297 lines
8.2 KiB
C#
297 lines
8.2 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Runtime.InteropServices;
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using System.Text;
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using System.Threading.Tasks;
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namespace MECF.Framework.RT.Core.IoProviders.Mitsubishis
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{
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public class MelsecMCBin
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{
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public MelsecMCBin()
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{
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m_nNetNo = 0x00;//本站
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m_nPLCNo = 0xFF;
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m_nIONo = 0xFF03;
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m_nStationNo = 0x00;
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m_nTimeOut = 0x1000;
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m_bytelist = new List<byte>();
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m_nDataLen = 12;//不包括软元件数据
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}
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/// <summary>
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/// 检查起始地址和读取长度
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/// </summary>
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/// <returns></returns>
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private bool check()
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{
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if (m_nElementDataLen < 0 || m_nElementDataLen > m_melsecElement.m_nLen)
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{
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return false;
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}
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if (m_nElementStartAddr < m_melsecElement.m_nStartAddr || m_nElementStartAddr > m_melsecElement.m_nEndAddr)
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{
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return false;
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}
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return true;
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}
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/*************读协议内容******************************
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* 副标题(2)50 00|网络编号(1)00|PLC编号(1)FF
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* IO编号(2)FF 03|站编号(1)00|请求数据长度(2)_12
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* 应答超时(2)1000|命令(2)_|子命令(2)_|起始地址(3)_
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* 请求软元件代码(1)|请求点数长度(2)
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* ***************************************************/
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/// <summary>
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/// 构建读取字节
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/// </summary>
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public byte[] getReadBytes()
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{
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m_bytelist.Clear();
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if (check())
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{
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m_enumSubTitle = EnumsubTitle.Request;
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m_bytelist.AddRange(StringHelper.ConverterToBytes(m_enumSubTitle, 2));
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m_bytelist.AddRange(StringHelper.ConverterToBytes(m_nNetNo, 1));
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m_bytelist.AddRange(StringHelper.ConverterToBytes(m_nPLCNo, 1));
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m_bytelist.AddRange(StringHelper.ConverterToBytes(m_nIONo, 2));
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m_bytelist.AddRange(StringHelper.ConverterToBytes(m_nStationNo, 1));
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m_bytelist.AddRange(StringHelper.ConverterToBytes(m_nDataLen, 2, false));
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m_bytelist.AddRange(StringHelper.ConverterToBytes(m_nTimeOut, 2));
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m_bytelist.AddRange(StringHelper.ConverterToBytes(m_enumCmd, 2, false));
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m_bytelist.AddRange(StringHelper.ConverterToBytes(m_enumSubCmd, 2, false));
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m_bytelist.AddRange(StringHelper.ConverterToBytes(m_nElementStartAddr, 3, false));
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m_bytelist.AddRange(StringHelper.ConverterToBytes(m_melsecElement.m_nBinCode, 1));
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m_bytelist.AddRange(StringHelper.ConverterToBytes(m_nElementDataLen, 2, false));
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}
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return m_bytelist.ToArray();
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}
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/****************写协议内容**********************************
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* 副标题(2)50 00|网络编号(1)00|PLC编号(1)FF
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* IO编号(2)FF 03|站编号(1)00|请求数据长度(2)_12+写入数据长度
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* 应答超时(2)1000|命令(2)_|子命令(2)_|起始地址(3)_
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* 请求软元件代码(1)|请求点数长度(2)|写入数据(分按位和按字)
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* ***********************************************************/
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/// <summary>
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/// 构建写字节
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/// </summary>
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/// <param name="nLen">写入数据长度</param>
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public byte[] getWriteBytes(int nLen)
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{
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m_bytelist.Clear();
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if (check())
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{
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m_enumSubTitle = EnumsubTitle.Request;
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m_bytelist.AddRange(StringHelper.ConverterToBytes(m_enumSubTitle, 2));
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m_bytelist.AddRange(StringHelper.ConverterToBytes(m_nNetNo, 1));
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m_bytelist.AddRange(StringHelper.ConverterToBytes(m_nPLCNo, 1));
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m_bytelist.AddRange(StringHelper.ConverterToBytes(m_nIONo, 2));
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m_bytelist.AddRange(StringHelper.ConverterToBytes(m_nStationNo, 1));
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m_nDataLen += nLen;
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m_bytelist.AddRange(StringHelper.ConverterToBytes(m_nDataLen, 2, false));
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m_bytelist.AddRange(StringHelper.ConverterToBytes(m_nTimeOut, 2));
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m_bytelist.AddRange(StringHelper.ConverterToBytes(m_enumCmd, 2, false));
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m_bytelist.AddRange(StringHelper.ConverterToBytes(m_enumSubCmd, 2, false));
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m_bytelist.AddRange(StringHelper.ConverterToBytes(m_nElementStartAddr, 3, false));
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m_bytelist.AddRange(StringHelper.ConverterToBytes(m_melsecElement.m_nBinCode, 1));
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m_bytelist.AddRange(StringHelper.ConverterToBytes(m_nElementDataLen, 2, false));
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m_bytelist.AddRange(StringHelper.ConverterToBytes(m_nElementData, nLen));
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}
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return m_bytelist.ToArray();
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}
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//MelsecMCBinSend: 500000FFFF03000E001000011400000000009D0100000F 按字写
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//MelsecMCBinRece: D00000FFFF030002000000
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/****************读应答正常协议内容**********************************
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* 副标题(2)D0 00|网络编号(1)00|PLC编号(1)FF
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* IO编号(2)FF 03|站编号(1)00|应答数据长度(2)_
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* 结束代码(2)00 00|应答数据部分
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* ***********************************************************/
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public byte[] getReadRespond(byte[] byteRespond)
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{
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if (byteRespond.Length > 11)
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{
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int nLen = StringHelper.ConverterToInt(byteRespond[7], byteRespond[8]) - 2;
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if (nLen == byteRespond.Length - 11)
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{
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for (int n = 0; n < nLen; n++)
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{
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byteRespond[n] = byteRespond[byteRespond.Length - n - 1];
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}
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Array.Resize(ref byteRespond, nLen);
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}
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return byteRespond;
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}
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return null;
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}
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/****************写应答正常协议内容**********************************
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* 副标题(2)D0 00|网络编号(1)00|PLC编号(1)FF
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* IO编号(2)FF 03|站编号(1)00|应答数据长度(2)02 00
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* 结束代码(2)00 00
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* D0 00 |00 |FF |FF 03| 00| 02 00 |00 00
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* ***********************************************************/
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public bool getWriteRespond(byte[] byteRespond)
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{
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string strRespond = StringHelper.GetHexString(byteRespond, byteRespond.Length);
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string strTemp = "D00000FFFF030002000000";
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return string.Equals(strTemp, strRespond);
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}
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/****************应答异常协议内容**********************************
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* 副标题(2)D0 00|网络编号(1)00|PLC编号(1)FF
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* IO编号(2)FF 03|站编号(1)00|应答数据长度(2) 0B 00
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* 结束代码(2)51 C0
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*
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* 网络编号(1)00|PLC编号(1)FF
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* IO编号(2)FF 03|站编号(1)00|命令(2)|子命令(2)
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* ***********************************************************/
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public int getRespondCode(byte[] byteRespond)
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{
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if (byteRespond.Length > 10)
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{
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return StringHelper.ConverterToInt(byteRespond[9], byteRespond[10]);
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}
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return -1;
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}
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/*副标题*/
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public EnumsubTitle m_enumSubTitle { get; set; }
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/*网络编号*/
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public int m_nNetNo { get; set; }
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/*PLC编号*/
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public int m_nPLCNo { get; set; }
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/*IO编号*/
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public int m_nIONo { get; set; }
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/*站编号*/
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public int m_nStationNo { get; set; }
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/*数据长度*/
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public int m_nDataLen { get; set; }
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/*CPU监视定时器，命令输出到接收应答文件时间*/
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public int m_nTimeOut { get; set; }
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/*命令*/
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public EnumCmd m_enumCmd { get; set; }
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/*子命令*/
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public EnumSubCmd m_enumSubCmd { get; set; }
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/*软元件*/
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public MelsecElement m_melsecElement { get; set; }
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/*起始软元件地址*/
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public int m_nElementStartAddr { get; set; }
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/*软元件数据长度*/
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public int m_nElementDataLen { get; set; }
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/*软元件数据*/
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public int m_nElementData { get; set; }
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/*结束代码*/
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public EnumEndCode m_nEndCode { get; set; }
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/*临时存放字节数组*/
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private List<byte> m_bytelist;
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public enum EnumsubTitle
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{
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Request = 0x5000,//请求
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Respond = 0xD000,//应答
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}
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public enum EnumEndCode
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{
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Ok = 0x0000,//正常应答
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Err = 0x51C0,//异常应答
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}
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public enum EnumCmd
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{
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ReadBatch = 0x0401,//成批读
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WriteBatch = 0x1401,//成批写
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}
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/// <summary>
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/// 返回byte数组
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/// </summary>
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public enum EnumSubCmd
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{
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/*有存储扩展模块b7=0，b6=0：随机读出,监视数据注册用外*/
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Bit = 0x0001,//按位读写
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Word = 0x0000,//按字读写
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/*有存储扩展模块b7=1，b6=0：随机读出,监视数据注册用外*/
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BitEx = 0x0081,//按位读写
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WordEx = 0x0080,//按字读写
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}
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}
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public static class StringHelper
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{
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public static byte[] ConverterToBytes(object value, int length,bool reverse=true)
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{
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byte[] src = new byte[length];
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for (int i = 0; i < length; i++)
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{
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src[i] = (byte)(((byte)value >> (i*8)) & 0xFF);
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}
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return src;
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}
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public static int ConverterToInt(byte value1, byte value2)
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{
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int result = value1 << 8 + value2;
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return result;
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}
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public static string GetHexString(byte[] byteRespond, int length)
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{
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StringBuilder result = new StringBuilder();
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foreach (byte bytes in byteRespond)
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{
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result.AppendFormat("{0:x2}", bytes);
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}
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return result.ToString();
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}
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}
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}
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