[mythtv-users] iMON IR config on Fedora 14 is broken
toddb at nvr.com
Sun Jan 2 19:33:21 UTC 2011
For some time now, my iMON mini has not worked under Fedora 13, and
after upgrading to Fedora 14, that does not appear to work either.
Various postings (e.g. http://wilsonet.com/?page_id=95) point to the
change in design to the devinput driver and the move from the lirc_imon
to the imon driver. I don't have a complete solution yet, but I have
collected a number of notes along the way. Some of the notes may be
helpful to others, and perhaps one of the notes points to my mistake and
the reason I can't get the imon to work.
* My primary symptom I am stuck on is that 'irw' produces no output
even though I can see the IR device winking when I press buttons
on the remote. I don't see an errors in /var/log/messages and
lircd is running and reports that it is using the device I
configured in the next bullet.
* The preferred setup for the lircd is to specify the devinput
device by-id explicitly. For me, the devices that appear are
I cannot find any reference to which one of these devices is the
correct one to use. Lircd can attach to the first two but not the
* This posting
suggests that ir-keytable could be used to load scancode->keycode
mappings to the driver. ir-keytable is part of v4l-utils, but none
of my yum repositories carry that package. I found some binary
RPMs for v4l-utils, but they exclude ir-keytable binary. I found
source for 0.8.0 and 0.8.1 at
http://linuxtv.org/downloads/v4l-utils/ and I found a test tarball
for 0.8.2 (http://people.fedoraproject.org/~jwrdegoede/). This
does not seem quite ready for prime time.
* The packages above build and include keymap tables for the imon
utils/keytable/rc_keymaps/imon_mce). However, using the command
'ir-keytable -w <file>' to load either of these files does not
work. The imon_pad file loads without complaint, but 'ir-keytable
-r' shows no keymappings. Loading the imon_mce file produces one
error for every line that looks like 'Setting scancode <X> with
<Y> via EVIOCSKEYCODE: Invalid argument'.
* With the old lirc_imon driver, you could select whether it decoded
MCE or native iMON codes by including a param when loading the
driver with insmod or modprobe: protocol=1 or protocol=0. This is
now set by a parameter in the keymap files, or with 'ir-keytable
-p <protocol>' where protocol for the iMON is RC-6 to decode MCE
codes, and empty (?) to decode native iMON codes.
This all makes me think that the imon driver
is not fully baked and that I'll have to wait for Fedora 15. Please tell
me I am wrong...
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