[Tinyos-help] no implementation in /platforms/micaz/chips/cc2420/sim/SimCC2420C.nc in Tinyos-2.x

[Philip Levis]

On Jul 3, 2006, at 4:21 AM, Liu Haibin wrote:

> Hi,
>
> According to the document for TOSSIM in Tinyos-2.x, it only  
> supports micaz now and their implementation is under the "sim"  
> directory.
>
> [liuhb at tomcat tos]$ find . -name sim
> ./platforms/micaz/sim
> ./platforms/micaz/chips/cc2420/sim
> ./platforms/mica/sim
> ./chips/atm128/sim
> ./chips/atm128/pins/sim
> ./chips/atm128/spi/sim
> ./chips/atm128/timer/sim
>
> I thought ./platforms/micaz/chips/cc2420/sim is the implementation  
> for cc2420, but the file SimCC2420C.nc under ./platforms/micaz/ 
> chips/cc2420/sim is without implemenation (see the following).
>
> Any idea why it is so? Where can I find the Tossim implementation  
> for cc2420 in Tinyos-2.x? Many thanks.
>

There is currently no CC2420 simulation implementation: TOSSIM uses a  
packet simulation. The micaz TOSSIM platform simulates the atm128  
timers down to the HPL (registers), but active messages use a  
simulation-specific implementation.

Phil