datetime_t GetTimeDate()
{
datetime_t t;
datepack_t tp;
CdvdClock_t clock;
if (!cdReadClock(&clock))
return INVALID_DATETIME_T;
tp.Year = Bcd2Dec(clock.year)+2000;
tp.Month = Bcd2Dec(clock.month);
tp.Day = Bcd2Dec(clock.day);
tp.Hour = Bcd2Dec(clock.hour);
tp.Minute = Bcd2Dec(clock.minute);
tp.Second = Bcd2Dec(clock.second);
tp.WeekDay = 0;
t = TimePackToRel(&tp,0);
if (t != INVALID_DATETIME_T)
{
t -= 9*60*60; //adjust JST to GMC
if (t == INVALID_DATETIME_T)
++t;
}
return t;
}
int ps2time_init( void )
{
CdvdClock_t clock;
struct tm tm_time;
static unsigned int monthdays[12] = {
31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
};
// query the RTC
cdInit(CDVD_INIT_NOCHECK);
if( !cdReadClock(&clock) )
return -1;
tm_time.tm_sec = BCD2DEC(clock.second);
tm_time.tm_min = BCD2DEC(clock.minute);
tm_time.tm_hour = BCD2DEC(clock.hour); // hour in Japan (GMT + 9)
tm_time.tm_mday = BCD2DEC(clock.day);
tm_time.tm_mon = BCD2DEC(clock.month) - 1; // RTC months range from 1 - 12
tm_time.tm_year = BCD2DEC(clock.year) + 100; // RTC returns year less 2000
if( tm_time.tm_hour < 9 ) {
// go back to last month
if( tm_time.tm_mday == 1 ) {
// go back to last year if month is january
if( tm_time.tm_mon == 0 ) {
tm_time.tm_mon = 11;
tm_time.tm_year = tm_time.tm_year - 1;
}
else {
tm_time.tm_mon = tm_time.tm_mon - 1;
}
// if going back to february and year is a leapyear
if( tm_time.tm_mon == 1 && IS_LEAP_YEAR(tm_time.tm_year + 1900)) {
tm_time.tm_mday = 29;
}
else {
tm_time.tm_mday = monthdays[ tm_time.tm_mon ];
}
}
else {
tm_time.tm_mday = tm_time.tm_mday - 1;
}
tm_time.tm_hour = (24 - (9 - tm_time.tm_hour)) % 24;
}
else {
tm_time.tm_hour -= 9;
}
g_ps2time_start = ps2time_mktime(&tm_time);
// setup EE timer1
*T1_MODE = 0x0000;
// enable the overflow interrupt handler
g_interruptID = AddIntcHandler(T1_INTC, ps2time_intr_handler, 0);
EnableIntc(T1_INTC);
g_interruptCount = 0;
*T1_COUNT = 0;
*T1_MODE = Tn_MODE(0x02, 0, 0, 0, 0, 0x01, 0, 0x01, 0, 0);
// set the timezone as offset in minutes from GMT
ps2time_setTimezone( configGetTimezone() );
return 0;
}
