gpsbuf.h

该程序用MFC实现串口通信

// GpsBuf.h: interface for the CGpsBuf class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_GPSBUF_H__90074C04_C759_4FB2_961A_0CC246EBA4E7__INCLUDED_)
#define AFX_GPSBUF_H__90074C04_C759_4FB2_961A_0CC246EBA4E7__INCLUDED_

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

#define GPS_BUFFER_LENGTH 1024

class CGpsBuf  
{
public:
	CGpsBuf();
	virtual ~CGpsBuf();
public:
	int  Read(BYTE * bBuf, int &iLength);
	void Write(BYTE * Buf, int len);
	int  GetDataBufSpace(void);
	int  GetBufDataLength(void);
private:
	int iReadLength;
	BOOL IsFrameGps(void);

	BYTE ReceiveData[GPS_BUFFER_LENGTH];
	UINT ReceiveData_InPtr;
	UINT ReceiveData_OutPtr;
};

#endif // !defined(AFX_GPSBUF_H__90074C04_C759_4FB2_961A_0CC246EBA4E7__INCLUDED_)