Fixed more exception handling and added the ability to close a running interface

- counted up version number
- cleaned up register constructors that are used inernally only

Examples/Program.cs

@@ -2,6 +2,7 @@
 using System.Threading.Tasks;
 using MewtocolNet;
 using MewtocolNet.Logging;
+using MewtocolNet.Registers;
 
 namespace Examples {
 
@@ -29,6 +30,7 @@ namespace Examples {
 
                         //reading a value from the register collection
                         Console.WriteLine($"BitValue is: {registers.BitValue}");
+                        Console.WriteLine($"TestEnum is: {registers.TestEnum}");
 
                         //writing a value to the registers
                         Task.Factory.StartNew(async () => {
@@ -38,9 +40,6 @@ namespace Examples {
 
                             await Task.Delay(2000);
 
-                            //inverts the boolean register
-                            await interf.SetRegisterAsync(nameof(registers.TestBool1), !registers.TestBool1);
-
                             Console.WriteLine("Testregister was toggled");
 
                             //adds 10 each time the plc connects to the PLCs INT regíster

Examples/TestRegisters.cs

@@ -7,7 +7,7 @@ namespace Examples {
     public class TestRegisters : RegisterCollectionBase {
 
         //corresponds to a R100 boolean register in the PLC
-        [Register(100, RegisterType.R)]
+        [Register(1000, RegisterType.R)]
         public bool TestBool1 { get; private set; }
 
         //corresponds to a XD input of the PLC
@@ -42,10 +42,29 @@ namespace Examples {
         [Register(1204, 9, BitCount.B16)]
         public bool BitValue { get; private set; }
 
+        [Register(1204, 5, BitCount.B16)]
+        public bool FillTest { get; private set; }
+
         //corresponds to a DT7012 - DT7013 as a 32bit time value that gets parsed as a timespan (TIME)
         //the smallest value to communicate to the PLC is 10ms
         [Register(7012)]
         public TimeSpan TestTime { get; private set; }
 
+        public enum CurrentState {
+            Undefined = 0,
+            State1 = 1,
+            State2 = 2,
+            //State3 = 3,
+            State4 = 4,
+            State5 = 5,
+            StateBetween = 100,
+            State6 = 6,
+            State7 = 7,
+        }
+
+        [Register(50)]
+        public CurrentState TestEnum { get; private set; }
+
+
     }
 }

MewtocolNet/Mewtocol/DynamicInterface.cs

@@ -76,9 +76,11 @@ namespace MewtocolNet {
                     while (ContinousReaderRunning) {
 
                         //do priority tasks first
-                        if (PriorityTasks.Count > 0) {
+                        if (PriorityTasks != null && PriorityTasks.Count > 0) {
 
-                            await PriorityTasks.FirstOrDefault(x => !x.IsCompleted);
+                            try {
+                                await PriorityTasks?.FirstOrDefault(x => !x.IsCompleted);
+                            } catch (NullReferenceException) { }
 
                         } else if (getPLCinfoCycleCount > 25) {
 
@@ -95,63 +97,49 @@ namespace MewtocolNet {
                                 var lastVal = shortReg.Value;
                                 var readout = (await ReadNumRegister(shortReg)).Register.Value;
                                 if (lastVal != readout) {
-                                    shortReg.LastValue = readout;
                                     InvokeRegisterChanged(shortReg);
-                                    shortReg.TriggerNotifyChange();
                                 }
                             }
                             if (reg is NRegister<ushort> ushortReg) {
                                 var lastVal = ushortReg.Value;
                                 var readout = (await ReadNumRegister(ushortReg)).Register.Value;
                                 if (lastVal != readout) {
-                                    ushortReg.LastValue = readout;
                                     InvokeRegisterChanged(ushortReg);
-                                    ushortReg.TriggerNotifyChange();
                                 }
                             }
                             if (reg is NRegister<int> intReg) {
                                 var lastVal = intReg.Value;
                                 var readout = (await ReadNumRegister(intReg)).Register.Value;
                                 if (lastVal != readout) {
-                                    intReg.LastValue = readout;
                                     InvokeRegisterChanged(intReg);
-                                    intReg.TriggerNotifyChange();
                                 }
                             }
                             if (reg is NRegister<uint> uintReg) {
                                 var lastVal = uintReg.Value;
                                 var readout = (await ReadNumRegister(uintReg)).Register.Value;
                                 if (lastVal != readout) {
-                                    uintReg.LastValue = readout;
                                     InvokeRegisterChanged(uintReg);
-                                    uintReg.TriggerNotifyChange();
                                 }
                             }
                             if (reg is NRegister<float> floatReg) {
                                 var lastVal = floatReg.Value;
                                 var readout = (await ReadNumRegister(floatReg)).Register.Value;
                                 if (lastVal != readout) {
-                                    floatReg.LastValue = readout;
                                     InvokeRegisterChanged(floatReg);
-                                    floatReg.TriggerNotifyChange();
                                 }
                             }
                             if (reg is NRegister<TimeSpan> tsReg) {
                                 var lastVal = tsReg.Value;
                                 var readout = (await ReadNumRegister(tsReg)).Register.Value;
                                 if (lastVal != readout) {
-                                    tsReg.LastValue = readout;
                                     InvokeRegisterChanged(tsReg);
-                                    tsReg.TriggerNotifyChange();
                                 }
                             }
                             if (reg is BRegister boolReg) {
                                 var lastVal = boolReg.Value;
                                 var readout = (await ReadBoolRegister(boolReg)).Register.Value;
                                 if (lastVal != readout) {
-                                    boolReg.LastValue = readout;
                                     InvokeRegisterChanged(boolReg);
-                                    boolReg.TriggerNotifyChange();
                                 }
                             }
                             if (reg is SRegister stringReg) {
@@ -159,7 +147,6 @@ namespace MewtocolNet {
                                 var readout = (await ReadStringRegister(stringReg)).Register.Value;
                                 if (lastVal != readout) {
                                     InvokeRegisterChanged(stringReg);
-                                    stringReg.TriggerNotifyChange();
                                 }
 
                             }
@@ -200,30 +187,60 @@ namespace MewtocolNet {
         /// <param name="_name">A naming definition for QOL, doesn't effect PLC and is optional</param>
         public void AddRegister (int _address, RegisterType _type, string _name = null) {
 
+            Register toAdd = null;
+
             //as number registers
             if (_type == RegisterType.DT_short) {
-                Registers.Add(_address, new NRegister<short>(_address, _name));
+                toAdd = new NRegister<short>(_address, _name);
-                return;
             }
             if (_type == RegisterType.DT_ushort) {
-                Registers.Add(_address, new NRegister<ushort>(_address, _name));
+                toAdd = new NRegister<ushort>(_address, _name);
-                return;
             }
             if (_type == RegisterType.DDT_int) {
-                Registers.Add(_address, new NRegister<int>(_address, _name));
+                toAdd = new NRegister<int>(_address, _name);
-                return;
             }
             if (_type == RegisterType.DDT_uint) {
-                Registers.Add(_address, new NRegister<uint>(_address, _name));
+                toAdd = new NRegister<uint>(_address, _name);
-                return;
             }
             if (_type == RegisterType.DDT_float) {
-                Registers.Add(_address, new NRegister<float>(_address, _name));
+                toAdd = new NRegister<float>(_address, _name);
-                return;
             }
 
-            //as bool registers
+            if(toAdd == null) {
-            Registers.Add(_address, new BRegister(_address, _type, _name));
+                toAdd = new BRegister(_address, _type, _name);
+            }
+
+            Registers.Add(_address, toAdd);
+
+        }
+
+        internal void AddRegister (Type _colType, int _address, RegisterType _type, string _name = null) {
+
+            Register toAdd = null;
+
+            //as number registers
+            if (_type == RegisterType.DT_short) {
+                toAdd = new NRegister<short>(_address, _name);
+            }
+            if (_type == RegisterType.DT_ushort) {
+                toAdd = new NRegister<ushort>(_address, _name);
+            }
+            if (_type == RegisterType.DDT_int) {
+                toAdd = new NRegister<int>(_address, _name);
+            }
+            if (_type == RegisterType.DDT_uint) {
+                toAdd = new NRegister<uint>(_address, _name);
+            }
+            if (_type == RegisterType.DDT_float) {
+                toAdd = new NRegister<float>(_address, _name);
+            }
+
+            if (toAdd == null) {
+                toAdd = new BRegister(_address, _type, _name);
+            }
+
+            toAdd.collectionType = _colType;
+            Registers.Add(_address, toAdd);
 
         }
 
@@ -248,6 +265,17 @@ namespace MewtocolNet {
 
         }
 
+        internal void AddRegister (Type _colType, SpecialAddress _spAddress, RegisterType _type, string _name = null) {
+
+            var reg = new BRegister(_spAddress, _type, _name);
+
+            reg.collectionType = _colType;
+
+            //as bool registers
+            Registers.Add((int)_spAddress, reg);
+
+        }
+
         /// <summary>
         /// Adds a PLC memory register to the watchlist <para/>
         /// The registers can be read back by attaching <see cref="WithPoller"/>
@@ -265,7 +293,7 @@ namespace MewtocolNet {
         /// <param name="_name">A naming definition for QOL, doesn't effect PLC and is optional</param>
         /// <param name="_address">The address of the register in the PLCs memory</param>
         /// <param name="_length">The length of the string (Can be ignored for other types)</param>
-        public void AddRegister<T>(int _address, int _length = 1, string _name = null, bool _isBitwise = false) {
+        public void AddRegister<T>(int _address, int _length = 1, string _name = null) {
 
             Type regType = typeof(T);
 
@@ -274,18 +302,16 @@ namespace MewtocolNet {
             }
 
             if (Registers.Any(x => x.Key == _address)) {
-
                 throw new NotSupportedException($"Cannot add a register multiple times, " +
                     $"make sure that all register attributes or AddRegister assignments have different adresses.");
-
             }
 
             if (regType == typeof(short)) {
-                Registers.Add(_address, new NRegister<short>(_address, _name, _isBitwise));
+                Registers.Add(_address, new NRegister<short>(_address, _name));
             } else if (regType == typeof(ushort)) {
                 Registers.Add(_address, new NRegister<ushort>(_address, _name));
             } else if (regType == typeof(int)) {
-                Registers.Add(_address,  new NRegister<int>(_address, _name, _isBitwise));
+                Registers.Add(_address,  new NRegister<int>(_address, _name));
             } else if (regType == typeof(uint)) {
                 Registers.Add(_address,  new NRegister<uint>(_address, _name));
             } else if (regType == typeof(float)) {
@@ -303,6 +329,56 @@ namespace MewtocolNet {
 
         }
 
+        internal void AddRegister<T> (Type _colType, int _address, int _length = 1, string _name = null, bool _isBitwise = false, Type _enumType = null) {
+
+            Type regType = typeof(T);
+
+            if (regType != typeof(string) && _length != 1) {
+                throw new NotSupportedException($"_lenght parameter only allowed for register of type string");
+            }
+
+            if (Registers.Any(x => x.Key == _address) && !_isBitwise) {
+                throw new NotSupportedException($"Cannot add a register multiple times, " +
+                    $"make sure that all register attributes or AddRegister assignments have different adresses.");
+            }
+
+            if (Registers.Any(x => x.Key == _address) && _isBitwise) {
+                return;
+            }
+
+            Register reg = null;
+
+            if (regType == typeof(short)) {
+                reg = new NRegister<short>(_address, _name, _isBitwise);
+            } else if (regType == typeof(ushort)) {
+                reg = new NRegister<ushort>(_address, _name);
+            } else if (regType == typeof(int)) {
+                reg = new NRegister<int>(_address, _name, _isBitwise, _enumType);
+            } else if (regType == typeof(uint)) {
+                reg = new NRegister<uint>(_address, _name);
+            } else if (regType == typeof(float)) {
+                reg = new NRegister<float>(_address, _name);
+            } else if (regType == typeof(string)) {
+                reg = new SRegister(_address, _length, _name);
+            } else if (regType == typeof(TimeSpan)) {
+                reg = new NRegister<TimeSpan>(_address, _name);
+            } else if (regType == typeof(bool)) {
+                reg = new BRegister(_address, RegisterType.R, _name);
+            }
+
+
+            if (reg == null) {
+                throw new NotSupportedException($"The type {regType} is not allowed for Registers \n" +
+                                                $"Allowed are: short, ushort, int, uint, float and string");
+            } else {
+
+                reg.collectionType = _colType;
+
+                Registers.Add(_address, reg);
+            }
+
+        }
+
         #endregion
 
         #region Register accessing

MewtocolNet/Mewtocol/MewtocolInterface.cs

@@ -11,33 +11,58 @@ using MewtocolNet.RegisterAttributes;
 using MewtocolNet.Logging;
 using System.Collections;
 using System.Diagnostics;
+using System.ComponentModel;
 
 namespace MewtocolNet {
 
     /// <summary>
     /// The PLC com interface class
     /// </summary>
-    public partial class MewtocolInterface {
+    public partial class MewtocolInterface : INotifyPropertyChanged {
 
         /// <summary>
         /// Gets triggered when the PLC connection was established
         /// </summary>
         public event Action<PLCInfo> Connected;
 
+        /// <summary>
+        /// Gets triggered when the PLC connection was closed or lost
+        /// </summary>
+        public event Action Disconnected;
+
         /// <summary>
         /// Gets triggered when a registered data register changes its value
         /// </summary>
         public event Action<Register> RegisterChanged;
 
+        /// <summary>
+        /// Gets triggered when a property of the interface changes
+        /// </summary>
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        private bool isConnected;
         /// <summary>
         /// The current connection state of the interface
         /// </summary>
-        public bool IsConnected { get; private set; }       
+        public bool IsConnected {
+            get => isConnected;
+            private set {
+                isConnected = value;
+                PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(IsConnected)));
+            }
+        }
 
+        private PLCInfo plcInfo;
         /// <summary>
         /// Generic information about the connected PLC
         /// </summary>
-        public PLCInfo PlcInfo { get; private set; }
+        public PLCInfo PlcInfo { 
+            get => plcInfo; 
+            private set {
+                plcInfo = value;
+                PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(PlcInfo)));
+            }
+        }
 
         /// <summary>
         /// The registered data registers of the PLC
@@ -61,8 +86,23 @@ namespace MewtocolNet {
         /// </summary>
         public int StationNumber => stationNumber;
 
+        private int cycleTimeMs;
+        /// <summary>
+        /// The duration of the last message cycle
+        /// </summary>
+        public int CycleTimeMs {
+            get { return cycleTimeMs; }
+            private set {
+                cycleTimeMs = value;
+                PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(CycleTimeMs)));
+            }
+        }
+
+
         internal List<Task> PriorityTasks { get; set; } = new List<Task>();
 
+        internal int SendExceptionsInRow = 0;
+
         #region Initialization
 
         /// <summary>
@@ -90,7 +130,8 @@ namespace MewtocolNet {
 
             RegisterChanged += (o) => {
 
-                string address = $"{o.GetRegisterString()}{o.MemoryAdress}".PadRight(5, (char)32); ;
+                string address = $"{o.GetRegisterString()}{o.MemoryAdress}".PadRight(5, (char)32);
+                ;
 
                 Logger.Log($"{address} " +
                            $"{(o.Name != null ? $"({o.Name}) " : "")}" +
@@ -144,6 +185,7 @@ namespace MewtocolNet {
 
                 if (OnFailed != null) {
                     OnFailed();
+                    Disconnected?.Invoke();
                     Logger.Log("Initial connection failed", LogLevel.Info, this);
                 }
 
@@ -153,6 +195,20 @@ namespace MewtocolNet {
 
         }
 
+        /// <summary>
+        /// Closes all permanent polling 
+        /// </summary>
+        public void Disconnect () {
+
+            if (!IsConnected)
+                return;
+
+            OnMajorSocketException();
+
+            PriorityTasks.Clear();
+
+        }
+
         /// <summary>
         /// Attaches a poller to the interface that continously 
         /// polls the registered data registers and writes the values to them
@@ -190,47 +246,51 @@ namespace MewtocolNet {
                 string propName = prop.Name;
                 foreach (var attr in attributes) {
 
-                    if(attr is RegisterAttribute cAttribute) {
+                    if (attr is RegisterAttribute cAttribute) {
 
                         if (prop.PropertyType == typeof(bool) && cAttribute.AssignedBitIndex == -1) {
                             if (cAttribute.SpecialAddress == SpecialAddress.None) {
-                                AddRegister(cAttribute.MemoryArea, cAttribute.RegisterType, _name: propName);
+                                AddRegister(collection.GetType(), cAttribute.MemoryArea, cAttribute.RegisterType, _name: propName);
                             } else {
-                                AddRegister(cAttribute.SpecialAddress, cAttribute.RegisterType, _name: propName);
+                                AddRegister(collection.GetType(), cAttribute.SpecialAddress, cAttribute.RegisterType, _name: propName);
                             }
                         }
 
                         if (prop.PropertyType == typeof(short)) {
-                            AddRegister<short>(cAttribute.MemoryArea, _name: propName);
+                            AddRegister<short>(collection.GetType(), cAttribute.MemoryArea, _name: propName);
                         }
 
                         if (prop.PropertyType == typeof(ushort)) {
-                            AddRegister<ushort>(cAttribute.MemoryArea, _name: propName);
+                            AddRegister<ushort>(collection.GetType(), cAttribute.MemoryArea, _name: propName);
                         }
 
                         if (prop.PropertyType == typeof(int)) {
-                            AddRegister<int>(cAttribute.MemoryArea, _name: propName);
+                            AddRegister<int>(collection.GetType(), cAttribute.MemoryArea, _name: propName);
                         }
 
                         if (prop.PropertyType == typeof(uint)) {
-                            AddRegister<uint>(cAttribute.MemoryArea, _name: propName);
+                            AddRegister<uint>(collection.GetType(), cAttribute.MemoryArea, _name: propName);
                         }
 
                         if (prop.PropertyType == typeof(float)) {
-                            AddRegister<float>(cAttribute.MemoryArea, _name: propName);
+                            AddRegister<float>(collection.GetType(), cAttribute.MemoryArea, _name: propName);
                         }
 
                         if (prop.PropertyType == typeof(string)) {
-                            AddRegister<string>(cAttribute.MemoryArea, cAttribute.StringLength, _name: propName);
+                            AddRegister<string>(collection.GetType(), cAttribute.MemoryArea, cAttribute.StringLength, _name: propName);
+                        }
+
+                        if (prop.PropertyType.IsEnum) {
+                            AddRegister<int>(collection.GetType(), cAttribute.MemoryArea, _name: propName, _enumType: prop.PropertyType);
                         }
 
                         //read number as bit array
                         if (prop.PropertyType == typeof(BitArray)) {
 
-                            if(cAttribute.BitCount == BitCount.B16) {
+                            if (cAttribute.BitCount == BitCount.B16) {
-                                AddRegister<short>(cAttribute.MemoryArea, _name: propName, _isBitwise: true);
+                                AddRegister<short>(collection.GetType(), cAttribute.MemoryArea, _name: propName, _isBitwise: true);
                             } else {
-                                AddRegister<int>(cAttribute.MemoryArea, _name: propName, _isBitwise: true);
+                                AddRegister<int>(collection.GetType(), cAttribute.MemoryArea, _name: propName, _isBitwise: true);
                             }
 
                         }
@@ -238,16 +298,18 @@ namespace MewtocolNet {
                         //read number as bit array by invdividual properties
                         if (prop.PropertyType == typeof(bool) && cAttribute.AssignedBitIndex != -1) {
 
+                            //var bitwiseCount = Registers.Count(x => x.Value.isUsedBitwise);
+
                             if (cAttribute.BitCount == BitCount.B16) {
-                                AddRegister<short>(cAttribute.MemoryArea, _name: propName, _isBitwise: true);
+                                AddRegister<short>(collection.GetType(), cAttribute.MemoryArea, _name: $"Auto_Bitwise_DT{cAttribute.MemoryArea}", _isBitwise: true);
                             } else {
-                                AddRegister<int>(cAttribute.MemoryArea, _name: propName, _isBitwise: true);
+                                AddRegister<int>(collection.GetType(), cAttribute.MemoryArea, _name: $"Auto_Bitwise_DDT{cAttribute.MemoryArea}", _isBitwise: true);
                             }
 
                         }
 
                         if (prop.PropertyType == typeof(TimeSpan)) {
-                            AddRegister<TimeSpan>(cAttribute.MemoryArea, _name: propName);
+                            AddRegister<TimeSpan>(collection.GetType(), cAttribute.MemoryArea, _name: propName);
                         }
 
                     }
@@ -258,6 +320,40 @@ namespace MewtocolNet {
 
             RegisterChanged += (reg) => {
 
+                //if the register is also used bitwise assign the boolean bit value to the according prop
+                if(reg.isUsedBitwise) {
+
+                    for (int i = 0; i < props.Length; i++) {
+
+                        var prop = props[i];
+                        var bitWiseFound = prop.GetCustomAttributes(true)
+                        .FirstOrDefault(y => y.GetType() == typeof(RegisterAttribute) && ((RegisterAttribute)y).MemoryArea == reg.MemoryAdress);
+
+                        if(bitWiseFound != null && reg is NRegister<short> reg16) {
+                            var casted = (RegisterAttribute)bitWiseFound;
+                            var bitIndex = casted.AssignedBitIndex;
+
+                            var bytes = BitConverter.GetBytes(reg16.Value);
+                            BitArray bitAr = new BitArray(bytes);
+                            prop.SetValue(collection, bitAr[bitIndex]);
+                            collection.TriggerPropertyChanged(prop.Name);
+
+                        } else if (bitWiseFound != null && reg is NRegister<int> reg32) {
+                            var casted = (RegisterAttribute)bitWiseFound;
+                            var bitIndex = casted.AssignedBitIndex;
+
+                            var bytes = BitConverter.GetBytes(reg32.Value);
+                            BitArray bitAr = new BitArray(bytes);
+                            prop.SetValue(collection, bitAr[bitIndex]);
+                            collection.TriggerPropertyChanged(prop.Name);
+
+                        }
+
+                    }
+
+                }
+
+
                 var foundToUpdate = props.FirstOrDefault(x => x.Name == reg.Name);
 
                 if (foundToUpdate != null) {
@@ -300,6 +396,14 @@ namespace MewtocolNet {
                             foundToUpdate.SetValue(collection, ((NRegister<float>)reg).Value);
                         }
 
+                        if (foundToUpdate.PropertyType.IsEnum) {
+                            foundToUpdate.SetValue(collection, ((NRegister<int>)reg).Value);
+                        }
+
+                        if (foundToUpdate.PropertyType == typeof(TimeSpan)) {
+                            foundToUpdate.SetValue(collection, ((NRegister<TimeSpan>)reg).Value);
+                        }
+
                         //setting back strings
 
                         if (foundToUpdate.PropertyType == typeof(string)) {
@@ -309,27 +413,7 @@ namespace MewtocolNet {
                     }
 
 
-                    if (foundToUpdate.PropertyType == typeof(bool) && registerAttr.AssignedBitIndex >= 0) {
+                    if (foundToUpdate.PropertyType == typeof(BitArray)) {
-
-                        //setting back bit registers to individual properties
-                        if (reg is NRegister<short> shortReg) {
-
-                            var bytes = BitConverter.GetBytes(shortReg.Value);
-                            BitArray bitAr = new BitArray(bytes);
-                            foundToUpdate.SetValue(collection, bitAr[registerAttr.AssignedBitIndex]);
-
-                        }
-
-                        if (reg is NRegister<int> intReg) {
-
-                            var bytes = BitConverter.GetBytes(intReg.Value);
-                            BitArray bitAr = new BitArray(bytes);
-                            foundToUpdate.SetValue(collection, bitAr[registerAttr.AssignedBitIndex]);
-
-                        }
-
-
-                    } else if(foundToUpdate.PropertyType == typeof(BitArray)) {
 
                         //setting back bit registers
                         if (reg is NRegister<short> shortReg) {
@@ -360,7 +444,7 @@ namespace MewtocolNet {
                 collection.OnInterfaceLinked(this);
 
             Connected += (i) => {
-                if(collection != null) 
+                if (collection != null)
                     collection.OnInterfaceLinkedAndOnline(this);
             };
 
@@ -462,7 +546,6 @@ namespace MewtocolNet {
         /// Calculates checksum and sends a command to the PLC then awaits results
         /// </summary>
         /// <param name="_msg">MEWTOCOL Formatted request string ex: %01#RT</param>
-        /// <param name="_close">Auto close of frame [true]%01#RT01\r [false]%01#RT</param>
         /// <returns>Returns the result</returns>
         public async Task<CommandResult> SendCommandAsync (string _msg) {
 
@@ -473,13 +556,13 @@ namespace MewtocolNet {
 
             string response = null;
 
-            if(ContinousReaderRunning) {
+            if (ContinousReaderRunning) {
 
                 //if the poller is active then add all messages to a qeueue
 
                 var awaittask = SendSingleBlock(_msg);
                 PriorityTasks.Add(awaittask);
-                awaittask.Wait();
+                await awaittask;
 
                 PriorityTasks.Remove(awaittask);
                 response = awaittask.Result;
@@ -492,7 +575,7 @@ namespace MewtocolNet {
 
             }
 
-            if(response == null) {
+            if (response == null) {
                 return new CommandResult {
                     Success = false,
                     Error = "0000",
@@ -536,34 +619,57 @@ namespace MewtocolNet {
                     await client.ConnectAsync(ip, port);
 
                     using (NetworkStream stream = client.GetStream()) {
+
                         var message = _blockString.ToHexASCIIBytes();
                         var messageAscii = BitConverter.ToString(message).Replace("-", " ");
+
                         //send request
-                        using (var sendStream = new MemoryStream(message)) {
+                        try {
-                            await sendStream.CopyToAsync(stream);
+                            using (var sendStream = new MemoryStream(message)) {
-                            Logger.Log($"OUT MSG: {_blockString}", LogLevel.Critical, this);
+                                await sendStream.CopyToAsync(stream);
-                            //log message sent
+                                Logger.Log($"OUT MSG: {_blockString}", LogLevel.Critical, this);
-                            ASCIIEncoding enc = new ASCIIEncoding();
+                                //log message sent
-                            string characters = enc.GetString(message);
+                                ASCIIEncoding enc = new ASCIIEncoding();
+                                string characters = enc.GetString(message);
+                            }
+                        } catch (IOException) {
+                            Logger.Log($"Critical IO exception on send", LogLevel.Critical, this);
+                            return null;
+                        } catch (SocketException) {
+                            OnMajorSocketException();
+                            return null;
                         }
+
                         //await result
                         StringBuilder response = new StringBuilder();
-                        byte[] responseBuffer = new byte[256];
+                        try {
-                        do {
+                            byte[] responseBuffer = new byte[256];
-                            int bytes = stream.Read(responseBuffer, 0, responseBuffer.Length);
+                            do {
-                            response.Append(Encoding.UTF8.GetString(responseBuffer, 0, bytes));
+                                int bytes = stream.Read(responseBuffer, 0, responseBuffer.Length);
+                                response.Append(Encoding.UTF8.GetString(responseBuffer, 0, bytes));
+                            }
+                            while (stream.DataAvailable);
+                        } catch (IOException) {
+                            Logger.Log($"Critical IO exception on receive", LogLevel.Critical, this);
+                            return null;
+                        } catch (SocketException) {
+                            OnMajorSocketException();
+                            return null;
                         }
-                        while (stream.DataAvailable);
+
                         sw.Stop();
-                        Logger.Log($"IN MSG ({(int)sw.Elapsed.TotalMilliseconds}ms): {_blockString}", LogLevel.Critical, this);
+                        var curCycle = (int)sw.ElapsedMilliseconds;
+                        if (Math.Abs(CycleTimeMs - curCycle) > 2) {
+                            CycleTimeMs = curCycle;
+                        }
+
+                        Logger.Log($"IN MSG ({(int)sw.Elapsed.TotalMilliseconds}ms): {response}", LogLevel.Critical, this);
                         return response.ToString();
                     }
 
-                } catch(Exception) {
+                } catch (SocketException) {
 
-                    IsConnected = false;
+                    OnMajorSocketException();
-                    KillPoller();
-                    Logger.Log("The PLC connection was closed", LogLevel.Error, this);
                     return null;
 
                 }
@@ -572,6 +678,19 @@ namespace MewtocolNet {
 
         }
 
+        private void OnMajorSocketException () {
+
+            if (IsConnected) {
+
+                Logger.Log("The PLC connection was closed", LogLevel.Error, this);
+                CycleTimeMs = 0;
+                IsConnected = false;
+                Disconnected?.Invoke();
+                KillPoller();
+
+            }
+
+        }
 
         #endregion
 

MewtocolNet/Mewtocol/MewtocolInterfaceRequests.cs

@@ -160,7 +160,7 @@ namespace MewtocolNet {
 
             var resultBool = result.Response.ParseRCSingleBit();
             if(resultBool != null) {
-                _toRead.LastValue = resultBool.Value;
+                _toRead.SetValueFromPLC(resultBool.Value);
             } 
 
             var finalRes = new BRegisterResult {
@@ -183,7 +183,7 @@ namespace MewtocolNet {
 
             var result = await SendCommandAsync(requeststring);
 
-            return result.Success && result.Response.StartsWith($"%{ GetStationNumber()}#WC");
+            return result.Success && result.Response.StartsWith($"%{ GetStationNumber()}$WC");
 
         }
 
@@ -216,25 +216,25 @@ namespace MewtocolNet {
 
                 var resultBytes = result.Response.ParseDTByteString(4).ReverseByteOrder();
                 var val = short.Parse(resultBytes, NumberStyles.HexNumber);
-                (_toRead as NRegister<short>).LastValue = val;
+                _toRead.SetValueFromPLC(val);
 
             } else if (numType == typeof(ushort)) {
 
                 var resultBytes = result.Response.ParseDTByteString(4).ReverseByteOrder();
                 var val = ushort.Parse(resultBytes, NumberStyles.HexNumber);
-                (_toRead as NRegister<ushort>).LastValue = val;
+                _toRead.SetValueFromPLC(val);
 
             } else if (numType == typeof(int)) {
 
                 var resultBytes = result.Response.ParseDTByteString(8).ReverseByteOrder();
                 var val = int.Parse(resultBytes, NumberStyles.HexNumber);
-                (_toRead as NRegister<int>).LastValue = val;
+                _toRead.SetValueFromPLC(val);
 
             } else if (numType == typeof(uint)) {
 
                 var resultBytes = result.Response.ParseDTByteString(8).ReverseByteOrder();
                 var val = uint.Parse(resultBytes, NumberStyles.HexNumber);
-                (_toRead as NRegister<uint>).LastValue = val;
+                _toRead.SetValueFromPLC(val);
 
             } else if (numType == typeof(float)) {
 
@@ -245,7 +245,7 @@ namespace MewtocolNet {
                 byte[] floatVals = BitConverter.GetBytes(val);
                 float finalFloat = BitConverter.ToSingle(floatVals, 0);
 
-                (_toRead as NRegister<float>).LastValue = finalFloat;
+                _toRead.SetValueFromPLC(finalFloat);
 
             } else if (numType == typeof(TimeSpan)) {
 
@@ -256,7 +256,7 @@ namespace MewtocolNet {
                 var ts = TimeSpan.FromMilliseconds(valMillis);
 
                 //minmax writable / readable value is 10ms
-                (_toRead as NRegister<TimeSpan>).LastValue = ts;
+                _toRead.SetValueFromPLC(ts);
 
             }
 
@@ -313,7 +313,7 @@ namespace MewtocolNet {
 
             var result = await SendCommandAsync(requeststring);
 
-            return result.Success && result.Response.StartsWith($"%{ GetStationNumber()}#WD");
+            return result.Success && result.Response.StartsWith($"%{ GetStationNumber()}$WD");
 
         }
 
@@ -369,7 +369,7 @@ namespace MewtocolNet {
             var result = await SendCommandAsync(requeststring);
 
 
-            return result.Success && result.Response.StartsWith($"%{ GetStationNumber()}#WD");
+            return result.Success && result.Response.StartsWith($"%{ GetStationNumber()}$WD");
         }
 
         #endregion

MewtocolNet/Mewtocol/Subregisters/BRegister.cs

@@ -9,8 +9,8 @@ namespace MewtocolNet.Registers {
     /// </summary>
     public class BRegister : Register {
 
-        internal RegisterType RegType { get; set; }     
+        internal RegisterType RegType { get; private set; }     
-        internal SpecialAddress SpecialAddress { get; set; }        
+        internal SpecialAddress SpecialAddress { get; private set; }        
 
         public bool NeedValue;
         public bool LastValue;
@@ -18,13 +18,7 @@ namespace MewtocolNet.Registers {
         /// <summary>
         /// The value of the register
         /// </summary>
-        public bool Value {
+        public bool Value => LastValue;
-            get => LastValue;
-            set {
-                NeedValue = value;
-                TriggerChangedEvnt(this);
-            }
-        }
 
         /// <summary>
         /// Defines a register containing a number
@@ -35,8 +29,8 @@ namespace MewtocolNet.Registers {
         public BRegister (int _address, RegisterType _type = RegisterType.R, string _name = null) {
 
             if (_address > 99999) throw new NotSupportedException("Memory adresses cant be greater than 99999");
-            MemoryAdress = _address;
+            memoryAdress = _address;
-            Name = _name;
+            name = _name;
 
             RegType = _type;
 
@@ -54,7 +48,7 @@ namespace MewtocolNet.Registers {
                 throw new NotSupportedException("Special adress cant be none");
 
             SpecialAddress = _address;
-            Name = _name;
+            name = _name;
 
             RegType = _type;
 
@@ -74,6 +68,11 @@ namespace MewtocolNet.Registers {
 
         }
 
+        internal void SetValueFromPLC (bool val) {
+            LastValue = val;
+            TriggerChangedEvnt(this);
+            TriggerNotifyChange();
+        }
         public override string ToString() {
             return $"Adress: {MemoryAdress} Val: {Value}";
         }

MewtocolNet/Mewtocol/Subregisters/NRegister.cs

@@ -13,48 +13,75 @@ namespace MewtocolNet.Registers {
         /// <summary>
         /// The value of the register
         /// </summary>
-        public T Value {
+        public T Value => LastValue;
-            get => LastValue;
-            set {
-                NeedValue = value;
-                TriggerChangedEvnt(this);
-            }
-        }
 
         /// <summary>
         /// Defines a register containing a number
         /// </summary>
         /// <param name="_adress">Memory start adress max 99999</param>
-        /// <param name="_format">The format in which the variable is stored</param>
+        /// <param name="_name">Name of the register</param>
-        public NRegister(int _adress, string _name = null, bool isBitwise = false) {
+        public NRegister (int _adress, string _name = null) {
 
-            if (_adress > 99999) throw new NotSupportedException("Memory adresses cant be greater than 99999");
+            if (_adress > 99999)
-            MemoryAdress = _adress;
+                throw new NotSupportedException("Memory adresses cant be greater than 99999");
-            Name = _name;
+            memoryAdress = _adress;
+            name = _name;
             Type numType = typeof(T);
             if (numType == typeof(short)) {
-                MemoryLength = 0;
+                memoryLength = 0;
             } else if (numType == typeof(ushort)) {
-                MemoryLength = 0;
+                memoryLength = 0;
             } else if (numType == typeof(int)) {
-                MemoryLength = 1;
+                memoryLength = 1;
             } else if (numType == typeof(uint)) {
-                MemoryLength = 1;
+                memoryLength = 1;
             } else if (numType == typeof(float)) {
-                MemoryLength = 1;
+                memoryLength = 1;
             } else if (numType == typeof(TimeSpan)) {
-                MemoryLength = 1;
+                memoryLength = 1;
+            } else {
+                throw new NotSupportedException($"The type {numType} is not allowed for Number Registers");
+            }
+
+        }
+
+        internal NRegister(int _adress, string _name = null, bool isBitwise = false, Type _enumType = null) {
+
+            if (_adress > 99999) throw new NotSupportedException("Memory adresses cant be greater than 99999");
+            memoryAdress = _adress;
+            name = _name;
+            Type numType = typeof(T);
+            if (numType == typeof(short)) {
+                memoryLength = 0;
+            } else if (numType == typeof(ushort)) {
+                memoryLength = 0;
+            } else if (numType == typeof(int)) {
+                memoryLength = 1;
+            } else if (numType == typeof(uint)) {
+                memoryLength = 1;
+            } else if (numType == typeof(float)) {
+                memoryLength = 1;
+            } else if (numType == typeof(TimeSpan)) {
+                memoryLength = 1;
             } else {
                 throw new NotSupportedException($"The type {numType} is not allowed for Number Registers");
             }
 
             isUsedBitwise = isBitwise;
+            enumType = _enumType;    
 
         }
 
+        internal void SetValueFromPLC (object val) {
+            LastValue = (T)val;
+            TriggerChangedEvnt(this);
+            TriggerNotifyChange();
+        }
+
         public override string ToString() {
             return $"Adress: {MemoryAdress} Val: {Value}";
         }
+
     }
 
 

MewtocolNet/Mewtocol/Subregisters/NRegisterResult.cs

@@ -1,4 +1,6 @@
-namespace MewtocolNet.Registers {
+using System;
+
+namespace MewtocolNet.Registers {
     /// <summary>
     /// Result for a read/write operation
     /// </summary>
@@ -11,6 +13,19 @@
             string errmsg = Result.Success ? "" : $", Error [{Result.ErrorDescription}]";
             return $"Result [{Result.Success}], Register [{Register.ToString()}]{errmsg}";
         }
+
+        /// <summary>
+        /// Trys to get the value of there is one
+        /// </summary>
+        public bool TryGetValue (out T value) {
+            if(Result.Success) {
+                value = Register.Value;
+                return true;
+            }
+            value = default(T);
+            return false;
+        }
+
     }
 
 

MewtocolNet/Mewtocol/Subregisters/Register.cs

@@ -17,12 +17,63 @@ namespace MewtocolNet.Registers {
         /// Gets called whenever the value was changed
         /// </summary>
         public event Action<object> ValueChanged;
+        /// <summary>
+        /// Triggers when a property on the register changes
+        /// </summary>
         public event PropertyChangedEventHandler PropertyChanged;
 
-        public string Name { get; set; }
+        internal Type collectionType;
-        public int MemoryAdress { get; set; }
+        /// <summary>
-        public int MemoryLength { get; set; }
+        /// The type of collection the register is in or null of added manually
+        /// </summary>
+        public Type CollectionType => collectionType;
+
+        internal string name;
+        /// <summary>
+        /// The register name or null of not defined
+        /// </summary>
+        public string Name => name;
+
+        internal int memoryAdress;
+        /// <summary>
+        /// The registers memory adress if not a special register
+        /// </summary>
+        public int MemoryAdress => memoryAdress;
+
+        internal int memoryLength;
+        /// <summary>
+        /// The rgisters memory length
+        /// </summary>
+        public int MemoryLength => memoryLength;
+
+        /// <summary>
+        /// The value of the register auto converted to a string
+        /// </summary>
+        public string StringValue => GetValueString();
+
+        /// <summary>
+        /// The name the register would have in the PLC
+        /// </summary>
+        public string RegisterPLCName => GetRegisterPLCName();
+
+        /// <summary>
+        /// The combined name with the holding register class type infront
+        /// </summary>
+        public string CombinedName => GetCombinedName();
+
+        /// <summary>
+        /// The name of the class that contains this register or empty if it was added manually
+        /// </summary>
+        public string ContainerName => GetContainerName();
+
         internal bool isUsedBitwise { get; set; }    
+        internal Type enumType { get; set; }
+
+        internal Register () {
+            ValueChanged += (obj) => {
+                PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(StringValue)));
+            };
+        }
 
         public virtual string BuildMewtocolIdent() {
 
@@ -60,6 +111,18 @@ namespace MewtocolNet.Registers {
         /// <returns></returns>
         public string GetValueString () {
 
+            if (enumType != null && this is NRegister<int> intEnumReg) {
+                var dict = new Dictionary<int, string>();
+                foreach (var name in Enum.GetNames(enumType)) {
+                    dict.Add((int)Enum.Parse(enumType, name), name);
+                }
+
+                if(dict.ContainsKey(intEnumReg.Value)) {
+                    return $"{intEnumReg.Value} ({dict[intEnumReg.Value]})";
+                } else {
+                    return $"{intEnumReg.Value} (Missing Enum)";
+                }   
+            }
             if (this is NRegister<short> shortReg) {
                 return $"{shortReg.Value}{(isUsedBitwise ? $" [{shortReg.GetBitwise().ToBitString()}]" : "")}";
             }
@@ -83,7 +146,6 @@ namespace MewtocolNet.Registers {
             }
             if (this is SRegister stringReg) {
                 return stringReg.Value.ToString();
-
             }
 
             return "Type of the register is not supported.";
@@ -148,7 +210,23 @@ namespace MewtocolNet.Registers {
 
         }
 
-        public string GetRegisterPLCName () {
+        internal string GetCombinedName () {
+
+            return $"{(CollectionType != null ? $"{CollectionType.Name}." : "")}{Name ?? "Unnamed"}";
+
+        }
+
+        internal string GetContainerName () {
+
+            return $"{(CollectionType != null ? $"{CollectionType.Name}" : "")}";
+
+        }
+
+        internal string GetRegisterPLCName () {
+
+            if (this is BRegister bReg && bReg.SpecialAddress != SpecialAddress.None) {
+                return $"{GetRegisterString()}{bReg.SpecialAddress}";
+            }
 
             return $"{GetRegisterString()}{MemoryAdress}";
 

MewtocolNet/Mewtocol/Subregisters/SRegister.cs

@@ -8,11 +8,8 @@ namespace MewtocolNet.Registers {
     public class SRegister : Register {
 
         private string lastVal = "";
-        public string Value {
 
-            get => lastVal;
+        public string Value => lastVal;
-            
-        }
 
         public short ReservedSize { get; set; }
 
@@ -22,8 +19,8 @@ namespace MewtocolNet.Registers {
         public SRegister(int _adress, int _reservedStringSize, string _name = null) {
 
             if (_adress > 99999) throw new NotSupportedException("Memory adresses cant be greater than 99999");
-            Name = _name;
+            name = _name;
-            MemoryAdress = _adress;
+            memoryAdress = _adress;
             ReservedSize = (short)_reservedStringSize;
 
             //calc mem length
@@ -32,7 +29,7 @@ namespace MewtocolNet.Registers {
                 wordsize++;
             }
 
-            MemoryLength = (int)Math.Round(wordsize + 1);
+            memoryLength = (int)Math.Round(wordsize + 1);
         }
 
         public override string ToString() {
@@ -62,7 +59,7 @@ namespace MewtocolNet.Registers {
             return asciistring.ToString();
         }
 
-        public void SetValueFromPLC (string val) {
+        internal void SetValueFromPLC (string val) {
             lastVal = val;
             TriggerChangedEvnt(this);
             TriggerNotifyChange();

MewtocolNet/MewtocolNet.csproj

@@ -2,7 +2,7 @@
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
     <PackageId>MewtocolNet</PackageId>
-    <Version>0.3.2</Version>
+    <Version>0.4.2</Version>
     <Authors>Felix Weiss</Authors>
     <Company>Womed</Company>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>