serialporttestdlg.cpp

串口测试软件的VC工程源码

// SerialPortTestDlg.cpp : implementation file
//

#include "stdafx.h"
#include "SerialPortTest.h"
#include "SerialPortTestDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CSerialPortTestDlg dialog

CSerialPortTestDlg::CSerialPortTestDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CSerialPortTestDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CSerialPortTestDlg)
	m_strEditReceiveMsg = _T("");
	m_strEditSendMsg = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
	m_bSerialPortOpened=FALSE; //初始状态：串口没有打开
}

void CSerialPortTestDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CSerialPortTestDlg)
	DDX_Control(pDX, IDC_SLD_IDACVAL, m_ctlSliderVal);
	DDX_Control(pDX, IDC_COMBO_COMPORT, m_ctrlComboComPort);
	DDX_Text(pDX, IDC_EDIT_RECEIVEMSG, m_strEditReceiveMsg);
	DDX_Text(pDX, IDC_EDIT_SENDMSG, m_strEditSendMsg);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CSerialPortTestDlg, CDialog)
	//{{AFX_MSG_MAP(CSerialPortTestDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_MESSAGE(WM_COMM_RXCHAR, OnComm)
	ON_BN_CLICKED(IDC_BUTTON_OPEN, OnButtonOpen)
	ON_BN_CLICKED(IDC_BUTTON_CLOSE, OnButtonClose)
	ON_BN_CLICKED(IDC_BUTTON_SEND, OnButtonSend)
	ON_BN_CLICKED(IDC_BTN_CLEARRV, OnBtnClearRv)
	ON_NOTIFY(NM_OUTOFMEMORY, IDC_SLD_IDACVAL, OnOutofmemorySldIdacval)
	ON_NOTIFY(NM_CUSTOMDRAW, IDC_SLD_IDACVAL, OnCustomdrawSldIdacval)
	ON_NOTIFY(NM_RELEASEDCAPTURE, IDC_SLD_IDACVAL, OnReleasedcaptureSldIdacval)
	ON_BN_CLICKED(IDC_BTN_CLEARRV2, OnBtnClearrv2)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSerialPortTestDlg message handlers

BOOL CSerialPortTestDlg::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_ctrlComboComPort.SetCurSel(0); //初始选择串口1
	//以下两句分别设置“打开串口”、“关闭串口”两个按状态的使能状态
	GetDlgItem(IDC_BUTTON_OPEN)->EnableWindow(!m_bSerialPortOpened);
	GetDlgItem(IDC_BUTTON_CLOSE)->EnableWindow(m_bSerialPortOpened);
	
	m_ctlSliderVal.SetRange(0,255);
	m_ctlSliderVal.SetTicFreq(1);
	m_ctlSliderVal.SetPageSize(1);
	return TRUE;  // return TRUE  unless you set the focus to a control
}
char 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 Str2Hex(CString str, unsigned char* data)
{
	int t,t1;
	int rlen=0,len=str.GetLength();
	//data.SetSize(len/2);
	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 CSerialPortTestDlg::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 CSerialPortTestDlg::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 CSerialPortTestDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

LONG CSerialPortTestDlg::OnComm(WPARAM ch, LPARAM port)
{
	m_strEditReceiveMsg += HexChar(ch);
	UpdateData(FALSE);  //将接收到的字符显示在接收编辑框中
	return 0;
}
//清空接收区

void CSerialPortTestDlg::OnButtonOpen() 
{
	// TODO: Add your control notification handler code here
	int nPort=m_ctrlComboComPort.GetCurSel()+1; //得到串口号，想想为什么要加1
	if(m_SerialPort.InitPort(this, nPort, 115200,'N',8,1,EV_RXFLAG | EV_RXCHAR,512))
	{
		m_SerialPort.StartMonitoring();
		m_bSerialPortOpened=TRUE;
	}
	else
	{
		AfxMessageBox("没有发现此串口或被占用");
		m_bSerialPortOpened=FALSE;
	}
	GetDlgItem(IDC_BUTTON_OPEN)->EnableWindow(!m_bSerialPortOpened);
	GetDlgItem(IDC_BUTTON_CLOSE)->EnableWindow(m_bSerialPortOpened);
}

void CSerialPortTestDlg::OnButtonClose() 
{
	// TODO: Add your control notification handler code here
	m_SerialPort.ClosePort();//关闭串口
    m_bSerialPortOpened=FALSE;
	GetDlgItem(IDC_BUTTON_OPEN)->EnableWindow(!m_bSerialPortOpened);
	GetDlgItem(IDC_BUTTON_CLOSE)->EnableWindow(m_bSerialPortOpened);	
}

void CSerialPortTestDlg::OnButtonSend() 
{
	// TODO: Add your control notification handler code here
	unsigned char orlsum;
	unsigned char data[16],senddata[20];
	int len;

	if(!m_bSerialPortOpened) return; //检查串口是否打开
	UpdateData(TRUE); //读入编辑框中的数据
	
	len = Str2Hex(m_strEditSendMsg,data); //发送数据
	
	senddata[0] = 0x86;
	
	orlsum = senddata[1] = 0x10 | (len&0x0f);
	
	for(int i=0;i<len;i++)
	{
		senddata[i+2] = data[i];
		orlsum ^= data[i];
	}
	i = i+2;
	senddata[i++] = orlsum;
	senddata[i] = 0x16;

	m_SerialPort.WriteToPort(senddata,len+4);
}

void CSerialPortTestDlg::OnBtnClearRv() 
{
	// TODO: Add your control notification handler code here
	m_strEditReceiveMsg.Empty();
	UpdateData(FALSE);
}

void CSerialPortTestDlg::OnOutofmemorySldIdacval(NMHDR* pNMHDR, LRESULT* pResult) 
{
	// TODO: Add your control notification handler code here
	
	*pResult = 0;
}

void CSerialPortTestDlg::OnCustomdrawSldIdacval(NMHDR* pNMHDR, LRESULT* pResult) 
{
	// TODO: Add your control notification handler code here

	*pResult = 0;
}

void CSerialPortTestDlg::OnReleasedcaptureSldIdacval(NMHDR* pNMHDR, LRESULT* pResult) 
{
	// TODO: Add your control notification handler code here
	unsigned char senddata[16];
	if(!m_bSerialPortOpened) 
	{
		AfxMessageBox("没有发现此串口或被占用");
		return; //检查串口是否打开
	}
	
	senddata[0] = 0x86;	
	senddata[1] = 0x10 | 0x01;
	senddata[2] = m_ctlSliderVal.GetPos()&0xff;
	senddata[3] = senddata[1] ^ senddata[2];
	senddata[4] = 0x16;

	m_SerialPort.WriteToPort(senddata,5);

	CString str1;
	str1.Format("%d \r\n",senddata[2]);
//	::MessageBox(NULL,str1,"HOHO",MB_OK|MB_ICONQUESTION);

	if(m_strEditSendMsg.GetLength()/3 >=24)
	{
		m_strEditSendMsg.Empty();	
	}
	UpdateData(FALSE);  //将接收到的字符显示在接收编辑框中
	m_strEditSendMsg += str1;

	UpdateData(FALSE);  //将接收到的字符显示在接收编辑框中
	*pResult = 0;
}

void CSerialPortTestDlg::OnBtnClearrv2() 
{
	// TODO: Add your control notification handler code here
	m_strEditSendMsg.Empty();
	UpdateData(FALSE);
}