aftntransdlg.cpp

此程序利用串口读取民航AFTN电报网中的AFTN信息

// AFTNTransDlg.cpp : implementation file
//

#include "stdafx.h"
#include "AFTNTrans.h"
#include "AFTNTransDlg.h"

#if !defined(_AFTNCOMM)
#define _AFTNCOMM
#define AFTN_COMM				1
#endif

#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()

/////////////////////////////////////////////////////////////////////////////
// CAFTNTransDlg dialog

CAFTNTransDlg::CAFTNTransDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CAFTNTransDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CAFTNTransDlg)
	m_strRxData = _T("");
	m_bConnected = FALSE;
	m_bLock = FALSE;
	m_strTxData = _T("");
	m_bAutoClear = FALSE;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDI_ICON_REDLEMP);
	m_pTelThread = NULL;
	pBitmap = new CBitmap;
	pBitmap->LoadBitmap(IDB_BITMAP_LIGHT);
	m_BitmapLights[0].LoadBitmap(IDB_BITMAP_REDLIGHT);
	m_BitmapLights[1].LoadBitmap(IDB_BITMAP_GREENLIGHT);
	m_BitmapLights[2].LoadBitmap(IDB_BITMAP_DEEPGREENLIGHT);
	m_nTxCount =0;
}

void CAFTNTransDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAFTNTransDlg)
	DDX_Control(pDX, IDC_BUTTON_PIN, m_ctrlPushPin);
	DDX_Text(pDX, IDC_EDIT_RXDATA, m_strRxData);
	DDX_Control(pDX, IDC_MSCOMM_AFTN, m_ctrlComm);
	DDX_Check(pDX, IDC_CHK_CONNECTED, m_bConnected);
	DDX_Check(pDX, IDC_CHK_LOCK, m_bLock);
	DDX_Text(pDX, IDC_EDIT_TXDATA, m_strTxData);
	DDX_Check(pDX, IDC_CHK_AUTOCLEAR, m_bAutoClear);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAFTNTransDlg, CDialog)
	//{{AFX_MSG_MAP(CAFTNTransDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_DESTROY()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_CHK_CONNECTED, OnConnect)
	ON_BN_CLICKED(IDC_BUTTON_CLEAR, OnButtonClear)
	ON_WM_SIZE()
	ON_BN_CLICKED(IDC_CHK_LOCK, OnChkLock)
	ON_BN_CLICKED(IDC_BUTTON_SEND, OnButtonSend)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CAFTNTransDlg message handlers

BOOL CAFTNTransDlg::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
	((CButton*)GetDlgItem(IDC_CHK_AUTOCLEAR))->SetCheck(TRUE);
	m_pTelThread = (CTelThread*)AfxBeginThread(RUNTIME_CLASS(CTelThread));
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CAFTNTransDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

void CAFTNTransDlg::OnDestroy()
{
	WinHelp(0L, HELP_QUIT);
	CDialog::OnDestroy();
}

// 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 CAFTNTransDlg::OnPaint() 
{

	// 灯的原始色
	if(!m_bConnected)
	((CStatic*)GetDlgItem(IDC_MAP_LIGHT))->CStatic::SetBitmap(HBITMAP(m_BitmapLights[0]));
	else
	((CStatic*)GetDlgItem(IDC_MAP_LIGHT))->CStatic::SetBitmap(HBITMAP(m_BitmapLights[2]));
		

	// 
	DWORD dw = DS_SYSMODAL;
	BOOL bl = FALSE;
	if(m_ctrlPushPin.IsPinned()) 
	{
		//dw |= DS_SYSMODAL;
		bl = ModifyStyle(0,dw);
	}
	else
	{
		//dw &= ~DS_SYSMODAL;
		bl = ModifyStyle(dw,0);
	}
	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 CAFTNTransDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CAFTNTransDlg::OnCancel() 
{
	// TODO: Add extra cleanup here
	if(m_bLock) return;
	if(m_ctrlComm.GetPortOpen())
		m_ctrlComm.SetPortOpen(FALSE);
	if(m_pTelThread)
	{
		m_pTelThread->PostThreadMessage(WM_QUIT,0,0);
	}
	CDialog::OnCancel();
}

BEGIN_EVENTSINK_MAP(CAFTNTransDlg, CDialog)
    //{{AFX_EVENTSINK_MAP(CAFTNTransDlg)
	ON_EVENT(CAFTNTransDlg, IDC_MSCOMM_AFTN, 1 /* OnComm */, OnAftnComm, VTS_NONE)
	//}}AFX_EVENTSINK_MAP
END_EVENTSINK_MAP()

static BYTE bt;
void CAFTNTransDlg::OnAftnComm() 
{	
	UpdateData();
	// 响应Comm口事件
	// TODO: Add your control notification handler code here
	m_hIcon = AfxGetApp()->LoadIcon(IDI_ICON_GREENLEMP);
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	((CStatic*)GetDlgItem(IDC_MAP_LIGHT))->CStatic::SetBitmap(HBITMAP(m_BitmapLights[1]));

//	VARIANT variant_inp;
//	COleSafeArray safearray_inp;
//	long len,k;
//	BYTE rxdata[2048];	// 设置BYTE数组 An 8-bit integerthat is not signed.

	if(m_ctrlComm.GetCommEvent()==2)	// 事件值为2表示接收缓冲区内有字符
	{					///以下你可以根据自己的通信协议加入处理代码
		variant_inp = m_ctrlComm.GetInput();	// 读缓冲区
		safearray_inp = variant_inp;	// VARIANT型变量转换为ColeSafeArray型变量
		len = safearray_inp.GetOneDimSize();	// 得到有效数据长度
        for(k=0;k<len;k++)
            safearray_inp.GetElement(&k,rxdata+k);//转换为BYTE型数组
		bValid = FALSE;
        for(k=0;k<len;k++)	// 将数组转换为CString型变量
		{
			m_nTxCount++;
			// 监测收到的字符，如果是无效的字符删除。
			bt = *(char*)(rxdata+k);	// 字符型
			if(bt>='0'&&bt<='9')
				bValid = TRUE;
			else if(bt>='A'&&bt<='Z')
				bValid = TRUE;
			else if(bt==' '||bt==10/*||bt==13*/||bt=='/'||bt=='('||bt==')'
							||bt=='-'||bt=='='||bt==':'||bt==','||bt=='.'||bt=='+'||bt==';')
				bValid = TRUE;
			else bValid = FALSE;

			if(bValid)
			{
				if(bt==10)
				{
					strtemp.Format("%c%c",13,10);
					if(m_strRxData.Right(2)!=strtemp)
					{
						m_strRxData+=strtemp;
					}
				}
				else
				{
					strtemp.Format("%c",bt);	// 将字符送入临时变量strtemp存放
					m_strRxData+=strtemp;		// 加入接收编辑框对应字符串
				}
			}
			// 在电报结尾"NNNN"后加上换行
//			if(m_strRxData.Right(4)=="NNNN")
			if(m_strRxData.Right(3)==m_sChannel)
			{
				m_pTelThread->PostThreadMessage(WM_TELRV,0,0);
//				bt = 13;
//				strtemp.Format("%c",bt);
//				m_strRxData+=strtemp;
//				bt = 10;
//				strtemp.Format("%c",bt);
//				m_strRxData+=strtemp;
				if(m_strRxData.GetLength()>=99999||(m_bAutoClear&&m_strRxData.GetLength()>=999))
				{	OnButtonClear(); m_strRxData=m_sChannel;	}
			}

		}
	}

	strTxRv.LoadString(IDS_TXRV);
	strtemp.Format("%10d",m_nTxCount);
	strTxRv+=strtemp;
	GetDlgItem(IDC_STA_TXRV)->SetWindowText(strTxRv);
	
	UpdateData(FALSE);	// 更新编辑框内容

	((CEdit*)GetDlgItem(IDC_EDIT_RXDATA))->SetSel(m_strRxData.GetLength(),m_strRxData.GetLength());
	Sleep(100);

	m_hIcon = AfxGetApp()->LoadIcon(IDI_ICON_DEEPGREENLEMP);
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon

	((CStatic*)GetDlgItem(IDC_MAP_LIGHT))->CStatic::SetBitmap(HBITMAP(m_BitmapLights[2]));

}

void CAFTNTransDlg::OnConnect() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	CString strInfo;
	strInfo.LoadString(IDS_ATFNCOMMINFO);
	m_sChannel = "ZBD";	
	CString strConnect;
	if(!m_bConnected)
	{
		if(m_ctrlComm.GetPortOpen())
			m_ctrlComm.SetPortOpen(FALSE);
		GetDlgItem(IDC_STA_AFTNINFO)->SetWindowText(strInfo);
		strConnect.LoadString(IDS_CONNECT);
		
		m_hIcon = AfxGetApp()->LoadIcon(IDI_ICON_REDLEMP);
		SetIcon(m_hIcon, TRUE);			// Set big icon
		SetIcon(m_hIcon, FALSE);		// Set small icon
		GetDlgItem(IDC_CHK_CONNECTED)->SetWindowText(strConnect);
		((CStatic*)GetDlgItem(IDC_MAP_LIGHT))->CStatic::SetBitmap(HBITMAP(m_BitmapLights[0]));

	}
	else
	{
		m_ctrlComm.SetCommPort(1); //选择com1

		if(m_ctrlComm.GetPortOpen())
			m_ctrlComm.SetPortOpen(FALSE);


		if( !m_ctrlComm.GetPortOpen())
		{
			((CButton*)GetDlgItem(IDC_CHK_CONNECTED))->SetCheck(FALSE);
			m_bConnected = FALSE;
			
			m_hIcon = AfxGetApp()->LoadIcon(IDI_ICON_REDLEMP);
			SetIcon(m_hIcon, TRUE);			// Set big icon
			SetIcon(m_hIcon, FALSE);		// Set small icon
			((CStatic*)GetDlgItem(IDC_MAP_LIGHT))->CStatic::SetBitmap(HBITMAP(m_BitmapLights[0]));
//			GetDlgItem(IDC_CHK_CONNECTED)->Invalidate();
			
			m_ctrlComm.SetPortOpen(TRUE);//打开串口

			m_ctrlComm.SetSettings("300,n,8,1"); //波特率300，无校验，8个数据位，1个停止位 
			m_ctrlComm.SetInputMode(1); //1：表示以二进制方式检取数据
			m_ctrlComm.SetRThreshold(1); 
			//参数1表示每当串口接收缓冲区中有多于或等于1个字符时将引发一个接收数据的OnComm事件

			m_ctrlComm.GetInput();//先预读缓冲区以清除残留数据
			m_ctrlComm.SetInputLen(0); //设置当前接收区数据长度为0


			((CButton*)GetDlgItem(IDC_CHK_CONNECTED))->SetCheck(TRUE);
			m_bConnected = TRUE;
			GetDlgItem(IDC_CHK_CONNECTED)->Invalidate();
			strInfo+="300,n,8,1";
			GetDlgItem(IDC_STA_AFTNINFO)->SetWindowText(strInfo);
			m_hIcon = AfxGetApp()->LoadIcon(IDI_ICON_DEEPGREENLEMP);
			SetIcon(m_hIcon, TRUE);			// Set big icon
			SetIcon(m_hIcon, FALSE);		// Set small icon

			((CStatic*)GetDlgItem(IDC_MAP_LIGHT))->CStatic::SetBitmap(HBITMAP(m_BitmapLights[2]));

			strConnect.LoadString(IDS_DISCONNECT);
			GetDlgItem(IDC_CHK_CONNECTED)->SetWindowText(strConnect);
		}
		else
			AfxMessageBox("cannot open serial port");
	}
}

void CAFTNTransDlg::OnButtonClear() 
{

	m_strRxData="";
	UpdateData(FALSE);
	
//	strTxRv.LoadString(IDS_TXRV);
//	strtemp1.Format("%7d",m_strRxData.GetLength());
//	strTxRv+=strtemp1;
//	GetDlgItem(IDC_STA_TXRV)->SetWindowText(strTxRv);
	m_strRxData.FreeExtra();
	
}


void CAFTNTransDlg::OnSize(UINT nType, int cx, int cy) 
{
	CDialog::OnSize(nType, cx, cy);
	
}

void CAFTNTransDlg::OnChkLock() 
{
	UpdateData(TRUE);
	if(m_bLock)
	{
		GetDlgItem(IDC_BUTTON_SET)->EnableWindow(FALSE);
		GetDlgItem(IDCANCEL)->EnableWindow(FALSE);
		GetDlgItem(IDC_CHK_CONNECTED)->EnableWindow(FALSE);
		GetDlgItem(IDC_BUTTON_SAVESET)->EnableWindow(FALSE);
		GetDlgItem(IDC_CMB_PARITY)->EnableWindow(FALSE);
		GetDlgItem(IDC_CMB_SERIALPORT)->EnableWindow(FALSE);
		GetDlgItem(IDC_CMB_BAUDRATE)->EnableWindow(FALSE);
		GetDlgItem(IDC_CMB_DATABYTE)->EnableWindow(FALSE);
		GetDlgItem(IDC_CMB_STOPBYTE)->EnableWindow(FALSE);
	}
	else
	{
		GetDlgItem(IDC_BUTTON_SET)->EnableWindow(TRUE);
		GetDlgItem(IDCANCEL)->EnableWindow(TRUE);
		GetDlgItem(IDC_CHK_CONNECTED)->EnableWindow(TRUE);
	}

}


void CAFTNTransDlg::OnButtonSend() 
{
	UpdateData(TRUE); //读取编辑框内容
	m_ctrlComm.SetOutput(COleVariant(m_strTxData));//发送数据	
}