diff --git a/cube/Core/Src/stm32f1xx_it.c b/cube/Core/Src/stm32f1xx_it.c
index a2b612a..aa1004a 100644
--- a/cube/Core/Src/stm32f1xx_it.c
+++ b/cube/Core/Src/stm32f1xx_it.c
@@ -49,7 +49,9 @@
 /* USER CODE END PV */
 
 /* Private function prototypes -----------------------------------------------*/
-/* USER CODE BEGIN PFP */
+/* USER CODE BEGIN PFP */
+void mbusCommISR();
+
 
 /* USER CODE END PFP */
 
diff --git a/cube/Makefile b/cube/Makefile
index d9179f9..6bd816b 100644
--- a/cube/Makefile
+++ b/cube/Makefile
@@ -1,6 +1,6 @@
 # Processed by ../tools/insertMyCode.sh
 ##########################################################################################################################
-# File automatically-generated by tool: [projectgenerator] version: [3.10.0-B14] date: [Sun Dec 27 11:47:17 CET 2020]
+# File automatically-generated by tool: [projectgenerator] version: [3.10.0-B14] date: [Sun Dec 27 12:03:42 CET 2020]
 ##########################################################################################################################
 
 # ------------------------------------------------
diff --git a/cube/Makefile-bak b/cube/Makefile-bak
index bf9669a..854dde3 100644
--- a/cube/Makefile-bak
+++ b/cube/Makefile-bak
@@ -1,5 +1,5 @@
 ##########################################################################################################################
-# File automatically-generated by tool: [projectgenerator] version: [3.10.0-B14] date: [Sun Dec 27 11:47:17 CET 2020]
+# File automatically-generated by tool: [projectgenerator] version: [3.10.0-B14] date: [Sun Dec 27 12:03:42 CET 2020]
 ##########################################################################################################################
 
 # ------------------------------------------------
diff --git a/tools/insertMyCode.sh b/tools/insertMyCode.sh
index 79ceb82..c91cad9 100755
--- a/tools/insertMyCode.sh
+++ b/tools/insertMyCode.sh
@@ -48,6 +48,7 @@ cp $IT_C $IT_C_BAK
 echo "// $PROCESSED" > $IT_C
 cat $IT_C_BAK | \
   sed -e 's,\(/\* USER CODE BEGIN Includes \*/\),\1\n#include "main2.h"\n,' \
+      -e 's,\(/\* USER CODE BEGIN PFP \*/\),\1\nvoid mbusCommISR();\n,' \
       -e 's,\(/\* USER CODE BEGIN SysTick_IRQn 1 \*/\),\1\n  SYSTICK_Callback();\n,' \
       -e 's,\(HAL_UART_IRQHandler(&huart5);\),// \1,' \
       -e 's,\(/\* USER CODE BEGIN UART5_IRQn 1 \*/\),\1\n  mbusCommISR();\n,' \