gerard klaver wrote:
Did you set the configuration, interface and altsetting before the bulk read command?
Not explicitly, but my driver probe routine checks the interface so this should be already binded. I based my driver on the structure of others, so I don't think this is required.
Either way, I'll have a play with this and see if it helps. Thanks for the suggestion.
Also putting this info on a website is maybe a better idea for sharing info.
Sorry, should have said that the driver code is at http://dev.gentoo.org/~dsd/dpfp I'll add the sniffed logs there soon.
No info about the used fingerprint chip i assume?
Nope, not other than its manufactured by Digital Persona and I expect the hardware is very similar to their UareU 4000 device.
Depending on your plans for such a device, writing a sane backend could be another option (scanner/webcam).
Maybe, I'm hoping to be able to extract images from it and then use the BioAPI stuff (www.linuxbiometrics.com) to do fingerprint recognition. I haven't really looked that far just yet anyway :)
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