Many thanks Michael, I searched your posts and is the link below correct? Because I haven't been able to open it.
http://www.etantdonnes.com/Motes/schipTOS.zip Best, Peng On 17 July 2010 23:14, Michael Schippling <[email protected]> wrote: > I implemented a no-ACK retry mechanism with message sequence > numbers. It seems to sorta work. I just a minute ago posted > pretty much all my code, so look in my last most recent help > message for a link. That link doesn't contain the PC side > retry, but it's fairly "trivial". The Robot/RoboMsgM.nc file > has the TOS side of things. I had to modify TOSBase to pass > send acks back to the PC to get enough information to make > it work. > > It would probably be easier for you to reinvent the wheel, > than to try to understand what I did...but there it is... > > MS > > > Peng Du wrote: > >> Hi everyone. >> >> My BaseStation periodically sends some info to 3 motes. It then waits for >> ACKs to carry on further operations. The problem is how I can ensure that >> the initial info and ACKs are not lost due to collision or whatever problem >> there could be - Sometimes the motes do get the info so they make no >> response; while some other time the ACKs never reach the BaseStation so the >> whole system just hangs there and won't progress. >> >> Thanks very much. >> >> Peng >> >> >> ------------------------------------------------------------------------ >> >> _______________________________________________ >> Tinyos-help mailing list >> [email protected] >> https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help >> >
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