stm32l4xx_hal_msp.c 16 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623
  1. /* USER CODE BEGIN Header */
  2. /**
  3. ******************************************************************************
  4. * File Name : stm32l4xx_hal_msp.c
  5. * Description : This file provides code for the MSP Initialization
  6. * and de-Initialization codes.
  7. ******************************************************************************
  8. ** This notice applies to any and all portions of this file
  9. * that are not between comment pairs USER CODE BEGIN and
  10. * USER CODE END. Other portions of this file, whether
  11. * inserted by the user or by software development tools
  12. * are owned by their respective copyright owners.
  13. *
  14. * COPYRIGHT(c) 2018 STMicroelectronics
  15. *
  16. * Redistribution and use in source and binary forms, with or without modification,
  17. * are permitted provided that the following conditions are met:
  18. * 1. Redistributions of source code must retain the above copyright notice,
  19. * this list of conditions and the following disclaimer.
  20. * 2. Redistributions in binary form must reproduce the above copyright notice,
  21. * this list of conditions and the following disclaimer in the documentation
  22. * and/or other materials provided with the distribution.
  23. * 3. Neither the name of STMicroelectronics nor the names of its contributors
  24. * may be used to endorse or promote products derived from this software
  25. * without specific prior written permission.
  26. *
  27. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  28. * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  29. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  30. * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  31. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  32. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  33. * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  34. * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  35. * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  36. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  37. *
  38. ******************************************************************************
  39. */
  40. /* USER CODE END Header */
  41. /* Includes ------------------------------------------------------------------*/
  42. #include "main.h"
  43. /* USER CODE BEGIN Includes */
  44. /* USER CODE END Includes */
  45. /* Private typedef -----------------------------------------------------------*/
  46. /* USER CODE BEGIN TD */
  47. /* USER CODE END TD */
  48. /* Private define ------------------------------------------------------------*/
  49. /* USER CODE BEGIN Define */
  50. /* USER CODE END Define */
  51. /* Private macro -------------------------------------------------------------*/
  52. /* USER CODE BEGIN Macro */
  53. /* USER CODE END Macro */
  54. /* Private variables ---------------------------------------------------------*/
  55. /* USER CODE BEGIN PV */
  56. /* USER CODE END PV */
  57. /* Private function prototypes -----------------------------------------------*/
  58. /* USER CODE BEGIN PFP */
  59. /* USER CODE END PFP */
  60. /* External functions --------------------------------------------------------*/
  61. /* USER CODE BEGIN ExternalFunctions */
  62. /* USER CODE END ExternalFunctions */
  63. /* USER CODE BEGIN 0 */
  64. /* USER CODE END 0 */
  65. /**
  66. * Initializes the Global MSP.
  67. */
  68. void HAL_MspInit(void)
  69. {
  70. /* USER CODE BEGIN MspInit 0 */
  71. /* USER CODE END MspInit 0 */
  72. __HAL_RCC_SYSCFG_CLK_ENABLE();
  73. __HAL_RCC_PWR_CLK_ENABLE();
  74. /* System interrupt init*/
  75. /* USER CODE BEGIN MspInit 1 */
  76. /* USER CODE END MspInit 1 */
  77. }
  78. static uint32_t HAL_RCC_ADC_CLK_ENABLED=0;
  79. /**
  80. * @brief ADC MSP Initialization
  81. * This function configures the hardware resources used in this example
  82. * @param hadc: ADC handle pointer
  83. * @retval None
  84. */
  85. void HAL_ADC_MspInit(ADC_HandleTypeDef* hadc)
  86. {
  87. GPIO_InitTypeDef GPIO_InitStruct = {0};
  88. if(hadc->Instance==ADC1)
  89. {
  90. /* USER CODE BEGIN ADC1_MspInit 0 */
  91. /* USER CODE END ADC1_MspInit 0 */
  92. /* Peripheral clock enable */
  93. HAL_RCC_ADC_CLK_ENABLED++;
  94. if(HAL_RCC_ADC_CLK_ENABLED==1){
  95. __HAL_RCC_ADC_CLK_ENABLE();
  96. }
  97. __HAL_RCC_GPIOC_CLK_ENABLE();
  98. /**ADC1 GPIO Configuration
  99. PC0 ------> ADC1_IN1
  100. */
  101. GPIO_InitStruct.Pin = GPIO_PIN_0;
  102. GPIO_InitStruct.Mode = GPIO_MODE_ANALOG_ADC_CONTROL;
  103. GPIO_InitStruct.Pull = GPIO_NOPULL;
  104. HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
  105. /* USER CODE BEGIN ADC1_MspInit 1 */
  106. /* USER CODE END ADC1_MspInit 1 */
  107. }
  108. else if(hadc->Instance==ADC2)
  109. {
  110. /* USER CODE BEGIN ADC2_MspInit 0 */
  111. /* USER CODE END ADC2_MspInit 0 */
  112. /* Peripheral clock enable */
  113. HAL_RCC_ADC_CLK_ENABLED++;
  114. if(HAL_RCC_ADC_CLK_ENABLED==1){
  115. __HAL_RCC_ADC_CLK_ENABLE();
  116. }
  117. __HAL_RCC_GPIOC_CLK_ENABLE();
  118. /**ADC2 GPIO Configuration
  119. PC1 ------> ADC2_IN2
  120. */
  121. GPIO_InitStruct.Pin = GPIO_PIN_1;
  122. GPIO_InitStruct.Mode = GPIO_MODE_ANALOG_ADC_CONTROL;
  123. GPIO_InitStruct.Pull = GPIO_NOPULL;
  124. HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
  125. /* USER CODE BEGIN ADC2_MspInit 1 */
  126. /* USER CODE END ADC2_MspInit 1 */
  127. }
  128. else if(hadc->Instance==ADC3)
  129. {
  130. /* USER CODE BEGIN ADC3_MspInit 0 */
  131. /* USER CODE END ADC3_MspInit 0 */
  132. /* Peripheral clock enable */
  133. HAL_RCC_ADC_CLK_ENABLED++;
  134. if(HAL_RCC_ADC_CLK_ENABLED==1){
  135. __HAL_RCC_ADC_CLK_ENABLE();
  136. }
  137. __HAL_RCC_GPIOC_CLK_ENABLE();
  138. /**ADC3 GPIO Configuration
  139. PC2 ------> ADC3_IN3
  140. */
  141. GPIO_InitStruct.Pin = GPIO_PIN_2;
  142. GPIO_InitStruct.Mode = GPIO_MODE_ANALOG_ADC_CONTROL;
  143. GPIO_InitStruct.Pull = GPIO_NOPULL;
  144. HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
  145. /* USER CODE BEGIN ADC3_MspInit 1 */
  146. /* USER CODE END ADC3_MspInit 1 */
  147. }
  148. }
  149. /**
  150. * @brief ADC MSP De-Initialization
  151. * This function freeze the hardware resources used in this example
  152. * @param hadc: ADC handle pointer
  153. * @retval None
  154. */
  155. void HAL_ADC_MspDeInit(ADC_HandleTypeDef* hadc)
  156. {
  157. if(hadc->Instance==ADC1)
  158. {
  159. /* USER CODE BEGIN ADC1_MspDeInit 0 */
  160. /* USER CODE END ADC1_MspDeInit 0 */
  161. /* Peripheral clock disable */
  162. HAL_RCC_ADC_CLK_ENABLED--;
  163. if(HAL_RCC_ADC_CLK_ENABLED==0){
  164. __HAL_RCC_ADC_CLK_DISABLE();
  165. }
  166. /**ADC1 GPIO Configuration
  167. PC0 ------> ADC1_IN1
  168. */
  169. HAL_GPIO_DeInit(GPIOC, GPIO_PIN_0);
  170. /* USER CODE BEGIN ADC1_MspDeInit 1 */
  171. /* USER CODE END ADC1_MspDeInit 1 */
  172. }
  173. else if(hadc->Instance==ADC2)
  174. {
  175. /* USER CODE BEGIN ADC2_MspDeInit 0 */
  176. /* USER CODE END ADC2_MspDeInit 0 */
  177. /* Peripheral clock disable */
  178. HAL_RCC_ADC_CLK_ENABLED--;
  179. if(HAL_RCC_ADC_CLK_ENABLED==0){
  180. __HAL_RCC_ADC_CLK_DISABLE();
  181. }
  182. /**ADC2 GPIO Configuration
  183. PC1 ------> ADC2_IN2
  184. */
  185. HAL_GPIO_DeInit(GPIOC, GPIO_PIN_1);
  186. /* USER CODE BEGIN ADC2_MspDeInit 1 */
  187. /* USER CODE END ADC2_MspDeInit 1 */
  188. }
  189. else if(hadc->Instance==ADC3)
  190. {
  191. /* USER CODE BEGIN ADC3_MspDeInit 0 */
  192. /* USER CODE END ADC3_MspDeInit 0 */
  193. /* Peripheral clock disable */
  194. HAL_RCC_ADC_CLK_ENABLED--;
  195. if(HAL_RCC_ADC_CLK_ENABLED==0){
  196. __HAL_RCC_ADC_CLK_DISABLE();
  197. }
  198. /**ADC3 GPIO Configuration
  199. PC2 ------> ADC3_IN3
  200. */
  201. HAL_GPIO_DeInit(GPIOC, GPIO_PIN_2);
  202. /* USER CODE BEGIN ADC3_MspDeInit 1 */
  203. /* USER CODE END ADC3_MspDeInit 1 */
  204. }
  205. }
  206. /**
  207. * @brief RTC MSP Initialization
  208. * This function configures the hardware resources used in this example
  209. * @param hrtc: RTC handle pointer
  210. * @retval None
  211. */
  212. void HAL_RTC_MspInit(RTC_HandleTypeDef* hrtc)
  213. {
  214. if(hrtc->Instance==RTC)
  215. {
  216. /* USER CODE BEGIN RTC_MspInit 0 */
  217. /* USER CODE END RTC_MspInit 0 */
  218. /* Peripheral clock enable */
  219. __HAL_RCC_RTC_ENABLE();
  220. /* USER CODE BEGIN RTC_MspInit 1 */
  221. /* USER CODE END RTC_MspInit 1 */
  222. }
  223. }
  224. /**
  225. * @brief RTC MSP De-Initialization
  226. * This function freeze the hardware resources used in this example
  227. * @param hrtc: RTC handle pointer
  228. * @retval None
  229. */
  230. void HAL_RTC_MspDeInit(RTC_HandleTypeDef* hrtc)
  231. {
  232. if(hrtc->Instance==RTC)
  233. {
  234. /* USER CODE BEGIN RTC_MspDeInit 0 */
  235. /* USER CODE END RTC_MspDeInit 0 */
  236. /* Peripheral clock disable */
  237. __HAL_RCC_RTC_DISABLE();
  238. /* USER CODE BEGIN RTC_MspDeInit 1 */
  239. /* USER CODE END RTC_MspDeInit 1 */
  240. }
  241. }
  242. /**
  243. * @brief SPI MSP Initialization
  244. * This function configures the hardware resources used in this example
  245. * @param hspi: SPI handle pointer
  246. * @retval None
  247. */
  248. void HAL_SPI_MspInit(SPI_HandleTypeDef* hspi)
  249. {
  250. GPIO_InitTypeDef GPIO_InitStruct = {0};
  251. if(hspi->Instance==SPI1)
  252. {
  253. /* USER CODE BEGIN SPI1_MspInit 0 */
  254. /* USER CODE END SPI1_MspInit 0 */
  255. /* Peripheral clock enable */
  256. __HAL_RCC_SPI1_CLK_ENABLE();
  257. __HAL_RCC_GPIOA_CLK_ENABLE();
  258. /**SPI1 GPIO Configuration
  259. PA5 ------> SPI1_SCK
  260. PA6 ------> SPI1_MISO
  261. PA7 ------> SPI1_MOSI
  262. */
  263. GPIO_InitStruct.Pin = GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7;
  264. GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  265. GPIO_InitStruct.Pull = GPIO_NOPULL;
  266. GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
  267. GPIO_InitStruct.Alternate = GPIO_AF5_SPI1;
  268. HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  269. /* USER CODE BEGIN SPI1_MspInit 1 */
  270. /* USER CODE END SPI1_MspInit 1 */
  271. }
  272. else if(hspi->Instance==SPI2)
  273. {
  274. /* USER CODE BEGIN SPI2_MspInit 0 */
  275. /* USER CODE END SPI2_MspInit 0 */
  276. /* Peripheral clock enable */
  277. __HAL_RCC_SPI2_CLK_ENABLE();
  278. __HAL_RCC_GPIOC_CLK_ENABLE();
  279. __HAL_RCC_GPIOB_CLK_ENABLE();
  280. /**SPI2 GPIO Configuration
  281. PC3 ------> SPI2_MOSI
  282. PB10 ------> SPI2_SCK
  283. PB14 ------> SPI2_MISO
  284. */
  285. GPIO_InitStruct.Pin = GPIO_PIN_3;
  286. GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  287. GPIO_InitStruct.Pull = GPIO_NOPULL;
  288. GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
  289. GPIO_InitStruct.Alternate = GPIO_AF5_SPI2;
  290. HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
  291. GPIO_InitStruct.Pin = GPIO_PIN_10|GPIO_PIN_14;
  292. GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  293. GPIO_InitStruct.Pull = GPIO_NOPULL;
  294. GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
  295. GPIO_InitStruct.Alternate = GPIO_AF5_SPI2;
  296. HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
  297. /* USER CODE BEGIN SPI2_MspInit 1 */
  298. /* USER CODE END SPI2_MspInit 1 */
  299. }
  300. else if(hspi->Instance==SPI3)
  301. {
  302. /* USER CODE BEGIN SPI3_MspInit 0 */
  303. /* USER CODE END SPI3_MspInit 0 */
  304. /* Peripheral clock enable */
  305. __HAL_RCC_SPI3_CLK_ENABLE();
  306. __HAL_RCC_GPIOC_CLK_ENABLE();
  307. /**SPI3 GPIO Configuration
  308. PC10 ------> SPI3_SCK
  309. PC11 ------> SPI3_MISO
  310. PC12 ------> SPI3_MOSI
  311. */
  312. GPIO_InitStruct.Pin = GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12;
  313. GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  314. GPIO_InitStruct.Pull = GPIO_NOPULL;
  315. GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
  316. GPIO_InitStruct.Alternate = GPIO_AF6_SPI3;
  317. HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
  318. /* USER CODE BEGIN SPI3_MspInit 1 */
  319. /* USER CODE END SPI3_MspInit 1 */
  320. }
  321. }
  322. /**
  323. * @brief SPI MSP De-Initialization
  324. * This function freeze the hardware resources used in this example
  325. * @param hspi: SPI handle pointer
  326. * @retval None
  327. */
  328. void HAL_SPI_MspDeInit(SPI_HandleTypeDef* hspi)
  329. {
  330. if(hspi->Instance==SPI1)
  331. {
  332. /* USER CODE BEGIN SPI1_MspDeInit 0 */
  333. /* USER CODE END SPI1_MspDeInit 0 */
  334. /* Peripheral clock disable */
  335. __HAL_RCC_SPI1_CLK_DISABLE();
  336. /**SPI1 GPIO Configuration
  337. PA5 ------> SPI1_SCK
  338. PA6 ------> SPI1_MISO
  339. PA7 ------> SPI1_MOSI
  340. */
  341. HAL_GPIO_DeInit(GPIOA, GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7);
  342. /* USER CODE BEGIN SPI1_MspDeInit 1 */
  343. /* USER CODE END SPI1_MspDeInit 1 */
  344. }
  345. else if(hspi->Instance==SPI2)
  346. {
  347. /* USER CODE BEGIN SPI2_MspDeInit 0 */
  348. /* USER CODE END SPI2_MspDeInit 0 */
  349. /* Peripheral clock disable */
  350. __HAL_RCC_SPI2_CLK_DISABLE();
  351. /**SPI2 GPIO Configuration
  352. PC3 ------> SPI2_MOSI
  353. PB10 ------> SPI2_SCK
  354. PB14 ------> SPI2_MISO
  355. */
  356. HAL_GPIO_DeInit(GPIOC, GPIO_PIN_3);
  357. HAL_GPIO_DeInit(GPIOB, GPIO_PIN_10|GPIO_PIN_14);
  358. /* USER CODE BEGIN SPI2_MspDeInit 1 */
  359. /* USER CODE END SPI2_MspDeInit 1 */
  360. }
  361. else if(hspi->Instance==SPI3)
  362. {
  363. /* USER CODE BEGIN SPI3_MspDeInit 0 */
  364. /* USER CODE END SPI3_MspDeInit 0 */
  365. /* Peripheral clock disable */
  366. __HAL_RCC_SPI3_CLK_DISABLE();
  367. /**SPI3 GPIO Configuration
  368. PC10 ------> SPI3_SCK
  369. PC11 ------> SPI3_MISO
  370. PC12 ------> SPI3_MOSI
  371. */
  372. HAL_GPIO_DeInit(GPIOC, GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12);
  373. /* USER CODE BEGIN SPI3_MspDeInit 1 */
  374. /* USER CODE END SPI3_MspDeInit 1 */
  375. }
  376. }
  377. /**
  378. * @brief TIM_Base MSP Initialization
  379. * This function configures the hardware resources used in this example
  380. * @param htim_base: TIM_Base handle pointer
  381. * @retval None
  382. */
  383. void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* htim_base)
  384. {
  385. if(htim_base->Instance==TIM15)
  386. {
  387. /* USER CODE BEGIN TIM15_MspInit 0 */
  388. /* USER CODE END TIM15_MspInit 0 */
  389. /* Peripheral clock enable */
  390. __HAL_RCC_TIM15_CLK_ENABLE();
  391. /* USER CODE BEGIN TIM15_MspInit 1 */
  392. /* USER CODE END TIM15_MspInit 1 */
  393. }
  394. else if(htim_base->Instance==TIM16)
  395. {
  396. /* USER CODE BEGIN TIM16_MspInit 0 */
  397. /* USER CODE END TIM16_MspInit 0 */
  398. /* Peripheral clock enable */
  399. __HAL_RCC_TIM16_CLK_ENABLE();
  400. /* USER CODE BEGIN TIM16_MspInit 1 */
  401. /* USER CODE END TIM16_MspInit 1 */
  402. }
  403. else if(htim_base->Instance==TIM17)
  404. {
  405. /* USER CODE BEGIN TIM17_MspInit 0 */
  406. /* USER CODE END TIM17_MspInit 0 */
  407. /* Peripheral clock enable */
  408. __HAL_RCC_TIM17_CLK_ENABLE();
  409. /* USER CODE BEGIN TIM17_MspInit 1 */
  410. /* USER CODE END TIM17_MspInit 1 */
  411. }
  412. }
  413. /**
  414. * @brief TIM_Base MSP De-Initialization
  415. * This function freeze the hardware resources used in this example
  416. * @param htim_base: TIM_Base handle pointer
  417. * @retval None
  418. */
  419. void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef* htim_base)
  420. {
  421. if(htim_base->Instance==TIM15)
  422. {
  423. /* USER CODE BEGIN TIM15_MspDeInit 0 */
  424. /* USER CODE END TIM15_MspDeInit 0 */
  425. /* Peripheral clock disable */
  426. __HAL_RCC_TIM15_CLK_DISABLE();
  427. /* USER CODE BEGIN TIM15_MspDeInit 1 */
  428. /* USER CODE END TIM15_MspDeInit 1 */
  429. }
  430. else if(htim_base->Instance==TIM16)
  431. {
  432. /* USER CODE BEGIN TIM16_MspDeInit 0 */
  433. /* USER CODE END TIM16_MspDeInit 0 */
  434. /* Peripheral clock disable */
  435. __HAL_RCC_TIM16_CLK_DISABLE();
  436. /* USER CODE BEGIN TIM16_MspDeInit 1 */
  437. /* USER CODE END TIM16_MspDeInit 1 */
  438. }
  439. else if(htim_base->Instance==TIM17)
  440. {
  441. /* USER CODE BEGIN TIM17_MspDeInit 0 */
  442. /* USER CODE END TIM17_MspDeInit 0 */
  443. /* Peripheral clock disable */
  444. __HAL_RCC_TIM17_CLK_DISABLE();
  445. /* USER CODE BEGIN TIM17_MspDeInit 1 */
  446. /* USER CODE END TIM17_MspDeInit 1 */
  447. }
  448. }
  449. /**
  450. * @brief UART MSP Initialization
  451. * This function configures the hardware resources used in this example
  452. * @param huart: UART handle pointer
  453. * @retval None
  454. */
  455. void HAL_UART_MspInit(UART_HandleTypeDef* huart)
  456. {
  457. GPIO_InitTypeDef GPIO_InitStruct = {0};
  458. if(huart->Instance==USART2)
  459. {
  460. /* USER CODE BEGIN USART2_MspInit 0 */
  461. /* USER CODE END USART2_MspInit 0 */
  462. /* Peripheral clock enable */
  463. __HAL_RCC_USART2_CLK_ENABLE();
  464. __HAL_RCC_GPIOA_CLK_ENABLE();
  465. /**USART2 GPIO Configuration
  466. PA2 ------> USART2_TX
  467. PA3 ------> USART2_RX
  468. */
  469. GPIO_InitStruct.Pin = GPIO_PIN_2|GPIO_PIN_3;
  470. GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  471. GPIO_InitStruct.Pull = GPIO_NOPULL;
  472. GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
  473. GPIO_InitStruct.Alternate = GPIO_AF7_USART2;
  474. HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  475. /* USER CODE BEGIN USART2_MspInit 1 */
  476. /* USER CODE END USART2_MspInit 1 */
  477. }
  478. }
  479. /**
  480. * @brief UART MSP De-Initialization
  481. * This function freeze the hardware resources used in this example
  482. * @param huart: UART handle pointer
  483. * @retval None
  484. */
  485. void HAL_UART_MspDeInit(UART_HandleTypeDef* huart)
  486. {
  487. if(huart->Instance==USART2)
  488. {
  489. /* USER CODE BEGIN USART2_MspDeInit 0 */
  490. /* USER CODE END USART2_MspDeInit 0 */
  491. /* Peripheral clock disable */
  492. __HAL_RCC_USART2_CLK_DISABLE();
  493. /**USART2 GPIO Configuration
  494. PA2 ------> USART2_TX
  495. PA3 ------> USART2_RX
  496. */
  497. HAL_GPIO_DeInit(GPIOA, GPIO_PIN_2|GPIO_PIN_3);
  498. /* USER CODE BEGIN USART2_MspDeInit 1 */
  499. /* USER CODE END USART2_MspDeInit 1 */
  500. }
  501. }
  502. /* USER CODE BEGIN 1 */
  503. /* USER CODE END 1 */
  504. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/