drvclass.cpp

RTL8139 网卡驱动源码 for WinCE.net CEPC

//****************************************************************************
//                            File DRVCLASS.CPP
//
//                    Driver object of functional driver
//
//                     Copyright (c) APSoft, 1998-2002.
//                          All rights reserved.
//
//****************************************************************************


extern "C"
{
#include <ntddk.h>                          // Main DDK's include
#include <stdio.h>                          // swprintf
}

#include <drvclass.h>                       // Class declaration
#include <devclass.h>                       // Device class


///////////////////////////////////////////////////////////////////////////////
//                        --- Class CFuncDriver ---                          //
///////////////////////////////////////////////////////////////////////////////

//****************************************************************************
//                    --- CFuncDriver::OnAddDevice ---
//
// Purpose: New device arrived
//   Input: PDEVICE_OBJECT pPdo - PDO for new device
//  Output: NTSTATUS            - Operation status
// Written: by Anton V. Krivenko 4/10/2002
//****************************************************************************
NTSTATUS CFuncDriver::OnAddDevice(PDEVICE_OBJECT pPdo)
{
    NTSTATUS ntStatus = STATUS_NO_SUCH_DEVICE;
                                            // Assumes, failed

    WCHAR    wszDevName[256];               // Device name
    WCHAR    wszLnkName[256];               // Link name

    swprintf(wszDevName, L"\\Device\\FUJIXEROX-READCARD-Device%d", m_uNextDevice);
    swprintf(wszLnkName, L"\\DosDevices\\FUJIXEROX-READCARD-Device%d", m_uNextDevice++);

    PDEVICE_OBJECT  pDevice  = NULL;         // Device object
    ntStatus                 = CFuncDevice::OnCreate( m_pDrvObject,
                                                     &pDevice,
                                                      sizeof(CFuncDevice),
                                                      wszDevName,
                                                      wszLnkName);

    if (NT_SUCCESS(ntStatus))
    {
        CFuncDevice * p = new (pDevice) CFuncDevice(pDevice, pPdo, wszLnkName);

        if (p != NULL)
            ntStatus = STATUS_SUCCESS;
    }                                       // if (NT_SUCCESS(ntStatus))

    return ntStatus;
}