uchcom (4)

Leading comments

$NetBSD: uchcom.4,v 1.2 2008/04/30 13:10:54 martin Exp $

Copyright (c) 2007 The NetBSD Foundation, Inc.
All rights reserved.

This code is derived from software contributed to The NetBSD Foundation
by Takuya SHIOZAKI (tshiozak@netbsd.org).

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
   notice, this list of conditions and the fol...

(The comments found at the beginning of the groff file "man4/uchcom.4freebsd".)

NAME

uchcom - WinChipHead CH341/CH340 serial adapter driver

SYNOPSIS

To compile this driver into the kernel, place the following lines in your kernel configuration file:

device usb device ucom device uchcom

Alternatively, to load the driver as a module at boot time, place the following line in loader.conf5:

uchcom_load="YES"

DESCRIPTION

The ifconfig driver provides support for the WinChipHead CH341/CH340 USB-to-RS-232 Bridge chip.

The device is accessed through the ucom(4) driver which makes it behave like a tty(4).

HARDWARE

The ifconfig driver supports the following adapters:

• HL USB-RS232

SEE ALSO

tty(4), ucom(4), usb(4)

HISTORY

The ifconfig driver first appeared in Nx . The first Fx release to include it was Fx 8.0 .

BUGS

Actually, this chip seems unable to drive other than 8 data bits and 1 stop bit line.