stm32l4xx_hal_smartcard_ex.h 20 KB

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  1. /**
  2. ******************************************************************************
  3. * @file stm32l4xx_hal_smartcard_ex.h
  4. * @author MCD Application Team
  5. * @brief Header file of SMARTCARD HAL Extended module.
  6. ******************************************************************************
  7. * @attention
  8. *
  9. * Copyright (c) 2017 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 STM32L4xx_HAL_SMARTCARD_EX_H
  20. #define STM32L4xx_HAL_SMARTCARD_EX_H
  21. #ifdef __cplusplus
  22. extern "C" {
  23. #endif
  24. /* Includes ------------------------------------------------------------------*/
  25. #include "stm32l4xx_hal_def.h"
  26. /** @addtogroup STM32L4xx_HAL_Driver
  27. * @{
  28. */
  29. /** @addtogroup SMARTCARDEx
  30. * @{
  31. */
  32. /* Exported types ------------------------------------------------------------*/
  33. /* Exported constants --------------------------------------------------------*/
  34. /** @addtogroup SMARTCARDEx_Exported_Constants SMARTCARD Extended Exported Constants
  35. * @{
  36. */
  37. /** @defgroup SMARTCARDEx_Transmission_Completion_Indication SMARTCARD Transmission Completion Indication
  38. * @{
  39. */
  40. #if defined(USART_TCBGT_SUPPORT)
  41. #define SMARTCARD_TCBGT SMARTCARD_IT_TCBGT /*!< SMARTCARD transmission complete before guard time */
  42. #endif /* USART_TCBGT_SUPPORT */
  43. #define SMARTCARD_TC SMARTCARD_IT_TC /*!< SMARTCARD transmission complete (flag raised when guard time has elapsed) */
  44. /**
  45. * @}
  46. */
  47. /** @defgroup SMARTCARDEx_Advanced_Features_Initialization_Type SMARTCARD advanced feature initialization type
  48. * @{
  49. */
  50. #define SMARTCARD_ADVFEATURE_NO_INIT 0x00000000U /*!< No advanced feature initialization */
  51. #define SMARTCARD_ADVFEATURE_TXINVERT_INIT 0x00000001U /*!< TX pin active level inversion */
  52. #define SMARTCARD_ADVFEATURE_RXINVERT_INIT 0x00000002U /*!< RX pin active level inversion */
  53. #define SMARTCARD_ADVFEATURE_DATAINVERT_INIT 0x00000004U /*!< Binary data inversion */
  54. #define SMARTCARD_ADVFEATURE_SWAP_INIT 0x00000008U /*!< TX/RX pins swap */
  55. #define SMARTCARD_ADVFEATURE_RXOVERRUNDISABLE_INIT 0x00000010U /*!< RX overrun disable */
  56. #define SMARTCARD_ADVFEATURE_DMADISABLEONERROR_INIT 0x00000020U /*!< DMA disable on Reception Error */
  57. #define SMARTCARD_ADVFEATURE_MSBFIRST_INIT 0x00000080U /*!< Most significant bit sent/received first */
  58. #if defined(USART_TCBGT_SUPPORT)
  59. #define SMARTCARD_ADVFEATURE_TXCOMPLETION 0x00000100U /*!< TX completion indication before of after guard time */
  60. #endif /* USART_TCBGT_SUPPORT */
  61. /**
  62. * @}
  63. */
  64. #if defined(USART_CR1_FIFOEN)
  65. /** @defgroup SMARTCARDEx_FIFO_mode SMARTCARD FIFO mode
  66. * @brief SMARTCARD FIFO mode
  67. * @{
  68. */
  69. #define SMARTCARD_FIFOMODE_DISABLE 0x00000000U /*!< FIFO mode disable */
  70. #define SMARTCARD_FIFOMODE_ENABLE USART_CR1_FIFOEN /*!< FIFO mode enable */
  71. /**
  72. * @}
  73. */
  74. /** @defgroup SMARTCARDEx_TXFIFO_threshold_level SMARTCARD TXFIFO threshold level
  75. * @brief SMARTCARD TXFIFO level
  76. * @{
  77. */
  78. #define SMARTCARD_TXFIFO_THRESHOLD_1_8 0x00000000U /*!< TXFIFO reaches 1/8 of its depth */
  79. #define SMARTCARD_TXFIFO_THRESHOLD_1_4 USART_CR3_TXFTCFG_0 /*!< TXFIFO reaches 1/4 of its depth */
  80. #define SMARTCARD_TXFIFO_THRESHOLD_1_2 USART_CR3_TXFTCFG_1 /*!< TXFIFO reaches 1/2 of its depth */
  81. #define SMARTCARD_TXFIFO_THRESHOLD_3_4 (USART_CR3_TXFTCFG_0|USART_CR3_TXFTCFG_1) /*!< TXFIFO reaches 3/4 of its depth */
  82. #define SMARTCARD_TXFIFO_THRESHOLD_7_8 USART_CR3_TXFTCFG_2 /*!< TXFIFO reaches 7/8 of its depth */
  83. #define SMARTCARD_TXFIFO_THRESHOLD_8_8 (USART_CR3_TXFTCFG_2|USART_CR3_TXFTCFG_0) /*!< TXFIFO becomes empty */
  84. /**
  85. * @}
  86. */
  87. /** @defgroup SMARTCARDEx_RXFIFO_threshold_level SMARTCARD RXFIFO threshold level
  88. * @brief SMARTCARD RXFIFO level
  89. * @{
  90. */
  91. #define SMARTCARD_RXFIFO_THRESHOLD_1_8 0x00000000U /*!< RXFIFO FIFO reaches 1/8 of its depth */
  92. #define SMARTCARD_RXFIFO_THRESHOLD_1_4 USART_CR3_RXFTCFG_0 /*!< RXFIFO FIFO reaches 1/4 of its depth */
  93. #define SMARTCARD_RXFIFO_THRESHOLD_1_2 USART_CR3_RXFTCFG_1 /*!< RXFIFO FIFO reaches 1/2 of its depth */
  94. #define SMARTCARD_RXFIFO_THRESHOLD_3_4 (USART_CR3_RXFTCFG_0|USART_CR3_RXFTCFG_1) /*!< RXFIFO FIFO reaches 3/4 of its depth */
  95. #define SMARTCARD_RXFIFO_THRESHOLD_7_8 USART_CR3_RXFTCFG_2 /*!< RXFIFO FIFO reaches 7/8 of its depth */
  96. #define SMARTCARD_RXFIFO_THRESHOLD_8_8 (USART_CR3_RXFTCFG_2|USART_CR3_RXFTCFG_0) /*!< RXFIFO FIFO becomes full */
  97. /**
  98. * @}
  99. */
  100. #endif /* USART_CR1_FIFOEN */
  101. /** @defgroup SMARTCARDEx_Flags SMARTCARD Flags
  102. * Elements values convention: 0xXXXX
  103. * - 0xXXXX : Flag mask in the ISR register
  104. * @{
  105. */
  106. #if defined(USART_TCBGT_SUPPORT)
  107. #define SMARTCARD_FLAG_TCBGT USART_ISR_TCBGT /*!< SMARTCARD transmission complete before guard time completion */
  108. #endif /* USART_TCBGT_SUPPORT */
  109. #define SMARTCARD_FLAG_REACK USART_ISR_REACK /*!< SMARTCARD receive enable acknowledge flag */
  110. #define SMARTCARD_FLAG_TEACK USART_ISR_TEACK /*!< SMARTCARD transmit enable acknowledge flag */
  111. #define SMARTCARD_FLAG_BUSY USART_ISR_BUSY /*!< SMARTCARD busy flag */
  112. #define SMARTCARD_FLAG_EOBF USART_ISR_EOBF /*!< SMARTCARD end of block flag */
  113. #define SMARTCARD_FLAG_RTOF USART_ISR_RTOF /*!< SMARTCARD receiver timeout flag */
  114. #if defined(USART_CR1_FIFOEN)
  115. #define SMARTCARD_FLAG_TXE USART_ISR_TXE_TXFNF /*!< SMARTCARD transmit data register empty */
  116. #define SMARTCARD_FLAG_TXFNF USART_ISR_TXE_TXFNF /*!< SMARTCARD TXFIFO not full */
  117. #else
  118. #define SMARTCARD_FLAG_TXE USART_ISR_TXE /*!< SMARTCARD transmit data register empty */
  119. #endif /* USART_CR1_FIFOEN */
  120. #define SMARTCARD_FLAG_TC USART_ISR_TC /*!< SMARTCARD transmission complete */
  121. #if defined(USART_CR1_FIFOEN)
  122. #define SMARTCARD_FLAG_RXNE USART_ISR_RXNE_RXFNE /*!< SMARTCARD read data register not empty */
  123. #define SMARTCARD_FLAG_RXFNE USART_ISR_RXNE_RXFNE /*!< SMARTCARD RXFIFO not empty */
  124. #else
  125. #define SMARTCARD_FLAG_RXNE USART_ISR_RXNE /*!< SMARTCARD read data register not empty */
  126. #endif /* USART_CR1_FIFOEN */
  127. #define SMARTCARD_FLAG_IDLE USART_ISR_IDLE /*!< SMARTCARD idle line detection */
  128. #define SMARTCARD_FLAG_ORE USART_ISR_ORE /*!< SMARTCARD overrun error */
  129. #define SMARTCARD_FLAG_NE USART_ISR_NE /*!< SMARTCARD noise error */
  130. #define SMARTCARD_FLAG_FE USART_ISR_FE /*!< SMARTCARD frame error */
  131. #define SMARTCARD_FLAG_PE USART_ISR_PE /*!< SMARTCARD parity error */
  132. #if defined(USART_CR1_FIFOEN)
  133. #define SMARTCARD_FLAG_TXFE USART_ISR_TXFE /*!< SMARTCARD TXFIFO Empty flag */
  134. #define SMARTCARD_FLAG_RXFF USART_ISR_RXFF /*!< SMARTCARD RXFIFO Full flag */
  135. #define SMARTCARD_FLAG_RXFT USART_ISR_RXFT /*!< SMARTCARD RXFIFO threshold flag */
  136. #define SMARTCARD_FLAG_TXFT USART_ISR_TXFT /*!< SMARTCARD TXFIFO threshold flag */
  137. #endif /* USART_CR1_FIFOEN */
  138. /**
  139. * @}
  140. */
  141. /** @defgroup SMARTCARDEx_Interrupt_definition SMARTCARD Interrupts Definition
  142. * Elements values convention: 000ZZZZZ0XXYYYYYb
  143. * - YYYYY : Interrupt source position in the XX register (5 bits)
  144. * - XX : Interrupt source register (2 bits)
  145. * - 01: CR1 register
  146. * - 10: CR2 register
  147. * - 11: CR3 register
  148. * - ZZZZZ : Flag position in the ISR register(5 bits)
  149. * @{
  150. */
  151. #define SMARTCARD_IT_PE 0x0028U /*!< SMARTCARD parity error interruption */
  152. #define SMARTCARD_IT_TXE 0x0727U /*!< SMARTCARD transmit data register empty interruption */
  153. #if defined(USART_CR1_FIFOEN)
  154. #define SMARTCARD_IT_TXFNF 0x0727U /*!< SMARTCARD TX FIFO not full interruption */
  155. #endif /* USART_CR1_FIFOEN */
  156. #define SMARTCARD_IT_TC 0x0626U /*!< SMARTCARD transmission complete interruption */
  157. #define SMARTCARD_IT_RXNE 0x0525U /*!< SMARTCARD read data register not empty interruption */
  158. #if defined(USART_CR1_FIFOEN)
  159. #define SMARTCARD_IT_RXFNE 0x0525U /*!< SMARTCARD RXFIFO not empty interruption */
  160. #endif /* USART_CR1_FIFOEN */
  161. #define SMARTCARD_IT_IDLE 0x0424U /*!< SMARTCARD idle line detection interruption */
  162. #define SMARTCARD_IT_ERR 0x0060U /*!< SMARTCARD error interruption */
  163. #define SMARTCARD_IT_ORE 0x0300U /*!< SMARTCARD overrun error interruption */
  164. #define SMARTCARD_IT_NE 0x0200U /*!< SMARTCARD noise error interruption */
  165. #define SMARTCARD_IT_FE 0x0100U /*!< SMARTCARD frame error interruption */
  166. #define SMARTCARD_IT_EOB 0x0C3BU /*!< SMARTCARD end of block interruption */
  167. #define SMARTCARD_IT_RTO 0x0B3AU /*!< SMARTCARD receiver timeout interruption */
  168. #if defined(USART_TCBGT_SUPPORT)
  169. #define SMARTCARD_IT_TCBGT 0x1978U /*!< SMARTCARD transmission complete before guard time completion interruption */
  170. #endif /* USART_TCBGT_SUPPORT */
  171. #if defined(USART_CR1_FIFOEN)
  172. #define SMARTCARD_IT_RXFF 0x183FU /*!< SMARTCARD RXFIFO full interruption */
  173. #define SMARTCARD_IT_TXFE 0x173EU /*!< SMARTCARD TXFIFO empty interruption */
  174. #define SMARTCARD_IT_RXFT 0x1A7CU /*!< SMARTCARD RXFIFO threshold reached interruption */
  175. #define SMARTCARD_IT_TXFT 0x1B77U /*!< SMARTCARD TXFIFO threshold reached interruption */
  176. #endif /* USART_CR1_FIFOEN */
  177. /**
  178. * @}
  179. */
  180. /** @defgroup SMARTCARDEx_IT_CLEAR_Flags SMARTCARD Interruption Clear Flags
  181. * @{
  182. */
  183. #define SMARTCARD_CLEAR_PEF USART_ICR_PECF /*!< SMARTCARD parity error clear flag */
  184. #define SMARTCARD_CLEAR_FEF USART_ICR_FECF /*!< SMARTCARD framing error clear flag */
  185. #define SMARTCARD_CLEAR_NEF USART_ICR_NECF /*!< SMARTCARD noise error detected clear flag */
  186. #define SMARTCARD_CLEAR_OREF USART_ICR_ORECF /*!< SMARTCARD overrun error clear flag */
  187. #define SMARTCARD_CLEAR_IDLEF USART_ICR_IDLECF /*!< SMARTCARD idle line detected clear flag */
  188. #if defined(USART_CR1_FIFOEN)
  189. #define SMARTCARD_CLEAR_TXFECF USART_ICR_TXFECF /*!< TXFIFO empty Clear Flag */
  190. #endif /* USART_CR1_FIFOEN */
  191. #define SMARTCARD_CLEAR_TCF USART_ICR_TCCF /*!< SMARTCARD transmission complete clear flag */
  192. #if defined(USART_TCBGT_SUPPORT)
  193. #define SMARTCARD_CLEAR_TCBGTF USART_ICR_TCBGTCF /*!< SMARTCARD transmission complete before guard time completion clear flag */
  194. #endif /* USART_TCBGT_SUPPORT */
  195. #define SMARTCARD_CLEAR_RTOF USART_ICR_RTOCF /*!< SMARTCARD receiver time out clear flag */
  196. #define SMARTCARD_CLEAR_EOBF USART_ICR_EOBCF /*!< SMARTCARD end of block clear flag */
  197. /**
  198. * @}
  199. */
  200. /**
  201. * @}
  202. */
  203. /* Exported macros -----------------------------------------------------------*/
  204. /* Private macros ------------------------------------------------------------*/
  205. /** @defgroup SMARTCARDEx_Private_Macros SMARTCARD Extended Private Macros
  206. * @{
  207. */
  208. /** @brief Set the Transmission Completion flag
  209. * @param __HANDLE__ specifies the SMARTCARD Handle.
  210. * @note If TCBGT (Transmission Complete Before Guard Time) flag is not available or if
  211. * AdvancedInit.TxCompletionIndication is not already filled, the latter is forced
  212. * to SMARTCARD_TC (transmission completion indication when guard time has elapsed).
  213. * @retval None
  214. */
  215. #if defined(USART_TCBGT_SUPPORT)
  216. #define SMARTCARD_TRANSMISSION_COMPLETION_SETTING(__HANDLE__) \
  217. do { \
  218. if (HAL_IS_BIT_CLR((__HANDLE__)->AdvancedInit.AdvFeatureInit, SMARTCARD_ADVFEATURE_TXCOMPLETION)) \
  219. { \
  220. (__HANDLE__)->AdvancedInit.TxCompletionIndication = SMARTCARD_TC; \
  221. } \
  222. else \
  223. { \
  224. assert_param(IS_SMARTCARD_TRANSMISSION_COMPLETION((__HANDLE__)->AdvancedInit.TxCompletionIndication)); \
  225. } \
  226. } while(0U)
  227. #else
  228. #define SMARTCARD_TRANSMISSION_COMPLETION_SETTING(__HANDLE__) \
  229. do { \
  230. (__HANDLE__)->AdvancedInit.TxCompletionIndication = SMARTCARD_TC; \
  231. } while(0U)
  232. #endif /* USART_TCBGT_SUPPORT */
  233. /** @brief Return the transmission completion flag.
  234. * @param __HANDLE__ specifies the SMARTCARD Handle.
  235. * @note Based on AdvancedInit.TxCompletionIndication setting, return TC or TCBGT flag.
  236. * When TCBGT flag (Transmission Complete Before Guard Time) is not available, TC flag is
  237. * reported.
  238. * @retval Transmission completion flag
  239. */
  240. #if defined(USART_TCBGT_SUPPORT)
  241. #define SMARTCARD_TRANSMISSION_COMPLETION_FLAG(__HANDLE__) \
  242. (((__HANDLE__)->AdvancedInit.TxCompletionIndication == SMARTCARD_TC) ? (SMARTCARD_FLAG_TC) : (SMARTCARD_FLAG_TCBGT))
  243. #else
  244. #define SMARTCARD_TRANSMISSION_COMPLETION_FLAG(__HANDLE__) (SMARTCARD_FLAG_TC)
  245. #endif /* USART_TCBGT_SUPPORT */
  246. /** @brief Ensure that SMARTCARD frame transmission completion used flag is valid.
  247. * @param __TXCOMPLETE__ SMARTCARD frame transmission completion used flag.
  248. * @retval SET (__TXCOMPLETE__ is valid) or RESET (__TXCOMPLETE__ is invalid)
  249. */
  250. #if defined(USART_TCBGT_SUPPORT)
  251. #define IS_SMARTCARD_TRANSMISSION_COMPLETION(__TXCOMPLETE__) (((__TXCOMPLETE__) == SMARTCARD_TCBGT) || \
  252. ((__TXCOMPLETE__) == SMARTCARD_TC))
  253. #else
  254. #define IS_SMARTCARD_TRANSMISSION_COMPLETION(__TXCOMPLETE__) ((__TXCOMPLETE__) == SMARTCARD_TC)
  255. #endif /* USART_TCBGT_SUPPORT */
  256. #if defined(USART_CR1_FIFOEN)
  257. /** @brief Ensure that SMARTCARD FIFO mode is valid.
  258. * @param __STATE__ SMARTCARD FIFO mode.
  259. * @retval SET (__STATE__ is valid) or RESET (__STATE__ is invalid)
  260. */
  261. #define IS_SMARTCARD_FIFOMODE_STATE(__STATE__) (((__STATE__) == SMARTCARD_FIFOMODE_DISABLE ) || \
  262. ((__STATE__) == SMARTCARD_FIFOMODE_ENABLE))
  263. /** @brief Ensure that SMARTCARD TXFIFO threshold level is valid.
  264. * @param __THRESHOLD__ SMARTCARD TXFIFO threshold level.
  265. * @retval SET (__THRESHOLD__ is valid) or RESET (__THRESHOLD__ is invalid)
  266. */
  267. #define IS_SMARTCARD_TXFIFO_THRESHOLD(__THRESHOLD__) (((__THRESHOLD__) == SMARTCARD_TXFIFO_THRESHOLD_1_8) || \
  268. ((__THRESHOLD__) == SMARTCARD_TXFIFO_THRESHOLD_1_4) || \
  269. ((__THRESHOLD__) == SMARTCARD_TXFIFO_THRESHOLD_1_2) || \
  270. ((__THRESHOLD__) == SMARTCARD_TXFIFO_THRESHOLD_3_4) || \
  271. ((__THRESHOLD__) == SMARTCARD_TXFIFO_THRESHOLD_7_8) || \
  272. ((__THRESHOLD__) == SMARTCARD_TXFIFO_THRESHOLD_8_8))
  273. /** @brief Ensure that SMARTCARD RXFIFO threshold level is valid.
  274. * @param __THRESHOLD__ SMARTCARD RXFIFO threshold level.
  275. * @retval SET (__THRESHOLD__ is valid) or RESET (__THRESHOLD__ is invalid)
  276. */
  277. #define IS_SMARTCARD_RXFIFO_THRESHOLD(__THRESHOLD__) (((__THRESHOLD__) == SMARTCARD_RXFIFO_THRESHOLD_1_8) || \
  278. ((__THRESHOLD__) == SMARTCARD_RXFIFO_THRESHOLD_1_4) || \
  279. ((__THRESHOLD__) == SMARTCARD_RXFIFO_THRESHOLD_1_2) || \
  280. ((__THRESHOLD__) == SMARTCARD_RXFIFO_THRESHOLD_3_4) || \
  281. ((__THRESHOLD__) == SMARTCARD_RXFIFO_THRESHOLD_7_8) || \
  282. ((__THRESHOLD__) == SMARTCARD_RXFIFO_THRESHOLD_8_8))
  283. #endif /* USART_CR1_FIFOEN */
  284. /**
  285. * @}
  286. */
  287. /* Exported functions --------------------------------------------------------*/
  288. /** @addtogroup SMARTCARDEx_Exported_Functions
  289. * @{
  290. */
  291. /* Initialization and de-initialization functions ****************************/
  292. /* IO operation methods *******************************************************/
  293. /** @addtogroup SMARTCARDEx_Exported_Functions_Group1
  294. * @{
  295. */
  296. /* Peripheral Control functions ***********************************************/
  297. void HAL_SMARTCARDEx_BlockLength_Config(SMARTCARD_HandleTypeDef *hsmartcard, uint8_t BlockLength);
  298. void HAL_SMARTCARDEx_TimeOut_Config(SMARTCARD_HandleTypeDef *hsmartcard, uint32_t TimeOutValue);
  299. HAL_StatusTypeDef HAL_SMARTCARDEx_EnableReceiverTimeOut(SMARTCARD_HandleTypeDef *hsmartcard);
  300. HAL_StatusTypeDef HAL_SMARTCARDEx_DisableReceiverTimeOut(SMARTCARD_HandleTypeDef *hsmartcard);
  301. /**
  302. * @}
  303. */
  304. /* Exported functions --------------------------------------------------------*/
  305. /** @addtogroup SMARTCARDEx_Exported_Functions_Group2
  306. * @{
  307. */
  308. /* IO operation functions *****************************************************/
  309. #if defined(USART_CR1_FIFOEN)
  310. void HAL_SMARTCARDEx_RxFifoFullCallback(SMARTCARD_HandleTypeDef *hsmartcard);
  311. void HAL_SMARTCARDEx_TxFifoEmptyCallback(SMARTCARD_HandleTypeDef *hsmartcard);
  312. #endif /* USART_CR1_FIFOEN */
  313. /**
  314. * @}
  315. */
  316. /** @addtogroup SMARTCARDEx_Exported_Functions_Group3
  317. * @{
  318. */
  319. /* Peripheral Control functions ***********************************************/
  320. #if defined(USART_CR1_FIFOEN)
  321. HAL_StatusTypeDef HAL_SMARTCARDEx_EnableFifoMode(SMARTCARD_HandleTypeDef *hsmartcard);
  322. HAL_StatusTypeDef HAL_SMARTCARDEx_DisableFifoMode(SMARTCARD_HandleTypeDef *hsmartcard);
  323. HAL_StatusTypeDef HAL_SMARTCARDEx_SetTxFifoThreshold(SMARTCARD_HandleTypeDef *hsmartcard, uint32_t Threshold);
  324. HAL_StatusTypeDef HAL_SMARTCARDEx_SetRxFifoThreshold(SMARTCARD_HandleTypeDef *hsmartcard, uint32_t Threshold);
  325. #endif /* USART_CR1_FIFOEN */
  326. /**
  327. * @}
  328. */
  329. /**
  330. * @}
  331. */
  332. /* Private functions ---------------------------------------------------------*/
  333. /**
  334. * @}
  335. */
  336. /**
  337. * @}
  338. */
  339. #ifdef __cplusplus
  340. }
  341. #endif
  342. #endif /* STM32L4xx_HAL_SMARTCARD_EX_H */