stm32f0xx_hal_uart.h 82 KB

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  1. /**
  2. ******************************************************************************
  3. * @file stm32f0xx_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 STM32F0xx_HAL_UART_H
  20. #define STM32F0xx_HAL_UART_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 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. - If oversampling is 16 or in LIN mode,
  44. Baud Rate Register = ((uart_ker_ck) / ((huart->Init.BaudRate)))
  45. - If oversampling is 8,
  46. Baud Rate Register[15:4] = ((2 * uart_ker_ck) /
  47. ((huart->Init.BaudRate)))[15:4]
  48. Baud Rate Register[3] = 0
  49. Baud Rate Register[2:0] = (((2 * uart_ker_ck) /
  50. ((huart->Init.BaudRate)))[3:0]) >> 1
  51. where uart_ker_ck is the UART input clock */
  52. uint32_t WordLength; /*!< Specifies the number of data bits transmitted or received in a frame.
  53. This parameter can be a value of @ref UARTEx_Word_Length. */
  54. uint32_t StopBits; /*!< Specifies the number of stop bits transmitted.
  55. This parameter can be a value of @ref UART_Stop_Bits. */
  56. uint32_t Parity; /*!< Specifies the parity mode.
  57. This parameter can be a value of @ref UART_Parity
  58. @note When parity is enabled, the computed parity is inserted
  59. at the MSB position of the transmitted data (9th bit when
  60. the word length is set to 9 data bits; 8th bit when the
  61. word length is set to 8 data bits). */
  62. uint32_t Mode; /*!< Specifies whether the Receive or Transmit mode is enabled or disabled.
  63. This parameter can be a value of @ref UART_Mode. */
  64. uint32_t HwFlowCtl; /*!< Specifies whether the hardware flow control mode is enabled
  65. or disabled.
  66. This parameter can be a value of @ref UART_Hardware_Flow_Control. */
  67. uint32_t OverSampling; /*!< Specifies whether the Over sampling 8 is enabled or disabled,
  68. to achieve higher speed (up to f_PCLK/8).
  69. This parameter can be a value of @ref UART_Over_Sampling. */
  70. uint32_t OneBitSampling; /*!< Specifies whether a single sample or three samples' majority vote is selected.
  71. Selecting the single sample method increases the receiver tolerance to clock
  72. deviations. This parameter can be a value of @ref UART_OneBit_Sampling. */
  73. } UART_InitTypeDef;
  74. /**
  75. * @brief UART Advanced Features initialization structure definition
  76. */
  77. typedef struct
  78. {
  79. uint32_t AdvFeatureInit; /*!< Specifies which advanced UART features is initialized. Several
  80. Advanced Features may be initialized at the same time .
  81. This parameter can be a value of
  82. @ref UART_Advanced_Features_Initialization_Type. */
  83. uint32_t TxPinLevelInvert; /*!< Specifies whether the TX pin active level is inverted.
  84. This parameter can be a value of @ref UART_Tx_Inv. */
  85. uint32_t RxPinLevelInvert; /*!< Specifies whether the RX pin active level is inverted.
  86. This parameter can be a value of @ref UART_Rx_Inv. */
  87. uint32_t DataInvert; /*!< Specifies whether data are inverted (positive/direct logic
  88. vs negative/inverted logic).
  89. This parameter can be a value of @ref UART_Data_Inv. */
  90. uint32_t Swap; /*!< Specifies whether TX and RX pins are swapped.
  91. This parameter can be a value of @ref UART_Rx_Tx_Swap. */
  92. uint32_t OverrunDisable; /*!< Specifies whether the reception overrun detection is disabled.
  93. This parameter can be a value of @ref UART_Overrun_Disable. */
  94. uint32_t DMADisableonRxError; /*!< Specifies whether the DMA is disabled in case of reception error.
  95. This parameter can be a value of @ref UART_DMA_Disable_on_Rx_Error. */
  96. uint32_t AutoBaudRateEnable; /*!< Specifies whether auto Baud rate detection is enabled.
  97. This parameter can be a value of @ref UART_AutoBaudRate_Enable. */
  98. uint32_t AutoBaudRateMode; /*!< If auto Baud rate detection is enabled, specifies how the rate
  99. detection is carried out.
  100. This parameter can be a value of @ref UART_AutoBaud_Rate_Mode. */
  101. uint32_t MSBFirst; /*!< Specifies whether MSB is sent first on UART line.
  102. This parameter can be a value of @ref UART_MSB_First. */
  103. } UART_AdvFeatureInitTypeDef;
  104. /**
  105. * @brief HAL UART State definition
  106. * @note HAL UART State value is a combination of 2 different substates:
  107. * gState and RxState (see @ref UART_State_Definition).
  108. * - gState contains UART state information related to global Handle management
  109. * and also information related to Tx operations.
  110. * gState value coding follow below described bitmap :
  111. * b7-b6 Error information
  112. * 00 : No Error
  113. * 01 : (Not Used)
  114. * 10 : Timeout
  115. * 11 : Error
  116. * b5 Peripheral initialization status
  117. * 0 : Reset (Peripheral not initialized)
  118. * 1 : Init done (Peripheral initialized. HAL UART Init function already called)
  119. * b4-b3 (not used)
  120. * xx : Should be set to 00
  121. * b2 Intrinsic process state
  122. * 0 : Ready
  123. * 1 : Busy (Peripheral busy with some configuration or internal operations)
  124. * b1 (not used)
  125. * x : Should be set to 0
  126. * b0 Tx state
  127. * 0 : Ready (no Tx operation ongoing)
  128. * 1 : Busy (Tx operation ongoing)
  129. * - RxState contains information related to Rx operations.
  130. * RxState value coding follow below described bitmap :
  131. * b7-b6 (not used)
  132. * xx : Should be set to 00
  133. * b5 Peripheral initialization status
  134. * 0 : Reset (Peripheral not initialized)
  135. * 1 : Init done (Peripheral initialized)
  136. * b4-b2 (not used)
  137. * xxx : Should be set to 000
  138. * b1 Rx state
  139. * 0 : Ready (no Rx operation ongoing)
  140. * 1 : Busy (Rx operation ongoing)
  141. * b0 (not used)
  142. * x : Should be set to 0.
  143. */
  144. typedef uint32_t HAL_UART_StateTypeDef;
  145. /**
  146. * @brief UART clock sources definition
  147. */
  148. typedef enum
  149. {
  150. UART_CLOCKSOURCE_PCLK1 = 0x00U, /*!< PCLK1 clock source */
  151. UART_CLOCKSOURCE_HSI = 0x02U, /*!< HSI clock source */
  152. UART_CLOCKSOURCE_SYSCLK = 0x04U, /*!< SYSCLK clock source */
  153. UART_CLOCKSOURCE_LSE = 0x08U, /*!< LSE clock source */
  154. UART_CLOCKSOURCE_UNDEFINED = 0x10U /*!< Undefined clock source */
  155. } UART_ClockSourceTypeDef;
  156. /**
  157. * @brief HAL UART Reception type definition
  158. * @note HAL UART Reception type value aims to identify which type of Reception is ongoing.
  159. * This parameter can be a value of @ref UART_Reception_Type_Values :
  160. * HAL_UART_RECEPTION_STANDARD = 0x00U,
  161. * HAL_UART_RECEPTION_TOIDLE = 0x01U,
  162. * HAL_UART_RECEPTION_TORTO = 0x02U,
  163. * HAL_UART_RECEPTION_TOCHARMATCH = 0x03U,
  164. */
  165. typedef uint32_t HAL_UART_RxTypeTypeDef;
  166. /**
  167. * @brief HAL UART Rx Event type definition
  168. * @note HAL UART Rx Event type value aims to identify which type of Event has occurred
  169. * leading to call of the RxEvent callback.
  170. * This parameter can be a value of @ref UART_RxEvent_Type_Values :
  171. * HAL_UART_RXEVENT_TC = 0x00U,
  172. * HAL_UART_RXEVENT_HT = 0x01U,
  173. * HAL_UART_RXEVENT_IDLE = 0x02U,
  174. */
  175. typedef uint32_t HAL_UART_RxEventTypeTypeDef;
  176. /**
  177. * @brief UART handle Structure definition
  178. */
  179. typedef struct __UART_HandleTypeDef
  180. {
  181. USART_TypeDef *Instance; /*!< UART registers base address */
  182. UART_InitTypeDef Init; /*!< UART communication parameters */
  183. UART_AdvFeatureInitTypeDef AdvancedInit; /*!< UART Advanced Features initialization parameters */
  184. const uint8_t *pTxBuffPtr; /*!< Pointer to UART Tx transfer Buffer */
  185. uint16_t TxXferSize; /*!< UART Tx Transfer size */
  186. __IO uint16_t TxXferCount; /*!< UART Tx Transfer Counter */
  187. uint8_t *pRxBuffPtr; /*!< Pointer to UART Rx transfer Buffer */
  188. uint16_t RxXferSize; /*!< UART Rx Transfer size */
  189. __IO uint16_t RxXferCount; /*!< UART Rx Transfer Counter */
  190. uint16_t Mask; /*!< UART Rx RDR register mask */
  191. __IO HAL_UART_RxTypeTypeDef ReceptionType; /*!< Type of ongoing reception */
  192. __IO HAL_UART_RxEventTypeTypeDef RxEventType; /*!< Type of Rx Event */
  193. void (*RxISR)(struct __UART_HandleTypeDef *huart); /*!< Function pointer on Rx IRQ handler */
  194. void (*TxISR)(struct __UART_HandleTypeDef *huart); /*!< Function pointer on Tx IRQ handler */
  195. DMA_HandleTypeDef *hdmatx; /*!< UART Tx DMA Handle parameters */
  196. DMA_HandleTypeDef *hdmarx; /*!< UART Rx DMA Handle parameters */
  197. HAL_LockTypeDef Lock; /*!< Locking object */
  198. __IO HAL_UART_StateTypeDef gState; /*!< UART state information related to global Handle management
  199. and also related to Tx operations. This parameter
  200. can be a value of @ref HAL_UART_StateTypeDef */
  201. __IO HAL_UART_StateTypeDef RxState; /*!< UART state information related to Rx operations. This
  202. parameter can be a value of @ref HAL_UART_StateTypeDef */
  203. __IO uint32_t ErrorCode; /*!< UART Error code */
  204. #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
  205. void (* TxHalfCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Tx Half Complete Callback */
  206. void (* TxCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Tx Complete Callback */
  207. void (* RxHalfCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Rx Half Complete Callback */
  208. void (* RxCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Rx Complete Callback */
  209. void (* ErrorCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Error Callback */
  210. void (* AbortCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Abort Complete Callback */
  211. void (* AbortTransmitCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Abort Transmit Complete Callback */
  212. void (* AbortReceiveCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Abort Receive Complete Callback */
  213. #if defined(USART_CR1_UESM)
  214. #if defined(USART_CR3_WUFIE)
  215. void (* WakeupCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Wakeup Callback */
  216. #endif /* USART_CR3_WUFIE */
  217. #endif /* USART_CR1_UESM */
  218. void (* RxEventCallback)(struct __UART_HandleTypeDef *huart, uint16_t Pos); /*!< UART Reception Event Callback */
  219. void (* MspInitCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Msp Init callback */
  220. void (* MspDeInitCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Msp DeInit callback */
  221. #endif /* USE_HAL_UART_REGISTER_CALLBACKS */
  222. } UART_HandleTypeDef;
  223. #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
  224. /**
  225. * @brief HAL UART Callback ID enumeration definition
  226. */
  227. typedef enum
  228. {
  229. HAL_UART_TX_HALFCOMPLETE_CB_ID = 0x00U, /*!< UART Tx Half Complete Callback ID */
  230. HAL_UART_TX_COMPLETE_CB_ID = 0x01U, /*!< UART Tx Complete Callback ID */
  231. HAL_UART_RX_HALFCOMPLETE_CB_ID = 0x02U, /*!< UART Rx Half Complete Callback ID */
  232. HAL_UART_RX_COMPLETE_CB_ID = 0x03U, /*!< UART Rx Complete Callback ID */
  233. HAL_UART_ERROR_CB_ID = 0x04U, /*!< UART Error Callback ID */
  234. HAL_UART_ABORT_COMPLETE_CB_ID = 0x05U, /*!< UART Abort Complete Callback ID */
  235. HAL_UART_ABORT_TRANSMIT_COMPLETE_CB_ID = 0x06U, /*!< UART Abort Transmit Complete Callback ID */
  236. HAL_UART_ABORT_RECEIVE_COMPLETE_CB_ID = 0x07U, /*!< UART Abort Receive Complete Callback ID */
  237. HAL_UART_WAKEUP_CB_ID = 0x08U, /*!< UART Wakeup Callback ID */
  238. HAL_UART_MSPINIT_CB_ID = 0x0BU, /*!< UART MspInit callback ID */
  239. HAL_UART_MSPDEINIT_CB_ID = 0x0CU /*!< UART MspDeInit callback ID */
  240. } HAL_UART_CallbackIDTypeDef;
  241. /**
  242. * @brief HAL UART Callback pointer definition
  243. */
  244. typedef void (*pUART_CallbackTypeDef)(UART_HandleTypeDef *huart); /*!< pointer to an UART callback function */
  245. typedef void (*pUART_RxEventCallbackTypeDef)
  246. (struct __UART_HandleTypeDef *huart, uint16_t Pos); /*!< pointer to a UART Rx Event specific callback function */
  247. #endif /* USE_HAL_UART_REGISTER_CALLBACKS */
  248. /**
  249. * @}
  250. */
  251. /* Exported constants --------------------------------------------------------*/
  252. /** @defgroup UART_Exported_Constants UART Exported Constants
  253. * @{
  254. */
  255. /** @defgroup UART_State_Definition UART State Code Definition
  256. * @{
  257. */
  258. #define HAL_UART_STATE_RESET 0x00000000U /*!< Peripheral is not initialized
  259. Value is allowed for gState and RxState */
  260. #define HAL_UART_STATE_READY 0x00000020U /*!< Peripheral Initialized and ready for use
  261. Value is allowed for gState and RxState */
  262. #define HAL_UART_STATE_BUSY 0x00000024U /*!< an internal process is ongoing
  263. Value is allowed for gState only */
  264. #define HAL_UART_STATE_BUSY_TX 0x00000021U /*!< Data Transmission process is ongoing
  265. Value is allowed for gState only */
  266. #define HAL_UART_STATE_BUSY_RX 0x00000022U /*!< Data Reception process is ongoing
  267. Value is allowed for RxState only */
  268. #define HAL_UART_STATE_BUSY_TX_RX 0x00000023U /*!< Data Transmission and Reception process is ongoing
  269. Not to be used for neither gState nor RxState.Value is result
  270. of combination (Or) between gState and RxState values */
  271. #define HAL_UART_STATE_TIMEOUT 0x000000A0U /*!< Timeout state
  272. Value is allowed for gState only */
  273. #define HAL_UART_STATE_ERROR 0x000000E0U /*!< Error
  274. Value is allowed for gState only */
  275. /**
  276. * @}
  277. */
  278. /** @defgroup UART_Error_Definition UART Error Definition
  279. * @{
  280. */
  281. #define HAL_UART_ERROR_NONE (0x00000000U) /*!< No error */
  282. #define HAL_UART_ERROR_PE (0x00000001U) /*!< Parity error */
  283. #define HAL_UART_ERROR_NE (0x00000002U) /*!< Noise error */
  284. #define HAL_UART_ERROR_FE (0x00000004U) /*!< Frame error */
  285. #define HAL_UART_ERROR_ORE (0x00000008U) /*!< Overrun error */
  286. #define HAL_UART_ERROR_DMA (0x00000010U) /*!< DMA transfer error */
  287. #define HAL_UART_ERROR_RTO (0x00000020U) /*!< Receiver Timeout error */
  288. #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
  289. #define HAL_UART_ERROR_INVALID_CALLBACK (0x00000040U) /*!< Invalid Callback error */
  290. #endif /* USE_HAL_UART_REGISTER_CALLBACKS */
  291. /**
  292. * @}
  293. */
  294. /** @defgroup UART_Stop_Bits UART Number of Stop Bits
  295. * @{
  296. */
  297. #define UART_STOPBITS_0_5 USART_CR2_STOP_0 /*!< UART frame with 0.5 stop bit */
  298. #define UART_STOPBITS_1 0x00000000U /*!< UART frame with 1 stop bit */
  299. #define UART_STOPBITS_1_5 (USART_CR2_STOP_0 | USART_CR2_STOP_1) /*!< UART frame with 1.5 stop bits */
  300. #define UART_STOPBITS_2 USART_CR2_STOP_1 /*!< UART frame with 2 stop bits */
  301. /**
  302. * @}
  303. */
  304. /** @defgroup UART_Parity UART Parity
  305. * @{
  306. */
  307. #define UART_PARITY_NONE 0x00000000U /*!< No parity */
  308. #define UART_PARITY_EVEN USART_CR1_PCE /*!< Even parity */
  309. #define UART_PARITY_ODD (USART_CR1_PCE | USART_CR1_PS) /*!< Odd parity */
  310. /**
  311. * @}
  312. */
  313. /** @defgroup UART_Hardware_Flow_Control UART Hardware Flow Control
  314. * @{
  315. */
  316. #define UART_HWCONTROL_NONE 0x00000000U /*!< No hardware control */
  317. #define UART_HWCONTROL_RTS USART_CR3_RTSE /*!< Request To Send */
  318. #define UART_HWCONTROL_CTS USART_CR3_CTSE /*!< Clear To Send */
  319. #define UART_HWCONTROL_RTS_CTS (USART_CR3_RTSE | USART_CR3_CTSE) /*!< Request and Clear To Send */
  320. /**
  321. * @}
  322. */
  323. /** @defgroup UART_Mode UART Transfer Mode
  324. * @{
  325. */
  326. #define UART_MODE_RX USART_CR1_RE /*!< RX mode */
  327. #define UART_MODE_TX USART_CR1_TE /*!< TX mode */
  328. #define UART_MODE_TX_RX (USART_CR1_TE |USART_CR1_RE) /*!< RX and TX mode */
  329. /**
  330. * @}
  331. */
  332. /** @defgroup UART_State UART State
  333. * @{
  334. */
  335. #define UART_STATE_DISABLE 0x00000000U /*!< UART disabled */
  336. #define UART_STATE_ENABLE USART_CR1_UE /*!< UART enabled */
  337. /**
  338. * @}
  339. */
  340. /** @defgroup UART_Over_Sampling UART Over Sampling
  341. * @{
  342. */
  343. #define UART_OVERSAMPLING_16 0x00000000U /*!< Oversampling by 16 */
  344. #define UART_OVERSAMPLING_8 USART_CR1_OVER8 /*!< Oversampling by 8 */
  345. /**
  346. * @}
  347. */
  348. /** @defgroup UART_OneBit_Sampling UART One Bit Sampling Method
  349. * @{
  350. */
  351. #define UART_ONE_BIT_SAMPLE_DISABLE 0x00000000U /*!< One-bit sampling disable */
  352. #define UART_ONE_BIT_SAMPLE_ENABLE USART_CR3_ONEBIT /*!< One-bit sampling enable */
  353. /**
  354. * @}
  355. */
  356. /** @defgroup UART_AutoBaud_Rate_Mode UART Advanced Feature AutoBaud Rate Mode
  357. * @{
  358. */
  359. #define UART_ADVFEATURE_AUTOBAUDRATE_ONSTARTBIT 0x00000000U /*!< Auto Baud rate detection
  360. on start bit */
  361. #define UART_ADVFEATURE_AUTOBAUDRATE_ONFALLINGEDGE USART_CR2_ABRMODE_0 /*!< Auto Baud rate detection
  362. on falling edge */
  363. #define UART_ADVFEATURE_AUTOBAUDRATE_ON0X7FFRAME USART_CR2_ABRMODE_1 /*!< Auto Baud rate detection
  364. on 0x7F frame detection */
  365. #define UART_ADVFEATURE_AUTOBAUDRATE_ON0X55FRAME USART_CR2_ABRMODE /*!< Auto Baud rate detection
  366. on 0x55 frame detection */
  367. /**
  368. * @}
  369. */
  370. /** @defgroup UART_Receiver_Timeout UART Receiver Timeout
  371. * @{
  372. */
  373. #define UART_RECEIVER_TIMEOUT_DISABLE 0x00000000U /*!< UART Receiver Timeout disable */
  374. #define UART_RECEIVER_TIMEOUT_ENABLE USART_CR2_RTOEN /*!< UART Receiver Timeout enable */
  375. /**
  376. * @}
  377. */
  378. /** @defgroup UART_LIN UART Local Interconnection Network mode
  379. * @{
  380. */
  381. #define UART_LIN_DISABLE 0x00000000U /*!< Local Interconnect Network disable */
  382. #define UART_LIN_ENABLE USART_CR2_LINEN /*!< Local Interconnect Network enable */
  383. /**
  384. * @}
  385. */
  386. /** @defgroup UART_LIN_Break_Detection UART LIN Break Detection
  387. * @{
  388. */
  389. #define UART_LINBREAKDETECTLENGTH_10B 0x00000000U /*!< LIN 10-bit break detection length */
  390. #define UART_LINBREAKDETECTLENGTH_11B USART_CR2_LBDL /*!< LIN 11-bit break detection length */
  391. /**
  392. * @}
  393. */
  394. /** @defgroup UART_DMA_Tx UART DMA Tx
  395. * @{
  396. */
  397. #define UART_DMA_TX_DISABLE 0x00000000U /*!< UART DMA TX disabled */
  398. #define UART_DMA_TX_ENABLE USART_CR3_DMAT /*!< UART DMA TX enabled */
  399. /**
  400. * @}
  401. */
  402. /** @defgroup UART_DMA_Rx UART DMA Rx
  403. * @{
  404. */
  405. #define UART_DMA_RX_DISABLE 0x00000000U /*!< UART DMA RX disabled */
  406. #define UART_DMA_RX_ENABLE USART_CR3_DMAR /*!< UART DMA RX enabled */
  407. /**
  408. * @}
  409. */
  410. /** @defgroup UART_Half_Duplex_Selection UART Half Duplex Selection
  411. * @{
  412. */
  413. #define UART_HALF_DUPLEX_DISABLE 0x00000000U /*!< UART half-duplex disabled */
  414. #define UART_HALF_DUPLEX_ENABLE USART_CR3_HDSEL /*!< UART half-duplex enabled */
  415. /**
  416. * @}
  417. */
  418. /** @defgroup UART_WakeUp_Methods UART WakeUp Methods
  419. * @{
  420. */
  421. #define UART_WAKEUPMETHOD_IDLELINE 0x00000000U /*!< UART wake-up on idle line */
  422. #define UART_WAKEUPMETHOD_ADDRESSMARK USART_CR1_WAKE /*!< UART wake-up on address mark */
  423. /**
  424. * @}
  425. */
  426. /** @defgroup UART_Request_Parameters UART Request Parameters
  427. * @{
  428. */
  429. #define UART_AUTOBAUD_REQUEST USART_RQR_ABRRQ /*!< Auto-Baud Rate Request */
  430. #define UART_SENDBREAK_REQUEST USART_RQR_SBKRQ /*!< Send Break Request */
  431. #define UART_MUTE_MODE_REQUEST USART_RQR_MMRQ /*!< Mute Mode Request */
  432. #define UART_RXDATA_FLUSH_REQUEST USART_RQR_RXFRQ /*!< Receive Data flush Request */
  433. #if defined(USART_RQR_TXFRQ)
  434. #define UART_TXDATA_FLUSH_REQUEST USART_RQR_TXFRQ /*!< Transmit data flush Request */
  435. #endif /* USART_RQR_TXFRQ */
  436. /**
  437. * @}
  438. */
  439. /** @defgroup UART_Advanced_Features_Initialization_Type UART Advanced Feature Initialization Type
  440. * @{
  441. */
  442. #define UART_ADVFEATURE_NO_INIT 0x00000000U /*!< No advanced feature initialization */
  443. #define UART_ADVFEATURE_TXINVERT_INIT 0x00000001U /*!< TX pin active level inversion */
  444. #define UART_ADVFEATURE_RXINVERT_INIT 0x00000002U /*!< RX pin active level inversion */
  445. #define UART_ADVFEATURE_DATAINVERT_INIT 0x00000004U /*!< Binary data inversion */
  446. #define UART_ADVFEATURE_SWAP_INIT 0x00000008U /*!< TX/RX pins swap */
  447. #define UART_ADVFEATURE_RXOVERRUNDISABLE_INIT 0x00000010U /*!< RX overrun disable */
  448. #define UART_ADVFEATURE_DMADISABLEONERROR_INIT 0x00000020U /*!< DMA disable on Reception Error */
  449. #define UART_ADVFEATURE_AUTOBAUDRATE_INIT 0x00000040U /*!< Auto Baud rate detection initialization */
  450. #define UART_ADVFEATURE_MSBFIRST_INIT 0x00000080U /*!< Most significant bit sent/received first */
  451. /**
  452. * @}
  453. */
  454. /** @defgroup UART_Tx_Inv UART Advanced Feature TX Pin Active Level Inversion
  455. * @{
  456. */
  457. #define UART_ADVFEATURE_TXINV_DISABLE 0x00000000U /*!< TX pin active level inversion disable */
  458. #define UART_ADVFEATURE_TXINV_ENABLE USART_CR2_TXINV /*!< TX pin active level inversion enable */
  459. /**
  460. * @}
  461. */
  462. /** @defgroup UART_Rx_Inv UART Advanced Feature RX Pin Active Level Inversion
  463. * @{
  464. */
  465. #define UART_ADVFEATURE_RXINV_DISABLE 0x00000000U /*!< RX pin active level inversion disable */
  466. #define UART_ADVFEATURE_RXINV_ENABLE USART_CR2_RXINV /*!< RX pin active level inversion enable */
  467. /**
  468. * @}
  469. */
  470. /** @defgroup UART_Data_Inv UART Advanced Feature Binary Data Inversion
  471. * @{
  472. */
  473. #define UART_ADVFEATURE_DATAINV_DISABLE 0x00000000U /*!< Binary data inversion disable */
  474. #define UART_ADVFEATURE_DATAINV_ENABLE USART_CR2_DATAINV /*!< Binary data inversion enable */
  475. /**
  476. * @}
  477. */
  478. /** @defgroup UART_Rx_Tx_Swap UART Advanced Feature RX TX Pins Swap
  479. * @{
  480. */
  481. #define UART_ADVFEATURE_SWAP_DISABLE 0x00000000U /*!< TX/RX pins swap disable */
  482. #define UART_ADVFEATURE_SWAP_ENABLE USART_CR2_SWAP /*!< TX/RX pins swap enable */
  483. /**
  484. * @}
  485. */
  486. /** @defgroup UART_Overrun_Disable UART Advanced Feature Overrun Disable
  487. * @{
  488. */
  489. #define UART_ADVFEATURE_OVERRUN_ENABLE 0x00000000U /*!< RX overrun enable */
  490. #define UART_ADVFEATURE_OVERRUN_DISABLE USART_CR3_OVRDIS /*!< RX overrun disable */
  491. /**
  492. * @}
  493. */
  494. /** @defgroup UART_AutoBaudRate_Enable UART Advanced Feature Auto BaudRate Enable
  495. * @{
  496. */
  497. #define UART_ADVFEATURE_AUTOBAUDRATE_DISABLE 0x00000000U /*!< RX Auto Baud rate detection enable */
  498. #define UART_ADVFEATURE_AUTOBAUDRATE_ENABLE USART_CR2_ABREN /*!< RX Auto Baud rate detection disable */
  499. /**
  500. * @}
  501. */
  502. /** @defgroup UART_DMA_Disable_on_Rx_Error UART Advanced Feature DMA Disable On Rx Error
  503. * @{
  504. */
  505. #define UART_ADVFEATURE_DMA_ENABLEONRXERROR 0x00000000U /*!< DMA enable on Reception Error */
  506. #define UART_ADVFEATURE_DMA_DISABLEONRXERROR USART_CR3_DDRE /*!< DMA disable on Reception Error */
  507. /**
  508. * @}
  509. */
  510. /** @defgroup UART_MSB_First UART Advanced Feature MSB First
  511. * @{
  512. */
  513. #define UART_ADVFEATURE_MSBFIRST_DISABLE 0x00000000U /*!< Most significant bit sent/received
  514. first disable */
  515. #define UART_ADVFEATURE_MSBFIRST_ENABLE USART_CR2_MSBFIRST /*!< Most significant bit sent/received
  516. first enable */
  517. /**
  518. * @}
  519. */
  520. #if defined(USART_CR1_UESM)
  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. #endif /* USART_CR1_UESM */
  530. /** @defgroup UART_Mute_Mode UART Advanced Feature Mute Mode Enable
  531. * @{
  532. */
  533. #define UART_ADVFEATURE_MUTEMODE_DISABLE 0x00000000U /*!< UART mute mode disable */
  534. #define UART_ADVFEATURE_MUTEMODE_ENABLE USART_CR1_MME /*!< UART mute mode enable */
  535. /**
  536. * @}
  537. */
  538. /** @defgroup UART_CR2_ADDRESS_LSB_POS UART Address-matching LSB Position In CR2 Register
  539. * @{
  540. */
  541. #define UART_CR2_ADDRESS_LSB_POS 24U /*!< UART address-matching LSB position in CR2 register */
  542. /**
  543. * @}
  544. */
  545. #if defined(USART_CR1_UESM)
  546. /** @defgroup UART_WakeUp_from_Stop_Selection UART WakeUp From Stop Selection
  547. * @{
  548. */
  549. #if defined(USART_CR3_WUS)
  550. #define UART_WAKEUP_ON_ADDRESS 0x00000000U /*!< UART wake-up on address */
  551. #define UART_WAKEUP_ON_STARTBIT USART_CR3_WUS_1 /*!< UART wake-up on start bit */
  552. #define UART_WAKEUP_ON_READDATA_NONEMPTY USART_CR3_WUS /*!< UART wake-up on receive data register
  553. not empty or RXFIFO is not empty */
  554. #else
  555. #define UART_WAKEUP_ON_ADDRESS 0x00000000U /*!< UART wake-up on address */
  556. #define UART_WAKEUP_ON_READDATA_NONEMPTY 0x00000001U /*!< UART wake-up on receive data register
  557. not empty or RXFIFO is not empty */
  558. #endif /* USART_CR3_WUS */
  559. /**
  560. * @}
  561. */
  562. #endif /* USART_CR1_UESM */
  563. /** @defgroup UART_DriverEnable_Polarity UART DriverEnable Polarity
  564. * @{
  565. */
  566. #define UART_DE_POLARITY_HIGH 0x00000000U /*!< Driver enable signal is active high */
  567. #define UART_DE_POLARITY_LOW USART_CR3_DEP /*!< Driver enable signal is active low */
  568. /**
  569. * @}
  570. */
  571. /** @defgroup UART_CR1_DEAT_ADDRESS_LSB_POS UART Driver Enable Assertion Time LSB Position In CR1 Register
  572. * @{
  573. */
  574. #define UART_CR1_DEAT_ADDRESS_LSB_POS 21U /*!< UART Driver Enable assertion time LSB
  575. position in CR1 register */
  576. /**
  577. * @}
  578. */
  579. /** @defgroup UART_CR1_DEDT_ADDRESS_LSB_POS UART Driver Enable DeAssertion Time LSB Position In CR1 Register
  580. * @{
  581. */
  582. #define UART_CR1_DEDT_ADDRESS_LSB_POS 16U /*!< UART Driver Enable de-assertion time LSB
  583. position in CR1 register */
  584. /**
  585. * @}
  586. */
  587. /** @defgroup UART_Interruption_Mask UART Interruptions Flag Mask
  588. * @{
  589. */
  590. #define UART_IT_MASK 0x001FU /*!< UART interruptions flags mask */
  591. /**
  592. * @}
  593. */
  594. /** @defgroup UART_TimeOut_Value UART polling-based communications time-out value
  595. * @{
  596. */
  597. #define HAL_UART_TIMEOUT_VALUE 0x1FFFFFFU /*!< UART polling-based communications time-out value */
  598. /**
  599. * @}
  600. */
  601. /** @defgroup UART_Flags UART Status Flags
  602. * Elements values convention: 0xXXXX
  603. * - 0xXXXX : Flag mask in the ISR register
  604. * @{
  605. */
  606. #define UART_FLAG_REACK USART_ISR_REACK /*!< UART receive enable acknowledge flag */
  607. #define UART_FLAG_TEACK USART_ISR_TEACK /*!< UART transmit enable acknowledge flag */
  608. #if defined(USART_CR1_UESM)
  609. #if defined(USART_CR3_WUFIE)
  610. #define UART_FLAG_WUF USART_ISR_WUF /*!< UART wake-up from stop mode flag */
  611. #endif /* USART_CR3_WUFIE */
  612. #endif /* USART_CR1_UESM */
  613. #define UART_FLAG_RWU USART_ISR_RWU /*!< UART receiver wake-up from mute mode flag */
  614. #define UART_FLAG_SBKF USART_ISR_SBKF /*!< UART send break flag */
  615. #define UART_FLAG_CMF USART_ISR_CMF /*!< UART character match flag */
  616. #define UART_FLAG_BUSY USART_ISR_BUSY /*!< UART busy flag */
  617. #define UART_FLAG_ABRF USART_ISR_ABRF /*!< UART auto Baud rate flag */
  618. #define UART_FLAG_ABRE USART_ISR_ABRE /*!< UART auto Baud rate error */
  619. #define UART_FLAG_RTOF USART_ISR_RTOF /*!< UART receiver timeout flag */
  620. #define UART_FLAG_CTS USART_ISR_CTS /*!< UART clear to send flag */
  621. #define UART_FLAG_CTSIF USART_ISR_CTSIF /*!< UART clear to send interrupt flag */
  622. #define UART_FLAG_LBDF USART_ISR_LBDF /*!< UART LIN break detection flag */
  623. #define UART_FLAG_TXE USART_ISR_TXE /*!< UART transmit data register empty */
  624. #define UART_FLAG_TC USART_ISR_TC /*!< UART transmission complete */
  625. #define UART_FLAG_RXNE USART_ISR_RXNE /*!< UART read data register not empty */
  626. #define UART_FLAG_IDLE USART_ISR_IDLE /*!< UART idle flag */
  627. #define UART_FLAG_ORE USART_ISR_ORE /*!< UART overrun error */
  628. #define UART_FLAG_NE USART_ISR_NE /*!< UART noise error */
  629. #define UART_FLAG_FE USART_ISR_FE /*!< UART frame error */
  630. #define UART_FLAG_PE USART_ISR_PE /*!< UART parity error */
  631. /**
  632. * @}
  633. */
  634. /** @defgroup UART_Interrupt_definition UART Interrupts Definition
  635. * Elements values convention: 000ZZZZZ0XXYYYYYb
  636. * - YYYYY : Interrupt source position in the XX register (5bits)
  637. * - XX : Interrupt source register (2bits)
  638. * - 01: CR1 register
  639. * - 10: CR2 register
  640. * - 11: CR3 register
  641. * - ZZZZZ : Flag position in the ISR register(5bits)
  642. * Elements values convention: 000000000XXYYYYYb
  643. * - YYYYY : Interrupt source position in the XX register (5bits)
  644. * - XX : Interrupt source register (2bits)
  645. * - 01: CR1 register
  646. * - 10: CR2 register
  647. * - 11: CR3 register
  648. * Elements values convention: 0000ZZZZ00000000b
  649. * - ZZZZ : Flag position in the ISR register(4bits)
  650. * @{
  651. */
  652. #define UART_IT_PE 0x0028U /*!< UART parity error interruption */
  653. #define UART_IT_TXE 0x0727U /*!< UART transmit data register empty interruption */
  654. #define UART_IT_TC 0x0626U /*!< UART transmission complete interruption */
  655. #define UART_IT_RXNE 0x0525U /*!< UART read data register not empty interruption */
  656. #define UART_IT_IDLE 0x0424U /*!< UART idle interruption */
  657. #define UART_IT_LBD 0x0846U /*!< UART LIN break detection interruption */
  658. #define UART_IT_CTS 0x096AU /*!< UART CTS interruption */
  659. #define UART_IT_CM 0x112EU /*!< UART character match interruption */
  660. #if defined(USART_CR1_UESM)
  661. #if defined(USART_CR3_WUFIE)
  662. #define UART_IT_WUF 0x1476U /*!< UART wake-up from stop mode interruption */
  663. #endif /* USART_CR3_WUFIE */
  664. #endif /* USART_CR1_UESM */
  665. #define UART_IT_RTO 0x0B3AU /*!< UART receiver timeout interruption */
  666. #define UART_IT_ERR 0x0060U /*!< UART error interruption */
  667. #define UART_IT_ORE 0x0300U /*!< UART overrun error interruption */
  668. #define UART_IT_NE 0x0200U /*!< UART noise error interruption */
  669. #define UART_IT_FE 0x0100U /*!< UART frame error interruption */
  670. /**
  671. * @}
  672. */
  673. /** @defgroup UART_IT_CLEAR_Flags UART Interruption Clear Flags
  674. * @{
  675. */
  676. #define UART_CLEAR_PEF USART_ICR_PECF /*!< Parity Error Clear Flag */
  677. #define UART_CLEAR_FEF USART_ICR_FECF /*!< Framing Error Clear Flag */
  678. #define UART_CLEAR_NEF USART_ICR_NCF /*!< Noise Error detected Clear Flag */
  679. #define UART_CLEAR_OREF USART_ICR_ORECF /*!< Overrun Error Clear Flag */
  680. #define UART_CLEAR_IDLEF USART_ICR_IDLECF /*!< IDLE line detected Clear Flag */
  681. #define UART_CLEAR_TCF USART_ICR_TCCF /*!< Transmission Complete Clear Flag */
  682. #define UART_CLEAR_LBDF USART_ICR_LBDCF /*!< LIN Break Detection Clear Flag */
  683. #define UART_CLEAR_CTSF USART_ICR_CTSCF /*!< CTS Interrupt Clear Flag */
  684. #define UART_CLEAR_CMF USART_ICR_CMCF /*!< Character Match Clear Flag */
  685. #if defined(USART_CR1_UESM)
  686. #if defined(USART_CR3_WUFIE)
  687. #define UART_CLEAR_WUF USART_ICR_WUCF /*!< Wake Up from stop mode Clear Flag */
  688. #endif /* USART_CR3_WUFIE */
  689. #endif /* USART_CR1_UESM */
  690. #define UART_CLEAR_RTOF USART_ICR_RTOCF /*!< UART receiver timeout clear flag */
  691. /**
  692. * @}
  693. */
  694. /** @defgroup UART_Reception_Type_Values UART Reception type values
  695. * @{
  696. */
  697. #define HAL_UART_RECEPTION_STANDARD (0x00000000U) /*!< Standard reception */
  698. #define HAL_UART_RECEPTION_TOIDLE (0x00000001U) /*!< Reception till completion or IDLE event */
  699. #define HAL_UART_RECEPTION_TORTO (0x00000002U) /*!< Reception till completion or RTO event */
  700. #define HAL_UART_RECEPTION_TOCHARMATCH (0x00000003U) /*!< Reception till completion or CM event */
  701. /**
  702. * @}
  703. */
  704. /** @defgroup UART_RxEvent_Type_Values UART RxEvent type values
  705. * @{
  706. */
  707. #define HAL_UART_RXEVENT_TC (0x00000000U) /*!< RxEvent linked to Transfer Complete event */
  708. #define HAL_UART_RXEVENT_HT (0x00000001U) /*!< RxEvent linked to Half Transfer event */
  709. #define HAL_UART_RXEVENT_IDLE (0x00000002U) /*!< RxEvent linked to IDLE event */
  710. /**
  711. * @}
  712. */
  713. /**
  714. * @}
  715. */
  716. /* Exported macros -----------------------------------------------------------*/
  717. /** @defgroup UART_Exported_Macros UART Exported Macros
  718. * @{
  719. */
  720. /** @brief Reset UART handle states.
  721. * @param __HANDLE__ UART handle.
  722. * @retval None
  723. */
  724. #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
  725. #define __HAL_UART_RESET_HANDLE_STATE(__HANDLE__) do{ \
  726. (__HANDLE__)->gState = HAL_UART_STATE_RESET; \
  727. (__HANDLE__)->RxState = HAL_UART_STATE_RESET; \
  728. (__HANDLE__)->MspInitCallback = NULL; \
  729. (__HANDLE__)->MspDeInitCallback = NULL; \
  730. } while(0U)
  731. #else
  732. #define __HAL_UART_RESET_HANDLE_STATE(__HANDLE__) do{ \
  733. (__HANDLE__)->gState = HAL_UART_STATE_RESET; \
  734. (__HANDLE__)->RxState = HAL_UART_STATE_RESET; \
  735. } while(0U)
  736. #endif /*USE_HAL_UART_REGISTER_CALLBACKS */
  737. /** @brief Flush the UART Data registers.
  738. * @param __HANDLE__ specifies the UART Handle.
  739. * @retval None
  740. */
  741. #if defined(USART_RQR_TXFRQ)
  742. #define __HAL_UART_FLUSH_DRREGISTER(__HANDLE__) \
  743. do{ \
  744. SET_BIT((__HANDLE__)->Instance->RQR, UART_RXDATA_FLUSH_REQUEST); \
  745. SET_BIT((__HANDLE__)->Instance->RQR, UART_TXDATA_FLUSH_REQUEST); \
  746. } while(0U)
  747. #else
  748. #define __HAL_UART_FLUSH_DRREGISTER(__HANDLE__) \
  749. do{ \
  750. SET_BIT((__HANDLE__)->Instance->RQR, UART_RXDATA_FLUSH_REQUEST); \
  751. } while(0U)
  752. #endif /* USART_RQR_TXFRQ */
  753. /** @brief Clear the specified UART pending flag.
  754. * @param __HANDLE__ specifies the UART Handle.
  755. * @param __FLAG__ specifies the flag to check.
  756. * This parameter can be any combination of the following values:
  757. * @arg @ref UART_CLEAR_PEF Parity Error Clear Flag
  758. * @arg @ref UART_CLEAR_FEF Framing Error Clear Flag
  759. * @arg @ref UART_CLEAR_NEF Noise detected Clear Flag
  760. * @arg @ref UART_CLEAR_OREF Overrun Error Clear Flag
  761. * @arg @ref UART_CLEAR_IDLEF IDLE line detected Clear Flag
  762. * @arg @ref UART_CLEAR_TCF Transmission Complete Clear Flag
  763. * @arg @ref UART_CLEAR_RTOF Receiver Timeout clear flag
  764. * @arg @ref UART_CLEAR_LBDF LIN Break Detection Clear Flag
  765. * @arg @ref UART_CLEAR_CTSF CTS Interrupt Clear Flag
  766. * @arg @ref UART_CLEAR_CMF Character Match Clear Flag
  767. #if defined(USART_CR1_UESM)
  768. #if defined(USART_CR3_WUFIE)
  769. * @arg @ref UART_CLEAR_WUF Wake Up from stop mode Clear Flag
  770. #endif
  771. #endif
  772. * @retval None
  773. */
  774. #define __HAL_UART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->ICR = (__FLAG__))
  775. /** @brief Clear the UART PE pending flag.
  776. * @param __HANDLE__ specifies the UART Handle.
  777. * @retval None
  778. */
  779. #define __HAL_UART_CLEAR_PEFLAG(__HANDLE__) __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_PEF)
  780. /** @brief Clear the UART FE pending flag.
  781. * @param __HANDLE__ specifies the UART Handle.
  782. * @retval None
  783. */
  784. #define __HAL_UART_CLEAR_FEFLAG(__HANDLE__) __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_FEF)
  785. /** @brief Clear the UART NE pending flag.
  786. * @param __HANDLE__ specifies the UART Handle.
  787. * @retval None
  788. */
  789. #define __HAL_UART_CLEAR_NEFLAG(__HANDLE__) __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_NEF)
  790. /** @brief Clear the UART ORE pending flag.
  791. * @param __HANDLE__ specifies the UART Handle.
  792. * @retval None
  793. */
  794. #define __HAL_UART_CLEAR_OREFLAG(__HANDLE__) __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_OREF)
  795. /** @brief Clear the UART IDLE pending flag.
  796. * @param __HANDLE__ specifies the UART Handle.
  797. * @retval None
  798. */
  799. #define __HAL_UART_CLEAR_IDLEFLAG(__HANDLE__) __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_IDLEF)
  800. /** @brief Check whether the specified UART flag is set or not.
  801. * @param __HANDLE__ specifies the UART Handle.
  802. * @param __FLAG__ specifies the flag to check.
  803. * This parameter can be one of the following values:
  804. * @arg @ref UART_FLAG_REACK Receive enable acknowledge flag
  805. * @arg @ref UART_FLAG_TEACK Transmit enable acknowledge flag
  806. #if defined(USART_CR1_UESM)
  807. #if defined(USART_CR3_WUFIE)
  808. * @arg @ref UART_FLAG_WUF Wake up from stop mode flag
  809. #endif
  810. #endif
  811. * @arg @ref UART_FLAG_RWU Receiver wake up flag (if the UART in mute mode)
  812. * @arg @ref UART_FLAG_SBKF Send Break flag
  813. * @arg @ref UART_FLAG_CMF Character match flag
  814. * @arg @ref UART_FLAG_BUSY Busy flag
  815. * @arg @ref UART_FLAG_ABRF Auto Baud rate detection flag
  816. * @arg @ref UART_FLAG_ABRE Auto Baud rate detection error flag
  817. * @arg @ref UART_FLAG_CTS CTS Change flag
  818. * @arg @ref UART_FLAG_LBDF LIN Break detection flag
  819. * @arg @ref UART_FLAG_TXE Transmit data register empty flag
  820. * @arg @ref UART_FLAG_TC Transmission Complete flag
  821. * @arg @ref UART_FLAG_RXNE Receive data register not empty flag
  822. * @arg @ref UART_FLAG_RTOF Receiver Timeout flag
  823. * @arg @ref UART_FLAG_IDLE Idle Line detection flag
  824. * @arg @ref UART_FLAG_ORE Overrun Error flag
  825. * @arg @ref UART_FLAG_NE Noise Error flag
  826. * @arg @ref UART_FLAG_FE Framing Error flag
  827. * @arg @ref UART_FLAG_PE Parity Error flag
  828. * @retval The new state of __FLAG__ (TRUE or FALSE).
  829. */
  830. #define __HAL_UART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->ISR & (__FLAG__)) == (__FLAG__))
  831. /** @brief Enable the specified UART interrupt.
  832. * @param __HANDLE__ specifies the UART Handle.
  833. * @param __INTERRUPT__ specifies the UART interrupt source to enable.
  834. * This parameter can be one of the following values:
  835. #if defined(USART_CR1_UESM)
  836. #if defined(USART_CR3_WUFIE)
  837. * @arg @ref UART_IT_WUF Wakeup from stop mode interrupt
  838. #endif
  839. #endif
  840. * @arg @ref UART_IT_CM Character match interrupt
  841. * @arg @ref UART_IT_CTS CTS change interrupt
  842. * @arg @ref UART_IT_LBD LIN Break detection interrupt
  843. * @arg @ref UART_IT_TXE Transmit Data Register empty interrupt
  844. * @arg @ref UART_IT_TC Transmission complete interrupt
  845. * @arg @ref UART_IT_RXNE Receive Data register not empty interrupt
  846. * @arg @ref UART_IT_RTO Receive Timeout interrupt
  847. * @arg @ref UART_IT_IDLE Idle line detection interrupt
  848. * @arg @ref UART_IT_PE Parity Error interrupt
  849. * @arg @ref UART_IT_ERR Error interrupt (frame error, noise error, overrun error)
  850. * @retval None
  851. */
  852. #define __HAL_UART_ENABLE_IT(__HANDLE__, __INTERRUPT__) (\
  853. ((((uint8_t)(__INTERRUPT__)) >> 5U) == 1U)?\
  854. ((__HANDLE__)->Instance->CR1 |= (1U <<\
  855. ((__INTERRUPT__) & UART_IT_MASK))): \
  856. ((((uint8_t)(__INTERRUPT__)) >> 5U) == 2U)?\
  857. ((__HANDLE__)->Instance->CR2 |= (1U <<\
  858. ((__INTERRUPT__) & UART_IT_MASK))): \
  859. ((__HANDLE__)->Instance->CR3 |= (1U <<\
  860. ((__INTERRUPT__) & UART_IT_MASK))))
  861. /** @brief Disable the specified UART interrupt.
  862. * @param __HANDLE__ specifies the UART Handle.
  863. * @param __INTERRUPT__ specifies the UART interrupt source to disable.
  864. * This parameter can be one of the following values:
  865. #if defined(USART_CR1_UESM)
  866. #if defined(USART_CR3_WUFIE)
  867. * @arg @ref UART_IT_WUF Wakeup from stop mode interrupt
  868. #endif
  869. #endif
  870. * @arg @ref UART_IT_CM Character match interrupt
  871. * @arg @ref UART_IT_CTS CTS change interrupt
  872. * @arg @ref UART_IT_LBD LIN Break detection interrupt
  873. * @arg @ref UART_IT_TXE Transmit Data Register empty interrupt
  874. * @arg @ref UART_IT_TC Transmission complete interrupt
  875. * @arg @ref UART_IT_RXNE Receive Data register not empty interrupt
  876. * @arg @ref UART_IT_RTO Receive Timeout interrupt
  877. * @arg @ref UART_IT_IDLE Idle line detection interrupt
  878. * @arg @ref UART_IT_PE Parity Error interrupt
  879. * @arg @ref UART_IT_ERR Error interrupt (Frame error, noise error, overrun error)
  880. * @retval None
  881. */
  882. #define __HAL_UART_DISABLE_IT(__HANDLE__, __INTERRUPT__) (\
  883. ((((uint8_t)(__INTERRUPT__)) >> 5U) == 1U)?\
  884. ((__HANDLE__)->Instance->CR1 &= ~ (1U <<\
  885. ((__INTERRUPT__) & UART_IT_MASK))): \
  886. ((((uint8_t)(__INTERRUPT__)) >> 5U) == 2U)?\
  887. ((__HANDLE__)->Instance->CR2 &= ~ (1U <<\
  888. ((__INTERRUPT__) & UART_IT_MASK))): \
  889. ((__HANDLE__)->Instance->CR3 &= ~ (1U <<\
  890. ((__INTERRUPT__) & UART_IT_MASK))))
  891. /** @brief Check whether the specified UART interrupt has occurred or not.
  892. * @param __HANDLE__ specifies the UART Handle.
  893. * @param __INTERRUPT__ specifies the UART interrupt to check.
  894. * This parameter can be one of the following values:
  895. #if defined(USART_CR1_UESM)
  896. #if defined(USART_CR3_WUFIE)
  897. * @arg @ref UART_IT_WUF Wakeup from stop mode interrupt
  898. #endif
  899. #endif
  900. * @arg @ref UART_IT_CM Character match interrupt
  901. * @arg @ref UART_IT_CTS CTS change interrupt
  902. * @arg @ref UART_IT_LBD LIN Break detection interrupt
  903. * @arg @ref UART_IT_TXE Transmit Data Register empty interrupt
  904. * @arg @ref UART_IT_TC Transmission complete interrupt
  905. * @arg @ref UART_IT_RXNE Receive Data register not empty interrupt
  906. * @arg @ref UART_IT_RTO Receive Timeout interrupt
  907. * @arg @ref UART_IT_IDLE Idle line detection interrupt
  908. * @arg @ref UART_IT_PE Parity Error interrupt
  909. * @arg @ref UART_IT_ERR Error interrupt (Frame error, noise error, overrun error)
  910. * @retval The new state of __INTERRUPT__ (SET or RESET).
  911. */
  912. #define __HAL_UART_GET_IT(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->ISR\
  913. & (1U << ((__INTERRUPT__)>> 8U))) != RESET) ? SET : RESET)
  914. /** @brief Check whether the specified UART interrupt source is enabled or not.
  915. * @param __HANDLE__ specifies the UART Handle.
  916. * @param __INTERRUPT__ specifies the UART interrupt source to check.
  917. * This parameter can be one of the following values:
  918. #if defined(USART_CR1_UESM)
  919. #if defined(USART_CR3_WUFIE)
  920. * @arg @ref UART_IT_WUF Wakeup from stop mode interrupt
  921. #endif
  922. #endif
  923. * @arg @ref UART_IT_CM Character match interrupt
  924. * @arg @ref UART_IT_CTS CTS change interrupt
  925. * @arg @ref UART_IT_LBD LIN Break detection interrupt
  926. * @arg @ref UART_IT_TXE Transmit Data Register empty interrupt
  927. * @arg @ref UART_IT_TC Transmission complete interrupt
  928. * @arg @ref UART_IT_RXNE Receive Data register not empty interrupt
  929. * @arg @ref UART_IT_RTO Receive Timeout interrupt
  930. * @arg @ref UART_IT_IDLE Idle line detection interrupt
  931. * @arg @ref UART_IT_PE Parity Error interrupt
  932. * @arg @ref UART_IT_ERR Error interrupt (Frame error, noise error, overrun error)
  933. * @retval The new state of __INTERRUPT__ (SET or RESET).
  934. */
  935. #define __HAL_UART_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((((((uint8_t)(__INTERRUPT__)) >> 5U) == 1U) ?\
  936. (__HANDLE__)->Instance->CR1 : \
  937. (((((uint8_t)(__INTERRUPT__)) >> 5U) == 2U) ?\
  938. (__HANDLE__)->Instance->CR2 : \
  939. (__HANDLE__)->Instance->CR3)) & (1U <<\
  940. (((uint16_t)(__INTERRUPT__)) &\
  941. UART_IT_MASK))) != RESET) ? SET : RESET)
  942. /** @brief Clear the specified UART ISR flag, in setting the proper ICR register flag.
  943. * @param __HANDLE__ specifies the UART Handle.
  944. * @param __IT_CLEAR__ specifies the interrupt clear register flag that needs to be set
  945. * to clear the corresponding interrupt
  946. * This parameter can be one of the following values:
  947. * @arg @ref UART_CLEAR_PEF Parity Error Clear Flag
  948. * @arg @ref UART_CLEAR_FEF Framing Error Clear Flag
  949. * @arg @ref UART_CLEAR_NEF Noise detected Clear Flag
  950. * @arg @ref UART_CLEAR_OREF Overrun Error Clear Flag
  951. * @arg @ref UART_CLEAR_IDLEF IDLE line detected Clear Flag
  952. * @arg @ref UART_CLEAR_RTOF Receiver timeout clear flag
  953. * @arg @ref UART_CLEAR_TCF Transmission Complete Clear Flag
  954. * @arg @ref UART_CLEAR_LBDF LIN Break Detection Clear Flag
  955. * @arg @ref UART_CLEAR_CTSF CTS Interrupt Clear Flag
  956. * @arg @ref UART_CLEAR_CMF Character Match Clear Flag
  957. #if defined(USART_CR1_UESM)
  958. #if defined(USART_CR3_WUFIE)
  959. * @arg @ref UART_CLEAR_WUF Wake Up from stop mode Clear Flag
  960. #endif
  961. #endif
  962. * @retval None
  963. */
  964. #define __HAL_UART_CLEAR_IT(__HANDLE__, __IT_CLEAR__) ((__HANDLE__)->Instance->ICR = (uint32_t)(__IT_CLEAR__))
  965. /** @brief Set a specific UART request flag.
  966. * @param __HANDLE__ specifies the UART Handle.
  967. * @param __REQ__ specifies the request flag to set
  968. * This parameter can be one of the following values:
  969. * @arg @ref UART_AUTOBAUD_REQUEST Auto-Baud Rate Request
  970. * @arg @ref UART_SENDBREAK_REQUEST Send Break Request
  971. * @arg @ref UART_MUTE_MODE_REQUEST Mute Mode Request
  972. * @arg @ref UART_RXDATA_FLUSH_REQUEST Receive Data flush Request
  973. #if defined(USART_RQR_TXFRQ)
  974. * @arg @ref UART_TXDATA_FLUSH_REQUEST Transmit data flush Request
  975. #endif
  976. * @retval None
  977. */
  978. #define __HAL_UART_SEND_REQ(__HANDLE__, __REQ__) ((__HANDLE__)->Instance->RQR |= (uint16_t)(__REQ__))
  979. /** @brief Enable the UART one bit sample method.
  980. * @param __HANDLE__ specifies the UART Handle.
  981. * @retval None
  982. */
  983. #define __HAL_UART_ONE_BIT_SAMPLE_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3|= USART_CR3_ONEBIT)
  984. /** @brief Disable the UART one bit sample method.
  985. * @param __HANDLE__ specifies the UART Handle.
  986. * @retval None
  987. */
  988. #define __HAL_UART_ONE_BIT_SAMPLE_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 &= ~USART_CR3_ONEBIT)
  989. /** @brief Enable UART.
  990. * @param __HANDLE__ specifies the UART Handle.
  991. * @retval None
  992. */
  993. #define __HAL_UART_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 |= USART_CR1_UE)
  994. /** @brief Disable UART.
  995. * @param __HANDLE__ specifies the UART Handle.
  996. * @retval None
  997. */
  998. #define __HAL_UART_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 &= ~USART_CR1_UE)
  999. /** @brief Enable CTS flow control.
  1000. * @note This macro allows to enable CTS hardware flow control for a given UART instance,
  1001. * without need to call HAL_UART_Init() function.
  1002. * As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
  1003. * @note As macro is expected to be used for modifying CTS Hw flow control feature activation, without need
  1004. * for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
  1005. * - UART instance should have already been initialised (through call of HAL_UART_Init() )
  1006. * - macro could only be called when corresponding UART instance is disabled
  1007. * (i.e. __HAL_UART_DISABLE(__HANDLE__)) and should be followed by an Enable
  1008. * macro (i.e. __HAL_UART_ENABLE(__HANDLE__)).
  1009. * @param __HANDLE__ specifies the UART Handle.
  1010. * @retval None
  1011. */
  1012. #define __HAL_UART_HWCONTROL_CTS_ENABLE(__HANDLE__) \
  1013. do{ \
  1014. ATOMIC_SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE); \
  1015. (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_CTSE; \
  1016. } while(0U)
  1017. /** @brief Disable CTS flow control.
  1018. * @note This macro allows to disable CTS hardware flow control for a given UART instance,
  1019. * without need to call HAL_UART_Init() function.
  1020. * As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
  1021. * @note As macro is expected to be used for modifying CTS Hw flow control feature activation, without need
  1022. * for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
  1023. * - UART instance should have already been initialised (through call of HAL_UART_Init() )
  1024. * - macro could only be called when corresponding UART instance is disabled
  1025. * (i.e. __HAL_UART_DISABLE(__HANDLE__)) and should be followed by an Enable
  1026. * macro (i.e. __HAL_UART_ENABLE(__HANDLE__)).
  1027. * @param __HANDLE__ specifies the UART Handle.
  1028. * @retval None
  1029. */
  1030. #define __HAL_UART_HWCONTROL_CTS_DISABLE(__HANDLE__) \
  1031. do{ \
  1032. ATOMIC_CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE); \
  1033. (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_CTSE); \
  1034. } while(0U)
  1035. /** @brief Enable RTS flow control.
  1036. * @note This macro allows to enable RTS hardware flow control for a given UART instance,
  1037. * without need to call HAL_UART_Init() function.
  1038. * As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
  1039. * @note As macro is expected to be used for modifying RTS Hw flow control feature activation, without need
  1040. * for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
  1041. * - UART instance should have already been initialised (through call of HAL_UART_Init() )
  1042. * - macro could only be called when corresponding UART instance is disabled
  1043. * (i.e. __HAL_UART_DISABLE(__HANDLE__)) and should be followed by an Enable
  1044. * macro (i.e. __HAL_UART_ENABLE(__HANDLE__)).
  1045. * @param __HANDLE__ specifies the UART Handle.
  1046. * @retval None
  1047. */
  1048. #define __HAL_UART_HWCONTROL_RTS_ENABLE(__HANDLE__) \
  1049. do{ \
  1050. ATOMIC_SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE); \
  1051. (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_RTSE; \
  1052. } while(0U)
  1053. /** @brief Disable RTS flow control.
  1054. * @note This macro allows to disable RTS hardware flow control for a given UART instance,
  1055. * without need to call HAL_UART_Init() function.
  1056. * As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
  1057. * @note As macro is expected to be used for modifying RTS Hw flow control feature activation, without need
  1058. * for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
  1059. * - UART instance should have already been initialised (through call of HAL_UART_Init() )
  1060. * - macro could only be called when corresponding UART instance is disabled
  1061. * (i.e. __HAL_UART_DISABLE(__HANDLE__)) and should be followed by an Enable
  1062. * macro (i.e. __HAL_UART_ENABLE(__HANDLE__)).
  1063. * @param __HANDLE__ specifies the UART Handle.
  1064. * @retval None
  1065. */
  1066. #define __HAL_UART_HWCONTROL_RTS_DISABLE(__HANDLE__) \
  1067. do{ \
  1068. ATOMIC_CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE);\
  1069. (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_RTSE); \
  1070. } while(0U)
  1071. /**
  1072. * @}
  1073. */
  1074. /* Private macros --------------------------------------------------------*/
  1075. /** @defgroup UART_Private_Macros UART Private Macros
  1076. * @{
  1077. */
  1078. /** @brief BRR division operation to set BRR register in 8-bit oversampling mode.
  1079. * @param __PCLK__ UART clock.
  1080. * @param __BAUD__ Baud rate set by the user.
  1081. * @retval Division result
  1082. */
  1083. #define UART_DIV_SAMPLING8(__PCLK__, __BAUD__) ((((__PCLK__)*2U) + ((__BAUD__)/2U)) / (__BAUD__))
  1084. /** @brief BRR division operation to set BRR register in 16-bit oversampling mode.
  1085. * @param __PCLK__ UART clock.
  1086. * @param __BAUD__ Baud rate set by the user.
  1087. * @retval Division result
  1088. */
  1089. #define UART_DIV_SAMPLING16(__PCLK__, __BAUD__) (((__PCLK__) + ((__BAUD__)/2U)) / (__BAUD__))
  1090. /** @brief Check UART Baud rate.
  1091. * @param __BAUDRATE__ Baudrate specified by the user.
  1092. * The maximum Baud Rate is derived from the maximum clock on F0 (i.e. 48 MHz)
  1093. * divided by the smallest oversampling used on the USART (i.e. 8)
  1094. * @retval SET (__BAUDRATE__ is valid) or RESET (__BAUDRATE__ is invalid)
  1095. */
  1096. #define IS_UART_BAUDRATE(__BAUDRATE__) ((__BAUDRATE__) < 6000001U)
  1097. /** @brief Check UART assertion time.
  1098. * @param __TIME__ 5-bit value assertion time.
  1099. * @retval Test result (TRUE or FALSE).
  1100. */
  1101. #define IS_UART_ASSERTIONTIME(__TIME__) ((__TIME__) <= 0x1FU)
  1102. /** @brief Check UART deassertion time.
  1103. * @param __TIME__ 5-bit value deassertion time.
  1104. * @retval Test result (TRUE or FALSE).
  1105. */
  1106. #define IS_UART_DEASSERTIONTIME(__TIME__) ((__TIME__) <= 0x1FU)
  1107. /**
  1108. * @brief Ensure that UART frame number of stop bits is valid.
  1109. * @param __STOPBITS__ UART frame number of stop bits.
  1110. * @retval SET (__STOPBITS__ is valid) or RESET (__STOPBITS__ is invalid)
  1111. */
  1112. #define IS_UART_STOPBITS(__STOPBITS__) (((__STOPBITS__) == UART_STOPBITS_0_5) || \
  1113. ((__STOPBITS__) == UART_STOPBITS_1) || \
  1114. ((__STOPBITS__) == UART_STOPBITS_1_5) || \
  1115. ((__STOPBITS__) == UART_STOPBITS_2))
  1116. /**
  1117. * @brief Ensure that UART frame parity is valid.
  1118. * @param __PARITY__ UART frame parity.
  1119. * @retval SET (__PARITY__ is valid) or RESET (__PARITY__ is invalid)
  1120. */
  1121. #define IS_UART_PARITY(__PARITY__) (((__PARITY__) == UART_PARITY_NONE) || \
  1122. ((__PARITY__) == UART_PARITY_EVEN) || \
  1123. ((__PARITY__) == UART_PARITY_ODD))
  1124. /**
  1125. * @brief Ensure that UART hardware flow control is valid.
  1126. * @param __CONTROL__ UART hardware flow control.
  1127. * @retval SET (__CONTROL__ is valid) or RESET (__CONTROL__ is invalid)
  1128. */
  1129. #define IS_UART_HARDWARE_FLOW_CONTROL(__CONTROL__)\
  1130. (((__CONTROL__) == UART_HWCONTROL_NONE) || \
  1131. ((__CONTROL__) == UART_HWCONTROL_RTS) || \
  1132. ((__CONTROL__) == UART_HWCONTROL_CTS) || \
  1133. ((__CONTROL__) == UART_HWCONTROL_RTS_CTS))
  1134. /**
  1135. * @brief Ensure that UART communication mode is valid.
  1136. * @param __MODE__ UART communication mode.
  1137. * @retval SET (__MODE__ is valid) or RESET (__MODE__ is invalid)
  1138. */
  1139. #define IS_UART_MODE(__MODE__) ((((__MODE__) & (~((uint32_t)(UART_MODE_TX_RX)))) == 0x00U) && ((__MODE__) != 0x00U))
  1140. /**
  1141. * @brief Ensure that UART state is valid.
  1142. * @param __STATE__ UART state.
  1143. * @retval SET (__STATE__ is valid) or RESET (__STATE__ is invalid)
  1144. */
  1145. #define IS_UART_STATE(__STATE__) (((__STATE__) == UART_STATE_DISABLE) || \
  1146. ((__STATE__) == UART_STATE_ENABLE))
  1147. /**
  1148. * @brief Ensure that UART oversampling is valid.
  1149. * @param __SAMPLING__ UART oversampling.
  1150. * @retval SET (__SAMPLING__ is valid) or RESET (__SAMPLING__ is invalid)
  1151. */
  1152. #define IS_UART_OVERSAMPLING(__SAMPLING__) (((__SAMPLING__) == UART_OVERSAMPLING_16) || \
  1153. ((__SAMPLING__) == UART_OVERSAMPLING_8))
  1154. /**
  1155. * @brief Ensure that UART frame sampling is valid.
  1156. * @param __ONEBIT__ UART frame sampling.
  1157. * @retval SET (__ONEBIT__ is valid) or RESET (__ONEBIT__ is invalid)
  1158. */
  1159. #define IS_UART_ONE_BIT_SAMPLE(__ONEBIT__) (((__ONEBIT__) == UART_ONE_BIT_SAMPLE_DISABLE) || \
  1160. ((__ONEBIT__) == UART_ONE_BIT_SAMPLE_ENABLE))
  1161. /**
  1162. * @brief Ensure that UART auto Baud rate detection mode is valid.
  1163. * @param __MODE__ UART auto Baud rate detection mode.
  1164. * @retval SET (__MODE__ is valid) or RESET (__MODE__ is invalid)
  1165. */
  1166. #define IS_UART_ADVFEATURE_AUTOBAUDRATEMODE(__MODE__) (((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ONSTARTBIT) || \
  1167. ((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ONFALLINGEDGE) || \
  1168. ((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ON0X7FFRAME) || \
  1169. ((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ON0X55FRAME))
  1170. /**
  1171. * @brief Ensure that UART receiver timeout setting is valid.
  1172. * @param __TIMEOUT__ UART receiver timeout setting.
  1173. * @retval SET (__TIMEOUT__ is valid) or RESET (__TIMEOUT__ is invalid)
  1174. */
  1175. #define IS_UART_RECEIVER_TIMEOUT(__TIMEOUT__) (((__TIMEOUT__) == UART_RECEIVER_TIMEOUT_DISABLE) || \
  1176. ((__TIMEOUT__) == UART_RECEIVER_TIMEOUT_ENABLE))
  1177. /** @brief Check the receiver timeout value.
  1178. * @note The maximum UART receiver timeout value is 0xFFFFFF.
  1179. * @param __TIMEOUTVALUE__ receiver timeout value.
  1180. * @retval Test result (TRUE or FALSE)
  1181. */
  1182. #define IS_UART_RECEIVER_TIMEOUT_VALUE(__TIMEOUTVALUE__) ((__TIMEOUTVALUE__) <= 0xFFFFFFU)
  1183. /**
  1184. * @brief Ensure that UART LIN state is valid.
  1185. * @param __LIN__ UART LIN state.
  1186. * @retval SET (__LIN__ is valid) or RESET (__LIN__ is invalid)
  1187. */
  1188. #define IS_UART_LIN(__LIN__) (((__LIN__) == UART_LIN_DISABLE) || \
  1189. ((__LIN__) == UART_LIN_ENABLE))
  1190. /**
  1191. * @brief Ensure that UART LIN break detection length is valid.
  1192. * @param __LENGTH__ UART LIN break detection length.
  1193. * @retval SET (__LENGTH__ is valid) or RESET (__LENGTH__ is invalid)
  1194. */
  1195. #define IS_UART_LIN_BREAK_DETECT_LENGTH(__LENGTH__) (((__LENGTH__) == UART_LINBREAKDETECTLENGTH_10B) || \
  1196. ((__LENGTH__) == UART_LINBREAKDETECTLENGTH_11B))
  1197. /**
  1198. * @brief Ensure that UART DMA TX state is valid.
  1199. * @param __DMATX__ UART DMA TX state.
  1200. * @retval SET (__DMATX__ is valid) or RESET (__DMATX__ is invalid)
  1201. */
  1202. #define IS_UART_DMA_TX(__DMATX__) (((__DMATX__) == UART_DMA_TX_DISABLE) || \
  1203. ((__DMATX__) == UART_DMA_TX_ENABLE))
  1204. /**
  1205. * @brief Ensure that UART DMA RX state is valid.
  1206. * @param __DMARX__ UART DMA RX state.
  1207. * @retval SET (__DMARX__ is valid) or RESET (__DMARX__ is invalid)
  1208. */
  1209. #define IS_UART_DMA_RX(__DMARX__) (((__DMARX__) == UART_DMA_RX_DISABLE) || \
  1210. ((__DMARX__) == UART_DMA_RX_ENABLE))
  1211. /**
  1212. * @brief Ensure that UART half-duplex state is valid.
  1213. * @param __HDSEL__ UART half-duplex state.
  1214. * @retval SET (__HDSEL__ is valid) or RESET (__HDSEL__ is invalid)
  1215. */
  1216. #define IS_UART_HALF_DUPLEX(__HDSEL__) (((__HDSEL__) == UART_HALF_DUPLEX_DISABLE) || \
  1217. ((__HDSEL__) == UART_HALF_DUPLEX_ENABLE))
  1218. /**
  1219. * @brief Ensure that UART wake-up method is valid.
  1220. * @param __WAKEUP__ UART wake-up method .
  1221. * @retval SET (__WAKEUP__ is valid) or RESET (__WAKEUP__ is invalid)
  1222. */
  1223. #define IS_UART_WAKEUPMETHOD(__WAKEUP__) (((__WAKEUP__) == UART_WAKEUPMETHOD_IDLELINE) || \
  1224. ((__WAKEUP__) == UART_WAKEUPMETHOD_ADDRESSMARK))
  1225. /**
  1226. * @brief Ensure that UART request parameter is valid.
  1227. * @param __PARAM__ UART request parameter.
  1228. * @retval SET (__PARAM__ is valid) or RESET (__PARAM__ is invalid)
  1229. */
  1230. #if defined(USART_RQR_TXFRQ)
  1231. #define IS_UART_REQUEST_PARAMETER(__PARAM__) (((__PARAM__) == UART_AUTOBAUD_REQUEST) || \
  1232. ((__PARAM__) == UART_SENDBREAK_REQUEST) || \
  1233. ((__PARAM__) == UART_MUTE_MODE_REQUEST) || \
  1234. ((__PARAM__) == UART_RXDATA_FLUSH_REQUEST) || \
  1235. ((__PARAM__) == UART_TXDATA_FLUSH_REQUEST))
  1236. #else
  1237. #define IS_UART_REQUEST_PARAMETER(__PARAM__) (((__PARAM__) == UART_AUTOBAUD_REQUEST) || \
  1238. ((__PARAM__) == UART_SENDBREAK_REQUEST) || \
  1239. ((__PARAM__) == UART_MUTE_MODE_REQUEST) || \
  1240. ((__PARAM__) == UART_RXDATA_FLUSH_REQUEST))
  1241. #endif /* USART_RQR_TXFRQ */
  1242. /**
  1243. * @brief Ensure that UART advanced features initialization is valid.
  1244. * @param __INIT__ UART advanced features initialization.
  1245. * @retval SET (__INIT__ is valid) or RESET (__INIT__ is invalid)
  1246. */
  1247. #define IS_UART_ADVFEATURE_INIT(__INIT__) ((__INIT__) <= (UART_ADVFEATURE_NO_INIT | \
  1248. UART_ADVFEATURE_TXINVERT_INIT | \
  1249. UART_ADVFEATURE_RXINVERT_INIT | \
  1250. UART_ADVFEATURE_DATAINVERT_INIT | \
  1251. UART_ADVFEATURE_SWAP_INIT | \
  1252. UART_ADVFEATURE_RXOVERRUNDISABLE_INIT | \
  1253. UART_ADVFEATURE_DMADISABLEONERROR_INIT | \
  1254. UART_ADVFEATURE_AUTOBAUDRATE_INIT | \
  1255. UART_ADVFEATURE_MSBFIRST_INIT))
  1256. /**
  1257. * @brief Ensure that UART frame TX inversion setting is valid.
  1258. * @param __TXINV__ UART frame TX inversion setting.
  1259. * @retval SET (__TXINV__ is valid) or RESET (__TXINV__ is invalid)
  1260. */
  1261. #define IS_UART_ADVFEATURE_TXINV(__TXINV__) (((__TXINV__) == UART_ADVFEATURE_TXINV_DISABLE) || \
  1262. ((__TXINV__) == UART_ADVFEATURE_TXINV_ENABLE))
  1263. /**
  1264. * @brief Ensure that UART frame RX inversion setting is valid.
  1265. * @param __RXINV__ UART frame RX inversion setting.
  1266. * @retval SET (__RXINV__ is valid) or RESET (__RXINV__ is invalid)
  1267. */
  1268. #define IS_UART_ADVFEATURE_RXINV(__RXINV__) (((__RXINV__) == UART_ADVFEATURE_RXINV_DISABLE) || \
  1269. ((__RXINV__) == UART_ADVFEATURE_RXINV_ENABLE))
  1270. /**
  1271. * @brief Ensure that UART frame data inversion setting is valid.
  1272. * @param __DATAINV__ UART frame data inversion setting.
  1273. * @retval SET (__DATAINV__ is valid) or RESET (__DATAINV__ is invalid)
  1274. */
  1275. #define IS_UART_ADVFEATURE_DATAINV(__DATAINV__) (((__DATAINV__) == UART_ADVFEATURE_DATAINV_DISABLE) || \
  1276. ((__DATAINV__) == UART_ADVFEATURE_DATAINV_ENABLE))
  1277. /**
  1278. * @brief Ensure that UART frame RX/TX pins swap setting is valid.
  1279. * @param __SWAP__ UART frame RX/TX pins swap setting.
  1280. * @retval SET (__SWAP__ is valid) or RESET (__SWAP__ is invalid)
  1281. */
  1282. #define IS_UART_ADVFEATURE_SWAP(__SWAP__) (((__SWAP__) == UART_ADVFEATURE_SWAP_DISABLE) || \
  1283. ((__SWAP__) == UART_ADVFEATURE_SWAP_ENABLE))
  1284. /**
  1285. * @brief Ensure that UART frame overrun setting is valid.
  1286. * @param __OVERRUN__ UART frame overrun setting.
  1287. * @retval SET (__OVERRUN__ is valid) or RESET (__OVERRUN__ is invalid)
  1288. */
  1289. #define IS_UART_OVERRUN(__OVERRUN__) (((__OVERRUN__) == UART_ADVFEATURE_OVERRUN_ENABLE) || \
  1290. ((__OVERRUN__) == UART_ADVFEATURE_OVERRUN_DISABLE))
  1291. /**
  1292. * @brief Ensure that UART auto Baud rate state is valid.
  1293. * @param __AUTOBAUDRATE__ UART auto Baud rate state.
  1294. * @retval SET (__AUTOBAUDRATE__ is valid) or RESET (__AUTOBAUDRATE__ is invalid)
  1295. */
  1296. #define IS_UART_ADVFEATURE_AUTOBAUDRATE(__AUTOBAUDRATE__) (((__AUTOBAUDRATE__) == \
  1297. UART_ADVFEATURE_AUTOBAUDRATE_DISABLE) || \
  1298. ((__AUTOBAUDRATE__) == UART_ADVFEATURE_AUTOBAUDRATE_ENABLE))
  1299. /**
  1300. * @brief Ensure that UART DMA enabling or disabling on error setting is valid.
  1301. * @param __DMA__ UART DMA enabling or disabling on error setting.
  1302. * @retval SET (__DMA__ is valid) or RESET (__DMA__ is invalid)
  1303. */
  1304. #define IS_UART_ADVFEATURE_DMAONRXERROR(__DMA__) (((__DMA__) == UART_ADVFEATURE_DMA_ENABLEONRXERROR) || \
  1305. ((__DMA__) == UART_ADVFEATURE_DMA_DISABLEONRXERROR))
  1306. /**
  1307. * @brief Ensure that UART frame MSB first setting is valid.
  1308. * @param __MSBFIRST__ UART frame MSB first setting.
  1309. * @retval SET (__MSBFIRST__ is valid) or RESET (__MSBFIRST__ is invalid)
  1310. */
  1311. #define IS_UART_ADVFEATURE_MSBFIRST(__MSBFIRST__) (((__MSBFIRST__) == UART_ADVFEATURE_MSBFIRST_DISABLE) || \
  1312. ((__MSBFIRST__) == UART_ADVFEATURE_MSBFIRST_ENABLE))
  1313. #if defined(USART_CR1_UESM)
  1314. /**
  1315. * @brief Ensure that UART stop mode state is valid.
  1316. * @param __STOPMODE__ UART stop mode state.
  1317. * @retval SET (__STOPMODE__ is valid) or RESET (__STOPMODE__ is invalid)
  1318. */
  1319. #define IS_UART_ADVFEATURE_STOPMODE(__STOPMODE__) (((__STOPMODE__) == UART_ADVFEATURE_STOPMODE_DISABLE) || \
  1320. ((__STOPMODE__) == UART_ADVFEATURE_STOPMODE_ENABLE))
  1321. #endif /* USART_CR1_UESM */
  1322. /**
  1323. * @brief Ensure that UART mute mode state is valid.
  1324. * @param __MUTE__ UART mute mode state.
  1325. * @retval SET (__MUTE__ is valid) or RESET (__MUTE__ is invalid)
  1326. */
  1327. #define IS_UART_MUTE_MODE(__MUTE__) (((__MUTE__) == UART_ADVFEATURE_MUTEMODE_DISABLE) || \
  1328. ((__MUTE__) == UART_ADVFEATURE_MUTEMODE_ENABLE))
  1329. #if defined(USART_CR1_UESM)
  1330. /**
  1331. * @brief Ensure that UART wake-up selection is valid.
  1332. * @param __WAKE__ UART wake-up selection.
  1333. * @retval SET (__WAKE__ is valid) or RESET (__WAKE__ is invalid)
  1334. */
  1335. #if defined(USART_CR3_WUFIE)
  1336. #define IS_UART_WAKEUP_SELECTION(__WAKE__) (((__WAKE__) == UART_WAKEUP_ON_ADDRESS) || \
  1337. ((__WAKE__) == UART_WAKEUP_ON_STARTBIT) || \
  1338. ((__WAKE__) == UART_WAKEUP_ON_READDATA_NONEMPTY))
  1339. #else
  1340. #define IS_UART_WAKEUP_SELECTION(__WAKE__) (((__WAKE__) == UART_WAKEUP_ON_ADDRESS) || \
  1341. ((__WAKE__) == UART_WAKEUP_ON_READDATA_NONEMPTY))
  1342. #endif /* USART_CR3_WUFIE */
  1343. #endif /* USART_CR1_UESM */
  1344. /**
  1345. * @brief Ensure that UART driver enable polarity is valid.
  1346. * @param __POLARITY__ UART driver enable polarity.
  1347. * @retval SET (__POLARITY__ is valid) or RESET (__POLARITY__ is invalid)
  1348. */
  1349. #define IS_UART_DE_POLARITY(__POLARITY__) (((__POLARITY__) == UART_DE_POLARITY_HIGH) || \
  1350. ((__POLARITY__) == UART_DE_POLARITY_LOW))
  1351. /**
  1352. * @}
  1353. */
  1354. /* Include UART HAL Extended module */
  1355. #include "stm32f0xx_hal_uart_ex.h"
  1356. /* Exported functions --------------------------------------------------------*/
  1357. /** @addtogroup UART_Exported_Functions UART Exported Functions
  1358. * @{
  1359. */
  1360. /** @addtogroup UART_Exported_Functions_Group1 Initialization and de-initialization functions
  1361. * @{
  1362. */
  1363. /* Initialization and de-initialization functions ****************************/
  1364. HAL_StatusTypeDef HAL_UART_Init(UART_HandleTypeDef *huart);
  1365. HAL_StatusTypeDef HAL_HalfDuplex_Init(UART_HandleTypeDef *huart);
  1366. #if defined(USART_CR2_LINEN)
  1367. HAL_StatusTypeDef HAL_LIN_Init(UART_HandleTypeDef *huart, uint32_t BreakDetectLength);
  1368. #endif /* USART_CR2_LINEN */
  1369. HAL_StatusTypeDef HAL_MultiProcessor_Init(UART_HandleTypeDef *huart, uint8_t Address, uint32_t WakeUpMethod);
  1370. HAL_StatusTypeDef HAL_UART_DeInit(UART_HandleTypeDef *huart);
  1371. void HAL_UART_MspInit(UART_HandleTypeDef *huart);
  1372. void HAL_UART_MspDeInit(UART_HandleTypeDef *huart);
  1373. /* Callbacks Register/UnRegister functions ***********************************/
  1374. #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
  1375. HAL_StatusTypeDef HAL_UART_RegisterCallback(UART_HandleTypeDef *huart, HAL_UART_CallbackIDTypeDef CallbackID,
  1376. pUART_CallbackTypeDef pCallback);
  1377. HAL_StatusTypeDef HAL_UART_UnRegisterCallback(UART_HandleTypeDef *huart, HAL_UART_CallbackIDTypeDef CallbackID);
  1378. HAL_StatusTypeDef HAL_UART_RegisterRxEventCallback(UART_HandleTypeDef *huart, pUART_RxEventCallbackTypeDef pCallback);
  1379. HAL_StatusTypeDef HAL_UART_UnRegisterRxEventCallback(UART_HandleTypeDef *huart);
  1380. #endif /* USE_HAL_UART_REGISTER_CALLBACKS */
  1381. /**
  1382. * @}
  1383. */
  1384. /** @addtogroup UART_Exported_Functions_Group2 IO operation functions
  1385. * @{
  1386. */
  1387. /* IO operation functions *****************************************************/
  1388. HAL_StatusTypeDef HAL_UART_Transmit(UART_HandleTypeDef *huart, const uint8_t *pData, uint16_t Size, uint32_t Timeout);
  1389. HAL_StatusTypeDef HAL_UART_Receive(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout);
  1390. HAL_StatusTypeDef HAL_UART_Transmit_IT(UART_HandleTypeDef *huart, const uint8_t *pData, uint16_t Size);
  1391. HAL_StatusTypeDef HAL_UART_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
  1392. HAL_StatusTypeDef HAL_UART_Transmit_DMA(UART_HandleTypeDef *huart, const uint8_t *pData, uint16_t Size);
  1393. HAL_StatusTypeDef HAL_UART_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
  1394. HAL_StatusTypeDef HAL_UART_DMAPause(UART_HandleTypeDef *huart);
  1395. HAL_StatusTypeDef HAL_UART_DMAResume(UART_HandleTypeDef *huart);
  1396. HAL_StatusTypeDef HAL_UART_DMAStop(UART_HandleTypeDef *huart);
  1397. /* Transfer Abort functions */
  1398. HAL_StatusTypeDef HAL_UART_Abort(UART_HandleTypeDef *huart);
  1399. HAL_StatusTypeDef HAL_UART_AbortTransmit(UART_HandleTypeDef *huart);
  1400. HAL_StatusTypeDef HAL_UART_AbortReceive(UART_HandleTypeDef *huart);
  1401. HAL_StatusTypeDef HAL_UART_Abort_IT(UART_HandleTypeDef *huart);
  1402. HAL_StatusTypeDef HAL_UART_AbortTransmit_IT(UART_HandleTypeDef *huart);
  1403. HAL_StatusTypeDef HAL_UART_AbortReceive_IT(UART_HandleTypeDef *huart);
  1404. void HAL_UART_IRQHandler(UART_HandleTypeDef *huart);
  1405. void HAL_UART_TxHalfCpltCallback(UART_HandleTypeDef *huart);
  1406. void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart);
  1407. void HAL_UART_RxHalfCpltCallback(UART_HandleTypeDef *huart);
  1408. void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart);
  1409. void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart);
  1410. void HAL_UART_AbortCpltCallback(UART_HandleTypeDef *huart);
  1411. void HAL_UART_AbortTransmitCpltCallback(UART_HandleTypeDef *huart);
  1412. void HAL_UART_AbortReceiveCpltCallback(UART_HandleTypeDef *huart);
  1413. void HAL_UARTEx_RxEventCallback(UART_HandleTypeDef *huart, uint16_t Size);
  1414. /**
  1415. * @}
  1416. */
  1417. /** @addtogroup UART_Exported_Functions_Group3 Peripheral Control functions
  1418. * @{
  1419. */
  1420. /* Peripheral Control functions ************************************************/
  1421. void HAL_UART_ReceiverTimeout_Config(UART_HandleTypeDef *huart, uint32_t TimeoutValue);
  1422. HAL_StatusTypeDef HAL_UART_EnableReceiverTimeout(UART_HandleTypeDef *huart);
  1423. HAL_StatusTypeDef HAL_UART_DisableReceiverTimeout(UART_HandleTypeDef *huart);
  1424. #if defined(USART_CR2_LINEN)
  1425. HAL_StatusTypeDef HAL_LIN_SendBreak(UART_HandleTypeDef *huart);
  1426. #endif /* USART_CR2_LINEN */
  1427. HAL_StatusTypeDef HAL_MultiProcessor_EnableMuteMode(UART_HandleTypeDef *huart);
  1428. HAL_StatusTypeDef HAL_MultiProcessor_DisableMuteMode(UART_HandleTypeDef *huart);
  1429. void HAL_MultiProcessor_EnterMuteMode(UART_HandleTypeDef *huart);
  1430. HAL_StatusTypeDef HAL_HalfDuplex_EnableTransmitter(UART_HandleTypeDef *huart);
  1431. HAL_StatusTypeDef HAL_HalfDuplex_EnableReceiver(UART_HandleTypeDef *huart);
  1432. /**
  1433. * @}
  1434. */
  1435. /** @addtogroup UART_Exported_Functions_Group4 Peripheral State and Error functions
  1436. * @{
  1437. */
  1438. /* Peripheral State and Errors functions **************************************************/
  1439. HAL_UART_StateTypeDef HAL_UART_GetState(const UART_HandleTypeDef *huart);
  1440. uint32_t HAL_UART_GetError(const UART_HandleTypeDef *huart);
  1441. /**
  1442. * @}
  1443. */
  1444. /**
  1445. * @}
  1446. */
  1447. /* Private functions -----------------------------------------------------------*/
  1448. /** @addtogroup UART_Private_Functions UART Private Functions
  1449. * @{
  1450. */
  1451. #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
  1452. void UART_InitCallbacksToDefault(UART_HandleTypeDef *huart);
  1453. #endif /* USE_HAL_UART_REGISTER_CALLBACKS */
  1454. HAL_StatusTypeDef UART_SetConfig(UART_HandleTypeDef *huart);
  1455. HAL_StatusTypeDef UART_CheckIdleState(UART_HandleTypeDef *huart);
  1456. HAL_StatusTypeDef UART_WaitOnFlagUntilTimeout(UART_HandleTypeDef *huart, uint32_t Flag, FlagStatus Status,
  1457. uint32_t Tickstart, uint32_t Timeout);
  1458. void UART_AdvFeatureConfig(UART_HandleTypeDef *huart);
  1459. HAL_StatusTypeDef UART_Start_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
  1460. HAL_StatusTypeDef UART_Start_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
  1461. /**
  1462. * @}
  1463. */
  1464. /* Private variables -----------------------------------------------------------*/
  1465. /**
  1466. * @}
  1467. */
  1468. /**
  1469. * @}
  1470. */
  1471. #ifdef __cplusplus
  1472. }
  1473. #endif
  1474. #endif /* STM32F0xx_HAL_UART_H */