// Sample0Dlg.h : header file
//

#if !defined(AFX_SAMPLE0DLG_H__A385E399_D0CA_4202_9755_E5DC10D5DD4E__INCLUDED_)
#define AFX_SAMPLE0DLG_H__A385E399_D0CA_4202_9755_E5DC10D5DD4E__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

/////////////////////////////////////////////////////////////////////////////
// CSample0Dlg dialog

class CSample0Dlg : public CDialog
{
// Construction
public:
	CSample0Dlg(CWnd* pParent = NULL);	// standard constructor

// Dialog Data
	//{{AFX_DATA(CSample0Dlg)
	enum { IDD = IDD_SAMPLE0_DIALOG };

	//CEdit   m_OutA, m_OutB;
	CString m_Instructions;
	CStatic m_Status;
	CStatic m_BitControl[ 16 ];
	CStatic m_ButtonControl[ 1 ];
	CEdit   m_Out[ 1 ];

		// NOTE: the ClassWizard will add data members here
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CSample0Dlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);	// DDX/DDV support
	//virtual BOOL OnCommand(WPARAM wParam, LPARAM lParam);
	//}}AFX_VIRTUAL

// Implementation
protected:
	HICON m_hIcon;

	// Generated message map functions
	//{{AFX_MSG(CSample0Dlg)
	virtual BOOL OnInitDialog();
	afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
	afx_msg void OnPaint();
	afx_msg HCURSOR OnQueryDragIcon();
	afx_msg void OnExit();
	virtual void OnCancel();


	afx_msg void OnWriteA();
	afx_msg void OnWriteB();
	afx_msg void OnBit0a();
	afx_msg void OnBit1a();
	afx_msg void OnBit2a();
	afx_msg void OnBit3a();
 	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
private:
	// bitmaps for bit controls
	CBitmap Bmp0;     // displayed if bit is 0
	CBitmap Bmp1;     // displayed if bit is 1
	CBitmap BmpND;    // displayed if device is not detected

	unsigned long m_DeviceIndex;

	// 
	unsigned char m_Data[ 2 ];
	unsigned char m_OutMask;

	bool          m_DeviceDetected;

private:
	// Process user's click of a 'bit' control
	// - bit: bit number (0..7)
	void BitClicked( int bit );

	// update controls to the current state (Input/Output and Bit)
	void UpdateDisplay();

	// send DIO_WriteAll command to the card with FFFF
	// and intialize data structures
	void InitializeDevice( void );

	// check if the card is connected and if yes
	// set m_DeviceDetected variable accordingly
    // returns:  true if USB-IIRO-16 card is connected,
    // false otherwise
	bool DetectDevice( void );

	// read all ports and update all 'read' ports
	// if the driver reports an error, set m_DeviceDetected to false
	void ReadAll();

	// callback function for timer
	// - if device is connected - calls 'ReadAll()'
	//    if not - calls DetectDevice()'
   void OnTimer( UINT nIDEvent );

};

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_SAMPLE0DLG_H__A385E399_D0CA_4202_9755_E5DC10D5DD4E__INCLUDED_)