stm32l4xx_hal_uart.h 83 KB

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  1. /**
  2. ******************************************************************************
  3. * @file stm32l4xx_hal_uart.h
  4. * @author MCD Application Team
  5. * @brief Header file of UART HAL module.
  6. ******************************************************************************
  7. * @attention
  8. *
  9. * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
  10. *
  11. * Redistribution and use in source and binary forms, with or without modification,
  12. * are permitted provided that the following conditions are met:
  13. * 1. Redistributions of source code must retain the above copyright notice,
  14. * this list of conditions and the following disclaimer.
  15. * 2. Redistributions in binary form must reproduce the above copyright notice,
  16. * this list of conditions and the following disclaimer in the documentation
  17. * and/or other materials provided with the distribution.
  18. * 3. Neither the name of STMicroelectronics nor the names of its contributors
  19. * may be used to endorse or promote products derived from this software
  20. * without specific prior written permission.
  21. *
  22. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  23. * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  25. * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  26. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  28. * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  29. * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  30. * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32. *
  33. ******************************************************************************
  34. */
  35. /* Define to prevent recursive inclusion -------------------------------------*/
  36. #ifndef __STM32L4xx_HAL_UART_H
  37. #define __STM32L4xx_HAL_UART_H
  38. #ifdef __cplusplus
  39. extern "C" {
  40. #endif
  41. /* Includes ------------------------------------------------------------------*/
  42. #include "stm32l4xx_hal_def.h"
  43. /** @addtogroup STM32L4xx_HAL_Driver
  44. * @{
  45. */
  46. /** @addtogroup UART
  47. * @{
  48. */
  49. /* Exported types ------------------------------------------------------------*/
  50. /** @defgroup UART_Exported_Types UART Exported Types
  51. * @{
  52. */
  53. /**
  54. * @brief UART Init Structure definition
  55. */
  56. typedef struct
  57. {
  58. uint32_t BaudRate; /*!< This member configures the UART communication baud rate.
  59. The baud rate register is computed using the following formula:
  60. UART:
  61. =====
  62. - If oversampling is 16 or in LIN mode,
  63. Baud Rate Register = ((uart_ker_ckpres) / ((huart->Init.BaudRate)))
  64. - If oversampling is 8,
  65. Baud Rate Register[15:4] = ((2 * uart_ker_ckpres) / ((huart->Init.BaudRate)))[15:4]
  66. Baud Rate Register[3] = 0
  67. Baud Rate Register[2:0] = (((2 * uart_ker_ckpres) / ((huart->Init.BaudRate)))[3:0]) >> 1
  68. LPUART:
  69. =======
  70. Baud Rate Register = ((256 * lpuart_ker_ckpres) / ((huart->Init.BaudRate)))
  71. where (uart/lpuart)_ker_ck_pres is the UART input clock divided by a prescaler */
  72. uint32_t WordLength; /*!< Specifies the number of data bits transmitted or received in a frame.
  73. This parameter can be a value of @ref UARTEx_Word_Length. */
  74. uint32_t StopBits; /*!< Specifies the number of stop bits transmitted.
  75. This parameter can be a value of @ref UART_Stop_Bits. */
  76. uint32_t Parity; /*!< Specifies the parity mode.
  77. This parameter can be a value of @ref UART_Parity
  78. @note When parity is enabled, the computed parity is inserted
  79. at the MSB position of the transmitted data (9th bit when
  80. the word length is set to 9 data bits; 8th bit when the
  81. word length is set to 8 data bits). */
  82. uint32_t Mode; /*!< Specifies whether the Receive or Transmit mode is enabled or disabled.
  83. This parameter can be a value of @ref UART_Mode. */
  84. uint32_t HwFlowCtl; /*!< Specifies whether the hardware flow control mode is enabled
  85. or disabled.
  86. This parameter can be a value of @ref UART_Hardware_Flow_Control. */
  87. uint32_t OverSampling; /*!< Specifies whether the Over sampling 8 is enabled or disabled, to achieve higher speed (up to f_PCLK/8).
  88. This parameter can be a value of @ref UART_Over_Sampling. */
  89. uint32_t OneBitSampling; /*!< Specifies whether a single sample or three samples' majority vote is selected.
  90. Selecting the single sample method increases the receiver tolerance to clock
  91. deviations. This parameter can be a value of @ref UART_OneBit_Sampling. */
  92. #if defined(USART_PRESC_PRESCALER)
  93. uint32_t ClockPrescaler; /*!< Specifies the prescaler value used to divide the UART clock source.
  94. This parameter can be a value of @ref UART_ClockPrescaler. */
  95. #endif
  96. }UART_InitTypeDef;
  97. /**
  98. * @brief UART Advanced Features initalization structure definition
  99. */
  100. typedef struct
  101. {
  102. uint32_t AdvFeatureInit; /*!< Specifies which advanced UART features is initialized. Several
  103. Advanced Features may be initialized at the same time .
  104. This parameter can be a value of @ref UART_Advanced_Features_Initialization_Type. */
  105. uint32_t TxPinLevelInvert; /*!< Specifies whether the TX pin active level is inverted.
  106. This parameter can be a value of @ref UART_Tx_Inv. */
  107. uint32_t RxPinLevelInvert; /*!< Specifies whether the RX pin active level is inverted.
  108. This parameter can be a value of @ref UART_Rx_Inv. */
  109. uint32_t DataInvert; /*!< Specifies whether data are inverted (positive/direct logic
  110. vs negative/inverted logic).
  111. This parameter can be a value of @ref UART_Data_Inv. */
  112. uint32_t Swap; /*!< Specifies whether TX and RX pins are swapped.
  113. This parameter can be a value of @ref UART_Rx_Tx_Swap. */
  114. uint32_t OverrunDisable; /*!< Specifies whether the reception overrun detection is disabled.
  115. This parameter can be a value of @ref UART_Overrun_Disable. */
  116. uint32_t DMADisableonRxError; /*!< Specifies whether the DMA is disabled in case of reception error.
  117. This parameter can be a value of @ref UART_DMA_Disable_on_Rx_Error. */
  118. uint32_t AutoBaudRateEnable; /*!< Specifies whether auto Baud rate detection is enabled.
  119. This parameter can be a value of @ref UART_AutoBaudRate_Enable */
  120. uint32_t AutoBaudRateMode; /*!< If auto Baud rate detection is enabled, specifies how the rate
  121. detection is carried out.
  122. This parameter can be a value of @ref UART_AutoBaud_Rate_Mode. */
  123. uint32_t MSBFirst; /*!< Specifies whether MSB is sent first on UART line.
  124. This parameter can be a value of @ref UART_MSB_First. */
  125. } UART_AdvFeatureInitTypeDef;
  126. /**
  127. * @brief HAL UART State structures definition
  128. * @note HAL UART State value is a combination of 2 different substates: gState and RxState.
  129. * - gState contains UART state information related to global Handle management
  130. * and also information related to Tx operations.
  131. * gState value coding follow below described bitmap :
  132. * b7-b6 Error information
  133. * 00 : No Error
  134. * 01 : (Not Used)
  135. * 10 : Timeout
  136. * 11 : Error
  137. * b5 IP initilisation status
  138. * 0 : Reset (IP not initialized)
  139. * 1 : Init done (IP not initialized. HAL UART Init function already called)
  140. * b4-b3 (not used)
  141. * xx : Should be set to 00
  142. * b2 Intrinsic process state
  143. * 0 : Ready
  144. * 1 : Busy (IP busy with some configuration or internal operations)
  145. * b1 (not used)
  146. * x : Should be set to 0
  147. * b0 Tx state
  148. * 0 : Ready (no Tx operation ongoing)
  149. * 1 : Busy (Tx operation ongoing)
  150. * - RxState contains information related to Rx operations.
  151. * RxState value coding follow below described bitmap :
  152. * b7-b6 (not used)
  153. * xx : Should be set to 00
  154. * b5 IP initilisation status
  155. * 0 : Reset (IP not initialized)
  156. * 1 : Init done (IP not initialized)
  157. * b4-b2 (not used)
  158. * xxx : Should be set to 000
  159. * b1 Rx state
  160. * 0 : Ready (no Rx operation ongoing)
  161. * 1 : Busy (Rx operation ongoing)
  162. * b0 (not used)
  163. * x : Should be set to 0.
  164. */
  165. typedef enum
  166. {
  167. HAL_UART_STATE_RESET = 0x00U, /*!< Peripheral is not initialized
  168. Value is allowed for gState and RxState */
  169. HAL_UART_STATE_READY = 0x20U, /*!< Peripheral Initialized and ready for use
  170. Value is allowed for gState and RxState */
  171. HAL_UART_STATE_BUSY = 0x24U, /*!< an internal process is ongoing
  172. Value is allowed for gState only */
  173. HAL_UART_STATE_BUSY_TX = 0x21U, /*!< Data Transmission process is ongoing
  174. Value is allowed for gState only */
  175. HAL_UART_STATE_BUSY_RX = 0x22U, /*!< Data Reception process is ongoing
  176. Value is allowed for RxState only */
  177. HAL_UART_STATE_BUSY_TX_RX = 0x23U, /*!< Data Transmission and Reception process is ongoing
  178. Not to be used for neither gState nor RxState.
  179. Value is result of combination (Or) between gState and RxState values */
  180. HAL_UART_STATE_TIMEOUT = 0xA0U, /*!< Timeout state
  181. Value is allowed for gState only */
  182. HAL_UART_STATE_ERROR = 0xE0U /*!< Error
  183. Value is allowed for gState only */
  184. }HAL_UART_StateTypeDef;
  185. /**
  186. * @brief HAL UART Error Code structure definition
  187. */
  188. typedef enum
  189. {
  190. HAL_UART_ERROR_NONE = 0x00U, /*!< No error */
  191. HAL_UART_ERROR_PE = 0x01U, /*!< Parity error */
  192. HAL_UART_ERROR_NE = 0x02U, /*!< Noise error */
  193. HAL_UART_ERROR_FE = 0x04U, /*!< frame error */
  194. HAL_UART_ERROR_ORE = 0x08U, /*!< Overrun error */
  195. HAL_UART_ERROR_DMA = 0x10U /*!< DMA transfer error */
  196. }HAL_UART_ErrorTypeDef;
  197. /**
  198. * @brief UART clock sources definition
  199. */
  200. typedef enum
  201. {
  202. UART_CLOCKSOURCE_PCLK1 = 0x00U, /*!< PCLK1 clock source */
  203. UART_CLOCKSOURCE_PCLK2 = 0x01U, /*!< PCLK2 clock source */
  204. UART_CLOCKSOURCE_HSI = 0x02U, /*!< HSI clock source */
  205. UART_CLOCKSOURCE_SYSCLK = 0x04U, /*!< SYSCLK clock source */
  206. UART_CLOCKSOURCE_LSE = 0x08U, /*!< LSE clock source */
  207. UART_CLOCKSOURCE_UNDEFINED = 0x10U /*!< Undefined clock source */
  208. }UART_ClockSourceTypeDef;
  209. /**
  210. * @brief UART handle Structure definition
  211. */
  212. typedef struct __UART_HandleTypeDef
  213. {
  214. USART_TypeDef *Instance; /*!< UART registers base address */
  215. UART_InitTypeDef Init; /*!< UART communication parameters */
  216. UART_AdvFeatureInitTypeDef AdvancedInit; /*!< UART Advanced Features initialization parameters */
  217. uint8_t *pTxBuffPtr; /*!< Pointer to UART Tx transfer Buffer */
  218. uint16_t TxXferSize; /*!< UART Tx Transfer size */
  219. __IO uint16_t TxXferCount; /*!< UART Tx Transfer Counter */
  220. uint8_t *pRxBuffPtr; /*!< Pointer to UART Rx transfer Buffer */
  221. uint16_t RxXferSize; /*!< UART Rx Transfer size */
  222. __IO uint16_t RxXferCount; /*!< UART Rx Transfer Counter */
  223. uint16_t Mask; /*!< UART Rx RDR register mask */
  224. #if defined(USART_CR1_FIFOEN)
  225. uint16_t NbRxDataToProcess; /*!< Number of data to process during RX ISR execution */
  226. uint16_t NbTxDataToProcess; /*!< Number of data to process during TX ISR execution */
  227. uint32_t FifoMode; /*!< Specifies if the FIFO mode is being used.
  228. This parameter can be a value of @ref UARTEx_FIFO_mode. */
  229. #endif
  230. #if defined(USART_CR2_SLVEN)
  231. uint32_t SlaveMode; /*!< Specifies if the UART SPI Slave mode is being used.
  232. This parameter can be a value of @ref UARTEx_Slave_Mode. */
  233. #endif
  234. void (*RxISR)(struct __UART_HandleTypeDef *huart); /*!< Function pointer on Rx IRQ handler */
  235. void (*TxISR)(struct __UART_HandleTypeDef *huart); /*!< Function pointer on Tx IRQ handler */
  236. DMA_HandleTypeDef *hdmatx; /*!< UART Tx DMA Handle parameters */
  237. DMA_HandleTypeDef *hdmarx; /*!< UART Rx DMA Handle parameters */
  238. HAL_LockTypeDef Lock; /*!< Locking object */
  239. __IO HAL_UART_StateTypeDef gState; /*!< UART state information related to global Handle management
  240. and also related to Tx operations.
  241. This parameter can be a value of @ref HAL_UART_StateTypeDef */
  242. __IO HAL_UART_StateTypeDef RxState; /*!< UART state information related to Rx operations.
  243. This parameter can be a value of @ref HAL_UART_StateTypeDef */
  244. __IO uint32_t ErrorCode; /*!< UART Error code */
  245. }UART_HandleTypeDef;
  246. /**
  247. * @}
  248. */
  249. /* Exported constants --------------------------------------------------------*/
  250. /** @defgroup UART_Exported_Constants UART Exported Constants
  251. * @{
  252. */
  253. /** @defgroup UART_Stop_Bits UART Number of Stop Bits
  254. * @{
  255. */
  256. #define UART_STOPBITS_0_5 USART_CR2_STOP_0 /*!< UART frame with 0.5 stop bit */
  257. #define UART_STOPBITS_1 0x00000000U /*!< UART frame with 1 stop bit */
  258. #define UART_STOPBITS_1_5 (USART_CR2_STOP_0 | USART_CR2_STOP_1) /*!< UART frame with 1.5 stop bits */
  259. #define UART_STOPBITS_2 USART_CR2_STOP_1 /*!< UART frame with 2 stop bits */
  260. /**
  261. * @}
  262. */
  263. /** @defgroup UART_Parity UART Parity
  264. * @{
  265. */
  266. #define UART_PARITY_NONE 0x00000000U /*!< No parity */
  267. #define UART_PARITY_EVEN USART_CR1_PCE /*!< Even parity */
  268. #define UART_PARITY_ODD (USART_CR1_PCE | USART_CR1_PS) /*!< Odd parity */
  269. /**
  270. * @}
  271. */
  272. /** @defgroup UART_Hardware_Flow_Control UART Hardware Flow Control
  273. * @{
  274. */
  275. #define UART_HWCONTROL_NONE 0x00000000U /*!< No hardware control */
  276. #define UART_HWCONTROL_RTS USART_CR3_RTSE /*!< Request To Send */
  277. #define UART_HWCONTROL_CTS USART_CR3_CTSE /*!< Clear To Send */
  278. #define UART_HWCONTROL_RTS_CTS (USART_CR3_RTSE | USART_CR3_CTSE) /*!< Request and Clear To Send */
  279. /**
  280. * @}
  281. */
  282. /** @defgroup UART_Mode UART Transfer Mode
  283. * @{
  284. */
  285. #define UART_MODE_RX USART_CR1_RE /*!< RX mode */
  286. #define UART_MODE_TX USART_CR1_TE /*!< TX mode */
  287. #define UART_MODE_TX_RX (USART_CR1_TE |USART_CR1_RE) /*!< RX and TX mode */
  288. /**
  289. * @}
  290. */
  291. /** @defgroup UART_State UART State
  292. * @{
  293. */
  294. #define UART_STATE_DISABLE 0x00000000U /*!< UART disabled */
  295. #define UART_STATE_ENABLE USART_CR1_UE /*!< UART enabled */
  296. /**
  297. * @}
  298. */
  299. /** @defgroup UART_Over_Sampling UART Over Sampling
  300. * @{
  301. */
  302. #define UART_OVERSAMPLING_16 0x00000000U /*!< Oversampling by 16 */
  303. #define UART_OVERSAMPLING_8 USART_CR1_OVER8 /*!< Oversampling by 8 */
  304. /**
  305. * @}
  306. */
  307. /** @defgroup UART_OneBit_Sampling UART One Bit Sampling Method
  308. * @{
  309. */
  310. #define UART_ONE_BIT_SAMPLE_DISABLE 0x00000000U /*!< One-bit sampling disable */
  311. #define UART_ONE_BIT_SAMPLE_ENABLE USART_CR3_ONEBIT /*!< One-bit sampling enable */
  312. /**
  313. * @}
  314. */
  315. #if defined(USART_PRESC_PRESCALER)
  316. /** @defgroup UART_ClockPrescaler UART Clock Prescaler
  317. * @{
  318. */
  319. #define UART_PRESCALER_DIV1 0x00000000U /*!< fclk_pres = fclk */
  320. #define UART_PRESCALER_DIV2 0x00000001U /*!< fclk_pres = fclk/2 */
  321. #define UART_PRESCALER_DIV4 0x00000002U /*!< fclk_pres = fclk/4 */
  322. #define UART_PRESCALER_DIV6 0x00000003U /*!< fclk_pres = fclk/6 */
  323. #define UART_PRESCALER_DIV8 0x00000004U /*!< fclk_pres = fclk/8 */
  324. #define UART_PRESCALER_DIV10 0x00000005U /*!< fclk_pres = fclk/10 */
  325. #define UART_PRESCALER_DIV12 0x00000006U /*!< fclk_pres = fclk/12 */
  326. #define UART_PRESCALER_DIV16 0x00000007U /*!< fclk_pres = fclk/16 */
  327. #define UART_PRESCALER_DIV32 0x00000008U /*!< fclk_pres = fclk/32 */
  328. #define UART_PRESCALER_DIV64 0x00000009U /*!< fclk_pres = fclk/64 */
  329. #define UART_PRESCALER_DIV128 0x0000000AU /*!< fclk_pres = fclk/128 */
  330. #define UART_PRESCALER_DIV256 0x0000000BU /*!< fclk_pres = fclk/256 */
  331. /**
  332. * @}
  333. */
  334. #endif
  335. /** @defgroup UART_AutoBaud_Rate_Mode UART Advanced Feature AutoBaud Rate Mode
  336. * @{
  337. */
  338. #define UART_ADVFEATURE_AUTOBAUDRATE_ONSTARTBIT 0x00000000U /*!< Auto Baud rate detection on start bit */
  339. #define UART_ADVFEATURE_AUTOBAUDRATE_ONFALLINGEDGE USART_CR2_ABRMODE_0 /*!< Auto Baud rate detection on falling edge */
  340. #define UART_ADVFEATURE_AUTOBAUDRATE_ON0X7FFRAME USART_CR2_ABRMODE_1 /*!< Auto Baud rate detection on 0x7F frame detection */
  341. #define UART_ADVFEATURE_AUTOBAUDRATE_ON0X55FRAME USART_CR2_ABRMODE /*!< Auto Baud rate detection on 0x55 frame detection */
  342. /**
  343. * @}
  344. */
  345. /** @defgroup UART_Receiver_TimeOut UART Receiver TimeOut
  346. * @{
  347. */
  348. #define UART_RECEIVER_TIMEOUT_DISABLE 0x00000000U /*!< UART receiver timeout disable */
  349. #define UART_RECEIVER_TIMEOUT_ENABLE USART_CR2_RTOEN /*!< UART receiver timeout enable */
  350. /**
  351. * @}
  352. */
  353. /** @defgroup UART_LIN UART Local Interconnection Network mode
  354. * @{
  355. */
  356. #define UART_LIN_DISABLE 0x00000000U /*!< Local Interconnect Network disable */
  357. #define UART_LIN_ENABLE USART_CR2_LINEN /*!< Local Interconnect Network enable */
  358. /**
  359. * @}
  360. */
  361. /** @defgroup UART_LIN_Break_Detection UART LIN Break Detection
  362. * @{
  363. */
  364. #define UART_LINBREAKDETECTLENGTH_10B 0x00000000U /*!< LIN 10-bit break detection length */
  365. #define UART_LINBREAKDETECTLENGTH_11B USART_CR2_LBDL /*!< LIN 11-bit break detection length */
  366. /**
  367. * @}
  368. */
  369. /** @defgroup UART_DMA_Tx UART DMA Tx
  370. * @{
  371. */
  372. #define UART_DMA_TX_DISABLE 0x00000000U /*!< UART DMA TX disabled */
  373. #define UART_DMA_TX_ENABLE USART_CR3_DMAT /*!< UART DMA TX enabled */
  374. /**
  375. * @}
  376. */
  377. /** @defgroup UART_DMA_Rx UART DMA Rx
  378. * @{
  379. */
  380. #define UART_DMA_RX_DISABLE 0x00000000U /*!< UART DMA RX disabled */
  381. #define UART_DMA_RX_ENABLE USART_CR3_DMAR /*!< UART DMA RX enabled */
  382. /**
  383. * @}
  384. */
  385. /** @defgroup UART_Half_Duplex_Selection UART Half Duplex Selection
  386. * @{
  387. */
  388. #define UART_HALF_DUPLEX_DISABLE 0x00000000U /*!< UART half-duplex disabled */
  389. #define UART_HALF_DUPLEX_ENABLE USART_CR3_HDSEL /*!< UART half-duplex enabled */
  390. /**
  391. * @}
  392. */
  393. /** @defgroup UART_WakeUp_Methods UART WakeUp Methods
  394. * @{
  395. */
  396. #define UART_WAKEUPMETHOD_IDLELINE 0x00000000U /*!< UART wake-up on idle line */
  397. #define UART_WAKEUPMETHOD_ADDRESSMARK USART_CR1_WAKE /*!< UART wake-up on address mark */
  398. /**
  399. * @}
  400. */
  401. /** @defgroup UART_Request_Parameters UART Request Parameters
  402. * @{
  403. */
  404. #define UART_AUTOBAUD_REQUEST USART_RQR_ABRRQ /*!< Auto-Baud Rate Request */
  405. #define UART_SENDBREAK_REQUEST USART_RQR_SBKRQ /*!< Send Break Request */
  406. #define UART_MUTE_MODE_REQUEST USART_RQR_MMRQ /*!< Mute Mode Request */
  407. #define UART_RXDATA_FLUSH_REQUEST USART_RQR_RXFRQ /*!< Receive Data flush Request */
  408. #define UART_TXDATA_FLUSH_REQUEST USART_RQR_TXFRQ /*!< Transmit data flush Request */
  409. /**
  410. * @}
  411. */
  412. /** @defgroup UART_Advanced_Features_Initialization_Type UART Advanced Feature Initialization Type
  413. * @{
  414. */
  415. #define UART_ADVFEATURE_NO_INIT 0x00000000U /*!< No advanced feature initialization */
  416. #define UART_ADVFEATURE_TXINVERT_INIT 0x00000001U /*!< TX pin active level inversion */
  417. #define UART_ADVFEATURE_RXINVERT_INIT 0x00000002U /*!< RX pin active level inversion */
  418. #define UART_ADVFEATURE_DATAINVERT_INIT 0x00000004U /*!< Binary data inversion */
  419. #define UART_ADVFEATURE_SWAP_INIT 0x00000008U /*!< TX/RX pins swap */
  420. #define UART_ADVFEATURE_RXOVERRUNDISABLE_INIT 0x00000010U /*!< RX overrun disable */
  421. #define UART_ADVFEATURE_DMADISABLEONERROR_INIT 0x00000020U /*!< DMA disable on Reception Error */
  422. #define UART_ADVFEATURE_AUTOBAUDRATE_INIT 0x00000040U /*!< Auto Baud rate detection initialization */
  423. #define UART_ADVFEATURE_MSBFIRST_INIT 0x00000080U /*!< Most significant bit sent/received first */
  424. /**
  425. * @}
  426. */
  427. /** @defgroup UART_Tx_Inv UART Advanced Feature TX Pin Active Level Inversion
  428. * @{
  429. */
  430. #define UART_ADVFEATURE_TXINV_DISABLE 0x00000000U /*!< TX pin active level inversion disable */
  431. #define UART_ADVFEATURE_TXINV_ENABLE USART_CR2_TXINV /*!< TX pin active level inversion enable */
  432. /**
  433. * @}
  434. */
  435. /** @defgroup UART_Rx_Inv UART Advanced Feature RX Pin Active Level Inversion
  436. * @{
  437. */
  438. #define UART_ADVFEATURE_RXINV_DISABLE 0x00000000U /*!< RX pin active level inversion disable */
  439. #define UART_ADVFEATURE_RXINV_ENABLE USART_CR2_RXINV /*!< RX pin active level inversion enable */
  440. /**
  441. * @}
  442. */
  443. /** @defgroup UART_Data_Inv UART Advanced Feature Binary Data Inversion
  444. * @{
  445. */
  446. #define UART_ADVFEATURE_DATAINV_DISABLE 0x00000000U /*!< Binary data inversion disable */
  447. #define UART_ADVFEATURE_DATAINV_ENABLE USART_CR2_DATAINV /*!< Binary data inversion enable */
  448. /**
  449. * @}
  450. */
  451. /** @defgroup UART_Rx_Tx_Swap UART Advanced Feature RX TX Pins Swap
  452. * @{
  453. */
  454. #define UART_ADVFEATURE_SWAP_DISABLE 0x00000000U /*!< TX/RX pins swap disable */
  455. #define UART_ADVFEATURE_SWAP_ENABLE USART_CR2_SWAP /*!< TX/RX pins swap enable */
  456. /**
  457. * @}
  458. */
  459. /** @defgroup UART_Overrun_Disable UART Advanced Feature Overrun Disable
  460. * @{
  461. */
  462. #define UART_ADVFEATURE_OVERRUN_ENABLE 0x00000000U /*!< RX overrun enable */
  463. #define UART_ADVFEATURE_OVERRUN_DISABLE USART_CR3_OVRDIS /*!< RX overrun disable */
  464. /**
  465. * @}
  466. */
  467. /** @defgroup UART_AutoBaudRate_Enable UART Advanced Feature Auto BaudRate Enable
  468. * @{
  469. */
  470. #define UART_ADVFEATURE_AUTOBAUDRATE_DISABLE 0x00000000U /*!< RX Auto Baud rate detection enable */
  471. #define UART_ADVFEATURE_AUTOBAUDRATE_ENABLE USART_CR2_ABREN /*!< RX Auto Baud rate detection disable */
  472. /**
  473. * @}
  474. */
  475. /** @defgroup UART_DMA_Disable_on_Rx_Error UART Advanced Feature DMA Disable On Rx Error
  476. * @{
  477. */
  478. #define UART_ADVFEATURE_DMA_ENABLEONRXERROR 0x00000000U /*!< DMA enable on Reception Error */
  479. #define UART_ADVFEATURE_DMA_DISABLEONRXERROR USART_CR3_DDRE /*!< DMA disable on Reception Error */
  480. /**
  481. * @}
  482. */
  483. /** @defgroup UART_MSB_First UART Advanced Feature MSB First
  484. * @{
  485. */
  486. #define UART_ADVFEATURE_MSBFIRST_DISABLE 0x00000000U /*!< Most significant bit sent/received first disable */
  487. #define UART_ADVFEATURE_MSBFIRST_ENABLE USART_CR2_MSBFIRST /*!< Most significant bit sent/received first enable */
  488. /**
  489. * @}
  490. */
  491. /** @defgroup UART_Stop_Mode_Enable UART Advanced Feature Stop Mode Enable
  492. * @{
  493. */
  494. #define UART_ADVFEATURE_STOPMODE_DISABLE 0x00000000U /*!< UART stop mode disable */
  495. #define UART_ADVFEATURE_STOPMODE_ENABLE USART_CR1_UESM /*!< UART stop mode enable */
  496. /**
  497. * @}
  498. */
  499. /** @defgroup UART_Mute_Mode UART Advanced Feature Mute Mode Enable
  500. * @{
  501. */
  502. #define UART_ADVFEATURE_MUTEMODE_DISABLE 0x00000000U /*!< UART mute mode disable */
  503. #define UART_ADVFEATURE_MUTEMODE_ENABLE USART_CR1_MME /*!< UART mute mode enable */
  504. /**
  505. * @}
  506. */
  507. /** @defgroup UART_CR2_ADDRESS_LSB_POS UART Address-matching LSB Position In CR2 Register
  508. * @{
  509. */
  510. #define UART_CR2_ADDRESS_LSB_POS 24U /*!< UART address-matching LSB position in CR2 register */
  511. /**
  512. * @}
  513. */
  514. /** @defgroup UART_WakeUp_from_Stop_Selection UART WakeUp From Stop Selection
  515. * @{
  516. */
  517. #define UART_WAKEUP_ON_ADDRESS 0x00000000U /*!< UART wake-up on address */
  518. #define UART_WAKEUP_ON_STARTBIT USART_CR3_WUS_1 /*!< UART wake-up on start bit */
  519. #define UART_WAKEUP_ON_READDATA_NONEMPTY USART_CR3_WUS /*!< UART wake-up on receive data register not empty or RXFIFO is not empty */
  520. /**
  521. * @}
  522. */
  523. /** @defgroup UART_DriverEnable_Polarity UART DriverEnable Polarity
  524. * @{
  525. */
  526. #define UART_DE_POLARITY_HIGH 0x00000000U /*!< Driver enable signal is active high */
  527. #define UART_DE_POLARITY_LOW USART_CR3_DEP /*!< Driver enable signal is active low */
  528. /**
  529. * @}
  530. */
  531. /** @defgroup UART_CR1_DEAT_ADDRESS_LSB_POS UART Driver Enable Assertion Time LSB Position In CR1 Register
  532. * @{
  533. */
  534. #define UART_CR1_DEAT_ADDRESS_LSB_POS 21U /*!< UART Driver Enable assertion time LSB position in CR1 register */
  535. /**
  536. * @}
  537. */
  538. /** @defgroup UART_CR1_DEDT_ADDRESS_LSB_POS UART Driver Enable DeAssertion Time LSB Position In CR1 Register
  539. * @{
  540. */
  541. #define UART_CR1_DEDT_ADDRESS_LSB_POS 16U /*!< UART Driver Enable de-assertion time LSB position in CR1 register */
  542. /**
  543. * @}
  544. */
  545. /** @defgroup UART_Interruption_Mask UART Interruptions Flag Mask
  546. * @{
  547. */
  548. #define UART_IT_MASK 0x001FU /*!< UART interruptions flags mask */
  549. /**
  550. * @}
  551. */
  552. /** @defgroup UART_TimeOut_Value UART polling-based communications time-out value
  553. * @{
  554. */
  555. #define HAL_UART_TIMEOUT_VALUE 0x1FFFFFFU /*!< UART polling-based communications time-out value */
  556. /**
  557. * @}
  558. */
  559. /** @defgroup UART_Flags UART Status Flags
  560. * Elements values convention: 0xXXXX
  561. * - 0xXXXX : Flag mask in the ISR register
  562. * @{
  563. */
  564. #define UART_FLAG_TXFT USART_ISR_TXFT /*!< UART TXFIFO threshold flag */
  565. #define UART_FLAG_RXFT USART_ISR_RXFT /*!< UART RXFIFO threshold flag */
  566. #define UART_FLAG_RXFF USART_ISR_RXFF /*!< UART RXFIFO Full flag */
  567. #define UART_FLAG_TXFE USART_ISR_TXFE /*!< UART TXFIFO Empty flag */
  568. #define UART_FLAG_REACK USART_ISR_REACK /*!< UART receive enable acknowledge flag */
  569. #define UART_FLAG_TEACK USART_ISR_TEACK /*!< UART transmit enable acknowledge flag */
  570. #define UART_FLAG_WUF USART_ISR_WUF /*!< UART wake-up from stop mode flag */
  571. #define UART_FLAG_RWU USART_ISR_RWU /*!< UART receiver wake-up from mute mode flag */
  572. #define UART_FLAG_SBKF USART_ISR_SBKF /*!< UART send break flag */
  573. #define UART_FLAG_CMF USART_ISR_CMF /*!< UART character match flag */
  574. #define UART_FLAG_BUSY USART_ISR_BUSY /*!< UART busy flag */
  575. #define UART_FLAG_ABRF USART_ISR_ABRF /*!< UART auto Baud rate flag */
  576. #define UART_FLAG_ABRE USART_ISR_ABRE /*!< UART auto Baud rate error */
  577. #define UART_FLAG_CTS USART_ISR_CTS /*!< UART clear to send flag */
  578. #define UART_FLAG_CTSIF USART_ISR_CTSIF /*!< UART clear to send interrupt flag */
  579. #define UART_FLAG_LBDF USART_ISR_LBDF /*!< UART LIN break detection flag */
  580. #if defined(USART_CR1_FIFOEN)
  581. #define UART_FLAG_TXE USART_ISR_TXE_TXFNF /*!< UART transmit data register empty */
  582. #define UART_FLAG_TXFNF USART_ISR_TXE_TXFNF /*!< UART TXFIFO not full */
  583. #else
  584. #define UART_FLAG_TXE USART_ISR_TXE /*!< UART transmit data register empty */
  585. #endif
  586. #define UART_FLAG_TC USART_ISR_TC /*!< UART transmission complete */
  587. #if defined(USART_CR1_FIFOEN)
  588. #define UART_FLAG_RXNE USART_ISR_RXNE_RXFNE /*!< UART read data register not empty */
  589. #define UART_FLAG_RXFNE USART_ISR_RXNE_RXFNE /*!< UART RXFIFO not empty */
  590. #else
  591. #define UART_FLAG_RXNE USART_ISR_RXNE /*!< UART read data register not empty */
  592. #endif
  593. #define UART_FLAG_IDLE USART_ISR_IDLE /*!< UART idle flag */
  594. #define UART_FLAG_ORE USART_ISR_ORE /*!< UART overrun error */
  595. #define UART_FLAG_NE USART_ISR_NE /*!< UART noise error */
  596. #define UART_FLAG_FE USART_ISR_FE /*!< UART frame error */
  597. #define UART_FLAG_PE USART_ISR_PE /*!< UART parity error */
  598. /**
  599. * @}
  600. */
  601. /** @defgroup UART_Interrupt_definition UART Interrupts Definition
  602. * Elements values convention: 000ZZZZZ0XXYYYYYb
  603. * - YYYYY : Interrupt source position in the XX register (5bits)
  604. * - XX : Interrupt source register (2bits)
  605. * - 01: CR1 register
  606. * - 10: CR2 register
  607. * - 11: CR3 register
  608. * - ZZZZZ : Flag position in the ISR register(5bits)
  609. * @{
  610. */
  611. #define UART_IT_PE 0x0028U /*!< UART parity error interruption */
  612. #define UART_IT_TXE 0x0727U /*!< UART transmit data register empty interruption */
  613. #if defined(USART_CR1_FIFOEN)
  614. #define UART_IT_TXFNF 0x0727U /*!< UART TX FIFO not full interruption */
  615. #endif
  616. #define UART_IT_TC 0x0626U /*!< UART transmission complete interruption */
  617. #define UART_IT_RXNE 0x0525U /*!< UART read data register not empty interruption */
  618. #if defined(USART_CR1_FIFOEN)
  619. #define UART_IT_RXFNE 0x0525U /*!< UART RXFIFO not empty interruption */
  620. #endif
  621. #define UART_IT_IDLE 0x0424U /*!< UART idle interruption */
  622. #define UART_IT_LBD 0x0846U /*!< UART LIN break detection interruption */
  623. #define UART_IT_CTS 0x096AU /*!< UART CTS interruption */
  624. #define UART_IT_CM 0x112EU /*!< UART character match interruption */
  625. #define UART_IT_WUF 0x1476U /*!< UART wake-up from stop mode interruption */
  626. #if defined(USART_CR1_FIFOEN)
  627. #define UART_IT_RXFF 0x183FU /*!< UART RXFIFO full interruption */
  628. #define UART_IT_TXFE 0x173EU /*!< UART TXFIFO empty interruption */
  629. #define UART_IT_RXFT 0x1A7CU /*!< UART RXFIFO threshold reached interruption */
  630. #define UART_IT_TXFT 0x1B77U /*!< UART TXFIFO threshold reached interruption */
  631. #endif
  632. /* Elements values convention: 000000000XXYYYYYb
  633. - YYYYY : Interrupt source position in the XX register (5bits)
  634. - XX : Interrupt source register (2bits)
  635. - 01: CR1 register
  636. - 10: CR2 register
  637. - 11: CR3 register */
  638. #define UART_IT_ERR 0x0060U /*!< UART error interruption */
  639. /* Elements values convention: 0000ZZZZ00000000b
  640. - ZZZZ : Flag position in the ISR register(4bits) */
  641. #define UART_IT_ORE 0x0300U /*!< UART overrun error interruption */
  642. #define UART_IT_NE 0x0200U /*!< UART noise error interruption */
  643. #define UART_IT_FE 0x0100U /*!< UART frame error interruption */
  644. /**
  645. * @}
  646. */
  647. /** @defgroup UART_IT_CLEAR_Flags UART Interruption Clear Flags
  648. * @{
  649. */
  650. #define UART_CLEAR_PEF USART_ICR_PECF /*!< Parity Error Clear Flag */
  651. #define UART_CLEAR_FEF USART_ICR_FECF /*!< Framing Error Clear Flag */
  652. #define UART_CLEAR_NEF USART_ICR_NCF /*!< Noise detected Clear Flag */
  653. #define UART_CLEAR_OREF USART_ICR_ORECF /*!< Overrun Error Clear Flag */
  654. #define UART_CLEAR_IDLEF USART_ICR_IDLECF /*!< IDLE line detected Clear Flag */
  655. #if defined(USART_CR1_FIFOEN)
  656. #define UART_CLEAR_TXFECF USART_ICR_TXFECF /*!< TXFIFO empty clear flag */
  657. #endif
  658. #define UART_CLEAR_TCF USART_ICR_TCCF /*!< Transmission Complete Clear Flag */
  659. #define UART_CLEAR_LBDF USART_ICR_LBDCF /*!< LIN Break Detection Clear Flag */
  660. #define UART_CLEAR_CTSF USART_ICR_CTSCF /*!< CTS Interrupt Clear Flag */
  661. #define UART_CLEAR_CMF USART_ICR_CMCF /*!< Character Match Clear Flag */
  662. #define UART_CLEAR_WUF USART_ICR_WUCF /*!< Wake Up from stop mode Clear Flag */
  663. /**
  664. * @}
  665. */
  666. /**
  667. * @}
  668. */
  669. /* Exported macros -----------------------------------------------------------*/
  670. /** @defgroup UART_Exported_Macros UART Exported Macros
  671. * @{
  672. */
  673. /** @brief Reset UART handle states.
  674. * @param __HANDLE__ UART handle.
  675. * @retval None
  676. */
  677. #define __HAL_UART_RESET_HANDLE_STATE(__HANDLE__) do{ \
  678. (__HANDLE__)->gState = HAL_UART_STATE_RESET; \
  679. (__HANDLE__)->RxState = HAL_UART_STATE_RESET; \
  680. } while(0)
  681. /** @brief Flush the UART Data registers.
  682. * @param __HANDLE__ specifies the UART Handle.
  683. * @retval None
  684. */
  685. #define __HAL_UART_FLUSH_DRREGISTER(__HANDLE__) \
  686. do{ \
  687. SET_BIT((__HANDLE__)->Instance->RQR, UART_RXDATA_FLUSH_REQUEST); \
  688. SET_BIT((__HANDLE__)->Instance->RQR, UART_TXDATA_FLUSH_REQUEST); \
  689. } while(0)
  690. /** @brief Clear the specified UART pending flag.
  691. * @param __HANDLE__ specifies the UART Handle.
  692. * @param __FLAG__ specifies the flag to check.
  693. * This parameter can be any combination of the following values:
  694. * @arg @ref UART_CLEAR_PEF Parity Error Clear Flag
  695. * @arg @ref UART_CLEAR_FEF Framing Error Clear Flag
  696. * @arg @ref UART_CLEAR_NEF Noise detected Clear Flag
  697. * @arg @ref UART_CLEAR_OREF Overrun Error Clear Flag
  698. * @arg @ref UART_CLEAR_IDLEF IDLE line detected Clear Flag
  699. * @arg @ref UART_CLEAR_TXFECF TXFIFO empty clear Flag
  700. * @arg @ref UART_CLEAR_TCF Transmission Complete Clear Flag
  701. * @arg @ref UART_CLEAR_LBDF LIN Break Detection Clear Flag
  702. * @arg @ref UART_CLEAR_CTSF CTS Interrupt Clear Flag
  703. * @arg @ref UART_CLEAR_CMF Character Match Clear Flag
  704. * @arg @ref UART_CLEAR_WUF Wake Up from stop mode Clear Flag
  705. * @retval None
  706. */
  707. #define __HAL_UART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->ICR = (__FLAG__))
  708. /** @brief Clear the UART PE pending flag.
  709. * @param __HANDLE__ specifies the UART Handle.
  710. * @retval None
  711. */
  712. #define __HAL_UART_CLEAR_PEFLAG(__HANDLE__) __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_PEF)
  713. /** @brief Clear the UART FE pending flag.
  714. * @param __HANDLE__ specifies the UART Handle.
  715. * @retval None
  716. */
  717. #define __HAL_UART_CLEAR_FEFLAG(__HANDLE__) __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_FEF)
  718. /** @brief Clear the UART NE pending flag.
  719. * @param __HANDLE__ specifies the UART Handle.
  720. * @retval None
  721. */
  722. #define __HAL_UART_CLEAR_NEFLAG(__HANDLE__) __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_NEF)
  723. /** @brief Clear the UART ORE pending flag.
  724. * @param __HANDLE__ specifies the UART Handle.
  725. * @retval None
  726. */
  727. #define __HAL_UART_CLEAR_OREFLAG(__HANDLE__) __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_OREF)
  728. /** @brief Clear the UART IDLE pending flag.
  729. * @param __HANDLE__ specifies the UART Handle.
  730. * @retval None
  731. */
  732. #define __HAL_UART_CLEAR_IDLEFLAG(__HANDLE__) __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_IDLEF)
  733. #if defined(USART_CR1_FIFOEN)
  734. /** @brief Clear the UART TX FIFO empty clear flag.
  735. * @param __HANDLE__ specifies the UART Handle.
  736. * @retval None
  737. */
  738. #define __HAL_UART_CLEAR_TXFECF(__HANDLE__) __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_TXFECF)
  739. #endif
  740. /** @brief Check whether the specified UART flag is set or not.
  741. * @param __HANDLE__ specifies the UART Handle.
  742. * @param __FLAG__ specifies the flag to check.
  743. * This parameter can be one of the following values:
  744. * @arg @ref UART_FLAG_TXFT TXFIFO threshold flag
  745. * @arg @ref UART_FLAG_RXFT RXFIFO threshold flag
  746. * @arg @ref UART_FLAG_RXFF RXFIFO Full flag
  747. * @arg @ref UART_FLAG_TXFE TXFIFO Empty flag
  748. * @arg @ref UART_FLAG_REACK Receive enable acknowledge flag
  749. * @arg @ref UART_FLAG_TEACK Transmit enable acknowledge flag
  750. * @arg @ref UART_FLAG_WUF Wake up from stop mode flag
  751. * @arg @ref UART_FLAG_RWU Receiver wake up flag (if the UART in mute mode)
  752. * @arg @ref UART_FLAG_SBKF Send Break flag
  753. * @arg @ref UART_FLAG_CMF Character match flag
  754. * @arg @ref UART_FLAG_BUSY Busy flag
  755. * @arg @ref UART_FLAG_ABRF Auto Baud rate detection flag
  756. * @arg @ref UART_FLAG_ABRE Auto Baud rate detection error flag
  757. * @arg @ref UART_FLAG_CTS CTS Change flag
  758. * @arg @ref UART_FLAG_LBDF LIN Break detection flag
  759. * @arg @ref UART_FLAG_TXE Transmit data register empty flag
  760. * @arg @ref UART_FLAG_TXFNF UART TXFIFO not full flag
  761. * @arg @ref UART_FLAG_TC Transmission Complete flag
  762. * @arg @ref UART_FLAG_RXNE Receive data register not empty flag
  763. * @arg @ref UART_FLAG_RXFNE UART RXFIFO not empty flag
  764. * @arg @ref UART_FLAG_IDLE Idle Line detection flag
  765. * @arg @ref UART_FLAG_ORE Overrun Error flag
  766. * @arg @ref UART_FLAG_NE Noise Error flag
  767. * @arg @ref UART_FLAG_FE Framing Error flag
  768. * @arg @ref UART_FLAG_PE Parity Error flag
  769. * @retval The new state of __FLAG__ (TRUE or FALSE).
  770. */
  771. #define __HAL_UART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->ISR & (__FLAG__)) == (__FLAG__))
  772. /** @brief Enable the specified UART interrupt.
  773. * @param __HANDLE__ specifies the UART Handle.
  774. * @param __INTERRUPT__ specifies the UART interrupt source to enable.
  775. * This parameter can be one of the following values:
  776. * @arg @ref UART_IT_RXFF RXFIFO Full interrupt
  777. * @arg @ref UART_IT_TXFE TXFIFO Empty interrupt
  778. * @arg @ref UART_IT_RXFT RXFIFO threshold interrupt
  779. * @arg @ref UART_IT_TXFT TXFIFO threshold interrupt
  780. * @arg @ref UART_IT_WUF Wakeup from stop mode interrupt
  781. * @arg @ref UART_IT_CM Character match interrupt
  782. * @arg @ref UART_IT_CTS CTS change interrupt
  783. * @arg @ref UART_IT_LBD LIN Break detection interrupt
  784. * @arg @ref UART_IT_TXE Transmit Data Register empty interrupt
  785. * @arg @ref UART_IT_TXFNF TX FIFO not full interrupt
  786. * @arg @ref UART_IT_TC Transmission complete interrupt
  787. * @arg @ref UART_IT_RXNE Receive Data register not empty interrupt
  788. * @arg @ref UART_IT_RXFNE RXFIFO not empty interrupt
  789. * @arg @ref UART_IT_IDLE Idle line detection interrupt
  790. * @arg @ref UART_IT_PE Parity Error interrupt
  791. * @arg @ref UART_IT_ERR Error interrupt (Frame error, noise error, overrun error)
  792. * @retval None
  793. */
  794. #define __HAL_UART_ENABLE_IT(__HANDLE__, __INTERRUPT__) (((((uint8_t)(__INTERRUPT__)) >> 5U) == 1U)? ((__HANDLE__)->Instance->CR1 |= (1U << ((__INTERRUPT__) & UART_IT_MASK))): \
  795. ((((uint8_t)(__INTERRUPT__)) >> 5U) == 2U)? ((__HANDLE__)->Instance->CR2 |= (1U << ((__INTERRUPT__) & UART_IT_MASK))): \
  796. ((__HANDLE__)->Instance->CR3 |= (1U << ((__INTERRUPT__) & UART_IT_MASK))))
  797. /** @brief Disable the specified UART interrupt.
  798. * @param __HANDLE__ specifies the UART Handle.
  799. * @param __INTERRUPT__ specifies the UART interrupt source to disable.
  800. * This parameter can be one of the following values:
  801. * @arg @ref UART_IT_RXFF RXFIFO Full interrupt
  802. * @arg @ref UART_IT_TXFE TXFIFO Empty interrupt
  803. * @arg @ref UART_IT_RXFT RXFIFO threshold interrupt
  804. * @arg @ref UART_IT_TXFT TXFIFO threshold interrupt
  805. * @arg @ref UART_IT_WUF Wakeup from stop mode interrupt
  806. * @arg @ref UART_IT_CM Character match interrupt
  807. * @arg @ref UART_IT_CTS CTS change interrupt
  808. * @arg @ref UART_IT_LBD LIN Break detection interrupt
  809. * @arg @ref UART_IT_TXE Transmit Data Register empty interrupt
  810. * @arg @ref UART_IT_TXFNF TX FIFO not full interrupt
  811. * @arg @ref UART_IT_TC Transmission complete interrupt
  812. * @arg @ref UART_IT_RXNE Receive Data register not empty interrupt
  813. * @arg @ref UART_IT_RXFNE RXFIFO not empty interrupt
  814. * @arg @ref UART_IT_IDLE Idle line detection interrupt
  815. * @arg @ref UART_IT_PE Parity Error interrupt
  816. * @arg @ref UART_IT_ERR Error interrupt (Frame error, noise error, overrun error)
  817. * @retval None
  818. */
  819. #define __HAL_UART_DISABLE_IT(__HANDLE__, __INTERRUPT__) (((((uint8_t)(__INTERRUPT__)) >> 5U) == 1U)? ((__HANDLE__)->Instance->CR1 &= ~ (1U << ((__INTERRUPT__) & UART_IT_MASK))): \
  820. ((((uint8_t)(__INTERRUPT__)) >> 5U) == 2U)? ((__HANDLE__)->Instance->CR2 &= ~ (1U << ((__INTERRUPT__) & UART_IT_MASK))): \
  821. ((__HANDLE__)->Instance->CR3 &= ~ (1U << ((__INTERRUPT__) & UART_IT_MASK))))
  822. /** @brief Check whether the specified UART interrupt has occurred or not.
  823. * @param __HANDLE__ specifies the UART Handle.
  824. * @param __INTERRUPT__ specifies the UART interrupt to check.
  825. * This parameter can be one of the following values:
  826. * @arg @ref UART_IT_RXFF RXFIFO Full interrupt
  827. * @arg @ref UART_IT_TXFE TXFIFO Empty interrupt
  828. * @arg @ref UART_IT_RXFT RXFIFO threshold interrupt
  829. * @arg @ref UART_IT_TXFT TXFIFO threshold interrupt
  830. * @arg @ref UART_IT_WUF Wakeup from stop mode interrupt
  831. * @arg @ref UART_IT_CM Character match interrupt
  832. * @arg @ref UART_IT_CTS CTS change interrupt
  833. * @arg @ref UART_IT_LBD LIN Break detection interrupt
  834. * @arg @ref UART_IT_TXE Transmit Data Register empty interrupt
  835. * @arg @ref UART_IT_TXFNF TX FIFO not full interrupt
  836. * @arg @ref UART_IT_TC Transmission complete interrupt
  837. * @arg @ref UART_IT_RXNE Receive Data register not empty interrupt
  838. * @arg @ref UART_IT_RXFNE RXFIFO not empty interrupt
  839. * @arg @ref UART_IT_IDLE Idle line detection interrupt
  840. * @arg @ref UART_IT_PE Parity Error interrupt
  841. * @arg @ref UART_IT_ERR Error interrupt (Frame error, noise error, overrun error)
  842. * @retval The new state of __INTERRUPT__ (SET or RESET).
  843. */
  844. #define __HAL_UART_GET_IT(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->ISR & (1U << ((__INTERRUPT__)>> 8U))) != RESET) ? SET : RESET)
  845. /** @brief Check whether the specified UART interrupt source is enabled or not.
  846. * @param __HANDLE__ specifies the UART Handle.
  847. * @param __INTERRUPT__ specifies the UART interrupt source to check.
  848. * This parameter can be one of the following values:
  849. * @arg @ref UART_IT_RXFF RXFIFO Full interrupt
  850. * @arg @ref UART_IT_TXFE TXFIFO Empty interrupt
  851. * @arg @ref UART_IT_RXFT RXFIFO threshold interrupt
  852. * @arg @ref UART_IT_TXFT TXFIFO threshold interrupt
  853. * @arg @ref UART_IT_WUF Wakeup from stop mode interrupt
  854. * @arg @ref UART_IT_CM Character match interrupt
  855. * @arg @ref UART_IT_CTS CTS change interrupt
  856. * @arg @ref UART_IT_LBD LIN Break detection interrupt
  857. * @arg @ref UART_IT_TXE Transmit Data Register empty interrupt
  858. * @arg @ref UART_IT_TXFNF TX FIFO not full interrupt
  859. * @arg @ref UART_IT_TC Transmission complete interrupt
  860. * @arg @ref UART_IT_RXNE Receive Data register not empty interrupt
  861. * @arg @ref UART_IT_RXFNE RXFIFO not empty interrupt
  862. * @arg @ref UART_IT_IDLE Idle line detection interrupt
  863. * @arg @ref UART_IT_PE Parity Error interrupt
  864. * @arg @ref UART_IT_ERR Error interrupt (Frame error, noise error, overrun error)
  865. * @retval The new state of __INTERRUPT__ (SET or RESET).
  866. */
  867. #define __HAL_UART_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((((((uint8_t)(__INTERRUPT__)) >> 5U) == 1U) ? (__HANDLE__)->Instance->CR1 : \
  868. (((((uint8_t)(__INTERRUPT__)) >> 5U) == 2U) ? (__HANDLE__)->Instance->CR2 : \
  869. (__HANDLE__)->Instance->CR3)) & (1U << (((uint16_t)(__INTERRUPT__)) & UART_IT_MASK))) != RESET) ? SET : RESET)
  870. /** @brief Clear the specified UART ISR flag, in setting the proper ICR register flag.
  871. * @param __HANDLE__ specifies the UART Handle.
  872. * @param __IT_CLEAR__ specifies the interrupt clear register flag that needs to be set
  873. * to clear the corresponding interrupt
  874. * This parameter can be one of the following values:
  875. * @arg @ref UART_CLEAR_PEF Parity Error Clear Flag
  876. * @arg @ref UART_CLEAR_FEF Framing Error Clear Flag
  877. * @arg @ref UART_CLEAR_NEF Noise detected Clear Flag
  878. * @arg @ref UART_CLEAR_OREF Overrun Error Clear Flag
  879. * @arg @ref UART_CLEAR_IDLEF IDLE line detected Clear Flag
  880. * @arg @ref UART_CLEAR_TXFECF TXFIFO empty Clear Flag
  881. * @arg @ref UART_CLEAR_TCF Transmission Complete Clear Flag
  882. * @arg @ref UART_CLEAR_LBDF LIN Break Detection Clear Flag
  883. * @arg @ref UART_CLEAR_CTSF CTS Interrupt Clear Flag
  884. * @arg @ref UART_CLEAR_CMF Character Match Clear Flag
  885. * @arg @ref UART_CLEAR_WUF Wake Up from stop mode Clear Flag
  886. * @retval None
  887. */
  888. #define __HAL_UART_CLEAR_IT(__HANDLE__, __IT_CLEAR__) ((__HANDLE__)->Instance->ICR = (uint32_t)(__IT_CLEAR__))
  889. /** @brief Set a specific UART request flag.
  890. * @param __HANDLE__ specifies the UART Handle.
  891. * @param __REQ__ specifies the request flag to set
  892. * This parameter can be one of the following values:
  893. * @arg @ref UART_AUTOBAUD_REQUEST Auto-Baud Rate Request
  894. * @arg @ref UART_SENDBREAK_REQUEST Send Break Request
  895. * @arg @ref UART_MUTE_MODE_REQUEST Mute Mode Request
  896. * @arg @ref UART_RXDATA_FLUSH_REQUEST Receive Data flush Request
  897. * @arg @ref UART_TXDATA_FLUSH_REQUEST Transmit data flush Request
  898. * @retval None
  899. */
  900. #define __HAL_UART_SEND_REQ(__HANDLE__, __REQ__) ((__HANDLE__)->Instance->RQR |= (__REQ__))
  901. /** @brief Enable the UART one bit sample method.
  902. * @param __HANDLE__ specifies the UART Handle.
  903. * @retval None
  904. */
  905. #define __HAL_UART_ONE_BIT_SAMPLE_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3|= USART_CR3_ONEBIT)
  906. /** @brief Disable the UART one bit sample method.
  907. * @param __HANDLE__ specifies the UART Handle.
  908. * @retval None
  909. */
  910. #define __HAL_UART_ONE_BIT_SAMPLE_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 &= ~USART_CR3_ONEBIT)
  911. /** @brief Enable UART.
  912. * @param __HANDLE__ specifies the UART Handle.
  913. * @retval None
  914. */
  915. #define __HAL_UART_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 |= USART_CR1_UE)
  916. /** @brief Disable UART.
  917. * @param __HANDLE__ specifies the UART Handle.
  918. * @retval None
  919. */
  920. #define __HAL_UART_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 &= ~USART_CR1_UE)
  921. /** @brief Enable CTS flow control.
  922. * @note This macro allows to enable CTS hardware flow control for a given UART instance,
  923. * without need to call HAL_UART_Init() function.
  924. * As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
  925. * @note As macro is expected to be used for modifying CTS Hw flow control feature activation, without need
  926. * for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
  927. * - UART instance should have already been initialised (through call of HAL_UART_Init() )
  928. * - macro could only be called when corresponding UART instance is disabled (i.e. __HAL_UART_DISABLE(__HANDLE__))
  929. * and should be followed by an Enable macro (i.e. __HAL_UART_ENABLE(__HANDLE__)).
  930. * @param __HANDLE__ specifies the UART Handle.
  931. * @retval None
  932. */
  933. #define __HAL_UART_HWCONTROL_CTS_ENABLE(__HANDLE__) \
  934. do{ \
  935. SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE); \
  936. (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_CTSE; \
  937. } while(0)
  938. /** @brief Disable CTS flow control.
  939. * @note This macro allows to disable CTS hardware flow control for a given UART instance,
  940. * without need to call HAL_UART_Init() function.
  941. * As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
  942. * @note As macro is expected to be used for modifying CTS Hw flow control feature activation, without need
  943. * for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
  944. * - UART instance should have already been initialised (through call of HAL_UART_Init() )
  945. * - macro could only be called when corresponding UART instance is disabled (i.e. __HAL_UART_DISABLE(__HANDLE__))
  946. * and should be followed by an Enable macro (i.e. __HAL_UART_ENABLE(__HANDLE__)).
  947. * @param __HANDLE__ specifies the UART Handle.
  948. * @retval None
  949. */
  950. #define __HAL_UART_HWCONTROL_CTS_DISABLE(__HANDLE__) \
  951. do{ \
  952. CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE); \
  953. (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_CTSE); \
  954. } while(0)
  955. /** @brief Enable RTS flow control.
  956. * @note This macro allows to enable RTS hardware flow control for a given UART instance,
  957. * without need to call HAL_UART_Init() function.
  958. * As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
  959. * @note As macro is expected to be used for modifying RTS Hw flow control feature activation, without need
  960. * for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
  961. * - UART instance should have already been initialised (through call of HAL_UART_Init() )
  962. * - macro could only be called when corresponding UART instance is disabled (i.e. __HAL_UART_DISABLE(__HANDLE__))
  963. * and should be followed by an Enable macro (i.e. __HAL_UART_ENABLE(__HANDLE__)).
  964. * @param __HANDLE__ specifies the UART Handle.
  965. * @retval None
  966. */
  967. #define __HAL_UART_HWCONTROL_RTS_ENABLE(__HANDLE__) \
  968. do{ \
  969. SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE); \
  970. (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_RTSE; \
  971. } while(0)
  972. /** @brief Disable RTS flow control.
  973. * @note This macro allows to disable RTS hardware flow control for a given UART instance,
  974. * without need to call HAL_UART_Init() function.
  975. * As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
  976. * @note As macro is expected to be used for modifying RTS Hw flow control feature activation, without need
  977. * for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
  978. * - UART instance should have already been initialised (through call of HAL_UART_Init() )
  979. * - macro could only be called when corresponding UART instance is disabled (i.e. __HAL_UART_DISABLE(__HANDLE__))
  980. * and should be followed by an Enable macro (i.e. __HAL_UART_ENABLE(__HANDLE__)).
  981. * @param __HANDLE__ specifies the UART Handle.
  982. * @retval None
  983. */
  984. #define __HAL_UART_HWCONTROL_RTS_DISABLE(__HANDLE__) \
  985. do{ \
  986. CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE);\
  987. (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_RTSE); \
  988. } while(0)
  989. /**
  990. * @}
  991. */
  992. /* Private variables -----------------------------------------------------*/
  993. #if defined(USART_PRESC_PRESCALER)
  994. /** @defgroup UART_Private_Variables UART Private Variables
  995. * @{
  996. */
  997. static const uint16_t UARTPrescTable[12] = {1, 2, 4, 6, 8, 10, 12, 16, 32, 64, 128, 256};
  998. /**
  999. * @}
  1000. */
  1001. #endif
  1002. /* Private macros --------------------------------------------------------*/
  1003. /** @defgroup UART_Private_Macros UART Private Macros
  1004. * @{
  1005. */
  1006. #if defined(USART_PRESC_PRESCALER)
  1007. /** @brief BRR division operation to set BRR register with LPUART.
  1008. * @param __PCLK__ LPUART clock.
  1009. * @param __BAUD__ Baud rate set by the user.
  1010. * @param __CLOCKPRESCALER__ UART prescaler value.
  1011. * @retval Division result
  1012. */
  1013. #define UART_DIV_LPUART(__PCLK__, __BAUD__, __CLOCKPRESCALER__) ((((((uint64_t)(__PCLK__)/UARTPrescTable[(__CLOCKPRESCALER__)])*256)) + ((__BAUD__)/2)) / (__BAUD__))
  1014. /** @brief BRR division operation to set BRR register in 8-bit oversampling mode.
  1015. * @param __PCLK__ UART clock.
  1016. * @param __BAUD__ Baud rate set by the user.
  1017. * @param __CLOCKPRESCALER__ UART prescaler value.
  1018. * @retval Division result
  1019. */
  1020. #define UART_DIV_SAMPLING8(__PCLK__, __BAUD__, __CLOCKPRESCALER__) (((((__PCLK__)/UARTPrescTable[(__CLOCKPRESCALER__)])*2) + ((__BAUD__)/2)) / (__BAUD__))
  1021. /** @brief BRR division operation to set BRR register in 16-bit oversampling mode.
  1022. * @param __PCLK__ UART clock.
  1023. * @param __BAUD__ Baud rate set by the user.
  1024. * @param __CLOCKPRESCALER__ UART prescaler value.
  1025. * @retval Division result
  1026. */
  1027. #define UART_DIV_SAMPLING16(__PCLK__, __BAUD__, __CLOCKPRESCALER__) ((((__PCLK__)/UARTPrescTable[(__CLOCKPRESCALER__)]) + ((__BAUD__)/2)) / (__BAUD__))
  1028. #else
  1029. /** @brief BRR division operation to set BRR register with LPUART.
  1030. * @param __PCLK__ LPUART clock.
  1031. * @param __BAUD__ Baud rate set by the user.
  1032. * @retval Division result
  1033. */
  1034. #define UART_DIV_LPUART(__PCLK__, __BAUD__) (((((uint64_t)(__PCLK__)*256)) + ((__BAUD__)/2)) / (__BAUD__))
  1035. /** @brief BRR division operation to set BRR register in 8-bit oversampling mode.
  1036. * @param __PCLK__ UART clock.
  1037. * @param __BAUD__ Baud rate set by the user.
  1038. * @retval Division result
  1039. */
  1040. #define UART_DIV_SAMPLING8(__PCLK__, __BAUD__) ((((__PCLK__)*2) + ((__BAUD__)/2)) / (__BAUD__))
  1041. /** @brief BRR division operation to set BRR register in 16-bit oversampling mode.
  1042. * @param __PCLK__ UART clock.
  1043. * @param __BAUD__ Baud rate set by the user.
  1044. * @retval Division result
  1045. */
  1046. #define UART_DIV_SAMPLING16(__PCLK__, __BAUD__) (((__PCLK__) + ((__BAUD__)/2)) / (__BAUD__))
  1047. #endif /* USART_PRESC_PRESCALER */
  1048. /** @brief Check whether or not UART instance is Low Power UART.
  1049. * @param __HANDLE__ specifies the UART Handle.
  1050. * @retval SET (instance is LPUART) or RESET (instance isn't LPUART)
  1051. */
  1052. #define UART_INSTANCE_LOWPOWER(__HANDLE__) (IS_LPUART_INSTANCE(__HANDLE__->Instance))
  1053. /** @brief Check UART Baud rate.
  1054. * @param __BAUDRATE__ Baudrate specified by the user.
  1055. * The maximum Baud Rate is derived from the maximum clock on G0 (i.e. 52 MHz)
  1056. * divided by the smallest oversampling used on the USART (i.e. 8)
  1057. * @retval SET (__BAUDRATE__ is valid) or RESET (__BAUDRATE__ is invalid)
  1058. */
  1059. #define IS_UART_BAUDRATE(__BAUDRATE__) ((__BAUDRATE__) < 6500001U)
  1060. /** @brief Check UART assertion time.
  1061. * @param __TIME__ 5-bit value assertion time.
  1062. * @retval Test result (TRUE or FALSE).
  1063. */
  1064. #define IS_UART_ASSERTIONTIME(__TIME__) ((__TIME__) <= 0x1FU)
  1065. /** @brief Check UART deassertion time.
  1066. * @param __TIME__ 5-bit value deassertion time.
  1067. * @retval Test result (TRUE or FALSE).
  1068. */
  1069. #define IS_UART_DEASSERTIONTIME(__TIME__) ((__TIME__) <= 0x1FU)
  1070. /**
  1071. * @brief Ensure that UART frame number of stop bits is valid.
  1072. * @param __STOPBITS__ UART frame number of stop bits.
  1073. * @retval SET (__STOPBITS__ is valid) or RESET (__STOPBITS__ is invalid)
  1074. */
  1075. #define IS_UART_STOPBITS(__STOPBITS__) (((__STOPBITS__) == UART_STOPBITS_0_5) || \
  1076. ((__STOPBITS__) == UART_STOPBITS_1) || \
  1077. ((__STOPBITS__) == UART_STOPBITS_1_5) || \
  1078. ((__STOPBITS__) == UART_STOPBITS_2))
  1079. /**
  1080. * @brief Ensure that LPUART frame number of stop bits is valid.
  1081. * @param __STOPBITS__ LPUART frame number of stop bits.
  1082. * @retval SET (__STOPBITS__ is valid) or RESET (__STOPBITS__ is invalid)
  1083. */
  1084. #define IS_LPUART_STOPBITS(__STOPBITS__) (((__STOPBITS__) == UART_STOPBITS_1) || \
  1085. ((__STOPBITS__) == UART_STOPBITS_2))
  1086. /**
  1087. * @brief Ensure that UART frame parity is valid.
  1088. * @param __PARITY__ UART frame parity.
  1089. * @retval SET (__PARITY__ is valid) or RESET (__PARITY__ is invalid)
  1090. */
  1091. #define IS_UART_PARITY(__PARITY__) (((__PARITY__) == UART_PARITY_NONE) || \
  1092. ((__PARITY__) == UART_PARITY_EVEN) || \
  1093. ((__PARITY__) == UART_PARITY_ODD))
  1094. /**
  1095. * @brief Ensure that UART hardware flow control is valid.
  1096. * @param __CONTROL__ UART hardware flow control.
  1097. * @retval SET (__CONTROL__ is valid) or RESET (__CONTROL__ is invalid)
  1098. */
  1099. #define IS_UART_HARDWARE_FLOW_CONTROL(__CONTROL__)\
  1100. (((__CONTROL__) == UART_HWCONTROL_NONE) || \
  1101. ((__CONTROL__) == UART_HWCONTROL_RTS) || \
  1102. ((__CONTROL__) == UART_HWCONTROL_CTS) || \
  1103. ((__CONTROL__) == UART_HWCONTROL_RTS_CTS))
  1104. /**
  1105. * @brief Ensure that UART communication mode is valid.
  1106. * @param __MODE__ UART communication mode.
  1107. * @retval SET (__MODE__ is valid) or RESET (__MODE__ is invalid)
  1108. */
  1109. #define IS_UART_MODE(__MODE__) ((((__MODE__) & (~((uint32_t)(UART_MODE_TX_RX)))) == 0x00U) && ((__MODE__) != 0x00U))
  1110. /**
  1111. * @brief Ensure that UART state is valid.
  1112. * @param __STATE__ UART state.
  1113. * @retval SET (__STATE__ is valid) or RESET (__STATE__ is invalid)
  1114. */
  1115. #define IS_UART_STATE(__STATE__) (((__STATE__) == UART_STATE_DISABLE) || \
  1116. ((__STATE__) == UART_STATE_ENABLE))
  1117. /**
  1118. * @brief Ensure that UART oversampling is valid.
  1119. * @param __SAMPLING__ UART oversampling.
  1120. * @retval SET (__SAMPLING__ is valid) or RESET (__SAMPLING__ is invalid)
  1121. */
  1122. #define IS_UART_OVERSAMPLING(__SAMPLING__) (((__SAMPLING__) == UART_OVERSAMPLING_16) || \
  1123. ((__SAMPLING__) == UART_OVERSAMPLING_8))
  1124. /**
  1125. * @brief Ensure that UART frame sampling is valid.
  1126. * @param __ONEBIT__ UART frame sampling.
  1127. * @retval SET (__ONEBIT__ is valid) or RESET (__ONEBIT__ is invalid)
  1128. */
  1129. #define IS_UART_ONE_BIT_SAMPLE(__ONEBIT__) (((__ONEBIT__) == UART_ONE_BIT_SAMPLE_DISABLE) || \
  1130. ((__ONEBIT__) == UART_ONE_BIT_SAMPLE_ENABLE))
  1131. /**
  1132. * @brief Ensure that UART auto Baud rate detection mode is valid.
  1133. * @param __MODE__ UART auto Baud rate detection mode.
  1134. * @retval SET (__MODE__ is valid) or RESET (__MODE__ is invalid)
  1135. */
  1136. #define IS_UART_ADVFEATURE_AUTOBAUDRATEMODE(__MODE__) (((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ONSTARTBIT) || \
  1137. ((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ONFALLINGEDGE) || \
  1138. ((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ON0X7FFRAME) || \
  1139. ((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ON0X55FRAME))
  1140. /**
  1141. * @brief Ensure that UART receiver timeout setting is valid.
  1142. * @param __TIMEOUT__ UART receiver timeout setting.
  1143. * @retval SET (__TIMEOUT__ is valid) or RESET (__TIMEOUT__ is invalid)
  1144. */
  1145. #define IS_UART_RECEIVER_TIMEOUT(__TIMEOUT__) (((__TIMEOUT__) == UART_RECEIVER_TIMEOUT_DISABLE) || \
  1146. ((__TIMEOUT__) == UART_RECEIVER_TIMEOUT_ENABLE))
  1147. /**
  1148. * @brief Ensure that UART LIN state is valid.
  1149. * @param __LIN__ UART LIN state.
  1150. * @retval SET (__LIN__ is valid) or RESET (__LIN__ is invalid)
  1151. */
  1152. #define IS_UART_LIN(__LIN__) (((__LIN__) == UART_LIN_DISABLE) || \
  1153. ((__LIN__) == UART_LIN_ENABLE))
  1154. /**
  1155. * @brief Ensure that UART LIN break detection length is valid.
  1156. * @param __LENGTH__ UART LIN break detection length.
  1157. * @retval SET (__LENGTH__ is valid) or RESET (__LENGTH__ is invalid)
  1158. */
  1159. #define IS_UART_LIN_BREAK_DETECT_LENGTH(__LENGTH__) (((__LENGTH__) == UART_LINBREAKDETECTLENGTH_10B) || \
  1160. ((__LENGTH__) == UART_LINBREAKDETECTLENGTH_11B))
  1161. /**
  1162. * @brief Ensure that UART DMA TX state is valid.
  1163. * @param __DMATX__ UART DMA TX state.
  1164. * @retval SET (__DMATX__ is valid) or RESET (__DMATX__ is invalid)
  1165. */
  1166. #define IS_UART_DMA_TX(__DMATX__) (((__DMATX__) == UART_DMA_TX_DISABLE) || \
  1167. ((__DMATX__) == UART_DMA_TX_ENABLE))
  1168. /**
  1169. * @brief Ensure that UART DMA RX state is valid.
  1170. * @param __DMARX__ UART DMA RX state.
  1171. * @retval SET (__DMARX__ is valid) or RESET (__DMARX__ is invalid)
  1172. */
  1173. #define IS_UART_DMA_RX(__DMARX__) (((__DMARX__) == UART_DMA_RX_DISABLE) || \
  1174. ((__DMARX__) == UART_DMA_RX_ENABLE))
  1175. /**
  1176. * @brief Ensure that UART half-duplex state is valid.
  1177. * @param __HDSEL__ UART half-duplex state.
  1178. * @retval SET (__HDSEL__ is valid) or RESET (__HDSEL__ is invalid)
  1179. */
  1180. #define IS_UART_HALF_DUPLEX(__HDSEL__) (((__HDSEL__) == UART_HALF_DUPLEX_DISABLE) || \
  1181. ((__HDSEL__) == UART_HALF_DUPLEX_ENABLE))
  1182. /**
  1183. * @brief Ensure that UART wake-up method is valid.
  1184. * @param __WAKEUP__ UART wake-up method .
  1185. * @retval SET (__WAKEUP__ is valid) or RESET (__WAKEUP__ is invalid)
  1186. */
  1187. #define IS_UART_WAKEUPMETHOD(__WAKEUP__) (((__WAKEUP__) == UART_WAKEUPMETHOD_IDLELINE) || \
  1188. ((__WAKEUP__) == UART_WAKEUPMETHOD_ADDRESSMARK))
  1189. /**
  1190. * @brief Ensure that UART request parameter is valid.
  1191. * @param __PARAM__ UART request parameter.
  1192. * @retval SET (__PARAM__ is valid) or RESET (__PARAM__ is invalid)
  1193. */
  1194. #define IS_UART_REQUEST_PARAMETER(__PARAM__) (((__PARAM__) == UART_AUTOBAUD_REQUEST) || \
  1195. ((__PARAM__) == UART_SENDBREAK_REQUEST) || \
  1196. ((__PARAM__) == UART_MUTE_MODE_REQUEST) || \
  1197. ((__PARAM__) == UART_RXDATA_FLUSH_REQUEST) || \
  1198. ((__PARAM__) == UART_TXDATA_FLUSH_REQUEST))
  1199. /**
  1200. * @brief Ensure that UART advanced features initialization is valid.
  1201. * @param __INIT__ UART advanced features initialization.
  1202. * @retval SET (__INIT__ is valid) or RESET (__INIT__ is invalid)
  1203. */
  1204. #define IS_UART_ADVFEATURE_INIT(__INIT__) ((__INIT__) <= (UART_ADVFEATURE_NO_INIT | \
  1205. UART_ADVFEATURE_TXINVERT_INIT | \
  1206. UART_ADVFEATURE_RXINVERT_INIT | \
  1207. UART_ADVFEATURE_DATAINVERT_INIT | \
  1208. UART_ADVFEATURE_SWAP_INIT | \
  1209. UART_ADVFEATURE_RXOVERRUNDISABLE_INIT | \
  1210. UART_ADVFEATURE_DMADISABLEONERROR_INIT | \
  1211. UART_ADVFEATURE_AUTOBAUDRATE_INIT | \
  1212. UART_ADVFEATURE_MSBFIRST_INIT))
  1213. /**
  1214. * @brief Ensure that UART frame TX inversion setting is valid.
  1215. * @param __TXINV__ UART frame TX inversion setting.
  1216. * @retval SET (__TXINV__ is valid) or RESET (__TXINV__ is invalid)
  1217. */
  1218. #define IS_UART_ADVFEATURE_TXINV(__TXINV__) (((__TXINV__) == UART_ADVFEATURE_TXINV_DISABLE) || \
  1219. ((__TXINV__) == UART_ADVFEATURE_TXINV_ENABLE))
  1220. /**
  1221. * @brief Ensure that UART frame RX inversion setting is valid.
  1222. * @param __RXINV__ UART frame RX inversion setting.
  1223. * @retval SET (__RXINV__ is valid) or RESET (__RXINV__ is invalid)
  1224. */
  1225. #define IS_UART_ADVFEATURE_RXINV(__RXINV__) (((__RXINV__) == UART_ADVFEATURE_RXINV_DISABLE) || \
  1226. ((__RXINV__) == UART_ADVFEATURE_RXINV_ENABLE))
  1227. /**
  1228. * @brief Ensure that UART frame data inversion setting is valid.
  1229. * @param __DATAINV__ UART frame data inversion setting.
  1230. * @retval SET (__DATAINV__ is valid) or RESET (__DATAINV__ is invalid)
  1231. */
  1232. #define IS_UART_ADVFEATURE_DATAINV(__DATAINV__) (((__DATAINV__) == UART_ADVFEATURE_DATAINV_DISABLE) || \
  1233. ((__DATAINV__) == UART_ADVFEATURE_DATAINV_ENABLE))
  1234. /**
  1235. * @brief Ensure that UART frame RX/TX pins swap setting is valid.
  1236. * @param __SWAP__ UART frame RX/TX pins swap setting.
  1237. * @retval SET (__SWAP__ is valid) or RESET (__SWAP__ is invalid)
  1238. */
  1239. #define IS_UART_ADVFEATURE_SWAP(__SWAP__) (((__SWAP__) == UART_ADVFEATURE_SWAP_DISABLE) || \
  1240. ((__SWAP__) == UART_ADVFEATURE_SWAP_ENABLE))
  1241. /**
  1242. * @brief Ensure that UART frame overrun setting is valid.
  1243. * @param __OVERRUN__ UART frame overrun setting.
  1244. * @retval SET (__OVERRUN__ is valid) or RESET (__OVERRUN__ is invalid)
  1245. */
  1246. #define IS_UART_OVERRUN(__OVERRUN__) (((__OVERRUN__) == UART_ADVFEATURE_OVERRUN_ENABLE) || \
  1247. ((__OVERRUN__) == UART_ADVFEATURE_OVERRUN_DISABLE))
  1248. /**
  1249. * @brief Ensure that UART auto Baud rate state is valid.
  1250. * @param __AUTOBAUDRATE__ UART auto Baud rate state.
  1251. * @retval SET (__AUTOBAUDRATE__ is valid) or RESET (__AUTOBAUDRATE__ is invalid)
  1252. */
  1253. #define IS_UART_ADVFEATURE_AUTOBAUDRATE(__AUTOBAUDRATE__) (((__AUTOBAUDRATE__) == UART_ADVFEATURE_AUTOBAUDRATE_DISABLE) || \
  1254. ((__AUTOBAUDRATE__) == UART_ADVFEATURE_AUTOBAUDRATE_ENABLE))
  1255. /**
  1256. * @brief Ensure that UART DMA enabling or disabling on error setting is valid.
  1257. * @param __DMA__ UART DMA enabling or disabling on error setting.
  1258. * @retval SET (__DMA__ is valid) or RESET (__DMA__ is invalid)
  1259. */
  1260. #define IS_UART_ADVFEATURE_DMAONRXERROR(__DMA__) (((__DMA__) == UART_ADVFEATURE_DMA_ENABLEONRXERROR) || \
  1261. ((__DMA__) == UART_ADVFEATURE_DMA_DISABLEONRXERROR))
  1262. /**
  1263. * @brief Ensure that UART frame MSB first setting is valid.
  1264. * @param __MSBFIRST__ UART frame MSB first setting.
  1265. * @retval SET (__MSBFIRST__ is valid) or RESET (__MSBFIRST__ is invalid)
  1266. */
  1267. #define IS_UART_ADVFEATURE_MSBFIRST(__MSBFIRST__) (((__MSBFIRST__) == UART_ADVFEATURE_MSBFIRST_DISABLE) || \
  1268. ((__MSBFIRST__) == UART_ADVFEATURE_MSBFIRST_ENABLE))
  1269. /**
  1270. * @brief Ensure that UART stop mode state is valid.
  1271. * @param __STOPMODE__ UART stop mode state.
  1272. * @retval SET (__STOPMODE__ is valid) or RESET (__STOPMODE__ is invalid)
  1273. */
  1274. #define IS_UART_ADVFEATURE_STOPMODE(__STOPMODE__) (((__STOPMODE__) == UART_ADVFEATURE_STOPMODE_DISABLE) || \
  1275. ((__STOPMODE__) == UART_ADVFEATURE_STOPMODE_ENABLE))
  1276. /**
  1277. * @brief Ensure that UART mute mode state is valid.
  1278. * @param __MUTE__ UART mute mode state.
  1279. * @retval SET (__MUTE__ is valid) or RESET (__MUTE__ is invalid)
  1280. */
  1281. #define IS_UART_MUTE_MODE(__MUTE__) (((__MUTE__) == UART_ADVFEATURE_MUTEMODE_DISABLE) || \
  1282. ((__MUTE__) == UART_ADVFEATURE_MUTEMODE_ENABLE))
  1283. /**
  1284. * @brief Ensure that UART wake-up selection is valid.
  1285. * @param __WAKE__ UART wake-up selection.
  1286. * @retval SET (__WAKE__ is valid) or RESET (__WAKE__ is invalid)
  1287. */
  1288. #define IS_UART_WAKEUP_SELECTION(__WAKE__) (((__WAKE__) == UART_WAKEUP_ON_ADDRESS) || \
  1289. ((__WAKE__) == UART_WAKEUP_ON_STARTBIT) || \
  1290. ((__WAKE__) == UART_WAKEUP_ON_READDATA_NONEMPTY))
  1291. /**
  1292. * @brief Ensure that UART driver enable polarity is valid.
  1293. * @param __POLARITY__ UART driver enable polarity.
  1294. * @retval SET (__POLARITY__ is valid) or RESET (__POLARITY__ is invalid)
  1295. */
  1296. #define IS_UART_DE_POLARITY(__POLARITY__) (((__POLARITY__) == UART_DE_POLARITY_HIGH) || \
  1297. ((__POLARITY__) == UART_DE_POLARITY_LOW))
  1298. #if defined(USART_PRESC_PRESCALER)
  1299. /**
  1300. * @brief Ensure that UART Prescaler is valid.
  1301. * @param __CLOCKPRESCALER__ UART Prescaler value.
  1302. * @retval SET (__CLOCKPRESCALER__ is valid) or RESET (__CLOCKPRESCALER__ is invalid)
  1303. */
  1304. #define IS_UART_PRESCALER(__CLOCKPRESCALER__) (((__CLOCKPRESCALER__) == UART_PRESCALER_DIV1) || \
  1305. ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV2) || \
  1306. ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV4) || \
  1307. ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV6) || \
  1308. ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV8) || \
  1309. ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV10) || \
  1310. ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV12) || \
  1311. ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV16) || \
  1312. ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV32) || \
  1313. ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV64) || \
  1314. ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV128) || \
  1315. ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV256))
  1316. #endif
  1317. #if defined(USART_CR1_FIFOEN)
  1318. /**
  1319. * @brief Ensure that UART TXFIFO threshold level is valid.
  1320. * @param __THRESHOLD__ UART TXFIFO threshold level.
  1321. * @retval SET (__THRESHOLD__ is valid) or RESET (__THRESHOLD__ is invalid)
  1322. */
  1323. #define IS_UART_TXFIFO_THRESHOLD(__THRESHOLD__) (((__THRESHOLD__) == UART_TXFIFO_THRESHOLD_1_8) || \
  1324. ((__THRESHOLD__) == UART_TXFIFO_THRESHOLD_1_4) || \
  1325. ((__THRESHOLD__) == UART_TXFIFO_THRESHOLD_1_2) || \
  1326. ((__THRESHOLD__) == UART_TXFIFO_THRESHOLD_3_4) || \
  1327. ((__THRESHOLD__) == UART_TXFIFO_THRESHOLD_7_8) || \
  1328. ((__THRESHOLD__) == UART_TXFIFO_THRESHOLD_8_8))
  1329. /**
  1330. * @brief Ensure that UART RXFIFO threshold level is valid.
  1331. * @param __THRESHOLD__ UART RXFIFO threshold level.
  1332. * @retval SET (__THRESHOLD__ is valid) or RESET (__THRESHOLD__ is invalid)
  1333. */
  1334. #define IS_UART_RXFIFO_THRESHOLD(__THRESHOLD__) (((__THRESHOLD__) == UART_RXFIFO_THRESHOLD_1_8) || \
  1335. ((__THRESHOLD__) == UART_RXFIFO_THRESHOLD_1_4) || \
  1336. ((__THRESHOLD__) == UART_RXFIFO_THRESHOLD_1_2) || \
  1337. ((__THRESHOLD__) == UART_RXFIFO_THRESHOLD_3_4) || \
  1338. ((__THRESHOLD__) == UART_RXFIFO_THRESHOLD_7_8) || \
  1339. ((__THRESHOLD__) == UART_RXFIFO_THRESHOLD_8_8))
  1340. #endif
  1341. /**
  1342. * @}
  1343. */
  1344. /* Include UART HAL Extended module */
  1345. #include "stm32l4xx_hal_uart_ex.h"
  1346. /* Exported functions --------------------------------------------------------*/
  1347. /** @addtogroup UART_Exported_Functions UART Exported Functions
  1348. * @{
  1349. */
  1350. /** @addtogroup UART_Exported_Functions_Group1 Initialization and de-initialization functions
  1351. * @{
  1352. */
  1353. /* Initialization and de-initialization functions ****************************/
  1354. HAL_StatusTypeDef HAL_UART_Init(UART_HandleTypeDef *huart);
  1355. HAL_StatusTypeDef HAL_HalfDuplex_Init(UART_HandleTypeDef *huart);
  1356. HAL_StatusTypeDef HAL_LIN_Init(UART_HandleTypeDef *huart, uint32_t BreakDetectLength);
  1357. HAL_StatusTypeDef HAL_MultiProcessor_Init(UART_HandleTypeDef *huart, uint8_t Address, uint32_t WakeUpMethod);
  1358. HAL_StatusTypeDef HAL_UART_DeInit (UART_HandleTypeDef *huart);
  1359. void HAL_UART_MspInit(UART_HandleTypeDef *huart);
  1360. void HAL_UART_MspDeInit(UART_HandleTypeDef *huart);
  1361. /**
  1362. * @}
  1363. */
  1364. /** @addtogroup UART_Exported_Functions_Group2 IO operation functions
  1365. * @{
  1366. */
  1367. /* IO operation functions *****************************************************/
  1368. HAL_StatusTypeDef HAL_UART_Transmit(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout);
  1369. HAL_StatusTypeDef HAL_UART_Receive(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout);
  1370. HAL_StatusTypeDef HAL_UART_Transmit_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
  1371. HAL_StatusTypeDef HAL_UART_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
  1372. HAL_StatusTypeDef HAL_UART_Transmit_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
  1373. HAL_StatusTypeDef HAL_UART_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
  1374. HAL_StatusTypeDef HAL_UART_DMAPause(UART_HandleTypeDef *huart);
  1375. HAL_StatusTypeDef HAL_UART_DMAResume(UART_HandleTypeDef *huart);
  1376. HAL_StatusTypeDef HAL_UART_DMAStop(UART_HandleTypeDef *huart);
  1377. /* Transfer Abort functions */
  1378. HAL_StatusTypeDef HAL_UART_Abort(UART_HandleTypeDef *huart);
  1379. HAL_StatusTypeDef HAL_UART_AbortTransmit(UART_HandleTypeDef *huart);
  1380. HAL_StatusTypeDef HAL_UART_AbortReceive(UART_HandleTypeDef *huart);
  1381. HAL_StatusTypeDef HAL_UART_Abort_IT(UART_HandleTypeDef *huart);
  1382. HAL_StatusTypeDef HAL_UART_AbortTransmit_IT(UART_HandleTypeDef *huart);
  1383. HAL_StatusTypeDef HAL_UART_AbortReceive_IT(UART_HandleTypeDef *huart);
  1384. void HAL_UART_IRQHandler(UART_HandleTypeDef *huart);
  1385. void HAL_UART_TxHalfCpltCallback(UART_HandleTypeDef *huart);
  1386. void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart);
  1387. void HAL_UART_RxHalfCpltCallback(UART_HandleTypeDef *huart);
  1388. void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart);
  1389. void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart);
  1390. void HAL_UART_AbortCpltCallback (UART_HandleTypeDef *huart);
  1391. void HAL_UART_AbortTransmitCpltCallback (UART_HandleTypeDef *huart);
  1392. void HAL_UART_AbortReceiveCpltCallback (UART_HandleTypeDef *huart);
  1393. /**
  1394. * @}
  1395. */
  1396. /** @addtogroup UART_Exported_Functions_Group3 Peripheral Control functions
  1397. * @{
  1398. */
  1399. /* Peripheral Control functions ************************************************/
  1400. HAL_StatusTypeDef HAL_LIN_SendBreak(UART_HandleTypeDef *huart);
  1401. HAL_StatusTypeDef HAL_MultiProcessor_EnableMuteMode(UART_HandleTypeDef *huart);
  1402. HAL_StatusTypeDef HAL_MultiProcessor_DisableMuteMode(UART_HandleTypeDef *huart);
  1403. void HAL_MultiProcessor_EnterMuteMode(UART_HandleTypeDef *huart);
  1404. HAL_StatusTypeDef HAL_HalfDuplex_EnableTransmitter(UART_HandleTypeDef *huart);
  1405. HAL_StatusTypeDef HAL_HalfDuplex_EnableReceiver(UART_HandleTypeDef *huart);
  1406. /**
  1407. * @}
  1408. */
  1409. /** @addtogroup UART_Exported_Functions_Group4 Peripheral State and Error functions
  1410. * @{
  1411. */
  1412. /* Peripheral State and Errors functions **************************************************/
  1413. HAL_UART_StateTypeDef HAL_UART_GetState(UART_HandleTypeDef *huart);
  1414. uint32_t HAL_UART_GetError(UART_HandleTypeDef *huart);
  1415. /**
  1416. * @}
  1417. */
  1418. /**
  1419. * @}
  1420. */
  1421. /* Private functions -----------------------------------------------------------*/
  1422. /** @addtogroup UART_Private_Functions UART Private Functions
  1423. * @{
  1424. */
  1425. HAL_StatusTypeDef UART_SetConfig(UART_HandleTypeDef *huart);
  1426. HAL_StatusTypeDef UART_CheckIdleState(UART_HandleTypeDef *huart);
  1427. HAL_StatusTypeDef UART_WaitOnFlagUntilTimeout(UART_HandleTypeDef *huart, uint32_t Flag, FlagStatus Status, uint32_t Tickstart, uint32_t Timeout);
  1428. void UART_AdvFeatureConfig(UART_HandleTypeDef *huart);
  1429. /**
  1430. * @}
  1431. */
  1432. /**
  1433. * @}
  1434. */
  1435. /**
  1436. * @}
  1437. */
  1438. #ifdef __cplusplus
  1439. }
  1440. #endif
  1441. #endif /* __STM32L4xx_HAL_UART_H */
  1442. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/