VC++语音电话程序演示实例

// modemDlg.cpp : implementation file // #include "stdafx.h" #include "modem.h" #include "modemDlg.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif static BOOL bClicked = FALSE; ///////////////////////////////////////////////////////////////////////////// // CModemDlg dialog CModemDlg::CModemDlg(CWnd* pParent /*=NULL*/) : CDialog(CModemDlg::IDD, pParent) { //{{AFX_DATA_INIT(CModemDlg) m_editchar = _T(""); m_modem = _T(""); m_com = _T(""); m_phone = _T(""); //}}AFX_DATA_INIT // Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); } void CModemDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CModemDlg) DDX_Control(pDX, IDhangup, m_hangup); DDX_Control(pDX, IDcall, m_call); DDX_Control(pDX, IDC_EDIT1, m_editctrl); DDX_Text(pDX, IDC_EDIT1, m_editchar); DDV_MaxChars(pDX, m_editchar, 40); DDX_Text(pDX, IDC_EDIT3, m_modem); DDX_Text(pDX, IDC_EDIT2, m_com); DDX_Text(pDX, IDC_EDIT4, m_phone); //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CModemDlg, CDialog) //{{AFX_MSG_MAP(CModemDlg) ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_EN_CHANGE(IDC_EDIT1, OnChangeEdit1) ON_BN_CLICKED(IDcall, Oncall) ON_BN_CLICKED(IDhangup, Onhangup) ON_WM_CREATE() ON_WM_CLOSE() ON_WM_TIMER() ON_BN_CLICKED(IDEXIT, OnExit) ON_WM_LBUTTONDOWN() //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CModemDlg message handlers BOOL CModemDlg::OnInitDialog() { CDialog::OnInitDialog(); // 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 GetDlgItem(IDcall)->EnableWindow(FALSE); GetDlgItem(IDhangup)->EnableWindow(FALSE); GetDlgItem(IDC_EDIT1)->EnableWindow(TRUE); vcon=0; sound=20; vconcount=0; ring=0; return TRUE; // return TRUE unless you set the focus to a control // EXCEPTION: OCX Property Pages should return FALSE } // 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 CModemDlg::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 CModemDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } void CModemDlg::OnChangeEdit1() { // TODO: If this is a RICHEDIT control, the control will not // send this notification unless you override the CDialog::OnInitDialog() // function to send the EM_SETEVENTMASK message to the control // with the ENM_CHANGE flag ORed into the lParam mask. // TODO: Add your control notification handler code here UpdateData(); if(m_editchar.GetLength())GetDlgItem(IDcall)->EnableWindow(TRUE); else GetDlgItem(IDcall)->EnableWindow(FALSE);//无输入时禁止按钮 } void CModemDlg::Oncall() { // TODO: Add your control notification handler code here // m_editctrl.EnableWindow(FALSE); GetDlgItem(IDhangup)->EnableWindow(TRUE); GetDlgItem(IDcall)->EnableWindow(FALSE); GetDlgItem(IDC_EDIT1)->EnableWindow(FALSE); m_editctrl.GetWindowText(m_editchar); char strOutMsg[50]; DWORD dwBytesWritten; wsprintf(strOutMsg,"ATDT%s\r",m_editchar); BOOL bReturn=WriteFile(hCommDev,"AT#CLS=8#VLS=8#VGT=131#VSR=8000\r",strlen("AT#CLS=8#VLS=8#VGT=131#VSR=11025\r"),&dwBytesWritten,NULL); if(!bReturn){ m_phone="语音模式设置......失败!"; } else m_phone="语音模式设置......成功!"; Sleep(500); bReturn=WriteFile(hCommDev,strOutMsg,strlen(strOutMsg),&dwBytesWritten,NULL); if(!bReturn){ // DWORD dwErrorID=GetLastError(); // MessageBox("无法与调制解调器通讯!"); // return; m_phone="拨号连接......失败!"; UpdateData(FALSE); return; } m_phone="正在呼叫连接... "+m_editchar; UpdateData(FALSE); } void CModemDlg::Onhangup() { // TODO: Add your control notification handler code here GetDlgItem(IDhangup)->EnableWindow(FALSE); GetDlgItem(IDcall)->EnableWindow(TRUE); GetDlgItem(IDC_EDIT1)->EnableWindow(TRUE); m_editctrl.EnableWindow(TRUE); m_editctrl.GetWindowText(m_editchar); DWORD dwBytesWritten; BOOL bReturn=WriteFile(hCommDev,"\r",strlen("\r"),&dwBytesWritten,NULL); if(!bReturn){ // DWORD dwErrorID=GetLastError(); // MessageBox("无法与调制解调器通讯!"); // return; m_phone="挂断连接......失败!"; UpdateData(FALSE); return; } Sleep(1000); bReturn=WriteFile(hCommDev,"+++",strlen("+++"),&dwBytesWritten,NULL); if(!bReturn){ // DWORD dwErrorID=GetLastError(); // MessageBox("无法与调制解调器通讯!"); // return; m_phone="无法与调制解调器通讯,挂断连接......失败!"; UpdateData(FALSE); return; } m_phone="正在挂断连接... "+m_editchar; UpdateData(FALSE); Sleep(1000); bReturn=WriteFile(hCommDev,"ATZ\r",strlen("ATZ\r"),&dwBytesWritten,NULL); if(!bReturn){ // DWORD dwErrorID=GetLastError(); // MessageBox("无法与调制解调器通讯!"); // return; m_phone="无法与调制解调器通讯,挂断连接......失败!"; UpdateData(FALSE); return; } vconcount=0; } int CModemDlg::OnCreate(LPCREATESTRUCT lpCreateStruct) { if (CDialog::OnCreate(lpCreateStruct) == -1) return -1; DCB dcb; char strOutNumber[50]; DWORD dwBytesWritten; BOOL bReturn,flagcom=FALSE,flagmodem=FALSE; char strOutMsg[20]="ATS0=0V1M0\r"; hCommDev=CreateFile("COM1",GENERIC_READ|GENERIC_WRITE,0,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL|FILE_FLAG_OVERLAPPED,NULL); if(hCommDev!=(HANDLE)-1) { flagcom=TRUE; BuildCommDCB("COM1:115200,n,8,1",&dcb); SetCommState(hCommDev,&dcb); //以上为初始化串口 COMMTIMEOUTS CommTimeOuts; CommTimeOuts.ReadIntervalTimeout=MAXDWORD; CommTimeOuts.ReadTotalTimeoutMultiplier=0; CommTimeOuts.ReadTotalTimeoutConstant=0; CommTimeOuts.WriteTotalTimeoutMultiplier=0; CommTimeOuts.WriteTotalTimeoutConstant=1000; SetCommTimeouts(hCommDev,&CommTimeOuts); PurgeComm(hCommDev,PURGE_TXCLEAR); PurgeComm(hCommDev,PURGE_RXCLEAR); //设置读写串口超时时间 bReturn=WriteFile(hCommDev,strOutMsg,strlen(strOutMsg),&dwBytesWritten,NULL); if(!bReturn)flagmodem=FALSE; else flagmodem=TRUE; } else flagcom=FALSE; if(flagcom==FALSE||flagmodem==FALSE) { CloseHandle(hCommDev); hCommDev=CreateFile("COM2",GENERIC_READ|GENERIC_WRITE,0,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL|FILE_FL