//Libraries
#include <Wire.h>
#include "RTClib.h"
#include <LiquidCrystal_I2C.h>


//Connections and constants
LiquidCrystal_I2C lcd(0x27,16,2);
RTC_DS1307 rtc;
char daysOfTheWeek[7][12]= {"Sunday","Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};
const int btSet = A0;
const int btAdj = A1;
const int btAlarm = A2;


//Variables
int DD,MM,YY,H,M,S,set_state,adjust_state,alarm_state,AH,AM,shake_state;
String alarm = "     ";


//Boolean flags
boolean setupScreen = false ;
boolean alarmOn = false ;


void setup() {
// init RTC and LCD library items
  rtc.begin();
  lcd.begin(16,2);
//Set outputs/inputs
  pinMode(btSet, INPUT_PULLUP);
  pinMode (btAdj, INPUT_PULLUP);
  pinMode (btAlarm, INPUT_PULLUP);


  Serial.begin(9600);
  Serial.print("System Ready");
  lcd.backlight();


 //Check if RTC has a valid time/date, if not set it to 00:00:00 01/01/2018.
 //this will run only at first time or if the coin battery is low.
 if (!rtc.isrunning()){
   Serial.println("RTC in NOT running");
   //This line sets the RTC with an explicit date & time, for example to set
   //January 1,2018 at 00:00am you would call:
   rtc.adjust(DateTime(2018,01,01.00,00,00));
 }
 delay(100);

  


}
void loop() {
   
}

void readBtns(){
  set_state = digitalRead(btSet);
  adjust_state = digitalRead(btAdj);
  alarm_state = digitalRead(btAlarm);

  if(!setupScreen){
    if(alarm_state == LOW){
      if(alarmOn){
        alarm ="     ";
        alarmOn = false;
      }
      else{
        alarmOn = true ;
      }
      delay(500)
    }
  }

}