stm32l4xx_ll_pwr.c

00001 /**
00002   ******************************************************************************
00003   * @file    stm32l4xx_ll_pwr.c
00004   * @author  MCD Application Team
00005   * @version V1.5.1
00006   * @date    31-May-2016
00007   * @brief   PWR LL module driver.
00008   ******************************************************************************
00009   * @attention
00010   *
00011   * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
00012   *
00013   * Redistribution and use in source and binary forms, with or without modification,
00014   * are permitted provided that the following conditions are met:
00015   *   1. Redistributions of source code must retain the above copyright notice,
00016   *      this list of conditions and the following disclaimer.
00017   *   2. Redistributions in binary form must reproduce the above copyright notice,
00018   *      this list of conditions and the following disclaimer in the documentation
00019   *      and/or other materials provided with the distribution.
00020   *   3. Neither the name of STMicroelectronics nor the names of its contributors
00021   *      may be used to endorse or promote products derived from this software
00022   *      without specific prior written permission.
00023   *
00024   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00025   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00026   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00027   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
00028   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00029   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
00030   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00031   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00032   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00033   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00034   *
00035   ******************************************************************************
00036   */
00037 #if defined(USE_FULL_LL_DRIVER)
00038 
00039 /* Includes ------------------------------------------------------------------*/
00040 #include "stm32l4xx_ll_pwr.h"
00041 #include "stm32l4xx_ll_bus.h"
00042 
00043 /** @addtogroup STM32L4xx_LL_Driver
00044   * @{
00045   */
00046 
00047 #if defined(PWR)
00048 
00049 /** @defgroup PWR_LL PWR
00050   * @{
00051   */
00052 
00053 /* Private types -------------------------------------------------------------*/
00054 /* Private variables ---------------------------------------------------------*/
00055 /* Private constants ---------------------------------------------------------*/
00056 /* Private macros ------------------------------------------------------------*/
00057 /* Private function prototypes -----------------------------------------------*/
00058 
00059 /* Exported functions --------------------------------------------------------*/
00060 /** @addtogroup PWR_LL_Exported_Functions
00061   * @{
00062   */
00063 
00064 /** @addtogroup PWR_LL_EF_Init
00065   * @{
00066   */
00067 
00068 /**
00069   * @brief  De-initialize the PWR registers to their default reset values.
00070   * @retval An ErrorStatus enumeration value:
00071   *          - SUCCESS: PWR registers are de-initialized
00072   *          - ERROR: not applicable
00073   */
00074 ErrorStatus LL_PWR_DeInit(void)
00075 {
00076   /* Force reset of PWR clock */
00077   LL_APB1_GRP1_ForceReset(LL_APB1_GRP1_PERIPH_PWR);
00078 
00079   /* Release reset of PWR clock */
00080   LL_APB1_GRP1_ReleaseReset(LL_APB1_GRP1_PERIPH_PWR);
00081 
00082   return SUCCESS;
00083 }
00084 
00085 /**
00086   * @}
00087   */
00088 
00089 /**
00090   * @}
00091   */
00092 
00093 /**
00094   * @}
00095   */
00096 #endif /* defined(PWR) */
00097 /**
00098   * @}
00099   */
00100 
00101 #endif /* USE_FULL_LL_DRIVER */
00102 
00103 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/