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 defines the platform-specific functions needed by OpenThread's example applications.
33  */
34 
35 #ifndef OPENTHREAD_SYSTEM_H_
36 #define OPENTHREAD_SYSTEM_H_
37 
38 #include <openthread/instance.h>
39 
40 #ifdef __cplusplus
41 extern "C" {
42 #endif
43 
44 /**
45  * Performs all platform-specific initialization of OpenThread's drivers.
46  *
47  * @note This function is not called by the OpenThread library. Instead, the system/RTOS should call this function
48  *       when initialization of OpenThread's drivers is most appropriate.
49  *
50  * @param[in]  argc  Number of arguments in @p argv.
51  * @param[in]  argv  Argument vector.
52  */
53 void otSysInit(int argc, char *argv[]);
54 
55 /**
56  * Performs all platform-specific deinitialization for OpenThread's drivers.
57  *
58  * @note This function is not called by the OpenThread library. Instead, the system/RTOS should call this function
59  *       when deinitialization of OpenThread's drivers is most appropriate.
60  */
61 void otSysDeinit(void);
62 
63 /**
64  * Returns true if a pseudo-reset was requested.
65  *
66  * In such a case, the main loop should shut down and re-initialize the OpenThread instance.
67  *
68  * @note This function is not called by the OpenThread library. Instead, the system/RTOS should call this function
69  *       in the main loop to determine when to shut down and re-initialize the OpenThread instance.
70  */
71 bool otSysPseudoResetWasRequested(void);
72 
73 /**
74  * Performs all platform-specific processing for OpenThread's example applications.
75  *
76  * @note This function is not called by the OpenThread library. Instead, the system/RTOS should call this function
77  *       in the main loop when processing OpenThread's drivers is most appropriate.
78  *
79  * @param[in]  aInstance  The OpenThread instance structure.
80  */
81 void otSysProcessDrivers(otInstance *aInstance);
82 
83 /**
84  * Is called whenever platform drivers needs processing.
85  *
86  * @note This function is not handled by the OpenThread library. Instead, the system/RTOS should handle this function
87  *       and schedule a call to `otSysProcessDrivers()`.
88  */
89 extern void otSysEventSignalPending(void);
90 
91 #ifdef __cplusplus
92 } // end of extern "C"
93 #endif
94 
95 #endif // OPENTHREAD_SYSTEM_H_
96