STM32L443xx HAL User Manual
stm32l4xx_ll_pwr.c
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00001 /**
00002   ******************************************************************************
00003   * @file    stm32l4xx_ll_pwr.c
00004   * @author  MCD Application Team
00005   * @brief   PWR LL module driver.
00006   ******************************************************************************
00007   * @attention
00008   *
00009   * Copyright (c) 2017 STMicroelectronics.
00010   * All rights reserved.
00011   *
00012   * This software is licensed under terms that can be found in the LICENSE file
00013   * in the root directory of this software component.
00014   * If no LICENSE file comes with this software, it is provided AS-IS.
00015   *
00016   ******************************************************************************
00017   */
00018 #if defined(USE_FULL_LL_DRIVER)
00019 
00020 /* Includes ------------------------------------------------------------------*/
00021 #include "stm32l4xx_ll_pwr.h"
00022 #include "stm32l4xx_ll_bus.h"
00023 
00024 /** @addtogroup STM32L4xx_LL_Driver
00025   * @{
00026   */
00027 
00028 #if defined(PWR)
00029 
00030 /** @defgroup PWR_LL PWR
00031   * @{
00032   */
00033 
00034 /* Private types -------------------------------------------------------------*/
00035 /* Private variables ---------------------------------------------------------*/
00036 /* Private constants ---------------------------------------------------------*/
00037 /* Private macros ------------------------------------------------------------*/
00038 /* Private function prototypes -----------------------------------------------*/
00039 
00040 /* Exported functions --------------------------------------------------------*/
00041 /** @addtogroup PWR_LL_Exported_Functions
00042   * @{
00043   */
00044 
00045 /** @addtogroup PWR_LL_EF_Init
00046   * @{
00047   */
00048 
00049 /**
00050   * @brief  De-initialize the PWR registers to their default reset values.
00051   * @retval An ErrorStatus enumeration value:
00052   *          - SUCCESS: PWR registers are de-initialized
00053   *          - ERROR: not applicable
00054   */
00055 ErrorStatus LL_PWR_DeInit(void)
00056 {
00057   /* Force reset of PWR clock */
00058   LL_APB1_GRP1_ForceReset(LL_APB1_GRP1_PERIPH_PWR);
00059 
00060   /* Release reset of PWR clock */
00061   LL_APB1_GRP1_ReleaseReset(LL_APB1_GRP1_PERIPH_PWR);
00062 
00063   return SUCCESS;
00064 }
00065 
00066 /**
00067   * @}
00068   */
00069 
00070 /**
00071   * @}
00072   */
00073 
00074 /**
00075   * @}
00076   */
00077 #endif /* defined(PWR) */
00078 /**
00079   * @}
00080   */
00081 
00082 #endif /* USE_FULL_LL_DRIVER */