def gpio_init(pin: int, output: bool) -> None: try: with open(f"/sys/class/gpio/gpio{pin}/direction", 'wb') as f: f.write(b"out" if output else b"in") except Exception as e: print(f"Failed to set gpio {pin} direction: {e}") def gpio_set(pin: int, high: bool) -> None: try: with open(f"/sys/class/gpio/gpio{pin}/value", 'wb') as f: f.write(b"1" if high else b"0") except Exception as e: print(f"Failed to set gpio {pin} value: {e}")