Re: Bluetooth 2.1 keyboard not sending keypress notifications

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Hi Scott,

> >> So it turns out that the Mac isn't doing anything special either; it's
> >> doing ordinary 2.0 authentication. But the twist is an L2CAP
> >> connection and configuration request/response before authentication is
> >> requested, this seems to enable the keyboard sending a Vendor Event
> >> every time a key is pressed during authentication.
> >
> > that is what I thought. Get your Packet Logger in OS X running and hope
> > that it decodes a bit more. However getting this integrated into BlueZ
> > might be a lot trickier. This is nasty stuff.
> >
> Right now it looks like it's just making a connection to the HID
> Interrupt PSM (0x13), and while that connection is open, seeing the
> keypresses.
> 
> Is there an L2CAP debugger on the Linux side, so I can make sure I'm
> replicating what it's doing packetwise?

hcidump can record binary logfiles with -w. If you use hcidump 2.x then
it automatically record into BTSnoop format. Supported by Wireshark as
well. You can also use -R to see the raw data packets.

Regards

Marcel


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