1 /*
2 * Copyright (C) 2017 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 #define LOG_TAG "android.hardware.vibrator@1.0-service.marlin"
17
18 #include <android/hardware/vibrator/1.0/IVibrator.h>
19 #include <hidl/HidlSupport.h>
20 #include <hidl/HidlTransportSupport.h>
21 #include <utils/Errors.h>
22 #include <utils/StrongPointer.h>
23
24 #include "Vibrator.h"
25
26 using android::hardware::configureRpcThreadpool;
27 using android::hardware::joinRpcThreadpool;
28 using android::hardware::vibrator::V1_0::IVibrator;
29 using android::hardware::vibrator::V1_0::implementation::Vibrator;
30 using namespace android;
31
32 static const char *ENABLE_PATH = "/sys/class/timed_output/vibrator/enable";
33 static const char *AMPLITUDE_PATH = "/sys/class/timed_output/vibrator/voltage_level";
34
registerVibratorService()35 status_t registerVibratorService() {
36 std::ofstream enable{ENABLE_PATH};
37 if (!enable) {
38 int error = errno;
39 ALOGE("Failed to open %s (%d): %s", ENABLE_PATH, error, strerror(error));
40 return -error;
41 }
42
43 std::ofstream amplitude{AMPLITUDE_PATH};
44 if (!amplitude) {
45 int error = errno;
46 ALOGE("Failed to open %s (%d): %s", AMPLITUDE_PATH, error, strerror(error));
47 return -error;
48 }
49
50 sp<IVibrator> vibrator = new Vibrator(std::move(enable), std::move(amplitude));
51 (void) vibrator->registerAsService(); // suppress unused-result warning
52 return OK;
53 }
54
main()55 int main() {
56 configureRpcThreadpool(1, true);
57 status_t status = registerVibratorService();
58
59 if (status != OK) {
60 return status;
61 }
62
63 joinRpcThreadpool();
64 }
65