1 /* 2 * Copyright (C) 2018 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 #ifndef ANDROID_HARDWARE_GNSS_V2_0_GNSSMEASUREMENT_H 18 #define ANDROID_HARDWARE_GNSS_V2_0_GNSSMEASUREMENT_H 19 20 #include <android/hardware/gnss/2.0/IGnssMeasurement.h> 21 #include <hidl/MQDescriptor.h> 22 #include <hidl/Status.h> 23 #include <atomic> 24 #include <mutex> 25 #include <thread> 26 27 namespace android { 28 namespace hardware { 29 namespace gnss { 30 namespace V2_0 { 31 namespace implementation { 32 33 using ::android::sp; 34 using ::android::hardware::hidl_array; 35 using ::android::hardware::hidl_memory; 36 using ::android::hardware::hidl_string; 37 using ::android::hardware::hidl_vec; 38 using ::android::hardware::Return; 39 using ::android::hardware::Void; 40 41 using GnssData = V2_0::IGnssMeasurementCallback::GnssData; 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 private: 60 void start(); 61 void stop(); 62 void reportMeasurement(const GnssData&); 63 64 // Guarded by mMutex 65 static sp<IGnssMeasurementCallback> sCallback; 66 67 std::atomic<long> mMinIntervalMillis; 68 std::atomic<bool> mIsActive; 69 std::thread mThread; 70 71 // Synchronization lock for sCallback 72 mutable std::mutex mMutex; 73 }; 74 75 } // namespace implementation 76 } // namespace V2_0 77 } // namespace gnss 78 } // namespace hardware 79 } // namespace android 80 81 #endif // ANDROID_HARDWARE_GNSS_V2_0_GNSSMEASUREMENT_H 82