package swervelib.motors; import com.ctre.phoenix.motorcontrol.ControlMode; import com.ctre.phoenix.motorcontrol.DemandType; import com.ctre.phoenix.motorcontrol.FeedbackDevice; import com.ctre.phoenix.motorcontrol.NeutralMode; import com.ctre.phoenix.motorcontrol.StatusFrameEnhanced; import com.ctre.phoenix.motorcontrol.can.TalonSRXConfiguration; import com.ctre.phoenix.motorcontrol.can.WPI_TalonSRX; import edu.wpi.first.math.system.plant.DCMotor; import swervelib.encoders.SwerveAbsoluteEncoder; import swervelib.encoders.TalonSRXEncoderSwerve; import swervelib.math.SwerveMath; import swervelib.parser.PIDFConfig; import swervelib.parser.json.modules.ConversionFactorsJson; import swervelib.telemetry.SwerveDriveTelemetry; /** * {@link com.ctre.phoenix.motorcontrol.can.WPI_TalonSRX} Swerve Motor. */ public class TalonSRXSwerve extends SwerveMotor { /** * Factory default already occurred. */ private final boolean factoryDefaultOccurred = false; /** * Current TalonSRX configuration. */ private final TalonSRXConfiguration configuration = new TalonSRXConfiguration(); /** * Whether the absolute encoder is integrated. */ private boolean absoluteEncoder = false; /** * TalonSRX motor controller. */ private final WPI_TalonSRX motor; /** * The position conversion factor to convert raw sensor units to Meters Per 100ms, or Ticks to Degrees. */ private double positionConversionFactor = 1; /** * Module Conversion factors to use. */ private ConversionFactorsJson moduleConversionFactors; /** * If the TalonSRX configuration has changed. */ private boolean configChanged = true; /** * Nominal voltage default to use with feedforward. */ private double nominalVoltage = 12.0; /** * Constructor for TalonSRX swerve motor. * * @param motor Motor to use. * @param isDriveMotor Whether this motor is a drive motor. * @param motorType {@link DCMotor} which the {@link WPI_TalonSRX} is attached to. */ public TalonSRXSwerve(WPI_TalonSRX motor, boolean isDriveMotor, DCMotor motorType) { this.isDriveMotor = isDriveMotor; this.motor = motor; this.simMotor = motorType; motor.configSelectedFeedbackSensor(FeedbackDevice.QuadEncoder); factoryDefaults(); clearStickyFaults(); } /** * Construct the TalonSRX swerve motor given the ID. * * @param id ID of the TalonSRX on the canbus. * @param isDriveMotor Whether the motor is a drive or steering motor. * @param motorType {@link DCMotor} which the {@link WPI_TalonSRX} is attached to. */ public TalonSRXSwerve(int id, boolean isDriveMotor, DCMotor motorType) { this(new WPI_TalonSRX(id), isDriveMotor, motorType); } @Override public void close() { motor.close(); } /** * Configure the factory defaults. */ @Override public void factoryDefaults() { if (!factoryDefaultOccurred) { motor.configFactoryDefault(); motor.setSensorPhase(true); } } /** * Clear the sticky faults on the motor controller. */ @Override public void clearStickyFaults() { motor.clearStickyFaults(); } /** * Set the absolute encoder to be a compatible absolute encoder. * * @param encoder The encoder to use. */ @Override public SwerveMotor setAbsoluteEncoder(SwerveAbsoluteEncoder encoder) { absoluteEncoder = encoder instanceof TalonSRXEncoderSwerve; // Do not support. return this; } /** * Configure the integrated encoder for the swerve module. Sets the conversion factors for position and velocity. * * @param positionConversionFactor The conversion factor to apply for position. *


* Degrees:
* * 360 / (angleGearRatio * encoderTicksPerRotation) *
*


* Meters:
* * (Math.PI * wheelDiameter) / (driveGearRatio * encoderTicksPerRotation) * */ @Override public void configureIntegratedEncoder(double positionConversionFactor) { this.positionConversionFactor = positionConversionFactor; // Taken from democat's library. // https://github.com/democat3457/swerve-lib/blob/7c03126b8c22f23a501b2c2742f9d173a5bcbc40/src/main/java/com/swervedrivespecialties/swervelib/ctre/Falcon500DriveControllerFactoryBuilder.java#L16 configureCANStatusFrames(250); } /** * Set the CAN status frames. * * @param CANStatus1 Applied Motor Output, Fault Information, Limit Switch Information */ public void configureCANStatusFrames(int CANStatus1) { motor.setStatusFramePeriod(StatusFrameEnhanced.Status_1_General, CANStatus1); } /** * Set the CAN status frames. * * @param CANStatus1 Applied Motor Output, Fault Information, Limit Switch Information * @param CANStatus2 Selected Sensor Position (PID 0), Selected Sensor Velocity (PID 0), Brushed Supply Current * Measurement, Sticky Fault Information * @param CANStatus3 Quadrature Information * @param CANStatus4 Analog Input, Supply Battery Voltage, Controller Temperature * @param CANStatus8 Pulse Width Information * @param CANStatus10 Motion Profiling/Motion Magic Information * @param CANStatus12 Selected Sensor Position (Aux PID 1), Selected Sensor Velocity (Aux PID 1) * @param CANStatus13 PID0 (Primary PID) Information * @param CANStatus14 PID1 (Auxiliary PID) Information * @param CANStatus21 Integrated Sensor Position (Talon FX), Integrated Sensor Velocity (Talon FX) * @param CANStatusCurrent Brushless Supply Current Measurement, Brushless Stator Current Measurement */ public void configureCANStatusFrames(int CANStatus1, int CANStatus2, int CANStatus3, int CANStatus4, int CANStatus8, int CANStatus10, int CANStatus12, int CANStatus13, int CANStatus14, int CANStatus21, int CANStatusCurrent) { motor.setStatusFramePeriod(StatusFrameEnhanced.Status_1_General, CANStatus1); motor.setStatusFramePeriod(StatusFrameEnhanced.Status_2_Feedback0, CANStatus2); motor.setStatusFramePeriod(StatusFrameEnhanced.Status_3_Quadrature, CANStatus3); motor.setStatusFramePeriod(StatusFrameEnhanced.Status_4_AinTempVbat, CANStatus4); motor.setStatusFramePeriod(StatusFrameEnhanced.Status_8_PulseWidth, CANStatus8); motor.setStatusFramePeriod(StatusFrameEnhanced.Status_10_Targets, CANStatus10); motor.setStatusFramePeriod(StatusFrameEnhanced.Status_12_Feedback1, CANStatus12); motor.setStatusFramePeriod(StatusFrameEnhanced.Status_13_Base_PIDF0, CANStatus13); motor.setStatusFramePeriod(StatusFrameEnhanced.Status_14_Turn_PIDF1, CANStatus14); motor.setStatusFramePeriod(StatusFrameEnhanced.Status_21_FeedbackIntegrated, CANStatus21); motor.setStatusFramePeriod(StatusFrameEnhanced.Status_Brushless_Current, CANStatusCurrent); // TODO: Configure Status Frame 2 thru 21 if necessary // https://v5.docs.ctr-electronics.com/en/stable/ch18_CommonAPI.html#setting-status-frame-periods } /** * Configure the PIDF values for the closed loop controller. 0 is disabled or off. * * @param config Configuration class holding the PIDF values. */ @Override public void configurePIDF(PIDFConfig config) { configuration.slot0.kP = config.p; configuration.slot0.kI = config.i; configuration.slot0.kD = config.d; configuration.slot0.kF = config.f; configuration.slot0.integralZone = config.iz; configuration.slot0.closedLoopPeakOutput = config.output.max; configChanged = true; } /** * Configure the PID wrapping for the position closed loop controller. * * @param minInput Minimum PID input. * @param maxInput Maximum PID input. */ @Override public void configurePIDWrapping(double minInput, double maxInput) { // Do nothing } /** * Disable PID Wrapping on the motor. */ @Override public void disablePIDWrapping() { // Do nothing } /** * Set the idle mode. * * @param isBrakeMode Set the brake mode. */ @Override public void setMotorBrake(boolean isBrakeMode) { motor.setNeutralMode(isBrakeMode ? NeutralMode.Brake : NeutralMode.Coast); } /** * Set the motor to be inverted. * * @param inverted State of inversion. */ @Override public void setInverted(boolean inverted) { motor.setInverted(inverted); } /** * Save the configurations from flash to EEPROM. */ @Override public void burnFlash() { if (configChanged) { motor.configAllSettings(configuration, 250); configChanged = false; } } /** * Set the percentage output. * * @param percentOutput percent out for the motor controller. */ @Override public void set(double percentOutput) { motor.set(percentOutput); } /** * Convert the setpoint into native sensor units. * * @param setpoint Setpoint to mutate. In meters per second or degrees. * @param position Position in degrees, only used on angle motors. * @return Setpoint as native sensor units. Encoder ticks per 100ms, or Encoder tick. */ public double convertToNativeSensorUnits(double setpoint, double position) { setpoint = isDriveMotor ? setpoint * .1 : SwerveMath.placeInAppropriate0To360Scope(position, setpoint); return setpoint / positionConversionFactor; } /** * Set the closed loop PID controller reference point. * * @param setpoint Setpoint in MPS or Angle in degrees. * @param feedforward Feedforward in volt-meter-per-second or kV. */ @Override public void setReference(double setpoint, double feedforward) { setReference(setpoint, feedforward, getPosition()); } /** * Set the closed loop PID controller reference point. * * @param setpoint Setpoint in meters per second or angle in degrees. * @param feedforward Feedforward in volt-meter-per-second or kV. * @param position Only used on the angle motor, the position of the motor in degrees. */ @Override public void setReference(double setpoint, double feedforward, double position) { burnFlash(); motor.set( isDriveMotor ? ControlMode.Velocity : ControlMode.Position, convertToNativeSensorUnits(setpoint, position), DemandType.ArbitraryFeedForward, feedforward / nominalVoltage); } /** * Get the voltage output of the motor controller. * * @return Voltage output. */ @Override public double getVoltage() { return motor.getMotorOutputVoltage(); } /** * Set the voltage of the motor. * * @param voltage Voltage to set. */ @Override public void setVoltage(double voltage) { motor.setVoltage(voltage); } /** * Get the applied dutycycle output. * * @return Applied dutycycle output to the motor. */ @Override public double getAppliedOutput() { return motor.getMotorOutputPercent(); } /** * Get the velocity of the integrated encoder. * * @return velocity in Meters Per Second, or Degrees per Second. */ @Override public double getVelocity() { return (motor.getSelectedSensorVelocity() * 10) * positionConversionFactor; } /** * Get the position of the integrated encoder. * * @return Position in Meters or Degrees. */ @Override public double getPosition() { if (isDriveMotor) { return motor.getSelectedSensorPosition() * positionConversionFactor; } else { var pos = motor.getSelectedSensorPosition() * positionConversionFactor; return pos; } } /** * Set the integrated encoder position. * * @param position Integrated encoder position. Should be angle in degrees or meters. */ @Override public void setPosition(double position) { if (!absoluteEncoder && !SwerveDriveTelemetry.isSimulation) { motor.setSelectedSensorPosition(position / positionConversionFactor, 0, 0); } } /** * Set the voltage compensation for the swerve module motor. * * @param nominalVoltage Nominal voltage for operation to output to. */ @Override public void setVoltageCompensation(double nominalVoltage) { configuration.voltageCompSaturation = nominalVoltage; configChanged = true; this.nominalVoltage = nominalVoltage; } /** * Set the current limit for the swerve drive motor, remember this may cause jumping if used in conjunction with * voltage compensation. This is useful to protect the motor from current spikes. * * @param currentLimit Current limit in AMPS at free speed. */ @Override public void setCurrentLimit(int currentLimit) { configuration.continuousCurrentLimit = currentLimit; configuration.peakCurrentLimit = currentLimit; configChanged = true; } /** * Set the maximum rate the open/closed loop output can change by. * * @param rampRate Time in seconds to go from 0 to full throttle. */ @Override public void setLoopRampRate(double rampRate) { configuration.closedloopRamp = rampRate; configuration.openloopRamp = rampRate; configChanged = true; } /** * Set the selected feedback device for the TalonSRX. * * @param feedbackDevice Feedback device to select. */ public void setSelectedFeedbackDevice(FeedbackDevice feedbackDevice) { configuration.primaryPID.selectedFeedbackSensor = feedbackDevice; configChanged = true; } /** * Get the motor object from the module. * * @return Motor object. */ @Override public Object getMotor() { return motor; } /** * Get the {@link DCMotor} of the motor class. * * @return {@link DCMotor} of this type. */ @Override public DCMotor getSimMotor() { if (simMotor == null) { simMotor = DCMotor.getCIM(1); } return simMotor; } /** * Queries whether the absolute encoder is directly attached to the motor controller. * * @return connected absolute encoder state. */ @Override public boolean usingExternalFeedbackSensor() { return absoluteEncoder; } }