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Harpreet "Eli" Sanghae8631242019-01-31 15:43:36 +09001/*
2 * Copyright (C) 2019 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#define LOG_TAG "VibratorService"
18
19#include <log/log.h>
20
21#include "Vibrator.h"
22
23namespace android {
24namespace hardware {
25namespace vibrator {
Harpreet \"Eli\" Sangha714220e2019-09-27 19:01:25 +090026namespace V1_4 {
Harpreet "Eli" Sanghae8631242019-01-31 15:43:36 +090027namespace implementation {
28
29static constexpr uint32_t MS_PER_S = 1000;
30static constexpr uint32_t NS_PER_MS = 1000000;
31
32Vibrator::Vibrator() {
33 sigevent se{};
34 se.sigev_notify = SIGEV_THREAD;
35 se.sigev_value.sival_ptr = this;
36 se.sigev_notify_function = timerCallback;
37 se.sigev_notify_attributes = nullptr;
38
39 if (timer_create(CLOCK_REALTIME, &se, &mTimer) < 0) {
40 ALOGE("Can not create timer!%s", strerror(errno));
41 }
42}
43
44// Methods from ::android::hardware::vibrator::V1_0::IVibrator follow.
45
46Return<Status> Vibrator::on(uint32_t timeoutMs) {
47 return activate(timeoutMs);
48}
49
50Return<Status> Vibrator::off() {
51 return activate(0);
52}
53
54Return<bool> Vibrator::supportsAmplitudeControl() {
55 return true;
56}
57
58Return<Status> Vibrator::setAmplitude(uint8_t amplitude) {
Harpreet "Eli" Sangha15d52022019-04-10 16:38:12 +090059 if (!amplitude) {
60 return Status::BAD_VALUE;
61 }
Harpreet "Eli" Sanghae8631242019-01-31 15:43:36 +090062 ALOGI("Amplitude: %u -> %u\n", mAmplitude, amplitude);
63 mAmplitude = amplitude;
64 return Status::OK;
65}
66
67Return<void> Vibrator::perform(V1_0::Effect effect, EffectStrength strength, perform_cb _hidl_cb) {
Harpreet "Eli" Sangha15d52022019-04-10 16:38:12 +090068 return perform<decltype(effect)>(effect, strength, _hidl_cb);
Harpreet "Eli" Sanghae8631242019-01-31 15:43:36 +090069}
70
71// Methods from ::android::hardware::vibrator::V1_1::IVibrator follow.
72
73Return<void> Vibrator::perform_1_1(V1_1::Effect_1_1 effect, EffectStrength strength,
74 perform_cb _hidl_cb) {
Harpreet "Eli" Sangha15d52022019-04-10 16:38:12 +090075 return perform<decltype(effect)>(effect, strength, _hidl_cb);
Harpreet "Eli" Sanghae8631242019-01-31 15:43:36 +090076}
77
78// Methods from ::android::hardware::vibrator::V1_2::IVibrator follow.
79
Michael Wrighta4c94fd2019-03-21 20:48:34 +000080Return<void> Vibrator::perform_1_2(V1_2::Effect effect, EffectStrength strength,
81 perform_cb _hidl_cb) {
Harpreet "Eli" Sangha15d52022019-04-10 16:38:12 +090082 return perform<decltype(effect)>(effect, strength, _hidl_cb);
Harpreet "Eli" Sanghae8631242019-01-31 15:43:36 +090083}
84
85// Methods from ::android::hardware::vibrator::V1_3::IVibrator follow.
86
87Return<bool> Vibrator::supportsExternalControl() {
88 return true;
89}
90
91Return<Status> Vibrator::setExternalControl(bool enabled) {
92 if (mEnabled) {
93 ALOGW("Setting external control while the vibrator is enabled is unsupported!");
94 return Status::UNSUPPORTED_OPERATION;
95 } else {
96 ALOGI("ExternalControl: %s -> %s\n", mExternalControl ? "true" : "false",
97 enabled ? "true" : "false");
98 mExternalControl = enabled;
99 return Status::OK;
100 }
101}
102
Harpreet \"Eli\" Sangha714220e2019-09-27 19:01:25 +0900103Return<void> Vibrator::perform_1_3(V1_3::Effect effect, EffectStrength strength,
104 perform_cb _hidl_cb) {
105 return perform<decltype(effect)>(effect, strength, _hidl_cb);
106}
107
108// Methods from ::android::hardware::vibrator::V1_4::IVibrator follow.
109
110Return<hidl_bitfield<Capabilities>> Vibrator::getCapabilities() {
111 return Capabilities::ON_COMPLETION_CALLBACK | Capabilities::PERFORM_COMPLETION_CALLBACK;
112}
113
114Return<Status> Vibrator::on_1_4(uint32_t timeoutMs, const sp<IVibratorCallback>& callback) {
115 mCallback = callback;
116 return on(timeoutMs);
117}
118
119Return<void> Vibrator::perform_1_4(V1_3::Effect effect, EffectStrength strength,
120 const sp<IVibratorCallback>& callback, perform_cb _hidl_cb) {
121 mCallback = callback;
Harpreet "Eli" Sangha15d52022019-04-10 16:38:12 +0900122 return perform<decltype(effect)>(effect, strength, _hidl_cb);
123}
124
125// Private methods follow.
126
127Return<void> Vibrator::perform(Effect effect, EffectStrength strength, perform_cb _hidl_cb) {
Michael Wrighta4c94fd2019-03-21 20:48:34 +0000128 uint8_t amplitude;
129 uint32_t ms;
Harpreet "Eli" Sangha79755bc2019-03-25 16:42:28 +0900130 Status status = Status::OK;
Michael Wrighta4c94fd2019-03-21 20:48:34 +0000131
Harpreet "Eli" Sanghaa2443212019-03-25 14:08:59 +0900132 ALOGI("Perform: Effect %s\n", effectToName(effect).c_str());
Michael Wrighta4c94fd2019-03-21 20:48:34 +0000133
Harpreet "Eli" Sangha79755bc2019-03-25 16:42:28 +0900134 amplitude = strengthToAmplitude(strength, &status);
135 if (status != Status::OK) {
136 _hidl_cb(status, 0);
137 return Void();
138 }
Michael Wrighta4c94fd2019-03-21 20:48:34 +0000139 setAmplitude(amplitude);
140
Harpreet "Eli" Sangha79755bc2019-03-25 16:42:28 +0900141 ms = effectToMs(effect, &status);
142 if (status != Status::OK) {
143 _hidl_cb(status, 0);
144 return Void();
145 }
Michael Wrighta4c94fd2019-03-21 20:48:34 +0000146 status = activate(ms);
147
148 _hidl_cb(status, ms);
149
150 return Void();
151}
152
Harpreet "Eli" Sangha15d52022019-04-10 16:38:12 +0900153template <typename T>
154Return<void> Vibrator::perform(T effect, EffectStrength strength, perform_cb _hidl_cb) {
155 auto validRange = hidl_enum_range<T>();
156 if (effect < *validRange.begin() || effect > *std::prev(validRange.end())) {
157 _hidl_cb(Status::UNSUPPORTED_OPERATION, 0);
158 return Void();
159 }
160 return perform(static_cast<Effect>(effect), strength, _hidl_cb);
161}
Harpreet "Eli" Sanghae8631242019-01-31 15:43:36 +0900162
163Status Vibrator::enable(bool enabled) {
164 if (mExternalControl) {
165 ALOGW("Enabling/disabling while the vibrator is externally controlled is unsupported!");
166 return Status::UNSUPPORTED_OPERATION;
167 } else {
168 ALOGI("Enabled: %s -> %s\n", mEnabled ? "true" : "false", enabled ? "true" : "false");
Harpreet \"Eli\" Sangha714220e2019-09-27 19:01:25 +0900169 if (mEnabled && !enabled) {
170 if (auto callback = mCallback) {
171 mCallback = nullptr;
172 if (auto ret = callback->onComplete(); !ret.isOk()) {
173 ALOGE("Failed completion callback: %s", ret.description().c_str());
174 }
175 }
176 }
Harpreet "Eli" Sanghae8631242019-01-31 15:43:36 +0900177 mEnabled = enabled;
178 return Status::OK;
179 }
180}
181
182Status Vibrator::activate(uint32_t ms) {
183 std::lock_guard<std::mutex> lock{mMutex};
184 Status status = Status::OK;
185
186 if (ms > 0) {
187 status = enable(true);
188 if (status != Status::OK) {
189 return status;
190 }
191 }
192
193 itimerspec ts{};
194 ts.it_value.tv_sec = ms / MS_PER_S;
195 ts.it_value.tv_nsec = ms % MS_PER_S * NS_PER_MS;
196
197 if (timer_settime(mTimer, 0, &ts, nullptr) < 0) {
198 ALOGE("Can not set timer!");
199 status = Status::UNKNOWN_ERROR;
200 }
201
202 if ((status != Status::OK) || !ms) {
203 Status _status;
204
205 _status = enable(false);
206
207 if (status == Status::OK) {
208 status = _status;
209 }
210 }
211
212 return status;
213}
214
215void Vibrator::timeout() {
216 std::lock_guard<std::mutex> lock{mMutex};
217 itimerspec ts{};
218
219 if (timer_gettime(mTimer, &ts) < 0) {
220 ALOGE("Can not read timer!");
221 }
222
223 if (ts.it_value.tv_sec == 0 && ts.it_value.tv_nsec == 0) {
224 enable(false);
225 }
226}
227
228void Vibrator::timerCallback(union sigval sigval) {
229 static_cast<Vibrator*>(sigval.sival_ptr)->timeout();
230}
231
Harpreet "Eli" Sanghaa2443212019-03-25 14:08:59 +0900232const std::string Vibrator::effectToName(Effect effect) {
233 return toString(effect);
Harpreet "Eli" Sanghae8631242019-01-31 15:43:36 +0900234}
235
Harpreet "Eli" Sangha79755bc2019-03-25 16:42:28 +0900236uint32_t Vibrator::effectToMs(Effect effect, Status* status) {
Harpreet "Eli" Sanghae8631242019-01-31 15:43:36 +0900237 switch (effect) {
238 case Effect::CLICK:
239 return 10;
240 case Effect::DOUBLE_CLICK:
241 return 15;
242 case Effect::TICK:
Michael Wrighta4c94fd2019-03-21 20:48:34 +0000243 case Effect::TEXTURE_TICK:
Harpreet "Eli" Sanghae8631242019-01-31 15:43:36 +0900244 return 5;
245 case Effect::THUD:
246 return 5;
247 case Effect::POP:
248 return 5;
249 case Effect::HEAVY_CLICK:
250 return 10;
251 case Effect::RINGTONE_1:
252 return 30000;
253 case Effect::RINGTONE_2:
254 return 30000;
255 case Effect::RINGTONE_3:
256 return 30000;
257 case Effect::RINGTONE_4:
258 return 30000;
259 case Effect::RINGTONE_5:
260 return 30000;
261 case Effect::RINGTONE_6:
262 return 30000;
263 case Effect::RINGTONE_7:
264 return 30000;
265 case Effect::RINGTONE_8:
266 return 30000;
267 case Effect::RINGTONE_9:
268 return 30000;
269 case Effect::RINGTONE_10:
270 return 30000;
271 case Effect::RINGTONE_11:
272 return 30000;
273 case Effect::RINGTONE_12:
274 return 30000;
275 case Effect::RINGTONE_13:
276 return 30000;
277 case Effect::RINGTONE_14:
278 return 30000;
279 case Effect::RINGTONE_15:
280 return 30000;
281 }
Harpreet "Eli" Sangha79755bc2019-03-25 16:42:28 +0900282 *status = Status::UNSUPPORTED_OPERATION;
283 return 0;
Harpreet "Eli" Sanghae8631242019-01-31 15:43:36 +0900284}
285
Harpreet "Eli" Sangha79755bc2019-03-25 16:42:28 +0900286uint8_t Vibrator::strengthToAmplitude(EffectStrength strength, Status* status) {
Harpreet "Eli" Sanghae8631242019-01-31 15:43:36 +0900287 switch (strength) {
288 case EffectStrength::LIGHT:
289 return 128;
290 case EffectStrength::MEDIUM:
291 return 192;
292 case EffectStrength::STRONG:
293 return 255;
294 }
Harpreet "Eli" Sangha79755bc2019-03-25 16:42:28 +0900295 *status = Status::UNSUPPORTED_OPERATION;
296 return 0;
Harpreet "Eli" Sanghae8631242019-01-31 15:43:36 +0900297}
298
299} // namespace implementation
Harpreet \"Eli\" Sangha714220e2019-09-27 19:01:25 +0900300} // namespace V1_4
Harpreet "Eli" Sanghae8631242019-01-31 15:43:36 +0900301} // namespace vibrator
302} // namespace hardware
303} // namespace android