Hi Islam, Just go to the following link, copy the code (Rev 1.17), paste into your corresponding file;
http://tinyos.cvs.sourceforge.net/viewvc/tinyos/tinyos-2.x/tos/lib/net/4bitle/LinkEstimatorP.nc?revision=1.17&view=markup It is just a file, u don't need to update via CVS. Regards, On Mon, Mar 8, 2010 at 9:57 PM, Islam Hegazy <[email protected]> wrote: > Yes, I checked my version number. It is v1.16 but dated 2009/03/13. > v1.16 on sourceforge has the date 2010/02/04. I tried to update my files > but I got the following error: > > " > cvs update: move away tos/lib/tosboot/tinynode/hardware.h; it is in the way > C tos/lib/tosboot/tinynode/hardware.h > Error, CVS operation failed > Tortoise Tip: CVS tried to create a new file and discovered that the file > already existed. There can be > several causes for this: > 1) You have created the file locally, and someone else added a file of the > same name to CVS. > 2) Your sandbox has become corrupted (possibly due to interference from > antivirus programs). > To solve the problem: Rename or delete the affected files, then perform a > CVS Update. > " > I didn't change/modify/create any new files in the directory of TinyOS2.x > I tried to rename the the file where the update stopped but with no use. > > I am using TortoiseCVS on WindowsXP. > > Regards > Islam Hegazy > > > *From:* Mehmet Akif Antepli <[email protected]> > *Sent:* Saturday, March 06, 2010 4:44 AM > *To:* Islam Hegazy <[email protected]> > *Cc:* TinyOS help <[email protected]> > *Subject:* Re: [Tinyos-help] unsatisfied statements in 4bit link estimator > > I think you r not using the latest version of LinkEstimatorP.nc > > You can find Rev.1.17 (latest version) in the following link: > > > http://tinyos.cvs.sourceforge.net/viewvc/tinyos/tinyos-2.x/tos/lib/net/4bitle/ > > <http://tinyos.cvs.sourceforge.net/viewvc/tinyos/tinyos-2.x/tos/lib/net/4bitle/> > Regards, > > 2010/3/6 Islam Hegazy <[email protected]> > >> Hi >> >> I was tracing the code of 4bit link estimator in LinkEstimatorP.nc when I >> came to the following 2 statements which can'tbe satisfied. >> >> In the function updateNeighborEntryIdx the following if statement calls >> the function updateNeighborTableEst >> >> if (NeighborTable[idx].rcvcnt >= BLQ_PKT_WINDOW) >> >> { >> >> updateNeighborTableEst(NeighborTable[idx].ll_addr); >> >> } >> >> Inside the updateNeighborTableEst function we have the statements >> >> minPkt = BLQ_PKT_WINDOW; >> >> totalPkt = ne->rcvcnt + ne->failcnt; >> >> then we have the condition >> >> if (totalPkt < minPkt) >> >> { >> >> totalPkt = minPkt; //statement 1 >> >> } >> >> which will never be satisfied because, at least, rcvcnt = BLQ_PKT_WINDOW >> (from the if in updateNeighborEntryIdx) . So, always total >= BLQ_PKT_WINDOW >> 'minPkt' >> >> >> >> The second statement is right after statement 1 in updateNeighborTableEst >> >> if (totalPkt == 0) >> >> { >> >> ne->inquality = (ALPHA * ne->inquality) / 10; //statement 2 >> >> } >> >> This statement is never satisfied because statement 1 always set totalPkt >> > 0. Another main reason for not satisfying this statment, >> updateNeighborTableEst will never be called if rcvcnt < BLQ_PKT_WINDOW which >> means totalPkt > 0 (remember totalPkt = ne->rcvcnt + ne->failcnt). >> >> I searched the code for other calls to updateNeighborTableEst but I >> didn't find any. I'd appreciate it if someone can highlight the importance >> of these 2 statements. >> >> Regards >> >> Islam Hegazy >> >> _______________________________________________ >> Tinyos-help mailing list >> [email protected] >> https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help >> > > > > -- > Mehmet Akif Antepli > Telecommunications Lab. D-217 > Dept. of EEE > Middle East Technical University > -- Mehmet Akif Antepli Telecommunications Lab. D-217 Dept. of EEE Middle East Technical University
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