usbdlg.cpp

一个不错的usb加密卡的设计

// USBDlg.cpp : implementation file
//

#include "stdafx.h"
#include "USB.h"
#include "USBDlg.h"
#include "..\..\..\..\drivers\ezusbdrv\ezusbsys.h"
#include <winioctl.h>

//
#include <windows.h>
#include <malloc.h>
#include <assert.h>
#include <stdlib.h>
#include <stdio.h>
#include <process.h>
//
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CUSBDlg dialog

CUSBDlg::CUSBDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CUSBDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CUSBDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CUSBDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CUSBDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CUSBDlg, CDialog)
	//{{AFX_MSG_MAP(CUSBDlg)
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CUSBDlg message handlers

BOOL CUSBDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CUSBDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CUSBDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CUSBDlg::OnButton1() 
{    
	// TODO: Add your control notification handler code here
	unsigned long     nBytes                          = 0;
	BULK_TRANSFER_CONTROL bulkControl;

	WORD outPacketSize, inPacketSize;
	outPacketSize = inPacketSize=64;
	 BOOLEAN bResult                         = FALSE;
	char pcDriverName[64];
	HANDLE hDevice=NULL;
	
    strcpy(pcDriverName,"Ezusb-0");
	//UCHAR outBuffer[64], inBuffer[64];
	char outBuffer[64], inBuffer[64];
	//char outBuffer[2], inBuffer[2];
	char tempbuff[255];
//	LPVOID lpParameter ;
//	HWND hDlg = (HWND) lpParameter;
/*	int i;
	for (i=0;i<64;i++)
	{outBuffer[i]=0;
	inBuffer[i]=0;
	}*/

	if (bOpenDriver (&hDevice, pcDriverName) != TRUE)
	{
		  sprintf(tempbuff,"不能打开USB设备，密码无效！");
		  MessageBox(tempbuff,"incorrect-information",MB_ICONINFORMATION);

	}

	else{char code[64]="";
       // outBuffer[0]= GetDlgItemInt( IDC_EDIT1, NULL, FALSE);
	    GetDlgItemText(IDC_EDIT1,code,64);
		strcpy(outBuffer,code);
		 bulkControl.pipeNum = 0;
		 bResult = DeviceIoControl (hDevice,
                     IOCTL_EZUSB_BULK_WRITE,
                     &bulkControl,
                     sizeof(BULK_TRANSFER_CONTROL),
                     &outBuffer[0],
					
                     outPacketSize,
                   &nBytes,
				  // &nBytes,
                      NULL);
				//	 0);

		  bulkControl.pipeNum = 7;
		  bResult = DeviceIoControl (hDevice,
                     IOCTL_EZUSB_BULK_READ,
                     &bulkControl,
                     sizeof(BULK_TRANSFER_CONTROL),
                     &inBuffer[0],
					 // inBuffer[0],
                     inPacketSize,
                    &nBytes,
					  //&nBytes,
                  NULL);
				//	0);

		 // char x=inBuffer[0];
		  //char x[2];
		 // strcpy(x,inBuffer);
		  SetDlgItemText(IDC_EDIT2,inBuffer);
		  if(strcmp(inBuffer,"ljp010602")==0)
		  {sprintf(tempbuff,"你输入正确的密码！");
		  MessageBox(tempbuff,"correct-information",MB_ICONINFORMATION);
		  }else
		  {sprintf(tempbuff,"密码错误，请重新再试！");
		  MessageBox(tempbuff,"incorrect-information",MB_ICONINFORMATION);
		  }
		  }

	
}



BOOLEAN CUSBDlg::
bOpenDriver (HANDLE * phDeviceHandle, PCHAR devname)
{
   char completeDeviceName[64] = "";
   char pcMsg[64] = "";
   
   strcat (completeDeviceName,
      "\\\\.\\"
      );
   
   strcat (completeDeviceName,
		    devname
          );
   
   *phDeviceHandle = CreateFile(completeDeviceName,
      GENERIC_WRITE,
      FILE_SHARE_WRITE,
      NULL,
      OPEN_EXISTING,
      0,
      NULL);
   
   if (*phDeviceHandle == INVALID_HANDLE_VALUE) {
      return (FALSE);
   } else {
      return (TRUE);
   } /*else*/
   
   
}//OpenDevice