[Tinyos-help] Port Numbers

[Mohammed Al-Saleh]

Hi Eric,

To be honest, I don't know if it s/w or h/w and I don't know how things work, that is why

my question might appear strange.

What I want to understand is how the MCU gets the data off the network and stores it

in the data memory. Is there any specific port through which the MCU gets the data?

if yes what is it, if no, then how the data eventually gets into the data memory.

I've checked all the instruction set of the AVR architecture (bcz I am interested in mica2 platform), I did not find

any instruction that might get the data off the bus or radio or ... . The IN instruction just brings data from I/O space into register file

and the OUT instruction brings the data from register file into the I/O space.

I might still not explain things well, but any hint about "how the network data flows in the system" would be very helpful.

Thanks in advance for any help!

...Mohammed

On Mon, 2 Mar 2009 21:56:27 -0800, Eric Decker wrote
> On Mon, Mar 2, 2009 at 3:31 PM, Mohammed Al-Saleh <alsaleh at cs.unm.edu> wrote:
>

Hi all,
> 
> Does any body know the ports (may be one specific port) through which the
> network data come from into the I/O space?
> 
> Is this a h/w or s/w question?
> 
> If h/w, it depends on how the h/w is built and what platform one is talking about?
> 
> Can you ask your question a different way with more detail?
> 
> eric
>  
> Thanks,
> 
> ...Mohammed
> 
> 
> --
> 
> _______________________________________________
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> 
> 
> -- 
> Eric B. Decker
> Senior (over 50 :-) Researcher
> Autonomous Systems Lab
> Jack Baskin School of Engineering
> UCSC

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