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move clock_time_to_tick to time.c

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Meco Man
2021-02-12 20:36:17 +08:00
parent 40bb949cd5
commit 598aa86f75
4 changed files with 36 additions and 35 deletions
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34
components/libc/compilers/common/time.c
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@@ -512,4 +512,38 @@ int clock_settime(clockid_t clockid, const struct timespec *tp)
return 0;
}
RTM_EXPORT(clock_settime);
int clock_time_to_tick(const struct timespec *time)
{
int tick;
int nsecond, second;
struct timespec tp;
RT_ASSERT(time != RT_NULL);
tick = RT_WAITING_FOREVER;
if (time != NULL)
{
/* get current tp */
clock_gettime(CLOCK_REALTIME, &tp);
if ((time->tv_nsec - tp.tv_nsec) < 0)
{
nsecond = NANOSECOND_PER_SECOND - (tp.tv_nsec - time->tv_nsec);
second = time->tv_sec - tp.tv_sec - 1;
}
else
{
nsecond = time->tv_nsec - tp.tv_nsec;
second = time->tv_sec - tp.tv_sec;
}
tick = second * RT_TICK_PER_SECOND + nsecond * RT_TICK_PER_SECOND / NANOSECOND_PER_SECOND;
if (tick < 0) tick = 0;
}
return tick;
}
RTM_EXPORT(clock_time_to_tick);
#endif /* RT_USING_POSIX */