/** 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) { } }
public void run() { System.out.println("Connecting to " + name); conn = Bluetooth.connect(Bluetooth.getKnownDevice(name)); conn.setIOMode(NXTConnection.PACKET); dis = conn.openDataInputStream(); dos = conn.openDataOutputStream(); System.out.println("NXT connected"); // Request dimensions try { dos.writeByte(3); dos.flush(); } catch (IOException e1) { } try { while (true) { byte type = dis.readByte(); switch (type) { case 1: byte slot = dis.readByte(); byte state = dis.readByte(); states[slot] = state; break; case 3: slotCount = dis.readByte(); stateCount = dis.readByte(); break; case 127: EStop.thread.activate = true; break; } } } catch (IOException e) { Sound.buzz(); System.out.println("Comm dropped to " + name); } }