X-Git-Url: http://challenge-bot.com/repos/?a=blobdiff_plain;f=src%2Forg%2Fusfirst%2Ffrc%2Fteam3501%2Frobot%2Fsubsystems%2FDriveTrain.java;h=bad303aebe622f0db77aa8a41d45e79b92c68325;hb=f56e6ebf87134eccc3b8bb0e1d2529bd6cb061dd;hp=d3d9edf18618f4f61946aefcb2650eb6424af36e;hpb=04f2cb523a708eec75184e1531d4886e6d66f9de;p=3501%2F2017steamworks

diff --git a/src/org/usfirst/frc/team3501/robot/subsystems/DriveTrain.java b/src/org/usfirst/frc/team3501/robot/subsystems/DriveTrain.java
index d3d9edf..bad303a 100644
--- a/src/org/usfirst/frc/team3501/robot/subsystems/DriveTrain.java
+++ b/src/org/usfirst/frc/team3501/robot/subsystems/DriveTrain.java
@@ -1,30 +1,207 @@
 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 = 0.012, 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 CANTalon frontLeft, frontRight, rearLeft, rearRight;
+
+  private final CANTalon frontLeft, frontRight, rearLeft, rearRight;
+  private final RobotDrive robotDrive;
+  private final Encoder leftEncoder, rightEncoder;
+  private final DoubleSolenoid leftGearPiston, rightGearPiston;
+
+  private ADXRS450_Gyro imu;
+
+  public boolean shouldBeClimbing = false;
 
   private DriveTrain() {
+    // MOTOR CONTROLLERS
     frontLeft = new CANTalon(Constants.DriveTrain.FRONT_LEFT);
     frontRight = new CANTalon(Constants.DriveTrain.FRONT_RIGHT);
     rearLeft = new CANTalon(Constants.DriveTrain.REAR_LEFT);
     rearRight = new CANTalon(Constants.DriveTrain.REAR_RIGHT);
+
+    // ENCODERS
+    leftEncoder = new Encoder(Constants.DriveTrain.ENCODER_LEFT_A,
+        Constants.DriveTrain.ENCODER_LEFT_B, false, Encoder.EncodingType.k4X);
+    rightEncoder = new Encoder(Constants.DriveTrain.ENCODER_RIGHT_A,
+        Constants.DriveTrain.ENCODER_RIGHT_B, false, Encoder.EncodingType.k4X);
+
+    leftEncoder.setDistancePerPulse(INCHES_PER_PULSE);
+    rightEncoder.setDistancePerPulse(INCHES_PER_PULSE);
+
+    // ROBOT DRIVE
+    robotDrive = new RobotDrive(frontLeft, rearLeft, frontRight, rearRight);
+
+    this.imu = new ADXRS450_Gyro(Constants.DriveTrain.GYRO_PORT);
+
+    // 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() {
-    if (driveTrain == null)
+    if (driveTrain == null) {
       driveTrain = new DriveTrain();
+    }
     return driveTrain;
   }
 
+  // DRIVE METHODS
+  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);
+
+    frontRight.set(-right);
+    rearRight.set(-right);
+  }
+
+  public void joystickDrive(final double thrust, final double twist) {
+    robotDrive.arcadeDrive(thrust, twist, true);
+  }
+
+  public void stop() {
+    setMotorValues(0, 0);
+  }
+
+  public double getLeftMotorVal() {
+    return (frontLeft.get() + rearLeft.get()) / 2;
+  }
+
+  public double getRightMotorVal() {
+    return (frontRight.get() + rearRight.get()) / 2;
+  }
+
+  // ENCODER METHODS
+
+  public double getLeftEncoderDistance() {
+    return leftEncoder.getDistance();
+  }
+
+  public double getRightEncoderDistance() {
+    return rightEncoder.getDistance();
+  }
+
+  public void printEncoderOutput() {
+    System.out.println("left: " + getLeftEncoderDistance());
+    System.out.println("right: " + getRightEncoderDistance());
+    // System.out.println(getAvgEncoderDistance());
+  }
+
+  public double getAvgEncoderDistance() {
+    return (leftEncoder.getDistance() + rightEncoder.getDistance()) / 2;
+  }
+
+  public void resetEncoders() {
+    leftEncoder.reset();
+    rightEncoder.reset();
+  }
+
+  public double getLeftSpeed() {
+    return leftEncoder.getRate();
+  }
+
+  public double getRightSpeed() {
+    return rightEncoder.getRate();
+  }
+
+  public double getSpeed() {
+    return (getLeftSpeed() + getRightSpeed()) / 2.0;
+  }
+
+  // ------Gyro------//
+  public double getAngle() {
+    return this.imu.getAngle();
+  }
+
+  public void resetGyro() {
+    this.imu.reset();
+  }
+
+  /*
+   * @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
   protected void initDefaultCommand() {
+    setDefaultCommand(new JoystickDrive());
   }
 
+  public void setCANTalonsBrakeMode(boolean mode) {
+    frontLeft.enableBrakeMode(mode);
+    rearLeft.enableBrakeMode(mode);
+
+    frontRight.enableBrakeMode(mode);
+    rearRight.enableBrakeMode(mode);
+  }
 }