ds2wdlg.cpp

lpt to i2c converter source code

// DS2WDlg.cpp : implementation file
//

//***************************************************************************
//---------------------------------------------------------------------------
// Copyright (C) 2002 Dallas Semiconductor Corporation, All Rights Reserved.
// 
// Permission is hereby granted, free of charge, to any person obtaining a 
// copy of this software and associated documentation files (the "Software"), 
// to deal in the Software without restriction, including without limitation 
// the rights to use, copy, modify, merge, publish, distribute, sublicense, 
// and/or sell copies of the Software, and to permit persons to whom the 
// Software is furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included 
// in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 
// MERCHANTABILITY,  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
// IN NO EVENT SHALL DALLAS SEMICONDUCTOR BE LIABLE FOR ANY CLAIM, DAMAGES 
// OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 
// OTHER DEALINGS IN THE SOFTWARE.
// 
// Except as contained in this notice, the name of Dallas Semiconductor 
// shall not be used except as stated in the Dallas Semiconductor 
// Branding Policy. 

#include "stdafx.h"
#include "DS2W.h"
#include "DS2WDlg.h"
#include "DSPIC.h"

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

CdsPic Pic;


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

/////////////////////////////////////////////////////////////////////////////
// CDS2WDlg dialog

CDS2WDlg::CDS2WDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CDS2WDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CDS2WDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CDS2WDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CDS2WDlg)
	DDX_Control(pDX, IDC_EDIT_WBYTE2, m_EDIT_WBYTE2);
	DDX_Control(pDX, IDC_EDIT_WBYTE1, m_EDIT_WBYTE1);
	DDX_Control(pDX, IDC_EDIT_STATUS, m_EDIT_STATUS);
	DDX_Control(pDX, IDC_EDIT_RNACK, m_EDIT_RNACK);
	DDX_Control(pDX, IDC_EDIT_RACK_BYTES, m_EDIT_RACK_NUM);
	DDX_Control(pDX, IDC_EDIT_RACK, m_EDIT_RACK);
	DDX_Control(pDX, IDC_EDIT_ADDR, m_EDIT_ADDR);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CDS2WDlg, CDialog)
	//{{AFX_MSG_MAP(CDS2WDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(ID_RBYTE_ACK, OnRbyteAck)
	ON_BN_CLICKED(ID_RBYTE_NACK, OnRbyteNack)
	ON_BN_CLICKED(ID_WADDR, OnWaddr)
	ON_BN_CLICKED(ID_WBYTE1, OnWbyte1)
	ON_BN_CLICKED(ID_WBYTE2, OnWbyte2)
	ON_BN_CLICKED(ID_START, OnStart)
	ON_BN_CLICKED(ID_STOP, OnStop)
	ON_BN_CLICKED(ID_RADDR, OnRaddr)
	ON_BN_CLICKED(ID_CANCEL, OnCancel)
	ON_BN_CLICKED(IDC_FIND_ADDRESS, OnFindAddress)
	ON_BN_CLICKED(IDC_RESET_BUS, OnResetBus)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDS2WDlg message handlers

BOOL CDS2WDlg::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
	
	// INIT ALL EDIT BOXES
	m_EDIT_ADDR.SetWindowText("");
	m_EDIT_RACK.SetWindowText("");
	m_EDIT_RACK_NUM.SetWindowText("01");
	m_EDIT_RNACK.SetWindowText("");
	m_EDIT_WBYTE1.SetWindowText("");
	m_EDIT_WBYTE2.SetWindowText("");

	if(!Pic.BoardPresent())
	{
		m_EDIT_STATUS.SetWindowText("Board Not Found");	
		MessageBox("DS2W Board Not Found");
	}
	else
		m_EDIT_STATUS.SetWindowText("Welcome to DS2W, COM Port Initialized");


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

void CDS2WDlg::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 CDS2WDlg::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 CDS2WDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}


void CDS2WDlg::OnRbyteAck() 
{	// reads a byte(s) with Ack, # bytes edit used to determine # bytes to read
	CWaitCursor wait;   // Scope of Wait Cursor Entire Function
	bool success = false, error = false;
	UCHAR data[8] = "GHIJKLM";
	UCHAR bytecount = 0;
	int dc = 0;
	char buf[80], temp[80];
	m_EDIT_RACK_NUM.GetWindowText(buf,3);
	
	for(int count=0; count <=80; count++)
	{
		if((buf[count]>=48) && (buf[count]<=57))
			data[dc] = (buf[count] - 48)*16;
		else if(buf[count]>=65 && buf[count]<=70)
			data[dc] = (buf[count]-55)*16;
		else if(buf[count]>=97 && buf[count]<=102)
			data[dc] = (buf[count]-87)*16;
		else if(buf[count] == 0)
		{
			bytecount = dc;
			break;
		}
		else
		{
			error = true;
			break;
		}
		count++;
		if(buf[count]>=48 && buf[count]<=57)
			data[dc] += (buf[count] - 48);
		else if(buf[count]>=65 && buf[count]<=70)
			data[dc] += (buf[count]-55);
		else if(buf[count]>=97 && buf[count]<=102)
			data[dc] += (buf[count]-87);
		else
		{
			error = true;
			break;
		}
		dc++;
	}
	if(error == true)
		{
			MessageBox("Number Of Bytes Invalid");
		}
	else
	{
		strcpy(buf, "");
		if(data[0] > 8 || data[0] <1)
			MessageBox("Valid Values For Byte Count Are 1 To 8", "Range Error");
		else
		{
			for(count = 0; count < data[0]; count++)
			{
				success = Pic.ReadSlave2W(data[1], true);
				if (success == false)
					MessageBox("Data RX Failed", "COM Error");
				else
				{
					_itoa(data[1],temp, 16);
					if(temp[1] == 0)
					{
						temp[2] = 0;
						temp[1] = temp[0];
						temp[0] = '0';
					}
					strcat(buf, temp);
				}
			}
		}
		strcat(buf, "h");
		m_EDIT_RACK.SetWindowText(buf);
		m_EDIT_STATUS.SetWindowText("Read w/ACK");
	}

	
}

void CDS2WDlg::OnRbyteNack() 
{	// reads 1 byte with Nack
	CWaitCursor wait;   // Scope of Wait Cursor Entire Function
	bool success = false;
	UCHAR data;
	char buf[80] = "";

	success = Pic.ReadSlave2W(data, false);
	if (success == false)
		MessageBox("Data RX Failed", "COM Error");
	else
	{
		_itoa(data, buf,16);
		if(buf[1] == 0)
		{
			buf[2]=0;
			buf[1]=buf[0];
			buf[0]='0';
		}
		strcat(buf, "h");
		m_EDIT_RNACK.SetWindowText(buf);
		m_EDIT_STATUS.SetWindowText("Read w/NACK");
	}

}

void CDS2WDlg::OnWaddr() 
{	// Writes the address in WADDR edit box out to 2-wire bus
	CWaitCursor wait;   // Scope of Wait Cursor Entire Function
	bool success = false, error = false;
	UCHAR data[8] = "GHIJKLM";
	UCHAR bytecount = 0;