1.\" $NetBSD: uchcom.4,v 1.2 2008/04/30 13:10:54 martin Exp $ 2.\" 3.\" Copyright (c) 2007 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" This code is derived from software contributed to The NetBSD Foundation 7.\" by Takuya SHIOZAKI (tshiozak@netbsd.org). 8.\" 9.\" Redistribution and use in source and binary forms, with or without 10.\" modification, are permitted provided that the following conditions 11.\" are met: 12.\" 1. Redistributions of source code must retain the above copyright 13.\" notice, this list of conditions and the following disclaimer. 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in the 16.\" documentation and/or other materials provided with the distribution. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28.\" POSSIBILITY OF SUCH DAMAGE. 29.\" 30.Dd September 2, 2007 31.Dt UCHCOM 4 32.Os 33.Sh NAME 34.Nm uchcom 35.Nd USB support for WinChipHead CH341/CH340 serial adapters driver 36.Sh SYNOPSIS 37.Cd "uchcom* at uhub?" 38.Cd "ucom* at uchcom?" 39.Sh HARDWARE 40The 41.Nm 42driver supports the following adapters: 43.Pp 44.Bl -tag -width Dv -offset indent -compact 45.It HL USB-RS232 46.El 47.Sh DESCRIPTION 48The 49.Nm 50driver provides support for the WinChipHead CH341/CH340 USB-to-RS-232 51Bridge chip. 52.Pp 53The device is accessed through the 54.Xr ucom 4 55driver which makes it behave like a 56.Xr tty 4 . 57.Sh SEE ALSO 58.Xr tty 4 , 59.Xr ucom 4 , 60.Xr usb 4 61.Sh HISTORY 62The 63.Nm 64driver 65appeared in 66.Nx 5.0 . 67.Sh BUGS 68Actually, this chip seems unable to drive other than 8 data bits and 691 stop bit line. 70