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Original file line number Diff line number Diff line change
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package org.jetlinks.community.things.helper.modbus;

import io.netty.buffer.ByteBuf;
import lombok.AllArgsConstructor;
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.Setter;

/**
* 简单的 Modbus 帧抽象, 用于在 ByteBuf 与寄存器读写请求之间做承载。
* <p>
* 这里仅关注逻辑字段, 不关心底层是 RTU 还是 TCP, 也不处理 CRC 等链路相关细节。
*/
@Getter
@Setter
@AllArgsConstructor
@NoArgsConstructor
public class ModbusFrame {

/**
* 从站ID
*/
private int slaveId;

/**
* 功能码
*/
private int functionCode;

/**
* 起始寄存器地址
*/
private int address;

/**
* 寄存器数据区。
* <p>
* 对于读响应, 表示读取到的寄存器原始字节;
* 对于写请求, 表示要写入的寄存器原始字节.
*/
private ByteBuf values;

}

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