[Tinyos-devel] Fwd: SendNotifier for Iris.

[David Moss]

My opinion may be a bit partial... but my app layer keeps a registry of AM
types and corresponding radios those types should be sent through, and uses
the SendNotifier interface to configure those outbound messages.  It's kind
of like dropping in a plug-in to give the system a new personality so you
don't have to edit generic libraries that should remain unmodified. 

-David



-----Original Message-----
From: tinyos-devel-bounces at millennium.berkeley.edu
[mailto:tinyos-devel-bounces at millennium.berkeley.edu] On Behalf Of Miklos
Maroti
Sent: Monday, November 17, 2008 12:09 PM
To: Philip Levis
Cc: TinyOS Development
Subject: [Tinyos-devel] Fwd: SendNotifier for Iris.

Hi Guys,

There is a guy who would like to have SendNotifier for IRIS
implemented. We have brought up this on the core wg, but would like to
have your imput whether the SendNotifier interface should be
implemented in all radio stacks or it is specific to the CC2420 stack.
Does anyone uses this interface for other purposes than debugging? For
me the semantics are not clear.

Best,
Mikos

---------- Forwarded message ----------
From: Ignacio Cossio <ignaciojcossio at gmail.com>
Date: Thu, Nov 13, 2008 at 1:04 PM
Subject: Re: SendNotifier for Iris.
To: Miklos Maroti <mmaroti at math.u-szeged.hu>


Dear Miklos,

my system is running CTP as the routing protocol. I also need a
timestamp indicating the time when every packet was created. After
evaluating some time synchronization protocols, I prefered using the
TimeSyncAMSend interface to compute the total time taken by the packet
to reach the base from the node where it was created.

For this purpose I had to modify the CTP protocol, that took me some
time and now, when there is any problem with the protocol I don´t know
if it is my fault or the protocol itself.

If I had the senderNotifier interface i would not need to modifythe
whole CTP protocol, but just every packet after being sent by CTP and
before they are actually sent by the physical layer.

Hope I have made myself clear, thanks and best regards,

Ignacio.

2008/11/12 Miklos Maroti <mmaroti at math.u-szeged.hu>
>
> Dear Ignacio,
>
> I have asked people about this. For what reason do you want to use it?
> What is the use case? We need to understand this, so we really want to
> support this interface on all platforms and encourage its use, or it
> is not going to be implemented on any other platform than the CC2420.
>
> Miklos
>
> On Wed, Oct 29, 2008 at 4:53 PM, Ignacio Cossio
> <ignaciojcossio at gmail.com> wrote:
> > Dear Mr. Maroti,
> >
> > I have seen a message from you in the Tinyos devel list stating you
could
> > implement the SendNotifier interface for the Iris platform. I am
interested
> > in using it, have you implemented it yet or plan to do it in the near
> > future?
> >
> > Thanks in advance, best regards,
> > I. Cossio.
> >

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