// Sample 0Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "Sample 0.h"
#include "Sample 0Dlg.h"
#include "ACCES32.h"

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

#define InsCR(x) x += 0x0d; x += 0x0a;

unsigned int BaseAddress;
bool TestRunning = false;
UINT TestTimer;
CString *VoltsLabels[8];
CString *CountsLabels[8];

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

CSample0Dlg::CSample0Dlg(CWnd* pParent /*=NULL*/)
	: CDialog(CSample0Dlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CSample0Dlg)
	m_CountsLabel0 = _T("");
	m_CountsLabel1 = _T("");
	m_CountsLabel2 = _T("");
	m_CountsLabel3 = _T("");
	m_CountsLabel4 = _T("");
	m_CountsLabel5 = _T("");
	m_CountsLabel6 = _T("");
	m_CountsLabel7 = _T("");
	m_Instructions = _T("");
	m_VoltsLabel0 = _T("");
	m_VoltsLabel1 = _T("");
	m_VoltsLabel2 = _T("");
	m_VoltsLabel3 = _T("");
	m_VoltsLabel4 = _T("");
	m_VoltsLabel5 = _T("");
	m_VoltsLabel6 = _T("");
	m_VoltsLabel7 = _T("");
	m_BaseEdit = _T("300");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CSample0Dlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CSample0Dlg)
	DDX_Control(pDX, IDC_BaseEdit, m_BaseEditCtrl);
	DDX_Control(pDX, IDOK, m_TestButtonCtrl);
	DDX_Text(pDX, IDC_CountsLabel0, m_CountsLabel0);
	DDX_Text(pDX, IDC_CountsLabel1, m_CountsLabel1);
	DDX_Text(pDX, IDC_CountsLabel2, m_CountsLabel2);
	DDX_Text(pDX, IDC_CountsLabel3, m_CountsLabel3);
	DDX_Text(pDX, IDC_CountsLabel4, m_CountsLabel4);
	DDX_Text(pDX, IDC_CountsLabel5, m_CountsLabel5);
	DDX_Text(pDX, IDC_CountsLabel6, m_CountsLabel6);
	DDX_Text(pDX, IDC_CountsLabel7, m_CountsLabel7);
	DDX_Control(pDX, IDC_ErrorStatus, m_ErrorStatus);
	DDX_Text(pDX, IDC_Instructions, m_Instructions);
	DDX_Text(pDX, IDC_VoltsLabel0, m_VoltsLabel0);
	DDX_Text(pDX, IDC_VoltsLabel1, m_VoltsLabel1);
	DDX_Text(pDX, IDC_VoltsLabel2, m_VoltsLabel2);
	DDX_Text(pDX, IDC_VoltsLabel3, m_VoltsLabel3);
	DDX_Text(pDX, IDC_VoltsLabel4, m_VoltsLabel4);
	DDX_Text(pDX, IDC_VoltsLabel5, m_VoltsLabel5);
	DDX_Text(pDX, IDC_VoltsLabel6, m_VoltsLabel6);
	DDX_Text(pDX, IDC_VoltsLabel7, m_VoltsLabel7);
	DDX_Text(pDX, IDC_BaseEdit, m_BaseEdit);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CSample0Dlg, CDialog)
	//{{AFX_MSG_MAP(CSample0Dlg)
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_WM_TIMER()
	ON_BN_CLICKED(IDOK, OnStartButtonClick)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSample0Dlg message handlers

BOOL CSample0Dlg::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
	
   CountsLabels[0] = &m_CountsLabel0;
   CountsLabels[1] = &m_CountsLabel1;
   CountsLabels[2] = &m_CountsLabel2;
   CountsLabels[3] = &m_CountsLabel3;
   CountsLabels[4] = &m_CountsLabel4;
   CountsLabels[5] = &m_CountsLabel5;
   CountsLabels[6] = &m_CountsLabel6;
   CountsLabels[7] = &m_CountsLabel7;

   VoltsLabels[0] = &m_VoltsLabel0;
   VoltsLabels[1] = &m_VoltsLabel1;
   VoltsLabels[2] = &m_VoltsLabel2;
   VoltsLabels[3] = &m_VoltsLabel3;
   VoltsLabels[4] = &m_VoltsLabel4;
   VoltsLabels[5] = &m_VoltsLabel5;
   VoltsLabels[6] = &m_VoltsLabel6;
   VoltsLabels[7] = &m_VoltsLabel7;

   m_Instructions = "Sample 0";
   InsCR(m_Instructions);
   m_Instructions += "This sample reads from all channels on the A/D card and displays them for you.";
   InsCR(m_Instructions);
   m_Instructions += "Board Configuration Requirements:";
   InsCR(m_Instructions);
   m_Instructions += "RANGE:        5 Volt Range";
   InsCR(m_Instructions);
   m_Instructions += "POLARITY:     Bipolar";
   InsCR(m_Instructions);
   m_Instructions += "Please enter the base address (in hex) in the text box below, and click the 'Start Test' button to begin.";

   if (InPortB(0x61) == 0xAA55) {
      MessageBox("ACCESNT.SYS not detected. Please copy ACCESNT.SYS into [NT]/system32/drivers and re-run this sample.", "Warning", MB_OK);
   }

	// TODO: Add extra initialization here

   UpdateData(false);
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

// 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 CSample0Dlg::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 CSample0Dlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CSample0Dlg::OnTimer(UINT nIDEvent) 
{
//   TestRunning = true;
   int chan, counts;
   unsigned int timeout;
   double volts;
   char TempString[255];

   UpdateData(true);
   for (chan = 0; chan <= 7; chan++) {
      timeout = 65535;
      OutPortB(BaseAddress + 2, chan | 0x08);            // write channel

      while (!CheckForEOC(BaseAddress) && (timeout > 0))
         timeout--;
      if (timeout == 0) {
         m_ErrorStatus.SetWindowText("A/D timeout on Channel " + chan);
         *CountsLabels[chan] = "A/D Timeout";
         *VoltsLabels[chan] = "A/D Timeout";
      }  //  end if timeout
      else {
         counts = InPort(BaseAddress + 2);
         volts = ((counts ^ 2048) - 2048.0) * 0.00244;

         sprintf(TempString, "%4d", counts);
         *CountsLabels[chan] = TempString;
         sprintf(TempString, "%9.8f", volts);
         *VoltsLabels[chan] = TempString;
      }  //  end else
   }  //  end for chan
   UpdateData(false);
	
	CDialog::OnTimer(nIDEvent);
}

void CSample0Dlg::OnStartButtonClick() 
{
   if (TestRunning) {
      m_ErrorStatus.SetWindowText("");
      m_TestButtonCtrl.SetWindowText("Start Test");
      m_BaseEditCtrl.EnableWindow(true);     
      KillTimer(TestTimer);      
      TestRunning = false;
   }  //  end if
   else {
      sscanf(m_BaseEdit.GetBuffer(0), "%x", &BaseAddress);	
      m_TestButtonCtrl.SetWindowText("Abort Test");
      m_BaseEditCtrl.EnableWindow(false);    
      TestRunning = true;
      TestTimer = SetTimer(1, 100, NULL);
   }  //  end else

   UpdateData(false);
}

bool CSample0Dlg::CheckForEOC(int Address)
{
   unsigned short EOCCheck;

   EOCCheck = InPortB(Address);
   return ((EOCCheck & 0x80) == 0x80);
}