lib/main/STM32F3/Drivers/STM32F3xx_HAL_Driver/Src/stm32f3xx_ll_pwr.c

   1 /**
   2   ******************************************************************************
   3   * @file    stm32f3xx_ll_pwr.c
   4   * @author  MCD Application Team
   5   * @brief   PWR LL module driver.
   6   ******************************************************************************
   7   * @attention
   8   *
   9   * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
  10   *
  11   * Redistribution and use in source and binary forms, with or without modification,
  12   * are permitted provided that the following conditions are met:
  13   *   1. Redistributions of source code must retain the above copyright notice,
  14   *      this list of conditions and the following disclaimer.
  15   *   2. Redistributions in binary form must reproduce the above copyright notice,
  16   *      this list of conditions and the following disclaimer in the documentation
  17   *      and/or other materials provided with the distribution.
  18   *   3. Neither the name of STMicroelectronics nor the names of its contributors
  19   *      may be used to endorse or promote products derived from this software
  20   *      without specific prior written permission.
  21   *
  22   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  23   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  25   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  26   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  28   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  29   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  30   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32   *
  33   ******************************************************************************
  34   */
  35 #if defined(USE_FULL_LL_DRIVER)
  36
  37 /* Includes ------------------------------------------------------------------*/
  38 #include "stm32f3xx_ll_pwr.h"
  39 #include "stm32f3xx_ll_bus.h"
  40
  41 /** @addtogroup STM32F3xx_LL_Driver
  42   * @{
  43   */
  44
  45 #if defined(PWR)
  46
  47 /** @defgroup PWR_LL PWR
  48   * @{
  49   */
  50
  51 /* Private types -------------------------------------------------------------*/
  52 /* Private variables ---------------------------------------------------------*/
  53 /* Private constants ---------------------------------------------------------*/
  54 /* Private macros ------------------------------------------------------------*/
  55 /* Private function prototypes -----------------------------------------------*/
  56
  57 /* Exported functions --------------------------------------------------------*/
  58 /** @addtogroup PWR_LL_Exported_Functions
  59   * @{
  60   */
  61
  62 /** @addtogroup PWR_LL_EF_Init
  63   * @{
  64   */
  65
  66 /**
  67   * @brief  De-initialize the PWR registers to their default reset values.
  68   * @retval An ErrorStatus enumeration value:
  69   *          - SUCCESS: PWR registers are de-initialized
  70   *          - ERROR: not applicable
  71   */
  72 ErrorStatus LL_PWR_DeInit(void)
  73 {
  74   /* Force reset of PWR clock */
  75   LL_APB1_GRP1_ForceReset(LL_APB1_GRP1_PERIPH_PWR);
  76
  77   /* Release reset of PWR clock */
  78   LL_APB1_GRP1_ReleaseReset(LL_APB1_GRP1_PERIPH_PWR);
  79
  80   return SUCCESS;
  81 }
  82
  83 /**
  84   * @}
  85   */
  86
  87 /**
  88   * @}
  89   */
  90
  91 /**
  92   * @}
  93   */
  94 #endif /* defined(PWR) */
  95 /**
  96   * @}
  97   */
  98
  99 #endif /* USE_FULL_LL_DRIVER */
 100
 101 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/