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import processing.serial.*;  //
Import the Processing Serial Library for communicating with arduino
Serial dmxPort;               // The used Serial Port

int[][] dmxValues; //First dimension = number of DMX channels //Second dimension = channel, value
int amountOfDMXChannels = 3;

Serial port;
 
void setup() {
  background(0);
  size(500, 500);
  println(Serial.list())frameRate(5);
// Prints the
list of serial available devices (Arduino should be on top of the list) println(Serial.list());
  dmxPortport = new Serial(this, Serial.list()[Serial.list().length-1]"/dev/tty.usbmodem1411", 9600);
// Open a
new port and connect with Arduino at 9600 baud

  dmxValues = new int[amountOfDMXChannels][2];
  dmxValues[0][0] = 0;
  dmxValues[1][0] = 1;
  dmxValues[2][0] = 2;
}

void draw()
{
  background(0);
  color c = color(map(mouseX,0,width,0,255),map(mouseY,0,height,0,255),0sendDMX(1, 0);
  sendDMX(2, 0);
  sendDMX(1, 255);
}
 
void draw(){
  while(port.available() > 0) {
    print(port.readString());
  }
  
  int red = int(map(mouseX, 0, width, 0, 255));
  int green = int(map(mouseY, 0, height, 0, 255));
  
  background(red, green, 0);
  stroke(255);
  text("RRed: " + red(c) + "\t - GGreen: " +green(c)+"\t B: "+blue(c) green, 20, 20);
  dmxValues[0][1] = int(red(c)
  sendDMX(1, red);
  dmxValues[1][1] = int(green(c));
  dmxValues[2][1] = int(blue(c)sendDMX(2, green);
  sendDMX(dmxValues3, 0);
}

void sendDMX(int valuesToSend[][]channel, int value) {
  for (int i=0; i<valuesToSend.length; i++)
  {print(str(channel));
  print(":");
  print(str(value));
  print('\n');
  
  dmxPortport.write(str(valuesToSend[i][0]channel));
    dmxPortport.write(",:");
    dmxPortport.write(str(valuesToSend[i][1]value));
    dmxPortport.write("'\n"');
  }
}