ViewModels/MainViewModel.cs

@@ -12,9 +12,41 @@ namespace MembranePoreTester.ViewModels
     public class MainViewModel : ViewModelBase
     {
         public ObservableCollection<StationItem> Stations { get; } = new();
+        public class PressureModeItem
+        {
+            public string Text { get; set; }
+            public int Value { get; set; }
 
+
+            public override string ToString()
+            {
+                return Text;  // 直接返回要显示的文本
+            }
+        }
         public class StationItem : ViewModelBase
         {
+            private PressureModeItem _selectedPressureMode;
+            private List<PressureModeItem> _pressureModeList;
+
+            public List<PressureModeItem> PressureModeList => _pressureModeList ??= new List<PressureModeItem>
+    {
+        new PressureModeItem { Text = "低压", Value = 1 },
+        new PressureModeItem { Text = "高压", Value = 0 }
+    };
+
+            public PressureModeItem SelectedPressureMode
+            {
+                get => _selectedPressureMode;
+                set
+                {
+                    if (SetProperty(ref _selectedPressureMode, value))
+                    {
+                        Task.Run(async () => await WritePressureModeAsync(value?.Text ?? "低压"));
+                    }
+                }
+            }
+
+
             private readonly IPlcService _plcService;
             private readonly PlcConfiguration _plcConfig;
             private bool _isPressing;
@@ -29,13 +61,13 @@ namespace MembranePoreTester.ViewModels
 
             public string HighLowPressure
             {
-                get => _highLowPressure;
+                get => _selectedPressureMode?.Text ?? "低压";
                 set
                 {
-                    if (SetProperty(ref _highLowPressure, value))
+                    var mode = PressureModeList.FirstOrDefault(m => m.Text == value);
+                    if (mode != null)
                     {
-                        // 当选择变化时，写入 PLC 压力模式寄存器
-                        Task.Run(async () => await WritePressureModeAsync(value));
+                        SelectedPressureMode = mode;
                     }
                 }
             }
@@ -46,17 +78,25 @@ namespace MembranePoreTester.ViewModels
                 set => SetProperty(ref _pressButtonText, value);
             }
 
-            // 使能状态（只读）
             public bool EnableStatus
             {
                 get => _enableStatus;
-                private set => SetProperty(ref _enableStatus, value);
+                private set
+                {
+                    if (SetProperty(ref _enableStatus, value))
+                    {
+                        // 当 EnableStatus 变化时，通知依赖的属性也变化
+                        OnPropertyChanged(nameof(EnableStatusText));
+                        OnPropertyChanged(nameof(EnableStatusColor));
+                    }
+                }
             }
             // 使能状态显示文本
             public string EnableStatusText => EnableStatus ? "运行中" : "未启动";
 
             // 使能状态显示颜色（绿色表示运行中，灰色表示未启动）
-            public string EnableStatusColor => EnableStatus ? "Green" : "Gray";
+            // 使能状态显示颜色（更亮的颜色）
+            public string EnableStatusColor => EnableStatus ? "#00FF00" : "#FF3333";
 
             // 定时器，用于轮询 M21 状态
             private System.Windows.Threading.DispatcherTimer _timer;
@@ -67,8 +107,21 @@ namespace MembranePoreTester.ViewModels
             public ICommand StopCommand { get; }
             public ICommand EnableCommand { get; } // 备用，但可以使用复选框直接绑定
 
+
+
+
             public StationItem()
             {
+
+                if (IsInDesignMode())
+                {
+                    return; // 设计时跳过PLC初始化
+                }
+
+
+
+
+
                 _plcService = App.PlcService;
                 _plcConfig = App.PlcConfig;
 
@@ -81,15 +134,55 @@ namespace MembranePoreTester.ViewModels
                 _timer.Interval = TimeSpan.FromSeconds(1);
                 _timer.Tick += async (s, e) => await ReadEnableStatusAsync();
                 _timer.Start();
+
+                // 延迟2秒后读取，确保连接稳定
+                Task.Delay(2000).ContinueWith(async _ =>
+                {
+                    await ReadPressureModeAsync();
+                }, TaskScheduler.Default);
+
+            }
+            private async Task ReadPressureModeAsync()
+            {
+                try
+                {
+                    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()
             {
-                _isPressing = !_isPressing;
-                await WriteCoilAsync(_plcConfig.PressCoil, _isPressing);
-                PressButtonText = _isPressing ? "停止加压" : "加压";
-            }
+                try
+                {
+                    // 先读取PLC当前的加压状态
+                    bool currentStatus = await _plcService.ReadCoilAsync(_plcConfig.PressCoil);
 
+                    // 切换状态
+                    _isPressing = !currentStatus;
+
+                    // 写入新状态到PLC
+                    await WriteCoilAsync(_plcConfig.PressCoil, _isPressing);
+
+                    // 更新按钮文字
+                    PressButtonText = _isPressing ? "停止加压" : "加压";
+                }
+                catch (Exception ex)
+                {
+                    MessageBox.Show($"读取加压状态失败: {ex.Message}", "错误", MessageBoxButton.OK, MessageBoxImage.Error);
+                }
+            }
 
             private async Task ReadEnableStatusAsync()
             {
@@ -97,6 +190,20 @@ namespace MembranePoreTester.ViewModels
                 {
                     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)
                 {