From 4b0262fa4d46438d11b1a48f69196b73ed0c8f3e Mon Sep 17 00:00:00 2001 From: samuel desharnais Date: Mon, 27 Jan 2025 20:15:31 -0500 Subject: [PATCH] Swerve + commencer pathplanner --- src/main/deploy/pathplanner/navgrid.json | 1 + .../deploy/pathplanner/paths/21 x 27.5.path | 54 ++++ .../pathplanner/paths/BlueBasChercher.path | 70 +++++ .../pathplanner/paths/BlueBasStart.path | 54 ++++ .../pathplanner/paths/BlueHautChercher.path | 70 +++++ .../pathplanner/paths/BlueHautPorter.path | 54 ++++ .../pathplanner/paths/BlueHautStart.path | 54 ++++ .../pathplanner/paths/BlueMilieuChercher.path | 54 ++++ .../pathplanner/paths/BlueMilieuStart.path | 54 ++++ src/main/deploy/pathplanner/settings.json | 32 ++ src/main/java/frc/robot/Telemetry.java | 124 ++++++++ .../robot/TunerConstants/TunerConstants.java | 286 +++++++++++++++++ .../subsystems/CommandSwerveDrivetrain.java | 294 ++++++++++++++++++ 13 files changed, 1201 insertions(+) create mode 100644 src/main/deploy/pathplanner/navgrid.json create mode 100644 src/main/deploy/pathplanner/paths/21 x 27.5.path create mode 100644 src/main/deploy/pathplanner/paths/BlueBasChercher.path create mode 100644 src/main/deploy/pathplanner/paths/BlueBasStart.path create mode 100644 src/main/deploy/pathplanner/paths/BlueHautChercher.path create mode 100644 src/main/deploy/pathplanner/paths/BlueHautPorter.path create mode 100644 src/main/deploy/pathplanner/paths/BlueHautStart.path create mode 100644 src/main/deploy/pathplanner/paths/BlueMilieuChercher.path create mode 100644 src/main/deploy/pathplanner/paths/BlueMilieuStart.path create mode 100644 src/main/deploy/pathplanner/settings.json create mode 100644 src/main/java/frc/robot/Telemetry.java create mode 100644 src/main/java/frc/robot/TunerConstants/TunerConstants.java create mode 100644 src/main/java/frc/robot/subsystems/CommandSwerveDrivetrain.java diff --git a/src/main/deploy/pathplanner/navgrid.json b/src/main/deploy/pathplanner/navgrid.json new file mode 100644 index 0000000..23e0db9 --- /dev/null +++ b/src/main/deploy/pathplanner/navgrid.json @@ -0,0 +1 @@ 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\ No newline at end of file diff --git a/src/main/deploy/pathplanner/paths/21 x 27.5.path b/src/main/deploy/pathplanner/paths/21 x 27.5.path new file mode 100644 index 0000000..ff69bf9 --- /dev/null +++ b/src/main/deploy/pathplanner/paths/21 x 27.5.path @@ -0,0 +1,54 @@ +{ + "version": "2025.0", + "waypoints": [ + { + "anchor": { + "x": 1.066905737704918, + "y": 1.058043032786885 + }, + "prevControl": null, + "nextControl": { + "x": 2.4151156514267984, + "y": 3.2911993104946093 + }, + "isLocked": false, + "linkedName": null + }, + { + "anchor": { + "x": 3.7641393442622952, + "y": 2.832223360655737 + }, + "prevControl": { + "x": 2.7003578170234857, + "y": 1.9970799919720519 + }, + "nextControl": null, + "isLocked": false, + "linkedName": null + } + ], + "rotationTargets": [], + "constraintZones": [], + "pointTowardsZones": [], + "eventMarkers": [], + "globalConstraints": { + "maxVelocity": 3.0, + "maxAcceleration": 3.0, + "maxAngularVelocity": 540.0, + "maxAngularAcceleration": 720.0, + 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+ "y": 1.1165271593444053 + }, + "nextControl": null, + "isLocked": false, + "linkedName": null + } + ], + "rotationTargets": [], + "constraintZones": [], + "pointTowardsZones": [], + "eventMarkers": [], + "globalConstraints": { + "maxVelocity": 3.0, + "maxAcceleration": 3.0, + "maxAngularVelocity": 540.0, + "maxAngularAcceleration": 720.0, + "nominalVoltage": 12.0, + "unlimited": false + }, + "goalEndState": { + "velocity": 0, + "rotation": -125.00000000000001 + }, + "reversed": false, + "folder": null, + "idealStartingState": { + "velocity": 0, + "rotation": 180.0 + }, + "useDefaultConstraints": true +} \ No newline at end of file diff --git a/src/main/deploy/pathplanner/paths/BlueMilieuStart.path b/src/main/deploy/pathplanner/paths/BlueMilieuStart.path new file mode 100644 index 0000000..1a47993 --- /dev/null +++ b/src/main/deploy/pathplanner/paths/BlueMilieuStart.path @@ -0,0 +1,54 @@ +{ + "version": "2025.0", + "waypoints": [ + { + "anchor": { + "x": 7.300512295081968, + "y": 3.971055327868852 + }, + "prevControl": null, + "nextControl": { + "x": 6.294286688638351, + "y": 3.9754565484205786 + }, + "isLocked": false, + "linkedName": null + }, + { + "anchor": { + "x": 5.8619877049180324, + "y": 3.971055327868852 + }, + "prevControl": { + "x": 6.836352068635808, + "y": 3.9576132249181755 + }, + "nextControl": null, + "isLocked": false, + "linkedName": null + } + ], + "rotationTargets": [], + "constraintZones": [], + "pointTowardsZones": [], + "eventMarkers": [], + "globalConstraints": { + "maxVelocity": 3.0, + "maxAcceleration": 3.0, + "maxAngularVelocity": 540.0, + "maxAngularAcceleration": 720.0, + "nominalVoltage": 12.0, + "unlimited": false + }, + "goalEndState": { + "velocity": 0, + "rotation": 180.0 + }, + "reversed": false, + "folder": null, + "idealStartingState": { + "velocity": 0, + "rotation": 180.0 + }, + "useDefaultConstraints": true +} \ No newline at end of file diff --git a/src/main/deploy/pathplanner/settings.json b/src/main/deploy/pathplanner/settings.json new file mode 100644 index 0000000..7d80073 --- /dev/null +++ b/src/main/deploy/pathplanner/settings.json @@ -0,0 +1,32 @@ +{ + "robotWidth": 0.9, + "robotLength": 0.9, + "holonomicMode": true, + "pathFolders": [], + "autoFolders": [], + "defaultMaxVel": 3.0, + "defaultMaxAccel": 3.0, + "defaultMaxAngVel": 540.0, + "defaultMaxAngAccel": 720.0, + "defaultNominalVoltage": 12.0, + "robotMass": 74.088, + "robotMOI": 6.883, + "robotTrackwidth": 0.546, + "driveWheelRadius": 0.048, + "driveGearing": 5.143, + "maxDriveSpeed": 5.45, + "driveMotorType": "krakenX60", + "driveCurrentLimit": 60.0, + "wheelCOF": 1.2, + "flModuleX": 0.35, + "flModuleY": 0.267, + "frModuleX": 0.273, + "frModuleY": -0.273, + "blModuleX": -0.273, + "blModuleY": 0.273, + "brModuleX": -0.273, + "brModuleY": -0.273, + "bumperOffsetX": 0.0, + "bumperOffsetY": 0.0, + "robotFeatures": [] +} \ No newline at end of file diff --git a/src/main/java/frc/robot/Telemetry.java b/src/main/java/frc/robot/Telemetry.java new file mode 100644 index 0000000..edf1979 --- /dev/null +++ b/src/main/java/frc/robot/Telemetry.java @@ -0,0 +1,124 @@ +package frc.robot; + +import com.ctre.phoenix6.SignalLogger; +import com.ctre.phoenix6.swerve.SwerveDrivetrain.SwerveDriveState; + +import edu.wpi.first.math.geometry.Pose2d; +import edu.wpi.first.math.kinematics.ChassisSpeeds; +import edu.wpi.first.math.kinematics.SwerveModulePosition; +import edu.wpi.first.math.kinematics.SwerveModuleState; +import edu.wpi.first.networktables.DoubleArrayPublisher; +import edu.wpi.first.networktables.DoublePublisher; +import edu.wpi.first.networktables.NetworkTable; +import edu.wpi.first.networktables.NetworkTableInstance; +import edu.wpi.first.networktables.StringPublisher; +import edu.wpi.first.networktables.StructArrayPublisher; +import edu.wpi.first.networktables.StructPublisher; +import edu.wpi.first.wpilibj.smartdashboard.Mechanism2d; +import edu.wpi.first.wpilibj.smartdashboard.MechanismLigament2d; +import edu.wpi.first.wpilibj.smartdashboard.SmartDashboard; +import edu.wpi.first.wpilibj.util.Color; +import edu.wpi.first.wpilibj.util.Color8Bit; + +public class Telemetry { + private final double MaxSpeed; + + /** + * Construct a telemetry object, with the specified max speed of the robot + * + * @param maxSpeed Maximum speed in meters per second + */ + public Telemetry(double maxSpeed) { + MaxSpeed = maxSpeed; + SignalLogger.start(); + } + + /* What to publish over networktables for telemetry */ + private final NetworkTableInstance inst = NetworkTableInstance.getDefault(); + + /* Robot swerve drive state */ + private final NetworkTable driveStateTable = inst.getTable("DriveState"); + private final StructPublisher drivePose = driveStateTable.getStructTopic("Pose", Pose2d.struct).publish(); + private final StructPublisher driveSpeeds = driveStateTable.getStructTopic("Speeds", ChassisSpeeds.struct).publish(); + private final StructArrayPublisher driveModuleStates = driveStateTable.getStructArrayTopic("ModuleStates", SwerveModuleState.struct).publish(); + private final StructArrayPublisher driveModuleTargets = driveStateTable.getStructArrayTopic("ModuleTargets", SwerveModuleState.struct).publish(); + private final StructArrayPublisher driveModulePositions = driveStateTable.getStructArrayTopic("ModulePositions", SwerveModulePosition.struct).publish(); + private final DoublePublisher driveTimestamp = driveStateTable.getDoubleTopic("Timestamp").publish(); + private final DoublePublisher driveOdometryFrequency = driveStateTable.getDoubleTopic("OdometryFrequency").publish(); + + /* Robot pose for field positioning */ + private final NetworkTable table = inst.getTable("Pose"); + private final DoubleArrayPublisher fieldPub = table.getDoubleArrayTopic("robotPose").publish(); + private final StringPublisher fieldTypePub = table.getStringTopic(".type").publish(); + + /* Mechanisms to represent the swerve module states */ + private final Mechanism2d[] m_moduleMechanisms = new Mechanism2d[] { + new Mechanism2d(1, 1), + new Mechanism2d(1, 1), + new Mechanism2d(1, 1), + new Mechanism2d(1, 1), + }; + /* A direction and length changing ligament for speed representation */ + private final MechanismLigament2d[] m_moduleSpeeds = new MechanismLigament2d[] { + m_moduleMechanisms[0].getRoot("RootSpeed", 0.5, 0.5).append(new MechanismLigament2d("Speed", 0.5, 0)), + m_moduleMechanisms[1].getRoot("RootSpeed", 0.5, 0.5).append(new MechanismLigament2d("Speed", 0.5, 0)), + m_moduleMechanisms[2].getRoot("RootSpeed", 0.5, 0.5).append(new MechanismLigament2d("Speed", 0.5, 0)), + m_moduleMechanisms[3].getRoot("RootSpeed", 0.5, 0.5).append(new MechanismLigament2d("Speed", 0.5, 0)), + }; + /* A direction changing and length constant ligament for module direction */ + private final MechanismLigament2d[] m_moduleDirections = new MechanismLigament2d[] { + m_moduleMechanisms[0].getRoot("RootDirection", 0.5, 0.5) + .append(new MechanismLigament2d("Direction", 0.1, 0, 0, new Color8Bit(Color.kWhite))), + m_moduleMechanisms[1].getRoot("RootDirection", 0.5, 0.5) + .append(new MechanismLigament2d("Direction", 0.1, 0, 0, new Color8Bit(Color.kWhite))), + m_moduleMechanisms[2].getRoot("RootDirection", 0.5, 0.5) + .append(new MechanismLigament2d("Direction", 0.1, 0, 0, new Color8Bit(Color.kWhite))), + m_moduleMechanisms[3].getRoot("RootDirection", 0.5, 0.5) + .append(new MechanismLigament2d("Direction", 0.1, 0, 0, new Color8Bit(Color.kWhite))), + }; + + private final double[] m_poseArray = new double[3]; + private final double[] m_moduleStatesArray = new double[8]; + private final double[] m_moduleTargetsArray = new double[8]; + + /** Accept the swerve drive state and telemeterize it to SmartDashboard and SignalLogger. */ + public void telemeterize(SwerveDriveState state) { + /* Telemeterize the swerve drive state */ + drivePose.set(state.Pose); + driveSpeeds.set(state.Speeds); + driveModuleStates.set(state.ModuleStates); + driveModuleTargets.set(state.ModuleTargets); + driveModulePositions.set(state.ModulePositions); + driveTimestamp.set(state.Timestamp); + driveOdometryFrequency.set(1.0 / state.OdometryPeriod); + + /* Also write to log file */ + m_poseArray[0] = state.Pose.getX(); + m_poseArray[1] = state.Pose.getY(); + m_poseArray[2] = state.Pose.getRotation().getDegrees(); + for (int i = 0; i < 4; ++i) { + m_moduleStatesArray[i*2 + 0] = state.ModuleStates[i].angle.getRadians(); + m_moduleStatesArray[i*2 + 1] = state.ModuleStates[i].speedMetersPerSecond; + m_moduleTargetsArray[i*2 + 0] = state.ModuleTargets[i].angle.getRadians(); + m_moduleTargetsArray[i*2 + 1] = state.ModuleTargets[i].speedMetersPerSecond; + } + + SignalLogger.writeDoubleArray("DriveState/Pose", m_poseArray); + SignalLogger.writeDoubleArray("DriveState/ModuleStates", m_moduleStatesArray); + SignalLogger.writeDoubleArray("DriveState/ModuleTargets", m_moduleTargetsArray); + SignalLogger.writeDouble("DriveState/OdometryPeriod", state.OdometryPeriod, "seconds"); + + /* Telemeterize the pose to a Field2d */ + fieldTypePub.set("Field2d"); + fieldPub.set(m_poseArray); + + /* Telemeterize the module states to a Mechanism2d */ + for (int i = 0; i < 4; ++i) { + m_moduleSpeeds[i].setAngle(state.ModuleStates[i].angle); + m_moduleDirections[i].setAngle(state.ModuleStates[i].angle); + m_moduleSpeeds[i].setLength(state.ModuleStates[i].speedMetersPerSecond / (2 * MaxSpeed)); + + SmartDashboard.putData("Module " + i, m_moduleMechanisms[i]); + } + } +} diff --git a/src/main/java/frc/robot/TunerConstants/TunerConstants.java b/src/main/java/frc/robot/TunerConstants/TunerConstants.java new file mode 100644 index 0000000..fb38c67 --- /dev/null +++ b/src/main/java/frc/robot/TunerConstants/TunerConstants.java @@ -0,0 +1,286 @@ +package frc.robot.TunerConstants; + +import static edu.wpi.first.units.Units.*; + +import com.ctre.phoenix6.CANBus; +import com.ctre.phoenix6.configs.*; +import com.ctre.phoenix6.hardware.*; +import com.ctre.phoenix6.signals.*; +import com.ctre.phoenix6.swerve.*; +import com.ctre.phoenix6.swerve.SwerveModuleConstants.*; + +import edu.wpi.first.math.Matrix; +import edu.wpi.first.math.numbers.N1; +import edu.wpi.first.math.numbers.N3; +import edu.wpi.first.units.measure.*; + +import frc.robot.subsystems.CommandSwerveDrivetrain; + +// Generated by the Tuner X Swerve Project Generator +// https://v6.docs.ctr-electronics.com/en/stable/docs/tuner/tuner-swerve/index.html +public class TunerConstants { + // Both sets of gains need to be tuned to your individual robot. + + // The steer motor uses any SwerveModule.SteerRequestType control request with the + // output type specified by SwerveModuleConstants.SteerMotorClosedLoopOutput + private static final Slot0Configs steerGains = new Slot0Configs() + .withKP(100).withKI(0).withKD(0.5) + .withKS(0.1).withKV(1.91).withKA(0) + .withStaticFeedforwardSign(StaticFeedforwardSignValue.UseClosedLoopSign); + // When using closed-loop control, the drive motor uses the control + // output type specified by SwerveModuleConstants.DriveMotorClosedLoopOutput + private static final Slot0Configs driveGains = new Slot0Configs() + .withKP(0.1).withKI(0).withKD(0) + .withKS(0).withKV(0.124); + + // The closed-loop output type to use for the steer motors; + // This affects the PID/FF gains for the steer motors + private static final ClosedLoopOutputType kSteerClosedLoopOutput = ClosedLoopOutputType.Voltage; + // The closed-loop output type to use for the drive motors; + // This affects the PID/FF gains for the drive motors + private static final ClosedLoopOutputType kDriveClosedLoopOutput = ClosedLoopOutputType.Voltage; + + // The type of motor used for the drive motor + private static final DriveMotorArrangement kDriveMotorType = DriveMotorArrangement.TalonFX_Integrated; + // The type of motor used for the drive motor + private static final SteerMotorArrangement kSteerMotorType = SteerMotorArrangement.TalonFX_Integrated; + + // The remote sensor feedback type to use for the steer motors; + // When not Pro-licensed, Fused*/Sync* automatically fall back to Remote* + private static final SteerFeedbackType kSteerFeedbackType = SteerFeedbackType.FusedCANcoder; + + // The stator current at which the wheels start to slip; + // This needs to be tuned to your individual robot + private static final Current kSlipCurrent = Amps.of(120.0); + + // Initial configs for the drive and steer motors and the azimuth encoder; these cannot be null. + // Some configs will be overwritten; check the `with*InitialConfigs()` API documentation. + private static final TalonFXConfiguration driveInitialConfigs = new TalonFXConfiguration(); + private static final TalonFXConfiguration steerInitialConfigs = new TalonFXConfiguration() + .withCurrentLimits( + new CurrentLimitsConfigs() + // Swerve azimuth does not require much torque output, so we can set a relatively low + // stator current limit to help avoid brownouts without impacting performance. + .withStatorCurrentLimit(Amps.of(60)) + .withStatorCurrentLimitEnable(true) + ); + private static final CANcoderConfiguration encoderInitialConfigs = new CANcoderConfiguration(); + // Configs for the Pigeon 2; leave this null to skip applying Pigeon 2 configs + private static final Pigeon2Configuration pigeonConfigs = null; + + // CAN bus that the devices are located on; + // All swerve devices must share the same CAN bus + public static final CANBus kCANBus = new CANBus("swerve", "./logs/example.hoot"); + + // Theoretical free speed (m/s) at 12 V applied output; + // This needs to be tuned to your individual robot + public static final LinearVelocity kSpeedAt12Volts = MetersPerSecond.of(5.21); + + // Every 1 rotation of the azimuth results in kCoupleRatio drive motor turns; + // This may need to be tuned to your individual robot + private static final double kCoupleRatio = 0; + + private static final double kDriveGearRatio = 6.122448979591837; + private static final double kSteerGearRatio = 15.42857142857143; + private static final Distance kWheelRadius = Inches.of(2); + + private static final boolean kInvertLeftSide = false; + private static final boolean kInvertRightSide = true; + + private static final int kPigeonId = 13; + + // These are only used for simulation + private static final MomentOfInertia kSteerInertia = KilogramSquareMeters.of(0.01); + private static final MomentOfInertia kDriveInertia = KilogramSquareMeters.of(0.01); + // Simulated voltage necessary to overcome friction + private static final Voltage kSteerFrictionVoltage = Volts.of(0.2); + private static final Voltage kDriveFrictionVoltage = Volts.of(0.2); + + public static final SwerveDrivetrainConstants DrivetrainConstants = new SwerveDrivetrainConstants() + .withCANBusName(kCANBus.getName()) + .withPigeon2Id(kPigeonId) + .withPigeon2Configs(pigeonConfigs); + + private static final SwerveModuleConstantsFactory ConstantCreator = + new SwerveModuleConstantsFactory() + .withDriveMotorGearRatio(kDriveGearRatio) + .withSteerMotorGearRatio(kSteerGearRatio) + .withCouplingGearRatio(kCoupleRatio) + .withWheelRadius(kWheelRadius) + .withSteerMotorGains(steerGains) + .withDriveMotorGains(driveGains) + .withSteerMotorClosedLoopOutput(kSteerClosedLoopOutput) + .withDriveMotorClosedLoopOutput(kDriveClosedLoopOutput) + .withSlipCurrent(kSlipCurrent) + .withSpeedAt12Volts(kSpeedAt12Volts) + .withDriveMotorType(kDriveMotorType) + .withSteerMotorType(kSteerMotorType) + .withFeedbackSource(kSteerFeedbackType) + .withDriveMotorInitialConfigs(driveInitialConfigs) + .withSteerMotorInitialConfigs(steerInitialConfigs) + .withEncoderInitialConfigs(encoderInitialConfigs) + .withSteerInertia(kSteerInertia) + .withDriveInertia(kDriveInertia) + .withSteerFrictionVoltage(kSteerFrictionVoltage) + .withDriveFrictionVoltage(kDriveFrictionVoltage); + + + // Front Left + private static final int kFrontLeftDriveMotorId = 2; + private static final int kFrontLeftSteerMotorId = 6; + private static final int kFrontLeftEncoderId = 9; + private static final Angle kFrontLeftEncoderOffset = Rotations.of(-0.046142578125); + private static final boolean kFrontLeftSteerMotorInverted = true; + private static final boolean kFrontLeftEncoderInverted = false; + + private static final Distance kFrontLeftXPos = Inches.of(13.75); + private static final Distance kFrontLeftYPos = Inches.of(13.75); + + // Front Right + private static final int kFrontRightDriveMotorId = 4; + private static final int kFrontRightSteerMotorId = 5; + private static final int kFrontRightEncoderId = 12; + private static final Angle kFrontRightEncoderOffset = Rotations.of(-0.116455078125); + private static final boolean kFrontRightSteerMotorInverted = true; + private static final boolean kFrontRightEncoderInverted = false; + + private static final Distance kFrontRightXPos = Inches.of(13.75); + private static final Distance kFrontRightYPos = Inches.of(-13.75); + + // Back Left + private static final int kBackLeftDriveMotorId = 3; + private static final int kBackLeftSteerMotorId = 7; + private static final int kBackLeftEncoderId = 10; + private static final Angle kBackLeftEncoderOffset = Rotations.of(-0.046630859375); + private static final boolean kBackLeftSteerMotorInverted = true; + private static final boolean kBackLeftEncoderInverted = false; + + private static final Distance kBackLeftXPos = Inches.of(-13.75); + private static final Distance kBackLeftYPos = Inches.of(13.75); + + // Back Right + private static final int kBackRightDriveMotorId = 18; + private static final int kBackRightSteerMotorId = 8; + private static final int kBackRightEncoderId = 11; + private static final Angle kBackRightEncoderOffset = Rotations.of(-0.016357421875); + private static final boolean kBackRightSteerMotorInverted = true; + private static final boolean kBackRightEncoderInverted = false; + + private static final Distance kBackRightXPos = Inches.of(-13.75); + private static final Distance kBackRightYPos = Inches.of(-13.75); + + + public static final SwerveModuleConstants FrontLeft = + ConstantCreator.createModuleConstants( + kFrontLeftSteerMotorId, kFrontLeftDriveMotorId, kFrontLeftEncoderId, kFrontLeftEncoderOffset, + kFrontLeftXPos, kFrontLeftYPos, kInvertLeftSide, kFrontLeftSteerMotorInverted, kFrontLeftEncoderInverted + ); + public static final SwerveModuleConstants FrontRight = + ConstantCreator.createModuleConstants( + kFrontRightSteerMotorId, kFrontRightDriveMotorId, kFrontRightEncoderId, kFrontRightEncoderOffset, + kFrontRightXPos, kFrontRightYPos, kInvertRightSide, kFrontRightSteerMotorInverted, kFrontRightEncoderInverted + ); + public static final SwerveModuleConstants BackLeft = + ConstantCreator.createModuleConstants( + kBackLeftSteerMotorId, kBackLeftDriveMotorId, kBackLeftEncoderId, kBackLeftEncoderOffset, + kBackLeftXPos, kBackLeftYPos, kInvertLeftSide, kBackLeftSteerMotorInverted, kBackLeftEncoderInverted + ); + public static final SwerveModuleConstants BackRight = + ConstantCreator.createModuleConstants( + kBackRightSteerMotorId, kBackRightDriveMotorId, kBackRightEncoderId, kBackRightEncoderOffset, + kBackRightXPos, kBackRightYPos, kInvertRightSide, kBackRightSteerMotorInverted, kBackRightEncoderInverted + ); + + /** + * Creates a CommandSwerveDrivetrain instance. + * This should only be called once in your robot program,. + */ + public static CommandSwerveDrivetrain createDrivetrain() { + return new CommandSwerveDrivetrain( + DrivetrainConstants, FrontLeft, FrontRight, BackLeft, BackRight + ); + } + + + /** + * Swerve Drive class utilizing CTR Electronics' Phoenix 6 API with the selected device types. + */ + public static class TunerSwerveDrivetrain extends SwerveDrivetrain { + /** + * Constructs a CTRE SwerveDrivetrain using the specified constants. + *

+ * This constructs the underlying hardware devices, so users should not construct + * the devices themselves. If they need the devices, they can access them through + * getters in the classes. + * + * @param drivetrainConstants Drivetrain-wide constants for the swerve drive + * @param modules Constants for each specific module + */ + public TunerSwerveDrivetrain( + SwerveDrivetrainConstants drivetrainConstants, + SwerveModuleConstants... modules + ) { + super( + TalonFX::new, TalonFX::new, CANcoder::new, + drivetrainConstants, modules + ); + } + + /** + * Constructs a CTRE SwerveDrivetrain using the specified constants. + *

+ * This constructs the underlying hardware devices, so users should not construct + * the devices themselves. If they need the devices, they can access them through + * getters in the classes. + * + * @param drivetrainConstants Drivetrain-wide constants for the swerve drive + * @param odometryUpdateFrequency The frequency to run the odometry loop. If + * unspecified or set to 0 Hz, this is 250 Hz on + * CAN FD, and 100 Hz on CAN 2.0. + * @param modules Constants for each specific module + */ + public TunerSwerveDrivetrain( + SwerveDrivetrainConstants drivetrainConstants, + double odometryUpdateFrequency, + SwerveModuleConstants... modules + ) { + super( + TalonFX::new, TalonFX::new, CANcoder::new, + drivetrainConstants, odometryUpdateFrequency, modules + ); + } + + /** + * Constructs a CTRE SwerveDrivetrain using the specified constants. + *

+ * This constructs the underlying hardware devices, so users should not construct + * the devices themselves. If they need the devices, they can access them through + * getters in the classes. + * + * @param drivetrainConstants Drivetrain-wide constants for the swerve drive + * @param odometryUpdateFrequency The frequency to run the odometry loop. If + * unspecified or set to 0 Hz, this is 250 Hz on + * CAN FD, and 100 Hz on CAN 2.0. + * @param odometryStandardDeviation The standard deviation for odometry calculation + * in the form [x, y, theta]ᵀ, with units in meters + * and radians + * @param visionStandardDeviation The standard deviation for vision calculation + * in the form [x, y, theta]ᵀ, with units in meters + * and radians + * @param modules Constants for each specific module + */ + public TunerSwerveDrivetrain( + SwerveDrivetrainConstants drivetrainConstants, + double odometryUpdateFrequency, + Matrix odometryStandardDeviation, + Matrix visionStandardDeviation, + SwerveModuleConstants... modules + ) { + super( + TalonFX::new, TalonFX::new, CANcoder::new, + drivetrainConstants, odometryUpdateFrequency, + odometryStandardDeviation, visionStandardDeviation, modules + ); + } + } +} diff --git a/src/main/java/frc/robot/subsystems/CommandSwerveDrivetrain.java b/src/main/java/frc/robot/subsystems/CommandSwerveDrivetrain.java new file mode 100644 index 0000000..023db69 --- /dev/null +++ b/src/main/java/frc/robot/subsystems/CommandSwerveDrivetrain.java @@ -0,0 +1,294 @@ +package frc.robot.subsystems; + +import static edu.wpi.first.units.Units.*; + +import java.util.function.Supplier; + +import com.ctre.phoenix6.SignalLogger; +import com.ctre.phoenix6.Utils; +import com.ctre.phoenix6.swerve.SwerveDrivetrainConstants; +import com.ctre.phoenix6.swerve.SwerveModuleConstants; +import com.ctre.phoenix6.swerve.SwerveRequest; + +import com.pathplanner.lib.auto.AutoBuilder; +import com.pathplanner.lib.config.PIDConstants; +import com.pathplanner.lib.config.RobotConfig; +import com.pathplanner.lib.controllers.PPHolonomicDriveController; + +import edu.wpi.first.math.Matrix; +import edu.wpi.first.math.geometry.Rotation2d; +import edu.wpi.first.math.numbers.N1; +import edu.wpi.first.math.numbers.N3; +import edu.wpi.first.wpilibj.DriverStation; +import edu.wpi.first.wpilibj.DriverStation.Alliance; +import edu.wpi.first.wpilibj.Notifier; +import edu.wpi.first.wpilibj.RobotController; +import edu.wpi.first.wpilibj2.command.Command; +import edu.wpi.first.wpilibj2.command.Subsystem; +import edu.wpi.first.wpilibj2.command.sysid.SysIdRoutine; +import frc.robot.TunerConstants.TunerConstants.TunerSwerveDrivetrain; + +/** + * Class that extends the Phoenix 6 SwerveDrivetrain class and implements + * Subsystem so it can easily be used in command-based projects. + */ +public class CommandSwerveDrivetrain extends TunerSwerveDrivetrain implements Subsystem { + + private static final double kSimLoopPeriod = 0.005; // 5 ms + private Notifier m_simNotifier = null; + private double m_lastSimTime; + + /* Blue alliance sees forward as 0 degrees (toward red alliance wall) */ + private static final Rotation2d kBlueAlliancePerspectiveRotation = Rotation2d.kZero; + /* Red alliance sees forward as 180 degrees (toward blue alliance wall) */ + private static final Rotation2d kRedAlliancePerspectiveRotation = Rotation2d.k180deg; + /* Keep track if we've ever applied the operator perspective before or not */ + private boolean m_hasAppliedOperatorPerspective = false; + + private final SwerveRequest.ApplyRobotSpeeds m_pathApplyRobotSpeeds = new SwerveRequest.ApplyRobotSpeeds(); + + /* Swerve requests to apply during SysId characterization */ + private final SwerveRequest.SysIdSwerveTranslation m_translationCharacterization = new SwerveRequest.SysIdSwerveTranslation(); + private final SwerveRequest.SysIdSwerveSteerGains m_steerCharacterization = new SwerveRequest.SysIdSwerveSteerGains(); + private final SwerveRequest.SysIdSwerveRotation m_rotationCharacterization = new SwerveRequest.SysIdSwerveRotation(); + + /* SysId routine for characterizing translation. This is used to find PID gains for the drive motors. */ + private final SysIdRoutine m_sysIdRoutineTranslation = new SysIdRoutine( + new SysIdRoutine.Config( + null, // Use default ramp rate (1 V/s) + Volts.of(4), // Reduce dynamic step voltage to 4 V to prevent brownout + null, // Use default timeout (10 s) + // Log state with SignalLogger class + state -> SignalLogger.writeString("SysIdTranslation_State", state.toString()) + ), + new SysIdRoutine.Mechanism( + output -> setControl(m_translationCharacterization.withVolts(output)), + null, + this + ) + ); + + /* SysId routine for characterizing steer. This is used to find PID gains for the steer motors. */ + private final SysIdRoutine m_sysIdRoutineSteer = new SysIdRoutine( + new SysIdRoutine.Config( + null, // Use default ramp rate (1 V/s) + Volts.of(7), // Use dynamic voltage of 7 V + null, // Use default timeout (10 s) + // Log state with SignalLogger class + state -> SignalLogger.writeString("SysIdSteer_State", state.toString()) + ), + new SysIdRoutine.Mechanism( + volts -> setControl(m_steerCharacterization.withVolts(volts)), + null, + this + ) + ); + + /* + * SysId routine for characterizing rotation. + * This is used to find PID gains for the FieldCentricFacingAngle HeadingController. + * See the documentation of SwerveRequest.SysIdSwerveRotation for info on importing the log to SysId. + */ + private final SysIdRoutine m_sysIdRoutineRotation = new SysIdRoutine( + new SysIdRoutine.Config( + /* This is in radians per second², but SysId only supports "volts per second" */ + Volts.of(Math.PI / 6).per(Second), + /* This is in radians per second, but SysId only supports "volts" */ + Volts.of(Math.PI), + null, // Use default timeout (10 s) + // Log state with SignalLogger class + state -> SignalLogger.writeString("SysIdRotation_State", state.toString()) + ), + new SysIdRoutine.Mechanism( + output -> { + /* output is actually radians per second, but SysId only supports "volts" */ + setControl(m_rotationCharacterization.withRotationalRate(output.in(Volts))); + /* also log the requested output for SysId */ + SignalLogger.writeDouble("Rotational_Rate", output.in(Volts)); + }, + null, + this + ) + ); + + private void configureAutoBuilder() { + try { + var config = RobotConfig.fromGUISettings(); + AutoBuilder.configure( + () -> getState().Pose, // Supplier of current robot pose + this::resetPose, // Consumer for seeding pose against auto + () -> getState().Speeds, // Supplier of current robot speeds + // Consumer of ChassisSpeeds and feedforwards to drive the robot + (speeds, feedforwards) -> setControl( + m_pathApplyRobotSpeeds.withSpeeds(speeds) + .withWheelForceFeedforwardsX(feedforwards.robotRelativeForcesXNewtons()) + .withWheelForceFeedforwardsY(feedforwards.robotRelativeForcesYNewtons()) + ), + new PPHolonomicDriveController( + // PID constants for translation + new PIDConstants(10, 0, 0), + // PID constants for rotation + new PIDConstants(7, 0, 0) + ), + config, + // Assume the path needs to be flipped for Red vs Blue, this is normally the case + () -> DriverStation.getAlliance().orElse(Alliance.Blue) == Alliance.Red, + this // Subsystem for requirements + ); + } catch (Exception ex) { + DriverStation.reportError("Failed to load PathPlanner config and configure AutoBuilder", ex.getStackTrace()); + } + } + + /* The SysId routine to test */ + private SysIdRoutine m_sysIdRoutineToApply = m_sysIdRoutineTranslation; + + /** + * Constructs a CTRE SwerveDrivetrain using the specified constants. + *

+ * This constructs the underlying hardware devices, so users should not construct + * the devices themselves. If they need the devices, they can access them through + * getters in the classes. + * + * @param drivetrainConstants Drivetrain-wide constants for the swerve drive + * @param modules Constants for each specific module + */ + public CommandSwerveDrivetrain( + SwerveDrivetrainConstants drivetrainConstants, + SwerveModuleConstants... modules + ) { + super(drivetrainConstants, modules); + if (Utils.isSimulation()) { + startSimThread(); + } + configureAutoBuilder(); + } + + /** + * Constructs a CTRE SwerveDrivetrain using the specified constants. + *

+ * This constructs the underlying hardware devices, so users should not construct + * the devices themselves. If they need the devices, they can access them through + * getters in the classes. + * + * @param drivetrainConstants Drivetrain-wide constants for the swerve drive + * @param odometryUpdateFrequency The frequency to run the odometry loop. If + * unspecified or set to 0 Hz, this is 250 Hz on + * CAN FD, and 100 Hz on CAN 2.0. + * @param modules Constants for each specific module + */ + public CommandSwerveDrivetrain( + SwerveDrivetrainConstants drivetrainConstants, + double odometryUpdateFrequency, + SwerveModuleConstants... modules + ) { + super(drivetrainConstants, odometryUpdateFrequency, modules); + if (Utils.isSimulation()) { + startSimThread(); + } + configureAutoBuilder(); + } + + /** + * Constructs a CTRE SwerveDrivetrain using the specified constants. + *

+ * This constructs the underlying hardware devices, so users should not construct + * the devices themselves. If they need the devices, they can access them through + * getters in the classes. + * + * @param drivetrainConstants Drivetrain-wide constants for the swerve drive + * @param odometryUpdateFrequency The frequency to run the odometry loop. If + * unspecified or set to 0 Hz, this is 250 Hz on + * CAN FD, and 100 Hz on CAN 2.0. + * @param odometryStandardDeviation The standard deviation for odometry calculation + * in the form [x, y, theta]ᵀ, with units in meters + * and radians + * @param visionStandardDeviation The standard deviation for vision calculation + * in the form [x, y, theta]ᵀ, with units in meters + * and radians + * @param modules Constants for each specific module + */ + public CommandSwerveDrivetrain( + SwerveDrivetrainConstants drivetrainConstants, + double odometryUpdateFrequency, + Matrix odometryStandardDeviation, + Matrix visionStandardDeviation, + SwerveModuleConstants... modules + ) { + super(drivetrainConstants, odometryUpdateFrequency, odometryStandardDeviation, visionStandardDeviation, modules); + if (Utils.isSimulation()) { + startSimThread(); + } + configureAutoBuilder(); + } + + + + /** + * Returns a command that applies the specified control request to this swerve drivetrain. + * + * @param request Function returning the request to apply + * @return Command to run + */ + public Command applyRequest(Supplier requestSupplier) { + return run(() -> this.setControl(requestSupplier.get())); + } + + /** + * Runs the SysId Quasistatic test in the given direction for the routine + * specified by {@link #m_sysIdRoutineToApply}. + * + * @param direction Direction of the SysId Quasistatic test + * @return Command to run + */ + public Command sysIdQuasistatic(SysIdRoutine.Direction direction) { + return m_sysIdRoutineToApply.quasistatic(direction); + } + + /** + * Runs the SysId Dynamic test in the given direction for the routine + * specified by {@link #m_sysIdRoutineToApply}. + * + * @param direction Direction of the SysId Dynamic test + * @return Command to run + */ + public Command sysIdDynamic(SysIdRoutine.Direction direction) { + return m_sysIdRoutineToApply.dynamic(direction); + } + + @Override + public void periodic() { + /* + * Periodically try to apply the operator perspective. + * If we haven't applied the operator perspective before, then we should apply it regardless of DS state. + * This allows us to correct the perspective in case the robot code restarts mid-match. + * Otherwise, only check and apply the operator perspective if the DS is disabled. + * This ensures driving behavior doesn't change until an explicit disable event occurs during testing. + */ + if (!m_hasAppliedOperatorPerspective || DriverStation.isDisabled()) { + DriverStation.getAlliance().ifPresent(allianceColor -> { + setOperatorPerspectiveForward( + allianceColor == Alliance.Red + ? kRedAlliancePerspectiveRotation + : kBlueAlliancePerspectiveRotation + ); + m_hasAppliedOperatorPerspective = true; + }); + } + } + + private void startSimThread() { + m_lastSimTime = Utils.getCurrentTimeSeconds(); + + /* Run simulation at a faster rate so PID gains behave more reasonably */ + m_simNotifier = new Notifier(() -> { + final double currentTime = Utils.getCurrentTimeSeconds(); + double deltaTime = currentTime - m_lastSimTime; + m_lastSimTime = currentTime; + + /* use the measured time delta, get battery voltage from WPILib */ + updateSimState(deltaTime, RobotController.getBatteryVoltage()); + }); + m_simNotifier.startPeriodic(kSimLoopPeriod); + } +}