Finger Print Attendance Reader

#include<EEPROM.h>
#include<LiquidCrystal.h>
LiquidCrystal lcd(13,12,11,10,9,8);
#include <SoftwareSerial.h>
SoftwareSerial fingerPrint(2,3);
#include <Wire.h>
#include  <RTClib.h>
RTC_DS1307 rtc;
#include <Adafruit_Fingerprint.h>
uint8_t id;
Adafruit_Fingerprint finger = Adafruit_Fingerprint(&fingerPrint);
#define enroll 14
#define del 15
#define up 16
#define down 17
#define match 5
#define indFinger 7
#define buzzer 5
#define records 4  // 5 for 5 user
int user1,user2,user3,user4,user5;
DateTime now;
void setup()
{
    delay(1000);
    lcd.begin(16,2);
    Serial.begin(9600);
    pinMode(enroll, INPUT_PULLUP);
    pinMode(up, INPUT_PULLUP);
    pinMode(down, INPUT_PULLUP);
    pinMode(del, INPUT_PULLUP);
    pinMode(match, INPUT_PULLUP);
    pinMode(buzzer, OUTPUT);
    pinMode(indFinger, OUTPUT);
    digitalWrite(buzzer, LOW);
    if(digitalRead(enroll) == 0)
    {
      digitalWrite(buzzer, HIGH);
      delay(500);
      digitalWrite(buzzer, LOW);
      lcd.clear();
      lcd.print("Please wait 004");
      lcd.setCursor(0,1);
      lcd.print("Downloding Data");
      Serial.println("Please wait 005");
      Serial.println("Downloding Data..");
      Serial.println();
      Serial.print("S.No.         ");
      for(int i=0;i<records;i++)
      {
              digitalWrite(buzzer, HIGH);
      delay(500);
      digitalWrite(buzzer, LOW);
        Serial.print("         User ID");
        Serial.print(i+1);
        Serial.print("                   ");
      }
      Serial.println();
      int eepIndex=0;
      for(int i=0;i<30;i++)
      {
        if(i+1<10)
        Serial.print('0');
        Serial.print(i+1);
        Serial.print("          ");
        eepIndex=(i*7);
        download(eepIndex);
        eepIndex=(i*7)+210;
        download(eepIndex);
        eepIndex=(i*7)+420;
        download(eepIndex);
        eepIndex=(i*7)+630;
        download(eepIndex);
      //  eepIndex=(i*7)+840;   // 5th user
      //  download(eepIndex);
        Serial.println();
      }
    }
    if(digitalRead(del) == 0)
    {
      lcd.clear();
      lcd.print("Please Wait 006");
      lcd.setCursor(0,1);
      lcd.print("Reseting.....");
      for(int i=1000;i<1005;i++)
      EEPROM.write(i,0);
      for(int i=0;i<841;i++)
      EEPROM.write(i, 0xff);
      lcd.clear();
      lcd.print("System Reset");
      delay(1000);
    }
    
    lcd.clear();
    lcd.print("   Attendance   ");
    lcd.setCursor(0,1);
    lcd.print("     System     ");
    delay(2000);
    lcd.clear();
    lcd.print("Circuit Digest");
    lcd.setCursor(0,1);
    lcd.print("Saddam Khan");
    delay(2000);
          digitalWrite(buzzer, HIGH);
      delay(500);
      digitalWrite(buzzer, LOW);
  for(int i=1000;i<1000+records;i++)
  {
    if(EEPROM.read(i) == 0xff)
        EEPROM.write(i,0);
   }
    finger.begin(57600);
    Serial.begin(9600);
    lcd.clear();
    lcd.print("Finding Module");
    lcd.setCursor(0,1);
    delay(1000);
    if (finger.verifyPassword())
    {
      Serial.println("Found fingerprint sensor!");
      lcd.clear();
      lcd.print("Found Module ");
      delay(1000);
    }
    else
    {
    Serial.println("Did not find fingerprint sensor :(");
    lcd.clear();
    lcd.print("module not Found");
    lcd.setCursor(0,1);
    lcd.print("Check Connections");
    while (1);
    }
     if (! rtc.begin())
       Serial.println("Couldn't find RTC");
    // rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
    if (! rtc.isrunning())
    {
    Serial.println("RTC is NOT running!");
    // following line sets the RTC to the date & time this sketch was compiled
       rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
    // This line sets the RTC with an explicit date & time, for example to set
    // January 21, 2014 at 3am you would call:
    // rtc.adjust(DateTime(2014, 1, 21, 3, 0, 0));
    }
lcd.setCursor(0,0);
 lcd.print("Press Match to ");
 lcd.setCursor(0,1);
 lcd.print("Start System");
 delay(2000);
 user1=EEPROM.read(1000);
  user2=EEPROM.read(1001);
   user3=EEPROM.read(1002); 
   user4=EEPROM.read(1003);
    user5=EEPROM.read(1004);
    lcd.clear();
    digitalWrite(indFinger, HIGH);
    
}
void loop()
{
    now = rtc.now();
    lcd.setCursor(0,0);
    lcd.print("Time->");
    lcd.print(now.hour(), DEC);
    lcd.print(':');
    lcd.print(now.minute(), DEC);
    lcd.print(':');
    lcd.print(now.second(), DEC);
    lcd.print("    ");
    lcd.setCursor(0,1);
    lcd.print("Date->");
    lcd.print(now.day(), DEC);
    lcd.print('/');
    lcd.print(now.month(), DEC);
    lcd.print('/');
    lcd.print(now.year(), DEC);
    lcd.print("     ");
    delay(500);
    int result=getFingerprintIDez();
    if(result>0)
    {
              digitalWrite(indFinger, LOW);
              digitalWrite(buzzer, HIGH);
              delay(100);
              digitalWrite(buzzer, LOW);
              lcd.clear();
              lcd.print("ID:");
              lcd.print(result);
              lcd.setCursor(0,1);
              lcd.print("Please Wait....");
              delay(1000);
              attendance(result);
              lcd.clear();
              lcd.print("Attendance ");
              lcd.setCursor(0,1);
              lcd.print("Registed");
              delay(1000);
        digitalWrite(indFinger, HIGH);
        return;
 }
 checkKeys();
 delay(300);
}
//     dmyyhms - 7 bytes
void attendance(int id)
{
  int user=0,eepLoc=0;
  if(id == 1)
  {
    eepLoc=0;
    user=user1++;
  }
  else if(id == 2)
  {
    eepLoc=210;
    user=user2++;
  }
  else if(id == 3)
  {
    eepLoc=420;
    user=user3++;
  }
  else if(id == 4)
  {
    eepLoc=630;
    user=user4++;
  }
  /*else if(id == 5)   // fifth user
  {
    eepLoc=840;
    user=user5++;
  }*/
  else 
  return;
  
    int eepIndex=(user*7)+eepLoc;
    EEPROM.write(eepIndex++, now.hour());
    EEPROM.write(eepIndex++, now.minute());
    EEPROM.write(eepIndex++, now.second());
    EEPROM.write(eepIndex++, now.day());
    EEPROM.write(eepIndex++, now.month());
    EEPROM.write(eepIndex++, now.year()>>8 );
    EEPROM.write(eepIndex++, now.year());
    EEPROM.write(1000,user1);
    EEPROM.write(1001,user2);
    EEPROM.write(1002,user3);
    EEPROM.write(1003,user4);
  //  EEPROM.write(4,user5);   // figth user
}
void checkKeys()
{
   if(digitalRead(enroll) == 0)
   {
    lcd.clear();
    lcd.print("Please Wait 001");
    delay(1000);
    while(digitalRead(enroll) == 0);
    Enroll();
   }
   else if(digitalRead(del) == 0)
   {
    lcd.clear();
    lcd.print("Please Wait 0002");
    delay(1000);
    delet();
   }
}
void Enroll()
{
   int count=1;
   lcd.clear();
   lcd.print("Enter Finger ID:");
   while(1)
   {
    lcd.setCursor(0,1);
     lcd.print(count);
     if(digitalRead(up) == 0)
     {
       count++;
       if(count>records)
       count=1;
       delay(500);
     }
     else if(digitalRead(down) == 0)
     {
       count--;
       if(count<1)
       count=records;
       delay(500);
     }
     else if(digitalRead(del) == 0)
     {
          id=count;
          getFingerprintEnroll();
          for(int i=0;i<records;i++)
          {
            if(EEPROM.read(i) != 0xff)
            {
              EEPROM.write(i, id);
              break;
            }
          }
          return;
     }
       else if(digitalRead(enroll) == 0)
     {
          return;
     }
 }
}
void delet()
{
   int count=1;
   lcd.clear();
   lcd.print("Enter Finger ID");
   while(1)
   {
    lcd.setCursor(0,1);
     lcd.print(count);
     if(digitalRead(up) == 0)
     {
       count++;
       if(count>records)
       count=1;
       delay(500);
     }
     else if(digitalRead(down) == 0)
     {
       count--;
       if(count<1)
       count=records;
       delay(500);
     }
     else if(digitalRead(del) == 0)
     {
          id=count;
          deleteFingerprint(id);
          for(int i=0;i<records;i++)
          {
            if(EEPROM.read(i) == id)
            {
              EEPROM.write(i, 0xff);
              break;
            }
          }
          return;
     }
       else if(digitalRead(enroll) == 0)
     {
          return;
     }
 }
}
uint8_t getFingerprintEnroll()
{
  int p = -1;
  lcd.clear();
  lcd.print("finger ID:");
  lcd.print(id);
  lcd.setCursor(0,1);
  lcd.print("Place Finger");
  delay(2000);
  while (p != FINGERPRINT_OK)
  {
    p = finger.getImage();
    switch (p)
    {
    case FINGERPRINT_OK:
      Serial.println("Image taken");
      lcd.clear();
      lcd.print("Image taken");
      break;
    case FINGERPRINT_NOFINGER:
      Serial.println("No Finger");
      lcd.clear();
      lcd.print("No Finger");
      break;
    case FINGERPRINT_PACKETRECIEVEERR:
      Serial.println("Communication error");
      lcd.clear();
      lcd.print("Comm Error");
      break;
    case FINGERPRINT_IMAGEFAIL:
      Serial.println("Imaging error");
      lcd.clear();
      lcd.print("Imaging Error");
      break;
    default:
      Serial.println("Unknown error");
       lcd.clear();
      lcd.print("Unknown Error");
      break;
    }
  }
  // OK success!
  p = finger.image2Tz(1);
  switch (p) {
    case FINGERPRINT_OK:
      Serial.println("Image converted");
      lcd.clear();
      lcd.print("Image converted");
      break;
    case FINGERPRINT_IMAGEMESS:
      Serial.println("Image too messy");
       lcd.clear();
       lcd.print("Image too messy");
      return p;
    case FINGERPRINT_PACKETRECIEVEERR:
      Serial.println("Communication error");
            lcd.clear();
      lcd.print("Comm Error");
      return p;
    case FINGERPRINT_FEATUREFAIL:
      Serial.println("Could not find fingerprint features");
            lcd.clear();
      lcd.print("Feature Not Found");
      return p;
    case FINGERPRINT_INVALIDIMAGE:
      Serial.println("Could not find fingerprint features");
                  lcd.clear();
      lcd.print("Feature Not Found");
      return p;
    default:
      Serial.println("Unknown error");
                  lcd.clear();
      lcd.print("Unknown Error");
      return p;
  }
  Serial.println("Remove finger");
  lcd.clear();
  lcd.print("Remove Finger");
  delay(2000);
  p = 0;
  while (p != FINGERPRINT_NOFINGER) {
    p = finger.getImage();
  }
  Serial.print("ID "); Serial.println(id);
  p = -1;
  Serial.println("Place same finger again");
   lcd.clear();
      lcd.print("Place Finger");
      lcd.setCursor(0,1);
      lcd.print("   Again");
  while (p != FINGERPRINT_OK) {
    p = finger.getImage();
    switch (p) {
    case FINGERPRINT_OK:
      Serial.println("Image taken");
      break;
    case FINGERPRINT_NOFINGER:
      Serial.print(".");
      break;
    case FINGERPRINT_PACKETRECIEVEERR:
      Serial.println("Communication error");
      break;
    case FINGERPRINT_IMAGEFAIL:
      Serial.println("Imaging error");
      break;
    default:
      Serial.println("Unknown error");
    }
  }
  // OK success!
  p = finger.image2Tz(2);
  switch (p) {
    case FINGERPRINT_OK:
      Serial.println("Image converted");
      break;
    case FINGERPRINT_IMAGEMESS:
      Serial.println("Image too messy");
      return p;
    case FINGERPRINT_PACKETRECIEVEERR:
      Serial.println("Communication error");
      return p;
    case FINGERPRINT_FEATUREFAIL:
      Serial.println("Could not find fingerprint features");
      return p;
    case FINGERPRINT_INVALIDIMAGE:
      Serial.println("Could not find fingerprint features");
      return p;
    default:
      Serial.println("Unknown error");
      return p;
  }
  // OK converted!
  Serial.print("Creating model for #");  Serial.println(id);
  p = finger.createModel();
  if (p == FINGERPRINT_OK) {
    Serial.println("Prints matched!");
  } else if (p == FINGERPRINT_PACKETRECIEVEERR) {
    Serial.println("Communication error");
    return p;
  } else if (p == FINGERPRINT_ENROLLMISMATCH) {
    Serial.println("Fingerprints did not match");
    return p;
  } else {
    Serial.println("Unknown error");
    return p;
  }
  Serial.print("ID "); Serial.println(id);
  p = finger.storeModel(id);
  if (p == FINGERPRINT_OK) {
    Serial.println("Stored!");
    lcd.clear();
    lcd.print("Stored!");
    delay(2000);
  } else if (p == FINGERPRINT_PACKETRECIEVEERR) {
    Serial.println("Communication error");
    return p;
  } else if (p == FINGERPRINT_BADLOCATION) {
    Serial.println("Could not store in that location");
    return p;
  } else if (p == FINGERPRINT_FLASHERR) {
    Serial.println("Error writing to flash");
    return p;
  }
  else {
    Serial.println("Unknown error");
    return p;
  }
}
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_OK)
  {
   lcd.clear();
   lcd.print("Finger Not Found");
   lcd.setCursor(0,1);
   lcd.print("Try Later");
   delay(2000);
  return -1;
  }
  // found a match!
  Serial.print("Found ID #");
  Serial.print(finger.fingerID);
  return finger.fingerID;
}
uint8_t deleteFingerprint(uint8_t id)
{
  uint8_t p = -1;
  lcd.clear();
  lcd.print("Please wait 003");
  p = finger.deleteModel(id);
  if (p == FINGERPRINT_OK)
  {
    Serial.println("Deleted!");
    lcd.clear();
    lcd.print("Figer Deleted");
    lcd.setCursor(0,1);
    lcd.print("Successfully");
    delay(1000);
  }
  else
  {
    Serial.print("Something Wrong");
    lcd.clear();
    lcd.print("Something Wrong");
    lcd.setCursor(0,1);
    lcd.print("Try Again Later");
    delay(2000);
    return p;
  }
}
void download(int eepIndex)
{
            
            if(EEPROM.read(eepIndex) != 0xff)
            {
              Serial.print("T->");
              if(EEPROM.read(eepIndex)<10)
              Serial.print('0');
              Serial.print(EEPROM.read(eepIndex++));
              Serial.print(':');  
              if(EEPROM.read(eepIndex)<10)
              Serial.print('0');
              Serial.print(EEPROM.read(eepIndex++));
              Serial.print(':'); 
              if(EEPROM.read(eepIndex)<10)
              Serial.print('0');
              Serial.print(EEPROM.read(eepIndex++));
              Serial.print("   D->");
              if(EEPROM.read(eepIndex)<10)
              Serial.print('0');
              Serial.print(EEPROM.read(eepIndex++));
              Serial.print('/');
              if(EEPROM.read(eepIndex)<10)
              Serial.print('0');           
              Serial.print(EEPROM.read(eepIndex++));
              Serial.print('/');            
              Serial.print(EEPROM.read(eepIndex++)<<8 | EEPROM.read(eepIndex++));
            }
            else
            {
               Serial.print("---------------------------");
            }
            Serial.print("         ");
}