py32f002b_hal_uart.h 44 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887888889890891892893894
  1. /**
  2. ******************************************************************************
  3. * @file py32f002b_hal_uart.h
  4. * @author MCU Application Team
  5. * @brief Header file of UART HAL module.
  6. ******************************************************************************
  7. * @attention
  8. *
  9. * <h2><center>&copy; Copyright (c) 2023 Puya Semiconductor Co.
  10. * All rights reserved.</center></h2>
  11. *
  12. * This software component is licensed by Puya under BSD 3-Clause license,
  13. * the "License"; You may not use this file except in compliance with the
  14. * License. You may obtain a copy of the License at:
  15. * opensource.org/licenses/BSD-3-Clause
  16. *
  17. ******************************************************************************
  18. * @attention
  19. *
  20. * <h2><center>&copy; Copyright (c) 2016 STMicroelectronics.
  21. * All rights reserved.</center></h2>
  22. *
  23. * This software component is licensed by ST under BSD 3-Clause license,
  24. * the "License"; You may not use this file except in compliance with the
  25. * License. You may obtain a copy of the License at:
  26. * opensource.org/licenses/BSD-3-Clause
  27. *
  28. ******************************************************************************
  29. */
  30. /* Define to prevent recursive inclusion -------------------------------------*/
  31. #ifndef __PY32F002B_HAL_UART_H
  32. #define __PY32F002B_HAL_UART_H
  33. #ifdef __cplusplus
  34. extern "C" {
  35. #endif
  36. /* Includes ------------------------------------------------------------------*/
  37. #include "py32f002b_hal_def.h"
  38. /** @addtogroup PY32F002B_HAL_Driver
  39. * @{
  40. */
  41. /** @addtogroup UART
  42. * @{
  43. */
  44. /* Exported types ------------------------------------------------------------*/
  45. /** @defgroup UART_Exported_Types UART Exported Types
  46. * @{
  47. */
  48. /**
  49. * @brief UART Init Structure definition
  50. */
  51. typedef struct
  52. {
  53. uint32_t BaudRate; /*!< This member configures the UART communication baud rate.
  54. The baud rate is computed using the following formula:
  55. - IntegerDivider = ((PCLKx) / (16 * (huart->Init.BaudRate)))
  56. - FractionalDivider = ((IntegerDivider - ((uint32_t) IntegerDivider)) * 16) + 0.5 */
  57. uint32_t WordLength; /*!< Specifies the number of data bits transmitted or received in a frame.
  58. This parameter can be a value of @ref UART_Word_Length */
  59. uint32_t StopBits; /*!< Specifies the number of stop bits transmitted.
  60. This parameter can be a value of @ref UART_Stop_Bits */
  61. uint32_t Parity; /*!< Specifies the parity mode.
  62. This parameter can be a value of @ref UART_Parity
  63. @note When parity is enabled, the computed parity is inserted
  64. at the MSB position of the transmitted data (9th bit when
  65. the word length is set to 9 data bits; 8th bit when the
  66. word length is set to 8 data bits). */
  67. uint32_t Mode; /*!< Specifies whether the Receive or Transmit mode is enabled or disabled.
  68. This parameter can be a value of @ref UART_Mode */
  69. uint32_t HwFlowCtl; /*!< Specifies whether the hardware flow control mode is enabled or disabled.
  70. This parameter can be a value of @ref UART_Hardware_Flow_Control */
  71. uint32_t OverSampling; /*!< Specifies whether the Over sampling 8 or Over sampling 16.
  72. This parameter can be a value of @ref UART_Over_Sampling. */
  73. } UART_InitTypeDef;
  74. /**
  75. * @brief HAL UART State structures definition
  76. * @note HAL UART State value is a combination of 2 different substates: gState and RxState.
  77. * - gState contains UART state information related to global Handle management
  78. * and also information related to Tx operations.
  79. * gState value coding follow below described bitmap :
  80. * b7-b6 Error information
  81. * 00 : No Error
  82. * 01 : (Not Used)
  83. * 10 : Timeout
  84. * 11 : Error
  85. * b5 Peripheral initialization status
  86. * 0 : Reset (Peripheral not initialized)
  87. * 1 : Init done (Peripheral not initialized. HAL UART Init function already called)
  88. * b4-b3 (not used)
  89. * xx : Should be set to 00
  90. * b2 Intrinsic process state
  91. * 0 : Ready
  92. * 1 : Busy (Peripheral busy with some configuration or internal operations)
  93. * b1 (not used)
  94. * x : Should be set to 0
  95. * b0 Tx state
  96. * 0 : Ready (no Tx operation ongoing)
  97. * 1 : Busy (Tx operation ongoing)
  98. * - RxState contains information related to Rx operations.
  99. * RxState value coding follow below described bitmap :
  100. * b7-b6 (not used)
  101. * xx : Should be set to 00
  102. * b5 Peripheral initialization status
  103. * 0 : Reset (Peripheral not initialized)
  104. * 1 : Init done (Peripheral not initialized)
  105. * b4-b2 (not used)
  106. * xxx : Should be set to 000
  107. * b1 Rx state
  108. * 0 : Ready (no Rx operation ongoing)
  109. * 1 : Busy (Rx operation ongoing)
  110. * b0 (not used)
  111. * x : Should be set to 0.
  112. */
  113. typedef enum
  114. {
  115. HAL_UART_STATE_RESET = 0x00U, /*!< Peripheral is not yet Initialized
  116. Value is allowed for gState and RxState */
  117. HAL_UART_STATE_READY = 0x20U, /*!< Peripheral Initialized and ready for use
  118. Value is allowed for gState and RxState */
  119. HAL_UART_STATE_BUSY = 0x24U, /*!< an internal process is ongoing
  120. Value is allowed for gState only */
  121. HAL_UART_STATE_BUSY_TX = 0x21U, /*!< Data Transmission process is ongoing
  122. Value is allowed for gState only */
  123. HAL_UART_STATE_BUSY_RX = 0x22U, /*!< Data Reception process is ongoing
  124. Value is allowed for RxState only */
  125. HAL_UART_STATE_BUSY_TX_RX = 0x23U, /*!< Data Transmission and Reception process is ongoing
  126. Not to be used for neither gState nor RxState.
  127. Value is result of combination (Or) between gState and RxState values */
  128. HAL_UART_STATE_TIMEOUT = 0xA0U, /*!< Timeout state
  129. Value is allowed for gState only */
  130. HAL_UART_STATE_ERROR = 0xE0U /*!< Error
  131. Value is allowed for gState only */
  132. } HAL_UART_StateTypeDef;
  133. /* @brief UART Advanced Features initialization structure definition */
  134. typedef struct
  135. {
  136. uint32_t AdvFeatureInit; /*!< Specifies which advanced UART features is initialized. Several
  137. Advanced Features may be initialized at the same time .
  138. This parameter can be a value of @ref UART_Advanced_Features_Initialization_Type. */
  139. uint32_t AutoBaudRateEnable; /*!< Specifies whether auto Baud rate detection is enabled.
  140. This parameter can be a value of @ref UART_AutoBaudRate_Enable. */
  141. uint32_t AutoBaudRateMode; /*!< If auto Baud rate detection is enabled, specifies how the rate
  142. detection is carried out.
  143. This parameter can be a value of @ref UART_AutoBaud_Rate_Mode. */
  144. } UART_AdvFeatureInitTypeDef;
  145. /**
  146. * @brief UART handle Structure definition
  147. */
  148. typedef struct __UART_HandleTypeDef
  149. {
  150. USART_TypeDef *Instance; /*!< UART registers base address */
  151. UART_InitTypeDef Init; /*!< UART communication parameters */
  152. UART_AdvFeatureInitTypeDef AdvancedInit; /*!< UART Advanced Features initialization parameters */
  153. uint8_t *pTxBuffPtr; /*!< Pointer to UART Tx transfer Buffer */
  154. uint16_t TxXferSize; /*!< UART Tx Transfer size */
  155. __IO uint16_t TxXferCount; /*!< UART Tx Transfer Counter */
  156. uint8_t *pRxBuffPtr; /*!< Pointer to UART Rx transfer Buffer */
  157. uint16_t RxXferSize; /*!< UART Rx Transfer size */
  158. __IO uint16_t RxXferCount; /*!< UART Rx Transfer Counter */
  159. HAL_LockTypeDef Lock; /*!< Locking object */
  160. __IO HAL_UART_StateTypeDef gState; /*!< UART state information related to global Handle management
  161. and also related to Tx operations.
  162. This parameter can be a value of @ref HAL_UART_StateTypeDef */
  163. __IO HAL_UART_StateTypeDef RxState; /*!< UART state information related to Rx operations.
  164. This parameter can be a value of @ref HAL_UART_StateTypeDef */
  165. __IO uint32_t ErrorCode; /*!< UART Error code */
  166. #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
  167. void (* TxHalfCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Tx Half Complete Callback */
  168. void (* TxCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Tx Complete Callback */
  169. void (* RxHalfCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Rx Half Complete Callback */
  170. void (* RxCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Rx Complete Callback */
  171. void (* ErrorCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Error Callback */
  172. void (* AbortCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Abort Complete Callback */
  173. void (* AbortTransmitCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Abort Transmit Complete Callback */
  174. void (* AbortReceiveCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Abort Receive Complete Callback */
  175. void (* WakeupCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Wakeup Callback */
  176. void (* MspInitCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Msp Init callback */
  177. void (* MspDeInitCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Msp DeInit callback */
  178. #endif /* USE_HAL_UART_REGISTER_CALLBACKS */
  179. } UART_HandleTypeDef;
  180. #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
  181. /**
  182. * @brief HAL UART Callback ID enumeration definition
  183. */
  184. typedef enum
  185. {
  186. HAL_UART_TX_HALFCOMPLETE_CB_ID = 0x00U, /*!< UART Tx Half Complete Callback ID */
  187. HAL_UART_TX_COMPLETE_CB_ID = 0x01U, /*!< UART Tx Complete Callback ID */
  188. HAL_UART_RX_HALFCOMPLETE_CB_ID = 0x02U, /*!< UART Rx Half Complete Callback ID */
  189. HAL_UART_RX_COMPLETE_CB_ID = 0x03U, /*!< UART Rx Complete Callback ID */
  190. HAL_UART_ERROR_CB_ID = 0x04U, /*!< UART Error Callback ID */
  191. HAL_UART_ABORT_COMPLETE_CB_ID = 0x05U, /*!< UART Abort Complete Callback ID */
  192. HAL_UART_ABORT_TRANSMIT_COMPLETE_CB_ID = 0x06U, /*!< UART Abort Transmit Complete Callback ID */
  193. HAL_UART_ABORT_RECEIVE_COMPLETE_CB_ID = 0x07U, /*!< UART Abort Receive Complete Callback ID */
  194. HAL_UART_WAKEUP_CB_ID = 0x08U, /*!< UART Wakeup Callback ID */
  195. HAL_UART_MSPINIT_CB_ID = 0x0BU, /*!< UART MspInit callback ID */
  196. HAL_UART_MSPDEINIT_CB_ID = 0x0CU /*!< UART MspDeInit callback ID */
  197. } HAL_UART_CallbackIDTypeDef;
  198. /**
  199. * @brief HAL UART Callback pointer definition
  200. */
  201. typedef void (*pUART_CallbackTypeDef)(UART_HandleTypeDef *huart); /*!< pointer to an UART callback function */
  202. #endif /* USE_HAL_UART_REGISTER_CALLBACKS */
  203. /**
  204. * @}
  205. */
  206. /* Exported constants --------------------------------------------------------*/
  207. /** @defgroup UART_Exported_Constants UART Exported Constants
  208. * @{
  209. */
  210. /** @defgroup UART_Error_Code UART Error Code
  211. * @{
  212. */
  213. #define HAL_UART_ERROR_NONE 0x00000000U /*!< No error */
  214. #define HAL_UART_ERROR_PE 0x00000001U /*!< Parity error */
  215. #define HAL_UART_ERROR_NE 0x00000002U /*!< Noise error */
  216. #define HAL_UART_ERROR_FE 0x00000004U /*!< Frame error */
  217. #define HAL_UART_ERROR_ORE 0x00000008U /*!< Overrun error */
  218. #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
  219. #define HAL_UART_ERROR_INVALID_CALLBACK 0x00000020U /*!< Invalid Callback error */
  220. #endif /* USE_HAL_UART_REGISTER_CALLBACKS */
  221. /**
  222. * @}
  223. */
  224. /** @defgroup UART_Word_Length UART Word Length
  225. * @{
  226. */
  227. #define UART_WORDLENGTH_8B 0x00000000U
  228. #define UART_WORDLENGTH_9B ((uint32_t)USART_CR1_M)
  229. /**
  230. * @}
  231. */
  232. /** @defgroup UART_Stop_Bits UART Number of Stop Bits
  233. * @{
  234. */
  235. #define UART_STOPBITS_1 0x00000000U
  236. #define UART_STOPBITS_2 ((uint32_t)USART_CR2_STOP)
  237. /**
  238. * @}
  239. */
  240. /** @defgroup UART_Parity UART Parity
  241. * @{
  242. */
  243. #define UART_PARITY_NONE 0x00000000U
  244. #define UART_PARITY_EVEN ((uint32_t)USART_CR1_PCE)
  245. #define UART_PARITY_ODD ((uint32_t)(USART_CR1_PCE | USART_CR1_PS))
  246. /**
  247. * @}
  248. */
  249. /** @defgroup UART_Hardware_Flow_Control UART Hardware Flow Control
  250. * @{
  251. */
  252. #define UART_HWCONTROL_NONE 0x00000000U
  253. #define UART_HWCONTROL_RTS ((uint32_t)USART_CR3_RTSE)
  254. #define UART_HWCONTROL_CTS ((uint32_t)USART_CR3_CTSE)
  255. #define UART_HWCONTROL_RTS_CTS ((uint32_t)(USART_CR3_RTSE | USART_CR3_CTSE))
  256. /**
  257. * @}
  258. */
  259. /** @defgroup UART_Mode UART Transfer Mode
  260. * @{
  261. */
  262. #define UART_MODE_RX ((uint32_t)USART_CR1_RE)
  263. #define UART_MODE_TX ((uint32_t)USART_CR1_TE)
  264. #define UART_MODE_TX_RX ((uint32_t)(USART_CR1_TE | USART_CR1_RE))
  265. /**
  266. * @}
  267. */
  268. /** @defgroup UART_State UART State
  269. * @{
  270. */
  271. #define UART_STATE_DISABLE 0x00000000U
  272. #define UART_STATE_ENABLE ((uint32_t)USART_CR1_UE)
  273. /**
  274. * @}
  275. */
  276. /** @defgroup UART_Over_Sampling UART Over Sampling
  277. * @{
  278. */
  279. #define UART_OVERSAMPLING_16 0x00000000U
  280. #if defined(USART_CR3_OVER8)
  281. #define UART_OVERSAMPLING_8 ((uint32_t)USART_CR3_OVER8)
  282. #endif /* USART_CR3_OVER8 */
  283. /**
  284. * @}
  285. */
  286. /** @defgroup UART_LIN_Break_Detection_Length UART LIN Break Detection Length
  287. * @{
  288. */
  289. #define UART_LINBREAKDETECTLENGTH_10B 0x00000000U
  290. #define UART_LINBREAKDETECTLENGTH_11B ((uint32_t)USART_CR2_LBDL)
  291. /**
  292. * @}
  293. */
  294. /** @defgroup UART_WakeUp_functions UART Wakeup Functions
  295. * @{
  296. */
  297. #define UART_WAKEUPMETHOD_IDLELINE 0x00000000U
  298. #define UART_WAKEUPMETHOD_ADDRESSMARK ((uint32_t)USART_CR1_WAKE)
  299. /**
  300. * @}
  301. */
  302. /** @defgroup UART_Flags UART FLags
  303. * Elements values convention: 0xXXXX
  304. * - 0xXXXX : Flag mask in the SR register
  305. * @{
  306. */
  307. #define UART_FLAG_ABRF ((uint32_t)USART_SR_ABRF) /*!< UART auto Baud rate flag */
  308. #define UART_FLAG_ABRE ((uint32_t)USART_SR_ABRE) /*!< UART auto Baud rate error */
  309. #define UART_FLAG_CTS ((uint32_t)USART_SR_CTS)
  310. #define UART_FLAG_TXE ((uint32_t)USART_SR_TXE)
  311. #define UART_FLAG_TC ((uint32_t)USART_SR_TC)
  312. #define UART_FLAG_RXNE ((uint32_t)USART_SR_RXNE)
  313. #define UART_FLAG_IDLE ((uint32_t)USART_SR_IDLE)
  314. #define UART_FLAG_ORE ((uint32_t)USART_SR_ORE)
  315. #define UART_FLAG_NE ((uint32_t)USART_SR_NE)
  316. #define UART_FLAG_FE ((uint32_t)USART_SR_FE)
  317. #define UART_FLAG_PE ((uint32_t)USART_SR_PE)
  318. /**
  319. * @}
  320. */
  321. /** @defgroup UART_Interrupt_definition UART Interrupt Definitions
  322. * Elements values convention: 0xY000XXXX
  323. * - XXXX : Interrupt mask (16 bits) in the Y register
  324. * - Y : Interrupt source register (2bits)
  325. * - 0001: CR1 register
  326. * - 0010: CR2 register
  327. * - 0011: CR3 register
  328. * @{
  329. */
  330. #define UART_IT_PE ((uint32_t)(UART_CR1_REG_INDEX << 28U | USART_CR1_PEIE))
  331. #define UART_IT_TXE ((uint32_t)(UART_CR1_REG_INDEX << 28U | USART_CR1_TXEIE))
  332. #define UART_IT_TC ((uint32_t)(UART_CR1_REG_INDEX << 28U | USART_CR1_TCIE))
  333. #define UART_IT_RXNE ((uint32_t)(UART_CR1_REG_INDEX << 28U | USART_CR1_RXNEIE))
  334. #define UART_IT_IDLE ((uint32_t)(UART_CR1_REG_INDEX << 28U | USART_CR1_IDLEIE))
  335. #define UART_IT_CTS ((uint32_t)(UART_CR3_REG_INDEX << 28U | USART_CR3_CTSIE))
  336. #define UART_IT_ERR ((uint32_t)(UART_CR3_REG_INDEX << 28U | USART_CR3_EIE))
  337. /**
  338. * @}
  339. */
  340. /** @defgroup UART_Advanced_Features_Initialization_Type UART Advanced Feature Initialization Type
  341. * @{
  342. */
  343. #define UART_ADVFEATURE_NO_INIT 0x00000000U /*!< No advanced feature initialization */
  344. #define UART_ADVFEATURE_AUTOBAUDRATE_INIT 0x00000040U /*!< Auto Baud rate detection initialization */
  345. /**
  346. * @}
  347. */
  348. /** @defgroup UART_AutoBaudRate_Enable UART Advanced Feature Auto BaudRate Enable
  349. * @{
  350. */
  351. #define UART_ADVFEATURE_AUTOBAUDRATE_DISABLE 0x00000000U /*!< RX Auto Baud rate detection enable */
  352. #define UART_ADVFEATURE_AUTOBAUDRATE_ENABLE USART_CR3_ABREN /*!< RX Auto Baud rate detection disable */
  353. /**
  354. * @}
  355. */
  356. /** @defgroup UART_AutoBaud_Rate_Mode UART Advanced Feature AutoBaud Rate Mode
  357. * @{
  358. */
  359. #define UART_ADVFEATURE_AUTOBAUDRATE_ONSTARTBIT 0x00000000U /*!< Auto Baud rate detection on start bit */
  360. #define UART_ADVFEATURE_AUTOBAUDRATE_ONFALLINGEDGE USART_CR3_ABRMODE_0 /*!< Auto Baud rate detection on falling edge */
  361. /**
  362. * @}
  363. */
  364. /**
  365. * @}
  366. */
  367. /* Exported macro ------------------------------------------------------------*/
  368. /** @defgroup UART_Exported_Macros UART Exported Macros
  369. * @{
  370. */
  371. /** @brief Reset UART handle gstate & RxState
  372. * @param __HANDLE__ specifies the UART Handle.
  373. * UART Handle selects the USARTx or UARTy peripheral
  374. * (USART,UART availability and x,y values depending on device).
  375. * @retval None
  376. */
  377. #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
  378. #define __HAL_UART_RESET_HANDLE_STATE(__HANDLE__) do{ \
  379. (__HANDLE__)->gState = HAL_UART_STATE_RESET; \
  380. (__HANDLE__)->RxState = HAL_UART_STATE_RESET; \
  381. (__HANDLE__)->MspInitCallback = NULL; \
  382. (__HANDLE__)->MspDeInitCallback = NULL; \
  383. } while(0U)
  384. #else
  385. #define __HAL_UART_RESET_HANDLE_STATE(__HANDLE__) do{ \
  386. (__HANDLE__)->gState = HAL_UART_STATE_RESET; \
  387. (__HANDLE__)->RxState = HAL_UART_STATE_RESET; \
  388. } while(0U)
  389. #endif /*USE_HAL_UART_REGISTER_CALLBACKS */
  390. /** @brief Flushes the UART DR register
  391. * @param __HANDLE__ specifies the UART Handle.
  392. * UART Handle selects the USARTx or UARTy peripheral
  393. * (USART,UART availability and x,y values depending on device).
  394. */
  395. #define __HAL_UART_FLUSH_DRREGISTER(__HANDLE__) ((__HANDLE__)->Instance->DR)
  396. /** @brief Checks whether the specified UART flag is set or not.
  397. * @param __HANDLE__ specifies the UART Handle.
  398. * UART Handle selects the USARTx or UARTy peripheral
  399. * (USART,UART availability and x,y values depending on device).
  400. * @param __FLAG__ specifies the flag to check.
  401. * This parameter can be one of the following values:
  402. * @arg UART_FLAG_CTS: CTS Change flag
  403. * @arg UART_FLAG_TXE: Transmit data register empty flag
  404. * @arg UART_FLAG_TC: Transmission Complete flag
  405. * @arg UART_FLAG_RXNE: Receive data register not empty flag
  406. * @arg UART_FLAG_IDLE: Idle Line detection flag
  407. * @arg UART_FLAG_ORE: Overrun Error flag
  408. * @arg UART_FLAG_NE: Noise Error flag
  409. * @arg UART_FLAG_FE: Framing Error flag
  410. * @arg UART_FLAG_PE: Parity Error flag
  411. * @retval The new state of __FLAG__ (TRUE or FALSE).
  412. */
  413. #define __HAL_UART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__))
  414. /** @brief Clears the specified UART pending flag.
  415. * @param __HANDLE__ specifies the UART Handle.
  416. * UART Handle selects the USARTx or UARTy peripheral
  417. * (USART,UART availability and x,y values depending on device).
  418. * @param __FLAG__ specifies the flag to check.
  419. * This parameter can be any combination of the following values:
  420. * @arg UART_FLAG_CTS: CTS Change flag.
  421. * @arg UART_FLAG_TC: Transmission Complete flag.
  422. * @arg UART_FLAG_RXNE: Receive data register not empty flag.
  423. *
  424. * @note PE (Parity error), FE (Framing error), NE (Noise error), ORE (Overrun
  425. * error) and IDLE (Idle line detected) flags are cleared by software
  426. * sequence: a read operation to USART_SR register followed by a read
  427. * operation to USART_DR register.
  428. * @note RXNE flag can be also cleared by a read to the USART_DR register.
  429. * @note TC flag can be also cleared by software sequence: a read operation to
  430. * USART_SR register followed by a write operation to USART_DR register.
  431. * @note TXE flag is cleared only by a write to the USART_DR register.
  432. *
  433. * @retval None
  434. */
  435. #define __HAL_UART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->SR = ~(__FLAG__))
  436. /** @brief Clears the UART PE pending flag.
  437. * @param __HANDLE__ specifies the UART Handle.
  438. * UART Handle selects the USARTx or UARTy peripheral
  439. * (USART,UART availability and x,y values depending on device).
  440. * @retval None
  441. */
  442. #define __HAL_UART_CLEAR_PEFLAG(__HANDLE__) \
  443. do{ \
  444. __IO uint32_t tmpreg = 0x00U; \
  445. tmpreg = (__HANDLE__)->Instance->SR; \
  446. tmpreg = (__HANDLE__)->Instance->DR; \
  447. UNUSED(tmpreg); \
  448. } while(0U)
  449. /** @brief Clears the UART FE pending flag.
  450. * @param __HANDLE__ specifies the UART Handle.
  451. * UART Handle selects the USARTx or UARTy peripheral
  452. * (USART,UART availability and x,y values depending on device).
  453. * @retval None
  454. */
  455. #define __HAL_UART_CLEAR_FEFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__)
  456. /** @brief Clears the UART NE pending flag.
  457. * @param __HANDLE__ specifies the UART Handle.
  458. * UART Handle selects the USARTx or UARTy peripheral
  459. * (USART,UART availability and x,y values depending on device).
  460. * @retval None
  461. */
  462. #define __HAL_UART_CLEAR_NEFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__)
  463. /** @brief Clears the UART ORE pending flag.
  464. * @param __HANDLE__ specifies the UART Handle.
  465. * UART Handle selects the USARTx or UARTy peripheral
  466. * (USART,UART availability and x,y values depending on device).
  467. * @retval None
  468. */
  469. #define __HAL_UART_CLEAR_OREFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__)
  470. /** @brief Clears the UART IDLE pending flag.
  471. * @param __HANDLE__ specifies the UART Handle.
  472. * UART Handle selects the USARTx or UARTy peripheral
  473. * (USART,UART availability and x,y values depending on device).
  474. * @retval None
  475. */
  476. #define __HAL_UART_CLEAR_IDLEFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__)
  477. /** @brief Enable the specified UART interrupt.
  478. * @param __HANDLE__ specifies the UART Handle.
  479. * UART Handle selects the USARTx or UARTy peripheral
  480. * (USART,UART availability and x,y values depending on device).
  481. * @param __INTERRUPT__ specifies the UART interrupt source to enable.
  482. * This parameter can be one of the following values:
  483. * @arg UART_IT_CTS: CTS change interrupt
  484. * @arg UART_IT_LBD: LIN Break detection interrupt
  485. * @arg UART_IT_TXE: Transmit Data Register empty interrupt
  486. * @arg UART_IT_TC: Transmission complete interrupt
  487. * @arg UART_IT_RXNE: Receive Data register not empty interrupt
  488. * @arg UART_IT_IDLE: Idle line detection interrupt
  489. * @arg UART_IT_PE: Parity Error interrupt
  490. * @arg UART_IT_ERR: Error interrupt(Frame error, noise error, overrun error)
  491. * @retval None
  492. */
  493. #define __HAL_UART_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28U) == UART_CR1_REG_INDEX)? ((__HANDLE__)->Instance->CR1 |= ((__INTERRUPT__) & UART_IT_MASK)): \
  494. (((__INTERRUPT__) >> 28U) == UART_CR2_REG_INDEX)? ((__HANDLE__)->Instance->CR2 |= ((__INTERRUPT__) & UART_IT_MASK)): \
  495. ((__HANDLE__)->Instance->CR3 |= ((__INTERRUPT__) & UART_IT_MASK)))
  496. /** @brief Disable the specified UART interrupt.
  497. * @param __HANDLE__ specifies the UART Handle.
  498. * UART Handle selects the USARTx or UARTy peripheral
  499. * (USART,UART availability and x,y values depending on device).
  500. * @param __INTERRUPT__ specifies the UART interrupt source to disable.
  501. * This parameter can be one of the following values:
  502. * @arg UART_IT_CTS: CTS change interrupt
  503. * @arg UART_IT_LBD: LIN Break detection interrupt
  504. * @arg UART_IT_TXE: Transmit Data Register empty interrupt
  505. * @arg UART_IT_TC: Transmission complete interrupt
  506. * @arg UART_IT_RXNE: Receive Data register not empty interrupt
  507. * @arg UART_IT_IDLE: Idle line detection interrupt
  508. * @arg UART_IT_PE: Parity Error interrupt
  509. * @arg UART_IT_ERR: Error interrupt(Frame error, noise error, overrun error)
  510. * @retval None
  511. */
  512. #define __HAL_UART_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28U) == UART_CR1_REG_INDEX)? ((__HANDLE__)->Instance->CR1 &= ~((__INTERRUPT__) & UART_IT_MASK)): \
  513. (((__INTERRUPT__) >> 28U) == UART_CR2_REG_INDEX)? ((__HANDLE__)->Instance->CR2 &= ~((__INTERRUPT__) & UART_IT_MASK)): \
  514. ((__HANDLE__)->Instance->CR3 &= ~ ((__INTERRUPT__) & UART_IT_MASK)))
  515. /** @brief Checks whether the specified UART interrupt has occurred or not.
  516. * @param __HANDLE__ specifies the UART Handle.
  517. * UART Handle selects the USARTx or UARTy peripheral
  518. * (USART,UART availability and x,y values depending on device).
  519. * @param __IT__ specifies the UART interrupt source to check.
  520. * This parameter can be one of the following values:
  521. * @arg UART_IT_CTS: CTS change interrupt
  522. * @arg UART_IT_LBD: LIN Break detection interrupt
  523. * @arg UART_IT_TXE: Transmit Data Register empty interrupt
  524. * @arg UART_IT_TC: Transmission complete interrupt
  525. * @arg UART_IT_RXNE: Receive Data register not empty interrupt
  526. * @arg UART_IT_IDLE: Idle line detection interrupt
  527. * @arg UART_IT_ERR: Error interrupt
  528. * @retval The new state of __IT__ (TRUE or FALSE).
  529. */
  530. #define __HAL_UART_GET_IT_SOURCE(__HANDLE__, __IT__) (((((__IT__) >> 28U) == UART_CR1_REG_INDEX)? (__HANDLE__)->Instance->CR1:(((((uint32_t)(__IT__)) >> 28U) == UART_CR2_REG_INDEX)? \
  531. (__HANDLE__)->Instance->CR2 : (__HANDLE__)->Instance->CR3)) & (((uint32_t)(__IT__)) & UART_IT_MASK))
  532. /** @brief Enable CTS flow control
  533. * @note This macro allows to enable CTS hardware flow control for a given UART instance,
  534. * without need to call HAL_UART_Init() function.
  535. * As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
  536. * @note As macro is expected to be used for modifying CTS Hw flow control feature activation, without need
  537. * for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
  538. * - UART instance should have already been initialised (through call of HAL_UART_Init() )
  539. * - macro could only be called when corresponding UART instance is disabled (i.e __HAL_UART_DISABLE(__HANDLE__))
  540. * and should be followed by an Enable macro (i.e __HAL_UART_ENABLE(__HANDLE__)).
  541. * @param __HANDLE__ specifies the UART Handle.
  542. * The Handle Instance can be any USARTx (supporting the HW Flow control feature).
  543. * It is used to select the USART peripheral (USART availability and x value depending on device).
  544. * @retval None
  545. */
  546. #define __HAL_UART_HWCONTROL_CTS_ENABLE(__HANDLE__) \
  547. do{ \
  548. SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE); \
  549. (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_CTSE; \
  550. } while(0U)
  551. /** @brief Disable CTS flow control
  552. * @note This macro allows to disable CTS hardware flow control for a given UART instance,
  553. * without need to call HAL_UART_Init() function.
  554. * As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
  555. * @note As macro is expected to be used for modifying CTS Hw flow control feature activation, without need
  556. * for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
  557. * - UART instance should have already been initialised (through call of HAL_UART_Init() )
  558. * - macro could only be called when corresponding UART instance is disabled (i.e __HAL_UART_DISABLE(__HANDLE__))
  559. * and should be followed by an Enable macro (i.e __HAL_UART_ENABLE(__HANDLE__)).
  560. * @param __HANDLE__ specifies the UART Handle.
  561. * The Handle Instance can be any USARTx (supporting the HW Flow control feature).
  562. * It is used to select the USART peripheral (USART availability and x value depending on device).
  563. * @retval None
  564. */
  565. #define __HAL_UART_HWCONTROL_CTS_DISABLE(__HANDLE__) \
  566. do{ \
  567. CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE); \
  568. (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_CTSE); \
  569. } while(0U)
  570. /** @brief Enable RTS flow control
  571. * This macro allows to enable RTS hardware flow control for a given UART instance,
  572. * without need to call HAL_UART_Init() function.
  573. * As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
  574. * @note As macro is expected to be used for modifying RTS Hw flow control feature activation, without need
  575. * for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
  576. * - UART instance should have already been initialised (through call of HAL_UART_Init() )
  577. * - macro could only be called when corresponding UART instance is disabled (i.e __HAL_UART_DISABLE(__HANDLE__))
  578. * and should be followed by an Enable macro (i.e __HAL_UART_ENABLE(__HANDLE__)).
  579. * @param __HANDLE__ specifies the UART Handle.
  580. * The Handle Instance can be any USARTx (supporting the HW Flow control feature).
  581. * It is used to select the USART peripheral (USART availability and x value depending on device).
  582. * @retval None
  583. */
  584. #define __HAL_UART_HWCONTROL_RTS_ENABLE(__HANDLE__) \
  585. do{ \
  586. SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE); \
  587. (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_RTSE; \
  588. } while(0U)
  589. /** @brief Disable RTS flow control
  590. * This macro allows to disable RTS hardware flow control for a given UART instance,
  591. * without need to call HAL_UART_Init() function.
  592. * As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
  593. * @note As macro is expected to be used for modifying RTS Hw flow control feature activation, without need
  594. * for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
  595. * - UART instance should have already been initialised (through call of HAL_UART_Init() )
  596. * - macro could only be called when corresponding UART instance is disabled (i.e __HAL_UART_DISABLE(__HANDLE__))
  597. * and should be followed by an Enable macro (i.e __HAL_UART_ENABLE(__HANDLE__)).
  598. * @param __HANDLE__ specifies the UART Handle.
  599. * The Handle Instance can be any USARTx (supporting the HW Flow control feature).
  600. * It is used to select the USART peripheral (USART availability and x value depending on device).
  601. * @retval None
  602. */
  603. #define __HAL_UART_HWCONTROL_RTS_DISABLE(__HANDLE__) \
  604. do{ \
  605. CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE);\
  606. (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_RTSE); \
  607. } while(0U)
  608. #if defined(USART_CR3_ONEBIT)
  609. /** @brief Macro to enable the UART's one bit sample method
  610. * @param __HANDLE__ specifies the UART Handle.
  611. * @retval None
  612. */
  613. #define __HAL_UART_ONE_BIT_SAMPLE_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3|= USART_CR3_ONEBIT)
  614. /** @brief Macro to disable the UART's one bit sample method
  615. * @param __HANDLE__ specifies the UART Handle.
  616. * @retval None
  617. */
  618. #define __HAL_UART_ONE_BIT_SAMPLE_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 &= (uint16_t)~((uint16_t)USART_CR3_ONEBIT))
  619. #endif /* UART_ONE_BIT_SAMPLE_Feature */
  620. /** @brief Enable UART
  621. * @param __HANDLE__ specifies the UART Handle.
  622. * @retval None
  623. */
  624. #define __HAL_UART_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 |= USART_CR1_UE)
  625. /** @brief Disable UART
  626. * @param __HANDLE__ specifies the UART Handle.
  627. * @retval None
  628. */
  629. #define __HAL_UART_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 &= ~USART_CR1_UE)
  630. /** @brief Send Auto-Baud Rate Request.
  631. * @param __HANDLE__ specifies the UART Handle.
  632. * @retval None
  633. */
  634. #define __HAL_UART_SEND_AUTOBAUD_REQ(__HANDLE__) ((__HANDLE__)->Instance->SR |= (uint16_t)(USART_SR_ABRRQ))
  635. /**
  636. * @}
  637. */
  638. /* Exported functions --------------------------------------------------------*/
  639. /** @addtogroup UART_Exported_Functions
  640. * @{
  641. */
  642. /** @addtogroup UART_Exported_Functions_Group1 Initialization and de-initialization functions
  643. * @{
  644. */
  645. /* Initialization/de-initialization functions **********************************/
  646. HAL_StatusTypeDef HAL_UART_Init(UART_HandleTypeDef *huart);
  647. HAL_StatusTypeDef HAL_HalfDuplex_Init(UART_HandleTypeDef *huart);
  648. HAL_StatusTypeDef HAL_MultiProcessor_Init(UART_HandleTypeDef *huart, uint8_t Address, uint32_t WakeUpMethod);
  649. HAL_StatusTypeDef HAL_UART_DeInit(UART_HandleTypeDef *huart);
  650. void HAL_UART_MspInit(UART_HandleTypeDef *huart);
  651. void HAL_UART_MspDeInit(UART_HandleTypeDef *huart);
  652. /* Callbacks Register/UnRegister functions ***********************************/
  653. #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
  654. HAL_StatusTypeDef HAL_UART_RegisterCallback(UART_HandleTypeDef *huart, HAL_UART_CallbackIDTypeDef CallbackID, pUART_CallbackTypeDef pCallback);
  655. HAL_StatusTypeDef HAL_UART_UnRegisterCallback(UART_HandleTypeDef *huart, HAL_UART_CallbackIDTypeDef CallbackID);
  656. #endif /* USE_HAL_UART_REGISTER_CALLBACKS */
  657. /**
  658. * @}
  659. */
  660. /** @addtogroup UART_Exported_Functions_Group2 IO operation functions
  661. * @{
  662. */
  663. /* IO operation functions *******************************************************/
  664. HAL_StatusTypeDef HAL_UART_Transmit(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout);
  665. HAL_StatusTypeDef HAL_UART_Receive(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout);
  666. HAL_StatusTypeDef HAL_UART_Transmit_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
  667. HAL_StatusTypeDef HAL_UART_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
  668. /* Transfer Abort functions */
  669. HAL_StatusTypeDef HAL_UART_Abort(UART_HandleTypeDef *huart);
  670. HAL_StatusTypeDef HAL_UART_AbortTransmit(UART_HandleTypeDef *huart);
  671. HAL_StatusTypeDef HAL_UART_AbortReceive(UART_HandleTypeDef *huart);
  672. HAL_StatusTypeDef HAL_UART_Abort_IT(UART_HandleTypeDef *huart);
  673. HAL_StatusTypeDef HAL_UART_AbortTransmit_IT(UART_HandleTypeDef *huart);
  674. HAL_StatusTypeDef HAL_UART_AbortReceive_IT(UART_HandleTypeDef *huart);
  675. void HAL_UART_IRQHandler(UART_HandleTypeDef *huart);
  676. void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart);
  677. void HAL_UART_TxHalfCpltCallback(UART_HandleTypeDef *huart);
  678. void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart);
  679. void HAL_UART_RxHalfCpltCallback(UART_HandleTypeDef *huart);
  680. void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart);
  681. void HAL_UART_AbortCpltCallback(UART_HandleTypeDef *huart);
  682. void HAL_UART_AbortTransmitCpltCallback(UART_HandleTypeDef *huart);
  683. void HAL_UART_AbortReceiveCpltCallback(UART_HandleTypeDef *huart);
  684. void HAL_UART_IdleFrameDetectCpltCallback(UART_HandleTypeDef *huart);
  685. /**
  686. * @}
  687. */
  688. /** @addtogroup UART_Exported_Functions_Group3
  689. * @{
  690. */
  691. /* Peripheral Control functions ************************************************/
  692. HAL_StatusTypeDef HAL_MultiProcessor_EnterMuteMode(UART_HandleTypeDef *huart);
  693. HAL_StatusTypeDef HAL_MultiProcessor_ExitMuteMode(UART_HandleTypeDef *huart);
  694. HAL_StatusTypeDef HAL_HalfDuplex_EnableTransmitter(UART_HandleTypeDef *huart);
  695. HAL_StatusTypeDef HAL_HalfDuplex_EnableReceiver(UART_HandleTypeDef *huart);
  696. /**
  697. * @}
  698. */
  699. /** @addtogroup UART_Exported_Functions_Group4
  700. * @{
  701. */
  702. /* Peripheral State functions **************************************************/
  703. HAL_UART_StateTypeDef HAL_UART_GetState(UART_HandleTypeDef *huart);
  704. uint32_t HAL_UART_GetError(UART_HandleTypeDef *huart);
  705. /**
  706. * @}
  707. */
  708. /**
  709. * @}
  710. */
  711. /* Private types -------------------------------------------------------------*/
  712. /* Private variables ---------------------------------------------------------*/
  713. /* Private constants ---------------------------------------------------------*/
  714. /** @defgroup UART_Private_Constants UART Private Constants
  715. * @{
  716. */
  717. /** @brief UART interruptions flag mask
  718. *
  719. */
  720. #define UART_IT_MASK 0x0000FFFFU
  721. #define UART_CR1_REG_INDEX 1U
  722. #define UART_CR2_REG_INDEX 2U
  723. #define UART_CR3_REG_INDEX 3U
  724. /**
  725. * @}
  726. */
  727. /* Private macros ------------------------------------------------------------*/
  728. /** @defgroup UART_Private_Macros UART Private Macros
  729. * @{
  730. */
  731. #define IS_UART_WORD_LENGTH(LENGTH) (((LENGTH) == UART_WORDLENGTH_8B) || \
  732. ((LENGTH) == UART_WORDLENGTH_9B))
  733. #define IS_UART_LIN_WORD_LENGTH(LENGTH) (((LENGTH) == UART_WORDLENGTH_8B))
  734. #define IS_UART_STOPBITS(STOPBITS) (((STOPBITS) == UART_STOPBITS_1) || \
  735. ((STOPBITS) == UART_STOPBITS_2))
  736. #define IS_UART_PARITY(PARITY) (((PARITY) == UART_PARITY_NONE) || \
  737. ((PARITY) == UART_PARITY_EVEN) || \
  738. ((PARITY) == UART_PARITY_ODD))
  739. #define IS_UART_HARDWARE_FLOW_CONTROL(CONTROL)\
  740. (((CONTROL) == UART_HWCONTROL_NONE) || \
  741. ((CONTROL) == UART_HWCONTROL_RTS) || \
  742. ((CONTROL) == UART_HWCONTROL_CTS) || \
  743. ((CONTROL) == UART_HWCONTROL_RTS_CTS))
  744. #define IS_UART_MODE(MODE) ((((MODE) & (~((uint32_t)UART_MODE_TX_RX))) == 0x00U) && ((MODE) != 0x00U))
  745. #define IS_UART_STATE(STATE) (((STATE) == UART_STATE_DISABLE) || \
  746. ((STATE) == UART_STATE_ENABLE))
  747. #if defined(USART_CR3_OVER8)
  748. #define IS_UART_OVERSAMPLING(SAMPLING) (((SAMPLING) == UART_OVERSAMPLING_16) || \
  749. ((SAMPLING) == UART_OVERSAMPLING_8))
  750. #endif /* USART_CR3_OVER8 */
  751. #define IS_UART_LIN_OVERSAMPLING(SAMPLING) (((SAMPLING) == UART_OVERSAMPLING_16))
  752. #define IS_UART_LIN_BREAK_DETECT_LENGTH(LENGTH) (((LENGTH) == UART_LINBREAKDETECTLENGTH_10B) || \
  753. ((LENGTH) == UART_LINBREAKDETECTLENGTH_11B))
  754. #define IS_UART_WAKEUPMETHOD(WAKEUP) (((WAKEUP) == UART_WAKEUPMETHOD_IDLELINE) || \
  755. ((WAKEUP) == UART_WAKEUPMETHOD_ADDRESSMARK))
  756. #define IS_UART_BAUDRATE(BAUDRATE) ((BAUDRATE) <= 4500000U)
  757. #define IS_UART_ADDRESS(ADDRESS) ((ADDRESS) <= 0x0FU)
  758. #define IS_UART_ADVFEATURE_INIT(__PARAM__) (((__PARAM__) == UART_ADVFEATURE_NO_INIT) || \
  759. ((__PARAM__) == UART_ADVFEATURE_AUTOBAUDRATE_INIT))
  760. #define IS_UART_ADVFEATURE_AUTOBAUDRATE(__PARAM__) (((__PARAM__) == UART_ADVFEATURE_AUTOBAUDRATE_DISABLE) || \
  761. ((__PARAM__) == UART_ADVFEATURE_AUTOBAUDRATE_ENABLE))
  762. #define IS_UART_ADVFEATURE_AUTOBAUDRATEMODE(__PARAM__) (((__PARAM__) == UART_ADVFEATURE_AUTOBAUDRATE_ONSTARTBIT) || \
  763. ((__PARAM__) == UART_ADVFEATURE_AUTOBAUDRATE_ONFALLINGEDGE))
  764. #define UART_DIV_SAMPLING16(_PCLK_, _BAUD_) (((_PCLK_)*25U)/(4U*(_BAUD_)))
  765. #define UART_DIVMANT_SAMPLING16(_PCLK_, _BAUD_) (UART_DIV_SAMPLING16((_PCLK_), (_BAUD_))/100U)
  766. #define UART_DIVFRAQ_SAMPLING16(_PCLK_, _BAUD_) (((UART_DIV_SAMPLING16((_PCLK_), (_BAUD_)) - (UART_DIVMANT_SAMPLING16((_PCLK_), (_BAUD_)) * 100U)) * 16U + 50U) / 100U)
  767. /* UART BRR = mantissa + overflow + fraction
  768. = (UART DIVMANT << 4) + (UART DIVFRAQ & 0xF0) + (UART DIVFRAQ & 0x0FU) */
  769. #define UART_BRR_SAMPLING16(_PCLK_, _BAUD_) (((UART_DIVMANT_SAMPLING16((_PCLK_), (_BAUD_)) << 4U) + \
  770. (UART_DIVFRAQ_SAMPLING16((_PCLK_), (_BAUD_)) & 0xF0U)) + \
  771. (UART_DIVFRAQ_SAMPLING16((_PCLK_), (_BAUD_)) & 0x0FU))
  772. #define UART_DIV_SAMPLING8(_PCLK_, _BAUD_) (((_PCLK_)*25U)/(2U*(_BAUD_)))
  773. #define UART_DIVMANT_SAMPLING8(_PCLK_, _BAUD_) (UART_DIV_SAMPLING8((_PCLK_), (_BAUD_))/100U)
  774. #define UART_DIVFRAQ_SAMPLING8(_PCLK_, _BAUD_) (((UART_DIV_SAMPLING8((_PCLK_), (_BAUD_)) - (UART_DIVMANT_SAMPLING8((_PCLK_), (_BAUD_)) * 100U)) * 8U + 50U) / 100U)
  775. /* UART BRR = mantissa + overflow + fraction
  776. = (UART DIVMANT << 4) + ((UART DIVFRAQ & 0xF8) << 1) + (UART DIVFRAQ & 0x07U) */
  777. #define UART_BRR_SAMPLING8(_PCLK_, _BAUD_) (((UART_DIVMANT_SAMPLING8((_PCLK_), (_BAUD_)) << 4U) + \
  778. ((UART_DIVFRAQ_SAMPLING8((_PCLK_), (_BAUD_)) & 0xF8U) << 1U)) + \
  779. (UART_DIVFRAQ_SAMPLING8((_PCLK_), (_BAUD_)) & 0x07U))
  780. /**
  781. * @}
  782. */
  783. /**
  784. * @}
  785. */
  786. /**
  787. * @}
  788. */
  789. #ifdef __cplusplus
  790. }
  791. #endif
  792. #endif /* __PY32F002B_HAL_UART_H */
  793. /************************ (C) COPYRIGHT Puya *****END OF FILE****/