1 /* 2 * Copyright (C) 2016 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_V1_0_GnssMeasurement_H_ 18 #define android_hardware_gnss_V1_0_GnssMeasurement_H_ 19 20 #include <ThreadCreationWrapper.h> 21 #include <android/hardware/gnss/1.0/IGnssMeasurement.h> 22 #include <hidl/Status.h> 23 #include <hardware/gps.h> 24 25 namespace android { 26 namespace hardware { 27 namespace gnss { 28 namespace V1_0 { 29 namespace implementation { 30 31 using ::android::hardware::gnss::V1_0::IGnssMeasurement; 32 using ::android::hardware::gnss::V1_0::IGnssMeasurementCallback; 33 using ::android::hardware::Return; 34 using ::android::hardware::Void; 35 using ::android::hardware::hidl_vec; 36 using ::android::hardware::hidl_string; 37 using ::android::sp; 38 39 using LegacyGnssData = ::GnssData; 40 41 /* 42 * Extended interface for GNSS Measurements support. Also contains wrapper methods to allow methods 43 * from IGnssMeasurementCallback interface to be passed into the conventional implementation of the 44 * GNSS HAL. 45 */ 46 struct GnssMeasurement : public IGnssMeasurement { 47 GnssMeasurement(const GpsMeasurementInterface* gpsMeasurementIface); 48 49 /* 50 * Methods from ::android::hardware::gnss::V1_0::IGnssMeasurement follow. 51 * These declarations were generated from IGnssMeasurement.hal. 52 */ 53 Return<GnssMeasurementStatus> setCallback( 54 const sp<IGnssMeasurementCallback>& callback) override; 55 Return<void> close() override; 56 57 /* 58 * Callback methods to be passed into the conventional GNSS HAL by the default 59 * implementation. These methods are not part of the IGnssMeasurement base class. 60 */ 61 static void gnssMeasurementCb(LegacyGnssData* data); 62 /* 63 * Deprecated callback added for backward compatibity for devices that do 64 * not support GnssData measurements. 65 */ 66 static void gpsMeasurementCb(GpsData* data); 67 68 /* 69 * Holds function pointers to the callback methods. 70 */ 71 static GpsMeasurementCallbacks sGnssMeasurementCbs; 72 73 private: 74 const GpsMeasurementInterface* mGnssMeasureIface = nullptr; 75 static sp<IGnssMeasurementCallback> sGnssMeasureCbIface; 76 }; 77 78 } // namespace implementation 79 } // namespace V1_0 80 } // namespace gnss 81 } // namespace hardware 82 } // namespace android 83 84 #endif // android_hardware_gnss_V1_0_GnssMeasurement_H_ 85