uartdlg.cpp

这是一个基于vc串口异步通信 可以实现串口半双工的异步通信

// uartDlg.cpp : implementation file
//

#include "stdafx.h"
#include "uart.h"
#include "uartDlg.h"


#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About
//CComboBox *ccb;
//CEdit *ced;
#define MESSAGELENGTH 100
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()

/////////////////////////////////////////////////////////////////////////////
// CUartDlg dialog

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

void CUartDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CUartDlg)
	DDX_Control(pDX, IDC_COMBO_SNO, m_comb);
	DDX_Control(pDX, IDC_EDIT_SHOW, m_edit);
	DDX_Text(pDX, IDC_EDIT2, m_disp);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CUartDlg, CDialog)
	//{{AFX_MSG_MAP(CUartDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_CBN_EDITCHANGE(IDC_COMBO_SNO, OnEditchangeComboSno)
	ON_EN_CHANGE(IDC_EDIT_SHOW, OnChangeEditShow)
	ON_CBN_SELCHANGE(IDC_COMBO_SNO, OnSelchangeComboSno)
	ON_WM_CREATE()
	ON_BN_CLICKED(IDC_BUTTON1, OnButton)
	ON_EN_CHANGE(IDC_EDIT2, OnChangeEdit2)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CUartDlg message handlers

BOOL CUartDlg::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
	//ccb=(CComboBox *)(this->GetDlgItem(IDC_COMBO_SNO));
	//ccb->SetCurSel(0);
	CString str;
	m_comb.SetCurSel(0);
	m_comb.GetLBText(m_comb.GetCurSel(),str);
	m_edit.SetWindowText(str);DWORD   style=WS_VISIBLE;

	//ced=(CEdit *)(this->GetDlgItem(IDC_EDIT_SHOW));
    //ced->SetDlgItemText(IDC_EDIT_SHOW, NULL);
	//ccb->SetEditSel


	// TODO: Add extra initialization here
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

void CUartDlg::OnEditchangeComboSno() 
{

   

//
//m_text=str;
//	this->SetDlgItemText(IDC_EDIT_SHOW,"dd");	
//UpdateData(false);
// TODO: Add your control notification handler code here
}

void CUartDlg::OnChangeEditShow() 
{


// TODO: If this is a RICHEDIT control, the control will not
	// send this notification unless you override the CDialog::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	// with the ENM_CHANGE flag ORed into the mask.
	
	// TODO: Add your control notification handler code here
}

void CUartDlg::OnSelchangeComboSno() 
{
CString str;
    m_comb.GetLBText(m_comb.GetCurSel(),str);
	m_edit.SetWindowText(str);	
	OnButton();
	//OnPaint();// TODO: Add your control notification handler code here
	
}


int CUartDlg::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	

	if (CDialog::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	// TODO: Add your specialized creation code here
	
	return 0;
}

BEGIN_EVENTSINK_MAP(CUartDlg, CDialog)
    //{{AFX_EVENTSINK_MAP(CUartDlg)
//	ON_EVENT(CUartDlg, IDC_MSCOMM, 1 /* OnComm */, OnOnCommMscomm, VTS_NONE)
	//}}AFX_EVENTSINK_MAP
END_EVENTSINK_MAP()

/*void CUartDlg::OnOnCommMscomm() 
{
VARIANT   m_input;
  char   *str,*str1;
  int   k,nEvent,i;
  CString   str2,m_RcvData;
  nEvent=m_MSComm.GetCommEvent();
  switch(nEvent)
  {
  case   2:
    k=m_MSComm.GetInBufferCount();           //接收缓冲区的字符数目
    if(k> 0)
    {
      m_input=m_MSComm.GetInput();
      str=(char*)(unsigned   char*)m_input.parray-> pvData;
    }
    i=0;
    str1=str;
    while(i<k)     
	{
      i++;
      str1++;
    }
    *str1= '\0 ';                                                            
    str2=(const   char*)str;                           //清除字符串中的不必要字符
    m_RcvData=(const   char   *)str;
  }
  //数据显示处理

m_disp+=m_RcvData;

UpdateData(false); 	// TODO: Add your control notification handler code here
	
}*/

void CUartDlg::OnButton() 
{
m_edit.SetWindowText("test");
m_disp="tsdsad";
OnChangeEdit2() ;
	// TODO: Add your control notification handler code here
	
}

void CUartDlg::OnChangeEdit2() 
{
	// TODO: If this is a RICHEDIT control, the control will not
UpdateData(false);	// send this notification unless you override the CDialog::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	// with the ENM_CHANGE flag ORed into the mask.
	
	// TODO: Add your control notification handler code here
	
}