fingerprint attendance

#include <Adafruit_Fingerprint.h>
#include <SoftwareSerial.h>
#include <LiquidCrystal.h>
#include <EEPROM.h>
#include <Wire.h>
#define DS1307_ADDRESS 0x68
byte zero = 0x00;

LiquidCrystal lcd(8, 9, 10, 11, 12, 13);

byte second ,minute,hour, weekDay;
byte monthDay,month,year;

uint8_t id;
uint8_t getFingerprintEnroll();

// pin #2 is IN from sensor (GREEN wire)
// pin #3 is OUT from arduino (WHITE wire)
SoftwareSerial mySerial(2, 3);
Adafruit_Fingerprint finger = Adafruit_Fingerprint(&mySerial);

void setup(){
pinMode(7, OUTPUT);
digitalWrite(7, LOW);
delay(500);

Wire.begin();
/*
// Seting RTC
second=0;
minute=50;
hour=12;
monthDay=15;
month=10;
year=16;
setingRTC();
delay(100);
*/
Serial.begin(9600);

lcd.begin(16, 2);
lcd.clear();
lcd.print("Absensi karyawan");
lcd.setCursor(0,1);
lcd.print(" dg sidik jari");
delay(2000);
lcd.clear();
lcd.print("Test Koneksi");

// set the data rate for the sensor serial port
finger.begin(57600);

if (finger.verifyPassword()) {
lcd.setCursor(0,1);
lcd.print("OK !");
} else {
lcd.setCursor(0,1);
lcd.print("ERROR !");
while (1);
}
delay(2000);
}

//===================program utama
void loop(){
// bacaRTC();
lcd.setCursor(0, 0);
lcd.print("Absensi Karyawan");
lcd.setCursor(0, 1);
lcd.print(" Letakkan Jari ");
getFingerprintIDez();
kirimSerial();
delay(50);
}

int getFingerprintIDez() {
uint8_t p = finger.getImage();
if (p != FINGERPRINT_OK) return -1;

p = finger.image2Tz();
if (p != FINGERPRINT_OK) return -1;

p = finger.fingerFastSearch();
if (p == FINGERPRINT_NOTFOUND){
lcd.clear();
lcd.print(" Akses");
lcd.setCursor(0,1);
lcd.print(" Tidak Diterima");
digitalWrite(7, HIGH);
delay(3000);
digitalWrite(7, LOW);
delay(100);
return p;
}

if (p != FINGERPRINT_OK) return -1;
// found a match!
digitalWrite(7, HIGH);
delay(500);
digitalWrite(7, LOW);
delay(50);

bacaRTC();
lcd.clear();
lcd.print("Karyawan ");
lcd.print(finger.fingerID);
lcd.setCursor(0,1);
lcd.print(hour);
lcd.print(":");
lcd.print(minute);
lcd.print(":");
lcd.print(second);
lcd.print(" ");

lcd.print(monthDay);
lcd.print("/");
lcd.print(month);
lcd.print(" ");

//-------------------simpan data
id=finger.fingerID;
byte addr = (monthDay*10)+id;
EEPROM.write(addr, 0);
delay(4000);
lcd.clear();
return finger.fingerID;
}
/****************************************

• peta penyimpanan di EEPROM
• tanggal disimpan pada alamt 0

• ---

• tgl | Alamat EEPROM karyawan

• |  1   2   3   4   5   6   7   8   9   10
  

• ---

• 1 | 11 12 13 14 15 16 17 18 19 20
• 2 | 21 22 23 24 25 26 27 28 29 30
• 3 | 31 32 33 34 35 36 37 38 39 40
• 30 | 311 312 313 314 315 316 317 318 319 320

• ---

• Rumus Penyimpanan EEPROM=
• alamatSimpan = (tgl * 10)+id
• kode absensi:
• • 0 = Hadir
• • 255 = Alpha
    */

//---------------------------RTC Area
byte decToBcd(byte val){
return ( (val/10*16) + (val%10) );
}

byte bcdToDec(byte val) {
return ( (val/16*10) + (val%16) );
}

void bacaRTC(){
Wire.beginTransmission(DS1307_ADDRESS);
Wire.write(zero);
Wire.endTransmission();
Wire.requestFrom(DS1307_ADDRESS, 7);
second = bcdToDec(Wire.read());
minute = bcdToDec(Wire.read());
hour = bcdToDec(Wire.read() & 0b111111);
weekDay = bcdToDec(Wire.read());
monthDay = bcdToDec(Wire.read());
month = bcdToDec(Wire.read());
year = bcdToDec(Wire.read());
}

void setingRTC(){
Wire.beginTransmission(DS1307_ADDRESS);
Wire.write(zero); //stop RTC
Wire.write(decToBcd(second));
Wire.write(decToBcd(minute));
Wire.write(decToBcd(hour));
Wire.write(decToBcd(weekDay));
Wire.write(decToBcd(monthDay));
Wire.write(decToBcd(month));
Wire.write(decToBcd(year));
Wire.write(zero); //start
Wire.endTransmission();
}

void kirimSerial(){
if(Serial.available()){
char str;
str=Serial.read();
if (str=='R'){
/*
* ---------------------------------------------
* tgl | Absensi karyawan
* | 1 2 3 4 5 6 7 8 9 10
* ----------------------------------------------
* 1 | H H - - H H H H H H
* 2 | H H H H - H H H H H
* 3 |
*
* 30 |
* ---------------------------------------------
* H = HADIR
* - = ALPHA
*/

  for(byte i=0; i<60;i++){
    Serial.print('-');
  }      
  Serial.println('-');
  
  Serial.println(" tgl |       Absensi Karyawan");
  Serial.print  ("     |  ");
  
  for(byte i=1; i<11;i++){
    Serial.print(i);
    Serial.print("    ");
  }
  Serial.println("   ");
  
  for(byte i=0; i<60;i++){
    Serial.print('-');
  }
  Serial.println('-');
  
  byte value;
  byte address;
  byte j=0;
  String absensi="";
  for(byte tgl=1; tgl<31; tgl++){
    Serial.print(tgl);
    Serial.print("    |");
    j=tgl*10;
    for(byte i=1; i<11; i++){
      address=i+j;
      value = EEPROM.read(address);
      if (value==0) absensi="H";
      else absensi="-";
      Serial.print(" "+absensi+"   ");
    }
    Serial.println("  ");
  } 
  str=' ';
}
else if(str=='D'){
  Serial.println("Hapus Data");
  for(word i=0; i<310; i++){
    EEPROM.write(i, 255);
    Serial.println(".");
    delay(5);
  }
  Serial.println("Hapus Data Sukses!");
}

}
}