[General] HOW TO DISPLAY 7 SEGMENT FROM RTC DS 1307 using arduino mega

[CODE]#include "Wire.h"
#define DS1307_ADDRESS 0x68


void setup(){
  Wire.begin();
  Serial.begin(9600);
}

void loop(){
  printDate();
  delay(1000);
}

byte bcdToDec(byte val)  {
// Convert binary coded decimal to normal decimal numbers
  return ( (val/16*10) + (val%16) );
}

void printDate(){

  // Reset the register pointer
  Wire.beginTransmission(DS1307_ADDRESS);

  byte zero = 0x00;
  Wire.write(zero);
  Wire.endTransmission();

  Wire.requestFrom(DS1307_ADDRESS, 7);

  int second = bcdToDec(Wire.read());
  int minute = bcdToDec(Wire.read());
  int hour = bcdToDec(Wire.read() & 0b111111); //24 hour time
  int weekDay = bcdToDec(Wire.read()); //0-6 -> sunday - Saturday
  int monthDay = bcdToDec(Wire.read());
  int month = bcdToDec(Wire.read());
  int year = bcdToDec(Wire.read());

  //print the date
  Serial.print(month);
  Serial.print("/");
  Serial.print(monthDay);
  Serial.print("/");
  Serial.print(year);
  Serial.print(" ");
  Serial.print(hour);
  Serial.print(":");
  Serial.print(minute);
  Serial.print(":");
  Serial.println(second);

}[/CODE

#include <Wire.h>

#define DS1307_ADDRESS 0x68
int min1=0,x,y,hr1,a,b;

int inputs1[4] = {22,23,24,25};// A,B,C,D inputs
int inputs2[4] = {26,27,28,29};

byte BCD[10][4] ={{0,0,0,0},{1,0,0,0},{0,1,0,0},{1,1,0,0},{0,0,1,0},               
{1,0,1,0},{0,1,1,0},{1,1,1,0},{0,0,0,1},{1,0,0,1}};            // BCD input array for ic 4511
// 
byte controlPins[2][4] = {{0,0,0,0},{1,0,0,0}}; //BCD input to latch
int selectlatch[4] = {40,41,42,43};        // ABCD input multiplexer           
                      
void setup()
{
  for(int v=0;v<2;v++) {
  pinMode (selectlatch[v],OUTPUT); 
 delay(2000);}// set  outputs
  for(int z = 0; z < 4; z++){
pinMode(inputs1[z], OUTPUT); //set outputs
pinMode(inputs2[z],OUTPUT);
}
Wire.begin();
Serial.begin(9600);

}
void loop()
{
  
   printDate();
    delay (1000);
 
   
for(int c = 0; c < 4; c++){
    digitalWrite(selectlatch[c],controlPins[1][c]);
    digitalWrite(inputs1[c], BCD[y][c]); 
    digitalWrite(inputs2[c], BCD[x][c]);
    delay (1000);}
    
for(int c = 0; c < 4; c++){
    digitalWrite(selectlatch[c],controlPins[2][c]);
    digitalWrite(inputs1[c], BCD[b][c]); 
    digitalWrite(inputs2[c], BCD[a][c]);
    delay (1000);}
  
 
  
}
byte bcdToDec(byte val)  {
// Convert binary coded decimal to normal decimal numbers
  return ( (val/16*10) + (val%16) );
}
void printDate(){
  
 

  // Reset the register pointer
  Wire.beginTransmission(DS1307_ADDRESS);

  byte zero = 0x00;
  Wire.write(zero);
  Wire.endTransmission();

  Wire.requestFrom(DS1307_ADDRESS, 7);

  int second = bcdToDec(Wire.read());
  int minute = bcdToDec(Wire.read());
  int hour = bcdToDec(Wire.read() & 0b111111); //24 hour time
  int weekDay = bcdToDec(Wire.read()); //0-6 -> sunday - Saturday
  int monthDay = bcdToDec(Wire.read());
  int month = bcdToDec(Wire.read());
  int year = bcdToDec(Wire.read());

  //print the date EG   3/1/11 23:59:59
  Serial.print(month);
  Serial.print("/");
  Serial.print(monthDay);
  Serial.print("/");
  Serial.print(year);
  Serial.print(" ");
  Serial.print(hour);
  Serial.print(":");
  Serial.print(minute);
  Serial.print(":");
  Serial.println(second);
   min1=minute;               // min1 contains minutes
   hr1=hour;
   y=min1/10;                       // First digit of minute
   x=min1-(y*10);                   // Second digit of minute
   b=hr1/10;                        // First digit of hour
   a=hr1-(b *10);                   // Second digit of hour
  return;
}