code review changes and add code for braking cantalons

[3501/2017steamworks] / src / org / usfirst / frc / team3501 / robot / subsystems / DriveTrain.java

diff --git a/src/org/usfirst/frc/team3501/robot/subsystems/DriveTrain.java b/src/org/usfirst/frc/team3501/robot/subsystems/DriveTrain.java
index f25d548a865257b9271de8a1381cdc2f4da85b65..bad303aebe622f0db77aa8a41d45e79b92c68325 100644 (file)
--- a/src/org/usfirst/frc/team3501/robot/subsystems/DriveTrain.java
+++ b/src/org/usfirst/frc/team3501/robot/subsystems/DriveTrain.java
@@ -1,35 +1,48 @@
 package org.usfirst.frc.team3501.robot.subsystems;
 
 import org.usfirst.frc.team3501.robot.Constants;
+import org.usfirst.frc.team3501.robot.MathLib;
 import org.usfirst.frc.team3501.robot.commands.driving.JoystickDrive;
 
 import com.ctre.CANTalon;
 
 import edu.wpi.first.wpilibj.ADXRS450_Gyro;
 import edu.wpi.first.wpilibj.DoubleSolenoid;
+import edu.wpi.first.wpilibj.DoubleSolenoid.Value;
 import edu.wpi.first.wpilibj.Encoder;
 import edu.wpi.first.wpilibj.RobotDrive;
 import edu.wpi.first.wpilibj.command.Subsystem;
 
 public class DriveTrain extends Subsystem {
-  public static double driveP = 0.006, driveI = 0.001, driveD = -0.002;
-  public static double defaultGyroP = 0.004, defaultGyroI = 0.0013,
-      defaultGyroD = -0.005;
-  private double gyroZero = 0;
-
-  public static final double WHEEL_DIAMETER = 6; // inches
-  public static final int ENCODER_PULSES_PER_REVOLUTION = 256;
+  public static double driveP = 0.012, driveI = 0.0011, driveD = -0.002;
+  public static double smallTurnP = 0.004, smallTurnI = 0.0013,
+      smallTurnD = 0.005;
+  public static double largeTurnP = .003, largeTurnI = .0012, largeTurnD = .006;
+  public static double driveStraightGyroP = 0.01;
+
+  public static final double WHEEL_DIAMETER = 4; // inches
+  public static final double ENCODER_PULSES_PER_REVOLUTION = 256;
   public static final double INCHES_PER_PULSE = WHEEL_DIAMETER * Math.PI
       / ENCODER_PULSES_PER_REVOLUTION;
 
+  public static final double MAINTAIN_CLIMBED_POSITION = 0;
+  public static final double TIME_TO_CLIMB_FOR = 0;
+  public static final double CLIMBER_SPEED = 0;
+
+  public static final boolean DRIVE_BRAKE_MODE = true;
+  public static final boolean DRIVE_COAST_MODE = false;
+
   private static DriveTrain driveTrain;
+
   private final CANTalon frontLeft, frontRight, rearLeft, rearRight;
   private final RobotDrive robotDrive;
   private final Encoder leftEncoder, rightEncoder;
-  private final DoubleSolenoid shifter;
+  private final DoubleSolenoid leftGearPiston, rightGearPiston;
 
   private ADXRS450_Gyro imu;
 
+  public boolean shouldBeClimbing = false;
+
   private DriveTrain() {
     // MOTOR CONTROLLERS
     frontLeft = new CANTalon(Constants.DriveTrain.FRONT_LEFT);
@@ -50,8 +63,14 @@ public class DriveTrain extends Subsystem {
     robotDrive = new RobotDrive(frontLeft, rearLeft, frontRight, rearRight);
 
     this.imu = new ADXRS450_Gyro(Constants.DriveTrain.GYRO_PORT);
-    shifter = DoubleSolenoid(10, Constants.DriveTrain.SHIFTER_FORWARD,
-        Constants.DriveTrain.SHIFTER_REVERSE);
+
+    // TODO: Not sure if MODULE_NUMBER should be the same for both
+    leftGearPiston = new DoubleSolenoid(Constants.DriveTrain.PISTON_MODULE,
+        Constants.DriveTrain.LEFT_GEAR_PISTON_FORWARD,
+        Constants.DriveTrain.LEFT_GEAR_PISTON_REVERSE);
+    rightGearPiston = new DoubleSolenoid(Constants.DriveTrain.PISTON_MODULE,
+        Constants.DriveTrain.RIGHT_GEAR_PISTON_FORWARD,
+        Constants.DriveTrain.RIGHT_GEAR_PISTON_REVERSE);
   }
 
   public static DriveTrain getDriveTrain() {
@@ -62,7 +81,10 @@ public class DriveTrain extends Subsystem {
   }
 
   // DRIVE METHODS
-  public void setMotorValues(final double left, final double right) {
+  public void setMotorValues(double left, double right) {
+    left = MathLib.restrictToRange(left, -1.0, 1.0);
+    right = MathLib.restrictToRange(right, -1.0, 1.0);
+
     frontLeft.set(left);
     rearLeft.set(left);
 
@@ -97,9 +119,9 @@ public class DriveTrain extends Subsystem {
   }
 
   public void printEncoderOutput() {
-    // System.out.println("left: " + getLeftEncoderDistance());
-    // System.out.println("right: " + getRightEncoderDistance());
-    System.out.println(getAvgEncoderDistance());
+    System.out.println("left: " + getLeftEncoderDistance());
+    System.out.println("right: " + getRightEncoderDistance());
+    // System.out.println(getAvgEncoderDistance());
   }
 
   public double getAvgEncoderDistance() {
@@ -125,15 +147,49 @@ public class DriveTrain extends Subsystem {
 
   // ------Gyro------//
   public double getAngle() {
-    return this.imu.getAngle() - this.gyroZero;
+    return this.imu.getAngle();
   }
 
   public void resetGyro() {
     this.imu.reset();
   }
 
-  public double getZeroAngle() {
-    return this.gyroZero;
+  /*
+   * @return a value that is the current setpoint for the piston kReverse or
+   * KForward
+   */
+  public Value getLeftGearPistonValue() {
+    return leftGearPiston.get();
+  }
+
+  /*
+   * @return a value that is the current setpoint for the piston kReverse or
+   * KForward
+   */
+  public Value getRightGearPistonValue() {
+    return rightGearPiston.get();
+  }
+
+  /*
+   * Changes the ball shift gear assembly to high
+   */
+  public void setHighGear() {
+    changeGear(Constants.DriveTrain.HIGH_GEAR);
+  }
+
+  /*
+   * Changes the ball shift gear assembly to low
+   */
+  public void setLowGear() {
+    changeGear(Constants.DriveTrain.LOW_GEAR);
+  }
+
+  /*
+   * Changes the gear to a DoubleSolenoid.Value
+   */
+  private void changeGear(DoubleSolenoid.Value gear) {
+    leftGearPiston.set(gear);
+    rightGearPiston.set(gear);
   }
 
   @Override
@@ -141,4 +197,11 @@ public class DriveTrain extends Subsystem {
     setDefaultCommand(new JoystickDrive());
   }
 
+  public void setCANTalonsBrakeMode(boolean mode) {
+    frontLeft.enableBrakeMode(mode);
+    rearLeft.enableBrakeMode(mode);
+
+    frontRight.enableBrakeMode(mode);
+    rearRight.enableBrakeMode(mode);
+  }
 }