A: No. Q: Should I include quotations after my reply? On Mon, Jul 03, 2006 at 04:53:43PM -0400, Daniel Bonekeeper wrote: > hahahaha I wish I could... well, you are _always_ welcome to donate me > yours ! =P > I'll try more later to get one of those readers... > > Reading Greg's comment, now I'm in doubt if this should really be in > kernel mode or at userspace. Since there is no standard (AFAIK) for > those readers, how should it be done ? It all depends on what you want the userspace interface to be. > Another thing: where can I find documentation about the USB > architecture ? www.usb.org for the USB specs. See the kernel built-in documentation for a full document on how the Linux USB layer works. > For example, I suppose that some (or all) USB devices may have DMA > capabilities... how is this done ? Heh, no, USB can't do DMA at all. Why would you think they could? It's a serial bus that just streams data across it at relativly slow speeds. thanks, greg k-h -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
