178 lines
6.2 KiB
Groff
178 lines
6.2 KiB
Groff
.\" $NetBSD: usbhidaction.1,v 1.14 2004/10/20 23:52:04 wiz Exp $
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.\"
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.\" Copyright (c) 2000 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 (lennart@augustsson.net).
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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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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the NetBSD
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.\" Foundation, Inc. and its contributors.
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.\" 4. Neither the name of The NetBSD Foundation nor the names of its
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.\" contributors may be used to endorse or promote products derived
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.\" from this software without specific prior written permission.
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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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.Dd October 20, 2004
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.Dt USBHIDACTION 1
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.Os
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.Sh NAME
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.Nm usbhidaction
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.Nd perform actions according to USB HID controls
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.Sh SYNOPSIS
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.Nm
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.Fl c Ar config-file
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.Op Fl d
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.Op Fl i
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.Fl f Ar device
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.Op Fl t Ar table
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.Op Fl v
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.Op Ar arg ...
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.Sh DESCRIPTION
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.Nm
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can be used to execute commands when certain values appear on HID controls.
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The normal operation for this program is to read the configuration file
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and then become a daemon and execute commands as the HID items specify.
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If a read from the HID device fails the program dies; this will make it
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die when the USB device is unplugged.
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.Pp
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The options are as follows:
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.Bl -tag -width Ds
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.It Fl c Ar config-file
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Specify a path name for the config file.
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When running as a daemon this needs to be an absolute path for the HUP
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signal to work.
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.It Fl d
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Toggle the daemon flag.
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.It Fl i
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Ignore HID items in the config file that do not exist in the device.
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.It Fl f Ar device
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Specify a path name for the device to operate on.
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If
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.Ar device
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is numeric, it is taken to be the USB HID device number.
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If it is a relative
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path, it is taken to be the name of the device under
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.Pa /dev .
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An absolute path is taken to be the literal device pathname.
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.It Fl t Ar table
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Specify a path name for the HID usage table file.
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.It Fl v
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Be verbose, and do not become a daemon.
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.El
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.Pp
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The config file will be re-read if the process gets a HUP signal.
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.Sh CONFIGURATION
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The configuration file has a very simple format.
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Each line describes an
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action; if a line begins with a whitespace it is considered a continuation
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of the previous line.
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Lines beginning with `#' are considered as comments.
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.Pp
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Each line has three parts: a name of a USB HID item, a value for that item,
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and an action.
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There must be whitespace between the parts.
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.Pp
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The item names are similar to those used by
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.Xr usbhidctl 1 ,
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but each part must be prefixed by its page name
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(use the
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.Fl v
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flag to
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.Xr usbhidctl 1
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to see the page name).
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Replace spaces in the item name by underscores.
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.Pp
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The value is simply a numeric value.
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When the item reports this value
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the action will be performed.
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If the value is `*' it will match any value.
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.Pp
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The action is a normal command that is executed with
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.Xr system 3 .
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Before it is executed some substitution will occur:
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`$n' will be replaced by the nth argument on the
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command line, `$V' will be replaced by the numeric value
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of the HID item, `$N' will be replaced by the name
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of the control, and `$H' will be replaced by the name
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of the HID device.
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.Sh FILES
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.Pa /usr/share/misc/usb_hid_usages
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The HID usage table.
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.Sh EXAMPLES
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The following configuration file can be used to control a pair
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of Philips USB speakers with the HID controls on the speakers.
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.Bd -literal -offset indent
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# Configuration for various Philips USB speakers
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Consumer:Consumer_Control.Consumer:Volume_Up 1
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mixerctl -f $1 -n -w outputs.master++
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Consumer:Consumer_Control.Consumer:Volume_Down 1
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mixerctl -f $1 -n -w outputs.master--
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Consumer:Consumer_Control.Consumer:Mute 1
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mixerctl -f $1 -n -w outputs.mute++
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Consumer:Consumer_Control.Consumer:Channel_Top.Microsoft:Base_Up 1
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mixerctl -f $1 -n -w outputs.bass++
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Consumer:Consumer_Control.Consumer:Channel_Top.Microsoft:Base_Down 1
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mixerctl -f $1 -n -w outputs.bass--
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.Ed
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.Pp
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A sample invocation using this configuration would be
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.Bd -literal -offset indent
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usbhidaction -f /dev/uhid1 -c conf /dev/mixer1
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.Ed
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.Pp
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This configuration file can be used for various keyboards with extra keys:
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.Bd -literal -offset indent
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# Configuration for extra keyboard keys
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Consumer:Consumer_Control.Consumer:Volume_Up 1
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mixerctl -n -w outputs.master++
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Consumer:Consumer_Control.Consumer:Volume_Down 1
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mixerctl -n -w outputs.master--
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Consumer:Consumer_Control.Consumer:Mute 1
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mixerctl -n -w outputs.mute++
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Consumer:Consumer_Control.Consumer:Pause/Play 1
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xmms -p
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Consumer:Consumer_Control.Consumer:Stop 1
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xmms -s
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Consumer:Consumer_Control.Consumer:Scan_Previous_Track 1
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xmms -r
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Consumer:Consumer_Control.Consumer:Scan_Next_Track 1
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xmms -f
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.Ed
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.Pp
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And this configuration can be used with, e.g.,
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.Bd -literal -offset indent
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usbhidaction -f /dev/uhid0 -c conf -i
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.Ed
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.Sh SEE ALSO
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.Xr usbhidctl 1 ,
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.Xr usbhid 3 ,
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.Xr uhid 4 ,
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.Xr usb 4
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.Sh HISTORY
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The
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.Nm
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command first appeared in
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.Nx 1.6 .
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