IBASE MB968 - Manual (Page 25)

INSTALLATIONS
25
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
#include
#include
#include
#include "F81865.H"
#define BIT0 0x01
#define BIT1 0x02
#define BIT2 0x04
#define BIT3 0x08
#define BIT4 0x10
#define BIT5 0x20
#define BIT6 0x40
#define BIT7 0x80
//---------------------------------------------------------------------------
int main (void);
void Dio5Initial(void);
void Dio5SetOutput(unsigned char);
unsigned char Dio5GetInput(void);
void Dio5SetDirection(unsigned char);
unsigned char Dio5GetDirection(void);
//---------------------------------------------------------------------------
int main (void)
{
char SIO;
unsigned char DIO;
printf("Fintek 81865/81866 digital I/O test program\n");
SIO = Init_F81865();
if (SIO == 0)
{
printf("Can not detect Fintek 81865/81866, program abort.\n");
return(1);
}//if (SIO == 0)
Dio5Initial();
/*
//for GPIO50..57
Dio5SetDirection(0xF0); //GP50..53 = input, GP54..57=output
printf("Current DIO direction = 0x%X\n", Dio5GetDirection());
printf("Current DIO status = 0x%X\n", Dio5GetInput());
printf("Set DIO output to high\n");
Dio5SetOutput(0x0F);
printf("Set DIO output to low\n");
Dio5SetOutput(0x00);
*/
//for GPIO50..57
Dio5SetDirection(0xF0); //GP50..53 = input, GP54..57=output
Dio5SetOutput(0x00); //clear
// DIO = Dio5GetInput() & 0x0F;