need a usb device and learn writting a usb gadget driver

[Greg KH]

On Wed, Mar 18, 2009 at 08:51:59AM +0100, Benoit Donnette wrote:
> >
> > List,
> >
> > Could anyone recommend me a usb device to learn writting a usb gadget
> > driver?
> >
> > usb mice, usb keyboard and usb flash are using usb core/host.
> >
> > I see some drivers in drivers/usb/gadget subdirectory but do not know
> > which slave usb devices those drivers support.
> >
> > Thanks.
> >
> 
> Well, correct me if needed, but I think USB gadget is basically using a
> Linux host as a USB *device*, not a USB *host*. So, unless you're doing
> embedded (or working with fairly specific hardware), it is probably not
> what you want.
> 
> And if it really is what you want, well, a USB tracker (keep track of
> packets) could be a good starting point.

We already have that, look for 'usbmon' in the Linux kernel tree.

thanks,

greg k-h