[mythtv-users] IR control via evdev

George Poulson george.poulson at gmail.com
Wed Aug 8 16:08:18 UTC 2018


I came across several issues with 18.04. After much frustration I dropped
back to 16.04.1 and everything worked as expected.

On Wed, 8 Aug 2018, 16:21 Don Brett, <dlbrett at zoominternet.net> wrote:

> I'm building a new box with Ubuntu 18.04 and trying to get the remote
> working, but ran into a snag.  I'm following the instructions here:
>
> https://www.mythtv.org/wiki/User_Manual:IR_control_via_evdev
>
> This worked:
>
> don at andy:~$ sudo ir-keytable -t
> Testing events. Please, press CTRL-C to abort.
> 182.735877: event type EV_MSC(0x04): scancode = 0x800f0401
> 182.735877: event type EV_KEY(0x01) key_down: KEY_NUMERIC_1(0x0201)
> 182.735877: event type EV_SYN(0x00).
> 182.869726: event type EV_MSC(0x04): scancode = 0x800f0401
> 182.869726: event type EV_SYN(0x00).
> 183.132071: event type EV_KEY(0x01) key_up: KEY_NUMERIC_1(0x0201)
> 183.132071: event type EV_SYN(0x00).
>
> , but this did not:
>
> don at andy:~$ sudo ir-keytable -t -d /dev/event/input3
> /dev/event/input3: No such file or directory
>
> don at andy:~$ sudo ir-keytable -t -d /dev/event/input4
> /dev/event/input4: No such file or directory
>
> My box has /dev/input/event*, but does not have /dev/event.  Trying the
> next command:
>
> don at andy:~$ sudo ir-keytable
> Found /sys/class/rc/rc0/ (/dev/input/event10) with:
>          Name: Media Center Ed. eHome Infrared Remote Transceiver
> (0471:0815)
>          Driver: mceusb, table: rc-rc6-mce
>          lirc device: /dev/lirc0
>          Supported protocols: lirc rc-5 rc-5-sz jvc sony nec sanyo
> mce_kbd rc-6 sharp xmp
>          Enabled protocols: lirc rc-6
>          bus: 3, vendor/product: 0471:0815, version: 0x0000
>          Repeat delay = 500 ms, repeat period = 125 ms
>
> I have /dev/input/event10, so tried:
>
> don at andy:~$ sudo ir-keytable -t -d /dev/input/event10
> Can't open lirc device: No such file or directory
>
> , so purged lirc, and tried it again; got the same results:
>
> don at andy:~$ sudo apt-get remove *lirc* --purge
> don at andy:~$ sudo ir-keytable -t -d /dev/input/event10
> Can't open lirc device: No such file or directory
>
>
> Any suggestions?
>
> Don
>
>
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