paul- wrote: 
> Just thinking out loud here.   So I think the best way to handle startup
> of the screen is through managing a screen extension.
> 

Have you decided against an overlay?  What you have suggested makes
sense, and having an automated way to make use of all the features of
the board (display, buttons, and maybe audio) will undoubtedly be
convenient.  I feel that the configuration of the buttons is a separate
task from the display setup, and is no different from configuring your
own buttons with any other DIY build, but I appreciate that not everyone
will want to have to deal with that, so having a default setup as part
of a single extension will be great.  Will the extension be able to
configure Squeezelite to use the HiFiBerry driver as well?

To contribute to the 'thinking out loud', for the display part, I did
buy a similar unit to the one used on the Pirate Audio board, and found
that it worked with very similar 'modprobe' commands.  I only had to
modify the 'modprobe fbtft_device' command (see 'this post'
(https://forums.slimdevices.com/showthread.php?111502-Jivelite-on-a-Pirate-Audio-240x240-screen&p=962631&viewfull=1#post962631)).
So I wonder if it's feasible for ST7789 displays like this to use any
part of the automated process for the Pirate Audio boards.  Is it
feasible to allow the user to specify, or at least edit after
installation, some of the fbtft_device parameters, such as 'speed',
'cs', 'gpios'?  A preset configuration for this board is not needed,
since the GPIO connections are flexible, but a way to match the
fbtft_device setup to the chosen pins could be useful.  I think it would
be sufficient if the Pirate Audio extension could be applied, but then
the user could tweak the resulting setup to suit.


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