// 7258intDlg.cpp : implementation file
//

#include "stdafx.h"
#include "7258int.h"
#include "7258intDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif

int gIntCount;
HANDLE ghIntEvent[2];

BOOLEAN gbExitThread;



DWORD WINAPI IntThread( LPVOID lpParam ) 
{

	while ( gbExitThread == FALSE )
	{
       if ( WaitForSingleObject(ghIntEvent[0], INFINITE) == WAIT_OBJECT_0 )
	   {
		   gIntCount++;
		   ResetEvent(ghIntEvent[0]);
	   }
	}

	return (DWORD) 0;
}

// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	enum { IDD = IDD_ABOUTBOX };

	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support

// Implementation
protected:
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
END_MESSAGE_MAP()


// C7258intDlg dialog




C7258intDlg::C7258intDlg(I16 hCard, CWnd* pParent /*=NULL*/)
	: CDialog(C7258intDlg::IDD, pParent)
{
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);

	m_hCard = hCard;
	m_hThread = NULL;
	m_nTimer = -1; 
	m_dwOutVal = 0x00000000;
}

void C7258intDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
}

BEGIN_MESSAGE_MAP(C7258intDlg, CDialog)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	//}}AFX_MSG_MAP
	ON_WM_DESTROY()
	ON_WM_TIMER()
	ON_BN_CLICKED(IDC_BT_OUTPUT, &C7258intDlg::OnOutput)
END_MESSAGE_MAP()


// C7258intDlg message handlers

BOOL C7258intDlg::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)
	{
		BOOL bNameValid;
		CString strAboutMenu;
		bNameValid = strAboutMenu.LoadString(IDS_ABOUTBOX);
		ASSERT(bNameValid);
		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
	I16 err;

    err = DIO_SetDualInterrupt(m_hCard, INT1_EXT_SIGNAL, INT2_DISABLE, ghIntEvent);
	DO_WritePort(m_hCard, 0, m_dwOutVal);

	gbExitThread = FALSE;
	m_hThread = CreateThread( NULL,                   // default security attributes
					          0,                      // use default stack size
					          IntThread,              // thread function name
					          NULL,                   // argument to thread function
					          0,                      // use default creation flags
					          NULL);                  // returns the thread identifier 
	
	m_nTimer = SetTimer( 1, 250, NULL );

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

void C7258intDlg::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 C7258intDlg::OnPaint()
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, reinterpret_cast<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 function to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR C7258intDlg::OnQueryDragIcon()
{
	return static_cast<HCURSOR>(m_hIcon);
}


void C7258intDlg::OnDestroy()
{
	CDialog::OnDestroy();

	// TODO: Add your message handler code here
	DIO_SetDualInterrupt(m_hCard, INT1_DISABLE, INT2_DISABLE, ghIntEvent);
	DIO_SetCOSInterrupt(m_hCard, 0, 0, 0, 0);

	if( m_nTimer != -1 )
	{
		KillTimer( m_nTimer );
		m_nTimer = -1;
	}


	if( m_hThread != NULL )
	{
		gbExitThread = TRUE; // termnate the IntThread
		SetEvent( ghIntEvent[0] );
		
		if (WaitForSingleObject(m_hThread, 5000) == WAIT_OBJECT_0)
		{
			CloseHandle( m_hThread );
			m_hThread = NULL;
		}
	}
}

void C7258intDlg::OnTimer(UINT_PTR nIDEvent)
{
	// TODO: Add your message handler code here and/or call default
	CString strTemp;

	strTemp.Format( TEXT("INT Count = %d"), gIntCount );
	SetDlgItemText( IDC_STATIC_05, strTemp );

	CDialog::OnTimer(nIDEvent);
}

void C7258intDlg::OnOutput()
{
	// TODO: Add your control notification handler code here
	m_dwOutVal = (m_dwOutVal+1) % 2;
	DO_WritePort(m_hCard, 0, m_dwOutVal);
}