- datetime_t current;
-
- do {
- while (rtc_read_reg(RTC_REG_A) & 0x80)
- ;
- memcpy(¤t, datetime, sizeof(datetime_t));
-
- datetime->year = rtc_read_reg(RTC_REG_YRS);
- datetime->month = rtc_read_reg(RTC_REG_MTH);
- datetime->day = rtc_read_reg(RTC_REG_DAY);
- datetime->weekday = rtc_read_reg(RTC_REG_WDY);
- datetime->hour = rtc_read_reg(RTC_REG_HRS);
- datetime->minute = rtc_read_reg(RTC_REG_MIN);
- datetime->second = rtc_read_reg(RTC_REG_SEC);
- } while (!clock_datatime_eq(datetime, ¤t));