CAN设置添加

UIShare/GlobalVariable/DeviceManager.cs

@@ -8,6 +8,7 @@ using System.IO.Ports;
 using System.Linq;
 using System.Reflection;
 using UIShare.UIViewModel;
+using ZLGUSBCANFD;
 
 namespace UIShare.GlobalVariable
 {
@@ -28,6 +29,7 @@ namespace UIShare.GlobalVariable
 
         /// <summary>类名 → Type 的反射缓存（仅扫描一次）。</summary>
         private static readonly IReadOnlyDictionary<string, Type> _deviceTypeMap = BuildDeviceTypeMap();
+        public ZLGCANFD CANFD { get; set; }
 
         public DeviceManager(SystemConfig systemConfig, GlobalInfo globalInfo)
         {
@@ -37,6 +39,7 @@ namespace UIShare.GlobalVariable
             _scopeName =  _systemConfig.Title;
             InitDevices();
         }
+
         /// <summary>
         /// 根据设备配置提取唯一的硬件指纹字符串。
         /// <para>Tcp → "Tcp:IP:Port"；Serial → "Serial:PortName"；无法识别则返回空字符串。</para>
@@ -55,9 +58,14 @@ namespace UIShare.GlobalVariable
                 return $"Serial:{config.SerialPortConfig.PortName}";
             }
 
+            if (string.Equals(config.ConnectionType, "CAN", StringComparison.OrdinalIgnoreCase)
+                && config.CANConfig != null)
+            {
+                return $"CAN:{config.CANConfig.DeviceIndex}";
+            }
+
             return string.Empty;
         }
-
         private void InitDevices()
         {
             DeviceMap = new Dictionary<string, IBaseInterface>(StringComparer.OrdinalIgnoreCase);
@@ -68,6 +76,53 @@ namespace UIShare.GlobalVariable
             {
                 if (config == null || !config.IsEnabled) continue;
 
+                // CAN 设备：ZLGCANFD 不实现 IBaseInterface，通过 SystemConfig.CANFD 单独管理，
+                // 按指纹从全局 CanPool 创建/复用实例，并注册作用域引用计数。
+                if (string.Equals(config.ConnectionType, "CAN", StringComparison.OrdinalIgnoreCase))
+                {
+                    var fingerprint = ExtractHardwareFingerprint(config);
+                    if (string.IsNullOrEmpty(fingerprint))
+                    {
+                        LoggerHelper.Warn($"设备 [{config.DeviceName}] 无法提取硬件指纹（连接方式={config.ConnectionType}），已跳过。");
+                        continue;
+                    }
+
+                    if (config.CANConfig == null)
+                    {
+                        LoggerHelper.Warn($"设备 [{config.DeviceName}] 缺少 CAN 连接参数，已跳过。");
+                        continue;
+                    }
+
+                    try
+                    {
+                        // 按指纹全局唯一创建 ZLGCANFD 实例（maxChannels 默认 4，对应 USBCANFD-400U）
+                        var canLazy = _globalInfo.CanPool.GetOrAdd(fingerprint, key => new Lazy<ZLGCANFD>(() =>
+                            new ZLGCANFD(config.CANConfig.DeviceType, config.CANConfig.DeviceIndex, 4)));
+
+                        _systemConfig.CANFD = canLazy.Value;
+                        CANFD = canLazy.Value;
+
+                        // 注册作用域引用计数
+                        if (!string.IsNullOrEmpty(_scopeName))
+                        {
+                            var scopeList = _globalInfo.DeviceAndScopeDic.GetOrAdd(fingerprint,
+                                _ => new Lazy<List<string>>(() => new List<string>())).Value;
+                            lock (scopeList)
+                            {
+                                if (!scopeList.Contains(_scopeName))
+                                    scopeList.Add(_scopeName);
+                            }
+                        }
+
+                        LoggerHelper.Info($"已加载 CAN 设备 [{config.DeviceName}] 指纹={fingerprint}（通过 SystemConfig.CANFD 管理）");
+                    }
+                    catch (Exception ex)
+                    {
+                        LoggerHelper.ErrorWithNotify(_scopeName, $"CAN 设备 [{config.DeviceName}] 实例化失败：{ex.Message}");
+                    }
+                    continue;
+                }
+
                 if (string.IsNullOrWhiteSpace(config.DeviceType) ||
                     !_deviceTypeMap.TryGetValue(config.DeviceType, out var deviceType))
                 {
@@ -391,6 +446,17 @@ namespace UIShare.GlobalVariable
                     }
                 }
 
+                // 尝试从 CanPool 取出并销毁
+                if (_globalInfo.CanPool.TryRemove(fingerprint, out var canLazy))
+                {
+                    if (canLazy.IsValueCreated)
+                    {
+                        try { canLazy.Value.Dispose(); }
+                        catch { /* 销毁时忽略异常 */ }
+                        LoggerHelper.Info($"指纹 [{fingerprint}] 无作用域引用，已销毁 CAN 设备实例。");
+                    }
+                }
+
                 // 同步清除 DeviceAndScopeDic 中的空条目
                 _globalInfo.DeviceAndScopeDic.TryRemove(fingerprint, out _);
             }