resin-io/chat

community chat about resin.io: ideas, projects, questions

Gergely Imreh

@imrehg

Happy playing! :D And keep us posted!

Gutemberg Ribeiro

@galvesribeiro

will let you know over the weekend if I dound any issues

sure

Gergely Imreh

@imrehg

Cheers!

Gutemberg Ribeiro

@galvesribeiro

and please let me know once it become available on the main channels so everyone here can use it

thanks! have a good weekend! :)

Gergely Imreh

@imrehg

Sure, will do. In general, you can check this page (not really official, but possibly useful project) for the versions released https://balena-io-playground.github.io/balenaosversions/

https://forums.balena.io/t/balenaos-versions-tracking-webpage/5786?u=imrehg

In case it comes handy.

Gutemberg Ribeiro

@galvesribeiro

great! thanks!

ttyol

Gergely Imreh

@imrehg

Cheers! :city_sunset:

Gutemberg Ribeiro

@galvesribeiro

:smiley:

Balena team

@balenaio

[Alexandros Marinos (alexandrosm)] @galvesribeiro we're working hard on EP, due to lead times for components unfortunately it's looking like real production will come out in august...

Gutemberg Ribeiro

@galvesribeiro

@alexandrosm yeah, I can imagine… But if you have that preview devices, let me know :D

Gutemberg Ribeiro

@galvesribeiro

man… I’m loving it much every step I go further in the docs :D

btw, @imrehg / @shaunmulligan can we contribute base images to the repo? I’m seeing a PR for .Net Core images but it is almost an year stalled there...

Balena team

@balenaio

[Gergely Imreh (imrehg)] Sure thing! A lot has changed in a year, though, I think it was maybe @richbayliss who was doing .Net? (Sorry if my memory's wrong) The current balenalib base images (and our setup that propagates changes across architectures) is likely a bunch better state to build upon. Cc @nghiant2710 , our base images guru.

Gutemberg Ribeiro

@galvesribeiro

ahh cool! I’ll build it first locally and make sure everything works, then I’ll fork and push a PR later on for review

we’re heavly based on .Net Core here… and one of the reasons in favor of balena is the fact that we can keep using it for our local-microservices. The UI is built on top of Google Flutter and since it is a per-device port of the engine, maybe it will requires more magic to make it generic so others can re-use it so will do the .Net Core and later think more on how it could work for flutter

Balena team

@balenaio

[Rich Bayliss (richbayliss)] I did start to look at it @imrehg but then MS made their own docker images for ARM. If we have some interest in this then maybe we should see about making some official balenalib based ones

Gutemberg Ribeiro

@galvesribeiro

@richbayliss yes, they recently (.net core 2.x+) released their own images

what I’ll do, is to look what they do on their dockerfiles and instead of use their OSes base image, use balena ones

Balena team

@balenaio

[Rich Bayliss (richbayliss)] Nice. I was a Dotnet guy before joining balena, and was really impressed with the Dotnet Core frameworks.

Gutemberg Ribeiro

@galvesribeiro

then it would be something like: balenaOS -> .Net Core ${targetOs}

where targetOS can be alpine, Ubuntu, fedore, etc… Anything that is both supported by MSFT and also on baselib

yeah, .Net rulz :P

Gutemberg Ribeiro

@galvesribeiro

funny

https://hub.docker.com/r/balenalib/armv7hf-alpine-run/

it looks like alpine images only exist for specific frameworks

no OS-only image exist :/

nvm

found the error

Gutemberg Ribeiro

@galvesribeiro

Hello .Net Core from a container in Balena :)

Gutemberg Ribeiro

@galvesribeiro

@imrehg for whatever reason the image you sent me yesterday looks like isn’t allowing hardware access

I’ve add privileged: true to the service and it isn’t able to open the framebuffer

Balena team

@balenaio

[Gergely Imreh (imrehg)] @galvesribiero that doesn't depend on the image, all happens in the application level. Do you have e.g. a simple application code that we can try out as well? (So we can work on the same level of understanding) What does it mean not allowed to open that fb? And when connected to the host OS do you see that framebuffer device listed? Cc @pcgeek86

Gutemberg Ribeiro

@galvesribeiro

@imrehg I made one progress yesterday before sleep

the problem is that for whatever reason, ioctl calls are failing

which I use to figureout some of the display capabilities

so I’ve hardcoded the /dev/fb0

and it don’t crash anymore. Hoever, it doesn’t draw anything to the screen

I’m checking on that now

Gutemberg Ribeiro

@galvesribeiro

ok, now changing the compose file to include:

     devices:
      - "/dev/fb0:/dev/fb0"
    cap_add: 
      - SYS_RAWIO

And on the Dockerfile:

ENV UDEV=1

it works

but for whatever reason the app screen is showing that tons of messages :/

Gutemberg Ribeiro

@galvesribeiro

okey

I was able to build the kernel module for my touch display and load it

[Logs]    [4/7/2019, 9:06:06 AM] [main] OS Version is 2.31.5+rev1
[Logs]    [4/7/2019, 9:06:06 AM] [main] Loading Elo Touch Kernel Module: elo_mt_input_mod_2.31.5+rev1.ko
[Logs]    [4/7/2019, 9:06:09 AM] [main] elo_mt_input_mod       16384  0

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