Measure/Modules/ClampSafety/plc/snap7_buf.h

#ifndef NNXX_TESTS_SNAP7_BUF_H
#define NNXX_TESTS_SNAP7_BUF_H

#include <string>
#include <map>
#include <vector>
#include <iostream>

//Snap7协议的数据结构
class Snap7_buf {
public:
    //通信模式
    enum Communication_mode {
        NO_COMMUNICATION = 0,    //不通信
        ONCE_COMMUNICATION = 1,    //一次通信
        LOOP_COMMUNICATION = 2,    //循环通信
    };

    //变量信息
    struct Variable_information {
        std::string m_variable_name;        //变量名称
        std::string m_variable_type;        //变量类型, 使用 typeid(a).name() 获取
        int m_variable_index;        //变量下标, 偏移量
        int m_variable_size;        //变量类型大小
        int m_variable_count;        //变量个数
    };
public:
    Snap7_buf();

    Snap7_buf(const Snap7_buf &other);

    Snap7_buf &operator=(const Snap7_buf &other);

    ~Snap7_buf();

public://API functions
    Snap7_buf(int id, int start_index, int size,
              std::vector<Snap7_buf::Variable_information> &variable_information_vector,
              Communication_mode communication_mode = NO_COMMUNICATION);

    Snap7_buf(int id, int start_index, int size, void *p_buf_obverse, void *p_buf_reverse,
              std::vector<Snap7_buf::Variable_information> &variable_information_vector,
              Communication_mode communication_mode = NO_COMMUNICATION);

    void init(int id, int start_index, int size,
              std::vector<Snap7_buf::Variable_information> &variable_information_vector,
              Communication_mode communication_mode = NO_COMMUNICATION);

    void init(int id, int start_index, int size, void *p_buf_obverse, void *p_buf_reverse,
              std::vector<Snap7_buf::Variable_information> &variable_information_vector,
              Communication_mode communication_mode = NO_COMMUNICATION);


    //正序数据 转为 倒序数据
    void obverse_to_reverse();

    //倒序数据 转为 正序数据
    void reverse_to_obverse();

public://get or set member variable
    int get_id();

    int get_start_index();

    int get_size();

    void *get_buf_obverse();

    void *get_buf_reverse();

    Communication_mode get_communication_mode();

    void set_communication_mode(Communication_mode communication_mode);

protected://member functions

public://member variable

    int m_id;                    //Snap7协议的数据块的编号
    int m_start_index;            //Snap7协议的数据起始位下标
    int m_size;                    //Snap7协议的数据字节大小
    void *mp_buf_obverse;            //Snap7协议的正序数据指针, 和数据结构体进行强转, 内存由本类管理
    void *mp_buf_reverse;            //Snap7协议的倒序数据指针, 用作s7通信, 内存由本类管理
    //注:s7的通信的数据必须要倒序之后才能进行通信,

//	std::map<std::string, Variable_information>			m_variable_information_map;
    std::vector<Variable_information> m_variable_information_vector;

    Communication_mode m_communication_mode;    //Snap7协议的通信模式
    //注:s7协议传输很慢, 防止相同的数据重复发送...


private:

};


#endif //NNXX_TESTS_SNAP7_BUF_H