1 /* 2 * Copyright (C) 2017 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.obd2.commands; 18 19 import com.android.car.obd2.IntegerArrayStream; 20 import com.android.car.obd2.Obd2Command; 21 import java.util.Optional; 22 23 public abstract class FuelTrimCommand implements Obd2Command.OutputSemanticHandler<Float> { 24 @Override consume(IntegerArrayStream data)25 public Optional<Float> consume(IntegerArrayStream data) { 26 return data.hasAtLeast( 27 1, 28 theData -> Optional.of(3 * theData.consume() / 1.28f - 100), 29 theData -> Optional.<Float>empty()); 30 } 31 32 public static class Bank1ShortTermFuelTrimCommand extends FuelTrimCommand { 33 @Override getPid()34 public int getPid() { 35 return 0x06; 36 } 37 } 38 39 public static class Bank1LongTermFuelTrimCommand extends FuelTrimCommand { 40 @Override getPid()41 public int getPid() { 42 return 0x07; 43 } 44 } 45 46 public static class Bank2ShortTermFuelTrimCommand extends FuelTrimCommand { 47 @Override getPid()48 public int getPid() { 49 return 0x08; 50 } 51 } 52 53 public static class Bank2LongTermFuelTrimCommand extends FuelTrimCommand { 54 @Override getPid()55 public int getPid() { 56 return 0x09; 57 } 58 } 59 } 60