1 /**
2 ******************************************************************************
3 * @file stm32l4xx_ll_pwr.c
4 * @author MCD Application Team
5 * @brief PWR LL module driver.
6 ******************************************************************************
7 * @attention
8 *
9 * <h2><center>© Copyright (c) 2017 STMicroelectronics.
10 * All rights reserved.</center></h2>
11 *
12 * This software component is licensed by ST under BSD 3-Clause license,
13 * the "License"; You may not use this file except in compliance with the
14 * License. You may obtain a copy of the License at:
15 * opensource.org/licenses/BSD-3-Clause
16 *
17 ******************************************************************************
18 */
19 #if defined(USE_FULL_LL_DRIVER)
20
21 /* Includes ------------------------------------------------------------------*/
22 #include "stm32l4xx_ll_pwr.h"
23 #include "stm32l4xx_ll_bus.h"
24
25 /** @addtogroup STM32L4xx_LL_Driver
26 * @{
27 */
28
29 #if defined(PWR)
30
31 /** @defgroup PWR_LL PWR
32 * @{
33 */
34
35 /* Private types -------------------------------------------------------------*/
36 /* Private variables ---------------------------------------------------------*/
37 /* Private constants ---------------------------------------------------------*/
38 /* Private macros ------------------------------------------------------------*/
39 /* Private function prototypes -----------------------------------------------*/
40
41 /* Exported functions --------------------------------------------------------*/
42 /** @addtogroup PWR_LL_Exported_Functions
43 * @{
44 */
45
46 /** @addtogroup PWR_LL_EF_Init
47 * @{
48 */
49
50 /**
51 * @brief De-initialize the PWR registers to their default reset values.
52 * @retval An ErrorStatus enumeration value:
53 * - SUCCESS: PWR registers are de-initialized
54 * - ERROR: not applicable
55 */
LL_PWR_DeInit(void)56 ErrorStatus LL_PWR_DeInit(void)
57 {
58 /* Force reset of PWR clock */
59 LL_APB1_GRP1_ForceReset(LL_APB1_GRP1_PERIPH_PWR);
60
61 /* Release reset of PWR clock */
62 LL_APB1_GRP1_ReleaseReset(LL_APB1_GRP1_PERIPH_PWR);
63
64 return SUCCESS;
65 }
66
67 /**
68 * @}
69 */
70
71 /**
72 * @}
73 */
74
75 /**
76 * @}
77 */
78 #endif /* defined(PWR) */
79 /**
80 * @}
81 */
82
83 #endif /* USE_FULL_LL_DRIVER */
84
85 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
86