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gd32303e-eval
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GD32F30x_standard_peripheral
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Include
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gd32f30x_exti.h

gd32f30x_exti.h 16 KB
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  1. /*!
    2. 

  2.     \file  gd32f30x_exti.h
    3. 

  3.     \brief definitions for the EXTI
    4. 

  4. */
    5. 

  5. 

  6. /*
    7. 

  7.     Copyright (C) 2017 GigaDevice
    8. 

  8. 

  9.     2017-02-10, V1.0.0, firmware for GD32F30x
    10. 

  10. */
    11. 

  11. 

  12. #ifndef GD32F30X_EXTI_H
    13. 

  13. #define GD32F30X_EXTI_H
    14. 

  14. 

  15. #include "gd32f30x.h"
    16. 

  16. 

  17. /* EXTI definitions */
    18. 

  18. #define EXTI                         EXTI_BASE
    19. 

  19. 

  20. /* registers definitions */
    21. 

  21. #define EXTI_INTEN                   REG32(EXTI + 0x00U)      /*!< interrupt enable register */
    22. 

  22. #define EXTI_EVEN                    REG32(EXTI + 0x04U)      /*!< event enable register */
    23. 

  23. #define EXTI_RTEN                    REG32(EXTI + 0x08U)      /*!< rising edge trigger enable register */
    24. 

  24. #define EXTI_FTEN                    REG32(EXTI + 0x0CU)      /*!< falling trigger enable register */
    25. 

  25. #define EXTI_SWIEV                   REG32(EXTI + 0x10U)      /*!< software interrupt event register */
    26. 

  26. #define EXTI_PD                      REG32(EXTI + 0x14U)      /*!< pending register */
    27. 

  27. 

  28. /* bits definitions */
    29. 

  29. /* EXTI_INTEN */
    30. 

  30. #define EXTI_INTEN_INTEN0            BIT(0)                   /*!< interrupt from line 0 */
    31. 

  31. #define EXTI_INTEN_INTEN1            BIT(1)                   /*!< interrupt from line 1 */
    32. 

  32. #define EXTI_INTEN_INTEN2            BIT(2)                   /*!< interrupt from line 2 */
    33. 

  33. #define EXTI_INTEN_INTEN3            BIT(3)                   /*!< interrupt from line 3 */
    34. 

  34. #define EXTI_INTEN_INTEN4            BIT(4)                   /*!< interrupt from line 4 */
    35. 

  35. #define EXTI_INTEN_INTEN5            BIT(5)                   /*!< interrupt from line 5 */
    36. 

  36. #define EXTI_INTEN_INTEN6            BIT(6)                   /*!< interrupt from line 6 */
    37. 

  37. #define EXTI_INTEN_INTEN7            BIT(7)                   /*!< interrupt from line 7 */
    38. 

  38. #define EXTI_INTEN_INTEN8            BIT(8)                   /*!< interrupt from line 8 */
    39. 

  39. #define EXTI_INTEN_INTEN9            BIT(9)                   /*!< interrupt from line 9 */
    40. 

  40. #define EXTI_INTEN_INTEN10           BIT(10)                  /*!< interrupt from line 10 */
    41. 

  41. #define EXTI_INTEN_INTEN11           BIT(11)                  /*!< interrupt from line 11 */
    42. 

  42. #define EXTI_INTEN_INTEN12           BIT(12)                  /*!< interrupt from line 12 */
    43. 

  43. #define EXTI_INTEN_INTEN13           BIT(13)                  /*!< interrupt from line 13 */
    44. 

  44. #define EXTI_INTEN_INTEN14           BIT(14)                  /*!< interrupt from line 14 */
    45. 

  45. #define EXTI_INTEN_INTEN15           BIT(15)                  /*!< interrupt from line 15 */
    46. 

  46. #define EXTI_INTEN_INTEN16           BIT(16)                  /*!< interrupt from line 16 */
    47. 

  47. #define EXTI_INTEN_INTEN17           BIT(17)                  /*!< interrupt from line 17 */
    48. 

  48. #define EXTI_INTEN_INTEN18           BIT(18)                  /*!< interrupt from line 18 */
    49. 

  49. #define EXTI_INTEN_INTEN19           BIT(19)                  /*!< interrupt from line 19 */
    50. 

  50. 

  51. /* EXTI_EVEN */
    52. 

  52. #define EXTI_EVEN_EVEN0              BIT(0)                   /*!< event from line 0 */
    53. 

  53. #define EXTI_EVEN_EVEN1              BIT(1)                   /*!< event from line 1 */
    54. 

  54. #define EXTI_EVEN_EVEN2              BIT(2)                   /*!< event from line 2 */
    55. 

  55. #define EXTI_EVEN_EVEN3              BIT(3)                   /*!< event from line 3 */
    56. 

  56. #define EXTI_EVEN_EVEN4              BIT(4)                   /*!< event from line 4 */
    57. 

  57. #define EXTI_EVEN_EVEN5              BIT(5)                   /*!< event from line 5 */
    58. 

  58. #define EXTI_EVEN_EVEN6              BIT(6)                   /*!< event from line 6 */
    59. 

  59. #define EXTI_EVEN_EVEN7              BIT(7)                   /*!< event from line 7 */
    60. 

  60. #define EXTI_EVEN_EVEN8              BIT(8)                   /*!< event from line 8 */
    61. 

  61. #define EXTI_EVEN_EVEN9              BIT(9)                   /*!< event from line 9 */
    62. 

  62. #define EXTI_EVEN_EVEN10             BIT(10)                  /*!< event from line 10 */
    63. 

  63. #define EXTI_EVEN_EVEN11             BIT(11)                  /*!< event from line 11 */
    64. 

  64. #define EXTI_EVEN_EVEN12             BIT(12)                  /*!< event from line 12 */
    65. 

  65. #define EXTI_EVEN_EVEN13             BIT(13)                  /*!< event from line 13 */
    66. 

  66. #define EXTI_EVEN_EVEN14             BIT(14)                  /*!< event from line 14 */
    67. 

  67. #define EXTI_EVEN_EVEN15             BIT(15)                  /*!< event from line 15 */
    68. 

  68. #define EXTI_EVEN_EVEN16             BIT(16)                  /*!< event from line 16 */
    69. 

  69. #define EXTI_EVEN_EVEN17             BIT(17)                  /*!< event from line 17 */
    70. 

  70. #define EXTI_EVEN_EVEN18             BIT(18)                  /*!< event from line 18 */
    71. 

  71. #define EXTI_EVEN_EVEN19             BIT(19)                  /*!< event from line 19 */
    72. 

  72. 

  73. /* EXTI_RTEN */
    74. 

  74. #define EXTI_RTEN_RTEN0              BIT(0)                   /*!< rising edge from line 0 */
    75. 

  75. #define EXTI_RTEN_RTEN1              BIT(1)                   /*!< rising edge from line 1 */
    76. 

  76. #define EXTI_RTEN_RTEN2              BIT(2)                   /*!< rising edge from line 2 */
    77. 

  77. #define EXTI_RTEN_RTEN3              BIT(3)                   /*!< rising edge from line 3 */
    78. 

  78. #define EXTI_RTEN_RTEN4              BIT(4)                   /*!< rising edge from line 4 */
    79. 

  79. #define EXTI_RTEN_RTEN5              BIT(5)                   /*!< rising edge from line 5 */
    80. 

  80. #define EXTI_RTEN_RTEN6              BIT(6)                   /*!< rising edge from line 6 */
    81. 

  81. #define EXTI_RTEN_RTEN7              BIT(7)                   /*!< rising edge from line 7 */
    82. 

  82. #define EXTI_RTEN_RTEN8              BIT(8)                   /*!< rising edge from line 8 */
    83. 

  83. #define EXTI_RTEN_RTEN9              BIT(9)                   /*!< rising edge from line 9 */
    84. 

  84. #define EXTI_RTEN_RTEN10             BIT(10)                  /*!< rising edge from line 10 */
    85. 

  85. #define EXTI_RTEN_RTEN11             BIT(11)                  /*!< rising edge from line 11 */
    86. 

  86. #define EXTI_RTEN_RTEN12             BIT(12)                  /*!< rising edge from line 12 */
    87. 

  87. #define EXTI_RTEN_RTEN13             BIT(13)                  /*!< rising edge from line 13 */
    88. 

  88. #define EXTI_RTEN_RTEN14             BIT(14)                  /*!< rising edge from line 14 */
    89. 

  89. #define EXTI_RTEN_RTEN15             BIT(15)                  /*!< rising edge from line 15 */
    90. 

  90. #define EXTI_RTEN_RTEN16             BIT(16)                  /*!< rising edge from line 16 */
    91. 

  91. #define EXTI_RTEN_RTEN17             BIT(17)                  /*!< rising edge from line 17 */
    92. 

  92. #define EXTI_RTEN_RTEN18             BIT(18)                  /*!< rising edge from line 18 */
    93. 

  93. #define EXTI_RTEN_RTEN19             BIT(19)                  /*!< rising edge from line 19 */
    94. 

  94. 

  95. /* EXTI_FTEN */
    96. 

  96. #define EXTI_FTEN_FTEN0              BIT(0)                   /*!< falling edge from line 0 */
    97. 

  97. #define EXTI_FTEN_FTEN1              BIT(1)                   /*!< falling edge from line 1 */
    98. 

  98. #define EXTI_FTEN_FTEN2              BIT(2)                   /*!< falling edge from line 2 */
    99. 

  99. #define EXTI_FTEN_FTEN3              BIT(3)                   /*!< falling edge from line 3 */
    100. 

  100. #define EXTI_FTEN_FTEN4              BIT(4)                   /*!< falling edge from line 4 */
    101. 

  101. #define EXTI_FTEN_FTEN5              BIT(5)                   /*!< falling edge from line 5 */
    102. 

  102. #define EXTI_FTEN_FTEN6              BIT(6)                   /*!< falling edge from line 6 */
    103. 

  103. #define EXTI_FTEN_FTEN7              BIT(7)                   /*!< falling edge from line 7 */
    104. 

  104. #define EXTI_FTEN_FTEN8              BIT(8)                   /*!< falling edge from line 8 */
    105. 

  105. #define EXTI_FTEN_FTEN9              BIT(9)                   /*!< falling edge from line 9 */
    106. 

  106. #define EXTI_FTEN_FTEN10             BIT(10)                  /*!< falling edge from line 10 */
    107. 

  107. #define EXTI_FTEN_FTEN11             BIT(11)                  /*!< falling edge from line 11 */
    108. 

  108. #define EXTI_FTEN_FTEN12             BIT(12)                  /*!< falling edge from line 12 */
    109. 

  109. #define EXTI_FTEN_FTEN13             BIT(13)                  /*!< falling edge from line 13 */
    110. 

  110. #define EXTI_FTEN_FTEN14             BIT(14)                  /*!< falling edge from line 14 */
    111. 

  111. #define EXTI_FTEN_FTEN15             BIT(15)                  /*!< falling edge from line 15 */
    112. 

  112. #define EXTI_FTEN_FTEN16             BIT(16)                  /*!< falling edge from line 16 */
    113. 

  113. #define EXTI_FTEN_FTEN17             BIT(17)                  /*!< falling edge from line 17 */
    114. 

  114. #define EXTI_FTEN_FTEN18             BIT(18)                  /*!< falling edge from line 18 */
    115. 

  115. #define EXTI_FTEN_FTEN19             BIT(19)                  /*!< falling edge from line 19 */
    116. 

  116. 

  117. /* EXTI_SWIEV */
    118. 

  118. #define EXTI_SWIEV_SWIEV0            BIT(0)                   /*!< software interrupt/event request from line 0 */
    119. 

  119. #define EXTI_SWIEV_SWIEV1            BIT(1)                   /*!< software interrupt/event request from line 1 */
    120. 

  120. #define EXTI_SWIEV_SWIEV2            BIT(2)                   /*!< software interrupt/event request from line 2 */
    121. 

  121. #define EXTI_SWIEV_SWIEV3            BIT(3)                   /*!< software interrupt/event request from line 3 */
    122. 

  122. #define EXTI_SWIEV_SWIEV4            BIT(4)                   /*!< software interrupt/event request from line 4 */
    123. 

  123. #define EXTI_SWIEV_SWIEV5            BIT(5)                   /*!< software interrupt/event request from line 5 */
    124. 

  124. #define EXTI_SWIEV_SWIEV6            BIT(6)                   /*!< software interrupt/event request from line 6 */
    125. 

  125. #define EXTI_SWIEV_SWIEV7            BIT(7)                   /*!< software interrupt/event request from line 7 */
    126. 

  126. #define EXTI_SWIEV_SWIEV8            BIT(8)                   /*!< software interrupt/event request from line 8 */
    127. 

  127. #define EXTI_SWIEV_SWIEV9            BIT(9)                   /*!< software interrupt/event request from line 9 */
    128. 

  128. #define EXTI_SWIEV_SWIEV10           BIT(10)                  /*!< software interrupt/event request from line 10 */
    129. 

  129. #define EXTI_SWIEV_SWIEV11           BIT(11)                  /*!< software interrupt/event request from line 11 */
    130. 

  130. #define EXTI_SWIEV_SWIEV12           BIT(12)                  /*!< software interrupt/event request from line 12 */
    131. 

  131. #define EXTI_SWIEV_SWIEV13           BIT(13)                  /*!< software interrupt/event request from line 13 */
    132. 

  132. #define EXTI_SWIEV_SWIEV14           BIT(14)                  /*!< software interrupt/event request from line 14 */
    133. 

  133. #define EXTI_SWIEV_SWIEV15           BIT(15)                  /*!< software interrupt/event request from line 15 */
    134. 

  134. #define EXTI_SWIEV_SWIEV16           BIT(16)                  /*!< software interrupt/event request from line 16 */
    135. 

  135. #define EXTI_SWIEV_SWIEV17           BIT(17)                  /*!< software interrupt/event request from line 17 */
    136. 

  136. #define EXTI_SWIEV_SWIEV18           BIT(18)                  /*!< software interrupt/event request from line 18 */
    137. 

  137. #define EXTI_SWIEV_SWIEV19           BIT(19)                  /*!< software interrupt/event request from line 19 */
    138. 

  138. 

  139. /* EXTI_PD */
    140. 

  140. #define EXTI_PD_PD0                  BIT(0)                   /*!< interrupt/event pending status from line 0 */
    141. 

  141. #define EXTI_PD_PD1                  BIT(1)                   /*!< interrupt/event pending status from line 1 */
    142. 

  142. #define EXTI_PD_PD2                  BIT(2)                   /*!< interrupt/event pending status from line 2 */
    143. 

  143. #define EXTI_PD_PD3                  BIT(3)                   /*!< interrupt/event pending status from line 3 */
    144. 

  144. #define EXTI_PD_PD4                  BIT(4)                   /*!< interrupt/event pending status from line 4 */
    145. 

  145. #define EXTI_PD_PD5                  BIT(5)                   /*!< interrupt/event pending status from line 5 */
    146. 

  146. #define EXTI_PD_PD6                  BIT(6)                   /*!< interrupt/event pending status from line 6 */
    147. 

  147. #define EXTI_PD_PD7                  BIT(7)                   /*!< interrupt/event pending status from line 7 */
    148. 

  148. #define EXTI_PD_PD8                  BIT(8)                   /*!< interrupt/event pending status from line 8 */
    149. 

  149. #define EXTI_PD_PD9                  BIT(9)                   /*!< interrupt/event pending status from line 9 */
    150. 

  150. #define EXTI_PD_PD10                 BIT(10)                  /*!< interrupt/event pending status from line 10 */
    151. 

  151. #define EXTI_PD_PD11                 BIT(11)                  /*!< interrupt/event pending status from line 11 */
    152. 

  152. #define EXTI_PD_PD12                 BIT(12)                  /*!< interrupt/event pending status from line 12 */
    153. 

  153. #define EXTI_PD_PD13                 BIT(13)                  /*!< interrupt/event pending status from line 13 */
    154. 

  154. #define EXTI_PD_PD14                 BIT(14)                  /*!< interrupt/event pending status from line 14 */
    155. 

  155. #define EXTI_PD_PD15                 BIT(15)                  /*!< interrupt/event pending status from line 15 */
    156. 

  156. #define EXTI_PD_PD16                 BIT(16)                  /*!< interrupt/event pending status from line 16 */
    157. 

  157. #define EXTI_PD_PD17                 BIT(17)                  /*!< interrupt/event pending status from line 17 */
    158. 

  158. #define EXTI_PD_PD18                 BIT(18)                  /*!< interrupt/event pending status from line 18 */
    159. 

  159. #define EXTI_PD_PD19                 BIT(19)                  /*!< interrupt/event pending status from line 19 */
    160. 

  160. 

  161. /* constants definitions */
    162. 

  162. /* EXTI line number */
    163. 

  163. typedef enum
    164. 

  164. { 
    165. 

  165.     EXTI_0      = BIT(0),                                     /*!< EXTI line 0 */
    166. 

  166.     EXTI_1      = BIT(1),                                     /*!< EXTI line 1 */
    167. 

  167.     EXTI_2      = BIT(2),                                     /*!< EXTI line 2 */
    168. 

  168.     EXTI_3      = BIT(3),                                     /*!< EXTI line 3 */
    169. 

  169.     EXTI_4      = BIT(4),                                     /*!< EXTI line 4 */
    170. 

  170.     EXTI_5      = BIT(5),                                     /*!< EXTI line 5 */
    171. 

  171.     EXTI_6      = BIT(6),                                     /*!< EXTI line 6 */
    172. 

  172.     EXTI_7      = BIT(7),                                     /*!< EXTI line 7 */
    173. 

  173.     EXTI_8      = BIT(8),                                     /*!< EXTI line 8 */
    174. 

  174.     EXTI_9      = BIT(9),                                     /*!< EXTI line 9 */
    175. 

  175.     EXTI_10     = BIT(10),                                    /*!< EXTI line 10 */
    176. 

  176.     EXTI_11     = BIT(11),                                    /*!< EXTI line 11 */
    177. 

  177.     EXTI_12     = BIT(12),                                    /*!< EXTI line 12 */
    178. 

  178.     EXTI_13     = BIT(13),                                    /*!< EXTI line 13 */
    179. 

  179.     EXTI_14     = BIT(14),                                    /*!< EXTI line 14 */
    180. 

  180.     EXTI_15     = BIT(15),                                    /*!< EXTI line 15 */
    181. 

  181.     EXTI_16     = BIT(16),                                    /*!< EXTI line 16 */
    182. 

  182.     EXTI_17     = BIT(17),                                    /*!< EXTI line 17 */
    183. 

  183.     EXTI_18     = BIT(18),                                    /*!< EXTI line 18 */
    184. 

  184.     EXTI_19     = BIT(19),                                    /*!< EXTI line 19 */
    185. 

  185. }exti_line_enum;
    186. 

  186. 

  187. /* external interrupt and event  */
    188. 

  188. typedef enum
    189. 

  189. {
    190. 

  190.     EXTI_INTERRUPT   = 0,                                     /*!< EXTI interrupt mode */
    191. 

  191.     EXTI_EVENT                                                /*!< EXTI event mode */
    192. 

  192. }exti_mode_enum;
    193. 

  193. 

  194. /* interrupt trigger mode */
    195. 

  195. typedef enum
    196. 

  196. { 
    197. 

  197.     EXTI_TRIG_RISING = 0,                                     /*!< EXTI rising edge trigger */
    198. 

  198.     EXTI_TRIG_FALLING,                                        /*!< EXTI falling edge trigger */
    199. 

  199.     EXTI_TRIG_BOTH                                            /*!< EXTI rising and falling edge trigger */
    200. 

  200. }exti_trig_type_enum;
    201. 

  201. 

  202. /* function declarations */
    203. 

  203. /* deinitialize the EXTI */
    204. 

  204. void exti_deinit(void);
    205. 

  205. /* enable the configuration of EXTI initialize */
    206. 

  206. void exti_init(exti_line_enum linex, exti_mode_enum mode, exti_trig_type_enum trig_type);
    207. 

  207. /* enable the interrupts from EXTI line x */
    208. 

  208. void exti_interrupt_enable(exti_line_enum linex);
    209. 

  209. /* enable the events from EXTI line x */
    210. 

  210. void exti_event_enable(exti_line_enum linex);
    211. 

  211. /* disable the interrupts from EXTI line x */
    212. 

  212. void exti_interrupt_disable(exti_line_enum linex);
    213. 

  213. /* disable the events from EXTI line x */
    214. 

  214. void exti_event_disable(exti_line_enum linex);
    215. 

  215. 

  216. /* get EXTI lines pending flag */
    217. 

  217. FlagStatus exti_flag_get(exti_line_enum linex);
    218. 

  218. /* clear EXTI lines pending flag */
    219. 

  219. void exti_flag_clear(exti_line_enum linex);
    220. 

  220. /* get EXTI lines flag when the interrupt flag is set */
    221. 

  221. FlagStatus exti_interrupt_flag_get(exti_line_enum linex);
    222. 

  222. /* clear EXTI lines pending flag */
    223. 

  223. void exti_interrupt_flag_clear(exti_line_enum linex);
    224. 

  224. /* enable the EXTI software interrupt event  */
    225. 

  225. void exti_software_interrupt_enable(exti_line_enum linex);
    226. 

  226. /* disable the EXTI software interrupt event  */
    227. 

  227. void exti_software_interrupt_disable(exti_line_enum linex);
    228. 

  228. 

  229. #endif /* GD32F30X_EXTI_H */
    230.