bwdmas.h

一个通讯管理机的源代码。比较好用。推荐

#ifndef _BWDMAS_H
#define _BWDMAS_H

#include "msystem.h"
#include "appservice.h"
#include "allmgr.h"


class CBWDMas : public CMAppService{
public:
	CBWDMas(CAllMgr* pAllMgr,CSerialPortDef* pChannel)
		: CMAppService(pAllMgr,pChannel->m_wChannelNo)
		, m_DLService(pChannel)
	{
		m_bySendOrder = 0;
		m_bySendNo = 0xff;
		m_byCID = 0;
		m_bIsAck = FALSE;
//		m_tmRectify.GetCurrentTime();
//		m_tmRectify += CTimeValSpan(0,0,-2,0);
		m_bFirst = true;
		for (WORD w=0;w<256;w++)
		{
			m_wBreakCount[w] = 1;
		}
		m_dwIntervalMS = pChannel->m_dwIntervalMS;
	}
	~CBWDMas();
	bool Init();
	bool YK(WORD wDevNo,BYTE byRoute,bool bIsOn);
//	CFrame* GetEchoFrame() {return &m_frmEcho;}
	bool GetFV(WORD wDevNo,BYTE*& pbyData,WORD& wLength,WORD wFuncCode=0) {return false;}
	bool PutFV(WORD wDevNo,BYTE* pFixVal,WORD bySize,WORD wFuncCode=0){return false;}
	void Query();
protected:
	BYTE m_bySendOrder;
	BYTE m_byCID;
	CModbusDLL m_DLService;
	BYTE		m_bySendNo;
	BYTE		m_byQueryNo;
//	CTimeVal	m_tmRectify;
	void GetData(BYTE byAddr);
	BYTE m_byFrameType;
	void ExpData(BYTE byAddr,BYTE* pbyData,BYTE bySize);
//	void SyncClock();
	bool m_bIsAck;
	BYTE m_byExchanged;
	WORD m_wBreakCount[256];
	bool m_bFirst;
private:
	DWORD	m_dwIntervalMS;
};
#endif