#include?“stdafx.h“???
#include?“Serial.h“???

CSerial::CSerial（）???
{???
	memset（?&m_OverlappedRead?0?sizeof（?OVERLAPPED?）?）;???
	memset（?&m_OverlappedWrite?0?sizeof（?OVERLAPPED?）?）;???
	m_hIDComDev?=?NULL;???
	m_bOpened?=?FALSE;???
}???

CSerial::~CSerial（）???
{???
	Close（）;???
}???

BOOL?CSerial::Open（?int?nPort?int?nBaud?）???
{???
????
	if（?m_bOpened?）?return（?TRUE?）;???
????
	char?szPort[15];???
	char?szComParams[50];???
	DCB?dcb;???
????
	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（?FALSE?）;???
????
	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（?FALSE?）;???
	}???
????
	m_bOpened?=?TRUE;???
????
	return（?m_bOpened?）;???
}???

BOOL?CSerial::Close（?void?）???
{???
	if（?!m_bOpened?||?m_hIDComDev?==?NULL?）???
		return（?TRUE?）;???
????
	if（?m_OverlappedRead.hEvent?!=?NULL?）???
		CloseHandle（?m_OverlappedRead.hEvent?）;???
????
	if（?m_OverlappedWrite.hEvent?!=?NULL?）???
		CloseHandle（?m_OverlappedWrite.hEvent?）;???
????
	CloseHandle（?m_hIDComDev?）;???
	m_bOpened?=?FALSE;???
	m_hIDComDev?=?NULL;???
????
	return（?TRUE?）;???
}???

BOOL?CSerial::WriteCommByte（?unsigned?char?ucByte?）???
{???
	BOOL?bWriteStat;???
	DWORD?dwBytesWritten;???
????
	bWriteStat?=?WriteFile（?m_hIDComDev???
		（LPSTR）&ucByte???
		1???
		&dwBytesWritten???
		&m_OverlappedWrite?）;???
????
	if（?!bWriteS

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

?????文件????????974??2011-05-12?16:50??Serial.h

?????文件???????4823??2011-05-12?16:16??Serial.cpp

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

?????????????????5797????????????????????2