diff --git a/examples/sky/blink.c b/examples/sky/blink.c new file mode 100644 index 000000000..dbeabb8e2 --- /dev/null +++ b/examples/sky/blink.c @@ -0,0 +1,66 @@ +/* + * Copyright (c) 2007, Swedish Institute of Computer Science. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * This file is part of the Contiki operating system. + * + * $Id: blink.c,v 1.1 2007/03/23 00:05:52 adamdunkels Exp $ + */ + +/** + * \file + * A quick program that blinks the LEDs + * \author + * Adam Dunkels + */ + +#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_ALL); + etimer_set(&et, CLOCK_SECOND); + PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et)); + leds_off(LEDS_ALL); + } + + exit: + leds_off(LEDS_ALL); + PROCESS_END(); +} +/*---------------------------------------------------------------------------*/