Re: [Bluez-users] Re: Everything seems normal yet...

[Marcel Holtmann <marcel@holtmann.org>]

Hi Steven,

> >> > HCI Event: Vendor (0xff) plen 7
> >>   0000: cd 03 00 04 00 00 00                              .......
> > 
> > since this is a CSR chip, use "-m 10" as additional parameter to hcidump
> > to enable the decoding of CSR vendor events.
> 
> That won't really help in this case. All it'll tell you is that it's the
> 1 byte message 00 on subchannel 4 coming from a VM application running
> on the chip.
> 
> Subchannels below 0x0080 are free for use by the VM application. So,
> without visibility of the VM application, it's difficult to know
> exactly what this message signifies.
> 
> VM applications on dongles in HCI mode are fairly limited. They can
> detect Bluetooth activity, process messages from and send messages to
> the host, enable and disable the radio, reboot in another mode and a
> few other bits and pieces.
> 
> So, it may simply be an indication from the dongle to the host that
> there's been some Bluetooth activity. The host might use this to flash
> a light or similar.

this is unusual. I never saw any dongle transmitting continuously vendor
events. There must be something wrong with this device.

Regards

Marcel




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