rt-thread-official/components/libc/time/posix_sleep.c

16 lines
317 B
C

#include <stdlib.h>
#include <rtthread.h>
#include <unistd.h>
unsigned int sleep(unsigned int seconds)
{
rt_tick_t delta_tick;
delta_tick = rt_tick_get();
rt_thread_delay(seconds * RT_TICK_PER_SECOND);
delta_tick = rt_tick_get() - delta_tick;
return seconds - delta_tick/RT_TICK_PER_SECOND;
}