1.2-Brobot/Bluetooth.java

package boebot;
import stamp.core.*;
public class Bluetooth
{
  final static int SERIAL_RX_PIN  = CPU.pin2;
  final static int SERIAL_TX_PIN  = CPU.pin0;

  static Uart rxUart = new Uart(Uart.dirReceive, SERIAL_RX_PIN, Uart.dontInvert, Uart.speed9600, Uart.stop1);
  static Uart txUart = new Uart(Uart.dirTransmit, SERIAL_TX_PIN,Uart.dontInvert, Uart.speed9600, Uart.stop1);

  char tempChar;
  char[] route = new char[40];
  char romoteControl = ' ';

  public int checkBt()
  {
    if (rxUart.byteAvailable())
    {
      tempChar = (char)rxUart.receiveByte();

      if (tempChar == '?')
      {
        int i = 0;
        clearRoute();

        while (true)
        {
          if (rxUart.byteAvailable())
          {
            tempChar = (char)rxUart.receiveByte();

            if(tempChar == '?')
            {
              return 2;
            }

            route[i] = tempChar;
            i ++;
          }
        }
      }

      else if ((tempChar == 'a') || (tempChar =='v') || (tempChar == 'l') || (tempChar == 'r') || (tempChar == 's'))
      {
        romoteControl = tempChar;
        return 1;
      }

      return 0;
    }

    return 0;
  }

  public char[] getRoute()
  {
    return route;
  }

  public int getromoteControl()
  {
    int value = 4;

    switch (romoteControl)
    {
      case 'v':
        value = 1;
        break;
      case 'a':
        value = 7;
        break;
      case 's':
        value = 4;
        break;
      case 'r':
        value = 5;
        break;
      case 'l':
        value = 3;
        break;
    }

    return value;
  }

  public void clearRoute()
  {
    for(int i = 0; i < 40; i++)
    {
      route[i] = ' ';
    }
  }
}