#define ENCODER_DO_NOT_USE_INTERRUPTS
#include <Encoder.h>

// Rotary Encoder Pins
#define ENCODER1_CLK 2
#define ENCODER1_DT  3
#define ENCODER2_CLK 4
#define ENCODER2_DT  5
#define BUTTON_PIN   6

Encoder Enc1(ENCODER1_CLK, ENCODER1_DT);
Encoder Enc2(ENCODER2_CLK, ENCODER2_DT);

long last1;
long last2;

long position1;
long position2;

void setup() 
{
  Serial.begin(115200);
  Serial.println("Started");

  pinMode(BUTTON_PIN, INPUT_PULLUP);
}


void loop() 
{
  bool update = false;

  // Encoder 1
  long new1 = Enc1.read() / -4;
  if (new1 != last1) 
  {
    update = true;
    position1 = new1;
    last1 = new1;
  }

  // Encoder 2
  long new2 = Enc2.read() / -4;
  if (new2 != last2) 
  {
    update = true;
    position2 = new2;
    last2 = new2;
  }

  if(update)
  {
    Serial.print("Enc1 = ");
    Serial.print(position1);
    Serial.print(", Enc2 = ");
    Serial.println(position2);
  }

  // Optional delay, it messes up the encoder!
  // delay(10);
}