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_automotive_vehicle_V2_0_VehicleUtils_H_ 18 #define android_hardware_automotive_vehicle_V2_0_VehicleUtils_H_ 19 20 #include <memory> 21 22 #include <hidl/HidlSupport.h> 23 24 #include <android/hardware/automotive/vehicle/2.0/types.h> 25 26 namespace android { 27 namespace hardware { 28 namespace automotive { 29 namespace vehicle { 30 namespace V2_0 { 31 32 /** Represents all supported areas for a property. Can be used is */ 33 constexpr int32_t kAllSupportedAreas = 0; 34 35 /** Returns underlying (integer) value for given enum. */ 36 template<typename ENUM> 37 inline constexpr typename std::underlying_type<ENUM>::type toInt( 38 ENUM const value) { 39 return static_cast<typename std::underlying_type<ENUM>::type>(value); 40 } 41 42 inline constexpr VehiclePropertyType getPropType(int32_t prop) { 43 return static_cast<VehiclePropertyType>( 44 prop & toInt(VehiclePropertyType::MASK)); 45 } 46 47 inline constexpr VehiclePropertyGroup getPropGroup(int32_t prop) { 48 return static_cast<VehiclePropertyGroup>( 49 prop & toInt(VehiclePropertyGroup::MASK)); 50 } 51 52 inline constexpr VehicleArea getPropArea(int32_t prop) { 53 return static_cast<VehicleArea>(prop & toInt(VehicleArea::MASK)); 54 } 55 56 inline constexpr bool isGlobalProp(int32_t prop) { 57 return getPropArea(prop) == VehicleArea::GLOBAL; 58 } 59 60 inline constexpr bool isSystemProperty(int32_t prop) { 61 return VehiclePropertyGroup::SYSTEM == getPropGroup(prop); 62 } 63 64 std::unique_ptr<VehiclePropValue> createVehiclePropValue( 65 VehiclePropertyType type, size_t vecSize); 66 67 size_t getVehicleRawValueVectorSize( 68 const VehiclePropValue::RawValue& value, VehiclePropertyType type); 69 70 void copyVehicleRawValue(VehiclePropValue::RawValue* dest, 71 const VehiclePropValue::RawValue& src); 72 73 template<typename T> 74 void shallowCopyHidlVec(hidl_vec<T>* dest, const hidl_vec<T>& src); 75 76 void shallowCopyHidlStr(hidl_string* dest, const hidl_string& src); 77 78 void shallowCopy(VehiclePropValue* dest, const VehiclePropValue& src); 79 80 } // namespace V2_0 81 } // namespace vehicle 82 } // namespace automotive 83 } // namespace hardware 84 } // namespace android 85 86 #endif // android_hardware_automotive_vehicle_V2_0_VehicleUtils_H_ 87