dmx, arduino uno en dmx512 Board

// - - - - -
// DmxSerial - A hardware supported interface to DMX.
// DmxSerialSend.ino: Sample DMX application for sending 3 DMX values:
// address 1 (red) -> also available on PWM Port 9
// address 2 (green) -> also available on PWM Port 6
// address 3 (blue) -> also available on PWM Port 5
// 
// Copyright (c) 2011 by Matthias Hertel, http://www.mathertel.de
// This work is licensed under a BSD style license. See http://www.mathertel.de/License.aspx
// 
// Documentation and samples are available at http://www.mathertel.de/Arduino
// 25.07.2011 creation of the DmxSerial library.
// 10.09.2011 fully control the serial hardware register
//            without using the Arduino Serial (HardwareSerial) class to avoid ISR implementation conflicts.
// 01.12.2011 include file and extension changed to work with the Arduino 1.0 environment
// - - - - -

#include <DMXSerial.h>

const int  buttonPin = 12;
int buttonState = 0;         // current state of the button
int lastButtonState = 0;     // previous state of the button

// Constants for demo program

;const int RedPin =    9;  // PWM output pin for Red Light.
const int BluePin =   5;  // PWM output pin for Blue Light.

// The color fading pattern

int RedList[]   = {255,   10,  0,    0,  };
int BlueList[]  = {0,     0,   255,  255,};

int RedLevel, BlueLevel;

int RedNow = 0;
int BlueNow = 0;

int state = 0;

void setup() {
  DMXSerial.init(DMXController);
 
    // initialize the button pin as a input:
  pinMode(buttonPin, INPUT);
  pinMode(RedPin,   OUTPUT); // sets the digital pin as output
  pinMode(BluePin,  OUTPUT);
} // setup


// loop through the rainbow colors 
void loop() {
   
  RedLevel = RedList[state];
  BlueLevel = BlueList[state];
 
  if ((RedLevel == RedNow) && (BlueLevel == BlueNow)) {
    state += 1;
    if (state == 6)
      state = 0;
   
  } else {
    if (RedNow < RedLevel)  RedNow++; 
    if (RedNow > RedLevel)  RedNow--; 
    DMXSerial.write(1, RedNow);
    analogWrite(RedPin,   RedNow); 
 

    if (BlueNow < BlueLevel)  BlueNow++; 
    if (BlueNow > BlueLevel)  BlueNow--; 
    DMXSerial.write(3, BlueNow);
    analogWrite(BluePin,  BlueNow); 
   
  } // if
  
  delay(30); // wait a little bit
  // read the pushbutton input pin:
  buttonState = digitalRead(buttonPin);

  // compare the buttonState to its previous state
  if (buttonState != lastButtonState) ;
    // if the state has changed, increment the counter
    if (buttonState == HIGH) ;
      // if the current state is HIGH then the button
      // wend from off to on:
  // save the current state as the last state,
  //for next time through the loop
  lastButtonState = buttonState;} // loop