code review changes and add code for braking cantalons
[3501/2017steamworks] / src / org / usfirst / frc / team3501 / robot / subsystems / DriveTrain.java
index b0113e8ed66312fc74931f0b79c101b56f08c4f8..bad303aebe622f0db77aa8a41d45e79b92c68325 100644 (file)
@@ -1,6 +1,7 @@
 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;
@@ -13,12 +14,14 @@ 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 turnP = 0.004, turnI = 0.0013, turnD = -0.005;
+  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 = 6; // inches
-  public static final int ENCODER_PULSES_PER_REVOLUTION = 256;
+  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;
 
@@ -26,6 +29,9 @@ public class DriveTrain extends Subsystem {
   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;
@@ -35,7 +41,7 @@ public class DriveTrain extends Subsystem {
 
   private ADXRS450_Gyro imu;
 
-  public boolean shouldBeClimbing;
+  public boolean shouldBeClimbing = false;
 
   private DriveTrain() {
     // MOTOR CONTROLLERS
@@ -59,10 +65,10 @@ public class DriveTrain extends Subsystem {
     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.MODULE_NUMBER,
+    leftGearPiston = new DoubleSolenoid(Constants.DriveTrain.PISTON_MODULE,
         Constants.DriveTrain.LEFT_GEAR_PISTON_FORWARD,
         Constants.DriveTrain.LEFT_GEAR_PISTON_REVERSE);
-    rightGearPiston = new DoubleSolenoid(Constants.DriveTrain.MODULE_NUMBER,
+    rightGearPiston = new DoubleSolenoid(Constants.DriveTrain.PISTON_MODULE,
         Constants.DriveTrain.RIGHT_GEAR_PISTON_FORWARD,
         Constants.DriveTrain.RIGHT_GEAR_PISTON_REVERSE);
   }
@@ -75,7 +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);
 
@@ -187,4 +196,12 @@ public class DriveTrain extends Subsystem {
   protected void initDefaultCommand() {
     setDefaultCommand(new JoystickDrive());
   }
+
+  public void setCANTalonsBrakeMode(boolean mode) {
+    frontLeft.enableBrakeMode(mode);
+    rearLeft.enableBrakeMode(mode);
+
+    frontRight.enableBrakeMode(mode);
+    rearRight.enableBrakeMode(mode);
+  }
 }