1 /*
2  * SPDX-FileCopyrightText: 2016 STMicroelectronics
3  * SPDX-FileCopyrightText: 2019-2025 SiFli Technologies(Nanjing) Co., Ltd
4  *
5  * SPDX-License-Identifier: BSD-3-Clause AND Apache-2.0
6  */
7 
8 #ifndef __BF0_HAL_UART_H
9 #define __BF0_HAL_UART_H
10 
11 #ifdef __cplusplus
12 extern "C" {
13 #endif
14 
15 #ifdef  _SIFLI_DOXYGEN_
16 #define USART_CR1_FIFOEN        // Enable for document purpose.
17 #endif
18 
19 /* Includes ------------------------------------------------------------------*/
20 #include "bf0_hal_def.h"
21 
22 /** @addtogroup BF0_HAL_Driver
23   * @{
24   */
25 
26 /** @addtogroup UART
27   * @{
28   */
29 
30 /* Exported types ------------------------------------------------------------*/
31 /** @defgroup UART_Exported_Types UART Exported Types
32   * @{
33   */
34 
35 /**
36   * @brief UART Init Structure definition
37   */
38 typedef struct
39 {
40     uint32_t BaudRate;                  /*!< This member configures the UART communication baud rate.
41                                            The baud rate register is computed using the following formula:
42                                            UART:
43                                            =====
44                                            - If oversampling is 16 or in LIN mode,
45                                               Baud Rate Register = ((uart_ker_ckpres) / ((huart->Init.BaudRate)))
46                                            - If oversampling is 8,
47                                               Baud Rate Register[15:4] = ((2 * uart_ker_ckpres) / ((huart->Init.BaudRate)))[15:4]
48                                               Baud Rate Register[3] =  0
49                                               Baud Rate Register[2:0] =  (((2 * uart_ker_ckpres) / ((huart->Init.BaudRate)))[3:0]) >> 1
50                                            LPUART:
51                                            =======
52                                               Baud Rate Register = ((256 * lpuart_ker_ckpres) / ((huart->Init.BaudRate)))
53 
54                                            where (uart/lpuart)_ker_ck_pres is the UART input clock divided by a prescaler */
55 
56     uint32_t WordLength;                /*!< Specifies the number of data bits transmitted or received in a frame.
57                                            This parameter can be a value of @ref UART_Word_Length. */
58 
59     uint32_t StopBits;                  /*!< Specifies the number of stop bits transmitted.
60                                            This parameter can be a value of @ref UART_Stop_Bits. */
61 
62     uint32_t Parity;                    /*!< Specifies the parity mode.
63                                            This parameter can be a value of @ref UART_Parity
64                                            @note When parity is enabled, the computed parity is inserted
65                                                  at the MSB position of the transmitted data (9th bit when
66                                                  the word length is set to 9 data bits; 8th bit when the
67                                                  word length is set to 8 data bits). */
68 
69     uint32_t Mode;                      /*!< Specifies whether the Receive or Transmit mode is enabled or disabled.
70                                            This parameter can be a value of @ref UART_Mode. */
71 
72     uint32_t HwFlowCtl;                 /*!< Specifies whether the hardware flow control mode is enabled
73                                            or disabled.
74                                            This parameter can be a value of @ref UART_Hardware_Flow_Control. */
75 
76     uint32_t OverSampling;              /*!< Specifies whether the Over sampling 8 is enabled or disabled, to achieve higher speed (up to f_PCLK/8).
77                                            This parameter can be a value of @ref UART_Over_Sampling. */
78 
79     uint32_t OneBitSampling;            /*!< Specifies whether a single sample or three samples' majority vote is selected.
80                                            Selecting the single sample method increases the receiver tolerance to clock
81                                            deviations. This parameter can be a value of @ref UART_OneBit_Sampling. */
82 
83 #if defined(USART_PRESC_PRESCALER)
84     uint32_t ClockPrescaler;            /*!< Specifies the prescaler value used to divide the UART clock source.
85                                            This parameter can be a value of @ref UART_ClockPrescaler. */
86 #endif
87 
88 } UART_InitTypeDef;
89 
90 /**
91   * @brief  UART Advanced Features initalization structure definition
92   */
93 typedef struct
94 {
95     uint32_t AdvFeatureInit;        /*!< Specifies which advanced UART features is initialized. Several
96                                        Advanced Features may be initialized at the same time .
97                                        This parameter can be a value of @ref UART_Advanced_Features_Initialization_Type. */
98 
99     uint32_t TxPinLevelInvert;      /*!< Specifies whether the TX pin active level is inverted.
100                                        This parameter can be a value of @ref UART_Tx_Inv.  */
101 
102     uint32_t RxPinLevelInvert;      /*!< Specifies whether the RX pin active level is inverted.
103                                        This parameter can be a value of @ref UART_Rx_Inv.  */
104 
105     uint32_t DataInvert;            /*!< Specifies whether data are inverted (positive/direct logic
106                                        vs negative/inverted logic).
107                                        This parameter can be a value of @ref UART_Data_Inv. */
108 
109     uint32_t Swap;                  /*!< Specifies whether TX and RX pins are swapped.
110                                        This parameter can be a value of @ref UART_Rx_Tx_Swap. */
111 
112     uint32_t OverrunDisable;        /*!< Specifies whether the reception overrun detection is disabled.
113                                        This parameter can be a value of @ref UART_Overrun_Disable. */
114 
115     uint32_t DMADisableonRxError;   /*!< Specifies whether the DMA is disabled in case of reception error.
116                                        This parameter can be a value of @ref UART_DMA_Disable_on_Rx_Error. */
117 
118     uint32_t AutoBaudRateEnable;    /*!< Specifies whether auto Baud rate detection is enabled.
119                                        This parameter can be a value of @ref UART_AutoBaudRate_Enable */
120 
121     uint32_t AutoBaudRateMode;      /*!< If auto Baud rate detection is enabled, specifies how the rate
122                                        detection is carried out.
123                                        This parameter can be a value of @ref UART_AutoBaud_Rate_Mode. */
124 
125     uint32_t MSBFirst;              /*!< Specifies whether MSB is sent first on UART line.
126                                        This parameter can be a value of @ref UART_MSB_First. */
127 } UART_AdvFeatureInitTypeDef;
128 
129 
130 
131 /**
132   * @brief HAL UART State structures definition
133   * @note  HAL UART State value is a combination of 2 different substates: gState and RxState.
134   *        - gState contains UART state information related to global Handle management
135   *          and also information related to Tx operations.
136   *          gState value coding follow below described bitmap :
137   *          b7-b6  Error information
138   *             00 : No Error
139   *             01 : (Not Used)
140   *             10 : Timeout
141   *             11 : Error
142   *          b5     IP initilisation status
143   *             0  : Reset (IP not initialized)
144   *             1  : Init done (IP not initialized. HAL UART Init function already called)
145   *          b4-b3  (not used)
146   *             xx : Should be set to 00
147   *          b2     Intrinsic process state
148   *             0  : Ready
149   *             1  : Busy (IP busy with some configuration or internal operations)
150   *          b1     (not used)
151   *             x  : Should be set to 0
152   *          b0     Tx state
153   *             0  : Ready (no Tx operation ongoing)
154   *             1  : Busy (Tx operation ongoing)
155   *        - RxState contains information related to Rx operations.
156   *          RxState value coding follow below described bitmap :
157   *          b7-b6  (not used)
158   *             xx : Should be set to 00
159   *          b5     IP initilisation status
160   *             0  : Reset (IP not initialized)
161   *             1  : Init done (IP not initialized)
162   *          b4-b2  (not used)
163   *            xxx : Should be set to 000
164   *          b1     Rx state
165   *             0  : Ready (no Rx operation ongoing)
166   *             1  : Busy (Rx operation ongoing)
167   *          b0     (not used)
168   *             x  : Should be set to 0.
169   */
170 typedef enum
171 {
172     HAL_UART_STATE_RESET             = 0x00U,   /*!< Peripheral is not initialized
173                                                    Value is allowed for gState and RxState */
174     HAL_UART_STATE_READY             = 0x20U,   /*!< Peripheral Initialized and ready for use
175                                                    Value is allowed for gState and RxState */
176     HAL_UART_STATE_BUSY              = 0x24U,   /*!< an internal process is ongoing
177                                                    Value is allowed for gState only */
178     HAL_UART_STATE_BUSY_TX           = 0x21U,   /*!< Data Transmission process is ongoing
179                                                    Value is allowed for gState only */
180     HAL_UART_STATE_BUSY_RX           = 0x22U,   /*!< Data Reception process is ongoing
181                                                    Value is allowed for RxState only */
182     HAL_UART_STATE_BUSY_TX_RX        = 0x23U,   /*!< Data Transmission and Reception process is ongoing
183                                                    Not to be used for neither gState nor RxState.
184                                                    Value is result of combination (Or) between gState and RxState values */
185     HAL_UART_STATE_TIMEOUT           = 0xA0U,   /*!< Timeout state
186                                                    Value is allowed for gState only */
187     HAL_UART_STATE_ERROR             = 0xE0U    /*!< Error
188                                                    Value is allowed for gState only */
189 } HAL_UART_StateTypeDef;
190 
191 
192 /**
193   * @brief  UART handle Structure definition
194   */
195 typedef struct __UART_HandleTypeDef
196 {
197     USART_TypeDef            *Instance;                /*!< UART registers base address        */
198 
199     UART_InitTypeDef         Init;                     /*!< UART communication parameters      */
200 
201     UART_AdvFeatureInitTypeDef AdvancedInit;           /*!< UART Advanced Features initialization parameters */
202 
203     uint8_t                  *pTxBuffPtr;              /*!< Pointer to UART Tx transfer Buffer */
204 
205     uint16_t                 TxXferSize;               /*!< UART Tx Transfer size              */
206 
207     __IO uint16_t            TxXferCount;              /*!< UART Tx Transfer Counter           */
208 
209     uint8_t                  *pRxBuffPtr;              /*!< Pointer to UART Rx transfer Buffer */
210 
211     uint16_t                 RxXferSize;               /*!< UART Rx Transfer size              */
212 
213     __IO uint16_t            RxXferCount;              /*!< UART Rx Transfer Counter           */
214 
215     uint16_t                 Mask;                     /*!< UART Rx RDR register mask          */
216 
217 #if defined(USART_CR1_FIFOEN)
218     uint32_t                 FifoMode;                 /*!< Specifies if the FIFO mode is being used.
219                                                           This parameter can be a value of 1: enabled, 0: disabled */
220 
221     uint16_t                 NbRxDataToProcess;        /*!< Number of data to process during RX ISR execution */
222 
223     uint16_t                 NbTxDataToProcess;        /*!< Number of data to process during TX ISR execution */
224 #endif
225 
226     void (*RxISR)(struct __UART_HandleTypeDef *huart); /*!< Function pointer on Rx IRQ handler   */
227 
228     void (*TxISR)(struct __UART_HandleTypeDef *huart); /*!< Function pointer on Tx IRQ handler   */
229 
230     DMA_HandleTypeDef        *hdmatx;                  /*!< UART Tx DMA Handle parameters      */
231 
232     DMA_HandleTypeDef        *hdmarx;                  /*!< UART Rx DMA Handle parameters      */
233 
234     HAL_LockTypeDef           Lock;                    /*!< Locking object                     */
235 
236     __IO HAL_UART_StateTypeDef    gState;              /*!< UART state information related to global Handle management
237                                                           and also related to Tx operations.
238                                                           This parameter can be a value of @ref HAL_UART_StateTypeDef */
239 
240     __IO HAL_UART_StateTypeDef    RxState;             /*!< UART state information related to Rx operations.
241                                                           This parameter can be a value of @ref HAL_UART_StateTypeDef */
242 
243     __IO uint32_t                 ErrorCode;           /*!< UART Error code                    */
244 
245 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
246     void (* TxHalfCpltCallback)(struct __UART_HandleTypeDef *huart);        /*!< UART Tx Half Complete Callback        */
247     void (* TxCpltCallback)(struct __UART_HandleTypeDef *huart);            /*!< UART Tx Complete Callback             */
248     void (* RxHalfCpltCallback)(struct __UART_HandleTypeDef *huart);        /*!< UART Rx Half Complete Callback        */
249     void (* RxCpltCallback)(struct __UART_HandleTypeDef *huart);            /*!< UART Rx Complete Callback             */
250     void (* ErrorCallback)(struct __UART_HandleTypeDef *huart);             /*!< UART Error Callback                   */
251     void (* AbortCpltCallback)(struct __UART_HandleTypeDef *huart);         /*!< UART Abort Complete Callback          */
252     void (* AbortTransmitCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Abort Transmit Complete Callback */
253     void (* AbortReceiveCpltCallback)(struct __UART_HandleTypeDef *huart);  /*!< UART Abort Receive Complete Callback  */
254     void (* WakeupCallback)(struct __UART_HandleTypeDef *huart);            /*!< UART Wakeup Callback                  */
255 #if defined(USART_CR1_FIFOEN)
256     void (* RxFifoFullCallback)(struct __UART_HandleTypeDef *huart);        /*!< UART Rx Fifo Full Callback            */
257     void (* TxFifoEmptyCallback)(struct __UART_HandleTypeDef *huart);       /*!< UART Tx Fifo Empty Callback           */
258 #endif
259 
260     void (* MspInitCallback)(struct __UART_HandleTypeDef *huart);           /*!< UART Msp Init callback                */
261     void (* MspDeInitCallback)(struct __UART_HandleTypeDef *huart);         /*!< UART Msp DeInit callback              */
262 #endif  /* USE_HAL_UART_REGISTER_CALLBACKS */
263 
264 } UART_HandleTypeDef;
265 
266 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
267 /**
268   * @brief  HAL UART Callback ID enumeration definition
269   */
270 typedef enum
271 {
272     HAL_UART_TX_HALFCOMPLETE_CB_ID         = 0x00U,    /*!< UART Tx Half Complete Callback ID        */
273     HAL_UART_TX_COMPLETE_CB_ID             = 0x01U,    /*!< UART Tx Complete Callback ID             */
274     HAL_UART_RX_HALFCOMPLETE_CB_ID         = 0x02U,    /*!< UART Rx Half Complete Callback ID        */
275     HAL_UART_RX_COMPLETE_CB_ID             = 0x03U,    /*!< UART Rx Complete Callback ID             */
276     HAL_UART_ERROR_CB_ID                   = 0x04U,    /*!< UART Error Callback ID                   */
277     HAL_UART_ABORT_COMPLETE_CB_ID          = 0x05U,    /*!< UART Abort Complete Callback ID          */
278     HAL_UART_ABORT_TRANSMIT_COMPLETE_CB_ID = 0x06U,    /*!< UART Abort Transmit Complete Callback ID */
279     HAL_UART_ABORT_RECEIVE_COMPLETE_CB_ID  = 0x07U,    /*!< UART Abort Receive Complete Callback ID  */
280     HAL_UART_WAKEUP_CB_ID                  = 0x08U,    /*!< UART Wakeup Callback ID                  */
281 #if defined(USART_CR1_FIFOEN)
282     HAL_UART_RX_FIFO_FULL_CB_ID            = 0x09U,    /*!< UART Rx Fifo Full Callback ID            */
283     HAL_UART_TX_FIFO_EMPTY_CB_ID           = 0x0AU,    /*!< UART Tx Fifo Empty Callback ID           */
284 #endif
285 
286     HAL_UART_MSPINIT_CB_ID                 = 0x0BU,    /*!< UART MspInit callback ID                 */
287     HAL_UART_MSPDEINIT_CB_ID               = 0x0CU     /*!< UART MspDeInit callback ID               */
288 
289 } HAL_UART_CallbackIDTypeDef;
290 
291 /**
292   * @brief  HAL UART Callback pointer definition
293   */
294 typedef  void (*pUART_CallbackTypeDef)(UART_HandleTypeDef *huart);  /*!< pointer to an UART callback function */
295 
296 #endif /* USE_HAL_UART_REGISTER_CALLBACKS */
297 
298 /**
299   * @}
300   */
301 
302 /* Exported constants --------------------------------------------------------*/
303 /** @defgroup UART_Exported_Constants UART Exported Constants
304   * @{
305   */
306 
307 /** @defgroup UART_Error_Definition   UART Error Definition
308   * @{
309   */
310 #define  HAL_UART_ERROR_NONE             ((uint32_t)0x00000000U)    /*!< No error                */
311 #define  HAL_UART_ERROR_PE               ((uint32_t)0x00000001U)    /*!< Parity error            */
312 #define  HAL_UART_ERROR_NE               ((uint32_t)0x00000002U)    /*!< Noise error             */
313 #define  HAL_UART_ERROR_FE               ((uint32_t)0x00000004U)    /*!< Frame error             */
314 #define  HAL_UART_ERROR_ORE              ((uint32_t)0x00000008U)    /*!< Overrun error           */
315 #define  HAL_UART_ERROR_DMA              ((uint32_t)0x00000010U)    /*!< DMA transfer error      */
316 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
317 #define  HAL_UART_ERROR_INVALID_CALLBACK ((uint32_t)0x00000020U)    /*!< Invalid Callback error  */
318 #endif /* USE_HAL_UART_REGISTER_CALLBACKS */
319 /**
320   * @}
321   */
322 
323 /** @defgroup UART_Word_Length UART Word Length
324   * @{
325   */
326 #define USART_CR1_M0                        (0x1UL << USART_CR1_M_Pos)
327 #define USART_CR1_M1                        (0x2UL << USART_CR1_M_Pos)
328 #define UART_WORDLENGTH_6B                  (0)                                     /*!< 6-bit long UART frame */
329 #define UART_WORDLENGTH_7B                  (USART_CR1_M0)                          /*!< 7-bit long UART frame */
330 #define UART_WORDLENGTH_8B                  ((uint32_t)USART_CR1_M1)                /*!< 8-bit long UART frame */
331 #define UART_WORDLENGTH_9B                  ((uint32_t)USART_CR1_M)                 /*!< 9-bit long UART frame */
332 
333 
334 /**
335   * @}
336   */
337 
338 
339 
340 /** @defgroup UART_Stop_Bits   UART Number of Stop Bits
341   * @{
342   */
343 #define UART_STOPBITS_0_5                    USART_CR2_STOP_0                     /*!< UART frame with 0.5 stop bit  */
344 #define UART_STOPBITS_1                     0x00000000U                           /*!< UART frame with 1 stop bit    */
345 #define UART_STOPBITS_1_5                   (USART_CR2_STOP_0 | USART_CR2_STOP_1) /*!< UART frame with 1.5 stop bits */
346 #define UART_STOPBITS_2                      USART_CR2_STOP_1                     /*!< UART frame with 2 stop bits   */
347 /**
348   * @}
349   */
350 
351 /** @defgroup UART_Parity  UART Parity
352   * @{
353   */
354 #define UART_PARITY_NONE                    0x00000000U                        /*!< No parity   */
355 #define UART_PARITY_EVEN                    USART_CR1_PCE                      /*!< Even parity */
356 #define UART_PARITY_ODD                     (USART_CR1_PCE | USART_CR1_PS)     /*!< Odd parity  */
357 /**
358   * @}
359   */
360 
361 /** @defgroup UART_Hardware_Flow_Control UART Hardware Flow Control
362   * @{
363   */
364 #define UART_HWCONTROL_NONE                  0x00000000U                          /*!< No hardware control       */
365 #define UART_HWCONTROL_RTS                   USART_CR3_RTSE                       /*!< Request To Send           */
366 #define UART_HWCONTROL_CTS                   USART_CR3_CTSE                       /*!< Clear To Send             */
367 #define UART_HWCONTROL_RTS_CTS               (USART_CR3_RTSE | USART_CR3_CTSE)    /*!< Request and Clear To Send */
368 /**
369   * @}
370   */
371 
372 /** @defgroup UART_Mode UART Transfer Mode
373   * @{
374   */
375 #define UART_MODE_RX                        USART_CR1_RE                    /*!< RX mode        */
376 #define UART_MODE_TX                        USART_CR1_TE                    /*!< TX mode        */
377 #define UART_MODE_TX_RX                     (USART_CR1_TE |USART_CR1_RE)    /*!< RX and TX mode */
378 /**
379   * @}
380   */
381 
382 /** @defgroup UART_State  UART State
383   * @{
384   */
385 #define UART_STATE_DISABLE                  0x00000000U         /*!< UART disabled  */
386 #define UART_STATE_ENABLE                   USART_CR1_UE        /*!< UART enabled   */
387 /**
388   * @}
389   */
390 
391 /** @defgroup UART_Over_Sampling UART Over Sampling
392   * @{
393   */
394 #define UART_OVERSAMPLING_16                0x00000000U         /*!< Oversampling by 16 */
395 #define UART_OVERSAMPLING_8                 USART_CR1_OVER8     /*!< Oversampling by 8  */
396 /**
397   * @}
398   */
399 
400 /** @defgroup UART_OneBit_Sampling UART One Bit Sampling Method
401   * @{
402   */
403 #define UART_ONE_BIT_SAMPLE_DISABLE         0x00000000U         /*!< One-bit sampling disable */
404 #define UART_ONE_BIT_SAMPLE_ENABLE          USART_CR3_ONEBIT    /*!< One-bit sampling enable  */
405 /**
406   * @}
407   */
408 
409 #if defined(USART_PRESC_PRESCALER)
410 /** @defgroup UART_ClockPrescaler  UART Clock Prescaler
411   * @{
412   */
413 #define UART_PRESCALER_DIV1    0x00000000U  /*!< fclk_pres = fclk     */
414 #define UART_PRESCALER_DIV2    0x00000001U  /*!< fclk_pres = fclk/2   */
415 #define UART_PRESCALER_DIV4    0x00000002U  /*!< fclk_pres = fclk/4   */
416 #define UART_PRESCALER_DIV6    0x00000003U  /*!< fclk_pres = fclk/6   */
417 #define UART_PRESCALER_DIV8    0x00000004U  /*!< fclk_pres = fclk/8   */
418 #define UART_PRESCALER_DIV10   0x00000005U  /*!< fclk_pres = fclk/10  */
419 #define UART_PRESCALER_DIV12   0x00000006U  /*!< fclk_pres = fclk/12  */
420 #define UART_PRESCALER_DIV16   0x00000007U  /*!< fclk_pres = fclk/16  */
421 #define UART_PRESCALER_DIV32   0x00000008U  /*!< fclk_pres = fclk/32  */
422 #define UART_PRESCALER_DIV64   0x00000009U  /*!< fclk_pres = fclk/64  */
423 #define UART_PRESCALER_DIV128  0x0000000AU  /*!< fclk_pres = fclk/128 */
424 #define UART_PRESCALER_DIV256  0x0000000BU  /*!< fclk_pres = fclk/256 */
425 
426 /**
427   * @}
428   */
429 #endif
430 
431 /** @defgroup UART_AutoBaud_Rate_Mode    UART Advanced Feature AutoBaud Rate Mode
432   * @{
433   */
434 #define UART_ADVFEATURE_AUTOBAUDRATE_ONSTARTBIT    0x00000000U           /*!< Auto Baud rate detection on start bit            */
435 #define UART_ADVFEATURE_AUTOBAUDRATE_ONFALLINGEDGE USART_CR2_ABRMODE_0   /*!< Auto Baud rate detection on falling edge         */
436 #define UART_ADVFEATURE_AUTOBAUDRATE_ON0X7FFRAME   USART_CR2_ABRMODE_1   /*!< Auto Baud rate detection on 0x7F frame detection */
437 #define UART_ADVFEATURE_AUTOBAUDRATE_ON0X55FRAME   USART_CR2_ABRMODE     /*!< Auto Baud rate detection 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 #define UART_TXDATA_FLUSH_REQUEST           USART_RQR_TXFRQ        /*!< Transmit data flush Request */
513 /**
514   * @}
515   */
516 
517 /** @defgroup UART_Advanced_Features_Initialization_Type  UART Advanced Feature Initialization Type
518   * @{
519   */
520 #define UART_ADVFEATURE_NO_INIT                 0x00000000U          /*!< No advanced feature initialization       */
521 #define UART_ADVFEATURE_TXINVERT_INIT           0x00000001U          /*!< TX pin active level inversion            */
522 #define UART_ADVFEATURE_RXINVERT_INIT           0x00000002U          /*!< RX pin active level inversion            */
523 #define UART_ADVFEATURE_DATAINVERT_INIT         0x00000004U          /*!< Binary data inversion                    */
524 #define UART_ADVFEATURE_SWAP_INIT               0x00000008U          /*!< TX/RX pins swap                          */
525 #define UART_ADVFEATURE_RXOVERRUNDISABLE_INIT   0x00000010U          /*!< RX overrun disable                       */
526 #define UART_ADVFEATURE_DMADISABLEONERROR_INIT  0x00000020U          /*!< DMA disable on Reception Error           */
527 #define UART_ADVFEATURE_AUTOBAUDRATE_INIT       0x00000040U          /*!< Auto Baud rate detection initialization  */
528 #define UART_ADVFEATURE_MSBFIRST_INIT           0x00000080U          /*!< Most significant bit sent/received first */
529 /**
530   * @}
531   */
532 
533 /** @defgroup UART_Tx_Inv UART Advanced Feature TX Pin Active Level Inversion
534   * @{
535   */
536 #define UART_ADVFEATURE_TXINV_DISABLE       0x00000000U             /*!< TX pin active level inversion disable */
537 #define UART_ADVFEATURE_TXINV_ENABLE        USART_CR2_TXINV         /*!< TX pin active level inversion enable  */
538 /**
539   * @}
540   */
541 
542 /** @defgroup UART_Rx_Inv UART Advanced Feature RX Pin Active Level Inversion
543   * @{
544   */
545 #define UART_ADVFEATURE_RXINV_DISABLE       0x00000000U             /*!< RX pin active level inversion disable */
546 #define UART_ADVFEATURE_RXINV_ENABLE        USART_CR2_RXINV         /*!< RX pin active level inversion enable  */
547 /**
548   * @}
549   */
550 
551 /** @defgroup UART_Data_Inv  UART Advanced Feature Binary Data Inversion
552   * @{
553   */
554 #define UART_ADVFEATURE_DATAINV_DISABLE     0x00000000U             /*!< Binary data inversion disable */
555 #define UART_ADVFEATURE_DATAINV_ENABLE      USART_CR2_DATAINV       /*!< Binary data inversion enable  */
556 /**
557   * @}
558   */
559 
560 /** @defgroup UART_Rx_Tx_Swap UART Advanced Feature RX TX Pins Swap
561   * @{
562   */
563 #define UART_ADVFEATURE_SWAP_DISABLE        0x00000000U             /*!< TX/RX pins swap disable */
564 #define UART_ADVFEATURE_SWAP_ENABLE         USART_CR2_SWAP          /*!< TX/RX pins swap enable  */
565 /**
566   * @}
567   */
568 
569 /** @defgroup UART_Overrun_Disable  UART Advanced Feature Overrun Disable
570   * @{
571   */
572 #define UART_ADVFEATURE_OVERRUN_ENABLE      0x00000000U             /*!< RX overrun enable  */
573 #define UART_ADVFEATURE_OVERRUN_DISABLE     USART_CR3_OVRDIS        /*!< RX overrun disable */
574 /**
575   * @}
576   */
577 
578 /** @defgroup UART_AutoBaudRate_Enable  UART Advanced Feature Auto BaudRate Enable
579   * @{
580   */
581 #define UART_ADVFEATURE_AUTOBAUDRATE_DISABLE   0x00000000U          /*!< RX Auto Baud rate detection enable  */
582 #define UART_ADVFEATURE_AUTOBAUDRATE_ENABLE    USART_CR2_ABREN      /*!< RX Auto Baud rate detection disable */
583 /**
584   * @}
585   */
586 
587 /** @defgroup UART_DMA_Disable_on_Rx_Error   UART Advanced Feature DMA Disable On Rx Error
588   * @{
589   */
590 #define UART_ADVFEATURE_DMA_ENABLEONRXERROR    0x00000000U          /*!< DMA enable on Reception Error  */
591 #define UART_ADVFEATURE_DMA_DISABLEONRXERROR   USART_CR3_DDRE       /*!< DMA disable on Reception Error */
592 /**
593   * @}
594   */
595 
596 /** @defgroup UART_MSB_First   UART Advanced Feature MSB First
597   * @{
598   */
599 #define UART_ADVFEATURE_MSBFIRST_DISABLE    0x00000000U             /*!< Most significant bit sent/received first disable */
600 #define UART_ADVFEATURE_MSBFIRST_ENABLE     USART_CR2_MSBFIRST      /*!< Most significant bit sent/received first enable  */
601 /**
602   * @}
603   */
604 
605 /** @defgroup UART_Stop_Mode_Enable   UART Advanced Feature Stop Mode Enable
606   * @{
607   */
608 #define UART_ADVFEATURE_STOPMODE_DISABLE    0x00000000U             /*!< UART stop mode disable */
609 #define UART_ADVFEATURE_STOPMODE_ENABLE     USART_CR1_UESM          /*!< UART stop mode enable  */
610 /**
611   * @}
612   */
613 
614 /** @defgroup UART_Mute_Mode   UART Advanced Feature Mute Mode Enable
615   * @{
616   */
617 #define UART_ADVFEATURE_MUTEMODE_DISABLE    0x00000000U             /*!< UART mute mode disable */
618 #define UART_ADVFEATURE_MUTEMODE_ENABLE     USART_CR1_MME           /*!< UART mute mode enable  */
619 /**
620   * @}
621   */
622 
623 /** @defgroup UART_CR2_ADDRESS_LSB_POS    UART Address-matching LSB Position In CR2 Register
624   * @{
625   */
626 #define UART_CR2_ADDRESS_LSB_POS             24U                                /*!< UART address-matching LSB position in CR2 register */
627 /**
628   * @}
629   */
630 
631 /** @defgroup UART_WakeUp_from_Stop_Selection   UART WakeUp From Stop Selection
632   * @{
633   */
634 #define UART_WAKEUP_ON_ADDRESS              0x00000000U             /*!< UART wake-up on address                         */
635 #define UART_WAKEUP_ON_STARTBIT             USART_CR3_WUS_1         /*!< UART wake-up on start bit                       */
636 #define UART_WAKEUP_ON_READDATA_NONEMPTY    USART_CR3_WUS           /*!< UART wake-up on receive data register not empty or RXFIFO is not empty */
637 /**
638   * @}
639   */
640 
641 /** @defgroup UART_DriverEnable_Polarity      UART DriverEnable Polarity
642   * @{
643   */
644 #define UART_DE_POLARITY_HIGH               0x00000000U             /*!< Driver enable signal is active high */
645 #define UART_DE_POLARITY_LOW                USART_CR3_DEP           /*!< Driver enable signal is active low  */
646 /**
647   * @}
648   */
649 
650 /** @defgroup UART_CR1_DEAT_ADDRESS_LSB_POS    UART Driver Enable Assertion Time LSB Position In CR1 Register
651   * @{
652   */
653 #define UART_CR1_DEAT_ADDRESS_LSB_POS       21U      /*!< UART Driver Enable assertion time LSB position in CR1 register */
654 /**
655   * @}
656   */
657 
658 /** @defgroup UART_CR1_DEDT_ADDRESS_LSB_POS    UART Driver Enable DeAssertion Time LSB Position In CR1 Register
659   * @{
660   */
661 #define UART_CR1_DEDT_ADDRESS_LSB_POS       16U      /*!< UART Driver Enable de-assertion time LSB position in CR1 register */
662 /**
663   * @}
664   */
665 
666 /** @defgroup UART_Interruption_Mask    UART Interruptions Flag Mask
667   * @{
668   */
669 #define UART_IT_MASK                        0x001FU  /*!< UART interruptions flags mask */
670 /**
671   * @}
672   */
673 
674 /** @defgroup UART_TimeOut_Value    UART polling-based communications time-out value
675   * @{
676   */
677 #define HAL_UART_TIMEOUT_VALUE              0x1FFFFFFU  /*!< UART polling-based communications time-out value */
678 /**
679   * @}
680   */
681 
682 /** @defgroup UART_Flags     UART Status Flags
683   *        Elements values convention: 0xXXXX
684   *           - 0xXXXX  : Flag mask in the ISR register
685   * @{
686   */
687 #define UART_FLAG_TXFT                      USART_ISR_TXFT          /*!< UART TXFIFO threshold flag                */
688 #define UART_FLAG_RXFT                      USART_ISR_RXFT          /*!< UART RXFIFO threshold flag                */
689 #define UART_FLAG_RXFF                      USART_ISR_RXFF          /*!< UART RXFIFO Full flag                     */
690 #define UART_FLAG_TXFE                      USART_ISR_TXFE          /*!< UART TXFIFO Empty flag                    */
691 #define UART_FLAG_REACK                     USART_ISR_REACK         /*!< UART receive enable acknowledge flag      */
692 #define UART_FLAG_TEACK                     USART_ISR_TEACK         /*!< UART transmit enable acknowledge flag     */
693 #define UART_FLAG_WUF                       USART_ISR_WUF           /*!< UART wake-up from stop mode flag          */
694 #define UART_FLAG_RWU                       USART_ISR_RWU           /*!< UART receiver wake-up from mute mode flag */
695 #define UART_FLAG_SBKF                      USART_ISR_SBKF          /*!< UART send break flag                      */
696 #define UART_FLAG_CMF                       USART_ISR_CMF           /*!< UART character match flag                 */
697 #define UART_FLAG_BUSY                      USART_ISR_BUSY          /*!< UART busy flag                            */
698 #define UART_FLAG_ABRF                      USART_ISR_ABRF          /*!< UART auto Baud rate flag                  */
699 #define UART_FLAG_ABRE                      USART_ISR_ABRE          /*!< UART auto Baud rate error                 */
700 #define UART_FLAG_CTS                       USART_ISR_CTS           /*!< UART clear to send flag                   */
701 #define UART_FLAG_CTSIF                     USART_ISR_CTSIF         /*!< UART clear to send interrupt flag         */
702 #define UART_FLAG_LBDF                      USART_ISR_LBDF          /*!< UART LIN break detection flag             */
703 #if defined(USART_CR1_FIFOEN)
704 #define UART_FLAG_TXE                       USART_ISR_TXE_TXFNF     /*!< UART transmit data register empty         */
705 #define UART_FLAG_TXFNF                     USART_ISR_TXE_TXFNF     /*!< UART TXFIFO not full                      */
706 #else
707 #define UART_FLAG_TXE                       USART_ISR_TXE           /*!< UART transmit data register empty         */
708 #endif
709 #define UART_FLAG_TC                        USART_ISR_TC            /*!< UART transmission complete                */
710 #if defined(USART_CR1_FIFOEN)
711 #define UART_FLAG_RXNE                      USART_ISR_RXNE_RXFNE    /*!< UART read data register not empty         */
712 #define UART_FLAG_RXFNE                     USART_ISR_RXNE_RXFNE    /*!< UART RXFIFO not empty                     */
713 #else
714 #define UART_FLAG_RXNE                      USART_ISR_RXNE          /*!< UART read data register not empty         */
715 #endif
716 #define UART_FLAG_IDLE                      USART_ISR_IDLE          /*!< UART idle flag                            */
717 #define UART_FLAG_ORE                       USART_ISR_ORE           /*!< UART overrun error                        */
718 #define UART_FLAG_NE                        USART_ISR_NF            /*!< UART noise error                          */
719 #define UART_FLAG_FE                        USART_ISR_FE            /*!< UART frame error                          */
720 #define UART_FLAG_PE                        USART_ISR_PE            /*!< UART parity error                         */
721 /**
722   * @}
723   */
724 
725 /** @defgroup UART_Interrupt_definition   UART Interrupts Definition
726   *        Elements values convention: 000ZZZZZ0XXYYYYYb
727   *           - YYYYY  : Interrupt source position in the XX register (5bits)
728   *           - XX  : Interrupt source register (2bits)
729   *                 - 01: CR1 register
730   *                 - 10: CR2 register
731   *                 - 11: CR3 register
732   *           - ZZZZZ  : Flag position in the ISR register(5bits)
733   * @{
734   */
735 #define UART_IT_PE                          0x0028U                  /*!< UART parity error interruption                 */
736 #define UART_IT_TXE                         0x0727U                  /*!< UART transmit data register empty interruption */
737 #if defined(USART_CR1_FIFOEN)
738 #define UART_IT_TXFNF                       0x0727U                  /*!< UART TX FIFO not full interruption             */
739 #endif
740 #define UART_IT_TC                          0x0626U                  /*!< UART transmission complete interruption        */
741 #define UART_IT_RXNE                        0x0525U                  /*!< UART read data register not empty interruption */
742 #if defined(USART_CR1_FIFOEN)
743 #define UART_IT_RXFNE                       0x0525U                  /*!< UART RXFIFO not empty interruption             */
744 #endif
745 #define UART_IT_IDLE                        0x0424U                  /*!< UART idle interruption                         */
746 #define UART_IT_LBD                         0x0846U                  /*!< UART LIN break detection interruption          */
747 #define UART_IT_CTS                         0x096AU                  /*!< UART CTS interruption                          */
748 #define UART_IT_CM                          0x112EU                  /*!< UART character match interruption              */
749 #define UART_IT_WUF                         0x1476U                  /*!< UART wake-up from stop mode interruption       */
750 #if defined(USART_CR1_FIFOEN)
751 #define UART_IT_RXFF                        0x183FU                  /*!< UART RXFIFO full interruption                  */
752 #define UART_IT_TXFE                        0x173EU                  /*!< UART TXFIFO empty interruption                 */
753 #define UART_IT_RXFT                        0x1A7CU                  /*!< UART RXFIFO threshold reached interruption     */
754 #define UART_IT_TXFT                        0x1B77U                  /*!< UART TXFIFO threshold reached interruption     */
755 #endif
756 
757 /*        Elements values convention: 000000000XXYYYYYb
758               - YYYYY  : Interrupt source position in the XX register (5bits)
759               - XX  : Interrupt source register (2bits)
760                     - 01: CR1 register
761                     - 10: CR2 register
762                     - 11: CR3 register */
763 #define UART_IT_ERR                         0x0060U                  /*!< UART error interruption         */
764 
765 /*       Elements values convention: 0000ZZZZ00000000b
766              - ZZZZ  : Flag position in the ISR register(4bits) */
767 #define UART_IT_ORE                         0x0300U                  /*!< UART overrun error interruption */
768 #define UART_IT_NE                          0x0200U                  /*!< UART noise error interruption   */
769 #define UART_IT_FE                          0x0100U                  /*!< UART frame error interruption   */
770 /**
771   * @}
772   */
773 
774 /** @defgroup UART_IT_CLEAR_Flags  UART Interruption Clear Flags
775   * @{
776   */
777 #define UART_CLEAR_PEF                       USART_ICR_PECF            /*!< Parity Error Clear Flag           */
778 #define UART_CLEAR_FEF                       USART_ICR_FECF            /*!< Framing Error Clear Flag          */
779 #define UART_CLEAR_NEF                       USART_ICR_NCF             /*!< Noise Error detected Clear Flag   */
780 #define UART_CLEAR_OREF                      USART_ICR_ORECF           /*!< Overrun Error Clear Flag          */
781 #define UART_CLEAR_IDLEF                     USART_ICR_IDLECF          /*!< IDLE line detected Clear Flag     */
782 #if defined(USART_CR1_FIFOEN)
783 #define UART_CLEAR_TXFECF                    USART_ICR_TXFECF          /*!< TXFIFO empty clear flag           */
784 #endif
785 #define UART_CLEAR_TCF                       USART_ICR_TCCF            /*!< Transmission Complete Clear Flag  */
786 #define UART_CLEAR_LBDF                      USART_ICR_LBDCF           /*!< LIN Break Detection Clear Flag    */
787 #define UART_CLEAR_CTSF                      USART_ICR_CTSCF           /*!< CTS Interrupt Clear Flag          */
788 #define UART_CLEAR_CMF                       USART_ICR_CMCF            /*!< Character Match Clear Flag        */
789 #define UART_CLEAR_WUF                       USART_ICR_WUCF            /*!< Wake Up from stop mode Clear Flag */
790 /**
791   * @}
792   */
793 
794 
795 /**
796   * @}
797   */
798 
799 /* Exported macros -----------------------------------------------------------*/
800 /** @defgroup UART_Exported_Macros UART Exported Macros
801   * @{
802   */
803 
804 /** @brief  Reset UART handle states.
805   * @param  \__HANDLE__ UART handle.
806   * @retval None
807   */
808 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
809 #define __HAL_UART_RESET_HANDLE_STATE(__HANDLE__)  do{                                                   \
810                                                        (__HANDLE__)->gState = HAL_UART_STATE_RESET;      \
811                                                        (__HANDLE__)->RxState = HAL_UART_STATE_RESET;     \
812                                                        (__HANDLE__)->MspInitCallback = NULL;             \
813                                                        (__HANDLE__)->MspDeInitCallback = NULL;           \
814                                                      } while(0U)
815 #else
816 #define __HAL_UART_RESET_HANDLE_STATE(__HANDLE__)  do{                                                   \
817                                                        (__HANDLE__)->gState = HAL_UART_STATE_RESET;      \
818                                                        (__HANDLE__)->RxState = HAL_UART_STATE_RESET;     \
819                                                      } while(0U)
820 #endif /*USE_HAL_UART_REGISTER_CALLBACKS */
821 
822 /** @brief  Flush the UART Data registers.
823   * @param  \__HANDLE__ specifies the UART Handle.
824   * @retval None
825   */
826 #define __HAL_UART_FLUSH_DRREGISTER(__HANDLE__)  \
827   do{                \
828       SET_BIT((__HANDLE__)->Instance->RQR, UART_RXDATA_FLUSH_REQUEST); \
829       SET_BIT((__HANDLE__)->Instance->RQR, UART_TXDATA_FLUSH_REQUEST); \
830     }  while(0U)
831 
832 /** @brief  Clear the specified UART pending flag.
833   * @param  \__HANDLE__ specifies the UART Handle.
834   * @param  \__FLAG__ specifies the flag to check.
835   *          This parameter can be any combination of the following values:
836   *            @arg @ref UART_CLEAR_PEF      Parity Error Clear Flag
837   *            @arg @ref UART_CLEAR_FEF      Framing Error Clear Flag
838   *            @arg @ref UART_CLEAR_NEF      Noise detected Clear Flag
839   *            @arg @ref UART_CLEAR_OREF     Overrun Error Clear Flag
840   *            @arg @ref UART_CLEAR_IDLEF    IDLE line detected Clear Flag
841   *            @arg @ref UART_CLEAR_TXFECF   TXFIFO empty clear Flag
842   *            @arg @ref UART_CLEAR_TCF      Transmission Complete Clear Flag
843   *            @arg @ref UART_CLEAR_LBDF     LIN Break Detection Clear Flag
844   *            @arg @ref UART_CLEAR_CTSF     CTS Interrupt Clear Flag
845   *            @arg @ref UART_CLEAR_CMF      Character Match Clear Flag
846   *            @arg @ref UART_CLEAR_WUF      Wake Up from stop mode Clear Flag
847   * @retval None
848   */
849 #define __HAL_UART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->ICR = (__FLAG__))
850 
851 /** @brief  Clear the UART PE pending flag.
852   * @param  \__HANDLE__ specifies the UART Handle.
853   * @retval None
854   */
855 #define __HAL_UART_CLEAR_PEFLAG(__HANDLE__)   __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_PEF)
856 
857 /** @brief  Clear the UART FE pending flag.
858   * @param  \__HANDLE__ specifies the UART Handle.
859   * @retval None
860   */
861 #define __HAL_UART_CLEAR_FEFLAG(__HANDLE__)   __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_FEF)
862 
863 /** @brief  Clear the UART NE pending flag.
864   * @param  \__HANDLE__ specifies the UART Handle.
865   * @retval None
866   */
867 #define __HAL_UART_CLEAR_NEFLAG(__HANDLE__)  __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_NEF)
868 
869 /** @brief  Clear the UART ORE pending flag.
870   * @param  \__HANDLE__ specifies the UART Handle.
871   * @retval None
872   */
873 #define __HAL_UART_CLEAR_OREFLAG(__HANDLE__)   __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_OREF)
874 
875 /** @brief  Clear the UART IDLE pending flag.
876   * @param  \__HANDLE__ specifies the UART Handle.
877   * @retval None
878   */
879 #define __HAL_UART_CLEAR_IDLEFLAG(__HANDLE__)   __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_IDLEF)
880 
881 #if defined(USART_CR1_FIFOEN)
882 /** @brief  Clear the UART TX FIFO empty clear flag.
883   * @param  \__HANDLE__ specifies the UART Handle.
884   * @retval None
885   */
886 #define __HAL_UART_CLEAR_TXFECF(__HANDLE__)   __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_TXFECF)
887 #endif
888 
889 /** @brief  Check whether the specified UART flag is set or not.
890   * @param  \__HANDLE__ specifies the UART Handle.
891   * @param  \__FLAG__ specifies the flag to check.
892   *        This parameter can be one of the following values:
893   *            @arg @ref UART_FLAG_TXFT  TXFIFO threshold flag
894   *            @arg @ref UART_FLAG_RXFT  RXFIFO threshold flag
895   *            @arg @ref UART_FLAG_RXFF  RXFIFO Full flag
896   *            @arg @ref UART_FLAG_TXFE  TXFIFO Empty flag
897   *            @arg @ref UART_FLAG_REACK Receive enable acknowledge flag
898   *            @arg @ref UART_FLAG_TEACK Transmit enable acknowledge flag
899   *            @arg @ref UART_FLAG_WUF   Wake up from stop mode flag
900   *            @arg @ref UART_FLAG_RWU   Receiver wake up flag (if the UART in mute mode)
901   *            @arg @ref UART_FLAG_SBKF  Send Break flag
902   *            @arg @ref UART_FLAG_CMF   Character match flag
903   *            @arg @ref UART_FLAG_BUSY  Busy flag
904   *            @arg @ref UART_FLAG_ABRF  Auto Baud rate detection flag
905   *            @arg @ref UART_FLAG_ABRE  Auto Baud rate detection error flag
906   *            @arg @ref UART_FLAG_CTS   CTS Change flag
907   *            @arg @ref UART_FLAG_LBDF  LIN Break detection flag
908   *            @arg @ref UART_FLAG_TXE   Transmit data register empty flag
909   *            @arg @ref UART_FLAG_TXFNF UART TXFIFO not full flag
910   *            @arg @ref UART_FLAG_TC    Transmission Complete flag
911   *            @arg @ref UART_FLAG_RXNE  Receive data register not empty flag
912   *            @arg @ref UART_FLAG_RXFNE UART RXFIFO not empty flag
913   *            @arg @ref UART_FLAG_IDLE  Idle Line detection flag
914   *            @arg @ref UART_FLAG_ORE   Overrun Error flag
915   *            @arg @ref UART_FLAG_NE    Noise Error flag
916   *            @arg @ref UART_FLAG_FE    Framing Error flag
917   *            @arg @ref UART_FLAG_PE    Parity Error flag
918   * @retval The new state of __FLAG__ (TRUE or FALSE).
919   */
920 #define __HAL_UART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->ISR & (__FLAG__)) == (__FLAG__))
921 
922 /** @brief  Enable the specified UART interrupt.
923   * @param  \__HANDLE__ specifies the UART Handle.
924   * @param  \__INTERRUPT__ specifies the UART interrupt source to enable.
925   *          This parameter can be one of the following values:
926   *            @arg @ref UART_IT_RXFF  RXFIFO Full interrupt
927   *            @arg @ref UART_IT_TXFE  TXFIFO Empty interrupt
928   *            @arg @ref UART_IT_RXFT  RXFIFO threshold interrupt
929   *            @arg @ref UART_IT_TXFT  TXFIFO threshold interrupt
930   *            @arg @ref UART_IT_WUF   Wakeup from stop mode interrupt
931   *            @arg @ref UART_IT_CM    Character match interrupt
932   *            @arg @ref UART_IT_CTS   CTS change interrupt
933   *            @arg @ref UART_IT_LBD   LIN Break detection interrupt
934   *            @arg @ref UART_IT_TXE   Transmit Data Register empty interrupt
935   *            @arg @ref UART_IT_TXFNF TX FIFO not full interrupt
936   *            @arg @ref UART_IT_TC    Transmission complete interrupt
937   *            @arg @ref UART_IT_RXNE  Receive Data register not empty interrupt
938   *            @arg @ref UART_IT_RXFNE RXFIFO not empty interrupt
939   *            @arg @ref UART_IT_IDLE  Idle line detection interrupt
940   *            @arg @ref UART_IT_PE    Parity Error interrupt
941   *            @arg @ref UART_IT_ERR   Error interrupt (Frame error, noise error, overrun error)
942   * @retval None
943   */
944 #define __HAL_UART_ENABLE_IT(__HANDLE__, __INTERRUPT__)   (((((uint8_t)(__INTERRUPT__)) >> 5U) == 1U)? ((__HANDLE__)->Instance->CR1 |= (1U << ((__INTERRUPT__) & UART_IT_MASK))): \
945                                                            ((((uint8_t)(__INTERRUPT__)) >> 5U) == 2U)? ((__HANDLE__)->Instance->CR2 |= (1U << ((__INTERRUPT__) & UART_IT_MASK))): \
946                                                            ((__HANDLE__)->Instance->CR3 |= (1U << ((__INTERRUPT__) & UART_IT_MASK))))
947 
948 
949 /** @brief  Disable the specified UART interrupt.
950   * @param  \__HANDLE__ specifies the UART Handle.
951   * @param  \__INTERRUPT__ specifies the UART interrupt source to disable.
952   *          This parameter can be one of the following values:
953   *            @arg @ref UART_IT_RXFF  RXFIFO Full interrupt
954   *            @arg @ref UART_IT_TXFE  TXFIFO Empty interrupt
955   *            @arg @ref UART_IT_RXFT  RXFIFO threshold interrupt
956   *            @arg @ref UART_IT_TXFT  TXFIFO threshold interrupt
957   *            @arg @ref UART_IT_WUF   Wakeup from stop mode interrupt
958   *            @arg @ref UART_IT_CM    Character match interrupt
959   *            @arg @ref UART_IT_CTS   CTS change interrupt
960   *            @arg @ref UART_IT_LBD   LIN Break detection interrupt
961   *            @arg @ref UART_IT_TXE   Transmit Data Register empty interrupt
962   *            @arg @ref UART_IT_TXFNF TX FIFO not full interrupt
963   *            @arg @ref UART_IT_TC    Transmission complete interrupt
964   *            @arg @ref UART_IT_RXNE  Receive Data register not empty interrupt
965   *            @arg @ref UART_IT_RXFNE RXFIFO not empty interrupt
966   *            @arg @ref UART_IT_IDLE  Idle line detection interrupt
967   *            @arg @ref UART_IT_PE    Parity Error interrupt
968   *            @arg @ref UART_IT_ERR   Error interrupt (Frame error, noise error, overrun error)
969   * @retval None
970   */
971 #define __HAL_UART_DISABLE_IT(__HANDLE__, __INTERRUPT__)  (((((uint8_t)(__INTERRUPT__)) >> 5U) == 1U)? ((__HANDLE__)->Instance->CR1 &= ~ (1U << ((__INTERRUPT__) & UART_IT_MASK))): \
972                                                            ((((uint8_t)(__INTERRUPT__)) >> 5U) == 2U)? ((__HANDLE__)->Instance->CR2 &= ~ (1U << ((__INTERRUPT__) & UART_IT_MASK))): \
973                                                            ((__HANDLE__)->Instance->CR3 &= ~ (1U << ((__INTERRUPT__) & UART_IT_MASK))))
974 
975 /** @brief  Check whether the specified UART interrupt has occurred or not.
976   * @param  \__HANDLE__ specifies the UART Handle.
977   * @param  \__INTERRUPT__ specifies the UART interrupt to check.
978   *          This parameter can be one of the following values:
979   *            @arg @ref UART_IT_RXFF  RXFIFO Full interrupt
980   *            @arg @ref UART_IT_TXFE  TXFIFO Empty interrupt
981   *            @arg @ref UART_IT_RXFT  RXFIFO threshold interrupt
982   *            @arg @ref UART_IT_TXFT  TXFIFO threshold interrupt
983   *            @arg @ref UART_IT_WUF   Wakeup from stop mode interrupt
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_TXFNF TX FIFO not full interrupt
989   *            @arg @ref UART_IT_TC    Transmission complete interrupt
990   *            @arg @ref UART_IT_RXNE  Receive Data register not empty interrupt
991   *            @arg @ref UART_IT_RXFNE RXFIFO not empty interrupt
992   *            @arg @ref UART_IT_IDLE  Idle line detection interrupt
993   *            @arg @ref UART_IT_PE    Parity Error interrupt
994   *            @arg @ref UART_IT_ERR   Error interrupt (Frame error, noise error, overrun error)
995   * @retval The new state of __INTERRUPT__ (SET or RESET).
996   */
997 #define __HAL_UART_GET_IT(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->ISR & (1U << ((__INTERRUPT__)>> 8U))) != RESET) ? SET : RESET)
998 
999 /** @brief  Check whether the specified UART interrupt source is enabled or not.
1000   * @param  \__HANDLE__ specifies the UART Handle.
1001   * @param  \__INTERRUPT__ specifies the UART interrupt source to check.
1002   *          This parameter can be one of the following values:
1003   *            @arg @ref UART_IT_RXFF  RXFIFO Full interrupt
1004   *            @arg @ref UART_IT_TXFE  TXFIFO Empty interrupt
1005   *            @arg @ref UART_IT_RXFT  RXFIFO threshold interrupt
1006   *            @arg @ref UART_IT_TXFT  TXFIFO threshold interrupt
1007   *            @arg @ref UART_IT_WUF   Wakeup from stop mode interrupt
1008   *            @arg @ref UART_IT_CM    Character match interrupt
1009   *            @arg @ref UART_IT_CTS   CTS change interrupt
1010   *            @arg @ref UART_IT_LBD   LIN Break detection interrupt
1011   *            @arg @ref UART_IT_TXE   Transmit Data Register empty interrupt
1012   *            @arg @ref UART_IT_TXFNF TX FIFO not full interrupt
1013   *            @arg @ref UART_IT_TC    Transmission complete interrupt
1014   *            @arg @ref UART_IT_RXNE  Receive Data register not empty interrupt
1015   *            @arg @ref UART_IT_RXFNE RXFIFO not empty interrupt
1016   *            @arg @ref UART_IT_IDLE  Idle line detection interrupt
1017   *            @arg @ref UART_IT_PE    Parity Error interrupt
1018   *            @arg @ref UART_IT_ERR   Error interrupt (Frame error, noise error, overrun error)
1019   * @retval The new state of __INTERRUPT__ (SET or RESET).
1020   */
1021 #define __HAL_UART_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((((((uint8_t)(__INTERRUPT__)) >> 5U) == 1U) ? (__HANDLE__)->Instance->CR1 : \
1022                                                                (((((uint8_t)(__INTERRUPT__)) >> 5U) == 2U) ? (__HANDLE__)->Instance->CR2 : \
1023                                                                (__HANDLE__)->Instance->CR3)) & (1U << (((uint16_t)(__INTERRUPT__)) & UART_IT_MASK)))  != RESET) ? SET : RESET)
1024 
1025 /** @brief  Clear the specified UART ISR flag, in setting the proper ICR register flag.
1026   * @param  \__HANDLE__ specifies the UART Handle.
1027   * @param  \__IT_CLEAR__ specifies the interrupt clear register flag that needs to be set
1028   *                       to clear the corresponding interrupt
1029   *          This parameter can be one of the following values:
1030   *            @arg @ref UART_CLEAR_PEF    Parity Error Clear Flag
1031   *            @arg @ref UART_CLEAR_FEF    Framing Error Clear Flag
1032   *            @arg @ref UART_CLEAR_NEF    Noise detected Clear Flag
1033   *            @arg @ref UART_CLEAR_OREF   Overrun Error Clear Flag
1034   *            @arg @ref UART_CLEAR_IDLEF  IDLE line detected Clear Flag
1035   *            @arg @ref UART_CLEAR_TXFECF TXFIFO empty Clear Flag
1036   *            @arg @ref UART_CLEAR_TCF    Transmission Complete Clear Flag
1037   *            @arg @ref UART_CLEAR_LBDF   LIN Break Detection Clear Flag
1038   *            @arg @ref UART_CLEAR_CTSF   CTS Interrupt Clear Flag
1039   *            @arg @ref UART_CLEAR_CMF    Character Match Clear Flag
1040   *            @arg @ref UART_CLEAR_WUF    Wake Up from stop mode Clear Flag
1041   * @retval None
1042   */
1043 #define __HAL_UART_CLEAR_IT(__HANDLE__, __IT_CLEAR__) ((__HANDLE__)->Instance->ICR = (uint32_t)(__IT_CLEAR__))
1044 
1045 /** @brief  Set a specific UART request flag.
1046   * @param  \__HANDLE__ specifies the UART Handle.
1047   * @param  \__REQ__ specifies the request flag to set
1048   *          This parameter can be one of the following values:
1049   *            @arg @ref UART_AUTOBAUD_REQUEST Auto-Baud Rate Request
1050   *            @arg @ref UART_SENDBREAK_REQUEST Send Break Request
1051   *            @arg @ref UART_MUTE_MODE_REQUEST Mute Mode Request
1052   *            @arg @ref UART_RXDATA_FLUSH_REQUEST Receive Data flush Request
1053   *            @arg @ref UART_TXDATA_FLUSH_REQUEST Transmit data flush Request
1054   * @retval None
1055   */
1056 #define __HAL_UART_SEND_REQ(__HANDLE__, __REQ__) ((__HANDLE__)->Instance->RQR |= (__REQ__))
1057 
1058 /** @brief  Enable the UART one bit sample method.
1059   * @param  \__HANDLE__ specifies the UART Handle.
1060   * @retval None
1061   */
1062 #define __HAL_UART_ONE_BIT_SAMPLE_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3|= USART_CR3_ONEBIT)
1063 
1064 /** @brief  Disable the UART one bit sample method.
1065   * @param  \__HANDLE__ specifies the UART Handle.
1066   * @retval None
1067   */
1068 #define __HAL_UART_ONE_BIT_SAMPLE_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 &= ~USART_CR3_ONEBIT)
1069 
1070 /** @brief  Enable UART.
1071   * @param  \__HANDLE__ specifies the UART Handle.
1072   * @retval None
1073   */
1074 #define __HAL_UART_ENABLE(__HANDLE__)                   ((__HANDLE__)->Instance->CR1 |= USART_CR1_UE)
1075 
1076 /** @brief  Disable UART.
1077   * @param  \__HANDLE__ specifies the UART Handle.
1078   * @retval None
1079   */
1080 #define __HAL_UART_DISABLE(__HANDLE__)                  ((__HANDLE__)->Instance->CR1 &= ~USART_CR1_UE)
1081 
1082 /** @brief  Enable CTS flow control.
1083   * @note   This macro allows to enable CTS hardware flow control for a given UART instance,
1084   *         without need to call HAL_UART_Init() function.
1085   *         As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
1086   * @note   As macro is expected to be used for modifying CTS Hw flow control feature activation, without need
1087   *         for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
1088   *           - UART instance should have already been initialised (through call of HAL_UART_Init() )
1089   *           - macro could only be called when corresponding UART instance is disabled (i.e. __HAL_UART_DISABLE(__HANDLE__))
1090   *             and should be followed by an Enable macro (i.e. __HAL_UART_ENABLE(__HANDLE__)).
1091   * @param  \__HANDLE__ specifies the UART Handle.
1092   * @retval None
1093   */
1094 #define __HAL_UART_HWCONTROL_CTS_ENABLE(__HANDLE__)        \
1095   do{                                                      \
1096     SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE);  \
1097     (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_CTSE;        \
1098   } while(0U)
1099 
1100 /** @brief  Disable CTS flow control.
1101   * @note   This macro allows to disable CTS hardware flow control for a given UART instance,
1102   *         without need to call HAL_UART_Init() function.
1103   *         As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
1104   * @note   As macro is expected to be used for modifying CTS Hw flow control feature activation, without need
1105   *         for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
1106   *           - UART instance should have already been initialised (through call of HAL_UART_Init() )
1107   *           - macro could only be called when corresponding UART instance is disabled (i.e. __HAL_UART_DISABLE(__HANDLE__))
1108   *             and should be followed by an Enable macro (i.e. __HAL_UART_ENABLE(__HANDLE__)).
1109   * @param  \__HANDLE__ specifies the UART Handle.
1110   * @retval None
1111   */
1112 #define __HAL_UART_HWCONTROL_CTS_DISABLE(__HANDLE__)        \
1113   do{                                                       \
1114     CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE); \
1115     (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_CTSE);      \
1116   } while(0U)
1117 
1118 /** @brief  Enable RTS flow control.
1119   * @note   This macro allows to enable RTS hardware flow control for a given UART instance,
1120   *         without need to call HAL_UART_Init() function.
1121   *         As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
1122   * @note   As macro is expected to be used for modifying RTS Hw flow control feature activation, without need
1123   *         for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
1124   *           - UART instance should have already been initialised (through call of HAL_UART_Init() )
1125   *           - macro could only be called when corresponding UART instance is disabled (i.e. __HAL_UART_DISABLE(__HANDLE__))
1126   *             and should be followed by an Enable macro (i.e. __HAL_UART_ENABLE(__HANDLE__)).
1127   * @param  \__HANDLE__ specifies the UART Handle.
1128   * @retval None
1129   */
1130 #define __HAL_UART_HWCONTROL_RTS_ENABLE(__HANDLE__)       \
1131   do{                                                     \
1132     SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE); \
1133     (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_RTSE;       \
1134   } while(0U)
1135 
1136 /** @brief  Disable RTS flow control.
1137   * @note   This macro allows to disable RTS hardware flow control for a given UART instance,
1138   *         without need to call HAL_UART_Init() function.
1139   *         As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
1140   * @note   As macro is expected to be used for modifying RTS Hw flow control feature activation, without need
1141   *         for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
1142   *           - UART instance should have already been initialised (through call of HAL_UART_Init() )
1143   *           - macro could only be called when corresponding UART instance is disabled (i.e. __HAL_UART_DISABLE(__HANDLE__))
1144   *             and should be followed by an Enable macro (i.e. __HAL_UART_ENABLE(__HANDLE__)).
1145   * @param  \__HANDLE__ specifies the UART Handle.
1146   * @retval None
1147   */
1148 #define __HAL_UART_HWCONTROL_RTS_DISABLE(__HANDLE__)       \
1149   do{                                                      \
1150     CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE);\
1151     (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_RTSE);     \
1152   } while(0U)
1153 
1154 
1155 /** @brief  Get byte in FIFO.
1156     @param  \__HANDLE__ specifies the UART Handle.
1157     @retval Byte in FIFO
1158 */
1159 #define __HAL_UART_GETC(__HANDLE__)  ((__HANDLE__)->Instance->RDR & 0xff)
1160 
1161 /** @brief  Put byte in FIFO for RX.
1162     @param  \__HANDLE__ specifies the UART Handle.
1163     @param  ch Byte to put into FIFO
1164     @retval Byte in FIFO
1165 */
1166 #define __HAL_UART_PUTC(__HANDLE__,ch)  (__HANDLE__)->Instance->TDR=ch
1167 
1168 
1169 /**
1170   * @}
1171   */
1172 
1173 /* Private macros --------------------------------------------------------*/
1174 /** @defgroup UART_Private_Macros   UART Private Macros
1175   * @{
1176   */
1177 
1178 /** @brief  Report the UART mask to apply to retrieve the received data
1179   *         according to the word length and to the parity bits activation.
1180   * @note   If PCE = 1, the parity bit is not included in the data extracted
1181   *         by the reception API().
1182   *         This masking operation is not carried out in the case of
1183   *         DMA transfers.
1184   * @param  \__HANDLE__ specifies the UART Handle.
1185   * @retval None, the mask to apply to UART RDR register is stored in (__HANDLE__)->Mask field.
1186   */
1187 #define UART_MASK_COMPUTATION(__HANDLE__)                             \
1188   do {                                                                \
1189   if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_9B)            \
1190   {                                                                   \
1191      if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE)               \
1192      {                                                                \
1193         (__HANDLE__)->Mask = 0x01FFU ;                                \
1194      }                                                                \
1195      else                                                             \
1196      {                                                                \
1197         (__HANDLE__)->Mask = 0x00FFU ;                                \
1198      }                                                                \
1199   }                                                                   \
1200   else if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_8B)       \
1201   {                                                                   \
1202      if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE)               \
1203      {                                                                \
1204         (__HANDLE__)->Mask = 0x00FFU ;                                \
1205      }                                                                \
1206      else                                                             \
1207      {                                                                \
1208         (__HANDLE__)->Mask = 0x007FU ;                                \
1209      }                                                                \
1210   }                                                                   \
1211   else if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_7B)       \
1212   {                                                                   \
1213      if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE)               \
1214      {                                                                \
1215         (__HANDLE__)->Mask = 0x007FU ;                                \
1216      }                                                                \
1217      else                                                             \
1218      {                                                                \
1219         (__HANDLE__)->Mask = 0x003FU ;                                \
1220      }                                                                \
1221   }                                                                   \
1222 } while(0U)
1223 
1224 
1225 #if defined(USART_PRESC_PRESCALER)
1226 /** @brief  Get UART clok division factor from clock prescaler value.
1227   * @param  \__CLOCKPRESCALER__ UART prescaler value.
1228   * @retval UART clock division factor
1229   */
1230 #define UART_GET_DIV_FACTOR(__CLOCKPRESCALER__) \
1231   (((__CLOCKPRESCALER__) == UART_PRESCALER_DIV1)   ? 1U :       \
1232    ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV2)   ? 2U :       \
1233    ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV4)   ? 4U :       \
1234    ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV6)   ? 6U :       \
1235    ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV8)   ? 8U :       \
1236    ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV10)  ? 10U :      \
1237    ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV12)  ? 12U :      \
1238    ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV16)  ? 16U :      \
1239    ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV32)  ? 32U :      \
1240    ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV64)  ? 64U :      \
1241    ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV128) ? 128U :     \
1242    ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV256) ? 256U : 1U)
1243 
1244 /** @brief  BRR division operation to set BRR register with LPUART.
1245   * @param  \__PCLK__ LPUART clock.
1246   * @param  \__BAUD__ Baud rate set by the user.
1247   * @param  \__CLOCKPRESCALER__ UART prescaler value.
1248   * @retval Division result
1249   */
1250 #define UART_DIV_LPUART(__PCLK__, __BAUD__, __CLOCKPRESCALER__)      ((((((uint64_t)(__PCLK__)/UART_GET_DIV_FACTOR((__CLOCKPRESCALER__)))*256U)) + ((__BAUD__)/2U)) / (__BAUD__))
1251 
1252 /** @brief  BRR division operation to set BRR register in 8-bit oversampling mode.
1253   * @param  \__PCLK__ UART clock.
1254   * @param  \__BAUD__ Baud rate set by the user.
1255   * @param  \__CLOCKPRESCALER__ UART prescaler value.
1256   * @retval Division result
1257   */
1258 #define UART_DIV_SAMPLING8(__PCLK__, __BAUD__, __CLOCKPRESCALER__)   (((((__PCLK__)/UART_GET_DIV_FACTOR((__CLOCKPRESCALER__)))*2U) + ((__BAUD__)/2U)) / (__BAUD__))
1259 
1260 /** @brief  BRR division operation to set BRR register in 16-bit oversampling mode.
1261   * @param  \__PCLK__ UART clock.
1262   * @param  \__BAUD__ Baud rate set by the user.
1263   * @param  \__CLOCKPRESCALER__ UART prescaler value.
1264   * @retval Division result
1265   */
1266 #define UART_DIV_SAMPLING16(__PCLK__, __BAUD__, __CLOCKPRESCALER__)  ((((__PCLK__)/UART_GET_DIV_FACTOR((__CLOCKPRESCALER__))) + ((__BAUD__)/2U)) / (__BAUD__))
1267 #else
1268 
1269 /** @brief  BRR division operation to set BRR register with LPUART.
1270   * @param  \__PCLK__ LPUART clock.
1271   * @param  \__BAUD__ Baud rate set by the user.
1272   * @retval Division result
1273   */
1274 #define UART_DIV_LPUART(__PCLK__, __BAUD__)      (((((uint64_t)(__PCLK__)*256U)) + ((__BAUD__)/2U)) / (__BAUD__))
1275 
1276 /** @brief  BRR division operation to set BRR register in 8-bit oversampling mode.
1277   * @param  \__PCLK__ UART clock.
1278   * @param  \__BAUD__ Baud rate set by the user.
1279   * @retval Division result
1280   */
1281 #define UART_DIV_SAMPLING8(__PCLK__, __BAUD__)   ((((__PCLK__)*2U) + ((__BAUD__)/2U)) / (__BAUD__))
1282 
1283 /** @brief  BRR division operation to set BRR register in 16-bit oversampling mode.
1284   * @param  \__PCLK__ UART clock.
1285   * @param  \__BAUD__ Baud rate set by the user.
1286   * @retval Division result
1287   */
1288 #define UART_DIV_SAMPLING16(__PCLK__, __BAUD__)  (((__PCLK__) + ((__BAUD__)/2U)) / (__BAUD__))
1289 #endif
1290 
1291 
1292 /** @brief  Check whether or not UART instance is Low Power UART.
1293   * @param  \__HANDLE__ specifies the UART Handle.
1294   * @retval SET (instance is LPUART) or RESET (instance isn't LPUART)
1295   */
1296 #define UART_INSTANCE_LOWPOWER(__HANDLE__) (IS_LPUART_INSTANCE((__HANDLE__)->Instance))
1297 
1298 #define IS_UART_WORD_LENGTH(LENGTH) (((LENGTH) == UART_WORDLENGTH_6B) || \
1299                                      ((LENGTH) == UART_WORDLENGTH_7B) || \
1300                                      ((LENGTH) == UART_WORDLENGTH_8B) || \
1301                                      ((LENGTH) == UART_WORDLENGTH_9B))
1302 
1303 /** @brief  Check UART Baud rate.
1304   * @param  \__BAUDRATE__ Baudrate specified by the user.
1305   *         The maximum Baud Rate is derived from the maximum clock on L4
1306   *         divided by the smallest oversampling used on the USART (i.e. 8)
1307   * @retval SET (__BAUDRATE__ is valid) or RESET (__BAUDRATE__ is invalid)
1308   */
1309 #define IS_UART_BAUDRATE(__BAUDRATE__) ((__BAUDRATE__) < 10000001U)
1310 
1311 /** @brief  Check UART assertion time.
1312   * @param  \__TIME__ 5-bit value assertion time.
1313   * @retval Test result (TRUE or FALSE).
1314   */
1315 #define IS_UART_ASSERTIONTIME(__TIME__)    ((__TIME__) <= 0x1FU)
1316 
1317 /** @brief  Check UART deassertion time.
1318   * @param  \__TIME__ 5-bit value deassertion time.
1319   * @retval Test result (TRUE or FALSE).
1320   */
1321 #define IS_UART_DEASSERTIONTIME(__TIME__) ((__TIME__) <= 0x1FU)
1322 
1323 /**
1324   * @brief Ensure that UART frame number of stop bits is valid.
1325   * @param  \__STOPBITS__ UART frame number of stop bits.
1326   * @retval SET (__STOPBITS__ is valid) or RESET (__STOPBITS__ is invalid)
1327   */
1328 #define IS_UART_STOPBITS(__STOPBITS__) (((__STOPBITS__) == UART_STOPBITS_0_5) || \
1329                                         ((__STOPBITS__) == UART_STOPBITS_1)   || \
1330                                         ((__STOPBITS__) == UART_STOPBITS_1_5) || \
1331                                         ((__STOPBITS__) == UART_STOPBITS_2))
1332 
1333 /**
1334   * @brief Ensure that LPUART frame number of stop bits is valid.
1335   * @param  \__STOPBITS__ LPUART frame number of stop bits.
1336   * @retval SET (__STOPBITS__ is valid) or RESET (__STOPBITS__ is invalid)
1337   */
1338 #define IS_LPUART_STOPBITS(__STOPBITS__) (((__STOPBITS__) == UART_STOPBITS_1) || \
1339                                           ((__STOPBITS__) == UART_STOPBITS_2))
1340 
1341 /**
1342   * @brief Ensure that UART frame parity is valid.
1343   * @param  \__PARITY__ UART frame parity.
1344   * @retval SET (__PARITY__ is valid) or RESET (__PARITY__ is invalid)
1345   */
1346 #define IS_UART_PARITY(__PARITY__) (((__PARITY__) == UART_PARITY_NONE) || \
1347                                     ((__PARITY__) == UART_PARITY_EVEN) || \
1348                                     ((__PARITY__) == UART_PARITY_ODD))
1349 
1350 /**
1351   * @brief Ensure that UART hardware flow control is valid.
1352   * @param  \__CONTROL__ UART hardware flow control.
1353   * @retval SET (__CONTROL__ is valid) or RESET (__CONTROL__ is invalid)
1354   */
1355 #define IS_UART_HARDWARE_FLOW_CONTROL(__CONTROL__)\
1356                                    (((__CONTROL__) == UART_HWCONTROL_NONE) || \
1357                                     ((__CONTROL__) == UART_HWCONTROL_RTS)  || \
1358                                     ((__CONTROL__) == UART_HWCONTROL_CTS)  || \
1359                                     ((__CONTROL__) == UART_HWCONTROL_RTS_CTS))
1360 
1361 /**
1362   * @brief Ensure that UART communication mode is valid.
1363   * @param  \__MODE__ UART communication mode.
1364   * @retval SET (__MODE__ is valid) or RESET (__MODE__ is invalid)
1365   */
1366 #define IS_UART_MODE(__MODE__) ((((__MODE__) & (~((uint32_t)(UART_MODE_TX_RX)))) == 0x00U) && ((__MODE__) != 0x00U))
1367 
1368 /**
1369   * @brief Ensure that UART state is valid.
1370   * @param  \__STATE__ UART state.
1371   * @retval SET (__STATE__ is valid) or RESET (__STATE__ is invalid)
1372   */
1373 #define IS_UART_STATE(__STATE__) (((__STATE__) == UART_STATE_DISABLE) || \
1374                                   ((__STATE__) == UART_STATE_ENABLE))
1375 
1376 /**
1377   * @brief Ensure that UART oversampling is valid.
1378   * @param  \__SAMPLING__ UART oversampling.
1379   * @retval SET (__SAMPLING__ is valid) or RESET (__SAMPLING__ is invalid)
1380   */
1381 #define IS_UART_OVERSAMPLING(__SAMPLING__) (((__SAMPLING__) == UART_OVERSAMPLING_16) || \
1382                                             ((__SAMPLING__) == UART_OVERSAMPLING_8))
1383 
1384 /**
1385   * @brief Ensure that UART frame sampling is valid.
1386   * @param  \__ONEBIT__ UART frame sampling.
1387   * @retval SET (__ONEBIT__ is valid) or RESET (__ONEBIT__ is invalid)
1388   */
1389 #define IS_UART_ONE_BIT_SAMPLE(__ONEBIT__) (((__ONEBIT__) == UART_ONE_BIT_SAMPLE_DISABLE) || \
1390                                             ((__ONEBIT__) == UART_ONE_BIT_SAMPLE_ENABLE))
1391 
1392 /**
1393   * @brief Ensure that UART auto Baud rate detection mode is valid.
1394   * @param  \__MODE__ UART auto Baud rate detection mode.
1395   * @retval SET (__MODE__ is valid) or RESET (__MODE__ is invalid)
1396   */
1397 // TODO: Fix me with realy defines
1398 #if 0
1399 #define IS_UART_ADVFEATURE_AUTOBAUDRATEMODE(__MODE__)  (((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ONSTARTBIT)    || \
1400                                                         ((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ONFALLINGEDGE) || \
1401                                                         ((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ON0X7FFRAME)   || \
1402                                                         ((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ON0X55FRAME))
1403 #else
1404 #define IS_UART_ADVFEATURE_AUTOBAUDRATEMODE(__MODE__)   (1)
1405 #endif
1406 
1407 /**
1408   * @brief Ensure that UART receiver timeout setting is valid.
1409   * @param  \__TIMEOUT__ UART receiver timeout setting.
1410   * @retval SET (__TIMEOUT__ is valid) or RESET (__TIMEOUT__ is invalid)
1411   */
1412 #define IS_UART_RECEIVER_TIMEOUT(__TIMEOUT__) (((__TIMEOUT__) == UART_RECEIVER_TIMEOUT_DISABLE) || \
1413                                                ((__TIMEOUT__) == UART_RECEIVER_TIMEOUT_ENABLE))
1414 
1415 /**
1416   * @brief Ensure that UART LIN state is valid.
1417   * @param  \__LIN__ UART LIN state.
1418   * @retval SET (__LIN__ is valid) or RESET (__LIN__ is invalid)
1419   */
1420 #define IS_UART_LIN(__LIN__)        (((__LIN__) == UART_LIN_DISABLE) || \
1421                                      ((__LIN__) == UART_LIN_ENABLE))
1422 
1423 /**
1424   * @brief Ensure that UART LIN break detection length is valid.
1425   * @param  \__LENGTH__ UART LIN break detection length.
1426   * @retval SET (__LENGTH__ is valid) or RESET (__LENGTH__ is invalid)
1427   */
1428 #define IS_UART_LIN_BREAK_DETECT_LENGTH(__LENGTH__) (((__LENGTH__) == UART_LINBREAKDETECTLENGTH_10B) || \
1429                                                      ((__LENGTH__) == UART_LINBREAKDETECTLENGTH_11B))
1430 
1431 /**
1432   * @brief Ensure that UART DMA TX state is valid.
1433   * @param  \__DMATX__ UART DMA TX state.
1434   * @retval SET (__DMATX__ is valid) or RESET (__DMATX__ is invalid)
1435   */
1436 #define IS_UART_DMA_TX(__DMATX__)     (((__DMATX__) == UART_DMA_TX_DISABLE) || \
1437                                        ((__DMATX__) == UART_DMA_TX_ENABLE))
1438 
1439 /**
1440   * @brief Ensure that UART DMA RX state is valid.
1441   * @param  \__DMARX__ UART DMA RX state.
1442   * @retval SET (__DMARX__ is valid) or RESET (__DMARX__ is invalid)
1443   */
1444 #define IS_UART_DMA_RX(__DMARX__)     (((__DMARX__) == UART_DMA_RX_DISABLE) || \
1445                                        ((__DMARX__) == UART_DMA_RX_ENABLE))
1446 
1447 /**
1448   * @brief Ensure that UART half-duplex state is valid.
1449   * @param  \__HDSEL__ UART half-duplex state.
1450   * @retval SET (__HDSEL__ is valid) or RESET (__HDSEL__ is invalid)
1451   */
1452 #define IS_UART_HALF_DUPLEX(__HDSEL__)     (((__HDSEL__) == UART_HALF_DUPLEX_DISABLE) || \
1453                                             ((__HDSEL__) == UART_HALF_DUPLEX_ENABLE))
1454 
1455 /**
1456   * @brief Ensure that UART wake-up method is valid.
1457   * @param  \__WAKEUP__ UART wake-up method .
1458   * @retval SET (__WAKEUP__ is valid) or RESET (__WAKEUP__ is invalid)
1459   */
1460 #define IS_UART_WAKEUPMETHOD(__WAKEUP__) (((__WAKEUP__) == UART_WAKEUPMETHOD_IDLELINE) || \
1461                                           ((__WAKEUP__) == UART_WAKEUPMETHOD_ADDRESSMARK))
1462 
1463 /**
1464   * @brief Ensure that UART request parameter is valid.
1465   * @param  \__PARAM__ UART request parameter.
1466   * @retval SET (__PARAM__ is valid) or RESET (__PARAM__ is invalid)
1467   */
1468 #define IS_UART_REQUEST_PARAMETER(__PARAM__) (((__PARAM__) == UART_AUTOBAUD_REQUEST)     || \
1469                                               ((__PARAM__) == UART_SENDBREAK_REQUEST)    || \
1470                                               ((__PARAM__) == UART_MUTE_MODE_REQUEST)    || \
1471                                               ((__PARAM__) == UART_RXDATA_FLUSH_REQUEST) || \
1472                                               ((__PARAM__) == UART_TXDATA_FLUSH_REQUEST))
1473 
1474 /**
1475   * @brief Ensure that UART advanced features initialization is valid.
1476   * @param  \__INIT__ UART advanced features initialization.
1477   * @retval SET (__INIT__ is valid) or RESET (__INIT__ is invalid)
1478   */
1479 #define IS_UART_ADVFEATURE_INIT(__INIT__)   ((__INIT__) <= (UART_ADVFEATURE_NO_INIT                | \
1480                                                             UART_ADVFEATURE_TXINVERT_INIT          | \
1481                                                             UART_ADVFEATURE_RXINVERT_INIT          | \
1482                                                             UART_ADVFEATURE_DATAINVERT_INIT        | \
1483                                                             UART_ADVFEATURE_SWAP_INIT              | \
1484                                                             UART_ADVFEATURE_RXOVERRUNDISABLE_INIT  | \
1485                                                             UART_ADVFEATURE_DMADISABLEONERROR_INIT | \
1486                                                             UART_ADVFEATURE_AUTOBAUDRATE_INIT      | \
1487                                                             UART_ADVFEATURE_MSBFIRST_INIT))
1488 
1489 /**
1490   * @brief Ensure that UART frame TX inversion setting is valid.
1491   * @param  \__TXINV__ UART frame TX inversion setting.
1492   * @retval SET (__TXINV__ is valid) or RESET (__TXINV__ is invalid)
1493   */
1494 #define IS_UART_ADVFEATURE_TXINV(__TXINV__) (((__TXINV__) == UART_ADVFEATURE_TXINV_DISABLE) || \
1495                                              ((__TXINV__) == UART_ADVFEATURE_TXINV_ENABLE))
1496 
1497 /**
1498   * @brief Ensure that UART frame RX inversion setting is valid.
1499   * @param  \__RXINV__ UART frame RX inversion setting.
1500   * @retval SET (__RXINV__ is valid) or RESET (__RXINV__ is invalid)
1501   */
1502 #define IS_UART_ADVFEATURE_RXINV(__RXINV__) (((__RXINV__) == UART_ADVFEATURE_RXINV_DISABLE) || \
1503                                              ((__RXINV__) == UART_ADVFEATURE_RXINV_ENABLE))
1504 
1505 /**
1506   * @brief Ensure that UART frame data inversion setting is valid.
1507   * @param  \__DATAINV__ UART frame data inversion setting.
1508   * @retval SET (__DATAINV__ is valid) or RESET (__DATAINV__ is invalid)
1509   */
1510 #define IS_UART_ADVFEATURE_DATAINV(__DATAINV__) (((__DATAINV__) == UART_ADVFEATURE_DATAINV_DISABLE) || \
1511                                                  ((__DATAINV__) == UART_ADVFEATURE_DATAINV_ENABLE))
1512 
1513 /**
1514   * @brief Ensure that UART frame RX/TX pins swap setting is valid.
1515   * @param  \__SWAP__ UART frame RX/TX pins swap setting.
1516   * @retval SET (__SWAP__ is valid) or RESET (__SWAP__ is invalid)
1517   */
1518 #define IS_UART_ADVFEATURE_SWAP(__SWAP__) (((__SWAP__) == UART_ADVFEATURE_SWAP_DISABLE) || \
1519                                            ((__SWAP__) == UART_ADVFEATURE_SWAP_ENABLE))
1520 
1521 /**
1522   * @brief Ensure that UART frame overrun setting is valid.
1523   * @param  \__OVERRUN__ UART frame overrun setting.
1524   * @retval SET (__OVERRUN__ is valid) or RESET (__OVERRUN__ is invalid)
1525   */
1526 #define IS_UART_OVERRUN(__OVERRUN__)     (((__OVERRUN__) == UART_ADVFEATURE_OVERRUN_ENABLE) || \
1527                                           ((__OVERRUN__) == UART_ADVFEATURE_OVERRUN_DISABLE))
1528 
1529 /**
1530   * @brief Ensure that UART auto Baud rate state is valid.
1531   * @param  \__AUTOBAUDRATE__ UART auto Baud rate state.
1532   * @retval SET (__AUTOBAUDRATE__ is valid) or RESET (__AUTOBAUDRATE__ is invalid)
1533   */
1534 #define IS_UART_ADVFEATURE_AUTOBAUDRATE(__AUTOBAUDRATE__)  (((__AUTOBAUDRATE__) == UART_ADVFEATURE_AUTOBAUDRATE_DISABLE) || \
1535                                                             ((__AUTOBAUDRATE__) == UART_ADVFEATURE_AUTOBAUDRATE_ENABLE))
1536 
1537 /**
1538   * @brief Ensure that UART DMA enabling or disabling on error setting is valid.
1539   * @param  \__DMA__ UART DMA enabling or disabling on error setting.
1540   * @retval SET (__DMA__ is valid) or RESET (__DMA__ is invalid)
1541   */
1542 #define IS_UART_ADVFEATURE_DMAONRXERROR(__DMA__)  (((__DMA__) == UART_ADVFEATURE_DMA_ENABLEONRXERROR) || \
1543                                                    ((__DMA__) == UART_ADVFEATURE_DMA_DISABLEONRXERROR))
1544 
1545 /**
1546   * @brief Ensure that UART frame MSB first setting is valid.
1547   * @param  \__MSBFIRST__ UART frame MSB first setting.
1548   * @retval SET (__MSBFIRST__ is valid) or RESET (__MSBFIRST__ is invalid)
1549   */
1550 #define IS_UART_ADVFEATURE_MSBFIRST(__MSBFIRST__) (((__MSBFIRST__) == UART_ADVFEATURE_MSBFIRST_DISABLE) || \
1551                                                    ((__MSBFIRST__) == UART_ADVFEATURE_MSBFIRST_ENABLE))
1552 
1553 /**
1554   * @brief Ensure that UART stop mode state is valid.
1555   * @param  \__STOPMODE__ UART stop mode state.
1556   * @retval SET (__STOPMODE__ is valid) or RESET (__STOPMODE__ is invalid)
1557   */
1558 #define IS_UART_ADVFEATURE_STOPMODE(__STOPMODE__) (((__STOPMODE__) == UART_ADVFEATURE_STOPMODE_DISABLE) || \
1559                                                    ((__STOPMODE__) == UART_ADVFEATURE_STOPMODE_ENABLE))
1560 
1561 /**
1562   * @brief Ensure that UART mute mode state is valid.
1563   * @param  \__MUTE__ UART mute mode state.
1564   * @retval SET (__MUTE__ is valid) or RESET (__MUTE__ is invalid)
1565   */
1566 #define IS_UART_MUTE_MODE(__MUTE__)       (((__MUTE__) == UART_ADVFEATURE_MUTEMODE_DISABLE) || \
1567                                            ((__MUTE__) == UART_ADVFEATURE_MUTEMODE_ENABLE))
1568 
1569 /**
1570   * @brief Ensure that UART wake-up selection is valid.
1571   * @param  \__WAKE__ UART wake-up selection.
1572   * @retval SET (__WAKE__ is valid) or RESET (__WAKE__ is invalid)
1573   */
1574 #define IS_UART_WAKEUP_SELECTION(__WAKE__) (((__WAKE__) == UART_WAKEUP_ON_ADDRESS)           || \
1575                                             ((__WAKE__) == UART_WAKEUP_ON_STARTBIT)          || \
1576                                             ((__WAKE__) == UART_WAKEUP_ON_READDATA_NONEMPTY))
1577 
1578 /**
1579   * @brief Ensure that UART driver enable polarity is valid.
1580   * @param  \__POLARITY__ UART driver enable polarity.
1581   * @retval SET (__POLARITY__ is valid) or RESET (__POLARITY__ is invalid)
1582   */
1583 #define IS_UART_DE_POLARITY(__POLARITY__)    (((__POLARITY__) == UART_DE_POLARITY_HIGH) || \
1584                                               ((__POLARITY__) == UART_DE_POLARITY_LOW))
1585 
1586 #if defined(USART_PRESC_PRESCALER)
1587 /**
1588   * @brief Ensure that UART Prescaler is valid.
1589   * @param  \__CLOCKPRESCALER__ UART Prescaler value.
1590   * @retval SET (__CLOCKPRESCALER__ is valid) or RESET (__CLOCKPRESCALER__ is invalid)
1591   */
1592 #define IS_UART_PRESCALER(__CLOCKPRESCALER__) (((__CLOCKPRESCALER__) == UART_PRESCALER_DIV1)   || \
1593                                                ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV2)   || \
1594                                                ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV4)   || \
1595                                                ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV6)   || \
1596                                                ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV8)   || \
1597                                                ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV10)  || \
1598                                                ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV12)  || \
1599                                                ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV16)  || \
1600                                                ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV32)  || \
1601                                                ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV64)  || \
1602                                                ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV128) || \
1603                                                ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV256))
1604 #endif
1605 
1606 /* TODO: Revisit with real define*/
1607 #define IS_UART_HWFLOW_INSTANCE(__INSTANCE__)                   (1)
1608 #define IS_UART_INSTANCE(__INSTANCE__)                          (1)
1609 #define IS_UART_HALFDUPLEX_INSTANCE(__INSTANCE__)               (1)
1610 #define IS_UART_LIN_INSTANCE(__INSTANCE__)                      (1)
1611 #define IS_USART_AUTOBAUDRATE_DETECTION_INSTANCE(__INSTANCE__)  (1)
1612 
1613 #if defined(USART_EXR_BUSY)
1614 #define HAL_UART_LOCK_DEF()         volatile uint32_t exr
1615 
1616 /* Can be nested, if already locked by CPU, lock will succeed and unlock would do nothing */
1617 #define HAL_UART_LOCK(__HANDLE__)                                   \
1618     do                                                              \
1619     {                                                               \
1620         exr = (__HANDLE__)->Instance->EXR;                          \
1621         while ((exr & USART_EXR_BUSY) && (exr & USART_EXR_ID_Msk))  \
1622         {                                                           \
1623             exr = (__HANDLE__)->Instance->EXR;                      \
1624         }                                                           \
1625     }                                                               \
1626     while (0);
1627 
1628 #define HAL_UART_UNLOCK(__HANDLE__)                                 \
1629     do                                                              \
1630     {                                                               \
1631         if (0 == (exr & USART_EXR_BUSY))                            \
1632         {                                                           \
1633             (__HANDLE__)->Instance->EXR = USART_EXR_BUSY;           \
1634         }                                                           \
1635     }                                                               \
1636     while (0);
1637 
1638 #else
1639 #define HAL_UART_LOCK_DEF()
1640 #define HAL_UART_LOCK(__HANDLE__)
1641 #define HAL_UART_UNLOCK(__HANDLE__)
1642 #endif /* USART_EXR_BUSY */
1643 
1644 /**
1645   * @}
1646   */
1647 
1648 
1649 /* Exported functions --------------------------------------------------------*/
1650 /** @addtogroup UART_Exported_Functions UART Exported Functions
1651   * @{
1652   */
1653 
1654 /** @addtogroup UART_Exported_Functions_Group1 Initialization and de-initialization functions
1655   * @{
1656   */
1657 
1658 /* Initialization and de-initialization functions  ****************************/
1659 
1660 /**
1661   * @brief Initialize the UART mode according to the specified
1662   *        parameters in the UART_InitTypeDef and initialize the associated handle.
1663   * @param huart UART handle.
1664   * @retval HAL status
1665   */
1666 HAL_StatusTypeDef HAL_UART_Init(UART_HandleTypeDef *huart);
1667 HAL_StatusTypeDef HAL_HalfDuplex_Init(UART_HandleTypeDef *huart);
1668 HAL_StatusTypeDef HAL_LIN_Init(UART_HandleTypeDef *huart, uint32_t BreakDetectLength);
1669 HAL_StatusTypeDef HAL_MultiProcessor_Init(UART_HandleTypeDef *huart, uint8_t Address, uint32_t WakeUpMethod);
1670 
1671 /**
1672   * @brief DeInitialize the UART peripheral.
1673   * @param huart UART handle.
1674   * @retval HAL status
1675   */
1676 HAL_StatusTypeDef HAL_UART_DeInit(UART_HandleTypeDef *huart);
1677 void HAL_UART_MspInit(UART_HandleTypeDef *huart);
1678 void HAL_UART_MspDeInit(UART_HandleTypeDef *huart);
1679 
1680 /* Callbacks Register/UnRegister functions  ***********************************/
1681 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
1682 /**
1683   * @brief  Register a User UART Callback
1684   *         To be used instead of the weak predefined callback
1685   * @param  huart uart handle
1686   * @param  CallbackID ID of the callback to be registered
1687   *         This parameter can be one of the following values:
1688   *           @arg @ref HAL_UART_TX_HALFCOMPLETE_CB_ID Tx Half Complete Callback ID
1689   *           @arg @ref HAL_UART_TX_COMPLETE_CB_ID Tx Complete Callback ID
1690   *           @arg @ref HAL_UART_RX_HALFCOMPLETE_CB_ID Rx Half Complete Callback ID
1691   *           @arg @ref HAL_UART_RX_COMPLETE_CB_ID Rx Complete Callback ID
1692   *           @arg @ref HAL_UART_ERROR_CB_ID Error Callback ID
1693   *           @arg @ref HAL_UART_ABORT_COMPLETE_CB_ID Abort Complete Callback ID
1694   *           @arg @ref HAL_UART_ABORT_TRANSMIT_COMPLETE_CB_ID Abort Transmit Complete Callback ID
1695   *           @arg @ref HAL_UART_ABORT_RECEIVE_COMPLETE_CB_ID Abort Receive Complete Callback ID
1696   *           @arg @ref HAL_UART_WAKEUP_CB_ID Wakeup Callback ID
1697   *           @arg @ref HAL_UART_RX_FIFO_FULL_CB_ID Rx Fifo Full Callback ID
1698   *           @arg @ref HAL_UART_TX_FIFO_EMPTY_CB_ID Tx Fifo Empty Callback ID
1699   *           @arg @ref HAL_UART_MSPINIT_CB_ID MspInit Callback ID
1700   *           @arg @ref HAL_UART_MSPDEINIT_CB_ID MspDeInit Callback ID
1701   * @param  pCallback pointer to the Callback function
1702   * @retval HAL status
1703   */
1704 HAL_StatusTypeDef HAL_UART_RegisterCallback(UART_HandleTypeDef *huart, HAL_UART_CallbackIDTypeDef CallbackID, pUART_CallbackTypeDef pCallback);
1705 HAL_StatusTypeDef HAL_UART_UnRegisterCallback(UART_HandleTypeDef *huart, HAL_UART_CallbackIDTypeDef CallbackID);
1706 #endif /* USE_HAL_UART_REGISTER_CALLBACKS */
1707 
1708 /**
1709   * @}
1710   */
1711 
1712 /** @addtogroup UART_Exported_Functions_Group2 IO operation functions
1713   * @{
1714   */
1715 
1716 /* IO operation functions *****************************************************/
1717 
1718 /**
1719   * @brief Send an amount of data in blocking mode.
1720   * @note When FIFO mode is enabled, writing a data in the TDR register adds one
1721   *       data to the TXFIFO. Write operations to the TDR register are performed
1722   *       when TXFNF flag is set. From hardware perspective, TXFNF flag and
1723   *       TXE are mapped on the same bit-field.
1724   * @param huart   UART handle.
1725   * @param pData   Pointer to data buffer.
1726   * @param Size    Amount of data to be sent.
1727   * @param Timeout Timeout duration.
1728   * @retval HAL status
1729   */
1730 HAL_StatusTypeDef HAL_UART_Transmit(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout);
1731 
1732 /**
1733   * @brief Receive an amount of data in blocking mode.
1734   * @note When FIFO mode is enabled, the RXFNE flag is set as long as the RXFIFO
1735   *       is not empty. Read operations from the RDR register are performed when
1736   *       RXFNE flag is set. From hardware perspective, RXFNE flag and
1737   *       RXNE are mapped on the same bit-field.
1738   * @param huart   UART handle.
1739   * @param pData   Pointer to data buffer.
1740   * @param Size    Amount of data to be received.
1741   * @param Timeout Timeout duration.
1742   * @retval HAL status
1743   */
1744 HAL_StatusTypeDef HAL_UART_Receive(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout);
1745 
1746 /**
1747   * @brief Send an amount of data in interrupt mode.
1748   * @param huart UART handle.
1749   * @param pData Pointer to data buffer.
1750   * @param Size  Amount of data to be sent.
1751   * @retval HAL status
1752   */
1753 HAL_StatusTypeDef HAL_UART_Transmit_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
1754 
1755 /**
1756   * @brief Receive an amount of data in interrupt mode.
1757   * @param huart UART handle.
1758   * @param pData Pointer to data buffer.
1759   * @param Size  Amount of data to be received.
1760   * @retval HAL status
1761   */
1762 HAL_StatusTypeDef HAL_UART_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
1763 
1764 /**
1765   * @brief Send an amount of data in DMA mode.
1766   * @param huart UART handle.
1767   * @param pData Pointer to data buffer.
1768   * @param Size  Amount of data to be sent.
1769   * @retval HAL status
1770   */
1771 HAL_StatusTypeDef HAL_UART_Transmit_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
1772 
1773 /**
1774   * @brief Receive an amount of data in DMA mode.
1775   * @note   When the UART parity is enabled (PCE = 1), the received data contain
1776   *         the parity bit (MSB position).
1777   * @param huart UART handle.
1778   * @param pData Pointer to data buffer.
1779   * @param Size  Amount of data to be received.
1780   * @retval HAL status
1781   */
1782 HAL_StatusTypeDef HAL_UART_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
1783 
1784 
1785 /**
1786   * @brief Start UART DMA transfer
1787   * @param huart UART handle.
1788   * @param buf Buffer to receive/send  from/to UART.
1789   * @param size Size of buf.
1790   * @param direction DMA_PERIPH_TO_MEMORY for uart rX, DMA_MEMORY_TO_PERIPH for uart tx.
1791   * @retval HAL status
1792   */
1793 HAL_StatusTypeDef HAL_UART_DmaTransmit(UART_HandleTypeDef *huart, uint8_t *buf, uint32_t size, int direction);
1794 HAL_StatusTypeDef HAL_UART_DMAPause(UART_HandleTypeDef *huart);
1795 HAL_StatusTypeDef HAL_UART_DMAResume(UART_HandleTypeDef *huart);
1796 HAL_StatusTypeDef HAL_UART_DMAStop(UART_HandleTypeDef *huart);
1797 /* Transfer Abort functions */
1798 HAL_StatusTypeDef HAL_UART_Abort(UART_HandleTypeDef *huart);
1799 HAL_StatusTypeDef HAL_UART_AbortTransmit(UART_HandleTypeDef *huart);
1800 HAL_StatusTypeDef HAL_UART_AbortReceive(UART_HandleTypeDef *huart);
1801 HAL_StatusTypeDef HAL_UART_Abort_IT(UART_HandleTypeDef *huart);
1802 HAL_StatusTypeDef HAL_UART_AbortTransmit_IT(UART_HandleTypeDef *huart);
1803 HAL_StatusTypeDef HAL_UART_AbortReceive_IT(UART_HandleTypeDef *huart);
1804 
1805 
1806 /**
1807   * @brief Handle UART interrupt request.
1808   * @param huart UART handle.
1809   * @retval None
1810   */
1811 void HAL_UART_IRQHandler(UART_HandleTypeDef *huart);
1812 void HAL_UART_TxHalfCpltCallback(UART_HandleTypeDef *huart);
1813 void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart);
1814 void HAL_UART_RxHalfCpltCallback(UART_HandleTypeDef *huart);
1815 void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart);
1816 void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart);
1817 void HAL_UART_AbortCpltCallback(UART_HandleTypeDef *huart);
1818 void HAL_UART_AbortTransmitCpltCallback(UART_HandleTypeDef *huart);
1819 void HAL_UART_AbortReceiveCpltCallback(UART_HandleTypeDef *huart);
1820 void HAL_UART_WakeupCallback(UART_HandleTypeDef *huart);
1821 
1822 
1823 /**
1824   * @}
1825   */
1826 
1827 /** @addtogroup UART_Exported_Functions_Group3 Peripheral Control functions
1828   * @{
1829   */
1830 
1831 /* Peripheral Control functions  ************************************************/
1832 HAL_StatusTypeDef HAL_LIN_SendBreak(UART_HandleTypeDef *huart);
1833 HAL_StatusTypeDef HAL_HalfDuplex_EnableTransmitter(UART_HandleTypeDef *huart);
1834 HAL_StatusTypeDef HAL_HalfDuplex_EnableReceiver(UART_HandleTypeDef *huart);
1835 /**
1836   * @}
1837   */
1838 
1839 /** @addtogroup UART_Exported_Functions_Group4 Peripheral State and Error functions
1840   * @{
1841   */
1842 
1843 /* Peripheral State and Errors functions  **************************************************/
1844 HAL_UART_StateTypeDef HAL_UART_GetState(UART_HandleTypeDef *huart);
1845 uint32_t              HAL_UART_GetError(UART_HandleTypeDef *huart);
1846 
1847 /**
1848   * @}
1849   */
1850 
1851 /**
1852   * @}
1853   */
1854 
1855 /* Private functions -----------------------------------------------------------*/
1856 /** @addtogroup UART_Private_Functions UART Private Functions
1857   * @{
1858   */
1859 /**
1860   * @brief Configure the UART peripheral.
1861   * @param huart UART handle.
1862   * @retval HAL status
1863   */
1864 HAL_StatusTypeDef UART_SetConfig(UART_HandleTypeDef *huart);
1865 HAL_StatusTypeDef UART_CheckIdleState(UART_HandleTypeDef *huart);
1866 HAL_StatusTypeDef UART_WaitOnFlagUntilTimeout(UART_HandleTypeDef *huart, uint32_t Flag, FlagStatus Status, uint32_t Tickstart, uint32_t Timeout);
1867 void UART_AdvFeatureConfig(UART_HandleTypeDef *huart);
1868 
1869 /**
1870   * @}
1871   */
1872 
1873 /**
1874   * @}
1875   */
1876 
1877 /**
1878   * @}
1879   */
1880 
1881 #ifdef __cplusplus
1882 }
1883 #endif
1884 
1885 #endif /* __BF0_HAL_UART_H */