test6dlg.cpp

WINCE 5.0 下TL16C552扩展并口测试程序

// test6Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "test6.h"
#include "test6Dlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
//volatile IOPreg *v_pIOPRegs;
HANDLE	hKey;
/////////////////////////////////////////////////////////////////////////////
// CTest6Dlg dialog

CTest6Dlg::CTest6Dlg(CWnd* pParent /*=NULL*/)
	: CDialog(CTest6Dlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CTest6Dlg)
	m_KeyVal = 0;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CTest6Dlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CTest6Dlg)
	DDX_Text(pDX, IDC_EDIT1, m_KeyVal);
	DDV_MinMaxInt(pDX, m_KeyVal, 0, 255);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CTest6Dlg, CDialog)
	//{{AFX_MSG_MAP(CTest6Dlg)
	ON_WM_HELPINFO()
	ON_BN_CLICKED(IDC_OPEN, OnOpen)
	ON_BN_CLICKED(IDC_CLOSE, OnClose)
	ON_BN_CLICKED(IDC_READ, OnRead)
	ON_BN_CLICKED(IDC_WRITE, OnWrite)
	ON_EN_CHANGE(IDC_EDIT1, OnChangeEdit1)
	ON_BN_CLICKED(IDC_EXIT, OnExit)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTest6Dlg message handlers

BOOL CTest6Dlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// 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
	
	CenterWindow(GetDesktopWindow());	// center to the hpc screen

	// TODO: Add extra initialization here
	((CButton *)GetDlgItem(IDC_DATREG))->SetCheck(1);
	GetDlgItem(IDC_READ)->EnableWindow(FALSE);
	GetDlgItem(IDC_WRITE)->EnableWindow(FALSE);
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CTest6Dlg::OnHelpInfo()
{
	// TODO: implement help here
	MessageBox(_T("Help"));
	
}


void CTest6Dlg::OnOpen() 
{
	// TODO: Add your control notification handler code here
	hKey = CreateFile(L"EXT0:",GENERIC_READ|GENERIC_WRITE,0,NULL,OPEN_EXISTING,0,NULL);
	if(hKey == INVALID_HANDLE_VALUE)
	{
		MessageBox(_T("扩展并口打开失败"));
		return;	
	}
	GetDlgItem(IDC_READ)->EnableWindow(TRUE);
	GetDlgItem(IDC_WRITE)->EnableWindow(TRUE);
}

void CTest6Dlg::OnClose() 
{
	// TODO: Add your control notification handler code here
		CloseHandle(hKey);
		GetDlgItem(IDC_READ)->EnableWindow(FALSE);
		GetDlgItem(IDC_WRITE)->EnableWindow(FALSE);
}

void CTest6Dlg::OnRead() 
{
	// TODO: Add your control notification handler code here
	//	DWORD	KeyValue;
	DWORD	RecvBuf;
	BOOL		iRet;
	DWORD		iLen = 1;
	int		id=0;
	id = GetCheckedRadioButton(IDC_DATREG,IDC_CONTROLREG);
	if (id == IDC_DATREG)
		iLen = 1;
	else
		if (id == IDC_CONTROLREG)
			iLen = 3;
		else
			iLen = 2;
	
		RecvBuf = 0;
		iRet = ReadFile(hKey,&RecvBuf,iLen,&iLen,NULL);

		if (iRet  )
		{
			
			m_KeyVal = RecvBuf;
			UpdateData(FALSE);
		}
		else
			MessageBox(_T("读并口数据失败"));



}

void CTest6Dlg::OnWrite() 
{
	// TODO: Add your control notification handler code here
	unsigned char	RecvBuf[2];
	BOOL		iRet;
	DWORD		iLen = 1;
	int		id=0;
	id = GetCheckedRadioButton(IDC_DATREG,IDC_CONTROLREG);
	if (id == IDC_DATREG)
		iLen = 1;
	else
	if (id == IDC_CONTROLREG)
			iLen = 3;
	else
	{		MessageBox(_T("状态寄存器不能写"));
			return;
	}
	
		RecvBuf[0] = (unsigned char)m_KeyVal;
		iRet = WriteFile(hKey,&RecvBuf,iLen,&iLen,NULL);

		if (!iRet  )
			MessageBox(_T("写并口数据失败"));
}

void CTest6Dlg::OnChangeEdit1() 
{
	// TODO: If this is a RICHEDIT control, the control will not
	// send this notification unless you override the CDialog::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	// with the ENM_CHANGE flag ORed into the mask.
	
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
}

void CTest6Dlg::OnExit() 
{
	// TODO: Add your control notification handler code here
	CDialog::OnOK();
}