uart.h 11 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_UART_COMPONENT_
  35. #define _SAME70_UART_COMPONENT_
  36. /* ============================================================================= */
  37. /** SOFTWARE API DEFINITION FOR Universal Asynchronous Receiver Transmitter */
  38. /* ============================================================================= */
  39. /** \addtogroup SAME70_UART Universal Asynchronous Receiver Transmitter */
  40. /*@{*/
  41. #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
  42. /** \brief Uart hardware registers */
  43. typedef struct {
  44. __O uint32_t UART_CR; /**< \brief (Uart Offset: 0x0000) Control Register */
  45. __IO uint32_t UART_MR; /**< \brief (Uart Offset: 0x0004) Mode Register */
  46. __O uint32_t UART_IER; /**< \brief (Uart Offset: 0x0008) Interrupt Enable Register */
  47. __O uint32_t UART_IDR; /**< \brief (Uart Offset: 0x000C) Interrupt Disable Register */
  48. __I uint32_t UART_IMR; /**< \brief (Uart Offset: 0x0010) Interrupt Mask Register */
  49. __I uint32_t UART_SR; /**< \brief (Uart Offset: 0x0014) Status Register */
  50. __I uint32_t UART_RHR; /**< \brief (Uart Offset: 0x0018) Receive Holding Register */
  51. __O uint32_t UART_THR; /**< \brief (Uart Offset: 0x001C) Transmit Holding Register */
  52. __IO uint32_t UART_BRGR; /**< \brief (Uart Offset: 0x0020) Baud Rate Generator Register */
  53. __IO uint32_t UART_CMPR; /**< \brief (Uart Offset: 0x0024) Comparison Register */
  54. __I uint32_t Reserved1[47];
  55. __IO uint32_t UART_WPMR; /**< \brief (Uart Offset: 0x00E4) Write Protection Mode Register */
  56. __I uint32_t Reserved2[5];
  57. __I uint32_t UART_VERSION; /**< \brief (Uart Offset: 0x00FC) Version Register */
  58. } Uart;
  59. #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
  60. /* -------- UART_CR : (UART Offset: 0x0000) Control Register -------- */
  61. #define UART_CR_RSTRX (0x1u << 2) /**< \brief (UART_CR) Reset Receiver */
  62. #define UART_CR_RSTTX (0x1u << 3) /**< \brief (UART_CR) Reset Transmitter */
  63. #define UART_CR_RXEN (0x1u << 4) /**< \brief (UART_CR) Receiver Enable */
  64. #define UART_CR_RXDIS (0x1u << 5) /**< \brief (UART_CR) Receiver Disable */
  65. #define UART_CR_TXEN (0x1u << 6) /**< \brief (UART_CR) Transmitter Enable */
  66. #define UART_CR_TXDIS (0x1u << 7) /**< \brief (UART_CR) Transmitter Disable */
  67. #define UART_CR_RSTSTA (0x1u << 8) /**< \brief (UART_CR) Reset Status */
  68. #define UART_CR_REQCLR (0x1u << 12) /**< \brief (UART_CR) Request Clear */
  69. #define UART_CR_DBGE (0x1u << 15) /**< \brief (UART_CR) Debug Enable */
  70. /* -------- UART_MR : (UART Offset: 0x0004) Mode Register -------- */
  71. #define UART_MR_FILTER (0x1u << 4) /**< \brief (UART_MR) Receiver Digital Filter */
  72. #define UART_MR_FILTER_DISABLED (0x0u << 4) /**< \brief (UART_MR) UART does not filter the receive line. */
  73. #define UART_MR_FILTER_ENABLED (0x1u << 4) /**< \brief (UART_MR) UART filters the receive line using a three-sample filter (16x-bit clock) (2 over 3 majority). */
  74. #define UART_MR_PAR_Pos 9
  75. #define UART_MR_PAR_Msk (0x7u << UART_MR_PAR_Pos) /**< \brief (UART_MR) Parity Type */
  76. #define UART_MR_PAR(value) ((UART_MR_PAR_Msk & ((value) << UART_MR_PAR_Pos)))
  77. #define UART_MR_PAR_EVEN (0x0u << 9) /**< \brief (UART_MR) Even Parity */
  78. #define UART_MR_PAR_ODD (0x1u << 9) /**< \brief (UART_MR) Odd Parity */
  79. #define UART_MR_PAR_SPACE (0x2u << 9) /**< \brief (UART_MR) Space: parity forced to 0 */
  80. #define UART_MR_PAR_MARK (0x3u << 9) /**< \brief (UART_MR) Mark: parity forced to 1 */
  81. #define UART_MR_PAR_NO (0x4u << 9) /**< \brief (UART_MR) No parity */
  82. #define UART_MR_BRSRCCK (0x1u << 12) /**< \brief (UART_MR) Baud Rate Source Clock */
  83. #define UART_MR_BRSRCCK_PERIPH_CLK (0x0u << 12) /**< \brief (UART_MR) The baud rate is driven by the peripheral clock */
  84. #define UART_MR_BRSRCCK_PMC_PCK (0x1u << 12) /**< \brief (UART_MR) The baud rate is driven by a PMC programmable clock PCK (see section Power Management Controller (PMC)). */
  85. #define UART_MR_CHMODE_Pos 14
  86. #define UART_MR_CHMODE_Msk (0x3u << UART_MR_CHMODE_Pos) /**< \brief (UART_MR) Channel Mode */
  87. #define UART_MR_CHMODE(value) ((UART_MR_CHMODE_Msk & ((value) << UART_MR_CHMODE_Pos)))
  88. #define UART_MR_CHMODE_NORMAL (0x0u << 14) /**< \brief (UART_MR) Normal mode */
  89. #define UART_MR_CHMODE_AUTOMATIC (0x1u << 14) /**< \brief (UART_MR) Automatic echo */
  90. #define UART_MR_CHMODE_LOCAL_LOOPBACK (0x2u << 14) /**< \brief (UART_MR) Local loopback */
  91. #define UART_MR_CHMODE_REMOTE_LOOPBACK (0x3u << 14) /**< \brief (UART_MR) Remote loopback */
  92. /* -------- UART_IER : (UART Offset: 0x0008) Interrupt Enable Register -------- */
  93. #define UART_IER_RXRDY (0x1u << 0) /**< \brief (UART_IER) Enable RXRDY Interrupt */
  94. #define UART_IER_TXRDY (0x1u << 1) /**< \brief (UART_IER) Enable TXRDY Interrupt */
  95. #define UART_IER_OVRE (0x1u << 5) /**< \brief (UART_IER) Enable Overrun Error Interrupt */
  96. #define UART_IER_FRAME (0x1u << 6) /**< \brief (UART_IER) Enable Framing Error Interrupt */
  97. #define UART_IER_PARE (0x1u << 7) /**< \brief (UART_IER) Enable Parity Error Interrupt */
  98. #define UART_IER_TXEMPTY (0x1u << 9) /**< \brief (UART_IER) Enable TXEMPTY Interrupt */
  99. #define UART_IER_CMP (0x1u << 15) /**< \brief (UART_IER) Enable Comparison Interrupt */
  100. /* -------- UART_IDR : (UART Offset: 0x000C) Interrupt Disable Register -------- */
  101. #define UART_IDR_RXRDY (0x1u << 0) /**< \brief (UART_IDR) Disable RXRDY Interrupt */
  102. #define UART_IDR_TXRDY (0x1u << 1) /**< \brief (UART_IDR) Disable TXRDY Interrupt */
  103. #define UART_IDR_OVRE (0x1u << 5) /**< \brief (UART_IDR) Disable Overrun Error Interrupt */
  104. #define UART_IDR_FRAME (0x1u << 6) /**< \brief (UART_IDR) Disable Framing Error Interrupt */
  105. #define UART_IDR_PARE (0x1u << 7) /**< \brief (UART_IDR) Disable Parity Error Interrupt */
  106. #define UART_IDR_TXEMPTY (0x1u << 9) /**< \brief (UART_IDR) Disable TXEMPTY Interrupt */
  107. #define UART_IDR_CMP (0x1u << 15) /**< \brief (UART_IDR) Disable Comparison Interrupt */
  108. /* -------- UART_IMR : (UART Offset: 0x0010) Interrupt Mask Register -------- */
  109. #define UART_IMR_RXRDY (0x1u << 0) /**< \brief (UART_IMR) Mask RXRDY Interrupt */
  110. #define UART_IMR_TXRDY (0x1u << 1) /**< \brief (UART_IMR) Disable TXRDY Interrupt */
  111. #define UART_IMR_OVRE (0x1u << 5) /**< \brief (UART_IMR) Mask Overrun Error Interrupt */
  112. #define UART_IMR_FRAME (0x1u << 6) /**< \brief (UART_IMR) Mask Framing Error Interrupt */
  113. #define UART_IMR_PARE (0x1u << 7) /**< \brief (UART_IMR) Mask Parity Error Interrupt */
  114. #define UART_IMR_TXEMPTY (0x1u << 9) /**< \brief (UART_IMR) Mask TXEMPTY Interrupt */
  115. #define UART_IMR_CMP (0x1u << 15) /**< \brief (UART_IMR) Mask Comparison Interrupt */
  116. /* -------- UART_SR : (UART Offset: 0x0014) Status Register -------- */
  117. #define UART_SR_RXRDY (0x1u << 0) /**< \brief (UART_SR) Receiver Ready */
  118. #define UART_SR_TXRDY (0x1u << 1) /**< \brief (UART_SR) Transmitter Ready */
  119. #define UART_SR_OVRE (0x1u << 5) /**< \brief (UART_SR) Overrun Error */
  120. #define UART_SR_FRAME (0x1u << 6) /**< \brief (UART_SR) Framing Error */
  121. #define UART_SR_PARE (0x1u << 7) /**< \brief (UART_SR) Parity Error */
  122. #define UART_SR_TXEMPTY (0x1u << 9) /**< \brief (UART_SR) Transmitter Empty */
  123. #define UART_SR_CMP (0x1u << 15) /**< \brief (UART_SR) Comparison Match */
  124. #define UART_SR_SWES (0x1u << 21) /**< \brief (UART_SR) SleepWalking Enable Status */
  125. #define UART_SR_CLKREQ (0x1u << 22) /**< \brief (UART_SR) Clock Request */
  126. #define UART_SR_WKUPREQ (0x1u << 23) /**< \brief (UART_SR) Wake-Up Request */
  127. /* -------- UART_RHR : (UART Offset: 0x0018) Receive Holding Register -------- */
  128. #define UART_RHR_RXCHR_Pos 0
  129. #define UART_RHR_RXCHR_Msk (0xffu << UART_RHR_RXCHR_Pos) /**< \brief (UART_RHR) Received Character */
  130. /* -------- UART_THR : (UART Offset: 0x001C) Transmit Holding Register -------- */
  131. #define UART_THR_TXCHR_Pos 0
  132. #define UART_THR_TXCHR_Msk (0xffu << UART_THR_TXCHR_Pos) /**< \brief (UART_THR) Character to be Transmitted */
  133. #define UART_THR_TXCHR(value) ((UART_THR_TXCHR_Msk & ((value) << UART_THR_TXCHR_Pos)))
  134. /* -------- UART_BRGR : (UART Offset: 0x0020) Baud Rate Generator Register -------- */
  135. #define UART_BRGR_CD_Pos 0
  136. #define UART_BRGR_CD_Msk (0xffffu << UART_BRGR_CD_Pos) /**< \brief (UART_BRGR) Clock Divisor */
  137. #define UART_BRGR_CD(value) ((UART_BRGR_CD_Msk & ((value) << UART_BRGR_CD_Pos)))
  138. /* -------- UART_CMPR : (UART Offset: 0x0024) Comparison Register -------- */
  139. #define UART_CMPR_VAL1_Pos 0
  140. #define UART_CMPR_VAL1_Msk (0xffu << UART_CMPR_VAL1_Pos) /**< \brief (UART_CMPR) First Comparison Value for Received Character */
  141. #define UART_CMPR_VAL1(value) ((UART_CMPR_VAL1_Msk & ((value) << UART_CMPR_VAL1_Pos)))
  142. #define UART_CMPR_CMPMODE (0x1u << 12) /**< \brief (UART_CMPR) Comparison Mode */
  143. #define UART_CMPR_CMPMODE_FLAG_ONLY (0x0u << 12) /**< \brief (UART_CMPR) Any character is received and comparison function drives CMP flag. */
  144. #define UART_CMPR_CMPMODE_START_CONDITION (0x1u << 12) /**< \brief (UART_CMPR) Comparison condition must be met to start reception. */
  145. #define UART_CMPR_CMPPAR (0x1u << 14) /**< \brief (UART_CMPR) Compare Parity */
  146. #define UART_CMPR_VAL2_Pos 16
  147. #define UART_CMPR_VAL2_Msk (0xffu << UART_CMPR_VAL2_Pos) /**< \brief (UART_CMPR) Second Comparison Value for Received Character */
  148. #define UART_CMPR_VAL2(value) ((UART_CMPR_VAL2_Msk & ((value) << UART_CMPR_VAL2_Pos)))
  149. /* -------- UART_WPMR : (UART Offset: 0x00E4) Write Protection Mode Register -------- */
  150. #define UART_WPMR_WPEN (0x1u << 0) /**< \brief (UART_WPMR) Write Protection Enable */
  151. #define UART_WPMR_WPKEY_Pos 8
  152. #define UART_WPMR_WPKEY_Msk (0xffffffu << UART_WPMR_WPKEY_Pos) /**< \brief (UART_WPMR) Write Protection Key */
  153. #define UART_WPMR_WPKEY(value) ((UART_WPMR_WPKEY_Msk & ((value) << UART_WPMR_WPKEY_Pos)))
  154. #define UART_WPMR_WPKEY_PASSWD (0x554152u << 8) /**< \brief (UART_WPMR) Writing any other value in this field aborts the write operation.Always reads as 0. */
  155. /* -------- UART_VERSION : (UART Offset: 0x00FC) Version Register -------- */
  156. #define UART_VERSION_VERSION_Pos 0
  157. #define UART_VERSION_VERSION_Msk (0xfffu << UART_VERSION_VERSION_Pos) /**< \brief (UART_VERSION) Hardware Module Version */
  158. #define UART_VERSION_MFN_Pos 16
  159. #define UART_VERSION_MFN_Msk (0x7u << UART_VERSION_MFN_Pos) /**< \brief (UART_VERSION) Metal Fix Number */
  160. /*@}*/
  161. #endif /* _SAME70_UART_COMPONENT_ */