msscomdlg.cpp

这是一个串口通信的程序源代码

// MSSCOMDlg.cpp : implementation file
//

#include "stdafx.h"
#include "MSSCOM.h"
#include "MSSCOMDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CMSSCOMDlg dialog

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

void CMSSCOMDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMSSCOMDlg)
	DDX_Text(pDX, IDC_EDIT1, m_strAccept);
	DDX_Text(pDX, IDC_EDIT2, m_strSend);
	DDX_Control(pDX, IDC_MSCOMM1, m_msComm);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CMSSCOMDlg, CDialog)
	//{{AFX_MSG_MAP(CMSSCOMDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BTN, OnBtn)
	ON_WM_CREATE()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMSSCOMDlg message handlers

BOOL CMSSCOMDlg::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
	
     /////////////////////2007.3.23/////////////
	//initial the component of the MSComm
	//*******************CSSFOX

    m_msComm.SetCommPort(1); //choose com1;
    
	m_msComm.SetInputMode(1);//输入方式为二进制;
	
	m_msComm.SetInBufferSize(1024);//
	
	m_msComm.SetOutBufferSize(512);

	m_msComm.SetSettings("9600,n,8,1");

	if(!m_msComm.GetPortOpen())
	{
        m_msComm.SetPortOpen(TRUE);
	}
	m_msComm.SetRThreshold(1);

	m_msComm.SetInputLen(0);//设置当前接收区数据长度为零；

	m_msComm.GetInput();//


	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CMSSCOMDlg::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 CMSSCOMDlg::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 CMSSCOMDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

BEGIN_EVENTSINK_MAP(CMSSCOMDlg, CDialog)
    //{{AFX_EVENTSINK_MAP(CMSSCOMDlg)
	ON_EVENT(CMSSCOMDlg, IDC_MSCOMM1, 1 /* OnComm */, MSCOMM, VTS_NONE)
	//}}AFX_EVENTSINK_MAP
END_EVENTSINK_MAP()

void CMSSCOMDlg::MSCOMM() 
{

	VARIANT var;

	COleSafeArray array;

	LONG len,k;

	BYTE data[2048];

    CString str;
	if(m_msComm.GetCommEvent()==2)
	{
        var=m_msComm.GetInput();
		array=var;
		len=array.GetOneDimSize();//得到有效数据长度
	     for(k=0;k<len;k++)
			 array.GetElement(&k,data+k);
		for(k=0;k<len;k++)
		{
          BYTE bt=*(char *)(data);
		  str.Format("%c",bt);
		  m_strAccept+=str;
		}
	}
	UpdateData(false);
	// TODO: Add your control notification handler code here
	
}

void CMSSCOMDlg::OnBtn() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	m_msComm.SetOutput(COleVariant(m_strSend));
}

int CMSSCOMDlg::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CDialog::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	// TODO: Add your specialized creation code here




	return 0;
}

//DEL void CMSSCOMDlg::OnTimer(UINT nIDEvent) 
//DEL {
//DEL 	// TODO: Add your message handler code here and/or call default
//DEL 	 static int inde=1;	
//DEL 	 SetClassLong(m_hWnd,GCL_HICON,LONG(m_icon[inde]));
//DEL 	 inde=++inde%2;
//DEL 
//DEL 	CDialog::OnTimer(nIDEvent);
//DEL }