| /** |
| ****************************************************************************** |
| * @file stm32l5xx_hal_pwr_ex.c |
| * @author MCD Application Team |
| * @brief Extended PWR HAL module driver. |
| * This file provides firmware functions to manage the following |
| * functionalities of the Power Controller (PWR) peripheral: |
| * + Extended Initialization and de-initialization functions |
| * + Extended Peripheral Control functions |
| * |
| ****************************************************************************** |
| * @attention |
| * |
| * Copyright (c) 2019 STMicroelectronics. |
| * All rights reserved. |
| * |
| * This software is licensed under terms that can be found in the LICENSE file in |
| * the root directory of this software component. |
| * If no LICENSE file comes with this software, it is provided AS-IS. |
| ****************************************************************************** |
| */ |
| |
| /* Includes ------------------------------------------------------------------*/ |
| #include "stm32l5xx_hal.h" |
| |
| /** @addtogroup STM32L5xx_HAL_Driver |
| * @{ |
| */ |
| |
| /** @defgroup PWREx PWREx |
| * @brief PWR Extended HAL module driver |
| * @{ |
| */ |
| |
| #ifdef HAL_PWR_MODULE_ENABLED |
| |
| /* Private typedef -----------------------------------------------------------*/ |
| /* Private define ------------------------------------------------------------*/ |
| |
| /** @defgroup PWR_Extended_Private_Defines PWR Extended Private Defines |
| * @{ |
| */ |
| |
| #define PWR_PORTH_AVAILABLE_PINS ((uint32_t)0x0000000B) /* PH0/PH1/PH3 */ |
| |
| /** @defgroup PWREx_PVM_Mode_Mask PWR PVM Mode Mask |
| * @{ |
| */ |
| #define PVM_MODE_IT ((uint32_t)0x00010000) /*!< Mask for interruption yielded by PVM threshold crossing */ |
| #define PVM_MODE_EVT ((uint32_t)0x00020000) /*!< Mask for event yielded by PVM threshold crossing */ |
| #define PVM_RISING_EDGE ((uint32_t)0x00000001) /*!< Mask for rising edge set as PVM trigger */ |
| #define PVM_FALLING_EDGE ((uint32_t)0x00000002) /*!< Mask for falling edge set as PVM trigger */ |
| /** |
| * @} |
| */ |
| |
| /** @defgroup PWREx_TimeOut_Value PWR Extended Flag Setting Time Out Value |
| * @{ |
| */ |
| #define PWR_REGLP_SETTING_DELAY_VALUE 300UL /*!< Time out value for REGLPF flag setting */ |
| |
| #define PWR_VOSF_SETTING_DELAY_VALUE 50UL /*!< Time out value for VOSF flag setting */ |
| |
| #define PWR_MODE_CHANGE_DELAY_VALUE 1000UL /*!< Time out for step down converter operating mode */ |
| |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| /* Private macro -------------------------------------------------------------*/ |
| /* Private variables ---------------------------------------------------------*/ |
| /* Private function prototypes -----------------------------------------------*/ |
| /* Exported functions --------------------------------------------------------*/ |
| |
| /** @defgroup PWREx_Exported_Functions PWR Extended Exported Functions |
| * @{ |
| */ |
| |
| /** @defgroup PWREx_Exported_Functions_Group1 Extended Peripheral Control functions |
| * @brief Extended Peripheral Control functions |
| * |
| @verbatim |
| =============================================================================== |
| ##### Extended Peripheral Initialization and de-initialization functions ##### |
| =============================================================================== |
| [..] |
| |
| @endverbatim |
| * @{ |
| */ |
| |
| |
| /** |
| * @brief Return Voltage Scaling Range. |
| * @retval VOS bit field (PWR_REGULATOR_VOLTAGE_SCALE0, PWR_REGULATOR_VOLTAGE_SCALE1 or PWR_REGULATOR_VOLTAGE_SCALE2) |
| */ |
| uint32_t HAL_PWREx_GetVoltageRange(void) |
| { |
| return (PWR->CR1 & PWR_CR1_VOS); |
| } |
| |
| /** |
| * @brief Configure the main internal regulator output voltage. |
| * @param VoltageScaling specifies the regulator output voltage to achieve |
| * a tradeoff between performance and power consumption. |
| * This parameter can be one of the following values: |
| * @arg @ref PWR_REGULATOR_VOLTAGE_SCALE0 Regulator voltage output range 0 mode, |
| * typical output voltage at 1.28 V, |
| * system frequency up to 100 MHz. |
| * @arg @ref PWR_REGULATOR_VOLTAGE_SCALE1 Regulator voltage output range 1 mode, |
| * typical output voltage at 1.2 V, |
| * system frequency up to 80 MHz. |
| * @arg @ref PWR_REGULATOR_VOLTAGE_SCALE2 Regulator voltage output range 2 mode, |
| * typical output voltage at 1.0 V, |
| * system frequency up to 26 MHz. |
| * @note When moving from Range 1 to Range 2, the system frequency must be decreased to |
| * a value below 26 MHz before calling HAL_PWREx_ControlVoltageScaling() API. |
| * When moving from Range 2 to Range 1, the system frequency can be increased to |
| * a value up to 80 MHz after calling HAL_PWREx_ControlVoltageScaling() API. |
| * @note When moving from one Range to another , the API waits for VOSF flag to be |
| * cleared before returning the status. If the flag is not cleared within limited time duration, |
| * HAL_TIMEOUT status is reported. |
| * @note The VOS shall NOT be changed in LP Mode of if LP mode is asked. |
| * @note The function shall not be called in Low-power run mode (meaningless and misleading). |
| * @retval HAL Status |
| */ |
| HAL_StatusTypeDef HAL_PWREx_ControlVoltageScaling(uint32_t VoltageScaling) |
| { |
| uint32_t wait_loop_index; |
| |
| assert_param(IS_PWR_VOLTAGE_SCALING_RANGE(VoltageScaling)); |
| |
| uint32_t vos_old = READ_BIT(PWR->CR1, PWR_CR1_VOS); |
| |
| /* VOS shall not be changed in LP Mode */ |
| /* or if LP Mode is asked but not yet established */ |
| if (HAL_PWREx_SMPS_GetEffectiveMode() == PWR_SMPS_LOW_POWER) |
| { |
| return HAL_ERROR; |
| } |
| if (READ_BIT(PWR->CR4, PWR_CR4_SMPSLPEN) == PWR_CR4_SMPSLPEN) |
| { |
| return HAL_ERROR; |
| } |
| |
| /* No change, nothing to do */ |
| if (vos_old == VoltageScaling) |
| { |
| return HAL_OK; |
| } |
| |
| MODIFY_REG(PWR->CR1, PWR_CR1_VOS, VoltageScaling); |
| |
| /* Wait until VOSF is cleared */ |
| /* and at least one iteration loop */ |
| wait_loop_index = ((PWR_VOSF_SETTING_DELAY_VALUE * (SystemCoreClock / 100000U)) / 10U) + 1U; |
| |
| while ((HAL_IS_BIT_SET(PWR->SR2, PWR_SR2_VOSF)) && (wait_loop_index != 0U)) |
| { |
| wait_loop_index--; |
| } |
| |
| if (HAL_IS_BIT_SET(PWR->SR2, PWR_SR2_VOSF)) |
| { |
| return HAL_TIMEOUT; |
| } |
| |
| return HAL_OK; |
| } |
| |
| /** |
| * @brief Enable battery charging. |
| * When VDD is present, charge the external battery on VBAT through an internal resistor. |
| * @param ResistorSelection specifies the resistor impedance. |
| * This parameter can be one of the following values: |
| * @arg @ref PWR_BATTERY_CHARGING_RESISTOR_5 5 kOhms resistor |
| * @arg @ref PWR_BATTERY_CHARGING_RESISTOR_1_5 1.5 kOhms resistor |
| * @retval None |
| */ |
| void HAL_PWREx_EnableBatteryCharging(uint32_t ResistorSelection) |
| { |
| assert_param(IS_PWR_BATTERY_RESISTOR_SELECT(ResistorSelection)); |
| |
| /* Specify resistor selection */ |
| MODIFY_REG(PWR->CR4, PWR_CR4_VBRS, ResistorSelection); |
| |
| /* Enable battery charging */ |
| SET_BIT(PWR->CR4, PWR_CR4_VBE); |
| } |
| |
| |
| /** |
| * @brief Disable battery charging. |
| * @retval None |
| */ |
| void HAL_PWREx_DisableBatteryCharging(void) |
| { |
| CLEAR_BIT(PWR->CR4, PWR_CR4_VBE); |
| } |
| |
| |
| #if defined(PWR_CR2_USV) |
| /** |
| * @brief Enable VDDUSB supply. |
| * @note Remove VDDUSB electrical and logical isolation, once VDDUSB supply is present. |
| * @retval None |
| */ |
| void HAL_PWREx_EnableVddUSB(void) |
| { |
| SET_BIT(PWR->CR2, PWR_CR2_USV); |
| } |
| |
| |
| /** |
| * @brief Disable VDDUSB supply. |
| * @retval None |
| */ |
| void HAL_PWREx_DisableVddUSB(void) |
| { |
| CLEAR_BIT(PWR->CR2, PWR_CR2_USV); |
| } |
| #endif /* PWR_CR2_USV */ |
| |
| /** |
| * @brief Enable VDDIO2 supply. |
| * @note Remove VDDIO2 electrical and logical isolation, once VDDIO2 supply is present. |
| * @retval None |
| */ |
| void HAL_PWREx_EnableVddIO2(void) |
| { |
| SET_BIT(PWR->CR2, PWR_CR2_IOSV); |
| } |
| |
| /** |
| * @brief Disable VDDIO2 supply. |
| * @retval None |
| */ |
| void HAL_PWREx_DisableVddIO2(void) |
| { |
| CLEAR_BIT(PWR->CR2, PWR_CR2_IOSV); |
| } |
| |
| /** |
| * @brief Enable GPIO pull-up state in Standby and Shutdown modes. |
| * @note Set the relevant PUy bits of PWR_PUCRx register to configure the I/O in |
| * pull-up state in Standby and Shutdown modes. |
| * @note This state is effective in Standby and Shutdown modes only if APC bit |
| * is set through HAL_PWREx_EnablePullUpPullDownConfig() API. |
| * @note The configuration is lost when exiting the Shutdown mode due to the |
| * power-on reset, maintained when exiting the Standby mode. |
| * @note To avoid any conflict at Standby and Shutdown modes exits, the corresponding |
| * PDy bit of PWR_PDCRx register is cleared unless it is reserved. |
| * @note Even if a PUy bit to set is reserved, the other PUy bits entered as input |
| * parameter at the same time are set. |
| * @param GPIO specifies the IO port. This parameter can be PWR_GPIO_A, ..., PWR_GPIO_H |
| * (or PWR_GPIO_I depending on the devices) to select the GPIO peripheral. |
| * @param GPIONumber specifies the I/O pins numbers. |
| * This parameter can be one of the following values: |
| * PWR_GPIO_BIT_0, ..., PWR_GPIO_BIT_15 (except for the port where less |
| * I/O pins are available) or the logical OR of several of them to set |
| * several bits for a given port in a single API call. |
| * @retval HAL Status |
| */ |
| HAL_StatusTypeDef HAL_PWREx_EnableGPIOPullUp(uint32_t GPIO, uint32_t GPIONumber) |
| { |
| HAL_StatusTypeDef status = HAL_OK; |
| |
| assert_param(IS_PWR_GPIO(GPIO)); |
| assert_param(IS_PWR_GPIO_BIT_NUMBER(GPIONumber)); |
| |
| switch (GPIO) |
| { |
| case PWR_GPIO_A: |
| SET_BIT(PWR->PUCRA, (GPIONumber & (~(PWR_GPIO_BIT_14)))); |
| CLEAR_BIT(PWR->PDCRA, (GPIONumber & (~(PWR_GPIO_BIT_13 | PWR_GPIO_BIT_15)))); |
| break; |
| case PWR_GPIO_B: |
| SET_BIT(PWR->PUCRB, GPIONumber); |
| CLEAR_BIT(PWR->PDCRB, (GPIONumber & (~(PWR_GPIO_BIT_4)))); |
| break; |
| case PWR_GPIO_C: |
| SET_BIT(PWR->PUCRC, GPIONumber); |
| CLEAR_BIT(PWR->PDCRC, GPIONumber); |
| break; |
| case PWR_GPIO_D: |
| SET_BIT(PWR->PUCRD, GPIONumber); |
| CLEAR_BIT(PWR->PDCRD, GPIONumber); |
| break; |
| case PWR_GPIO_E: |
| SET_BIT(PWR->PUCRE, GPIONumber); |
| CLEAR_BIT(PWR->PDCRE, GPIONumber); |
| break; |
| case PWR_GPIO_F: |
| SET_BIT(PWR->PUCRF, GPIONumber); |
| CLEAR_BIT(PWR->PDCRF, GPIONumber); |
| break; |
| case PWR_GPIO_G: |
| SET_BIT(PWR->PUCRG, GPIONumber); |
| CLEAR_BIT(PWR->PDCRG, GPIONumber); |
| break; |
| case PWR_GPIO_H: |
| SET_BIT(PWR->PUCRH, (GPIONumber & PWR_PORTH_AVAILABLE_PINS)); |
| CLEAR_BIT(PWR->PDCRH, (GPIONumber & PWR_PORTH_AVAILABLE_PINS)); |
| break; |
| default: |
| status = HAL_ERROR; |
| break; |
| } |
| |
| return status; |
| } |
| |
| |
| /** |
| * @brief Disable GPIO pull-up state in Standby mode and Shutdown modes. |
| * @note Reset the relevant PUy bits of PWR_PUCRx register used to configure the I/O |
| * in pull-up state in Standby and Shutdown modes. |
| * @note Even if a PUy bit to reset is reserved, the other PUy bits entered as input |
| * parameter at the same time are reset. |
| * @param GPIO specifies the IO port. This parameter can be PWR_GPIO_A, ..., PWR_GPIO_H |
| * (or PWR_GPIO_I depending on the devices) to select the GPIO peripheral. |
| * @param GPIONumber specifies the I/O pins numbers. |
| * This parameter can be one of the following values: |
| * PWR_GPIO_BIT_0, ..., PWR_GPIO_BIT_15 (except for the port where less |
| * I/O pins are available) or the logical OR of several of them to reset |
| * several bits for a given port in a single API call. |
| * @retval HAL Status |
| */ |
| HAL_StatusTypeDef HAL_PWREx_DisableGPIOPullUp(uint32_t GPIO, uint32_t GPIONumber) |
| { |
| HAL_StatusTypeDef status = HAL_OK; |
| |
| assert_param(IS_PWR_GPIO(GPIO)); |
| assert_param(IS_PWR_GPIO_BIT_NUMBER(GPIONumber)); |
| |
| switch (GPIO) |
| { |
| case PWR_GPIO_A: |
| CLEAR_BIT(PWR->PUCRA, (GPIONumber & (~(PWR_GPIO_BIT_14)))); |
| break; |
| case PWR_GPIO_B: |
| CLEAR_BIT(PWR->PUCRB, GPIONumber); |
| break; |
| case PWR_GPIO_C: |
| CLEAR_BIT(PWR->PUCRC, GPIONumber); |
| break; |
| case PWR_GPIO_D: |
| CLEAR_BIT(PWR->PUCRD, GPIONumber); |
| break; |
| case PWR_GPIO_E: |
| CLEAR_BIT(PWR->PUCRE, GPIONumber); |
| break; |
| case PWR_GPIO_F: |
| CLEAR_BIT(PWR->PUCRF, GPIONumber); |
| break; |
| case PWR_GPIO_G: |
| CLEAR_BIT(PWR->PUCRG, GPIONumber); |
| break; |
| case PWR_GPIO_H: |
| CLEAR_BIT(PWR->PUCRH, (GPIONumber & PWR_PORTH_AVAILABLE_PINS)); |
| break; |
| default: |
| status = HAL_ERROR; |
| break; |
| } |
| |
| return status; |
| } |
| |
| |
| |
| /** |
| * @brief Enable GPIO pull-down state in Standby and Shutdown modes. |
| * @note Set the relevant PDy bits of PWR_PDCRx register to configure the I/O in |
| * pull-down state in Standby and Shutdown modes. |
| * @note This state is effective in Standby and Shutdown modes only if APC bit |
| * is set through HAL_PWREx_EnablePullUpPullDownConfig() API. |
| * @note The configuration is lost when exiting the Shutdown mode due to the |
| * power-on reset, maintained when exiting the Standby mode. |
| * @note To avoid any conflict at Standby and Shutdown modes exits, the corresponding |
| * PUy bit of PWR_PUCRx register is cleared unless it is reserved. |
| * @note Even if a PDy bit to set is reserved, the other PDy bits entered as input |
| * parameter at the same time are set. |
| * @param GPIO specifies the IO port. This parameter can be PWR_GPIO_A..PWR_GPIO_H |
| * (or PWR_GPIO_I depending on the devices) to select the GPIO peripheral. |
| * @param GPIONumber specifies the I/O pins numbers. |
| * This parameter can be one of the following values: |
| * PWR_GPIO_BIT_0, ..., PWR_GPIO_BIT_15 (except for the port where less |
| * I/O pins are available) or the logical OR of several of them to set |
| * several bits for a given port in a single API call. |
| * @retval HAL Status |
| */ |
| HAL_StatusTypeDef HAL_PWREx_EnableGPIOPullDown(uint32_t GPIO, uint32_t GPIONumber) |
| { |
| HAL_StatusTypeDef status = HAL_OK; |
| |
| assert_param(IS_PWR_GPIO(GPIO)); |
| assert_param(IS_PWR_GPIO_BIT_NUMBER(GPIONumber)); |
| |
| switch (GPIO) |
| { |
| case PWR_GPIO_A: |
| SET_BIT(PWR->PDCRA, (GPIONumber & (~(PWR_GPIO_BIT_13 | PWR_GPIO_BIT_15)))); |
| CLEAR_BIT(PWR->PUCRA, (GPIONumber & (~(PWR_GPIO_BIT_14)))); |
| break; |
| case PWR_GPIO_B: |
| SET_BIT(PWR->PDCRB, (GPIONumber & (~(PWR_GPIO_BIT_4)))); |
| CLEAR_BIT(PWR->PUCRB, GPIONumber); |
| break; |
| case PWR_GPIO_C: |
| SET_BIT(PWR->PDCRC, GPIONumber); |
| CLEAR_BIT(PWR->PUCRC, GPIONumber); |
| break; |
| case PWR_GPIO_D: |
| SET_BIT(PWR->PDCRD, GPIONumber); |
| CLEAR_BIT(PWR->PUCRD, GPIONumber); |
| break; |
| case PWR_GPIO_E: |
| SET_BIT(PWR->PDCRE, GPIONumber); |
| CLEAR_BIT(PWR->PUCRE, GPIONumber); |
| break; |
| case PWR_GPIO_F: |
| SET_BIT(PWR->PDCRF, GPIONumber); |
| CLEAR_BIT(PWR->PUCRF, GPIONumber); |
| break; |
| case PWR_GPIO_G: |
| SET_BIT(PWR->PDCRG, GPIONumber); |
| CLEAR_BIT(PWR->PUCRG, GPIONumber); |
| break; |
| case PWR_GPIO_H: |
| SET_BIT(PWR->PDCRH, (GPIONumber & PWR_PORTH_AVAILABLE_PINS)); |
| CLEAR_BIT(PWR->PUCRH, (GPIONumber & PWR_PORTH_AVAILABLE_PINS)); |
| break; |
| default: |
| status = HAL_ERROR; |
| break; |
| } |
| |
| return status; |
| } |
| |
| |
| /** |
| * @brief Disable GPIO pull-down state in Standby and Shutdown modes. |
| * @note Reset the relevant PDy bits of PWR_PDCRx register used to configure the I/O |
| * in pull-down state in Standby and Shutdown modes. |
| * @note Even if a PDy bit to reset is reserved, the other PDy bits entered as input |
| * parameter at the same time are reset. |
| * @param GPIO specifies the IO port. This parameter can be PWR_GPIO_A..PWR_GPIO_H |
| * (or PWR_GPIO_I depending on the devices) to select the GPIO peripheral. |
| * @param GPIONumber specifies the I/O pins numbers. |
| * This parameter can be one of the following values: |
| * PWR_GPIO_BIT_0, ..., PWR_GPIO_BIT_15 (except for the port where less |
| * I/O pins are available) or the logical OR of several of them to reset |
| * several bits for a given port in a single API call. |
| * @retval HAL Status |
| */ |
| HAL_StatusTypeDef HAL_PWREx_DisableGPIOPullDown(uint32_t GPIO, uint32_t GPIONumber) |
| { |
| HAL_StatusTypeDef status = HAL_OK; |
| |
| assert_param(IS_PWR_GPIO(GPIO)); |
| assert_param(IS_PWR_GPIO_BIT_NUMBER(GPIONumber)); |
| |
| switch (GPIO) |
| { |
| case PWR_GPIO_A: |
| CLEAR_BIT(PWR->PDCRA, (GPIONumber & (~(PWR_GPIO_BIT_13 | PWR_GPIO_BIT_15)))); |
| break; |
| case PWR_GPIO_B: |
| CLEAR_BIT(PWR->PDCRB, (GPIONumber & (~(PWR_GPIO_BIT_4)))); |
| break; |
| case PWR_GPIO_C: |
| CLEAR_BIT(PWR->PDCRC, GPIONumber); |
| break; |
| case PWR_GPIO_D: |
| CLEAR_BIT(PWR->PDCRD, GPIONumber); |
| break; |
| case PWR_GPIO_E: |
| CLEAR_BIT(PWR->PDCRE, GPIONumber); |
| break; |
| case PWR_GPIO_F: |
| CLEAR_BIT(PWR->PDCRF, GPIONumber); |
| break; |
| case PWR_GPIO_G: |
| CLEAR_BIT(PWR->PDCRG, GPIONumber); |
| break; |
| case PWR_GPIO_H: |
| CLEAR_BIT(PWR->PDCRH, (GPIONumber & PWR_PORTH_AVAILABLE_PINS)); |
| break; |
| default: |
| status = HAL_ERROR; |
| break; |
| } |
| |
| return status; |
| } |
| |
| |
| |
| /** |
| * @brief Enable pull-up and pull-down configuration. |
| * @note When APC bit is set, the I/O pull-up and pull-down configurations defined in |
| * PWR_PUCRx and PWR_PDCRx registers are applied in Standby and Shutdown modes. |
| * @note Pull-up set by PUy bit of PWR_PUCRx register is not activated if the corresponding |
| * PDy bit of PWR_PDCRx register is also set (pull-down configuration priority is higher). |
| * HAL_PWREx_EnableGPIOPullUp() and HAL_PWREx_EnableGPIOPullDown() API's ensure there |
| * is no conflict when setting PUy or PDy bit. |
| * @retval None |
| */ |
| void HAL_PWREx_EnablePullUpPullDownConfig(void) |
| { |
| SET_BIT(PWR->CR3, PWR_CR3_APC); |
| } |
| |
| |
| /** |
| * @brief Disable pull-up and pull-down configuration. |
| * @note When APC bit is cleared, the I/O pull-up and pull-down configurations defined in |
| * PWR_PUCRx and PWR_PDCRx registers are not applied in Standby and Shutdown modes. |
| * @retval None |
| */ |
| void HAL_PWREx_DisablePullUpPullDownConfig(void) |
| { |
| CLEAR_BIT(PWR->CR3, PWR_CR3_APC); |
| } |
| |
| |
| /** |
| * @brief Configure SRAM2 content retention in Standby mode. |
| * @param SRAM2ContentRetention This parameter can be one of the following values: |
| * @arg @ref PWR_NO_SRAM2_RETENTION |
| * @arg @ref PWR_FULL_SRAM2_RETENTION |
| * @arg @ref PWR_4KBYTES_SRAM2_RETENTION |
| * @note This feature is secured by SMLPM bit when system implements security (TZEN=1). |
| * @retval HAL Status |
| */ |
| HAL_StatusTypeDef HAL_PWREx_ConfigSRAM2ContentRetention(uint32_t SRAM2ContentRetention) |
| { |
| /* Check the parameters */ |
| assert_param(IS_PWR_SRAM2CONTENT_RETENTION(SRAM2ContentRetention)); |
| |
| /* Set RRS bits */ |
| MODIFY_REG(PWR->CR3, PWR_CR3_RRS, SRAM2ContentRetention); |
| |
| return HAL_OK; |
| } |
| |
| |
| /** |
| * @brief Enable SRAM2 content retention in Standby mode. |
| * @note When RRS bit is set, SRAM2 is powered by the low-power regulator in |
| * Standby mode and its content is kept. |
| * @retval None |
| */ |
| void HAL_PWREx_EnableSRAM2ContentRetention(void) |
| { |
| (void) HAL_PWREx_ConfigSRAM2ContentRetention(PWR_FULL_SRAM2_RETENTION); |
| } |
| |
| |
| /** |
| * @brief Disable SRAM2 content retention in Standby mode. |
| * @note When RRS bit is reset, SRAM2 is powered off in Standby mode |
| * and its content is lost. |
| * @retval None |
| */ |
| void HAL_PWREx_DisableSRAM2ContentRetention(void) |
| { |
| (void) HAL_PWREx_ConfigSRAM2ContentRetention(PWR_NO_SRAM2_RETENTION); |
| } |
| |
| |
| /** |
| * @brief Enable the Power Voltage Monitoring 1: VDDUSB versus 1.2 V. |
| * @retval None |
| */ |
| void HAL_PWREx_EnablePVM1(void) |
| { |
| SET_BIT(PWR->CR2, PWR_PVM_1); |
| } |
| |
| /** |
| * @brief Disable the Power Voltage Monitoring 1: VDDUSB versus 1.2 V. |
| * @retval None |
| */ |
| void HAL_PWREx_DisablePVM1(void) |
| { |
| CLEAR_BIT(PWR->CR2, PWR_PVM_1); |
| } |
| |
| /** |
| * @brief Enable the Power Voltage Monitoring 2: VDDIO2 versus 0.9 V. |
| * @retval None |
| */ |
| void HAL_PWREx_EnablePVM2(void) |
| { |
| SET_BIT(PWR->CR2, PWR_PVM_2); |
| } |
| |
| /** |
| * @brief Disable the Power Voltage Monitoring 2: VDDIO2 versus 0.9 V. |
| * @retval None |
| */ |
| void HAL_PWREx_DisablePVM2(void) |
| { |
| CLEAR_BIT(PWR->CR2, PWR_PVM_2); |
| } |
| |
| |
| /** |
| * @brief Enable the Power Voltage Monitoring 3: VDDA versus 1.62 V. |
| * @retval None |
| */ |
| void HAL_PWREx_EnablePVM3(void) |
| { |
| SET_BIT(PWR->CR2, PWR_PVM_3); |
| } |
| |
| /** |
| * @brief Disable the Power Voltage Monitoring 3: VDDA versus 1.62 V. |
| * @retval None |
| */ |
| void HAL_PWREx_DisablePVM3(void) |
| { |
| CLEAR_BIT(PWR->CR2, PWR_PVM_3); |
| } |
| |
| |
| /** |
| * @brief Enable the Power Voltage Monitoring 4: VDDA versus 1.8 V. |
| * @retval None |
| */ |
| void HAL_PWREx_EnablePVM4(void) |
| { |
| SET_BIT(PWR->CR2, PWR_PVM_4); |
| } |
| |
| /** |
| * @brief Disable the Power Voltage Monitoring 4: VDDA versus 1.8 V. |
| * @retval None |
| */ |
| void HAL_PWREx_DisablePVM4(void) |
| { |
| CLEAR_BIT(PWR->CR2, PWR_PVM_4); |
| } |
| |
| |
| |
| |
| /** |
| * @brief Configure the Peripheral Voltage Monitoring (PVM). |
| * @param sConfigPVM pointer to a PWR_PVMTypeDef structure that contains the |
| * PVM configuration information. |
| * @note The API configures a single PVM according to the information contained |
| * in the input structure. To configure several PVMs, the API must be singly |
| * called for each PVM used. |
| * @note Refer to the electrical characteristics of your device datasheet for |
| * more details about the voltage thresholds corresponding to each |
| * detection level and to each monitored supply. |
| * @retval HAL status |
| */ |
| HAL_StatusTypeDef HAL_PWREx_ConfigPVM(PWR_PVMTypeDef *sConfigPVM) |
| { |
| HAL_StatusTypeDef status = HAL_OK; |
| |
| /* Check the parameters */ |
| assert_param(IS_PWR_PVM_TYPE(sConfigPVM->PVMType)); |
| assert_param(IS_PWR_PVM_MODE(sConfigPVM->Mode)); |
| |
| |
| /* Configure EXTI 35 to 38 interrupts if so required: |
| scan through PVMType to detect which PVMx is set and |
| configure the corresponding EXTI line accordingly. */ |
| switch (sConfigPVM->PVMType) |
| { |
| case PWR_PVM_1: |
| /* Clear any previous config. Keep it clear if no event or IT mode is selected */ |
| __HAL_PWR_PVM1_EXTI_DISABLE_EVENT(); |
| __HAL_PWR_PVM1_EXTI_DISABLE_IT(); |
| __HAL_PWR_PVM1_EXTI_DISABLE_FALLING_EDGE(); |
| __HAL_PWR_PVM1_EXTI_DISABLE_RISING_EDGE(); |
| |
| /* Configure interrupt mode */ |
| if ((sConfigPVM->Mode & PVM_MODE_IT) == PVM_MODE_IT) |
| { |
| __HAL_PWR_PVM1_EXTI_ENABLE_IT(); |
| } |
| |
| /* Configure event mode */ |
| if ((sConfigPVM->Mode & PVM_MODE_EVT) == PVM_MODE_EVT) |
| { |
| __HAL_PWR_PVM1_EXTI_ENABLE_EVENT(); |
| } |
| |
| /* Configure the edge */ |
| if ((sConfigPVM->Mode & PVM_RISING_EDGE) == PVM_RISING_EDGE) |
| { |
| __HAL_PWR_PVM1_EXTI_ENABLE_RISING_EDGE(); |
| } |
| |
| if ((sConfigPVM->Mode & PVM_FALLING_EDGE) == PVM_FALLING_EDGE) |
| { |
| __HAL_PWR_PVM1_EXTI_ENABLE_FALLING_EDGE(); |
| } |
| break; |
| |
| case PWR_PVM_2: |
| /* Clear any previous config. Keep it clear if no event or IT mode is selected */ |
| __HAL_PWR_PVM2_EXTI_DISABLE_EVENT(); |
| __HAL_PWR_PVM2_EXTI_DISABLE_IT(); |
| __HAL_PWR_PVM2_EXTI_DISABLE_FALLING_EDGE(); |
| __HAL_PWR_PVM2_EXTI_DISABLE_RISING_EDGE(); |
| |
| /* Configure interrupt mode */ |
| if ((sConfigPVM->Mode & PVM_MODE_IT) == PVM_MODE_IT) |
| { |
| __HAL_PWR_PVM2_EXTI_ENABLE_IT(); |
| } |
| |
| /* Configure event mode */ |
| if ((sConfigPVM->Mode & PVM_MODE_EVT) == PVM_MODE_EVT) |
| { |
| __HAL_PWR_PVM2_EXTI_ENABLE_EVENT(); |
| } |
| |
| /* Configure the edge */ |
| if ((sConfigPVM->Mode & PVM_RISING_EDGE) == PVM_RISING_EDGE) |
| { |
| __HAL_PWR_PVM2_EXTI_ENABLE_RISING_EDGE(); |
| } |
| |
| if ((sConfigPVM->Mode & PVM_FALLING_EDGE) == PVM_FALLING_EDGE) |
| { |
| __HAL_PWR_PVM2_EXTI_ENABLE_FALLING_EDGE(); |
| } |
| break; |
| |
| case PWR_PVM_3: |
| /* Clear any previous config. Keep it clear if no event or IT mode is selected */ |
| __HAL_PWR_PVM3_EXTI_DISABLE_EVENT(); |
| __HAL_PWR_PVM3_EXTI_DISABLE_IT(); |
| __HAL_PWR_PVM3_EXTI_DISABLE_FALLING_EDGE(); |
| __HAL_PWR_PVM3_EXTI_DISABLE_RISING_EDGE(); |
| |
| /* Configure interrupt mode */ |
| if ((sConfigPVM->Mode & PVM_MODE_IT) == PVM_MODE_IT) |
| { |
| __HAL_PWR_PVM3_EXTI_ENABLE_IT(); |
| } |
| |
| /* Configure event mode */ |
| if ((sConfigPVM->Mode & PVM_MODE_EVT) == PVM_MODE_EVT) |
| { |
| __HAL_PWR_PVM3_EXTI_ENABLE_EVENT(); |
| } |
| |
| /* Configure the edge */ |
| if ((sConfigPVM->Mode & PVM_RISING_EDGE) == PVM_RISING_EDGE) |
| { |
| __HAL_PWR_PVM3_EXTI_ENABLE_RISING_EDGE(); |
| } |
| |
| if ((sConfigPVM->Mode & PVM_FALLING_EDGE) == PVM_FALLING_EDGE) |
| { |
| __HAL_PWR_PVM3_EXTI_ENABLE_FALLING_EDGE(); |
| } |
| break; |
| |
| case PWR_PVM_4: |
| /* Clear any previous config. Keep it clear if no event or IT mode is selected */ |
| __HAL_PWR_PVM4_EXTI_DISABLE_EVENT(); |
| __HAL_PWR_PVM4_EXTI_DISABLE_IT(); |
| __HAL_PWR_PVM4_EXTI_DISABLE_FALLING_EDGE(); |
| __HAL_PWR_PVM4_EXTI_DISABLE_RISING_EDGE(); |
| |
| /* Configure interrupt mode */ |
| if ((sConfigPVM->Mode & PVM_MODE_IT) == PVM_MODE_IT) |
| { |
| __HAL_PWR_PVM4_EXTI_ENABLE_IT(); |
| } |
| |
| /* Configure event mode */ |
| if ((sConfigPVM->Mode & PVM_MODE_EVT) == PVM_MODE_EVT) |
| { |
| __HAL_PWR_PVM4_EXTI_ENABLE_EVENT(); |
| } |
| |
| /* Configure the edge */ |
| if ((sConfigPVM->Mode & PVM_RISING_EDGE) == PVM_RISING_EDGE) |
| { |
| __HAL_PWR_PVM4_EXTI_ENABLE_RISING_EDGE(); |
| } |
| |
| if ((sConfigPVM->Mode & PVM_FALLING_EDGE) == PVM_FALLING_EDGE) |
| { |
| __HAL_PWR_PVM4_EXTI_ENABLE_FALLING_EDGE(); |
| } |
| break; |
| |
| default: |
| status = HAL_ERROR; |
| break; |
| } |
| |
| return status; |
| } |
| |
| |
| |
| /** |
| * @brief Enter Low-power Run mode |
| * @note In Low-power Run mode, all I/O pins keep the same state as in Run mode. |
| * @note When Regulator is set to PWR_LOWPOWERREGULATOR_ON, the user can optionally configure the |
| * Flash in power-down monde in setting the RUN_PD bit in FLASH_ACR register. |
| * Additionally, the clock frequency must be reduced below 2 MHz. |
| * Setting RUN_PD in FLASH_ACR then appropriately reducing the clock frequency must |
| * be done before calling HAL_PWREx_EnableLowPowerRunMode() API. |
| * @retval None |
| */ |
| void HAL_PWREx_EnableLowPowerRunMode(void) |
| { |
| /* Set Regulator parameter */ |
| SET_BIT(PWR->CR1, PWR_CR1_LPR); |
| } |
| |
| |
| /** |
| * @brief Exit Low-power Run mode. |
| * @note Before HAL_PWREx_DisableLowPowerRunMode() completion, the function checks that |
| * REGLPF has been properly reset (otherwise, HAL_PWREx_DisableLowPowerRunMode |
| * returns HAL_TIMEOUT status). The system clock frequency can then be |
| * increased above 2 MHz. |
| * @retval HAL Status |
| */ |
| HAL_StatusTypeDef HAL_PWREx_DisableLowPowerRunMode(void) |
| { |
| uint32_t wait_loop_index; |
| |
| /* Clear LPR bit */ |
| CLEAR_BIT(PWR->CR1, PWR_CR1_LPR); |
| |
| /* Wait until REGLPF is reset */ |
| /* and at least one iteration loop */ |
| wait_loop_index = ((PWR_REGLP_SETTING_DELAY_VALUE * (SystemCoreClock / 100000U)) / 10U) + 1U; |
| |
| while ((HAL_IS_BIT_SET(PWR->SR2, PWR_SR2_REGLPF)) && (wait_loop_index != 0U)) |
| { |
| wait_loop_index--; |
| } |
| if (HAL_IS_BIT_SET(PWR->SR2, PWR_SR2_REGLPF)) |
| { |
| return HAL_TIMEOUT; |
| } |
| |
| return HAL_OK; |
| } |
| |
| |
| /** |
| * @brief Enter Stop 0 mode. |
| * @note In Stop 0 mode, main and low voltage regulators are ON. |
| * @note In Stop 0 mode, all I/O pins keep the same state as in Run mode. |
| * @note All clocks in the VCORE domain are stopped; the PLL, the MSI, |
| * the HSI and the HSE oscillators are disabled. Some peripherals with the wakeup capability |
| * (I2Cx, USARTx and LPUART) 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. |
| * SRAM1, SRAM2 and register contents are preserved. |
| * The BOR is available. |
| * @note When exiting Stop 0 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; the MSI oscillator is selected if STOPWUCK is cleared. |
| * @note By keeping the internal regulator ON during Stop 0 mode, the consumption |
| * is higher although the startup time is reduced. |
| * @param STOPEntry specifies if Stop mode in entered with WFI or WFE instruction. |
| * This parameter can be one of the following values: |
| * @arg @ref PWR_STOPENTRY_WFI Enter Stop mode with WFI instruction |
| * @arg @ref PWR_STOPENTRY_WFE Enter Stop mode with WFE instruction |
| * @retval None |
| */ |
| void HAL_PWREx_EnterSTOP0Mode(uint8_t STOPEntry) |
| { |
| /* Check the parameters */ |
| assert_param(IS_PWR_STOP_ENTRY(STOPEntry)); |
| |
| /* Stop 0 mode with Main Regulator */ |
| MODIFY_REG(PWR->CR1, PWR_CR1_LPMS, PWR_CR1_LPMS_STOP0); |
| |
| /* Set SLEEPDEEP bit of Cortex System Control Register */ |
| SET_BIT(SCB->SCR, ((uint32_t)SCB_SCR_SLEEPDEEP_Msk)); |
| |
| /* Select Stop mode entry --------------------------------------------------*/ |
| if (STOPEntry == PWR_STOPENTRY_WFI) |
| { |
| /* Request Wait For Interrupt */ |
| __WFI(); |
| } |
| else |
| { |
| /* Request Wait For Event */ |
| __SEV(); |
| __WFE(); |
| __WFE(); |
| } |
| |
| /* Reset SLEEPDEEP bit of Cortex System Control Register */ |
| CLEAR_BIT(SCB->SCR, ((uint32_t)SCB_SCR_SLEEPDEEP_Msk)); |
| } |
| |
| |
| /** |
| * @brief Enter Stop 1 mode. |
| * @note In Stop 1 mode, only low power voltage regulator is ON. |
| * @note In Stop 1 mode, all I/O pins keep the same state as in Run mode. |
| * @note All clocks in the VCORE domain are stopped; the PLL, the MSI, |
| * the HSI and the HSE oscillators are disabled. Some peripherals with the wakeup capability |
| * (I2Cx, USARTx and LPUART) 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. |
| * SRAM1, SRAM2 and register contents are preserved. |
| * The BOR is available. |
| * @note When exiting Stop 1 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; the MSI oscillator is selected if STOPWUCK is cleared. |
| * @note Due to low power mode, an additional startup delay is incurred when waking up from Stop 1 mode. |
| * @param STOPEntry specifies if Stop mode in entered with WFI or WFE instruction. |
| * This parameter can be one of the following values: |
| * @arg @ref PWR_STOPENTRY_WFI Enter Stop mode with WFI instruction |
| * @arg @ref PWR_STOPENTRY_WFE Enter Stop mode with WFE instruction |
| * @retval None |
| */ |
| void HAL_PWREx_EnterSTOP1Mode(uint8_t STOPEntry) |
| { |
| /* Check the parameters */ |
| assert_param(IS_PWR_STOP_ENTRY(STOPEntry)); |
| |
| /* Stop 1 mode with Low-Power Regulator */ |
| MODIFY_REG(PWR->CR1, PWR_CR1_LPMS, PWR_CR1_LPMS_STOP1); |
| |
| /* Set SLEEPDEEP bit of Cortex System Control Register */ |
| SET_BIT(SCB->SCR, ((uint32_t)SCB_SCR_SLEEPDEEP_Msk)); |
| |
| /* Select Stop mode entry --------------------------------------------------*/ |
| if (STOPEntry == PWR_STOPENTRY_WFI) |
| { |
| /* Request Wait For Interrupt */ |
| __WFI(); |
| } |
| else |
| { |
| /* Request Wait For Event */ |
| __SEV(); |
| __WFE(); |
| __WFE(); |
| } |
| |
| /* Reset SLEEPDEEP bit of Cortex System Control Register */ |
| CLEAR_BIT(SCB->SCR, ((uint32_t)SCB_SCR_SLEEPDEEP_Msk)); |
| } |
| |
| |
| /** |
| * @brief Enter Stop 2 mode. |
| * @note In Stop 2 mode, only low power voltage regulator is ON. |
| * @note In Stop 2 mode, all I/O pins keep the same state as in Run mode. |
| * @note All clocks in the VCORE domain are stopped, the PLL, the MSI, |
| * the HSI and the HSE oscillators are disabled. Some peripherals with wakeup capability |
| * (LCD, LPTIM1, I2C3 and LPUART) 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. |
| * SRAM1, SRAM2 and register contents are preserved. |
| * The BOR is available. |
| * The voltage regulator is set in low-power mode but LPR bit must be cleared to enter stop 2 mode. |
| * Otherwise, Stop 1 mode is entered. |
| * @note When exiting Stop 2 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; the MSI oscillator is selected if STOPWUCK is cleared. |
| * @param STOPEntry specifies if Stop mode in entered with WFI or WFE instruction. |
| * This parameter can be one of the following values: |
| * @arg @ref PWR_STOPENTRY_WFI Enter Stop mode with WFI instruction |
| * @arg @ref PWR_STOPENTRY_WFE Enter Stop mode with WFE instruction |
| * @retval None |
| */ |
| void HAL_PWREx_EnterSTOP2Mode(uint8_t STOPEntry) |
| { |
| /* Check the parameter */ |
| assert_param(IS_PWR_STOP_ENTRY(STOPEntry)); |
| |
| /* Set Stop mode 2 */ |
| MODIFY_REG(PWR->CR1, PWR_CR1_LPMS, PWR_CR1_LPMS_STOP2); |
| |
| /* Set SLEEPDEEP bit of Cortex System Control Register */ |
| SET_BIT(SCB->SCR, ((uint32_t)SCB_SCR_SLEEPDEEP_Msk)); |
| |
| /* Select Stop mode entry --------------------------------------------------*/ |
| if (STOPEntry == PWR_STOPENTRY_WFI) |
| { |
| /* Request Wait For Interrupt */ |
| __WFI(); |
| } |
| else |
| { |
| /* Request Wait For Event */ |
| __SEV(); |
| __WFE(); |
| __WFE(); |
| } |
| |
| /* Reset SLEEPDEEP bit of Cortex System Control Register */ |
| CLEAR_BIT(SCB->SCR, ((uint32_t)SCB_SCR_SLEEPDEEP_Msk)); |
| } |
| |
| |
| |
| |
| |
| /** |
| * @brief Enter Shutdown mode. |
| * @note In Shutdown mode, the PLL, the HSI, the MSI, the LSI and the HSE oscillators are switched |
| * off. The voltage regulator is disabled and Vcore domain is powered off. |
| * SRAM1, SRAM2 and registers contents are lost except for registers in the Backup domain. |
| * The BOR is not available. |
| * @note The I/Os can be configured either with a pull-up or pull-down or can be kept in analog state. |
| * @retval None |
| */ |
| void HAL_PWREx_EnterSHUTDOWNMode(void) |
| { |
| |
| /* Set Shutdown mode */ |
| MODIFY_REG(PWR->CR1, PWR_CR1_LPMS, PWR_CR1_LPMS_SHUTDOWN); |
| |
| /* Set SLEEPDEEP bit of Cortex System Control Register */ |
| SET_BIT(SCB->SCR, ((uint32_t)SCB_SCR_SLEEPDEEP_Msk)); |
| |
| /* This option is used to ensure that store operations are completed */ |
| #if defined ( __CC_ARM) |
| __force_stores(); |
| #endif |
| /* Request Wait For Interrupt */ |
| __WFI(); |
| } |
| |
| |
| |
| |
| /** |
| * @brief This function handles the PWR PVD/PVMx interrupt request. |
| * @note This API should be called under the PVD_PVM_IRQHandler(). |
| * @retval None |
| */ |
| void HAL_PWREx_PVD_PVM_IRQHandler(void) |
| { |
| uint32_t rising_flag; |
| uint32_t falling_flag; |
| |
| rising_flag = READ_REG(EXTI->RPR1); |
| falling_flag = READ_REG(EXTI->FPR1); |
| |
| /* Check PWR exti flags for PVD */ |
| if (((rising_flag | falling_flag) & PWR_EXTI_LINE_PVD) != 0x0U) |
| { |
| /* PWR PVD interrupt user callback */ |
| HAL_PWR_PVDCallback(); |
| |
| /* Clear PVD exti pending bit */ |
| WRITE_REG(EXTI->RPR1, PWR_EXTI_LINE_PVD); |
| WRITE_REG(EXTI->FPR1, PWR_EXTI_LINE_PVD); |
| } |
| |
| /* Next, successively check PVMx exti flags */ |
| rising_flag = READ_REG(EXTI->RPR2); |
| falling_flag = READ_REG(EXTI->FPR2); |
| |
| if (((rising_flag | falling_flag) & PWR_EXTI_LINE_PVM1) != 0x0U) |
| { |
| /* PWR PVM1 interrupt user callback */ |
| HAL_PWREx_PVM1Callback(); |
| |
| /* Clear PVM1 exti pending bit */ |
| WRITE_REG(EXTI->RPR2, PWR_EXTI_LINE_PVM1); |
| WRITE_REG(EXTI->FPR2, PWR_EXTI_LINE_PVM1); |
| } |
| if (((rising_flag | falling_flag) & PWR_EXTI_LINE_PVM2) != 0x0U) |
| { |
| /* PWR PVM2 interrupt user callback */ |
| HAL_PWREx_PVM2Callback(); |
| |
| /* Clear PVM2 exti pending bit */ |
| WRITE_REG(EXTI->RPR2, PWR_EXTI_LINE_PVM2); |
| WRITE_REG(EXTI->FPR2, PWR_EXTI_LINE_PVM2); |
| } |
| if (((rising_flag | falling_flag) & PWR_EXTI_LINE_PVM3) != 0x0U) |
| { |
| /* PWR PVM3 interrupt user callback */ |
| HAL_PWREx_PVM3Callback(); |
| |
| /* Clear PVM3 exti pending bit */ |
| WRITE_REG(EXTI->RPR2, PWR_EXTI_LINE_PVM3); |
| WRITE_REG(EXTI->FPR2, PWR_EXTI_LINE_PVM3); |
| } |
| if (((rising_flag | falling_flag) & PWR_EXTI_LINE_PVM4) != 0x0U) |
| { |
| /* PWR PVM4 interrupt user callback */ |
| HAL_PWREx_PVM4Callback(); |
| |
| /* Clear PVM4 exti pending bit */ |
| WRITE_REG(EXTI->RPR2, PWR_EXTI_LINE_PVM4); |
| WRITE_REG(EXTI->FPR2, PWR_EXTI_LINE_PVM4); |
| } |
| } |
| |
| |
| /** |
| * @brief PWR PVM1 interrupt callback |
| * @retval None |
| */ |
| __weak void HAL_PWREx_PVM1Callback(void) |
| { |
| /* NOTE : This function should not be modified; when the callback is needed, |
| HAL_PWREx_PVM1Callback() API can be implemented in the user file |
| */ |
| } |
| |
| /** |
| * @brief PWR PVM2 interrupt callback |
| * @retval None |
| */ |
| __weak void HAL_PWREx_PVM2Callback(void) |
| { |
| /* NOTE : This function should not be modified; when the callback is needed, |
| HAL_PWREx_PVM2Callback() API can be implemented in the user file |
| */ |
| } |
| |
| /** |
| * @brief PWR PVM3 interrupt callback |
| * @retval None |
| */ |
| __weak void HAL_PWREx_PVM3Callback(void) |
| { |
| /* NOTE : This function should not be modified; when the callback is needed, |
| HAL_PWREx_PVM3Callback() API can be implemented in the user file |
| */ |
| } |
| |
| /** |
| * @brief PWR PVM4 interrupt callback |
| * @retval None |
| */ |
| __weak void HAL_PWREx_PVM4Callback(void) |
| { |
| /* NOTE : This function should not be modified; when the callback is needed, |
| HAL_PWREx_PVM4Callback() API can be implemented in the user file |
| */ |
| } |
| |
| /** |
| * @brief Enable UCPD configuration memorization in Standby. |
| * @note This feature is secured by secured UCPD1 when system implements security (TZEN=1). |
| * @retval None |
| */ |
| void HAL_PWREx_EnableUCPDStandbyMode(void) |
| { |
| /* Memorize UCPD configuration when entering standby mode */ |
| SET_BIT(PWR->CR3, PWR_CR3_UCPD_STDBY); |
| } |
| |
| /** |
| * @brief Disable UCPD configuration memorization in Standby. |
| * @note This function must be called on exiting the Standby mode and before any UCPD |
| * configuration update. |
| * @note This feature is secured by secured UCPD1 when system implements security (TZEN=1). |
| * @retval None |
| */ |
| void HAL_PWREx_DisableUCPDStandbyMode(void) |
| { |
| /* Write 0 immediately after Standby exit when using UCPD, |
| and before writing any UCPD registers */ |
| CLEAR_BIT(PWR->CR3, PWR_CR3_UCPD_STDBY); |
| } |
| |
| /** |
| * @brief Enable the USB Type-C dead battery pull-down behavior |
| * on UCPDx_CC1 and UCPDx_CC2 pins |
| * @note This feature is secured by secured UCPD1 when system implements security (TZEN=1). |
| * @retval None |
| */ |
| void HAL_PWREx_EnableUCPDDeadBattery(void) |
| { |
| /* Write 0 to enable the USB Type-C dead battery pull-down behavior */ |
| CLEAR_BIT(PWR->CR3, PWR_CR3_UCPD_DBDIS); |
| } |
| |
| /** |
| * @brief Disable the USB Type-C dead battery pull-down behavior |
| * on UCPDx_CC1 and UCPDx_CC2 pins |
| * @note This feature is secured by secured UCPD1 when system implements security (TZEN=1). |
| * @note After exiting reset, the USB Type-C dead battery behavior will be enabled, |
| * which may have a pull-down effect on CC1 and CC2 pins. |
| * It is recommended to disable it in all cases, either to stop this pull-down |
| * or to hand over control to the UCPD (which should therefore be |
| * initialized before doing the disable). |
| * @retval None |
| */ |
| void HAL_PWREx_DisableUCPDDeadBattery(void) |
| { |
| /* Write 1 to disable the USB Type-C dead battery pull-down behavior */ |
| SET_BIT(PWR->CR3, PWR_CR3_UCPD_DBDIS); |
| } |
| |
| /** |
| * @brief Enable ultra low power mode. |
| * Enable ultra low power BORL, BORH and PVD in Standby/Shutdown mode. |
| * @note This feature is secured by VDMSEC bit when system implements security (TZEN=1). |
| * @retval None |
| */ |
| void HAL_PWREx_EnableUltraLowPowerMode(void) |
| { |
| /* Enable ultra low power mode */ |
| SET_BIT(PWR->CR3, PWR_CR3_ULPMEN); |
| } |
| |
| /** |
| * @brief Disable ultra low power mode. |
| * @note This feature is secured by VDMSEC bit when system implements security (TZEN=1). |
| * @retval None |
| */ |
| void HAL_PWREx_DisableUltraLowPowerMode(void) |
| { |
| /* Disable ultra low power mode */ |
| CLEAR_BIT(PWR->CR3, PWR_CR3_ULPMEN); |
| } |
| |
| /** |
| * @} |
| */ |
| |
| /** @defgroup PWREx_Exported_Functions_Group2 Extended Power Control SMPS functions |
| * @brief Extended Power Control SMPS functions |
| * |
| @verbatim |
| =============================================================================== |
| ##### Extended Power Control SMPS functions ##### |
| =============================================================================== |
| [..] |
| This subsection provides a set of functions allowing to control the |
| SMPS mode. |
| |
| @endverbatim |
| * @{ |
| */ |
| |
| /** |
| * @brief Set SMPS step down converter operating mode. |
| * @param OperatingMode This parameter can be one of the following values: |
| * @arg @ref PWR_SMPS_HIGH_POWER SMPS step down converter in high-power mode (default) |
| * @arg @ref PWR_SMPS_LOW_POWER SMPS step down converter in low-power mode |
| * @arg @ref PWR_SMPS_BYPASS SMPS step down converter in bypass mode |
| * @note The High-power mode achieves the high efficiency at high current load. |
| * @note The Low-power mode achieves the high efficiency at low current load. |
| * @note The Low-power mode can be enabled only when the main regulator voltage is in range 2 mode. |
| * When Low-power mode is enabled, the voltage scaling must not be modified. This mode can be |
| * only selected when power consumption does not exceed 30 mA. |
| * @note When switching from one power mode to another, HAL_PWREx_SMPS_SetMode() waits for the new |
| * mode to be effective within a limited time duration before returning the status HAL_OK |
| * else it returns HAL_TIMEOUT. A request for Low power mode when the voltage regulator is not |
| * in range 2 is rejected with HAL_ERROR. |
| * @note The Bypass mode can be enabled or disabled on the fly whatever the selected operation mode. |
| * @note The function shall not be called in Low-power run mode (meaningless and misleading). |
| * @retval HAL Status |
| */ |
| |
| HAL_StatusTypeDef HAL_PWREx_SMPS_SetMode(uint32_t OperatingMode) |
| { |
| HAL_StatusTypeDef status; |
| uint32_t pwr_sr1; |
| uint32_t wait_loop_index; |
| |
| /* Check the parameters */ |
| assert_param(IS_PWR_SMPS_MODE(OperatingMode)); |
| |
| if (OperatingMode == PWR_SMPS_HIGH_POWER) |
| { |
| MODIFY_REG(PWR->CR4, (PWR_CR4_SMPSBYP | PWR_CR4_SMPSLPEN), 0U); |
| } |
| else if (OperatingMode == PWR_SMPS_LOW_POWER) |
| { |
| /* ------------------------------------------------------------------------ */ |
| /* SMPS Low-power mode can only be set in range 2 */ |
| if (HAL_PWREx_GetVoltageRange() != PWR_REGULATOR_VOLTAGE_SCALE2) |
| { |
| return HAL_ERROR; |
| } |
| else |
| { |
| pwr_sr1 = READ_REG(PWR->SR1); |
| |
| if (READ_BIT(pwr_sr1, PWR_SR1_SMPSHPRDY | PWR_SR1_SMPSBYPRDY) == 0U) |
| { |
| /* Already in SMPS Low-power mode */ |
| /* Nothing to configure */ |
| } |
| else |
| { |
| /* Switch to Low-power mode */ |
| MODIFY_REG(PWR->CR4, (PWR_CR4_SMPSBYP | PWR_CR4_SMPSLPEN), PWR_CR4_SMPSLPEN); |
| } |
| } |
| } |
| else /* PWR_SMPS_BYPASS */ |
| { |
| HAL_PWREx_SMPS_EnableBypassMode(); |
| } |
| |
| /* Wait until SMPS step down converter operating mode change */ |
| /* and at least one iteration loop */ |
| wait_loop_index = ((PWR_MODE_CHANGE_DELAY_VALUE * (SystemCoreClock / 100000U)) / 10U) + 1U; |
| |
| while ((HAL_PWREx_SMPS_GetEffectiveMode() != OperatingMode) && (wait_loop_index != 0U)) |
| { |
| wait_loop_index--; |
| } |
| |
| if (HAL_PWREx_SMPS_GetEffectiveMode() == OperatingMode) |
| { |
| status = HAL_OK; |
| } |
| else |
| { |
| status = HAL_TIMEOUT; |
| } |
| return status; |
| } |
| |
| /** |
| * @brief Get SMPS effective step down converter operating mode |
| * @retval Returned value can be one of the following values: |
| * @arg @ref PWR_SMPS_HIGH_POWER SMPS step down converter in high-power mode (default) |
| * @arg @ref PWR_SMPS_LOW_POWER SMPS step down converter in low-power mode |
| * @arg @ref PWR_SMPS_BYPASS SMPS step down converter in bypass mode |
| */ |
| uint32_t HAL_PWREx_SMPS_GetEffectiveMode(void) |
| { |
| uint32_t mode; |
| uint32_t pwr_sr1; |
| |
| pwr_sr1 = READ_REG(PWR->SR1); |
| if (READ_BIT(pwr_sr1, PWR_SR1_SMPSBYPRDY) != 0U) |
| { |
| mode = PWR_SMPS_BYPASS; |
| } |
| else if (READ_BIT(pwr_sr1, PWR_SR1_SMPSHPRDY) == 0U) |
| { |
| mode = PWR_SMPS_LOW_POWER; |
| } |
| else |
| { |
| mode = PWR_SMPS_HIGH_POWER; |
| } |
| |
| return mode; |
| } |
| |
| /** |
| * @brief Enable SMPS step down converter fast start. |
| * @note This feature is secured by VDMSEC bit when system implements security (TZEN=1). |
| * @retval None |
| */ |
| void HAL_PWREx_SMPS_EnableFastStart(void) |
| { |
| SET_BIT(PWR->CR4, PWR_CR4_SMPSFSTEN); |
| } |
| |
| /** |
| * @brief Disable SMPS step down converter fast start. |
| * @note This feature is secured by VDMSEC bit when system implements security (TZEN=1). |
| * @retval None |
| */ |
| void HAL_PWREx_SMPS_DisableFastStart(void) |
| { |
| CLEAR_BIT(PWR->CR4, PWR_CR4_SMPSFSTEN); |
| } |
| |
| /** |
| * @brief Disable the SMPS Bypass. |
| * @note This feature is secured by VDMSEC bit when system implements security (TZEN=1). |
| * @retval None |
| */ |
| void HAL_PWREx_SMPS_DisableBypassMode(void) |
| { |
| CLEAR_BIT(PWR->CR4, PWR_CR4_SMPSBYP); |
| } |
| |
| /** |
| * @brief Enable the SMPS Bypass. |
| * @note This feature is secured by VDMSEC bit when system implements security (TZEN=1). |
| * @retval None |
| */ |
| void HAL_PWREx_SMPS_EnableBypassMode(void) |
| { |
| SET_BIT(PWR->CR4, PWR_CR4_SMPSBYP); |
| } |
| |
| |
| /** |
| * @brief Enable external SMPS when external SMPS switch closed. |
| * @note This feature is secured by VDMSEC bit when system implements security (TZEN=1). |
| * @retval None |
| */ |
| void HAL_PWREx_SMPS_EnableExternal(void) |
| { |
| SET_BIT(PWR->CR4, PWR_CR4_EXTSMPSEN); |
| } |
| |
| /** |
| * @brief Disable external SMPS when external SMPS switch closed. |
| * @note This feature is secured by VDMSEC bit when system implements security (TZEN=1). |
| * @retval None |
| */ |
| void HAL_PWREx_SMPS_DisableExternal(void) |
| { |
| CLEAR_BIT(PWR->CR4, PWR_CR4_EXTSMPSEN); |
| } |
| |
| /** |
| * @brief Get Main Regulator status for use with external SMPS |
| * @retval Returned value can be one of the following values: |
| * @arg @ref PWR_MAINREG_READY_FOR_EXTSMPS Main regulator ready for use with external SMPS |
| * @arg @ref PWR_MAINREG_NOT_READY_FOR_EXTSMPS Main regulator not ready for use with external SMPS |
| */ |
| uint32_t HAL_PWREx_SMPS_GetMainRegulatorExtSMPSReadyStatus(void) |
| { |
| uint32_t main_regulator_status; |
| uint32_t pwr_sr1; |
| |
| pwr_sr1 = READ_REG(PWR->SR1); |
| if (READ_BIT(pwr_sr1, PWR_SR1_EXTSMPSRDY) != 0U) |
| { |
| main_regulator_status = PWR_MAINREG_READY_FOR_EXTSMPS; |
| } |
| else |
| { |
| main_regulator_status = PWR_MAINREG_NOT_READY_FOR_EXTSMPS; |
| } |
| return main_regulator_status; |
| } |
| |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| #endif /* HAL_PWR_MODULE_ENABLED */ |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |