Bluetooth Alert rev_02

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    - Project: Bluetooth Alert
    - Source Code compiled for: Arduino Uno
    - Source Code created on: 2024-12-05 09:45:44

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
    /* Establezca conexión Bluetooth con un módulo ESP32 */
    /* utilizando SoftwareSerial; al perder la señal, */
    /* active un buzzer conectado a un pin digital para */
    /* alertar al usuario. */
/****** END SYSTEM REQUIREMENTS *****/


/* START CODE */

/****** DEFINITION OF LIBRARIES *****/
#include <SoftwareSerial.h>

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);
void checkBluetoothConnection(void);

/***** DEFINITION OF Software Serial *****/
const uint8_t pedro_HC05_mySerial_PIN_SERIAL_TX_A0 = A0;
const uint8_t pedro_HC05_mySerial_PIN_SERIAL_RX_A1 = A1;
SoftwareSerial pedro_HC05_mySerial(pedro_HC05_mySerial_PIN_SERIAL_RX_A1, pedro_HC05_mySerial_PIN_SERIAL_TX_A0);

/***** DEFINITION OF BUZZER PIN *****/
const uint8_t buzzerPin = 9; // Buzzer connected to digital pin 9

void setup(void)
{
    // Initialize serial communication with the Bluetooth module
    pedro_HC05_mySerial.begin(9600);

    // Initialize the buzzer pin as an output
    pinMode(buzzerPin, OUTPUT);

    // Ensure the buzzer is off initially
    digitalWrite(buzzerPin, LOW);
}

void loop(void)
{
    // Check Bluetooth connection status
    checkBluetoothConnection();

    // Add any other main code here
}

/***** FUNCTION TO CHECK BLUETOOTH CONNECTION *****/
void checkBluetoothConnection(void)
{
    // If no data is available from the Bluetooth module
    if (!pedro_HC05_mySerial.available())
    {
        // Activate the buzzer to alert the user
        digitalWrite(buzzerPin, HIGH); // Turn on buzzer
    }
    else
    {
        // If data is available, turn off the buzzer
        digitalWrite(buzzerPin, LOW); // Turn off buzzer
    }
}

/* END CODE */