1 /* 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 #pragma once 18 19 #include <android/hardware/gnss/2.1/IGnssMeasurement.h> 20 #include <hidl/MQDescriptor.h> 21 #include <hidl/Status.h> 22 #include <atomic> 23 #include <mutex> 24 #include <thread> 25 26 namespace android { 27 namespace hardware { 28 namespace gnss { 29 namespace V2_1 { 30 namespace implementation { 31 32 using GnssDataV2_1 = V2_1::IGnssMeasurementCallback::GnssData; 33 using GnssDataV2_0 = V2_0::IGnssMeasurementCallback::GnssData; 34 35 using ::android::sp; 36 using ::android::hardware::hidl_array; 37 using ::android::hardware::hidl_memory; 38 using ::android::hardware::hidl_string; 39 using ::android::hardware::hidl_vec; 40 using ::android::hardware::Return; 41 using ::android::hardware::Void; 42 43 struct GnssMeasurement : public IGnssMeasurement { 44 GnssMeasurement(); 45 ~GnssMeasurement(); 46 // Methods from V1_0::IGnssMeasurement follow. 47 Return<V1_0::IGnssMeasurement::GnssMeasurementStatus> setCallback( 48 const sp<V1_0::IGnssMeasurementCallback>& callback) override; 49 Return<void> close() override; 50 51 // Methods from V1_1::IGnssMeasurement follow. 52 Return<V1_0::IGnssMeasurement::GnssMeasurementStatus> setCallback_1_1( 53 const sp<V1_1::IGnssMeasurementCallback>& callback, bool enableFullTracking) override; 54 55 // Methods from V2_0::IGnssMeasurement follow. 56 Return<V1_0::IGnssMeasurement::GnssMeasurementStatus> setCallback_2_0( 57 const sp<V2_0::IGnssMeasurementCallback>& callback, bool enableFullTracking) override; 58 59 // Methods from V2_1::IGnssMeasurement follow. 60 Return<V1_0::IGnssMeasurement::GnssMeasurementStatus> setCallback_2_1( 61 const sp<V2_1::IGnssMeasurementCallback>& callback, bool enableFullTracking) override; 62 63 private: 64 void start(); 65 void stop(); 66 void reportMeasurement(const GnssDataV2_0&); 67 void reportMeasurement(const GnssDataV2_1&); 68 69 // Guarded by mMutex 70 static sp<V2_1::IGnssMeasurementCallback> sCallback_2_1; 71 72 // Guarded by mMutex 73 static sp<V2_0::IGnssMeasurementCallback> sCallback_2_0; 74 75 std::atomic<long> mMinIntervalMillis; 76 std::atomic<bool> mIsActive; 77 std::thread mThread; 78 79 // Synchronization lock for sCallback_2_1 and sCallback_2_0 80 mutable std::mutex mMutex; 81 }; 82 83 } // namespace implementation 84 } // namespace V2_1 85 } // namespace gnss 86 } // namespace hardware 87 } // namespace android 88