Re: device descriptor not sent correctly

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On Fri, Nov 20, 2009 Greg KH wrote:
> [...]
> > > > Can you point me out, which function does listen to the host, or which
> > > > function actually sends the device descriptor? It does not have to be
> > > > in pxa27x-udc, I would also appreciate, if you can show this in any
> > > > other driver, because I only want to see, what such code looks like.
> > > 
> > > The USB core handles all of this for you on the host side.  On the
> > > gadget side, it is in the "type" of device that you have specified to be
> > > built for your device.  What type did you set?
> > 
> > Sorry, you mean the type of the device driver? Then, it is g-serial as
> > CDC-ACM, but also others like g-zero as normal type. (The drivers are
> > compiled as modules and modprobed with no parameter.)
> 
> Odd, what does the usbmon output look like on the host side?

Sorry, my host is a windows pc. I will give you this information in the next days.

For now, another question: Could this error occur, because the pullup goes wrong? The board which I use, is comparatively new, and I had to write the GPIO pins for USB device into the machine code on my own (I have no experience with this).






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