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上传时间: 2009-04-27
详细说明： 在vc++6.0下调试通过 // SCommTestDlg.cpp : implementation file // #include "stdafx.h" #include "SCommTest.h" #include "SCommTestDlg.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///// //////////////////////////////////////////////////////////////////////// // 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() ///////////////////////////////////////////////////////////////////////////// // CSCommTestDlg dialog CSCommTestDlg::CSCommTestDlg(CWnd* pParent /*=NULL*/) : CDialog(CSCommTestDlg::IDD, pParent) { //{{AFX_DATA_INIT(CSCommTestDlg) m_strRXData = _T(""); m_strTXData = _T(""); //}}AFX_DATA_INIT // Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); } void CSCommTestDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CSCommTestDlg) DDX_Control(pDX, IDC_MSCOMM1, m_ctrlComm); DDX_Text(pDX, IDC_EDIT_RXDATA, m_strRXData); DDX_Text(pDX, IDC_EDIT_TXDATA, m_strTXData); //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CSCommTestDlg, CDialog) //{{AFX_MSG_MAP(CSCommTestDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_BUTTON_MANUALSEND, OnButtonManualsend) //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CSCommTestDlg message handlers BOOL CSCommTestDlg::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 if(m_ctrlComm.GetPortOpen()) m_ctrlComm.SetPortOpen(FALSE); m_ctrlComm.SetCommPort(1); //选择com1 if( !m_ctrlComm.GetPortOpen()) m_ctrlComm.SetPortOpen(TRUE);//打开串口 else AfxMessageBox("cannot open serial port"); m_ctrlComm.SetSettings("9600,n,8,1"); //波特率9600，无校验，8个数据位，1个停止位 m_ctrlComm.SetRThreshold(1); //参数1表示每当串口接收缓冲区中有多于或等于1个字符时将引发一个接收数据的OnComm事件 m_ctrlComm.SetInputLen(0); //设置当前接收区数据长度为0 m_ctrlComm.GetInput();//先预读缓冲区以清除残留数据 return TRUE; // return TRUE unless you set the focus to a control } void CSCommTestDlg::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 CSCommTestDlg::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 CSCommTestDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } BEGIN_EVENTSINK_MAP(CSCommTestDlg, CDialog) //{{AFX_EVENTSINK_MAP(CSCommTestDlg) ON_EVENT(CSCommTestDlg, IDC_MSCOMM1, 1 /* OnComm */, OnComm, VTS_NONE) //}}AFX_EVENTSINK_MAP END_EVENTSINK_MAP() void CSCommTestDlg::OnComm() { // TODO: Add your control notification handler code here VARIANT variant_inp; COleSafeArray safearray_inp; LONG len,k; BYTE rxdata[2048]; //设置BYTE数组 An 8-bit integerthat is not signed. CString strtemp; if(m_ctrlComm.GetCommEvent()==2) //事件值为2表示接收缓冲区内有字符 { variant_inp=m_ctrlComm.GetInput(); //读缓冲区 safearray_inp=variant_inp; //VARIANT型变量转换为ColeSafeArray型变量 len=safearray_inp.GetOneDimSize(); //得到有效数据长度 for(k=0;k
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