#include <sys/timer.h>
#include <sys/atomic.h>

#include <stdlib.h>

void timer_start(SYSTIMER* timer,uint32_t timeout){
	ATOMIC
	
	if (timer){
		if (timeout == 0L) {
			timeout = timer->elapse;
		};
		
		timer->timeout = _systick_ticks + timeout;
		
		if (list_is_empty(&timer->list)){
				list_append(&timer->list, &sys_timers);
		}
	};
};