Re: [Bluez-devel] hid2hci and Logitech Hub

[Alexander Holler <holler@ahsoftware.de>]

Hi Marcel,

--On Donnerstag, Dezember 25, 2003 17:28:42 +0100 Marcel Holtmann 
<marcel@holtmann.org> wrote:

> make sure that you always post also the answers to the mailing list ;)

I though that's nothing from interrest for the mailing list. ;)

>> > Logitech uses some specific HID reports to switch the device from HID
>> > to HCI mode. They use the report ID 16 for that and we also must send
>> > the same reports through hiddev interface of the USB HID driver, but
>> > by now I haven't figured out how to do it the right way.
>
> I think it will be this one
>
> 	0x10, 0xff, 0x81, 0x80, 0x00, 0x00, 0x00
>
> The 0x10 is the report ID.

As the report info for 0x10 shows 1 field and the maxusage from that field 
is 1, it seems there is no way sending 6 bytes (usages?) with one report 
0x10 using hiddev (if I have understood that part of hiddev correct ;) ).

I've tried sending 6 reports (0x10) with the values 0xff ... 0x00. That 
hasn't worked (allways remember, I've just started collecting some 
knowledge of usb, bluetooth and hid ;) ).

>> PS: 2.6 and the patch for 2.6 still oops when I disable the
>> bluetooth-device of my nb. Commenting out release of the isoc_iface
>> (which  is still done automacally) helps. I will write these days a
>> report to the  usb-helpline.
>
> For now simply compile your kernel without USB SCO support. I still
> haven't found the time to look deeper into it.

Just remove or comment out the release of the isoc_iface. The release isn't 
needed and that avoids the oops. ;)

> That is not really hard to achieve. I already reverse engineered most of
> the protocol they use on report ID 16 and 17, but I don't found the time
> to write it up.

Nice to hear. I will ask you after I got the hub working as hci. ;)

Regards,

Alexander



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