_f32(
+ arm_lms_norm_instance_f32 * S,
+ uint16_t numTaps,
+ float32_t * pCoeffs,
+ float32_t * pState,
+ float32_t mu,
+ uint32_t blockSize);
+
+
+ /**
+ * @brief Instance structure for the Q31 normalized LMS filter.
+ */
+ typedef struct
+ {
+ uint16_t numTaps; /**< number of coefficients in the filter. */
+ q31_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
+ q31_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps. */
+ q31_t mu; /**< step size that controls filter coefficient updates. */
+ uint8_t postShift; /**< bit shift applied to coefficients. */
+ q31_t *recipTable; /**< points to the reciprocal initial value table. */
+ q31_t energy; /**< saves previous frame energy. */
+ q31_t x0; /**< saves previous input sample. */
+ } arm_lms_norm_instance_q31;
+
+ /**
+ * @brief Processing function for Q31 normalized LMS filter.
+ * @param[in] *S points to an instance of the Q31 normalized LMS filter structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[in] *pRef points to the block of reference data.
+ * @param[out] *pOut points to the block of output data.
+ * @param[out] *pErr points to the block of error data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_lms_norm_q31(
+ arm_lms_norm_instance_q31 * S,
+ q31_t * pSrc,
+ q31_t * pRef,
+ q31_t * pOut,
+ q31_t * pErr,
+ uint32_t blockSize);
+
+ /**
+ * @brief Initialization function for Q31 normalized LMS filter.
+ * @param[in] *S points to an instance of the Q31 normalized LMS filter structure.
+ * @param[in] numTaps number of filter coefficients.
+ * @param[in] *pCoeffs points to coefficient buffer.
+ * @param[in] *pState points to state buffer.
+ * @param[in] mu step size that controls filter coefficient updates.
+ * @param[in] blockSize number of samples to process.
+ * @param[in] postShift bit shift applied to coefficients.
+ * @return none.
+ */
+
+ void arm_lms_norm_init_q31(
+ arm_lms_norm_instance_q31 * S,
+ uint16_t numTaps,
+ q31_t * pCoeffs,
+ q31_t * pState,
+ q31_t mu,
+ uint32_t blockSize,
+ uint8_t postShift);
+
+ /**
+ * @brief Instance structure for the Q15 normalized LMS filter.
+ */
+
+ typedef struct
+ {
+ uint16_t numTaps; /**< Number of coefficients in the filter. */
+ q15_t *pState; /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
+ q15_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps. */
+ q15_t mu; /**< step size that controls filter coefficient updates. */
+ uint8_t postShift; /**< bit shift applied to coefficients. */
+ q15_t *recipTable; /**< Points to the reciprocal initial value table. */
+ q15_t energy; /**< saves previous frame energy. */
+ q15_t x0; /**< saves previous input sample. */
+ } arm_lms_norm_instance_q15;
+
+ /**
+ * @brief Processing function for Q15 normalized LMS filter.
+ * @param[in] *S points to an instance of the Q15 normalized LMS filter structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[in] *pRef points to the block of reference data.
+ * @param[out] *pOut points to the block of output data.
+ * @param[out] *pErr points to the block of error data.
+ * @param[in] blockSize number of samples to process.
+ * @return none.
+ */
+
+ void arm_lms_norm_q15(
+ arm_lms_norm_instance_q15 * S,
+ q15_t * pSrc,
+ q15_t * pRef,
+ q15_t * pOut,
+ q15_t * pErr,
+ uint32_t blockSize);
+
+
+ /**
+ * @brief Initialization function for Q15 normalized LMS filter.
+ * @param[in] *S points to an instance of the Q15 normalized LMS filter structure.
+ * @param[in] numTaps number of filter coefficients.
+ * @param[in] *pCoeffs points to coefficient buffer.
+ * @param[in] *pState points to state buffer.
+ * @param[in] mu step size that controls filter coefficient updates.
+ * @param[in] blockSize number of samples to process.
+ * @param[in] postShift bit shift applied to coefficients.
+ * @return none.
+ */
+
+ void arm_lms_norm_init_q15(
+ arm_lms_norm_instance_q15 * S,
+ uint16_t numTaps,
+ q15_t * pCoeffs,
+ q15_t * pState,
+ q15_t mu,
+ uint32_t blockSize,
+ uint8_t postShift);
+
+ /**
+ * @brief Correlation of floating-point sequences.
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data Length 2 * max(srcALen, srcBLen) - 1.
+ * @return none.
+ */
+
+ void arm_correlate_f32(
+ float32_t * pSrcA,
+ uint32_t srcALen,
+ float32_t * pSrcB,
+ uint32_t srcBLen,
+ float32_t * pDst);
+
+
+ /**
+ * @brief Correlation of Q15 sequences
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data Length 2 * max(srcALen, srcBLen) - 1.
+ * @param[in] *pScratch points to scratch buffer of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.
+ * @return none.
+ */
+ void arm_correlate_opt_q15(
+ q15_t * pSrcA,
+ uint32_t srcALen,
+ q15_t * pSrcB,
+ uint32_t srcBLen,
+ q15_t * pDst,
+ q15_t * pScratch);
+
+
+ /**
+ * @brief Correlation of Q15 sequences.
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data Length 2 * max(srcALen, srcBLen) - 1.
+ * @return none.
+ */
+
+ void arm_correlate_q15(
+ q15_t * pSrcA,
+ uint32_t srcALen,
+ q15_t * pSrcB,
+ uint32_t srcBLen,
+ q15_t * pDst);
+
+ /**
+ * @brief Correlation of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4.
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data Length 2 * max(srcALen, srcBLen) - 1.
+ * @return none.
+ */
+
+ void arm_correlate_fast_q15(
+ q15_t * pSrcA,
+ uint32_t srcALen,
+ q15_t * pSrcB,
+ uint32_t srcBLen,
+ q15_t * pDst);
+
+
+
+ /**
+ * @brief Correlation of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4.
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data Length 2 * max(srcALen, srcBLen) - 1.
+ * @param[in] *pScratch points to scratch buffer of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.
+ * @return none.
+ */
+
+ void arm_correlate_fast_opt_q15(
+ q15_t * pSrcA,
+ uint32_t srcALen,
+ q15_t * pSrcB,
+ uint32_t srcBLen,
+ q15_t * pDst,
+ q15_t * pScratch);
+
+ /**
+ * @brief Correlation of Q31 sequences.
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data Length 2 * max(srcALen, srcBLen) - 1.
+ * @return none.
+ */
+
+ void arm_correlate_q31(
+ q31_t * pSrcA,
+ uint32_t srcALen,
+ q31_t * pSrcB,
+ uint32_t srcBLen,
+ q31_t * pDst);
+
+ /**
+ * @brief Correlation of Q31 sequences (fast version) for Cortex-M3 and Cortex-M4
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data Length 2 * max(srcALen, srcBLen) - 1.
+ * @return none.
+ */
+
+ void arm_correlate_fast_q31(
+ q31_t * pSrcA,
+ uint32_t srcALen,
+ q31_t * pSrcB,
+ uint32_t srcBLen,
+ q31_t * pDst);
+
+
+
+ /**
+ * @brief Correlation of Q7 sequences.
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data Length 2 * max(srcALen, srcBLen) - 1.
+ * @param[in] *pScratch1 points to scratch buffer(of type q15_t) of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.
+ * @param[in] *pScratch2 points to scratch buffer (of type q15_t) of size min(srcALen, srcBLen).
+ * @return none.
+ */
+
+ void arm_correlate_opt_q7(
+ q7_t * pSrcA,
+ uint32_t srcALen,
+ q7_t * pSrcB,
+ uint32_t srcBLen,
+ q7_t * pDst,
+ q15_t * pScratch1,
+ q15_t * pScratch2);
+
+
+ /**
+ * @brief Correlation of Q7 sequences.
+ * @param[in] *pSrcA points to the first input sequence.
+ * @param[in] srcALen length of the first input sequence.
+ * @param[in] *pSrcB points to the second input sequence.
+ * @param[in] srcBLen length of the second input sequence.
+ * @param[out] *pDst points to the block of output data Length 2 * max(srcALen, srcBLen) - 1.
+ * @return none.
+ */
+
+ void arm_correlate_q7(
+ q7_t * pSrcA,
+ uint32_t srcALen,
+ q7_t * pSrcB,
+ uint32_t srcBLen,
+ q7_t * pDst);
+
+
+ /**
+ * @brief Instance structure for the floating-point sparse FIR filter.
+ */
+ typedef struct
+ {
+ uint16_t numTaps; /**< number of coefficients in the filter. */
+ uint16_t stateIndex; /**< state buffer index. Points to the oldest sample in the state buffer. */
+ float32_t *pState; /**< points to the state buffer array. The array is of length maxDelay+blockSize-1. */
+ float32_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps.*/
+ uint16_t maxDelay; /**< maximum offset specified by the pTapDelay array. */
+ int32_t *pTapDelay; /**< points to the array of delay values. The array is of length numTaps. */
+ } arm_fir_sparse_instance_f32;
+
+ /**
+ * @brief Instance structure for the Q31 sparse FIR filter.
+ */
+
+ typedef struct
+ {
+ uint16_t numTaps; /**< number of coefficients in the filter. */
+ uint16_t stateIndex; /**< state buffer index. Points to the oldest sample in the state buffer. */
+ q31_t *pState; /**< points to the state buffer array. The array is of length maxDelay+blockSize-1. */
+ q31_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps.*/
+ uint16_t maxDelay; /**< maximum offset specified by the pTapDelay array. */
+ int32_t *pTapDelay; /**< points to the array of delay values. The array is of length numTaps. */
+ } arm_fir_sparse_instance_q31;
+
+ /**
+ * @brief Instance structure for the Q15 sparse FIR filter.
+ */
+
+ typedef struct
+ {
+ uint16_t numTaps; /**< number of coefficients in the filter. */
+ uint16_t stateIndex; /**< state buffer index. Points to the oldest sample in the state buffer. */
+ q15_t *pState; /**< points to the state buffer array. The array is of length maxDelay+blockSize-1. */
+ q15_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps.*/
+ uint16_t maxDelay; /**< maximum offset specified by the pTapDelay array. */
+ int32_t *pTapDelay; /**< points to the array of delay values. The array is of length numTaps. */
+ } arm_fir_sparse_instance_q15;
+
+ /**
+ * @brief Instance structure for the Q7 sparse FIR filter.
+ */
+
+ typedef struct
+ {
+ uint16_t numTaps; /**< number of coefficients in the filter. */
+ uint16_t stateIndex; /**< state buffer index. Points to the oldest sample in the state buffer. */
+ q7_t *pState; /**< points to the state buffer array. The array is of length maxDelay+blockSize-1. */
+ q7_t *pCoeffs; /**< points to the coefficient array. The array is of length numTaps.*/
+ uint16_t maxDelay; /**< maximum offset specified by the pTapDelay array. */
+ int32_t *pTapDelay; /**< points to the array of delay values. The array is of length numTaps. */
+ } arm_fir_sparse_instance_q7;
+
+ /**
+ * @brief Processing function for the floating-point sparse FIR filter.
+ * @param[in] *S points to an instance of the floating-point sparse FIR structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] *pScratchIn points to a temporary buffer of size blockSize.
+ * @param[in] blockSize number of input samples to process per call.
+ * @return none.
+ */
+
+ void arm_fir_sparse_f32(
+ arm_fir_sparse_instance_f32 * S,
+ float32_t * pSrc,
+ float32_t * pDst,
+ float32_t * pScratchIn,
+ uint32_t blockSize);
+
+ /**
+ * @brief Initialization function for the floating-point sparse FIR filter.
+ * @param[in,out] *S points to an instance of the floating-point sparse FIR structure.
+ * @param[in] numTaps number of nonzero coefficients in the filter.
+ * @param[in] *pCoeffs points to the array of filter coefficients.
+ * @param[in] *pState points to the state buffer.
+ * @param[in] *pTapDelay points to the array of offset times.
+ * @param[in] maxDelay maximum offset time supported.
+ * @param[in] blockSize number of samples that will be processed per block.
+ * @return none
+ */
+
+ void arm_fir_sparse_init_f32(
+ arm_fir_sparse_instance_f32 * S,
+ uint16_t numTaps,
+ float32_t * pCoeffs,
+ float32_t * pState,
+ int32_t * pTapDelay,
+ uint16_t maxDelay,
+ uint32_t blockSize);
+
+ /**
+ * @brief Processing function for the Q31 sparse FIR filter.
+ * @param[in] *S points to an instance of the Q31 sparse FIR structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] *pScratchIn points to a temporary buffer of size blockSize.
+ * @param[in] blockSize number of input samples to process per call.
+ * @return none.
+ */
+
+ void arm_fir_sparse_q31(
+ arm_fir_sparse_instance_q31 * S,
+ q31_t * pSrc,
+ q31_t * pDst,
+ q31_t * pScratchIn,
+ uint32_t blockSize);
+
+ /**
+ * @brief Initialization function for the Q31 sparse FIR filter.
+ * @param[in,out] *S points to an instance of the Q31 sparse FIR structure.
+ * @param[in] numTaps number of nonzero coefficients in the filter.
+ * @param[in] *pCoeffs points to the array of filter coefficients.
+ * @param[in] *pState points to the state buffer.
+ * @param[in] *pTapDelay points to the array of offset times.
+ * @param[in] maxDelay maximum offset time supported.
+ * @param[in] blockSize number of samples that will be processed per block.
+ * @return none
+ */
+
+ void arm_fir_sparse_init_q31(
+ arm_fir_sparse_instance_q31 * S,
+ uint16_t numTaps,
+ q31_t * pCoeffs,
+ q31_t * pState,
+ int32_t * pTapDelay,
+ uint16_t maxDelay,
+ uint32_t blockSize);
+
+ /**
+ * @brief Processing function for the Q15 sparse FIR filter.
+ * @param[in] *S points to an instance of the Q15 sparse FIR structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] *pScratchIn points to a temporary buffer of size blockSize.
+ * @param[in] *pScratchOut points to a temporary buffer of size blockSize.
+ * @param[in] blockSize number of input samples to process per call.
+ * @return none.
+ */
+
+ void arm_fir_sparse_q15(
+ arm_fir_sparse_instance_q15 * S,
+ q15_t * pSrc,
+ q15_t * pDst,
+ q15_t * pScratchIn,
+ q31_t * pScratchOut,
+ uint32_t blockSize);
+
+
+ /**
+ * @brief Initialization function for the Q15 sparse FIR filter.
+ * @param[in,out] *S points to an instance of the Q15 sparse FIR structure.
+ * @param[in] numTaps number of nonzero coefficients in the filter.
+ * @param[in] *pCoeffs points to the array of filter coefficients.
+ * @param[in] *pState points to the state buffer.
+ * @param[in] *pTapDelay points to the array of offset times.
+ * @param[in] maxDelay maximum offset time supported.
+ * @param[in] blockSize number of samples that will be processed per block.
+ * @return none
+ */
+
+ void arm_fir_sparse_init_q15(
+ arm_fir_sparse_instance_q15 * S,
+ uint16_t numTaps,
+ q15_t * pCoeffs,
+ q15_t * pState,
+ int32_t * pTapDelay,
+ uint16_t maxDelay,
+ uint32_t blockSize);
+
+ /**
+ * @brief Processing function for the Q7 sparse FIR filter.
+ * @param[in] *S points to an instance of the Q7 sparse FIR structure.
+ * @param[in] *pSrc points to the block of input data.
+ * @param[out] *pDst points to the block of output data
+ * @param[in] *pScratchIn points to a temporary buffer of size blockSize.
+ * @param[in] *pScratchOut points to a temporary buffer of size blockSize.
+ * @param[in] blockSize number of input samples to process per call.
+ * @return none.
+ */
+
+ void arm_fir_sparse_q7(
+ arm_fir_sparse_instance_q7 * S,
+ q7_t * pSrc,
+ q7_t * pDst,
+ q7_t * pScratchIn,
+ q31_t * pScratchOut,
+ uint32_t blockSize);
+
+ /**
+ * @brief Initialization function for the Q7 sparse FIR filter.
+ * @param[in,out] *S points to an instance of the Q7 sparse FIR structure.
+ * @param[in] numTaps number of nonzero coefficients in the filter.
+ * @param[in] *pCoeffs points to the array of filter coefficients.
+ * @param[in] *pState points to the state buffer.
+ * @param[in] *pTapDelay points to the array of offset times.
+ * @param[in] maxDelay maximum offset time supported.
+ * @param[in] blockSize number of samples that will be processed per block.
+ * @return none
+ */
+
+ void arm_fir_sparse_init_q7(
+ arm_fir_sparse_instance_q7 * S,
+ uint16_t numTaps,
+ q7_t * pCoeffs,
+ q7_t * pState,
+ int32_t * pTapDelay,
+ uint16_t maxDelay,
+ uint32_t blockSize);
+
+
+ /*
+ * @brief Floating-point sin_cos function.
+ * @param[in] theta input value in degrees
+ * @param[out] *pSinVal points to the processed sine output.
+ * @param[out] *pCosVal points to the processed cos output.
+ * @return none.
+ */
+
+ void arm_sin_cos_f32(
+ float32_t theta,
+ float32_t * pSinVal,
+ float32_t * pCcosVal);
+
+ /*
+ * @brief Q31 sin_cos function.
+ * @param[in] theta scaled input value in degrees
+ * @param[out] *pSinVal points to the processed sine output.
+ * @param[out] *pCosVal points to the processed cosine output.
+ * @return none.
+ */
+
+ void arm_sin_cos_q31(
+ q31_t theta,
+ q31_t * pSinVal,
+ q31_t * pCosVal);
+
+
+ /**
+ * @brief Floating-point complex conjugate.
+ * @param[in] *pSrc points to the input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] numSamples number of complex samples in each vector
+ * @return none.
+ */
+
+ void arm_cmplx_conj_f32(
+ float32_t * pSrc,
+ float32_t * pDst,
+ uint32_t numSamples);
+
+ /**
+ * @brief Q31 complex conjugate.
+ * @param[in] *pSrc points to the input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] numSamples number of complex samples in each vector
+ * @return none.
+ */
+
+ void arm_cmplx_conj_q31(
+ q31_t * pSrc,
+ q31_t * pDst,
+ uint32_t numSamples);
+
+ /**
+ * @brief Q15 complex conjugate.
+ * @param[in] *pSrc points to the input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] numSamples number of complex samples in each vector
+ * @return none.
+ */
+
+ void arm_cmplx_conj_q15(
+ q15_t * pSrc,
+ q15_t * pDst,
+ uint32_t numSamples);
+
+
+
+ /**
+ * @brief Floating-point complex magnitude squared
+ * @param[in] *pSrc points to the complex input vector
+ * @param[out] *pDst points to the real output vector
+ * @param[in] numSamples number of complex samples in the input vector
+ * @return none.
+ */
+
+ void arm_cmplx_mag_squared_f32(
+ float32_t * pSrc,
+ float32_t * pDst,
+ uint32_t numSamples);
+
+ /**
+ * @brief Q31 complex magnitude squared
+ * @param[in] *pSrc points to the complex input vector
+ * @param[out] *pDst points to the real output vector
+ * @param[in] numSamples number of complex samples in the input vector
+ * @return none.
+ */
+
+ void arm_cmplx_mag_squared_q31(
+ q31_t * pSrc,
+ q31_t * pDst,
+ uint32_t numSamples);
+
+ /**
+ * @brief Q15 complex magnitude squared
+ * @param[in] *pSrc points to the complex input vector
+ * @param[out] *pDst points to the real output vector
+ * @param[in] numSamples number of complex samples in the input vector
+ * @return none.
+ */
+
+ void arm_cmplx_mag_squared_q15(
+ q15_t * pSrc,
+ q15_t * pDst,
+ uint32_t numSamples);
+
+
+ /**
+ * @ingroup groupController
+ */
+
+ /**
+ * @defgroup PID PID Motor Control
+ *
+ * A Proportional Integral Derivative (PID) controller is a generic feedback control
+ * loop mechanism widely used in industrial control systems.
+ * A PID controller is the most commonly used type of feedback controller.
+ *
+ * This set of functions implements (PID) controllers
+ * for Q15, Q31, and floating-point data types. The functions operate on a single sample
+ * of data and each call to the function returns a single processed value.
+ * S points to an instance of the PID control data structure. in
+ * is the input sample value. The functions return the output value.
+ *
+ * \par Algorithm:
+ * + * y[n] = y[n-1] + A0 * x[n] + A1 * x[n-1] + A2 * x[n-2] + * A0 = Kp + Ki + Kd + * A1 = (-Kp ) - (2 * Kd ) + * A2 = Kd+ * + * \par + * where \c Kp is proportional constant, \c Ki is Integral constant and \c Kd is Derivative constant + * + * \par + * \image html PID.gif "Proportional Integral Derivative Controller" + * + * \par + * The PID controller calculates an "error" value as the difference between + * the measured output and the reference input. + * The controller attempts to minimize the error by adjusting the process control inputs. + * The proportional value determines the reaction to the current error, + * the integral value determines the reaction based on the sum of recent errors, + * and the derivative value determines the reaction based on the rate at which the error has been changing. + * + * \par Instance Structure + * The Gains A0, A1, A2 and state variables for a PID controller are stored together in an instance data structure. + * A separate instance structure must be defined for each PID Controller. + * There are separate instance structure declarations for each of the 3 supported data types. + * + * \par Reset Functions + * There is also an associated reset function for each data type which clears the state array. + * + * \par Initialization Functions + * There is also an associated initialization function for each data type. + * The initialization function performs the following operations: + * - Initializes the Gains A0, A1, A2 from Kp,Ki, Kd gains. + * - Zeros out the values in the state buffer. + * + * \par + * Instance structure cannot be placed into a const data section and it is recommended to use the initialization function. + * + * \par Fixed-Point Behavior + * Care must be taken when using the fixed-point versions of the PID Controller functions. + * In particular, the overflow and saturation behavior of the accumulator used in each function must be considered. + * Refer to the function specific documentation below for usage guidelines. + */ + + /** + * @addtogroup PID + * @{ + */ + + /** + * @brief Process function for the floating-point PID Control. + * @param[in,out] *S is an instance of the floating-point PID Control structure + * @param[in] in input sample to process + * @return out processed output sample. + */ + + + static __INLINE float32_t arm_pid_f32( + arm_pid_instance_f32 * S, + float32_t in) + { + float32_t out; + + /* y[n] = y[n-1] + A0 * x[n] + A1 * x[n-1] + A2 * x[n-2] */ + out = (S->A0 * in) + + (S->A1 * S->state[0]) + (S->A2 * S->state[1]) + (S->state[2]); + + /* Update state */ + S->state[1] = S->state[0]; + S->state[0] = in; + S->state[2] = out; + + /* return to application */ + return (out); + + } + + /** + * @brief Process function for the Q31 PID Control. + * @param[in,out] *S points to an instance of the Q31 PID Control structure + * @param[in] in input sample to process + * @return out processed output sample. + * + * Scaling and Overflow Behavior: + * \par + * The function is implemented using an internal 64-bit accumulator. + * The accumulator has a 2.62 format and maintains full precision of the intermediate multiplication results but provides only a single guard bit. + * Thus, if the accumulator result overflows it wraps around rather than clip. + * In order to avoid overflows completely the input signal must be scaled down by 2 bits as there are four additions. + * After all multiply-accumulates are performed, the 2.62 accumulator is truncated to 1.32 format and then saturated to 1.31 format. + */ + + static __INLINE q31_t arm_pid_q31( + arm_pid_instance_q31 * S, + q31_t in) + { + q63_t acc; + q31_t out; + + /* acc = A0 * x[n] */ + acc = (q63_t) S->A0 * in; + + /* acc += A1 * x[n-1] */ + acc += (q63_t) S->A1 * S->state[0]; + + /* acc += A2 * x[n-2] */ + acc += (q63_t) S->A2 * S->state[1]; + + /* convert output to 1.31 format to add y[n-1] */ + out = (q31_t) (acc >> 31u); + + /* out += y[n-1] */ + out += S->state[2]; + + /* Update state */ + S->state[1] = S->state[0]; + S->state[0] = in; + S->state[2] = out; + + /* return to application */ + return (out); + + } + + /** + * @brief Process function for the Q15 PID Control. + * @param[in,out] *S points to an instance of the Q15 PID Control structure + * @param[in] in input sample to process + * @return out processed output sample. + * + * Scaling and Overflow Behavior: + * \par + * The function is implemented using a 64-bit internal accumulator. + * Both Gains and state variables are represented in 1.15 format and multiplications yield a 2.30 result. + * The 2.30 intermediate results are accumulated in a 64-bit accumulator in 34.30 format. + * There is no risk of internal overflow with this approach and the full precision of intermediate multiplications is preserved. + * After all additions have been performed, the accumulator is truncated to 34.15 format by discarding low 15 bits. + * Lastly, the accumulator is saturated to yield a result in 1.15 format. + */ + + static __INLINE q15_t arm_pid_q15( + arm_pid_instance_q15 * S, + q15_t in) + { + q63_t acc; + q15_t out; + +#ifndef ARM_MATH_CM0_FAMILY + __SIMD32_TYPE *vstate; + + /* Implementation of PID controller */ + + /* acc = A0 * x[n] */ + acc = (q31_t) __SMUAD(S->A0, in); + + /* acc += A1 * x[n-1] + A2 * x[n-2] */ + vstate = __SIMD32_CONST(S->state); + acc = __SMLALD(S->A1, (q31_t) *vstate, acc); + +#else + /* acc = A0 * x[n] */ + acc = ((q31_t) S->A0) * in; + + /* acc += A1 * x[n-1] + A2 * x[n-2] */ + acc += (q31_t) S->A1 * S->state[0]; + acc += (q31_t) S->A2 * S->state[1]; + +#endif + + /* acc += y[n-1] */ + acc += (q31_t) S->state[2] << 15; + + /* saturate the output */ + out = (q15_t) (__SSAT((acc >> 15), 16)); + + /* Update state */ + S->state[1] = S->state[0]; + S->state[0] = in; + S->state[2] = out; + + /* return to application */ + return (out); + + } + + /** + * @} end of PID group + */ + + + /** + * @brief Floating-point matrix inverse. + * @param[in] *src points to the instance of the input floating-point matrix structure. + * @param[out] *dst points to the instance of the output floating-point matrix structure. + * @return The function returns ARM_MATH_SIZE_MISMATCH, if the dimensions do not match. + * If the input matrix is singular (does not have an inverse), then the algorithm terminates and returns error status ARM_MATH_SINGULAR. + */ + + arm_status arm_mat_inverse_f32( + const arm_matrix_instance_f32 * src, + arm_matrix_instance_f32 * dst); + + + + /** + * @ingroup groupController + */ + + + /** + * @defgroup clarke Vector Clarke Transform + * Forward Clarke transform converts the instantaneous stator phases into a two-coordinate time invariant vector. + * Generally the Clarke transform uses three-phase currents
Ia, Ib and Ic to calculate currents
+ * in the two-phase orthogonal stator axis Ialpha and Ibeta.
+ * When Ialpha is superposed with Ia as shown in the figure below
+ * \image html clarke.gif Stator current space vector and its components in (a,b).
+ * and Ia + Ib + Ic = 0, in this condition Ialpha and Ibeta
+ * can be calculated using only Ia and Ib.
+ *
+ * The function operates on a single sample of data and each call to the function returns the processed output.
+ * The library provides separate functions for Q31 and floating-point data types.
+ * \par Algorithm
+ * \image html clarkeFormula.gif
+ * where Ia and Ib are the instantaneous stator phases and
+ * pIalpha and pIbeta are the two coordinates of time invariant vector.
+ * \par Fixed-Point Behavior
+ * Care must be taken when using the Q31 version of the Clarke transform.
+ * In particular, the overflow and saturation behavior of the accumulator used must be considered.
+ * Refer to the function specific documentation below for usage guidelines.
+ */
+
+ /**
+ * @addtogroup clarke
+ * @{
+ */
+
+ /**
+ *
+ * @brief Floating-point Clarke transform
+ * @param[in] Ia input three-phase coordinate a
+ * @param[in] Ib input three-phase coordinate b
+ * @param[out] *pIalpha points to output two-phase orthogonal vector axis alpha
+ * @param[out] *pIbeta points to output two-phase orthogonal vector axis beta
+ * @return none.
+ */
+
+ static __INLINE void arm_clarke_f32(
+ float32_t Ia,
+ float32_t Ib,
+ float32_t * pIalpha,
+ float32_t * pIbeta)
+ {
+ /* Calculate pIalpha using the equation, pIalpha = Ia */
+ *pIalpha = Ia;
+
+ /* Calculate pIbeta using the equation, pIbeta = (1/sqrt(3)) * Ia + (2/sqrt(3)) * Ib */
+ *pIbeta =
+ ((float32_t) 0.57735026919 * Ia + (float32_t) 1.15470053838 * Ib);
+
+ }
+
+ /**
+ * @brief Clarke transform for Q31 version
+ * @param[in] Ia input three-phase coordinate a
+ * @param[in] Ib input three-phase coordinate b
+ * @param[out] *pIalpha points to output two-phase orthogonal vector axis alpha
+ * @param[out] *pIbeta points to output two-phase orthogonal vector axis beta
+ * @return none.
+ *
+ * Scaling and Overflow Behavior:
+ * \par
+ * The function is implemented using an internal 32-bit accumulator.
+ * The accumulator maintains 1.31 format by truncating lower 31 bits of the intermediate multiplication in 2.62 format.
+ * There is saturation on the addition, hence there is no risk of overflow.
+ */
+
+ static __INLINE void arm_clarke_q31(
+ q31_t Ia,
+ q31_t Ib,
+ q31_t * pIalpha,
+ q31_t * pIbeta)
+ {
+ q31_t product1, product2; /* Temporary variables used to store intermediate results */
+
+ /* Calculating pIalpha from Ia by equation pIalpha = Ia */
+ *pIalpha = Ia;
+
+ /* Intermediate product is calculated by (1/(sqrt(3)) * Ia) */
+ product1 = (q31_t) (((q63_t) Ia * 0x24F34E8B) >> 30);
+
+ /* Intermediate product is calculated by (2/sqrt(3) * Ib) */
+ product2 = (q31_t) (((q63_t) Ib * 0x49E69D16) >> 30);
+
+ /* pIbeta is calculated by adding the intermediate products */
+ *pIbeta = __QADD(product1, product2);
+ }
+
+ /**
+ * @} end of clarke group
+ */
+
+ /**
+ * @brief Converts the elements of the Q7 vector to Q31 vector.
+ * @param[in] *pSrc input pointer
+ * @param[out] *pDst output pointer
+ * @param[in] blockSize number of samples to process
+ * @return none.
+ */
+ void arm_q7_to_q31(
+ q7_t * pSrc,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+
+
+
+ /**
+ * @ingroup groupController
+ */
+
+ /**
+ * @defgroup inv_clarke Vector Inverse Clarke Transform
+ * Inverse Clarke transform converts the two-coordinate time invariant vector into instantaneous stator phases.
+ *
+ * The function operates on a single sample of data and each call to the function returns the processed output.
+ * The library provides separate functions for Q31 and floating-point data types.
+ * \par Algorithm
+ * \image html clarkeInvFormula.gif
+ * where pIa and pIb are the instantaneous stator phases and
+ * Ialpha and Ibeta are the two coordinates of time invariant vector.
+ * \par Fixed-Point Behavior
+ * Care must be taken when using the Q31 version of the Clarke transform.
+ * In particular, the overflow and saturation behavior of the accumulator used must be considered.
+ * Refer to the function specific documentation below for usage guidelines.
+ */
+
+ /**
+ * @addtogroup inv_clarke
+ * @{
+ */
+
+ /**
+ * @brief Floating-point Inverse Clarke transform
+ * @param[in] Ialpha input two-phase orthogonal vector axis alpha
+ * @param[in] Ibeta input two-phase orthogonal vector axis beta
+ * @param[out] *pIa points to output three-phase coordinate a
+ * @param[out] *pIb points to output three-phase coordinate b
+ * @return none.
+ */
+
+
+ static __INLINE void arm_inv_clarke_f32(
+ float32_t Ialpha,
+ float32_t Ibeta,
+ float32_t * pIa,
+ float32_t * pIb)
+ {
+ /* Calculating pIa from Ialpha by equation pIa = Ialpha */
+ *pIa = Ialpha;
+
+ /* Calculating pIb from Ialpha and Ibeta by equation pIb = -(1/2) * Ialpha + (sqrt(3)/2) * Ibeta */
+ *pIb = -0.5 * Ialpha + (float32_t) 0.8660254039 *Ibeta;
+
+ }
+
+ /**
+ * @brief Inverse Clarke transform for Q31 version
+ * @param[in] Ialpha input two-phase orthogonal vector axis alpha
+ * @param[in] Ibeta input two-phase orthogonal vector axis beta
+ * @param[out] *pIa points to output three-phase coordinate a
+ * @param[out] *pIb points to output three-phase coordinate b
+ * @return none.
+ *
+ * Scaling and Overflow Behavior:
+ * \par
+ * The function is implemented using an internal 32-bit accumulator.
+ * The accumulator maintains 1.31 format by truncating lower 31 bits of the intermediate multiplication in 2.62 format.
+ * There is saturation on the subtraction, hence there is no risk of overflow.
+ */
+
+ static __INLINE void arm_inv_clarke_q31(
+ q31_t Ialpha,
+ q31_t Ibeta,
+ q31_t * pIa,
+ q31_t * pIb)
+ {
+ q31_t product1, product2; /* Temporary variables used to store intermediate results */
+
+ /* Calculating pIa from Ialpha by equation pIa = Ialpha */
+ *pIa = Ialpha;
+
+ /* Intermediate product is calculated by (1/(2*sqrt(3)) * Ia) */
+ product1 = (q31_t) (((q63_t) (Ialpha) * (0x40000000)) >> 31);
+
+ /* Intermediate product is calculated by (1/sqrt(3) * pIb) */
+ product2 = (q31_t) (((q63_t) (Ibeta) * (0x6ED9EBA1)) >> 31);
+
+ /* pIb is calculated by subtracting the products */
+ *pIb = __QSUB(product2, product1);
+
+ }
+
+ /**
+ * @} end of inv_clarke group
+ */
+
+ /**
+ * @brief Converts the elements of the Q7 vector to Q15 vector.
+ * @param[in] *pSrc input pointer
+ * @param[out] *pDst output pointer
+ * @param[in] blockSize number of samples to process
+ * @return none.
+ */
+ void arm_q7_to_q15(
+ q7_t * pSrc,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+
+
+ /**
+ * @ingroup groupController
+ */
+
+ /**
+ * @defgroup park Vector Park Transform
+ *
+ * Forward Park transform converts the input two-coordinate vector to flux and torque components.
+ * The Park transform can be used to realize the transformation of the Ialpha and the Ibeta currents
+ * from the stationary to the moving reference frame and control the spatial relationship between
+ * the stator vector current and rotor flux vector.
+ * If we consider the d axis aligned with the rotor flux, the diagram below shows the
+ * current vector and the relationship from the two reference frames:
+ * \image html park.gif "Stator current space vector and its component in (a,b) and in the d,q rotating reference frame"
+ *
+ * The function operates on a single sample of data and each call to the function returns the processed output.
+ * The library provides separate functions for Q31 and floating-point data types.
+ * \par Algorithm
+ * \image html parkFormula.gif
+ * where Ialpha and Ibeta are the stator vector components,
+ * pId and pIq are rotor vector components and cosVal and sinVal are the
+ * cosine and sine values of theta (rotor flux position).
+ * \par Fixed-Point Behavior
+ * Care must be taken when using the Q31 version of the Park transform.
+ * In particular, the overflow and saturation behavior of the accumulator used must be considered.
+ * Refer to the function specific documentation below for usage guidelines.
+ */
+
+ /**
+ * @addtogroup park
+ * @{
+ */
+
+ /**
+ * @brief Floating-point Park transform
+ * @param[in] Ialpha input two-phase vector coordinate alpha
+ * @param[in] Ibeta input two-phase vector coordinate beta
+ * @param[out] *pId points to output rotor reference frame d
+ * @param[out] *pIq points to output rotor reference frame q
+ * @param[in] sinVal sine value of rotation angle theta
+ * @param[in] cosVal cosine value of rotation angle theta
+ * @return none.
+ *
+ * The function implements the forward Park transform.
+ *
+ */
+
+ static __INLINE void arm_park_f32(
+ float32_t Ialpha,
+ float32_t Ibeta,
+ float32_t * pId,
+ float32_t * pIq,
+ float32_t sinVal,
+ float32_t cosVal)
+ {
+ /* Calculate pId using the equation, pId = Ialpha * cosVal + Ibeta * sinVal */
+ *pId = Ialpha * cosVal + Ibeta * sinVal;
+
+ /* Calculate pIq using the equation, pIq = - Ialpha * sinVal + Ibeta * cosVal */
+ *pIq = -Ialpha * sinVal + Ibeta * cosVal;
+
+ }
+
+ /**
+ * @brief Park transform for Q31 version
+ * @param[in] Ialpha input two-phase vector coordinate alpha
+ * @param[in] Ibeta input two-phase vector coordinate beta
+ * @param[out] *pId points to output rotor reference frame d
+ * @param[out] *pIq points to output rotor reference frame q
+ * @param[in] sinVal sine value of rotation angle theta
+ * @param[in] cosVal cosine value of rotation angle theta
+ * @return none.
+ *
+ * Scaling and Overflow Behavior:
+ * \par
+ * The function is implemented using an internal 32-bit accumulator.
+ * The accumulator maintains 1.31 format by truncating lower 31 bits of the intermediate multiplication in 2.62 format.
+ * There is saturation on the addition and subtraction, hence there is no risk of overflow.
+ */
+
+
+ static __INLINE void arm_park_q31(
+ q31_t Ialpha,
+ q31_t Ibeta,
+ q31_t * pId,
+ q31_t * pIq,
+ q31_t sinVal,
+ q31_t cosVal)
+ {
+ q31_t product1, product2; /* Temporary variables used to store intermediate results */
+ q31_t product3, product4; /* Temporary variables used to store intermediate results */
+
+ /* Intermediate product is calculated by (Ialpha * cosVal) */
+ product1 = (q31_t) (((q63_t) (Ialpha) * (cosVal)) >> 31);
+
+ /* Intermediate product is calculated by (Ibeta * sinVal) */
+ product2 = (q31_t) (((q63_t) (Ibeta) * (sinVal)) >> 31);
+
+
+ /* Intermediate product is calculated by (Ialpha * sinVal) */
+ product3 = (q31_t) (((q63_t) (Ialpha) * (sinVal)) >> 31);
+
+ /* Intermediate product is calculated by (Ibeta * cosVal) */
+ product4 = (q31_t) (((q63_t) (Ibeta) * (cosVal)) >> 31);
+
+ /* Calculate pId by adding the two intermediate products 1 and 2 */
+ *pId = __QADD(product1, product2);
+
+ /* Calculate pIq by subtracting the two intermediate products 3 from 4 */
+ *pIq = __QSUB(product4, product3);
+ }
+
+ /**
+ * @} end of park group
+ */
+
+ /**
+ * @brief Converts the elements of the Q7 vector to floating-point vector.
+ * @param[in] *pSrc is input pointer
+ * @param[out] *pDst is output pointer
+ * @param[in] blockSize is the number of samples to process
+ * @return none.
+ */
+ void arm_q7_to_float(
+ q7_t * pSrc,
+ float32_t * pDst,
+ uint32_t blockSize);
+
+
+ /**
+ * @ingroup groupController
+ */
+
+ /**
+ * @defgroup inv_park Vector Inverse Park transform
+ * Inverse Park transform converts the input flux and torque components to two-coordinate vector.
+ *
+ * The function operates on a single sample of data and each call to the function returns the processed output.
+ * The library provides separate functions for Q31 and floating-point data types.
+ * \par Algorithm
+ * \image html parkInvFormula.gif
+ * where pIalpha and pIbeta are the stator vector components,
+ * Id and Iq are rotor vector components and cosVal and sinVal are the
+ * cosine and sine values of theta (rotor flux position).
+ * \par Fixed-Point Behavior
+ * Care must be taken when using the Q31 version of the Park transform.
+ * In particular, the overflow and saturation behavior of the accumulator used must be considered.
+ * Refer to the function specific documentation below for usage guidelines.
+ */
+
+ /**
+ * @addtogroup inv_park
+ * @{
+ */
+
+ /**
+ * @brief Floating-point Inverse Park transform
+ * @param[in] Id input coordinate of rotor reference frame d
+ * @param[in] Iq input coordinate of rotor reference frame q
+ * @param[out] *pIalpha points to output two-phase orthogonal vector axis alpha
+ * @param[out] *pIbeta points to output two-phase orthogonal vector axis beta
+ * @param[in] sinVal sine value of rotation angle theta
+ * @param[in] cosVal cosine value of rotation angle theta
+ * @return none.
+ */
+
+ static __INLINE void arm_inv_park_f32(
+ float32_t Id,
+ float32_t Iq,
+ float32_t * pIalpha,
+ float32_t * pIbeta,
+ float32_t sinVal,
+ float32_t cosVal)
+ {
+ /* Calculate pIalpha using the equation, pIalpha = Id * cosVal - Iq * sinVal */
+ *pIalpha = Id * cosVal - Iq * sinVal;
+
+ /* Calculate pIbeta using the equation, pIbeta = Id * sinVal + Iq * cosVal */
+ *pIbeta = Id * sinVal + Iq * cosVal;
+
+ }
+
+
+ /**
+ * @brief Inverse Park transform for Q31 version
+ * @param[in] Id input coordinate of rotor reference frame d
+ * @param[in] Iq input coordinate of rotor reference frame q
+ * @param[out] *pIalpha points to output two-phase orthogonal vector axis alpha
+ * @param[out] *pIbeta points to output two-phase orthogonal vector axis beta
+ * @param[in] sinVal sine value of rotation angle theta
+ * @param[in] cosVal cosine value of rotation angle theta
+ * @return none.
+ *
+ * Scaling and Overflow Behavior:
+ * \par
+ * The function is implemented using an internal 32-bit accumulator.
+ * The accumulator maintains 1.31 format by truncating lower 31 bits of the intermediate multiplication in 2.62 format.
+ * There is saturation on the addition, hence there is no risk of overflow.
+ */
+
+
+ static __INLINE void arm_inv_park_q31(
+ q31_t Id,
+ q31_t Iq,
+ q31_t * pIalpha,
+ q31_t * pIbeta,
+ q31_t sinVal,
+ q31_t cosVal)
+ {
+ q31_t product1, product2; /* Temporary variables used to store intermediate results */
+ q31_t product3, product4; /* Temporary variables used to store intermediate results */
+
+ /* Intermediate product is calculated by (Id * cosVal) */
+ product1 = (q31_t) (((q63_t) (Id) * (cosVal)) >> 31);
+
+ /* Intermediate product is calculated by (Iq * sinVal) */
+ product2 = (q31_t) (((q63_t) (Iq) * (sinVal)) >> 31);
+
+
+ /* Intermediate product is calculated by (Id * sinVal) */
+ product3 = (q31_t) (((q63_t) (Id) * (sinVal)) >> 31);
+
+ /* Intermediate product is calculated by (Iq * cosVal) */
+ product4 = (q31_t) (((q63_t) (Iq) * (cosVal)) >> 31);
+
+ /* Calculate pIalpha by using the two intermediate products 1 and 2 */
+ *pIalpha = __QSUB(product1, product2);
+
+ /* Calculate pIbeta by using the two intermediate products 3 and 4 */
+ *pIbeta = __QADD(product4, product3);
+
+ }
+
+ /**
+ * @} end of Inverse park group
+ */
+
+
+ /**
+ * @brief Converts the elements of the Q31 vector to floating-point vector.
+ * @param[in] *pSrc is input pointer
+ * @param[out] *pDst is output pointer
+ * @param[in] blockSize is the number of samples to process
+ * @return none.
+ */
+ void arm_q31_to_float(
+ q31_t * pSrc,
+ float32_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @ingroup groupInterpolation
+ */
+
+ /**
+ * @defgroup LinearInterpolate Linear Interpolation
+ *
+ * Linear interpolation is a method of curve fitting using linear polynomials.
+ * Linear interpolation works by effectively drawing a straight line between two neighboring samples and returning the appropriate point along that line
+ *
+ * \par
+ * \image html LinearInterp.gif "Linear interpolation"
+ *
+ * \par
+ * A Linear Interpolate function calculates an output value(y), for the input(x)
+ * using linear interpolation of the input values x0, x1( nearest input values) and the output values y0 and y1(nearest output values)
+ *
+ * \par Algorithm:
+ * + * y = y0 + (x - x0) * ((y1 - y0)/(x1-x0)) + * where x0, x1 are nearest values of input x + * y0, y1 are nearest values to output y + *+ * + * \par + * This set of functions implements Linear interpolation process + * for Q7, Q15, Q31, and floating-point data types. The functions operate on a single + * sample of data and each call to the function returns a single processed value. + *
S points to an instance of the Linear Interpolate function data structure.
+ * x is the input sample value. The functions returns the output value.
+ *
+ * \par
+ * if x is outside of the table boundary, Linear interpolation returns first value of the table
+ * if x is below input range and returns last value of table if x is above range.
+ */
+
+ /**
+ * @addtogroup LinearInterpolate
+ * @{
+ */
+
+ /**
+ * @brief Process function for the floating-point Linear Interpolation Function.
+ * @param[in,out] *S is an instance of the floating-point Linear Interpolation structure
+ * @param[in] x input sample to process
+ * @return y processed output sample.
+ *
+ */
+
+ static __INLINE float32_t arm_linear_interp_f32(
+ arm_linear_interp_instance_f32 * S,
+ float32_t x)
+ {
+
+ float32_t y;
+ float32_t x0, x1; /* Nearest input values */
+ float32_t y0, y1; /* Nearest output values */
+ float32_t xSpacing = S->xSpacing; /* spacing between input values */
+ int32_t i; /* Index variable */
+ float32_t *pYData = S->pYData; /* pointer to output table */
+
+ /* Calculation of index */
+ i = (int32_t) ((x - S->x1) / xSpacing);
+
+ if(i < 0)
+ {
+ /* Iniatilize output for below specified range as least output value of table */
+ y = pYData[0];
+ }
+ else if((uint32_t)i >= S->nValues)
+ {
+ /* Iniatilize output for above specified range as last output value of table */
+ y = pYData[S->nValues - 1];
+ }
+ else
+ {
+ /* Calculation of nearest input values */
+ x0 = S->x1 + i * xSpacing;
+ x1 = S->x1 + (i + 1) * xSpacing;
+
+ /* Read of nearest output values */
+ y0 = pYData[i];
+ y1 = pYData[i + 1];
+
+ /* Calculation of output */
+ y = y0 + (x - x0) * ((y1 - y0) / (x1 - x0));
+
+ }
+
+ /* returns output value */
+ return (y);
+ }
+
+ /**
+ *
+ * @brief Process function for the Q31 Linear Interpolation Function.
+ * @param[in] *pYData pointer to Q31 Linear Interpolation table
+ * @param[in] x input sample to process
+ * @param[in] nValues number of table values
+ * @return y processed output sample.
+ *
+ * \par
+ * Input sample x is in 12.20 format which contains 12 bits for table index and 20 bits for fractional part.
+ * This function can support maximum of table size 2^12.
+ *
+ */
+
+
+ static __INLINE q31_t arm_linear_interp_q31(
+ q31_t * pYData,
+ q31_t x,
+ uint32_t nValues)
+ {
+ q31_t y; /* output */
+ q31_t y0, y1; /* Nearest output values */
+ q31_t fract; /* fractional part */
+ int32_t index; /* Index to read nearest output values */
+
+ /* Input is in 12.20 format */
+ /* 12 bits for the table index */
+ /* Index value calculation */
+ index = ((x & 0xFFF00000) >> 20);
+
+ if(index >= (int32_t)(nValues - 1))
+ {
+ return (pYData[nValues - 1]);
+ }
+ else if(index < 0)
+ {
+ return (pYData[0]);
+ }
+ else
+ {
+
+ /* 20 bits for the fractional part */
+ /* shift left by 11 to keep fract in 1.31 format */
+ fract = (x & 0x000FFFFF) << 11;
+
+ /* Read two nearest output values from the index in 1.31(q31) format */
+ y0 = pYData[index];
+ y1 = pYData[index + 1u];
+
+ /* Calculation of y0 * (1-fract) and y is in 2.30 format */
+ y = ((q31_t) ((q63_t) y0 * (0x7FFFFFFF - fract) >> 32));
+
+ /* Calculation of y0 * (1-fract) + y1 *fract and y is in 2.30 format */
+ y += ((q31_t) (((q63_t) y1 * fract) >> 32));
+
+ /* Convert y to 1.31 format */
+ return (y << 1u);
+
+ }
+
+ }
+
+ /**
+ *
+ * @brief Process function for the Q15 Linear Interpolation Function.
+ * @param[in] *pYData pointer to Q15 Linear Interpolation table
+ * @param[in] x input sample to process
+ * @param[in] nValues number of table values
+ * @return y processed output sample.
+ *
+ * \par
+ * Input sample x is in 12.20 format which contains 12 bits for table index and 20 bits for fractional part.
+ * This function can support maximum of table size 2^12.
+ *
+ */
+
+
+ static __INLINE q15_t arm_linear_interp_q15(
+ q15_t * pYData,
+ q31_t x,
+ uint32_t nValues)
+ {
+ q63_t y; /* output */
+ q15_t y0, y1; /* Nearest output values */
+ q31_t fract; /* fractional part */
+ int32_t index; /* Index to read nearest output values */
+
+ /* Input is in 12.20 format */
+ /* 12 bits for the table index */
+ /* Index value calculation */
+ index = ((x & 0xFFF00000) >> 20u);
+
+ if(index >= (int32_t)(nValues - 1))
+ {
+ return (pYData[nValues - 1]);
+ }
+ else if(index < 0)
+ {
+ return (pYData[0]);
+ }
+ else
+ {
+ /* 20 bits for the fractional part */
+ /* fract is in 12.20 format */
+ fract = (x & 0x000FFFFF);
+
+ /* Read two nearest output values from the index */
+ y0 = pYData[index];
+ y1 = pYData[index + 1u];
+
+ /* Calculation of y0 * (1-fract) and y is in 13.35 format */
+ y = ((q63_t) y0 * (0xFFFFF - fract));
+
+ /* Calculation of (y0 * (1-fract) + y1 * fract) and y is in 13.35 format */
+ y += ((q63_t) y1 * (fract));
+
+ /* convert y to 1.15 format */
+ return (y >> 20);
+ }
+
+
+ }
+
+ /**
+ *
+ * @brief Process function for the Q7 Linear Interpolation Function.
+ * @param[in] *pYData pointer to Q7 Linear Interpolation table
+ * @param[in] x input sample to process
+ * @param[in] nValues number of table values
+ * @return y processed output sample.
+ *
+ * \par
+ * Input sample x is in 12.20 format which contains 12 bits for table index and 20 bits for fractional part.
+ * This function can support maximum of table size 2^12.
+ */
+
+
+ static __INLINE q7_t arm_linear_interp_q7(
+ q7_t * pYData,
+ q31_t x,
+ uint32_t nValues)
+ {
+ q31_t y; /* output */
+ q7_t y0, y1; /* Nearest output values */
+ q31_t fract; /* fractional part */
+ uint32_t index; /* Index to read nearest output values */
+
+ /* Input is in 12.20 format */
+ /* 12 bits for the table index */
+ /* Index value calculation */
+ if (x < 0)
+ {
+ return (pYData[0]);
+ }
+ index = (x >> 20) & 0xfff;
+
+
+ if(index >= (nValues - 1))
+ {
+ return (pYData[nValues - 1]);
+ }
+ else
+ {
+
+ /* 20 bits for the fractional part */
+ /* fract is in 12.20 format */
+ fract = (x & 0x000FFFFF);
+
+ /* Read two nearest output values from the index and are in 1.7(q7) format */
+ y0 = pYData[index];
+ y1 = pYData[index + 1u];
+
+ /* Calculation of y0 * (1-fract ) and y is in 13.27(q27) format */
+ y = ((y0 * (0xFFFFF - fract)));
+
+ /* Calculation of y1 * fract + y0 * (1-fract) and y is in 13.27(q27) format */
+ y += (y1 * fract);
+
+ /* convert y to 1.7(q7) format */
+ return (y >> 20u);
+
+ }
+
+ }
+ /**
+ * @} end of LinearInterpolate group
+ */
+
+ /**
+ * @brief Fast approximation to the trigonometric sine function for floating-point data.
+ * @param[in] x input value in radians.
+ * @return sin(x).
+ */
+
+ float32_t arm_sin_f32(
+ float32_t x);
+
+ /**
+ * @brief Fast approximation to the trigonometric sine function for Q31 data.
+ * @param[in] x Scaled input value in radians.
+ * @return sin(x).
+ */
+
+ q31_t arm_sin_q31(
+ q31_t x);
+
+ /**
+ * @brief Fast approximation to the trigonometric sine function for Q15 data.
+ * @param[in] x Scaled input value in radians.
+ * @return sin(x).
+ */
+
+ q15_t arm_sin_q15(
+ q15_t x);
+
+ /**
+ * @brief Fast approximation to the trigonometric cosine function for floating-point data.
+ * @param[in] x input value in radians.
+ * @return cos(x).
+ */
+
+ float32_t arm_cos_f32(
+ float32_t x);
+
+ /**
+ * @brief Fast approximation to the trigonometric cosine function for Q31 data.
+ * @param[in] x Scaled input value in radians.
+ * @return cos(x).
+ */
+
+ q31_t arm_cos_q31(
+ q31_t x);
+
+ /**
+ * @brief Fast approximation to the trigonometric cosine function for Q15 data.
+ * @param[in] x Scaled input value in radians.
+ * @return cos(x).
+ */
+
+ q15_t arm_cos_q15(
+ q15_t x);
+
+
+ /**
+ * @ingroup groupFastMath
+ */
+
+
+ /**
+ * @defgroup SQRT Square Root
+ *
+ * Computes the square root of a number.
+ * There are separate functions for Q15, Q31, and floating-point data types.
+ * The square root function is computed using the Newton-Raphson algorithm.
+ * This is an iterative algorithm of the form:
+ * + * x1 = x0 - f(x0)/f'(x0) + *+ * where
x1 is the current estimate,
+ * x0 is the previous estimate, and
+ * f'(x0) is the derivative of f() evaluated at x0.
+ * For the square root function, the algorithm reduces to:
+ * + * x0 = in/2 [initial guess] + * x1 = 1/2 * ( x0 + in / x0) [each iteration] + *+ */ + + + /** + * @addtogroup SQRT + * @{ + */ + + /** + * @brief Floating-point square root function. + * @param[in] in input value. + * @param[out] *pOut square root of input value. + * @return The function returns ARM_MATH_SUCCESS if input value is positive value or ARM_MATH_ARGUMENT_ERROR if + *
in is negative value and returns zero output for negative values.
+ */
+
+ static __INLINE arm_status arm_sqrt_f32(
+ float32_t in,
+ float32_t * pOut)
+ {
+ if(in > 0)
+ {
+
+// #if __FPU_USED
+#if (__FPU_USED == 1) && defined ( __CC_ARM )
+ *pOut = __sqrtf(in);
+#else
+ *pOut = sqrtf(in);
+#endif
+
+ return (ARM_MATH_SUCCESS);
+ }
+ else
+ {
+ *pOut = 0.0f;
+ return (ARM_MATH_ARGUMENT_ERROR);
+ }
+
+ }
+
+
+ /**
+ * @brief Q31 square root function.
+ * @param[in] in input value. The range of the input value is [0 +1) or 0x00000000 to 0x7FFFFFFF.
+ * @param[out] *pOut square root of input value.
+ * @return The function returns ARM_MATH_SUCCESS if input value is positive value or ARM_MATH_ARGUMENT_ERROR if
+ * in is negative value and returns zero output for negative values.
+ */
+ arm_status arm_sqrt_q31(
+ q31_t in,
+ q31_t * pOut);
+
+ /**
+ * @brief Q15 square root function.
+ * @param[in] in input value. The range of the input value is [0 +1) or 0x0000 to 0x7FFF.
+ * @param[out] *pOut square root of input value.
+ * @return The function returns ARM_MATH_SUCCESS if input value is positive value or ARM_MATH_ARGUMENT_ERROR if
+ * in is negative value and returns zero output for negative values.
+ */
+ arm_status arm_sqrt_q15(
+ q15_t in,
+ q15_t * pOut);
+
+ /**
+ * @} end of SQRT group
+ */
+
+
+
+
+
+
+ /**
+ * @brief floating-point Circular write function.
+ */
+
+ static __INLINE void arm_circularWrite_f32(
+ int32_t * circBuffer,
+ int32_t L,
+ uint16_t * writeOffset,
+ int32_t bufferInc,
+ const int32_t * src,
+ int32_t srcInc,
+ uint32_t blockSize)
+ {
+ uint32_t i = 0u;
+ int32_t wOffset;
+
+ /* Copy the value of Index pointer that points
+ * to the current location where the input samples to be copied */
+ wOffset = *writeOffset;
+
+ /* Loop over the blockSize */
+ i = blockSize;
+
+ while(i > 0u)
+ {
+ /* copy the input sample to the circular buffer */
+ circBuffer[wOffset] = *src;
+
+ /* Update the input pointer */
+ src += srcInc;
+
+ /* Circularly update wOffset. Watch out for positive and negative value */
+ wOffset += bufferInc;
+ if(wOffset >= L)
+ wOffset -= L;
+
+ /* Decrement the loop counter */
+ i--;
+ }
+
+ /* Update the index pointer */
+ *writeOffset = wOffset;
+ }
+
+
+
+ /**
+ * @brief floating-point Circular Read function.
+ */
+ static __INLINE void arm_circularRead_f32(
+ int32_t * circBuffer,
+ int32_t L,
+ int32_t * readOffset,
+ int32_t bufferInc,
+ int32_t * dst,
+ int32_t * dst_base,
+ int32_t dst_length,
+ int32_t dstInc,
+ uint32_t blockSize)
+ {
+ uint32_t i = 0u;
+ int32_t rOffset, dst_end;
+
+ /* Copy the value of Index pointer that points
+ * to the current location from where the input samples to be read */
+ rOffset = *readOffset;
+ dst_end = (int32_t) (dst_base + dst_length);
+
+ /* Loop over the blockSize */
+ i = blockSize;
+
+ while(i > 0u)
+ {
+ /* copy the sample from the circular buffer to the destination buffer */
+ *dst = circBuffer[rOffset];
+
+ /* Update the input pointer */
+ dst += dstInc;
+
+ if(dst == (int32_t *) dst_end)
+ {
+ dst = dst_base;
+ }
+
+ /* Circularly update rOffset. Watch out for positive and negative value */
+ rOffset += bufferInc;
+
+ if(rOffset >= L)
+ {
+ rOffset -= L;
+ }
+
+ /* Decrement the loop counter */
+ i--;
+ }
+
+ /* Update the index pointer */
+ *readOffset = rOffset;
+ }
+
+ /**
+ * @brief Q15 Circular write function.
+ */
+
+ static __INLINE void arm_circularWrite_q15(
+ q15_t * circBuffer,
+ int32_t L,
+ uint16_t * writeOffset,
+ int32_t bufferInc,
+ const q15_t * src,
+ int32_t srcInc,
+ uint32_t blockSize)
+ {
+ uint32_t i = 0u;
+ int32_t wOffset;
+
+ /* Copy the value of Index pointer that points
+ * to the current location where the input samples to be copied */
+ wOffset = *writeOffset;
+
+ /* Loop over the blockSize */
+ i = blockSize;
+
+ while(i > 0u)
+ {
+ /* copy the input sample to the circular buffer */
+ circBuffer[wOffset] = *src;
+
+ /* Update the input pointer */
+ src += srcInc;
+
+ /* Circularly update wOffset. Watch out for positive and negative value */
+ wOffset += bufferInc;
+ if(wOffset >= L)
+ wOffset -= L;
+
+ /* Decrement the loop counter */
+ i--;
+ }
+
+ /* Update the index pointer */
+ *writeOffset = wOffset;
+ }
+
+
+
+ /**
+ * @brief Q15 Circular Read function.
+ */
+ static __INLINE void arm_circularRead_q15(
+ q15_t * circBuffer,
+ int32_t L,
+ int32_t * readOffset,
+ int32_t bufferInc,
+ q15_t * dst,
+ q15_t * dst_base,
+ int32_t dst_length,
+ int32_t dstInc,
+ uint32_t blockSize)
+ {
+ uint32_t i = 0;
+ int32_t rOffset, dst_end;
+
+ /* Copy the value of Index pointer that points
+ * to the current location from where the input samples to be read */
+ rOffset = *readOffset;
+
+ dst_end = (int32_t) (dst_base + dst_length);
+
+ /* Loop over the blockSize */
+ i = blockSize;
+
+ while(i > 0u)
+ {
+ /* copy the sample from the circular buffer to the destination buffer */
+ *dst = circBuffer[rOffset];
+
+ /* Update the input pointer */
+ dst += dstInc;
+
+ if(dst == (q15_t *) dst_end)
+ {
+ dst = dst_base;
+ }
+
+ /* Circularly update wOffset. Watch out for positive and negative value */
+ rOffset += bufferInc;
+
+ if(rOffset >= L)
+ {
+ rOffset -= L;
+ }
+
+ /* Decrement the loop counter */
+ i--;
+ }
+
+ /* Update the index pointer */
+ *readOffset = rOffset;
+ }
+
+
+ /**
+ * @brief Q7 Circular write function.
+ */
+
+ static __INLINE void arm_circularWrite_q7(
+ q7_t * circBuffer,
+ int32_t L,
+ uint16_t * writeOffset,
+ int32_t bufferInc,
+ const q7_t * src,
+ int32_t srcInc,
+ uint32_t blockSize)
+ {
+ uint32_t i = 0u;
+ int32_t wOffset;
+
+ /* Copy the value of Index pointer that points
+ * to the current location where the input samples to be copied */
+ wOffset = *writeOffset;
+
+ /* Loop over the blockSize */
+ i = blockSize;
+
+ while(i > 0u)
+ {
+ /* copy the input sample to the circular buffer */
+ circBuffer[wOffset] = *src;
+
+ /* Update the input pointer */
+ src += srcInc;
+
+ /* Circularly update wOffset. Watch out for positive and negative value */
+ wOffset += bufferInc;
+ if(wOffset >= L)
+ wOffset -= L;
+
+ /* Decrement the loop counter */
+ i--;
+ }
+
+ /* Update the index pointer */
+ *writeOffset = wOffset;
+ }
+
+
+
+ /**
+ * @brief Q7 Circular Read function.
+ */
+ static __INLINE void arm_circularRead_q7(
+ q7_t * circBuffer,
+ int32_t L,
+ int32_t * readOffset,
+ int32_t bufferInc,
+ q7_t * dst,
+ q7_t * dst_base,
+ int32_t dst_length,
+ int32_t dstInc,
+ uint32_t blockSize)
+ {
+ uint32_t i = 0;
+ int32_t rOffset, dst_end;
+
+ /* Copy the value of Index pointer that points
+ * to the current location from where the input samples to be read */
+ rOffset = *readOffset;
+
+ dst_end = (int32_t) (dst_base + dst_length);
+
+ /* Loop over the blockSize */
+ i = blockSize;
+
+ while(i > 0u)
+ {
+ /* copy the sample from the circular buffer to the destination buffer */
+ *dst = circBuffer[rOffset];
+
+ /* Update the input pointer */
+ dst += dstInc;
+
+ if(dst == (q7_t *) dst_end)
+ {
+ dst = dst_base;
+ }
+
+ /* Circularly update rOffset. Watch out for positive and negative value */
+ rOffset += bufferInc;
+
+ if(rOffset >= L)
+ {
+ rOffset -= L;
+ }
+
+ /* Decrement the loop counter */
+ i--;
+ }
+
+ /* Update the index pointer */
+ *readOffset = rOffset;
+ }
+
+
+ /**
+ * @brief Sum of the squares of the elements of a Q31 vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output value.
+ * @return none.
+ */
+
+ void arm_power_q31(
+ q31_t * pSrc,
+ uint32_t blockSize,
+ q63_t * pResult);
+
+ /**
+ * @brief Sum of the squares of the elements of a floating-point vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output value.
+ * @return none.
+ */
+
+ void arm_power_f32(
+ float32_t * pSrc,
+ uint32_t blockSize,
+ float32_t * pResult);
+
+ /**
+ * @brief Sum of the squares of the elements of a Q15 vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output value.
+ * @return none.
+ */
+
+ void arm_power_q15(
+ q15_t * pSrc,
+ uint32_t blockSize,
+ q63_t * pResult);
+
+ /**
+ * @brief Sum of the squares of the elements of a Q7 vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output value.
+ * @return none.
+ */
+
+ void arm_power_q7(
+ q7_t * pSrc,
+ uint32_t blockSize,
+ q31_t * pResult);
+
+ /**
+ * @brief Mean value of a Q7 vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output value.
+ * @return none.
+ */
+
+ void arm_mean_q7(
+ q7_t * pSrc,
+ uint32_t blockSize,
+ q7_t * pResult);
+
+ /**
+ * @brief Mean value of a Q15 vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output value.
+ * @return none.
+ */
+ void arm_mean_q15(
+ q15_t * pSrc,
+ uint32_t blockSize,
+ q15_t * pResult);
+
+ /**
+ * @brief Mean value of a Q31 vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output value.
+ * @return none.
+ */
+ void arm_mean_q31(
+ q31_t * pSrc,
+ uint32_t blockSize,
+ q31_t * pResult);
+
+ /**
+ * @brief Mean value of a floating-point vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output value.
+ * @return none.
+ */
+ void arm_mean_f32(
+ float32_t * pSrc,
+ uint32_t blockSize,
+ float32_t * pResult);
+
+ /**
+ * @brief Variance of the elements of a floating-point vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output value.
+ * @return none.
+ */
+
+ void arm_var_f32(
+ float32_t * pSrc,
+ uint32_t blockSize,
+ float32_t * pResult);
+
+ /**
+ * @brief Variance of the elements of a Q31 vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output value.
+ * @return none.
+ */
+
+ void arm_var_q31(
+ q31_t * pSrc,
+ uint32_t blockSize,
+ q63_t * pResult);
+
+ /**
+ * @brief Variance of the elements of a Q15 vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output value.
+ * @return none.
+ */
+
+ void arm_var_q15(
+ q15_t * pSrc,
+ uint32_t blockSize,
+ q31_t * pResult);
+
+ /**
+ * @brief Root Mean Square of the elements of a floating-point vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output value.
+ * @return none.
+ */
+
+ void arm_rms_f32(
+ float32_t * pSrc,
+ uint32_t blockSize,
+ float32_t * pResult);
+
+ /**
+ * @brief Root Mean Square of the elements of a Q31 vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output value.
+ * @return none.
+ */
+
+ void arm_rms_q31(
+ q31_t * pSrc,
+ uint32_t blockSize,
+ q31_t * pResult);
+
+ /**
+ * @brief Root Mean Square of the elements of a Q15 vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output value.
+ * @return none.
+ */
+
+ void arm_rms_q15(
+ q15_t * pSrc,
+ uint32_t blockSize,
+ q15_t * pResult);
+
+ /**
+ * @brief Standard deviation of the elements of a floating-point vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output value.
+ * @return none.
+ */
+
+ void arm_std_f32(
+ float32_t * pSrc,
+ uint32_t blockSize,
+ float32_t * pResult);
+
+ /**
+ * @brief Standard deviation of the elements of a Q31 vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output value.
+ * @return none.
+ */
+
+ void arm_std_q31(
+ q31_t * pSrc,
+ uint32_t blockSize,
+ q31_t * pResult);
+
+ /**
+ * @brief Standard deviation of the elements of a Q15 vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output value.
+ * @return none.
+ */
+
+ void arm_std_q15(
+ q15_t * pSrc,
+ uint32_t blockSize,
+ q15_t * pResult);
+
+ /**
+ * @brief Floating-point complex magnitude
+ * @param[in] *pSrc points to the complex input vector
+ * @param[out] *pDst points to the real output vector
+ * @param[in] numSamples number of complex samples in the input vector
+ * @return none.
+ */
+
+ void arm_cmplx_mag_f32(
+ float32_t * pSrc,
+ float32_t * pDst,
+ uint32_t numSamples);
+
+ /**
+ * @brief Q31 complex magnitude
+ * @param[in] *pSrc points to the complex input vector
+ * @param[out] *pDst points to the real output vector
+ * @param[in] numSamples number of complex samples in the input vector
+ * @return none.
+ */
+
+ void arm_cmplx_mag_q31(
+ q31_t * pSrc,
+ q31_t * pDst,
+ uint32_t numSamples);
+
+ /**
+ * @brief Q15 complex magnitude
+ * @param[in] *pSrc points to the complex input vector
+ * @param[out] *pDst points to the real output vector
+ * @param[in] numSamples number of complex samples in the input vector
+ * @return none.
+ */
+
+ void arm_cmplx_mag_q15(
+ q15_t * pSrc,
+ q15_t * pDst,
+ uint32_t numSamples);
+
+ /**
+ * @brief Q15 complex dot product
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[in] numSamples number of complex samples in each vector
+ * @param[out] *realResult real part of the result returned here
+ * @param[out] *imagResult imaginary part of the result returned here
+ * @return none.
+ */
+
+ void arm_cmplx_dot_prod_q15(
+ q15_t * pSrcA,
+ q15_t * pSrcB,
+ uint32_t numSamples,
+ q31_t * realResult,
+ q31_t * imagResult);
+
+ /**
+ * @brief Q31 complex dot product
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[in] numSamples number of complex samples in each vector
+ * @param[out] *realResult real part of the result returned here
+ * @param[out] *imagResult imaginary part of the result returned here
+ * @return none.
+ */
+
+ void arm_cmplx_dot_prod_q31(
+ q31_t * pSrcA,
+ q31_t * pSrcB,
+ uint32_t numSamples,
+ q63_t * realResult,
+ q63_t * imagResult);
+
+ /**
+ * @brief Floating-point complex dot product
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[in] numSamples number of complex samples in each vector
+ * @param[out] *realResult real part of the result returned here
+ * @param[out] *imagResult imaginary part of the result returned here
+ * @return none.
+ */
+
+ void arm_cmplx_dot_prod_f32(
+ float32_t * pSrcA,
+ float32_t * pSrcB,
+ uint32_t numSamples,
+ float32_t * realResult,
+ float32_t * imagResult);
+
+ /**
+ * @brief Q15 complex-by-real multiplication
+ * @param[in] *pSrcCmplx points to the complex input vector
+ * @param[in] *pSrcReal points to the real input vector
+ * @param[out] *pCmplxDst points to the complex output vector
+ * @param[in] numSamples number of samples in each vector
+ * @return none.
+ */
+
+ void arm_cmplx_mult_real_q15(
+ q15_t * pSrcCmplx,
+ q15_t * pSrcReal,
+ q15_t * pCmplxDst,
+ uint32_t numSamples);
+
+ /**
+ * @brief Q31 complex-by-real multiplication
+ * @param[in] *pSrcCmplx points to the complex input vector
+ * @param[in] *pSrcReal points to the real input vector
+ * @param[out] *pCmplxDst points to the complex output vector
+ * @param[in] numSamples number of samples in each vector
+ * @return none.
+ */
+
+ void arm_cmplx_mult_real_q31(
+ q31_t * pSrcCmplx,
+ q31_t * pSrcReal,
+ q31_t * pCmplxDst,
+ uint32_t numSamples);
+
+ /**
+ * @brief Floating-point complex-by-real multiplication
+ * @param[in] *pSrcCmplx points to the complex input vector
+ * @param[in] *pSrcReal points to the real input vector
+ * @param[out] *pCmplxDst points to the complex output vector
+ * @param[in] numSamples number of samples in each vector
+ * @return none.
+ */
+
+ void arm_cmplx_mult_real_f32(
+ float32_t * pSrcCmplx,
+ float32_t * pSrcReal,
+ float32_t * pCmplxDst,
+ uint32_t numSamples);
+
+ /**
+ * @brief Minimum value of a Q7 vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *result is output pointer
+ * @param[in] index is the array index of the minimum value in the input buffer.
+ * @return none.
+ */
+
+ void arm_min_q7(
+ q7_t * pSrc,
+ uint32_t blockSize,
+ q7_t * result,
+ uint32_t * index);
+
+ /**
+ * @brief Minimum value of a Q15 vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output pointer
+ * @param[in] *pIndex is the array index of the minimum value in the input buffer.
+ * @return none.
+ */
+
+ void arm_min_q15(
+ q15_t * pSrc,
+ uint32_t blockSize,
+ q15_t * pResult,
+ uint32_t * pIndex);
+
+ /**
+ * @brief Minimum value of a Q31 vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output pointer
+ * @param[out] *pIndex is the array index of the minimum value in the input buffer.
+ * @return none.
+ */
+ void arm_min_q31(
+ q31_t * pSrc,
+ uint32_t blockSize,
+ q31_t * pResult,
+ uint32_t * pIndex);
+
+ /**
+ * @brief Minimum value of a floating-point vector.
+ * @param[in] *pSrc is input pointer
+ * @param[in] blockSize is the number of samples to process
+ * @param[out] *pResult is output pointer
+ * @param[out] *pIndex is the array index of the minimum value in the input buffer.
+ * @return none.
+ */
+
+ void arm_min_f32(
+ float32_t * pSrc,
+ uint32_t blockSize,
+ float32_t * pResult,
+ uint32_t * pIndex);
+
+/**
+ * @brief Maximum value of a Q7 vector.
+ * @param[in] *pSrc points to the input buffer
+ * @param[in] blockSize length of the input vector
+ * @param[out] *pResult maximum value returned here
+ * @param[out] *pIndex index of maximum value returned here
+ * @return none.
+ */
+
+ void arm_max_q7(
+ q7_t * pSrc,
+ uint32_t blockSize,
+ q7_t * pResult,
+ uint32_t * pIndex);
+
+/**
+ * @brief Maximum value of a Q15 vector.
+ * @param[in] *pSrc points to the input buffer
+ * @param[in] blockSize length of the input vector
+ * @param[out] *pResult maximum value returned here
+ * @param[out] *pIndex index of maximum value returned here
+ * @return none.
+ */
+
+ void arm_max_q15(
+ q15_t * pSrc,
+ uint32_t blockSize,
+ q15_t * pResult,
+ uint32_t * pIndex);
+
+/**
+ * @brief Maximum value of a Q31 vector.
+ * @param[in] *pSrc points to the input buffer
+ * @param[in] blockSize length of the input vector
+ * @param[out] *pResult maximum value returned here
+ * @param[out] *pIndex index of maximum value returned here
+ * @return none.
+ */
+
+ void arm_max_q31(
+ q31_t * pSrc,
+ uint32_t blockSize,
+ q31_t * pResult,
+ uint32_t * pIndex);
+
+/**
+ * @brief Maximum value of a floating-point vector.
+ * @param[in] *pSrc points to the input buffer
+ * @param[in] blockSize length of the input vector
+ * @param[out] *pResult maximum value returned here
+ * @param[out] *pIndex index of maximum value returned here
+ * @return none.
+ */
+
+ void arm_max_f32(
+ float32_t * pSrc,
+ uint32_t blockSize,
+ float32_t * pResult,
+ uint32_t * pIndex);
+
+ /**
+ * @brief Q15 complex-by-complex multiplication
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] numSamples number of complex samples in each vector
+ * @return none.
+ */
+
+ void arm_cmplx_mult_cmplx_q15(
+ q15_t * pSrcA,
+ q15_t * pSrcB,
+ q15_t * pDst,
+ uint32_t numSamples);
+
+ /**
+ * @brief Q31 complex-by-complex multiplication
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] numSamples number of complex samples in each vector
+ * @return none.
+ */
+
+ void arm_cmplx_mult_cmplx_q31(
+ q31_t * pSrcA,
+ q31_t * pSrcB,
+ q31_t * pDst,
+ uint32_t numSamples);
+
+ /**
+ * @brief Floating-point complex-by-complex multiplication
+ * @param[in] *pSrcA points to the first input vector
+ * @param[in] *pSrcB points to the second input vector
+ * @param[out] *pDst points to the output vector
+ * @param[in] numSamples number of complex samples in each vector
+ * @return none.
+ */
+
+ void arm_cmplx_mult_cmplx_f32(
+ float32_t * pSrcA,
+ float32_t * pSrcB,
+ float32_t * pDst,
+ uint32_t numSamples);
+
+ /**
+ * @brief Converts the elements of the floating-point vector to Q31 vector.
+ * @param[in] *pSrc points to the floating-point input vector
+ * @param[out] *pDst points to the Q31 output vector
+ * @param[in] blockSize length of the input vector
+ * @return none.
+ */
+ void arm_float_to_q31(
+ float32_t * pSrc,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Converts the elements of the floating-point vector to Q15 vector.
+ * @param[in] *pSrc points to the floating-point input vector
+ * @param[out] *pDst points to the Q15 output vector
+ * @param[in] blockSize length of the input vector
+ * @return none
+ */
+ void arm_float_to_q15(
+ float32_t * pSrc,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Converts the elements of the floating-point vector to Q7 vector.
+ * @param[in] *pSrc points to the floating-point input vector
+ * @param[out] *pDst points to the Q7 output vector
+ * @param[in] blockSize length of the input vector
+ * @return none
+ */
+ void arm_float_to_q7(
+ float32_t * pSrc,
+ q7_t * pDst,
+ uint32_t blockSize);
+
+
+ /**
+ * @brief Converts the elements of the Q31 vector to Q15 vector.
+ * @param[in] *pSrc is input pointer
+ * @param[out] *pDst is output pointer
+ * @param[in] blockSize is the number of samples to process
+ * @return none.
+ */
+ void arm_q31_to_q15(
+ q31_t * pSrc,
+ q15_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Converts the elements of the Q31 vector to Q7 vector.
+ * @param[in] *pSrc is input pointer
+ * @param[out] *pDst is output pointer
+ * @param[in] blockSize is the number of samples to process
+ * @return none.
+ */
+ void arm_q31_to_q7(
+ q31_t * pSrc,
+ q7_t * pDst,
+ uint32_t blockSize);
+
+ /**
+ * @brief Converts the elements of the Q15 vector to floating-point vector.
+ * @param[in] *pSrc is input pointer
+ * @param[out] *pDst is output pointer
+ * @param[in] blockSize is the number of samples to process
+ * @return none.
+ */
+ void arm_q15_to_float(
+ q15_t * pSrc,
+ float32_t * pDst,
+ uint32_t blockSize);
+
+
+ /**
+ * @brief Converts the elements of the Q15 vector to Q31 vector.
+ * @param[in] *pSrc is input pointer
+ * @param[out] *pDst is output pointer
+ * @param[in] blockSize is the number of samples to process
+ * @return none.
+ */
+ void arm_q15_to_q31(
+ q15_t * pSrc,
+ q31_t * pDst,
+ uint32_t blockSize);
+
+
+ /**
+ * @brief Converts the elements of the Q15 vector to Q7 vector.
+ * @param[in] *pSrc is input pointer
+ * @param[out] *pDst is output pointer
+ * @param[in] blockSize is the number of samples to process
+ * @return none.
+ */
+ void arm_q15_to_q7(
+ q15_t * pSrc,
+ q7_t * pDst,
+ uint32_t blockSize);
+
+
+ /**
+ * @ingroup groupInterpolation
+ */
+
+ /**
+ * @defgroup BilinearInterpolate Bilinear Interpolation
+ *
+ * Bilinear interpolation is an extension of linear interpolation applied to a two dimensional grid.
+ * The underlying function f(x, y) is sampled on a regular grid and the interpolation process
+ * determines values between the grid points.
+ * Bilinear interpolation is equivalent to two step linear interpolation, first in the x-dimension and then in the y-dimension.
+ * Bilinear interpolation is often used in image processing to rescale images.
+ * The CMSIS DSP library provides bilinear interpolation functions for Q7, Q15, Q31, and floating-point data types.
+ *
+ * Algorithm
+ * \par
+ * The instance structure used by the bilinear interpolation functions describes a two dimensional data table.
+ * For floating-point, the instance structure is defined as:
+ *
+ * typedef struct
+ * {
+ * uint16_t numRows;
+ * uint16_t numCols;
+ * float32_t *pData;
+ * } arm_bilinear_interp_instance_f32;
+ *
+ *
+ * \par
+ * where numRows specifies the number of rows in the table;
+ * numCols specifies the number of columns in the table;
+ * and pData points to an array of size numRows*numCols values.
+ * The data table pTable is organized in row order and the supplied data values fall on integer indexes.
+ * That is, table element (x,y) is located at pTable[x + y*numCols] where x and y are integers.
+ *
+ * \par
+ * Let (x, y) specify the desired interpolation point. Then define:
+ * + * XF = floor(x) + * YF = floor(y) + *+ * \par + * The interpolated output point is computed as: + *
+ * f(x, y) = f(XF, YF) * (1-(x-XF)) * (1-(y-YF)) + * + f(XF+1, YF) * (x-XF)*(1-(y-YF)) + * + f(XF, YF+1) * (1-(x-XF))*(y-YF) + * + f(XF+1, YF+1) * (x-XF)*(y-YF) + *+ * Note that the coordinates (x, y) contain integer and fractional components. + * The integer components specify which portion of the table to use while the + * fractional components control the interpolation processor. + * + * \par + * if (x,y) are outside of the table boundary, Bilinear interpolation returns zero output. + */ + + /** + * @addtogroup BilinearInterpolate + * @{ + */ + + /** + * + * @brief Floating-point bilinear interpolation. + * @param[in,out] *S points to an instance of the interpolation structure. + * @param[in] X interpolation coordinate. + * @param[in] Y interpolation coordinate. + * @return out interpolated value. + */ + + + static __INLINE float32_t arm_bilinear_interp_f32( + const arm_bilinear_interp_instance_f32 * S, + float32_t X, + float32_t Y) + { + float32_t out; + float32_t f00, f01, f10, f11; + float32_t *pData = S->pData; + int32_t xIndex, yIndex, index; + float32_t xdiff, ydiff; + float32_t b1, b2, b3, b4; + + xIndex = (int32_t) X; + yIndex = (int32_t) Y; + + /* Care taken for table outside boundary */ + /* Returns zero output when values are outside table boundary */ + if(xIndex < 0 || xIndex > (S->numRows - 1) || yIndex < 0 + || yIndex > (S->numCols - 1)) + { + return (0); + } + + /* Calculation of index for two nearest points in X-direction */ + index = (xIndex - 1) + (yIndex - 1) * S->numCols; + + + /* Read two nearest points in X-direction */ + f00 = pData[index]; + f01 = pData[index + 1]; + + /* Calculation of index for two nearest points in Y-direction */ + index = (xIndex - 1) + (yIndex) * S->numCols; + + + /* Read two nearest points in Y-direction */ + f10 = pData[index]; + f11 = pData[index + 1]; + + /* Calculation of intermediate values */ + b1 = f00; + b2 = f01 - f00; + b3 = f10 - f00; + b4 = f00 - f01 - f10 + f11; + + /* Calculation of fractional part in X */ + xdiff = X - xIndex; + + /* Calculation of fractional part in Y */ + ydiff = Y - yIndex; + + /* Calculation of bi-linear interpolated output */ + out = b1 + b2 * xdiff + b3 * ydiff + b4 * xdiff * ydiff; + + /* return to application */ + return (out); + + } + + /** + * + * @brief Q31 bilinear interpolation. + * @param[in,out] *S points to an instance of the interpolation structure. + * @param[in] X interpolation coordinate in 12.20 format. + * @param[in] Y interpolation coordinate in 12.20 format. + * @return out interpolated value. + */ + + static __INLINE q31_t arm_bilinear_interp_q31( + arm_bilinear_interp_instance_q31 * S, + q31_t X, + q31_t Y) + { + q31_t out; /* Temporary output */ + q31_t acc = 0; /* output */ + q31_t xfract, yfract; /* X, Y fractional parts */ + q31_t x1, x2, y1, y2; /* Nearest output values */ + int32_t rI, cI; /* Row and column indices */ + q31_t *pYData = S->pData; /* pointer to output table values */ + uint32_t nCols = S->numCols; /* num of rows */ + + + /* Input is in 12.20 format */ + /* 12 bits for the table index */ + /* Index value calculation */ + rI = ((X & 0xFFF00000) >> 20u); + + /* Input is in 12.20 format */ + /* 12 bits for the table index */ + /* Index value calculation */ + cI = ((Y & 0xFFF00000) >> 20u); + + /* Care taken for table outside boundary */ + /* Returns zero output when values are outside table boundary */ + if(rI < 0 || rI > (S->numRows - 1) || cI < 0 || cI > (S->numCols - 1)) + { + return (0); + } + + /* 20 bits for the fractional part */ + /* shift left xfract by 11 to keep 1.31 format */ + xfract = (X & 0x000FFFFF) << 11u; + + /* Read two nearest output values from the index */ + x1 = pYData[(rI) + nCols * (cI)]; + x2 = pYData[(rI) + nCols * (cI) + 1u]; + + /* 20 bits for the fractional part */ + /* shift left yfract by 11 to keep 1.31 format */ + yfract = (Y & 0x000FFFFF) << 11u; + + /* Read two nearest output values from the index */ + y1 = pYData[(rI) + nCols * (cI + 1)]; + y2 = pYData[(rI) + nCols * (cI + 1) + 1u]; + + /* Calculation of x1 * (1-xfract ) * (1-yfract) and acc is in 3.29(q29) format */ + out = ((q31_t) (((q63_t) x1 * (0x7FFFFFFF - xfract)) >> 32)); + acc = ((q31_t) (((q63_t) out * (0x7FFFFFFF - yfract)) >> 32)); + + /* x2 * (xfract) * (1-yfract) in 3.29(q29) and adding to acc */ + out = ((q31_t) ((q63_t) x2 * (0x7FFFFFFF - yfract) >> 32)); + acc += ((q31_t) ((q63_t) out * (xfract) >> 32)); + + /* y1 * (1 - xfract) * (yfract) in 3.29(q29) and adding to acc */ + out = ((q31_t) ((q63_t) y1 * (0x7FFFFFFF - xfract) >> 32)); + acc += ((q31_t) ((q63_t) out * (yfract) >> 32)); + + /* y2 * (xfract) * (yfract) in 3.29(q29) and adding to acc */ + out = ((q31_t) ((q63_t) y2 * (xfract) >> 32)); + acc += ((q31_t) ((q63_t) out * (yfract) >> 32)); + + /* Convert acc to 1.31(q31) format */ + return (acc << 2u); + + } + + /** + * @brief Q15 bilinear interpolation. + * @param[in,out] *S points to an instance of the interpolation structure. + * @param[in] X interpolation coordinate in 12.20 format. + * @param[in] Y interpolation coordinate in 12.20 format. + * @return out interpolated value. + */ + + static __INLINE q15_t arm_bilinear_interp_q15( + arm_bilinear_interp_instance_q15 * S, + q31_t X, + q31_t Y) + { + q63_t acc = 0; /* output */ + q31_t out; /* Temporary output */ + q15_t x1, x2, y1, y2; /* Nearest output values */ + q31_t xfract, yfract; /* X, Y fractional parts */ + int32_t rI, cI; /* Row and column indices */ + q15_t *pYData = S->pData; /* pointer to output table values */ + uint32_t nCols = S->numCols; /* num of rows */ + + /* Input is in 12.20 format */ + /* 12 bits for the table index */ + /* Index value calculation */ + rI = ((X & 0xFFF00000) >> 20); + + /* Input is in 12.20 format */ + /* 12 bits for the table index */ + /* Index value calculation */ + cI = ((Y & 0xFFF00000) >> 20); + + /* Care taken for table outside boundary */ + /* Returns zero output when values are outside table boundary */ + if(rI < 0 || rI > (S->numRows - 1) || cI < 0 || cI > (S->numCols - 1)) + { + return (0); + } + + /* 20 bits for the fractional part */ + /* xfract should be in 12.20 format */ + xfract = (X & 0x000FFFFF); + + /* Read two nearest output values from the index */ + x1 = pYData[(rI) + nCols * (cI)]; + x2 = pYData[(rI) + nCols * (cI) + 1u]; + + + /* 20 bits for the fractional part */ + /* yfract should be in 12.20 format */ + yfract = (Y & 0x000FFFFF); + + /* Read two nearest output values from the index */ + y1 = pYData[(rI) + nCols * (cI + 1)]; + y2 = pYData[(rI) + nCols * (cI + 1) + 1u]; + + /* Calculation of x1 * (1-xfract ) * (1-yfract) and acc is in 13.51 format */ + + /* x1 is in 1.15(q15), xfract in 12.20 format and out is in 13.35 format */ + /* convert 13.35 to 13.31 by right shifting and out is in 1.31 */ + out = (q31_t) (((q63_t) x1 * (0xFFFFF - xfract)) >> 4u); + acc = ((q63_t) out * (0xFFFFF - yfract)); + + /* x2 * (xfract) * (1-yfract) in 1.51 and adding to acc */ + out = (q31_t) (((q63_t) x2 * (0xFFFFF - yfract)) >> 4u); + acc += ((q63_t) out * (xfract)); + + /* y1 * (1 - xfract) * (yfract) in 1.51 and adding to acc */ + out = (q31_t) (((q63_t) y1 * (0xFFFFF - xfract)) >> 4u); + acc += ((q63_t) out * (yfract)); + + /* y2 * (xfract) * (yfract) in 1.51 and adding to acc */ + out = (q31_t) (((q63_t) y2 * (xfract)) >> 4u); + acc += ((q63_t) out * (yfract)); + + /* acc is in 13.51 format and down shift acc by 36 times */ + /* Convert out to 1.15 format */ + return (acc >> 36); + + } + + /** + * @brief Q7 bilinear interpolation. + * @param[in,out] *S points to an instance of the interpolation structure. + * @param[in] X interpolation coordinate in 12.20 format. + * @param[in] Y interpolation coordinate in 12.20 format. + * @return out interpolated value. + */ + + static __INLINE q7_t arm_bilinear_interp_q7( + arm_bilinear_interp_instance_q7 * S, + q31_t X, + q31_t Y) + { + q63_t acc = 0; /* output */ + q31_t out; /* Temporary output */ + q31_t xfract, yfract; /* X, Y fractional parts */ + q7_t x1, x2, y1, y2; /* Nearest output values */ + int32_t rI, cI; /* Row and column indices */ + q7_t *pYData = S->pData; /* pointer to output table values */ + uint32_t nCols = S->numCols; /* num of rows */ + + /* Input is in 12.20 format */ + /* 12 bits for the table index */ + /* Index value calculation */ + rI = ((X & 0xFFF00000) >> 20); + + /* Input is in 12.20 format */ + /* 12 bits for the table index */ + /* Index value calculation */ + cI = ((Y & 0xFFF00000) >> 20); + + /* Care taken for table outside boundary */ + /* Returns zero output when values are outside table boundary */ + if(rI < 0 || rI > (S->numRows - 1) || cI < 0 || cI > (S->numCols - 1)) + { + return (0); + } + + /* 20 bits for the fractional part */ + /* xfract should be in 12.20 format */ + xfract = (X & 0x000FFFFF); + + /* Read two nearest output values from the index */ + x1 = pYData[(rI) + nCols * (cI)]; + x2 = pYData[(rI) + nCols * (cI) + 1u]; + + + /* 20 bits for the fractional part */ + /* yfract should be in 12.20 format */ + yfract = (Y & 0x000FFFFF); + + /* Read two nearest output values from the index */ + y1 = pYData[(rI) + nCols * (cI + 1)]; + y2 = pYData[(rI) + nCols * (cI + 1) + 1u]; + + /* Calculation of x1 * (1-xfract ) * (1-yfract) and acc is in 16.47 format */ + out = ((x1 * (0xFFFFF - xfract))); + acc = (((q63_t) out * (0xFFFFF - yfract))); + + /* x2 * (xfract) * (1-yfract) in 2.22 and adding to acc */ + out = ((x2 * (0xFFFFF - yfract))); + acc += (((q63_t) out * (xfract))); + + /* y1 * (1 - xfract) * (yfract) in 2.22 and adding to acc */ + out = ((y1 * (0xFFFFF - xfract))); + acc += (((q63_t) out * (yfract))); + + /* y2 * (xfract) * (yfract) in 2.22 and adding to acc */ + out = ((y2 * (yfract))); + acc += (((q63_t) out * (xfract))); + + /* acc in 16.47 format and down shift by 40 to convert to 1.7 format */ + return (acc >> 40); + + } + + /** + * @} end of BilinearInterpolate group + */ + + +#if defined ( __CC_ARM ) //Keil +//SMMLAR + #define multAcc_32x32_keep32_R(a, x, y) \ + a = (q31_t) (((((q63_t) a) << 32) + ((q63_t) x * y) + 0x80000000LL ) >> 32) + +//SMMLSR + #define multSub_32x32_keep32_R(a, x, y) \ + a = (q31_t) (((((q63_t) a) << 32) - ((q63_t) x * y) + 0x80000000LL ) >> 32) + +//SMMULR + #define mult_32x32_keep32_R(a, x, y) \ + a = (q31_t) (((q63_t) x * y + 0x80000000LL ) >> 32) + +//Enter low optimization region - place directly above function definition + #define LOW_OPTIMIZATION_ENTER \ + _Pragma ("push") \ + _Pragma ("O1") + +//Exit low optimization region - place directly after end of function definition + #define LOW_OPTIMIZATION_EXIT \ + _Pragma ("pop") + +//Enter low optimization region - place directly above function definition + #define IAR_ONLY_LOW_OPTIMIZATION_ENTER + +//Exit low optimization region - place directly after end of function definition + #define IAR_ONLY_LOW_OPTIMIZATION_EXIT + +#elif defined(__ICCARM__) //IAR + //SMMLA + #define multAcc_32x32_keep32_R(a, x, y) \ + a += (q31_t) (((q63_t) x * y) >> 32) + + //SMMLS + #define multSub_32x32_keep32_R(a, x, y) \ + a -= (q31_t) (((q63_t) x * y) >> 32) + +//SMMUL + #define mult_32x32_keep32_R(a, x, y) \ + a = (q31_t) (((q63_t) x * y ) >> 32) + +//Enter low optimization region - place directly above function definition + #define LOW_OPTIMIZATION_ENTER \ + _Pragma ("optimize=low") + +//Exit low optimization region - place directly after end of function definition + #define LOW_OPTIMIZATION_EXIT + +//Enter low optimization region - place directly above function definition + #define IAR_ONLY_LOW_OPTIMIZATION_ENTER \ + _Pragma ("optimize=low") + +//Exit low optimization region - place directly after end of function definition + #define IAR_ONLY_LOW_OPTIMIZATION_EXIT + +#elif defined(__GNUC__) + //SMMLA + #define multAcc_32x32_keep32_R(a, x, y) \ + a += (q31_t) (((q63_t) x * y) >> 32) + + //SMMLS + #define multSub_32x32_keep32_R(a, x, y) \ + a -= (q31_t) (((q63_t) x * y) >> 32) + +//SMMUL + #define mult_32x32_keep32_R(a, x, y) \ + a = (q31_t) (((q63_t) x * y ) >> 32) + + #define LOW_OPTIMIZATION_ENTER __attribute__(( optimize("-O1") )) + + #define LOW_OPTIMIZATION_EXIT + + #define IAR_ONLY_LOW_OPTIMIZATION_ENTER + + #define IAR_ONLY_LOW_OPTIMIZATION_EXIT + +#endif + + + + + +#ifdef __cplusplus +} +#endif + + +#endif /* _ARM_MATH_H */ + + +/** + * + * End of file. + */ diff --git a/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/cmsis/core_cm0.h b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/cmsis/core_cm0.h new file mode 100644 index 00000000..1b6b54ef --- /dev/null +++ b/Target/Demo/ARMCM0_STM32F0_Nucleo_F091RC_GCC/Prog/lib/cmsis/core_cm0.h @@ -0,0 +1,682 @@ +/**************************************************************************//** + * @file core_cm0.h + * @brief CMSIS Cortex-M0 Core Peripheral Access Layer Header File + * @version V3.20 + * @date 25. February 2013 + * + * @note + * + ******************************************************************************/ +/* Copyright (c) 2009 - 2013 ARM LIMITED + + All rights reserved. + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + - Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + - Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + - Neither the name of ARM nor the names of its contributors may be used + to endorse or promote products derived from this software without + specific prior written permission. + * + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. + ---------------------------------------------------------------------------*/ + + +#if defined ( __ICCARM__ ) + #pragma system_include /* treat file as system include file for MISRA check */ +#endif + +#ifdef __cplusplus + extern "C" { +#endif + +#ifndef __CORE_CM0_H_GENERIC +#define __CORE_CM0_H_GENERIC + +/** \page CMSIS_MISRA_Exceptions MISRA-C:2004 Compliance Exceptions + CMSIS violates the following MISRA-C:2004 rules: + + \li Required Rule 8.5, object/function definition in header file.
+ Function definitions in header files are used to allow 'inlining'. + + \li Required Rule 18.4, declaration of union type or object of union type: '{...}'.
+ Unions are used for effective representation of core registers. + + \li Advisory Rule 19.7, Function-like macro defined.
+ Function-like macros are used to allow more efficient code. + */ + + +/******************************************************************************* + * CMSIS definitions + ******************************************************************************/ +/** \ingroup Cortex_M0 + @{ + */ + +/* CMSIS CM0 definitions */ +#define __CM0_CMSIS_VERSION_MAIN (0x03) /*!< [31:16] CMSIS HAL main version */ +#define __CM0_CMSIS_VERSION_SUB (0x20) /*!< [15:0] CMSIS HAL sub version */ +#define __CM0_CMSIS_VERSION ((__CM0_CMSIS_VERSION_MAIN << 16) | \ + __CM0_CMSIS_VERSION_SUB ) /*!< CMSIS HAL version number */ + +#define __CORTEX_M (0x00) /*!< Cortex-M Core */ + + +#if defined ( __CC_ARM ) + #define __ASM __asm /*!< asm keyword for ARM Compiler */ + #define __INLINE __inline /*!< inline keyword for ARM Compiler */ + #define __STATIC_INLINE static __inline + +#elif defined ( __ICCARM__ ) + #define __ASM __asm /*!< asm keyword for IAR Compiler */ + #define __INLINE inline /*!< inline keyword for IAR Compiler. Only available in High optimization mode! */ + #define __STATIC_INLINE static inline + +#elif defined ( __GNUC__ ) + #define __ASM __asm /*!< asm keyword for GNU Compiler */ + #define __INLINE inline /*!< inline keyword for GNU Compiler */ + #define __STATIC_INLINE static inline + +#elif defined ( __TASKING__ ) + #define __ASM __asm /*!< asm keyword for TASKING Compiler */ + #define __INLINE inline /*!< inline keyword for TASKING Compiler */ + #define __STATIC_INLINE static inline + +#endif + +/** __FPU_USED indicates whether an FPU is used or not. This core does not support an FPU at all +*/ +#define __FPU_USED 0 + +#if defined ( __CC_ARM ) + #if defined __TARGET_FPU_VFP + #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" + #endif + +#elif defined ( __ICCARM__ ) + #if defined __ARMVFP__ + #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" + #endif + +#elif defined ( __GNUC__ ) + #if defined (__VFP_FP__) && !defined(__SOFTFP__) + #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" + #endif + +#elif defined ( __TASKING__ ) + #if defined __FPU_VFP__ + #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" + #endif +#endif + +#include