Hi all,
i use STM32F407 and program the internal RTC, data time work perfectly.
But i have problem to set the allarm.
Work only if set data in allarm A and allarm B, why don't possible to set only allarm A ? or only allarm B ?
This is my code for programming allarm, now set allarm when the seconds is the same the interrup is generated in void HAL_RTC_AlarmAEventCallback(RTC_HandleTypeDef *hrtc), and after repeat allarm every minuts.. and so on.
sAlarm.AlarmTime.Hours = RTC_ByteToBcd2(n_Hour);
sAlarm.AlarmTime.Minutes = RTC_ByteToBcd2(n_Minute);
sAlarm.AlarmTime.Seconds = RTC_ByteToBcd2(n_Second);
sAlarm.AlarmTime.SubSeconds = 0x0;
sAlarm.AlarmTime.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
sAlarm.AlarmTime.StoreOperation = RTC_STOREOPERATION_RESET;
sAlarm.AlarmMask = RTC_ALARMMASK_DATEWEEKDAY|RTC_ALARMMASK_HOURS|RTC_ALARMMASK_MINUTES;//|RTC_ALARMMASK_SECONDS;
sAlarm.AlarmSubSecondMask = RTC_ALARMSUBSECONDMASK_ALL;
sAlarm.AlarmDateWeekDaySel = RTC_ALARMDATEWEEKDAYSEL_DATE;
sAlarm.AlarmDateWeekDay = RTC_ByteToBcd2(n_Day);
//
sAlarm.AlarmDateWeekDaySel = RTC_ALARMDATEWEEKDAYSEL_WEEKDAY;
sAlarm.AlarmDateWeekDay = BinToBCD(n_Day);
sAlarm.Alarm = RTC_ALARM_A;
if (HAL_RTC_SetAlarm_IT(&hrtc, &sAlarm, RTC_FORMAT_BCD) != HAL_OK)
{
Error_Handler();
}
sAlarm.Alarm = RTC_ALARM_B;
if (HAL_RTC_SetAlarm_IT(&hrtc, &sAlarm, RTC_FORMAT_BCD) != HAL_OK)
{
Error_Handler();
}
What did i forget for enabled only allarm A , for examples ?
thanks
