Gilles Chanteperdrix wrote: > On 8/29/07, Yeoh Chun Yeow <[EMAIL PROTECTED]> wrote: >> Anyway, I have setup an RTnet environment with cross over cable. I have >> observed that in the slave or client side that the tdmacfg rteth0 slot 0 200 >> cause the system to be hang. What is the possible cause of the problem? > > If 200 means 200 us, then it is too short on AT91.
Yes, the AT91 may miss its time slot once in a while due to ARM-specific latencies, and that could cause a stall of the calibration process here. You should choose a larger gap between the cycle start an the slave's slot. Jan
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