/*
'COPYRIGHT: Foshan Analytical Instrument Factory, All rights reserved.
'This document, which contains confidential material is private and is
'the 'property and copyright of Foshan Analytical Instrument Factory.
'It is not to 'be used other purposes, copied, distributed or transmitted
'in any form or by 'any means without the prior written consent of the company.
'Infringement of 'copyright is a serious civil and criminal offence which can
'result in heavy 'fines and payment of substantial damages.
'================================================================
'1.模塊定義
'  模塊名稱：Serial.h
'  模塊ID：Serial
'  文件名稱：Serial.h
'  程序員：李文杰
'  日期：2003/11/01
'2.注釋
'  項目：FGA4100通訊控制系統(tǒng)
'  操作系統(tǒng)：Windows 98 or Windows 2000
'  軟件環(huán)境：Vc++ 6.0
'3.修改履歷:
*/
// Serial.h

#ifndef __SERIAL_H__
#define __SERIAL_H__

#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

class CSerial
{

public:
	CSerial();
	~CSerial();

	BOOL Open( int nPort = 2,		//通訊口
			   int nBaud = 4800,	//波特率
			   int nnn=3 );			//奇偶校驗方式

	BOOL Close( void );

	int ReadData( void *, int );
	int ReadData( void *buffer);

    int SendData( const char *buffer, int size );
	int ReadDataWaiting( void );
//	BOOL ReadDataWaiting(short int *WaitDataNum);
	int ReadDataWaiting(int *WaitDataNum);

	BOOL IsOpened( void ){ return( m_bOpened ); }

protected:
	BOOL WriteCommByte( unsigned char );

	HANDLE m_hIDComDev;
	OVERLAPPED m_OverlappedRead, m_OverlappedWrite;
	BOOL m_bOpened;

};

#endif