1.\" $NetBSD: uchcom.4,v 1.1 2007/09/03 18:02:17 tshiozak 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.\" 3. All advertising materials mentioning features or use of this software 18.\" must display the following acknowledgement: 19.\" This product includes software developed by the NetBSD 20.\" Foundation, Inc. and its contributors. 21.\" 4. Neither the name of The NetBSD Foundation nor the names of its 22.\" contributors may be used to endorse or promote products derived 23.\" from this software without specific prior written permission. 24.\" 25.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 26.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 29.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35.\" POSSIBILITY OF SUCH DAMAGE. 36.\" 37.Dd September 2, 2007 38.Dt UCHCOM 4 39.Os 40.Sh NAME 41.Nm uchcom 42.Nd USB support for WinChipHead CH341/CH340 serial adapters driver 43.Sh SYNOPSIS 44.Cd "uchcom* at uhub?" 45.Cd "ucom* at uchcom?" 46.Sh HARDWARE 47The 48.Nm 49driver supports the following adapters: 50.Pp 51.Bl -tag -width Dv -offset indent -compact 52.It HL USB-RS232 53.El 54.Sh DESCRIPTION 55The 56.Nm 57driver provides support for the WinChipHead CH341/CH340 USB-to-RS-232 58Bridge chip. 59.Pp 60The device is accessed through the 61.Xr ucom 4 62driver which makes it behave like a 63.Xr tty 4 . 64.Sh SEE ALSO 65.Xr tty 4 , 66.Xr ucom 4 , 67.Xr usb 4 68.Sh HISTORY 69The 70.Nm 71driver 72appeared in 73.Nx 5.0 . 74.Sh BUGS 75Actually, this chip seems unable to drive other than 8 data bits and 761 stop bit line. 77