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/*
* example.c: ������ ��Ʈ ����� ����
*
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* ��Ʈ�� �д´�. `gcc -O2 -o example example.c'�� �������Ѵ�.
*/
#include <stdio.h>
#include <unistd.h>
#include <asm/io.h>
#define BASEPORT 0x378 /* lp1 */
int main()
{
/* Get access to the ports */
if (ioperm(BASEPORT,3,1)) {perror("ioperm");exit(1);}
/* Set the data signals (D0-7) of the port to all low (0) */
outb(0,BASEPORT);
/* Sleep for a while (100 ms) */
usleep(100000);
/* Read from the status port (BASE+1) and display the result */
printf("status: %d\n",inb(BASEPORT+1));
/* We don't need the ports anymore */
if (ioperm(BASEPORT,3,0)) {perror("ioperm");exit(1);}
exit(0);
}
/* end of example.c */