analyzehexdlg.cpp

此代码是分析Hex文件格式的软件

// AnalyzeHexDlg.cpp : implementation file
//

#include "stdafx.h"
#include "AnalyzeHex.h"
#include "AnalyzeHexDlg.h"

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

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

/////////////////////////////////////////////////////////////////////////////
// CAnalyzeHexDlg dialog

CAnalyzeHexDlg::CAnalyzeHexDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CAnalyzeHexDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CAnalyzeHexDlg)
		// 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 CAnalyzeHexDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAnalyzeHexDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAnalyzeHexDlg, CDialog)
	//{{AFX_MSG_MAP(CAnalyzeHexDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON_HEX, OnButtonHex)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CAnalyzeHexDlg message handlers

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

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

void CAnalyzeHexDlg::OnButtonHex() 
{
	// TODO: Add your control notification handler code here
	int i=0;
	int iTotal=0;
	CString szBuffer;
	CStdioFile  f1;
	if(f1.Open("F:\\潍柴EOL项目\\AnalyzeHex\\Debug\\wp12.480_economic.hex",CFile::modeReadWrite)==FALSE) 
	{
		::AfxMessageBox("Can not open the file!");
		return ;
	}
	CString strAddress = "1D7F1A";
	long lFindAddress = (BtoH(strAddress[0])<<20) + (BtoH(strAddress[1])<<16) + (BtoH(strAddress[2])<<12)\
		               + (BtoH(strAddress[3])<<8) + (BtoH(strAddress[4])<<4) + BtoH(strAddress[5]);
	long lCount = 0x10000;
	int iLineLen;
	while(f1.ReadString(szBuffer))
	{
		if(szBuffer[7] == '0' && szBuffer[8] =='0')
		{
			iLineLen = (BtoH(szBuffer[1])<<4) + BtoH(szBuffer[2]);
			if(lCount + iLineLen < lFindAddress)
			{
				lCount +=iLineLen;
			//	szBuffer.SetAt(0,'w');
			//	f1.Seek(-(iLineLen*2+11 + 2),CFile::current);
			//	f1.WriteString(szBuffer);
			//	break;
			}
			else
			{
				szBuffer.SetAt(((lFindAddress - lCount)*2 + 9),'4');
				szBuffer.SetAt(((lFindAddress - lCount)*2 + 10),'4');
				f1.Seek(-(iLineLen*2+11 + 2),CFile::current);
				unsigned char nTemp=0;
				for(int i=1; i<=iLineLen*2 + 7; i = i+2)
				{
					nTemp +=(BtoH(szBuffer[i]) <<4) + BtoH(szBuffer[i+1]);
				}
				nTemp =0xff - nTemp + 0x01;
				char TempHCs,TempLCs;

				HtoB(nTemp,&TempHCs,&TempLCs);
					
				szBuffer.SetAt((iLineLen*2 + 9),TempHCs);
				szBuffer.SetAt((iLineLen*2 + 10),TempLCs);
				f1.WriteString(szBuffer);
				break;
			}
		}
	}
}

//将16进制的一个字符转换为十进制的数
unsigned char CAnalyzeHexDlg::BtoH(char ch)
{
	//0-9
	if (ch >= '0' && ch <= '9') 
		return (ch - '0');         
	
	//9-15
	if (ch >= 'A' && ch <= 'F') 
		return (ch - 'A' + 0xA);   
	
	//9-15
	if (ch >= 'a' && ch <= 'f')
		return (ch - 'a' + 0xA);  
	return(255); 
}

void  CAnalyzeHexDlg::HtoB(unsigned char nDecimal, char *pHBuffer,char *pLBuffer)
{
	
	int nYushu;	//余数
	int nShang;	//商

	nYushu = nDecimal%16;
	nShang = nDecimal/16;

	if(nYushu<10)
		*pLBuffer = '0' + nYushu;
	else
	{
		*pLBuffer = 'A' + (nYushu-10);		
	}
	
	if(nShang<10)
		*pHBuffer = '0' + nShang;
	else
	{
		*pHBuffer = 'A' + (nShang-10);		
	}

}