Add unit category

Author: GOB52

src/M5UnitComponent.cpp

@@ -366,8 +366,8 @@ std::string Component::debugInfo() const
             tmp = m5::utility::formatString("%p:%u Type:%d", _adapter.get(), _adapter.use_count(), _adapter->type());
             break;
     }
-    return m5::utility::formatString("[%s]:ID{0X%08x}:%s parent:%u children:%zu/%u", deviceName(), identifier(),
-                                     tmp.c_str(), hasParent(), childrenSize(), _component_cfg.max_children);
+    return m5::utility::formatString("[%s]:ID{0X%08x}:%s CH:%d parent:%u children:%zu/%u", deviceName(), identifier(),
+                                     tmp.c_str(), channel(), hasParent(), childrenSize(), _component_cfg.max_children);
 }
 
 // Explicit template instantiation

src/M5UnitComponent.hpp

@@ -127,6 +127,11 @@ class Component {
     {
         return unit_attribute();
     }
+    //! @brief Gets the category
+    inline types::category_t category() const
+    {
+        return unit_category();
+    }
     //! @brief Gets the registered order (== 0 means not yet)
     inline uint32_t order() const
     {
@@ -247,6 +252,13 @@ class Component {
     {
         return _parent;
     }
+#if 0
+    //! @brief Gets the parent unit
+    inline const Component* parent() const
+    {
+        return _parent;
+    }
+#endif
     //! @brief Gets the device connected to the specified channel
     Component* child(const uint8_t chhanle) const;
     //! @brief Connect the unit to the specified channel
@@ -498,6 +510,10 @@ class Component {
     virtual const char* unit_device_name() const = 0;
     virtual types::uid_t unit_identifier() const = 0;
     virtual types::attr_t unit_attribute() const = 0;
+    inline virtual types::category_t unit_category() const
+    {
+        return types::category_t::None;
+    }
     inline virtual bool in_periodic() const
     {
         return _periodic;

src/m5_unit_component/types.hpp

@@ -28,6 +28,15 @@ namespace unit {
  */
 namespace types {
 
+/*!
+  @enum category_t
+  @brief Unit category (used for static class determination)
+ */
+enum class category_t {
+    None,
+    UnitLED, //!< Derived from UnitLED
+};
+
 using uid_t          = uint32_t;       //!< @brief Component unique identifier
 using attr_t         = uint32_t;       //!< @brief Component attribute bits
 using elapsed_time_t = unsigned long;  //!< @brief Elapsed time unit (ms)