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tower not responding

I created the following error by making sure that I did not have the environment variable RCXTTY set properly. When it is not set, it defaults to trying to communicate on "com1", which is not correct when you are trying to communicate with the brick over a USB port.

C:\Java\lejos\bin>lejosfirmdl -f
Use --help for options.
segment.length[0] = 13686 (14k)
segment.length[1] = 2938 (3k)
Total image size=16624 (17k)
RCXTTY undefined. Using: com1
C:\Java\lejos\bin\lejosfirmdl: tower not responding

This problem is corrected by setting the RCXTTY environment variable, as follows:

set RCXTTY=USB

In fact, I go a step further, and I've created a batch file that sets three necessary variables in one step. My batch file looks as follows, and I run it once from a command (cmd) window before starting to work with the Lejos.

set JAVA_HOME=C:\j2sdk1.4.1_01
set LEJOS_HOME=C:\Java\lejos
set RCXTTY=USB
set CLASSPATH=.


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Next: no response from crx Up: Error messages you might Previous: Error messages you might   Contents   Index