#include <U8glib.h>

U8GLIB_SH1106_128X64 u8g(U8G_I2C_OPT_DEV_0|U8G_I2C_OPT_FAST);

#define DT 2
#define CLK 3
#define SW 4
#define MENU_ITEMS 3

int lastStat;
int currentStat;
uint8_t btnDeb = 20;
int counter = 0;
unsigned long lastButtonPress = 0;
boolean btn;

uint8_t menuIndex = 0;

const char *MAIN_MENU[MENU_ITEMS] = {"DS","GDE","GEE"};

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(DT, INPUT_PULLUP);
  pinMode(CLK, INPUT_PULLUP);
  pinMode(SW, INPUT);

  lastStat  = digitalRead(CLK);

}

void loop() {   
   
  rButton();
  

}

uint8_t rotary(){
  currentStat = digitalRead(CLK);
  if(currentStat!=lastStat && currentStat == 1){
    if(digitalRead(DT)!=currentStat){

      // counter--;
      // Serial.print("Counter Value -");
      // Serial.println(counter);
      return counter;
    }
    else{
      // counter++;
      // Serial.print("Counter Value -");
      // Serial.println(counter);
      return counter;
    }
    
  }
  lastStat = currentStat;
  delay(1);
}

uint8_t rButton(){
  if(digitalRead(SW) == LOW){
    if(millis() - lastButtonPress > btnDeb){
      btn!=btn;
      Serial.println(btn);
      }
      lastButtonPress = millis();
  }
}

void mainDraw(void)
{
    //Write text. (x, y, text)
    u8g.setFont(u8g_font_unifont);
    u8g.drawStr(25, 10, "MAIN MENU");
    u8g.drawHLine(0,12,128);  
    
}