/*
**	FILENAME			CSerialPort.cpp
**
**	PURPOSE				This?class?can?read?write?and?watch?one?serial?port.
**						It?sends?messages?to?its?owner?when?something?happends?on?the?port
**						The?class?creates?a?thread?for?reading?and?writing?so?the?main
**						program?is?not?blocked.
**
**	CREATION?DATE		15-09-1997
**	LAST?MODIFICATION	12-11-1997
**
**	AUTHOR				Remon?Spekreijse
**
**??2007-12-25?mrlong????https://code.google.com/p/mycom/
**??2011-11-06?liquanhai?http://blog.csdn.net/liquanhai/article/details/6941574
**??2013-12-04?viruscamp
**??2014-12-18?liquanhai
**	2015-01-05?Rn
*/

#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_bThreadAlive?=?FALSE;
	m_nWriteSize?=?1;
}

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

	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（“Thread?ended\n“）;

	delete?[]?m_szWriteBuffer;
}

//
//?Initialize?the?port.?This?can?be?port?1?to?4.
//
//
//parity:
//??n=none
//??e=even
//??o=odd
//??m=mark
//??s=space
//data:
//??5678
//stop:
//??11.52?
//
BOOL?CSerialPort::InitPort（HWND?pPortOwner	//?the?owner?（CWnd）?of?the?port?（receives?message）
						???UINT??portnr		//?portnumber?（1..4）
						???UINT??baud			//?baudrate
						???char??parity		//?parity?
						???UINT??databits		//?databits?
						???UINT??stopbits		//?stopbits?
						???DWORD?dwCommEvents	//?EV_RXCHAR?EV_CTS?etc
						???UINT??writebuffersize//?size?to?the?writebuffer
						???
						???DWORD???ReadIntervalTimeout
						???DWORD???ReadTotalTimeoutMultiplier
						???DWORD???ReadTotalTimeoutConstant
						???DWORD???WriteTotalTimeoutMultiplier
						???DWORD???WriteTotalTimeoutConstant?）	

{
	assert（portnr?>?0?&&?portnr?	assert（pPortOwner?!=?NULL）;

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

	/

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件?????947704??2015-01-05?19:37??SerialPortDemo_Unicode\debug\SerialPortDemo.ilk

?????文件???????2889??2015-01-05?10:15??SerialPortDemo_Unicode\SerialPortDemo\ReadMe.txt

?????文件??????21630??2005-11-11?22:45??SerialPortDemo_Unicode\SerialPortDemo\res\SerialPortDemo.ico

?????文件????????370??2015-01-05?10:15??SerialPortDemo_Unicode\SerialPortDemo\res\SerialPortDemo.rc2

?????文件????????535??2015-01-05?10:15??SerialPortDemo_Unicode\SerialPortDemo\Resource.h

?????文件??????22369??2015-01-05?19:38??SerialPortDemo_Unicode\SerialPortDemo\SerialPort.cpp

?????文件???????5601??2015-01-05?19:38??SerialPortDemo_Unicode\SerialPortDemo\SerialPort.h

?????文件??????58760??2015-01-05?10:15??SerialPortDemo_Unicode\SerialPortDemo\SerialPortDemo.aps

?????文件???????1753??2015-01-05?10:15??SerialPortDemo_Unicode\SerialPortDemo\SerialPortDemo.cpp

?????文件????????514??2015-01-05?10:17??SerialPortDemo_Unicode\SerialPortDemo\SerialPortDemo.h

?????文件???????5129??2015-01-05?10:15??SerialPortDemo_Unicode\SerialPortDemo\SerialPortDemo.rc

?????文件???????5601??2015-01-05?10:25??SerialPortDemo_Unicode\SerialPortDemo\SerialPortDemo.vcproj

?????文件???????1427??2015-01-05?19:37??SerialPortDemo_Unicode\SerialPortDemo\SerialPortDemo.vcproj.ATA-3579AD02262.FSMPC013.user

?????文件???????3027??2015-01-05?10:15??SerialPortDemo_Unicode\SerialPortDemo\SerialPortDemoDlg.cpp

?????文件????????598??2015-01-05?10:15??SerialPortDemo_Unicode\SerialPortDemo\SerialPortDemoDlg.h

?????文件????????145??2015-01-05?10:15??SerialPortDemo_Unicode\SerialPortDemo\stdafx.cpp

?????文件???????2489??2015-01-05?10:15??SerialPortDemo_Unicode\SerialPortDemo\stdafx.h

?????文件????????907??2015-01-05?10:15??SerialPortDemo_Unicode\SerialPortDemo.sln

????..A..H.?????15872??2015-01-05?19:37??SerialPortDemo_Unicode\SerialPortDemo.suo

?????目錄??????????0??2015-01-05?19:37??SerialPortDemo_Unicode\SerialPortDemo\Debug

?????目錄??????????0??2015-01-05?10:15??SerialPortDemo_Unicode\SerialPortDemo\res

?????目錄??????????0??2015-01-05?19:37??SerialPortDemo_Unicode\debug

?????目錄??????????0??2015-01-05?19:38??SerialPortDemo_Unicode\SerialPortDemo

?????目錄??????????0??2015-01-05?19:39??SerialPortDemo_Unicode

-----------?---------??----------?-----??----

??????????????1097320????????????????????24