[STM32U5] 【NUCLEO-U5A5ZJ-Q测评】RTC时间和RTC闹钟测试

hrtc.Instance = RTC;

  hrtc.Init.HourFormat = RTC_HOURFORMAT_24;

  hrtc.Init.AsynchPrediv = RTC_ASYNCH_PREDIV;

  hrtc.Init.SynchPrediv = RTC_SYNCH_PREDIV;

  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;

  hrtc.Init.BinMode = RTC_BINARY_NONE;

  if (HAL_RTC_Init(&hrtc) != HAL_OK)

  {



  }

  sTime.Hours = 0x2;

  sTime.Minutes = 0x20;

  sTime.Seconds = 0x0;

  sTime.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;

  sTime.StoreOperation = RTC_STOREOPERATION_RESET;

  if (HAL_RTC_SetTime(&hrtc, &sTime, RTC_FORMAT_BCD) != HAL_OK)

  {



  }

  sDate.WeekDay = RTC_WEEKDAY_MONDAY;

  sDate.Month = RTC_MONTH_DECEMBER;

  sDate.Date = 0x7;

  sDate.Year = 0x20;



  if (HAL_RTC_SetDate(&hrtc, &sDate, RTC_FORMAT_BCD) != HAL_OK)

  {



  }

void RTC_TimeShow(void)

{

        uint8_t *showtime[12];

  RTC_DateTypeDef sdatestructureget;

  RTC_TimeTypeDef stimestructureget;



  /* Get the RTC current Time */

  HAL_RTC_GetTime(&hrtc, &stimestructureget, RTC_FORMAT_BIN);

  /* Get the RTC current Date */

  HAL_RTC_GetDate(&hrtc, &sdatestructureget, RTC_FORMAT_BIN);

  /* Display time Format : hh:mm:ss */

  sprintf((char *)showtime, "%02d:%02d:%02d", stimestructureget.Hours, stimestructureget.Minutes, stimestructureget.Seconds);

  ux_send((const uint8_t *)showtime,8);

}

void RTC_AlarmConfig(void)

{

         RTC_TimeTypeDef stimestructureget;

         HAL_RTC_GetTime(&hrtc, &stimestructureget, RTC_FORMAT_BIN);



          RTC_AlarmTypeDef sAlarm = {0};

          /** Enable the Alarm A

          */

          sAlarm.AlarmTime.Hours = stimestructureget.Hours;

          sAlarm.AlarmTime.Minutes = stimestructureget.Minutes;

          sAlarm.AlarmTime.Seconds = stimestructureget.Seconds + 5;

          sAlarm.AlarmTime.SubSeconds = 0x56;

          sAlarm.AlarmMask = RTC_ALARMMASK_DATEWEEKDAY|RTC_ALARMMASK_MINUTES|RTC_ALARMMASK_HOURS;

          sAlarm.AlarmSubSecondMask = RTC_ALARMSUBSECONDMASK_ALL;

          sAlarm.AlarmDateWeekDaySel = RTC_ALARMDATEWEEKDAYSEL_WEEKDAY;

          sAlarm.AlarmDateWeekDay = RTC_WEEKDAY_MONDAY;

          sAlarm.Alarm = RTC_ALARM_A;

          if(sAlarm.AlarmTime.Seconds == 60)sAlarm.AlarmTime.Seconds=0;



          if (HAL_RTC_SetAlarm_IT(&hrtc, &sAlarm, RTC_FORMAT_BIN) != HAL_OK)

          {



          }



}

void HAL_RTC_AlarmAEventCallback(RTC_HandleTypeDef *hrtc)

{



        ux_send((const uint8_t *)"RTC Alarm!",10);

        RTC_TimeShow();

        RTC_AlarmConfig();



}