[Lazarus] Decoding USB sniff data

[Mark Morgan Lloyd]

Henry Vermaak wrote:

> You can use some kind of usb snooping software to reverse engineer all
> the transfers.  I've used this approach with success.  It's important
> for you to familiarise yourself with the usb protocol, though.

The thing one has to be careful of here is when the same pid:vid can 
refer to several different implementations. The Windows software knows 
how to pick up a private submodel number, somebody reverse-engineering 
the transfer doesn't.

> Note that there aren't any fpc bindings for libusb 1 (that I know of),
> but that should be easy to generate.

http://wiki.lazarus.freepascal.org/Hardware_Access#libusb

-- 
Mark Morgan Lloyd
markMLl .AT. telemetry.co .DOT. uk

[Opinions above are the author's, not those of his employers or colleagues]