标题: stm32按键实现led8位流水灯程序 [打印本页]
作者: KevinDayUp    时间: 2020-3-30 18:26
标题: stm32按键实现led8位流水灯程序
  1. #include "stm32f10x.h"
  2. #include "bsp_led.h"
  3. #include "bsp_key.h"

  5. void Delay(__IO uint32_t nCount);
  6. int main(void)
  7. {
  8. LED_GPIO_Config();
  9. Key_Config();
  10. while(1)
  11. {
  12.      if(GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_0) == KEY_ON)
  13. {
  14.       LED1(ON);
  15. Delay(0x0FFFFF);
  16. LED1(OFF);
  17.           LED2(ON);
  18. Delay(0x0FFFFF);
  19. LED2(OFF);
  20.           LED3(ON);
  21. Delay(0x0FFFFF);
  22. LED3(OFF);
  23. LED4(ON);
  24. Delay(0x0FFFFF);
  25. LED4(OFF);
  26. LED5(ON);
  27. Delay(0x0FFFFF);
  28. LED5(OFF);
  29. LED6(ON);
  30. Delay(0x0FFFFF);
  31. LED6(OFF);
  32. LED7(ON);
  33. Delay(0x0FFFFF);
  34. LED7(OFF);
  35. LED8(ON);
  36. Delay(0x0FFFFF);
  37. LED8(OFF);
  38.      }
  39.      else
  40.      {
  41. LED1(OFF);
  42. LED2(OFF);
  43. LED3(OFF);
  44. LED4(OFF);
  45. LED5(OFF);
  46. LED6(OFF);
  47. LED7(OFF);
  48. LED8(OFF);
  49. }
  50. }
  51. }
  52. void Delay(__IO uint32_t nCount)
  53. {
  54. for(; nCount !=0; nCount--);
  55. }
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