34 lines
662 B
C
34 lines
662 B
C
//---
|
|
// gint:clock:sleep - Various low-level sleep functions
|
|
//---
|
|
|
|
#include <gint/clock.h>
|
|
#include <gint/timer.h>
|
|
|
|
static void do_sleep(uint64_t delay_us, int spin)
|
|
{
|
|
volatile int flag = 0;
|
|
|
|
int timer = timer_setup(TIMER_ANY, delay_us, timer_timeout, &flag);
|
|
if(timer < 0) return;
|
|
|
|
timer_start(timer);
|
|
if(spin) {
|
|
timer_spinwait(timer);
|
|
timer_stop(timer);
|
|
}
|
|
else timer_wait(timer);
|
|
}
|
|
|
|
/* sleep_us(): Sleep for a fixed duration in microseconds */
|
|
void sleep_us(uint64_t delay_us)
|
|
{
|
|
do_sleep(delay_us, 0);
|
|
}
|
|
|
|
/* sleep_us_spin(): Actively sleep for a fixed duration in microseconds */
|
|
void sleep_us_spin(uint64_t delay_us)
|
|
{
|
|
do_sleep(delay_us, 1);
|
|
}
|