#include <MD_Parola.h>
#include <MD_MAX72xx.h>
#include <SPI.h>
#include "RTClib.h"

#define HARDWARE_TYPE MD_MAX72XX::PAROLA_HW
#define MAX_DEVICES 5 // Define the number of displays connected 
#define CLK_PIN    52 // CLK or SCK 
#define DATA_PIN   51 // DATA or MOSI 
#define CS_PIN     53 // CS or SS 
int hour, minute, second;
DateTime current;
// Hardware SPI connection
MD_Parola P = MD_Parola(HARDWARE_TYPE, CS_PIN, MAX_DEVICES);
RTC_DS1307 rtc; //create an instant of RTC
void setup() {
  Serial.begin(115200);
  if (! rtc.begin()) {
    Serial.println("Couldn't find RTC");
    Serial.flush();
    abort();
  }
  P.begin();
  P.setSpeed(10); //setting the speed to 10
  P.setPause(100); //setting the pause to 100
  P.setTextAlignment( PA_CENTER);//setting the txt allignment

}

void loop() {
  current = rtc.now(); //get the current time
  Find_time(current);
  String Time, colon;
  colon = ":";
  //Typecasting the integer value of hour minute and seconds from rtc  to string
  //and merging them together to form one string using +
  Time = String(hour) + colon + String(minute) + colon + String(second);
  P.print(Time);


}
void Find_time(DateTime now) {
  hour = now.hour(); //get current hour
  minute = now.minute(); //get current minute
  second = now.second(); //get current second
}