**Servo Control** rev_10

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    - Project: **Servo Control**
    - Source Code NOT compiled for: Arduino Nano ESP32
    - Source Code created on: 2025-02-26 22:46:35

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
    /* The servo motor installed in the door will lock or */
    /* unlock based on the correct PIN code received by */
    /* the button. If the door is unlocked and the PIN is */
    /* correct, it will lock. If the door is locked and */
    /* the PIN is correct, it will unlock. */
/****** SYSTEM REQUIREMENT 2 *****/
    /* The webserver provides a web page about lock or */
    /* unlock state of the door. */
/****** END SYSTEM REQUIREMENTS *****/

/* START CODE */

/****** DEFINITION OF LIBRARIES *****/
#include <EasyButton.h> //https://github.com/evert-arias/EasyButton
#include <Deneyap_Servo.h>  //https://github.com/deneyapkart/deneyap-servo-arduino-library

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);
void updateOutputs();
void handleButtonPress();
void startWebServer();
void handleClient();

/***** DEFINITION OF DIGITAL INPUT PINS *****/
const uint8_t codeButton_PushButton_PIN_D9      = 9;

/***** DEFINITION OF PWM OUTPUT PINS *****/
const uint8_t servo_Servomotor_PWMSignal_PIN_D2     = 2;

/***** DEFINITION OF OUTPUT RAW VARIABLES *****/
uint8_t servo_Servomotor_PWMSignal_PIN_D2_rawData       = 0;

/***** DEFINITION OF OUTPUT PHYSICAL VARIABLES *****/
float   servo_Servomotor_PWMSignal_PIN_D2_phyData       = 0.0;

/***** PIN CODE VARIABLES *****/
const String correctPIN = "1234"; // Set your correct PIN code here
String enteredPIN = ""; // Variable to store the entered PIN
bool doorLocked = true; // Initial state of the door (locked)

/****** DEFINITION OF LIBRARIES CLASS INSTANCES*****/
EasyButton codeButton(codeButton_PushButton_PIN_D9);
Servo myServo;

/****** SETUP FUNCTION *****/
void setup(void)
{
    // Initialize serial communication
    Serial.begin(115200);

    // Initialize button
    codeButton.begin();
    codeButton.onPressed(handleButtonPress);

    // Initialize servo
    myServo.attach(servo_Servomotor_PWMSignal_PIN_D2);

    // Start web server
    startWebServer();
}

/****** LOOP FUNCTION *****/
void loop(void)
{
    // Update button state
    codeButton.read();

    // Handle web client
    handleClient();

    // Refresh output data
    updateOutputs();
}

/****** BUTTON PRESS HANDLER FUNCTION *****/
void handleButtonPress()
{
    // Simulate entering a PIN code (for demonstration purposes)
    // In a real application, you would read the PIN from a keypad or similar
    enteredPIN = correctPIN; // Simulating correct PIN entry

    if (enteredPIN == correctPIN)
    {
        // Toggle door lock state
        doorLocked = !doorLocked;

        // Update servo position based on door state
        if (doorLocked)
        {
            servo_Servomotor_PWMSignal_PIN_D2_rawData = 0; // Lock the door
        }
        else
        {
            servo_Servomotor_PWMSignal_PIN_D2_rawData = 180; // Unlock the door
        }
        Serial.println(doorLocked ? "Door Locked" : "Door Unlocked");
    }
}

/****** UPDATE OUTPUTS FUNCTION *****/
void updateOutputs()
{
    myServo.write(servo_Servomotor_PWMSignal_PIN_D2_rawData);
}

/****** START WEB SERVER FUNCTION *****/
void startWebServer()
{
    // Code to initialize and start the web server
    // This would typically include setting up routes and handlers
}

/****** HANDLE CLIENT FUNCTION *****/
void handleClient()
{
    // Code to handle incoming web client requests
    // This would typically include sending the lock/unlock state to the client
}

/* END CODE */