ml9comdlg.cpp

WIN95界面下的VC++串口通讯程序在WIN32下是不建议对端口进行操作的

// ml9comDlg.cpp : implementation file
//

#include "stdafx.h"
#include "ml9com.h"
#include "ml9comDlg.h"
#include "SettingDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CMl9comDlg dialog

CMl9comDlg::CMl9comDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CMl9comDlg::IDD, pParent)
{
	bSend=FALSE;//可以自动发送
	bReceive=FALSE;//允许接收字符

    m_nPort=1;//端口设置为1；
	m_strSettings=_T("19200,n,8,1");//串行口设置
	m_strSendString=_T("aa55010506");//发送字符空
    m_nTime=15;//时间间隔一秒

	m_nInputMode=2;//数据传输方式是十六进制
	//{{AFX_DATA_INIT(CMl9comDlg)
	m_strReceive = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CMl9comDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMl9comDlg)
	DDX_Control(pDX, IDC_RECEIVE, m_ctrlReceive);
	DDX_Control(pDX, IDC_TYPE, M_ctrlDataType);
	DDX_Control(pDX, IDC_SEND, m_ctrlSend);
	DDX_Control(pDX, IDC_COMMTRAL, m_Com);
	DDX_Text(pDX, IDC_EDIT_RECEIVE, m_strReceive);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CMl9comDlg, CDialog)
	//{{AFX_MSG_MAP(CMl9comDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_RECEIVE, OnReceive)
	ON_BN_CLICKED(IDC_SEND, OnSend)
	ON_BN_CLICKED(IDC_SETTINGS, OnSettings)
	ON_BN_CLICKED(IDC_CLEAR, OnClear)
	ON_CBN_SELCHANGE(IDC_TYPE, OnSelchangeType)
	ON_BN_CLICKED(IDC_MANUALSEND, OnManualsend)
	ON_WM_TIMER()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMl9comDlg message handlers

BOOL CMl9comDlg::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
    M_ctrlDataType.AddString(_T("按ASCII码"));
	M_ctrlDataType.AddString(_T("按2进制"));
	M_ctrlDataType.AddString(_T("按16进制"));
	M_ctrlDataType.SetCurSel(m_nInputMode);
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CMl9comDlg::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 CMl9comDlg::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 CMl9comDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}



void CMl9comDlg::OnReceive() 
{
	// TODO: Add your control notification handler code here
	m_Com.GetInput();//先预读缓冲区以清除残留数据
	bReceive=!bReceive;
	if(bReceive)
		m_ctrlReceive.SetWindowText(_T("停止接收"));
	else
        m_ctrlReceive.SetWindowText(_T("开始接收"));
}

void CMl9comDlg::OnSend() 
{
	// TODO: Add your control notification handler code here
	bSend=!bSend;
	if(bSend)
	{
		m_ctrlSend.SetWindowText(_T("停止发送"));
	    SetTimer(1,m_nTime,NULL);//时间为1s
	}
	else
	{
	   m_ctrlSend.SetWindowText(_T("自动发送"));
	   KillTimer(1);//取消定时
	}
}

void CMl9comDlg::OnSettings() 
{
	// TODO: Add your control notification handler code here
	CSettingDlg setDlg;

    setDlg.nPort=m_nPort;
    setDlg.nTime=m_nTime;
	setDlg.strSettings=m_strSettings;
	setDlg.strSendString=m_strSendString;
   
	if(setDlg.DoModal()==IDOK)
	{
	   m_nPort=setDlg.nPort;
       m_nTime=setDlg.nTime;
	   m_strSettings=setDlg.strSettings;
	   m_strSendString=setDlg.strSendString;
	}
	OpenPort();
}

void CMl9comDlg::OnClear() 
{
	// TODO: Add your control notification handler code here
	m_strReceive=_T("");
	UpdateData(FALSE);
}

void CMl9comDlg::OnSelchangeType() 
{
	// TODO: Add your control notification handler code here
	m_nInputMode=M_ctrlDataType.GetCurSel();
	//m_nInputMode=m_nInputMode+1;
}

void CMl9comDlg::OnManualsend() 
{
	// TODO: Add your control notification handler code here
CString strSend;
	 
	if(m_nInputMode>1)
	{
		CByteArray hexdata;
		int len=String2Hex(m_strSendString,hexdata);
		m_Com.SetOutput(COleVariant(hexdata));
	}
	else
		m_Com.SetOutput(COleVariant(m_strSendString));//发送数据

}

int CMl9comDlg::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;
}

char CMl9comDlg::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 CMl9comDlg::OnTimer(UINT nIDEvent) 
{
	// TODO: Add your message handler code here and/or call default
	OnManualsend();
	CDialog::OnTimer(nIDEvent);
}

BEGIN_EVENTSINK_MAP(CMl9comDlg, CDialog)
    //{{AFX_EVENTSINK_MAP(CMl9comDlg)
	ON_EVENT(CMl9comDlg, IDC_COMMTRAL, 1 /* OnComm */, OnOnCommCommtral, VTS_NONE)
	//}}AFX_EVENTSINK_MAP
END_EVENTSINK_MAP()

void CMl9comDlg::OnOnCommCommtral() 
{
	// 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

	CString strtemp;
	if(bReceive)
	{
		if(m_Com.GetCommEvent()==2)
		{
		   variant_inp=m_Com.GetInput();
		   safearray_inp=variant_inp;
		   len=safearray_inp.GetOneDimSize();
		   for(k=0;k<len;k++)
			   safearray_inp.GetElement(&k,rxdata+k);
		   for(k=0;k<len;k++)
		   {
		     BYTE bt=*(char*)(rxdata+k);
	          if(m_nInputMode==2)
				  strtemp.Format("%02X",bt);
		      else
				  strtemp.Format("%c",bt); 
			  m_strReceive=m_strReceive+strtemp;
		   }
		   m_strReceive+="\r\n";
		}
	}
	UpdateData(FALSE);
}

void CMl9comDlg::OpenPort()
{
   if(m_Com.GetPortOpen())
       m_Com.SetPortOpen(FALSE);
   m_Com.SetCommPort(m_nPort);
   if(!m_Com.GetPortOpen())
      m_Com.SetPortOpen(TRUE);
   else
	   AfxMessageBox("cannot open serial port");
   m_Com.SetSettings(m_strSettings);
   m_Com.SetRThreshold(1);
   m_Com.SetInputMode(1);
   m_Com.SetInputLen(0);
   m_Com.GetInput();
}