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jzz514
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// CommWizardDlg.cpp : implementation file
//

#include "stdafx.h"
#include "CommWizard.h"
#include "CommWizardDlg.h"
#include "SettingDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CCommWizardDlg dialog

CCommWizardDlg::CCommWizardDlg(CWnd* pParent /*=NULL*/)
    : CDialog(CCommWizardDlg::IDD, pParent)
{
    bSend = FALSE;
    bReceive = FALSE;

    m_nPort = 1;
    m_strSettings = _T("9600,n,8,1");
    m_strSendString = _T("");
    m_nTime = 1000;

    m_nInputMode = 1;

    //{{AFX_DATA_INIT(CCommWizardDlg)
    m_strReceive = _T("");
    //}}AFX_DATA_INIT
    // Note that LoadIcon does not require a subsequent DestroyIcon in Win32
    m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CCommWizardDlg::DoDataExchange(CDataExchange* pDX)
{
    CDialog::DoDataExchange(pDX);
    //{{AFX_DATA_MAP(CCommWizardDlg)
    DDX_Control(pDX, IDC_RECEIVE, m_ctrlReceive);
    DDX_Control(pDX, IDC_SEND, m_ctrlSend);
    DDX_Control(pDX, IDC_TYPE, m_ctrlDataType);
    DDX_Text(pDX, IDC_EDIT_RECEIVE, m_strReceive);
    DDX_Control(pDX, IDC_COMMCTRL, m_Com);
    //}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CCommWizardDlg, CDialog)
    //{{AFX_MSG_MAP(CCommWizardDlg)
    ON_WM_SYSCOMMAND()
    ON_WM_PAINT()
    ON_WM_QUERYDRAGICON()
    ON_BN_CLICKED(IDC_RECEIVE, OnReceive)
    ON_BN_CLICKED(IDC_SEND, OnSend)
    ON_BN_CLICKED(IDC_SETTINGS, OnSettings)
    ON_CBN_SELCHANGE(IDC_TYPE, OnSelchangeType)
    ON_BN_CLICKED(IDC_CLEAR, OnClear)
    ON_BN_CLICKED(IDC_MANUALSEND, OnManualsend)
    ON_WM_TIMER()
    //}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCommWizardDlg message handlers

BOOL CCommWizardDlg::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_ctrlDataType.AddString(_T("按ASCII码"));
    m_ctrlDataType.AddString(_T("按2进制"));
    m_ctrlDataType.AddString(_T("按16进制"));
    m_ctrlDataType.SetCurSel(m_nInputMode);

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

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

void CCommWizardDlg::OnReceive()
{
    // TODO: Add your control notification handler code here
    m_Com.GetInput();//先预读缓冲区以清除残留数据
    bReceive = !bReceive;
    if(bReceive)
        m_ctrlReceive.SetWindowText(_T("停止接收"));
    else
        m_ctrlReceive.SetWindowText(_T("开始接收"));
}

void CCommWizardDlg::OnSend()
{
    // TODO: Add your control notification handler code here
    bSend = !bSend;
    if(bSend)
    {
        m_ctrlSend.SetWindowText(_T("停止发送"));
        SetTimer(1,m_nTime,NULL);//时间为1000毫秒
    }
    else
    {
        m_ctrlSend.SetWindowText(_T("自动发送"));
        KillTimer(1);  //取消定时
    }    
}

void CCommWizardDlg::OnSettings()
{
    // TODO: Add your control notification handler code here
    CSettingDlg setDlg;
    
    setDlg.nPort = m_nPort;
    setDlg.nTime = m_nTime;
    setDlg.strSettings = m_strSettings;
    setDlg.strSendString = m_strSendString;

    if(setDlg.DoModal() == IDOK)
    {
        m_nPort = setDlg.nPort;
        m_nTime = setDlg.nTime;
        m_strSettings = setDlg.strSettings;
        m_strSendString = setDlg.strSendString;
    }
    OpenPort();
}

void CCommWizardDlg::OnSelchangeType()
{
    // TODO: Add your control notification handler code here
    m_nInputMode = m_ctrlDataType.GetCurSel();
}

void CCommWizardDlg::OnClear()
{
    // TODO: Add your control notification handler code here
    m_strReceive = _T("");
}

BEGIN_EVENTSINK_MAP(CCommWizardDlg, CDialog)
    //{{AFX_EVENTSINK_MAP(CCommWizardDlg)
    ON_EVENT(CCommWizardDlg, IDC_COMMCTRL, 1 /* OnComm */, OnOnCommCommctrl, VTS_NONE)
    //}}AFX_EVENTSINK_MAP
END_EVENTSINK_MAP()

void CCommWizardDlg::OnOnCommCommctrl()
{
    // 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;
    if(bReceive)
    {
        if(m_Com.GetCommEvent()==2)     //事件值为2表示接收缓冲区内有字符
        {
            variant_inp = m_Com.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
                            
                if(m_nInputMode == 2)
                    strtemp.Format("%02X ",bt); //将字符以十六进制方式送入临时变量strtemp存放,注意这里加入一个空隔
                else
                    strtemp.Format("%c",bt); //将字符送入临时变量strtemp存放












//----------帮忙看一下下面哪儿有问题--------------------//

FILE file;
file=fopen("c:\\test.txt","r");
if  ( file == NULL )
{
   //没有创建文件,则创建文件
    file=fopen("c:\test.txt","w");
   //写入数据
     fputs(strtemp,file);
   fclose(file);
}
else
{
    //表示创建了,则关闭后,在用追加方式写入
    fclose(file);
   file=fopen("c:\test.txt","a");
   //写入数据
     fputs(strtemp,file);
   fclose(file);
}
//----------帮忙看一下上面哪儿有问题--------------------//








                m_strReceive = m_strReceive + strtemp;    //加入接收编辑框对应字符串   
            }
            m_strReceive += "\r\n";
        }
    }
    UpdateData(FALSE);           //更新编辑框内容
}

void CCommWizardDlg::OpenPort()
{
    if(m_Com.GetPortOpen())
        m_Com.SetPortOpen(FALSE);

    m_Com.SetCommPort(m_nPort);       //选择com1
    if( !m_Com.GetPortOpen())
        m_Com.SetPortOpen(TRUE);//打开串口
    else
        AfxMessageBox("cannot open serial port");

    m_Com.SetSettings(m_strSettings); //波特率9600,无校验,8个数据位,1个停止位
    m_Com.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_Com.SetInputMode(1);
    m_Com.SetInputLen(0);  //设置当前接收区数据长度为0
    m_Com.GetInput();//先预读缓冲区以清除残留数据    
}

void CCommWizardDlg::OnManualsend()
{
    // TODO: Add your control notification handler code here
    CString strSend;

    if(m_nInputMode > 1)
    {
        CByteArray hexdata;
        int len=String2Hex(m_strSendString ,hexdata);
        m_Com.SetOutput(COleVariant(hexdata));
    }
    else
        m_Com.SetOutput(COleVariant(m_strSendString));//发送数据
}

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


int CCommWizardDlg::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;
}

//这是一个将字符转换为相应的十六进制值的函数
//功能:若是在0-F之间的字符,则转换为相应的十六进制字符,否则返回-1
char CCommWizardDlg::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);
}
2008-04-02 11:07
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