it is meta data.   it doesn't get transmitted.

it is used to change the transmit power on the fly.  on a per packet basis.

i beleive the value is sticky.  meaning that the last used transmit power
is used until
another transmit power is set on another packet.



On Sun, Aug 25, 2013 at 8:25 AM, Christian Haas <[email protected]> wrote:

> On 08/24/2013 11:25 PM, Eric Decker wrote:
> > you don't specify why you think this is failing.
> >
>
> I think its simply failing because the tx_power is not transmitted at all.
>
> Quote:
>
> /**
>  * CC2420 Packet metadata. Contains extra information about the message
>  * that will not be transmitted.
>  */
>
> typedef nx_struct cc2420_metadata_t {
>   nx_uint8_t rssi;
>   nx_uint8_t lqi;
>   nx_uint8_t tx_power;
> ....
>
>
> GL
> _______________________________________________
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> [email protected]
> https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
>



-- 
Eric B. Decker
Senior (over 50 :-) Researcher
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