| clear_serial | Clear the buffer of a serial connection. |
| close_all_serials | Close all serial devices. |
| close_serial | Close a serial device. |
| get_serial_param | Get the parameters of a serial device. |
| open_serial | Open a serial device. |
| read_serial | Read from a serial device. |
| set_serial_param | Set the parameters of a serial device. |
| write_serial | Write to a serial connection. |