robottestdlg.cpp

这是一个串口通信程序

// RobotTestDlg.cpp : implementation file
//

#include "stdafx.h"
#include "RobotTest.h"
#include "RobotTestDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CRobotTestDlg dialog

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

void CRobotTestDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CRobotTestDlg)
	DDX_Control(pDX, IDC_COMM, m_Com);
	DDX_Text(pDX, IDC_TXDATA, m_TxData);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CRobotTestDlg, CDialog)
	//{{AFX_MSG_MAP(CRobotTestDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_TRANSMITT, OnTransmitt)
	ON_WM_TIMER()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CRobotTestDlg message handlers

BOOL CRobotTestDlg::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_Com.SetCommPort(1);                             //选择COM1 
	if(!m_Com.GetPortOpen())m_Com.SetPortOpen(TRUE);  //打开串口 
	m_Com.SetInputMode(0);                            //设置输入方式为二进制方式 
	m_Com.SetSettings("1200,n,8,1");                  //设置波特率等参数
	m_Com.SetRThreshold(1); 
/* 将Rthreshold参数设为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关于comEvReceive（接收数据）的OnComm事件 */ 
	m_Com.SetInputLen(0);               //先预读缓冲区以清除残留数据
	m_Com.GetInput(); 
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

void CRobotTestDlg::OnTransmitt() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);        //获取用户输入的数据 
    //TxData[0]=0xA0;          //命令帧的起始码 
    //TxData[1]=0x31;          //命令帧的操作码 
    //TxData[2]=0x01;          //设备ID 
    //TxData[3]=0x03;          //切换成16画面 
    //TxData[4]=0x00;          //指定数据增量值
	//TxData[5]=0x00;
	//TxData[6]=0x00;
	//TxData[7]=0x00;
	//TxData[8]=0x00;
	//TxData[9]=0x00;
	//TxData[10]=0x00;
    //Transmitt();
	//SetTimer(1,10000,NULL);
	CString strSend;
	strSend=_T("/33");
	m_Com.SetOutput(COleVariant(strSend));
}

void CRobotTestDlg::Transmitt()
{
	int  i; 
    unsigned char  Sum=0,Count; 
    CByteArray   array; 
    char  sOutput[20]; 
    Count=5;                              
    for(i=0; i<Count-1; i++)Sum+=TxData[i];         //计算校验和 
    TxData[Count-1]=0xff-Sum;                            //存储校验和 
    array.RemoveAll();                              //清空数组 
    array.SetSize(Count);                           //设置数组大小为帧长度 
    for(i=0; i<Count; i++)array.SetAt(i,TxData[i]);    //把待发送数据存入数组 
           
    // 打开串口并发送数据 
    if(!m_Com.GetPortOpen())
		m_Com.SetPortOpen(TRUE); 
    m_Com.SetOutput(COleVariant(array)); 
    
	// 在对话框中显示发送出去的数据 
    m_TxData=" "; 
    for(i=0; i<Count; i++) 
    {     sprintf(sOutput,"%02X, ",TxData[i]); 
          m_TxData+=sOutput; 
    } 
    SYSTEMTIME st;
	CString strDate,strTime,str;
	GetLocalTime(&st);
	strDate.Format("%4d-%2d-%2d",st.wYear,st.wMonth,st.wDay);
	strTime.Format("%2d:%2d:%2d",st.wHour,st.wMinute,st.wSecond);
	str="现在是"+strDate+" "+strTime;
	MessageBox(str,NULL,MB_OK);
    UpdateData(FALSE);          //更新对话框 
}

void CRobotTestDlg::OnTimer(UINT nIDEvent) 
{
	// TODO: Add your message handler code here and/or call default
	SYSTEMTIME st;
	CString strDate,strTime,strHour;
	GetLocalTime(&st);
	strHour.Format("%2d",st.wMinute);
	//if(strHour=="25"){
		Transmitt();
	//}
    UpdateData(FALSE); 
	CDialog::OnTimer(nIDEvent);
}