fix another build error without tunneling

add ci environment with tunneling

Author: Ing-Dom

examples/knx-demo-coupler/platformio-ci.ini

@@ -13,7 +13,7 @@
 
 ;--- ESP32 -----------------------------------------------
 [env:esp32dev_ip_tp]
-platform = https://github.com/pioarduino/platform-espressif32/releases/download/54.03.20/platform-espressif32.zip
+platform = https://github.com/pioarduino/platform-espressif32/releases/download/54.03.21-2/platform-espressif32.zip
 board = esp32dev
 framework = arduino
 lib_deps =
@@ -29,8 +29,8 @@ build_flags =
   ;--- RP2040 -----------------------------------------------
 [env:rp2040]
 framework = arduino
-platform = https://github.com/maxgerhardt/platform-raspberrypi.git#e89b79e
-platform_packages = framework-arduinopico @ https://github.com/earlephilhower/arduino-pico/releases/download/4.5.4/rp2040-4.5.4.zip
+platform = https://github.com/maxgerhardt/platform-raspberrypi.git#22a4cc6
+platform_packages = framework-arduinopico @ https://github.com/earlephilhower/arduino-pico/releases/download/5.4.1/rp2040-5.4.1.zip
 board = rpipico
 board_build.core = earlephilhower
 
@@ -45,4 +45,11 @@ build_flags =
   -DMASK_VERSION=0x091A
   -DKNX_FLASH_SIZE=4096
   -D PIO_FRAMEWORK_ARDUINO_ENABLE_RTTI
-  -Wno-unknown-pragmas
+  -Wno-unknown-pragmas
+
+    ;--- RP2040 -----------------------------------------------
+[env:rp2040_tunneling]
+extends = rp2040
+build_flags =
+  ${rp2040.build_flags}
+  -DKNX_TUNNELING=16

src/knx/bau091A.cpp

@@ -167,7 +167,9 @@ void Bau091A::loop()
     _dlLayerPrimary.loop();
     _dlLayerSecondary.loop();
     BauSystemBCoupler::loop();
+#ifdef KNX_TUNNELING
     _ipTunnelServer.loop();
+#endif
 }
 
 TPAckType Bau091A::isAckRequired(uint16_t address, bool isGrpAddr)