ssdlg.cpp

以MSComm控件为主体通过串口进行文件或字符的传输

// ssDlg.cpp : implementation file
//

#include "stdafx.h"
#include "ss.h"
#include "ssDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CSsDlg dialog

CSsDlg::CSsDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CSsDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CSsDlg)
	m_edit = _T("");
	m_edit1 = _T("");
	m_edit2 = _T("");
	m_edit3 = _T("");
	m_edit4 = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CSsDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CSsDlg)
	DDX_Control(pDX, IDC_MSCOMM1, m_com1);
	DDX_Text(pDX, IDC_EDIT, m_edit);
	DDX_Text(pDX, IDC_EDIT1, m_edit1);
	DDX_Text(pDX, IDC_EDIT2, m_edit2);
	DDX_Text(pDX, IDC_EDIT3, m_edit3);
	DDX_Text(pDX, IDC_EDIT4, m_edit4);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CSsDlg, CDialog)
	//{{AFX_MSG_MAP(CSsDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_CLEAR, OnClear)
	ON_BN_CLICKED(IDC_SEND, OnSend)
	ON_BN_CLICKED(IDC_OPEN_FILE, OnOpenFile)
	ON_BN_CLICKED(IDC_BUTTON_SAVE, OnButtonSave)
	ON_BN_CLICKED(IDC_RADIO_SEND, OnRadioSend)
	ON_BN_CLICKED(IDC_RADIO_RECEIVE, OnRadioReceive)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSsDlg message handlers

BOOL CSsDlg::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_edit=" ";
	 m_edit1=" ";
	 count=0;
	 file=0;
     if(m_com1.GetPortOpen())
     m_com1.SetPortOpen(FALSE);

     m_com1.SetCommPort(1); //选择com1
     if( !m_com1.GetPortOpen())
         m_com1.SetPortOpen(TRUE);//打开串口
	 else
         AfxMessageBox("cannot open serial port");
     m_com1.SetSettings("9600,n,8,1"); //波特率9600，无校验，8个数据位，1个停止位 
     m_com1.SetInputMode(1);   //1：表示以二进制方式检取数据 
	 m_com1.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_com1.SetInputLen(0); //设置当前接收区数据长度为0
     m_com1.GetInput();//先预读缓冲区以清除残留数据
   return TRUE;  // return TRUE  unless you set the focus to a control
}

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

BEGIN_EVENTSINK_MAP(CSsDlg, CDialog)
    //{{AFX_EVENTSINK_MAP(CSsDlg)
	ON_EVENT(CSsDlg, IDC_MSCOMM1, 1 /* OnComm */, OnOnCommMscomm1, VTS_NONE)
	//}}AFX_EVENTSINK_MAP
END_EVENTSINK_MAP()

void CSsDlg::OnOnCommMscomm1() 
{
	// TODO: Add your control notification handler code here
	//count = 0;
	VARIANT m_input1;
	COleSafeArray m_input2;
	long length,i;
	BYTE data[1024];
	CString str,str1;
	str1.Empty();
	if(m_com1.GetCommEvent()==2)
	{
		m_input1=m_com1.GetInput();              //读取缓冲区内的数据
		m_input2=m_input1;                       //将VARIANT型变量转换为COleSafeArray型变量
		length=m_input2.GetOneDimSize();         //确定数据长度
		for(i=0;i<length;i++)
			m_input2.GetElement(&i,data+i);      //将数据转换为BYTE型数组
		/*if(file==1)
		{
			CFile cf;
			GetDlgItemText(IDC_EDIT4,m_edit4);
			if(cf.Open(m_edit4,CFile::modeCreate|CFile::modeWrite))
			{
				try
				{
					cf.SeekToEnd(); 
					//用于移动到文件尾，保证文件开头的数据不会在每次附加数据写入文件时被覆盖
					cf.Write(data,length);
					cf.Flush();
					cf.Close();
				}
				catch(CFileException *e)
				{
					//Alert users to error
					e->Delete();
				}
			}
			file = 0;
			count = 0;
			m_edit4.Empty();
			UpdateData(FALSE);
            CButton*pWnd = (CButton*)GetDlgItem(IDC_RADIO_RECEIVE);        
	        pWnd->SetCheck(BST_UNCHECKED); 
		}*/

		for(i=0;i<length;i++)                    //将数组转换为CString型变量
		{
			BYTE a=*(char*)(data+i);
			str.Format("%c",a);
			str1+=str;
			count++;
		}
        if(file==1&&m_com1.GetCommEvent()==EOF)
		{
			CFile cf;
			GetDlgItemText(IDC_EDIT4,m_edit4);
			if(cf.Open(m_edit4,CFile::modeCreate|CFile::modeWrite))
			{
				try
				{
					cf.SeekToEnd(); 
					//用于移动到文件尾，保证文件开头的数据不会在每次附加数据写入文件时被覆盖
					cf.Write(data,length);
					cf.Flush();
					cf.Close();
				}
				catch(CFileException *e)
				{
					//Alert users to error
					e->Delete();
				}
			}
			file = 0;
			count = 0;
			m_edit4.Empty();
			UpdateData(FALSE);
            CButton*pWnd = (CButton*)GetDlgItem(IDC_RADIO_RECEIVE);        
	        pWnd->SetCheck(BST_UNCHECKED); 
		}
		str1+="\r\n";
		m_edit+=str1;
		//SetDlgItemText(IDC_EDIT,m_Str);
		//m_Str1=m_Str;
		
		m_edit1.Format("%d",count);
		m_edit1+="\r\n";
	}
	UpdateData(FALSE);
}

void CSsDlg::OnClear() 
{
	// TODO: Add your control notification handler code here
	m_edit.Empty();
	m_edit1.Empty();
	m_edit2.Empty();
	//count=0;
	//str.Format("d%",count);
	//SetDlgItemText(IDC_EDIT,m_Str);
    //SetDlgItemText(IDC_EDIT,str);
	UpdateData(FALSE);
}

void CSsDlg::OnSend() 
{
	// TODO: Add your control notification handler code here
	if(file==1)
	{
		FILE *pf;
        //extern bool tg;
		//tg=true;
		CByteArray sendData; 
		int line=0;
		int i=0;
		//long int Filelength;
		sendData.SetSize(17);
		BYTE* sendArr = new BYTE[17];
		/*CFileDialog Dlg(true);
		//Dlg.m_ofn.lpstrFilter="Txt File(*.dat)\0*.dat\0All File(*.*)\0*.*\0\0";
		//CString fnamee;
		if(IDOK==Dlg.DoModal())
		{ 
			fnamee=Dlg.GetPathName();
			fnamee.Replace("\\","\\\\");
			CFile FileDlg(Dlg.GetFileName(), CFile::modeRead );
			Filelth=FileDlg.GetLength();
			FileDlg.Close();
		}*/
        int Filelth = count;
		GetDlgItemText(IDC_EDIT3,m_edit3);
		pf=fopen(m_edit3,"r+b");
		CString cs;
		cs.Format("%d",Filelth);
		AfxMessageBox("统计文件字节数中");
        AfxMessageBox(cs);
		while(line*16<Filelth)
		{ 
			if(line*16+16<=Filelth)
			{
				fseek(pf,line*16,0);
				for(int ii=0;ii<16;ii++)
					fread(&sendArr[ii],1,1,pf);            //将文件数据存入BYTE型数组中
				for(int j =0; j<16; j++)
				{
					sendData.SetAt(j, sendArr[j]);         //将BYTE型数据转换为COleVariant型
				}
				m_com1.SetOutput(COleVariant(sendData));
				//CString bb;
			}
			else
			{
				i=Filelth%16;
				fseek(pf,line*16,0);
				for(int ii=0;ii<i;ii++)
					fread(&sendArr[ii],1,1,pf);
				for(int j =0; j<i; j++)
				{
					sendData.SetAt(j, sendArr[j]);
				}
				m_com1.SetOutput(COleVariant(sendData));
			}
			line++;
		}
		delete sendArr;
		if(Filelth==(line-1)*16+i)
			AfxMessageBox("发送完毕"); 
		fclose(pf);
		file = 0;
        CButton*pWnd = (CButton*)GetDlgItem(IDC_RADIO_SEND);        
	    pWnd->SetCheck(BST_UNCHECKED); 
		m_edit3.Empty();
		UpdateData(FALSE);
	}
	UpdateData(TRUE);
    m_com1.SetOutput(COleVariant(m_edit2));
}

void CSsDlg::OnOpenFile() 
{
	// TODO: Add your control notification handler code here
	CButton*pWnd = (CButton*)GetDlgItem(IDC_RADIO_SEND);        
	BOOL bSend = pWnd->GetCheck();                         //检查Radio Button是否是发送状态
	//static int Filelth;
	if(bSend)
	{
		CString strFilePath;
		char szFileters[] = "C files (*.c)|*.c|Text files(*.txt)|*.txt|All files(*.*)|*.*||";
		//对文件类型过滤器进行设置
		CFileDialog Filedlg(TRUE,                    //指明构造一个打开文件的对话框
			NULL,                                        //不指定扩展名
			NULL,                                        //不显示初始文件名
			OFN_HIDEREADONLY|OFN_OVERWRITEPROMPT|        
			OFN_ALLOWMULTISELECT|OFN_EXPLORER,            
			szFileters,                                  //允许设置文件类型过滤器
			NULL);
		if(Filedlg.DoModal()==IDOK)
		{
			
			//strFilePath = Filedlg.GetPathName();
			CFile FileOp(Filedlg.GetPathName(), CFile::modeRead );
            //按照Filedlg.GetPathName()所获得路径以只读方式打开文件
			count=FileOp.GetLength();                        //获取文件大小（字节数）
			CWnd*pWnd = GetDlgItem(IDC_EDIT3);
			pWnd->SetWindowText(Filedlg.GetPathName());           //将路径显示于对应编辑框中
			file = 1;
		}
		//m_edit3 = strFilePath;
	}
}

void CSsDlg::OnButtonSave() 
{
	// TODO: Add your control notification handler code here
	CButton*pWnd = (CButton*)GetDlgItem(IDC_RADIO_RECEIVE);
	BOOL bReceive = pWnd->GetCheck();                      //检查Radio Button是否是接收状态
	if(bReceive)
	{
		char szFileters[] = "C files (*.c)|*.c|Text files(*.txt)|*.txt|All files(*.*)|*.*||";
		//对文件类型过滤器进行设置
		CFileDialog Filedlg(FALSE,                    //指明构造一个保存文件的对话框
			NULL,                                        //不指定扩展名
			NULL,                                        //不显示初始文件名
			OFN_HIDEREADONLY|OFN_OVERWRITEPROMPT|        
			OFN_ALLOWMULTISELECT|OFN_EXPLORER,            
			szFileters,                                  //允许设置文件类型过滤器
			NULL);
		if(Filedlg.DoModal()==IDOK)
		{
			//CString strFilePath = Filedlg.GetPathName();
			CWnd*pWnd = GetDlgItem(IDC_EDIT4);
			pWnd->SetWindowText(Filedlg.GetPathName());    //将路径显示于对应编辑框中
			file = 1;                                      
		}
	}
}

void CSsDlg::OnRadioSend() 
{
	// TODO: Add your control notification handler code here
	file=1;
}

void CSsDlg::OnRadioReceive() 
{
	// TODO: Add your control notification handler code here
	file=1;
}