freebsd-dev/usr.sbin/usbd/usbd.8

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.\" $NetBSD: usbd.8,v 1.2 1998/07/13 11:01:50 augustss Exp $
.\" Copyright (c) 1998 The NetBSD Foundation, Inc.
.\" All rights reserved.
.\"
.\" Author: Lennart Augustsson
.\"
.\" 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 following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" must display the following acknowledgement:
.\" This product includes software developed by the NetBSD
.\" Foundation, Inc. and its contributors.
.\" 4. Neither the name of The NetBSD Foundation nor the names of its
.\" contributors may be used to endorse or promote products derived
.\" from this software without specific prior written permission.
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.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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.\"
.Dd July 12, 1998
.Dt USBD 8
.Os
.Sh NAME
.Nm usbd
.Nd supervise USB attach/detach
.Sh SYNOPSIS
.Nm
.Op Fl d
.Op Fl f Ar device
.Op Fl t Ar timeout
.Op Fl v
.Sh DESCRIPTION
.Nm
handles the USB device attachment and detachment.
.Pp
The options are as follows:
.Bl -tag -width Ds
.It Fl d
Enable debugging to the standard output,
and do not disassociate from the controlling terminal.
.It Fl e
Do one device tree exploration and then exit.
.It Fl f Ar device
Specify the pathname of a USB controller device file.
The flag may be repeated to watch more than one USB controller.
The default is
.Pa /dev/usb0 ,
.Pa /dev/usb1 ,
.Pa /dev/usb2 ,
and
.Pa /dev/usb3 .
.It Fl t Ar timeout
Set the timeout interval (in seconds) before an exploration happens
without being triggered by a connect or disconnect.
A timeout of 0 means that there is no timeout. The default is 30.
.It Fl v
Be verbose.
.El
.Sh SEE ALSO
.Xr usb 4
.Sh HISTORY
The
.Nm
command appeared in
.Nx 1.4 .