67 lines
2.0 KiB
C
67 lines
2.0 KiB
C
/**
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******************************************************************************
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* @file rtc.c
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* @brief This file provides code for the configuration
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* of the RTC instances.
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2021 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "rtc.h"
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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/* RTC init function */
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void MX_RTC_Init(void)
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{
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LL_RTC_InitTypeDef RTC_InitStruct = {0};
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LL_RTC_TimeTypeDef RTC_TimeStruct = {0};
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LL_RTC_DateTypeDef RTC_DateStruct = {0};
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/* Peripheral clock enable */
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LL_RCC_EnableRTC();
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/** Initialize RTC and set the Time and Date
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*/
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RTC_InitStruct.HourFormat = LL_RTC_HOURFORMAT_24HOUR;
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RTC_InitStruct.AsynchPrescaler = 127;
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RTC_InitStruct.SynchPrescaler = 255;
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LL_RTC_Init(RTC, &RTC_InitStruct);
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LL_RTC_SetAsynchPrescaler(RTC, 127);
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LL_RTC_SetSynchPrescaler(RTC, 255);
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/** Initialize RTC and set the Time and Date
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*/
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if(LL_RTC_BAK_GetRegister(RTC, LL_RTC_BKP_DR0) != 0x32F2){
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RTC_TimeStruct.Hours = 0;
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RTC_TimeStruct.Minutes = 0;
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RTC_TimeStruct.Seconds = 0;
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LL_RTC_TIME_Init(RTC, LL_RTC_FORMAT_BIN, &RTC_TimeStruct);
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RTC_DateStruct.WeekDay = LL_RTC_WEEKDAY_MONDAY;
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RTC_DateStruct.Month = LL_RTC_MONTH_JANUARY;
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RTC_DateStruct.Year = 20;
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LL_RTC_DATE_Init(RTC, LL_RTC_FORMAT_BIN, &RTC_DateStruct);
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LL_RTC_BAK_SetRegister(RTC,LL_RTC_BKP_DR0,0x32F2);
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}
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}
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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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