..\SYSTEM\sys\sys.h(3): error: #5: cannot open source input file "stm32f10x_lib.h": No such file or directory compiling delay.c... ..\SYSTEM\delay\delay.c(1): error: #5: cannot open source input file "stm32f10x_lib.h": No such file or directory compiling sys.c... ..\SYSTEM\sys\