#include??
#include????
#include??


#define???FC_DTRDSR???????????????0x01???
#define???FC_RTSCTS???????????????0x02???
#define???FC_XONXOFF?????????????0x04???
#define???ASCII_BEL???????????????0x07???
#define???ASCII_BS?????????????????0x08???
#define???ASCII_LF?????????????????0x0A???
#define???ASCII_CR?????????????????0x0D???
#define???ASCII_XON???????????????0x11???
#define???ASCII_XOFF?????????????0x13???
???
//***************************?Open?COM?&?Initial?COM?*****************************
??
??HANDLE?_stdcall?OpenCom（?DWORD?nPort?DWORD?nBaud?）???
??{???
???
??
??HANDLE?m_hIDComDev;?
??OVERLAPPED?m_OverlappedReadm_OverlappedWrite;
??char???szPort[15];???
??char???szComParams[50];???
??DCB???dcb;???
??m_hIDComDev?=?NULL;??????

??if（nPort>8）?
??return?NULL;
??wsprintf（szPort?“COM%d“?nPort）;???
??m_hIDComDev?=?CreateFile（?szPort??
	????????????????????????GENERIC_READ???|???GENERIC_WRITE?
	????????????????????????0???
							NULL???
							OPEN_EXISTING???
							FILE_ATTRIBUTE_NORMAL???|???FILE_FLAG_OVERLAPPED??
							NULL???）;???

??if（?m_hIDComDev?==?NULL???）?
	??return?NULL;???
????
??memset（&m_OverlappedRead?0?sizeof（?OVERLAPPED）??）;???
??memset（&m_OverlappedWrite?0?sizeof（OVERLAPPED）??）;???
????
??COMMTIMEOUTS???CommTimeOuts;???
??CommTimeOuts.ReadIntervalTimeout???=???0xFFFFFFFF;???
??CommTimeOuts.ReadTotalTimeoutMultiplier???=???0;???
??CommTimeOuts.ReadTotalTimeoutConstant???=???0;???
??CommTimeOuts.WriteTotalTimeoutMultiplier???=???0;???
??CommTimeOuts.WriteTotalTimeoutConstant???=???5000;???
??SetCommTimeouts（???m_hIDComDev???&CommTimeOuts???）;???
????
??wsprintf（???szComParams???“COM%d:%dn81“???nPort???nBaud???）;???
????
??m_OverlappedRead.hEvent???=?CreateEvent（???NULL???TRUE???FALSE???NULL???）;???
??m_OverlappedWrite.hEvent???=?CreateEvent（???NULL???TRUE???FALSE???NULL???）;???
????
??dcb.DCBlength???=???sizeof（???DCB???）;???
??GetCommState（???m_hIDComDev???&dcb???）;???
??dcb.BaudRate???=???nBaud;???
??dcb.ByteSize???=???8;???
??unsigned???char???ucSet;???
??ucSet???=???（unsigned???char）???（???（???FC_RTSCTS???&???FC_DTRDSR???）???!=???0???）;???
??ucSet???=???（unsigned???char）???（???（???FC_RTSCTS???&???FC_RTSCTS???）???!=???0???）;???
??ucSet???=???（unsigned???char）???（???（???FC_RTSCTS???&???FC_XONXOFF???）???!=???0???）;???
??if（???!SetCommState（???m_hIDComDev???&dcb???）???||???
??!SetupComm（???m_hIDComDev???10000???10000???）???||???
??m_OverlappedRead.hEvent???==???NULL???||???
??m_OverlappedWrite.hEvent???==???NULL???）
??
		{???
			DWORD???dwError???=???GetLastError（）;???
			if（?m_OverlappedRead.hEvent???!=???NULL???）??
					CloseHandle（???m_OverlappedRead.hEvent???）;???
			if（??m_OverlappedWrite.hEvent???!=???NULL???）??
				CloseHandle（???m_OverlappedWrite.hEvent???）;??
			
				CloseHandle（???m_hIDComDev???）;???
				return?NULL;???
		}???
????
????return?m_hIDComDev;???
??}???

//*****

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

?????文件?????208970??2008-10-24?10:11??COM\Debug\SerialCom.dll

?????文件???????1401??2008-10-24?09:22??COM\Debug\SerialCom.exp

?????文件?????286352??2008-10-24?10:11??COM\Debug\SerialCom.ilk

?????文件???????3450??2008-10-24?09:22??COM\Debug\SerialCom.lib

?????文件??????26285??2008-10-24?10:11??COM\Debug\SerialCom.obj

?????文件????3569976??2008-10-23?08:43??COM\Debug\SerialCom.pch

?????文件?????648192??2008-10-24?10:11??COM\Debug\SerialCom.pdb

?????文件?????148480??2009-03-17?10:28??COM\Debug\vc60.idb

?????文件??????77824??2008-10-24?10:11??COM\Debug\vc60.pdb

?????文件??????12867??2008-10-24?10:11??COM\SerialCom.cpp

?????文件????????131??2008-10-23?16:51??COM\SerialCom.def

?????文件???????4155??2008-10-22?11:16??COM\SerialCom.dsp

?????文件????????543??2008-10-22?09:58??COM\SerialCom.dsw

?????文件???????1173??2008-10-22?11:13??COM\SerialCom.h

?????文件??????50176??2009-03-17?10:29??COM\SerialCom.ncb

?????文件??????53760??2009-03-17?10:29??COM\SerialCom.opt

?????文件????????252??2008-10-29?17:31??COM\SerialCom.plg

?????目錄??????????0??2008-10-29?17:31??COM\Debug

?????目錄??????????0??2009-03-17?10:29??COM

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

??????????????5093987????????????????????19