On Oct 7, 2006, at 9:39 PM, Carlos Perez wrote:
Hello,
I'm using TinyOS 2.0 on TOSSIM micaz and I'm trying to use the
CC2420Packet Interface to read the rssi value from my received
packets. Since this interface was not provided by the
ActiveMessageC wrapper for the micaz platform, I added the
interface and wiring to the ActiveMessageC.nc configuration file
in /tos/platforms/micaz/ directory like this:
2 things:
1) TOSSIM replaces the packet layer. Look in lib/tossim/.
2) TOSSIM does not support getting RSSI readings.
Basically, although the underlying model in 2.0 is RSSI based, there
isn't yet a good data set for me to build an interference model from.
USC has a very nice paper in the upcoming SenSys about the mica2, and
I used their data to populate the model in TOSSIM. So right now it's
a bit confused, in that it has CC2420 timing but CC1000 RF. I hope to
remedy that in the next few months, but it will not make it into the
upcoming release. I figure that having a solid and complete mote
TinyOS is a necessary precondition to adding functionality into
TOSSIM (last thing I want is for the two to fork).
Phil
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