#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#define SCREEN_WIDTH 128 
#define SCREEN_HEIGHT 32 
#define OLED_RESET     4 
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

const int potensio = A0;
int data_potensio = 0;
int duty_c1 = 0;
int hasil_jumlah= 0;

const int tombol_1 = 4;
const int tombol_2 = 3;
const int tombol_3 = 2;

const int led_merah = 12;
const int led_kuning = 11;
const int led_hijau = 10;

void tampilan_lcd_1(){
  display.print("data potensio: ");
  display.println(data_potensio);
  display.print("duty_c1: ");
  display.println(duty_c1);
  display.print("hasil_jumlah: ");
  display.println(hasil_jumlah);  
}

int jumlahkan(int var_1, int var_2){
  return var_1 + var_2;
}


void setup() {

   if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { 
    Serial.println(F("SSD1306 allocation failed"));
    for(;;); // Don't proceed, loop forever
  }
  pinMode(potensio, INPUT);
  
  pinMode(tombol_1, INPUT_PULLUP);
  pinMode(tombol_2, INPUT_PULLUP);
  pinMode(tombol_3, INPUT_PULLUP);

  pinMode(led_merah, OUTPUT);
  pinMode(led_kuning, OUTPUT);
  pinMode(led_hijau, OUTPUT);


}

void loop() {
  display.clearDisplay();
  display.setTextSize(1);             
  display.setTextColor(WHITE);        
  display.setCursor(0,0);   
  data_potensio = analogRead(potensio);          


  duty_c1 = map(data_potensio,0,1023,0,255);

  analogWrite(led_hijau, duty_c1);

  tampilan_lcd_1();
  hasil_jumlah = jumlahkan(data_potensio, duty_c1);





  display.display();
}