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开发环境vc++6.0 计算机无线串口通讯程序

// 计算机无线通信串口程序Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "计算机无线通信串口程序.h"
#include "计算机无线通信串口程序Dlg.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()

/////////////////////////////////////////////////////////////////////////////
// CMyDlg dialog

CMyDlg::CMyDlg(CWnd* pParent /*=NULL*/)
: CDialog(CMyDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CMyDlg)
	m_strRXData = _T("");
	m_strTXData = _T("");
	m_strTrack2 = _T("");
	m_strTrack = _T("");
	m_strSpeed2 = _T("");
	m_strSpeed = _T("");
	m_strNo2 = _T("");
	m_strNo = _T("");
	m_strLongitude2 = _T("");
	m_strLongitude = _T("");
	m_strLatitude2 = _T("");
	m_strLatitude = _T("");
	m_iDirection = -1;
	m_strDirection2 = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CMyDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMyDlg)
	DDX_Control(pDX, IDC_CHECK_SEND, m_ctrlHexSend);
	DDX_Control(pDX, IDC_CHECK_DISPLAY, m_ctrlHexDisplay);
	DDX_Control(pDX, IDC_COMBO1, m_combox);
	DDX_Control(pDX, IDC_MSCOMM1, m_ctrlComm);
	DDX_Text(pDX, IDC_EDIT_RXDATA, m_strRXData);
	DDX_Text(pDX, IDC_EDIT_TXDATA, m_strTXData);
	DDX_Text(pDX, IDC_EDIT_TRACK2, m_strTrack2);
	DDX_Text(pDX, IDC_EDIT_TRACK, m_strTrack);
	DDX_Text(pDX, IDC_EDIT_SPEED2, m_strSpeed2);
	DDX_Text(pDX, IDC_EDIT_SPEED, m_strSpeed);
	DDX_Text(pDX, IDC_EDIT_NO2, m_strNo2);
	DDX_Text(pDX, IDC_EDIT_NO, m_strNo);
	DDX_Text(pDX, IDC_EDIT_LONGITUDE2, m_strLongitude2);
	DDX_Text(pDX, IDC_EDIT_LONGITUDE, m_strLongitude);
	DDX_Text(pDX, IDC_EDIT_LATITUDE2, m_strLatitude2);
	DDX_Text(pDX, IDC_EDIT_LATITUDE, m_strLatitude);
	DDX_CBIndex(pDX, IDC_COMBO_DIRECTION, m_iDirection);
	DDX_Text(pDX, IDC_EDIT_DIRECTION2, m_strDirection2);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CMyDlg, CDialog)
//{{AFX_MSG_MAP(CMyDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_BUTTON_MANUALSEND, OnButtonManualsend)
ON_BN_CLICKED(IDC_BUTTON_CLEAR1, OnButtonClear1)
ON_BN_CLICKED(IDC_BUTTON_CLEAR2, OnButtonClear2)
ON_BN_CLICKED(IDC_BUTTON1, OnEXIT)
ON_CBN_SELCHANGE(IDC_COMBO1, OnSelchangeCombo1)
ON_WM_TIMER()
ON_BN_CLICKED(IDC_CHECK_AUTOSEND, OnCheckAutosend)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMyDlg message handlers

BOOL CMyDlg::OnInitDialog()
{
	CDialog::OnInitDialog();
	//	CDialog::OnInitDialog();
	
	//	CString strTemp;
	//	strTemp.Format("%d", m_dcb.BaudRate);
	//	((CComboBox*)GetDlgItem(IDC_BAUDRATECOMBO))->SelectString(0, strTemp);
	
	// 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
	//if(m_ctrlComm.GetPortOpen())
	//m_ctrlComm.SetPortOpen(FALSE);
/*
	m_ctrlComm.SetCommPort(1); //选择com1
	if( !m_ctrlComm.GetPortOpen())
		m_ctrlComm.SetPortOpen(TRUE);//打开串口
	else
		AfxMessageBox("cannot open serial port");
	m_ctrlComm.SetSettings("1200,n,8,1"); //波特率9600，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.SetInputLen(0); //设置当前接收区数据长度为0
	m_ctrlComm.GetInput();//先预读缓冲区以清除残留数据
*/
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

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

void CMyDlg::OnComm() 
{
	// TODO: Add your control notification handler code here
	//  VARIANT variant_inp; 
	//COleSafeArray safearray_inp;
	//LONG len,k; 
	//BYTE rxdata[2048]; //设置BYTE数组 An 8-bit integerthat is not signed.  
	//CString strtemp;  
	//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     
	//for(k=0;k<len;k++) //将数组转换为Cstring型变量      
	//{         
	//   BYTE bt=*(char*)(rxdata+k); //字符型     
	//  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      
	//   }  
	//}   
	//UpdateData(FALSE); //更新编辑框内容
	//}
	VARIANT variant_inp;
	COleSafeArray safearray_inp;
	LONG len,k;
	BYTE rxdata[2048]; //设置BYTE数组 An 8-bit integerthat is not signed.
	CString strtemp;
	char *Delimiter = "=";   //分隔符

	if(m_ctrlComm.GetCommEvent()==2) //事件值为2表示接收缓冲区内有字符
	{
		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	
		CString Edit[6];

		for ( int i = 0; i < 6; i++ ) {
			Edit[i] = _T("");
		}

		for(k=0;k<len;k++)
			safearray_inp.GetElement(&k,rxdata+k);//转换为BYTE型数组
		for(k=0;k<len;k++) //将数组转换为Cstring型变量
		{
			BYTE bt=*(char*)(rxdata+k); //字符型	
		    
			if(m_ctrlHexDisplay.GetCheck())
				strtemp.Format("%02X ",bt); //将字符以十六进制方式送入临时变量strtemp存放，注意这里加入一个空隔
			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 			
		}	
	//	AfxMessageBox(m_strRXData);
		int len = m_strRXData.GetLength();
		char *buf =(char *)malloc( sizeof( char ) * len );
		if ( buf == NULL ) {
			AfxMessageBox("内存空间不足！");
			return;
		}
		strcpy( buf, (LPCTSTR)m_strRXData );
		char *token = strtok( buf, Delimiter );
		int iIndex = 0;
		while ( token != NULL ) {
			iIndex ++;
			Edit[iIndex] = token;
			token = strtok( NULL, Delimiter );
		}
		if ( iIndex != 5 ) {
			AfxMessageBox( "部分信息丢失！" );
		}
		m_strNo2        = Edit[0];
		m_strTrack2     = Edit[1];
		m_strDirection2 = Edit[2];
		m_strSpeed      = Edit[3];
		m_strLongitude  = Edit[4];
		m_strLatitude   = Edit[5];

	}
	UpdateData(FALSE); //更新编辑框内容
}

void CMyDlg::OnButtonManualsend() 
{
	char chDelimiter = '=';
	// TODO: Add your control notification handler code here
	//UpdateData(TRUE); //读取编辑框内容
	//m_ctrlComm.SetOutput(COleVariant(m_strTXData));//发送数俱据	
	UpdateData(TRUE); //读取编辑框内容

	if ( m_strNo.IsEmpty() ){
		m_strNo = "NULL";
	}	
	if ( m_strNo.Find( chDelimiter,0 ) >= 0 ) {
		AfxMessageBox( "车号中不能输入\"=\"");
		return ;
	}
	
	if (m_strTrack.IsEmpty() ) {
		m_strTrack = "NULL";
	}
	if ( m_strTrack.Find( chDelimiter,0 ) >= 0 ) {
		AfxMessageBox( "轨道号不能输入\"=\"");
		return ;
	}
	
	if ( m_strSpeed.IsEmpty() ) {
		m_strSpeed = "NULL";
	}
	if ( m_strSpeed.Find( chDelimiter,0 ) >= 0 ) {
		AfxMessageBox( "速度中不能输入\"=\"");
		return ;
	}	

	if ( m_strLongitude.IsEmpty() ) {
		m_strLongitude = "NULL";
	}
	if ( m_strLongitude.Find( chDelimiter,0 ) >= 0 ) {
		AfxMessageBox( "经度中不能输入\"=\"");
		return ;
	}
	
	if ( m_strLatitude.IsEmpty() ) {
		m_strLatitude = "NULL";
	}
	if ( m_strLatitude.Find( chDelimiter,0 ) >=  0 ) {
		AfxMessageBox( "纬度中不能输入\"=\"");
		return ;
	}
	
	LPCTSTR strDirection ;
	switch ( m_iDirection ){
	case 0: strDirection = "上行";
		    break;
	case 1: strDirection = "下行";
			break;
	default:strDirection = "NULL";
		    break;
	}
	
	m_strTXData = m_strNo +'=' + m_strTrack + '=' + strDirection + '='
		          + m_strSpeed + '=' + m_strLongitude + '=' + m_strLatitude ;
	if(m_ctrlHexSend.GetCheck())
	{
		CByteArray hexdata;
		int len=String2Hex(m_strTXData,hexdata); //此处返回的len可以用于计算发送了多少个十六进制数
		
		
		m_ctrlComm.SetOutput(COleVariant(hexdata)); //发送十六进制数据
	}
	else 
		m_ctrlComm.SetOutput(COleVariant(m_strTXData));//发送ASCII字符数据
	
}

void CMyDlg::OnButtonClear2() 
{
	m_strRXData.Empty();
	m_strNo.Empty();
	m_strTrack.Empty();
	m_iDirection = -1;
	m_strSpeed.Empty();
	m_strLongitude.Empty();
	m_strLatitude.Empty();
	UpdateData(FALSE);	
}

void CMyDlg::OnButtonClear1() 
{
	m_strTXData.Empty();
	m_strNo2.Empty();
	m_strTrack2.Empty();
	m_strDirection2.Empty();
	m_strSpeed2.Empty();
	m_strLongitude2.Empty();
	m_strLatitude2.Empty();
	UpdateData(FALSE);
	// TODO: Add your control notification handler code here
}

void CMyDlg::OnEXIT() 
{
	OnOK();	// TODO: Add your control notification handler code here
	
}

void CMyDlg::OnSelchangeCombo1() 
{
	// TODO: Add your control notification handler code here
	m_value=m_combox.SelectString(-1,0);
	
	char sBaudrate[32];
	char sSettings[40];
	
	m_ctrlComm.SetCommPort(1); //选择com1
	if( !m_ctrlComm.GetPortOpen())
		m_ctrlComm.SetPortOpen(TRUE);//打开串口
	else {
		//AfxMessageBox("cannot open serial port");		
	}

	m_combox.GetWindowText( (char *)sBaudrate, 31 );	
    sprintf( sSettings, "%s,n,8,1",sBaudrate );

	m_ctrlComm.SetSettings( sSettings );
//	m_ctrlComm.SetSettings("1200,n,8,1"); //波特率9600，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.SetInputLen(0); //设置当前接收区数据长度为0
	m_ctrlComm.GetInput();//先预读缓冲区以清除残留数据

    
	
	//for temp debug
//	m_FromCombox.SetSel( 0 , -1 );
//	m_FromCombox.ReplaceSel( sBaudrate );
	
	
	
}
//由于这个转换函数的格式限制，在发送框中的十六制字符应该每两个字符之间插入一个空隔
//如：A1 23 45 0B 00 29
//CByteArray是一个动态字节数组，可参看MSDN帮助
int CMyDlg::String2Hex(CString str, CByteArray &senddata)
{
	int hexdata,lowhexdata;
	int hexdatalen=0;
	int len=str.GetLength();
	senddata.SetSize(len/2);
	for(int i=0;i<len;)
	{
		char lstr,hstr=str[i];
		if(hstr==' ')
		{
			i++;
			continue;
		}
		i++;
		if(i>=len)
			break;
		lstr=str[i];
		hexdata=ConvertHexChar(hstr);
		lowhexdata=ConvertHexChar(lstr);
		if((hexdata==16)||(lowhexdata==16))
			break;
		else 
			hexdata=hexdata*16+lowhexdata;
		i++;
		senddata[hexdatalen]=(char)hexdata;
		hexdatalen++;
	}
	senddata.SetSize(hexdatalen);
	return hexdatalen;
}

//这是一个将字符转换为相应的十六进制值的函数
//功能：若是在0-F之间的字符，则转换为相应的十六进制字符，否则返回-1
char CMyDlg::ConvertHexChar(char ch) 
{
	if((ch>='0')&&(ch<='9'))
		return ch-0x30;
	else if((ch>='A')&&(ch<='F'))
		return ch-'A'+10;
	else if((ch>='a')&&(ch<='f'))
		return ch-'a'+10;
	else return (-1);
}

void CMyDlg::OnTimer(UINT nIDEvent) 
{
	// TODO: Add your message handler code here and/or call default
	
	OnButtonManualsend();
    CDialog::OnTimer(nIDEvent);
	
}


void CMyDlg::OnCheckAutosend() 
{
	// TODO: Add your control notification handler code here
	m_bAutoSend=FALSE;
	m_bAutoSend=!m_bAutoSend;
    if(m_bAutoSend)
	{
		SetTimer(1,1000,NULL);//时间为1000毫秒
	}
    else
	{
		KillTimer(1);  //取消定时
	}
}