115 lines
2.8 KiB
C#
115 lines
2.8 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace DoAn.PLC
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{
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public enum TagType
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{
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tagTypeBool=0,
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tagTypeByte,
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tagTypeShortInt,
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tagTypeUShortInt,
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tagTypeInt,
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tagTypeUInt,
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tagTypeLong,
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tagTypeULong,
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tagTypeFloat,
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tagTypeDouble
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}
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public enum TagAccessType
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{
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Monitor=0,
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CycleRead,
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ReadWrite
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}
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public class Tag
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{
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/// <summary>
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/// 所在主机名称
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/// </summary>
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public string HostName { get; set; }
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/// <summary>
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/// 所在主机IP
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/// </summary>
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public string HostIp { get; set; }
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/// <summary>
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/// 变量名称
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/// </summary>
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public string TagName { get; set; }
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/// <summary>
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/// 变量地址
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/// </summary>
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public string TagAddress { get; set; }
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/// <summary>
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/// 变量值，以字符串形式表达
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/// </summary>
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public string TagNewValue { get; set; }
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/// <summary>
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/// 变量值，读取的上一次值
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/// </summary>
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public string TagLastValue { get; set; }
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/// <summary>
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/// 变量访问类型
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/// </summary>
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public TagAccessType AccessType { get; set; }
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/// <summary>
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/// 数据类型
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/// </summary>
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public TagType tagType { get; set; }
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/// <summary>
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/// 连续读取变量的数目
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/// </summary>
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public int tagLen { get; set; }
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public bool CompareNewValueChange()
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{
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bool compareResult = false;
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if(!string.IsNullOrEmpty(this.TagNewValue))
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{
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if (!string.IsNullOrEmpty(this.TagLastValue))
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{
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compareResult = !this.TagNewValue.Equals(this.TagLastValue);
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}
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else
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compareResult = true;
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}
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return compareResult;
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}
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/// <summary>
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/// 字节数组类型，转换为字符串输出
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/// </summary>
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/// <returns></returns>
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public string ConvertByteToString()
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{
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if (string.IsNullOrEmpty(this.TagNewValue)) return string.Empty;
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string[] buffer = this.TagNewValue.Trim(new char[2] { '[', ']' }).Split(new char[] { ',' });
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int length = int.Parse(buffer[1]);
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if (length <= 0) return string.Empty;
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byte[] buff = new byte[length];
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for (int i = 0; i < length; i++)
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{
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buff[i] = byte.Parse(buffer[i + 2]);
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}
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return Encoding.ASCII.GetString(buff);
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}
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}
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}
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