#define BITBAND(addr, bitnum) ((addr & 0xF0000000)+0x2000000+((addr &0xFFFFF)<<5)+(bitnum<<2))
#define MEM_ADDR(addr) *((vola
tile unsigned long *)(addr))
#define BIT_ADDR(addr, bitnum) MEM_ADDR(BITBAND(addr, bitnum))
#define PCout(n) BIT_ADDR(GPIOC_ODR_Addr,n)
就是上面这几个宏定义，实在是搞不懂了，请大家帮我看看
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