Merge branch 'master' into vision-april-lime

This commit is contained in:
Aarav Shah
2023-02-27 17:37:08 -07:00
committed by GitHub
14 changed files with 957 additions and 90 deletions
+9 -9
View File
@@ -47,18 +47,17 @@ public final class Constants {
public static final class PIDConstants {
public static final int SWERVE_SLOT_IDX = 0;
public static final int SWERVE_PID_LOOP_IDX = 1;
public static final Gains SWERVE_GAINS = new Gains(1.0, 0.0, 0.0, 0.0, 0, 1.0);
public static final Gains SWERVE_GAINS = new Gains(0.5, 0.0, 0.0, 0.0, 0, 1.0);
}
public static final class AutoConstants {
public static final PIDController X_CONTROLLER = new PIDController(0.0, 0.0, 0.0);
public static final PIDController Y_CONTROLLER = new PIDController(0.0, 0.0, 0.0);
public static final ProfiledPIDController THETA_CONTROLLER = new ProfiledPIDController(0.0, 0.0, 0.0,
new TrapezoidProfile.Constraints(0.0, 0.0)
);
public static final Gains X_CONTROLLER = new Gains(0.8, 0.0, 0.0);
public static final Gains Y_CONTROLLER = new Gains(0.8, 0.0, 0.0);
public static final Gains THETA_CONTROLLER = new Gains(-0.8, 0.0, 0.0);
public static final TrapezoidProfile.Constraints THETA_CONSTRAINTS = new TrapezoidProfile.Constraints(Math.PI/2, Math.PI/2); // TODO: tune
public static final double PATH_MAX_VEL = -1; // TODO: find the actual value
public static final double PATH_MAX_ACC = -1; // TODO: find the actual value
public static final double PATH_MAX_VEL = 0.3; // TODO: find the actual value
public static final double PATH_MAX_ACC = 0.3; // TODO: find the actual value
}
public static final class Conversions {
@@ -89,7 +88,8 @@ public final class Constants {
public static final double NEUTRAL_DEADBAND = 0.04; // TODO: find the actual value
}
public static final double MAX_SPEED_FEET_PER_SECOND = 10; // TODO: find the actual value
public static final double MAX_SPEED_FEET_PER_SECOND = 5; // TODO: find the actual value
public static final double MAX_ANGULAR_SPEED_FEET_PER_SECOND = 2 * 2 * Math.PI; // TODO: find the actual value
// dimensions
public static final double WIDTH = 18.5;
+11
View File
@@ -10,8 +10,13 @@ package frc4388.robot;
import java.lang.System;
import java.lang.reflect.Array;
import java.util.Arrays;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import edu.wpi.first.wpilibj.DriverStation;
import edu.wpi.first.wpilibj.TimedRobot;
import edu.wpi.first.wpilibj.smartdashboard.SmartDashboard;
import edu.wpi.first.wpilibj2.command.Command;
import edu.wpi.first.wpilibj2.command.CommandScheduler;
import frc4388.utility.RobotTime;
@@ -45,6 +50,8 @@ public class Robot extends TimedRobot {
// Instantiate our RobotContainer. This will perform all our button bindings, and put our
// autonomous chooser on the dashboard.
m_robotContainer = new RobotContainer();
SmartDashboard.putData("AutoPlayback Chooser", m_robotContainer.chooser);
}
/**
@@ -94,6 +101,7 @@ public class Robot extends TimedRobot {
*/
@Override
public void autonomousInit() {
m_robotContainer.m_robotSwerveDrive.resetGyro();
m_autonomousCommand = m_robotContainer.getAutonomousCommand();
// schedule the autonomous command (example)
@@ -112,6 +120,8 @@ public class Robot extends TimedRobot {
@Override
public void teleopInit() {
m_robotContainer.m_robotSwerveDrive.resetGyro();
// This makes sure that the autonomous stops running when
// teleop starts running. If you want the autonomous to
// continue until interrupted by another command, remove
@@ -119,6 +129,7 @@ public class Robot extends TimedRobot {
if (m_autonomousCommand != null) {
m_autonomousCommand.cancel();
}
m_robotContainer.m_robotSwerveDrive.resetGyro();
m_robotTime.startMatchTime();
}
+92 -48
View File
@@ -7,15 +7,42 @@
package frc4388.robot;
import java.util.ArrayList;
import java.util.List;
import org.opencv.objdetect.HOGDescriptor;
import edu.wpi.first.math.controller.HolonomicDriveController;
import edu.wpi.first.math.controller.PIDController;
import edu.wpi.first.math.controller.ProfiledPIDController;
import edu.wpi.first.math.geometry.Pose2d;
import edu.wpi.first.math.geometry.Rotation2d;
import edu.wpi.first.math.geometry.Translation2d;
import edu.wpi.first.math.trajectory.Trajectory;
import edu.wpi.first.math.trajectory.TrajectoryConfig;
import edu.wpi.first.math.trajectory.TrajectoryGenerator;
import edu.wpi.first.math.trajectory.Trajectory.State;
import edu.wpi.first.wpilibj.Joystick;
import edu.wpi.first.wpilibj.smartdashboard.SendableChooser;
import edu.wpi.first.wpilibj.smartdashboard.SmartDashboard;
import edu.wpi.first.wpilibj2.command.Command;
import edu.wpi.first.wpilibj2.command.InstantCommand;
import edu.wpi.first.wpilibj2.command.RunCommand;
import edu.wpi.first.wpilibj2.command.SequentialCommandGroup;
import edu.wpi.first.wpilibj2.command.SwerveControllerCommand;
import edu.wpi.first.wpilibj2.command.button.JoystickButton;
import frc4388.robot.Constants.*;
import frc4388.robot.Constants.SwerveDriveConstants.AutoConstants;
import frc4388.robot.Constants.SwerveDriveConstants.PIDConstants;
import frc4388.robot.commands.AutoBalance;
import frc4388.robot.commands.DriveWithInput;
import frc4388.robot.subsystems.SwerveDrive;
import frc4388.utility.controller.IHandController;
import frc4388.robot.commands.JoystickPlayback;
import frc4388.robot.commands.JoystickRecorder;
import frc4388.robot.commands.PlaybackChooser;
import frc4388.robot.subsystems.SwerveDrive;
import frc4388.utility.controller.DeadbandedXboxController;
import frc4388.utility.controller.XboxController;
/**
@@ -30,31 +57,60 @@ public class RobotContainer {
public final RobotMap m_robotMap = new RobotMap();
/* Subsystems */
public final SwerveDrive m_robotSwerveDrive = new SwerveDrive(m_robotMap.leftFront, m_robotMap.rightFront, m_robotMap.leftBack, m_robotMap.rightBack);//, m_robotMap.gyro);
// private final LED m_robotLED = new LED(m_robotMap.LEDController);
public final SwerveDrive m_robotSwerveDrive = new SwerveDrive(m_robotMap.leftFront,
m_robotMap.rightFront,
m_robotMap.leftBack,
m_robotMap.rightBack,
m_robotMap.gyro);
/* Controllers */
private final XboxController m_driverXbox = new XboxController(OIConstants.XBOX_DRIVER_ID);
private final XboxController m_operatorXbox = new XboxController(OIConstants.XBOX_OPERATOR_ID);
private final DeadbandedXboxController m_driverXbox = new DeadbandedXboxController(OIConstants.XBOX_DRIVER_ID);
private final DeadbandedXboxController m_operatorXbox = new DeadbandedXboxController(OIConstants.XBOX_OPERATOR_ID);
/* Autos */
public SendableChooser<Command> chooser = new SendableChooser<>();
private Command noAuto = new InstantCommand();
// private Command balance = new AutoBalance(m_robotMap.gyro, m_robotSwerveDrive);
// private Command blue1Path = new JoystickPlayback(m_robotSwerveDrive, "Blue1Path.txt");
// private Command blue1PathWithBalance = new JoystickPlayback(m_robotSwerveDrive, "Blue1Path.txt").andThen(new AutoBalance(m_robotMap.gyro, m_robotSwerveDrive));
// private Command red1Path = new JoystickPlayback(m_robotSwerveDrive, "Blue1Path.txt", -1);
// private Command red1PathWithBalance = new JoystickPlayback(m_robotSwerveDrive, "Blue1Path.txt", -1).andThen(new AutoBalance(m_robotMap.gyro, m_robotSwerveDrive));
// private Command taxi = new JoystickPlayback(m_robotSwerveDrive, "Taxi.txt");
private PlaybackChooser playbackChooser;
/**
* The container for the robot. Contains subsystems, OI devices, and commands.
*/
public RobotContainer() {
configureButtonBindings();
/* Default Commands */
m_robotSwerveDrive.setDefaultCommand(new DriveWithInput(m_robotSwerveDrive,
() -> getDriverController().getLeftXAxis(),
() -> getDriverController().getLeftYAxis(),
() -> getDriverController().getRightXAxis(),
false));
// * Default Commands
m_robotSwerveDrive.setDefaultCommand(new RunCommand(() -> {
m_robotSwerveDrive.driveWithInput(getDeadbandedDriverController().getLeft(),
getDeadbandedDriverController().getRight(),
true);
}, m_robotSwerveDrive)
.withName("SwerveDrive DefaultCommand"));
// m_robotLED.setDefaultCommand(new RunCommand(() -> m_robotLED.updateLED(), m_robotLED));
// * Auto Commands
// chooser.setDefaultOption("NoAuto", noAuto);
// chooser.addOption("Blue1Path", blue1Path);
// chooser.addOption("Blue1PathWithBalance", blue1PathWithBalance);
// chooser.addOption("Red1Path", red1Path);
// chooser.addOption("Red1PathWithBalance", red1PathWithBalance);
// chooser.addOption("Taxi", taxi);
playbackChooser = new PlaybackChooser(m_robotSwerveDrive)
.addOption("Balance", new AutoBalance(m_robotMap.gyro, m_robotSwerveDrive))
.buildDisplay();
}
@@ -65,20 +121,27 @@ public class RobotContainer {
* passing it to a {@link edu.wpi.first.wpilibj2.command.button.JoystickButton}.
*/
private void configureButtonBindings() {
/* Driver Buttons */
// * Driver Buttons
new JoystickButton(getDeadbandedDriverController(), XboxController.A_BUTTON)
.onTrue(new InstantCommand(() -> m_robotSwerveDrive.resetGyro(), m_robotSwerveDrive));
new JoystickButton(getDriverJoystick(), XboxController.A_BUTTON)
.onTrue(new InstantCommand(() -> m_robotMap.gyro.reset()));
// .onFalse()
/* Operator Buttons */
// new JoystickButton(getDeadbandedDriverController(), XboxController.X_BUTTON)
// .onTrue(new InstantCommand(() -> m_robotSwerveDrive.resetOdometry(), m_robotSwerveDrive));
// // .onFalse()
new JoystickButton(getDriverJoystick(), XboxController.Y_BUTTON)
.onTrue(new AutoBalance(m_robotMap.gyro, m_robotSwerveDrive));
// interrupt button
new JoystickButton(getOperatorJoystick(), XboxController.X_BUTTON)
.onTrue(new InstantCommand());
new JoystickButton(getDeadbandedDriverController(), XboxController.RIGHT_BUMPER_BUTTON)
.whileTrue(new JoystickRecorder(m_robotSwerveDrive,
() -> getDeadbandedDriverController().getLeftX(),
() -> getDeadbandedDriverController().getLeftY(),
() -> getDeadbandedDriverController().getRightX(),
() -> getDeadbandedDriverController().getRightY(),
"Blue1Path.txt"))
.onFalse(new InstantCommand());
// * Operator Buttons
}
/**
@@ -87,35 +150,16 @@ public class RobotContainer {
* @return the command to run in autonomous
*/
public Command getAutonomousCommand() {
return new InstantCommand();
// return chooser.getSelected();
return playbackChooser.getCommand();
}
/**
* Add your docs here.
*/
public IHandController getDriverController() {
return m_driverXbox;
public DeadbandedXboxController getDeadbandedDriverController() {
return this.m_driverXbox;
}
/**
* Add your docs here.
*/
public IHandController getOperatorController() {
return m_operatorXbox;
public DeadbandedXboxController getDeadbandedOperatorController() {
return this.m_operatorXbox;
}
/**
* Add your docs here.
*/
public Joystick getOperatorJoystick() {
return m_operatorXbox.getJoyStick();
}
/**
* Add your docs here.
*/
public Joystick getDriverJoystick() {
return m_driverXbox.getJoyStick();
}
}
@@ -25,7 +25,7 @@ public class AutoBalance extends PelvicInflammatoryDisease {
@Override
public double getError() {
var pitch = gyro.getPitch();
var pitch = gyro.getRoll();
SmartDashboard.putNumber("pitch", pitch);
return pitch;
}
@@ -33,8 +33,9 @@ public class AutoBalance extends PelvicInflammatoryDisease {
@Override
public void runWithOutput(double output) {
double out2 = MathUtil.clamp(output / 40, -.5, .5);
if (Math.abs(gyro.getPitch()) < 3) out2 = 0;
drive.drive(out2, 0, 0, false);
if (Math.abs(getError()) < 3) out2 = 0;
drive.driveWithInput(new Translation2d(0, out2), new Translation2d(), false);
}
@Override
@@ -0,0 +1,150 @@
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@@ -0,0 +1,141 @@
// Copyright (c) FIRST and other WPILib contributors.
// Open Source Software; you can modify and/or share it under the terms of
// the WPILib BSD license file in the root directory of this project.
package frc4388.robot.commands;
import java.io.File;
import java.io.FileNotFoundException;
import java.util.ArrayList;
import java.util.Scanner;
import edu.wpi.first.math.geometry.Translation2d;
import edu.wpi.first.wpilibj2.command.CommandBase;
import frc4388.robot.subsystems.SwerveDrive;
import frc4388.utility.UtilityStructs.TimedOutput;
public class JoystickPlayback extends CommandBase {
private final SwerveDrive swerve;
private String filename;
private int mult = 1;
private Scanner input;
private final ArrayList<TimedOutput> outputs = new ArrayList<>();
private int counter = 0;
private long startTime = 0;
private long playbackTime = 0;
private int lastIndex;
private boolean m_finished = false; // ! find a better way
/** Creates a new JoystickPlayback. */
public JoystickPlayback(SwerveDrive swerve, String filename, int mult) {
this.swerve = swerve;
this.filename = filename;
this.mult = mult;
addRequirements(this.swerve);
}
/** Creates a new JoystickPlayback. */
public JoystickPlayback(SwerveDrive swerve, String filename) {
this(swerve, filename, 1);
}
// Called when the command is initially scheduled.
@Override
public void initialize() {
outputs.clear();
m_finished = false;
startTime = System.currentTimeMillis();
playbackTime = 0;
lastIndex = 0;
try {
input = new Scanner(new File("/home/lvuser/autos/" + filename));
String line = "";
while (input.hasNextLine()) {
line = input.nextLine();
if (line.isEmpty() || line.isBlank() || line.equals("\n")) {
continue;
}
String[] values = line.split(",");
System.out.println("values: " + values[0] + " " + values[1] + " " + values[2] + " " + values[3]);
var out = new TimedOutput();
out.leftX = Double.parseDouble(values[0]) * mult;
out.leftY = Double.parseDouble(values[1]);
out.rightX = Double.parseDouble(values[2]);
out.rightY = Double.parseDouble(values[3]);
out.timedOffset = Long.parseLong(values[4]);
outputs.add(out);
}
input.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
}
}
// Called every time the scheduler runs while the command is scheduled.
@Override
public void execute() {
if (counter == 0) {
startTime = System.currentTimeMillis();
playbackTime = 0;
} else {
playbackTime = System.currentTimeMillis() - startTime;
}
// skip to reasonable time frame
// too tired to write comment: ask daniel thomas; it goes to the thing until it's bigger than the other thing
{
int i = lastIndex == 0 ? 1 : lastIndex;
while (i < outputs.size() && outputs.get(i).timedOffset < playbackTime) {
i++;
}
if (i >= outputs.size()) {
m_finished = true; // ! kind of a hack
return;
}
lastIndex = i;
}
TimedOutput lastOut = outputs.get(lastIndex - 1);
TimedOutput out = outputs.get(lastIndex);
double deltaTime = out.timedOffset - lastOut.timedOffset;
double playbackDelta = playbackTime - lastOut.timedOffset;
double lerpLX = lastOut.leftX + (out.leftX - lastOut.leftX) * (playbackDelta / deltaTime);
double lerpLY = lastOut.leftY + (out.leftY - lastOut.leftY) * (playbackDelta / deltaTime);
double lerpRX = lastOut.rightX + (out.rightX - lastOut.rightX) * (playbackDelta / deltaTime);
double lerpRY = lastOut.rightY + (out.rightY - lastOut.rightY) * (playbackDelta / deltaTime);
// this.swerve.driveWithInput(new Translation2d(out.leftX, out.leftY),
// new Translation2d(out.rightX, out.rightY),
// true);
this.swerve.driveWithInput( new Translation2d(lerpLX, lerpLY),
new Translation2d(lerpRX, lerpRY),
true);
counter++;
}
// Called once the command ends or is interrupted.
@Override
public void end(boolean interrupted) {
input.close();
swerve.stopModules();
}
// Returns true when the command should end.
@Override
public boolean isFinished() {
return m_finished;
}
}
@@ -0,0 +1,97 @@
// Copyright (c) FIRST and other WPILib contributors.
// Open Source Software; you can modify and/or share it under the terms of
// the WPILib BSD license file in the root directory of this project.
package frc4388.robot.commands;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.function.Supplier;
import edu.wpi.first.math.geometry.Translation2d;
import edu.wpi.first.wpilibj2.command.CommandBase;
import frc4388.robot.subsystems.SwerveDrive;
import frc4388.utility.UtilityStructs.TimedOutput;
public class JoystickRecorder extends CommandBase {
public final SwerveDrive swerve;
public final Supplier<Double> leftX;
public final Supplier<Double> leftY;
public final Supplier<Double> rightX;
public final Supplier<Double> rightY;
private String filename;
public final ArrayList<TimedOutput> outputs = new ArrayList<>();
private long startTime = -1;
/** Creates a new JoystickRecorder. */
public JoystickRecorder(SwerveDrive swerve, Supplier<Double> leftX, Supplier<Double> leftY,
Supplier<Double> rightX, Supplier<Double> rightY,
String filename)
{
this.swerve = swerve;
this.leftX = leftX;
this.leftY = leftY;
this.rightX = rightX;
this.rightY = rightY;
this.filename = filename;
addRequirements(this.swerve);
}
// Called when the command is initially scheduled.
@Override
public void initialize() {
outputs.clear();
this.startTime = System.currentTimeMillis();
outputs.add(new TimedOutput());
}
// Called every time the scheduler runs while the command is scheduled.
@Override
public void execute() {
var inputs = new TimedOutput();
inputs.leftX = leftX.get();
inputs.leftY = leftY.get();
inputs.rightX = rightX.get();
inputs.rightY = rightY.get();
inputs.timedOffset = System.currentTimeMillis() - startTime;
outputs.add(inputs);
swerve.driveWithInput(new Translation2d(inputs.leftX, inputs.leftY),
new Translation2d(inputs.rightX, inputs.rightY),
true);
System.out.println("RECORDING");
}
// Called once the command ends or is interrupted.
@Override
public void end(boolean interrupted) {
File output = new File("/home/lvuser/autos/" + filename);
try (PrintWriter writer = new PrintWriter(output)) {
for (var input : outputs) {
writer.println( input.leftX + "," + input.leftY + "," +
input.rightX + "," + input.rightY + "," +
input.timedOffset);
}
writer.close();
} catch (IOException e) {
e.printStackTrace();
}
}
// Returns true when the command should end.
@Override
public boolean isFinished() {
return false;
}
}
@@ -0,0 +1,80 @@
package frc4388.robot.commands;
import java.io.File;
import java.util.ArrayList;
import java.util.HashMap;
import edu.wpi.first.wpilibj.shuffleboard.BuiltInWidgets;
import edu.wpi.first.wpilibj.shuffleboard.Shuffleboard;
import edu.wpi.first.wpilibj.shuffleboard.WidgetType;
import edu.wpi.first.wpilibj.smartdashboard.SendableChooser;
import edu.wpi.first.wpilibj.smartdashboard.SmartDashboard;
import edu.wpi.first.wpilibj2.command.Command;
import edu.wpi.first.wpilibj2.command.InstantCommand;
import frc4388.robot.subsystems.SwerveDrive;
public class PlaybackChooser {
private final ArrayList<SendableChooser<Command>> m_choosers = new ArrayList<>();
private SendableChooser<Command> m_playback = null;
private final HashMap<String, Command> m_commandPool = new HashMap<>();
private final File m_dir = new File("/home/lvuser/autos/");
private final SwerveDrive m_swerve;
// commands
private Command m_noAuto = new InstantCommand();
public PlaybackChooser(SwerveDrive swerve, Object... pool) {
m_swerve = swerve;
}
public PlaybackChooser addOption(String name, Command option) {
m_commandPool.put(name, option);
return this;
}
public PlaybackChooser buildDisplay() {
appendCommand();
m_playback = m_choosers.get(0);
Shuffleboard.getTab("Auto Chooser")
.add("Add Sequence", new InstantCommand(() -> appendCommand()))
.withPosition(4, 0);
return this;
}
// This will be bound to a button for the time being
public void appendCommand() {
var chooser = new SendableChooser<Command>();
chooser.setDefaultOption("No Auto", m_noAuto);
for (String auto : m_dir.list()) {
m_playback.addOption(auto, new JoystickPlayback(m_swerve, auto));
}
for (var cmd_name : m_commandPool.keySet()) {
chooser.addOption(cmd_name, m_commandPool.get(cmd_name));
}
m_choosers.add(chooser);
Shuffleboard.getTab("Auto Chooser")
.add("Command: " + m_choosers.size(), chooser)
.withSize(4, 1)
.withPosition(0, m_choosers.size() - 1)
.withWidget(BuiltInWidgets.kSplitButtonChooser);
}
public Command getCommand() {
Command command = m_playback.getSelected();
command = command == null ? m_noAuto : command.asProxy();
Command[] commands = new Command[m_choosers.size() - 1];
for (int i = 0; i < m_choosers.size()-1; i++) {
Command command2 = m_choosers.get(i + 1).getSelected();
command2 = command2 == null ? m_noAuto : command2.asProxy();
commands[i] = command2.asProxy();
}
return command.andThen(commands);
}
}
@@ -0,0 +1,225 @@
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0.0,0.0,0.0,0.0,4183
0.0,0.0,0.0,0.0,4203
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@@ -4,6 +4,9 @@
package frc4388.robot.subsystems;
import edu.wpi.first.math.estimator.SwerveDrivePoseEstimator;
import edu.wpi.first.math.geometry.Pose2d;
import edu.wpi.first.math.geometry.Rotation2d;
import edu.wpi.first.math.geometry.Translation2d;
import edu.wpi.first.math.kinematics.ChassisSpeeds;
import edu.wpi.first.math.kinematics.SwerveDriveKinematics;
@@ -26,18 +29,13 @@ public class SwerveDrive extends SubsystemBase {
private Translation2d leftBackLocation = new Translation2d(-Units.inchesToMeters(SwerveDriveConstants.HALF_HEIGHT), Units.inchesToMeters(SwerveDriveConstants.HALF_WIDTH));
private Translation2d rightBackLocation = new Translation2d(-Units.inchesToMeters(SwerveDriveConstants.HALF_HEIGHT), -Units.inchesToMeters(SwerveDriveConstants.HALF_WIDTH));
private SwerveDriveKinematics kinematics = new SwerveDriveKinematics(leftFrontLocation, rightFrontLocation, leftBackLocation, rightBackLocation);
private SwerveDriveKinematics kinematics = new SwerveDriveKinematics(leftFrontLocation, rightFrontLocation, leftBackLocation, rightBackLocation);
// private SwerveDriveOdometry odometry = new SwerveDrive(
// kinematics,
// gyro.getRotation2d(),
// new SwerveModulePosition[] {
// leftFront.getPosition(),
// rightFront.getPosition(),
// leftBack.getPosition(),
// rightBack.getPosition()
// }
// );
private RobotGyro gyro;
// private SwerveDriveOdometry odometry;
private SwerveDrivePoseEstimator poseEstimator;
public double speedAdjust = SwerveDriveConstants.Conversions.JOYSTICK_TO_METERS_PER_SECOND_SLOW; // * slow by default
@@ -47,18 +45,55 @@ public class SwerveDrive extends SubsystemBase {
this.rightFront = rightFront;
this.leftBack = leftBack;
this.rightBack = rightBack;
this.gyro = gyro;
// this.odometry = new SwerveDriveOdometry(
// kinematics,
// gyro.getRotation2d(),
// new SwerveModulePosition[] {
// leftFront.getPosition(),
// rightFront.getPosition(),
// leftBack.getPosition(),
// rightBack.getPosition()
// },
// getOdometry()
// );
this.poseEstimator = new SwerveDrivePoseEstimator(
kinematics,
gyro.getRotation2d(),
new SwerveModulePosition[] {
leftFront.getPosition(),
rightFront.getPosition(),
leftBack.getPosition(),
rightBack.getPosition()
},
new Pose2d(0,0, new Rotation2d(0))
);
this.modules = new SwerveModule[] {this.leftFront, this.rightFront, this.leftBack, this.rightBack};
}
// WPILib swerve drive example
public void drive(double xSpeed, double ySpeed, double rot, boolean fieldRelative) {
// SwerveModuleState[] states = kinematics.toSwerveModuleStates(
// fieldRelative ? ChassisSpeeds.fromFieldRelativeSpeeds(xSpeed, ySpeed, rot, gyro.getRotation2d())
// : new ChassisSpeeds(xSpeed, ySpeed, rot)
// );
SwerveModuleState[] states = kinematics.toSwerveModuleStates(new ChassisSpeeds(xSpeed, ySpeed, rot * SwerveDriveConstants.ROTATION_SPEED));
setModuleStates(states);
public void driveWithInput(Translation2d leftStick, Translation2d rightStick, boolean fieldRelative) {
if (fieldRelative) {
if (rightStick.getNorm() > 0.1) {
rotTarget = new Rotation2d(rightStick.getX(), -rightStick.getY()).minus(new Rotation2d(0, 1));
}
double rot = rotTarget.minus(gyro.getRotation2d()).getRadians();
// Use the left joystick to set speed. Apply a quadratic curve and the set max speed.
Translation2d speed = leftStick.times(leftStick.getNorm() * speedAdjust);
// Convert field-relative speeds to robot-relative speeds.
chassisSpeeds = ChassisSpeeds.fromFieldRelativeSpeeds(-1 * speed.getX(), speed.getY(), rot * SwerveDriveConstants.ROTATION_SPEED, gyro.getRotation2d().times(-1));
} else {
// Create robot-relative speeds.
chassisSpeeds = new ChassisSpeeds(-1 * leftStick.getX(), leftStick.getY(), rightStick.getX() * SwerveDriveConstants.ROTATION_SPEED);
}
setModuleStates(kinematics.toSwerveModuleStates(chassisSpeeds));
}
/**
@@ -74,6 +109,16 @@ public class SwerveDrive extends SubsystemBase {
}
}
public double getGyroAngle() {
return gyro.getAngle();
}
public void resetGyro() {
gyro.reset();
// setOdometry(getOdometry());
rotTarget = new Rotation2d(0);
}
/**
* Updates the odometry of the SwerveDrive.
*/
@@ -89,6 +134,18 @@ public class SwerveDrive extends SubsystemBase {
// );
// }
public void updatePoseEstimator() {
poseEstimator.update(
gyro.getRotation2d(),
new SwerveModulePosition[] {
leftFront.getPosition(),
rightFront.getPosition(),
leftBack.getPosition(),
rightBack.getPosition()
}
);
}
/**
* Gets the odometry of the SwerveDrive.
* @return The odometry of the SwerveDrive as a Pose2d object (xMeters, yMeters, theta).
@@ -97,6 +154,10 @@ public class SwerveDrive extends SubsystemBase {
// return odometry.getPoseMeters();
// }
public Pose2d getPoseEstimator() {
return poseEstimator.getEstimatedPosition();
}
/**
* Sets the odometry of the SwerveDrive.
* @param pose Pose to set the odometry to.
@@ -114,21 +175,35 @@ public class SwerveDrive extends SubsystemBase {
// );
// }
public void setPoseEstimator(Pose2d pose) {
poseEstimator.resetPosition(
gyro.getRotation2d(),
new SwerveModulePosition[] {
leftFront.getPosition(),
rightFront.getPosition(),
leftBack.getPosition(),
rightBack.getPosition()
},
pose
);
}
public void resetPoseEstimator() {
setPoseEstimator(new Pose2d());
}
public void stopModules() {
for (SwerveModule module : this.modules) {
module.stop();
}
}
/**
* Resets the odometry of the SwerveDrive to 0.
* *NOTE: If you reset your gyroscope or wheel encoders, this method MUST be called with the new gyro angle and wheel encoder positions.
*/
// public void resetOdometry() {
// odometry.resetPosition(
// gyro.getRotation2d(),
// new SwerveModulePosition[] {
// leftFront.getPosition(),
// rightFront.getPosition(),
// leftBack.getPosition(),
// rightBack.getPosition()
// },
// new Pose2d()
// );
// setOdometry(new Pose2d());
// }
public SwerveDriveKinematics getKinematics() {
@@ -138,7 +213,16 @@ public class SwerveDrive extends SubsystemBase {
@Override
public void periodic() {
// This method will be called once per scheduler run
// updateOdometry();
updatePoseEstimator();
// SmartDashboard.putNumber("Odo X (ft)", Units.metersToFeet(this.getOdometry().getX()));
// SmartDashboard.putNumber("Odo Y (ft)", Units.metersToFeet(this.getOdometry().getY()));
// SmartDashboard.putNumber("Odo Theta", this.getOdometry().getRotation().getDegrees());
// SmartDashboard.putNumber("Gyro Angle", getGyroAngle());
// SmartDashboard.putNumber("rotTarget", this.rotTarget.getDegrees());
}
/**
@@ -124,7 +124,10 @@ public class SwerveModule extends SubsystemBase {
// convert the CANCoder from its position reading to ticks
double currentTicks = encoder.getPosition() / encoder.configGetFeedbackCoefficient();
angleMotor.set(TalonFXControlMode.Position, currentTicks + deltaTicks);
if (!ignoreAngle) {
angleMotor.set(TalonFXControlMode.Position, currentTicks + deltaTicks);
}
double feetPerSecond = Units.metersToFeet(state.speedMetersPerSecond);
@@ -0,0 +1,13 @@
package frc4388.utility;
// This is a seperate class in case I want to encode rotation or other
// information about the tag
public class AprilTag {
public final double x, y, z;
public AprilTag(double _x, double _y, double _z) {
x = _x;
y = _y;
z = _z;
}
}
+6
View File
@@ -54,6 +54,12 @@ public class Gains {
this.kMinOutput = -1.0;
}
public Gains(double kP, double kI, double kD) {
this.kP = kP;
this.kI = kI;
this.kD = kD;
}
/**
* Creates Gains object for PIDs
* @param kP The P value.
@@ -0,0 +1,12 @@
package frc4388.utility;
public class UtilityStructs {
public static class TimedOutput {
public double leftX = 0.0;
public double leftY = 0.0;
public double rightX = 0.0;
public double rightY = 0.0;
public long timedOffset = 0;
}
}