| 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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