// RNH6_00Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "RNH6_00.h"
#include "RNH6_00Dlg.h"

#include <winioctl.h>
#include "MyLib\gpioctl.h"		// This	defines	the	IOCTL constants.

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



//////////////////////////////////////////////////////////////////////////////
void WriteByte ( UCHAR data)
//////////////////////////////////////////////////////////////////////////////
{
	HANDLE				hndFile;		// Handle to device, obtain	from CreateFile
	GENPORT_WRITE_INPUT	InputBuffer;	// Input buffer	for	DeviceIoControl
	ULONG				DataValue;
	ULONG				DataLength;
	ULONG				ReturnedLength;	// Number of bytes returned	in output buffer

	hndFile	= CreateFile(
					"\\\\.\\GpdDev",		   // Open the Device "file"
					GENERIC_WRITE,
					FILE_SHARE_WRITE,
					NULL,
					OPEN_EXISTING,
					0,
					NULL);

	if (hndFile	== INVALID_HANDLE_VALUE)		// Was the device opened?
	{
		//printf("Unable to open the device.\n");
		//exit(1);
		AfxMessageBox("Unable to open the device.\n");
		return;
	}


	// Create data
	InputBuffer.PortNumber	= 0x0;	// base + 0 = 0x300
	DataValue				= data;
	
	InputBuffer.CharData = (UCHAR)DataValue;
	DataLength = offsetof(GENPORT_WRITE_INPUT, CharData) +
					sizeof(InputBuffer.CharData);

	DeviceIoControl(
						hndFile,				// Handle to device
						IOCTL_GPD_WRITE_PORT_UCHAR,				// IO Control code for Write
						&InputBuffer,			// Buffer to driver.  Holds	port & data.
						DataLength,				// Length of buffer	in bytes.
						NULL,					// Buffer from driver.	 Not used.
						0,						// Length of buffer	in bytes.
						&ReturnedLength,		// Bytes placed	in outbuf.	Should be 0.
						NULL					// NULL	means wait till	I/O	completes.
						);

	CloseHandle(hndFile);

} // WriteByte











/////////////////////////////////////////////////////////////////////////////
// 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()

/////////////////////////////////////////////////////////////////////////////
// CRNH6_00Dlg dialog

CRNH6_00Dlg::CRNH6_00Dlg(CWnd* pParent /*=NULL*/)
	: CDialog(CRNH6_00Dlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CRNH6_00Dlg)
	m_iSlider = 0;
	m_iEdit = 0;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CRNH6_00Dlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CRNH6_00Dlg)
	DDX_Slider(pDX, IDC_SLIDER1, m_iSlider);
	DDX_Text(pDX, IDC_EDIT1, m_iEdit);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CRNH6_00Dlg, CDialog)
	//{{AFX_MSG_MAP(CRNH6_00Dlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
	ON_BN_CLICKED(IDC_BUTTON2, OnButton2)
	ON_WM_HSCROLL()
	ON_EN_CHANGE(IDC_EDIT1, OnChangeEdit1)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CRNH6_00Dlg message handlers

BOOL CRNH6_00Dlg::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

	CSliderCtrl *trackbar = (CSliderCtrl*)GetDlgItem( IDC_SLIDER1);

	trackbar->SetRange(0, 255, TRUE);
	trackbar->SetTicFreq(16);
	trackbar->SetLineSize(1);
	trackbar->SetPageSize(16);

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

void CRNH6_00Dlg::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 CRNH6_00Dlg::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 CRNH6_00Dlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CRNH6_00Dlg::OnButton1() 
{
	//_asm
	//{
	//	mov dx, 0x300
	//	mov al, 0xFF
	//	out dx, al
	//}

	WriteByte ( 0xFF);
}

void CRNH6_00Dlg::OnButton2() 
{
	//_asm
	//{
	//	mov dx, 0x300
	//	mov al, 0x00
	//	out dx, al
	//}

	WriteByte ( 0x00);
}

void CRNH6_00Dlg::OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar) 
{
	// TODO: Add your message handler code here and/or call default

//	CSliderCtrl* slider = (CSliderCtrl*)pScrollBar;
//	int position = slider->GetPos();
//	char s[10];
//	wsprintf(s, "%d   ", position);
//	CClientDC clientDC(this);
//	clientDC.TextOut(390, 22, s);


	UpdateData();
	m_iEdit = m_iSlider;
	UpdateData( FALSE);

	BYTE byData = m_iEdit;

	//_asm
	//{
	//	mov dx, 0x300
	//	mov al, byData
	//	out dx, al
	//}

	WriteByte ( byData);


	CDialog::OnHScroll(nSBCode, nPos, pScrollBar);
}

void CRNH6_00Dlg::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();

	BYTE byData = m_iEdit;

	//_asm
	//{
	//	mov dx, 0x300
	//	mov al, byData
	//	out dx, al
	//}

	WriteByte ( byData);
}