Build target 'LED-DEMO'
linking...
STM32-DEMO.axf: Error: L6218E: Undefined symbol SysTick_CLKSourceConfig (referred from delay.o).
STM32-DEMO.axf: Error: L6218E: Undefined symbol NVIC_PriorityGroupConfig (referred from sys.o).
STM32-DEMO.axf: Not enough information to list image symbols.
STM32-DEMO.axf: Not enough information to list the image map.
STM32-DEMO.axf: Finished: 2 information, 0 warning and 2 error messages.
Target not created

一直提示这两个symbol未定义。我在cof.h中已经把所有头文件都包含进来了还是不行

 #include "stm32f10x_adc.h" 
 #include "stm32f10x_bkp.h" 
 #include "stm32f10x_can.h" 
 #include "stm32f10x_crc.h" 
 #include "stm32f10x_dac.h" 
 #include "stm32f10x_dbgmcu.h"
 #include "stm32f10x_dma.h"
 #include "stm32f10x_exti.h"
 #include "stm32f10x_flash.h"
 #include "stm32f10x_fsmc.h" 
#include "stm32f10x_gpio.h"
 #include "stm32f10x_i2c.h" 
 #include "stm32f10x_iwdg.h" 
 #include "stm32f10x_pwr.h" 
#include "stm32f10x_rcc.h"
 #include "stm32f10x_rtc.h" 
 #include "stm32f10x_sdio.h" 
 #include "stm32f10x_spi.h"
 #include "stm32f10x_tim.h"
 #include "stm32f10x_usart.h"
 #include "stm32f10x_wwdg.h" 
#include "misc.h" 
请问怎么解决呀？