Debounced Button rev_08

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    - Project: Debounced Button
    - Source Code NOT compiled for: Arduino Opta WiFi
    - Source Code created on: 2025-10-05 12:05:27

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
    /* Detect a debounced push-button event on A0 using */
    /* EasyButton; the input uses INPUT_PULLUP, so a */
    /* pressed state is LOW and should trigger the system */
    /* logic. Integrate flash over the air. */
/****** END SYSTEM REQUIREMENTS *****/


/* START CODE */

/****** DEFINITION OF LIBRARIES *****/
#include <EasyButton.h> //https://github.com/evert-arias/EasyButton
#ifdef OTA_ENABLED
#include <POTA.h> //https://github.com/pleasedontcode/POTA
#endif

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

/***** DEFINITION OF DIGITAL INPUT PINS *****/
const uint8_t button_PushButton_PIN_A0 = A0;

/****** DEFINITION OF LIBRARIES CLASS INSTANCES *****/
EasyButton button(button_PushButton_PIN_A0);

#ifdef OTA_ENABLED
POTA ota; // OTA manager (requires credentials configured in secrets.h)
volatile bool ota_trigger_requested = false;
bool ota_initialized = false;
#endif

void onButtonPressed(void)
{
  Serial.println("Button pressed"); // Debounced press detected by EasyButton
#ifdef OTA_ENABLED
  ota_trigger_requested = true;
#endif
}

void setup(void)
{
  // put your setup code here, to run once:
  Serial.begin(115200);
  // Ensure the input pin uses internal pull-up (pressed is LOW)
  pinMode(button_PushButton_PIN_A0, INPUT_PULLUP);

  // Initialize EasyButton
  button.begin();
  button.onPressed(onButtonPressed);

#ifdef OTA_ENABLED
  // Optional OTA initialization
  // Uncomment and fill credentials to enable OTA updates
  // Example (requires secrets.h):
  // ota.begin(WIFI_SSID, WIFI_PASSWORD, DEVICE_TYPE, FIRMWARE_VERSION, AUTH_TOKEN, SERVER_SECRET);
  // ota_initialized = true;
#endif
}

void loop(void)
{
  // Update button state
  button.read();

#ifdef OTA_ENABLED
  if (ota_trigger_requested)
  {
    ota_trigger_requested = false;
    Serial.println("OTA update requested via button.");
    // If OTA is properly configured, perform OTA check/start here.
    // This sample intentionally avoids hard-coding credentials.
    // Users should configure OTA by uncommenting initialization above
    // and calling: ota.checkAndPerformOTA();
  }
#endif
  // Other non-blocking tasks can be placed here
}

/* END CODE */