/** Main entry to the program. */
public static void main(String[] args) {
RemoteControl remote = new RemoteControl();
RemoteDevice racecar = Bluetooth.getKnownDevice("Batmobile");
if (racecar == null) {
System.out.println("No Such device existed");
System.exit(1);
}
BTConnection racecarConnection = Bluetooth.connect(racecar);
if (racecarConnection == null) {
System.out.println("Connection Failed");
System.exit(1);
} else {
System.out.println("Connected to Racecar");
}
DataOutputStream dos = racecarConnection.openDataOutputStream();
try {
System.out.println("Sending controller signal");
dos.writeInt(CONTROLLER_DEVICE);
dos.flush();
System.out.println("Sent Controller signal");
} catch (Exception ex) {
// Do nothing
}
remote.setRacecarConnection(racecarConnection);
remote.setRacecarOutputStream(dos);
// Waiting for flag to set us off here
System.out.println("Waiting for Flag connection");
NXTConnection flagConnection = Bluetooth.waitForConnection();
System.out.println("Connected to flag");
DataInputStream dis = flagConnection.openDataInputStream();
try {
int check = dis.readInt();
if (check == FLAG_SIGNAL) {
System.out.println("Recived flag signal");
dos.writeInt(FLAG_SIGNAL);
dos.flush();
System.out.println("sent flag signal to racecar");
dis.close();
remote.run();
} else {
System.out.println("Did not recieve flag connection");
}
} catch (Exception e) {
}
}
/** method to disconnect from the server */
public void disconnect() throws IOException {
// if stream connection is present then
if (streamConnection != null) {
// close all streams
dataOutputStream.close();
dataInputStream.close();
streamConnection.close();
}
// nullify all stream objects
dataOutputStream = null;
dataInputStream = null;
streamConnection = null;
// initiate garbage collector
System.gc();
// set the connected flag to false indicating no connection
connected = false;
}
