X-Git-Url: http://challenge-bot.com/repos/?p=3501%2F2017steamworks;a=blobdiff_plain;f=src%2Forg%2Fusfirst%2Ffrc%2Fteam3501%2Frobot%2Fsubsystems%2FShooter.java;h=6397292049a78637fe675af773033a382d605268;hp=561448a81a11714fae9bf28e4b35cf0fdb5a8314;hb=7ba6bc91b8cf7205e05cdb974dc80fdd668ebe59;hpb=79ba119a3b75a1cf9866fc701399d05ed450233f diff --git a/src/org/usfirst/frc/team3501/robot/subsystems/Shooter.java b/src/org/usfirst/frc/team3501/robot/subsystems/Shooter.java index 561448a..6397292 100644 --- a/src/org/usfirst/frc/team3501/robot/subsystems/Shooter.java +++ b/src/org/usfirst/frc/team3501/robot/subsystems/Shooter.java @@ -1,5 +1,143 @@ package org.usfirst.frc.team3501.robot.subsystems; -public class Shooter { +import org.usfirst.frc.team3501.robot.Constants; +import org.usfirst.frc.team3501.robot.MathLib; +import org.usfirst.frc.team3501.robot.utils.HallEffectSensor; +import org.usfirst.frc.team3501.robot.utils.PIDController; +import com.ctre.CANTalon; + +import edu.wpi.first.wpilibj.command.Subsystem; + +public class Shooter extends Subsystem { + public double wheelP = 0.00007, wheelI = 0, wheelD = 0.0008; + private static Shooter shooter; + private static HallEffectSensor hallEffect; + private final CANTalon flyWheel1, flyWheel2, indexWheel; + + private PIDController wheelController; + + private static final double RPM_THRESHOLD = 10; + private static final double DEFAULT_INDEXING_MOTOR_VALUE = -0.75; + private static final double DEFAULT_SHOOTING_SPEED = 2700; // rpm + private static final double SHOOTING_SPEED_INCREMENT = 25; + + private double targetShootingSpeed = DEFAULT_SHOOTING_SPEED; + private double currentShooterMotorValue = 0; + + private Shooter() { + flyWheel1 = new CANTalon(Constants.Shooter.FLY_WHEEL1); + flyWheel2 = new CANTalon(Constants.Shooter.FLY_WHEEL2); + indexWheel = new CANTalon(Constants.Shooter.INDEX_WHEEL); + + hallEffect = new HallEffectSensor(Constants.Shooter.HALL_EFFECT_PORT, 1); + } + + /** + * Returns shooter object + * + * @return Shooter object + */ + public static Shooter getShooter() { + if (shooter == null) { + shooter = new Shooter(); + } + return shooter; + } + + /** + * Sets fly wheel motor value to input. + * + * @param val + * motor value from -1 to 1(fastest forward) + */ + public void setFlyWheelMotorVal(double val) { + val = MathLib.restrictToRange(val, 0.0, 1.0); + flyWheel1.set(val); + flyWheel2.set(val); + } + + /** + * Stops fly wheel motor. + */ + public void stopFlyWheel() { + flyWheel1.set(0); + flyWheel2.set(0); + } + + /** + * Sets index wheel motor value to input. + * + * @param val + * motor value from -1 to 1(fastest forward) + */ + public void setIndexWheelMotorVal(double val) { + val = MathLib.restrictToRange(val, -1.0, 1.0); + indexWheel.set(val); + } + + /** + * Stops index wheel motor. + */ + public void stopIndexWheel() { + indexWheel.set(0); + } + + @Override + protected void initDefaultCommand() { + + } + + public double getRPMThreshold() { + return RPM_THRESHOLD; + } + + public double getShooterRPM() { + return hallEffect.getRPM(); + } + + public void setTargetShootingSpeed(double Value) { + targetShootingSpeed = Value; + } + + public void decrementTargetShootingSpeed() { + this.targetShootingSpeed -= this.SHOOTING_SPEED_INCREMENT; + } + + public void incrementTargetShootingSpeed() { + this.targetShootingSpeed += this.SHOOTING_SPEED_INCREMENT; + } + + public void resetTargetShootingSpeed() { + this.targetShootingSpeed = this.DEFAULT_SHOOTING_SPEED; + } + + public double getTargetShootingSpeed() { + return targetShootingSpeed; + } + + public void reverseIndexWheel() { + this.setIndexWheelMotorVal(-DEFAULT_INDEXING_MOTOR_VALUE); + } + + public void runIndexWheel() { + this.setIndexWheelMotorVal(DEFAULT_INDEXING_MOTOR_VALUE); + } + + public double calculateShooterSpeed() { + this.wheelController.setSetPoint(targetShootingSpeed); + double calculatedShooterIncrement = this.wheelController + .calcPID(this.getShooterRPM()); + currentShooterMotorValue += calculatedShooterIncrement; + return currentShooterMotorValue; + } + + public void initializePIDController() { + this.wheelController = new PIDController(wheelP, wheelI, wheelD); + this.wheelController.setDoneRange(10); + this.wheelController.setMaxOutput(1.0); + this.wheelController.setMinDoneCycles(3); + this.wheelController.setSetPoint(this.targetShootingSpeed); + this.currentShooterMotorValue = 0; + } }