// Sample1Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "Sample1.h"
#include "Sample1Dlg.h"
#include "afxdialogex.h"

#include "cstringt.h"

#include "string.h"
#include "aiousb.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif

// Data array:
unsigned short ADData[128*1024]; //8K scans of 16 channels, or 16K scans of 8 differential channels.


// CAboutDlg dialog used for App About

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

// Dialog Data
	enum { IDD = IDD_ABOUTBOX };

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

// Implementation
protected:
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialogEx(CAboutDlg::IDD)
{
}

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

BEGIN_MESSAGE_MAP(CAboutDlg, CDialogEx)
END_MESSAGE_MAP()


// CSample1Dlg dialog


CSample1Dlg::CSample1Dlg(CWnd* pParent /*=NULL*/)
	: CDialogEx(CSample1Dlg::IDD, pParent)
{
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CSample1Dlg::DoDataExchange(CDataExchange* pDX)
{
	CDialogEx::DoDataExchange(pDX);

	DDX_Control(pDX, IDC_BUTTON_GO, m_BtnGO);
	DDX_Control(pDX, IDC_CHECK_DIFF, m_CheckDiff);
	DDX_Control(pDX, IDC_COMBO_CAL, m_ComboCal);
	DDX_Control(pDX, IDC_COMBO_RANGE, m_ComboRange);
	DDX_Control(pDX, IDC_PROGRESS_00, m_progress0);
	DDX_Control(pDX, IDC_PROGRESS_01, m_progress1);
	DDX_Control(pDX, IDC_PROGRESS_02, m_progress2);
	DDX_Control(pDX, IDC_PROGRESS_03, m_progress3);
	DDX_Control(pDX, IDC_PROGRESS_04, m_progress4);
	DDX_Control(pDX, IDC_PROGRESS_05, m_progress5);
	DDX_Control(pDX, IDC_PROGRESS_06, m_progress6);
	DDX_Control(pDX, IDC_PROGRESS_07, m_progress7);
	DDX_Control(pDX, IDC_PROGRESS_08, m_progress8);
	DDX_Control(pDX, IDC_PROGRESS_09, m_progress9);
	DDX_Control(pDX, IDC_PROGRESS_10, m_progress10);
	DDX_Control(pDX, IDC_PROGRESS_11, m_progress11);
	DDX_Control(pDX, IDC_PROGRESS_12, m_progress12);
	DDX_Control(pDX, IDC_PROGRESS_13, m_progress13);
	DDX_Control(pDX, IDC_PROGRESS_14, m_progress14);
	DDX_Control(pDX, IDC_PROGRESS_15, m_progress15);
	DDX_Control(pDX, IDC_STATIC_STATUS, m_StaticStatus);
	DDX_Control(pDX, IDC_STATIC_CAL, m_staticCal);
	DDX_Control(pDX, IDC_STATIC_RANGE, m_staticRange);
	DDX_Control(pDX, IDC_EDIT_STATUS, m_editStatus);

	DDX_Control(pDX, IDC_STATIC00, m_staticVolt00);
	DDX_Control(pDX, IDC_STATIC01, m_staticVolt01);
	DDX_Control(pDX, IDC_STATIC02, m_staticVolt02);
	DDX_Control(pDX, IDC_STATIC03, m_staticVolt03);
	DDX_Control(pDX, IDC_STATIC04, m_staticVolt04);
	DDX_Control(pDX, IDC_STATIC05, m_staticVolt05);
	DDX_Control(pDX, IDC_STATIC06, m_staticVolt06);
	DDX_Control(pDX, IDC_STATIC07, m_staticVolt07);
	DDX_Control(pDX, IDC_STATIC08, m_staticVolt08);
	DDX_Control(pDX, IDC_STATIC09, m_staticVolt09);
	DDX_Control(pDX, IDC_STATIC10, m_staticVolt10);
	DDX_Control(pDX, IDC_STATIC11, m_staticVolt11);
	DDX_Control(pDX, IDC_STATIC12, m_staticVolt12);
	DDX_Control(pDX, IDC_STATIC13, m_staticVolt13);
	DDX_Control(pDX, IDC_STATIC14, m_staticVolt14);
	DDX_Control(pDX, IDC_STATIC15, m_staticVolt15);
}

BEGIN_MESSAGE_MAP(CSample1Dlg, CDialogEx)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON_GO, &CSample1Dlg::OnBnClickedButtonGo)
	ON_WM_TIMER()
END_MESSAGE_MAP()


// CSample1Dlg message handlers

BOOL CSample1Dlg::OnInitDialog()
{
	CDialogEx::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
	
	bAcquiring = false;
		
	// Default selections:
	m_ComboCal.SetCurSel(0);
	m_ComboRange.SetCurSel(0);

	unsigned long Status, PID, ConfigBufSize;
	double Hz;
	int count;

	DeviceIndex = diOnly;
	
	Status = QueryDeviceInfo(DeviceIndex, &PID, NULL, NULL, NULL, NULL);

	VoltProgress[0] = &m_progress0;
	VoltProgress[1] = &m_progress1;
	VoltProgress[2] = &m_progress2;
	VoltProgress[3] = &m_progress3;
	VoltProgress[4] = &m_progress4;
	VoltProgress[5] = &m_progress5;
	VoltProgress[6] = &m_progress6;
	VoltProgress[7] = &m_progress7;
	VoltProgress[8] = &m_progress8;
	VoltProgress[9] = &m_progress9;
	VoltProgress[10] = &m_progress10;
	VoltProgress[11] = &m_progress11;
	VoltProgress[12] = &m_progress12;
	VoltProgress[13] = &m_progress13;
	VoltProgress[14] = &m_progress14;
	VoltProgress[15] = &m_progress15;

	VoltStatic[0] = &m_staticVolt00;
	VoltStatic[1] = &m_staticVolt01;
	VoltStatic[2] = &m_staticVolt02;
	VoltStatic[3] = &m_staticVolt03;
	VoltStatic[4] = &m_staticVolt04;
	VoltStatic[5] = &m_staticVolt05;
	VoltStatic[6] = &m_staticVolt06;
	VoltStatic[7] = &m_staticVolt07;
	VoltStatic[8] = &m_staticVolt08;
	VoltStatic[9] = &m_staticVolt09;
	VoltStatic[10] = &m_staticVolt10;
	VoltStatic[11] = &m_staticVolt11;
	VoltStatic[12] = &m_staticVolt12;
	VoltStatic[13] = &m_staticVolt13;
	VoltStatic[14] = &m_staticVolt14;
	VoltStatic[15] = &m_staticVolt15;


	if ( ADC_QueryCal(DeviceIndex) != ERROR_SUCCESS )
	{
		//this board doesn't have calibration
		m_staticCal. ShowWindow(false);
		m_ComboCal.ShowWindow(false);
	}

	//Stop the counter, in case it was running.
	Hz = 0;
	CTR_StartOutputFreq(DeviceIndex, 0, &Hz);

	ZeroMemory(&Config, sizeof(Config));
	Config.CalibMode = 0; //Take actual data, not internal calibration sources.
	Config.TrigMode = 5; //Scan selected channels each counter rising edge.
	Config.Oversample = 0;//No oversample.
	ConfigBufSize = sizeof(Config);
	ADC_SetConfig (DeviceIndex, &Config, &ConfigBufSize);
	NextChannel = 0;

	for (count = 0; count <= 15; count++)
	{
		//VoltProgress[count] -> SetRange32(0, 0xFFFF);
		VoltProgress[count] -> SetRange32( -10000, 10000);
		VoltProgress[count] -> SetPos(0);
	}

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

void CSample1Dlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialogEx::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 CSample1Dlg::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
	{
		CDialogEx::OnPaint();
	}
}

// The system calls this function to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CSample1Dlg::OnQueryDragIcon()
{
	return static_cast<HCURSOR>(m_hIcon);
}


void CSample1Dlg::OnBnClickedButtonGo()
{
	// vars:
	unsigned long Status = 0;
	unsigned long ConfigBufSize;
	byte RangeCode = 0;
	double Hz = 0;
	int i = 0;
	
	CString strStatus;
	int calIndex;
	char cAuto[7];
	char cNone[7];
	strcpy_s(cAuto,":AUTO:");
	strcpy_s(cNone,":1TO1:");


	// Test and Set Calibration:
	if(m_ComboCal.IsWindowVisible())
	{
		calIndex = m_ComboCal.GetCurSel();
		if(calIndex == 0)
		{
			Status = ADC_SetCal(DeviceIndex, cAuto);
		}
		else
		{
			Status = ADC_SetCal(DeviceIndex, cNone);
		}
	}
	
	if( Status != ERROR_SUCCESS)
	{
		strStatus.Format(_T("Error setting calibration. Status: %d"), Status);
		m_editStatus.SetWindowTextW(strStatus);
	}

	//Stop the counter, in case it was running.
	Hz = 0;
	CTR_StartOutputFreq(DeviceIndex, 0, &Hz);
		
	//Set range:
	//The ranges in the combo box are listed in order, so that the index is equal to the range code.
	RangeCode = m_ComboRange.GetCurSel();
	if ( m_CheckDiff.GetCheck() ) 
	{
		RangeCode |= 0x08;
	}

	for (i = 0; i <= 15; i++)
		Config.ChannelRange[i] = RangeCode;

	// Set start stop channels:
	if ( m_CheckDiff.GetCheck() != false ) 
	{
		Config.StartStopCH = 0x70; //Select all differential channels, 0 to 7.
	}
	else
	{
		Config.StartStopCH = 0xF0; //Select all channels, 0 to 15.
	}
		
	// Setup config:
	Config.CalibMode = 0; //Take actual data, not internal calibration sources.
	Config.TrigMode = 0x05; //Scan selected channels each counter rising edge.
	Config.Oversample = 0; //No oversample.
	ConfigBufSize = sizeof(Config);

	ADC_SetConfig(DeviceIndex, &Config, &ConfigBufSize);
	
	// Set Channel Displays
 	if ( m_CheckDiff.GetCheck() ) 
	{
			for (i = 8; i <= 15; i++)
			{
				VoltProgress[i]->EnableWindow(false);
				VoltProgress[i]->ShowWindow(false);
				VoltStatic[i]->ShowWindow(false);
			}
	}
	else
	{
			for (i = 8; i <= 15; i++)
			{
				VoltProgress[i]->EnableWindow(true);
				VoltProgress[i]->ShowWindow(true);
				VoltStatic[i]->ShowWindow(true);
			}
	}
	
	//Since we've put it in scan mode above, this is 1kHz per channel, or 16kHz total.
	Hz = 1000;
	CTR_StartOutputFreq(DeviceIndex, 0, &Hz);
  
	//Set the streaming block size fairly small, to make the UI more responsive.
	//The default (large) streaming block size is necessary for a slow computer,
	//or when acquiring close to the max for a fast board.
	AIOUSB_SetStreamingBlockSize(DeviceIndex, 512);

	// Set up Bulk Acquire:
	KnownBytesLeft = 128 * 1024 * sizeof(ADData[0]);  // RBF Fix
	Status = ADC_BulkAcquire(DeviceIndex, KnownBytesLeft, ADData);
	
	// Post messages to GUI:
	if(Status != 0)
	{
		//Error:
		strStatus = "Error Starting acquisition!";
		m_editStatus.SetWindowTextW(strStatus);
	}
	else
	{
		//Acquiring:
		strStatus = "Acquiring Data...";
		m_editStatus.SetWindowTextW(strStatus);
	}
	
	NextSample = 0;
	NextChannel = 0;

	// Set Gui enable states:	
	m_BtnGO.EnableWindow(false);
	m_CheckDiff.EnableWindow(false);
	m_ComboCal.EnableWindow(false);
	m_ComboRange.EnableWindow(false);

	// loop flag
	bAcquiring = true;

	//Start the timer.	
	SetTimer(1, 1, NULL);
}

void CSample1Dlg::OnTimer(UINT_PTR nIDEvent)
{	
	unsigned long Status = 0;
	unsigned long BytesLeft = 0;
	double Volts = 0;
	byte RangeCode = 0;
	int i = 0;
	unsigned short Counts = 0;
	CString strStatus;

	Status = ADC_BulkPoll(DeviceIndex, &BytesLeft);

	// Post messages to GUI:
	if(Status != 0)
	{
		//Error:
		strStatus.Format(_T("Error from ADC_BulkPoll. Status: %d"), Status);
		m_editStatus.SetWindowTextW(strStatus);

		// Set Gui enable states:	
		m_BtnGO.EnableWindow(true);
		m_CheckDiff.EnableWindow(true);
		m_ComboCal.EnableWindow(true);
		m_ComboRange.EnableWindow(true);

		// loop flag
		bAcquiring = false;

		// Exit:
		return;
	}
	else
	{
		//Acquiring:
		//strStatus = "Acquiring!";
		//m_editStatus.SetWindowTextW(strStatus);
	}

	if (BytesLeft >= KnownBytesLeft) return;

	//If we get here, some data has been taken.
	if (BytesLeft == 0)
	{
		// loop flag
		bAcquiring = false;

		// Message:
		strStatus = "Acquisition Complete!";
		m_editStatus.SetWindowTextW(strStatus);

		// Set Gui enable states:	
		m_BtnGO.EnableWindow(true);
		m_CheckDiff.EnableWindow(true);
		m_ComboCal.EnableWindow(true);
		m_ComboRange.EnableWindow(true);
	}

	do
	{
		//Volts = double(Counts) / double(0xFFFF); //"Volts" now holds a value from 0 to 1.
		Volts = double( ADData[NextSample]) / double(0xFFFF); //"Volts" now holds a value from 0 to 1.

		//We're going to use the range code to convert to volts.
		RangeCode = Config.ChannelRange[NextChannel];
		if ((RangeCode & 0x01) != 0) //Bit 0(mask 01 hex) indicates bipolar.
		{
			Volts = Volts * 2 - 1; //"Volts" now holds a value from -1 to +1.
		}
		if ((RangeCode & 0x02) == 0) //Bit 1(mask 02 hex) indicates x2 gain.
		{
			Volts *= 2;
		}
		if ((RangeCode & 0x04) == 0) //Bit 2(mask 04 hex) indicates x5 gain.
		{
			Volts *= 5;
		}
		//"Volts" now holds volts.
    
		//Because the display can be slow, we just display the last reading for each channel.
		ChannelVolts[NextChannel] = Volts;

		KnownBytesLeft -= 2;
		NextSample++;
		NextChannel++;
		if(NextChannel > 15) 
			NextChannel = 0;

	}while (KnownBytesLeft != BytesLeft);
	
	for (i = 0; i <= 15; i++)
	{
		// Update GUI ooutside the previous loop:
		CString strVolt;
		strVolt.Format(_T("%0.3f V"), ChannelVolts[i]);
		VoltStatic[i]->SetWindowText(strVolt);
		Counts = ADData[i];
		VoltProgress[i] -> SetPos((int)(1000 * ChannelVolts[i]));
		
		// Message:
		if(bAcquiring)
		{
			strStatus = "Acquiring Data.";
			m_editStatus.SetWindowTextW(strStatus);
		}
	}

	CDialogEx::OnTimer(nIDEvent);
}