[Tinyos-devel] two zigbee implementations

[Jó Ágila Bitsch Link]

On Wed, Jul 9, 2008 at 4:20 PM, Stefano Kismet Lenzi <kismet.sl at gmail.com>
wrote:

> On Wed, Jul 9, 2008 at 09:56, Vlado Handziski <handzisk at tkn.tu-berlin.de>
> wrote:
> > To be precise, we (TUB) have only developed a standard compliant 802.15.4
> > MAC called TKN154. So we have two 802.15.4 MAC implementations and only
> one
> > Zigbee.
> >
> > Back in the days when the net2 group has been formed we had a long
> > discussion about the point in the protocol stack where the
> responsibilities
> > of core should end and where net2 should take over. We came to a
> reasonable
> > conclusion that MAC implementations should remain in core due to the
> tight
> > interdependence with the radio chip and timer HW abstractions. I think
> > practice has proven that this was a good decision because it helped
> shield
> > net2 from the changes we did in core.
> >
> > Now that we have a proper place in the code tree for different mac
> > implementations (tos/lib/mac)
>
> Which place did you mean? I have just performed an updated and I
> couldn't find any /tos/lib/mac folder.


Did you use cvs update -d
The -d flag is necessary to also get newly created directories.... (Why
again does tinyos development stick with cvs?)

>
>
> I think that the right way to proceed is for
> > Porto to factor out the MAC part of their implementation and move it into
> > this folder, at the same time transferring the responsibility for this
> code
> > from net2 to core. To this end, a representative of Porto might join
> core,
> > etc.  This is completely independent from the decision if the higher
> parts
> > of Porto's zigbee implementation remain in net2 or a new WG is formed as
> > Matt proposed.
>
> The Porto's zigbee that you are speaking about is the one available in
> the /tos/lib/net/zigbee folder?
>
> But I think that the standard compliant IEEE 802.15.4 MAC
> > implementations should remain under core for the above stated reasons.
>
> Where is the IEEE 802.15.4 MAC located?
>
> >
> > Vlado
> >
>
>
> Thank you,
> Stefano Lenzi
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