irq.h 923 B

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  1. /*
  2. * Copyright (c) 2006-2021, RT-Thread Development Team
  3. *
  4. * SPDX-License-Identifier: Apache-2.0
  5. *
  6. * Change Logs:
  7. * Date Author Notes
  8. * 2011-01-13 weety first version
  9. */
  10. #ifndef __IRQ_H__
  11. #define __IRQ_H__
  12. #ifdef __cplusplus
  13. extern "C" {
  14. #endif
  15. /*
  16. * IRQ line status.
  17. *
  18. * Bits 0-7 are reserved
  19. *
  20. * IRQ types
  21. */
  22. #define IRQ_TYPE_NONE 0x00000000 /* Default, unspecified type */
  23. #define IRQ_TYPE_EDGE_RISING 0x00000001 /* Edge rising type */
  24. #define IRQ_TYPE_EDGE_FALLING 0x00000002 /* Edge falling type */
  25. #define IRQ_TYPE_EDGE_BOTH (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING)
  26. #define IRQ_TYPE_LEVEL_HIGH 0x00000004 /* Level high type */
  27. #define IRQ_TYPE_LEVEL_LOW 0x00000008 /* Level low type */
  28. #define IRQ_TYPE_SENSE_MASK 0x0000000f /* Mask of the above */
  29. #define IRQ_TYPE_PROBE 0x00000010 /* Probing in progress */
  30. #ifdef __cplusplus
  31. }
  32. #endif
  33. #endif