myuartdlg.cpp

串口调试工具 可以调整传输数据位

// MyUARTDlg.cpp : implementation file
//

#include "stdafx.h"
#include "MyUART.h"
#include "MyUARTDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CMyUARTDlg dialog

CMyUARTDlg::CMyUARTDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CMyUARTDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CMyUARTDlg)
	m_strRxData = _T("");
	m_strTxData = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CMyUARTDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMyUARTDlg)
	DDX_Control(pDX, IDC_COMBO5, m_ctrCombo5);
	DDX_Control(pDX, IDC_COMBO4, m_ctrCombo4);
	DDX_Control(pDX, IDC_COMBO3, m_ctrCombo3);
	DDX_Control(pDX, IDC_COMBO2, m_ctrCombo2);
	DDX_Control(pDX, IDC_EDITRX, m_ctrEditRx);
	DDX_Control(pDX, IDC_BUTTONCLR, m_ctrClr);
	DDX_Control(pDX, IDC_COMBO1, m_ctrCombo1);
	DDX_Control(pDX, IDC_MSCOMM1, m_ctrComm);
	DDX_Text(pDX, IDC_EDITRX, m_strRxData);
	DDX_Text(pDX, IDC_EDITTX, m_strTxData);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CMyUARTDlg, CDialog)
	//{{AFX_MSG_MAP(CMyUARTDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_DESTROY()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTONSND, OnButtonSnd)
	ON_BN_CLICKED(IDC_BUTTONCLR, OnButtonClr)
	ON_BN_CLICKED(IDC_BUTTONOPEN, OnButtonOpen)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMyUARTDlg message handlers

BOOL CMyUARTDlg::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
	//int nItem;
	//nItem = m_nameCombo1.AddString("COM1");
	//m_nameCombo1.SetItemData(nItem,1);
	//nItem = m_nameCombo1.AddString("COM2");
	//m_nameCombo1.SetItemData(nItem,2);
	//nItem = m_nameCombo1.AddString("COM3");
	//m_nameCombo1.SetItemData(nItem,3);
	//nItem = m_nameCombo1.AddString("COM4");
	//m_nameCombo1.SetItemData(nItem,4);
	m_ctrCombo1.SetCurSel(0);
	m_ctrCombo2.SetCurSel(6);
	m_ctrCombo3.SetCurSel(0);
	m_ctrCombo4.SetCurSel(0);
	m_ctrCombo5.SetCurSel(0);
	

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

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

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

BEGIN_EVENTSINK_MAP(CMyUARTDlg, CDialog)
    //{{AFX_EVENTSINK_MAP(CMyUARTDlg)
	ON_EVENT(CMyUARTDlg, IDC_MSCOMM1, 1 /* OnComm */, OnMsComm1, VTS_NONE)
	//}}AFX_EVENTSINK_MAP
END_EVENTSINK_MAP()

void CMyUARTDlg::OnMsComm1() 
{
	// 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 integer that is not signed.
	CString strtemp;
	if(m_ctrComm.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_ctrComm.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
	
}

void CMyUARTDlg::OnButtonSnd() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE); //读取编辑框内容
	m_ctrComm.SetOutput(COleVariant(m_strTxData));//发送数据
	SetDlgItemText(IDC_EDITRX,"");
	//m_ctrEditRx.SetScrollPos(2,10,TRUE);
    //m_ctrEditRx.SetSel(-1, -1); 
}

void CMyUARTDlg::OnButtonClr() 
{
	// TODO: Add your control notification handler code here
	m_ctrEditRx.SetWindowText("");
}

void CMyUARTDlg::OnButtonOpen() 
{
	// TODO: Add your control notification handler code here
	CString ctr,rate,parity,dbit,sbit;//定义控制字符串
	
	if(m_ctrComm.GetPortOpen())
	m_ctrComm.SetPortOpen(FALSE);

	switch(m_ctrCombo1.GetCurSel())
	{
	case 0:m_ctrComm.SetCommPort(1);break; //选择COM1
	case 1:m_ctrComm.SetCommPort(2);break; //选择COM2
	case 2:m_ctrComm.SetCommPort(3);break; //选择COM3
	case 3:m_ctrComm.SetCommPort(4);break; //选择COM4
	}

	switch(m_ctrCombo2.GetCurSel())
	{
	case 0 :rate="110";   break; //选择波特率110
	case 1 :rate="300";   break; //选择波特率300
	case 2 :rate="600";   break; //选择波特率600
	case 3 :rate="1200";  break; //选择波特率1200
	case 4 :rate="2400";  break; //选择波特率2400
	case 5 :rate="4800";  break; //选择波特率4800
	case 6 :rate="9600";  break; //选择波特率9600
	case 7 :rate="14400"; break; //选择波特率14400
	case 8 :rate="19200"; break; //选择波特率19200
	case 9 :rate="38400"; break; //选择波特率38400
	case 10:rate="56000"; break; //选择波特率56000
	case 11:rate="57600"; break; //选择波特率57600
	case 12:rate="115200";break; //选择波特率115200
	}
	switch(m_ctrCombo3.GetCurSel())
	{
	case 0:parity="n";break; //选择校验位NONE
	case 1:parity="o";break; //选择校验位ODD
	case 2:parity="e";break; //选择校验位EVEN
	case 3:parity="m";break; //选择校验位MARK
	case 4:parity="s";break; //选择校验位SPACE
	}
	switch(m_ctrCombo4.GetCurSel())
	{
	case 0:dbit="8";break; //选择数据位8位
	case 1:dbit="7";break; //选择数据位7位
	case 2:dbit="6";break; //选择数据位6位
	case 3:dbit="5";break; //选择数据位5位
	}
	switch(m_ctrCombo5.GetCurSel())
	{
	case 0:sbit="1";  break; //选择停止位1位
	case 1:sbit="1.5";break; //选择停止位1.5位
	case 2:sbit="2";  break; //选择停止位2位
	}
	ctr=rate+","+parity+","+dbit+","+sbit;
	
	
	m_ctrComm.SetSettings(ctr); //波特率9600，无校验，8个数据位，1个停止位

	if( !m_ctrComm.GetPortOpen())
		m_ctrComm.SetPortOpen(TRUE);//打开串口
	else
		AfxMessageBox("Cannot open serial port");

	if(m_ctrComm.GetPortOpen())
		AfxMessageBox("Serial port opened successfully",MB_ICONINFORMATION);

	
	
	m_ctrComm.SetInputMode(1); // 以二进制方式检取数据
	m_ctrComm.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_ctrComm.SetInputLen(0); //设置当前接收区数据长度为0
	m_ctrComm.GetInput();//先预读缓冲区以清除残留数据
}