+++ /dev/null
-package org.usfirst.frc.team3501.robot.subsystems;
-
-import edu.wpi.first.wpilibj.AnalogInput;
-
-// TODO: Change certain reactions based on testing, ie what value(s) return true
-// and what value(s) return false.
-
-/***
- * The photogate is a pair of IR LED and phototransistor sensor that uses a
- * reflective method to sense the presence of the boulder within the robot's
- * shooting chamber. This class specifically checks for the ball's presence
- * using a threshold of voltages outputted from the phototransistor.
- *
- * @author niyatisriram
- */
-public class Photogate extends AnalogInput {
-
- private double threshold;
-
- /***
- * The constructor inputs the channel of the transistor and the threshold
- * value.
- * The threshold is a specific value, representing the outputted voltage of
- * the phototransistor. This value will be somewhere within the range [0,
- * 4095] Find the value by testing and finding an average value for which the
- * ball is present when the output is greater, and absent when the output is
- * less.
- */
- public Photogate(int channel, int threshold) {
- super(channel);
- this.threshold = threshold;
- }
-
- /***
- * @return whether the ball is present or not
- */
- public boolean isBallPresent() {
- if (this.getValue() > threshold)
- return true;
- else
- return false;
-
- }
-
- /***
- * @param threshold
- * (range [0, 4095]
- */
- public void setThreshold(int threshold) {
- this.threshold = threshold;
- }
-}