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 15:07:56 GMT
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Viewed:
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2916 times
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In article <FsBL7s.EHF@lugnet.com>, "Theodore Morse"
<camquate@yahoo.com> wrote:
> > 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...
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
non-source distribution, then you won't have it.
Dave Baum
--
reply to: dbaum at enteract dot com
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Message has 1 Reply:
 | | Re: NQC on Linux dilema...
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| (...) OK, here it goes: (I am in root) Output_Start: Downloading program: Tx: 55 ff 00 10 ef 10 ef Rx: 55 ff 00 10 ef 10 10 ef 55 Tx: 55 ff 00 10 ef 10 ef Rx: ff 00 ef 10 ef 10 ff ae ed 00 10 ef 10 ef 55 ff 00 ef 10 ef 10 Tx: 55 ff 00 50 af 50 af (...) (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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| (...) 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 (...) (25 years ago, 1-Apr-00, to lugnet.robotics.rcx.nqc)
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