Hi It looks like this problem happens very often. When we tried other nodes, the same result repeats. I am really curious about whether any people also observe this phenomenon when trying bi-directional data stream.
On Tue, Aug 25, 2009 at 3:39 PM, Raffaele Gravina < [email protected]> wrote: > Hi, > did you tried with another basestation node? I use tmoke sky/telosb nodes > and sometimes the usb connectors start to don't work happily anymore! > > - Raffaele > > 2009/8/25 Xiaogang Yang <[email protected]> > >> Hello, everybody: >> I encounter a problem in my recent research as follows: >> I cannot send message from pc to mote reliably, so I turn on the DEBUG of >> Packetizer.java >> Then I found when PC send msg to mote through serialport, ack timeout >> happen frequently. >> I doubt whether my application has problem, so I change to Octopus which >> could send msg to mote, >> and I found success of sending msg has low probability. So I doubt >> whether there is some tricky thing between support/sdk/java/tinyos.jar >> and serial port. >> >> Does anyone has such kind of experiences? downstream of data cannot >> transmitted reliably at all, most time even just fail, but when I restart >> the mote, >> at the beginning, the probability of success is high, then lower. >> >> Thanks >> >> -- >> Xiaogang Yang >> Sensorweb Research Laboratory >> http://sensorweb.vancouver.wsu.edu/ >> Washington State University Vancouver >> >> _______________________________________________ >> 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 > -- Renjie Huang Sensorweb Research Laboratory http://sensorweb.vancouver.wsu.edu/ Washington State University
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