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-/**
- ******************************************************************************
- * @file stm32f0xx_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
- *
- * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- ******************************************************************************
- */
-
-/* Includes ------------------------------------------------------------------*/
-#include "stm32f0xx_hal.h"
-
-/** @addtogroup STM32F0xx_HAL_Driver
- * @{
- */
-
-/** @defgroup PWREx PWREx
- * @brief PWREx HAL module driver
- * @{
- */
-
-#ifdef HAL_PWR_MODULE_ENABLED
-
-/* Private typedef -----------------------------------------------------------*/
-/* Private define ------------------------------------------------------------*/
-/** @defgroup PWREx_Private_Constants PWREx Private Constants
- * @{
- */
-#define PVD_MODE_IT (0x00010000U)
-#define PVD_MODE_EVT (0x00020000U)
-#define PVD_RISING_EDGE (0x00000001U)
-#define PVD_FALLING_EDGE (0x00000002U)
-/**
- * @}
- */
-
-/* Private macro -------------------------------------------------------------*/
-/* Private variables ---------------------------------------------------------*/
-/* Private function prototypes -----------------------------------------------*/
-/* Exported functions ---------------------------------------------------------*/
-
-/** @defgroup PWREx_Exported_Functions PWREx Exported Functions
- * @{
- */
-
-/** @defgroup PWREx_Exported_Functions_Group1 Peripheral Extended Control Functions
- * @brief Extended Peripheral Control functions
- *
-@verbatim
-
- ===============================================================================
- ##### Peripheral extended control functions #####
- ===============================================================================
-
- *** PVD configuration ***
- =========================
- [..]
- (+) The PVD is used to monitor the VDD power supply by comparing it to a
- threshold selected by the PVD Level (PLS[2:0] bits in the PWR_CR).
- (+) A PVDO flag is available to indicate if VDD/VDDA is higher or lower
- than the PVD threshold. This event is internally connected to the EXTI
- line16 and can generate an interrupt if enabled. This is done through
- HAL_PWR_ConfigPVD(), HAL_PWR_EnablePVD() functions.
- (+) The PVD is stopped in Standby mode.
- -@- PVD is not available on STM32F030x4/x6/x8
-
- *** VDDIO2 Monitor Configuration ***
- ====================================
- [..]
- (+) VDDIO2 monitor is used to monitor the VDDIO2 power supply by comparing it
- to VREFInt Voltage
- (+) This monitor is internally connected to the EXTI line31
- and can generate an interrupt if enabled. This is done through
- HAL_PWREx_EnableVddio2Monitor() function.
- -@- VDDIO2 is available on STM32F07x/09x/04x
-
-@endverbatim
- * @{
- */
-
-#if defined (STM32F031x6) || defined (STM32F051x8) || \
- defined (STM32F071xB) || defined (STM32F091xC) || \
- defined (STM32F042x6) || defined (STM32F072xB)
-/**
- * @brief Configures the voltage threshold detected by the Power Voltage Detector(PVD).
- * @param sConfigPVD pointer to an PWR_PVDTypeDef structure that contains the configuration
- * information for the PVD.
- * @note Refer to the electrical characteristics of your device datasheet for
- * more details about the voltage threshold corresponding to each
- * detection level.
- * @retval None
- */
-void HAL_PWR_ConfigPVD(PWR_PVDTypeDef *sConfigPVD)
-{
- /* Check the parameters */
- assert_param(IS_PWR_PVD_LEVEL(sConfigPVD->PVDLevel));
- assert_param(IS_PWR_PVD_MODE(sConfigPVD->Mode));
-
- /* Set PLS[7:5] bits according to PVDLevel value */
- MODIFY_REG(PWR->CR, PWR_CR_PLS, sConfigPVD->PVDLevel);
-
- /* Clear any previous config. Keep it clear if no event or IT mode is selected */
- __HAL_PWR_PVD_EXTI_DISABLE_EVENT();
- __HAL_PWR_PVD_EXTI_DISABLE_IT();
- __HAL_PWR_PVD_EXTI_DISABLE_RISING_EDGE();__HAL_PWR_PVD_EXTI_DISABLE_FALLING_EDGE();
-
- /* Configure interrupt mode */
- if((sConfigPVD->Mode & PVD_MODE_IT) == PVD_MODE_IT)
- {
- __HAL_PWR_PVD_EXTI_ENABLE_IT();
- }
-
- /* Configure event mode */
- if((sConfigPVD->Mode & PVD_MODE_EVT) == PVD_MODE_EVT)
- {
- __HAL_PWR_PVD_EXTI_ENABLE_EVENT();
- }
-
- /* Configure the edge */
- if((sConfigPVD->Mode & PVD_RISING_EDGE) == PVD_RISING_EDGE)
- {
- __HAL_PWR_PVD_EXTI_ENABLE_RISING_EDGE();
- }
-
- if((sConfigPVD->Mode & PVD_FALLING_EDGE) == PVD_FALLING_EDGE)
- {
- __HAL_PWR_PVD_EXTI_ENABLE_FALLING_EDGE();
- }
-}
-
-/**
- * @brief Enables the Power Voltage Detector(PVD).
- * @retval None
- */
-void HAL_PWR_EnablePVD(void)
-{
- PWR->CR |= (uint32_t)PWR_CR_PVDE;
-}
-
-/**
- * @brief Disables the Power Voltage Detector(PVD).
- * @retval None
- */
-void HAL_PWR_DisablePVD(void)
-{
- PWR->CR &= ~((uint32_t)PWR_CR_PVDE);
-}
-
-/**
- * @brief This function handles the PWR PVD interrupt request.
- * @note This API should be called under the PVD_IRQHandler() or PVD_VDDIO2_IRQHandler().
- * @retval None
- */
-void HAL_PWR_PVD_IRQHandler(void)
-{
- /* Check PWR exti flag */
- if(__HAL_PWR_PVD_EXTI_GET_FLAG() != RESET)
- {
- /* PWR PVD interrupt user callback */
- HAL_PWR_PVDCallback();
-
- /* Clear PWR Exti pending bit */
- __HAL_PWR_PVD_EXTI_CLEAR_FLAG();
- }
-}
-
-/**
- * @brief PWR PVD interrupt callback
- * @retval None
- */
-__weak void HAL_PWR_PVDCallback(void)
-{
- /* NOTE : This function Should not be modified, when the callback is needed,
- the HAL_PWR_PVDCallback could be implemented in the user file
- */
-}
-
-#endif /* defined (STM32F031x6) || defined (STM32F051x8) || */
- /* defined (STM32F071xB) || defined (STM32F091xC) || */
- /* defined (STM32F042x6) || defined (STM32F072xB) */
-
-#if defined (STM32F042x6) || defined (STM32F048xx) || \
- defined (STM32F071xB) || defined (STM32F072xB) || defined (STM32F078xx) || \
- defined (STM32F091xC) || defined (STM32F098xx)
-/**
- * @brief Enable VDDIO2 monitor: enable Exti 31 and falling edge detection.
- * @note If Exti 31 is enable correlty and VDDIO2 voltage goes below Vrefint,
- an interrupt is generated Irq line 1.
- NVIS has to be enable by user.
- * @retval None
- */
-void HAL_PWREx_EnableVddio2Monitor(void)
-{
- __HAL_PWR_VDDIO2_EXTI_ENABLE_IT();
- __HAL_PWR_VDDIO2_EXTI_ENABLE_FALLING_EDGE();
-}
-
-/**
- * @brief Disable the Vddio2 Monitor.
- * @retval None
- */
-void HAL_PWREx_DisableVddio2Monitor(void)
-{
- __HAL_PWR_VDDIO2_EXTI_DISABLE_IT();
- __HAL_PWR_VDDIO2_EXTI_DISABLE_FALLING_EDGE();
-
-}
-
-/**
- * @brief This function handles the PWR Vddio2 monitor interrupt request.
- * @note This API should be called under the VDDIO2_IRQHandler() PVD_VDDIO2_IRQHandler().
- * @retval None
- */
-void HAL_PWREx_Vddio2Monitor_IRQHandler(void)
-{
- /* Check PWR exti flag */
- if(__HAL_PWR_VDDIO2_EXTI_GET_FLAG() != RESET)
- {
- /* PWR Vddio2 monitor interrupt user callback */
- HAL_PWREx_Vddio2MonitorCallback();
-
- /* Clear PWR Exti pending bit */
- __HAL_PWR_VDDIO2_EXTI_CLEAR_FLAG();
- }
-}
-
-/**
- * @brief PWR Vddio2 Monitor interrupt callback
- * @retval None
- */
-__weak void HAL_PWREx_Vddio2MonitorCallback(void)
-{
- /* NOTE : This function Should not be modified, when the callback is needed,
- the HAL_PWREx_Vddio2MonitorCallback could be implemented in the user file
- */
-}
-
-#endif /* defined (STM32F042x6) || defined (STM32F048xx) || \
- defined (STM32F071xB) || defined (STM32F072xB) || defined (STM32F078xx) || \
- defined (STM32F091xC) || defined (STM32F098xx) */
-
-/**
- * @}
- */
-
-/**
- * @}
- */
-
-#endif /* HAL_PWR_MODULE_ENABLED */
-/**
- * @}
- */
-
-/**
- * @}
- */
-
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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