Lock_Arduino/Lock/Lock.ino

/*                                     +---------+
  +----------------------------------->READ TAGS+^------------------------------------------+
  |                              +--------------------+                                     |
  |                              |                    |                                     |
  |                              |                    |                                     |
  |                         +----v-----+        +-----v----+                                |
  |                         |MASTER TAG|        |OTHER TAGS|                                |
  |                         +--+-------+        ++-------------+                            |
  |                            |                 |             |                            |
  |                            |                 |             |                            |
  |                      +-----v---+        +----v----+   +----v------+                     |
  |         +------------+READ TAGS+---+    |KNOWN TAG|   |UNKNOWN TAG|                     |
  |         |            +-+-------+   |    +-----------+ +------------------+              |
  |         |              |           |                |                    |              |
  |    +----v-----+   +----v----+   +--v--------+     +-v----------+  +------v----+         |
  |    |MASTER TAG|   |KNOWN TAG|   |UNKNOWN TAG|     |GRANT ACCESS|  |DENY ACCESS|         |
  |    +----------+   +---+-----+   +-----+-----+     +-----+------+  +-----+-----+         |
  |                       |               |                 |               |               |
  |       +----+     +----v------+     +--v---+             |               +--------------->
  +-------+EXIT|     |DELETE FROM|     |ADD TO|             |                               |
          +----+     |  EEPROM   |     |EEPROM|             |                               |
                     +-----------+     +------+             +-------------------------------+

   Typical pin layout used:
   -----------------------------------------------------------------------------------------
               MFRC522      Arduino       Arduino   Arduino    Arduino          Arduino
               Reader/PCD   Uno/101       Mega      Nano v3    Leonardo/Micro   Pro Micro
   Signal      Pin          Pin           Pin       Pin        Pin              Pin
   -----------------------------------------------------------------------------------------
   RST/Reset   RST          9             5         D9         RESET/ICSP-5     RST
   SPI SS      SDA(SS)      10            53        D10        10               10
   SPI MOSI    MOSI         11 / ICSP-4   51        D11        ICSP-4           16
   SPI MISO    MISO         12 / ICSP-1   50        D12        ICSP-1           14
   SPI SCK     SCK          13 / ICSP-3   52        D13        ICSP-3           15
*/

#include <EEPROM.h>  // We are going to read and write PICC's UIDs from/to EEPROM
#include <SPI.h>     // RC522 Module uses SPI protocol
#include <MFRC522.h> // Library for Mifare RC522 Devices
#include <avr/wdt.h>

#define ledView 13


//Ver 3
// LED 12V - A1
//Relay 1 - D5
//Button 1 - D8
// Relay 2 - D6
// Button 2 - D7

#ifdef COMMON_ANODE
#define LED_ON LOW
#define LED_OFF HIGH
#else
#define LED_ON HIGH
#define LED_OFF LOW
#endif

#define redLed 4    // Set Led Pins
#define greenLed 2
#define blueLed 3

#define relay 5 //6     // Set Relay 1 Pin
#define button 7 // button exit 

#define relay_2 6 //6     // Set Relay 1 Pin
#define button_2 8 // button exit 

#define wipeB A0     // Button pin for WipeMode

#define Light A1 // Led tro sang camera


int stt;
int stt_old;
String input;


int stt_2;
int stt_old_2;
String input_2;

bool Light_stt = false;
bool relay_stt = false;
bool relay_stt_2 = false;

bool sttRun = false;
bool Debug = false;

///////////////////////////////////////// Setup ///////////////////////////////////
void setup()
{
  //Arduino Pin Configuration
  pinMode(13, OUTPUT);
  pinMode(Light, OUTPUT);
  digitalWrite(13, LOW);
  
  pinMode(ledView, OUTPUT);
  pinMode(wipeB, INPUT_PULLUP); // Enable pin's pull up resistor
  pinMode(relay, OUTPUT);
  pinMode(relay_2, OUTPUT);
  pinMode(button,INPUT);
  pinMode(button_2,INPUT);
  
  digitalWrite(relay, HIGH); // Make sure door is locked
  digitalWrite(relay_2, HIGH); // Make sure door is locked
  digitalWrite(Light, LOW);
  //Protocol Configuration
  Serial.begin(9600); // Initialize serial communications with PC
}

///////////////////////////////////////// Main Loop ///////////////////////////////////
void loop()
{
    ReadButton();
    SerialRead();
    CheckButton();
}

/////////////////////////////////////////  Access Granted    ///////////////////////////////////
// Turn on Light camera
void TurnOn_Light() {
  digitalWrite(Light, HIGH);
  Light_stt = true;
}
void TurnOff_Light() {
  digitalWrite(Light, LOW);
  Light_stt = false;
}

void granted(uint16_t setDelay)
{

  digitalWrite(relay, LOW);       // Unlock door!
  digitalWrite(ledView, LOW);
  delay(setDelay);           // Hold door lock open for given seconds
  digitalWrite(relay, HIGH); // Relock door
  digitalWrite(ledView, HIGH);
  delay(200); // Hold green LED on for a second
}

void granted_2(uint16_t setDelay)
{

  digitalWrite(relay_2, LOW);       // Unlock door!
  digitalWrite(ledView, LOW);
  delay(setDelay);           // Hold door lock open for given seconds
  digitalWrite(relay_2, HIGH); // Relock door
  digitalWrite(ledView, HIGH);
  delay(200); // Hold green LED on for a second
}

// ADD Code

void ReadButton()
{
  stt = digitalRead(button);
  stt_2 = digitalRead(button_2);

  if (stt == 0 && stt_old == 1)
  {
    relay_stt = true;
    //Serial.println("Button 1 press");
  }
  else
  {
    relay_stt = false;
  }
    if (stt_2 == 0 && stt_old_2 == 1)
  {
    //Serial.println("Button 2 press");
    relay_stt_2 = true;
  }
  else
  {
    relay_stt_2 = false;
  }
  
  stt_old = stt;
  stt_old_2 = stt_2;
}



// SD MASTER: 2B429622
// SD TEST: C9B09B6E

void SerialRead()
{
  while (Serial.available() > 0)
  {
    input = Serial.readStringUntil('\r');
    //Serial.println(input);
    input.trim();
    if (input == "3") {
      if (Light_stt == false) {
        TurnOn_Light();
      }
      Serial.println("open_3");
      ClearSerialdata();

    } else if (input == "4") {
     
      if (Light_stt == true) {
        TurnOff_Light();
        
      }
       Serial.println("open_4");
      ClearSerialdata();
    }
    else if (input == "1")
    {
      
      if (relay_stt == false)
      {
        relay_stt = true;
        digitalWrite(13, HIGH);
      }
      Serial.println("open_1");
      ClearSerialdata();
    }else if (input == "2")
    {
      
      if (relay_stt_2 == false)
      {
        relay_stt_2 = true;
        digitalWrite(13, HIGH);
      }
      Serial.println("open_2");
      ClearSerialdata();
    }
    else
    {
      digitalWrite(13, LOW);
    }
  }
  ClearSerialdata();
}
void ClearSerialdata()
{
  while (Serial.available() > 0)
  {
    char c = Serial.read();
  }
}
void CheckButton()
{
  if (relay_stt == true)
  {
    granted(4000); // Open the door lock for 300 ms
    relay_stt = false;
    ClearSerialdata();
  }
  else
  {
    digitalWrite(relay, HIGH); // Unlock door!
    digitalWrite(ledView, HIGH);
    relay_stt = false;
  }
  //-------------------------
   if (relay_stt_2 == true)
  {
    granted_2(4000); // Open the door lock for 300 ms
    relay_stt_2 = false;
    ClearSerialdata();
  }
  else
  {
    digitalWrite(relay_2, HIGH); // Unlock door!
    digitalWrite(ledView, HIGH);
    relay_stt_2 = false;
  }
}