parallelportcontroldlg.cpp

自己写的一个并口编程的例子

// ParallelPortControlDlg.cpp : implementation file
//

#include "stdafx.h"
#include "ParallelPortControl.h"
#include "ParallelPortControlDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About
char Tags=0;
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()

/////////////////////////////////////////////////////////////////////////////
// CParallelPortControlDlg dialog

CParallelPortControlDlg::CParallelPortControlDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CParallelPortControlDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CParallelPortControlDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CParallelPortControlDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CParallelPortControlDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CParallelPortControlDlg, CDialog)
	//{{AFX_MSG_MAP(CParallelPortControlDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON_WRITEDATAPORT, OnButtonWritedataport)
	ON_BN_CLICKED(IDC_BUTTON_WRITECONTORLPORT, OnButtonWritecontorlport)
	ON_BN_CLICKED(IDC_BUTTON_READSTATEPORT, OnButtonReadstateport)
	ON_BN_CLICKED(IDC_BUTTON_READCONTROLPORT, OnButtonReadcontrolport)
	ON_BN_CLICKED(IDC_BUTTON_WRITEDATA, OnButtonWritedata)
	ON_BN_CLICKED(IDC_BUTTON_READDATA, OnButtonReaddata)
	ON_WM_TIMER()
	ON_BN_CLICKED(IDC_BUTTON_ABOUT, OnButtonAbout)
	ON_BN_CLICKED(IDC_BUTTON_CANCEL,OnButtonCancel)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CParallelPortControlDlg message handlers

BOOL CParallelPortControlDlg::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
	// 初始化I/O并口
	if(!InitializeWinIo())
	{
		MessageBox("Init fail!");
	}
	//设置I/O口address
	SetDlgItemText(IDC_EDIT2,"0");
	SetDlgItemText(IDC_EDIT3,"0");
	SetDlgItemText(IDC_EDIT4,"0");
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

BOOL CParallelPortControlDlg::DestroyWindow() 
{
	ShutdownWinIo();
	return CDialog::DestroyWindow();
}

void CParallelPortControlDlg::OnButtonWritedataport() 
{
	
}

void CParallelPortControlDlg::OnButtonWritecontorlport() 
{

}

void CParallelPortControlDlg::OnButtonReadstateport() 
{
	Tags=1;
	SetTimer(0,10,NULL);
	
}

void CParallelPortControlDlg::OnButtonReadcontrolport() 
{

}

void CParallelPortControlDlg::OnButtonWritedata() 
{

}

void CParallelPortControlDlg::OnButtonReaddata() 
{
	
}

void CParallelPortControlDlg::OnButtonAbout() 
{
	CAboutDlg  dlg;
	dlg.DoModal();
}

void CParallelPortControlDlg::OnButtonCancel() 
{
	ShutdownWinIo();
	//CDialog::DestroyWindow();
	CDialog::OnCancel();
}

void CParallelPortControlDlg::OnOK() 
{
	
}

void CParallelPortControlDlg::OnTimer(UINT nIDEvent)
{
	
	DWORD            dwPortVal;
	unsigned int     temp1=0;
	unsigned int     temp2=0;
	if(Tags==1)
	{
		WORD   m_nport=(WORD)0x379;
		GetPortVal(m_nport, &dwPortVal, 1);
		temp1=dwPortVal;
		temp2=dwPortVal;
		temp1=temp1&0x040;
		temp1=temp1>>6;
		temp1=temp1&0x0F;
		temp2=temp2&0x020;
		temp2=temp2>>5;
		temp2=temp2&0x0F;
		DWORD   dwStart,dwStop,t; 
		unsigned int  lengh=10,V=0;
                //   起始值和终止值
		if(temp1 == 0)
		{
           dwStop   =   GetTickCount();  
           dwStart  =   dwStop  ;
        }
        if(temp2 == 0)
      	   dwStop   =   GetTickCount();
        t = (dwStop- dwStart)*1000;
        if(t > 0)
		   V = lengh/t;
		SetDlgItemInt(IDC_EDIT2,temp1,true);
		SetDlgItemInt(IDC_EDIT3,temp2,true);
		SetDlgItemInt(IDC_EDIT4,V,true);
                //Tags=0;
	}
	CDialog::OnTimer(nIDEvent);
}