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GD32F3x0_standard_peripheral
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gd32f3x0_gpio.h

gd32f3x0_gpio.h 26 KB
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  1. /*!
    2. 

  2.     \file  gd32f3x0_gpio.h
    3. 

  3.     \brief definitions for the GPIO
    4. 

  4. */
    5. 

  5. 

  6. /*
    7. 

  7.     Copyright (C) 2017 GigaDevice
    8. 

  8. 

  9.     2017-06-06, V1.0.0, firmware for GD32F3x0
    10. 

  10. */
    11. 

  11. 

  12. #ifndef GD32F3X0_GPIO_H
    13. 

  13. #define GD32F3X0_GPIO_H
    14. 

  14. 

  15. #include "gd32f3x0.h"
    16. 

  16. 

  17. /* GPIOx(x=A,B,C,D,F) definitions */
    18. 

  18. #define GPIOA                      (GPIO_BASE + 0x00000000U)
    19. 

  19. #define GPIOB                      (GPIO_BASE + 0x00000400U)
    20. 

  20. #define GPIOC                      (GPIO_BASE + 0x00000800U)
    21. 

  21. #define GPIOD                      (GPIO_BASE + 0x00000C00U)
    22. 

  22. #define GPIOF                      (GPIO_BASE + 0x00001400U)
    23. 

  23. 

  24. /* registers definitions */
    25. 

  25. #define GPIO_CTL(gpiox)            REG32((gpiox) + 0x00U)    /*!< GPIO port control register */
    26. 

  26. #define GPIO_OMODE(gpiox)          REG32((gpiox) + 0x04U)    /*!< GPIO port output mode register */
    27. 

  27. #define GPIO_OSPD0(gpiox)          REG32((gpiox) + 0x08U)    /*!< GPIO port output speed register 0 */
    28. 

  28. #define GPIO_PUD(gpiox)            REG32((gpiox) + 0x0CU)    /*!< GPIO port pull-up/pull-down register */
    29. 

  29. #define GPIO_ISTAT(gpiox)          REG32((gpiox) + 0x10U)    /*!< GPIO port input status register */
    30. 

  30. #define GPIO_OCTL(gpiox)           REG32((gpiox) + 0x14U)    /*!< GPIO port output control register */
    31. 

  31. #define GPIO_BOP(gpiox)            REG32((gpiox) + 0x18U)    /*!< GPIO port bit operation register */
    32. 

  32. #define GPIO_LOCK(gpiox)           REG32((gpiox) + 0x1CU)    /*!< GPIO port configuration lock register */
    33. 

  33. #define GPIO_AFSEL0(gpiox)         REG32((gpiox) + 0x20U)    /*!< GPIO alternate function selected register 0 */
    34. 

  34. #define GPIO_AFSEL1(gpiox)         REG32((gpiox) + 0x24U)    /*!< GPIO alternate function selected register 1 */
    35. 

  35. #define GPIO_BC(gpiox)             REG32((gpiox) + 0x28U)    /*!< GPIO bit clear register */
    36. 

  36. #define GPIO_TG(gpiox)             REG32((gpiox) + 0x2CU)    /*!< GPIO port bit toggle register */
    37. 

  37. #define GPIO_OSPD1(gpiox)          REG32((gpiox) + 0x3CU)    /*!< GPIO port output speed register 1 */
    38. 

  38. 

  39. /* bits definitions */
    40. 

  40. /* GPIO_CTL */
    41. 

  41. #define GPIO_CTL_CTL0              BITS(0,1)             /*!< pin 0 configuration bits */ 
    42. 

  42. #define GPIO_CTL_CTL1              BITS(2,3)             /*!< pin 1 configuration bits */
    43. 

  43. #define GPIO_CTL_CTL2              BITS(4,5)             /*!< pin 2 configuration bits */
    44. 

  44. #define GPIO_CTL_CTL3              BITS(6,7)             /*!< pin 3 configuration bits */
    45. 

  45. #define GPIO_CTL_CTL4              BITS(8,9)             /*!< pin 4 configuration bits */
    46. 

  46. #define GPIO_CTL_CTL5              BITS(10,11)           /*!< pin 5 configuration bits */
    47. 

  47. #define GPIO_CTL_CTL6              BITS(12,13)           /*!< pin 6 configuration bits */
    48. 

  48. #define GPIO_CTL_CTL7              BITS(14,15)           /*!< pin 7 configuration bits */
    49. 

  49. #define GPIO_CTL_CTL8              BITS(16,17)           /*!< pin 8 configuration bits */
    50. 

  50. #define GPIO_CTL_CTL9              BITS(18,19)           /*!< pin 9 configuration bits */
    51. 

  51. #define GPIO_CTL_CTL10             BITS(20,21)           /*!< pin 10 configuration bits */
    52. 

  52. #define GPIO_CTL_CTL11             BITS(22,23)           /*!< pin 11 configuration bits */
    53. 

  53. #define GPIO_CTL_CTL12             BITS(24,25)           /*!< pin 12 configuration bits */
    54. 

  54. #define GPIO_CTL_CTL13             BITS(26,27)           /*!< pin 13 configuration bits */
    55. 

  55. #define GPIO_CTL_CTL14             BITS(28,29)           /*!< pin 14 configuration bits */
    56. 

  56. #define GPIO_CTL_CTL15             BITS(30,31)           /*!< pin 15 configuration bits */
    57. 

  57. 

  58. /* GPIO_OMODE */
    59. 

  59. #define GPIO_OMODE_OM0             BIT(0)                /*!< pin 0 output mode bit */
    60. 

  60. #define GPIO_OMODE_OM1             BIT(1)                /*!< pin 1 output mode bit */
    61. 

  61. #define GPIO_OMODE_OM2             BIT(2)                /*!< pin 2 output mode bit */
    62. 

  62. #define GPIO_OMODE_OM3             BIT(3)                /*!< pin 3 output mode bit */
    63. 

  63. #define GPIO_OMODE_OM4             BIT(4)                /*!< pin 4 output mode bit */
    64. 

  64. #define GPIO_OMODE_OM5             BIT(5)                /*!< pin 5 output mode bit */
    65. 

  65. #define GPIO_OMODE_OM6             BIT(6)                /*!< pin 6 output mode bit */
    66. 

  66. #define GPIO_OMODE_OM7             BIT(7)                /*!< pin 7 output mode bit */
    67. 

  67. #define GPIO_OMODE_OM8             BIT(8)                /*!< pin 8 output mode bit */
    68. 

  68. #define GPIO_OMODE_OM9             BIT(9)                /*!< pin 9 output mode bit */
    69. 

  69. #define GPIO_OMODE_OM10            BIT(10)               /*!< pin 10 output mode bit */
    70. 

  70. #define GPIO_OMODE_OM11            BIT(11)               /*!< pin 11 output mode bit */
    71. 

  71. #define GPIO_OMODE_OM12            BIT(12)               /*!< pin 12 output mode bit */
    72. 

  72. #define GPIO_OMODE_OM13            BIT(13)               /*!< pin 13 output mode bit */
    73. 

  73. #define GPIO_OMODE_OM14            BIT(14)               /*!< pin 14 output mode bit */
    74. 

  74. #define GPIO_OMODE_OM15            BIT(15)               /*!< pin 15 output mode bit */
    75. 

  75. 

  76. /* GPIO_OSPD0 */
    77. 

  77. #define GPIO_OSPD0_OSPD0           BITS(0,1)             /*!< pin 0 output max speed bits */
    78. 

  78. #define GPIO_OSPD0_OSPD1           BITS(2,3)             /*!< pin 1 output max speed bits */
    79. 

  79. #define GPIO_OSPD0_OSPD2           BITS(4,5)             /*!< pin 2 output max speed bits */
    80. 

  80. #define GPIO_OSPD0_OSPD3           BITS(6,7)             /*!< pin 3 output max speed bits */
    81. 

  81. #define GPIO_OSPD0_OSPD4           BITS(8,9)             /*!< pin 4 output max speed bits */
    82. 

  82. #define GPIO_OSPD0_OSPD5           BITS(10,11)           /*!< pin 5 output max speed bits */
    83. 

  83. #define GPIO_OSPD0_OSPD6           BITS(12,13)           /*!< pin 6 output max speed bits */
    84. 

  84. #define GPIO_OSPD0_OSPD7           BITS(14,15)           /*!< pin 7 output max speed bits */
    85. 

  85. #define GPIO_OSPD0_OSPD8           BITS(16,17)           /*!< pin 8 output max speed bits */
    86. 

  86. #define GPIO_OSPD0_OSPD9           BITS(18,19)           /*!< pin 9 output max speed bits */
    87. 

  87. #define GPIO_OSPD0_OSPD10          BITS(20,21)           /*!< pin 10 output max speed bits */
    88. 

  88. #define GPIO_OSPD0_OSPD11          BITS(22,23)           /*!< pin 11 output max speed bits */
    89. 

  89. #define GPIO_OSPD0_OSPD12          BITS(24,25)           /*!< pin 12 output max speed bits */
    90. 

  90. #define GPIO_OSPD0_OSPD13          BITS(26,27)           /*!< pin 13 output max speed bits */
    91. 

  91. #define GPIO_OSPD0_OSPD14          BITS(28,29)           /*!< pin 14 output max speed bits */
    92. 

  92. #define GPIO_OSPD0_OSPD15          BITS(30,31)           /*!< pin 15 output max speed bits */
    93. 

  93. 

  94. /* GPIO_PUD */
    95. 

  95. #define GPIO_PUD_PUD0              BITS(0,1)             /*!< pin 0 pull-up or pull-down bits */
    96. 

  96. #define GPIO_PUD_PUD1              BITS(2,3)             /*!< pin 1 pull-up or pull-down bits */
    97. 

  97. #define GPIO_PUD_PUD2              BITS(4,5)             /*!< pin 2 pull-up or pull-down bits */
    98. 

  98. #define GPIO_PUD_PUD3              BITS(6,7)             /*!< pin 3 pull-up or pull-down bits */
    99. 

  99. #define GPIO_PUD_PUD4              BITS(8,9)             /*!< pin 4 pull-up or pull-down bits */
    100. 

  100. #define GPIO_PUD_PUD5              BITS(10,11)           /*!< pin 5 pull-up or pull-down bits */
    101. 

  101. #define GPIO_PUD_PUD6              BITS(12,13)           /*!< pin 6 pull-up or pull-down bits */
    102. 

  102. #define GPIO_PUD_PUD7              BITS(14,15)           /*!< pin 7 pull-up or pull-down bits */
    103. 

  103. #define GPIO_PUD_PUD8              BITS(16,17)           /*!< pin 8 pull-up or pull-down bits */
    104. 

  104. #define GPIO_PUD_PUD9              BITS(18,19)           /*!< pin 9 pull-up or pull-down bits */
    105. 

  105. #define GPIO_PUD_PUD10             BITS(20,21)           /*!< pin 10 pull-up or pull-down bits */
    106. 

  106. #define GPIO_PUD_PUD11             BITS(22,23)           /*!< pin 11 pull-up or pull-down bits */
    107. 

  107. #define GPIO_PUD_PUD12             BITS(24,25)           /*!< pin 12 pull-up or pull-down bits */
    108. 

  108. #define GPIO_PUD_PUD13             BITS(26,27)           /*!< pin 13 pull-up or pull-down bits */
    109. 

  109. #define GPIO_PUD_PUD14             BITS(28,29)           /*!< pin 14 pull-up or pull-down bits */
    110. 

  110. #define GPIO_PUD_PUD15             BITS(30,31)           /*!< pin 15 pull-up or pull-down bits */
    111. 

  111. 

  112. /* GPIO_ISTAT */
    113. 

  113. #define GPIO_ISTAT_ISTAT0          BIT(0)                /*!< pin 0 input status */
    114. 

  114. #define GPIO_ISTAT_ISTAT1          BIT(1)                /*!< pin 1 input status */
    115. 

  115. #define GPIO_ISTAT_ISTAT2          BIT(2)                /*!< pin 2 input status */
    116. 

  116. #define GPIO_ISTAT_ISTAT3          BIT(3)                /*!< pin 3 input status */
    117. 

  117. #define GPIO_ISTAT_ISTAT4          BIT(4)                /*!< pin 4 input status */
    118. 

  118. #define GPIO_ISTAT_ISTAT5          BIT(5)                /*!< pin 5 input status */
    119. 

  119. #define GPIO_ISTAT_ISTAT6          BIT(6)                /*!< pin 6 input status */
    120. 

  120. #define GPIO_ISTAT_ISTAT7          BIT(7)                /*!< pin 7 input status */
    121. 

  121. #define GPIO_ISTAT_ISTAT8          BIT(8)                /*!< pin 8 input status */
    122. 

  122. #define GPIO_ISTAT_ISTAT9          BIT(9)                /*!< pin 9 input status */
    123. 

  123. #define GPIO_ISTAT_ISTAT10         BIT(10)               /*!< pin 10 input status */
    124. 

  124. #define GPIO_ISTAT_ISTAT11         BIT(11)               /*!< pin 11 input status */
    125. 

  125. #define GPIO_ISTAT_ISTAT12         BIT(12)               /*!< pin 12 input status */
    126. 

  126. #define GPIO_ISTAT_ISTAT13         BIT(13)               /*!< pin 13 input status */
    127. 

  127. #define GPIO_ISTAT_ISTAT14         BIT(14)               /*!< pin 14 input status */
    128. 

  128. #define GPIO_ISTAT_ISTAT15         BIT(15)               /*!< pin 15 input status */
    129. 

  129. 

  130. /* GPIO_OCTL */
    131. 

  131. #define GPIO_OCTL_OCTL0            BIT(0)                /*!< pin 0 output bit */
    132. 

  132. #define GPIO_OCTL_OCTL1            BIT(1)                /*!< pin 1 output bit */
    133. 

  133. #define GPIO_OCTL_OCTL2            BIT(2)                /*!< pin 2 output bit */
    134. 

  134. #define GPIO_OCTL_OCTL3            BIT(3)                /*!< pin 3 output bit */
    135. 

  135. #define GPIO_OCTL_OCTL4            BIT(4)                /*!< pin 4 output bit */
    136. 

  136. #define GPIO_OCTL_OCTL5            BIT(5)                /*!< pin 5 output bit */
    137. 

  137. #define GPIO_OCTL_OCTL6            BIT(6)                /*!< pin 6 output bit */
    138. 

  138. #define GPIO_OCTL_OCTL7            BIT(7)                /*!< pin 7 output bit */
    139. 

  139. #define GPIO_OCTL_OCTL8            BIT(8)                /*!< pin 8 output bit */
    140. 

  140. #define GPIO_OCTL_OCTL9            BIT(9)                /*!< pin 9 output bit */
    141. 

  141. #define GPIO_OCTL_OCTL10           BIT(10)               /*!< pin 10 output bit */
    142. 

  142. #define GPIO_OCTL_OCTL11           BIT(11)               /*!< pin 11 output bit */
    143. 

  143. #define GPIO_OCTL_OCTL12           BIT(12)               /*!< pin 12 output bit */
    144. 

  144. #define GPIO_OCTL_OCTL13           BIT(13)               /*!< pin 13 output bit */
    145. 

  145. #define GPIO_OCTL_OCTL14           BIT(14)               /*!< pin 14 output bit */
    146. 

  146. #define GPIO_OCTL_OCTL15           BIT(15)               /*!< pin 15 output bit */
    147. 

  147. 

  148. /* GPIO_BOP */
    149. 

  149. #define GPIO_BOP_BOP0              BIT(0)                /*!< pin 0 set bit */
    150. 

  150. #define GPIO_BOP_BOP1              BIT(1)                /*!< pin 1 set bit */
    151. 

  151. #define GPIO_BOP_BOP2              BIT(2)                /*!< pin 2 set bit */
    152. 

  152. #define GPIO_BOP_BOP3              BIT(3)                /*!< pin 3 set bit */
    153. 

  153. #define GPIO_BOP_BOP4              BIT(4)                /*!< pin 4 set bit */
    154. 

  154. #define GPIO_BOP_BOP5              BIT(5)                /*!< pin 5 set bit */
    155. 

  155. #define GPIO_BOP_BOP6              BIT(6)                /*!< pin 6 set bit */
    156. 

  156. #define GPIO_BOP_BOP7              BIT(7)                /*!< pin 7 set bit */
    157. 

  157. #define GPIO_BOP_BOP8              BIT(8)                /*!< pin 8 set bit */
    158. 

  158. #define GPIO_BOP_BOP9              BIT(9)                /*!< pin 9 set bit */
    159. 

  159. #define GPIO_BOP_BOP10             BIT(10)               /*!< pin 10 set bit */
    160. 

  160. #define GPIO_BOP_BOP11             BIT(11)               /*!< pin 11 set bit */
    161. 

  161. #define GPIO_BOP_BOP12             BIT(12)               /*!< pin 12 set bit */
    162. 

  162. #define GPIO_BOP_BOP13             BIT(13)               /*!< pin 13 set bit */
    163. 

  163. #define GPIO_BOP_BOP14             BIT(14)               /*!< pin 14 set bit */
    164. 

  164. #define GPIO_BOP_BOP15             BIT(15)               /*!< pin 15 set bit */
    165. 

  165. #define GPIO_BOP_CR0               BIT(16)               /*!< pin 0 clear bit */
    166. 

  166. #define GPIO_BOP_CR1               BIT(17)               /*!< pin 1 clear bit */
    167. 

  167. #define GPIO_BOP_CR2               BIT(18)               /*!< pin 2 clear bit */
    168. 

  168. #define GPIO_BOP_CR3               BIT(19)               /*!< pin 3 clear bit */
    169. 

  169. #define GPIO_BOP_CR4               BIT(20)               /*!< pin 4 clear bit */
    170. 

  170. #define GPIO_BOP_CR5               BIT(21)               /*!< pin 5 clear bit */
    171. 

  171. #define GPIO_BOP_CR6               BIT(22)               /*!< pin 6 clear bit */
    172. 

  172. #define GPIO_BOP_CR7               BIT(23)               /*!< pin 7 clear bit */
    173. 

  173. #define GPIO_BOP_CR8               BIT(24)               /*!< pin 8 clear bit */
    174. 

  174. #define GPIO_BOP_CR9               BIT(25)               /*!< pin 9 clear bit */
    175. 

  175. #define GPIO_BOP_CR10              BIT(26)               /*!< pin 10 clear bit */
    176. 

  176. #define GPIO_BOP_CR11              BIT(27)               /*!< pin 11 clear bit */
    177. 

  177. #define GPIO_BOP_CR12              BIT(28)               /*!< pin 12 clear bit */
    178. 

  178. #define GPIO_BOP_CR13              BIT(29)               /*!< pin 13 clear bit */
    179. 

  179. #define GPIO_BOP_CR14              BIT(30)               /*!< pin 14 clear bit */
    180. 

  180. #define GPIO_BOP_CR15              BIT(31)               /*!< pin 15 clear bit */
    181. 

  181. 

  182. /* GPIO_LOCK */
    183. 

  183. #define GPIO_LOCK_LK0              BIT(0)                /*!< pin 0 lock bit */
    184. 

  184. #define GPIO_LOCK_LK1              BIT(1)                /*!< pin 1 lock bit */
    185. 

  185. #define GPIO_LOCK_LK2              BIT(2)                /*!< pin 2 lock bit */
    186. 

  186. #define GPIO_LOCK_LK3              BIT(3)                /*!< pin 3 lock bit */
    187. 

  187. #define GPIO_LOCK_LK4              BIT(4)                /*!< pin 4 lock bit */
    188. 

  188. #define GPIO_LOCK_LK5              BIT(5)                /*!< pin 5 lock bit */
    189. 

  189. #define GPIO_LOCK_LK6              BIT(6)                /*!< pin 6 lock bit */
    190. 

  190. #define GPIO_LOCK_LK7              BIT(7)                /*!< pin 7 lock bit */
    191. 

  191. #define GPIO_LOCK_LK8              BIT(8)                /*!< pin 8 lock bit */
    192. 

  192. #define GPIO_LOCK_LK9              BIT(9)                /*!< pin 9 lock bit */
    193. 

  193. #define GPIO_LOCK_LK10             BIT(10)               /*!< pin 10 lock bit */
    194. 

  194. #define GPIO_LOCK_LK11             BIT(11)               /*!< pin 11 lock bit */
    195. 

  195. #define GPIO_LOCK_LK12             BIT(12)               /*!< pin 12 lock bit */
    196. 

  196. #define GPIO_LOCK_LK13             BIT(13)               /*!< pin 13 lock bit */
    197. 

  197. #define GPIO_LOCK_LK14             BIT(14)               /*!< pin 14 lock bit */
    198. 

  198. #define GPIO_LOCK_LK15             BIT(15)               /*!< pin 15 lock bit */
    199. 

  199. #define GPIO_LOCK_LKK              BIT(16)               /*!< pin sequence lock key */
    200. 

  200. 

  201. /* GPIO_AFSEL0 */
    202. 

  202. #define GPIO_AFSEL0_SEL0           BITS(0,3)             /*!< pin 0 alternate function selected */
    203. 

  203. #define GPIO_AFSEL0_SEL1           BITS(4,7)             /*!< pin 1 alternate function selected */
    204. 

  204. #define GPIO_AFSEL0_SEL2           BITS(8,11)            /*!< pin 2 alternate function selected */
    205. 

  205. #define GPIO_AFSEL0_SEL3           BITS(12,15)           /*!< pin 3 alternate function selected */
    206. 

  206. #define GPIO_AFSEL0_SEL4           BITS(16,19)           /*!< pin 4 alternate function selected */
    207. 

  207. #define GPIO_AFSEL0_SEL5           BITS(20,23)           /*!< pin 5 alternate function selected */
    208. 

  208. #define GPIO_AFSEL0_SEL6           BITS(24,27)           /*!< pin 6 alternate function selected */
    209. 

  209. #define GPIO_AFSEL0_SEL7           BITS(28,31)           /*!< pin 7 alternate function selected */
    210. 

  210. 

  211. /* GPIO_AFSEL1 */
    212. 

  212. #define GPIO_AFSEL1_SEL8           BITS(0,3)             /*!< pin 8 alternate function selected */
    213. 

  213. #define GPIO_AFSEL1_SEL9           BITS(4,7)             /*!< pin 9 alternate function selected */
    214. 

  214. #define GPIO_AFSEL1_SEL10          BITS(8,11)            /*!< pin 10 alternate function selected */
    215. 

  215. #define GPIO_AFSEL1_SEL11          BITS(12,15)           /*!< pin 11 alternate function selected */
    216. 

  216. #define GPIO_AFSEL1_SEL12          BITS(16,19)           /*!< pin 12 alternate function selected */
    217. 

  217. #define GPIO_AFSEL1_SEL13          BITS(20,23)           /*!< pin 13 alternate function selected */
    218. 

  218. #define GPIO_AFSEL1_SEL14          BITS(24,27)           /*!< pin 14 alternate function selected */
    219. 

  219. #define GPIO_AFSEL1_SEL15          BITS(28,31)           /*!< pin 15 alternate function selected */
    220. 

  220. 

  221. /* GPIO_BC */
    222. 

  222. #define GPIO_BC_CR0                BIT(0)                /*!< pin 0 clear bit */
    223. 

  223. #define GPIO_BC_CR1                BIT(1)                /*!< pin 1 clear bit */
    224. 

  224. #define GPIO_BC_CR2                BIT(2)                /*!< pin 2 clear bit */
    225. 

  225. #define GPIO_BC_CR3                BIT(3)                /*!< pin 3 clear bit */
    226. 

  226. #define GPIO_BC_CR4                BIT(4)                /*!< pin 4 clear bit */
    227. 

  227. #define GPIO_BC_CR5                BIT(5)                /*!< pin 5 clear bit */
    228. 

  228. #define GPIO_BC_CR6                BIT(6)                /*!< pin 6 clear bit */
    229. 

  229. #define GPIO_BC_CR7                BIT(7)                /*!< pin 7 clear bit */
    230. 

  230. #define GPIO_BC_CR8                BIT(8)                /*!< pin 8 clear bit */
    231. 

  231. #define GPIO_BC_CR9                BIT(9)                /*!< pin 9 clear bit */
    232. 

  232. #define GPIO_BC_CR10               BIT(10)               /*!< pin 10 clear bit */
    233. 

  233. #define GPIO_BC_CR11               BIT(11)               /*!< pin 11 clear bit */
    234. 

  234. #define GPIO_BC_CR12               BIT(12)               /*!< pin 12 clear bit */
    235. 

  235. #define GPIO_BC_CR13               BIT(13)               /*!< pin 13 clear bit */
    236. 

  236. #define GPIO_BC_CR14               BIT(14)               /*!< pin 14 clear bit */
    237. 

  237. #define GPIO_BC_CR15               BIT(15)               /*!< pin 15 clear bit */
    238. 

  238. 

  239. /* GPIO_TG */
    240. 

  240. #define GPIO_TG_TG0                BIT(0)                /*!< pin 0 toggle bit */
    241. 

  241. #define GPIO_TG_TG1                BIT(1)                /*!< pin 1 toggle bit */
    242. 

  242. #define GPIO_TG_TG2                BIT(2)                /*!< pin 2 toggle bit */
    243. 

  243. #define GPIO_TG_TG3                BIT(3)                /*!< pin 3 toggle bit */
    244. 

  244. #define GPIO_TG_TG4                BIT(4)                /*!< pin 4 toggle bit */
    245. 

  245. #define GPIO_TG_TG5                BIT(5)                /*!< pin 5 toggle bit */
    246. 

  246. #define GPIO_TG_TG6                BIT(6)                /*!< pin 6 toggle bit */
    247. 

  247. #define GPIO_TG_TG7                BIT(7)                /*!< pin 7 toggle bit */
    248. 

  248. #define GPIO_TG_TG8                BIT(8)                /*!< pin 8 toggle bit */
    249. 

  249. #define GPIO_TG_TG9                BIT(9)                /*!< pin 9 toggle bit */
    250. 

  250. #define GPIO_TG_TG10               BIT(10)               /*!< pin 10 toggle bit */
    251. 

  251. #define GPIO_TG_TG11               BIT(11)               /*!< pin 11 toggle bit */
    252. 

  252. #define GPIO_TG_TG12               BIT(12)               /*!< pin 12 toggle bit */
    253. 

  253. #define GPIO_TG_TG13               BIT(13)               /*!< pin 13 toggle bit */
    254. 

  254. #define GPIO_TG_TG14               BIT(14)               /*!< pin 14 toggle bit */
    255. 

  255. #define GPIO_TG_TG15               BIT(15)               /*!< pin 15 toggle bit */
    256. 

  256. 

  257. /* GPIO_OSPD1 */
    258. 

  258. #define GPIO_OSPD1_SPD0            BIT(0)                /*!< set pin 0 very high output speed when OSPD0 is "11" */
    259. 

  259. #define GPIO_OSPD1_SPD1            BIT(1)                /*!< set pin 1 very high output speed when OSPD1 is "11" */
    260. 

  260. #define GPIO_OSPD1_SPD2            BIT(2)                /*!< set pin 2 very high output speed when OSPD2 is "11" */
    261. 

  261. #define GPIO_OSPD1_SPD3            BIT(3)                /*!< set pin 3 very high output speed when OSPD3 is "11" */
    262. 

  262. #define GPIO_OSPD1_SPD4            BIT(4)                /*!< set pin 4 very high output speed when OSPD4 is "11" */
    263. 

  263. #define GPIO_OSPD1_SPD5            BIT(5)                /*!< set pin 5 very high output speed when OSPD5 is "11" */
    264. 

  264. #define GPIO_OSPD1_SPD6            BIT(6)                /*!< set pin 6 very high output speed when OSPD6 is "11" */
    265. 

  265. #define GPIO_OSPD1_SPD7            BIT(7)                /*!< set pin 7 very high output speed when OSPD7 is "11" */
    266. 

  266. #define GPIO_OSPD1_SPD8            BIT(8)                /*!< set pin 8 very high output speed when OSPD8 is "11" */
    267. 

  267. #define GPIO_OSPD1_SPD9            BIT(9)                /*!< set pin 9 very high output speed when OSPD9 is "11" */
    268. 

  268. #define GPIO_OSPD1_SPD10           BIT(10)               /*!< set pin 10 very high output speed when OSPD10 is "11" */
    269. 

  269. #define GPIO_OSPD1_SPD11           BIT(11)               /*!< set pin 11 very high output speed when OSPD11 is "11" */
    270. 

  270. #define GPIO_OSPD1_SPD12           BIT(12)               /*!< set pin 12 very high output speed when OSPD12 is "11" */
    271. 

  271. #define GPIO_OSPD1_SPD13           BIT(13)               /*!< set pin 13 very high output speed when OSPD13 is "11" */
    272. 

  272. #define GPIO_OSPD1_SPD14           BIT(14)               /*!< set pin 14 very high output speed when OSPD14 is "11" */
    273. 

  273. #define GPIO_OSPD1_SPD15           BIT(15)               /*!< set pin 15 very high output speed when OSPD15 is "11" */
    274. 

  274. 

  275. /* constants definitions */
    276. 

  276. typedef FlagStatus bit_status;
    277. 

  277. 

  278. /* output mode definitions */
    279. 

  279. #define CTL_CLTR(regval)           (BITS(0,1) & ((uint32_t)(regval) << 0))
    280. 

  280. #define GPIO_MODE_INPUT            CTL_CLTR(0)           /*!< input mode */
    281. 

  281. #define GPIO_MODE_OUTPUT           CTL_CLTR(1)           /*!< output mode */
    282. 

  282. #define GPIO_MODE_AF               CTL_CLTR(2)           /*!< alternate function mode */
    283. 

  283. #define GPIO_MODE_ANALOG           CTL_CLTR(3)           /*!< analog mode */
    284. 

  284. 

  285. /* pull-up/pull-down definitions */
    286. 

  286. #define PUD_PUPD(regval)           (BITS(0,1) & ((uint32_t)(regval) << 0))
    287. 

  287. #define GPIO_PUPD_NONE             PUD_PUPD(0)           /*!< floating mode, no pull-up and pull-down resistors */
    288. 

  288. #define GPIO_PUPD_PULLUP           PUD_PUPD(1)           /*!< with pull-up resistor */
    289. 

  289. #define GPIO_PUPD_PULLDOWN         PUD_PUPD(2)           /*!< with pull-down resistor */
    290. 

  290. 

  291. /* GPIO pin definitions */
    292. 

  292. #define GPIO_PIN_0                 BIT(0)                /*!< GPIO pin 0 */
    293. 

  293. #define GPIO_PIN_1                 BIT(1)                /*!< GPIO pin 1 */
    294. 

  294. #define GPIO_PIN_2                 BIT(2)                /*!< GPIO pin 2 */
    295. 

  295. #define GPIO_PIN_3                 BIT(3)                /*!< GPIO pin 3 */
    296. 

  296. #define GPIO_PIN_4                 BIT(4)                /*!< GPIO pin 4 */
    297. 

  297. #define GPIO_PIN_5                 BIT(5)                /*!< GPIO pin 5 */
    298. 

  298. #define GPIO_PIN_6                 BIT(6)                /*!< GPIO pin 6 */
    299. 

  299. #define GPIO_PIN_7                 BIT(7)                /*!< GPIO pin 7 */
    300. 

  300. #define GPIO_PIN_8                 BIT(8)                /*!< GPIO pin 8 */
    301. 

  301. #define GPIO_PIN_9                 BIT(9)                /*!< GPIO pin 9 */
    302. 

  302. #define GPIO_PIN_10                BIT(10)               /*!< GPIO pin 10 */
    303. 

  303. #define GPIO_PIN_11                BIT(11)               /*!< GPIO pin 11 */
    304. 

  304. #define GPIO_PIN_12                BIT(12)               /*!< GPIO pin 12 */
    305. 

  305. #define GPIO_PIN_13                BIT(13)               /*!< GPIO pin 13 */
    306. 

  306. #define GPIO_PIN_14                BIT(14)               /*!< GPIO pin 14 */
    307. 

  307. #define GPIO_PIN_15                BIT(15)               /*!< GPIO pin 15 */
    308. 

  308. #define GPIO_PIN_ALL               BITS(0,15)            /*!< GPIO pin all */
    309. 

  309. 

  310. /* GPIO mode configuration values */
    311. 

  311. #define GPIO_MODE_SET(n, mode)     ((uint32_t)((uint32_t)(mode) << (2U * (n))))
    312. 

  312. #define GPIO_MODE_MASK(n)          (0x3U << (2U * (n)))
    313. 

  313. 

  314. /* GPIO pull-up/pull-down values */
    315. 

  315. #define GPIO_PUPD_SET(n, pupd)     ((uint32_t)((uint32_t)(pupd) << (2U * (n))))
    316. 

  316. #define GPIO_PUPD_MASK(n)          (0x3U << (2U * (n)))
    317. 

  317. 

  318. /* GPIO output speed values */
    319. 

  319. #define GPIO_OSPEED_SET(n, speed)  ((uint32_t)((uint32_t)(speed) << (2U * (n))))
    320. 

  320. #define GPIO_OSPEED_MASK(n)        (0x3U << (2U * (n)))
    321. 

  321. 

  322. /* GPIO output type */
    323. 

  323. #define GPIO_OTYPE_PP              ((uint8_t)(0x00U))    /*!< push pull mode */
    324. 

  324. #define GPIO_OTYPE_OD              ((uint8_t)(0x01U))    /*!< open drain mode */
    325. 

  325. 

  326. /* GPIO output max speed value */
    327. 

  327. #define OSPD_OSPD0(regval)         (BITS(0,1) & ((uint32_t)(regval) << 0))
    328. 

  328. #define GPIO_OSPEED_2MHZ           OSPD_OSPD0(0)         /*!< output max speed 2MHz */
    329. 

  329. #define GPIO_OSPEED_10MHZ          OSPD_OSPD0(1)         /*!< output max speed 10MHz */
    330. 

  330. #define GPIO_OSPEED_50MHZ          OSPD_OSPD0(3)         /*!< output max speed 50MHz */
    331. 

  331. #define GPIO_OSPEED_MAX            0x0000FFFFU           /*!< GPIO very high output speed, max speed more than 50MHz */
    332. 

  332. 

  333. /* GPIO alternate function values */
    334. 

  334. #define GPIO_AFR_SET(n, af)        ((uint32_t)((uint32_t)(af) << (4U * (n))))
    335. 

  335. #define GPIO_AFR_MASK(n)           (0xFU << (4U * (n)))
    336. 

  336.  
    337. 

  337. /* GPIO alternate function */
    338. 

  338. #define AF(regval)                 (BITS(0,3) & ((uint32_t)(regval) << 0)) 
    339. 

  339. #define GPIO_AF_0                   AF(0)                /*!< alternate function 0 selected */
    340. 

  340. #define GPIO_AF_1                   AF(1)                /*!< alternate function 1 selected */
    341. 

  341. #define GPIO_AF_2                   AF(2)                /*!< alternate function 2 selected */
    342. 

  342. #define GPIO_AF_3                   AF(3)                /*!< alternate function 3 selected */
    343. 

  343. #define GPIO_AF_4                   AF(4)                /*!< alternate function 4 selected (port A,B only) */
    344. 

  344. #define GPIO_AF_5                   AF(5)                /*!< alternate function 5 selected (port A,B only) */
    345. 

  345. #define GPIO_AF_6                   AF(6)                /*!< alternate function 6 selected (port A,B only) */
    346. 

  346. #define GPIO_AF_7                   AF(7)                /*!< alternate function 7 selected (port A,B only) */
    347. 

  347. 

  348. /* function declarations */
    349. 

  349. /* reset GPIO port */
    350. 

  350. void gpio_deinit(uint32_t gpio_periph);
    351. 

  351. /* set GPIO mode */
    352. 

  352. void gpio_mode_set(uint32_t gpio_periph, uint32_t mode, uint32_t pull_up_down, uint32_t pin);
    353. 

  353. /* set GPIO output type and speed */
    354. 

  354. void gpio_output_options_set(uint32_t gpio_periph, uint8_t otype, uint32_t speed, uint32_t pin);
    355. 

  355. 

  356. /* set GPIO pin bit */
    357. 

  357. void gpio_bit_set(uint32_t gpio_periph, uint32_t pin);
    358. 

  358. /* reset GPIO pin bit */
    359. 

  359. void gpio_bit_reset(uint32_t gpio_periph, uint32_t pin);
    360. 

  360. /* write data to the specified GPIO pin */
    361. 

  361. void gpio_bit_write(uint32_t gpio_periph, uint32_t pin, bit_status bit_value);
    362. 

  362. /* write data to the specified GPIO port */
    363. 

  363. void gpio_port_write(uint32_t gpio_periph, uint16_t data);
    364. 

  364. 

  365. /* get GPIO pin input status */
    366. 

  366. FlagStatus gpio_input_bit_get(uint32_t gpio_periph, uint32_t pin);
    367. 

  367. /* get GPIO port input status */
    368. 

  368. uint16_t gpio_input_port_get(uint32_t gpio_periph);
    369. 

  369. /* get GPIO pin output status */
    370. 

  370. FlagStatus gpio_output_bit_get(uint32_t gpio_periph, uint32_t pin);
    371. 

  371. /* get GPIO port output status */
    372. 

  372. uint16_t gpio_output_port_get(uint32_t gpio_periph);
    373. 

  373. 

  374. /* set GPIO alternate function */
    375. 

  375. void gpio_af_set(uint32_t gpio_periph,uint32_t alt_func_num, uint32_t pin);
    376. 

  376. /* lock GPIO pin bit */
    377. 

  377. void gpio_pin_lock(uint32_t gpio_periph, uint32_t pin);
    378. 

  378. 

  379. /* toggle GPIO pin status */
    380. 

  380. void gpio_bit_toggle(uint32_t gpio_periph, uint32_t pin);
    381. 

  381. /* toggle GPIO port status */
    382. 

  382. void gpio_port_toggle(uint32_t gpio_periph);
    383. 

  383. 

  384. #endif /* GD32F3X0_GPIO_H */
    385.