/*
 * example3.c: display all the "printable" characters on an LED display
 *
 */

#include <stdio.h>
#include <unistd.h>
#include <sys/io.h>

#define BASEPORT 0x2a2 /* PLC-730 card LED Output */

int main()
{
  int x;
 
 /* Define the "printable" Characters */
 unsigned char y[] = {0x77,0x7c,0x39,0x5e,0x79,0x71,0x76,0x06,0x1e,0x38,0x3f,0x73,0x6d,0x3e};
  /* Get access to the ports */
  if (ioperm(BASEPORT, 3, 1)) {perror("ioperm"); exit(1);}
  
  for(x=0;x<140;x++)
  {
     /* Send out one character at a time */
     outb(y[x%14], BASEPORT+1);
  
     /* Sleep for a while (1 sec) */
     usleep(1000000);

	 /* Blink the LED (turn it off for 2 ms) */
     outb(0, BASEPORT+1);

     usleep(2000);

    
  }

  /* Free the ports - We don't need the ports anymore */
  if (ioperm(BASEPORT, 3, 0)) {perror("ioperm"); exit(1);}

  exit(0);
}