#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels

#define ENCODER_CLK 2
#define ENCODER_DT  3

void setup() {
  Serial.begin(115200);
  pinMode(ENCODER_CLK, INPUT);
  pinMode(ENCODER_DT, INPUT);

}



void loop() {
int pos = getPos(); 

if(pos == 0){
  Serial.println("CCW turn");
}




}
int getPos(){
//CCW = 0, CW = 1, Button press = 2, No change -1
 int outputVal = -1;
 static bool lastClk = HIGH;
  bool newClk = digitalRead(ENCODER_CLK);
  if (newClk != lastClk) {
    // There was a change on the CLK pin
    lastClk = newClk;
    bool dtValue = digitalRead(ENCODER_DT);
    if (newClk == LOW && dtValue == HIGH) {
      outputVal = 1; 
    }
    if (newClk == LOW && dtValue == LOW) {
      outputVal = 0; 
    }
  }
  return outputVal; 
  outputVal = -1; 
  
}