#include "pico/stdlib.h"

/**
 * @brief Toggles an LED and waits for a specified delay
 *
 * @param led_pin GPIO pin connected to the LED
 * @param delay_ms Delay in milliseconds
 */
void blinkLED(uint led_pin, uint delay_ms) {
  static bool state = false;
  state = !state;
  gpio_put(led_pin, state);
  sleep_ms(delay_ms);
}

int main() {
  const uint LED_PIN   = 25;
  const uint LED_DELAY = 500;

  gpio_init(LED_PIN);
  gpio_set_dir(LED_PIN, GPIO_OUT);

  while (true) {
      blinkLED(LED_PIN, LED_DELAY);
  }

  return 0;
}