[mythtv-users] MCE/HID remote double events

Sun Jul 7 18:11:34 UTC 2019

Just to close the loop on this, I ended up ditching evdev and using
Stephen's lirc installation script, which worked great. I don't know
why my old Tivo S2 lirc profile stopped working after the MythTV
upgrade, but configuring my harmony remote as an MCE remote is working
fine.

FWIW, I noticed a feature in the Harmony setup app to deal with
situations where you're getting duplicate/repeated events, so maybe
that wouldn't helped, but the LIRC+MCE combo is doing the trick for
now.

Thanks again.

On Tue, Jun 18, 2019 at 9:19 AM Zach Cutlip <uid000 at gmail.com> wrote:
>
> I tried stopping all the lirc-related services and removing the lirc
> package. No luck. Any other ideas?
>
> Zach
>
>
> On Mon, Jun 17, 2019 at 3:12 PM Zach Cutlip <uid000 at gmail.com> wrote:
> >
> > Awesome, thanks, Stephen.
> >
> > I'll give those a try; I may have missed some of the Lirc components.
> >
> > The reason I gave up on lirc is my old lirc setup has more or less
> > stopped working since updating to Ubuntu 18.04 and MythTV 29 (and now
> > 30). I think you an I emailed about this a bit on the list a few
> > months back, but I had a Tivo Series Two config (same harmony remote).
> > I did get lirc going again after the update, but Myth is super
> > unresponsive with it, missing or ignoring something like 80% of
> > events, even when 'irw' sees all the events. I never got to the bottom
> > of it, but when learned the evdev thing works out of the box with MCE
> > remotes, I wondered if a lirc-free life might be simpler. I'm happy to
> > consider either option though. Whatever it takes to get things working
> > again.
> >
> > Zach
> >
> > On Mon, Jun 17, 2019 at 7:15 AM Stephen Worthington
> > <stephen_agent at jsw.gen.nz> wrote:
> > >
> > > On Sun, 16 Jun 2019 17:17:14 -0700, you wrote:
> > >
> > > >Hello,
> > > >
> > > >I'm trying to set up an MCE remote using evdev, and I'm getting double events in Mythfrontend for every key fairly consistently; maybe 80% of the time.
> > > >
> > > >I've set up the remote from a combination of these two wiki articles:
> > > >
> > > >https://www.mythtv.org/wiki/HID_Remotes
> > > >https://www.mythtv.org/wiki/User_Manual:IR_control_via_evdev
> > > >
> > > >evtest usually doesn't report the extra event even when Mythtv does.
> > > >
> > > >I've even set repeat delay and period to really high values.
> > > >
> > > >For example, here's an instance where pressing "down" resulted in event, but 'evtest' didn't:
> > > >Testing ... (interrupt to exit)
> > > >Event: time 1560729712.782138, type 4 (EV_MSC), code 4 (MSC_SCAN), value 800f041f
> > > >Event: time 1560729712.782138, type 1 (EV_KEY), code 108 (KEY_DOWN), value 1
> > > >Event: time 1560729712.782138, -------------- SYN_REPORT ------------
> > > >Event: time 1560729712.888133, type 4 (EV_MSC), code 4 (MSC_SCAN), value 800f041f
> > > >Event: time 1560729712.888133, -------------- SYN_REPORT ------------
> > > >Event: time 1560729713.022172, type 4 (EV_MSC), code 4 (MSC_SCAN), value 800f041f
> > > >Event: time 1560729713.022172, -------------- SYN_REPORT ------------
> > > >Event: time 1560729713.294223, type 1 (EV_KEY), code 108 (KEY_DOWN), value 0
> > > >Event: time 1560729713.294223, -------------- SYN_REPORT ------------
> > > >
> > > >Here's ir-keytable output:
> > > >
> > > >Found /sys/class/rc/rc0/ (/dev/input/event8) with:
> > > >       Name: Media Center Ed. eHome Infrared Remote Transceiver (1784:0011)
> > > >       Driver: mceusb, table: rc-rc6-mce
> > > >       Supported protocols: rc-5 rc-5-sz jvc sony nec sanyo mce_kbd rc-6 sharp xmp
> > > >       Enabled protocols: rc-6
> > > >       bus: 3, vendor/product: 1784:0011, version: 0x0100
> > > >       Repeat delay = 10000 ms, repeat period = 10000 ms
> > > >
> > > >FIW the remote is a Logitech harmony 650 programmed as a Windows Media Center PC.
> > > >
> > > >Thanks in advance,
> > > >Zach
> > >
> > > I tried evtest on my system with my MCE remote and the above is
> > > exactly what I get with lirc shut down.  The keystrokes look fine.
> > >
> > > I had problems with the lirc setup in 18.04, and at times I was
> > > getting double keystokes with lirc running.  It seems that there are
> > > two different paths for keystrokes to get to mythfrontend, one via
> > > lirc or the keyboard (they use the same path), and one via X.  In my
> > > case, the path via X was sometimes providing a keystroke as well as
> > > lirc was.  The cause was the bad way that lirc was installed by its
> > > package - there were multiple other daemons in the lirc package other
> > > than lircd that were all enabled and running, but they did not have
> > > valid configuration, and one of them was sending keystrokes via X. So,
> > > are you sure you have all the lirc daemons shut down?  The lirc
> > > package installs these files for systemd units:
> > >
> > > /lib/systemd/system/irexec.service
> > > /lib/systemd/system/lircd-setup.service
> > > /lib/systemd/system/lircd-uinput.service
> > > /lib/systemd/system/lircd.service
> > > /lib/systemd/system/lircd.socket
> > > /lib/systemd/system/lircmd.service
> > >
> > > If you are not using lirc, all of those need to be given valid
> > > configuration, or stopped and disabled:
> > >
> > > sudo su
> > > systectl stop irexec
> > > systemctl disable irexec
> > > systectl stop lircd-setup
> > > systemctl disable lircd-setup
> > > systectl stop lircd-uinput
> > > systemctl disable lircd-uinput
> > > systectl stop lircd
> > > systemctl disable lircd
> > > systectl stop lircd-socket
> > > systemctl disable lircd-socket
> > > systectl stop lircmd
> > > systemctl disable lircmd
> > > exit
> > >
> > > I think that it was either lircd-uinput or lircmd that was causing my
> > > double keystrokes, but as it went away when I disabled all the ones I
> > > was not using, I never confirmed the exact source of the problem.  So
> > > if you run the above commands and your double keystroke problem goes
> > > away, that it is likely you were suffering from the same problem.
> > >
> > > Or you could just uninstall the lirc package completely:
> > >
> > > sudo apt purge lirc
> > >
> > > Is there any particular reason that you are not wanting to use lirc
> > > with your remote?  It is more flexible and allows you to use more than
> > > one program with the IR remote.  If you follow that wiki and map
> > > specific keystrokes to what mythfrontend needs, unless any other
> > > program you want to work with the remote uses exactly the same
> > > keystokes, you will not be able have it use the remote.  I use mplayer
> > > as an alternate video player with mythfrontend videos as I have a
> > > number of old .wmv files that mythfrontend is unable to play.  So I
> > > definitely need to use lirc so that both mythfrontend and mplayer work
> > > with the remote.  I think it is very limiting to only be able to use
> > > the remote with mythfrontend.
> > >
> > > If the reason you want to use the wiki page's setup is that you have
> > > been having problems getting lirc going in 18.04, then you have simply
> > > met the problem that, as installed by the lirc package, lirc in 18.04
> > > is badly broken.  To fix that, download and run my fix script:
> > >
> > > http://www.jsw.gen.nz/mythtv/lirc-ubuntu-18.04-install.sh
> > >
> > > That fixes all the problems with the package that I know about, so
> > > that the Python config tools such as lirc-setup will work, and
> > > disables all the extra daemons.  The underlying version of lirc itself
> > > is fine, and is working well for me and others on this list.  And I
> > > understand it well enough now to be able to help you get it working if
> > > you want that.
> > > _______________________________________________
> > > mythtv-users mailing list
> > > mythtv-users at mythtv.org
> > > http://lists.mythtv.org/mailman/listinfo/mythtv-users
> > > http://wiki.mythtv.org/Mailing_List_etiquette
> > > MythTV Forums: https://forum.mythtv.org
> >
> >
> >
> > --
> > :wq!

-- 
:wq!