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/platform/system_timer.h"
18
19 #include "chre/platform/log.h"
20
21 namespace chre {
22
SystemTimer()23 SystemTimer::SystemTimer() {}
24
~SystemTimer()25 SystemTimer::~SystemTimer() {
26 if (mInitialized) {
27 slpiTimerUndef(&mTimerHandle);
28 }
29 }
30
init()31 bool SystemTimer::init() {
32 if (mInitialized) {
33 LOGW("Tried re-initializing timer");
34 } else {
35 #ifdef CHRE_SLPI_UIMG_ENABLED
36 SlpiTimerErrorType status = utimer_def_osal(
37 &mTimerHandle, UTIMER_FUNC1_CB_TYPE,
38 reinterpret_cast<utimer_osal_notify_obj_ptr>(systemTimerNotifyCallback),
39 reinterpret_cast<utimer_osal_notify_data>(this));
40 #else
41 SlpiTimerErrorType status = timer_def_osal(
42 &mTimerHandle, &timer_non_defer_group, TIMER_FUNC1_CB_TYPE,
43 reinterpret_cast<time_osal_notify_obj_ptr>(systemTimerNotifyCallback),
44 reinterpret_cast<time_osal_notify_data>(this));
45 #endif // CHRE_SLPI_UIMG_ENABLED
46
47 if (status != SLPI_TIMER_SUCCESS) {
48 LOGE("Error initializing timer %d", status);
49 } else {
50 mInitialized = true;
51 }
52 }
53
54 return mInitialized;
55 }
56
set(SystemTimerCallback * callback,void * data,Nanoseconds delay)57 bool SystemTimer::set(SystemTimerCallback *callback, void *data,
58 Nanoseconds delay) {
59 bool wasSet = false;
60 if (mInitialized) {
61 mCallback = callback;
62 mData = data;
63 SlpiTimerErrorType status =
64 slpiTimerSet64(&mTimerHandle, Microseconds(delay).getMicroseconds(), 0,
65 SlpiTimerMicroUnit);
66 if (status != SLPI_TIMER_SUCCESS) {
67 LOGE("Error setting timer %d", status);
68 } else {
69 wasSet = true;
70 }
71 }
72
73 return wasSet;
74 }
75
cancel()76 bool SystemTimer::cancel() {
77 bool wasCancelled = false;
78 if (mInitialized) {
79 SlpiTimerTickType ticksRemaining =
80 slpiTimerClr64(&mTimerHandle, SlpiTimerTickUnit);
81 wasCancelled = (ticksRemaining > 0);
82 }
83
84 return wasCancelled;
85 }
86
isActive()87 bool SystemTimer::isActive() {
88 SlpiTimerTickType ticksRemaining =
89 slpiTimerGet64(&mTimerHandle, SlpiTimerTickUnit);
90 return (mInitialized && ticksRemaining > 0);
91 }
92
systemTimerNotifyCallback(SlpiTimerCallbackDataType data)93 void SystemTimerBase::systemTimerNotifyCallback(
94 SlpiTimerCallbackDataType data) {
95 SystemTimer *systemTimer = reinterpret_cast<SystemTimer *>(data);
96 systemTimer->mCallback(systemTimer->mData);
97 }
98
99 } // namespace chre
100