On Thu, 29 Jun 2006, Gerhard Fiedler wrote:

> Phillip wrote:
>
>> But I did not want to nest my low priority interupts (at least I don't
>> think I do)
>
> The whole point of using two interrupt priorities is nesting them. If you
> don't want the high prio ints interrupting the low prio ints, there's not
> really a point in having high and low prio ints.

The section in the C18 manual entitled "Nesting Interrupts" refers to
re-entrant nesting of interrupts of the same priority level, not
interrupting of low priority interrupts by high priority interrupts.
I.e., you can nest low priority interrupts since their context is
saved on the software stack, but you can't nest high priority
interrupts since they use the fast register stack.

--
John W. Temples, III
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