Acrosser AR-B8170 User Manual

Page 32

AR-B8170 User Manual

IO Address

Register Name

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
Register)

IO Address

Register Name

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:

//===========================================================================
// Turbo C++ Version 3.0 Copyright(c) 1990, 1992 by Borland International,Inc.
//===========================================================================
// Describe : GPIO00~GPIO07 GPIO10~GPIO17 Test utility for Vortex86DX.
// Date : 09/17/2009
// Author : Willy
//===========================================================================

//===========================================================================
// Language include files
//===========================================================================
#include
#include

//===========================================================================
// 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;