S7PLCHelper.cs
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using Hh.Mes.POJO.BllModel;
using HslCommunication.Core;
using Sharp7;
using System;
using System.Text;
namespace HHECS.Model.PLCHelper.PLCComponent.Sharp7Component
{
/// <summary>
/// 封装S7实现类，一个PLC对应一个
/// </summary>
public class S7PLCHelper
{
public string PLCIP { get; set; }
public string PLCType { get; set; }
public int Rack { get; set; }
public int Slot { get; set; }
public S7Client S7Client { get; set; }
/// <summary>
/// 转换类
/// </summary>
private static ReverseBytesTransform reverseBytesTransform = new ReverseBytesTransform();
/// <summary>
/// 解析地址
/// 地址格式：DB100W10,DB120X20.1,DB300CHAR20,29
/// </summary>
/// <param name="address"></param>
/// <returns></returns>
public static BllResult<S7DataEntity> AddressAnalyze(string address)
{
S7DataEntity entity = new S7DataEntity();
try
{
if (address[0] == 'I')
{
entity.Area = S7Consts.S7AreaPE;
return BllResultFactory<S7DataEntity>.Error("暂时不支持I区访问");
}
else if (address[0] == 'Q')
{
entity.Area = S7Consts.S7AreaPA;
return BllResultFactory<S7DataEntity>.Error("暂时不支持Q区访问");
}
else if (address[0] == 'M')
{
entity.Area = S7Consts.S7AreaMK;
entity.DataNumber = 0;
entity.DataAmount = 1;
string temp = address.Substring(1);
if (temp.StartsWith("DINT"))
{
temp = temp.Substring(4);
entity.DataOffset = Convert.ToInt32(temp);
entity.DataType = S7Consts.S7WLDInt;
}
else if (temp.StartsWith("INT"))
{
temp = temp.Substring(3);
entity.DataOffset = Convert.ToInt32(temp);
entity.DataType = S7Consts.S7WLInt;
}
else if (temp.StartsWith("D"))
{
temp = temp.Substring(1);
entity.DataOffset = Convert.ToInt32(temp);
entity.DataType = S7Consts.S7WLDWord;
}
else if (temp.StartsWith("W"))
{
temp = temp.Substring(1);
entity.DataOffset = Convert.ToInt32(temp);
entity.DataType = S7Consts.S7WLWord;
}
else if (temp.StartsWith("X"))
{
temp = temp.Substring(1);
var adss = temp.Split('.');
entity.DataOffset = Convert.ToInt32(adss[0]) * 8 + Convert.ToInt32(adss[1]);
entity.DataType = S7Consts.S7WLBit;
}
else if (temp.StartsWith("CHAR"))
{
temp = temp.Substring(4);
var adss = temp.Split(',');
entity.DataOffset = Convert.ToInt32(adss[0]);
entity.DataAmount = Convert.ToInt32(adss[1]);
entity.DataType = S7Consts.S7WLChar;
}
else
{
return BllResultFactory<S7DataEntity>.Error("解析错误，无效数据类型");
}
return BllResultFactory<S7DataEntity>.Success(entity);
}
else if (address[0] == 'D' || address.Substring(0, 2) == "DB")
{
entity.Area = S7Consts.S7AreaDB;
if (address[1] == 'B')
{
string temp = address.Substring(2);
if (temp.Contains("W"))
{
var ads = temp.Split('W');
entity.DataNumber = Convert.ToInt32(ads[0]);
entity.DataOffset = Convert.ToInt32(ads[1]);
entity.DataAmount = 1;
entity.DataType = S7Consts.S7WLWord;
}
else if (temp.Contains("DINT"))
{
var ads = temp.Split(new char[] { 'D', 'I', 'N', 'T' }, StringSplitOptions.RemoveEmptyEntries);
entity.DataNumber = Convert.ToInt32(ads[0]);
entity.DataOffset = Convert.ToInt32(ads[1]);
entity.DataAmount = Convert.ToInt32(1);
entity.DataType = S7Consts.S7WLDInt;
}
else if (temp.Contains("INT"))
{
var ads = temp.Split(new char[] { 'I', 'N', 'T' }, StringSplitOptions.RemoveEmptyEntries);
entity.DataNumber = Convert.ToInt32(ads[0]);
entity.DataOffset = Convert.ToInt32(ads[1]);
entity.DataAmount = Convert.ToInt32(1);
entity.DataType = S7Consts.S7WLInt;
}
else if (temp.Contains("D"))
{
var ads = temp.Split('D');
entity.DataNumber = Convert.ToInt32(ads[0]);
entity.DataOffset = Convert.ToInt32(ads[1]);
entity.DataAmount = 1;
entity.DataType = S7Consts.S7WLDWord;
}
else if (temp.Contains("B"))
{
var ads = temp.Split('B');
entity.DataNumber = Convert.ToInt32(ads[0]);
entity.DataOffset = Convert.ToInt32(ads[1]);
entity.DataAmount = 1;
entity.DataType = S7Consts.S7WLByte;
}
else if (temp.Contains("X"))
{
var ads = temp.Split('X');
entity.DataNumber = Convert.ToInt32(ads[0]);
var adss = ads[1].Split('.');
entity.DataOffset = Convert.ToInt32(adss[0]) * 8 + Convert.ToInt32(adss[1]) + 1;
entity.DataAmount = 1;
entity.DataType = S7Consts.S7WLBit;
}
else if (temp.Contains("CHAR"))
{
var ads = temp.Split(new char[] { 'C', 'H', 'A', 'R' }, StringSplitOptions.RemoveEmptyEntries);
entity.DataNumber = Convert.ToInt32(ads[0]);
var adss = ads[1].Split(',');
entity.DataOffset = Convert.ToInt32(adss[0]);
entity.DataAmount = Convert.ToInt32(adss[1]);
entity.DataType = S7Consts.S7WLChar;
}
else
{
return BllResultFactory<S7DataEntity>.Error("解析错误，无效数据类型");
}
}
else
{
return BllResultFactory<S7DataEntity>.Error("暂时只支持DB块访问");
}
return BllResultFactory<S7DataEntity>.Success(entity);
}
else if (address[0] == 'T')
{
entity.Area = S7Consts.S7AreaTM;
return BllResultFactory<S7DataEntity>.Error("暂时不支持T区访问");
}
else if (address[0] == 'C')
{
entity.Area = S7Consts.S7AreaCT;
return BllResultFactory<S7DataEntity>.Error("暂时不支持C区访问");
}
else if (address[0] == 'V')
{
entity.Area = S7Consts.S7AreaDB;
return BllResultFactory<S7DataEntity>.Error("暂时不支持V区访问");
//result.Content1 = 0x84;
//result.Content3 = 1;
//result.Content2 = CalculateAddressStarted(address.Substring(1));
}
else
{
return BllResultFactory<S7DataEntity>.Error("未知的地址开头");
}
}
catch (Exception ex)
{
return BllResultFactory<S7DataEntity>.Error(ex.Message);
}
}
/// <summary>
/// 数据转换，byte[]到string
/// </summary>
/// <param name="dataType"></param>
/// <param name="buffer"></param>
/// <returns></returns>
public static BllResult<string> TransferBufferToString(PLCDataType dataType, byte[] buffer)
{
try
{
switch (dataType)
{
case PLCDataType.BYTE:
//字节转成int处理
return BllResultFactory<string>.Success(reverseBytesTransform.TransByte(buffer, 0).ToString(), null);
case PLCDataType.BOOL:
return BllResultFactory<string>.Success(reverseBytesTransform.TransBool(buffer, 0).ToString(), null);
case PLCDataType.DWORD:
return BllResultFactory<string>.Success(reverseBytesTransform.TransUInt32(buffer, 0).ToString(), null);
case PLCDataType.WORD:
return BllResultFactory<string>.Success(reverseBytesTransform.TransUInt16(buffer, 0).ToString(), null);
case PLCDataType.INT:
return BllResultFactory<string>.Success(reverseBytesTransform.TransInt16(buffer, 0).ToString(), null);
case PLCDataType.DINT:
return BllResultFactory<string>.Success(reverseBytesTransform.TransInt32(buffer, 0).ToString(), null);
case PLCDataType.CHAR:
return BllResultFactory<string>.Success(reverseBytesTransform.TransString(buffer, 0, buffer.Length, Encoding.ASCII).Substring(0, 20).Replace("\0", "").Trim(), null);
default:
return BllResultFactory<string>.Error("未识别");
}
}
catch (Exception ex)
{
return BllResultFactory<string>.Error($"转换出错：{ex.Message}");
}
}
/// <summary>
/// 数据转换，string到byte[]
/// </summary>
/// <param name="dataType"></param>
/// <param name="value"></param>
/// <returns></returns>
public static BllResult<byte[]> TransferStringToBuffer(PLCDataType dataType, string value)
{
try
{
switch (dataType)
{
case PLCDataType.BYTE:
return BllResultFactory<byte[]>.Success(reverseBytesTransform.TransByte(Convert.ToByte(value)));
case PLCDataType.BOOL:
return BllResultFactory<byte[]>.Success(reverseBytesTransform.TransByte(Convert.ToBoolean(value)));
case PLCDataType.DWORD:
return BllResultFactory<byte[]>.Success(reverseBytesTransform.TransByte(Convert.ToUInt32(value)));
case PLCDataType.WORD:
return BllResultFactory<byte[]>.Success(reverseBytesTransform.TransByte(Convert.ToUInt16(value)));
case PLCDataType.INT:
return BllResultFactory<byte[]>.Success(reverseBytesTransform.TransByte(Convert.ToInt16(value)));
case PLCDataType.DINT:
return BllResultFactory<byte[]>.Success(reverseBytesTransform.TransByte(Convert.ToInt32(value)));
case PLCDataType.CHAR:
return BllResultFactory<byte[]>.Success(reverseBytesTransform.TransByte(value, Encoding.ASCII));
default:
return BllResultFactory<byte[]>.Error("未识别的数据类型");
}
}
catch (Exception ex)
{
return BllResultFactory<byte[]>.Error("转换出现问题：" + ex.Message);
}
}
}
}