?? common.h
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// common.h - common sys/exe definitions for Port I/O example
//=============================================================================
//
// Compuware Corporation
// NuMega Lab
// 9 Townsend West
// Nashua, NH 03060 USA
//
// Copyright (c) 1998 Compuware Corporation. All Rights Reserved.
// Unpublished - rights reserved under the Copyright laws of the
// United States.
//
//=============================================================================
#define IOCTL_PORTIO_OPENPORT \
CTL_CODE(FILE_DEVICE_UNKNOWN, 0, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_PORTIO_READPORT \
CTL_CODE(FILE_DEVICE_UNKNOWN, 1, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_PORTIO_WRITEPORT \
CTL_CODE(FILE_DEVICE_UNKNOWN, 2, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_PORTIO_CLOSEPORT \
CTL_CODE(FILE_DEVICE_UNKNOWN, 3, METHOD_BUFFERED, FILE_ANY_ACCESS)
struct PORTOPENPARAMS
{
ULONG open_Address; // port address
ULONG open_PortSize; // 1=byte 2=word 3=long
ULONG open_PortCount; // number of ports in block
};
struct PORTREADPARAMS
{
ULONG rd_Handle;
ULONG rd_Index;
};
struct PORTWRITEPARAMS
{
ULONG wr_Handle;
ULONG wr_Index;
ULONG wr_Data;
};
struct PORTCLOSEPARAMS
{
ULONG close_Handle;
};
#define BUSTYPE Isa
#define BUSNUMBER 0
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