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109 lines
2.9 KiB
Groff
109 lines
2.9 KiB
Groff
.\" $NetBSD: ucom.4,v 1.9 2002/03/22 00:39:40 augustss Exp $
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.\"
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.\" Copyright (c) 1999 The NetBSD Foundation, Inc.
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.\" All rights reserved.
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.\"
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.\" This code is derived from software contributed to The NetBSD Foundation
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.\" by Lennart Augustsson.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd October 3, 2014
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.Dt UCOM 4
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.Os
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.Sh NAME
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.Nm ucom
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.Nd USB tty support
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.Sh SYNOPSIS
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To compile this driver into the kernel,
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place the following line in your
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kernel configuration file:
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.Bd -ragged -offset indent
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.Cd "device ucom"
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.Ed
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.Pp
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Alternatively, to load the driver as a
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module at boot time, place the following line in
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.Xr loader.conf 5 :
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.Bd -literal -offset indent
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ucom_load="YES"
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.Ed
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.Sh DESCRIPTION
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The
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.Nm
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driver attaches to USB modems, serial ports, and other devices that need
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to look like a tty.
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The
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.Nm
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driver shows a behavior like a
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.Xr tty 4 .
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This means that normal programs such as
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.Xr tip 1
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or
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.Xr ppp 8
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can be used to access the device.
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.Pp
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The
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.Va portno
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locater can be used to decide which port to use for devices that have
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multiple external ports.
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.Sh FILES
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.Bl -tag -width ".Pa /dev/cuaU?"
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.It Pa /dev/cuaU?
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.It Pa /dev/ttyU?
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.El
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.Sh SEE ALSO
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.Xr tty 4 ,
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.Xr uark 4 ,
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.Xr uchcom 4 ,
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.Xr uftdi 4 ,
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.Xr umcs 4 ,
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.Xr umct 4 ,
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.Xr umodem 4 ,
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.Xr umoscom 4 ,
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.Xr uplcom 4 ,
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.Xr usb 4 ,
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.Xr uslcom 4 ,
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.Xr uvisor 4 ,
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.Xr uvscom 4
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.Sh HISTORY
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The
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.Nm
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driver was adopted from
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.Nx
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in March of 2002.
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This manual page was adopted from
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.Nx
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by
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.An Tom Rhodes Aq Mt trhodes@FreeBSD.org
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in April 2002.
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.Sh BUGS
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Prior to
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.Fx 6.0
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.Nm
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created
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.Pa /dev/ucom?
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rather than the uniform device names created today.
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Old scripts must be adjusted accordingly.
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