STM32的一些位操作技巧

#include <stdint.h>
#include<stdio.h>

#define SYSCLK_FREQ_72MHz 72000000
#define pinpos 3
#define pineight 8
typedef struct
{
   
   
	uint32_t Pin;
	uint32_t Model;
	uint32_t Pull;
	uint32_t Speed