communication1dlg.cpp

自己写的vc串口程序

// COMMunication1Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "COMMunication1.h"
#include "COMMunication1Dlg.h"
#include "SetMode.h"
#include "mscomm.h"
#include <math.h>
#include "stdio.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()

/////////////////////////////////////////////////////////////////////////////
// CCOMMunication1Dlg dialog

CCOMMunication1Dlg::CCOMMunication1Dlg(CWnd* pParent /*=NULL*/)
	: CDialog(CCOMMunication1Dlg::IDD, pParent)
{   
	//{{AFX_DATA_INIT(CCOMMunication1Dlg)
	m_Send = _T("");
	m_Receive = _T("");
	myBaudRate="19200";
	myCom=1;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDI_ICON3);
}

void CCOMMunication1Dlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CCOMMunication1Dlg)
	DDX_Control(pDX, IDC_CHECK3, m_hexsend);
	DDX_Control(pDX, IDC_HEX, m_hex);
	DDX_Text(pDX, IDC_EDIT2, m_Send);
	DDX_Text(pDX, IDC_EDIT1, m_Receive);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CCOMMunication1Dlg, CDialog)
	//{{AFX_MSG_MAP(CCOMMunication1Dlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_COMMAND(IDM_SET, OnSet)
	ON_BN_CLICKED(IDC_OPEN_BTN, OnOpenBtn)
	ON_BN_CLICKED(IDC_CLEAR_BTN, OnClearBtn)
	ON_WM_CREATE()
	ON_BN_CLICKED(IDC_SEND_BTN, OnSendBtn)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCOMMunication1Dlg message handlers

BOOL CCOMMunication1Dlg::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
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CCOMMunication1Dlg::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 CCOMMunication1Dlg::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 CCOMMunication1Dlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CCOMMunication1Dlg::OnSet() 
{   CSetMode dlg;
   // dlg.DoModal();
	// TODO: Add your command handler code here
   if(dlg.DoModal()==IDOK)
   {
      myBaudRate=dlg.m_BaudRate;

      if(dlg.m_Com=="COM1")
	      myCom=1;
      else if(dlg.m_Com=="COM2")
	      myCom=2;
      else if(dlg.m_Com=="COM3")
	      myCom=3;
      else if(dlg.m_Com=="COM4")
	      myCom=4;
   }	
}


void CCOMMunication1Dlg::OnOpenBtn() 
{   CString str,strPara;
    
    UpdateData();
    
	GetDlgItem(IDC_OPEN_BTN)->GetWindowText(str);
//	strPara.Format("%d",myCom);
   
	UpdateData(FALSE);
	if(str=="打开串口")
	{
		GetDlgItem(IDC_OPEN_BTN)->SetWindowText("关闭串口");
		myComm.SetCommPort(myCom);
		strPara=myBaudRate;
		strPara+=",";
		strPara+=myParity;
		strPara+=",8,1";
    	myComm.SetSettings(strPara);
		myComm.SetInBufferSize(1024);
		myComm.SetInBufferCount(0);
		myComm.SetInputMode(1);
		myComm.SetInputLen(0);
		myComm.SetRThreshold(1);
		myComm.SetPortOpen(1);
        MessageBox("串口打开成功");

	}
	else
	{
		GetDlgItem(IDC_OPEN_BTN)->SetWindowText("打开串口");
		myComm.SetPortOpen(0);
		MessageBox("串口关闭成功");

	}
	
}

void CCOMMunication1Dlg::OnClearBtn() 
{   UpdateData();
	// TODO: Add your control notification handler code here
	//m_Receive="";
	m_Receive = _T("");
	UpdateData(FALSE);
}

BEGIN_EVENTSINK_MAP(CCOMMunication1Dlg, CDialog)
    //{{AFX_EVENTSINK_MAP(CCOMMunication1Dlg)
	ON_EVENT(CCOMMunication1Dlg, IDC_MSCOMM1, 1 /* OnComm */, OnOnCommMscomm1, VTS_NONE)
	//}}AFX_EVENTSINK_MAP
END_EVENTSINK_MAP()

void CCOMMunication1Dlg::OnOnCommMscomm1() 
{
	// TODO: Add your control notification handler code here
  VARIANT input1; 
  long len1,k;
  COleSafeArray safearray1;
  BYTE rxdata[2048];
  CString strtemp;
  //myComm.GetInput();
  switch(myComm.GetCommEvent())
  {
  case 2:
	  input1=myComm.GetInput();
      safearray1=input1;
	  len1=safearray1.GetOneDimSize();
	  for(k=0;k<len1;k++)
		  safearray1.GetElement(&k,rxdata+k);
	  for(k=0;k<len1;k++)                //将数组转换为Cstring型变量
	  {
		  BYTE bt=*(char*)(rxdata+k);
		//  UpdateData(TRUE);
		  if(m_hex.GetCheck())
			  strtemp.Format("%02X",bt);
		  else 
              strtemp.Format("%c",bt);
		  m_Receive=m_Receive+strtemp;	  
	  }
	  
  }
  UpdateData(FALSE); 	
}

int CCOMMunication1Dlg::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CDialog::OnCreate(lpCreateStruct) == -1)
		return -1;
	
     DWORD style=WS_VISIBLE|WS_CHILD;
	 if(!myComm.Create(NULL,style,CRect(0,0,0,0),this,IDC_MSCOMM1))
	 {
		 AfxMessageBox("创建MScomm控件失败");

	 }
	return 0;
}

int CCOMMunication1Dlg::hex(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 CCOMMunication1Dlg::OnSendBtn() 
{   
//	CString strSend;
	// TODO: Add your control notification handler code here
//	CByteArray hexdata;
//	int len=String2Hex(m_Send ,hexdata);
//	myComm.SetOutput(COleVariant(hexdata));
	UpdateData();
	if(m_hexsend.GetCheck())
	{
		CByteArray data;
		int len=String2Hex(m_Send,data);
		myComm.SetOutput(COleVariant(data));
	}
	else
	    myComm.SetOutput(COleVariant(m_Send));//发送数据
//	myComm.GetInput();
	
}

int CCOMMunication1Dlg::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=hex(hstr);
		lowhexdata=hex(lstr);
		if((hexdata==16)||(lowhexdata==16))
			break;
		else 
			hexdata=hexdata*16+lowhexdata;
		i++;
		senddata[hexdatalen]=(char)hexdata;
		hexdatalen++;
	}

	senddata.SetSize(hexdatalen);
	return hexdatalen;

}