提交线程休眠，异常捕获代码

src/ElectronBot.BraincasePreview/App.xaml.cs

@@ -195,11 +195,12 @@ public partial class App : Application
             IntelligenceService.Current.CleanUp();
 
             await CameraService.Current.CleanupMediaCaptureAsync();
+
+            EmojiPlayHelper.Current.CancellationToken.Cancel();
         }
         catch (Exception)
         {
 
         }
-        System.Environment.Exit(0);
     }
 }

src/ElectronBot.BraincasePreview/Helpers/EmojiPlayHelper.cs

@@ -1,18 +1,20 @@
-using System;
-using System.Collections.Generic;
-using System.Threading;
-using Verdure.ElectronBot.Core.Models;
+using Verdure.ElectronBot.Core.Models;
 
 namespace ElectronBot.BraincasePreview.Helpers;
 public class EmojiPlayHelper
 {
-    private static EmojiPlayHelper _current;
+    private static EmojiPlayHelper? _current;
     public static EmojiPlayHelper Current => _current ??= new EmojiPlayHelper();
 
     private readonly Queue<EmoticonActionFrame> _actonFrame = new();
 
     private readonly object _actonFrameLock = new();
 
+    public CancellationTokenSource CancellationToken
+    {
+        get; set;
+    } = new();
+
     public int Interval
     {
         get; set;
@@ -20,10 +22,14 @@ public class EmojiPlayHelper
 
     public void Start()
     {
-        var thread = new Thread(RunPlayAsync);
+        // var thread = new Thread(RunPlayAsync, CancellationToken.Token);
+
+        var task = new Task(RunPlayAsync, CancellationToken.Token);
+
+        task.Start();
 
         //thread.IsBackground = true;
-        thread.Start();
+        //thread.Start();
     }
 
     public void Clear()
@@ -63,6 +69,10 @@ public class EmojiPlayHelper
 
                         Thread.Sleep(Interval);
                     }
+                    else
+                    {
+                        Thread.Sleep(3000);
+                    }
                 }
 
             }

src/ElectronBot.BraincasePreview/Services/CameraEmojis/IntelligenceService.cs

@@ -1,19 +1,12 @@
 // Copyright (c) Microsoft Corporation. 
 // Licensed under the MIT license. 
 
-using System;
-using System.Collections.Generic;
 using System.Diagnostics;
-using System.Linq;
-using System.Threading.Tasks;
-using ElectronBot.BraincasePreview.Models;
 using Microsoft.AI.MachineLearning;
-using Microsoft.UI.Xaml.Media.Imaging;
 using Windows.Graphics.Imaging;
 using Windows.Media;
 using Windows.Media.FaceAnalysis;
 using Windows.Storage;
-using Windows.UI.Core;
 
 namespace ElectronBot.BraincasePreview.Services;
 public class IntelligenceService
@@ -107,7 +100,8 @@ public class IntelligenceService
     {
         if (!_isInitialized)
         {
-            throw new InvalidOperationException("Service not initialized.");
+            return;
+            //throw new InvalidOperationException("Service not initialized.");
         }
 
         CameraService.Current.SoftwareBitmapFrameCaptured -= Current_SoftwareBitmapFrameCaptured;

src/ElectronBot.BraincasePreview/ViewModels/MainViewModel.cs

@@ -183,6 +183,12 @@ public partial class MainViewModel : ObservableRecipient, INavigationAware
 
         }
 
+        Thread.Sleep(1000);
+
+        if (ElectronBotHelper.Instance.SerialPort.IsOpen)
+        {
+            ElectronBotHelper.Instance.SerialPort.Close();
+        }
     }
 
     [RelayCommand]

src/ElectronBot.DotNet/ElectronLowLevel.cs

@@ -285,26 +285,34 @@ public class ElectronLowLevel : IElectronLowLevel
 
         var _packetCount = packetCount;
 
-        do
+        try
         {
-            ErrorCode ec;
             do
             {
-                var readBuffer = new byte[packetSize];
+                ErrorCode ec;
+                do
+                {
+                    var readBuffer = new byte[packetSize];
 
-                ec = reader!.Read(readBuffer, 5000, out _);
+                    ec = reader!.Read(readBuffer, 5000, out _);
 
-                extraDataBufferRx = readBuffer;
+                    extraDataBufferRx = readBuffer;
 
-            } while (ec != ErrorCode.Success);
+                } while (ec != ErrorCode.Success);
 
-            _packetCount--;
+                _packetCount--;
 
-        } while (_packetCount > 0);
+            } while (_packetCount > 0);
 
-        stopwatch.Stop();
+            stopwatch.Stop();
 
-        Console.WriteLine($"time- ReceivePacket time{stopwatch.ElapsedMilliseconds}");
+            Console.WriteLine($"time- ReceivePacket time{stopwatch.ElapsedMilliseconds}");
+
+        }
+        catch (Exception)
+        {
+            // todo:异常处理
+        }
 
         return _packetCount == 0;
     }
@@ -318,29 +326,36 @@ public class ElectronLowLevel : IElectronLowLevel
 
         var dataOffset = 0;
 
-        do
+        try
         {
-            ErrorCode ec;
             do
             {
-                ec = writer!.Write(buffer, frameBufferOffset + dataOffset, packetSize, 2000, out _);
-
-                if (packetSize % 512 == 0)
+                ErrorCode ec;
+                do
                 {
-                    ec = writer.Write(buffer, frameBufferOffset + dataOffset, 0, 2000, out _);
-                }
+                    ec = writer!.Write(buffer, frameBufferOffset + dataOffset, packetSize, 2000, out _);
 
-            } while (ec != ErrorCode.None);
+                    if (packetSize % 512 == 0)
+                    {
+                        ec = writer.Write(buffer, frameBufferOffset + dataOffset, 0, 2000, out _);
+                    }
 
-            dataOffset += packetSize;
+                } while (ec != ErrorCode.None);
 
-            _packetCount--;
+                dataOffset += packetSize;
 
-        } while (_packetCount > 0);
+                _packetCount--;
 
-        stopwatch.Stop();
+            } while (_packetCount > 0);
 
-        Console.WriteLine($"time- TransmitPacket time{stopwatch.ElapsedMilliseconds}");
+            stopwatch.Stop();
+
+            Console.WriteLine($"time- TransmitPacket time{stopwatch.ElapsedMilliseconds}");
+        }
+        catch (Exception)
+        {
+            // todo:异常处理
+        }
 
         return _packetCount == 0;
     }