January 02, 2007
Optimal ISRs
It's very easy these days to write an Interrupt Service Routine. So easy, in fact, that it's easy to forget that they come at a price. Too many can cause performance bottlenecks—so it's important to optimize. The key is register stacking and unstacking. Check out "Minimizing ISR Overhead" by Nigel Jones for the scoop.
Posted by Kevin Carlson at 02:45 PM Permalink
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