SMS Alert rev_02

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    - Project: SMS Alert
    - Source Code compiled for: Arduino Uno
    - Source Code created on: 2024-08-02 05:41:50

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
    /* Develop a system that leverages the EasyButton */
    /* library to detect button presses on pin D2, */
    /* triggering the Sim800L module to send alerts or */
    /* messages when the button state changes. */
/****** END SYSTEM REQUIREMENTS *****/

/****** DEFINITION OF LIBRARIES *****/
#include <EasyButton.h> //https://github.com/evert-arias/EasyButton
#include <Sim800L.h>    //https://github.com/SCRN92/Sim800L

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);
void onButtonPressed(); // Function prototype for button press handler

/***** DEFINITION OF DIGITAL INPUT PINS *****/
const uint8_t mb1_PushButton_PIN_D2 = 2;

/****** DEFINITION OF LIBRARIES CLASS INSTANCES*****/
// Initialize the EasyButton object for the push button
EasyButton mb1_PushButton(mb1_PushButton_PIN_D2);

// Initialize the Sim800L object with RX and TX pins
Sim800L sim800l(10, 11); // Create an instance of the Sim800L class with RX on pin 10 and TX on pin 11

/****** FUNCTION DEFINITIONS *****/
void setup(void)
{
    // Start the serial communication for debugging
    Serial.begin(115200);

    // Initialize the button with the specified pin
    mb1_PushButton.begin();

    // Set the pin mode for the button
    pinMode(mb1_PushButton_PIN_D2, INPUT_PULLUP);

    // Register the button press callback function
    mb1_PushButton.onPressed(onButtonPressed);

    // Initialize the SIM800L module with a baud rate
    sim800l.begin(9600); // Set the baud rate to 9600
}

void loop(void)
{
    // Read the button state
    mb1_PushButton.read();

    // Add any additional code to handle button presses here
}

// Function to handle button press
void onButtonPressed() {
    Serial.println("Button pressed! Sending alert..."); // Debug message

    // Check if the Sim800L module is ready
    // No need to check for readiness as begin() does not return a value
    // Instead, we can directly send the SMS
    if (sim800l.sendSms("1234567890", "Alert: Button was pressed!")) { // Replace with actual phone number
        Serial.println("SMS sent successfully.");
    } else {
        Serial.println("Failed to send SMS.");
    }
}

/* END CODE */