Wasif, In CC2420XDriverConfig.nc, you need to modify CC2420XDriverConfig.requiresRssiCca(message_t* msg) such that it always returns false. This will turn off the CCA for all messages.
Please note that even if CCA is disabled the collision avoidance layer will do the initial backoff. To turn the collision avoidance layer off completely, change the stacking of the layers in CC2420XRadioC.nc, such that MessageBufferLayer and UniqueLayer are wired directly to SoftwareAckLayer, removing CollisionAvoidanceLayer from the stack completely. Janos On Fri, Jan 4, 2013 at 5:00 AM, wasif masood <rwmas...@gmail.com> wrote: > > Hi All, > > I am wondering is there any interface to turn off CCA for CC2420x Stack? > > From the wiring, I notice that the RandomCollisionConfiginterface is where > the CCA is configured but could not find any specific way to turn it off as > we have in CC2420 stack, i.e. the RadioBackoff interface! > > -- > Wasif Masood > > _______________________________________________ > Tinyos-help mailing list > Tinyos-help@millennium.berkeley.edu > https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help >
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