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Post subject: LPD Problems
 Posted: Mar 03, 2008 - 04:19 PM
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New Member
Joined: Mar 03, 2008
Posts: 2
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Hi all,
I am trying to use the lpr supplied with the latest SP of QNX (6.4.3?) to print to a serial printer.
I have found a bug with lpd which is it seems to set the baud rate to a strange number (depends on what baud rate you enter in your printcap) and have confirmed with QNX support that this is indeed a bug.
The problem I have is that my project depends on this and I do not have any budget to get this bug fixed by QNX.
One solution is I could get the lpd source code and fix it myself but after several hours of trying to find the ported qnx6 lpr source code and failing, I have came here for advice / inspiration.
I have also tried setting the ported MOXA driver with a ethernet to serial terminal server. This works by mapping a psudeo terminal to the port on the terminal server. Initially this worked fine but I am now getting the following error when trying to lpr allot of files at once:
ioctl(TIOCEXCL): Resource temporarily unavailable
So it looks like I am stuck to try and get a version of lpr of which I can compile and fix the bug with printing to a serial port or get a parallel to serial convertor.
Sorry if there is way too much information here but I've been at this a good few weeks now and have still not been able to setup a serial printer correctly.
Any advice at all would be much appreciated.
David Kolosowski |
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