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 (at) 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 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 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
