xref: /btstack/port/stm32-f4discovery-usb/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_sai.h (revision a8f7f3fcbcd51f8d2e92aca076b6a9f812db358c)
1 /**
2   ******************************************************************************
3   * @file    stm32f4xx_hal_sai.h
4   * @author  MCD Application Team
5   * @brief   Header file of SAI HAL module.
6   ******************************************************************************
7   * @attention
8   *
9   * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics.
10   * All rights reserved.</center></h2>
11   *
12   * This software component is licensed by ST under BSD 3-Clause license,
13   * the "License"; You may not use this file except in compliance with the
14   * License. You may obtain a copy of the License at:
15   *                        opensource.org/licenses/BSD-3-Clause
16   *
17   ******************************************************************************
18   */
19 
20 /* Define to prevent recursive inclusion -------------------------------------*/
21 #ifndef __STM32F4xx_HAL_SAI_H
22 #define __STM32F4xx_HAL_SAI_H
23 
24 #ifdef __cplusplus
25  extern "C" {
26 #endif
27 
28 /* Includes ------------------------------------------------------------------*/
29 #include "stm32f4xx_hal_def.h"
30 
31 /** @addtogroup STM32F4xx_HAL_Driver
32   * @{
33   */
34 #if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx) || \
35     defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx) || defined(STM32F413xx) || \
36     defined(STM32F423xx)
37 
38 /** @addtogroup SAI
39   * @{
40   */
41 
42 /* Exported types ------------------------------------------------------------*/
43 /** @defgroup SAI_Exported_Types SAI Exported Types
44   * @{
45   */
46 
47 /**
48   * @brief  HAL State structures definition
49   */
50 typedef enum
51 {
52   HAL_SAI_STATE_RESET      = 0x00U,  /*!< SAI not yet initialized or disabled                */
53   HAL_SAI_STATE_READY      = 0x01U,  /*!< SAI initialized and ready for use                  */
54   HAL_SAI_STATE_BUSY       = 0x02U,  /*!< SAI internal process is ongoing                    */
55   HAL_SAI_STATE_BUSY_TX    = 0x12U,  /*!< Data transmission process is ongoing               */
56   HAL_SAI_STATE_BUSY_RX    = 0x22U,  /*!< Data reception process is ongoing                  */
57   HAL_SAI_STATE_TIMEOUT    = 0x03U,  /*!< SAI timeout state                                  */
58   HAL_SAI_STATE_ERROR      = 0x04U   /*!< SAI error state                                    */
59 }HAL_SAI_StateTypeDef;
60 
61 /**
62   * @brief  SAI Callback prototype
63   */
64 typedef void (*SAIcallback)(void);
65 
66 /** @defgroup SAI_Init_Structure_definition SAI Init Structure definition
67   * @brief  SAI Init Structure definition
68   * @{
69   */
70 typedef struct
71 {
72   uint32_t AudioMode;           /*!< Specifies the SAI Block audio Mode.
73                                      This parameter can be a value of @ref SAI_Block_Mode                      */
74 
75   uint32_t Synchro;             /*!< Specifies SAI Block synchronization
76                                      This parameter can be a value of @ref SAI_Block_Synchronization           */
77 
78   uint32_t SynchroExt;          /*!< Specifies SAI external output synchronization, this setup is common
79                                      for BlockA and BlockB
80                                      This parameter can be a value of @ref SAI_Block_SyncExt
81                                      @note: If both audio blocks of same SAI are used, this parameter has
82                                             to be set to the same value for each audio block                   */
83 
84   uint32_t OutputDrive;         /*!< Specifies when SAI Block outputs are driven.
85                                      This parameter can be a value of @ref SAI_Block_Output_Drive
86                                      @note this value has to be set before enabling the audio block
87                                      but after the audio block configuration.                                  */
88 
89   uint32_t NoDivider;           /*!< Specifies whether master clock will be divided or not.
90                                      This parameter can be a value of @ref SAI_Block_NoDivider
91                                      @note  If bit NODIV in the SAI_xCR1 register is cleared, the frame length
92                                             should be aligned to a number equal to a power of 2, from 8 to 256.
93                                             If bit NODIV in the SAI_xCR1 register is set, the frame length can
94                                             take any of the values without constraint since the input clock of
95                                             the audio block should be equal to the bit clock.
96                                              There is no MCLK_x clock which can be output.                     */
97 
98   uint32_t FIFOThreshold;       /*!< Specifies SAI Block FIFO threshold.
99                                      This parameter can be a value of @ref SAI_Block_Fifo_Threshold            */
100 
101   uint32_t ClockSource;         /*!< Specifies the SAI Block x Clock source.
102                                      This parameter is not used for STM32F446xx devices.                       */
103 
104   uint32_t AudioFrequency;      /*!< Specifies the audio frequency sampling.
105                                      This parameter can be a value of @ref SAI_Audio_Frequency                 */
106 
107   uint32_t Mckdiv;              /*!< Specifies the master clock divider.
108                                      This parameter must be a number between Min_Data = 0 and Max_Data = 15.
109                                      @note This parameter is used only if AudioFrequency is set to
110                                            SAI_AUDIO_FREQUENCY_MCKDIV otherwise it is internally computed. */
111 
112   uint32_t MonoStereoMode;      /*!< Specifies if the mono or stereo mode is selected.
113                                      This parameter can be a value of @ref SAI_Mono_Stereo_Mode                */
114 
115   uint32_t CompandingMode;      /*!< Specifies the companding mode type.
116                                      This parameter can be a value of @ref SAI_Block_Companding_Mode           */
117 
118   uint32_t TriState;            /*!< Specifies the companding mode type.
119                                      This parameter can be a value of @ref SAI_TRIState_Management             */
120 
121   /* This part of the structure is automatically filled if your are using the high level intialisation
122      function HAL_SAI_InitProtocol                                                                             */
123 
124   uint32_t Protocol;        /*!< Specifies the SAI Block protocol.
125                                  This parameter can be a value of @ref SAI_Block_Protocol                      */
126 
127   uint32_t DataSize;        /*!< Specifies the SAI Block data size.
128                                  This parameter can be a value of @ref SAI_Block_Data_Size                     */
129 
130   uint32_t FirstBit;        /*!< Specifies whether data transfers start from MSB or LSB bit.
131                                  This parameter can be a value of @ref SAI_Block_MSB_LSB_transmission          */
132 
133   uint32_t ClockStrobing;   /*!< Specifies the SAI Block clock strobing edge sensitivity.
134                                  This parameter can be a value of @ref SAI_Block_Clock_Strobing                */
135 }SAI_InitTypeDef;
136 /**
137   * @}
138   */
139 
140 /** @defgroup SAI_Frame_Structure_definition SAI Frame Structure definition
141   * @brief  SAI Frame Init structure definition
142   * @{
143   */
144 typedef struct
145 {
146   uint32_t FrameLength;         /*!< Specifies the Frame length, the number of SCK clocks for each audio frame.
147                                      This parameter must be a number between Min_Data = 8 and Max_Data = 256.
148                                      @note  If master clock MCLK_x pin is declared as an output, the frame length
149                                             should be aligned to a number equal to power of 2 in order to keep
150                                             in an audio frame, an integer number of MCLK pulses by bit Clock. */
151 
152   uint32_t ActiveFrameLength;  /*!< Specifies the Frame synchronization active level length.
153                                     This Parameter specifies the length in number of bit clock (SCK + 1)
154                                     of the active level of FS signal in audio frame.
155                                     This parameter must be a number between Min_Data = 1 and Max_Data = 128   */
156 
157   uint32_t FSDefinition;       /*!< Specifies the Frame synchronization definition.
158                                     This parameter can be a value of @ref SAI_Block_FS_Definition             */
159 
160   uint32_t FSPolarity;         /*!< Specifies the Frame synchronization Polarity.
161                                     This parameter can be a value of @ref SAI_Block_FS_Polarity               */
162 
163   uint32_t FSOffset;           /*!< Specifies the Frame synchronization Offset.
164                                     This parameter can be a value of @ref SAI_Block_FS_Offset                 */
165 }SAI_FrameInitTypeDef;
166 /**
167   * @}
168   */
169 
170 /** @defgroup SAI_Slot_Structure_definition SAI Slot Structure definition
171   * @brief   SAI Block Slot Init Structure definition
172   * @{
173   */
174 typedef struct
175 {
176   uint32_t FirstBitOffset;  /*!< Specifies the position of first data transfer bit in the slot.
177                                  This parameter must be a number between Min_Data = 0 and Max_Data = 24 */
178 
179   uint32_t SlotSize;        /*!< Specifies the Slot Size.
180                                  This parameter can be a value of @ref SAI_Block_Slot_Size              */
181 
182   uint32_t SlotNumber;      /*!< Specifies the number of slot in the audio frame.
183                                  This parameter must be a number between Min_Data = 1 and Max_Data = 16 */
184 
185   uint32_t SlotActive;      /*!< Specifies the slots in audio frame that will be activated.
186                                  This parameter can be a value of @ref SAI_Block_Slot_Active            */
187 }SAI_SlotInitTypeDef;
188 /**
189   * @}
190   */
191 
192 /** @defgroup SAI_Handle_Structure_definition SAI Handle Structure definition
193   * @brief  SAI handle Structure definition
194   * @{
195   */
196 typedef struct __SAI_HandleTypeDef
197 {
198   SAI_Block_TypeDef         *Instance;  /*!< SAI Blockx registers base address        */
199 
200   SAI_InitTypeDef           Init;       /*!< SAI communication parameters             */
201 
202   SAI_FrameInitTypeDef      FrameInit;  /*!< SAI Frame configuration parameters       */
203 
204   SAI_SlotInitTypeDef       SlotInit;   /*!< SAI Slot configuration parameters        */
205 
206   uint8_t                  *pBuffPtr;  /*!< Pointer to SAI transfer Buffer            */
207 
208   uint16_t                  XferSize;  /*!< SAI transfer size                         */
209 
210   uint16_t                  XferCount; /*!< SAI transfer counter                      */
211 
212   DMA_HandleTypeDef         *hdmatx;     /*!< SAI Tx DMA handle parameters            */
213 
214   DMA_HandleTypeDef         *hdmarx;     /*!< SAI Rx DMA handle parameters            */
215 
216   SAIcallback               mutecallback;/*!< SAI mute callback                       */
217 
218   void (*InterruptServiceRoutine)(struct __SAI_HandleTypeDef *hsai); /* function pointer for IRQ handler   */
219 
220   HAL_LockTypeDef           Lock;        /*!< SAI locking object                      */
221 
222   __IO HAL_SAI_StateTypeDef State;       /*!< SAI communication state                 */
223 
224   __IO uint32_t             ErrorCode;    /*!< SAI Error code */
225 
226 #if (USE_HAL_SAI_REGISTER_CALLBACKS == 1)
227   void (*RxCpltCallback)(struct __SAI_HandleTypeDef *hsai);      /*!< SAI receive complete callback */
228   void (*RxHalfCpltCallback)(struct __SAI_HandleTypeDef *hsai);  /*!< SAI receive half complete callback */
229   void (*TxCpltCallback)(struct __SAI_HandleTypeDef *hsai);      /*!< SAI transmit complete callback */
230   void (*TxHalfCpltCallback)(struct __SAI_HandleTypeDef *hsai);  /*!< SAI transmit half complete callback */
231   void (*ErrorCallback)(struct __SAI_HandleTypeDef *hsai);       /*!< SAI error callback */
232   void (*MspInitCallback)(struct __SAI_HandleTypeDef *hsai);     /*!< SAI MSP init callback */
233   void (*MspDeInitCallback)(struct __SAI_HandleTypeDef *hsai);   /*!< SAI MSP de-init callback */
234 #endif /* USE_HAL_SAI_REGISTER_CALLBACKS */
235 } SAI_HandleTypeDef;
236 /**
237   * @}
238   */
239 
240 #if (USE_HAL_SAI_REGISTER_CALLBACKS == 1)
241 /**
242   * @brief  SAI callback ID enumeration definition
243   */
244 typedef enum
245 {
246   HAL_SAI_RX_COMPLETE_CB_ID       = 0x00U, /*!< SAI receive complete callback ID */
247   HAL_SAI_RX_HALFCOMPLETE_CB_ID   = 0x01U, /*!< SAI receive half complete callback ID */
248   HAL_SAI_TX_COMPLETE_CB_ID       = 0x02U, /*!< SAI transmit complete callback ID */
249   HAL_SAI_TX_HALFCOMPLETE_CB_ID   = 0x03U, /*!< SAI transmit half complete callback ID */
250   HAL_SAI_ERROR_CB_ID             = 0x04U, /*!< SAI error callback ID */
251   HAL_SAI_MSPINIT_CB_ID           = 0x05U, /*!< SAI MSP init callback ID */
252   HAL_SAI_MSPDEINIT_CB_ID         = 0x06U  /*!< SAI MSP de-init callback ID */
253 } HAL_SAI_CallbackIDTypeDef;
254 
255 /**
256   * @brief  SAI callback pointer definition
257   */
258 typedef void (*pSAI_CallbackTypeDef)(SAI_HandleTypeDef *hsai);
259 #endif /* USE_HAL_SAI_REGISTER_CALLBACKS */
260 
261 /**
262   * @}
263   */
264 
265 /* Exported constants --------------------------------------------------------*/
266 /** @defgroup SAI_Exported_Constants SAI Exported Constants
267   * @{
268   */
269 
270 /** @defgroup SAI_Error_Code SAI Error Code
271   * @{
272   */
273 #define HAL_SAI_ERROR_NONE    0x00000000U  /*!< No error                                    */
274 #define HAL_SAI_ERROR_OVR     0x00000001U  /*!< Overrun Error                               */
275 #define HAL_SAI_ERROR_UDR     0x00000002U  /*!< Underrun error                              */
276 #define HAL_SAI_ERROR_AFSDET  0x00000004U  /*!< Anticipated Frame synchronisation detection */
277 #define HAL_SAI_ERROR_LFSDET  0x00000008U  /*!< Late Frame synchronisation detection        */
278 #define HAL_SAI_ERROR_CNREADY 0x00000010U  /*!< codec not ready                             */
279 #define HAL_SAI_ERROR_WCKCFG  0x00000020U  /*!< Wrong clock configuration                   */
280 #define HAL_SAI_ERROR_TIMEOUT 0x00000040U  /*!< Timeout error                               */
281 #define HAL_SAI_ERROR_DMA     0x00000080U  /*!< DMA error                                   */
282 #if (USE_HAL_SAI_REGISTER_CALLBACKS == 1)
283 #define HAL_SAI_ERROR_INVALID_CALLBACK   0x00000100U  /*!< Invalid callback error */
284 #endif /* USE_HAL_SAI_REGISTER_CALLBACKS */
285 /**
286   * @}
287   */
288 
289 /** @defgroup SAI_Block_SyncExt SAI External synchronisation
290   * @{
291   */
292 #define SAI_SYNCEXT_DISABLE          0U
293 #define SAI_SYNCEXT_OUTBLOCKA_ENABLE 1U
294 #define SAI_SYNCEXT_OUTBLOCKB_ENABLE 2U
295 /**
296   * @}
297   */
298 
299 /** @defgroup SAI_Protocol SAI Supported protocol
300   * @{
301   */
302 #define SAI_I2S_STANDARD      0U
303 #define SAI_I2S_MSBJUSTIFIED  1U
304 #define SAI_I2S_LSBJUSTIFIED  2U
305 #define SAI_PCM_LONG          3U
306 #define SAI_PCM_SHORT         4U
307 /**
308   * @}
309   */
310 
311 /** @defgroup SAI_Protocol_DataSize SAI protocol data size
312   * @{
313   */
314 #define SAI_PROTOCOL_DATASIZE_16BIT         0U
315 #define SAI_PROTOCOL_DATASIZE_16BITEXTENDED 1U
316 #define SAI_PROTOCOL_DATASIZE_24BIT         2U
317 #define SAI_PROTOCOL_DATASIZE_32BIT         3U
318 /**
319   * @}
320   */
321 
322 /** @defgroup SAI_Audio_Frequency SAI Audio Frequency
323   * @{
324   */
325 #define SAI_AUDIO_FREQUENCY_192K          192000U
326 #define SAI_AUDIO_FREQUENCY_96K           96000U
327 #define SAI_AUDIO_FREQUENCY_48K           48000U
328 #define SAI_AUDIO_FREQUENCY_44K           44100U
329 #define SAI_AUDIO_FREQUENCY_32K           32000U
330 #define SAI_AUDIO_FREQUENCY_22K           22050U
331 #define SAI_AUDIO_FREQUENCY_16K           16000U
332 #define SAI_AUDIO_FREQUENCY_11K           11025U
333 #define SAI_AUDIO_FREQUENCY_8K            8000U
334 #define SAI_AUDIO_FREQUENCY_MCKDIV        0U
335 /**
336   * @}
337   */
338 
339 /** @defgroup SAI_Block_Mode SAI Block Mode
340   * @{
341   */
342 #define SAI_MODEMASTER_TX         0x00000000U
343 #define SAI_MODEMASTER_RX         ((uint32_t)SAI_xCR1_MODE_0)
344 #define SAI_MODESLAVE_TX          ((uint32_t)SAI_xCR1_MODE_1)
345 #define SAI_MODESLAVE_RX          ((uint32_t)(SAI_xCR1_MODE_1 | SAI_xCR1_MODE_0))
346 /**
347   * @}
348   */
349 
350 /** @defgroup SAI_Block_Protocol SAI Block Protocol
351   * @{
352   */
353 #define SAI_FREE_PROTOCOL                 0x00000000U
354 #define SAI_SPDIF_PROTOCOL                ((uint32_t)SAI_xCR1_PRTCFG_0)
355 #define SAI_AC97_PROTOCOL                 ((uint32_t)SAI_xCR1_PRTCFG_1)
356 /**
357   * @}
358   */
359 
360 /** @defgroup SAI_Block_Data_Size SAI Block Data Size
361   * @{
362   */
363 #define SAI_DATASIZE_8                   ((uint32_t)SAI_xCR1_DS_1)
364 #define SAI_DATASIZE_10                  ((uint32_t)(SAI_xCR1_DS_1 | SAI_xCR1_DS_0))
365 #define SAI_DATASIZE_16                  ((uint32_t)SAI_xCR1_DS_2)
366 #define SAI_DATASIZE_20                  ((uint32_t)(SAI_xCR1_DS_2 | SAI_xCR1_DS_0))
367 #define SAI_DATASIZE_24                  ((uint32_t)(SAI_xCR1_DS_2 | SAI_xCR1_DS_1))
368 #define SAI_DATASIZE_32                  ((uint32_t)(SAI_xCR1_DS_2 | SAI_xCR1_DS_1 | SAI_xCR1_DS_0))
369 /**
370   * @}
371   */
372 
373 /** @defgroup SAI_Block_MSB_LSB_transmission SAI Block MSB LSB transmission
374   * @{
375   */
376 #define SAI_FIRSTBIT_MSB                  0x00000000U
377 #define SAI_FIRSTBIT_LSB                  ((uint32_t)SAI_xCR1_LSBFIRST)
378 /**
379   * @}
380   */
381 
382 /** @defgroup SAI_Block_Clock_Strobing SAI Block Clock Strobing
383   * @{
384   */
385 #define SAI_CLOCKSTROBING_FALLINGEDGE     0U
386 #define SAI_CLOCKSTROBING_RISINGEDGE      1U
387 /**
388   * @}
389   */
390 
391 /** @defgroup SAI_Block_Synchronization SAI Block Synchronization
392   * @{
393   */
394 #define SAI_ASYNCHRONOUS                  0U /*!< Asynchronous                             */
395 #define SAI_SYNCHRONOUS                   1U /*!< Synchronous with other block of same SAI */
396 #define SAI_SYNCHRONOUS_EXT_SAI1          2U /*!< Synchronous with other SAI, SAI1         */
397 #define SAI_SYNCHRONOUS_EXT_SAI2          3U /*!< Synchronous with other SAI, SAI2         */
398 /**
399   * @}
400   */
401 
402 /** @defgroup SAI_Block_Output_Drive SAI Block Output Drive
403   * @{
404   */
405 #define SAI_OUTPUTDRIVE_DISABLE          0x00000000U
406 #define SAI_OUTPUTDRIVE_ENABLE           ((uint32_t)SAI_xCR1_OUTDRIV)
407 /**
408   * @}
409   */
410 
411 /** @defgroup SAI_Block_NoDivider SAI Block NoDivider
412   * @{
413   */
414 #define SAI_MASTERDIVIDER_ENABLE         0x00000000U
415 #define SAI_MASTERDIVIDER_DISABLE        ((uint32_t)SAI_xCR1_NODIV)
416 /**
417   * @}
418   */
419 
420 /** @defgroup SAI_Block_FS_Definition SAI Block FS Definition
421   * @{
422   */
423 #define SAI_FS_STARTFRAME                 0x00000000U
424 #define SAI_FS_CHANNEL_IDENTIFICATION     ((uint32_t)SAI_xFRCR_FSDEF)
425 /**
426   * @}
427   */
428 
429 /** @defgroup SAI_Block_FS_Polarity SAI Block FS Polarity
430   * @{
431   */
432 #define SAI_FS_ACTIVE_LOW                  0x00000000U
433 #define SAI_FS_ACTIVE_HIGH                 ((uint32_t)SAI_xFRCR_FSPOL)
434 /**
435   * @}
436   */
437 
438 /** @defgroup SAI_Block_FS_Offset SAI Block FS Offset
439   * @{
440   */
441 #define SAI_FS_FIRSTBIT                   0x00000000U
442 #define SAI_FS_BEFOREFIRSTBIT             ((uint32_t)SAI_xFRCR_FSOFF)
443 /**
444   * @}
445   */
446 
447 /** @defgroup SAI_Block_Slot_Size SAI Block Slot Size
448   * @{
449   */
450 #define SAI_SLOTSIZE_DATASIZE             0x00000000U
451 #define SAI_SLOTSIZE_16B                  ((uint32_t)SAI_xSLOTR_SLOTSZ_0)
452 #define SAI_SLOTSIZE_32B                  ((uint32_t)SAI_xSLOTR_SLOTSZ_1)
453 /**
454   * @}
455   */
456 
457 /** @defgroup SAI_Block_Slot_Active SAI Block Slot Active
458   * @{
459   */
460 #define SAI_SLOT_NOTACTIVE           0x00000000U
461 #define SAI_SLOTACTIVE_0             0x00000001U
462 #define SAI_SLOTACTIVE_1             0x00000002U
463 #define SAI_SLOTACTIVE_2             0x00000004U
464 #define SAI_SLOTACTIVE_3             0x00000008U
465 #define SAI_SLOTACTIVE_4             0x00000010U
466 #define SAI_SLOTACTIVE_5             0x00000020U
467 #define SAI_SLOTACTIVE_6             0x00000040U
468 #define SAI_SLOTACTIVE_7             0x00000080U
469 #define SAI_SLOTACTIVE_8             0x00000100U
470 #define SAI_SLOTACTIVE_9             0x00000200U
471 #define SAI_SLOTACTIVE_10            0x00000400U
472 #define SAI_SLOTACTIVE_11            0x00000800U
473 #define SAI_SLOTACTIVE_12            0x00001000U
474 #define SAI_SLOTACTIVE_13            0x00002000U
475 #define SAI_SLOTACTIVE_14            0x00004000U
476 #define SAI_SLOTACTIVE_15            0x00008000U
477 #define SAI_SLOTACTIVE_ALL           0x0000FFFFU
478 /**
479   * @}
480   */
481 
482 /** @defgroup SAI_Mono_Stereo_Mode SAI Mono Stereo Mode
483   * @{
484   */
485 #define SAI_STEREOMODE                    0x00000000U
486 #define SAI_MONOMODE                      ((uint32_t)SAI_xCR1_MONO)
487 /**
488   * @}
489   */
490 
491 /** @defgroup SAI_TRIState_Management SAI TRIState Management
492   * @{
493   */
494 #define SAI_OUTPUT_NOTRELEASED              0x00000000U
495 #define SAI_OUTPUT_RELEASED                 ((uint32_t)SAI_xCR2_TRIS)
496 /**
497   * @}
498   */
499 
500 /** @defgroup SAI_Block_Fifo_Threshold SAI Block Fifo Threshold
501   * @{
502   */
503 #define SAI_FIFOTHRESHOLD_EMPTY  0x00000000U
504 #define SAI_FIFOTHRESHOLD_1QF    ((uint32_t)(SAI_xCR2_FTH_0))
505 #define SAI_FIFOTHRESHOLD_HF     ((uint32_t)(SAI_xCR2_FTH_1))
506 #define SAI_FIFOTHRESHOLD_3QF    ((uint32_t)(SAI_xCR2_FTH_1 | SAI_xCR2_FTH_0))
507 #define SAI_FIFOTHRESHOLD_FULL   ((uint32_t)(SAI_xCR2_FTH_2))
508 /**
509   * @}
510   */
511 
512 /** @defgroup SAI_Block_Companding_Mode SAI Block Companding Mode
513   * @{
514   */
515 #define SAI_NOCOMPANDING                 0x00000000U
516 #define SAI_ULAW_1CPL_COMPANDING         ((uint32_t)(SAI_xCR2_COMP_1))
517 #define SAI_ALAW_1CPL_COMPANDING         ((uint32_t)(SAI_xCR2_COMP_1 | SAI_xCR2_COMP_0))
518 #define SAI_ULAW_2CPL_COMPANDING         ((uint32_t)(SAI_xCR2_COMP_1 | SAI_xCR2_CPL))
519 #define SAI_ALAW_2CPL_COMPANDING         ((uint32_t)(SAI_xCR2_COMP_1 | SAI_xCR2_COMP_0 | SAI_xCR2_CPL))
520 /**
521   * @}
522   */
523 
524 /** @defgroup SAI_Block_Mute_Value SAI Block Mute Value
525   * @{
526   */
527 #define SAI_ZERO_VALUE                      0x00000000U
528 #define SAI_LAST_SENT_VALUE                 ((uint32_t)SAI_xCR2_MUTEVAL)
529 /**
530   * @}
531   */
532 
533 /** @defgroup SAI_Block_Interrupts_Definition SAI Block Interrupts Definition
534   * @{
535   */
536 #define SAI_IT_OVRUDR                     ((uint32_t)SAI_xIMR_OVRUDRIE)
537 #define SAI_IT_MUTEDET                    ((uint32_t)SAI_xIMR_MUTEDETIE)
538 #define SAI_IT_WCKCFG                     ((uint32_t)SAI_xIMR_WCKCFGIE)
539 #define SAI_IT_FREQ                       ((uint32_t)SAI_xIMR_FREQIE)
540 #define SAI_IT_CNRDY                      ((uint32_t)SAI_xIMR_CNRDYIE)
541 #define SAI_IT_AFSDET                     ((uint32_t)SAI_xIMR_AFSDETIE)
542 #define SAI_IT_LFSDET                     ((uint32_t)SAI_xIMR_LFSDETIE)
543 /**
544   * @}
545   */
546 
547 /** @defgroup SAI_Block_Flags_Definition  SAI Block Flags Definition
548   * @{
549   */
550 #define SAI_FLAG_OVRUDR                   ((uint32_t)SAI_xSR_OVRUDR)
551 #define SAI_FLAG_MUTEDET                  ((uint32_t)SAI_xSR_MUTEDET)
552 #define SAI_FLAG_WCKCFG                   ((uint32_t)SAI_xSR_WCKCFG)
553 #define SAI_FLAG_FREQ                     ((uint32_t)SAI_xSR_FREQ)
554 #define SAI_FLAG_CNRDY                    ((uint32_t)SAI_xSR_CNRDY)
555 #define SAI_FLAG_AFSDET                   ((uint32_t)SAI_xSR_AFSDET)
556 #define SAI_FLAG_LFSDET                   ((uint32_t)SAI_xSR_LFSDET)
557 /**
558   * @}
559   */
560 
561 /** @defgroup SAI_Block_Fifo_Status_Level   SAI Block Fifo Status Level
562   * @{
563   */
564 #define SAI_FIFOSTATUS_EMPTY              0x00000000U
565 #define SAI_FIFOSTATUS_LESS1QUARTERFULL   0x00010000U
566 #define SAI_FIFOSTATUS_1QUARTERFULL       0x00020000U
567 #define SAI_FIFOSTATUS_HALFFULL           0x00030000U
568 #define SAI_FIFOSTATUS_3QUARTERFULL       0x00040000U
569 #define SAI_FIFOSTATUS_FULL               0x00050000U
570 /**
571   * @}
572   */
573 
574 /**
575   * @}
576   */
577 
578 /* Exported macro ------------------------------------------------------------*/
579 /** @defgroup SAI_Exported_Macros SAI Exported Macros
580   * @brief macros to handle interrupts and specific configurations
581   * @{
582   */
583 
584 /** @brief Reset SAI handle state
585   * @param  __HANDLE__ specifies the SAI Handle.
586   * @retval None
587   */
588 #if (USE_HAL_SAI_REGISTER_CALLBACKS == 1)
589 #define __HAL_SAI_RESET_HANDLE_STATE(__HANDLE__) do{                                            \
590                                                      (__HANDLE__)->State = HAL_SAI_STATE_RESET; \
591                                                      (__HANDLE__)->MspInitCallback = NULL;      \
592                                                      (__HANDLE__)->MspDeInitCallback = NULL;    \
593                                                    } while(0U)
594 #else
595 #define __HAL_SAI_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_SAI_STATE_RESET)
596 #endif /* USE_HAL_SAI_REGISTER_CALLBACKS */
597 
598 /** @brief  Enable or disable the specified SAI interrupts.
599   * @param  __HANDLE__ specifies the SAI Handle.
600   * @param  __INTERRUPT__ specifies the interrupt source to enable or disable.
601   *         This parameter can be one of the following values:
602   *            @arg SAI_IT_OVRUDR: Overrun underrun interrupt enable
603   *            @arg SAI_IT_MUTEDET: Mute detection interrupt enable
604   *            @arg SAI_IT_WCKCFG: Wrong Clock Configuration interrupt enable
605   *            @arg SAI_IT_FREQ: FIFO request interrupt enable
606   *            @arg SAI_IT_CNRDY: Codec not ready interrupt enable
607   *            @arg SAI_IT_AFSDET: Anticipated frame synchronization detection interrupt enable
608   *            @arg SAI_IT_LFSDET: Late frame synchronization detection interrupt enable
609   * @retval None
610   */
611 #define __HAL_SAI_ENABLE_IT(__HANDLE__, __INTERRUPT__)   ((__HANDLE__)->Instance->IMR |= (__INTERRUPT__))
612 #define __HAL_SAI_DISABLE_IT(__HANDLE__, __INTERRUPT__)  ((__HANDLE__)->Instance->IMR &= (~(__INTERRUPT__)))
613 
614 /** @brief  Check if the specified SAI interrupt source is enabled or disabled.
615   * @param  __HANDLE__ specifies the SAI Handle.
616   *         This parameter can be SAI where x: 1, 2, or 3 to select the SAI peripheral.
617   * @param  __INTERRUPT__ specifies the SAI interrupt source to check.
618   *         This parameter can be one of the following values:
619   *            @arg SAI_IT_OVRUDR: Overrun underrun interrupt enable
620   *            @arg SAI_IT_MUTEDET: Mute detection interrupt enable
621   *            @arg SAI_IT_WCKCFG: Wrong Clock Configuration interrupt enable
622   *            @arg SAI_IT_FREQ: FIFO request interrupt enable
623   *            @arg SAI_IT_CNRDY: Codec not ready interrupt enable
624   *            @arg SAI_IT_AFSDET: Anticipated frame synchronization detection interrupt enable
625   *            @arg SAI_IT_LFSDET: Late frame synchronization detection interrupt enable
626   * @retval The new state of __INTERRUPT__ (TRUE or FALSE).
627   */
628 #define __HAL_SAI_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->IMR & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)
629 
630 /** @brief  Check whether the specified SAI flag is set or not.
631   * @param  __HANDLE__ specifies the SAI Handle.
632   * @param  __FLAG__ specifies the flag to check.
633   *         This parameter can be one of the following values:
634   *            @arg SAI_FLAG_OVRUDR: Overrun underrun flag.
635   *            @arg SAI_FLAG_MUTEDET: Mute detection flag.
636   *            @arg SAI_FLAG_WCKCFG: Wrong Clock Configuration flag.
637   *            @arg SAI_FLAG_FREQ: FIFO request flag.
638   *            @arg SAI_FLAG_CNRDY: Codec not ready flag.
639   *            @arg SAI_FLAG_AFSDET: Anticipated frame synchronization detection flag.
640   *            @arg SAI_FLAG_LFSDET: Late frame synchronization detection flag.
641   * @retval The new state of __FLAG__ (TRUE or FALSE).
642   */
643 #define __HAL_SAI_GET_FLAG(__HANDLE__, __FLAG__) ((((__HANDLE__)->Instance->SR) & (__FLAG__)) == (__FLAG__))
644 
645 /** @brief  Clear the specified SAI pending flag.
646   * @param  __HANDLE__ specifies the SAI Handle.
647   * @param  __FLAG__ specifies the flag to check.
648   *          This parameter can be any combination of the following values:
649   *            @arg SAI_FLAG_OVRUDR: Clear Overrun underrun
650   *            @arg SAI_FLAG_MUTEDET: Clear Mute detection
651   *            @arg SAI_FLAG_WCKCFG: Clear Wrong Clock Configuration
652   *            @arg SAI_FLAG_FREQ: Clear FIFO request
653   *            @arg SAI_FLAG_CNRDY: Clear Codec not ready
654   *            @arg SAI_FLAG_AFSDET: Clear Anticipated frame synchronization detection
655   *            @arg SAI_FLAG_LFSDET: Clear Late frame synchronization detection
656   * @retval None
657   */
658 #define __HAL_SAI_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->CLRFR = (__FLAG__))
659 
660 /** @brief  Enable SAI
661   * @param  __HANDLE__ specifies the SAI Handle.
662   * @retval None
663   */
664 #define __HAL_SAI_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 |=  SAI_xCR1_SAIEN)
665 
666 /** @brief  Disable SAI
667   * @param  __HANDLE__ specifies the SAI Handle.
668   * @retval None
669   */
670 #define __HAL_SAI_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 &=  ~SAI_xCR1_SAIEN)
671 
672 /**
673   * @}
674   */
675 
676 /* Include HAL SAI Extension module */
677 #include "stm32f4xx_hal_sai_ex.h"
678 
679 /* Exported functions --------------------------------------------------------*/
680 /** @addtogroup SAI_Exported_Functions
681   * @{
682   */
683 
684 /* Initialization/de-initialization functions  **********************************/
685 /** @addtogroup SAI_Exported_Functions_Group1
686   * @{
687   */
688 HAL_StatusTypeDef HAL_SAI_InitProtocol(SAI_HandleTypeDef *hsai, uint32_t protocol, uint32_t datasize, uint32_t nbslot);
689 HAL_StatusTypeDef HAL_SAI_Init(SAI_HandleTypeDef *hsai);
690 HAL_StatusTypeDef HAL_SAI_DeInit(SAI_HandleTypeDef *hsai);
691 void HAL_SAI_MspInit(SAI_HandleTypeDef *hsai);
692 void HAL_SAI_MspDeInit(SAI_HandleTypeDef *hsai);
693 
694 #if (USE_HAL_SAI_REGISTER_CALLBACKS == 1)
695 /* SAI callbacks register/unregister functions ********************************/
696 HAL_StatusTypeDef HAL_SAI_RegisterCallback(SAI_HandleTypeDef        *hsai,
697                                            HAL_SAI_CallbackIDTypeDef CallbackID,
698                                            pSAI_CallbackTypeDef      pCallback);
699 HAL_StatusTypeDef HAL_SAI_UnRegisterCallback(SAI_HandleTypeDef        *hsai,
700                                              HAL_SAI_CallbackIDTypeDef CallbackID);
701 #endif /* USE_HAL_SAI_REGISTER_CALLBACKS */
702 /**
703   * @}
704   */
705 
706 /* I/O operation functions  *****************************************************/
707 /** @addtogroup SAI_Exported_Functions_Group2
708   * @{
709   */
710 /* Blocking mode: Polling */
711 HAL_StatusTypeDef HAL_SAI_Transmit(SAI_HandleTypeDef *hsai, uint8_t *pData, uint16_t Size, uint32_t Timeout);
712 HAL_StatusTypeDef HAL_SAI_Receive(SAI_HandleTypeDef *hsai, uint8_t *pData, uint16_t Size, uint32_t Timeout);
713 
714 /* Non-Blocking mode: Interrupt */
715 HAL_StatusTypeDef HAL_SAI_Transmit_IT(SAI_HandleTypeDef *hsai, uint8_t *pData, uint16_t Size);
716 HAL_StatusTypeDef HAL_SAI_Receive_IT(SAI_HandleTypeDef *hsai, uint8_t *pData, uint16_t Size);
717 
718 /* Non-Blocking mode: DMA */
719 HAL_StatusTypeDef HAL_SAI_Transmit_DMA(SAI_HandleTypeDef *hsai, uint8_t *pData, uint16_t Size);
720 HAL_StatusTypeDef HAL_SAI_Receive_DMA(SAI_HandleTypeDef *hsai, uint8_t *pData, uint16_t Size);
721 HAL_StatusTypeDef HAL_SAI_DMAPause(SAI_HandleTypeDef *hsai);
722 HAL_StatusTypeDef HAL_SAI_DMAResume(SAI_HandleTypeDef *hsai);
723 HAL_StatusTypeDef HAL_SAI_DMAStop(SAI_HandleTypeDef *hsai);
724 
725 /* Abort function */
726 HAL_StatusTypeDef HAL_SAI_Abort(SAI_HandleTypeDef *hsai);
727 
728 /* Mute management */
729 HAL_StatusTypeDef HAL_SAI_EnableTxMuteMode(SAI_HandleTypeDef *hsai, uint16_t val);
730 HAL_StatusTypeDef HAL_SAI_DisableTxMuteMode(SAI_HandleTypeDef *hsai);
731 HAL_StatusTypeDef HAL_SAI_EnableRxMuteMode(SAI_HandleTypeDef *hsai, SAIcallback callback, uint16_t counter);
732 HAL_StatusTypeDef HAL_SAI_DisableRxMuteMode(SAI_HandleTypeDef *hsai);
733 
734 /* SAI IRQHandler and Callbacks used in non blocking modes (Interrupt and DMA) */
735 void HAL_SAI_IRQHandler(SAI_HandleTypeDef *hsai);
736 void HAL_SAI_TxHalfCpltCallback(SAI_HandleTypeDef *hsai);
737 void HAL_SAI_TxCpltCallback(SAI_HandleTypeDef *hsai);
738 void HAL_SAI_RxHalfCpltCallback(SAI_HandleTypeDef *hsai);
739 void HAL_SAI_RxCpltCallback(SAI_HandleTypeDef *hsai);
740 void HAL_SAI_ErrorCallback(SAI_HandleTypeDef *hsai);
741 /**
742   * @}
743   */
744 
745 /** @addtogroup SAI_Exported_Functions_Group3
746   * @{
747   */
748 /* Peripheral State functions  ************************************************/
749 HAL_SAI_StateTypeDef HAL_SAI_GetState(SAI_HandleTypeDef *hsai);
750 uint32_t HAL_SAI_GetError(SAI_HandleTypeDef *hsai);
751 /**
752   * @}
753   */
754 
755 /**
756   * @}
757   */
758 
759 /* Private macros ------------------------------------------------------------*/
760 /** @addtogroup SAI_Private_Macros
761   * @{
762   */
763 #define IS_SAI_BLOCK_SYNCEXT(STATE)   (((STATE) == SAI_SYNCEXT_DISABLE)           ||\
764                                        ((STATE) == SAI_SYNCEXT_OUTBLOCKA_ENABLE)  ||\
765                                        ((STATE) == SAI_SYNCEXT_OUTBLOCKB_ENABLE))
766 
767 #define IS_SAI_SUPPORTED_PROTOCOL(PROTOCOL)   (((PROTOCOL) == SAI_I2S_STANDARD)     ||\
768                                                ((PROTOCOL) == SAI_I2S_MSBJUSTIFIED) ||\
769                                                ((PROTOCOL) == SAI_I2S_LSBJUSTIFIED) ||\
770                                                ((PROTOCOL) == SAI_PCM_LONG)         ||\
771                                                ((PROTOCOL) == SAI_PCM_SHORT))
772 
773 #define IS_SAI_PROTOCOL_DATASIZE(DATASIZE)   (((DATASIZE) == SAI_PROTOCOL_DATASIZE_16BIT)         ||\
774                                               ((DATASIZE) == SAI_PROTOCOL_DATASIZE_16BITEXTENDED) ||\
775                                               ((DATASIZE) == SAI_PROTOCOL_DATASIZE_24BIT)         ||\
776                                               ((DATASIZE) == SAI_PROTOCOL_DATASIZE_32BIT))
777 
778 #define IS_SAI_AUDIO_FREQUENCY(AUDIO) (((AUDIO) == SAI_AUDIO_FREQUENCY_192K) || ((AUDIO) == SAI_AUDIO_FREQUENCY_96K) || \
779                                        ((AUDIO) == SAI_AUDIO_FREQUENCY_48K)  || ((AUDIO) == SAI_AUDIO_FREQUENCY_44K) || \
780                                        ((AUDIO) == SAI_AUDIO_FREQUENCY_32K)  || ((AUDIO) == SAI_AUDIO_FREQUENCY_22K) || \
781                                        ((AUDIO) == SAI_AUDIO_FREQUENCY_16K)  || ((AUDIO) == SAI_AUDIO_FREQUENCY_11K) || \
782                                        ((AUDIO) == SAI_AUDIO_FREQUENCY_8K)   || ((AUDIO) == SAI_AUDIO_FREQUENCY_MCKDIV))
783 
784 #define IS_SAI_BLOCK_MODE(MODE)    (((MODE) == SAI_MODEMASTER_TX) || \
785                                     ((MODE) == SAI_MODEMASTER_RX) || \
786                                     ((MODE) == SAI_MODESLAVE_TX)  || \
787                                     ((MODE) == SAI_MODESLAVE_RX))
788 
789 #define IS_SAI_BLOCK_PROTOCOL(PROTOCOL) (((PROTOCOL) == SAI_FREE_PROTOCOL)  || \
790                                          ((PROTOCOL) == SAI_AC97_PROTOCOL)  || \
791                                          ((PROTOCOL) == SAI_SPDIF_PROTOCOL))
792 
793 #define IS_SAI_BLOCK_DATASIZE(DATASIZE) (((DATASIZE) == SAI_DATASIZE_8)  || \
794                                          ((DATASIZE) == SAI_DATASIZE_10) || \
795                                          ((DATASIZE) == SAI_DATASIZE_16) || \
796                                          ((DATASIZE) == SAI_DATASIZE_20) || \
797                                          ((DATASIZE) == SAI_DATASIZE_24) || \
798                                          ((DATASIZE) == SAI_DATASIZE_32))
799 
800 #define IS_SAI_BLOCK_FIRST_BIT(BIT) (((BIT) == SAI_FIRSTBIT_MSB) || \
801                                      ((BIT) == SAI_FIRSTBIT_LSB))
802 
803 #define IS_SAI_BLOCK_CLOCK_STROBING(CLOCK) (((CLOCK) == SAI_CLOCKSTROBING_FALLINGEDGE) || \
804                                             ((CLOCK) == SAI_CLOCKSTROBING_RISINGEDGE))
805 
806 #define IS_SAI_BLOCK_SYNCHRO(SYNCHRO) (((SYNCHRO) == SAI_ASYNCHRONOUS)         || \
807                                        ((SYNCHRO) == SAI_SYNCHRONOUS)          || \
808                                        ((SYNCHRO) == SAI_SYNCHRONOUS_EXT_SAI1) ||\
809                                        ((SYNCHRO) == SAI_SYNCHRONOUS_EXT_SAI2))
810 
811 #define IS_SAI_BLOCK_OUTPUT_DRIVE(DRIVE) (((DRIVE) == SAI_OUTPUTDRIVE_DISABLE) || \
812                                           ((DRIVE) == SAI_OUTPUTDRIVE_ENABLE))
813 
814 #define IS_SAI_BLOCK_NODIVIDER(NODIVIDER) (((NODIVIDER) == SAI_MASTERDIVIDER_ENABLE) || \
815                                            ((NODIVIDER) == SAI_MASTERDIVIDER_DISABLE))
816 
817 #define IS_SAI_BLOCK_MUTE_COUNTER(COUNTER) ((COUNTER) <= 63U)
818 
819 #define IS_SAI_BLOCK_MUTE_VALUE(VALUE)    (((VALUE) == SAI_ZERO_VALUE)     || \
820                                            ((VALUE) == SAI_LAST_SENT_VALUE))
821 
822 #define IS_SAI_BLOCK_COMPANDING_MODE(MODE)    (((MODE) == SAI_NOCOMPANDING)         || \
823                                                ((MODE) == SAI_ULAW_1CPL_COMPANDING) || \
824                                                ((MODE) == SAI_ALAW_1CPL_COMPANDING) || \
825                                                ((MODE) == SAI_ULAW_2CPL_COMPANDING) || \
826                                                ((MODE) == SAI_ALAW_2CPL_COMPANDING))
827 
828 #define IS_SAI_BLOCK_FIFO_THRESHOLD(THRESHOLD) (((THRESHOLD) == SAI_FIFOTHRESHOLD_EMPTY)   || \
829                                                 ((THRESHOLD) == SAI_FIFOTHRESHOLD_1QF)     || \
830                                                 ((THRESHOLD) == SAI_FIFOTHRESHOLD_HF)      || \
831                                                 ((THRESHOLD) == SAI_FIFOTHRESHOLD_3QF)     || \
832                                                 ((THRESHOLD) == SAI_FIFOTHRESHOLD_FULL))
833 
834 #define IS_SAI_BLOCK_TRISTATE_MANAGEMENT(STATE) (((STATE) == SAI_OUTPUT_NOTRELEASED) ||\
835                                                  ((STATE) == SAI_OUTPUT_RELEASED))
836 
837 #define IS_SAI_MONO_STEREO_MODE(MODE) (((MODE) == SAI_MONOMODE) ||\
838                                        ((MODE) == SAI_STEREOMODE))
839 
840 #define IS_SAI_SLOT_ACTIVE(ACTIVE)  ((ACTIVE) <= SAI_SLOTACTIVE_ALL)
841 
842 #define IS_SAI_BLOCK_SLOT_NUMBER(NUMBER) ((1U <= (NUMBER)) && ((NUMBER) <= 16U))
843 
844 #define IS_SAI_BLOCK_SLOT_SIZE(SIZE) (((SIZE) == SAI_SLOTSIZE_DATASIZE) || \
845                                       ((SIZE) == SAI_SLOTSIZE_16B)      || \
846                                       ((SIZE) == SAI_SLOTSIZE_32B))
847 
848 #define IS_SAI_BLOCK_FIRSTBIT_OFFSET(OFFSET) ((OFFSET) <= 24U)
849 
850 #define IS_SAI_BLOCK_FS_OFFSET(OFFSET) (((OFFSET) == SAI_FS_FIRSTBIT) || \
851                                         ((OFFSET) == SAI_FS_BEFOREFIRSTBIT))
852 
853 #define IS_SAI_BLOCK_FS_POLARITY(POLARITY) (((POLARITY) == SAI_FS_ACTIVE_LOW) || \
854                                             ((POLARITY) == SAI_FS_ACTIVE_HIGH))
855 
856 #define IS_SAI_BLOCK_FS_DEFINITION(DEFINITION) (((DEFINITION) == SAI_FS_STARTFRAME) || \
857                                                 ((DEFINITION) == SAI_FS_CHANNEL_IDENTIFICATION))
858 
859 #define IS_SAI_BLOCK_MASTER_DIVIDER(DIVIDER) ((DIVIDER) <= 15U)
860 
861 #define IS_SAI_BLOCK_FRAME_LENGTH(LENGTH) ((8U <= (LENGTH)) && ((LENGTH) <= 256U))
862 
863 #define IS_SAI_BLOCK_ACTIVE_FRAME(LENGTH) ((1U <= (LENGTH)) && ((LENGTH) <= 128U))
864 
865 /**
866   * @}
867   */
868 
869 /* Private functions ---------------------------------------------------------*/
870 /** @defgroup SAI_Private_Functions SAI Private Functions
871   * @{
872   */
873 
874 /**
875   * @}
876   */
877 
878 /**
879   * @}
880   */
881 
882 #endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx || STM32F446xx || STM32F469xx || STM32F479xx || STM32F413xx || STM32F423xx  */
883 
884 /**
885   * @}
886   */
887 
888 #ifdef __cplusplus
889 }
890 #endif
891 
892 #endif /* __STM32F4xx_HAL_SAI_H */
893 
894 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
895