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 17 package com.android.car; 18 19 import android.car.hardware.CarSensorEvent; 20 import android.hardware.automotive.vehicle.V2_0.VehiclePropValue; 21 22 import java.util.List; 23 24 //TODO add memory pool and recycling 25 public class CarSensorEventFactory { 26 createBooleanEvent(int sensorType, long timestamp, boolean value)27 public static CarSensorEvent createBooleanEvent(int sensorType, long timestamp, 28 boolean value) { 29 CarSensorEvent event = new CarSensorEvent(sensorType, timestamp, 0, 1, 0); 30 event.intValues[0] = value ? 1 : 0; 31 return event; 32 } 33 createIntEvent(int sensorType, long timestamp, int value)34 public static CarSensorEvent createIntEvent(int sensorType, long timestamp, int value) { 35 CarSensorEvent event = new CarSensorEvent(sensorType, timestamp, 0, 1, 0); 36 event.intValues[0] = value; 37 return event; 38 } 39 40 /** 41 * Create int64 vector event 42 * @param sensorType 43 * @param timestamp 44 * @param value 45 * 46 * @return CarSensorEvent 47 */ createInt64VecEvent(int sensorType, long timestamp, List<Long> value)48 public static CarSensorEvent createInt64VecEvent(int sensorType, long timestamp, 49 List<Long> value) { 50 CarSensorEvent event = new CarSensorEvent(sensorType, timestamp, 0, 0, value.size()); 51 for (int i = 0; i < value.size(); i++) { 52 event.longValues[i] = value.get(i); 53 } 54 return event; 55 } 56 createFloatEvent(int sensorType, long timestamp, float value)57 public static CarSensorEvent createFloatEvent(int sensorType, long timestamp, float value) { 58 CarSensorEvent event = new CarSensorEvent(sensorType, timestamp, 1, 0, 0); 59 event.floatValues[0] = value; 60 return event; 61 } 62 createMixedEvent(int sensorType, long timestamp, VehiclePropValue v)63 public static CarSensorEvent createMixedEvent(int sensorType, long timestamp, 64 VehiclePropValue v) { 65 int numFloats = v.value.floatValues.size(); 66 int numInts = v.value.int32Values.size(); 67 int numLongs = v.value.int64Values.size(); 68 CarSensorEvent event = new CarSensorEvent(sensorType, timestamp, numFloats, numInts, 69 numLongs); 70 // Copy arraylist elements into final arrays 71 for (int i=0; i<numFloats; i++) { 72 event.floatValues[i] = v.value.floatValues.get(i); 73 } 74 for (int i=0; i<numInts; i++) { 75 event.intValues[i] = v.value.int32Values.get(i); 76 } 77 for (int i=0; i<numLongs; i++) { 78 event.longValues[i] = v.value.int64Values.get(i); 79 } 80 return event; 81 } 82 returnToPool(CarSensorEvent event)83 public static void returnToPool(CarSensorEvent event) { 84 //TODO 85 } 86 } 87