stm32f3xx_hal_usart.h 38 KB

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  1. /**
  2. ******************************************************************************
  3. * @file stm32f3xx_hal_usart.h
  4. * @author MCD Application Team
  5. * @brief Header file of USART 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 STM32F3xx_HAL_USART_H
  20. #define STM32F3xx_HAL_USART_H
  21. #ifdef __cplusplus
  22. extern "C" {
  23. #endif
  24. /* Includes ------------------------------------------------------------------*/
  25. #include "stm32f3xx_hal_def.h"
  26. /** @addtogroup STM32F3xx_HAL_Driver
  27. * @{
  28. */
  29. /** @addtogroup USART
  30. * @{
  31. */
  32. /* Exported types ------------------------------------------------------------*/
  33. /** @defgroup USART_Exported_Types USART Exported Types
  34. * @{
  35. */
  36. /**
  37. * @brief USART Init Structure definition
  38. */
  39. typedef struct
  40. {
  41. uint32_t BaudRate; /*!< This member configures the Usart communication baud rate.
  42. The baud rate is computed using the following formula:
  43. Baud Rate Register[15:4] = ((2 * fclk_pres) /
  44. ((huart->Init.BaudRate)))[15:4]
  45. Baud Rate Register[3] = 0
  46. Baud Rate Register[2:0] = (((2 * fclk_pres) /
  47. ((huart->Init.BaudRate)))[3:0]) >> 1
  48. where fclk_pres is the USART input clock frequency
  49. @note Oversampling by 8 is systematically applied to
  50. achieve high baud rates. */
  51. uint32_t WordLength; /*!< Specifies the number of data bits transmitted or received in a frame.
  52. This parameter can be a value of @ref USARTEx_Word_Length. */
  53. uint32_t StopBits; /*!< Specifies the number of stop bits transmitted.
  54. This parameter can be a value of @ref USART_Stop_Bits. */
  55. uint32_t Parity; /*!< Specifies the parity mode.
  56. This parameter can be a value of @ref USART_Parity
  57. @note When parity is enabled, the computed parity is inserted
  58. at the MSB position of the transmitted data (9th bit when
  59. the word length is set to 9 data bits; 8th bit when the
  60. word length is set to 8 data bits). */
  61. uint32_t Mode; /*!< Specifies whether the Receive or Transmit mode is enabled or disabled.
  62. This parameter can be a value of @ref USART_Mode. */
  63. uint32_t CLKPolarity; /*!< Specifies the steady state of the serial clock.
  64. This parameter can be a value of @ref USART_Clock_Polarity. */
  65. uint32_t CLKPhase; /*!< Specifies the clock transition on which the bit capture is made.
  66. This parameter can be a value of @ref USART_Clock_Phase. */
  67. uint32_t CLKLastBit; /*!< Specifies whether the clock pulse corresponding to the last transmitted
  68. data bit (MSB) has to be output on the SCLK pin in synchronous mode.
  69. This parameter can be a value of @ref USART_Last_Bit. */
  70. } USART_InitTypeDef;
  71. /**
  72. * @brief HAL USART State structures definition
  73. */
  74. typedef enum
  75. {
  76. HAL_USART_STATE_RESET = 0x00U, /*!< Peripheral is not initialized */
  77. HAL_USART_STATE_READY = 0x01U, /*!< Peripheral Initialized and ready for use */
  78. HAL_USART_STATE_BUSY = 0x02U, /*!< an internal process is ongoing */
  79. HAL_USART_STATE_BUSY_TX = 0x12U, /*!< Data Transmission process is ongoing */
  80. HAL_USART_STATE_BUSY_RX = 0x22U, /*!< Data Reception process is ongoing */
  81. HAL_USART_STATE_BUSY_TX_RX = 0x32U, /*!< Data Transmission Reception process is ongoing */
  82. HAL_USART_STATE_TIMEOUT = 0x03U, /*!< Timeout state */
  83. HAL_USART_STATE_ERROR = 0x04U /*!< Error */
  84. } HAL_USART_StateTypeDef;
  85. /**
  86. * @brief USART clock sources definitions
  87. */
  88. typedef enum
  89. {
  90. USART_CLOCKSOURCE_PCLK1 = 0x00U, /*!< PCLK1 clock source */
  91. USART_CLOCKSOURCE_PCLK2 = 0x01U, /*!< PCLK2 clock source */
  92. USART_CLOCKSOURCE_HSI = 0x02U, /*!< HSI clock source */
  93. USART_CLOCKSOURCE_SYSCLK = 0x04U, /*!< SYSCLK clock source */
  94. USART_CLOCKSOURCE_LSE = 0x08U, /*!< LSE clock source */
  95. USART_CLOCKSOURCE_UNDEFINED = 0x10U /*!< Undefined clock source */
  96. } USART_ClockSourceTypeDef;
  97. /**
  98. * @brief USART handle Structure definition
  99. */
  100. typedef struct __USART_HandleTypeDef
  101. {
  102. USART_TypeDef *Instance; /*!< USART registers base address */
  103. USART_InitTypeDef Init; /*!< USART communication parameters */
  104. const uint8_t *pTxBuffPtr; /*!< Pointer to USART Tx transfer Buffer */
  105. uint16_t TxXferSize; /*!< USART Tx Transfer size */
  106. __IO uint16_t TxXferCount; /*!< USART Tx Transfer Counter */
  107. uint8_t *pRxBuffPtr; /*!< Pointer to USART Rx transfer Buffer */
  108. uint16_t RxXferSize; /*!< USART Rx Transfer size */
  109. __IO uint16_t RxXferCount; /*!< USART Rx Transfer Counter */
  110. uint16_t Mask; /*!< USART Rx RDR register mask */
  111. void (*RxISR)(struct __USART_HandleTypeDef *husart); /*!< Function pointer on Rx IRQ handler */
  112. void (*TxISR)(struct __USART_HandleTypeDef *husart); /*!< Function pointer on Tx IRQ handler */
  113. DMA_HandleTypeDef *hdmatx; /*!< USART Tx DMA Handle parameters */
  114. DMA_HandleTypeDef *hdmarx; /*!< USART Rx DMA Handle parameters */
  115. HAL_LockTypeDef Lock; /*!< Locking object */
  116. __IO HAL_USART_StateTypeDef State; /*!< USART communication state */
  117. __IO uint32_t ErrorCode; /*!< USART Error code */
  118. #if (USE_HAL_USART_REGISTER_CALLBACKS == 1)
  119. void (* TxHalfCpltCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Tx Half Complete Callback */
  120. void (* TxCpltCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Tx Complete Callback */
  121. void (* RxHalfCpltCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Rx Half Complete Callback */
  122. void (* RxCpltCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Rx Complete Callback */
  123. void (* TxRxCpltCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Tx Rx Complete Callback */
  124. void (* ErrorCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Error Callback */
  125. void (* AbortCpltCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Abort Complete Callback */
  126. void (* MspInitCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Msp Init callback */
  127. void (* MspDeInitCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Msp DeInit callback */
  128. #endif /* USE_HAL_USART_REGISTER_CALLBACKS */
  129. } USART_HandleTypeDef;
  130. #if (USE_HAL_USART_REGISTER_CALLBACKS == 1)
  131. /**
  132. * @brief HAL USART Callback ID enumeration definition
  133. */
  134. typedef enum
  135. {
  136. HAL_USART_TX_HALFCOMPLETE_CB_ID = 0x00U, /*!< USART Tx Half Complete Callback ID */
  137. HAL_USART_TX_COMPLETE_CB_ID = 0x01U, /*!< USART Tx Complete Callback ID */
  138. HAL_USART_RX_HALFCOMPLETE_CB_ID = 0x02U, /*!< USART Rx Half Complete Callback ID */
  139. HAL_USART_RX_COMPLETE_CB_ID = 0x03U, /*!< USART Rx Complete Callback ID */
  140. HAL_USART_TX_RX_COMPLETE_CB_ID = 0x04U, /*!< USART Tx Rx Complete Callback ID */
  141. HAL_USART_ERROR_CB_ID = 0x05U, /*!< USART Error Callback ID */
  142. HAL_USART_ABORT_COMPLETE_CB_ID = 0x06U, /*!< USART Abort Complete Callback ID */
  143. HAL_USART_MSPINIT_CB_ID = 0x09U, /*!< USART MspInit callback ID */
  144. HAL_USART_MSPDEINIT_CB_ID = 0x0AU /*!< USART MspDeInit callback ID */
  145. } HAL_USART_CallbackIDTypeDef;
  146. /**
  147. * @brief HAL USART Callback pointer definition
  148. */
  149. typedef void (*pUSART_CallbackTypeDef)(USART_HandleTypeDef *husart); /*!< pointer to an USART callback function */
  150. #endif /* USE_HAL_USART_REGISTER_CALLBACKS */
  151. /**
  152. * @}
  153. */
  154. /* Exported constants --------------------------------------------------------*/
  155. /** @defgroup USART_Exported_Constants USART Exported Constants
  156. * @{
  157. */
  158. /** @defgroup USART_Error_Definition USART Error Definition
  159. * @{
  160. */
  161. #define HAL_USART_ERROR_NONE (0x00000000U) /*!< No error */
  162. #define HAL_USART_ERROR_PE (0x00000001U) /*!< Parity error */
  163. #define HAL_USART_ERROR_NE (0x00000002U) /*!< Noise error */
  164. #define HAL_USART_ERROR_FE (0x00000004U) /*!< Frame error */
  165. #define HAL_USART_ERROR_ORE (0x00000008U) /*!< Overrun error */
  166. #define HAL_USART_ERROR_DMA (0x00000010U) /*!< DMA transfer error */
  167. #if (USE_HAL_USART_REGISTER_CALLBACKS == 1)
  168. #define HAL_USART_ERROR_INVALID_CALLBACK (0x00000040U) /*!< Invalid Callback error */
  169. #endif /* USE_HAL_USART_REGISTER_CALLBACKS */
  170. #define HAL_USART_ERROR_RTO (0x00000080U) /*!< Receiver Timeout error */
  171. /**
  172. * @}
  173. */
  174. /** @defgroup USART_Stop_Bits USART Number of Stop Bits
  175. * @{
  176. */
  177. #define USART_STOPBITS_0_5 USART_CR2_STOP_0 /*!< USART frame with 0.5 stop bit */
  178. #define USART_STOPBITS_1 0x00000000U /*!< USART frame with 1 stop bit */
  179. #define USART_STOPBITS_1_5 (USART_CR2_STOP_0 | USART_CR2_STOP_1) /*!< USART frame with 1.5 stop bits */
  180. #define USART_STOPBITS_2 USART_CR2_STOP_1 /*!< USART frame with 2 stop bits */
  181. /**
  182. * @}
  183. */
  184. /** @defgroup USART_Parity USART Parity
  185. * @{
  186. */
  187. #define USART_PARITY_NONE 0x00000000U /*!< No parity */
  188. #define USART_PARITY_EVEN USART_CR1_PCE /*!< Even parity */
  189. #define USART_PARITY_ODD (USART_CR1_PCE | USART_CR1_PS) /*!< Odd parity */
  190. /**
  191. * @}
  192. */
  193. /** @defgroup USART_Mode USART Mode
  194. * @{
  195. */
  196. #define USART_MODE_RX USART_CR1_RE /*!< RX mode */
  197. #define USART_MODE_TX USART_CR1_TE /*!< TX mode */
  198. #define USART_MODE_TX_RX (USART_CR1_TE |USART_CR1_RE) /*!< RX and TX mode */
  199. /**
  200. * @}
  201. */
  202. /** @defgroup USART_Clock USART Clock
  203. * @{
  204. */
  205. #define USART_CLOCK_DISABLE 0x00000000U /*!< USART clock disable */
  206. #define USART_CLOCK_ENABLE USART_CR2_CLKEN /*!< USART clock enable */
  207. /**
  208. * @}
  209. */
  210. /** @defgroup USART_Clock_Polarity USART Clock Polarity
  211. * @{
  212. */
  213. #define USART_POLARITY_LOW 0x00000000U /*!< Driver enable signal is active high */
  214. #define USART_POLARITY_HIGH USART_CR2_CPOL /*!< Driver enable signal is active low */
  215. /**
  216. * @}
  217. */
  218. /** @defgroup USART_Clock_Phase USART Clock Phase
  219. * @{
  220. */
  221. #define USART_PHASE_1EDGE 0x00000000U /*!< USART frame phase on first clock transition */
  222. #define USART_PHASE_2EDGE USART_CR2_CPHA /*!< USART frame phase on second clock transition */
  223. /**
  224. * @}
  225. */
  226. /** @defgroup USART_Last_Bit USART Last Bit
  227. * @{
  228. */
  229. #define USART_LASTBIT_DISABLE 0x00000000U /*!< USART frame last data bit clock pulse not output to SCLK pin */
  230. #define USART_LASTBIT_ENABLE USART_CR2_LBCL /*!< USART frame last data bit clock pulse output to SCLK pin */
  231. /**
  232. * @}
  233. */
  234. /** @defgroup USART_Request_Parameters USART Request Parameters
  235. * @{
  236. */
  237. #define USART_RXDATA_FLUSH_REQUEST USART_RQR_RXFRQ /*!< Receive Data flush Request */
  238. #define USART_TXDATA_FLUSH_REQUEST USART_RQR_TXFRQ /*!< Transmit data flush Request */
  239. /**
  240. * @}
  241. */
  242. /** @defgroup USART_Flags USART Flags
  243. * Elements values convention: 0xXXXX
  244. * - 0xXXXX : Flag mask in the ISR register
  245. * @{
  246. */
  247. #define USART_FLAG_REACK USART_ISR_REACK /*!< USART receive enable acknowledge flag */
  248. #define USART_FLAG_TEACK USART_ISR_TEACK /*!< USART transmit enable acknowledge flag */
  249. #define USART_FLAG_BUSY USART_ISR_BUSY /*!< USART busy flag */
  250. #define USART_FLAG_CTS USART_ISR_CTS /*!< USART clear to send flag */
  251. #define USART_FLAG_CTSIF USART_ISR_CTSIF /*!< USART clear to send interrupt flag */
  252. #define USART_FLAG_LBDF USART_ISR_LBDF /*!< USART LIN break detection flag */
  253. #define USART_FLAG_TXE USART_ISR_TXE /*!< USART transmit data register empty */
  254. #define USART_FLAG_RTOF USART_ISR_RTOF /*!< USART receiver timeout flag */
  255. #define USART_FLAG_TC USART_ISR_TC /*!< USART transmission complete */
  256. #define USART_FLAG_RXNE USART_ISR_RXNE /*!< USART read data register not empty */
  257. #define USART_FLAG_IDLE USART_ISR_IDLE /*!< USART idle flag */
  258. #define USART_FLAG_ORE USART_ISR_ORE /*!< USART overrun error */
  259. #define USART_FLAG_NE USART_ISR_NE /*!< USART noise error */
  260. #define USART_FLAG_FE USART_ISR_FE /*!< USART frame error */
  261. #define USART_FLAG_PE USART_ISR_PE /*!< USART parity error */
  262. /**
  263. * @}
  264. */
  265. /** @defgroup USART_Interrupt_definition USART Interrupts Definition
  266. * Elements values convention: 0000ZZZZ0XXYYYYYb
  267. * - YYYYY : Interrupt source position in the XX register (5bits)
  268. * - XX : Interrupt source register (2bits)
  269. * - 01: CR1 register
  270. * - 10: CR2 register
  271. * - 11: CR3 register
  272. * - ZZZZ : Flag position in the ISR register(4bits)
  273. * @{
  274. */
  275. #define USART_IT_PE 0x0028U /*!< USART parity error interruption */
  276. #define USART_IT_TXE 0x0727U /*!< USART transmit data register empty interruption */
  277. #define USART_IT_TC 0x0626U /*!< USART transmission complete interruption */
  278. #define USART_IT_RXNE 0x0525U /*!< USART read data register not empty interruption */
  279. #define USART_IT_IDLE 0x0424U /*!< USART idle interruption */
  280. #define USART_IT_ERR 0x0060U /*!< USART error interruption */
  281. #define USART_IT_ORE 0x0300U /*!< USART overrun error interruption */
  282. #define USART_IT_NE 0x0200U /*!< USART noise error interruption */
  283. #define USART_IT_FE 0x0100U /*!< USART frame error interruption */
  284. /**
  285. * @}
  286. */
  287. /** @defgroup USART_IT_CLEAR_Flags USART Interruption Clear Flags
  288. * @{
  289. */
  290. #define USART_CLEAR_PEF USART_ICR_PECF /*!< Parity Error Clear Flag */
  291. #define USART_CLEAR_FEF USART_ICR_FECF /*!< Framing Error Clear Flag */
  292. #define USART_CLEAR_NEF USART_ICR_NCF /*!< Noise Error detected Clear Flag */
  293. #define USART_CLEAR_OREF USART_ICR_ORECF /*!< OverRun Error Clear Flag */
  294. #define USART_CLEAR_IDLEF USART_ICR_IDLECF /*!< IDLE line detected Clear Flag */
  295. #define USART_CLEAR_TCF USART_ICR_TCCF /*!< Transmission Complete Clear Flag */
  296. #define USART_CLEAR_CTSF USART_ICR_CTSCF /*!< CTS Interrupt Clear Flag */
  297. #define USART_CLEAR_RTOF USART_ICR_RTOCF /*!< USART receiver timeout clear flag */
  298. /**
  299. * @}
  300. */
  301. /** @defgroup USART_Interruption_Mask USART Interruption Flags Mask
  302. * @{
  303. */
  304. #define USART_IT_MASK 0x001FU /*!< USART interruptions flags mask */
  305. #define USART_CR_MASK 0x00E0U /*!< USART control register mask */
  306. #define USART_CR_POS 5U /*!< USART control register position */
  307. #define USART_ISR_MASK 0x1F00U /*!< USART ISR register mask */
  308. #define USART_ISR_POS 8U /*!< USART ISR register position */
  309. /**
  310. * @}
  311. */
  312. /**
  313. * @}
  314. */
  315. /* Exported macros -----------------------------------------------------------*/
  316. /** @defgroup USART_Exported_Macros USART Exported Macros
  317. * @{
  318. */
  319. /** @brief Reset USART handle state.
  320. * @param __HANDLE__ USART handle.
  321. * @retval None
  322. */
  323. #if (USE_HAL_USART_REGISTER_CALLBACKS == 1)
  324. #define __HAL_USART_RESET_HANDLE_STATE(__HANDLE__) do{ \
  325. (__HANDLE__)->State = HAL_USART_STATE_RESET; \
  326. (__HANDLE__)->MspInitCallback = NULL; \
  327. (__HANDLE__)->MspDeInitCallback = NULL; \
  328. } while(0U)
  329. #else
  330. #define __HAL_USART_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_USART_STATE_RESET)
  331. #endif /* USE_HAL_USART_REGISTER_CALLBACKS */
  332. /** @brief Flush the USART Data registers
  333. * @param __HANDLE__ specifies the USART Handle.
  334. */
  335. #define __HAL_USART_FLUSH_DRREGISTER(__HANDLE__) \
  336. do{ \
  337. SET_BIT((__HANDLE__)->Instance->RQR, USART_RXDATA_FLUSH_REQUEST); \
  338. SET_BIT((__HANDLE__)->Instance->RQR, USART_TXDATA_FLUSH_REQUEST); \
  339. } while(0U)
  340. /** @brief Check whether the specified USART flag is set or not.
  341. * @param __HANDLE__ specifies the USART Handle
  342. * @param __FLAG__ specifies the flag to check.
  343. * This parameter can be one of the following values:
  344. * @arg @ref USART_FLAG_REACK Receive enable acknowledge flag
  345. * @arg @ref USART_FLAG_TEACK Transmit enable acknowledge flag
  346. * @arg @ref USART_FLAG_BUSY Busy flag
  347. * @arg @ref USART_FLAG_CTS CTS Change flag
  348. * @arg @ref USART_FLAG_TXE Transmit data register empty flag
  349. * @arg @ref USART_FLAG_TC Transmission Complete flag
  350. * @arg @ref USART_FLAG_RXNE Receive data register not empty flag
  351. * @arg @ref USART_FLAG_RTOF Receiver Timeout flag
  352. * @arg @ref USART_FLAG_IDLE Idle Line detection flag
  353. * @arg @ref USART_FLAG_ORE OverRun Error flag
  354. * @arg @ref USART_FLAG_NE Noise Error flag
  355. * @arg @ref USART_FLAG_FE Framing Error flag
  356. * @arg @ref USART_FLAG_PE Parity Error flag
  357. * @retval The new state of __FLAG__ (TRUE or FALSE).
  358. */
  359. #define __HAL_USART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->ISR & (__FLAG__)) == (__FLAG__))
  360. /** @brief Clear the specified USART pending flag.
  361. * @param __HANDLE__ specifies the USART Handle.
  362. * @param __FLAG__ specifies the flag to check.
  363. * This parameter can be any combination of the following values:
  364. * @arg @ref USART_CLEAR_PEF Parity Error Clear Flag
  365. * @arg @ref USART_CLEAR_FEF Framing Error Clear Flag
  366. * @arg @ref USART_CLEAR_NEF Noise detected Clear Flag
  367. * @arg @ref USART_CLEAR_OREF Overrun Error Clear Flag
  368. * @arg @ref USART_CLEAR_IDLEF IDLE line detected Clear Flag
  369. * @arg @ref USART_CLEAR_TCF Transmission Complete Clear Flag
  370. * @arg @ref USART_CLEAR_RTOF Receiver Timeout clear flag
  371. * @arg @ref USART_CLEAR_CTSF
  372. * @retval None
  373. */
  374. #define __HAL_USART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->ICR = (__FLAG__))
  375. /** @brief Clear the USART PE pending flag.
  376. * @param __HANDLE__ specifies the USART Handle.
  377. * @retval None
  378. */
  379. #define __HAL_USART_CLEAR_PEFLAG(__HANDLE__) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_PEF)
  380. /** @brief Clear the USART FE pending flag.
  381. * @param __HANDLE__ specifies the USART Handle.
  382. * @retval None
  383. */
  384. #define __HAL_USART_CLEAR_FEFLAG(__HANDLE__) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_FEF)
  385. /** @brief Clear the USART NE pending flag.
  386. * @param __HANDLE__ specifies the USART Handle.
  387. * @retval None
  388. */
  389. #define __HAL_USART_CLEAR_NEFLAG(__HANDLE__) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_NEF)
  390. /** @brief Clear the USART ORE pending flag.
  391. * @param __HANDLE__ specifies the USART Handle.
  392. * @retval None
  393. */
  394. #define __HAL_USART_CLEAR_OREFLAG(__HANDLE__) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_OREF)
  395. /** @brief Clear the USART IDLE pending flag.
  396. * @param __HANDLE__ specifies the USART Handle.
  397. * @retval None
  398. */
  399. #define __HAL_USART_CLEAR_IDLEFLAG(__HANDLE__) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_IDLEF)
  400. /** @brief Enable the specified USART interrupt.
  401. * @param __HANDLE__ specifies the USART Handle.
  402. * @param __INTERRUPT__ specifies the USART interrupt source to enable.
  403. * This parameter can be one of the following values:
  404. * @arg @ref USART_IT_TXE Transmit Data Register empty interrupt
  405. * @arg @ref USART_IT_TC Transmission complete interrupt
  406. * @arg @ref USART_IT_RXNE Receive Data register not empty interrupt
  407. * @arg @ref USART_IT_IDLE Idle line detection interrupt
  408. * @arg @ref USART_IT_PE Parity Error interrupt
  409. * @arg @ref USART_IT_ERR Error interrupt(Frame error, noise error, overrun error)
  410. * @retval None
  411. */
  412. #define __HAL_USART_ENABLE_IT(__HANDLE__, __INTERRUPT__)\
  413. (((((__INTERRUPT__) & USART_CR_MASK) >> USART_CR_POS) == 1U)?\
  414. ((__HANDLE__)->Instance->CR1 |= (1U << ((__INTERRUPT__) & USART_IT_MASK))): \
  415. ((((__INTERRUPT__) & USART_CR_MASK) >> USART_CR_POS) == 2U)?\
  416. ((__HANDLE__)->Instance->CR2 |= (1U << ((__INTERRUPT__) & USART_IT_MASK))): \
  417. ((__HANDLE__)->Instance->CR3 |= (1U << ((__INTERRUPT__) & USART_IT_MASK))))
  418. /** @brief Disable the specified USART interrupt.
  419. * @param __HANDLE__ specifies the USART Handle.
  420. * @param __INTERRUPT__ specifies the USART interrupt source to disable.
  421. * This parameter can be one of the following values:
  422. * @arg @ref USART_IT_TXE Transmit Data Register empty interrupt
  423. * @arg @ref USART_IT_TC Transmission complete interrupt
  424. * @arg @ref USART_IT_RXNE Receive Data register not empty interrupt
  425. * @arg @ref USART_IT_IDLE Idle line detection interrupt
  426. * @arg @ref USART_IT_PE Parity Error interrupt
  427. * @arg @ref USART_IT_ERR Error interrupt(Frame error, noise error, overrun error)
  428. * @retval None
  429. */
  430. #define __HAL_USART_DISABLE_IT(__HANDLE__, __INTERRUPT__)\
  431. (((((__INTERRUPT__) & USART_CR_MASK) >> USART_CR_POS) == 1U)?\
  432. ((__HANDLE__)->Instance->CR1 &= ~ (1U << ((__INTERRUPT__) & USART_IT_MASK))): \
  433. ((((__INTERRUPT__) & USART_CR_MASK) >> USART_CR_POS) == 2U)?\
  434. ((__HANDLE__)->Instance->CR2 &= ~ (1U << ((__INTERRUPT__) & USART_IT_MASK))): \
  435. ((__HANDLE__)->Instance->CR3 &= ~ (1U << ((__INTERRUPT__) & USART_IT_MASK))))
  436. /** @brief Check whether the specified USART interrupt has occurred or not.
  437. * @param __HANDLE__ specifies the USART Handle.
  438. * @param __INTERRUPT__ specifies the USART interrupt source to check.
  439. * This parameter can be one of the following values:
  440. * @arg @ref USART_IT_TXE Transmit Data Register empty interrupt
  441. * @arg @ref USART_IT_TC Transmission complete interrupt
  442. * @arg @ref USART_IT_RXNE Receive Data register not empty interrupt
  443. * @arg @ref USART_IT_IDLE Idle line detection interrupt
  444. * @arg @ref USART_IT_ORE OverRun Error interrupt
  445. * @arg @ref USART_IT_NE Noise Error interrupt
  446. * @arg @ref USART_IT_FE Framing Error interrupt
  447. * @arg @ref USART_IT_PE Parity Error interrupt
  448. * @retval The new state of __INTERRUPT__ (SET or RESET).
  449. */
  450. #define __HAL_USART_GET_IT(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->ISR\
  451. & (0x01U << (((__INTERRUPT__) & USART_ISR_MASK)>>\
  452. USART_ISR_POS))) != 0U) ? SET : RESET)
  453. /** @brief Check whether the specified USART interrupt source is enabled or not.
  454. * @param __HANDLE__ specifies the USART Handle.
  455. * @param __INTERRUPT__ specifies the USART interrupt source to check.
  456. * This parameter can be one of the following values:
  457. * @arg @ref USART_IT_TXE Transmit Data Register empty interrupt
  458. * @arg @ref USART_IT_TC Transmission complete interrupt
  459. * @arg @ref USART_IT_RXNE Receive Data register not empty interrupt
  460. * @arg @ref USART_IT_IDLE Idle line detection interrupt
  461. * @arg @ref USART_IT_ORE OverRun Error interrupt
  462. * @arg @ref USART_IT_NE Noise Error interrupt
  463. * @arg @ref USART_IT_FE Framing Error interrupt
  464. * @arg @ref USART_IT_PE Parity Error interrupt
  465. * @retval The new state of __INTERRUPT__ (SET or RESET).
  466. */
  467. #define __HAL_USART_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((((((uint8_t)(__INTERRUPT__)) >> 0x05U) == 0x01U) ?\
  468. (__HANDLE__)->Instance->CR1 : \
  469. (((((uint8_t)(__INTERRUPT__)) >> 0x05U) == 0x02U) ?\
  470. (__HANDLE__)->Instance->CR2 : \
  471. (__HANDLE__)->Instance->CR3)) & (0x01U <<\
  472. (((uint16_t)(__INTERRUPT__)) &\
  473. USART_IT_MASK))) != 0U) ? SET : RESET)
  474. /** @brief Clear the specified USART ISR flag, in setting the proper ICR register flag.
  475. * @param __HANDLE__ specifies the USART Handle.
  476. * @param __IT_CLEAR__ specifies the interrupt clear register flag that needs to be set
  477. * to clear the corresponding interrupt.
  478. * This parameter can be one of the following values:
  479. * @arg @ref USART_CLEAR_PEF Parity Error Clear Flag
  480. * @arg @ref USART_CLEAR_FEF Framing Error Clear Flag
  481. * @arg @ref USART_CLEAR_NEF Noise detected Clear Flag
  482. * @arg @ref USART_CLEAR_OREF Overrun Error Clear Flag
  483. * @arg @ref USART_CLEAR_IDLEF IDLE line detected Clear Flag
  484. * @arg @ref USART_CLEAR_RTOF Receiver timeout clear flag
  485. * @arg @ref USART_CLEAR_TCF Transmission Complete Clear Flag
  486. * @arg @ref USART_CLEAR_CTSF CTS Interrupt Clear Flag
  487. * @retval None
  488. */
  489. #define __HAL_USART_CLEAR_IT(__HANDLE__, __IT_CLEAR__) ((__HANDLE__)->Instance->ICR = (uint32_t)(__IT_CLEAR__))
  490. /** @brief Set a specific USART request flag.
  491. * @param __HANDLE__ specifies the USART Handle.
  492. * @param __REQ__ specifies the request flag to set.
  493. * This parameter can be one of the following values:
  494. * @arg @ref USART_RXDATA_FLUSH_REQUEST Receive Data flush Request
  495. * @arg @ref USART_TXDATA_FLUSH_REQUEST Transmit data flush Request
  496. *
  497. * @retval None
  498. */
  499. #define __HAL_USART_SEND_REQ(__HANDLE__, __REQ__) ((__HANDLE__)->Instance->RQR |= (uint16_t)(__REQ__))
  500. /** @brief Enable the USART one bit sample method.
  501. * @param __HANDLE__ specifies the USART Handle.
  502. * @retval None
  503. */
  504. #define __HAL_USART_ONE_BIT_SAMPLE_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3|= USART_CR3_ONEBIT)
  505. /** @brief Disable the USART one bit sample method.
  506. * @param __HANDLE__ specifies the USART Handle.
  507. * @retval None
  508. */
  509. #define __HAL_USART_ONE_BIT_SAMPLE_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 &= ~USART_CR3_ONEBIT)
  510. /** @brief Enable USART.
  511. * @param __HANDLE__ specifies the USART Handle.
  512. * @retval None
  513. */
  514. #define __HAL_USART_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 |= USART_CR1_UE)
  515. /** @brief Disable USART.
  516. * @param __HANDLE__ specifies the USART Handle.
  517. * @retval None
  518. */
  519. #define __HAL_USART_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 &= ~USART_CR1_UE)
  520. /**
  521. * @}
  522. */
  523. /* Private macros --------------------------------------------------------*/
  524. /** @defgroup USART_Private_Macros USART Private Macros
  525. * @{
  526. */
  527. /** @brief BRR division operation to set BRR register in 8-bit oversampling mode.
  528. * @param __PCLK__ USART clock.
  529. * @param __BAUD__ Baud rate set by the user.
  530. * @retval Division result
  531. */
  532. #define USART_DIV_SAMPLING8(__PCLK__, __BAUD__) ((((__PCLK__)*2U) + ((__BAUD__)/2U)) / (__BAUD__))
  533. /** @brief Check USART Baud rate.
  534. * @param __BAUDRATE__ Baudrate specified by the user.
  535. * The maximum Baud Rate is derived from the maximum clock on F3 (i.e. 72 MHz)
  536. * divided by the smallest oversampling used on the USART (i.e. 8)
  537. * @retval SET (__BAUDRATE__ is valid) or RESET (__BAUDRATE__ is invalid) */
  538. #define IS_USART_BAUDRATE(__BAUDRATE__) ((__BAUDRATE__) <= 9000000U)
  539. /**
  540. * @brief Ensure that USART frame number of stop bits is valid.
  541. * @param __STOPBITS__ USART frame number of stop bits.
  542. * @retval SET (__STOPBITS__ is valid) or RESET (__STOPBITS__ is invalid)
  543. */
  544. #define IS_USART_STOPBITS(__STOPBITS__) (((__STOPBITS__) == USART_STOPBITS_0_5) || \
  545. ((__STOPBITS__) == USART_STOPBITS_1) || \
  546. ((__STOPBITS__) == USART_STOPBITS_1_5) || \
  547. ((__STOPBITS__) == USART_STOPBITS_2))
  548. /**
  549. * @brief Ensure that USART frame parity is valid.
  550. * @param __PARITY__ USART frame parity.
  551. * @retval SET (__PARITY__ is valid) or RESET (__PARITY__ is invalid)
  552. */
  553. #define IS_USART_PARITY(__PARITY__) (((__PARITY__) == USART_PARITY_NONE) || \
  554. ((__PARITY__) == USART_PARITY_EVEN) || \
  555. ((__PARITY__) == USART_PARITY_ODD))
  556. /**
  557. * @brief Ensure that USART communication mode is valid.
  558. * @param __MODE__ USART communication mode.
  559. * @retval SET (__MODE__ is valid) or RESET (__MODE__ is invalid)
  560. */
  561. #define IS_USART_MODE(__MODE__) ((((__MODE__) & 0xFFFFFFF3U) == 0x00U) && ((__MODE__) != 0x00U))
  562. /**
  563. * @brief Ensure that USART clock state is valid.
  564. * @param __CLOCK__ USART clock state.
  565. * @retval SET (__CLOCK__ is valid) or RESET (__CLOCK__ is invalid)
  566. */
  567. #define IS_USART_CLOCK(__CLOCK__) (((__CLOCK__) == USART_CLOCK_DISABLE) || \
  568. ((__CLOCK__) == USART_CLOCK_ENABLE))
  569. /**
  570. * @brief Ensure that USART frame polarity is valid.
  571. * @param __CPOL__ USART frame polarity.
  572. * @retval SET (__CPOL__ is valid) or RESET (__CPOL__ is invalid)
  573. */
  574. #define IS_USART_POLARITY(__CPOL__) (((__CPOL__) == USART_POLARITY_LOW) || ((__CPOL__) == USART_POLARITY_HIGH))
  575. /**
  576. * @brief Ensure that USART frame phase is valid.
  577. * @param __CPHA__ USART frame phase.
  578. * @retval SET (__CPHA__ is valid) or RESET (__CPHA__ is invalid)
  579. */
  580. #define IS_USART_PHASE(__CPHA__) (((__CPHA__) == USART_PHASE_1EDGE) || ((__CPHA__) == USART_PHASE_2EDGE))
  581. /**
  582. * @brief Ensure that USART frame last bit clock pulse setting is valid.
  583. * @param __LASTBIT__ USART frame last bit clock pulse setting.
  584. * @retval SET (__LASTBIT__ is valid) or RESET (__LASTBIT__ is invalid)
  585. */
  586. #define IS_USART_LASTBIT(__LASTBIT__) (((__LASTBIT__) == USART_LASTBIT_DISABLE) || \
  587. ((__LASTBIT__) == USART_LASTBIT_ENABLE))
  588. /**
  589. * @brief Ensure that USART request parameter is valid.
  590. * @param __PARAM__ USART request parameter.
  591. * @retval SET (__PARAM__ is valid) or RESET (__PARAM__ is invalid)
  592. */
  593. #define IS_USART_REQUEST_PARAMETER(__PARAM__) (((__PARAM__) == USART_RXDATA_FLUSH_REQUEST) || \
  594. ((__PARAM__) == USART_TXDATA_FLUSH_REQUEST))
  595. /**
  596. * @}
  597. */
  598. /* Include USART HAL Extended module */
  599. #include "stm32f3xx_hal_usart_ex.h"
  600. /* Exported functions --------------------------------------------------------*/
  601. /** @addtogroup USART_Exported_Functions USART Exported Functions
  602. * @{
  603. */
  604. /** @addtogroup USART_Exported_Functions_Group1 Initialization and de-initialization functions
  605. * @{
  606. */
  607. /* Initialization and de-initialization functions ****************************/
  608. HAL_StatusTypeDef HAL_USART_Init(USART_HandleTypeDef *husart);
  609. HAL_StatusTypeDef HAL_USART_DeInit(USART_HandleTypeDef *husart);
  610. void HAL_USART_MspInit(USART_HandleTypeDef *husart);
  611. void HAL_USART_MspDeInit(USART_HandleTypeDef *husart);
  612. /* Callbacks Register/UnRegister functions ***********************************/
  613. #if (USE_HAL_USART_REGISTER_CALLBACKS == 1)
  614. HAL_StatusTypeDef HAL_USART_RegisterCallback(USART_HandleTypeDef *husart, HAL_USART_CallbackIDTypeDef CallbackID,
  615. pUSART_CallbackTypeDef pCallback);
  616. HAL_StatusTypeDef HAL_USART_UnRegisterCallback(USART_HandleTypeDef *husart, HAL_USART_CallbackIDTypeDef CallbackID);
  617. #endif /* USE_HAL_USART_REGISTER_CALLBACKS */
  618. /**
  619. * @}
  620. */
  621. /** @addtogroup USART_Exported_Functions_Group2 IO operation functions
  622. * @{
  623. */
  624. /* IO operation functions *****************************************************/
  625. HAL_StatusTypeDef HAL_USART_Transmit(USART_HandleTypeDef *husart, const uint8_t *pTxData, uint16_t Size,
  626. uint32_t Timeout);
  627. HAL_StatusTypeDef HAL_USART_Receive(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size, uint32_t Timeout);
  628. HAL_StatusTypeDef HAL_USART_TransmitReceive(USART_HandleTypeDef *husart, const uint8_t *pTxData, uint8_t *pRxData,
  629. uint16_t Size, uint32_t Timeout);
  630. HAL_StatusTypeDef HAL_USART_Transmit_IT(USART_HandleTypeDef *husart, const uint8_t *pTxData, uint16_t Size);
  631. HAL_StatusTypeDef HAL_USART_Receive_IT(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size);
  632. HAL_StatusTypeDef HAL_USART_TransmitReceive_IT(USART_HandleTypeDef *husart, const uint8_t *pTxData, uint8_t *pRxData,
  633. uint16_t Size);
  634. HAL_StatusTypeDef HAL_USART_Transmit_DMA(USART_HandleTypeDef *husart, const uint8_t *pTxData, uint16_t Size);
  635. HAL_StatusTypeDef HAL_USART_Receive_DMA(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size);
  636. HAL_StatusTypeDef HAL_USART_TransmitReceive_DMA(USART_HandleTypeDef *husart, const uint8_t *pTxData, uint8_t *pRxData,
  637. uint16_t Size);
  638. HAL_StatusTypeDef HAL_USART_DMAPause(USART_HandleTypeDef *husart);
  639. HAL_StatusTypeDef HAL_USART_DMAResume(USART_HandleTypeDef *husart);
  640. HAL_StatusTypeDef HAL_USART_DMAStop(USART_HandleTypeDef *husart);
  641. /* Transfer Abort functions */
  642. HAL_StatusTypeDef HAL_USART_Abort(USART_HandleTypeDef *husart);
  643. HAL_StatusTypeDef HAL_USART_Abort_IT(USART_HandleTypeDef *husart);
  644. void HAL_USART_IRQHandler(USART_HandleTypeDef *husart);
  645. void HAL_USART_TxHalfCpltCallback(USART_HandleTypeDef *husart);
  646. void HAL_USART_TxCpltCallback(USART_HandleTypeDef *husart);
  647. void HAL_USART_RxCpltCallback(USART_HandleTypeDef *husart);
  648. void HAL_USART_RxHalfCpltCallback(USART_HandleTypeDef *husart);
  649. void HAL_USART_TxRxCpltCallback(USART_HandleTypeDef *husart);
  650. void HAL_USART_ErrorCallback(USART_HandleTypeDef *husart);
  651. void HAL_USART_AbortCpltCallback(USART_HandleTypeDef *husart);
  652. /**
  653. * @}
  654. */
  655. /** @addtogroup USART_Exported_Functions_Group4 Peripheral State and Error functions
  656. * @{
  657. */
  658. /* Peripheral State and Error functions ***************************************/
  659. HAL_USART_StateTypeDef HAL_USART_GetState(const USART_HandleTypeDef *husart);
  660. uint32_t HAL_USART_GetError(const USART_HandleTypeDef *husart);
  661. /**
  662. * @}
  663. */
  664. /**
  665. * @}
  666. */
  667. /**
  668. * @}
  669. */
  670. /**
  671. * @}
  672. */
  673. #ifdef __cplusplus
  674. }
  675. #endif
  676. #endif /* STM32F3xx_HAL_USART_H */