[Tinyos-help] Dropping packet with bad group ID

[徐 士翔]

hello everyone
 
i wanted to let matlab communication with tmote
 
i already set up  and change  group ID  as  7D  in  defineTOSEnvironment.m and  defineComm.m
 
when i connected  Tmote  by matlab,my num clients of SerialForwarder  is 1 change from 0
 
 
and when I enter connect('sf at localhost:9001')  in matlab  it shows me following message 
 
>> connect('sf at localhost:9001')
 
ans =
 
Thread[Thread-14,5,main]
 
Dropping packet with bad group ID:1A 01 08 93 1F FF FF FF 0A 7D AA 16 AA 8C 06 00 6F 08 72 08 72 08 6F 08 72 08 6F 08 6F 08 6F 08 6F 08 6F 08 
Dropping packet with bad group ID:1A 01 08 94 1F FF FF FF 0A 7D AA 16 AA 8C 07 00 5B 09 5B 09 5B 09 5B 09 5B 09 5A 09 5B 09 5E 09 5E 09 5B 09 
Dropping packet with bad group ID:1A 01 08 95 1F FF FF FF 0A 7D AA 16 AA 8C 08 00 F3 0A F6 0A F6 0A F7 0A F6 0A F3 0A F3 0A F7 0A F2 0A F7 0A 
 
i dont know where is problem
 
does anyone give me the suggestion?!
 

 


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