1 /**
2  * \file
3  *
4  * \brief SAM Watchdog Driver
5  *
6  * Copyright (C) 2013-2015 Atmel Corporation. All rights reserved.
7  *
8  * \asf_license_start
9  *
10  * \page License
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions are met:
14  *
15  * 1. Redistributions of source code must retain the above copyright notice,
16  *    this list of conditions and the following disclaimer.
17  *
18  * 2. Redistributions in binary form must reproduce the above copyright notice,
19  *    this list of conditions and the following disclaimer in the documentation
20  *    and/or other materials provided with the distribution.
21  *
22  * 3. The name of Atmel may not be used to endorse or promote products derived
23  *    from this software without specific prior written permission.
24  *
25  * 4. This software may only be redistributed and used in connection with an
26  *    Atmel microcontroller product.
27  *
28  * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
29  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
30  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
31  * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
32  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
36  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
37  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38  * POSSIBILITY OF SUCH DAMAGE.
39  *
40  * \asf_license_stop
41  *
42  */
43 /*
44  * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
45  */
46 #ifndef WDT_CALLBACK_H_INCLUDED
47 #define WDT_CALLBACK_H_INCLUDED
48 
49 #include <compiler.h>
50 #include "wdt.h"
51 
52 #ifdef __cplusplus
53 extern "C" {
54 #endif
55 
56 /**
57  * \addtogroup asfdoc_sam0_wdt_group
58  *
59  * @{
60  */
61 
62 /** \name Callback Configuration and Initialization
63  * @{
64  */
65 
66 /** Type definition for a WDT module callback function. */
67 typedef void (*wdt_callback_t)(void);
68 
69 /** Enum for the possible callback types for the WDT module. */
70 enum wdt_callback
71 {
72 	/** Callback type for when an early warning callback from the WDT module
73 	 *  is issued
74 	 */
75 	WDT_CALLBACK_EARLY_WARNING,
76 };
77 
78 enum status_code wdt_register_callback(
79 		const wdt_callback_t callback,
80 		const enum wdt_callback type);
81 
82 enum status_code wdt_unregister_callback(
83 		const enum wdt_callback type);
84 
85 /** @} */
86 
87 /** \name Callback Enabling and Disabling
88  * @{
89  */
90 
91 enum status_code wdt_enable_callback(
92 		const enum wdt_callback type);
93 
94 enum status_code wdt_disable_callback(
95 		const enum wdt_callback type);
96 
97 /** @} */
98 
99 /** @} */
100 
101 #ifdef __cplusplus
102 }
103 #endif
104 
105 #endif
106