#pragma once

#include "Command.h"
#include <vector>

/*typedef union
{
	float fValue;
	unsigned char data[4];
}FLOATDATA;*/

class Modbus:public Command
{
public:
	Modbus(unsigned char addr);
	virtual ~Modbus(void);
	virtual int GetRequestSequence(unsigned char* bseq){return 0;}
	virtual bool Verity(unsigned char* rseq,int dlength){return false;}
	
public:
	unsigned char m_addr;
protected:
	unsigned char m_funcCode;
	unsigned char m_crcLo;
	unsigned char m_crcHi;
};

class ReadModbus:public Modbus
{
public:
	ReadModbus(unsigned char addr,unsigned short startReg,unsigned short regCount);
	virtual ~ReadModbus();
	int GetRequestSequence(unsigned char* bseq);
	bool Verify(unsigned char* rseq,int dlength);
	int ConstReturnSize() {
		return 5 + m_regCount * 2;
	}
protected:
	unsigned short m_startReg;
	unsigned short m_regCount;


};

class WriteModbus:public Modbus
{
public:
	WriteModbus(unsigned char addr,unsigned short startReg);
	virtual ~WriteModbus();
	int GetRequestSequence(unsigned char* bseq);
	bool Verify(unsigned char* rseq,int dlength);
	void AddShort(short value);
	void AddInt(int value);
	void AddFloat(float value);

protected:
	unsigned short m_startReg;
	unsigned short m_regCount;
	unsigned char m_byteCount;
	std::vector<unsigned char> m_valueBytes;
};

class ReadCoilModbus :public Modbus
{
public:
	ReadCoilModbus(unsigned char addr, unsigned short startReg, unsigned short regCount);
	~ReadCoilModbus();
	int GetRequestSequence(unsigned char* bseq);
	bool Verify(unsigned char* rseq, int dlength);
	int ConstReturnSize() {
		return 5 + m_regCount * 2;
	}
protected:
	unsigned short m_startReg;
	unsigned short m_regCount;


};