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, typename U = typename std::underlying_type<ENUM>::type>
toInt(ENUM const value)37 inline constexpr U toInt(ENUM const value) {
38 return static_cast<U>(value);
39 }
40
getPropType(int32_t prop)41 inline constexpr VehiclePropertyType getPropType(int32_t prop) {
42 return static_cast<VehiclePropertyType>(
43 prop & toInt(VehiclePropertyType::MASK));
44 }
45
getPropGroup(int32_t prop)46 inline constexpr VehiclePropertyGroup getPropGroup(int32_t prop) {
47 return static_cast<VehiclePropertyGroup>(
48 prop & toInt(VehiclePropertyGroup::MASK));
49 }
50
getPropArea(int32_t prop)51 inline constexpr VehicleArea getPropArea(int32_t prop) {
52 return static_cast<VehicleArea>(prop & toInt(VehicleArea::MASK));
53 }
54
isGlobalProp(int32_t prop)55 inline constexpr bool isGlobalProp(int32_t prop) {
56 return getPropArea(prop) == VehicleArea::GLOBAL;
57 }
58
isSystemProperty(int32_t prop)59 inline constexpr bool isSystemProperty(int32_t prop) {
60 return VehiclePropertyGroup::SYSTEM == getPropGroup(prop);
61 }
62
63 std::unique_ptr<VehiclePropValue> createVehiclePropValue(
64 VehiclePropertyType type, size_t vecSize);
65
66 size_t getVehicleRawValueVectorSize(
67 const VehiclePropValue::RawValue& value, VehiclePropertyType type);
68
69 void copyVehicleRawValue(VehiclePropValue::RawValue* dest,
70 const VehiclePropValue::RawValue& src);
71
72 template<typename T>
73 void shallowCopyHidlVec(hidl_vec<T>* dest, const hidl_vec<T>& src);
74
75 void shallowCopyHidlStr(hidl_string* dest, const hidl_string& src);
76
77 void shallowCopy(VehiclePropValue* dest, const VehiclePropValue& src);
78
79 } // namespace V2_0
80 } // namespace vehicle
81 } // namespace automotive
82 } // namespace hardware
83 } // namespace android
84
85 #endif // android_hardware_automotive_vehicle_V2_0_VehicleUtils_H_
86