Kiraneet,
As stated before, tinyos-1.x hasn't been in development for a few years,
so it's unlikely that many people on the list are going to be able to
give you much support. Please include at least the important code
segments that you modified/created, otherwise, I can only guess in the
dark about the problem.
If TOSSIM is segfaulting, then it's very likely that you have some
memory corruption issues. (unless there were some issues in TOSSIM for 1.x)
-Paul
Kiraneet sharma wrote:
Hello everyone...
I had asked this query earlier but since I got no reply yet..I am
trying to explain the problem in detail.If someone could help me I
would be really grateful.
I am trying to simulate data aggregation in tinyos-1.x
I have 6 nodes:
1 and 2 send their data to their leader i.e. node 3..similarly 4 and 5
send data to node 6..
after about collecting three readings nodes 3 and 6 calculate the
average and send the aggregated data to base station i.e. node 0.
This thing is done entirely in simulation and works well for ONE time
only.
After that nodes 3 and 6 continue to correctly calculate the average
and send data to base station,however it is never received.
The thing is that when I am trying to implement the same logic without
any average calculation then it works fine.
To implement this entire logic I have added a few statements in
receive and send in AMStandard.
So is it possible that multiple sends are done consecutively and so
packet collision occurs, causing the packets to be dropped and not
being received by base station?
At times the program terminates with a segmentation fault ?
Any pointers where should I do this averaging thing ? Where does the
problem lie?
Thanks a lot in advance..
Hope to hear from you..
Best regards,
Kiraneet
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