serial communicationdlg.cpp

haojige

// Serial CommunicationDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Serial Communication.h"
#include "Serial CommunicationDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CSerialCommunicationDlg dialog

CSerialCommunicationDlg::CSerialCommunicationDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CSerialCommunicationDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CSerialCommunicationDlg)
	m_strPort = _T("3");
	m_strBaudRate = _T("9600");
	m_strDataBits = _T("8");
	m_strParity = _T("None");
	m_strStopBits = _T("1");
	m_strTime = _T("Sampling Time 1.00sec");
	m_strTxdMessage = _T("Txd Message");
	m_intSingle = 0;
	m_intContinuous = -1;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32	
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CSerialCommunicationDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CSerialCommunicationDlg)
	DDX_Control(pDX, IDC_OPEN_COMM_PORT, m_ctrlOpenCommPort);
	DDX_Control(pDX, IDC_TIMER1, m_ctrlTimer);	
	DDX_CBString(pDX, IDC_PORT, m_strPort);
	DDV_MaxChars(pDX, m_strPort, 21);
	DDX_CBString(pDX, IDC_BAUDRATE, m_strBaudRate);
	DDV_MaxChars(pDX, m_strBaudRate, 21);
	DDX_CBString(pDX, IDC_DATABITS, m_strDataBits);
	DDV_MaxChars(pDX, m_strDataBits, 21);
	DDX_CBString(pDX, IDC_PARITY, m_strParity);
	DDV_MaxChars(pDX, m_strParity, 21);
	DDX_CBString(pDX, IDC_STOPBITS, m_strStopBits);
	DDV_MaxChars(pDX, m_strStopBits, 21);
	DDX_Text(pDX, IDC_STATIC_TIME, m_strTime);
	DDX_Control(pDX, IDC_SLIDER_TIME, m_ctrlTime);
	DDX_Control(pDX, IDC_RXD_MESSAGE, m_ctrlRxdMessage);
	DDX_Text(pDX, IDC_TXD_MESSAGE, m_strTxdMessage);
	DDV_MaxChars(pDX, m_strTxdMessage, 128);
	DDX_Radio(pDX, IDC_SINGLE, m_intSingle);
	DDX_Radio(pDX, IDC_CONTINUOUS, m_intContinuous);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CSerialCommunicationDlg, CDialog)
	//{{AFX_MSG_MAP(CSerialCommunicationDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_SINGLE, OnSingle)
	ON_BN_CLICKED(IDC_CONTINUOUS, OnContinuous)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSerialCommunicationDlg message handlers

BOOL CSerialCommunicationDlg::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 CSerialCommunicationDlg::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 CSerialCommunicationDlg::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 CSerialCommunicationDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

BEGIN_EVENTSINK_MAP(CSerialCommunicationDlg, CDialog)
    //{{AFX_EVENTSINK_MAP(CSerialCommunicationDlg)
	ON_EVENT(CSerialCommunicationDlg, IDC_OPEN_COMM_PORT, -610 /* Click */, OnClickOpenCommPort, VTS_NONE)
	ON_EVENT(CSerialCommunicationDlg, IDC_TIMER1, 1 /* Timer */, OnTimerTimer1, VTS_NONE)
	ON_EVENT(CSerialCommunicationDlg, IDC_SLIDER_TIME, 1 /* Scroll */, OnScrollSliderTime, VTS_NONE)
	//}}AFX_EVENTSINK_MAP
END_EVENTSINK_MAP()

void CSerialCommunicationDlg::OnClickOpenCommPort() 
{	
	// TODO: Add your control notification handler code here
	if (m_ctrlOpenCommPort.GetValue().boolVal)
	{
		CString Settings;

		UpdateData(true);

		Comms.Port(atoi(m_strPort));

		Settings.Format("%s,%c,%s,%s", m_strBaudRate, m_strParity[0], m_strDataBits, m_strStopBits);
		Comms.Settings(Settings);
		Comms.InputLength(512);
		Comms.OutputLength(512);	
		Comms.PortOpen(true);
		
		m_ctrlTimer.SetInterval(m_ctrlTime.GetValue() * 50);
		m_ctrlTimer.SetEnabled(-1);
	}
	else
	{
		Comms.PortOpen(false);

		m_ctrlTimer.SetEnabled(0);
	}
}

void CSerialCommunicationDlg::OnTimerTimer1() 
{
	// TODO: Add your control notification handler code here
	UpdateData(true);
    Comms.Write(m_strTxdMessage);

	m_ctrlRxdMessage.SetCaption(Comms.Read(8));

	if (m_intSingle == 0)
		m_ctrlTimer.SetEnabled(0);	
}

void CSerialCommunicationDlg::OnScrollSliderTime() 
{
	// TODO: Add your control notification handler code here
	if (m_ctrlTime.GetValue() < 20)
		m_strTime.Format("Sampling Time %dms", m_ctrlTime.GetValue() * 50); 
	else
		m_strTime.Format("Sampling Time %2.2fsec", (float) m_ctrlTime.GetValue() / 20);

	UpdateData(false);
}

void CSerialCommunicationDlg::OnSingle() 
{
	// TODO: Add your control notification handler code here
	UpdateData(true);
	m_intContinuous = -1;
	m_intSingle = 0;
	UpdateData(false);
}

void CSerialCommunicationDlg::OnContinuous() 
{
	// TODO: Add your control notification handler code here
	UpdateData(true);
	m_intContinuous = 0;
	m_intSingle = -1;
	UpdateData(false);
}