Curiosity on device discovery

[maksim yevmenkin]

Hello Jim,

> FreeBSD 6.0 / Linksys USB (Broadcom)  / BT enabled phone and headset
> 
> I've followed the handbook guidelines in using bluetooth and everything
> works fine.  I can discover nearby devices with my USB bluetooth device.
> 
> I can also use hccontrol to make connections to my bluetooth headset
> When I use hccontrol I can see the data exchanges by running hcidump
> in another window.
> 
> However, when I use the phone to discover nearby devices I don't
> see any indication of activity at all on the USB device. The phone
> does discover the device and it shows up with my hostname.
> 
> Why doesn't hcidump display that activity?  Is it being handled
> at the device driver level, below the HCI layer?

it is handled in the device's firmware (i.e. at the baseband/link 
manager level)

> So, I'd like to see that activity too.  What can I use to see that activity?

use specialized bluetooh air sniffer.

thanks,
max