rsdlg.cpp

VC下实现RS编码、解码功能

// RSDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Test.h"
#include "RSDlg.h"
#include "EnDe_Code.h"

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

/////////////////////////////////////////////////////////////////////////////
// CRSDlg dialog


CRSDlg::CRSDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CRSDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CRSDlg)
	m_ResData = _T("");
	m_RSCode = _T("");
	//}}AFX_DATA_INIT
	data=NULL;
}


void CRSDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CRSDlg)
	DDX_Control(pDX, IDC_EDIT_RSCODE, m_edCode);
	DDX_Text(pDX, IDC_EDIT_RESDATA, m_ResData);
	DDX_Text(pDX, IDC_EDIT_RSCODE, m_RSCode);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CRSDlg, CDialog)
	//{{AFX_MSG_MAP(CRSDlg)
	ON_BN_CLICKED(IDC_BUTTON_RSCODE, OnButtonRscode)
	ON_BN_CLICKED(IDC_BUTTON_INITDATA, OnButtonInitdata)
	ON_BN_CLICKED(IDC_BUTTON_RSDECODE, OnButtonRsdecode)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CRSDlg message handlers

void CRSDlg::OnButtonRscode() 
{
	// TODO: Add your control notification handler code here
	if(!data)
		return ;

	CEnDe_Code code;

    code.encode(data);

	CString lineno;
    m_RSCode.Empty();
	
	for(int i=1;i<NN+2;i++)
    {
		
	//	TRACE("data[%d]:%d\n",i,data[i-1]);
       
		
		m_RSCode+=ByteToBit(data[i-1]);
		
				
		if(i%4==0) 
		{
			lineno.Format("   %d\r\n",i/4);
			m_RSCode+=lineno;
			
		}
			
	}
	
    
	UpdateData(FALSE);	

//	free(data);
//	data=NULL;
}

void CRSDlg::OnButtonInitdata() 
{
	// TODO: Add your control notification handler code here
	CString lineno;
	
	data=(BYTE *)malloc(sizeof(BYTE)*(NN+1));
	if(!data) return ;

    m_ResData.Empty();

	for(int i=1;i<KK+1;i++)
    {
		data[i-1]=i%255;
		
		m_ResData+=ByteToBit(data[i-1]);
		
				
		if(i%4==0) 
		{
			lineno.Format("   %d\r\n",i/4);
			m_ResData+=lineno;
		}
			
	}

//	for(i=KK;i<NN+1;i++)
//        data[i]=0;

	
	UpdateData(FALSE);	
   

}

CString CRSDlg::ByteToBit(BYTE byte)
{
	BYTE mask=128;
	CString bits;
	bits="";
	for(int i=0;i<8;i++)
	{
		if(byte&mask)
			bits+="1";
		else
			bits+="0";
		mask>>=1;
	//	TRACE("mask:%\n",mask);
	}
	bits+=" ";
    return bits;
}

void CRSDlg::OnButtonRsdecode() 
{
	// TODO: Add your control notification handler code here
	if(data==NULL) return;
	
	ReceiveData();

	

	CEnDe_Code code;
	
	code.decode(data);
    
	CString lineno;
   
	m_RSCode="";
	UpdateData(FALSE);
   Sleep(2000);
	
	
	for(int i=1;i<NN+2;i++)
    {
		
		TRACE("data[%d]:%d\n",i,data[i-1]);
       
		
		m_RSCode+=ByteToBit(data[i-1]);
		
				
		if(i%4==0) 
		{
			lineno.Format("   %d\r\n",i/4);
			m_RSCode+=lineno;
		}
	
			
	}
	

	UpdateData(FALSE);	
}

void CRSDlg::ReceiveData()
{
	int i,j;
	CString strLine;
    TCHAR szLine[MAX_PATH];

	for(i=0;i<NN+1;i++)
	   data[i]=0;
    
	UpdateData(TRUE);
	
    for(i=0;i<64;i++)
	{
		strLine="";
		m_edCode.GetLine(i,szLine);
		strLine=szLine;		
		for(j=0;j<4;j++)
		{
			data[i*4+j]=BitsToByte(strLine.Mid(9*j,8));
			TRACE("%s\n",strLine.Mid(9*j,8));
		}


	}
	


}

BYTE CRSDlg::BitsToByte(CString bits8)
{
	BYTE byte=0;
	BYTE mask=128;
	for(int i=0;i<8;i++)
	{
		if(bits8.GetAt(i)=='1')
			byte|=mask;
		mask>>=1;
	}
	return byte;

}

BOOL CRSDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here
	CEdit *pWnd=(CEdit *)GetDlgItem(IDC_EDIT_RESDATA);
	pWnd->SetReadOnly(TRUE);
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}