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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char _ytab[12] = {
{ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 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;
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int month_days;
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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;
timep->tm_wday = (dayno + 4) % 7; /* day 0 was a thursday */
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 >= (month_days = _ytab[timep->tm_mon] +
(LEAPYEAR (year) && timep->tm_mon==2)?1:0)) {
dayno -= month_days;
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);
};