1 /*
2 * Copyright (C) 2016 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <cinttypes>
18
19 #include "chre/util/macros.h"
20 #include "chre/util/nanoapp/audio.h"
21 #include "chre/util/nanoapp/log.h"
22 #include "chre_api/chre.h"
23
24 #define LOG_TAG "[TimerWorld]"
25
26 #ifdef CHRE_NANOAPP_INTERNAL
27 namespace chre {
28 namespace {
29 #endif // CHRE_NANOAPP_INTERNAL
30
31 uint32_t gOneShotTimerHandle;
32 uint32_t gCyclicTimerHandle;
33 int gCyclicTimerCount;
34
nanoappStart()35 bool nanoappStart() {
36 LOGI("App started on platform ID %" PRIx64, chreGetPlatformId());
37
38 gOneShotTimerHandle =
39 chreTimerSet(100000000 /* duration: 100ms */,
40 &gOneShotTimerHandle /* data */, true /* oneShot */);
41 gCyclicTimerHandle =
42 chreTimerSet(150000000 /* duration: 150ms */,
43 &gCyclicTimerHandle /* data */, false /* oneShot */);
44 gCyclicTimerCount = 0;
45 return true;
46 }
47
handleTimerEvent(const void * eventData)48 void handleTimerEvent(const void *eventData) {
49 const uint32_t *timerHandle = static_cast<const uint32_t *>(eventData);
50 if (*timerHandle == gOneShotTimerHandle) {
51 LOGI("One shot timer event received");
52 } else if (*timerHandle == gCyclicTimerHandle) {
53 LOGI("Cyclic timer event received");
54 gCyclicTimerCount++;
55 if (gCyclicTimerCount > 1) {
56 chreTimerCancel(gCyclicTimerHandle);
57 }
58 }
59 }
60
nanoappHandleEvent(uint32_t senderInstanceId,uint16_t eventType,const void * eventData)61 void nanoappHandleEvent(uint32_t senderInstanceId, uint16_t eventType,
62 const void *eventData) {
63 UNUSED_VAR(senderInstanceId);
64
65 switch (eventType) {
66 case CHRE_EVENT_TIMER:
67 handleTimerEvent(eventData);
68 break;
69 default:
70 LOGW("Unknown event received");
71 break;
72 }
73 }
74
nanoappEnd()75 void nanoappEnd() {
76 LOGI("Stopped");
77 }
78
79 #ifdef CHRE_NANOAPP_INTERNAL
80 } // anonymous namespace
81 } // namespace chre
82
83 #include "chre/platform/static_nanoapp_init.h"
84 #include "chre/util/nanoapp/app_id.h"
85 #include "chre/util/system/napp_permissions.h"
86
87 CHRE_STATIC_NANOAPP_INIT(TimerWorld, chre::kTimerWorldAppId, 0,
88 chre::NanoappPermissions::CHRE_PERMS_NONE);
89 #endif // CHRE_NANOAPP_INTERNAL
90