serialdlg.cpp

一个二位式伪随机序列发生演示程序

	m_uMesneData = m_uValue;
	m_ucValue = m_uValue;
	m_uTimer = SetTimer(1,m_uPul,NULL);
	m_gValue.EnableClick(FALSE);

	((CWnd *)GetDlgItem(IDC_EDITBITS))->EnableWindow(FALSE);
	((CWnd *)GetDlgItem(IDC_EDITVALUE))->EnableWindow(FALSE);
	((CWnd *)GetDlgItem(IDC_EDITPATH))->EnableWindow(FALSE);
	((CWnd *)GetDlgItem(IDC_EDIT_PUL))->EnableWindow(FALSE);

	((CWnd *)GetDlgItem(IDC_EXEC))->EnableWindow(FALSE);
	((CWnd *)GetDlgItem(IDC_PAUSE))->EnableWindow(TRUE);
	((CWnd *)GetDlgItem(IDC_STOP))->EnableWindow(TRUE);
	//SetGridsByUInt(&m_gStatus,0,0,m_ucValue);
	m_strOut = _T("");
	m_strPeriod = _T("");
	m_nPLength = 0;

	InvalidateRect(&m_valueRct);
}

void CSerialDlg::OnLButtonDown(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	int nH,nV;
	UINT uHWidth,uVWidth;

	if(m_bIsRunning || m_bIsPause)
		return;

	m_gValue.GetLTTWidth(&uHWidth,&uVWidth);
	m_gValue.GetClickPosition(point,uHWidth,uVWidth,&nH,&nV);
	m_uValue = m_gValue.GridsStatusToUInt(0);
	UpdateData(FALSE);
	InvalidateRect(&m_valueRct);

	CString str(_T(""));
	double max_value = 0;

	str.LoadString(IDS_STRING_VALUEINFO);
	SetDlgItemText(IDC_STATICINFO,str);
	max_value = ldexp(1.0,m_uBits) - 1;
	//CClientDC dc((CWnd *)GetDlgItem(IDC_STATICINFO));
	if(m_uValue <= 0 || (double)m_uValue > max_value)
	{
		m_bVCorrect = FALSE;
		((CWnd *)GetDlgItem(IDC_EXEC))->EnableWindow(FALSE);
		str.Format(_T("    不合法的初值输入！请输入一个在“1”到“%d”之间正确的数值,")\
			_T("或者用下面的方法输入一个二进制式的值！"),(int)max_value);
		SetDlgItemText(IDC_STATICINFO,str);
		m_uValue = 0;
		UpdateData(FALSE);
		return ;
	}

	m_bVCorrect = TRUE;

	if(m_bBCorrect && m_bVCorrect && m_bPCorrect)
		((CWnd *)GetDlgItem(IDC_EXEC))->EnableWindow(TRUE);
	else
		((CWnd *)GetDlgItem(IDC_EXEC))->EnableWindow(FALSE);

	CDialog::OnLButtonDown(nFlags, point);
}

/*
*	// UINT *pOut [out] 移位输出值。
*	// 返回值为每移位一次后的中间产值
*/
UINT CSerialDlg::OnExeCalculation(UINT *pOut)
{
	unsigned int tmp_path = 0;
	unsigned int sum = 0;

	// 得到反馈路径位值
	tmp_path = (m_ucValue >> m_uPath) & 0x00000001;
	// 得到输出位(最低（右）位)值
	*pOut = m_ucValue & 0x00000001;
	// 移出最右一位
	m_ucValue = m_ucValue >> 1;
	// 路径位和输出位作模 2 相加,得到反馈位值
	sum = (tmp_path + *pOut) % 2;

	sum = sum << (m_uBits - 1);
	m_ucValue |= sum;	// 设置反馈位值到最高(左)位

	return m_ucValue; // 返回移位后的值
}

void CSerialDlg::OnTimer(UINT nIDEvent)
{
	// TODO: Add your message handler code here and/or call default
	//int strLength = 0;
	CString strTmp(_T(""));

	m_uMesneData = OnExeCalculation(&m_uOut);

	strTmp.Format("0x%.3X",m_uMesneData);
	m_strStatusHex = strTmp;

	// hex number out
	strTmp.Format("%X",m_uOut);
	m_strOut += strTmp;
	if(m_uMesneData == m_uValue)
	{
		// set the period string
		m_strPeriod = m_strOut.Left(m_nPLength + 1);
		// add the separator to the output string 
		// while circulating finish
		m_strOut += _T("  ");
	}

	// get and set length of a period
	m_nPLength = m_strOut.Find(_T(" "));
	if(m_nPLength == -1)
	{
		m_strPeriod = m_strOut;
		m_nPLength = m_strOut.GetLength();
	}
	else
	{
		// for 5 periods
		if(m_strOut.GetLength() > 5 * (m_nPLength + (int)_tcslen(_T("  "))))
			m_strOut = strTmp;
	}

	InvalidateRect(&m_valueRct);
	CDialog::OnTimer(nIDEvent);
}

void CSerialDlg::OnStop() 
{
	// TODO: Add your control notification handler code here
	if(m_uTimer)
		KillTimer(m_uTimer);

	m_bIsPause = FALSE;

	m_gValue.EnableClick(TRUE);
	m_bIsRunning = FALSE;

	((CWnd *)GetDlgItem(IDC_EDITBITS))->EnableWindow(TRUE);
	((CWnd *)GetDlgItem(IDC_EDITVALUE))->EnableWindow(TRUE);
	((CWnd *)GetDlgItem(IDC_EDITPATH))->EnableWindow(TRUE);
	((CWnd *)GetDlgItem(IDC_EDIT_PUL))->EnableWindow(TRUE);

	((CWnd *)GetDlgItem(IDC_STOP))->EnableWindow(FALSE);
	((CWnd *)GetDlgItem(IDC_PAUSE))->EnableWindow(FALSE);
	((CWnd *)GetDlgItem(IDC_EXEC))->EnableWindow(TRUE);

	CString str(_T(""));
	str.LoadString(IDS_STRING_STOP);
	SetDlgItemText(IDC_STATICINFO,str);
	InvalidateRect(&m_statusRct);
}

void CSerialDlg::OnPause() 
{
	// TODO: Add your control notification handler code here
	if(m_uTimer)
		KillTimer(m_uTimer);

	m_bIsRunning = FALSE;
	m_bIsPause = TRUE;
	m_gValue.EnableClick(FALSE);
	((CWnd *)GetDlgItem(IDC_PAUSE))->EnableWindow(FALSE);
	((CWnd *)GetDlgItem(IDC_EXEC))->EnableWindow(TRUE);

	CString str(_T(""));
	str.LoadString(IDS_STRING_PAUSE);
	SetDlgItemText(IDC_STATICINFO,str);
}

BOOL CSerialDlg::SetGridsByUInt(CGrids *pG, int nH, int nV, UINT value)
{
	BOOL ret = TRUE;
	UINT temp = 0;
	for(int i = 0; i < 8*sizeof(int); i++)
	{
		temp = (value >> i) & 0x00000001;
		ret = pG->SetSelectBox((BOOL)temp,nH,nV + i);
		if(!ret)
			break;
	}
	return TRUE;
}

void CSerialDlg::OnChangeEditbits() 
{
	// TODO: If this is a RICHEDIT control, the control will not
	// send this notification unless you override the CDialog::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	// with the ENM_CHANGE flag ORed into the mask.
	
	// TODO: Add your control notification handler code here
	UpdateData();
	CString str(_T(""));

	str.LoadString(IDS_STRING_BITSINFO);
	SetDlgItemText(IDC_STATICINFO,str);
	if(m_uBits < 3 || m_uBits > 9)
	{
		m_bBCorrect = FALSE;
		((CWnd *)GetDlgItem(IDC_EXEC))->EnableWindow(FALSE);
		str.Format(_T("    不合法的位数输入！请输入一个在“3”到“9”之间的数值,"));
		SetDlgItemText(IDC_STATICINFO,str);

		m_uBits = 0;
		UpdateData(FALSE);
		//((CWnd *)GetDlgItem(IDC_EDITBITS))->SetFocus();
		InvalidateRect(&m_valueRct);
		return ;
	}
	m_bBCorrect = TRUE;

	if(m_bBCorrect && m_bVCorrect && m_bPCorrect)
		((CWnd *)GetDlgItem(IDC_EXEC))->EnableWindow(TRUE);
	else
		((CWnd *)GetDlgItem(IDC_EXEC))->EnableWindow(FALSE);

	InvalidateRect(&m_valueRct);
}

void CSerialDlg::OnChangeEditvalue() 
{
	// TODO: If this is a RICHEDIT control, the control will not
	// send this notification unless you override the CDialog::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	// with the ENM_CHANGE flag ORed into the mask.
	
	// TODO: Add your control notification handler code here
	UpdateData();
	CString str(_T(""));
	double max_value = 0;

	str.LoadString(IDS_STRING_VALUEINFO);
	SetDlgItemText(IDC_STATICINFO,str);
	max_value = ldexp(1.0,m_uBits) - 1;
	//CClientDC dc((CWnd *)GetDlgItem(IDC_STATICINFO));
	if(m_uValue <= 0 || (double)m_uValue > max_value)
	{
		m_bVCorrect = FALSE;
		((CWnd *)GetDlgItem(IDC_EXEC))->EnableWindow(FALSE);
		str.Format(_T("    不合法的初值输入！请输入一个在“1”到“%d”之间正确的数值,")\
			_T("或者用下面的方法输入一个二进制式的值！"),(int)max_value);
		SetDlgItemText(IDC_STATICINFO,str);
		m_uValue = 0;
		UpdateData(FALSE);
		SetGridsByUInt(&m_gValue,0,0,m_uValue);
		InvalidateRect(&m_valueRct);
		return ;
	}

	m_bVCorrect = TRUE;

	if(m_bBCorrect && m_bVCorrect && m_bPCorrect)
		((CWnd *)GetDlgItem(IDC_EXEC))->EnableWindow(TRUE);
	else
		((CWnd *)GetDlgItem(IDC_EXEC))->EnableWindow(FALSE);

	SetGridsByUInt(&m_gValue,0,0,m_uValue);
	InvalidateRect(&m_valueRct);	
}

void CSerialDlg::OnChangeEditpath() 
{
	// TODO: If this is a RICHEDIT control, the control will not
	// send this notification unless you override the CDialog::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	// with the ENM_CHANGE flag ORed into the mask.
	
	// TODO: Add your control notification handler code here
	UpdateData();
	CString str(_T(""));
	double max_value = 0;

	str.LoadString(IDS_STRING_PATHINFO);
	SetDlgItemText(IDC_STATICINFO,str);
	if(m_uPath < 1 || m_uPath >= m_uBits)
	{
		m_bPCorrect = FALSE;
		((CWnd *)GetDlgItem(IDC_EXEC))->EnableWindow(FALSE);
		str.Format(_T("    不合法的反馈路径输入！请输入一个在“1”到“%d”之间的反馈路径"),\
			(int)m_uBits-1);
		SetDlgItemText(IDC_STATICINFO,str);
		m_uPath = 0;
		UpdateData(FALSE);
		return ;
	}
	m_bPCorrect = TRUE;

	max_value = ldexp(1.0,m_uBits) - 1;
	//CClientDC dc((CWnd *)GetDlgItem(IDC_STATICINFO));
	if(m_uValue <= 0 || (double)m_uValue > max_value)
	{
		m_bVCorrect = FALSE;
		((CWnd *)GetDlgItem(IDC_EXEC))->EnableWindow(FALSE);
		str.Format(_T("    不合法的初值输入！请输入一个在“1”到“%d”之间正确的数值,")\
			_T("或者用下面的方法输入一个二进制式的值！"),(int)max_value);
		SetDlgItemText(IDC_STATICINFO,str);
		m_uValue = 0;
		UpdateData(FALSE);
		return ;
	}
	else
		m_bVCorrect = TRUE;

	if(m_bBCorrect && m_bVCorrect && m_bPCorrect)
		((CWnd *)GetDlgItem(IDC_EXEC))->EnableWindow(TRUE);
	else
		((CWnd *)GetDlgItem(IDC_EXEC))->EnableWindow(FALSE);
	InvalidateRect(&m_valueRct);
}

void CSerialDlg::OnSetfocusEditbits() 
{
	// TODO: Add your control notification handler code here
	CString str(_T(""));
	str.LoadString(IDS_STRING_BITSINFO);
	SetDlgItemText(IDC_STATICINFO,str);
}

void CSerialDlg::OnSetfocusEditvalue() 
{
	// TODO: Add your control notification handler code here
	CString str(_T(""));
	str.LoadString(IDS_STRING_VALUEINFO);
	SetDlgItemText(IDC_STATICINFO,str);
}

void CSerialDlg::OnSetfocusEditpath() 
{
	// TODO: Add your control notification handler code here
	CString str(_T(""));
	str.LoadString(IDS_STRING_PATHINFO);
	SetDlgItemText(IDC_STATICINFO,str);
}

void CSerialDlg::OnSetfocusEditPul() 
{
	// TODO: Add your control notification handler code here
	CString str(_T(""));
	str.LoadString(IDS_STRING_SETTIME);
	SetDlgItemText(IDC_STATICINFO,str);	
}