[Tinyos-devel] Nested interrupts

Philip Levis pal at cs.stanford.edu
Fri Aug 10 10:28:07 PDT 2007


On Aug 10, 2007, at 9:52 AM, Rodrigo Fonseca wrote:

> Hi,
>
> in a project we are doing we need to take care of nested interrupts:
> interrupts that fire while the processor is inside an interrupt
> handler.
>
> The question is, for each processor, is there a bound for the number
> of nested interrupts we can have? Is that the number of different
> interrupt priorities, or is it only bounded by the size of the stack
> :) ?


Size of the stack. E.g., an interrupt can be self-preemptive.

Phil


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