/*
 * This ESP32 code is created by esp32io.com
 *
 * This ESP32 code is released in the public domain
 *
 * For more detail (instruction and wiring diagram), visit https://esp32io.com/tutorials/esp32-rtc
 */

#include <RTClib.h>

RTC_DS3231 rtc;
/*
char daysOfWeek[7][12] = {
  "Sunday",
  "Monday",
  "Tuesday",
  "Wednesday",
  "Thursday",
  "Friday",
  "Saturday"
};*/

uint16_t rakam[]={63,6,91,79,102,109,125,7,127,111};
uint16_t seg[]={0,1,2,3,4,5};
uint16_t yenizaman=0;
uint16_t eskizaman=0;
unsigned long yenimilis=0;
unsigned long eskimilis=0;
unsigned long ledblink=0;
uint16_t saniye=10;
uint16_t dakika=07;
uint16_t saat=11;
bool led;
uint16_t st=14;
uint16_t sh=12;
uint16_t dt=27;
uint16_t ld=26;

void setup () {
  Serial.begin(9600);
  pinMode(st, OUTPUT);
  pinMode(sh, OUTPUT);
  pinMode(dt, OUTPUT);
  pinMode(ld, OUTPUT);
  rtc.begin();
  /*
  // SETUP RTC MODULE
  if (! rtc.begin()) {
    Serial.println("RTC module is NOT found");
    Serial.flush();
    while (1);
  }*/

// automatically sets the RTC to the date & time on PC this sketch was compiled
//  rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
    rtc.adjust(DateTime(2024, 4, 28, 8, 38, 30));
// manually sets the RTC with an explicit date & time, for example to set
// January 21, 2021 at 3am you would call:
// rtc.adjust(DateTime(2021, 1, 21, 3, 0, 0));
}

void loop () {
  DateTime now = rtc.now();
  //ledblink=millis();
  saniye=now.second();
  dakika=now.minute();  
  saat=now.hour();
  yenizaman=saniye;
  yenimilis=millis();
  if(yenimilis-eskimilis>500){
    eskimilis=yenimilis;
    digitalWrite(ld, 0);
  }
  if(yenizaman!=eskizaman){
  eskizaman=yenizaman;
  digitalWrite(ld, 1);
  digitalWrite(st, LOW);
  seg[0]=saniye%10;      ekran(seg[0]); // saniyenin birler hanesi
  seg[1]=(saniye/10)%10; ekran(seg[1]); // saniyenin onlar hanesi
  seg[2]=dakika%10;      ekran(seg[2]); // dakikanın birler hanesi
  seg[3]=(dakika/10)%10; ekran(seg[3]); // dakikanın onlar hanesi
  seg[4]=saat%10;        ekran(seg[4]); // saatin birler hanesi
  seg[5]=(saat/10)%10;   ekran(seg[5]); // saatin onlar hanesi
  digitalWrite(st, HIGH);  digitalWrite(st, LOW);
}

/*
  Serial.print("ESP32 RTC Date Time: ");
  Serial.print(now.year(), DEC);
  Serial.print('/');
  Serial.print(now.month(), DEC);
  Serial.print('/');
  Serial.print(now.day(), DEC);
  Serial.print(" (");
  Serial.print(daysOfWeek[now.dayOfTheWeek()]);
  Serial.print(") ");
  Serial.print(now.hour(), DEC);
  Serial.print(':');
  Serial.print(now.minute(), DEC);
  Serial.print(':');
  Serial.println(now.second(), DEC);
*/
/*  delay(1000); // delay 1 seconds*/
}

void ekran(int number){
  for(int x=7;x>=0;x--){
    digitalWrite(dt,bitRead(rakam[number],x));
    digitalWrite(sh, HIGH);
    digitalWrite(sh, LOW);
  }
}