interrupt.h 3.9 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394
  1. //*****************************************************************************
  2. //
  3. // interrupt.h - Prototypes for the NVIC Interrupt Controller Driver.
  4. //
  5. // Copyright (c) 2005-2014 Texas Instruments Incorporated. All rights reserved.
  6. // Software License Agreement
  7. //
  8. // Redistribution and use in source and binary forms, with or without
  9. // modification, are permitted provided that the following conditions
  10. // are met:
  11. //
  12. // Redistributions of source code must retain the above copyright
  13. // notice, this list of conditions and the following disclaimer.
  14. //
  15. // Redistributions in binary form must reproduce the above copyright
  16. // notice, this list of conditions and the following disclaimer in the
  17. // documentation and/or other materials provided with the
  18. // distribution.
  19. //
  20. // Neither the name of Texas Instruments Incorporated nor the names of
  21. // its contributors may be used to endorse or promote products derived
  22. // from this software without specific prior written permission.
  23. //
  24. // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  25. // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  26. // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  27. // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  28. // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  29. // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  30. // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  31. // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  32. // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  33. // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  34. // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  35. //
  36. // This is part of revision 2.1.0.12573 of the Tiva Peripheral Driver Library.
  37. //
  38. //*****************************************************************************
  39. #ifndef __DRIVERLIB_INTERRUPT_H__
  40. #define __DRIVERLIB_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. //*****************************************************************************
  52. //
  53. // Macro to generate an interrupt priority mask based on the number of bits
  54. // of priority supported by the hardware.
  55. //
  56. //*****************************************************************************
  57. #define INT_PRIORITY_MASK ((0xFF << (8 - NUM_PRIORITY_BITS)) & 0xFF)
  58. //*****************************************************************************
  59. //
  60. // Prototypes for the APIs.
  61. //
  62. //*****************************************************************************
  63. extern bool IntMasterEnable(void);
  64. extern bool IntMasterDisable(void);
  65. extern void IntRegister(uint32_t ui32Interrupt, void (*pfnHandler)(void));
  66. extern void IntUnregister(uint32_t ui32Interrupt);
  67. extern void IntPriorityGroupingSet(uint32_t ui32Bits);
  68. extern uint32_t IntPriorityGroupingGet(void);
  69. extern void IntPrioritySet(uint32_t ui32Interrupt,
  70. uint8_t ui8Priority);
  71. extern int32_t IntPriorityGet(uint32_t ui32Interrupt);
  72. extern void IntEnable(uint32_t ui32Interrupt);
  73. extern void IntDisable(uint32_t ui32Interrupt);
  74. extern uint32_t IntIsEnabled(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 IntTrigger(uint32_t ui32Interrupt);
  80. //*****************************************************************************
  81. //
  82. // Mark the end of the C bindings section for C++ compilers.
  83. //
  84. //*****************************************************************************
  85. #ifdef __cplusplus
  86. }
  87. #endif
  88. #endif // __DRIVERLIB_INTERRUPT_H__