I am currently new to parport/EPP programming and need some startup-help.
I need to access the PC's parport in EPP mode. It's going to be a "static"
solution, so no drivers etc are needed, just plain access to the port.
Currently I am trying something like
int mode = IEEE1284_MODE_EPP;
if( (fd_par = open("/dev/parport0",O_RDWR)) == -1 ) error(...)
and then simple access using read(fd_par,...) and write(fd_per,...). However,
so far the program stopps at the EPP negotiation with an I/O error. I
activated EPP in the BIOS, but when looking at /proc/sys/dev/parport0, it say
that no IRQ or DMA channels are assigned and that EPP is not possible.
Maybe someone could pinpoint me to some example code or documentation ?
Thank you very much in advance,
-- Sven Heithecker firstname.lastname@example.org Pestalozzistr 6 Fax 0531-3489815 38114 Braunschweig Tel 0531-336580
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