commsettingsdlg.cpp

串口调试助手的源代码

// From VC4.2 Sample VCTERM
// Modify by JHCC, 1997

// CommSettingsDlg.cpp : implementation of the CCommSettingsDlg class

#include "stdafx.h"
#include "JHHB.h"
#include "CommSettingsDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CCommSettingsDlg dialog

// set up initial settings in dialog to mirror
// the current settings
CCommSettingsDlg::CCommSettingsDlg(CWnd*  pParent)
	: CDialog(CCommSettingsDlg::IDD, pParent)
{	
	//{{AFX_DATA_INIT(CCommSettingsDlg)
	m_bDTRDSR = FALSE;
	m_bRTSCTS = FALSE;
	m_bXONXOFF = FALSE;
	//}}AFX_DATA_INIT

	CString	strCommSection;
	strCommSection.LoadString(IDS_COMMSECTION);

	CString	strCommBaudRateItem;
	strCommBaudRateItem.LoadString(IDS_COMMBAUDRATE);
	int	nBaudRate = ::AfxGetApp()->GetProfileInt(strCommSection, strCommBaudRateItem, DEFAULT_BUADRATE);
	switch (nBaudRate)
	{
	case CBR_300:
		m_baud = 0;
		break;

	case CBR_600:
		m_baud = 1;
		break;

	case CBR_1200:
		m_baud = 2;
		break;

	case CBR_2400:
		m_baud = 3;
		break;

	case CBR_4800:
		m_baud = 4;
		break;

	case CBR_9600:
		m_baud = 5;
		break;

	default:
		m_baud = 0;	// 300
		break;
	}

	CString	strCommDataBitsItem;
	strCommDataBitsItem.LoadString(IDS_COMMDATABITS);
	int	nDataBits = ::AfxGetApp()->GetProfileInt(strCommSection, strCommDataBitsItem, DEFAULT_DATABITS);
	switch (nDataBits)
	{
	case 7:
		m_databits = 0;
		break;

	case 8:
		m_databits = 1;
		break;

	default:
		m_databits = 1;	// 8
		break;
	}

	CString	strCommStopBitsItem;
	strCommStopBitsItem.LoadString(IDS_COMMSTOPBITS);
	int	nStopBits = ::AfxGetApp()->GetProfileInt(strCommSection, strCommStopBitsItem, DEFAULT_STOPBITS);
	switch (nStopBits)
	{
	case ONESTOPBIT:
		m_stopbits = 0;
		break;

	case TWOSTOPBITS:
		m_stopbits = 1;
		break;

	default:
		m_stopbits = 0;	// 1 stop bits
	}

	CString	strCommParityItem;
	strCommParityItem.LoadString(IDS_COMMPARITY);
	int	nParity = ::AfxGetApp()->GetProfileInt(strCommSection, strCommParityItem, DEFAULT_PARITY);
	switch (nParity)
	{
	case NOPARITY:
		m_parity = 0;
		break;

	case ODDPARITY:
		m_parity = 1;
		break;

	case EVENPARITY:
		m_parity = 2;
		break;

	default:
		m_parity = 0;	// NONE
	}

	CString	strCommPortItem;
	strCommPortItem.LoadString(IDS_COMMPORT);
	int	nCommPort = ::AfxGetApp()->GetProfileInt(strCommSection, strCommPortItem, DEFAULT_COMMPORT);
	switch (nCommPort)
	{
	case 1:
		m_comport = 0;
		break;

	case 2:
		m_comport = 1;
		break;

	case 3:
		m_comport = 2;
		break;

	case 4:
		m_comport = 3;
		break;

	default:
		m_comport = 0;	// COMM1
		break;
	}

	CString	strCommFlowCtrlItem;
	strCommFlowCtrlItem.LoadString(IDS_COMMFLOWCTRL);
	int	nFlowCtrl = ::AfxGetApp()->GetProfileInt(strCommSection, strCommFlowCtrlItem, DEFAULT_FLOWCTRLS);
	if (nFlowCtrl & PCF_DTRDSR)
		m_bDTRDSR = TRUE;
	
	if (nFlowCtrl & PCF_RTSCTS)
		m_bRTSCTS = TRUE;
	
	if (nFlowCtrl & PCF_XONXOFF)
		m_bXONXOFF = TRUE;
}

void CCommSettingsDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CCommSettingsDlg)
	DDX_Radio(pDX, IDC_BAUD1, m_baud);
	DDX_Radio(pDX, IDC_COM1, m_comport);
	DDX_Radio(pDX, IDC_DATABITS1, m_databits);
	DDX_Radio(pDX, IDC_PARITY1, m_parity);
	DDX_Radio(pDX, IDC_STOPBITS1, m_stopbits);
	DDX_Check(pDX, IDC_DTR_DSR, m_bDTRDSR);
	DDX_Check(pDX, IDC_RTS_CTS, m_bRTSCTS);
	DDX_Check(pDX, IDC_XON_XOFF, m_bXONXOFF);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CCommSettingsDlg, CDialog)
	//{{AFX_MSG_MAP(CCommSettingsDlg)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCommSettingsDlg message handlers

void CCommSettingsDlg::OnOK() 
{
	// update various dialog data members
	UpdateData(TRUE);

	CString	strCommSection;
	strCommSection.LoadString(IDS_COMMSECTION);

	CString	strCommBaudRateItem;
	strCommBaudRateItem.LoadString(IDS_COMMBAUDRATE);
	::AfxGetApp()->WriteProfileInt(strCommSection, strCommBaudRateItem, GetBaudRate());

	CString	strCommDataBitsItem;
	strCommDataBitsItem.LoadString(IDS_COMMDATABITS);
	::AfxGetApp()->WriteProfileInt(strCommSection, strCommDataBitsItem, GetDataBits());

	CString	strCommStopBitsItem;
	strCommStopBitsItem.LoadString(IDS_COMMSTOPBITS);
	::AfxGetApp()->WriteProfileInt(strCommSection, strCommStopBitsItem, GetStopBits());

	CString	strCommParityItem;
	strCommParityItem.LoadString(IDS_COMMPARITY);
	::AfxGetApp()->WriteProfileInt(strCommSection, strCommParityItem, GetParity());

	CString	strCommPortItem;
	strCommPortItem.LoadString(IDS_COMMPORT);
	::AfxGetApp()->WriteProfileInt(strCommSection, strCommPortItem, GetCommPort());

	CString	strCommFlowCtrlItem;
	strCommFlowCtrlItem.LoadString(IDS_COMMFLOWCTRL);
	::AfxGetApp()->WriteProfileInt(strCommSection, strCommFlowCtrlItem, GetFlowCtrls());
	
	EndDialog(IDOK);
}

DWORD	CCommSettingsDlg::GetBaudRate(void)
{
	switch (m_baud)
	{
	case 0:
		return  CBR_300;
		break;

	case 1:
		return  CBR_600;
		break;

	case 2:
		return  CBR_1200;
		break;

	case 3:
		return  CBR_2400;
		break;

	case 4:
		return  CBR_4800;
		break;

	case 5:
		return  CBR_9600;

	default:
		ASSERT(FALSE);
		return  DEFAULT_BUADRATE;
	}
}

BYTE	CCommSettingsDlg::GetDataBits(void)
{
	switch (m_databits)
	{
	case 0:
		return  7;
		break;

	case 1:
		return  8;
		break;

	default:
		ASSERT(FALSE);
		return  DEFAULT_DATABITS;
	}
}

BYTE	CCommSettingsDlg::GetStopBits(void)
{
	switch (m_stopbits)
	{
	case 0:
		return  ONESTOPBIT;
		break;

	case 1:
		return  TWOSTOPBITS;
		break;

	default:
		ASSERT(FALSE);
		return  ONESTOPBIT;
	}
}

BYTE	CCommSettingsDlg::GetParity(void)
{
	switch (m_parity)
	{
	case 0:
		return  NOPARITY;
		break;

	case 1:
		return  ODDPARITY;
		break;

	case 2:
		return  EVENPARITY;
		break;

	default:
		ASSERT(FALSE);
		return  NOPARITY;
	}
}

BYTE	CCommSettingsDlg::GetCommPort(void)
{
	return  m_comport + 1;
}

BYTE	CCommSettingsDlg::GetFlowCtrls(void)
{
	BYTE	byteFlowCtrl = 0;

	if (m_bDTRDSR)
		byteFlowCtrl |= PCF_DTRDSR;

	if (m_bRTSCTS)
		byteFlowCtrl |= PCF_RTSCTS;
	
	if (m_bXONXOFF)
		byteFlowCtrl |= PCF_XONXOFF;

	return  byteFlowCtrl;
}

BOOL CCommSettingsDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	CenterWindow();
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

void CCommSettingsDlg::OnCancel() 
{
	// TODO: Add extra cleanup here
	
	CDialog::OnCancel();
}