gusucode.com > 串口程序示例 MSCOMM控件 只要用来连通单片机与PC机 > 串口程序示例 MSCOMM控件 只要用来连通单片机与PC机/界面1/通信实验Dlg.cpp

    // 通信实验Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "通信实验.h"
#include "通信实验Dlg.h"
#include <fstream>

using namespace std;

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

unsigned int CurItem = 0;
unsigned int bianhao = 0;

/////////////////////////////////////////////////////////////////////////////
// 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()

/////////////////////////////////////////////////////////////////////////////
// CMyDlg dialog

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

void CMyDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMyDlg)
	DDX_Control(pDX, IDC_LIST2, m_list);
	DDX_Control(pDX, IDC_STOP, m_Stop);
	DDX_Control(pDX, IDC_PARITY, m_Parity);
	DDX_Control(pDX, IDC_DATABITS, m_DataBits);
	DDX_Control(pDX, IDC_COM, m_Com);
	DDX_Control(pDX, IDC_BAUD, m_Baud);
//	DDX_Text(pDX, IDC_EDIT_RXDATA, m_strEditRXData);
	DDX_Text(pDX, IDC_EDIT_TXDATA, m_strEditTXData);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CMyDlg, CDialog)
	//{{AFX_MSG_MAP(CMyDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON_MANUALSEND, OnButtonManualsend)
	ON_CBN_SELCHANGE(IDC_BAUD, OnSelchangeBaud)
	ON_CBN_EDITCHANGE(IDC_COM, OnEditchangeCom)
	ON_BN_CLICKED(IDC_BUTTON1, OnPortOpen)
	ON_BN_CLICKED(IDC_BUTTON2, OnPortClose)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMyDlg message handlers

BOOL CMyDlg::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
	//几个组合框初始化
	//波特率
	CString str1[3]={"7200","9600","115200"};
	int nIndex;
	for(int i=0;i<3;i++)
	{
		nIndex = m_Baud.AddString(str1[i]);
		m_Baud.SetItemData(nIndex,i);
	}
	m_Baud.SetCurSel(1);
	//串口
    CString str2[]={"COM1","COM2","COM3","COM4","COM5","COM6"};
	for(i=0;i<6;i++)
	{
		nIndex = m_Com.AddString(str2[i]);
		m_Com.SetItemData(nIndex,i);
	}
	m_Com.SetCurSel(0);
	//校验位
	CString str3[]={"奇","偶","无"};
	for(i=0;i<3;i++)
	{
		nIndex = m_Parity.AddString(str3[i]);
		m_Parity.SetItemData(nIndex,i);
	}
	m_Parity.SetCurSel(2);
	//数据位
	CString str4[]={"8","9"};
	for(i=0;i<2;i++)
	{
		nIndex = m_DataBits.AddString(str4[i]);
		m_DataBits.SetItemData(nIndex,i);
	}
	m_DataBits.SetCurSel(0);
	//校验位
	CString str5[]={"1","2"};
	for(i=0;i<2;i++)
	{
		nIndex = m_Stop.AddString(str5[i]);
		m_Stop.SetItemData(nIndex,i);
	}
	m_Stop.SetCurSel(0);

	//列表框控件初始化
	m_list.InsertColumn(0,"编号",LVCFMT_LEFT,60,1);
	m_list.InsertColumn(1,"传感器类型",LVCFMT_LEFT,80,1);
	m_list.InsertColumn(2,"电阻比",LVCFMT_LEFT,100,1);
	m_list.InsertColumn(3,"电阻",LVCFMT_LEFT,100,1);
	m_list.SetExtendedStyle(LVS_EX_FULLROWSELECT|LVS_EX_GRIDLINES);	

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

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

// BEGIN_EVENTSINK_MAP(CMyDlg, CDialog)
//     //{{AFX_EVENTSINK_MAP(CMyDlg)
// 	//}}AFX_EVENTSINK_MAP
// END_EVENTSINK_MAP()

void CMyDlg::OnComm() 
{
	// TODO: Add your control notification handler code here
	BYTE rxdata[9];//设置BYTE数组

	if(Damcom.Read(&rxdata,9) != 9){
		MessageBox("数据接收错误");
		return;
	}

	unsigned int *dianzubi = (unsigned int *)(&rxdata[1]);
	unsigned int *dianzu = (unsigned int*)(&rxdata[5]);

	int type;
	double dzb;
	double dz;

	type = rxdata[0];
	dzb = (double)(*dianzubi)/1000;
	dz = (double)(*dianzu)/1000;
	
	char stype[5];
	char sdianzubi[10];
	char sdianzu[10];
	char sbianhao[10];

	bianhao++;

	itoa(type,stype,5);//整型转字符串
	itoa(bianhao,sbianhao,10);
	gcvt((double)dzb,9,sdianzubi);//浮点数转字符串
	gcvt((double)dz,9,sdianzu);
	m_list.InsertItem(CurItem,sbianhao);
	m_list.SetItemText(CurItem,1,stype);
	m_list.SetItemText(CurItem,2,sdianzubi);
	m_list.SetItemText(CurItem,3,sdianzu);


//	CurItem++;

	UpdateData(FALSE);//更新显示
	ofstream tfile;
	tfile.open("data.txt",ios::app);//以追加方式打开data.txt文件
	tfile<<type<<"  "<<dzb<<"  "<<dz<<"  "<<endl;
	tfile.close();
}

void CMyDlg::OnButtonManualsend() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);//读取编辑框内容
	//发送数据
	Damcom.Write(m_strEditTXData);
}

void CMyDlg::OnButton2() 
{
	// TODO: Add your control notification handler code here
}

void CMyDlg::OnSelchangeBaud() 
{
	// TODO: Add your control notification handler code here
	int nIndexBaud = m_Baud.GetCurSel(); //获得当前选项的索引
}

void CMyDlg::OnEditchangeCom() 
{
	// TODO: Add your control notification handler code here
}

void CMyDlg::OnPortOpen() 
{
	// TODO: Add your control notification handler code here
	DWORD comIndex = m_Com.GetCurSel()+1;
//	DWORD comIndex = m_Com.GetCurSel()+3;
	CString baud;
	m_Baud.GetLBText(m_Baud.GetCurSel(),baud);
	DWORD baudRate = atol(baud);
	if(!Damcom.Open(comIndex,baudRate)){//开始串口接收线程
		CString prompt;
		prompt.Format("串口%d打开失败",comIndex);
		AfxMessageBox(prompt);
		return;
	}
	CString prompt;
	prompt.Format("串口%d打开成功",comIndex);
	AfxMessageBox(prompt);
	Damcom.SetWnd(this->GetSafeHwnd());
	Damcom.SetBufferSize(1024,1024);//足够大的缓存 >> 31*15*8
	Damcom.SetNotifyNum(9);
}

void CMyDlg::OnPortClose() 
{
	// TODO: Add your control notification handler code here
	Damcom.Close();
	AfxMessageBox("串口已经关闭");
}

BOOL CMyDlg::PreTranslateMessage(MSG* pMsg) 
{
	switch(pMsg->message){
	case ON_COM_RECEIVE:
		OnComm();
	}
	return CDialog::PreTranslateMessage(pMsg);
}