Re: Failed control transfer

Reply: Daniel O'Connor: "Re: Failed control transfer"
In reply to: Daniel O'Connor: "Failed control transfer"
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From: Hans Petter Selasky <hps_at_selasky.org>
Date: Tue, 11 Oct 2022 06:57:49 UTC

On 10/11/22 06:18, Daniel O'Connor wrote:
> I am trying to fix a bug in xc3sprog whereby it can't read the hardware ID (serial number) from the Xilinx programming tool.

Sometimes you need to ask for 255 bytes and allow the control transfer 
to short terminate. Many USB devices are broken this way, that they 
cannot return partial USB descriptors.

--HPS