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	- Project: Flashlight Toggle
	- Source Code NOT compiled for: Arduino Uno
	- Source Code created on: 2024-10-28 05:58:06

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
	/* turn flashlight on and off */
/****** END SYSTEM REQUIREMENTS *****/

/****** DEFINITION OF LIBRARIES *****/
#include 	// https://github.com/evert-arias/EasyButton

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

/***** DEFINITION OF DIGITAL INPUT PINS *****/
const uint8_t btn_PushButton_PIN_D2 = 2; // Button pin
const uint8_t flashlight_PIN = 9;        // Flashlight pin (LED)

/****** DEFINITION OF LIBRARIES CLASS INSTANCES *****/
// Initialize the EasyButton object with the button pin
EasyButton button(btn_PushButton_PIN_D2);

/****** FUNCTION DEFINITIONS *****/
// Function to be called when the button is pressed
void onPressed()
{
    // Toggle the flashlight state
    static bool flashlightState = false; // Variable to keep track of flashlight state
    flashlightState = !flashlightState;   // Toggle state
    digitalWrite(flashlight_PIN, flashlightState ? HIGH : LOW); // Set flashlight pin
    Serial.println(flashlightState ? "Flashlight ON" : "Flashlight OFF"); // Print current state
}

void setup(void)
{
    // Start serial communication at 115200 baud rate
    Serial.begin(115200);
    Serial.println();
    Serial.println(">>> EasyButton pressed example <<<");

    // Initialize the button
    button.begin();
    // Attach the onPressed function to the button press event
    button.onPressed(onPressed);

    // Set the button pin mode
    pinMode(btn_PushButton_PIN_D2, INPUT_PULLUP);
    
    // Set the flashlight pin mode
    pinMode(flashlight_PIN, OUTPUT); // Set flashlight pin as output
    digitalWrite(flashlight_PIN, LOW); // Ensure flashlight is off initially
}

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

/* END CODE */