Yeoh Chun Yeow wrote: > Dear Jan, > > I don't think that I have tested the scenario on "joint TDMA slots or the > Sync frame immediately followed by the > master's payload slot" before. I only tried out the default setup script > with 1 master and 1 slave. Please advice on how to do this.
If you ran the default setup for the master on an AT91, you already generated a scenario like this: The master's Sync frame is then directly followed by its payload slot (offset 0). If you want to drive this further, you could add another slot to the master's setup. Use the advanced setup mode (TDMA_CONFIG=... in rtnet.conf) and modify the master's slot list like this: master: ... slot 0 0 slot 1 0 1/1 1500 1 > > By the way, how the link state polling timer will affect the real-time > operation? Probably not dramatically: It will add periodic non-preemptible hardware access to your real-time workload. Depending on how tight your schedule will be and how long those interaction my take (can't tell as I don't have a target to test), this /can/ be problematic. By disabling it, we remove one further aspect one has to consider for the real-time design of the system. Jan
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