Add Ports assembly and experimental serial class.

Author: Dave 'Gizmo' Gymer

Controlzmo/Controlzmo.csproj

@@ -35,6 +35,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Web.LibraryManager.Build" Version="2.1.113" />
+    <PackageReference Include="System.IO.Ports" Version="5.0.1" />
     <PackageReference Include="System.Text.Json" Version="5.0.1" />
   </ItemGroup>
 

Controlzmo/Serial/Serial.cs

@@ -0,0 +1,61 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Controlzmo.Hubs;
+using SimConnectzmo;
+using System.IO.Ports;
+using System.Threading;
+
+namespace Controlzmo.Serial
+{
+    [Component]
+    public class Serial : CreateOnStartup, IDisposable
+    {
+        private readonly SerialPort _serialPort;
+        private readonly Thread readThread; // Convert to BackgroundWorker a la Adapter
+        private bool running = true;
+
+        public Serial()
+        {
+            _serialPort = new SerialPort(portName: "COM3", baudRate: 115200, parity: Parity.None, dataBits: 8);
+            _serialPort.StopBits = StopBits.One;
+            _serialPort.Handshake = Handshake.RequestToSend;
+            _serialPort.DtrEnable = true;
+            _serialPort.ReadTimeout = 500;
+            _serialPort.WriteTimeout = 500;
+            _serialPort.Open();
+            //TOOD: read thread... https://docs.microsoft.com/en-us/dotnet/api/system.io.ports.serialport?view=dotnet-plat-ext-5.0
+            readThread = new Thread(Read);
+            readThread.IsBackground = true;
+            readThread.Start();
+            Console.Error.WriteLine("Started serial <><><><><>");
+        }
+
+        public void Read()
+        {
+            byte[] writeData = { 0 };
+            while (running)
+            {
+                try
+                {
+                    string message = _serialPort.ReadLine();
+                    Console.Error.WriteLine(message);
+                }
+                catch (TimeoutException)
+                {
+                    Console.Error.WriteLine("Nothing to read");
+                    writeData[0] ^= 1;
+                    _serialPort.Write(writeData, 0, 1);
+                }
+            }
+        }
+
+        public void Dispose()
+        {
+            running = false;
+            readThread.Join();
+            _serialPort.Close();
+        }
+    }
+}