更新20260616

FootwearTest/App.axaml.cs

@@ -47,7 +47,7 @@ namespace FootwearTest
         {
             var services = new ServiceCollection();
             services.AddLogging(builder => builder.AddSerilog(dispose: false));
-            services.AddSingleton<DeviceSettings>();
+            services.AddSingleton(DeviceSettingsStore.Load());
             services.AddSingleton<TestFormulaService>();
             services.AddSingleton<TestRunRepository>();
             services.AddSingleton<ReportService>();

FootwearTest/Services/DeviceSettingsStore.cs

@@ -0,0 +1,48 @@
+using System;
+using System.IO;
+using System.Text.Json;
+
+namespace FootwearTest.Services;
+
+public static class DeviceSettingsStore
+{
+    private static readonly JsonSerializerOptions JsonOptions = new()
+    {
+        WriteIndented = true
+    };
+
+    public static DeviceSettings Load()
+    {
+        var path = GetSettingsPath();
+        if (!File.Exists(path))
+        {
+            return new DeviceSettings();
+        }
+
+        try
+        {
+            var json = File.ReadAllText(path);
+            return JsonSerializer.Deserialize<DeviceSettings>(json, JsonOptions) ?? new DeviceSettings();
+        }
+        catch
+        {
+            return new DeviceSettings();
+        }
+    }
+
+    public static void Save(DeviceSettings settings)
+    {
+        var path = GetSettingsPath();
+        Directory.CreateDirectory(Path.GetDirectoryName(path)!);
+        var json = JsonSerializer.Serialize(settings, JsonOptions);
+        File.WriteAllText(path, json);
+    }
+
+    public static string GetSettingsPath()
+    {
+        var folder = Path.Combine(
+            Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData),
+            "FootwearTest");
+        return Path.Combine(folder, "device-settings.json");
+    }
+}

FootwearTest/Services/HybridDeviceClient.cs

@@ -11,6 +11,7 @@ public sealed class HybridDeviceClient : IDeviceClient
     private readonly ModbusTcpDeviceClient _plcClient;
     private readonly ModbusRtuDeviceClient _instrumentClient;
     private readonly ILogger<HybridDeviceClient> _logger;
+    private readonly SemaphoreSlim _communicationLock = new(1, 1);
 
     public HybridDeviceClient(
         ModbusTcpDeviceClient plcClient,
@@ -33,41 +34,65 @@ public sealed class HybridDeviceClient : IDeviceClient
 
     public async Task ConnectAsync(CancellationToken cancellationToken = default)
     {
-        await _plcClient.ConnectAsync(cancellationToken);
+        await _communicationLock.WaitAsync(cancellationToken);
         try
         {
-            await _instrumentClient.ConnectAsync(cancellationToken);
-        }
-        catch
-        {
-            await _plcClient.DisconnectAsync(cancellationToken);
-            throw;
-        }
+            await _plcClient.ConnectAsync(cancellationToken);
+            try
+            {
+                await _instrumentClient.ConnectAsync(cancellationToken);
+            }
+            catch
+            {
+                await _plcClient.DisconnectAsync(cancellationToken);
+                throw;
+            }
 
-        LastSnapshot = MergeSnapshots(_plcClient.LastSnapshot, _instrumentClient.LastSnapshot) with
+            LastSnapshot = MergeSnapshots(_plcClient.LastSnapshot, _instrumentClient.LastSnapshot) with
+            {
+                AlarmText = "PLC TCP 与 485 仪表已连接"
+            };
+            SnapshotUpdated?.Invoke(this, LastSnapshot);
+            _logger.LogInformation("Hybrid device communication connected. {ConnectionText}", ConnectionText);
+        }
+        finally
         {
-            AlarmText = "PLC TCP 与 485 仪表已连接"
-        };
-        SnapshotUpdated?.Invoke(this, LastSnapshot);
-        _logger.LogInformation("Hybrid device communication connected. {ConnectionText}", ConnectionText);
+            _communicationLock.Release();
+        }
     }
 
     public async Task DisconnectAsync(CancellationToken cancellationToken = default)
     {
-        await _instrumentClient.DisconnectAsync(cancellationToken);
-        await _plcClient.DisconnectAsync(cancellationToken);
+        await _communicationLock.WaitAsync(cancellationToken);
+        try
+        {
+            await _instrumentClient.DisconnectAsync(cancellationToken);
+            await _plcClient.DisconnectAsync(cancellationToken);
+        }
+        finally
+        {
+            _communicationLock.Release();
+        }
     }
 
     public async Task<DeviceSnapshot> ReadSnapshotAsync(CancellationToken cancellationToken = default)
     {
-        var plcSnapshot = await _plcClient.ReadSnapshotAsync(cancellationToken);
-        var instrumentSnapshot = await _instrumentClient.ReadSnapshotAsync(cancellationToken);
-        LastSnapshot = MergeSnapshots(plcSnapshot, instrumentSnapshot) with
+        await _communicationLock.WaitAsync(cancellationToken);
+        try
         {
-            AlarmText = "PLC TCP 与 485 仪表读取正常"
-        };
-        SnapshotUpdated?.Invoke(this, LastSnapshot);
-        return LastSnapshot;
+            var plcSnapshot = await _plcClient.ReadSnapshotAsync(cancellationToken);
+            var instrumentSnapshot = await _instrumentClient.ReadSnapshotAsync(cancellationToken);
+            LastSnapshot = MergeSnapshots(plcSnapshot, instrumentSnapshot) with
+            {
+                AlarmText = "PLC TCP 与 485 仪表读取正常"
+            };
+            SnapshotUpdated?.Invoke(this, LastSnapshot);
+            return LastSnapshot;
+        }
+        finally
+        {
+            _communicationLock.Release();
+        }
     }
 
     public async Task SetOutputsAsync(
@@ -76,16 +101,24 @@ public sealed class HybridDeviceClient : IDeviceClient
         bool heaterRunning,
         CancellationToken cancellationToken = default)
     {
-        await _plcClient.SetOutputsAsync(pumpRunning, fanRunning, heaterRunning, cancellationToken);
-        LastSnapshot = LastSnapshot with
+        await _communicationLock.WaitAsync(cancellationToken);
+        try
         {
-            Timestamp = DateTime.Now,
-            PumpRunning = pumpRunning,
-            FanRunning = fanRunning,
-            HeaterRunning = heaterRunning,
-            AlarmText = "PLC TCP 输出写入正常"
-        };
-        SnapshotUpdated?.Invoke(this, LastSnapshot);
+            await _plcClient.SetOutputsAsync(pumpRunning, fanRunning, heaterRunning, cancellationToken);
+            LastSnapshot = LastSnapshot with
+            {
+                Timestamp = DateTime.Now,
+                PumpRunning = pumpRunning,
+                FanRunning = fanRunning,
+                HeaterRunning = heaterRunning,
+                AlarmText = "PLC TCP 输出写入正常"
+            };
+            SnapshotUpdated?.Invoke(this, LastSnapshot);
+        }
+        finally
+        {
+            _communicationLock.Release();
+        }
     }
 
     private static DeviceSnapshot MergeSnapshots(DeviceSnapshot plcSnapshot, DeviceSnapshot instrumentSnapshot)

FootwearTest/Services/ModbusTcpDeviceClient.cs

@@ -167,15 +167,7 @@ public sealed class ModbusTcpDeviceClient : IDeviceClient
         Span<byte> bytes = stackalloc byte[4];
         BinaryPrimitives.WriteUInt16BigEndian(bytes[..2], registers[0]);
         BinaryPrimitives.WriteUInt16BigEndian(bytes[2..], registers[1]);
-
-        if (BitConverter.IsLittleEndian)
-        {
-            return BitConverter.ToSingle(bytes);
-        }
-
-        var buffer = bytes.ToArray();
-        Array.Reverse(buffer);
-        return BitConverter.ToSingle(buffer, 0);
+        return BinaryPrimitives.ReadSingleLittleEndian(bytes);
     }
 
     private async Task<ushort[]> ReadHoldingRegistersAsync(
@@ -246,7 +238,7 @@ public sealed class ModbusTcpDeviceClient : IDeviceClient
         var responseTransactionId = BinaryPrimitives.ReadUInt16BigEndian(header.AsSpan(0, 2));
         var protocolId = BinaryPrimitives.ReadUInt16BigEndian(header.AsSpan(2, 2));
         var length = BinaryPrimitives.ReadUInt16BigEndian(header.AsSpan(4, 2));
-        if (responseTransactionId != transactionId || protocolId != 0 || length == 0)
+        if (responseTransactionId != transactionId || protocolId != 0 || length == 0 || header[6] != _settings.PlcSlaveId)
         {
             throw new InvalidDataException("PLC Modbus TCP MBAP 响应头不正确。");
         }

FootwearTest/ViewModels/SettingsViewModel.cs

@@ -152,7 +152,8 @@ public partial class SettingsViewModel : ViewModelBase
         _settings.PumpCoilAddress = PumpCoilAddress;
         _settings.FanCoilAddress = FanCoilAddress;
         _settings.HeaterCoilAddress = HeaterCoilAddress;
-        SaveStatus = "参数已保存，新的试验流程将使用当前设置";
+        DeviceSettingsStore.Save(_settings);
+        SaveStatus = "参数已保存，重新连接设备后生效";
         _logger.LogInformation(
             "Settings saved. UseSimulator={UseSimulator}, PlcHost={PlcHost}, PlcPort={PlcPort}, SerialPort={SerialPort}, BaudRate={BaudRate}, FootAreaSquareMeters={FootArea}, PumpSpeed={PumpSpeed}, FootTemperatureRegister={FootTemperatureRegister}, VoltageRegister={VoltageRegister}, VoltageDecimalPointRegister={VoltageDecimalPointRegister}, CurrentRegister={CurrentRegister}, CurrentDecimalPointRegister={CurrentDecimalPointRegister}, BalanceRegister={BalanceRegister}, BalanceDecimalPointRegister={BalanceDecimalPointRegister}",
             UseSimulator,