Re: [Bluez-users] Link Quality

[Manjunath Prabhu <manjunath.mp@gmail.com>]

Hi Marcel,


On Mon, 06 Dec 2004 14:30:45 +0100, Marcel Holtmann <marcel@holtmann.org> wrote:
> Hi Manjunath,
> 
> > The LM decides which packets to use to send data based on link quality.
> > How can I read or trace the  packet type I am using currently? Or
> > rather if the packet type changes...will an event be generated? Do the
> > packet types change dynamically......as the link quality varies???
> 
> the link manager has a list of packet types it is able to use and it
> will use them. There exists a command to change the packet types of an
> already created connection and this command will also create an event
> that informs you that the packet types have changed. Besides this you
> can only guess from the size of ACL data packets what packet type the
> link manager is using and this is not an exact science.
> 
> > Can I somehow avoid FEC checks???May be by using DH packets......but I
> > know you say I shouldn't change packet types??? Is there someother
> > method to do so.
> 
> No, because DM1 is always allowed.
After a connection is established, I can change the packet to any of
the DH types and avoid FEC........did you mean that even then DM1 is
allowed.

Does, opening a socket and then connect() at the
L2CAP......automatically establish an HCI connection first and then an
L2CAP connection on top of it??  This is what HCI dump shows..

Can I in someway just create an HCI connection and then pump HCI data
packet with some known payload??? In a way, just pump raw bits.....

Thanks,
Regards,
Manjunath
> 
> Regards
> 
> Marcel
> 
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