serialportactivexdlg.cpp

SerialPortAPI是基于API进行串口编程的工程代码；

// SerialPortActivexDlg.cpp : implementation file
//

#include "stdafx.h"
#include "SerialPortActivex.h"
#include "SerialPortActivexDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CSerialPortActivexDlg dialog


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

void CSerialPortActivexDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CSerialPortActivexDlg)
	DDX_Text(pDX, IDC_RECV_EDIT, m_recv);
	DDX_Text(pDX, IDC_SEND_EDIT, m_send);
	DDX_Control(pDX, IDC_MSCOMM1, m_mscom);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CSerialPortActivexDlg, CDialog)
	//{{AFX_MSG_MAP(CSerialPortActivexDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_CLEAR_BUTTON, OnClearButton)
	ON_BN_CLICKED(IDC_SEND_BUTTON, OnSendButton)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSerialPortActivexDlg message handlers

BOOL CSerialPortActivexDlg::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
	m_mscom.SetCommPort(1);
	m_mscom.SetInBufferSize(0xc00);
	m_mscom.SetOutBufferSize(0xc00);
	m_mscom.SetPortOpen(true);
	m_mscom.SetInputMode(1); //设置输入方式为二进制方式
	m_mscom.SetSettings("19200,n,8,1"); //设置波特率等参数
	m_mscom.SetRThreshold(1); //接收到1个以上的字符即触发事件
	m_mscom.SetInputLen(0);
	m_mscom.GetInput();
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CSerialPortActivexDlg::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 CSerialPortActivexDlg::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 CSerialPortActivexDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CSerialPortActivexDlg::OnClearButton() 
{
	// TODO: Add your control notification handler code here
	m_send = "";
	UpdateData(false);
}

//“发送”按钮函数（完成数据的发送功能）
void CSerialPortActivexDlg::OnSendButton() 
{
	// TODO: Add your control notification handler code here
	UpdateData(true);
	
	CByteArray sendArr;	
	WORD wLength;

	wLength = m_send.GetLength();
	sendArr.SetSize(wLength);
	for(int i=0;i<wLength;i++)
	{
		sendArr.SetAt(i,m_send.GetAt(i));
	}

	m_mscom.SetOutput(COleVariant(sendArr));
}

BEGIN_EVENTSINK_MAP(CSerialPortActivexDlg, CDialog)
    //{{AFX_EVENTSINK_MAP(CSerialPortActivexDlg)
	ON_EVENT(CSerialPortActivexDlg, IDC_MSCOMM1, 1 /* OnComm */, OnCommMscomm1, VTS_NONE)
	//}}AFX_EVENTSINK_MAP
END_EVENTSINK_MAP()

void CSerialPortActivexDlg::OnCommMscomm1() 
{
	// TODO: Add your control notification handler code here
	UpdateData(true);

	VARIANT variant_inp;
	COleSafeArray safearray_inp;
	
	long i = 0;
	int len;
	char rxdata[1000];
	CString tmp;
	switch (m_mscom.GetCommEvent())
	{
    case 2:
		//表示接收缓冲区内有字符
		{
			variant_inp = m_mscom.GetInput();
			safearray_inp = variant_inp;
			len = safearray_inp.GetOneDimSize();
			for (i = 0; i < len; i++)
			{
				safearray_inp.GetElement(&i, &rxdata[i]);				
			}	
			rxdata[i] = '\0';
		}
		m_recv += rxdata;
		UpdateData(false);
		break;
	default:
		break;
	}
}