Arduino I2C from RoboRio

int LEDmode = 0;
String LED = "";

void setup()
{
  strip.begin();
  strip.show();
  Wire.begin(4);
  Wire.onReceive(dataReceived);
}

void loop()
{
  RunLEDs(LEDmode);
}

void dataReceived(int howMany)
{
    LED = "";

    while ( Wire.available() > 0 ){
      char n=(char)Wire.read();
      if(((int)n)>((int)(' ')))
      LED += n;
    }

    if(LED == "DISABLED"){
        LEDmode = 0;
    }else if(LED == "AUTO"){
        LEDmode= 1;
    }else if(LED == "TELEOP"){
        LEDmode = 2;
    }else{
        LEDmode = 0;
    }
}

void RunLEDs(int mode)
{
    if(LED == "DISABLED"){
        chaseColor(255, 255, 255, 10);
    }else if(LED == "AUTO"){
        fadeRed(10);
    }else if(LED == "TELEOP"){
        fadeRed(10);
    }else{
      chaseColor(255, 255, 255, 10);
    }
}