/** ****************************************************************************** * @file stm32f30x_rcc.h * @author MCD Application Team * @version V1.2.3 * @date 10-July-2015 * @brief This file contains all the functions prototypes for the RCC * firmware library. ****************************************************************************** * @attention * *

© COPYRIGHT 2015 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 __STM32F30x_RCC_H #define __STM32F30x_RCC_H #ifdef __cplusplus extern "C" { #endif /* Includes ------------------------------------------------------------------*/ #include "stm32f30x.h" /** @addtogroup STM32F30x_StdPeriph_Driver * @{ */ /** @addtogroup RCC * @{ */ /* Exported types ------------------------------------------------------------*/ typedef struct { uint32_t SYSCLK_Frequency; uint32_t HCLK_Frequency; uint32_t PCLK1_Frequency; uint32_t PCLK2_Frequency; uint32_t ADC12CLK_Frequency; uint32_t ADC34CLK_Frequency; uint32_t I2C1CLK_Frequency; uint32_t I2C2CLK_Frequency; uint32_t I2C3CLK_Frequency; uint32_t TIM1CLK_Frequency; uint32_t HRTIM1CLK_Frequency; uint32_t TIM8CLK_Frequency; uint32_t TIM2CLK_Frequency; uint32_t TIM3CLK_Frequency; uint32_t USART1CLK_Frequency; uint32_t USART2CLK_Frequency; uint32_t USART3CLK_Frequency; uint32_t UART4CLK_Frequency; uint32_t UART5CLK_Frequency; uint32_t TIM15CLK_Frequency; uint32_t TIM16CLK_Frequency; uint32_t TIM17CLK_Frequency; uint32_t TIM20CLK_Frequency; }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 RCC_CFGR_PLLSRC_HSI_PREDIV /*!< Only applicable for STM32F303xE devices */ #define RCC_PLLSource_HSI_Div2 RCC_CFGR_PLLSRC_HSI_Div2 #define RCC_PLLSource_PREDIV1 RCC_CFGR_PLLSRC_PREDIV1 #define IS_RCC_PLL_SOURCE(SOURCE) (((SOURCE) == RCC_PLLSource_HSI_Div2) || \ ((SOURCE) == RCC_PLLSource_PREDIV1)|| \ ((SOURCE) == RCC_PLLSource_HSI)) /** * @} */ /** @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 IS_RCC_SYSCLK_SOURCE(SOURCE) (((SOURCE) == RCC_SYSCLKSource_HSI) || \ ((SOURCE) == RCC_SYSCLKSource_HSE) || \ ((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_APB1_APB2_clock_source * @{ */ #define RCC_HCLK_Div1 ((uint32_t)0x00000000) #define RCC_HCLK_Div2 ((uint32_t)0x00000400) #define RCC_HCLK_Div4 ((uint32_t)0x00000500) #define RCC_HCLK_Div8 ((uint32_t)0x00000600) #define RCC_HCLK_Div16 ((uint32_t)0x00000700) #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 * @{ */ /* ADC1 & ADC2 */ #define RCC_ADC12PLLCLK_OFF ((uint32_t)0x00000000) #define RCC_ADC12PLLCLK_Div1 ((uint32_t)0x00000100) #define RCC_ADC12PLLCLK_Div2 ((uint32_t)0x00000110) #define RCC_ADC12PLLCLK_Div4 ((uint32_t)0x00000120) #define RCC_ADC12PLLCLK_Div6 ((uint32_t)0x00000130) #define RCC_ADC12PLLCLK_Div8 ((uint32_t)0x00000140) #define RCC_ADC12PLLCLK_Div10 ((uint32_t)0x00000150) #define RCC_ADC12PLLCLK_Div12 ((uint32_t)0x00000160) #define RCC_ADC12PLLCLK_Div16 ((uint32_t)0x00000170) #define RCC_ADC12PLLCLK_Div32 ((uint32_t)0x00000180) #define RCC_ADC12PLLCLK_Div64 ((uint32_t)0x00000190) #define RCC_ADC12PLLCLK_Div128 ((uint32_t)0x000001A0) #define RCC_ADC12PLLCLK_Div256 ((uint32_t)0x000001B0) /* ADC3 & ADC4 */ #define RCC_ADC34PLLCLK_OFF ((uint32_t)0x10000000) #define RCC_ADC34PLLCLK_Div1 ((uint32_t)0x10002000) #define RCC_ADC34PLLCLK_Div2 ((uint32_t)0x10002200) #define RCC_ADC34PLLCLK_Div4 ((uint32_t)0x10002400) #define RCC_ADC34PLLCLK_Div6 ((uint32_t)0x10002600) #define RCC_ADC34PLLCLK_Div8 ((uint32_t)0x10002800) #define RCC_ADC34PLLCLK_Div10 ((uint32_t)0x10002A00) #define RCC_ADC34PLLCLK_Div12 ((uint32_t)0x10002C00) #define RCC_ADC34PLLCLK_Div16 ((uint32_t)0x10002E00) #define RCC_ADC34PLLCLK_Div32 ((uint32_t)0x10003000) #define RCC_ADC34PLLCLK_Div64 ((uint32_t)0x10003200) #define RCC_ADC34PLLCLK_Div128 ((uint32_t)0x10003400) #define RCC_ADC34PLLCLK_Div256 ((uint32_t)0x10003600) #define IS_RCC_ADCCLK(ADCCLK) (((ADCCLK) == RCC_ADC12PLLCLK_OFF) || ((ADCCLK) == RCC_ADC12PLLCLK_Div1) || \ ((ADCCLK) == RCC_ADC12PLLCLK_Div2) || ((ADCCLK) == RCC_ADC12PLLCLK_Div4) || \ ((ADCCLK) == RCC_ADC12PLLCLK_Div6) || ((ADCCLK) == RCC_ADC12PLLCLK_Div8) || \ ((ADCCLK) == RCC_ADC12PLLCLK_Div10) || ((ADCCLK) == RCC_ADC12PLLCLK_Div12) || \ ((ADCCLK) == RCC_ADC12PLLCLK_Div16) || ((ADCCLK) == RCC_ADC12PLLCLK_Div32) || \ ((ADCCLK) == RCC_ADC12PLLCLK_Div64) || ((ADCCLK) == RCC_ADC12PLLCLK_Div128) || \ ((ADCCLK) == RCC_ADC12PLLCLK_Div256) || ((ADCCLK) == RCC_ADC34PLLCLK_OFF) || \ ((ADCCLK) == RCC_ADC34PLLCLK_Div1) || ((ADCCLK) == RCC_ADC34PLLCLK_Div2) || \ ((ADCCLK) == RCC_ADC34PLLCLK_Div4) || ((ADCCLK) == RCC_ADC34PLLCLK_Div6) || \ ((ADCCLK) == RCC_ADC34PLLCLK_Div8) || ((ADCCLK) == RCC_ADC34PLLCLK_Div10) || \ ((ADCCLK) == RCC_ADC34PLLCLK_Div12) || ((ADCCLK) == RCC_ADC34PLLCLK_Div16) || \ ((ADCCLK) == RCC_ADC34PLLCLK_Div32) || ((ADCCLK) == RCC_ADC34PLLCLK_Div64) || \ ((ADCCLK) == RCC_ADC34PLLCLK_Div128) || ((ADCCLK) == RCC_ADC34PLLCLK_Div256)) /** * @} */ /** @defgroup RCC_TIM_clock_source * @{ */ #define RCC_TIM1CLK_PCLK ((uint32_t)0x00000000) #define RCC_TIM1CLK_PLLCLK RCC_CFGR3_TIM1SW #define RCC_TIM8CLK_PCLK ((uint32_t)0x10000000) #define RCC_TIM8CLK_PLLCLK ((uint32_t)0x10000200) #define RCC_TIM15CLK_PCLK ((uint32_t)0x20000000) #define RCC_TIM15CLK_PLLCLK ((uint32_t)0x20000400) #define RCC_TIM16CLK_PCLK ((uint32_t)0x30000000) #define RCC_TIM16CLK_PLLCLK ((uint32_t)0x30000800) #define RCC_TIM17CLK_PCLK ((uint32_t)0x40000000) #define RCC_TIM17CLK_PLLCLK ((uint32_t)0x40002000) #define RCC_TIM20CLK_PCLK ((uint32_t)0x50000000) #define RCC_TIM20CLK_PLLCLK ((uint32_t)0x50008000) #define RCC_TIM2CLK_PCLK ((uint32_t)0x60000000) #define RCC_TIM2CLK_PLLCLK ((uint32_t)0x61000000) #define RCC_TIM3TIM4CLK_PCLK ((uint32_t)0x70000000) #define RCC_TIM3TIM4CLK_PLLCLK ((uint32_t)0x72000000) #define IS_RCC_TIMCLK(TIMCLK) (((TIMCLK) == RCC_TIM1CLK_PCLK) || ((TIMCLK) == RCC_TIM1CLK_PLLCLK) || \ ((TIMCLK) == RCC_TIM8CLK_PCLK) || ((TIMCLK) == RCC_TIM8CLK_PLLCLK) || \ ((TIMCLK) == RCC_TIM15CLK_PCLK) || ((TIMCLK) == RCC_TIM15CLK_PLLCLK) || \ ((TIMCLK) == RCC_TIM16CLK_PCLK) || ((TIMCLK) == RCC_TIM16CLK_PLLCLK) || \ ((TIMCLK) == RCC_TIM17CLK_PCLK) || ((TIMCLK) == RCC_TIM17CLK_PLLCLK)|| \ ((TIMCLK) == RCC_TIM20CLK_PCLK) || ((TIMCLK) == RCC_TIM20CLK_PLLCLK)|| \ ((TIMCLK) == RCC_TIM2CLK_PCLK) || ((TIMCLK) == RCC_TIM2CLK_PLLCLK)|| \ ((TIMCLK) == RCC_TIM3TIM4CLK_PCLK) || ((TIMCLK) == RCC_TIM3TIM4CLK_PLLCLK)) /* legacy RCC_TIM_clock_source*/ #define RCC_TIM1CLK_HCLK RCC_TIM1CLK_PCLK #define RCC_TIM8CLK_HCLK RCC_TIM8CLK_PCLK #define RCC_TIM15CLK_HCLK RCC_TIM15CLK_PCLK #define RCC_TIM16CLK_HCLK RCC_TIM16CLK_PCLK #define RCC_TIM17CLK_HCLK RCC_TIM17CLK_PCLK #define RCC_TIM20CLK_HCLK RCC_TIM20CLK_PCLK #define RCC_TIM2CLK_HCLK RCC_TIM2CLK_PCLK #define RCC_TIM3CLK_HCLK RCC_TIM3TIM4CLK_PCLK #define RCC_TIM3CLK_PLLCLK RCC_TIM3TIM4CLK_PLLCLK /** * @} */ /** @defgroup RCC_HRTIM_clock_source * @{ */ #define RCC_HRTIM1CLK_HCLK ((uint32_t)0x00000000) #define RCC_HRTIM1CLK_PLLCLK RCC_CFGR3_HRTIM1SW #define IS_RCC_HRTIMCLK(HRTIMCLK) (((HRTIMCLK) == RCC_HRTIM1CLK_HCLK) || ((HRTIMCLK) == RCC_HRTIM1CLK_PLLCLK)) /** * @} */ /** @defgroup RCC_I2C_clock_source * @{ */ #define RCC_I2C1CLK_HSI ((uint32_t)0x00000000) #define RCC_I2C1CLK_SYSCLK RCC_CFGR3_I2C1SW #define RCC_I2C2CLK_HSI ((uint32_t)0x10000000) #define RCC_I2C2CLK_SYSCLK ((uint32_t)0x10000020) #define RCC_I2C3CLK_HSI ((uint32_t)0x20000000) #define RCC_I2C3CLK_SYSCLK ((uint32_t)0x20000040) #define IS_RCC_I2CCLK(I2CCLK) (((I2CCLK) == RCC_I2C1CLK_HSI) || ((I2CCLK) == RCC_I2C1CLK_SYSCLK) || \ ((I2CCLK) == RCC_I2C2CLK_HSI) || ((I2CCLK) == RCC_I2C2CLK_SYSCLK) || \ ((I2CCLK) == RCC_I2C3CLK_HSI) || ((I2CCLK) == RCC_I2C3CLK_SYSCLK)) /** * @} */ /** @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) #define RCC_USART2CLK_SYSCLK ((uint32_t)0x20010000) #define RCC_USART2CLK_LSE ((uint32_t)0x20020000) #define RCC_USART2CLK_HSI ((uint32_t)0x20030000) #define RCC_USART3CLK_PCLK ((uint32_t)0x30000000) #define RCC_USART3CLK_SYSCLK ((uint32_t)0x30040000) #define RCC_USART3CLK_LSE ((uint32_t)0x30080000) #define RCC_USART3CLK_HSI ((uint32_t)0x300C0000) #define RCC_UART4CLK_PCLK ((uint32_t)0x40000000) #define RCC_UART4CLK_SYSCLK ((uint32_t)0x40100000) #define RCC_UART4CLK_LSE ((uint32_t)0x40200000) #define RCC_UART4CLK_HSI ((uint32_t)0x40300000) #define RCC_UART5CLK_PCLK ((uint32_t)0x50000000) #define RCC_UART5CLK_SYSCLK ((uint32_t)0x50400000) #define RCC_UART5CLK_LSE ((uint32_t)0x50800000) #define RCC_UART5CLK_HSI ((uint32_t)0x50C00000) #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) || \ ((USARTCLK) == RCC_UART4CLK_PCLK) || ((USARTCLK) == RCC_UART4CLK_SYSCLK) || \ ((USARTCLK) == RCC_UART4CLK_LSE) || ((USARTCLK) == RCC_UART4CLK_HSI) || \ ((USARTCLK) == RCC_UART5CLK_PCLK) || ((USARTCLK) == RCC_UART5CLK_SYSCLK) || \ ((USARTCLK) == RCC_UART5CLK_LSE) || ((USARTCLK) == RCC_UART5CLK_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_CSS ((uint8_t)0x80) #define IS_RCC_IT(IT) ((((IT) & (uint8_t)0xC0) == 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_CSS)) #define IS_RCC_CLEAR_IT(IT) ((((IT) & (uint8_t)0x40) == 0x00) && ((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_I2S_Clock_Source * @{ */ #define RCC_I2S2CLKSource_SYSCLK ((uint8_t)0x00) #define RCC_I2S2CLKSource_Ext ((uint8_t)0x01) #define IS_RCC_I2SCLK_SOURCE(SOURCE) (((SOURCE) == RCC_I2S2CLKSource_SYSCLK) || ((SOURCE) == RCC_I2S2CLKSource_Ext)) /** @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_ADC34 RCC_AHBENR_ADC34EN #define RCC_AHBPeriph_ADC12 RCC_AHBENR_ADC12EN #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 #define RCC_AHBPeriph_GPIOF RCC_AHBENR_GPIOFEN #define RCC_AHBPeriph_GPIOG RCC_AHBENR_GPIOGEN #define RCC_AHBPeriph_GPIOH RCC_AHBENR_GPIOHEN #define RCC_AHBPeriph_TS RCC_AHBENR_TSEN #define RCC_AHBPeriph_CRC RCC_AHBENR_CRCEN #define RCC_AHBPeriph_FMC RCC_AHBENR_FMCEN #define RCC_AHBPeriph_FLITF RCC_AHBENR_FLITFEN #define RCC_AHBPeriph_SRAM RCC_AHBENR_SRAMEN #define RCC_AHBPeriph_DMA2 RCC_AHBENR_DMA2EN #define RCC_AHBPeriph_DMA1 RCC_AHBENR_DMA1EN #define IS_RCC_AHB_PERIPH(PERIPH) ((((PERIPH) & 0xCE00FF88) == 0x00) && ((PERIPH) != 0x00)) #define IS_RCC_AHB_RST_PERIPH(PERIPH) ((((PERIPH) & 0xCE00FFDF) == 0x00) && ((PERIPH) != 0x00)) /** * @} */ /** @defgroup RCC_APB2_Peripherals * @{ */ #define RCC_APB2Periph_SYSCFG RCC_APB2ENR_SYSCFGEN #define RCC_APB2Periph_TIM1 RCC_APB2ENR_TIM1EN #define RCC_APB2Periph_SPI1 RCC_APB2ENR_SPI1EN #define RCC_APB2Periph_TIM8 RCC_APB2ENR_TIM8EN #define RCC_APB2Periph_USART1 RCC_APB2ENR_USART1EN #define RCC_APB2Periph_SPI4 RCC_APB2ENR_SPI4EN #define RCC_APB2Periph_TIM15 RCC_APB2ENR_TIM15EN #define RCC_APB2Periph_TIM16 RCC_APB2ENR_TIM16EN #define RCC_APB2Periph_TIM17 RCC_APB2ENR_TIM17EN #define RCC_APB2Periph_TIM20 RCC_APB2ENR_TIM20EN #define RCC_APB2Periph_HRTIM1 RCC_APB2ENR_HRTIM1 #define IS_RCC_APB2_PERIPH(PERIPH) ((((PERIPH) & 0xDFE807FE) == 0x00) && ((PERIPH) != 0x00)) /** * @} */ /** @defgroup RCC_APB1_Peripherals * @{ */ #define RCC_APB1Periph_TIM2 RCC_APB1ENR_TIM2EN #define RCC_APB1Periph_TIM3 RCC_APB1ENR_TIM3EN #define RCC_APB1Periph_TIM4 RCC_APB1ENR_TIM4EN #define RCC_APB1Periph_TIM6 RCC_APB1ENR_TIM6EN #define RCC_APB1Periph_TIM7 RCC_APB1ENR_TIM7EN #define RCC_APB1Periph_WWDG RCC_APB1ENR_WWDGEN #define RCC_APB1Periph_SPI2 RCC_APB1ENR_SPI2EN #define RCC_APB1Periph_SPI3 RCC_APB1ENR_SPI3EN #define RCC_APB1Periph_USART2 RCC_APB1ENR_USART2EN #define RCC_APB1Periph_USART3 RCC_APB1ENR_USART3EN #define RCC_APB1Periph_UART4 RCC_APB1ENR_UART4EN #define RCC_APB1Periph_UART5 RCC_APB1ENR_UART5EN #define RCC_APB1Periph_I2C1 RCC_APB1ENR_I2C1EN #define RCC_APB1Periph_I2C2 RCC_APB1ENR_I2C2EN #define RCC_APB1Periph_USB RCC_APB1ENR_USBEN #define RCC_APB1Periph_CAN1 RCC_APB1ENR_CAN1EN #define RCC_APB1Periph_PWR RCC_APB1ENR_PWREN #define RCC_APB1Periph_DAC1 RCC_APB1ENR_DAC1EN #define RCC_APB1Periph_I2C3 RCC_APB1ENR_I2C3EN #define RCC_APB1Periph_DAC2 RCC_APB1ENR_DAC2EN #define RCC_APB1Periph_DAC RCC_APB1Periph_DAC1 #define IS_RCC_APB1_PERIPH(PERIPH) ((((PERIPH) & 0x890137C8) == 0x00) && ((PERIPH) != 0x00)) /** * @} */ /** @defgroup RCC_MCO_Clock_Source * @{ */ #define RCC_MCOSource_NoClock ((uint8_t)0x00) #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_PLLCLK ((uint8_t)0x87) #define IS_RCC_MCO_SOURCE(SOURCE) (((SOURCE) == RCC_MCOSource_NoClock) ||((SOURCE) == RCC_MCOSource_SYSCLK) ||\ ((SOURCE) == RCC_MCOSource_HSI) || ((SOURCE) == RCC_MCOSource_HSE) || \ ((SOURCE) == RCC_MCOSource_LSI) || ((SOURCE) == RCC_MCOSource_LSE) || \ ((SOURCE) == RCC_MCOSource_PLLCLK_Div2)|| ((SOURCE) == RCC_MCOSource_PLLCLK)) /** * @} */ /** @defgroup RCC_MCOPrescaler * @{ */ #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)) /** * @} */ /** @defgroup RCC_USB_Device_clock_source * @{ */ #define RCC_USBCLKSource_PLLCLK_1Div5 ((uint8_t)0x00) #define RCC_USBCLKSource_PLLCLK_Div1 ((uint8_t)0x01) #define IS_RCC_USBCLK_SOURCE(SOURCE) (((SOURCE) == RCC_USBCLKSource_PLLCLK_1Div5) || \ ((SOURCE) == RCC_USBCLKSource_PLLCLK_Div1)) /** * @} */ /** @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_MCOF ((uint8_t)0x9C) #define RCC_FLAG_LSERDY ((uint8_t)0x21) #define RCC_FLAG_LSIRDY ((uint8_t)0x41) #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 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_MCOF)) #define IS_RCC_HSI_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_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_PREDIV1Config(uint32_t RCC_PREDIV1_Div); void RCC_ClockSecuritySystemCmd(FunctionalState NewState); #ifdef STM32F303xC void RCC_MCOConfig(uint8_t RCC_MCOSource); #else void RCC_MCOConfig(uint8_t RCC_MCOSource,uint32_t RCC_MCOPrescaler); #endif /* STM32F303xC */ /* 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_PCLK1Config(uint32_t RCC_HCLK); void RCC_PCLK2Config(uint32_t RCC_HCLK); void RCC_GetClocksFreq(RCC_ClocksTypeDef* RCC_Clocks); /* Peripheral clocks configuration functions **********************************/ void RCC_ADCCLKConfig(uint32_t RCC_PLLCLK); void RCC_I2CCLKConfig(uint32_t RCC_I2CCLK); void RCC_TIMCLKConfig(uint32_t RCC_TIMCLK); void RCC_HRTIM1CLKConfig(uint32_t RCC_HRTIMCLK); void RCC_I2SCLKConfig(uint32_t RCC_I2SCLKSource); void RCC_USARTCLKConfig(uint32_t RCC_USARTCLK); void RCC_USBCLKConfig(uint32_t RCC_USBCLKSource); 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 /* __STM32F30x_RCC_H */ /** * @} */ /** * @} */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/