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_GnssXtra_H_ 18 #define android_hardware_gnss_V1_0_GnssXtra_H_ 19 20 #include <ThreadCreationWrapper.h> 21 #include <android/hardware/gnss/1.0/IGnssXtra.h> 22 #include <hardware/gps.h> 23 #include <hidl/Status.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::IGnssXtra; 32 using ::android::hardware::gnss::V1_0::IGnssXtraCallback; 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 /* 40 * This interface is used by the GNSS HAL to request the framework to download XTRA data. 41 * Also contains wrapper methods to allow methods from IGnssXtraCallback interface to be passed 42 * into the conventional implementation of the GNSS HAL. 43 */ 44 struct GnssXtra : public IGnssXtra { 45 GnssXtra(const GpsXtraInterface* xtraIface); 46 ~GnssXtra(); 47 48 /* 49 * Methods from ::android::hardware::gnss::V1_0::IGnssXtra follow. 50 * These declarations were generated from IGnssXtra.hal. 51 */ 52 Return<bool> setCallback(const sp<IGnssXtraCallback>& callback) override; 53 Return<bool> injectXtraData(const hidl_string& xtraData) override; 54 55 /* 56 * Callback methods to be passed into the conventional GNSS HAL by the default implementation. 57 * These methods are not part of the IGnssXtra base class. 58 */ 59 static pthread_t createThreadCb(const char* name, void (*start)(void*), void* arg); 60 static void gnssXtraDownloadRequestCb(); 61 62 /* 63 * Holds function pointers to the callback methods. 64 */ 65 static GpsXtraCallbacks sGnssXtraCb; 66 67 private: 68 const GpsXtraInterface* mGnssXtraIface = nullptr; 69 static sp<IGnssXtraCallback> sGnssXtraCbIface; 70 static std::vector<std::unique_ptr<ThreadFuncArgs>> sThreadFuncArgsList; 71 static bool sInterfaceExists; 72 }; 73 74 } // namespace implementation 75 } // namespace V1_0 76 } // namespace gnss 77 } // namespace hardware 78 } // namespace android 79 80 #endif // android_hardware_gnss_V1_0_GnssXtra_H_ 81
