sys_util.c 378 B

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  1. /*
  2. * sys_util.c
  3. *
  4. * Created on: 2025Äê7ÔÂ30ÈÕ
  5. * Author: wulianwei
  6. */
  7. void delay_ms(unsigned int ms)
  8. {
  9. unsigned int i, j;
  10. for (j = 0; j < ms; j++)
  11. {
  12. for (i = 0; i < 45600; i++)
  13. ;
  14. }
  15. }
  16. void delay_us(unsigned int us)
  17. {
  18. unsigned int i, j;
  19. for (j = 0; j < us; j++)
  20. {
  21. for (i = 0; i < 45; i++)
  22. ;
  23. }
  24. }