io.h help with parallel port.

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io.h help with parallel port.

Postby jkltech on Mon Oct 06, 2008 4:00 pm

I've been trying to write something for c++ that will let me control the individual pins on my computer's parallel port, and found that asm/io.h is what I need, but it isn't there!
Code: Select all
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <asm/io.h>

#define base 0x378           /* printer port base address */
#define value 255            /* numeric value to send to printer port */

main(int argc, char **argv)
   if (ioperm(base,1,1))
    fprintf(stderr, "Couldn't get the port at %x\n", base), exit(1);

   outb(value, base);

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Re: io.h help with parallel port.

Postby Husse on Mon Oct 06, 2008 4:25 pm

Something like this?
Don't fix it if it ain't broken, don't break it if you can't fix it
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