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/log.h"
21
22 #define LOG_TAG "[TimerWorld]"
23
24 #ifdef CHRE_NANOAPP_INTERNAL
25 namespace chre {
26 namespace {
27 #endif // CHRE_NANOAPP_INTERNAL
28
29 uint32_t gOneShotTimerHandle;
30 uint32_t gCyclicTimerHandle;
31 int gCyclicTimerCount;
32
nanoappStart()33 bool nanoappStart() {
34 LOGI("App started on platform ID %" PRIx64, chreGetPlatformId());
35
36 gOneShotTimerHandle = chreTimerSet(100000000 /* duration: 100ms */,
37 &gOneShotTimerHandle /* data */,
38 true /* oneShot */);
39 gCyclicTimerHandle = chreTimerSet(150000000 /* duration: 400ms */,
40 &gCyclicTimerHandle /* data */,
41 false /* oneShot */);
42 gCyclicTimerCount = 0;
43 return true;
44 }
45
handleTimerEvent(const void * eventData)46 void handleTimerEvent(const void *eventData) {
47 const uint32_t *timerHandle = static_cast<const uint32_t *>(eventData);
48 if (*timerHandle == gOneShotTimerHandle) {
49 LOGI("One shot timer event received");
50 } else if (*timerHandle == gCyclicTimerHandle) {
51 LOGI("Cyclic timer event received");
52 gCyclicTimerCount++;
53 if (gCyclicTimerCount > 1) {
54 chreTimerCancel(gCyclicTimerHandle);
55 }
56 }
57 }
58
nanoappHandleEvent(uint32_t senderInstanceId,uint16_t eventType,const void * eventData)59 void nanoappHandleEvent(uint32_t senderInstanceId,
60 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/util/nanoapp/app_id.h"
81 #include "chre/platform/static_nanoapp_init.h"
82
83 CHRE_STATIC_NANOAPP_INIT(TimerWorld, chre::kTimerWorldAppId, 0);
84 #endif // CHRE_NANOAPP_INTERNAL
85