Arduino 3 rotary encoder's 0-255

//Arduino 3 rotary encoder's 0-255 Created by Matthew AKA Asmodeus

//Outputs serial data Encoder1,Encoder2,Encoder3

//Rotary Encoder Max/Min
int maximum = 255;
int minimum = 0;
//Max-Min are the only values you need to change

int encoderRPinA = 9; //clk //ENCODER1
int encoderRPinB = 10; //dt //ENCODER1
int encoderGPinA = 6; //clk //ENCODER2
int encoderGPinB = 7; //dt //ENCODER2
int encoderBPinA = 3; //clk //ENCODER3
int encoderBPinB = 4; //dt //ENCODER3

int encoderRPinALast = LOW;
int encoderGPinALast = LOW;
int encoderBPinALast = LOW;

int n = LOW;
int b = LOW;
int m = LOW;

int encoderRPos = 0;
int encoderGPos = 0;
int encoderBPos = 0;
int encoderRPosLast = 0;
int encoderGPosLast = 0;
int encoderBPosLast = 0;

//Buttons (NOT INTERGRATED)
int Rpush = 8; //Encoder1 sw
int Gpush = 5; //Encoder2 sw
int Bpush = 2; //Encoder3 sw

void setup() {
  //Buttons (NOT INTERGRATED)
  pinMode (Rpush,INPUT);
  pinMode (Gpush,INPUT);
  pinMode (Bpush,INPUT);
  //Encoders
  pinMode (encoderRPinA,INPUT);
  pinMode (encoderRPinB,INPUT);
  pinMode (encoderGPinA,INPUT);
  pinMode (encoderGPinB,INPUT);
  pinMode (encoderBPinA,INPUT);
  pinMode (encoderBPinB,INPUT);

  Serial.begin (115200);
}

void loop() {
  n = digitalRead(encoderRPinA);
  b = digitalRead(encoderGPinA);
  m = digitalRead(encoderBPinA);

  if ((encoderRPinALast == LOW) && (n == HIGH)) {
    if (digitalRead(encoderRPinB) == LOW) {
      if(encoderRPos <= minimum) {
        encoderRPos = minimum;
      }
      else {
        encoderRPos--;
      }
    }
    else {
      if(encoderRPos >= maximum) {
        encoderRPos = maximum;
      }
      else {
        encoderRPos++;
      }
    }
  }
  if ((encoderGPinALast == LOW) && (b == HIGH)) {
    if (digitalRead(encoderGPinB) == LOW) {
      if(encoderGPos <= minimum) {
        encoderGPos = minimum;
      }
      else {
        encoderGPos--;
      }
    }
    else {
      if(encoderGPos >= maximum) {
        encoderGPos = maximum;
      }
      else {
        encoderGPos++;
      }
    }
  }
  if ((encoderBPinALast == LOW) && (m == HIGH)) {
    if (digitalRead(encoderBPinB) == LOW) {
      if(encoderBPos <= minimum) {
        encoderBPos = minimum;
      }
      else {
        encoderBPos--;
      }
    }
    else {
      if(encoderBPos >= maximum) {
        encoderBPos = maximum;
      }
      else {
        encoderBPos++;
      }
    }
  }

  if(encoderRPos != encoderRPosLast || encoderGPos != encoderGPosLast || encoderBPos != encoderBPosLast)
  {
    Serial.println ((String)encoderRPos + "," + (String)encoderGPos + "," + (String)encoderBPos);
    encoderRPosLast = encoderRPos;
    encoderGPosLast = encoderGPos;
    encoderBPosLast = encoderBPos;
  }
  encoderRPinALast = n;
  encoderGPinALast = b;
  encoderBPinALast = m;
}