drv_gpio.c 23 KB

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  1. /*
  2. * Copyright (c) 2006-2018, RT-Thread Development Team
  3. *
  4. * SPDX-License-Identifier: Apache-2.0
  5. *
  6. * Change Logs:
  7. * Date Author Notes
  8. * 2018-11-06 balanceTWK first version
  9. * 2019-04-23 WillianChan Fix GPIO serial number disorder
  10. * 2020-06-16 thread-liu add STM32MP1
  11. */
  12. #include <board.h>
  13. #include "drv_gpio.h"
  14. #ifdef RT_USING_PIN
  15. static const struct pin_index pins[] =
  16. {
  17. #if defined(GPIOA)
  18. __STM32_PIN(0 , A, 0 ),
  19. __STM32_PIN(1 , A, 1 ),
  20. __STM32_PIN(2 , A, 2 ),
  21. __STM32_PIN(3 , A, 3 ),
  22. __STM32_PIN(4 , A, 4 ),
  23. __STM32_PIN(5 , A, 5 ),
  24. __STM32_PIN(6 , A, 6 ),
  25. __STM32_PIN(7 , A, 7 ),
  26. __STM32_PIN(8 , A, 8 ),
  27. __STM32_PIN(9 , A, 9 ),
  28. __STM32_PIN(10, A, 10),
  29. __STM32_PIN(11, A, 11),
  30. __STM32_PIN(12, A, 12),
  31. __STM32_PIN(13, A, 13),
  32. __STM32_PIN(14, A, 14),
  33. __STM32_PIN(15, A, 15),
  34. #if defined(GPIOB)
  35. __STM32_PIN(16, B, 0),
  36. __STM32_PIN(17, B, 1),
  37. __STM32_PIN(18, B, 2),
  38. __STM32_PIN(19, B, 3),
  39. __STM32_PIN(20, B, 4),
  40. __STM32_PIN(21, B, 5),
  41. __STM32_PIN(22, B, 6),
  42. __STM32_PIN(23, B, 7),
  43. __STM32_PIN(24, B, 8),
  44. __STM32_PIN(25, B, 9),
  45. __STM32_PIN(26, B, 10),
  46. __STM32_PIN(27, B, 11),
  47. __STM32_PIN(28, B, 12),
  48. __STM32_PIN(29, B, 13),
  49. __STM32_PIN(30, B, 14),
  50. __STM32_PIN(31, B, 15),
  51. #if defined(GPIOC)
  52. __STM32_PIN(32, C, 0),
  53. __STM32_PIN(33, C, 1),
  54. __STM32_PIN(34, C, 2),
  55. __STM32_PIN(35, C, 3),
  56. __STM32_PIN(36, C, 4),
  57. __STM32_PIN(37, C, 5),
  58. __STM32_PIN(38, C, 6),
  59. __STM32_PIN(39, C, 7),
  60. __STM32_PIN(40, C, 8),
  61. __STM32_PIN(41, C, 9),
  62. __STM32_PIN(42, C, 10),
  63. __STM32_PIN(43, C, 11),
  64. __STM32_PIN(44, C, 12),
  65. __STM32_PIN(45, C, 13),
  66. __STM32_PIN(46, C, 14),
  67. __STM32_PIN(47, C, 15),
  68. #if defined(GPIOD)
  69. __STM32_PIN(48, D, 0),
  70. __STM32_PIN(49, D, 1),
  71. __STM32_PIN(50, D, 2),
  72. __STM32_PIN(51, D, 3),
  73. __STM32_PIN(52, D, 4),
  74. __STM32_PIN(53, D, 5),
  75. __STM32_PIN(54, D, 6),
  76. __STM32_PIN(55, D, 7),
  77. __STM32_PIN(56, D, 8),
  78. __STM32_PIN(57, D, 9),
  79. __STM32_PIN(58, D, 10),
  80. __STM32_PIN(59, D, 11),
  81. __STM32_PIN(60, D, 12),
  82. __STM32_PIN(61, D, 13),
  83. __STM32_PIN(62, D, 14),
  84. __STM32_PIN(63, D, 15),
  85. #if defined(GPIOE)
  86. __STM32_PIN(64, E, 0),
  87. __STM32_PIN(65, E, 1),
  88. __STM32_PIN(66, E, 2),
  89. __STM32_PIN(67, E, 3),
  90. __STM32_PIN(68, E, 4),
  91. __STM32_PIN(69, E, 5),
  92. __STM32_PIN(70, E, 6),
  93. __STM32_PIN(71, E, 7),
  94. __STM32_PIN(72, E, 8),
  95. __STM32_PIN(73, E, 9),
  96. __STM32_PIN(74, E, 10),
  97. __STM32_PIN(75, E, 11),
  98. __STM32_PIN(76, E, 12),
  99. __STM32_PIN(77, E, 13),
  100. __STM32_PIN(78, E, 14),
  101. __STM32_PIN(79, E, 15),
  102. #if defined(GPIOF)
  103. __STM32_PIN(80, F, 0),
  104. __STM32_PIN(81, F, 1),
  105. __STM32_PIN(82, F, 2),
  106. __STM32_PIN(83, F, 3),
  107. __STM32_PIN(84, F, 4),
  108. __STM32_PIN(85, F, 5),
  109. __STM32_PIN(86, F, 6),
  110. __STM32_PIN(87, F, 7),
  111. __STM32_PIN(88, F, 8),
  112. __STM32_PIN(89, F, 9),
  113. __STM32_PIN(90, F, 10),
  114. __STM32_PIN(91, F, 11),
  115. __STM32_PIN(92, F, 12),
  116. __STM32_PIN(93, F, 13),
  117. __STM32_PIN(94, F, 14),
  118. __STM32_PIN(95, F, 15),
  119. #if defined(GPIOG)
  120. __STM32_PIN(96, G, 0),
  121. __STM32_PIN(97, G, 1),
  122. __STM32_PIN(98, G, 2),
  123. __STM32_PIN(99, G, 3),
  124. __STM32_PIN(100, G, 4),
  125. __STM32_PIN(101, G, 5),
  126. __STM32_PIN(102, G, 6),
  127. __STM32_PIN(103, G, 7),
  128. __STM32_PIN(104, G, 8),
  129. __STM32_PIN(105, G, 9),
  130. __STM32_PIN(106, G, 10),
  131. __STM32_PIN(107, G, 11),
  132. __STM32_PIN(108, G, 12),
  133. __STM32_PIN(109, G, 13),
  134. __STM32_PIN(110, G, 14),
  135. __STM32_PIN(111, G, 15),
  136. #if defined(GPIOH)
  137. __STM32_PIN(112, H, 0),
  138. __STM32_PIN(113, H, 1),
  139. __STM32_PIN(114, H, 2),
  140. __STM32_PIN(115, H, 3),
  141. __STM32_PIN(116, H, 4),
  142. __STM32_PIN(117, H, 5),
  143. __STM32_PIN(118, H, 6),
  144. __STM32_PIN(119, H, 7),
  145. __STM32_PIN(120, H, 8),
  146. __STM32_PIN(121, H, 9),
  147. __STM32_PIN(122, H, 10),
  148. __STM32_PIN(123, H, 11),
  149. __STM32_PIN(124, H, 12),
  150. __STM32_PIN(125, H, 13),
  151. __STM32_PIN(126, H, 14),
  152. __STM32_PIN(127, H, 15),
  153. #if defined(GPIOI)
  154. __STM32_PIN(128, I, 0),
  155. __STM32_PIN(129, I, 1),
  156. __STM32_PIN(130, I, 2),
  157. __STM32_PIN(131, I, 3),
  158. __STM32_PIN(132, I, 4),
  159. __STM32_PIN(133, I, 5),
  160. __STM32_PIN(134, I, 6),
  161. __STM32_PIN(135, I, 7),
  162. __STM32_PIN(136, I, 8),
  163. __STM32_PIN(137, I, 9),
  164. __STM32_PIN(138, I, 10),
  165. __STM32_PIN(139, I, 11),
  166. __STM32_PIN(140, I, 12),
  167. __STM32_PIN(141, I, 13),
  168. __STM32_PIN(142, I, 14),
  169. __STM32_PIN(143, I, 15),
  170. #if defined(GPIOJ)
  171. __STM32_PIN(144, J, 0),
  172. __STM32_PIN(145, J, 1),
  173. __STM32_PIN(146, J, 2),
  174. __STM32_PIN(147, J, 3),
  175. __STM32_PIN(148, J, 4),
  176. __STM32_PIN(149, J, 5),
  177. __STM32_PIN(150, J, 6),
  178. __STM32_PIN(151, J, 7),
  179. __STM32_PIN(152, J, 8),
  180. __STM32_PIN(153, J, 9),
  181. __STM32_PIN(154, J, 10),
  182. __STM32_PIN(155, J, 11),
  183. __STM32_PIN(156, J, 12),
  184. __STM32_PIN(157, J, 13),
  185. __STM32_PIN(158, J, 14),
  186. __STM32_PIN(159, J, 15),
  187. #if defined(GPIOK)
  188. __STM32_PIN(160, K, 0),
  189. __STM32_PIN(161, K, 1),
  190. __STM32_PIN(162, K, 2),
  191. __STM32_PIN(163, K, 3),
  192. __STM32_PIN(164, K, 4),
  193. __STM32_PIN(165, K, 5),
  194. __STM32_PIN(166, K, 6),
  195. __STM32_PIN(167, K, 7),
  196. __STM32_PIN(168, K, 8),
  197. __STM32_PIN(169, K, 9),
  198. __STM32_PIN(170, K, 10),
  199. __STM32_PIN(171, K, 11),
  200. __STM32_PIN(172, K, 12),
  201. __STM32_PIN(173, K, 13),
  202. __STM32_PIN(174, K, 14),
  203. __STM32_PIN(175, K, 15),
  204. #endif /* defined(GPIOK) */
  205. #endif /* defined(GPIOJ) */
  206. #endif /* defined(GPIOI) */
  207. #endif /* defined(GPIOH) */
  208. #endif /* defined(GPIOG) */
  209. #endif /* defined(GPIOF) */
  210. #endif /* defined(GPIOE) */
  211. #endif /* defined(GPIOD) */
  212. #endif /* defined(GPIOC) */
  213. #endif /* defined(GPIOB) */
  214. #endif /* defined(GPIOA) */
  215. };
  216. static const struct pin_irq_map pin_irq_map[] =
  217. {
  218. #if defined(SOC_SERIES_STM32F0) || defined(SOC_SERIES_STM32L0) || defined(SOC_SERIES_STM32G0)
  219. {GPIO_PIN_0, EXTI0_1_IRQn},
  220. {GPIO_PIN_1, EXTI0_1_IRQn},
  221. {GPIO_PIN_2, EXTI2_3_IRQn},
  222. {GPIO_PIN_3, EXTI2_3_IRQn},
  223. {GPIO_PIN_4, EXTI4_15_IRQn},
  224. {GPIO_PIN_5, EXTI4_15_IRQn},
  225. {GPIO_PIN_6, EXTI4_15_IRQn},
  226. {GPIO_PIN_7, EXTI4_15_IRQn},
  227. {GPIO_PIN_8, EXTI4_15_IRQn},
  228. {GPIO_PIN_9, EXTI4_15_IRQn},
  229. {GPIO_PIN_10, EXTI4_15_IRQn},
  230. {GPIO_PIN_11, EXTI4_15_IRQn},
  231. {GPIO_PIN_12, EXTI4_15_IRQn},
  232. {GPIO_PIN_13, EXTI4_15_IRQn},
  233. {GPIO_PIN_14, EXTI4_15_IRQn},
  234. {GPIO_PIN_15, EXTI4_15_IRQn},
  235. #elif defined(SOC_SERIES_STM32MP1)
  236. {GPIO_PIN_0, EXTI0_IRQn},
  237. {GPIO_PIN_1, EXTI1_IRQn},
  238. {GPIO_PIN_2, EXTI2_IRQn},
  239. {GPIO_PIN_3, EXTI3_IRQn},
  240. {GPIO_PIN_4, EXTI4_IRQn},
  241. {GPIO_PIN_5, EXTI5_IRQn},
  242. {GPIO_PIN_6, EXTI6_IRQn},
  243. {GPIO_PIN_7, EXTI7_IRQn},
  244. {GPIO_PIN_8, EXTI8_IRQn},
  245. {GPIO_PIN_9, EXTI9_IRQn},
  246. {GPIO_PIN_10, EXTI10_IRQn},
  247. {GPIO_PIN_11, EXTI11_IRQn},
  248. {GPIO_PIN_12, EXTI12_IRQn},
  249. {GPIO_PIN_13, EXTI13_IRQn},
  250. {GPIO_PIN_14, EXTI14_IRQn},
  251. {GPIO_PIN_15, EXTI15_IRQn},
  252. #else
  253. {GPIO_PIN_0, EXTI0_IRQn},
  254. {GPIO_PIN_1, EXTI1_IRQn},
  255. {GPIO_PIN_2, EXTI2_IRQn},
  256. {GPIO_PIN_3, EXTI3_IRQn},
  257. {GPIO_PIN_4, EXTI4_IRQn},
  258. {GPIO_PIN_5, EXTI9_5_IRQn},
  259. {GPIO_PIN_6, EXTI9_5_IRQn},
  260. {GPIO_PIN_7, EXTI9_5_IRQn},
  261. {GPIO_PIN_8, EXTI9_5_IRQn},
  262. {GPIO_PIN_9, EXTI9_5_IRQn},
  263. {GPIO_PIN_10, EXTI15_10_IRQn},
  264. {GPIO_PIN_11, EXTI15_10_IRQn},
  265. {GPIO_PIN_12, EXTI15_10_IRQn},
  266. {GPIO_PIN_13, EXTI15_10_IRQn},
  267. {GPIO_PIN_14, EXTI15_10_IRQn},
  268. {GPIO_PIN_15, EXTI15_10_IRQn},
  269. #endif
  270. };
  271. static struct rt_pin_irq_hdr pin_irq_hdr_tab[] =
  272. {
  273. {-1, 0, RT_NULL, RT_NULL},
  274. {-1, 0, RT_NULL, RT_NULL},
  275. {-1, 0, RT_NULL, RT_NULL},
  276. {-1, 0, RT_NULL, RT_NULL},
  277. {-1, 0, RT_NULL, RT_NULL},
  278. {-1, 0, RT_NULL, RT_NULL},
  279. {-1, 0, RT_NULL, RT_NULL},
  280. {-1, 0, RT_NULL, RT_NULL},
  281. {-1, 0, RT_NULL, RT_NULL},
  282. {-1, 0, RT_NULL, RT_NULL},
  283. {-1, 0, RT_NULL, RT_NULL},
  284. {-1, 0, RT_NULL, RT_NULL},
  285. {-1, 0, RT_NULL, RT_NULL},
  286. {-1, 0, RT_NULL, RT_NULL},
  287. {-1, 0, RT_NULL, RT_NULL},
  288. {-1, 0, RT_NULL, RT_NULL},
  289. };
  290. static uint32_t pin_irq_enable_mask=0;
  291. #define ITEM_NUM(items) sizeof(items) / sizeof(items[0])
  292. static const struct pin_index *get_pin(uint8_t pin)
  293. {
  294. const struct pin_index *index;
  295. if (pin < ITEM_NUM(pins))
  296. {
  297. index = &pins[pin];
  298. if (index->index == -1)
  299. index = RT_NULL;
  300. }
  301. else
  302. {
  303. index = RT_NULL;
  304. }
  305. return index;
  306. };
  307. static rt_base_t stm32_pin_get(const char *name)
  308. {
  309. rt_base_t pin = 0;
  310. int hw_port_num, hw_pin_num = 0;
  311. int i, name_len = 1;
  312. int mul = 1;
  313. name_len = rt_strlen(name);
  314. if ((name_len < 4) || (name_len >= 6))
  315. {
  316. return -RT_EINVAL;
  317. }
  318. if ((name[0] != 'P') || (name[2] != '.'))
  319. {
  320. return -RT_EINVAL;
  321. }
  322. if ((name[1] >= 'A') && (name[1] <= 'Z'))
  323. {
  324. hw_port_num = (int)(name[1] - 'A');
  325. }
  326. else
  327. {
  328. return -RT_EINVAL;
  329. }
  330. for (i = name_len - 1; i > 2; i--)
  331. {
  332. hw_pin_num += ((int)(name[i] - '0') * mul);
  333. mul = mul * 10;
  334. }
  335. pin = 16 * hw_port_num + hw_pin_num;
  336. if (pin < ITEM_NUM(pins))
  337. {
  338. return pin;
  339. }
  340. else
  341. {
  342. return -RT_EINVAL;
  343. }
  344. }
  345. static void stm32_pin_write(rt_device_t dev, rt_base_t pin, rt_base_t value)
  346. {
  347. const struct pin_index *index;
  348. index = get_pin(pin);
  349. if (index == RT_NULL)
  350. {
  351. return;
  352. }
  353. HAL_GPIO_WritePin(index->gpio, index->pin, (GPIO_PinState)value);
  354. }
  355. static int stm32_pin_read(rt_device_t dev, rt_base_t pin)
  356. {
  357. int value;
  358. const struct pin_index *index;
  359. value = PIN_LOW;
  360. index = get_pin(pin);
  361. if (index == RT_NULL)
  362. {
  363. return value;
  364. }
  365. value = HAL_GPIO_ReadPin(index->gpio, index->pin);
  366. return value;
  367. }
  368. static void stm32_pin_mode(rt_device_t dev, rt_base_t pin, rt_base_t mode)
  369. {
  370. const struct pin_index *index;
  371. GPIO_InitTypeDef GPIO_InitStruct;
  372. index = get_pin(pin);
  373. if (index == RT_NULL)
  374. {
  375. return;
  376. }
  377. /* Configure GPIO_InitStructure */
  378. GPIO_InitStruct.Pin = index->pin;
  379. GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  380. GPIO_InitStruct.Pull = GPIO_NOPULL;
  381. GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
  382. if (mode == PIN_MODE_OUTPUT)
  383. {
  384. /* output setting */
  385. GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  386. GPIO_InitStruct.Pull = GPIO_NOPULL;
  387. }
  388. else if (mode == PIN_MODE_INPUT)
  389. {
  390. /* input setting: not pull. */
  391. GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
  392. GPIO_InitStruct.Pull = GPIO_NOPULL;
  393. }
  394. else if (mode == PIN_MODE_INPUT_PULLUP)
  395. {
  396. /* input setting: pull up. */
  397. GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
  398. GPIO_InitStruct.Pull = GPIO_PULLUP;
  399. }
  400. else if (mode == PIN_MODE_INPUT_PULLDOWN)
  401. {
  402. /* input setting: pull down. */
  403. GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
  404. GPIO_InitStruct.Pull = GPIO_PULLDOWN;
  405. }
  406. else if (mode == PIN_MODE_OUTPUT_OD)
  407. {
  408. /* output setting: od. */
  409. GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_OD;
  410. GPIO_InitStruct.Pull = GPIO_NOPULL;
  411. }
  412. HAL_GPIO_Init(index->gpio, &GPIO_InitStruct);
  413. }
  414. rt_inline rt_int32_t bit2bitno(rt_uint32_t bit)
  415. {
  416. int i;
  417. for (i = 0; i < 32; i++)
  418. {
  419. if ((0x01 << i) == bit)
  420. {
  421. return i;
  422. }
  423. }
  424. return -1;
  425. }
  426. rt_inline const struct pin_irq_map *get_pin_irq_map(uint32_t pinbit)
  427. {
  428. rt_int32_t mapindex = bit2bitno(pinbit);
  429. if (mapindex < 0 || mapindex >= ITEM_NUM(pin_irq_map))
  430. {
  431. return RT_NULL;
  432. }
  433. return &pin_irq_map[mapindex];
  434. };
  435. static rt_err_t stm32_pin_attach_irq(struct rt_device *device, rt_int32_t pin,
  436. rt_uint32_t mode, void (*hdr)(void *args), void *args)
  437. {
  438. const struct pin_index *index;
  439. rt_base_t level;
  440. rt_int32_t irqindex = -1;
  441. index = get_pin(pin);
  442. if (index == RT_NULL)
  443. {
  444. return RT_ENOSYS;
  445. }
  446. irqindex = bit2bitno(index->pin);
  447. if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
  448. {
  449. return RT_ENOSYS;
  450. }
  451. level = rt_hw_interrupt_disable();
  452. if (pin_irq_hdr_tab[irqindex].pin == pin &&
  453. pin_irq_hdr_tab[irqindex].hdr == hdr &&
  454. pin_irq_hdr_tab[irqindex].mode == mode &&
  455. pin_irq_hdr_tab[irqindex].args == args)
  456. {
  457. rt_hw_interrupt_enable(level);
  458. return RT_EOK;
  459. }
  460. if (pin_irq_hdr_tab[irqindex].pin != -1)
  461. {
  462. rt_hw_interrupt_enable(level);
  463. return RT_EBUSY;
  464. }
  465. pin_irq_hdr_tab[irqindex].pin = pin;
  466. pin_irq_hdr_tab[irqindex].hdr = hdr;
  467. pin_irq_hdr_tab[irqindex].mode = mode;
  468. pin_irq_hdr_tab[irqindex].args = args;
  469. rt_hw_interrupt_enable(level);
  470. return RT_EOK;
  471. }
  472. static rt_err_t stm32_pin_dettach_irq(struct rt_device *device, rt_int32_t pin)
  473. {
  474. const struct pin_index *index;
  475. rt_base_t level;
  476. rt_int32_t irqindex = -1;
  477. index = get_pin(pin);
  478. if (index == RT_NULL)
  479. {
  480. return RT_ENOSYS;
  481. }
  482. irqindex = bit2bitno(index->pin);
  483. if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
  484. {
  485. return RT_ENOSYS;
  486. }
  487. level = rt_hw_interrupt_disable();
  488. if (pin_irq_hdr_tab[irqindex].pin == -1)
  489. {
  490. rt_hw_interrupt_enable(level);
  491. return RT_EOK;
  492. }
  493. pin_irq_hdr_tab[irqindex].pin = -1;
  494. pin_irq_hdr_tab[irqindex].hdr = RT_NULL;
  495. pin_irq_hdr_tab[irqindex].mode = 0;
  496. pin_irq_hdr_tab[irqindex].args = RT_NULL;
  497. rt_hw_interrupt_enable(level);
  498. return RT_EOK;
  499. }
  500. static rt_err_t stm32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
  501. rt_uint32_t enabled)
  502. {
  503. const struct pin_index *index;
  504. const struct pin_irq_map *irqmap;
  505. rt_base_t level;
  506. rt_int32_t irqindex = -1;
  507. GPIO_InitTypeDef GPIO_InitStruct;
  508. index = get_pin(pin);
  509. if (index == RT_NULL)
  510. {
  511. return RT_ENOSYS;
  512. }
  513. if (enabled == PIN_IRQ_ENABLE)
  514. {
  515. irqindex = bit2bitno(index->pin);
  516. if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
  517. {
  518. return RT_ENOSYS;
  519. }
  520. level = rt_hw_interrupt_disable();
  521. if (pin_irq_hdr_tab[irqindex].pin == -1)
  522. {
  523. rt_hw_interrupt_enable(level);
  524. return RT_ENOSYS;
  525. }
  526. irqmap = &pin_irq_map[irqindex];
  527. /* Configure GPIO_InitStructure */
  528. GPIO_InitStruct.Pin = index->pin;
  529. GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
  530. switch (pin_irq_hdr_tab[irqindex].mode)
  531. {
  532. case PIN_IRQ_MODE_RISING:
  533. GPIO_InitStruct.Pull = GPIO_PULLDOWN;
  534. GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING;
  535. break;
  536. case PIN_IRQ_MODE_FALLING:
  537. GPIO_InitStruct.Pull = GPIO_PULLUP;
  538. GPIO_InitStruct.Mode = GPIO_MODE_IT_FALLING;
  539. break;
  540. case PIN_IRQ_MODE_RISING_FALLING:
  541. GPIO_InitStruct.Pull = GPIO_NOPULL;
  542. GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING_FALLING;
  543. break;
  544. }
  545. HAL_GPIO_Init(index->gpio, &GPIO_InitStruct);
  546. HAL_NVIC_SetPriority(irqmap->irqno, 5, 0);
  547. HAL_NVIC_EnableIRQ(irqmap->irqno);
  548. pin_irq_enable_mask |= irqmap->pinbit;
  549. rt_hw_interrupt_enable(level);
  550. }
  551. else if (enabled == PIN_IRQ_DISABLE)
  552. {
  553. irqmap = get_pin_irq_map(index->pin);
  554. if (irqmap == RT_NULL)
  555. {
  556. return RT_ENOSYS;
  557. }
  558. level = rt_hw_interrupt_disable();
  559. HAL_GPIO_DeInit(index->gpio, index->pin);
  560. pin_irq_enable_mask &= ~irqmap->pinbit;
  561. #if defined(SOC_SERIES_STM32F0) || defined(SOC_SERIES_STM32G0)
  562. if (( irqmap->pinbit>=GPIO_PIN_0 )&&( irqmap->pinbit<=GPIO_PIN_1 ))
  563. {
  564. if(!(pin_irq_enable_mask&(GPIO_PIN_0|GPIO_PIN_1)))
  565. {
  566. HAL_NVIC_DisableIRQ(irqmap->irqno);
  567. }
  568. }
  569. else if (( irqmap->pinbit>=GPIO_PIN_2 )&&( irqmap->pinbit<=GPIO_PIN_3 ))
  570. {
  571. if(!(pin_irq_enable_mask&(GPIO_PIN_2|GPIO_PIN_3)))
  572. {
  573. HAL_NVIC_DisableIRQ(irqmap->irqno);
  574. }
  575. }
  576. else if (( irqmap->pinbit>=GPIO_PIN_4 )&&( irqmap->pinbit<=GPIO_PIN_15 ))
  577. {
  578. if(!(pin_irq_enable_mask&(GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9|
  579. GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15)))
  580. {
  581. HAL_NVIC_DisableIRQ(irqmap->irqno);
  582. }
  583. }
  584. else
  585. {
  586. HAL_NVIC_DisableIRQ(irqmap->irqno);
  587. }
  588. #else
  589. if (( irqmap->pinbit>=GPIO_PIN_5 )&&( irqmap->pinbit<=GPIO_PIN_9 ))
  590. {
  591. if(!(pin_irq_enable_mask&(GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9)))
  592. {
  593. HAL_NVIC_DisableIRQ(irqmap->irqno);
  594. }
  595. }
  596. else if (( irqmap->pinbit>=GPIO_PIN_10 )&&( irqmap->pinbit<=GPIO_PIN_15 ))
  597. {
  598. if(!(pin_irq_enable_mask&(GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15)))
  599. {
  600. HAL_NVIC_DisableIRQ(irqmap->irqno);
  601. }
  602. }
  603. else
  604. {
  605. HAL_NVIC_DisableIRQ(irqmap->irqno);
  606. }
  607. #endif
  608. rt_hw_interrupt_enable(level);
  609. }
  610. else
  611. {
  612. return -RT_ENOSYS;
  613. }
  614. return RT_EOK;
  615. }
  616. const static struct rt_pin_ops _stm32_pin_ops =
  617. {
  618. stm32_pin_mode,
  619. stm32_pin_write,
  620. stm32_pin_read,
  621. stm32_pin_attach_irq,
  622. stm32_pin_dettach_irq,
  623. stm32_pin_irq_enable,
  624. stm32_pin_get,
  625. };
  626. rt_inline void pin_irq_hdr(int irqno)
  627. {
  628. if (pin_irq_hdr_tab[irqno].hdr)
  629. {
  630. pin_irq_hdr_tab[irqno].hdr(pin_irq_hdr_tab[irqno].args);
  631. }
  632. }
  633. #if defined(SOC_SERIES_STM32G0) || defined(SOC_SERIES_STM32MP1)
  634. void HAL_GPIO_EXTI_Rising_Callback(uint16_t GPIO_Pin)
  635. {
  636. pin_irq_hdr(bit2bitno(GPIO_Pin));
  637. }
  638. void HAL_GPIO_EXTI_Falling_Callback(uint16_t GPIO_Pin)
  639. {
  640. pin_irq_hdr(bit2bitno(GPIO_Pin));
  641. }
  642. #else
  643. void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
  644. {
  645. pin_irq_hdr(bit2bitno(GPIO_Pin));
  646. }
  647. #endif
  648. #if defined(SOC_SERIES_STM32F0) || defined(SOC_SERIES_STM32G0) || defined(SOC_SERIES_STM32L0)
  649. void EXTI0_1_IRQHandler(void)
  650. {
  651. rt_interrupt_enter();
  652. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_0);
  653. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_1);
  654. rt_interrupt_leave();
  655. }
  656. void EXTI2_3_IRQHandler(void)
  657. {
  658. rt_interrupt_enter();
  659. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_2);
  660. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_3);
  661. rt_interrupt_leave();
  662. }
  663. void EXTI4_15_IRQHandler(void)
  664. {
  665. rt_interrupt_enter();
  666. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_4);
  667. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_5);
  668. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_6);
  669. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_7);
  670. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_8);
  671. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_9);
  672. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_10);
  673. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_11);
  674. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_12);
  675. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_13);
  676. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_14);
  677. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_15);
  678. rt_interrupt_leave();
  679. }
  680. #elif defined(SOC_STM32MP157A)
  681. void EXTI0_IRQHandler(void) {
  682. rt_interrupt_enter();
  683. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_0);
  684. rt_interrupt_leave();
  685. }
  686. void EXTI1_IRQHandler(void) {
  687. rt_interrupt_enter();
  688. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_1);
  689. rt_interrupt_leave();
  690. }
  691. void EXTI2_IRQHandler(void) {
  692. rt_interrupt_enter();
  693. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_2);
  694. rt_interrupt_leave();
  695. }
  696. void EXTI3_IRQHandler(void) {
  697. rt_interrupt_enter();
  698. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_3);
  699. rt_interrupt_leave();
  700. }
  701. void EXTI4_IRQHandler(void) {
  702. rt_interrupt_enter();
  703. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_4);
  704. rt_interrupt_leave();
  705. }
  706. void EXTI5_IRQHandler(void) {
  707. rt_interrupt_enter();
  708. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_5);
  709. rt_interrupt_leave();
  710. }
  711. void EXTI6_IRQHandler(void) {
  712. rt_interrupt_enter();
  713. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_6);
  714. rt_interrupt_leave();
  715. }
  716. void EXTI7_IRQHandler(void) {
  717. rt_interrupt_enter();
  718. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_7);
  719. rt_interrupt_leave();
  720. }
  721. void EXTI8_IRQHandler(void) {
  722. rt_interrupt_enter();
  723. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_8);
  724. rt_interrupt_leave();
  725. }
  726. void EXTI9_IRQHandler(void) {
  727. rt_interrupt_enter();
  728. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_9);
  729. rt_interrupt_leave();
  730. }
  731. void EXTI10_IRQHandler(void) {
  732. rt_interrupt_enter();
  733. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_10);
  734. rt_interrupt_leave();
  735. }
  736. void EXTI11_IRQHandler(void) {
  737. rt_interrupt_enter();
  738. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_11);
  739. rt_interrupt_leave();
  740. }
  741. void EXTI12_IRQHandler(void) {
  742. rt_interrupt_enter();
  743. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_12);
  744. rt_interrupt_leave();
  745. }
  746. void EXTI13_IRQHandler(void) {
  747. rt_interrupt_enter();
  748. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_13);
  749. rt_interrupt_leave();
  750. }
  751. void EXTI14_IRQHandler(void) {
  752. rt_interrupt_enter();
  753. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_14);
  754. rt_interrupt_leave();
  755. }
  756. void EXTI15_IRQHandler(void) {
  757. rt_interrupt_enter();
  758. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_15);
  759. rt_interrupt_leave();
  760. }
  761. #else
  762. void EXTI0_IRQHandler(void)
  763. {
  764. rt_interrupt_enter();
  765. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_0);
  766. rt_interrupt_leave();
  767. }
  768. void EXTI1_IRQHandler(void)
  769. {
  770. rt_interrupt_enter();
  771. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_1);
  772. rt_interrupt_leave();
  773. }
  774. void EXTI2_IRQHandler(void)
  775. {
  776. rt_interrupt_enter();
  777. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_2);
  778. rt_interrupt_leave();
  779. }
  780. void EXTI3_IRQHandler(void)
  781. {
  782. rt_interrupt_enter();
  783. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_3);
  784. rt_interrupt_leave();
  785. }
  786. void EXTI4_IRQHandler(void)
  787. {
  788. rt_interrupt_enter();
  789. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_4);
  790. rt_interrupt_leave();
  791. }
  792. void EXTI9_5_IRQHandler(void)
  793. {
  794. rt_interrupt_enter();
  795. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_5);
  796. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_6);
  797. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_7);
  798. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_8);
  799. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_9);
  800. rt_interrupt_leave();
  801. }
  802. void EXTI15_10_IRQHandler(void)
  803. {
  804. rt_interrupt_enter();
  805. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_10);
  806. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_11);
  807. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_12);
  808. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_13);
  809. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_14);
  810. HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_15);
  811. rt_interrupt_leave();
  812. }
  813. #endif
  814. int rt_hw_pin_init(void)
  815. {
  816. #if defined(__HAL_RCC_GPIOA_CLK_ENABLE)
  817. __HAL_RCC_GPIOA_CLK_ENABLE();
  818. #endif
  819. #if defined(__HAL_RCC_GPIOB_CLK_ENABLE)
  820. __HAL_RCC_GPIOB_CLK_ENABLE();
  821. #endif
  822. #if defined(__HAL_RCC_GPIOC_CLK_ENABLE)
  823. __HAL_RCC_GPIOC_CLK_ENABLE();
  824. #endif
  825. #if defined(__HAL_RCC_GPIOD_CLK_ENABLE)
  826. __HAL_RCC_GPIOD_CLK_ENABLE();
  827. #endif
  828. #if defined(__HAL_RCC_GPIOE_CLK_ENABLE)
  829. __HAL_RCC_GPIOE_CLK_ENABLE();
  830. #endif
  831. #if defined(__HAL_RCC_GPIOF_CLK_ENABLE)
  832. __HAL_RCC_GPIOF_CLK_ENABLE();
  833. #endif
  834. #if defined(__HAL_RCC_GPIOG_CLK_ENABLE)
  835. #ifdef SOC_SERIES_STM32L4
  836. HAL_PWREx_EnableVddIO2();
  837. #endif
  838. __HAL_RCC_GPIOG_CLK_ENABLE();
  839. #endif
  840. #if defined(__HAL_RCC_GPIOH_CLK_ENABLE)
  841. __HAL_RCC_GPIOH_CLK_ENABLE();
  842. #endif
  843. #if defined(__HAL_RCC_GPIOI_CLK_ENABLE)
  844. __HAL_RCC_GPIOI_CLK_ENABLE();
  845. #endif
  846. #if defined(__HAL_RCC_GPIOJ_CLK_ENABLE)
  847. __HAL_RCC_GPIOJ_CLK_ENABLE();
  848. #endif
  849. #if defined(__HAL_RCC_GPIOK_CLK_ENABLE)
  850. __HAL_RCC_GPIOK_CLK_ENABLE();
  851. #endif
  852. return rt_device_pin_register("pin", &_stm32_pin_ops, RT_NULL);
  853. }
  854. #endif /* RT_USING_PIN */