stm32g4xx_hal_usart.h 54 KB

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  1. /**
  2. ******************************************************************************
  3. * @file stm32g4xx_hal_usart.h
  4. * @author MCD Application Team
  5. * @brief Header file of USART HAL module.
  6. ******************************************************************************
  7. * @attention
  8. *
  9. * Copyright (c) 2019 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 STM32G4xx_HAL_USART_H
  20. #define STM32G4xx_HAL_USART_H
  21. #ifdef __cplusplus
  22. extern "C" {
  23. #endif
  24. /* Includes ------------------------------------------------------------------*/
  25. #include "stm32g4xx_hal_def.h"
  26. /** @addtogroup STM32G4xx_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 (fclk)
  49. divided by a prescaler.
  50. @note Oversampling by 8 is systematically applied to
  51. achieve high baud rates. */
  52. uint32_t WordLength; /*!< Specifies the number of data bits transmitted or received in a frame.
  53. This parameter can be a value of @ref USARTEx_Word_Length. */
  54. uint32_t StopBits; /*!< Specifies the number of stop bits transmitted.
  55. This parameter can be a value of @ref USART_Stop_Bits. */
  56. uint32_t Parity; /*!< Specifies the parity mode.
  57. This parameter can be a value of @ref USART_Parity
  58. @note When parity is enabled, the computed parity is inserted
  59. at the MSB position of the transmitted data (9th bit when
  60. the word length is set to 9 data bits; 8th bit when the
  61. word length is set to 8 data bits). */
  62. uint32_t Mode; /*!< Specifies whether the Receive or Transmit mode is enabled or disabled.
  63. This parameter can be a value of @ref USART_Mode. */
  64. uint32_t CLKPolarity; /*!< Specifies the steady state of the serial clock.
  65. This parameter can be a value of @ref USART_Clock_Polarity. */
  66. uint32_t CLKPhase; /*!< Specifies the clock transition on which the bit capture is made.
  67. This parameter can be a value of @ref USART_Clock_Phase. */
  68. uint32_t CLKLastBit; /*!< Specifies whether the clock pulse corresponding to the last transmitted
  69. data bit (MSB) has to be output on the SCLK pin in synchronous mode.
  70. This parameter can be a value of @ref USART_Last_Bit. */
  71. uint32_t ClockPrescaler; /*!< Specifies the prescaler value used to divide the USART clock source.
  72. This parameter can be a value of @ref USART_ClockPrescaler. */
  73. } USART_InitTypeDef;
  74. /**
  75. * @brief HAL USART State structures definition
  76. */
  77. typedef enum
  78. {
  79. HAL_USART_STATE_RESET = 0x00U, /*!< Peripheral is not initialized */
  80. HAL_USART_STATE_READY = 0x01U, /*!< Peripheral Initialized and ready for use */
  81. HAL_USART_STATE_BUSY = 0x02U, /*!< an internal process is ongoing */
  82. HAL_USART_STATE_BUSY_TX = 0x12U, /*!< Data Transmission process is ongoing */
  83. HAL_USART_STATE_BUSY_RX = 0x22U, /*!< Data Reception process is ongoing */
  84. HAL_USART_STATE_BUSY_TX_RX = 0x32U, /*!< Data Transmission Reception process is ongoing */
  85. HAL_USART_STATE_TIMEOUT = 0x03U, /*!< Timeout state */
  86. HAL_USART_STATE_ERROR = 0x04U /*!< Error */
  87. } HAL_USART_StateTypeDef;
  88. /**
  89. * @brief USART clock sources definitions
  90. */
  91. typedef enum
  92. {
  93. USART_CLOCKSOURCE_PCLK1 = 0x00U, /*!< PCLK1 clock source */
  94. USART_CLOCKSOURCE_PCLK2 = 0x01U, /*!< PCLK2 clock source */
  95. USART_CLOCKSOURCE_HSI = 0x02U, /*!< HSI clock source */
  96. USART_CLOCKSOURCE_SYSCLK = 0x04U, /*!< SYSCLK clock source */
  97. USART_CLOCKSOURCE_LSE = 0x08U, /*!< LSE clock source */
  98. USART_CLOCKSOURCE_UNDEFINED = 0x10U /*!< Undefined clock source */
  99. } USART_ClockSourceTypeDef;
  100. /**
  101. * @brief USART handle Structure definition
  102. */
  103. typedef struct __USART_HandleTypeDef
  104. {
  105. USART_TypeDef *Instance; /*!< USART registers base address */
  106. USART_InitTypeDef Init; /*!< USART communication parameters */
  107. const uint8_t *pTxBuffPtr; /*!< Pointer to USART Tx transfer Buffer */
  108. uint16_t TxXferSize; /*!< USART Tx Transfer size */
  109. __IO uint16_t TxXferCount; /*!< USART Tx Transfer Counter */
  110. uint8_t *pRxBuffPtr; /*!< Pointer to USART Rx transfer Buffer */
  111. uint16_t RxXferSize; /*!< USART Rx Transfer size */
  112. __IO uint16_t RxXferCount; /*!< USART Rx Transfer Counter */
  113. uint16_t Mask; /*!< USART Rx RDR register mask */
  114. uint16_t NbRxDataToProcess; /*!< Number of data to process during RX ISR execution */
  115. uint16_t NbTxDataToProcess; /*!< Number of data to process during TX ISR execution */
  116. uint32_t SlaveMode; /*!< Enable/Disable USART SPI Slave Mode. This parameter can be a value
  117. of @ref USARTEx_Slave_Mode */
  118. uint32_t FifoMode; /*!< Specifies if the FIFO mode will be used. This parameter can be a value
  119. of @ref USARTEx_FIFO_mode. */
  120. void (*RxISR)(struct __USART_HandleTypeDef *husart); /*!< Function pointer on Rx IRQ handler */
  121. void (*TxISR)(struct __USART_HandleTypeDef *husart); /*!< Function pointer on Tx IRQ handler */
  122. DMA_HandleTypeDef *hdmatx; /*!< USART Tx DMA Handle parameters */
  123. DMA_HandleTypeDef *hdmarx; /*!< USART Rx DMA Handle parameters */
  124. HAL_LockTypeDef Lock; /*!< Locking object */
  125. __IO HAL_USART_StateTypeDef State; /*!< USART communication state */
  126. __IO uint32_t ErrorCode; /*!< USART Error code */
  127. #if (USE_HAL_USART_REGISTER_CALLBACKS == 1)
  128. void (* TxHalfCpltCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Tx Half Complete Callback */
  129. void (* TxCpltCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Tx Complete Callback */
  130. void (* RxHalfCpltCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Rx Half Complete Callback */
  131. void (* RxCpltCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Rx Complete Callback */
  132. void (* TxRxCpltCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Tx Rx Complete Callback */
  133. void (* ErrorCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Error Callback */
  134. void (* AbortCpltCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Abort Complete Callback */
  135. void (* RxFifoFullCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Rx Fifo Full Callback */
  136. void (* TxFifoEmptyCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Tx Fifo Empty Callback */
  137. void (* MspInitCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Msp Init callback */
  138. void (* MspDeInitCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Msp DeInit callback */
  139. #endif /* USE_HAL_USART_REGISTER_CALLBACKS */
  140. } USART_HandleTypeDef;
  141. #if (USE_HAL_USART_REGISTER_CALLBACKS == 1)
  142. /**
  143. * @brief HAL USART Callback ID enumeration definition
  144. */
  145. typedef enum
  146. {
  147. HAL_USART_TX_HALFCOMPLETE_CB_ID = 0x00U, /*!< USART Tx Half Complete Callback ID */
  148. HAL_USART_TX_COMPLETE_CB_ID = 0x01U, /*!< USART Tx Complete Callback ID */
  149. HAL_USART_RX_HALFCOMPLETE_CB_ID = 0x02U, /*!< USART Rx Half Complete Callback ID */
  150. HAL_USART_RX_COMPLETE_CB_ID = 0x03U, /*!< USART Rx Complete Callback ID */
  151. HAL_USART_TX_RX_COMPLETE_CB_ID = 0x04U, /*!< USART Tx Rx Complete Callback ID */
  152. HAL_USART_ERROR_CB_ID = 0x05U, /*!< USART Error Callback ID */
  153. HAL_USART_ABORT_COMPLETE_CB_ID = 0x06U, /*!< USART Abort Complete Callback ID */
  154. HAL_USART_RX_FIFO_FULL_CB_ID = 0x07U, /*!< USART Rx Fifo Full Callback ID */
  155. HAL_USART_TX_FIFO_EMPTY_CB_ID = 0x08U, /*!< USART Tx Fifo Empty Callback ID */
  156. HAL_USART_MSPINIT_CB_ID = 0x09U, /*!< USART MspInit callback ID */
  157. HAL_USART_MSPDEINIT_CB_ID = 0x0AU /*!< USART MspDeInit callback ID */
  158. } HAL_USART_CallbackIDTypeDef;
  159. /**
  160. * @brief HAL USART Callback pointer definition
  161. */
  162. typedef void (*pUSART_CallbackTypeDef)(USART_HandleTypeDef *husart); /*!< pointer to an USART callback function */
  163. #endif /* USE_HAL_USART_REGISTER_CALLBACKS */
  164. /**
  165. * @}
  166. */
  167. /* Exported constants --------------------------------------------------------*/
  168. /** @defgroup USART_Exported_Constants USART Exported Constants
  169. * @{
  170. */
  171. /** @defgroup USART_Error_Definition USART Error Definition
  172. * @{
  173. */
  174. #define HAL_USART_ERROR_NONE (0x00000000U) /*!< No error */
  175. #define HAL_USART_ERROR_PE (0x00000001U) /*!< Parity error */
  176. #define HAL_USART_ERROR_NE (0x00000002U) /*!< Noise error */
  177. #define HAL_USART_ERROR_FE (0x00000004U) /*!< Frame error */
  178. #define HAL_USART_ERROR_ORE (0x00000008U) /*!< Overrun error */
  179. #define HAL_USART_ERROR_DMA (0x00000010U) /*!< DMA transfer error */
  180. #define HAL_USART_ERROR_UDR (0x00000020U) /*!< SPI slave underrun error */
  181. #if (USE_HAL_USART_REGISTER_CALLBACKS == 1)
  182. #define HAL_USART_ERROR_INVALID_CALLBACK (0x00000040U) /*!< Invalid Callback error */
  183. #endif /* USE_HAL_USART_REGISTER_CALLBACKS */
  184. #define HAL_USART_ERROR_RTO (0x00000080U) /*!< Receiver Timeout error */
  185. /**
  186. * @}
  187. */
  188. /** @defgroup USART_Stop_Bits USART Number of Stop Bits
  189. * @{
  190. */
  191. #define USART_STOPBITS_0_5 USART_CR2_STOP_0 /*!< USART frame with 0.5 stop bit */
  192. #define USART_STOPBITS_1 0x00000000U /*!< USART frame with 1 stop bit */
  193. #define USART_STOPBITS_1_5 (USART_CR2_STOP_0 | USART_CR2_STOP_1) /*!< USART frame with 1.5 stop bits */
  194. #define USART_STOPBITS_2 USART_CR2_STOP_1 /*!< USART frame with 2 stop bits */
  195. /**
  196. * @}
  197. */
  198. /** @defgroup USART_Parity USART Parity
  199. * @{
  200. */
  201. #define USART_PARITY_NONE 0x00000000U /*!< No parity */
  202. #define USART_PARITY_EVEN USART_CR1_PCE /*!< Even parity */
  203. #define USART_PARITY_ODD (USART_CR1_PCE | USART_CR1_PS) /*!< Odd parity */
  204. /**
  205. * @}
  206. */
  207. /** @defgroup USART_Mode USART Mode
  208. * @{
  209. */
  210. #define USART_MODE_RX USART_CR1_RE /*!< RX mode */
  211. #define USART_MODE_TX USART_CR1_TE /*!< TX mode */
  212. #define USART_MODE_TX_RX (USART_CR1_TE |USART_CR1_RE) /*!< RX and TX mode */
  213. /**
  214. * @}
  215. */
  216. /** @defgroup USART_Clock USART Clock
  217. * @{
  218. */
  219. #define USART_CLOCK_DISABLE 0x00000000U /*!< USART clock disable */
  220. #define USART_CLOCK_ENABLE USART_CR2_CLKEN /*!< USART clock enable */
  221. /**
  222. * @}
  223. */
  224. /** @defgroup USART_Clock_Polarity USART Clock Polarity
  225. * @{
  226. */
  227. #define USART_POLARITY_LOW 0x00000000U /*!< Driver enable signal is active high */
  228. #define USART_POLARITY_HIGH USART_CR2_CPOL /*!< Driver enable signal is active low */
  229. /**
  230. * @}
  231. */
  232. /** @defgroup USART_Clock_Phase USART Clock Phase
  233. * @{
  234. */
  235. #define USART_PHASE_1EDGE 0x00000000U /*!< USART frame phase on first clock transition */
  236. #define USART_PHASE_2EDGE USART_CR2_CPHA /*!< USART frame phase on second clock transition */
  237. /**
  238. * @}
  239. */
  240. /** @defgroup USART_Last_Bit USART Last Bit
  241. * @{
  242. */
  243. #define USART_LASTBIT_DISABLE 0x00000000U /*!< USART frame last data bit clock pulse not output to SCLK pin */
  244. #define USART_LASTBIT_ENABLE USART_CR2_LBCL /*!< USART frame last data bit clock pulse output to SCLK pin */
  245. /**
  246. * @}
  247. */
  248. /** @defgroup USART_ClockPrescaler USART Clock Prescaler
  249. * @{
  250. */
  251. #define USART_PRESCALER_DIV1 0x00000000U /*!< fclk_pres = fclk */
  252. #define USART_PRESCALER_DIV2 0x00000001U /*!< fclk_pres = fclk/2 */
  253. #define USART_PRESCALER_DIV4 0x00000002U /*!< fclk_pres = fclk/4 */
  254. #define USART_PRESCALER_DIV6 0x00000003U /*!< fclk_pres = fclk/6 */
  255. #define USART_PRESCALER_DIV8 0x00000004U /*!< fclk_pres = fclk/8 */
  256. #define USART_PRESCALER_DIV10 0x00000005U /*!< fclk_pres = fclk/10 */
  257. #define USART_PRESCALER_DIV12 0x00000006U /*!< fclk_pres = fclk/12 */
  258. #define USART_PRESCALER_DIV16 0x00000007U /*!< fclk_pres = fclk/16 */
  259. #define USART_PRESCALER_DIV32 0x00000008U /*!< fclk_pres = fclk/32 */
  260. #define USART_PRESCALER_DIV64 0x00000009U /*!< fclk_pres = fclk/64 */
  261. #define USART_PRESCALER_DIV128 0x0000000AU /*!< fclk_pres = fclk/128 */
  262. #define USART_PRESCALER_DIV256 0x0000000BU /*!< fclk_pres = fclk/256 */
  263. /**
  264. * @}
  265. */
  266. /** @defgroup USART_Request_Parameters USART Request Parameters
  267. * @{
  268. */
  269. #define USART_RXDATA_FLUSH_REQUEST USART_RQR_RXFRQ /*!< Receive Data flush Request */
  270. #define USART_TXDATA_FLUSH_REQUEST USART_RQR_TXFRQ /*!< Transmit data flush Request */
  271. /**
  272. * @}
  273. */
  274. /** @defgroup USART_Flags USART Flags
  275. * Elements values convention: 0xXXXX
  276. * - 0xXXXX : Flag mask in the ISR register
  277. * @{
  278. */
  279. #define USART_FLAG_TXFT USART_ISR_TXFT /*!< USART TXFIFO threshold flag */
  280. #define USART_FLAG_RXFT USART_ISR_RXFT /*!< USART RXFIFO threshold flag */
  281. #define USART_FLAG_RXFF USART_ISR_RXFF /*!< USART RXFIFO Full flag */
  282. #define USART_FLAG_TXFE USART_ISR_TXFE /*!< USART TXFIFO Empty flag */
  283. #define USART_FLAG_REACK USART_ISR_REACK /*!< USART receive enable acknowledge flag */
  284. #define USART_FLAG_TEACK USART_ISR_TEACK /*!< USART transmit enable acknowledge flag */
  285. #define USART_FLAG_BUSY USART_ISR_BUSY /*!< USART busy flag */
  286. #define USART_FLAG_UDR USART_ISR_UDR /*!< SPI slave underrun error flag */
  287. #define USART_FLAG_TXE USART_ISR_TXE_TXFNF /*!< USART transmit data register empty */
  288. #define USART_FLAG_TXFNF USART_ISR_TXE_TXFNF /*!< USART TXFIFO not full */
  289. #define USART_FLAG_RTOF USART_ISR_RTOF /*!< USART receiver timeout flag */
  290. #define USART_FLAG_TC USART_ISR_TC /*!< USART transmission complete */
  291. #define USART_FLAG_RXNE USART_ISR_RXNE_RXFNE /*!< USART read data register not empty */
  292. #define USART_FLAG_RXFNE USART_ISR_RXNE_RXFNE /*!< USART RXFIFO not empty */
  293. #define USART_FLAG_IDLE USART_ISR_IDLE /*!< USART idle flag */
  294. #define USART_FLAG_ORE USART_ISR_ORE /*!< USART overrun error */
  295. #define USART_FLAG_NE USART_ISR_NE /*!< USART noise error */
  296. #define USART_FLAG_FE USART_ISR_FE /*!< USART frame error */
  297. #define USART_FLAG_PE USART_ISR_PE /*!< USART parity error */
  298. /**
  299. * @}
  300. */
  301. /** @defgroup USART_Interrupt_definition USART Interrupts Definition
  302. * Elements values convention: 0000ZZZZ0XXYYYYYb
  303. * - YYYYY : Interrupt source position in the XX register (5bits)
  304. * - XX : Interrupt source register (2bits)
  305. * - 01: CR1 register
  306. * - 10: CR2 register
  307. * - 11: CR3 register
  308. * - ZZZZ : Flag position in the ISR register(4bits)
  309. * @{
  310. */
  311. #define USART_IT_PE 0x0028U /*!< USART parity error interruption */
  312. #define USART_IT_TXE 0x0727U /*!< USART transmit data register empty interruption */
  313. #define USART_IT_TXFNF 0x0727U /*!< USART TX FIFO not full interruption */
  314. #define USART_IT_TC 0x0626U /*!< USART transmission complete interruption */
  315. #define USART_IT_RXNE 0x0525U /*!< USART read data register not empty interruption */
  316. #define USART_IT_RXFNE 0x0525U /*!< USART RXFIFO not empty interruption */
  317. #define USART_IT_IDLE 0x0424U /*!< USART idle interruption */
  318. #define USART_IT_ERR 0x0060U /*!< USART error interruption */
  319. #define USART_IT_ORE 0x0300U /*!< USART overrun error interruption */
  320. #define USART_IT_NE 0x0200U /*!< USART noise error interruption */
  321. #define USART_IT_FE 0x0100U /*!< USART frame error interruption */
  322. #define USART_IT_RXFF 0x183FU /*!< USART RXFIFO full interruption */
  323. #define USART_IT_TXFE 0x173EU /*!< USART TXFIFO empty interruption */
  324. #define USART_IT_RXFT 0x1A7CU /*!< USART RXFIFO threshold reached interruption */
  325. #define USART_IT_TXFT 0x1B77U /*!< USART TXFIFO threshold reached interruption */
  326. /**
  327. * @}
  328. */
  329. /** @defgroup USART_IT_CLEAR_Flags USART Interruption Clear Flags
  330. * @{
  331. */
  332. #define USART_CLEAR_PEF USART_ICR_PECF /*!< Parity Error Clear Flag */
  333. #define USART_CLEAR_FEF USART_ICR_FECF /*!< Framing Error Clear Flag */
  334. #define USART_CLEAR_NEF USART_ICR_NECF /*!< Noise Error detected Clear Flag */
  335. #define USART_CLEAR_OREF USART_ICR_ORECF /*!< OverRun Error Clear Flag */
  336. #define USART_CLEAR_IDLEF USART_ICR_IDLECF /*!< IDLE line detected Clear Flag */
  337. #define USART_CLEAR_TCF USART_ICR_TCCF /*!< Transmission Complete Clear Flag */
  338. #define USART_CLEAR_UDRF USART_ICR_UDRCF /*!< SPI slave underrun error Clear Flag */
  339. #define USART_CLEAR_TXFECF USART_ICR_TXFECF /*!< TXFIFO Empty Clear Flag */
  340. #define USART_CLEAR_RTOF USART_ICR_RTOCF /*!< USART receiver timeout clear flag */
  341. /**
  342. * @}
  343. */
  344. /** @defgroup USART_Interruption_Mask USART Interruption Flags Mask
  345. * @{
  346. */
  347. #define USART_IT_MASK 0x001FU /*!< USART interruptions flags mask */
  348. #define USART_CR_MASK 0x00E0U /*!< USART control register mask */
  349. #define USART_CR_POS 5U /*!< USART control register position */
  350. #define USART_ISR_MASK 0x1F00U /*!< USART ISR register mask */
  351. #define USART_ISR_POS 8U /*!< USART ISR register position */
  352. /**
  353. * @}
  354. */
  355. /**
  356. * @}
  357. */
  358. /* Exported macros -----------------------------------------------------------*/
  359. /** @defgroup USART_Exported_Macros USART Exported Macros
  360. * @{
  361. */
  362. /** @brief Reset USART handle state.
  363. * @param __HANDLE__ USART handle.
  364. * @retval None
  365. */
  366. #if (USE_HAL_USART_REGISTER_CALLBACKS == 1)
  367. #define __HAL_USART_RESET_HANDLE_STATE(__HANDLE__) do{ \
  368. (__HANDLE__)->State = HAL_USART_STATE_RESET; \
  369. (__HANDLE__)->MspInitCallback = NULL; \
  370. (__HANDLE__)->MspDeInitCallback = NULL; \
  371. } while(0U)
  372. #else
  373. #define __HAL_USART_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_USART_STATE_RESET)
  374. #endif /* USE_HAL_USART_REGISTER_CALLBACKS */
  375. /** @brief Check whether the specified USART flag is set or not.
  376. * @param __HANDLE__ specifies the USART Handle
  377. * @param __FLAG__ specifies the flag to check.
  378. * This parameter can be one of the following values:
  379. * @arg @ref USART_FLAG_TXFT TXFIFO threshold flag
  380. * @arg @ref USART_FLAG_RXFT RXFIFO threshold flag
  381. * @arg @ref USART_FLAG_RXFF RXFIFO Full flag
  382. * @arg @ref USART_FLAG_TXFE TXFIFO Empty flag
  383. * @arg @ref USART_FLAG_REACK Receive enable acknowledge flag
  384. * @arg @ref USART_FLAG_TEACK Transmit enable acknowledge flag
  385. * @arg @ref USART_FLAG_BUSY Busy flag
  386. * @arg @ref USART_FLAG_UDR SPI slave underrun error flag
  387. * @arg @ref USART_FLAG_TXE Transmit data register empty flag
  388. * @arg @ref USART_FLAG_TXFNF TXFIFO not full flag
  389. * @arg @ref USART_FLAG_TC Transmission Complete flag
  390. * @arg @ref USART_FLAG_RXNE Receive data register not empty flag
  391. * @arg @ref USART_FLAG_RXFNE RXFIFO not empty flag
  392. * @arg @ref USART_FLAG_RTOF Receiver Timeout flag
  393. * @arg @ref USART_FLAG_IDLE Idle Line detection flag
  394. * @arg @ref USART_FLAG_ORE OverRun Error flag
  395. * @arg @ref USART_FLAG_NE Noise Error flag
  396. * @arg @ref USART_FLAG_FE Framing Error flag
  397. * @arg @ref USART_FLAG_PE Parity Error flag
  398. * @retval The new state of __FLAG__ (TRUE or FALSE).
  399. */
  400. #define __HAL_USART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->ISR & (__FLAG__)) == (__FLAG__))
  401. /** @brief Clear the specified USART pending flag.
  402. * @param __HANDLE__ specifies the USART Handle.
  403. * @param __FLAG__ specifies the flag to check.
  404. * This parameter can be any combination of the following values:
  405. * @arg @ref USART_CLEAR_PEF Parity Error Clear Flag
  406. * @arg @ref USART_CLEAR_FEF Framing Error Clear Flag
  407. * @arg @ref USART_CLEAR_NEF Noise detected Clear Flag
  408. * @arg @ref USART_CLEAR_OREF Overrun Error Clear Flag
  409. * @arg @ref USART_CLEAR_IDLEF IDLE line detected Clear Flag
  410. * @arg @ref USART_CLEAR_TXFECF TXFIFO empty clear Flag
  411. * @arg @ref USART_CLEAR_TCF Transmission Complete Clear Flag
  412. * @arg @ref USART_CLEAR_RTOF Receiver Timeout clear flag
  413. * @arg @ref USART_CLEAR_UDRF SPI slave underrun error Clear Flag
  414. * @retval None
  415. */
  416. #define __HAL_USART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->ICR = (__FLAG__))
  417. /** @brief Clear the USART PE pending flag.
  418. * @param __HANDLE__ specifies the USART Handle.
  419. * @retval None
  420. */
  421. #define __HAL_USART_CLEAR_PEFLAG(__HANDLE__) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_PEF)
  422. /** @brief Clear the USART FE pending flag.
  423. * @param __HANDLE__ specifies the USART Handle.
  424. * @retval None
  425. */
  426. #define __HAL_USART_CLEAR_FEFLAG(__HANDLE__) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_FEF)
  427. /** @brief Clear the USART NE pending flag.
  428. * @param __HANDLE__ specifies the USART Handle.
  429. * @retval None
  430. */
  431. #define __HAL_USART_CLEAR_NEFLAG(__HANDLE__) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_NEF)
  432. /** @brief Clear the USART ORE pending flag.
  433. * @param __HANDLE__ specifies the USART Handle.
  434. * @retval None
  435. */
  436. #define __HAL_USART_CLEAR_OREFLAG(__HANDLE__) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_OREF)
  437. /** @brief Clear the USART IDLE pending flag.
  438. * @param __HANDLE__ specifies the USART Handle.
  439. * @retval None
  440. */
  441. #define __HAL_USART_CLEAR_IDLEFLAG(__HANDLE__) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_IDLEF)
  442. /** @brief Clear the USART TX FIFO empty clear flag.
  443. * @param __HANDLE__ specifies the USART Handle.
  444. * @retval None
  445. */
  446. #define __HAL_USART_CLEAR_TXFECF(__HANDLE__) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_TXFECF)
  447. /** @brief Clear SPI slave underrun error flag.
  448. * @param __HANDLE__ specifies the USART Handle.
  449. * @retval None
  450. */
  451. #define __HAL_USART_CLEAR_UDRFLAG(__HANDLE__) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_UDRF)
  452. /** @brief Enable the specified USART interrupt.
  453. * @param __HANDLE__ specifies the USART Handle.
  454. * @param __INTERRUPT__ specifies the USART interrupt source to enable.
  455. * This parameter can be one of the following values:
  456. * @arg @ref USART_IT_RXFF RXFIFO Full interrupt
  457. * @arg @ref USART_IT_TXFE TXFIFO Empty interrupt
  458. * @arg @ref USART_IT_RXFT RXFIFO threshold interrupt
  459. * @arg @ref USART_IT_TXFT TXFIFO threshold interrupt
  460. * @arg @ref USART_IT_TXE Transmit Data Register empty interrupt
  461. * @arg @ref USART_IT_TXFNF TX FIFO not full interrupt
  462. * @arg @ref USART_IT_TC Transmission complete interrupt
  463. * @arg @ref USART_IT_RXNE Receive Data register not empty interrupt
  464. * @arg @ref USART_IT_RXFNE RXFIFO not empty interrupt
  465. * @arg @ref USART_IT_IDLE Idle line detection interrupt
  466. * @arg @ref USART_IT_PE Parity Error interrupt
  467. * @arg @ref USART_IT_ERR Error interrupt(Frame error, noise error, overrun error)
  468. * @retval None
  469. */
  470. #define __HAL_USART_ENABLE_IT(__HANDLE__, __INTERRUPT__)\
  471. (((((__INTERRUPT__) & USART_CR_MASK) >> USART_CR_POS) == 1U)?\
  472. ((__HANDLE__)->Instance->CR1 |= (1U << ((__INTERRUPT__) & USART_IT_MASK))): \
  473. ((((__INTERRUPT__) & USART_CR_MASK) >> USART_CR_POS) == 2U)?\
  474. ((__HANDLE__)->Instance->CR2 |= (1U << ((__INTERRUPT__) & USART_IT_MASK))): \
  475. ((__HANDLE__)->Instance->CR3 |= (1U << ((__INTERRUPT__) & USART_IT_MASK))))
  476. /** @brief Disable the specified USART interrupt.
  477. * @param __HANDLE__ specifies the USART Handle.
  478. * @param __INTERRUPT__ specifies the USART interrupt source to disable.
  479. * This parameter can be one of the following values:
  480. * @arg @ref USART_IT_RXFF RXFIFO Full interrupt
  481. * @arg @ref USART_IT_TXFE TXFIFO Empty interrupt
  482. * @arg @ref USART_IT_RXFT RXFIFO threshold interrupt
  483. * @arg @ref USART_IT_TXFT TXFIFO threshold interrupt
  484. * @arg @ref USART_IT_TXE Transmit Data Register empty interrupt
  485. * @arg @ref USART_IT_TXFNF TX FIFO not full interrupt
  486. * @arg @ref USART_IT_TC Transmission complete interrupt
  487. * @arg @ref USART_IT_RXNE Receive Data register not empty interrupt
  488. * @arg @ref USART_IT_RXFNE RXFIFO not empty interrupt
  489. * @arg @ref USART_IT_IDLE Idle line detection interrupt
  490. * @arg @ref USART_IT_PE Parity Error interrupt
  491. * @arg @ref USART_IT_ERR Error interrupt(Frame error, noise error, overrun error)
  492. * @retval None
  493. */
  494. #define __HAL_USART_DISABLE_IT(__HANDLE__, __INTERRUPT__)\
  495. (((((__INTERRUPT__) & USART_CR_MASK) >> USART_CR_POS) == 1U)?\
  496. ((__HANDLE__)->Instance->CR1 &= ~ (1U << ((__INTERRUPT__) & USART_IT_MASK))): \
  497. ((((__INTERRUPT__) & USART_CR_MASK) >> USART_CR_POS) == 2U)?\
  498. ((__HANDLE__)->Instance->CR2 &= ~ (1U << ((__INTERRUPT__) & USART_IT_MASK))): \
  499. ((__HANDLE__)->Instance->CR3 &= ~ (1U << ((__INTERRUPT__) & USART_IT_MASK))))
  500. /** @brief Check whether the specified USART interrupt has occurred or not.
  501. * @param __HANDLE__ specifies the USART Handle.
  502. * @param __INTERRUPT__ specifies the USART interrupt source to check.
  503. * This parameter can be one of the following values:
  504. * @arg @ref USART_IT_RXFF RXFIFO Full interrupt
  505. * @arg @ref USART_IT_TXFE TXFIFO Empty interrupt
  506. * @arg @ref USART_IT_RXFT RXFIFO threshold interrupt
  507. * @arg @ref USART_IT_TXFT TXFIFO threshold interrupt
  508. * @arg @ref USART_IT_TXE Transmit Data Register empty interrupt
  509. * @arg @ref USART_IT_TXFNF TX FIFO not full interrupt
  510. * @arg @ref USART_IT_TC Transmission complete interrupt
  511. * @arg @ref USART_IT_RXNE Receive Data register not empty interrupt
  512. * @arg @ref USART_IT_RXFNE RXFIFO not empty interrupt
  513. * @arg @ref USART_IT_IDLE Idle line detection interrupt
  514. * @arg @ref USART_IT_ORE OverRun Error interrupt
  515. * @arg @ref USART_IT_NE Noise Error interrupt
  516. * @arg @ref USART_IT_FE Framing Error interrupt
  517. * @arg @ref USART_IT_PE Parity Error interrupt
  518. * @retval The new state of __INTERRUPT__ (SET or RESET).
  519. */
  520. #define __HAL_USART_GET_IT(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->ISR\
  521. & (0x01U << (((__INTERRUPT__) & USART_ISR_MASK)>>\
  522. USART_ISR_POS))) != 0U) ? SET : RESET)
  523. /** @brief Check whether the specified USART interrupt source is enabled or not.
  524. * @param __HANDLE__ specifies the USART Handle.
  525. * @param __INTERRUPT__ specifies the USART interrupt source to check.
  526. * This parameter can be one of the following values:
  527. * @arg @ref USART_IT_RXFF RXFIFO Full interrupt
  528. * @arg @ref USART_IT_TXFE TXFIFO Empty interrupt
  529. * @arg @ref USART_IT_RXFT RXFIFO threshold interrupt
  530. * @arg @ref USART_IT_TXFT TXFIFO threshold interrupt
  531. * @arg @ref USART_IT_TXE Transmit Data Register empty interrupt
  532. * @arg @ref USART_IT_TXFNF TX FIFO not full interrupt
  533. * @arg @ref USART_IT_TC Transmission complete interrupt
  534. * @arg @ref USART_IT_RXNE Receive Data register not empty interrupt
  535. * @arg @ref USART_IT_RXFNE RXFIFO not empty interrupt
  536. * @arg @ref USART_IT_IDLE Idle line detection interrupt
  537. * @arg @ref USART_IT_ORE OverRun Error interrupt
  538. * @arg @ref USART_IT_NE Noise Error interrupt
  539. * @arg @ref USART_IT_FE Framing Error interrupt
  540. * @arg @ref USART_IT_PE Parity Error interrupt
  541. * @retval The new state of __INTERRUPT__ (SET or RESET).
  542. */
  543. #define __HAL_USART_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((((((uint8_t)(__INTERRUPT__)) >> 0x05U) == 0x01U) ?\
  544. (__HANDLE__)->Instance->CR1 : \
  545. (((((uint8_t)(__INTERRUPT__)) >> 0x05U) == 0x02U) ?\
  546. (__HANDLE__)->Instance->CR2 : \
  547. (__HANDLE__)->Instance->CR3)) & (0x01U <<\
  548. (((uint16_t)(__INTERRUPT__)) &\
  549. USART_IT_MASK))) != 0U) ? SET : RESET)
  550. /** @brief Clear the specified USART ISR flag, in setting the proper ICR register flag.
  551. * @param __HANDLE__ specifies the USART Handle.
  552. * @param __IT_CLEAR__ specifies the interrupt clear register flag that needs to be set
  553. * to clear the corresponding interrupt.
  554. * This parameter can be one of the following values:
  555. * @arg @ref USART_CLEAR_PEF Parity Error Clear Flag
  556. * @arg @ref USART_CLEAR_FEF Framing Error Clear Flag
  557. * @arg @ref USART_CLEAR_NEF Noise detected Clear Flag
  558. * @arg @ref USART_CLEAR_OREF Overrun Error Clear Flag
  559. * @arg @ref USART_CLEAR_IDLEF IDLE line detected Clear Flag
  560. * @arg @ref USART_CLEAR_RTOF Receiver timeout clear flag
  561. * @arg @ref USART_CLEAR_TXFECF TXFIFO empty clear Flag
  562. * @arg @ref USART_CLEAR_TCF Transmission Complete Clear Flag
  563. * @retval None
  564. */
  565. #define __HAL_USART_CLEAR_IT(__HANDLE__, __IT_CLEAR__) ((__HANDLE__)->Instance->ICR = (uint32_t)(__IT_CLEAR__))
  566. /** @brief Set a specific USART request flag.
  567. * @param __HANDLE__ specifies the USART Handle.
  568. * @param __REQ__ specifies the request flag to set.
  569. * This parameter can be one of the following values:
  570. * @arg @ref USART_RXDATA_FLUSH_REQUEST Receive Data flush Request
  571. * @arg @ref USART_TXDATA_FLUSH_REQUEST Transmit data flush Request
  572. *
  573. * @retval None
  574. */
  575. #define __HAL_USART_SEND_REQ(__HANDLE__, __REQ__) ((__HANDLE__)->Instance->RQR |= (uint16_t)(__REQ__))
  576. /** @brief Enable the USART one bit sample method.
  577. * @param __HANDLE__ specifies the USART Handle.
  578. * @retval None
  579. */
  580. #define __HAL_USART_ONE_BIT_SAMPLE_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3|= USART_CR3_ONEBIT)
  581. /** @brief Disable the USART one bit sample method.
  582. * @param __HANDLE__ specifies the USART Handle.
  583. * @retval None
  584. */
  585. #define __HAL_USART_ONE_BIT_SAMPLE_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 &= ~USART_CR3_ONEBIT)
  586. /** @brief Enable USART.
  587. * @param __HANDLE__ specifies the USART Handle.
  588. * @retval None
  589. */
  590. #define __HAL_USART_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 |= USART_CR1_UE)
  591. /** @brief Disable USART.
  592. * @param __HANDLE__ specifies the USART Handle.
  593. * @retval None
  594. */
  595. #define __HAL_USART_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 &= ~USART_CR1_UE)
  596. /**
  597. * @}
  598. */
  599. /* Private macros --------------------------------------------------------*/
  600. /** @defgroup USART_Private_Macros USART Private Macros
  601. * @{
  602. */
  603. /** @brief Get USART clock division factor from clock prescaler value.
  604. * @param __CLOCKPRESCALER__ USART prescaler value.
  605. * @retval USART clock division factor
  606. */
  607. #define USART_GET_DIV_FACTOR(__CLOCKPRESCALER__) \
  608. (((__CLOCKPRESCALER__) == USART_PRESCALER_DIV1) ? 1U : \
  609. ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV2) ? 2U : \
  610. ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV4) ? 4U : \
  611. ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV6) ? 6U : \
  612. ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV8) ? 8U : \
  613. ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV10) ? 10U : \
  614. ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV12) ? 12U : \
  615. ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV16) ? 16U : \
  616. ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV32) ? 32U : \
  617. ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV64) ? 64U : \
  618. ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV128) ? 128U : 256U)
  619. /** @brief BRR division operation to set BRR register in 8-bit oversampling mode.
  620. * @param __PCLK__ USART clock.
  621. * @param __BAUD__ Baud rate set by the user.
  622. * @param __CLOCKPRESCALER__ USART prescaler value.
  623. * @retval Division result
  624. */
  625. #define USART_DIV_SAMPLING8(__PCLK__, __BAUD__, __CLOCKPRESCALER__)\
  626. (((((__PCLK__)/USART_GET_DIV_FACTOR(__CLOCKPRESCALER__))*2U)\
  627. + ((__BAUD__)/2U)) / (__BAUD__))
  628. /** @brief Report the USART clock source.
  629. * @param __HANDLE__ specifies the USART Handle.
  630. * @param __CLOCKSOURCE__ output variable.
  631. * @retval the USART clocking source, written in __CLOCKSOURCE__.
  632. */
  633. #if defined(USART3)
  634. #define USART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \
  635. do { \
  636. if((__HANDLE__)->Instance == USART1) \
  637. { \
  638. switch(__HAL_RCC_GET_USART1_SOURCE()) \
  639. { \
  640. case RCC_USART1CLKSOURCE_PCLK2: \
  641. (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK2; \
  642. break; \
  643. case RCC_USART1CLKSOURCE_HSI: \
  644. (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \
  645. break; \
  646. case RCC_USART1CLKSOURCE_SYSCLK: \
  647. (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \
  648. break; \
  649. case RCC_USART1CLKSOURCE_LSE: \
  650. (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \
  651. break; \
  652. default: \
  653. (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \
  654. break; \
  655. } \
  656. } \
  657. else if((__HANDLE__)->Instance == USART2) \
  658. { \
  659. switch(__HAL_RCC_GET_USART2_SOURCE()) \
  660. { \
  661. case RCC_USART2CLKSOURCE_PCLK1: \
  662. (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
  663. break; \
  664. case RCC_USART2CLKSOURCE_HSI: \
  665. (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \
  666. break; \
  667. case RCC_USART2CLKSOURCE_SYSCLK: \
  668. (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \
  669. break; \
  670. case RCC_USART2CLKSOURCE_LSE: \
  671. (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \
  672. break; \
  673. default: \
  674. (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \
  675. break; \
  676. } \
  677. } \
  678. else if((__HANDLE__)->Instance == USART3) \
  679. { \
  680. switch(__HAL_RCC_GET_USART3_SOURCE()) \
  681. { \
  682. case RCC_USART3CLKSOURCE_PCLK1: \
  683. (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
  684. break; \
  685. case RCC_USART3CLKSOURCE_HSI: \
  686. (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \
  687. break; \
  688. case RCC_USART3CLKSOURCE_SYSCLK: \
  689. (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \
  690. break; \
  691. case RCC_USART3CLKSOURCE_LSE: \
  692. (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \
  693. break; \
  694. default: \
  695. (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \
  696. break; \
  697. } \
  698. } \
  699. else \
  700. { \
  701. (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \
  702. } \
  703. } while(0)
  704. #else
  705. #define USART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \
  706. do { \
  707. if((__HANDLE__)->Instance == USART1) \
  708. { \
  709. switch(__HAL_RCC_GET_USART1_SOURCE()) \
  710. { \
  711. case RCC_USART1CLKSOURCE_PCLK2: \
  712. (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK2; \
  713. break; \
  714. case RCC_USART1CLKSOURCE_HSI: \
  715. (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \
  716. break; \
  717. case RCC_USART1CLKSOURCE_SYSCLK: \
  718. (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \
  719. break; \
  720. case RCC_USART1CLKSOURCE_LSE: \
  721. (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \
  722. break; \
  723. default: \
  724. (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \
  725. break; \
  726. } \
  727. } \
  728. else if((__HANDLE__)->Instance == USART2) \
  729. { \
  730. switch(__HAL_RCC_GET_USART2_SOURCE()) \
  731. { \
  732. case RCC_USART2CLKSOURCE_PCLK1: \
  733. (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
  734. break; \
  735. case RCC_USART2CLKSOURCE_HSI: \
  736. (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \
  737. break; \
  738. case RCC_USART2CLKSOURCE_SYSCLK: \
  739. (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \
  740. break; \
  741. case RCC_USART2CLKSOURCE_LSE: \
  742. (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \
  743. break; \
  744. default: \
  745. (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \
  746. break; \
  747. } \
  748. } \
  749. else \
  750. { \
  751. (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \
  752. } \
  753. } while(0)
  754. #endif /* USART3 */
  755. /** @brief Check USART Baud rate.
  756. * @param __BAUDRATE__ Baudrate specified by the user.
  757. * The maximum Baud Rate is derived from the maximum clock on G4 (i.e. 150 MHz)
  758. * divided by the smallest oversampling used on the USART (i.e. 8)
  759. * @retval SET (__BAUDRATE__ is valid) or RESET (__BAUDRATE__ is invalid) */
  760. #define IS_USART_BAUDRATE(__BAUDRATE__) ((__BAUDRATE__) <= 18750000U)
  761. /**
  762. * @brief Ensure that USART frame number of stop bits is valid.
  763. * @param __STOPBITS__ USART frame number of stop bits.
  764. * @retval SET (__STOPBITS__ is valid) or RESET (__STOPBITS__ is invalid)
  765. */
  766. #define IS_USART_STOPBITS(__STOPBITS__) (((__STOPBITS__) == USART_STOPBITS_0_5) || \
  767. ((__STOPBITS__) == USART_STOPBITS_1) || \
  768. ((__STOPBITS__) == USART_STOPBITS_1_5) || \
  769. ((__STOPBITS__) == USART_STOPBITS_2))
  770. /**
  771. * @brief Ensure that USART frame parity is valid.
  772. * @param __PARITY__ USART frame parity.
  773. * @retval SET (__PARITY__ is valid) or RESET (__PARITY__ is invalid)
  774. */
  775. #define IS_USART_PARITY(__PARITY__) (((__PARITY__) == USART_PARITY_NONE) || \
  776. ((__PARITY__) == USART_PARITY_EVEN) || \
  777. ((__PARITY__) == USART_PARITY_ODD))
  778. /**
  779. * @brief Ensure that USART communication mode is valid.
  780. * @param __MODE__ USART communication mode.
  781. * @retval SET (__MODE__ is valid) or RESET (__MODE__ is invalid)
  782. */
  783. #define IS_USART_MODE(__MODE__) ((((__MODE__) & 0xFFFFFFF3U) == 0x00U) && ((__MODE__) != 0x00U))
  784. /**
  785. * @brief Ensure that USART clock state is valid.
  786. * @param __CLOCK__ USART clock state.
  787. * @retval SET (__CLOCK__ is valid) or RESET (__CLOCK__ is invalid)
  788. */
  789. #define IS_USART_CLOCK(__CLOCK__) (((__CLOCK__) == USART_CLOCK_DISABLE) || \
  790. ((__CLOCK__) == USART_CLOCK_ENABLE))
  791. /**
  792. * @brief Ensure that USART frame polarity is valid.
  793. * @param __CPOL__ USART frame polarity.
  794. * @retval SET (__CPOL__ is valid) or RESET (__CPOL__ is invalid)
  795. */
  796. #define IS_USART_POLARITY(__CPOL__) (((__CPOL__) == USART_POLARITY_LOW) || ((__CPOL__) == USART_POLARITY_HIGH))
  797. /**
  798. * @brief Ensure that USART frame phase is valid.
  799. * @param __CPHA__ USART frame phase.
  800. * @retval SET (__CPHA__ is valid) or RESET (__CPHA__ is invalid)
  801. */
  802. #define IS_USART_PHASE(__CPHA__) (((__CPHA__) == USART_PHASE_1EDGE) || ((__CPHA__) == USART_PHASE_2EDGE))
  803. /**
  804. * @brief Ensure that USART frame last bit clock pulse setting is valid.
  805. * @param __LASTBIT__ USART frame last bit clock pulse setting.
  806. * @retval SET (__LASTBIT__ is valid) or RESET (__LASTBIT__ is invalid)
  807. */
  808. #define IS_USART_LASTBIT(__LASTBIT__) (((__LASTBIT__) == USART_LASTBIT_DISABLE) || \
  809. ((__LASTBIT__) == USART_LASTBIT_ENABLE))
  810. /**
  811. * @brief Ensure that USART request parameter is valid.
  812. * @param __PARAM__ USART request parameter.
  813. * @retval SET (__PARAM__ is valid) or RESET (__PARAM__ is invalid)
  814. */
  815. #define IS_USART_REQUEST_PARAMETER(__PARAM__) (((__PARAM__) == USART_RXDATA_FLUSH_REQUEST) || \
  816. ((__PARAM__) == USART_TXDATA_FLUSH_REQUEST))
  817. /**
  818. * @brief Ensure that USART Prescaler is valid.
  819. * @param __CLOCKPRESCALER__ USART Prescaler value.
  820. * @retval SET (__CLOCKPRESCALER__ is valid) or RESET (__CLOCKPRESCALER__ is invalid)
  821. */
  822. #define IS_USART_PRESCALER(__CLOCKPRESCALER__) (((__CLOCKPRESCALER__) == USART_PRESCALER_DIV1) || \
  823. ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV2) || \
  824. ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV4) || \
  825. ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV6) || \
  826. ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV8) || \
  827. ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV10) || \
  828. ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV12) || \
  829. ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV16) || \
  830. ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV32) || \
  831. ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV64) || \
  832. ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV128) || \
  833. ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV256))
  834. /**
  835. * @}
  836. */
  837. /* Include USART HAL Extended module */
  838. #include "stm32g4xx_hal_usart_ex.h"
  839. /* Exported functions --------------------------------------------------------*/
  840. /** @addtogroup USART_Exported_Functions USART Exported Functions
  841. * @{
  842. */
  843. /** @addtogroup USART_Exported_Functions_Group1 Initialization and de-initialization functions
  844. * @{
  845. */
  846. /* Initialization and de-initialization functions ****************************/
  847. HAL_StatusTypeDef HAL_USART_Init(USART_HandleTypeDef *husart);
  848. HAL_StatusTypeDef HAL_USART_DeInit(USART_HandleTypeDef *husart);
  849. void HAL_USART_MspInit(USART_HandleTypeDef *husart);
  850. void HAL_USART_MspDeInit(USART_HandleTypeDef *husart);
  851. /* Callbacks Register/UnRegister functions ***********************************/
  852. #if (USE_HAL_USART_REGISTER_CALLBACKS == 1)
  853. HAL_StatusTypeDef HAL_USART_RegisterCallback(USART_HandleTypeDef *husart, HAL_USART_CallbackIDTypeDef CallbackID,
  854. pUSART_CallbackTypeDef pCallback);
  855. HAL_StatusTypeDef HAL_USART_UnRegisterCallback(USART_HandleTypeDef *husart, HAL_USART_CallbackIDTypeDef CallbackID);
  856. #endif /* USE_HAL_USART_REGISTER_CALLBACKS */
  857. /**
  858. * @}
  859. */
  860. /** @addtogroup USART_Exported_Functions_Group2 IO operation functions
  861. * @{
  862. */
  863. /* IO operation functions *****************************************************/
  864. HAL_StatusTypeDef HAL_USART_Transmit(USART_HandleTypeDef *husart, const uint8_t *pTxData, uint16_t Size,
  865. uint32_t Timeout);
  866. HAL_StatusTypeDef HAL_USART_Receive(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size, uint32_t Timeout);
  867. HAL_StatusTypeDef HAL_USART_TransmitReceive(USART_HandleTypeDef *husart, const uint8_t *pTxData, uint8_t *pRxData,
  868. uint16_t Size, uint32_t Timeout);
  869. HAL_StatusTypeDef HAL_USART_Transmit_IT(USART_HandleTypeDef *husart, const uint8_t *pTxData, uint16_t Size);
  870. HAL_StatusTypeDef HAL_USART_Receive_IT(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size);
  871. HAL_StatusTypeDef HAL_USART_TransmitReceive_IT(USART_HandleTypeDef *husart, const uint8_t *pTxData, uint8_t *pRxData,
  872. uint16_t Size);
  873. HAL_StatusTypeDef HAL_USART_Transmit_DMA(USART_HandleTypeDef *husart, const uint8_t *pTxData, uint16_t Size);
  874. HAL_StatusTypeDef HAL_USART_Receive_DMA(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size);
  875. HAL_StatusTypeDef HAL_USART_TransmitReceive_DMA(USART_HandleTypeDef *husart, const uint8_t *pTxData, uint8_t *pRxData,
  876. uint16_t Size);
  877. HAL_StatusTypeDef HAL_USART_DMAPause(USART_HandleTypeDef *husart);
  878. HAL_StatusTypeDef HAL_USART_DMAResume(USART_HandleTypeDef *husart);
  879. HAL_StatusTypeDef HAL_USART_DMAStop(USART_HandleTypeDef *husart);
  880. /* Transfer Abort functions */
  881. HAL_StatusTypeDef HAL_USART_Abort(USART_HandleTypeDef *husart);
  882. HAL_StatusTypeDef HAL_USART_Abort_IT(USART_HandleTypeDef *husart);
  883. void HAL_USART_IRQHandler(USART_HandleTypeDef *husart);
  884. void HAL_USART_TxHalfCpltCallback(USART_HandleTypeDef *husart);
  885. void HAL_USART_TxCpltCallback(USART_HandleTypeDef *husart);
  886. void HAL_USART_RxCpltCallback(USART_HandleTypeDef *husart);
  887. void HAL_USART_RxHalfCpltCallback(USART_HandleTypeDef *husart);
  888. void HAL_USART_TxRxCpltCallback(USART_HandleTypeDef *husart);
  889. void HAL_USART_ErrorCallback(USART_HandleTypeDef *husart);
  890. void HAL_USART_AbortCpltCallback(USART_HandleTypeDef *husart);
  891. /**
  892. * @}
  893. */
  894. /** @addtogroup USART_Exported_Functions_Group4 Peripheral State and Error functions
  895. * @{
  896. */
  897. /* Peripheral State and Error functions ***************************************/
  898. HAL_USART_StateTypeDef HAL_USART_GetState(const USART_HandleTypeDef *husart);
  899. uint32_t HAL_USART_GetError(const USART_HandleTypeDef *husart);
  900. /**
  901. * @}
  902. */
  903. /**
  904. * @}
  905. */
  906. /**
  907. * @}
  908. */
  909. /**
  910. * @}
  911. */
  912. #ifdef __cplusplus
  913. }
  914. #endif
  915. #endif /* STM32G4xx_HAL_USART_H */