1 /* 2 * Copyright (C) 2020 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_1_GNSSANTENNAINFO_H 18 #define ANDROID_HARDWARE_GNSS_V2_1_GNSSANTENNAINFO_H 19 20 #include <android/hardware/gnss/2.1/IGnssAntennaInfo.h> 21 22 #include <mutex> 23 #include <thread> 24 25 namespace android { 26 namespace hardware { 27 namespace gnss { 28 namespace V2_1 { 29 namespace implementation { 30 31 using ::android::sp; 32 using ::android::hardware::Return; 33 using ::android::hardware::Void; 34 35 struct GnssAntennaInfo : public IGnssAntennaInfo { 36 GnssAntennaInfo(); 37 ~GnssAntennaInfo(); 38 39 // Methods from ::android::hardware::gnss::V2_1::IGnssAntennaInfo follow. 40 Return<GnssAntennaInfoStatus> setCallback( 41 const sp<IGnssAntennaInfoCallback>& callback) override; 42 Return<void> close() override; 43 44 private: 45 void start(); 46 void stop(); 47 void reportAntennaInfo( 48 const hidl_vec<IGnssAntennaInfoCallback::GnssAntennaInfo>& antennaInfo) const; 49 50 // Guarded by mMutex 51 static sp<IGnssAntennaInfoCallback> sCallback; 52 53 std::atomic<long> mMinIntervalMillis; 54 std::atomic<bool> mIsActive; 55 std::thread mThread; 56 57 // Synchronization lock for sCallback 58 mutable std::mutex mMutex; 59 }; 60 61 } // namespace implementation 62 } // namespace V2_1 63 } // namespace gnss 64 } // namespace hardware 65 } // namespace android 66 67 #endif // ANDROID_HARDWARE_GNSS_V2_1_GNSSCONFIGURATION_H 68