tongxundlg.cpp

来自网络的一个串口通信控制电容器的例子

// tongxunDlg.cpp : implementation file
//

#include "stdafx.h"
#include "tongxun.h"
#include "tongxunDlg.h"
#include "math.h"
//#include <iostream.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)
{
	CString rxdata_notdisplay;			//利用public类设置一个公共变量
	//{{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()

/////////////////////////////////////////////////////////////////////////////
// CTongxunDlg dialog

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

void CTongxunDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CTongxunDlg)
	DDX_Control(pDX, IDC_AUTOINQUIRE, m_autoinquire);
	DDX_Control(pDX, IDC_CHOSEBUD, m_chosebud);
	DDX_Control(pDX, IDC_CHOSECOM, m_chosecom);
	DDX_Control(pDX, IDC_INQUIRE, m_inquire);
	DDX_Control(pDX, IDC_VOLTSET, m_voltset);
	DDX_Control(pDX, IDC_CLEARRXDATA, m_clearrxdata);
	DDX_Control(pDX, IDC_CLOSEJCQ, m_closejcq);
	DDX_Control(pDX, IDC_CHARGEON, m_chargeon);
	DDX_Control(pDX, IDC_OPEN_COMPORT, m_open_comport);
	DDX_Control(pDX, IDC_MSCOMM1, m_ctrlComm);
	DDX_Text(pDX, IDC_RXDATA, m_strrxdata);
	DDV_MaxChars(pDX, m_strrxdata, 5000);
	DDX_Text(pDX, IDC_EDIT_CHARGESUC, m_chargesuc);
	DDV_MaxChars(pDX, m_chargesuc, 50);
	DDX_Text(pDX, IDC_VSETDATA, m_vsetdata);
	DDV_MaxChars(pDX, m_vsetdata, 50);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CTongxunDlg, CDialog)
	//{{AFX_MSG_MAP(CTongxunDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_OPEN_COMPORT, OnOpenComport)
	ON_BN_CLICKED(IDC_CHARGEON, OnChargeon)
	ON_BN_CLICKED(IDC_CLOSEJCQ, OnClosejcq)
	ON_WM_TIMER()
	ON_BN_CLICKED(IDC_CLEARRXDATA, OnClearrxdata)
	ON_BN_CLICKED(IDC_VOLTSET, OnVoltset)
	ON_BN_CLICKED(IDC_INQUIRE, OnInquire)
	ON_CBN_SELCHANGE(IDC_CHOSECOM, OnSelchangeChosecom)
	ON_CBN_SELCHANGE(IDC_CHOSEBUD, OnSelchangeChosebud)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTongxunDlg message handlers

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

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

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


/////////////////////////////////////////////////////////
//*****************************************************
//缓冲区数据读取与发送
void CTongxunDlg::OnOnComm() 
{
	// 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;
	CString comport_data;

	if(m_ctrlComm.GetCommEvent ()==2)				//事件值为2表示接收缓冲区内有字符
    {												//以下根据通信协议加入处理代码
		receiving_flag=1;							//赋为1,表示正在接收缓冲区数据,其它程序最好不要打断
        
		len=rxdata_notdisplay.GetLength();
		if(len>2)			//保证[len-3]有意义,否则又会导致程序运行出错
		{
			if((rxdata_notdisplay[len-1]=='D'&&rxdata_notdisplay[len-2]=='0')||(rxdata_notdisplay[len-2]=='D'&&rxdata_notdisplay[len-3]=='0'))
				rxdata_notdisplay="";		//rxdata_notdisplay以"0D"或"0D*"结尾,表示是上一次的完整数据,将其清掉
		}		
		variant_inp=m_ctrlComm.GetInput();			//读缓冲区
        safearray_inp=variant_inp;					//VARIANT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
			strtemp.Format("%02X ",bt);				//将接收到的数据转换成16进制
			m_strrxdata+=strtemp;					//在rx编辑框中显示接收数据

			rxdata_notdisplay+=strtemp;				//不作为RX显示,仅存本次读的数据,供查询显示的相关程序用

			UpdateData(FALSE);						//更新编辑框内容
		}//end for(k=0;k<len;k++)

//对m_strrxdata的长度作处理,否则超过5000后,整个程序会运行出错
		if(m_strrxdata.GetLength()>2000)
			m_strrxdata="";					//累计长度超过1000后,将其清0
/////////////////////////////////////////////

	}//end if(m_ctrlComm.GetCommEvent ()==2)
	receiving_flag=0;					
}//end all


///////////////////////////////////////////////////////////////////
//****************************************************************
//打开串口按钮动作
void CTongxunDlg::OnOpenComport() 
{
	// TODO: Add your control notification handler code here
	CString str1;
	m_open_comport.GetWindowText(str1);						//确定按下按钮时,按钮上的内容(是打开串口还是关闭串口)
	if(str1=="打开串口")
	{
		SetDlgItemText(IDC_OPEN_COMPORT,"关闭串口");
		if(m_ctrlComm.GetPortOpen())					//若串口已打开
			m_ctrlComm.SetPortOpen(FALSE);			//关闭串口(在后面选择了哪个口后重新打开)

		if(!m_ctrlComm.GetPortOpen())				//若串口没有打开
		{
			UpdateData(TRUE);

			if(have_chosecom_flag==1)
			{
				CString str="";
				m_chosecom.GetWindowText(str);
				if(str=="COM1")
					m_ctrlComm.SetCommPort(1);					//选择com1
				else if(str=="COM2")
					m_ctrlComm.SetCommPort(2);					//选择com2
				else if(str=="COM3")
					m_ctrlComm.SetCommPort(3);					//选择com3
				else if(str=="COM4")
					m_ctrlComm.SetCommPort(4);					//选择com4
				else
					m_ctrlComm.SetCommPort(1);					//选择com1
			}//end if(have_chosecom_flag==1)
			else
				m_ctrlComm.SetCommPort(1);						//选择com1

			m_ctrlComm.SetPortOpen(TRUE);			//打开串口
			SetDlgItemText(IDC_OPEN_COMPORT,"关闭串口");
			SetDlgItemText(IDC_EDIT_COMOPSUC,"OK");
			have_warm_flag=0;						//清掉have_warm_flag
	//////////////////////////////
			SetTimer(1,500,NULL);						//若串口已打开,则间隔500毫秒发送一次查询命令
	/////////////////////////////
		}//end if( !m_commucontrl.GetPortOpen())
		else											//若串口已打开,说明前面的那次关闭没成功
			AfxMessageBox("cannot open serial port");	//返回错误报告(若没有前面的串口打开时先把它关闭,则连续单击打开串口按钮时,第一次可打开,之后会返回错误报告)

	//**********************************
		if(have_chosebud_flag==1)
		{
			CString str="";
			UpdateData(TRUE);										//读取编辑框内容
			m_chosebud.GetWindowText(str);

			if(str=="4800")
				m_ctrlComm.SetSettings("4800,n,8,1");
			else if(str=="9600")
				m_ctrlComm.SetSettings("9600,n,8,1");
			else if(str=="19200")
				m_ctrlComm.SetSettings("19200,n,8,1");
			else if(str=="38400")
				m_ctrlComm.SetSettings("38400,n,8,1");
			else
				m_ctrlComm.SetSettings("4800,n,8,1");
		}//end if(have_chosebud_flag==1)
		else 
			m_ctrlComm.SetSettings("4800,n,8,1");

		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();
	}//end if(str=="打开串口")

	else if(str1=="关闭串口")
	{
		if(m_ctrlComm.GetPortOpen())					//若串口未打开,因为关闭串口只能在串口打开时才能进行,否则报错
			m_ctrlComm.SetPortOpen(FALSE);
		SetDlgItemText(IDC_OPEN_COMPORT,"打开串口");					
		SetDlgItemText(IDC_EDIT_COMOPSUC,"");		
	}
	else 
		AfxMessageBox("运行出错,请关闭调试助手,再重新打开!");
	
}


//************************************************************
//充电按钮动作
void CTongxunDlg::OnChargeon() 
{
	// TODO: Add your control notification handler code here
	if(!m_ctrlComm.GetPortOpen())
		AfxMessageBox("串口未打开,请打开串口!");
	else
	{
		CString btnName_charge;
		CByteArray hexdata;
		KillTimer(1);
		m_chargeon.GetWindowText(btnName_charge);			//确定按下按钮时,按钮上的内容(是打开串口还是关闭串口)
		if(btnName_charge=="开始充电")
		{
	//		KillTimer(1);									//取消定时,每次发其它命令时,暂停计时,等其他命令发送完成后再打开计时
			SetDlgItemText(IDC_CHARGEON,"停止充电");
			String2Hex("7E E7 7E 58 F3 4C 02 0D 0D E5 B3 0D ",hexdata);
			m_ctrlComm.SetOutput(COleVariant(hexdata));			//以16进制发送数据
	//		m_ctrlComm.SetOutput(COleVariant("7E E7 7E 58 F3 4C 02 0D 0D E5 B3 0D "));
			SetDlgItemText(IDC_EDIT_CHARGESUC,"正在充电");
	//		SetTimer(1,500,NULL);							//时间为500毫秒
	//		m_ctrlComm.SetOutput(COleVariant(hexdata));		//发送十六进制数据
	//		m_ctrlComm.SetOutput(COleVariant(m_strTXData));	//发送ASCII字符数据
	//		cmd_MainSwitch="7E E7 7E 58 F3 4C 02 0D 0D E5 B3 0D ";
	//		SetDlgItemText(IDC_EDIT_COMOPSUC,"串口已打开");
		}
		if(btnName_charge=="停止充电")
		{
			SetDlgItemText(IDC_CHARGEON,"开始充电");
			int len=String2Hex("7E E7 7E 58 F3 4C 02 D0 D0 E5 39 0D ",hexdata);
			m_ctrlComm.SetOutput(COleVariant(hexdata));			//以16进制发送数据
	//		m_ctrlComm.SetOutput(COleVariant("7E E7 7E 58 F3 4C 02 D0 D0 E5 39 0D "));
			SetDlgItemText(IDC_EDIT_CHARGESUC,"没有充电");
		}
		SetTimer(1,500,NULL);
	}//end else
}


//***************************************************************
//接触器动作
void CTongxunDlg::OnClosejcq() 
{
	// TODO: Add your control notification handler code here
	if(!m_ctrlComm.GetPortOpen())
		AfxMessageBox("串口未打开,请打开串口!");
	else
	{
		CString btnName_closejcq;
		CByteArray hexdata;
		KillTimer(1);
		m_closejcq.GetWindowText(btnName_closejcq);			//确定按下按钮时,按钮上的内容(是打开串口还是关闭串口)