105 lines
2.8 KiB
C
105 lines
2.8 KiB
C
#ifndef _SYS_H_
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#define _SYS_H_
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#include "stm32f4xx.h"
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//定义一些常用的数据类型短关键字
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typedef int32_t s32;
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typedef int16_t s16;
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typedef int8_t s8;
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typedef const int32_t sc32;
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typedef const int16_t sc16;
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typedef const int8_t sc8;
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typedef __IO int32_t vs32;
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typedef __IO int16_t vs16;
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typedef __IO int8_t vs8;
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typedef __I int32_t vsc32;
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typedef __I int16_t vsc16;
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typedef __I int8_t vsc8;
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typedef uint32_t u32;
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typedef uint16_t u16;
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typedef uint8_t u8;
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typedef const uint32_t uc32;
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typedef const uint16_t uc16;
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typedef const uint8_t uc8;
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typedef __IO uint32_t vu32;
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typedef __IO uint16_t vu16;
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typedef __IO uint8_t vu8;
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typedef __I uint32_t vuc32;
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typedef __I uint16_t vuc16;
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typedef __I uint8_t vuc8;
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#define BITBAND(addr, bitnum) ((addr & 0xF0000000)+0x2000000+((addr &0xFFFFF)<<5)+(bitnum<<2))
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#define MEM_ADDR(addr) *((volatile unsigned long *)(addr))
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#define BIT_ADDR(addr, bitnum) MEM_ADDR(BITBAND(addr, bitnum))
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//IO口地址映射
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#define GPIOA_ODR_Addr (GPIOA_BASE+12) //0x4001080C
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#define GPIOB_ODR_Addr (GPIOB_BASE+12) //0x40010C0C
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#define GPIOC_ODR_Addr (GPIOC_BASE+12) //0x4001100C
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#define GPIOD_ODR_Addr (GPIOD_BASE+12) //0x4001140C
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#define GPIOE_ODR_Addr (GPIOE_BASE+12) //0x4001180C
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#define GPIOF_ODR_Addr (GPIOF_BASE+12) //0x40011A0C
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#define GPIOG_ODR_Addr (GPIOG_BASE+12) //0x40011E0C
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#define GPIOA_IDR_Addr (GPIOA_BASE+8) //0x40010808
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#define GPIOB_IDR_Addr (GPIOB_BASE+8) //0x40010C08
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#define GPIOC_IDR_Addr (GPIOC_BASE+8) //0x40011008
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#define GPIOD_IDR_Addr (GPIOD_BASE+8) //0x40011408
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#define GPIOE_IDR_Addr (GPIOE_BASE+8) //0x40011808
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#define GPIOF_IDR_Addr (GPIOF_BASE+8) //0x40011A08
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#define GPIOG_IDR_Addr (GPIOG_BASE+8) //0x40011E08
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//IO口操作,只对单一的IO口!
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//确保n的值小于16!
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#define PAout(n) BIT_ADDR(GPIOA_ODR_Addr,n) //输出
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#define PAin(n) BIT_ADDR(GPIOA_IDR_Addr,n) //输入
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#define PBout(n) BIT_ADDR(GPIOB_ODR_Addr,n) //输出
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#define PBin(n) BIT_ADDR(GPIOB_IDR_Addr,n) //输入
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#define PCout(n) BIT_ADDR(GPIOC_ODR_Addr,n) //输出
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#define PCin(n) BIT_ADDR(GPIOC_IDR_Addr,n) //输入
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#define PDout(n) BIT_ADDR(GPIOD_ODR_Addr,n) //输出
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#define PDin(n) BIT_ADDR(GPIOD_IDR_Addr,n) //输入
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#define PEout(n) BIT_ADDR(GPIOE_ODR_Addr,n) //输出
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#define PEin(n) BIT_ADDR(GPIOE_IDR_Addr,n) //输入
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#define PFout(n) BIT_ADDR(GPIOF_ODR_Addr,n) //输出
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#define PFin(n) BIT_ADDR(GPIOF_IDR_Addr,n) //输入
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#define PGout(n) BIT_ADDR(GPIOG_ODR_Addr,n) //输出
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#define PGin(n) BIT_ADDR(GPIOG_IDR_Addr,n) //输入
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/////////////////////////////////////////////////////////////////
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//Ex_NVIC_Config专用定义
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#define GPIO_A 0
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#define GPIO_B 1
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#define GPIO_C 2
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#define GPIO_D 3
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#define GPIO_E 4
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#define GPIO_F 5
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#define GPIO_G 6
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#define FTIR 1 //下降沿触发
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#define RTIR 2 //上升沿触发
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#endif
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