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annotate Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_pwr.c @ 243:b7b481df4f22 div-fixes-5

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debug: add SPI error counter to compass calibration This is a debug only extension. It is possible to force SPI errors and a failing compass calibration by rotating fast during the calibration cycle. This extra debug output (only activated with the proper #define statements) is a first aid in helping to find the underlying issue. Signed-off-by: Jan Mulder <jlmulder@xs4all.nl>
author Jan Mulder <jlmulder@xs4all.nl>
date Mon, 08 Apr 2019 12:35:59 +0200
parents c78bcbd5deda
children
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1 /**
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2 ******************************************************************************
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3 * @file stm32f4xx_ll_pwr.c
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4 * @author MCD Application Team
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5 * @brief PWR LL module driver.
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6 ******************************************************************************
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7 * @attention
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8 *
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9 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
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10 *
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11 * Redistribution and use in source and binary forms, with or without modification,
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12 * are permitted provided that the following conditions are met:
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13 * 1. Redistributions of source code must retain the above copyright notice,
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14 * this list of conditions and the following disclaimer.
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15 * 2. Redistributions in binary form must reproduce the above copyright notice,
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16 * this list of conditions and the following disclaimer in the documentation
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17 * and/or other materials provided with the distribution.
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18 * 3. Neither the name of STMicroelectronics nor the names of its contributors
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19 * may be used to endorse or promote products derived from this software
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20 * without specific prior written permission.
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21 *
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22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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25 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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32 *
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33 ******************************************************************************
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34 */
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35 #if defined(USE_FULL_LL_DRIVER)
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36
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37 /* Includes ------------------------------------------------------------------*/
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38 #include "stm32f4xx_ll_pwr.h"
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39 #include "stm32f4xx_ll_bus.h"
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40
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41 /** @addtogroup STM32F4xx_LL_Driver
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42 * @{
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43 */
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44
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45 #if defined(PWR)
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46
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47 /** @defgroup PWR_LL PWR
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48 * @{
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49 */
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50
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51 /* Private types -------------------------------------------------------------*/
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52 /* Private variables ---------------------------------------------------------*/
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53 /* Private constants ---------------------------------------------------------*/
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54 /* Private macros ------------------------------------------------------------*/
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55 /* Private function prototypes -----------------------------------------------*/
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56
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57 /* Exported functions --------------------------------------------------------*/
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58 /** @addtogroup PWR_LL_Exported_Functions
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59 * @{
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60 */
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61
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62 /** @addtogroup PWR_LL_EF_Init
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63 * @{
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64 */
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65
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66 /**
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67 * @brief De-initialize the PWR registers to their default reset values.
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68 * @retval An ErrorStatus enumeration value:
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69 * - SUCCESS: PWR registers are de-initialized
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70 * - ERROR: not applicable
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71 */
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72 ErrorStatus LL_PWR_DeInit(void)
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73 {
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74 /* Force reset of PWR clock */
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75 LL_APB1_GRP1_ForceReset(LL_APB1_GRP1_PERIPH_PWR);
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76
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77 /* Release reset of PWR clock */
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78 LL_APB1_GRP1_ReleaseReset(LL_APB1_GRP1_PERIPH_PWR);
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79
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80 return SUCCESS;
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81 }
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82
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83 /**
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84 * @}
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85 */
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86
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87 /**
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88 * @}
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89 */
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90
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91 /**
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92 * @}
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93 */
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94 #endif /* defined(PWR) */
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95 /**
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96 * @}
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97 */
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98
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99 #endif /* USE_FULL_LL_DRIVER */
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100
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101 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/