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Hi John and all the other members,
yes, we got exactly this error in our teachers workshop today. We wrote a
few programs on PCs with Windows98. Therefore we used Bricxcc 3.3.7.7 and
usb towers. And we got the error you wrote about. The programs were
definitly okay because we tested them without any problem on the same PC but
with a serial tower. Also we compiled and transmitted the programs with
MacNQC and the usb tower on a Apple PowerBook.
Please tell how to set the time rates on the Windows PC so I could test it
for better results.
Thanks
Ralf
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.
>
> John Hansen
--
________________________________________________
Ralf Krause
Bertha-von-Suttner-Gesamtschule
Marie-Schlei-Strasse 6
41542 Dormagen
Germany
http://www.bvsdormagen.de
________________________________________________
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