RX8010_YEAR
u8 date[RX8010_YEAR - RX8010_SEC + 1];
dt->tm_year = bcd2bin(date[RX8010_YEAR - RX8010_SEC]) + 100;
u8 date[RX8010_YEAR - RX8010_SEC + 1];
date[RX8010_YEAR - RX8010_SEC] = bin2bcd(dt->tm_year - 100);