Contiki 2.6
|
00001 /* 00002 * Copyright (c) 2007, Swedish Institute of Computer Science. 00003 * All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions 00007 * are met: 00008 * 1. Redistributions of source code must retain the above copyright 00009 * notice, this list of conditions and the following disclaimer. 00010 * 2. Redistributions in binary form must reproduce the above copyright 00011 * notice, this list of conditions and the following disclaimer in the 00012 * documentation and/or other materials provided with the distribution. 00013 * 3. Neither the name of the Institute nor the names of its contributors 00014 * may be used to endorse or promote products derived from this software 00015 * without specific prior written permission. 00016 * 00017 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 00018 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00019 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00020 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 00021 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00022 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 00023 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00024 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00025 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 00026 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00027 * SUCH DAMAGE. 00028 * 00029 * This file is part of the Contiki operating system. 00030 * 00031 * $Id: blink.c,v 1.1 2010/08/24 16:26:38 joxe Exp $ 00032 */ 00033 00034 /** 00035 * \file 00036 * A quick program that blinks the LEDs 00037 * \author 00038 * Adam Dunkels <adam@sics.se> 00039 */ 00040 00041 #include "contiki.h" 00042 #include "dev/leds.h" 00043 /*---------------------------------------------------------------------------*/ 00044 PROCESS(blink_process, "Blink"); 00045 AUTOSTART_PROCESSES(&blink_process); 00046 /*---------------------------------------------------------------------------*/ 00047 PROCESS_THREAD(blink_process, ev, data) 00048 { 00049 PROCESS_EXITHANDLER(goto exit;) 00050 PROCESS_BEGIN(); 00051 00052 while(1) { 00053 static struct etimer et; 00054 etimer_set(&et, CLOCK_SECOND); 00055 PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et)); 00056 leds_on(LEDS_ALL); 00057 etimer_set(&et, CLOCK_SECOND); 00058 PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et)); 00059 leds_off(LEDS_ALL); 00060 } 00061 00062 exit: 00063 leds_off(LEDS_ALL); 00064 PROCESS_END(); 00065 } 00066 /*---------------------------------------------------------------------------*/