s7ppiprotocol.h

串口与OPC通信

#if !defined(AFX_S7PPIPROTOCOL_H__65BD3544_6A64_4427_B3F7_D22DDC5D96A3__INCLUDED_)
#define AFX_S7PPIPROTOCOL_H__65BD3544_6A64_4427_B3F7_D22DDC5D96A3__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
#include "Serial.h"
// S7PPIprotocol.h : header file
//

/////////////////////////////////////////////////////////////////////////////
// CS7PPIprotocol window

class CS7PPIprotocol
{

public:
	BOOL CloseComport(int comid);
	BOOL OpenComport(int comid);
	CS7PPIprotocol();
	
	int WriteM(int plc,int m1,int m2,BYTE value);	
	int WriteVD(int plc,int vdaddr,BYTE* data);
	int WriteVW(int plc,int vwaddr,BYTE* data);
	int WriteVB(int plc,int vbaddr,BYTE data);
    int WritetoPLC(int plc,int addr,float value);
	void gp_to_float(BYTE *datasource,float *datadestination,int datacount);

	int ReadM(int plc,int rm1,int rm2,BYTE* buffer);
	int ReadVD(int plc,int vdaddr, int count, BYTE *buffer);
	int ReadVW(int plc,int vwaddr,int count,BYTE* buffer);
	int ReadVB(int plc,int vbaddr,int count,BYTE* buffer);
	int ReadfromPLC(int plc,int vdaddr,int count,float* buffer);
	virtual ~CS7PPIprotocol();


private:
	CSerial m_SerialPort;
	void Decodeprotocol(BYTE*  debuffer,BYTE* sbuffer,int  count);
};

/////////////////////////////////////////////////////////////////////////////

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_S7PPIPROTOCOL_H__65BD3544_6A64_4427_B3F7_D22DDC5D96A3__INCLUDED_)