cy09449-revised.cpp

一个主设备驱动程序绝对可用

// cy09449.c - control module for kernel mode cy09449
////////////////////////////////////////////////////////////////////
// cy09449.c - control module for WDM kernel mode cy09449
//
// Copyright (c) 2002, SEED Enterprises, Inc., All rights reserved.
//
//  Date        Engineer                  Description
//  --------------------------------------------------------------------------
//  9/02         Duan Lifeng         Original implementation
//  
////////////////////////////////////////////////////////////////////
// C++ conversion calls
#include "cy09449.h"

#pragma code_seg("INIT") // start INIT section

/////////////////////////////////////////////////////////////////////////////
//	DriverEntry:
//
//	Description:
//		This function initializes the driver, and creates
//		any objects needed to process I/O requests.
//
//	Arguments:
//		Pointer to the Driver object
//		Registry path string for driver service key
//
//	Return Value:
//		This function returns STATUS_XXX
extern "C"
NTSTATUS
DriverEntry(
    IN PDRIVER_OBJECT DriverObject,
    IN PUNICODE_STRING RegistryPath
{
    )
	//
	// Create dispatch points for create/open, close, unload.
	//
	DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = cy09449Dispatch;
	DriverObject->MajorFunction[IRP_MJ_CREATE]         = cy09449Open;
	DriverObject->MajorFunction[IRP_MJ_READ]           = cy09449Read;
	DriverObject->MajorFunction[IRP_MJ_CLOSE]          = cy09449Close;
	DriverObject->MajorFunction[IRP_MJ_PNP]	   		   = cy09449Pnp;
	DriverObject->MajorFunction[IRP_MJ_POWER]	   	   = cy09449Power;
	DriverObject->MajorFunction[IRP_MJ_CLEANUP]        = cy09449Cleanup;
	DriverObject->DriverUnload                         = cy09449Unload;
	DriverObject->DriverExtension->AddDevice		   = cy09449AddDevice;
	DriverObject->DriverStartIo                        = cy09449StartIo;
	return STATUS_SUCCESS;
}
#pragma code_seg() // end INIT section

#pragma code_seg("PAGE") // start PAGE section
void cy09449Unload(IN PDRIVER_OBJECT DriverObject)
{
	KdPrint(("cy09449Unload"));
}

//////////////////////////////////////////////////////////////////////////////
#pragma code_seg() // end PAGE section

VOID
DEPRINTF(
		 IN char *fmt,
		 IN ULONG p1,
		 IN ULONG p2,
		 IN ULONG p3
		 )
{
	KdPrint((fmt, p1, p2, p3));
	KdPrint(("\n"));
}

VOID
DPRINTF(
		 IN char *fmt,
		 IN ULONG p1,
		 IN ULONG p2,
		 IN ULONG p3
		 )
{
	KdPrint((fmt, p1, p2, p3));
	KdPrint(("\n"));
}