Re: Failed control transfer
- In reply to: Hans Petter Selasky : "Re: Failed control transfer"
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Date: Thu, 20 Oct 2022 22:08:18 UTC
> On 20 Oct 2022, at 23:39, Hans Petter Selasky <hps@selasky.org> wrote: > > On 10/12/22 05:56, Daniel O'Connor wrote: >>> On 11 Oct 2022, at 22:12, Hans Petter Selasky <hps@selasky.org> wrote: >>>> What does "usbdump -i usbusX -f Y -s 65536 -vvv" say? >>> >>> Maybe you should trace using usbdump from the start of attachment. >> Sorry to waste your time I just realised my mistake.. >> When it was connected to Linux/MacOS a tool automatically ran which silently patched(!) the Cypress FX2 code (it reset the CPU but didn't cause a reconnection so I didn't notice). >> After the code is patched the serial number command works (but xc3sprog blows up because it changes the protocol) > > Cool! Well I'm glad it wasn't FreeBSD but it was a pretty sneaky trick by Xilinx! -- Daniel O'Connor "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum