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 java.io.PrintWriter; 19 20 /** 21 * Abstraction for a sensor, whether it be a physical on-board sensor of a vehicle, or a logical 22 * data element which wants to be represented as sensor-like to higher-level entities 23 */ 24 public interface SensorBase { 25 void init(); 26 void release(); 27 boolean isReady(); 28 int[] getSupportedSensors(); 29 boolean requestSensorStart(int sensor, int rate); 30 void requestSensorStop(int sensor); 31 void dump(PrintWriter writer); 32 } 33
