typedef struct不太会，有没有大佬细心指导指导？

[复制链接]

398|0

手机看帖

扫描二维码
随时随地手机跟帖

电梯直达

楼主

无幻|

楼主 | 2020-4-25 16:42 | 只看该作者回帖奖励

|倒序浏览 |阅读模式

struct, typedef, se, gp, IO

//用来存放寄存器映射的代码

//外设 Perirhral
#define PERIRPH_BASE          ((unsigned int)0x40000000)//这里要别加*号就都别加不然出问题
#define APB1PERIRPH_BASE       PERIRPH_BASE
#define APB2PERIRPH_BASE       (PERIRPH_BASE+0x10000)
#define AHBPERIRPH_BASE       (PERIRPH_BASE+0x20000)

#define RCC_BASE             (AHBPERIRPH_BASE+0x1000)
#define GPIOB_BASE             (APB2PERIRPH_BASE+0x0c00)

#define RCC_APB2ENR          *(unsigned int*)(RCC_BASE+0x18)

//#define GPIOB_CRL             *(unsigned int*)(GPIOB_BASE+0x00)
//#define GPIOB_CRH             *(unsigned int*)(GPIOB_BASE+0x04)
//#define GPIOB_IDR             *(unsigned int*)(GPIOB_BASE+0x08)
//#define GPIOB_ODR             *(unsigned int*)(GPIOB_BASE+0x0C)
//#define GPIOB_BSRR             *(unsigned int*)(GPIOB_BASE+0x10)
//#define GPIOB_BRR             *(unsigned int*)(GPIOB_BASE+0x14)
//#define GPIOB_LCKR             *(unsigned int*)(GPIOB_BASE+0x18)


typedef unsigned int uint32_t;
typedef unsigned short uint16_t;
typedef struct
{
  uint32_t CRL;
      uint32_t CRH;
      uint32_t IDR;
      uint32_t ODR;
      uint32_t BSRR;
      uint32_t BRR;
      uint32_t LCKR;
}GPIO_TypeDef;

typedef struct
{
  uint32_t CR;
      uint32_t CFGR;
      uint32_t CIR;
      uint32_t APB2RSTR;
      uint32_t APB1RSTR;
      uint32_t AHBENR;
      uint32_t APB2ENR;
      uint32_t APB1ENR;
      uint32_t BDCR;
      uint32_t CSR;
}RCC_TypeDef;

#define GPIOB ((GPIO_TypeDef*)GPIOB_BASE)

使用特权