mouhid.h File Reference

#include <ntddk.h>
#include <hidclass.h>
#include <hidpddi.h>
#include <hidpi.h>
#include <debug.h>
#include <ntddmou.h>
#include <kbdmou.h>

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Go to the source code of this file.

Classes
struct	MOUHID_DEVICE_EXTENSION

Macros
#define	_HIDPI_NO_FUNCTION_MACROS_
#define	NDEBUG
#define	WHEEL_DELTA   120
#define	VIRTUAL_SCREEN_SIZE_X   (65536)
#define	VIRTUAL_SCREEN_SIZE_Y   (65536)
#define	MOUHID_TAG   'diHM'

Typedefs
typedef struct MOUHID_DEVICE_EXTENSION *	PMOUHID_DEVICE_EXTENSION

Functions
NTSTATUS	MouHid_InitiateRead (IN PMOUHID_DEVICE_EXTENSION DeviceExtension)

Macro Definition Documentation

_HIDPI_NO_FUNCTION_MACROS_

#define _HIDPI_NO_FUNCTION_MACROS_

Definition at line 3 of file mouhid.h.

MOUHID_TAG

#define MOUHID_TAG   'diHM'

Definition at line 142 of file mouhid.h.

NDEBUG

#define NDEBUG

Definition at line 8 of file mouhid.h.

VIRTUAL_SCREEN_SIZE_X

#define VIRTUAL_SCREEN_SIZE_X   (65536)

Definition at line 135 of file mouhid.h.

VIRTUAL_SCREEN_SIZE_Y

#define VIRTUAL_SCREEN_SIZE_Y   (65536)

Definition at line 136 of file mouhid.h.

WHEEL_DELTA

#define WHEEL_DELTA   120

Definition at line 134 of file mouhid.h.

Typedef Documentation

PMOUHID_DEVICE_EXTENSION

typedef struct MOUHID_DEVICE_EXTENSION * PMOUHID_DEVICE_EXTENSION

Function Documentation

MouHid_InitiateRead()

NTSTATUS MouHid_InitiateRead

(

IN PMOUHID_DEVICE_EXTENSION

DeviceExtension

)

Definition at line 397 of file mouhid.c.

{
    PIO_STACK_LOCATION IoStack;
    NTSTATUS Status;

    /* re-use irp */
    IoReuseIrp(DeviceExtension->Irp, STATUS_SUCCESS);

    /* init irp */
    DeviceExtension->Irp->MdlAddress = DeviceExtension->ReportMDL;

    /* get next stack location */
    IoStack = IoGetNextIrpStackLocation(DeviceExtension->Irp);

    /* init stack location */
    IoStack->Parameters.Read.Length = DeviceExtension->ReportLength;
    IoStack->Parameters.Read.Key = 0;
    IoStack->Parameters.Read.ByteOffset.QuadPart = 0LL;
    IoStack->MajorFunction = IRP_MJ_READ;
    IoStack->FileObject = DeviceExtension->FileObject;

    /* set completion routine */
    IoSetCompletionRoutine(DeviceExtension->Irp, MouHid_ReadCompletion, DeviceExtension, TRUE, TRUE, TRUE);

    /* read is active */
    DeviceExtension->ReadReportActive = TRUE;

    /* start the read */
    Status = IoCallDriver(DeviceExtension->NextDeviceObject, DeviceExtension->Irp);

    /* done */
    return Status;
}

Referenced by MouHid_Create(), and MouHid_ReadCompletion().