/*
 Program     : XF_BIO.C
	       96/06/24      By Albert Chang.
 Description : This program sends a value to C25 processor board and receives
	       from C25. XF and BIO are used as the handshake signals. When
	       PC sends a value, BIO is clear. After C25 has received, XF is
	       set.

	      |------|	 BIO	|------|
	      |      |--------->|      |
	      |  PC  |	 XF	| C25  |
	      |      |<---------|      |
	      |------|		|------|

 Note	     : 1. This file is compiled under Turbo C 2.0 and will also work
		  under Turbo C++ 3.0
	       2. To run the handshake file,user can type as following:

		    C:\DSPC25> load -la -r1000 xf_bio.out
		    C:\DSPC25> xf_bio.exe
								      */

#include <stdio.h>
#include <conio.h>
#include "..\..\..\include\dsp25.h"

main()
{
 unsigned int val_i,val_o=0;

 SelectBoard(1);
  do {
    WrData(val_o);
    ClearBIO();
    while(Is_XF()==NO);
    SetBIO();
    val_i = RdData();
    printf("%04x\t",val_i);
    val_o++;
  } while(kbhit()==0);
  getch();
}