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.\" $NetBSD: usbhidctl.1,v 1.8 1999/05/11 21:03:58 augustss Exp $
.\" $FreeBSD$
.\"
.\" Copyright (c) 1998 The NetBSD Foundation, Inc.
.\" All rights reserved.
.\"
.\" This code is derived from software contributed to The NetBSD Foundation
.\" by 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
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
.\" POSSIBILITY OF SUCH DAMAGE.
.\"
.Dd August 1, 2011
.Dt USBHIDCTL 1
.Os
.Sh NAME
.Nm usbhidctl
.Nd manipulate USB HID devices
.Sh SYNOPSIS
.Nm
.Fl f Ar device
.Op Fl t Ar table
.Op Fl v
.Op Fl x
.Fl r
.Nm
.Fl f Ar device
.Op Fl t Ar table
.Op Fl l
.Op Fl v
.Op Fl x
.Op Fl z
.Fl a
.Nm
.Fl f Ar device
.Op Fl t Ar table
.Op Fl l
.Op Fl n
.Op Fl v
.Op Fl x
.Op Fl z
.Ar item ...
.Nm
.Fl f Ar device
.Op Fl t Ar table
.Op Fl v
.Op Fl z
.Fl w
.Ar item=value ...
.Sh DESCRIPTION
The
.Nm
utility can be used to dump and modify the state of a USB HID (Human
Interface Device).
Each named
.Ar item
is printed.
If the
.Fl w
flag is specified
.Nm
attempts to set the specified items to the given values.
.Pp
The options are as follows:
.Bl -tag -width Ds
.It Fl a
Show all items and their current values if device returns.
.It Fl f Ar device
Specify a path name for the device to operate on.
.It Fl l
Loop and dump the device data every time it changes.
.It Fl n
Suppress printing of the item name.
.It Fl r
Dump the report descriptor.
.It Fl t Ar table
Specify a path name for the HID usage table file.
.It Fl v
Be verbose.
.It Fl w
Change item values.
Only 'output' and 'feature' kinds can be set with this option.
.It Fl x
Dump data in hexadecimal as well as decimal.
.It Fl z
Reset reports to zero before processing other arguments.
If not specified, current values will be requested from device.
.El
.Sh SYNTAX
.Nm
compares the names of items specified on the command line against the human
interface items reported by the USB device.
Each human interface item is mapped from its native form to a human readable
name, using the HID usage table file.
Command line items are compared with the generated item names,
and the USB HID device is operated on when a match is found.
.Pp
Each human interface item is named by the
.Qq page
it appears in, the
.Qq usage
within that page, and the list of
.Qq collections
containing the item.
Each collection in turn is also identified by page, and
the usage within that page.
.Pp
On the
.Nm
command line the page name is separated from the usage name with the character
.Sq Cm \&: .
The collections are separated by the character
.Sq Cm \&. .
.Pp
Some devices give the same name to more than one item.
.Nm
supports isolating each item by appending a
.Sq Cm \&# .
character and a decimal item instance number, starting at zero.
.Sh FILES
.Pa /usr/share/misc/usb_hid_usages
The default HID usage table.
.Sh SEE ALSO
.Xr usbhid 3 ,
.Xr uhid 4 ,
.Xr usb 4
.Sh HISTORY
The
.Nm
command appeared in
.Nx 1.4 .
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