Bill:

I don't think the PRU clocks are externally available.

I don't know what your interface looks like, but if there was a clock line
involved in the data transfer, or marking when data is valid, I would look
at inverting or adding some delay in that line going to the receiving PRU.
If your interface does not look like that, then I don't have a suggestion,
other than using a second BBB for monitoring.

--- Graham

==

On Wed, Dec 23, 2015 at 5:21 PM, WZ9V <[email protected]> wrote:

> Could you use a second BBB as the capture device instead?  That would
> isolate the PRUs from each other and possibly allow for the HW capture that
> was mentioned.
>
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