At what high frequency do you start to notice the problem?
- Kal.
Richard Hasty wrote:
>
> I just started playing with RTL v2.2 and ran into a problem I don't
> understand. I was using the parallel port IRQ and it appears that a high
> interrupt rate causes the computer to lock up, even after the interrupts
> cease. I don't actually need high interrupt rates, they occurred
> accidentally because of the poorly designed sensor. All I'm doing in the
> interrupt service routine is writing to the parallel port, incrementing a
> counter, printing the counter using rtl_printf, and re-enabling the IRQ. I
> solved the problem by re-enabling the IRQ in another process a short time
> later.
>
> Should I always limit the interrupt rate artificially like this? Why
> does this problem occur?
>
> Thanks,
> Richard Hasty
> [EMAIL PROTECTED]
>
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