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// CommTextDlg.cpp : implementation file
//

#include "stdafx.h"
#include "CommText.h"
#include "CommTextDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About
extern CCommTextApp theApp;
DWORD WINAPI ThreadCommProc( LPVOID lpParameter);

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()

/////////////////////////////////////////////////////////////////////////////
// CCommTextDlg dialog

CCommTextDlg::CCommTextDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CCommTextDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CCommTextDlg)
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CCommTextDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CCommTextDlg)
	DDX_Control(pDX, IDC_EDIT2, m_str2);
	DDX_Control(pDX, IDC_EDIT1, m_str1);
	DDX_Control(pDX, IDC_COMBO2, m_com2);
	DDX_Control(pDX, IDC_COMBO1, m_com1);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CCommTextDlg, CDialog)
	//{{AFX_MSG_MAP(CCommTextDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON2, OnButton2)
	ON_WM_CLOSE()
	ON_BN_CLICKED(IDC_BUTTON, OnButton)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCommTextDlg message handlers

BOOL CCommTextDlg::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_com1.AddString("COM1");
	m_com1.AddString("COM2");
	m_com2.AddString("COM1");
	m_com2.AddString("COM2");

	bThreadStart = FALSE;

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

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

DWORD WINAPI ThreadCommProc( LPVOID lpParameter)
{
	CCommTextDlg *pParentWnd;
	pParentWnd=(CCommTextDlg *) lpParameter;
	CString m_str;
	char CommPort[20], comm_name[20], showstr[1024];
	BYTE buf[1024];
	DWORD dLen;

	memset(buf, 0, 1024);
	memset(showstr, 0, 1024);
	memset(CommPort, 0, 20);
	memset(comm_name, 0, 20);
	strcpy(CommPort,"\\\\.\\");
	pParentWnd->m_com2.GetWindowText(comm_name, 20);
	strcat(CommPort,comm_name);

	theApp.m_com2.open(CommPort, 9600, 1);	// 异步方式打开
	//设置字符事件
	theApp.m_com2.SetEventChar(0x02);
	//清串口
	theApp.m_com2.PurgeIn();
	//设置发送请求线为低
	theApp.m_com2.SetRTS(0);

	while(WaitForSingleObject(pParentWnd->ExitEvent,0)==WAIT_TIMEOUT)
	{
		if (!theApp.m_com2.WaitEventChar())	
			continue;

		theApp.m_com2.Read(buf, 1024);
		pParentWnd->m_str2.SetWindowText((char *)buf);
	}

	SetEvent(pParentWnd->ExitedEvent);

	return 0;
}

void CCommTextDlg::OnButton2() 
{
	// TODO: Add your control notification handler code here
	ExitEvent=CreateEvent( NULL,    // no security
                           TRUE,    // explicit reset req
                           FALSE,   // initial event reset
                           NULL ) ; // no name
    ExitedEvent=CreateEvent( NULL,    // no security
                             TRUE,    // explicit reset req
                             FALSE,   // initial event reset
                             NULL ) ; // no name

	if ((hThread=CreateThread(NULL,0,ThreadCommProc,this,0,&ThreadId))==NULL)
	{
		CloseHandle(ExitEvent);
	    CloseHandle(ExitedEvent);
	    MessageBox("创建通讯线程失败","错误信息",MB_OK);
	    return;
	}
	
	bThreadStart = TRUE;

	hProc=GetCurrentProcess();
	SetPriorityClass(hProc,HIGH_PRIORITY_CLASS);
	SetThreadPriority(hThread,THREAD_PRIORITY_TIME_CRITICAL);
}

void CCommTextDlg::OnClose() 
{
	// TODO: Add your message handler code here and/or call default
	if (bThreadStart)
	{
		theApp.m_com1.Close();
		SetEvent(ExitEvent);
		WaitForSingleObject(ExitedEvent,INFINITE);
		
		CloseHandle(ExitedEvent);
		CloseHandle(ExitEvent);
	}
	CDialog::OnClose();
}

void CCommTextDlg::OnButton() 
{
	// TODO: Add your control notification handler code here
	char CommPort[20], comm_name[20], sendstr[1024];
	CString str;

	memset(sendstr, 0, 1024);
	memset(CommPort, 0, 20);
	memset(comm_name, 0, 20);
	strcpy(CommPort,"\\\\.\\");
	m_com1.GetWindowText(comm_name, 20);
	strcat(CommPort,comm_name);
	m_str1.GetWindowText(sendstr, 1024);
	str = sendstr;
	theApp.m_com1.open(CommPort, 9600, 0);
	theApp.m_com1.SendStrCommand(str);
	theApp.m_com1.Close();
}