Pushbutton Update rev_09

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    - Project: Pushbutton Update
    - Source Code NOT compiled for: Arduino Opta WiFi
    - Source Code created on: 2025-10-05 15:03:02

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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
#include <POTA.h>         // https://github.com/pleasedontcode/POTA

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

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

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

/*
  Callback invoked when the button is pressed.
  Triggers a POTA OTA check/perform.
*/
void buttonPressedOTA()
{
  Serial.println("A0 button pressed - attempting OTA");
  // Attempt OTA update using POTA
  POTAError err = ota.checkAndPerformOTA();
  if (err == POTAError::NO_UPDATE_AVAILABLE)
  {
    Serial.println("OTA: No update available");
  }
  else if (err != POTAError::SUCCESS)
  {
    Serial.print("OTA error: ");
    Serial.println(ota.errorToString(err));
  }
  else
  {
    Serial.println("OTA update started or completed");
  }
}

void setup(void)
{
  Serial.begin(115200);
  Serial.println();
  Serial.println("POTA OTA on A0 button (debounced) example");

  // Configure the input with internal pull-up to match system requirement
  pinMode(button_PushButton_PIN_A0, INPUT_PULLUP);

  // Initialize the button debouncer
  button.begin();

  // Attach press event
  button.onPressed(buttonPressedOTA);
}

void loop(void)
{
  // Update button state (debouncing handled by library)
  button.read();
  // You may add small delay here if desired
}

/* END CODE */