//--------------------RTC---------------//
#include "RTClib.h"
RTC_DS1307 rtc;
char daysOfTheWeek[7][12] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};

#define sw1 13
#define sw2 12
#define sw3 14
#define Buz 23
byte SetH,SetM,SetS;
boolean st_SetH,st_SetM,st_SetS,st_SetHok,st_SetMok,st_SetSok = 0;
/*************************************************************/
void setup() {
 pinMode(sw1,INPUT_PULLUP);
 pinMode(sw2,INPUT_PULLUP);
 pinMode(sw3,INPUT_PULLUP);
 pinMode(Buz,OUTPUT);

  if (! rtc.begin()) {
    Serial.println("Couldn't find RTC");
    Serial.flush();
    abort();
  }

  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
}
/*****************************************************************/
void loop() {
   DateTime now = rtc.now();

if(digitalRead(sw3)==0){//กดsw1ตั้งเวลา
 delay(2000);
 if(digitalRead(sw3)==0){
   st_SetH=1;
   Serial.println("Set Timer Mode");
   Serial.println("-------------------");
   Serial.println("Set Hours");
   //-----------------ตั้งเวลา Hours ชม.---------------------------------//
    while(st_SetH==1){
     if(digitalRead(sw1)==0){
     while(digitalRead(sw1)==0)delay(10);
      SetH++;
      if(SetH >= 24) SetH=24;
      st_SetHok=1;
      Serial.println("Hours : "+String(SetH));
      delay(50);
     }//SetH++
     
      if(digitalRead(sw2)==0){
        while(digitalRead(sw2)==0)delay(10);
     // while(digitalRead(sw1)==0)delay(10);
      SetH--;
      if(SetH == 255) SetH=0;
      st_SetHok=1;
      Serial.println("Hours : "+String(SetH));
      delay(50);
     }//SetH--
     
     if(digitalRead(sw3)==0&&st_SetHok==1){
       st_SetH=0;
       st_SetHok=0;
       st_SetM=1;
       Serial.print("Set Hours Ok");
     }
       }//while SetH

    while(st_SetM==1){
     if(digitalRead(sw1)==0){
     while(digitalRead(sw1)==0)delay(10);
      SetM++;
      if(SetM >= 60) SetM=60;
      st_SetMok=1;
      Serial.println("Minute : "+String(SetM));
      delay(50);
     }//SetM++
     
      if(digitalRead(sw2)==0){
        while(digitalRead(sw2)==0)delay(10);
     // while(digitalRead(sw1)==0)delay(10);
      SetM--;
      if(SetM == 255) SetM=0;
      st_SetMok=1;
      Serial.println("Minute : "+String(SetM));
      delay(50);
     }//SetM--
     
     if(digitalRead(sw3)==0&&st_SetMok==1){
       st_SetM=0;
       st_SetMok=0;
       st_SetS=1;
       Serial.print("Set Minute Ok");
     }
    }//while SetM

    while(st_SetS==1){
     if(digitalRead(sw1)==0){
     while(digitalRead(sw1)==0)delay(10);
      SetS++;
      if(SetS >= 60) SetS=60;
      st_SetSok=1;
      Serial.println("Second : "+String(SetS));
      delay(50);
     }//SetS++
     
      if(digitalRead(sw2)==0){
        while(digitalRead(sw2)==0)delay(10);
     // while(digitalRead(sw1)==0)delay(10);
      SetS--;
      if(SetS == 255) SetS=0;
      st_SetSok=1;
      Serial.println("Second : "+String(SetS));
      delay(50);
     }//SetS--
     
     if(digitalRead(sw3)==0&&st_SetSok==1){
       st_SetS=0;
       st_SetSok=0;
  
       Serial.print("Set second Ok");
     
     }
    }//while SetS

 }//เช็คการกด sw3ค้าง
}//ifกดsw3วิ
Serial.println("Set Timer "+String(SetH)+":"+String(SetM)+":"+String(SetS));
  delay(1000);
};