From 4fb9910d549e7767b3765d7c662f81d47d268c44 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Felix=20Wei=C3=9F?=
 <72068105+Sandoun@users.noreply.github.com>
Date: Sun, 13 Aug 2023 23:31:34 +0200
Subject: [PATCH] Adjusted for new mewtocol ver

---
 Examples.WPF/Examples.WPF.csproj              |   4 +-
 .../TestRegisterCollection.cs                 |   3 +
 Examples.WPF/Views/ConnectView.xaml.cs        |  36 ++++-
 Examples.WPF/Views/PlcDataView.xaml           |  60 +++++++-
 MewtocolNet/CustomTypes/DateAndTime.cs        |  92 ++++++++++++
 MewtocolNet/Helpers/ParsedPlcName.cs          |   3 +
 MewtocolNet/IPlc.cs                           |  18 ++-
 MewtocolNet/Logging/Logger.cs                 |   4 +-
 MewtocolNet/Mewtocol.cs                       |  14 +-
 MewtocolNet/MewtocolInterface.cs              |  63 +++++---
 .../MewtocolInterfaceRegisterHandling.cs      |  32 ++--
 MewtocolNet/MewtocolNet.csproj                |  11 +-
 MewtocolNet/PublicEnums/OPMode.cs             |  16 +-
 .../RegisterAttributes/RegisterCollection.cs  |   3 +-
 MewtocolNet/RegisterBuilding/AddressTools.cs  |   4 +-
 .../BuilderPatterns/RBuild.cs                 | 114 +++-----------
 .../BuilderPatterns/RBuildAnon.cs             | 130 ++++++++++++++++
 .../BuilderPatterns/RBuildMulti.cs            | 142 ++++++++++++++++++
 MewtocolNet/Registers/Base/IRegister.cs       |   6 +
 MewtocolNet/Registers/Base/Register.cs        |   3 +
 .../Registers/Classes/StringRegister.cs       |   2 +-
 MewtocolNet/TypeConversion/Conversions.cs     |   9 ++
 .../UnderlyingRegisters/Areas/AreaBase.cs     |  58 ++++++-
 .../UnderlyingRegisters/Areas/IMemoryArea.cs  |  12 +-
 .../UnderlyingRegisters/MemoryAreaManager.cs  |  16 +-
 nuget.config                                  |   9 ++
 26 files changed, 696 insertions(+), 168 deletions(-)
 create mode 100644 MewtocolNet/CustomTypes/DateAndTime.cs
 create mode 100644 MewtocolNet/RegisterBuilding/BuilderPatterns/RBuildAnon.cs
 create mode 100644 MewtocolNet/RegisterBuilding/BuilderPatterns/RBuildMulti.cs
 create mode 100644 nuget.config

diff --git a/Examples.WPF/Examples.WPF.csproj b/Examples.WPF/Examples.WPF.csproj
index c9992de..fb8c0a6 100644
--- a/Examples.WPF/Examples.WPF.csproj
+++ b/Examples.WPF/Examples.WPF.csproj
@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-	<ProjectReference Include="..\MewtocolNet\MewtocolNet.csproj" />
+    <ProjectReference Include="..\MewtocolNet\MewtocolNet.csproj"/>
   </ItemGroup>
-
+	
 </Project>
diff --git a/Examples.WPF/RegisterCollections/TestRegisterCollection.cs b/Examples.WPF/RegisterCollections/TestRegisterCollection.cs
index 4ea16b7..df74e3f 100644
--- a/Examples.WPF/RegisterCollections/TestRegisterCollection.cs
+++ b/Examples.WPF/RegisterCollections/TestRegisterCollection.cs
@@ -19,6 +19,9 @@ public class TestRegisterCollection : RegisterCollection {
     [Register("R16B")]
     public bool TestR16B { get; set; }
 
+    [Register("R902")]
+    public bool Test { get; set; }
+
     [BitRegister("DT1000", 0), PollLevel(3)]
     public bool? TestDT100_Word_Duplicate_SingleBit { get; set; }
 
diff --git a/Examples.WPF/Views/ConnectView.xaml.cs b/Examples.WPF/Views/ConnectView.xaml.cs
index b438b2c..b83915c 100644
--- a/Examples.WPF/Views/ConnectView.xaml.cs
+++ b/Examples.WPF/Views/ConnectView.xaml.cs
@@ -2,6 +2,7 @@
 using Examples.WPF.ViewModels;
 using MewtocolNet;
 using MewtocolNet.ComCassette;
+using MewtocolNet.Logging;
 using MewtocolNet.Registers;
 using System;
 using System.Collections.Generic;
@@ -106,25 +107,44 @@ public partial class ConnectView : UserControl {
                 b.Struct<float>("DDT1016").PollLevel(2).Build();
                 b.Struct<TimeSpan>("DDT1018").PollLevel(2).Build();
 
-                b.String("DT1024", 32).PollLevel(3).Build();
-                b.String("DT1042", 5).PollLevel(4).Build();
+                b.Struct<DateAndTime>("DDT1020").PollLevel(2).Build();
+                b.Struct<DateAndTime>("DDT1022").PollLevel(2).Build();
+
+                b.String("DT1028", 32).PollLevel(3).Build();
+                b.String("DT1046", 5).PollLevel(4).Build();
+
+                b.Struct<Word>("DT1000").AsArray(5).PollLevel(1).Build();
 
             })
-            .WithHeartbeatTask(async () => {
+            .WithHeartbeatTask(async (plc) => {
 
-                await heartbeatSetter.WriteAsync((short)new Random().Next(short.MinValue, short.MaxValue));
+                var randShort = (short)new Random().Next(short.MinValue, short.MaxValue);
 
-                if (outputContactReference.Value != null)
-                    await outputContactReference.WriteAsync(!outputContactReference.Value.Value);
+                //write direct
+                //await heartbeatSetter.WriteAsync(randShort);
+                //or by anonymous
+                await plc.Register.Struct<short>("DT1000").WriteAsync(randShort);
 
-                if(testBoolReference.Value != null)
+                //write a register without a reference
+                bool randBool = new Random().Next(0, 2) == 1;
+                await plc.Register.Bool("Y4").WriteAsync(randBool);
+
+                if (testBoolReference.Value != null)
                     await testBoolReference.WriteAsync(!testBoolReference.Value.Value);
 
+                await plc.Register.Struct<DateAndTime>("DDT1022").WriteAsync(DateAndTime.FromDateTime(DateTime.UtcNow));
+
             })
             .Build();
 
             //connect to it
-            await App.ViewModel.Plc.ConnectAsync();
+            await App.ViewModel.Plc.ConnectAsync(async () => {
+
+                await App.ViewModel.Plc.RestartProgramAsync();
+
+            });
+
+            await App.ViewModel.Plc.AwaitFirstDataCycleAsync();
 
             if (App.ViewModel.Plc.IsConnected) {
 
diff --git a/Examples.WPF/Views/PlcDataView.xaml b/Examples.WPF/Views/PlcDataView.xaml
index d3951c0..8df66b1 100644
--- a/Examples.WPF/Views/PlcDataView.xaml
+++ b/Examples.WPF/Views/PlcDataView.xaml
@@ -49,6 +49,21 @@
                          Fill="Lime"
                          IsEnabled="{Binding Plc.IsConnected}"/>
 
+                <Run>
+                    <Run.Style>
+                        <Style TargetType="Run">
+                            <Style.Triggers>
+                                <DataTrigger Binding="{Binding Plc.IsRunMode, Mode=OneWay}" Value="True">
+                                    <Setter Property="Text" Value="RUN MODE"/>
+                                </DataTrigger>
+                                <DataTrigger Binding="{Binding Plc.IsRunMode, Mode=OneWay}" Value="False">
+                                    <Setter Property="Text" Value="NO RUN MODE"/>
+                                </DataTrigger>
+                            </Style.Triggers>
+                        </Style>
+                    </Run.Style>
+                </Run>
+
                 <TextBlock.Style>
                     <Style TargetType="TextBlock">
                         <Style.Triggers>
@@ -156,10 +171,13 @@
             <Grid.RowDefinitions>
                 <RowDefinition Height="auto"/>
                 <RowDefinition/>
+                <RowDefinition Height="auto"/>
+                <RowDefinition/>
             </Grid.RowDefinitions>
             
             <GridSplitter Grid.Column="1"
                           Grid.Row="1"
+                          Grid.RowSpan="3"
                           VerticalAlignment="Stretch"
                           HorizontalAlignment="Stretch"
                           Background="Gray" 
@@ -179,6 +197,7 @@
                        Margin="10"/>
 
             <DataGrid Grid.Row="1"
+                      Grid.RowSpan="3"
                       AutoGenerateColumns="False"
                       IsReadOnly="True"
                       ItemsSource="{Binding Plc.Registers, Mode=OneWay}">
@@ -219,14 +238,14 @@
                     <DataGridTemplateColumn Width="15">
                         <DataGridTemplateColumn.CellTemplate>
                             <DataTemplate>
-                                <Border Background="{Binding MemoryAreaHash, Mode=OneWay, Converter={StaticResource hashColor}}"/>
+                                <Border Background="{Binding MemoryArea, Mode=OneWay, Converter={StaticResource hashColor}}"/>
                             </DataTemplate>
                         </DataGridTemplateColumn.CellTemplate>
                     </DataGridTemplateColumn>
                 </DataGrid.Columns>
             </DataGrid>
 
-            <TextBlock Text="Property Bindings"
+            <TextBlock Text="Memory Areas"
                        Grid.Column="2"
                        FontSize="18"
                        Margin="10"/>
@@ -238,6 +257,43 @@
                     BorderBrush="LightBlue"
                     BorderThickness="1.5">
 
+                <DataGrid IsReadOnly="True"
+                          AutoGenerateColumns="False"
+                          ItemsSource="{Binding Plc.MemoryAreas, Mode=OneWay}">
+
+                    <DataGrid.Columns>
+                        
+                        <DataGridTextColumn Header="Address Range" Binding="{Binding AddressRange, Mode=OneWay}"/>
+
+                        <DataGridTemplateColumn Width="15">
+                            <DataGridTemplateColumn.CellTemplate>
+                                <DataTemplate>
+                                    <Border Background="{Binding Converter={StaticResource hashColor}}"/>
+                                </DataTemplate>
+                            </DataGridTemplateColumn.CellTemplate>
+                        </DataGridTemplateColumn>
+
+                        <DataGridTextColumn Header="Words" Binding="{Binding UnderlyingWordsString, Mode=OneWay}"/>
+
+                    </DataGrid.Columns>
+
+                </DataGrid>
+
+            </Border>
+
+            <TextBlock Text="Property Bindings"
+                       Grid.Column="2"
+                       Grid.Row="2"
+                       FontSize="18"
+                       Margin="10"/>
+
+            <Border Grid.Column="2"
+                    Grid.Row="3"
+                    VerticalAlignment="Stretch"
+                    HorizontalAlignment="Stretch"
+                    BorderBrush="LightBlue"
+                    BorderThickness="1.5">
+
                 <ScrollViewer>
 
                     <StackPanel>
diff --git a/MewtocolNet/CustomTypes/DateAndTime.cs b/MewtocolNet/CustomTypes/DateAndTime.cs
new file mode 100644
index 0000000..4fe0846
--- /dev/null
+++ b/MewtocolNet/CustomTypes/DateAndTime.cs
@@ -0,0 +1,92 @@
+using System;
+using System.Linq;
+using System.Runtime.InteropServices;
+
+namespace MewtocolNet {
+
+    /// <summary>
+    /// A DateAndTime struct of 4 bytes represented as seconds from 2001-01-01 in the PLC<br/>
+    /// This also works for the PLC type TIME_OF_DAY and DATE
+    /// </summary>
+    public struct DateAndTime : MewtocolExtTypeInit2Word {
+
+        internal DateTime value;
+
+        public DateAndTime(int year = 2001, int month = 1, int day = 1, int hour = 0, int minute = 0, int second = 0) {
+
+            var minDate = MinDate;
+            var maxDate = MaxDate;  
+
+            if (year < 2001 || year > 2099) 
+                throw new NotSupportedException("Year must be between 2001 and 2099");
+
+            if (month < 1 || month > 12)
+                throw new NotSupportedException("Month must be between 1 and 12");
+
+            if (day < 1 || day > 32)
+                throw new NotSupportedException("Day must be between 1 and 32");
+
+            if (day < 1 || day > 32)
+                throw new NotSupportedException("Month must be between 1 and 32");
+
+            var dt = new DateTime(year, month, day, hour, minute, second);
+
+            if (dt < minDate)
+                throw new Exception($"The minimal DATE_AND_TIME repesentation is {minDate}");
+
+            if (dt > maxDate)
+                throw new Exception($"The maximal DATE_AND_TIME repesentation is {maxDate}");
+
+            value = dt;
+
+        }
+
+        public static DateAndTime FromBytes(byte[] bytes) {
+
+            var secondsFrom = BitConverter.ToUInt32(bytes, 0);
+
+            return FromDateTime(MinDate + TimeSpan.FromSeconds(secondsFrom));
+
+        }
+
+        public static DateAndTime FromDateTime(DateTime time) => new DateAndTime(time.Year, time.Month, time.Day, time.Hour, time.Minute, time.Second);
+
+        //operations
+
+        public static TimeSpan operator -(DateAndTime a, DateAndTime b) => a.value - b.value;
+
+        public static DateAndTime operator +(DateAndTime a, TimeSpan b) => FromDateTime(a.value + b);
+
+        public static bool operator ==(DateAndTime a, DateAndTime b) => a.value == b.value;
+
+        public static bool operator !=(DateAndTime a, DateAndTime b) => a.value != b.value;
+
+        public override bool Equals(object obj) {
+
+            if ((obj == null) || !this.GetType().Equals(obj.GetType())) {
+                return false;
+            } else {
+                return (DateAndTime)obj == this;
+            }
+
+        }
+
+        public override int GetHashCode() => value.GetHashCode();
+
+        public byte[] ToByteArray() => BitConverter.GetBytes(SecondsSinceStart());
+
+        public DateTime ToDateTime() => value;
+
+        private uint SecondsSinceStart() => (uint)(value - MinDate).TotalSeconds;
+
+        private static DateTime MinDate => new DateTime(2001, 01, 01, 0, 0, 0);
+
+        private static DateTime MaxDate => new DateTime(2099, 12, 31, 23, 59, 59);
+
+        //string ops
+
+        public override string ToString() => $"DT#{value:yyyy-MM-dd-HH:mm:ss}";
+
+    }
+
+}
diff --git a/MewtocolNet/Helpers/ParsedPlcName.cs b/MewtocolNet/Helpers/ParsedPlcName.cs
index d35c03d..184ae0d 100644
--- a/MewtocolNet/Helpers/ParsedPlcName.cs
+++ b/MewtocolNet/Helpers/ParsedPlcName.cs
@@ -82,8 +82,11 @@ namespace MewtocolNet {
 
                     typeCode = (int)t;
                     discontinued = t.IsDiscontinued();
+                    
+                    #if Debug
                     exrt = t.IsEXRTPLC();
                     tested = t.WasTestedLive();
+                    #endif
 
                 }
 
diff --git a/MewtocolNet/IPlc.cs b/MewtocolNet/IPlc.cs
index e0b430d..ccca1d8 100644
--- a/MewtocolNet/IPlc.cs
+++ b/MewtocolNet/IPlc.cs
@@ -1,7 +1,9 @@
 using MewtocolNet.Events;
 using MewtocolNet.ProgramParsing;
 using MewtocolNet.RegisterBuilding;
+using MewtocolNet.RegisterBuilding.BuilderPatterns;
 using MewtocolNet.Registers;
+using MewtocolNet.UnderlyingRegisters;
 using System;
 using System.Collections.Generic;
 using System.ComponentModel;
@@ -69,6 +71,11 @@ namespace MewtocolNet {
         /// </summary>
         int PollerCycleDurationMs { get; }
 
+        /// <summary>
+        /// Shorthand indicator if the plc is in RUN mode
+        /// </summary>
+        bool IsRunMode { get; }
+
         /// <summary>
         /// Currently queued message count
         /// </summary>
@@ -94,12 +101,14 @@ namespace MewtocolNet {
         /// </summary>
         int ConnectTimeout { get; set; }
 
-        IEnumerable<IRegister> Registers { get; }   
+        IEnumerable<IRegister> Registers { get; }
+
+        RBuildAnon Register { get; }
 
         /// <summary>
         /// Tries to establish a connection with the device asynchronously
         /// </summary>
-        /// <param name="onConnected">A callback for excecuting something right after the plc connected</param>
+        /// <param name="onConnected">A callback for excecuting something inside the plc connetion process</param>
         /// <returns></returns>
         Task ConnectAsync(Func<Task> onConnected = null);
 
@@ -187,6 +196,11 @@ namespace MewtocolNet {
         /// </summary>
         string Explain();
 
+        /// <summary>
+        /// A readonly list of the underlying memory areas
+        /// </summary>
+        IReadOnlyList<IMemoryArea> MemoryAreas { get; }
+
     }
 
 }
diff --git a/MewtocolNet/Logging/Logger.cs b/MewtocolNet/Logging/Logger.cs
index 63b99e8..12226fd 100644
--- a/MewtocolNet/Logging/Logger.cs
+++ b/MewtocolNet/Logging/Logger.cs
@@ -16,7 +16,7 @@ namespace MewtocolNet.Logging {
         /// <summary>
         /// Defines the default output logger targets
         /// </summary>
-        public static LoggerTargets DefaultTargets { get; set; } = LoggerTargets.Console;
+        public static LoggerTargets DefaultTargets { get; set; } = LoggerTargets.None;
 
         internal static Action<DateTime, LogLevel, string> LogInvoked;
 
@@ -26,7 +26,7 @@ namespace MewtocolNet.Logging {
 
             OnNewLogMessage((d, l, m) => {
 
-                if(isConsoleApplication && DefaultTargets.HasFlag(LoggerTargets.Console)) {
+                if(isConsoleApplication || DefaultTargets.HasFlag(LoggerTargets.Console)) {
 
                     switch (l) {
                         case LogLevel.Error:
diff --git a/MewtocolNet/Mewtocol.cs b/MewtocolNet/Mewtocol.cs
index 8dc1d6c..f7076c3 100644
--- a/MewtocolNet/Mewtocol.cs
+++ b/MewtocolNet/Mewtocol.cs
@@ -379,12 +379,12 @@ namespace MewtocolNet
             /// <summary>
             /// A builder for attaching register collections
             /// </summary>
-            public PostInit<T> WithRegisters(Action<RBuild> builder) {
+            public PostInit<T> WithRegisters(Action<RBuildMulti> builder) {
 
                 try {
 
                     var plc = (MewtocolInterface)(object)intf;
-                    var regBuilder = new RBuild(plc);
+                    var regBuilder = new RBuildMulti(plc);
 
                     builder.Invoke(regBuilder);
 
@@ -406,7 +406,7 @@ namespace MewtocolNet
             /// </summary>
             /// <param name="heartBeatAsync"></param>
             /// <returns></returns>
-            public EndInitSetup<T> WithHeartbeatTask(Func<Task> heartBeatAsync, bool executeInProg = false) {
+            public EndInitSetup<T> WithHeartbeatTask(Func<IPlc,Task> heartBeatAsync, bool executeInProg = false) {
                 try {
 
                     var plc = (MewtocolInterface)(object)this.intf;
@@ -426,6 +426,14 @@ namespace MewtocolNet
 
             }
 
+            /// <summary>
+            /// Repeats the passed method each time the hearbeat is triggered,
+            /// use 
+            /// </summary>
+            /// <param name="heartBeatAsync"></param>
+            /// <returns></returns>
+            public EndInitSetup<T> WithHeartbeatTask(Func<Task> heartBeatAsync, bool executeInProg = false) => WithHeartbeatTask(heartBeatAsync, executeInProg);
+
             /// <summary>
             /// Builds and returns the final plc interface
             /// </summary>
diff --git a/MewtocolNet/MewtocolInterface.cs b/MewtocolNet/MewtocolInterface.cs
index 50f7e69..8e1665a 100644
--- a/MewtocolNet/MewtocolInterface.cs
+++ b/MewtocolNet/MewtocolInterface.cs
@@ -1,10 +1,12 @@
 using MewtocolNet.Events;
 using MewtocolNet.Helpers;
 using MewtocolNet.Logging;
+using MewtocolNet.RegisterBuilding.BuilderPatterns;
 using MewtocolNet.Registers;
 using MewtocolNet.UnderlyingRegisters;
 using System;
 using System.Collections.Generic;
+using System.Collections.ObjectModel;
 using System.ComponentModel;
 using System.Diagnostics;
 using System.IO;
@@ -156,6 +158,9 @@ namespace MewtocolNet {
         /// <inheritdoc/>
         public int BytesPerSecondDownstream => bytesPerSecondDownstream;
 
+        /// <inheritdoc/>
+        public bool IsRunMode => PlcInfo.IsRunMode;
+
         /// <inheritdoc/>
         public MewtocolVersion MewtocolVersion {
             get => mewtocolVersion;
@@ -168,6 +173,9 @@ namespace MewtocolNet {
         /// <inheritdoc/>
         public string ConnectionInfo => GetConnectionInfo();
 
+        /// <inheritdoc/>
+        public RBuildAnon Register => new RBuildAnon(this);
+
         #endregion
 
         #region Public read/write Properties / Fields
@@ -191,6 +199,21 @@ namespace MewtocolNet {
             Disconnected += MewtocolInterface_Disconnected;
             RegisterChanged += OnRegisterChanged;
 
+            PropertyChanged += (s, e) => {
+                if (e.PropertyName == nameof(PlcInfo)) {
+                    PlcInfo.PropertyChanged += (s1, e1) => {
+                        if (e1.PropertyName == nameof(PlcInfo.IsRunMode)) 
+                            OnPropChange(nameof(IsRunMode));
+                    };
+                }
+            };
+
+            memoryManager.MemoryLayoutChanged += () => {
+
+                OnPropChange(nameof(MemoryAreas));
+
+            };
+
         }
 
         internal MewtocolInterface Build () {
@@ -269,11 +292,20 @@ namespace MewtocolNet {
 
             if (callBack != null) {
 
-                await Task.Run(callBack);
+                await callBack();
 
                 Logger.Log($">> OnConnected run complete <<", LogLevel.Verbose, this);
 
-            } 
+                //run all register collection on online tasks
+                foreach (var col in registerCollections) {
+
+                    await col.OnInterfaceLinkedAndOnline(this);
+
+                }
+
+                Logger.Log($">> OnConnected register collections run complete <<", LogLevel.Verbose, this);
+
+            }
 
         }
 
@@ -281,7 +313,14 @@ namespace MewtocolNet {
         protected virtual Task ReconnectAsync(int conTimeout) => throw new NotImplementedException();
 
         /// <inheritdoc/>
-        public async Task AwaitFirstDataCycleAsync() => await firstPollTask;
+        public async Task AwaitFirstDataCycleAsync() {
+
+            if(firstPollTask != null && !firstPollTask.IsCompleted)
+                await firstPollTask;
+
+            await Task.CompletedTask;
+
+        }
 
         /// <inheritdoc/>
         public async Task DisconnectAsync() {
@@ -842,22 +881,8 @@ namespace MewtocolNet {
             isReconnectingStage = false;
             isConnectingStage = false;
 
-            if (!usePoller) {
-                firstPollTask.RunSynchronously();
-            }
-
             Connected?.Invoke(this, new PlcConnectionArgs());
 
-            PolledCycle += OnPollCycleDone;
-            void OnPollCycleDone() {
-
-                if(firstPollTask != null && !firstPollTask.IsCompleted)
-                    firstPollTask.RunSynchronously();
-                
-                PolledCycle -= OnPollCycleDone;
-
-            }
-
         }
 
         private protected void OnReconnected () {
@@ -982,8 +1007,12 @@ namespace MewtocolNet {
 
         #endregion
 
+        /// <inheritdoc/>
         public string Explain() => memoryManager.ExplainLayout();
 
+        /// <inheritdoc/>
+        public IReadOnlyList<IMemoryArea> MemoryAreas => memoryManager.GetAllMemoryAreas();
+
     }
 
 }
diff --git a/MewtocolNet/MewtocolInterfaceRegisterHandling.cs b/MewtocolNet/MewtocolInterfaceRegisterHandling.cs
index dcc9163..abcaa9c 100644
--- a/MewtocolNet/MewtocolInterfaceRegisterHandling.cs
+++ b/MewtocolNet/MewtocolInterfaceRegisterHandling.cs
@@ -18,10 +18,11 @@ namespace MewtocolNet {
     public abstract partial class MewtocolInterface {
 
         private bool heartbeatNeedsRun = false;
+        private bool heartbeatTimerRunning = false;
 
         internal Task heartbeatTask = Task.CompletedTask;
 
-        internal Func<Task> heartbeatCallbackTask;
+        internal Func<IPlc, Task> heartbeatCallbackTask;
         internal bool execHeartBeatCallbackTaskInProg = false;
 
         internal Task pollCycleTask;
@@ -73,6 +74,7 @@ namespace MewtocolNet {
 
                 heartBeatTimer.Elapsed -= PollTimerTick;
                 heartBeatTimer.Dispose();
+                heartbeatTimerRunning = false;
 
             }
             
@@ -82,12 +84,15 @@ namespace MewtocolNet {
 
             if (!IsConnected) return;
 
-            heartBeatTimer = new System.Timers.Timer();
-            heartBeatTimer.Interval = 3000;
-            heartBeatTimer.Elapsed += PollTimerTick;
-            heartBeatTimer.Start();
-
-            if (!usePoller) return;
+            if(!heartbeatTimerRunning) {
+                heartBeatTimer = new System.Timers.Timer();
+                heartBeatTimer.Interval = 3000;
+                heartBeatTimer.Elapsed += PollTimerTick;
+                heartBeatTimer.Start();
+                heartbeatTimerRunning = true;
+            }
+            
+            if (!usePoller || PollerActive) return;
 
             bool hasCyclic = memoryManager.HasCyclicPollableRegisters();
             bool hasFirstCycle = memoryManager.HasSingleCyclePollableRegisters();
@@ -154,7 +159,7 @@ namespace MewtocolNet {
             }
 
             if(heartbeatCallbackTask != null && (plcInfo.IsRunMode || execHeartBeatCallbackTaskInProg)) 
-                await heartbeatCallbackTask();
+                await heartbeatCallbackTask(this);
 
             Logger.LogVerbose("End heartbeat", this);
 
@@ -235,6 +240,12 @@ namespace MewtocolNet {
 
             sw.Stop();
 
+            if (firstPollTask != null && !firstPollTask.IsCompleted) {
+                firstPollTask.RunSynchronously();
+                firstPollTask = null;
+                Logger.Log("poll cycle first done");
+            }
+
             pollerFirstCycleCompleted = true;
             PollerCycleDurationMs = (int)sw.ElapsedMilliseconds;
 
@@ -296,11 +307,6 @@ namespace MewtocolNet {
                     collection.OnInterfaceLinked(this);
                 }
 
-                Connected += (s,e) => {
-                    if (collection != null)
-                        collection.OnInterfaceLinkedAndOnline(this);
-                };
-
             }
 
             AddRegisters(regBuild.assembler.assembled.ToArray());
diff --git a/MewtocolNet/MewtocolNet.csproj b/MewtocolNet/MewtocolNet.csproj
index d87d056..641176c 100644
--- a/MewtocolNet/MewtocolNet.csproj
+++ b/MewtocolNet/MewtocolNet.csproj
@@ -3,7 +3,6 @@
   <PropertyGroup>
 
 	<IsPublishable>false</IsPublishable>
-	  
     <TargetFramework>netstandard2.0</TargetFramework>
     <PackageId>Mewtocol.NET</PackageId>
     <Version>0.0.0</Version>
@@ -17,15 +16,19 @@
     <PackageTags>plc;panasonic;mewtocol;automation;</PackageTags>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
     <UserSecretsId>2ccdcc9b-94a3-4e76-8827-453ab889ea33</UserSecretsId>
-  
   </PropertyGroup>
   
-	<PropertyGroup Condition="'$(Configuration)'=='Release'">
+  <PropertyGroup Condition="'$(Configuration)'=='Release'">
     <DocumentationFile>..\Builds\MewtocolNet\MewtocolNet.xml</DocumentationFile>
     <OutputPath>..\Builds\MewtocolNet</OutputPath>
   </PropertyGroup>
+
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
+	<DocumentationFile>..\Builds\MewtocolNet\Debug\MewtocolNet.xml</DocumentationFile>
+	<OutputPath>..\Builds\MewtocolNet\Debug</OutputPath>
+  </PropertyGroup>
   
-	<ItemGroup>
+  <ItemGroup>
   	<AssemblyAttribute Include="System.Runtime.CompilerServices.InternalsVisibleTo">
   		<_Parameter1>MewtocolTests</_Parameter1>
   	</AssemblyAttribute>
diff --git a/MewtocolNet/PublicEnums/OPMode.cs b/MewtocolNet/PublicEnums/OPMode.cs
index 73a8467..7d4917b 100644
--- a/MewtocolNet/PublicEnums/OPMode.cs
+++ b/MewtocolNet/PublicEnums/OPMode.cs
@@ -15,35 +15,35 @@ namespace MewtocolNet {
         /// <summary>
         /// Is in RUN mode, otherwise its PROG Mode
         /// </summary>
-        RunMode = 1,
+        RunMode = 1 << 0,
         /// <summary>
         /// Is in test mode, otherwise ok
         /// </summary>
-        TestMode = 2,
+        TestMode = 1 << 1,
         /// <summary>
         /// Is BRK/1 step executed
         /// </summary>
-        BreakPointPerOneStep = 4,
+        BreakPointPerOneStep = 1 << 2,
         /// <summary>
         /// Is BRK command enabled
         /// </summary>
-        BreakEnabled = 16,
+        BreakEnabled = 1 << 3,
         /// <summary>
         /// Is outputting to external device
         /// </summary>
-        ExternalOutput = 32,
+        ExternalOutput = 1 << 4,
         /// <summary>
         /// Is 1 step exec enabled
         /// </summary>
-        OneStepExecEnabled = 64,
+        OneStepExecEnabled = 1 << 5,
         /// <summary>
         /// Is a message displayed?
         /// </summary>
-        MessageInstructionDisplayed = 128,
+        MessageInstructionDisplayed = 1 << 6,
         /// <summary>
         /// Is in remote mode
         /// </summary>
-        RemoteMode = 255,
+        RemoteMode = 1 << 7,
 
     }
 
diff --git a/MewtocolNet/RegisterAttributes/RegisterCollection.cs b/MewtocolNet/RegisterAttributes/RegisterCollection.cs
index b05bc5a..95051d2 100644
--- a/MewtocolNet/RegisterAttributes/RegisterCollection.cs
+++ b/MewtocolNet/RegisterAttributes/RegisterCollection.cs
@@ -1,6 +1,7 @@
 using MewtocolNet.Registers;
 using System.ComponentModel;
 using System.Runtime.CompilerServices;
+using System.Threading.Tasks;
 
 namespace MewtocolNet.RegisterAttributes {
 
@@ -57,7 +58,7 @@ namespace MewtocolNet.RegisterAttributes {
         /// and the plc connection is established
         /// </summary>
         /// <param name="plc">The parent interface</param>
-        public virtual void OnInterfaceLinkedAndOnline(MewtocolInterface plc) { }
+        public virtual Task OnInterfaceLinkedAndOnline(MewtocolInterface plc) => Task.CompletedTask;
 
     }
 
diff --git a/MewtocolNet/RegisterBuilding/AddressTools.cs b/MewtocolNet/RegisterBuilding/AddressTools.cs
index e2ebabb..4837fad 100644
--- a/MewtocolNet/RegisterBuilding/AddressTools.cs
+++ b/MewtocolNet/RegisterBuilding/AddressTools.cs
@@ -25,12 +25,12 @@ namespace MewtocolNet.RegisterBuilding {
             (x) => TryBuildNumericBased(x),
 
         };
-
+        
         //bool registers
         private static ParseResult TryBuildBoolean(string plcAddrName) {
 
             //regex to find special register values
-            var patternBool = new Regex(@"(?<prefix>X|Y|R)(?<area>[0-9]{0,3})(?<special>(?:[0-9]|[A-F]){1})?");
+            var patternBool = new Regex(@"(?<prefix>X|Y|R)(?<area>[0-9]{0,3})(?<special>(?:[0-9]|[A-F]){1})");
 
             var match = patternBool.Match(plcAddrName);
 
diff --git a/MewtocolNet/RegisterBuilding/BuilderPatterns/RBuild.cs b/MewtocolNet/RegisterBuilding/BuilderPatterns/RBuild.cs
index f4da17f..55a098b 100644
--- a/MewtocolNet/RegisterBuilding/BuilderPatterns/RBuild.cs
+++ b/MewtocolNet/RegisterBuilding/BuilderPatterns/RBuild.cs
@@ -34,10 +34,13 @@ namespace MewtocolNet.RegisterBuilding.BuilderPatterns {
 
         //bool constructor
 
-        public StructStp<bool> Bool(string fpAddr, string name = null) {
+        internal StructStp<bool> Bool(string fpAddr, string name = null) {
 
             var data = AddressTools.ParseAddress(fpAddr, name);
 
+            if (!data.regType.IsBoolean())
+                throw new NotSupportedException($"The address '{fpAddr}' was no boolean FP address");
+
             data.dotnetVarType = typeof(bool);
 
             return new StructStp<bool>(data) {
@@ -48,10 +51,13 @@ namespace MewtocolNet.RegisterBuilding.BuilderPatterns {
 
         //struct constructor 
 
-        public StructStp<T> Struct<T>(string fpAddr, string name = null) where T : struct {
+        internal StructStp<T> Struct<T>(string fpAddr, string name = null) where T : struct {
 
             var data = AddressTools.ParseAddress(fpAddr, name);
 
+            if (data.regType.IsBoolean())
+                throw new NotSupportedException($"The address '{fpAddr}' was no DT address");
+
             data.dotnetVarType = typeof(T);
 
             return new StructStp<T>(data) {
@@ -62,10 +68,13 @@ namespace MewtocolNet.RegisterBuilding.BuilderPatterns {
 
         //string constructor
 
-        public StringStp<string> String(string fpAddr, int sizeHint, string name = null) {
+        internal StringStp<string> String(string fpAddr, int sizeHint, string name = null) {
 
             var data = AddressTools.ParseAddress(fpAddr, name);
 
+            if (data.regType.IsBoolean())
+                throw new NotSupportedException($"The address '{fpAddr}' was no string address");
+
             data.dotnetVarType = typeof(string);
             data.byteSizeHint = (uint)sizeHint;
 
@@ -82,6 +91,8 @@ namespace MewtocolNet.RegisterBuilding.BuilderPatterns {
         //structs can lead to arrays
         public class StructStp<T> : ArrayStp<T> where T : struct {
 
+            internal StructStp() {}
+
             internal StructStp(StepData data) {
 
                 this.Data = data;
@@ -89,30 +100,13 @@ namespace MewtocolNet.RegisterBuilding.BuilderPatterns {
 
             }
 
-            public void Build() => builder.Assemble(this);
-
-            public void Build(out IRegister<T> reference) => reference = (IRegister<T>)builder.Assemble(this);
-
-            public StructStpOut<T> PollLevel(int level) {
-
-                Data.pollLevel = level;
-                return new StructStpOut<T>().Map(this);
-
-            }
-
-        }
-
-        public class StructStpOut<T> : SBaseRB where T : struct {
-
-            public void Build() => builder.Assemble(this);
-
-            public void Build(out IRegister<T> reference) => reference = (IRegister<T>)builder.Assemble(this);
-
         }
 
         //strings can lead to arrays
         public class StringStp<T> : ArrayStp<T> where T : class {
 
+            internal StringStp() { }
+
             internal StringStp(StepData data) {
 
                 this.Data = data;
@@ -120,25 +114,6 @@ namespace MewtocolNet.RegisterBuilding.BuilderPatterns {
 
             }
 
-            public void Build() => builder.Assemble(this);
-
-            public void Build(out IStringRegister reference) => reference = (IStringRegister)builder.Assemble(this);
-
-            public StringOutStp PollLevel(int level) {
-
-                Data.pollLevel = level;
-                return new StringOutStp().Map(this);
-
-            }
-
-        }
-
-        public class StringOutStp : SBaseRB {
-
-            public void Build() => builder.Assemble(this);
-
-            public void Build(out IStringRegister reference) => reference = (IStringRegister)builder.Assemble(this);
-
         }
 
         //arrays
@@ -199,66 +174,21 @@ namespace MewtocolNet.RegisterBuilding.BuilderPatterns {
 
         //1D array
 
-        public class TypedArr1D<T> : TypedArr1DOut<T> {
+        public class TypedArr1D<T> : TypedArr1DOut<T> { }
 
-            public TypedArr1DOut<T> PollLevel(int level) {
-
-                Data.pollLevel = level;
-                return new TypedArr1DOut<T>().Map(this);
-
-            }
-
-        }
-
-        public class TypedArr1DOut<T> : SBaseRB {
-
-            public IArrayRegister<T> Build() => (IArrayRegister<T>)builder.Assemble(this);
-
-            public void Build(out IArrayRegister<T> reference) => reference = (IArrayRegister<T>)builder.Assemble(this);
-
-        }
+        public class TypedArr1DOut<T> : SBaseRB { }
 
         //2D array
 
-        public class TypedArr2D<T> : TypedArr2DOut<T> {
+        public class TypedArr2D<T> : TypedArr2DOut<T> { }
 
-            public TypedArr2DOut<T> PollLevel(int level) {
-
-                Data.pollLevel = level;
-                return new TypedArr2DOut<T>().Map(this);
-
-            }
-
-        }
-
-        public class TypedArr2DOut<T> : SBaseRB {
-
-            public IArrayRegister2D<T> Build() => (IArrayRegister2D<T>)builder.Assemble(this);
-
-            public void Build(out IArrayRegister2D<T> reference) => reference = (IArrayRegister2D<T>)builder.Assemble(this);
-
-        }
+        public class TypedArr2DOut<T> : SBaseRB { }
 
         //3D array
 
-        public class TypedArr3D<T> : SBaseRB {
+        public class TypedArr3D<T> : SBaseRB { }
 
-            public TypedArr3DOut<T> PollLevel(int level) {
-
-                Data.pollLevel = level;
-                return new TypedArr3DOut<T>().Map(this);
-
-            }
-
-        }
-
-        public class TypedArr3DOut<T> : SBaseRB {
-
-            public IArrayRegister3D<T> Build() => (IArrayRegister3D<T>)builder.Assemble(this);
-
-            public void Build(out IArrayRegister3D<T> reference) => reference = (IArrayRegister3D<T>)builder.Assemble(this);
-
-        }
+        public class TypedArr3DOut<T> : SBaseRB { }
 
         #endregion
 
diff --git a/MewtocolNet/RegisterBuilding/BuilderPatterns/RBuildAnon.cs b/MewtocolNet/RegisterBuilding/BuilderPatterns/RBuildAnon.cs
new file mode 100644
index 0000000..f2b1515
--- /dev/null
+++ b/MewtocolNet/RegisterBuilding/BuilderPatterns/RBuildAnon.cs
@@ -0,0 +1,130 @@
+using MewtocolNet.Registers;
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MewtocolNet.RegisterBuilding.BuilderPatterns {
+
+    /// <summary>
+    /// An anonymous register build interface
+    /// </summary>
+    public class RBuildAnon : RBuild {
+
+        internal RBuildAnon(MewtocolInterface plc) : base(plc) { }
+
+        public new MultStructStp<bool> Bool(string fpAddr) => new MultStructStp<bool>().Map(base.Bool(fpAddr));
+
+        public new MultStructStp<T> Struct<T>(string fpAddr) where T : struct => new MultStructStp<T>().Map(base.Struct<T>(fpAddr));
+
+        public new MultStringStp<string> String(string fpAddr, int sizeHint) => new MultStringStp<string>().Map(base.String(fpAddr, sizeHint));
+
+        public class MultStructStp<T> : MultArrayStp<T> where T : struct {
+
+            public async Task WriteAsync(T value) {
+
+                var reg = (IRegister<T>)builder.Assemble(this);
+                await reg.WriteAsync(value);
+
+            }
+
+            public async Task<T> ReadAsync() {
+
+                var reg = (IRegister<T>)builder.Assemble(this);
+                return await reg.ReadAsync();
+
+            }
+
+        }
+
+        public class MultStringStp<T> : MultArrayStp<T> where T : class {
+
+            public async Task WriteAsync(string value) {
+
+                var reg = (IStringRegister)builder.Assemble(this);
+                await reg.WriteAsync(value);
+
+            }
+
+            public async Task<string> ReadAsync() {
+
+                var reg = (IStringRegister)builder.Assemble(this);
+                return await reg.ReadAsync();
+
+            }
+
+        }
+
+        public class MultArrayStp<T> : ArrayStp<T> {
+
+            public new MultTypedArr1D<T> AsArray(int i) => new MultTypedArr1D<T>().Map(base.AsArray(i));
+
+            public new MultTypedArr2D<T> AsArray(int i1, int i2) => new MultTypedArr2D<T>().Map(base.AsArray(i1, i2));
+
+            public new MultTypedArr3D<T> AsArray(int i1, int i2, int i3) => new MultTypedArr3D<T>().Map(base.AsArray(i1, i2, i3));
+
+        }
+
+        //1D array
+
+        public class MultTypedArr1D<T> : TypedArr1D<T> {
+
+            public async Task WriteAsync(T[] value) {
+
+                var reg = (IArrayRegister<T>)builder.Assemble(this);
+                await reg.WriteAsync(value);
+
+            }
+
+            public async Task<T[]> ReadAsync() {
+
+                var reg = (IArrayRegister<T>)builder.Assemble(this);
+                return await reg.ReadAsync();
+
+            }
+
+        }
+
+        //2D array
+
+        public class MultTypedArr2D<T> : TypedArr2D<T> {
+
+            public async Task WriteAsync(T[,] value) {
+
+                var reg = (IArrayRegister2D<T>)builder.Assemble(this);
+                await reg.WriteAsync(value);
+
+            }
+
+            public async Task<T[,]> ReadAsync() {
+
+                var reg = (IArrayRegister2D<T>)builder.Assemble(this);
+                return await reg.ReadAsync();
+
+            }
+
+        }
+
+        //3D array
+
+        public class MultTypedArr3D<T> : TypedArr3D<T> {
+
+            public async Task WriteAsync(T[,,] value) {
+
+                var reg = (IArrayRegister3D<T>)builder.Assemble(this);
+                await reg.WriteAsync(value);
+
+            }
+
+            public async Task<T[,,]> ReadAsync() {
+
+                var reg = (IArrayRegister3D<T>)builder.Assemble(this);
+                return await reg.ReadAsync();
+
+            }
+
+        }
+
+    }
+
+}
diff --git a/MewtocolNet/RegisterBuilding/BuilderPatterns/RBuildMulti.cs b/MewtocolNet/RegisterBuilding/BuilderPatterns/RBuildMulti.cs
new file mode 100644
index 0000000..21db4a4
--- /dev/null
+++ b/MewtocolNet/RegisterBuilding/BuilderPatterns/RBuildMulti.cs
@@ -0,0 +1,142 @@
+using MewtocolNet.Registers;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace MewtocolNet.RegisterBuilding.BuilderPatterns {
+
+    public class RBuildMulti : RBuild {
+    
+        internal RBuildMulti(MewtocolInterface plc) : base(plc) {}
+
+        //bool constructor
+        public new MultStructStp<bool> Bool(string fpAddr, string name = null) => new MultStructStp<bool>().Map(base.Bool(fpAddr, name));
+
+        //struct constructor 
+        public new MultStructStp<T> Struct<T>(string fpAddr, string name = null) where T : struct => new MultStructStp<T>().Map(base.Struct<T>(fpAddr, name));
+
+        //string constructor
+        public new MultStringStp<string> String(string fpAddr, int sizeHint, string name = null) => new MultStringStp<string>().Map(base.String(fpAddr, sizeHint, name));
+
+        public class MultStructStp<T> : MultArrayStp<T> where T : struct {
+
+            public void Build() => builder.Assemble(this);
+
+            public void Build(out IRegister<T> reference) => reference = (IRegister<T>)builder.Assemble(this);
+
+            public StructStpOut<T> PollLevel(int level) {
+
+                Data.pollLevel = level;
+                return new StructStpOut<T>().Map(this);
+
+            }
+
+        }
+
+        public class StructStpOut<T> : SBaseRB where T : struct {
+
+            public void Build() => builder.Assemble(this);
+
+            public void Build(out IRegister<T> reference) => reference = (IRegister<T>)builder.Assemble(this);
+
+        }
+
+        public class MultStringStp<T> : MultArrayStp<T> where T : class {
+
+            public void Build() => builder.Assemble(this);
+
+            public void Build(out IStringRegister reference) => reference = (IStringRegister)builder.Assemble(this);
+
+            public StringOutStp PollLevel(int level) {
+
+                Data.pollLevel = level;
+                return new StringOutStp().Map(this);
+
+            }
+
+        }
+
+        public class StringOutStp : SBaseRB {
+
+            public void Build() => builder.Assemble(this);
+
+            public void Build(out IStringRegister reference) => reference = (IStringRegister)builder.Assemble(this);
+
+        }
+
+        public class MultArrayStp<T> : ArrayStp<T> {
+
+            public new MultTypedArr1D<T> AsArray(int i) => new MultTypedArr1D<T>().Map(base.AsArray(i));
+
+            public new MultTypedArr2D<T> AsArray(int i1, int i2) => new MultTypedArr2D<T>().Map(base.AsArray(i1, i2));
+
+            public new MultTypedArr3D<T> AsArray(int i1, int i2, int i3) => new MultTypedArr3D<T>().Map(base.AsArray(i1, i2, i3));
+
+        }
+
+        //1D array
+
+        public class MultTypedArr1D<T> : TypedArr1D<T> {
+
+            public MultTypedArr1DOut<T> PollLevel(int level) {
+
+                Data.pollLevel = level;
+                return new MultTypedArr1DOut<T>().Map(this);
+
+            }
+
+        }
+
+        public class MultTypedArr1DOut<T> : TypedArr1DOut<T> {
+
+            public IArrayRegister<T> Build() => (IArrayRegister<T>)builder.Assemble(this);
+
+            public void Build(out IArrayRegister<T> reference) => reference = (IArrayRegister<T>)builder.Assemble(this);
+
+        }
+
+        //2D array
+
+        public class MultTypedArr2D<T> : TypedArr2D<T> {
+
+            public MultTypedArr2DOut<T> PollLevel(int level) {
+
+                Data.pollLevel = level;
+                return new MultTypedArr2DOut<T>().Map(this);
+
+            }
+
+        }
+
+        public class MultTypedArr2DOut<T> : TypedArr2DOut<T> {
+
+            public IArrayRegister2D<T> Build() => (IArrayRegister2D<T>)builder.Assemble(this);
+
+            public void Build(out IArrayRegister2D<T> reference) => reference = (IArrayRegister2D<T>)builder.Assemble(this);
+
+        }
+
+        //3D array
+
+        public class MultTypedArr3D<T> : TypedArr3D<T> {
+
+            public MultTypedArr3DOut<T> PollLevel(int level) {
+
+                Data.pollLevel = level;
+                return new MultTypedArr3DOut<T>().Map(this);
+
+            }
+
+        }
+
+        public class MultTypedArr3DOut<T> : TypedArr3DOut<T> {
+
+            public IArrayRegister3D<T> Build() => (IArrayRegister3D<T>)builder.Assemble(this);
+
+            public void Build(out IArrayRegister3D<T> reference) => reference = (IArrayRegister3D<T>)builder.Assemble(this);
+
+        }
+
+    }
+
+}
diff --git a/MewtocolNet/Registers/Base/IRegister.cs b/MewtocolNet/Registers/Base/IRegister.cs
index e4cbe4f..f1d1f37 100644
--- a/MewtocolNet/Registers/Base/IRegister.cs
+++ b/MewtocolNet/Registers/Base/IRegister.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Threading.Tasks;
 using MewtocolNet.Events;
+using MewtocolNet.UnderlyingRegisters;
 
 namespace MewtocolNet.Registers {
 
@@ -20,6 +21,11 @@ namespace MewtocolNet.Registers {
         /// </summary>
         bool IsAutoGenerated { get; }   
 
+        /// <summary>
+        /// The readonly memory area of the register
+        /// </summary>
+        IMemoryArea MemoryArea { get; } 
+
         /// <summary>
         /// Type of the underlying register
         /// </summary>
diff --git a/MewtocolNet/Registers/Base/Register.cs b/MewtocolNet/Registers/Base/Register.cs
index d5dd69d..815c5c6 100644
--- a/MewtocolNet/Registers/Base/Register.cs
+++ b/MewtocolNet/Registers/Base/Register.cs
@@ -66,6 +66,9 @@ namespace MewtocolNet.Registers {
         /// <inheritdoc/>
         public RegisterPrefix RegisterType { get; internal set; }
 
+        /// <inheritdoc/>
+        public IMemoryArea MemoryArea => underlyingMemory;
+
         /// <inheritdoc/>
         public string Name => name;
 
diff --git a/MewtocolNet/Registers/Classes/StringRegister.cs b/MewtocolNet/Registers/Classes/StringRegister.cs
index 425aa86..f510a6e 100644
--- a/MewtocolNet/Registers/Classes/StringRegister.cs
+++ b/MewtocolNet/Registers/Classes/StringRegister.cs
@@ -123,7 +123,7 @@ namespace MewtocolNet.Registers {
             //if string correct the sizing of the byte hint was wrong
             var reservedSize = BitConverter.ToInt16(bytes, 0);
 
-            if (reservedStringLength != reservedSize && attachedInterface.PlcInfo.IsRunMode)
+            if (reservedStringLength != reservedSize && attachedInterface.PlcInfo.IsRunMode && !attachedInterface.isConnectingStage)
                 throw new NotSupportedException(
                     $"The STRING register at {GetMewName()} is not correctly sized, " +
                     $"the size should be STRING[{reservedSize}] instead of STRING[{reservedStringLength}]"
diff --git a/MewtocolNet/TypeConversion/Conversions.cs b/MewtocolNet/TypeConversion/Conversions.cs
index d41589e..882c315 100644
--- a/MewtocolNet/TypeConversion/Conversions.cs
+++ b/MewtocolNet/TypeConversion/Conversions.cs
@@ -127,6 +127,15 @@ namespace MewtocolNet.TypeConversion {
 
                 },
             },
+
+            //default Datetime DDT conversion
+            new PlcTypeConversion<DateAndTime>(RegisterPrefix.DDT) {
+                HoldingRegisterType = typeof(StructRegister<DateAndTime>),
+                PlcVarType = PlcVarType.DATE_AND_TIME,
+                FromRaw = (reg, bytes) => DateAndTime.FromBytes(bytes),
+                ToRaw = (reg, value) => value.ToByteArray(),
+            },
+
             //default string DT Range conversion Example bytes: (04 00 03 00 XX XX XX) 
             //first 4 bytes are reserved size (2 bytes) and used size (2 bytes)
             //the remaining bytes are the ascii bytes for the string
diff --git a/MewtocolNet/UnderlyingRegisters/Areas/AreaBase.cs b/MewtocolNet/UnderlyingRegisters/Areas/AreaBase.cs
index 2dc33cc..ff79503 100644
--- a/MewtocolNet/UnderlyingRegisters/Areas/AreaBase.cs
+++ b/MewtocolNet/UnderlyingRegisters/Areas/AreaBase.cs
@@ -2,17 +2,21 @@
 using System;
 using System.Collections;
 using System.Collections.Generic;
+using System.ComponentModel;
 using System.Linq;
+using System.Runtime.CompilerServices;
 using System.Text;
 using System.Threading.Tasks;
 
 namespace MewtocolNet.UnderlyingRegisters {
 
-    public class AreaBase {
+    internal class AreaBase : IMemoryArea {
 
         private MewtocolInterface mewInterface;
+        private int pollLevel;
 
         internal RegisterPrefix registerType;
+
         internal ulong addressStart;
         internal ulong addressEnd;
 
@@ -23,12 +27,25 @@ namespace MewtocolNet.UnderlyingRegisters {
         /// </summary>
         internal List<LinkedRegisterGroup> managedRegisters = new List<LinkedRegisterGroup>();
 
+        public event PropertyChangedEventHandler PropertyChanged;
+
         public ulong AddressStart => addressStart;
         public ulong AddressEnd => addressEnd;
 
-        internal AreaBase(MewtocolInterface mewIf) {
+        //interface
+
+        public string AddressRange => GetAddressRangeString();
+
+        public IReadOnlyList<Word> UnderlyingWords => GetUnderlyingWords();
+
+        public string UnderlyingWordsString => string.Join(" ", GetUnderlyingWords());
+
+        public int PollLevel => pollLevel;
+
+        internal AreaBase(MewtocolInterface mewIf, int pollLvl) {
 
             mewInterface = mewIf;
+            pollLevel = pollLvl;
 
         }
 
@@ -49,6 +66,9 @@ namespace MewtocolNet.UnderlyingRegisters {
             addressStart = addFrom;
             addressEnd = addTo;
 
+            OnPropChange(nameof(AddressRange));
+            OnPropChange(nameof(UnderlyingWords));
+
         }
 
         public void UpdateAreaRegisterValues() {
@@ -61,6 +81,9 @@ namespace MewtocolNet.UnderlyingRegisters {
                 var bytes = this.GetUnderlyingBytes(regStart, addLen);
                 register.SetValueFromBytes(bytes);
 
+                OnPropChange(nameof(UnderlyingWords));
+                OnPropChange(nameof(UnderlyingWordsString));
+
             }
 
         }
@@ -112,6 +135,8 @@ namespace MewtocolNet.UnderlyingRegisters {
 
             var bitArr = new BitArray(underlyingBefore);
 
+            bitArr[bitIndex] = value;   
+
             bitArr.CopyTo(underlyingBefore, 0);
 
             SetUnderlyingBytes(underlyingBefore, reg.MemoryAddress);
@@ -131,22 +156,45 @@ namespace MewtocolNet.UnderlyingRegisters {
 
         }
 
-        public override string ToString() {
+        private List<Word> GetUnderlyingWords () {
+
+            var bytes = GetUnderlyingBytes((uint)AddressStart, (int)(addressEnd - AddressStart) + 1);
+            var words = new List<Word>();
+
+            for (int i = 0; i < bytes.Length / 2; i += 2) {
+
+                words.Add(new Word(new byte[] { bytes[i], bytes[i + 1] }));
+
+            }
+
+            return words;
+        
+        }
+
+        private string GetAddressRangeString() {
 
             switch (registerType) {
                 case RegisterPrefix.X:
                 case RegisterPrefix.Y:
                 case RegisterPrefix.R:
-                return $"W{registerType}{AddressStart}-{AddressEnd} ({managedRegisters.Count} Registers)";
+                return $"W{registerType}{AddressStart}-{AddressEnd}";
                 case RegisterPrefix.DT:
                 case RegisterPrefix.DDT:
-                return $"DT{AddressStart}-{AddressEnd} ({managedRegisters.Count} Registers)";
+                return $"DT{AddressStart}-{AddressEnd}";
             }
 
             return "";
 
         }
 
+        public override string ToString() => $"{GetAddressRangeString()} ({managedRegisters.Count} Registers)";
+
+        private protected void OnPropChange([CallerMemberName] string propertyName = null) {
+
+            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+
+        }
+
     }
 
 }
diff --git a/MewtocolNet/UnderlyingRegisters/Areas/IMemoryArea.cs b/MewtocolNet/UnderlyingRegisters/Areas/IMemoryArea.cs
index 3bc41a2..c23932a 100644
--- a/MewtocolNet/UnderlyingRegisters/Areas/IMemoryArea.cs
+++ b/MewtocolNet/UnderlyingRegisters/Areas/IMemoryArea.cs
@@ -1,16 +1,18 @@
 using MewtocolNet.Registers;
+using System.Collections.Generic;
+using System.ComponentModel;
 
 namespace MewtocolNet.UnderlyingRegisters {
 
-    internal interface IMemoryArea {
+    public interface IMemoryArea : INotifyPropertyChanged {
 
-        string GetName();
+        string AddressRange { get; }
 
-        byte[] GetUnderlyingBytes(Register reg);
+        IReadOnlyList<Word> UnderlyingWords { get; }    
 
-        void SetUnderlyingBytes(Register reg, byte[] bytes);
+        string UnderlyingWordsString { get; }   
 
-        void UpdateAreaRegisterValues();
+        int PollLevel { get; }  
 
     }
 
diff --git a/MewtocolNet/UnderlyingRegisters/MemoryAreaManager.cs b/MewtocolNet/UnderlyingRegisters/MemoryAreaManager.cs
index 1f22cd3..0fa133c 100644
--- a/MewtocolNet/UnderlyingRegisters/MemoryAreaManager.cs
+++ b/MewtocolNet/UnderlyingRegisters/MemoryAreaManager.cs
@@ -221,7 +221,7 @@ namespace MewtocolNet.UnderlyingRegisters {
             //create a new area
             if (targetArea == null) {
 
-                targetArea = new AreaBase(mewInterface) {
+                targetArea = new AreaBase(mewInterface, pollLevelFound.level) {
                     addressStart = regInsAddStart,
                     addressEnd = regInsAddEnd,
                     registerType = insertReg.RegisterType,
@@ -455,6 +455,20 @@ namespace MewtocolNet.UnderlyingRegisters {
 
         }
 
+        internal IReadOnlyList<IMemoryArea> GetAllMemoryAreas() {
+
+            List<IMemoryArea> areas = new List<IMemoryArea>();
+
+            foreach (var lvl in pollLevels) {
+
+                areas.AddRange(lvl.GetAllAreas());
+
+            }
+
+            return areas;
+
+        }
+
         internal bool HasSingleCyclePollableRegisters() {
 
             bool hasCyclicPollableLevels = pollLevels.Any(x => x.level != MewtocolNet.PollLevel.FirstIteration);
diff --git a/nuget.config b/nuget.config
new file mode 100644
index 0000000..b90a6f6
--- /dev/null
+++ b/nuget.config
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+	<packageSources>
+		<add key="LocalMewtocolNetNuget" value="Builds/MewtocolNet/Debug" />
+	</packageSources>
+	<activePackageSource>
+      <add key="All" value="(Aggregate source)" />
+    </activePackageSource>
+</configuration>
\ No newline at end of file