usb.cpp

FPGA与USB通信的测试代码

// USB.cpp : Defines the class behaviors for the application.
//

#include "stdafx.h"
#include "USB.h"
#include "USBDlg.h"
#include "main.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
HANDLE m_hDevice;
#define MAX_DRIVER_NAME  255
/////////////////////////////////////////////////////////////////////////////
// CUSBApp

BEGIN_MESSAGE_MAP(CUSBApp, CWinApp)
	//{{AFX_MSG_MAP(CUSBApp)
	//}}AFX_MSG
	ON_COMMAND(ID_HELP, CWinApp::OnHelp)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CUSBApp construction
HANDLE WINAPI EzusbOpen()
{
	//AFX_MANAGE_STATE(AfxGetStaticModuleState());
	
    char    pcDriverName[MAX_DRIVER_NAME] = "";
	HANDLE hDevice=NULL;
	for(int i =0; i<32; i++)
	{
		sprintf(pcDriverName, "Ezusb-%d", i);
		if (bOpenDriver (&hDevice, pcDriverName) == TRUE)
		{
			//AfxMessageBox(pcDriverName);
			break;
		}
	}
    if(i==32)
		return NULL;
	return hDevice;
}
//-----------------------------------------------------------------------------
CUSBApp::CUSBApp()
{
}

/////////////////////////////////////////////////////////////////////////////
// The one and only CUSBApp object

CUSBApp theApp;

/////////////////////////////////////////////////////////////////////////////
// CUSBApp initialization

BOOL CUSBApp::InitInstance()
{
	AfxEnableControlContainer();
    HANDLE hObject = CreateMutex(NULL,FALSE,"CHINAYCLL");
	if(GetLastError() == ERROR_ALREADY_EXISTS)
	{
		CloseHandle(hObject);
		AfxMessageBox("程序已经运行!");
		return FALSE;
	}
	// Standard initialization

#ifdef _AFXDLL
	Enable3dControls();			// Call this when using MFC in a shared DLL
#else
	Enable3dControlsStatic();	// Call this when linking to MFC statically
#endif
    SetRegistryKey(_T("Local AppWizard-Generated Applications"));
	LoadStdProfileSettings();  // Load standard INI file options (including MRU)
   	SetDialogBkColor(RGB(100,128,128),RGB(0, 0, 0) );
	m_hDevice=EzusbOpen();
	if(!m_hDevice)
	{ 
		AfxMessageBox("不能打开USB设备!");
		//return FALSE;
	}
	
	CUSBDlg dlg;
	m_pMainWnd = &dlg;
	int nResponse = dlg.DoModal();
	if (nResponse == IDOK)
	{
	}

	else if (nResponse == IDCANCEL)
	{
	}


	return FALSE;
}