72 lines
2.1 KiB
C
72 lines
2.1 KiB
C
#ifndef __SYS_H
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#define __SYS_H
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#include "stm32f10x.h"
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#include "misc.h"
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//! 位带操作,实现51类似的GPIO控制功能
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//! 具体实现思想,参考<CM3权威指南>第五章87~92页
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//! IO口宏操作定义
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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,只针对单一IO口操作
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//! 确保n值小于16
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//! 输出
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#define PAout(n) BIT_ADDR(GPIOA_ODR_Addr,n)
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//! 输入
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#define PAin(n) BIT_ADDR(GPIOA_IDR_Addr,n)
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//! 输出
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#define PBout(n) BIT_ADDR(GPIOB_ODR_Addr,n)
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//! 输入
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#define PBin(n) BIT_ADDR(GPIOB_IDR_Addr,n)
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//! 输出
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#define PCout(n) BIT_ADDR(GPIOC_ODR_Addr,n)
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//! 输入
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#define PCin(n) BIT_ADDR(GPIOC_IDR_Addr,n)
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//! 输出
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#define PDout(n) BIT_ADDR(GPIOD_ODR_Addr,n)
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//! 输入
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#define PDin(n) BIT_ADDR(GPIOD_IDR_Addr,n)
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//! 输出
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#define PEout(n) BIT_ADDR(GPIOE_ODR_Addr,n)
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//! 输入
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#define PEin(n) BIT_ADDR(GPIOE_IDR_Addr,n)
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//! 输出
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#define PFout(n) BIT_ADDR(GPIOF_ODR_Addr,n)
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//! 输入
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#define PFin(n) BIT_ADDR(GPIOF_IDR_Addr,n)
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//! 输出
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#define PGout(n) BIT_ADDR(GPIOG_ODR_Addr,n)
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//! 输入
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#define PGin(n) BIT_ADDR(GPIOG_IDR_Addr,n)
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void NVIC_Configuration(void);
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#endif
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