On Sat, Sep 27, 2008 at 8:02 PM, jiwen zhang <[EMAIL PROTECTED]> wrote: > > Hello Omprakash : > Recently , I am confronted with a problem about CTP , in my application , > it send the data to "root" periodcally , but i find it send the same data > two times every time , and the packets with the same originSeqNo in the CTP > header , and another more odd problem is that when i use mica2 , there is no > the problem , but when i use my own mote which is the same as IRIS , it will > appear the problem . Do you know what is wrong ? > > This is the data i received : > 7E 45 00 00 02 00 08 0D 00 38 00 01 00 16 00 08 00 82 04 00 02 00 0C E0 3E > 7E (The red font is the CTP packet , and the blue font is the originSeqNo > ) > 7E 45 00 00 02 00 08 0D 00 38 00 01 00 16 00 08 00 82 04 00 02 00 0C E0 3E > 7E > 7E 45 00 00 02 00 08 0D 00 38 00 01 00 16 00 08 01 82 04 00 02 00 0C 81 86 > 7E > 7E 45 00 00 02 00 08 0D 00 38 00 01 00 16 00 08 01 82 04 00 02 00 0C 81 86 > 7E > 7E 45 00 00 02 00 08 0D 00 38 00 01 00 16 00 08 02 82 04 00 02 00 0C 03 5E > 7E > 7E 45 00 00 02 00 08 0D 00 38 00 01 00 16 00 08 02 82 04 00 02 00 0C 03 5E > 7E > --
Based on the limited information you are providing, it could be that acks are not working as well as you expect them to. Can you verify using non-CTP experiments that acks are working reasonably well. - om_p _______________________________________________ Tinyos-help mailing list [email protected] https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
