Paolo,
On Sun, 26 Jan 2003 11:53:48 +0100 Paolo Chiarabaglio wrote:
> I'm using a Bering 1.0-Stable box connected to a label printer and a sort
> of serial terminal (I've built it) to print labels in a factory.
> Everything is working, the only problem I have is with the printer.
[..]
> if I do: echo P1 > /dev/lp0
> the printer print 1 label (it is ok)
Okay, so the hardware and drivers are probably fine.
> In the software I wrote I open /dev/lp0 with fopen("/dev/lp0","w"), and it
> hang up while sending data to the printer (with fputc)
> I'm I doing something wrong?
>
> I'm developing the software using Linux Mandrake 9.0. Which is the right
> distribution to develop for LRP ??
If you're linking against glibc, you'll probably have trouble
developing on Mandrake 9.0. It uses a much newer glibc than
the 2.0.7 used by Bering. You might creating a statically
linked binary to test. If that fixes the problem, you could
develop in a slink environment using UML:
http://leaf.sourceforge.net/devel/jnilo/uml.html
The other option would be to migrate to Bering-uClibc. The
uClibc setup makes it pretty easy to cross-compile against
uClibc from modern Linux distributions.
If a static binary still doesn't work, it might be a
programming error.
Hope that gives you some ideas that lead to a solution.
Good luck, Paolo.
--Brad
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