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目前它只是一个物联网通信的工具，包含 1、西门子S7通信协议，支持西门子S1500，S1200，S400，S300，S200Smart，西门子机床828D; 2、Modbus通信协议，支持ModbusTcp, ModbusRtuOverTcp, ModbusAsciiOverTcp, ModbusTcpServer; 3、三菱Melsec（MC）通信协议，支持PLC iQ-R系列, Q/L系列, QnA系列, A系列, 目前只测试了L系列和FX5U; 4、RTSP, RTCP, RTP, H264, MP4 (FMP4)协议，RTSP + H264 + FMP4 + WebSocket + MSE + WEB; 5、基础字节数组解析转换工具;

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/*
 * MIT License
 *
 * Copyright (c) 2021-2099 Oscura (xingshuang) 
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package com.github.xingshuangs.iot.protocol.s7.model;


import com.github.xingshuangs.iot.common.IObjectByteArray;
import com.github.xingshuangs.iot.protocol.s7.enums.ESyntaxID;
import lombok.Data;

/**
 * Request base item.
 * 请求基础项
 *
 * @author xingshuang
 */
@Data
public class RequestBaseItem implements IObjectByteArray {

    /**
     * Specification type.
     * 变量规范，对于读/写消息，它总是具有值0x12 

     * 字节大小：1 

     * 字节序数：0
     */
    protected byte specificationType = (byte) 0x12;

    /**
     * Length of following.
     * 其余部分的长度规范 

     * 字节大小：1 

     * 字节序数：1
     */
    protected int lengthOfFollowing = 0x0A;

    /**
     * The format of the addressing mode and the rest of the item structure.
     * 寻址模式和项结构其余部分的格式，它具有任意类型寻址的常量值0x10 

     * 字节大小：1 

     * 字节序数：2
     */
    protected ESyntaxID syntaxId = ESyntaxID.S7ANY;

    @Override
    public int byteArrayLength() {
        return 0;
    }

    @Override
    public byte[] toByteArray() {
        return new byte[0];
    }
}