1 /**
2   ******************************************************************************
3   * @file    stm32u0xx_hal_uart.h
4   * @author  MCD Application Team
5   * @brief   Header file of UART HAL module.
6   ******************************************************************************
7   * @attention
8   *
9   * Copyright (c) 2023 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 
19 /* Define to prevent recursive inclusion -------------------------------------*/
20 #ifndef STM32U0xx_HAL_UART_H
21 #define STM32U0xx_HAL_UART_H
22 
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26 
27 /* Includes ------------------------------------------------------------------*/
28 #include "stm32u0xx_hal_def.h"
29 
30 /** @addtogroup STM32U0xx_HAL_Driver
31   * @{
32   */
33 
34 /** @addtogroup UART
35   * @{
36   */
37 
38 /* Exported types ------------------------------------------------------------*/
39 /** @defgroup UART_Exported_Types UART Exported Types
40   * @{
41   */
42 
43 /**
44   * @brief UART Init Structure definition
45   */
46 typedef struct
47 {
48   uint32_t BaudRate;                /*!< This member configures the UART communication baud rate.
49                                          The baud rate register is computed using the following formula:
50                                          LPUART:
51                                          =======
52                                          Baud Rate Register = ((256 * lpuart_ker_ckpres) / ((huart->Init.BaudRate)))
53                                          where lpuart_ker_ck_pres is the UART input clock divided by a prescaler
54                                          UART:
55                                          =====
56                                          - If oversampling is 16 or in LIN mode,
57                                             Baud Rate Register = ((uart_ker_ckpres) / ((huart->Init.BaudRate)))
58                                          - If oversampling is 8,
59                                             Baud Rate Register[15:4] = ((2 * uart_ker_ckpres) /
60                                             ((huart->Init.BaudRate)))[15:4]
61                                             Baud Rate Register[3] =  0
62                                             Baud Rate Register[2:0] =  (((2 * uart_ker_ckpres) /
63                                             ((huart->Init.BaudRate)))[3:0]) >> 1
64                                          where uart_ker_ck_pres is the UART input clock divided by a prescaler */
65 
66   uint32_t WordLength;              /*!< Specifies the number of data bits transmitted or received in a frame.
67                                          This parameter can be a value of @ref UARTEx_Word_Length. */
68 
69   uint32_t StopBits;                /*!< Specifies the number of stop bits transmitted.
70                                          This parameter can be a value of @ref UART_Stop_Bits. */
71 
72   uint32_t Parity;                  /*!< Specifies the parity mode.
73                                          This parameter can be a value of @ref UART_Parity
74                                          @note When parity is enabled, the computed parity is inserted
75                                                at the MSB position of the transmitted data (9th bit when
76                                                the word length is set to 9 data bits; 8th bit when the
77                                                word length is set to 8 data bits). */
78 
79   uint32_t Mode;                    /*!< Specifies whether the Receive or Transmit mode is enabled or disabled.
80                                          This parameter can be a value of @ref UART_Mode. */
81 
82   uint32_t HwFlowCtl;               /*!< Specifies whether the hardware flow control mode is enabled
83                                          or disabled.
84                                          This parameter can be a value of @ref UART_Hardware_Flow_Control. */
85 
86   uint32_t OverSampling;            /*!< Specifies whether the Over sampling 8 is enabled or disabled,
87                                          to achieve higher speed (up to f_PCLK/8).
88                                          This parameter can be a value of @ref UART_Over_Sampling. */
89 
90   uint32_t OneBitSampling;          /*!< Specifies whether a single sample or three samples' majority vote is selected.
91                                          Selecting the single sample method increases the receiver tolerance to clock
92                                          deviations. This parameter can be a value of @ref UART_OneBit_Sampling. */
93 
94   uint32_t ClockPrescaler;          /*!< Specifies the prescaler value used to divide the UART clock source.
95                                          This parameter can be a value of @ref UART_ClockPrescaler. */
96 
97 } UART_InitTypeDef;
98 
99 /**
100   * @brief  UART Advanced Features initialization structure definition
101   */
102 typedef struct
103 {
104   uint32_t AdvFeatureInit;        /*!< Specifies which advanced UART features is initialized. Several
105                                        Advanced Features may be initialized at the same time .
106                                        This parameter can be a value of
107                                        @ref UART_Advanced_Features_Initialization_Type. */
108 
109   uint32_t TxPinLevelInvert;      /*!< Specifies whether the TX pin active level is inverted.
110                                        This parameter can be a value of @ref UART_Tx_Inv. */
111 
112   uint32_t RxPinLevelInvert;      /*!< Specifies whether the RX pin active level is inverted.
113                                        This parameter can be a value of @ref UART_Rx_Inv. */
114 
115   uint32_t DataInvert;            /*!< Specifies whether data are inverted (positive/direct logic
116                                        vs negative/inverted logic).
117                                        This parameter can be a value of @ref UART_Data_Inv. */
118 
119   uint32_t Swap;                  /*!< Specifies whether TX and RX pins are swapped.
120                                        This parameter can be a value of @ref UART_Rx_Tx_Swap. */
121 
122   uint32_t OverrunDisable;        /*!< Specifies whether the reception overrun detection is disabled.
123                                        This parameter can be a value of @ref UART_Overrun_Disable. */
124 
125 #if defined(HAL_DMA_MODULE_ENABLED)
126   uint32_t DMADisableonRxError;   /*!< Specifies whether the DMA is disabled in case of reception error.
127                                        This parameter can be a value of @ref UART_DMA_Disable_on_Rx_Error. */
128 
129 #endif /* HAL_DMA_MODULE_ENABLED */
130   uint32_t AutoBaudRateEnable;    /*!< Specifies whether auto Baud rate detection is enabled.
131                                        This parameter can be a value of @ref UART_AutoBaudRate_Enable. */
132 
133   uint32_t AutoBaudRateMode;      /*!< If auto Baud rate detection is enabled, specifies how the rate
134                                        detection is carried out.
135                                        This parameter can be a value of @ref UART_AutoBaud_Rate_Mode. */
136 
137   uint32_t MSBFirst;              /*!< Specifies whether MSB is sent first on UART line.
138                                        This parameter can be a value of @ref UART_MSB_First. */
139 } UART_AdvFeatureInitTypeDef;
140 
141 /**
142   * @brief HAL UART State definition
143   * @note  HAL UART State value is a combination of 2 different substates:
144   *        gState and RxState (see @ref UART_State_Definition).
145   *        - gState contains UART state information related to global Handle management
146   *          and also information related to Tx operations.
147   *          gState value coding follow below described bitmap :
148   *          b7-b6  Error information
149   *             00 : No Error
150   *             01 : (Not Used)
151   *             10 : Timeout
152   *             11 : Error
153   *          b5     Peripheral initialization status
154   *             0  : Reset (Peripheral not initialized)
155   *             1  : Init done (Peripheral initialized. HAL UART Init function already called)
156   *          b4-b3  (not used)
157   *             xx : Should be set to 00
158   *          b2     Intrinsic process state
159   *             0  : Ready
160   *             1  : Busy (Peripheral busy with some configuration or internal operations)
161   *          b1     (not used)
162   *             x  : Should be set to 0
163   *          b0     Tx state
164   *             0  : Ready (no Tx operation ongoing)
165   *             1  : Busy (Tx operation ongoing)
166   *        - RxState contains information related to Rx operations.
167   *          RxState value coding follow below described bitmap :
168   *          b7-b6  (not used)
169   *             xx : Should be set to 00
170   *          b5     Peripheral initialization status
171   *             0  : Reset (Peripheral not initialized)
172   *             1  : Init done (Peripheral initialized)
173   *          b4-b2  (not used)
174   *            xxx : Should be set to 000
175   *          b1     Rx state
176   *             0  : Ready (no Rx operation ongoing)
177   *             1  : Busy (Rx operation ongoing)
178   *          b0     (not used)
179   *             x  : Should be set to 0.
180   */
181 typedef uint32_t HAL_UART_StateTypeDef;
182 
183 /**
184   * @brief HAL UART Reception type definition
185   * @note  HAL UART Reception type value aims to identify which type of Reception is ongoing.
186   *        This parameter can be a value of @ref UART_Reception_Type_Values :
187   *           HAL_UART_RECEPTION_STANDARD         = 0x00U,
188   *           HAL_UART_RECEPTION_TOIDLE           = 0x01U,
189   *           HAL_UART_RECEPTION_TORTO            = 0x02U,
190   *           HAL_UART_RECEPTION_TOCHARMATCH      = 0x03U,
191   */
192 typedef uint32_t HAL_UART_RxTypeTypeDef;
193 
194 /**
195   * @brief HAL UART Rx Event type definition
196   * @note  HAL UART Rx Event type value aims to identify which type of Event has occurred
197   *        leading to call of the RxEvent callback.
198   *        This parameter can be a value of @ref UART_RxEvent_Type_Values :
199   *           HAL_UART_RXEVENT_TC                 = 0x00U,
200   *           HAL_UART_RXEVENT_HT                 = 0x01U,
201   *           HAL_UART_RXEVENT_IDLE               = 0x02U,
202   */
203 typedef uint32_t HAL_UART_RxEventTypeTypeDef;
204 
205 /**
206   * @brief  UART handle Structure definition
207   */
208 typedef struct __UART_HandleTypeDef
209 {
210   USART_TypeDef            *Instance;                /*!< UART registers base address        */
211 
212   UART_InitTypeDef         Init;                     /*!< UART communication parameters      */
213 
214   UART_AdvFeatureInitTypeDef AdvancedInit;           /*!< UART Advanced Features initialization parameters */
215 
216   const uint8_t            *pTxBuffPtr;              /*!< Pointer to UART Tx transfer Buffer */
217 
218   uint16_t                 TxXferSize;               /*!< UART Tx Transfer size              */
219 
220   __IO uint16_t            TxXferCount;              /*!< UART Tx Transfer Counter           */
221 
222   uint8_t                  *pRxBuffPtr;              /*!< Pointer to UART Rx transfer Buffer */
223 
224   uint16_t                 RxXferSize;               /*!< UART Rx Transfer size              */
225 
226   __IO uint16_t            RxXferCount;              /*!< UART Rx Transfer Counter           */
227 
228   uint16_t                 Mask;                     /*!< UART Rx RDR register mask          */
229 
230   uint32_t                 FifoMode;                 /*!< Specifies if the FIFO mode is being used.
231                                                           This parameter can be a value of @ref UARTEx_FIFO_mode. */
232 
233   uint16_t                 NbRxDataToProcess;        /*!< Number of data to process during RX ISR execution */
234 
235   uint16_t                 NbTxDataToProcess;        /*!< Number of data to process during TX ISR execution */
236 
237   __IO HAL_UART_RxTypeTypeDef ReceptionType;         /*!< Type of ongoing reception          */
238 
239   __IO HAL_UART_RxEventTypeTypeDef RxEventType;      /*!< Type of Rx Event                   */
240 
241   void (*RxISR)(struct __UART_HandleTypeDef *huart); /*!< Function pointer on Rx IRQ handler */
242 
243   void (*TxISR)(struct __UART_HandleTypeDef *huart); /*!< Function pointer on Tx IRQ handler */
244 
245 #if defined(HAL_DMA_MODULE_ENABLED)
246   DMA_HandleTypeDef        *hdmatx;                  /*!< UART Tx DMA Handle parameters      */
247 
248   DMA_HandleTypeDef        *hdmarx;                  /*!< UART Rx DMA Handle parameters      */
249 
250 #endif /* HAL_DMA_MODULE_ENABLED */
251   HAL_LockTypeDef           Lock;                    /*!< Locking object                     */
252 
253   __IO HAL_UART_StateTypeDef    gState;              /*!< UART state information related to global Handle management
254                                                           and also related to Tx operations. This parameter
255                                                           can be a value of @ref HAL_UART_StateTypeDef */
256 
257   __IO HAL_UART_StateTypeDef    RxState;             /*!< UART state information related to Rx operations. This
258                                                           parameter can be a value of @ref HAL_UART_StateTypeDef */
259 
260   __IO uint32_t                 ErrorCode;           /*!< UART Error code                    */
261 
262 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
263   void (* TxHalfCpltCallback)(struct __UART_HandleTypeDef *huart);        /*!< UART Tx Half Complete Callback        */
264   void (* TxCpltCallback)(struct __UART_HandleTypeDef *huart);            /*!< UART Tx Complete Callback             */
265   void (* RxHalfCpltCallback)(struct __UART_HandleTypeDef *huart);        /*!< UART Rx Half Complete Callback        */
266   void (* RxCpltCallback)(struct __UART_HandleTypeDef *huart);            /*!< UART Rx Complete Callback             */
267   void (* ErrorCallback)(struct __UART_HandleTypeDef *huart);             /*!< UART Error Callback                   */
268   void (* AbortCpltCallback)(struct __UART_HandleTypeDef *huart);         /*!< UART Abort Complete Callback          */
269   void (* AbortTransmitCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Abort Transmit Complete Callback */
270   void (* AbortReceiveCpltCallback)(struct __UART_HandleTypeDef *huart);  /*!< UART Abort Receive Complete Callback  */
271   void (* WakeupCallback)(struct __UART_HandleTypeDef *huart);            /*!< UART Wakeup Callback                  */
272   void (* RxFifoFullCallback)(struct __UART_HandleTypeDef *huart);        /*!< UART Rx Fifo Full Callback            */
273   void (* TxFifoEmptyCallback)(struct __UART_HandleTypeDef *huart);       /*!< UART Tx Fifo Empty Callback           */
274   void (* RxEventCallback)(struct __UART_HandleTypeDef *huart, uint16_t Pos); /*!< UART Reception Event Callback     */
275 
276   void (* MspInitCallback)(struct __UART_HandleTypeDef *huart);           /*!< UART Msp Init callback                */
277   void (* MspDeInitCallback)(struct __UART_HandleTypeDef *huart);         /*!< UART Msp DeInit callback              */
278 #endif  /* USE_HAL_UART_REGISTER_CALLBACKS */
279 
280 } UART_HandleTypeDef;
281 
282 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
283 /**
284   * @brief  HAL UART Callback ID enumeration definition
285   */
286 typedef enum
287 {
288   HAL_UART_TX_HALFCOMPLETE_CB_ID         = 0x00U,    /*!< UART Tx Half Complete Callback ID        */
289   HAL_UART_TX_COMPLETE_CB_ID             = 0x01U,    /*!< UART Tx Complete Callback ID             */
290   HAL_UART_RX_HALFCOMPLETE_CB_ID         = 0x02U,    /*!< UART Rx Half Complete Callback ID        */
291   HAL_UART_RX_COMPLETE_CB_ID             = 0x03U,    /*!< UART Rx Complete Callback ID             */
292   HAL_UART_ERROR_CB_ID                   = 0x04U,    /*!< UART Error Callback ID                   */
293   HAL_UART_ABORT_COMPLETE_CB_ID          = 0x05U,    /*!< UART Abort Complete Callback ID          */
294   HAL_UART_ABORT_TRANSMIT_COMPLETE_CB_ID = 0x06U,    /*!< UART Abort Transmit Complete Callback ID */
295   HAL_UART_ABORT_RECEIVE_COMPLETE_CB_ID  = 0x07U,    /*!< UART Abort Receive Complete Callback ID  */
296   HAL_UART_WAKEUP_CB_ID                  = 0x08U,    /*!< UART Wakeup Callback ID                  */
297   HAL_UART_RX_FIFO_FULL_CB_ID            = 0x09U,    /*!< UART Rx Fifo Full Callback ID            */
298   HAL_UART_TX_FIFO_EMPTY_CB_ID           = 0x0AU,    /*!< UART Tx Fifo Empty Callback ID           */
299 
300   HAL_UART_MSPINIT_CB_ID                 = 0x0BU,    /*!< UART MspInit callback ID                 */
301   HAL_UART_MSPDEINIT_CB_ID               = 0x0CU     /*!< UART MspDeInit callback ID               */
302 
303 } HAL_UART_CallbackIDTypeDef;
304 
305 /**
306   * @brief  HAL UART Callback pointer definition
307   */
308 typedef  void (*pUART_CallbackTypeDef)(UART_HandleTypeDef *huart); /*!< pointer to an UART callback function */
309 typedef  void (*pUART_RxEventCallbackTypeDef)
310 (struct __UART_HandleTypeDef *huart, uint16_t Pos); /*!< pointer to a UART Rx Event specific callback function */
311 
312 #endif /* USE_HAL_UART_REGISTER_CALLBACKS */
313 
314 /**
315   * @}
316   */
317 
318 /* Exported constants --------------------------------------------------------*/
319 /** @defgroup UART_Exported_Constants UART Exported Constants
320   * @{
321   */
322 
323 /** @defgroup UART_State_Definition UART State Code Definition
324   * @{
325   */
326 #define  HAL_UART_STATE_RESET         0x00000000U    /*!< Peripheral is not initialized
327                                                           Value is allowed for gState and RxState */
328 #define  HAL_UART_STATE_READY         0x00000020U    /*!< Peripheral Initialized and ready for use
329                                                           Value is allowed for gState and RxState */
330 #define  HAL_UART_STATE_BUSY          0x00000024U    /*!< an internal process is ongoing
331                                                           Value is allowed for gState only */
332 #define  HAL_UART_STATE_BUSY_TX       0x00000021U    /*!< Data Transmission process is ongoing
333                                                           Value is allowed for gState only */
334 #define  HAL_UART_STATE_BUSY_RX       0x00000022U    /*!< Data Reception process is ongoing
335                                                           Value is allowed for RxState only */
336 #define  HAL_UART_STATE_BUSY_TX_RX    0x00000023U    /*!< Data Transmission and Reception process is ongoing
337                                                           Not to be used for neither gState nor RxState.Value is result
338                                                           of combination (Or) between gState and RxState values */
339 #define  HAL_UART_STATE_TIMEOUT       0x000000A0U    /*!< Timeout state
340                                                           Value is allowed for gState only */
341 #define  HAL_UART_STATE_ERROR         0x000000E0U    /*!< Error
342                                                           Value is allowed for gState only */
343 /**
344   * @}
345   */
346 
347 /** @defgroup UART_Error_Definition   UART Error Definition
348   * @{
349   */
350 #define  HAL_UART_ERROR_NONE             (0x00000000U)    /*!< No error                */
351 #define  HAL_UART_ERROR_PE               (0x00000001U)    /*!< Parity error            */
352 #define  HAL_UART_ERROR_NE               (0x00000002U)    /*!< Noise error             */
353 #define  HAL_UART_ERROR_FE               (0x00000004U)    /*!< Frame error             */
354 #define  HAL_UART_ERROR_ORE              (0x00000008U)    /*!< Overrun error           */
355 #if defined(HAL_DMA_MODULE_ENABLED)
356 #define  HAL_UART_ERROR_DMA              (0x00000010U)    /*!< DMA transfer error      */
357 #endif /* HAL_DMA_MODULE_ENABLED */
358 #define  HAL_UART_ERROR_RTO              (0x00000020U)    /*!< Receiver Timeout error  */
359 
360 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
361 #define  HAL_UART_ERROR_INVALID_CALLBACK (0x00000040U)    /*!< Invalid Callback error  */
362 #endif /* USE_HAL_UART_REGISTER_CALLBACKS */
363 /**
364   * @}
365   */
366 
367 /** @defgroup UART_Stop_Bits   UART Number of Stop Bits
368   * @{
369   */
370 #define UART_STOPBITS_0_5                    USART_CR2_STOP_0                     /*!< UART frame with 0.5 stop bit  */
371 #define UART_STOPBITS_1                     0x00000000U                           /*!< UART frame with 1 stop bit    */
372 #define UART_STOPBITS_1_5                   (USART_CR2_STOP_0 | USART_CR2_STOP_1) /*!< UART frame with 1.5 stop bits */
373 #define UART_STOPBITS_2                      USART_CR2_STOP_1                     /*!< UART frame with 2 stop bits   */
374 /**
375   * @}
376   */
377 
378 /** @defgroup UART_Parity  UART Parity
379   * @{
380   */
381 #define UART_PARITY_NONE                    0x00000000U                        /*!< No parity   */
382 #define UART_PARITY_EVEN                    USART_CR1_PCE                      /*!< Even parity */
383 #define UART_PARITY_ODD                     (USART_CR1_PCE | USART_CR1_PS)     /*!< Odd parity  */
384 /**
385   * @}
386   */
387 
388 /** @defgroup UART_Hardware_Flow_Control UART Hardware Flow Control
389   * @{
390   */
391 #define UART_HWCONTROL_NONE                  0x00000000U                          /*!< No hardware control       */
392 #define UART_HWCONTROL_RTS                   USART_CR3_RTSE                       /*!< Request To Send           */
393 #define UART_HWCONTROL_CTS                   USART_CR3_CTSE                       /*!< Clear To Send             */
394 #define UART_HWCONTROL_RTS_CTS               (USART_CR3_RTSE | USART_CR3_CTSE)    /*!< Request and Clear To Send */
395 /**
396   * @}
397   */
398 
399 /** @defgroup UART_Mode UART Transfer Mode
400   * @{
401   */
402 #define UART_MODE_RX                        USART_CR1_RE                    /*!< RX mode        */
403 #define UART_MODE_TX                        USART_CR1_TE                    /*!< TX mode        */
404 #define UART_MODE_TX_RX                     (USART_CR1_TE |USART_CR1_RE)    /*!< RX and TX mode */
405 /**
406   * @}
407   */
408 
409 /** @defgroup UART_State  UART State
410   * @{
411   */
412 #define UART_STATE_DISABLE                  0x00000000U         /*!< UART disabled  */
413 #define UART_STATE_ENABLE                   USART_CR1_UE        /*!< UART enabled   */
414 /**
415   * @}
416   */
417 
418 /** @defgroup UART_Over_Sampling UART Over Sampling
419   * @{
420   */
421 #define UART_OVERSAMPLING_16                0x00000000U         /*!< Oversampling by 16 */
422 #define UART_OVERSAMPLING_8                 USART_CR1_OVER8     /*!< Oversampling by 8  */
423 /**
424   * @}
425   */
426 
427 /** @defgroup UART_OneBit_Sampling UART One Bit Sampling Method
428   * @{
429   */
430 #define UART_ONE_BIT_SAMPLE_DISABLE         0x00000000U         /*!< One-bit sampling disable */
431 #define UART_ONE_BIT_SAMPLE_ENABLE          USART_CR3_ONEBIT    /*!< One-bit sampling enable  */
432 /**
433   * @}
434   */
435 
436 /** @defgroup UART_ClockPrescaler  UART Clock Prescaler
437   * @{
438   */
439 #define UART_PRESCALER_DIV1    0x00000000U  /*!< fclk_pres = fclk     */
440 #define UART_PRESCALER_DIV2    0x00000001U  /*!< fclk_pres = fclk/2   */
441 #define UART_PRESCALER_DIV4    0x00000002U  /*!< fclk_pres = fclk/4   */
442 #define UART_PRESCALER_DIV6    0x00000003U  /*!< fclk_pres = fclk/6   */
443 #define UART_PRESCALER_DIV8    0x00000004U  /*!< fclk_pres = fclk/8   */
444 #define UART_PRESCALER_DIV10   0x00000005U  /*!< fclk_pres = fclk/10  */
445 #define UART_PRESCALER_DIV12   0x00000006U  /*!< fclk_pres = fclk/12  */
446 #define UART_PRESCALER_DIV16   0x00000007U  /*!< fclk_pres = fclk/16  */
447 #define UART_PRESCALER_DIV32   0x00000008U  /*!< fclk_pres = fclk/32  */
448 #define UART_PRESCALER_DIV64   0x00000009U  /*!< fclk_pres = fclk/64  */
449 #define UART_PRESCALER_DIV128  0x0000000AU  /*!< fclk_pres = fclk/128 */
450 #define UART_PRESCALER_DIV256  0x0000000BU  /*!< fclk_pres = fclk/256 */
451 /**
452   * @}
453   */
454 
455 /** @defgroup UART_AutoBaud_Rate_Mode    UART Advanced Feature AutoBaud Rate Mode
456   * @{
457   */
458 #define UART_ADVFEATURE_AUTOBAUDRATE_ONSTARTBIT    0x00000000U           /*!< Auto Baud rate detection
459                                                                               on start bit              */
460 #define UART_ADVFEATURE_AUTOBAUDRATE_ONFALLINGEDGE USART_CR2_ABRMODE_0   /*!< Auto Baud rate detection
461                                                                               on falling edge           */
462 #define UART_ADVFEATURE_AUTOBAUDRATE_ON0X7FFRAME   USART_CR2_ABRMODE_1   /*!< Auto Baud rate detection
463                                                                               on 0x7F frame detection   */
464 #define UART_ADVFEATURE_AUTOBAUDRATE_ON0X55FRAME   USART_CR2_ABRMODE     /*!< Auto Baud rate detection
465                                                                               on 0x55 frame detection   */
466 /**
467   * @}
468   */
469 
470 /** @defgroup UART_Receiver_Timeout UART Receiver Timeout
471   * @{
472   */
473 #define UART_RECEIVER_TIMEOUT_DISABLE       0x00000000U                /*!< UART Receiver Timeout disable */
474 #define UART_RECEIVER_TIMEOUT_ENABLE        USART_CR2_RTOEN            /*!< UART Receiver Timeout enable  */
475 /**
476   * @}
477   */
478 
479 /** @defgroup UART_LIN    UART Local Interconnection Network mode
480   * @{
481   */
482 #define UART_LIN_DISABLE                    0x00000000U                /*!< Local Interconnect Network disable */
483 #define UART_LIN_ENABLE                     USART_CR2_LINEN            /*!< Local Interconnect Network enable  */
484 /**
485   * @}
486   */
487 
488 /** @defgroup UART_LIN_Break_Detection  UART LIN Break Detection
489   * @{
490   */
491 #define UART_LINBREAKDETECTLENGTH_10B       0x00000000U                /*!< LIN 10-bit break detection length */
492 #define UART_LINBREAKDETECTLENGTH_11B       USART_CR2_LBDL             /*!< LIN 11-bit break detection length  */
493 /**
494   * @}
495   */
496 
497 #if defined(HAL_DMA_MODULE_ENABLED)
498 /** @defgroup UART_DMA_Tx    UART DMA Tx
499   * @{
500   */
501 #define UART_DMA_TX_DISABLE                 0x00000000U                /*!< UART DMA TX disabled */
502 #define UART_DMA_TX_ENABLE                  USART_CR3_DMAT             /*!< UART DMA TX enabled  */
503 /**
504   * @}
505   */
506 
507 /** @defgroup UART_DMA_Rx   UART DMA Rx
508   * @{
509   */
510 #define UART_DMA_RX_DISABLE                 0x00000000U                 /*!< UART DMA RX disabled */
511 #define UART_DMA_RX_ENABLE                  USART_CR3_DMAR              /*!< UART DMA RX enabled  */
512 /**
513   * @}
514   */
515 #endif /* HAL_DMA_MODULE_ENABLED */
516 
517 /** @defgroup UART_Half_Duplex_Selection  UART Half Duplex Selection
518   * @{
519   */
520 #define UART_HALF_DUPLEX_DISABLE            0x00000000U                 /*!< UART half-duplex disabled */
521 #define UART_HALF_DUPLEX_ENABLE             USART_CR3_HDSEL             /*!< UART half-duplex enabled  */
522 /**
523   * @}
524   */
525 
526 /** @defgroup UART_WakeUp_Methods   UART WakeUp Methods
527   * @{
528   */
529 #define UART_WAKEUPMETHOD_IDLELINE          0x00000000U                 /*!< UART wake-up on idle line    */
530 #define UART_WAKEUPMETHOD_ADDRESSMARK       USART_CR1_WAKE              /*!< UART wake-up on address mark */
531 /**
532   * @}
533   */
534 
535 /** @defgroup UART_Request_Parameters UART Request Parameters
536   * @{
537   */
538 #define UART_AUTOBAUD_REQUEST               USART_RQR_ABRRQ        /*!< Auto-Baud Rate Request      */
539 #define UART_SENDBREAK_REQUEST              USART_RQR_SBKRQ        /*!< Send Break Request          */
540 #define UART_MUTE_MODE_REQUEST              USART_RQR_MMRQ         /*!< Mute Mode Request           */
541 #define UART_RXDATA_FLUSH_REQUEST           USART_RQR_RXFRQ        /*!< Receive Data flush Request  */
542 #define UART_TXDATA_FLUSH_REQUEST           USART_RQR_TXFRQ        /*!< Transmit data flush Request */
543 /**
544   * @}
545   */
546 
547 /** @defgroup UART_Advanced_Features_Initialization_Type  UART Advanced Feature Initialization Type
548   * @{
549   */
550 #define UART_ADVFEATURE_NO_INIT                 0x00000000U          /*!< No advanced feature initialization       */
551 #define UART_ADVFEATURE_TXINVERT_INIT           0x00000001U          /*!< TX pin active level inversion            */
552 #define UART_ADVFEATURE_RXINVERT_INIT           0x00000002U          /*!< RX pin active level inversion            */
553 #define UART_ADVFEATURE_DATAINVERT_INIT         0x00000004U          /*!< Binary data inversion                    */
554 #define UART_ADVFEATURE_SWAP_INIT               0x00000008U          /*!< TX/RX pins swap                          */
555 #define UART_ADVFEATURE_RXOVERRUNDISABLE_INIT   0x00000010U          /*!< RX overrun disable                       */
556 #if defined(HAL_DMA_MODULE_ENABLED)
557 #define UART_ADVFEATURE_DMADISABLEONERROR_INIT  0x00000020U          /*!< DMA disable on Reception Error           */
558 #endif /* HAL_DMA_MODULE_ENABLED */
559 #define UART_ADVFEATURE_AUTOBAUDRATE_INIT       0x00000040U          /*!< Auto Baud rate detection initialization  */
560 #define UART_ADVFEATURE_MSBFIRST_INIT           0x00000080U          /*!< Most significant bit sent/received first */
561 /**
562   * @}
563   */
564 
565 /** @defgroup UART_Tx_Inv UART Advanced Feature TX Pin Active Level Inversion
566   * @{
567   */
568 #define UART_ADVFEATURE_TXINV_DISABLE       0x00000000U             /*!< TX pin active level inversion disable */
569 #define UART_ADVFEATURE_TXINV_ENABLE        USART_CR2_TXINV         /*!< TX pin active level inversion enable  */
570 /**
571   * @}
572   */
573 
574 /** @defgroup UART_Rx_Inv UART Advanced Feature RX Pin Active Level Inversion
575   * @{
576   */
577 #define UART_ADVFEATURE_RXINV_DISABLE       0x00000000U             /*!< RX pin active level inversion disable */
578 #define UART_ADVFEATURE_RXINV_ENABLE        USART_CR2_RXINV         /*!< RX pin active level inversion enable  */
579 /**
580   * @}
581   */
582 
583 /** @defgroup UART_Data_Inv  UART Advanced Feature Binary Data Inversion
584   * @{
585   */
586 #define UART_ADVFEATURE_DATAINV_DISABLE     0x00000000U             /*!< Binary data inversion disable */
587 #define UART_ADVFEATURE_DATAINV_ENABLE      USART_CR2_DATAINV       /*!< Binary data inversion enable  */
588 /**
589   * @}
590   */
591 
592 /** @defgroup UART_Rx_Tx_Swap UART Advanced Feature RX TX Pins Swap
593   * @{
594   */
595 #define UART_ADVFEATURE_SWAP_DISABLE        0x00000000U             /*!< TX/RX pins swap disable */
596 #define UART_ADVFEATURE_SWAP_ENABLE         USART_CR2_SWAP          /*!< TX/RX pins swap enable  */
597 /**
598   * @}
599   */
600 
601 /** @defgroup UART_Overrun_Disable  UART Advanced Feature Overrun Disable
602   * @{
603   */
604 #define UART_ADVFEATURE_OVERRUN_ENABLE      0x00000000U             /*!< RX overrun enable  */
605 #define UART_ADVFEATURE_OVERRUN_DISABLE     USART_CR3_OVRDIS        /*!< RX overrun disable */
606 /**
607   * @}
608   */
609 
610 /** @defgroup UART_AutoBaudRate_Enable  UART Advanced Feature Auto BaudRate Enable
611   * @{
612   */
613 #define UART_ADVFEATURE_AUTOBAUDRATE_DISABLE   0x00000000U          /*!< RX Auto Baud rate detection enable  */
614 #define UART_ADVFEATURE_AUTOBAUDRATE_ENABLE    USART_CR2_ABREN      /*!< RX Auto Baud rate detection disable */
615 /**
616   * @}
617   */
618 
619 #if defined(HAL_DMA_MODULE_ENABLED)
620 /** @defgroup UART_DMA_Disable_on_Rx_Error   UART Advanced Feature DMA Disable On Rx Error
621   * @{
622   */
623 #define UART_ADVFEATURE_DMA_ENABLEONRXERROR    0x00000000U          /*!< DMA enable on Reception Error  */
624 #define UART_ADVFEATURE_DMA_DISABLEONRXERROR   USART_CR3_DDRE       /*!< DMA disable on Reception Error */
625 /**
626   * @}
627   */
628 #endif /* HAL_DMA_MODULE_ENABLED */
629 
630 /** @defgroup UART_MSB_First   UART Advanced Feature MSB First
631   * @{
632   */
633 #define UART_ADVFEATURE_MSBFIRST_DISABLE    0x00000000U             /*!< Most significant bit sent/received
634                                                                          first disable                      */
635 #define UART_ADVFEATURE_MSBFIRST_ENABLE     USART_CR2_MSBFIRST      /*!< Most significant bit sent/received
636                                                                          first enable                       */
637 /**
638   * @}
639   */
640 
641 /** @defgroup UART_Stop_Mode_Enable   UART Advanced Feature Stop Mode Enable
642   * @{
643   */
644 #define UART_ADVFEATURE_STOPMODE_DISABLE    0x00000000U             /*!< UART stop mode disable */
645 #define UART_ADVFEATURE_STOPMODE_ENABLE     USART_CR1_UESM          /*!< UART stop mode enable  */
646 /**
647   * @}
648   */
649 
650 /** @defgroup UART_Mute_Mode   UART Advanced Feature Mute Mode Enable
651   * @{
652   */
653 #define UART_ADVFEATURE_MUTEMODE_DISABLE    0x00000000U             /*!< UART mute mode disable */
654 #define UART_ADVFEATURE_MUTEMODE_ENABLE     USART_CR1_MME           /*!< UART mute mode enable  */
655 /**
656   * @}
657   */
658 
659 /** @defgroup UART_CR2_ADDRESS_LSB_POS    UART Address-matching LSB Position In CR2 Register
660   * @{
661   */
662 #define UART_CR2_ADDRESS_LSB_POS             24U             /*!< UART address-matching LSB position in CR2 register */
663 /**
664   * @}
665   */
666 
667 /** @defgroup UART_WakeUp_from_Stop_Selection   UART WakeUp From Stop Selection
668   * @{
669   */
670 #define UART_WAKEUP_ON_ADDRESS              0x00000000U             /*!< UART wake-up on address                     */
671 #define UART_WAKEUP_ON_STARTBIT             USART_CR3_WUS_1         /*!< UART wake-up on start bit                   */
672 #define UART_WAKEUP_ON_READDATA_NONEMPTY    USART_CR3_WUS           /*!< UART wake-up on receive data register
673                                                                          not empty or RXFIFO is not empty            */
674 /**
675   * @}
676   */
677 
678 /** @defgroup UART_DriverEnable_Polarity      UART DriverEnable Polarity
679   * @{
680   */
681 #define UART_DE_POLARITY_HIGH               0x00000000U             /*!< Driver enable signal is active high */
682 #define UART_DE_POLARITY_LOW                USART_CR3_DEP           /*!< Driver enable signal is active low  */
683 /**
684   * @}
685   */
686 
687 /** @defgroup UART_CR1_DEAT_ADDRESS_LSB_POS    UART Driver Enable Assertion Time LSB Position In CR1 Register
688   * @{
689   */
690 #define UART_CR1_DEAT_ADDRESS_LSB_POS       21U      /*!< UART Driver Enable assertion time LSB
691                                                           position in CR1 register */
692 /**
693   * @}
694   */
695 
696 /** @defgroup UART_CR1_DEDT_ADDRESS_LSB_POS    UART Driver Enable DeAssertion Time LSB Position In CR1 Register
697   * @{
698   */
699 #define UART_CR1_DEDT_ADDRESS_LSB_POS       16U      /*!< UART Driver Enable de-assertion time LSB
700                                                           position in CR1 register */
701 /**
702   * @}
703   */
704 
705 /** @defgroup UART_Interruption_Mask    UART Interruptions Flag Mask
706   * @{
707   */
708 #define UART_IT_MASK                        0x001FU  /*!< UART interruptions flags mask */
709 /**
710   * @}
711   */
712 
713 /** @defgroup UART_TimeOut_Value    UART polling-based communications time-out value
714   * @{
715   */
716 #define HAL_UART_TIMEOUT_VALUE              0x1FFFFFFU  /*!< UART polling-based communications time-out value */
717 /**
718   * @}
719   */
720 
721 /** @defgroup UART_Flags     UART Status Flags
722   *        Elements values convention: 0xXXXX
723   *           - 0xXXXX  : Flag mask in the ISR register
724   * @{
725   */
726 #define UART_FLAG_TXFT                      USART_ISR_TXFT          /*!< UART TXFIFO threshold flag                */
727 #define UART_FLAG_RXFT                      USART_ISR_RXFT          /*!< UART RXFIFO threshold flag                */
728 #define UART_FLAG_RXFF                      USART_ISR_RXFF          /*!< UART RXFIFO Full flag                     */
729 #define UART_FLAG_TXFE                      USART_ISR_TXFE          /*!< UART TXFIFO Empty flag                    */
730 #define UART_FLAG_REACK                     USART_ISR_REACK         /*!< UART receive enable acknowledge flag      */
731 #define UART_FLAG_TEACK                     USART_ISR_TEACK         /*!< UART transmit enable acknowledge flag     */
732 #define UART_FLAG_WUF                       USART_ISR_WUF           /*!< UART wake-up from stop mode flag          */
733 #define UART_FLAG_RWU                       USART_ISR_RWU           /*!< UART receiver wake-up from mute mode flag */
734 #define UART_FLAG_SBKF                      USART_ISR_SBKF          /*!< UART send break flag                      */
735 #define UART_FLAG_CMF                       USART_ISR_CMF           /*!< UART character match flag                 */
736 #define UART_FLAG_BUSY                      USART_ISR_BUSY          /*!< UART busy flag                            */
737 #define UART_FLAG_ABRF                      USART_ISR_ABRF          /*!< UART auto Baud rate flag                  */
738 #define UART_FLAG_ABRE                      USART_ISR_ABRE          /*!< UART auto Baud rate error                 */
739 #define UART_FLAG_RTOF                      USART_ISR_RTOF          /*!< UART receiver timeout flag                */
740 #define UART_FLAG_CTS                       USART_ISR_CTS           /*!< UART clear to send flag                   */
741 #define UART_FLAG_CTSIF                     USART_ISR_CTSIF         /*!< UART clear to send interrupt flag         */
742 #define UART_FLAG_LBDF                      USART_ISR_LBDF          /*!< UART LIN break detection flag             */
743 #define UART_FLAG_TXE                       USART_ISR_TXE_TXFNF     /*!< UART transmit data register empty         */
744 #define UART_FLAG_TXFNF                     USART_ISR_TXE_TXFNF     /*!< UART TXFIFO not full                      */
745 #define UART_FLAG_TC                        USART_ISR_TC            /*!< UART transmission complete                */
746 #define UART_FLAG_RXNE                      USART_ISR_RXNE_RXFNE    /*!< UART read data register not empty         */
747 #define UART_FLAG_RXFNE                     USART_ISR_RXNE_RXFNE    /*!< UART RXFIFO not empty                     */
748 #define UART_FLAG_IDLE                      USART_ISR_IDLE          /*!< UART idle flag                            */
749 #define UART_FLAG_ORE                       USART_ISR_ORE           /*!< UART overrun error                        */
750 #define UART_FLAG_NE                        USART_ISR_NE            /*!< UART noise error                          */
751 #define UART_FLAG_FE                        USART_ISR_FE            /*!< UART frame error                          */
752 #define UART_FLAG_PE                        USART_ISR_PE            /*!< UART parity error                         */
753 /**
754   * @}
755   */
756 
757 /** @defgroup UART_Interrupt_definition   UART Interrupts Definition
758   *        Elements values convention: 000ZZZZZ0XXYYYYYb
759   *           - YYYYY  : Interrupt source position in the XX register (5bits)
760   *           - XX  : Interrupt source register (2bits)
761   *                 - 01: CR1 register
762   *                 - 10: CR2 register
763   *                 - 11: CR3 register
764   *           - ZZZZZ  : Flag position in the ISR register(5bits)
765   *        Elements values convention: 000000000XXYYYYYb
766   *           - YYYYY  : Interrupt source position in the XX register (5bits)
767   *           - XX  : Interrupt source register (2bits)
768   *                 - 01: CR1 register
769   *                 - 10: CR2 register
770   *                 - 11: CR3 register
771   *        Elements values convention: 0000ZZZZ00000000b
772   *           - ZZZZ  : Flag position in the ISR register(4bits)
773   * @{
774   */
775 #define UART_IT_PE                          0x0028U              /*!< UART parity error interruption                 */
776 #define UART_IT_TXE                         0x0727U              /*!< UART transmit data register empty interruption */
777 #define UART_IT_TXFNF                       0x0727U              /*!< UART TX FIFO not full interruption             */
778 #define UART_IT_TC                          0x0626U              /*!< UART transmission complete interruption        */
779 #define UART_IT_RXNE                        0x0525U              /*!< UART read data register not empty interruption */
780 #define UART_IT_RXFNE                       0x0525U              /*!< UART RXFIFO not empty interruption             */
781 #define UART_IT_IDLE                        0x0424U              /*!< UART idle interruption                         */
782 #define UART_IT_LBD                         0x0846U              /*!< UART LIN break detection interruption          */
783 #define UART_IT_CTS                         0x096AU              /*!< UART CTS interruption                          */
784 #define UART_IT_CM                          0x112EU              /*!< UART character match interruption              */
785 #define UART_IT_WUF                         0x1476U              /*!< UART wake-up from stop mode interruption       */
786 #define UART_IT_RXFF                        0x183FU              /*!< UART RXFIFO full interruption                  */
787 #define UART_IT_TXFE                        0x173EU              /*!< UART TXFIFO empty interruption                 */
788 #define UART_IT_RXFT                        0x1A7CU              /*!< UART RXFIFO threshold reached interruption     */
789 #define UART_IT_TXFT                        0x1B77U              /*!< UART TXFIFO threshold reached interruption     */
790 #define UART_IT_RTO                         0x0B3AU              /*!< UART receiver timeout interruption             */
791 
792 #define UART_IT_ERR                         0x0060U              /*!< UART error interruption                        */
793 
794 #define UART_IT_ORE                         0x0300U              /*!< UART overrun error interruption                */
795 #define UART_IT_NE                          0x0200U              /*!< UART noise error interruption                  */
796 #define UART_IT_FE                          0x0100U              /*!< UART frame error interruption                  */
797 /**
798   * @}
799   */
800 
801 /** @defgroup UART_IT_CLEAR_Flags  UART Interruption Clear Flags
802   * @{
803   */
804 #define UART_CLEAR_PEF                       USART_ICR_PECF            /*!< Parity Error Clear Flag           */
805 #define UART_CLEAR_FEF                       USART_ICR_FECF            /*!< Framing Error Clear Flag          */
806 #define UART_CLEAR_NEF                       USART_ICR_NECF            /*!< Noise Error detected Clear Flag   */
807 #define UART_CLEAR_OREF                      USART_ICR_ORECF           /*!< Overrun Error Clear Flag          */
808 #define UART_CLEAR_IDLEF                     USART_ICR_IDLECF          /*!< IDLE line detected Clear Flag     */
809 #define UART_CLEAR_TXFECF                    USART_ICR_TXFECF          /*!< TXFIFO empty clear flag           */
810 #define UART_CLEAR_TCF                       USART_ICR_TCCF            /*!< Transmission Complete Clear Flag  */
811 #define UART_CLEAR_LBDF                      USART_ICR_LBDCF           /*!< LIN Break Detection Clear Flag    */
812 #define UART_CLEAR_CTSF                      USART_ICR_CTSCF           /*!< CTS Interrupt Clear Flag          */
813 #define UART_CLEAR_CMF                       USART_ICR_CMCF            /*!< Character Match Clear Flag        */
814 #define UART_CLEAR_WUF                       USART_ICR_WUCF            /*!< Wake Up from stop mode Clear Flag */
815 #define UART_CLEAR_RTOF                      USART_ICR_RTOCF           /*!< UART receiver timeout clear flag  */
816 /**
817   * @}
818   */
819 
820 /** @defgroup UART_Reception_Type_Values  UART Reception type values
821   * @{
822   */
823 #define HAL_UART_RECEPTION_STANDARD          (0x00000000U)             /*!< Standard reception                       */
824 #define HAL_UART_RECEPTION_TOIDLE            (0x00000001U)             /*!< Reception till completion or IDLE event  */
825 #define HAL_UART_RECEPTION_TORTO             (0x00000002U)             /*!< Reception till completion or RTO event   */
826 #define HAL_UART_RECEPTION_TOCHARMATCH       (0x00000003U)             /*!< Reception till completion or CM event    */
827 /**
828   * @}
829   */
830 
831 /** @defgroup UART_RxEvent_Type_Values  UART RxEvent type values
832   * @{
833   */
834 #define HAL_UART_RXEVENT_TC                  (0x00000000U)             /*!< RxEvent linked to Transfer Complete event */
835 #define HAL_UART_RXEVENT_HT                  (0x00000001U)             /*!< RxEvent linked to Half Transfer event     */
836 #define HAL_UART_RXEVENT_IDLE                (0x00000002U)             /*!< RxEvent linked to IDLE event              */
837 /**
838   * @}
839   */
840 
841 /**
842   * @}
843   */
844 
845 /* Exported macros -----------------------------------------------------------*/
846 /** @defgroup UART_Exported_Macros UART Exported Macros
847   * @{
848   */
849 
850 /** @brief  Reset UART handle states.
851   * @param  __HANDLE__ UART handle.
852   * @retval None
853   */
854 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
855 #define __HAL_UART_RESET_HANDLE_STATE(__HANDLE__)  do{                                                   \
856                                                        (__HANDLE__)->gState = HAL_UART_STATE_RESET;      \
857                                                        (__HANDLE__)->RxState = HAL_UART_STATE_RESET;     \
858                                                        (__HANDLE__)->MspInitCallback = NULL;             \
859                                                        (__HANDLE__)->MspDeInitCallback = NULL;           \
860                                                      } while(0U)
861 #else
862 #define __HAL_UART_RESET_HANDLE_STATE(__HANDLE__)  do{                                                   \
863                                                        (__HANDLE__)->gState = HAL_UART_STATE_RESET;      \
864                                                        (__HANDLE__)->RxState = HAL_UART_STATE_RESET;     \
865                                                      } while(0U)
866 #endif /*USE_HAL_UART_REGISTER_CALLBACKS */
867 
868 /** @brief  Flush the UART Data registers.
869   * @param  __HANDLE__ specifies the UART Handle.
870   * @retval None
871   */
872 #define __HAL_UART_FLUSH_DRREGISTER(__HANDLE__)  \
873   do{                \
874     SET_BIT((__HANDLE__)->Instance->RQR, UART_RXDATA_FLUSH_REQUEST); \
875     SET_BIT((__HANDLE__)->Instance->RQR, UART_TXDATA_FLUSH_REQUEST); \
876   }  while(0U)
877 
878 /** @brief  Clear the specified UART pending flag.
879   * @param  __HANDLE__ specifies the UART Handle.
880   * @param  __FLAG__ specifies the flag to check.
881   *          This parameter can be any combination of the following values:
882   *            @arg @ref UART_CLEAR_PEF      Parity Error Clear Flag
883   *            @arg @ref UART_CLEAR_FEF      Framing Error Clear Flag
884   *            @arg @ref UART_CLEAR_NEF      Noise detected Clear Flag
885   *            @arg @ref UART_CLEAR_OREF     Overrun Error Clear Flag
886   *            @arg @ref UART_CLEAR_IDLEF    IDLE line detected Clear Flag
887   *            @arg @ref UART_CLEAR_TXFECF   TXFIFO empty clear Flag
888   *            @arg @ref UART_CLEAR_TCF      Transmission Complete Clear Flag
889   *            @arg @ref UART_CLEAR_RTOF     Receiver Timeout clear flag
890   *            @arg @ref UART_CLEAR_LBDF     LIN Break Detection Clear Flag
891   *            @arg @ref UART_CLEAR_CTSF     CTS Interrupt Clear Flag
892   *            @arg @ref UART_CLEAR_CMF      Character Match Clear Flag
893   *            @arg @ref UART_CLEAR_WUF      Wake Up from stop mode Clear Flag
894   * @retval None
895   */
896 #define __HAL_UART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->ICR = (__FLAG__))
897 
898 /** @brief  Clear the UART PE pending flag.
899   * @param  __HANDLE__ specifies the UART Handle.
900   * @retval None
901   */
902 #define __HAL_UART_CLEAR_PEFLAG(__HANDLE__)   __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_PEF)
903 
904 /** @brief  Clear the UART FE pending flag.
905   * @param  __HANDLE__ specifies the UART Handle.
906   * @retval None
907   */
908 #define __HAL_UART_CLEAR_FEFLAG(__HANDLE__)   __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_FEF)
909 
910 /** @brief  Clear the UART NE pending flag.
911   * @param  __HANDLE__ specifies the UART Handle.
912   * @retval None
913   */
914 #define __HAL_UART_CLEAR_NEFLAG(__HANDLE__)  __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_NEF)
915 
916 /** @brief  Clear the UART ORE pending flag.
917   * @param  __HANDLE__ specifies the UART Handle.
918   * @retval None
919   */
920 #define __HAL_UART_CLEAR_OREFLAG(__HANDLE__)   __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_OREF)
921 
922 /** @brief  Clear the UART IDLE pending flag.
923   * @param  __HANDLE__ specifies the UART Handle.
924   * @retval None
925   */
926 #define __HAL_UART_CLEAR_IDLEFLAG(__HANDLE__)   __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_IDLEF)
927 
928 /** @brief  Clear the UART TX FIFO empty clear flag.
929   * @param  __HANDLE__ specifies the UART Handle.
930   * @retval None
931   */
932 #define __HAL_UART_CLEAR_TXFECF(__HANDLE__)   __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_TXFECF)
933 
934 /** @brief  Check whether the specified UART flag is set or not.
935   * @param  __HANDLE__ specifies the UART Handle.
936   * @param  __FLAG__ specifies the flag to check.
937   *        This parameter can be one of the following values:
938   *            @arg @ref UART_FLAG_TXFT  TXFIFO threshold flag
939   *            @arg @ref UART_FLAG_RXFT  RXFIFO threshold flag
940   *            @arg @ref UART_FLAG_RXFF  RXFIFO Full flag
941   *            @arg @ref UART_FLAG_TXFE  TXFIFO Empty flag
942   *            @arg @ref UART_FLAG_REACK Receive enable acknowledge flag
943   *            @arg @ref UART_FLAG_TEACK Transmit enable acknowledge flag
944   *            @arg @ref UART_FLAG_WUF   Wake up from stop mode flag
945   *            @arg @ref UART_FLAG_RWU   Receiver wake up flag (if the UART in mute mode)
946   *            @arg @ref UART_FLAG_SBKF  Send Break flag
947   *            @arg @ref UART_FLAG_CMF   Character match flag
948   *            @arg @ref UART_FLAG_BUSY  Busy flag
949   *            @arg @ref UART_FLAG_ABRF  Auto Baud rate detection flag
950   *            @arg @ref UART_FLAG_ABRE  Auto Baud rate detection error flag
951   *            @arg @ref UART_FLAG_CTS   CTS Change flag
952   *            @arg @ref UART_FLAG_LBDF  LIN Break detection flag
953   *            @arg @ref UART_FLAG_TXE   Transmit data register empty flag
954   *            @arg @ref UART_FLAG_TXFNF UART TXFIFO not full flag
955   *            @arg @ref UART_FLAG_TC    Transmission Complete flag
956   *            @arg @ref UART_FLAG_RXNE  Receive data register not empty flag
957   *            @arg @ref UART_FLAG_RXFNE UART RXFIFO not empty flag
958   *            @arg @ref UART_FLAG_RTOF  Receiver Timeout flag
959   *            @arg @ref UART_FLAG_IDLE  Idle Line detection flag
960   *            @arg @ref UART_FLAG_ORE   Overrun Error flag
961   *            @arg @ref UART_FLAG_NE    Noise Error flag
962   *            @arg @ref UART_FLAG_FE    Framing Error flag
963   *            @arg @ref UART_FLAG_PE    Parity Error flag
964   * @retval The new state of __FLAG__ (TRUE or FALSE).
965   */
966 #define __HAL_UART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->ISR & (__FLAG__)) == (__FLAG__))
967 
968 /** @brief  Enable the specified UART interrupt.
969   * @param  __HANDLE__ specifies the UART Handle.
970   * @param  __INTERRUPT__ specifies the UART interrupt source to enable.
971   *          This parameter can be one of the following values:
972   *            @arg @ref UART_IT_RXFF  RXFIFO Full interrupt
973   *            @arg @ref UART_IT_TXFE  TXFIFO Empty interrupt
974   *            @arg @ref UART_IT_RXFT  RXFIFO threshold interrupt
975   *            @arg @ref UART_IT_TXFT  TXFIFO threshold interrupt
976   *            @arg @ref UART_IT_WUF   Wakeup from stop mode interrupt
977   *            @arg @ref UART_IT_CM    Character match interrupt
978   *            @arg @ref UART_IT_CTS   CTS change interrupt
979   *            @arg @ref UART_IT_LBD   LIN Break detection interrupt
980   *            @arg @ref UART_IT_TXE   Transmit Data Register empty interrupt
981   *            @arg @ref UART_IT_TXFNF TX FIFO not full interrupt
982   *            @arg @ref UART_IT_TC    Transmission complete interrupt
983   *            @arg @ref UART_IT_RXNE  Receive Data register not empty interrupt
984   *            @arg @ref UART_IT_RXFNE RXFIFO not empty interrupt
985   *            @arg @ref UART_IT_RTO   Receive Timeout interrupt
986   *            @arg @ref UART_IT_IDLE  Idle line detection interrupt
987   *            @arg @ref UART_IT_PE    Parity Error interrupt
988   *            @arg @ref UART_IT_ERR   Error interrupt (frame error, noise error, overrun error)
989   * @retval None
990   */
991 #define __HAL_UART_ENABLE_IT(__HANDLE__, __INTERRUPT__)   (\
992                                                            ((((uint8_t)(__INTERRUPT__)) >> 5U) == 1U)?\
993                                                            ((__HANDLE__)->Instance->CR1 |= (1U <<\
994                                                                ((__INTERRUPT__) & UART_IT_MASK))): \
995                                                            ((((uint8_t)(__INTERRUPT__)) >> 5U) == 2U)?\
996                                                            ((__HANDLE__)->Instance->CR2 |= (1U <<\
997                                                                ((__INTERRUPT__) & UART_IT_MASK))): \
998                                                            ((__HANDLE__)->Instance->CR3 |= (1U <<\
999                                                                ((__INTERRUPT__) & UART_IT_MASK))))
1000 
1001 /** @brief  Disable the specified UART interrupt.
1002   * @param  __HANDLE__ specifies the UART Handle.
1003   * @param  __INTERRUPT__ specifies the UART interrupt source to disable.
1004   *          This parameter can be one of the following values:
1005   *            @arg @ref UART_IT_RXFF  RXFIFO Full interrupt
1006   *            @arg @ref UART_IT_TXFE  TXFIFO Empty interrupt
1007   *            @arg @ref UART_IT_RXFT  RXFIFO threshold interrupt
1008   *            @arg @ref UART_IT_TXFT  TXFIFO threshold interrupt
1009   *            @arg @ref UART_IT_WUF   Wakeup from stop mode interrupt
1010   *            @arg @ref UART_IT_CM    Character match interrupt
1011   *            @arg @ref UART_IT_CTS   CTS change interrupt
1012   *            @arg @ref UART_IT_LBD   LIN Break detection interrupt
1013   *            @arg @ref UART_IT_TXE   Transmit Data Register empty interrupt
1014   *            @arg @ref UART_IT_TXFNF TX FIFO not full interrupt
1015   *            @arg @ref UART_IT_TC    Transmission complete interrupt
1016   *            @arg @ref UART_IT_RXNE  Receive Data register not empty interrupt
1017   *            @arg @ref UART_IT_RXFNE RXFIFO not empty interrupt
1018   *            @arg @ref UART_IT_RTO   Receive Timeout interrupt
1019   *            @arg @ref UART_IT_IDLE  Idle line detection interrupt
1020   *            @arg @ref UART_IT_PE    Parity Error interrupt
1021   *            @arg @ref UART_IT_ERR   Error interrupt (Frame error, noise error, overrun error)
1022   * @retval None
1023   */
1024 #define __HAL_UART_DISABLE_IT(__HANDLE__, __INTERRUPT__)  (\
1025                                                            ((((uint8_t)(__INTERRUPT__)) >> 5U) == 1U)?\
1026                                                            ((__HANDLE__)->Instance->CR1 &= ~ (1U <<\
1027                                                                ((__INTERRUPT__) & UART_IT_MASK))): \
1028                                                            ((((uint8_t)(__INTERRUPT__)) >> 5U) == 2U)?\
1029                                                            ((__HANDLE__)->Instance->CR2 &= ~ (1U <<\
1030                                                                ((__INTERRUPT__) & UART_IT_MASK))): \
1031                                                            ((__HANDLE__)->Instance->CR3 &= ~ (1U <<\
1032                                                                ((__INTERRUPT__) & UART_IT_MASK))))
1033 
1034 /** @brief  Check whether the specified UART interrupt has occurred or not.
1035   * @param  __HANDLE__ specifies the UART Handle.
1036   * @param  __INTERRUPT__ specifies the UART interrupt to check.
1037   *          This parameter can be one of the following values:
1038   *            @arg @ref UART_IT_RXFF  RXFIFO Full interrupt
1039   *            @arg @ref UART_IT_TXFE  TXFIFO Empty interrupt
1040   *            @arg @ref UART_IT_RXFT  RXFIFO threshold interrupt
1041   *            @arg @ref UART_IT_TXFT  TXFIFO threshold interrupt
1042   *            @arg @ref UART_IT_WUF   Wakeup from stop mode interrupt
1043   *            @arg @ref UART_IT_CM    Character match interrupt
1044   *            @arg @ref UART_IT_CTS   CTS change interrupt
1045   *            @arg @ref UART_IT_LBD   LIN Break detection interrupt
1046   *            @arg @ref UART_IT_TXE   Transmit Data Register empty interrupt
1047   *            @arg @ref UART_IT_TXFNF TX FIFO not full interrupt
1048   *            @arg @ref UART_IT_TC    Transmission complete interrupt
1049   *            @arg @ref UART_IT_RXNE  Receive Data register not empty interrupt
1050   *            @arg @ref UART_IT_RXFNE RXFIFO not empty interrupt
1051   *            @arg @ref UART_IT_RTO   Receive Timeout interrupt
1052   *            @arg @ref UART_IT_IDLE  Idle line detection interrupt
1053   *            @arg @ref UART_IT_PE    Parity Error interrupt
1054   *            @arg @ref UART_IT_ERR   Error interrupt (Frame error, noise error, overrun error)
1055   * @retval The new state of __INTERRUPT__ (SET or RESET).
1056   */
1057 #define __HAL_UART_GET_IT(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->ISR\
1058                                                         & (1U << ((__INTERRUPT__)>> 8U))) != RESET) ? SET : RESET)
1059 
1060 /** @brief  Check whether the specified UART interrupt source is enabled or not.
1061   * @param  __HANDLE__ specifies the UART Handle.
1062   * @param  __INTERRUPT__ specifies the UART interrupt source to check.
1063   *          This parameter can be one of the following values:
1064   *            @arg @ref UART_IT_RXFF  RXFIFO Full interrupt
1065   *            @arg @ref UART_IT_TXFE  TXFIFO Empty interrupt
1066   *            @arg @ref UART_IT_RXFT  RXFIFO threshold interrupt
1067   *            @arg @ref UART_IT_TXFT  TXFIFO threshold interrupt
1068   *            @arg @ref UART_IT_WUF   Wakeup from stop mode interrupt
1069   *            @arg @ref UART_IT_CM    Character match interrupt
1070   *            @arg @ref UART_IT_CTS   CTS change interrupt
1071   *            @arg @ref UART_IT_LBD   LIN Break detection interrupt
1072   *            @arg @ref UART_IT_TXE   Transmit Data Register empty interrupt
1073   *            @arg @ref UART_IT_TXFNF TX FIFO not full interrupt
1074   *            @arg @ref UART_IT_TC    Transmission complete interrupt
1075   *            @arg @ref UART_IT_RXNE  Receive Data register not empty interrupt
1076   *            @arg @ref UART_IT_RXFNE RXFIFO not empty interrupt
1077   *            @arg @ref UART_IT_RTO   Receive Timeout interrupt
1078   *            @arg @ref UART_IT_IDLE  Idle line detection interrupt
1079   *            @arg @ref UART_IT_PE    Parity Error interrupt
1080   *            @arg @ref UART_IT_ERR   Error interrupt (Frame error, noise error, overrun error)
1081   * @retval The new state of __INTERRUPT__ (SET or RESET).
1082   */
1083 #define __HAL_UART_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((((((uint8_t)(__INTERRUPT__)) >> 5U) == 1U) ?\
1084                                                                 (__HANDLE__)->Instance->CR1 : \
1085                                                                 (((((uint8_t)(__INTERRUPT__)) >> 5U) == 2U) ?\
1086                                                                  (__HANDLE__)->Instance->CR2 : \
1087                                                                  (__HANDLE__)->Instance->CR3)) & (1U <<\
1088                                                                      (((uint16_t)(__INTERRUPT__)) &\
1089                                                                       UART_IT_MASK)))  != RESET) ? SET : RESET)
1090 
1091 /** @brief  Clear the specified UART ISR flag, in setting the proper ICR register flag.
1092   * @param  __HANDLE__ specifies the UART Handle.
1093   * @param  __IT_CLEAR__ specifies the interrupt clear register flag that needs to be set
1094   *                       to clear the corresponding interrupt
1095   *          This parameter can be one of the following values:
1096   *            @arg @ref UART_CLEAR_PEF    Parity Error Clear Flag
1097   *            @arg @ref UART_CLEAR_FEF    Framing Error Clear Flag
1098   *            @arg @ref UART_CLEAR_NEF    Noise detected Clear Flag
1099   *            @arg @ref UART_CLEAR_OREF   Overrun Error Clear Flag
1100   *            @arg @ref UART_CLEAR_IDLEF  IDLE line detected Clear Flag
1101   *            @arg @ref UART_CLEAR_RTOF   Receiver timeout clear flag
1102   *            @arg @ref UART_CLEAR_TXFECF TXFIFO empty Clear Flag
1103   *            @arg @ref UART_CLEAR_TCF    Transmission Complete Clear Flag
1104   *            @arg @ref UART_CLEAR_LBDF   LIN Break Detection Clear Flag
1105   *            @arg @ref UART_CLEAR_CTSF   CTS Interrupt Clear Flag
1106   *            @arg @ref UART_CLEAR_CMF    Character Match Clear Flag
1107   *            @arg @ref UART_CLEAR_WUF    Wake Up from stop mode Clear Flag
1108   * @retval None
1109   */
1110 #define __HAL_UART_CLEAR_IT(__HANDLE__, __IT_CLEAR__) ((__HANDLE__)->Instance->ICR = (uint32_t)(__IT_CLEAR__))
1111 
1112 /** @brief  Set a specific UART request flag.
1113   * @param  __HANDLE__ specifies the UART Handle.
1114   * @param  __REQ__ specifies the request flag to set
1115   *          This parameter can be one of the following values:
1116   *            @arg @ref UART_AUTOBAUD_REQUEST Auto-Baud Rate Request
1117   *            @arg @ref UART_SENDBREAK_REQUEST Send Break Request
1118   *            @arg @ref UART_MUTE_MODE_REQUEST Mute Mode Request
1119   *            @arg @ref UART_RXDATA_FLUSH_REQUEST Receive Data flush Request
1120   *            @arg @ref UART_TXDATA_FLUSH_REQUEST Transmit data flush Request
1121   * @retval None
1122   */
1123 #define __HAL_UART_SEND_REQ(__HANDLE__, __REQ__) ((__HANDLE__)->Instance->RQR |= (uint16_t)(__REQ__))
1124 
1125 /** @brief  Enable the UART one bit sample method.
1126   * @param  __HANDLE__ specifies the UART Handle.
1127   * @retval None
1128   */
1129 #define __HAL_UART_ONE_BIT_SAMPLE_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3|= USART_CR3_ONEBIT)
1130 
1131 /** @brief  Disable the UART one bit sample method.
1132   * @param  __HANDLE__ specifies the UART Handle.
1133   * @retval None
1134   */
1135 #define __HAL_UART_ONE_BIT_SAMPLE_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 &= ~USART_CR3_ONEBIT)
1136 
1137 /** @brief  Enable UART.
1138   * @param  __HANDLE__ specifies the UART Handle.
1139   * @retval None
1140   */
1141 #define __HAL_UART_ENABLE(__HANDLE__)                   ((__HANDLE__)->Instance->CR1 |= USART_CR1_UE)
1142 
1143 /** @brief  Disable UART.
1144   * @param  __HANDLE__ specifies the UART Handle.
1145   * @retval None
1146   */
1147 #define __HAL_UART_DISABLE(__HANDLE__)                  ((__HANDLE__)->Instance->CR1 &= ~USART_CR1_UE)
1148 
1149 /** @brief  Enable CTS flow control.
1150   * @note   This macro allows to enable CTS hardware flow control for a given UART instance,
1151   *         without need to call HAL_UART_Init() function.
1152   *         As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
1153   * @note   As macro is expected to be used for modifying CTS Hw flow control feature activation, without need
1154   *         for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
1155   *           - UART instance should have already been initialised (through call of HAL_UART_Init() )
1156   *           - macro could only be called when corresponding UART instance is disabled
1157   *             (i.e. __HAL_UART_DISABLE(__HANDLE__)) and should be followed by an Enable
1158   *              macro (i.e. __HAL_UART_ENABLE(__HANDLE__)).
1159   * @param  __HANDLE__ specifies the UART Handle.
1160   * @retval None
1161   */
1162 #define __HAL_UART_HWCONTROL_CTS_ENABLE(__HANDLE__)               \
1163   do{                                                             \
1164     ATOMIC_SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE);  \
1165     (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_CTSE;               \
1166   } while(0U)
1167 
1168 /** @brief  Disable CTS flow control.
1169   * @note   This macro allows to disable CTS hardware flow control for a given UART instance,
1170   *         without need to call HAL_UART_Init() function.
1171   *         As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
1172   * @note   As macro is expected to be used for modifying CTS Hw flow control feature activation, without need
1173   *         for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
1174   *           - UART instance should have already been initialised (through call of HAL_UART_Init() )
1175   *           - macro could only be called when corresponding UART instance is disabled
1176   *             (i.e. __HAL_UART_DISABLE(__HANDLE__)) and should be followed by an Enable
1177   *              macro (i.e. __HAL_UART_ENABLE(__HANDLE__)).
1178   * @param  __HANDLE__ specifies the UART Handle.
1179   * @retval None
1180   */
1181 #define __HAL_UART_HWCONTROL_CTS_DISABLE(__HANDLE__)               \
1182   do{                                                              \
1183     ATOMIC_CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE); \
1184     (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_CTSE);             \
1185   } while(0U)
1186 
1187 /** @brief  Enable RTS flow control.
1188   * @note   This macro allows to enable RTS hardware flow control for a given UART instance,
1189   *         without need to call HAL_UART_Init() function.
1190   *         As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
1191   * @note   As macro is expected to be used for modifying RTS Hw flow control feature activation, without need
1192   *         for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
1193   *           - UART instance should have already been initialised (through call of HAL_UART_Init() )
1194   *           - macro could only be called when corresponding UART instance is disabled
1195   *             (i.e. __HAL_UART_DISABLE(__HANDLE__)) and should be followed by an Enable
1196   *              macro (i.e. __HAL_UART_ENABLE(__HANDLE__)).
1197   * @param  __HANDLE__ specifies the UART Handle.
1198   * @retval None
1199   */
1200 #define __HAL_UART_HWCONTROL_RTS_ENABLE(__HANDLE__)              \
1201   do{                                                            \
1202     ATOMIC_SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE); \
1203     (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_RTSE;              \
1204   } while(0U)
1205 
1206 /** @brief  Disable RTS flow control.
1207   * @note   This macro allows to disable RTS hardware flow control for a given UART instance,
1208   *         without need to call HAL_UART_Init() function.
1209   *         As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
1210   * @note   As macro is expected to be used for modifying RTS Hw flow control feature activation, without need
1211   *         for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
1212   *           - UART instance should have already been initialised (through call of HAL_UART_Init() )
1213   *           - macro could only be called when corresponding UART instance is disabled
1214   *             (i.e. __HAL_UART_DISABLE(__HANDLE__)) and should be followed by an Enable
1215   *              macro (i.e. __HAL_UART_ENABLE(__HANDLE__)).
1216   * @param  __HANDLE__ specifies the UART Handle.
1217   * @retval None
1218   */
1219 #define __HAL_UART_HWCONTROL_RTS_DISABLE(__HANDLE__)              \
1220   do{                                                             \
1221     ATOMIC_CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE);\
1222     (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_RTSE);            \
1223   } while(0U)
1224 /**
1225   * @}
1226   */
1227 
1228 /* Private macros --------------------------------------------------------*/
1229 /** @defgroup UART_Private_Macros   UART Private Macros
1230   * @{
1231   */
1232 /** @brief  Get UART clock division factor from clock prescaler value.
1233   * @param  __CLOCKPRESCALER__ UART prescaler value.
1234   * @retval UART clock division factor
1235   */
1236 #define UART_GET_DIV_FACTOR(__CLOCKPRESCALER__) \
1237   (((__CLOCKPRESCALER__) == UART_PRESCALER_DIV1)   ? 1U :       \
1238    ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV2)   ? 2U :       \
1239    ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV4)   ? 4U :       \
1240    ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV6)   ? 6U :       \
1241    ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV8)   ? 8U :       \
1242    ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV10)  ? 10U :      \
1243    ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV12)  ? 12U :      \
1244    ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV16)  ? 16U :      \
1245    ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV32)  ? 32U :      \
1246    ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV64)  ? 64U :      \
1247    ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV128) ? 128U : 256U)
1248 
1249 /** @brief  BRR division operation to set BRR register with LPUART.
1250   * @param  __PCLK__ LPUART clock.
1251   * @param  __BAUD__ Baud rate set by the user.
1252   * @param  __CLOCKPRESCALER__ UART prescaler value.
1253   * @retval Division result
1254   */
1255 #define UART_DIV_LPUART(__PCLK__, __BAUD__, __CLOCKPRESCALER__)                        \
1256   ((uint32_t)((((((uint64_t)(__PCLK__))/(UARTPrescTable[(__CLOCKPRESCALER__)]))*256U)+ \
1257                (uint32_t)((__BAUD__)/2U)) / (__BAUD__))                                \
1258   )
1259 
1260 /** @brief  BRR division operation to set BRR register in 8-bit oversampling mode.
1261   * @param  __PCLK__ UART clock.
1262   * @param  __BAUD__ Baud rate set by the user.
1263   * @param  __CLOCKPRESCALER__ UART prescaler value.
1264   * @retval Division result
1265   */
1266 #define UART_DIV_SAMPLING8(__PCLK__, __BAUD__, __CLOCKPRESCALER__)                        \
1267   (((((__PCLK__)/UARTPrescTable[(__CLOCKPRESCALER__)])*2U) + ((__BAUD__)/2U)) / (__BAUD__))
1268 
1269 /** @brief  BRR division operation to set BRR register in 16-bit oversampling mode.
1270   * @param  __PCLK__ UART clock.
1271   * @param  __BAUD__ Baud rate set by the user.
1272   * @param  __CLOCKPRESCALER__ UART prescaler value.
1273   * @retval Division result
1274   */
1275 #define UART_DIV_SAMPLING16(__PCLK__, __BAUD__, __CLOCKPRESCALER__)                       \
1276   ((((__PCLK__)/UARTPrescTable[(__CLOCKPRESCALER__)]) + ((__BAUD__)/2U)) / (__BAUD__))
1277 
1278 /** @brief  Check whether or not UART instance is Low Power UART.
1279   * @param  __HANDLE__ specifies the UART Handle.
1280   * @retval SET (instance is LPUART) or RESET (instance isn't LPUART)
1281   */
1282 #define UART_INSTANCE_LOWPOWER(__HANDLE__) (IS_LPUART_INSTANCE((__HANDLE__)->Instance))
1283 
1284 /** @brief  Check UART Baud rate.
1285   * @param  __BAUDRATE__ Baudrate specified by the user.
1286   *         The maximum Baud Rate is derived from the maximum clock on U0 (i.e. 48 MHz)
1287   *         divided by the smallest oversampling used on the USART (i.e. 8)
1288   * @retval SET (__BAUDRATE__ is valid) or RESET (__BAUDRATE__ is invalid)
1289   */
1290 #define IS_UART_BAUDRATE(__BAUDRATE__) ((__BAUDRATE__) < 6000000U)
1291 
1292 /** @brief  Check UART assertion time.
1293   * @param  __TIME__ 5-bit value assertion time.
1294   * @retval Test result (TRUE or FALSE).
1295   */
1296 #define IS_UART_ASSERTIONTIME(__TIME__)    ((__TIME__) <= 0x1FU)
1297 
1298 /** @brief  Check UART deassertion time.
1299   * @param  __TIME__ 5-bit value deassertion time.
1300   * @retval Test result (TRUE or FALSE).
1301   */
1302 #define IS_UART_DEASSERTIONTIME(__TIME__) ((__TIME__) <= 0x1FU)
1303 
1304 /**
1305   * @brief Ensure that UART frame number of stop bits is valid.
1306   * @param __STOPBITS__ UART frame number of stop bits.
1307   * @retval SET (__STOPBITS__ is valid) or RESET (__STOPBITS__ is invalid)
1308   */
1309 #define IS_UART_STOPBITS(__STOPBITS__) (((__STOPBITS__) == UART_STOPBITS_0_5) || \
1310                                         ((__STOPBITS__) == UART_STOPBITS_1)   || \
1311                                         ((__STOPBITS__) == UART_STOPBITS_1_5) || \
1312                                         ((__STOPBITS__) == UART_STOPBITS_2))
1313 
1314 /**
1315   * @brief Ensure that LPUART frame number of stop bits is valid.
1316   * @param __STOPBITS__ LPUART frame number of stop bits.
1317   * @retval SET (__STOPBITS__ is valid) or RESET (__STOPBITS__ is invalid)
1318   */
1319 #define IS_LPUART_STOPBITS(__STOPBITS__) (((__STOPBITS__) == UART_STOPBITS_1) || \
1320                                           ((__STOPBITS__) == UART_STOPBITS_2))
1321 
1322 /**
1323   * @brief Ensure that UART frame parity is valid.
1324   * @param __PARITY__ UART frame parity.
1325   * @retval SET (__PARITY__ is valid) or RESET (__PARITY__ is invalid)
1326   */
1327 #define IS_UART_PARITY(__PARITY__) (((__PARITY__) == UART_PARITY_NONE) || \
1328                                     ((__PARITY__) == UART_PARITY_EVEN) || \
1329                                     ((__PARITY__) == UART_PARITY_ODD))
1330 
1331 /**
1332   * @brief Ensure that UART hardware flow control is valid.
1333   * @param __CONTROL__ UART hardware flow control.
1334   * @retval SET (__CONTROL__ is valid) or RESET (__CONTROL__ is invalid)
1335   */
1336 #define IS_UART_HARDWARE_FLOW_CONTROL(__CONTROL__)\
1337   (((__CONTROL__) == UART_HWCONTROL_NONE) || \
1338    ((__CONTROL__) == UART_HWCONTROL_RTS)  || \
1339    ((__CONTROL__) == UART_HWCONTROL_CTS)  || \
1340    ((__CONTROL__) == UART_HWCONTROL_RTS_CTS))
1341 
1342 /**
1343   * @brief Ensure that UART communication mode is valid.
1344   * @param __MODE__ UART communication mode.
1345   * @retval SET (__MODE__ is valid) or RESET (__MODE__ is invalid)
1346   */
1347 #define IS_UART_MODE(__MODE__) ((((__MODE__) & (~((uint32_t)(UART_MODE_TX_RX)))) == 0x00U) && ((__MODE__) != 0x00U))
1348 
1349 /**
1350   * @brief Ensure that UART state is valid.
1351   * @param __STATE__ UART state.
1352   * @retval SET (__STATE__ is valid) or RESET (__STATE__ is invalid)
1353   */
1354 #define IS_UART_STATE(__STATE__) (((__STATE__) == UART_STATE_DISABLE) || \
1355                                   ((__STATE__) == UART_STATE_ENABLE))
1356 
1357 /**
1358   * @brief Ensure that UART oversampling is valid.
1359   * @param __SAMPLING__ UART oversampling.
1360   * @retval SET (__SAMPLING__ is valid) or RESET (__SAMPLING__ is invalid)
1361   */
1362 #define IS_UART_OVERSAMPLING(__SAMPLING__) (((__SAMPLING__) == UART_OVERSAMPLING_16) || \
1363                                             ((__SAMPLING__) == UART_OVERSAMPLING_8))
1364 
1365 /**
1366   * @brief Ensure that UART frame sampling is valid.
1367   * @param __ONEBIT__ UART frame sampling.
1368   * @retval SET (__ONEBIT__ is valid) or RESET (__ONEBIT__ is invalid)
1369   */
1370 #define IS_UART_ONE_BIT_SAMPLE(__ONEBIT__) (((__ONEBIT__) == UART_ONE_BIT_SAMPLE_DISABLE) || \
1371                                             ((__ONEBIT__) == UART_ONE_BIT_SAMPLE_ENABLE))
1372 
1373 /**
1374   * @brief Ensure that UART auto Baud rate detection mode is valid.
1375   * @param __MODE__ UART auto Baud rate detection mode.
1376   * @retval SET (__MODE__ is valid) or RESET (__MODE__ is invalid)
1377   */
1378 #define IS_UART_ADVFEATURE_AUTOBAUDRATEMODE(__MODE__)  (((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ONSTARTBIT)    || \
1379                                                         ((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ONFALLINGEDGE) || \
1380                                                         ((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ON0X7FFRAME)   || \
1381                                                         ((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ON0X55FRAME))
1382 
1383 /**
1384   * @brief Ensure that UART receiver timeout setting is valid.
1385   * @param __TIMEOUT__ UART receiver timeout setting.
1386   * @retval SET (__TIMEOUT__ is valid) or RESET (__TIMEOUT__ is invalid)
1387   */
1388 #define IS_UART_RECEIVER_TIMEOUT(__TIMEOUT__)  (((__TIMEOUT__) == UART_RECEIVER_TIMEOUT_DISABLE) || \
1389                                                 ((__TIMEOUT__) == UART_RECEIVER_TIMEOUT_ENABLE))
1390 
1391 /** @brief  Check the receiver timeout value.
1392   * @note   The maximum UART receiver timeout value is 0xFFFFFF.
1393   * @param  __TIMEOUTVALUE__ receiver timeout value.
1394   * @retval Test result (TRUE or FALSE)
1395   */
1396 #define IS_UART_RECEIVER_TIMEOUT_VALUE(__TIMEOUTVALUE__)  ((__TIMEOUTVALUE__) <= 0xFFFFFFU)
1397 
1398 /**
1399   * @brief Ensure that UART LIN state is valid.
1400   * @param __LIN__ UART LIN state.
1401   * @retval SET (__LIN__ is valid) or RESET (__LIN__ is invalid)
1402   */
1403 #define IS_UART_LIN(__LIN__)        (((__LIN__) == UART_LIN_DISABLE) || \
1404                                      ((__LIN__) == UART_LIN_ENABLE))
1405 
1406 /**
1407   * @brief Ensure that UART LIN break detection length is valid.
1408   * @param __LENGTH__ UART LIN break detection length.
1409   * @retval SET (__LENGTH__ is valid) or RESET (__LENGTH__ is invalid)
1410   */
1411 #define IS_UART_LIN_BREAK_DETECT_LENGTH(__LENGTH__) (((__LENGTH__) == UART_LINBREAKDETECTLENGTH_10B) || \
1412                                                      ((__LENGTH__) == UART_LINBREAKDETECTLENGTH_11B))
1413 
1414 #if defined(HAL_DMA_MODULE_ENABLED)
1415 /**
1416   * @brief Ensure that UART DMA TX state is valid.
1417   * @param __DMATX__ UART DMA TX state.
1418   * @retval SET (__DMATX__ is valid) or RESET (__DMATX__ is invalid)
1419   */
1420 #define IS_UART_DMA_TX(__DMATX__)     (((__DMATX__) == UART_DMA_TX_DISABLE) || \
1421                                        ((__DMATX__) == UART_DMA_TX_ENABLE))
1422 
1423 /**
1424   * @brief Ensure that UART DMA RX state is valid.
1425   * @param __DMARX__ UART DMA RX state.
1426   * @retval SET (__DMARX__ is valid) or RESET (__DMARX__ is invalid)
1427   */
1428 #define IS_UART_DMA_RX(__DMARX__)     (((__DMARX__) == UART_DMA_RX_DISABLE) || \
1429                                        ((__DMARX__) == UART_DMA_RX_ENABLE))
1430 
1431 #endif /* HAL_DMA_MODULE_ENABLED */
1432 /**
1433   * @brief Ensure that UART half-duplex state is valid.
1434   * @param __HDSEL__ UART half-duplex state.
1435   * @retval SET (__HDSEL__ is valid) or RESET (__HDSEL__ is invalid)
1436   */
1437 #define IS_UART_HALF_DUPLEX(__HDSEL__)     (((__HDSEL__) == UART_HALF_DUPLEX_DISABLE) || \
1438                                             ((__HDSEL__) == UART_HALF_DUPLEX_ENABLE))
1439 
1440 /**
1441   * @brief Ensure that UART wake-up method is valid.
1442   * @param __WAKEUP__ UART wake-up method .
1443   * @retval SET (__WAKEUP__ is valid) or RESET (__WAKEUP__ is invalid)
1444   */
1445 #define IS_UART_WAKEUPMETHOD(__WAKEUP__) (((__WAKEUP__) == UART_WAKEUPMETHOD_IDLELINE) || \
1446                                           ((__WAKEUP__) == UART_WAKEUPMETHOD_ADDRESSMARK))
1447 
1448 /**
1449   * @brief Ensure that UART request parameter is valid.
1450   * @param __PARAM__ UART request parameter.
1451   * @retval SET (__PARAM__ is valid) or RESET (__PARAM__ is invalid)
1452   */
1453 #define IS_UART_REQUEST_PARAMETER(__PARAM__) (((__PARAM__) == UART_AUTOBAUD_REQUEST)     || \
1454                                               ((__PARAM__) == UART_SENDBREAK_REQUEST)    || \
1455                                               ((__PARAM__) == UART_MUTE_MODE_REQUEST)    || \
1456                                               ((__PARAM__) == UART_RXDATA_FLUSH_REQUEST) || \
1457                                               ((__PARAM__) == UART_TXDATA_FLUSH_REQUEST))
1458 
1459 /**
1460   * @brief Ensure that UART advanced features initialization is valid.
1461   * @param __INIT__ UART advanced features initialization.
1462   * @retval SET (__INIT__ is valid) or RESET (__INIT__ is invalid)
1463   */
1464 #if defined(HAL_DMA_MODULE_ENABLED)
1465 #define IS_UART_ADVFEATURE_INIT(__INIT__)   ((__INIT__) <= (UART_ADVFEATURE_NO_INIT                | \
1466                                                             UART_ADVFEATURE_TXINVERT_INIT          | \
1467                                                             UART_ADVFEATURE_RXINVERT_INIT          | \
1468                                                             UART_ADVFEATURE_DATAINVERT_INIT        | \
1469                                                             UART_ADVFEATURE_SWAP_INIT              | \
1470                                                             UART_ADVFEATURE_RXOVERRUNDISABLE_INIT  | \
1471                                                             UART_ADVFEATURE_DMADISABLEONERROR_INIT | \
1472                                                             UART_ADVFEATURE_AUTOBAUDRATE_INIT      | \
1473                                                             UART_ADVFEATURE_MSBFIRST_INIT))
1474 #else
1475 #define IS_UART_ADVFEATURE_INIT(__INIT__)   ((__INIT__) <= (UART_ADVFEATURE_NO_INIT                | \
1476                                                             UART_ADVFEATURE_TXINVERT_INIT          | \
1477                                                             UART_ADVFEATURE_RXINVERT_INIT          | \
1478                                                             UART_ADVFEATURE_DATAINVERT_INIT        | \
1479                                                             UART_ADVFEATURE_SWAP_INIT              | \
1480                                                             UART_ADVFEATURE_RXOVERRUNDISABLE_INIT  | \
1481                                                             UART_ADVFEATURE_AUTOBAUDRATE_INIT      | \
1482                                                             UART_ADVFEATURE_MSBFIRST_INIT))
1483 #endif /* HAL_DMA_MODULE_ENABLED */
1484 
1485 /**
1486   * @brief Ensure that UART frame TX inversion setting is valid.
1487   * @param __TXINV__ UART frame TX inversion setting.
1488   * @retval SET (__TXINV__ is valid) or RESET (__TXINV__ is invalid)
1489   */
1490 #define IS_UART_ADVFEATURE_TXINV(__TXINV__) (((__TXINV__) == UART_ADVFEATURE_TXINV_DISABLE) || \
1491                                              ((__TXINV__) == UART_ADVFEATURE_TXINV_ENABLE))
1492 
1493 /**
1494   * @brief Ensure that UART frame RX inversion setting is valid.
1495   * @param __RXINV__ UART frame RX inversion setting.
1496   * @retval SET (__RXINV__ is valid) or RESET (__RXINV__ is invalid)
1497   */
1498 #define IS_UART_ADVFEATURE_RXINV(__RXINV__) (((__RXINV__) == UART_ADVFEATURE_RXINV_DISABLE) || \
1499                                              ((__RXINV__) == UART_ADVFEATURE_RXINV_ENABLE))
1500 
1501 /**
1502   * @brief Ensure that UART frame data inversion setting is valid.
1503   * @param __DATAINV__ UART frame data inversion setting.
1504   * @retval SET (__DATAINV__ is valid) or RESET (__DATAINV__ is invalid)
1505   */
1506 #define IS_UART_ADVFEATURE_DATAINV(__DATAINV__) (((__DATAINV__) == UART_ADVFEATURE_DATAINV_DISABLE) || \
1507                                                  ((__DATAINV__) == UART_ADVFEATURE_DATAINV_ENABLE))
1508 
1509 /**
1510   * @brief Ensure that UART frame RX/TX pins swap setting is valid.
1511   * @param __SWAP__ UART frame RX/TX pins swap setting.
1512   * @retval SET (__SWAP__ is valid) or RESET (__SWAP__ is invalid)
1513   */
1514 #define IS_UART_ADVFEATURE_SWAP(__SWAP__) (((__SWAP__) == UART_ADVFEATURE_SWAP_DISABLE) || \
1515                                            ((__SWAP__) == UART_ADVFEATURE_SWAP_ENABLE))
1516 
1517 /**
1518   * @brief Ensure that UART frame overrun setting is valid.
1519   * @param __OVERRUN__ UART frame overrun setting.
1520   * @retval SET (__OVERRUN__ is valid) or RESET (__OVERRUN__ is invalid)
1521   */
1522 #define IS_UART_OVERRUN(__OVERRUN__)     (((__OVERRUN__) == UART_ADVFEATURE_OVERRUN_ENABLE) || \
1523                                           ((__OVERRUN__) == UART_ADVFEATURE_OVERRUN_DISABLE))
1524 
1525 /**
1526   * @brief Ensure that UART auto Baud rate state is valid.
1527   * @param __AUTOBAUDRATE__ UART auto Baud rate state.
1528   * @retval SET (__AUTOBAUDRATE__ is valid) or RESET (__AUTOBAUDRATE__ is invalid)
1529   */
1530 #define IS_UART_ADVFEATURE_AUTOBAUDRATE(__AUTOBAUDRATE__) (((__AUTOBAUDRATE__) == \
1531                                                             UART_ADVFEATURE_AUTOBAUDRATE_DISABLE) || \
1532                                                            ((__AUTOBAUDRATE__) == UART_ADVFEATURE_AUTOBAUDRATE_ENABLE))
1533 
1534 #if defined(HAL_DMA_MODULE_ENABLED)
1535 /**
1536   * @brief Ensure that UART DMA enabling or disabling on error setting is valid.
1537   * @param __DMA__ UART DMA enabling or disabling on error setting.
1538   * @retval SET (__DMA__ is valid) or RESET (__DMA__ is invalid)
1539   */
1540 #define IS_UART_ADVFEATURE_DMAONRXERROR(__DMA__)  (((__DMA__) == UART_ADVFEATURE_DMA_ENABLEONRXERROR) || \
1541                                                    ((__DMA__) == UART_ADVFEATURE_DMA_DISABLEONRXERROR))
1542 #endif /* HAL_DMA_MODULE_ENABLED */
1543 
1544 /**
1545   * @brief Ensure that UART frame MSB first setting is valid.
1546   * @param __MSBFIRST__ UART frame MSB first setting.
1547   * @retval SET (__MSBFIRST__ is valid) or RESET (__MSBFIRST__ is invalid)
1548   */
1549 #define IS_UART_ADVFEATURE_MSBFIRST(__MSBFIRST__) (((__MSBFIRST__) == UART_ADVFEATURE_MSBFIRST_DISABLE) || \
1550                                                    ((__MSBFIRST__) == UART_ADVFEATURE_MSBFIRST_ENABLE))
1551 
1552 /**
1553   * @brief Ensure that UART stop mode state is valid.
1554   * @param __STOPMODE__ UART stop mode state.
1555   * @retval SET (__STOPMODE__ is valid) or RESET (__STOPMODE__ is invalid)
1556   */
1557 #define IS_UART_ADVFEATURE_STOPMODE(__STOPMODE__) (((__STOPMODE__) == UART_ADVFEATURE_STOPMODE_DISABLE) || \
1558                                                    ((__STOPMODE__) == UART_ADVFEATURE_STOPMODE_ENABLE))
1559 
1560 /**
1561   * @brief Ensure that UART mute mode state is valid.
1562   * @param __MUTE__ UART mute mode state.
1563   * @retval SET (__MUTE__ is valid) or RESET (__MUTE__ is invalid)
1564   */
1565 #define IS_UART_MUTE_MODE(__MUTE__)       (((__MUTE__) == UART_ADVFEATURE_MUTEMODE_DISABLE) || \
1566                                            ((__MUTE__) == UART_ADVFEATURE_MUTEMODE_ENABLE))
1567 
1568 /**
1569   * @brief Ensure that UART wake-up selection is valid.
1570   * @param __WAKE__ UART wake-up selection.
1571   * @retval SET (__WAKE__ is valid) or RESET (__WAKE__ is invalid)
1572   */
1573 #define IS_UART_WAKEUP_SELECTION(__WAKE__) (((__WAKE__) == UART_WAKEUP_ON_ADDRESS)           || \
1574                                             ((__WAKE__) == UART_WAKEUP_ON_STARTBIT)          || \
1575                                             ((__WAKE__) == UART_WAKEUP_ON_READDATA_NONEMPTY))
1576 
1577 /**
1578   * @brief Ensure that UART driver enable polarity is valid.
1579   * @param __POLARITY__ UART driver enable polarity.
1580   * @retval SET (__POLARITY__ is valid) or RESET (__POLARITY__ is invalid)
1581   */
1582 #define IS_UART_DE_POLARITY(__POLARITY__)    (((__POLARITY__) == UART_DE_POLARITY_HIGH) || \
1583                                               ((__POLARITY__) == UART_DE_POLARITY_LOW))
1584 
1585 /**
1586   * @brief Ensure that UART Prescaler is valid.
1587   * @param __CLOCKPRESCALER__ UART Prescaler value.
1588   * @retval SET (__CLOCKPRESCALER__ is valid) or RESET (__CLOCKPRESCALER__ is invalid)
1589   */
1590 #define IS_UART_PRESCALER(__CLOCKPRESCALER__) (((__CLOCKPRESCALER__) == UART_PRESCALER_DIV1)   || \
1591                                                ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV2)   || \
1592                                                ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV4)   || \
1593                                                ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV6)   || \
1594                                                ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV8)   || \
1595                                                ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV10)  || \
1596                                                ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV12)  || \
1597                                                ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV16)  || \
1598                                                ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV32)  || \
1599                                                ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV64)  || \
1600                                                ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV128) || \
1601                                                ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV256))
1602 
1603 /**
1604   * @}
1605   */
1606 
1607 /* Include UART HAL Extended module */
1608 #include "stm32u0xx_hal_uart_ex.h"
1609 
1610 /* Exported functions --------------------------------------------------------*/
1611 /** @addtogroup UART_Exported_Functions UART Exported Functions
1612   * @{
1613   */
1614 
1615 /** @addtogroup UART_Exported_Functions_Group1 Initialization and de-initialization functions
1616   * @{
1617   */
1618 
1619 /* Initialization and de-initialization functions  ****************************/
1620 HAL_StatusTypeDef HAL_UART_Init(UART_HandleTypeDef *huart);
1621 HAL_StatusTypeDef HAL_HalfDuplex_Init(UART_HandleTypeDef *huart);
1622 HAL_StatusTypeDef HAL_LIN_Init(UART_HandleTypeDef *huart, uint32_t BreakDetectLength);
1623 HAL_StatusTypeDef HAL_MultiProcessor_Init(UART_HandleTypeDef *huart, uint8_t Address, uint32_t WakeUpMethod);
1624 HAL_StatusTypeDef HAL_UART_DeInit(UART_HandleTypeDef *huart);
1625 void HAL_UART_MspInit(UART_HandleTypeDef *huart);
1626 void HAL_UART_MspDeInit(UART_HandleTypeDef *huart);
1627 
1628 /* Callbacks Register/UnRegister functions  ***********************************/
1629 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
1630 HAL_StatusTypeDef HAL_UART_RegisterCallback(UART_HandleTypeDef *huart, HAL_UART_CallbackIDTypeDef CallbackID,
1631                                             pUART_CallbackTypeDef pCallback);
1632 HAL_StatusTypeDef HAL_UART_UnRegisterCallback(UART_HandleTypeDef *huart, HAL_UART_CallbackIDTypeDef CallbackID);
1633 
1634 HAL_StatusTypeDef HAL_UART_RegisterRxEventCallback(UART_HandleTypeDef *huart, pUART_RxEventCallbackTypeDef pCallback);
1635 HAL_StatusTypeDef HAL_UART_UnRegisterRxEventCallback(UART_HandleTypeDef *huart);
1636 #endif /* USE_HAL_UART_REGISTER_CALLBACKS */
1637 
1638 /**
1639   * @}
1640   */
1641 
1642 /** @addtogroup UART_Exported_Functions_Group2 IO operation functions
1643   * @{
1644   */
1645 
1646 /* IO operation functions *****************************************************/
1647 HAL_StatusTypeDef HAL_UART_Transmit(UART_HandleTypeDef *huart, const uint8_t *pData, uint16_t Size, uint32_t Timeout);
1648 HAL_StatusTypeDef HAL_UART_Receive(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout);
1649 HAL_StatusTypeDef HAL_UART_Transmit_IT(UART_HandleTypeDef *huart, const uint8_t *pData, uint16_t Size);
1650 HAL_StatusTypeDef HAL_UART_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
1651 #if defined(HAL_DMA_MODULE_ENABLED)
1652 HAL_StatusTypeDef HAL_UART_Transmit_DMA(UART_HandleTypeDef *huart, const uint8_t *pData, uint16_t Size);
1653 HAL_StatusTypeDef HAL_UART_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
1654 HAL_StatusTypeDef HAL_UART_DMAPause(UART_HandleTypeDef *huart);
1655 HAL_StatusTypeDef HAL_UART_DMAResume(UART_HandleTypeDef *huart);
1656 HAL_StatusTypeDef HAL_UART_DMAStop(UART_HandleTypeDef *huart);
1657 #endif /* HAL_DMA_MODULE_ENABLED */
1658 /* Transfer Abort functions */
1659 HAL_StatusTypeDef HAL_UART_Abort(UART_HandleTypeDef *huart);
1660 HAL_StatusTypeDef HAL_UART_AbortTransmit(UART_HandleTypeDef *huart);
1661 HAL_StatusTypeDef HAL_UART_AbortReceive(UART_HandleTypeDef *huart);
1662 HAL_StatusTypeDef HAL_UART_Abort_IT(UART_HandleTypeDef *huart);
1663 HAL_StatusTypeDef HAL_UART_AbortTransmit_IT(UART_HandleTypeDef *huart);
1664 HAL_StatusTypeDef HAL_UART_AbortReceive_IT(UART_HandleTypeDef *huart);
1665 
1666 void HAL_UART_IRQHandler(UART_HandleTypeDef *huart);
1667 void HAL_UART_TxHalfCpltCallback(UART_HandleTypeDef *huart);
1668 void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart);
1669 void HAL_UART_RxHalfCpltCallback(UART_HandleTypeDef *huart);
1670 void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart);
1671 void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart);
1672 void HAL_UART_AbortCpltCallback(UART_HandleTypeDef *huart);
1673 void HAL_UART_AbortTransmitCpltCallback(UART_HandleTypeDef *huart);
1674 void HAL_UART_AbortReceiveCpltCallback(UART_HandleTypeDef *huart);
1675 
1676 void HAL_UARTEx_RxEventCallback(UART_HandleTypeDef *huart, uint16_t Size);
1677 
1678 /**
1679   * @}
1680   */
1681 
1682 /** @addtogroup UART_Exported_Functions_Group3 Peripheral Control functions
1683   * @{
1684   */
1685 
1686 /* Peripheral Control functions  ************************************************/
1687 void HAL_UART_ReceiverTimeout_Config(UART_HandleTypeDef *huart, uint32_t TimeoutValue);
1688 HAL_StatusTypeDef HAL_UART_EnableReceiverTimeout(UART_HandleTypeDef *huart);
1689 HAL_StatusTypeDef HAL_UART_DisableReceiverTimeout(UART_HandleTypeDef *huart);
1690 
1691 HAL_StatusTypeDef HAL_LIN_SendBreak(UART_HandleTypeDef *huart);
1692 HAL_StatusTypeDef HAL_MultiProcessor_EnableMuteMode(UART_HandleTypeDef *huart);
1693 HAL_StatusTypeDef HAL_MultiProcessor_DisableMuteMode(UART_HandleTypeDef *huart);
1694 void HAL_MultiProcessor_EnterMuteMode(UART_HandleTypeDef *huart);
1695 HAL_StatusTypeDef HAL_HalfDuplex_EnableTransmitter(UART_HandleTypeDef *huart);
1696 HAL_StatusTypeDef HAL_HalfDuplex_EnableReceiver(UART_HandleTypeDef *huart);
1697 
1698 /**
1699   * @}
1700   */
1701 
1702 /** @addtogroup UART_Exported_Functions_Group4 Peripheral State and Error functions
1703   * @{
1704   */
1705 
1706 /* Peripheral State and Errors functions  **************************************************/
1707 HAL_UART_StateTypeDef HAL_UART_GetState(const UART_HandleTypeDef *huart);
1708 uint32_t              HAL_UART_GetError(const UART_HandleTypeDef *huart);
1709 
1710 /**
1711   * @}
1712   */
1713 
1714 /**
1715   * @}
1716   */
1717 
1718 /* Private functions -----------------------------------------------------------*/
1719 /** @addtogroup UART_Private_Functions UART Private Functions
1720   * @{
1721   */
1722 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
1723 void              UART_InitCallbacksToDefault(UART_HandleTypeDef *huart);
1724 #endif /* USE_HAL_UART_REGISTER_CALLBACKS */
1725 HAL_StatusTypeDef UART_SetConfig(UART_HandleTypeDef *huart);
1726 HAL_StatusTypeDef UART_CheckIdleState(UART_HandleTypeDef *huart);
1727 HAL_StatusTypeDef UART_WaitOnFlagUntilTimeout(UART_HandleTypeDef *huart, uint32_t Flag, FlagStatus Status,
1728                                               uint32_t Tickstart, uint32_t Timeout);
1729 void              UART_AdvFeatureConfig(UART_HandleTypeDef *huart);
1730 HAL_StatusTypeDef UART_Start_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
1731 #if defined(HAL_DMA_MODULE_ENABLED)
1732 HAL_StatusTypeDef UART_Start_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
1733 #endif /* HAL_DMA_MODULE_ENABLED */
1734 
1735 /**
1736   * @}
1737   */
1738 
1739 /* Private variables -----------------------------------------------------------*/
1740 /** @defgroup UART_Private_variables UART Private variables
1741   * @{
1742   */
1743 /* Prescaler Table used in BRR computation macros.
1744    Declared as extern here to allow use of private UART macros, outside of HAL UART functions */
1745 extern const uint16_t UARTPrescTable[12];
1746 /**
1747   * @}
1748   */
1749 
1750 /**
1751   * @}
1752   */
1753 
1754 /**
1755   * @}
1756   */
1757 
1758 #ifdef __cplusplus
1759 }
1760 #endif
1761 
1762 #endif /* STM32U0xx_HAL_UART_H */
1763 
1764