//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) |
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