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 _______________________________________________ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
