#if !defined(AFX_SCANNER_H__98052617_4EA4_11D7_A89C_005004C029CA__INCLUDED_)
#define AFX_SCANNER_H__98052617_4EA4_11D7_A89C_005004C029CA__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include <afx.h>

// If you will never build this for use in a DLL, you can comment out
// this #if block.
#ifdef	BUILD_COMMDLL
#define		COMMDLL_DLLCLASS	__declspec(dllexport)
#else
#define		COMMDLL_DLLCLASS	__declspec(dllimport)
#endif


#define MAX_COMM_PORT	16
#define MAX_PARITY		5
#define MAX_STOPBITS	3

const CString g_csCOMM[]=
{	
	"COM1",
	"COM2",
	"COM3",
	"COM4",
	"COM5",
	"COM6",
	"COM7",
	"COM8",
	"COM9",
	"COM10",
	"COM11",
	"COM12",
	"COM13",
	"COM14",
	"COM15",
	"COM16",
};

const CString g_csPARITY[] =
{
	"None",
	"Odd",
	"Even",
	"Mark",
	"Space",
};

const double g_dSTOPBITS[]=
{
	1,
	1.5,
	2,
};

#define COM1   1
#define COM2   2
#define COM3   3
#define COM4   4
#define COM5   5
#define COM6   6
#define COM7   7
#define COM8   8

/* Parity Codes */
#define NOPARITY 0
#define ODDPARITY  1
#define EVENPARITY 2
#define MARKPARITY 3
#define SPACEPARITY 4

/* Stop Bit Codes */
#define ONESTOPBIT   0
#define ONE5STOPBITS 1
#define TWOSTOPBITS  2

/* Word Length Codes */
#define WORDLENGTH7  7
#define WORDLENGTH8  8

class CSerialPort;

class COMMDLL_DLLCLASS CScanner
{
public:
	CScanner();
	virtual ~CScanner();

// Operations
public:
	bool Send(CString csMsg);
	void ResetReceiveBuffer();
	bool SetStopBits(int nStopBits=0);
	bool SetParity(int nParity=2);
	bool SetByteSize(int nByteSize=8);
	bool SetBaudRate(long lBaudRate=9600);

	CSerialPort * GetCommObject(void);

	BOOL ClearComm(void);
	virtual void ReceiveComm(const char *cpcBuffer, int nSize);

	bool Send(char *s);
	void Disconnect();
	bool Connect(int nCommPort = COM1, long lBaudRate=9600, int nByteSize=8, int nStopBits = 0, int nParity = 2);
	bool Connect(CString csCommPort = "COM1", long lBaudRate=9600, int nByteSize=8, double dStopBits = 1.0, CString csParity = "None");

    int GetCommPort() const					{ return m_nCommPort;  }
    long  GetBaudRate() /*const*/				{ return m_lBaudRate;  }
    int GetByteSize() const					{ return m_nByteSize;  }
    int GetParity() const					{ return m_nParity;    }
    int GetStopBits() const					{ return m_nStopBits;  }

 	bool IsConnected() const                { return m_bConnected;} 


	bool	m_bTraceData;

protected:
	CString GetReceiveData();
	//char m_cData[4096];
	char m_cReceiveData[4096];
	char m_cMaintReceiveData[4096];

	//static BOOL		m_bDataComplete;
	//static int		m_nBufferPtr;
	BOOL		m_bDataComplete;
	int		m_nBufferPtr;

// Attributes
private:

	CSerialPort	*m_pComm;

	int m_nCommPort;
	long m_lBaudRate;
	int	m_nByteSize;	
	int m_nParity;
	int m_nStopBits;

	bool m_bConnected;

	static DWORD WINAPI CommThread(void *pvData);
};

#endif // !defined(AFX_SCANNER_H__98052617_4EA4_11D7_A89C_005004C029CA__INCLUDED_)