RTC_GET8
if (!(RTC_GET8(RTC_A) & RTC_UIP)) {
rtc->rtc_sec = RTC_GET8(RTC_SEC);
rtc->rtc_asec = RTC_GET8(RTC_ASEC);
rtc->rtc_min = RTC_GET8(RTC_MIN);
rtc->rtc_amin = RTC_GET8(RTC_AMIN);
rtc->rtc_hrs = RTC_GET8(RTC_HRS);
rtc->rtc_ahrs = RTC_GET8(RTC_AHRS);
rtc->rtc_dow = RTC_GET8(RTC_DOW);
rtc->rtc_dom = RTC_GET8(RTC_DOM);
rtc->rtc_adom = RTC_GET8(RTC_D) & 0x3f;
rtc->rtc_mon = RTC_GET8(RTC_MON);
rtc->rtc_year = RTC_GET8(RTC_YEAR);
rtc->rtc_century = RTC_GET8(RTC_CENTURY);
regb = RTC_GET8(RTC_B);
if (!(RTC_GET8(RTC_A) & RTC_UIP)) {
regb = RTC_GET8(RTC_B);
regb = RTC_GET8(RTC_B);