I guess this is because you're getting not only the Physical payload as expected when you run the Listen application. Have a look at this:
http://www.tinyos.net/tinyos-2.x/doc/html/tep113.html (section 3.6) Regards 2009/10/13 <farooq...@hotmail.com>: > thanks for the reply Mr. Ruben, > > I have looked at the file but the number of bytes in that packet are less > than what i receive. > Also, why am i not able to receive data in serial forwarder when i can in > hyperterminal? > > waiting for your reply. > Rubén Ríos del Pozo wrote: >> >> Have you looked at this url? >> >> http://docs.tinyos.net/index.php/Mote-PC_serial_communication_and_SerialForwarder#BaseStation_and_net.tinyos.tools.Listen >> >> Regards >> >> 2009/10/12 farooq_s <farooq...@hotmail.com>: >>> >>> hi, >>> >>> I had created a custom node earlier and interfaced some sensors with it. >>> In >>> order to observe the received data on the PC i have connected the mote to >>> COM1 using the DB9(serial) connector. Now the probelm is observing the >>> packets: >>> >>> - when i use the listen command resynchronizing appears and nothing >>> happens >>> - When I opened up Hyperterminal, all I could get was ASCII characters, >>> but >>> still, something was being received. >>> - then i installed RealTerm that can display the received packets on COM1 >>> in >>> Hex. >>> >>> Now the issue is that I dont understand the format of the packets: >>> When I run the BlinkToRadio Application on the remote node, this is what >>> i >>> get on RealTerm: >>> >>> BE A5 80 FF FF FF FF 84 80 86 80 81 80 81 91 FD BE >>> BE A5 80 FF FF FF FF 84 80 86 80 81 80 82 A2 ED BE >>> BE A5 80 FF FF FF FF 84 80 86 80 81 80 83 B3 FD BE >>> . >>> . >>> . >>> >>> I dont understand what the initial part is and why it is being repeated. >>> Kindly help me with this! >>> >>> Thanks in advance >>> >>> Farooq Sultan >>> >>> >>> -- >>> View this message in context: >>> http://www.nabble.com/serial-comm-tp25852305p25852305.html >>> Sent from the TinyOS - Help mailing list archive at Nabble.com. >>> >>> _______________________________________________ >>> Tinyos-help mailing list >>> Tinyos-help@millennium.berkeley.edu >>> https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help >>> >> >> _______________________________________________ >> Tinyos-help mailing list >> Tinyos-help@millennium.berkeley.edu >> https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help >> >> > Quoted from: http://www.nabble.com/serial-comm-tp25852305p25861694.html > > _______________________________________________ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
