Index: firmware/include/sys_core.h
===================================================================
diff -u -rabb9687e52d9db5df1abe7626ba04a6d431ba823 -rf6fd9dfd1a30412e237ff45ebee44854f0e2d4b2
--- firmware/include/sys_core.h	(.../sys_core.h)	(revision abb9687e52d9db5df1abe7626ba04a6d431ba823)
+++ firmware/include/sys_core.h	(.../sys_core.h)	(revision f6fd9dfd1a30412e237ff45ebee44854f0e2d4b2)
@@ -54,6 +54,7 @@
 #endif
 
 /* USER CODE BEGIN (0) */
+void _copyAPI2RAM_(void);
 /* USER CODE END */
 
 /** @def USER_STACK_LENGTH