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Branch: copilot/remove-finish-function-export-alias
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rt-thread
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bsp
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bouffalo_lab
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libraries
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rt_drivers
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drv_i2c.h

drv_i2c.h 14 KB
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  1. /*
    2. 

  2.  * Copyright (c) 2006-2023, RT-Thread Development Team
    3. 

  3.  *
    4. 

  4.  * SPDX-License-Identifier: Apache-2.0
    5. 

  5.  *
    6. 

  6.  * Change Logs:
    7. 

  7.  * Date           Author       Notes
    8. 

  8.  * 2023/05/10     flyingcys    first version
    9. 

  9. */
    10. 

  10. 

  11. #ifndef __DRV_I2C_H__
    12. 

  12. #define __DRV_I2C_H__
    13. 

  13. 

  14. #include <rtthread.h>
    15. 

  15. #include "rtdevice.h"
    16. 

  16. #include <rthw.h>
    17. 

  17. 

  18. #include "bflb_gpio.h"
    19. 

  19. #include "bflb_i2c.h"
    20. 

  20. 

  21. // I2C0
    22. 

  22. #ifdef I2C0_SCL_USING_GPIO0
    23. 

  23. #define I2C0_GPIO_SCL       GPIO_PIN_0
    24. 

  24. #elif defined(I2C0_SCL_USING_GPIO2)
    25. 

  25. #define I2C0_GPIO_SCL       GPIO_PIN_2
    26. 

  26. #elif defined(I2C0_SCL_USING_GPIO4)
    27. 

  27. #define I2C0_GPIO_SCL       GPIO_PIN_4
    28. 

  28. #elif defined(I2C0_SCL_USING_GPIO6)
    29. 

  29. #define I2C0_GPIO_SCL       GPIO_PIN_6
    30. 

  30. #elif defined(I2C0_SCL_USING_GPIO8)
    31. 

  31. #define I2C0_GPIO_SCL       GPIO_PIN_8
    32. 

  32. #elif defined(I2C0_SCL_USING_GPIO10)
    33. 

  33. #define I2C0_GPIO_SCL       GPIO_PIN_4
    34. 

  34. #elif defined(I2C0_SCL_USING_GPIO12)
    35. 

  35. #define I2C0_GPIO_SCL       GPIO_PIN_12
    36. 

  36. #elif defined(I2C0_SCL_USING_GPIO14)
    37. 

  37. #define I2C0_GPIO_SCL       GPIO_PIN_14
    38. 

  38. #elif defined(I2C0_SCL_USING_GPIO16)
    39. 

  39. #define I2C0_GPIO_SCL       GPIO_PIN_16
    40. 

  40. #elif defined(I2C0_SCL_USING_GPIO18)
    41. 

  41. #define I2C0_GPIO_SCL       GPIO_PIN_18
    42. 

  42. #elif defined(I2C0_SCL_USING_GPIO20)
    43. 

  43. #define I2C0_GPIO_SCL       GPIO_PIN_20
    44. 

  44. #elif defined(I2C0_SCL_USING_GPIO22)
    45. 

  45. #define I2C0_GPIO_SCL       GPIO_PIN_22
    46. 

  46. #elif defined(I2C0_SCL_USING_GPIO24)
    47. 

  47. #define I2C0_GPIO_SCL       GPIO_PIN_24
    48. 

  48. #elif defined(I2C0_SCL_USING_GPIO26)
    49. 

  49. #define I2C0_GPIO_SCL       GPIO_PIN_26
    50. 

  50. #elif defined(I2C0_SCL_USING_GPIO28)
    51. 

  51. #define I2C0_GPIO_SCL       GPIO_PIN_28
    52. 

  52. #elif defined(I2C0_SCL_USING_GPIO30)
    53. 

  53. #define I2C0_GPIO_SCL       GPIO_PIN_30
    54. 

  54. #elif defined(I2C0_SCL_USING_GPIO32)
    55. 

  55. #define I2C0_GPIO_SCL       GPIO_PIN_32
    56. 

  56. #elif defined(I2C0_SCL_USING_GPIO34)
    57. 

  57. #define I2C0_GPIO_SCL       GPIO_PIN_34
    58. 

  58. #elif defined(I2C0_SCL_USING_GPIO36)
    59. 

  59. #define I2C0_GPIO_SCL       GPIO_PIN_36
    60. 

  60. #elif defined(I2C0_SCL_USING_GPIO38)
    61. 

  61. #define I2C0_GPIO_SCL       GPIO_PIN_38
    62. 

  62. #elif defined(I2C0_SCL_USING_GPIO40)
    63. 

  63. #define I2C0_GPIO_SCL       GPIO_PIN_40
    64. 

  64. #elif defined(I2C0_SCL_USING_GPIO42)
    65. 

  65. #define I2C0_GPIO_SCL       GPIO_PIN_42
    66. 

  66. #elif defined(I2C0_SCL_USING_GPIO44)
    67. 

  67. #define I2C0_GPIO_SCL       GPIO_PIN_44
    68. 

  68. #endif
    69. 

  69. 

  70. #ifdef I2C0_SDA_USING_GPIO1
    71. 

  71. #define I2C0_GPIO_SDA       GPIO_PIN_1
    72. 

  72. #elif defined(I2C0_SDA_USING_GPIO3)
    73. 

  73. #define I2C0_GPIO_SDA       GPIO_PIN_3
    74. 

  74. #elif defined(I2C0_SDA_USING_GPIO5)
    75. 

  75. #define I2C0_GPIO_SDA       GPIO_PIN_5
    76. 

  76. #elif defined(I2C0_SDA_USING_GPIO7)
    77. 

  77. #define I2C0_GPIO_SDA       GPIO_PIN_7
    78. 

  78. #elif defined(I2C0_SDA_USING_GPIO9)
    79. 

  79. #define I2C0_GPIO_SDA       GPIO_PIN_9
    80. 

  80. #elif defined(I2C0_SDA_USING_GPIO11)
    81. 

  81. #define I2C0_GPIO_SDA       GPIO_PIN_11
    82. 

  82. #elif defined(I2C0_SDA_USING_GPIO13)
    83. 

  83. #define I2C0_GPIO_SDA       GPIO_PIN_13
    84. 

  84. #elif defined(I2C0_SDA_USING_GPIO15)
    85. 

  85. #define I2C0_GPIO_SDA       GPIO_PIN_15
    86. 

  86. #elif defined(I2C0_SDA_USING_GPIO17)
    87. 

  87. #define I2C0_GPIO_SDA       GPIO_PIN_17
    88. 

  88. #elif defined(I2C0_SDA_USING_GPIO19)
    89. 

  89. #define I2C0_GPIO_SDA       GPIO_PIN_19
    90. 

  90. #elif defined(I2C0_SDA_USING_GPIO21)
    91. 

  91. #define I2C0_GPIO_SDA       GPIO_PIN_21
    92. 

  92. #elif defined(I2C0_SDA_USING_GPIO23)
    93. 

  93. #define I2C0_GPIO_SDA       GPIO_PIN_23
    94. 

  94. #elif defined(I2C0_SDA_USING_GPIO25)
    95. 

  95. #define I2C0_GPIO_SDA       GPIO_PIN_25
    96. 

  96. #elif defined(I2C0_SDA_USING_GPIO27)
    97. 

  97. #define I2C0_GPIO_SDA       GPIO_PIN_27
    98. 

  98. #elif defined(I2C0_SDA_USING_GPIO29)
    99. 

  99. #define I2C0_GPIO_SDA       GPIO_PIN_29
    100. 

  100. #elif defined(I2C0_SDA_USING_GPIO31)
    101. 

  101. #define I2C0_GPIO_SDA       GPIO_PIN_31
    102. 

  102. #elif defined(I2C0_SDA_USING_GPIO33)
    103. 

  103. #define I2C0_GPIO_SDA       GPIO_PIN_33
    104. 

  104. #elif defined(I2C0_SDA_USING_GPIO35)
    105. 

  105. #define I2C0_GPIO_SDA       GPIO_PIN_35
    106. 

  106. #elif defined(I2C0_SDA_USING_GPIO37)
    107. 

  107. #define I2C0_GPIO_SDA       GPIO_PIN_37
    108. 

  108. #elif defined(I2C0_SDA_USING_GPIO39)
    109. 

  109. #define I2C0_GPIO_SDA       GPIO_PIN_39
    110. 

  110. #elif defined(I2C0_SDA_USING_GPIO41)
    111. 

  111. #define I2C0_GPIO_SDA       GPIO_PIN_41
    112. 

  112. #elif defined(I2C0_SDA_USING_GPIO43)
    113. 

  113. #define I2C0_GPIO_SDA       GPIO_PIN_43
    114. 

  114. #elif defined(I2C0_SDA_USING_GPIO45)
    115. 

  115. #define I2C0_GPIO_SDA       GPIO_PIN_45
    116. 

  116. #endif
    117. 

  117. 

  118. // I2C1
    119. 

  119. #ifdef I2C1_SCL_USING_GPIO0
    120. 

  120. #define I2C1_GPIO_SCL       GPIO_PIN_0
    121. 

  121. #elif defined(I2C1_SCL_USING_GPIO2)
    122. 

  122. #define I2C1_GPIO_SCL       GPIO_PIN_2
    123. 

  123. #elif defined(I2C1_SCL_USING_GPIO4)
    124. 

  124. #define I2C1_GPIO_SCL       GPIO_PIN_4
    125. 

  125. #elif defined(I2C1_SCL_USING_GPIO6)
    126. 

  126. #define I2C1_GPIO_SCL       GPIO_PIN_6
    127. 

  127. #elif defined(I2C1_SCL_USING_GPIO8)
    128. 

  128. #define I2C1_GPIO_SCL       GPIO_PIN_8
    129. 

  129. #elif defined(I2C1_SCL_USING_GPIO10)
    130. 

  130. #define I2C1_GPIO_SCL       GPIO_PIN_4
    131. 

  131. #elif defined(I2C1_SCL_USING_GPIO12)
    132. 

  132. #define I2C1_GPIO_SCL       GPIO_PIN_12
    133. 

  133. #elif defined(I2C1_SCL_USING_GPIO14)
    134. 

  134. #define I2C1_GPIO_SCL       GPIO_PIN_14
    135. 

  135. #elif defined(I2C1_SCL_USING_GPIO16)
    136. 

  136. #define I2C1_GPIO_SCL       GPIO_PIN_16
    137. 

  137. #elif defined(I2C1_SCL_USING_GPIO18)
    138. 

  138. #define I2C1_GPIO_SCL       GPIO_PIN_18
    139. 

  139. #elif defined(I2C1_SCL_USING_GPIO20)
    140. 

  140. #define I2C1_GPIO_SCL       GPIO_PIN_20
    141. 

  141. #elif defined(I2C1_SCL_USING_GPIO22)
    142. 

  142. #define I2C1_GPIO_SCL       GPIO_PIN_22
    143. 

  143. #elif defined(I2C1_SCL_USING_GPIO24)
    144. 

  144. #define I2C1_GPIO_SCL       GPIO_PIN_24
    145. 

  145. #elif defined(I2C1_SCL_USING_GPIO26)
    146. 

  146. #define I2C1_GPIO_SCL       GPIO_PIN_26
    147. 

  147. #elif defined(I2C1_SCL_USING_GPIO28)
    148. 

  148. #define I2C1_GPIO_SCL       GPIO_PIN_28
    149. 

  149. #elif defined(I2C1_SCL_USING_GPIO30)
    150. 

  150. #define I2C1_GPIO_SCL       GPIO_PIN_30
    151. 

  151. #elif defined(I2C1_SCL_USING_GPIO32)
    152. 

  152. #define I2C1_GPIO_SCL       GPIO_PIN_32
    153. 

  153. #elif defined(I2C1_SCL_USING_GPIO34)
    154. 

  154. #define I2C1_GPIO_SCL       GPIO_PIN_34
    155. 

  155. #elif defined(I2C1_SCL_USING_GPIO36)
    156. 

  156. #define I2C1_GPIO_SCL       GPIO_PIN_36
    157. 

  157. #elif defined(I2C1_SCL_USING_GPIO38)
    158. 

  158. #define I2C1_GPIO_SCL       GPIO_PIN_38
    159. 

  159. #elif defined(I2C1_SCL_USING_GPIO40)
    160. 

  160. #define I2C1_GPIO_SCL       GPIO_PIN_40
    161. 

  161. #elif defined(I2C1_SCL_USING_GPIO42)
    162. 

  162. #define I2C1_GPIO_SCL       GPIO_PIN_42
    163. 

  163. #elif defined(I2C1_SCL_USING_GPIO44)
    164. 

  164. #define I2C1_GPIO_SCL       GPIO_PIN_44
    165. 

  165. #endif
    166. 

  166. 

  167. #ifdef I2C1_SDA_USING_GPIO26
    168. 

  168. #define I2C1_GPIO_SDA       GPIO_PIN_1
    169. 

  169. #elif defined(I2C1_SDA_USING_GPIO3)
    170. 

  170. #define I2C1_GPIO_SDA       GPIO_PIN_3
    171. 

  171. #elif defined(I2C1_SDA_USING_GPIO5)
    172. 

  172. #define I2C1_GPIO_SDA       GPIO_PIN_5
    173. 

  173. #elif defined(I2C1_SDA_USING_GPIO7)
    174. 

  174. #define I2C1_GPIO_SDA       GPIO_PIN_7
    175. 

  175. #elif defined(I2C1_SDA_USING_GPIO9)
    176. 

  176. #define I2C1_GPIO_SDA       GPIO_PIN_9
    177. 

  177. #elif defined(I2C1_SDA_USING_GPIO11)
    178. 

  178. #define I2C1_GPIO_SDA       GPIO_PIN_11
    179. 

  179. #elif defined(I2C1_SDA_USING_GPIO13)
    180. 

  180. #define I2C1_GPIO_SDA       GPIO_PIN_13
    181. 

  181. #elif defined(I2C1_SDA_USING_GPIO15)
    182. 

  182. #define I2C1_GPIO_SDA       GPIO_PIN_15
    183. 

  183. #elif defined(I2C1_SDA_USING_GPIO17)
    184. 

  184. #define I2C1_GPIO_SDA       GPIO_PIN_17
    185. 

  185. #elif defined(I2C1_SDA_USING_GPIO19)
    186. 

  186. #define I2C1_GPIO_SDA       GPIO_PIN_19
    187. 

  187. #elif defined(I2C1_SDA_USING_GPIO21)
    188. 

  188. #define I2C1_GPIO_SDA       GPIO_PIN_21
    189. 

  189. #elif defined(I2C1_SDA_USING_GPIO23)
    190. 

  190. #define I2C1_GPIO_SDA       GPIO_PIN_23
    191. 

  191. #elif defined(I2C1_SDA_USING_GPIO25)
    192. 

  192. #define I2C1_GPIO_SDA       GPIO_PIN_25
    193. 

  193. #elif defined(I2C1_SDA_USING_GPIO27)
    194. 

  194. #define I2C1_GPIO_SDA       GPIO_PIN_27
    195. 

  195. #elif defined(I2C1_SDA_USING_GPIO29)
    196. 

  196. #define I2C1_GPIO_SDA       GPIO_PIN_29
    197. 

  197. #elif defined(I2C1_SDA_USING_GPIO31)
    198. 

  198. #define I2C1_GPIO_SDA       GPIO_PIN_31
    199. 

  199. #elif defined(I2C1_SDA_USING_GPIO33)
    200. 

  200. #define I2C1_GPIO_SDA       GPIO_PIN_33
    201. 

  201. #elif defined(I2C1_SDA_USING_GPIO35)
    202. 

  202. #define I2C1_GPIO_SDA       GPIO_PIN_35
    203. 

  203. #elif defined(I2C1_SDA_USING_GPIO37)
    204. 

  204. #define I2C1_GPIO_SDA       GPIO_PIN_37
    205. 

  205. #elif defined(I2C1_SDA_USING_GPIO39)
    206. 

  206. #define I2C1_GPIO_SDA       GPIO_PIN_39
    207. 

  207. #elif defined(I2C1_SDA_USING_GPIO41)
    208. 

  208. #define I2C1_GPIO_SDA       GPIO_PIN_41
    209. 

  209. #elif defined(I2C1_SDA_USING_GPIO43)
    210. 

  210. #define I2C1_GPIO_SDA       GPIO_PIN_43
    211. 

  211. #elif defined(I2C1_SDA_USING_GPIO45)
    212. 

  212. #define I2C1_GPIO_SDA       GPIO_PIN_45
    213. 

  213. #endif
    214. 

  214. 

  215. // I2C2
    216. 

  216. #ifdef I2C2_SCL_USING_GPIO0
    217. 

  217. #define I2C2_GPIO_SCL       GPIO_PIN_0
    218. 

  218. #elif defined(I2C2_SCL_USING_GPIO2)
    219. 

  219. #define I2C2_GPIO_SCL       GPIO_PIN_2
    220. 

  220. #elif defined(I2C2_SCL_USING_GPIO4)
    221. 

  221. #define I2C2_GPIO_SCL       GPIO_PIN_4
    222. 

  222. #elif defined(I2C2_SCL_USING_GPIO6)
    223. 

  223. #define I2C2_GPIO_SCL       GPIO_PIN_6
    224. 

  224. #elif defined(I2C2_SCL_USING_GPIO8)
    225. 

  225. #define I2C2_GPIO_SCL       GPIO_PIN_8
    226. 

  226. #elif defined(I2C2_SCL_USING_GPIO10)
    227. 

  227. #define I2C2_GPIO_SCL       GPIO_PIN_4
    228. 

  228. #elif defined(I2C2_SCL_USING_GPIO12)
    229. 

  229. #define I2C2_GPIO_SCL       GPIO_PIN_12
    230. 

  230. #elif defined(I2C2_SCL_USING_GPIO14)
    231. 

  231. #define I2C2_GPIO_SCL       GPIO_PIN_14
    232. 

  232. #elif defined(I2C2_SCL_USING_GPIO16)
    233. 

  233. #define I2C2_GPIO_SCL       GPIO_PIN_16
    234. 

  234. #elif defined(I2C2_SCL_USING_GPIO18)
    235. 

  235. #define I2C2_GPIO_SCL       GPIO_PIN_18
    236. 

  236. #elif defined(I2C2_SCL_USING_GPIO20)
    237. 

  237. #define I2C2_GPIO_SCL       GPIO_PIN_20
    238. 

  238. #elif defined(I2C2_SCL_USING_GPIO22)
    239. 

  239. #define I2C2_GPIO_SCL       GPIO_PIN_22
    240. 

  240. #elif defined(I2C2_SCL_USING_GPIO24)
    241. 

  241. #define I2C2_GPIO_SCL       GPIO_PIN_24
    242. 

  242. #elif defined(I2C2_SCL_USING_GPIO26)
    243. 

  243. #define I2C2_GPIO_SCL       GPIO_PIN_26
    244. 

  244. #elif defined(I2C2_SCL_USING_GPIO28)
    245. 

  245. #define I2C2_GPIO_SCL       GPIO_PIN_28
    246. 

  246. #elif defined(I2C2_SCL_USING_GPIO30)
    247. 

  247. #define I2C2_GPIO_SCL       GPIO_PIN_30
    248. 

  248. #elif defined(I2C2_SCL_USING_GPIO32)
    249. 

  249. #define I2C2_GPIO_SCL       GPIO_PIN_32
    250. 

  250. #elif defined(I2C2_SCL_USING_GPIO34)
    251. 

  251. #define I2C2_GPIO_SCL       GPIO_PIN_34
    252. 

  252. #elif defined(I2C2_SCL_USING_GPIO36)
    253. 

  253. #define I2C2_GPIO_SCL       GPIO_PIN_36
    254. 

  254. #elif defined(I2C2_SCL_USING_GPIO38)
    255. 

  255. #define I2C2_GPIO_SCL       GPIO_PIN_38
    256. 

  256. #elif defined(I2C2_SCL_USING_GPIO40)
    257. 

  257. #define I2C2_GPIO_SCL       GPIO_PIN_40
    258. 

  258. #elif defined(I2C2_SCL_USING_GPIO42)
    259. 

  259. #define I2C2_GPIO_SCL       GPIO_PIN_42
    260. 

  260. #elif defined(I2C2_SCL_USING_GPIO44)
    261. 

  261. #define I2C2_GPIO_SCL       GPIO_PIN_44
    262. 

  262. #endif
    263. 

  263. 

  264. #ifdef I2C2_SDA_USING_GPIO26
    265. 

  265. #define I2C2_GPIO_SDA       GPIO_PIN_1
    266. 

  266. #elif defined(I2C2_SDA_USING_GPIO3)
    267. 

  267. #define I2C2_GPIO_SDA       GPIO_PIN_3
    268. 

  268. #elif defined(I2C2_SDA_USING_GPIO5)
    269. 

  269. #define I2C2_GPIO_SDA       GPIO_PIN_5
    270. 

  270. #elif defined(I2C2_SDA_USING_GPIO7)
    271. 

  271. #define I2C2_GPIO_SDA       GPIO_PIN_7
    272. 

  272. #elif defined(I2C2_SDA_USING_GPIO9)
    273. 

  273. #define I2C2_GPIO_SDA       GPIO_PIN_9
    274. 

  274. #elif defined(I2C2_SDA_USING_GPIO11)
    275. 

  275. #define I2C2_GPIO_SDA       GPIO_PIN_11
    276. 

  276. #elif defined(I2C2_SDA_USING_GPIO13)
    277. 

  277. #define I2C2_GPIO_SDA       GPIO_PIN_13
    278. 

  278. #elif defined(I2C2_SDA_USING_GPIO15)
    279. 

  279. #define I2C2_GPIO_SDA       GPIO_PIN_15
    280. 

  280. #elif defined(I2C2_SDA_USING_GPIO17)
    281. 

  281. #define I2C2_GPIO_SDA       GPIO_PIN_17
    282. 

  282. #elif defined(I2C2_SDA_USING_GPIO19)
    283. 

  283. #define I2C2_GPIO_SDA       GPIO_PIN_19
    284. 

  284. #elif defined(I2C2_SDA_USING_GPIO21)
    285. 

  285. #define I2C2_GPIO_SDA       GPIO_PIN_21
    286. 

  286. #elif defined(I2C2_SDA_USING_GPIO23)
    287. 

  287. #define I2C2_GPIO_SDA       GPIO_PIN_23
    288. 

  288. #elif defined(I2C2_SDA_USING_GPIO25)
    289. 

  289. #define I2C2_GPIO_SDA       GPIO_PIN_25
    290. 

  290. #elif defined(I2C2_SDA_USING_GPIO27)
    291. 

  291. #define I2C2_GPIO_SDA       GPIO_PIN_27
    292. 

  292. #elif defined(I2C2_SDA_USING_GPIO29)
    293. 

  293. #define I2C2_GPIO_SDA       GPIO_PIN_29
    294. 

  294. #elif defined(I2C2_SDA_USING_GPIO31)
    295. 

  295. #define I2C2_GPIO_SDA       GPIO_PIN_31
    296. 

  296. #elif defined(I2C2_SDA_USING_GPIO33)
    297. 

  297. #define I2C2_GPIO_SDA       GPIO_PIN_33
    298. 

  298. #elif defined(I2C2_SDA_USING_GPIO35)
    299. 

  299. #define I2C2_GPIO_SDA       GPIO_PIN_35
    300. 

  300. #elif defined(I2C2_SDA_USING_GPIO37)
    301. 

  301. #define I2C2_GPIO_SDA       GPIO_PIN_37
    302. 

  302. #elif defined(I2C2_SDA_USING_GPIO39)
    303. 

  303. #define I2C2_GPIO_SDA       GPIO_PIN_39
    304. 

  304. #elif defined(I2C2_SDA_USING_GPIO41)
    305. 

  305. #define I2C2_GPIO_SDA       GPIO_PIN_41
    306. 

  306. #elif defined(I2C2_SDA_USING_GPIO43)
    307. 

  307. #define I2C2_GPIO_SDA       GPIO_PIN_43
    308. 

  308. #elif defined(I2C2_SDA_USING_GPIO45)
    309. 

  309. #define I2C2_GPIO_SDA       GPIO_PIN_45
    310. 

  310. #endif
    311. 

  311. 

  312. // I2C3
    313. 

  313. #ifdef I2C3_SCL_USING_GPIO0
    314. 

  314. #define I2C3_GPIO_SCL       GPIO_PIN_0
    315. 

  315. #elif defined(I2C3_SCL_USING_GPIO2)
    316. 

  316. #define I2C3_GPIO_SCL       GPIO_PIN_2
    317. 

  317. #elif defined(I2C3_SCL_USING_GPIO4)
    318. 

  318. #define I2C3_GPIO_SCL       GPIO_PIN_4
    319. 

  319. #elif defined(I2C3_SCL_USING_GPIO6)
    320. 

  320. #define I2C3_GPIO_SCL       GPIO_PIN_6
    321. 

  321. #elif defined(I2C3_SCL_USING_GPIO8)
    322. 

  322. #define I2C3_GPIO_SCL       GPIO_PIN_8
    323. 

  323. #elif defined(I2C3_SCL_USING_GPIO10)
    324. 

  324. #define I2C3_GPIO_SCL       GPIO_PIN_4
    325. 

  325. #elif defined(I2C3_SCL_USING_GPIO12)
    326. 

  326. #define I2C3_GPIO_SCL       GPIO_PIN_12
    327. 

  327. #elif defined(I2C3_SCL_USING_GPIO14)
    328. 

  328. #define I2C3_GPIO_SCL       GPIO_PIN_14
    329. 

  329. #elif defined(I2C3_SCL_USING_GPIO16)
    330. 

  330. #define I2C3_GPIO_SCL       GPIO_PIN_16
    331. 

  331. #elif defined(I2C3_SCL_USING_GPIO18)
    332. 

  332. #define I2C3_GPIO_SCL       GPIO_PIN_18
    333. 

  333. #elif defined(I2C3_SCL_USING_GPIO20)
    334. 

  334. #define I2C3_GPIO_SCL       GPIO_PIN_20
    335. 

  335. #elif defined(I2C3_SCL_USING_GPIO22)
    336. 

  336. #define I2C3_GPIO_SCL       GPIO_PIN_22
    337. 

  337. #elif defined(I2C3_SCL_USING_GPIO24)
    338. 

  338. #define I2C3_GPIO_SCL       GPIO_PIN_24
    339. 

  339. #elif defined(I2C3_SCL_USING_GPIO26)
    340. 

  340. #define I2C3_GPIO_SCL       GPIO_PIN_26
    341. 

  341. #elif defined(I2C3_SCL_USING_GPIO28)
    342. 

  342. #define I2C3_GPIO_SCL       GPIO_PIN_28
    343. 

  343. #elif defined(I2C3_SCL_USING_GPIO30)
    344. 

  344. #define I2C3_GPIO_SCL       GPIO_PIN_30
    345. 

  345. #elif defined(I2C3_SCL_USING_GPIO32)
    346. 

  346. #define I2C3_GPIO_SCL       GPIO_PIN_32
    347. 

  347. #elif defined(I2C3_SCL_USING_GPIO34)
    348. 

  348. #define I2C3_GPIO_SCL       GPIO_PIN_34
    349. 

  349. #elif defined(I2C3_SCL_USING_GPIO36)
    350. 

  350. #define I2C3_GPIO_SCL       GPIO_PIN_36
    351. 

  351. #elif defined(I2C3_SCL_USING_GPIO38)
    352. 

  352. #define I2C3_GPIO_SCL       GPIO_PIN_38
    353. 

  353. #elif defined(I2C3_SCL_USING_GPIO40)
    354. 

  354. #define I2C3_GPIO_SCL       GPIO_PIN_40
    355. 

  355. #elif defined(I2C3_SCL_USING_GPIO42)
    356. 

  356. #define I2C3_GPIO_SCL       GPIO_PIN_42
    357. 

  357. #elif defined(I2C3_SCL_USING_GPIO44)
    358. 

  358. #define I2C3_GPIO_SCL       GPIO_PIN_44
    359. 

  359. #endif
    360. 

  360. 

  361. #ifdef I2C3_SDA_USING_GPIO1
    362. 

  362. #define I2C3_GPIO_SDA       GPIO_PIN_1
    363. 

  363. #elif defined(I2C3_SDA_USING_GPIO3)
    364. 

  364. #define I2C3_GPIO_SDA       GPIO_PIN_3
    365. 

  365. #elif defined(I2C3_SDA_USING_GPIO5)
    366. 

  366. #define I2C3_GPIO_SDA       GPIO_PIN_5
    367. 

  367. #elif defined(I2C3_SDA_USING_GPIO7)
    368. 

  368. #define I2C3_GPIO_SDA       GPIO_PIN_7
    369. 

  369. #elif defined(I2C3_SDA_USING_GPIO9)
    370. 

  370. #define I2C3_GPIO_SDA       GPIO_PIN_9
    371. 

  371. #elif defined(I2C3_SDA_USING_GPIO11)
    372. 

  372. #define I2C3_GPIO_SDA       GPIO_PIN_11
    373. 

  373. #elif defined(I2C3_SDA_USING_GPIO13)
    374. 

  374. #define I2C3_GPIO_SDA       GPIO_PIN_13
    375. 

  375. #elif defined(I2C3_SDA_USING_GPIO15)
    376. 

  376. #define I2C3_GPIO_SDA       GPIO_PIN_15
    377. 

  377. #elif defined(I2C3_SDA_USING_GPIO17)
    378. 

  378. #define I2C3_GPIO_SDA       GPIO_PIN_17
    379. 

  379. #elif defined(I2C3_SDA_USING_GPIO19)
    380. 

  380. #define I2C3_GPIO_SDA       GPIO_PIN_19
    381. 

  381. #elif defined(I2C3_SDA_USING_GPIO21)
    382. 

  382. #define I2C3_GPIO_SDA       GPIO_PIN_21
    383. 

  383. #elif defined(I2C3_SDA_USING_GPIO23)
    384. 

  384. #define I2C3_GPIO_SDA       GPIO_PIN_23
    385. 

  385. #elif defined(I2C3_SDA_USING_GPIO25)
    386. 

  386. #define I2C3_GPIO_SDA       GPIO_PIN_25
    387. 

  387. #elif defined(I2C3_SDA_USING_GPIO27)
    388. 

  388. #define I2C3_GPIO_SDA       GPIO_PIN_27
    389. 

  389. #elif defined(I2C3_SDA_USING_GPIO29)
    390. 

  390. #define I2C3_GPIO_SDA       GPIO_PIN_29
    391. 

  391. #elif defined(I2C3_SDA_USING_GPIO31)
    392. 

  392. #define I2C3_GPIO_SDA       GPIO_PIN_31
    393. 

  393. #elif defined(I2C3_SDA_USING_GPIO33)
    394. 

  394. #define I2C3_GPIO_SDA       GPIO_PIN_33
    395. 

  395. #elif defined(I2C3_SDA_USING_GPIO35)
    396. 

  396. #define I2C3_GPIO_SDA       GPIO_PIN_35
    397. 

  397. #elif defined(I2C3_SDA_USING_GPIO37)
    398. 

  398. #define I2C3_GPIO_SDA       GPIO_PIN_37
    399. 

  399. #elif defined(I2C3_SDA_USING_GPIO39)
    400. 

  400. #define I2C3_GPIO_SDA       GPIO_PIN_39
    401. 

  401. #elif defined(I2C3_SDA_USING_GPIO41)
    402. 

  402. #define I2C3_GPIO_SDA       GPIO_PIN_41
    403. 

  403. #elif defined(I2C3_SDA_USING_GPIO43)
    404. 

  404. #define I2C3_GPIO_SDA       GPIO_PIN_43
    405. 

  405. #elif defined(I2C3_SDA_USING_GPIO45)
    406. 

  406. #define I2C3_GPIO_SDA       GPIO_PIN_45
    407. 

  407. #endif
    408. 

  408. 

  409. int rt_hw_i2c_init(void);
    410. 

  410. 

  411. #endif /* __DRV_I2C_H__ */
    412.