1 /**
2   ******************************************************************************
3   * @file    stm32f7xx_hal_uart.h
4   * @author  MCD Application Team
5   * @brief   Header file of UART HAL module.
6   ******************************************************************************
7   * @attention
8   *
9   * Copyright (c) 2017 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 STM32F7xx_HAL_UART_H
21 #define STM32F7xx_HAL_UART_H
22 
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26 
27 /* Includes ------------------------------------------------------------------*/
28 #include "stm32f7xx_hal_def.h"
29 
30 /** @addtogroup STM32F7xx_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                                          - If oversampling is 16 or in LIN mode,
51                                             Baud Rate Register = ((uart_ker_ck) / ((huart->Init.BaudRate)))
52                                          - If oversampling is 8,
53                                             Baud Rate Register[15:4] = ((2 * uart_ker_ck) /
54                                                                         ((huart->Init.BaudRate)))[15:4]
55                                             Baud Rate Register[3] =  0
56                                             Baud Rate Register[2:0] =  (((2 * uart_ker_ck) /
57                                                                         ((huart->Init.BaudRate)))[3:0]) >> 1
58                                          where uart_ker_ck is the UART input clock */
59 
60   uint32_t WordLength;              /*!< Specifies the number of data bits transmitted or received in a frame.
61                                          This parameter can be a value of @ref UARTEx_Word_Length. */
62 
63   uint32_t StopBits;                /*!< Specifies the number of stop bits transmitted.
64                                          This parameter can be a value of @ref UART_Stop_Bits. */
65 
66   uint32_t Parity;                  /*!< Specifies the parity mode.
67                                          This parameter can be a value of @ref UART_Parity
68                                          @note When parity is enabled, the computed parity is inserted
69                                                at the MSB position of the transmitted data (9th bit when
70                                                the word length is set to 9 data bits; 8th bit when the
71                                                word length is set to 8 data bits). */
72 
73   uint32_t Mode;                    /*!< Specifies whether the Receive or Transmit mode is enabled or disabled.
74                                          This parameter can be a value of @ref UART_Mode. */
75 
76   uint32_t HwFlowCtl;               /*!< Specifies whether the hardware flow control mode is enabled
77                                          or disabled.
78                                          This parameter can be a value of @ref UART_Hardware_Flow_Control. */
79 
80   uint32_t OverSampling;            /*!< Specifies whether the Over sampling 8 is enabled or disabled,
81                                          to achieve higher speed (up to f_PCLK/8).
82                                          This parameter can be a value of @ref UART_Over_Sampling. */
83 
84   uint32_t OneBitSampling;          /*!< Specifies whether a single sample or three samples' majority vote is selected.
85                                          Selecting the single sample method increases the receiver tolerance to clock
86                                          deviations. This parameter can be a value of @ref UART_OneBit_Sampling. */
87 
88 
89 } UART_InitTypeDef;
90 
91 /**
92   * @brief  UART Advanced Features initialization structure definition
93   */
94 typedef struct
95 {
96   uint32_t AdvFeatureInit;        /*!< Specifies which advanced UART features is initialized. Several
97                                        Advanced Features may be initialized at the same time .
98                                        This parameter can be a value of
99                                        @ref UART_Advanced_Features_Initialization_Type. */
100 
101   uint32_t TxPinLevelInvert;      /*!< Specifies whether the TX pin active level is inverted.
102                                        This parameter can be a value of @ref UART_Tx_Inv. */
103 
104   uint32_t RxPinLevelInvert;      /*!< Specifies whether the RX pin active level is inverted.
105                                        This parameter can be a value of @ref UART_Rx_Inv. */
106 
107   uint32_t DataInvert;            /*!< Specifies whether data are inverted (positive/direct logic
108                                        vs negative/inverted logic).
109                                        This parameter can be a value of @ref UART_Data_Inv. */
110 
111   uint32_t Swap;                  /*!< Specifies whether TX and RX pins are swapped.
112                                        This parameter can be a value of @ref UART_Rx_Tx_Swap. */
113 
114   uint32_t OverrunDisable;        /*!< Specifies whether the reception overrun detection is disabled.
115                                        This parameter can be a value of @ref UART_Overrun_Disable. */
116 
117   uint32_t DMADisableonRxError;   /*!< Specifies whether the DMA is disabled in case of reception error.
118                                        This parameter can be a value of @ref UART_DMA_Disable_on_Rx_Error. */
119 
120   uint32_t AutoBaudRateEnable;    /*!< Specifies whether auto Baud rate detection is enabled.
121                                        This parameter can be a value of @ref UART_AutoBaudRate_Enable. */
122 
123   uint32_t AutoBaudRateMode;      /*!< If auto Baud rate detection is enabled, specifies how the rate
124                                        detection is carried out.
125                                        This parameter can be a value of @ref UART_AutoBaud_Rate_Mode. */
126 
127   uint32_t MSBFirst;              /*!< Specifies whether MSB is sent first on UART line.
128                                        This parameter can be a value of @ref UART_MSB_First. */
129 } UART_AdvFeatureInitTypeDef;
130 
131 /**
132   * @brief HAL UART State definition
133   * @note  HAL UART State value is a combination of 2 different substates:
134   *        gState and RxState (see @ref UART_State_Definition).
135   *        - gState contains UART state information related to global Handle management
136   *          and also information related to Tx operations.
137   *          gState value coding follow below described bitmap :
138   *          b7-b6  Error information
139   *             00 : No Error
140   *             01 : (Not Used)
141   *             10 : Timeout
142   *             11 : Error
143   *          b5     Peripheral initialization status
144   *             0  : Reset (Peripheral not initialized)
145   *             1  : Init done (Peripheral initialized. HAL UART Init function already called)
146   *          b4-b3  (not used)
147   *             xx : Should be set to 00
148   *          b2     Intrinsic process state
149   *             0  : Ready
150   *             1  : Busy (Peripheral busy with some configuration or internal operations)
151   *          b1     (not used)
152   *             x  : Should be set to 0
153   *          b0     Tx state
154   *             0  : Ready (no Tx operation ongoing)
155   *             1  : Busy (Tx operation ongoing)
156   *        - RxState contains information related to Rx operations.
157   *          RxState value coding follow below described bitmap :
158   *          b7-b6  (not used)
159   *             xx : Should be set to 00
160   *          b5     Peripheral initialization status
161   *             0  : Reset (Peripheral not initialized)
162   *             1  : Init done (Peripheral initialized)
163   *          b4-b2  (not used)
164   *            xxx : Should be set to 000
165   *          b1     Rx state
166   *             0  : Ready (no Rx operation ongoing)
167   *             1  : Busy (Rx operation ongoing)
168   *          b0     (not used)
169   *             x  : Should be set to 0.
170   */
171 typedef uint32_t HAL_UART_StateTypeDef;
172 
173 /**
174   * @brief UART clock sources definition
175   */
176 typedef enum
177 {
178   UART_CLOCKSOURCE_PCLK1      = 0x00U,    /*!< PCLK1 clock source  */
179   UART_CLOCKSOURCE_PCLK2      = 0x01U,    /*!< PCLK2 clock source  */
180   UART_CLOCKSOURCE_HSI        = 0x02U,    /*!< HSI clock source    */
181   UART_CLOCKSOURCE_SYSCLK     = 0x04U,    /*!< SYSCLK clock source */
182   UART_CLOCKSOURCE_LSE        = 0x08U,    /*!< LSE clock source       */
183   UART_CLOCKSOURCE_UNDEFINED  = 0x10U     /*!< Undefined clock source */
184 } UART_ClockSourceTypeDef;
185 
186 /**
187   * @brief HAL UART Reception type definition
188   * @note  HAL UART Reception type value aims to identify which type of Reception is ongoing.
189   *        This parameter can be a value of @ref UART_Reception_Type_Values :
190   *           HAL_UART_RECEPTION_STANDARD         = 0x00U,
191   *           HAL_UART_RECEPTION_TOIDLE           = 0x01U,
192   *           HAL_UART_RECEPTION_TORTO            = 0x02U,
193   *           HAL_UART_RECEPTION_TOCHARMATCH      = 0x03U,
194   */
195 typedef uint32_t HAL_UART_RxTypeTypeDef;
196 
197 /**
198   * @brief HAL UART Rx Event type definition
199   * @note  HAL UART Rx Event type value aims to identify which type of Event has occurred
200   *        leading to call of the RxEvent callback.
201   *        This parameter can be a value of @ref UART_RxEvent_Type_Values :
202   *           HAL_UART_RXEVENT_TC                 = 0x00U,
203   *           HAL_UART_RXEVENT_HT                 = 0x01U,
204   *           HAL_UART_RXEVENT_IDLE               = 0x02U,
205   */
206 typedef uint32_t HAL_UART_RxEventTypeTypeDef;
207 
208 /**
209   * @brief  UART handle Structure definition
210   */
211 typedef struct __UART_HandleTypeDef
212 {
213   USART_TypeDef            *Instance;                /*!< UART registers base address        */
214 
215   UART_InitTypeDef         Init;                     /*!< UART communication parameters      */
216 
217   UART_AdvFeatureInitTypeDef AdvancedInit;           /*!< UART Advanced Features initialization parameters */
218 
219   const uint8_t            *pTxBuffPtr;              /*!< Pointer to UART Tx transfer Buffer */
220 
221   uint16_t                 TxXferSize;               /*!< UART Tx Transfer size              */
222 
223   __IO uint16_t            TxXferCount;              /*!< UART Tx Transfer Counter           */
224 
225   uint8_t                  *pRxBuffPtr;              /*!< Pointer to UART Rx transfer Buffer */
226 
227   uint16_t                 RxXferSize;               /*!< UART Rx Transfer size              */
228 
229   __IO uint16_t            RxXferCount;              /*!< UART Rx Transfer Counter           */
230 
231   uint16_t                 Mask;                     /*!< UART Rx RDR register mask          */
232 
233   __IO HAL_UART_RxTypeTypeDef ReceptionType;         /*!< Type of ongoing reception          */
234 
235   __IO HAL_UART_RxEventTypeTypeDef RxEventType;      /*!< Type of Rx Event                   */
236 
237   void (*RxISR)(struct __UART_HandleTypeDef *huart); /*!< Function pointer on Rx IRQ handler */
238 
239   void (*TxISR)(struct __UART_HandleTypeDef *huart); /*!< Function pointer on Tx IRQ handler */
240 
241   DMA_HandleTypeDef        *hdmatx;                  /*!< UART Tx DMA Handle parameters      */
242 
243   DMA_HandleTypeDef        *hdmarx;                  /*!< UART Rx DMA Handle parameters      */
244 
245   HAL_LockTypeDef           Lock;                    /*!< Locking object                     */
246 
247   __IO HAL_UART_StateTypeDef    gState;              /*!< UART state information related to global Handle management
248                                                           and also related to Tx operations. This parameter
249                                                           can be a value of @ref HAL_UART_StateTypeDef */
250 
251   __IO HAL_UART_StateTypeDef    RxState;             /*!< UART state information related to Rx operations. This
252                                                           parameter can be a value of @ref HAL_UART_StateTypeDef */
253 
254   __IO uint32_t                 ErrorCode;           /*!< UART Error code                    */
255 
256 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
257   void (* TxHalfCpltCallback)(struct __UART_HandleTypeDef *huart);        /*!< UART Tx Half Complete Callback        */
258   void (* TxCpltCallback)(struct __UART_HandleTypeDef *huart);            /*!< UART Tx Complete Callback             */
259   void (* RxHalfCpltCallback)(struct __UART_HandleTypeDef *huart);        /*!< UART Rx Half Complete Callback        */
260   void (* RxCpltCallback)(struct __UART_HandleTypeDef *huart);            /*!< UART Rx Complete Callback             */
261   void (* ErrorCallback)(struct __UART_HandleTypeDef *huart);             /*!< UART Error Callback                   */
262   void (* AbortCpltCallback)(struct __UART_HandleTypeDef *huart);         /*!< UART Abort Complete Callback          */
263   void (* AbortTransmitCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Abort Transmit Complete Callback */
264   void (* AbortReceiveCpltCallback)(struct __UART_HandleTypeDef *huart);  /*!< UART Abort Receive Complete Callback  */
265 #if defined(USART_CR1_UESM)
266 #if defined(USART_CR3_WUFIE)
267   void (* WakeupCallback)(struct __UART_HandleTypeDef *huart);            /*!< UART Wakeup Callback                  */
268 #endif /* USART_CR3_WUFIE */
269 #endif /* USART_CR1_UESM */
270   void (* RxEventCallback)(struct __UART_HandleTypeDef *huart, uint16_t Pos); /*!< UART Reception Event Callback     */
271 
272   void (* MspInitCallback)(struct __UART_HandleTypeDef *huart);           /*!< UART Msp Init callback                */
273   void (* MspDeInitCallback)(struct __UART_HandleTypeDef *huart);         /*!< UART Msp DeInit callback              */
274 #endif  /* USE_HAL_UART_REGISTER_CALLBACKS */
275 
276 } UART_HandleTypeDef;
277 
278 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
279 /**
280   * @brief  HAL UART Callback ID enumeration definition
281   */
282 typedef enum
283 {
284   HAL_UART_TX_HALFCOMPLETE_CB_ID         = 0x00U,    /*!< UART Tx Half Complete Callback ID        */
285   HAL_UART_TX_COMPLETE_CB_ID             = 0x01U,    /*!< UART Tx Complete Callback ID             */
286   HAL_UART_RX_HALFCOMPLETE_CB_ID         = 0x02U,    /*!< UART Rx Half Complete Callback ID        */
287   HAL_UART_RX_COMPLETE_CB_ID             = 0x03U,    /*!< UART Rx Complete Callback ID             */
288   HAL_UART_ERROR_CB_ID                   = 0x04U,    /*!< UART Error Callback ID                   */
289   HAL_UART_ABORT_COMPLETE_CB_ID          = 0x05U,    /*!< UART Abort Complete Callback ID          */
290   HAL_UART_ABORT_TRANSMIT_COMPLETE_CB_ID = 0x06U,    /*!< UART Abort Transmit Complete Callback ID */
291   HAL_UART_ABORT_RECEIVE_COMPLETE_CB_ID  = 0x07U,    /*!< UART Abort Receive Complete Callback ID  */
292   HAL_UART_WAKEUP_CB_ID                  = 0x08U,    /*!< UART Wakeup Callback ID                  */
293 
294   HAL_UART_MSPINIT_CB_ID                 = 0x0BU,    /*!< UART MspInit callback ID                 */
295   HAL_UART_MSPDEINIT_CB_ID               = 0x0CU     /*!< UART MspDeInit callback ID               */
296 
297 } HAL_UART_CallbackIDTypeDef;
298 
299 /**
300   * @brief  HAL UART Callback pointer definition
301   */
302 typedef  void (*pUART_CallbackTypeDef)(UART_HandleTypeDef *huart); /*!< pointer to an UART callback function */
303 typedef  void (*pUART_RxEventCallbackTypeDef)
304 (struct __UART_HandleTypeDef *huart, uint16_t Pos); /*!< pointer to a UART Rx Event specific callback function */
305 
306 #endif /* USE_HAL_UART_REGISTER_CALLBACKS */
307 
308 /**
309   * @}
310   */
311 
312 /* Exported constants --------------------------------------------------------*/
313 /** @defgroup UART_Exported_Constants UART Exported Constants
314   * @{
315   */
316 
317 /** @defgroup UART_State_Definition UART State Code Definition
318   * @{
319   */
320 #define  HAL_UART_STATE_RESET         0x00000000U    /*!< Peripheral is not initialized
321                                                           Value is allowed for gState and RxState */
322 #define  HAL_UART_STATE_READY         0x00000020U    /*!< Peripheral Initialized and ready for use
323                                                           Value is allowed for gState and RxState */
324 #define  HAL_UART_STATE_BUSY          0x00000024U    /*!< an internal process is ongoing
325                                                           Value is allowed for gState only */
326 #define  HAL_UART_STATE_BUSY_TX       0x00000021U    /*!< Data Transmission process is ongoing
327                                                           Value is allowed for gState only */
328 #define  HAL_UART_STATE_BUSY_RX       0x00000022U    /*!< Data Reception process is ongoing
329                                                           Value is allowed for RxState only */
330 #define  HAL_UART_STATE_BUSY_TX_RX    0x00000023U    /*!< Data Transmission and Reception process is ongoing
331                                                           Not to be used for neither gState nor RxState.Value is result
332                                                           of combination (Or) between gState and RxState values */
333 #define  HAL_UART_STATE_TIMEOUT       0x000000A0U    /*!< Timeout state
334                                                           Value is allowed for gState only */
335 #define  HAL_UART_STATE_ERROR         0x000000E0U    /*!< Error
336                                                           Value is allowed for gState only */
337 /**
338   * @}
339   */
340 
341 /** @defgroup UART_Error_Definition   UART Error Definition
342   * @{
343   */
344 #define  HAL_UART_ERROR_NONE             (0x00000000U)    /*!< No error                */
345 #define  HAL_UART_ERROR_PE               (0x00000001U)    /*!< Parity error            */
346 #define  HAL_UART_ERROR_NE               (0x00000002U)    /*!< Noise error             */
347 #define  HAL_UART_ERROR_FE               (0x00000004U)    /*!< Frame error             */
348 #define  HAL_UART_ERROR_ORE              (0x00000008U)    /*!< Overrun error           */
349 #define  HAL_UART_ERROR_DMA              (0x00000010U)    /*!< DMA transfer error      */
350 #define  HAL_UART_ERROR_RTO              (0x00000020U)    /*!< Receiver Timeout error  */
351 
352 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
353 #define  HAL_UART_ERROR_INVALID_CALLBACK (0x00000040U)    /*!< Invalid Callback error  */
354 #endif /* USE_HAL_UART_REGISTER_CALLBACKS */
355 /**
356   * @}
357   */
358 
359 /** @defgroup UART_Stop_Bits   UART Number of Stop Bits
360   * @{
361   */
362 #define UART_STOPBITS_0_5                    USART_CR2_STOP_0                     /*!< UART frame with 0.5 stop bit  */
363 #define UART_STOPBITS_1                     0x00000000U                           /*!< UART frame with 1 stop bit    */
364 #define UART_STOPBITS_1_5                   (USART_CR2_STOP_0 | USART_CR2_STOP_1) /*!< UART frame with 1.5 stop bits */
365 #define UART_STOPBITS_2                      USART_CR2_STOP_1                     /*!< UART frame with 2 stop bits   */
366 /**
367   * @}
368   */
369 
370 /** @defgroup UART_Parity  UART Parity
371   * @{
372   */
373 #define UART_PARITY_NONE                    0x00000000U                        /*!< No parity   */
374 #define UART_PARITY_EVEN                    USART_CR1_PCE                      /*!< Even parity */
375 #define UART_PARITY_ODD                     (USART_CR1_PCE | USART_CR1_PS)     /*!< Odd parity  */
376 /**
377   * @}
378   */
379 
380 /** @defgroup UART_Hardware_Flow_Control UART Hardware Flow Control
381   * @{
382   */
383 #define UART_HWCONTROL_NONE                  0x00000000U                          /*!< No hardware control       */
384 #define UART_HWCONTROL_RTS                   USART_CR3_RTSE                       /*!< Request To Send           */
385 #define UART_HWCONTROL_CTS                   USART_CR3_CTSE                       /*!< Clear To Send             */
386 #define UART_HWCONTROL_RTS_CTS               (USART_CR3_RTSE | USART_CR3_CTSE)    /*!< Request and Clear To Send */
387 /**
388   * @}
389   */
390 
391 /** @defgroup UART_Mode UART Transfer Mode
392   * @{
393   */
394 #define UART_MODE_RX                        USART_CR1_RE                    /*!< RX mode        */
395 #define UART_MODE_TX                        USART_CR1_TE                    /*!< TX mode        */
396 #define UART_MODE_TX_RX                     (USART_CR1_TE |USART_CR1_RE)    /*!< RX and TX mode */
397 /**
398   * @}
399   */
400 
401 /** @defgroup UART_State  UART State
402   * @{
403   */
404 #define UART_STATE_DISABLE                  0x00000000U         /*!< UART disabled  */
405 #define UART_STATE_ENABLE                   USART_CR1_UE        /*!< UART enabled   */
406 /**
407   * @}
408   */
409 
410 /** @defgroup UART_Over_Sampling UART Over Sampling
411   * @{
412   */
413 #define UART_OVERSAMPLING_16                0x00000000U         /*!< Oversampling by 16 */
414 #define UART_OVERSAMPLING_8                 USART_CR1_OVER8     /*!< Oversampling by 8  */
415 /**
416   * @}
417   */
418 
419 /** @defgroup UART_OneBit_Sampling UART One Bit Sampling Method
420   * @{
421   */
422 #define UART_ONE_BIT_SAMPLE_DISABLE         0x00000000U         /*!< One-bit sampling disable */
423 #define UART_ONE_BIT_SAMPLE_ENABLE          USART_CR3_ONEBIT    /*!< One-bit sampling enable  */
424 /**
425   * @}
426   */
427 
428 /** @defgroup UART_AutoBaud_Rate_Mode    UART Advanced Feature AutoBaud Rate Mode
429   * @{
430   */
431 #define UART_ADVFEATURE_AUTOBAUDRATE_ONSTARTBIT    0x00000000U           /*!< Auto Baud rate detection
432                                                                               on start bit              */
433 #define UART_ADVFEATURE_AUTOBAUDRATE_ONFALLINGEDGE USART_CR2_ABRMODE_0   /*!< Auto Baud rate detection
434                                                                               on falling edge           */
435 #define UART_ADVFEATURE_AUTOBAUDRATE_ON0X7FFRAME   USART_CR2_ABRMODE_1   /*!< Auto Baud rate detection
436                                                                               on 0x7F frame detection   */
437 #define UART_ADVFEATURE_AUTOBAUDRATE_ON0X55FRAME   USART_CR2_ABRMODE     /*!< Auto Baud rate detection
438                                                                               on 0x55 frame detection   */
439 /**
440   * @}
441   */
442 
443 /** @defgroup UART_Receiver_Timeout UART Receiver Timeout
444   * @{
445   */
446 #define UART_RECEIVER_TIMEOUT_DISABLE       0x00000000U                /*!< UART Receiver Timeout disable */
447 #define UART_RECEIVER_TIMEOUT_ENABLE        USART_CR2_RTOEN            /*!< UART Receiver Timeout enable  */
448 /**
449   * @}
450   */
451 
452 /** @defgroup UART_LIN    UART Local Interconnection Network mode
453   * @{
454   */
455 #define UART_LIN_DISABLE                    0x00000000U                /*!< Local Interconnect Network disable */
456 #define UART_LIN_ENABLE                     USART_CR2_LINEN            /*!< Local Interconnect Network enable  */
457 /**
458   * @}
459   */
460 
461 /** @defgroup UART_LIN_Break_Detection  UART LIN Break Detection
462   * @{
463   */
464 #define UART_LINBREAKDETECTLENGTH_10B       0x00000000U                /*!< LIN 10-bit break detection length */
465 #define UART_LINBREAKDETECTLENGTH_11B       USART_CR2_LBDL             /*!< LIN 11-bit break detection length  */
466 /**
467   * @}
468   */
469 
470 /** @defgroup UART_DMA_Tx    UART DMA Tx
471   * @{
472   */
473 #define UART_DMA_TX_DISABLE                 0x00000000U                /*!< UART DMA TX disabled */
474 #define UART_DMA_TX_ENABLE                  USART_CR3_DMAT             /*!< UART DMA TX enabled  */
475 /**
476   * @}
477   */
478 
479 /** @defgroup UART_DMA_Rx   UART DMA Rx
480   * @{
481   */
482 #define UART_DMA_RX_DISABLE                 0x00000000U                 /*!< UART DMA RX disabled */
483 #define UART_DMA_RX_ENABLE                  USART_CR3_DMAR              /*!< UART DMA RX enabled  */
484 /**
485   * @}
486   */
487 
488 /** @defgroup UART_Half_Duplex_Selection  UART Half Duplex Selection
489   * @{
490   */
491 #define UART_HALF_DUPLEX_DISABLE            0x00000000U                 /*!< UART half-duplex disabled */
492 #define UART_HALF_DUPLEX_ENABLE             USART_CR3_HDSEL             /*!< UART half-duplex enabled  */
493 /**
494   * @}
495   */
496 
497 /** @defgroup UART_WakeUp_Methods   UART WakeUp Methods
498   * @{
499   */
500 #define UART_WAKEUPMETHOD_IDLELINE          0x00000000U                 /*!< UART wake-up on idle line    */
501 #define UART_WAKEUPMETHOD_ADDRESSMARK       USART_CR1_WAKE              /*!< UART wake-up on address mark */
502 /**
503   * @}
504   */
505 
506 /** @defgroup UART_Request_Parameters UART Request Parameters
507   * @{
508   */
509 #define UART_AUTOBAUD_REQUEST               USART_RQR_ABRRQ        /*!< Auto-Baud Rate Request      */
510 #define UART_SENDBREAK_REQUEST              USART_RQR_SBKRQ        /*!< Send Break Request          */
511 #define UART_MUTE_MODE_REQUEST              USART_RQR_MMRQ         /*!< Mute Mode Request           */
512 #define UART_RXDATA_FLUSH_REQUEST           USART_RQR_RXFRQ        /*!< Receive Data flush Request  */
513 #define UART_TXDATA_FLUSH_REQUEST           USART_RQR_TXFRQ        /*!< Transmit data flush Request */
514 /**
515   * @}
516   */
517 
518 /** @defgroup UART_Advanced_Features_Initialization_Type  UART Advanced Feature Initialization Type
519   * @{
520   */
521 #define UART_ADVFEATURE_NO_INIT                 0x00000000U          /*!< No advanced feature initialization       */
522 #define UART_ADVFEATURE_TXINVERT_INIT           0x00000001U          /*!< TX pin active level inversion            */
523 #define UART_ADVFEATURE_RXINVERT_INIT           0x00000002U          /*!< RX pin active level inversion            */
524 #define UART_ADVFEATURE_DATAINVERT_INIT         0x00000004U          /*!< Binary data inversion                    */
525 #define UART_ADVFEATURE_SWAP_INIT               0x00000008U          /*!< TX/RX pins swap                          */
526 #define UART_ADVFEATURE_RXOVERRUNDISABLE_INIT   0x00000010U          /*!< RX overrun disable                       */
527 #define UART_ADVFEATURE_DMADISABLEONERROR_INIT  0x00000020U          /*!< DMA disable on Reception Error           */
528 #define UART_ADVFEATURE_AUTOBAUDRATE_INIT       0x00000040U          /*!< Auto Baud rate detection initialization  */
529 #define UART_ADVFEATURE_MSBFIRST_INIT           0x00000080U          /*!< Most significant bit sent/received first */
530 /**
531   * @}
532   */
533 
534 /** @defgroup UART_Tx_Inv UART Advanced Feature TX Pin Active Level Inversion
535   * @{
536   */
537 #define UART_ADVFEATURE_TXINV_DISABLE       0x00000000U             /*!< TX pin active level inversion disable */
538 #define UART_ADVFEATURE_TXINV_ENABLE        USART_CR2_TXINV         /*!< TX pin active level inversion enable  */
539 /**
540   * @}
541   */
542 
543 /** @defgroup UART_Rx_Inv UART Advanced Feature RX Pin Active Level Inversion
544   * @{
545   */
546 #define UART_ADVFEATURE_RXINV_DISABLE       0x00000000U             /*!< RX pin active level inversion disable */
547 #define UART_ADVFEATURE_RXINV_ENABLE        USART_CR2_RXINV         /*!< RX pin active level inversion enable  */
548 /**
549   * @}
550   */
551 
552 /** @defgroup UART_Data_Inv  UART Advanced Feature Binary Data Inversion
553   * @{
554   */
555 #define UART_ADVFEATURE_DATAINV_DISABLE     0x00000000U             /*!< Binary data inversion disable */
556 #define UART_ADVFEATURE_DATAINV_ENABLE      USART_CR2_DATAINV       /*!< Binary data inversion enable  */
557 /**
558   * @}
559   */
560 
561 /** @defgroup UART_Rx_Tx_Swap UART Advanced Feature RX TX Pins Swap
562   * @{
563   */
564 #define UART_ADVFEATURE_SWAP_DISABLE        0x00000000U             /*!< TX/RX pins swap disable */
565 #define UART_ADVFEATURE_SWAP_ENABLE         USART_CR2_SWAP          /*!< TX/RX pins swap enable  */
566 /**
567   * @}
568   */
569 
570 /** @defgroup UART_Overrun_Disable  UART Advanced Feature Overrun Disable
571   * @{
572   */
573 #define UART_ADVFEATURE_OVERRUN_ENABLE      0x00000000U             /*!< RX overrun enable  */
574 #define UART_ADVFEATURE_OVERRUN_DISABLE     USART_CR3_OVRDIS        /*!< RX overrun disable */
575 /**
576   * @}
577   */
578 
579 /** @defgroup UART_AutoBaudRate_Enable  UART Advanced Feature Auto BaudRate Enable
580   * @{
581   */
582 #define UART_ADVFEATURE_AUTOBAUDRATE_DISABLE   0x00000000U          /*!< RX Auto Baud rate detection enable  */
583 #define UART_ADVFEATURE_AUTOBAUDRATE_ENABLE    USART_CR2_ABREN      /*!< RX Auto Baud rate detection disable */
584 /**
585   * @}
586   */
587 
588 /** @defgroup UART_DMA_Disable_on_Rx_Error   UART Advanced Feature DMA Disable On Rx Error
589   * @{
590   */
591 #define UART_ADVFEATURE_DMA_ENABLEONRXERROR    0x00000000U          /*!< DMA enable on Reception Error  */
592 #define UART_ADVFEATURE_DMA_DISABLEONRXERROR   USART_CR3_DDRE       /*!< DMA disable on Reception Error */
593 /**
594   * @}
595   */
596 
597 /** @defgroup UART_MSB_First   UART Advanced Feature MSB First
598   * @{
599   */
600 #define UART_ADVFEATURE_MSBFIRST_DISABLE    0x00000000U             /*!< Most significant bit sent/received
601                                                                          first disable                      */
602 #define UART_ADVFEATURE_MSBFIRST_ENABLE     USART_CR2_MSBFIRST      /*!< Most significant bit sent/received
603                                                                          first enable                       */
604 /**
605   * @}
606   */
607 #if defined(USART_CR1_UESM)
608 
609 /** @defgroup UART_Stop_Mode_Enable   UART Advanced Feature Stop Mode Enable
610   * @{
611   */
612 #define UART_ADVFEATURE_STOPMODE_DISABLE    0x00000000U             /*!< UART stop mode disable */
613 #define UART_ADVFEATURE_STOPMODE_ENABLE     USART_CR1_UESM          /*!< UART stop mode enable  */
614 /**
615   * @}
616   */
617 #endif /* USART_CR1_UESM */
618 
619 /** @defgroup UART_Mute_Mode   UART Advanced Feature Mute Mode Enable
620   * @{
621   */
622 #define UART_ADVFEATURE_MUTEMODE_DISABLE    0x00000000U             /*!< UART mute mode disable */
623 #define UART_ADVFEATURE_MUTEMODE_ENABLE     USART_CR1_MME           /*!< UART mute mode enable  */
624 /**
625   * @}
626   */
627 
628 /** @defgroup UART_CR2_ADDRESS_LSB_POS    UART Address-matching LSB Position In CR2 Register
629   * @{
630   */
631 #define UART_CR2_ADDRESS_LSB_POS             24U             /*!< UART address-matching LSB position in CR2 register */
632 /**
633   * @}
634   */
635 #if defined(USART_CR1_UESM)
636 
637 /** @defgroup UART_WakeUp_from_Stop_Selection   UART WakeUp From Stop Selection
638   * @{
639   */
640 #if defined(USART_CR3_WUS)
641 #define UART_WAKEUP_ON_ADDRESS              0x00000000U             /*!< UART wake-up on address                     */
642 #define UART_WAKEUP_ON_STARTBIT             USART_CR3_WUS_1         /*!< UART wake-up on start bit                   */
643 #define UART_WAKEUP_ON_READDATA_NONEMPTY    USART_CR3_WUS           /*!< UART wake-up on receive data register
644                                                                          not empty or RXFIFO is not empty            */
645 #else
646 #define UART_WAKEUP_ON_ADDRESS              0x00000000U             /*!< UART wake-up on address                     */
647 #define UART_WAKEUP_ON_READDATA_NONEMPTY    0x00000001U             /*!< UART wake-up on receive data register
648                                                                          not empty or RXFIFO is not empty            */
649 #endif /* USART_CR3_WUS */
650 /**
651   * @}
652   */
653 #endif /* USART_CR1_UESM */
654 
655 /** @defgroup UART_DriverEnable_Polarity      UART DriverEnable Polarity
656   * @{
657   */
658 #define UART_DE_POLARITY_HIGH               0x00000000U             /*!< Driver enable signal is active high */
659 #define UART_DE_POLARITY_LOW                USART_CR3_DEP           /*!< Driver enable signal is active low  */
660 /**
661   * @}
662   */
663 
664 /** @defgroup UART_CR1_DEAT_ADDRESS_LSB_POS    UART Driver Enable Assertion Time LSB Position In CR1 Register
665   * @{
666   */
667 #define UART_CR1_DEAT_ADDRESS_LSB_POS       21U      /*!< UART Driver Enable assertion time LSB
668                                                           position in CR1 register */
669 /**
670   * @}
671   */
672 
673 /** @defgroup UART_CR1_DEDT_ADDRESS_LSB_POS    UART Driver Enable DeAssertion Time LSB Position In CR1 Register
674   * @{
675   */
676 #define UART_CR1_DEDT_ADDRESS_LSB_POS       16U      /*!< UART Driver Enable de-assertion time LSB
677                                                           position in CR1 register */
678 /**
679   * @}
680   */
681 
682 /** @defgroup UART_Interruption_Mask    UART Interruptions Flag Mask
683   * @{
684   */
685 #define UART_IT_MASK                        0x001FU  /*!< UART interruptions flags mask */
686 /**
687   * @}
688   */
689 
690 /** @defgroup UART_TimeOut_Value    UART polling-based communications time-out value
691   * @{
692   */
693 #define HAL_UART_TIMEOUT_VALUE              0x1FFFFFFU  /*!< UART polling-based communications time-out value */
694 /**
695   * @}
696   */
697 
698 /** @defgroup UART_Flags     UART Status Flags
699   *        Elements values convention: 0xXXXX
700   *           - 0xXXXX  : Flag mask in the ISR register
701   * @{
702   */
703 #if defined(USART_ISR_REACK)
704 #define UART_FLAG_REACK                     USART_ISR_REACK         /*!< UART receive enable acknowledge flag      */
705 #endif /* USART_ISR_REACK */
706 #define UART_FLAG_TEACK                     USART_ISR_TEACK         /*!< UART transmit enable acknowledge flag     */
707 #if defined(USART_CR1_UESM)
708 #if defined(USART_CR3_WUFIE)
709 #define UART_FLAG_WUF                       USART_ISR_WUF           /*!< UART wake-up from stop mode flag          */
710 #endif /* USART_CR3_WUFIE */
711 #endif /* USART_CR1_UESM */
712 #define UART_FLAG_RWU                       USART_ISR_RWU           /*!< UART receiver wake-up from mute mode flag */
713 #define UART_FLAG_SBKF                      USART_ISR_SBKF          /*!< UART send break flag                      */
714 #define UART_FLAG_CMF                       USART_ISR_CMF           /*!< UART character match flag                 */
715 #define UART_FLAG_BUSY                      USART_ISR_BUSY          /*!< UART busy flag                            */
716 #define UART_FLAG_ABRF                      USART_ISR_ABRF          /*!< UART auto Baud rate flag                  */
717 #define UART_FLAG_ABRE                      USART_ISR_ABRE          /*!< UART auto Baud rate error                 */
718 #define UART_FLAG_RTOF                      USART_ISR_RTOF          /*!< UART receiver timeout flag                */
719 #define UART_FLAG_CTS                       USART_ISR_CTS           /*!< UART clear to send flag                   */
720 #define UART_FLAG_CTSIF                     USART_ISR_CTSIF         /*!< UART clear to send interrupt flag         */
721 #define UART_FLAG_LBDF                      USART_ISR_LBDF          /*!< UART LIN break detection flag             */
722 #define UART_FLAG_TXE                       USART_ISR_TXE           /*!< UART transmit data register empty         */
723 #define UART_FLAG_TC                        USART_ISR_TC            /*!< UART transmission complete                */
724 #define UART_FLAG_RXNE                      USART_ISR_RXNE          /*!< UART read data register not empty         */
725 #define UART_FLAG_IDLE                      USART_ISR_IDLE          /*!< UART idle flag                            */
726 #define UART_FLAG_ORE                       USART_ISR_ORE           /*!< UART overrun error                        */
727 #define UART_FLAG_NE                        USART_ISR_NE            /*!< UART noise error                          */
728 #define UART_FLAG_FE                        USART_ISR_FE            /*!< UART frame error                          */
729 #define UART_FLAG_PE                        USART_ISR_PE            /*!< UART parity error                         */
730 /**
731   * @}
732   */
733 
734 /** @defgroup UART_Interrupt_definition   UART Interrupts Definition
735   *        Elements values convention: 000ZZZZZ0XXYYYYYb
736   *           - YYYYY  : Interrupt source position in the XX register (5bits)
737   *           - XX  : Interrupt source register (2bits)
738   *                 - 01: CR1 register
739   *                 - 10: CR2 register
740   *                 - 11: CR3 register
741   *           - ZZZZZ  : Flag position in the ISR register(5bits)
742   *        Elements values convention: 000000000XXYYYYYb
743   *           - YYYYY  : Interrupt source position in the XX register (5bits)
744   *           - XX  : Interrupt source register (2bits)
745   *                 - 01: CR1 register
746   *                 - 10: CR2 register
747   *                 - 11: CR3 register
748   *        Elements values convention: 0000ZZZZ00000000b
749   *           - ZZZZ  : Flag position in the ISR register(4bits)
750   * @{
751   */
752 #define UART_IT_PE                          0x0028U              /*!< UART parity error interruption                 */
753 #define UART_IT_TXE                         0x0727U              /*!< UART transmit data register empty interruption */
754 #define UART_IT_TC                          0x0626U              /*!< UART transmission complete interruption        */
755 #define UART_IT_RXNE                        0x0525U              /*!< UART read data register not empty interruption */
756 #define UART_IT_IDLE                        0x0424U              /*!< UART idle interruption                         */
757 #define UART_IT_LBD                         0x0846U              /*!< UART LIN break detection interruption          */
758 #define UART_IT_CTS                         0x096AU              /*!< UART CTS interruption                          */
759 #define UART_IT_CM                          0x112EU              /*!< UART character match interruption              */
760 #if defined(USART_CR1_UESM)
761 #if defined(USART_CR3_WUFIE)
762 #define UART_IT_WUF                         0x1476U              /*!< UART wake-up from stop mode interruption       */
763 #endif /* USART_CR3_WUFIE */
764 #endif /* USART_CR1_UESM */
765 #define UART_IT_RTO                         0x0B3AU              /*!< UART receiver timeout interruption             */
766 
767 #define UART_IT_ERR                         0x0060U              /*!< UART error interruption                        */
768 
769 #define UART_IT_ORE                         0x0300U              /*!< UART overrun error interruption                */
770 #define UART_IT_NE                          0x0200U              /*!< UART noise error interruption                  */
771 #define UART_IT_FE                          0x0100U              /*!< UART frame error interruption                  */
772 /**
773   * @}
774   */
775 
776 /** @defgroup UART_IT_CLEAR_Flags  UART Interruption Clear Flags
777   * @{
778   */
779 #define UART_CLEAR_PEF                       USART_ICR_PECF            /*!< Parity Error Clear Flag           */
780 #define UART_CLEAR_FEF                       USART_ICR_FECF            /*!< Framing Error Clear Flag          */
781 #define UART_CLEAR_NEF                       USART_ICR_NCF             /*!< Noise Error detected Clear Flag   */
782 #define UART_CLEAR_OREF                      USART_ICR_ORECF           /*!< Overrun Error Clear Flag          */
783 #define UART_CLEAR_IDLEF                     USART_ICR_IDLECF          /*!< IDLE line detected Clear Flag     */
784 #define UART_CLEAR_TCF                       USART_ICR_TCCF            /*!< Transmission Complete Clear Flag  */
785 #define UART_CLEAR_LBDF                      USART_ICR_LBDCF           /*!< LIN Break Detection Clear Flag    */
786 #define UART_CLEAR_CTSF                      USART_ICR_CTSCF           /*!< CTS Interrupt Clear Flag          */
787 #define UART_CLEAR_CMF                       USART_ICR_CMCF            /*!< Character Match Clear Flag        */
788 #if defined(USART_CR1_UESM)
789 #if defined(USART_CR3_WUFIE)
790 #define UART_CLEAR_WUF                       USART_ICR_WUCF            /*!< Wake Up from stop mode Clear Flag */
791 #endif /* USART_CR3_WUFIE */
792 #endif /* USART_CR1_UESM */
793 #define UART_CLEAR_RTOF                      USART_ICR_RTOCF           /*!< UART receiver timeout clear flag  */
794 /**
795   * @}
796   */
797 
798 /** @defgroup UART_Reception_Type_Values  UART Reception type values
799   * @{
800   */
801 #define HAL_UART_RECEPTION_STANDARD          (0x00000000U)             /*!< Standard reception                       */
802 #define HAL_UART_RECEPTION_TOIDLE            (0x00000001U)             /*!< Reception till completion or IDLE event  */
803 #define HAL_UART_RECEPTION_TORTO             (0x00000002U)             /*!< Reception till completion or RTO event   */
804 #define HAL_UART_RECEPTION_TOCHARMATCH       (0x00000003U)             /*!< Reception till completion or CM event    */
805 /**
806   * @}
807   */
808 
809 /** @defgroup UART_RxEvent_Type_Values  UART RxEvent type values
810   * @{
811   */
812 #define HAL_UART_RXEVENT_TC                  (0x00000000U)             /*!< RxEvent linked to Transfer Complete event */
813 #define HAL_UART_RXEVENT_HT                  (0x00000001U)             /*!< RxEvent linked to Half Transfer event     */
814 #define HAL_UART_RXEVENT_IDLE                (0x00000002U)             /*!< RxEvent linked to IDLE event              */
815 /**
816   * @}
817   */
818 
819 /**
820   * @}
821   */
822 
823 /* Exported macros -----------------------------------------------------------*/
824 /** @defgroup UART_Exported_Macros UART Exported Macros
825   * @{
826   */
827 
828 /** @brief  Reset UART handle states.
829   * @param  __HANDLE__ UART handle.
830   * @retval None
831   */
832 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
833 #define __HAL_UART_RESET_HANDLE_STATE(__HANDLE__)  do{                                                   \
834                                                        (__HANDLE__)->gState = HAL_UART_STATE_RESET;      \
835                                                        (__HANDLE__)->RxState = HAL_UART_STATE_RESET;     \
836                                                        (__HANDLE__)->MspInitCallback = NULL;             \
837                                                        (__HANDLE__)->MspDeInitCallback = NULL;           \
838                                                      } while(0U)
839 #else
840 #define __HAL_UART_RESET_HANDLE_STATE(__HANDLE__)  do{                                                   \
841                                                        (__HANDLE__)->gState = HAL_UART_STATE_RESET;      \
842                                                        (__HANDLE__)->RxState = HAL_UART_STATE_RESET;     \
843                                                      } while(0U)
844 #endif /*USE_HAL_UART_REGISTER_CALLBACKS */
845 
846 /** @brief  Flush the UART Data registers.
847   * @param  __HANDLE__ specifies the UART Handle.
848   * @retval None
849   */
850 #define __HAL_UART_FLUSH_DRREGISTER(__HANDLE__)  \
851   do{                \
852     SET_BIT((__HANDLE__)->Instance->RQR, UART_RXDATA_FLUSH_REQUEST); \
853     SET_BIT((__HANDLE__)->Instance->RQR, UART_TXDATA_FLUSH_REQUEST); \
854   }  while(0U)
855 
856 /** @brief  Clear the specified UART pending flag.
857   * @param  __HANDLE__ specifies the UART Handle.
858   * @param  __FLAG__ specifies the flag to check.
859   *          This parameter can be any combination of the following values:
860   *            @arg @ref UART_CLEAR_PEF      Parity Error Clear Flag
861   *            @arg @ref UART_CLEAR_FEF      Framing Error Clear Flag
862   *            @arg @ref UART_CLEAR_NEF      Noise detected Clear Flag
863   *            @arg @ref UART_CLEAR_OREF     Overrun Error Clear Flag
864   *            @arg @ref UART_CLEAR_IDLEF    IDLE line detected Clear Flag
865   *            @arg @ref UART_CLEAR_TCF      Transmission Complete Clear Flag
866   *            @arg @ref UART_CLEAR_RTOF     Receiver Timeout clear flag
867   *            @arg @ref UART_CLEAR_LBDF     LIN Break Detection Clear Flag
868   *            @arg @ref UART_CLEAR_CTSF     CTS Interrupt Clear Flag
869   *            @arg @ref UART_CLEAR_CMF      Character Match Clear Flag
870 #if defined(USART_CR1_UESM)
871 #if defined(USART_CR3_WUFIE)
872   *            @arg @ref UART_CLEAR_WUF      Wake Up from stop mode Clear Flag
873 #endif
874 #endif
875   * @retval None
876   */
877 #define __HAL_UART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->ICR = (__FLAG__))
878 
879 /** @brief  Clear the UART PE pending flag.
880   * @param  __HANDLE__ specifies the UART Handle.
881   * @retval None
882   */
883 #define __HAL_UART_CLEAR_PEFLAG(__HANDLE__)   __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_PEF)
884 
885 /** @brief  Clear the UART FE pending flag.
886   * @param  __HANDLE__ specifies the UART Handle.
887   * @retval None
888   */
889 #define __HAL_UART_CLEAR_FEFLAG(__HANDLE__)   __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_FEF)
890 
891 /** @brief  Clear the UART NE pending flag.
892   * @param  __HANDLE__ specifies the UART Handle.
893   * @retval None
894   */
895 #define __HAL_UART_CLEAR_NEFLAG(__HANDLE__)  __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_NEF)
896 
897 /** @brief  Clear the UART ORE pending flag.
898   * @param  __HANDLE__ specifies the UART Handle.
899   * @retval None
900   */
901 #define __HAL_UART_CLEAR_OREFLAG(__HANDLE__)   __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_OREF)
902 
903 /** @brief  Clear the UART IDLE pending flag.
904   * @param  __HANDLE__ specifies the UART Handle.
905   * @retval None
906   */
907 #define __HAL_UART_CLEAR_IDLEFLAG(__HANDLE__)   __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_IDLEF)
908 
909 
910 /** @brief  Check whether the specified UART flag is set or not.
911   * @param  __HANDLE__ specifies the UART Handle.
912   * @param  __FLAG__ specifies the flag to check.
913   *        This parameter can be one of the following values:
914 #if defined(USART_ISR_REACK)
915   *            @arg @ref UART_FLAG_REACK Receive enable acknowledge flag
916 #endif
917   *            @arg @ref UART_FLAG_TEACK Transmit enable acknowledge flag
918 #if defined(USART_CR1_UESM)
919 #if defined(USART_CR3_WUFIE)
920   *            @arg @ref UART_FLAG_WUF   Wake up from stop mode flag
921 #endif
922 #endif
923   *            @arg @ref UART_FLAG_RWU   Receiver wake up flag (if the UART in mute mode)
924   *            @arg @ref UART_FLAG_SBKF  Send Break flag
925   *            @arg @ref UART_FLAG_CMF   Character match flag
926   *            @arg @ref UART_FLAG_BUSY  Busy flag
927   *            @arg @ref UART_FLAG_ABRF  Auto Baud rate detection flag
928   *            @arg @ref UART_FLAG_ABRE  Auto Baud rate detection error flag
929   *            @arg @ref UART_FLAG_CTS   CTS Change flag
930   *            @arg @ref UART_FLAG_LBDF  LIN Break detection flag
931   *            @arg @ref UART_FLAG_TXE   Transmit data register empty flag
932   *            @arg @ref UART_FLAG_TC    Transmission Complete flag
933   *            @arg @ref UART_FLAG_RXNE  Receive data register not empty flag
934   *            @arg @ref UART_FLAG_RTOF  Receiver Timeout flag
935   *            @arg @ref UART_FLAG_IDLE  Idle Line detection flag
936   *            @arg @ref UART_FLAG_ORE   Overrun Error flag
937   *            @arg @ref UART_FLAG_NE    Noise Error flag
938   *            @arg @ref UART_FLAG_FE    Framing Error flag
939   *            @arg @ref UART_FLAG_PE    Parity Error flag
940   * @retval The new state of __FLAG__ (TRUE or FALSE).
941   */
942 #define __HAL_UART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->ISR & (__FLAG__)) == (__FLAG__))
943 
944 /** @brief  Enable the specified UART interrupt.
945   * @param  __HANDLE__ specifies the UART Handle.
946   * @param  __INTERRUPT__ specifies the UART interrupt source to enable.
947   *          This parameter can be one of the following values:
948 #if defined(USART_CR1_UESM)
949 #if defined(USART_CR3_WUFIE)
950   *            @arg @ref UART_IT_WUF   Wakeup from stop mode interrupt
951 #endif
952 #endif
953   *            @arg @ref UART_IT_CM    Character match interrupt
954   *            @arg @ref UART_IT_CTS   CTS change interrupt
955   *            @arg @ref UART_IT_LBD   LIN Break detection interrupt
956   *            @arg @ref UART_IT_TXE   Transmit Data Register empty interrupt
957   *            @arg @ref UART_IT_TC    Transmission complete interrupt
958   *            @arg @ref UART_IT_RXNE  Receive Data register not empty interrupt
959   *            @arg @ref UART_IT_RTO   Receive Timeout interrupt
960   *            @arg @ref UART_IT_IDLE  Idle line detection interrupt
961   *            @arg @ref UART_IT_PE    Parity Error interrupt
962   *            @arg @ref UART_IT_ERR   Error interrupt (frame error, noise error, overrun error)
963   * @retval None
964   */
965 #define __HAL_UART_ENABLE_IT(__HANDLE__, __INTERRUPT__)   (\
966                                                            ((((uint8_t)(__INTERRUPT__)) >> 5U) == 1U)?\
967                                                            ((__HANDLE__)->Instance->CR1 |= (1U <<\
968                                                                ((__INTERRUPT__) & UART_IT_MASK))): \
969                                                            ((((uint8_t)(__INTERRUPT__)) >> 5U) == 2U)?\
970                                                            ((__HANDLE__)->Instance->CR2 |= (1U <<\
971                                                                ((__INTERRUPT__) & UART_IT_MASK))): \
972                                                            ((__HANDLE__)->Instance->CR3 |= (1U <<\
973                                                                ((__INTERRUPT__) & UART_IT_MASK))))
974 
975 /** @brief  Disable the specified UART interrupt.
976   * @param  __HANDLE__ specifies the UART Handle.
977   * @param  __INTERRUPT__ specifies the UART interrupt source to disable.
978   *          This parameter can be one of the following values:
979 #if defined(USART_CR1_UESM)
980 #if defined(USART_CR3_WUFIE)
981   *            @arg @ref UART_IT_WUF   Wakeup from stop mode interrupt
982 #endif
983 #endif
984   *            @arg @ref UART_IT_CM    Character match interrupt
985   *            @arg @ref UART_IT_CTS   CTS change interrupt
986   *            @arg @ref UART_IT_LBD   LIN Break detection interrupt
987   *            @arg @ref UART_IT_TXE   Transmit Data Register empty interrupt
988   *            @arg @ref UART_IT_TC    Transmission complete interrupt
989   *            @arg @ref UART_IT_RXNE  Receive Data register not empty interrupt
990   *            @arg @ref UART_IT_RTO   Receive Timeout interrupt
991   *            @arg @ref UART_IT_IDLE  Idle line detection interrupt
992   *            @arg @ref UART_IT_PE    Parity Error interrupt
993   *            @arg @ref UART_IT_ERR   Error interrupt (Frame error, noise error, overrun error)
994   * @retval None
995   */
996 #define __HAL_UART_DISABLE_IT(__HANDLE__, __INTERRUPT__)  (\
997                                                            ((((uint8_t)(__INTERRUPT__)) >> 5U) == 1U)?\
998                                                            ((__HANDLE__)->Instance->CR1 &= ~ (1U <<\
999                                                                ((__INTERRUPT__) & UART_IT_MASK))): \
1000                                                            ((((uint8_t)(__INTERRUPT__)) >> 5U) == 2U)?\
1001                                                            ((__HANDLE__)->Instance->CR2 &= ~ (1U <<\
1002                                                                ((__INTERRUPT__) & UART_IT_MASK))): \
1003                                                            ((__HANDLE__)->Instance->CR3 &= ~ (1U <<\
1004                                                                ((__INTERRUPT__) & UART_IT_MASK))))
1005 
1006 /** @brief  Check whether the specified UART interrupt has occurred or not.
1007   * @param  __HANDLE__ specifies the UART Handle.
1008   * @param  __INTERRUPT__ specifies the UART interrupt to check.
1009   *          This parameter can be one of the following values:
1010 #if defined(USART_CR1_UESM)
1011 #if defined(USART_CR3_WUFIE)
1012   *            @arg @ref UART_IT_WUF   Wakeup from stop mode interrupt
1013 #endif
1014 #endif
1015   *            @arg @ref UART_IT_CM    Character match interrupt
1016   *            @arg @ref UART_IT_CTS   CTS change interrupt
1017   *            @arg @ref UART_IT_LBD   LIN Break detection interrupt
1018   *            @arg @ref UART_IT_TXE   Transmit Data Register empty interrupt
1019   *            @arg @ref UART_IT_TC    Transmission complete interrupt
1020   *            @arg @ref UART_IT_RXNE  Receive Data register not empty interrupt
1021   *            @arg @ref UART_IT_RTO   Receive Timeout interrupt
1022   *            @arg @ref UART_IT_IDLE  Idle line detection interrupt
1023   *            @arg @ref UART_IT_PE    Parity Error interrupt
1024   *            @arg @ref UART_IT_ERR   Error interrupt (Frame error, noise error, overrun error)
1025   * @retval The new state of __INTERRUPT__ (SET or RESET).
1026   */
1027 #define __HAL_UART_GET_IT(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->ISR\
1028                                                         & (1U << ((__INTERRUPT__)>> 8U))) != RESET) ? SET : RESET)
1029 
1030 /** @brief  Check whether the specified UART interrupt source is enabled or not.
1031   * @param  __HANDLE__ specifies the UART Handle.
1032   * @param  __INTERRUPT__ specifies the UART interrupt source to check.
1033   *          This parameter can be one of the following values:
1034 #if defined(USART_CR1_UESM)
1035 #if defined(USART_CR3_WUFIE)
1036   *            @arg @ref UART_IT_WUF   Wakeup from stop mode interrupt
1037 #endif
1038 #endif
1039   *            @arg @ref UART_IT_CM    Character match interrupt
1040   *            @arg @ref UART_IT_CTS   CTS change interrupt
1041   *            @arg @ref UART_IT_LBD   LIN Break detection interrupt
1042   *            @arg @ref UART_IT_TXE   Transmit Data Register empty interrupt
1043   *            @arg @ref UART_IT_TC    Transmission complete interrupt
1044   *            @arg @ref UART_IT_RXNE  Receive Data register not empty interrupt
1045   *            @arg @ref UART_IT_RTO   Receive Timeout interrupt
1046   *            @arg @ref UART_IT_IDLE  Idle line detection interrupt
1047   *            @arg @ref UART_IT_PE    Parity Error interrupt
1048   *            @arg @ref UART_IT_ERR   Error interrupt (Frame error, noise error, overrun error)
1049   * @retval The new state of __INTERRUPT__ (SET or RESET).
1050   */
1051 #define __HAL_UART_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((((((uint8_t)(__INTERRUPT__)) >> 5U) == 1U) ?\
1052                                                                 (__HANDLE__)->Instance->CR1 : \
1053                                                                 (((((uint8_t)(__INTERRUPT__)) >> 5U) == 2U) ?\
1054                                                                  (__HANDLE__)->Instance->CR2 : \
1055                                                                  (__HANDLE__)->Instance->CR3)) & (1U <<\
1056                                                                      (((uint16_t)(__INTERRUPT__)) &\
1057                                                                       UART_IT_MASK)))  != RESET) ? SET : RESET)
1058 
1059 /** @brief  Clear the specified UART ISR flag, in setting the proper ICR register flag.
1060   * @param  __HANDLE__ specifies the UART Handle.
1061   * @param  __IT_CLEAR__ specifies the interrupt clear register flag that needs to be set
1062   *                       to clear the corresponding interrupt
1063   *          This parameter can be one of the following values:
1064   *            @arg @ref UART_CLEAR_PEF    Parity Error Clear Flag
1065   *            @arg @ref UART_CLEAR_FEF    Framing Error Clear Flag
1066   *            @arg @ref UART_CLEAR_NEF    Noise detected Clear Flag
1067   *            @arg @ref UART_CLEAR_OREF   Overrun Error Clear Flag
1068   *            @arg @ref UART_CLEAR_IDLEF  IDLE line detected Clear Flag
1069   *            @arg @ref UART_CLEAR_RTOF   Receiver timeout clear flag
1070   *            @arg @ref UART_CLEAR_TCF    Transmission Complete Clear Flag
1071   *            @arg @ref UART_CLEAR_LBDF   LIN Break Detection Clear Flag
1072   *            @arg @ref UART_CLEAR_CTSF   CTS Interrupt Clear Flag
1073   *            @arg @ref UART_CLEAR_CMF    Character Match Clear Flag
1074 #if defined(USART_CR1_UESM)
1075 #if defined(USART_CR3_WUFIE)
1076   *            @arg @ref UART_CLEAR_WUF    Wake Up from stop mode Clear Flag
1077 #endif
1078 #endif
1079   * @retval None
1080   */
1081 #define __HAL_UART_CLEAR_IT(__HANDLE__, __IT_CLEAR__) ((__HANDLE__)->Instance->ICR = (uint32_t)(__IT_CLEAR__))
1082 
1083 /** @brief  Set a specific UART request flag.
1084   * @param  __HANDLE__ specifies the UART Handle.
1085   * @param  __REQ__ specifies the request flag to set
1086   *          This parameter can be one of the following values:
1087   *            @arg @ref UART_AUTOBAUD_REQUEST Auto-Baud Rate Request
1088   *            @arg @ref UART_SENDBREAK_REQUEST Send Break Request
1089   *            @arg @ref UART_MUTE_MODE_REQUEST Mute Mode Request
1090   *            @arg @ref UART_RXDATA_FLUSH_REQUEST Receive Data flush Request
1091   *            @arg @ref UART_TXDATA_FLUSH_REQUEST Transmit data flush Request
1092   * @retval None
1093   */
1094 #define __HAL_UART_SEND_REQ(__HANDLE__, __REQ__) ((__HANDLE__)->Instance->RQR |= (uint16_t)(__REQ__))
1095 
1096 /** @brief  Enable the UART one bit sample method.
1097   * @param  __HANDLE__ specifies the UART Handle.
1098   * @retval None
1099   */
1100 #define __HAL_UART_ONE_BIT_SAMPLE_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3|= USART_CR3_ONEBIT)
1101 
1102 /** @brief  Disable the UART one bit sample method.
1103   * @param  __HANDLE__ specifies the UART Handle.
1104   * @retval None
1105   */
1106 #define __HAL_UART_ONE_BIT_SAMPLE_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 &= ~USART_CR3_ONEBIT)
1107 
1108 /** @brief  Enable UART.
1109   * @param  __HANDLE__ specifies the UART Handle.
1110   * @retval None
1111   */
1112 #define __HAL_UART_ENABLE(__HANDLE__)                   ((__HANDLE__)->Instance->CR1 |= USART_CR1_UE)
1113 
1114 /** @brief  Disable UART.
1115   * @param  __HANDLE__ specifies the UART Handle.
1116   * @retval None
1117   */
1118 #define __HAL_UART_DISABLE(__HANDLE__)                  ((__HANDLE__)->Instance->CR1 &= ~USART_CR1_UE)
1119 
1120 /** @brief  Enable CTS flow control.
1121   * @note   This macro allows to enable CTS hardware flow control for a given UART instance,
1122   *         without need to call HAL_UART_Init() function.
1123   *         As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
1124   * @note   As macro is expected to be used for modifying CTS Hw flow control feature activation, without need
1125   *         for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
1126   *           - UART instance should have already been initialised (through call of HAL_UART_Init() )
1127   *           - macro could only be called when corresponding UART instance is disabled
1128   *             (i.e. __HAL_UART_DISABLE(__HANDLE__)) and should be followed by an Enable
1129   *              macro (i.e. __HAL_UART_ENABLE(__HANDLE__)).
1130   * @param  __HANDLE__ specifies the UART Handle.
1131   * @retval None
1132   */
1133 #define __HAL_UART_HWCONTROL_CTS_ENABLE(__HANDLE__)               \
1134   do{                                                             \
1135     ATOMIC_SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE);  \
1136     (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_CTSE;               \
1137   } while(0U)
1138 
1139 /** @brief  Disable CTS flow control.
1140   * @note   This macro allows to disable CTS hardware flow control for a given UART instance,
1141   *         without need to call HAL_UART_Init() function.
1142   *         As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
1143   * @note   As macro is expected to be used for modifying CTS Hw flow control feature activation, without need
1144   *         for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
1145   *           - UART instance should have already been initialised (through call of HAL_UART_Init() )
1146   *           - macro could only be called when corresponding UART instance is disabled
1147   *             (i.e. __HAL_UART_DISABLE(__HANDLE__)) and should be followed by an Enable
1148   *              macro (i.e. __HAL_UART_ENABLE(__HANDLE__)).
1149   * @param  __HANDLE__ specifies the UART Handle.
1150   * @retval None
1151   */
1152 #define __HAL_UART_HWCONTROL_CTS_DISABLE(__HANDLE__)               \
1153   do{                                                              \
1154     ATOMIC_CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE); \
1155     (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_CTSE);             \
1156   } while(0U)
1157 
1158 /** @brief  Enable RTS flow control.
1159   * @note   This macro allows to enable RTS hardware flow control for a given UART instance,
1160   *         without need to call HAL_UART_Init() function.
1161   *         As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
1162   * @note   As macro is expected to be used for modifying RTS Hw flow control feature activation, without need
1163   *         for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
1164   *           - UART instance should have already been initialised (through call of HAL_UART_Init() )
1165   *           - macro could only be called when corresponding UART instance is disabled
1166   *             (i.e. __HAL_UART_DISABLE(__HANDLE__)) and should be followed by an Enable
1167   *              macro (i.e. __HAL_UART_ENABLE(__HANDLE__)).
1168   * @param  __HANDLE__ specifies the UART Handle.
1169   * @retval None
1170   */
1171 #define __HAL_UART_HWCONTROL_RTS_ENABLE(__HANDLE__)              \
1172   do{                                                            \
1173     ATOMIC_SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE); \
1174     (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_RTSE;              \
1175   } while(0U)
1176 
1177 /** @brief  Disable RTS flow control.
1178   * @note   This macro allows to disable RTS hardware flow control for a given UART instance,
1179   *         without need to call HAL_UART_Init() function.
1180   *         As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
1181   * @note   As macro is expected to be used for modifying RTS Hw flow control feature activation, without need
1182   *         for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
1183   *           - UART instance should have already been initialised (through call of HAL_UART_Init() )
1184   *           - macro could only be called when corresponding UART instance is disabled
1185   *             (i.e. __HAL_UART_DISABLE(__HANDLE__)) and should be followed by an Enable
1186   *              macro (i.e. __HAL_UART_ENABLE(__HANDLE__)).
1187   * @param  __HANDLE__ specifies the UART Handle.
1188   * @retval None
1189   */
1190 #define __HAL_UART_HWCONTROL_RTS_DISABLE(__HANDLE__)              \
1191   do{                                                             \
1192     ATOMIC_CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE);\
1193     (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_RTSE);            \
1194   } while(0U)
1195 /**
1196   * @}
1197   */
1198 
1199 /* Private macros --------------------------------------------------------*/
1200 /** @defgroup UART_Private_Macros   UART Private Macros
1201   * @{
1202   */
1203 
1204 
1205 /** @brief  BRR division operation to set BRR register in 8-bit oversampling mode.
1206   * @param  __PCLK__ UART clock.
1207   * @param  __BAUD__ Baud rate set by the user.
1208   * @retval Division result
1209   */
1210 #define UART_DIV_SAMPLING8(__PCLK__, __BAUD__)   ((((__PCLK__)*2U) + ((__BAUD__)/2U)) / (__BAUD__))
1211 
1212 /** @brief  BRR division operation to set BRR register in 16-bit oversampling mode.
1213   * @param  __PCLK__ UART clock.
1214   * @param  __BAUD__ Baud rate set by the user.
1215   * @retval Division result
1216   */
1217 #define UART_DIV_SAMPLING16(__PCLK__, __BAUD__)  (((__PCLK__) + ((__BAUD__)/2U)) / (__BAUD__))
1218 
1219 
1220 /** @brief  Check UART Baud rate.
1221   * @param  __BAUDRATE__ Baudrate specified by the user.
1222   *         The maximum Baud Rate is derived from the maximum clock on F7 (i.e. 216 MHz)
1223   *         divided by the smallest oversampling used on the USART (i.e. 8)
1224   * @retval SET (__BAUDRATE__ is valid) or RESET (__BAUDRATE__ is invalid)
1225   */
1226 #define IS_UART_BAUDRATE(__BAUDRATE__) ((__BAUDRATE__) < 27000001U)
1227 
1228 /** @brief  Check UART assertion time.
1229   * @param  __TIME__ 5-bit value assertion time.
1230   * @retval Test result (TRUE or FALSE).
1231   */
1232 #define IS_UART_ASSERTIONTIME(__TIME__)    ((__TIME__) <= 0x1FU)
1233 
1234 /** @brief  Check UART deassertion time.
1235   * @param  __TIME__ 5-bit value deassertion time.
1236   * @retval Test result (TRUE or FALSE).
1237   */
1238 #define IS_UART_DEASSERTIONTIME(__TIME__) ((__TIME__) <= 0x1FU)
1239 
1240 /**
1241   * @brief Ensure that UART frame number of stop bits is valid.
1242   * @param __STOPBITS__ UART frame number of stop bits.
1243   * @retval SET (__STOPBITS__ is valid) or RESET (__STOPBITS__ is invalid)
1244   */
1245 #define IS_UART_STOPBITS(__STOPBITS__) (((__STOPBITS__) == UART_STOPBITS_0_5) || \
1246                                         ((__STOPBITS__) == UART_STOPBITS_1)   || \
1247                                         ((__STOPBITS__) == UART_STOPBITS_1_5) || \
1248                                         ((__STOPBITS__) == UART_STOPBITS_2))
1249 
1250 
1251 /**
1252   * @brief Ensure that UART frame parity is valid.
1253   * @param __PARITY__ UART frame parity.
1254   * @retval SET (__PARITY__ is valid) or RESET (__PARITY__ is invalid)
1255   */
1256 #define IS_UART_PARITY(__PARITY__) (((__PARITY__) == UART_PARITY_NONE) || \
1257                                     ((__PARITY__) == UART_PARITY_EVEN) || \
1258                                     ((__PARITY__) == UART_PARITY_ODD))
1259 
1260 /**
1261   * @brief Ensure that UART hardware flow control is valid.
1262   * @param __CONTROL__ UART hardware flow control.
1263   * @retval SET (__CONTROL__ is valid) or RESET (__CONTROL__ is invalid)
1264   */
1265 #define IS_UART_HARDWARE_FLOW_CONTROL(__CONTROL__)\
1266   (((__CONTROL__) == UART_HWCONTROL_NONE) || \
1267    ((__CONTROL__) == UART_HWCONTROL_RTS)  || \
1268    ((__CONTROL__) == UART_HWCONTROL_CTS)  || \
1269    ((__CONTROL__) == UART_HWCONTROL_RTS_CTS))
1270 
1271 /**
1272   * @brief Ensure that UART communication mode is valid.
1273   * @param __MODE__ UART communication mode.
1274   * @retval SET (__MODE__ is valid) or RESET (__MODE__ is invalid)
1275   */
1276 #define IS_UART_MODE(__MODE__) ((((__MODE__) & (~((uint32_t)(UART_MODE_TX_RX)))) == 0x00U) && ((__MODE__) != 0x00U))
1277 
1278 /**
1279   * @brief Ensure that UART state is valid.
1280   * @param __STATE__ UART state.
1281   * @retval SET (__STATE__ is valid) or RESET (__STATE__ is invalid)
1282   */
1283 #define IS_UART_STATE(__STATE__) (((__STATE__) == UART_STATE_DISABLE) || \
1284                                   ((__STATE__) == UART_STATE_ENABLE))
1285 
1286 /**
1287   * @brief Ensure that UART oversampling is valid.
1288   * @param __SAMPLING__ UART oversampling.
1289   * @retval SET (__SAMPLING__ is valid) or RESET (__SAMPLING__ is invalid)
1290   */
1291 #define IS_UART_OVERSAMPLING(__SAMPLING__) (((__SAMPLING__) == UART_OVERSAMPLING_16) || \
1292                                             ((__SAMPLING__) == UART_OVERSAMPLING_8))
1293 
1294 /**
1295   * @brief Ensure that UART frame sampling is valid.
1296   * @param __ONEBIT__ UART frame sampling.
1297   * @retval SET (__ONEBIT__ is valid) or RESET (__ONEBIT__ is invalid)
1298   */
1299 #define IS_UART_ONE_BIT_SAMPLE(__ONEBIT__) (((__ONEBIT__) == UART_ONE_BIT_SAMPLE_DISABLE) || \
1300                                             ((__ONEBIT__) == UART_ONE_BIT_SAMPLE_ENABLE))
1301 
1302 /**
1303   * @brief Ensure that UART auto Baud rate detection mode is valid.
1304   * @param __MODE__ UART auto Baud rate detection mode.
1305   * @retval SET (__MODE__ is valid) or RESET (__MODE__ is invalid)
1306   */
1307 #define IS_UART_ADVFEATURE_AUTOBAUDRATEMODE(__MODE__)  (((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ONSTARTBIT)    || \
1308                                                         ((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ONFALLINGEDGE) || \
1309                                                         ((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ON0X7FFRAME)   || \
1310                                                         ((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ON0X55FRAME))
1311 
1312 /**
1313   * @brief Ensure that UART receiver timeout setting is valid.
1314   * @param __TIMEOUT__ UART receiver timeout setting.
1315   * @retval SET (__TIMEOUT__ is valid) or RESET (__TIMEOUT__ is invalid)
1316   */
1317 #define IS_UART_RECEIVER_TIMEOUT(__TIMEOUT__)  (((__TIMEOUT__) == UART_RECEIVER_TIMEOUT_DISABLE) || \
1318                                                 ((__TIMEOUT__) == UART_RECEIVER_TIMEOUT_ENABLE))
1319 
1320 /** @brief  Check the receiver timeout value.
1321   * @note   The maximum UART receiver timeout value is 0xFFFFFF.
1322   * @param  __TIMEOUTVALUE__ receiver timeout value.
1323   * @retval Test result (TRUE or FALSE)
1324   */
1325 #define IS_UART_RECEIVER_TIMEOUT_VALUE(__TIMEOUTVALUE__)  ((__TIMEOUTVALUE__) <= 0xFFFFFFU)
1326 
1327 /**
1328   * @brief Ensure that UART LIN state is valid.
1329   * @param __LIN__ UART LIN state.
1330   * @retval SET (__LIN__ is valid) or RESET (__LIN__ is invalid)
1331   */
1332 #define IS_UART_LIN(__LIN__)        (((__LIN__) == UART_LIN_DISABLE) || \
1333                                      ((__LIN__) == UART_LIN_ENABLE))
1334 
1335 /**
1336   * @brief Ensure that UART LIN break detection length is valid.
1337   * @param __LENGTH__ UART LIN break detection length.
1338   * @retval SET (__LENGTH__ is valid) or RESET (__LENGTH__ is invalid)
1339   */
1340 #define IS_UART_LIN_BREAK_DETECT_LENGTH(__LENGTH__) (((__LENGTH__) == UART_LINBREAKDETECTLENGTH_10B) || \
1341                                                      ((__LENGTH__) == UART_LINBREAKDETECTLENGTH_11B))
1342 
1343 /**
1344   * @brief Ensure that UART DMA TX state is valid.
1345   * @param __DMATX__ UART DMA TX state.
1346   * @retval SET (__DMATX__ is valid) or RESET (__DMATX__ is invalid)
1347   */
1348 #define IS_UART_DMA_TX(__DMATX__)     (((__DMATX__) == UART_DMA_TX_DISABLE) || \
1349                                        ((__DMATX__) == UART_DMA_TX_ENABLE))
1350 
1351 /**
1352   * @brief Ensure that UART DMA RX state is valid.
1353   * @param __DMARX__ UART DMA RX state.
1354   * @retval SET (__DMARX__ is valid) or RESET (__DMARX__ is invalid)
1355   */
1356 #define IS_UART_DMA_RX(__DMARX__)     (((__DMARX__) == UART_DMA_RX_DISABLE) || \
1357                                        ((__DMARX__) == UART_DMA_RX_ENABLE))
1358 
1359 /**
1360   * @brief Ensure that UART half-duplex state is valid.
1361   * @param __HDSEL__ UART half-duplex state.
1362   * @retval SET (__HDSEL__ is valid) or RESET (__HDSEL__ is invalid)
1363   */
1364 #define IS_UART_HALF_DUPLEX(__HDSEL__)     (((__HDSEL__) == UART_HALF_DUPLEX_DISABLE) || \
1365                                             ((__HDSEL__) == UART_HALF_DUPLEX_ENABLE))
1366 
1367 /**
1368   * @brief Ensure that UART wake-up method is valid.
1369   * @param __WAKEUP__ UART wake-up method .
1370   * @retval SET (__WAKEUP__ is valid) or RESET (__WAKEUP__ is invalid)
1371   */
1372 #define IS_UART_WAKEUPMETHOD(__WAKEUP__) (((__WAKEUP__) == UART_WAKEUPMETHOD_IDLELINE) || \
1373                                           ((__WAKEUP__) == UART_WAKEUPMETHOD_ADDRESSMARK))
1374 
1375 /**
1376   * @brief Ensure that UART request parameter is valid.
1377   * @param __PARAM__ UART request parameter.
1378   * @retval SET (__PARAM__ is valid) or RESET (__PARAM__ is invalid)
1379   */
1380 #define IS_UART_REQUEST_PARAMETER(__PARAM__) (((__PARAM__) == UART_AUTOBAUD_REQUEST)     || \
1381                                               ((__PARAM__) == UART_SENDBREAK_REQUEST)    || \
1382                                               ((__PARAM__) == UART_MUTE_MODE_REQUEST)    || \
1383                                               ((__PARAM__) == UART_RXDATA_FLUSH_REQUEST) || \
1384                                               ((__PARAM__) == UART_TXDATA_FLUSH_REQUEST))
1385 
1386 /**
1387   * @brief Ensure that UART advanced features initialization is valid.
1388   * @param __INIT__ UART advanced features initialization.
1389   * @retval SET (__INIT__ is valid) or RESET (__INIT__ is invalid)
1390   */
1391 #define IS_UART_ADVFEATURE_INIT(__INIT__)   ((__INIT__) <= (UART_ADVFEATURE_NO_INIT                | \
1392                                                             UART_ADVFEATURE_TXINVERT_INIT          | \
1393                                                             UART_ADVFEATURE_RXINVERT_INIT          | \
1394                                                             UART_ADVFEATURE_DATAINVERT_INIT        | \
1395                                                             UART_ADVFEATURE_SWAP_INIT              | \
1396                                                             UART_ADVFEATURE_RXOVERRUNDISABLE_INIT  | \
1397                                                             UART_ADVFEATURE_DMADISABLEONERROR_INIT | \
1398                                                             UART_ADVFEATURE_AUTOBAUDRATE_INIT      | \
1399                                                             UART_ADVFEATURE_MSBFIRST_INIT))
1400 
1401 /**
1402   * @brief Ensure that UART frame TX inversion setting is valid.
1403   * @param __TXINV__ UART frame TX inversion setting.
1404   * @retval SET (__TXINV__ is valid) or RESET (__TXINV__ is invalid)
1405   */
1406 #define IS_UART_ADVFEATURE_TXINV(__TXINV__) (((__TXINV__) == UART_ADVFEATURE_TXINV_DISABLE) || \
1407                                              ((__TXINV__) == UART_ADVFEATURE_TXINV_ENABLE))
1408 
1409 /**
1410   * @brief Ensure that UART frame RX inversion setting is valid.
1411   * @param __RXINV__ UART frame RX inversion setting.
1412   * @retval SET (__RXINV__ is valid) or RESET (__RXINV__ is invalid)
1413   */
1414 #define IS_UART_ADVFEATURE_RXINV(__RXINV__) (((__RXINV__) == UART_ADVFEATURE_RXINV_DISABLE) || \
1415                                              ((__RXINV__) == UART_ADVFEATURE_RXINV_ENABLE))
1416 
1417 /**
1418   * @brief Ensure that UART frame data inversion setting is valid.
1419   * @param __DATAINV__ UART frame data inversion setting.
1420   * @retval SET (__DATAINV__ is valid) or RESET (__DATAINV__ is invalid)
1421   */
1422 #define IS_UART_ADVFEATURE_DATAINV(__DATAINV__) (((__DATAINV__) == UART_ADVFEATURE_DATAINV_DISABLE) || \
1423                                                  ((__DATAINV__) == UART_ADVFEATURE_DATAINV_ENABLE))
1424 
1425 /**
1426   * @brief Ensure that UART frame RX/TX pins swap setting is valid.
1427   * @param __SWAP__ UART frame RX/TX pins swap setting.
1428   * @retval SET (__SWAP__ is valid) or RESET (__SWAP__ is invalid)
1429   */
1430 #define IS_UART_ADVFEATURE_SWAP(__SWAP__) (((__SWAP__) == UART_ADVFEATURE_SWAP_DISABLE) || \
1431                                            ((__SWAP__) == UART_ADVFEATURE_SWAP_ENABLE))
1432 
1433 /**
1434   * @brief Ensure that UART frame overrun setting is valid.
1435   * @param __OVERRUN__ UART frame overrun setting.
1436   * @retval SET (__OVERRUN__ is valid) or RESET (__OVERRUN__ is invalid)
1437   */
1438 #define IS_UART_OVERRUN(__OVERRUN__)     (((__OVERRUN__) == UART_ADVFEATURE_OVERRUN_ENABLE) || \
1439                                           ((__OVERRUN__) == UART_ADVFEATURE_OVERRUN_DISABLE))
1440 
1441 /**
1442   * @brief Ensure that UART auto Baud rate state is valid.
1443   * @param __AUTOBAUDRATE__ UART auto Baud rate state.
1444   * @retval SET (__AUTOBAUDRATE__ is valid) or RESET (__AUTOBAUDRATE__ is invalid)
1445   */
1446 #define IS_UART_ADVFEATURE_AUTOBAUDRATE(__AUTOBAUDRATE__) (((__AUTOBAUDRATE__) == \
1447                                                             UART_ADVFEATURE_AUTOBAUDRATE_DISABLE) || \
1448                                                            ((__AUTOBAUDRATE__) == UART_ADVFEATURE_AUTOBAUDRATE_ENABLE))
1449 
1450 /**
1451   * @brief Ensure that UART DMA enabling or disabling on error setting is valid.
1452   * @param __DMA__ UART DMA enabling or disabling on error setting.
1453   * @retval SET (__DMA__ is valid) or RESET (__DMA__ is invalid)
1454   */
1455 #define IS_UART_ADVFEATURE_DMAONRXERROR(__DMA__)  (((__DMA__) == UART_ADVFEATURE_DMA_ENABLEONRXERROR) || \
1456                                                    ((__DMA__) == UART_ADVFEATURE_DMA_DISABLEONRXERROR))
1457 
1458 /**
1459   * @brief Ensure that UART frame MSB first setting is valid.
1460   * @param __MSBFIRST__ UART frame MSB first setting.
1461   * @retval SET (__MSBFIRST__ is valid) or RESET (__MSBFIRST__ is invalid)
1462   */
1463 #define IS_UART_ADVFEATURE_MSBFIRST(__MSBFIRST__) (((__MSBFIRST__) == UART_ADVFEATURE_MSBFIRST_DISABLE) || \
1464                                                    ((__MSBFIRST__) == UART_ADVFEATURE_MSBFIRST_ENABLE))
1465 
1466 #if defined(USART_CR1_UESM)
1467 /**
1468   * @brief Ensure that UART stop mode state is valid.
1469   * @param __STOPMODE__ UART stop mode state.
1470   * @retval SET (__STOPMODE__ is valid) or RESET (__STOPMODE__ is invalid)
1471   */
1472 #define IS_UART_ADVFEATURE_STOPMODE(__STOPMODE__) (((__STOPMODE__) == UART_ADVFEATURE_STOPMODE_DISABLE) || \
1473                                                    ((__STOPMODE__) == UART_ADVFEATURE_STOPMODE_ENABLE))
1474 
1475 #endif /* USART_CR1_UESM */
1476 /**
1477   * @brief Ensure that UART mute mode state is valid.
1478   * @param __MUTE__ UART mute mode state.
1479   * @retval SET (__MUTE__ is valid) or RESET (__MUTE__ is invalid)
1480   */
1481 #define IS_UART_MUTE_MODE(__MUTE__)       (((__MUTE__) == UART_ADVFEATURE_MUTEMODE_DISABLE) || \
1482                                            ((__MUTE__) == UART_ADVFEATURE_MUTEMODE_ENABLE))
1483 #if defined(USART_CR1_UESM)
1484 
1485 /**
1486   * @brief Ensure that UART wake-up selection is valid.
1487   * @param __WAKE__ UART wake-up selection.
1488   * @retval SET (__WAKE__ is valid) or RESET (__WAKE__ is invalid)
1489   */
1490 #if defined(USART_CR3_WUFIE)
1491 #define IS_UART_WAKEUP_SELECTION(__WAKE__) (((__WAKE__) == UART_WAKEUP_ON_ADDRESS)           || \
1492                                             ((__WAKE__) == UART_WAKEUP_ON_STARTBIT)          || \
1493                                             ((__WAKE__) == UART_WAKEUP_ON_READDATA_NONEMPTY))
1494 #else
1495 #define IS_UART_WAKEUP_SELECTION(__WAKE__) (((__WAKE__) == UART_WAKEUP_ON_ADDRESS)           || \
1496                                             ((__WAKE__) == UART_WAKEUP_ON_READDATA_NONEMPTY))
1497 #endif /* USART_CR3_WUFIE */
1498 #endif /* USART_CR1_UESM */
1499 
1500 /**
1501   * @brief Ensure that UART driver enable polarity is valid.
1502   * @param __POLARITY__ UART driver enable polarity.
1503   * @retval SET (__POLARITY__ is valid) or RESET (__POLARITY__ is invalid)
1504   */
1505 #define IS_UART_DE_POLARITY(__POLARITY__)    (((__POLARITY__) == UART_DE_POLARITY_HIGH) || \
1506                                               ((__POLARITY__) == UART_DE_POLARITY_LOW))
1507 
1508 
1509 /**
1510   * @}
1511   */
1512 
1513 /* Include UART HAL Extended module */
1514 #include "stm32f7xx_hal_uart_ex.h"
1515 
1516 /* Exported functions --------------------------------------------------------*/
1517 /** @addtogroup UART_Exported_Functions UART Exported Functions
1518   * @{
1519   */
1520 
1521 /** @addtogroup UART_Exported_Functions_Group1 Initialization and de-initialization functions
1522   * @{
1523   */
1524 
1525 /* Initialization and de-initialization functions  ****************************/
1526 HAL_StatusTypeDef HAL_UART_Init(UART_HandleTypeDef *huart);
1527 HAL_StatusTypeDef HAL_HalfDuplex_Init(UART_HandleTypeDef *huart);
1528 HAL_StatusTypeDef HAL_LIN_Init(UART_HandleTypeDef *huart, uint32_t BreakDetectLength);
1529 HAL_StatusTypeDef HAL_MultiProcessor_Init(UART_HandleTypeDef *huart, uint8_t Address, uint32_t WakeUpMethod);
1530 HAL_StatusTypeDef HAL_UART_DeInit(UART_HandleTypeDef *huart);
1531 void HAL_UART_MspInit(UART_HandleTypeDef *huart);
1532 void HAL_UART_MspDeInit(UART_HandleTypeDef *huart);
1533 
1534 /* Callbacks Register/UnRegister functions  ***********************************/
1535 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
1536 HAL_StatusTypeDef HAL_UART_RegisterCallback(UART_HandleTypeDef *huart, HAL_UART_CallbackIDTypeDef CallbackID,
1537                                             pUART_CallbackTypeDef pCallback);
1538 HAL_StatusTypeDef HAL_UART_UnRegisterCallback(UART_HandleTypeDef *huart, HAL_UART_CallbackIDTypeDef CallbackID);
1539 
1540 HAL_StatusTypeDef HAL_UART_RegisterRxEventCallback(UART_HandleTypeDef *huart, pUART_RxEventCallbackTypeDef pCallback);
1541 HAL_StatusTypeDef HAL_UART_UnRegisterRxEventCallback(UART_HandleTypeDef *huart);
1542 #endif /* USE_HAL_UART_REGISTER_CALLBACKS */
1543 
1544 /**
1545   * @}
1546   */
1547 
1548 /** @addtogroup UART_Exported_Functions_Group2 IO operation functions
1549   * @{
1550   */
1551 
1552 /* IO operation functions *****************************************************/
1553 HAL_StatusTypeDef HAL_UART_Transmit(UART_HandleTypeDef *huart, const uint8_t *pData, uint16_t Size, uint32_t Timeout);
1554 HAL_StatusTypeDef HAL_UART_Receive(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout);
1555 HAL_StatusTypeDef HAL_UART_Transmit_IT(UART_HandleTypeDef *huart, const uint8_t *pData, uint16_t Size);
1556 HAL_StatusTypeDef HAL_UART_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
1557 HAL_StatusTypeDef HAL_UART_Transmit_DMA(UART_HandleTypeDef *huart, const uint8_t *pData, uint16_t Size);
1558 HAL_StatusTypeDef HAL_UART_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
1559 HAL_StatusTypeDef HAL_UART_DMAPause(UART_HandleTypeDef *huart);
1560 HAL_StatusTypeDef HAL_UART_DMAResume(UART_HandleTypeDef *huart);
1561 HAL_StatusTypeDef HAL_UART_DMAStop(UART_HandleTypeDef *huart);
1562 /* Transfer Abort functions */
1563 HAL_StatusTypeDef HAL_UART_Abort(UART_HandleTypeDef *huart);
1564 HAL_StatusTypeDef HAL_UART_AbortTransmit(UART_HandleTypeDef *huart);
1565 HAL_StatusTypeDef HAL_UART_AbortReceive(UART_HandleTypeDef *huart);
1566 HAL_StatusTypeDef HAL_UART_Abort_IT(UART_HandleTypeDef *huart);
1567 HAL_StatusTypeDef HAL_UART_AbortTransmit_IT(UART_HandleTypeDef *huart);
1568 HAL_StatusTypeDef HAL_UART_AbortReceive_IT(UART_HandleTypeDef *huart);
1569 
1570 void HAL_UART_IRQHandler(UART_HandleTypeDef *huart);
1571 void HAL_UART_TxHalfCpltCallback(UART_HandleTypeDef *huart);
1572 void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart);
1573 void HAL_UART_RxHalfCpltCallback(UART_HandleTypeDef *huart);
1574 void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart);
1575 void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart);
1576 void HAL_UART_AbortCpltCallback(UART_HandleTypeDef *huart);
1577 void HAL_UART_AbortTransmitCpltCallback(UART_HandleTypeDef *huart);
1578 void HAL_UART_AbortReceiveCpltCallback(UART_HandleTypeDef *huart);
1579 
1580 void HAL_UARTEx_RxEventCallback(UART_HandleTypeDef *huart, uint16_t Size);
1581 
1582 /**
1583   * @}
1584   */
1585 
1586 /** @addtogroup UART_Exported_Functions_Group3 Peripheral Control functions
1587   * @{
1588   */
1589 
1590 /* Peripheral Control functions  ************************************************/
1591 void HAL_UART_ReceiverTimeout_Config(UART_HandleTypeDef *huart, uint32_t TimeoutValue);
1592 HAL_StatusTypeDef HAL_UART_EnableReceiverTimeout(UART_HandleTypeDef *huart);
1593 HAL_StatusTypeDef HAL_UART_DisableReceiverTimeout(UART_HandleTypeDef *huart);
1594 
1595 HAL_StatusTypeDef HAL_LIN_SendBreak(UART_HandleTypeDef *huart);
1596 HAL_StatusTypeDef HAL_MultiProcessor_EnableMuteMode(UART_HandleTypeDef *huart);
1597 HAL_StatusTypeDef HAL_MultiProcessor_DisableMuteMode(UART_HandleTypeDef *huart);
1598 void HAL_MultiProcessor_EnterMuteMode(UART_HandleTypeDef *huart);
1599 HAL_StatusTypeDef HAL_HalfDuplex_EnableTransmitter(UART_HandleTypeDef *huart);
1600 HAL_StatusTypeDef HAL_HalfDuplex_EnableReceiver(UART_HandleTypeDef *huart);
1601 
1602 /**
1603   * @}
1604   */
1605 
1606 /** @addtogroup UART_Exported_Functions_Group4 Peripheral State and Error functions
1607   * @{
1608   */
1609 
1610 /* Peripheral State and Errors functions  **************************************************/
1611 HAL_UART_StateTypeDef HAL_UART_GetState(const UART_HandleTypeDef *huart);
1612 uint32_t              HAL_UART_GetError(const UART_HandleTypeDef *huart);
1613 
1614 /**
1615   * @}
1616   */
1617 
1618 /**
1619   * @}
1620   */
1621 
1622 /* Private functions -----------------------------------------------------------*/
1623 /** @addtogroup UART_Private_Functions UART Private Functions
1624   * @{
1625   */
1626 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
1627 void              UART_InitCallbacksToDefault(UART_HandleTypeDef *huart);
1628 #endif /* USE_HAL_UART_REGISTER_CALLBACKS */
1629 HAL_StatusTypeDef UART_SetConfig(UART_HandleTypeDef *huart);
1630 HAL_StatusTypeDef UART_CheckIdleState(UART_HandleTypeDef *huart);
1631 HAL_StatusTypeDef UART_WaitOnFlagUntilTimeout(UART_HandleTypeDef *huart, uint32_t Flag, FlagStatus Status,
1632                                               uint32_t Tickstart, uint32_t Timeout);
1633 void              UART_AdvFeatureConfig(UART_HandleTypeDef *huart);
1634 HAL_StatusTypeDef UART_Start_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
1635 HAL_StatusTypeDef UART_Start_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
1636 
1637 /**
1638   * @}
1639   */
1640 
1641 /* Private variables -----------------------------------------------------------*/
1642 /**
1643   * @}
1644   */
1645 
1646 /**
1647   * @}
1648   */
1649 
1650 #ifdef __cplusplus
1651 }
1652 #endif
1653 
1654 #endif /* STM32F7xx_HAL_UART_H */
1655 
1656