demonodlldlg.cpp

44b0上usb应用程序实例

// DemoNoDllDlg.cpp : implementation file
//

#include "stdafx.h"
#include "DemoNoDll.h"
#include "DemoNoDllDlg.h"

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

#include "usbif.h"
#include <malloc.h>
#include <memory.h>
/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDemoNoDllDlg dialog

CDemoNoDllDlg::CDemoNoDllDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CDemoNoDllDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CDemoNoDllDlg)
	m_strOutBuf = _T("");
	m_strInBuf = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CDemoNoDllDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CDemoNoDllDlg)
	DDX_Text(pDX, IDC_OUT_EDT, m_strOutBuf);
	DDV_MaxChars(pDX, m_strOutBuf, 64);
	DDX_Text(pDX, IDC_IN_EDT, m_strInBuf);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CDemoNoDllDlg, CDialog)
	//{{AFX_MSG_MAP(CDemoNoDllDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_TRANSFER_BTN, OnTransferBtn)
	ON_BN_CLICKED(IDC_BTN_CLEAROUT, OnBtnClearout)
	ON_BN_CLICKED(IDC_BTN_CLEARIN, OnBtnClearin)
	ON_BN_CLICKED(IDC_BTN_HELP, OnBtnHelp)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDemoNoDllDlg message handlers

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

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// 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
}

void CDemoNoDllDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// 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 CDemoNoDllDlg::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 CDemoNoDllDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CDemoNoDllDlg::OnTransferBtn() 
{
	// TODO: Add your control notification handler code here
  
	//获取发送数据窗口的数据
	UpdateData(TRUE);
	m_strOutBuf;
	//定义临时缓冲区
	USC  *pBuffer=NULL;
	int  length=m_strOutBuf.GetLength();
	pBuffer= (USC *)m_strOutBuf.GetBuffer(length);
  
	//then open the usb device ,there must be a usb device ,if not,the program will be corrupted
    HANDLE hUsbDev=0;
	if(hOpenDevice(&hUsbDev) == FALSE)
	{
		 MessageBox("Can not open the device");
		 return;
	}
	//transfer the data through hWritePipe3
    if(FALSE == hUSBIO(&hUsbDev,pBuffer,length,hWritePipe3,FALSE))
	{
		MessageBox("Can not write in the data");
		if(FALSE==hCloseDevice(&hUsbDev))
			MessageBox("Can not close the device");
		return;
	}

    //receive the data
	USC* parray = (USC*)malloc(length+1);
	memset(parray,'\0',length);

	if(FALSE == hUSBIO(&hUsbDev,parray,length,hReadPipe3,TRUE))
	{
	 		MessageBox("Can not read out the data");
			if(FALSE==hCloseDevice(&hUsbDev))
				MessageBox("Can not close the device");
			return;
	}
	//show the inbuf
	parray[length] = '\0';
	m_strInBuf = parray;
	UpdateData(FALSE);
	
	free(parray);
	parray = NULL;
	//close the device
	if(FALSE==hCloseDevice(&hUsbDev))
	  MessageBox("Can not close the device");
		 
}

void CDemoNoDllDlg::OnBtnClearout() 
{
	// TODO: Add your control notification handler code here
	m_strOutBuf.Empty();
	UpdateData(FALSE);
}

void CDemoNoDllDlg::OnBtnClearin() 
{
	// TODO: Add your control notification handler code here
	m_strInBuf.Empty();
	UpdateData(FALSE);
}

void CDemoNoDllDlg::OnBtnHelp() 
{
	// TODO: Add your control notification handler code here
	CAboutDlg dlgAbout;
	dlgAbout.DoModal();
	
}