1 /**
2  * \file
3  *
4  * \brief Reset related functionality declaration.
5  *
6  * Copyright (C) 2014 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
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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 #ifndef _HPL_RESET_H_INCLUDED
45 #define _HPL_RESET_H_INCLUDED
46 
47 /**
48  * \addtogroup HPL Reset
49  *
50  * \section hpl_reset_rev Revision History
51  * - v1.0.0 Initial Release
52  *
53  *@{
54  */
55 
56 #ifndef _UNIT_TEST_
57 #include <compiler.h>
58 #endif
59 
60 #ifdef __cplusplus
61 extern "C" {
62 #endif
63 
64 /**
65  * \brief Reset reason enumeration
66  *
67  * The list of possible reset reasons.
68  */
69 enum reset_reason {
70 	RESET_REASON_POR   = 1,
71 	RESET_REASON_BOD12 = 2,
72 	RESET_REASON_BOD33 = 4,
73 	RESET_REASON_EXT   = 8,
74 	RESET_REASON_WDT   = 16,
75 	RESET_REASON_SYST  = 32
76 };
77 
78 /**
79  * \name HPL functions
80  */
81 //@{
82 /**
83  * \brief Retrieve the reset reason
84  *
85  * Retrieves the reset reason of the last MCU reset.
86  *
87  *\return An enum value indicating the reason of the last reset.
88  */
89 enum reset_reason _get_reset_reason(void);
90 
91 /**
92  * \brief Reset MCU
93  */
94 void _reset_mcu(void);
95 //@}
96 
97 #ifdef __cplusplus
98 }
99 #endif
100 /**@}*/
101 #endif /* _HPL_RESET_H_INCLUDED */
102