示例#1
0
  /** 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) {

    }
  }
示例#2
0
 public void run() {
   while (true) {
     try {
       int buttonID = Button.waitForPress();
       switch (buttonID) {
         case 2:
           racecarOutputStream.writeInt(LEFT);
           racecarOutputStream.flush();
           System.out.println("Sent Left Signal");
           break;
         case 4:
           racecarOutputStream.writeInt(RIGHT);
           racecarOutputStream.flush();
           System.out.println("Sent Right Signal");
           break;
         case 1:
           System.out.println("Sending Forward Signal");
           racecarOutputStream.writeInt(FWD);
           racecarOutputStream.flush();
           System.out.println("Sent Forward Signal");
           break;
         case 8:
           racecarOutputStream.writeInt(STOP);
           racecarOutputStream.flush();
           System.out.println("Sent stop Signal");
           break;
         default:
           break;
       }
     } catch (Exception e) {
       // nothing
     }
   }
 }