更新

Models/PlcConfiguration.cs

@@ -24,6 +24,7 @@
         // 兼容旧代码：硬度完成线圈与溶出或硬度实时值寄存器地址
         public ushort HardnessOver { get; set; }
         public ushort HardnessCompleteCoil { get; set; }
+        public ushort HardnessStartOver { get; set; }
         public ushort HardnessPoSun { get; set; }
         public ushort HardnessPressure { get; set; }
         // 脆碎度

ViewModels/StationViewModel.cs

@@ -77,6 +77,8 @@ namespace TabletTester2025.ViewModels
         [ObservableProperty] private double _hardnessRSD;
         [ObservableProperty] private double _hardnessInternalMin = 40;
         [ObservableProperty] private double _hardnessInternalMax = 60;
+        [ObservableProperty] private bool _isHardnessResetting;
+        public string HardnessResetButtonText => IsHardnessResetting ? "复位中" : "复位";
 
 
         //硬度新增
@@ -267,16 +269,7 @@ namespace TabletTester2025.ViewModels
             });
 
             //硬复位
-            HardnessResetCommand = new AsyncRelayCommand(async () =>
-            {
-                // 1. 标准PLC按钮脉冲逻辑：置1 → 延时 → 置0（模拟按下再松开按钮）
-                await _plc.WriteCoilAsync(_plcConfig.HardnessStartReset, true);
-                await Task.Delay(100); // 脉冲宽度，可根据PLC程序调整20~100ms
-                await _plc.WriteCoilAsync(_plcConfig.HardnessStartReset, false);
-                _isHardnessRunning = false;
-                RefreshOverallPhase();
-              
-            });
+            HardnessResetCommand = new AsyncRelayCommand(ResetHardnessAsync, CanResetHardness);
 
             // 硬前进按钮命令
             HardnessForward = new AsyncRelayCommand(async () =>
@@ -1725,6 +1718,63 @@ namespace TabletTester2025.ViewModels
                 HardnessSudu = value;
         }
 
+        partial void OnIsHardnessResettingChanged(bool value)
+        {
+            OnPropertyChanged(nameof(HardnessResetButtonText));
+            HardnessResetCommand?.NotifyCanExecuteChanged();
+        }
+
+        private bool CanResetHardness()
+        {
+            return !IsHardnessResetting;
+        }
+
+        private async Task ResetHardnessAsync()
+        {
+            if (IsHardnessResetting)
+                return;
+
+            IsHardnessResetting = true;
+            try
+            {
+                await PulseCoilAsync(_plcConfig.HardnessStartReset);
+                _isHardnessRunning = false;
+                RefreshOverallPhase();
+                await WaitForHardnessResetCompleteAsync(ResolveHardnessResetCompleteCoil());
+            }
+            catch (Exception ex)
+            {
+                await Application.Current.Dispatcher.InvokeAsync(() =>
+                    MessageBox.Show($"硬度复位出错: {ex.Message}"));
+            }
+            finally
+            {
+                IsHardnessResetting = false;
+            }
+        }
+
+        private ushort ResolveHardnessResetCompleteCoil()
+        {
+            return _plcConfig.HardnessStartOver;
+        }
+
+        private async Task WaitForHardnessResetCompleteAsync(ushort completeCoil)
+        {
+            if (completeCoil == 0)
+                throw new InvalidOperationException("硬度复位完成线圈未配置");
+
+            DateTime deadline = DateTime.Now.AddSeconds(120);
+            while (DateTime.Now <= deadline)
+            {
+                if (await _plc.ReadCoilAsync(completeCoil))
+                    return;
+
+                await Task.Delay(100);
+            }
+
+            throw new TimeoutException("等待硬度复位完成信号超时");
+        }
+
         private async Task WaitForHardnessSampleCompleteAsync(ushort completeCoil)
         {
             DateTime deadline = DateTime.Now.AddSeconds(120);

Views/MainWindow.xaml

@@ -469,7 +469,7 @@
                                    
                                     <Button Command="{Binding StartHardnessCommand}" Content="开始" Style="{StaticResource StartButton}"/>
                                     <Button Command="{Binding StopHardnessCommand}" Content="停止" Style="{StaticResource StopButton}"/>
-                                    <Button Command="{Binding HardnessResetCommand}" Content="复位" Style="{StaticResource ResetButton}"/>
+                                    <Button Command="{Binding HardnessResetCommand}" Content="{Binding HardnessResetButtonText}" Style="{StaticResource ResetButton}"/>
                                     <Button Command="{Binding ClearHardnessRecordsCommand}" Content="清空记录" Style="{StaticResource SecondaryButton}"/>
                                 </WrapPanel>
                             </Grid>