mscommdlg.cpp

串口通信

// MSCOMMDlg.cpp : implementation file
//

#include "stdafx.h"
#include "MSCOMM.h"
#include "MSCOMMDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CMSCOMMDlg dialog

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

void CMSCOMMDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMSCOMMDlg)
	DDX_Text(pDX, IDC_EDIT_SEND, m_strSend);
	DDX_Text(pDX, IDC_STATIC_RECV, m_strRecv);
	DDX_Control(pDX, IDC_MSCOMM1, m_ctrlComm);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CMSCOMMDlg, CDialog)
	//{{AFX_MSG_MAP(CMSCOMMDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON_SEND, OnButtonSend)
	ON_BN_CLICKED(IDC_BUTTON_FLASH, OnButtonFlash)
	ON_BN_CLICKED(IDC_BUTTON_EXIT, OnButtonExit)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMSCOMMDlg message handlers

BOOL CMSCOMMDlg::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
//------------------------------------------------------------------------------------
	

    //手工加入的代码
	m_ctrlComm.SetCommPort(1);  //设置com1
	m_ctrlComm.SetInputMode(1); //发送二进制数据
	m_ctrlComm.SetSettings("9600,n,8,1");//设置波特率，奇偶校验，数据位，停止位
	m_ctrlComm.SetInBufferSize(1024);//设置输入缓冲区大小
	m_ctrlComm.SetOutBufferSize(512);//设置输出缓冲区大小
	
	if(!m_ctrlComm.GetPortOpen())
		m_ctrlComm.SetPortOpen(TRUE); //打开串口
	m_ctrlComm.SetRThreshold(1);//每当接收缓冲区中收到一个字符就触发OnComm事件
	m_ctrlComm.SetInputLen(0);//设置当前接受去数据长度为0
	m_ctrlComm.GetInput();//预读缓冲区，清除数据
//------------------------------------------------------------------------------------
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

BEGIN_EVENTSINK_MAP(CMSCOMMDlg, CDialog)
    //{{AFX_EVENTSINK_MAP(CMSCOMMDlg)
	ON_EVENT(CMSCOMMDlg, IDC_MSCOMM1, 1 /* OnComm */, OnOnCommMscomm1, VTS_NONE)
	//}}AFX_EVENTSINK_MAP
END_EVENTSINK_MAP()

void CMSCOMMDlg::OnOnCommMscomm1() 
{
	// TODO: Add your control notification handler code here
//---------------------------------------------------------------------------
    //手工加入的代码

	VARIANT variant_inp;//定义VARIANT型变量
	COleSafeArray safearray_inp;//定义COleSafeArray型变量
	LONG len,k;
	BYTE recv[2048];
	CString strtemp;
	
	if(2==m_ctrlComm.GetCommEvent())
	{
		variant_inp=m_ctrlComm.GetInput(); //读缓冲区
        safearray_inp=variant_inp;         //数据转换
		len=safearray_inp.GetOneDimSize(); //得到有效长度
		
		for(k=0;k<len;k++)
			safearray_inp.GetElement(&k,recv+k);//转换为BYTE型数组
		for(k=0;k<len;k++)
		{
			BYTE bt=*(char*)(recv+k);;
			strtemp.Format("%c",bt);
			m_strRecv+=strtemp;
		}
		
			
	}
	UpdateData(FALSE);//更新编辑框中内容
//---------------------------------------------------------------------------
}

void CMSCOMMDlg::OnButtonSend() 
{
	// TODO: Add your control notification handler code here
//---------------------------------------------------------------------------
    //手工加入的代码
    UpdateData(TRUE);//从编辑框中读取数据到内存
	m_ctrlComm.SetOutput(COleVariant(m_strSend));//发送数据
	SetDlgItemText(IDC_EDIT_SEND,"");//将编辑框显示为空
//---------------------------------------------------------------------------
}

void CMSCOMMDlg::OnButtonFlash() 
{
	// TODO: Add your control notification handler code here
//---------------------------------------------------------------------------
	//手工加入的代码
	m_strRecv="";//将接收框设置为空
	
	UpdateData(FALSE);//更新编辑框中内容
//---------------------------------------------------------------------------
}

void CMSCOMMDlg::OnButtonExit() 
{
//---------------------------------------------------------------------------
	//手工加入的代码
	// TODO: Add your control notification handler code here
	CDialog::OnOK();
//---------------------------------------
}