// pci8554Dlg.cpp : implementation file
//

#include "stdafx.h"
#include <time.h>
#include "pci8554.h"
#include "pci8554Dlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif


// 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()


// Cpci8554Dlg dialog


Cpci8554Dlg::Cpci8554Dlg(I16 hCard, CWnd* pParent /*=NULL*/)
	: CDialog(Cpci8554Dlg::IDD, pParent)
{
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
	m_hCard = hCard;
	m_OperationMode = 0;
}

void Cpci8554Dlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	DDX_Control(pDX, IDC_COMBO_MODE, m_cbMode);
}

BEGIN_MESSAGE_MAP(Cpci8554Dlg, CDialog)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	//}}AFX_MSG_MAP
	ON_WM_DESTROY()
	ON_CBN_SELCHANGE(IDC_COMBO_MODE, &Cpci8554Dlg::OnModeSelchange)
	ON_BN_CLICKED(IDC_BT_START, &Cpci8554Dlg::OnBnClickedBtStart)
END_MESSAGE_MAP()


// Cpci8554Dlg message handlers

BOOL Cpci8554Dlg::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

	
	m_cbMode.SetCurSel( m_OperationMode );

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

void Cpci8554Dlg::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 Cpci8554Dlg::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 Cpci8554Dlg::OnQueryDragIcon()
{
	return static_cast<HCURSOR>(m_hIcon);
}

void Cpci8554Dlg::OnDestroy()
{
	CDialog::OnDestroy();

	// TODO: Add your message handler code here
}

void Cpci8554Dlg::OnModeSelchange()
{
	// TODO: Add your control notification handler code here
	int nIndex;
	CString strTmp;

	nIndex = m_cbMode.GetCurSel();
	switch( nIndex )
	{
	case 0:
		SetDlgItemText( IDC_STATIC_INTRO, TEXT("Generate 250 KHz square wave, The clock source of the counter #1 is set to C8M.") );
		m_OperationMode = 0;

		break;
	case 1:
		SetDlgItemText( IDC_STATIC_INTRO, TEXT("Generate one pulse every hour.\n\t<1> the clock source of the counter #1 is set to C8M\n\t<2> the clock source of counter #2, #3 is from #1, #2.") );
		m_OperationMode = 1;

		break;
	case 2:
		SetDlgItemText( IDC_STATIC_INTRO, TEXT("Measure pulse width.\n\t<1> the clock source of the counter #1 is set to C8M\n\t<2> the signal to be measured is connected to GATE1.") );
		m_OperationMode = 2;

		break;
	case 3:
		SetDlgItemText( IDC_STATIC_INTRO, TEXT("Measure signal frequency\n\t<1> Connect the signal to be measured to ECLK1\n\t<2> the clock source of the counter #2,#3 set to C8M, COUT2\n\t<3> the gate source of the counter #1 set to the inverse of COUT3\n\t<4> the gate source of the counter #2, #3 set to High.") );
		m_OperationMode = 3;

		break;
	}
}

void Cpci8554Dlg::OnBnClickedBtStart()
{
	// TODO: Add your control notification handler code here
	U16 under_flow;
	U32 old_value, new_value, value;
	double pulse_width, period, frequency;
	CString strTmp;

	GetDlgItem(IDC_BT_START)->EnableWindow(FALSE);
	
	switch (m_OperationMode) 
	{
	case 0:  //Square Wave
		CTR_8554_CK1_Config(m_hCard, CK1_C8M);
		CTR_8554_ClkSrc_Config(m_hCard, 1, CK1);
		CTR_8554_ClkSrc_Config(m_hCard, 2, CK1);
		CTR_8554_ClkSrc_Config(m_hCard, 3, CK1);
		CTR_8554_ClkSrc_Config(m_hCard, 4, CK1);
		CTR_8554_ClkSrc_Config(m_hCard, 5, CK1);
		CTR_8554_ClkSrc_Config(m_hCard, 6, CK1);
		CTR_8554_ClkSrc_Config(m_hCard, 7, CK1);
		CTR_8554_ClkSrc_Config(m_hCard, 8, CK1);
		CTR_8554_ClkSrc_Config(m_hCard, 9, CK1);
		CTR_8554_ClkSrc_Config(m_hCard, 10, CK1);
		CTR_Setup(m_hCard, 1, 3, 32, BIN);
		CTR_Setup(m_hCard, 2, 3, 32, BIN);
		CTR_Setup(m_hCard, 3, 3, 32, BIN);
		CTR_Setup(m_hCard, 4, 3, 32, BIN);
		CTR_Setup(m_hCard, 5, 3, 32, BIN);
		CTR_Setup(m_hCard, 6, 3, 32, BIN);
		CTR_Setup(m_hCard, 7, 3, 32, BIN);
		CTR_Setup(m_hCard, 8, 3, 32, BIN);
		CTR_Setup(m_hCard, 9, 3, 32, BIN);
		CTR_Setup(m_hCard, 10, 3, 32, BIN);
		SetDlgItemText( IDC_STATIC_STATUS, TEXT("*** 250 KHz square wave is ready on the COUT1 ~ 11 ***") );
		break;

	case 1:  //Pluse Generator
		CTR_8554_CK1_Config(m_hCard, CK1_C8M);
		CTR_8554_ClkSrc_Config(m_hCard, 1, CK1);
		CTR_8554_ClkSrc_Config(m_hCard, 2, COUTN_1);
		CTR_8554_ClkSrc_Config(m_hCard, 3, COUTN_1);
		CTR_Setup(m_hCard, 1, 3, 200, 0);
		CTR_Setup(m_hCard, 2, 3, 200, 0);
		CTR_Setup(m_hCard, 3, 3, 200, 0);
		SetDlgItemText( IDC_STATIC_STATUS, TEXT("*** A pulse per second is ready on the COUT3 ***") );
		break;
	
	case 2:  //Measure Pulse Width
		CTR_8554_CK1_Config(m_hCard, CK1_C8M);
		CTR_8554_ClkSrc_Config(m_hCard, 1, CK1);
		CTR_Setup(m_hCard, 1, 2, 0, BIN);

		under_flow = 0;
		wait_pulse_start();
		time( &m_time1 );

		CTR_Read(m_hCard, 1, &old_value);
		while (1) 
		{
			CTR_Read(m_hCard, 1, &new_value);
			time( &m_time2 );
			period = difftime( m_time2, m_time1 );

			if ( (new_value == old_value) || (period > 5.0) )
				break;

			if ( old_value < new_value ) under_flow++;

			old_value = new_value;
		}
		
		if (period < 5.0) 
		{
			pulse_width = (65536 - new_value + under_flow * 65536 + 1) * 0.125;
			strTmp.Format( TEXT("*** High level pulse width = %f micro-second ***"), pulse_width);
			SetDlgItemText( IDC_STATIC_STATUS, strTmp );
		}
		else
			SetDlgItemText( IDC_STATIC_STATUS, TEXT("*** Measure inappropriate pulse width ***") );
		break;
	
	case 3:  //Measure Frequency
		CTR_8554_ClkSrc_Config(m_hCard, 1, ECKN);
		CTR_8554_CK1_Config(m_hCard, CK1_C8M);
		CTR_8554_ClkSrc_Config(m_hCard, 2, CK1);
		CTR_8554_ClkSrc_Config(m_hCard, 3, COUTN_1);
		CTR_Setup(m_hCard, 1, 2, 65535, 0);
		CTR_Setup(m_hCard, 2, 2, 4, 0);
		CTR_Setup(m_hCard, 3, 0, 65535, 0);
		Sleep(1000);
		CTR_Read(m_hCard, 1, &value);
		period = 65535 - (value&0xffff);
		frequency = period * 2000000 / 65535;
		strTmp.Format( TEXT("Measured Signal Frequency = %f Hz."), frequency);
		SetDlgItemText( IDC_STATIC_STATUS, strTmp );
		break;
	}

	GetDlgItem(IDC_BT_START)->EnableWindow(TRUE);
}

void Cpci8554Dlg::wait_pulse_start(void)
{
	U32 oldvalue,newvalue;
	
	do
	{
		CTR_Read( m_hCard, 1, &oldvalue );
		CTR_Read( m_hCard, 1, &newvalue );

	} while( newvalue != oldvalue );
	
	do
	{
		CTR_Read( m_hCard, 1, &oldvalue );
		CTR_Read( m_hCard, 1, &newvalue );

	} while( newvalue == oldvalue );
}