SiemensS7Communication.cs
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using HHECS.BllModel;
using HHECS.EquipmentModel;
using HslCommunication;
using HslCommunication.Core;
using HslCommunication.Profinet.Siemens;
using System.Text;
using System.Text.RegularExpressions;
namespace HHECS.DAQClient.Communications
{
/// <summary>
/// 西门子通信
/// </summary>
public class SiemensS7Communication : ICommunication
{
public readonly SiemensS7Net Siemens = null!;
private readonly ReverseBytesTransform reverseBytesTransform = new();
public string IpAddress => Siemens.IpAddress;
public int CommunicationId { get; set; }
private SiemensS7Communication() { }
public SiemensS7Communication(int communicationId, SiemensPLCS siemens, string ipAddress)
{
CommunicationId = communicationId;
Siemens = new SiemensS7Net(siemens, ipAddress);
Siemens.SetPersistentConnection();
}
public BllResult ConnectServer()
{
var result = Siemens.ConnectServer();
if (!result.IsSuccess)
{
return BllResultFactory.Error(result.Message);
}
return BllResultFactory.Success();
}
public BllResult ConnectClose()
{
Siemens.ConnectClose();
return BllResultFactory.Success();
}
public BllResult Read(IEnumerable<DataItem> dataItems)
{
try
{
//DB地址批量读取
if (dataItems.All(x => x.DataAddress.StartsWith("DB", StringComparison.OrdinalIgnoreCase)))
{
var regex = new Regex("[0-9]+");
var separatingChars = new char[] { '.', ',' };
foreach (var item in dataItems.GroupBy(x => x.DataAddress.Split(separatingChars).First()))
{
var amountItems = item.Select(x => Convert.ToInt32(regex.Match(x.DataAddress.Split(separatingChars)[1]).Value));
var amountStart = amountItems.Min();
var amountEnd = amountItems.Max();
var lastItem = item.MaxBy(x => Convert.ToInt32(regex.Match(x.DataAddress.Split(separatingChars)[1]).Value));
//最后一个地址占用的Byte数量,Word类型需要加2，Real需要加4
var lastByteAmount = lastItem.DataType switch
{
EquipmentDataType.BOOL => 1,
EquipmentDataType.WORD => 2,//Int16
EquipmentDataType.DWORD => 4,//UInt16
EquipmentDataType.INT => 2,//Int32
EquipmentDataType.DINT => 4,//UInt32
EquipmentDataType.CHAR => lastItem.Length,
EquipmentDataType.REAL => 4,//Float
_ => 1
};
var amount = (ushort)(amountEnd - amountStart + lastByteAmount);
var multiReadResult = Siemens.Read($"{item.Key}.{amountStart}", amount);
if (!multiReadResult.IsSuccess)
{
throw new Exception(multiReadResult.Message);
}
//根据数据类型按byte转换，不同数据类型字节数不同
foreach (var prop in item)
{
_ = int.TryParse(regex.Match(prop.DataAddress.Split(separatingChars)[1]).Value, out int currentAmountEnd);
_ = int.TryParse(regex.Match(prop.DataAddress.Split(separatingChars).Skip(2).FirstOrDefault() ?? "0").Value, out int bitIndex);
var index = currentAmountEnd - amountStart;
prop.Value = prop.DataType switch
{
EquipmentDataType.BYTE => reverseBytesTransform.TransInt32(multiReadResult.Content, index).ToString(),
EquipmentDataType.BOOL => Convert.ToBoolean(multiReadResult.Content[index] & 1 << bitIndex).ToString(),
EquipmentDataType.DINT => reverseBytesTransform.TransInt32(multiReadResult.Content, index).ToString(),
EquipmentDataType.DWORD => reverseBytesTransform.TransUInt32(multiReadResult.Content, index).ToString(),
EquipmentDataType.WORD => reverseBytesTransform.TransUInt16(multiReadResult.Content, index).ToString(),
EquipmentDataType.INT => reverseBytesTransform.TransInt16(multiReadResult.Content, index).ToString(),
EquipmentDataType.CHAR => reverseBytesTransform.TransString(multiReadResult.Content, index, prop.Length, Encoding.ASCII).Replace("\u0003", "").Trim(),
EquipmentDataType.REAL => reverseBytesTransform.TransSingle(multiReadResult.Content, index).ToString(),
_ => string.Empty
};
}
}
return BllResultFactory.Success();
}
//单个地址读取
foreach (var item in dataItems)
{
switch (item.DataType)
{
case EquipmentDataType.BOOL:
var boolDataResult = Siemens.ReadBool(item.DataAddress);
if (!boolDataResult.IsSuccess)
{
item.Value = string.Empty;
return BllResultFactory.Error($"读取PLC[{Siemens.IpAddress}]地址{item.DataAddress}出现异常：{boolDataResult.Message}");
}
item.Value = boolDataResult.Content.ToString();
break;
case EquipmentDataType.BYTE:
var byteDataResult = Siemens.ReadByte(item.DataAddress);
if (!byteDataResult.IsSuccess)
{
item.Value = string.Empty;
return BllResultFactory.Error($"读取PLC[{Siemens.IpAddress}]地址{item.DataAddress}出现异常：{byteDataResult.Message}");
}
item.Value = byteDataResult.Content.ToString();
break;
case EquipmentDataType.WORD:
var shortDataResult = Siemens.ReadInt16(item.DataAddress);
if (!shortDataResult.IsSuccess)
{
item.Value = string.Empty;
return BllResultFactory.Error($"读取PLC[{Siemens.IpAddress}]地址{item.DataAddress}出现异常：{shortDataResult.Message}");
}
item.Value = shortDataResult.Content.ToString();
break;
case EquipmentDataType.DWORD:
var ushortDataResult = Siemens.ReadUInt16(item.DataAddress);
if (!ushortDataResult.IsSuccess)
{
item.Value = string.Empty;
return BllResultFactory.Error($"读取PLC[{Siemens.IpAddress}]地址{item.DataAddress}出现异常：{ushortDataResult.Message}");
}
item.Value = ushortDataResult.Content.ToString();
break;
case EquipmentDataType.INT:
var intDataResult = Siemens.ReadInt32(item.DataAddress);
if (!intDataResult.IsSuccess)
{
item.Value = string.Empty;
return BllResultFactory.Error($"读取PLC[{Siemens.IpAddress}]地址{item.DataAddress}出现异常：{intDataResult.Message}");
}
item.Value = intDataResult.Content.ToString();
break;
case EquipmentDataType.DINT:
var uintDataResult = Siemens.ReadUInt32(item.DataAddress);
if (!uintDataResult.IsSuccess)
{
item.Value = string.Empty;
return BllResultFactory.Error($"读取PLC[{Siemens.IpAddress}]地址{item.DataAddress}出现异常：{uintDataResult.Message}");
}
item.Value = uintDataResult.Content.ToString();
break;
case EquipmentDataType.REAL:
var floatDataResult = Siemens.ReadFloat(item.DataAddress);
if (!floatDataResult.IsSuccess)
{
item.Value = string.Empty;
return BllResultFactory.Error($"读取PLC[{Siemens.IpAddress}]地址{item.DataAddress}出现异常：{floatDataResult.Message}");
}
item.Value = floatDataResult.Content.ToString();
break;
//case "double":
// var doubleDataResult = Siemens.ReadDouble(item.DataAddress);
// if (!doubleDataResult.IsSuccess)
// {
// item.Value = string.Empty;
// systemLog.LogError($"读取PLC[{Siemens.IpAddress}]地址{item.DataAddress}出现异常：{doubleDataResult.Message}");
// return;
// }
// item.Value = doubleDataResult.Content.ToString();
// break;
case EquipmentDataType.CHAR:
var stringDataResult = Siemens.ReadString(item.DataAddress);
if (!stringDataResult.IsSuccess)
{
item.Value = string.Empty;
return BllResultFactory.Error($"读取PLC[{Siemens.IpAddress}]地址{item.DataAddress}出现异常：{stringDataResult.Message}");
}
item.Value = stringDataResult.Content.ToString();
break;
default:
return BllResultFactory.Error($"读取PLC[{Siemens.IpAddress}]地址{item.DataAddress}失败：不支持“{item.DataType}”数据类型");
}
}
return BllResultFactory.Success();
}
catch (Exception ex)
{
return BllResultFactory.Error($"读取PLC[{Siemens.IpAddress}]数据出现异常：{ex.Message}");
}
}
public BllResult Read(DataItem dataItem)
{
return Read([dataItem]);
}
public BllResult Write(IEnumerable<DataItem> dataItems)
{
try
{
var result = new OperateResult();
foreach (var item in dataItems)
{
if (item.DataType == EquipmentDataType.BOOL)
{
_ = bool.TryParse(item.Value, out bool val);
result = Siemens.Write(item.DataAddress, val);
}
else if (item.DataType == EquipmentDataType.INT)
{
_ = ushort.TryParse(item.Value, out ushort val);
result = Siemens.Write(item.DataAddress, val);
}
else if (item.DataType == EquipmentDataType.REAL)
{
_ = 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($"写入PLC[{Siemens.IpAddress}]_{item.DataAddress}地址数据失败：{result.Message}");
}
}
return BllResultFactory.Success();
}
catch (Exception ex)
{
return BllResultFactory.Error($"写入PLC[{Siemens.IpAddress}]数据出现异常：{ex.Message}");
}
}
public BllResult Write(DataItem dataItem)
{
return Write([dataItem]);
}
}
}