rtt.h 3.7 KB

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  1. /**
  2. * \file
  3. *
  4. * Copyright (c) 2015-2018 Microchip Technology Inc. and its subsidiaries.
  5. *
  6. * \asf_license_start
  7. *
  8. * \page License
  9. *
  10. * Subject to your compliance with these terms, you may use Microchip
  11. * software and any derivatives exclusively with Microchip products.
  12. * It is your responsibility to comply with third party license terms applicable
  13. * to your use of third party software (including open source software) that
  14. * may accompany Microchip software.
  15. *
  16. * THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES,
  17. * WHETHER EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE,
  18. * INCLUDING ANY IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY,
  19. * AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT WILL MICROCHIP BE
  20. * LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE, INCIDENTAL OR CONSEQUENTIAL
  21. * LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND WHATSOEVER RELATED TO THE
  22. * SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS BEEN ADVISED OF THE
  23. * POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO THE FULLEST EXTENT
  24. * ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS IN ANY WAY
  25. * RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY,
  26. * THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS SOFTWARE.
  27. *
  28. * \asf_license_stop
  29. *
  30. */
  31. /*
  32. * Support and FAQ: visit <a href="https://www.microchip.com/support/">Microchip Support</a>
  33. */
  34. #ifndef _SAME70_RTT_COMPONENT_
  35. #define _SAME70_RTT_COMPONENT_
  36. /* ============================================================================= */
  37. /** SOFTWARE API DEFINITION FOR Real-time Timer */
  38. /* ============================================================================= */
  39. /** \addtogroup SAME70_RTT Real-time Timer */
  40. /*@{*/
  41. #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
  42. /** \brief Rtt hardware registers */
  43. typedef struct {
  44. __IO uint32_t RTT_MR; /**< \brief (Rtt Offset: 0x00) Mode Register */
  45. __IO uint32_t RTT_AR; /**< \brief (Rtt Offset: 0x04) Alarm Register */
  46. __I uint32_t RTT_VR; /**< \brief (Rtt Offset: 0x08) Value Register */
  47. __I uint32_t RTT_SR; /**< \brief (Rtt Offset: 0x0C) Status Register */
  48. } Rtt;
  49. #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
  50. /* -------- RTT_MR : (RTT Offset: 0x00) Mode Register -------- */
  51. #define RTT_MR_RTPRES_Pos 0
  52. #define RTT_MR_RTPRES_Msk (0xffffu << RTT_MR_RTPRES_Pos) /**< \brief (RTT_MR) Real-time Timer Prescaler Value */
  53. #define RTT_MR_RTPRES(value) ((RTT_MR_RTPRES_Msk & ((value) << RTT_MR_RTPRES_Pos)))
  54. #define RTT_MR_ALMIEN (0x1u << 16) /**< \brief (RTT_MR) Alarm Interrupt Enable */
  55. #define RTT_MR_RTTINCIEN (0x1u << 17) /**< \brief (RTT_MR) Real-time Timer Increment Interrupt Enable */
  56. #define RTT_MR_RTTRST (0x1u << 18) /**< \brief (RTT_MR) Real-time Timer Restart */
  57. #define RTT_MR_RTTDIS (0x1u << 20) /**< \brief (RTT_MR) Real-time Timer Disable */
  58. #define RTT_MR_RTC1HZ (0x1u << 24) /**< \brief (RTT_MR) Real-Time Clock 1Hz Clock Selection */
  59. /* -------- RTT_AR : (RTT Offset: 0x04) Alarm Register -------- */
  60. #define RTT_AR_ALMV_Pos 0
  61. #define RTT_AR_ALMV_Msk (0xffffffffu << RTT_AR_ALMV_Pos) /**< \brief (RTT_AR) Alarm Value */
  62. #define RTT_AR_ALMV(value) ((RTT_AR_ALMV_Msk & ((value) << RTT_AR_ALMV_Pos)))
  63. /* -------- RTT_VR : (RTT Offset: 0x08) Value Register -------- */
  64. #define RTT_VR_CRTV_Pos 0
  65. #define RTT_VR_CRTV_Msk (0xffffffffu << RTT_VR_CRTV_Pos) /**< \brief (RTT_VR) Current Real-time Value */
  66. /* -------- RTT_SR : (RTT Offset: 0x0C) Status Register -------- */
  67. #define RTT_SR_ALMS (0x1u << 0) /**< \brief (RTT_SR) Real-time Alarm Status (cleared on read) */
  68. #define RTT_SR_RTTINC (0x1u << 1) /**< \brief (RTT_SR) Prescaler Roll-over Status (cleared on read) */
  69. /*@}*/
  70. #endif /* _SAME70_RTT_COMPONENT_ */