scommtestdlg.cpp

这是一个用VC编写的MSCOMM控件的串口通讯调试软件示例工程源代码

// SCommTestDlg.cpp : implementation file
//

#include "stdafx.h"
#include "SCommTest.h"
#include "SCommTestDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
////////////////////////////////////////////////////////////////////////
#define Head_Offset 1//32
//#define Auto_Send_Time 500
#define Send_Data_Array_Numb 128//128
//////////////////////////////////////////
//BYTE EEPROM_File_Buffer[300];
unsigned char EEPROM_File_Buffer[300];
//unsigned char table[5]={'a','b','c','d','e'};
unsigned int n,Send_Byte_Numb;
unsigned char Send_Data_Numb;
unsigned char Send_Over=0;

unsigned char table[6]="abcde";//the last is "\0"!!!

BOOL timer_switch=0;

CString Tx_Data;
//----------------------
/*
/////////////////////////////////////////////////////////////////
unsigned char EEPROM_DATA[128*2+1]=
{
0x02,
0x00,0x08,0x20,0x08,0x20,0x09,0x2f,0xfa,0x2a,0xac,0x2a,0xa8,0x2a,0xa8,0xfa,0xa8,
0x2a,0xa8,0x2a,0xa8,0x2a,0xac,0x3f,0xfa,0x68,0x0b,0x20,0x18,0x00,0x08,0x00,0x00,
0x00,0x80,0x00,0x81,0x00,0x82,0x00,0x84,0xfe,0xb8,0x92,0x84,0x92,0x82,0x92,0xfe,
0x92,0x91,0x92,0x91,0xfe,0xb1,0x00,0x91,0x00,0x81,0x01,0x83,0x00,0x82,0x00,0x00,
0x20,0x20,0x20,0x40,0x20,0x80,0x21,0x00,0x27,0xff,0x3c,0x90,0xe4,0x90,0x24,0x90,
0x24,0x90,0x24,0x92,0x24,0x91,0x2f,0xfe,0x24,0x00,0x60,0x00,0x20,0x00,0x00,0x00,
0x08,0x20,0x06,0x42,0x00,0x8c,0x3f,0xf0,0x20,0x00,0x24,0xff,0x24,0x80,0x24,0x88,
0xa4,0x90,0x67,0xe0,0x24,0x90,0x24,0x8a,0x2c,0x81,0x65,0xfe,0x20,0x80,0x00,0x00,
0x01,0x00,0x02,0x00,0x04,0x00,0x1f,0xff,0xe1,0x00,0x01,0x00,0x0f,0xfc,0x02,0x02,
0x02,0x02,0xff,0xfa,0x04,0x42,0x04,0x22,0x0f,0xc2,0x04,0x02,0x00,0x0e,0x00,0x00,
0x08,0x02,0x08,0x44,0x0f,0xa8,0xf8,0x10,0x08,0x28,0x0f,0xc6,0x40,0x10,0x5f,0x90,
0x40,0x90,0x40,0x90,0x40,0xb2,0xff,0x91,0x40,0x82,0x01,0xfc,0x00,0x80,0x00,0x00,
0x20,0x20,0x20,0x40,0x20,0x80,0x21,0x00,0x27,0xff,0x3c,0x90,0xe4,0x90,0x24,0x90,
0x24,0x90,0x24,0x92,0x24,0x91,0x2f,0xfe,0x24,0x00,0x60,0x00,0x20,0x00,0x00,0x00,
0x08,0x20,0x06,0x42,0x00,0x8c,0x3f,0xf0,0x20,0x00,0x24,0xff,0x24,0x80,0x24,0x88,
0xa4,0x90,0x67,0xe0,0x24,0x90,0x24,0x8a,0x2c,0x81,0x65,0xfe,0x20,0x80,0x00,0x00,
};
*/
/////////////////////////////////////////////////////////////////////////////
// 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()

/////////////////////////////////////////////////////////////////////////////
// CSCommTestDlg dialog

CSCommTestDlg::CSCommTestDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CSCommTestDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CSCommTestDlg)
	m_strRXData = _T("");
	m_strTXData = _T("");
	m_RXEnable = TRUE;
	m_Test = FALSE;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CSCommTestDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CSCommTestDlg)
	DDX_Control(pDX, IDC_COMBO1, m_ComSelect);
	DDX_Control(pDX, IDC_MSCOMM1, m_ctrlComm);
	DDX_Text(pDX, IDC_EDIT_RXDATA, m_strRXData);
	DDX_Text(pDX, IDC_EDIT_TXDATA, m_strTXData);
	DDX_Check(pDX, IDC_CHECK1, m_RXEnable);
	DDX_Check(pDX, IDC_Test, m_Test);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CSCommTestDlg, CDialog)
	//{{AFX_MSG_MAP(CSCommTestDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON_MANUALSEND, OnButtonManualsend)
	ON_CBN_SELCHANGE(IDC_COMBO1, OnSelchangeCom)
	ON_BN_CLICKED(IDC_CHECK1, OnRXEnable)
	ON_BN_CLICKED(IDC_Test, OnTest)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSCommTestDlg message handlers

BOOL CSCommTestDlg::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
	//-------------------------------------------
	//SetTimer(1,Auto_Send_Time,NULL);
	//-------------------------------------------
	m_ComSelect.SetCurSel(0);
	//-------------------------------------------
	if(m_ctrlComm.GetPortOpen()) m_ctrlComm.SetPortOpen(FALSE);
	m_ctrlComm.SetCommPort(1); //选择com1

	if( !m_ctrlComm.GetPortOpen()) m_ctrlComm.SetPortOpen(TRUE);//打开串口
	else AfxMessageBox("所选串口不存在或被占用！");
	
	m_ctrlComm.SetSettings("9600,n,8,1"); //波特率9600，无校验，8个数据位，1个停止位 

	m_ctrlComm.SetInputMode(1);//1：表示以二进制方式检取数据
	
	m_ctrlComm.SetRThreshold(1);//参数1表示每当串口接收缓冲区中有多于或等于1个字符时将引发一个接收数据的OnComm事件

	m_ctrlComm.SetInputLen(0); //设置当前接收区数据长度为0

	m_ctrlComm.GetInput();//先预读缓冲区以清除残留数据


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

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

BEGIN_EVENTSINK_MAP(CSCommTestDlg, CDialog)
    //{{AFX_EVENTSINK_MAP(CSCommTestDlg)
	ON_EVENT(CSCommTestDlg, IDC_MSCOMM1, 1 /* OnComm */, OnComm, VTS_NONE)
	//}}AFX_EVENTSINK_MAP
END_EVENTSINK_MAP()
/////////////////////////////////////////////////////////////////////
//unsigned char Test[]={"3ABCDEFGHIJK"};

/////////////////////////////////////////////////////////////////////
void CSCommTestDlg::OnComm() 
{
	// TODO: Add your control notification handler code here
    unsigned char *p;
BYTE strBuf[1]; 
CByteArray OutBuf; 
COleVariant varOutput; 

unsigned char h,l,t;



	VARIANT variant_inp;
    COleSafeArray safearray_inp;
    LONG len,k;
    BYTE rxdata[1]; //设置BYTE数组 An 8-bit integerthat is not signed.
    CString strtemp;
    if(m_ctrlComm.GetCommEvent()==2) //事件值为2表示接收缓冲区内有字符
    {             ////////以下你可以根据自己的通信协议加入处理代码