| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.android.car.hal; |
| |
| import static com.android.car.CarServiceUtils.toByteArray; |
| |
| import static java.lang.Integer.toHexString; |
| |
| import android.car.VehicleAreaType; |
| import android.car.hardware.CarPropertyConfig; |
| import android.car.hardware.CarPropertyValue; |
| import android.hardware.automotive.vehicle.V2_0.VehicleArea; |
| import android.hardware.automotive.vehicle.V2_0.VehicleAreaConfig; |
| import android.hardware.automotive.vehicle.V2_0.VehiclePropConfig; |
| import android.hardware.automotive.vehicle.V2_0.VehiclePropValue; |
| import android.hardware.automotive.vehicle.V2_0.VehiclePropertyType; |
| |
| import java.util.Collections; |
| import java.util.List; |
| |
| /** |
| * Utility functions to work with {@link CarPropertyConfig} and {@link CarPropertyValue} |
| */ |
| /*package*/ final class CarPropertyUtils { |
| |
| /* Utility class has no public constructor */ |
| private CarPropertyUtils() {} |
| |
| /** Converts {@link VehiclePropValue} to {@link CarPropertyValue} */ |
| static CarPropertyValue<?> toCarPropertyValue( |
| VehiclePropValue halValue, int propertyId) { |
| Class<?> clazz = getJavaClass(halValue.prop & VehiclePropertyType.MASK); |
| int areaId = halValue.areaId; |
| int status = halValue.status; |
| long timestamp = halValue.timestamp; |
| VehiclePropValue.RawValue v = halValue.value; |
| |
| if (Boolean.class == clazz) { |
| return new CarPropertyValue<>(propertyId, areaId, status, timestamp, |
| v.int32Values.get(0) == 1); |
| } else if (Boolean[].class == clazz) { |
| Boolean[] values = new Boolean[v.int32Values.size()]; |
| for (int i = 0; i < values.length; i++) { |
| values[i] = v.int32Values.get(i) == 1; |
| } |
| return new CarPropertyValue<>(propertyId, areaId, status, timestamp, values); |
| } else if (String.class == clazz) { |
| return new CarPropertyValue<>(propertyId, areaId, status, timestamp, v.stringValue); |
| } else if (byte[].class == clazz) { |
| byte[] halData = toByteArray(v.bytes); |
| return new CarPropertyValue<>(propertyId, areaId, status, timestamp, halData); |
| } else if (Long[].class == clazz) { |
| Long[] values = new Long[v.int64Values.size()]; |
| for (int i = 0; i < values.length; i++) { |
| values[i] = v.int64Values.get(i); |
| } |
| return new CarPropertyValue<>(propertyId, areaId, status, timestamp, values); |
| } else /* All list properties */ { |
| Object[] values = getRawValueList(clazz, v).toArray(); |
| return new CarPropertyValue<>(propertyId, areaId, status, timestamp, |
| values.length == 1 ? values[0] : values); |
| } |
| } |
| |
| /** Converts {@link CarPropertyValue} to {@link VehiclePropValue} */ |
| static VehiclePropValue toVehiclePropValue(CarPropertyValue carProp, int halPropId) { |
| VehiclePropValue vehicleProp = new VehiclePropValue(); |
| vehicleProp.prop = halPropId; |
| vehicleProp.areaId = carProp.getAreaId(); |
| VehiclePropValue.RawValue v = vehicleProp.value; |
| |
| Object o = carProp.getValue(); |
| |
| if (o instanceof Boolean) { |
| v.int32Values.add(((Boolean) o) ? 1 : 0); |
| } else if (o instanceof Boolean[]) { |
| for (Boolean b : (Boolean[]) o) { |
| v.int32Values.add(((Boolean) o) ? 1 : 0); |
| } |
| } else if (o instanceof Integer) { |
| v.int32Values.add((Integer) o); |
| } else if (o instanceof Integer[]) { |
| Collections.addAll(v.int32Values, (Integer[]) o); |
| } else if (o instanceof Float) { |
| v.floatValues.add((Float) o); |
| } else if (o instanceof Float[]) { |
| Collections.addAll(v.floatValues, (Float[]) o); |
| } else if (o instanceof Long) { |
| v.int64Values.add((Long) o); |
| } else if (o instanceof Long[]) { |
| Collections.addAll(v.int64Values, (Long[]) o); |
| } else if (o instanceof String) { |
| v.stringValue = (String) o; |
| } else if (o instanceof byte[]) { |
| for (byte b : (byte[]) o) { |
| v.bytes.add(b); |
| } |
| } else { |
| throw new IllegalArgumentException("Unexpected type in: " + carProp); |
| } |
| |
| return vehicleProp; |
| } |
| |
| /** |
| * Converts {@link VehiclePropConfig} to {@link CarPropertyConfig}. |
| */ |
| static CarPropertyConfig<?> toCarPropertyConfig(VehiclePropConfig p, int propertyId) { |
| int areaType = getVehicleAreaType(p.prop & VehicleArea.MASK); |
| // Create list of areaIds for this property |
| int[] areas = new int[p.areaConfigs.size()]; |
| for (int i=0; i<p.areaConfigs.size(); i++) { |
| areas[i] = p.areaConfigs.get(i).areaId; |
| } |
| |
| Class<?> clazz = getJavaClass(p.prop & VehiclePropertyType.MASK); |
| if (p.areaConfigs.isEmpty()) { |
| return CarPropertyConfig |
| .newBuilder(clazz, propertyId, areaType, /* capacity */ 1) |
| .addAreas(areas) |
| .setAccess(p.access) |
| .setChangeMode(p.changeMode) |
| .setConfigArray(p.configArray) |
| .setConfigString(p.configString) |
| .setMaxSampleRate(p.maxSampleRate) |
| .setMinSampleRate(p.minSampleRate) |
| .build(); |
| } else { |
| CarPropertyConfig.Builder builder = CarPropertyConfig |
| .newBuilder(clazz, propertyId, areaType, /* capacity */ p.areaConfigs.size()) |
| .setAccess(p.access) |
| .setChangeMode(p.changeMode) |
| .setConfigArray(p.configArray) |
| .setConfigString(p.configString) |
| .setMaxSampleRate(p.maxSampleRate) |
| .setMinSampleRate(p.minSampleRate); |
| |
| for (VehicleAreaConfig area : p.areaConfigs) { |
| if (classMatched(Integer.class, clazz)) { |
| builder.addAreaConfig(area.areaId, area.minInt32Value, area.maxInt32Value); |
| } else if (classMatched(Float.class, clazz)) { |
| builder.addAreaConfig(area.areaId, area.minFloatValue, area.maxFloatValue); |
| } else if (classMatched(Long.class, clazz)) { |
| builder.addAreaConfig(area.areaId, area.minInt64Value, area.maxInt64Value); |
| } else if (classMatched(Boolean.class, clazz) || |
| classMatched(Float[].class, clazz) || |
| classMatched(Integer[].class, clazz) || |
| classMatched(Long[].class, clazz) || |
| classMatched(String.class, clazz) || |
| classMatched(byte[].class, clazz) || |
| classMatched(Object.class, clazz)) { |
| // These property types do not have min/max values |
| builder.addArea(area.areaId); |
| } else { |
| throw new IllegalArgumentException("Unexpected type: " + clazz); |
| } |
| } |
| |
| return builder.build(); |
| } |
| } |
| |
| private static @VehicleAreaType.VehicleAreaTypeValue int getVehicleAreaType(int halArea) { |
| switch (halArea) { |
| case VehicleArea.GLOBAL: |
| return VehicleAreaType.VEHICLE_AREA_TYPE_GLOBAL; |
| case VehicleArea.SEAT: |
| return VehicleAreaType.VEHICLE_AREA_TYPE_SEAT; |
| case VehicleArea.DOOR: |
| return VehicleAreaType.VEHICLE_AREA_TYPE_DOOR; |
| case VehicleArea.WINDOW: |
| return VehicleAreaType.VEHICLE_AREA_TYPE_WINDOW; |
| case VehicleArea.MIRROR: |
| return VehicleAreaType.VEHICLE_AREA_TYPE_MIRROR; |
| case VehicleArea.WHEEL: |
| return VehicleAreaType.VEHICLE_AREA_TYPE_WHEEL; |
| default: |
| throw new RuntimeException("Unsupported area type " + halArea); |
| } |
| } |
| |
| private static Class<?> getJavaClass(int halType) { |
| switch (halType) { |
| case VehiclePropertyType.BOOLEAN: |
| return Boolean.class; |
| case VehiclePropertyType.FLOAT: |
| return Float.class; |
| case VehiclePropertyType.INT32: |
| return Integer.class; |
| case VehiclePropertyType.INT64: |
| return Long.class; |
| case VehiclePropertyType.FLOAT_VEC: |
| return Float[].class; |
| case VehiclePropertyType.INT32_VEC: |
| return Integer[].class; |
| case VehiclePropertyType.INT64_VEC: |
| return Long[].class; |
| case VehiclePropertyType.STRING: |
| return String.class; |
| case VehiclePropertyType.BYTES: |
| return byte[].class; |
| case VehiclePropertyType.MIXED: |
| return Object.class; |
| default: |
| throw new IllegalArgumentException("Unexpected type: " + toHexString(halType)); |
| } |
| } |
| |
| private static List getRawValueList(Class<?> clazz, VehiclePropValue.RawValue value) { |
| if (classMatched(Float.class, clazz) || classMatched(Float[].class, clazz)) { |
| return value.floatValues; |
| } else if (classMatched(Integer.class, clazz) || classMatched(Integer[].class, clazz)) { |
| return value.int32Values; |
| } else if (classMatched(Long.class, clazz) || classMatched(Long[].class, clazz)) { |
| return value.int64Values; |
| } else { |
| throw new IllegalArgumentException("Unexpected type: " + clazz); |
| } |
| } |
| |
| private static boolean classMatched(Class<?> class1, Class<?> class2) { |
| return class1 == class2 || class1.getComponentType() == class2; |
| } |
| } |