combuff.h

gps对时

// ComBuff.h: interface for the CComBuff class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_COMBUFF_H__8EFAC182_1EE9_4957_8EE2_E653DFE00DD6__INCLUDED_)
#define AFX_COMBUFF_H__8EFAC182_1EE9_4957_8EE2_E653DFE00DD6__INCLUDED_

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

#include "constant.h"
class CComBuff : public CObject  
{
public:
//	int PackTable(unsigned char *tabBuff,int tabCount);
	short CComBuff::GetCRCLo(short Ind);
	short CComBuff::GetCRCHi(short Ind);
	bool  GetTab(COleDateTime *t);	//把数据从buff放到指定数组中
	void SaveBuff(unsigned char *sBuff,int sCount);
	char * CComBuff::CRCCheck(unsigned char *OldStr,int OldCount,unsigned char *Verify);
	CComBuff();
	virtual ~CComBuff();
    int PackTable(unsigned char* Table, int TabCount);
private:
	unsigned char buff[MaxComBuffCounts];//通信用循环缓冲区
	int  Head,Tail;  //缓冲区头尾指针
	int nSysChars;   //同步字符计数
    CCriticalSection   m_CriLock;

	int SectionID;//为逗号计数器
	CString m_sTime,m_sDate,m_sPositionY,m_sPositionX;
	bool m_bValid;//判断数据是否可信(当GPS天线能接收到有3颗GPS卫星时为A，可信)
};

#endif // !defined(AFX_COMBUFF_H__8EFAC182_1EE9_4957_8EE2_E653DFE00DD6__INCLUDED_)