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Real robo changes

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This commit is contained in:
evan
2022-03-05 11:12:33 -07:00
parent 71e082e7bd
commit a5058b4ad8
7 changed files with 449 additions and 268 deletions
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src/main/java/frc4388/robot/subsystems/SwerveDrive.java
+91 -70
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@@ -36,19 +36,27 @@ public class SwerveDrive extends SubsystemBase {
public static Gains m_swerveGains = SwerveDriveConstants.SWERVE_GAINS;
Translation2d m_frontLeftLocation = new Translation2d(Units.inchesToMeters(halfHeight), Units.inchesToMeters(halfWidth));
Translation2d m_frontRightLocation = new Translation2d(Units.inchesToMeters(halfHeight), Units.inchesToMeters(-halfWidth));
Translation2d m_backLeftLocation = new Translation2d(Units.inchesToMeters(-halfHeight), Units.inchesToMeters(halfWidth));
Translation2d m_backRightLocation = new Translation2d(Units.inchesToMeters(-halfHeight), Units.inchesToMeters(-halfWidth));
public SwerveDriveKinematics m_kinematics = new SwerveDriveKinematics(m_frontLeftLocation, m_frontRightLocation, m_backLeftLocation, m_backRightLocation);
Translation2d m_frontLeftLocation = new Translation2d(Units.inchesToMeters(halfHeight),
Units.inchesToMeters(halfWidth));
Translation2d m_frontRightLocation = new Translation2d(Units.inchesToMeters(halfHeight),
Units.inchesToMeters(-halfWidth));
Translation2d m_backLeftLocation = new Translation2d(Units.inchesToMeters(-halfHeight),
Units.inchesToMeters(halfWidth));
Translation2d m_backRightLocation = new Translation2d(Units.inchesToMeters(-halfHeight),
Units.inchesToMeters(-halfWidth));
public SwerveDriveKinematics m_kinematics = new SwerveDriveKinematics(m_frontLeftLocation, m_frontRightLocation,
m_backLeftLocation, m_backRightLocation);
public SwerveModule[] modules;
public WPI_PigeonIMU m_gyro;
protected FusionStatus fstatus = new FusionStatus();
/* Here we use SwerveDrivePoseEstimator so that we can fuse odometry readings. The numbers used
below are robot specific, and should be tuned. */
/*
* Here we use SwerveDrivePoseEstimator so that we can fuse odometry readings.
* The numbers used
* below are robot specific, and should be tuned.
*/
public SwerveDrivePoseEstimator m_poseEstimator;
public SwerveDriveOdometry m_odometry;
@@ -59,7 +67,8 @@ public class SwerveDrive extends SubsystemBase {
private final Field2d m_field = new Field2d();
public SwerveDrive(SwerveModule leftFront, SwerveModule leftBack, SwerveModule rightFront, SwerveModule rightBack, WPI_PigeonIMU gyro) {
public SwerveDrive(SwerveModule leftFront, SwerveModule leftBack, SwerveModule rightFront, SwerveModule rightBack,
WPI_PigeonIMU gyro) {
m_leftFront = leftFront;
m_leftBack = leftBack;
@@ -67,53 +76,55 @@ public class SwerveDrive extends SubsystemBase {
m_rightBack = rightBack;
m_gyro = gyro;
modules = new SwerveModule[] {m_leftFront, m_rightFront, m_leftBack, m_rightBack};
modules = new SwerveModule[] { m_leftFront, m_rightFront, m_leftBack, m_rightBack };
m_poseEstimator =
new SwerveDrivePoseEstimator(
m_gyro.getRotation2d(),
new Pose2d(),
m_kinematics,
VecBuilder.fill(1.0, 1.0, Units.degreesToRadians(1)),
VecBuilder.fill(Units.degreesToRadians(1)),
VecBuilder.fill(1.0, 1.0, Units.degreesToRadians(1)));
m_poseEstimator = new SwerveDrivePoseEstimator(
m_gyro.getRotation2d(),
new Pose2d(),
m_kinematics,
VecBuilder.fill(1.0, 1.0, Units.degreesToRadians(1)),
VecBuilder.fill(Units.degreesToRadians(1)),
VecBuilder.fill(1.0, 1.0, Units.degreesToRadians(1)));
m_odometry = new SwerveDriveOdometry(m_kinematics, m_gyro.getRotation2d());
m_gyro.reset();
m_gyro.reset();
SmartDashboard.putData("Field", m_field);
}
//https://github.com/ZachOrr/MK3-Swerve-Example
/**
* Method to drive the robot using joystick info.
*
* @param speeds[0] Speed of the robot in the x direction (forward).
* @param speeds[1] Speed of the robot in the y direction (sideways).
* @param rot Angular rate of the robot.
* @param fieldRelative Whether the provided x and y speeds are relative to the field.
*/
public void driveWithInput(double speedX, double speedY, double rot, boolean fieldRelative)
{
if (speedX == 0 && speedY == 0 && rot == 0) ignoreAngles = true;
else ignoreAngles = false;
Translation2d speed = new Translation2d(speedX, speedY);
// https://github.com/ZachOrr/MK3-Swerve-Example
/**
* Method to drive the robot using joystick info.
*
* @param speeds[0] Speed of the robot in the x direction (forward).
* @param speeds[1] Speed of the robot in the y direction (sideways).
* @param rot Angular rate of the robot.
* @param fieldRelative Whether the provided x and y speeds are relative to the
* field.
*/
public void driveWithInput(double speedX, double speedY, double rot, boolean fieldRelative) {
if (speedX == 0 && speedY == 0 && rot == 0)
ignoreAngles = true;
else
ignoreAngles = false;
Translation2d speed = new Translation2d(-speedX, speedY);
double mag = speed.getNorm();
speed = speed.times(mag * speedAdjust);
double xSpeedMetersPerSecond = -speed.getX();
double ySpeedMetersPerSecond = speed.getY();
SwerveModuleState[] states =
m_kinematics.toSwerveModuleStates(
fieldRelative
? ChassisSpeeds.fromFieldRelativeSpeeds(xSpeedMetersPerSecond, ySpeedMetersPerSecond, rot * SwerveDriveConstants.ROTATION_SPEED, m_gyro.getRotation2d())
: new ChassisSpeeds(xSpeedMetersPerSecond, ySpeedMetersPerSecond, rot * SwerveDriveConstants.ROTATION_SPEED));
SwerveModuleState[] states = m_kinematics.toSwerveModuleStates(
fieldRelative
? ChassisSpeeds.fromFieldRelativeSpeeds(xSpeedMetersPerSecond, ySpeedMetersPerSecond,
rot * SwerveDriveConstants.ROTATION_SPEED, m_gyro.getRotation2d())
: new ChassisSpeeds(xSpeedMetersPerSecond, ySpeedMetersPerSecond,
rot * SwerveDriveConstants.ROTATION_SPEED));
setModuleStates(states);
}
public void driveWithInput(double leftX, double leftY, double rightX, double rightY, boolean fieldRelative)
{
public void driveWithInput(double leftX, double leftY, double rightX, double rightY, boolean fieldRelative) {
ignoreAngles = leftX == 0 && leftY == 0 && rightX == 0 && rightY == 0;
Translation2d speed = new Translation2d(leftX, leftY);
Translation2d speed = new Translation2d(-leftX, leftY);
speed = speed.times(speed.getNorm() * speedAdjust);
if (Math.abs(rightX) > OIConstants.RIGHT_AXIS_DEADBAND || Math.abs(rightY) > OIConstants.RIGHT_AXIS_DEADBAND)
rotTarget = new Rotation2d(rightX, -rightY).minus(new Rotation2d(0, 1));
@@ -121,20 +132,22 @@ public class SwerveDrive extends SubsystemBase {
double xSpeedMetersPerSecond = -speed.getX();
double ySpeedMetersPerSecond = speed.getY();
chassisSpeeds = fieldRelative
? ChassisSpeeds.fromFieldRelativeSpeeds(xSpeedMetersPerSecond, ySpeedMetersPerSecond, rot * SwerveDriveConstants.ROTATION_SPEED, m_gyro.getRotation2d())
: new ChassisSpeeds(xSpeedMetersPerSecond, ySpeedMetersPerSecond, rightX * SwerveDriveConstants.ROTATION_SPEED);
SwerveModuleState[] states =
m_kinematics.toSwerveModuleStates(
chassisSpeeds);
? ChassisSpeeds.fromFieldRelativeSpeeds(xSpeedMetersPerSecond, ySpeedMetersPerSecond,
rot * SwerveDriveConstants.ROTATION_SPEED, m_gyro.getRotation2d())
: new ChassisSpeeds(xSpeedMetersPerSecond, ySpeedMetersPerSecond, rightX * SwerveDriveConstants.ROTATION_SPEED);
SwerveModuleState[] states = m_kinematics.toSwerveModuleStates(
chassisSpeeds);
setModuleStates(states);
}
/**
* Set each module of the swerve drive to the corresponding desired state.
*
* @param desiredStates Array of module states to set.
*/
public void setModuleStates(SwerveModuleState[] desiredStates) {
SwerveDriveKinematics.desaturateWheelSpeeds(desiredStates, Units.feetToMeters(SwerveDriveConstants.MAX_SPEED_FEET_PER_SEC));
SwerveDriveKinematics.desaturateWheelSpeeds(desiredStates,
Units.feetToMeters(SwerveDriveConstants.MAX_SPEED_FEET_PER_SEC));
for (int i = 0; i < desiredStates.length; i++) {
SwerveModule module = modules[i];
SwerveModuleState state = desiredStates[i];
@@ -162,13 +175,16 @@ public class SwerveDrive extends SubsystemBase {
SmartDashboard.putNumber("Odometry: θ", getOdometry().getRotation().getDegrees());
// chassis speeds
// TODO: find the actual max velocity in m/s of the robot in fast mode to have accurate chassis speeds
// TODO: find the actual max velocity in m/s of the robot in fast mode to have
// accurate chassis speeds
SmartDashboard.putNumber("Chassis Vel: X", chassisSpeeds.vxMetersPerSecond);
SmartDashboard.putNumber("Chassis Vel: Y", chassisSpeeds.vyMetersPerSecond);
SmartDashboard.putNumber("Chassis Vel: ω", chassisSpeeds.omegaRadiansPerSecond);
}
/**
* Gets the distance between two given poses.
*
* @param p1 The first pose.
* @param p2 The second pose.
* @return Absolute distance between p1 and p2.
@@ -181,13 +197,14 @@ public class SwerveDrive extends SubsystemBase {
* Returns a scalar from your distance to the hub to your target distance.
*
* @param target_dist The target distance.
* @return A scalar that multiplies your distance from the hub to get your target distance.
* @return A scalar that multiplies your distance from the hub to get your
* target distance.
*/
public Pose2d poseGivenDist(double target_dist) {
Pose2d p1 = m_poseEstimator.getEstimatedPosition();
Pose2d p2 = SwerveDriveConstants.HUB_POSE;
double scalar = target_dist/distBtwPoses(p1, p2);
double scalar = target_dist / distBtwPoses(p1, p2);
Pose2d new_pose = new Pose2d(p1.getX() * scalar, p1.getY() * scalar, p1.getRotation());
return new_pose;
@@ -195,6 +212,7 @@ public class SwerveDrive extends SubsystemBase {
/**
* Gets the current pose of the robot.
*
* @return Robot's current pose.
*/
public Pose2d getOdometry() {
@@ -204,6 +222,7 @@ public class SwerveDrive extends SubsystemBase {
/**
* Gets the current gyro using regression formula.
*
* @return Rotation2d object holding current gyro in radians
*/
public Rotation2d getRegGyro() {
@@ -218,26 +237,28 @@ public class SwerveDrive extends SubsystemBase {
m_poseEstimator.resetPosition(pose, m_gyro.getRotation2d());
}
/** Updates the field relative position of the robot.
*/
/**
* Updates the field relative position of the robot.
*/
public void updateOdometry() {
m_poseEstimator.update( getRegGyro(),
modules[0].getState(),
modules[1].getState(),
modules[2].getState(),
modules[3].getState());
// Also apply vision measurements. We use 0.3 seconds in the past as an example -- on
// a real robot, this must be calculated based either on latency or timestamps.
// m_poseEstimator.addVisionMeasurement(
// m_poseEstimator.getEstimatedPosition(),
// Timer.getFPGATimestamp() - 0.1);
}
m_poseEstimator.update(getRegGyro(),
modules[0].getState(),
modules[1].getState(),
modules[2].getState(),
modules[3].getState());
// Also apply vision measurements. We use 0.3 seconds in the past as an example
// -- on
// a real robot, this must be calculated based either on latency or timestamps.
// m_poseEstimator.addVisionMeasurement(
// m_poseEstimator.getEstimatedPosition(),
// Timer.getFPGATimestamp() - 0.1);
}
/**
* Resets pigeon.
*/
public void resetGyro(){
public void resetGyro() {
m_gyro.reset();
rotTarget = new Rotation2d(0);
}
@@ -254,13 +275,13 @@ public class SwerveDrive extends SubsystemBase {
/**
* Switches speed modes.
*
* @param shift True if fast mode, false if slow mode.
*/
public void highSpeed(boolean shift){
if (shift){
public void highSpeed(boolean shift) {
if (shift) {
speedAdjust = SwerveDriveConstants.JOYSTICK_TO_METERS_PER_SECOND_FAST;
}
else{
} else {
speedAdjust = SwerveDriveConstants.JOYSTICK_TO_METERS_PER_SECOND_SLOW;
}
}