AVR-Chat

Dave,

   My feelings are hurt!  I would NEVER call a function from within an 
ISR!  Isn't there a special section of hell reserved for people who do 
that?  Right next to the place that drunks that spill their beer go?

:)
DLC

Dave Hylands wrote:
> Hi Dennis,
> 
> 
>>   Other that that, I find that GCC-AVR does a pretty good job of code
>>density - I just don't like the variable referencing and sloppy (or
>>perhaps overly hand-holding) job it does with ISR's.
> 
> 
> I've noticed that one way to get better ISR's is to ensure that your
> ISR doesn't call any other functions (except for inline ones). As soon
> as you call another function, the compiler has to save/restore a pile
> more registers than if you don't call any other functions.
> 
> Just an observation....
> 


-- 
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* Dennis Clark  dlc@frii.com http://www.techtoystoday.com             *
* "Programming and Customizing the OOPic Microcontroller" Mcgraw-Hill *
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