On Monday, February 28, 2022 2:03:30 PM EST Steffen Möller wrote: > On 28.02.22 19:44, gene heskett wrote: > > On Monday, February 28, 2022 12:53:21 PM EST Steffen Möller wrote: > >> On 28.02.22 18:40, gene heskett wrote: > >>> On Monday, February 28, 2022 8:28:36 AM EST andy pugh wrote: > >>>> On Mon, 28 Feb 2022 at 13:22, Steffen > >>>> Möller<steffen_moel...@gmx.de> > >>> > >>> wrote: > >>>>>> ie, "rtapi" is relevant to uspace and rt builds. > >>>>> > >>>>> Can you guide me (or someone else surfacing) towards what would > >>>>> be > >>>>> required to have LinuxCNC readily compatible with that external > >>>>> EtherCAT package on Debian? > >>>> > >>>> Personally I know nothing about EtherCAT. I have always been a > >>>> little > >>>> afraid of the licensing complexities mentioned here: > >>>> > >>>> https://etherlab.org/en/ethercat/ > >>>> > >>>> Etherlab itself is GPLv2, but _using_ it seems to bring a > >>>> different > >>>> licensing restriction into play. And I don't know enough about > >>>> licensing to know if that's a problem. > >>> > >>> I followed this link, and couldn't find an obvious link to the > >>> licensing docs. Am I going blind? Or are they acting like a > >>> submarine, ala the compuserve debacle from about 25 years back? > >> > >> It is in the "Notice" section below that copyright thingy: > >> The license above concerns the source code only. Using the EtherCAT > >> technology and brand is only permitted in compliance with the > >> industrial property and similar rights ofBeckhoff Automation GmbH > >> <http://beckhoff.com/>. > >> > >> Best, > >> Steffen > > > > Yes, I read that too, Steffen, but failed to find a statement > > describing those rights. > > They did not put anything there, I agree. > > > Thats precisely why I mentioned the GIF debacle. I'm a > > genuine old fart, my history starts in late 1934, with a good memory > > about such dishonest goings on. It took maybe 20 hours for gifs to > > disappear from the net, totally and completely then, and maybe a week > > to fine tune png and get the first version out the door. Where is > > compuserve today? A footnote in history at best, but not remembered > > with loving thoughts. We invented the distastefull term "submarine > > patent" to describe what happened. > > > > I don't really want to be involved with an entity that references > > additional rights, but doesn't make those readily available. > > > > Maybe I didn't look hard enough but I did look with the idea of > > learning what those additional rights might cost. > > Nothing, so I was assured. > I was not specificaly seeking the monetary cost, more the loss of rights, which could be far more costly than the monetary cost. As always, keep TANSTAAFL in mind.
> I propose we describe what we want to do and then they either agree and > make LinuxCNC.org a member or they don't. That is likely the best idea at this time. If their gear is competitively priced it adds another src of good gear. OTOH, Peter has been very good to us and it doesn't bither me a bot to recommend mesa interfaces. Generally they Just Work which is more than I can say about others in the field. Take care Steffen. > Best, > Steffen > > >> _______________________________________________ > >> Emc-developers mailing list > >> Emc-developers@lists.sourceforge.net > >> https://lists.sourceforge.net/lists/listinfo/emc-developers > > > > Cheers, Gene Heskett. > > _______________________________________________ > Emc-developers mailing list > Emc-developers@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-developers Cheers, Gene Heskett. -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author, 1940) If we desire respect for the law, we must first make the law respectable. - Louis D. Brandeis Genes Web page <http://geneslinuxbox.net:6309/gene> _______________________________________________ Emc-developers mailing list Emc-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-developers
