78 lines
1.6 KiB
C++
78 lines
1.6 KiB
C++
#pragma once
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#include "Command.h"
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#include <vector>
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/*typedef union
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{
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float fValue;
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unsigned char data[4];
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}FLOATDATA;*/
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class Modbus:public Command
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{
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public:
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Modbus(unsigned char addr);
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virtual ~Modbus(void);
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virtual int GetRequestSequence(unsigned char* bseq){return 0;}
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virtual bool Verity(unsigned char* rseq,int dlength){return false;}
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public:
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unsigned char m_addr;
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protected:
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unsigned char m_funcCode;
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unsigned char m_crcLo;
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unsigned char m_crcHi;
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};
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class ReadModbus:public Modbus
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{
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public:
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ReadModbus(unsigned char addr,unsigned short startReg,unsigned short regCount);
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virtual ~ReadModbus();
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int GetRequestSequence(unsigned char* bseq);
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bool Verify(unsigned char* rseq,int dlength);
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int ConstReturnSize() {
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return 5 + m_regCount * 2;
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}
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protected:
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unsigned short m_startReg;
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unsigned short m_regCount;
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};
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class WriteModbus:public Modbus
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{
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public:
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WriteModbus(unsigned char addr,unsigned short startReg);
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virtual ~WriteModbus();
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int GetRequestSequence(unsigned char* bseq);
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bool Verify(unsigned char* rseq,int dlength);
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void AddShort(short value);
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void AddInt(int value);
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void AddFloat(float value);
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protected:
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unsigned short m_startReg;
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unsigned short m_regCount;
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unsigned char m_byteCount;
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std::vector<unsigned char> m_valueBytes;
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};
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class ReadCoilModbus :public Modbus
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{
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public:
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ReadCoilModbus(unsigned char addr, unsigned short startReg, unsigned short regCount);
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~ReadCoilModbus();
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int GetRequestSequence(unsigned char* bseq);
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bool Verify(unsigned char* rseq, int dlength);
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int ConstReturnSize() {
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return 5 + m_regCount * 2;
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}
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protected:
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unsigned short m_startReg;
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unsigned short m_regCount;
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}; |