1.\" $NetBSD: ucom.4,v 1.9 2002/03/22 00:39:40 augustss Exp $ 2.\" 3.\" Copyright (c) 1999 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" This code is derived from software contributed to The NetBSD Foundation 7.\" by Lennart Augustsson. 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 acknowledgment: 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.\" $FreeBSD$ 38.\" 39.Dd March 1, 2008 40.Dt UCOM 4 41.Os 42.Sh NAME 43.Nm ucom 44.Nd USB tty support 45.Sh SYNOPSIS 46To compile this driver into the kernel, 47place the following line in your 48kernel configuration file: 49.Bd -ragged -offset indent 50.Cd "device ucom" 51.Ed 52.Pp 53Alternatively, to load the driver as a 54module at boot time, place the following line in 55.Xr loader.conf 5 : 56.Bd -literal -offset indent 57ucom_load="YES" 58.Ed 59.Sh DESCRIPTION 60The 61.Nm 62driver attaches to USB modems, serial ports, and other devices that need 63to look like a tty. 64The 65.Nm 66driver shows a behavior like a 67.Xr tty 4 . 68This means that normal programs such as 69.Xr tip 1 70or 71.Xr pppd 8 72can be used to access the device. 73.Pp 74The 75.Va portno 76locater can be used to decide which port to use for devices that have 77multiple external ports. 78.Sh BUGS 79Prior to 80.Fx 6.0 81.Nm 82created 83.Pa /dev/ucom? 84rather than the uniform device names created today. 85Old scripts must be adjusted accordingly. 86.Sh FILES 87.Bl -tag -width ".Pa /dev/cuaU?" 88.It Pa /dev/cuaU? 89.It Pa /dev/ttyU? 90.El 91.Sh SEE ALSO 92.Xr tty 4 , 93.Xr uark 4 , 94.Xr uchcom 4 , 95.Xr uftdi 4 , 96.Xr umct 4 , 97.Xr umodem 4 , 98.Xr uplcom 4 , 99.Xr usb 4 , 100.Xr uvisor 4 , 101.Xr uvscom 4 102.Sh HISTORY 103The 104.Nm 105driver was adopted from 106.Nx 107in March of 2002. 108This manual page was adopted from 109.Nx 110by 111.An Tom Rhodes Aq trhodes@FreeBSD.org 112in April 2002. 113