更新硬件集成文档
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# RaySourceOperateView 集成技术路线
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## 整体架构
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采用 **DLL 直接引用 + Prism DI 容器手动注册 + AutoWireViewModel 自动装配** 的集成方式。
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DLL 提供完整的 MVVM 三层(View / ViewModel / Service),主项目负责 DI 注册和 XAML 布局嵌入,数据通过注入的服务接口和 Prism EventAggregator 在两侧流动。
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---
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## 分层说明
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### 1. DLL 引用层
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`XP.Hardware.RaySource.dll` 放置于 `Libs/Hardware/` 目录,通过 `.csproj` 的 `<Reference HintPath>` 引用。
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DLL 内部包含:
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| 类型 | 名称 | 说明 |
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|------|------|------|
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| UserControl | `RaySourceOperateView` | 射线源操作界面 |
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| ViewModel | `RaySourceOperateViewModel` | 对应 ViewModel |
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| 服务接口/实现 | `IRaySourceService` / `RaySourceService` | 射线源业务逻辑 |
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| 工厂 | `IRaySourceFactory` / `RaySourceFactory` | 策略工厂,支持 Comet 160kv、Hamamatsu160kv |
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| 服务 | `IFilamentLifetimeService` | 灯丝寿命管理 |
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| 配置模型 | `RaySourceConfig` | 从 App.config 加载的配置 |
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---
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### 2. DI 注册层(App.xaml.cs → AppBootstrapper)
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主项目在 `RegisterTypes()` 中**手动注册** DLL 内所有服务,未走 Prism 的 `ConfigureModuleCatalog` 自动模块加载,目的是避免模块加载顺序问题,确保 DryIoc 容器在 Shell 创建前已具备所有依赖。
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```csharp
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// 注册 ViewModel(供 ViewModelLocator 自动装配)
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containerRegistry.Register<XP.Hardware.RaySource.ViewModels.RaySourceOperateViewModel>();
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// 注册配置(从 App.config 读取 RaySource:xxx 键值)
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var raySourceConfig = XP.Hardware.RaySource.Config.ConfigLoader.LoadConfig();
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containerRegistry.RegisterInstance(raySourceConfig);
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// 注册核心服务(全部单例)
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containerRegistry.RegisterSingleton<IRaySourceFactory, RaySourceFactory>();
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containerRegistry.RegisterSingleton<IRaySourceService, RaySourceService>();
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containerRegistry.RegisterSingleton<IFilamentLifetimeService, FilamentLifetimeService>();
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```
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---
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### 3. XAML 嵌入层(MainWindow.xaml)
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通过 XML 命名空间直接引用 DLL 中的 View:
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```xml
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xmlns:views1="clr-namespace:XP.Hardware.RaySource.Views;assembly=XP.Hardware.RaySource"
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```
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在主窗口右侧面板顶部(Grid.Row="0",固定高度 250px)放置控件:
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```xml
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<views1:RaySourceOperateView Grid.Row="0" Grid.ColumnSpan="2" />
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```
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控件内部已设置 `prism:ViewModelLocator.AutoWireViewModel="True"`,Prism 按命名约定自动从 DI 容器解析 `RaySourceOperateViewModel` 并绑定为 DataContext。
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---
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### 4. 数据传递路线
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数据流分四条路径:
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**路径 A:配置数据(启动时,单向下行)**
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```
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App.config (RaySource:xxx 键值)
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→ ConfigLoader.LoadConfig()
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→ RaySourceConfig 实例
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→ 注入到 RaySourceService / RaySourceOperateViewModel
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```
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App.config 中的关键配置项:
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```xml
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<add key="RaySource:PlcIpAddress" value="192.168.1.100" />
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<add key="RaySource:MinVoltage" value="20" />
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<add key="RaySource:MaxVoltage" value="225" />
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<add key="RaySource:StatusPollingInterval" value="500" />
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<add key="RaySource:EnableAutoStatusMonitoring" value="true" />
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```
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**路径 B:用户操作(UI → DLL 服务层)**
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```
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RaySourceOperateView(按钮点击)
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→ RaySourceOperateViewModel(Command 绑定)
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→ IRaySourceService.SetVoltageAsync() / TurnOnAsync() / ...
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→ IXRaySource(具体策略实现,如 Comet225)
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→ 硬件通讯(B&R PVI / BR.AN.PviServices.dll)
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```
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**路径 C:状态回传(DLL 服务层 → UI)**
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```
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硬件状态轮询(StatusPollingInterval = 500ms)
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→ RaySourceService 内部更新
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→ RaySourceOperateViewModel 属性变更(INotifyPropertyChanged)
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→ RaySourceOperateView 数据绑定自动刷新
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同时:
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→ AppStateService 订阅 IRaySourceService 事件
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→ 更新 RaySourceState(IsOn, Voltage, Power)
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→ Dispatcher.BeginInvoke 调度到 UI 线程
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→ 其他 ViewModel 通过 IAppStateService 读取全局射线源状态
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```
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`RaySourceState` 为不可变 record,定义于 `Models/StateModels.cs`:
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```csharp
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public record RaySourceState(
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bool IsOn, // 开关状态
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double Voltage, // 电压 (kV)
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double Power // 功率 (W)
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)
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{
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public static readonly RaySourceState Default = new(false, 0, 0);
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}
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```
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**路径 D:跨模块事件通讯(Prism EventAggregator)**
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```
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DLL 内部发布事件(XP.Hardware.RaySource.Abstractions.Events):
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XrayStateChangedEvent — 射线开关状态变化
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StatusUpdatedEvent — 实时电压/电流数据
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ErrorOccurredEvent — 错误通知
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OperationResultEvent — 操作结果回调
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主项目任意 ViewModel 订阅示例:
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_eventAggregator.GetEvent<StatusUpdatedEvent>().Subscribe(data => { ... });
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```
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---
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### 5. 完整依赖关系
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```
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RaySourceOperateView(DLL 中的 UserControl)
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└─ AutoWire → RaySourceOperateViewModel(DLL,主项目注册到 DI)
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├─ IRaySourceService ← 单例,DLL 实现
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├─ RaySourceConfig ← App.config 加载
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├─ IFilamentLifetimeService ← 单例,DLL 实现
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├─ IEventAggregator ← Prism 内置
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├─ ILoggerService ← 主项目 LoggerServiceAdapter 适配 Serilog
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└─ ILocalizationService ← 主项目注册,DLL 消费
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```
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---
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### 6. 资源释放
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`App.OnExit()` 中显式从容器解析并释放资源:
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```csharp
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var appStateService = bootstrapper.Container.Resolve<IAppStateService>();
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appStateService?.Dispose();
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var raySourceService = bootstrapper.Container.Resolve<IRaySourceService>();
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raySourceService?.Dispose();
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```
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确保硬件连接在应用退出时正确断开。
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### 7.
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---
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# 硬件层 → AppState → UI 状态同步机制
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## 整体结论
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| 硬件子系统 | 同步方式 | AppState 订阅 | 状态是否自动同步 |
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|-----------|---------|--------------|----------------|
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| 运动控制(Motion) | 事件驱动 + 轮询 | ✅ 已订阅 `GeometryUpdatedEvent` / `AxisStatusChangedEvent` | ✅ 自动同步 |
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| 射线源(RaySource) | 事件定义存在 | ❌ 未订阅任何事件 | ⚠️ 需手动推送 |
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| 探测器(Detector) | 事件定义存在 | ❌ 未订阅任何事件 | ⚠️ 需手动推送 |
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| 相机(Camera) | ViewModel 直连 | ❌ 不经过 AppState | ⚠️ `CameraState` 为空壳 |
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---
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## 一、运动控制 — 完整链路
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### 1.1 数据流
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```
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PLC 硬件(B&R)
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└─ IPlcService.IsConnected(轮询前置检查)
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└─ MotionControlService.OnPollingTick() [System.Threading.Timer,周期 = PollingInterval ms]
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├─ _motionSystem.UpdateAllStatus() ← 从 PLC 读取所有轴实际位置
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├─ GetCurrentGeometry() ← 正算 FOD / FDD / Magnification
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├─ 发布 GeometryUpdatedEvent ─┐
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└─ 发布 AxisStatusChangedEvent ─┤
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↓
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AppStateService(构造时订阅两个事件)
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├─ OnGeometryUpdated()
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└─ OnAxisStatusChanged()
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└─ TryRefreshMotionStateFromHardware()
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└─ BuildMotionStateSnapshot()
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├─ 读取所有轴 ActualPosition / ActualAngle
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└─ SetMotionState()
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└─ 触发 MotionStateChanged 事件
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└─ ViewModel 绑定自动刷新 UI
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```
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### 1.2 关键实现细节
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**轮询启动**:`MotionControlService.StartPolling()` 需在应用启动时显式调用,否则轮询不会运行。
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**PLC 未连接时的保护**:
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```csharp
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// MotionControlService.OnPollingTick()
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if (!_plcService.IsConnected) return; // 直接跳过,不报错
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```
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**连续错误降频**:
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```csharp
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if (_pollErrorCount > 3)
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{
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if (++_pollErrorCount % 50 != 0) return; // 每 50 次才尝试一次,防止日志刷屏
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}
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```
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**AppStateService 初始化时的首次刷新**:
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```csharp
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// AppStateService 构造函数末尾
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private void SubscribeToExistingServices()
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{
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if (TryRefreshMotionStateFromHardware("initialization"))
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_logger.Info("AppStateService subscribed to motion hardware state");
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else
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_logger.Warn("AppStateService could not initialize motion state from hardware");
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}
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```
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PLC 未连接时 warn 但不崩溃,等待后续轮询事件触发再同步。
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**`UpdateMotionState()` 的特殊行为**:
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```csharp
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public void UpdateMotionState(MotionState newState)
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{
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// 优先从硬件层拉取最新快照,忽略外部传入值
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if (TryRefreshMotionStateFromHardware("UpdateMotionState"))
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return;
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// 硬件不可用时才使用传入值(降级路径)
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SetMotionState(newState);
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}
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```
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硬件连接后,外部调用 `UpdateMotionState()` 实际上会被硬件快照覆盖,硬件层始终是 `MotionState` 的唯一真实来源。
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### 1.3 事件清单
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| 事件 | 发布方 | 订阅方 | 触发时机 |
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|------|--------|--------|---------|
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| `GeometryUpdatedEvent` | `MotionControlService` | `AppStateService`、`MotionControlViewModel`、`AxisControlViewModel` | 每次轮询 tick |
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| `AxisStatusChangedEvent` | `MotionControlService` | `AppStateService`、`MotionControlViewModel`、`AxisControlViewModel` | 轴状态发生变化时 |
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| `MotionErrorEvent` | `MotionControlService` | — | 轴状态变为 Error / Alarm |
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| `DoorStatusChangedEvent` | `MotionControlService` | `MotionControlViewModel` | 安全门状态变化 |
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| `DoorInterlockChangedEvent` | `MotionControlService` | — | 联锁状态变化 |
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| `GeometryApplyRequestEvent` | DebugWindow | `MotionControlViewModel` | 调试窗口发起几何反算请求 |
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---
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## 二、射线源 — 断链(待补全)
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### 2.1 现状
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`AppStateService` 持有 `IRaySourceService` 引用,但**没有订阅任何射线源事件**。`RaySourceState` 只能通过外部显式调用 `UpdateRaySourceState()` 手动推送,硬件状态变化不会自动反映到 AppState。
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```
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XP.Hardware.RaySource 发布的事件(均无人在 AppState 层订阅):
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├─ StatusUpdatedEvent ← 实时电压 / 电流 / 功率数据
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├─ RaySourceStatusChangedEvent ← 三态状态(On / Off / Fault)
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├─ VariablesConnectedEvent ← PLC 变量连接状态
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└─ OperationResultEvent ← 操作执行结果
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```
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### 2.2 当前 `RaySourceState` 的写入路径
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目前只有两处会更新 `RaySourceState`:
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1. `CncProgramService.CreateReferencePointNode()` — 创建参考点时读取一次快照
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2. 任何直接调用 `appStateService.UpdateRaySourceState()` 的地方(目前代码中无此调用)
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### 2.3 修复方案
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在 `AppStateService` 构造时订阅 `StatusUpdatedEvent`,将实时数据映射到 `RaySourceState`:
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```csharp
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// AppStateService 构造函数中补充
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_raySourceStatusToken = _eventAggregator
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.GetEvent<StatusUpdatedEvent>()
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.Subscribe(OnRaySourceStatusUpdated);
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// 处理方法
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private void OnRaySourceStatusUpdated(SystemStatusData data)
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{
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if (_disposed) return;
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UpdateRaySourceState(new RaySourceState(
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IsOn: data.IsOn,
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Voltage: data.Voltage,
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Power: data.Power));
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}
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```
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同时在 `Dispose()` 中取消订阅,并在 `AppStateService` 的字段和 `Dispose` 方法中补充对应的 `SubscriptionToken`。
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---
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## 三、探测器 — 断链(待补全)
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### 3.1 现状
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与射线源情况相同,`AppStateService` 没有订阅任何探测器事件,`DetectorState` 是静态默认值。
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```
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XP.Hardware.Detector 发布的事件(均无人在 AppState 层订阅):
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├─ StatusChangedEvent ← 探测器连接 / 采集状态变化
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├─ ImageCapturedEvent ← 图像采集完成
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├─ CorrectionCompletedEvent ← 校正完成
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└─ ErrorOccurredEvent ← 错误发生
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```
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### 3.2 修复方案
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在 `AppStateService` 构造时订阅 `StatusChangedEvent`:
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```csharp
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_detectorStatusToken = _eventAggregator
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.GetEvent<XP.Hardware.Detector.Abstractions.Events.StatusChangedEvent>()
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.Subscribe(OnDetectorStatusChanged);
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private void OnDetectorStatusChanged(DetectorStatus status)
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{
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if (_disposed) return;
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UpdateDetectorState(new DetectorState(
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IsConnected: status.IsConnected,
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IsAcquiring: status.IsAcquiring,
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FrameRate: status.FrameRate,
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Resolution: status.Resolution));
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}
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```
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---
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## 四、相机 — 独立直连,不经过 AppState
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### 4.1 现状
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相机完全绕过 `AppStateService`,由 `NavigationPropertyPanelViewModel` 直接持有 `ICamera` 引用并订阅硬件事件:
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```
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NavigationPropertyPanelViewModel
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└─ 直接持有 ICamera 引用
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├─ _camera.ImageGrabbed += OnCameraImageGrabbed
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├─ _camera.GrabError += OnCameraGrabError
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└─ _camera.ConnectionLost += OnCameraConnectionLost
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└─ IsCameraConnected 属性直接驱动 UI 命令可用性
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```
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`AppStateService.CameraState` 字段目前是空壳,没有任何地方向它写入真实数据。
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### 4.2 架构说明
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相机的独立直连是有意为之的设计——相机图像流数据量大、帧率高,不适合经过 AppState 的不可变 record 替换机制。当前图像通过 `ManualImageLoadedEvent` 在模块间传递,与状态管理解耦。
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如需将相机连接状态纳入 AppState 统一管理(例如供其他模块查询),可在 `OnCameraConnectionLost` / `ConnectCamera` 中补充调用 `_appStateService.UpdateCameraState()`,仅同步连接状态,不同步图像帧。
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---
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## 五、状态同步全景图
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```
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┌─────────────────────────────────────────────────────────────────────┐
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│ 硬件层 │
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│ │
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│ PLC ──→ MotionControlService ──→ GeometryUpdatedEvent ─────┐ │
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│ └──→ AxisStatusChangedEvent ────┤ │
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│ │ │
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│ RaySource ──→ IRaySourceService ──→ StatusUpdatedEvent ─ ─ ┤ │
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│ └──→ RaySourceStatusChangedEvent ─┤│
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│ │ │
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│ Detector ──→ IDetectorService ──→ StatusChangedEvent ─ ─ ┤ │
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│ │ │
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│ Camera ──→ ICamera ──→ ImageGrabbed / ConnectionLost ─ ─ ┘ │
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└─────────────────────────────────────────────────────────────────────┘
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│ 已接通 ✅ │ 断链 ⚠️
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↓ ↓
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┌─────────────────────────────────────────────────────────────────────┐
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│ AppStateService │
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│ │
|
||||
│ MotionState ← 自动同步(轮询 + 事件驱动) ✅ │
|
||||
│ RaySourceState ← 需手动推送 / 待补订阅 ⚠️ │
|
||||
│ DetectorState ← 需手动推送 / 待补订阅 ⚠️ │
|
||||
│ CameraState ← 空壳,相机走独立直连路径 ⚠️ │
|
||||
└─────────────────────────────────────────────────────────────────────┘
|
||||
│
|
||||
↓ PropertyChanged / StateChangedEvent
|
||||
┌─────────────────────────────────────────────────────────────────────┐
|
||||
│ ViewModel 层 │
|
||||
│ │
|
||||
│ MotionControlViewModel ← 同时订阅 GeometryUpdatedEvent(双路) │
|
||||
│ CncNodeViewModel ← 通过 IAppStateService 读取快照 │
|
||||
│ CncEditorViewModel ← 通过 IAppStateService 读取快照 │
|
||||
│ NavigationPropertyPanelViewModel ← 直连 ICamera(独立路径) │
|
||||
└─────────────────────────────────────────────────────────────────────┘
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
|
||||
## 六、待办事项
|
||||
|
||||
| 优先级 | 项目 | 涉及文件 |
|
||||
|--------|------|---------|
|
||||
| 高 | 补充射线源事件订阅,打通 `RaySourceState` 自动同步 | `AppStateService.cs` |
|
||||
| 高 | 补充探测器事件订阅,打通 `DetectorState` 自动同步 | `AppStateService.cs` |
|
||||
| 中 | 确认 `StartPolling()` 在应用启动流程中被调用 | `App.xaml.cs` / `AppBootstrapper` |
|
||||
| 低 | 评估是否将相机连接状态纳入 `CameraState` 统一管理 | `NavigationPropertyPanelViewModel.cs`、`AppStateService.cs` |
|
||||
|
||||
|
||||
|
||||
Reference in New Issue
Block a user