feat(gateway): implement commissioning scan functionality with options for new, randomize, delete, and assign

Signed-off-by: Tony <tonylu@tony-cloud.com>

components/gateway_knx/include/gateway_knx.hpp

@@ -125,6 +125,13 @@ struct GatewayKnxCommissioningBallast {
   uint8_t short_address{0xff};
 };
 
+struct GatewayKnxReg1ScanOptions {
+  bool only_new{false};
+  bool randomize{false};
+  bool delete_all{false};
+  bool assign{false};
+};
+
 std::optional<GatewayKnxConfig> GatewayKnxConfigFromValue(const DaliValue* value);
 DaliValue GatewayKnxConfigToValue(const GatewayKnxConfig& config);
 bool GatewayKnxConfigUsesTpUart(const GatewayKnxConfig& config);
@@ -143,6 +150,7 @@ std::string GatewayKnxGroupAddressString(uint16_t group_address);
 class GatewayKnxBridge {
  public:
   explicit GatewayKnxBridge(DaliBridgeEngine& engine);
+  ~GatewayKnxBridge();
 
   void setConfig(const GatewayKnxConfig& config);
   void setRuntimeContext(const openknx::EtsDeviceRuntime* runtime);
@@ -196,11 +204,17 @@ class GatewayKnxBridge {
                              std::vector<uint8_t>* response);
   bool handleReg1FoundEvgsState(const uint8_t* data, size_t len,
                                 std::vector<uint8_t>* response);
+  static void CommissioningScanTaskEntry(void* arg);
+  void runCommissioningScanTask();
 
   DaliBridgeEngine& engine_;
   GatewayKnxConfig config_;
   const openknx::EtsDeviceRuntime* runtime_{nullptr};
   std::map<uint16_t, std::vector<GatewayKnxDaliBinding>> ets_bindings_by_group_address_;
+  SemaphoreHandle_t commissioning_lock_{nullptr};
+  TaskHandle_t commissioning_scan_task_{nullptr};
+  std::atomic_bool commissioning_scan_cancel_requested_{false};
+  GatewayKnxReg1ScanOptions commissioning_scan_options_;
   bool commissioning_scan_done_{true};
   bool commissioning_assign_done_{true};
   std::vector<GatewayKnxCommissioningBallast> commissioning_found_ballasts_;