D:\Software\Keil5\ARM\PACK\Keil\STM32F1xx_DFP\2.1.0\Device\Include\stm32f10x.h(483): error: #5: cannot open source input file "core_cm3.h": No such file or directory
D:\Software\Keil5\ARM\PACK\Keil\STM32F1xx_DFP\2.1.0\Device\Include\stm32f10x.h(483): error: #5: cannot open source input file "core_cm3.h": No such file or directory