f48566d51f
New application and new example. We use the built-in timer routines and add an offset to get the wallclock time. The offset can be set by time-changing routines (currently only settimeofday). We also maintain an offset for timezone handling but this isn't currently fully implemented.
66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
/**
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* \defgroup Time related functions
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*
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* This rolls the necessary definition for getting/setting time and
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* managing local time into one include file, on posix systems this
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* lives in at least two include files, time.h and sys/time.h
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*
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* @{
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*/
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/**
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* \file
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* Definitions for the time module
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*
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* \author
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* Ralf Schlatterbeck <rsc@tux.runtux.com>
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*/
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#ifndef time_h
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#define time_h
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typedef signed long long time_t;
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typedef signed long suseconds_t;
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct tm {
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uint32_t tm_year; /* year */
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uint16_t tm_yday; /* day in the year */
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uint8_t tm_sec; /* seconds */
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uint8_t tm_min; /* minutes */
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uint8_t tm_hour; /* hours */
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uint8_t tm_mday; /* day of the month */
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uint8_t tm_mon; /* month */
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uint8_t tm_wday; /* day of the week */
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uint8_t tm_isdst; /* daylight saving time */
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};
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struct timeval {
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time_t tv_sec; /* seconds */
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suseconds_t tv_usec; /* microseconds */
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};
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struct timezone {
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int16_t tz_minuteswest; /* minutes west of Greenwich */
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int tz_dsttime; /* type of DST correction, unused */
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};
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struct tm *gmtime (const time_t *timep);
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struct tm *gmtime_r (const time_t *timep, struct tm *result);
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struct tm *localtime (const time_t *timep);
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struct tm *localtime_r (const time_t *timep, struct tm *result);
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int gettimeofday (struct timeval *tv, struct timezone *tz);
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int settimeofday (const struct timeval *tv, const struct timezone *tz);
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#ifdef __cplusplus
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}
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#endif
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#endif // time_h
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/** @} */
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