ViewModels/MainViewModel.cs

@@ -110,6 +110,57 @@ namespace MembranePoreTester.ViewModels
 
 
 
+
+            private double _pressureUpperLimit;
+            private double _pressureRate;
+
+            public double PressureUpperLimit
+            {
+                get => _pressureUpperLimit;
+                set
+                {
+                    if (SetProperty(ref _pressureUpperLimit, value))
+                    {
+                        // 值改变时写入PLC
+                        _ = WriteFloatAsync(_plcConfig.PressureUpperLimit, (float)value);
+                    }
+                }
+            }
+
+            public double PressureRate
+            {
+                get => _pressureRate;
+                set
+                {
+                    if (SetProperty(ref _pressureRate, value))
+                    {
+                        // 值改变时写入PLC
+                        _ = WriteFloatAsync(_plcConfig.PressureRate, (float)value);
+                    }
+                }
+            }
+
+            // 添加读取这两个参数的方法
+            private async Task ReadPressureParametersAsync()
+            {
+                try
+                {
+                    float upperLimit = await _plcService.ReadFloatAsync(_plcConfig.PressureUpperLimit);
+                    float rate = await _plcService.ReadFloatAsync(_plcConfig.PressureRate);
+
+                    Application.Current.Dispatcher.Invoke(() =>
+                    {
+                        PressureUpperLimit = upperLimit;
+                        PressureRate = rate;
+                    });
+                }
+                catch (Exception ex)
+                {
+                    System.Diagnostics.Debug.WriteLine($"读取压力参数失败: {ex.Message}");
+                }
+            }
+
+
             public StationItem()
             {
 
@@ -153,13 +204,19 @@ namespace MembranePoreTester.ViewModels
                 // 启动定时器，每秒读取一次 M21 状态
                 _timer = new System.Windows.Threading.DispatcherTimer();
                 _timer.Interval = TimeSpan.FromSeconds(1);
-                _timer.Tick += async (s, e) => await ReadEnableStatusAsync();
+                _timer.Tick += async (s, e) => 
+                {
+                    await ReadEnableStatusAsync();
+                    await ReadPressureParametersAsync(); // 新增：读取压力参数
+                };
                 _timer.Start();
 
                 // 延迟2秒后读取，确保连接稳定
                 Task.Delay(2000).ContinueWith(async _ =>
                 {
                     await ReadPressureModeAsync();
+                    await ReadPressureParametersAsync(); // 新增：读取压力参数
+
                 }, TaskScheduler.Default);
 
             }