1 /* 2 * Copyright (C) 2023 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 android.car.hardware.property; 18 19 import static android.car.feature.Flags.FLAG_ANDROID_VIC_VEHICLE_PROPERTIES; 20 21 import android.annotation.FlaggedApi; 22 import android.annotation.IntDef; 23 import android.annotation.NonNull; 24 import android.annotation.SystemApi; 25 26 import com.android.car.internal.util.ConstantDebugUtils; 27 28 import java.lang.annotation.Retention; 29 import java.lang.annotation.RetentionPolicy; 30 31 /** 32 * Used to enumerate the various impact sensor locations on the car. 33 * 34 * @hide 35 */ 36 @FlaggedApi(FLAG_ANDROID_VIC_VEHICLE_PROPERTIES) 37 @SystemApi 38 public final class ImpactSensorLocation { 39 /** 40 * Other impact sensor location. Ideally this should never be used. 41 */ 42 public static final int OTHER = 0x01; 43 /** 44 * Frontal impact sensor. Used for the sensor that detects head-on impact. 45 */ 46 public static final int FRONT = 0x02; 47 /** 48 * Front-left door side impact sensor. Used for the sensor that detects collisions from the 49 * side, in particular on the front-left door. 50 */ 51 public static final int FRONT_LEFT_DOOR_SIDE = 0x04; 52 /** 53 * Front-right door side impact sensor. Used for the sensor that detects collisions from the 54 * side, in particular on the front-right door. 55 */ 56 public static final int FRONT_RIGHT_DOOR_SIDE = 0x08; 57 /** 58 * Rear-left door side impact sensor. Used for the sensor that detects collisions from the 59 * side, in particular on the rear-left door. 60 */ 61 public static final int REAR_LEFT_DOOR_SIDE = 0x10; 62 /** 63 * Rear-right door side impact sensor. Used for the sensor that detects collisions from the 64 * side, in particular on the rear-right door. 65 */ 66 public static final int REAR_RIGHT_DOOR_SIDE = 0x20; 67 /** 68 * Rear impact sensor. Used for the sensor that detects collisions from the rear. 69 */ 70 public static final int REAR = 0x40; 71 ImpactSensorLocation()72 private ImpactSensorLocation() {} 73 74 /** 75 * Returns a user-friendly representation of {@code ImpactSensorLocation}. 76 */ 77 @NonNull toString(@mpactSensorLocationInt int impactSensorLocation)78 public static String toString(@ImpactSensorLocationInt int impactSensorLocation) { 79 String impactSensorLocationString = ConstantDebugUtils.toName( 80 ImpactSensorLocation.class, impactSensorLocation); 81 return (impactSensorLocationString != null) 82 ? impactSensorLocationString 83 : "0x" + Integer.toHexString(impactSensorLocation); 84 } 85 86 /** @hide */ 87 @IntDef({OTHER, FRONT, FRONT_LEFT_DOOR_SIDE, FRONT_RIGHT_DOOR_SIDE, REAR_LEFT_DOOR_SIDE, 88 REAR_RIGHT_DOOR_SIDE, REAR}) 89 @Retention(RetentionPolicy.SOURCE) 90 public @interface ImpactSensorLocationInt {} 91 } 92