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Tim-Erik Düntzsch
271
Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_pwr_ex.c
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271
Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_pwr_ex.c
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/**
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******************************************************************************
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* @file stm32f0xx_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 the Power Controller (PWR) peripheral:
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* + Extended Initialization and de-initialization functions
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* + Extended Peripheral Control functions
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*
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2016 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "stm32f0xx_hal.h"
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/** @addtogroup STM32F0xx_HAL_Driver
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* @{
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*/
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/** @defgroup PWREx PWREx
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* @brief PWREx 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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/** @defgroup PWREx_Private_Constants PWREx Private Constants
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* @{
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*/
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#define PVD_MODE_IT (0x00010000U)
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#define PVD_MODE_EVT (0x00020000U)
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#define PVD_RISING_EDGE (0x00000001U)
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#define PVD_FALLING_EDGE (0x00000002U)
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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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/* 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 Peripheral Extended Control Functions
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* @brief Extended Peripheral Control functions
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*
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@verbatim
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===============================================================================
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##### Peripheral extended control functions #####
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===============================================================================
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*** PVD configuration ***
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=========================
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[..]
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(+) The PVD is used to monitor the VDD power supply by comparing it to a
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threshold selected by the PVD Level (PLS[2:0] bits in the PWR_CR).
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(+) A PVDO flag is available to indicate if VDD/VDDA is higher or lower
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than the PVD threshold. This event is internally connected to the EXTI
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line16 and can generate an interrupt if enabled. This is done through
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HAL_PWR_ConfigPVD(), HAL_PWR_EnablePVD() functions.
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(+) The PVD is stopped in Standby mode.
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-@- PVD is not available on STM32F030x4/x6/x8
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*** VDDIO2 Monitor Configuration ***
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====================================
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[..]
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(+) VDDIO2 monitor is used to monitor the VDDIO2 power supply by comparing it
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to VREFInt Voltage
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(+) This monitor is internally connected to the EXTI line31
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and can generate an interrupt if enabled. This is done through
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HAL_PWREx_EnableVddio2Monitor() function.
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-@- VDDIO2 is available on STM32F07x/09x/04x
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@endverbatim
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* @{
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*/
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#if defined (STM32F031x6) || defined (STM32F051x8) || \
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defined (STM32F071xB) || defined (STM32F091xC) || \
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defined (STM32F042x6) || defined (STM32F072xB)
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/**
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* @brief Configures the voltage threshold detected by the Power Voltage Detector(PVD).
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* @param sConfigPVD pointer to an PWR_PVDTypeDef structure that contains the configuration
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* information for the PVD.
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* @note Refer to the electrical characteristics of your device datasheet for
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* more details about the voltage threshold corresponding to each
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* detection level.
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* @retval None
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*/
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void HAL_PWR_ConfigPVD(PWR_PVDTypeDef *sConfigPVD)
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{
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/* Check the parameters */
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assert_param(IS_PWR_PVD_LEVEL(sConfigPVD->PVDLevel));
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assert_param(IS_PWR_PVD_MODE(sConfigPVD->Mode));
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/* Set PLS[7:5] bits according to PVDLevel value */
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MODIFY_REG(PWR->CR, PWR_CR_PLS, sConfigPVD->PVDLevel);
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/* Clear any previous config. Keep it clear if no event or IT mode is selected */
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__HAL_PWR_PVD_EXTI_DISABLE_EVENT();
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__HAL_PWR_PVD_EXTI_DISABLE_IT();
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__HAL_PWR_PVD_EXTI_DISABLE_RISING_EDGE();__HAL_PWR_PVD_EXTI_DISABLE_FALLING_EDGE();
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/* Configure interrupt mode */
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if((sConfigPVD->Mode & PVD_MODE_IT) == PVD_MODE_IT)
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{
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__HAL_PWR_PVD_EXTI_ENABLE_IT();
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}
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/* Configure event mode */
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if((sConfigPVD->Mode & PVD_MODE_EVT) == PVD_MODE_EVT)
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{
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__HAL_PWR_PVD_EXTI_ENABLE_EVENT();
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}
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/* Configure the edge */
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if((sConfigPVD->Mode & PVD_RISING_EDGE) == PVD_RISING_EDGE)
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{
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__HAL_PWR_PVD_EXTI_ENABLE_RISING_EDGE();
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}
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if((sConfigPVD->Mode & PVD_FALLING_EDGE) == PVD_FALLING_EDGE)
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{
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__HAL_PWR_PVD_EXTI_ENABLE_FALLING_EDGE();
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}
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}
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/**
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* @brief Enables the Power Voltage Detector(PVD).
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* @retval None
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*/
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void HAL_PWR_EnablePVD(void)
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{
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PWR->CR |= (uint32_t)PWR_CR_PVDE;
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}
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/**
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* @brief Disables the Power Voltage Detector(PVD).
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* @retval None
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*/
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void HAL_PWR_DisablePVD(void)
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{
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PWR->CR &= ~((uint32_t)PWR_CR_PVDE);
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}
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/**
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* @brief This function handles the PWR PVD interrupt request.
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* @note This API should be called under the PVD_IRQHandler() or PVD_VDDIO2_IRQHandler().
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* @retval None
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*/
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void HAL_PWR_PVD_IRQHandler(void)
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{
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/* Check PWR exti flag */
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if(__HAL_PWR_PVD_EXTI_GET_FLAG() != RESET)
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{
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/* PWR PVD interrupt user callback */
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HAL_PWR_PVDCallback();
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/* Clear PWR Exti pending bit */
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__HAL_PWR_PVD_EXTI_CLEAR_FLAG();
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}
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}
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/**
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* @brief PWR PVD interrupt callback
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* @retval None
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*/
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__weak void HAL_PWR_PVDCallback(void)
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{
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/* NOTE : This function Should not be modified, when the callback is needed,
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the HAL_PWR_PVDCallback could be implemented in the user file
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*/
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}
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#endif /* defined (STM32F031x6) || defined (STM32F051x8) || */
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/* defined (STM32F071xB) || defined (STM32F091xC) || */
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/* defined (STM32F042x6) || defined (STM32F072xB) */
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#if defined (STM32F042x6) || defined (STM32F048xx) || \
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defined (STM32F071xB) || defined (STM32F072xB) || defined (STM32F078xx) || \
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defined (STM32F091xC) || defined (STM32F098xx)
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/**
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* @brief Enable VDDIO2 monitor: enable Exti 31 and falling edge detection.
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* @note If Exti 31 is enable correlty and VDDIO2 voltage goes below Vrefint,
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an interrupt is generated Irq line 1.
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NVIS has to be enable by user.
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* @retval None
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*/
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void HAL_PWREx_EnableVddio2Monitor(void)
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{
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__HAL_PWR_VDDIO2_EXTI_ENABLE_IT();
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__HAL_PWR_VDDIO2_EXTI_ENABLE_FALLING_EDGE();
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}
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/**
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* @brief Disable the Vddio2 Monitor.
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* @retval None
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*/
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void HAL_PWREx_DisableVddio2Monitor(void)
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{
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__HAL_PWR_VDDIO2_EXTI_DISABLE_IT();
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__HAL_PWR_VDDIO2_EXTI_DISABLE_FALLING_EDGE();
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}
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/**
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* @brief This function handles the PWR Vddio2 monitor interrupt request.
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* @note This API should be called under the VDDIO2_IRQHandler() PVD_VDDIO2_IRQHandler().
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* @retval None
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*/
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void HAL_PWREx_Vddio2Monitor_IRQHandler(void)
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{
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/* Check PWR exti flag */
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if(__HAL_PWR_VDDIO2_EXTI_GET_FLAG() != RESET)
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{
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/* PWR Vddio2 monitor interrupt user callback */
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HAL_PWREx_Vddio2MonitorCallback();
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/* Clear PWR Exti pending bit */
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__HAL_PWR_VDDIO2_EXTI_CLEAR_FLAG();
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}
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}
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/**
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* @brief PWR Vddio2 Monitor interrupt callback
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* @retval None
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*/
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__weak void HAL_PWREx_Vddio2MonitorCallback(void)
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{
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/* NOTE : This function Should not be modified, when the callback is needed,
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the HAL_PWREx_Vddio2MonitorCallback could be implemented in the user file
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*/
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}
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#endif /* defined (STM32F042x6) || defined (STM32F048xx) || \
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defined (STM32F071xB) || defined (STM32F072xB) || defined (STM32F078xx) || \
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defined (STM32F091xC) || defined (STM32F098xx) */
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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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#endif /* HAL_PWR_MODULE_ENABLED */
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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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