www.pudn.com > newcode-TestUsb.zip > TestUsb5Dlg.cpp
// TestUsb5Dlg.cpp : implementation file // #include "stdafx.h" #include "TestUsb5.h" #include "TestUsb5Dlg.h" ///////以下为OpenByInterface()用到的头文件(begin) #define NOCRYPT // prevent attempt to include missing files #define _INC_EXCPT // prevent excpt.h from being included #include#include #include #include // DriverWorks中的一个头文件 #include "UsbTestDeviceinterface.h" ///////(end) #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif HANDLE hDevice=INVALID_HANDLE_VALUE; GUID ClassGuid= UsbTestDevice_CLASS_GUID; ///////////////////////////////////////////////////////////////////////////// // 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() ///////////////////////////////////////////////////////////////////////////// // CTestUsb5Dlg dialog CTestUsb5Dlg::CTestUsb5Dlg(CWnd* pParent /*=NULL*/) : CDialog(CTestUsb5Dlg::IDD, pParent) { //{{AFX_DATA_INIT(CTestUsb5Dlg) m_strReport = _T(""); m_strWrite = _T(""); m_strRead = _T(""); //}}AFX_DATA_INIT // Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); } void CTestUsb5Dlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CTestUsb5Dlg) DDX_Text(pDX, IDC_EDIT_REPORT, m_strReport); DDX_Text(pDX, IDC_EDIT_WRITE, m_strWrite); DDV_MaxChars(pDX, m_strWrite, 64); DDX_Text(pDX, IDC_EDIT_READ, m_strRead); DDV_MaxChars(pDX, m_strRead, 64); //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CTestUsb5Dlg, CDialog) //{{AFX_MSG_MAP(CTestUsb5Dlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_BUTTON_READ, OnRead) ON_BN_CLICKED(IDC_BUTTON_WRITE, OnWrite) ON_BN_CLICKED(IDC_BUTTON_REFRESH, OnRefresh) ON_WM_CTLCOLOR() //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CTestUsb5Dlg message handlers BOOL CTestUsb5Dlg::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 OnOpenDevice(); return TRUE; // return TRUE unless you set the focus to a control } void CTestUsb5Dlg::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 CTestUsb5Dlg::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(); } /* CWnd * pWnd; CRect rect; CDC * pDC ; //pDC = this->GetDC(); CBrush brush; brush.CreateSolidBrush(RGB(255,255,0)); pWnd = this->GetDlgItem(IDC_EDIT_READ); pWnd->GetClientRect(&rect); // CClientDC dc(this); pDC = pWnd->GetDC(); // this->ClientToScreen(rect); pDC->SelectObject(&brush); pDC->FillRect(rect,&brush); // this->ClientToScreen(rect); // InvalidateRect(rect); */ } // The system calls this to obtain the cursor to display while the user drags // the minimized window. HCURSOR CTestUsb5Dlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } //DEL void CTestUsb5Dlg::OnOpenDevice() //DEL { //DEL // TODO: Add your control notification handler code here //DEL DWORD Error; //DEL m_strLog.Empty (); //DEL m_strLog = _T("正在查找设备，请稍候...\r\n"); //DEL SetDlgItemText(IDC_EDIT_REPORT,m_strLog); //DEL //DEL hDevice = OpenByInterface( &ClassGuid, 0, &Error); //DEL if (hDevice == INVALID_HANDLE_VALUE) //DEL { //DEL m_strLog+= _T("Error in found device.\r\n"); //DEL SetDlgItemText(IDC_EDIT_REPORT,m_strLog); //DEL } //DEL else //DEL { //DEL m_strLog += _T("Device found,handle open.\r\n"); //DEL SetDlgItemText(IDC_EDIT_REPORT,m_strLog); //DEL } //DEL } void CTestUsb5Dlg::OnRead() { // TODO: Add your control notification handler code here char *buf = NULL; ULONG nRead; int n = 65; CString p; buf = new char[n+1]; memset(buf,0,sizeof(char)*n); if (buf == NULL) { m_strLog+= _T("准备读取数据时分配内存失败.\r\n"); SetDlgItemText(IDC_EDIT_REPORT,m_strLog); } if (hDevice == INVALID_HANDLE_VALUE) return ; else { m_strLog+= _T("正在从设备读取数据 ...\r\n"); SetDlgItemText(IDC_EDIT_REPORT,m_strLog); ReadFile(hDevice, buf, n, &nRead, NULL); m_strRead=buf; UpdateData(FALSE); m_strLog+= _T("从设备读取的数据是: "+m_strRead+"\r\n"); SetDlgItemText(IDC_EDIT_REPORT,m_strLog); } if(buf) delete[] buf; buf = NULL; } void CTestUsb5Dlg::OnWrite() { // TODO: Add your control notification handler code here UpdateData(); char *buf = NULL; ULONG nWritten; int n=65; buf=new char[n+1]; memset(buf,0,sizeof(char)*n);//设置buf为0 UpdateData(FALSE); //更新m_strWrite变量的值 strcpy(buf,m_strWrite); //把m_strWrite的值写入buf CString p; if (buf == NULL) { m_strLog+= _T("准备向设备写数据时分配内存失败.\r\n"); SetDlgItemText(IDC_EDIT_REPORT,m_strLog); } if (hDevice == INVALID_HANDLE_VALUE) return; else { m_strLog+= _T("正在向设备写数据... \r\n"); SetDlgItemText(IDC_EDIT_REPORT,m_strLog); WriteFile(hDevice, buf, n, &nWritten, NULL); p = buf; m_strLog+= _T("写入设备的数据是: "+p+"\r\n"); SetDlgItemText(IDC_EDIT_REPORT,m_strLog); } if(buf) delete[] buf; buf = NULL; } void CTestUsb5Dlg::OnRefresh() { // TODO: Add your control notification handler code here m_strRead = _T(""); m_strWrite = _T(""); m_strReport=_T(""); UpdateData(FALSE); OnOpenDevice(); UpdateData(); } HANDLE CTestUsb5Dlg::OpenByInterface(GUID *pClassGuid, DWORD instance, PDWORD pError) { HANDLE hDev; CDeviceInterfaceClass DevClass(pClassGuid, pError); if (*pError != ERROR_SUCCESS) return INVALID_HANDLE_VALUE; CDeviceInterface DevInterface(&DevClass, instance, pError); if (*pError != ERROR_SUCCESS) return INVALID_HANDLE_VALUE; hDev = CreateFile( DevInterface.DevicePath(), GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL ); if (hDev == INVALID_HANDLE_VALUE) { *pError = GetLastError(); } return hDev; } void CTestUsb5Dlg::OnOpenDevice() { DWORD Error; m_strLog.Empty (); //m_strLog = _T("正在查找设备，请稍候...\r\n"); SetDlgItemText(IDC_EDIT_REPORT,m_strLog); hDevice = OpenByInterface( &ClassGuid, 0, &Error); if (hDevice == INVALID_HANDLE_VALUE) { m_strLog+= _T("查找设备失败.\r\n"); SetDlgItemText(IDC_EDIT_REPORT,m_strLog); m_strLog+= _T("请确认设备是否正确连接到计算机.\r\n"); SetDlgItemText(IDC_EDIT_REPORT,m_strLog); } else { m_strLog += _T("查找设备成功.\r\n"); SetDlgItemText(IDC_EDIT_REPORT,m_strLog); } } HBRUSH CTestUsb5Dlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor) { HBRUSH hbr = CDialog::OnCtlColor(pDC, pWnd, nCtlColor); // TODO: Change any attributes of the DC here // TODO: Return a different brush if the default is not desired return hbr; }