 
   
#include "stm32f10x.h"
void SystemInit()
{
	
}
int main()
{
	
}
错误展示:
    
     Rebuild started: Project: led
    
    
    
     *** Using Compiler ‘V6.15’, folder: ‘C:\Keil_v5\ARM\ARMCLANG\Bin’
    
    
    
     Rebuild target ‘Target 1’
    
    
    
     main.c(5): warning:
    
    
     no previous prototype for function ‘SystemInit
    
    
     ‘ [-Wmissing-prototypes]
    
    
    
     void SystemInit(void)
    
    
    
     ^
    
    
    
     main.c(5): note: declare ‘static’ if the function is not intended to be used outside of this translation unit
    
    
    
     void SystemInit(void)
    
    
    
     ^
    
    
    
     static
    
    
    
     1 warning generated.
    
    
    
     compiling main.c…
    
    
    
     assembling startup_stm32f10x_hd.s…
    
    
    
     linking…
    
    
    
     Program Size: Code=324 RO-data=320 RW-data=0 ZI-data=1632
    
    
    
     “.\Objects\led.axf” – 0 Error(s), 1 Warning(s).
    
    
    
     Build Time Elapsed: 00:00:00
    
   
SystemInit函数是startup启动文件中的,经过百度,有警告,可能又和什么版本乱七八糟的有关吧
解决方法:点击魔术棒,选择5,有警告的时候默认是6
     
   
再次编译就没了
 
