**Servo Control** rev_09

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    - Project: **Servo Control**
    - Source Code NOT compiled for: Arduino Nano ESP32
    - Source Code created on: 2025-02-23 11:07:03

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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"; // Define the correct PIN code
String inputPIN = ""; // Variable to store the input PIN
bool doorLocked = true; // Initial state of the door (locked)

/****** DEFINITION OF LIBRARIES CLASS INSTANCES*****/
// Create instances for EasyButton and Servo
EasyButton button(codeButton_PushButton_PIN_D9);
Servo servoMotor;

void setup(void)
{
    // put your setup code here, to run once:
    pinMode(codeButton_PushButton_PIN_D9, INPUT_PULLUP);
    pinMode(servo_Servomotor_PWMSignal_PIN_D2, OUTPUT);

    // Initialize the button
    button.begin();
    button.onPressed(handleButtonPress); // Set the button press handler

    // Initialize servo motor
    servoMotor.attach(servo_Servomotor_PWMSignal_PIN_D2);

    // Start the web server
    startWebServer();
}

void loop(void)
{
    // put your main code here, to run repeatedly:
    button.read(); // Read the button state
    handleClient(); // Handle web server client requests
    updateOutputs(); // Refresh output data
}

void updateOutputs()
{
    // Update the servo position based on the lock state
    if (doorLocked) {
        servo_Servomotor_PWMSignal_PIN_D2_rawData = 0; // Locked position
    } else {
        servo_Servomotor_PWMSignal_PIN_D2_rawData = 180; // Unlocked position
    }
    analogWrite(servo_Servomotor_PWMSignal_PIN_D2, servo_Servomotor_PWMSignal_PIN_D2_rawData);
}

void handleButtonPress()
{
    // Simulate entering a PIN code (for demonstration purposes)
    inputPIN += "1"; // Append a digit (this should be replaced with actual input handling)
    if (inputPIN.length() == 4) { // Check if 4 digits are entered
        if (inputPIN == correctPIN) {
            doorLocked = !doorLocked; // Toggle the lock state
        }
        inputPIN = ""; // Reset the input PIN
    }
}

void startWebServer() {
    // Code to initialize and start the web server
}

void handleClient() {
    // Code to handle incoming client requests and serve the web page
    // This should display the current lock state of the door
}

/* END CODE */