STM32F439xx HAL User Manual
stm32f4xx_ll_pwr.c
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00001 /**
00002   ******************************************************************************
00003   * @file    stm32f4xx_ll_pwr.c
00004   * @author  MCD Application Team
00005   * @brief   PWR LL module driver.
00006   ******************************************************************************
00007   * @attention
00008   *
00009   * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
00010   *
00011   * Redistribution and use in source and binary forms, with or without modification,
00012   * are permitted provided that the following conditions are met:
00013   *   1. Redistributions of source code must retain the above copyright notice,
00014   *      this list of conditions and the following disclaimer.
00015   *   2. Redistributions in binary form must reproduce the above copyright notice,
00016   *      this list of conditions and the following disclaimer in the documentation
00017   *      and/or other materials provided with the distribution.
00018   *   3. Neither the name of STMicroelectronics nor the names of its contributors
00019   *      may be used to endorse or promote products derived from this software
00020   *      without specific prior written permission.
00021   *
00022   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00023   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00024   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00025   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
00026   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00027   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
00028   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00029   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00030   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00031   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00032   *
00033   ******************************************************************************
00034   */
00035 #if defined(USE_FULL_LL_DRIVER)
00036 
00037 /* Includes ------------------------------------------------------------------*/
00038 #include "stm32f4xx_ll_pwr.h"
00039 #include "stm32f4xx_ll_bus.h"
00040 
00041 /** @addtogroup STM32F4xx_LL_Driver
00042   * @{
00043   */
00044 
00045 #if defined(PWR)
00046 
00047 /** @defgroup PWR_LL PWR
00048   * @{
00049   */
00050 
00051 /* Private types -------------------------------------------------------------*/
00052 /* Private variables ---------------------------------------------------------*/
00053 /* Private constants ---------------------------------------------------------*/
00054 /* Private macros ------------------------------------------------------------*/
00055 /* Private function prototypes -----------------------------------------------*/
00056 
00057 /* Exported functions --------------------------------------------------------*/
00058 /** @addtogroup PWR_LL_Exported_Functions
00059   * @{
00060   */
00061 
00062 /** @addtogroup PWR_LL_EF_Init
00063   * @{
00064   */
00065 
00066 /**
00067   * @brief  De-initialize the PWR registers to their default reset values.
00068   * @retval An ErrorStatus enumeration value:
00069   *          - SUCCESS: PWR registers are de-initialized
00070   *          - ERROR: not applicable
00071   */
00072 ErrorStatus LL_PWR_DeInit(void)
00073 {
00074   /* Force reset of PWR clock */
00075   LL_APB1_GRP1_ForceReset(LL_APB1_GRP1_PERIPH_PWR);
00076 
00077   /* Release reset of PWR clock */
00078   LL_APB1_GRP1_ReleaseReset(LL_APB1_GRP1_PERIPH_PWR);
00079 
00080   return SUCCESS;
00081 }
00082 
00083 /**
00084   * @}
00085   */
00086 
00087 /**
00088   * @}
00089   */
00090 
00091 /**
00092   * @}
00093   */
00094 #endif /* defined(PWR) */
00095 /**
00096   * @}
00097   */
00098 
00099 #endif /* USE_FULL_LL_DRIVER */
00100 
00101 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/