chengxu.txt

可以实现无线传输,对家电实时温度进行查询

{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	char sCourseEdit2[30];
	char sRecordEdit2[15];
	int iCourseRadio2;
	iCourseRadio2=GetCheckedRadioButton(IIIDC_LIGHT_RADIO,IIIDC_WAVER_RADIO);
	if(iCourseRadio2==IIIDC_LIGHT_RADIO)
			strcpy(sCourseEdit2,"7");
        	    if(iCourseRadio2==IIIDC_AIR_RADIO)
			strcpy(sCourseEdit2,"8");
        		if(iCourseRadio2==IIIDC_WAVER_RADIO)
			strcpy(sCourseEdit2,"9");
		m_strTXData=_T(sCourseEdit2);
	UpdateData(FALSE);
}
void CSCommTestDlg::OnExitButton() 
{
	// TODO: Add your control notification handler code here
	OnOK();
}
接收数据界面代码：
// SCommTestDlg.cpp : implementation file
#include "stdafx.h"
#include "SCommTest.h"
#include "SCommTestDlg.h"
#include <string>
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
// CAboutDlg dialog used for App About
//char state1[10];
int sR=0;
int Length=0;
char Temp[10];
char Head;
CString sT=" ";
CString sR1=" ";
CString sR2=" ";
CString sR3=" ";
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_Result = _T("");
	m_Result2 = _T("");
	m_Result1 = _T("");
	m_Temp = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
	m_bAutoSend=FALSE;
}
void CSCommTestDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CSCommTestDlg)
	DDX_Control(pDX, IDC_STATIC_WEIBOLU2, m_Wave2);
	DDX_Control(pDX, IDC_STATIC_WEIBOLU1, m_Wave1);
	DDX_Control(pDX, IDC_STATIC_KONGTIAO2, m_Air2);
	DDX_Control(pDX, IDC_STATIC_KONGTIAO1, m_Air1);
	DDX_Control(pDX, IDC_STATIC_LAMP2, m_Lamp2);
	DDX_Control(pDX, IDC_STATIC_LAMP1, m_Lamp1);
	DDX_Control(pDX, IDC_EDIT_RXDATA, m_ctrlRxData);
	DDX_Control(pDX, IDC_CHECK_HEXDISPLAY, m_ctrlHexDisplay);
	DDX_Control(pDX, IDC_CHECK_HEXSEND, m_ctrlHexSend);
	DDX_Control(pDX, IDC_MSCOMM1, m_ctrlComm);
	DDX_Text(pDX, IDC_EDIT_RXDATA, m_strRXData);
	DDX_Text(pDX, IDC_EDIT_TXDATA, m_strTXData);
	DDX_Text(pDX, IDC_EDIT_RESULT, m_Result);
	DDX_Text(pDX, IDC_EDIT_RESULT2, m_Result2);
	DDX_Text(pDX, IDC_EDIT_RESULT1, m_Result1);
	DDX_Text(pDX, IDC_EDIT_TEMPERTURE, m_Temp);
	//}}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_WM_TIMER()
	ON_BN_CLICKED(IDC_CHECK_AUTOSEND, OnCheckAutosend)
	ON_EN_CHANGE(IDC_EDIT_RXDATA, OnChangeEditRxdata)
	ON_BN_CLICKED(IDC_BUTTON_CANCEL, OnButtonCancel)
	//}}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
	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("cannot open serial port");
	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); //以二进制方式检到数据
	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()
void CSCommTestDlg::OnComm() 
{
	// TODO: Add your control notification handler code here
	VARIANT variant_inp;
	COleSafeArray safearray_inp;
	LONG len,k;
	BYTE rxdata[2048]; //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
	{
		variant_inp=m_ctrlComm.GetInput();   //读缓冲区
		safearray_inp=variant_inp;          //VARIANT类型变量转换为ColeSafeArray型变量
		len=safearray_inp.GetOneDimSize(); //得到有效数据长度
		for(k=0;k<len;k++)
			safearray_inp.GetElement(&k,rxdata+k);//转换为BYTE型数组
		for(k=0;k<len;k++)             //将数组转换为Cstring型变量
		{
			BYTE bt=*(char*)(rxdata+k);      //字符型
			if(m_ctrlHexDisplay.GetCheck())
				strtemp.Format("%02X ",bt); //将字符以十六进制方式送入临时变量strtemp存放，注意这里加入一个空隔
			else 
				strtemp.Format("%c",bt); //将字符送入临时变量strtemp存放
			    m_strRXData+=strtemp;    //加入接收编辑框对应字符串   
		}
	}
    sT=m_strRXData;
	Length=sT.GetLength();//获取接收字符串的长度
    //执行除打开空调以外的操作
	if(Length==1)
	{
		sR=atoi(m_strRXData); //将字符变换为整数
	//执行相应的操作
	switch(sR)
	{
		//打开电灯
	case 1:
        m_Lamp1.ShowWindow(SW_SHOW);
        m_Lamp2.ShowWindow(SW_HIDE);
		m_Result="1";
        UpdateData(FALSE);
		break;
		//打开微波炉
    case 3:
       m_Wave1.ShowWindow(SW_SHOW);
       m_Wave2.ShowWindow(SW_HIDE);
	   m_Result2="3";
       UpdateData(FALSE);
	   break;
	   //关闭电灯
	 case 4:
        m_Lamp2.ShowWindow(SW_SHOW);
        m_Lamp1.ShowWindow(SW_HIDE);
		m_Result="4";
		UpdateData(FALSE);
		break;
		//关闭空调
	 case 5:
        m_Air2.ShowWindow(SW_SHOW);
        m_Air1.ShowWindow(SW_HIDE);
		m_Temp=" ";
		m_Result1="5";
		UpdateData(FALSE);
		break;
		//关闭微波炉
	 case 6:
        m_Wave2.ShowWindow(SW_SHOW);
        m_Wave1.ShowWindow(SW_HIDE);
		m_Result2="6";
		UpdateData(FALSE);
		break;
		//查询电灯状态
	 case 7:
		m_strTXData=m_Result;
		OnButtonManualsend();
        UpdateData(FALSE);
		break;
		//查询空调状态
	 case 8:
		   m_strTXData=m_Result1+m_Temp;
		   OnButtonManualsend();
           UpdateData(FALSE);
		   break;
		   //查询微波炉状态
	 case 9:
        m_strTXData=m_Result2;
		OnButtonManualsend();
        UpdateData(FALSE);
		break;
	}
	}
	//打开空调并获取温度值
	else
	{   Head=sT.GetAt(0);
		switch(Head)
		{
		case '2':
          m_Air1.ShowWindow(SW_SHOW);
          m_Air2.ShowWindow(SW_HIDE);
           for(int i=1;i<Length;i++)
		   Temp[i-1]=sT.GetAt(i);
		   m_Result1="2";
           for(int j=0;j<Length-1;j++)
           m_Temp+=Temp[j];
          //AfxMessageBox(Temp);
          UpdateData(FALSE);
	      break;
				}
	}
		UpdateData(FALSE);           //更新编辑框内容
}
void CSCommTestDlg::OnButtonManualsend() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE); //读取编辑框内容
	if(m_ctrlHexSend.GetCheck())
	{
		CByteArray hexdata;
		int len=String2Hex(m_strTXData,hexdata);  //此处返回的len可以用于计算发送了多少个十六进制数
		m_ctrlComm.SetOutput(COleVariant(hexdata));  //发送十六进制数据
	}
	else 
		m_ctrlComm.SetOutput(COleVariant(m_strTXData));//发送ASCII字符数据
	}
//由于这个转换函数的格式限制，在发送框中的十六进制字符应该每两个字符之间插入一个空隔
//CByteArray是一个动态字节数组，可参看MSDN帮助
//这个函数
int CSCommTestDlg::String2Hex(CString str, CByteArray &senddata)
{
	int hexdata,lowhexdata;
	int hexdatalen=0;
	int len=str.GetLength();
	senddata.SetSize(len/2);
	for(int i=0;i<len;)
	{
		char lstr,hstr=str[i];
		if(hstr==' ')
		{
			i++;
			continue;
		}
		i++;
		if(i>=len)
			break;
		lstr=str[i];
		hexdata=ConvertHexChar(hstr);
		lowhexdata=ConvertHexChar(lstr);
		if((hexdata==16)||(lowhexdata==16))
			break;
		else 
			hexdata=hexdata*16+lowhexdata;
		i++;
		senddata[hexdatalen]=(char)hexdata;
		hexdatalen++;
	}
	senddata.SetSize(hexdatalen);
	return hexdatalen;
}
//这是一个将字符转换为相应的十六进制值的函数
//功能：若是在0-F之间的字符，则转换为相应的十六进制字符，否则返回-1
char CSCommTestDlg::ConvertHexChar(char ch) 
{
	if((ch>='0')&&(ch<='9'))
		return ch-0x30;
	else if((ch>='A')&&(ch<='F'))
		return ch-'A'+10;
	else if((ch>='a')&&(ch<='f'))
		return ch-'a'+10;
	else 
		return (-1);
}
void CSCommTestDlg::OnTimer(UINT nIDEvent) 
{
	// TODO: Add your message handler code here and/or call default
	OnButtonManualsend();
	CDialog::OnTimer(nIDEvent);
}
void CSCommTestDlg::OnCheckAutosend() 
{
	// TODO: Add your control notification handler code here
	m_bAutoSend=!m_bAutoSend;
	if(m_bAutoSend)
	{
		SetTimer(1,1000,NULL);
	}
	else
	{
		KillTimer(1);
	}
}
void CSCommTestDlg::OnChangeEditRxdata() 
{
	UpdateData(FALSE);
}
void CSCommTestDlg::OnButtonCancel() 
{
	// TODO: Add your control notification handler code here
	OnOK();
}