//#include <DS3231.h>
//#include <RTClib.h>
#include <Wire.h>
#include <LiquidCrystal.h>

LiquidCrystal lcd(2, 3, 4, 5, 6, 7);

//DS3231  rtc(SDA, SCL);
//DS3231  rtc();
//Time  t;
byte ss=0, mi=0, hh=0, wd=6, dd=1, mo=1, yy=0;
#define buz 11

int Hor;
int Min;
int Sec;


void setup()
{ 
 Wire.begin();
 //rtc.begin();
 Serial.begin(9600);
 pinMode(buz, OUTPUT);
 lcd.begin(16,2);
 lcd.setCursor(0,0);
 lcd.print("DIYHacking.com");
 lcd.setCursor(0,1);
 lcd.print("Arduino Alarm ");
 
 

 // The following lines can be uncommented to set the date and time
 //rtc.setDOW(WEDNESDAY);  // Set Day-of-Week to SUNDAY
 //rtc.setTime(12, 0, 0);  // Set the time to 00:00:00 (24hr format)
 //rtc.setDate(1, 1, 2014);  // Set the date to January 1st, 2014
 delay(2000);
}

void loop()
{
 /*t = rtc.getTime();
 Hor = t.hour;
 Min = t.min;
 Sec = t.sec; */
 lcd.setCursor(0,0);

 lcd.print("Time: ");
 //lcd.print(rtc.getTimeStr());
 lcd.setCursor(0,1);
 lcd.print("Date: ");
 //lcd.print(rtc.getDateStr());

/*
 if( Hor == 11 &&  (Min == 32 || Min == 33)) //Comparing the current time with the Alarm time

{

Buzzer();
Buzzer();
lcd.clear();
lcd.print("Alarm ON");
lcd.setCursor(0,1);
lcd.print("Alarming");
Buzzer();
Buzzer();

} 
 delay(1000); 
}

void Buzzer()

{
digitalWrite(buz,HIGH);
delay(500);
digitalWrite(buz, LOW);
delay(500);
}

*/

// ask RTC for the time
  // send request to receive data starting at register 0
  Wire.beginTransmission(0x68); // 0x68 is DS3231 device address
  Wire.write((byte)0); // start at register 0
  Wire.endTransmission();
  Wire.requestFrom(0x68, 7); // request seven bytes (ss, mi, hh, wd, dd, mo, yy)
  // check for a reply from the RTC, and use it if we can
  if (Wire.available() >= 7) { 
    // if we're here, we got a reply and it is long enough
    // so now we read the time
    ss = bcd2bin(Wire.read()); // get seconds
    mi = bcd2bin(Wire.read()); // get minutes
    hh = bcd2bin(Wire.read()); // get hours
    wd = bcd2bin(Wire.read());
    dd = bcd2bin(Wire.read());
    mo = bcd2bin(Wire.read());
    yy = bcd2bin(Wire.read());
    // show that we successfully got the time
   // Serial.print("Got the time: ");
    printTime();
  }
  else {
    // if we're here, that means we were unable to read the time
    Serial.println("Unable to read time from RTC"); 
  }
  //delay(500);
}

byte bcd2bin(byte x) {
  // converts from binary-coded decimal to a "regular" binary number
  return ((((x >> 4) & 0xF) * 10) + (x & 0xF)) ;
}

void printTime() {
  // just like it says on the tin
  //Serial.print ("\'");
 /* if (yy<10) Serial.print("0"); Serial.print(yy,DEC); Serial.print("-");
  if (mo<10) Serial.print("0"); Serial.print(mo,DEC); Serial.print("-");
  if (dd<10) Serial.print("0"); Serial.print(dd,DEC); Serial.print("(");
  switch (wd) {
    case 1: Serial.print("Mon"); break;
    case 2: Serial.print("Tue"); break; 
    case 3: Serial.print("Wed"); break; 
    case 4: Serial.print("Thu"); break; 
    case 5: Serial.print("Fri"); break; 
    case 6: Serial.print("Sat"); break; 
    case 7: Serial.print("Sun"); break;
    default: Serial.print("Bad");  
  }
  Serial.print(") ");*/
  if (hh<10) Serial.print("0"); Serial.print(hh,DEC); Serial.print(":");
  if (mi<10) Serial.print("0"); Serial.print(mi,DEC); Serial.print(":");
  if (ss<10) Serial.print("0"); Serial.print(ss,DEC); Serial.println("");
}