Roland Tollenaar wrote: > Hi Jan, > >> Maybe you missed the separated lists? rtnet-user-at-lists.sourceforge.net > > I did. Sorry. I think you even mentioned it before. Sorry again. > >> >> But note in advance that RTnet for I/O coupling requires RTnet I/O >> coupler that you cannot buy as there are no commercial ones. You would >> have to embed it on your own. Maybe you then rather want to use the >> Ethercat MasterLibrary with RTnet to attach Ethercat I/O nodes. > > This looks like it may be a break. I had just found ethercat before this > mail came in. By the look of things (very early) the hardware (Beckhoff) > will give the IO and according to the vendor (who I have limited faith > in by now) should make the time. > > According to the same vendor (whom I have limited faith in) I can use > the standard ethernet hardware in PC's for ethercat. Unlike Powerlink > (B&R whom I am at war with and also have limited faith in :)) which > requires a special powerlink card. > > But my next problem will be to get xenomai to work with ethercat. You > say I can try using the Ethercat Master library with RTnet. But why > would I need RTnet? How will the layering look in this case? IOW what > functionality will the ethernet master library provide and what will the > RTnet provide? > > Has anyone done this before?
[being in a hurry] Check the links on www.rtnet.org to the related project at FMTC. They even have mailing lists for detail questions. The setup will be: Xenomai (basis) + RTnet (RT-NIC driver, core network stack) + EML (userspace lib with Ethercat master code) + Your App (linked against Xenomai and EML). Jan
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