1 /* 2 * Copyright (C) 2015 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 package com.android.car.hal; 17 18 import android.car.CarInfoManager; 19 import android.hardware.automotive.vehicle.V2_0.VehiclePropConfig; 20 import android.hardware.automotive.vehicle.V2_0.VehiclePropValue; 21 import android.hardware.automotive.vehicle.V2_0.VehicleProperty; 22 import android.os.Bundle; 23 import android.util.Log; 24 25 import com.android.car.CarLog; 26 27 import java.io.PrintWriter; 28 import java.util.Collection; 29 import java.util.LinkedList; 30 import java.util.List; 31 32 public class InfoHalService extends HalServiceBase { 33 34 private final VehicleHal mHal; 35 private Bundle mBasicInfo = new Bundle(); 36 InfoHalService(VehicleHal hal)37 public InfoHalService(VehicleHal hal) { 38 mHal = hal; 39 } 40 41 @Override init()42 public void init() { 43 //nothing to do 44 } 45 46 @Override release()47 public synchronized void release() { 48 mBasicInfo = new Bundle(); 49 } 50 51 @Override takeSupportedProperties( Collection<VehiclePropConfig> allProperties)52 public synchronized Collection<VehiclePropConfig> takeSupportedProperties( 53 Collection<VehiclePropConfig> allProperties) { 54 List<VehiclePropConfig> supported = new LinkedList<>(); 55 for (VehiclePropConfig p: allProperties) { 56 switch (p.prop) { 57 case VehicleProperty.INFO_MAKE: 58 readPropertyToBundle(p.prop, CarInfoManager.BASIC_INFO_KEY_MANUFACTURER); 59 break; 60 case VehicleProperty.INFO_MODEL: 61 readPropertyToBundle(p.prop, CarInfoManager.BASIC_INFO_KEY_MODEL); 62 break; 63 case VehicleProperty.INFO_MODEL_YEAR: 64 readPropertyToBundle(p.prop, CarInfoManager.BASIC_INFO_KEY_MODEL_YEAR); 65 break; 66 default: // not supported 67 break; 68 } 69 } 70 return supported; 71 } 72 readPropertyToBundle(int prop, String key)73 private void readPropertyToBundle(int prop, String key) { 74 String value = ""; 75 try { 76 value = mHal.get(String.class, prop); 77 } catch (PropertyTimeoutException e) { 78 Log.e(CarLog.TAG_INFO, "Unable to read property", e); 79 } 80 mBasicInfo.putString(key, value); 81 } 82 83 @Override handleHalEvents(List<VehiclePropValue> values)84 public void handleHalEvents(List<VehiclePropValue> values) { 85 for (VehiclePropValue v : values) { 86 logUnexpectedEvent(v.prop); 87 } 88 } 89 90 @Override dump(PrintWriter writer)91 public void dump(PrintWriter writer) { 92 writer.println("*InfoHal*"); 93 writer.println("**BasicInfo:" + mBasicInfo); 94 } 95 getBasicInfo()96 public synchronized Bundle getBasicInfo() { 97 return mBasicInfo; 98 } 99 logUnexpectedEvent(int property)100 private void logUnexpectedEvent(int property) { 101 Log.w(CarLog.TAG_INFO, "unexpected HAL event for property 0x" + 102 Integer.toHexString(property)); 103 } 104 } 105