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systick.h 3.1 KB

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  1. //*****************************************************************************
  2. //
  3. // systick.h - Prototypes for the SysTick driver.
  4. //
  5. // Copyright (c) 2005-2020 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 2.2.0.295 of the Tiva Peripheral Driver Library.
  37. //
  38. //*****************************************************************************
  39. #ifndef __DRIVERLIB_SYSTICK_H__
  40. #define __DRIVERLIB_SYSTICK_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. // Prototypes for the APIs.
  54. //
  55. //*****************************************************************************
  56. extern void SysTickEnable(void);
  57. extern void SysTickDisable(void);
  58. extern void SysTickIntRegister(void (*pfnHandler)(void));
  59. extern void SysTickIntUnregister(void);
  60. extern void SysTickIntEnable(void);
  61. extern void SysTickIntDisable(void);
  62. extern void SysTickPeriodSet(uint32_t ui32Period);
  63. extern uint32_t SysTickPeriodGet(void);
  64. extern uint32_t SysTickValueGet(void);
  65. //*****************************************************************************
  66. //
  67. // Mark the end of the C bindings section for C++ compilers.
  68. //
  69. //*****************************************************************************
  70. #ifdef __cplusplus
  71. }
  72. #endif
  73. #endif // __DRIVERLIB_SYSTICK_H__