001// Copyright (c) FIRST and other WPILib contributors. 002// Open Source Software; you can modify and/or share it under the terms of 003// the WPILib BSD license file in the root directory of this project. 004 005package edu.wpi.first.math.kinematics.struct; 006 007import edu.wpi.first.math.kinematics.DifferentialDriveKinematics; 008import edu.wpi.first.util.struct.Struct; 009import java.nio.ByteBuffer; 010 011public class DifferentialDriveKinematicsStruct implements Struct<DifferentialDriveKinematics> { 012 @Override 013 public Class<DifferentialDriveKinematics> getTypeClass() { 014 return DifferentialDriveKinematics.class; 015 } 016 017 @Override 018 public String getTypeString() { 019 return "struct:DifferentialDriveKinematics"; 020 } 021 022 @Override 023 public int getSize() { 024 return kSizeDouble; 025 } 026 027 @Override 028 public String getSchema() { 029 return "double track_width"; 030 } 031 032 @Override 033 public DifferentialDriveKinematics unpack(ByteBuffer bb) { 034 double trackWidth = bb.getDouble(); 035 return new DifferentialDriveKinematics(trackWidth); 036 } 037 038 @Override 039 public void pack(ByteBuffer bb, DifferentialDriveKinematics value) { 040 bb.putDouble(value.trackWidthMeters); 041 } 042}