On Feb 13, 2008, at 12:02 AM, Alexandros Karagiannis wrote:
Hello everyone,
Before i describe my case i'd like to express a big THANK YOU for
the help that this list provides to those people trying to deal and
experiment on WSN and Tinyos-NesC.
Moving now to the problem. I was using in Tinyos-1.x the
oscilloscope application which is a very helpful tool to visualize
data i got from Tmote Sky network. Porting now the code to T2, or
modifying and writing new code to use oscilloscope application i
realized that there is no possibility to save the stream of data
that this application visualizes. In the beginning i thought it was
something i missed, i started searching the mailing list for any
similar issue and then by googling it i came to the conclusion that
there is no evident reason for not having the save button.
After digging in the java source of the oscilloscope application (/
opt/tinyos-2.x/apps/Oscilloscope/java) it was clear that the
application actually saves the data stream by using two objects
Data,Node but it wasn't obvious how can somebody gets access to the
saved stream.
If i missed something then i apologize but could someone point me
any way to save data stream from serialForwarder in Tinyos-2.x ? My
only alternative for now is the Listen tool.
You could modify the Java code so the GUI has a save button. When you
click the button, it iterates over the Data,Node pairs and writes the
data out to a file.
Because SerialForwarder allows multiple concurrent clients, as you
point out, a parallel Listen is another simple option. It's often the
case that having the complete packet is useful; among other things,
it lets you clean the data of corrupted packets that passed CRC.
Phil
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