myappview.cpp

EZUSB2 上位机的驱动程序

// MyAppView.cpp : implementation of the CMyAppView class
//

#include "stdafx.h"
#include "MyApp.h"

#include "MyAppDoc.h"
#include "MyAppView.h"

#include "ezusbsys.h"


#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif


BOOLEAN
bOpenDriver (HANDLE * phDeviceHandle, PCHAR devname);

int  LEDWrite(int index,int digit);
int  GetKey(char *Key);

/////////////////////////////////////////////////////////////////////////////
// CMyAppView

IMPLEMENT_DYNCREATE(CMyAppView, CView)

BEGIN_MESSAGE_MAP(CMyAppView, CView)
	//{{AFX_MSG_MAP(CMyAppView)
	ON_WM_KEYUP()
	//}}AFX_MSG_MAP
	// Standard printing commands
	ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMyAppView construction/destruction

CMyAppView::CMyAppView()
{
	// TODO: add construction code here

}

CMyAppView::~CMyAppView()
{
}

BOOL CMyAppView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CMyAppView drawing

void CMyAppView::OnDraw(CDC* pDC)
{
	CMyAppDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
}

/////////////////////////////////////////////////////////////////////////////
// CMyAppView printing

BOOL CMyAppView::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}

void CMyAppView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}

void CMyAppView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}

/////////////////////////////////////////////////////////////////////////////
// CMyAppView diagnostics

#ifdef _DEBUG
void CMyAppView::AssertValid() const
{
	CView::AssertValid();
}

void CMyAppView::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CMyAppDoc* CMyAppView::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CMyAppDoc)));
	return (CMyAppDoc*)m_pDocument;
}
#endif //_DEBUG
int		i = 0;
/////////////////////////////////////////////////////////////////////////////
// CMyAppView message handlers
HANDLE  hDevice = NULL;
void CMyAppView::OnKeyUp(UINT nChar, UINT nRepCnt, UINT nFlags) 
{
    char    pcDriverName[16] = "";
	char    Key;
	BOOLEAN bResult          = FALSE;
	{
		sprintf(pcDriverName, "Ezusb-%d", 0);
		if (bOpenDriver (&hDevice, pcDriverName) == TRUE)
		{
	//		TRACE("TPM:CEzMrApp::OnFileUpdateAllDevs(): %s available\n", pcDriverName);
     //       CloseHandle (hDevice);
		}

		LEDWrite(0,i%16);
		LEDWrite(1,(i+1)%16);
		LEDWrite(2,(i+2)%16);
		LEDWrite(3,(i+3)%16);
		GetKey(&Key);
		i++;
    }

 //   MessageBox("Hello","ABC",MB_OK);	
	CView::OnKeyUp(nChar, nRepCnt, nFlags);
}

int  LEDWrite(int index,int digit)     //写LED
{
	unsigned long  wcnt;
	BOOLEAN bResult = FALSE;

	VENDOR_OR_CLASS_REQUEST_CONTROL  myrequest;
	myrequest.direction=0;
	myrequest.requestType=2;
	myrequest.recepient=0;
	myrequest.request=0xB0;


	myrequest.value=(index&0xff)*256+digit;
//	if (hDevice != NULL)
	{// Perform the Get-Descriptor IOCTL
		  bResult = DeviceIoControl(hDevice,
									IOCTL_EZUSB_VENDOR_OR_CLASS_REQUEST,
									&myrequest,
									sizeof(VENDOR_OR_CLASS_REQUEST_CONTROL),
									NULL,
									0,
									&wcnt,
									NULL);
		  if (bResult==TRUE)
		  {
				// do nothin
		  }
		  else
		  {
				
		  }
	}
	return wcnt;
}


int  GetKey(char *Key)
{  //获取键盘字符
   unsigned long  rcnt;

   VENDOR_OR_CLASS_REQUEST_CONTROL  myrequest;
   myrequest.direction=1;
   myrequest.requestType=2;
   myrequest.recepient=0;
   myrequest.request=0xB1;


   if (!DeviceIoControl(hDevice,IOCTL_EZUSB_VENDOR_OR_CLASS_REQUEST,&myrequest,
       sizeof(VENDOR_OR_CLASS_REQUEST_CONTROL),Key,1,&rcnt,NULL))
	{
     ;
	}
   return rcnt;
}  
/**************************************************
 * bOpenDriver proc                               *
 *                                                *
 * Purpose:                                       *  
 *      Opens the device driver using symbolic    *
 *      name provided                             *
 *                                                *
 * Input:                                         *
 *      phDeviceHandle:                           *
 *          Pointer to Device Driver handle where *
 *          the file handle is placed.            *
 *      devname:                                  *
 *          Null terminated string containing the *
 *          device name                           *
 *                                                *
 * Return Value:                                  *
 *      Boolean that indicates if the driver was  *
 *      successfully opened or not.               *
 *                                                *
 **************************************************/

BOOLEAN
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