crashtest-r0ket/firmware/basic/simpletime.c

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#include <sysinit.h>
#include "simpletime.h"
#include "basic/basic.h"
time_t _timet=0;
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static int days_per_month (int year, int month)
{
if (month == 1)
{
if (LEAPYEAR(year))
return 29;
return 28;
}
else if (month > 6)
month--;
if ((month % 2))
return 30;
else
return 31;
}
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struct tm * mygmtime(register const time_t time) {
static struct tm br_time;
register struct tm *timep = &br_time;
register unsigned long dayclock, dayno;
int year = EPOCH_YR;
dayclock = (unsigned long)time % SECS_DAY;
dayno = (unsigned long)time / SECS_DAY;
timep->tm_sec = dayclock % 60;
timep->tm_min = (dayclock % 3600) / 60;
timep->tm_hour = dayclock / 3600;
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timep->tm_wday = (dayno + 4) % 7; /* day 0 was a thursday */
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while (dayno >= YEARSIZE(year)) {
dayno -= YEARSIZE(year);
year++;
}
timep->tm_year = year - YEAR0;
timep->tm_yday = dayno;
timep->tm_mon = 0;
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while (dayno >= days_per_month (year, timep->tm_mon)) {
dayno -= days_per_month (year, timep->tm_mon);
timep->tm_mon++;
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}
timep->tm_mday = dayno + 1;
timep->tm_isdst = 0;
return timep;
}
// Timezones suck. Currently we only do it all in localtime.
// I know it's broken. Sorry
time_t getSeconds(void){
return _timet+(getTimer()*SYSTICKSPEED/1000);
};