CAN优化

CANModule/ViewModels/CollectCANSingalSettingViewModel.cs

@@ -204,6 +204,7 @@ namespace CANModule.ViewModels
             {
                 CollectionID = Guid.NewGuid(),
                 Channel = MessageChannel,
+                MethodName = CANSignalBroadcaster.BuildMethodName((uint)decimalValue, SelectedSignal),
                 MessageName = ExtractMessageName(SelectedMessage),
                 SignalName = SelectedSignal,
                 MessageID = decimalValue,

CANModule/ViewModels/ZLGCANFDViewModel.cs

@@ -452,7 +452,7 @@ namespace CANModule.ViewModels
 
                     if (targetMsg != null)
                     {
-                        _canfd.设置报文((uint)MessageSendChannel, targetMsg.msg_id.ToString(), SelectedSignal, SValue, sendPeriod);
+                        _canfd.设置报文((uint)MessageSendChannel, targetMsg.msg_id.ToString(), SelectedSignal, SValue, sendPeriod, IsDirectlySend);
                     }
                 }
             }
@@ -603,7 +603,7 @@ namespace CANModule.ViewModels
         private void OnDbcMessageDecoded(uint channel, ZDBC.DBCMessage msg)
         {
             // DBC 解码后的报文回调
-            Application.Current.Dispatcher.Invoke(() =>
+            Application.Current.Dispatcher.BeginInvoke(() =>
             {
                 var msgName = System.Text.Encoding.Default.GetString(msg.strName).TrimEnd('\0');
                 var find = CanMessageList.FirstOrDefault(s => s.报文ID == (int)msg.nID&& s.通道==channel);

MonitorModule/ViewModels/Dialogs/ValueLimitViewModel.cs

@@ -111,10 +111,10 @@ namespace MonitorModule.ViewModels.Dialogs
             }
 
             // 2. 发现设备方法信号并加入 ValueLimitList / DeviceSingleList
-            foreach (var signal in DiscoverDeviceSignals())
+            foreach (var (displayName, fingerprint, methodName) in DiscoverDeviceSignals())
             {
-                //DeviceSingleList.Add(signal);
+                //DeviceSingleList.Add(displayName);
-                EnsureValueLimit(signal);
+                EnsureValueLimit(fingerprint, displayName, displayName, methodName);
             }
 
             // 3. 发现 CAN 信号并加入 ValueLimitList / DeviceSingleList
@@ -122,15 +122,15 @@ namespace MonitorModule.ViewModels.Dialogs
             {
                 //DeviceSingleList.Add(displayName);
                 _canSignalMap[displayName] = (fingerprint, methodName);
-                EnsureValueLimit(displayName);
+                EnsureValueLimit(fingerprint, displayName, displayName, methodName);
             }
         }
 
         /// <summary>
         /// 发现当前作用域所有可监测的设备方法信号（与 MonitorViewModel 逻辑一致）。
-        /// 返回 DisplayName 列表。
+        /// 返回 (DisplayName, Fingerprint, MethodName) 列表。
         /// </summary>
-        private IEnumerable<string> DiscoverDeviceSignals()
+        private IEnumerable<(string DisplayName, string Fingerprint, string MethodName)> DiscoverDeviceSignals()
         {
             if (_deviceManager?.DeviceMap == null) yield break;
 
@@ -159,7 +159,7 @@ namespace MonitorModule.ViewModels.Dialogs
                     string displayName = !string.IsNullOrEmpty(attr?.Description)
                         ? $"{deviceName}.{attr.Description}"
                         : $"{deviceName}.{method.Name}";
-                    yield return displayName;
+                    yield return (displayName, fingerprint, method.Name);
                 }
             }
         }
@@ -191,12 +191,13 @@ namespace MonitorModule.ViewModels.Dialogs
             if (_systemConfig?.ConfigurationList == null) yield break;
 
             var msgDb = _deviceManager.CANFD.DBCParser.MsgDatabase;
+            string canDeviceFingerprint = _deviceManager.GetCanDeviceFingerprint();
             foreach (var cfg in _systemConfig.ConfigurationList)
             {
                 if (string.IsNullOrEmpty(cfg.SignalName)) continue;
                 if (cfg.Channel < 0 || cfg.Channel >= msgDb.Count) continue;
 
-                string fingerprint = CANSignalBroadcaster.BuildFingerprint((uint)cfg.Channel);
+                string fingerprint = CANSignalBroadcaster.BuildFingerprint(canDeviceFingerprint, (uint)cfg.Channel);
                 string methodName = CANSignalBroadcaster.BuildMethodName((uint)cfg.MessageID, cfg.SignalName);
                 string displayName = CANSignalBroadcaster.BuildDisplayName(cfg.MessageName, cfg.SignalName);
 
@@ -224,13 +225,16 @@ namespace MonitorModule.ViewModels.Dialogs
         /// <summary>
         /// 确保 ValueLimitList 中存在指定信号；不存在则添加默认值。
         /// </summary>
-        private void EnsureValueLimit(string signalName)
+        private void EnsureValueLimit(string fingerprint, string displayName, string signalName, string methodName = "")
         {
             if (ValueLimitList.Any(x => x.SignalName == signalName)) return;
 
             ValueLimitList.Add(new ValueLimitVM
             {
+                DisplayName = displayName,
+                Fingerprint = fingerprint,
                 SignalName = signalName,
+                MethodName = methodName,
                 Upper = 9999,
                 Lower = -9999,
                 UpperExtreme = 9999,
@@ -323,7 +327,8 @@ namespace MonitorModule.ViewModels.Dialogs
             var msgDb = _deviceManager.CANFD.DBCParser.MsgDatabase;
             if (channel < 0 || channel >= msgDb.Count) return;
 
-            string fingerprint = CANSignalBroadcaster.BuildFingerprint(args.Channel);
+            string canDeviceFingerprint = _deviceManager.GetCanDeviceFingerprint();
+            string fingerprint = CANSignalBroadcaster.BuildFingerprint(canDeviceFingerprint, args.Channel);
 
             // 1. 移除该通道中已失效的 CAN 信号限制项
             var staleSignals = _canSignalMap
@@ -353,7 +358,7 @@ namespace MonitorModule.ViewModels.Dialogs
                         _canSignalMap[displayName] = (fingerprint, methodName);
                         //if (!DeviceSingleList.Contains(displayName))
                         //    DeviceSingleList.Add(displayName);
-                        EnsureValueLimit(displayName);
+                        EnsureValueLimit(fingerprint, displayName, displayName, methodName);
                     }
                 }
             }
@@ -366,7 +371,8 @@ namespace MonitorModule.ViewModels.Dialogs
         {
             if (args.Scope != _systemConfig?.Title) return;
 
-            string fingerprint = CANSignalBroadcaster.BuildFingerprint(args.Channel);
+            string canDeviceFingerprint = _deviceManager.GetCanDeviceFingerprint();
+            string fingerprint = CANSignalBroadcaster.BuildFingerprint(canDeviceFingerprint, args.Channel);
             var toRemove = _canSignalMap
                 .Where(kvp => kvp.Value.Fingerprint == fingerprint)
                 .Select(kvp => kvp.Key)

MonitorModule/ViewModels/MonitorViewModel.cs

@@ -556,7 +556,8 @@ namespace MonitorModule.ViewModels
         {
             if (_systemConfig?.ConfigurationList == null) return;
 
-            string fingerprint = CANSignalBroadcaster.BuildFingerprint(channel);
+            string canDeviceFingerprint = _deviceManager?.GetCanDeviceFingerprint() ?? string.Empty;
+            string fingerprint = CANSignalBroadcaster.BuildFingerprint(canDeviceFingerprint, channel);
             var configs = _systemConfig.ConfigurationList.Where(c => c.Channel == (int)channel).ToList();
             bool changed = false;
 
@@ -650,7 +651,8 @@ namespace MonitorModule.ViewModels
         {
             if (args.Scope != TestStatus) return;
 
-            string fingerprint = CANSignalBroadcaster.BuildFingerprint(args.Channel);
+            string canDeviceFingerprint = _deviceManager?.GetCanDeviceFingerprint() ?? string.Empty;
+            string fingerprint = CANSignalBroadcaster.BuildFingerprint(canDeviceFingerprint, args.Channel);
 
             // 从 AvailableMethods 中移除
             var toRemoveMethods = AvailableMethods.Where(m => m.Fingerprint == fingerprint).ToList();

UIShare/GlobalVariable/CANSignalBroadcaster.cs

@@ -69,7 +69,7 @@ namespace UIShare.GlobalVariable
         {
             if (_disposed) return;
 
-            string signalFingerprint = BuildFingerprint(channel);
+            string signalFingerprint = BuildFingerprint(canFingerprint, channel);
             var now = DateTime.Now;
 
             // 获取引用该 CAN 设备的所有作用域
@@ -133,11 +133,12 @@ namespace UIShare.GlobalVariable
         }
 
         /// <summary>
-        /// 生成 CAN 信号的 Fingerprint 格式："CAN:{Channel}"
+        /// 生成 CAN 信号的 Fingerprint 格式："{canDeviceFingerprint}:{channel}"
+        /// canDeviceFingerprint 来自 DeviceManager.ExtractHardwareFingerprint，如 "CAN:0"
         /// </summary>
-        public static string BuildFingerprint(uint channel)
+        public static string BuildFingerprint(string canDeviceFingerprint, uint channel)
         {
-            return $"CAN:{channel}";
+            return $"{canDeviceFingerprint}:{channel}";
         }
 
         public void Dispose()

UIShare/GlobalVariable/DeviceManager.cs

@@ -71,6 +71,20 @@ namespace UIShare.GlobalVariable
 
             return string.Empty;
         }
+
+        /// <summary>
+        /// 获取当前作用域配置的 CAN 设备硬件指纹（与 GlobalInfo.CanPool 的 Key 一致）。
+        /// 如 "CAN:0"，其中 0 是 CANConfig.DeviceIndex。
+        /// </summary>
+        public string GetCanDeviceFingerprint()
+        {
+            if (_systemConfig?.DeviceList == null) return string.Empty;
+            var canConfig = _systemConfig.DeviceList.FirstOrDefault(d =>
+                d != null && d.IsEnabled &&
+                string.Equals(d.ConnectionType, "CAN", StringComparison.OrdinalIgnoreCase));
+            return canConfig != null ? ExtractHardwareFingerprint(canConfig) : string.Empty;
+        }
+
         private void InitDevices()
         {
             DeviceMap = new Dictionary<string, IBaseInterface>(StringComparer.OrdinalIgnoreCase);

UIShare/UIViewModel/CANSignalConfigVM.cs

@@ -10,5 +10,6 @@ namespace UIShare.UIViewModel
         public string SignalName { get; set; }
         public int CollectionInterval { get; set; }
         public Guid CollectionID { get; set; }
+        public string MethodName {get;set;}
     }
 }

UIShare/UIViewModel/ValueLimitVM.cs

@@ -8,6 +8,7 @@ namespace UIShare.UIViewModel
         private string _signalName = string.Empty;
         private string _fingerprint = string.Empty;
         private string _methodName = string.Empty;
+        private string _displayName = string.Empty;
         private double _upper;
         private double _lower;
         private double _upperExtreme;
@@ -22,6 +23,14 @@ namespace UIShare.UIViewModel
         {
             get => _signalName;
             set => SetProperty(ref _signalName, value);
+        }  
+        /// <summary>
+        /// 信号名（显示用）
+        /// </summary>
+        public string DisplayName
+        {
+            get => _displayName;
+            set => SetProperty(ref _displayName, value);
         }
 
         /// <summary>

ZLGUSBCANFD/USBCANFD.cs

@@ -1,4 +1,5 @@
 using Common.Attributes;
+using Logger;
 using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
@@ -29,6 +30,10 @@ namespace ZLGUSBCANFD
         // DBC 循环发送任务管理：Key = (通道号, 帧ID)
         private readonly ConcurrentDictionary<(uint 通道号, uint 帧ID), CancellationTokenSource> _cyclicSenders = new ConcurrentDictionary<(uint, uint), CancellationTokenSource>();
 
+        // 信号值持久化覆盖表：Key = (通道号, 帧ID)，Value = 信号名 → 物理值
+        // 每次 设置报文 会累积写入此表，发送时以 DBC 初始值为底再叠加此表覆盖值
+        private readonly ConcurrentDictionary<(uint 通道号, uint 帧ID), Dictionary<string, double>> _signalOverrides = new ConcurrentDictionary<(uint, uint), Dictionary<string, double>>();
+
         // 动态硬件参数
         private readonly uint _deviceType;   // 76: USBCANFD-400U
         private readonly uint _deviceIndex;  // 设备索引
@@ -371,14 +376,17 @@ namespace ZLGUSBCANFD
                     }
                     catch (Exception ex)
                     {
-                        // 循环发送出错时退出，避免刷屏
+                        Logger.LoggerHelper.Error($"[ZLGCANFD] 循环发送 DBC 报文失败: {ex.Message}");
-                        Console.WriteLine($"[ZLGCANFD] 循环发送 DBC 报文失败: {ex.Message}");
                         break;
                     }
                 }
 
-                _cyclicSenders.TryRemove((通道号, 帧ID), out var removedCts);
+                // 清理：仅当字典中存的仍然是本任务创建的 CTS 时才移除，避免误删新任务的 CTS
-                removedCts?.Dispose();
+                if (_cyclicSenders.TryGetValue((通道号, 帧ID), out var current) && ReferenceEquals(current, cts))
+                {
+                    _cyclicSenders.TryRemove((通道号, 帧ID), out _);
+                }
+                cts.Dispose();
             }, cts.Token);
 
             return true;
@@ -392,7 +400,7 @@ namespace ZLGUSBCANFD
             if (_cyclicSenders.TryRemove((通道号, 帧ID), out var cts))
             {
                 cts.Cancel();
-                cts.Dispose();
+                // 不在这里 Dispose，由 Task 的清理代码负责释放，避免 Task 仍在使用已释放的 Token
             }
         }
 
@@ -409,6 +417,31 @@ namespace ZLGUSBCANFD
             _cyclicSenders.Clear();
         }
 
+        /// <summary>
+        /// 清除指定通道、指定帧 ID 的信号覆盖值，恢复为 DBC 初始值。
+        /// </summary>
+        public virtual void 清除信号覆盖(uint 通道号, uint 帧ID)
+        {
+            if (_signalOverrides.TryRemove((通道号, 帧ID), out var dict))
+            {
+                lock (dict) dict.Clear();
+            }
+        }
+
+        /// <summary>
+        /// 清除指定通道所有帧的信号覆盖值。
+        /// </summary>
+        public virtual void 清除通道信号覆盖(uint 通道号)
+        {
+            foreach (var key in _signalOverrides.Keys)
+            {
+                if (key.通道号 == 通道号 && _signalOverrides.TryRemove(key, out var dict))
+                {
+                    lock (dict) dict.Clear();
+                }
+            }
+        }
+
 
 
         /// <summary>
@@ -536,7 +569,7 @@ namespace ZLGUSBCANFD
         /// <param name="物理值">要写入的实际物理数值</param>
         /// <param name="循环发送间隔毫秒">0 = 单次发送；>0 = 周期循环发送（单位毫秒）</param>
         /// <returns>操作是否成功</returns>
-        public virtual bool 设置报文(uint 通道号, string 帧IDStr, string 信号名称, double 物理值, int 循环发送间隔毫秒 = 0)
+        public virtual bool 设置报文(uint 通道号, string 帧IDStr, string 信号名称, double 物理值, int 循环发送间隔毫秒 = 0, bool 直接发送=false)
         {
             if (!TryParseFrameId(帧IDStr, out uint 帧ID))
             {
@@ -548,12 +581,18 @@ namespace ZLGUSBCANFD
             if (!_isDbcLoadedArray[通道号]) return false;
             if (string.IsNullOrWhiteSpace(信号名称)) return false;
 
-            var merged = 构建报文发送字典(通道号, 帧ID, new Dictionary<string, double>(StringComparer.OrdinalIgnoreCase)
+            // 将本次设置的信号值写入持久化覆盖表（累积，不会丢失之前设置的值）
+            var overrides = _signalOverrides.GetOrAdd((通道号, 帧ID), _ => new Dictionary<string, double>(StringComparer.OrdinalIgnoreCase));
+            lock (overrides)
             {
-                { 信号名称, 物理值 }
+                overrides[信号名称] = 物理值;
-            });
+            }
 
-            return 发送DBC定义报文(通道号, 帧ID, merged, 循环发送间隔毫秒);
+            // 构建发送字典：DBC 初始值 + 持久化覆盖表（已包含本次设置）
+            var merged = 构建报文发送字典(通道号, 帧ID);
+
+            if (直接发送) return 发送DBC定义报文(通道号, 帧ID, merged, 循环发送间隔毫秒);
+            else return true;
         }
 
         /// <summary>
@@ -753,6 +792,7 @@ namespace ZLGUSBCANFD
                     var msg = (ZDBC.DBCMessage)Marshal.PtrToStructure(ptrDbcMsg, typeof(ZDBC.DBCMessage));
                     var dict = new Dictionary<string, double>(StringComparer.OrdinalIgnoreCase);
 
+                    // 1. DBC 初始值打底
                     for (int i = 0; i < msg.nSignalCount; i++)
                     {
                         var signal = msg.vSignals[i];
@@ -763,6 +803,17 @@ namespace ZLGUSBCANFD
                         }
                     }
 
+                    // 2. 叠加持久化覆盖表（之前 设置报文 累积的值）
+                    if (_signalOverrides.TryGetValue((通道号, 帧ID), out var persisted))
+                    {
+                        lock (persisted)
+                        {
+                            foreach (var kvp in persisted)
+                                dict[kvp.Key] = kvp.Value;
+                        }
+                    }
+
+                    // 3. 叠加本次调用传入的额外覆盖（优先级最高）
                     if (额外覆盖 != null)
                     {
                         foreach (var kvp in 额外覆盖)
@@ -776,6 +827,7 @@ namespace ZLGUSBCANFD
             }
             finally
             {
+                
                 Marshal.FreeHGlobal(ptrDbcMsg);
             }
         }

ZLGUSBCANFD/ZLGUSBCANFD.csproj

@@ -8,6 +8,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\Common\Common.csproj" />
+    <ProjectReference Include="..\Logger\Logger.csproj" />
   </ItemGroup>
 
 </Project>