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In lugnet.robotics, John Hansen wrote:
> I have heard from a user of BricxCC who has been experiencing the
>
> "compile failed: no (or bad) reply from RCX"
>
> (or words to that effect) error message when trying to download pretty much any
> NQC program either using BricxCC or using NQC directly from the command prompt.
> I believe all the users who have emailed or posted about this problem are using
> the USB tower. I could never replicate the problem on my development PC so it I
> had not yet managed to figure out the exact cause of the problem.
>
> But the email I just got said that this user was able to fix the problem by
> adjusting the timeout values of the USB Tower using the LEGO USB Tower control
> panel applet. He wrote:
>
> Write timeout from 200 to 400 msec
> Read timeout from 200 to 400 msec
> Read timeout (intercharacter) from 100 to 200 msec
> ....... and everything now works!
>
> If you have had problems downloading NQC programs using BricxCC with the USB
> tower you may want to try adjusting these three timeout values. Depending on
> your PC you may need to use different values than the ones which worked for the
> user who figured out this issue for me.
See that is what makes Lugnet such a great resource! I finally decided to try
out Bricxcc/NQC (after using BrickOS on Linux) and it worked fine when I was
just downloading short "Hello World" programs, but I pretty soon ran into this
problem and wondered what I'd changed. Typed "reply from rcx" into Lugnet
search, and Voila! This post comes up at the top, and fixes my problem!
Thanks all!
ROSCO
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