java: Added java samples and applied coding style rules to all previous samples

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

examples/java/HM11Sample.java

@@ -0,0 +1,105 @@
+/*
+ * 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 HM11Sample {
+
+	private static final int BUFSIZ = 1024;
+
+	static {
+		try {
+			System.loadLibrary("javaupm_hm11");
+		} catch (UnsatisfiedLinkError e) {
+			System.err.println("error in loading native library");
+			System.exit(-1);
+		}
+	}
+
+	private static void printUsage() {
+		System.out.println("Usage: java HM11Sample [AT command]");
+
+		System.out.println("If an argument is supplied on the command line, that argument is");
+		System.out.println("sent to the module and the response is printed out.");
+		System.out.println("If no argument is used, then the address and PIN of the module");
+		System.out.println("are queried and the results printed out.");
+
+	}
+
+	private static void sendCommand(upm_hm11.HM11 ble, byte[] cmd) {
+		byte[] buffer = new byte[BUFSIZ];
+		ble.writeData(cmd);
+
+		// wait up to 1 second
+		if (ble.dataAvailable(1000)) {
+			ble.readData(buffer);
+		} else {
+			System.err.println("Timed out waiting for response");
+		}
+
+	}
+
+	public static void main(String[] args) throws InterruptedException {
+		// ! [Interesting]
+		// Instantiate a HM11 BLE Module on UART 0
+		upm_hm11.HM11 ble = new upm_hm11.HM11(0);
+
+		// make sure port is initialized properly. 9600 baud is the default.
+		if (!ble.setupTty()) {
+			System.err.println("Failed to setup tty port parameters");
+			System.exit(-1);
+		}
+
+		printUsage();
+
+		if (args.length > 0) {
+			System.out.println("Sending command line argument (" + args[0] + ")...");
+			sendCommand(ble, args[0].getBytes());
+		} else {
+			// query the module address
+			String addr = "AT+ADDR?";
+			System.out.println("Querying module address (" + addr + ")...");
+			sendCommand(ble, addr.getBytes());
+
+			Thread.sleep(1000);
+
+			// query the module address
+			String pin = "AT+PASS?";
+			System.out.println("Querying module pin (" + pin + ")...");
+			sendCommand(ble, pin.getBytes());
+
+			// Other potentially useful commands are:
+			//
+			// AT+VERS? - query module version
+			// AT+ROLE0 - set as slave
+			// AT+ROLE1 - set as master
+			// AT+CLEAR - clear all previous settings
+			// AT+RESET - restart the device
+			//
+			// A comprehensive list is available from the datasheet at:
+			// http://www.seeedstudio.com/wiki/images/c/cd/Bluetooth4_en.pdf
+
+		}
+		// ! [Interesting]
+	}
+}