repos_ecs/Device/ICPDAS(单个变量请求版本)/CommAsyn.h

// CommAsyn.h: interface for the CCommAsyn class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_COMMASYN_H__8351010D_0DD3_4F8C_8F3B_959BA59019E7__INCLUDED_)
#define AFX_COMMASYN_H__8351010D_0DD3_4F8C_8F3B_959BA59019E7__INCLUDED_

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

#define	STATUS_NORMAL			0
#define	STATUS_FAULT			1
#define	STATUS_NOUSE			2
#define	STATUS_TYPEERROR		3

#define COMM_CORRECT			0
#define COMM_ERROR				1

#define MAX_DATA_NUM128    128
#define	MAX_YXNO			2048
#define	MAX_YCNO			2048

class CProtocol;

class CCommAsyn  
{
public:
	CProtocol* m_pProtocol;
	virtual int Write(BYTE * pBuf, int len) =0;
	virtual int Read(BYTE * pBuf, int len) =0;

	virtual int WriteCommand(char DataBuffer[80], int nDataLen);

	virtual int WorkMain(
						 int nAddr,				//设备地址
						 BYTE Start,			//起始位
						 BYTE StartAddr[2],		//起始地址
						 int nRegNum,			//读取的寄存器个数
						 BYTE FuncCode[2], 
						 int nDataLen,
						 BYTE byWithAddrFlag,
						 char chMsg[80]);

	virtual BOOL InitParam(PPORTPARAM pPortParam);
	virtual BOOL CloseComm();
	CCommAsyn();
	virtual ~CCommAsyn();
};

#endif // !defined(AFX_COMMASYN_H__8351010D_0DD3_4F8C_8F3B_959BA59019E7__INCLUDED_)