Re: Fwd: umodem (4) recognize a CDC-ACM device

From: Hans Petter Selasky <hselasky_at_c2i.net>
Date: Thu, 3 Jun 2010 17:50:08 +0200
On Thursday 03 June 2010 16:22:33 Marcelo/Porks wrote:
> On Wed, Jun 2, 2010 at 1:25 PM, Hans Petter Selasky <hselasky_at_c2i.net> 
wrote:
> > Hi,
> >
> > The problem is that LOW speed does not support BULK transfers according
> > to the USB specification. I guess we could switch that support on, though
> > I'd rather stick with the spec.
> >
> > Try changing this line in:
> >
> > src/sys/dev/usb/usb_transfer.c
> >
> >                [USB_SPEED_LOW] = 0,    /* not supported */
> > Into:
> >
> >                [USB_SPEED_LOW] = 8,    /* not supported according to USB
> > spec. */
> 
> Hi, Thanks again for the reply.
> 
> I changed this line [1], but the result was the same:

Hi,

You also need to update this structure above:

        [UE_BULK] = {
                [USB_SPEED_LOW] = {.fixed = {0, 0, 0, 0}},      /* invalid */

Change it into:

	8, 8, 8, 8,

:-)

--HPS
Received on Thu Jun 03 2010 - 13:52:57 UTC

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