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.TH "IR\-KEYTABLE" "1" "Fri Oct 3 2014" "v4l-utils @PACKAGE_VERSION@" "User Commands"
.SH NAME
ir\-keytable \- a swiss\-knife tool to handle Remote Controllers.
.SH SYNOPSIS
.B ir\-keytable
[\fIOPTION\fR]...
.SH DESCRIPTION
ir\-keytable is a tool that lists Remote Controller devices, loads
rc keymaps, tests events, and adjusts other Remote Controller options.
.PP
Rather than loading a rc keymap, it is also possible to set protocol decoders
and set rc scancode to keycode mappings directly.
.PP
Note: You need to have read permissions on /dev/input for most of the
options to work.
.SH OPTIONS
.TP
\fB\-a\fR, \fB\-\-auto\-load\fR=\fICFGFILE\fR
Auto\-load keymaps, based on a configuration file. Only works with
\fB\-\-sysdev\fR.
.TP
\fB\-c\fR, \fB\-\-clear\fR
Clears the scancode to keycode mappings.
.TP
\fB\-D\fR, \fB\-\-delay\fR=\fIDELAY\fR
Sets the delay before repeating a keystroke.
.TP
\fB\-k\fR, \fB\-\-set\-key\fR=\fISCANKEY\fR
Set scancode to keycode mapping.
.TP
\fB\-p\fR, \fB\-\-protocol\fR=\fIPROTOCOL\fR
Comma separated list of kernel protocols or BPF protocol to enable. All
other protocols are disabled.
.TP
\fB\-e\fR, \fB\-\-parameter\fR=\fIPARAMETER\fR
Comma separated list of parameters for the BPF protocol.
.TP
\fB\-P\fR, \fB\-\-period\fR\=\fiPERIOD\fR
Sets the period to repeat a keystroke.
.TP
\fB\-r\fR, \fB\-\-read\fR
Read and show the current scancode to keycode mapping.
.TP
\fB\-s\fR, \fB\-\-sysdev\fR=\fISYSDEV\fR
rc device to control, defaults to \fIrc0\fR if not specified.
.TP
\fB\-t\fR, \fB\-\-test\fR
test if the rc device is generating events
.TP
\fB\-v\fR, \fB\-\-verbose\fR
Enables debug messages.
.TP
\fB\-w\fR, \fB\-\-write\fR=\fIKEYMAP\fR
Reads the protocols and scancode to keycode mapping from the \fIKEYMAP\fR file,
and enables those on the rc device.
.TP
\fB\-?\fR, \fB\-\-help\fR
Prints the help message
.TP
\fB\-\-usage\fR
Give a short usage message
.TP
\fB\-V\fR, \fB\-\-version\fR
print the v4l2\-utils version
.PP
Mandatory or optional arguments to long options are also mandatory or optional
for any corresponding short options. Options can be combined together.
.SS The options arguments are:
.IP \fISYSDEV\fR
the rc device as found at /sys/class/rc
.IP \fIKEYMAP\fR
a toml keymap file with a list of protocols and scancodes to keycode mappings.
The format is described in rc_keymap(5).
.IP \fISCANKEY\fR
a set of scancode1=keycode1,scancode2=keycode2.. value pairs
.IP \fIPROTOCOL\fR
Comma separated list of kernel protocols to be enabled (case insensitive).
Supported kernel protocols are: \fBnec\fR, \fBrc\-5\fR, \fBrc\-6\fR, \fBjvc\fR,
\fBsony\fR, \fBsanyo\fR, \fBrc\-5\-sz\fR, \fBsharp\fR, \fBmce\-kbd\fR,
\fBxmp\fR, \fBimon\fR, \fBrc\-mm\fR, \fBother\fR, \fBall\fR. It can also be a BPF protocol,
e.g. \fBmanchester\fR, \fBpulse_distance\fR, \fBpulse_length\fR.
If it does not match any of these, it is taken to be the path of BPF decoder
to be loaded.
.IP \fIPARAMETERS\fR
Comma separated list of parameters for the BPF protocol being loaded. They have the format of name=value, where value is an number.
.IP \fIDELAY\fR
Delay before repeating a keystroke
.IP \fIPERIOD\fR
Period to repeat a keystroke
.IP \fICFGFILE\fR
configuration file that associates a driver/keymap name with a keymap file
.SH EXIT STATUS
On success, it returns 0. Otherwise, it will return the error code.
.SH EXAMPLES
To list all connected Remote Controller devices:
.br
	\fBir\-keytable\fR
.PP
To clean the keycode mapping and use a newer one:
.br
	\fBir\-keytable \-c \-w /etc/rc_keymaps/nec_terratec_cinergy_xs.toml\fR
.PP
To append more codes to the existing table:
.br
	\fBir\-keytable \-w /etc/rc_keymaps/nec_terratec_cinergy_xs.toml\fR
.PP
To read the current scancode to keycode mapping on the second remote controller:
.br
	\fBir\-keytable \-s rc1 \-r\fR
.PP
To enable NEC protocol and load a BPF protocol, with a parameter for the BPF protocol:
.br
	\fBir\-keytable \-p nec,pulse_distance \-e pulse_header=9000
.PP
If you do not know what protocol a remote uses, it can be helpful to first
try with all kernel decoders enabled. The decoded protocol and scancodes
will be displayed in the output:
.br
	\fBir\-keytable \-c \-p all \-t\fR

.SH BUGS
Report bugs to \fBLinux Media Mailing List <linux-media@vger.kernel.org>\fR
.SH COPYRIGHT
Copyright (c) 2010\-2014 by Mauro Carvalho Chehab.
.PP
License GPLv2: GNU GPL version 2 <http://gnu.org/licenses/gpl.html>.
.br
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
.SH SEE ALSO
The keymap format is described in rc_keymap(5).

To transmit IR or receive raw IR, see ir\-ctl(1).

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