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77 lines
2.9 KiB
C
77 lines
2.9 KiB
C
/*
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* Version : @(#)time.h 1.8
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*/
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/**************************************************************************
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** *
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** FILE : time.h *
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** *
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** DESCRIPTION : Include file with prototypes and macros for *
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** manipulating time. *
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** The low level time routine clock() strongly depends on *
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** the hardware (e.g. RTC-hardware), so this routine may *
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** have to be customised. To determine the time in *
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** seconds, the value returned by clock() should be *
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** divided by the value of the macro TICKS_PER_SEC. *
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** *
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** COPYRIGHT : 1996 TASKING, Inc. *
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** *
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**************************************************************************/
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#include <stddef.h>
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#ifndef _TIME_H
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#define _TIME_H
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typedef unsigned long time_t;
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typedef unsigned long clock_t;
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#define TIME_MAX (time_t)(-1)
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#define TIME_MIN (time_t)(0)
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/* starting point for calendar times
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* time is measured in seconds since
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* 1 January 1970
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*/
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#define _BIAS_TIME ((70 * 365LU + 17) * 86400)
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#define _XA_MHZ 30 /* Assume 30 MHz XA derivative */
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#define CLOCKS_PER_SEC (_XA_MHZ * 500000)
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struct tm
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{
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int tm_sec; /* seconds after the minute - [0, 59] */
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int tm_min; /* minutes after the hour - [0, 59] */
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int tm_hour; /* hours since midnight - [0, 23] */
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int tm_mday; /* day of the month - [1, 31] */
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int tm_mon; /* months since January - [0, 11] */
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int tm_year; /* year since 1900 */
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int tm_wday; /* days since Sunday - [0, 6] */
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int tm_yday; /* days since January 1 - [0, 365] */
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int tm_isdst; /* Daylight Saving Time flag */
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};
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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char * asctime(const struct tm *);
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char * ctime(const time_t *);
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double difftime(time_t, time_t);
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struct tm * gmtime(const time_t *);
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struct tm * localtime(const time_t *);
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time_t time(time_t *);
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time_t mktime(struct tm *);
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clock_t clock(void); /* low level function */
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void _timer_start(void); /* start timer */
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clock_t _timer_stop(void); /* stop timer, return elapsed time */
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size_t strftime(char *, size_t, const char *, const struct tm *);
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void _stime(time_t *); /* sets system time */
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int _tzset(const char *); /* sets time zone */
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* _TIME_H */
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