Contiki 2.6

testctimer.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  * $Id: testctimer.c,v 1.3 2010/06/14 18:58:45 adamdunkels Exp $
00030  */
00031 
00032 #include "contiki.h"
00033 #include "sys/ctimer.h"
00034 
00035 #include <stdio.h>
00036 
00037 PROCESS(test_ctimer_process, "Callback timer test process");
00038 AUTOSTART_PROCESSES(&test_ctimer_process);
00039 /*---------------------------------------------------------------------------*/
00040 static struct ctimer ct;
00041 static uint16_t counter = 0;
00042 /*---------------------------------------------------------------------------*/
00043 static void
00044 callback(void *ptr)
00045 {
00046   counter++;
00047   printf("Callback function called at time %lu (counter=%i)\n", clock_time(), counter);
00048   ctimer_set(&ct, CLOCK_SECOND/2, callback, NULL);
00049 }
00050 /*---------------------------------------------------------------------------*/
00051 PROCESS_THREAD(test_ctimer_process, ev, data)
00052 {
00053   PROCESS_BEGIN();
00054 
00055   printf("Starting callback timer test process (counter=%i)\n", counter);
00056 
00057   ctimer_set(&ct, CLOCK_SECOND/2, callback, NULL);
00058 
00059   PROCESS_END();
00060 }