STM32F4xx位带操作 #define BITBAND(addr, bitnum) ((addr & 0xF0000000)+0x2000000+((addr&0xFFFFF)<<5)+(bitnum<<2))#define MEM_ADDR(addr) *((volatile unsigned long *)(addr))#define BIT_ADDR(addr, bitnum) MEM_ADDR(BITBAN... 2023-06-13 STM32F4xx位带操作文章单片机