static void statemachine_clear_alarm(void) {
if (state == STATE_ALARM) {
rtc_clear_alarm();
printf("RTC Alarm cleared\r\n");
statemachine_active();
}
}
int rtc_set_alarm(struct tm *time, rtc_alarm_cb_t cb, void *arg)
{
RtcMode2 *rtcMode2 = &(RTC_DEV);
rtc_clear_alarm();
if ((time->tm_year < reference_year) || (time->tm_year > (reference_year + 63))) {
return -2;
}
else {
rtcMode2->Mode2Alarm[0].ALARM.reg = RTC_MODE2_ALARM_YEAR(time->tm_year - reference_year)
| RTC_MODE2_ALARM_MONTH(time->tm_mon + 1)
| RTC_MODE2_ALARM_DAY(time->tm_mday)
| RTC_MODE2_ALARM_HOUR(time->tm_hour)
| RTC_MODE2_ALARM_MINUTE(time->tm_min)
| RTC_MODE2_ALARM_SECOND(time->tm_sec);
rtcMode2->Mode2Alarm[0].MASK.reg = RTC_MODE2_MASK_SEL(6);
}
while (rtcMode2->STATUS.bit.SYNCBUSY);
/* Setup interrupt */
NVIC_SetPriority(RTC_IRQn, 10);
NVIC_EnableIRQ(RTC_IRQn);
/* Enable IRQ */
rtc_callback.cb = cb;
rtc_callback.arg = arg;
rtcMode2->INTFLAG.reg = RTC_MODE2_INTFLAG_ALARM0;
while (rtcMode2->STATUS.bit.SYNCBUSY);
rtcMode2->INTENSET.reg = RTC_MODE2_INTENSET_ALARM0;
while (rtcMode2->STATUS.bit.SYNCBUSY);
return 0;
}
void _rtc_handler(int argc, char **argv)
{
if (argc < 2) {
_rtc_usage();
}
else if (strncmp(argv[1], "init", 4) == 0) {
rtc_init();
}
else if (strncmp(argv[1], "poweron", 7) == 0) {
rtc_poweron();
}
else if (strncmp(argv[1], "poweroff", 8) == 0) {
rtc_poweroff();
}
else if (strncmp(argv[1], "clearalarm", 8) == 0) {
rtc_clear_alarm();
}
else if (strncmp(argv[1], "getalarm", 8) == 0) {
_rtc_getalarm();
}
else if (strncmp(argv[1], "setalarm", 8) == 0) {
_rtc_setalarm(argv + 2);
}
else if (strncmp(argv[1], "gettime", 7) == 0) {
_rtc_gettime();
}
else if (strncmp(argv[1], "settime", 7) == 0) {
_rtc_settime(argv + 2);
}
else {
printf("unknown command: %s\n", argv[1]);
}
}
int rtc_set_alarm(struct tm *time, rtc_alarm_cb_t cb, void *arg)
{
rtc_clear_alarm();
if ((time->tm_year < reference_year) || (time->tm_year > (reference_year + 63))) {
return -2;
}
else {
RTC->MODE2.Mode2Alarm[0].ALARM.reg = RTC_MODE2_ALARM_YEAR(time->tm_year - reference_year)
| RTC_MODE2_ALARM_MONTH(time->tm_mon + 1)
| RTC_MODE2_ALARM_DAY(time->tm_mday)
| RTC_MODE2_ALARM_HOUR(time->tm_hour)
| RTC_MODE2_ALARM_MINUTE(time->tm_min)
| RTC_MODE2_ALARM_SECOND(time->tm_sec);
RTC->MODE2.Mode2Alarm[0].MASK.reg = RTC_MODE2_MASK_SEL(6);
while (RTC->MODE2.SYNCBUSY.bit.ALARM0);
}
/* Setup interrupt */
NVIC_EnableIRQ(RTC_IRQn);
/* Enable IRQ */
rtc_callback.cb = cb;
rtc_callback.arg = arg;
RTC->MODE2.INTFLAG.reg |= RTC_MODE2_INTFLAG_ALARM0;
RTC->MODE2.INTENSET.bit.ALARM0 = 1;
return 0;
}
