interrupt.h 4.0 KB

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  1. /******************************************************************************
  2. * Filename: interrupt.h
  3. * Revised: $Date: 2013-01-25 10:58:16 +0100 (Fri, 25 Jan 2013) $
  4. * Revision: $Revision: 9248 $
  5. *
  6. * Description: Prototypes for the NVIC Interrupt Controller Driver.
  7. *
  8. * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
  9. *
  10. *
  11. * Redistribution and use in source and binary forms, with or without
  12. * modification, are permitted provided that the following conditions
  13. * are met:
  14. *
  15. * Redistributions of source code must retain the above copyright
  16. * notice, this list of conditions and the following disclaimer.
  17. *
  18. * Redistributions in binary form must reproduce the above copyright
  19. * notice, this list of conditions and the following disclaimer in the
  20. * documentation and/or other materials provided with the distribution.
  21. *
  22. * Neither the name of Texas Instruments Incorporated nor the names of
  23. * its contributors may be used to endorse or promote products derived
  24. * from this software without specific prior written permission.
  25. *
  26. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  27. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  28. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  29. * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  30. * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  31. * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  32. * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  33. * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  34. * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  35. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  36. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  37. *
  38. ******************************************************************************/
  39. #ifndef __INTERRUPT_H__
  40. #define __INTERRUPT_H__
  41. //*****************************************************************************
  42. //
  43. // If building with a C++ compiler, make all of the definitions in this header
  44. // have a C binding.
  45. //
  46. //*****************************************************************************
  47. #ifdef __cplusplus
  48. extern "C"
  49. {
  50. #endif
  51. #include "hw_types.h"
  52. //*****************************************************************************
  53. //
  54. // Macro to generate an interrupt priority mask based on the number of bits
  55. // of priority supported by the hardware.
  56. //
  57. //*****************************************************************************
  58. #define INT_PRIORITY_MASK ((0xFF << (8 - NUM_PRIORITY_BITS)) & 0xFF)
  59. //*****************************************************************************
  60. //
  61. // Prototypes for the APIs.
  62. //
  63. //*****************************************************************************
  64. extern bool IntMasterEnable(void);
  65. extern bool IntMasterDisable(void);
  66. extern void IntRegister(uint32_t ui32Interrupt, void (*pfnHandler)(void));
  67. extern void IntUnregister(uint32_t ui32Interrupt);
  68. extern void IntPriorityGroupingSet(uint32_t ui32Bits);
  69. extern uint32_t IntPriorityGroupingGet(void);
  70. extern void IntPrioritySet(uint32_t ui32Interrupt,
  71. uint8_t ui8Priority);
  72. extern int32_t IntPriorityGet(uint32_t ui32Interrupt);
  73. extern void IntEnable(uint32_t ui32Interrupt);
  74. extern void IntDisable(uint32_t ui32Interrupt);
  75. extern void IntPendSet(uint32_t ui32Interrupt);
  76. extern void IntPendClear(uint32_t ui32Interrupt);
  77. extern void IntPriorityMaskSet(uint32_t ui32PriorityMask);
  78. extern uint32_t IntPriorityMaskGet(void);
  79. extern void IntAltMapEnable(void);
  80. extern void IntAltMapDisable(void);
  81. extern bool IntAltMapIsEnabled(void);
  82. //*****************************************************************************
  83. //
  84. // Mark the end of the C bindings section for C++ compilers.
  85. //
  86. //*****************************************************************************
  87. #ifdef __cplusplus
  88. }
  89. #endif
  90. #endif // __INTERRUPT_H__