2101 lines
75 KiB
C
2101 lines
75 KiB
C
/**
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******************************************************************************
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* @file stm32h7xx_hal_pwr_ex.c
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* @author MCD Application Team
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* @brief Extended PWR HAL module driver.
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* This file provides firmware functions to manage the following
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* functionalities of PWR extension peripheral:
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* + Peripheral Extended features functions
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@verbatim
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==============================================================================
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##### How to use this driver #####
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==============================================================================
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[..]
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(#) Call HAL_PWREx_ConfigSupply() function to configure the regulator supply
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with the following different setups according to hardware (support SMPS):
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(+) PWR_DIRECT_SMPS_SUPPLY
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(+) PWR_SMPS_1V8_SUPPLIES_LDO
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(+) PWR_SMPS_2V5_SUPPLIES_LDO
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(+) PWR_SMPS_1V8_SUPPLIES_EXT_AND_LDO
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(+) PWR_SMPS_2V5_SUPPLIES_EXT_AND_LDO
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(+) PWR_SMPS_1V8_SUPPLIES_EXT
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(+) PWR_SMPS_2V5_SUPPLIES_EXT
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(+) PWR_LDO_SUPPLY
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(+) PWR_EXTERNAL_SOURCE_SUPPLY
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(#) Call HAL_PWREx_GetSupplyConfig() function to get the current supply setup.
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(#) Call HAL_PWREx_ControlVoltageScaling() function to configure the main
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internal regulator output voltage. The voltage scaling could be one of
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the following scales :
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(+) PWR_REGULATOR_VOLTAGE_SCALE0
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(+) PWR_REGULATOR_VOLTAGE_SCALE1
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(+) PWR_REGULATOR_VOLTAGE_SCALE2
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(+) PWR_REGULATOR_VOLTAGE_SCALE3
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(#) Call HAL_PWREx_GetVoltageRange() function to get the current output
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voltage applied to the main regulator.
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(#) Call HAL_PWREx_ControlStopModeVoltageScaling() function to configure the
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main internal regulator output voltage in STOP mode. The voltage scaling
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in STOP mode could be one of the following scales :
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(+) PWR_REGULATOR_SVOS_SCALE3
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(+) PWR_REGULATOR_SVOS_SCALE4
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(+) PWR_REGULATOR_SVOS_SCALE5
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(#) Call HAL_PWREx_GetStopModeVoltageRange() function to get the current
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output voltage applied to the main regulator in STOP mode.
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(#) Call HAL_PWREx_EnterSTOP2Mode() function to enter the system in STOP mode
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with core domain in D2STOP mode. This API is used only for STM32H7Axxx
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and STM32H7Bxxx devices.
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Please ensure to clear all CPU pending events by calling
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HAL_PWREx_ClearPendingEvent() function when trying to enter the Cortex-Mx
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in DEEP-SLEEP mode with __WFE() entry.
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(#) Call HAL_PWREx_EnterSTOPMode() function to enter the selected domain in
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DSTOP mode. Call this API with all available power domains to enter the
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system in STOP mode.
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Please ensure to clear all CPU pending events by calling
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HAL_PWREx_ClearPendingEvent() function when trying to enter the Cortex-Mx
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in DEEP-SLEEP mode with __WFE() entry.
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(#) Call HAL_PWREx_ClearPendingEvent() function always before entring the
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Cortex-Mx in any low power mode (SLEEP/DEEP-SLEEP) using WFE entry.
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(#) Call HAL_PWREx_EnterSTANDBYMode() function to enter the selected domain
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in DSTANDBY mode. Call this API with all available power domains to enter
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the system in STANDBY mode.
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(#) Call HAL_PWREx_ConfigD3Domain() function to setup the D3/SRD domain state
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(RUN/STOP) when the system enter to low power mode.
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(#) Call HAL_PWREx_ClearDomainFlags() function to clear the CPU flags for the
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selected power domain. This API is used only for dual core devices.
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(#) Call HAL_PWREx_HoldCore() and HAL_PWREx_ReleaseCore() functions to hold
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and release the selected CPU and and their domain peripherals when
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exiting STOP mode. These APIs are used only for dual core devices.
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(#) Call HAL_PWREx_EnableFlashPowerDown() and
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HAL_PWREx_DisableFlashPowerDown() functions to enable and disable the
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Flash Power Down in STOP mode.
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(#) Call HAL_PWREx_EnableMemoryShutOff() and
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HAL_PWREx_DisableMemoryShutOff() functions to enable and disable the
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memory block shut-off in DStop or DStop2. These APIs are used only for
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STM32H7Axxx and STM32H7Bxxx lines.
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(#) Call HAL_PWREx_EnableWakeUpPin() and HAL_PWREx_DisableWakeUpPin()
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functions to enable and disable the Wake-up pin functionality for
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the selected pin.
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(#) Call HAL_PWREx_GetWakeupFlag() and HAL_PWREx_ClearWakeupFlag()
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functions to manage wake-up flag for the selected pin.
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(#) Call HAL_PWREx_WAKEUP_PIN_IRQHandler() function to handle all wake-up
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pins interrupts.
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(#) Call HAL_PWREx_EnableBkUpReg() and HAL_PWREx_DisableBkUpReg() functions
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to enable and disable the backup domain regulator.
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(#) Call HAL_PWREx_EnableUSBReg(), HAL_PWREx_DisableUSBReg(),
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HAL_PWREx_EnableUSBVoltageDetector() and
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HAL_PWREx_DisableUSBVoltageDetector() functions to manage USB power
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regulation functionnalities.
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(#) Call HAL_PWREx_EnableBatteryCharging() and
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HAL_PWREx_DisableBatteryCharging() functions to enable and disable the
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battery charging feature with the selected resistor.
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(#) Call HAL_PWREx_EnableAnalogBooster() and
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HAL_PWREx_DisableAnalogBooster() functions to enable and disable the
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AVD boost feature when the VDD supply voltage is below 2V7.
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(#) Call HAL_PWREx_EnableMonitoring() and HAL_PWREx_DisableMonitoring()
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functions to enable and disable the VBAT and Temperature monitoring.
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When VBAT and Temperature monitoring feature is enables, use
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HAL_PWREx_GetTemperatureLevel() and HAL_PWREx_GetVBATLevel() to get
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respectively the Temperature level and VBAT level.
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(#) Call HAL_PWREx_GetMMCVoltage() and HAL_PWREx_DisableMonitoring()
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function to get VDDMMC voltage level. This API is used only for
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STM32H7AxxQ, STM32H7BxxQ, STM32H7Axxx and STM32H7Bxxx lines
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(#) Call HAL_PWREx_ConfigAVD() after setting parameter to be configured
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(event mode and voltage threshold) in order to set up the Analog Voltage
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Detector then use HAL_PWREx_EnableAVD() and HAL_PWREx_DisableAVD()
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functions to start and stop the AVD detection.
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(+) AVD level could be one of the following values :
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(++) 1V7
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(++) 2V1
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(++) 2V5
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(++) 2V8
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(#) Call HAL_PWREx_PVD_AVD_IRQHandler() function to handle the PWR PVD and
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AVD interrupt request.
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@endverbatim
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******************************************************************************
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* @attention
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*
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* <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "stm32h7xx_hal.h"
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/** @addtogroup STM32H7xx_HAL_Driver
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* @{
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*/
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/** @defgroup PWREx PWREx
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* @brief PWR Extended HAL module driver
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* @{
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*/
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#ifdef HAL_PWR_MODULE_ENABLED
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/* Private typedef -----------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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/** @addtogroup PWREx_Private_Constants
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* @{
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*/
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/** @defgroup PWREx_AVD_Mode_Mask PWR Extended AVD Mode Mask
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* @{
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*/
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#define AVD_MODE_IT (0x00010000U)
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#define AVD_MODE_EVT (0x00020000U)
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#define AVD_RISING_EDGE (0x00000001U)
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#define AVD_FALLING_EDGE (0x00000002U)
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#define AVD_RISING_FALLING_EDGE (0x00000003U)
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/**
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* @}
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*/
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/** @defgroup PWREx_REG_SET_TIMEOUT PWR Extended Flag Setting Time Out Value
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* @{
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*/
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#define PWR_FLAG_SETTING_DELAY (1000U)
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/**
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* @}
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*/
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/** @defgroup PWREx_WakeUp_Pins_Offsets PWREx Wake-Up Pins masks and offsets
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* @{
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*/
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/* Wake-Up Pins EXTI register mask */
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#define PWR_EXTI_WAKEUP_PINS_MASK (EXTI_IMR2_IM55 | EXTI_IMR2_IM56 |\
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EXTI_IMR2_IM57 | EXTI_IMR2_IM58 |\
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EXTI_IMR2_IM59 | EXTI_IMR2_IM60)
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/* Wake-Up Pins PWR Pin Pull shift offsets */
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#define PWR_WAKEUP_PINS_PULL_SHIFT_OFFSET (2U)
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/**
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* @}
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*/
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/**
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* @}
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*/
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/* Private macro -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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/* Private function prototypes -----------------------------------------------*/
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/* Private functions ---------------------------------------------------------*/
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/* Exported types ------------------------------------------------------------*/
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/* Exported functions --------------------------------------------------------*/
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/** @defgroup PWREx_Exported_Functions PWREx Exported Functions
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* @{
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*/
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/** @defgroup PWREx_Exported_Functions_Group1 Power Supply Control Functions
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* @brief Power supply control functions
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*
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@verbatim
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===============================================================================
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##### Power supply control functions #####
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===============================================================================
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[..]
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(#) When the system is powered on, the POR monitors VDD supply. Once VDD is
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above the POR threshold level, the voltage regulator is enabled in the
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default supply configuration:
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(+) The Voltage converter output level is set at 1V0 in accordance with
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the VOS3 level configured in PWR (D3/SRD) domain control register
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(PWR_D3CR/PWR_SRDCR).
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(+) The system is kept in reset mode as long as VCORE is not ok.
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(+) Once VCORE is ok, the system is taken out of reset and the HSI
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oscillator is enabled.
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(+) Once the oscillator is stable, the system is initialized: Flash memory
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and option bytes are loaded and the CPU starts in Run* mode.
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(+) The software shall then initialize the system including supply
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configuration programming using the HAL_PWREx_ConfigSupply().
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(+) Once the supply configuration has been configured, the
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HAL_PWREx_ConfigSupply() function checks the ACTVOSRDY bit in PWR
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control status register 1 (PWR_CSR1) to guarantee a valid voltage
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levels:
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(++) As long as ACTVOSRDY indicates that voltage levels are invalid, the
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system is in limited Run* mode, write accesses to the RAMs are not
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permitted and VOS shall not be changed.
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(++) Once ACTVOSRDY indicates that voltage levels are valid, the system
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is in normal Run mode, write accesses to RAMs are allowed and VOS
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can be changed.
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@endverbatim
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* @{
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*/
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/**
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* @brief Configure the system Power Supply.
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* @param SupplySource : Specifies the Power Supply source to set after a
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* system startup.
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* This parameter can be one of the following values :
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* @arg PWR_DIRECT_SMPS_SUPPLY : The SMPS supplies the Vcore Power
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* Domains. The LDO is Bypassed.
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* @arg PWR_SMPS_1V8_SUPPLIES_LDO : The SMPS 1.8V output supplies
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* the LDO. The Vcore Power Domains
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* are supplied from the LDO.
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* @arg PWR_SMPS_2V5_SUPPLIES_LDO : The SMPS 2.5V output supplies
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* the LDO. The Vcore Power Domains
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* are supplied from the LDO.
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* @arg PWR_SMPS_1V8_SUPPLIES_EXT_AND_LDO : The SMPS 1.8V output
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* supplies external
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* circuits and the LDO.
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* The Vcore Power Domains
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* are supplied from the
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* LDO.
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* @arg PWR_SMPS_2V5_SUPPLIES_EXT_AND_LDO : The SMPS 2.5V output
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* supplies external
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* circuits and the LDO.
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* The Vcore Power Domains
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* are supplied from the
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* LDO.
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* @arg PWR_SMPS_1V8_SUPPLIES_EXT : The SMPS 1.8V output supplies
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* external circuits. The LDO is
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* Bypassed. The Vcore Power
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* Domains are supplied from
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* external source.
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* @arg PWR_SMPS_2V5_SUPPLIES_EXT : The SMPS 2.5V output supplies
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* external circuits. The LDO is
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* Bypassed. The Vcore Power
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* Domains are supplied from
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* external source.
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* @arg PWR_LDO_SUPPLY : The LDO regulator supplies the Vcore Power
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* Domains. The SMPS regulator is Bypassed.
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* @arg PWR_EXTERNAL_SOURCE_SUPPLY : The SMPS and the LDO are
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* Bypassed. The Vcore Power
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* Domains are supplied from
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* external source.
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* @note The PWR_LDO_SUPPLY and PWR_EXTERNAL_SOURCE_SUPPLY are used by all
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* H7 lines.
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* The PWR_DIRECT_SMPS_SUPPLY, PWR_SMPS_1V8_SUPPLIES_LDO,
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* PWR_SMPS_2V5_SUPPLIES_LDO, PWR_SMPS_1V8_SUPPLIES_EXT_AND_LDO,
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* PWR_SMPS_2V5_SUPPLIES_EXT_AND_LDO, PWR_SMPS_1V8_SUPPLIES_EXT and
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* PWR_SMPS_2V5_SUPPLIES_EXT are used only for lines that supports SMPS
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* regulator.
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* @retval HAL status.
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*/
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HAL_StatusTypeDef HAL_PWREx_ConfigSupply (uint32_t SupplySource)
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{
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uint32_t tickstart;
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/* Check the parameters */
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assert_param (IS_PWR_SUPPLY (SupplySource));
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/* Check if supply source was configured */
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#if defined (PWR_FLAG_SCUEN)
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if (__HAL_PWR_GET_FLAG (PWR_FLAG_SCUEN) == 0U)
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#else
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if ((PWR->CR3 & (PWR_CR3_SMPSEN | PWR_CR3_LDOEN | PWR_CR3_BYPASS)) != (PWR_CR3_SMPSEN | PWR_CR3_LDOEN))
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#endif /* defined (PWR_FLAG_SCUEN) */
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{
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/* Check supply configuration */
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if ((PWR->CR3 & PWR_SUPPLY_CONFIG_MASK) != SupplySource)
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{
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/* Supply configuration update locked, can't apply a new supply config */
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return HAL_ERROR;
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}
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else
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{
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/* Supply configuration update locked, but new supply configuration
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matches with old supply configuration : nothing to do
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*/
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return HAL_OK;
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}
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}
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/* Set the power supply configuration */
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MODIFY_REG (PWR->CR3, PWR_SUPPLY_CONFIG_MASK, SupplySource);
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/* Get tick */
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tickstart = HAL_GetTick ();
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/* Wait till voltage level flag is set */
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while (__HAL_PWR_GET_FLAG (PWR_FLAG_ACTVOSRDY) == 0U)
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{
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if ((HAL_GetTick () - tickstart) > PWR_FLAG_SETTING_DELAY)
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{
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return HAL_ERROR;
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}
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}
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#if defined (SMPS)
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/* When the SMPS supplies external circuits verify that SDEXTRDY flag is set */
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if ((SupplySource == PWR_SMPS_1V8_SUPPLIES_EXT_AND_LDO) ||
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(SupplySource == PWR_SMPS_2V5_SUPPLIES_EXT_AND_LDO) ||
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(SupplySource == PWR_SMPS_1V8_SUPPLIES_EXT) ||
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(SupplySource == PWR_SMPS_2V5_SUPPLIES_EXT))
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{
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/* Get the current tick number */
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tickstart = HAL_GetTick ();
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/* Wait till SMPS external supply ready flag is set */
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while (__HAL_PWR_GET_FLAG (PWR_FLAG_SMPSEXTRDY) == 0U)
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{
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if ((HAL_GetTick () - tickstart) > PWR_FLAG_SETTING_DELAY)
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{
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return HAL_ERROR;
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}
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}
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}
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#endif /* defined (SMPS) */
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return HAL_OK;
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}
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/**
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* @brief Get the power supply configuration.
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* @retval The supply configuration.
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*/
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uint32_t HAL_PWREx_GetSupplyConfig (void)
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{
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return (PWR->CR3 & PWR_SUPPLY_CONFIG_MASK);
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}
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/**
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* @brief Configure the main internal regulator output voltage.
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* @note For STM32H7x3, STM32H7x5, STM32H7x7, STM32H742 and STM32H750 lines,
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* configuring Voltage Scale 0 is only possible when Vcore is supplied
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* from LDO (Low DropOut). The SYSCFG Clock must be enabled through
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* __HAL_RCC_SYSCFG_CLK_ENABLE() macro before configuring Voltage
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* Scale 0.
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* @param VoltageScaling : Specifies the regulator output voltage to achieve
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* a tradeoff between performance and power
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* consumption.
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* This parameter can be one of the following values :
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* @arg PWR_REGULATOR_VOLTAGE_SCALE0 : Regulator voltage output
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* Scale 0 mode.
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* @arg PWR_REGULATOR_VOLTAGE_SCALE1 : Regulator voltage output
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* range 1 mode.
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* @arg PWR_REGULATOR_VOLTAGE_SCALE2 : Regulator voltage output
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* range 2 mode.
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* @arg PWR_REGULATOR_VOLTAGE_SCALE3 : Regulator voltage output
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* range 3 mode.
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* @retval HAL Status
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*/
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HAL_StatusTypeDef HAL_PWREx_ControlVoltageScaling (uint32_t VoltageScaling)
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{
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uint32_t tickstart;
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/* Check the parameters */
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assert_param (IS_PWR_REGULATOR_VOLTAGE (VoltageScaling));
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/* Get the voltage scaling */
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if ((PWR->CSR1 & PWR_CSR1_ACTVOS) == VoltageScaling)
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{
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/* Old and new voltage scaling configuration match : nothing to do */
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return HAL_OK;
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}
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#if defined (PWR_SRDCR_VOS)
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/* Set the voltage range */
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MODIFY_REG (PWR->SRDCR, PWR_SRDCR_VOS, VoltageScaling);
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#else
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if (VoltageScaling == PWR_REGULATOR_VOLTAGE_SCALE0)
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{
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if ((PWR->CR3 & PWR_CR3_LDOEN) == PWR_CR3_LDOEN)
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{
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/* Set the voltage range */
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MODIFY_REG (PWR->D3CR, PWR_D3CR_VOS, PWR_REGULATOR_VOLTAGE_SCALE1);
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/* Get tick */
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tickstart = HAL_GetTick ();
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/* Wait till voltage level flag is set */
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while (__HAL_PWR_GET_FLAG (PWR_FLAG_ACTVOSRDY) == 0U)
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{
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if ((HAL_GetTick () - tickstart) > PWR_FLAG_SETTING_DELAY)
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{
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return HAL_ERROR;
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}
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}
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/* Enable the PWR overdrive */
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SET_BIT (SYSCFG->PWRCR, SYSCFG_PWRCR_ODEN);
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}
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else
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{
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/* The voltage scale 0 is only possible when LDO regulator is enabled */
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return HAL_ERROR;
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}
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}
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else
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{
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if ((PWR->CSR1 & PWR_CSR1_ACTVOS) == PWR_REGULATOR_VOLTAGE_SCALE1)
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{
|
|
if ((SYSCFG->PWRCR & SYSCFG_PWRCR_ODEN) != 0U)
|
|
{
|
|
/* Disable the PWR overdrive */
|
|
CLEAR_BIT(SYSCFG->PWRCR, SYSCFG_PWRCR_ODEN);
|
|
|
|
/* Get tick */
|
|
tickstart = HAL_GetTick ();
|
|
|
|
/* Wait till voltage level flag is set */
|
|
while (__HAL_PWR_GET_FLAG (PWR_FLAG_ACTVOSRDY) == 0U)
|
|
{
|
|
if ((HAL_GetTick () - tickstart) > PWR_FLAG_SETTING_DELAY)
|
|
{
|
|
return HAL_ERROR;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Set the voltage range */
|
|
MODIFY_REG (PWR->D3CR, PWR_D3CR_VOS, VoltageScaling);
|
|
}
|
|
#endif /* defined (PWR_SRDCR_VOS) */
|
|
|
|
/* Get tick */
|
|
tickstart = HAL_GetTick ();
|
|
|
|
/* Wait till voltage level flag is set */
|
|
while (__HAL_PWR_GET_FLAG (PWR_FLAG_ACTVOSRDY) == 0U)
|
|
{
|
|
if ((HAL_GetTick() - tickstart) > PWR_FLAG_SETTING_DELAY)
|
|
{
|
|
return HAL_ERROR;
|
|
}
|
|
}
|
|
|
|
return HAL_OK;
|
|
}
|
|
|
|
/**
|
|
* @brief Get the main internal regulator output voltage. Reflecting the last
|
|
* VOS value applied to the PMU.
|
|
* @retval The current applied VOS selection.
|
|
*/
|
|
uint32_t HAL_PWREx_GetVoltageRange (void)
|
|
{
|
|
/* Get the active voltage scaling */
|
|
return (PWR->CSR1 & PWR_CSR1_ACTVOS);
|
|
}
|
|
|
|
/**
|
|
* @brief Configure the main internal regulator output voltage in STOP mode.
|
|
* @param VoltageScaling : Specifies the regulator output voltage when the
|
|
* system enters Stop mode to achieve a tradeoff between performance
|
|
* and power consumption.
|
|
* This parameter can be one of the following values:
|
|
* @arg PWR_REGULATOR_SVOS_SCALE3 : Regulator voltage output range
|
|
* 3 mode.
|
|
* @arg PWR_REGULATOR_SVOS_SCALE4 : Regulator voltage output range
|
|
* 4 mode.
|
|
* @arg PWR_REGULATOR_SVOS_SCALE5 : Regulator voltage output range
|
|
* 5 mode.
|
|
* @note The Stop mode voltage scaling for SVOS4 and SVOS5 sets the voltage
|
|
* regulator in Low-power (LP) mode to further reduce power consumption.
|
|
* When preselecting SVOS3, the use of the voltage regulator low-power
|
|
* mode (LP) can be selected by LPDS register bit.
|
|
* @note The selected SVOS4 and SVOS5 levels add an additional startup delay
|
|
* when exiting from system Stop mode.
|
|
* @retval HAL Status.
|
|
*/
|
|
HAL_StatusTypeDef HAL_PWREx_ControlStopModeVoltageScaling (uint32_t VoltageScaling)
|
|
{
|
|
/* Check the parameters */
|
|
assert_param (IS_PWR_STOP_MODE_REGULATOR_VOLTAGE (VoltageScaling));
|
|
|
|
/* Return the stop mode voltage range */
|
|
MODIFY_REG (PWR->CR1, PWR_CR1_SVOS, VoltageScaling);
|
|
|
|
return HAL_OK;
|
|
}
|
|
|
|
/**
|
|
* @brief Get the main internal regulator output voltage in STOP mode.
|
|
* @retval The actual applied VOS selection.
|
|
*/
|
|
uint32_t HAL_PWREx_GetStopModeVoltageRange (void)
|
|
{
|
|
/* Return the stop voltage scaling */
|
|
return (PWR->CR1 & PWR_CR1_SVOS);
|
|
}
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/** @defgroup PWREx_Exported_Functions_Group2 Low Power Control Functions
|
|
* @brief Low power control functions
|
|
*
|
|
@verbatim
|
|
===============================================================================
|
|
##### Low power control functions #####
|
|
===============================================================================
|
|
|
|
*** Domains Low Power modes configuration ***
|
|
=============================================
|
|
[..]
|
|
This section provides the extended low power mode control APIs.
|
|
The system presents 3 principles domains (D1, D2 and D3) that can be
|
|
operated in low-power modes (DSTOP or DSTANDBY mode):
|
|
|
|
(+) DSTOP mode to enters a domain to STOP mode:
|
|
(++) D1 domain and/or D2 domain enters DSTOP mode only when the CPU
|
|
subsystem is in CSTOP mode and has allocated peripheral in the
|
|
domain.
|
|
In DSTOP mode the domain bus matrix clock is stopped.
|
|
(++) The system enters STOP mode using one of the following scenarios:
|
|
(+++) D1 domain enters DSTANDBY mode (powered off) and D2, D3 domains
|
|
enter DSTOP mode.
|
|
(+++) D2 domain enters DSTANDBY mode (powered off) and D1, D3 domains
|
|
enter DSTOP mode.
|
|
(+++) D3 domain enters DSTANDBY mode (powered off) and D1, D2 domains
|
|
enter DSTOP mode.
|
|
(+++) D1 and D2 domains enter DSTANDBY mode (powered off) and D3 domain
|
|
enters DSTOP mode.
|
|
(+++) D1 and D3 domains enter DSTANDBY mode (powered off) and D2 domain
|
|
enters DSTOP mode.
|
|
(+++) D2 and D3 domains enter DSTANDBY mode (powered off) and D1 domain
|
|
enters DSTOP mode.
|
|
(+++) D1, D2 and D3 domains enter DSTOP mode.
|
|
(++) When the system enters STOP mode, the clocks are stopped and the
|
|
regulator is running in main or low power mode.
|
|
(++) D3 domain can be kept in Run mode regardless of the CPU status when
|
|
enter STOP mode by using HAL_PWREx_ConfigD3Domain(D3State) function.
|
|
|
|
(+) DSTANDBY mode to enters a domain to STANDBY mode:
|
|
(++) The DSTANDBY mode is entered when the PDDS_Dn bit in PWR CPU control
|
|
register (PWR_CPUCR) for the Dn domain selects Standby mode.
|
|
(++) The system enters STANDBY mode only when D1, D2 and D3 domains enter
|
|
DSTANDBY mode. Consequently the VCORE supply regulator is powered
|
|
off.
|
|
|
|
*** DSTOP mode ***
|
|
==================
|
|
[..]
|
|
In DStop mode the domain bus matrix clock is stopped.
|
|
The Flash memory can enter low-power Stop mode when it is enabled through
|
|
FLPS in PWR_CR1 register. This allows a trade-off between domain DStop
|
|
restart time and low power consumption.
|
|
[..]
|
|
In DStop mode domain peripherals using the LSI or LSE clock and
|
|
peripherals having a kernel clock request are still able to operate.
|
|
[..]
|
|
Before entering DSTOP mode it is recommended to call SCB_CleanDCache
|
|
function in order to clean the D-Cache and guarantee the data integrity
|
|
for the SRAM memories.
|
|
|
|
(+) Entry:
|
|
The DSTOP mode is entered using the HAL_PWREx_EnterSTOPMode(Regulator,
|
|
STOPEntry, Domain) function with:
|
|
(++) Regulator:
|
|
(+++) PWR_MAINREGULATOR_ON : Main regulator ON.
|
|
(+++) PWR_LOWPOWERREGULATOR_ON : Low Power regulator ON.
|
|
(++) STOPEntry:
|
|
(+++) PWR_STOPENTRY_WFI : enter STOP mode with WFI instruction
|
|
(+++) PWR_STOPENTRY_WFE : enter STOP mode with WFE instruction
|
|
(++) Domain:
|
|
(+++) PWR_D1_DOMAIN : Enters D1 domain to DSTOP mode.
|
|
(+++) PWR_D2_DOMAIN : Enters D2 domain to DSTOP mode.
|
|
(+++) PWR_D3_DOMAIN : Enters D3 domain to DSTOP mode.
|
|
|
|
(+) Exit:
|
|
Any EXTI Line (Internal or External) configured in Interrupt/Event mode.
|
|
|
|
*** DSTANDBY mode ***
|
|
=====================
|
|
[..]
|
|
In DStandby mode:
|
|
(+) The domain bus matrix clock is stopped.
|
|
(+) The domain is powered down and the domain RAM and register contents
|
|
are lost.
|
|
[..]
|
|
Before entering DSTANDBY mode it is recommended to call SCB_CleanDCache
|
|
function in order to clean the D-Cache and guarantee the data integrity
|
|
for the SRAM memories.
|
|
|
|
(+) Entry:
|
|
The DSTANDBY mode is entered using the HAL_PWREx_EnterSTANDBYMode
|
|
(Domain) function with:
|
|
(++) Domain:
|
|
(+++) PWR_D1_DOMAIN : Enters D1 domain to DSTANDBY mode.
|
|
(+++) PWR_D2_DOMAIN : Enters D2 domain to DSTANDBY mode.
|
|
(+++) PWR_D3_DOMAIN : Enters D3 domain to DSTANDBY mode.
|
|
|
|
(+) Exit:
|
|
WKUP pin rising or falling edge, RTC alarm (Alarm A and Alarm B), RTC
|
|
wakeup, tamper event, time stamp event, external reset in NRST pin,
|
|
IWDG reset.
|
|
|
|
*** Keep D3/SRD in RUN mode ***
|
|
===============================
|
|
[..]
|
|
D3/SRD domain can be kept in Run mode regardless of the CPU status when
|
|
entering STOP mode by using HAL_PWREx_ConfigD3Domain(D3State) function
|
|
with :
|
|
(+) D3State:
|
|
(++) PWR_D3_DOMAIN_STOP : D3/SDR domain follows the CPU sub-system
|
|
mode.
|
|
(++) PWR_D3_DOMAIN_RUN : D3/SRD domain remains in Run mode regardless
|
|
of CPU subsystem mode.
|
|
|
|
*** FLASH Power Down configuration ****
|
|
=======================================
|
|
[..]
|
|
By setting the FLPS bit in the PWR_CR1 register using the
|
|
HAL_PWREx_EnableFlashPowerDown() function, the Flash memory also enters
|
|
power down mode when the device enters STOP mode. When the Flash memory is
|
|
in power down mode, an additional startup delay is incurred when waking up
|
|
from STOP mode.
|
|
|
|
*** Wakeup Pins configuration ****
|
|
===================================
|
|
[..]
|
|
Wakeup pins allow the system to exit from Standby mode. The configuration
|
|
of wakeup pins is done with the HAL_PWREx_EnableWakeUpPin(sPinParams)
|
|
function with:
|
|
(+) sPinParams: structure to enable and configure a wakeup pin:
|
|
(++) WakeUpPin: Wakeup pin to be enabled.
|
|
(++) PinPolarity: Wakeup pin polarity (rising or falling edge).
|
|
(++) PinPull: Wakeup pin pull (no pull, pull-up or pull-down).
|
|
[..]
|
|
The wakeup pins are internally connected to the EXTI lines [55-60] to
|
|
generate an interrupt if enabled. The EXTI lines configuration is done by
|
|
the HAL_EXTI_Dx_EventInputConfig() functions defined in the stm32h7xxhal.c
|
|
file.
|
|
[..]
|
|
When a wakeup pin event is received the HAL_PWREx_WAKEUP_PIN_IRQHandler is
|
|
called and the appropriate flag is set in the PWR_WKUPFR register. Then in
|
|
the HAL_PWREx_WAKEUP_PIN_IRQHandler function the wakeup pin flag will be
|
|
cleared and the appropriate user callback will be called. The user can add
|
|
his own code by customization of function pointer HAL_PWREx_WKUPx_Callback.
|
|
|
|
@endverbatim
|
|
* @{
|
|
*/
|
|
|
|
#if defined (PWR_CPUCR_RETDS_CD)
|
|
/**
|
|
* @brief Enter the system to STOP mode with main domain in DSTOP2.
|
|
* @note In STOP mode, the domain bus matrix clock is stalled.
|
|
* @note In STOP mode, memories and registers are maintained and peripherals
|
|
* in CPU domain are no longer operational.
|
|
* @note All clocks in the VCORE domain are stopped, the PLL, the HSI and the
|
|
* HSE oscillators are disabled. Only Peripherals that have wakeup
|
|
* capability can switch on the HSI to receive a frame, and switch off
|
|
* the HSI after receiving the frame if it is not a wakeup frame. In
|
|
* this case the HSI clock is propagated only to the peripheral
|
|
* requesting it.
|
|
* @note When exiting STOP mode by issuing an interrupt or a wakeup event,
|
|
* the HSI RC oscillator is selected as system clock if STOPWUCK bit in
|
|
* RCC_CFGR register is set.
|
|
* @param Regulator : Specifies the regulator state in STOP mode.
|
|
* This parameter can be one of the following values:
|
|
* @arg PWR_MAINREGULATOR_ON : STOP mode with regulator ON.
|
|
* @arg PWR_LOWPOWERREGULATOR_ON : STOP mode with low power
|
|
* regulator ON.
|
|
* @param STOPEntry : Specifies if STOP mode in entered with WFI or WFE
|
|
* intrinsic 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.
|
|
* @retval None.
|
|
*/
|
|
void HAL_PWREx_EnterSTOP2Mode (uint32_t Regulator, uint8_t STOPEntry)
|
|
{
|
|
/* Check the parameters */
|
|
assert_param (IS_PWR_REGULATOR (Regulator));
|
|
assert_param (IS_PWR_STOP_ENTRY (STOPEntry));
|
|
|
|
/* Select the regulator state in Stop mode */
|
|
MODIFY_REG (PWR->CR1, PWR_CR1_LPDS, Regulator);
|
|
|
|
/* Go to DStop2 mode (deep retention) when CPU domain enters Deepsleep */
|
|
SET_BIT (PWR->CPUCR, PWR_CPUCR_RETDS_CD);
|
|
|
|
/* Keep DSTOP mode when SmartRun domain enters Deepsleep */
|
|
CLEAR_BIT (PWR->CPUCR, PWR_CPUCR_PDDS_SRD);
|
|
|
|
/* Set SLEEPDEEP bit of Cortex System Control Register */
|
|
SET_BIT (SCB->SCR, SCB_SCR_SLEEPDEEP_Msk);
|
|
|
|
/* Ensure that all instructions are done before entering STOP mode */
|
|
__ISB ();
|
|
__DSB ();
|
|
|
|
/* Select Stop mode entry */
|
|
if (STOPEntry == PWR_STOPENTRY_WFI)
|
|
{
|
|
/* Request Wait For Interrupt */
|
|
__WFI ();
|
|
}
|
|
else
|
|
{
|
|
/* Request Wait For Event */
|
|
__WFE ();
|
|
}
|
|
|
|
/* Clear SLEEPDEEP bit of Cortex-Mx in the System Control Register */
|
|
CLEAR_BIT (SCB->SCR, SCB_SCR_SLEEPDEEP_Msk);
|
|
}
|
|
#endif /* defined (PWR_CPUCR_RETDS_CD) */
|
|
|
|
/**
|
|
* @brief Enter a Domain to DSTOP mode.
|
|
* @note This API gives flexibility to manage independently each domain STOP
|
|
* mode. For dual core lines, this API should be executed with the
|
|
* corresponding Cortex-Mx to enter domain to DSTOP mode. When it is
|
|
* executed by all available Cortex-Mx, the system enter to STOP mode.
|
|
* For single core lines, calling this API with domain parameter set to
|
|
* PWR_D1_DOMAIN (D1/CD), the whole system will enter in STOP mode
|
|
* independently of PWR_CPUCR_PDDS_Dx bits values if RUN_D3 bit in the
|
|
* CPUCR_RUN_D3 is cleared.
|
|
* @note In DStop mode the domain bus matrix clock is stopped.
|
|
* @note The system D3/SRD domain enter Stop mode only when the CPU subsystem
|
|
* is in CStop mode, the EXTI wakeup sources are inactive and at least
|
|
* one PDDS_Dn bit in PWR CPU control register (PWR_CPUCR) for
|
|
* any domain request Stop.
|
|
* @note Before entering DSTOP mode it is recommended to call SCB_CleanDCache
|
|
* function in order to clean the D-Cache and guarantee the data
|
|
* integrity for the SRAM memories.
|
|
* @note In System Stop mode, the domain peripherals that use the LSI or LSE
|
|
* clock, and the peripherals that have a kernel clock request to
|
|
* select HSI or CSI as source, are still able to operate.
|
|
* @param Regulator : Specifies the regulator state in STOP mode.
|
|
* This parameter can be one of the following values:
|
|
* @arg PWR_MAINREGULATOR_ON : STOP mode with regulator ON.
|
|
* @arg PWR_LOWPOWERREGULATOR_ON : STOP mode with low power
|
|
* regulator ON.
|
|
* @param STOPEntry : Specifies if STOP mode in entered with WFI or WFE
|
|
* intrinsic 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.
|
|
* @param Domain : Specifies the Domain to enter in DSTOP mode.
|
|
* This parameter can be one of the following values:
|
|
* @arg PWR_D1_DOMAIN : Enter D1/CD Domain to DSTOP mode.
|
|
* @arg PWR_D2_DOMAIN : Enter D2 Domain to DSTOP mode.
|
|
* @arg PWR_D3_DOMAIN : Enter D3/SRD Domain to DSTOP mode.
|
|
* @retval None.
|
|
*/
|
|
void HAL_PWREx_EnterSTOPMode (uint32_t Regulator, uint8_t STOPEntry, uint32_t Domain)
|
|
{
|
|
/* Check the parameters */
|
|
assert_param (IS_PWR_REGULATOR (Regulator));
|
|
assert_param (IS_PWR_STOP_ENTRY (STOPEntry));
|
|
assert_param (IS_PWR_DOMAIN (Domain));
|
|
|
|
/* Select the regulator state in Stop mode */
|
|
MODIFY_REG (PWR->CR1, PWR_CR1_LPDS, Regulator);
|
|
|
|
/* Select the domain Power Down DeepSleep */
|
|
if (Domain == PWR_D1_DOMAIN)
|
|
{
|
|
#if defined (DUAL_CORE)
|
|
/* Check current core */
|
|
if (HAL_GetCurrentCPUID () != CM7_CPUID)
|
|
{
|
|
/*
|
|
When the domain selected and the cortex-mx don't match, entering stop
|
|
mode will not be performed
|
|
*/
|
|
return;
|
|
}
|
|
#endif /* defined (DUAL_CORE) */
|
|
|
|
/* Keep DSTOP mode when D1/CD domain enters Deepsleep */
|
|
CLEAR_BIT (PWR->CPUCR, PWR_CPUCR_PDDS_D1);
|
|
|
|
/* Set SLEEPDEEP bit of Cortex System Control Register */
|
|
SET_BIT (SCB->SCR, SCB_SCR_SLEEPDEEP_Msk);
|
|
|
|
/* Ensure that all instructions are done before entering STOP mode */
|
|
__DSB ();
|
|
__ISB ();
|
|
|
|
/* Select Stop mode entry */
|
|
if (STOPEntry == PWR_STOPENTRY_WFI)
|
|
{
|
|
/* Request Wait For Interrupt */
|
|
__WFI ();
|
|
}
|
|
else
|
|
{
|
|
/* Request Wait For Event */
|
|
__WFE ();
|
|
}
|
|
|
|
/* Clear SLEEPDEEP bit of Cortex-Mx in the System Control Register */
|
|
CLEAR_BIT (SCB->SCR, SCB_SCR_SLEEPDEEP_Msk);
|
|
}
|
|
#if defined (PWR_CPUCR_PDDS_D2)
|
|
else if (Domain == PWR_D2_DOMAIN)
|
|
{
|
|
/* Keep DSTOP mode when D2 domain enters Deepsleep */
|
|
CLEAR_BIT (PWR->CPUCR, PWR_CPUCR_PDDS_D2);
|
|
|
|
#if defined (DUAL_CORE)
|
|
/* Check current core */
|
|
if (HAL_GetCurrentCPUID () != CM4_CPUID)
|
|
{
|
|
/*
|
|
When the domain selected and the cortex-mx don't match, entering stop
|
|
mode will not be performed
|
|
*/
|
|
return;
|
|
}
|
|
|
|
/* Set SLEEPDEEP bit of Cortex System Control Register */
|
|
SET_BIT (SCB->SCR, SCB_SCR_SLEEPDEEP_Msk);
|
|
|
|
/* Ensure that all instructions are done before entering STOP mode */
|
|
__DSB ();
|
|
__ISB ();
|
|
|
|
/* Select Stop mode entry */
|
|
if (STOPEntry == PWR_STOPENTRY_WFI)
|
|
{
|
|
/* Request Wait For Interrupt */
|
|
__WFI ();
|
|
}
|
|
else
|
|
{
|
|
/* Request Wait For Event */
|
|
__WFE ();
|
|
}
|
|
|
|
/* Clear SLEEPDEEP bit of Cortex-Mx in the System Control Register */
|
|
CLEAR_BIT (SCB->SCR, SCB_SCR_SLEEPDEEP_Msk);
|
|
#endif /* defined (DUAL_CORE) */
|
|
}
|
|
#endif /* defined (PWR_CPUCR_PDDS_D2) */
|
|
else
|
|
{
|
|
/* Keep DSTOP mode when D3/SRD domain enters Deepsleep */
|
|
CLEAR_BIT (PWR->CPUCR, PWR_CPUCR_PDDS_D3);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief Clear pending event.
|
|
* @note This API clears the pending event in order to enter a given CPU
|
|
* to CSLEEP or CSTOP. It should be called just before APIs performing
|
|
* enter low power mode using Wait For Event request.
|
|
* @retval None.
|
|
*/
|
|
void HAL_PWREx_ClearPendingEvent (void)
|
|
{
|
|
#if defined (DUAL_CORE)
|
|
/* Check the current Core */
|
|
if (HAL_GetCurrentCPUID () == CM7_CPUID)
|
|
{
|
|
__WFE ();
|
|
}
|
|
else
|
|
{
|
|
__SEV ();
|
|
__WFE ();
|
|
}
|
|
#else
|
|
__WFE ();
|
|
#endif /* defined (DUAL_CORE) */
|
|
}
|
|
|
|
/**
|
|
* @brief Enter a Domain to DSTANDBY mode.
|
|
* @note This API gives flexibility to manage independently each domain
|
|
* STANDBY mode. For dual core lines, this API should be executed with
|
|
* the corresponding Cortex-Mx to enter domain to DSTANDBY mode. When
|
|
* it is executed by all available Cortex-Mx, the system enter STANDBY
|
|
* mode.
|
|
* For single core lines, calling this API with D1/SRD the selected
|
|
* domain will enter the whole system in STOP if PWR_CPUCR_PDDS_D3 = 0
|
|
* and enter the whole system in STANDBY if PWR_CPUCR_PDDS_D3 = 1.
|
|
* @note The DStandby mode is entered when all PDDS_Dn bits in PWR_CPUCR for
|
|
* the Dn domain select Standby mode. When the system enters Standby
|
|
* mode, the voltage regulator is disabled.
|
|
* @note When D2 or D3 domain is in DStandby mode and the CPU sets the
|
|
* domain PDDS_Dn bit to select Stop mode, the domain remains in
|
|
* DStandby mode. The domain will only exit DStandby when the CPU
|
|
* allocates a peripheral in the domain.
|
|
* @note The system D3/SRD domain enters Standby mode only when the D1 and D2
|
|
* domain are in DStandby.
|
|
* @note Before entering DSTANDBY mode it is recommended to call
|
|
* SCB_CleanDCache function in order to clean the D-Cache and guarantee
|
|
* the data integrity for the SRAM memories.
|
|
* @param Domain : Specifies the Domain to enter to STANDBY mode.
|
|
* This parameter can be one of the following values:
|
|
* @arg PWR_D1_DOMAIN: Enter D1/CD Domain to DSTANDBY mode.
|
|
* @arg PWR_D2_DOMAIN: Enter D2 Domain to DSTANDBY mode.
|
|
* @arg PWR_D3_DOMAIN: Enter D3/SRD Domain to DSTANDBY mode.
|
|
* @retval None
|
|
*/
|
|
void HAL_PWREx_EnterSTANDBYMode (uint32_t Domain)
|
|
{
|
|
/* Check the parameters */
|
|
assert_param (IS_PWR_DOMAIN (Domain));
|
|
|
|
/* Select the domain Power Down DeepSleep */
|
|
if (Domain == PWR_D1_DOMAIN)
|
|
{
|
|
#if defined (DUAL_CORE)
|
|
/* Check current core */
|
|
if (HAL_GetCurrentCPUID () != CM7_CPUID)
|
|
{
|
|
/*
|
|
When the domain selected and the cortex-mx don't match, entering
|
|
standby mode will not be performed
|
|
*/
|
|
return;
|
|
}
|
|
#endif /* defined (DUAL_CORE) */
|
|
|
|
/* Allow DSTANDBY mode when D1/CD domain enters Deepsleep */
|
|
SET_BIT (PWR-> CPUCR, PWR_CPUCR_PDDS_D1);
|
|
|
|
#if defined (DUAL_CORE)
|
|
/* Allow DSTANDBY mode when D1/CD domain enters Deepsleep */
|
|
SET_BIT (PWR-> CPU2CR, PWR_CPU2CR_PDDS_D1);
|
|
#endif /*DUAL_CORE*/
|
|
|
|
/* Set SLEEPDEEP bit of Cortex System Control Register */
|
|
SET_BIT (SCB->SCR, SCB_SCR_SLEEPDEEP_Msk);
|
|
|
|
/* This option is used to ensure that store operations are completed */
|
|
#if defined (__CC_ARM)
|
|
__force_stores ();
|
|
#endif /* defined (__CC_ARM) */
|
|
|
|
/* Request Wait For Interrupt */
|
|
__WFI ();
|
|
}
|
|
#if defined (PWR_CPUCR_PDDS_D2)
|
|
else if (Domain == PWR_D2_DOMAIN)
|
|
{
|
|
/* Allow DSTANDBY mode when D2 domain enters Deepsleep */
|
|
SET_BIT (PWR-> CPUCR, PWR_CPUCR_PDDS_D2);
|
|
|
|
#if defined (DUAL_CORE)
|
|
/* Check current core */
|
|
if (HAL_GetCurrentCPUID () != CM4_CPUID)
|
|
{
|
|
/*
|
|
When the domain selected and the cortex-mx don't match, entering
|
|
standby mode will not be performed
|
|
*/
|
|
return;
|
|
}
|
|
|
|
/* Allow DSTANDBY mode when D2 domain enters Deepsleep */
|
|
SET_BIT (PWR-> CPU2CR, PWR_CPU2CR_PDDS_D2);
|
|
|
|
/* Set SLEEPDEEP bit of Cortex System Control Register */
|
|
SET_BIT (SCB->SCR, SCB_SCR_SLEEPDEEP_Msk);
|
|
|
|
/* This option is used to ensure that store operations are completed */
|
|
#if defined (__CC_ARM)
|
|
__force_stores ();
|
|
#endif /* defined (__CC_ARM) */
|
|
|
|
/* Request Wait For Interrupt */
|
|
__WFI ();
|
|
#endif /* defined (DUAL_CORE) */
|
|
}
|
|
#endif /* defined (PWR_CPUCR_PDDS_D2) */
|
|
else
|
|
{
|
|
/* Allow DSTANDBY mode when D3/SRD domain enters Deepsleep */
|
|
SET_BIT (PWR-> CPUCR, PWR_CPUCR_PDDS_D3);
|
|
|
|
#if defined (DUAL_CORE)
|
|
/* Allow DSTANDBY mode when D3/SRD domain enters Deepsleep */
|
|
SET_BIT (PWR-> CPU2CR, PWR_CPU2CR_PDDS_D3);
|
|
#endif /* defined (DUAL_CORE) */
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief Configure the D3/SRD Domain state when the System in low power mode.
|
|
* @param D3State : Specifies the D3/SRD state.
|
|
* This parameter can be one of the following values :
|
|
* @arg PWR_D3_DOMAIN_STOP : D3/SRD domain will follow the most deep
|
|
* CPU sub-system low power mode.
|
|
* @arg PWR_D3_DOMAIN_RUN : D3/SRD domain will stay in RUN mode
|
|
* regardless of the CPU sub-system low
|
|
* power mode.
|
|
* @retval None
|
|
*/
|
|
void HAL_PWREx_ConfigD3Domain (uint32_t D3State)
|
|
{
|
|
/* Check the parameter */
|
|
assert_param (IS_D3_STATE (D3State));
|
|
|
|
/* Keep D3/SRD in run mode */
|
|
MODIFY_REG (PWR->CPUCR, PWR_CPUCR_RUN_D3, D3State);
|
|
}
|
|
|
|
#if defined (DUAL_CORE)
|
|
/**
|
|
* @brief Clear HOLD2F, HOLD1F, STOPF, SBF, SBF_D1, and SBF_D2 flags for a
|
|
* given domain.
|
|
* @param DomainFlags : Specifies the Domain flags to be cleared.
|
|
* This parameter can be one of the following values:
|
|
* @arg PWR_D1_DOMAIN_FLAGS : Clear D1 Domain flags.
|
|
* @arg PWR_D2_DOMAIN_FLAGS : Clear D2 Domain flags.
|
|
* @arg PWR_ALL_DOMAIN_FLAGS : Clear D1 and D2 Domain flags.
|
|
* @retval None.
|
|
*/
|
|
void HAL_PWREx_ClearDomainFlags (uint32_t DomainFlags)
|
|
{
|
|
/* Check the parameter */
|
|
assert_param (IS_PWR_DOMAIN_FLAG (DomainFlags));
|
|
|
|
/* D1 CPU flags */
|
|
if (DomainFlags == PWR_D1_DOMAIN_FLAGS)
|
|
{
|
|
/* Clear D1 domain flags (HOLD2F, STOPF, SBF, SBF_D1, and SBF_D2) */
|
|
SET_BIT (PWR->CPUCR, PWR_CPUCR_CSSF);
|
|
}
|
|
/* D2 CPU flags */
|
|
else if (DomainFlags == PWR_D2_DOMAIN_FLAGS)
|
|
{
|
|
/* Clear D2 domain flags (HOLD1F, STOPF, SBF, SBF_D1, and SBF_D2) */
|
|
SET_BIT (PWR->CPU2CR, PWR_CPU2CR_CSSF);
|
|
}
|
|
else
|
|
{
|
|
/* Clear D1 domain flags (HOLD2F, STOPF, SBF, SBF_D1, and SBF_D2) */
|
|
SET_BIT (PWR->CPUCR, PWR_CPUCR_CSSF);
|
|
/* Clear D2 domain flags (HOLD1F, STOPF, SBF, SBF_D1, and SBF_D2) */
|
|
SET_BIT (PWR->CPU2CR, PWR_CPU2CR_CSSF);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief Hold the CPU and their domain peripherals when exiting STOP mode.
|
|
* @param CPU : Specifies the core to be held.
|
|
* This parameter can be one of the following values:
|
|
* @arg PWR_CORE_CPU1: Hold CPU1 and set CPU2 as master.
|
|
* @arg PWR_CORE_CPU2: Hold CPU2 and set CPU1 as master.
|
|
* @retval HAL status
|
|
*/
|
|
HAL_StatusTypeDef HAL_PWREx_HoldCore (uint32_t CPU)
|
|
{
|
|
HAL_StatusTypeDef status = HAL_OK;
|
|
|
|
/* Check the parameters */
|
|
assert_param (IS_PWR_CORE (CPU));
|
|
|
|
/* Check CPU index */
|
|
if (CPU == PWR_CORE_CPU2)
|
|
{
|
|
/* If CPU1 is not held */
|
|
if ((PWR->CPU2CR & PWR_CPU2CR_HOLD1) != PWR_CPU2CR_HOLD1)
|
|
{
|
|
/* Set HOLD2 bit */
|
|
SET_BIT (PWR->CPUCR, PWR_CPUCR_HOLD2);
|
|
}
|
|
else
|
|
{
|
|
status = HAL_ERROR;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* If CPU2 is not held */
|
|
if ((PWR->CPUCR & PWR_CPUCR_HOLD2) != PWR_CPUCR_HOLD2)
|
|
{
|
|
/* Set HOLD1 bit */
|
|
SET_BIT (PWR->CPU2CR, PWR_CPU2CR_HOLD1);
|
|
}
|
|
else
|
|
{
|
|
status = HAL_ERROR;
|
|
}
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief Release the CPU and their domain peripherals after a wake-up from
|
|
* STOP mode.
|
|
* @param CPU: Specifies the core to be released.
|
|
* This parameter can be one of the following values:
|
|
* @arg PWR_CORE_CPU1: Release the CPU1 and their domain
|
|
* peripherals from holding.
|
|
* @arg PWR_CORE_CPU2: Release the CPU2 and their domain
|
|
* peripherals from holding.
|
|
* @retval None
|
|
*/
|
|
void HAL_PWREx_ReleaseCore (uint32_t CPU)
|
|
{
|
|
/* Check the parameters */
|
|
assert_param (IS_PWR_CORE (CPU));
|
|
|
|
/* Check CPU index */
|
|
if (CPU == PWR_CORE_CPU2)
|
|
{
|
|
/* Reset HOLD2 bit */
|
|
CLEAR_BIT (PWR->CPUCR, PWR_CPUCR_HOLD2);
|
|
}
|
|
else
|
|
{
|
|
/* Reset HOLD1 bit */
|
|
CLEAR_BIT (PWR->CPU2CR, PWR_CPU2CR_HOLD1);
|
|
}
|
|
}
|
|
#endif /* defined (DUAL_CORE) */
|
|
|
|
|
|
/**
|
|
* @brief Enable the Flash Power Down in Stop mode.
|
|
* @note When Flash Power Down is enabled the Flash memory enters low-power
|
|
* mode when D1/SRD domain is in DStop mode. This feature allows to
|
|
* obtain the best trade-off between low-power consumption and restart
|
|
* time when exiting from DStop mode.
|
|
* @retval None.
|
|
*/
|
|
void HAL_PWREx_EnableFlashPowerDown (void)
|
|
{
|
|
/* Enable the Flash Power Down */
|
|
SET_BIT (PWR->CR1, PWR_CR1_FLPS);
|
|
}
|
|
|
|
/**
|
|
* @brief Disable the Flash Power Down in Stop mode.
|
|
* @note When Flash Power Down is disabled the Flash memory is kept on
|
|
* normal mode when D1/SRD domain is in DStop mode. This feature allows
|
|
* to obtain the best trade-off between low-power consumption and
|
|
* restart time when exiting from DStop mode.
|
|
* @retval None.
|
|
*/
|
|
void HAL_PWREx_DisableFlashPowerDown (void)
|
|
{
|
|
/* Disable the Flash Power Down */
|
|
CLEAR_BIT (PWR->CR1, PWR_CR1_FLPS);
|
|
}
|
|
|
|
#if defined (PWR_CR1_SRDRAMSO)
|
|
/**
|
|
* @brief Enable memory block shut-off in DStop or DStop2 modes
|
|
* @note In DStop or DStop2 mode, the content of the memory blocks is
|
|
* maintained. Further power optimization can be obtained by switching
|
|
* off some memory blocks. This optimization implies loss of the memory
|
|
* content. The user can select which memory is discarded during STOP
|
|
* mode by means of xxSO bits.
|
|
* @param MemoryBlock : Specifies the memory block to shut-off during DStop or
|
|
* DStop2 mode.
|
|
* This parameter can be one of the following values:
|
|
* @arg PWR_SRD_AHB_MEMORY_BLOCK : SmartRun domain AHB memory.
|
|
* @arg PWR_USB_FDCAN_MEMORY_BLOCK : High-speed interfaces USB and
|
|
* FDCAN memories.
|
|
* @arg PWR_GFXMMU_JPEG_MEMORY_BLOCK : GFXMMU and JPEG memories.
|
|
* @arg PWR_TCM_ECM_MEMORY_BLOCK : Instruction TCM and ETM memories.
|
|
* @arg PWR_RAM1_AHB_MEMORY_BLOCK : AHB RAM1 memory.
|
|
* @arg PWR_RAM2_AHB_MEMORY_BLOCK : AHB RAM2 memory.
|
|
* @arg PWR_RAM1_AXI_MEMORY_BLOCK : AXI RAM1 memory.
|
|
* @arg PWR_RAM2_AXI_MEMORY_BLOCK : AXI RAM2 memory.
|
|
* @arg PWR_RAM3_AXI_MEMORY_BLOCK : AXI RAM3 memory.
|
|
* @retval None.
|
|
*/
|
|
void HAL_PWREx_EnableMemoryShutOff (uint32_t MemoryBlock)
|
|
{
|
|
/* Check the parameter */
|
|
assert_param (IS_PWR_MEMORY_BLOCK (MemoryBlock));
|
|
|
|
/* Enable memory block shut-off */
|
|
SET_BIT (PWR->CR1, MemoryBlock);
|
|
}
|
|
|
|
/**
|
|
* @brief Disable memory block shut-off in DStop or DStop2 modes
|
|
* @param MemoryBlock : Specifies the memory block to keep content during
|
|
* DStop or DStop2 mode.
|
|
* This parameter can be one of the following values:
|
|
* @arg PWR_SRD_AHB_MEMORY_BLOCK : SmartRun domain AHB memory.
|
|
* @arg PWR_USB_FDCAN_MEMORY_BLOCK : High-speed interfaces USB and
|
|
* FDCAN memories.
|
|
* @arg PWR_GFXMMU_JPEG_MEMORY_BLOCK : GFXMMU and JPEG memories.
|
|
* @arg PWR_TCM_ECM_MEMORY_BLOCK : Instruction TCM and ETM memories.
|
|
* @arg PWR_RAM1_AHB_MEMORY_BLOCK : AHB RAM1 memory.
|
|
* @arg PWR_RAM2_AHB_MEMORY_BLOCK : AHB RAM2 memory.
|
|
* @arg PWR_RAM1_AXI_MEMORY_BLOCK : AXI RAM1 memory.
|
|
* @arg PWR_RAM2_AXI_MEMORY_BLOCK : AXI RAM2 memory.
|
|
* @arg PWR_RAM3_AXI_MEMORY_BLOCK : AXI RAM3 memory.
|
|
* @retval None.
|
|
*/
|
|
void HAL_PWREx_DisableMemoryShutOff (uint32_t MemoryBlock)
|
|
{
|
|
/* Check the parameter */
|
|
assert_param (IS_PWR_MEMORY_BLOCK (MemoryBlock));
|
|
|
|
/* Disable memory block shut-off */
|
|
CLEAR_BIT (PWR->CR1, MemoryBlock);
|
|
}
|
|
#endif /* defined (PWR_CR1_SRDRAMSO) */
|
|
|
|
/**
|
|
* @brief Enable the Wake-up PINx functionality.
|
|
* @param sPinParams : Pointer to a PWREx_WakeupPinTypeDef structure that
|
|
* contains the configuration information for the wake-up
|
|
* Pin.
|
|
* @note For dual core devices, please ensure to configure the EXTI lines for
|
|
* the different Cortex-Mx. All combination are allowed: wake up only
|
|
* Cortex-M7, wake up only Cortex-M4 and wake up Cortex-M7 and
|
|
* Cortex-M4.
|
|
* @retval None.
|
|
*/
|
|
void HAL_PWREx_EnableWakeUpPin (PWREx_WakeupPinTypeDef *sPinParams)
|
|
{
|
|
uint32_t pinConfig;
|
|
uint32_t regMask;
|
|
const uint32_t pullMask = PWR_WKUPEPR_WKUPPUPD1;
|
|
|
|
/* Check the parameters */
|
|
assert_param (IS_PWR_WAKEUP_PIN (sPinParams->WakeUpPin));
|
|
assert_param (IS_PWR_WAKEUP_PIN_POLARITY (sPinParams->PinPolarity));
|
|
assert_param (IS_PWR_WAKEUP_PIN_PULL (sPinParams->PinPull));
|
|
|
|
pinConfig = sPinParams->WakeUpPin | \
|
|
(sPinParams->PinPolarity << ((POSITION_VAL(sPinParams->WakeUpPin) + PWR_WKUPEPR_WKUPP1_Pos) & 0x1FU)) | \
|
|
(sPinParams->PinPull << (((POSITION_VAL(sPinParams->WakeUpPin) * PWR_WAKEUP_PINS_PULL_SHIFT_OFFSET) + PWR_WKUPEPR_WKUPPUPD1_Pos) & 0x1FU));
|
|
|
|
regMask = sPinParams->WakeUpPin | \
|
|
(PWR_WKUPEPR_WKUPP1 << (POSITION_VAL(sPinParams->WakeUpPin) & 0x1FU)) | \
|
|
(pullMask << ((POSITION_VAL(sPinParams->WakeUpPin) * PWR_WAKEUP_PINS_PULL_SHIFT_OFFSET) & 0x1FU));
|
|
|
|
/* Enable and Specify the Wake-Up pin polarity and the pull configuration
|
|
for the event detection (rising or falling edge) */
|
|
MODIFY_REG (PWR->WKUPEPR, regMask, pinConfig);
|
|
#ifndef DUAL_CORE
|
|
/* Configure the Wakeup Pin EXTI Line */
|
|
MODIFY_REG (EXTI->IMR2, PWR_EXTI_WAKEUP_PINS_MASK, (sPinParams->WakeUpPin << EXTI_IMR2_IM55_Pos));
|
|
#endif /* !DUAL_CORE */
|
|
}
|
|
|
|
/**
|
|
* @brief Disable the Wake-up PINx functionality.
|
|
* @param WakeUpPin : Specifies the Wake-Up pin to be disabled.
|
|
* This parameter can be one of the following values:
|
|
* @arg PWR_WAKEUP_PIN1 : Disable PA0 wake-up PIN.
|
|
* @arg PWR_WAKEUP_PIN2 : Disable PA2 wake-up PIN.
|
|
* @arg PWR_WAKEUP_PIN3 : Disable PI8 wake-up PIN.
|
|
* @arg PWR_WAKEUP_PIN4 : Disable PC13 wake-up PIN.
|
|
* @arg PWR_WAKEUP_PIN5 : Disable PI11 wake-up PIN.
|
|
* @arg PWR_WAKEUP_PIN6 : Disable PC1 wake-up PIN.
|
|
* @retval None
|
|
*/
|
|
void HAL_PWREx_DisableWakeUpPin (uint32_t WakeUpPin)
|
|
{
|
|
/* Check the parameter */
|
|
assert_param (IS_PWR_WAKEUP_PIN (WakeUpPin));
|
|
|
|
/* Disable the WakeUpPin */
|
|
CLEAR_BIT (PWR->WKUPEPR, WakeUpPin);
|
|
}
|
|
|
|
/**
|
|
* @brief Get the Wake-Up Pin pending flags.
|
|
* @param WakeUpFlag : Specifies the Wake-Up PIN flag to be checked.
|
|
* This parameter can be one of the following values:
|
|
* @arg PWR_WAKEUP_FLAG1 : Get wakeup event received from PA0.
|
|
* @arg PWR_WAKEUP_FLAG2 : Get wakeup event received from PA2.
|
|
* @arg PWR_WAKEUP_FLAG3 : Get wakeup event received from PI8.
|
|
* @arg PWR_WAKEUP_FLAG4 : Get wakeup event received from PC13.
|
|
* @arg PWR_WAKEUP_FLAG5 : Get wakeup event received from PI11.
|
|
* @arg PWR_WAKEUP_FLAG6 : Get wakeup event received from PC1.
|
|
* @arg PWR_WAKEUP_FLAG_ALL : Get Wakeup event received from all
|
|
* wake up pins.
|
|
* @retval The Wake-Up pin flag.
|
|
*/
|
|
uint32_t HAL_PWREx_GetWakeupFlag (uint32_t WakeUpFlag)
|
|
{
|
|
/* Check the parameters */
|
|
assert_param (IS_PWR_WAKEUP_FLAG (WakeUpFlag));
|
|
|
|
/* Return the wake up pin flag */
|
|
return (PWR->WKUPFR & WakeUpFlag);
|
|
}
|
|
|
|
/**
|
|
* @brief Clear the Wake-Up pin pending flag.
|
|
* @param WakeUpFlag: Specifies the Wake-Up PIN flag to clear.
|
|
* This parameter can be one of the following values:
|
|
* @arg PWR_WAKEUP_FLAG1 : Clear the wakeup event received from PA0.
|
|
* @arg PWR_WAKEUP_FLAG2 : Clear the wakeup event received from PA2.
|
|
* @arg PWR_WAKEUP_FLAG3 : Clear the wakeup event received from PI8.
|
|
* @arg PWR_WAKEUP_FLAG4 : Clear the wakeup event received from PC13.
|
|
* @arg PWR_WAKEUP_FLAG5 : Clear the wakeup event received from PI11.
|
|
* @arg PWR_WAKEUP_FLAG6 : Clear the wakeup event received from PC1.
|
|
* @arg PWR_WAKEUP_FLAG_ALL : Clear the wakeup events received from
|
|
* all wake up pins.
|
|
* @retval HAL status.
|
|
*/
|
|
HAL_StatusTypeDef HAL_PWREx_ClearWakeupFlag (uint32_t WakeUpFlag)
|
|
{
|
|
/* Check the parameter */
|
|
assert_param (IS_PWR_WAKEUP_FLAG (WakeUpFlag));
|
|
|
|
/* Clear the wake up event received from wake up pin x */
|
|
SET_BIT (PWR->WKUPCR, WakeUpFlag);
|
|
|
|
/* Check if the wake up event is well cleared */
|
|
if ((PWR->WKUPFR & WakeUpFlag) != 0U)
|
|
{
|
|
return HAL_ERROR;
|
|
}
|
|
|
|
return HAL_OK;
|
|
}
|
|
|
|
/**
|
|
* @brief This function handles the PWR WAKEUP PIN interrupt request.
|
|
* @note This API should be called under the WAKEUP_PIN_IRQHandler().
|
|
* @retval None.
|
|
*/
|
|
void HAL_PWREx_WAKEUP_PIN_IRQHandler (void)
|
|
{
|
|
/* Wakeup pin EXTI line interrupt detected */
|
|
if (READ_BIT(PWR->WKUPFR, PWR_WKUPFR_WKUPF1) != 0U)
|
|
{
|
|
/* Clear PWR WKUPF1 flag */
|
|
__HAL_PWR_CLEAR_WAKEUPFLAG (PWR_FLAG_WKUP1);
|
|
|
|
/* PWR WKUP1 interrupt user callback */
|
|
HAL_PWREx_WKUP1_Callback ();
|
|
}
|
|
else if (READ_BIT (PWR->WKUPFR, PWR_WKUPFR_WKUPF2) != 0U)
|
|
{
|
|
/* Clear PWR WKUPF2 flag */
|
|
__HAL_PWR_CLEAR_WAKEUPFLAG (PWR_FLAG_WKUP2);
|
|
|
|
/* PWR WKUP2 interrupt user callback */
|
|
HAL_PWREx_WKUP2_Callback ();
|
|
}
|
|
else if (READ_BIT (PWR->WKUPFR, PWR_WKUPFR_WKUPF3) != 0U)
|
|
{
|
|
/* Clear PWR WKUPF3 flag */
|
|
__HAL_PWR_CLEAR_WAKEUPFLAG (PWR_FLAG_WKUP3);
|
|
|
|
/* PWR WKUP3 interrupt user callback */
|
|
HAL_PWREx_WKUP3_Callback ();
|
|
}
|
|
else if (READ_BIT (PWR->WKUPFR, PWR_WKUPFR_WKUPF4) != 0U)
|
|
{
|
|
/* Clear PWR WKUPF4 flag */
|
|
__HAL_PWR_CLEAR_WAKEUPFLAG (PWR_FLAG_WKUP4);
|
|
|
|
/* PWR WKUP4 interrupt user callback */
|
|
HAL_PWREx_WKUP4_Callback ();
|
|
}
|
|
else if (READ_BIT (PWR->WKUPFR, PWR_WKUPFR_WKUPF5) != 0U)
|
|
{
|
|
/* Clear PWR WKUPF5 flag */
|
|
__HAL_PWR_CLEAR_WAKEUPFLAG (PWR_FLAG_WKUP5);
|
|
|
|
/* PWR WKUP5 interrupt user callback */
|
|
HAL_PWREx_WKUP5_Callback ();
|
|
}
|
|
else
|
|
{
|
|
/* Clear PWR WKUPF6 flag */
|
|
__HAL_PWR_CLEAR_WAKEUPFLAG (PWR_FLAG_WKUP6);
|
|
|
|
/* PWR WKUP6 interrupt user callback */
|
|
HAL_PWREx_WKUP6_Callback ();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief PWR WKUP1 interrupt callback.
|
|
* @retval None.
|
|
*/
|
|
__weak void HAL_PWREx_WKUP1_Callback (void)
|
|
{
|
|
/* NOTE : This function should not be modified, when the callback is needed,
|
|
the HAL_PWREx_WKUP1Callback can be implemented in the user file
|
|
*/
|
|
}
|
|
|
|
/**
|
|
* @brief PWR WKUP2 interrupt callback.
|
|
* @retval None.
|
|
*/
|
|
__weak void HAL_PWREx_WKUP2_Callback (void)
|
|
{
|
|
/* NOTE : This function should not be modified, when the callback is needed,
|
|
the HAL_PWREx_WKUP2Callback can be implemented in the user file
|
|
*/
|
|
}
|
|
|
|
/**
|
|
* @brief PWR WKUP3 interrupt callback.
|
|
* @retval None.
|
|
*/
|
|
__weak void HAL_PWREx_WKUP3_Callback (void)
|
|
{
|
|
/* NOTE : This function should not be modified, when the callback is needed,
|
|
the HAL_PWREx_WKUP3Callback can be implemented in the user file
|
|
*/
|
|
}
|
|
|
|
/**
|
|
* @brief PWR WKUP4 interrupt callback.
|
|
* @retval None.
|
|
*/
|
|
__weak void HAL_PWREx_WKUP4_Callback (void)
|
|
{
|
|
/* NOTE : This function should not be modified, when the callback is needed,
|
|
the HAL_PWREx_WKUP4Callback can be implemented in the user file
|
|
*/
|
|
}
|
|
|
|
/**
|
|
* @brief PWR WKUP5 interrupt callback.
|
|
* @retval None.
|
|
*/
|
|
__weak void HAL_PWREx_WKUP5_Callback (void)
|
|
{
|
|
/* NOTE : This function should not be modified, when the callback is needed,
|
|
the HAL_PWREx_WKUP5Callback can be implemented in the user file
|
|
*/
|
|
}
|
|
|
|
/**
|
|
* @brief PWR WKUP6 interrupt callback.
|
|
* @retval None.
|
|
*/
|
|
__weak void HAL_PWREx_WKUP6_Callback (void)
|
|
{
|
|
/* NOTE : This function should not be modified, when the callback is needed,
|
|
the HAL_PWREx_WKUP6Callback can be implemented in the user file
|
|
*/
|
|
}
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/** @defgroup PWREx_Exported_Functions_Group3 Peripherals control functions
|
|
* @brief Peripherals control functions
|
|
*
|
|
@verbatim
|
|
===============================================================================
|
|
##### Peripherals control functions #####
|
|
===============================================================================
|
|
|
|
*** Main and Backup Regulators configuration ***
|
|
================================================
|
|
[..]
|
|
(+) The backup domain includes 4 Kbytes of backup SRAM accessible only
|
|
from the CPU, and addressed in 32-bit, 16-bit or 8-bit mode. Its
|
|
content is retained even in Standby or VBAT mode when the low power
|
|
backup regulator is enabled. It can be considered as an internal
|
|
EEPROM when VBAT is always present. You can use the
|
|
HAL_PWREx_EnableBkUpReg() function to enable the low power backup
|
|
regulator.
|
|
(+) When the backup domain is supplied by VDD (analog switch connected to
|
|
VDD) the backup SRAM is powered from VDD which replaces the VBAT power
|
|
supply to save battery life.
|
|
(+) The backup SRAM is not mass erased by a tamper event. It is read
|
|
protected to prevent confidential data, such as cryptographic private
|
|
key, from being accessed. The backup SRAM can be erased only through
|
|
the Flash interface when a protection level change from level 1 to
|
|
level 0 is requested.
|
|
-@- Refer to the description of Read protection (RDP) in the Flash
|
|
programming manual.
|
|
(+) The main internal regulator can be configured to have a tradeoff
|
|
between performance and power consumption when the device does not
|
|
operate at the maximum frequency. This is done through
|
|
HAL_PWREx_ControlVoltageScaling(VOS) function which configure the VOS
|
|
bit in PWR_D3CR register.
|
|
(+) The main internal regulator can be configured to operate in Low Power
|
|
mode when the system enters STOP mode to further reduce power
|
|
consumption.
|
|
This is done through HAL_PWREx_ControlStopModeVoltageScaling(SVOS)
|
|
function which configure the SVOS bit in PWR_CR1 register.
|
|
The selected SVOS4 and SVOS5 levels add an additional startup delay
|
|
when exiting from system Stop mode.
|
|
-@- Refer to the product datasheets for more details.
|
|
|
|
*** USB Regulator configuration ***
|
|
===================================
|
|
[..]
|
|
(+) The USB transceivers are supplied from a dedicated VDD33USB supply
|
|
that can be provided either by the integrated USB regulator, or by an
|
|
external USB supply.
|
|
(+) The USB regulator is enabled by HAL_PWREx_EnableUSBReg() function, the
|
|
VDD33USB is then provided from the USB regulator.
|
|
(+) When the USB regulator is enabled, the VDD33USB supply level detector
|
|
shall be enabled through HAL_PWREx_EnableUSBVoltageDetector()
|
|
function.
|
|
(+) The USB regulator is disabled through HAL_PWREx_DisableUSBReg()
|
|
function and VDD33USB can be provided from an external supply. In this
|
|
case VDD33USB and VDD50USB shall be connected together.
|
|
|
|
*** VBAT battery charging ***
|
|
=============================
|
|
[..]
|
|
(+) When VDD is present, the external battery connected to VBAT can be
|
|
charged through an internal resistance. VBAT charging can be performed
|
|
either through a 5 KOhm resistor or through a 1.5 KOhm resistor.
|
|
(+) VBAT charging is enabled by HAL_PWREx_EnableBatteryCharging
|
|
(ResistorValue) function with:
|
|
(++) ResistorValue:
|
|
(+++) PWR_BATTERY_CHARGING_RESISTOR_5: 5 KOhm resistor.
|
|
(+++) PWR_BATTERY_CHARGING_RESISTOR_1_5: 1.5 KOhm resistor.
|
|
(+) VBAT charging is disabled by HAL_PWREx_DisableBatteryCharging()
|
|
function.
|
|
|
|
@endverbatim
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* @brief Enable the Backup Regulator.
|
|
* @retval HAL status.
|
|
*/
|
|
HAL_StatusTypeDef HAL_PWREx_EnableBkUpReg (void)
|
|
{
|
|
uint32_t tickstart;
|
|
|
|
/* Enable the Backup regulator */
|
|
SET_BIT (PWR->CR2, PWR_CR2_BREN);
|
|
|
|
/* Get tick */
|
|
tickstart = HAL_GetTick ();
|
|
|
|
/* Wait till Backup regulator ready flag is set */
|
|
while (__HAL_PWR_GET_FLAG (PWR_FLAG_BRR) == 0U)
|
|
{
|
|
if ((HAL_GetTick() - tickstart ) > PWR_FLAG_SETTING_DELAY)
|
|
{
|
|
return HAL_ERROR;
|
|
}
|
|
}
|
|
|
|
return HAL_OK;
|
|
}
|
|
|
|
/**
|
|
* @brief Disable the Backup Regulator.
|
|
* @retval HAL status.
|
|
*/
|
|
HAL_StatusTypeDef HAL_PWREx_DisableBkUpReg (void)
|
|
{
|
|
uint32_t tickstart;
|
|
|
|
/* Disable the Backup regulator */
|
|
CLEAR_BIT (PWR->CR2, PWR_CR2_BREN);
|
|
|
|
/* Get tick */
|
|
tickstart = HAL_GetTick ();
|
|
|
|
/* Wait till Backup regulator ready flag is reset */
|
|
while (__HAL_PWR_GET_FLAG (PWR_FLAG_BRR) != 0U)
|
|
{
|
|
if ((HAL_GetTick() - tickstart ) > PWR_FLAG_SETTING_DELAY)
|
|
{
|
|
return HAL_ERROR;
|
|
}
|
|
}
|
|
|
|
return HAL_OK;
|
|
}
|
|
|
|
/**
|
|
* @brief Enable the USB Regulator.
|
|
* @retval HAL status.
|
|
*/
|
|
HAL_StatusTypeDef HAL_PWREx_EnableUSBReg (void)
|
|
{
|
|
uint32_t tickstart;
|
|
|
|
/* Enable the USB regulator */
|
|
SET_BIT (PWR->CR3, PWR_CR3_USBREGEN);
|
|
|
|
/* Get tick */
|
|
tickstart = HAL_GetTick ();
|
|
|
|
/* Wait till the USB regulator ready flag is set */
|
|
while (__HAL_PWR_GET_FLAG (PWR_FLAG_USB33RDY) == 0U)
|
|
{
|
|
if ((HAL_GetTick() - tickstart ) > PWR_FLAG_SETTING_DELAY)
|
|
{
|
|
return HAL_ERROR;
|
|
}
|
|
}
|
|
|
|
return HAL_OK;
|
|
}
|
|
|
|
/**
|
|
* @brief Disable the USB Regulator.
|
|
* @retval HAL status.
|
|
*/
|
|
HAL_StatusTypeDef HAL_PWREx_DisableUSBReg (void)
|
|
{
|
|
uint32_t tickstart;
|
|
|
|
/* Disable the USB regulator */
|
|
CLEAR_BIT (PWR->CR3, PWR_CR3_USBREGEN);
|
|
|
|
/* Get tick */
|
|
tickstart = HAL_GetTick ();
|
|
|
|
/* Wait till the USB regulator ready flag is reset */
|
|
while(__HAL_PWR_GET_FLAG (PWR_FLAG_USB33RDY) != 0U)
|
|
{
|
|
if ((HAL_GetTick() - tickstart ) > PWR_FLAG_SETTING_DELAY)
|
|
{
|
|
return HAL_ERROR;
|
|
}
|
|
}
|
|
|
|
return HAL_OK;
|
|
}
|
|
|
|
/**
|
|
* @brief Enable the USB voltage level detector.
|
|
* @retval None.
|
|
*/
|
|
void HAL_PWREx_EnableUSBVoltageDetector (void)
|
|
{
|
|
/* Enable the USB voltage detector */
|
|
SET_BIT (PWR->CR3, PWR_CR3_USB33DEN);
|
|
}
|
|
|
|
/**
|
|
* @brief Disable the USB voltage level detector.
|
|
* @retval None.
|
|
*/
|
|
void HAL_PWREx_DisableUSBVoltageDetector (void)
|
|
{
|
|
/* Disable the USB voltage detector */
|
|
CLEAR_BIT (PWR->CR3, PWR_CR3_USB33DEN);
|
|
}
|
|
|
|
/**
|
|
* @brief Enable the Battery charging.
|
|
* @note When VDD is present, charge the external battery through an internal
|
|
* resistor.
|
|
* @param ResistorValue : Specifies the charging resistor.
|
|
* This parameter can be one of the following values :
|
|
* @arg PWR_BATTERY_CHARGING_RESISTOR_5 : 5 KOhm resistor.
|
|
* @arg PWR_BATTERY_CHARGING_RESISTOR_1_5 : 1.5 KOhm resistor.
|
|
* @retval None.
|
|
*/
|
|
void HAL_PWREx_EnableBatteryCharging (uint32_t ResistorValue)
|
|
{
|
|
/* Check the parameter */
|
|
assert_param (IS_PWR_BATTERY_RESISTOR_SELECT (ResistorValue));
|
|
|
|
/* Specify the charging resistor */
|
|
MODIFY_REG (PWR->CR3, PWR_CR3_VBRS, ResistorValue);
|
|
|
|
/* Enable the Battery charging */
|
|
SET_BIT (PWR->CR3, PWR_CR3_VBE);
|
|
}
|
|
|
|
/**
|
|
* @brief Disable the Battery charging.
|
|
* @retval None.
|
|
*/
|
|
void HAL_PWREx_DisableBatteryCharging (void)
|
|
{
|
|
/* Disable the Battery charging */
|
|
CLEAR_BIT (PWR->CR3, PWR_CR3_VBE);
|
|
}
|
|
|
|
#if defined (PWR_CR1_BOOSTE)
|
|
/**
|
|
* @brief Enable the booster to guarantee the analog switch AC performance when
|
|
* the VDD supply voltage is below 2V7.
|
|
* @note The VDD supply voltage can be monitored through the PVD and the PLS
|
|
* field bits.
|
|
* @retval None.
|
|
*/
|
|
void HAL_PWREx_EnableAnalogBooster (void)
|
|
{
|
|
/* Enable the Analog voltage */
|
|
SET_BIT (PWR->CR1, PWR_CR1_AVD_READY);
|
|
|
|
/* Enable VDDA booster */
|
|
SET_BIT (PWR->CR1, PWR_CR1_BOOSTE);
|
|
}
|
|
|
|
/**
|
|
* @brief Disable the analog booster.
|
|
* @retval None.
|
|
*/
|
|
void HAL_PWREx_DisableAnalogBooster (void)
|
|
{
|
|
/* Disable VDDA booster */
|
|
CLEAR_BIT (PWR->CR1, PWR_CR1_BOOSTE);
|
|
|
|
/* Disable the Analog voltage */
|
|
CLEAR_BIT (PWR->CR1, PWR_CR1_AVD_READY);
|
|
}
|
|
#endif /* defined (PWR_CR1_BOOSTE) */
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/** @defgroup PWREx_Exported_Functions_Group4 Power Monitoring functions
|
|
* @brief Power Monitoring functions
|
|
*
|
|
@verbatim
|
|
===============================================================================
|
|
##### Power Monitoring functions #####
|
|
===============================================================================
|
|
|
|
*** VBAT and Temperature supervision ***
|
|
========================================
|
|
[..]
|
|
(+) The VBAT battery voltage supply can be monitored by comparing it with
|
|
two threshold levels: VBAThigh and VBATlow. VBATH flag and VBATL flags
|
|
in the PWR control register 2 (PWR_CR2), indicate if VBAT is higher or
|
|
lower than the threshold.
|
|
(+) The temperature can be monitored by comparing it with two threshold
|
|
levels, TEMPhigh and TEMPlow. TEMPH and TEMPL flags, in the PWR
|
|
control register 2 (PWR_CR2), indicate whether the device temperature
|
|
is higher or lower than the threshold.
|
|
(+) The VBAT and the temperature monitoring is enabled by
|
|
HAL_PWREx_EnableMonitoring() function and disabled by
|
|
HAL_PWREx_DisableMonitoring() function.
|
|
(+) The HAL_PWREx_GetVBATLevel() function returns the VBAT level which can
|
|
be : PWR_VBAT_BELOW_LOW_THRESHOLD or PWR_VBAT_ABOVE_HIGH_THRESHOLD or
|
|
PWR_VBAT_BETWEEN_HIGH_LOW_THRESHOLD.
|
|
(+) The HAL_PWREx_GetTemperatureLevel() function returns the Temperature
|
|
level which can be :
|
|
PWR_TEMP_BELOW_LOW_THRESHOLD or PWR_TEMP_ABOVE_HIGH_THRESHOLD or
|
|
PWR_TEMP_BETWEEN_HIGH_LOW_THRESHOLD.
|
|
|
|
*** AVD configuration ***
|
|
=========================
|
|
[..]
|
|
(+) The AVD is used to monitor the VDDA power supply by comparing it to a
|
|
threshold selected by the AVD Level (ALS[3:0] bits in the PWR_CR1
|
|
register).
|
|
(+) A AVDO flag is available to indicate if VDDA is higher or lower
|
|
than the AVD threshold. This event is internally connected to the EXTI
|
|
line 16 to generate an interrupt if enabled.
|
|
It is configurable through __HAL_PWR_AVD_EXTI_ENABLE_IT() macro.
|
|
(+) The AVD is stopped in System Standby mode.
|
|
|
|
@endverbatim
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* @brief Enable the VBAT and temperature monitoring.
|
|
* @retval HAL status.
|
|
*/
|
|
void HAL_PWREx_EnableMonitoring (void)
|
|
{
|
|
/* Enable the VBAT and Temperature monitoring */
|
|
SET_BIT (PWR->CR2, PWR_CR2_MONEN);
|
|
}
|
|
|
|
/**
|
|
* @brief Disable the VBAT and temperature monitoring.
|
|
* @retval HAL status.
|
|
*/
|
|
void HAL_PWREx_DisableMonitoring (void)
|
|
{
|
|
/* Disable the VBAT and Temperature monitoring */
|
|
CLEAR_BIT (PWR->CR2, PWR_CR2_MONEN);
|
|
}
|
|
|
|
/**
|
|
* @brief Indicate whether the junction temperature is between, above or below
|
|
* the thresholds.
|
|
* @retval Temperature level.
|
|
*/
|
|
uint32_t HAL_PWREx_GetTemperatureLevel (void)
|
|
{
|
|
uint32_t tempLevel, regValue;
|
|
|
|
/* Read the temperature flags */
|
|
regValue = READ_BIT (PWR->CR2, (PWR_CR2_TEMPH | PWR_CR2_TEMPL));
|
|
|
|
/* Check if the temperature is below the threshold */
|
|
if (regValue == PWR_CR2_TEMPL)
|
|
{
|
|
tempLevel = PWR_TEMP_BELOW_LOW_THRESHOLD;
|
|
}
|
|
/* Check if the temperature is above the threshold */
|
|
else if (regValue == PWR_CR2_TEMPH)
|
|
{
|
|
tempLevel = PWR_TEMP_ABOVE_HIGH_THRESHOLD;
|
|
}
|
|
/* The temperature is between the thresholds */
|
|
else
|
|
{
|
|
tempLevel = PWR_TEMP_BETWEEN_HIGH_LOW_THRESHOLD;
|
|
}
|
|
|
|
return tempLevel;
|
|
}
|
|
|
|
/**
|
|
* @brief Indicate whether the Battery voltage level is between, above or below
|
|
* the thresholds.
|
|
* @retval VBAT level.
|
|
*/
|
|
uint32_t HAL_PWREx_GetVBATLevel (void)
|
|
{
|
|
uint32_t VBATLevel, regValue;
|
|
|
|
/* Read the VBAT flags */
|
|
regValue = READ_BIT (PWR->CR2, (PWR_CR2_VBATH | PWR_CR2_VBATL));
|
|
|
|
/* Check if the VBAT is below the threshold */
|
|
if (regValue == PWR_CR2_VBATL)
|
|
{
|
|
VBATLevel = PWR_VBAT_BELOW_LOW_THRESHOLD;
|
|
}
|
|
/* Check if the VBAT is above the threshold */
|
|
else if (regValue == PWR_CR2_VBATH)
|
|
{
|
|
VBATLevel = PWR_VBAT_ABOVE_HIGH_THRESHOLD;
|
|
}
|
|
/* The VBAT is between the thresholds */
|
|
else
|
|
{
|
|
VBATLevel = PWR_VBAT_BETWEEN_HIGH_LOW_THRESHOLD;
|
|
}
|
|
|
|
return VBATLevel;
|
|
}
|
|
|
|
#if defined (PWR_CSR1_MMCVDO)
|
|
/**
|
|
* @brief Get the VDDMMC voltage level.
|
|
* @retval The VDDMMC voltage level.
|
|
*/
|
|
PWREx_MMC_VoltageLevel HAL_PWREx_GetMMCVoltage (void)
|
|
{
|
|
PWREx_MMC_VoltageLevel mmc_voltage;
|
|
|
|
/* Check voltage detector output on VDDMMC value */
|
|
if ((PWR->CSR1 & PWR_CSR1_MMCVDO_Msk) == 0U)
|
|
{
|
|
mmc_voltage = PWR_MMC_VOLTAGE_BELOW_1V2;
|
|
}
|
|
else
|
|
{
|
|
mmc_voltage = PWR_MMC_VOLTAGE_EQUAL_ABOVE_1V2;
|
|
}
|
|
|
|
return mmc_voltage;
|
|
}
|
|
#endif /* defined (PWR_CSR1_MMCVDO) */
|
|
|
|
/**
|
|
* @brief Configure the event mode and the voltage threshold detected by the
|
|
* Analog Voltage Detector (AVD).
|
|
* @param sConfigAVD : Pointer to an PWREx_AVDTypeDef structure that contains
|
|
* the configuration information for the AVD.
|
|
* @note Refer to the electrical characteristics of your device datasheet for
|
|
* more details about the voltage threshold corresponding to each
|
|
* detection level.
|
|
* @note For dual core devices, please ensure to configure the EXTI lines for
|
|
* the different Cortex-Mx through PWR_Exported_Macro provided by this
|
|
* driver. All combination are allowed: wake up only Cortex-M7, wake up
|
|
* only Cortex-M4 and wake up Cortex-M7 and Cortex-M4.
|
|
* @retval None.
|
|
*/
|
|
void HAL_PWREx_ConfigAVD (PWREx_AVDTypeDef *sConfigAVD)
|
|
{
|
|
/* Check the parameters */
|
|
assert_param (IS_PWR_AVD_LEVEL (sConfigAVD->AVDLevel));
|
|
assert_param (IS_PWR_AVD_MODE (sConfigAVD->Mode));
|
|
|
|
/* Set the ALS[18:17] bits according to AVDLevel value */
|
|
MODIFY_REG (PWR->CR1, PWR_CR1_ALS, sConfigAVD->AVDLevel);
|
|
|
|
/* Clear any previous config */
|
|
#if !defined (DUAL_CORE)
|
|
__HAL_PWR_AVD_EXTI_DISABLE_EVENT ();
|
|
__HAL_PWR_AVD_EXTI_DISABLE_IT ();
|
|
#endif /* !defined (DUAL_CORE) */
|
|
|
|
__HAL_PWR_AVD_EXTI_DISABLE_RISING_EDGE ();
|
|
__HAL_PWR_AVD_EXTI_DISABLE_FALLING_EDGE ();
|
|
|
|
#if !defined (DUAL_CORE)
|
|
/* Configure the interrupt mode */
|
|
if ((sConfigAVD->Mode & AVD_MODE_IT) == AVD_MODE_IT)
|
|
{
|
|
__HAL_PWR_AVD_EXTI_ENABLE_IT ();
|
|
}
|
|
|
|
/* Configure the event mode */
|
|
if ((sConfigAVD->Mode & AVD_MODE_EVT) == AVD_MODE_EVT)
|
|
{
|
|
__HAL_PWR_AVD_EXTI_ENABLE_EVENT ();
|
|
}
|
|
#endif /* !defined (DUAL_CORE) */
|
|
|
|
/* Rising edge configuration */
|
|
if ((sConfigAVD->Mode & AVD_RISING_EDGE) == AVD_RISING_EDGE)
|
|
{
|
|
__HAL_PWR_AVD_EXTI_ENABLE_RISING_EDGE ();
|
|
}
|
|
|
|
/* Falling edge configuration */
|
|
if ((sConfigAVD->Mode & AVD_FALLING_EDGE) == AVD_FALLING_EDGE)
|
|
{
|
|
__HAL_PWR_AVD_EXTI_ENABLE_FALLING_EDGE ();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief Enable the Analog Voltage Detector (AVD).
|
|
* @retval None.
|
|
*/
|
|
void HAL_PWREx_EnableAVD (void)
|
|
{
|
|
/* Enable the Analog Voltage Detector */
|
|
SET_BIT (PWR->CR1, PWR_CR1_AVDEN);
|
|
}
|
|
|
|
/**
|
|
* @brief Disable the Analog Voltage Detector(AVD).
|
|
* @retval None.
|
|
*/
|
|
void HAL_PWREx_DisableAVD (void)
|
|
{
|
|
/* Disable the Analog Voltage Detector */
|
|
CLEAR_BIT (PWR->CR1, PWR_CR1_AVDEN);
|
|
}
|
|
|
|
/**
|
|
* @brief This function handles the PWR PVD/AVD interrupt request.
|
|
* @note This API should be called under the PVD_AVD_IRQHandler().
|
|
* @retval None
|
|
*/
|
|
void HAL_PWREx_PVD_AVD_IRQHandler (void)
|
|
{
|
|
/* Check if the Programmable Voltage Detector is enabled (PVD) */
|
|
if(READ_BIT (PWR->CR1, PWR_CR1_PVDEN) != 0U)
|
|
{
|
|
#if defined (DUAL_CORE)
|
|
if (HAL_GetCurrentCPUID () == CM7_CPUID)
|
|
#endif /* defined (DUAL_CORE) */
|
|
{
|
|
/* Check PWR D1/CD EXTI flag */
|
|
if(__HAL_PWR_PVD_EXTI_GET_FLAG () != 0U)
|
|
{
|
|
/* PWR PVD interrupt user callback */
|
|
HAL_PWR_PVDCallback ();
|
|
|
|
/* Clear PWR EXTI D1/CD pending bit */
|
|
__HAL_PWR_PVD_EXTI_CLEAR_FLAG ();
|
|
}
|
|
}
|
|
#if defined (DUAL_CORE)
|
|
else
|
|
{
|
|
/* Check PWR EXTI D2 flag */
|
|
if (__HAL_PWR_PVD_EXTID2_GET_FLAG () != 0U)
|
|
{
|
|
/* PWR PVD interrupt user callback */
|
|
HAL_PWR_PVDCallback ();
|
|
|
|
/* Clear PWR EXTI D2 pending bit */
|
|
__HAL_PWR_PVD_EXTID2_CLEAR_FLAG();
|
|
}
|
|
}
|
|
#endif /* defined (DUAL_CORE) */
|
|
}
|
|
|
|
/* Check if the Analog Voltage Detector is enabled (AVD) */
|
|
if (READ_BIT (PWR->CR1, PWR_CR1_AVDEN) != 0U)
|
|
{
|
|
#if defined (DUAL_CORE)
|
|
if (HAL_GetCurrentCPUID () == CM7_CPUID)
|
|
#endif /* defined (DUAL_CORE) */
|
|
{
|
|
/* Check PWR EXTI D1/CD flag */
|
|
if (__HAL_PWR_AVD_EXTI_GET_FLAG () != 0U)
|
|
{
|
|
/* PWR AVD interrupt user callback */
|
|
HAL_PWREx_AVDCallback ();
|
|
|
|
/* Clear PWR EXTI D1/CD pending bit */
|
|
__HAL_PWR_AVD_EXTI_CLEAR_FLAG ();
|
|
}
|
|
}
|
|
#if defined (DUAL_CORE)
|
|
else
|
|
{
|
|
/* Check PWR EXTI D2 flag */
|
|
if (__HAL_PWR_AVD_EXTID2_GET_FLAG () != 0U)
|
|
{
|
|
/* PWR AVD interrupt user callback */
|
|
HAL_PWREx_AVDCallback ();
|
|
|
|
/* Clear PWR EXTI D2 pending bit */
|
|
__HAL_PWR_AVD_EXTID2_CLEAR_FLAG ();
|
|
}
|
|
}
|
|
#endif /* defined (DUAL_CORE) */
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief PWR AVD interrupt callback.
|
|
* @retval None.
|
|
*/
|
|
__weak void HAL_PWREx_AVDCallback (void)
|
|
{
|
|
/* NOTE : This function should not be modified, when the callback is needed,
|
|
the HAL_PWR_AVDCallback can be implemented in the user file
|
|
*/
|
|
}
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
#endif /* HAL_PWR_MODULE_ENABLED */
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|