Jim,
I was hoping to do 1Hz - 1MHz. Honestly, I was hoping to use the digital I/O on the 7250 board for this as I only care about a square wave. Based upon the example for the blinking LED, that does not look like a viable solution. I will have to do some more research to see.
Derek
--- In Jim Jackson <> wrote:
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> On Mon, 11 Oct 2010, Derek Agar wrote:
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> > My end goal is to create a programmable function generator. (ie: tell it
> > to output a square wave at a certain frequency for a specified period of
> > time, or do a frequency sweep stepping x Hz after so many minutes, ...)
> > Does anyone have useful examples for how to do this? What is the upper
> > and lower range in Hz that I would be able to output? Thanks Derek
>
> I've done something similar on a standard linux based PC using a sound
> card, with frequencies convering the audio range[1] (or more accurately the
> range of the audio card). But then that's what I needed and hence why I
> wrote the software.
>
> So...
>
> What sort of frequencies do you need to generate?
> What hardware were you thinking of using for your project?
> How where you thinking of generating the square wave?
>
> cheers
> Jim
>
> [1]
http://www.comp.leeds.ac.uk/jj/linux/siggen.html
>