SmartGageContro.ino

// http://geek.adachsoft.com
//card    int                 hex                 uid
//card1 - 136-4-118-179-73    88-4-76-B3-49       4-76-B3-1A-4B-3F-80
//card2 - 204-153-242-137-46  CC-99-F2-89-2E      CC-99-F2-89
//card3 - 245-74-201-73-63    F5-4A-C9-49-3F      F5-4A-C9-49
//card4 - 23-103-238-43-181   17-67-EE-2B-B5      17-67-EE-2B

#include <SPI.h>
#include <MFRC522.h>
#include <Servo.h>
#include <SoftwareSerial.h>
#include <LiquidCrystal_I2C.h>
#include "pitch.h"
#define SERVO_PIN 3
#define RFID_SS_PIN 10
#define RST_PIN 9
#define BUZZER_PIN 2

SoftwareSerial BlueTooth(5, 4); //Txd - 10, Rxd - 11
LiquidCrystal_I2C lcd(0x27, 20, 4); //tochange with 16,2
Servo myservo;  // create servo object to control a servo
MFRC522 mfrc522(RFID_SS_PIN, RST_PIN);   // Create MFRC522 instance.

void funLCDprint(String data, int col = 0, int line = 0, int iDelayTime = 0, int clearstatus = 0)
{
  if (clearstatus == 1)
  {
    lcd.clear();
  }
  lcd.setCursor(col, line); //Start at character location (col,line)
  lcd.print(data);
  Serial.println(data);
  delay(iDelayTime);
}

void setup() {
  lcd.begin();
  lcd.backlight();
  Serial.begin(9600);
  BlueTooth.begin(9600);
  SPI.begin();
  mfrc522.PCD_Init();
  funLCDprint("Smart Gate Control");
  Serial.println("");

  myservo.attach(SERVO_PIN);
  myservo.write( 80 );
  delay(1000);
  myservo.detach();
}

void loop() {

  int j = 0;
  char ca[6];
  for (int i = 0; i < 6; i++)
  {
    ca[i] = '\0';
  }
  if (BlueTooth.available()) {
    Serial.println("bt");
    while (BlueTooth.available() > 0)
    {
      char ch = BlueTooth.read();
      ca[j] = ch;
      j++;
      Serial.println(ch);
    }
    String cmd(ca);
    Serial.println(cmd);
    if (cmd == "open")
    {
      funLCDprint("opening gate by bluetooth");
      gateopen();
    }
    else if (cmd == "close")
    {
      funLCDprint("closing gate by bluetooth");
      gateclose();
    }
  }
  else
  {

  }



  //Look for new cards
  //digitalWrite(RFID_SS_PIN, LOW);
  if ( !mfrc522.PICC_IsNewCardPresent() ) {
    return;
  }
  //Select one of the cards
  if ( !mfrc522.PICC_ReadCardSerial() ) {
    return;
  }

  String content = "";
  byte letter;
  for ( byte i = 0; i < mfrc522.uid.size; i++ ) {
    content.concat(String(mfrc522.uid.uidByte[i], HEX));
    if ( i < mfrc522.uid.size - 1 ) content += "-";
  }
  content.toUpperCase();
  Serial.println();
  funLCDprint("UID tag :'", 0, 1, 0, 1);
  funLCDprint(content, 0, 2, 0, 1);

  if ( content == "4-76-B3-1A-4B-3F-80") {
    gateopen();
  }
  else if ( content == "17-67-EE-2B") {
    gateclose();
  }
  else {
    funLCDprint("Access denied");
    beep2(1);
  }
  delay(100);
}

void gateopen()
{
  beep1();
  funLCDprint("Authorized access");
  myservo.attach(SERVO_PIN);
  myservo.write( 150 );
  delay(500);
  myservo.detach();
}

void gateclose()
{
  beep1();
  funLCDprint("Door Close");
  myservo.attach(SERVO_PIN);
  myservo.write( 80 );
  delay(500);
  myservo.detach();
}

void beep1()
{
  tone(BUZZER_PIN, 1500);
  delay(500);
  noTone(BUZZER_PIN);
  delay(500);
}

void beep2(int lapTime)
{
  if (lapTime == 1)
  {
    for (uint8_t nLoop = 0; nLoop < 4; nLoop ++)
    {
      tone(BUZZER_PIN, NOTE_A5);
      delay(NOTE_SUSTAIN);
      tone(BUZZER_PIN, NOTE_B5);
      delay(NOTE_SUSTAIN);
      tone(BUZZER_PIN, NOTE_C5);
      delay(NOTE_SUSTAIN);
      tone(BUZZER_PIN, NOTE_B5);
      delay(NOTE_SUSTAIN);
      tone(BUZZER_PIN, NOTE_C5);
      delay(NOTE_SUSTAIN);
      tone(BUZZER_PIN, NOTE_D5);
      delay(NOTE_SUSTAIN);
      tone(BUZZER_PIN, NOTE_C5);
      delay(NOTE_SUSTAIN);
      tone(BUZZER_PIN, NOTE_D5);
      delay(NOTE_SUSTAIN);
      tone(BUZZER_PIN, NOTE_E5);
      delay(NOTE_SUSTAIN);
      tone(BUZZER_PIN, NOTE_D5);
      delay(NOTE_SUSTAIN);
      tone(BUZZER_PIN, NOTE_E5);
      delay(NOTE_SUSTAIN);
      tone(BUZZER_PIN, NOTE_E5);
      delay(NOTE_SUSTAIN);
    }
    noTone(BUZZER_PIN);
  }
  else
  {
    tone(BUZZER_PIN, NOTE_G4);
    delay(250);
    tone(BUZZER_PIN, NOTE_C4);
    delay(500);
    noTone(BUZZER_PIN);
  }
}