blink.c

#include "contiki.h"
#include "dev/leds.h"

PROCESS(blink_process, "Blink");
AUTOSTART_PROCESSES(&blink_process);

PROCESS_THREAD(blink_process,ev,data)
{
	PROCESS_EXITHANDLER(goto exit;)
	PROCESS_BEGIN();
	
	while(1){
		static struct etimer et;
		etimer_set(&et, CLOCK_SECOND);
		PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
		leds_on(LEDS_RED);
		etimer_set(&et, CLOCK_SECOND);
		PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
		leds_off(LEDS_ALL)	;
	}

	exit:
		leds_off(LEDS_ALL);
		PROCESS_END();
}