Master dimmer dmx channel code help

Projects Programming
15 

unsigned int RED = R*D/255;

void setup() {
  DMXSerial.init(DMXReceiver);
  display.setBrightness(6);
  pinMode (7,INPUT);
  pinMode (8,INPUT);
  pinMode (9,OUTPUT);       // RED pin
  pinMode (10,OUTPUT);      // GREEN pin
  pinMode (11,OUTPUT);      // BLUE pin
  
  display.clear();
  
  }

void loop() {   

  // Main funtion of RGB dimmers and STROBE
  
   if (S > 0)  {
        analogWrite (9, RED);
        analogWrite (10,G);
        analogWrite (11,B);
        delay(285-S);
        analogWrite (9, 0);
        analogWrite (10,0);
        analogWrite (11,0);
        delay(285-S);
    } 
    else {
        analogWrite (9, RED);
        analogWrite (10,G);
        analogWrite (11,B);
      }