[mythtv-users] Remote and blaster without LIRC?
Don Brett
dlbrett at zoominternet.net
Wed Jun 12 13:28:30 UTC 2019
On 6/4/2019 12:50 AM, Stephen Worthington wrote:
> On Mon, 3 Jun 2019 15:52:10 -0400, you wrote:
>
>
>> This should be working, but it's not; MythTv responds to none of the
>> button presses from the remote.
>>
>> Using lirc-setup, when picking mceusb hardware, it pretty much forces
>> the driver to default, so, I ended up using default. Testing with irw,
>> it works fine, and returns string that match the strings in
>> /etc/lirc/lircd.conf.d/mceusb.lircd.conf. If I change a string in
>> mceusb.lircd.conf and retest, I can see the changes in irw.
>>
>> Testing with ircat, it looks like it's working, but I'm not sure where
>> the strings are config from. Some buttons match the contents of
>> /etc/lirc/lircd.conf.d/mythtv.lircrc, and some don't. If I change a
>> string in mythtv.lirc and retest, nothing changes. I suspect ircat is
>> getting strings from somewhere else.
>>
>> Below are the the contents of lircd_options_conf and a couple of
>> examples; any suggestions on what to look for next?
>>
>> *Contents of "lircd_options_conf":*
>> # Generated by lirc-setup
>> [lircd]
>> nodaemon = False
>> driver = default
>> device = /dev/lirc0
>> output = /var/run/lirc/lircd
>> pidfile = /var/run/lirc/lircd.pid
>> plugindir = /usr/lib/x86_64-linux-gnu/lirc/plugins
>> permission = 666
>> allow-simulate = No
>> repeat-max = 600
>> lircd_conf = mceusb.lircd.conf
>>
>> [lircmd]
>> uinput = False
>> nodaemon = False
>>
>> [modinit]
>> code = echo lirc > /sys/class/rc/rc0/protocols
>>
>> *example 1:*
>> don at johnny:~$ irw
>> 000000037ff07be0 00 KEY_DOWN mceusb
>> 000000037ff07be0 01 KEY_DOWN mceusb
>> 000000037ff07be1 00 KEY_UP mceusb
>> 000000037ff07be1 01 KEY_UP mceusb
>> ^C
>> don at johnny:~$
>> don at johnny:~$ ircat mythtv
>> Down
>> Up
>>
>> *example 2:*
>> don at johnny:~$ irw
>> 000000037ff07bdc 00 KEY_BACK mceusb
>> 000000037ff07bdc 01 KEY_BACK mceusb
>> ^C
>> don at johnny:~$ ircat mythtv
>> Escape
>>
>> *example 3:*
>> don at johnny:~$ irw
>> 000000037ff07bdd 00 KEY_OK mceusb
>> 000000037ff07bdd 01 KEY_OK mceusb
>> ^C
>> don at johnny:~$
>> don at johnny:~$ ircat mythtv
>> Return
>> ^C
>> don at johnny:~$
> >From the irw output above, the "default" driver setting is actually
> using a driver named "mceusb". The IRW output looks OK, but the arrow
> keys are not the best ones to use as an example as they also tend to
> work even without LIRC due to how the other paths for processing IR
> input work. The KEY_BACK example though is a key that normally does
> not work without the LIRC setup being right, so that looks good.
>
> The "ircat mythtv" command should be looking at ~/.lircrc for its
> config file. On a normal MythTV system, that file is just a set of
> include commands to read other files. Here is mine from
> /home/stephen/.lircrc:
>
> stephen at mypvr:~$ cat .lircrc
> #Custom lircrc generated via mythbuntu-lirc-generator
> #All application specific lircrc files are within ~/.lirc
> include ~/.lirc/mythtv
> include ~/.lirc/mplayer
> include ~/.lirc/xine
> include ~/.lirc/vlc
> include ~/.lirc/xmame
> include ~/.lirc/xmess
> include ~/.lirc/totem
> include ~/.lirc/elisa
> include ~/.lirc/irexec
>
> You need to run ircat from the same user as mythfrontend is run from,
> in order for it to find the correct .lircrc file. From the above, it
> looks like you are doing that, but I can not be completely sure.
>
> In the files included from .lircrc, the convention is that each of
> those files will have the settings for the program that matches the
> file's name. So all the settings for mplayer will be in the mplayer
> file and all the settings for mythtv will be in the mythtv file.
> However, the way LIRC works is that what matters is what is in each
> individual setting, so if you get something in a different file that
> has the settings for mythtv, it will work. And it could override a
> valid earlier setting that you have made with a later invalid one. So
> you need to watch out for that. If you are not using any programs
> other than mythtv with LIRC, and you want to absolutely rule out any
> problems like that, you can just comment out all the other includes in
> the .lircrc file by putting a # character at the start of the line.
>
> So all the LIRC settings for program "mythtv" should be in
> ~/.lirc/mythtv. Settings for program "mythtv" are identified by a
> "prog = mythtv" line. Here is my Escape / Back button:
>
> begin
> remote = devinput
> prog = mythtv
> button = KEY_BACK
> config = Escape
> repeat = 0
> delay = 0
> end
>
> What that says is when LIRC receives an input from the "devinput"
> driver, and is attached to program "mythtv", it should translate any
> "KEY_BACK" signals it receives into the keystroke "Escape" and send
> that to program "mythtv". MythTV has settings in mythfrontend that
> tell it what to do with the keystroke "Escape" when received from
> LIRC:
>
> MariaDB [mythconverg]> select * from keybindings where keylist like
> '%Esc%';
> +-------------+------------+----------------------------+---------+----------+
> | context | action | description | keylist | hostname |
> +-------------+------------+----------------------------+---------+----------+
> | Global | ESCAPE | Escape | Esc | mypvr |
> | Main Menu | EXITPROMPT | Display System Exit Prompt | Esc | mypvr |
> | Global | ESCAPE | Escape | Esc | savaidh |
> | Main Menu | EXITPROMPT | Display System Exit Prompt | Esc | savaidh |
> | TV Playback | BACK | Exit or return to DVD menu | Esc | savaidh |
> | Global | ESCAPE | Escape | Esc | gt70 |
> | Main Menu | EXITPROMPT | Display System Exit Prompt | Esc | gt70 |
> | TV Playback | BACK | Exit or return to DVD menu | Esc | gt70 |
> +-------------+------------+----------------------------+---------+----------+
> 8 rows in set (0.00 sec)
>
> If you are looking for keys in the database, as well as the
> "keybindings" table for ordinary key bindings that work only from the
> specified context, you need to search the "jumppoints" table for the
> global jump points that work from anywhere (any context) in
> mythfrontend. And note that the "keylist" field is a comma separated
> list of keys, not just a single key.
>
> The action in MythTV depends on the context, and the hostname. Each
> frontend in the database is identified by its hostname, and the
> settings can be different for each frontend. And you can see that in
> the MythTV settings, the LIRC keystroke "Escape" is spelled "Esc",
> just to confuse things further. In mythfrontend GUI, you can find
> those settings at Setup > Edit Keys.
>
> So in your case, to get the Escape / Back remote button to work, you
> would want this in your ~/.lirc/mythtv file:
>
> begin
> remote = mceusb
> prog = mythtv
> button = KEY_BACK
> config = Escape
> repeat = 0
> delay = 0
> end
>
> Note the change in the "remote =" line to "remote = mceusb", as that
> is the driver name that irw is showing for your setup. So take a look
> at your ~/.lirc/mythtv file. It likely has more than one set of
> settings in it for "prog = mythtv", each set of setting having a
> different "remote =" value. What you need is a full set of those
> settings, with "remote = mceusb". Here is what I had in my original
> ~/.lirc/mythtv file:
>
> stephen at mypvr:~/.lirc$ grep "remote =" mythtv.original | uniq
> remote = mceusb_hauppauge
> remote = vista_mce
> remote = mceusb
>
> So it is not unlikely that you have a set of "remote = mceusb"
> settings in your ~/.lirc/mythtv file. I have long since renamed my
> original ~/.lirc/mythtv file to ~/.lirc/mythtv.original, and edited a
> copy of it to suit my system, so I now only have "remote = devinput"
> settings in it. I would recommend that you do the same, but only have
> "remote = mceusb" in your ~/.lirc/mythtv file. Then you need to go
> through all the keys on your remote, checking what is output by "ircat
> mythtv" against that file, and then changing either the Mythfrontend
> setting for the key to match the file, or the file setting in the
> "config =" line to match Mythfrontend. I recommend keeping the
> Mythfrontend settings and changing the "config =" settings, as the
> Mtyhfrontend settings are also what you use from a real keyboard, and
> the defaults work well from a keyboard. If you have a remote key that
> does not produce output in ircat, you will need to create a new
> begin/end block with the appropriate settings for it, with a "button
> =" value that matches its irw output. Each time you change something
> in ~/.lirc/mythtv, you will need to restart ircat at least, so it will
> read the new settings. I am not sure if you also need to restart
> lircd:
>
> sudo systemctl restart lircd
>
> I think that is unnecessary, but check to see if you need to.
>
> Once you have a set of "remote = mcuusb" settings that work, you can
> consider the "repeat =" and "delay =" settings for them. Those
> control whether a key autorepeats, and how quickly it repeats,
> respectively. I have my arrow keys, the channel and volume keys, and
> PgUp and PgDown set to "repeat = 1" and "delay = 1". All other keys
> do not autorepeat. The "delay = 1" gives the fastest possible
> autorepeat rate. But those are just my personal preferences.
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>
Still working on it, but getting close. It looks like mythtv frontend
is using /home/don/.lirc/mythtv, but ircat is using something else.
Nothing was changing when testing with ircat, so I picked an obscure
button to experiment with.
With this configuration, ircat displayed a "Z" and mythtv frontend had
no response to pressing the DVD button.
begin
remote = mceusb
prog = mythtv
button = KEY_DVD
config = Z
repeat = 3
delay = 0
end
I changed it to this:
begin
remote = mceusb
prog = mythtv
button = KEY_DVD
config = PgDown
# config = Z
repeat = 3
delay = 0
end
...ircat still showed a "Z" and mythtv frontend did a page down. Hmmm,
another mystery.
don at johnny:~$ ircat -c ~don/.mythtv/lircrc mythtv
Z
Z
^C
don at johnny:~$
Note: ~don/.mythtv/lircrc > ~don/.lirc
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