commappdlg.cpp

2410/wince下应用程序例程brick,COMMApp,DAC,DCMotor,mediaplayer,spi,stepmotor,tictac

// COMMAppDlg.cpp : implementation file
//

#include "stdafx.h"
#include "COMMApp.h"
#include "COMMAppDlg.h"
#include "Comm.h"

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

CString CommText = "COM3:";
unsigned long CommBaudRate = 9600;

DWORD dwTStat;

CEdit *pm_Edit;
CEdit *pm_Send;
CEdit *pm_Status;

HANDLE hSer = INVALID_HANDLE_VALUE;
HANDLE hXmitThread = INVALID_HANDLE_VALUE;
HANDLE hRcvThread = INVALID_HANDLE_VALUE;
HANDLE g_hevWriteEnable;
BOOL g_bButton1State = FALSE;
/////////////////////////////////////////////////////////////////////////////
// CCOMMAppDlg dialog

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

void CCOMMAppDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CCOMMAppDlg)
	DDX_Control(pDX, IDC_EDIT4, m_Status);
	DDX_Control(pDX, IDC_EDIT3, m_Send);
	DDX_Control(pDX, IDC_COMBO2, m_BaudRate);
	DDX_Control(pDX, IDC_COMBO1, m_CommItem);
	DDX_Control(pDX, IDC_BUTTON2, m_ButtonState);
	DDX_Control(pDX, IDC_EDIT1, m_Edit);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CCOMMAppDlg, CDialog)
	//{{AFX_MSG_MAP(CCOMMAppDlg)
	ON_BN_CLICKED(IDC_BUTTON2, OnButton2)
	ON_CBN_SELCHANGE(IDC_COMBO1, OnSelchangeCombo1)
	ON_CBN_SELCHANGE(IDC_COMBO2, OnSelchangeCombo2)
	ON_BN_CLICKED(IDC_BUTTON3, OnButton3)
	ON_BN_CLICKED(IDC_BUTTON1, OnClear)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCOMMAppDlg message handlers

BOOL CCOMMAppDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// 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
	
	CenterWindow(GetDesktopWindow());	// center to the hpc screen

	// TODO: Add extra initialization here
	pm_Edit = &m_Edit;
	pm_Send = &m_Send;
	pm_Status = &m_Status;

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

void CCOMMAppDlg::OnButton2() 
{
	// TODO: Add your control notification handler code here

	if(!g_bButton1State)
		{
		g_bButton1State = TRUE;
		//Change the Button Caption
		m_ButtonState.SetWindowText(TEXT("Close"));
		//Init COM
		CommInit(CommText,CommBaudRate);

		//Create a thread
		if(!GetExitCodeThread(hRcvThread, &dwTStat)||!GetExitCodeThread(hXmitThread, &dwTStat)||
				(dwTStat != STILL_ACTIVE))
			{
			hRcvThread = CreateThread(NULL,0,(LPTHREAD_START_ROUTINE)CommRcv,NULL,0,&dwTStat);
			if(hRcvThread)CloseHandle(hRcvThread);

			hXmitThread = CreateThread(NULL,0,(LPTHREAD_START_ROUTINE)CommTrans,NULL,0,&dwTStat);
			if(hXmitThread)CloseHandle(hXmitThread);
			}

		g_hevWriteEnable = CreateEvent(NULL,FALSE,FALSE,NULL);
	//	g_hevReadEnable = CreateEvent(NULL,FALSE,FALSE,NULL);

		}
	else
		{
		g_bButton1State = FALSE;
		//Change the caption
		m_ButtonState.SetWindowText(TEXT("Open"));

		pm_Status->SetWindowText(TEXT("COM Closed!"));
		GetExitCodeThread(hRcvThread, &dwTStat);
		TerminateThread(hRcvThread,dwTStat);

		GetExitCodeThread(hXmitThread, &dwTStat);
		TerminateThread(hXmitThread,dwTStat);

		if(hSer != NULL)  
			{
			CloseHandle(hSer);
			hSer = NULL;
			}
		}
}

void CCOMMAppDlg::OnSelchangeCombo1() 
{
	// TODO: Add your control notification handler code here
	int n,i;

	i = m_CommItem.GetCurSel();
	n = m_CommItem.GetLBTextLen(i);
	m_CommItem.GetLBText(i,CommText.GetBuffer(n));
	CommText.ReleaseBuffer();	
}

void CCOMMAppDlg::OnSelchangeCombo2() 
{
	// TODO: Add your control notification handler code here

	unsigned long BR[] = {1200,2400,4800,9600,14400,19200,38400,56000,57600,115200};//BaudRate
	int i = m_BaudRate.GetCurSel();

	CommBaudRate = BR[i];	
}

void CCOMMAppDlg::OnButton3() 
{
	// TODO: Add your control notification handler code here
	//Set the Write Event
	SetEvent(g_hevWriteEnable);
}

void CCOMMAppDlg::OnClear() 
{
	// TODO: Add your control notification handler code here
	pm_Edit->SetSel(0,-1);
	pm_Edit->Clear();
}