Re: Using Beagle12 for debugging high-speed USB device

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On Tue, 5 May 2009, Mandeep Sandhu wrote:

> >> Because the host runs a proprietary OS...and we don't have access to its source.
> >
> > Can you use a different host?  Even if it runs Windows, you can capture
> > the USB traffic with SnoopyPro.
> 
> Hmmm....good idea. I'll use a Linux host instead! :)
> 
> The USB-to-LAN controller in question here is the ASIX 88772. I'll connect
> the device to my linux host and see what all descriptors the device sends to
> the host.
> 
> Any other tips on how rev engg a device? Me a total noob here... :)

No, no tips.  Just a warning: Reverse engineering is very difficult, 
since you can never be entirely sure what a packet means.  And you can 
never be sure that you have encountered all the possible types of 
packet contents.

Alan Stern

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