rswdt.h 3.9 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_RSWDT_COMPONENT_
  35. #define _SAME70_RSWDT_COMPONENT_
  36. /* ============================================================================= */
  37. /** SOFTWARE API DEFINITION FOR Reinforced Safety Watchdog Timer */
  38. /* ============================================================================= */
  39. /** \addtogroup SAME70_RSWDT Reinforced Safety Watchdog Timer */
  40. /*@{*/
  41. #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
  42. /** \brief Rswdt hardware registers */
  43. typedef struct {
  44. __O uint32_t RSWDT_CR; /**< \brief (Rswdt Offset: 0x00) Control Register */
  45. __IO uint32_t RSWDT_MR; /**< \brief (Rswdt Offset: 0x04) Mode Register */
  46. __I uint32_t RSWDT_SR; /**< \brief (Rswdt Offset: 0x08) Status Register */
  47. } Rswdt;
  48. #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
  49. /* -------- RSWDT_CR : (RSWDT Offset: 0x00) Control Register -------- */
  50. #define RSWDT_CR_WDRSTT (0x1u << 0) /**< \brief (RSWDT_CR) Watchdog Restart */
  51. #define RSWDT_CR_KEY_Pos 24
  52. #define RSWDT_CR_KEY_Msk (0xffu << RSWDT_CR_KEY_Pos) /**< \brief (RSWDT_CR) Password */
  53. #define RSWDT_CR_KEY(value) ((RSWDT_CR_KEY_Msk & ((value) << RSWDT_CR_KEY_Pos)))
  54. #define RSWDT_CR_KEY_PASSWD (0xC4u << 24) /**< \brief (RSWDT_CR) Writing any other value in this field aborts the write operation. */
  55. /* -------- RSWDT_MR : (RSWDT Offset: 0x04) Mode Register -------- */
  56. #define RSWDT_MR_WDV_Pos 0
  57. #define RSWDT_MR_WDV_Msk (0xfffu << RSWDT_MR_WDV_Pos) /**< \brief (RSWDT_MR) Watchdog Counter Value */
  58. #define RSWDT_MR_WDV(value) ((RSWDT_MR_WDV_Msk & ((value) << RSWDT_MR_WDV_Pos)))
  59. #define RSWDT_MR_WDFIEN (0x1u << 12) /**< \brief (RSWDT_MR) Watchdog Fault Interrupt Enable */
  60. #define RSWDT_MR_WDRSTEN (0x1u << 13) /**< \brief (RSWDT_MR) Watchdog Reset Enable */
  61. #define RSWDT_MR_WDRPROC (0x1u << 14) /**< \brief (RSWDT_MR) Watchdog Reset Processor */
  62. #define RSWDT_MR_WDDIS (0x1u << 15) /**< \brief (RSWDT_MR) Watchdog Disable */
  63. #define RSWDT_MR_ALLONES_Pos 16
  64. #define RSWDT_MR_ALLONES_Msk (0xfffu << RSWDT_MR_ALLONES_Pos) /**< \brief (RSWDT_MR) Must Always Be Written with 0xFFF */
  65. #define RSWDT_MR_ALLONES(value) ((RSWDT_MR_ALLONES_Msk & ((value) << RSWDT_MR_ALLONES_Pos)))
  66. #define RSWDT_MR_WDDBGHLT (0x1u << 28) /**< \brief (RSWDT_MR) Watchdog Debug Halt */
  67. #define RSWDT_MR_WDIDLEHLT (0x1u << 29) /**< \brief (RSWDT_MR) Watchdog Idle Halt */
  68. /* -------- RSWDT_SR : (RSWDT Offset: 0x08) Status Register -------- */
  69. #define RSWDT_SR_WDUNF (0x1u << 0) /**< \brief (RSWDT_SR) Watchdog Underflow */
  70. /*@}*/
  71. #endif /* _SAME70_RSWDT_COMPONENT_ */