*** Using Compiler 'V5.06 update 7 (build 960)', folder: 'C:\Keil_v5\ARM\ARMCC\Bin'
Build target 'HK32F030MF4P6'
compiling main.c...
linking...
.\Objects\Project.axf: Error: L6218E: Undefined symbol unblock_ms (referred from main.o).
Not enough information to list image symbols.
Not enough information to list load addresses in the image map.
Finished: 2 information, 0 warning and 1 error messages.
".\Objects\Project.axf" - 1 Error(s), 0 Warning(s).
Target not created.
Build Time Elapsed:  00:00:00