IBASE MB899X - Manual (Page 66)

APPENDIX
62 MB899X User’s Manual
File of the Main.cpp
//=====================================================================
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
// KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
// PURPOSE.
//=====================================================================
#include <dos.h>
#include <conio.h>
#include <stdio.h>
#include <stdlib.h>
#include "W627HF.H"
//---------------------------------------------------------------------------
void ClrKbBuf(void);
int main (void);
unsigned char GetDI(unsigned char);
void SetDo(unsigned char, unsigned char);
//---------------------------------------------------------------------------
int main (void)
{
unsigned
char ucDO = 0; //data for digital output
unsigned char ucDI; //data for digital input
unsigned char ucBuf;
char SIO;
SIO = Init_W627HF();
if (SIO == 0)
{
printf("Can not detect Winbond 83627HF/83627THF/83627EHF, program abort.\n");
return(1);
}
switch
(SIO)
{ //-------------------------------------------------------------------
case 1:
printf("Winbond 83627HF is detected .\n");
break;
//-------------------------------------------------------------------
case
2:
printf("Winbond 83627THF is detected.\n");
break;
//-------------------------------------------------------------------
case
4:
printf("Winbond 83627EHF is detected.\n");
break;
//-------------------------------------------------------------------
}
//bit 0..3 = input signal
//bit 4..7 = output signal
ucDI
= GetDI(0x0F); //get current DI status
SetDo(ucDO, 0xF0); //set current DO status
return 0;
}
//---------------------------------------------------------------------------
unsigned char GetDI(unsigned char Mask)
{
unsigned char result;
Set_W627HF_LD(0x07); //switch
to logic device 7
Set_W627HF_Reg(0xF0, Mask); //set the DIO direction
result = Get_W627HF_Reg(0xF1) & Mask;