Make code work

Update basic functions for apriltags and outline for integration
This commit is contained in:
Astatin3
2023-02-16 18:46:43 -07:00
parent 8b4f105662
commit 363a211a1b
10 changed files with 282 additions and 206 deletions
@@ -4,27 +4,20 @@
package frc4388.robot.subsystems;
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;
import edu.wpi.first.math.kinematics.SwerveDriveOdometry;
import edu.wpi.first.math.kinematics.SwerveModulePosition;
import edu.wpi.first.math.kinematics.SwerveModuleState;
import edu.wpi.first.math.util.Units;
import edu.wpi.first.wpilibj.smartdashboard.SmartDashboard;
import edu.wpi.first.wpilibj2.command.SubsystemBase;
import frc4388.robot.Constants.SwerveDriveConstants;
import frc4388.utility.RobotGyro;
public class SwerveDrive extends SubsystemBase {
private SwerveModule leftFront;
private SwerveModule rightFront;
private SwerveModule leftBack;
private SwerveModule rightBack;
public SwerveModule leftFront;
public SwerveModule rightFront;
public SwerveModule leftBack;
public SwerveModule rightBack;
private SwerveModule[] modules;
@@ -33,64 +26,39 @@ 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 RobotGyro gyro;
private SwerveDriveOdometry odometry;
// private SwerveDriveOdometry odometry = new SwerveDriveOdometry(
// kinematics,
// gyro.getRotation2d(),
// new SwerveModulePosition[] {
// leftFront.getPosition(),
// rightFront.getPosition(),
// leftBack.getPosition(),
// rightBack.getPosition()
// }
// );
public double speedAdjust = SwerveDriveConstants.Conversions.JOYSTICK_TO_METERS_PER_SECOND_SLOW; // * slow by default
public Rotation2d rotTarget = new Rotation2d();
public ChassisSpeeds chassisSpeeds = new ChassisSpeeds();
/** Creates a new SwerveDrive. */
public SwerveDrive(SwerveModule leftFront, SwerveModule rightFront, SwerveModule leftBack, SwerveModule rightBack, RobotGyro gyro) {
public SwerveDrive(SwerveModule leftFront, SwerveModule rightFront, SwerveModule leftBack, SwerveModule rightBack) {//, RobotGyro gyro) {
this.leftFront = leftFront;
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()
}
);
this.modules = new SwerveModule[] {this.leftFront, this.rightFront, this.leftBack, this.rightBack};
}
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);
// if (rightStick.getNorm() < .1) {
// rot = 0;
// }
// 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));
// 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);
}
/**
@@ -98,71 +66,70 @@ public class SwerveDrive extends SubsystemBase {
* @param desiredStates Array of module states to set.
*/
public void setModuleStates(SwerveModuleState[] desiredStates) {
SwerveDriveKinematics.desaturateWheelSpeeds(desiredStates, Units.feetToMeters(SwerveDriveConstants.MAX_SPEED_FEET_PER_SECOND));
SwerveDriveKinematics.desaturateWheelSpeeds(desiredStates, Units.metersToFeet(SwerveDriveConstants.MAX_SPEED_FEET_PER_SECOND));
for (int i = 0; i < desiredStates.length; i++) {
SwerveModule module = modules[i];
SwerveModuleState state = desiredStates[i];
module.setDesiredState(state, false);
module.setDesiredState(state);
}
}
public double getGyroAngle() {
return gyro.getAngle();
}
public void resetGyro() {
gyro.reset();
setOdometry(getOdometry());
rotTarget = new Rotation2d(0);
}
/**
* Updates the odometry of the SwerveDrive.
*/
public void updateOdometry() {
odometry.update(
gyro.getRotation2d(),
new SwerveModulePosition[] {
leftFront.getPosition(),
rightFront.getPosition(),
leftBack.getPosition(),
rightBack.getPosition()
}
);
}
// public void updateOdometry() {
// odometry.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).
*/
public Pose2d getOdometry() {
return odometry.getPoseMeters();
}
// public Pose2d getOdometry() {
// return odometry.getPoseMeters();
// }
/**
* Sets the odometry of the SwerveDrive.
* @param pose Pose to set the odometry to.
*/
public void setOdometry(Pose2d pose) {
odometry.resetPosition(
gyro.getRotation2d(),
new SwerveModulePosition[] {
leftFront.getPosition(),
rightFront.getPosition(),
leftBack.getPosition(),
rightBack.getPosition()
},
pose
);
}
// public void setOdometry(Pose2d pose) {
// odometry.resetPosition(
// gyro.getRotation2d(),
// new SwerveModulePosition[] {
// leftFront.getPosition(),
// rightFront.getPosition(),
// leftBack.getPosition(),
// rightBack.getPosition()
// },
// pose
// );
// }
/**
* Resets the odometry of the SwerveDrive to 0.
* *NOTE: If you reset your gyro, this method MUST be called with the new gyro angle and wheel encoder positions.
* *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() {
setOdometry(new Pose2d());
}
// public void resetOdometry() {
// odometry.resetPosition(
// gyro.getRotation2d(),
// new SwerveModulePosition[] {
// leftFront.getPosition(),
// rightFront.getPosition(),
// leftBack.getPosition(),
// rightBack.getPosition()
// },
// new Pose2d()
// );
// }
public SwerveDriveKinematics getKinematics() {
return this.kinematics;
@@ -171,14 +138,7 @@ public class SwerveDrive extends SubsystemBase {
@Override
public void periodic() {
// This method will be called once per scheduler run
updateOdometry();
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());
// updateOdometry();
}
/**