////////////////////////////////////////////////////////////////////////////////
// Example usage of the MDE 8255 lab trainer
// This program simple counts through the full range of the 8 bits on the bus
//
// Created by: Travis Sidelinger
// Date: 2005Oct20
//
////////////////////////////////////////////////////////////////////////////////
 
// Includes
#include <stdio.h>
#include <unistd.h>
#include <sys/io.h>
#include "lib8255.h"
 
int main(void)
{
    /* Variables */
    static int ret = 0;
    static char c  = 0;
 
    /* Main */
    MDEOpenLPTPort(0x378);              // Open LPT1 port
    MDEConfigPort(0x378, BaseConfig);   // Send command 80H to 8255
    while(1)
    {
        MDEOutPB(0x378, c);             // Output to port B
        usleep(20000);
        c++;
        }
 
    MDECloseDriver();                   // Close the driver
 
    /* End */
    return(ret);
    }