What version of RTLinux is this?
Michael.
Craig Ireland ([EMAIL PROTECTED]) wrote:
> Hello everybody,
>
> I have two questions. I'm sorry they're a bit simplistic.
>
> First, what is the accuracy of the timing of a periodic rtthread? Is it up
> to +15-20us as when a thread responds to a hardware interrupt?
>
> Second, I am using Xmad4.1 and specifically the rt_max186.o module. The
> kernel crashes when the sample rate, which translates I think, to the
> frequency of the periodic sampling thread, rises above 5kHz. 5kHz is the
> maximum possible frequency listed in the documentation. This, however,
> referred to a P-133. 200us seems plenty of time to do the necessary
> accesses to the 16550 io port. Surely a Cel-466 would be able to achieve a
> higher rate?
>
> thanks for any help people can give,
>
> regards,
> Craig
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