Re: Using Beagle12 for debugging high-speed USB device

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>>
>> I'm using the nokia n810 for simulating/debugging on the device side. I have no
>> access to the host though! :(
>
> Why not?

Because the host runs a proprietary OS...and we don't have access to its source.
>
>> I'm planning to use the Beagle analyser for sniffing the initial
>> handshake happening
>> between the host and the device (cos thats where it's currently stuck).
>>
>> Because of budgetary constraints, I'm going for the cheaper USB 12
>> (for low / full-speed
>> devices). The totalphase site mentions that high-speed devices can
>> also be debugged with
>> this variant by putting a full-speed hub in-between.
>>
>> Will there be any issues if I go with this kind of a setup (i.e having
>> a full-speed hub in between).
>
> There shouldn't be any significant problem, _provided_ the LAN
> converter is able to work correctly at full speed.  Have you tested
> this?

Nopes. I'll try that and see if it works.
>
>> Or should I rather go with the more expensive (3 times more!) USB 480
>> which can analyse
>> high-speed devices. Though for buying this, I'll have to really
>> hard-press my boss for it! :)
>>
>> Has anyone here worked with the Beagle analyser? Wanted to get some
>> feedback on it's use.
>
> I have used the Beagle-12.  It's not difficult to do, although the user
> interface is a little awkward.  I heard that Totalphase was planning an
> update to their software (it may already have been released) to improve
> the interface.

I saw the video on their site and thought it was pretty cool...though I dont
have first hand exp like yours...

Thanks a lot for your input.

-mandeep
>
> Alan Stern
>
>
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