On the base of what I understand for the CC2420, The TOSH_READ_RADIO_CCA_PIN() can be used every time you issue a request to dispatch a packet, if the pin is active then you can go...
The RSSI value indicates if there is activity in the channel in order to start receiving a packet. > I need to know two questions regarding how the cc2420 works > 1) why does in cc2420M.nc the call TOSH_READ_RADIO_CCA_PIN() does not wait > for the RSSI_VALID flag? > 2) if the radio doesnt transmit for a long time, is the RSSI continuously > updated every 8 periods of symbol and the RSSI_VALID flag is everytime high > (this question is related to the first one)? > may be someone else would give us more info. --marco. _______________________________________________ Tinyos-help mailing list [email protected] https://mail.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
