[sdiy] frequency counter

[Antti Huovilainen]

On Sun, 25 Oct 2009, David G. Dixon wrote:

>> (I'm gonna make an AVR one right now just for fun.  Thanks for the
>> inspiration.)
>
> Yes, I think this one will have to wait until I learn microprocessors.
> However, I'm pretty old, so it might take a while...

Frequency counter is going to be pretty damn simple as far as the 
programming goes. It can be done in pure C. Just program the timer and 
capture ports for period measurement, wait for interrupt or capture 
finish, read value, output to display, loop to beginning. Not a bad 
starting project IMO.

Antti

"No boom today. Boom tomorrow. There's always a boom tomorrow"
   -- Lt. Cmdr. Ivanova