Jeff,

I would think you could use size 0, even for ep0, if you're really not
doing any TX streaming from the host. A size of 0 gets coerced to the
minimum size, which I think is 32. I might set it to something a bit larger
to be on the safe side, maybe 512.

Wade

On Mon, Jun 21, 2021 at 9:04 AM Jeff Clintoon <jeffc10...@hotmail.com>
wrote:

> Wade,
>
> Thanks for the help.  After fixing that port conflict (I missed one
> copy/paste cleanup) and changing the buffer sizes to 32k from 64k, it
> built.  Reading more about that parameter, it looks like I could set the
> buffer size to 0 for all the ports, as I'm not sending any data for
> transmit.  Perhaps I still need some buffer on ep0 for control traffic?
> It's unclear if that's the case.  Now I just need to write the host-side
> software to get the data.
>
> Thanks,
> Jeff
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