import serial
import sys

if len(sys.argv) != 2:
    print("Usage: python reboot_to_bootloader.py <serial_port>")
    sys.exit(1)

port = sys.argv[1]
try:
    ser = serial.Serial(port, 1200)
    ser.close()  # Closing the port triggers the reboot to BOOTSEL mode
    print(f"Rebooted {port} to BOOTSEL mode")
except Exception as e:
    print(f"Error: {e}")
    sys.exit(1)