Hi,
Although I may be able to grab some data with WireShark, I am totally
not familiar with USB implementations, so I am with you when you hope
Sigrok developers would step in.
I may post some WireShark data later if I come round to it, for now, I
will keep using libusb-win32 with the mcupro Logic16 clone.
Thanks for your time and replies.
On 30/03/2020 19:25, Paul Fertser wrote:
Hey,
On Mon, Mar 30, 2020 at 06:50:34PM +0200, Martijn Scalé wrote:
As for the libusb-win32 driver, I understood that it was deprecated, I read it
So nice you found a workaround. And something to compare with.
" We recently had an odd issue with OpenOCD on windows where a claim_interface
libusb API call was missing and it was giving weird errors as the result but
just on windows."
Could this still be related?
It might be related, yes. I'm not familiar with Sigrok codebase but
the idea is to check whether this driver runs claim_interface when
working on windows (and in fact it should be called on all systems,
just some are more forgiving).
Of course we are talking about a clone, and it does work with libusb-win32, but
with this driver being deprecated I am eager to get it working on WinUSB.
So your thoughts and input are highly appreciated!
At this point I hope sigrok developers can chime in. It might be a bug
in libusb too but I do not know how to gather enough debug info for
the libusb maintainers to fix it. First thing to try would be to make
sure claim_interface() is called. And then probably you can use
Wireshark to capture all USB traffic in both libusb-win32 and WinUSB
cases. That would make for a potentially useful bug report.
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