helloworld.c

00001 /*
00002  * Copyright (c) 2006, 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 Configurable Sensor Network Application
00030  * Architecture for sensor nodes running the Contiki operating system.
00031  *
00032  * $Id: helloworld.c,v 1.1 2006/06/18 07:48:48 adamdunkels Exp $
00033  *
00034  * -----------------------------------------------------------------
00035  *
00036  * Author  : Adam Dunkels, Joakim Eriksson, Niclas Finne
00037  * Created : 2006-03-07
00038  * Updated : $Date: 2006/06/18 07:48:48 $
00039  *           $Revision: 1.1 $
00040  */
00041 
00042 #include "contiki-esb.h"
00043 #include <stdio.h>
00044 
00045 PROCESS(helloworld_process, "Helloworld");
00046 
00047 AUTOSTART_PROCESSES(&helloworld_process);
00048 
00049 static struct etimer timer;
00050 
00051 /*---------------------------------------------------------------------*/
00052 PROCESS_THREAD(helloworld_process, ev, data)
00053 {
00054   PROCESS_BEGIN();
00055 
00056   etimer_set(&timer, CLOCK_SECOND * 2);
00057 
00058   while(1) {
00059     PROCESS_WAIT_EVENT_UNTIL(ev == PROCESS_EVENT_TIMER);
00060 
00061     etimer_reset(&timer);
00062     leds_invert(LEDS_YELLOW);
00063     printf("Hello world!\n");
00064   }
00065   PROCESS_END();
00066 }
00067 /*---------------------------------------------------------------------*/

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