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 <chre.h>
18 #include <cinttypes>
19
20 #include "chre/util/nanoapp/audio.h"
21 #include "chre/util/nanoapp/log.h"
22
23 #define LOG_TAG "[TimerWorld]"
24
25 #ifdef CHRE_NANOAPP_INTERNAL
26 namespace chre {
27 namespace {
28 #endif // CHRE_NANOAPP_INTERNAL
29
30 uint32_t gOneShotTimerHandle;
31 uint32_t gCyclicTimerHandle;
32 int gCyclicTimerCount;
33
nanoappStart()34 bool nanoappStart() {
35 LOGI("App started on platform ID %" PRIx64, chreGetPlatformId());
36
37 gOneShotTimerHandle =
38 chreTimerSet(100000000 /* duration: 100ms */,
39 &gOneShotTimerHandle /* data */, true /* oneShot */);
40 gCyclicTimerHandle =
41 chreTimerSet(150000000 /* duration: 150ms */,
42 &gCyclicTimerHandle /* data */, false /* oneShot */);
43 gCyclicTimerCount = 0;
44 return true;
45 }
46
handleTimerEvent(const void * eventData)47 void handleTimerEvent(const void *eventData) {
48 const uint32_t *timerHandle = static_cast<const uint32_t *>(eventData);
49 if (*timerHandle == gOneShotTimerHandle) {
50 LOGI("One shot timer event received");
51 } else if (*timerHandle == gCyclicTimerHandle) {
52 LOGI("Cyclic timer event received");
53 gCyclicTimerCount++;
54 if (gCyclicTimerCount > 1) {
55 chreTimerCancel(gCyclicTimerHandle);
56 }
57 }
58 }
59
nanoappHandleEvent(uint32_t senderInstanceId,uint16_t eventType,const void * eventData)60 void nanoappHandleEvent(uint32_t senderInstanceId, uint16_t eventType,
61 const void *eventData) {
62 switch (eventType) {
63 case CHRE_EVENT_TIMER:
64 handleTimerEvent(eventData);
65 break;
66 default:
67 LOGW("Unknown event received");
68 break;
69 }
70 }
71
nanoappEnd()72 void nanoappEnd() {
73 LOGI("Stopped");
74 }
75
76 #ifdef CHRE_NANOAPP_INTERNAL
77 } // anonymous namespace
78 } // namespace chre
79
80 #include "chre/platform/static_nanoapp_init.h"
81 #include "chre/util/nanoapp/app_id.h"
82 #include "chre/util/system/napp_permissions.h"
83
84 CHRE_STATIC_NANOAPP_INIT(TimerWorld, chre::kTimerWorldAppId, 0,
85 chre::NanoappPermissions::CHRE_PERMS_NONE);
86 #endif // CHRE_NANOAPP_INTERNAL
87