/home/daqweb/fgddaq/c8051/Devices/Time.h File Reference

Data Structures
struct	TM
Defines
#define	BASE_YEAR   1970
#define	START_WDAY   4
#define	SECS_PER_MIN   (unsigned long int) 60
#define	SECS_PER_HOUR   (unsigned long int)(SECS_PER_MIN*60)
#define	SECS_PER_DAY   (unsigned long int)(SECS_PER_HOUR*24)
Functions
void	ascTime (char *str, unsigned long int ltime)
void	secs_to_tm (unsigned long int t, struct TM *tm)

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Define Documentation

#define BASE_YEAR   1970

#define SECS_PER_DAY   (unsigned long int)(SECS_PER_HOUR*24)

#define SECS_PER_HOUR   (unsigned long int)(SECS_PER_MIN*60)

#define SECS_PER_MIN   (unsigned long int) 60

#define START_WDAY   4

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Function Documentation

void ascTime	(	char *	str,
		unsigned long int	ltime
	)

                                                  {
  char xdata mydate[12], mydate1[10];

  secs_to_tm(ltime, &tm);
// sprintf(mydate, "%.4d-%.2d-%.2d", tm.tm_year+1900, tm.tm_mon+1, tm.tm_mday);
  sprintf(mydate, "%.4d-%3s-%.2d", tm.tm_year+1900, month_name[tm.tm_mon], tm.tm_mday);
  sprintf(mydate1, " %.2d:%.2d:%.2d", tm.tm_hour, tm.tm_min, tm.tm_sec);
  sprintf(str, "%s%s", mydate, mydate1);
}

void secs_to_tm	(	unsigned long int	t,
		struct TM *	tm
	)

{
        unsigned long int xdata days, rem;
        unsigned int xdata y, mon;
        days = t / SECS_PER_DAY;
        rem = t - (days * SECS_PER_DAY);
        tm->tm_hour = rem / SECS_PER_HOUR;
        rem -= tm->tm_hour*SECS_PER_HOUR;
        tm->tm_min = rem / SECS_PER_MIN;
        rem -= tm->tm_min*SECS_PER_MIN;
        tm->tm_sec = rem;
        tm->tm_wday = (days + START_WDAY) % 7;
        y = BASE_YEAR;
        while (days >= 365) {
                if ((y % 4) == 0) {
                        if (days == 365)
                                break;
                        // leap year
                        days--;
                }
                days -= 365;
                y++;
        }
        tm->tm_year = y - 1900;
        tm->tm_yday = days;

        // Set correct # of days for feburary 
        month_days[1] = ((y % 4) == 0) ? 29 : 28;

        for (mon = 0; mon < 12; mon++) {
                if (days < month_days[mon]) {
                        tm->tm_mon = mon;
                        break;
                }
                days -= month_days[mon];
        }
        if (mon == 12)  {
                // PANIC
                days = days + 0;
//                printf ("secs_to_tm:remaining days=%d\n", days);
        }

        tm->tm_mday = days + 1;
        tm->tm_isdst = 0;
        // tm->tm_gmtoff = 0;
}

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