更新20260518

2026-05-19 18:22:00 +08:00
parent 00c224ceff
commit 2f4388723c
5 changed files with 83 additions and 43 deletions
--- a/Models/PlcConfiguration.cs
+++ b/Models/PlcConfiguration.cs
@@ -5,6 +5,7 @@
        public string IpAddress { get; set; }
        public int Port { get; set; }
        public byte SlaveId { get; set; }
+        public PlcFloatWordOrder FloatWordOrder { get; set; } = PlcFloatWordOrder.LowWordFirst;

        // 硬度
        public ushort HardnessMax { get; set; }
@@ -14,6 +15,7 @@

        public ushort HardnessSudu { get; set; }
        public ushort HardnessWeiyi { get; set; }
+        public ushort HardnessLimit { get; set; }

        public ushort HardnessForward { get; set; }
        public ushort HardnessBack { get; set; }
@@ -67,4 +69,10 @@
        public ushort Dissolution1SampleInterval { get; set; }
        public ushort Dissolution2SampleInterval { get; set; }
    }
+
+    public enum PlcFloatWordOrder
+    {
+        LowWordFirst,
+        HighWordFirst
+    }
 }
--- a/Services/ModbusTcpPlcService.cs
+++ b/Services/ModbusTcpPlcService.cs
@@ -15,6 +15,7 @@ namespace TabletTester2025.Services

        private readonly PlcConfiguration _config;
        private readonly SemaphoreSlim _connectLock = new(1, 1);
+        private readonly SemaphoreSlim _ioLock = new(1, 1);
        private TcpClient? _tcpClient;
        private IModbusMaster? _master;

@@ -149,10 +150,11 @@ namespace TabletTester2025.Services

        private async Task<T> ExecuteAsync<T>(Func<IModbusMaster, Task<T>> action)
        {
-            await EnsureConnectedAsync();
-
+            await _ioLock.WaitAsync();
            try
            {
+                await EnsureConnectedAsync();
+
                if (_master == null)
                    throw new InvalidOperationException("PLC连接未初始化");

@@ -163,9 +165,20 @@ namespace TabletTester2025.Services
                CloseConnection();
                throw;
            }
+            finally
+            {
+                _ioLock.Release();
+            }
        }

-        private static float RegistersToFloat(ushort highWord, ushort lowWord)
+        private float RegistersToFloat(ushort firstRegister, ushort secondRegister)
+        {
+            return _config.FloatWordOrder == PlcFloatWordOrder.HighWordFirst
+                ? WordsToFloat(firstRegister, secondRegister)
+                : WordsToFloat(secondRegister, firstRegister);
+        }
+
+        private static float WordsToFloat(ushort highWord, ushort lowWord)
        {
            byte[] bytes =
            {
@@ -177,14 +190,15 @@ namespace TabletTester2025.Services
            return BitConverter.ToSingle(bytes, 0);
        }

-        private static ushort[] FloatToRegisters(float value)
+        private ushort[] FloatToRegisters(float value)
        {
            byte[] bytes = BitConverter.GetBytes(value);
-            return new[]
-            {
-                (ushort)((bytes[3] << 8) | bytes[2]),
-                (ushort)((bytes[1] << 8) | bytes[0])
-            };
+            ushort highWord = (ushort)((bytes[3] << 8) | bytes[2]);
+            ushort lowWord = (ushort)((bytes[1] << 8) | bytes[0]);
+
+            return _config.FloatWordOrder == PlcFloatWordOrder.HighWordFirst
+                ? new[] { highWord, lowWord }
+                : new[] { lowWord, highWord };
        }

        private void CloseConnection()
@@ -200,6 +214,7 @@ namespace TabletTester2025.Services
        {
            CloseConnection();
            _connectLock.Dispose();
+            _ioLock.Dispose();
        }
    }

--- a/ViewModels/MainViewModel.cs
+++ b/ViewModels/MainViewModel.cs
@@ -73,7 +73,7 @@ namespace TabletTester2025.ViewModels
            ShowDataCommand = new AsyncRelayCommand(async () =>
            {
                // 用你项目里已有的PLC实例（假设叫 _plcClient）
-                var window = new ShowData(_plc);
+                var window = new ShowData(_plc, _plcConfig);
                window.Owner = Application.Current.MainWindow;
                window.ShowDialog();
            });
--- a/Views/ShowData.xaml.cs
+++ b/Views/ShowData.xaml.cs
@@ -1,37 +1,39 @@
 using Microsoft.Win32;
-using Sunny.UI;
 using System;
 using System.Threading;
 using System.Threading.Tasks;
 using System.Windows;
 using System.Windows.Controls;
 using TabletTester2025.Helpers;
+using TabletTester2025.Models;
 using TabletTester2025.Services;
-using static OfficeOpenXml.ExcelErrorValue;

 namespace 片剂四用仪.Views
 {
    public partial class ShowData : Window
    {
        private readonly IPlcService _plc;
-        private CancellationTokenSource _cts;
+        private readonly PlcParamMapping[] _paramMappings;
+        private CancellationTokenSource? _cts;

-        public ShowData(IPlcService plc)
+        public ShowData(IPlcService plc, PlcConfiguration plcConfig)
        {
            InitializeComponent();
            _plc = plc;
+            _paramMappings = BuildParamMappings(plcConfig);
            Loaded += ShowData_Loaded;
            Closing += ShowData_Closing;
        }

        private async void ShowData_Loaded(object sender, RoutedEventArgs e)
        {
-            _cts = new CancellationTokenSource();
+            var cts = new CancellationTokenSource();
+            _cts = cts;
            BindAllTextBoxWriteEvents();
-            await StartPlcReadLoop(_cts.Token);
+            await StartPlcReadLoop(cts.Token);
        }

-        private void ShowData_Closing(object sender, System.ComponentModel.CancelEventArgs e)
+        private void ShowData_Closing(object? sender, System.ComponentModel.CancelEventArgs e)
        {
            _cts?.Cancel();
        }
@@ -135,37 +137,51 @@ namespace 片剂四用仪.Views
        }

        // ====================== 地址映射表 ======================
-        private readonly PlcParamMapping[] _paramMappings = new[]
+        private static PlcParamMapping[] BuildParamMappings(PlcConfiguration plcConfig)
        {
-            new PlcParamMapping("txt_HardnessSpeed", 300, PlcParamType.Float),
-            new PlcParamMapping("txt_HardnessDisplacement", 310, PlcParamType.Float),
-            new PlcParamMapping("txt_HardnessMotorLimit", 298, PlcParamType.Float),
-            new PlcParamMapping("txt_HardnessDamageThreshold", 400, PlcParamType.Float),
+            return new[]
+            {
+                new PlcParamMapping("txt_HardnessSpeed", AddressOrDefault(plcConfig.HardnessSudu, 300), PlcParamType.Float),
+                new PlcParamMapping("txt_HardnessDisplacement", AddressOrDefault(plcConfig.HardnessWeiyi, 310), PlcParamType.Float),
+                new PlcParamMapping("txt_HardnessMotorLimit", AddressOrDefault(plcConfig.HardnessLimit, 298), PlcParamType.Float),
+                new PlcParamMapping("txt_HardnessDamageThreshold", AddressOrDefault(plcConfig.HardnessPoSun, 400), PlcParamType.Float),

+                new PlcParamMapping("txt_BrittlenessTestTime", AddressOrDefault(plcConfig.FriabilityTestTime, 410), PlcParamType.Int),
+                new PlcParamMapping("txt_PreBrittlenessMass", ResolveWeightRegister(plcConfig.FriabilityWeightBefore, plcConfig.WeightBefore, 412), PlcParamType.Float),
+                new PlcParamMapping("txt_PostBrittlenessMass", ResolveWeightRegister(plcConfig.FriabilityWeightAfter, plcConfig.WeightAfter, 414), PlcParamType.Float),
+                new PlcParamMapping("txt_WeightLossRate", 416, PlcParamType.Int),

-            new PlcParamMapping("txt_BrittlenessTestTime", 410, PlcParamType.Int),
-            new PlcParamMapping("txt_PreBrittlenessMass", 412, PlcParamType.Float),
-            new PlcParamMapping("txt_PostBrittlenessMass", 414, PlcParamType.Float),
-            new PlcParamMapping("txt_WeightLossRate", 416, PlcParamType.Int),
+                new PlcParamMapping("txt_DisintegrationSpeed", AddressOrDefault(plcConfig.DisintegrationSpeed, 330), PlcParamType.Float),
+                new PlcParamMapping("txt_DisintegrationTime", AddressOrDefault(plcConfig.DisintegrationTime, 420), PlcParamType.Int),

-            new PlcParamMapping("txt_DisintegrationSpeed", 330, PlcParamType.Float),
-            new PlcParamMapping("txt_DisintegrationTime", 420, PlcParamType.Int),
+                new PlcParamMapping("txt_DissolutionTime", AddressOrDefault(plcConfig.Dissolution1Time, 430), PlcParamType.Int),
+                new PlcParamMapping("txt_Dissolution2Time", AddressOrDefault(plcConfig.Dissolution2Time, 440), PlcParamType.Int),
+                new PlcParamMapping("txt_Dissolution1SamplingInterval", AddressOrDefault(plcConfig.Dissolution1SampleInterval, 432), PlcParamType.Float),
+                new PlcParamMapping("txt_Dissolution2SamplingInterval", AddressOrDefault(plcConfig.Dissolution2SampleInterval, 442), PlcParamType.Float),

-            new PlcParamMapping("txt_DissolutionTime", 430, PlcParamType.Int),
-            new PlcParamMapping("txt_Dissolution2Time", 440, PlcParamType.Int),
-            new PlcParamMapping("txt_Dissolution1SamplingInterval", 432, PlcParamType.Float),
-            new PlcParamMapping("txt_Dissolution2SamplingInterval", 442, PlcParamType.Float),
+                new PlcParamMapping("txt_ForceCoefficient", 1320, PlcParamType.Float),
+                new PlcParamMapping("txt_ForceProtection", 1322, PlcParamType.Float),

+                new PlcParamMapping("txt_TemperatureDisplay", AddressOrDefault(plcConfig.DisintegrationTemp, 1430), PlcParamType.Float),

-            new PlcParamMapping("txt_ForceCoefficient", 1320, PlcParamType.Float),
-            new PlcParamMapping("txt_ForceProtection", 1322, PlcParamType.Float),
+                new PlcParamMapping("txt_MaxForceCollect", AddressOrDefault(plcConfig.HardnessMax, 72), PlcParamType.Float),
+                new PlcParamMapping("txt_ForceDisplay", AddressOrDefault(plcConfig.HardnessShishilizhi, 1314), PlcParamType.Float),
+                new PlcParamMapping("txt_TemperatureCoefficient", 1428, PlcParamType.Float),
+            };
+        }

-            new PlcParamMapping("txt_TemperatureDisplay", 1430, PlcParamType.Float),
+        private static ushort AddressOrDefault(ushort configuredAddress, ushort fallbackAddress)
+        {
+            return configuredAddress != 0 ? configuredAddress : fallbackAddress;
+        }

-            new PlcParamMapping("txt_MaxForceCollect", 72, PlcParamType.Float),//读取
-            new PlcParamMapping("txt_ForceDisplay", 1314, PlcParamType.Float),//读取
-            new PlcParamMapping("txt_TemperatureCoefficient", 1428, PlcParamType.Float),//读取
-        };
+        private static ushort ResolveWeightRegister(ushort primaryAddress, ushort compatibleAddress, ushort fallbackAddress)
+        {
+            if (primaryAddress != 0)
+                return primaryAddress;
+
+            return AddressOrDefault(compatibleAddress, fallbackAddress);
+        }
    }

    internal class PlcParamMapping
--- a/appsettings.json
+++ b/appsettings.json
@@ -7,6 +7,7 @@
    "IpAddress": "192.168.1.10",
    "Port": 502,
    "SlaveId": 1,
+    "FloatWordOrder": "LowWordFirst", // 三菱D寄存器REAL：低字在前，避免参数写入后PLC显示NaN
    //"HardnessValue": 72,
    "HardnessStartCoil": 70, //硬度工位1启动测试M70