Contiki 2.5
watchdog.c
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1 /*
2  * Copyright (c) 2010, STMicroelectronics.
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
11  * copyright notice, this list of conditions and the following
12  * disclaimer in the documentation and/or other materials provided
13  * with the distribution.
14  * 3. The name of the author may not be used to endorse or promote
15  * products derived from this software without specific prior
16  * written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
19  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
22  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
24  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
26  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
27  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  *
30  * This file is part of the Contiki OS
31  *
32  * $Id: watchdog.c,v 1.1 2010/10/25 09:03:39 salvopitru Exp $
33  */
34 /*---------------------------------------------------------------------------*/
35 /**
36 * \file
37 * Watchdog
38 * \author
39 * Salvatore Pitrulli <salvopitru@users.sourceforge.net>
40 */
41 /*---------------------------------------------------------------------------*/
42 
43 #include <stdio.h>
44 
45 #include "dev/watchdog.h"
46 
47 #include PLATFORM_HEADER
48 #include "hal/error.h"
49 #include "hal/hal.h"
50 
51 
52 /*---------------------------------------------------------------------------*/
53 void
54 watchdog_init(void)
55 {
56 
57 }
58 /*---------------------------------------------------------------------------*/
59 void
60 watchdog_start(void)
61 {
62  /* We setup the watchdog to reset the device after 2.048 seconds,
63  unless watchdog_periodic() is called. */
64  halInternalEnableWatchDog();
65 }
66 /*---------------------------------------------------------------------------*/
67 void
68 watchdog_periodic(void)
69 {
70  /* This function is called periodically to restart the watchdog
71  timer. */
72  halResetWatchdog();
73 }
74 /*---------------------------------------------------------------------------*/
75 void
76 watchdog_stop(void)
77 {
78  halInternalDisableWatchDog(MICRO_DISABLE_WATCH_DOG_KEY);
79 }
80 /*---------------------------------------------------------------------------*/
81 void
82 watchdog_reboot(void)
83 {
84  halReboot();
85 }
86 /*---------------------------------------------------------------------------*/
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