Acrosser AR-B8170 Manual do Utilizador descarregar pdf (Página 33)

AR-B8170 User Manual

IO Address

BA[0] + 00h

GPIO PORT0 Data Register

BA[1] + 00h

GPIO PORT1 Data Register

BA[2] + 00h

GPIO PORT2 Data Register

BA3 + 00h GPIO PORT3 Data Register

BA4 + 00h GPIO PORT4 Data Register

Direction Port

(Base Address Refers to the Register of index 6Bh-6Ah, IDSEL = AD18/SB of PCI Configuration

IO Address

BA + 00h GPIO PORT0 Data Register

BA + 01h GPIO PORT1 Data Register

BA + 02h GPIO PORT2 Data Register

BA + 03h GPIO PORT3 Data Register

BA + 04h GPIO PORT4 Data Register

BA + 06h GPIO PORT1 Interrupt Status Register

BA + 07h GPIO PORT0 Interrupt Status Register

GPIO demo program in Turbo C++ as following:

//===========================================================================

// Describe : GPIO00~GPIO07 GPIO10~GPIO17 Test utility for Vortex86DX.

// Date : 09/17/2009

// Author : Willy

//===========================================================================

// Language include files

//===========================================================================

#include <conio.h>

#include <stdio.h>

//===========================================================================

// Normal procedure

//===========================================================================

void Show_Help();

void Show_Fail();

void Show_Pass();

//===========================================================================

// Main procedure

//===========================================================================

int main(int argc)

{

char *Model_Name="AR-B8170";

unsigned char IO_PORT_BASE=0x22; // DATA_PORT = IO_PORT_BASE + 1;

unsigned char data;

int result=0;

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