Added ability to read registers in a sperate collection class

- multiple bugfixes

Examples/Program.cs

@@ -1,44 +1,101 @@
 using System;
 using System.Threading.Tasks;
+using System.Linq;
 using System.Text.Json;
 using MewtocolNet;
-using MewtocolNet.Responses;
+using MewtocolNet.RegisterAttributes;
+using System.Collections;
+using MewtocolNet.Logging;
 
 namespace Examples {
-    class Program {
-        static void Main(string[] args) { 
 
-            Console.WriteLine("Starting test");
+
+    public class TestRegisters : RegisterCollectionBase {
+
+        //corresponds to a R100 boolean register in the PLC
+        [Register(100, RegisterType.R)]
+        public bool TestBool1 { get; private set; }
+
+        //corresponds to a R100 boolean register in the PLC
+        [Register(RegisterType.X, SpecialAddress.D)]
+        public bool TestBoolInputXD { get; private set; } 
+
+        //corresponds to a DT1101 - DT1104 string register in the PLC with (STRING[4])
+        [Register(1101, 4)]
+        public string TestString1 { get; private set; }
+
+        //corresponds to a DT7000 16 bit int register in the PLC
+        [Register(7000)]
+        public short TestInt16 { get; private set; }
+
+        //corresponds to a DTD7001 - DTD7002 32 bit int register in the PLC
+        [Register(7001)]
+        public int TestInt32 { get; private set; }
+
+        //corresponds to a DTD7001 - DTD7002 32 bit float register in the PLC (REAL)
+        [Register(7003)]
+        public float TestFloat32 { get; private set; }
+
+        //corresponds to a DT7005 - DT7009 string register in the PLC with (STRING[5])
+        [Register(7005, 5)]
+        public string TestString2 { get; private set; }
+
+        //corresponds to a DT7010 as a 16bit word/int and parses the word as single bits
+        [Register(7010)]
+        public BitArray TestBitRegister { get; private set; }
+
+        //corresponds to a DT1204 as a 16bit word/int takes the bit at index 9 and writes it back as a boolean
+        [Register(1204, 9, BitCount.B16)]
+        public bool BitValue { get; private set; }
+
+
+    }
+
+    class Program {
+
+        static void Main(string[] args) { 
 
             Task.Factory.StartNew(async () => {
 
+                //attaching the logger
+                Logger.LogLevel = LogLevel.Critical;
+                Logger.OnNewLogMessage((date, msg) => {
+                    Console.WriteLine($"{date.ToString("HH:mm:ss")} {msg}");
+                });
+                   
+                //setting up a new PLC interface and register collection
                 MewtocolInterface interf = new MewtocolInterface("10.237.191.3");
+                TestRegisters registers = new TestRegisters();
 
-                interf.AddRegister<short>("Cooler Status",1204);
+                //attaching the register collection and an automatic poller
-                interf.AddRegister<string>(1101, 4);
+                interf.WithRegisterCollection(registers).WithPoller();
-
-                interf.WithPoller();
-
-                interf.RegisterChanged += (o) => {
-                    Console.WriteLine($"DT{o.MemoryAdress} {(o.Name != null ? $"({o.Name}) " : "")}changed to {o.GetValueString()}");
-                };
 
                 await interf.ConnectAsync(
                     (plcinf) => {
 
-                        Console.WriteLine("Connected to PLC:\n" + plcinf.ToString());
+                        //reading a value from the register collection
+                        Console.WriteLine($"BitValue is: {registers.BitValue}");
 
-                        //read back a register value
+                        //writing a value to the registers
-                        var statusNum = (NRegister<short>)interf.Registers[1204];
+                        Task.Factory.StartNew(async () => {
-                        Console.WriteLine($"Status num is: {statusNum.Value}");
+
+                            await Task.Delay(2000);
+                            //inverts the boolean register
+                            interf.SetRegister(nameof(registers.TestBool1), !registers.TestBool1);
+                            //adds 10 each time the plc connects to the PLCs INT regíster
+                            interf.SetRegister(nameof(registers.TestInt16), (short)(registers.TestInt16 + 10));
+                            //adds 1 each time the plc connects to the PLCs DINT regíster
+                            interf.SetRegister(nameof(registers.TestInt32), (registers.TestInt32 + 1));
+                            //adds 11.11 each time the plc connects to the PLCs REAL regíster
+                            interf.SetRegister(nameof(registers.TestFloat32), (float)(registers.TestFloat32 + 11.11));
+
+                            interf.SetRegister(nameof(registers.TestString2), new Random().Next(0, 99999).ToString());
+
+                        });
 
-                    },
-                    () => {
-                        Console.WriteLine("Failed connection");
                     }
                 );
 
-
             });
             
             Console.ReadLine();

MewtocolNet/Mewtocol/DynamicInterface.cs

@@ -4,6 +4,7 @@ using System.Linq;
 using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
+using MewtocolNet.Logging;
 using MewtocolNet.Responses;
 
 namespace MewtocolNet {
@@ -15,7 +16,6 @@ namespace MewtocolNet {
 
         internal event Action PolledCycle;
         internal CancellationTokenSource cTokenAutoUpdater;
-        internal bool isWriting;
         internal bool ContinousReaderRunning;
         internal bool usePoller = false;
 
@@ -30,30 +30,49 @@ namespace MewtocolNet {
 
             cTokenAutoUpdater = new CancellationTokenSource();
 
-            Console.WriteLine("Attaching cont reader");
+            Logger.Log("Poller is attaching", LogLevel.Info, this);
 
             Task.Factory.StartNew(async () => {
 
                 var plcinf = await GetPLCInfoAsync();
                 if (plcinf == null) {
-                    Console.WriteLine("PLC is not reachable");
+                    Logger.Log("PLC not reachable, stopping logger", LogLevel.Info, this);
-                    throw new Exception("PLC is not reachable");
+                    return;
                 }
-                if (!plcinf.OperationMode.RunMode) {
+
-                    Console.WriteLine("PLC is not running");
+                PolledCycle += MewtocolInterface_PolledCycle;
-                    throw new Exception("PLC is not running");
+                void MewtocolInterface_PolledCycle () {
+
+                    StringBuilder stringBuilder = new StringBuilder();
+                    foreach (var reg in GetAllRegisters()) {
+                        string address = $"{reg.GetRegisterString()}{reg.GetStartingMemoryArea()}".PadRight(8, (char)32);   
+                        stringBuilder.AppendLine($"{address}{(reg.Name != null ? $" ({reg.Name})" : "")}: {reg.GetValueString()}");
+                    }
+
+                    Logger.Log($"Registers loaded are: \n" +
+                               $"--------------------\n" +
+                               $"{stringBuilder.ToString()}" +
+                               $"--------------------", 
+                               LogLevel.Verbose, this);
+
+                    Logger.Log("Logger did its first cycle successfully", LogLevel.Info, this);
+                    
+                    PolledCycle -= MewtocolInterface_PolledCycle;
                 }
 
                 ContinousReaderRunning = true;
 
                 while (true) {
 
-                    //dont update when currently writing a var
+                    //do priority tasks first
-                    if (isWriting) {
+                    if(PriorityTasks.Count > 0) {
-                        continue;
+
+                        await PriorityTasks.FirstOrDefault(x => !x.IsCompleted);
+
                     }
 
-                    await Task.Delay(pollingDelayMs);
+                    //await Task.Delay(pollingDelayMs);
+
                     foreach (var registerPair in Registers) {
 
                         var reg = registerPair.Value;
@@ -102,7 +121,17 @@ namespace MewtocolNet {
                                 InvokeRegisterChanged(floatReg);
                                 floatReg.TriggerNotifyChange();
                             }
-                        } else if (reg is SRegister stringReg) {
+                        }
+                        if (reg is BRegister boolReg) {
+                            var lastVal = boolReg.Value;
+                            var readout = (await ReadBoolRegister(boolReg, stationNumber)).Register.Value;
+                            if (lastVal != readout) {
+                                boolReg.LastValue = readout;
+                                InvokeRegisterChanged(boolReg);
+                                boolReg.TriggerNotifyChange();
+                            }
+                        }
+                        if (reg is SRegister stringReg) {
                             var lastVal = stringReg.Value;
                             var readout = (await ReadStringRegister(stringReg, stationNumber)).Register.Value;
                             if (lastVal != readout) {
@@ -127,42 +156,68 @@ namespace MewtocolNet {
 
         #region Register Adding
 
+
         /// <summary>
         /// Adds a PLC memory register to the watchlist <para/>
         /// The registers can be read back by attaching <see cref="WithPoller"/>
         /// </summary>
-        /// <typeparam name="T">
-        /// The type of the register translated from C# to IEC 61131-3 types
-        /// <para>C# ------ IEC</para>
-        /// <para>short => INT/WORD</para>
-        /// <para>ushort => UINT</para>
-        /// <para>int => DOUBLE</para>
-        /// <para>uint => UDOUBLE</para>
-        /// <para>float => REAL</para>
-        /// <para>string => STRING</para>
-        /// </typeparam>
         /// <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>
+        /// <param name="_type">
-        public void AddRegister<T> (int _address, int _length = 1) {
+        /// The memory area type
+        /// <para>X = Physical input area (bool)</para>
+        /// <para>Y = Physical input area (bool)</para>
+        /// <para>R = Internal relay area (bool)</para>
+        /// <para>DT = Internal data area (short/ushort)</para>
+        /// <para>DDT = Internal relay area (int/uint)</para>
+        /// </param>
+        /// <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) {
 
-            Type regType = typeof(T);
+            //as number registers
-
+            if (_type == RegisterType.DT_short) {
-            if (regType == typeof(short)) {
+                Registers.Add(_address, new NRegister<short>(_address, _name));
-                Registers.Add(_address, new NRegister<short>(_address));
+                return;
-            } else if (regType == typeof(ushort)) {
-                Registers.Add(_address, new NRegister<ushort>(_address));
-            } else if (regType == typeof(int)) {
-                Registers.Add(_address, new NRegister<int>(_address));
-            } else if (regType == typeof(uint)) {
-                Registers.Add(_address, new NRegister<uint>(_address));
-            } else if (regType == typeof(float)) {
-                Registers.Add(_address, new NRegister<float>(_address));
-            } else if (regType == typeof(string)) {
-                Registers.Add(_address, new SRegister(_address, _length));
-            } else {
-                throw new NotSupportedException($"The type {regType} is not allowed for Registers \n" +
-                                                $"Allowed are: short, ushort, int, uint, float and string");
             }
+            if (_type == RegisterType.DT_ushort) {
+                Registers.Add(_address, new NRegister<ushort>(_address, _name));
+                return;
+            }
+            if (_type == RegisterType.DDT_int) {
+                Registers.Add(_address, new NRegister<int>(_address, _name));
+                return;
+            }
+            if (_type == RegisterType.DDT_uint) {
+                Registers.Add(_address, new NRegister<uint>(_address, _name));
+                return;
+            }
+            if (_type == RegisterType.DDT_float) {
+                Registers.Add(_address, new NRegister<float>(_address, _name));
+                return;
+            }
+
+            //as bool registers
+            Registers.Add(_address, new BRegister(_address, _type, _name));
+
+        }
+
+        /// <summary>
+        /// Adds a PLC memory register to the watchlist <para/>
+        /// The registers can be read back by attaching <see cref="WithPoller"/>
+        /// </summary>
+        /// <param name="_spAddress">The special address of the register in the PLCs memory</param>
+        /// <param name="_type">
+        /// The memory area type
+        /// <para>X = Physical input area (bool)</para>
+        /// <para>Y = Physical input area (bool)</para>
+        /// <para>R = Internal relay area (bool)</para>
+        /// <para>DT = Internal data area (short/ushort)</para>
+        /// <para>DDT = Internal relay area (int/uint)</para>
+        /// </param>
+        /// <param name="_name">A naming definition for QOL, doesn't effect PLC and is optional</param>
+        public void AddRegister (SpecialAddress _spAddress, RegisterType _type, string _name = null) {
+
+            //as bool registers
+            Registers.Add((int)_spAddress, new BRegister(_spAddress, _type, _name));
 
         }
 
@@ -183,22 +238,35 @@ 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>(string _name, int _address, int _length = 1) {
+        public void AddRegister<T>(int _address, int _length = 1, string _name = null, bool _isBitwise = false) {
 
             Type regType = typeof(T);
 
+            if (regType != typeof(string) && _length != 1) {
+                throw new NotSupportedException($"_lenght parameter only allowed for register of type string");
+            }
+
+            if (Registers.Any(x => x.Key == _address)) {
+
+                throw new NotSupportedException($"Cannot add a register multiple times, " +
+                    $"make sure that all register attributes or AddRegister assignments have different adresses.");
+
+            }
+
             if (regType == typeof(short)) {
-                Registers.Add(_address, new NRegister<short>(_address, _name));
+                Registers.Add(_address, new NRegister<short>(_address, _name, _isBitwise));
             } else if (regType == typeof(ushort)) {
                 Registers.Add(_address, new NRegister<ushort>(_address, _name));
             } else if (regType == typeof(int)) {
-                Registers.Add(_address,  new NRegister<int>(_address, _name));
+                Registers.Add(_address,  new NRegister<int>(_address, _name, _isBitwise));
             } else if (regType == typeof(uint)) {
                 Registers.Add(_address,  new NRegister<uint>(_address, _name));
             } else if (regType == typeof(float)) {
                 Registers.Add(_address,  new NRegister<float>(_address, _name));
             } else if (regType == typeof(string)) {
                 Registers.Add(_address,  new SRegister(_address, _length, _name));
+            } else if (regType == typeof(bool)) {
+                Registers.Add(_address, new BRegister(_address, RegisterType.R, _name));
             } else {
                 throw new NotSupportedException($"The type {regType} is not allowed for Registers \n" +
                                                 $"Allowed are: short, ushort, int, uint, float and string");
@@ -208,6 +276,21 @@ namespace MewtocolNet {
 
         #endregion
 
+        #region Register Reading
+
+        /// <summary>
+        /// Gets a list of all added registers
+        /// </summary>
+        public List<Register> GetAllRegisters () {
+
+            return Registers.Values.ToList();
+
+        }
+
+        #endregion
+
+        #region Event Invoking 
+
         internal void InvokeRegisterChanged (Register reg) {
 
             RegisterChanged?.Invoke(reg);      
@@ -220,5 +303,7 @@ namespace MewtocolNet {
 
         }
 
+        #endregion
+
     }
 }

MewtocolNet/Mewtocol/Logging/Logger.cs

@@ -0,0 +1,43 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace MewtocolNet.Logging {
+
+    /// <summary>
+    /// Logging module for all PLCs
+    /// </summary>
+    public static class Logger {
+
+        /// <summary>
+        /// Sets the loglevel for the logger module
+        /// </summary>
+        public static LogLevel LogLevel { get; set; }   
+
+        internal static Action<DateTime, string> LogInvoked;
+
+        /// <summary>
+        /// Gets invoked whenever a new log message is ready
+        /// </summary>
+        public static void OnNewLogMessage (Action<DateTime, string> onMsg) {
+
+            LogInvoked += (t, m) => {
+                onMsg(t, m);
+            };
+
+        }
+
+        internal static void Log (string message, LogLevel loglevel, MewtocolInterface sender = null) {
+
+            if ((int)loglevel <= (int)LogLevel) {
+                if (sender == null) {
+                    LogInvoked?.Invoke(DateTime.Now, message);
+                } else {
+                    LogInvoked?.Invoke(DateTime.Now, $"[{sender.GetConnectionPortInfo()}] {message}");
+                }
+            }
+
+        }
+
+    }
+}

MewtocolNet/Mewtocol/Logging/LoggerEnums.cs

@@ -0,0 +1,34 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace MewtocolNet.Logging {
+
+    /// <summary>
+    /// The loglevel of the logging module
+    /// </summary>
+    public enum LogLevel {
+
+        /// <summary>
+        /// Logs only errors
+        /// </summary>
+        Error = 0,
+        /// <summary>
+        /// Logs info like connection establish and loss
+        /// </summary>
+        Info = 1,
+        /// <summary>
+        /// Logs only state changes
+        /// </summary>
+        Change = 2,
+        /// <summary>
+        /// Logs all errors, state changes, and messages
+        /// </summary>
+        Verbose = 3,
+        /// <summary>
+        /// Logs all types including network traffic
+        /// </summary>
+        Critical = 4,
+    }
+
+}

MewtocolNet/Mewtocol/MewtocolEvents.cs

@@ -1,48 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
-using System.Linq;
-using MewtocolNet.Responses;
-
-namespace MewtocolNet.Events {
-
-    public class MewtocolContactListener : IDisposable {
-
-        /// <summary>
-        /// Gets fired whenever a contact of the observed list changes its value
-        /// </summary>
-        public event Action<List<IBoolContact>> ContactsChangedValue;
-
-        //privates
-        private List<IBoolContact> lastContacts = new List<IBoolContact>();
-        private CancellationTokenSource cToken = new CancellationTokenSource();
-
-        public static MewtocolContactListener ListenContactChanges (MewtocolInterface _interFace, List<Contact> _observeContacts, int _refreshMS = 100, int _stationNumber = 1) {
-
-            MewtocolContactListener listener = new MewtocolContactListener();
-            _ = Task.Factory.StartNew( async () => {
-                //get contacts first time
-                listener.lastContacts = (List<IBoolContact>) await _interFace.ReadBoolContacts(_observeContacts, _stationNumber);
-                while(!listener.cToken.Token.IsCancellationRequested) {
-                    //compare and update
-                    var newContactData = (List<IBoolContact>) await _interFace.ReadBoolContacts(_observeContacts, _stationNumber);
-                    var difference = newContactData.Where(p => listener.lastContacts.Any(l => p.Value != l.Value && p.Identifier == l.Identifier));
-
-                    if(difference.Count() > 0) {
-                        listener.ContactsChangedValue?.Invoke(difference.ToList());
-                        listener.lastContacts = newContactData;
-                    } else {
-                    }
-                    await Task.Delay(_refreshMS);
-                }
-            });
-            return listener;
-        }
-
-        public void Dispose() {
-            cToken.Cancel();
-        }
-    }
-
-}

MewtocolNet/Mewtocol/MewtocolHelpers.cs

@@ -3,19 +3,30 @@ using System.Linq;
 using System.Text;
 using System.Text.RegularExpressions;
 using System.Collections.Generic;
-using System.Text.Json;
-using System.Text.Json.Serialization;
 using MewtocolNet.Responses;
+using System.Collections;
 
 namespace MewtocolNet {
     public static class MewtocolHelpers {
-        public static Byte[] ToHexASCIIBytes (this string _str) {
+
+        /// <summary>
+        /// Turns a bit array into a 0 and 1 string
+        /// </summary>
+        public static string ToBitString (this BitArray arr) {
+
+            var bits = new bool[arr.Length];
+            arr.CopyTo(bits, 0);
+            return string.Join("", bits.Select(x => x ? "1" : "0"));
+
+        }
+
+        public static byte[] ToHexASCIIBytes (this string _str) {
             ASCIIEncoding ascii = new ASCIIEncoding();
-            Byte[] bytes = ascii.GetBytes(_str.ToUpper()); 
+            byte[] bytes = ascii.GetBytes(_str.ToUpper()); 
             return bytes;
         }
 
-        public static string BuildBCCFrame (this string asciiArr) {
+        internal static string BuildBCCFrame (this string asciiArr) {
             Encoding ae = Encoding.ASCII;
             byte[] b = ae.GetBytes(asciiArr);
             byte xorTotalByte = 0;
@@ -24,7 +35,7 @@ namespace MewtocolNet {
             return asciiArr.Insert(asciiArr.Length, xorTotalByte.ToString("X2"));
         }
 
-        public static byte[] ParseDTBytes (this string _onString ,int _blockSize = 4) {
+        internal static byte[] ParseDTBytes (this string _onString ,int _blockSize = 4) {
             var res = new Regex(@"\%([0-9]{2})\$RD(.{"+_blockSize+"})").Match(_onString);
             if(res.Success) {
                 string val = res.Groups[2].Value;
@@ -33,7 +44,7 @@ namespace MewtocolNet {
             return null;
         }
 
-        public static string ParseDTByteString (this string _onString, int _blockSize = 4) {
+        internal static string ParseDTByteString (this string _onString, int _blockSize = 4) {
             var res = new Regex(@"\%([0-9]{2})\$RD(.{" + _blockSize + "})").Match(_onString);
             if (res.Success) {
                 string val = res.Groups[2].Value;
@@ -42,16 +53,46 @@ namespace MewtocolNet {
             return null;
         }
 
-        public static string ParseDTString (this string _onString) {
+        internal static bool? ParseRCSingleBit (this string _onString, int _blockSize = 4) {
-            var res = new Regex(@"\%([0-9]{2})\$RD.{8}(.*)...").Match(_onString);
+            var res = new Regex(@"\%([0-9]{2})\$RC(.)").Match(_onString);
-            if(res.Success) {
+            if (res.Success) {
                 string val = res.Groups[2].Value;
-                return val.GetStringFromAsciiHex();
+                return val == "1";
             }
             return null;
         }
 
-        public static string BuildDTString (this string _inString, short _stringReservedSize) {
+        internal static string ParseDTString (this string _onString) {
+            var res = new Regex(@"\%([0-9]{2})\$RD.{8}(.*)...").Match(_onString);
+            if(res.Success) {
+                string val = res.Groups[2].Value;
+                return val.GetStringFromAsciiHex().Trim();
+            }
+            return null;
+        }
+
+        internal static string ReverseByteOrder (this string _onString) {
+
+            //split into 2 chars
+            var stringBytes = _onString.SplitInParts(2).ToList();
+
+            stringBytes.Reverse();
+
+            return string.Join("", stringBytes);
+
+        }
+
+        internal static IEnumerable<String> SplitInParts (this string s, int partLength) {
+            if (s == null)
+                throw new ArgumentNullException(nameof(s));
+            if (partLength <= 0)
+                throw new ArgumentException("Part length has to be positive.", nameof(partLength));
+
+            for (var i = 0; i < s.Length; i += partLength)
+                yield return s.Substring(i, Math.Min(partLength, s.Length - i));
+        }
+
+        internal static string BuildDTString (this string _inString, short _stringReservedSize) {
             StringBuilder sb = new StringBuilder();
             //06000600
             short stringSize = (short)_inString.Length;
@@ -62,13 +103,13 @@ namespace MewtocolNet {
             //string count actual bytes
             sb.Append(sizeBytes);
             //actual string content
-            sb.Append(_inString.GetAsciiHexFromString().PadRight(_stringReservedSize * 2, '0'));
+            sb.Append(_inString.GetAsciiHexFromString());
 
             return sb.ToString();
         }
 
 
-        public static string GetStringFromAsciiHex (this string input) {
+        internal static string GetStringFromAsciiHex (this string input) {
             if (input.Length % 2 != 0)
                 throw new ArgumentException("input not a hex string");
             byte[] bytes = new byte[input.Length / 2];
@@ -79,19 +120,19 @@ namespace MewtocolNet {
             return Encoding.ASCII.GetString(bytes);
         }
 
-        public static string GetAsciiHexFromString (this string input) {
+        internal static string GetAsciiHexFromString (this string input) {
             var bytes = new ASCIIEncoding().GetBytes(input);
             return bytes.ToHexString();
         }
 
-        public static byte[] HexStringToByteArray(this string hex) {
+        internal static byte[] HexStringToByteArray(this string hex) {
             return Enumerable.Range(0, hex.Length)
                             .Where(x => x % 2 == 0)
                             .Select(x => Convert.ToByte(hex.Substring(x, 2), 16))
                             .ToArray();
         }
 
-        public static string ToHexString (this byte[] arr) {
+        internal static string ToHexString (this byte[] arr) {
             StringBuilder sb = new StringBuilder();
             foreach (var b in arr) {
                 sb.Append(b.ToString("X2"));
@@ -99,23 +140,6 @@ namespace MewtocolNet {
             return sb.ToString();
         }
 
-        public static string ToJsonString (this IEnumerable<IBoolContact> _contacts, bool formatPretty = false) {
-            return JsonSerializer.Serialize(_contacts, new JsonSerializerOptions {
-                WriteIndented = formatPretty,
-            });
-        }
-
-        public static bool IsSubclassOfRawGeneric(Type generic, Type toCheck) {
-            while (toCheck != null && toCheck != typeof(object)) {
-                var cur = toCheck.IsGenericType ? toCheck.GetGenericTypeDefinition() : toCheck;
-                if (generic == cur) {
-                    return true;
-                }
-                toCheck = toCheck.BaseType;
-            }
-            return false;
-        }
-
     }
 
 }

MewtocolNet/Mewtocol/MewtocolInterface.cs

@@ -6,7 +6,14 @@ using System.Text.RegularExpressions;
 using System.Collections.Generic;
 using System.Threading;
 using System.Threading.Tasks;
+using System.Linq;
 using MewtocolNet.Responses;
+using MewtocolNet.RegisterAttributes;
+using MewtocolNet.Logging;
+using System.Collections;
+using System.Reflection;
+using MewtocolNet.Logging;
+using System.Diagnostics;
 
 namespace MewtocolNet {
     
@@ -33,14 +40,11 @@ namespace MewtocolNet {
         /// <summary>
         /// The registered data registers of the PLC
         /// </summary>
-        public Dictionary<int, Register> Registers { get; set; } = new();
+        public Dictionary<int, Register> Registers { get; set; } = new Dictionary<int, Register>();
-
-        private CancellationTokenSource tokenSource;
 
         private string ip {get;set;}
         private int port {get;set;}
         private int stationNumber {get;set;}        
-        private int pollingDelayMs {get;set;}
 
         /// <summary>
         /// The current IP of the PLC connection
@@ -55,6 +59,7 @@ namespace MewtocolNet {
         /// </summary>
         public int StationNumber => stationNumber;
 
+        internal List<Task> PriorityTasks { get; set; } = new List<Task>(); 
 
         #region Initialization
 
@@ -79,6 +84,15 @@ namespace MewtocolNet {
 
             }
 
+            RegisterChanged += (o) => {
+
+                string address = $"{o.GetRegisterString()}{o.MemoryAdress}".PadRight(5, (char)32); ;
+
+                Logger.Log($"{address} " +
+                           $"{(o.Name != null ? $"({o.Name}) " : "")}" +
+                           $"changed to \"{o.GetValueString()}\"", LogLevel.Change, this);
+            };
+
         }
 
         #endregion
@@ -99,7 +113,10 @@ namespace MewtocolNet {
 
             var plcinf = await GetPLCInfoAsync();
 
-            if (plcinf is not null) {
+            if (plcinf != null) {
+
+                Logger.Log("Connected", LogLevel.Info, this);
+                Logger.Log($"\n\n{plcinf.ToString()}\n\n", LogLevel.Verbose, this);
 
                 Connected?.Invoke(plcinf);
 
@@ -119,8 +136,10 @@ namespace MewtocolNet {
 
             } else {
 
-                if (OnFailed != null)
+                if (OnFailed != null) {
                     OnFailed();
+                    Logger.Log("Initial connection failed", LogLevel.Info, this);
+                }
 
             }
 
@@ -132,9 +151,8 @@ namespace MewtocolNet {
         /// Attaches a poller to the interface that continously 
         /// polls the registered data registers and writes the values to them
         /// </summary>
-        public MewtocolInterface WithPoller (int pollerDelayMs = 50) {
+        public MewtocolInterface WithPoller () {
 
-            pollingDelayMs = pollerDelayMs;
             usePoller = true;
 
             return this;
@@ -143,6 +161,258 @@ namespace MewtocolNet {
 
         #endregion
 
+        #region Register Collection
+
+        /// <summary>
+        /// Attaches a register collection object to 
+        /// the interface that can be updated automatically.
+        /// <para/>
+        /// Just create a class inheriting from <see cref="RegisterCollectionBase"/>
+        /// and assert some propertys with the custom <see cref="RegisterAttribute"/>.
+        /// </summary>
+        /// <param name="collection">A collection inherting the <see cref="RegisterCollectionBase"/> class</param>
+        public MewtocolInterface WithRegisterCollection (RegisterCollectionBase collection) {
+
+            collection.PLCInterface = this;
+
+            var props = collection.GetType().GetProperties();
+
+            foreach (var prop in props) {
+
+                var attributes = prop.GetCustomAttributes(true);
+
+                string propName = prop.Name;
+                foreach (var attr in attributes) {
+
+                    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);
+                            } else {
+                                AddRegister(cAttribute.SpecialAddress, cAttribute.RegisterType, _name: propName);
+                            }
+                        }
+
+                        if (prop.PropertyType == typeof(short)) {
+                            AddRegister<short>(cAttribute.MemoryArea, _name: propName);
+                        }
+
+                        if (prop.PropertyType == typeof(ushort)) {
+                            AddRegister<ushort>(cAttribute.MemoryArea, _name: propName);
+                        }
+
+                        if (prop.PropertyType == typeof(int)) {
+                            AddRegister<int>(cAttribute.MemoryArea, _name: propName);
+                        }
+
+                        if (prop.PropertyType == typeof(uint)) {
+                            AddRegister<uint>(cAttribute.MemoryArea, _name: propName);
+                        }
+
+                        if (prop.PropertyType == typeof(float)) {
+                            AddRegister<float>(cAttribute.MemoryArea, _name: propName);
+                        }
+
+                        if (prop.PropertyType == typeof(string)) {
+                            AddRegister<string>(cAttribute.MemoryArea, cAttribute.StringLength, _name: propName);
+                        }
+
+                        //read number as bit array
+                        if (prop.PropertyType == typeof(BitArray)) {
+
+                            if(cAttribute.BitCount == BitCount.B16) {
+                                AddRegister<short>(cAttribute.MemoryArea, _name: propName, _isBitwise: true);
+                            } else {
+                                AddRegister<int>(cAttribute.MemoryArea, _name: propName, _isBitwise: true);
+                            }
+
+                        }
+
+                        //read number as bit array by invdividual properties
+                        if (prop.PropertyType == typeof(bool) && cAttribute.AssignedBitIndex != -1) {
+
+                            if (cAttribute.BitCount == BitCount.B16) {
+                                AddRegister<short>(cAttribute.MemoryArea, _name: propName, _isBitwise: true);
+                            } else {
+                                AddRegister<int>(cAttribute.MemoryArea, _name: propName, _isBitwise: true);
+                            }
+
+                        }
+
+                    }
+
+                }
+
+            }
+
+            RegisterChanged += (reg) => {
+
+                var foundToUpdate = props.FirstOrDefault(x => x.Name == reg.Name);
+               
+                if (foundToUpdate != null) {
+
+                    var foundAttributes = foundToUpdate.GetCustomAttributes(true);
+                    var foundAttr = foundAttributes.FirstOrDefault(x => x.GetType() == typeof(RegisterAttribute));
+
+                    if (foundAttr == null)
+                        return;
+
+                    var registerAttr = (RegisterAttribute)foundAttr;
+
+                    //check if bit parse mode
+                    if (registerAttr.AssignedBitIndex == -1) {
+
+                        //setting back booleans
+                        if (foundToUpdate.PropertyType == typeof(bool)) {
+                            foundToUpdate.SetValue(collection, ((BRegister)reg).Value);
+                        }
+
+                        //setting back numbers
+
+                        if (foundToUpdate.PropertyType == typeof(short)) {
+                            foundToUpdate.SetValue(collection, ((NRegister<short>)reg).Value);
+                        }
+
+                        if (foundToUpdate.PropertyType == typeof(ushort)) {
+                            foundToUpdate.SetValue(collection, ((NRegister<ushort>)reg).Value);
+                        }
+
+                        if (foundToUpdate.PropertyType == typeof(int)) {
+                            foundToUpdate.SetValue(collection, ((NRegister<int>)reg).Value);
+                        }
+
+                        if (foundToUpdate.PropertyType == typeof(uint)) {
+                            foundToUpdate.SetValue(collection, ((NRegister<uint>)reg).Value);
+                        }
+
+                        if (foundToUpdate.PropertyType == typeof(float)) {
+                            foundToUpdate.SetValue(collection, ((NRegister<float>)reg).Value);
+                        }
+
+                        //setting back strings
+
+                        if (foundToUpdate.PropertyType == typeof(string)) {
+                            foundToUpdate.SetValue(collection, ((SRegister)reg).Value);
+                        }
+
+                    }
+
+
+                    if (foundToUpdate.PropertyType == typeof(bool) && registerAttr.AssignedBitIndex >= 0) {
+
+                        //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) {
+
+                            var bytes = BitConverter.GetBytes(shortReg.Value);
+                            BitArray bitAr = new BitArray(bytes);
+                            foundToUpdate.SetValue(collection, bitAr);
+
+                        }
+
+                        if (reg is NRegister<int> intReg) {
+
+                            var bytes = BitConverter.GetBytes(intReg.Value);
+                            BitArray bitAr = new BitArray(bytes);
+                            foundToUpdate.SetValue(collection, bitAr);
+
+                        }
+
+                    }
+
+                    collection.TriggerPropertyChanged(foundToUpdate.Name);
+
+                }
+
+            };
+
+            return this;
+
+        }
+
+        #endregion
+
+        #region Register Writing
+
+        /// <summary>
+        /// Sets a register in the PLCs memory
+        /// </summary>
+        /// <param name="registerName">The name the register was given to or a property name from the RegisterCollection class</param>
+        /// <param name="value">The value to write to the register</param>
+        public void SetRegister (string registerName, object value) {
+
+
+            var foundRegister = GetAllRegisters().FirstOrDefault(x => x.Name == registerName);
+
+            if (foundRegister == null) {
+                throw new Exception($"Register with the name {registerName} was not found");
+            }
+
+            if (foundRegister.GetType() == typeof(BRegister)) {
+
+                _ = WriteBoolRegister((BRegister)foundRegister, (bool)value, StationNumber);
+
+            }
+
+            if (foundRegister.GetType() == typeof(NRegister<short>)) {
+
+                _ = WriteNumRegister((NRegister<short>)foundRegister, (short)value, StationNumber);
+                
+            }
+
+            if (foundRegister.GetType() == typeof(NRegister<ushort>)) {
+
+                _ = WriteNumRegister((NRegister<ushort>)foundRegister, (ushort)value, StationNumber);
+
+            }
+
+            if (foundRegister.GetType() == typeof(NRegister<int>)) {
+
+                _ = WriteNumRegister((NRegister<int>)foundRegister, (int)value, StationNumber);
+
+            }
+
+            if (foundRegister.GetType() == typeof(NRegister<uint>)) {
+
+                _ = WriteNumRegister((NRegister<uint>)foundRegister, (uint)value, StationNumber);
+
+            }
+
+            if (foundRegister.GetType() == typeof(NRegister<float>)) {
+
+                _ = WriteNumRegister((NRegister<float>)foundRegister, (float)value, StationNumber);
+
+            }
+
+            if (foundRegister.GetType() == typeof(SRegister)) {
+
+                _ = WriteStringRegister((SRegister)foundRegister, (string)value, StationNumber);
+
+            }
+
+        }
+
+        #endregion
 
         #region Low level command handling
 
@@ -158,7 +428,27 @@ namespace MewtocolNet {
             _msg += "\r";
 
             //send request
-            var response = await SendSingleBlock(_msg);
+
+            string response = null;
+
+            if(ContinousReaderRunning) {
+
+                //if the poller is active then add all messages to a qeueue
+
+                var awaittask = SendSingleBlock(_msg);
+                PriorityTasks.Add(awaittask);
+                awaittask.Wait();
+
+                PriorityTasks.Remove(awaittask);    
+                response = awaittask.Result;
+
+            } else {
+
+                //poller not active let the user manage message timing
+
+                response = await SendSingleBlock(_msg);
+
+            }
 
             if(response == null) {
                 return new CommandResult {
@@ -195,16 +485,12 @@ namespace MewtocolNet {
 
         private async Task<string> SendSingleBlock (string _blockString) {
 
-            if(isWriting) {
+            Stopwatch sw = Stopwatch.StartNew();    
-                return null;
-            }
-
-            tokenSource = new CancellationTokenSource();
 
             using (TcpClient client = new TcpClient() { ReceiveBufferSize = 64, NoDelay = true, ExclusiveAddressUse = true }) {
 
                 try {
-                    await client.ConnectAsync(ip, port, tokenSource.Token);
+                    await client.ConnectAsync(ip, port);
                 } catch(SocketException) {
                     return null;
                 }
@@ -213,9 +499,9 @@ namespace MewtocolNet {
                     var message = _blockString.ToHexASCIIBytes();
                     var messageAscii = BitConverter.ToString(message).Replace("-", " ");
                     //send request
-                    isWriting = true;
                     using (var sendStream = new MemoryStream(message)) {
                         await sendStream.CopyToAsync(stream);
+                        Logger.Log($"OUT MSG: {_blockString}", LogLevel.Critical, this);
                         //log message sent
                         ASCIIEncoding enc = new ASCIIEncoding();
                         string characters = enc.GetString(message);
@@ -228,7 +514,8 @@ namespace MewtocolNet {
                         response.Append(Encoding.UTF8.GetString(responseBuffer, 0, bytes));
                     }
                     while (stream.DataAvailable);
-                    isWriting = false;
+                    sw.Stop();
+                    Logger.Log($"IN MSG ({(int)sw.Elapsed.TotalMilliseconds}ms): {_blockString}", LogLevel.Critical, this);
                     return response.ToString();
                 }
 
@@ -238,6 +525,20 @@ namespace MewtocolNet {
 
 
         #endregion
+
+        #region Accessing Info 
+
+        /// <summary>
+        /// Gets the connection info string
+        /// </summary>
+        public string GetConnectionPortInfo () {
+
+            return $"{IpAddress}:{Port}";
+
+        }
+
+        #endregion
+
     }
 
 }

MewtocolNet/Mewtocol/MewtocolInterfaceExtensions.cs

@@ -1,16 +0,0 @@
-using MewtocolNet.Responses;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading;
-using System.Threading.Tasks;
-
-namespace MewtocolNet {
-
-    public static class MewtocolInterfaceExtensions {
-
-        
-    }
-
-}

MewtocolNet/Mewtocol/MewtocolInterfaceRequests.cs

@@ -13,7 +13,7 @@ namespace MewtocolNet {
     
     public partial class MewtocolInterface {
 
-        #region High level command handling
+        #region PLC info getters
 
         /// <summary>
         /// Gets generic information about the PLC
@@ -49,91 +49,50 @@ namespace MewtocolNet {
             return null;
         }
 
-        /// <summary>
+        #endregion
-        /// Reads bool values from the plc by the given <c>Contact</c> List
-        /// </summary>
-        /// <param name="_contactsToRead">A list of contacts</param>
-        /// <param name="_stationNumber">The PLCs station number</param>
-        /// <returns>List of IBoolContact with unique copys of the given contacts</returns>
-        public async Task<IEnumerable<IBoolContact>> ReadBoolContacts (List<Contact> _contactsToRead, int _stationNumber = 1) {
 
-            //re order by contact pfx for faster querying 
+        #region Bool register reading / writing
-            _contactsToRead = _contactsToRead.OrderBy(x=>x.Prefix).ToList();
 
-            //return list
+        public async Task<BRegisterResult> ReadBoolRegister (BRegister _toRead, int _stationNumber = 1) {
-            List<IBoolContact> returnContacts = new List<IBoolContact>();
 
-            //grouped by 8 each
+            string requeststring = $"%{_stationNumber.ToString().PadLeft(2, '0')}#RCS{_toRead.BuildMewtocolIdent()}";
-            List<List<Contact>> nestedContacts = new List<List<Contact>>();
+            var result = await SendCommandAsync(requeststring);
 
-            //group into max 8 contacts list
+            if(!result.Success) {
-            List<Contact> tempGroup = new List<Contact>();
+                return new BRegisterResult {
-            for (int i = 0; i < _contactsToRead.Count; i++) {
+                    Result = result,
-                tempGroup.Add(_contactsToRead[i]);
+                    Register = _toRead
-                //each 8 contacts make a new list
+                };
-                if(i % 7 == 0 && i != 0 && i != _contactsToRead.Count) {
-                    nestedContacts.Add(tempGroup);
-                    tempGroup = new List<Contact>();
-                }
-                //if end of list and contacts cannot be broke down to 8 each group
-                if(i == _contactsToRead.Count - 1 && _contactsToRead.Count % 8 != 0) {
-                    nestedContacts.Add(tempGroup);
-                    tempGroup = new List<Contact>();
-                }
             }
 
-            //make task for each group
+            var resultBool = result.Response.ParseRCSingleBit();
-            foreach (var group in nestedContacts) {
+            if(resultBool != null) {
-                //regex for getting values
+                _toRead.LastValue = resultBool.Value;
-                StringBuilder regexString = new StringBuilder(@"\%..\$RC");
-                //append start %01#RCP2
-                StringBuilder messageString = new StringBuilder();
-                messageString.Append($"%{_stationNumber.ToString().PadLeft(2, '0')}#RCP");
-                messageString.Append($"{group.Count}");
-                //append each contact of group Y0000 Y0001 etc
-                foreach (var cont in group) {
-                    messageString.Append(cont.BuildMewtocolIdent());
-                    regexString.Append(@"([0-9])");
-                }
-                regexString.Append(@"(..)");
-                //parse the result
-                var result = await SendCommandAsync(messageString.ToString());
-                Regex regCheck = new Regex(regexString.ToString(), RegexOptions.IgnoreCase);
-                if(result.Success && regCheck.IsMatch(result.Response)) {
-                    //parse result string
-                    Match regMatch = regCheck.Match(result.Response);
-                    // add to return list
-                    for (int i = 0; i < group.Count; i++) {
-                        Contact cont = group[i].ShallowCopy();
-                        Contact toadd = cont;
-                        if( regMatch.Groups[i + 1].Value == "1" ) {
-                            toadd.Value = true;
-                        } else if( regMatch.Groups[i + 1].Value == "0" ) {
-                            toadd.Value = false;
-                        }
-                        returnContacts.Add(toadd);
-                    }
-                }
-            }
-            return returnContacts;            
             } 
 
-        /// <summary>
+            var finalRes = new BRegisterResult {
-        /// Writes a boolen value to the given contact
+                Result = result,
-        /// </summary>
+                Register = _toRead
-        /// <param name="_contact">The contact to write</param>
+            };
-        /// <param name="_value">The boolean state to write</param>
+
-        /// <param name="_stationNumber">Station Number (optional)</param>
+            return finalRes;
-        /// <returns>A result struct</returns>
+
-        public async Task<CommandResult> WriteContact (Contact _contact, bool _value, int _stationNumber = 1) {
-            string stationNum = _stationNumber.ToString().PadLeft(2, '0');
-            string dataArea = _contact.BuildMewtocolIdent();
-            string dataString = _value ? "1" : "0";
-            string requeststring = $"%{stationNum}#WCS{dataArea}{dataString}";
-            var res = await SendCommandAsync(requeststring);
-            return res;
         }
 
+        public async Task<bool> WriteBoolRegister (BRegister _toWrite, bool value, int _stationNumber = 1) {
+
+            string requeststring = $"%{_stationNumber.ToString().PadLeft(2, '0')}#WCS{_toWrite.BuildMewtocolIdent()}{(value ? "1" : "0")}";
+
+            var result = await SendCommandAsync(requeststring);
+
+            return result.Success && result.Response.StartsWith($"%{ _stationNumber.ToString().PadLeft(2, '0')}#WC");
+
+        }
+
+        #endregion
+
+        #region Number register reading / writing
+
         /// <summary>
         /// Reads the given numeric register from PLC
         /// </summary>
@@ -150,26 +109,39 @@ namespace MewtocolNet {
 
             if (numType == typeof(short)) {
 
-                var resultBytes = result.Response.ParseDTByteString(4);
+                var resultBytes = result.Response.ParseDTByteString(4).ReverseByteOrder();
                 var val = short.Parse(resultBytes, NumberStyles.HexNumber);
                 (_toRead as NRegister<short>).LastValue = val;
 
             } else if (numType == typeof(ushort)) {
-                var resultBytes = result.Response.ParseDTBytes(4);
+
-                var val = BitConverter.ToInt16(resultBytes);
+                var resultBytes = result.Response.ParseDTByteString(4).ReverseByteOrder();
-                _toRead.Value = (T)Convert.ChangeType(val, typeof(T));
+                var val = ushort.Parse(resultBytes, NumberStyles.HexNumber);
+                (_toRead as NRegister<ushort>).LastValue = val;
+
             } else if (numType == typeof(int)) {
-                var resultBytes = result.Response.ParseDTBytes(8);
+
-                var val = BitConverter.ToInt16(resultBytes);
+                var resultBytes = result.Response.ParseDTByteString(8).ReverseByteOrder();
-                _toRead.Value = (T)Convert.ChangeType(val, typeof(T));
+                var val = int.Parse(resultBytes, NumberStyles.HexNumber);
+                (_toRead as NRegister<int>).LastValue = val;
+
             } else if (numType == typeof(uint)) {
-                var resultBytes = result.Response.ParseDTBytes(8);
+
-                var val = BitConverter.ToInt16(resultBytes);
+                var resultBytes = result.Response.ParseDTByteString(8).ReverseByteOrder();
-                _toRead.Value = (T)Convert.ChangeType(val, typeof(T));
+                var val = uint.Parse(resultBytes, NumberStyles.HexNumber);
+                (_toRead as NRegister<uint>).LastValue = val;
+
             } else if (numType == typeof(float)) {
-                var resultBytes = result.Response.ParseDTBytes(8);
+
-                var val = BitConverter.ToSingle(resultBytes);
+                var resultBytes = result.Response.ParseDTByteString(8).ReverseByteOrder();
-                _toRead.Value = (T)Convert.ChangeType(val, typeof(T));
+                //convert to unsigned int first
+                var val = uint.Parse(resultBytes, NumberStyles.HexNumber);
+
+                byte[] floatVals = BitConverter.GetBytes(val);
+                float finalFloat = BitConverter.ToSingle(floatVals, 0);
+
+                (_toRead as NRegister<float>).LastValue = finalFloat;
+
             }
 
             var finalRes = new NRegisterResult<T> {
@@ -187,7 +159,7 @@ namespace MewtocolNet {
         /// <param name="_toWrite">The register to write</param>
         /// <param name="_stationNumber">Station number to access</param>
         /// <returns>A result with the given NumberRegister and a result struct</returns>
-        public async Task<NRegisterResult<T>> WriteNumRegister<T>(NRegister<T> _toWrite, T _value, int _stationNumber = 1) {
+        public async Task<bool> WriteNumRegister<T> (NRegister<T> _toWrite, T _value, int _stationNumber = 1) {
 
             byte[] toWriteVal;
             Type numType = typeof(T);
@@ -201,22 +173,38 @@ namespace MewtocolNet {
             } else if (numType == typeof(uint)) {
                 toWriteVal = BitConverter.GetBytes(Convert.ToUInt32(_value));
             } else if (numType == typeof(float)) {
-                toWriteVal = BitConverter.GetBytes(Convert.ToUInt32(_value));
+
+                var fl = _value as float?;
+                if (fl == null)
+                    throw new NullReferenceException("Float cannot be null");
+
+                toWriteVal = BitConverter.GetBytes(fl.Value);
+
             } else {
                 toWriteVal = null;
             }
 
             string requeststring = $"%{_stationNumber.ToString().PadLeft(2, '0')}#WD{_toWrite.BuildMewtocolIdent()}{toWriteVal.ToHexString()}";
+
             var result = await SendCommandAsync(requeststring);
 
-            return new NRegisterResult<T> {
+            return result.Success && result.Response.StartsWith($"%{ _stationNumber.ToString().PadLeft(2, '0')}#WD");
-                Result = result,
+
-                Register = _toWrite
-            };
         }
 
+        #endregion
+
+        #region String register reading / writing
 
         public async Task<SRegisterResult> ReadStringRegister (SRegister _toRead, int _stationNumber = 1) {
+
+            //string is build up like this
+            //04 00 04 00 53 50 33 35 13
+            //0, 1 = reserved size
+            //1, 2 = current size
+            //3,4,5,6 = ASCII encoded chars (SP35)
+            //7,8 = checksum
+
             string requeststring = $"%{_stationNumber.ToString().PadLeft(2, '0')}#RD{_toRead.BuildMewtocolIdent()}";
             var result = await SendCommandAsync(requeststring);
             if (result.Success)
@@ -227,7 +215,7 @@ namespace MewtocolNet {
             };
         }
 
-        public async Task<SRegisterResult> WriteStringRegister(SRegister _toWrite, string _value, int _stationNumber = 1) {
+        public async Task<bool> WriteStringRegister(SRegister _toWrite, string _value, int _stationNumber = 1) {
 
             if (_value == null) _value = "";
             if(_value.Length > _toWrite.ReservedSize) {
@@ -242,10 +230,7 @@ namespace MewtocolNet {
             Console.WriteLine($"reserved: {_toWrite.MemoryLength}, size: {_value.Length}");
 
             var result = await SendCommandAsync(requeststring);
-            return new SRegisterResult {
+            return result.Success && result.Response.StartsWith($"%{ _stationNumber.ToString().PadLeft(2, '0')}#WD");
-                Result = result,
-                Register = _toWrite
-            };
         }
 
         #endregion

MewtocolNet/Mewtocol/Register.cs

@@ -1,183 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace MewtocolNet.Responses {
-    
-    /// <summary>
-    /// A class describing a register
-    /// </summary>
-    public abstract class Register : INotifyPropertyChanged {
-
-        /// <summary>
-        /// Gets called whenever the value was changed
-        /// </summary>
-        public event Action<object> ValueChanged;
-        public event PropertyChangedEventHandler PropertyChanged;
-
-        public string Name { get; set; }
-        public int MemoryAdress { get; set; }
-        public int MemoryLength { get; set; }
-        public virtual string BuildMewtocolIdent() {
-            StringBuilder asciistring = new StringBuilder("D");
-            asciistring.Append(MemoryAdress.ToString().PadLeft(5, '0'));
-            asciistring.Append((MemoryAdress + MemoryLength).ToString().PadLeft(5, '0'));
-            return asciistring.ToString();
-        }
-        protected void TriggerChangedEvnt(object changed) {
-            ValueChanged?.Invoke(changed);
-        }
-
-        public void TriggerNotifyChange () {
-            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Value"));
-        }
-
-        public string GetValueString () {
-
-            if (this is NRegister<short> shortReg) {
-                return shortReg.Value.ToString();
-            }
-            if (this is NRegister<ushort> ushortReg) {
-                return ushortReg.Value.ToString();
-            }
-            if (this is NRegister<int> intReg) {
-                return intReg.Value.ToString();
-            }
-            if (this is NRegister<uint> uintReg) {
-                return uintReg.Value.ToString();
-            }
-            if (this is NRegister<float> floatReg) {
-                return floatReg.Value.ToString();
-            } 
-            else if (this is SRegister stringReg) {
-                return stringReg.Value.ToString();
-
-            }
-
-            return "Type of the register is not supported.";
-
-        }
-
-    }
-    /// <summary>
-    /// Defines a register containing a number
-    /// </summary>
-    /// <typeparam name="T">The type of the numeric value</typeparam>
-    public class NRegister<T> : Register {
-
-        public T NeedValue;
-        public T LastValue;
-
-        /// <summary>
-        /// The value of the register
-        /// </summary>
-        public T Value {
-            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>
-        public NRegister(int _adress, string _name = 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 {
-                throw new NotSupportedException($"The type {numType} is not allowed for Number Registers");
-            }
-        }
-
-        public override string ToString() {
-            return $"Adress: {MemoryAdress} Val: {Value}";
-        }
-    }
-
-    /// <summary>
-    /// Result for a read/write operation
-    /// </summary>
-    /// <typeparam name="T">The type of the numeric value</typeparam>
-    public class NRegisterResult<T> {
-        public CommandResult Result { get; set; }
-        public NRegister<T> Register { get; set; }
-
-        public override string ToString() {
-            string errmsg = Result.Success ? "" : $", Error [{Result.ErrorDescription}]";
-            return $"Result [{Result.Success}], Register [{Register.ToString()}]{errmsg}";
-        }
-    }
-
-    /// <summary>
-    /// Defines a register containing a string
-    /// </summary>
-    public class SRegister : Register {
-
-        private string lastVal = "";
-        public string Value {
-
-            get => lastVal;
-            
-        }
-
-        public short ReservedSize { get; set; }
-
-        /// <summary>
-        /// Defines a register containing a string
-        /// </summary>
-        public SRegister(int _adress, int _reservedStringSize, string _name = null) {
-            if (_adress > 99999) throw new NotSupportedException("Memory adresses cant be greater than 99999");
-            Name = _name;
-            MemoryAdress = _adress;
-            ReservedSize = (short)_reservedStringSize;
-            MemoryLength = 1 + (_reservedStringSize) / 2;
-        }
-
-        public override string ToString() {
-            return $"Adress: {MemoryAdress} Val: {Value}";
-        }
-
-        public override string BuildMewtocolIdent() {
-            StringBuilder asciistring = new StringBuilder("D");
-            asciistring.Append(MemoryAdress.ToString().PadLeft(5, '0'));
-            asciistring.Append((MemoryAdress + MemoryLength).ToString().PadLeft(5, '0'));
-            return asciistring.ToString();
-        }
-
-        public void SetValueFromPLC (string val) {
-            lastVal = val;
-            TriggerChangedEvnt(this);
-            TriggerNotifyChange();
-        }
-
-
-    }
-
-    public class SRegisterResult {
-        public CommandResult Result { get; set; }
-        public SRegister Register { get; set; }
-
-        public override string ToString() {
-            string errmsg = Result.Success ? "" : $", Error [{Result.ErrorDescription}]";
-            return $"Result [{Result.Success}], Register [{Register.ToString()}]{errmsg}";
-        }
-    }
-}

MewtocolNet/Mewtocol/RegisterAttributes/RegisterAttribute.cs

@@ -0,0 +1,81 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MewtocolNet.RegisterAttributes {
+
+    public enum BitCount {
+        B16,
+        B32
+    }
+
+    [AttributeUsage(AttributeTargets.Property)]
+    public class RegisterAttribute : Attribute {
+
+        public int MemoryArea;
+        public int StringLength;
+        public RegisterType RegisterType;
+        public SpecialAddress SpecialAddress = SpecialAddress.None;
+        public BitCount BitCount;
+        public int AssignedBitIndex = -1;
+
+
+        public RegisterAttribute (int memoryArea, int stringLength = 1) {
+
+            MemoryArea = memoryArea;
+            StringLength = stringLength;   
+
+        }
+
+        public RegisterAttribute (int memoryArea, RegisterType type) {
+
+            if (type.ToString().StartsWith("DT"))
+                throw new NotSupportedException("DT types are not supported for attribute register setups because the number type is casted automatically");
+
+            MemoryArea = memoryArea;
+            RegisterType = type;
+            SpecialAddress = SpecialAddress.None;
+
+        }
+
+        public RegisterAttribute (RegisterType type, SpecialAddress spAdress) {
+
+            if (type.ToString().StartsWith("DT"))
+                throw new NotSupportedException("DT types are not supported for attribute register setups because the number type is casted automatically");
+
+            RegisterType = type;
+            SpecialAddress = spAdress;
+
+        }
+
+
+        public RegisterAttribute (int memoryArea, BitCount bitcount) {
+
+            MemoryArea = memoryArea;
+            StringLength = 0;
+            BitCount = bitcount;
+
+        }
+
+        public RegisterAttribute (int memoryArea, uint assignBit, BitCount bitcount) {
+
+            if(assignBit > 15 && bitcount == BitCount.B16) {
+                throw new NotSupportedException("The assignBit parameter cannot be greater than 15 in a 16 bit var");
+            }
+
+            if (assignBit > 31 && bitcount == BitCount.B32) {
+                throw new NotSupportedException("The assignBit parameter cannot be greater than 31 in a 32 bit var");
+            }
+
+            MemoryArea = memoryArea;
+            StringLength = 0;
+            BitCount = bitcount;
+            AssignedBitIndex = (int)assignBit;
+
+        }
+
+    }
+
+}

MewtocolNet/Mewtocol/RegisterAttributes/RegisterCollectionBase.cs

@@ -0,0 +1,26 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Diagnostics;
+using System.Linq;
+using System.Runtime.CompilerServices;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MewtocolNet.RegisterAttributes {
+
+    public class RegisterCollectionBase : INotifyPropertyChanged {
+
+        public MewtocolInterface PLCInterface { get; set; }        
+
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        internal void TriggerPropertyChanged (string propertyName = null) {
+            var handler = PropertyChanged;
+            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+        }
+
+    }
+
+}

MewtocolNet/Mewtocol/RegisterEnums.cs

@@ -0,0 +1,57 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MewtocolNet { 
+    public enum RegisterType {
+
+        /// <summary>
+        /// Physical input as a bool (Relay)
+        /// </summary>
+        X,
+        /// <summary>
+        /// Physical output as a bool (Relay)
+        /// </summary>
+        Y,
+        /// <summary>
+        /// Internal as a bool (Relay)
+        /// </summary>
+        R,
+        /// <summary>
+        /// Data area as a short (Register)
+        /// </summary>
+        DT_short,
+        /// <summary>
+        /// Data area as an unsigned short (Register)
+        /// </summary>
+        DT_ushort,
+        /// <summary>
+        /// Double data area as an integer  (Register)
+        /// </summary>
+        DDT_int,
+        /// <summary>
+        /// Double data area as an unsigned integer (Register)
+        /// </summary>
+        DDT_uint,
+        /// <summary>
+        /// Double data area as an floating point number (Register)
+        /// </summary>
+        DDT_float,
+
+    }
+
+    public enum SpecialAddress {
+
+        None,
+        A = -10,
+        B = -11,
+        C = -12,
+        D = -13,
+        E = -14,
+        F = -15,
+
+    }
+
+}

MewtocolNet/Mewtocol/Responses.cs

@@ -167,177 +167,4 @@ namespace MewtocolNet.Responses {
     }
 
 
-
-    /// <summary>
-    /// Contact as bool contact
-    /// </summary>
-    public interface IBoolContact {
-        public string Name {get;set;}
-        public string Identifier {get;}
-        public bool? Value {get;set;}
-
-    }
-
-    /// <summary>
-    /// A class describing a PLC contact
-    /// </summary>
-    public class Contact : IBoolContact {
-        public string Name {get;set;}
-        public PFX Prefix {get;set;}
-        public int Number {get;set;}
-        public ContactType Type {get;set;}
-        public string Endprefix {get;set;}
-        public string Asciistring {get => BuildMewtocolIdent();}
-        public string Identifier {get => Asciistring;}
-        public bool? Value {get;set;} = null;
-        public enum ContactType {
-            Unknown,
-            Input,
-            Output,
-        }
-
-        public enum PFX {
-            X,
-            Y,
-            R
-        }
-
-        /// <summary>
-        /// Creates a new base Contact
-        /// </summary>
-        /// <param name="_prefix">A prefix identifier eg. X,Y,R,L</param>
-        /// <param name="_number">The number of the PLC contact</param>
-        public Contact (PFX _prefix, int _number, string _name = "unknown") {
-            switch (_prefix) {
-                case PFX.X:
-                Type = ContactType.Input;
-                break;
-                case PFX.Y:
-                case PFX.R:
-                Type = ContactType.Output;
-                break;
-            }
-
-            Prefix = _prefix;
-            Number = _number;
-            Name = _name;
-        }
-
-        /// <summary>
-        /// Creates a new base Contact
-        /// </summary>
-        /// <param name="_prefix">A prefix identifier eg. X,Y,R,L</param>
-        /// <param name="_number">The number of the PLC contact</param>
-        public Contact (string _prefix, int _number, string _name = "unknown") {
-            PFX parsedPFX;
-            if(Enum.TryParse<PFX>(_prefix, true, out parsedPFX)) {
-                switch (parsedPFX) {
-                    case PFX.X:
-                    Type = ContactType.Input;
-                    break;
-                    case PFX.Y:
-                    case PFX.R:
-                    Type = ContactType.Output;
-                    break;
-                }
-                Prefix = parsedPFX;
-                Number = _number;
-                Name = _name;
-            } else {
-                throw new ArgumentException($"The prefix {_prefix} is no valid contact prefix");
-            } 
-        }
-
-        /// <summary>
-        /// Build contact from complete contact name
-        /// </summary>
-        /// <param name="_contactName">Complete contact name e.g. Y1C, Y3D or X1</param>
-        public Contact (string _contactName, string _name = "unknown") {
-            
-            string prefix = "";
-            int number = 0;
-            string endpfx = null;
-
-            Match regcheck = new Regex(@"(Y|X|R|L)([0-9]{1,3})?(.)?", RegexOptions.IgnoreCase).Match(_contactName);
-            if(regcheck.Success) {
-
-                /* for (int i = 0; i < regcheck.Groups.Count; i++) {
-                    var item = regcheck.Groups[i].Value;
-                    Console.WriteLine(item);
-                } */
-
-                prefix = regcheck.Groups[1].Value;
-                number = regcheck.Groups[2]?.Value != string.Empty ? Convert.ToInt32(regcheck.Groups[2].Value) : -1;
-                endpfx = regcheck.Groups[3]?.Value;
-            } else {
-                throw new ArgumentException($"The contact {_contactName} is no valid contact");
-            }
-            
-            PFX parsedPFX;
-            if(Enum.TryParse<PFX>(prefix, true, out parsedPFX)) {
-                switch (parsedPFX) {
-                    case PFX.X:
-                    Type = ContactType.Input;
-                    break;
-                    case PFX.Y:
-                    case PFX.R:
-                    Type = ContactType.Output;
-                    break;
-                }
-                Prefix = parsedPFX;
-                Number = number;
-                Endprefix = endpfx;
-                Name = _name;
-
-            } else {
-                throw new ArgumentException($"The prefix {prefix} is no valid contact prefix");
-            } 
-
-            Console.WriteLine(BuildMewtocolIdent());
-        }
-
-        /// <summary>
-        /// Builds the mewtocol ascii contact identifier
-        /// </summary>
-        /// <returns>The identifier e.g. Y0001 or Y000A or X001C</returns>
-        public string BuildMewtocolIdent () {
-            string contactstring = "";
-            if(Endprefix == null) {
-                contactstring += Prefix;
-                contactstring += Number.ToString().PadLeft(4, '0');
-            } else {
-                contactstring += Prefix;
-                if(Number == -1) {
-                    contactstring += "000" + Endprefix;
-                } else {
-                    contactstring += (Number.ToString() + Endprefix).PadLeft(4, '0');
-                }
-            }
-            if(string.IsNullOrEmpty(contactstring)) {
-                return null;
-            }
-            return contactstring;
-        }
-
-        /// <summary>
-        /// Converts the class to a generic json compatible object
-        /// </summary>
-        /// <returns></returns>
-        public object ToGenericObject () {
-            return new {
-                Name = this.Name,
-                Identifier = this.Asciistring,
-                Value = this.Value
-            };
-        }
-        /// <summary>
-        /// Creates a copy of the contact
-        /// </summary>
-        public Contact ShallowCopy() {
-            return (Contact) this.MemberwiseClone();
-        }
-
-    }
-   
-
 }

MewtocolNet/Mewtocol/Subregisters/BRegister.cs

@@ -0,0 +1,82 @@
+using System;
+using System.Text;
+using MewtocolNet;
+
+namespace MewtocolNet.Responses {
+
+    /// <summary>
+    /// Defines a register containing a boolean
+    /// </summary>
+    public class BRegister : Register {
+
+        internal RegisterType RegType { get; set; }     
+        internal SpecialAddress SpecialAddress { get; set; }        
+
+        public bool NeedValue;
+        public bool LastValue;
+
+        /// <summary>
+        /// The value of the register
+        /// </summary>
+        public bool Value {
+            get => LastValue;
+            set {
+                NeedValue = value;
+                TriggerChangedEvnt(this);
+            }
+        }
+
+        /// <summary>
+        /// Defines a register containing a number
+        /// </summary>
+        /// <param name="_address">Memory start adress max 99999</param>
+        /// <param name="_type">Type of boolean register</param>
+        /// <param name="_name">Name of the register</param>
+        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;
+            Name = _name;
+
+            RegType = _type;
+
+        }
+
+        /// <summary>
+        /// Defines a register containing a number
+        /// </summary>
+        /// <param name="_address">Memory start adress max 99999</param>
+        /// <param name="_type">Type of boolean register</param>
+        /// <param name="_name">Name of the register</param>
+        public BRegister (SpecialAddress _address, RegisterType _type = RegisterType.R, string _name = null) {
+
+            if (_address == SpecialAddress.None)
+                throw new NotSupportedException("Special adress cant be none");
+
+            SpecialAddress = _address;
+            Name = _name;
+
+            RegType = _type;
+
+        }
+
+        public override string BuildMewtocolIdent () {
+
+            //build area code from register type
+            StringBuilder asciistring = new StringBuilder(RegType.ToString());
+            if(SpecialAddress == SpecialAddress.None) {
+                asciistring.Append(MemoryAdress.ToString().PadLeft(4, '0'));
+            } else {
+                asciistring.Append(SpecialAddress.ToString().PadLeft(4, '0'));
+            }
+            
+            return asciistring.ToString();
+
+        }
+
+        public override string ToString() {
+            return $"Adress: {MemoryAdress} Val: {Value}";
+        }
+    }
+
+}

MewtocolNet/Mewtocol/Subregisters/BRegisterResult.cs

@@ -0,0 +1,13 @@
+namespace MewtocolNet.Responses {
+    public class BRegisterResult {
+
+        public CommandResult Result { get; set; }
+        public BRegister Register { get; set; }
+
+        public override string ToString() {
+            string errmsg = Result.Success ? "" : $", Error [{Result.ErrorDescription}]";
+            return $"Result [{Result.Success}], Register [{Register.ToString()}]{errmsg}";
+        }
+
+    }
+}

MewtocolNet/Mewtocol/Subregisters/NRegister.cs

@@ -0,0 +1,61 @@
+using System;
+
+namespace MewtocolNet.Responses {
+    /// <summary>
+    /// Defines a register containing a number
+    /// </summary>
+    /// <typeparam name="T">The type of the numeric value</typeparam>
+    public class NRegister<T> : Register {
+
+        public T NeedValue;
+        public T LastValue;
+
+        /// <summary>
+        /// The value of the register
+        /// </summary>
+        public T Value {
+            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>
+        public NRegister(int _adress, string _name = null, bool isBitwise = false) {
+
+            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 {
+                throw new NotSupportedException($"The type {numType} is not allowed for Number Registers");
+            }
+
+            isUsedBitwise = isBitwise;
+
+        }
+
+        public override string ToString() {
+            return $"Adress: {MemoryAdress} Val: {Value}";
+        }
+    }
+
+
+
+
+}

MewtocolNet/Mewtocol/Subregisters/NRegisterResult.cs

@@ -0,0 +1,19 @@
+namespace MewtocolNet.Responses {
+    /// <summary>
+    /// Result for a read/write operation
+    /// </summary>
+    /// <typeparam name="T">The type of the numeric value</typeparam>
+    public class NRegisterResult<T> {
+        public CommandResult Result { get; set; }
+        public NRegister<T> Register { get; set; }
+
+        public override string ToString() {
+            string errmsg = Result.Success ? "" : $", Error [{Result.ErrorDescription}]";
+            return $"Result [{Result.Success}], Register [{Register.ToString()}]{errmsg}";
+        }
+    }
+
+
+
+
+}

MewtocolNet/Mewtocol/Subregisters/Register.cs

@@ -0,0 +1,153 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MewtocolNet.Responses {
+
+    /// <summary>
+    /// A class describing a register
+    /// </summary>
+    public abstract class Register : INotifyPropertyChanged {
+
+        /// <summary>
+        /// Gets called whenever the value was changed
+        /// </summary>
+        public event Action<object> ValueChanged;
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        public string Name { get; set; }
+        public int MemoryAdress { get; set; }
+        public int MemoryLength { get; set; }
+        internal bool isUsedBitwise { get; set; }    
+
+        public virtual string BuildMewtocolIdent() {
+
+            StringBuilder asciistring = new StringBuilder("D");
+            asciistring.Append(MemoryAdress.ToString().PadLeft(5, '0'));
+            asciistring.Append((MemoryAdress + MemoryLength).ToString().PadLeft(5, '0'));
+            return asciistring.ToString();
+
+        }
+        internal void TriggerChangedEvnt(object changed) {
+            ValueChanged?.Invoke(changed);
+        }
+
+        internal void TriggerNotifyChange () {
+            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Value"));
+        }
+
+        /// <summary>
+        /// Gets the starting memory are either numeric or A,B,C,D etc for special areas like inputs
+        /// </summary>
+        /// <returns></returns>
+        public string GetStartingMemoryArea () {
+
+            if (this is BRegister bReg && bReg.SpecialAddress != SpecialAddress.None) {
+                return bReg.SpecialAddress.ToString();
+            }
+
+            return this.MemoryAdress.ToString();
+
+        }
+
+        /// <summary>
+        /// Gets the current value in the adress as a string 
+        /// </summary>
+        /// <returns></returns>
+        public string GetValueString () {
+
+            if (this is NRegister<short> shortReg) {
+                return $"{shortReg.Value}{(isUsedBitwise ? $" [{shortReg.GetBitwise().ToBitString()}]" : "")}";
+            }
+            if (this is NRegister<ushort> ushortReg) {
+                return ushortReg.Value.ToString();
+            }
+            if (this is NRegister<int> intReg) {
+                return $"{intReg.Value}{(isUsedBitwise ? $" [{intReg.GetBitwise().ToBitString()}]" : "")}";
+            }
+            if (this is NRegister<uint> uintReg) {
+                return uintReg.Value.ToString();
+            }
+            if (this is NRegister<float> floatReg) {
+                return floatReg.Value.ToString();
+            }
+            if (this is BRegister boolReg) {
+                return boolReg.Value.ToString();
+            }
+            if (this is SRegister stringReg) {
+                return stringReg.Value.ToString();
+
+            }
+
+            return "Type of the register is not supported.";
+
+        }
+
+        /// <summary>
+        /// Gets the register bitwise if its a 16 or 32 bit int
+        /// </summary>
+        /// <returns>A bitarray</returns>
+        public BitArray GetBitwise () {
+
+            if (this is NRegister<short> shortReg) {
+
+                var bytes = BitConverter.GetBytes(shortReg.Value);
+                BitArray bitAr = new BitArray(bytes);
+                return bitAr;
+
+            }
+
+            if (this is NRegister<int> intReg) {
+
+                var bytes = BitConverter.GetBytes(intReg.Value);
+                BitArray bitAr = new BitArray(bytes);
+                return bitAr;
+
+            }
+
+            return null;
+
+        }
+
+        public string GetRegisterString () {
+
+            if (this is NRegister<short> shortReg) {
+                return "DT";
+            }
+            if (this is NRegister<ushort> ushortReg) {
+                return "DT";
+            }
+            if (this is NRegister<int> intReg) {
+                return "DDT";
+            }
+            if (this is NRegister<uint> uintReg) {
+                return "DDT";
+            }
+            if (this is NRegister<float> floatReg) {
+                return "DDT";
+            }
+            if (this is BRegister boolReg) {
+                return boolReg.RegType.ToString();  
+            }
+            if (this is SRegister stringReg) {
+                return "DT";
+
+            }
+
+            return "Type of the register is not supported.";
+
+        }
+
+        public string GetRegisterPLCName () {
+
+            return $"{GetRegisterString()}{MemoryAdress}";
+
+        }
+
+    }
+
+}

MewtocolNet/Mewtocol/Subregisters/SRegister.cs

@@ -0,0 +1,58 @@
+using System;
+using System.Text;
+
+namespace MewtocolNet.Responses {
+    /// <summary>
+    /// Defines a register containing a string
+    /// </summary>
+    public class SRegister : Register {
+
+        private string lastVal = "";
+        public string Value {
+
+            get => lastVal;
+            
+        }
+
+        public short ReservedSize { get; set; }
+
+        /// <summary>
+        /// Defines a register containing a string
+        /// </summary>
+        public SRegister(int _adress, int _reservedStringSize, string _name = null) {
+
+            if (_adress > 99999) throw new NotSupportedException("Memory adresses cant be greater than 99999");
+            Name = _name;
+            MemoryAdress = _adress;
+            ReservedSize = (short)_reservedStringSize;
+
+            //calc mem length
+            var wordsize = (double)_reservedStringSize / 2;
+            if (wordsize % 2 != 0) {
+                wordsize++;
+            }
+
+            MemoryLength = (int)Math.Round(wordsize + 1);
+        }
+
+        public override string ToString() {
+            return $"Adress: {MemoryAdress} Val: {Value}";
+        }
+
+        public override string BuildMewtocolIdent() {
+            StringBuilder asciistring = new StringBuilder("D");
+            asciistring.Append(MemoryAdress.ToString().PadLeft(5, '0'));
+            asciistring.Append((MemoryAdress + MemoryLength).ToString().PadLeft(5, '0'));
+            return asciistring.ToString();
+        }
+
+        public void SetValueFromPLC (string val) {
+            lastVal = val;
+            TriggerChangedEvnt(this);
+            TriggerNotifyChange();
+        }
+
+
+    }
+
+}

MewtocolNet/Mewtocol/Subregisters/SRegisterResult.cs

@@ -0,0 +1,15 @@
+namespace MewtocolNet.Responses {
+    public class SRegisterResult {
+        public CommandResult Result { get; set; }
+        public SRegister Register { get; set; }
+
+        public override string ToString() {
+            string errmsg = Result.Success ? "" : $", Error [{Result.ErrorDescription}]";
+            return $"Result [{Result.Success}], Register [{Register.ToString()}]{errmsg}";
+        }
+    }
+
+
+
+
+}

MewtocolNet/MewtocolNet.csproj

@@ -1,6 +1,6 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net5.0</TargetFramework>
+    <TargetFramework>netstandard2.0</TargetFramework>
     <PackageId>AppLogger</PackageId>
     <Version>0.1.5</Version>
     <Authors>Felix Weiss</Authors>