Calibration constants class and tunablenumber

TunableNumber utility - change constant from shuffleboard

Added calibration constants class

src/main/java/frc4388/robot/constants/Constants.java

@@ -102,6 +102,11 @@ public final class Constants {
 
     }
 
+     public static final class CalibrationConstants{
+        public static final double FIXED_DISTANCE_Y = 0;
+        public static final double FIXED_DISTANCE_X = 0;
+     }
+
     public static final class LEDConstants {
         public static final int LED_SPARK_ID = 9;
 

src/main/java/frc4388/utility/configurable/TunableNumber.java

@@ -0,0 +1,31 @@
+package frc4388.utility.configurable;
+import frc4388.robot.constants.Constants;
+import edu.wpi.first.networktables.GenericEntry;
+import edu.wpi.first.wpilibj.shuffleboard.BuiltInWidgets;
+import edu.wpi.first.wpilibj.shuffleboard.ComplexWidget;
+import edu.wpi.first.wpilibj.shuffleboard.Shuffleboard;
+import edu.wpi.first.wpilibj.shuffleboard.ShuffleboardTab;
+
+public class TunableNumber {
+    private final String name;
+    private final ShuffleboardTab tab;
+    private final double defaultValue;
+    private GenericEntry entry;
+
+    public TunableNumber(String tabName, String name, double defaultValue) {
+        this.name = name;
+        this.tab = Shuffleboard.getTab(tabName);
+        this.defaultValue = defaultValue;
+        this.entry = tab.add(name, defaultValue)
+                        .withWidget(BuiltInWidgets.kTextView)
+                        .getEntry();
+    }   
+
+    public double get() {
+        return entry.getDouble(defaultValue);
+    }  
+
+    public void set(double value) {
+        entry.setDouble(value);
+    }
+}