dmac.h 7.3 KB

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  1. /**
  2. * \file
  3. *
  4. * \brief Instance description for DMAC
  5. *
  6. * Copyright (c) 2014-2015 Atmel Corporation. All rights reserved.
  7. *
  8. * \asf_license_start
  9. *
  10. * \page License
  11. *
  12. * Redistribution and use in source and binary forms, with or without
  13. * modification, are permitted provided that the following conditions are met:
  14. *
  15. * 1. Redistributions of source code must retain the above copyright notice,
  16. * this list of conditions and the following disclaimer.
  17. *
  18. * 2. Redistributions in binary form must reproduce the above copyright notice,
  19. * this list of conditions and the following disclaimer in the documentation
  20. * and/or other materials provided with the distribution.
  21. *
  22. * 3. The name of Atmel may not be used to endorse or promote products derived
  23. * from this software without specific prior written permission.
  24. *
  25. * 4. This software may only be redistributed and used in connection with an
  26. * Atmel microcontroller product.
  27. *
  28. * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
  29. * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  30. * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
  31. * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
  32. * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  33. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  34. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  35. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  36. * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  37. * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  38. * POSSIBILITY OF SUCH DAMAGE.
  39. *
  40. * \asf_license_stop
  41. *
  42. */
  43. /*
  44. * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
  45. */
  46. #ifndef _SAMD21_DMAC_INSTANCE_
  47. #define _SAMD21_DMAC_INSTANCE_
  48. /* ========== Register definition for DMAC peripheral ========== */
  49. #if (defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
  50. #define REG_DMAC_CTRL (0x41004800U) /**< \brief (DMAC) Control */
  51. #define REG_DMAC_CRCCTRL (0x41004802U) /**< \brief (DMAC) CRC Control */
  52. #define REG_DMAC_CRCDATAIN (0x41004804U) /**< \brief (DMAC) CRC Data Input */
  53. #define REG_DMAC_CRCCHKSUM (0x41004808U) /**< \brief (DMAC) CRC Checksum */
  54. #define REG_DMAC_CRCSTATUS (0x4100480CU) /**< \brief (DMAC) CRC Status */
  55. #define REG_DMAC_DBGCTRL (0x4100480DU) /**< \brief (DMAC) Debug Control */
  56. #define REG_DMAC_QOSCTRL (0x4100480EU) /**< \brief (DMAC) QOS Control */
  57. #define REG_DMAC_SWTRIGCTRL (0x41004810U) /**< \brief (DMAC) Software Trigger Control */
  58. #define REG_DMAC_PRICTRL0 (0x41004814U) /**< \brief (DMAC) Priority Control 0 */
  59. #define REG_DMAC_INTPEND (0x41004820U) /**< \brief (DMAC) Interrupt Pending */
  60. #define REG_DMAC_INTSTATUS (0x41004824U) /**< \brief (DMAC) Interrupt Status */
  61. #define REG_DMAC_BUSYCH (0x41004828U) /**< \brief (DMAC) Busy Channels */
  62. #define REG_DMAC_PENDCH (0x4100482CU) /**< \brief (DMAC) Pending Channels */
  63. #define REG_DMAC_ACTIVE (0x41004830U) /**< \brief (DMAC) Active Channel and Levels */
  64. #define REG_DMAC_BASEADDR (0x41004834U) /**< \brief (DMAC) Descriptor Memory Section Base Address */
  65. #define REG_DMAC_WRBADDR (0x41004838U) /**< \brief (DMAC) Write-Back Memory Section Base Address */
  66. #define REG_DMAC_CHID (0x4100483FU) /**< \brief (DMAC) Channel ID */
  67. #define REG_DMAC_CHCTRLA (0x41004840U) /**< \brief (DMAC) Channel Control A */
  68. #define REG_DMAC_CHCTRLB (0x41004844U) /**< \brief (DMAC) Channel Control B */
  69. #define REG_DMAC_CHINTENCLR (0x4100484CU) /**< \brief (DMAC) Channel Interrupt Enable Clear */
  70. #define REG_DMAC_CHINTENSET (0x4100484DU) /**< \brief (DMAC) Channel Interrupt Enable Set */
  71. #define REG_DMAC_CHINTFLAG (0x4100484EU) /**< \brief (DMAC) Channel Interrupt Flag Status and Clear */
  72. #define REG_DMAC_CHSTATUS (0x4100484FU) /**< \brief (DMAC) Channel Status */
  73. #else
  74. #define REG_DMAC_CTRL (*(RwReg16*)0x41004800U) /**< \brief (DMAC) Control */
  75. #define REG_DMAC_CRCCTRL (*(RwReg16*)0x41004802U) /**< \brief (DMAC) CRC Control */
  76. #define REG_DMAC_CRCDATAIN (*(RwReg *)0x41004804U) /**< \brief (DMAC) CRC Data Input */
  77. #define REG_DMAC_CRCCHKSUM (*(RwReg *)0x41004808U) /**< \brief (DMAC) CRC Checksum */
  78. #define REG_DMAC_CRCSTATUS (*(RwReg8 *)0x4100480CU) /**< \brief (DMAC) CRC Status */
  79. #define REG_DMAC_DBGCTRL (*(RwReg8 *)0x4100480DU) /**< \brief (DMAC) Debug Control */
  80. #define REG_DMAC_QOSCTRL (*(RwReg8 *)0x4100480EU) /**< \brief (DMAC) QOS Control */
  81. #define REG_DMAC_SWTRIGCTRL (*(RwReg *)0x41004810U) /**< \brief (DMAC) Software Trigger Control */
  82. #define REG_DMAC_PRICTRL0 (*(RwReg *)0x41004814U) /**< \brief (DMAC) Priority Control 0 */
  83. #define REG_DMAC_INTPEND (*(RwReg16*)0x41004820U) /**< \brief (DMAC) Interrupt Pending */
  84. #define REG_DMAC_INTSTATUS (*(RoReg *)0x41004824U) /**< \brief (DMAC) Interrupt Status */
  85. #define REG_DMAC_BUSYCH (*(RoReg *)0x41004828U) /**< \brief (DMAC) Busy Channels */
  86. #define REG_DMAC_PENDCH (*(RoReg *)0x4100482CU) /**< \brief (DMAC) Pending Channels */
  87. #define REG_DMAC_ACTIVE (*(RoReg *)0x41004830U) /**< \brief (DMAC) Active Channel and Levels */
  88. #define REG_DMAC_BASEADDR (*(RwReg *)0x41004834U) /**< \brief (DMAC) Descriptor Memory Section Base Address */
  89. #define REG_DMAC_WRBADDR (*(RwReg *)0x41004838U) /**< \brief (DMAC) Write-Back Memory Section Base Address */
  90. #define REG_DMAC_CHID (*(RwReg8 *)0x4100483FU) /**< \brief (DMAC) Channel ID */
  91. #define REG_DMAC_CHCTRLA (*(RwReg8 *)0x41004840U) /**< \brief (DMAC) Channel Control A */
  92. #define REG_DMAC_CHCTRLB (*(RwReg *)0x41004844U) /**< \brief (DMAC) Channel Control B */
  93. #define REG_DMAC_CHINTENCLR (*(RwReg8 *)0x4100484CU) /**< \brief (DMAC) Channel Interrupt Enable Clear */
  94. #define REG_DMAC_CHINTENSET (*(RwReg8 *)0x4100484DU) /**< \brief (DMAC) Channel Interrupt Enable Set */
  95. #define REG_DMAC_CHINTFLAG (*(RwReg8 *)0x4100484EU) /**< \brief (DMAC) Channel Interrupt Flag Status and Clear */
  96. #define REG_DMAC_CHSTATUS (*(RoReg8 *)0x4100484FU) /**< \brief (DMAC) Channel Status */
  97. #endif /* (defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
  98. /* ========== Instance parameters for DMAC peripheral ========== */
  99. #define DMAC_CH_BITS 4 // Number of bits to select channel
  100. #define DMAC_CH_NUM 12 // Number of channels
  101. #define DMAC_CLK_AHB_ID 5 // AHB clock index
  102. #define DMAC_EVIN_NUM 4 // Number of input events
  103. #define DMAC_EVOUT_NUM 4 // Number of output events
  104. #define DMAC_LVL_BITS 2 // Number of bit to select level priority
  105. #define DMAC_LVL_NUM 4 // Enable priority level number
  106. #define DMAC_TRIG_BITS 6 // Number of bits to select trigger source
  107. #define DMAC_TRIG_NUM 45 // Number of peripheral triggers
  108. #endif /* _SAMD21_DMAC_INSTANCE_ */