stm32l0xx_hal_uart.h 81 KB

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  1. /**
  2. ******************************************************************************
  3. * @file stm32l0xx_hal_uart.h
  4. * @author MCD Application Team
  5. * @brief Header file of UART HAL 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 STM32L0xx_HAL_UART_H
  20. #define STM32L0xx_HAL_UART_H
  21. #ifdef __cplusplus
  22. extern "C" {
  23. #endif
  24. /* Includes ------------------------------------------------------------------*/
  25. #include "stm32l0xx_hal_def.h"
  26. /** @addtogroup STM32L0xx_HAL_Driver
  27. * @{
  28. */
  29. /** @addtogroup UART
  30. * @{
  31. */
  32. /* Exported types ------------------------------------------------------------*/
  33. /** @defgroup UART_Exported_Types UART Exported Types
  34. * @{
  35. */
  36. /**
  37. * @brief UART Init Structure definition
  38. */
  39. typedef struct
  40. {
  41. uint32_t BaudRate; /*!< This member configures the UART communication baud rate.
  42. The baud rate register is computed using the following formula:
  43. LPUART:
  44. =======
  45. Baud Rate Register = ((256 * lpuart_ker_ck) / ((huart->Init.BaudRate)))
  46. where lpuart_ker_ck is the UART input clock
  47. UART:
  48. =====
  49. - If oversampling is 16 or in LIN mode,
  50. Baud Rate Register = ((uart_ker_ck) / ((huart->Init.BaudRate)))
  51. - If oversampling is 8,
  52. Baud Rate Register[15:4] = ((2 * uart_ker_ck) /
  53. ((huart->Init.BaudRate)))[15:4]
  54. Baud Rate Register[3] = 0
  55. Baud Rate Register[2:0] = (((2 * uart_ker_ck) /
  56. ((huart->Init.BaudRate)))[3:0]) >> 1
  57. where uart_ker_ck is the UART input clock */
  58. uint32_t WordLength; /*!< Specifies the number of data bits transmitted or received in a frame.
  59. This parameter can be a value of @ref UARTEx_Word_Length. */
  60. uint32_t StopBits; /*!< Specifies the number of stop bits transmitted.
  61. This parameter can be a value of @ref UART_Stop_Bits. */
  62. uint32_t Parity; /*!< Specifies the parity mode.
  63. This parameter can be a value of @ref UART_Parity
  64. @note When parity is enabled, the computed parity is inserted
  65. at the MSB position of the transmitted data (9th bit when
  66. the word length is set to 9 data bits; 8th bit when the
  67. word length is set to 8 data bits). */
  68. uint32_t Mode; /*!< Specifies whether the Receive or Transmit mode is enabled or disabled.
  69. This parameter can be a value of @ref UART_Mode. */
  70. uint32_t HwFlowCtl; /*!< Specifies whether the hardware flow control mode is enabled
  71. or disabled.
  72. This parameter can be a value of @ref UART_Hardware_Flow_Control. */
  73. uint32_t OverSampling; /*!< Specifies whether the Over sampling 8 is enabled or disabled,
  74. to achieve higher speed (up to f_PCLK/8).
  75. This parameter can be a value of @ref UART_Over_Sampling. */
  76. uint32_t OneBitSampling; /*!< Specifies whether a single sample or three samples' majority vote is selected.
  77. Selecting the single sample method increases the receiver tolerance to clock
  78. deviations. This parameter can be a value of @ref UART_OneBit_Sampling. */
  79. } UART_InitTypeDef;
  80. /**
  81. * @brief UART Advanced Features initialization structure definition
  82. */
  83. typedef struct
  84. {
  85. uint32_t AdvFeatureInit; /*!< Specifies which advanced UART features is initialized. Several
  86. Advanced Features may be initialized at the same time .
  87. This parameter can be a value of
  88. @ref UART_Advanced_Features_Initialization_Type. */
  89. uint32_t TxPinLevelInvert; /*!< Specifies whether the TX pin active level is inverted.
  90. This parameter can be a value of @ref UART_Tx_Inv. */
  91. uint32_t RxPinLevelInvert; /*!< Specifies whether the RX pin active level is inverted.
  92. This parameter can be a value of @ref UART_Rx_Inv. */
  93. uint32_t DataInvert; /*!< Specifies whether data are inverted (positive/direct logic
  94. vs negative/inverted logic).
  95. This parameter can be a value of @ref UART_Data_Inv. */
  96. uint32_t Swap; /*!< Specifies whether TX and RX pins are swapped.
  97. This parameter can be a value of @ref UART_Rx_Tx_Swap. */
  98. uint32_t OverrunDisable; /*!< Specifies whether the reception overrun detection is disabled.
  99. This parameter can be a value of @ref UART_Overrun_Disable. */
  100. uint32_t DMADisableonRxError; /*!< Specifies whether the DMA is disabled in case of reception error.
  101. This parameter can be a value of @ref UART_DMA_Disable_on_Rx_Error. */
  102. uint32_t AutoBaudRateEnable; /*!< Specifies whether auto Baud rate detection is enabled.
  103. This parameter can be a value of @ref UART_AutoBaudRate_Enable. */
  104. uint32_t AutoBaudRateMode; /*!< If auto Baud rate detection is enabled, specifies how the rate
  105. detection is carried out.
  106. This parameter can be a value of @ref UART_AutoBaud_Rate_Mode. */
  107. uint32_t MSBFirst; /*!< Specifies whether MSB is sent first on UART line.
  108. This parameter can be a value of @ref UART_MSB_First. */
  109. } UART_AdvFeatureInitTypeDef;
  110. /**
  111. * @brief HAL UART State definition
  112. * @note HAL UART State value is a combination of 2 different substates:
  113. * gState and RxState (see @ref UART_State_Definition).
  114. * - gState contains UART state information related to global Handle management
  115. * and also information related to Tx operations.
  116. * gState value coding follow below described bitmap :
  117. * b7-b6 Error information
  118. * 00 : No Error
  119. * 01 : (Not Used)
  120. * 10 : Timeout
  121. * 11 : Error
  122. * b5 Peripheral initialization status
  123. * 0 : Reset (Peripheral not initialized)
  124. * 1 : Init done (Peripheral initialized. HAL UART Init function already called)
  125. * b4-b3 (not used)
  126. * xx : Should be set to 00
  127. * b2 Intrinsic process state
  128. * 0 : Ready
  129. * 1 : Busy (Peripheral busy with some configuration or internal operations)
  130. * b1 (not used)
  131. * x : Should be set to 0
  132. * b0 Tx state
  133. * 0 : Ready (no Tx operation ongoing)
  134. * 1 : Busy (Tx operation ongoing)
  135. * - RxState contains information related to Rx operations.
  136. * RxState value coding follow below described bitmap :
  137. * b7-b6 (not used)
  138. * xx : Should be set to 00
  139. * b5 Peripheral initialization status
  140. * 0 : Reset (Peripheral not initialized)
  141. * 1 : Init done (Peripheral initialized)
  142. * b4-b2 (not used)
  143. * xxx : Should be set to 000
  144. * b1 Rx state
  145. * 0 : Ready (no Rx operation ongoing)
  146. * 1 : Busy (Rx operation ongoing)
  147. * b0 (not used)
  148. * x : Should be set to 0.
  149. */
  150. typedef uint32_t HAL_UART_StateTypeDef;
  151. /**
  152. * @brief UART clock sources definition
  153. */
  154. typedef enum
  155. {
  156. UART_CLOCKSOURCE_PCLK1 = 0x00U, /*!< PCLK1 clock source */
  157. UART_CLOCKSOURCE_PCLK2 = 0x01U, /*!< PCLK2 clock source */
  158. UART_CLOCKSOURCE_HSI = 0x02U, /*!< HSI clock source */
  159. UART_CLOCKSOURCE_SYSCLK = 0x04U, /*!< SYSCLK clock source */
  160. UART_CLOCKSOURCE_LSE = 0x08U, /*!< LSE clock source */
  161. UART_CLOCKSOURCE_UNDEFINED = 0x10U /*!< Undefined clock source */
  162. } UART_ClockSourceTypeDef;
  163. /**
  164. * @brief HAL UART Reception type definition
  165. * @note HAL UART Reception type value aims to identify which type of Reception is ongoing.
  166. * This parameter can be a value of @ref UART_Reception_Type_Values :
  167. * HAL_UART_RECEPTION_STANDARD = 0x00U,
  168. * HAL_UART_RECEPTION_TOIDLE = 0x01U,
  169. * HAL_UART_RECEPTION_TORTO = 0x02U,
  170. * HAL_UART_RECEPTION_TOCHARMATCH = 0x03U,
  171. */
  172. typedef uint32_t HAL_UART_RxTypeTypeDef;
  173. /**
  174. * @brief HAL UART Rx Event type definition
  175. * @note HAL UART Rx Event type value aims to identify which type of Event has occurred
  176. * leading to call of the RxEvent callback.
  177. * This parameter can be a value of @ref UART_RxEvent_Type_Values :
  178. * HAL_UART_RXEVENT_TC = 0x00U,
  179. * HAL_UART_RXEVENT_HT = 0x01U,
  180. * HAL_UART_RXEVENT_IDLE = 0x02U,
  181. */
  182. typedef uint32_t HAL_UART_RxEventTypeTypeDef;
  183. /**
  184. * @brief UART handle Structure definition
  185. */
  186. typedef struct __UART_HandleTypeDef
  187. {
  188. USART_TypeDef *Instance; /*!< UART registers base address */
  189. UART_InitTypeDef Init; /*!< UART communication parameters */
  190. UART_AdvFeatureInitTypeDef AdvancedInit; /*!< UART Advanced Features initialization parameters */
  191. const uint8_t *pTxBuffPtr; /*!< Pointer to UART Tx transfer Buffer */
  192. uint16_t TxXferSize; /*!< UART Tx Transfer size */
  193. __IO uint16_t TxXferCount; /*!< UART Tx Transfer Counter */
  194. uint8_t *pRxBuffPtr; /*!< Pointer to UART Rx transfer Buffer */
  195. uint16_t RxXferSize; /*!< UART Rx Transfer size */
  196. __IO uint16_t RxXferCount; /*!< UART Rx Transfer Counter */
  197. uint16_t Mask; /*!< UART Rx RDR register mask */
  198. __IO HAL_UART_RxTypeTypeDef ReceptionType; /*!< Type of ongoing reception */
  199. __IO HAL_UART_RxEventTypeTypeDef RxEventType; /*!< Type of Rx Event */
  200. void (*RxISR)(struct __UART_HandleTypeDef *huart); /*!< Function pointer on Rx IRQ handler */
  201. void (*TxISR)(struct __UART_HandleTypeDef *huart); /*!< Function pointer on Tx IRQ handler */
  202. DMA_HandleTypeDef *hdmatx; /*!< UART Tx DMA Handle parameters */
  203. DMA_HandleTypeDef *hdmarx; /*!< UART Rx DMA Handle parameters */
  204. HAL_LockTypeDef Lock; /*!< Locking object */
  205. __IO HAL_UART_StateTypeDef gState; /*!< UART state information related to global Handle management
  206. and also related to Tx operations. This parameter
  207. can be a value of @ref HAL_UART_StateTypeDef */
  208. __IO HAL_UART_StateTypeDef RxState; /*!< UART state information related to Rx operations. This
  209. parameter can be a value of @ref HAL_UART_StateTypeDef */
  210. __IO uint32_t ErrorCode; /*!< UART Error code */
  211. #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
  212. void (* TxHalfCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Tx Half Complete Callback */
  213. void (* TxCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Tx Complete Callback */
  214. void (* RxHalfCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Rx Half Complete Callback */
  215. void (* RxCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Rx Complete Callback */
  216. void (* ErrorCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Error Callback */
  217. void (* AbortCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Abort Complete Callback */
  218. void (* AbortTransmitCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Abort Transmit Complete Callback */
  219. void (* AbortReceiveCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Abort Receive Complete Callback */
  220. void (* WakeupCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Wakeup Callback */
  221. void (* RxEventCallback)(struct __UART_HandleTypeDef *huart, uint16_t Pos); /*!< UART Reception Event Callback */
  222. void (* MspInitCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Msp Init callback */
  223. void (* MspDeInitCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Msp DeInit callback */
  224. #endif /* USE_HAL_UART_REGISTER_CALLBACKS */
  225. } UART_HandleTypeDef;
  226. #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
  227. /**
  228. * @brief HAL UART Callback ID enumeration definition
  229. */
  230. typedef enum
  231. {
  232. HAL_UART_TX_HALFCOMPLETE_CB_ID = 0x00U, /*!< UART Tx Half Complete Callback ID */
  233. HAL_UART_TX_COMPLETE_CB_ID = 0x01U, /*!< UART Tx Complete Callback ID */
  234. HAL_UART_RX_HALFCOMPLETE_CB_ID = 0x02U, /*!< UART Rx Half Complete Callback ID */
  235. HAL_UART_RX_COMPLETE_CB_ID = 0x03U, /*!< UART Rx Complete Callback ID */
  236. HAL_UART_ERROR_CB_ID = 0x04U, /*!< UART Error Callback ID */
  237. HAL_UART_ABORT_COMPLETE_CB_ID = 0x05U, /*!< UART Abort Complete Callback ID */
  238. HAL_UART_ABORT_TRANSMIT_COMPLETE_CB_ID = 0x06U, /*!< UART Abort Transmit Complete Callback ID */
  239. HAL_UART_ABORT_RECEIVE_COMPLETE_CB_ID = 0x07U, /*!< UART Abort Receive Complete Callback ID */
  240. HAL_UART_WAKEUP_CB_ID = 0x08U, /*!< UART Wakeup Callback ID */
  241. HAL_UART_MSPINIT_CB_ID = 0x0BU, /*!< UART MspInit callback ID */
  242. HAL_UART_MSPDEINIT_CB_ID = 0x0CU /*!< UART MspDeInit callback ID */
  243. } HAL_UART_CallbackIDTypeDef;
  244. /**
  245. * @brief HAL UART Callback pointer definition
  246. */
  247. typedef void (*pUART_CallbackTypeDef)(UART_HandleTypeDef *huart); /*!< pointer to an UART callback function */
  248. typedef void (*pUART_RxEventCallbackTypeDef)
  249. (struct __UART_HandleTypeDef *huart, uint16_t Pos); /*!< pointer to a UART Rx Event specific callback function */
  250. #endif /* USE_HAL_UART_REGISTER_CALLBACKS */
  251. /**
  252. * @}
  253. */
  254. /* Exported constants --------------------------------------------------------*/
  255. /** @defgroup UART_Exported_Constants UART Exported Constants
  256. * @{
  257. */
  258. /** @defgroup UART_State_Definition UART State Code Definition
  259. * @{
  260. */
  261. #define HAL_UART_STATE_RESET 0x00000000U /*!< Peripheral is not initialized
  262. Value is allowed for gState and RxState */
  263. #define HAL_UART_STATE_READY 0x00000020U /*!< Peripheral Initialized and ready for use
  264. Value is allowed for gState and RxState */
  265. #define HAL_UART_STATE_BUSY 0x00000024U /*!< an internal process is ongoing
  266. Value is allowed for gState only */
  267. #define HAL_UART_STATE_BUSY_TX 0x00000021U /*!< Data Transmission process is ongoing
  268. Value is allowed for gState only */
  269. #define HAL_UART_STATE_BUSY_RX 0x00000022U /*!< Data Reception process is ongoing
  270. Value is allowed for RxState only */
  271. #define HAL_UART_STATE_BUSY_TX_RX 0x00000023U /*!< Data Transmission and Reception process is ongoing
  272. Not to be used for neither gState nor RxState.Value is result
  273. of combination (Or) between gState and RxState values */
  274. #define HAL_UART_STATE_TIMEOUT 0x000000A0U /*!< Timeout state
  275. Value is allowed for gState only */
  276. #define HAL_UART_STATE_ERROR 0x000000E0U /*!< Error
  277. Value is allowed for gState only */
  278. /**
  279. * @}
  280. */
  281. /** @defgroup UART_Error_Definition UART Error Definition
  282. * @{
  283. */
  284. #define HAL_UART_ERROR_NONE (0x00000000U) /*!< No error */
  285. #define HAL_UART_ERROR_PE (0x00000001U) /*!< Parity error */
  286. #define HAL_UART_ERROR_NE (0x00000002U) /*!< Noise error */
  287. #define HAL_UART_ERROR_FE (0x00000004U) /*!< Frame error */
  288. #define HAL_UART_ERROR_ORE (0x00000008U) /*!< Overrun error */
  289. #define HAL_UART_ERROR_DMA (0x00000010U) /*!< DMA transfer error */
  290. #define HAL_UART_ERROR_RTO (0x00000020U) /*!< Receiver Timeout error */
  291. #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
  292. #define HAL_UART_ERROR_INVALID_CALLBACK (0x00000040U) /*!< Invalid Callback error */
  293. #endif /* USE_HAL_UART_REGISTER_CALLBACKS */
  294. /**
  295. * @}
  296. */
  297. /** @defgroup UART_Stop_Bits UART Number of Stop Bits
  298. * @{
  299. */
  300. #define UART_STOPBITS_0_5 USART_CR2_STOP_0 /*!< UART frame with 0.5 stop bit */
  301. #define UART_STOPBITS_1 0x00000000U /*!< UART frame with 1 stop bit */
  302. #define UART_STOPBITS_1_5 (USART_CR2_STOP_0 | USART_CR2_STOP_1) /*!< UART frame with 1.5 stop bits */
  303. #define UART_STOPBITS_2 USART_CR2_STOP_1 /*!< UART frame with 2 stop bits */
  304. /**
  305. * @}
  306. */
  307. /** @defgroup UART_Parity UART Parity
  308. * @{
  309. */
  310. #define UART_PARITY_NONE 0x00000000U /*!< No parity */
  311. #define UART_PARITY_EVEN USART_CR1_PCE /*!< Even parity */
  312. #define UART_PARITY_ODD (USART_CR1_PCE | USART_CR1_PS) /*!< Odd parity */
  313. /**
  314. * @}
  315. */
  316. /** @defgroup UART_Hardware_Flow_Control UART Hardware Flow Control
  317. * @{
  318. */
  319. #define UART_HWCONTROL_NONE 0x00000000U /*!< No hardware control */
  320. #define UART_HWCONTROL_RTS USART_CR3_RTSE /*!< Request To Send */
  321. #define UART_HWCONTROL_CTS USART_CR3_CTSE /*!< Clear To Send */
  322. #define UART_HWCONTROL_RTS_CTS (USART_CR3_RTSE | USART_CR3_CTSE) /*!< Request and Clear To Send */
  323. /**
  324. * @}
  325. */
  326. /** @defgroup UART_Mode UART Transfer Mode
  327. * @{
  328. */
  329. #define UART_MODE_RX USART_CR1_RE /*!< RX mode */
  330. #define UART_MODE_TX USART_CR1_TE /*!< TX mode */
  331. #define UART_MODE_TX_RX (USART_CR1_TE |USART_CR1_RE) /*!< RX and TX mode */
  332. /**
  333. * @}
  334. */
  335. /** @defgroup UART_State UART State
  336. * @{
  337. */
  338. #define UART_STATE_DISABLE 0x00000000U /*!< UART disabled */
  339. #define UART_STATE_ENABLE USART_CR1_UE /*!< UART enabled */
  340. /**
  341. * @}
  342. */
  343. /** @defgroup UART_Over_Sampling UART Over Sampling
  344. * @{
  345. */
  346. #define UART_OVERSAMPLING_16 0x00000000U /*!< Oversampling by 16 */
  347. #define UART_OVERSAMPLING_8 USART_CR1_OVER8 /*!< Oversampling by 8 */
  348. /**
  349. * @}
  350. */
  351. /** @defgroup UART_OneBit_Sampling UART One Bit Sampling Method
  352. * @{
  353. */
  354. #define UART_ONE_BIT_SAMPLE_DISABLE 0x00000000U /*!< One-bit sampling disable */
  355. #define UART_ONE_BIT_SAMPLE_ENABLE USART_CR3_ONEBIT /*!< One-bit sampling enable */
  356. /**
  357. * @}
  358. */
  359. /** @defgroup UART_AutoBaud_Rate_Mode UART Advanced Feature AutoBaud Rate Mode
  360. * @{
  361. */
  362. #define UART_ADVFEATURE_AUTOBAUDRATE_ONSTARTBIT 0x00000000U /*!< Auto Baud rate detection
  363. on start bit */
  364. #define UART_ADVFEATURE_AUTOBAUDRATE_ONFALLINGEDGE USART_CR2_ABRMODE_0 /*!< Auto Baud rate detection
  365. on falling edge */
  366. #define UART_ADVFEATURE_AUTOBAUDRATE_ON0X7FFRAME USART_CR2_ABRMODE_1 /*!< Auto Baud rate detection
  367. on 0x7F frame detection */
  368. #define UART_ADVFEATURE_AUTOBAUDRATE_ON0X55FRAME USART_CR2_ABRMODE /*!< Auto Baud rate detection
  369. on 0x55 frame detection */
  370. /**
  371. * @}
  372. */
  373. /** @defgroup UART_Receiver_Timeout UART Receiver Timeout
  374. * @{
  375. */
  376. #define UART_RECEIVER_TIMEOUT_DISABLE 0x00000000U /*!< UART Receiver Timeout disable */
  377. #define UART_RECEIVER_TIMEOUT_ENABLE USART_CR2_RTOEN /*!< UART Receiver Timeout enable */
  378. /**
  379. * @}
  380. */
  381. /** @defgroup UART_LIN UART Local Interconnection Network mode
  382. * @{
  383. */
  384. #define UART_LIN_DISABLE 0x00000000U /*!< Local Interconnect Network disable */
  385. #define UART_LIN_ENABLE USART_CR2_LINEN /*!< Local Interconnect Network enable */
  386. /**
  387. * @}
  388. */
  389. /** @defgroup UART_LIN_Break_Detection UART LIN Break Detection
  390. * @{
  391. */
  392. #define UART_LINBREAKDETECTLENGTH_10B 0x00000000U /*!< LIN 10-bit break detection length */
  393. #define UART_LINBREAKDETECTLENGTH_11B USART_CR2_LBDL /*!< LIN 11-bit break detection length */
  394. /**
  395. * @}
  396. */
  397. /** @defgroup UART_DMA_Tx UART DMA Tx
  398. * @{
  399. */
  400. #define UART_DMA_TX_DISABLE 0x00000000U /*!< UART DMA TX disabled */
  401. #define UART_DMA_TX_ENABLE USART_CR3_DMAT /*!< UART DMA TX enabled */
  402. /**
  403. * @}
  404. */
  405. /** @defgroup UART_DMA_Rx UART DMA Rx
  406. * @{
  407. */
  408. #define UART_DMA_RX_DISABLE 0x00000000U /*!< UART DMA RX disabled */
  409. #define UART_DMA_RX_ENABLE USART_CR3_DMAR /*!< UART DMA RX enabled */
  410. /**
  411. * @}
  412. */
  413. /** @defgroup UART_Half_Duplex_Selection UART Half Duplex Selection
  414. * @{
  415. */
  416. #define UART_HALF_DUPLEX_DISABLE 0x00000000U /*!< UART half-duplex disabled */
  417. #define UART_HALF_DUPLEX_ENABLE USART_CR3_HDSEL /*!< UART half-duplex enabled */
  418. /**
  419. * @}
  420. */
  421. /** @defgroup UART_WakeUp_Methods UART WakeUp Methods
  422. * @{
  423. */
  424. #define UART_WAKEUPMETHOD_IDLELINE 0x00000000U /*!< UART wake-up on idle line */
  425. #define UART_WAKEUPMETHOD_ADDRESSMARK USART_CR1_WAKE /*!< UART wake-up on address mark */
  426. /**
  427. * @}
  428. */
  429. /** @defgroup UART_Request_Parameters UART Request Parameters
  430. * @{
  431. */
  432. #define UART_AUTOBAUD_REQUEST USART_RQR_ABRRQ /*!< Auto-Baud Rate Request */
  433. #define UART_SENDBREAK_REQUEST USART_RQR_SBKRQ /*!< Send Break Request */
  434. #define UART_MUTE_MODE_REQUEST USART_RQR_MMRQ /*!< Mute Mode Request */
  435. #define UART_RXDATA_FLUSH_REQUEST USART_RQR_RXFRQ /*!< Receive Data flush Request */
  436. #define UART_TXDATA_FLUSH_REQUEST USART_RQR_TXFRQ /*!< Transmit data flush Request */
  437. /**
  438. * @}
  439. */
  440. /** @defgroup UART_Advanced_Features_Initialization_Type UART Advanced Feature Initialization Type
  441. * @{
  442. */
  443. #define UART_ADVFEATURE_NO_INIT 0x00000000U /*!< No advanced feature initialization */
  444. #define UART_ADVFEATURE_TXINVERT_INIT 0x00000001U /*!< TX pin active level inversion */
  445. #define UART_ADVFEATURE_RXINVERT_INIT 0x00000002U /*!< RX pin active level inversion */
  446. #define UART_ADVFEATURE_DATAINVERT_INIT 0x00000004U /*!< Binary data inversion */
  447. #define UART_ADVFEATURE_SWAP_INIT 0x00000008U /*!< TX/RX pins swap */
  448. #define UART_ADVFEATURE_RXOVERRUNDISABLE_INIT 0x00000010U /*!< RX overrun disable */
  449. #define UART_ADVFEATURE_DMADISABLEONERROR_INIT 0x00000020U /*!< DMA disable on Reception Error */
  450. #define UART_ADVFEATURE_AUTOBAUDRATE_INIT 0x00000040U /*!< Auto Baud rate detection initialization */
  451. #define UART_ADVFEATURE_MSBFIRST_INIT 0x00000080U /*!< Most significant bit sent/received first */
  452. /**
  453. * @}
  454. */
  455. /** @defgroup UART_Tx_Inv UART Advanced Feature TX Pin Active Level Inversion
  456. * @{
  457. */
  458. #define UART_ADVFEATURE_TXINV_DISABLE 0x00000000U /*!< TX pin active level inversion disable */
  459. #define UART_ADVFEATURE_TXINV_ENABLE USART_CR2_TXINV /*!< TX pin active level inversion enable */
  460. /**
  461. * @}
  462. */
  463. /** @defgroup UART_Rx_Inv UART Advanced Feature RX Pin Active Level Inversion
  464. * @{
  465. */
  466. #define UART_ADVFEATURE_RXINV_DISABLE 0x00000000U /*!< RX pin active level inversion disable */
  467. #define UART_ADVFEATURE_RXINV_ENABLE USART_CR2_RXINV /*!< RX pin active level inversion enable */
  468. /**
  469. * @}
  470. */
  471. /** @defgroup UART_Data_Inv UART Advanced Feature Binary Data Inversion
  472. * @{
  473. */
  474. #define UART_ADVFEATURE_DATAINV_DISABLE 0x00000000U /*!< Binary data inversion disable */
  475. #define UART_ADVFEATURE_DATAINV_ENABLE USART_CR2_DATAINV /*!< Binary data inversion enable */
  476. /**
  477. * @}
  478. */
  479. /** @defgroup UART_Rx_Tx_Swap UART Advanced Feature RX TX Pins Swap
  480. * @{
  481. */
  482. #define UART_ADVFEATURE_SWAP_DISABLE 0x00000000U /*!< TX/RX pins swap disable */
  483. #define UART_ADVFEATURE_SWAP_ENABLE USART_CR2_SWAP /*!< TX/RX pins swap enable */
  484. /**
  485. * @}
  486. */
  487. /** @defgroup UART_Overrun_Disable UART Advanced Feature Overrun Disable
  488. * @{
  489. */
  490. #define UART_ADVFEATURE_OVERRUN_ENABLE 0x00000000U /*!< RX overrun enable */
  491. #define UART_ADVFEATURE_OVERRUN_DISABLE USART_CR3_OVRDIS /*!< RX overrun disable */
  492. /**
  493. * @}
  494. */
  495. /** @defgroup UART_AutoBaudRate_Enable UART Advanced Feature Auto BaudRate Enable
  496. * @{
  497. */
  498. #define UART_ADVFEATURE_AUTOBAUDRATE_DISABLE 0x00000000U /*!< RX Auto Baud rate detection enable */
  499. #define UART_ADVFEATURE_AUTOBAUDRATE_ENABLE USART_CR2_ABREN /*!< RX Auto Baud rate detection disable */
  500. /**
  501. * @}
  502. */
  503. /** @defgroup UART_DMA_Disable_on_Rx_Error UART Advanced Feature DMA Disable On Rx Error
  504. * @{
  505. */
  506. #define UART_ADVFEATURE_DMA_ENABLEONRXERROR 0x00000000U /*!< DMA enable on Reception Error */
  507. #define UART_ADVFEATURE_DMA_DISABLEONRXERROR USART_CR3_DDRE /*!< DMA disable on Reception Error */
  508. /**
  509. * @}
  510. */
  511. /** @defgroup UART_MSB_First UART Advanced Feature MSB First
  512. * @{
  513. */
  514. #define UART_ADVFEATURE_MSBFIRST_DISABLE 0x00000000U /*!< Most significant bit sent/received
  515. first disable */
  516. #define UART_ADVFEATURE_MSBFIRST_ENABLE USART_CR2_MSBFIRST /*!< Most significant bit sent/received
  517. first enable */
  518. /**
  519. * @}
  520. */
  521. /** @defgroup UART_Stop_Mode_Enable UART Advanced Feature Stop Mode Enable
  522. * @{
  523. */
  524. #define UART_ADVFEATURE_STOPMODE_DISABLE 0x00000000U /*!< UART stop mode disable */
  525. #define UART_ADVFEATURE_STOPMODE_ENABLE USART_CR1_UESM /*!< UART stop mode enable */
  526. /**
  527. * @}
  528. */
  529. /** @defgroup UART_Mute_Mode UART Advanced Feature Mute Mode Enable
  530. * @{
  531. */
  532. #define UART_ADVFEATURE_MUTEMODE_DISABLE 0x00000000U /*!< UART mute mode disable */
  533. #define UART_ADVFEATURE_MUTEMODE_ENABLE USART_CR1_MME /*!< UART mute mode enable */
  534. /**
  535. * @}
  536. */
  537. /** @defgroup UART_CR2_ADDRESS_LSB_POS UART Address-matching LSB Position In CR2 Register
  538. * @{
  539. */
  540. #define UART_CR2_ADDRESS_LSB_POS 24U /*!< UART address-matching LSB position in CR2 register */
  541. /**
  542. * @}
  543. */
  544. /** @defgroup UART_WakeUp_from_Stop_Selection UART WakeUp From Stop Selection
  545. * @{
  546. */
  547. #define UART_WAKEUP_ON_ADDRESS 0x00000000U /*!< UART wake-up on address */
  548. #define UART_WAKEUP_ON_STARTBIT USART_CR3_WUS_1 /*!< UART wake-up on start bit */
  549. #define UART_WAKEUP_ON_READDATA_NONEMPTY USART_CR3_WUS /*!< UART wake-up on receive data register
  550. not empty or RXFIFO is not empty */
  551. /**
  552. * @}
  553. */
  554. /** @defgroup UART_DriverEnable_Polarity UART DriverEnable Polarity
  555. * @{
  556. */
  557. #define UART_DE_POLARITY_HIGH 0x00000000U /*!< Driver enable signal is active high */
  558. #define UART_DE_POLARITY_LOW USART_CR3_DEP /*!< Driver enable signal is active low */
  559. /**
  560. * @}
  561. */
  562. /** @defgroup UART_CR1_DEAT_ADDRESS_LSB_POS UART Driver Enable Assertion Time LSB Position In CR1 Register
  563. * @{
  564. */
  565. #define UART_CR1_DEAT_ADDRESS_LSB_POS 21U /*!< UART Driver Enable assertion time LSB
  566. position in CR1 register */
  567. /**
  568. * @}
  569. */
  570. /** @defgroup UART_CR1_DEDT_ADDRESS_LSB_POS UART Driver Enable DeAssertion Time LSB Position In CR1 Register
  571. * @{
  572. */
  573. #define UART_CR1_DEDT_ADDRESS_LSB_POS 16U /*!< UART Driver Enable de-assertion time LSB
  574. position in CR1 register */
  575. /**
  576. * @}
  577. */
  578. /** @defgroup UART_Interruption_Mask UART Interruptions Flag Mask
  579. * @{
  580. */
  581. #define UART_IT_MASK 0x001FU /*!< UART interruptions flags mask */
  582. /**
  583. * @}
  584. */
  585. /** @defgroup UART_TimeOut_Value UART polling-based communications time-out value
  586. * @{
  587. */
  588. #define HAL_UART_TIMEOUT_VALUE 0x1FFFFFFU /*!< UART polling-based communications time-out value */
  589. /**
  590. * @}
  591. */
  592. /** @defgroup UART_Flags UART Status Flags
  593. * Elements values convention: 0xXXXX
  594. * - 0xXXXX : Flag mask in the ISR register
  595. * @{
  596. */
  597. #define UART_FLAG_REACK USART_ISR_REACK /*!< UART receive enable acknowledge flag */
  598. #define UART_FLAG_TEACK USART_ISR_TEACK /*!< UART transmit enable acknowledge flag */
  599. #define UART_FLAG_WUF USART_ISR_WUF /*!< UART wake-up from stop mode flag */
  600. #define UART_FLAG_RWU USART_ISR_RWU /*!< UART receiver wake-up from mute mode flag */
  601. #define UART_FLAG_SBKF USART_ISR_SBKF /*!< UART send break flag */
  602. #define UART_FLAG_CMF USART_ISR_CMF /*!< UART character match flag */
  603. #define UART_FLAG_BUSY USART_ISR_BUSY /*!< UART busy flag */
  604. #define UART_FLAG_ABRF USART_ISR_ABRF /*!< UART auto Baud rate flag */
  605. #define UART_FLAG_ABRE USART_ISR_ABRE /*!< UART auto Baud rate error */
  606. #define UART_FLAG_RTOF USART_ISR_RTOF /*!< UART receiver timeout flag */
  607. #define UART_FLAG_CTS USART_ISR_CTS /*!< UART clear to send flag */
  608. #define UART_FLAG_CTSIF USART_ISR_CTSIF /*!< UART clear to send interrupt flag */
  609. #define UART_FLAG_LBDF USART_ISR_LBDF /*!< UART LIN break detection flag */
  610. #define UART_FLAG_TXE USART_ISR_TXE /*!< UART transmit data register empty */
  611. #define UART_FLAG_TC USART_ISR_TC /*!< UART transmission complete */
  612. #define UART_FLAG_RXNE USART_ISR_RXNE /*!< UART read data register not empty */
  613. #define UART_FLAG_IDLE USART_ISR_IDLE /*!< UART idle flag */
  614. #define UART_FLAG_ORE USART_ISR_ORE /*!< UART overrun error */
  615. #define UART_FLAG_NE USART_ISR_NE /*!< UART noise error */
  616. #define UART_FLAG_FE USART_ISR_FE /*!< UART frame error */
  617. #define UART_FLAG_PE USART_ISR_PE /*!< UART parity error */
  618. /**
  619. * @}
  620. */
  621. /** @defgroup UART_Interrupt_definition UART Interrupts Definition
  622. * Elements values convention: 000ZZZZZ0XXYYYYYb
  623. * - YYYYY : Interrupt source position in the XX register (5bits)
  624. * - XX : Interrupt source register (2bits)
  625. * - 01: CR1 register
  626. * - 10: CR2 register
  627. * - 11: CR3 register
  628. * - ZZZZZ : Flag position in the ISR register(5bits)
  629. * Elements values convention: 000000000XXYYYYYb
  630. * - YYYYY : Interrupt source position in the XX register (5bits)
  631. * - XX : Interrupt source register (2bits)
  632. * - 01: CR1 register
  633. * - 10: CR2 register
  634. * - 11: CR3 register
  635. * Elements values convention: 0000ZZZZ00000000b
  636. * - ZZZZ : Flag position in the ISR register(4bits)
  637. * @{
  638. */
  639. #define UART_IT_PE 0x0028U /*!< UART parity error interruption */
  640. #define UART_IT_TXE 0x0727U /*!< UART transmit data register empty interruption */
  641. #define UART_IT_TC 0x0626U /*!< UART transmission complete interruption */
  642. #define UART_IT_RXNE 0x0525U /*!< UART read data register not empty interruption */
  643. #define UART_IT_IDLE 0x0424U /*!< UART idle interruption */
  644. #define UART_IT_LBD 0x0846U /*!< UART LIN break detection interruption */
  645. #define UART_IT_CTS 0x096AU /*!< UART CTS interruption */
  646. #define UART_IT_CM 0x112EU /*!< UART character match interruption */
  647. #define UART_IT_WUF 0x1476U /*!< UART wake-up from stop mode interruption */
  648. #define UART_IT_RTO 0x0B3AU /*!< UART receiver timeout interruption */
  649. #define UART_IT_ERR 0x0060U /*!< UART error interruption */
  650. #define UART_IT_ORE 0x0300U /*!< UART overrun error interruption */
  651. #define UART_IT_NE 0x0200U /*!< UART noise error interruption */
  652. #define UART_IT_FE 0x0100U /*!< UART frame error interruption */
  653. /**
  654. * @}
  655. */
  656. /** @defgroup UART_IT_CLEAR_Flags UART Interruption Clear Flags
  657. * @{
  658. */
  659. #define UART_CLEAR_PEF USART_ICR_PECF /*!< Parity Error Clear Flag */
  660. #define UART_CLEAR_FEF USART_ICR_FECF /*!< Framing Error Clear Flag */
  661. #define UART_CLEAR_NEF USART_ICR_NCF /*!< Noise Error detected Clear Flag */
  662. #define UART_CLEAR_OREF USART_ICR_ORECF /*!< Overrun Error Clear Flag */
  663. #define UART_CLEAR_IDLEF USART_ICR_IDLECF /*!< IDLE line detected Clear Flag */
  664. #define UART_CLEAR_TCF USART_ICR_TCCF /*!< Transmission Complete Clear Flag */
  665. #define UART_CLEAR_LBDF USART_ICR_LBDCF /*!< LIN Break Detection Clear Flag */
  666. #define UART_CLEAR_CTSF USART_ICR_CTSCF /*!< CTS Interrupt Clear Flag */
  667. #define UART_CLEAR_CMF USART_ICR_CMCF /*!< Character Match Clear Flag */
  668. #define UART_CLEAR_WUF USART_ICR_WUCF /*!< Wake Up from stop mode Clear Flag */
  669. #define UART_CLEAR_RTOF USART_ICR_RTOCF /*!< UART receiver timeout clear flag */
  670. /**
  671. * @}
  672. */
  673. /** @defgroup UART_Reception_Type_Values UART Reception type values
  674. * @{
  675. */
  676. #define HAL_UART_RECEPTION_STANDARD (0x00000000U) /*!< Standard reception */
  677. #define HAL_UART_RECEPTION_TOIDLE (0x00000001U) /*!< Reception till completion or IDLE event */
  678. #define HAL_UART_RECEPTION_TORTO (0x00000002U) /*!< Reception till completion or RTO event */
  679. #define HAL_UART_RECEPTION_TOCHARMATCH (0x00000003U) /*!< Reception till completion or CM event */
  680. /**
  681. * @}
  682. */
  683. /** @defgroup UART_RxEvent_Type_Values UART RxEvent type values
  684. * @{
  685. */
  686. #define HAL_UART_RXEVENT_TC (0x00000000U) /*!< RxEvent linked to Transfer Complete event */
  687. #define HAL_UART_RXEVENT_HT (0x00000001U) /*!< RxEvent linked to Half Transfer event */
  688. #define HAL_UART_RXEVENT_IDLE (0x00000002U) /*!< RxEvent linked to IDLE event */
  689. /**
  690. * @}
  691. */
  692. /**
  693. * @}
  694. */
  695. /* Exported macros -----------------------------------------------------------*/
  696. /** @defgroup UART_Exported_Macros UART Exported Macros
  697. * @{
  698. */
  699. /** @brief Reset UART handle states.
  700. * @param __HANDLE__ UART handle.
  701. * @retval None
  702. */
  703. #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
  704. #define __HAL_UART_RESET_HANDLE_STATE(__HANDLE__) do{ \
  705. (__HANDLE__)->gState = HAL_UART_STATE_RESET; \
  706. (__HANDLE__)->RxState = HAL_UART_STATE_RESET; \
  707. (__HANDLE__)->MspInitCallback = NULL; \
  708. (__HANDLE__)->MspDeInitCallback = NULL; \
  709. } while(0U)
  710. #else
  711. #define __HAL_UART_RESET_HANDLE_STATE(__HANDLE__) do{ \
  712. (__HANDLE__)->gState = HAL_UART_STATE_RESET; \
  713. (__HANDLE__)->RxState = HAL_UART_STATE_RESET; \
  714. } while(0U)
  715. #endif /*USE_HAL_UART_REGISTER_CALLBACKS */
  716. /** @brief Flush the UART Data registers.
  717. * @param __HANDLE__ specifies the UART Handle.
  718. * @retval None
  719. */
  720. #define __HAL_UART_FLUSH_DRREGISTER(__HANDLE__) \
  721. do{ \
  722. SET_BIT((__HANDLE__)->Instance->RQR, UART_RXDATA_FLUSH_REQUEST); \
  723. SET_BIT((__HANDLE__)->Instance->RQR, UART_TXDATA_FLUSH_REQUEST); \
  724. } while(0U)
  725. /** @brief Clear the specified UART pending flag.
  726. * @param __HANDLE__ specifies the UART Handle.
  727. * @param __FLAG__ specifies the flag to check.
  728. * This parameter can be any combination of the following values:
  729. * @arg @ref UART_CLEAR_PEF Parity Error Clear Flag
  730. * @arg @ref UART_CLEAR_FEF Framing Error Clear Flag
  731. * @arg @ref UART_CLEAR_NEF Noise detected Clear Flag
  732. * @arg @ref UART_CLEAR_OREF Overrun Error Clear Flag
  733. * @arg @ref UART_CLEAR_IDLEF IDLE line detected Clear Flag
  734. * @arg @ref UART_CLEAR_TCF Transmission Complete Clear Flag
  735. * @arg @ref UART_CLEAR_RTOF Receiver Timeout clear flag
  736. * @arg @ref UART_CLEAR_LBDF LIN Break Detection Clear Flag
  737. * @arg @ref UART_CLEAR_CTSF CTS Interrupt Clear Flag
  738. * @arg @ref UART_CLEAR_CMF Character Match Clear Flag
  739. * @arg @ref UART_CLEAR_WUF Wake Up from stop mode Clear Flag
  740. * @retval None
  741. */
  742. #define __HAL_UART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->ICR = (__FLAG__))
  743. /** @brief Clear the UART PE pending flag.
  744. * @param __HANDLE__ specifies the UART Handle.
  745. * @retval None
  746. */
  747. #define __HAL_UART_CLEAR_PEFLAG(__HANDLE__) __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_PEF)
  748. /** @brief Clear the UART FE pending flag.
  749. * @param __HANDLE__ specifies the UART Handle.
  750. * @retval None
  751. */
  752. #define __HAL_UART_CLEAR_FEFLAG(__HANDLE__) __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_FEF)
  753. /** @brief Clear the UART NE pending flag.
  754. * @param __HANDLE__ specifies the UART Handle.
  755. * @retval None
  756. */
  757. #define __HAL_UART_CLEAR_NEFLAG(__HANDLE__) __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_NEF)
  758. /** @brief Clear the UART ORE pending flag.
  759. * @param __HANDLE__ specifies the UART Handle.
  760. * @retval None
  761. */
  762. #define __HAL_UART_CLEAR_OREFLAG(__HANDLE__) __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_OREF)
  763. /** @brief Clear the UART IDLE pending flag.
  764. * @param __HANDLE__ specifies the UART Handle.
  765. * @retval None
  766. */
  767. #define __HAL_UART_CLEAR_IDLEFLAG(__HANDLE__) __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_IDLEF)
  768. /** @brief Check whether the specified UART flag is set or not.
  769. * @param __HANDLE__ specifies the UART Handle.
  770. * @param __FLAG__ specifies the flag to check.
  771. * This parameter can be one of the following values:
  772. * @arg @ref UART_FLAG_REACK Receive enable acknowledge flag
  773. * @arg @ref UART_FLAG_TEACK Transmit enable acknowledge flag
  774. * @arg @ref UART_FLAG_WUF Wake up from stop mode flag
  775. * @arg @ref UART_FLAG_RWU Receiver wake up flag (if the UART in mute mode)
  776. * @arg @ref UART_FLAG_SBKF Send Break flag
  777. * @arg @ref UART_FLAG_CMF Character match flag
  778. * @arg @ref UART_FLAG_BUSY Busy flag
  779. * @arg @ref UART_FLAG_ABRF Auto Baud rate detection flag
  780. * @arg @ref UART_FLAG_ABRE Auto Baud rate detection error flag
  781. * @arg @ref UART_FLAG_CTS CTS Change flag
  782. * @arg @ref UART_FLAG_LBDF LIN Break detection flag
  783. * @arg @ref UART_FLAG_TXE Transmit data register empty flag
  784. * @arg @ref UART_FLAG_TC Transmission Complete flag
  785. * @arg @ref UART_FLAG_RXNE Receive data register not empty flag
  786. * @arg @ref UART_FLAG_RTOF Receiver Timeout flag
  787. * @arg @ref UART_FLAG_IDLE Idle Line detection flag
  788. * @arg @ref UART_FLAG_ORE Overrun Error flag
  789. * @arg @ref UART_FLAG_NE Noise Error flag
  790. * @arg @ref UART_FLAG_FE Framing Error flag
  791. * @arg @ref UART_FLAG_PE Parity Error flag
  792. * @retval The new state of __FLAG__ (TRUE or FALSE).
  793. */
  794. #define __HAL_UART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->ISR & (__FLAG__)) == (__FLAG__))
  795. /** @brief Enable the specified UART interrupt.
  796. * @param __HANDLE__ specifies the UART Handle.
  797. * @param __INTERRUPT__ specifies the UART interrupt source to enable.
  798. * This parameter can be one of the following values:
  799. * @arg @ref UART_IT_WUF Wakeup from stop mode interrupt
  800. * @arg @ref UART_IT_CM Character match interrupt
  801. * @arg @ref UART_IT_CTS CTS change interrupt
  802. * @arg @ref UART_IT_LBD LIN Break detection interrupt
  803. * @arg @ref UART_IT_TXE Transmit Data Register empty interrupt
  804. * @arg @ref UART_IT_TC Transmission complete interrupt
  805. * @arg @ref UART_IT_RXNE Receive Data register not empty interrupt
  806. * @arg @ref UART_IT_RTO Receive Timeout interrupt
  807. * @arg @ref UART_IT_IDLE Idle line detection interrupt
  808. * @arg @ref UART_IT_PE Parity Error interrupt
  809. * @arg @ref UART_IT_ERR Error interrupt (frame error, noise error, overrun error)
  810. * @retval None
  811. */
  812. #define __HAL_UART_ENABLE_IT(__HANDLE__, __INTERRUPT__) (\
  813. ((((uint8_t)(__INTERRUPT__)) >> 5U) == 1U)?\
  814. ((__HANDLE__)->Instance->CR1 |= (1U <<\
  815. ((__INTERRUPT__) & UART_IT_MASK))): \
  816. ((((uint8_t)(__INTERRUPT__)) >> 5U) == 2U)?\
  817. ((__HANDLE__)->Instance->CR2 |= (1U <<\
  818. ((__INTERRUPT__) & UART_IT_MASK))): \
  819. ((__HANDLE__)->Instance->CR3 |= (1U <<\
  820. ((__INTERRUPT__) & UART_IT_MASK))))
  821. /** @brief Disable the specified UART interrupt.
  822. * @param __HANDLE__ specifies the UART Handle.
  823. * @param __INTERRUPT__ specifies the UART interrupt source to disable.
  824. * This parameter can be one of the following values:
  825. * @arg @ref UART_IT_WUF Wakeup from stop mode interrupt
  826. * @arg @ref UART_IT_CM Character match interrupt
  827. * @arg @ref UART_IT_CTS CTS change interrupt
  828. * @arg @ref UART_IT_LBD LIN Break detection interrupt
  829. * @arg @ref UART_IT_TXE Transmit Data Register empty interrupt
  830. * @arg @ref UART_IT_TC Transmission complete interrupt
  831. * @arg @ref UART_IT_RXNE Receive Data register not empty interrupt
  832. * @arg @ref UART_IT_RTO Receive Timeout interrupt
  833. * @arg @ref UART_IT_IDLE Idle line detection interrupt
  834. * @arg @ref UART_IT_PE Parity Error interrupt
  835. * @arg @ref UART_IT_ERR Error interrupt (Frame error, noise error, overrun error)
  836. * @retval None
  837. */
  838. #define __HAL_UART_DISABLE_IT(__HANDLE__, __INTERRUPT__) (\
  839. ((((uint8_t)(__INTERRUPT__)) >> 5U) == 1U)?\
  840. ((__HANDLE__)->Instance->CR1 &= ~ (1U <<\
  841. ((__INTERRUPT__) & UART_IT_MASK))): \
  842. ((((uint8_t)(__INTERRUPT__)) >> 5U) == 2U)?\
  843. ((__HANDLE__)->Instance->CR2 &= ~ (1U <<\
  844. ((__INTERRUPT__) & UART_IT_MASK))): \
  845. ((__HANDLE__)->Instance->CR3 &= ~ (1U <<\
  846. ((__INTERRUPT__) & UART_IT_MASK))))
  847. /** @brief Check whether the specified UART interrupt has occurred or not.
  848. * @param __HANDLE__ specifies the UART Handle.
  849. * @param __INTERRUPT__ specifies the UART interrupt to check.
  850. * This parameter can be one of the following values:
  851. * @arg @ref UART_IT_WUF Wakeup from stop mode interrupt
  852. * @arg @ref UART_IT_CM Character match interrupt
  853. * @arg @ref UART_IT_CTS CTS change interrupt
  854. * @arg @ref UART_IT_LBD LIN Break detection interrupt
  855. * @arg @ref UART_IT_TXE Transmit Data Register empty interrupt
  856. * @arg @ref UART_IT_TC Transmission complete interrupt
  857. * @arg @ref UART_IT_RXNE Receive Data register not empty interrupt
  858. * @arg @ref UART_IT_RTO Receive Timeout interrupt
  859. * @arg @ref UART_IT_IDLE Idle line detection interrupt
  860. * @arg @ref UART_IT_PE Parity Error interrupt
  861. * @arg @ref UART_IT_ERR Error interrupt (Frame error, noise error, overrun error)
  862. * @retval The new state of __INTERRUPT__ (SET or RESET).
  863. */
  864. #define __HAL_UART_GET_IT(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->ISR\
  865. & (1U << ((__INTERRUPT__)>> 8U))) != RESET) ? SET : RESET)
  866. /** @brief Check whether the specified UART interrupt source is enabled or not.
  867. * @param __HANDLE__ specifies the UART Handle.
  868. * @param __INTERRUPT__ specifies the UART interrupt source to check.
  869. * This parameter can be one of the following values:
  870. * @arg @ref UART_IT_WUF Wakeup from stop mode interrupt
  871. * @arg @ref UART_IT_CM Character match interrupt
  872. * @arg @ref UART_IT_CTS CTS change interrupt
  873. * @arg @ref UART_IT_LBD LIN Break detection interrupt
  874. * @arg @ref UART_IT_TXE Transmit Data Register empty interrupt
  875. * @arg @ref UART_IT_TC Transmission complete interrupt
  876. * @arg @ref UART_IT_RXNE Receive Data register not empty interrupt
  877. * @arg @ref UART_IT_RTO Receive Timeout interrupt
  878. * @arg @ref UART_IT_IDLE Idle line detection interrupt
  879. * @arg @ref UART_IT_PE Parity Error interrupt
  880. * @arg @ref UART_IT_ERR Error interrupt (Frame error, noise error, overrun error)
  881. * @retval The new state of __INTERRUPT__ (SET or RESET).
  882. */
  883. #define __HAL_UART_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((((((uint8_t)(__INTERRUPT__)) >> 5U) == 1U) ?\
  884. (__HANDLE__)->Instance->CR1 : \
  885. (((((uint8_t)(__INTERRUPT__)) >> 5U) == 2U) ?\
  886. (__HANDLE__)->Instance->CR2 : \
  887. (__HANDLE__)->Instance->CR3)) & (1U <<\
  888. (((uint16_t)(__INTERRUPT__)) &\
  889. UART_IT_MASK))) != RESET) ? SET : RESET)
  890. /** @brief Clear the specified UART ISR flag, in setting the proper ICR register flag.
  891. * @param __HANDLE__ specifies the UART Handle.
  892. * @param __IT_CLEAR__ specifies the interrupt clear register flag that needs to be set
  893. * to clear the corresponding interrupt
  894. * This parameter can be one of the following values:
  895. * @arg @ref UART_CLEAR_PEF Parity Error Clear Flag
  896. * @arg @ref UART_CLEAR_FEF Framing Error Clear Flag
  897. * @arg @ref UART_CLEAR_NEF Noise detected Clear Flag
  898. * @arg @ref UART_CLEAR_OREF Overrun Error Clear Flag
  899. * @arg @ref UART_CLEAR_IDLEF IDLE line detected Clear Flag
  900. * @arg @ref UART_CLEAR_RTOF Receiver timeout clear flag
  901. * @arg @ref UART_CLEAR_TCF Transmission Complete Clear Flag
  902. * @arg @ref UART_CLEAR_LBDF LIN Break Detection Clear Flag
  903. * @arg @ref UART_CLEAR_CTSF CTS Interrupt Clear Flag
  904. * @arg @ref UART_CLEAR_CMF Character Match Clear Flag
  905. * @arg @ref UART_CLEAR_WUF Wake Up from stop mode Clear Flag
  906. * @retval None
  907. */
  908. #define __HAL_UART_CLEAR_IT(__HANDLE__, __IT_CLEAR__) ((__HANDLE__)->Instance->ICR = (uint32_t)(__IT_CLEAR__))
  909. /** @brief Set a specific UART request flag.
  910. * @param __HANDLE__ specifies the UART Handle.
  911. * @param __REQ__ specifies the request flag to set
  912. * This parameter can be one of the following values:
  913. * @arg @ref UART_AUTOBAUD_REQUEST Auto-Baud Rate Request
  914. * @arg @ref UART_SENDBREAK_REQUEST Send Break Request
  915. * @arg @ref UART_MUTE_MODE_REQUEST Mute Mode Request
  916. * @arg @ref UART_RXDATA_FLUSH_REQUEST Receive Data flush Request
  917. * @arg @ref UART_TXDATA_FLUSH_REQUEST Transmit data flush Request
  918. * @retval None
  919. */
  920. #define __HAL_UART_SEND_REQ(__HANDLE__, __REQ__) ((__HANDLE__)->Instance->RQR |= (uint16_t)(__REQ__))
  921. /** @brief Enable the UART one bit sample method.
  922. * @param __HANDLE__ specifies the UART Handle.
  923. * @retval None
  924. */
  925. #define __HAL_UART_ONE_BIT_SAMPLE_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3|= USART_CR3_ONEBIT)
  926. /** @brief Disable the UART one bit sample method.
  927. * @param __HANDLE__ specifies the UART Handle.
  928. * @retval None
  929. */
  930. #define __HAL_UART_ONE_BIT_SAMPLE_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 &= ~USART_CR3_ONEBIT)
  931. /** @brief Enable UART.
  932. * @param __HANDLE__ specifies the UART Handle.
  933. * @retval None
  934. */
  935. #define __HAL_UART_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 |= USART_CR1_UE)
  936. /** @brief Disable UART.
  937. * @param __HANDLE__ specifies the UART Handle.
  938. * @retval None
  939. */
  940. #define __HAL_UART_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 &= ~USART_CR1_UE)
  941. /** @brief Enable CTS flow control.
  942. * @note This macro allows to enable CTS hardware flow control for a given UART instance,
  943. * without need to call HAL_UART_Init() function.
  944. * As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
  945. * @note As macro is expected to be used for modifying CTS Hw flow control feature activation, without need
  946. * for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
  947. * - UART instance should have already been initialised (through call of HAL_UART_Init() )
  948. * - macro could only be called when corresponding UART instance is disabled
  949. * (i.e. __HAL_UART_DISABLE(__HANDLE__)) and should be followed by an Enable
  950. * macro (i.e. __HAL_UART_ENABLE(__HANDLE__)).
  951. * @param __HANDLE__ specifies the UART Handle.
  952. * @retval None
  953. */
  954. #define __HAL_UART_HWCONTROL_CTS_ENABLE(__HANDLE__) \
  955. do{ \
  956. ATOMIC_SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE); \
  957. (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_CTSE; \
  958. } while(0U)
  959. /** @brief Disable CTS flow control.
  960. * @note This macro allows to disable CTS hardware flow control for a given UART instance,
  961. * without need to call HAL_UART_Init() function.
  962. * As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
  963. * @note As macro is expected to be used for modifying CTS Hw flow control feature activation, without need
  964. * for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
  965. * - UART instance should have already been initialised (through call of HAL_UART_Init() )
  966. * - macro could only be called when corresponding UART instance is disabled
  967. * (i.e. __HAL_UART_DISABLE(__HANDLE__)) and should be followed by an Enable
  968. * macro (i.e. __HAL_UART_ENABLE(__HANDLE__)).
  969. * @param __HANDLE__ specifies the UART Handle.
  970. * @retval None
  971. */
  972. #define __HAL_UART_HWCONTROL_CTS_DISABLE(__HANDLE__) \
  973. do{ \
  974. ATOMIC_CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE); \
  975. (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_CTSE); \
  976. } while(0U)
  977. /** @brief Enable RTS flow control.
  978. * @note This macro allows to enable RTS hardware flow control for a given UART instance,
  979. * without need to call HAL_UART_Init() function.
  980. * As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
  981. * @note As macro is expected to be used for modifying RTS Hw flow control feature activation, without need
  982. * for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
  983. * - UART instance should have already been initialised (through call of HAL_UART_Init() )
  984. * - macro could only be called when corresponding UART instance is disabled
  985. * (i.e. __HAL_UART_DISABLE(__HANDLE__)) and should be followed by an Enable
  986. * macro (i.e. __HAL_UART_ENABLE(__HANDLE__)).
  987. * @param __HANDLE__ specifies the UART Handle.
  988. * @retval None
  989. */
  990. #define __HAL_UART_HWCONTROL_RTS_ENABLE(__HANDLE__) \
  991. do{ \
  992. ATOMIC_SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE); \
  993. (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_RTSE; \
  994. } while(0U)
  995. /** @brief Disable RTS flow control.
  996. * @note This macro allows to disable RTS hardware flow control for a given UART instance,
  997. * without need to call HAL_UART_Init() function.
  998. * As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
  999. * @note As macro is expected to be used for modifying RTS Hw flow control feature activation, without need
  1000. * for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
  1001. * - UART instance should have already been initialised (through call of HAL_UART_Init() )
  1002. * - macro could only be called when corresponding UART instance is disabled
  1003. * (i.e. __HAL_UART_DISABLE(__HANDLE__)) and should be followed by an Enable
  1004. * macro (i.e. __HAL_UART_ENABLE(__HANDLE__)).
  1005. * @param __HANDLE__ specifies the UART Handle.
  1006. * @retval None
  1007. */
  1008. #define __HAL_UART_HWCONTROL_RTS_DISABLE(__HANDLE__) \
  1009. do{ \
  1010. ATOMIC_CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE);\
  1011. (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_RTSE); \
  1012. } while(0U)
  1013. /**
  1014. * @}
  1015. */
  1016. /* Private macros --------------------------------------------------------*/
  1017. /** @defgroup UART_Private_Macros UART Private Macros
  1018. * @{
  1019. */
  1020. /** @brief BRR division operation to set BRR register with LPUART.
  1021. * @param __PCLK__ LPUART clock.
  1022. * @param __BAUD__ Baud rate set by the user.
  1023. * @retval Division result
  1024. */
  1025. #define UART_DIV_LPUART(__PCLK__, __BAUD__) (((((uint64_t)(__PCLK__)*256U)) + ((__BAUD__)/2U)) / (__BAUD__))
  1026. /** @brief BRR division operation to set BRR register in 8-bit oversampling mode.
  1027. * @param __PCLK__ UART clock.
  1028. * @param __BAUD__ Baud rate set by the user.
  1029. * @retval Division result
  1030. */
  1031. #define UART_DIV_SAMPLING8(__PCLK__, __BAUD__) ((((__PCLK__)*2U) + ((__BAUD__)/2U)) / (__BAUD__))
  1032. /** @brief BRR division operation to set BRR register in 16-bit oversampling mode.
  1033. * @param __PCLK__ UART clock.
  1034. * @param __BAUD__ Baud rate set by the user.
  1035. * @retval Division result
  1036. */
  1037. #define UART_DIV_SAMPLING16(__PCLK__, __BAUD__) (((__PCLK__) + ((__BAUD__)/2U)) / (__BAUD__))
  1038. /** @brief Check whether or not UART instance is Low Power UART.
  1039. * @param __HANDLE__ specifies the UART Handle.
  1040. * @retval SET (instance is LPUART) or RESET (instance isn't LPUART)
  1041. */
  1042. #define UART_INSTANCE_LOWPOWER(__HANDLE__) (IS_LPUART_INSTANCE((__HANDLE__)->Instance))
  1043. /** @brief Check UART Baud rate.
  1044. * @param __BAUDRATE__ Baudrate specified by the user.
  1045. * The maximum Baud Rate is derived from the maximum clock on L0 (i.e. 32 MHz)
  1046. * divided by the smallest oversampling used on the USART (i.e. 8)
  1047. * @retval SET (__BAUDRATE__ is valid) or RESET (__BAUDRATE__ is invalid)
  1048. */
  1049. #define IS_UART_BAUDRATE(__BAUDRATE__) ((__BAUDRATE__) < 4000001U)
  1050. /** @brief Check UART assertion time.
  1051. * @param __TIME__ 5-bit value assertion time.
  1052. * @retval Test result (TRUE or FALSE).
  1053. */
  1054. #define IS_UART_ASSERTIONTIME(__TIME__) ((__TIME__) <= 0x1FU)
  1055. /** @brief Check UART deassertion time.
  1056. * @param __TIME__ 5-bit value deassertion time.
  1057. * @retval Test result (TRUE or FALSE).
  1058. */
  1059. #define IS_UART_DEASSERTIONTIME(__TIME__) ((__TIME__) <= 0x1FU)
  1060. /**
  1061. * @brief Ensure that UART frame number of stop bits is valid.
  1062. * @param __STOPBITS__ UART frame number of stop bits.
  1063. * @retval SET (__STOPBITS__ is valid) or RESET (__STOPBITS__ is invalid)
  1064. */
  1065. #define IS_UART_STOPBITS(__STOPBITS__) (((__STOPBITS__) == UART_STOPBITS_0_5) || \
  1066. ((__STOPBITS__) == UART_STOPBITS_1) || \
  1067. ((__STOPBITS__) == UART_STOPBITS_1_5) || \
  1068. ((__STOPBITS__) == UART_STOPBITS_2))
  1069. /**
  1070. * @brief Ensure that LPUART frame number of stop bits is valid.
  1071. * @param __STOPBITS__ LPUART frame number of stop bits.
  1072. * @retval SET (__STOPBITS__ is valid) or RESET (__STOPBITS__ is invalid)
  1073. */
  1074. #define IS_LPUART_STOPBITS(__STOPBITS__) (((__STOPBITS__) == UART_STOPBITS_1) || \
  1075. ((__STOPBITS__) == UART_STOPBITS_2))
  1076. /**
  1077. * @brief Ensure that UART frame parity is valid.
  1078. * @param __PARITY__ UART frame parity.
  1079. * @retval SET (__PARITY__ is valid) or RESET (__PARITY__ is invalid)
  1080. */
  1081. #define IS_UART_PARITY(__PARITY__) (((__PARITY__) == UART_PARITY_NONE) || \
  1082. ((__PARITY__) == UART_PARITY_EVEN) || \
  1083. ((__PARITY__) == UART_PARITY_ODD))
  1084. /**
  1085. * @brief Ensure that UART hardware flow control is valid.
  1086. * @param __CONTROL__ UART hardware flow control.
  1087. * @retval SET (__CONTROL__ is valid) or RESET (__CONTROL__ is invalid)
  1088. */
  1089. #define IS_UART_HARDWARE_FLOW_CONTROL(__CONTROL__)\
  1090. (((__CONTROL__) == UART_HWCONTROL_NONE) || \
  1091. ((__CONTROL__) == UART_HWCONTROL_RTS) || \
  1092. ((__CONTROL__) == UART_HWCONTROL_CTS) || \
  1093. ((__CONTROL__) == UART_HWCONTROL_RTS_CTS))
  1094. /**
  1095. * @brief Ensure that UART communication mode is valid.
  1096. * @param __MODE__ UART communication mode.
  1097. * @retval SET (__MODE__ is valid) or RESET (__MODE__ is invalid)
  1098. */
  1099. #define IS_UART_MODE(__MODE__) ((((__MODE__) & (~((uint32_t)(UART_MODE_TX_RX)))) == 0x00U) && ((__MODE__) != 0x00U))
  1100. /**
  1101. * @brief Ensure that UART state is valid.
  1102. * @param __STATE__ UART state.
  1103. * @retval SET (__STATE__ is valid) or RESET (__STATE__ is invalid)
  1104. */
  1105. #define IS_UART_STATE(__STATE__) (((__STATE__) == UART_STATE_DISABLE) || \
  1106. ((__STATE__) == UART_STATE_ENABLE))
  1107. /**
  1108. * @brief Ensure that UART oversampling is valid.
  1109. * @param __SAMPLING__ UART oversampling.
  1110. * @retval SET (__SAMPLING__ is valid) or RESET (__SAMPLING__ is invalid)
  1111. */
  1112. #define IS_UART_OVERSAMPLING(__SAMPLING__) (((__SAMPLING__) == UART_OVERSAMPLING_16) || \
  1113. ((__SAMPLING__) == UART_OVERSAMPLING_8))
  1114. /**
  1115. * @brief Ensure that UART frame sampling is valid.
  1116. * @param __ONEBIT__ UART frame sampling.
  1117. * @retval SET (__ONEBIT__ is valid) or RESET (__ONEBIT__ is invalid)
  1118. */
  1119. #define IS_UART_ONE_BIT_SAMPLE(__ONEBIT__) (((__ONEBIT__) == UART_ONE_BIT_SAMPLE_DISABLE) || \
  1120. ((__ONEBIT__) == UART_ONE_BIT_SAMPLE_ENABLE))
  1121. /**
  1122. * @brief Ensure that UART auto Baud rate detection mode is valid.
  1123. * @param __MODE__ UART auto Baud rate detection mode.
  1124. * @retval SET (__MODE__ is valid) or RESET (__MODE__ is invalid)
  1125. */
  1126. #define IS_UART_ADVFEATURE_AUTOBAUDRATEMODE(__MODE__) (((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ONSTARTBIT) || \
  1127. ((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ONFALLINGEDGE) || \
  1128. ((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ON0X7FFRAME) || \
  1129. ((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ON0X55FRAME))
  1130. /**
  1131. * @brief Ensure that UART receiver timeout setting is valid.
  1132. * @param __TIMEOUT__ UART receiver timeout setting.
  1133. * @retval SET (__TIMEOUT__ is valid) or RESET (__TIMEOUT__ is invalid)
  1134. */
  1135. #define IS_UART_RECEIVER_TIMEOUT(__TIMEOUT__) (((__TIMEOUT__) == UART_RECEIVER_TIMEOUT_DISABLE) || \
  1136. ((__TIMEOUT__) == UART_RECEIVER_TIMEOUT_ENABLE))
  1137. /** @brief Check the receiver timeout value.
  1138. * @note The maximum UART receiver timeout value is 0xFFFFFF.
  1139. * @param __TIMEOUTVALUE__ receiver timeout value.
  1140. * @retval Test result (TRUE or FALSE)
  1141. */
  1142. #define IS_UART_RECEIVER_TIMEOUT_VALUE(__TIMEOUTVALUE__) ((__TIMEOUTVALUE__) <= 0xFFFFFFU)
  1143. /**
  1144. * @brief Ensure that UART LIN state is valid.
  1145. * @param __LIN__ UART LIN state.
  1146. * @retval SET (__LIN__ is valid) or RESET (__LIN__ is invalid)
  1147. */
  1148. #define IS_UART_LIN(__LIN__) (((__LIN__) == UART_LIN_DISABLE) || \
  1149. ((__LIN__) == UART_LIN_ENABLE))
  1150. /**
  1151. * @brief Ensure that UART LIN break detection length is valid.
  1152. * @param __LENGTH__ UART LIN break detection length.
  1153. * @retval SET (__LENGTH__ is valid) or RESET (__LENGTH__ is invalid)
  1154. */
  1155. #define IS_UART_LIN_BREAK_DETECT_LENGTH(__LENGTH__) (((__LENGTH__) == UART_LINBREAKDETECTLENGTH_10B) || \
  1156. ((__LENGTH__) == UART_LINBREAKDETECTLENGTH_11B))
  1157. /**
  1158. * @brief Ensure that UART DMA TX state is valid.
  1159. * @param __DMATX__ UART DMA TX state.
  1160. * @retval SET (__DMATX__ is valid) or RESET (__DMATX__ is invalid)
  1161. */
  1162. #define IS_UART_DMA_TX(__DMATX__) (((__DMATX__) == UART_DMA_TX_DISABLE) || \
  1163. ((__DMATX__) == UART_DMA_TX_ENABLE))
  1164. /**
  1165. * @brief Ensure that UART DMA RX state is valid.
  1166. * @param __DMARX__ UART DMA RX state.
  1167. * @retval SET (__DMARX__ is valid) or RESET (__DMARX__ is invalid)
  1168. */
  1169. #define IS_UART_DMA_RX(__DMARX__) (((__DMARX__) == UART_DMA_RX_DISABLE) || \
  1170. ((__DMARX__) == UART_DMA_RX_ENABLE))
  1171. /**
  1172. * @brief Ensure that UART half-duplex state is valid.
  1173. * @param __HDSEL__ UART half-duplex state.
  1174. * @retval SET (__HDSEL__ is valid) or RESET (__HDSEL__ is invalid)
  1175. */
  1176. #define IS_UART_HALF_DUPLEX(__HDSEL__) (((__HDSEL__) == UART_HALF_DUPLEX_DISABLE) || \
  1177. ((__HDSEL__) == UART_HALF_DUPLEX_ENABLE))
  1178. /**
  1179. * @brief Ensure that UART wake-up method is valid.
  1180. * @param __WAKEUP__ UART wake-up method .
  1181. * @retval SET (__WAKEUP__ is valid) or RESET (__WAKEUP__ is invalid)
  1182. */
  1183. #define IS_UART_WAKEUPMETHOD(__WAKEUP__) (((__WAKEUP__) == UART_WAKEUPMETHOD_IDLELINE) || \
  1184. ((__WAKEUP__) == UART_WAKEUPMETHOD_ADDRESSMARK))
  1185. /**
  1186. * @brief Ensure that UART request parameter is valid.
  1187. * @param __PARAM__ UART request parameter.
  1188. * @retval SET (__PARAM__ is valid) or RESET (__PARAM__ is invalid)
  1189. */
  1190. #define IS_UART_REQUEST_PARAMETER(__PARAM__) (((__PARAM__) == UART_AUTOBAUD_REQUEST) || \
  1191. ((__PARAM__) == UART_SENDBREAK_REQUEST) || \
  1192. ((__PARAM__) == UART_MUTE_MODE_REQUEST) || \
  1193. ((__PARAM__) == UART_RXDATA_FLUSH_REQUEST) || \
  1194. ((__PARAM__) == UART_TXDATA_FLUSH_REQUEST))
  1195. /**
  1196. * @brief Ensure that UART advanced features initialization is valid.
  1197. * @param __INIT__ UART advanced features initialization.
  1198. * @retval SET (__INIT__ is valid) or RESET (__INIT__ is invalid)
  1199. */
  1200. #define IS_UART_ADVFEATURE_INIT(__INIT__) ((__INIT__) <= (UART_ADVFEATURE_NO_INIT | \
  1201. UART_ADVFEATURE_TXINVERT_INIT | \
  1202. UART_ADVFEATURE_RXINVERT_INIT | \
  1203. UART_ADVFEATURE_DATAINVERT_INIT | \
  1204. UART_ADVFEATURE_SWAP_INIT | \
  1205. UART_ADVFEATURE_RXOVERRUNDISABLE_INIT | \
  1206. UART_ADVFEATURE_DMADISABLEONERROR_INIT | \
  1207. UART_ADVFEATURE_AUTOBAUDRATE_INIT | \
  1208. UART_ADVFEATURE_MSBFIRST_INIT))
  1209. /**
  1210. * @brief Ensure that UART frame TX inversion setting is valid.
  1211. * @param __TXINV__ UART frame TX inversion setting.
  1212. * @retval SET (__TXINV__ is valid) or RESET (__TXINV__ is invalid)
  1213. */
  1214. #define IS_UART_ADVFEATURE_TXINV(__TXINV__) (((__TXINV__) == UART_ADVFEATURE_TXINV_DISABLE) || \
  1215. ((__TXINV__) == UART_ADVFEATURE_TXINV_ENABLE))
  1216. /**
  1217. * @brief Ensure that UART frame RX inversion setting is valid.
  1218. * @param __RXINV__ UART frame RX inversion setting.
  1219. * @retval SET (__RXINV__ is valid) or RESET (__RXINV__ is invalid)
  1220. */
  1221. #define IS_UART_ADVFEATURE_RXINV(__RXINV__) (((__RXINV__) == UART_ADVFEATURE_RXINV_DISABLE) || \
  1222. ((__RXINV__) == UART_ADVFEATURE_RXINV_ENABLE))
  1223. /**
  1224. * @brief Ensure that UART frame data inversion setting is valid.
  1225. * @param __DATAINV__ UART frame data inversion setting.
  1226. * @retval SET (__DATAINV__ is valid) or RESET (__DATAINV__ is invalid)
  1227. */
  1228. #define IS_UART_ADVFEATURE_DATAINV(__DATAINV__) (((__DATAINV__) == UART_ADVFEATURE_DATAINV_DISABLE) || \
  1229. ((__DATAINV__) == UART_ADVFEATURE_DATAINV_ENABLE))
  1230. /**
  1231. * @brief Ensure that UART frame RX/TX pins swap setting is valid.
  1232. * @param __SWAP__ UART frame RX/TX pins swap setting.
  1233. * @retval SET (__SWAP__ is valid) or RESET (__SWAP__ is invalid)
  1234. */
  1235. #define IS_UART_ADVFEATURE_SWAP(__SWAP__) (((__SWAP__) == UART_ADVFEATURE_SWAP_DISABLE) || \
  1236. ((__SWAP__) == UART_ADVFEATURE_SWAP_ENABLE))
  1237. /**
  1238. * @brief Ensure that UART frame overrun setting is valid.
  1239. * @param __OVERRUN__ UART frame overrun setting.
  1240. * @retval SET (__OVERRUN__ is valid) or RESET (__OVERRUN__ is invalid)
  1241. */
  1242. #define IS_UART_OVERRUN(__OVERRUN__) (((__OVERRUN__) == UART_ADVFEATURE_OVERRUN_ENABLE) || \
  1243. ((__OVERRUN__) == UART_ADVFEATURE_OVERRUN_DISABLE))
  1244. /**
  1245. * @brief Ensure that UART auto Baud rate state is valid.
  1246. * @param __AUTOBAUDRATE__ UART auto Baud rate state.
  1247. * @retval SET (__AUTOBAUDRATE__ is valid) or RESET (__AUTOBAUDRATE__ is invalid)
  1248. */
  1249. #define IS_UART_ADVFEATURE_AUTOBAUDRATE(__AUTOBAUDRATE__) (((__AUTOBAUDRATE__) == \
  1250. UART_ADVFEATURE_AUTOBAUDRATE_DISABLE) || \
  1251. ((__AUTOBAUDRATE__) == UART_ADVFEATURE_AUTOBAUDRATE_ENABLE))
  1252. /**
  1253. * @brief Ensure that UART DMA enabling or disabling on error setting is valid.
  1254. * @param __DMA__ UART DMA enabling or disabling on error setting.
  1255. * @retval SET (__DMA__ is valid) or RESET (__DMA__ is invalid)
  1256. */
  1257. #define IS_UART_ADVFEATURE_DMAONRXERROR(__DMA__) (((__DMA__) == UART_ADVFEATURE_DMA_ENABLEONRXERROR) || \
  1258. ((__DMA__) == UART_ADVFEATURE_DMA_DISABLEONRXERROR))
  1259. /**
  1260. * @brief Ensure that UART frame MSB first setting is valid.
  1261. * @param __MSBFIRST__ UART frame MSB first setting.
  1262. * @retval SET (__MSBFIRST__ is valid) or RESET (__MSBFIRST__ is invalid)
  1263. */
  1264. #define IS_UART_ADVFEATURE_MSBFIRST(__MSBFIRST__) (((__MSBFIRST__) == UART_ADVFEATURE_MSBFIRST_DISABLE) || \
  1265. ((__MSBFIRST__) == UART_ADVFEATURE_MSBFIRST_ENABLE))
  1266. /**
  1267. * @brief Ensure that UART stop mode state is valid.
  1268. * @param __STOPMODE__ UART stop mode state.
  1269. * @retval SET (__STOPMODE__ is valid) or RESET (__STOPMODE__ is invalid)
  1270. */
  1271. #define IS_UART_ADVFEATURE_STOPMODE(__STOPMODE__) (((__STOPMODE__) == UART_ADVFEATURE_STOPMODE_DISABLE) || \
  1272. ((__STOPMODE__) == UART_ADVFEATURE_STOPMODE_ENABLE))
  1273. /**
  1274. * @brief Ensure that UART mute mode state is valid.
  1275. * @param __MUTE__ UART mute mode state.
  1276. * @retval SET (__MUTE__ is valid) or RESET (__MUTE__ is invalid)
  1277. */
  1278. #define IS_UART_MUTE_MODE(__MUTE__) (((__MUTE__) == UART_ADVFEATURE_MUTEMODE_DISABLE) || \
  1279. ((__MUTE__) == UART_ADVFEATURE_MUTEMODE_ENABLE))
  1280. /**
  1281. * @brief Ensure that UART wake-up selection is valid.
  1282. * @param __WAKE__ UART wake-up selection.
  1283. * @retval SET (__WAKE__ is valid) or RESET (__WAKE__ is invalid)
  1284. */
  1285. #define IS_UART_WAKEUP_SELECTION(__WAKE__) (((__WAKE__) == UART_WAKEUP_ON_ADDRESS) || \
  1286. ((__WAKE__) == UART_WAKEUP_ON_STARTBIT) || \
  1287. ((__WAKE__) == UART_WAKEUP_ON_READDATA_NONEMPTY))
  1288. /**
  1289. * @brief Ensure that UART driver enable polarity is valid.
  1290. * @param __POLARITY__ UART driver enable polarity.
  1291. * @retval SET (__POLARITY__ is valid) or RESET (__POLARITY__ is invalid)
  1292. */
  1293. #define IS_UART_DE_POLARITY(__POLARITY__) (((__POLARITY__) == UART_DE_POLARITY_HIGH) || \
  1294. ((__POLARITY__) == UART_DE_POLARITY_LOW))
  1295. /**
  1296. * @}
  1297. */
  1298. /* Include UART HAL Extended module */
  1299. #include "stm32l0xx_hal_uart_ex.h"
  1300. /* Exported functions --------------------------------------------------------*/
  1301. /** @addtogroup UART_Exported_Functions UART Exported Functions
  1302. * @{
  1303. */
  1304. /** @addtogroup UART_Exported_Functions_Group1 Initialization and de-initialization functions
  1305. * @{
  1306. */
  1307. /* Initialization and de-initialization functions ****************************/
  1308. HAL_StatusTypeDef HAL_UART_Init(UART_HandleTypeDef *huart);
  1309. HAL_StatusTypeDef HAL_HalfDuplex_Init(UART_HandleTypeDef *huart);
  1310. HAL_StatusTypeDef HAL_LIN_Init(UART_HandleTypeDef *huart, uint32_t BreakDetectLength);
  1311. HAL_StatusTypeDef HAL_MultiProcessor_Init(UART_HandleTypeDef *huart, uint8_t Address, uint32_t WakeUpMethod);
  1312. HAL_StatusTypeDef HAL_UART_DeInit(UART_HandleTypeDef *huart);
  1313. void HAL_UART_MspInit(UART_HandleTypeDef *huart);
  1314. void HAL_UART_MspDeInit(UART_HandleTypeDef *huart);
  1315. /* Callbacks Register/UnRegister functions ***********************************/
  1316. #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
  1317. HAL_StatusTypeDef HAL_UART_RegisterCallback(UART_HandleTypeDef *huart, HAL_UART_CallbackIDTypeDef CallbackID,
  1318. pUART_CallbackTypeDef pCallback);
  1319. HAL_StatusTypeDef HAL_UART_UnRegisterCallback(UART_HandleTypeDef *huart, HAL_UART_CallbackIDTypeDef CallbackID);
  1320. HAL_StatusTypeDef HAL_UART_RegisterRxEventCallback(UART_HandleTypeDef *huart, pUART_RxEventCallbackTypeDef pCallback);
  1321. HAL_StatusTypeDef HAL_UART_UnRegisterRxEventCallback(UART_HandleTypeDef *huart);
  1322. #endif /* USE_HAL_UART_REGISTER_CALLBACKS */
  1323. /**
  1324. * @}
  1325. */
  1326. /** @addtogroup UART_Exported_Functions_Group2 IO operation functions
  1327. * @{
  1328. */
  1329. /* IO operation functions *****************************************************/
  1330. HAL_StatusTypeDef HAL_UART_Transmit(UART_HandleTypeDef *huart, const uint8_t *pData, uint16_t Size, uint32_t Timeout);
  1331. HAL_StatusTypeDef HAL_UART_Receive(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout);
  1332. HAL_StatusTypeDef HAL_UART_Transmit_IT(UART_HandleTypeDef *huart, const uint8_t *pData, uint16_t Size);
  1333. HAL_StatusTypeDef HAL_UART_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
  1334. HAL_StatusTypeDef HAL_UART_Transmit_DMA(UART_HandleTypeDef *huart, const uint8_t *pData, uint16_t Size);
  1335. HAL_StatusTypeDef HAL_UART_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
  1336. HAL_StatusTypeDef HAL_UART_DMAPause(UART_HandleTypeDef *huart);
  1337. HAL_StatusTypeDef HAL_UART_DMAResume(UART_HandleTypeDef *huart);
  1338. HAL_StatusTypeDef HAL_UART_DMAStop(UART_HandleTypeDef *huart);
  1339. /* Transfer Abort functions */
  1340. HAL_StatusTypeDef HAL_UART_Abort(UART_HandleTypeDef *huart);
  1341. HAL_StatusTypeDef HAL_UART_AbortTransmit(UART_HandleTypeDef *huart);
  1342. HAL_StatusTypeDef HAL_UART_AbortReceive(UART_HandleTypeDef *huart);
  1343. HAL_StatusTypeDef HAL_UART_Abort_IT(UART_HandleTypeDef *huart);
  1344. HAL_StatusTypeDef HAL_UART_AbortTransmit_IT(UART_HandleTypeDef *huart);
  1345. HAL_StatusTypeDef HAL_UART_AbortReceive_IT(UART_HandleTypeDef *huart);
  1346. void HAL_UART_IRQHandler(UART_HandleTypeDef *huart);
  1347. void HAL_UART_TxHalfCpltCallback(UART_HandleTypeDef *huart);
  1348. void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart);
  1349. void HAL_UART_RxHalfCpltCallback(UART_HandleTypeDef *huart);
  1350. void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart);
  1351. void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart);
  1352. void HAL_UART_AbortCpltCallback(UART_HandleTypeDef *huart);
  1353. void HAL_UART_AbortTransmitCpltCallback(UART_HandleTypeDef *huart);
  1354. void HAL_UART_AbortReceiveCpltCallback(UART_HandleTypeDef *huart);
  1355. void HAL_UARTEx_RxEventCallback(UART_HandleTypeDef *huart, uint16_t Size);
  1356. /**
  1357. * @}
  1358. */
  1359. /** @addtogroup UART_Exported_Functions_Group3 Peripheral Control functions
  1360. * @{
  1361. */
  1362. /* Peripheral Control functions ************************************************/
  1363. void HAL_UART_ReceiverTimeout_Config(UART_HandleTypeDef *huart, uint32_t TimeoutValue);
  1364. HAL_StatusTypeDef HAL_UART_EnableReceiverTimeout(UART_HandleTypeDef *huart);
  1365. HAL_StatusTypeDef HAL_UART_DisableReceiverTimeout(UART_HandleTypeDef *huart);
  1366. HAL_StatusTypeDef HAL_LIN_SendBreak(UART_HandleTypeDef *huart);
  1367. HAL_StatusTypeDef HAL_MultiProcessor_EnableMuteMode(UART_HandleTypeDef *huart);
  1368. HAL_StatusTypeDef HAL_MultiProcessor_DisableMuteMode(UART_HandleTypeDef *huart);
  1369. void HAL_MultiProcessor_EnterMuteMode(UART_HandleTypeDef *huart);
  1370. HAL_StatusTypeDef HAL_HalfDuplex_EnableTransmitter(UART_HandleTypeDef *huart);
  1371. HAL_StatusTypeDef HAL_HalfDuplex_EnableReceiver(UART_HandleTypeDef *huart);
  1372. /**
  1373. * @}
  1374. */
  1375. /** @addtogroup UART_Exported_Functions_Group4 Peripheral State and Error functions
  1376. * @{
  1377. */
  1378. /* Peripheral State and Errors functions **************************************************/
  1379. HAL_UART_StateTypeDef HAL_UART_GetState(const UART_HandleTypeDef *huart);
  1380. uint32_t HAL_UART_GetError(const UART_HandleTypeDef *huart);
  1381. /**
  1382. * @}
  1383. */
  1384. /**
  1385. * @}
  1386. */
  1387. /* Private functions -----------------------------------------------------------*/
  1388. /** @addtogroup UART_Private_Functions UART Private Functions
  1389. * @{
  1390. */
  1391. #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
  1392. void UART_InitCallbacksToDefault(UART_HandleTypeDef *huart);
  1393. #endif /* USE_HAL_UART_REGISTER_CALLBACKS */
  1394. HAL_StatusTypeDef UART_SetConfig(UART_HandleTypeDef *huart);
  1395. HAL_StatusTypeDef UART_CheckIdleState(UART_HandleTypeDef *huart);
  1396. HAL_StatusTypeDef UART_WaitOnFlagUntilTimeout(UART_HandleTypeDef *huart, uint32_t Flag, FlagStatus Status,
  1397. uint32_t Tickstart, uint32_t Timeout);
  1398. void UART_AdvFeatureConfig(UART_HandleTypeDef *huart);
  1399. HAL_StatusTypeDef UART_Start_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
  1400. HAL_StatusTypeDef UART_Start_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
  1401. /**
  1402. * @}
  1403. */
  1404. /* Private variables -----------------------------------------------------------*/
  1405. /**
  1406. * @}
  1407. */
  1408. /**
  1409. * @}
  1410. */
  1411. #ifdef __cplusplus
  1412. }
  1413. #endif
  1414. #endif /* STM32L0xx_HAL_UART_H */