#include <LiquidCrystal.h>
int RS = 8, E = 9, D4 = 4, D5 = 5, D6 = 6, D7 = 7;
LiquidCrystal lcd(RS, E, D4, D5, D6, D7);
unsigned long oncekiZaman = 0; // Son işlem zamanı
const unsigned long aralik = 3000; // 1 saniye = 1000 ms
#define bat1 A0
#define bat2 A1
#define bat3 A2
#define bat4 A3
#define b1g 13
#define b2g 12
#define b3g 11
#define b4g 10
#define buton 2
#define buzzer A5
bool sure = false;
float d1=0.0;
float d2=0.0;
float d3=0.0;
float d4=0.0;
int durum1=0;
int durum2=0;
int durum3=0;
int durum4=0;
int art=0;
int lionmin=580;
int lionmax=850;
byte ozel1[8] = { 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01};
byte ozel2[8] = { 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10};
byte olu[8] =  {0x00,0x00,0x0A,0x00,0x00,0x0E,0x11,0x00};
///////////////////////////////////////////////////////////////
void setup() {
  lcd.begin(16, 2); 
  lcd.setCursor(2, 0);
  lcd.print("Designed by");
  lcd.setCursor(0, 1);
  lcd.print(" Seyfi S. CAKIR");
  delay(1000);
  pinMode(b1g,OUTPUT);
  pinMode(b2g,OUTPUT);
  pinMode(b3g,OUTPUT);
  pinMode(b4g,OUTPUT);
  pinMode(buzzer,OUTPUT);
  pinMode(buton,INPUT_PULLUP);
  lcd.createChar(0, ozel1);
  lcd.createChar(1, ozel2);
  lcd.createChar(2, olu);
  lcd.clear();
  //attachInterrupt(0,kesme,FALLING);
}
void buz(){
  tone(buzzer,300);
  delay(200);
  noTone(buzzer);
  delay(200);
}
/////////////////////////////////////////////////////////////////

void loop() {
  if(digitalRead(buton)==0){
  lcd.clear();
  lcd.setCursor(7, 0);
  lcd.write(byte(0));
  lcd.write(byte(1));
  lcd.setCursor(7, 1);
  lcd.write(byte(0));
  lcd.write(byte(1));
  lcd.setCursor(0, 0);
  lcd.print("1C=");
  d1=analogRead(bat1);
  lcd.print(d1/1023*5);
  lcd.setCursor(9, 0);
  lcd.print("2C=");
  d2=analogRead(bat2);
  lcd.print(d2/1023*5);
  lcd.setCursor(0, 1);
  lcd.print("3C=");
  d3=analogRead(bat3);
  lcd.print(d3/1023*5);
  lcd.setCursor(9, 1);
  lcd.print("4C=");
  d4=analogRead(bat4);
  lcd.print(d4/1023*5);
  delay(1000);
  }
  else{
  unsigned long simdikiZaman = millis(); 
  if ((simdikiZaman - oncekiZaman) > aralik) {
    oncekiZaman = simdikiZaman;  
      lcd.clear();
  lcd.setCursor(7, 0);
  lcd.write(byte(0));
  lcd.write(byte(1));
  lcd.setCursor(7, 1);
  lcd.write(byte(0));
  lcd.write(byte(1));
  lcd.setCursor(0, 0);
  lcd.print("1C=");
  d1=analogRead(bat1);
  lcd.print(d1/1023*5);
  lcd.setCursor(9, 0);
  lcd.print("2C=");
  d2=analogRead(bat2);
  lcd.print(d2/1023*5);
  lcd.setCursor(0, 1);
  lcd.print("3C=");
  d3=analogRead(bat3);
  lcd.print(d3/1023*5);
  lcd.setCursor(9, 1);
  lcd.print("4C=");
  d4=analogRead(bat4);
  lcd.print(d4/1023*5);
  delay(1000);
    lcd.clear();
  }
  lcd.setCursor(7, 0);
  lcd.write(byte(0));
  lcd.write(byte(1));
  lcd.setCursor(7, 1);
  lcd.write(byte(0));
  lcd.write(byte(1));

    lcd.setCursor(0, 0);
    lcd.print("1Ch%");
    lcd.setCursor(4, 0);
    lcd.print(durum1);
    lcd.setCursor(9, 0);
    lcd.print("2Ch%");
    lcd.setCursor(13, 0);
    lcd.print(durum2);
    lcd.setCursor(0, 1);
    lcd.print("3Ch%");
    lcd.setCursor(4, 1);
    lcd.print(durum3);
    lcd.setCursor(9, 1);
    lcd.print("4Ch%");
    lcd.setCursor(13, 1);
    lcd.print(durum4);

   durum1=map(analogRead(bat1),lionmin,lionmax,0,100);
   durum2=map(analogRead(bat2),lionmin,lionmax,0,100);
   durum3=map(analogRead(bat3),lionmin,lionmax,0,100);
   durum4=map(analogRead(bat4),lionmin,lionmax,0,100);


//////////////////////////////////1.BATARYA///////////////////////
    if(durum1>99){
      durum1=100;
    //lcd.setCursor(4, 0);
    //lcd.print(durum1);
    digitalWrite(b1g,1);
    //buz();
    }
    else if(durum1>0&&durum1<100){
    //lcd.setCursor(4, 0);
    //lcd.print(durum1);
    digitalWrite(b1g,0);
    }
    else if(durum1<0&&durum1>-180){
    durum1=0;
    //lcd.setCursor(4, 0);
    //lcd.print(durum1);
    digitalWrite(b1g,0);
    }
    else{
    durum1=0;
    //lcd.setCursor(4, 0);
    //lcd.print(durum1);
    digitalWrite(b1g,0);
    delay(200);
    digitalWrite(b1g,1);
    delay(200);
    }
    //////////////////////////////////2.BATARYA///////////////////////
    if(durum2>99){
      durum2=100;
    //lcd.setCursor(13, 0);
    //lcd.print(durum2);
    digitalWrite(b2g,1);
    //buz();
    }
    else if(durum2>0&&durum2<100){
    //lcd.setCursor(13, 0);
    //lcd.print(durum2);
    digitalWrite(b2g,0);
    }
    else if(durum2<0&&durum2>-180){
    durum2=0;
    //lcd.setCursor(13, 0);
    //lcd.print(durum2);
    digitalWrite(b2g,0);
    }
    else{
    durum2=0;
   //lcd.setCursor(13, 0);
    //lcd.print(durum2);
    digitalWrite(b2g,0);
    delay(200);
    digitalWrite(b2g,1);
    delay(200);
    }
        //////////////////////////////////3.BATARYA///////////////////////
    if(durum3>99){
      durum3=100;
    //lcd.setCursor(4, 1);
    //lcd.print(durum3);
    digitalWrite(b3g,1);
    //buz();
    }
    else if(durum3>0&&durum3<100){
    //lcd.setCursor(4, 1);
    //lcd.print(durum3);
    digitalWrite(b3g,0);
    }
    else if(durum3<0&&durum3>-180){
    durum3=0;
    //lcd.setCursor(4, 1);
    //lcd.print(durum3);
    digitalWrite(b3g,0);
    }
    else{
    durum3=0;
    //lcd.setCursor(4, 1);
    //lcd.print(durum3);
    digitalWrite(b3g,0);
    delay(200);
    digitalWrite(b3g,1);
    delay(200);
    }
        //////////////////////////////////4.BATARYA///////////////////////
    if(durum4>99){
      durum4=100;
    //lcd.setCursor(13, 1);
    //lcd.print(durum4);
    digitalWrite(b4g,1);
    //buz();
    }
    else if(durum4>0&&durum4<100){
    //lcd.setCursor(13, 1);
    //lcd.print(durum4);
    digitalWrite(b4g,0);
    }
    else if(durum4<0&&durum4>-180){
    durum4=0;
    //lcd.setCursor(13, 1);
    //lcd.print(durum4);
    digitalWrite(b4g,0);
    }
    else{
    durum4=0;
    //lcd.setCursor(13, 1);
    //lcd.print(durum4);
    digitalWrite(b4g,0);
    delay(200);
    digitalWrite(b4g,1);
    delay(200);
    }
  }
}