Arduino - Rotary encoder serial coms

int val;
int encoder0PinA = 5;
int encoder0PinB = 6;
int encoder0Direction = 0;
int encoder0PinALast = LOW;
int n = LOW;

int pingTimeout = 1000;
unsigned long lastPing = 0;


void setup() {
  pinMode (encoder0PinA,INPUT);
  pinMode (encoder0PinB,INPUT);
  Serial.begin (115200);
}

void loop() {
  n = digitalRead(encoder0PinA);
  if ((encoder0PinALast == LOW) && (n == HIGH)) {
    if (digitalRead(encoder0PinB) == LOW) {
      encoder0Direction = -1;
    } else {
      encoder0Direction = 1;
    }
    Serial.println (encoder0Direction);
  }
  else{
    if(millis()-lastPing >= pingTimeout || millis() < 1000){
      Serial.println (0);
      lastPing = millis();
    }
  }
  encoder0PinALast = n;
}