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 #include "platform-simulation.h"
30
31 #include <setjmp.h>
32 #include <unistd.h>
33
34 #include <openthread/logging.h>
35 #include <openthread/platform/misc.h>
36
37 #include "openthread-system.h"
38
39 extern jmp_buf gResetJump;
40
41 static otPlatResetReason sPlatResetReason = OT_PLAT_RESET_REASON_POWER_ON;
42 bool gPlatformPseudoResetWasRequested;
43 static otPlatMcuPowerState gPlatMcuPowerState = OT_PLAT_MCU_POWER_STATE_ON;
44
otPlatReset(otInstance * aInstance)45 void otPlatReset(otInstance *aInstance)
46 {
47 OT_UNUSED_VARIABLE(aInstance);
48
49 #if OPENTHREAD_PLATFORM_USE_PSEUDO_RESET
50 gPlatformPseudoResetWasRequested = true;
51 sPlatResetReason = OT_PLAT_RESET_REASON_SOFTWARE;
52
53 #else // OPENTHREAD_PLATFORM_USE_PSEUDO_RESET
54 // Restart the process using execvp.
55 otSysDeinit();
56 platformUartRestore();
57
58 longjmp(gResetJump, 1);
59 assert(false);
60
61 #endif // OPENTHREAD_PLATFORM_USE_PSEUDO_RESET
62 }
63
64 #if OPENTHREAD_CONFIG_PLATFORM_BOOTLOADER_MODE_ENABLE
otPlatResetToBootloader(otInstance * aInstance)65 otError otPlatResetToBootloader(otInstance *aInstance)
66 {
67 OT_UNUSED_VARIABLE(aInstance);
68
69 return OT_ERROR_NOT_CAPABLE;
70 }
71 #endif
72
otPlatGetResetReason(otInstance * aInstance)73 otPlatResetReason otPlatGetResetReason(otInstance *aInstance)
74 {
75 OT_UNUSED_VARIABLE(aInstance);
76
77 return sPlatResetReason;
78 }
79
otPlatWakeHost(void)80 void otPlatWakeHost(void)
81 {
82 // TODO: implement an operation to wake the host from sleep state.
83 }
84
otPlatSetMcuPowerState(otInstance * aInstance,otPlatMcuPowerState aState)85 otError otPlatSetMcuPowerState(otInstance *aInstance, otPlatMcuPowerState aState)
86 {
87 OT_UNUSED_VARIABLE(aInstance);
88
89 otError error = OT_ERROR_NONE;
90
91 switch (aState)
92 {
93 case OT_PLAT_MCU_POWER_STATE_ON:
94 case OT_PLAT_MCU_POWER_STATE_LOW_POWER:
95 gPlatMcuPowerState = aState;
96 break;
97
98 default:
99 error = OT_ERROR_FAILED;
100 break;
101 }
102
103 return error;
104 }
105
otPlatGetMcuPowerState(otInstance * aInstance)106 otPlatMcuPowerState otPlatGetMcuPowerState(otInstance *aInstance)
107 {
108 OT_UNUSED_VARIABLE(aInstance);
109
110 return gPlatMcuPowerState;
111 }
112
113 #if OPENTHREAD_CONFIG_PLATFORM_LOG_CRASH_DUMP_ENABLE
otPlatLogCrashDump(void)114 otError otPlatLogCrashDump(void) { return OT_ERROR_NONE; }
115 #endif
116