Nadym Salem wrote: > On Thu, July 26, 2007 14:05, Nadym Salem wrote: >> On Thu, July 26, 2007 13:55, Jan Kiszka wrote: >>> Nadym Salem schrieb: >>>> Hi, >>>> I have a master being connected to several clients using TDMA. I have >>>> the >>>> need to include one of the clients on the same machine as the master, >>>> communicating via ethernet. >>>> Thinking of the net as a logical ring, I see the problem of having to >>>> interfaces on the master now. Do I get two rings in that case ? And if >>>> so, >>>> is there a way to avoid that, since my clients have to be synchronous. >>> I don't get your scenario yet. I assume it's still IP-less, using packet >>> sockets, right? What is your precise problem with the rtloopback device >>> for local delivery? >> Right assumed, still the same scenario. Using the loopback device I would >> have two devices on the master. If I want to include one of the slaves on >> the same machine as the master, how could I include the Slave into the >> same TDMA "ring" ? My idea would be, to create a new rtethx device on the >> same network adapter. But I have no further idea how to solve that >> situation. >> If the scenario is still unclear, I could try to create a small picture ;) > > Bringing it up again.
Still no clue what your precise problem is, but here are some blind comments: It doesn't matter regarding TDMA master/slave where the application is running. You have the same TDMA API (via RTDM device TDMA<n>) on all nodes, thus you can sync also locally on the master clock. On the other hand RTmac/TDMA will not work over loopback, thus you don't get anything like "two rings". Jan
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