Hi! Read the following files:
tos/chips/rf2xx/README tos/chips/rf2xx/rf230/README This can be set in your Makefile by adding the line CFLAGS += -DSOFTWAREACK_TIMEOOUT=2000 By the way, it seem that the problem lies with the serial communication between the PC and the IRIS. We try to find the exact cause of this. Best, Miklos On Fri, Sep 17, 2010 at 8:42 AM, nithin k n <[email protected]> wrote: > where can i find SOFTWAREACK_TIMEOUT to increase it? > > Nithin > > On Thu, Sep 16, 2010 at 2:14 AM, Miklos Maroti <[email protected]> > wrote: >> >> Hi Stephen, >> >> I think the stack never duplicates data packets. Do you mean that if >> an ack packet does not arrive on time, then BLIP will retry, which on >> a MAC level is a new message, but on the BLIP level it is a duplcate >> UDPEcho packet? >> >> Zsolt and Krisztian, can you increase the SOFTWAREACK_TIMEOUT to 2000 >> and see if that improves the situation? (By the way, on our tests we >> saw only 1-2% duplicate packets on IRIS). >> >> Best, >> Miklos >> >> On Wed, Sep 15, 2010 at 5:37 PM, Stephen Dawson-Haggerty >> <[email protected]> wrote: >> > I believe this is an issue with the iris radio stack when using >> > software acks? I remember that its ack timeout was set to be shorter >> > than the software turnaround time on an epic platform. However, I'm >> > not an iris expert... >> > >> > Steve >> > >> > On Mon, Sep 6, 2010 at 10:16 PM, nithin k n <[email protected]> >> > wrote: >> >> >> >> hi there >> >> >> >> UDPEcho is not behaving well, for eg, while pinging the UDPEcho >> >> installed >> >> motes, the basestation gets too many DUP! packets in reply, >> >> on an average, the count of DUP! packets is more than actual ping reply >> >> packets. >> >> Reason for this? >> >> >> >> Regards, >> >> Nithin >> >> >> >> >> >> _______________________________________________ >> >> Tinyos-help mailing list >> >> [email protected] >> >> >> >> https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help >> >> >> > >> > >> > >> > -- >> > stephen dawson-haggerty >> > http://cs.berkeley.edu/~stevedh >> > uc berkeley wireless and embedded systems lab >> > berkeley, ca 94720 >> > _______________________________________________ >> > Tinyos-help mailing list >> > [email protected] >> > https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help >> > > > _______________________________________________ Tinyos-help mailing list [email protected] https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
