 
 #define DATA_LEN 5
 
+#define LED_PIN 7
+
 #define _DEBUG 0
 
 char control_data[2] = {0xFF,0xFF};

  SPDR=0xFF;
  
  sei(); // Enable global interrupts.

  if (_DEBUG) {
    Serial.println("");

    data_buff[2] = lowByte(control_data[0]);
    data_buff[3] = lowByte(control_data[1]);

    // Led
    if (lowByte(control_data[0]) != 255 || lowByte(control_data[1]) != 255){
      digitalWrite(LED_PIN, HIGH);
    } else {
      digitalWrite(LED_PIN, LOW);
    }
    
  }

}
