/**
* \brief Interrupt handler for the RTC. Refresh the display.
*/
void RTC_Handler(void)
{
uint32_t ul_status = rtc_get_status(RTC);
/* Second increment interrupt */
if ((ul_status & RTC_SR_SEC) == RTC_SR_SEC) {
/* Disable RTC interrupt */
rtc_disable_interrupt(RTC, RTC_IDR_SECDIS);
refresh_display();
rtc_clear_status(RTC, RTC_SCCR_SECCLR);
rtc_enable_interrupt(RTC, RTC_IER_SECEN);
} else {
/* Time or date alarm */
if ((ul_status & RTC_SR_ALARM) == RTC_SR_ALARM) {
/* Disable RTC interrupt */
rtc_disable_interrupt(RTC, RTC_IDR_ALRDIS);
gs_ul_alarm_triggered = 1;
refresh_display();
/* Show additional menu item for clear notification */
gs_ul_menu_shown = 0;
rtc_clear_status(RTC, RTC_SCCR_ALRCLR);
rtc_enable_interrupt(RTC, RTC_IER_ALREN);
}
}
}
static int rtc_read_proc(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
int len = rtc_get_status(page);
if (len <= off+count) *eof = 1;
*start = page + off;
len -= off;
if (len>count) len = count;
if (len<0) len = 0;
return len;
}
