#include "DMXUSB.h"

#define UNIVERSE 0
#define ADDRESS 1

#define RED_PIN 6
#define GREEN_PIN 9
#define BLUE_PIN 5

#define DMXUSB_BAUDRATE 115200

void dmxCallback(int universe, char buffer[512]) {
  if (universe == UNIVERSE) {
    // DMX-Address starts at one, buffer at zero
    analogWrite(RED_PIN, buffer[ADDRESS-1]);
    analogWrite(GREEN_PIN, buffer[ADDRESS]);
    analogWrite(BLUE_PIN, buffer[ADDRESS+1]);
  }
}

DMXUSB myDMXUsb(
  Serial,
  DMXUSB_BAUDRATE,
  0,
  dmxCallback
);

void setup() {
  // setup pins
  pinMode(RED_PIN, OUTPUT);
  pinMode(GREEN_PIN, OUTPUT);
  pinMode(BLUE_PIN, OUTPUT);
  Serial.begin(DMXUSB_BAUDRATE);
}

void loop() {
  myDMXUsb.listen();
}