[Tinyos-help] The message format for TraceRouteTestAODV application

Tue Jun 2 01:09:46 PDT 2009

Thank you for the information
I have identified too that the header have a size of 5 bytes.I m  
working with micaz motes in tinyOS1.x.
thanks
Michael Schippling <schip at santafe.edu> a écrit :

> One needs to know the platform and TOS version to make a full
> determination because the structures differ in various fun ways.
> However the first line of data appears to be standard T1 serial
> format with 5 bytes of header, matching to tos/system/types/AM.h,
> and 11 bytes of payload, which should match to whatever message
> struct is assigned the 0x0D type. I don't know what the second
> line, or subsequent lines that don't start with FF FF, represent.
> Though the 02 00 and 00 00 lines seems to have the same message
> format with different addresses and payload sizes.
>
> My general decoding algorithm is to find the sync mark, which Listen
> removes and uses to trigger a newline. Then determine the header type
> and match the various fields byte by byte, in low-byte-first order for
> larger ints. Unless of course someone has used the nx types, for which
> it's high byte first, but not in the headers... Easy, no?
>
> MS
>
> Ahlam.Bencheikh at loria.fr wrote:
>> Hello
>> I m working with the protocol AODV(implemented in /contrib/hsn).
>> I have 4 motes:
>> one SINK with in ID=0 , one Base Station with ID=1 and the 2 others  
>>  have successively ID=2 and ID=4.
>> I have executed Listen to show the packets that are coming from  
>> motes  (ID=2;ID=4) to Sink_Node.So i have obtained this result:
>> FF FF 0D 7D 0B 02 00 00 02 01 00 01 00 00 00 00
>> 02 00 0E 7D 07 00 00 00 02 00 00 00
>> FF FF 0D 7D 0B 04 00 00 02 01 00 01 00 00 00 01
>> 00 00 09 7D 1D 02 01 02 00 03 15 00 19 00 00 00 00 00 00 00 00 00  
>> 00  00 00 00 00 00 00 00 00 00 00 00
>> FF FF 0D 7D 0B 04 01 00 04 01 00 01 00 00 00 00
>> 04 00 0E 7D 07 00 01 00 04 00 00 00
>> FF FF 0D 7D 0B 02 02 00 04 01 00 01 00 00 00 01
>> 00 00 09 7D 1D 04 02 04 00 03 15 00 19 00 00 00 00 00 00 00 00 00  
>> 00  00 00 00 00 00 00 00 00 00 00 00
>> 00 00 09 7D 1D 02 03 02 00 03 15 01 19 00 00 00 00 00 00 00 00 00  
>> 00  00 00 00 00 00 00 00 00 00 00 00
>> 00 00 09 7D 1D 04 03 04 00 03 15 01 19 00 00 00 00 00 00 00 00 00  
>> 00  00 00 00 00 00 00 00 00 00 00 00
>> 00 00 09 7D 1D 02 04 02 00 03 15 02 19 00 00 00 00 00 00 00 00 00  
>> 00  00 00 00 00 00 00 00 00 00 00 00
>> 00 00 09 7D 1D 04 04 04 00 03 15 02 19 00 00 00 00 00 00 00 00 00  
>> 00  00 00 00 00 00 00 00 00 00 00 00
>> 00 00 09 7D 1D 02 05 02 00 03 15 03 19 00 00 00 00 00 00 00 00 00  
>> 00  00 00 00 00 00 00 00 00 00 00 00
>> 00 00 09 7D 1D 04 05 04 00 03 15 03 19 00 00 00 00 00 00 00 00 00  
>> 00  00 00 00 00 00 00 00 00 00 00 00
>> 00 00 09 7D 1D 02 06 02 00 03 15 04 19 00 00 00 00 00 00 00 00 00  
>> 00  00 00 00 00 00 00 00 00 00 00 00
>> 00 00 09 7D 1D 04 06 04 00 03 15 04 19 00 00 00 00 00 00 00 00 00  
>> 00  00 00 00 00 00 00 00 00 00 00 00
>> 00 00 09 7D 1D 02 07 02 00 03 15 05 19 00 00 00 00 00 00 00 00 00  
>> 00  00 00 00 00 00 00 00 00 00 00 00
>> 00 00 09 7D 1D 04 07 04 00 03 15 05 19 00 00 00 00 00 00 00 00 00  
>> 00  00 00 00 00 00 00 00 00 00 00 00
>> 00 00 09 7D 1D 02 08 02 00 03 15 06 19 00 00 00 00 00 00 00 00 00  
>> 00  00 00 00 00 00 00 00 00 00 00 00
>> 00 00 09 7D 1D 04 08 04 00 03 15 06 19 00 00 00 00 00 00 00 00 00  
>> 00  00 00 00 00 00 00 00 00 00 00 00
>> 00 00 09 7D 1D 02 09 02 00 03 15 07 19 00 00 00 00 00 00 00 00 00  
>> 00  00 00 00 00 00 00 00 00 00 00 00
>> 00 00 09 7D 1D 04 09 04 00 03 15 07 19 00 00 00 00 00 00 00 00 00  
>> 00  00 00 00 00 00 00 00 00 00 00 00
>>
>> I have identified the header of these messages ; but my problem is  
>> how  can I identify the payload??
>> I m trying to understand the different programs implemented in   
>> /contrib/hsn/tos to pick out the payload shown in this case.
>> I need our help.
>> Thanks
>>
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