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 class RPM implements Obd2Command.OutputSemanticHandler<Integer> {
24     @Override
getPid()25     public int getPid() {
26         return 0x0C;
27     }
28 
29     @Override
consume(IntegerArrayStream data)30     public Optional<Integer> consume(IntegerArrayStream data) {
31         return data.hasAtLeast(
32                 2,
33                 theData -> Optional.of((theData.consume() * 256 + theData.consume()) / 4),
34                 theData -> Optional.<Integer>empty());
35     }
36 }
37