comdlg.cpp

实现Atmega128单片机与上位机的串口通信

// comDlg.cpp : implementation file
//

#include "stdafx.h"
#include "com.h"
#include "comDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CComDlg dialog

CComDlg::CComDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CComDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CComDlg)
	m_addrh = -1;
	m_addrl = -1;
	m_baud = -1;
	m_port = -1;
	m_D1h = -1;
	m_D1l = -1;
	m_D2h = -1;
	m_D2l = -1;
	m_strReceive = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CComDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CComDlg)
	DDX_Control(pDX, IDC_COMTXD, m_filename);
	DDX_Control(pDX, IDC_COMRXD, m_nEdit);
	DDX_CBIndex(pDX, IDC_ADDRh, m_addrh);
	DDX_CBIndex(pDX, IDC_ADDRl, m_addrl);
	DDX_CBIndex(pDX, IDC_ComBaud, m_baud);
	DDX_CBIndex(pDX, IDC_ComPort, m_port);
	DDX_CBIndex(pDX, IDC_D1h, m_D1h);
	DDX_CBIndex(pDX, IDC_D1l, m_D1l);
	DDX_CBIndex(pDX, IDC_D2h, m_D2h);
	DDX_CBIndex(pDX, IDC_D2l, m_D2l);
	DDX_Control(pDX, IDC_MSCOMM, m_com);
	DDX_Text(pDX, IDC_COMRXD, m_strReceive);
	DDV_MaxChars(pDX, m_strReceive, 1024);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CComDlg, CDialog)
	//{{AFX_MSG_MAP(CComDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_OPEN, OnOpen)
	ON_BN_CLICKED(IDC_CLOSE, OnClose)
	ON_BN_CLICKED(IDC_SEND, OnSend)
	ON_BN_CLICKED(IDC_SAVE, OnSave)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CComDlg message handlers

BOOL CComDlg::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_port=0;
	m_baud=0;
	m_addrh=0;
	m_addrl=0;
	m_D1h=0;
	m_D1l=0;
	m_D2h=0;
	m_D2l=0;

	text_RXD[0] = '\0';

	UpdateData(FALSE);

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

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

void CComDlg::OnOpen() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	m_com.SetCommPort(m_port+1); //选择COM1
	m_com.SetInBufferSize(1024); //设置输入缓冲区的大小，Bytes
	m_com.SetOutBufferSize(256); //设置输出缓冲区的大小，Bytes
	if(!m_com.GetPortOpen()) //打开串口   
		m_com.SetPortOpen(TRUE);
	m_com.SetInputMode(1); //设置输入方式为二进制方式
	switch (m_baud)//设置波特率等参数
	{
		case 0: m_com.SetSettings("4800,s,8,1"); break;
		case 1: m_com.SetSettings("19200,s,8,1"); break;
		default :break;
	}
	m_com.SetRThreshold(1); //为1表示有一个字符引发一个事件　　　　
	m_com.SetInputLen(0);
	GetDlgItem(IDC_CLOSE)->EnableWindow(TRUE);
	GetDlgItem(IDC_OPEN)->EnableWindow(FALSE);
	GetDlgItem(IDC_SEND)->EnableWindow(TRUE);
}

void CComDlg::OnClose() 
{
	// TODO: Add your control notification handler code here
	m_com.SetPortOpen(FALSE);
	GetDlgItem(IDC_CLOSE)->EnableWindow(FALSE);
	GetDlgItem(IDC_OPEN)->EnableWindow(TRUE);
	GetDlgItem(IDC_SEND)->EnableWindow(FALSE);
	GetDlgItem(IDC_COMRXD)->SetWindowText(0);
	GetDlgItem(IDC_COMTXD)->SetWindowText(0);
	GetDlgItem(IDC_SAVE)->EnableWindow(FALSE);
}

void CComDlg::OnSend() 
{
	// TODO: Add your control notification handler code here
	char TxData[2];
    CByteArray array; 
	CString m_strT;
	char text_TXD[10];

	UpdateData(TRUE);
//发ADDR
	m_com.SetPortOpen(FALSE);
	m_com.SetCommPort(m_port+1); //选择COM1
	m_com.SetInBufferSize(1024); //设置输入缓冲区的大小，Bytes
	m_com.SetOutBufferSize(256); //设置输出缓冲区的大小，Bytes
	if(!m_com.GetPortOpen()) //打开串口   
		m_com.SetPortOpen(TRUE);
	m_com.SetInputMode(1); //设置输入方式为二进制方式
	switch (m_baud)
	{
		case 0: m_com.SetSettings("4800,m,8,1"); break;
		case 1: m_com.SetSettings("19200,m,8,1"); break;
		default :break;
	}
	m_com.SetRThreshold(1); //为1表示有一个字符引发一个事件　　　　
	m_com.SetInputLen(0);

	TxData[0] = m_addrh*16+m_addrl;
    array.RemoveAll();
    array.SetSize(1);
	array.SetAt(0,TxData[0]);
	m_com.SetOutput(COleVariant(array)); 
//发DATA
	m_com.SetPortOpen(FALSE);
	m_com.SetCommPort(m_port+1); //选择COM1
	m_com.SetInBufferSize(1024); //设置输入缓冲区的大小，Bytes
	m_com.SetOutBufferSize(256); //设置输出缓冲区的大小，Bytes
	if(!m_com.GetPortOpen()) //打开串口   
		m_com.SetPortOpen(TRUE);
	m_com.SetInputMode(1); //设置输入方式为二进制方式
	switch (m_baud)
	{
		case 0: m_com.SetSettings("4800,s,8,1"); break;
		case 1: m_com.SetSettings("19200,s,8,1"); break;
		default :break;
	}
	m_com.SetRThreshold(1); //为1表示有一个字符引发一个事件　　　　
	m_com.SetInputLen(0);

	TxData[0] = m_D1h*16+m_D1l;
	TxData[1] = m_D2h*16+m_D2l;
	array.RemoveAll();
    array.SetSize(2);
	array.SetAt(0,TxData[0]);
	array.SetAt(1,TxData[1]);
	m_com.SetOutput(COleVariant(array)); 
//显示发送数据
	if(m_addrh>9)
		text_TXD[0]=m_addrh+55;
	else
		text_TXD[0]=m_addrh+48;
	if(m_addrl>9)
		text_TXD[1]=m_addrl+55;
	else
		text_TXD[1]=m_addrl+48;
	if(m_D1h>9)
		text_TXD[2]=m_D1h+55;
	else
		text_TXD[2]=m_D1h+48;
	if(m_D1l>9)
		text_TXD[3]=m_D1l+55;
	else
		text_TXD[3]=m_D1l+48;
	if(m_D2h>9)
		text_TXD[4]=m_D2h+55;
	else
		text_TXD[4]=m_D2h+48;
	if(m_D2l>9)
		text_TXD[5]=m_D2l+55;
	else
		text_TXD[5]=m_D2l+48;

	text_TXD[6] = '\0';

	m_strT = text_TXD;
	GetDlgItem(IDC_COMTXD)->SetWindowText(m_strT);

	GetDlgItem(IDC_SAVE)->EnableWindow(TRUE);
}

void CComDlg::OnSave() 
{
	// TODO: Add your control notification handler code here
	CFile file;
	CString strName;
	CString strData;
	CTime t;
	int nLength;

	m_filename.GetWindowText(strName);
	strName += ".txt";
	nLength=m_nEdit.GetWindowTextLength();
	m_nEdit.GetWindowText(strData);
	file.Open(strName,CFile::modeCreate | CFile::modeWrite);
	file.Write(strData,nLength);
	file.Close();

	GetDlgItem(IDC_SAVE)->EnableWindow(FALSE);
}

BEGIN_EVENTSINK_MAP(CComDlg, CDialog)
    //{{AFX_EVENTSINK_MAP(CComDlg)
	ON_EVENT(CComDlg, IDC_MSCOMM, 1 /* OnComm */, OnOnCommMscomm, VTS_NONE)
	//}}AFX_EVENTSINK_MAP
END_EVENTSINK_MAP()

void CComDlg::OnOnCommMscomm() 
{
	// TODO: Add your control notification handler code here
    VARIANT vResponse;
	unsigned char *str;
//	char *str1;
//	char *str2;
    int k, nEvent, i,j;
	unsigned char high,low;
	//unsigned char bin[100];

	i=m_nEdit.GetWindowTextLength();
    nEvent = m_com.GetCommEvent();
    switch(nEvent)
	{
	case 2:  //收到大于RTHresshold个字符
		k = m_com.GetInBufferCount(); //接收到的字符数目
		
		if(k > 0)
		{
			//AfxMessageBox("have received"); 
			vResponse=m_com.GetInput(); //read
			//对数据进行其他处理 
			str = (unsigned char*)(unsigned char*) vResponse.parray->pvData;
		}   
		
		if(i>1024-(3*k))
			i=0;
		
		j = 0;
		while (j < k)
		{
			j++;
			high=*str/16;
			low=*str%16;
			if(high>9)
				text_RXD[i]=high+55;
			else
				text_RXD[i]=high+48;
				i++;
			if(low>9)
				text_RXD[i]=low+55;
			else
				text_RXD[i]=low+48;
			i++;
			text_RXD[i]=' ';
			i++;
			str++;
		}
		
		text_RXD[i] = '\0';
		m_strReceive = text_RXD;
		GetDlgItem(IDC_COMRXD)->SetWindowText(m_strReceive);
		//清除字符串中的不必要字符
		break;
	case 3:  //CTS线状态发生了变化
		break;
	case 4:  //DSR线状态发生了变化
		break;
	case 5:  //CD线状态发生了变化
		break;
	case 6:  //Ring Indicator发生变化
		break;
	default:
		break;
    }    

	//m_nEdit.GetWindowTextLength();
	//AfxMessageBox("have received"); 
	//UpdateData(FALSE);
	//m_nEdit.Invalidate();		
}