commwizarddlg.cpp

VC串口编程实例

// CommWizardDlg.cpp : implementation file
//

#include "stdafx.h"
#include "CommWizard.h"
#include "CommWizardDlg.h"
#include "Settings.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()

/////////////////////////////////////////////////////////////////////////////
// CCommWizardDlg dialog

CCommWizardDlg::CCommWizardDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CCommWizardDlg::IDD, pParent)
{
	//参数初始值设置

	bSend=false;
	bRecieve=false;

	m_nPort=2;							//端口号置为1
	m_strSettings = _T("9600,n,8,1");	//串行口设置
	m_strSendString = _T("Hello world!");			//发送字符串空
	m_nTime = 1000;						//时间间隔1s
	m_nInputMode=1;						//数据传输方式置为二进制
	//{{AFX_DATA_INIT(CCommWizardDlg)
	m_strRecieve = _T("ChinaRen.com");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CCommWizardDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CCommWizardDlg)
	DDX_Control(pDX, IDC_TYPE, m_ctrlDataType);
	DDX_Control(pDX, IDC_SEND, m_ctrlSend);
	DDX_Control(pDX, IDC_RECIEVE, m_ctrlRecieve);
	DDX_Control(pDX, IDC_COMMCTRL, m_Com);
	DDX_Text(pDX, IDC_EDIT_RECIEVE, m_strRecieve);
	DDV_MaxChars(pDX, m_strRecieve, 1000);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CCommWizardDlg, CDialog)
	//{{AFX_MSG_MAP(CCommWizardDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_SEND, OnSend)
	ON_BN_CLICKED(IDC_RECIEVE, OnRecieve)
	ON_BN_CLICKED(IDC_SETTINGS, OnSettings)
	ON_BN_CLICKED(IDC_CLEAR, OnClear)
	ON_BN_CLICKED(IDC_MANUALSEND, OnManualsend)
	ON_CBN_EDITCHANGE(IDC_TYPE, OnSelchangeType)
	ON_WM_TIMER()
	ON_BN_CLICKED(IDC_FILE_SAVE, OnFileSave)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCommWizardDlg message handlers

BOOL CCommWizardDlg::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 CCommWizardDlg::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 CCommWizardDlg::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 CCommWizardDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CCommWizardDlg::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);
	}
	else
	{
		m_ctrlSend.SetWindowText(_T("自动发送"));
		KillTimer(1);
	}
	
}

void CCommWizardDlg::OnRecieve() 
{
	// TODO: Add your control notification handler code here
	m_Com.GetInput();
	bRecieve=!bRecieve;
	m_strRecieve = _T("xia_junwei");
	if(bRecieve)
		m_ctrlRecieve.SetWindowText(_T("停止接收！"));
	else
		m_ctrlRecieve.SetWindowText(_T("开始接收!"));
	//UpdateData(false);
	//OnOnCommCommctrl();
	
}

void CCommWizardDlg::OnSettings() 
{
	// TODO: Add your control notification handler code here
	CSettings setDlg;
	setDlg.nPort=m_nPort;
	setDlg.nTime=m_nTime;
	setDlg.strSendString=m_strSendString;
	setDlg.strSettings=m_strSettings;
	UpdateData(false);
	if(setDlg.DoModal()==IDOK)
	{
		m_nPort=setDlg.nPort;
		m_nTime=setDlg.nTime;
		m_strSettings=setDlg.strSettings;
		m_strSendString=setDlg.strSendString;
	}
	UpdateData(false);
	//::AfxMessageBox("Run!");
	open();

}

void CCommWizardDlg::OnClear() 
{
	// TODO: Add your control notification handler code here
	UpdateData(true);
	m_strRecieve=_T("0");
	UpdateData(false);
}

void CCommWizardDlg::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));
}

char CCommWizardDlg::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 CCommWizardDlg::String2Hex(CString str, CByteArray &senddata)
{
	int hexdata,lowhexdata;
	int hexdatalen;
	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;
}

void CCommWizardDlg::open()
{
	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();
}

BEGIN_EVENTSINK_MAP(CCommWizardDlg, CDialog)
    //{{AFX_EVENTSINK_MAP(CCommWizardDlg)
	ON_EVENT(CCommWizardDlg, IDC_COMMCTRL, 1 /* OnComm */, OnOnCommCommctrl, VTS_NONE)
	//}}AFX_EVENTSINK_MAP
END_EVENTSINK_MAP()

void CCommWizardDlg::OnOnCommCommctrl() 
{
	// 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 integerhat is not signed
	CString strtemp;			
	if(bRecieve)
	{
		//UpdateData();
		if(m_Com.GetCommEvent()==2)//事件值为2表示缓冲区有字符
		{
			variant_inp=m_Com.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
				if(m_nInputMode==2)
					strtemp.Format("%02X",bt);//将字符以十六进制方式送入临时变量strtemp
				//存放，注意这里加一个空格
				else
					strtemp.Format("%c",bt);//将字符送入临时变量strtemp存放

				m_strRecieve=m_strRecieve+strtemp;//加入接收编辑框对应字符串
				
				//m_strRecieve="xxx";
				

			}
			if(k%4==0)
			m_strRecieve+="\r\n";//加入了换行标志
			m_strRecieve+="\r";	
		}
	}
	UpdateData(false);//更新编辑框内容
}

void CCommWizardDlg::OnSelchangeType() 
{
	// TODO: Add your control notification handler code here
	m_nInputMode=m_ctrlDataType.GetCurSel();
	
}

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

void CCommWizardDlg::OnFileSave() 
{
	// TODO: Add your control notification handler code here
	FILE *stream;
	//int    i = 10;
   //double fp = 1.5;
  // char   s[] = "this is a string";
   //char   c = '\n';
//	double cent=pi/32;
//	double ff[300];
//	double d=cent;
//	for(int j=0;j<300;j++)
//		ff[j]=fp-j;
   stream = fopen( "fprintf.out", "a" );
   //for(long i=0;i<10000;i++)
   //{
	   //if(i%5==0)
		//fprintf(stream,"%s",c);
		fprintf( stream, "%s", m_strRecieve);
   //}
//   fprintf( stream, "%d\n", i );
//   fprintf( stream, "%f\n", fp );
/*   for(j=0;j<300;j++)
   {
		fprintf(stream,"%f\t",ff[j]);
		fprintf(stream,"%f\t",sin(d));
		fprintf(stream,"%f\n",ff[j]+10*cos(j));
		d+=cent;

   }*/
   fclose( stream );
   system( "type fprintf.out" );
}