This issue was discussed last week sometime: http://mail.millennium.berkeley.edu/pipermail/tinyos-help/2007-August/027529.html http://mail.millennium.berkeley.edu/pipermail/tinyos-help/2007-August/027528.html
The basic conclusion was that LPL hasn't been formally integrated with the Collection or Dissemination protocols yet, so problems using them together may still exist. Kevin On 8/31/07, Hristo Bojkov <[EMAIL PROTECTED]> wrote: > Hello nesC coders, > I am testing collection of data with Lpl. > The application is looking like Easycollection from the tutorial. I am > collecting using timer every 20 secs. I've just added few things for Lpl: > 1. CFLAGS += -DLOW_POWER_LISTENING in makefile > 2. LowPowerListening wired > 3. LowPowerListening.setLocalSleepInterval(20000); in receiving for > initialization > 4. LowPowerListening.setRxSleepInterval(&msgpacket, 20000) in sending just > before send > > The topology is: > [node1] ---[node2]---[node3] > The nodes are at such distance that there is no direct communication between > node1 and node3. > Everything works fine, and I have no packet lost. Node2 snoops packets from > 3 for me. > Then for no reason I've decided and swap the position of nodes 2 and 3, > without reset. Just to see how they will recalibrate the routes: > [node1] ---[node3]---[node2] > So node1 and node2 to have no direct communication. The interesting thing > and the problem for me was that after 10 minutes there was no communication > and I was not receiving the packets node2. After reset of the node3 the > network get back to normal again, and I was receiving all packets. > > My questions are: > 1. Do I need to write a component to normalize the routes? Or it should be > done by any ready component from the collection component? > 2. Where is the problem? In the root of the collection, or in the producers? > > > If someone is working over Lpl and Collection/Dissemination and can give me > advice will have one on me. > > Hristo Bojkov > > Platform: WinXp/Cygwin > TinyOS: 2.0.2 > Devices: Tmote > _______________________________________________ > Tinyos-help mailing list > Tinyos-help@Millennium.Berkeley.EDU > https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help > -- ~Kevin _______________________________________________ Tinyos-help mailing list Tinyos-help@Millennium.Berkeley.EDU https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
