trdlg.cpp

采用VC编写的串口通信程序

// TRDlg.cpp : implementation file
//

#include "stdafx.h"
#include "TR.h"
#include "TRDlg.h"

#include "Communic.h"

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

/////////////////////////////////////////////////////////////////////////////
// CTRDlg dialog

CTRDlg::CTRDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CTRDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CTRDlg)
	m_ReceiveEdit = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CTRDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CTRDlg)
	DDX_Control(pDX, IDC_TRANSMIT_BUTTON, m_TransmitButton);
	DDX_Control(pDX, IDC_RECEIVE_BUTTON, m_ReceiveButton);
	DDX_Control(pDX, IDC_INITIATE_BUTTON, m_InitiateButton);
	DDX_Text(pDX, IDC_RECEIVE_EDIT, m_ReceiveEdit);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CTRDlg, CDialog)
	//{{AFX_MSG_MAP(CTRDlg)
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_INITIATE_BUTTON, OnInitiateButton)
	ON_BN_CLICKED(IDC_TRANSMIT_BUTTON, OnTransmitButton)
	ON_BN_CLICKED(IDC_RECEIVE_BUTTON, OnReceiveButton)
	//}}AFX_MSG_MAP
	ON_MESSAGE(CWM_RECEIVEDATA,DisplayData)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTRDlg message handlers

BOOL CTRDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// 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
	
    m_TransmitButton.EnableWindow(FALSE);
    m_ReceiveButton.EnableWindow(FALSE);

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

// 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 CTRDlg::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 CTRDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}


void CTRDlg::OnInitiateButton() 
{
	::InitCom();
	m_InitiateButton.EnableWindow(FALSE);
	m_TransmitButton.EnableWindow(TRUE);
    m_ReceiveButton.EnableWindow(TRUE);
}

void CTRDlg::OnTransmitButton() 
{
	::lpTransmitThread=AfxBeginThread(::TransmitThread,m_hWnd);
}


void CTRDlg::OnReceiveButton() 
{
	::lpReceiveThread=AfxBeginThread(::ReceiveThread,m_hWnd);
}

void CTRDlg::DisplayData(WPARAM wParam, LPARAM lParam)
{
	m_ReceiveEdit=ReceiveData;
	UpdateData(FALSE);
}