//CAMBIARE STATO BUTTON
//CAMBIARE STATO BUTTON
//CAMBIARE STATO BUTTON

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

#define OLED_I2C   0x3C
#define SCREEN_WIDTH 128 
#define SCREEN_HEIGHT 64
#define OLED_RESET     -1 

Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);


int RELAY = 8;      
int BUTTON = 4;
int led = 5;
int meno = 9;
int piu = 7;
int save = 6;

int cutoff;

void setup() {

 EEPROM.get(80, cutoff);

  pinMode(BUTTON, INPUT_PULLUP);  
  pinMode(RELAY, OUTPUT);
  pinMode(piu, INPUT_PULLUP);
  pinMode(meno, INPUT_PULLUP);
  pinMode(save, INPUT_PULLUP);
  pinMode(led, OUTPUT);
  digitalWrite(RELAY, LOW); 
  digitalWrite(led, LOW); 
  digitalWrite(4, HIGH);
  digitalWrite(9, HIGH);
  digitalWrite(7, HIGH);
  digitalWrite(6, HIGH);

   display.begin(SSD1306_SWITCHCAPVCC, OLED_I2C);
  display.clearDisplay();
  display.display();
  display.drawLine(0, 0, 127, 0, WHITE);
  display.drawLine(0, 63, 127, 63, WHITE);
   display.setTextSize(1);
  display.setTextColor(WHITE);
  display.setCursor(27,20);
  display.print("QUICK SHIFTER");
    display.setCursor(37,35);
  display.print("FZL RACING");
  display.display();

  delay(2500);

}

void loop() {
  
if(digitalRead(BUTTON) == LOW){
  digitalWrite(RELAY, HIGH);
  digitalWrite(led, HIGH);
  delay(cutoff);
  digitalWrite(RELAY, LOW);
  digitalWrite(led, LOW);
  delay(500);
}else{
 digitalWrite(RELAY, LOW);
}

if(digitalRead(piu) == LOW){
  delay(200);
  cutoff = cutoff +10;
}else{
  cutoff = cutoff;
}

if(digitalRead(meno) == LOW){
  delay(200);
  cutoff = cutoff -10;
}else{
  cutoff = cutoff;
}

if(cutoff <100){
display.clearDisplay();
  display.drawLine(0, 0, 127, 0, WHITE);
  display.drawLine(0, 63, 127, 63, WHITE);
  display.setTextSize(2);
  display.setTextColor(WHITE);
  display.setCursor(47,25);
  display.print(cutoff);
  display.setTextSize(1);
  display.setCursor(72,30);
  display.print("ms");
  display.display();
}else{
  display.clearDisplay();
  display.drawLine(0, 0, 127, 0, WHITE);
  display.drawLine(0, 63, 127, 63, WHITE);
  display.setTextSize(2);
  display.setTextColor(WHITE);
  display.setCursor(35,25);
  display.print(cutoff);
  display.setTextSize(1);
  display.setCursor(72,30);
  display.print("ms");
  display.display();
}



if(cutoff <10){
cutoff = 10;
}

if(cutoff >250){
cutoff = 250;
}
  
if(digitalRead(save) == LOW){
  EEPROM.update(80, cutoff);
  digitalWrite(led, HIGH);
   display.clearDisplay();
  display.drawLine(0, 0, 127, 0, WHITE);
  display.drawLine(0, 63, 127, 63, WHITE);
  display.setTextSize(1);
  display.setTextColor(WHITE);
  display.setCursor(32,32);
  display.print("MENYIMPAN");
  display.setCursor(32,20);
  display.print("BERHASIL");
  display.display();
  delay(3000);
  digitalWrite(led, LOW);

}


  
}