[Tinyos-help] micaz,cc2420,RF power with setRFPower(0)?
Alexander Becher
becher at i4.informatik.rwth-aachen.de
Fri May 25 04:47:27 PDT 2007
* Munaretto, Daniele:
>In the MPR-MIB user's manual (rev.B), at page 24, there is a table with some Power Register code and the corresponding TX RF power in dBm.
>
>Unfortunately not all the codes have the corresponding.
>
>Does anyone know the RF power when using the lowest code number, e.g. 0?
>
>Because 3 is -25 dBm, that seems to be the lowest, but from my experiments 0 is the lowest (and most useful for my work!).
The CC2420 datasheet has a section on output power setting. Maybe you
can work out from the source code of the CC2420Control module what
register values are being written to the chip, and then look up the
corresponding output power in the data sheet.
Hope that helps,
Alexander
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