On Tue, 10 Feb 2004, Anders Hammarquist wrote:

> Hi!
> 
> David Monniaux wrote:
> > I have a Midiman (M-Audio) MobilePre USB sound card.
> 
> I too recently got one of these.
> 
> > I thus wrote a DFU firmware downloader. It works (well, it seems to work
> > most of the time - I have to understand why not 100%).
> 
> I've hacked up the atmel DFU loader (which I believe is the one Brad Hards
> refers to), and so far it's worked all the time. The method I use is to
> load the firmware, and then reboot linux (I don't have Windows on the box
> in question). A bit cumbersome, but it works.
> 
> I was planning on releasing this after figuring out how to not have to
> reboot, but that seems quite a bit harder to fix that I expected, given
> what I've read here. Thus I think I'll clean it up and release it anyway.
> 
> If anyone wants the code in its current state, just drop me a line.

> And now I'm off to see what these do. I'd be quite happy if I could get it
> to work by reloading the usb module.

It ought to be enough simply to reload the module for your host 
controller.  You shouldn't need to reload usbcore.

Alan Stern



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