stm32f0xx_hal_uart_ex.h 30 KB

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  1. /**
  2. ******************************************************************************
  3. * @file stm32f0xx_hal_uart_ex.h
  4. * @author MCD Application Team
  5. * @brief Header file of UART HAL Extended module.
  6. ******************************************************************************
  7. * @attention
  8. *
  9. * Copyright (c) 2016 STMicroelectronics.
  10. * All rights reserved.
  11. *
  12. * This software is licensed under terms that can be found in the LICENSE file
  13. * in the root directory of this software component.
  14. * If no LICENSE file comes with this software, it is provided AS-IS.
  15. *
  16. ******************************************************************************
  17. */
  18. /* Define to prevent recursive inclusion -------------------------------------*/
  19. #ifndef STM32F0xx_HAL_UART_EX_H
  20. #define STM32F0xx_HAL_UART_EX_H
  21. #ifdef __cplusplus
  22. extern "C" {
  23. #endif
  24. /* Includes ------------------------------------------------------------------*/
  25. #include "stm32f0xx_hal_def.h"
  26. /** @addtogroup STM32F0xx_HAL_Driver
  27. * @{
  28. */
  29. /** @addtogroup UARTEx
  30. * @{
  31. */
  32. /* Exported types ------------------------------------------------------------*/
  33. /** @defgroup UARTEx_Exported_Types UARTEx Exported Types
  34. * @{
  35. */
  36. #if defined(USART_CR1_UESM)
  37. /**
  38. * @brief UART wake up from stop mode parameters
  39. */
  40. typedef struct
  41. {
  42. uint32_t WakeUpEvent; /*!< Specifies which event will activate the Wakeup from Stop mode flag (WUF).
  43. This parameter can be a value of @ref UART_WakeUp_from_Stop_Selection.
  44. If set to UART_WAKEUP_ON_ADDRESS, the two other fields below must
  45. be filled up. */
  46. uint16_t AddressLength; /*!< Specifies whether the address is 4 or 7-bit long.
  47. This parameter can be a value of @ref UARTEx_WakeUp_Address_Length. */
  48. uint8_t Address; /*!< UART/USART node address (7-bit long max). */
  49. } UART_WakeUpTypeDef;
  50. #endif /* USART_CR1_UESM */
  51. /**
  52. * @}
  53. */
  54. /* Exported constants --------------------------------------------------------*/
  55. /** @defgroup UARTEx_Exported_Constants UARTEx Exported Constants
  56. * @{
  57. */
  58. /** @defgroup UARTEx_Word_Length UARTEx Word Length
  59. * @{
  60. */
  61. #if defined(USART_CR1_M1)
  62. #define UART_WORDLENGTH_7B USART_CR1_M1 /*!< 7-bit long UART frame */
  63. #endif /* USART_CR1_M1 */
  64. #define UART_WORDLENGTH_8B 0x00000000U /*!< 8-bit long UART frame */
  65. #if defined (USART_CR1_M0)
  66. #define UART_WORDLENGTH_9B USART_CR1_M0 /*!< 9-bit long UART frame */
  67. #else
  68. #define UART_WORDLENGTH_9B USART_CR1_M /*!< 9-bit long UART frame */
  69. #endif /* USART_CR1_M0 */
  70. /**
  71. * @}
  72. */
  73. /** @defgroup UARTEx_WakeUp_Address_Length UARTEx WakeUp Address Length
  74. * @{
  75. */
  76. #define UART_ADDRESS_DETECT_4B 0x00000000U /*!< 4-bit long wake-up address */
  77. #define UART_ADDRESS_DETECT_7B USART_CR2_ADDM7 /*!< 7-bit long wake-up address */
  78. /**
  79. * @}
  80. */
  81. /**
  82. * @}
  83. */
  84. /* Exported macros -----------------------------------------------------------*/
  85. /* Exported functions --------------------------------------------------------*/
  86. /** @addtogroup UARTEx_Exported_Functions
  87. * @{
  88. */
  89. /** @addtogroup UARTEx_Exported_Functions_Group1
  90. * @{
  91. */
  92. /* Initialization and de-initialization functions ****************************/
  93. HAL_StatusTypeDef HAL_RS485Ex_Init(UART_HandleTypeDef *huart, uint32_t Polarity, uint32_t AssertionTime,
  94. uint32_t DeassertionTime);
  95. /**
  96. * @}
  97. */
  98. /** @addtogroup UARTEx_Exported_Functions_Group2
  99. * @{
  100. */
  101. #if defined(USART_CR1_UESM)
  102. void HAL_UARTEx_WakeupCallback(UART_HandleTypeDef *huart);
  103. #endif /* USART_CR1_UESM */
  104. /**
  105. * @}
  106. */
  107. /** @addtogroup UARTEx_Exported_Functions_Group3
  108. * @{
  109. */
  110. /* Peripheral Control functions **********************************************/
  111. #if defined(USART_CR1_UESM)
  112. HAL_StatusTypeDef HAL_UARTEx_StopModeWakeUpSourceConfig(UART_HandleTypeDef *huart, UART_WakeUpTypeDef WakeUpSelection);
  113. HAL_StatusTypeDef HAL_UARTEx_EnableStopMode(UART_HandleTypeDef *huart);
  114. HAL_StatusTypeDef HAL_UARTEx_DisableStopMode(UART_HandleTypeDef *huart);
  115. #endif /* USART_CR1_UESM */
  116. HAL_StatusTypeDef HAL_MultiProcessorEx_AddressLength_Set(UART_HandleTypeDef *huart, uint32_t AddressLength);
  117. HAL_StatusTypeDef HAL_UARTEx_ReceiveToIdle(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint16_t *RxLen,
  118. uint32_t Timeout);
  119. HAL_StatusTypeDef HAL_UARTEx_ReceiveToIdle_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
  120. HAL_StatusTypeDef HAL_UARTEx_ReceiveToIdle_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
  121. HAL_UART_RxEventTypeTypeDef HAL_UARTEx_GetRxEventType(UART_HandleTypeDef *huart);
  122. /**
  123. * @}
  124. */
  125. /**
  126. * @}
  127. */
  128. /* Private macros ------------------------------------------------------------*/
  129. /** @defgroup UARTEx_Private_Macros UARTEx Private Macros
  130. * @{
  131. */
  132. /** @brief Report the UART clock source.
  133. * @param __HANDLE__ specifies the UART Handle.
  134. * @param __CLOCKSOURCE__ output variable.
  135. * @retval UART clocking source, written in __CLOCKSOURCE__.
  136. */
  137. #if defined(STM32F030x6) || defined(STM32F031x6) || defined(STM32F038xx)
  138. #define UART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \
  139. do { \
  140. switch(__HAL_RCC_GET_USART1_SOURCE()) \
  141. { \
  142. case RCC_USART1CLKSOURCE_PCLK1: \
  143. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \
  144. break; \
  145. case RCC_USART1CLKSOURCE_HSI: \
  146. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \
  147. break; \
  148. case RCC_USART1CLKSOURCE_SYSCLK: \
  149. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \
  150. break; \
  151. case RCC_USART1CLKSOURCE_LSE: \
  152. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \
  153. break; \
  154. default: \
  155. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \
  156. break; \
  157. } \
  158. } while(0)
  159. #elif defined (STM32F030x8) || defined (STM32F070x6) || defined (STM32F042x6) || defined (STM32F048xx) \
  160. || defined (STM32F051x8) || defined (STM32F058xx)
  161. #define UART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \
  162. do { \
  163. if((__HANDLE__)->Instance == USART1) \
  164. { \
  165. switch(__HAL_RCC_GET_USART1_SOURCE()) \
  166. { \
  167. case RCC_USART1CLKSOURCE_PCLK1: \
  168. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \
  169. break; \
  170. case RCC_USART1CLKSOURCE_HSI: \
  171. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \
  172. break; \
  173. case RCC_USART1CLKSOURCE_SYSCLK: \
  174. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \
  175. break; \
  176. case RCC_USART1CLKSOURCE_LSE: \
  177. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \
  178. break; \
  179. default: \
  180. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \
  181. break; \
  182. } \
  183. } \
  184. else if((__HANDLE__)->Instance == USART2) \
  185. { \
  186. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \
  187. } \
  188. else \
  189. { \
  190. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \
  191. } \
  192. } while(0)
  193. #elif defined(STM32F070xB)
  194. #define UART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \
  195. do { \
  196. if((__HANDLE__)->Instance == USART1) \
  197. { \
  198. switch(__HAL_RCC_GET_USART1_SOURCE()) \
  199. { \
  200. case RCC_USART1CLKSOURCE_PCLK1: \
  201. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \
  202. break; \
  203. case RCC_USART1CLKSOURCE_HSI: \
  204. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \
  205. break; \
  206. case RCC_USART1CLKSOURCE_SYSCLK: \
  207. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \
  208. break; \
  209. case RCC_USART1CLKSOURCE_LSE: \
  210. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \
  211. break; \
  212. default: \
  213. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \
  214. break; \
  215. } \
  216. } \
  217. else if((__HANDLE__)->Instance == USART2) \
  218. { \
  219. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \
  220. } \
  221. else if((__HANDLE__)->Instance == USART3) \
  222. { \
  223. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \
  224. } \
  225. else if((__HANDLE__)->Instance == USART4) \
  226. { \
  227. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \
  228. } \
  229. else \
  230. { \
  231. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \
  232. } \
  233. } while(0)
  234. #elif defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)
  235. #define UART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \
  236. do { \
  237. if((__HANDLE__)->Instance == USART1) \
  238. { \
  239. switch(__HAL_RCC_GET_USART1_SOURCE()) \
  240. { \
  241. case RCC_USART1CLKSOURCE_PCLK1: \
  242. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \
  243. break; \
  244. case RCC_USART1CLKSOURCE_HSI: \
  245. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \
  246. break; \
  247. case RCC_USART1CLKSOURCE_SYSCLK: \
  248. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \
  249. break; \
  250. case RCC_USART1CLKSOURCE_LSE: \
  251. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \
  252. break; \
  253. default: \
  254. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \
  255. break; \
  256. } \
  257. } \
  258. else if((__HANDLE__)->Instance == USART2) \
  259. { \
  260. switch(__HAL_RCC_GET_USART2_SOURCE()) \
  261. { \
  262. case RCC_USART2CLKSOURCE_PCLK1: \
  263. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \
  264. break; \
  265. case RCC_USART2CLKSOURCE_HSI: \
  266. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \
  267. break; \
  268. case RCC_USART2CLKSOURCE_SYSCLK: \
  269. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \
  270. break; \
  271. case RCC_USART2CLKSOURCE_LSE: \
  272. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \
  273. break; \
  274. default: \
  275. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \
  276. break; \
  277. } \
  278. } \
  279. else if((__HANDLE__)->Instance == USART3) \
  280. { \
  281. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \
  282. } \
  283. else if((__HANDLE__)->Instance == USART4) \
  284. { \
  285. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \
  286. } \
  287. else \
  288. { \
  289. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \
  290. } \
  291. } while(0)
  292. #elif defined(STM32F091xC) || defined (STM32F098xx)
  293. #define UART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \
  294. do { \
  295. if((__HANDLE__)->Instance == USART1) \
  296. { \
  297. switch(__HAL_RCC_GET_USART1_SOURCE()) \
  298. { \
  299. case RCC_USART1CLKSOURCE_PCLK1: \
  300. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \
  301. break; \
  302. case RCC_USART1CLKSOURCE_HSI: \
  303. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \
  304. break; \
  305. case RCC_USART1CLKSOURCE_SYSCLK: \
  306. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \
  307. break; \
  308. case RCC_USART1CLKSOURCE_LSE: \
  309. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \
  310. break; \
  311. default: \
  312. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \
  313. break; \
  314. } \
  315. } \
  316. else if((__HANDLE__)->Instance == USART2) \
  317. { \
  318. switch(__HAL_RCC_GET_USART2_SOURCE()) \
  319. { \
  320. case RCC_USART2CLKSOURCE_PCLK1: \
  321. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \
  322. break; \
  323. case RCC_USART2CLKSOURCE_HSI: \
  324. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \
  325. break; \
  326. case RCC_USART2CLKSOURCE_SYSCLK: \
  327. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \
  328. break; \
  329. case RCC_USART2CLKSOURCE_LSE: \
  330. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \
  331. break; \
  332. default: \
  333. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \
  334. break; \
  335. } \
  336. } \
  337. else if((__HANDLE__)->Instance == USART3) \
  338. { \
  339. switch(__HAL_RCC_GET_USART3_SOURCE()) \
  340. { \
  341. case RCC_USART3CLKSOURCE_PCLK1: \
  342. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \
  343. break; \
  344. case RCC_USART3CLKSOURCE_HSI: \
  345. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \
  346. break; \
  347. case RCC_USART3CLKSOURCE_SYSCLK: \
  348. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \
  349. break; \
  350. case RCC_USART3CLKSOURCE_LSE: \
  351. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \
  352. break; \
  353. default: \
  354. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \
  355. break; \
  356. } \
  357. } \
  358. else if((__HANDLE__)->Instance == USART4) \
  359. { \
  360. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \
  361. } \
  362. else if((__HANDLE__)->Instance == USART5) \
  363. { \
  364. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \
  365. } \
  366. else if((__HANDLE__)->Instance == USART6) \
  367. { \
  368. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \
  369. } \
  370. else if((__HANDLE__)->Instance == USART7) \
  371. { \
  372. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \
  373. } \
  374. else if((__HANDLE__)->Instance == USART8) \
  375. { \
  376. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \
  377. } \
  378. else \
  379. { \
  380. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \
  381. } \
  382. } while(0)
  383. #elif defined(STM32F030xC)
  384. #define UART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \
  385. do { \
  386. if((__HANDLE__)->Instance == USART1) \
  387. { \
  388. switch(__HAL_RCC_GET_USART1_SOURCE()) \
  389. { \
  390. case RCC_USART1CLKSOURCE_PCLK1: \
  391. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \
  392. break; \
  393. case RCC_USART1CLKSOURCE_HSI: \
  394. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \
  395. break; \
  396. case RCC_USART1CLKSOURCE_SYSCLK: \
  397. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \
  398. break; \
  399. case RCC_USART1CLKSOURCE_LSE: \
  400. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \
  401. break; \
  402. default: \
  403. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \
  404. break; \
  405. } \
  406. } \
  407. else if((__HANDLE__)->Instance == USART2) \
  408. { \
  409. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \
  410. } \
  411. else if((__HANDLE__)->Instance == USART3) \
  412. { \
  413. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \
  414. } \
  415. else if((__HANDLE__)->Instance == USART4) \
  416. { \
  417. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \
  418. } \
  419. else if((__HANDLE__)->Instance == USART5) \
  420. { \
  421. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \
  422. } \
  423. else if((__HANDLE__)->Instance == USART6) \
  424. { \
  425. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \
  426. } \
  427. else \
  428. { \
  429. (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \
  430. } \
  431. } while(0)
  432. #endif /* defined(STM32F030x6) || defined(STM32F031x6) || defined(STM32F038xx) */
  433. /** @brief Report the UART mask to apply to retrieve the received data
  434. * according to the word length and to the parity bits activation.
  435. * @note If PCE = 1, the parity bit is not included in the data extracted
  436. * by the reception API().
  437. * This masking operation is not carried out in the case of
  438. * DMA transfers.
  439. * @param __HANDLE__ specifies the UART Handle.
  440. * @retval None, the mask to apply to UART RDR register is stored in (__HANDLE__)->Mask field.
  441. */
  442. #if defined (USART_CR1_M1)
  443. #define UART_MASK_COMPUTATION(__HANDLE__) \
  444. do { \
  445. if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_9B) \
  446. { \
  447. if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE) \
  448. { \
  449. (__HANDLE__)->Mask = 0x01FFU ; \
  450. } \
  451. else \
  452. { \
  453. (__HANDLE__)->Mask = 0x00FFU ; \
  454. } \
  455. } \
  456. else if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_8B) \
  457. { \
  458. if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE) \
  459. { \
  460. (__HANDLE__)->Mask = 0x00FFU ; \
  461. } \
  462. else \
  463. { \
  464. (__HANDLE__)->Mask = 0x007FU ; \
  465. } \
  466. } \
  467. else if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_7B) \
  468. { \
  469. if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE) \
  470. { \
  471. (__HANDLE__)->Mask = 0x007FU ; \
  472. } \
  473. else \
  474. { \
  475. (__HANDLE__)->Mask = 0x003FU ; \
  476. } \
  477. } \
  478. else \
  479. { \
  480. (__HANDLE__)->Mask = 0x0000U; \
  481. } \
  482. } while(0U)
  483. #else
  484. #define UART_MASK_COMPUTATION(__HANDLE__) \
  485. do { \
  486. if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_9B) \
  487. { \
  488. if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE) \
  489. { \
  490. (__HANDLE__)->Mask = 0x01FFU ; \
  491. } \
  492. else \
  493. { \
  494. (__HANDLE__)->Mask = 0x00FFU ; \
  495. } \
  496. } \
  497. else if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_8B) \
  498. { \
  499. if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE) \
  500. { \
  501. (__HANDLE__)->Mask = 0x00FFU ; \
  502. } \
  503. else \
  504. { \
  505. (__HANDLE__)->Mask = 0x007FU ; \
  506. } \
  507. } \
  508. else \
  509. { \
  510. (__HANDLE__)->Mask = 0x0000U; \
  511. } \
  512. } while(0U)
  513. #endif /* USART_CR1_M1 */
  514. /**
  515. * @brief Ensure that UART frame length is valid.
  516. * @param __LENGTH__ UART frame length.
  517. * @retval SET (__LENGTH__ is valid) or RESET (__LENGTH__ is invalid)
  518. */
  519. #if defined (USART_CR1_M1)
  520. #define IS_UART_WORD_LENGTH(__LENGTH__) (((__LENGTH__) == UART_WORDLENGTH_7B) || \
  521. ((__LENGTH__) == UART_WORDLENGTH_8B) || \
  522. ((__LENGTH__) == UART_WORDLENGTH_9B))
  523. #else
  524. #define IS_UART_WORD_LENGTH(__LENGTH__) (((__LENGTH__) == UART_WORDLENGTH_8B) || \
  525. ((__LENGTH__) == UART_WORDLENGTH_9B))
  526. #endif /* USART_CR1_M1 */
  527. /**
  528. * @brief Ensure that UART wake-up address length is valid.
  529. * @param __ADDRESS__ UART wake-up address length.
  530. * @retval SET (__ADDRESS__ is valid) or RESET (__ADDRESS__ is invalid)
  531. */
  532. #define IS_UART_ADDRESSLENGTH_DETECT(__ADDRESS__) (((__ADDRESS__) == UART_ADDRESS_DETECT_4B) || \
  533. ((__ADDRESS__) == UART_ADDRESS_DETECT_7B))
  534. /**
  535. * @}
  536. */
  537. /* Private functions ---------------------------------------------------------*/
  538. /**
  539. * @}
  540. */
  541. /**
  542. * @}
  543. */
  544. #ifdef __cplusplus
  545. }
  546. #endif
  547. #endif /* STM32F0xx_HAL_UART_EX_H */