[PD] Puredata and DMX using OLA

[Peter Venus]

Hello!

i am using a different solution to control DMX:
i struggeled as well with enttecs openDMXusb and i am now using an

Enttec ODE (open DMX Ethernet)
https://www.enttec.com/eu/products/controls/dmx-over-ethernet/ode-mk2-open-dmx-ethernet/

This allows me to send Artnet-protocol commands via Ethernet directly 
from PD by using the netsend-objects.

Of course, one has to wrap his/her head around the artnet-protocoll, but 
marian weger did already and build some very nice vanilla-only abstractions,

[artnetout]
[makeartdmx]

these can be found in his git within his kollabs-abstractions:

https://github.com/m---w/kollabs

maybe this helps?

The only drawback when using the enttec ODE: to configure it, the 
quickest way is to use enttecs own configuration software,which is win 
and mac...(i did not try using it via wine)

enjoy,

peter


On 2018-06-25 08:31, JP - Escarres wrote:
> That's it!
> I didn't really understood the "compiling on ubuntu" part in the 
> readme.txt file.
> 
> Especially this "You can copy the last command of the build.sh terminal 
> output".
> I thought the code line was inside build.sh, but no, it's outputed on 
> the terminal.
> So after this, my pd object ola2pd finally works! Thanks a lot for the hint!
> It doesn't mean I can control the lights yet, but it's already a big step!
> 
> Le ven. 22 juin 2018 à 17:37, IOhannes m zmölnig <zmoelnig at iem.at 
> <mailto:zmoelnig at iem.at>> a écrit :
> 
>     On 06/22/2018 05:37 AM, JP - Escarres wrote:
>      > Hi everyone.
>      > I'm trying to make my DMX interface (Enttec OpenDMX USB) work
>     with Pd.
>      > I read a lot of things about it, and probably the best way to
>     make it work
>      > would be by using Open Lighting Architecture (
>      > https://www.openlighting.org/ola/)
>      > I'd like to avoid using something like QLC if possible.
>      > I'm on Linux (Ubuntu).
>      >
>      > I found this external http://puredata.info/Members/santi/ola2pd/
>     which
>      > seems to be perfect for me.
>      > I tried to follow all the steps (installing Ola, compiling
>     Flext), but the
>      > object Ola2pd is not recognized by Pd.
>      > As they suggested, I tried to compile it myself by using Flext.
>     It works,
>      > but still, the object Ola2pd is not recognized in pd.
>      > I received the message "undefined symbol:
>      > _ZTIN3ola6client17BaseClientWrapperE"
>      >
>      > Any idea of what I could do?
> 
>     well, the problem you are facing is, that (at least) one of the symbols
>     that are supposedly provided by libola is missing.
> 
>     so there's two possibilities:
>     - either you are not (properly) linking against libola
>     - or current version of libola does not provide that symbol any longer.
> 
>     assuming the former (as the latter would require porting the external to
>     the new libola), i see that the readme.txt has an explicit note on
>     "compiling on ubuntu", that requires you to repeat the linker command
>     with "-lflext-pd_t -lola" *after* the output file (ola.pd_linux) rather
>     than before it (because doing it in the wrong order will make modern
>     linkers skip the linking; this is actually a bug in the buildsystem).
> 
>     even if you are not using ubuntu, most modern linkers will require that
>     step.
> 
>     fgmasrd
>     IOhannes
> 
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