comfunctiondlg.cpp

和基恩士对接的串口程序

// ComFunctionDlg.cpp : implementation file
//

#include "stdafx.h"
#include "ComFunction.h"
#include "ComFunctionDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CComFunctionDlg dialog

CComFunctionDlg::CComFunctionDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CComFunctionDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CComFunctionDlg)
	m_com = _T("COM1");
	m_receive = _T("");
	//m_strValue = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CComFunctionDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CComFunctionDlg)
	DDX_Text(pDX, IDC_EDIT_COM, m_com);
	DDX_Text(pDX, IDC_EDIT_RECEIVE, m_receive);
	//DDX_Text(pDX, IDC_EDIT1, m_strValue);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CComFunctionDlg, CDialog)
	//{{AFX_MSG_MAP(CComFunctionDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON_SET, OnButtonSet)
	ON_BN_CLICKED(IDC_BUTTON_SEND, OnButtonSend)
	ON_WM_TIMER()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CComFunctionDlg message handlers

BOOL CComFunctionDlg::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
	
	//需要注意的是，为了读取输入的串口数据，
	//采用轮询的方式不断的检测是否有串口数据的到来，
	//具体的做法是设置一个定时器，然后每隔一段时间就访问一下串口。 
	//在对话框初始化函数 OnInitDialog 里，设置了一个定时器：
//	m_fValue=0.0;
	SetTimer(1,100,0);
    m_ComConfig.InitialCom();
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

void CComFunctionDlg::OnButtonSet() 
{
	// TODO: Add your control notification handler code here
	UpdateData();
	m_com.MakeUpper();  //大写字母函数
	if(m_com!="COM1"&&m_com!="COM2"&&m_com!="COM3"&&m_com!="COM4")
	{
		AfxMessageBox("不正确的串口号，请重新输入串口号!");
		m_com="COM1";
		UpdateData();
		return;
	}
	if(m_open)
	{
		m_ComConfig.CloseConnection();
		m_open=FALSE;
	}
	char a[2]={m_com[3],'\0'};
	int i=atoi(a);
	m_ComConfig.Set(i);
	if(m_ComConfig.OpenConnection()==FALSE)
	{
		AfxMessageBox("无法打开该串口!");
		m_com="COM1";
		UpdateData(FALSE);
		return;
	}
	else
	{
		AfxMessageBox("该串口已经被成功打开!");
	}
	m_open=TRUE;
}

void CComFunctionDlg::OnButtonSend() 
{
	// TODO: Add your control notification handler code here
	/*
	char buffer [1024];
	int length=GetDlgItemText(IDC_EDIT_SEND,buffer,1024);
    char data[512]={""};
	int len=m_ComConfig.Str2Hex(buffer,data);
	if(m_open)
	{
	  	if(::WriteCommBlock(m_ComConfig,data,length)==FALSE)
		{
			AfxMessageBox("没有连接串口线!");
		}
	}
	else
	{
		AfxMessageBox("该串口没有正确打开，请先设置串口!");
	}
    AfxMessageBox(data);//用于实验，可去掉
	*/

	CString strTemp="";
	float m_fValue=0.0;
	float m_fValu[2]={0.0};
    /*
	for(int i=0;i<4;i++)
	{
		SetTimer(2,2000,NULL);
		m_fValu[i]=m_ComConfig.ReadOutValue(2);
	}
	*/
    
    SetTimer(1,1000,NULL);
	strTemp.Format("%f",m_fVJ[2]);
    AfxMessageBox(strTemp);
	//m_ComConfig.AutoZero(1);
}

void CComFunctionDlg::OnOK() 
{
	// TODO: Add extra validation here
	KillTimer(1);
	if(m_ComConfig.IsConnected())
		m_ComConfig.CloseConnection();
	
	CDialog::OnOK();
}

void CComFunctionDlg::OnTimer(UINT nIDEvent) 
{
	// TODO: Add your message handler code here and/or call default
	/*
	char buffer[1024]={""};
	//buffer[0]='\0';
	if(m_ComConfig.ReadCommBlock(buffer,1024)!=0)
	{   
		m_receive.Empty();
		m_receive+=buffer;

		int i,len=strlen(buffer);
		CString m_strTemp="";
		float m_fValue=0.0;
		m_fValue+=HexChar(buffer[5]);
		m_fValue+=HexChar(buffer[7])*0.1;
		m_fValue+=HexChar(buffer[8])*0.01;
		m_fValue+=HexChar(buffer[9])*0.001;
		if(buffer[4]=='F')
		{
			AfxMessageBox("测试物不再范围内");
		    exit(0);
		}
		if(buffer[3]==0x2d)		
			m_fValue=-1.0*m_fValue;
		m_strTemp.Format("%f",m_fValue);
		AfxMessageBox(m_strTemp);
 		UpdateData(FALSE);
	
	}
	
	*/
	if(nIDEvent==1)
		for(int i=0;i<10;i++)
			m_fVJ[i]=m_ComConfig.ReadOutValue(1);
		
	if(nIDEvent==2)
		;
	
	CDialog::OnTimer(nIDEvent);
}

char CComFunctionDlg::HexChar(char c)
{
	if((c>='0')&&(c<='9'))
		return c-0x30;
	else if((c>='A')&&(c<='F'))
		return c-'A'+10;
	else if((c>='a')&&(c<='f'))
		return c-'a'+10;
	else 
		return 0x10;

}

//将一个字符串作为十六进制串转化为一个字节数组，字节间可用空格分隔，
//返回转换后的字节数组长度，同时字节数组长度自动设置。
int CComFunctionDlg::Str2Hex(CString str, char *data)
{
	int t,t1;
	int rlen=0,len=str.GetLength();	
	for(int i=0;i<len;)
	{
		char l,h=str[i];
		if(h==' ')
		{
			i++;
			continue;
		}
		i++;
		if(i>=len)
			break;
		l=str[i];
		t=HexChar(h);
		t1=HexChar(l);
		if((t==16)||(t1==16))
			break;
		else 
			t=t*16+t1;
		i++;
		data[rlen]=(char)t;
		rlen++;
	}
	return rlen;

}

void CComFunctionDlg::HexToByte(char *strSource, BYTE *strDes)
{
	char strTemp[3];
	int  i, len;
	len=strlen(strSource);
	for(i=0;i<len/2;i++)
	{
		if(*(strSource+2*i)>='0' && *(strSource+2*i)<='9')
        
			*(strDes+i)=(*(strSource+2*i)-48)*16;
		else
			*(strDes+i)=(*(strSource+2*i)-65+10)*16;
		if(*(strSource+2*i+1)>='0' && *(strSource+2*i+1)<='9')
        
			*(strDes+i)=*(strDes+i)+(*(strSource+2*i+1)-48);
		else
			*(strDes+i)=*(strDes+i)+(*(strSource+2*i+1)-65+10);    

	}

}