/*
 * Created by ArduinoGetStarted.com
 *
 * This example code is in the public domain
 *
 * Tutorial page: https://arduinogetstarted.com/tutorials/arduino-button-toggle-led
 */

#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

// declare an SSD1306 display object connected to I2C
Adafruit_SSD1306 oled(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);

// constants won't change
const int BUTTON_PIN = 2; // Arduino pin connected to button's pin
const int LED_PIN    = 3; // Arduino pin connected to LED's pin

// variables will change:
int ledState = LOW;     // the current state of LED
int lastButtonState;    // the previous state of button
int currentButtonState; // the current state of button

void setup() {
  Serial.begin(9600);                // initialize serial
    // initialize OLED display with address 0x3C for 128x64
  if (!oled.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
    Serial.println(F("SSD1306 allocation failed"));
    while (true);
  }

  delay(200);         // wait for initializing
  oled.clearDisplay(); // clear display
  oled.setTextSize(3);          // text size
  oled.setTextColor(WHITE);     // text color
  oled.setCursor(18, 10);        // position to display
  oled.println("F.A.I"); // text to display
  oled.setTextSize(1);          // text size
  oled.setTextColor(WHITE);     // text color
  oled.setCursor(25, 35);        // position to display
  oled.println("SMArT System"); // text to display
  oled.display();               // show on OLED
  pinMode(BUTTON_PIN, INPUT); // set arduino pin to input pull-up mode
  pinMode(LED_PIN, OUTPUT);          // set arduino pin to output mode

  currentButtonState = digitalRead(BUTTON_PIN);
}

void hit(int bawah, int atas, int pin, int durasi)
{ //setup fungsi hit + parameter yang digunakan
  for(int i = bawah; i < atas; i++)
  {
    digitalWrite(pin, HIGH);
    delay(durasi);
    digitalWrite(pin, LOW);
    delay(durasi);
  }
}

void loop() {
  lastButtonState    = currentButtonState;      // save the last state
  currentButtonState = digitalRead(BUTTON_PIN); // read new state

  if(lastButtonState == HIGH && currentButtonState == LOW) {
    oled.clearDisplay();
    oled.setTextSize(3);          
    oled.setTextColor(WHITE);     
    oled.setCursor(10, 20);       
    oled.println("A1 HIT"); 
    oled.display();               
    // toggle state of LED
    ledState = !ledState;

    // Kontrol LED sesuai status toggle
    digitalWrite(LED_PIN, ledState); 
    hit(1, 5, LED_PIN, 200);
    
  }
}