Enable/Disable all input by button press

dishins · August 29, 2018 at 1:56 AM

Hello,

Is there any way to enable/disable all other keys by pressing one key/button?

Im currenlty using a remote mapped by a FLIRC dongle, but it happens that i use the same remote of my TV, and when im not using LibreELEC i dont wanna mess with any configuration by pressing the Keys i mapped (mostly direction, back and enter) on Kodi.

So i thought i could use something to block all input in Kodi and only enable it by pressing a Key button (Blue as example)

If it helps, Im on a RPI2 with latest LibreELEC.

ps: HDMI-CEC is not an option since im using a Hyperion Setup behind some HDMI splitter and switches.

**Iridium** · August 29, 2018 at 6:37 PM Official Post

This might help.

dishins · August 29, 2018 at 6:58 PM

Unfortunately no solution provided in that link

**chewitt** · August 29, 2018 at 8:55 PM Official Post

The active keymap can be defined in /storage/.config/rc_maps.cfg and you can reload the config via ir-keytable; so you could write a shell script to toggle between a keymap that only has one control defined (for the on/off switch) and one with all the normal controls present. Assign the button to something on the remote that doesn't do anything on the TV (there's usually at least one button that's harmless). Or do it the easy way and just get a second remote; or a proper smart/learning remote that can switch modes.

dishins · August 30, 2018 at 2:53 AM

I think i'm gonna try the hard way.

I dont have this file: /storage/.config/rc_maps.cfg just a sample file: rc_maps.cfg.sample

I suppose i can write the script to switch between keymaps, can you point me just how to reload config via ir-keytable please?

i tried the following from Infrared Remotes [LibreELEC.wiki]

Code

LibreELEC:~/.kodi/userdata/keymaps # ir-keytable -c -w /usr/lib/udev/rc_keymaps/samsung
Read samsung table
/sys/class/rc/: No such file or directory

but it didn't work

And i shouldn't have a rc_maps.cfg file?

If it matters, i mapped my remote via Flirc Ubuntu app, so it is recognized in Kodi as a keyboard, right?

Thank you anyway for the reply.

**vpeter** · August 30, 2018 at 7:48 AM

Flirc is not IR device but keyboard if I'm not mistaken.

**chewitt** · August 30, 2018 at 8:56 AM Official Post

Urghh.. it was late. Correct. I'm not aware of any way to swap keyboard maps without rebooting Kodi.

Time for a Harmony remote or similar..

**vpeter** · August 30, 2018 at 4:37 PM

Maybe you could disable/enable USB port where Flirc is connected?

Follow How to enable and disable a USB port using the terminal in Linux Kernel Version 3.11.1 - Quora

For me this works

Code

LibreELEC:~ # for device in $(ls /sys/bus/usb/devices/*/product); do echo $device; cat $device; done
/sys/bus/usb/devices/1-3/product
flirc
/sys/bus/usb/devices/1-5/product
STM32 Virtual ComPort
/sys/bus/usb/devices/usb1/product
xHCI Host Controller
/sys/bus/usb/devices/usb2/product
xHCI Host Controller

LibreELEC:~ # echo '1-3' > /sys/bus/usb/drivers/usb/unbind

LibreELEC:~ # echo '1-3' > /sys/bus/usb/drivers/usb/bind

Display More

dishins · August 31, 2018 at 12:43 AM

I think enabling/disabling USB port wont work for me cause i need to enable my mapping again by pressing a button on the very same remote, and if the USB port is disabled that wont work.

Is there any way i could swap keyboard mappings in Kodi?

trogggy · August 31, 2018 at 1:33 AM

If you use a python script linked to a remote button or shortcut / favourite to move keymaps in and out of storage/.kodi/userdata/keymaps you can then use xbmc.executebuiltin('Action(reloadkeymaps)') to load the new map. Hacky but it works reliably.

dishins · August 31, 2018 at 1:48 AM

I could write this script and this would work for me, the problem is that i dont have nothing in my keymaps folder, how i can generate one?

**vpeter** · August 31, 2018 at 8:05 AM

Default keyboard file is /usr/share/kodi/system/keymaps/keyboard.xml.

But I think all keys (or at least problematic ones) should be redefined to work this. Like

XML

<?xml version="1.0" encoding="UTF-8"?>
<keymap>
<global>
<keyboard>
<blue>XBMC.RunScript(/storage/switch_keyboard.py)</blue>

<left></left>
<right></right>
<up></up>
<down></down>

<!-- and all other problematic keys -->

</keyboard>
</global>
</keymap>

Display More

and having python script to switch between keyboard files and execute reloadkeymap.

trogggy · August 31, 2018 at 2:13 PM

Might be wrong, but I was under the impression you needed to use noop, eg

to specify no action (ie override the default).

I'd use one keymap that was just something like:

XML

<?xml version="1.0" encoding="UTF-8"?>
<keymap>
<global>
<keyboard>
<blue>XBMC.RunScript(/storage/switch_keyboard.py)</blue>
</keyboard>
</global>
</keymap>

and make another one like vpeter's example full of 'noop's (ie disabling keys) that you could either move in / out or rename (the extension) before reloading keymaps. Then have your script bring up a notification to say the remote's been enabled or disabled as appropriate.

**vpeter** · August 31, 2018 at 2:16 PM

Could be. I used empty and it worked too Maybe noop is better (worth to check).

Quote

An empty action removes the corresponding mapping from default and parent keymaps

This is different from a "noop" action, which disables a button.

trogggy · August 31, 2018 at 2:37 PM

I guess either would work in this case then. I vaguely remember having to use noop for something years ago.

dishins · August 31, 2018 at 3:30 PM

Thanks again to everyone replying to this topic.

Allright, so i put the following script in my Kodi Favourites entry:

Bash

#!/bin/sh
rm /storage/.kodi/userdata/keymaps/keyboard.xml
sleep 1
xbmc.executebuiltin('Action(reloadkeymaps)')
sleep 1
kodi-send -a "Notification(Kodi Info,Keyboard Disabled,7000,http://powerpi.de/wp-content/uploads/powerpi/powerpi_ambi_thumb_off.jpg)"
</dev/null >/dev/null 2>&1 &

However, the reloadkeymaps function is not working. The script does remove my file from the keymaps, but is not reloading my full keyboard after and neither pops up the notification. If if remove the reloadkeymaps line, the removal off keyboard file and notification works.

Any tips?

trogggy · August 31, 2018 at 3:42 PM

if you're using a shell script I'm pretty sure you have to use kodi-send to run a built-in function.

xbmc.executebuiltin('Action(reloadkeymaps)') will work directly from python - I'd use a python script myself.

**vpeter** · August 31, 2018 at 3:47 PM

Code

kodi-send --action reloadkeymaps

Enable/Disable all input by button press

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