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441 lines
9.9 KiB
441 lines
9.9 KiB
/*++
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Copyright (c) Microsoft Corporation. All rights reserved.
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Module Name:
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gameport.h
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Abstract:
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This module contains the common public declarations for the game port
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enumerator.
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@@BEGIN_DDKSPLIT
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Author:
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Kenneth Ray
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@@END_DDKSPLIT
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Environment:
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kernel mode only
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Notes:
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Revision History:
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--*/
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#ifndef __GAMEPORT_H
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#define __GAMEPORT_H
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#define FILE_DEVICE_GAMEENUM FILE_DEVICE_BUS_EXTENDER
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// ***************************************************************************
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// IOCTL interface to the bus (fdo)
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//
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// Clients use this to tell the enumerator what gaming devices on legacy ports
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// exist. (like for instance a control panel)
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// ***************************************************************************
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//
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// Define an Interface Guid to access the game port enumerator
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//
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#undef FAR
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#define FAR
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#undef PHYSICAL_ADDRESS
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#define PHYSICAL_ADDRESS LARGE_INTEGER
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DEFINE_GUID (GUID_GAMEENUM_BUS_ENUMERATOR, 0xcae56030, 0x684a, 0x11d0, 0xd6, 0xf6, 0x00, 0xa0, 0xc9, 0x0f, 0x57, 0xda);
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// cae56030-684a-11d0-b6f6-00a0c90f57da
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#define GAMEENUM_IOCTL(_index_) \
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CTL_CODE (FILE_DEVICE_GAMEENUM, _index_, METHOD_BUFFERED, FILE_ANY_ACCESS)
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#define GAMEENUM_INTERNAL_IOCTL(_index_) \
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CTL_CODE (FILE_DEVICE_GAMEENUM, _index_, METHOD_NEITHER, FILE_ANY_ACCESS)
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#define IOCTL_GAMEENUM_EXPOSE_HARDWARE GAMEENUM_IOCTL (0x0)
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#define IOCTL_GAMEENUM_REMOVE_HARDWARE GAMEENUM_IOCTL (0x1)
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#define IOCTL_GAMEENUM_PORT_DESC GAMEENUM_IOCTL (0x2)
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//
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// Private data storage area for OEM devices. Values preserved if supplied to
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// IOCTL_GAMEENUM_EXPOSE_HARDWARE and GAMEENUM_INTERNAL_IOCTL_EXPOSE_SIBLING,
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// and set to zero otherwise on initial mini-driver invocation (DriverEntry).
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//
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#define SIZE_GAMEENUM_OEM_DATA 8
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typedef ULONG GAMEENUM_OEM_DATA[SIZE_GAMEENUM_OEM_DATA];
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#if _MSC_VER >= 1200
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#pragma warning(push)
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#endif
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#pragma warning(disable:4200)
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typedef struct _GAMEENUM_EXPOSE_HARDWARE
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{
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//
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// sizeof (struct _GAMEENUM_HARDWARE)
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//
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IN ULONG Size;
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//
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// The handle of the port found in the port desc
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//
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IN PVOID PortHandle;
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//
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// A handle to the exposed PDO
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//
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OUT PVOID HardwareHandle;
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//
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// For legacy joysticks only
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//
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IN USHORT NumberJoysticks;
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//
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// legacy joysticks only (joysticks * axis <= 4).
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//
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IN USHORT NumberAxis;
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//
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// Unique ID
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//
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IN USHORT UnitID;
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//
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// Number of buttons present on the device
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//
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IN USHORT NumberButtons;
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//
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// Bit flags controlling the behavior of the device
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//
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USHORT Flags;
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//
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// Reserved for future use
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//
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USHORT Reserved[5];
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//
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// Specific OEM Data
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//
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IN GAMEENUM_OEM_DATA OemData;
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//
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// An array of (zero terminated wide character strings). The array itself
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// also null terminated (ie, MULTI_SZ)
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//
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IN WCHAR HardwareIDs[];
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} GAMEENUM_EXPOSE_HARDWARE, *PGAMEENUM_EXPOSE_HARDWARE;
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//
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// Bit values defined for the Flags field
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// GAMEENUM_FLAG_NOCOMPATID the default compatibility hardware ID should
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// not be exposed for this device.
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// GAMEENUM_FLAG_COMPATIDCTRL if this is zero GAMEENUM_FLAG_NOCOMPATID is
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// ignored
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// GAMEENUM_FLAG_RESERVED reserved bits, should be set to zero
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//
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#define GAMEENUM_FLAG_NOCOMPATID 0x0001
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#define GAMEENUM_FLAG_COMPATIDCTRL 0x0002
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#define GAMEENUM_FLAG_RESERVED 0xFFFC
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#if _MSC_VER >= 1200
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#pragma warning(pop)
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#endif
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typedef struct _GAMEENUM_REMOVE_HARDWARE
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{
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//
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// sizeof (struct _REMOVE_HARDWARE)
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//
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IN ULONG Size;
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//
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// Same value as HardwareHandle in GAMEENUM_EXPOSE_HARDWARE
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//
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IN PVOID HardwareHandle;
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} GAMEENUM_REMOVE_HARDWARE, *PGAMEENUM_REMOVE_HARDWARE;
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typedef struct _GAMEENUM_PORT_DESC
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{
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IN ULONG Size; // sizeof (struct _PORT_DESC)
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OUT PVOID PortHandle;
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OUT PHYSICAL_ADDRESS PortAddress;
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ULONG Reserved [5];
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} GAMEENUM_PORT_DESC, *PGAMEENUM_PORT_DESC;
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// **************************************************************************
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// Internal IOCTL interface for (pdo)
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// The HID to legacy game port minidriver uses this interface to
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// find the address of the device.
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// **************************************************************************
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#define IOCTL_GAMEENUM_PORT_PARAMETERS GAMEENUM_INTERNAL_IOCTL (0x100)
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#define IOCTL_GAMEENUM_EXPOSE_SIBLING GAMEENUM_INTERNAL_IOCTL (0x101)
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#define IOCTL_GAMEENUM_REMOVE_SELF GAMEENUM_INTERNAL_IOCTL (0x102)
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#define IOCTL_GAMEENUM_ACQUIRE_ACCESSORS GAMEENUM_INTERNAL_IOCTL (0x103)
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// Of which IO_STACK_LOCATION->Parameters.Others.Argument1 is set to
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// a pointer to struct _GAMEENUM_GAME_PARAMETERS
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typedef
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UCHAR
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(*PGAMEENUM_READPORT) (
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PVOID GameContext
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);
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typedef
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VOID
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(*PGAMEENUM_WRITEPORT) (
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PVOID GameContext,
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UCHAR Value
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);
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#define GAMEENUM_BUTTON_1 0x01
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#define GAMEENUM_BUTTON_2 0x02
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#define GAMEENUM_BUTTON_3 0x04
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#define GAMEENUM_BUTTON_4 0x08
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#define GAMEENUM_AXIS_X 0x10
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#define GAMEENUM_AXIS_Y 0x20
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#define GAMEENUM_AXIS_R 0x40
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#define GAMEENUM_AXIS_Z 0x80
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#ifndef NTSTATUS
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typedef LONG NTSTATUS;
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#endif
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typedef
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NTSTATUS
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(*PGAMEENUM_READPORT_DIGITAL) (
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IN PVOID Context,
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IN UCHAR ButtonAxisMask,
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IN BOOLEAN Approximate,
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IN OUT ULONG AxisState[4],
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OUT UCHAR ButtonState[4]
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);
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/*++
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Routine Description.
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Will read from the gameport digitally.
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Arguments:
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Context - value passed in GAME_PORT_PARAMETERS.GameContext
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ButtonAxisMask - Mask indicating which axis and buttons are expected to
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have valid data
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Approximate - OK to approximate (if polling times out, etc)
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AxisState - IN = Last valid axis state
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OUT = Current Axis state
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Index Maps to Axis
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0 X
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1 Y
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2 R
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3 Z
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ButtonState - OUT = Current button state.
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--*/
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typedef
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NTSTATUS
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(*PGAMEENUM_ACQUIRE_PORT) (
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PVOID GameContext
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);
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typedef
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VOID
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(*PGAMEENUM_RELEASE_PORT) (
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PVOID GameContext
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);
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typedef enum _GAMEENUM_PORTION
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{
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GameenumFirstHalf,
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GameenumSecondHalf,
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GameenumWhole
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} GAMEENUM_PORTION;
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typedef struct _GAMEENUM_PORT_PARAMETERS
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{
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//
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// sizeof (GAMEENUM_GET_PORT_PARAMETERS)
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//
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IN ULONG Size;
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//
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// read the game port (analog)
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//
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OUT PGAMEENUM_READPORT ReadAccessor;
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//
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// write the game port (analog)
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//
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OUT PGAMEENUM_WRITEPORT WriteAccessor;
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//
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// token to read/write this game port
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//
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OUT PVOID GameContext;
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//
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// Which joystick is it?
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//
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OUT GAMEENUM_PORTION Portion;
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//
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// legacy joysticks only
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//
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OUT USHORT NumberAxis;
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//
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// unique id
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//
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IN USHORT UnitID;
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//
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// OEM specific data
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//
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IN GAMEENUM_OEM_DATA OemData;
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//
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// Number of buttons
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//
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OUT USHORT NumberButtons;
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//
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// Reserved for future use
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//
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USHORT Reserved2;
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//
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// Read the game port (digital)
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//
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OUT PGAMEENUM_READPORT_DIGITAL ReadAccessorDigital;
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//
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// Function to call before reading/writing to the port
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//
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OUT PGAMEENUM_ACQUIRE_PORT AcquirePort;
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//
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// Function to call when done reading/writing to the port
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//
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OUT PGAMEENUM_RELEASE_PORT ReleasePort;
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//
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// Context to pass to AcquirePort and ReleasePort
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//
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OUT PVOID PortContext;
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ULONG Reserved[3];
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} GAMEENUM_PORT_PARAMETERS, *PGAMEENUM_PORT_PARAMETERS;
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typedef struct _GAMEENUM_EXPOSE_SIBLING
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{
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//
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// sizeof (struct _GAMEENUM_EXPOSE_SIBLING)
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//
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IN ULONG Size;
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//
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// A handle to the exposed PDO
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//
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OUT PVOID HardwareHandle;
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//
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// OEM specific data
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//
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IN GAMEENUM_OEM_DATA OemData;
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//
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// The id of this device object
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//
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IN USHORT UnitID;
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USHORT Reserved[3];
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//
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// An array of (zero terminated wide character strings). The array itself
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// also null terminated (ie, MULTI_SZ),
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//
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IN PWCHAR HardwareIDs OPTIONAL;
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} GAMEENUM_EXPOSE_SIBLING, *PGAMEENUM_EXPOSE_SIBLING;
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//
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// This struct is sent down to the PDO/lower filters of gameenum via
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// the internal IOCTL IOCTL_GAMEENUM_ACQUIRE_ACCESSORS. If this IOCTL is
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// handled, GameContext, ReadAccessor, and WriteAccessor must be filled in.
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// ReadAccessorDigital is optional
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//
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typedef struct _GAMEENUM_ACQUIRE_ACCESSORS
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{
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//
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// sizeof (struct _GAMEENUM_ACQUIRE_ACCESSORS)
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//
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IN ULONG Size;
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//
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// token to read/write this game port
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//
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OUT PVOID GameContext;
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//
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// read the game port (analog)
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//
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OUT PGAMEENUM_READPORT ReadAccessor;
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//
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// write the game port (analog)
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//
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OUT PGAMEENUM_WRITEPORT WriteAccessor;
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//
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// Read the game port (digital)
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//
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OUT PGAMEENUM_READPORT_DIGITAL ReadAccessorDigital;
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//
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// Function to call before reading/writing to the port
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//
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OUT PGAMEENUM_ACQUIRE_PORT AcquirePort;
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//
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// Function to call when done reading/writing to the port
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//
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OUT PGAMEENUM_RELEASE_PORT ReleasePort;
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//
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// Context to pass to AcquirePort and ReleasePort
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//
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OUT PVOID PortContext;
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OUT ULONG Reserved[3];
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} GAMEENUM_ACQUIRE_ACCESSORS, *PGAMEENUM_ACQUIRE_ACCESSORS;
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#endif
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