nandlg.cpp

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/************************************************************************/
/*                                                                      */
/*   MODULE:    chuankouTest                                            */
/*   DATE:       23/7/2006                                             */
/*   PROGRAMMER: jiannan liu                                            */
/*        
/***********************************************************************/

// NanDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Nan.h"
#include "NanDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CNanDlg dialog

CNanDlg::CNanDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CNanDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CNanDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CNanDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CNanDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	DDX_Control(pDX,IDC_EDITSEND,m_EditSend);
	DDX_Control(pDX,IDC_EDITRCV,m_EditRcv);
	DDX_Control(pDX,IDC_CLOSECOM,m_CloseCom);
	DDX_Control(pDX,IDC_OPENCOM,m_OpenCom);
	DDX_Control(pDX,IDC_DATASEND,m_DataSend);
	DDX_Control(pDX,IDC_BTNRECEIVE,m_BtnReceive);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CNanDlg, CDialog)
	//{{AFX_MSG_MAP(CNanDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_OPENCOM, OnOpencom)
	ON_BN_CLICKED(IDC_DATASEND, OnDatasend)
	ON_BN_CLICKED(IDC_BTNRECEIVE, OnBtnreceive)
	ON_BN_CLICKED(IDC_CLOSECOM, OnClosecom)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CNanDlg message handlers

BOOL CNanDlg::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
	m_OpenCom.EnableWindow(TRUE);
	m_CloseCom.EnableWindow(FALSE);
	m_DataSend.EnableWindow(TRUE);
	m_BtnReceive.EnableWindow(FALSE);
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

void CNanDlg::OnOpencom() 
{
	// TODO: Add your control notification handler code here
	m_hCom=CreateFile("COM1",
		              GENERIC_READ|GENERIC_WRITE,
					  0,
					  NULL,
					  OPEN_EXISTING,
					  FILE_ATTRIBUTE_NORMAL,
					  NULL
					   );
	if(m_hCom!=INVALID_HANDLE_VALUE)
	{
		SetupComm(m_hCom,1024,512);
		DCB  dcb;   
		GetCommState(m_hCom,&dcb);   
		dcb.BaudRate=9600;
		dcb.fBinary=TRUE;    
	    dcb.fParity=TRUE;   
		dcb.ByteSize=8;     
		SetCommState(m_hCom,&dcb);
		AfxMessageBox("串口打开成功!");
		blnOpened=true;
        m_OpenCom.EnableWindow(FALSE);
		m_CloseCom.EnableWindow(FALSE);
        m_DataSend.EnableWindow(TRUE);
		m_BtnReceive.EnableWindow(FALSE);
	}
	else
	{
		AfxMessageBox("串口打开失败!");
		blnOpened=false;
	}
	
}

void CNanDlg::OnDatasend() 
{
	// TODO: Add your control notification handler code here
	CString str;
	m_EditSend.GetWindowText(str);

	DWORD dwNan;
	BOOL b;
	b=::WriteFile(m_hCom,str.GetBuffer(str.GetLength()),str.GetLength(),&dwNan,NULL);
	if(!b)
	{
	  AfxMessageBox("发送失败!");
	  
	}
    m_OpenCom.EnableWindow(FALSE);
	m_CloseCom.EnableWindow(FALSE);
	m_DataSend.EnableWindow(FALSE);
	m_BtnReceive.EnableWindow(TRUE);
}

void CNanDlg::OnBtnreceive() 
{
	// TODO: Add your control notification handler code here
    
    
	BYTE Buff[512];
	DWORD dwBytesRead;
	BOOL b;
	
	b=::ReadFile(m_hCom,Buff,15,&dwBytesRead,NULL);
	Buff[dwBytesRead]='\0';
	
	Beep(1000,10);
	
	 if(!b)
	 {
	   AfxMessageBox("接收失败!");
	 }
	 SetDlgItemText(IDC_EDITRCV,(LPCTSTR)Buff);
	 m_OpenCom.EnableWindow(FALSE);
	 m_CloseCom.EnableWindow(TRUE);
	 m_DataSend.EnableWindow(FALSE);
	 m_BtnReceive.EnableWindow(FALSE);
}

void CNanDlg::OnClosecom() 
{
	// TODO: Add your control notification handler code here

	if((blnOpened)&&(m_hCom!=NULL))
    {
		CloseHandle(m_hCom);
		AfxMessageBox("串口已经关闭!");
		blnOpened=false;
		m_OpenCom.EnableWindow(TRUE);
		m_CloseCom.EnableWindow(FALSE);
        m_DataSend.EnableWindow(FALSE);
		m_BtnReceive.EnableWindow(FALSE);
	}
	else
	{
		AfxMessageBox("串口没有打开!");

    }
}

void CNanDlg::OnOK() 
{
	// TODO: Add extra validation here
	
	CDialog::OnOK();
}