Java: Adding an example for the Grove Q-Touch sensor (v 1.0)

Signed-off-by: Abhishek Malik <abhishek.malik@intel.com>

examples/java/GroveQTouch.java

@@ -0,0 +1,81 @@
+/*
+ * Author: Abhishek Malik <abhishek.malik@intel.com>
+ * Copyright (c) 2015 Intel Corporation.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+import upm_at42qt1070.AT42QT1070;
+
+public class GroveQTouch {
+
+	static {
+		try {
+			System.loadLibrary("javaupm_at42qt1070");
+			System.loadLibrary("mraajava");
+		} catch (UnsatisfiedLinkError e) {
+			System.err.println(
+					"Native code library failed to load. See the chapter on Dynamic Linking Problems in the SWIG Java documentation for help.\n" +
+							e);
+			System.exit(1);
+		}
+	}
+
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		// Instantiating the Q Touch sensor on the I2C bus 0
+		AT42QT1070 touch = new AT42QT1070(0, (short) 0x1b);
+		short pressedButtons;
+
+		// ! [Interesting]
+		while(true){
+			touch.updateState();
+			printButtons(touch.getButtons());
+			try {
+				Thread.sleep(1000);
+			} catch (InterruptedException e) {
+				// TODO Auto-generated catch block
+				e.printStackTrace();
+			}
+		}
+		// ! [Interesting]
+	}
+
+	/**
+	 * This function prints out the button numbers from 0 through 6
+	 * @param buttonNumber
+	 */
+	public static void printButtons(int buttonNumber){
+		boolean buttonPressed = false;
+		System.out.print("Button Pressed: ");
+		for(int i=0;i<7;i++){
+			if((buttonNumber & (1<<i)) != 0){
+				System.out.println(i+" ");
+				buttonPressed = true;
+			}
+		}
+
+
+
+		if(!buttonPressed){
+			System.out.println("None ");
+		}
+	}
+}