static void init() throws InterruptedException {
    Sound.beep();
    try {
      File f = new File("CalibrationData.dat");

      FileInputStream is = new FileInputStream(f);
      colors = RescueColors.readObject(is);
      is.close();
      LCD.drawString("File read", 0, 0);
      LCD.drawString("sucessfully", 0, 0);
    } catch (IOException e) {
      LCD.drawString("Error reading", 0, 0);
      LCD.drawString("file", 0, 1);
      Thread.sleep(1000);
      System.exit(-1);
    }
    colors.printToLCD();
    robot = new RescueRobot(colors);
    Button.ENTER.waitForPressAndRelease();

    logger = new MovementLogger(robot);
    Thread t = new Thread(logger);
    t.setDaemon(true);
    t.start();
  }
  public static void main(String... args) throws InterruptedException {
    init();
    long lastVictimTime = 0;
    while (true) {
      RawColor color = colors.getSensorColor(robot.colorSensor);
      if ((color == colors.silver || color == colors.green)
          && System.currentTimeMillis() - lastVictimTime > 2500) {
        synchronized (robot.pilot) {
          robot.pilot.stop();
          robot.showVictimFound();
          lastVictimTime = System.currentTimeMillis();
          robot.pilot.travel(5);
          findline();
        }
      } else if (color == colors.white || color == colors.black) {
        synchronized (robot.pilot) {
          int[] sensors = robot.lineSensor.getSensors();
          if (sensors != null) {

            int leftspeed = calcLeftSpeed(sensors);
            int rightspeed = calcRightSpeed(sensors);
            robot.pilot.setLeftSpeed(leftspeed);
            robot.pilot.setRightSpeed(rightspeed);
          }
        }
      }
      Thread.sleep(50);
    }
  }
 public static boolean linefound() {
   if (colors.getSensorColor(robot.colorSensor) != colors.white) {
     return true;
   } else {
     /*
      * byte[] sensors = robot.lineSensor.getSensors();
      * if(sensors != null)
      * {
      * return sensors[0] < 50 || sensors[3] < 50 || sensors[4] < 50 || sensors[7] < 50;
      * }
      * else
      */
     return false;
   }
 }