test3dlg.cpp

我用VC编的一个小小的串口应用程序,里面用到了一个库CComm。挺简单的。

// test3Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "test3.h"
#include "test3Dlg.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()

/////////////////////////////////////////////////////////////////////////////
// CTest3Dlg dialog

CTest3Dlg::CTest3Dlg(CWnd* pParent /*=NULL*/)
	: CDialog(CTest3Dlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CTest3Dlg)
	m_strCommandSend = _T("");
	m_CurrentValue = 0;
	m_OutputValue = 0;
	m_strCOMPort = _T("");
	m_bAutoCheck = FALSE;
	m_strReturnBuf = _T("");
	m_SettingValue = 0;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
	cnComm myCom1();
}

void CTest3Dlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CTest3Dlg)
	DDX_Control(pDX, IDC_CHECK_HEXSEND, m_bHexSend);
	DDX_Control(pDX, IDC_CHECK_HEXRECV, m_bHexRecv);
	DDX_Control(pDX, IDC_BUTTON_SEND_COMMAND, m_bSendCommand);
	DDX_Control(pDX, IDC_BUTTON_QUERY, m_bQuery);
	DDX_Text(pDX, IDC_EDIT_COMMAND, m_strCommandSend);
	DDX_Text(pDX, IDC_EDIT_CURRENT, m_CurrentValue);
	DDX_Text(pDX, IDC_EDIT_OUTPUT, m_OutputValue);
	DDX_CBString(pDX, IDC_COMBO_COMPORT, m_strCOMPort);
	DDX_Check(pDX, IDC_CHECK_AUTO, m_bAutoCheck);
	DDX_Text(pDX, IDC_EDIT_RETURN, m_strReturnBuf);
	DDX_Text(pDX, IDC_EDIT_SETTING, m_SettingValue);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CTest3Dlg, CDialog)
	//{{AFX_MSG_MAP(CTest3Dlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON_QUERY, OnButtonQuery)
	ON_BN_CLICKED(IDC_BUTTON_SEND_COMMAND, OnButtonSendCommand)
	ON_BN_CLICKED(IDC_BUTTON_CLEAR_RECV, OnButtonClearRecv)
	ON_BN_CLICKED(IDC_BUTTON_CLEAR_SEND, OnButtonClearSend)
	ON_BN_CLICKED(IDC_CHECK_AUTO, OnCheckAuto)
	ON_WM_TIMER()
	//}}AFX_MSG_MAP
	//ON_MESSAGE(ON_COM_RECEIVE, On_Receive)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTest3Dlg message handlers

BOOL CTest3Dlg::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_strCommandSend = "ATI1\r\n";
	UpdateData(FALSE);
	
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CTest3Dlg::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 CTest3Dlg::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 CTest3Dlg::OnQueryDragIcon()
{
	
	return (HCURSOR) m_hIcon;
}


CString StringToHexString(CString cs)
{
	CString ret, tmp;
	for(int i=0; i<cs.GetLength(); i++)
	{
		unsigned char c = cs[i];
		tmp.Format("%02hX ", c);
		ret+=tmp;
	}
	return ret;
}

CString HexStringToHex(CString cs)
{
	CString ret;
	char *Input=cs.GetBuffer(cs.GetLength());
	char seps[]   = " ,\t\n";
	char*  token = strtok( Input, seps );
	int iAscii;
	while( token != NULL )
	{
		sscanf(token ,"%x", &iAscii);
		ret += iAscii;
		token = strtok( NULL, seps );
	}
	
	return ret;
}


void CTest3Dlg::OnButtonQuery() 
{
	// TODO: Add your control notification handler code here
	int len;
	char str[1024];
	len = myCom1.GetInputSize();
	myCom1.ReadString(str,1024);
	CString strHEX;

	if(len > 0)
	{
		m_CurrentValue = GetCurrentValue(str);
		m_OutputValue  = GetOutputValue (str);
		m_SettingValue = GetSettingValue(str);

		if (m_bHexRecv.GetCheck())
		{
			m_strReturnBuf = StringToHexString(str);
		}
		else
		{	
			char com_str[10];
			strcpy(com_str, "COM");
			ltoa((long)myCom1._dwPort, com_str + 3, 10); 
			m_strReturnBuf = com_str;
			m_strReturnBuf += " : ";
			m_strReturnBuf += str;
			m_strReturnBuf += "\r\n";
		}
	}
	UpdateData(false);
}


void CTest3Dlg::OnButtonSendCommand() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE); //读取编辑框内容
	try
	{
		if (!myCom1.Open(3))
			MessageBox("Error in opening COM1","ERROR",MB_OK);
		else
		{
			myCom1.SetWnd(m_hWnd);
			
			if (m_bHexSend.GetCheck())
			{
				m_strCommandSend = HexStringToHex(m_strCommandSend);
				//CString str = "\x41\x54\x49\x31\x0D\x0A";
				DWORD len = m_strCommandSend.GetLength();
				LPVOID p = (LPVOID)m_strCommandSend.GetBuffer(0);
				
				myCom1.Write(p,len);
//				myCom1.Write("\x41\x54\x49\x31\x0D\x0A",88);
//				myCom1.Write("41 54 49 31 0D 0A",88);
				Sleep(500);
			}
			else
			{
				myCom1.Write(m_strCommandSend);
				Sleep(500);
//				myCom1.Close();
			}
		}
	}
	catch (exception &e)
	{
		MessageBox(e.what(),"ERROR",MB_OK);
	}

	UpdateData(FALSE);
}

void CTest3Dlg::OnButtonClearRecv() 
{
	// TODO: Add your control notification handler code here
	m_strReturnBuf = "";
	UpdateData(FALSE);
	
}

void CTest3Dlg::OnButtonClearSend() 
{
	// TODO: Add your control notification handler code here
	m_strCommandSend = "";
	UpdateData(FALSE);
}

void CTest3Dlg::OnCheckAuto() 
{
	// TODO: Add your control notification handler code here
	m_bAutoCheck = !m_bAutoCheck;
	if (m_bAutoCheck)
	{
		SetTimer(1,1000,NULL);//时间为1000毫秒
	}
	else
	{
		KillTimer(1);
	}

		
}

void CTest3Dlg::OnTimer(UINT nIDEvent) 
{
	// TODO: Add your message handler code here and/or call default
	OnButtonQuery();
	CDialog::OnTimer(nIDEvent);
}

/*
LRESULT CTest3Dlg::On_Receive(WPARAM wp, LPARAM lp)
{
	int len;
	char str[1024];
	len = myCom1.GetInputSize();
	myCom1.ReadString(str,1024);
	CString strHEX;

	if(len > 0)
	{
		if (m_bHexRecv.GetCheck())
		{
			m_strReturnBuf = StringToHexString(str);
			UpdateData(false);
			
		}
		else
		{	
			char com_str[10];
			strcpy(com_str, "COM");
			ltoa((long)wp, com_str + 3, 10); //	WPARAM 保存端口号
			m_strReturnBuf += com_str;
			m_strReturnBuf += " : ";
			m_strReturnBuf += str;
			m_strReturnBuf += "\r\n";
			UpdateData(false);
		}
	}
	return 0;
}
	
*/
/*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;
}
*/

double CTest3Dlg::GetSettingValue(CString cs)
{
	double ret;
	CString lowHex  = cs.Mid(24,2);
	CString highHex = cs.Mid(26,2);
	char    *low	= lowHex.GetBuffer(lowHex.GetLength());
	char    *high	= highHex.GetBuffer(highHex.GetLength());
	
	double temp1 = atoi(low);
	double temp2 = atoi(high);
//	char *Input=cs.GetBuffer(cs.GetLength());
	ret          = temp2 * 16 + temp1;
	return ret;
}

double CTest3Dlg::GetCurrentValue(CString cs)
{
	double ret;
	CString lowHex  = cs.Mid(12,2);
	CString highHex = cs.Mid(14,2);
	char    *low	= lowHex.GetBuffer(lowHex.GetLength());
	char    *high	= highHex.GetBuffer(highHex.GetLength());
	
	double temp1 = atoi(low);
	double temp2 = atoi(high);
//	char *Input=cs.GetBuffer(cs.GetLength());
	ret          = temp2 * 16 + temp1;
	return ret;

}

double CTest3Dlg::GetOutputValue(CString cs)
{
	double ret;

	return ret;

}
/*
char 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);
}
*/