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39 lines
919 B
C
39 lines
919 B
C
/** @file time.h
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Sort of ANSI compliant time functions.
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*/
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#ifndef TIME_INCLUDE
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#define TIME_INCLUDE
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#include <types.h>
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#include <stdint.h>
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#define CLOCKS_PER_SEC 60
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typedef uint16_t time_t;
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/** Returns an approximation of processor time used by the program in Clocks
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The value returned is the CPU time (ticks) used so far as a @ref clock_t.
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To get the number of seconds used, divide by @ref CLOCKS_PER_SEC.
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This is based on @ref sys_time, which will wrap around every ~18 minutes.
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(unsigned 16 bits = 65535 / 60 / 60 = 18.2)
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@see sys_time, time()
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*/
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clock_t clock(void) OLDCALL;
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/** Converts clock() time to Seconds
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@param t If pointer __t__ is not NULL, it's value will be set to the same seconds calculation as returned by the function.
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The calculation is clock() / CLOCKS_PER_SEC
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Returns: time in seconds
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@see sys_time, clock()
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*/
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time_t time(time_t *t);
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#endif
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