Posted on May 17, 2011 at 12:16Hi everyone,
I am two problem with RTC.
For RTC Alarm interrup, i must write my program in RTC_IRQHandler but for RTC alarm. When I'm in debug mode, the flag ALRIE and ALRF is set when a interrupt occur but the program go in RTC_IRQHandler;
void RTC_IRQHandler(void){
if(RTC_GetITStatus(RTC_IT_SEC) != RESET){
RTC_ClearITPendingBit(RTC_IT_SEC);
TimeDisplay = 1;
RTC_WaitForLastTask();
SystemDateTime.seconde++;
if(RTC_GetITStatus(RTC_IT_ALR) != RESET){
RTC_ClearITPendingBit(RTC_IT_ALR);
RTC_WaitForLastTask();
RTC_SetAlarm(RTC_GetDateTime()+10);//Actual Time + 10sec
RTC_WaitForLastTask();
AlarmDisplay=1;
}
}
The second probleme is when I run the programme, alarm interrupt do action but no always 10-11s
