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

#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64

Adafruit_SSD1306 oled(SCREEN_WIDTH,SCREEN_HEIGHT, &Wire, -1);

float floatmap(float x,float in_min,float in_max,float out_min,float out_max){
  return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
}

const int led1 = 13;
const int led2 = 12;
const int led3 = 14;

const int button = 27;
int buttonState = HIGH;
int lastButtonState = HIGH;
bool tekanbutton = false;

const int potpin = 35;
int potValue = 0;

void setup(){
  Serial.begin(9600);

  analogSetAttenuation(ADC_11db);

 if(!oled.begin(SSD1306_SWITCHCAPVCC, 0x3C)){
  Serial.println(F("failed to start SSD1306 OLED"));
  while (1);
 }
 delay(2000);
 oled.clearDisplay();


  pinMode (led1, OUTPUT);
  pinMode (led2, OUTPUT);
  pinMode (led3, OUTPUT);
  

  pinMode (button, INPUT_PULLUP);
 
}

void loop(){
  buttonState = digitalRead(button);

  if (buttonState== LOW && lastButtonState == HIGH){
    tekanbutton=!tekanbutton;
  }
  if (tekanbutton){
    digitalWrite(13, HIGH);
    oled.setTextSize(1);
    oled.setTextColor(WHITE);
    oled.setCursor(0, 10);
    oled.println("Led 1 nyala");
    oled.display();
  }

  potValue = analogRead(35);

  if (potValue > 220) {
    digitalWrite(led2, HIGH);
    oled.setCursor(0, 30);  
    oled.println("Led 2 nyala");
    oled.display();
  } else {
    digitalWrite(led2, LOW);
  }

  if (potValue > 330) {
    digitalWrite(led3, HIGH);
    oled.setCursor(0, 50); 
    oled.println("Led 3 nyala");
    oled.display();
  } else {
    digitalWrite(led3, LOW);
  }
  buttonState=lastButtonState;
  delay(1000);
}