Re: USB Driver help needed

On Tue, 24 Jul 2007, Ron Gage wrote:

> This is a good one to start with as it is seen literally hundreds of 
> times in the trace.
> 
> 20    in down    n/a    3.195    VENDOR_ENDPOINT    -   
> URB Header (length: 80)
> SequenceNumber: 20
> Function: 0019 (VENDOR_ENDPOINT)
> PipeHandle: 00000000
> 
> SetupPacket:
> 0000: 00 81 82 00 00 00 00 00
> bmRequestType: 00
>   DIR: Host-To-Device
>   TYPE: Standard
>   RECIPIENT: Device
> bRequest: 81 
>   unknown!
> 
> 
> No TransferBuffer
> 
> 
> If I had to guess, this packet is acting something like a "get next" 
> type of function.  I can make the entire SnoopyPro dump file available 
> if that would help.

Don't you remember what I told you a few days ago?  The setup packet 
contents in the "down" report are unreliable.  You need to look at an 
"up" report.

Alan Stern


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