feat(gateway): enhance OpenKNX integration with new DIB construction methods and improve BLE configuration

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

components/gateway_knx/src/ets_device_runtime.cpp

@@ -28,6 +28,7 @@ class ActiveFunctionPropertyRuntimeScope {
 };
 
 constexpr uint16_t kInvalidIndividualAddress = 0xffff;
+constexpr uint16_t kKnxUnconfiguredBroadcastAddress = 0xffff;  // KNX broadcast IA for unconfigured devices
 constexpr uint16_t kReg1DaliManufacturerId = 0x00a4;
 constexpr uint8_t kReg1DaliApplicationNumber = 0x01;
 constexpr uint8_t kReg1DaliApplicationVersion = 0x05;
@@ -125,6 +126,10 @@ void EtsDeviceRuntime::setProgrammingMode(bool enabled) {
 
 void EtsDeviceRuntime::toggleProgrammingMode() { setProgrammingMode(!programmingMode()); }
 
+DeviceObject& EtsDeviceRuntime::deviceObject() { return device_.deviceObject(); }
+
+Platform& EtsDeviceRuntime::platform() { return platform_; }
+
 EtsMemorySnapshot EtsDeviceRuntime::snapshot() const {
   EtsMemorySnapshot out;
   auto& device = const_cast<Bau07B0&>(device_);
@@ -318,19 +323,26 @@ bool EtsDeviceRuntime::shouldConsumeTunnelFrame(CemiFrame& frame) const {
     case M_FuncPropCommand_req:
     case M_FuncPropStateRead_req:
       return true;
-    case L_data_req:
-      if (!const_cast<Bau07B0&>(device_).configured() || programmingMode()) {
-        return true;
+    case L_data_req: {
+      // In commissioning / programming mode ETS may address the device via its
+      // individual address, the cEMI-client tunnel address (device+1), or the
+      // unconfigured broadcast address 0xFFFF.  Consume only those; let all
+      // other individual-addressed frames (bus-scan, DeviceDescriptorRead, …)
+      // pass through to the physical TP-UART so real KNX devices on the bus
+      // can reply.
+      const uint16_t dest = frame.destinationAddress();
+      const uint16_t own_address = individualAddress();
+      const uint16_t client_address = tunnelClientAddress();
+      const bool commissioning = !const_cast<Bau07B0&>(device_).configured() || programmingMode();
+
+      if (frame.addressType() == IndividualAddress) {
+        if (dest == own_address || dest == client_address ||
+            (commissioning && dest == kKnxUnconfiguredBroadcastAddress)) {
+          return true;
+        }
       }
-      if (frame.addressType() == IndividualAddress &&
-          frame.destinationAddress() == individualAddress()) {
-        return true;
-      }
-    #ifdef USE_DATASECURE
-      return frame.addressType() == GroupAddress && frame.apdu().type() == SecureService;
-    #else
       return false;
-    #endif
+    }
     default:
       return false;
   }