1 /**
2   ******************************************************************************
3   * @file    stm32f0xx_hal_uart.h
4   * @author  MCD Application Team
5   * @brief   Header file of UART HAL module.
6   ******************************************************************************
7   * @attention
8   *
9   * Copyright (c) 2016 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 STM32F0xx_HAL_UART_H
21 #define STM32F0xx_HAL_UART_H
22 
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26 
27 /* Includes ------------------------------------------------------------------*/
28 #include "stm32f0xx_hal_def.h"
29 
30 /** @addtogroup STM32F0xx_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_HSI        = 0x02U,    /*!< HSI clock source    */
180   UART_CLOCKSOURCE_SYSCLK     = 0x04U,    /*!< SYSCLK clock source */
181   UART_CLOCKSOURCE_LSE        = 0x08U,    /*!< LSE clock source       */
182   UART_CLOCKSOURCE_UNDEFINED  = 0x10U     /*!< Undefined clock source */
183 } UART_ClockSourceTypeDef;
184 
185 /**
186   * @brief HAL UART Reception type definition
187   * @note  HAL UART Reception type value aims to identify which type of Reception is ongoing.
188   *        This parameter can be a value of @ref UART_Reception_Type_Values :
189   *           HAL_UART_RECEPTION_STANDARD         = 0x00U,
190   *           HAL_UART_RECEPTION_TOIDLE           = 0x01U,
191   *           HAL_UART_RECEPTION_TORTO            = 0x02U,
192   *           HAL_UART_RECEPTION_TOCHARMATCH      = 0x03U,
193   */
194 typedef uint32_t HAL_UART_RxTypeTypeDef;
195 
196 /**
197   * @brief HAL UART Rx Event type definition
198   * @note  HAL UART Rx Event type value aims to identify which type of Event has occurred
199   *        leading to call of the RxEvent callback.
200   *        This parameter can be a value of @ref UART_RxEvent_Type_Values :
201   *           HAL_UART_RXEVENT_TC                 = 0x00U,
202   *           HAL_UART_RXEVENT_HT                 = 0x01U,
203   *           HAL_UART_RXEVENT_IDLE               = 0x02U,
204   */
205 typedef uint32_t HAL_UART_RxEventTypeTypeDef;
206 
207 /**
208   * @brief  UART handle Structure definition
209   */
210 typedef struct __UART_HandleTypeDef
211 {
212   USART_TypeDef            *Instance;                /*!< UART registers base address        */
213 
214   UART_InitTypeDef         Init;                     /*!< UART communication parameters      */
215 
216   UART_AdvFeatureInitTypeDef AdvancedInit;           /*!< UART Advanced Features initialization parameters */
217 
218   const uint8_t            *pTxBuffPtr;              /*!< Pointer to UART Tx transfer Buffer */
219 
220   uint16_t                 TxXferSize;               /*!< UART Tx Transfer size              */
221 
222   __IO uint16_t            TxXferCount;              /*!< UART Tx Transfer Counter           */
223 
224   uint8_t                  *pRxBuffPtr;              /*!< Pointer to UART Rx transfer Buffer */
225 
226   uint16_t                 RxXferSize;               /*!< UART Rx Transfer size              */
227 
228   __IO uint16_t            RxXferCount;              /*!< UART Rx Transfer Counter           */
229 
230   uint16_t                 Mask;                     /*!< UART Rx RDR register mask          */
231 
232   __IO HAL_UART_RxTypeTypeDef ReceptionType;         /*!< Type of ongoing reception          */
233 
234   __IO HAL_UART_RxEventTypeTypeDef RxEventType;      /*!< Type of Rx Event                   */
235 
236   void (*RxISR)(struct __UART_HandleTypeDef *huart); /*!< Function pointer on Rx IRQ handler */
237 
238   void (*TxISR)(struct __UART_HandleTypeDef *huart); /*!< Function pointer on Tx IRQ handler */
239 
240   DMA_HandleTypeDef        *hdmatx;                  /*!< UART Tx DMA Handle parameters      */
241 
242   DMA_HandleTypeDef        *hdmarx;                  /*!< UART Rx DMA Handle parameters      */
243 
244   HAL_LockTypeDef           Lock;                    /*!< Locking object                     */
245 
246   __IO HAL_UART_StateTypeDef    gState;              /*!< UART state information related to global Handle management
247                                                           and also related to Tx operations. This parameter
248                                                           can be a value of @ref HAL_UART_StateTypeDef */
249 
250   __IO HAL_UART_StateTypeDef    RxState;             /*!< UART state information related to Rx operations. This
251                                                           parameter can be a value of @ref HAL_UART_StateTypeDef */
252 
253   __IO uint32_t                 ErrorCode;           /*!< UART Error code                    */
254 
255 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
256   void (* TxHalfCpltCallback)(struct __UART_HandleTypeDef *huart);        /*!< UART Tx Half Complete Callback        */
257   void (* TxCpltCallback)(struct __UART_HandleTypeDef *huart);            /*!< UART Tx Complete Callback             */
258   void (* RxHalfCpltCallback)(struct __UART_HandleTypeDef *huart);        /*!< UART Rx Half Complete Callback        */
259   void (* RxCpltCallback)(struct __UART_HandleTypeDef *huart);            /*!< UART Rx Complete Callback             */
260   void (* ErrorCallback)(struct __UART_HandleTypeDef *huart);             /*!< UART Error Callback                   */
261   void (* AbortCpltCallback)(struct __UART_HandleTypeDef *huart);         /*!< UART Abort Complete Callback          */
262   void (* AbortTransmitCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Abort Transmit Complete Callback */
263   void (* AbortReceiveCpltCallback)(struct __UART_HandleTypeDef *huart);  /*!< UART Abort Receive Complete Callback  */
264 #if defined(USART_CR1_UESM)
265 #if defined(USART_CR3_WUFIE)
266   void (* WakeupCallback)(struct __UART_HandleTypeDef *huart);            /*!< UART Wakeup Callback                  */
267 #endif /* USART_CR3_WUFIE */
268 #endif /* USART_CR1_UESM */
269   void (* RxEventCallback)(struct __UART_HandleTypeDef *huart, uint16_t Pos); /*!< UART Reception Event Callback     */
270 
271   void (* MspInitCallback)(struct __UART_HandleTypeDef *huart);           /*!< UART Msp Init callback                */
272   void (* MspDeInitCallback)(struct __UART_HandleTypeDef *huart);         /*!< UART Msp DeInit callback              */
273 #endif  /* USE_HAL_UART_REGISTER_CALLBACKS */
274 
275 } UART_HandleTypeDef;
276 
277 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
278 /**
279   * @brief  HAL UART Callback ID enumeration definition
280   */
281 typedef enum
282 {
283   HAL_UART_TX_HALFCOMPLETE_CB_ID         = 0x00U,    /*!< UART Tx Half Complete Callback ID        */
284   HAL_UART_TX_COMPLETE_CB_ID             = 0x01U,    /*!< UART Tx Complete Callback ID             */
285   HAL_UART_RX_HALFCOMPLETE_CB_ID         = 0x02U,    /*!< UART Rx Half Complete Callback ID        */
286   HAL_UART_RX_COMPLETE_CB_ID             = 0x03U,    /*!< UART Rx Complete Callback ID             */
287   HAL_UART_ERROR_CB_ID                   = 0x04U,    /*!< UART Error Callback ID                   */
288   HAL_UART_ABORT_COMPLETE_CB_ID          = 0x05U,    /*!< UART Abort Complete Callback ID          */
289   HAL_UART_ABORT_TRANSMIT_COMPLETE_CB_ID = 0x06U,    /*!< UART Abort Transmit Complete Callback ID */
290   HAL_UART_ABORT_RECEIVE_COMPLETE_CB_ID  = 0x07U,    /*!< UART Abort Receive Complete Callback ID  */
291   HAL_UART_WAKEUP_CB_ID                  = 0x08U,    /*!< UART Wakeup Callback ID                  */
292 
293   HAL_UART_MSPINIT_CB_ID                 = 0x0BU,    /*!< UART MspInit callback ID                 */
294   HAL_UART_MSPDEINIT_CB_ID               = 0x0CU     /*!< UART MspDeInit callback ID               */
295 
296 } HAL_UART_CallbackIDTypeDef;
297 
298 /**
299   * @brief  HAL UART Callback pointer definition
300   */
301 typedef  void (*pUART_CallbackTypeDef)(UART_HandleTypeDef *huart); /*!< pointer to an UART callback function */
302 typedef  void (*pUART_RxEventCallbackTypeDef)
303 (struct __UART_HandleTypeDef *huart, uint16_t Pos); /*!< pointer to a UART Rx Event specific callback function */
304 
305 #endif /* USE_HAL_UART_REGISTER_CALLBACKS */
306 
307 /**
308   * @}
309   */
310 
311 /* Exported constants --------------------------------------------------------*/
312 /** @defgroup UART_Exported_Constants UART Exported Constants
313   * @{
314   */
315 
316 /** @defgroup UART_State_Definition UART State Code Definition
317   * @{
318   */
319 #define  HAL_UART_STATE_RESET         0x00000000U    /*!< Peripheral is not initialized
320                                                           Value is allowed for gState and RxState */
321 #define  HAL_UART_STATE_READY         0x00000020U    /*!< Peripheral Initialized and ready for use
322                                                           Value is allowed for gState and RxState */
323 #define  HAL_UART_STATE_BUSY          0x00000024U    /*!< an internal process is ongoing
324                                                           Value is allowed for gState only */
325 #define  HAL_UART_STATE_BUSY_TX       0x00000021U    /*!< Data Transmission process is ongoing
326                                                           Value is allowed for gState only */
327 #define  HAL_UART_STATE_BUSY_RX       0x00000022U    /*!< Data Reception process is ongoing
328                                                           Value is allowed for RxState only */
329 #define  HAL_UART_STATE_BUSY_TX_RX    0x00000023U    /*!< Data Transmission and Reception process is ongoing
330                                                           Not to be used for neither gState nor RxState.Value is result
331                                                           of combination (Or) between gState and RxState values */
332 #define  HAL_UART_STATE_TIMEOUT       0x000000A0U    /*!< Timeout state
333                                                           Value is allowed for gState only */
334 #define  HAL_UART_STATE_ERROR         0x000000E0U    /*!< Error
335                                                           Value is allowed for gState only */
336 /**
337   * @}
338   */
339 
340 /** @defgroup UART_Error_Definition   UART Error Definition
341   * @{
342   */
343 #define  HAL_UART_ERROR_NONE             (0x00000000U)    /*!< No error                */
344 #define  HAL_UART_ERROR_PE               (0x00000001U)    /*!< Parity error            */
345 #define  HAL_UART_ERROR_NE               (0x00000002U)    /*!< Noise error             */
346 #define  HAL_UART_ERROR_FE               (0x00000004U)    /*!< Frame error             */
347 #define  HAL_UART_ERROR_ORE              (0x00000008U)    /*!< Overrun error           */
348 #define  HAL_UART_ERROR_DMA              (0x00000010U)    /*!< DMA transfer error      */
349 #define  HAL_UART_ERROR_RTO              (0x00000020U)    /*!< Receiver Timeout error  */
350 
351 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
352 #define  HAL_UART_ERROR_INVALID_CALLBACK (0x00000040U)    /*!< Invalid Callback error  */
353 #endif /* USE_HAL_UART_REGISTER_CALLBACKS */
354 /**
355   * @}
356   */
357 
358 /** @defgroup UART_Stop_Bits   UART Number of Stop Bits
359   * @{
360   */
361 #define UART_STOPBITS_0_5                    USART_CR2_STOP_0                     /*!< UART frame with 0.5 stop bit  */
362 #define UART_STOPBITS_1                     0x00000000U                           /*!< UART frame with 1 stop bit    */
363 #define UART_STOPBITS_1_5                   (USART_CR2_STOP_0 | USART_CR2_STOP_1) /*!< UART frame with 1.5 stop bits */
364 #define UART_STOPBITS_2                      USART_CR2_STOP_1                     /*!< UART frame with 2 stop bits   */
365 /**
366   * @}
367   */
368 
369 /** @defgroup UART_Parity  UART Parity
370   * @{
371   */
372 #define UART_PARITY_NONE                    0x00000000U                        /*!< No parity   */
373 #define UART_PARITY_EVEN                    USART_CR1_PCE                      /*!< Even parity */
374 #define UART_PARITY_ODD                     (USART_CR1_PCE | USART_CR1_PS)     /*!< Odd parity  */
375 /**
376   * @}
377   */
378 
379 /** @defgroup UART_Hardware_Flow_Control UART Hardware Flow Control
380   * @{
381   */
382 #define UART_HWCONTROL_NONE                  0x00000000U                          /*!< No hardware control       */
383 #define UART_HWCONTROL_RTS                   USART_CR3_RTSE                       /*!< Request To Send           */
384 #define UART_HWCONTROL_CTS                   USART_CR3_CTSE                       /*!< Clear To Send             */
385 #define UART_HWCONTROL_RTS_CTS               (USART_CR3_RTSE | USART_CR3_CTSE)    /*!< Request and Clear To Send */
386 /**
387   * @}
388   */
389 
390 /** @defgroup UART_Mode UART Transfer Mode
391   * @{
392   */
393 #define UART_MODE_RX                        USART_CR1_RE                    /*!< RX mode        */
394 #define UART_MODE_TX                        USART_CR1_TE                    /*!< TX mode        */
395 #define UART_MODE_TX_RX                     (USART_CR1_TE |USART_CR1_RE)    /*!< RX and TX mode */
396 /**
397   * @}
398   */
399 
400 /** @defgroup UART_State  UART State
401   * @{
402   */
403 #define UART_STATE_DISABLE                  0x00000000U         /*!< UART disabled  */
404 #define UART_STATE_ENABLE                   USART_CR1_UE        /*!< UART enabled   */
405 /**
406   * @}
407   */
408 
409 /** @defgroup UART_Over_Sampling UART Over Sampling
410   * @{
411   */
412 #define UART_OVERSAMPLING_16                0x00000000U         /*!< Oversampling by 16 */
413 #define UART_OVERSAMPLING_8                 USART_CR1_OVER8     /*!< Oversampling by 8  */
414 /**
415   * @}
416   */
417 
418 /** @defgroup UART_OneBit_Sampling UART One Bit Sampling Method
419   * @{
420   */
421 #define UART_ONE_BIT_SAMPLE_DISABLE         0x00000000U         /*!< One-bit sampling disable */
422 #define UART_ONE_BIT_SAMPLE_ENABLE          USART_CR3_ONEBIT    /*!< One-bit sampling enable  */
423 /**
424   * @}
425   */
426 
427 /** @defgroup UART_AutoBaud_Rate_Mode    UART Advanced Feature AutoBaud Rate Mode
428   * @{
429   */
430 #define UART_ADVFEATURE_AUTOBAUDRATE_ONSTARTBIT    0x00000000U           /*!< Auto Baud rate detection
431                                                                               on start bit              */
432 #define UART_ADVFEATURE_AUTOBAUDRATE_ONFALLINGEDGE USART_CR2_ABRMODE_0   /*!< Auto Baud rate detection
433                                                                               on falling edge           */
434 #define UART_ADVFEATURE_AUTOBAUDRATE_ON0X7FFRAME   USART_CR2_ABRMODE_1   /*!< Auto Baud rate detection
435                                                                               on 0x7F frame detection   */
436 #define UART_ADVFEATURE_AUTOBAUDRATE_ON0X55FRAME   USART_CR2_ABRMODE     /*!< Auto Baud rate detection
437                                                                               on 0x55 frame detection   */
438 /**
439   * @}
440   */
441 
442 /** @defgroup UART_Receiver_Timeout UART Receiver Timeout
443   * @{
444   */
445 #define UART_RECEIVER_TIMEOUT_DISABLE       0x00000000U                /*!< UART Receiver Timeout disable */
446 #define UART_RECEIVER_TIMEOUT_ENABLE        USART_CR2_RTOEN            /*!< UART Receiver Timeout enable  */
447 /**
448   * @}
449   */
450 
451 /** @defgroup UART_LIN    UART Local Interconnection Network mode
452   * @{
453   */
454 #define UART_LIN_DISABLE                    0x00000000U                /*!< Local Interconnect Network disable */
455 #define UART_LIN_ENABLE                     USART_CR2_LINEN            /*!< Local Interconnect Network enable  */
456 /**
457   * @}
458   */
459 
460 /** @defgroup UART_LIN_Break_Detection  UART LIN Break Detection
461   * @{
462   */
463 #define UART_LINBREAKDETECTLENGTH_10B       0x00000000U                /*!< LIN 10-bit break detection length */
464 #define UART_LINBREAKDETECTLENGTH_11B       USART_CR2_LBDL             /*!< LIN 11-bit break detection length  */
465 /**
466   * @}
467   */
468 
469 /** @defgroup UART_DMA_Tx    UART DMA Tx
470   * @{
471   */
472 #define UART_DMA_TX_DISABLE                 0x00000000U                /*!< UART DMA TX disabled */
473 #define UART_DMA_TX_ENABLE                  USART_CR3_DMAT             /*!< UART DMA TX enabled  */
474 /**
475   * @}
476   */
477 
478 /** @defgroup UART_DMA_Rx   UART DMA Rx
479   * @{
480   */
481 #define UART_DMA_RX_DISABLE                 0x00000000U                 /*!< UART DMA RX disabled */
482 #define UART_DMA_RX_ENABLE                  USART_CR3_DMAR              /*!< UART DMA RX enabled  */
483 /**
484   * @}
485   */
486 
487 /** @defgroup UART_Half_Duplex_Selection  UART Half Duplex Selection
488   * @{
489   */
490 #define UART_HALF_DUPLEX_DISABLE            0x00000000U                 /*!< UART half-duplex disabled */
491 #define UART_HALF_DUPLEX_ENABLE             USART_CR3_HDSEL             /*!< UART half-duplex enabled  */
492 /**
493   * @}
494   */
495 
496 /** @defgroup UART_WakeUp_Methods   UART WakeUp Methods
497   * @{
498   */
499 #define UART_WAKEUPMETHOD_IDLELINE          0x00000000U                 /*!< UART wake-up on idle line    */
500 #define UART_WAKEUPMETHOD_ADDRESSMARK       USART_CR1_WAKE              /*!< UART wake-up on address mark */
501 /**
502   * @}
503   */
504 
505 /** @defgroup UART_Request_Parameters UART Request Parameters
506   * @{
507   */
508 #define UART_AUTOBAUD_REQUEST               USART_RQR_ABRRQ        /*!< Auto-Baud Rate Request      */
509 #define UART_SENDBREAK_REQUEST              USART_RQR_SBKRQ        /*!< Send Break Request          */
510 #define UART_MUTE_MODE_REQUEST              USART_RQR_MMRQ         /*!< Mute Mode Request           */
511 #define UART_RXDATA_FLUSH_REQUEST           USART_RQR_RXFRQ        /*!< Receive Data flush Request  */
512 #if defined(USART_RQR_TXFRQ)
513 #define UART_TXDATA_FLUSH_REQUEST           USART_RQR_TXFRQ        /*!< Transmit data flush Request */
514 #endif /* USART_RQR_TXFRQ */
515 /**
516   * @}
517   */
518 
519 /** @defgroup UART_Advanced_Features_Initialization_Type  UART Advanced Feature Initialization Type
520   * @{
521   */
522 #define UART_ADVFEATURE_NO_INIT                 0x00000000U          /*!< No advanced feature initialization       */
523 #define UART_ADVFEATURE_TXINVERT_INIT           0x00000001U          /*!< TX pin active level inversion            */
524 #define UART_ADVFEATURE_RXINVERT_INIT           0x00000002U          /*!< RX pin active level inversion            */
525 #define UART_ADVFEATURE_DATAINVERT_INIT         0x00000004U          /*!< Binary data inversion                    */
526 #define UART_ADVFEATURE_SWAP_INIT               0x00000008U          /*!< TX/RX pins swap                          */
527 #define UART_ADVFEATURE_RXOVERRUNDISABLE_INIT   0x00000010U          /*!< RX overrun disable                       */
528 #define UART_ADVFEATURE_DMADISABLEONERROR_INIT  0x00000020U          /*!< DMA disable on Reception Error           */
529 #define UART_ADVFEATURE_AUTOBAUDRATE_INIT       0x00000040U          /*!< Auto Baud rate detection initialization  */
530 #define UART_ADVFEATURE_MSBFIRST_INIT           0x00000080U          /*!< Most significant bit sent/received first */
531 /**
532   * @}
533   */
534 
535 /** @defgroup UART_Tx_Inv UART Advanced Feature TX Pin Active Level Inversion
536   * @{
537   */
538 #define UART_ADVFEATURE_TXINV_DISABLE       0x00000000U             /*!< TX pin active level inversion disable */
539 #define UART_ADVFEATURE_TXINV_ENABLE        USART_CR2_TXINV         /*!< TX pin active level inversion enable  */
540 /**
541   * @}
542   */
543 
544 /** @defgroup UART_Rx_Inv UART Advanced Feature RX Pin Active Level Inversion
545   * @{
546   */
547 #define UART_ADVFEATURE_RXINV_DISABLE       0x00000000U             /*!< RX pin active level inversion disable */
548 #define UART_ADVFEATURE_RXINV_ENABLE        USART_CR2_RXINV         /*!< RX pin active level inversion enable  */
549 /**
550   * @}
551   */
552 
553 /** @defgroup UART_Data_Inv  UART Advanced Feature Binary Data Inversion
554   * @{
555   */
556 #define UART_ADVFEATURE_DATAINV_DISABLE     0x00000000U             /*!< Binary data inversion disable */
557 #define UART_ADVFEATURE_DATAINV_ENABLE      USART_CR2_DATAINV       /*!< Binary data inversion enable  */
558 /**
559   * @}
560   */
561 
562 /** @defgroup UART_Rx_Tx_Swap UART Advanced Feature RX TX Pins Swap
563   * @{
564   */
565 #define UART_ADVFEATURE_SWAP_DISABLE        0x00000000U             /*!< TX/RX pins swap disable */
566 #define UART_ADVFEATURE_SWAP_ENABLE         USART_CR2_SWAP          /*!< TX/RX pins swap enable  */
567 /**
568   * @}
569   */
570 
571 /** @defgroup UART_Overrun_Disable  UART Advanced Feature Overrun Disable
572   * @{
573   */
574 #define UART_ADVFEATURE_OVERRUN_ENABLE      0x00000000U             /*!< RX overrun enable  */
575 #define UART_ADVFEATURE_OVERRUN_DISABLE     USART_CR3_OVRDIS        /*!< RX overrun disable */
576 /**
577   * @}
578   */
579 
580 /** @defgroup UART_AutoBaudRate_Enable  UART Advanced Feature Auto BaudRate Enable
581   * @{
582   */
583 #define UART_ADVFEATURE_AUTOBAUDRATE_DISABLE   0x00000000U          /*!< RX Auto Baud rate detection enable  */
584 #define UART_ADVFEATURE_AUTOBAUDRATE_ENABLE    USART_CR2_ABREN      /*!< RX Auto Baud rate detection disable */
585 /**
586   * @}
587   */
588 
589 /** @defgroup UART_DMA_Disable_on_Rx_Error   UART Advanced Feature DMA Disable On Rx Error
590   * @{
591   */
592 #define UART_ADVFEATURE_DMA_ENABLEONRXERROR    0x00000000U          /*!< DMA enable on Reception Error  */
593 #define UART_ADVFEATURE_DMA_DISABLEONRXERROR   USART_CR3_DDRE       /*!< DMA disable on Reception Error */
594 /**
595   * @}
596   */
597 
598 /** @defgroup UART_MSB_First   UART Advanced Feature MSB First
599   * @{
600   */
601 #define UART_ADVFEATURE_MSBFIRST_DISABLE    0x00000000U             /*!< Most significant bit sent/received
602                                                                          first disable                      */
603 #define UART_ADVFEATURE_MSBFIRST_ENABLE     USART_CR2_MSBFIRST      /*!< Most significant bit sent/received
604                                                                          first enable                       */
605 /**
606   * @}
607   */
608 #if defined(USART_CR1_UESM)
609 
610 /** @defgroup UART_Stop_Mode_Enable   UART Advanced Feature Stop Mode Enable
611   * @{
612   */
613 #define UART_ADVFEATURE_STOPMODE_DISABLE    0x00000000U             /*!< UART stop mode disable */
614 #define UART_ADVFEATURE_STOPMODE_ENABLE     USART_CR1_UESM          /*!< UART stop mode enable  */
615 /**
616   * @}
617   */
618 #endif /* USART_CR1_UESM */
619 
620 /** @defgroup UART_Mute_Mode   UART Advanced Feature Mute Mode Enable
621   * @{
622   */
623 #define UART_ADVFEATURE_MUTEMODE_DISABLE    0x00000000U             /*!< UART mute mode disable */
624 #define UART_ADVFEATURE_MUTEMODE_ENABLE     USART_CR1_MME           /*!< UART mute mode enable  */
625 /**
626   * @}
627   */
628 
629 /** @defgroup UART_CR2_ADDRESS_LSB_POS    UART Address-matching LSB Position In CR2 Register
630   * @{
631   */
632 #define UART_CR2_ADDRESS_LSB_POS             24U             /*!< UART address-matching LSB position in CR2 register */
633 /**
634   * @}
635   */
636 #if defined(USART_CR1_UESM)
637 
638 /** @defgroup UART_WakeUp_from_Stop_Selection   UART WakeUp From Stop Selection
639   * @{
640   */
641 #if defined(USART_CR3_WUS)
642 #define UART_WAKEUP_ON_ADDRESS              0x00000000U             /*!< UART wake-up on address                     */
643 #define UART_WAKEUP_ON_STARTBIT             USART_CR3_WUS_1         /*!< UART wake-up on start bit                   */
644 #define UART_WAKEUP_ON_READDATA_NONEMPTY    USART_CR3_WUS           /*!< UART wake-up on receive data register
645                                                                          not empty or RXFIFO is not empty            */
646 #else
647 #define UART_WAKEUP_ON_ADDRESS              0x00000000U             /*!< UART wake-up on address                     */
648 #define UART_WAKEUP_ON_READDATA_NONEMPTY    0x00000001U             /*!< UART wake-up on receive data register
649                                                                          not empty or RXFIFO is not empty            */
650 #endif /* USART_CR3_WUS */
651 /**
652   * @}
653   */
654 #endif /* USART_CR1_UESM */
655 
656 /** @defgroup UART_DriverEnable_Polarity      UART DriverEnable Polarity
657   * @{
658   */
659 #define UART_DE_POLARITY_HIGH               0x00000000U             /*!< Driver enable signal is active high */
660 #define UART_DE_POLARITY_LOW                USART_CR3_DEP           /*!< Driver enable signal is active low  */
661 /**
662   * @}
663   */
664 
665 /** @defgroup UART_CR1_DEAT_ADDRESS_LSB_POS    UART Driver Enable Assertion Time LSB Position In CR1 Register
666   * @{
667   */
668 #define UART_CR1_DEAT_ADDRESS_LSB_POS       21U      /*!< UART Driver Enable assertion time LSB
669                                                           position in CR1 register */
670 /**
671   * @}
672   */
673 
674 /** @defgroup UART_CR1_DEDT_ADDRESS_LSB_POS    UART Driver Enable DeAssertion Time LSB Position In CR1 Register
675   * @{
676   */
677 #define UART_CR1_DEDT_ADDRESS_LSB_POS       16U      /*!< UART Driver Enable de-assertion time LSB
678                                                           position in CR1 register */
679 /**
680   * @}
681   */
682 
683 /** @defgroup UART_Interruption_Mask    UART Interruptions Flag Mask
684   * @{
685   */
686 #define UART_IT_MASK                        0x001FU  /*!< UART interruptions flags mask */
687 /**
688   * @}
689   */
690 
691 /** @defgroup UART_TimeOut_Value    UART polling-based communications time-out value
692   * @{
693   */
694 #define HAL_UART_TIMEOUT_VALUE              0x1FFFFFFU  /*!< UART polling-based communications time-out value */
695 /**
696   * @}
697   */
698 
699 /** @defgroup UART_Flags     UART Status Flags
700   *        Elements values convention: 0xXXXX
701   *           - 0xXXXX  : Flag mask in the ISR register
702   * @{
703   */
704 #define UART_FLAG_REACK                     USART_ISR_REACK         /*!< UART receive enable acknowledge flag      */
705 #define UART_FLAG_TEACK                     USART_ISR_TEACK         /*!< UART transmit enable acknowledge flag     */
706 #if defined(USART_CR1_UESM)
707 #if defined(USART_CR3_WUFIE)
708 #define UART_FLAG_WUF                       USART_ISR_WUF           /*!< UART wake-up from stop mode flag          */
709 #endif /* USART_CR3_WUFIE */
710 #endif /* USART_CR1_UESM */
711 #define UART_FLAG_RWU                       USART_ISR_RWU           /*!< UART receiver wake-up from mute mode flag */
712 #define UART_FLAG_SBKF                      USART_ISR_SBKF          /*!< UART send break flag                      */
713 #define UART_FLAG_CMF                       USART_ISR_CMF           /*!< UART character match flag                 */
714 #define UART_FLAG_BUSY                      USART_ISR_BUSY          /*!< UART busy flag                            */
715 #define UART_FLAG_ABRF                      USART_ISR_ABRF          /*!< UART auto Baud rate flag                  */
716 #define UART_FLAG_ABRE                      USART_ISR_ABRE          /*!< UART auto Baud rate error                 */
717 #define UART_FLAG_RTOF                      USART_ISR_RTOF          /*!< UART receiver timeout flag                */
718 #define UART_FLAG_CTS                       USART_ISR_CTS           /*!< UART clear to send flag                   */
719 #define UART_FLAG_CTSIF                     USART_ISR_CTSIF         /*!< UART clear to send interrupt flag         */
720 #define UART_FLAG_LBDF                      USART_ISR_LBDF          /*!< UART LIN break detection flag             */
721 #define UART_FLAG_TXE                       USART_ISR_TXE           /*!< UART transmit data register empty         */
722 #define UART_FLAG_TC                        USART_ISR_TC            /*!< UART transmission complete                */
723 #define UART_FLAG_RXNE                      USART_ISR_RXNE          /*!< UART read data register not empty         */
724 #define UART_FLAG_IDLE                      USART_ISR_IDLE          /*!< UART idle flag                            */
725 #define UART_FLAG_ORE                       USART_ISR_ORE           /*!< UART overrun error                        */
726 #define UART_FLAG_NE                        USART_ISR_NE            /*!< UART noise error                          */
727 #define UART_FLAG_FE                        USART_ISR_FE            /*!< UART frame error                          */
728 #define UART_FLAG_PE                        USART_ISR_PE            /*!< UART parity error                         */
729 /**
730   * @}
731   */
732 
733 /** @defgroup UART_Interrupt_definition   UART Interrupts Definition
734   *        Elements values convention: 000ZZZZZ0XXYYYYYb
735   *           - YYYYY  : Interrupt source position in the XX register (5bits)
736   *           - XX  : Interrupt source register (2bits)
737   *                 - 01: CR1 register
738   *                 - 10: CR2 register
739   *                 - 11: CR3 register
740   *           - ZZZZZ  : Flag position in the ISR register(5bits)
741   *        Elements values convention: 000000000XXYYYYYb
742   *           - YYYYY  : Interrupt source position in the XX register (5bits)
743   *           - XX  : Interrupt source register (2bits)
744   *                 - 01: CR1 register
745   *                 - 10: CR2 register
746   *                 - 11: CR3 register
747   *        Elements values convention: 0000ZZZZ00000000b
748   *           - ZZZZ  : Flag position in the ISR register(4bits)
749   * @{
750   */
751 #define UART_IT_PE                          0x0028U              /*!< UART parity error interruption                 */
752 #define UART_IT_TXE                         0x0727U              /*!< UART transmit data register empty interruption */
753 #define UART_IT_TC                          0x0626U              /*!< UART transmission complete interruption        */
754 #define UART_IT_RXNE                        0x0525U              /*!< UART read data register not empty interruption */
755 #define UART_IT_IDLE                        0x0424U              /*!< UART idle interruption                         */
756 #define UART_IT_LBD                         0x0846U              /*!< UART LIN break detection interruption          */
757 #define UART_IT_CTS                         0x096AU              /*!< UART CTS interruption                          */
758 #define UART_IT_CM                          0x112EU              /*!< UART character match interruption              */
759 #if defined(USART_CR1_UESM)
760 #if defined(USART_CR3_WUFIE)
761 #define UART_IT_WUF                         0x1476U              /*!< UART wake-up from stop mode interruption       */
762 #endif /* USART_CR3_WUFIE */
763 #endif /* USART_CR1_UESM */
764 #define UART_IT_RTO                         0x0B3AU              /*!< UART receiver timeout interruption             */
765 
766 #define UART_IT_ERR                         0x0060U              /*!< UART error interruption                        */
767 
768 #define UART_IT_ORE                         0x0300U              /*!< UART overrun error interruption                */
769 #define UART_IT_NE                          0x0200U              /*!< UART noise error interruption                  */
770 #define UART_IT_FE                          0x0100U              /*!< UART frame error interruption                  */
771 /**
772   * @}
773   */
774 
775 /** @defgroup UART_IT_CLEAR_Flags  UART Interruption Clear Flags
776   * @{
777   */
778 #define UART_CLEAR_PEF                       USART_ICR_PECF            /*!< Parity Error Clear Flag           */
779 #define UART_CLEAR_FEF                       USART_ICR_FECF            /*!< Framing Error Clear Flag          */
780 #define UART_CLEAR_NEF                       USART_ICR_NCF             /*!< Noise Error detected Clear Flag   */
781 #define UART_CLEAR_OREF                      USART_ICR_ORECF           /*!< Overrun Error Clear Flag          */
782 #define UART_CLEAR_IDLEF                     USART_ICR_IDLECF          /*!< IDLE line detected Clear Flag     */
783 #define UART_CLEAR_TCF                       USART_ICR_TCCF            /*!< Transmission Complete Clear Flag  */
784 #define UART_CLEAR_LBDF                      USART_ICR_LBDCF           /*!< LIN Break Detection Clear Flag    */
785 #define UART_CLEAR_CTSF                      USART_ICR_CTSCF           /*!< CTS Interrupt Clear Flag          */
786 #define UART_CLEAR_CMF                       USART_ICR_CMCF            /*!< Character Match Clear Flag        */
787 #if defined(USART_CR1_UESM)
788 #if defined(USART_CR3_WUFIE)
789 #define UART_CLEAR_WUF                       USART_ICR_WUCF            /*!< Wake Up from stop mode Clear Flag */
790 #endif /* USART_CR3_WUFIE */
791 #endif /* USART_CR1_UESM */
792 #define UART_CLEAR_RTOF                      USART_ICR_RTOCF           /*!< UART receiver timeout clear flag  */
793 /**
794   * @}
795   */
796 
797 /** @defgroup UART_Reception_Type_Values  UART Reception type values
798   * @{
799   */
800 #define HAL_UART_RECEPTION_STANDARD          (0x00000000U)             /*!< Standard reception                       */
801 #define HAL_UART_RECEPTION_TOIDLE            (0x00000001U)             /*!< Reception till completion or IDLE event  */
802 #define HAL_UART_RECEPTION_TORTO             (0x00000002U)             /*!< Reception till completion or RTO event   */
803 #define HAL_UART_RECEPTION_TOCHARMATCH       (0x00000003U)             /*!< Reception till completion or CM event    */
804 /**
805   * @}
806   */
807 
808 /** @defgroup UART_RxEvent_Type_Values  UART RxEvent type values
809   * @{
810   */
811 #define HAL_UART_RXEVENT_TC                  (0x00000000U)             /*!< RxEvent linked to Transfer Complete event */
812 #define HAL_UART_RXEVENT_HT                  (0x00000001U)             /*!< RxEvent linked to Half Transfer event     */
813 #define HAL_UART_RXEVENT_IDLE                (0x00000002U)             /*!< RxEvent linked to IDLE event              */
814 /**
815   * @}
816   */
817 
818 /**
819   * @}
820   */
821 
822 /* Exported macros -----------------------------------------------------------*/
823 /** @defgroup UART_Exported_Macros UART Exported Macros
824   * @{
825   */
826 
827 /** @brief  Reset UART handle states.
828   * @param  __HANDLE__ UART handle.
829   * @retval None
830   */
831 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
832 #define __HAL_UART_RESET_HANDLE_STATE(__HANDLE__)  do{                                                   \
833                                                        (__HANDLE__)->gState = HAL_UART_STATE_RESET;      \
834                                                        (__HANDLE__)->RxState = HAL_UART_STATE_RESET;     \
835                                                        (__HANDLE__)->MspInitCallback = NULL;             \
836                                                        (__HANDLE__)->MspDeInitCallback = NULL;           \
837                                                      } while(0U)
838 #else
839 #define __HAL_UART_RESET_HANDLE_STATE(__HANDLE__)  do{                                                   \
840                                                        (__HANDLE__)->gState = HAL_UART_STATE_RESET;      \
841                                                        (__HANDLE__)->RxState = HAL_UART_STATE_RESET;     \
842                                                      } while(0U)
843 #endif /*USE_HAL_UART_REGISTER_CALLBACKS */
844 
845 /** @brief  Flush the UART Data registers.
846   * @param  __HANDLE__ specifies the UART Handle.
847   * @retval None
848   */
849 #if defined(USART_RQR_TXFRQ)
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 #else
856 #define __HAL_UART_FLUSH_DRREGISTER(__HANDLE__)  \
857   do{                \
858     SET_BIT((__HANDLE__)->Instance->RQR, UART_RXDATA_FLUSH_REQUEST); \
859   }  while(0U)
860 #endif /* USART_RQR_TXFRQ */
861 
862 /** @brief  Clear the specified UART pending flag.
863   * @param  __HANDLE__ specifies the UART Handle.
864   * @param  __FLAG__ specifies the flag to check.
865   *          This parameter can be any combination of the following values:
866   *            @arg @ref UART_CLEAR_PEF      Parity Error Clear Flag
867   *            @arg @ref UART_CLEAR_FEF      Framing Error Clear Flag
868   *            @arg @ref UART_CLEAR_NEF      Noise detected Clear Flag
869   *            @arg @ref UART_CLEAR_OREF     Overrun Error Clear Flag
870   *            @arg @ref UART_CLEAR_IDLEF    IDLE line detected Clear Flag
871   *            @arg @ref UART_CLEAR_TCF      Transmission Complete Clear Flag
872   *            @arg @ref UART_CLEAR_RTOF     Receiver Timeout clear flag
873   *            @arg @ref UART_CLEAR_LBDF     LIN Break Detection Clear Flag
874   *            @arg @ref UART_CLEAR_CTSF     CTS Interrupt Clear Flag
875   *            @arg @ref UART_CLEAR_CMF      Character Match Clear Flag
876 #if defined(USART_CR1_UESM)
877 #if defined(USART_CR3_WUFIE)
878   *            @arg @ref UART_CLEAR_WUF      Wake Up from stop mode Clear Flag
879 #endif
880 #endif
881   * @retval None
882   */
883 #define __HAL_UART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->ICR = (__FLAG__))
884 
885 /** @brief  Clear the UART PE pending flag.
886   * @param  __HANDLE__ specifies the UART Handle.
887   * @retval None
888   */
889 #define __HAL_UART_CLEAR_PEFLAG(__HANDLE__)   __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_PEF)
890 
891 /** @brief  Clear the UART FE pending flag.
892   * @param  __HANDLE__ specifies the UART Handle.
893   * @retval None
894   */
895 #define __HAL_UART_CLEAR_FEFLAG(__HANDLE__)   __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_FEF)
896 
897 /** @brief  Clear the UART NE pending flag.
898   * @param  __HANDLE__ specifies the UART Handle.
899   * @retval None
900   */
901 #define __HAL_UART_CLEAR_NEFLAG(__HANDLE__)  __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_NEF)
902 
903 /** @brief  Clear the UART ORE pending flag.
904   * @param  __HANDLE__ specifies the UART Handle.
905   * @retval None
906   */
907 #define __HAL_UART_CLEAR_OREFLAG(__HANDLE__)   __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_OREF)
908 
909 /** @brief  Clear the UART IDLE pending flag.
910   * @param  __HANDLE__ specifies the UART Handle.
911   * @retval None
912   */
913 #define __HAL_UART_CLEAR_IDLEFLAG(__HANDLE__)   __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_IDLEF)
914 
915 
916 /** @brief  Check whether the specified UART flag is set or not.
917   * @param  __HANDLE__ specifies the UART Handle.
918   * @param  __FLAG__ specifies the flag to check.
919   *        This parameter can be one of the following values:
920   *            @arg @ref UART_FLAG_REACK Receive enable acknowledge flag
921   *            @arg @ref UART_FLAG_TEACK Transmit enable acknowledge flag
922 #if defined(USART_CR1_UESM)
923 #if defined(USART_CR3_WUFIE)
924   *            @arg @ref UART_FLAG_WUF   Wake up from stop mode flag
925 #endif
926 #endif
927   *            @arg @ref UART_FLAG_RWU   Receiver wake up flag (if the UART in mute mode)
928   *            @arg @ref UART_FLAG_SBKF  Send Break flag
929   *            @arg @ref UART_FLAG_CMF   Character match flag
930   *            @arg @ref UART_FLAG_BUSY  Busy flag
931   *            @arg @ref UART_FLAG_ABRF  Auto Baud rate detection flag
932   *            @arg @ref UART_FLAG_ABRE  Auto Baud rate detection error flag
933   *            @arg @ref UART_FLAG_CTS   CTS Change flag
934   *            @arg @ref UART_FLAG_LBDF  LIN Break detection flag
935   *            @arg @ref UART_FLAG_TXE   Transmit data register empty flag
936   *            @arg @ref UART_FLAG_TC    Transmission Complete flag
937   *            @arg @ref UART_FLAG_RXNE  Receive data register not empty flag
938   *            @arg @ref UART_FLAG_RTOF  Receiver Timeout flag
939   *            @arg @ref UART_FLAG_IDLE  Idle Line detection flag
940   *            @arg @ref UART_FLAG_ORE   Overrun Error flag
941   *            @arg @ref UART_FLAG_NE    Noise Error flag
942   *            @arg @ref UART_FLAG_FE    Framing Error flag
943   *            @arg @ref UART_FLAG_PE    Parity Error flag
944   * @retval The new state of __FLAG__ (TRUE or FALSE).
945   */
946 #define __HAL_UART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->ISR & (__FLAG__)) == (__FLAG__))
947 
948 /** @brief  Enable the specified UART interrupt.
949   * @param  __HANDLE__ specifies the UART Handle.
950   * @param  __INTERRUPT__ specifies the UART interrupt source to enable.
951   *          This parameter can be one of the following values:
952 #if defined(USART_CR1_UESM)
953 #if defined(USART_CR3_WUFIE)
954   *            @arg @ref UART_IT_WUF   Wakeup from stop mode interrupt
955 #endif
956 #endif
957   *            @arg @ref UART_IT_CM    Character match interrupt
958   *            @arg @ref UART_IT_CTS   CTS change interrupt
959   *            @arg @ref UART_IT_LBD   LIN Break detection interrupt
960   *            @arg @ref UART_IT_TXE   Transmit Data Register empty interrupt
961   *            @arg @ref UART_IT_TC    Transmission complete interrupt
962   *            @arg @ref UART_IT_RXNE  Receive Data register not empty interrupt
963   *            @arg @ref UART_IT_RTO   Receive Timeout interrupt
964   *            @arg @ref UART_IT_IDLE  Idle line detection interrupt
965   *            @arg @ref UART_IT_PE    Parity Error interrupt
966   *            @arg @ref UART_IT_ERR   Error interrupt (frame error, noise error, overrun error)
967   * @retval None
968   */
969 #define __HAL_UART_ENABLE_IT(__HANDLE__, __INTERRUPT__)   (\
970                                                            ((((uint8_t)(__INTERRUPT__)) >> 5U) == 1U)?\
971                                                            ((__HANDLE__)->Instance->CR1 |= (1U <<\
972                                                                ((__INTERRUPT__) & UART_IT_MASK))): \
973                                                            ((((uint8_t)(__INTERRUPT__)) >> 5U) == 2U)?\
974                                                            ((__HANDLE__)->Instance->CR2 |= (1U <<\
975                                                                ((__INTERRUPT__) & UART_IT_MASK))): \
976                                                            ((__HANDLE__)->Instance->CR3 |= (1U <<\
977                                                                ((__INTERRUPT__) & UART_IT_MASK))))
978 
979 /** @brief  Disable the specified UART interrupt.
980   * @param  __HANDLE__ specifies the UART Handle.
981   * @param  __INTERRUPT__ specifies the UART interrupt source to disable.
982   *          This parameter can be one of the following values:
983 #if defined(USART_CR1_UESM)
984 #if defined(USART_CR3_WUFIE)
985   *            @arg @ref UART_IT_WUF   Wakeup from stop mode interrupt
986 #endif
987 #endif
988   *            @arg @ref UART_IT_CM    Character match interrupt
989   *            @arg @ref UART_IT_CTS   CTS change interrupt
990   *            @arg @ref UART_IT_LBD   LIN Break detection interrupt
991   *            @arg @ref UART_IT_TXE   Transmit Data Register empty interrupt
992   *            @arg @ref UART_IT_TC    Transmission complete interrupt
993   *            @arg @ref UART_IT_RXNE  Receive Data register not empty interrupt
994   *            @arg @ref UART_IT_RTO   Receive Timeout interrupt
995   *            @arg @ref UART_IT_IDLE  Idle line detection interrupt
996   *            @arg @ref UART_IT_PE    Parity Error interrupt
997   *            @arg @ref UART_IT_ERR   Error interrupt (Frame error, noise error, overrun error)
998   * @retval None
999   */
1000 #define __HAL_UART_DISABLE_IT(__HANDLE__, __INTERRUPT__)  (\
1001                                                            ((((uint8_t)(__INTERRUPT__)) >> 5U) == 1U)?\
1002                                                            ((__HANDLE__)->Instance->CR1 &= ~ (1U <<\
1003                                                                ((__INTERRUPT__) & UART_IT_MASK))): \
1004                                                            ((((uint8_t)(__INTERRUPT__)) >> 5U) == 2U)?\
1005                                                            ((__HANDLE__)->Instance->CR2 &= ~ (1U <<\
1006                                                                ((__INTERRUPT__) & UART_IT_MASK))): \
1007                                                            ((__HANDLE__)->Instance->CR3 &= ~ (1U <<\
1008                                                                ((__INTERRUPT__) & UART_IT_MASK))))
1009 
1010 /** @brief  Check whether the specified UART interrupt has occurred or not.
1011   * @param  __HANDLE__ specifies the UART Handle.
1012   * @param  __INTERRUPT__ specifies the UART interrupt to check.
1013   *          This parameter can be one of the following values:
1014 #if defined(USART_CR1_UESM)
1015 #if defined(USART_CR3_WUFIE)
1016   *            @arg @ref UART_IT_WUF   Wakeup from stop mode interrupt
1017 #endif
1018 #endif
1019   *            @arg @ref UART_IT_CM    Character match interrupt
1020   *            @arg @ref UART_IT_CTS   CTS change interrupt
1021   *            @arg @ref UART_IT_LBD   LIN Break detection interrupt
1022   *            @arg @ref UART_IT_TXE   Transmit Data Register empty interrupt
1023   *            @arg @ref UART_IT_TC    Transmission complete interrupt
1024   *            @arg @ref UART_IT_RXNE  Receive Data register not empty interrupt
1025   *            @arg @ref UART_IT_RTO   Receive Timeout interrupt
1026   *            @arg @ref UART_IT_IDLE  Idle line detection interrupt
1027   *            @arg @ref UART_IT_PE    Parity Error interrupt
1028   *            @arg @ref UART_IT_ERR   Error interrupt (Frame error, noise error, overrun error)
1029   * @retval The new state of __INTERRUPT__ (SET or RESET).
1030   */
1031 #define __HAL_UART_GET_IT(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->ISR\
1032                                                         & (1U << ((__INTERRUPT__)>> 8U))) != RESET) ? SET : RESET)
1033 
1034 /** @brief  Check whether the specified UART interrupt source is enabled or not.
1035   * @param  __HANDLE__ specifies the UART Handle.
1036   * @param  __INTERRUPT__ specifies the UART interrupt source to check.
1037   *          This parameter can be one of the following values:
1038 #if defined(USART_CR1_UESM)
1039 #if defined(USART_CR3_WUFIE)
1040   *            @arg @ref UART_IT_WUF   Wakeup from stop mode interrupt
1041 #endif
1042 #endif
1043   *            @arg @ref UART_IT_CM    Character match interrupt
1044   *            @arg @ref UART_IT_CTS   CTS change interrupt
1045   *            @arg @ref UART_IT_LBD   LIN Break detection interrupt
1046   *            @arg @ref UART_IT_TXE   Transmit Data Register empty interrupt
1047   *            @arg @ref UART_IT_TC    Transmission complete interrupt
1048   *            @arg @ref UART_IT_RXNE  Receive Data register not empty interrupt
1049   *            @arg @ref UART_IT_RTO   Receive Timeout interrupt
1050   *            @arg @ref UART_IT_IDLE  Idle line detection interrupt
1051   *            @arg @ref UART_IT_PE    Parity Error interrupt
1052   *            @arg @ref UART_IT_ERR   Error interrupt (Frame error, noise error, overrun error)
1053   * @retval The new state of __INTERRUPT__ (SET or RESET).
1054   */
1055 #define __HAL_UART_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((((((uint8_t)(__INTERRUPT__)) >> 5U) == 1U) ?\
1056                                                                 (__HANDLE__)->Instance->CR1 : \
1057                                                                 (((((uint8_t)(__INTERRUPT__)) >> 5U) == 2U) ?\
1058                                                                  (__HANDLE__)->Instance->CR2 : \
1059                                                                  (__HANDLE__)->Instance->CR3)) & (1U <<\
1060                                                                      (((uint16_t)(__INTERRUPT__)) &\
1061                                                                       UART_IT_MASK)))  != RESET) ? SET : RESET)
1062 
1063 /** @brief  Clear the specified UART ISR flag, in setting the proper ICR register flag.
1064   * @param  __HANDLE__ specifies the UART Handle.
1065   * @param  __IT_CLEAR__ specifies the interrupt clear register flag that needs to be set
1066   *                       to clear the corresponding interrupt
1067   *          This parameter can be one of the following values:
1068   *            @arg @ref UART_CLEAR_PEF    Parity Error Clear Flag
1069   *            @arg @ref UART_CLEAR_FEF    Framing Error Clear Flag
1070   *            @arg @ref UART_CLEAR_NEF    Noise detected Clear Flag
1071   *            @arg @ref UART_CLEAR_OREF   Overrun Error Clear Flag
1072   *            @arg @ref UART_CLEAR_IDLEF  IDLE line detected Clear Flag
1073   *            @arg @ref UART_CLEAR_RTOF   Receiver timeout clear flag
1074   *            @arg @ref UART_CLEAR_TCF    Transmission Complete Clear Flag
1075   *            @arg @ref UART_CLEAR_LBDF   LIN Break Detection Clear Flag
1076   *            @arg @ref UART_CLEAR_CTSF   CTS Interrupt Clear Flag
1077   *            @arg @ref UART_CLEAR_CMF    Character Match Clear Flag
1078 #if defined(USART_CR1_UESM)
1079 #if defined(USART_CR3_WUFIE)
1080   *            @arg @ref UART_CLEAR_WUF    Wake Up from stop mode Clear Flag
1081 #endif
1082 #endif
1083   * @retval None
1084   */
1085 #define __HAL_UART_CLEAR_IT(__HANDLE__, __IT_CLEAR__) ((__HANDLE__)->Instance->ICR = (uint32_t)(__IT_CLEAR__))
1086 
1087 /** @brief  Set a specific UART request flag.
1088   * @param  __HANDLE__ specifies the UART Handle.
1089   * @param  __REQ__ specifies the request flag to set
1090   *          This parameter can be one of the following values:
1091   *            @arg @ref UART_AUTOBAUD_REQUEST Auto-Baud Rate Request
1092   *            @arg @ref UART_SENDBREAK_REQUEST Send Break Request
1093   *            @arg @ref UART_MUTE_MODE_REQUEST Mute Mode Request
1094   *            @arg @ref UART_RXDATA_FLUSH_REQUEST Receive Data flush Request
1095 #if defined(USART_RQR_TXFRQ)
1096   *            @arg @ref UART_TXDATA_FLUSH_REQUEST Transmit data flush Request
1097 #endif
1098   * @retval None
1099   */
1100 #define __HAL_UART_SEND_REQ(__HANDLE__, __REQ__) ((__HANDLE__)->Instance->RQR |= (uint16_t)(__REQ__))
1101 
1102 /** @brief  Enable the UART one bit sample method.
1103   * @param  __HANDLE__ specifies the UART Handle.
1104   * @retval None
1105   */
1106 #define __HAL_UART_ONE_BIT_SAMPLE_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3|= USART_CR3_ONEBIT)
1107 
1108 /** @brief  Disable the UART one bit sample method.
1109   * @param  __HANDLE__ specifies the UART Handle.
1110   * @retval None
1111   */
1112 #define __HAL_UART_ONE_BIT_SAMPLE_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 &= ~USART_CR3_ONEBIT)
1113 
1114 /** @brief  Enable UART.
1115   * @param  __HANDLE__ specifies the UART Handle.
1116   * @retval None
1117   */
1118 #define __HAL_UART_ENABLE(__HANDLE__)                   ((__HANDLE__)->Instance->CR1 |= USART_CR1_UE)
1119 
1120 /** @brief  Disable UART.
1121   * @param  __HANDLE__ specifies the UART Handle.
1122   * @retval None
1123   */
1124 #define __HAL_UART_DISABLE(__HANDLE__)                  ((__HANDLE__)->Instance->CR1 &= ~USART_CR1_UE)
1125 
1126 /** @brief  Enable CTS flow control.
1127   * @note   This macro allows to enable CTS hardware flow control for a given UART instance,
1128   *         without need to call HAL_UART_Init() function.
1129   *         As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
1130   * @note   As macro is expected to be used for modifying CTS Hw flow control feature activation, without need
1131   *         for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
1132   *           - UART instance should have already been initialised (through call of HAL_UART_Init() )
1133   *           - macro could only be called when corresponding UART instance is disabled
1134   *             (i.e. __HAL_UART_DISABLE(__HANDLE__)) and should be followed by an Enable
1135   *              macro (i.e. __HAL_UART_ENABLE(__HANDLE__)).
1136   * @param  __HANDLE__ specifies the UART Handle.
1137   * @retval None
1138   */
1139 #define __HAL_UART_HWCONTROL_CTS_ENABLE(__HANDLE__)               \
1140   do{                                                             \
1141     ATOMIC_SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE);  \
1142     (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_CTSE;               \
1143   } while(0U)
1144 
1145 /** @brief  Disable CTS flow control.
1146   * @note   This macro allows to disable CTS hardware flow control for a given UART instance,
1147   *         without need to call HAL_UART_Init() function.
1148   *         As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
1149   * @note   As macro is expected to be used for modifying CTS Hw flow control feature activation, without need
1150   *         for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
1151   *           - UART instance should have already been initialised (through call of HAL_UART_Init() )
1152   *           - macro could only be called when corresponding UART instance is disabled
1153   *             (i.e. __HAL_UART_DISABLE(__HANDLE__)) and should be followed by an Enable
1154   *              macro (i.e. __HAL_UART_ENABLE(__HANDLE__)).
1155   * @param  __HANDLE__ specifies the UART Handle.
1156   * @retval None
1157   */
1158 #define __HAL_UART_HWCONTROL_CTS_DISABLE(__HANDLE__)               \
1159   do{                                                              \
1160     ATOMIC_CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE); \
1161     (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_CTSE);             \
1162   } while(0U)
1163 
1164 /** @brief  Enable RTS flow control.
1165   * @note   This macro allows to enable RTS hardware flow control for a given UART instance,
1166   *         without need to call HAL_UART_Init() function.
1167   *         As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
1168   * @note   As macro is expected to be used for modifying RTS Hw flow control feature activation, without need
1169   *         for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
1170   *           - UART instance should have already been initialised (through call of HAL_UART_Init() )
1171   *           - macro could only be called when corresponding UART instance is disabled
1172   *             (i.e. __HAL_UART_DISABLE(__HANDLE__)) and should be followed by an Enable
1173   *              macro (i.e. __HAL_UART_ENABLE(__HANDLE__)).
1174   * @param  __HANDLE__ specifies the UART Handle.
1175   * @retval None
1176   */
1177 #define __HAL_UART_HWCONTROL_RTS_ENABLE(__HANDLE__)              \
1178   do{                                                            \
1179     ATOMIC_SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE); \
1180     (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_RTSE;              \
1181   } while(0U)
1182 
1183 /** @brief  Disable RTS flow control.
1184   * @note   This macro allows to disable RTS hardware flow control for a given UART instance,
1185   *         without need to call HAL_UART_Init() function.
1186   *         As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
1187   * @note   As macro is expected to be used for modifying RTS Hw flow control feature activation, without need
1188   *         for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
1189   *           - UART instance should have already been initialised (through call of HAL_UART_Init() )
1190   *           - macro could only be called when corresponding UART instance is disabled
1191   *             (i.e. __HAL_UART_DISABLE(__HANDLE__)) and should be followed by an Enable
1192   *              macro (i.e. __HAL_UART_ENABLE(__HANDLE__)).
1193   * @param  __HANDLE__ specifies the UART Handle.
1194   * @retval None
1195   */
1196 #define __HAL_UART_HWCONTROL_RTS_DISABLE(__HANDLE__)              \
1197   do{                                                             \
1198     ATOMIC_CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE);\
1199     (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_RTSE);            \
1200   } while(0U)
1201 /**
1202   * @}
1203   */
1204 
1205 /* Private macros --------------------------------------------------------*/
1206 /** @defgroup UART_Private_Macros   UART Private Macros
1207   * @{
1208   */
1209 
1210 
1211 /** @brief  BRR division operation to set BRR register in 8-bit oversampling mode.
1212   * @param  __PCLK__ UART clock.
1213   * @param  __BAUD__ Baud rate set by the user.
1214   * @retval Division result
1215   */
1216 #define UART_DIV_SAMPLING8(__PCLK__, __BAUD__)   ((((__PCLK__)*2U) + ((__BAUD__)/2U)) / (__BAUD__))
1217 
1218 /** @brief  BRR division operation to set BRR register in 16-bit oversampling mode.
1219   * @param  __PCLK__ UART clock.
1220   * @param  __BAUD__ Baud rate set by the user.
1221   * @retval Division result
1222   */
1223 #define UART_DIV_SAMPLING16(__PCLK__, __BAUD__)  (((__PCLK__) + ((__BAUD__)/2U)) / (__BAUD__))
1224 
1225 
1226 /** @brief  Check UART Baud rate.
1227   * @param  __BAUDRATE__ Baudrate specified by the user.
1228   *         The maximum Baud Rate is derived from the maximum clock on F0 (i.e. 48 MHz)
1229   *         divided by the smallest oversampling used on the USART (i.e. 8)
1230   * @retval SET (__BAUDRATE__ is valid) or RESET (__BAUDRATE__ is invalid)
1231   */
1232 #define IS_UART_BAUDRATE(__BAUDRATE__) ((__BAUDRATE__) < 6000001U)
1233 
1234 /** @brief  Check UART assertion time.
1235   * @param  __TIME__ 5-bit value assertion time.
1236   * @retval Test result (TRUE or FALSE).
1237   */
1238 #define IS_UART_ASSERTIONTIME(__TIME__)    ((__TIME__) <= 0x1FU)
1239 
1240 /** @brief  Check UART deassertion time.
1241   * @param  __TIME__ 5-bit value deassertion time.
1242   * @retval Test result (TRUE or FALSE).
1243   */
1244 #define IS_UART_DEASSERTIONTIME(__TIME__) ((__TIME__) <= 0x1FU)
1245 
1246 /**
1247   * @brief Ensure that UART frame number of stop bits is valid.
1248   * @param __STOPBITS__ UART frame number of stop bits.
1249   * @retval SET (__STOPBITS__ is valid) or RESET (__STOPBITS__ is invalid)
1250   */
1251 #define IS_UART_STOPBITS(__STOPBITS__) (((__STOPBITS__) == UART_STOPBITS_0_5) || \
1252                                         ((__STOPBITS__) == UART_STOPBITS_1)   || \
1253                                         ((__STOPBITS__) == UART_STOPBITS_1_5) || \
1254                                         ((__STOPBITS__) == UART_STOPBITS_2))
1255 
1256 
1257 /**
1258   * @brief Ensure that UART frame parity is valid.
1259   * @param __PARITY__ UART frame parity.
1260   * @retval SET (__PARITY__ is valid) or RESET (__PARITY__ is invalid)
1261   */
1262 #define IS_UART_PARITY(__PARITY__) (((__PARITY__) == UART_PARITY_NONE) || \
1263                                     ((__PARITY__) == UART_PARITY_EVEN) || \
1264                                     ((__PARITY__) == UART_PARITY_ODD))
1265 
1266 /**
1267   * @brief Ensure that UART hardware flow control is valid.
1268   * @param __CONTROL__ UART hardware flow control.
1269   * @retval SET (__CONTROL__ is valid) or RESET (__CONTROL__ is invalid)
1270   */
1271 #define IS_UART_HARDWARE_FLOW_CONTROL(__CONTROL__)\
1272   (((__CONTROL__) == UART_HWCONTROL_NONE) || \
1273    ((__CONTROL__) == UART_HWCONTROL_RTS)  || \
1274    ((__CONTROL__) == UART_HWCONTROL_CTS)  || \
1275    ((__CONTROL__) == UART_HWCONTROL_RTS_CTS))
1276 
1277 /**
1278   * @brief Ensure that UART communication mode is valid.
1279   * @param __MODE__ UART communication mode.
1280   * @retval SET (__MODE__ is valid) or RESET (__MODE__ is invalid)
1281   */
1282 #define IS_UART_MODE(__MODE__) ((((__MODE__) & (~((uint32_t)(UART_MODE_TX_RX)))) == 0x00U) && ((__MODE__) != 0x00U))
1283 
1284 /**
1285   * @brief Ensure that UART state is valid.
1286   * @param __STATE__ UART state.
1287   * @retval SET (__STATE__ is valid) or RESET (__STATE__ is invalid)
1288   */
1289 #define IS_UART_STATE(__STATE__) (((__STATE__) == UART_STATE_DISABLE) || \
1290                                   ((__STATE__) == UART_STATE_ENABLE))
1291 
1292 /**
1293   * @brief Ensure that UART oversampling is valid.
1294   * @param __SAMPLING__ UART oversampling.
1295   * @retval SET (__SAMPLING__ is valid) or RESET (__SAMPLING__ is invalid)
1296   */
1297 #define IS_UART_OVERSAMPLING(__SAMPLING__) (((__SAMPLING__) == UART_OVERSAMPLING_16) || \
1298                                             ((__SAMPLING__) == UART_OVERSAMPLING_8))
1299 
1300 /**
1301   * @brief Ensure that UART frame sampling is valid.
1302   * @param __ONEBIT__ UART frame sampling.
1303   * @retval SET (__ONEBIT__ is valid) or RESET (__ONEBIT__ is invalid)
1304   */
1305 #define IS_UART_ONE_BIT_SAMPLE(__ONEBIT__) (((__ONEBIT__) == UART_ONE_BIT_SAMPLE_DISABLE) || \
1306                                             ((__ONEBIT__) == UART_ONE_BIT_SAMPLE_ENABLE))
1307 
1308 /**
1309   * @brief Ensure that UART auto Baud rate detection mode is valid.
1310   * @param __MODE__ UART auto Baud rate detection mode.
1311   * @retval SET (__MODE__ is valid) or RESET (__MODE__ is invalid)
1312   */
1313 #define IS_UART_ADVFEATURE_AUTOBAUDRATEMODE(__MODE__)  (((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ONSTARTBIT)    || \
1314                                                         ((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ONFALLINGEDGE) || \
1315                                                         ((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ON0X7FFRAME)   || \
1316                                                         ((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ON0X55FRAME))
1317 
1318 /**
1319   * @brief Ensure that UART receiver timeout setting is valid.
1320   * @param __TIMEOUT__ UART receiver timeout setting.
1321   * @retval SET (__TIMEOUT__ is valid) or RESET (__TIMEOUT__ is invalid)
1322   */
1323 #define IS_UART_RECEIVER_TIMEOUT(__TIMEOUT__)  (((__TIMEOUT__) == UART_RECEIVER_TIMEOUT_DISABLE) || \
1324                                                 ((__TIMEOUT__) == UART_RECEIVER_TIMEOUT_ENABLE))
1325 
1326 /** @brief  Check the receiver timeout value.
1327   * @note   The maximum UART receiver timeout value is 0xFFFFFF.
1328   * @param  __TIMEOUTVALUE__ receiver timeout value.
1329   * @retval Test result (TRUE or FALSE)
1330   */
1331 #define IS_UART_RECEIVER_TIMEOUT_VALUE(__TIMEOUTVALUE__)  ((__TIMEOUTVALUE__) <= 0xFFFFFFU)
1332 
1333 /**
1334   * @brief Ensure that UART LIN state is valid.
1335   * @param __LIN__ UART LIN state.
1336   * @retval SET (__LIN__ is valid) or RESET (__LIN__ is invalid)
1337   */
1338 #define IS_UART_LIN(__LIN__)        (((__LIN__) == UART_LIN_DISABLE) || \
1339                                      ((__LIN__) == UART_LIN_ENABLE))
1340 
1341 /**
1342   * @brief Ensure that UART LIN break detection length is valid.
1343   * @param __LENGTH__ UART LIN break detection length.
1344   * @retval SET (__LENGTH__ is valid) or RESET (__LENGTH__ is invalid)
1345   */
1346 #define IS_UART_LIN_BREAK_DETECT_LENGTH(__LENGTH__) (((__LENGTH__) == UART_LINBREAKDETECTLENGTH_10B) || \
1347                                                      ((__LENGTH__) == UART_LINBREAKDETECTLENGTH_11B))
1348 
1349 /**
1350   * @brief Ensure that UART DMA TX state is valid.
1351   * @param __DMATX__ UART DMA TX state.
1352   * @retval SET (__DMATX__ is valid) or RESET (__DMATX__ is invalid)
1353   */
1354 #define IS_UART_DMA_TX(__DMATX__)     (((__DMATX__) == UART_DMA_TX_DISABLE) || \
1355                                        ((__DMATX__) == UART_DMA_TX_ENABLE))
1356 
1357 /**
1358   * @brief Ensure that UART DMA RX state is valid.
1359   * @param __DMARX__ UART DMA RX state.
1360   * @retval SET (__DMARX__ is valid) or RESET (__DMARX__ is invalid)
1361   */
1362 #define IS_UART_DMA_RX(__DMARX__)     (((__DMARX__) == UART_DMA_RX_DISABLE) || \
1363                                        ((__DMARX__) == UART_DMA_RX_ENABLE))
1364 
1365 /**
1366   * @brief Ensure that UART half-duplex state is valid.
1367   * @param __HDSEL__ UART half-duplex state.
1368   * @retval SET (__HDSEL__ is valid) or RESET (__HDSEL__ is invalid)
1369   */
1370 #define IS_UART_HALF_DUPLEX(__HDSEL__)     (((__HDSEL__) == UART_HALF_DUPLEX_DISABLE) || \
1371                                             ((__HDSEL__) == UART_HALF_DUPLEX_ENABLE))
1372 
1373 /**
1374   * @brief Ensure that UART wake-up method is valid.
1375   * @param __WAKEUP__ UART wake-up method .
1376   * @retval SET (__WAKEUP__ is valid) or RESET (__WAKEUP__ is invalid)
1377   */
1378 #define IS_UART_WAKEUPMETHOD(__WAKEUP__) (((__WAKEUP__) == UART_WAKEUPMETHOD_IDLELINE) || \
1379                                           ((__WAKEUP__) == UART_WAKEUPMETHOD_ADDRESSMARK))
1380 
1381 /**
1382   * @brief Ensure that UART request parameter is valid.
1383   * @param __PARAM__ UART request parameter.
1384   * @retval SET (__PARAM__ is valid) or RESET (__PARAM__ is invalid)
1385   */
1386 #if defined(USART_RQR_TXFRQ)
1387 #define IS_UART_REQUEST_PARAMETER(__PARAM__) (((__PARAM__) == UART_AUTOBAUD_REQUEST)     || \
1388                                               ((__PARAM__) == UART_SENDBREAK_REQUEST)    || \
1389                                               ((__PARAM__) == UART_MUTE_MODE_REQUEST)    || \
1390                                               ((__PARAM__) == UART_RXDATA_FLUSH_REQUEST) || \
1391                                               ((__PARAM__) == UART_TXDATA_FLUSH_REQUEST))
1392 #else
1393 #define IS_UART_REQUEST_PARAMETER(__PARAM__) (((__PARAM__) == UART_AUTOBAUD_REQUEST)     || \
1394                                               ((__PARAM__) == UART_SENDBREAK_REQUEST)    || \
1395                                               ((__PARAM__) == UART_MUTE_MODE_REQUEST)    || \
1396                                               ((__PARAM__) == UART_RXDATA_FLUSH_REQUEST))
1397 #endif /* USART_RQR_TXFRQ */
1398 
1399 /**
1400   * @brief Ensure that UART advanced features initialization is valid.
1401   * @param __INIT__ UART advanced features initialization.
1402   * @retval SET (__INIT__ is valid) or RESET (__INIT__ is invalid)
1403   */
1404 #define IS_UART_ADVFEATURE_INIT(__INIT__)   ((__INIT__) <= (UART_ADVFEATURE_NO_INIT                | \
1405                                                             UART_ADVFEATURE_TXINVERT_INIT          | \
1406                                                             UART_ADVFEATURE_RXINVERT_INIT          | \
1407                                                             UART_ADVFEATURE_DATAINVERT_INIT        | \
1408                                                             UART_ADVFEATURE_SWAP_INIT              | \
1409                                                             UART_ADVFEATURE_RXOVERRUNDISABLE_INIT  | \
1410                                                             UART_ADVFEATURE_DMADISABLEONERROR_INIT | \
1411                                                             UART_ADVFEATURE_AUTOBAUDRATE_INIT      | \
1412                                                             UART_ADVFEATURE_MSBFIRST_INIT))
1413 
1414 /**
1415   * @brief Ensure that UART frame TX inversion setting is valid.
1416   * @param __TXINV__ UART frame TX inversion setting.
1417   * @retval SET (__TXINV__ is valid) or RESET (__TXINV__ is invalid)
1418   */
1419 #define IS_UART_ADVFEATURE_TXINV(__TXINV__) (((__TXINV__) == UART_ADVFEATURE_TXINV_DISABLE) || \
1420                                              ((__TXINV__) == UART_ADVFEATURE_TXINV_ENABLE))
1421 
1422 /**
1423   * @brief Ensure that UART frame RX inversion setting is valid.
1424   * @param __RXINV__ UART frame RX inversion setting.
1425   * @retval SET (__RXINV__ is valid) or RESET (__RXINV__ is invalid)
1426   */
1427 #define IS_UART_ADVFEATURE_RXINV(__RXINV__) (((__RXINV__) == UART_ADVFEATURE_RXINV_DISABLE) || \
1428                                              ((__RXINV__) == UART_ADVFEATURE_RXINV_ENABLE))
1429 
1430 /**
1431   * @brief Ensure that UART frame data inversion setting is valid.
1432   * @param __DATAINV__ UART frame data inversion setting.
1433   * @retval SET (__DATAINV__ is valid) or RESET (__DATAINV__ is invalid)
1434   */
1435 #define IS_UART_ADVFEATURE_DATAINV(__DATAINV__) (((__DATAINV__) == UART_ADVFEATURE_DATAINV_DISABLE) || \
1436                                                  ((__DATAINV__) == UART_ADVFEATURE_DATAINV_ENABLE))
1437 
1438 /**
1439   * @brief Ensure that UART frame RX/TX pins swap setting is valid.
1440   * @param __SWAP__ UART frame RX/TX pins swap setting.
1441   * @retval SET (__SWAP__ is valid) or RESET (__SWAP__ is invalid)
1442   */
1443 #define IS_UART_ADVFEATURE_SWAP(__SWAP__) (((__SWAP__) == UART_ADVFEATURE_SWAP_DISABLE) || \
1444                                            ((__SWAP__) == UART_ADVFEATURE_SWAP_ENABLE))
1445 
1446 /**
1447   * @brief Ensure that UART frame overrun setting is valid.
1448   * @param __OVERRUN__ UART frame overrun setting.
1449   * @retval SET (__OVERRUN__ is valid) or RESET (__OVERRUN__ is invalid)
1450   */
1451 #define IS_UART_OVERRUN(__OVERRUN__)     (((__OVERRUN__) == UART_ADVFEATURE_OVERRUN_ENABLE) || \
1452                                           ((__OVERRUN__) == UART_ADVFEATURE_OVERRUN_DISABLE))
1453 
1454 /**
1455   * @brief Ensure that UART auto Baud rate state is valid.
1456   * @param __AUTOBAUDRATE__ UART auto Baud rate state.
1457   * @retval SET (__AUTOBAUDRATE__ is valid) or RESET (__AUTOBAUDRATE__ is invalid)
1458   */
1459 #define IS_UART_ADVFEATURE_AUTOBAUDRATE(__AUTOBAUDRATE__) (((__AUTOBAUDRATE__) == \
1460                                                             UART_ADVFEATURE_AUTOBAUDRATE_DISABLE) || \
1461                                                            ((__AUTOBAUDRATE__) == UART_ADVFEATURE_AUTOBAUDRATE_ENABLE))
1462 
1463 /**
1464   * @brief Ensure that UART DMA enabling or disabling on error setting is valid.
1465   * @param __DMA__ UART DMA enabling or disabling on error setting.
1466   * @retval SET (__DMA__ is valid) or RESET (__DMA__ is invalid)
1467   */
1468 #define IS_UART_ADVFEATURE_DMAONRXERROR(__DMA__)  (((__DMA__) == UART_ADVFEATURE_DMA_ENABLEONRXERROR) || \
1469                                                    ((__DMA__) == UART_ADVFEATURE_DMA_DISABLEONRXERROR))
1470 
1471 /**
1472   * @brief Ensure that UART frame MSB first setting is valid.
1473   * @param __MSBFIRST__ UART frame MSB first setting.
1474   * @retval SET (__MSBFIRST__ is valid) or RESET (__MSBFIRST__ is invalid)
1475   */
1476 #define IS_UART_ADVFEATURE_MSBFIRST(__MSBFIRST__) (((__MSBFIRST__) == UART_ADVFEATURE_MSBFIRST_DISABLE) || \
1477                                                    ((__MSBFIRST__) == UART_ADVFEATURE_MSBFIRST_ENABLE))
1478 
1479 #if defined(USART_CR1_UESM)
1480 /**
1481   * @brief Ensure that UART stop mode state is valid.
1482   * @param __STOPMODE__ UART stop mode state.
1483   * @retval SET (__STOPMODE__ is valid) or RESET (__STOPMODE__ is invalid)
1484   */
1485 #define IS_UART_ADVFEATURE_STOPMODE(__STOPMODE__) (((__STOPMODE__) == UART_ADVFEATURE_STOPMODE_DISABLE) || \
1486                                                    ((__STOPMODE__) == UART_ADVFEATURE_STOPMODE_ENABLE))
1487 
1488 #endif /* USART_CR1_UESM */
1489 /**
1490   * @brief Ensure that UART mute mode state is valid.
1491   * @param __MUTE__ UART mute mode state.
1492   * @retval SET (__MUTE__ is valid) or RESET (__MUTE__ is invalid)
1493   */
1494 #define IS_UART_MUTE_MODE(__MUTE__)       (((__MUTE__) == UART_ADVFEATURE_MUTEMODE_DISABLE) || \
1495                                            ((__MUTE__) == UART_ADVFEATURE_MUTEMODE_ENABLE))
1496 #if defined(USART_CR1_UESM)
1497 
1498 /**
1499   * @brief Ensure that UART wake-up selection is valid.
1500   * @param __WAKE__ UART wake-up selection.
1501   * @retval SET (__WAKE__ is valid) or RESET (__WAKE__ is invalid)
1502   */
1503 #if defined(USART_CR3_WUFIE)
1504 #define IS_UART_WAKEUP_SELECTION(__WAKE__) (((__WAKE__) == UART_WAKEUP_ON_ADDRESS)           || \
1505                                             ((__WAKE__) == UART_WAKEUP_ON_STARTBIT)          || \
1506                                             ((__WAKE__) == UART_WAKEUP_ON_READDATA_NONEMPTY))
1507 #else
1508 #define IS_UART_WAKEUP_SELECTION(__WAKE__) (((__WAKE__) == UART_WAKEUP_ON_ADDRESS)           || \
1509                                             ((__WAKE__) == UART_WAKEUP_ON_READDATA_NONEMPTY))
1510 #endif /* USART_CR3_WUFIE */
1511 #endif /* USART_CR1_UESM */
1512 
1513 /**
1514   * @brief Ensure that UART driver enable polarity is valid.
1515   * @param __POLARITY__ UART driver enable polarity.
1516   * @retval SET (__POLARITY__ is valid) or RESET (__POLARITY__ is invalid)
1517   */
1518 #define IS_UART_DE_POLARITY(__POLARITY__)    (((__POLARITY__) == UART_DE_POLARITY_HIGH) || \
1519                                               ((__POLARITY__) == UART_DE_POLARITY_LOW))
1520 
1521 
1522 /**
1523   * @}
1524   */
1525 
1526 /* Include UART HAL Extended module */
1527 #include "stm32f0xx_hal_uart_ex.h"
1528 
1529 /* Exported functions --------------------------------------------------------*/
1530 /** @addtogroup UART_Exported_Functions UART Exported Functions
1531   * @{
1532   */
1533 
1534 /** @addtogroup UART_Exported_Functions_Group1 Initialization and de-initialization functions
1535   * @{
1536   */
1537 
1538 /* Initialization and de-initialization functions  ****************************/
1539 HAL_StatusTypeDef HAL_UART_Init(UART_HandleTypeDef *huart);
1540 HAL_StatusTypeDef HAL_HalfDuplex_Init(UART_HandleTypeDef *huart);
1541 #if   defined(USART_CR2_LINEN)
1542 HAL_StatusTypeDef HAL_LIN_Init(UART_HandleTypeDef *huart, uint32_t BreakDetectLength);
1543 #endif /* USART_CR2_LINEN */
1544 HAL_StatusTypeDef HAL_MultiProcessor_Init(UART_HandleTypeDef *huart, uint8_t Address, uint32_t WakeUpMethod);
1545 HAL_StatusTypeDef HAL_UART_DeInit(UART_HandleTypeDef *huart);
1546 void HAL_UART_MspInit(UART_HandleTypeDef *huart);
1547 void HAL_UART_MspDeInit(UART_HandleTypeDef *huart);
1548 
1549 /* Callbacks Register/UnRegister functions  ***********************************/
1550 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
1551 HAL_StatusTypeDef HAL_UART_RegisterCallback(UART_HandleTypeDef *huart, HAL_UART_CallbackIDTypeDef CallbackID,
1552                                             pUART_CallbackTypeDef pCallback);
1553 HAL_StatusTypeDef HAL_UART_UnRegisterCallback(UART_HandleTypeDef *huart, HAL_UART_CallbackIDTypeDef CallbackID);
1554 
1555 HAL_StatusTypeDef HAL_UART_RegisterRxEventCallback(UART_HandleTypeDef *huart, pUART_RxEventCallbackTypeDef pCallback);
1556 HAL_StatusTypeDef HAL_UART_UnRegisterRxEventCallback(UART_HandleTypeDef *huart);
1557 #endif /* USE_HAL_UART_REGISTER_CALLBACKS */
1558 
1559 /**
1560   * @}
1561   */
1562 
1563 /** @addtogroup UART_Exported_Functions_Group2 IO operation functions
1564   * @{
1565   */
1566 
1567 /* IO operation functions *****************************************************/
1568 HAL_StatusTypeDef HAL_UART_Transmit(UART_HandleTypeDef *huart, const uint8_t *pData, uint16_t Size, uint32_t Timeout);
1569 HAL_StatusTypeDef HAL_UART_Receive(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout);
1570 HAL_StatusTypeDef HAL_UART_Transmit_IT(UART_HandleTypeDef *huart, const uint8_t *pData, uint16_t Size);
1571 HAL_StatusTypeDef HAL_UART_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
1572 HAL_StatusTypeDef HAL_UART_Transmit_DMA(UART_HandleTypeDef *huart, const uint8_t *pData, uint16_t Size);
1573 HAL_StatusTypeDef HAL_UART_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
1574 HAL_StatusTypeDef HAL_UART_DMAPause(UART_HandleTypeDef *huart);
1575 HAL_StatusTypeDef HAL_UART_DMAResume(UART_HandleTypeDef *huart);
1576 HAL_StatusTypeDef HAL_UART_DMAStop(UART_HandleTypeDef *huart);
1577 /* Transfer Abort functions */
1578 HAL_StatusTypeDef HAL_UART_Abort(UART_HandleTypeDef *huart);
1579 HAL_StatusTypeDef HAL_UART_AbortTransmit(UART_HandleTypeDef *huart);
1580 HAL_StatusTypeDef HAL_UART_AbortReceive(UART_HandleTypeDef *huart);
1581 HAL_StatusTypeDef HAL_UART_Abort_IT(UART_HandleTypeDef *huart);
1582 HAL_StatusTypeDef HAL_UART_AbortTransmit_IT(UART_HandleTypeDef *huart);
1583 HAL_StatusTypeDef HAL_UART_AbortReceive_IT(UART_HandleTypeDef *huart);
1584 
1585 void HAL_UART_IRQHandler(UART_HandleTypeDef *huart);
1586 void HAL_UART_TxHalfCpltCallback(UART_HandleTypeDef *huart);
1587 void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart);
1588 void HAL_UART_RxHalfCpltCallback(UART_HandleTypeDef *huart);
1589 void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart);
1590 void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart);
1591 void HAL_UART_AbortCpltCallback(UART_HandleTypeDef *huart);
1592 void HAL_UART_AbortTransmitCpltCallback(UART_HandleTypeDef *huart);
1593 void HAL_UART_AbortReceiveCpltCallback(UART_HandleTypeDef *huart);
1594 
1595 void HAL_UARTEx_RxEventCallback(UART_HandleTypeDef *huart, uint16_t Size);
1596 
1597 /**
1598   * @}
1599   */
1600 
1601 /** @addtogroup UART_Exported_Functions_Group3 Peripheral Control functions
1602   * @{
1603   */
1604 
1605 /* Peripheral Control functions  ************************************************/
1606 void HAL_UART_ReceiverTimeout_Config(UART_HandleTypeDef *huart, uint32_t TimeoutValue);
1607 HAL_StatusTypeDef HAL_UART_EnableReceiverTimeout(UART_HandleTypeDef *huart);
1608 HAL_StatusTypeDef HAL_UART_DisableReceiverTimeout(UART_HandleTypeDef *huart);
1609 
1610 #if   defined(USART_CR2_LINEN)
1611 HAL_StatusTypeDef HAL_LIN_SendBreak(UART_HandleTypeDef *huart);
1612 #endif /* USART_CR2_LINEN */
1613 HAL_StatusTypeDef HAL_MultiProcessor_EnableMuteMode(UART_HandleTypeDef *huart);
1614 HAL_StatusTypeDef HAL_MultiProcessor_DisableMuteMode(UART_HandleTypeDef *huart);
1615 void HAL_MultiProcessor_EnterMuteMode(UART_HandleTypeDef *huart);
1616 HAL_StatusTypeDef HAL_HalfDuplex_EnableTransmitter(UART_HandleTypeDef *huart);
1617 HAL_StatusTypeDef HAL_HalfDuplex_EnableReceiver(UART_HandleTypeDef *huart);
1618 
1619 /**
1620   * @}
1621   */
1622 
1623 /** @addtogroup UART_Exported_Functions_Group4 Peripheral State and Error functions
1624   * @{
1625   */
1626 
1627 /* Peripheral State and Errors functions  **************************************************/
1628 HAL_UART_StateTypeDef HAL_UART_GetState(const UART_HandleTypeDef *huart);
1629 uint32_t              HAL_UART_GetError(const UART_HandleTypeDef *huart);
1630 
1631 /**
1632   * @}
1633   */
1634 
1635 /**
1636   * @}
1637   */
1638 
1639 /* Private functions -----------------------------------------------------------*/
1640 /** @addtogroup UART_Private_Functions UART Private Functions
1641   * @{
1642   */
1643 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
1644 void              UART_InitCallbacksToDefault(UART_HandleTypeDef *huart);
1645 #endif /* USE_HAL_UART_REGISTER_CALLBACKS */
1646 HAL_StatusTypeDef UART_SetConfig(UART_HandleTypeDef *huart);
1647 HAL_StatusTypeDef UART_CheckIdleState(UART_HandleTypeDef *huart);
1648 HAL_StatusTypeDef UART_WaitOnFlagUntilTimeout(UART_HandleTypeDef *huart, uint32_t Flag, FlagStatus Status,
1649                                               uint32_t Tickstart, uint32_t Timeout);
1650 void              UART_AdvFeatureConfig(UART_HandleTypeDef *huart);
1651 HAL_StatusTypeDef UART_Start_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
1652 HAL_StatusTypeDef UART_Start_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
1653 
1654 /**
1655   * @}
1656   */
1657 
1658 /* Private variables -----------------------------------------------------------*/
1659 /**
1660   * @}
1661   */
1662 
1663 /**
1664   * @}
1665   */
1666 
1667 #ifdef __cplusplus
1668 }
1669 #endif
1670 
1671 #endif /* STM32F0xx_HAL_UART_H */
1672 
1673