Tripurari,
I've tried running the outstream example with leJOS 3.0 on Linux, and it
worked for me.
These were the steps I performed:
1. switch to examples/comms/outstream
2. lejosjc Write.java
3. lejoslink -o Write.bin Write
4. lejosdl Write.bin
5. export CLASSPATH=.:$CLASSPATH:$LEJOS_HOME/lib/pcrcxcomm.jar
6. javac Read.java
7. export THIRDPARTY_LIBS="$LEJOS_HOME/3rdparty/lib"
8. java -Djava.library.path=$LEJOS_HOME/bin -classpath
.:$THIRDPARTY_LIBS/commons-cli-1.0.jar:$LEJOS_HOME/lib/jtools.jar:$LEJOS_HOME/lib/pcrcxcomm.jar
Will try it Windows XP also.
Cheers,
Matthias
Matthias Paul Scholz wrote:
Tripurari Volpe wrote:
Well, I finally got the sample outstream stuff to compile and run
(sorta)... but now I have a new problem.
I compile and run the sample program
samples/comms/outstream/Read.java, and run it on my PC. It works, up
to a point. Specifically, when it tries to create a new RCXPort, it
runs into a TowerException informing me of a "write failure"...
[...]
I apologize for bothering this list so much, but I have a project that
I need to finish very soon, and this link between the PC and the RCX
is the last hurdle, that has proven to be an incredibly frustrating
difficulty... All I want to do is pass some data from the RCX to the
PC, for gosh sakes! :-)
Well, this is most decidedly a justified request.
I'll have a look into that matter (squares with my efforts in getting a
release candidate out for leJOS 3.0 in the next couple of weeks).
P.S: Incidentally, I notice that there's a second constructor for
RCXPort, taking a string argument "port"... The API documentation says
nothing - what exactly does this constructor do? Might it be helpful
to me right now?
Wasn't the author of the comm layer, but as far as I can see from the
RCX(Abstract)Port's class source code, the port argument is simply ..
ignored.
Hence I don't know what's the use of this constructor at all (was maybe
some compatibility issue).
P.P.S: I gave the lower-level Tower class a try, and that actually
worked, though a bit awkardly. I think I could manage to put together
what I need with just this, but if Tower works, why doesn't RCXPort...?
As a matter of fact, I'd like to know also. Let's see.
Cheers,
/M
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