#include <swRTC.h>
swRTC rtc; //create a new istance of the lib
int olds,news;
String timeD="";
int hh,mm,ss,dd,mo,yy;

void setup() {
	rtc.stopRTC(); //stop the RTC
	rtc.setTime(0,0,0); //set the time here
	rtc.setDate(1,3,2024); //set the date here
	rtc.startRTC(); //start the RTC
	Serial.begin(9600); //choose the serial speed here
  Serial.setTimeout(100);
  Serial.println(" Time input : t 2024,3,1,12,24,30");
  delay(2000);
}

void loop() {

  if(Serial.available()){// 시간설정시 t 2024,3,21,11,34,50형식으로 입력(년,월,일,시,분,초)
    char in=Serial.read();
    if(in=='t'){
      yy=Serial.parseInt();
      mo=Serial.parseInt();
      dd=Serial.parseInt();
      hh=Serial.parseInt();
      mm=Serial.parseInt();
      ss=Serial.parseInt();
      rtc.stopRTC();            
      rtc.setTime(hh,mm,ss);
      rtc.setDate(dd,mo,yy);
      rtc.startRTC();
      
      Serial.println("Time Reset");
    }
  }
  news=rtc.getSeconds();
  if(news!=olds){
    olds=news;
    dspT();    
  }
}
void dspT(){
  timeD = rtc.getYear();
  timeD += "/";
  timeD += rtc.getMonth();
  timeD += "/";
  timeD += rtc.getDay();
  timeD += " ";
  timeD += rtc.getHours();
  timeD += ":";
  timeD += rtc.getMinutes();
  timeD += ":";
  timeD += rtc.getSeconds();
  Serial.println(timeD);  
}