Re: libusb driver question: can't write to endpoint

On Sun, 11 Mar 2007, Phil Dibowitz wrote:

> So I went back and "fixed" the remote by updating on my mac and noticed the
> software "initializes" it before it "uploads" (generic terms in the GUI),
> and looking back at the log from the windows box, it sends a few
> CONTROL_TRANSFERs before it starts up the INTERRUPT_TRANSFERs. So there's
> one thing I think I'm missing - I don't know what those CONTROL TRANSFERS are.

They could be the standard Windows enumeration sequence.

> Finally, near the end of the transfers in the log, there's an "unknown"
> function that usblog-dump can't interpret from the USBSnoopy logs. I've
> emailed the author with the relevant info, but its a function 0x0e7a:

> So I suspect there's some special "welcome back to the world" packet it
> sends at the end there, but I have no idea what it is. I assume that's the
> second piece I'm missing.

Find a computer with Windows installed and run the real USBSnoopy program 
on it.

Alan Stern


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