ViewModels/MainViewModel.cs

@@ -165,22 +165,25 @@ namespace MembranePoreTester.ViewModels
             }
             private async Task ReadPressureModeAsync()
             {
-                try
+                await SafeExecuteAsync($"ReadPressureModeAsync{StationId}", async () =>
                 {
-                    ushort[] values = await _plcService.ReadHoldingRegistersAsync(_plcConfig.PressureModeRegister, 1);
-                    ushort val = values[0];
-                    string newValue = val == 0 ? "高压" : "低压";
-
-                    Application.Current.Dispatcher.Invoke(() =>
+                    try
                     {
-                        // 更新选中项
-                        HighLowPressure = newValue;
-                    });
-                }
-                catch (Exception ex)
-                {
-                    System.Diagnostics.Debug.WriteLine($"读取压力模式失败: {ex.Message}");
-                }
+                        ushort[] values = await _plcService.ReadHoldingRegistersAsync(_plcConfig.PressureModeRegister, 1);
+                        ushort val = values[0];
+                        string newValue = val == 0 ? "高压" : "低压";
+
+                        Application.Current.Dispatcher.Invoke(() =>
+                        {
+                            // 更新选中项
+                            HighLowPressure = newValue;
+                        });
+                    }
+                    catch (Exception ex)
+                    {
+                        System.Diagnostics.Debug.WriteLine($"读取压力模式失败: {ex.Message}");
+                    }
+                });
             }
 
             private async Task TogglePressAsync()
@@ -204,33 +207,38 @@ namespace MembranePoreTester.ViewModels
                     MessageBox.Show($"读取加压状态失败: {ex.Message}", "错误", MessageBoxButton.OK, MessageBoxImage.Error);
                 }
             }
-
+            // 在 StationItem 类中添加字段
+            private bool _lastEnableReadFailed = false;
+            private DateTime _lastEnableErrorTime = DateTime.MinValue;
             private async Task ReadEnableStatusAsync()
             {
-                try
+                await SafeExecuteAsync($"ReadEnableStatus_Station{StationId}", async () =>
                 {
-                    bool status = await _plcService.ReadCoilAsync(_plcConfig.EnableCoil);  // 读取 M21
-                    EnableStatus = status;
-
-
-                    bool pressStatus = await _plcService.ReadCoilAsync(_plcConfig.PressCoil);//这里也要更新加压的按钮状态
-
-                    _isPressing = pressStatus;
-
-                    // 在UI线程更新按钮文字
-                    Application.Current.Dispatcher.Invoke(() =>
+                    try
                     {
-                        PressButtonText = pressStatus ? "停止加压" : "加压";
-                    });
+                        bool status = await _plcService.ReadCoilAsync(_plcConfig.EnableCoil);  // 读取 M21
+                        EnableStatus = status;
+
+
+                        bool pressStatus = await _plcService.ReadCoilAsync(_plcConfig.PressCoil);//这里也要更新加压的按钮状态
+
+                        _isPressing = pressStatus;
+
+                        // 在UI线程更新按钮文字
+                        Application.Current.Dispatcher.Invoke(() =>
+                        {
+                            PressButtonText = pressStatus ? "停止加压" : "加压";
+                        });
 
 
 
-                }
-                catch (Exception ex)
-                {
-                    // 读取出错时保持原状态或显示错误
-                    System.Diagnostics.Debug.WriteLine($"读取使能状态失败: {ex.Message}");
-                }
+                    }
+                    catch (Exception ex)
+                    {
+                        // 读取出错时保持原状态或显示错误
+                        System.Diagnostics.Debug.WriteLine($"读取使能状态失败: {ex.Message}");
+                    }
+                });
             }
 
             private async Task WriteCoilAsync(ushort coil, bool value)
@@ -283,7 +291,7 @@ namespace MembranePoreTester.ViewModels
 
         public MainViewModel()
         {
-            for (int i = 1; i <= 1; i++)
+            for (int i = 1; i <= 3; i++)
             {
                 var station = new StationItem
                 {