QXZ_QXZL/low_bl_3/applications/rtc/rtc.c

/**
  ******************************************************************************
  * @file    rtc.c
  * @brief   This file provides code for the configuration
  *          of the RTC instances.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2021 STMicroelectronics.
  * All rights reserved.</center></h2>
  *
  * This software component is licensed by ST under BSD 3-Clause license,
  * the "License"; You may not use this file except in compliance with the
  * License. You may obtain a copy of the License at:
  *                        opensource.org/licenses/BSD-3-Clause
  *
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "rtc.h"

/* USER CODE BEGIN 0 */
RTC_TimeTypeDef GetTime;
RTC_DateTypeDef GetDate;
uint8_t RTC_READ_Flag;

/* USER CODE END 0 */

RTC_HandleTypeDef hrtc;


extern uint16_t Now_date;
/* RTC init function */
void MX_RTC_Init(void)
{
    uint8_t count = 0;

  /** Initialize RTC Only
  */
  hrtc.Instance = RTC;
  hrtc.Init.HourFormat = RTC_HOURFORMAT_24;
  hrtc.Init.AsynchPrediv = 127;
  hrtc.Init.SynchPrediv = 255;
  hrtc.Init.OutPut = RTC_OUTPUT_DISABLE;
  hrtc.Init.OutPutRemap = RTC_OUTPUT_REMAP_NONE;
  hrtc.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
  hrtc.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
  hrtc.Init.OutPutPullUp = RTC_OUTPUT_PULLUP_NONE;
  if (HAL_RTC_Init(&hrtc) != HAL_OK)
  {
    rt_kprintf("HAL_RTC_Init failed !\r\n");
  }

  while (1)
  {

    HAL_RTC_GetTime(&hrtc, &GetTime, RTC_FORMAT_BIN);
    HAL_RTC_GetDate(&hrtc, &GetDate, RTC_FORMAT_BIN);
    rt_kprintf("%02d/%02d/%02d\r\n", 2000 + GetDate.Year, GetDate.Month, GetDate.Date);
    rt_kprintf("%02d:%02d:%02d\r\n\r\n", GetTime.Hours, GetTime.Minutes, GetTime.Seconds);

    //等待获取了当前时间再往下走

    if ((GetTime.Hours != 0) || (GetTime.Minutes != 0) || (GetTime.Seconds != 0))
    {
        Now_date = (GetDate.Year-21)*12+GetDate.Month;
        Now_date = Now_date << 8;
        Now_date |= GetDate.Date;
      break;
    }

    count++;
    //给出循环出口
    if (count > 3)
    {
      break;
    }
  }

}

void HAL_RTC_MspInit(RTC_HandleTypeDef* rtcHandle)
{

  if(rtcHandle->Instance==RTC)
  {
  /* USER CODE BEGIN RTC_MspInit 0 */

  /* USER CODE END RTC_MspInit 0 */
    /* RTC clock enable */
    __HAL_RCC_RTC_ENABLE();
    __HAL_RCC_RTCAPB_CLK_ENABLE();
  /* USER CODE BEGIN RTC_MspInit 1 */

  /* USER CODE END RTC_MspInit 1 */
  }
}

void HAL_RTC_MspDeInit(RTC_HandleTypeDef* rtcHandle)
{

  if(rtcHandle->Instance==RTC)
  {
  /* USER CODE BEGIN RTC_MspDeInit 0 */

  /* USER CODE END RTC_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_RTC_DISABLE();
    __HAL_RCC_RTCAPB_CLK_DISABLE();
  /* USER CODE BEGIN RTC_MspDeInit 1 */

  /* USER CODE END RTC_MspDeInit 1 */
  }
}

/* USER CODE BEGIN 1 */
void RTC_SetTime(uint8_t hour, uint8_t minute, uint8_t second)
{
  /*##-2- Configure the Time #################################################*/
  GetTime.Hours = hour;
  GetTime.Minutes = minute;
  GetTime.Seconds = second;
//  GetTime.TimeFormat = RTC_HOURFORMAT12_AM;
  GetTime.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
  GetTime.StoreOperation = RTC_STOREOPERATION_RESET;

  if(HAL_RTC_SetTime(&hrtc,&GetTime,RTC_FORMAT_BIN) != HAL_OK)
  {
  
  }
}
/* USER CODE END 1 */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/