[57north-discuss] video wall project

Andy Gaskell gaskellandy at gmail.com
Tue Mar 15 09:47:42 GMT 2016

Hi Rob

Happy to help with the software, only downside is that I can't make it to
the mini maker faire itself.  I'd write sensible code with comments etc
though, so hopefully that shouldn't be a problem if any tweaks or debugging
is required in location.

I'll be down the space this evening, can chat it through then if you're
heading along too.



On 15 Mar 2016 00:30, "Robert McWilliam" <rmcw at allmail.net> wrote:

> Some of us had discussed making a video wall thing for the Edinburgh
> mini maker faire. This should be an FPGA driving (up to) 9 VGA displays
> and being fed images via USB.
> The faire is coming up fast (less than a month away!) and I am nothing
> like as far along with making this work as I would like. To avoid
> failing miserably to get anything working (again) I could do with some
> help.
> Tom has already volunteered to do the physical construction of the
> shield thing to connect VGA ports to pins.
> The rest of the work splits up into writing the firmware for the FPGA,
> and the software to feed it images. If I could get someone else to take
> care of the SW side it would help the chances of this working (and my
> sanity) greatly. Also if anyone want's to pick up the FPGA side I am
> more than happy to do nothing :)
> My plan for the software was to have something read in image files,
> scale them to the right resolution (I think 800x600, remind me to check
> before you start coding against that), reduce the colour to 3 bits (one
> each for red, green and blue) and then send that down to the FPGA (if I
> do get a volunteer, I'll document how that happens). I had vague plans
> for a web interface to that (and did think about making it publicly
> accessible - it would probably be best to have a moderation feature to
> approve things before they go on the screens if we do implement that). I
> was thinking to write it in python as I know the PIL can handle the
> image parts quite easily, but if someone has a different preference I
> don't particularly care.
> Can I rope anyone in to help with this?
> Robert
> --
> Robert McWilliam      rmcw at allmail.net    www.ormiret.com
> Cleverly disguised as a responsible adult.
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