sys.h 2.9 KB

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  1. #ifndef __SYS_H
  2. #define __SYS_H
  3. #include "stm32f4xx.h"
  4. //////////////////////////////////////////////////////////////////////////////////
  5. //修改说明
  6. //无
  7. //////////////////////////////////////////////////////////////////////////////////
  8. extern u8 sysIsReady;
  9. //0,不支持ucos
  10. //1,支持ucos
  11. #define SYSTEM_SUPPORT_OS 0 //定义系统文件夹是否支持UCOS
  12. //位带操作,实现51类似的GPIO控制功能
  13. //具体实现思想,参考<<CM3权威指南>>第五章(87页~92页).M4同M3类似,只是寄存器地址变了.
  14. //IO口操作宏定义
  15. #define BITBAND(addr, bitnum) ((addr & 0xF0000000)+0x2000000+((addr &0xFFFFF)<<5)+(bitnum<<2))
  16. #define MEM_ADDR(addr) *((volatile unsigned long *)(addr))
  17. #define BIT_ADDR(addr, bitnum) MEM_ADDR(BITBAND(addr, bitnum))
  18. //IO口地址映射
  19. #define GPIOA_ODR_Addr (GPIOA_BASE+20) //0x40020014
  20. #define GPIOB_ODR_Addr (GPIOB_BASE+20) //0x40020414
  21. #define GPIOC_ODR_Addr (GPIOC_BASE+20) //0x40020814
  22. #define GPIOD_ODR_Addr (GPIOD_BASE+20) //0x40020C14
  23. #define GPIOE_ODR_Addr (GPIOE_BASE+20) //0x40021014
  24. #define GPIOF_ODR_Addr (GPIOF_BASE+20) //0x40021414
  25. #define GPIOG_ODR_Addr (GPIOG_BASE+20) //0x40021814
  26. #define GPIOH_ODR_Addr (GPIOH_BASE+20) //0x40021C14
  27. #define GPIOI_ODR_Addr (GPIOI_BASE+20) //0x40022014
  28. #define GPIOA_IDR_Addr (GPIOA_BASE+16) //0x40020010
  29. #define GPIOB_IDR_Addr (GPIOB_BASE+16) //0x40020410
  30. #define GPIOC_IDR_Addr (GPIOC_BASE+16) //0x40020810
  31. #define GPIOD_IDR_Addr (GPIOD_BASE+16) //0x40020C10
  32. #define GPIOE_IDR_Addr (GPIOE_BASE+16) //0x40021010
  33. #define GPIOF_IDR_Addr (GPIOF_BASE+16) //0x40021410
  34. #define GPIOG_IDR_Addr (GPIOG_BASE+16) //0x40021810
  35. #define GPIOH_IDR_Addr (GPIOH_BASE+16) //0x40021C10
  36. #define GPIOI_IDR_Addr (GPIOI_BASE+16) //0x40022010
  37. //IO口操作,只对单一的IO口!
  38. //确保n的值小于16!
  39. #define PAout(n) BIT_ADDR(GPIOA_ODR_Addr,n) //输出
  40. #define PAin(n) BIT_ADDR(GPIOA_IDR_Addr,n) //输入
  41. #define PBout(n) BIT_ADDR(GPIOB_ODR_Addr,n) //输出
  42. #define PBin(n) BIT_ADDR(GPIOB_IDR_Addr,n) //输入
  43. #define PCout(n) BIT_ADDR(GPIOC_ODR_Addr,n) //输出
  44. #define PCin(n) BIT_ADDR(GPIOC_IDR_Addr,n) //输入
  45. #define PDout(n) BIT_ADDR(GPIOD_ODR_Addr,n) //输出
  46. #define PDin(n) BIT_ADDR(GPIOD_IDR_Addr,n) //输入
  47. #define PEout(n) BIT_ADDR(GPIOE_ODR_Addr,n) //输出
  48. #define PEin(n) BIT_ADDR(GPIOE_IDR_Addr,n) //输入
  49. #define PFout(n) BIT_ADDR(GPIOF_ODR_Addr,n) //输出
  50. #define PFin(n) BIT_ADDR(GPIOF_IDR_Addr,n) //输入
  51. #define PGout(n) BIT_ADDR(GPIOG_ODR_Addr,n) //输出
  52. #define PGin(n) BIT_ADDR(GPIOG_IDR_Addr,n) //输入
  53. #define PHout(n) BIT_ADDR(GPIOH_ODR_Addr,n) //输出
  54. #define PHin(n) BIT_ADDR(GPIOH_IDR_Addr,n) //输入
  55. #define PIout(n) BIT_ADDR(GPIOI_ODR_Addr,n) //输出
  56. #define PIin(n) BIT_ADDR(GPIOI_IDR_Addr,n) //输入
  57. //以下为汇编函数
  58. void WFI_SET(void); //执行WFI指令
  59. void INTX_DISABLE(void);//关闭所有中断
  60. void INTX_ENABLE(void); //开启所有中断
  61. void MSR_MSP(u32 addr); //设置堆栈地址
  62. #endif