By Philip Levis <p...@cs.stanford.edu>: > On Mar 17, 2011, at 3:26 AM, tja...@mail.tu-berlin.de wrote: > >> Hello, >> I think I have found a bug in the cc2420 stack concerning the >> transmission power of the acknowledgements. Maybe someone can verify >> it? I don?t know who is responsible for the stack at the moment. Is it >> still David? >> I am using the svn revision 5304 on the cc2420 folder. >> >> In my setup a telosb node is continuously sending packets, requests an >> ack and prints the rssi value of the ack. Another node is receiving >> and prints out the rssi value of the received packet. >> >> The problem occurs when I reduce the transmission power by setting >> CFLAGS += -DCC2420_DEF_RFPOWER=1. The rssi of the acknowledgement >> equals the transmission power of power level 31 and not the rssi of >> the received packet. >> It seems that the initial transmission power for the receiving node >> was not set to DCC2420_DEF_RFPOWER. It looks like this should be done >> by CC2420Control.Init. >> For the maximum transmission power the rssi values of the ack and >> received packet equals. The behavior occurs for SACK and HACK. > > Can you enter this as an issue in Google Code? Thanks! > > Phil > > >
Thanks for the reply. I have posted it. Tobias _______________________________________________ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help