On the issue of not filtering by moteID... T1 GenericComm on micas does, and your mod of send is correct. However I've heard tales of that not happening on this list, but I don't remember what combination of modules and platforms were at issue. You could try a search and see if anything turns up. MS
Urs Hunkeler wrote: > Hi, > > Think of AM_INTMSG as something like a port number. It does not identify > a mote. TOS_BCAST_ADDR is a broadcast address. All nodes that physically > receive the message will forward it to the application layer. You can > find more information in this paper: http://www.tinyos.net/papers/ammote.pdf > > Cheers, > Urs > > > Chen Bleed schrieb: >> >> Hello, all >> >> Now I am studying for Lesson 4 of TinyOS 1.x tutorial.I have two tmote >> sky(s) and I also have a problem. >> >> The file IntToRfm.nc has the line "IntToRfmM.Send -> >> Comm.SendMsg[AM_INTMSG];"I consult IntMsg.h and find out the value of >> AM_INTMSG is 4(by default, you can change). >> >> The id of One of my tmote is 3. I upload CntToLedsAndRfm program.The other >> tmote whose id is 4. I upload RfmToLeds program.It works fine. >> >> When I change the code in IntToRfmM.nc/* code - start */if (call >> Send.send(TOS_BCAST_ADDR, sizeof(IntMsg), &data)) return SUCCESS;/* code - >> end */ >> >> to code/* code - start */if (call Send.send(0x000a, sizeof(IntMsg), &data)) >> return SUCCESS;/* code - end */ >> >> I want to transmit message to mote 10 but mote 4 still receives messages.(I >> know TOS_BCAST_ADDR is 0xffff).Then I run CntToLedsAndRfm on TinyViz and >> create 30 motes.I see all motes has shot radio purple line to mote 10(use >> radio plugin).I am confused!!! >> >> So, I cannot change this result(mote 4 receives messages) even if I modify >> the destination address??Indeed, I dont know the relation between AM_INTMSG >> and TOS_BCAST_ADDR.Does anyone explain it?? >> thx all, and sorry for my bad English.Chen, Chien Mao > _______________________________________________ > Tinyos-help mailing list > [email protected] > https://mail.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help _______________________________________________ Tinyos-help mailing list [email protected] https://mail.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
