>
> Don't know, but this might help you... Basically, you compare the frequency
> to measure with a known frequency (which usually is the processor's clock).
>
> There are two main ways. One is to count how many cycles of the frequency
> to measure fall within a known time; for example one second. You can use
> e.g. the timer 1 in counter mode for this. This method is generally used
> when the measuring time is (or may be) long compared to the cycle time.
>
> The other method is to count how many cycles of the known frequency fall
> within a single cycle (or a known multiple of a single cycle) of the
> frequency to measure. You can use e.g. the CCP module in capture mode for
> this. This is generally used when the frequency to measure is low compared
> to the known frequency.
>
> Which method you choose depends on the frequencies you're looking at, on
> the precision and timing requirements, on the available hardware resources
> -- and on personal taste :)  Sometimes you may want to switch between
> methods based on a preliminary first result.
>
> Gerhard
>
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Thanks!
I'm trying to find more like well-commented asm code, since my asm
knowledge is not quite good enough to implement this by myself from
zero.
Anyway, I have to read more about timers.

-- 
KPL
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