Use a remote without LIRC
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12th May, 2015, 10:09 AM
Post: #1
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Use a remote without LIRC
For reasons that would take too long to explain, I would like to use my remote control without LIRC. In "standard' Kodi installations, this is how I do it:
1. stop - uninstall LIRC 2. fix the rc_keymaps for the remote in question (MCE receiver with HP remote), so that it produces known keycodes, in the 1-254 range 3. use Kodi's keymap editor to map the keycodes into actions. This has always worked up to now, kodi handles the remote as if it is a keyboard. All configuration is via the GUI, no manual editing of xml files involved. In Xbian, this does not work, strangely. this is what I did : 1. set lirc service to not autostart and rebooted 2. created the rc6_mce file 3. tested with ir-keytable. the file works fine. 4. tested the remote on the command line, OS sees it as a keyboard. so far, so good. BUT : when I start Kodi, the log says it sees the device and opens it (/dev/input/event2), but Kodi does not recognize ANY keys from the remote. It is not a permissions issue, /dev/input/event2 can be read by group 'input', and 'xbian' belongs to the group. Enabling debug logging shows nothing, no events are recognized by Kodi. what could be wrong ? why is Kodi ignoring the input, while the operating system (and any apps started from the command line) handles the remote just fine ? |
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12th May, 2015, 08:00 PM
Post: #2
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RE: Use a remote without LIRC
I found the answer myself, and it is a beut!
kodi contains some (dangerous IMHO) code to "auto-detect" linux input devices, and decide whay to do with them. Apparently, a device is considered a "keyboard" if it can generate AT LEAST 20 ascii characters. In my case, the remote DOES simulate a keyboard, but not completely. Therefore, kodi decides to ignore it. The workaround is this : when setting up the kernel keymap for an input device that generates keyboard events, add some "dummy" scancodes, to get the number of possible key events to be >20! silly, but works! and, since the remote will never actually send those scancodes, the workaround should not hurt... One last note : keep the scancodes <255, and preferrably < 127, as kodi has these limits hard-wired |
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