Multiple fixes

MewtocolNet/Events/PlcConnectionArgs.cs

@@ -0,0 +1,13 @@
+using System;
+
+namespace MewtocolNet.Events {
+
+    public delegate void PlcConnectionEventHandler(object sender, PlcConnectionArgs e);
+
+    public class PlcConnectionArgs : EventArgs {
+
+
+
+    }
+
+}

MewtocolNet/Events/RegisterChanged.cs

@@ -0,0 +1,22 @@
+using MewtocolNet.Registers;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace MewtocolNet.Events {
+
+    public delegate void RegisterChangedEventHandler(object sender, RegisterChangedArgs e);
+
+    public class RegisterChangedArgs : EventArgs {
+
+        public IRegister Register { get; internal set; }
+
+        public object Value { get; internal set; }   
+        
+        public object PreviousValue { get; internal set; }
+
+        public string PreviousValueString { get; internal set; }
+
+    }
+
+}

MewtocolNet/Exceptions/MewtocolException.cs

@@ -1,46 +0,0 @@
-using MewtocolNet.Registers;
-using System;
-
-namespace MewtocolNet.Exceptions {
-
-    [Serializable]
-    public class MewtocolException : Exception {
-
-        public MewtocolException() { }
-
-        public MewtocolException(string message) : base(message) { }
-
-        public MewtocolException(string message, Exception inner) : base(message, inner) { }
-
-        protected MewtocolException(
-          System.Runtime.Serialization.SerializationInfo info,
-          System.Runtime.Serialization.StreamingContext context) : base(info, context) { }
-
-        internal static MewtocolException NotConnectedSend() {
-
-            return new MewtocolException($"Can not send a message to the PLC if it isn't connected");
-
-        }
-
-        internal static MewtocolException DupeRegister(Register register) {
-
-            return new MewtocolException($"The mewtocol interface already contains this register: {register.GetMewName()}");
-
-        }
-
-        internal static MewtocolException DupeNameRegister(Register register) {
-
-            return new MewtocolException($"The mewtocol interface registers already contains a register with the name: {register.GetMewName()}");
-
-        }
-
-        internal static MewtocolException OverlappingRegister(Register registerA, Register registerB) {
-
-            return new MewtocolException($"The register: {registerA.GetRegisterWordRangeString()} " +
-                        $"has overlapping addresses with: {registerB.GetRegisterWordRangeString()}");
-
-        }
-
-    }
-
-}

MewtocolNet/Helpers/MewtocolHelpers.cs

@@ -19,13 +19,15 @@ namespace MewtocolNet {
 
         #region Byte and string operation helpers
 
-        public static int DetermineTypeByteSize(this Type type) {
+        public static int DetermineTypeByteIntialSize(this Type type) {
 
             //enums can only be of numeric types
             if (type.IsEnum) return Marshal.SizeOf(Enum.GetUnderlyingType(type));
 
             //strings get always set with 4 bytes because the first 4 bytes contain the length
             if (type == typeof(string)) return 4;
+            if (type == typeof(TimeSpan)) return 4;
+            if (type == typeof(DateTime)) return 4;
 
             if (type.Namespace.StartsWith("System")) return Marshal.SizeOf(type);
 
@@ -157,6 +159,15 @@ namespace MewtocolNet {
 
         }
 
+        public static string Ellipsis(this string str, int maxLength) {
+
+            if (string.IsNullOrEmpty(str) || str.Length <= maxLength)
+                return str;
+
+            return  $"{str.Substring(0, maxLength - 3)}...";
+        
+        }
+
         /// <summary>
         /// Converts a hex string (AB01C1) to a byte array
         /// </summary>

MewtocolNet/InternalEnums/DynamicSizeState.cs

@@ -1,17 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Text;
-
-namespace MewtocolNet {
-
-    [Flags]
-    internal enum DynamicSizeState {
-
-        None = 0,
-        DynamicallySized = 1,
-        NeedsSizeUpdate = 2,
-        WasSizeUpdated = 4,
-
-    }
-
-}

MewtocolNet/Mewtocol.cs

@@ -1,11 +1,12 @@
-using MewtocolNet.Exceptions;
+using MewtocolNet.RegisterAttributes;
-using MewtocolNet.RegisterAttributes;
+using MewtocolNet.RegisterBuilding;
 using MewtocolNet.SetupClasses;
 using System;
 using System.Collections.Generic;
 using System.IO.Ports;
 using System.Linq;
 using System.Net;
+using System.Threading.Tasks;
 
 namespace MewtocolNet {
 
@@ -96,7 +97,7 @@ namespace MewtocolNet {
             var portnames = SerialPort.GetPortNames();
 
             if (!portnames.Any(x => x == portName))
-                throw new MewtocolException($"The port {portName} is no valid port");
+                throw new NotSupportedException($"The port {portName} is no valid port");
 
         }
 
@@ -265,6 +266,32 @@ namespace MewtocolNet {
 
             }
 
+            /// <summary>
+            /// A builder for attaching register collections
+            /// </summary>
+            public PostInit<T> WithRegisters(Action<RBuildMult> builder) {
+
+                try {
+
+                    var plc = (MewtocolInterface)(object)intf;
+                    var assembler = new RegisterAssembler(plc);
+                    var regBuilder = new RBuildMult(plc);
+
+                    builder.Invoke(regBuilder);
+
+                    var registers = assembler.AssembleAll(regBuilder);
+                    plc.AddRegisters(registers.ToArray());
+
+                    return this;
+
+                } catch {
+
+                    throw;
+
+                }
+
+            }
+
             /// <summary>
             /// Builds and returns the final plc interface
             /// </summary>

MewtocolNet/MewtocolInterface.cs

@@ -1,4 +1,5 @@
-using MewtocolNet.Helpers;
+using MewtocolNet.Events;
+using MewtocolNet.Helpers;
 using MewtocolNet.Logging;
 using MewtocolNet.Registers;
 using MewtocolNet.UnderlyingRegisters;
@@ -17,6 +18,22 @@ namespace MewtocolNet {
 
     public abstract partial class MewtocolInterface : IPlc {
 
+        #region Events
+
+        /// <inheritdoc/>
+        public event PlcConnectionEventHandler Connected;
+
+        /// <inheritdoc/>
+        public event PlcConnectionEventHandler Disconnected;
+
+        /// <inheritdoc/>
+        public event RegisterChangedEventHandler RegisterChanged;
+
+        /// <inheritdoc/>
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        #endregion
+
         #region Private fields
 
         private protected Stream stream;
@@ -40,6 +57,7 @@ namespace MewtocolNet {
         private protected Stopwatch speedStopwatchDownstr;
         private protected Task firstPollTask = new Task(() => { });
 
+        private protected bool wasInitialStatusReceived;
         private protected MewtocolVersion mewtocolVersion;
 
         #endregion
@@ -56,18 +74,6 @@ namespace MewtocolNet {
 
         #region Public Read Only Properties / Fields
 
-        /// <inheritdoc/>
-        public event Action<PLCInfo> Connected;
-
-        /// <inheritdoc/>
-        public event Action Disconnected;
-
-        /// <inheritdoc/>
-        public event Action<IRegister> RegisterChanged;
-
-        /// <inheritdoc/>
-        public event PropertyChangedEventHandler PropertyChanged;
-
         /// <inheritdoc/>
         public bool Disposed { get; private set; }
 
@@ -143,7 +149,7 @@ namespace MewtocolNet {
             Connected += MewtocolInterface_Connected;
             RegisterChanged += OnRegisterChanged;
 
-            void MewtocolInterface_Connected(PLCInfo obj) {
+            void MewtocolInterface_Connected(object sender, PlcConnectionArgs args) {
 
                 if (usePoller)
                     AttachPoller();
@@ -154,29 +160,48 @@ namespace MewtocolNet {
 
         }
 
-        private void OnRegisterChanged(IRegister o) {
+        private void OnRegisterChanged(object sender, RegisterChangedArgs args) {
 
-            var asInternal = (Register)o;
+            var asInternal = (Register)args.Register;
+
+            //log
+            if(IsConnected) {
 
                 var sb = new StringBuilder();
+
                 sb.Append(asInternal.GetMewName());
                 if (asInternal.Name != null) {
-                sb.Append(asInternal.autoGenerated ? $" (Auto)" : $" ({o.Name})");
+                    sb.Append(asInternal.autoGenerated ? $" (Auto)" : $" ({asInternal.Name})");
                 }
                 sb.Append($" {asInternal.underlyingSystemType.Name}");
-            sb.Append($" changed to \"{asInternal.GetValueString()}\"");
+                sb.Append($" changed \"{args.PreviousValueString.Ellipsis(25)}\"" +
+                          $" => \"{asInternal.GetValueString().Ellipsis(75)}\"");
 
                 Logger.Log(sb.ToString(), LogLevel.Change, this);
 
-            OnRegisterChangedUpdateProps((Register)o);
+            }
+
+            OnRegisterChangedUpdateProps(asInternal);
 
         }
 
         /// <inheritdoc/>
         public virtual async Task ConnectAsync() {
 
+            isConnectingStage = false;
+
             await memoryManager.OnPlcConnected();
 
+            Logger.Log($"PLC:       {PlcInfo.TypeName}", LogLevel.Verbose, this);
+            Logger.Log($"TYPE CODE: {PlcInfo.TypeCode.ToString("X")}", LogLevel.Verbose, this);
+            Logger.Log($"OP MODE:   {PlcInfo.OperationMode}", LogLevel.Verbose, this);
+            Logger.Log($"PROG CAP:  {PlcInfo.ProgramCapacity}k", LogLevel.Verbose, this);
+            Logger.Log($"HW INFO:   {PlcInfo.HardwareInformation}", LogLevel.Verbose, this);
+            Logger.Log($"DIAG ERR:  {PlcInfo.SelfDiagnosticError}", LogLevel.Verbose, this);
+            Logger.Log($"CPU VER:   {PlcInfo.CpuVersion}", LogLevel.Verbose, this);
+
+            Logger.Log($">> Intial connection end <<", LogLevel.Verbose, this);
+
         }
 
         /// <inheritdoc/>
@@ -220,6 +245,9 @@ namespace MewtocolNet {
         /// <inheritdoc/>
         public async Task<MewtocolFrameResponse> SendCommandAsync(string _msg, bool withTerminator = true, int timeoutMs = -1, Action<double> onReceiveProgress = null) {
 
+            if (!IsConnected && !isConnectingStage)
+                throw new NotSupportedException("The device must be connected to send a message");
+
             //send request
             queuedMessages++;
 
@@ -468,11 +496,10 @@ namespace MewtocolNet {
         private protected virtual void OnConnected(PLCInfo plcinf) {
 
             Logger.Log("Connected to PLC", LogLevel.Info, this);
-            Logger.Log($"{plcinf.ToString()}", LogLevel.Verbose, this);
 
             IsConnected = true;
 
-            Connected?.Invoke(plcinf);
+            Connected?.Invoke(this, new PlcConnectionArgs());
 
             if (!usePoller) {
                 firstPollTask.RunSynchronously();
@@ -493,11 +520,12 @@ namespace MewtocolNet {
             BytesPerSecondDownstream = 0;
             BytesPerSecondUpstream = 0;
             PollerCycleDurationMs = 0;
+            PlcInfo = null; 
 
             IsConnected = false;
             ClearRegisterVals();
 
-            Disconnected?.Invoke();
+            Disconnected?.Invoke(this, new PlcConnectionArgs());
             KillPoller();
 
         }

MewtocolNet/MewtocolInterfaceRegisterHandling.cs

@@ -1,4 +1,5 @@
-using MewtocolNet.Logging;
+using MewtocolNet.Events;
+using MewtocolNet.Logging;
 using MewtocolNet.RegisterAttributes;
 using MewtocolNet.RegisterBuilding;
 using MewtocolNet.Registers;
@@ -210,19 +211,19 @@ namespace MewtocolNet {
                         if (attr is RegisterAttribute cAttribute) {
 
                             var pollFreqAttr = (PollLevelAttribute)attributes.FirstOrDefault(x => x.GetType() == typeof(PollLevelAttribute));
+                            var stringHintAttr = (StringHintAttribute)attributes.FirstOrDefault(x => x.GetType() == typeof(StringHintAttribute));
 
                             var dotnetType = prop.PropertyType;
                             int pollLevel = 1;
+                            uint? byteHint = (uint?)stringHintAttr?.size;
 
                             if (pollFreqAttr != null) pollLevel = pollFreqAttr.pollLevel;
 
                             //add builder item
                             var stp1 = regBuild
-                            .AddressFromAttribute(cAttribute.MewAddress, cAttribute.TypeDef)
+                            .AddressFromAttribute(cAttribute.MewAddress, cAttribute.TypeDef, collection, prop, byteHint)
                             .AsType(dotnetType.IsEnum ? dotnetType.UnderlyingSystemType : dotnetType)
-                            .PollLevel(pollLevel)
+                            .PollLevel(pollLevel);
-                            .RegCollection(collection)
-                            .BoundProp(prop);
 
                         }
 
@@ -235,7 +236,7 @@ namespace MewtocolNet {
                     collection.OnInterfaceLinked(this);
                 }
 
-                Connected += (i) => {
+                Connected += (s,e) => {
                     if (collection != null)
                         collection.OnInterfaceLinkedAndOnline(this);
                 };
@@ -280,6 +281,9 @@ namespace MewtocolNet {
 
             memoryManager.LinkAndMergeRegisters(registers);
 
+            //run a second iteration
+            //memoryManager.LinkAndMergeRegisters();
+
         }
 
         private bool CheckDuplicateRegister(Register instance, out Register foundDupe) {
@@ -383,9 +387,14 @@ namespace MewtocolNet {
 
         }
 
-        internal void InvokeRegisterChanged(Register reg) {
+        internal void InvokeRegisterChanged(Register reg, object preValue, string preValueString) {
 
-            RegisterChanged?.Invoke(reg);
+            RegisterChanged?.Invoke(this, new RegisterChangedArgs {
+                Register = reg,
+                PreviousValue = preValue,
+                PreviousValueString = preValueString,
+                Value = reg.Value,
+            });
 
         }
 

MewtocolNet/MewtocolInterfaceRequests.cs

@@ -1,14 +1,16 @@
-using MewtocolNet.Exceptions;
 using MewtocolNet.Logging;
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Net.Sockets;
 using System.Threading.Tasks;
 
 namespace MewtocolNet {
 
     public abstract partial class MewtocolInterface {
 
+        internal bool isConnectingStage = false;
+
         internal int maxDataBlocksPerWrite = 8;
 
         #region PLC info getters
@@ -17,20 +19,26 @@ namespace MewtocolNet {
         /// Gets generic information about the PLC
         /// </summary>
         /// <returns>A PLCInfo class</returns>
-        public async Task<PLCInfo?> GetPLCInfoAsync(int timeout = -1) {
+        public async Task<PLCInfo> GetPLCInfoAsync(int timeout = -1) {
 
-            var resRT = await SendCommandAsync("%EE#RT", timeoutMs: timeout);
+            MewtocolFrameResponse resRT = await SendCommandAsync("%EE#RT", timeoutMs: timeout);
 
             if (!resRT.Success) {
 
-                //timeouts are ok and dont throw
+                //timeouts are ok and don't throw
                 if (resRT == MewtocolFrameResponse.Timeout) return null;
 
-                throw new MewtocolException(resRT.Error);
+                throw new Exception(resRT.Error);
 
             }
 
-            var resEXRT = await SendCommandAsync("%EE#EX00RT00", timeoutMs: timeout);
+            MewtocolFrameResponse? resEXRT = null;
+
+            if(isConnectingStage) {
+
+                resEXRT = await SendCommandAsync("%EE#EX00RT00", timeoutMs: timeout);
+
+            }
 
             //timeouts are ok and dont throw
             if (!resRT.Success && resRT == MewtocolFrameResponse.Timeout) return null;
@@ -40,20 +48,27 @@ namespace MewtocolNet {
             //dont overwrite, use first
             if (!PLCInfo.TryFromRT(resRT.Response, out plcInf)) {
 
-                throw new MewtocolException("The RT message could not be parsed");
+                throw new Exception("The RT message could not be parsed");
 
             }
 
-            //overwrite first with EXRT
+            //overwrite first with EXRT only on connecting stage
-            if (resEXRT.Success && !plcInf.TryExtendFromEXRT(resEXRT.Response)) {
+            if (isConnectingStage && resEXRT != null && resEXRT.Value.Success && !plcInf.TryExtendFromEXRT(resEXRT.Value.Response)) {
 
-                throw new MewtocolException("The EXRT message could not be parsed");
+                throw new Exception("The EXRT message could not be parsed");
 
             } 
 
+            if(isConnectingStage) {
+                //set the intial obj
                 PlcInfo = plcInf;
+            } else {
+                //update the obj with RT dynamic values only
+                PlcInfo.SelfDiagnosticError = plcInf.SelfDiagnosticError;   
+                PlcInfo.OperationMode = plcInf.OperationMode;
+            }
 
-            return plcInf;
+            return PlcInfo;
 
         }
 
@@ -93,9 +108,6 @@ namespace MewtocolNet {
         /// <returns></returns>
         public async Task<bool> WriteByteRange(int start, byte[] byteArr) {
 
-            if (!IsConnected)
-                throw MewtocolException.NotConnectedSend();
-
             string byteString = byteArr.ToHexString();
 
             var wordLength = byteArr.Length / 2;
@@ -121,11 +133,6 @@ namespace MewtocolNet {
         /// <returns>A byte array of the requested DT area</returns>
         public async Task<byte[]> ReadByteRangeNonBlocking(int start, int byteCount, Action<double> onProgress = null) {
 
-            if (!IsConnected)
-                throw MewtocolException.NotConnectedSend();
-
-            onProgress += (p) => Console.WriteLine($"{p * 100:N2}%");
-
             //on odd bytes add one word
             var wordLength = byteCount / 2;
             if (byteCount % 2 != 0) wordLength++;

MewtocolNet/MewtocolInterfaceSerial.cs

@@ -113,7 +113,10 @@ namespace MewtocolNet {
 
             try {
 
-                PLCInfo? gotInfo = null;
+                Logger.Log($">> Intial connection start <<", LogLevel.Verbose, this);
+                isConnectingStage = true;
+
+                PLCInfo gotInfo = null;
 
                 if (autoSerial) {
 
@@ -129,8 +132,9 @@ namespace MewtocolNet {
 
                 if (gotInfo != null) {
 
+                    IsConnected = true;
                     await base.ConnectAsync();
-                    OnConnected(gotInfo.Value);
+                    OnConnected(gotInfo);
 
                 } else {
 
@@ -145,13 +149,15 @@ namespace MewtocolNet {
 
                 OnMajorSocketExceptionWhileConnecting();
 
+                isConnectingStage = false;
+
             }
 
             tryingSerialConfig -= OnTryConfig;
 
         }
 
-        private async Task<PLCInfo?> TryConnectAsyncMulti() {
+        private async Task<PLCInfo> TryConnectAsyncMulti() {
 
             var baudRates = Enum.GetValues(typeof(BaudRate)).Cast<BaudRate>();
 
@@ -197,7 +203,7 @@ namespace MewtocolNet {
 
         }
 
-        private async Task<PLCInfo?> TryConnectAsyncSingle(string port, int baud, int dbits, Parity par, StopBits sbits) {
+        private async Task<PLCInfo> TryConnectAsyncSingle(string port, int baud, int dbits, Parity par, StopBits sbits) {
 
             try {
 

MewtocolNet/MewtocolInterfaceTcp.cs

@@ -1,4 +1,3 @@
-using MewtocolNet.Exceptions;
 using MewtocolNet.Logging;
 using System;
 using System.Net;
@@ -34,7 +33,7 @@ namespace MewtocolNet {
         public void ConfigureConnection(string ip, int port = 9094, int station = 0xEE) {
 
             if (!IPAddress.TryParse(ip, out ipAddr))
-                throw new MewtocolException($"The ip: {ip} is no valid ip address");
+                throw new NotSupportedException($"The ip: {ip} is no valid ip address");
 
             if (stationNumber != 0xEE && stationNumber > 99)
                 throw new NotSupportedException("Station number can't be greater than 99");
@@ -66,6 +65,9 @@ namespace MewtocolNet {
 
             try {
 
+                Logger.Log($">> Intial connection start <<", LogLevel.Verbose, this);
+                isConnectingStage = true;
+
                 if (HostEndpoint != null) {
 
                     client = new TcpClient(HostEndpoint) {
@@ -109,9 +111,9 @@ namespace MewtocolNet {
 
                 if (plcinf != null) {
 
+                    IsConnected = true;
                     await base.ConnectAsync();
-
+                    OnConnected(plcinf);
-                    OnConnected(plcinf.Value);
 
                 } else {
 
@@ -125,6 +127,7 @@ namespace MewtocolNet {
             } catch (SocketException) {
 
                 OnMajorSocketExceptionWhileConnecting();
+                isConnectingStage = false;
 
             } 
 

MewtocolNet/PLCInfo.cs

@@ -1,4 +1,6 @@
-using System.Globalization;
+using System.ComponentModel;
+using System.Globalization;
+using System.Runtime.CompilerServices;
 using System.Text.RegularExpressions;
 
 namespace MewtocolNet {
@@ -6,43 +8,85 @@ namespace MewtocolNet {
     /// <summary>
     /// Holds various informations about the PLC
     /// </summary>
-    public struct PLCInfo {
+    public class PLCInfo : INotifyPropertyChanged {
+
+        private PlcType typeCode;
+        private string typeName;
+        private OPMode operationMode;
+        private HWInformation hardwareInformation;
+        private string selfDiagnosticError;
        
         /// <summary>
         /// The type of the PLC named by Panasonic
         /// </summary>
-        public PlcType TypeCode { get; private set; }
+        public PlcType TypeCode {
+            get => typeCode;
+            internal set {
+                typeCode = value;
+                OnPropChange();
+                //update name
+                typeName = typeCode.ToName();
+                OnPropChange(nameof(TypeName));
+            }
+        }
 
         /// <summary>
-        /// Contains information about the PLCs operation modes as flags
+        /// The full qualified name of the PLC 
         /// </summary>
-        public OPMode OperationMode { get; private set; }
+        public string TypeName => typeName;
-
-        /// <summary>
-        /// Hardware information flags about the PLC
-        /// </summary>
-        public HWInformation HardwareInformation { get; private set; }
 
         /// <summary>
         /// Program capacity in 1K steps
         /// </summary>
-        public int ProgramCapacity { get; private set; }
+        public int ProgramCapacity { get; internal set; }
 
         /// <summary>
         /// Version of the cpu
         /// </summary>
-        public string CpuVersion { get; private set; }
+        public string CpuVersion { get; internal set; }
+
+        /// <summary>
+        /// Contains information about the PLCs operation modes as flags
+        /// </summary>
+        public OPMode OperationMode { 
+            get => operationMode; 
+            internal set {
+                operationMode = value;
+                OnPropChange();
+                OnPropChange(nameof(IsRunMode));
+            }
+        }
+
+        /// <summary>
+        /// Hardware information flags about the PLC
+        /// </summary>
+        public HWInformation HardwareInformation { 
+            get => hardwareInformation; 
+            internal set {
+                hardwareInformation = value;
+                OnPropChange();
+
+            }
+        }
 
         /// <summary>
         /// Current error code of the PLC
         /// </summary>
-        public string SelfDiagnosticError { get; internal set; }
+        public string SelfDiagnosticError { 
+            get => selfDiagnosticError; 
+            internal set {
+                selfDiagnosticError = value;
+                OnPropChange();
+            }
+        }
 
         /// <summary>
         /// Quickcheck for the runmode flag
         /// </summary>
         public bool IsRunMode => OperationMode.HasFlag(OPMode.RunMode);
 
+        public event PropertyChangedEventHandler PropertyChanged;
+
         internal bool TryExtendFromEXRT(string msg) {
 
             var regexEXRT = new Regex(@"\%EE\$EX00RT00(?<icnt>..)(?<mc>..)..(?<cap>..)(?<op>..)..(?<flg>..)(?<sdiag>....)(?<ver>..)(?<hwif>..)(?<nprog>.)(?<progsz>....)(?<hdsz>....)(?<sysregsz>....).*", RegexOptions.IgnoreCase);
@@ -114,7 +158,25 @@ namespace MewtocolNet {
 
         public override string ToString() {
 
-            return $"{TypeCode.ToName()}, OP: {OperationMode}";
+            return $"{TypeName}, OP: {OperationMode}";
+
+        }
+
+        public override bool Equals(object obj) {
+
+            if ((obj == null) || !this.GetType().Equals(obj.GetType())) {
+                return false;
+            } else {
+                return (PLCInfo)obj == this;
+            }
+
+        }
+
+        public override int GetHashCode() => GetHashCode();
+
+        private protected void OnPropChange([CallerMemberName] string propertyName = null) {
+
+            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
 
         }
 

MewtocolNet/RegisterAttributes/StringHintAttribute.cs

@@ -0,0 +1,20 @@
+using System;
+
+namespace MewtocolNet.RegisterAttributes {
+    /// <summary>
+    /// Defines a string size hint
+    /// </summary>
+    [AttributeUsage(AttributeTargets.Property, AllowMultiple = false)]
+    public class StringHintAttribute : Attribute {
+
+        internal int size;
+
+        public StringHintAttribute(int size) {
+
+            this.size = size;
+
+        }
+
+    }
+
+}

MewtocolNet/RegisterBuilding/RBuildBase.cs

@@ -305,7 +305,7 @@ namespace MewtocolNet.RegisterBuilding {
             /// <typeparam name="T">
             /// <include file="../Documentation/docs.xml" path='extradoc/class[@name="support-conv-types"]/*' />
             /// </typeparam>
-            public TempRegister<T> AsType<T>(int? sizeHint = null) {
+            public TypedRegister AsType<T>() {
 
                 if (!typeof(T).IsAllowedPlcCastingType()) {
 
@@ -313,10 +313,9 @@ namespace MewtocolNet.RegisterBuilding {
 
                 }
 
-                Data.byteSizeHint = (uint?)sizeHint;
                 Data.dotnetVarType = typeof(T);
 
-                return new TempRegister<T>(Data, builder);
+                return new TypedRegister().Map(this);
 
             }
 
@@ -327,7 +326,7 @@ namespace MewtocolNet.RegisterBuilding {
             /// <param name="type">
             /// <include file="../Documentation/docs.xml" path='extradoc/class[@name="support-conv-types"]/*' />
             /// </param>
-            public TempRegister AsType(Type type) {
+            public TypedRegister AsType(Type type) {
 
                 //was ranged syntax array build
                 if (Data.wasAddressStringRangeBased && type.IsArray && type.GetArrayRank() == 1) {
@@ -344,14 +343,14 @@ namespace MewtocolNet.RegisterBuilding {
 
                     }
 
-                    int byteSizePerItem = elementType.DetermineTypeByteSize();
+                    int byteSizePerItem = elementType.DetermineTypeByteIntialSize();
 
                     //check if it fits without remainder
                     if (Data.byteSizeHint % byteSizePerItem != 0) {
                         throw new NotSupportedException($"The array element type {elementType} doesn't fit into the adress range");
                     }
 
-                    return (TempRegister)generic.Invoke(this, new object[] { 
+                    return (TypedRegister)generic.Invoke(this, new object[] { 
                         //element count
                         new int[] { (int)((Data.byteSizeHint / byteSizePerItem)) }
                     });
@@ -369,9 +368,9 @@ namespace MewtocolNet.RegisterBuilding {
 
                         return AsType(Data.typeDef);
 
-                    } else if ((type.IsArray || type == typeof(string)) && Data.typeDef == null) {
+                    } else if (type.IsArray && Data.typeDef == null) {
 
-                        throw new NotSupportedException("Typedef parameter is needed for array or string types");
+                        throw new NotSupportedException("Typedef parameter is needed for array types");
 
                     } else if (Data.typeDef != null) {
 
@@ -389,18 +388,18 @@ namespace MewtocolNet.RegisterBuilding {
 
                 Data.dotnetVarType = type;
 
-                return new TempRegister(Data, builder);
+                return new TypedRegister().Map(this);
 
             }
 
             /// <summary>
             /// Sets the register type as a predefined <see cref="PlcVarType"/>
             /// </summary>
-            public TempRegister AsType(PlcVarType type) {
+            public TypedRegister AsType(PlcVarType type) {
 
                 Data.dotnetVarType = type.GetDefaultDotnetType();
 
-                return new TempRegister(Data, builder);
+                return new TypedRegister().Map(this);
 
             }
 
@@ -421,10 +420,13 @@ namespace MewtocolNet.RegisterBuilding {
             /// <item><term>DWORD</term><description>32 bit double word interpreted as <see cref="uint"/></description></item>
             /// </list>
             /// </summary>
-            public TempRegister AsType(string type) {
+            public TypedRegister AsType(string type) {
 
-                var stringMatch = Regex.Match(type, @"STRING *\[(?<len>[0-9]*)\]", RegexOptions.IgnoreCase);
+                var regexString = new Regex(@"^STRING *\[(?<len>[0-9]*)\]$", RegexOptions.IgnoreCase);
-                var arrayMatch = Regex.Match(type, @"ARRAY *\[(?<S1>[0-9]*)..(?<E1>[0-9]*)(?:\,(?<S2>[0-9]*)..(?<E2>[0-9]*))?(?:\,(?<S3>[0-9]*)..(?<E3>[0-9]*))?\] *OF {1,}(?<t>.*)", RegexOptions.IgnoreCase);
+                var regexArray = new Regex(@"^ARRAY *\[(?<S1>[0-9]*)..(?<E1>[0-9]*)(?:\,(?<S2>[0-9]*)..(?<E2>[0-9]*))?(?:\,(?<S3>[0-9]*)..(?<E3>[0-9]*))?\] *OF {1,}(?<t>.*)$", RegexOptions.IgnoreCase);
+
+                var stringMatch = regexString.Match(type);
+                var arrayMatch = regexArray.Match(type);
 
                 if (Enum.TryParse<PlcVarType>(type, out var parsed)) {
 
@@ -440,10 +442,26 @@ namespace MewtocolNet.RegisterBuilding {
                     //invoke generic AsTypeArray
 
                     string arrTypeString = arrayMatch.Groups["t"].Value;
+                    Type dotnetArrType = null;
 
-                    if (Enum.TryParse<PlcVarType>(arrTypeString, out var parsedArrType)) {
+                    var stringMatchInArray = regexString.Match(arrTypeString);
+
+                    if (Enum.TryParse<PlcVarType>(arrTypeString, out var parsedArrType) && parsedArrType != PlcVarType.STRING) {
+
+                        dotnetArrType = parsedArrType.GetDefaultDotnetType();
+
+
+                    } else if (stringMatchInArray.Success) {
+
+                        dotnetArrType = typeof(string);
+                        //Data.byteSizeHint = uint.Parse(stringMatch.Groups["len"].Value);
+
+                    } else {
+
+                        throw new NotSupportedException($"The FP type '{arrTypeString}' was not recognized");
+
+                    }
 
-                        var dotnetArrType = parsedArrType.GetDefaultDotnetType();
                     var indices = new List<int>();
 
                     for (int i = 1; i < 4; i++) {
@@ -465,7 +483,7 @@ namespace MewtocolNet.RegisterBuilding {
                     MethodInfo method = typeof(SAddress).GetMethod(nameof(AsTypeArray));
                     MethodInfo generic = method.MakeGenericMethod(arrType);
 
-                        var tmp = (TempRegister)generic.Invoke(this, new object[] {
+                    var tmp = (TypedRegister)generic.Invoke(this, new object[] {
                         indices.ToArray()
                     });
 
@@ -474,18 +492,13 @@ namespace MewtocolNet.RegisterBuilding {
 
                     return tmp;
 
-                    } else {
-
-                        throw new NotSupportedException($"The FP type '{arrTypeString}' was not recognized");
-                    }
-
                 } else {
 
                     throw new NotSupportedException($"The FP type '{type}' was not recognized");
 
                 }
 
-                return new TempRegister(Data, builder);
+                return new TypedRegister().Map(this);
 
             }
 
@@ -507,7 +520,7 @@ namespace MewtocolNet.RegisterBuilding {
             /// ARRAY [0..2, 0..3, 0..4] OF INT = <c>AsTypeArray&lt;short[,,]&gt;(3,4,5)</c><br/>
             /// ARRAY [5..6, 0..2] OF DWORD = <c>AsTypeArray&lt;DWord[,]&gt;(2, 3)</c><br/>
             /// </example>
-            public TempRegister AsTypeArray<T>(params int[] indicies) {
+            public TypedRegister AsTypeArray<T>(params int[] indicies) {
 
                 if (!typeof(T).IsArray)
                     throw new NotSupportedException($"The type {typeof(T)} was no array");
@@ -526,7 +539,7 @@ namespace MewtocolNet.RegisterBuilding {
 
                 Data.dotnetVarType = typeof(T);
 
-                int byteSizePerItem = elBaseType.DetermineTypeByteSize();
+                int byteSizePerItem = elBaseType.DetermineTypeByteIntialSize();
                 int calcedTotalByteSize = indicies.Aggregate((a, x) => a * x) * byteSizePerItem;
 
                 Data.byteSizeHint = (uint)calcedTotalByteSize;
@@ -536,7 +549,31 @@ namespace MewtocolNet.RegisterBuilding {
                     throw new NotSupportedException($"The array element type {elBaseType} doesn't fit into the adress range");
                 }
 
-                return new TempRegister(Data, builder);
+                return new TypedRegister().Map(this);
+
+            }
+
+        }
+
+        #endregion
+
+        #region Typing size hint
+
+        public class TypedRegister : SBase {
+
+            public OptionsRegister SizeHint(int hint) {
+
+                Data.byteSizeHint = (uint)hint;
+
+                return new OptionsRegister().Map(this);
+
+            }
+
+            public OptionsRegister PollLevel(int level) {
+
+                Data.pollLevel = level;
+
+                return new OptionsRegister().Map(this); 
 
             }
 
@@ -546,36 +583,19 @@ namespace MewtocolNet.RegisterBuilding {
 
         #region Options stage
 
-        public class TempRegister<T> : SBase {
+        public class OptionsRegister : SBase {
 
-            internal TempRegister() { }
+            internal OptionsRegister() { }
 
-            internal TempRegister(StepData data, RBuildBase bldr) : base(data, bldr) { }
+            internal OptionsRegister(StepData data, RBuildBase bldr) : base(data, bldr) { }
 
             /// <summary>
             /// Sets the poll level of the register
             /// </summary>
-            public TempRegister<T> PollLevel(int level) {
+            public OptionsRegister PollLevel(int level) {
 
                 Data.pollLevel = level;
-                return this;
 
-            }
-
-        }
-
-        public class TempRegister : SBase {
-
-            internal TempRegister() { }
-
-            internal TempRegister(StepData data, RBuildBase bldr) : base(data, bldr) { }
-
-            /// <summary>
-            /// Sets the poll level of the register
-            /// </summary>
-            public TempRegister PollLevel(int level) {
-
-                Data.pollLevel = level;
                 return this;    
 
             }

MewtocolNet/RegisterBuilding/RBuildMult.cs

@@ -34,11 +34,16 @@ namespace MewtocolNet.RegisterBuilding {
         }
 
         //internal use only, adds a type definition (for use when building from attibute)
-        internal SAddress AddressFromAttribute(string plcAddrName, string typeDef) {
+        internal SAddress AddressFromAttribute(string plcAddrName, string typeDef, RegisterCollection regCol, PropertyInfo prop, uint? bytesizeHint = null) {
 
             var built = Address(plcAddrName);
+            
             built.Data.typeDef = typeDef;
             built.Data.buildSource = RegisterBuildSource.Attribute;
+            built.Data.regCollection = regCol;
+            built.Data.boundProperty = prop;
+            built.Data.byteSizeHint = bytesizeHint; 
+
             return built;
 
         }
@@ -49,15 +54,38 @@ namespace MewtocolNet.RegisterBuilding {
 
         public new class SAddress : RBuildBase.SAddress {
 
-            public new TempRegister<T> AsType<T>(int? sizeHint = null) => new TempRegister<T>().Map(base.AsType<T>(sizeHint));
+            public new TypedRegister AsType<T>() => new TypedRegister().Map(base.AsType<T>());
 
-            public new TempRegister AsType(Type type) => new TempRegister().Map(base.AsType(type));
+            public new TypedRegister AsType(Type type) => new TypedRegister().Map(base.AsType(type));
 
-            public new TempRegister AsType(PlcVarType type) => new TempRegister().Map(base.AsType(type));
+            public new TypedRegister AsType(PlcVarType type) => new TypedRegister().Map(base.AsType(type));
 
-            public new TempRegister AsType(string type) => new TempRegister().Map(base.AsType(type));
+            public new TypedRegister AsType(string type) => new TypedRegister().Map(base.AsType(type));
 
-            public new TempRegister AsTypeArray<T>(params int[] indicies) => new TempRegister().Map(base.AsTypeArray<T>(indicies));
+            public new TypedRegister AsTypeArray<T>(params int[] indicies) => new TypedRegister().Map(base.AsTypeArray<T>(indicies));
+
+
+        }
+
+        #endregion
+
+        #region Typing size hint
+
+        public new class TypedRegister : RBuildBase.TypedRegister {
+
+            public new OptionsRegister SizeHint(int hint) => new OptionsRegister().Map(base.SizeHint(hint));
+
+            ///<inheritdoc cref="RBuildBase.OptionsRegister.PollLevel(int)"/>
+            public new OutRegister PollLevel(int level) => new OutRegister().Map(base.PollLevel(level));
+
+            /// <summary>
+            /// Outputs the generated <see cref="IRegister"/>
+            /// </summary>
+            public void Out(Action<IRegister> registerOut) {
+
+                Data.registerOut = registerOut;
+
+            }
 
         }
 
@@ -65,58 +93,17 @@ namespace MewtocolNet.RegisterBuilding {
 
         #region Options stage
 
-        public new class TempRegister<T> : RBuildBase.TempRegister<T> {
+        public new class OptionsRegister : RBuildBase.OptionsRegister {
 
-            internal TempRegister() { }
+            ///<inheritdoc cref="RBuildBase.OptionsRegister.PollLevel(int)"/>
-
+            public new OutRegister PollLevel(int level) => new OutRegister().Map(base.PollLevel(level));
-            internal TempRegister(StepData data, RBuildBase bldr) : base(data, bldr) { }
-
-            ///<inheritdoc cref="RBuildBase.TempRegister.PollLevel(int)"/>
-            public new TempRegister<T> PollLevel(int level) => new TempRegister<T>().Map(base.PollLevel(level));
 
             /// <summary>
             /// Outputs the generated <see cref="IRegister"/>
             /// </summary>
-            public TempRegister<T> Out(Action<IRegister> registerOut) {
+            public void Out(Action<IRegister> registerOut) {
 
                 Data.registerOut = registerOut;
-                return this;
-
-            }
-
-        }
-
-        public new class TempRegister : RBuildBase.TempRegister {
-
-            internal TempRegister() { }
-
-            internal TempRegister(StepData data, RBuildBase bldr) : base(data, bldr) { }
-
-            ///<inheritdoc cref="RBuildBase.TempRegister.PollLevel(int)"/>
-            public new TempRegister PollLevel(int level) => new TempRegister().Map(base.PollLevel(level));
-
-            /// <summary>
-            /// Outputs the generated <see cref="IRegister"/>
-            /// </summary>
-            public TempRegister Out(Action<IRegister> registerOut) {
-
-                Data.registerOut = registerOut;
-                return this;
-
-            }
-
-            //internal use only
-            internal TempRegister RegCollection(RegisterCollection col) {
-
-                Data.regCollection = col;
-                return this;
-
-            }
-
-            internal TempRegister BoundProp(PropertyInfo prop) {
-
-                Data.boundProperty = prop;
-                return this;
 
             }
 
@@ -124,6 +111,19 @@ namespace MewtocolNet.RegisterBuilding {
 
         #endregion
 
+        public class OutRegister : SBase {
+
+            /// <summary>
+            /// Outputs the generated <see cref="IRegister"/>
+            /// </summary>
+            public void Out(Action<IRegister> registerOut) {
+
+                Data.registerOut = registerOut;
+
+            }
+
+        }
+
     }
 
 }

MewtocolNet/RegisterBuilding/RegBuilderExtensions.cs

@@ -25,32 +25,6 @@ namespace MewtocolNet.RegisterBuilding {
 
             interf.AddRegisters(registers.ToArray());
 
-            Task.Run(interf.memoryManager.CheckAllDynamicallySizedAreas);
-
-            return registers.First();
-
-        }
-
-        /// <summary>
-        /// Adds a single register to the plc stack and returns the generated <see cref="IRegister"/>
-        /// Waits
-        /// </summary>
-        /// <returns>The generated <see cref="IRegister"/></returns>
-        public static async Task<IRegister> AddRegisterAsync (this IPlc plc, Action<RBuildSingle> builder) {
-
-            var assembler = new RegisterAssembler((MewtocolInterface)plc);
-            var regBuilder = new RBuildSingle((MewtocolInterface)plc);
-
-            builder.Invoke(regBuilder);
-
-            var registers = assembler.AssembleAll(regBuilder);
-
-            var interf = (MewtocolInterface)plc;
-
-            interf.AddRegisters(registers.ToArray());
-
-            await interf.memoryManager.CheckAllDynamicallySizedAreas();
-
             return registers.First();
 
         }
@@ -77,33 +51,6 @@ namespace MewtocolNet.RegisterBuilding {
 
             interf.AddRegisters(registers.ToArray());
 
-            Task.Run(interf.memoryManager.CheckAllDynamicallySizedAreas);
-
-            return plc;
-
-        }
-
-        /// <summary>
-        /// Adds multiple registers to the plc stack at once <br/>
-        /// Using this over adding each register individually will result in better generation time performance
-        /// of the <see cref="UnderlyingRegisters.MemoryAreaManager"/><br/><br/>
-        /// This waits for the memory manager to size all dynamic registers correctly
-        /// </summary>
-        public static async Task<IPlc> AddRegistersAsync (this IPlc plc, Action<RBuildMult> builder) {
-
-            var assembler = new RegisterAssembler((MewtocolInterface)plc);
-            var regBuilder = new RBuildMult((MewtocolInterface)plc);
-
-            builder.Invoke(regBuilder);
-
-            var registers = assembler.AssembleAll(regBuilder);
-
-            var interf = (MewtocolInterface)plc;
-
-            interf.AddRegisters(registers.ToArray());
-
-            await interf.memoryManager.CheckAllDynamicallySizedAreas();
-
             return plc;
 
         }

MewtocolNet/RegisterBuilding/RegisterAssembler.cs

@@ -1,5 +1,4 @@
-using MewtocolNet.Exceptions;
+using MewtocolNet.RegisterAttributes;
-using MewtocolNet.RegisterAttributes;
 using MewtocolNet.Registers;
 using System;
 using System.Collections.Generic;
@@ -50,7 +49,7 @@ namespace MewtocolNet.RegisterBuilding {
 
                 Type elementType = data.dotnetVarType.GetElementType();
 
-                uint numericSizePerElement = (uint)elementType.DetermineTypeByteSize();
+                uint numericSizePerElement = (uint)elementType.DetermineTypeByteIntialSize();
 
                 if (elementType.IsEnum && numericSizePerElement > 4) {
                     if (data.boundProperty != null) {
@@ -60,25 +59,10 @@ namespace MewtocolNet.RegisterBuilding {
                     }
                 }
 
-                var sizeStateFlags = DynamicSizeState.None;
-
-                //string with size hint
-                if (elementType == typeof(string) && data.perElementByteSizeHint != null) {
-
-                    numericSizePerElement = (uint)data.byteSizeHint + 4;
-                    sizeStateFlags = DynamicSizeState.DynamicallySized | DynamicSizeState.WasSizeUpdated;
-
-                } else if (elementType == typeof(string)) {
-
-                    sizeStateFlags = DynamicSizeState.DynamicallySized | DynamicSizeState.NeedsSizeUpdate;
-
-                }
-
                 var parameters = new object[] { 
                     data.memAddress, 
                     data.byteSizeHint,
                     data.arrayIndicies, 
-                    sizeStateFlags,
                     data.name 
                 };
 
@@ -89,7 +73,6 @@ namespace MewtocolNet.RegisterBuilding {
                     typeof(uint), 
                     typeof(uint), 
                     typeof(int[]), 
-                    typeof(DynamicSizeState), 
                     typeof(string)
                 }, null);
 
@@ -107,7 +90,7 @@ namespace MewtocolNet.RegisterBuilding {
                 //-------------------------------------------
                 //as single register
 
-                uint numericSize = (uint)data.dotnetVarType.DetermineTypeByteSize();
+                uint numericSize = (uint)data.dotnetVarType.DetermineTypeByteIntialSize();
 
                 if (data.dotnetVarType.IsEnum && numericSize > 4) {
                     if (data.boundProperty != null) {
@@ -117,17 +100,15 @@ namespace MewtocolNet.RegisterBuilding {
                     }
                 }
 
-                var sizeStateFlags = DynamicSizeState.None;
+                if(data.dotnetVarType == typeof(string)) {
 
-                //string with size hint
+                    if(data.byteSizeHint == null)
-                if(data.dotnetVarType == typeof(string) && data.byteSizeHint != null) {
+                        throw new NotSupportedException($"Can't create a STRING register without a string size hint");
 
-                    numericSize = (uint)data.byteSizeHint + 4;
+                    if(data.byteSizeHint < 0)
-                    sizeStateFlags = DynamicSizeState.DynamicallySized | DynamicSizeState.WasSizeUpdated;
+                        throw new NotSupportedException($"Can't create a STRING register with a string size hint < 0");
 
-                } else if (data.dotnetVarType == typeof(string)) {
+                    numericSize = 4 + data.byteSizeHint.Value;
-
-                    sizeStateFlags = DynamicSizeState.DynamicallySized | DynamicSizeState.NeedsSizeUpdate;
 
                 }
                 
@@ -135,13 +116,12 @@ namespace MewtocolNet.RegisterBuilding {
 
                 Type paramedClass = typeof(SingleRegister<>).MakeGenericType(data.dotnetVarType);
                 ConstructorInfo constr = paramedClass.GetConstructor(flags, null, new Type[] {
-                    typeof(uint), typeof(uint), typeof(DynamicSizeState) ,typeof(string)
+                    typeof(uint), typeof(uint) ,typeof(string)
                 }, null);
 
                 var parameters = new object[] { 
                     data.memAddress, 
                     numericSize, 
-                    sizeStateFlags, 
                     data.name 
                 };
 
@@ -167,7 +147,7 @@ namespace MewtocolNet.RegisterBuilding {
             //finalize set for every
 
             if (generatedInstance == null)
-                throw new MewtocolException("Failed to build register");
+                throw new ArgumentException("Failed to build register");
 
             if (collectionTarget != null)
                 generatedInstance.WithRegisterCollection(collectionTarget);

MewtocolNet/Registers/ArrayRegister.cs

@@ -1,6 +1,6 @@
-using MewtocolNet.Exceptions;
+using System;
-using System;
 using System.Collections;
+using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -12,7 +12,7 @@ namespace MewtocolNet.Registers {
     /// </summary>
     public class ArrayRegister<T> : Register {
 
-        internal int[] indicies;
+        internal int[] indices;
 
         internal uint addressLength;
 
@@ -25,12 +25,11 @@ namespace MewtocolNet.Registers {
         public ArrayRegister() =>
         throw new NotSupportedException("Direct register instancing is not supported, use the builder pattern");
 
-        internal ArrayRegister(uint _address, uint _reservedByteSize, int[] _indicies , DynamicSizeState dynamicSizeSt, string _name = null) {
+        internal ArrayRegister(uint _address, uint _reservedByteSize, int[] _indicies, string _name = null) {
 
             name = _name;
             memoryAddress = _address;
-            dynamicSizeState = dynamicSizeSt;
+            indices = _indicies;   
-            indicies = _indicies;   
 
             //calc mem length 
             //because one register is always 1 word (2 bytes) long, if the bytecount is uneven we get the trailing word too
@@ -50,10 +49,25 @@ namespace MewtocolNet.Registers {
 
             if (Value == null) return "null";
 
+            if(typeof(T) == typeof(byte[])) {
+
                 return ((byte[])Value).ToHexString("-");
 
             }
 
+            StringBuilder sb = new StringBuilder();
+            var valueIenum = (IEnumerable)Value;
+
+            foreach (var el in valueIenum) {
+
+                sb.Append($"{el}, ");
+
+            }
+          
+            return ArrayToString((Array)Value);
+
+        }
+
         /// <inheritdoc/>
         public override string GetRegisterString() => "DT";
 
@@ -63,9 +77,6 @@ namespace MewtocolNet.Registers {
         /// <inheritdoc/>
         public override async Task<bool> WriteAsync(object value) {
 
-            if (!attachedInterface.IsConnected)
-                throw MewtocolException.NotConnectedSend();
-
             var encoded = PlcValueParser.Encode(this, (T)value);
             var res = await attachedInterface.WriteByteRange((int)MemoryAddress, encoded);
 
@@ -90,9 +101,6 @@ namespace MewtocolNet.Registers {
         /// <inheritdoc/>
         public override async Task<object> ReadAsync() {
 
-            if (!attachedInterface.IsConnected)
-                throw MewtocolException.NotConnectedSend();
-
             var res = await attachedInterface.ReadByteRangeNonBlocking((int)MemoryAddress, (int)GetRegisterAddressLen() * 2);
             if (res == null) return null;
 
@@ -110,8 +118,9 @@ namespace MewtocolNet.Registers {
 
             AddSuccessRead();
 
-            var parsed = PlcValueParser.ParseArray<T>(this, indicies, bytes);
+            var parsed = PlcValueParser.ParseArray<T>(this, indices, bytes);
             UpdateHoldingValue(parsed);
+
             return parsed;
 
         }
@@ -127,15 +136,63 @@ namespace MewtocolNet.Registers {
 
             if (changeTriggerBitArr || changeTriggerGeneral) {
 
+                var beforeVal = lastValue;
+                var beforeValStr = GetValueString();
+
                 lastValue = val;
 
                 TriggerNotifyChange();
-                attachedInterface.InvokeRegisterChanged(this);
+                attachedInterface.InvokeRegisterChanged(this, beforeVal, beforeValStr);
 
             }
 
         }
 
+
+        private string ArrayToString(Array array) {
+
+            int rank = array.Rank;
+            int[] lengths = new int[rank];
+            int[] indices = new int[rank];
+            for (int i = 0; i < rank; i++) {
+                lengths[i] = array.GetLength(i);
+            }
+
+            string result = "[";
+            result += ArrayToStringRecursive(array, lengths, indices, 0);
+            result += "]";
+            return result;
+
+        }
+
+        private string ArrayToStringRecursive(Array array, int[] lengths, int[] indices, int dimension) {
+
+            if (dimension == array.Rank - 1) {
+                
+                string result = "[";
+                for (indices[dimension] = 0; indices[dimension] < lengths[dimension]; indices[dimension]++) {
+                    result += array.GetValue(indices).ToString();
+                    if (indices[dimension] < lengths[dimension] - 1) {
+                        result += ",";
+                    }
+                }
+                result += "]";
+                return result;
+
+            } else {
+                string result = "[";
+                for (indices[dimension] = 0; indices[dimension] < lengths[dimension]; indices[dimension]++) {
+                    result += ArrayToStringRecursive(array, lengths, indices, dimension + 1);
+                    if (indices[dimension] < lengths[dimension] - 1) {
+                        result += ",";
+                    }
+                }
+                result += "]";
+                return result;
+            }
+
+        }
+
     }
 
 }

MewtocolNet/Registers/Base/IRegister.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Threading.Tasks;
+using MewtocolNet.Events;
 
 namespace MewtocolNet.Registers {
 
@@ -11,7 +12,7 @@ namespace MewtocolNet.Registers {
         /// <summary>
         /// Gets called whenever the value was changed
         /// </summary>
-        event Action<object> ValueChanged;
+        event RegisterChangedEventHandler ValueChanged;
 
         /// <summary>
         /// Type of the underlying register

MewtocolNet/Registers/Base/Register.cs

@@ -1,4 +1,5 @@
-using MewtocolNet.RegisterAttributes;
+using MewtocolNet.Events;
+using MewtocolNet.RegisterAttributes;
 using MewtocolNet.UnderlyingRegisters;
 using System;
 using System.Collections.Generic;
@@ -14,7 +15,7 @@ namespace MewtocolNet.Registers {
         /// <summary>
         /// Gets called whenever the value was changed
         /// </summary>
-        public event Action<object> ValueChanged;
+        public event RegisterChangedEventHandler ValueChanged;
 
         //links to 
         internal RegisterCollection containedCollection;
@@ -26,8 +27,6 @@ namespace MewtocolNet.Registers {
         internal IMemoryArea underlyingMemory;
         internal bool autoGenerated;
 
-        internal DynamicSizeState dynamicSizeState;
-
         internal object lastValue = null;
         internal string name;
         internal uint memoryAddress;
@@ -73,10 +72,13 @@ namespace MewtocolNet.Registers {
 
             if (lastValue?.ToString() != val?.ToString()) {
 
+                var beforeVal = lastValue;
+                var beforeValStr = GetValueString();
+
                 lastValue = val;
 
                 TriggerNotifyChange();
-                attachedInterface.InvokeRegisterChanged(this);
+                attachedInterface.InvokeRegisterChanged(this, beforeVal, beforeValStr);
 
             }
 

MewtocolNet/Registers/SingleRegister.cs

@@ -1,7 +1,9 @@
-using MewtocolNet.Exceptions;
+using MewtocolNet.Logging;
-using MewtocolNet.Logging;
 using System;
+using System.Collections;
+using System.Drawing;
 using System.Linq;
+using System.Reflection;
 using System.Runtime.InteropServices;
 using System.Text;
 using System.Threading.Tasks;
@@ -14,6 +16,8 @@ namespace MewtocolNet.Registers {
     /// <typeparam name="T">The type of the numeric value</typeparam>
     public class SingleRegister<T> : Register {
 
+        internal uint byteLength;
+
         internal uint addressLength;
 
         /// <summary>
@@ -21,17 +25,15 @@ namespace MewtocolNet.Registers {
         /// </summary>
         public uint AddressLength => addressLength;
 
-
         [Obsolete("Creating registers directly is not supported use IPlc.Register instead")]
         public SingleRegister() =>
         throw new NotSupportedException("Direct register instancing is not supported, use the builder pattern");
 
-        internal SingleRegister(uint _address, uint _reservedByteSize, DynamicSizeState dynamicSizeSt, string _name = null) {
+        internal SingleRegister(uint _address, uint _reservedByteSize, string _name = null) {
 
             memoryAddress = _address;
             name = _name;
-            dynamicSizeState = dynamicSizeSt;
+            Resize(_reservedByteSize);
-            addressLength = _reservedByteSize / 2;
 
             if (_reservedByteSize == 2) RegisterType = RegisterType.DT;
             if(_reservedByteSize == 4) RegisterType = RegisterType.DDT;
@@ -43,6 +45,14 @@ namespace MewtocolNet.Registers {
 
         }
 
+        private void Resize (uint reservedByteSize) {
+
+            addressLength = reservedByteSize / 2;
+            if (reservedByteSize % 2 != 0) addressLength++;
+            byteLength = reservedByteSize;
+
+        }
+
         /// <inheritdoc/>
         public override string GetAsPLC() {
 
@@ -55,27 +65,23 @@ namespace MewtocolNet.Registers {
         /// <inheritdoc/>
         public override string GetValueString() {
 
-            if (Value != null && typeof(T) == typeof(TimeSpan)) {
+            if (Value != null && typeof(T) == typeof(TimeSpan)) return $"{Value} [{((TimeSpan)Value).ToPlcTime()}]";
 
-                return $"{Value} [{((TimeSpan)Value).ToPlcTime()}]";
+            if (Value != null && typeof(T) == typeof(Word)) return $"{Value} [{((Word)Value).ToStringBitsPlc()}]";
 
-            }
+            if (Value != null && typeof(T) == typeof(DWord)) return $"{Value} [{((DWord)Value).ToStringBitsPlc()}]";
 
-            if (Value != null && typeof(T) == typeof(Word)) {
+            var hasFlags = typeof(T).GetCustomAttribute<FlagsAttribute>() != null;
 
-                return $"{Value} [{((Word)Value).ToStringBitsPlc()}]";
+            if (Value != null && typeof(T).IsEnum && !hasFlags) {
-
-            }
-
-            if (Value != null && typeof(T).IsEnum) {
 
                 var underlying = Enum.GetUnderlyingType(typeof(T));
                 object val = Convert.ChangeType(Value, underlying);
-
                 return $"{Value} [{val}]";
-
             } 
             
+            if (Value != null && typeof(T).IsEnum && hasFlags) return $"{Value}";
+
             return Value?.ToString() ?? "null";
 
         }
@@ -86,12 +92,6 @@ namespace MewtocolNet.Registers {
         /// <inheritdoc/>
         public override async Task<bool> WriteAsync(object value) {
 
-            if (!attachedInterface.IsConnected)
-                throw MewtocolException.NotConnectedSend();
-
-            if (dynamicSizeState.HasFlag(DynamicSizeState.DynamicallySized | DynamicSizeState.NeedsSizeUpdate))
-                await UpdateDynamicSize();
-
             var encoded = PlcValueParser.Encode(this, (T)value);
             var res = await attachedInterface.WriteByteRange((int)MemoryAddress, encoded);
 
@@ -116,12 +116,6 @@ namespace MewtocolNet.Registers {
         /// <inheritdoc/>
         public override async Task<object> ReadAsync() {
 
-            if (!attachedInterface.IsConnected)
-                throw MewtocolException.NotConnectedSend();
-
-            if(dynamicSizeState.HasFlag(DynamicSizeState.DynamicallySized | DynamicSizeState.NeedsSizeUpdate))
-                await UpdateDynamicSize();
-
             var res = await attachedInterface.ReadByteRangeNonBlocking((int)MemoryAddress, (int)GetRegisterAddressLen() * 2);
             if (res == null) return null;
 
@@ -132,54 +126,32 @@ namespace MewtocolNet.Registers {
 
                 if (matchingReg is SingleRegister<string> sreg && this is SingleRegister<string> selfSreg) {
                     sreg.addressLength = selfSreg.addressLength;
-                    sreg.dynamicSizeState = DynamicSizeState.DynamicallySized | DynamicSizeState.WasSizeUpdated;
                 }
 
                 matchingReg.underlyingMemory.SetUnderlyingBytes(matchingReg, res);
 
             }
 
-
             return SetValueFromBytes(res);
 
         }
 
-        internal override async Task UpdateDynamicSize() {
+        internal override object SetValueFromBytes (byte[] bytes) {
-
-            if (typeof(T) == typeof(string)) await UpdateDynamicSizeString();
-
-            dynamicSizeState = DynamicSizeState.DynamicallySized | DynamicSizeState.WasSizeUpdated;
-
-        }
-
-        private async Task UpdateDynamicSizeString () {
-
-            Logger.Log($"Calibrating dynamic register ({GetRegisterWordRangeString()}) from PLC source", LogLevel.Verbose, attachedInterface);
-
-            //get the string describer bytes
-            var bytes = await attachedInterface.ReadByteRangeNonBlocking((int)MemoryAddress, 4);
-
-            if (bytes == null || bytes.Length == 0 || bytes.All(x => x == 0x0)) {
-
-                throw new MewtocolException($"The string register ({GetMewName()}{MemoryAddress}) doesn't exist in the PLC program");
-
-            }
 
+            //if string correct the sizing of the byte hint was wrong
+            if (typeof(T) == typeof(string)) {
                 var reservedSize = BitConverter.ToInt16(bytes, 0);
-            var usedSize = BitConverter.ToInt16(bytes, 2);
+                if (reservedSize != byteLength - 4)
-            var wordsSize = Math.Max(0, (uint)(2 + (reservedSize + 1) / 2));
+                    throw new NotSupportedException(
-
+                        $"The STRING register at {GetMewName()} is not correctly sized, " +
-            addressLength = wordsSize;
+                        $"the size should be STRING[{reservedSize}] instead of STRING[{byteLength - 4}]"
-
+                    );
-            CheckAddressOverflow(memoryAddress, wordsSize);
-
             }
 
-        internal override object SetValueFromBytes(byte[] bytes) {
-
             AddSuccessRead();
 
             var parsed = PlcValueParser.Parse<T>(this, bytes);
+
             UpdateHoldingValue(parsed);
             return parsed;
 
@@ -189,11 +161,13 @@ namespace MewtocolNet.Registers {
 
             if (lastValue?.ToString() != val?.ToString()) {
 
-                if (val != null) lastValue = (T)val;
+                var beforeVal = lastValue;
-                else lastValue = null;
+                var beforeValStr = GetValueString();
+
+                lastValue = val;
 
                 TriggerNotifyChange();
-                attachedInterface.InvokeRegisterChanged(this);
+                attachedInterface.InvokeRegisterChanged(this, beforeVal, beforeValStr);
 
             }
 

MewtocolNet/TypeConversion/Conversions.cs

@@ -1,5 +1,4 @@
-using MewtocolNet.Exceptions;
+using MewtocolNet.Registers;
-using MewtocolNet.Registers;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -136,9 +135,11 @@ namespace MewtocolNet.TypeConversion {
                 PlcVarType = PlcVarType.STRING,
                 FromRaw = (reg, bytes) => {
 
-                    if(bytes == null || bytes.Length <= 4) {
+                    if(bytes.Length == 4) return string.Empty;
 
-                        throw new MewtocolException("Failed to convert string bytes, response not long enough");
+                    if(bytes == null || bytes.Length < 4) {
+
+                        throw new Exception("Failed to convert string bytes, response not long enough");
 
                     }
 

MewtocolNet/TypeConversion/PlcValueParser.cs

@@ -1,5 +1,4 @@
-using MewtocolNet.Exceptions;
+using MewtocolNet.Registers;
-using MewtocolNet.Registers;
 using MewtocolNet.TypeConversion;
 using System;
 using System.Collections.Generic;
@@ -30,7 +29,7 @@ namespace MewtocolNet {
             converter = conversions.FirstOrDefault(x => x.GetDotnetType() == underlyingType);
 
             if (converter == null)
-                throw new MewtocolException($"A converter for the dotnet type {underlyingType} doesn't exist");
+                throw new Exception($"A converter for the dotnet type {underlyingType} doesn't exist");
 
             return (T)converter.FromRawData(register, bytes);
 
@@ -55,7 +54,7 @@ namespace MewtocolNet {
             converter = conversions.FirstOrDefault(x => x.GetDotnetType() == underlyingElementType);
 
             if (converter == null)
-                throw new MewtocolException($"A converter for the dotnet type {underlyingElementType} doesn't exist");
+                throw new Exception($"A converter for the dotnet type {underlyingElementType} doesn't exist");
 
             //parse the array from one to n dimensions
             var outArray = Array.CreateInstance(underlyingElementType, indices);
@@ -66,10 +65,10 @@ namespace MewtocolNet {
             
             }
 
-            int sizePerItem = underlyingElementType.DetermineTypeByteSize();
+            int sizePerItem = underlyingElementType.DetermineTypeByteIntialSize();
+
             var iterateItems = indices.Aggregate((a, x) => a * x);
             var indexer = new int[indices.Length];
-
             for (int i = 0; i < iterateItems; i++) {
 
                 int j = i * sizePerItem;    
@@ -150,7 +149,7 @@ namespace MewtocolNet {
             converter = conversions.FirstOrDefault(x => x.GetDotnetType() == underlyingType);
 
             if (converter == null)
-                throw new MewtocolException($"A converter for the type {underlyingType} doesn't exist");
+                throw new Exception($"A converter for the type {underlyingType} doesn't exist");
 
             return converter.ToRawData(register, value);
 

MewtocolNet/TypeConversion/PlcVarTypeConversions.cs

@@ -1,5 +1,4 @@
-using MewtocolNet.Exceptions;
+using MewtocolNet.Registers;
-using MewtocolNet.Registers;
 using System;
 using System.Collections.Generic;
 
@@ -45,7 +44,7 @@ namespace MewtocolNet {
 
             }
 
-            throw new MewtocolException("No default register type found");
+            throw new Exception("No default register type found");
 
         }
 
@@ -59,7 +58,7 @@ namespace MewtocolNet {
 
             }
 
-            throw new MewtocolException("No default plcvar type found");
+            throw new Exception("No default plcvar type found");
 
         }
 

MewtocolNet/UnderlyingRegisters/DTArea.cs

@@ -64,8 +64,6 @@ namespace MewtocolNet.UnderlyingRegisters {
 
         internal async Task<bool> RequestByteReadAsync(ulong addStart, ulong addEnd) {
 
-            await CheckDynamicallySizedRegistersAsync();
-
             var station = mewInterface.GetStationNumber();
 
             string requeststring = $"%{station}#RD{GetMewtocolIdent(addStart, addEnd)}";
@@ -116,22 +114,6 @@ namespace MewtocolNet.UnderlyingRegisters {
 
         }
 
-        internal async Task CheckDynamicallySizedRegistersAsync() {
-
-            //calibrating at runtime sized registers
-            var uncalibratedStringRegisters = managedRegisters
-            .SelectMany(x => x.Linked)
-            .Where(x => x.dynamicSizeState.HasFlag(DynamicSizeState.DynamicallySized | DynamicSizeState.NeedsSizeUpdate))
-            .ToList();
-
-            foreach (var register in uncalibratedStringRegisters)
-                await register.UpdateDynamicSize();
-
-            if (uncalibratedStringRegisters.Count > 0)
-                mewInterface.memoryManager.LinkAndMergeRegisters();
-
-        }
-
         private string GetMewtocolIdent() {
 
             StringBuilder asciistring = new StringBuilder("D");

MewtocolNet/UnderlyingRegisters/MemoryAreaManager.cs

@@ -46,8 +46,7 @@ namespace MewtocolNet.UnderlyingRegisters {
 
         internal async Task OnPlcConnected () {
 
-            //check all area for dynamic sized registers
+            await Task.CompletedTask;
-            await CheckAllDynamicallySizedAreas();
 
         }
 
@@ -64,13 +63,14 @@ namespace MewtocolNet.UnderlyingRegisters {
             }
 
             //maxes the highest poll level for all registers that contain each other
-            registers
+            var ordered = registers
             .OrderByDescending(x => x.GetRegisterAddressLen())
-            .ToList()
+            .ToList();
-            .ForEach(x => x.AveragePollLevel(registers, pollLevelOrMode));
+
+            ordered.ForEach(x => x.AveragePollLevel(registers, pollLevelOrMode));
 
             //insert into area
-            foreach (var reg in registers) {
+            foreach (var reg in ordered) {
 
                 TestPollLevelExistence(reg);
 
@@ -278,7 +278,8 @@ namespace MewtocolNet.UnderlyingRegisters {
             //check if the linked group has duplicate type registers
 
             var dupedTypeReg = existinglinkedGroup.Linked.FirstOrDefault(x => x.IsSameAddressAndType(insertReg));
-            if (dupedTypeReg != null) {
+
+            if (dupedTypeReg != null && insertReg.autoGenerated) {
                 dupedTypeReg.WithBoundProperties(insertReg.boundProperties);
             } else {
                 existinglinkedGroup.Linked.Add(insertReg);
@@ -287,20 +288,6 @@ namespace MewtocolNet.UnderlyingRegisters {
 
         }
 
-        internal async Task CheckAllDynamicallySizedAreas () {
-
-            foreach (var pollLevel in pollLevels.ToArray()) {
-
-                foreach (var area in pollLevel.dataAreas.ToArray()) {
-
-                    await area.CheckDynamicallySizedRegistersAsync();
-
-                }
-
-            }
-
-        }
-
         internal async Task PollAllAreasAsync() {
 
             foreach (var pollLevel in pollLevels) {