hp300_rtc_read
t->tm_sec = hp300_rtc_read(RTC_REG_SEC1) * 10 +
hp300_rtc_read(RTC_REG_SEC2);
t->tm_min = hp300_rtc_read(RTC_REG_MIN1) * 10 +
hp300_rtc_read(RTC_REG_MIN2);
t->tm_hour = (hp300_rtc_read(RTC_REG_HOUR1) & 3) * 10 +
hp300_rtc_read(RTC_REG_HOUR2);
t->tm_mday = hp300_rtc_read(RTC_REG_DAY1) * 10 +
hp300_rtc_read(RTC_REG_DAY2);
t->tm_mon = hp300_rtc_read(RTC_REG_MON1) * 10 +
hp300_rtc_read(RTC_REG_MON2) - 1;
t->tm_year = hp300_rtc_read(RTC_REG_YEAR1) * 10 +
hp300_rtc_read(RTC_REG_YEAR2);