Ibase MB966 User Manual download pdf (Page 28)

INSTALLATIONS

MB966 User’s Manual

Digital I/O Sample Configuration

Filename：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 "W627DHG.H"

//---------------------------------------------------------------------------

int main (void);

void Dio2Initial(void);

void Dio2SetOutput(unsigned char);

unsigned char Dio2GetInput(void);

void Dio2SetDirection(unsigned char);

unsigned char Dio2GetDirection(void);

void Dio3Initial(void);

void Dio3SetOutput(unsigned char);

unsigned char Dio3GetInput(void);

void Dio3SetDirection(unsigned char);

unsigned char Dio3GetDirection(void);

//---------------------------------------------------------------------------

int main (void)

{

char SIO;

SIO = Init_W627DHG();

if (SIO == 0)

{

printf("Can not detect Winbond 83627DHG, program abort.\n");

return(1);

}

Dio2Initial();

Dio3Initial();

//for GPIO30..37

Dio3SetDirection(0x0F); //GP30..33 = input, GP34..37=output

printf("Current DIO direction = 0x%X\n", Dio3GetDirection());

printf("Current DIO status = 0x%X\n", Dio3GetInput());

printf("Set DIO output to high\n");

Dio3SetOutput(0x0F);

printf("Set DIO output to low\n");

Dio3SetOutput(0x00);

return 0;

}

//---------------------------------------------------------------------------

void Dio2Initial(void)

{

unsigned char ucBuf;

//switch GPIO multi-function pin

ucBuf = Get_W627DHG_Reg(0x24);

ucBuf &= 0xFE;

Set_W627DHG_Reg(0x24, ucBuf);

Set_W627DHG_LD(0x09); //switch to logic device 9

//enable the GP2 group

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Ibase MB966 User Manual Page 28

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