#include?“stdafx.h“
#include?“SerialPort.h“

#include??
//
//?Constructor
//
CSerialPort::CSerialPort（）
{
	m_hComm?=?NULL;
	//?initialize?overlapped?structure?members?to?zero
	m_ov.Offset?=?0;
	m_ov.OffsetHigh?=?0;

	//?create?events
	m_ov.hEvent?=?NULL;
	m_hWriteEvent?=?NULL;
	m_hShutdownEvent?=?NULL;

	m_szWriteBuffer?=?NULL;
	m_nWriteSize=1;

	m_bThreadAlive?=?FALSE;
}

//
//?Delete?dynamic?memory
//
CSerialPort::~CSerialPort（）
{
	do
	{
		SetEvent（m_hShutdownEvent）;
	}?while?（m_bThreadAlive）;

	
	//?if?the?port?is?still?opened:?close?it?
	if?（m_hComm?!=?NULL）
	{
		CloseHandle（m_hComm）;
		m_hComm?=?NULL;
	}
	//?Close?Handles??
	if（m_hShutdownEvent!=NULL）
		CloseHandle（?m_hShutdownEvent）;?
	if（m_ov.hEvent!=NULL）
		CloseHandle（?m_ov.hEvent?）;?
	if（m_hWriteEvent!=NULL）
		CloseHandle（?m_hWriteEvent?）;?

	TRACE（L“Thread?ended\n“）;
	delete?[]?m_szWriteBuffer;
}

//
//?Initialize?the?port.?This?can?be?port?1?to?4.
//
BOOL?CSerialPort::InitPort（CWnd*?pPortOwner	????//?the?owner?（CWnd）?of?the?port?（receives?message）
						???UINT??portnr		????//?portnumber?（1..4）
						???UINT??baud			????//?baudrate
						???wchar_t??parity		????//?parity?
						???UINT??databits		????//?databits?
						???UINT??stopbits		????//?stopbits?
						???DWORD?dwCommEvents	????//?EV_RXCHAR?EV_CTS?etc
						???UINT??writebuffersize???//?size?to?the?writebuffer
???????????????????????????UINT??g2DTR_RTS）	????????//?DTR?&?RTS?Control
{
	assert（portnr?>?0?&&?portnr?	assert（pPortOwner?!=?NULL）;

	//?if?the?thread?is?alive:?Kill
	if?（m_bThreadAlive）
	{
		do
		{
			SetEvent（m_hShutdownEvent）;
		}?while?（m_bThreadAlive）;
		TRACE（L“Thread?ended\n“）;
	}

	//?create?events
	if?（m_ov.hEvent?!=?NULL）
		ResetEvent（m_ov.hEvent）;
	else
		m_ov.hEvent?=?CreateEvent（NULL?TRUE?FALSE?NULL）;

	if?（m_hWriteEvent?!=?NULL）
		ResetEvent（m_hWriteEvent）;
	else
		m_hWriteEvent?=?CreateEvent（NULL?TRUE?FALSE?NULL）;
	
	if?（m_hShutdownEvent?!=?NULL）
		ResetEvent（m_hShutdownEvent）;
	else
		m_hShutdownEvent?=?CreateEvent（NULL?TRUE?FALSE?NULL）;

	//?initialize?the?event?objects
	m_hEventArray[0]?=?m_hShutdownEvent;	//?highest?priority
	m_hEventArray[1]?=?m_ov.hEvent;
	m_hEventArray[2]?=?m_hWriteEvent;

	//?initialize?critical?section
	InitializeCriticalSection（&m_csCommunicationSync）;
	
	//?set?buffersize?for?writing?and?save?the?owner
	m_pOwner?=?pPortOwner;

	if?（m_szWriteBuffer?!=?NULL）
		delete?[]?m_szWriteBuffer;
	m_szWriteBuffer?=?new?wchar_t[writebuffersize];

	m_nPortNr?=?portnr;

	m_nWriteBufferSize?=?writebuffersize;
	m_dwCommEvents?=?dwCommEvents;

	BOOL?bResult?=?FALSE;
	wchar_t?*szPort?=?new?wchar_t[50];
	wchar_t?*szBaud?=?new?wchar_t[50];

	//?now?it?critical!
	EnterCriticalSection（&m_csCommunicationSync）;

	//?if?the?port?is?already?opened:?close?it
	if?（m_hComm?!=?NULL）
	{
		CloseHandle（m_hComm）;
		m_hComm?=?NULL;
	}

	//?prepare?por

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2012-07-30?15:24??Unicode_Demo\
?????目錄???????????0??2012-07-30?15:24??Unicode_Demo\Debug\
?????目錄???????????0??2012-07-27?17:04??Unicode_Demo\Unicode_Demo\
?????目錄???????????0??2012-07-30?15:24??Unicode_Demo\Unicode_Demo\Debug\
?????文件????????3236??2012-07-27?17:04??Unicode_Demo\Unicode_Demo\ReadMe.txt
?????文件????????2014??2012-07-30?11:47??Unicode_Demo\Unicode_Demo\Resource.h
?????文件???????19890??2012-07-30?11:24??Unicode_Demo\Unicode_Demo\SerialPort.cpp
?????文件????????3139??2012-07-27?17:26??Unicode_Demo\Unicode_Demo\SerialPort.h
?????文件??????106344??2012-07-30?13:28??Unicode_Demo\Unicode_Demo\Unicode_Demo.aps
?????文件????????2071??2012-07-27?17:04??Unicode_Demo\Unicode_Demo\Unicode_Demo.cpp
?????文件?????????478??2012-07-27?17:04??Unicode_Demo\Unicode_Demo\Unicode_Demo.h
?????文件???????11964??2012-07-30?13:28??Unicode_Demo\Unicode_Demo\Unicode_Demo.rc
?????文件????????6048??2012-07-27?17:09??Unicode_Demo\Unicode_Demo\Unicode_Demo.vcxproj
?????文件????????2209??2012-07-27?17:09??Unicode_Demo\Unicode_Demo\Unicode_Demo.vcxproj.filters
?????文件?????????143??2012-07-27?17:04??Unicode_Demo\Unicode_Demo\Unicode_Demo.vcxproj.user
?????文件????????5560??2012-07-30?13:30??Unicode_Demo\Unicode_Demo\Unicode_DemoDlg.cpp
?????文件????????1097??2012-07-30?11:50??Unicode_Demo\Unicode_Demo\Unicode_DemoDlg.h
?????目錄???????????0??2012-07-27?17:04??Unicode_Demo\Unicode_Demo\res\
?????文件???????67777??2009-08-31?02:31??Unicode_Demo\Unicode_Demo\res\Unicode_Demo.ico
?????文件?????????680??2012-07-27?17:04??Unicode_Demo\Unicode_Demo\res\Unicode_Demo.rc2
?????文件?????????145??2012-07-27?17:04??Unicode_Demo\Unicode_Demo\stdafx.cpp
?????文件????????1632??2012-07-27?17:04??Unicode_Demo\Unicode_Demo\stdafx.h
?????文件?????????234??2012-07-27?17:04??Unicode_Demo\Unicode_Demo\targetver.h
?????文件?????????903??2012-07-27?17:04??Unicode_Demo\Unicode_Demo.sln
?????文件???????19968??2012-07-30?13:30??Unicode_Demo\Unicode_Demo.suo
?????文件???????47104??2012-07-30?15:08??Unicode_Demo\readMe.doc