Add Serials

Toolkit.Foundation/ISerialConfiguration.cs

@@ -0,0 +1,8 @@
+namespace Toolkit.Foundation;
+
+public interface ISerialConfiguration
+{
+    public string PortName { get; set; }
+
+    public int BaudRate { get; set; }
+}

Toolkit.Foundation/ISerialConnection.cs

@@ -0,0 +1,10 @@
+namespace Toolkit.Foundation;
+
+public interface ISerialConnection
+{
+    bool IsOpen { get; }
+
+    void Close();
+
+    bool Open();
+}

Toolkit.Foundation/ISerialConnectionStreamer.cs

@@ -0,0 +1,6 @@
+namespace Toolkit.Foundation;
+
+public interface ISerialConnectionStreamer
+{
+    Stream Stream { get; }
+}

Toolkit.Foundation/ISerialContext.cs

@@ -0,0 +1,7 @@
+namespace Toolkit.Foundation;
+
+public interface ISerialContext<TSerialReader, TContent> :
+    ISerialContext where TSerialReader : SerialReader<TContent>
+{
+
+}

Toolkit.Foundation/ISerialContext1.cs

@@ -0,0 +1,6 @@
+namespace Toolkit.Foundation;
+
+public interface ISerialContext
+{
+    void Open();
+}

Toolkit.Foundation/ISerialFactory.cs

@@ -0,0 +1,7 @@
+namespace Toolkit.Foundation;
+
+public interface ISerialFactory
+{
+    ISerialContext<TSerialReader, TContent> Create<TSerialReader, TContent>(ISerialConfiguration configuration)
+        where TSerialReader : SerialReader<TContent>;
+}

Toolkit.Foundation/ISerialResponse.cs

@@ -0,0 +1,6 @@
+namespace Toolkit.Foundation;
+
+public interface ISerialResponse
+{
+    ISerialContext Context { get; }
+}

Toolkit.Foundation/ISerialStreamer.cs

@@ -0,0 +1,6 @@
+namespace Toolkit.Foundation;
+
+public interface ISerialStreamer
+{
+    Stream Create();
+}

Toolkit.Foundation/ISerialWriter.cs

@@ -0,0 +1,6 @@
+namespace Toolkit.Foundation;
+
+public interface ISerialWriter
+{
+    void Write(byte[] buffer, int offset, int count);
+}

Toolkit.Foundation/SerialConfiguration.cs

@@ -0,0 +1,12 @@
+using System.Diagnostics.CodeAnalysis;
+
+namespace Toolkit.Foundation;
+
+public class SerialConfiguration :
+    ISerialConfiguration
+{
+    [NotNull]
+    public string? PortName { get; set; }
+
+    public int BaudRate { get; set; }
+}

Toolkit.Foundation/SerialConnection.cs

@@ -0,0 +1,48 @@
+using System.IO.Ports;
+
+namespace Toolkit.Foundation;
+
+public class SerialConnection(SerialPort serialPort) : 
+    ISerialConnection
+{
+    public bool IsOpen { get; private set; }
+
+    public void Close()
+    {
+        if (IsOpen)
+        {
+            try
+            {
+                serialPort.Close();
+            }
+            catch
+            {
+
+            }
+
+            IsOpen = serialPort.IsOpen;
+        }
+    }
+
+    public bool Open()
+    {
+        if (!IsOpen)
+        {
+            try
+            {
+                serialPort.Open();
+
+                serialPort.DiscardInBuffer();
+                serialPort.DiscardOutBuffer();
+            }
+            catch
+            {
+
+            }
+
+            IsOpen = serialPort.IsOpen;
+        }
+
+        return IsOpen;
+    }
+}

Toolkit.Foundation/SerialContext.cs

@@ -0,0 +1,25 @@
+using CommunityToolkit.Mvvm.Messaging;
+
+namespace Toolkit.Foundation;
+
+public class SerialContext<TSerialReader, TContent>(IMessenger messenger,
+    ISerialConnection connection,
+    ISerialStreamer serialStreamer) : 
+    ISerialContext<TSerialReader, TContent> where TSerialReader : SerialReader<TContent>
+{
+    public async void Open()
+    {
+        if (connection.Open())
+        {
+            Stream stream = serialStreamer.Create();
+
+            if ((TSerialReader?)Activator.CreateInstance(typeof(TSerialReader), [stream]) is TSerialReader reader)
+            {
+                await foreach (TContent content in reader.ReadAsync())
+                {
+                    messenger.Send(SerialResponse.Create(this, content));
+                }
+            }
+        }
+    }
+}

Toolkit.Foundation/SerialFactory.cs

@@ -0,0 +1,31 @@
+using System.IO.Ports;
+
+namespace Toolkit.Foundation;
+
+public class SerialFactory(IServiceFactory factory) : 
+    ISerialFactory
+{
+    private readonly Dictionary<ISerialConfiguration, ISerialContext> cache = [];
+
+    public ISerialContext<TSerialReader, TContent> Create<TSerialReader, TContent>(ISerialConfiguration configuration)
+        where TSerialReader : SerialReader<TContent>
+    {
+        if (cache.TryGetValue(configuration, out ISerialContext? context))
+        {
+            return (ISerialContext<TSerialReader, TContent>)context;
+        }
+
+        SerialPort serialPort = new(configuration.PortName, configuration.BaudRate)
+        {
+            DtrEnable = true
+        };
+
+        SerialConnection connection = new(serialPort);
+        SerialStreamer streamer = new(serialPort);
+
+        context = factory.Create<SerialContext<TSerialReader, TContent>>(connection, streamer);
+        cache.Add(configuration, context);
+
+        return (ISerialContext<TSerialReader, TContent>)context;
+    }
+}

Toolkit.Foundation/SerialLineReader.cs

@@ -0,0 +1,46 @@
+using System.Buffers;
+using System.IO.Pipelines;
+using System.Text;
+
+namespace Toolkit.Foundation;
+
+public class SerialLineReader(Stream stream) :
+    SerialReader<string>(stream)
+{
+    private readonly PipeReader reader = PipeReader.Create(stream);
+
+    public override async IAsyncEnumerable<string> ReadAsync()
+    {
+        while (true)
+        {
+            ReadResult result = await reader.ReadAsync();
+            ReadOnlySequence<byte> buffer = result.Buffer;
+
+            while (TryReadLine(ref buffer, out ReadOnlySequence<byte> line))
+            {
+                yield return EncodingExtensions.GetString(Encoding.UTF8, line);
+            }
+
+            reader.AdvanceTo(buffer.Start, buffer.End);
+            if (result.IsCompleted)
+            {
+                break;
+            }
+        }
+
+    }
+
+    private bool TryReadLine(ref ReadOnlySequence<byte> buffer, out ReadOnlySequence<byte> line)
+    {
+        SequencePosition? position = buffer.PositionOf((byte)'\n');
+        if (position == null)
+        {
+            line = default;
+            return false;
+        }
+
+        line = buffer.Slice(0, position.Value);
+        buffer = buffer.Slice(buffer.GetPosition(1, position.Value));
+        return true;
+    }
+}

Toolkit.Foundation/SerialReader.cs

@@ -0,0 +1,8 @@
+namespace Toolkit.Foundation;
+
+public abstract class SerialReader<TContent>(Stream stream)
+{
+    public Stream Stream { get; } = stream;
+
+    public abstract IAsyncEnumerable<TContent> ReadAsync();
+}

Toolkit.Foundation/SerialResponse.cs

@@ -0,0 +1,24 @@
+namespace Toolkit.Foundation;
+
+public record SerialResponse<TContent> : 
+    ISerialResponse
+{
+    public SerialResponse(ISerialContext context,
+        TContent content)
+    {
+        Context = context;
+        Content = content;
+    }
+
+    public ISerialContext Context { get; }
+
+    public TContent Content { get; }
+}
+
+public record SerialResponse
+{
+    public static SerialResponse<TContent> Create<TContent>(ISerialContext context, TContent content)
+    {
+        return new SerialResponse<TContent>(context, content);
+    }
+}

Toolkit.Foundation/SerialStreamer.cs

@@ -0,0 +1,12 @@
+using System.IO.Ports;
+
+namespace Toolkit.Foundation;
+
+public class SerialStreamer(SerialPort serialPort) : 
+    ISerialStreamer
+{
+    public Stream Create()
+    {
+        return serialPort.BaseStream;
+    }
+}

Toolkit.Foundation/Toolkit.Foundation.csproj

@@ -9,6 +9,7 @@
 		<PackageReference Include="CommunityToolkit.Mvvm" Version="8.4.0" />
 		<PackageReference Include="Json.More.Net" Version="2.1.1" />
 		<PackageReference Include="Microsoft.Extensions.Hosting" Version="9.0.1" />
+		<PackageReference Include="System.IO.Ports" Version="9.0.1" />
 		<PackageReference Include="System.Reactive" Version="6.0.1" />
 	</ItemGroup>
 </Project>