1 /**
2   ******************************************************************************
3   * @file    stm32g4xx_hal_uart.h
4   * @author  MCD Application Team
5   * @brief   Header file of UART HAL module.
6   ******************************************************************************
7   * @attention
8   *
9   * Copyright (c) 2019 STMicroelectronics.
10   * All rights reserved.
11   *
12   * This software is licensed under terms that can be found in the LICENSE file
13   * in the root directory of this software component.
14   * If no LICENSE file comes with this software, it is provided AS-IS.
15   *
16   ******************************************************************************
17   */
18 
19 /* Define to prevent recursive inclusion -------------------------------------*/
20 #ifndef STM32G4xx_HAL_UART_H
21 #define STM32G4xx_HAL_UART_H
22 
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26 
27 /* Includes ------------------------------------------------------------------*/
28 #include "stm32g4xx_hal_def.h"
29 
30 /** @addtogroup STM32G4xx_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   uint32_t DMADisableonRxError;   /*!< Specifies whether the DMA is disabled in case of reception error.
126                                        This parameter can be a value of @ref UART_DMA_Disable_on_Rx_Error. */
127 
128   uint32_t AutoBaudRateEnable;    /*!< Specifies whether auto Baud rate detection is enabled.
129                                        This parameter can be a value of @ref UART_AutoBaudRate_Enable. */
130 
131   uint32_t AutoBaudRateMode;      /*!< If auto Baud rate detection is enabled, specifies how the rate
132                                        detection is carried out.
133                                        This parameter can be a value of @ref UART_AutoBaud_Rate_Mode. */
134 
135   uint32_t MSBFirst;              /*!< Specifies whether MSB is sent first on UART line.
136                                        This parameter can be a value of @ref UART_MSB_First. */
137 } UART_AdvFeatureInitTypeDef;
138 
139 /**
140   * @brief HAL UART State definition
141   * @note  HAL UART State value is a combination of 2 different substates:
142   *        gState and RxState (see @ref UART_State_Definition).
143   *        - gState contains UART state information related to global Handle management
144   *          and also information related to Tx operations.
145   *          gState value coding follow below described bitmap :
146   *          b7-b6  Error information
147   *             00 : No Error
148   *             01 : (Not Used)
149   *             10 : Timeout
150   *             11 : Error
151   *          b5     Peripheral initialization status
152   *             0  : Reset (Peripheral not initialized)
153   *             1  : Init done (Peripheral initialized. HAL UART Init function already called)
154   *          b4-b3  (not used)
155   *             xx : Should be set to 00
156   *          b2     Intrinsic process state
157   *             0  : Ready
158   *             1  : Busy (Peripheral busy with some configuration or internal operations)
159   *          b1     (not used)
160   *             x  : Should be set to 0
161   *          b0     Tx state
162   *             0  : Ready (no Tx operation ongoing)
163   *             1  : Busy (Tx operation ongoing)
164   *        - RxState contains information related to Rx operations.
165   *          RxState value coding follow below described bitmap :
166   *          b7-b6  (not used)
167   *             xx : Should be set to 00
168   *          b5     Peripheral initialization status
169   *             0  : Reset (Peripheral not initialized)
170   *             1  : Init done (Peripheral initialized)
171   *          b4-b2  (not used)
172   *            xxx : Should be set to 000
173   *          b1     Rx state
174   *             0  : Ready (no Rx operation ongoing)
175   *             1  : Busy (Rx operation ongoing)
176   *          b0     (not used)
177   *             x  : Should be set to 0.
178   */
179 typedef uint32_t HAL_UART_StateTypeDef;
180 
181 /**
182   * @brief UART clock sources definition
183   */
184 typedef enum
185 {
186   UART_CLOCKSOURCE_PCLK1      = 0x00U,    /*!< PCLK1 clock source  */
187   UART_CLOCKSOURCE_PCLK2      = 0x01U,    /*!< PCLK2 clock source  */
188   UART_CLOCKSOURCE_HSI        = 0x02U,    /*!< HSI clock source    */
189   UART_CLOCKSOURCE_SYSCLK     = 0x04U,    /*!< SYSCLK clock source */
190   UART_CLOCKSOURCE_LSE        = 0x08U,    /*!< LSE clock source       */
191   UART_CLOCKSOURCE_UNDEFINED  = 0x10U     /*!< Undefined clock source */
192 } UART_ClockSourceTypeDef;
193 
194 /**
195   * @brief HAL UART Reception type definition
196   * @note  HAL UART Reception type value aims to identify which type of Reception is ongoing.
197   *        This parameter can be a value of @ref UART_Reception_Type_Values :
198   *           HAL_UART_RECEPTION_STANDARD         = 0x00U,
199   *           HAL_UART_RECEPTION_TOIDLE           = 0x01U,
200   *           HAL_UART_RECEPTION_TORTO            = 0x02U,
201   *           HAL_UART_RECEPTION_TOCHARMATCH      = 0x03U,
202   */
203 typedef uint32_t HAL_UART_RxTypeTypeDef;
204 
205 /**
206   * @brief HAL UART Rx Event type definition
207   * @note  HAL UART Rx Event type value aims to identify which type of Event has occurred
208   *        leading to call of the RxEvent callback.
209   *        This parameter can be a value of @ref UART_RxEvent_Type_Values :
210   *           HAL_UART_RXEVENT_TC                 = 0x00U,
211   *           HAL_UART_RXEVENT_HT                 = 0x01U,
212   *           HAL_UART_RXEVENT_IDLE               = 0x02U,
213   */
214 typedef uint32_t HAL_UART_RxEventTypeTypeDef;
215 
216 /**
217   * @brief  UART handle Structure definition
218   */
219 typedef struct __UART_HandleTypeDef
220 {
221   USART_TypeDef            *Instance;                /*!< UART registers base address        */
222 
223   UART_InitTypeDef         Init;                     /*!< UART communication parameters      */
224 
225   UART_AdvFeatureInitTypeDef AdvancedInit;           /*!< UART Advanced Features initialization parameters */
226 
227   const uint8_t            *pTxBuffPtr;              /*!< Pointer to UART Tx transfer Buffer */
228 
229   uint16_t                 TxXferSize;               /*!< UART Tx Transfer size              */
230 
231   __IO uint16_t            TxXferCount;              /*!< UART Tx Transfer Counter           */
232 
233   uint8_t                  *pRxBuffPtr;              /*!< Pointer to UART Rx transfer Buffer */
234 
235   uint16_t                 RxXferSize;               /*!< UART Rx Transfer size              */
236 
237   __IO uint16_t            RxXferCount;              /*!< UART Rx Transfer Counter           */
238 
239   uint16_t                 Mask;                     /*!< UART Rx RDR register mask          */
240 
241   uint32_t                 FifoMode;                 /*!< Specifies if the FIFO mode is being used.
242                                                           This parameter can be a value of @ref UARTEx_FIFO_mode. */
243 
244   uint16_t                 NbRxDataToProcess;        /*!< Number of data to process during RX ISR execution */
245 
246   uint16_t                 NbTxDataToProcess;        /*!< Number of data to process during TX ISR execution */
247 
248   __IO HAL_UART_RxTypeTypeDef ReceptionType;         /*!< Type of ongoing reception          */
249 
250   __IO HAL_UART_RxEventTypeTypeDef RxEventType;      /*!< Type of Rx Event                   */
251 
252   void (*RxISR)(struct __UART_HandleTypeDef *huart); /*!< Function pointer on Rx IRQ handler */
253 
254   void (*TxISR)(struct __UART_HandleTypeDef *huart); /*!< Function pointer on Tx IRQ handler */
255 
256   DMA_HandleTypeDef        *hdmatx;                  /*!< UART Tx DMA Handle parameters      */
257 
258   DMA_HandleTypeDef        *hdmarx;                  /*!< UART Rx DMA Handle parameters      */
259 
260   HAL_LockTypeDef           Lock;                    /*!< Locking object                     */
261 
262   __IO HAL_UART_StateTypeDef    gState;              /*!< UART state information related to global Handle management
263                                                           and also related to Tx operations. This parameter
264                                                           can be a value of @ref HAL_UART_StateTypeDef */
265 
266   __IO HAL_UART_StateTypeDef    RxState;             /*!< UART state information related to Rx operations. This
267                                                           parameter can be a value of @ref HAL_UART_StateTypeDef */
268 
269   __IO uint32_t                 ErrorCode;           /*!< UART Error code                    */
270 
271 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
272   void (* TxHalfCpltCallback)(struct __UART_HandleTypeDef *huart);        /*!< UART Tx Half Complete Callback        */
273   void (* TxCpltCallback)(struct __UART_HandleTypeDef *huart);            /*!< UART Tx Complete Callback             */
274   void (* RxHalfCpltCallback)(struct __UART_HandleTypeDef *huart);        /*!< UART Rx Half Complete Callback        */
275   void (* RxCpltCallback)(struct __UART_HandleTypeDef *huart);            /*!< UART Rx Complete Callback             */
276   void (* ErrorCallback)(struct __UART_HandleTypeDef *huart);             /*!< UART Error Callback                   */
277   void (* AbortCpltCallback)(struct __UART_HandleTypeDef *huart);         /*!< UART Abort Complete Callback          */
278   void (* AbortTransmitCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Abort Transmit Complete Callback */
279   void (* AbortReceiveCpltCallback)(struct __UART_HandleTypeDef *huart);  /*!< UART Abort Receive Complete Callback  */
280   void (* WakeupCallback)(struct __UART_HandleTypeDef *huart);            /*!< UART Wakeup Callback                  */
281   void (* RxFifoFullCallback)(struct __UART_HandleTypeDef *huart);        /*!< UART Rx Fifo Full Callback            */
282   void (* TxFifoEmptyCallback)(struct __UART_HandleTypeDef *huart);       /*!< UART Tx Fifo Empty Callback           */
283   void (* RxEventCallback)(struct __UART_HandleTypeDef *huart, uint16_t Pos); /*!< UART Reception Event Callback     */
284 
285   void (* MspInitCallback)(struct __UART_HandleTypeDef *huart);           /*!< UART Msp Init callback                */
286   void (* MspDeInitCallback)(struct __UART_HandleTypeDef *huart);         /*!< UART Msp DeInit callback              */
287 #endif  /* USE_HAL_UART_REGISTER_CALLBACKS */
288 
289 } UART_HandleTypeDef;
290 
291 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
292 /**
293   * @brief  HAL UART Callback ID enumeration definition
294   */
295 typedef enum
296 {
297   HAL_UART_TX_HALFCOMPLETE_CB_ID         = 0x00U,    /*!< UART Tx Half Complete Callback ID        */
298   HAL_UART_TX_COMPLETE_CB_ID             = 0x01U,    /*!< UART Tx Complete Callback ID             */
299   HAL_UART_RX_HALFCOMPLETE_CB_ID         = 0x02U,    /*!< UART Rx Half Complete Callback ID        */
300   HAL_UART_RX_COMPLETE_CB_ID             = 0x03U,    /*!< UART Rx Complete Callback ID             */
301   HAL_UART_ERROR_CB_ID                   = 0x04U,    /*!< UART Error Callback ID                   */
302   HAL_UART_ABORT_COMPLETE_CB_ID          = 0x05U,    /*!< UART Abort Complete Callback ID          */
303   HAL_UART_ABORT_TRANSMIT_COMPLETE_CB_ID = 0x06U,    /*!< UART Abort Transmit Complete Callback ID */
304   HAL_UART_ABORT_RECEIVE_COMPLETE_CB_ID  = 0x07U,    /*!< UART Abort Receive Complete Callback ID  */
305   HAL_UART_WAKEUP_CB_ID                  = 0x08U,    /*!< UART Wakeup Callback ID                  */
306   HAL_UART_RX_FIFO_FULL_CB_ID            = 0x09U,    /*!< UART Rx Fifo Full Callback ID            */
307   HAL_UART_TX_FIFO_EMPTY_CB_ID           = 0x0AU,    /*!< UART Tx Fifo Empty Callback ID           */
308 
309   HAL_UART_MSPINIT_CB_ID                 = 0x0BU,    /*!< UART MspInit callback ID                 */
310   HAL_UART_MSPDEINIT_CB_ID               = 0x0CU     /*!< UART MspDeInit callback ID               */
311 
312 } HAL_UART_CallbackIDTypeDef;
313 
314 /**
315   * @brief  HAL UART Callback pointer definition
316   */
317 typedef  void (*pUART_CallbackTypeDef)(UART_HandleTypeDef *huart); /*!< pointer to an UART callback function */
318 typedef  void (*pUART_RxEventCallbackTypeDef)
319 (struct __UART_HandleTypeDef *huart, uint16_t Pos); /*!< pointer to a UART Rx Event specific callback function */
320 
321 #endif /* USE_HAL_UART_REGISTER_CALLBACKS */
322 
323 /**
324   * @}
325   */
326 
327 /* Exported constants --------------------------------------------------------*/
328 /** @defgroup UART_Exported_Constants UART Exported Constants
329   * @{
330   */
331 
332 /** @defgroup UART_State_Definition UART State Code Definition
333   * @{
334   */
335 #define  HAL_UART_STATE_RESET         0x00000000U    /*!< Peripheral is not initialized
336                                                           Value is allowed for gState and RxState */
337 #define  HAL_UART_STATE_READY         0x00000020U    /*!< Peripheral Initialized and ready for use
338                                                           Value is allowed for gState and RxState */
339 #define  HAL_UART_STATE_BUSY          0x00000024U    /*!< an internal process is ongoing
340                                                           Value is allowed for gState only */
341 #define  HAL_UART_STATE_BUSY_TX       0x00000021U    /*!< Data Transmission process is ongoing
342                                                           Value is allowed for gState only */
343 #define  HAL_UART_STATE_BUSY_RX       0x00000022U    /*!< Data Reception process is ongoing
344                                                           Value is allowed for RxState only */
345 #define  HAL_UART_STATE_BUSY_TX_RX    0x00000023U    /*!< Data Transmission and Reception process is ongoing
346                                                           Not to be used for neither gState nor RxState.Value is result
347                                                           of combination (Or) between gState and RxState values */
348 #define  HAL_UART_STATE_TIMEOUT       0x000000A0U    /*!< Timeout state
349                                                           Value is allowed for gState only */
350 #define  HAL_UART_STATE_ERROR         0x000000E0U    /*!< Error
351                                                           Value is allowed for gState only */
352 /**
353   * @}
354   */
355 
356 /** @defgroup UART_Error_Definition   UART Error Definition
357   * @{
358   */
359 #define  HAL_UART_ERROR_NONE             (0x00000000U)    /*!< No error                */
360 #define  HAL_UART_ERROR_PE               (0x00000001U)    /*!< Parity error            */
361 #define  HAL_UART_ERROR_NE               (0x00000002U)    /*!< Noise error             */
362 #define  HAL_UART_ERROR_FE               (0x00000004U)    /*!< Frame error             */
363 #define  HAL_UART_ERROR_ORE              (0x00000008U)    /*!< Overrun error           */
364 #define  HAL_UART_ERROR_DMA              (0x00000010U)    /*!< DMA transfer error      */
365 #define  HAL_UART_ERROR_RTO              (0x00000020U)    /*!< Receiver Timeout error  */
366 
367 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
368 #define  HAL_UART_ERROR_INVALID_CALLBACK (0x00000040U)    /*!< Invalid Callback error  */
369 #endif /* USE_HAL_UART_REGISTER_CALLBACKS */
370 /**
371   * @}
372   */
373 
374 /** @defgroup UART_Stop_Bits   UART Number of Stop Bits
375   * @{
376   */
377 #define UART_STOPBITS_0_5                    USART_CR2_STOP_0                     /*!< UART frame with 0.5 stop bit  */
378 #define UART_STOPBITS_1                     0x00000000U                           /*!< UART frame with 1 stop bit    */
379 #define UART_STOPBITS_1_5                   (USART_CR2_STOP_0 | USART_CR2_STOP_1) /*!< UART frame with 1.5 stop bits */
380 #define UART_STOPBITS_2                      USART_CR2_STOP_1                     /*!< UART frame with 2 stop bits   */
381 /**
382   * @}
383   */
384 
385 /** @defgroup UART_Parity  UART Parity
386   * @{
387   */
388 #define UART_PARITY_NONE                    0x00000000U                        /*!< No parity   */
389 #define UART_PARITY_EVEN                    USART_CR1_PCE                      /*!< Even parity */
390 #define UART_PARITY_ODD                     (USART_CR1_PCE | USART_CR1_PS)     /*!< Odd parity  */
391 /**
392   * @}
393   */
394 
395 /** @defgroup UART_Hardware_Flow_Control UART Hardware Flow Control
396   * @{
397   */
398 #define UART_HWCONTROL_NONE                  0x00000000U                          /*!< No hardware control       */
399 #define UART_HWCONTROL_RTS                   USART_CR3_RTSE                       /*!< Request To Send           */
400 #define UART_HWCONTROL_CTS                   USART_CR3_CTSE                       /*!< Clear To Send             */
401 #define UART_HWCONTROL_RTS_CTS               (USART_CR3_RTSE | USART_CR3_CTSE)    /*!< Request and Clear To Send */
402 /**
403   * @}
404   */
405 
406 /** @defgroup UART_Mode UART Transfer Mode
407   * @{
408   */
409 #define UART_MODE_RX                        USART_CR1_RE                    /*!< RX mode        */
410 #define UART_MODE_TX                        USART_CR1_TE                    /*!< TX mode        */
411 #define UART_MODE_TX_RX                     (USART_CR1_TE |USART_CR1_RE)    /*!< RX and TX mode */
412 /**
413   * @}
414   */
415 
416 /** @defgroup UART_State  UART State
417   * @{
418   */
419 #define UART_STATE_DISABLE                  0x00000000U         /*!< UART disabled  */
420 #define UART_STATE_ENABLE                   USART_CR1_UE        /*!< UART enabled   */
421 /**
422   * @}
423   */
424 
425 /** @defgroup UART_Over_Sampling UART Over Sampling
426   * @{
427   */
428 #define UART_OVERSAMPLING_16                0x00000000U         /*!< Oversampling by 16 */
429 #define UART_OVERSAMPLING_8                 USART_CR1_OVER8     /*!< Oversampling by 8  */
430 /**
431   * @}
432   */
433 
434 /** @defgroup UART_OneBit_Sampling UART One Bit Sampling Method
435   * @{
436   */
437 #define UART_ONE_BIT_SAMPLE_DISABLE         0x00000000U         /*!< One-bit sampling disable */
438 #define UART_ONE_BIT_SAMPLE_ENABLE          USART_CR3_ONEBIT    /*!< One-bit sampling enable  */
439 /**
440   * @}
441   */
442 
443 /** @defgroup UART_ClockPrescaler  UART Clock Prescaler
444   * @{
445   */
446 #define UART_PRESCALER_DIV1    0x00000000U  /*!< fclk_pres = fclk     */
447 #define UART_PRESCALER_DIV2    0x00000001U  /*!< fclk_pres = fclk/2   */
448 #define UART_PRESCALER_DIV4    0x00000002U  /*!< fclk_pres = fclk/4   */
449 #define UART_PRESCALER_DIV6    0x00000003U  /*!< fclk_pres = fclk/6   */
450 #define UART_PRESCALER_DIV8    0x00000004U  /*!< fclk_pres = fclk/8   */
451 #define UART_PRESCALER_DIV10   0x00000005U  /*!< fclk_pres = fclk/10  */
452 #define UART_PRESCALER_DIV12   0x00000006U  /*!< fclk_pres = fclk/12  */
453 #define UART_PRESCALER_DIV16   0x00000007U  /*!< fclk_pres = fclk/16  */
454 #define UART_PRESCALER_DIV32   0x00000008U  /*!< fclk_pres = fclk/32  */
455 #define UART_PRESCALER_DIV64   0x00000009U  /*!< fclk_pres = fclk/64  */
456 #define UART_PRESCALER_DIV128  0x0000000AU  /*!< fclk_pres = fclk/128 */
457 #define UART_PRESCALER_DIV256  0x0000000BU  /*!< fclk_pres = fclk/256 */
458 /**
459   * @}
460   */
461 
462 /** @defgroup UART_AutoBaud_Rate_Mode    UART Advanced Feature AutoBaud Rate Mode
463   * @{
464   */
465 #define UART_ADVFEATURE_AUTOBAUDRATE_ONSTARTBIT    0x00000000U           /*!< Auto Baud rate detection
466                                                                               on start bit              */
467 #define UART_ADVFEATURE_AUTOBAUDRATE_ONFALLINGEDGE USART_CR2_ABRMODE_0   /*!< Auto Baud rate detection
468                                                                               on falling edge           */
469 #define UART_ADVFEATURE_AUTOBAUDRATE_ON0X7FFRAME   USART_CR2_ABRMODE_1   /*!< Auto Baud rate detection
470                                                                               on 0x7F frame detection   */
471 #define UART_ADVFEATURE_AUTOBAUDRATE_ON0X55FRAME   USART_CR2_ABRMODE     /*!< Auto Baud rate detection
472                                                                               on 0x55 frame detection   */
473 /**
474   * @}
475   */
476 
477 /** @defgroup UART_Receiver_Timeout UART Receiver Timeout
478   * @{
479   */
480 #define UART_RECEIVER_TIMEOUT_DISABLE       0x00000000U                /*!< UART Receiver Timeout disable */
481 #define UART_RECEIVER_TIMEOUT_ENABLE        USART_CR2_RTOEN            /*!< UART Receiver Timeout enable  */
482 /**
483   * @}
484   */
485 
486 /** @defgroup UART_LIN    UART Local Interconnection Network mode
487   * @{
488   */
489 #define UART_LIN_DISABLE                    0x00000000U                /*!< Local Interconnect Network disable */
490 #define UART_LIN_ENABLE                     USART_CR2_LINEN            /*!< Local Interconnect Network enable  */
491 /**
492   * @}
493   */
494 
495 /** @defgroup UART_LIN_Break_Detection  UART LIN Break Detection
496   * @{
497   */
498 #define UART_LINBREAKDETECTLENGTH_10B       0x00000000U                /*!< LIN 10-bit break detection length */
499 #define UART_LINBREAKDETECTLENGTH_11B       USART_CR2_LBDL             /*!< LIN 11-bit break detection length  */
500 /**
501   * @}
502   */
503 
504 /** @defgroup UART_DMA_Tx    UART DMA Tx
505   * @{
506   */
507 #define UART_DMA_TX_DISABLE                 0x00000000U                /*!< UART DMA TX disabled */
508 #define UART_DMA_TX_ENABLE                  USART_CR3_DMAT             /*!< UART DMA TX enabled  */
509 /**
510   * @}
511   */
512 
513 /** @defgroup UART_DMA_Rx   UART DMA Rx
514   * @{
515   */
516 #define UART_DMA_RX_DISABLE                 0x00000000U                 /*!< UART DMA RX disabled */
517 #define UART_DMA_RX_ENABLE                  USART_CR3_DMAR              /*!< UART DMA RX enabled  */
518 /**
519   * @}
520   */
521 
522 /** @defgroup UART_Half_Duplex_Selection  UART Half Duplex Selection
523   * @{
524   */
525 #define UART_HALF_DUPLEX_DISABLE            0x00000000U                 /*!< UART half-duplex disabled */
526 #define UART_HALF_DUPLEX_ENABLE             USART_CR3_HDSEL             /*!< UART half-duplex enabled  */
527 /**
528   * @}
529   */
530 
531 /** @defgroup UART_WakeUp_Methods   UART WakeUp Methods
532   * @{
533   */
534 #define UART_WAKEUPMETHOD_IDLELINE          0x00000000U                 /*!< UART wake-up on idle line    */
535 #define UART_WAKEUPMETHOD_ADDRESSMARK       USART_CR1_WAKE              /*!< UART wake-up on address mark */
536 /**
537   * @}
538   */
539 
540 /** @defgroup UART_Request_Parameters UART Request Parameters
541   * @{
542   */
543 #define UART_AUTOBAUD_REQUEST               USART_RQR_ABRRQ        /*!< Auto-Baud Rate Request      */
544 #define UART_SENDBREAK_REQUEST              USART_RQR_SBKRQ        /*!< Send Break Request          */
545 #define UART_MUTE_MODE_REQUEST              USART_RQR_MMRQ         /*!< Mute Mode Request           */
546 #define UART_RXDATA_FLUSH_REQUEST           USART_RQR_RXFRQ        /*!< Receive Data flush Request  */
547 #define UART_TXDATA_FLUSH_REQUEST           USART_RQR_TXFRQ        /*!< Transmit data flush Request */
548 /**
549   * @}
550   */
551 
552 /** @defgroup UART_Advanced_Features_Initialization_Type  UART Advanced Feature Initialization Type
553   * @{
554   */
555 #define UART_ADVFEATURE_NO_INIT                 0x00000000U          /*!< No advanced feature initialization       */
556 #define UART_ADVFEATURE_TXINVERT_INIT           0x00000001U          /*!< TX pin active level inversion            */
557 #define UART_ADVFEATURE_RXINVERT_INIT           0x00000002U          /*!< RX pin active level inversion            */
558 #define UART_ADVFEATURE_DATAINVERT_INIT         0x00000004U          /*!< Binary data inversion                    */
559 #define UART_ADVFEATURE_SWAP_INIT               0x00000008U          /*!< TX/RX pins swap                          */
560 #define UART_ADVFEATURE_RXOVERRUNDISABLE_INIT   0x00000010U          /*!< RX overrun disable                       */
561 #define UART_ADVFEATURE_DMADISABLEONERROR_INIT  0x00000020U          /*!< DMA disable on Reception Error           */
562 #define UART_ADVFEATURE_AUTOBAUDRATE_INIT       0x00000040U          /*!< Auto Baud rate detection initialization  */
563 #define UART_ADVFEATURE_MSBFIRST_INIT           0x00000080U          /*!< Most significant bit sent/received first */
564 /**
565   * @}
566   */
567 
568 /** @defgroup UART_Tx_Inv UART Advanced Feature TX Pin Active Level Inversion
569   * @{
570   */
571 #define UART_ADVFEATURE_TXINV_DISABLE       0x00000000U             /*!< TX pin active level inversion disable */
572 #define UART_ADVFEATURE_TXINV_ENABLE        USART_CR2_TXINV         /*!< TX pin active level inversion enable  */
573 /**
574   * @}
575   */
576 
577 /** @defgroup UART_Rx_Inv UART Advanced Feature RX Pin Active Level Inversion
578   * @{
579   */
580 #define UART_ADVFEATURE_RXINV_DISABLE       0x00000000U             /*!< RX pin active level inversion disable */
581 #define UART_ADVFEATURE_RXINV_ENABLE        USART_CR2_RXINV         /*!< RX pin active level inversion enable  */
582 /**
583   * @}
584   */
585 
586 /** @defgroup UART_Data_Inv  UART Advanced Feature Binary Data Inversion
587   * @{
588   */
589 #define UART_ADVFEATURE_DATAINV_DISABLE     0x00000000U             /*!< Binary data inversion disable */
590 #define UART_ADVFEATURE_DATAINV_ENABLE      USART_CR2_DATAINV       /*!< Binary data inversion enable  */
591 /**
592   * @}
593   */
594 
595 /** @defgroup UART_Rx_Tx_Swap UART Advanced Feature RX TX Pins Swap
596   * @{
597   */
598 #define UART_ADVFEATURE_SWAP_DISABLE        0x00000000U             /*!< TX/RX pins swap disable */
599 #define UART_ADVFEATURE_SWAP_ENABLE         USART_CR2_SWAP          /*!< TX/RX pins swap enable  */
600 /**
601   * @}
602   */
603 
604 /** @defgroup UART_Overrun_Disable  UART Advanced Feature Overrun Disable
605   * @{
606   */
607 #define UART_ADVFEATURE_OVERRUN_ENABLE      0x00000000U             /*!< RX overrun enable  */
608 #define UART_ADVFEATURE_OVERRUN_DISABLE     USART_CR3_OVRDIS        /*!< RX overrun disable */
609 /**
610   * @}
611   */
612 
613 /** @defgroup UART_AutoBaudRate_Enable  UART Advanced Feature Auto BaudRate Enable
614   * @{
615   */
616 #define UART_ADVFEATURE_AUTOBAUDRATE_DISABLE   0x00000000U          /*!< RX Auto Baud rate detection enable  */
617 #define UART_ADVFEATURE_AUTOBAUDRATE_ENABLE    USART_CR2_ABREN      /*!< RX Auto Baud rate detection disable */
618 /**
619   * @}
620   */
621 
622 /** @defgroup UART_DMA_Disable_on_Rx_Error   UART Advanced Feature DMA Disable On Rx Error
623   * @{
624   */
625 #define UART_ADVFEATURE_DMA_ENABLEONRXERROR    0x00000000U          /*!< DMA enable on Reception Error  */
626 #define UART_ADVFEATURE_DMA_DISABLEONRXERROR   USART_CR3_DDRE       /*!< DMA disable on Reception Error */
627 /**
628   * @}
629   */
630 
631 /** @defgroup UART_MSB_First   UART Advanced Feature MSB First
632   * @{
633   */
634 #define UART_ADVFEATURE_MSBFIRST_DISABLE    0x00000000U             /*!< Most significant bit sent/received
635                                                                          first disable                      */
636 #define UART_ADVFEATURE_MSBFIRST_ENABLE     USART_CR2_MSBFIRST      /*!< Most significant bit sent/received
637                                                                          first enable                       */
638 /**
639   * @}
640   */
641 
642 /** @defgroup UART_Stop_Mode_Enable   UART Advanced Feature Stop Mode Enable
643   * @{
644   */
645 #define UART_ADVFEATURE_STOPMODE_DISABLE    0x00000000U             /*!< UART stop mode disable */
646 #define UART_ADVFEATURE_STOPMODE_ENABLE     USART_CR1_UESM          /*!< UART stop mode enable  */
647 /**
648   * @}
649   */
650 
651 /** @defgroup UART_Mute_Mode   UART Advanced Feature Mute Mode Enable
652   * @{
653   */
654 #define UART_ADVFEATURE_MUTEMODE_DISABLE    0x00000000U             /*!< UART mute mode disable */
655 #define UART_ADVFEATURE_MUTEMODE_ENABLE     USART_CR1_MME           /*!< UART mute mode enable  */
656 /**
657   * @}
658   */
659 
660 /** @defgroup UART_CR2_ADDRESS_LSB_POS    UART Address-matching LSB Position In CR2 Register
661   * @{
662   */
663 #define UART_CR2_ADDRESS_LSB_POS             24U             /*!< UART address-matching LSB position in CR2 register */
664 /**
665   * @}
666   */
667 
668 /** @defgroup UART_WakeUp_from_Stop_Selection   UART WakeUp From Stop Selection
669   * @{
670   */
671 #define UART_WAKEUP_ON_ADDRESS              0x00000000U             /*!< UART wake-up on address                     */
672 #define UART_WAKEUP_ON_STARTBIT             USART_CR3_WUS_1         /*!< UART wake-up on start bit                   */
673 #define UART_WAKEUP_ON_READDATA_NONEMPTY    USART_CR3_WUS           /*!< UART wake-up on receive data register
674                                                                          not empty or RXFIFO is not empty            */
675 /**
676   * @}
677   */
678 
679 /** @defgroup UART_DriverEnable_Polarity      UART DriverEnable Polarity
680   * @{
681   */
682 #define UART_DE_POLARITY_HIGH               0x00000000U             /*!< Driver enable signal is active high */
683 #define UART_DE_POLARITY_LOW                USART_CR3_DEP           /*!< Driver enable signal is active low  */
684 /**
685   * @}
686   */
687 
688 /** @defgroup UART_CR1_DEAT_ADDRESS_LSB_POS    UART Driver Enable Assertion Time LSB Position In CR1 Register
689   * @{
690   */
691 #define UART_CR1_DEAT_ADDRESS_LSB_POS       21U      /*!< UART Driver Enable assertion time LSB
692                                                           position in CR1 register */
693 /**
694   * @}
695   */
696 
697 /** @defgroup UART_CR1_DEDT_ADDRESS_LSB_POS    UART Driver Enable DeAssertion Time LSB Position In CR1 Register
698   * @{
699   */
700 #define UART_CR1_DEDT_ADDRESS_LSB_POS       16U      /*!< UART Driver Enable de-assertion time LSB
701                                                           position in CR1 register */
702 /**
703   * @}
704   */
705 
706 /** @defgroup UART_Interruption_Mask    UART Interruptions Flag Mask
707   * @{
708   */
709 #define UART_IT_MASK                        0x001FU  /*!< UART interruptions flags mask */
710 /**
711   * @}
712   */
713 
714 /** @defgroup UART_TimeOut_Value    UART polling-based communications time-out value
715   * @{
716   */
717 #define HAL_UART_TIMEOUT_VALUE              0x1FFFFFFU  /*!< UART polling-based communications time-out value */
718 /**
719   * @}
720   */
721 
722 /** @defgroup UART_Flags     UART Status Flags
723   *        Elements values convention: 0xXXXX
724   *           - 0xXXXX  : Flag mask in the ISR register
725   * @{
726   */
727 #define UART_FLAG_TXFT                      USART_ISR_TXFT          /*!< UART TXFIFO threshold flag                */
728 #define UART_FLAG_RXFT                      USART_ISR_RXFT          /*!< UART RXFIFO threshold flag                */
729 #define UART_FLAG_RXFF                      USART_ISR_RXFF          /*!< UART RXFIFO Full flag                     */
730 #define UART_FLAG_TXFE                      USART_ISR_TXFE          /*!< UART TXFIFO Empty flag                    */
731 #define UART_FLAG_REACK                     USART_ISR_REACK         /*!< UART receive enable acknowledge flag      */
732 #define UART_FLAG_TEACK                     USART_ISR_TEACK         /*!< UART transmit enable acknowledge flag     */
733 #define UART_FLAG_WUF                       USART_ISR_WUF           /*!< UART wake-up from stop mode flag          */
734 #define UART_FLAG_RWU                       USART_ISR_RWU           /*!< UART receiver wake-up from mute mode flag */
735 #define UART_FLAG_SBKF                      USART_ISR_SBKF          /*!< UART send break flag                      */
736 #define UART_FLAG_CMF                       USART_ISR_CMF           /*!< UART character match flag                 */
737 #define UART_FLAG_BUSY                      USART_ISR_BUSY          /*!< UART busy flag                            */
738 #define UART_FLAG_ABRF                      USART_ISR_ABRF          /*!< UART auto Baud rate flag                  */
739 #define UART_FLAG_ABRE                      USART_ISR_ABRE          /*!< UART auto Baud rate error                 */
740 #define UART_FLAG_RTOF                      USART_ISR_RTOF          /*!< UART receiver timeout flag                */
741 #define UART_FLAG_CTS                       USART_ISR_CTS           /*!< UART clear to send flag                   */
742 #define UART_FLAG_CTSIF                     USART_ISR_CTSIF         /*!< UART clear to send interrupt flag         */
743 #define UART_FLAG_LBDF                      USART_ISR_LBDF          /*!< UART LIN break detection flag             */
744 #define UART_FLAG_TXE                       USART_ISR_TXE_TXFNF     /*!< UART transmit data register empty         */
745 #define UART_FLAG_TXFNF                     USART_ISR_TXE_TXFNF     /*!< UART TXFIFO not full                      */
746 #define UART_FLAG_TC                        USART_ISR_TC            /*!< UART transmission complete                */
747 #define UART_FLAG_RXNE                      USART_ISR_RXNE_RXFNE    /*!< UART read data register not empty         */
748 #define UART_FLAG_RXFNE                     USART_ISR_RXNE_RXFNE    /*!< UART RXFIFO not empty                     */
749 #define UART_FLAG_IDLE                      USART_ISR_IDLE          /*!< UART idle flag                            */
750 #define UART_FLAG_ORE                       USART_ISR_ORE           /*!< UART overrun error                        */
751 #define UART_FLAG_NE                        USART_ISR_NE            /*!< UART noise error                          */
752 #define UART_FLAG_FE                        USART_ISR_FE            /*!< UART frame error                          */
753 #define UART_FLAG_PE                        USART_ISR_PE            /*!< UART parity error                         */
754 /**
755   * @}
756   */
757 
758 /** @defgroup UART_Interrupt_definition   UART Interrupts Definition
759   *        Elements values convention: 000ZZZZZ0XXYYYYYb
760   *           - YYYYY  : Interrupt source position in the XX register (5bits)
761   *           - XX  : Interrupt source register (2bits)
762   *                 - 01: CR1 register
763   *                 - 10: CR2 register
764   *                 - 11: CR3 register
765   *           - ZZZZZ  : Flag position in the ISR register(5bits)
766   *        Elements values convention: 000000000XXYYYYYb
767   *           - YYYYY  : Interrupt source position in the XX register (5bits)
768   *           - XX  : Interrupt source register (2bits)
769   *                 - 01: CR1 register
770   *                 - 10: CR2 register
771   *                 - 11: CR3 register
772   *        Elements values convention: 0000ZZZZ00000000b
773   *           - ZZZZ  : Flag position in the ISR register(4bits)
774   * @{
775   */
776 #define UART_IT_PE                          0x0028U              /*!< UART parity error interruption                 */
777 #define UART_IT_TXE                         0x0727U              /*!< UART transmit data register empty interruption */
778 #define UART_IT_TXFNF                       0x0727U              /*!< UART TX FIFO not full interruption             */
779 #define UART_IT_TC                          0x0626U              /*!< UART transmission complete interruption        */
780 #define UART_IT_RXNE                        0x0525U              /*!< UART read data register not empty interruption */
781 #define UART_IT_RXFNE                       0x0525U              /*!< UART RXFIFO not empty interruption             */
782 #define UART_IT_IDLE                        0x0424U              /*!< UART idle interruption                         */
783 #define UART_IT_LBD                         0x0846U              /*!< UART LIN break detection interruption          */
784 #define UART_IT_CTS                         0x096AU              /*!< UART CTS interruption                          */
785 #define UART_IT_CM                          0x112EU              /*!< UART character match interruption              */
786 #define UART_IT_WUF                         0x1476U              /*!< UART wake-up from stop mode interruption       */
787 #define UART_IT_RXFF                        0x183FU              /*!< UART RXFIFO full interruption                  */
788 #define UART_IT_TXFE                        0x173EU              /*!< UART TXFIFO empty interruption                 */
789 #define UART_IT_RXFT                        0x1A7CU              /*!< UART RXFIFO threshold reached interruption     */
790 #define UART_IT_TXFT                        0x1B77U              /*!< UART TXFIFO threshold reached interruption     */
791 #define UART_IT_RTO                         0x0B3AU              /*!< UART receiver timeout interruption             */
792 
793 #define UART_IT_ERR                         0x0060U              /*!< UART error interruption                        */
794 
795 #define UART_IT_ORE                         0x0300U              /*!< UART overrun error interruption                */
796 #define UART_IT_NE                          0x0200U              /*!< UART noise error interruption                  */
797 #define UART_IT_FE                          0x0100U              /*!< UART frame error interruption                  */
798 /**
799   * @}
800   */
801 
802 /** @defgroup UART_IT_CLEAR_Flags  UART Interruption Clear Flags
803   * @{
804   */
805 #define UART_CLEAR_PEF                       USART_ICR_PECF            /*!< Parity Error Clear Flag           */
806 #define UART_CLEAR_FEF                       USART_ICR_FECF            /*!< Framing Error Clear Flag          */
807 #define UART_CLEAR_NEF                       USART_ICR_NECF            /*!< Noise Error detected Clear Flag   */
808 #define UART_CLEAR_OREF                      USART_ICR_ORECF           /*!< Overrun Error Clear Flag          */
809 #define UART_CLEAR_IDLEF                     USART_ICR_IDLECF          /*!< IDLE line detected Clear Flag     */
810 #define UART_CLEAR_TXFECF                    USART_ICR_TXFECF          /*!< TXFIFO empty clear flag           */
811 #define UART_CLEAR_TCF                       USART_ICR_TCCF            /*!< Transmission Complete Clear Flag  */
812 #define UART_CLEAR_LBDF                      USART_ICR_LBDCF           /*!< LIN Break Detection Clear Flag    */
813 #define UART_CLEAR_CTSF                      USART_ICR_CTSCF           /*!< CTS Interrupt Clear Flag          */
814 #define UART_CLEAR_CMF                       USART_ICR_CMCF            /*!< Character Match Clear Flag        */
815 #define UART_CLEAR_WUF                       USART_ICR_WUCF            /*!< Wake Up from stop mode Clear Flag */
816 #define UART_CLEAR_RTOF                      USART_ICR_RTOCF           /*!< UART receiver timeout clear flag  */
817 /**
818   * @}
819   */
820 
821 /** @defgroup UART_Reception_Type_Values  UART Reception type values
822   * @{
823   */
824 #define HAL_UART_RECEPTION_STANDARD          (0x00000000U)             /*!< Standard reception                       */
825 #define HAL_UART_RECEPTION_TOIDLE            (0x00000001U)             /*!< Reception till completion or IDLE event  */
826 #define HAL_UART_RECEPTION_TORTO             (0x00000002U)             /*!< Reception till completion or RTO event   */
827 #define HAL_UART_RECEPTION_TOCHARMATCH       (0x00000003U)             /*!< Reception till completion or CM event    */
828 /**
829   * @}
830   */
831 
832 /** @defgroup UART_RxEvent_Type_Values  UART RxEvent type values
833   * @{
834   */
835 #define HAL_UART_RXEVENT_TC                  (0x00000000U)             /*!< RxEvent linked to Transfer Complete event */
836 #define HAL_UART_RXEVENT_HT                  (0x00000001U)             /*!< RxEvent linked to Half Transfer event     */
837 #define HAL_UART_RXEVENT_IDLE                (0x00000002U)             /*!< RxEvent linked to IDLE event              */
838 /**
839   * @}
840   */
841 
842 /**
843   * @}
844   */
845 
846 /* Exported macros -----------------------------------------------------------*/
847 /** @defgroup UART_Exported_Macros UART Exported Macros
848   * @{
849   */
850 
851 /** @brief  Reset UART handle states.
852   * @param  __HANDLE__ UART handle.
853   * @retval None
854   */
855 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
856 #define __HAL_UART_RESET_HANDLE_STATE(__HANDLE__)  do{                                                   \
857                                                        (__HANDLE__)->gState = HAL_UART_STATE_RESET;      \
858                                                        (__HANDLE__)->RxState = HAL_UART_STATE_RESET;     \
859                                                        (__HANDLE__)->MspInitCallback = NULL;             \
860                                                        (__HANDLE__)->MspDeInitCallback = NULL;           \
861                                                      } while(0U)
862 #else
863 #define __HAL_UART_RESET_HANDLE_STATE(__HANDLE__)  do{                                                   \
864                                                        (__HANDLE__)->gState = HAL_UART_STATE_RESET;      \
865                                                        (__HANDLE__)->RxState = HAL_UART_STATE_RESET;     \
866                                                      } while(0U)
867 #endif /*USE_HAL_UART_REGISTER_CALLBACKS */
868 
869 /** @brief  Flush the UART Data registers.
870   * @param  __HANDLE__ specifies the UART Handle.
871   * @retval None
872   */
873 #define __HAL_UART_FLUSH_DRREGISTER(__HANDLE__)  \
874   do{                \
875     SET_BIT((__HANDLE__)->Instance->RQR, UART_RXDATA_FLUSH_REQUEST); \
876     SET_BIT((__HANDLE__)->Instance->RQR, UART_TXDATA_FLUSH_REQUEST); \
877   }  while(0U)
878 
879 /** @brief  Clear the specified UART pending flag.
880   * @param  __HANDLE__ specifies the UART Handle.
881   * @param  __FLAG__ specifies the flag to check.
882   *          This parameter can be any combination of the following values:
883   *            @arg @ref UART_CLEAR_PEF      Parity Error Clear Flag
884   *            @arg @ref UART_CLEAR_FEF      Framing Error Clear Flag
885   *            @arg @ref UART_CLEAR_NEF      Noise detected Clear Flag
886   *            @arg @ref UART_CLEAR_OREF     Overrun Error Clear Flag
887   *            @arg @ref UART_CLEAR_IDLEF    IDLE line detected Clear Flag
888   *            @arg @ref UART_CLEAR_TXFECF   TXFIFO empty clear Flag
889   *            @arg @ref UART_CLEAR_TCF      Transmission Complete Clear Flag
890   *            @arg @ref UART_CLEAR_RTOF     Receiver Timeout clear flag
891   *            @arg @ref UART_CLEAR_LBDF     LIN Break Detection Clear Flag
892   *            @arg @ref UART_CLEAR_CTSF     CTS Interrupt Clear Flag
893   *            @arg @ref UART_CLEAR_CMF      Character Match Clear Flag
894   *            @arg @ref UART_CLEAR_WUF      Wake Up from stop mode Clear Flag
895   * @retval None
896   */
897 #define __HAL_UART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->ICR = (__FLAG__))
898 
899 /** @brief  Clear the UART PE pending flag.
900   * @param  __HANDLE__ specifies the UART Handle.
901   * @retval None
902   */
903 #define __HAL_UART_CLEAR_PEFLAG(__HANDLE__)   __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_PEF)
904 
905 /** @brief  Clear the UART FE pending flag.
906   * @param  __HANDLE__ specifies the UART Handle.
907   * @retval None
908   */
909 #define __HAL_UART_CLEAR_FEFLAG(__HANDLE__)   __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_FEF)
910 
911 /** @brief  Clear the UART NE pending flag.
912   * @param  __HANDLE__ specifies the UART Handle.
913   * @retval None
914   */
915 #define __HAL_UART_CLEAR_NEFLAG(__HANDLE__)  __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_NEF)
916 
917 /** @brief  Clear the UART ORE pending flag.
918   * @param  __HANDLE__ specifies the UART Handle.
919   * @retval None
920   */
921 #define __HAL_UART_CLEAR_OREFLAG(__HANDLE__)   __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_OREF)
922 
923 /** @brief  Clear the UART IDLE pending flag.
924   * @param  __HANDLE__ specifies the UART Handle.
925   * @retval None
926   */
927 #define __HAL_UART_CLEAR_IDLEFLAG(__HANDLE__)   __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_IDLEF)
928 
929 /** @brief  Clear the UART TX FIFO empty clear flag.
930   * @param  __HANDLE__ specifies the UART Handle.
931   * @retval None
932   */
933 #define __HAL_UART_CLEAR_TXFECF(__HANDLE__)   __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_TXFECF)
934 
935 /** @brief  Check whether the specified UART flag is set or not.
936   * @param  __HANDLE__ specifies the UART Handle.
937   * @param  __FLAG__ specifies the flag to check.
938   *        This parameter can be one of the following values:
939   *            @arg @ref UART_FLAG_TXFT  TXFIFO threshold flag
940   *            @arg @ref UART_FLAG_RXFT  RXFIFO threshold flag
941   *            @arg @ref UART_FLAG_RXFF  RXFIFO Full flag
942   *            @arg @ref UART_FLAG_TXFE  TXFIFO Empty flag
943   *            @arg @ref UART_FLAG_REACK Receive enable acknowledge flag
944   *            @arg @ref UART_FLAG_TEACK Transmit enable acknowledge flag
945   *            @arg @ref UART_FLAG_WUF   Wake up from stop mode flag
946   *            @arg @ref UART_FLAG_RWU   Receiver wake up flag (if the UART in mute mode)
947   *            @arg @ref UART_FLAG_SBKF  Send Break flag
948   *            @arg @ref UART_FLAG_CMF   Character match flag
949   *            @arg @ref UART_FLAG_BUSY  Busy flag
950   *            @arg @ref UART_FLAG_ABRF  Auto Baud rate detection flag
951   *            @arg @ref UART_FLAG_ABRE  Auto Baud rate detection error flag
952   *            @arg @ref UART_FLAG_CTS   CTS Change flag
953   *            @arg @ref UART_FLAG_LBDF  LIN Break detection flag
954   *            @arg @ref UART_FLAG_TXE   Transmit data register empty flag
955   *            @arg @ref UART_FLAG_TXFNF UART TXFIFO not full flag
956   *            @arg @ref UART_FLAG_TC    Transmission Complete flag
957   *            @arg @ref UART_FLAG_RXNE  Receive data register not empty flag
958   *            @arg @ref UART_FLAG_RXFNE UART RXFIFO not empty flag
959   *            @arg @ref UART_FLAG_RTOF  Receiver Timeout flag
960   *            @arg @ref UART_FLAG_IDLE  Idle Line detection flag
961   *            @arg @ref UART_FLAG_ORE   Overrun Error flag
962   *            @arg @ref UART_FLAG_NE    Noise Error flag
963   *            @arg @ref UART_FLAG_FE    Framing Error flag
964   *            @arg @ref UART_FLAG_PE    Parity Error flag
965   * @retval The new state of __FLAG__ (TRUE or FALSE).
966   */
967 #define __HAL_UART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->ISR & (__FLAG__)) == (__FLAG__))
968 
969 /** @brief  Enable the specified UART interrupt.
970   * @param  __HANDLE__ specifies the UART Handle.
971   * @param  __INTERRUPT__ specifies the UART interrupt source to enable.
972   *          This parameter can be one of the following values:
973   *            @arg @ref UART_IT_RXFF  RXFIFO Full interrupt
974   *            @arg @ref UART_IT_TXFE  TXFIFO Empty interrupt
975   *            @arg @ref UART_IT_RXFT  RXFIFO threshold interrupt
976   *            @arg @ref UART_IT_TXFT  TXFIFO threshold interrupt
977   *            @arg @ref UART_IT_WUF   Wakeup from stop mode interrupt
978   *            @arg @ref UART_IT_CM    Character match interrupt
979   *            @arg @ref UART_IT_CTS   CTS change interrupt
980   *            @arg @ref UART_IT_LBD   LIN Break detection interrupt
981   *            @arg @ref UART_IT_TXE   Transmit Data Register empty interrupt
982   *            @arg @ref UART_IT_TXFNF TX FIFO not full interrupt
983   *            @arg @ref UART_IT_TC    Transmission complete interrupt
984   *            @arg @ref UART_IT_RXNE  Receive Data register not empty interrupt
985   *            @arg @ref UART_IT_RXFNE RXFIFO not empty interrupt
986   *            @arg @ref UART_IT_RTO   Receive Timeout interrupt
987   *            @arg @ref UART_IT_IDLE  Idle line detection interrupt
988   *            @arg @ref UART_IT_PE    Parity Error interrupt
989   *            @arg @ref UART_IT_ERR   Error interrupt (frame error, noise error, overrun error)
990   * @retval None
991   */
992 #define __HAL_UART_ENABLE_IT(__HANDLE__, __INTERRUPT__)   (\
993                                                            ((((uint8_t)(__INTERRUPT__)) >> 5U) == 1U)?\
994                                                            ((__HANDLE__)->Instance->CR1 |= (1U <<\
995                                                                ((__INTERRUPT__) & UART_IT_MASK))): \
996                                                            ((((uint8_t)(__INTERRUPT__)) >> 5U) == 2U)?\
997                                                            ((__HANDLE__)->Instance->CR2 |= (1U <<\
998                                                                ((__INTERRUPT__) & UART_IT_MASK))): \
999                                                            ((__HANDLE__)->Instance->CR3 |= (1U <<\
1000                                                                ((__INTERRUPT__) & UART_IT_MASK))))
1001 
1002 /** @brief  Disable the specified UART interrupt.
1003   * @param  __HANDLE__ specifies the UART Handle.
1004   * @param  __INTERRUPT__ specifies the UART interrupt source to disable.
1005   *          This parameter can be one of the following values:
1006   *            @arg @ref UART_IT_RXFF  RXFIFO Full interrupt
1007   *            @arg @ref UART_IT_TXFE  TXFIFO Empty interrupt
1008   *            @arg @ref UART_IT_RXFT  RXFIFO threshold interrupt
1009   *            @arg @ref UART_IT_TXFT  TXFIFO threshold interrupt
1010   *            @arg @ref UART_IT_WUF   Wakeup from stop mode interrupt
1011   *            @arg @ref UART_IT_CM    Character match interrupt
1012   *            @arg @ref UART_IT_CTS   CTS change interrupt
1013   *            @arg @ref UART_IT_LBD   LIN Break detection interrupt
1014   *            @arg @ref UART_IT_TXE   Transmit Data Register empty interrupt
1015   *            @arg @ref UART_IT_TXFNF TX FIFO not full interrupt
1016   *            @arg @ref UART_IT_TC    Transmission complete interrupt
1017   *            @arg @ref UART_IT_RXNE  Receive Data register not empty interrupt
1018   *            @arg @ref UART_IT_RXFNE RXFIFO not empty interrupt
1019   *            @arg @ref UART_IT_RTO   Receive Timeout interrupt
1020   *            @arg @ref UART_IT_IDLE  Idle line detection interrupt
1021   *            @arg @ref UART_IT_PE    Parity Error interrupt
1022   *            @arg @ref UART_IT_ERR   Error interrupt (Frame error, noise error, overrun error)
1023   * @retval None
1024   */
1025 #define __HAL_UART_DISABLE_IT(__HANDLE__, __INTERRUPT__)  (\
1026                                                            ((((uint8_t)(__INTERRUPT__)) >> 5U) == 1U)?\
1027                                                            ((__HANDLE__)->Instance->CR1 &= ~ (1U <<\
1028                                                                ((__INTERRUPT__) & UART_IT_MASK))): \
1029                                                            ((((uint8_t)(__INTERRUPT__)) >> 5U) == 2U)?\
1030                                                            ((__HANDLE__)->Instance->CR2 &= ~ (1U <<\
1031                                                                ((__INTERRUPT__) & UART_IT_MASK))): \
1032                                                            ((__HANDLE__)->Instance->CR3 &= ~ (1U <<\
1033                                                                ((__INTERRUPT__) & UART_IT_MASK))))
1034 
1035 /** @brief  Check whether the specified UART interrupt has occurred or not.
1036   * @param  __HANDLE__ specifies the UART Handle.
1037   * @param  __INTERRUPT__ specifies the UART interrupt to check.
1038   *          This parameter can be one of the following values:
1039   *            @arg @ref UART_IT_RXFF  RXFIFO Full interrupt
1040   *            @arg @ref UART_IT_TXFE  TXFIFO Empty interrupt
1041   *            @arg @ref UART_IT_RXFT  RXFIFO threshold interrupt
1042   *            @arg @ref UART_IT_TXFT  TXFIFO threshold interrupt
1043   *            @arg @ref UART_IT_WUF   Wakeup from stop mode interrupt
1044   *            @arg @ref UART_IT_CM    Character match interrupt
1045   *            @arg @ref UART_IT_CTS   CTS change interrupt
1046   *            @arg @ref UART_IT_LBD   LIN Break detection interrupt
1047   *            @arg @ref UART_IT_TXE   Transmit Data Register empty interrupt
1048   *            @arg @ref UART_IT_TXFNF TX FIFO not full interrupt
1049   *            @arg @ref UART_IT_TC    Transmission complete interrupt
1050   *            @arg @ref UART_IT_RXNE  Receive Data register not empty interrupt
1051   *            @arg @ref UART_IT_RXFNE RXFIFO not empty interrupt
1052   *            @arg @ref UART_IT_RTO   Receive Timeout interrupt
1053   *            @arg @ref UART_IT_IDLE  Idle line detection interrupt
1054   *            @arg @ref UART_IT_PE    Parity Error interrupt
1055   *            @arg @ref UART_IT_ERR   Error interrupt (Frame error, noise error, overrun error)
1056   * @retval The new state of __INTERRUPT__ (SET or RESET).
1057   */
1058 #define __HAL_UART_GET_IT(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->ISR\
1059                                                         & (1U << ((__INTERRUPT__)>> 8U))) != RESET) ? SET : RESET)
1060 
1061 /** @brief  Check whether the specified UART interrupt source is enabled or not.
1062   * @param  __HANDLE__ specifies the UART Handle.
1063   * @param  __INTERRUPT__ specifies the UART interrupt source to check.
1064   *          This parameter can be one of the following values:
1065   *            @arg @ref UART_IT_RXFF  RXFIFO Full interrupt
1066   *            @arg @ref UART_IT_TXFE  TXFIFO Empty interrupt
1067   *            @arg @ref UART_IT_RXFT  RXFIFO threshold interrupt
1068   *            @arg @ref UART_IT_TXFT  TXFIFO threshold interrupt
1069   *            @arg @ref UART_IT_WUF   Wakeup from stop mode interrupt
1070   *            @arg @ref UART_IT_CM    Character match interrupt
1071   *            @arg @ref UART_IT_CTS   CTS change interrupt
1072   *            @arg @ref UART_IT_LBD   LIN Break detection interrupt
1073   *            @arg @ref UART_IT_TXE   Transmit Data Register empty interrupt
1074   *            @arg @ref UART_IT_TXFNF TX FIFO not full interrupt
1075   *            @arg @ref UART_IT_TC    Transmission complete interrupt
1076   *            @arg @ref UART_IT_RXNE  Receive Data register not empty interrupt
1077   *            @arg @ref UART_IT_RXFNE RXFIFO not empty interrupt
1078   *            @arg @ref UART_IT_RTO   Receive Timeout interrupt
1079   *            @arg @ref UART_IT_IDLE  Idle line detection interrupt
1080   *            @arg @ref UART_IT_PE    Parity Error interrupt
1081   *            @arg @ref UART_IT_ERR   Error interrupt (Frame error, noise error, overrun error)
1082   * @retval The new state of __INTERRUPT__ (SET or RESET).
1083   */
1084 #define __HAL_UART_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((((((uint8_t)(__INTERRUPT__)) >> 5U) == 1U) ?\
1085                                                                 (__HANDLE__)->Instance->CR1 : \
1086                                                                 (((((uint8_t)(__INTERRUPT__)) >> 5U) == 2U) ?\
1087                                                                  (__HANDLE__)->Instance->CR2 : \
1088                                                                  (__HANDLE__)->Instance->CR3)) & (1U <<\
1089                                                                      (((uint16_t)(__INTERRUPT__)) &\
1090                                                                       UART_IT_MASK)))  != RESET) ? SET : RESET)
1091 
1092 /** @brief  Clear the specified UART ISR flag, in setting the proper ICR register flag.
1093   * @param  __HANDLE__ specifies the UART Handle.
1094   * @param  __IT_CLEAR__ specifies the interrupt clear register flag that needs to be set
1095   *                       to clear the corresponding interrupt
1096   *          This parameter can be one of the following values:
1097   *            @arg @ref UART_CLEAR_PEF    Parity Error Clear Flag
1098   *            @arg @ref UART_CLEAR_FEF    Framing Error Clear Flag
1099   *            @arg @ref UART_CLEAR_NEF    Noise detected Clear Flag
1100   *            @arg @ref UART_CLEAR_OREF   Overrun Error Clear Flag
1101   *            @arg @ref UART_CLEAR_IDLEF  IDLE line detected Clear Flag
1102   *            @arg @ref UART_CLEAR_RTOF   Receiver timeout clear flag
1103   *            @arg @ref UART_CLEAR_TXFECF TXFIFO empty Clear Flag
1104   *            @arg @ref UART_CLEAR_TCF    Transmission Complete Clear Flag
1105   *            @arg @ref UART_CLEAR_LBDF   LIN Break Detection Clear Flag
1106   *            @arg @ref UART_CLEAR_CTSF   CTS Interrupt Clear Flag
1107   *            @arg @ref UART_CLEAR_CMF    Character Match Clear Flag
1108   *            @arg @ref UART_CLEAR_WUF    Wake Up from stop mode Clear Flag
1109   * @retval None
1110   */
1111 #define __HAL_UART_CLEAR_IT(__HANDLE__, __IT_CLEAR__) ((__HANDLE__)->Instance->ICR = (uint32_t)(__IT_CLEAR__))
1112 
1113 /** @brief  Set a specific UART request flag.
1114   * @param  __HANDLE__ specifies the UART Handle.
1115   * @param  __REQ__ specifies the request flag to set
1116   *          This parameter can be one of the following values:
1117   *            @arg @ref UART_AUTOBAUD_REQUEST Auto-Baud Rate Request
1118   *            @arg @ref UART_SENDBREAK_REQUEST Send Break Request
1119   *            @arg @ref UART_MUTE_MODE_REQUEST Mute Mode Request
1120   *            @arg @ref UART_RXDATA_FLUSH_REQUEST Receive Data flush Request
1121   *            @arg @ref UART_TXDATA_FLUSH_REQUEST Transmit data flush Request
1122   * @retval None
1123   */
1124 #define __HAL_UART_SEND_REQ(__HANDLE__, __REQ__) ((__HANDLE__)->Instance->RQR |= (uint16_t)(__REQ__))
1125 
1126 /** @brief  Enable the UART one bit sample method.
1127   * @param  __HANDLE__ specifies the UART Handle.
1128   * @retval None
1129   */
1130 #define __HAL_UART_ONE_BIT_SAMPLE_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3|= USART_CR3_ONEBIT)
1131 
1132 /** @brief  Disable the UART one bit sample method.
1133   * @param  __HANDLE__ specifies the UART Handle.
1134   * @retval None
1135   */
1136 #define __HAL_UART_ONE_BIT_SAMPLE_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 &= ~USART_CR3_ONEBIT)
1137 
1138 /** @brief  Enable UART.
1139   * @param  __HANDLE__ specifies the UART Handle.
1140   * @retval None
1141   */
1142 #define __HAL_UART_ENABLE(__HANDLE__)                   ((__HANDLE__)->Instance->CR1 |= USART_CR1_UE)
1143 
1144 /** @brief  Disable UART.
1145   * @param  __HANDLE__ specifies the UART Handle.
1146   * @retval None
1147   */
1148 #define __HAL_UART_DISABLE(__HANDLE__)                  ((__HANDLE__)->Instance->CR1 &= ~USART_CR1_UE)
1149 
1150 /** @brief  Enable CTS flow control.
1151   * @note   This macro allows to enable CTS hardware flow control for a given UART instance,
1152   *         without need to call HAL_UART_Init() function.
1153   *         As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
1154   * @note   As macro is expected to be used for modifying CTS Hw flow control feature activation, without need
1155   *         for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
1156   *           - UART instance should have already been initialised (through call of HAL_UART_Init() )
1157   *           - macro could only be called when corresponding UART instance is disabled
1158   *             (i.e. __HAL_UART_DISABLE(__HANDLE__)) and should be followed by an Enable
1159   *              macro (i.e. __HAL_UART_ENABLE(__HANDLE__)).
1160   * @param  __HANDLE__ specifies the UART Handle.
1161   * @retval None
1162   */
1163 #define __HAL_UART_HWCONTROL_CTS_ENABLE(__HANDLE__)               \
1164   do{                                                             \
1165     ATOMIC_SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE);  \
1166     (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_CTSE;               \
1167   } while(0U)
1168 
1169 /** @brief  Disable CTS flow control.
1170   * @note   This macro allows to disable CTS hardware flow control for a given UART instance,
1171   *         without need to call HAL_UART_Init() function.
1172   *         As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
1173   * @note   As macro is expected to be used for modifying CTS Hw flow control feature activation, without need
1174   *         for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
1175   *           - UART instance should have already been initialised (through call of HAL_UART_Init() )
1176   *           - macro could only be called when corresponding UART instance is disabled
1177   *             (i.e. __HAL_UART_DISABLE(__HANDLE__)) and should be followed by an Enable
1178   *              macro (i.e. __HAL_UART_ENABLE(__HANDLE__)).
1179   * @param  __HANDLE__ specifies the UART Handle.
1180   * @retval None
1181   */
1182 #define __HAL_UART_HWCONTROL_CTS_DISABLE(__HANDLE__)               \
1183   do{                                                              \
1184     ATOMIC_CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE); \
1185     (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_CTSE);             \
1186   } while(0U)
1187 
1188 /** @brief  Enable RTS flow control.
1189   * @note   This macro allows to enable RTS hardware flow control for a given UART instance,
1190   *         without need to call HAL_UART_Init() function.
1191   *         As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
1192   * @note   As macro is expected to be used for modifying RTS Hw flow control feature activation, without need
1193   *         for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
1194   *           - UART instance should have already been initialised (through call of HAL_UART_Init() )
1195   *           - macro could only be called when corresponding UART instance is disabled
1196   *             (i.e. __HAL_UART_DISABLE(__HANDLE__)) and should be followed by an Enable
1197   *              macro (i.e. __HAL_UART_ENABLE(__HANDLE__)).
1198   * @param  __HANDLE__ specifies the UART Handle.
1199   * @retval None
1200   */
1201 #define __HAL_UART_HWCONTROL_RTS_ENABLE(__HANDLE__)              \
1202   do{                                                            \
1203     ATOMIC_SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE); \
1204     (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_RTSE;              \
1205   } while(0U)
1206 
1207 /** @brief  Disable RTS flow control.
1208   * @note   This macro allows to disable RTS hardware flow control for a given UART instance,
1209   *         without need to call HAL_UART_Init() function.
1210   *         As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
1211   * @note   As macro is expected to be used for modifying RTS Hw flow control feature activation, without need
1212   *         for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
1213   *           - UART instance should have already been initialised (through call of HAL_UART_Init() )
1214   *           - macro could only be called when corresponding UART instance is disabled
1215   *             (i.e. __HAL_UART_DISABLE(__HANDLE__)) and should be followed by an Enable
1216   *              macro (i.e. __HAL_UART_ENABLE(__HANDLE__)).
1217   * @param  __HANDLE__ specifies the UART Handle.
1218   * @retval None
1219   */
1220 #define __HAL_UART_HWCONTROL_RTS_DISABLE(__HANDLE__)              \
1221   do{                                                             \
1222     ATOMIC_CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE);\
1223     (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_RTSE);            \
1224   } while(0U)
1225 /**
1226   * @}
1227   */
1228 
1229 /* Private macros --------------------------------------------------------*/
1230 /** @defgroup UART_Private_Macros   UART Private Macros
1231   * @{
1232   */
1233 /** @brief  Get UART clok division factor from clock prescaler value.
1234   * @param  __CLOCKPRESCALER__ UART prescaler value.
1235   * @retval UART clock division factor
1236   */
1237 #define UART_GET_DIV_FACTOR(__CLOCKPRESCALER__) \
1238   (((__CLOCKPRESCALER__) == UART_PRESCALER_DIV1)   ? 1U :       \
1239    ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV2)   ? 2U :       \
1240    ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV4)   ? 4U :       \
1241    ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV6)   ? 6U :       \
1242    ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV8)   ? 8U :       \
1243    ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV10)  ? 10U :      \
1244    ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV12)  ? 12U :      \
1245    ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV16)  ? 16U :      \
1246    ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV32)  ? 32U :      \
1247    ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV64)  ? 64U :      \
1248    ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV128) ? 128U :     \
1249    ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV256) ? 256U : 1U)
1250 
1251 /** @brief  BRR division operation to set BRR register with LPUART.
1252   * @param  __PCLK__ LPUART clock.
1253   * @param  __BAUD__ Baud rate set by the user.
1254   * @param  __CLOCKPRESCALER__ UART prescaler value.
1255   * @retval Division result
1256   */
1257 #define UART_DIV_LPUART(__PCLK__, __BAUD__, __CLOCKPRESCALER__)                        \
1258   ((uint32_t)((((((uint64_t)(__PCLK__))/(UARTPrescTable[(__CLOCKPRESCALER__)]))*256U)+ \
1259                (uint32_t)((__BAUD__)/2U)) / (__BAUD__))                                \
1260   )
1261 
1262 /** @brief  BRR division operation to set BRR register in 8-bit oversampling mode.
1263   * @param  __PCLK__ UART clock.
1264   * @param  __BAUD__ Baud rate set by the user.
1265   * @param  __CLOCKPRESCALER__ UART prescaler value.
1266   * @retval Division result
1267   */
1268 #define UART_DIV_SAMPLING8(__PCLK__, __BAUD__, __CLOCKPRESCALER__)                        \
1269   (((((__PCLK__)/UARTPrescTable[(__CLOCKPRESCALER__)])*2U) + ((__BAUD__)/2U)) / (__BAUD__))
1270 
1271 /** @brief  BRR division operation to set BRR register in 16-bit oversampling mode.
1272   * @param  __PCLK__ UART clock.
1273   * @param  __BAUD__ Baud rate set by the user.
1274   * @param  __CLOCKPRESCALER__ UART prescaler value.
1275   * @retval Division result
1276   */
1277 #define UART_DIV_SAMPLING16(__PCLK__, __BAUD__, __CLOCKPRESCALER__)                       \
1278   ((((__PCLK__)/UARTPrescTable[(__CLOCKPRESCALER__)]) + ((__BAUD__)/2U)) / (__BAUD__))
1279 
1280 /** @brief  Check whether or not UART instance is Low Power UART.
1281   * @param  __HANDLE__ specifies the UART Handle.
1282   * @retval SET (instance is LPUART) or RESET (instance isn't LPUART)
1283   */
1284 #define UART_INSTANCE_LOWPOWER(__HANDLE__) (IS_LPUART_INSTANCE((__HANDLE__)->Instance))
1285 
1286 /** @brief  Check UART Baud rate.
1287   * @param  __BAUDRATE__ Baudrate specified by the user.
1288   *         The maximum Baud Rate is derived from the maximum clock on G4 (i.e. 150 MHz)
1289   *         divided by the smallest oversampling used on the USART (i.e. 8)
1290   * @retval SET (__BAUDRATE__ is valid) or RESET (__BAUDRATE__ is invalid)
1291   */
1292 #define IS_UART_BAUDRATE(__BAUDRATE__) ((__BAUDRATE__) < 18750001U)
1293 
1294 /** @brief  Check UART assertion time.
1295   * @param  __TIME__ 5-bit value assertion time.
1296   * @retval Test result (TRUE or FALSE).
1297   */
1298 #define IS_UART_ASSERTIONTIME(__TIME__)    ((__TIME__) <= 0x1FU)
1299 
1300 /** @brief  Check UART deassertion time.
1301   * @param  __TIME__ 5-bit value deassertion time.
1302   * @retval Test result (TRUE or FALSE).
1303   */
1304 #define IS_UART_DEASSERTIONTIME(__TIME__) ((__TIME__) <= 0x1FU)
1305 
1306 /**
1307   * @brief Ensure that UART frame number of stop bits is valid.
1308   * @param __STOPBITS__ UART frame number of stop bits.
1309   * @retval SET (__STOPBITS__ is valid) or RESET (__STOPBITS__ is invalid)
1310   */
1311 #define IS_UART_STOPBITS(__STOPBITS__) (((__STOPBITS__) == UART_STOPBITS_0_5) || \
1312                                         ((__STOPBITS__) == UART_STOPBITS_1)   || \
1313                                         ((__STOPBITS__) == UART_STOPBITS_1_5) || \
1314                                         ((__STOPBITS__) == UART_STOPBITS_2))
1315 
1316 /**
1317   * @brief Ensure that LPUART frame number of stop bits is valid.
1318   * @param __STOPBITS__ LPUART frame number of stop bits.
1319   * @retval SET (__STOPBITS__ is valid) or RESET (__STOPBITS__ is invalid)
1320   */
1321 #define IS_LPUART_STOPBITS(__STOPBITS__) (((__STOPBITS__) == UART_STOPBITS_1) || \
1322                                           ((__STOPBITS__) == UART_STOPBITS_2))
1323 
1324 /**
1325   * @brief Ensure that UART frame parity is valid.
1326   * @param __PARITY__ UART frame parity.
1327   * @retval SET (__PARITY__ is valid) or RESET (__PARITY__ is invalid)
1328   */
1329 #define IS_UART_PARITY(__PARITY__) (((__PARITY__) == UART_PARITY_NONE) || \
1330                                     ((__PARITY__) == UART_PARITY_EVEN) || \
1331                                     ((__PARITY__) == UART_PARITY_ODD))
1332 
1333 /**
1334   * @brief Ensure that UART hardware flow control is valid.
1335   * @param __CONTROL__ UART hardware flow control.
1336   * @retval SET (__CONTROL__ is valid) or RESET (__CONTROL__ is invalid)
1337   */
1338 #define IS_UART_HARDWARE_FLOW_CONTROL(__CONTROL__)\
1339   (((__CONTROL__) == UART_HWCONTROL_NONE) || \
1340    ((__CONTROL__) == UART_HWCONTROL_RTS)  || \
1341    ((__CONTROL__) == UART_HWCONTROL_CTS)  || \
1342    ((__CONTROL__) == UART_HWCONTROL_RTS_CTS))
1343 
1344 /**
1345   * @brief Ensure that UART communication mode is valid.
1346   * @param __MODE__ UART communication mode.
1347   * @retval SET (__MODE__ is valid) or RESET (__MODE__ is invalid)
1348   */
1349 #define IS_UART_MODE(__MODE__) ((((__MODE__) & (~((uint32_t)(UART_MODE_TX_RX)))) == 0x00U) && ((__MODE__) != 0x00U))
1350 
1351 /**
1352   * @brief Ensure that UART state is valid.
1353   * @param __STATE__ UART state.
1354   * @retval SET (__STATE__ is valid) or RESET (__STATE__ is invalid)
1355   */
1356 #define IS_UART_STATE(__STATE__) (((__STATE__) == UART_STATE_DISABLE) || \
1357                                   ((__STATE__) == UART_STATE_ENABLE))
1358 
1359 /**
1360   * @brief Ensure that UART oversampling is valid.
1361   * @param __SAMPLING__ UART oversampling.
1362   * @retval SET (__SAMPLING__ is valid) or RESET (__SAMPLING__ is invalid)
1363   */
1364 #define IS_UART_OVERSAMPLING(__SAMPLING__) (((__SAMPLING__) == UART_OVERSAMPLING_16) || \
1365                                             ((__SAMPLING__) == UART_OVERSAMPLING_8))
1366 
1367 /**
1368   * @brief Ensure that UART frame sampling is valid.
1369   * @param __ONEBIT__ UART frame sampling.
1370   * @retval SET (__ONEBIT__ is valid) or RESET (__ONEBIT__ is invalid)
1371   */
1372 #define IS_UART_ONE_BIT_SAMPLE(__ONEBIT__) (((__ONEBIT__) == UART_ONE_BIT_SAMPLE_DISABLE) || \
1373                                             ((__ONEBIT__) == UART_ONE_BIT_SAMPLE_ENABLE))
1374 
1375 /**
1376   * @brief Ensure that UART auto Baud rate detection mode is valid.
1377   * @param __MODE__ UART auto Baud rate detection mode.
1378   * @retval SET (__MODE__ is valid) or RESET (__MODE__ is invalid)
1379   */
1380 #define IS_UART_ADVFEATURE_AUTOBAUDRATEMODE(__MODE__)  (((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ONSTARTBIT)    || \
1381                                                         ((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ONFALLINGEDGE) || \
1382                                                         ((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ON0X7FFRAME)   || \
1383                                                         ((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ON0X55FRAME))
1384 
1385 /**
1386   * @brief Ensure that UART receiver timeout setting is valid.
1387   * @param __TIMEOUT__ UART receiver timeout setting.
1388   * @retval SET (__TIMEOUT__ is valid) or RESET (__TIMEOUT__ is invalid)
1389   */
1390 #define IS_UART_RECEIVER_TIMEOUT(__TIMEOUT__)  (((__TIMEOUT__) == UART_RECEIVER_TIMEOUT_DISABLE) || \
1391                                                 ((__TIMEOUT__) == UART_RECEIVER_TIMEOUT_ENABLE))
1392 
1393 /** @brief  Check the receiver timeout value.
1394   * @note   The maximum UART receiver timeout value is 0xFFFFFF.
1395   * @param  __TIMEOUTVALUE__ receiver timeout value.
1396   * @retval Test result (TRUE or FALSE)
1397   */
1398 #define IS_UART_RECEIVER_TIMEOUT_VALUE(__TIMEOUTVALUE__)  ((__TIMEOUTVALUE__) <= 0xFFFFFFU)
1399 
1400 /**
1401   * @brief Ensure that UART LIN state is valid.
1402   * @param __LIN__ UART LIN state.
1403   * @retval SET (__LIN__ is valid) or RESET (__LIN__ is invalid)
1404   */
1405 #define IS_UART_LIN(__LIN__)        (((__LIN__) == UART_LIN_DISABLE) || \
1406                                      ((__LIN__) == UART_LIN_ENABLE))
1407 
1408 /**
1409   * @brief Ensure that UART LIN break detection length is valid.
1410   * @param __LENGTH__ UART LIN break detection length.
1411   * @retval SET (__LENGTH__ is valid) or RESET (__LENGTH__ is invalid)
1412   */
1413 #define IS_UART_LIN_BREAK_DETECT_LENGTH(__LENGTH__) (((__LENGTH__) == UART_LINBREAKDETECTLENGTH_10B) || \
1414                                                      ((__LENGTH__) == UART_LINBREAKDETECTLENGTH_11B))
1415 
1416 /**
1417   * @brief Ensure that UART DMA TX state is valid.
1418   * @param __DMATX__ UART DMA TX state.
1419   * @retval SET (__DMATX__ is valid) or RESET (__DMATX__ is invalid)
1420   */
1421 #define IS_UART_DMA_TX(__DMATX__)     (((__DMATX__) == UART_DMA_TX_DISABLE) || \
1422                                        ((__DMATX__) == UART_DMA_TX_ENABLE))
1423 
1424 /**
1425   * @brief Ensure that UART DMA RX state is valid.
1426   * @param __DMARX__ UART DMA RX state.
1427   * @retval SET (__DMARX__ is valid) or RESET (__DMARX__ is invalid)
1428   */
1429 #define IS_UART_DMA_RX(__DMARX__)     (((__DMARX__) == UART_DMA_RX_DISABLE) || \
1430                                        ((__DMARX__) == UART_DMA_RX_ENABLE))
1431 
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 #define IS_UART_ADVFEATURE_INIT(__INIT__)   ((__INIT__) <= (UART_ADVFEATURE_NO_INIT                | \
1465                                                             UART_ADVFEATURE_TXINVERT_INIT          | \
1466                                                             UART_ADVFEATURE_RXINVERT_INIT          | \
1467                                                             UART_ADVFEATURE_DATAINVERT_INIT        | \
1468                                                             UART_ADVFEATURE_SWAP_INIT              | \
1469                                                             UART_ADVFEATURE_RXOVERRUNDISABLE_INIT  | \
1470                                                             UART_ADVFEATURE_DMADISABLEONERROR_INIT | \
1471                                                             UART_ADVFEATURE_AUTOBAUDRATE_INIT      | \
1472                                                             UART_ADVFEATURE_MSBFIRST_INIT))
1473 
1474 /**
1475   * @brief Ensure that UART frame TX inversion setting is valid.
1476   * @param __TXINV__ UART frame TX inversion setting.
1477   * @retval SET (__TXINV__ is valid) or RESET (__TXINV__ is invalid)
1478   */
1479 #define IS_UART_ADVFEATURE_TXINV(__TXINV__) (((__TXINV__) == UART_ADVFEATURE_TXINV_DISABLE) || \
1480                                              ((__TXINV__) == UART_ADVFEATURE_TXINV_ENABLE))
1481 
1482 /**
1483   * @brief Ensure that UART frame RX inversion setting is valid.
1484   * @param __RXINV__ UART frame RX inversion setting.
1485   * @retval SET (__RXINV__ is valid) or RESET (__RXINV__ is invalid)
1486   */
1487 #define IS_UART_ADVFEATURE_RXINV(__RXINV__) (((__RXINV__) == UART_ADVFEATURE_RXINV_DISABLE) || \
1488                                              ((__RXINV__) == UART_ADVFEATURE_RXINV_ENABLE))
1489 
1490 /**
1491   * @brief Ensure that UART frame data inversion setting is valid.
1492   * @param __DATAINV__ UART frame data inversion setting.
1493   * @retval SET (__DATAINV__ is valid) or RESET (__DATAINV__ is invalid)
1494   */
1495 #define IS_UART_ADVFEATURE_DATAINV(__DATAINV__) (((__DATAINV__) == UART_ADVFEATURE_DATAINV_DISABLE) || \
1496                                                  ((__DATAINV__) == UART_ADVFEATURE_DATAINV_ENABLE))
1497 
1498 /**
1499   * @brief Ensure that UART frame RX/TX pins swap setting is valid.
1500   * @param __SWAP__ UART frame RX/TX pins swap setting.
1501   * @retval SET (__SWAP__ is valid) or RESET (__SWAP__ is invalid)
1502   */
1503 #define IS_UART_ADVFEATURE_SWAP(__SWAP__) (((__SWAP__) == UART_ADVFEATURE_SWAP_DISABLE) || \
1504                                            ((__SWAP__) == UART_ADVFEATURE_SWAP_ENABLE))
1505 
1506 /**
1507   * @brief Ensure that UART frame overrun setting is valid.
1508   * @param __OVERRUN__ UART frame overrun setting.
1509   * @retval SET (__OVERRUN__ is valid) or RESET (__OVERRUN__ is invalid)
1510   */
1511 #define IS_UART_OVERRUN(__OVERRUN__)     (((__OVERRUN__) == UART_ADVFEATURE_OVERRUN_ENABLE) || \
1512                                           ((__OVERRUN__) == UART_ADVFEATURE_OVERRUN_DISABLE))
1513 
1514 /**
1515   * @brief Ensure that UART auto Baud rate state is valid.
1516   * @param __AUTOBAUDRATE__ UART auto Baud rate state.
1517   * @retval SET (__AUTOBAUDRATE__ is valid) or RESET (__AUTOBAUDRATE__ is invalid)
1518   */
1519 #define IS_UART_ADVFEATURE_AUTOBAUDRATE(__AUTOBAUDRATE__) (((__AUTOBAUDRATE__) == \
1520                                                             UART_ADVFEATURE_AUTOBAUDRATE_DISABLE) || \
1521                                                            ((__AUTOBAUDRATE__) == UART_ADVFEATURE_AUTOBAUDRATE_ENABLE))
1522 
1523 /**
1524   * @brief Ensure that UART DMA enabling or disabling on error setting is valid.
1525   * @param __DMA__ UART DMA enabling or disabling on error setting.
1526   * @retval SET (__DMA__ is valid) or RESET (__DMA__ is invalid)
1527   */
1528 #define IS_UART_ADVFEATURE_DMAONRXERROR(__DMA__)  (((__DMA__) == UART_ADVFEATURE_DMA_ENABLEONRXERROR) || \
1529                                                    ((__DMA__) == UART_ADVFEATURE_DMA_DISABLEONRXERROR))
1530 
1531 /**
1532   * @brief Ensure that UART frame MSB first setting is valid.
1533   * @param __MSBFIRST__ UART frame MSB first setting.
1534   * @retval SET (__MSBFIRST__ is valid) or RESET (__MSBFIRST__ is invalid)
1535   */
1536 #define IS_UART_ADVFEATURE_MSBFIRST(__MSBFIRST__) (((__MSBFIRST__) == UART_ADVFEATURE_MSBFIRST_DISABLE) || \
1537                                                    ((__MSBFIRST__) == UART_ADVFEATURE_MSBFIRST_ENABLE))
1538 
1539 /**
1540   * @brief Ensure that UART stop mode state is valid.
1541   * @param __STOPMODE__ UART stop mode state.
1542   * @retval SET (__STOPMODE__ is valid) or RESET (__STOPMODE__ is invalid)
1543   */
1544 #define IS_UART_ADVFEATURE_STOPMODE(__STOPMODE__) (((__STOPMODE__) == UART_ADVFEATURE_STOPMODE_DISABLE) || \
1545                                                    ((__STOPMODE__) == UART_ADVFEATURE_STOPMODE_ENABLE))
1546 
1547 /**
1548   * @brief Ensure that UART mute mode state is valid.
1549   * @param __MUTE__ UART mute mode state.
1550   * @retval SET (__MUTE__ is valid) or RESET (__MUTE__ is invalid)
1551   */
1552 #define IS_UART_MUTE_MODE(__MUTE__)       (((__MUTE__) == UART_ADVFEATURE_MUTEMODE_DISABLE) || \
1553                                            ((__MUTE__) == UART_ADVFEATURE_MUTEMODE_ENABLE))
1554 
1555 /**
1556   * @brief Ensure that UART wake-up selection is valid.
1557   * @param __WAKE__ UART wake-up selection.
1558   * @retval SET (__WAKE__ is valid) or RESET (__WAKE__ is invalid)
1559   */
1560 #define IS_UART_WAKEUP_SELECTION(__WAKE__) (((__WAKE__) == UART_WAKEUP_ON_ADDRESS)           || \
1561                                             ((__WAKE__) == UART_WAKEUP_ON_STARTBIT)          || \
1562                                             ((__WAKE__) == UART_WAKEUP_ON_READDATA_NONEMPTY))
1563 
1564 /**
1565   * @brief Ensure that UART driver enable polarity is valid.
1566   * @param __POLARITY__ UART driver enable polarity.
1567   * @retval SET (__POLARITY__ is valid) or RESET (__POLARITY__ is invalid)
1568   */
1569 #define IS_UART_DE_POLARITY(__POLARITY__)    (((__POLARITY__) == UART_DE_POLARITY_HIGH) || \
1570                                               ((__POLARITY__) == UART_DE_POLARITY_LOW))
1571 
1572 /**
1573   * @brief Ensure that UART Prescaler is valid.
1574   * @param __CLOCKPRESCALER__ UART Prescaler value.
1575   * @retval SET (__CLOCKPRESCALER__ is valid) or RESET (__CLOCKPRESCALER__ is invalid)
1576   */
1577 #define IS_UART_PRESCALER(__CLOCKPRESCALER__) (((__CLOCKPRESCALER__) == UART_PRESCALER_DIV1)   || \
1578                                                ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV2)   || \
1579                                                ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV4)   || \
1580                                                ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV6)   || \
1581                                                ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV8)   || \
1582                                                ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV10)  || \
1583                                                ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV12)  || \
1584                                                ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV16)  || \
1585                                                ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV32)  || \
1586                                                ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV64)  || \
1587                                                ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV128) || \
1588                                                ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV256))
1589 
1590 /**
1591   * @}
1592   */
1593 
1594 /* Include UART HAL Extended module */
1595 #include "stm32g4xx_hal_uart_ex.h"
1596 
1597 /* Exported functions --------------------------------------------------------*/
1598 /** @addtogroup UART_Exported_Functions UART Exported Functions
1599   * @{
1600   */
1601 
1602 /** @addtogroup UART_Exported_Functions_Group1 Initialization and de-initialization functions
1603   * @{
1604   */
1605 
1606 /* Initialization and de-initialization functions  ****************************/
1607 HAL_StatusTypeDef HAL_UART_Init(UART_HandleTypeDef *huart);
1608 HAL_StatusTypeDef HAL_HalfDuplex_Init(UART_HandleTypeDef *huart);
1609 HAL_StatusTypeDef HAL_LIN_Init(UART_HandleTypeDef *huart, uint32_t BreakDetectLength);
1610 HAL_StatusTypeDef HAL_MultiProcessor_Init(UART_HandleTypeDef *huart, uint8_t Address, uint32_t WakeUpMethod);
1611 HAL_StatusTypeDef HAL_UART_DeInit(UART_HandleTypeDef *huart);
1612 void HAL_UART_MspInit(UART_HandleTypeDef *huart);
1613 void HAL_UART_MspDeInit(UART_HandleTypeDef *huart);
1614 
1615 /* Callbacks Register/UnRegister functions  ***********************************/
1616 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
1617 HAL_StatusTypeDef HAL_UART_RegisterCallback(UART_HandleTypeDef *huart, HAL_UART_CallbackIDTypeDef CallbackID,
1618                                             pUART_CallbackTypeDef pCallback);
1619 HAL_StatusTypeDef HAL_UART_UnRegisterCallback(UART_HandleTypeDef *huart, HAL_UART_CallbackIDTypeDef CallbackID);
1620 
1621 HAL_StatusTypeDef HAL_UART_RegisterRxEventCallback(UART_HandleTypeDef *huart, pUART_RxEventCallbackTypeDef pCallback);
1622 HAL_StatusTypeDef HAL_UART_UnRegisterRxEventCallback(UART_HandleTypeDef *huart);
1623 #endif /* USE_HAL_UART_REGISTER_CALLBACKS */
1624 
1625 /**
1626   * @}
1627   */
1628 
1629 /** @addtogroup UART_Exported_Functions_Group2 IO operation functions
1630   * @{
1631   */
1632 
1633 /* IO operation functions *****************************************************/
1634 HAL_StatusTypeDef HAL_UART_Transmit(UART_HandleTypeDef *huart, const uint8_t *pData, uint16_t Size, uint32_t Timeout);
1635 HAL_StatusTypeDef HAL_UART_Receive(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout);
1636 HAL_StatusTypeDef HAL_UART_Transmit_IT(UART_HandleTypeDef *huart, const uint8_t *pData, uint16_t Size);
1637 HAL_StatusTypeDef HAL_UART_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
1638 HAL_StatusTypeDef HAL_UART_Transmit_DMA(UART_HandleTypeDef *huart, const uint8_t *pData, uint16_t Size);
1639 HAL_StatusTypeDef HAL_UART_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
1640 HAL_StatusTypeDef HAL_UART_DMAPause(UART_HandleTypeDef *huart);
1641 HAL_StatusTypeDef HAL_UART_DMAResume(UART_HandleTypeDef *huart);
1642 HAL_StatusTypeDef HAL_UART_DMAStop(UART_HandleTypeDef *huart);
1643 /* Transfer Abort functions */
1644 HAL_StatusTypeDef HAL_UART_Abort(UART_HandleTypeDef *huart);
1645 HAL_StatusTypeDef HAL_UART_AbortTransmit(UART_HandleTypeDef *huart);
1646 HAL_StatusTypeDef HAL_UART_AbortReceive(UART_HandleTypeDef *huart);
1647 HAL_StatusTypeDef HAL_UART_Abort_IT(UART_HandleTypeDef *huart);
1648 HAL_StatusTypeDef HAL_UART_AbortTransmit_IT(UART_HandleTypeDef *huart);
1649 HAL_StatusTypeDef HAL_UART_AbortReceive_IT(UART_HandleTypeDef *huart);
1650 
1651 void HAL_UART_IRQHandler(UART_HandleTypeDef *huart);
1652 void HAL_UART_TxHalfCpltCallback(UART_HandleTypeDef *huart);
1653 void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart);
1654 void HAL_UART_RxHalfCpltCallback(UART_HandleTypeDef *huart);
1655 void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart);
1656 void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart);
1657 void HAL_UART_AbortCpltCallback(UART_HandleTypeDef *huart);
1658 void HAL_UART_AbortTransmitCpltCallback(UART_HandleTypeDef *huart);
1659 void HAL_UART_AbortReceiveCpltCallback(UART_HandleTypeDef *huart);
1660 
1661 void HAL_UARTEx_RxEventCallback(UART_HandleTypeDef *huart, uint16_t Size);
1662 
1663 /**
1664   * @}
1665   */
1666 
1667 /** @addtogroup UART_Exported_Functions_Group3 Peripheral Control functions
1668   * @{
1669   */
1670 
1671 /* Peripheral Control functions  ************************************************/
1672 void HAL_UART_ReceiverTimeout_Config(UART_HandleTypeDef *huart, uint32_t TimeoutValue);
1673 HAL_StatusTypeDef HAL_UART_EnableReceiverTimeout(UART_HandleTypeDef *huart);
1674 HAL_StatusTypeDef HAL_UART_DisableReceiverTimeout(UART_HandleTypeDef *huart);
1675 
1676 HAL_StatusTypeDef HAL_LIN_SendBreak(UART_HandleTypeDef *huart);
1677 HAL_StatusTypeDef HAL_MultiProcessor_EnableMuteMode(UART_HandleTypeDef *huart);
1678 HAL_StatusTypeDef HAL_MultiProcessor_DisableMuteMode(UART_HandleTypeDef *huart);
1679 void HAL_MultiProcessor_EnterMuteMode(UART_HandleTypeDef *huart);
1680 HAL_StatusTypeDef HAL_HalfDuplex_EnableTransmitter(UART_HandleTypeDef *huart);
1681 HAL_StatusTypeDef HAL_HalfDuplex_EnableReceiver(UART_HandleTypeDef *huart);
1682 
1683 /**
1684   * @}
1685   */
1686 
1687 /** @addtogroup UART_Exported_Functions_Group4 Peripheral State and Error functions
1688   * @{
1689   */
1690 
1691 /* Peripheral State and Errors functions  **************************************************/
1692 HAL_UART_StateTypeDef HAL_UART_GetState(const UART_HandleTypeDef *huart);
1693 uint32_t              HAL_UART_GetError(const UART_HandleTypeDef *huart);
1694 
1695 /**
1696   * @}
1697   */
1698 
1699 /**
1700   * @}
1701   */
1702 
1703 /* Private functions -----------------------------------------------------------*/
1704 /** @addtogroup UART_Private_Functions UART Private Functions
1705   * @{
1706   */
1707 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
1708 void              UART_InitCallbacksToDefault(UART_HandleTypeDef *huart);
1709 #endif /* USE_HAL_UART_REGISTER_CALLBACKS */
1710 HAL_StatusTypeDef UART_SetConfig(UART_HandleTypeDef *huart);
1711 HAL_StatusTypeDef UART_CheckIdleState(UART_HandleTypeDef *huart);
1712 HAL_StatusTypeDef UART_WaitOnFlagUntilTimeout(UART_HandleTypeDef *huart, uint32_t Flag, FlagStatus Status,
1713                                               uint32_t Tickstart, uint32_t Timeout);
1714 void              UART_AdvFeatureConfig(UART_HandleTypeDef *huart);
1715 HAL_StatusTypeDef UART_Start_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
1716 HAL_StatusTypeDef UART_Start_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
1717 
1718 /**
1719   * @}
1720   */
1721 
1722 /* Private variables -----------------------------------------------------------*/
1723 /** @defgroup UART_Private_variables UART Private variables
1724   * @{
1725   */
1726 /* Prescaler Table used in BRR computation macros.
1727    Declared as extern here to allow use of private UART macros, outside of HAL UART functions */
1728 extern const uint16_t UARTPrescTable[12];
1729 /**
1730   * @}
1731   */
1732 
1733 /**
1734   * @}
1735   */
1736 
1737 /**
1738   * @}
1739   */
1740 
1741 #ifdef __cplusplus
1742 }
1743 #endif
1744 
1745 #endif /* STM32G4xx_HAL_UART_H */
1746 
1747