Subject:
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Re: NQC on Linux dilema...
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Newsgroups:
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lugnet.robotics.rcx.nqc
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Date:
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Sat, 1 Apr 2000 04:16:40 GMT
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Viewed:
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2875 times
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> Does the program just hang, or does it eventually (several seconds
> later) give up and print an error message?
>
> Try 'verbose' mode and post the results:
>
> nqc -v -d test.nqc
>
> One possibility is that somehow the port is configured for hardware
> handshaking and that is causing the open() to block. You can check for
> this case by adding a suitable printf in PSerial_unix::Open() (in the
> file platform/PSerial_unix.cpp). Some other Unix variants (notably
> IRIX) have some trouble with this...one fix is to change
>
> if ((fTerm = open(name, O_RDWR)) < 0) {
>
> to
>
> if ((fTerm = open(name, O_RDWR | O_NDELAY)) < 0) {
>
> I'm not sure why this matters...or why almost every other system out
> there doesn't need the O_NDEALY...but its at least worth a try.
>
> Dave Baum
>
> --
> reply to: dbaum at enteract dot com
Ok, here it is: It just sits there, after sending about 5 lines of hex code to
the RCX with that -v option. it will not send any more code after that, no
matter how long you wait. I have not such thing as a PSerial_unix.cpp file does
not exist. Not sure what is wrong....
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Message has 1 Reply:
 | | Re: NQC on Linux dilema...
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| (...) Can you send me the output from nqc -v? A lot depends on exactly what is being sent and received. As for PSerial_unix.cpp, you would only have that if you were building nqc from sources. If you've downloaded a binary rpm or some other (...) (25 years ago, 1-Apr-00, to lugnet.robotics.rcx.nqc)
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Message is in Reply To:
| | Re: NQC on Linux dilema...
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| (...) Does the program just hang, or does it eventually (several seconds later) give up and print an error message? Try 'verbose' mode and post the results: nqc -v -d test.nqc One possibility is that somehow the port is configured for hardware (...) (25 years ago, 1-Apr-00, to lugnet.robotics.rcx.nqc)
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