sys.h 2.2 KB

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  1. #ifndef __SYS_H
  2. #define __SYS_H
  3. #include "stm32f10x.h"
  4. //////////////////////////////////////////////////////////////////////////////////
  5. //位带操作,实现51类似的GPIO控制功能
  6. //具体实现思想,参考<<CM3权威指南>>第五章(87页~92页).
  7. //IO口操作宏定义
  8. #define BITBAND(addr, bitnum) ((addr & 0xF0000000)+0x2000000+((addr &0xFFFFF)<<5)+(bitnum<<2))
  9. #define MEM_ADDR(addr) *((volatile unsigned long *)(addr))
  10. #define BIT_ADDR(addr, bitnum) MEM_ADDR(BITBAND(addr, bitnum))
  11. //IO口地址映射
  12. #define GPIOA_ODR_Addr (GPIOA_BASE+12) //0x4001080C
  13. #define GPIOB_ODR_Addr (GPIOB_BASE+12) //0x40010C0C
  14. #define GPIOC_ODR_Addr (GPIOC_BASE+12) //0x4001100C
  15. #define GPIOD_ODR_Addr (GPIOD_BASE+12) //0x4001140C
  16. #define GPIOE_ODR_Addr (GPIOE_BASE+12) //0x4001180C
  17. #define GPIOF_ODR_Addr (GPIOF_BASE+12) //0x40011A0C
  18. #define GPIOG_ODR_Addr (GPIOG_BASE+12) //0x40011E0C
  19. #define GPIOA_IDR_Addr (GPIOA_BASE+8) //0x40010808
  20. #define GPIOB_IDR_Addr (GPIOB_BASE+8) //0x40010C08
  21. #define GPIOC_IDR_Addr (GPIOC_BASE+8) //0x40011008
  22. #define GPIOD_IDR_Addr (GPIOD_BASE+8) //0x40011408
  23. #define GPIOE_IDR_Addr (GPIOE_BASE+8) //0x40011808
  24. #define GPIOF_IDR_Addr (GPIOF_BASE+8) //0x40011A08
  25. #define GPIOG_IDR_Addr (GPIOG_BASE+8) //0x40011E08
  26. //IO口操作,只对单一的IO口!
  27. //确保n的值小于16!
  28. #define PAout(n) BIT_ADDR(GPIOA_ODR_Addr,n) //输出
  29. #define PAin(n) BIT_ADDR(GPIOA_IDR_Addr,n) //输入
  30. #define PBout(n) BIT_ADDR(GPIOB_ODR_Addr,n) //输出
  31. #define PBin(n) BIT_ADDR(GPIOB_IDR_Addr,n) //输入
  32. #define PCout(n) BIT_ADDR(GPIOC_ODR_Addr,n) //输出
  33. #define PCin(n) BIT_ADDR(GPIOC_IDR_Addr,n) //输入
  34. #define PDout(n) BIT_ADDR(GPIOD_ODR_Addr,n) //输出
  35. #define PDin(n) BIT_ADDR(GPIOD_IDR_Addr,n) //输入
  36. #define PEout(n) BIT_ADDR(GPIOE_ODR_Addr,n) //输出
  37. #define PEin(n) BIT_ADDR(GPIOE_IDR_Addr,n) //输入
  38. #define PFout(n) BIT_ADDR(GPIOF_ODR_Addr,n) //输出
  39. #define PFin(n) BIT_ADDR(GPIOF_IDR_Addr,n) //输入
  40. #define PGout(n) BIT_ADDR(GPIOG_ODR_Addr,n) //输出
  41. #define PGin(n) BIT_ADDR(GPIOG_IDR_Addr,n) //输入
  42. //以下为汇编函数
  43. void WFI_SET(void); //执行WFI指令
  44. void INTX_DISABLE(void);//关闭所有中断
  45. void INTX_ENABLE(void); //开启所有中断
  46. void MSR_MSP(u32 addr); //设置堆栈地址
  47. #endif