I'm a newbie in this mailling list and I need some help with this problem:
I'm developing a program in Java to control a parallel printer, sending
directly to the printer it's escape sequences docummented by the printer
In Windows I had a sys file provided by the printer manufacturer and using
CreateFile, ReadFile and WriteFile, I sent commands to the printer without
problems. Now, I need to do the same in Linux. Reading in Internet, I found
that it's possible to use directly the lp device and, from Java, using
FileInputStream and FileOutputStrem objets, open, read and write the file
/dev/lp0. But it doesn't work. I be able to write but trying to read, I
receive exceptions. The question is:
How can I use the parallel port as a bidirectional port? Do I need to make
something special to use the standard parallel port driver in linux? Do I
need to write some c code to access to the port and then make a JNI access
from Java to this c code? any idea?
Thanks to all.
(sorry if my english is not good as I want, it's not my first lenguage).
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