#include <stdio.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "driver/gpio.h"

// Define the GPIO pin connected to the button
#define BUTTON_PIN GPIO_NUM_3 // Change this if using a different GPIO pin

void app_main() {
    // Configure the button pin as an input with an internal pull-up resistor
    gpio_config_t io_conf = {
        .pin_bit_mask = (1ULL << BUTTON_PIN),
        .mode = GPIO_MODE_INPUT,
        .pull_up_en = GPIO_PULLUP_ENABLE,
        .pull_down_en = GPIO_PULLDOWN_DISABLE,
        .intr_type = GPIO_INTR_DISABLE
    };
    gpio_config(&io_conf);

    printf("Button Polling Example\n");

    while (1) {
        // Read the state of the button (HIGH if pressed, LOW if not)
        int buttonState = gpio_get_level(BUTTON_PIN);

        // Check if the button is pressed
        if (buttonState == 0) {
            printf("Button Pressed\n");
        } else {
            printf("Button Released\n");
        }

        // Add a small delay to avoid flooding the Serial Monitor
        vTaskDelay(500 / portTICK_PERIOD_MS);
    }
}