klemek
54b166d33f
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38 lines
784 B
C
38 lines
784 B
C
#include <bits/time.h>
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#include <limits.h>
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#include <time.h>
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#include "types.h"
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#include "timer.h"
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void timer_init(Timer *timer, const unsigned int target) {
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timer->counter = 0;
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timer->target = target;
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clock_gettime(CLOCK_REALTIME, &timer->start);
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}
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bool timer_inc(Timer *timer) {
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timer->counter += 1;
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return timer->counter == UINT_MAX || timer->counter >= timer->target;
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}
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double timer_reset(Timer *timer) {
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struct timespec stop;
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double secs;
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double per_secs;
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if (clock_gettime(CLOCK_REALTIME, &stop) != 0) {
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return 0.0;
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}
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secs = (double)(stop.tv_sec - timer->start.tv_sec) +
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(double)(stop.tv_nsec - timer->start.tv_nsec) / 1e9;
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per_secs = (double)timer->counter / secs;
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timer->start = stop;
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timer->counter = 0;
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return per_secs;
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}
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