SiemensS7Communication.cs
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using DataAcquisition.Common.Enums;
using DataAcquisition.Models;
using HHECS.BllModel;
using HslCommunication;
using HslCommunication.Core.Address;
using HslCommunication.Profinet.Siemens;
using System.Diagnostics;
using System.Text;
namespace DataAcquisition.Common.Communications
{
/// <summary>
/// 西门子通信
/// </summary>
public class SiemensS7Communication : ICommunication
{
public readonly SiemensS7Net Siemens = null!;
public string IpAddress => Siemens.IpAddress;
public int CommunicationId { get; set; }
private SiemensS7Communication() { }
public SiemensS7Communication(int communicationId, SiemensPLCS siemens, string ipAddress) : this()
{
CommunicationId = communicationId;
Siemens = new SiemensS7Net(siemens, ipAddress);
Siemens.SetPersistentConnection();
}
public BllResult ConnectServer()
{
try
{
var result = Siemens.ConnectServer();
if (!result.IsSuccess)
{
return BllResultFactory.Error(result.Message);
}
return BllResultFactory.Success();
}
catch (Exception ex)
{
return BllResultFactory.Error(ex.Message);
}
}
public BllResult ConnectClose()
{
Siemens.ConnectClose();
return BllResultFactory.Success();
}
public BllResult Read(IEnumerable<EquipmentProperty> equipmentProperties)
{
try
{
var addressDatas = new List<S7AddressData>();
foreach (var item in equipmentProperties)
{
ushort byteLength = GetByteLength(item);
var i = item.DataAddress.IndexOf(',');
var address = i > 0 ? item.DataAddress[..i] : item.DataAddress;
var parseResult = S7AddressData.ParseFrom(address, byteLength);
if (!parseResult.IsSuccess)
{
return BllResultFactory.Error(parseResult.Message);
}
addressDatas.Add(parseResult.Content);
}
var result = Siemens.Read(addressDatas.ToArray());
if (!result.IsSuccess)
{
return BllResultFactory.Error(result.Message);
}
var buffer = result.Content;
var byteIndex = 0;
foreach (var item in equipmentProperties)
{
_ = ushort.TryParse(item.DataAddress.Split('.').LastOrDefault(), out var bitIndex);
_ = ushort.TryParse(item.DataAddress.Split(',').LastOrDefault() ?? "1", out var dataLength);
item.Value = item.DataType switch
{
DataTypeConst.Float => Siemens.ByteTransform.TransSingle(buffer, byteIndex).ToString(),
DataTypeConst.Bool => Convert.ToBoolean(buffer[byteIndex] & 1 << bitIndex).ToString(),
DataTypeConst.Byte => Siemens.ByteTransform.TransByte(buffer, byteIndex).ToString(),
DataTypeConst.Int16 => Siemens.ByteTransform.TransInt16(buffer, byteIndex).ToString(),
DataTypeConst.UInt16 => Siemens.ByteTransform.TransUInt16(buffer, byteIndex).ToString(),
DataTypeConst.Int32 => Siemens.ByteTransform.TransInt32(buffer, byteIndex).ToString(),
DataTypeConst.UInt32 => Siemens.ByteTransform.TransUInt32(buffer, byteIndex).ToString(),
DataTypeConst.Int64 => Siemens.ByteTransform.TransInt64(buffer, byteIndex).ToString(),
DataTypeConst.UInt64 => Siemens.ByteTransform.TransUInt64(buffer, byteIndex).ToString(),
DataTypeConst.String => Siemens.ByteTransform.TransString(buffer, byteIndex, dataLength, Encoding.ASCII).Replace("\u0003", "").Trim(),
_ => string.Empty,
};
item.UpdateTime = DateTime.Now;
byteIndex += GetByteLength(item);
}
return BllResultFactory.Success();
}
catch (Exception ex)
{
return BllResultFactory.Error($"读取PLC[{Siemens.IpAddress}]数据出现异常：{ex.Message}");
}
}
public BllResult Read(EquipmentProperty equipmentProperty)
{
return Read([equipmentProperty]);
}
public BllResult Write(IEnumerable<EquipmentProperty> equipmentProperties)
{
try
{
var result = new OperateResult();
var stopwatch = Stopwatch.StartNew();
foreach (var item in equipmentProperties)
{
if (item.DataType == DataTypeConst.Bool)
{
_ = bool.TryParse(item.Value, out bool val);
result = Siemens.Write(item.DataAddress, val);
}
else if (item.DataType == DataTypeConst.Int16)
{
_ = short.TryParse(item.Value, out short val);
result = Siemens.Write(item.DataAddress, val);
}
else if (item.DataType == DataTypeConst.Float)
{
_ = float.TryParse(item.Value, out var val);
result = Siemens.Write(item.DataAddress, val);
}
else
{
var bytes = Encoding.Default.GetBytes(item.Value ?? string.Empty);
result = Siemens.Write(item.DataAddress, bytes);
}
if (!result.IsSuccess)
{
return BllResultFactory.Error($"写入PLC[{Siemens.IpAddress}]_{item.DataAddress}地址数据失败：{result.Message}");
}
}
stopwatch.Stop();
return BllResultFactory.Success($"写入PLC[{Siemens.IpAddress}]地址数据成功，数量{equipmentProperties.Count()}，耗时：{stopwatch.Elapsed}");
}
catch (Exception ex)
{
return BllResultFactory.Error($"写入PLC[{Siemens.IpAddress}]数据出现异常：{ex.Message}");
}
}
public BllResult Write(EquipmentProperty equipmentProperty)
{
return Write([equipmentProperty]);
}
private static ushort GetByteLength(EquipmentProperty data)
{
_ = ushort.TryParse(data.DataAddress.Split(',').LastOrDefault() ?? "1", out var dataLength);
return data.DataType switch
{
DataTypeConst.Bool => 1,
DataTypeConst.Byte or
DataTypeConst.String => dataLength,
DataTypeConst.Int16 => 2,//INT
DataTypeConst.Int32 => 4,//DINT
DataTypeConst.UInt16 => 2,//WORD
DataTypeConst.UInt32 => 4,//DWORD
DataTypeConst.Int64 => 8,
DataTypeConst.UInt64 => 8,
DataTypeConst.Float => 4,//REAL
_ => dataLength
};
}
}
}