Add TCP UAVTalk interface for android

androidgcs/src/org/openpilot/androidgcs/TcpUAVTalk.java

@@ -0,0 +1,84 @@
+package org.openpilot.androidgcs;
+
+import java.io.IOException;
+import java.net.InetAddress;
+import java.net.Socket;
+import java.net.UnknownHostException;
+import org.openpilot.uavtalk.UAVObjectManager;
+import org.openpilot.uavtalk.UAVTalk;
+
+import android.content.Context;
+import android.util.Log;
+
+public class TcpUAVTalk {
+	private final String TAG = "TcpUAVTalk";
+	public static int LOGLEVEL = 2;
+	public static boolean WARN = LOGLEVEL > 1;
+	public static boolean DEBUG = LOGLEVEL > 0;
+	
+	// Temporarily define fixed device name
+	public final static String IP_ADDRESS = "127.0.0.1";
+	public final static int PORT = 9001;
+	
+	private UAVTalk uavTalk;
+	private boolean connected; 
+	
+	public TcpUAVTalk(Context caller) {
+        if (DEBUG) Log.d(TAG, "Trying to open UAVTalk with " + IP_ADDRESS);
+
+        connected = false;         
+    }
+	
+	public boolean connect(UAVObjectManager objMngr) {
+		if( getConnected() ) 
+			return true;
+		if( !openTelemetryTcp(objMngr) )
+			return false;
+		return true;		
+	}
+
+	public boolean getConnected() {
+		return connected;
+	}
+    	
+	public UAVTalk getUavtalk() {
+		return uavTalk;
+	}
+	
+ 
+	private boolean openTelemetryTcp(UAVObjectManager objMngr) {
+		Log.d(TAG, "Opening conncetion to " + IP_ADDRESS);
+		
+		InetAddress serverAddr = null;
+		try {
+			serverAddr = InetAddress.getByName(IP_ADDRESS);
+		} catch (UnknownHostException e1) {
+			// TODO Auto-generated catch block
+			e1.printStackTrace();
+			return false;
+		}
+		
+		Socket socket = null;
+		try {
+			socket = new Socket(serverAddr,PORT);
+		} catch (IOException e1) {
+			// TODO Auto-generated catch block
+			e1.printStackTrace();
+			return false;
+		}
+
+		connected = true;
+		
+		try {
+			uavTalk = new UAVTalk(socket.getInputStream(), socket.getOutputStream(), objMngr);
+		} catch (IOException e) {
+			Log.e(TAG,"Error starting UAVTalk");
+			// TODO Auto-generated catch block
+			//e.printStackTrace();
+			return false;
+		}
+				
+		return true;
+	}
+
+}