Pushed some testing & coding ideas

src/control/Buttons.java

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+package control;
+
+import java.util.ArrayList;
+
+import com.pi4j.io.gpio.GpioController;
+import com.pi4j.io.gpio.GpioFactory;
+import com.pi4j.io.gpio.GpioPinDigitalInput;
+import com.pi4j.io.gpio.RaspiPin;
+
+public class Buttons {
+	private ArrayList<GpioPinDigitalInput> buttons;
+	private final GpioController rpi = GpioFactory.getInstance();
+	/**
+	 Pin numbering below *not used yet, just for remembering the pin numbers*
+	 */
+	//arcade buttons
+	private final int button1 = 29;
+	private final int button2 = 28;
+	private final int button3 = 27;
+	private final int button4 = 25;
+	private final int button5 = 24;
+	private final int button6 = 23;
+	//joystick
+	private final int joystickleft = 26;
+	private final int joystickup = 22;
+	private final int joystickright = 21;
+	private final int joystickdown = 11;
+	//start-stop button
+	private final int buttonstart = 10;
+	
+	public Buttons(){
+		buttons = new ArrayList<GpioPinDigitalInput>();
+		buttons.add(rpi.provisionDigitalInputPin(RaspiPin.GPIO_29 , "button1"));
+		buttons.add(rpi.provisionDigitalInputPin(RaspiPin.GPIO_28 , "button2"));
+		buttons.add(rpi.provisionDigitalInputPin(RaspiPin.GPIO_27 , "button3"));
+		buttons.add(rpi.provisionDigitalInputPin(RaspiPin.GPIO_25 , "button4"));
+		buttons.add(rpi.provisionDigitalInputPin(RaspiPin.GPIO_24 , "button5"));
+		buttons.add(rpi.provisionDigitalInputPin(RaspiPin.GPIO_23 , "button6"));
+		buttons.add(rpi.provisionDigitalInputPin(RaspiPin.GPIO_26 , "joystickleft"));
+		buttons.add(rpi.provisionDigitalInputPin(RaspiPin.GPIO_22 , "joystickup"));
+		buttons.add(rpi.provisionDigitalInputPin(RaspiPin.GPIO_21 , "joystickright"));
+		buttons.add(rpi.provisionDigitalInputPin(RaspiPin.GPIO_11 , "joystickdown"));
+		buttons.add(rpi.provisionDigitalInputPin(RaspiPin.GPIO_10 , "buttonstart"));
+	}
+}

src/control/Buttontest.java

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+package control;
+
+import com.pi4j.io.gpio.GpioController;
+import com.pi4j.io.gpio.GpioFactory;
+import com.pi4j.io.gpio.GpioPinDigitalInput;
+import com.pi4j.io.gpio.RaspiPin;
+import com.pi4j.io.gpio.event.GpioPinDigitalStateChangeEvent;
+import com.pi4j.io.gpio.event.GpioPinListenerDigital;
+
+public class Buttontest{
+	
+	final GpioController rpi = GpioFactory.getInstance();
+	public Buttontest(){
+		  GpioPinDigitalInput button1 = rpi.provisionDigitalInputPin(	RaspiPin.GPIO_07,             
+				  														"button1"); 
+		  button1.addListener(new GpioPinListenerDigital() {
+			@Override
+			public void handleGpioPinDigitalStateChangeEvent(GpioPinDigitalStateChangeEvent e){
+				System.out.println(e.getPin());
+				System.out.println(e.getSource());
+				System.out.println(e.getState());
+			}
+		});	
+		  while(true){
+			  
+		  }
+	}
+
+}