| 1 | /**
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| 2 | ******************************************************************************
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| 3 | * File Name : RTC.c
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| 4 | * Description : This file provides code for the configuration
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| 5 | * of the RTC instances.
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| 6 | ******************************************************************************
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| 7 | * @attention
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| 8 | *
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| 9 | * <h2><center>© Copyright (c) 2019 STMicroelectronics.
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| 10 | * All rights reserved.</center></h2>
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| 11 | *
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| 12 | * This software component is licensed by ST under BSD 3-Clause license,
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| 13 | * the "License"; You may not use this file except in compliance with the
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| 14 | * License. You may obtain a copy of the License at:
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| 15 | * opensource.org/licenses/BSD-3-Clause
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| 16 | *
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| 17 | ******************************************************************************
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| 18 | */
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| 19 |
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| 20 | /* Includes ------------------------------------------------------------------*/
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| 21 | #include "rtc.h"
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| 22 |
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| 23 | /* USER CODE BEGIN 0 */
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| 24 | #define RTC_ASYNCH_PREDIV 0x7F /* LSE as RTC clock */
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| 25 | #define RTC_SYNCH_PREDIV 0x00FF /* LSE as RTC clock */
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| 26 | /* USER CODE END 0 */
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| 27 |
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| 28 | RTC_HandleTypeDef hrtc;
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| 29 |
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| 30 | /* RTC init function */
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| 31 | void MX_RTC_Init(void)
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| 32 | {
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| 33 | RTC_TimeTypeDef sTime = {0};
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| 34 | RTC_DateTypeDef sDate = {0};
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| 35 |
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| 36 | /** Initialize RTC Only
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| 37 | */
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| 38 | hrtc.Instance = RTC;
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| 39 | hrtc.Init.HourFormat = RTC_HOURFORMAT_24;
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| 40 | hrtc.Init.AsynchPrediv = RTC_ASYNCH_PREDIV;
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| 41 | hrtc.Init.SynchPrediv = RTC_SYNCH_PREDIV;
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| 42 | hrtc.Init.OutPut = RTC_OUTPUT_DISABLE;
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| 43 | hrtc.Init.OutPutRemap = RTC_OUTPUT_REMAP_NONE;
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| 44 | hrtc.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
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| 45 | hrtc.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
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| 46 | hrtc.Init.OutPutPullUp = RTC_OUTPUT_PULLUP_NONE;
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| 47 | if (HAL_RTC_Init(&hrtc) != HAL_OK)
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| 48 | {
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| 49 | Error_Handler();
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| 50 | }
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| 51 |
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| 52 | /* USER CODE BEGIN Check_RTC_BKUP */
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| 53 |
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| 54 | /* USER CODE END Check_RTC_BKUP */
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| 55 |
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| 56 | /** Initialize RTC and set the Time and Date
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| 57 | */
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| 58 | sTime.Hours = 0x02;
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| 59 | sTime.Minutes = 0x0;
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| 60 | sTime.Seconds = 0x0;
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| 61 | sTime.SubSeconds = 0;
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| 62 | sTime.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
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| 63 | sTime.StoreOperation = RTC_STOREOPERATION_RESET;
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| 64 | if (HAL_RTC_SetTime(&hrtc, &sTime, RTC_FORMAT_BCD) != HAL_OK)
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| 65 | {
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| 66 | Error_Handler();
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| 67 | }
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| 68 | sDate.WeekDay = RTC_WEEKDAY_MONDAY;
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| 69 | sDate.Month = RTC_MONTH_APRIL;
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| 70 | sDate.Date = 0x16;
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| 71 | sDate.Year = 0x18;
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| 72 |
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| 73 | if (HAL_RTC_SetDate(&hrtc, &sDate, RTC_FORMAT_BCD) != HAL_OK)
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| 74 | {
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| 75 | Error_Handler();
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| 76 | }
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| 77 |
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| 78 | }
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| 79 |
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| 80 | void HAL_RTC_MspInit(RTC_HandleTypeDef* rtcHandle)
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| 81 | {
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| 82 |
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| 83 | if(rtcHandle->Instance==RTC)
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| 84 | {
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| 85 | /* USER CODE BEGIN RTC_MspInit 0 */
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| 86 | /* Enables the PWR Clock and Enables access to the backup domain */
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| 87 | /* To change the source clock of the RTC feature (LSE, LSI), You have to:
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| 88 | - Enable the power clock using __HAL_RCC_PWR_CLK_ENABLE()
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| 89 | - Enable write access using HAL_PWR_EnableBkUpAccess() function before to
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| 90 | configure the RTC clock source (to be done once after reset).
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| 91 | - Reset the Back up Domain using __HAL_RCC_BACKUPRESET_FORCE() and
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| 92 | __HAL_RCC_BACKUPRESET_RELEASE().
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| 93 | - Configure the needed RTc clock source */
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| 94 | __HAL_RCC_RTCAPB_CLK_ENABLE();
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| 95 | /* USER CODE END RTC_MspInit 0 */
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| 96 | /* RTC clock enable */
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| 97 | __HAL_RCC_RTC_ENABLE();
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| 98 | /* USER CODE BEGIN RTC_MspInit 1 */
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| 99 | // __HAL_RCC_PWR_CLK_ENABLE();
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| 100 | // HAL_PWR_EnableBkUpAccess();
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| 101 | /* USER CODE END RTC_MspInit 1 */
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| 102 | }
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| 103 | }
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| 104 |
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| 105 | void HAL_RTC_MspDeInit(RTC_HandleTypeDef* rtcHandle)
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| 106 | {
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| 107 |
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| 108 | if(rtcHandle->Instance==RTC)
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| 109 | {
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| 110 | /* USER CODE BEGIN RTC_MspDeInit 0 */
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| 111 |
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| 112 | /* USER CODE END RTC_MspDeInit 0 */
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| 113 | /* Peripheral clock disable */
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| 114 | __HAL_RCC_RTC_DISABLE();
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| 115 | /* USER CODE BEGIN RTC_MspDeInit 1 */
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| 116 | /* Disables the PWR Clock and Disables access to the backup domain */
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| 117 | __HAL_RCC_RTCAPB_CLK_DISABLE();
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| 118 | /* USER CODE END RTC_MspDeInit 1 */
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| 119 | }
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| 120 | }
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| 121 |
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| 122 | /* USER CODE BEGIN 1 */
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| 123 |
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| 124 | /* USER CODE END 1 */
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| 125 |
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| 126 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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