1 /*
2  *  Copyright (c) 2016, The OpenThread Authors.
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 are met:
7  *  1. Redistributions of source code must retain the above copyright
8  *     notice, this list of conditions and the following disclaimer.
9  *  2. Redistributions in binary form must reproduce the above copyright
10  *     notice, this list of conditions and the following disclaimer in the
11  *     documentation and/or other materials provided with the distribution.
12  *  3. Neither the name of the copyright holder nor the
13  *     names of its contributors may be used to endorse or promote products
14  *     derived from this software without specific prior written permission.
15  *
16  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17  *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20  *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  *  POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 /**
30  * @file
31  * @brief
32  *   This file includes the platform abstraction for the millisecond alarm service.
33  */
34 
35 #ifndef OPENTHREAD_PLATFORM_ALARM_MILLI_H_
36 #define OPENTHREAD_PLATFORM_ALARM_MILLI_H_
37 
38 #include <stdint.h>
39 
40 #include <openthread/instance.h>
41 
42 #ifdef __cplusplus
43 extern "C" {
44 #endif
45 
46 /**
47  * @addtogroup plat-alarm
48  *
49  * @brief
50  *   This module includes the platform abstraction for the alarm service.
51  *
52  * @{
53  *
54  */
55 
56 /**
57  * Set the alarm to fire at @p aDt milliseconds after @p aT0.
58  *
59  * @param[in] aInstance  The OpenThread instance structure.
60  * @param[in] aT0        The reference time.
61  * @param[in] aDt        The time delay in milliseconds from @p aT0.
62  */
63 void otPlatAlarmMilliStartAt(otInstance *aInstance, uint32_t aT0, uint32_t aDt);
64 
65 /**
66  * Stop the alarm.
67  *
68  * @param[in] aInstance  The OpenThread instance structure.
69  */
70 void otPlatAlarmMilliStop(otInstance *aInstance);
71 
72 /**
73  * Get the current time.
74  *
75  * @returns The current time in milliseconds.
76  */
77 uint32_t otPlatAlarmMilliGetNow(void);
78 
79 /**
80  * Signal that the alarm has fired.
81  *
82  * @param[in] aInstance  The OpenThread instance structure.
83  */
84 extern void otPlatAlarmMilliFired(otInstance *aInstance);
85 
86 /**
87  * Signal diagnostics module that the alarm has fired.
88  *
89  * @param[in] aInstance  The OpenThread instance structure.
90  */
91 extern void otPlatDiagAlarmFired(otInstance *aInstance);
92 
93 /**
94  * @}
95  *
96  */
97 
98 #ifdef __cplusplus
99 } // extern "C"
100 #endif
101 
102 #endif // OPENTHREAD_PLATFORM_ALARM_MILLI_H_
103