Adds partial support for the Falcon PiCap V2.

src/main/java/com/pi4j/drivers/hat/falcon/PiCapV2.java

@@ -0,0 +1,79 @@
+package com.pi4j.drivers.hat.falcon;
+
+import java.io.Closeable;
+
+import com.pi4j.context.Context;
+import com.pi4j.drivers.display.graphics.GraphicsDisplay;
+import com.pi4j.drivers.display.graphics.GraphicsDisplayDriver;
+import com.pi4j.drivers.display.graphics.ssd1306.Ssd1306Driver;
+import com.pi4j.drivers.sensor.geospatial.mcp7941x.Mcp7941xDriver;
+import com.pi4j.io.i2c.I2C;
+import com.pi4j.io.i2c.I2CConfigBuilder;
+
+import com.pi4j.drivers.input.GameController;
+
+/**
+ * Configured drivers for the display and game controls on a Falcon PiCap V2
+ * https://pixelcontroller.com/store/featured/99-falcon-picap-v2.html other i2c device at: 50 == 24c256 - eeprom -
+ * contains licenses for DPIPixels
+ */
+
+public class PiCapV2 implements Closeable {
+
+    private final Context pi4j;
+    private GameController controller;
+    private GraphicsDisplayDriver displayDriver;
+    private GraphicsDisplay display;
+    private Mcp7941xDriver realTimeClock;
+
+    public PiCapV2(Context pi4j) {
+        this.pi4j = pi4j;
+    }
+
+    public GameController getController() {
+        if (controller == null) {
+            GameController.Builder builder = new GameController.Builder(pi4j);
+            builder.addGndSwitch(GameController.Key.DOWN, 22).addGndSwitch(GameController.Key.UP, 23)
+                    .addGndSwitch(GameController.Key.ENTER, 24).addGndSwitch(GameController.Key.TEST, 25)
+                    .addGndSwitch(GameController.Key.BACK, 27);
+            controller = builder.build();
+        }
+        return controller;
+    }
+
+    public GraphicsDisplayDriver getDisplayDriver() {
+        if (displayDriver == null) {
+            I2C i2c = pi4j.create(I2CConfigBuilder.newInstance(pi4j).bus(1).device(0x3c).build());
+            displayDriver = new Ssd1306Driver(i2c);
+        }
+        return displayDriver;
+    }
+
+    public GraphicsDisplay getDisplay() {
+        if (display == null) {
+            display = new GraphicsDisplay(getDisplayDriver());
+        }
+        return display;
+    }
+
+    public Mcp7941xDriver getRealTimeClock() {
+        if (realTimeClock == null) {
+            I2C i2c = pi4j.create(I2CConfigBuilder.newInstance(pi4j).bus(1).device(0x6f).build());
+            realTimeClock = new Mcp7941xDriver(i2c);
+        }
+        return realTimeClock;
+    }
+
+    @Override
+    public void close() {
+        if (controller != null) {
+            controller.close();
+        }
+
+        if (display != null) {
+            display.close();
+        } else if (displayDriver != null) {
+            displayDriver.close();
+        }
+    }
+}

src/main/java/com/pi4j/drivers/input/GameController.java

@@ -29,13 +29,16 @@ public enum Key {
         RIGHT,
         UP,
         DOWN,
+	ENTER,
+	BACK,
         CENTER,
         A,
         B,
         X,
         Y,
         SELECT,
         START,
+	TEST,
         KEY_1,
         KEY_2,
         KEY_3,