#include "esp_private/esp_gpio_reserve.h"

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  for (uint8_t i = 0; i < SOC_GPIO_PIN_COUNT; i++) {
    if (!esp_gpio_is_reserved(BIT64(i))) Serial.printf("gpio %d dispo\n",i);
  }
}

void loop() {
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
}