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 Robotics / RCX / NQC / 479
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Subject: 
Re: Can't download
Newsgroups: 
lugnet.robotics.rcx.nqc
Date: 
Wed, 23 Feb 2000 06:19:25 GMT
Viewed: 
1983 times
  
In article <FqCI3E.8xE@lugnet.com>, "Ole Kaas" <admin@tet.dk> wrote:

Hello

I've downloaded 2.1r1 src and rpm and 2.0.2 src. No matter which version
I use,
the results are the same:

# nqc -d melody.ncq
Downloading Program:

Nothing else happens. I've tried specifying the port, but the result is
the
same. I've also tried the tcl program posted elsewhere in this newsgroup
- but
it failed too. Using minicom, the led in the ir-tower lights up and I get
echo
back on all baud rates equal or below 4800.

Regards,

Ole Kaas

What operating system are you using?  Another user mentioned a problem
using NQC under IRIX, and the fix was to change the open() call in
PSerial_unix::Open()  (file platform/PSerial_unix.cpp):

from

   if ((fTerm = open(name, O_RDWR)) < 0) {

to

   if ((fTerm = open(name, O_RDWR | O_NDELAY)) < 0) {

Personally, I don't understand why open() would block unless some sort
of handshaking was being enforced.  I'm not an expert on Unix serial
port control, so if anyone has a definitive answer please let me know.

Dave Baum

--
reply to: dbaum at enteract dot com



Message is in Reply To:
  Can't download
 
Hello I've downloaded 2.1r1 src and rpm and 2.0.2 src. No matter which version I use, the results are the same: # nqc -d melody.ncq Downloading Program: Nothing else happens. I've tried specifying the port, but the result is the same. I've also (...) (25 years ago, 22-Feb-00, to lugnet.robotics.rcx.nqc)

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