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

Marcelo/Porks marcelorossi at gmail.com
Fri Jun 4 01:03:14 UTC 2010


On Thu, Jun 3, 2010 at 12:57 PM, Hans Petter Selasky <hselasky at c2i.net> wrote:
> On Thursday 03 June 2010 17:54:17 Hans Petter Selasky wrote:
>> On Thursday 03 June 2010 17:50:08 Hans Petter Selasky wrote:
>> > 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
>> > > >
>
> Hi,
>
> Should be like this: Note the structure is called "bulk_min":
>
>        static const uint16_t bulk_min[USB_SPEED_MAX] = {
>                [USB_SPEED_LOW] = 8,
>                [USB_SPEED_FULL] = 8,
>                [USB_SPEED_HIGH] = 512,
>                [USB_SPEED_VARIABLE] = 512,
>                [USB_SPEED_SUPER] = 1024,
>        };
> --HPS

Hi, This was what I changed at first. I tried in a FreeBSD current
(Jun 3) and at 8.0-p3.

At FreeBSD current I changed the line 3062.

From:
[USB_SPEED_LOW] = 0,    /* not supported */

To:
[USB_SPEED_LOW] = 8,


Like you suggested I'll try to talk with you in #bsdusb at efnet

Thank you!

-- 
Marcelo Rossi
"This e-mail is provided "AS IS" with no warranties, and confers no rights."


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