ALIENTEK STM32 development board SYSTEM folder, using V3.5 library header file, so that the code can be perfectlyported to library functions to use. But note that in the new project, please: Options for Target--> C / C + + option The Preprocessor Symbols field on the card defines your STM32 chip capacity. For example: ALENTEK STM32 development board users, use a large capacity STM32 chip, enter in the Define field: STM32F10X_HD
For the STM32F103 series chips, set the principles as follow:
16KB¡ÜFLASH¡Ü32KB       Select£ºSTM32F10X_LD
64KB¡ÜFLASH¡Ü128KB      Select£ºSTM32F10X_MD
256KB¡ÜFLASH¡Ü512KB     Select£ºSTM32F10X_HD