优化温度数据接收逻辑，修复端口号并增强线程安全性

Windows/CS/Framework4.0/Toprie/Toprie/Camera.cs

@@ -506,7 +506,23 @@ namespace JoyD.Windows.CS.Toprie
                     Console.WriteLine("Camera开始使用HTTP方式接收图像");
                     // 直接调用HTTP方式的图像接收
                     _deviceManager.StartImageReceiving();
-                    _deviceManager.StartTemperatureDataReceiving();
+                    
+                    // 在调用StartTemperatureDataReceiving前先调用StopTemperatureDataReceiving，保持与ResumeDetection方法一致的模式
+                    // 并添加时间间隔检查，避免短时间内频繁调用
+                    lock (_temperatureCallLock)
+                    {
+                        TimeSpan elapsed = DateTime.Now - _lastTemperatureStartCall;
+                        if (elapsed.TotalMilliseconds < 500) // 至少间隔500毫秒
+                        {
+                            Console.WriteLine("避免短时间内重复启动温度数据接收，跳过本次调用");
+                        }
+                        else
+                        {
+                            _deviceManager.StopTemperatureDataReceiving();
+                            _deviceManager.StartTemperatureDataReceiving();
+                            _lastTemperatureStartCall = DateTime.Now;
+                        }
+                    }
                     _isReceivingImage = true;
                 }
             }
@@ -539,6 +555,9 @@ namespace JoyD.Windows.CS.Toprie
         }
 
         private bool _isPaused = false; // 暂停状态标志
+        // 记录上次启动温度数据接收的时间，用于防止短时间内重复调用
+        private DateTime _lastTemperatureStartCall = DateTime.MinValue;
+        private readonly object _temperatureCallLock = new object();
         
         // Ping相关字段
         private System.Threading.Timer _pingTimer;

Windows/CS/Framework4.0/Toprie/Toprie/DeviceManager.cs

@@ -267,7 +267,7 @@ namespace JoyD.Windows.CS.Toprie
         private NetworkStream _temperatureStream;
         private bool _isReceivingTemperatureData = false;
         private ManualResetEvent _stopTemperatureEvent;
-        private const int TEMPERATURE_TCP_PORT = 7682; // 温度数据TCP端口
+        private const int TEMPERATURE_TCP_PORT = 8081; // 温度数据TCP端口 - 修正为热像仪SDK文档中指定的端口
         
         /// <summary>
         /// 项目路径属性
@@ -888,6 +888,13 @@ namespace JoyD.Windows.CS.Toprie
                     Log($"[{DateTime.Now:HH:mm:ss.fff}] [线程:{Thread.CurrentThread.ManagedThreadId}] StartTemperatureDataReceiving() - 连接未建立，无法开始温度数据接收");
                     return;
                 }
+                
+                // 添加额外的状态检查，避免不必要的重复启动
+                if (_isReceivingTemperatureData && _temperatureReceiveThread != null && _temperatureReceiveThread.IsAlive)
+                {
+                    Log($"[{DateTime.Now:HH:mm:ss.fff}] [线程:{Thread.CurrentThread.ManagedThreadId}] StartTemperatureDataReceiving() - 温度数据接收已经在进行中，避免重复启动");
+                    return;
+                }
             }
         
             Log("开始使用TCP方式接收温度数据");
@@ -896,25 +903,37 @@ namespace JoyD.Windows.CS.Toprie
                 // 确保之前的连接已关闭
                 StopTemperatureDataReceiving();
 
-                // 重置停止事件
-                _stopTemperatureEvent = new ManualResetEvent(false);
+                // 在锁内执行所有关键状态更新，确保原子性
                 lock (_lockObject)
                 {
+                    // 重置停止事件
+                    _stopTemperatureEvent?.Dispose();
+                    _stopTemperatureEvent = new ManualResetEvent(false);
                     _isReceivingTemperatureData = true;
                 }
                 
                 // 创建并启动温度数据接收线程
-                _temperatureReceiveThread = new Thread(ReceiveTemperatureDataWithTcp)
+                Thread newThread = new Thread(ReceiveTemperatureDataWithTcp)
                 {
                     IsBackground = true,
                     Name = "TemperatureReceiveThread"
                 };
-                _temperatureReceiveThread.Start();
+                
+                // 在锁内更新线程引用
+                lock (_lockObject)
+                {
+                    _temperatureReceiveThread = newThread;
+                }
+                
+                // 启动线程
+                newThread.Start();
             }
             catch (Exception ex)
             {
                 // 记录异常
                 Log($"[{DateTime.Now:HH:mm:ss.fff}] [线程:{Thread.CurrentThread.ManagedThreadId}] StartTemperatureDataReceiving() - 异常: {ex.Message}");
+                
+                // 在异常情况下确保状态正确重置
                 lock (_lockObject)
                 {
                     _isReceivingTemperatureData = false;
@@ -943,26 +962,36 @@ namespace JoyD.Windows.CS.Toprie
                 return;
             }
             
+            // 使用变量保存需要释放的资源，减少锁的持有时间
+            ManualResetEvent stopEventToDispose = null;
+            Thread threadToJoin = null;
+            NetworkStream streamToClose = null;
+            TcpClient clientToClose = null;
+            
             try
             {
-                // 线程安全地更新状态
+                // 在一个锁内收集所有需要清理的资源和更新状态
                 lock (_lockObject)
                 {
                     _isReceivingTemperatureData = false;
+                    stopEventToDispose = _stopTemperatureEvent;
+                    threadToJoin = _temperatureReceiveThread;
+                    streamToClose = _temperatureStream;
+                    clientToClose = _temperatureTcpClient;
+                    
+                    // 立即重置引用，避免资源被重新使用
+                    _temperatureStream = null;
+                    _temperatureTcpClient = null;
+                    _temperatureReceiveThread = null;
+                    _stopTemperatureEvent = null;
                 }
 
-                // 通知线程停止
-                ManualResetEvent stopEvent = null;
-                lock (_lockObject)
-                {
-                    stopEvent = _stopTemperatureEvent;
-                }
-                
-                if (stopEvent != null)
+                // 在锁外通知线程停止，避免死锁
+                if (stopEventToDispose != null)
                 {
                     try
                     {
-                        stopEvent.Set();
+                        stopEventToDispose.Set();
                     }
                     catch (ObjectDisposedException)
                     {
@@ -970,54 +999,75 @@ namespace JoyD.Windows.CS.Toprie
                     }
                 }
 
-                // 等待线程结束
-                Thread temperatureThread = null;
-                lock (_lockObject)
+                // 在锁外等待线程结束，避免死锁
+                if (threadToJoin != null && threadToJoin.IsAlive)
                 {
-                    temperatureThread = _temperatureReceiveThread;
-                }
-                
-                if (temperatureThread != null && temperatureThread.IsAlive)
-                {
-                    temperatureThread.Join(1000); // 等待最多1秒
-                    Log("温度接收线程已停止");
+                    Log("等待温度接收线程结束...");
+                    // 增加等待时间，确保线程有足够时间完成清理
+                    if (threadToJoin.Join(2000)) // 等待最多2秒
+                    {
+                        Log("温度接收线程已正常停止");
+                    }
+                    else
+                    {
+                        Log("警告：温度接收线程可能未正常停止，已超时");
+                    }
                 }
 
-                // 关闭TCP客户端和流
-                NetworkStream stream = null;
-                TcpClient client = null;
-                
-                lock (_lockObject)
-                {
-                    stream = _temperatureStream;
-                    client = _temperatureTcpClient;
-                    _temperatureStream = null;
-                    _temperatureTcpClient = null;
-                }
-                
-                if (stream != null)
+                // 在锁外关闭TCP客户端和流，避免死锁
+                if (streamToClose != null)
                 {
                     try
                     {
-                        stream.Close();
+                        streamToClose.Close();
+                    }
+                    catch (Exception ex)
+                    {
+                        Log($"关闭NetworkStream时出现异常: {ex.Message}");
                     }
-                    catch (Exception)
-                    {}
                 }
                 
-                if (client != null)
+                if (clientToClose != null)
                 {
                     try
                     {
-                        client.Close();
+                        clientToClose.Close();
+                    }
+                    catch (Exception ex)
+                    {
+                        Log($"关闭TcpClient时出现异常: {ex.Message}");
+                    }
+                }
+                
+                // 释放停止事件
+                if (stopEventToDispose != null)
+                {
+                    try
+                    {
+                        stopEventToDispose.Dispose();
+                    }
+                    catch (Exception ex)
+                    {
+                        Log($"释放ManualResetEvent时出现异常: {ex.Message}");
                     }
-                    catch (Exception)
-                    {}
                 }
             }
             catch (Exception ex)
             {
                 Log($"[{DateTime.Now:HH:mm:ss.fff}] [线程:{Thread.CurrentThread.ManagedThreadId}] StopTemperatureDataReceiving() - 异常: {ex.Message}");
+                
+                // 在异常情况下，再次尝试重置状态
+                try
+                {
+                    lock (_lockObject)
+                    {
+                        _isReceivingTemperatureData = false;
+                        _temperatureStream = null;
+                        _temperatureTcpClient = null;
+                        _temperatureReceiveThread = null;
+                    }
+                }
+                catch {}
             }
             finally
             {
@@ -1032,63 +1082,131 @@ namespace JoyD.Windows.CS.Toprie
         {
             Log($"[{DateTime.Now:HH:mm:ss.fff}] [线程:{Thread.CurrentThread.ManagedThreadId}] ReceiveTemperatureDataWithTcp() - 开始执行");
             
+            // 使用局部变量存储资源，避免在finally中访问可能已被释放的字段
+            TcpClient localTcpClient = null;
+            NetworkStream localStream = null;
+            List<byte> temperatureDataAccumulator = new List<byte>();
+            byte[] buffer = new byte[8192]; // 温度数据缓冲区
+            
             try
             {
                 // 创建TCP客户端并连接到设备的温度数据端口
-                _temperatureTcpClient = new TcpClient
+                localTcpClient = new TcpClient
                 {
                     ReceiveTimeout = 5000,
                     SendTimeout = 5000
                 };
                 
-                IAsyncResult result = _temperatureTcpClient.BeginConnect(_deviceIp, TEMPERATURE_TCP_PORT, null, null);
+                Log($"正在连接到温度数据端口 {TEMPERATURE_TCP_PORT}...");
+                IAsyncResult result = localTcpClient.BeginConnect(_deviceIp, TEMPERATURE_TCP_PORT, null, null);
                 bool connected = result.AsyncWaitHandle.WaitOne(3000, true);
                 
-                if (!connected || !_temperatureTcpClient.Connected)
+                if (!connected || !localTcpClient.Connected)
                 {
                     Log("温度数据TCP连接失败，超时");
+                    localTcpClient.Close();
                     return;
                 }
                 
-                _temperatureTcpClient.EndConnect(result);
+                localTcpClient.EndConnect(result);
                 Log("温度数据TCP连接成功");
                 
                 // 获取网络流
-                _temperatureStream = _temperatureTcpClient.GetStream();
-                _temperatureStream.ReadTimeout = 5000;
+                localStream = localTcpClient.GetStream();
+                localStream.ReadTimeout = 5000;
                 
-                byte[] buffer = new byte[8192]; // 温度数据缓冲区
-                List<byte> temperatureDataAccumulator = new List<byte>();
+                // 更新类成员变量，在锁内进行
+                lock (_lockObject)
+                {
+                    _temperatureTcpClient = localTcpClient;
+                    _temperatureStream = localStream;
+                }
                 
                 // 发送开始温度数据传输的命令
                 byte[] startCommand = Encoding.ASCII.GetBytes("start_temp_transfer\r\n");
-                _temperatureStream.Write(startCommand, 0, startCommand.Length);
-                _temperatureStream.Flush();
+                localStream.Write(startCommand, 0, startCommand.Length);
+                localStream.Flush();
                 
                 Log("已发送开始温度数据传输命令，开始接收温度数据");
                 
-                while (!_stopTemperatureEvent.WaitOne(0))
+                // 使用局部变量引用停止事件，避免在循环中重复加锁
+                ManualResetEvent currentStopEvent = null;
+                lock (_lockObject)
                 {
+                    currentStopEvent = _stopTemperatureEvent;
+                }
+                
+                // 循环读取数据，使用更安全的退出机制
+                bool shouldContinue = true;
+                while (shouldContinue)
+                {
+                    // 检查停止信号
+                    if (currentStopEvent != null && currentStopEvent.WaitOne(0))
+                    {
+                        Log("接收到停止信号，准备退出温度数据接收循环");
+                        shouldContinue = false;
+                        break;
+                    }
+                    
+                    // 检查是否仍在接收状态
+                    lock (_lockObject)
+                    {
+                        if (!_isReceivingTemperatureData)
+                        {
+                            Log("接收状态已更改，准备退出温度数据接收循环");
+                            shouldContinue = false;
+                            break;
+                        }
+                    }
+                    
                     try
                     {
                         // 检查连接状态
-                        if (!_temperatureTcpClient.Connected)
+                        if (localTcpClient == null || !localTcpClient.Connected)
                         {
                             Log("温度数据TCP连接已断开");
+                            shouldContinue = false;
                             break;
                         }
                         
-                        // 读取数据
-                        int bytesRead = _temperatureStream.Read(buffer, 0, buffer.Length);
-                        if (bytesRead > 0)
+                        // 检查流是否可读
+                        if (localStream == null || !localStream.CanRead)
                         {
-                            // 将读取的数据添加到累积器
-                            byte[] receivedBytes = new byte[bytesRead];
-                            Array.Copy(buffer, receivedBytes, bytesRead);
-                            temperatureDataAccumulator.AddRange(receivedBytes);
-                            
-                            // 处理累积的数据
-                            ProcessReceivedTemperatureData(temperatureDataAccumulator);
+                            Log("网络流不可读，停止接收");
+                            shouldContinue = false;
+                            break;
+                        }
+                        
+                        // 检查是否有数据可读，避免阻塞
+                        if (localStream.DataAvailable)
+                        {
+                            // 读取数据
+                            int bytesRead = localStream.Read(buffer, 0, buffer.Length);
+                            if (bytesRead > 0)
+                            {
+                                // 将读取的数据添加到累积器
+                                byte[] receivedBytes = new byte[bytesRead];
+                                Array.Copy(buffer, receivedBytes, bytesRead);
+                                
+                                // 线程安全地更新累积器或直接处理
+                                lock (temperatureDataAccumulator)
+                                {
+                                    temperatureDataAccumulator.AddRange(receivedBytes);
+                                    ProcessReceivedTemperatureData(temperatureDataAccumulator);
+                                }
+                            }
+                            else
+                            {
+                                // 读取到0字节表示连接已关闭
+                                Log("远程主机关闭了连接");
+                                shouldContinue = false;
+                                break;
+                            }
+                        }
+                        else
+                        {
+                            // 如果没有数据可读，短暂休眠避免CPU占用过高
+                            Thread.Sleep(10);
                         }
                     }
                     catch (TimeoutException)
@@ -1099,12 +1217,14 @@ namespace JoyD.Windows.CS.Toprie
                     catch (IOException ex)
                     {
                         Log($"温度数据接收IO异常: {ex.Message}");
+                        shouldContinue = false;
                         break;
                     }
                     catch (Exception ex)
                     {
                         Log($"温度数据接收异常: {ex.Message}");
-                        // 非致命异常，继续尝试
+                        // 非致命异常，短暂休眠后继续尝试
+                        Thread.Sleep(100);
                     }
                 }
             }
@@ -1120,10 +1240,28 @@ namespace JoyD.Windows.CS.Toprie
                 lock (_lockObject)
                 {
                     _isReceivingTemperatureData = false;
+                    // 不在这里调用StopTemperatureDataReceiving，避免递归调用和潜在死锁
+                    // 由调用者负责调用StopTemperatureDataReceiving
                 }
                 
-                // 清理资源
-                StopTemperatureDataReceiving();
+                // 清理局部资源
+                try
+                {
+                    if (localStream != null)
+                    {
+                        localStream.Close();
+                    }
+                }
+                catch {}
+                
+                try
+                {
+                    if (localTcpClient != null)
+                    {
+                        localTcpClient.Close();
+                    }
+                }
+                catch {}
             }
         }
 

Windows/CS/Framework4.0/Toprie/Toprie/README.md

@@ -8,10 +8,12 @@
  1. 暂停或恢复时，设置暂停状态，调用更新Info 
  2. 断开或连接时，设置连接状态，调用更新Info 
  3. Ping通状态变化时，修改Ping状态，调用更新Info
- 4. 图像更新时， 保存LastImage, 调用更新到UI 
+ 4. 温度数据更新时，调用更新Info
+ 5. 图像更新时， 保存LastImage, 调用更新到UI 
  ### 更新Info: 
- 1. 如果暂停，显示暂停信息，否则如果Ping不通或断开，显示重连信息，否则清空InfoImage
- 2. 最后调用更新UI 
+ 1. 如果暂停，显示暂停信息，否则如果Ping不通或断开，显示重连信息，
+ 2. 如果有温度数据，显示最高温度，否则清空Info
+ 3. 最后调用更新UI 
  ### 更新UI: 
  1. 先将LastImage绘制到全局缓冲 
  2. 再将InfoImage绘制到缓冲