java: Added Java Examples for a couple of sensors

Signed-off-by: Stefan Andritoiu <stefan.andritoiu@intel.com>
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>

examples/java/Ublox6Sample.java

@@ -0,0 +1,83 @@
+/*
+ * Author: Stefan Andritoiu <stefan.andritoiu@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.
+ */
+
+//NOT TESTED!!!
+public class Ublox6Sample {
+	private static final int BUFFERLENGTH = 256; 
+	
+	static {
+		try {
+			System.loadLibrary("javaupm_ublox6");
+		}catch (UnsatisfiedLinkError e) {
+			System.err.println("error in loading native library");
+			System.exit(-1);
+		}
+	}
+	
+	public static void main(String[] args) throws InterruptedException {
+		//! [Interesting]
+		// Instantiate a Ublox6 GPS device on uart 0
+		upm_ublox6.Ublox6 nmea = new upm_ublox6.Ublox6(0);
+		
+		// make sure port is initialized properly.  9600 baud is the default.
+	    if(!nmea.setupTty()){
+			throw new RuntimeException("Failed to setup tty port parameters");
+	    }
+		   
+		// Collect and output NMEA data.  There are various libraries out on
+		// the Internet, such as tinyGPS or tinyGPS++ that can handle
+		// decoding NMEA data and presenting it in a more easily accessible
+		// format.  This example will just check for, and read raw NMEA data
+		// from the device and output it on standard output.
+		
+		// This device also supports numerous configuration options, which
+		// you can set with writeData().  Please refer to the Ublox-6 data
+		// sheet for further information on the formats of the data sent and
+		// received, and the various operating modes available.
+
+		byte[] nmeaBuffer = new byte[BUFFERLENGTH];
+		
+		while(true){
+			// we don't want the read to block in this example, so always
+			// check to see if data is available first.
+			if (nmea.dataAvailable()){
+				int rv = nmea.readData(nmeaBuffer);
+
+				if(rv > 0)
+					for (int i = 0; i < nmeaBuffer.length; i++)
+						System.out.print(nmeaBuffer[i]);
+						
+				if (rv < 0){ // some sort of read error occured
+					System.err.println("Port read error.") ;
+					break;
+				}
+				continue;
+			}
+			
+			Thread.sleep(1000);
+		}
+		//! [Interesting]
+	}
+
+}