stm32f1xx_hal_usart.h 26 KB

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  1. /**
  2. ******************************************************************************
  3. * @file stm32f1xx_hal_usart.h
  4. * @author MCD Application Team
  5. * @brief Header file of USART 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 __STM32F1xx_HAL_USART_H
  37. #define __STM32F1xx_HAL_USART_H
  38. #ifdef __cplusplus
  39. extern "C" {
  40. #endif
  41. /* Includes ------------------------------------------------------------------*/
  42. #include "stm32f1xx_hal_def.h"
  43. /** @addtogroup STM32F1xx_HAL_Driver
  44. * @{
  45. */
  46. /** @addtogroup USART
  47. * @{
  48. */
  49. /* Exported types ------------------------------------------------------------*/
  50. /** @defgroup USART_Exported_Types USART Exported Types
  51. * @{
  52. */
  53. /**
  54. * @brief USART Init Structure definition
  55. */
  56. typedef struct
  57. {
  58. uint32_t BaudRate; /*!< This member configures the Usart communication baud rate.
  59. The baud rate is computed using the following formula:
  60. - IntegerDivider = ((PCLKx) / (16 * (husart->Init.BaudRate)))
  61. - FractionalDivider = ((IntegerDivider - ((uint32_t) IntegerDivider)) * 16) + 0.5 */
  62. uint32_t WordLength; /*!< Specifies the number of data bits transmitted or received in a frame.
  63. This parameter can be a value of @ref USART_Word_Length */
  64. uint32_t StopBits; /*!< Specifies the number of stop bits transmitted.
  65. This parameter can be a value of @ref USART_Stop_Bits */
  66. uint32_t Parity; /*!< Specifies the parity mode.
  67. This parameter can be a value of @ref USART_Parity
  68. @note When parity is enabled, the computed parity is inserted
  69. at the MSB position of the transmitted data (9th bit when
  70. the word length is set to 9 data bits; 8th bit when the
  71. word length is set to 8 data bits). */
  72. uint32_t Mode; /*!< Specifies whether the Receive or Transmit mode is enabled or disabled.
  73. This parameter can be a value of @ref USART_Mode */
  74. uint32_t CLKPolarity; /*!< Specifies the steady state of the serial clock.
  75. This parameter can be a value of @ref USART_Clock_Polarity */
  76. uint32_t CLKPhase; /*!< Specifies the clock transition on which the bit capture is made.
  77. This parameter can be a value of @ref USART_Clock_Phase */
  78. uint32_t CLKLastBit; /*!< Specifies whether the clock pulse corresponding to the last transmitted
  79. data bit (MSB) has to be output on the SCLK pin in synchronous mode.
  80. This parameter can be a value of @ref USART_Last_Bit */
  81. }USART_InitTypeDef;
  82. /**
  83. * @brief HAL State structures definition
  84. */
  85. typedef enum
  86. {
  87. HAL_USART_STATE_RESET = 0x00U, /*!< Peripheral is not yet initialized */
  88. HAL_USART_STATE_READY = 0x01U, /*!< Peripheral Initialized and ready for use */
  89. HAL_USART_STATE_BUSY = 0x02U, /*!< an internal process is ongoing */
  90. HAL_USART_STATE_BUSY_TX = 0x12U, /*!< Data Transmission process is ongoing */
  91. HAL_USART_STATE_BUSY_RX = 0x22U, /*!< Data Reception process is ongoing */
  92. HAL_USART_STATE_BUSY_TX_RX = 0x32U, /*!< Data Transmission Reception process is ongoing */
  93. HAL_USART_STATE_TIMEOUT = 0x03U, /*!< Timeout state */
  94. HAL_USART_STATE_ERROR = 0x04U /*!< Error */
  95. }HAL_USART_StateTypeDef;
  96. /**
  97. * @brief USART handle Structure definition
  98. */
  99. typedef struct
  100. {
  101. USART_TypeDef *Instance; /*!< USART registers base address */
  102. USART_InitTypeDef Init; /*!< Usart communication parameters */
  103. uint8_t *pTxBuffPtr; /*!< Pointer to Usart Tx transfer Buffer */
  104. uint16_t TxXferSize; /*!< Usart Tx Transfer size */
  105. __IO uint16_t TxXferCount; /*!< Usart Tx Transfer Counter */
  106. uint8_t *pRxBuffPtr; /*!< Pointer to Usart Rx transfer Buffer */
  107. uint16_t RxXferSize; /*!< Usart Rx Transfer size */
  108. __IO uint16_t RxXferCount; /*!< Usart Rx Transfer Counter */
  109. DMA_HandleTypeDef *hdmatx; /*!< Usart Tx DMA Handle parameters */
  110. DMA_HandleTypeDef *hdmarx; /*!< Usart Rx DMA Handle parameters */
  111. HAL_LockTypeDef Lock; /*!< Locking object */
  112. __IO HAL_USART_StateTypeDef State; /*!< Usart communication state */
  113. __IO uint32_t ErrorCode; /*!< USART Error code */
  114. }USART_HandleTypeDef;
  115. /**
  116. * @}
  117. */
  118. /* Exported constants --------------------------------------------------------*/
  119. /** @defgroup USART_Exported_Constants USART Exported Constants
  120. * @{
  121. */
  122. /** @defgroup USART_Error_Code USART Error Code
  123. * @brief USART Error Code
  124. * @{
  125. */
  126. #define HAL_USART_ERROR_NONE 0x00000000U /*!< No error */
  127. #define HAL_USART_ERROR_PE 0x00000001U /*!< Parity error */
  128. #define HAL_USART_ERROR_NE 0x00000002U /*!< Noise error */
  129. #define HAL_USART_ERROR_FE 0x00000004U /*!< Frame error */
  130. #define HAL_USART_ERROR_ORE 0x00000008U /*!< Overrun error */
  131. #define HAL_USART_ERROR_DMA 0x00000010U /*!< DMA transfer error */
  132. /**
  133. * @}
  134. */
  135. /** @defgroup USART_Word_Length USART Word Length
  136. * @{
  137. */
  138. #define USART_WORDLENGTH_8B 0x00000000U
  139. #define USART_WORDLENGTH_9B ((uint32_t)USART_CR1_M)
  140. /**
  141. * @}
  142. */
  143. /** @defgroup USART_Stop_Bits USART Number of Stop Bits
  144. * @{
  145. */
  146. #define USART_STOPBITS_1 0x00000000U
  147. #define USART_STOPBITS_0_5 ((uint32_t)USART_CR2_STOP_0)
  148. #define USART_STOPBITS_2 ((uint32_t)USART_CR2_STOP_1)
  149. #define USART_STOPBITS_1_5 ((uint32_t)(USART_CR2_STOP_0 | USART_CR2_STOP_1))
  150. /**
  151. * @}
  152. */
  153. /** @defgroup USART_Parity USART Parity
  154. * @{
  155. */
  156. #define USART_PARITY_NONE 0x00000000U
  157. #define USART_PARITY_EVEN ((uint32_t)USART_CR1_PCE)
  158. #define USART_PARITY_ODD ((uint32_t)(USART_CR1_PCE | USART_CR1_PS))
  159. /**
  160. * @}
  161. */
  162. /** @defgroup USART_Mode USART Mode
  163. * @{
  164. */
  165. #define USART_MODE_RX ((uint32_t)USART_CR1_RE)
  166. #define USART_MODE_TX ((uint32_t)USART_CR1_TE)
  167. #define USART_MODE_TX_RX ((uint32_t)(USART_CR1_TE |USART_CR1_RE))
  168. /**
  169. * @}
  170. */
  171. /** @defgroup USART_Clock USART Clock
  172. * @{
  173. */
  174. #define USART_CLOCK_DISABLE 0x00000000U
  175. #define USART_CLOCK_ENABLE ((uint32_t)USART_CR2_CLKEN)
  176. /**
  177. * @}
  178. */
  179. /** @defgroup USART_Clock_Polarity USART Clock Polarity
  180. * @{
  181. */
  182. #define USART_POLARITY_LOW 0x00000000U
  183. #define USART_POLARITY_HIGH ((uint32_t)USART_CR2_CPOL)
  184. /**
  185. * @}
  186. */
  187. /** @defgroup USART_Clock_Phase USART Clock Phase
  188. * @{
  189. */
  190. #define USART_PHASE_1EDGE 0x00000000U
  191. #define USART_PHASE_2EDGE ((uint32_t)USART_CR2_CPHA)
  192. /**
  193. * @}
  194. */
  195. /** @defgroup USART_Last_Bit USART Last Bit
  196. * @{
  197. */
  198. #define USART_LASTBIT_DISABLE 0x00000000U
  199. #define USART_LASTBIT_ENABLE ((uint32_t)USART_CR2_LBCL)
  200. /**
  201. * @}
  202. */
  203. /** @defgroup USART_NACK_State USART NACK State
  204. * @{
  205. */
  206. #define USART_NACK_ENABLE ((uint32_t)USART_CR3_NACK)
  207. #define USART_NACK_DISABLE 0x00000000U
  208. /**
  209. * @}
  210. */
  211. /** @defgroup USART_Flags USART Flags
  212. * Elements values convention: 0xXXXX
  213. * - 0xXXXX : Flag mask in the SR register
  214. * @{
  215. */
  216. #define USART_FLAG_TXE ((uint32_t)USART_SR_TXE)
  217. #define USART_FLAG_TC ((uint32_t)USART_SR_TC)
  218. #define USART_FLAG_RXNE ((uint32_t)USART_SR_RXNE)
  219. #define USART_FLAG_IDLE ((uint32_t)USART_SR_IDLE)
  220. #define USART_FLAG_ORE ((uint32_t)USART_SR_ORE)
  221. #define USART_FLAG_NE ((uint32_t)USART_SR_NE)
  222. #define USART_FLAG_FE ((uint32_t)USART_SR_FE)
  223. #define USART_FLAG_PE ((uint32_t)USART_SR_PE)
  224. /**
  225. * @}
  226. */
  227. /** @defgroup USART_Interrupt_definition USART Interrupts Definition
  228. * Elements values convention: 0xY000XXXX
  229. * - XXXX : Interrupt mask in the XX register
  230. * - Y : Interrupt source register (2bits)
  231. * - 01: CR1 register
  232. * - 10: CR2 register
  233. * - 11: CR3 register
  234. *
  235. * @{
  236. */
  237. #define USART_IT_PE ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_PEIE))
  238. #define USART_IT_TXE ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_TXEIE))
  239. #define USART_IT_TC ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_TCIE))
  240. #define USART_IT_RXNE ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_RXNEIE))
  241. #define USART_IT_IDLE ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_IDLEIE))
  242. #define USART_IT_LBD ((uint32_t)(USART_CR2_REG_INDEX << 28U | USART_CR2_LBDIE))
  243. #define USART_IT_CTS ((uint32_t)(USART_CR3_REG_INDEX << 28U | USART_CR3_CTSIE))
  244. #define USART_IT_ERR ((uint32_t)(USART_CR3_REG_INDEX << 28U | USART_CR3_EIE))
  245. /**
  246. * @}
  247. */
  248. /**
  249. * @}
  250. */
  251. /* Exported macro ------------------------------------------------------------*/
  252. /** @defgroup USART_Exported_Macros USART Exported Macros
  253. * @{
  254. */
  255. /** @brief Reset USART handle state
  256. * @param __HANDLE__: specifies the USART Handle.
  257. * USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
  258. */
  259. #define __HAL_USART_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_USART_STATE_RESET)
  260. /** @brief Checks whether the specified USART flag is set or not.
  261. * @param __HANDLE__: specifies the USART Handle.
  262. * USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
  263. * @param __FLAG__: specifies the flag to check.
  264. * This parameter can be one of the following values:
  265. * @arg USART_FLAG_TXE: Transmit data register empty flag
  266. * @arg USART_FLAG_TC: Transmission Complete flag
  267. * @arg USART_FLAG_RXNE: Receive data register not empty flag
  268. * @arg USART_FLAG_IDLE: Idle Line detection flag
  269. * @arg USART_FLAG_ORE: OverRun Error flag
  270. * @arg USART_FLAG_NE: Noise Error flag
  271. * @arg USART_FLAG_FE: Framing Error flag
  272. * @arg USART_FLAG_PE: Parity Error flag
  273. * @retval The new state of __FLAG__ (TRUE or FALSE).
  274. */
  275. #define __HAL_USART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__))
  276. /** @brief Clears the specified USART pending flags.
  277. * @param __HANDLE__: specifies the USART Handle.
  278. * USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
  279. * @param __FLAG__: specifies the flag to check.
  280. * This parameter can be any combination of the following values:
  281. * @arg USART_FLAG_TC: Transmission Complete flag.
  282. * @arg USART_FLAG_RXNE: Receive data register not empty flag.
  283. *
  284. * @note PE (Parity error), FE (Framing error), NE (Noise error), ORE (OverRun
  285. * error) and IDLE (Idle line detected) flags are cleared by software
  286. * sequence: a read operation to USART_SR register followed by a read
  287. * operation to USART_DR register.
  288. * @note RXNE flag can be also cleared by a read to the USART_DR register.
  289. * @note TC flag can be also cleared by software sequence: a read operation to
  290. * USART_SR register followed by a write operation to USART_DR register
  291. * @note TXE flag is cleared only by a write to the USART_DR register
  292. *
  293. */
  294. #define __HAL_USART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->SR = ~(__FLAG__))
  295. /** @brief Clear the USART PE pending flag.
  296. * @param __HANDLE__: specifies the USART Handle.
  297. * USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
  298. */
  299. #define __HAL_USART_CLEAR_PEFLAG(__HANDLE__) \
  300. do{ \
  301. __IO uint32_t tmpreg = 0x00U; \
  302. tmpreg = (__HANDLE__)->Instance->SR; \
  303. tmpreg = (__HANDLE__)->Instance->DR; \
  304. UNUSED(tmpreg); \
  305. } while(0U)
  306. /** @brief Clear the USART FE pending flag.
  307. * @param __HANDLE__: specifies the USART Handle.
  308. * USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
  309. */
  310. #define __HAL_USART_CLEAR_FEFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__)
  311. /** @brief Clear the USART NE pending flag.
  312. * @param __HANDLE__: specifies the USART Handle.
  313. * USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
  314. */
  315. #define __HAL_USART_CLEAR_NEFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__)
  316. /** @brief Clear the USART ORE pending flag.
  317. * @param __HANDLE__: specifies the USART Handle.
  318. * USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
  319. */
  320. #define __HAL_USART_CLEAR_OREFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__)
  321. /** @brief Clear the USART IDLE pending flag.
  322. * @param __HANDLE__: specifies the USART Handle.
  323. * USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
  324. */
  325. #define __HAL_USART_CLEAR_IDLEFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__)
  326. /** @brief Enable the specified USART interrupts.
  327. * @param __HANDLE__: specifies the USART Handle.
  328. * USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
  329. * @param __INTERRUPT__: specifies the USART interrupt source to enable.
  330. * This parameter can be one of the following values:
  331. * @arg USART_IT_TXE: Transmit Data Register empty interrupt
  332. * @arg USART_IT_TC: Transmission complete interrupt
  333. * @arg USART_IT_RXNE: Receive Data register not empty interrupt
  334. * @arg USART_IT_IDLE: Idle line detection interrupt
  335. * @arg USART_IT_PE: Parity Error interrupt
  336. * @arg USART_IT_ERR: Error interrupt(Frame error, noise error, overrun error)
  337. * This parameter can be: ENABLE or DISABLE.
  338. */
  339. #define __HAL_USART_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28U) == USART_CR1_REG_INDEX)? ((__HANDLE__)->Instance->CR1 |= ((__INTERRUPT__) & USART_IT_MASK)): \
  340. (((__INTERRUPT__) >> 28U) == USART_CR2_REG_INDEX)? ((__HANDLE__)->Instance->CR2 |= ((__INTERRUPT__) & USART_IT_MASK)): \
  341. ((__HANDLE__)->Instance->CR3 |= ((__INTERRUPT__) & USART_IT_MASK)))
  342. /** @brief Disable the specified USART interrupts.
  343. * @param __HANDLE__: specifies the USART Handle.
  344. * USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
  345. * @param __INTERRUPT__: specifies the USART interrupt source to disable.
  346. * This parameter can be one of the following values:
  347. * @arg USART_IT_TXE: Transmit Data Register empty interrupt
  348. * @arg USART_IT_TC: Transmission complete interrupt
  349. * @arg USART_IT_RXNE: Receive Data register not empty interrupt
  350. * @arg USART_IT_IDLE: Idle line detection interrupt
  351. * @arg USART_IT_PE: Parity Error interrupt
  352. * @arg USART_IT_ERR: Error interrupt(Frame error, noise error, overrun error)
  353. * This parameter can be: ENABLE or DISABLE.
  354. */
  355. #define __HAL_USART_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28U) == USART_CR1_REG_INDEX)? ((__HANDLE__)->Instance->CR1 &= ~((__INTERRUPT__) & USART_IT_MASK)): \
  356. (((__INTERRUPT__) >> 28U) == USART_CR2_REG_INDEX)? ((__HANDLE__)->Instance->CR2 &= ~((__INTERRUPT__) & USART_IT_MASK)): \
  357. ((__HANDLE__)->Instance->CR3 &= ~ ((__INTERRUPT__) & USART_IT_MASK)))
  358. /** @brief Checks whether the specified USART interrupt has occurred or not.
  359. * @param __HANDLE__: specifies the USART Handle.
  360. * USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
  361. * @param __IT__: specifies the USART interrupt source to check.
  362. * This parameter can be one of the following values:
  363. * @arg USART_IT_TXE: Transmit Data Register empty interrupt
  364. * @arg USART_IT_TC: Transmission complete interrupt
  365. * @arg USART_IT_RXNE: Receive Data register not empty interrupt
  366. * @arg USART_IT_IDLE: Idle line detection interrupt
  367. * @arg USART_IT_ERR: Error interrupt
  368. * @arg USART_IT_PE: Parity Error interrupt
  369. * @retval The new state of __IT__ (TRUE or FALSE).
  370. */
  371. #define __HAL_USART_GET_IT_SOURCE(__HANDLE__, __IT__) (((((__IT__) >> 28U) == USART_CR1_REG_INDEX)? (__HANDLE__)->Instance->CR1:(((((uint32_t)(__IT__)) >> 28U) == USART_CR2_REG_INDEX)? \
  372. (__HANDLE__)->Instance->CR2 : (__HANDLE__)->Instance->CR3)) & (((uint32_t)(__IT__)) & USART_IT_MASK))
  373. /** @brief Enable USART
  374. * @param __HANDLE__: specifies the USART Handle.
  375. * USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
  376. */
  377. #define __HAL_USART_ENABLE(__HANDLE__) SET_BIT((__HANDLE__)->Instance->CR1,(USART_CR1_UE))
  378. /** @brief Disable USART
  379. * @param __HANDLE__: specifies the USART Handle.
  380. * USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
  381. */
  382. #define __HAL_USART_DISABLE(__HANDLE__) CLEAR_BIT((__HANDLE__)->Instance->CR1,(USART_CR1_UE))
  383. /**
  384. * @}
  385. */
  386. /* Exported functions --------------------------------------------------------*/
  387. /** @addtogroup USART_Exported_Functions
  388. * @{
  389. */
  390. /** @addtogroup USART_Exported_Functions_Group1
  391. * @{
  392. */
  393. /* Initialization/de-initialization functions **********************************/
  394. HAL_StatusTypeDef HAL_USART_Init(USART_HandleTypeDef *husart);
  395. HAL_StatusTypeDef HAL_USART_DeInit(USART_HandleTypeDef *husart);
  396. void HAL_USART_MspInit(USART_HandleTypeDef *husart);
  397. void HAL_USART_MspDeInit(USART_HandleTypeDef *husart);
  398. /**
  399. * @}
  400. */
  401. /** @addtogroup USART_Exported_Functions_Group2
  402. * @{
  403. */
  404. /* IO operation functions *******************************************************/
  405. HAL_StatusTypeDef HAL_USART_Transmit(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size, uint32_t Timeout);
  406. HAL_StatusTypeDef HAL_USART_Receive(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size, uint32_t Timeout);
  407. HAL_StatusTypeDef HAL_USART_TransmitReceive(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size, uint32_t Timeout);
  408. HAL_StatusTypeDef HAL_USART_Transmit_IT(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size);
  409. HAL_StatusTypeDef HAL_USART_Receive_IT(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size);
  410. HAL_StatusTypeDef HAL_USART_TransmitReceive_IT(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size);
  411. HAL_StatusTypeDef HAL_USART_Transmit_DMA(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size);
  412. HAL_StatusTypeDef HAL_USART_Receive_DMA(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size);
  413. HAL_StatusTypeDef HAL_USART_TransmitReceive_DMA(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size);
  414. HAL_StatusTypeDef HAL_USART_DMAPause(USART_HandleTypeDef *husart);
  415. HAL_StatusTypeDef HAL_USART_DMAResume(USART_HandleTypeDef *husart);
  416. HAL_StatusTypeDef HAL_USART_DMAStop(USART_HandleTypeDef *husart);
  417. /* Transfer Abort functions */
  418. HAL_StatusTypeDef HAL_USART_Abort(USART_HandleTypeDef *husart);
  419. HAL_StatusTypeDef HAL_USART_Abort_IT(USART_HandleTypeDef *husart);
  420. void HAL_USART_IRQHandler(USART_HandleTypeDef *husart);
  421. void HAL_USART_TxCpltCallback(USART_HandleTypeDef *husart);
  422. void HAL_USART_TxHalfCpltCallback(USART_HandleTypeDef *husart);
  423. void HAL_USART_RxCpltCallback(USART_HandleTypeDef *husart);
  424. void HAL_USART_RxHalfCpltCallback(USART_HandleTypeDef *husart);
  425. void HAL_USART_TxRxCpltCallback(USART_HandleTypeDef *husart);
  426. void HAL_USART_ErrorCallback(USART_HandleTypeDef *husart);
  427. void HAL_USART_AbortCpltCallback (USART_HandleTypeDef *husart);
  428. /**
  429. * @}
  430. */
  431. /** @addtogroup USART_Exported_Functions_Group3
  432. * @{
  433. */
  434. /* Peripheral State functions ************************************************/
  435. HAL_USART_StateTypeDef HAL_USART_GetState(USART_HandleTypeDef *husart);
  436. uint32_t HAL_USART_GetError(USART_HandleTypeDef *husart);
  437. /**
  438. * @}
  439. */
  440. /**
  441. * @}
  442. */
  443. /* Private types -------------------------------------------------------------*/
  444. /* Private variables ---------------------------------------------------------*/
  445. /* Private constants ---------------------------------------------------------*/
  446. /** @defgroup USART_Private_Constants USART Private Constants
  447. * @{
  448. */
  449. /** @brief USART interruptions flag mask
  450. *
  451. */
  452. #define USART_IT_MASK 0x0000FFFFU
  453. #define USART_CR1_REG_INDEX 1U
  454. #define USART_CR2_REG_INDEX 2U
  455. #define USART_CR3_REG_INDEX 3U
  456. /**
  457. * @}
  458. */
  459. /* Private macros ------------------------------------------------------------*/
  460. /** @defgroup USART_Private_Macros USART Private Macros
  461. * @{
  462. */
  463. #define IS_USART_NACK_STATE(NACK) (((NACK) == USART_NACK_ENABLE) || \
  464. ((NACK) == USART_NACK_DISABLE))
  465. #define IS_USART_LASTBIT(LASTBIT) (((LASTBIT) == USART_LASTBIT_DISABLE) || \
  466. ((LASTBIT) == USART_LASTBIT_ENABLE))
  467. #define IS_USART_PHASE(CPHA) (((CPHA) == USART_PHASE_1EDGE) || ((CPHA) == USART_PHASE_2EDGE))
  468. #define IS_USART_POLARITY(CPOL) (((CPOL) == USART_POLARITY_LOW) || ((CPOL) == USART_POLARITY_HIGH))
  469. #define IS_USART_CLOCK(CLOCK) (((CLOCK) == USART_CLOCK_DISABLE) || \
  470. ((CLOCK) == USART_CLOCK_ENABLE))
  471. #define IS_USART_WORD_LENGTH(LENGTH) (((LENGTH) == USART_WORDLENGTH_8B) || \
  472. ((LENGTH) == USART_WORDLENGTH_9B))
  473. #define IS_USART_STOPBITS(STOPBITS) (((STOPBITS) == USART_STOPBITS_1) || \
  474. ((STOPBITS) == USART_STOPBITS_0_5) || \
  475. ((STOPBITS) == USART_STOPBITS_1_5) || \
  476. ((STOPBITS) == USART_STOPBITS_2))
  477. #define IS_USART_PARITY(PARITY) (((PARITY) == USART_PARITY_NONE) || \
  478. ((PARITY) == USART_PARITY_EVEN) || \
  479. ((PARITY) == USART_PARITY_ODD))
  480. #define IS_USART_MODE(MODE) ((((MODE) & 0xFFF3U) == 0x00U) && ((MODE) != 0x00U))
  481. #define IS_USART_BAUDRATE(BAUDRATE) ((BAUDRATE) < 4500001U)
  482. #define USART_DIV(_PCLK_, _BAUD_) (((_PCLK_)*25U)/(2U*(_BAUD_)))
  483. #define USART_DIVMANT(_PCLK_, _BAUD_) (USART_DIV((_PCLK_), (_BAUD_))/100U)
  484. #define USART_DIVFRAQ(_PCLK_, _BAUD_) (((USART_DIV((_PCLK_), (_BAUD_)) - (USART_DIVMANT((_PCLK_), (_BAUD_)) * 100U)) * 16U + 50U) / 100U)
  485. #define USART_BRR(_PCLK_, _BAUD_) ((USART_DIVMANT((_PCLK_), (_BAUD_)) << 4U)|(USART_DIVFRAQ((_PCLK_), (_BAUD_)) & 0x0FU))
  486. /**
  487. * @}
  488. */
  489. /* Private functions ---------------------------------------------------------*/
  490. /** @defgroup USART_Private_Functions USART Private Functions
  491. * @{
  492. */
  493. /**
  494. * @}
  495. */
  496. /**
  497. * @}
  498. */
  499. /**
  500. * @}
  501. */
  502. #ifdef __cplusplus
  503. }
  504. #endif
  505. #endif /* __STM32F1xx_HAL_USART_H */
  506. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/