wrist command???

src/main/java/frc/robot/subsystems/WristSubsystem.java

@@ -0,0 +1,86 @@
+package frc.robot.subsystems;
+
+public // 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 frc.robot.subsystems;
+
+import com.ctre.phoenix.motorcontrol.NeutralMode;
+import com.ctre.phoenix.motorcontrol.TalonFXControlMode;
+import com.ctre.phoenix.motorcontrol.can.TalonFX;
+import edu.wpi.first.math.MathUtil;
+import edu.wpi.first.math.controller.PIDController;
+import edu.wpi.first.wpilibj.shuffleboard.Shuffleboard;
+import edu.wpi.first.wpilibj.shuffleboard.ShuffleboardTab;
+import edu.wpi.first.wpilibj2.command.SubsystemBase;
+import frc.robot.Constants;
+import frc.robot.Constants.Wrist;
+
+public class WristSubsystem extends SubsystemBase {
+  /** Creates a new WristSubsystem. */
+  private double targetAngle;
+
+  private final ShuffleboardTab WristTab = Shuffleboard.getTab("Wrist");
+
+  private double currentAngle;
+  private TalonFX wrist_motor;
+  private PIDController pidController;
+  private double motorPower;
+
+  public WristSubsystem() {
+
+    this.targetAngle = targetAngle;
+    this.wrist_motor = new TalonFX(Constants.Wrist.WRIST_MOTOR_DEVICE_NUMBER);
+    this.wrist_motor.configFactoryDefault();
+    this.wrist_motor.clearStickyFaults();
+    this.wrist_motor.configForwardSoftLimitThreshold(0);
+    this.wrist_motor.configReverseSoftLimitThreshold(degreesToTicks(90));
+    this.wrist_motor.configReverseSoftLimitEnable(true, 0);
+    this.wrist_motor.configForwardSoftLimitEnable(true, 0);
+    this.wrist_motor.setNeutralMode(NeutralMode.Coast);
+    this.wrist_motor.setSelectedSensorPosition(0);
+    this.wrist_motor.configOpenloopRamp(.5); // can't go from 0 to 1 instantly
+
+    pidController = new PIDController(0.1, 0, 0);
+    WristTab.add(pidController);
+    WristTab.addNumber("Current Motor Position", wrist_motor::getSelectedSensorPosition);
+    WristTab.addBoolean("Is at target", this::nearTargetAngle);
+    WristTab.addNumber("Target Angle", () -> this.targetAngle);
+}
+
+  public static double degreesToTicks(double angle) {
+    return (angle*360d)/((Wrist.GEAR_RATIO * Wrist.TICKS));
+  }
+
+  public void setTargetAngle(double targetAngle) {
+    this.targetAngle = targetAngle;
+    pidController.setSetpoint(targetAngle);
+  }
+
+  public static double ticksToDegrees(double ticks) {
+    return ((ticks / Wrist.TICKS) * Wrist.GEAR_RATIO*360);
+  }
+
+  private double getCurrentAngle() {
+    currentAngle = ticksToDegrees(wrist_motor.getSelectedSensorPosition());
+    return currentAngle;
+  }
+
+  public boolean nearTargetAngle() {
+    if (targetAngle - 0.5 <= getCurrentAngle() && getCurrentAngle() <= targetAngle + 0.5)
+      return true;
+    return false;
+  }
+
+  @Override
+  public void periodic() {
+    // calculates motor power
+    motorPower = pidController.calculate(getCurrentAngle());
+    // This method will be called once per scheduler run
+    wrist_motor.set(TalonFXControlMode.PercentOutput, -(MathUtil.clamp(motorPower, -0.5, 0.5)));
+  }
+}
+ {
+
+}