Contiki-NG
testctimer.c
1 /*
2  * Copyright (c) 2006, Swedish Institute of Computer Science.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  * notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  * notice, this list of conditions and the following disclaimer in the
12  * documentation and/or other materials provided with the distribution.
13  * 3. Neither the name of the Institute nor the names of its contributors
14  * may be used to endorse or promote products derived from this software
15  * without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  */
30 
31 #include "contiki.h"
32 #include "sys/ctimer.h"
33 
34 #include <stdio.h>
35 
36 PROCESS(test_ctimer_process, "Callback timer test process");
37 AUTOSTART_PROCESSES(&test_ctimer_process);
38 /*---------------------------------------------------------------------------*/
39 static struct ctimer ct;
40 static uint16_t counter = 0;
41 /*---------------------------------------------------------------------------*/
42 static void
43 callback(void *ptr)
44 {
45  counter++;
46  printf("Callback function called at time %lu (counter=%i)\n", clock_time(), counter);
47  ctimer_set(&ct, CLOCK_SECOND/2, callback, NULL);
48 }
49 /*---------------------------------------------------------------------------*/
50 PROCESS_THREAD(test_ctimer_process, ev, data)
51 {
52  PROCESS_BEGIN();
53 
54  printf("Starting callback timer test process (counter=%i)\n", counter);
55 
56  ctimer_set(&ct, CLOCK_SECOND/2, callback, NULL);
57 
58  PROCESS_END();
59 }
#define PROCESS(name, strname)
Declare a process.
Definition: process.h:307
#define PROCESS_BEGIN()
Define the beginning of a process.
Definition: process.h:120
#define PROCESS_END()
Define the end of a process.
Definition: process.h:131
#define CLOCK_SECOND
A second, measured in system clock time.
Definition: clock.h:82
Header file for the callback timer
void ctimer_set(struct ctimer *c, clock_time_t t, void(*f)(void *), void *ptr)
Set a callback timer.
Definition: ctimer.c:99
clock_time_t clock_time(void)
Get the current clock time.
Definition: clock.c:118
PROCESS_THREAD(cc2538_rf_process, ev, data)
Implementation of the cc2538 RF driver process.
Definition: cc2538-rf.c:1107