Re: [Bluez-devel] hid2hci and Logitech Hub

[Marcel Holtmann <marcel@holtmann.org>]

Hi Alexander,

make sure that you always post also the answers to 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.
> 
> Ah, thanks, then I've got allways 'device busy' because the hid-driver uses 
> the interface.
> As I've just found an example to send HID reports, I will try if I have 
> luck finding the correct sequence.

I think it will be this one

	0x10, 0xff, 0x81, 0x80, 0x00, 0x00, 0x00

The 0x10 is the report ID.

> 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.

> PPS: Is there anywhere a irc channel or jabber conference for 
> bluez-users/devels?

Not that I know of.

> PPPS: I would prefer /usr/local as preset prefix for installing the lib2 
> (and the headers). ;)

I prefer /usr, but that is no problem anyway. Use --prefix ;)

> PPPPS: In a report to Logitech about some problems with the DiNovo (The 
> device shows  12-hour format instead 24-hour format) I've asked them too 
> about some help switching the hub. Maybe I will get an answer, because that 
> should reach one of the developers. The first answer from them was 
> deinstall and reinstall, but deinstalling the widcomm-stack doesn't switch 
> back the hub to hid-modus, so I haven't a chance to interact with my 
> computer (for reset) after the stack was deinstalled. So my second report 
> where I've asked about how to switch the hub could reach someone with 
> enough knowledge. ;)

Keep me informed if you got any success.

> I would be nice using the MediaPad under Linux, showing important messages 
> on the lcd. ;)

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.

Regards

Marcel




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