scommtestdlg.cpp

一个串口通信的例子

// SCommTestDlg.cpp : implementation file
//

#include "stdafx.h"
#include "SCommTest.h"
#include "DialogEdit.h"
#include "SCommTestDlg.h"

#define PROFILE_FMT 	_T("%d,%d,%d,%d,%d,%d")
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

IMPLEMENT_SERIAL(CSCommTestDlg,CDialog,1)
/////////////////////////////////////////////////////////////////////////////
// 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)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSCommTestDlg dialog

CSCommTestDlg::CSCommTestDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CSCommTestDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CSCommTestDlg)
	m_strRXData = _T("");
	m_strTXData = _T("");
	m_bAutoDel = FALSE;
	m_strCurTime = _T("");
	m_iAutoSendTime = 0;
	m_strCatalog = _T("");
	m_strTXCount = _T("");
	m_strRXCount = _T("");
	m_strComStatus = _T("");
	m_strSavePath = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
//	m_bAutoSend=FALSE;
	m_strRXCount="RX:0";
	m_strTXCount="TX:0";
	m_bAutoDel=TRUE;
    m_iAutoSendTime=1000;
	m_strTXData="You are a good boy!";
	m_strCatalog="还没有选择要发送的文件!";
	m_strComStatus="STATUS: NO COM OPENED!";
	m_strSavePath="文件目录";

	m_bInitDone=FALSE;
	m_szGripSize.cx = GetSystemMetrics(SM_CXVSCROLL);
	m_szGripSize.cy = GetSystemMetrics(SM_CYHSCROLL);

	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CSCommTestDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CSCommTestDlg)
	DDX_Control(pDX, IDC_EDIT_CATALOG, m_ctrlCatalog);
	DDX_Control(pDX, IDC_STATIC_TOP, m_ctrlStaticTop);
	DDX_Control(pDX, IDC_EDIT_TXDATA, m_ctrlExchangeData);
	DDX_Control(pDX, IDC_STATIC_OPENORCLOSE, m_ctrlOpenOrClose);
	DDX_Control(pDX, IDC_STATIC_TIMER, m_ctrlCurTime);
	DDX_Control(pDX, IDC_CHECK_AUTODEL, m_ctrlAutoDel);
	DDX_Control(pDX, IDC_EDIT_RXDATA, m_ctrlRxDataIsFull);
	DDX_Control(pDX, IDC_BUTTON_CLOSECOM, m_ctrlCloseCom);
	DDX_Control(pDX, IDC_BUTTON_STOPDISPLAY, m_ctrlStopDisplay);
	DDX_Control(pDX, IDC_COMBO_XIAOYAN, m_ctrlXiaoYan);
	DDX_Control(pDX, IDC_COMBO_BITNUMBER, m_ctrlBitNumber);
	DDX_Control(pDX, IDC_COMBO_BORATE, m_ctrlBoRate);
	DDX_Control(pDX, IDC_COMBO_STOPBIT, m_ctrlStopBit);
	DDX_Control(pDX, IDC_COMBO_COMID, m_ctrlComID);
	DDX_Control(pDX, IDC_CHECK_AUTOSEND, m_ctrlAutoSend);
	DDX_Control(pDX, IDC_CHECK_HexDisplay, m_ctrlHexDisplay);
	DDX_Control(pDX, IDC_CHECK_HEXSEND, m_ctrlHexSend);
	DDX_Control(pDX, IDC_MSCOMM1, m_ctrlComm);
	DDX_Text(pDX, IDC_EDIT_RXDATA, m_strRXData);
	DDX_Text(pDX, IDC_EDIT_TXDATA, m_strTXData);
	DDX_Check(pDX, IDC_CHECK_AUTODEL, m_bAutoDel);
	DDX_Text(pDX, IDC_STATIC_TIMER, m_strCurTime);
	DDX_Text(pDX, IDC_EDIT_AUTOSENDTIME, m_iAutoSendTime);
	DDV_MinMaxInt(pDX, m_iAutoSendTime, 1, 99999);
	DDX_Text(pDX, IDC_EDIT_CATALOG, m_strCatalog);
	DDX_Text(pDX, IDC_STATIC_TXSTATUS, m_strTXCount);
	DDX_Text(pDX, IDC_STATIC_RXSTATUS, m_strRXCount);
	DDX_Text(pDX, IDC_STATIC_COMSTATUS, m_strComStatus);
	DDX_Text(pDX, IDC_EDIT_SAVEFILEPATH, m_strSavePath);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CSCommTestDlg, CDialog)
	//{{AFX_MSG_MAP(CSCommTestDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON_MANUALSEND, OnButtonManualsend)
	ON_WM_TIMER()
	ON_BN_CLICKED(IDC_CHECK_AUTOSEND, OnCheckAutosend)
	ON_EN_CHANGE(IDC_EDIT_AUTOSENDTIME, OnChangeEditAutosendtime)
	ON_CBN_SELCHANGE(IDC_COMBO_COMID, OnSelchangeComboComid)
	ON_CBN_SELCHANGE(IDC_COMBO_BITNUMBER, OnSelchangeComboBitnumber)
	ON_CBN_SELCHANGE(IDC_COMBO_BORATE, OnSelchangeComboBorate)
	ON_CBN_SELCHANGE(IDC_COMBO_STOPBIT, OnSelchangeComboStopbit)
	ON_CBN_SELCHANGE(IDC_COMBO_XIAOYAN, OnSelchangeComboXiaoyan)
	ON_BN_CLICKED(IDC_BUTTON_DELRXDATA, OnDelRxdata)
	ON_BN_CLICKED(IDC_BUTTON_DELTXDATA, OnDelTxdata)
	ON_BN_CLICKED(IDC_BUTTON_STOPDISPLAY, OnStopdisplay)
	ON_BN_CLICKED(IDC_BUTTON_CLOSECOM, OnClosecom)
	ON_BN_CLICKED(IDC_CHECK_AUTODEL, OnCheckAutodel)
	ON_EN_CHANGE(IDC_EDIT_RXDATA, OnChangeRxdata)
	ON_BN_CLICKED(IDC_STATIC_TOP, OnStaticTop)
	ON_BN_CLICKED(IDC_BUTTON_LOADFILE, OnLoadfile)
	ON_BN_CLICKED(IDC_BUTTON_SENDFILE, OnSendfile)
	ON_BN_CLICKED(IDC_BUTTON_DELCOUNT, OnDelRxTxcount)
	ON_BN_CLICKED(IDC_BUTTON_CHANGESAVEPATH, OnChangeSavePath)
	ON_WM_SIZE()
	ON_WM_CREATE()
	ON_WM_MOUSEMOVE()
	ON_WM_GETMINMAXINFO()
	ON_WM_NCHITTEST()
	ON_WM_DESTROY()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSCommTestDlg message handlers

BOOL CSCommTestDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	UpdateGripPos();
	CRect rc;
	GetWindowRect(rc);
	m_ptMinTrackSize.x=rc.Width();
	m_ptMinTrackSize.y=rc.Height();
	m_bInitDone=TRUE;

	// 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_TxDataFont.CreateFont(18,0,0,0,FW_NORMAL,0,0,0,DEFAULT_CHARSET,OUT_CHARACTER_PRECIS,
		CLIP_CHARACTER_PRECIS,DEFAULT_QUALITY,DEFAULT_PITCH|FF_DONTCARE,_T("Arial"));
//	GetDlgItem(IDC_EDIT_CATALOG)->SetFont(&m_TxDataFont);//改变编辑框的字体
//	SetWindowPos(&wndTopMost, 0, 0, 0, 0,SWP_NOMOVE | SWP_NOSIZE);//实现程序一开始就顶层显示
    this->SetWindowText("串口调试助手 SComDebugAssaint 1.0 曾峰版");
	m_hIconCounter=FALSE;
	m_iCounter=0;
	m_strComPara="9600,N,8,1";
	m_iCloseComCounter=0;
	BitNumber="8,";
	BoRate="9600,";
	XiaoYan="N,";
	StopBit="1";
	ComID=1;
	m_iPrimComID=0;
	bTopCounter=FALSE;
	m_iSentFilesCount=0;
	RXStatus=0;
	TXStatus=0;
	m_strComID="COM1 ";
	GetDlgItem(IDC_BUTTON_SENDFILE)->EnableWindow(FALSE);
	HICON hICON=AfxGetApp()->LoadIcon(IDI_ICON4);
	HICON hICON1=AfxGetApp()->LoadIcon(IDI_ICON3);
	m_ToolTips.Create(this);
	m_ToolTips.AddTool((CStatic*)GetDlgItem(IDC_STATIC_TOP),"NoTop");
	

	m_ctrlComID.SetCurSel(0);//初始化组合框选择COM1
	m_ctrlBitNumber.SetCurSel(0);
	m_ctrlBoRate.SetCurSel(3);
	m_ctrlXiaoYan.SetCurSel(0);
	m_ctrlStopBit.SetCurSel(0);

	SetTimer(ID_CLOCK_TIMER,1000,NULL);
	SetTimer(ID_COUNT_TIMER,300,NULL);
	
	if(m_ctrlComm.GetPortOpen())//当前是否有打开的串口
		m_ctrlComm.SetPortOpen(FALSE);//有，则关闭当前串口
	/***判断所选的串口是否存在:**********/
	HANDLE m_hComm=CreateFile("COM1",GENERIC_READ|GENERIC_WRITE,0,
		NULL,OPEN_EXISTING,FILE_FLAG_OVERLAPPED,0);
	if(m_hComm==INVALID_HANDLE_VALUE)
	{
		MessageBox("没有发现此串口或已被占用!","SComDebugAssiant",MB_ICONSTOP|MB_OK);
		m_iCloseComCounter=1;
		CloseHandle(m_hComm);
		return TRUE;
	}
	CloseHandle(m_hComm);
    /****************************************/

	m_ctrlComm.SetCommPort(1);//选择com1
	if(!m_ctrlComm.GetPortOpen())
	{
		m_ctrlComm.SetPortOpen(TRUE);
//		if(m_ctrlComm.) MessageBox("ddf");
	    m_ctrlComm.SetSettings("9600,N,8,1");//波特率为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>=1个字符时将引发一个接受数据的OnComm事件
	    m_ctrlComm.SetInputLen(0);//设置当前缓冲区的数据长度位0
	    m_ctrlComm.GetInput();//先预读缓冲区以清除残留数据
	    m_ctrlOpenOrClose.SetIcon(hICON);
		m_strComStatus.Empty();
	    m_strComStatus="STATUS:"+m_strComID+"OPENED,"+m_strComPara;
	    GetDlgItem(IDC_STATIC_COMSTATUS)->SetWindowText(m_strComStatus);
		GetDlgItem(IDC_BUTTON_CLOSECOM)->SetWindowText("关闭串口");
	}
	else
		AfxMessageBox("不能打开串口");
	m_sSection = "SCommTest";
	m_sEntry = "Windows";
	LoadWindowRect();
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CSCommTestDlg::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 CSCommTestDlg::OnPaint() 
{
	CPaintDC dc(this); // device context for painting

	if (!IsZoomed())
	{
		// draw size-grip
		dc.DrawFrameControl(m_rcGripRect, DFC_SCROLL, DFCS_SCROLLSIZEGRIP);
	}
     if (IsIconic())//判断是否最小化
	{
		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 CSCommTestDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

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

//void CSCommTestDlg::OnOnCommMscomm1() 
//{
	// TODO: Add your control notification handler code here
	
//}

void CSCommTestDlg::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,作用同BYTE *rxdata=new BYTE[len+1]语句
	CString strtemp;


	if((m_ctrlComm.GetCommEvent()==2)&&!m_iCounter)//事件值为2表示接收缓冲区内有字符存在
	{
		variant_inp=m_ctrlComm.GetInput();//读取缓冲区
		safearray_inp=variant_inp;//VARIANT型变量转换成COleSafeArray型变量
		len=safearray_inp.GetOneDimSize();//得到有效地数据长度
		RXStatus+=len;
		CString tempCount;
		tempCount.Format("%ld",RXStatus);
		m_strRXCount="RX:"+tempCount;
		GetDlgItem(IDC_STATIC_RXSTATUS)->SetWindowText(m_strRXCount);
		BYTE *rxdata=new BYTE[len+1];//动态创建数组,增加1个字节用于存放结束符'\0'
		memset(rxdata,0,len+1);//初始化字符数组
		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++)//将数组转化为CString型变量
		{
			BYTE bt=*(char*)(rxdata+k);//字符型
			if(m_ctrlHexDisplay.GetCheck())//将字符以十六进制方式送入临时变量存放,这里加入一个空格
				strtemp.Format("%02X ",bt);//%02X表示以十六进制格式,位宽2位,右对齐不足补0
			else
			strtemp.Format("%c",bt);
			m_strRXData+=strtemp;
		}
		delete []rxdata;
		if(m_ctrlAutoDel.GetCheck()&&m_ctrlRxDataIsFull.GetLineCount()>=100)
		{
			OnDelRxdata();
		}
		m_ctrlRxDataIsFull.SetWindowText(m_strRXData);
	}
    


}

void CSCommTestDlg::OnButtonManualsend() 
{
	// TODO: Add your control notification handler code here
	if(!(m_ctrlComm.GetPortOpen()))
	{
		MessageBox("串口还未打开!","SComDebugAssaint",MB_ICONHAND|MB_OK);
		

		return;
	}

	UpdateData(TRUE);//读取编辑框内容
	if(m_ctrlHexSend.GetCheck())
	{
		CByteArray hexdata;
		int len=String2Hex(m_strTXData,hexdata);//输入字符串m_strTXData，输出16进制数hexdata
		TXStatus+=len;
		m_ctrlComm.SetOutput(COleVariant(hexdata));//发送16进制数
	}
	else
	{
		m_ctrlComm.SetOutput(COleVariant(m_strTXData));//发送数据
	    TXStatus+=m_strTXData.GetLength();
	}
	CString s;
	s.Format("%d",TXStatus);
	m_strTXCount.Empty();
	m_strTXCount="TX:"+s;
	UpdateData(FALSE);

}

int CSCommTestDlg::String2Hex(CString str, CByteArray &senddata)
{
	int hexdata;//十六进制数值
	int lowhexdata;//十六进制的低半字节值
	int hexdatalen=0;//十六进制数的长度
	int len=str.GetLength();//得到字符串的长度(个数)
	senddata.SetSize(len/2);//初始化动态字节数组变量的大小
	for(int i=0;i<len;)
	{
		char lstr;//一个字节的低半字节，它存放在高地址
		char hstr=str[i];//一个字节的高半字节，它存放在低地址
		if(hstr==' ')//若输入的第一个字符(高半字节)为空格，则直接跳到下一个字符
		{
			i++;