commtestdlg.cpp

实现串口通信测试的程序

// CommTestDlg.cpp : implementation file
//

#include "stdafx.h"
#include "CommTest.h"
#include "CommTestDlg.h"
#include "string.h"

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

#define BUF_SIZE 1024
#define MAX_LEN  512


/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

char 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);
}

int HexToStr(CString str,CByteArray &senddata)
{										//将一个字符串作为十六进制串转化为一个字节数组，字节间可用空格分隔，返回转换后的字节数组长度，同时字节数组长度自动设置。
	int hexdata,lowhexdata;
	int hexdatalen=0;

	str+=' ';							// 保证将类似 123 的输入 能转换成 12 03 的形式；
	int len=str.GetLength();	
	senddata.SetSize(len/2);			// 将一串16进制数 转换成字符串如：61 73 64 66 67 在转换成 “asdfg “ ;
										// 两位16进制数 代表一个字符   如：61 是字符 a ;
	
	for(int i=0;i<len;)					// "123" -> 12 03
	{
		char lstr,hstr=str[i];
		if(hstr==' '||hstr=='\n'||hstr=='\r')
		{
			i++;
			continue;
		}
		i++;
		if(i>=len)
			break;
		lstr=str[i];
		if (lstr==' ')         // 当低位是' '时，说明只有一位 16进制数，此时高位=0 ，低位=高位；

        {
			hexdata=ConvertHexChar('0');
		    lowhexdata=ConvertHexChar(hstr);
        }
		else
		{
		    hexdata=ConvertHexChar(hstr);
		    lowhexdata=ConvertHexChar(lstr);
		}
        
		if ((hexdata==-1)||(lowhexdata==-1)) return ( -1);
		if((hexdata==16)||(lowhexdata==16))
			break;
		else  
			hexdata=hexdata*16+lowhexdata;
		i++;
		senddata[hexdatalen]=(char)hexdata;
		hexdatalen++;
	}
    
	senddata.SetSize(hexdatalen);
	return hexdatalen;
}

void MesBox(LPCSTR   str)  //::AfxGetApp()->m_pMainWnd->m_hWnd 
{
	::MessageBox(NULL, str,"Error",MB_OK|MB_ICONINFORMATION);
}
 
int HexToChar(CString &str)
{										//将一个字符串作为十六进制串转化为一个字节数组，字节间可用空格分隔，返回转换后的字节数组长度，同时字节数组长度自动设置。
	int hexdata,lowhexdata;
	int hexdatalen=0;
    CString d_str;
	str+=' ';							// 保证将类似 123 的输入 能转换成 12 03 的形式；
	int len=str.GetLength();	
			// 将一串16进制数 转换成字符串如：61 73 64 66 67 在转换成 “asdfg “ ;
										// 两位16进制数 代表一个字符   如：61 是字符 a ;
	
	for(int i=0;i<len;)					// "123" -> 12 03
	{
		char lstr,hstr=str[i];
		if(hstr==' ')
		{
			i++;
			continue;
		}
		i++;
		if(i>=len)
			break;
		lstr=str[i];
		if (lstr==' ')         // 当低位是' '时，说明只有一位 16进制数，此时高位=0 ，低位=高位；

        {
			hexdata=ConvertHexChar('0');
		    lowhexdata=ConvertHexChar(hstr);
        }
		else
		{
		    hexdata=ConvertHexChar(hstr);
		    lowhexdata=ConvertHexChar(lstr);
		}
        
		if ((hexdata==-1)||(lowhexdata==-1)) return ( -1);
		if((hexdata==16)||(lowhexdata==16))
			break;
		else  
			hexdata=hexdata*16+lowhexdata;
		i++;
		d_str.Insert(i,(char)hexdata);
		hexdatalen++;
	}
    str=d_str;
    return 1;
}



//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%



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()

/////////////////////////////////////////////////////////////////////////////
// CCommTestDlg dialog

CCommTestDlg::CCommTestDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CCommTestDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CCommTestDlg)
	m_maxLen = 0;
	m_ReceiveData = _T("");
	m_sendTime = 0;
	m_SendData = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CCommTestDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CCommTestDlg)
	DDX_Control(pDX, IDC_HEX_RECEIVE, m_hexreceive);
	DDX_Control(pDX, IDC_HEX_SEND,m_hexsend);
	DDX_Control(pDX, IDC_MSCOMM1, m_comm);
	DDX_Text(pDX, IDC_MAXLEN, m_maxLen);
	DDX_Text(pDX, IDC_RECEIVE, m_ReceiveData);
	DDX_Text(pDX, IDC_TIME, m_sendTime);
	DDX_Text(pDX, IDC_SEND, m_SendData);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CCommTestDlg, CDialog)
	//{{AFX_MSG_MAP(CCommTestDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_COMMAND(ID_CLEAR, OnClear)
	ON_COMMAND(ID_CLOSE_PORT, OnClosePort)
	ON_COMMAND(ID_OPEN_FILE, OnOpenFile)
	ON_COMMAND(ID_OPEN_PORT, OnOpenPort)
	ON_COMMAND(ID_SEND, OnSend)
	ON_COMMAND(ID_SET_PORT, OnSetPort)
	ON_BN_CLICKED(IDC_ASCII_RECEIVE, OnAsciiReceive)
	ON_BN_CLICKED(IDC_HEX_RECEIVE, OnHexReceive)
	ON_BN_CLICKED(IDC_ASCII_SEND, OnAsciiSend)
	ON_BN_CLICKED(IDC_HEX_SEND, OnHexSend)
	ON_BN_CLICKED(IDC_AUTOSEND, OnAutosend)
	ON_EN_CHANGE(IDC_SEND, OnChangeSend)
	ON_WM_TIMER()
	
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCommTestDlg message handlers

BOOL CCommTestDlg::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
	
//if(!m_wndToolBar.Create(this,
	//			WS_CHILD|WS_VISIBLE|CBRS_TOP|CBRS_TOOLTIPS|CBRS_FLYBY|CBRS_HIDE_INPLACE|CBRS_SIZE_DYNAMIC)
	//			||!m_wndToolBar.LoadToolBar(IDR_MAINFRAME)){
	//	TRACE0("Failed to create the tool bar!\n");
	//	return -1;
	//}
    	if (!m_wndToolBar.CreateEx(this,TBSTYLE_FLAT|TBSTYLE_LIST, WS_CHILD | WS_VISIBLE | CBRS_TOP
		| CBRS_GRIPPER | CBRS_TOOLTIPS | CBRS_FLYBY | CBRS_SIZE_DYNAMIC) ||
		!m_wndToolBar.LoadToolBar(IDR_MAINFRAME))
	{
		TRACE0("Failed to create toolbar\n");
		return -1;      // fail to create
	}
									// LPCTSTR lpszWindow;
									//	HWND hwnd=NULL;
									//	hwnd=FindWindowEx(::AfxGetApp()->m_pMainWnd->m_hWnd,NULL,"CToolBar",lpszWindow);
									//    ::SetWindowPos(hwnd,wndNoTopMost  ,0,0,455,40,SWP_NOSIZE);
									//::SetParent(::AfxGetApp()->m_pMainWnd->m_hWnd,hwnd);
	
	m_wndToolBar.GetToolBarCtrl().ModifyStyle(0,TBSTYLE_FLAT);
	m_wndToolBar.MoveWindow(0,0,585,43);


	DWORD dwExStyle = TBSTYLE_EX_DRAWDDARROWS;
	m_wndToolBar.GetToolBarCtrl().SendMessage(TB_SETEXTENDEDSTYLE, 0, (LPARAM)dwExStyle);
	
	DWORD dwStyle = m_wndToolBar.GetButtonStyle(m_wndToolBar.CommandToIndex(ID_OPEN_PORT));
	//dwStyle |= TBSTYLE_DROPDOWN;
	m_wndToolBar.SetButtonStyle(m_wndToolBar.CommandToIndex(ID_OPEN_PORT), dwStyle);
    m_wndToolBar.SetButtonText( 0, "打开" );
    m_wndToolBar.SetButtonText( 1, "关闭" );
	m_wndToolBar.SetButtonText( 2, "设置" );
	m_wndToolBar.SetButtonText( 4, "调入" );
	m_wndToolBar.SetButtonText( 5, "发送" );
	m_wndToolBar.SetButtonText( 6, "清除" );
	dwStyle=TBBS_SEPARATOR   ;
    m_wndToolBar.SetButtonStyle(m_wndToolBar.CommandToIndex(ID_SEP), dwStyle);
	
									//m_wndToolBar.EnableDocking(CBRS_ALIGN_ANY);
										// EnableDocking(CBRS_ALIGN_ANY);
									// DockControlBar(&m_wndToolBar);
	//	生成状态栏；

	HWND hDlg=GetSafeHwnd();
	HINSTANCE hInstance=AfxGetInstanceHandle();

    hStatusWindow=CreateStatusWindow(WS_CHILD|WS_VISIBLE|WS_BORDER| CBRS_BOTTOM|SBARS_SIZEGRIP   ,
	TEXT(""),//显示在状态栏上的信息
	hDlg, //父窗口句柄
	AFX_IDW_STATUS_BAR); //预定义的资源ID
	
	initParams();  // 初始化参数


	int pint[5]={60,140,240,380,-1};//110,250,300设定间隔
    ::SendMessage(hStatusWindow,SB_SETPARTS,5,(LPARAM)pint);

	SetSBtext(0," ",1);
	SetSBtext(1," ",1);
	SetSBtext(2," ",1);
	SetSBtext(3," ",1);


	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CCommTestDlg::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 CCommTestDlg::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();
	}
	//WHITE_BRUSH

	OnWRdraw();
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CCommTestDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CCommTestDlg::OnClear()
{
    m_ReceiveData.Empty();
	Len_Receive=0;
	UpdateData(FALSE);

	SetSBtext(3," ",1);             // 更新状态栏

}

void CCommTestDlg::OnClosePort()
{
  	if(m_AutoSend==TRUE)		
    {
	
		HWND hwnd= ::GetDlgItem(this ->m_hWnd,IDC_AUTOSEND);
        ::SendMessage(hwnd, BM_SETCHECK, 0, 0);

		m_AutoSend=FALSE;
        KillTimer(1);	
	}

	if( m_comm.GetPortOpen())
	{
		PortIsOpen=FALSE;
		m_comm.SetPortOpen(FALSE);
                                      //置绘制标志;关闭串口--白色
		drawPortSet=PORTCLOSE;
		InvalidateRect(&m_regin,TRUE);
	}
	SetSBtext(1," ",1);             // 更新状态栏

    //工具栏按钮：关闭，清除，发送 为禁止状态
	OnUpdateTBottonStatus(ID_CLOSE_PORT,FALSE);
	OnUpdateTBottonStatus(ID_OPEN_PORT,TRUE);
	OnUpdateTBottonStatus(ID_SEND,FALSE);
	//OnUpdateTBottonStatus(ID_CLEAR,FALSE);

}


void CCommTestDlg::OnOpenPort()
{
	CString m_strSettings;
	m_strSettings.Format( "%d,%c,%d,%d",PortInfo.BaudRate, PortInfo.Parity ,\
		                  PortInfo.ByteSize,PortInfo.StopBits );

							//m_strSettings = _T("9600,n,8,1");

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

	m_comm.SetCommPort(CurrentPort);				//选择com1
	if( !m_comm.GetPortOpen())
	{
		m_comm.SetPortOpen(TRUE);		//打开串口
        PortIsOpen=TRUE;                //置打开标志
		SetSBtext(1," ",1);             // 更新状态栏
                                        //更新工具栏
		OnUpdateTBottonStatus(ID_CLOSE_PORT,TRUE);
		OnUpdateTBottonStatus(ID_OPEN_PORT,FALSE);

		if (SendMode==ASCII && !m_SendData.IsEmpty())
			OnUpdateTBottonStatus(ID_SEND,TRUE);
		else if(SendMode==HEX && !(m_Sendhexdata.GetSize()<=0))
			OnUpdateTBottonStatus(ID_SEND,TRUE);
		
	}
	else
		AfxMessageBox("cannot open serial port");


	m_comm.SetSettings(m_strSettings);	//波特率9600，无校验，8个数据位，1个停止位
	m_comm.SetRThreshold(1); 
	m_comm.SetInputMode(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_comm.SetInputLen(0);      //设置当前接收区数据长度为0
	m_comm.GetInput();			//先预读缓冲区以清除残留数据
	
	
	// 如果当前设置为 自动发送方式 则设置timer();
	if (m_AutoSend)
		SetTimer(1,m_sendTime,NULL);
	
	drawPortSet=PORTOPEN;    //置绘制标志;
	InvalidateRect(&m_regin,FALSE);
	//InvalidateRect(NULL,FALSE);


}

void CCommTestDlg::OnSend()
{
    drawPortSet=WRITE;
	InvalidateRect(&m_w,TRUE);//&m_regin

	// 如果发送数据>512字节，就把数据分成n块大小512的数据块
    if(SendMode==ASCII)
	{
		if(m_SendData.GetLength()<512 && m_SendData.GetLength()>0 )
		{
			m_comm.SetOutput(COleVariant(m_SendData));
		}else if(m_SendData.GetLength()>512) 
		{
			int n = m_SendData.GetLength() /MAX_LEN ;               // 将数据分t次读入；
			if(MAX_LEN * n <m_SendData.GetLength())  n+=1;
			
			int j=0;
			while(1)
			{
			
				//if(m_comm.GetInBufferCount()==0 && m_comm.GetOutBufferCount()==0 )