Re: [Libusb-win32-devel] Timeout Error with libUSB Win 32

[alex_f <ale...@gm...>]

Hi Atton_666,

I'm currently facing exactly the same problems with also exactly the same
device (st-link debugger). Currently I've found out that this only happens
with bulk read requests that are a multiple of 64 bytes or with really large
buffers >1500 bytes, but I've still got not clue why this happens. To make
things worse, I've looked into the communication with the original driver
and there its working, i.e. I saw a mem read request for 64 bytes. The very
same request fails for me.

By the way, I've tried it on both, Windows and Linux with the same behavior.
As a suboptimal workaround I'm now checking for multiples of 64 bytes when
doing mem reads and divide it into two requests.

Have you got any further by now?

Thanks,
Alex



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