编译出错 STM32H743I-EVAL_USBD-FS\STM32H743I-EVAL_USBD-FS.axf: Error: L6218E:
Undefined symbol __HAL_RCC_BKPSRAM_CLK_ENABLE (referred from main.o). STM32H743I-EVAL_USBD-FS\STM32H743I-EVAL_USBD-FS.axf: Error: L6218E:
Undefined symbol __HAL_RCC_PWR_CLK_ENABLE (referred from main.o).