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   * Copyright (c) 2017 STMicroelectronics.
10   * All rights reserved.
11   *
12   * This software is licensed under terms that can be found in the LICENSE file
13   * in the root directory of this software component.
14   * If no LICENSE file comes with this software, it is provided AS-IS.
15   *
16   ******************************************************************************
17   */
18 
19 /* Define to prevent recursive inclusion -------------------------------------*/
20 #ifndef __STM32F4xx_HAL_SAI_H
21 #define __STM32F4xx_HAL_SAI_H
22 
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26 
27 /* Includes ------------------------------------------------------------------*/
28 #include "stm32f4xx_hal_def.h"
29 
30 /** @addtogroup STM32F4xx_HAL_Driver
31   * @{
32   */
33 #if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx) || \
34     defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx) || defined(STM32F413xx) || \
35     defined(STM32F423xx)
36 
37 /** @addtogroup SAI
38   * @{
39   */
40 
41 /* Exported types ------------------------------------------------------------*/
42 /** @defgroup SAI_Exported_Types SAI Exported Types
43   * @{
44   */
45 
46 /**
47   * @brief  HAL State structures definition
48   */
49 typedef enum
50 {
51   HAL_SAI_STATE_RESET      = 0x00U,  /*!< SAI not yet initialized or disabled                */
52   HAL_SAI_STATE_READY      = 0x01U,  /*!< SAI initialized and ready for use                  */
53   HAL_SAI_STATE_BUSY       = 0x02U,  /*!< SAI internal process is ongoing                    */
54   HAL_SAI_STATE_BUSY_TX    = 0x12U,  /*!< Data transmission process is ongoing               */
55   HAL_SAI_STATE_BUSY_RX    = 0x22U,  /*!< Data reception process is ongoing                  */
56   HAL_SAI_STATE_TIMEOUT    = 0x03U,  /*!< SAI timeout state                                  */
57   HAL_SAI_STATE_ERROR      = 0x04U   /*!< SAI error state                                    */
58 } HAL_SAI_StateTypeDef;
59 
60 /**
61   * @brief  SAI Callback prototype
62   */
63 typedef void (*SAIcallback)(void);
64 
65 /** @defgroup SAI_Init_Structure_definition SAI Init Structure definition
66   * @brief  SAI Init Structure definition
67   * @{
68   */
69 typedef struct
70 {
71   uint32_t AudioMode;           /*!< Specifies the SAI Block audio Mode.
72                                      This parameter can be a value of @ref SAI_Block_Mode                      */
73 
74   uint32_t Synchro;             /*!< Specifies SAI Block synchronization
75                                      This parameter can be a value of @ref SAI_Block_Synchronization           */
76 
77   uint32_t SynchroExt;          /*!< Specifies SAI external output synchronization, this setup is common
78                                      for BlockA and BlockB
79                                      This parameter can be a value of @ref SAI_Block_SyncExt
80                                      @note: If both audio blocks of same SAI are used, this parameter has
81                                             to be set to the same value for each audio block                   */
82 
83   uint32_t OutputDrive;         /*!< Specifies when SAI Block outputs are driven.
84                                      This parameter can be a value of @ref SAI_Block_Output_Drive
85                                      @note this value has to be set before enabling the audio block
86                                      but after the audio block configuration.                                  */
87 
88   uint32_t NoDivider;           /*!< Specifies whether master clock will be divided or not.
89                                      This parameter can be a value of @ref SAI_Block_NoDivider
90                                      @note  If bit NODIV in the SAI_xCR1 register is cleared, the frame length
91                                             should be aligned to a number equal to a power of 2, from 8 to 256.
92                                             If bit NODIV in the SAI_xCR1 register is set, the frame length can
93                                             take any of the values without constraint since the input clock of
94                                             the audio block should be equal to the bit clock.
95                                              There is no MCLK_x clock which can be output.                     */
96 
97   uint32_t FIFOThreshold;       /*!< Specifies SAI Block FIFO threshold.
98                                      This parameter can be a value of @ref SAI_Block_Fifo_Threshold            */
99 
100   uint32_t ClockSource;         /*!< Specifies the SAI Block x Clock source.
101                                      This parameter is not used for STM32F446xx devices.                       */
102 
103   uint32_t AudioFrequency;      /*!< Specifies the audio frequency sampling.
104                                      This parameter can be a value of @ref SAI_Audio_Frequency                 */
105 
106   uint32_t Mckdiv;              /*!< Specifies the master clock divider.
107                                      This parameter must be a number between Min_Data = 0 and Max_Data = 15.
108                                      @note This parameter is used only if AudioFrequency is set to
109                                            SAI_AUDIO_FREQUENCY_MCKDIV otherwise it is internally computed. */
110 
111   uint32_t MonoStereoMode;      /*!< Specifies if the mono or stereo mode is selected.
112                                      This parameter can be a value of @ref SAI_Mono_Stereo_Mode                */
113 
114   uint32_t CompandingMode;      /*!< Specifies the companding mode type.
115                                      This parameter can be a value of @ref SAI_Block_Companding_Mode           */
116 
117   uint32_t TriState;            /*!< Specifies the companding mode type.
118                                      This parameter can be a value of @ref SAI_TRIState_Management             */
119 
120   /* This part of the structure is automatically filled if your are using the high level initialisation
121      function HAL_SAI_InitProtocol                                                                             */
122 
123   uint32_t Protocol;        /*!< Specifies the SAI Block protocol.
124                                  This parameter can be a value of @ref SAI_Block_Protocol                      */
125 
126   uint32_t DataSize;        /*!< Specifies the SAI Block data size.
127                                  This parameter can be a value of @ref SAI_Block_Data_Size                     */
128 
129   uint32_t FirstBit;        /*!< Specifies whether data transfers start from MSB or LSB bit.
130                                  This parameter can be a value of @ref SAI_Block_MSB_LSB_transmission          */
131 
132   uint32_t ClockStrobing;   /*!< Specifies the SAI Block clock strobing edge sensitivity.
133                                  This parameter can be a value of @ref SAI_Block_Clock_Strobing                */
134 } SAI_InitTypeDef;
135 /**
136   * @}
137   */
138 
139 /** @defgroup SAI_Frame_Structure_definition SAI Frame Structure definition
140   * @brief  SAI Frame Init structure definition
141   * @note   For SPDIF and AC97 protocol, these parameters are not used (set by hardware).
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   * @note    For SPDIF protocol, these parameters are not used (set by hardware).
173   * @note    For AC97 protocol, only SlotActive parameter is used (the others are set by hardware).
174   * @{
175   */
176 typedef struct
177 {
178   uint32_t FirstBitOffset;  /*!< Specifies the position of first data transfer bit in the slot.
179                                  This parameter must be a number between Min_Data = 0 and Max_Data = 24 */
180 
181   uint32_t SlotSize;        /*!< Specifies the Slot Size.
182                                  This parameter can be a value of @ref SAI_Block_Slot_Size              */
183 
184   uint32_t SlotNumber;      /*!< Specifies the number of slot in the audio frame.
185                                  This parameter must be a number between Min_Data = 1 and Max_Data = 16 */
186 
187   uint32_t SlotActive;      /*!< Specifies the slots in audio frame that will be activated.
188                                  This parameter can be a value of @ref SAI_Block_Slot_Active            */
189 } SAI_SlotInitTypeDef;
190 /**
191   * @}
192   */
193 
194 /** @defgroup SAI_Handle_Structure_definition SAI Handle Structure definition
195   * @brief  SAI handle Structure definition
196   * @{
197   */
198 typedef struct __SAI_HandleTypeDef
199 {
200   SAI_Block_TypeDef         *Instance;  /*!< SAI Blockx registers base address        */
201 
202   SAI_InitTypeDef           Init;       /*!< SAI communication parameters             */
203 
204   SAI_FrameInitTypeDef      FrameInit;  /*!< SAI Frame configuration parameters       */
205 
206   SAI_SlotInitTypeDef       SlotInit;   /*!< SAI Slot configuration parameters        */
207 
208   uint8_t                  *pBuffPtr;  /*!< Pointer to SAI transfer Buffer            */
209 
210   uint16_t                  XferSize;  /*!< SAI transfer size                         */
211 
212   uint16_t                  XferCount; /*!< SAI transfer counter                      */
213 
214   DMA_HandleTypeDef         *hdmatx;     /*!< SAI Tx DMA handle parameters            */
215 
216   DMA_HandleTypeDef         *hdmarx;     /*!< SAI Rx DMA handle parameters            */
217 
218   SAIcallback               mutecallback;/*!< SAI mute callback                       */
219 
220   void (*InterruptServiceRoutine)(struct __SAI_HandleTypeDef *hsai); /* function pointer for IRQ handler   */
221 
222   HAL_LockTypeDef           Lock;        /*!< SAI locking object                      */
223 
224   __IO HAL_SAI_StateTypeDef State;       /*!< SAI communication state                 */
225 
226   __IO uint32_t             ErrorCode;    /*!< SAI Error code */
227 
228 #if (USE_HAL_SAI_REGISTER_CALLBACKS == 1)
229   void (*RxCpltCallback)(struct __SAI_HandleTypeDef *hsai);      /*!< SAI receive complete callback */
230   void (*RxHalfCpltCallback)(struct __SAI_HandleTypeDef *hsai);  /*!< SAI receive half complete callback */
231   void (*TxCpltCallback)(struct __SAI_HandleTypeDef *hsai);      /*!< SAI transmit complete callback */
232   void (*TxHalfCpltCallback)(struct __SAI_HandleTypeDef *hsai);  /*!< SAI transmit half complete callback */
233   void (*ErrorCallback)(struct __SAI_HandleTypeDef *hsai);       /*!< SAI error callback */
234   void (*MspInitCallback)(struct __SAI_HandleTypeDef *hsai);     /*!< SAI MSP init callback */
235   void (*MspDeInitCallback)(struct __SAI_HandleTypeDef *hsai);   /*!< SAI MSP de-init callback */
236 #endif /* USE_HAL_SAI_REGISTER_CALLBACKS */
237 } SAI_HandleTypeDef;
238 /**
239   * @}
240   */
241 
242 #if (USE_HAL_SAI_REGISTER_CALLBACKS == 1)
243 /**
244   * @brief  SAI callback ID enumeration definition
245   */
246 typedef enum
247 {
248   HAL_SAI_RX_COMPLETE_CB_ID       = 0x00U, /*!< SAI receive complete callback ID */
249   HAL_SAI_RX_HALFCOMPLETE_CB_ID   = 0x01U, /*!< SAI receive half complete callback ID */
250   HAL_SAI_TX_COMPLETE_CB_ID       = 0x02U, /*!< SAI transmit complete callback ID */
251   HAL_SAI_TX_HALFCOMPLETE_CB_ID   = 0x03U, /*!< SAI transmit half complete callback ID */
252   HAL_SAI_ERROR_CB_ID             = 0x04U, /*!< SAI error callback ID */
253   HAL_SAI_MSPINIT_CB_ID           = 0x05U, /*!< SAI MSP init callback ID */
254   HAL_SAI_MSPDEINIT_CB_ID         = 0x06U  /*!< SAI MSP de-init callback ID */
255 } HAL_SAI_CallbackIDTypeDef;
256 
257 /**
258   * @brief  SAI callback pointer definition
259   */
260 typedef void (*pSAI_CallbackTypeDef)(SAI_HandleTypeDef *hsai);
261 #endif /* USE_HAL_SAI_REGISTER_CALLBACKS */
262 
263 /**
264   * @}
265   */
266 
267 /* Exported constants --------------------------------------------------------*/
268 /** @defgroup SAI_Exported_Constants SAI Exported Constants
269   * @{
270   */
271 
272 /** @defgroup SAI_Error_Code SAI Error Code
273   * @{
274   */
275 #define HAL_SAI_ERROR_NONE    0x00000000U  /*!< No error                                    */
276 #define HAL_SAI_ERROR_OVR     0x00000001U  /*!< Overrun Error                               */
277 #define HAL_SAI_ERROR_UDR     0x00000002U  /*!< Underrun error                              */
278 #define HAL_SAI_ERROR_AFSDET  0x00000004U  /*!< Anticipated Frame synchronisation detection */
279 #define HAL_SAI_ERROR_LFSDET  0x00000008U  /*!< Late Frame synchronisation detection        */
280 #define HAL_SAI_ERROR_CNREADY 0x00000010U  /*!< codec not ready                             */
281 #define HAL_SAI_ERROR_WCKCFG  0x00000020U  /*!< Wrong clock configuration                   */
282 #define HAL_SAI_ERROR_TIMEOUT 0x00000040U  /*!< Timeout error                               */
283 #define HAL_SAI_ERROR_DMA     0x00000080U  /*!< DMA error                                   */
284 #if (USE_HAL_SAI_REGISTER_CALLBACKS == 1)
285 #define HAL_SAI_ERROR_INVALID_CALLBACK   0x00000100U  /*!< Invalid callback error */
286 #endif /* USE_HAL_SAI_REGISTER_CALLBACKS */
287 /**
288   * @}
289   */
290 
291 /** @defgroup SAI_Block_SyncExt SAI External synchronisation
292   * @{
293   */
294 #define SAI_SYNCEXT_DISABLE          0U
295 #define SAI_SYNCEXT_OUTBLOCKA_ENABLE 1U
296 #define SAI_SYNCEXT_OUTBLOCKB_ENABLE 2U
297 /**
298   * @}
299   */
300 
301 /** @defgroup SAI_Protocol SAI Supported protocol
302   * @{
303   */
304 #define SAI_I2S_STANDARD      0U
305 #define SAI_I2S_MSBJUSTIFIED  1U
306 #define SAI_I2S_LSBJUSTIFIED  2U
307 #define SAI_PCM_LONG          3U
308 #define SAI_PCM_SHORT         4U
309 /**
310   * @}
311   */
312 
313 /** @defgroup SAI_Protocol_DataSize SAI protocol data size
314   * @{
315   */
316 #define SAI_PROTOCOL_DATASIZE_16BIT         0U
317 #define SAI_PROTOCOL_DATASIZE_16BITEXTENDED 1U
318 #define SAI_PROTOCOL_DATASIZE_24BIT         2U
319 #define SAI_PROTOCOL_DATASIZE_32BIT         3U
320 /**
321   * @}
322   */
323 
324 /** @defgroup SAI_Audio_Frequency SAI Audio Frequency
325   * @{
326   */
327 #define SAI_AUDIO_FREQUENCY_192K          192000U
328 #define SAI_AUDIO_FREQUENCY_96K           96000U
329 #define SAI_AUDIO_FREQUENCY_48K           48000U
330 #define SAI_AUDIO_FREQUENCY_44K           44100U
331 #define SAI_AUDIO_FREQUENCY_32K           32000U
332 #define SAI_AUDIO_FREQUENCY_22K           22050U
333 #define SAI_AUDIO_FREQUENCY_16K           16000U
334 #define SAI_AUDIO_FREQUENCY_11K           11025U
335 #define SAI_AUDIO_FREQUENCY_8K            8000U
336 #define SAI_AUDIO_FREQUENCY_MCKDIV        0U
337 /**
338   * @}
339   */
340 
341 /** @defgroup SAI_Block_Mode SAI Block Mode
342   * @{
343   */
344 #define SAI_MODEMASTER_TX         0x00000000U
345 #define SAI_MODEMASTER_RX         ((uint32_t)SAI_xCR1_MODE_0)
346 #define SAI_MODESLAVE_TX          ((uint32_t)SAI_xCR1_MODE_1)
347 #define SAI_MODESLAVE_RX          ((uint32_t)(SAI_xCR1_MODE_1 | SAI_xCR1_MODE_0))
348 /**
349   * @}
350   */
351 
352 /** @defgroup SAI_Block_Protocol SAI Block Protocol
353   * @{
354   */
355 #define SAI_FREE_PROTOCOL                 0x00000000U
356 #define SAI_SPDIF_PROTOCOL                ((uint32_t)SAI_xCR1_PRTCFG_0)
357 #define SAI_AC97_PROTOCOL                 ((uint32_t)SAI_xCR1_PRTCFG_1)
358 /**
359   * @}
360   */
361 
362 /** @defgroup SAI_Block_Data_Size SAI Block Data Size
363   * @{
364   */
365 #define SAI_DATASIZE_8                   ((uint32_t)SAI_xCR1_DS_1)
366 #define SAI_DATASIZE_10                  ((uint32_t)(SAI_xCR1_DS_1 | SAI_xCR1_DS_0))
367 #define SAI_DATASIZE_16                  ((uint32_t)SAI_xCR1_DS_2)
368 #define SAI_DATASIZE_20                  ((uint32_t)(SAI_xCR1_DS_2 | SAI_xCR1_DS_0))
369 #define SAI_DATASIZE_24                  ((uint32_t)(SAI_xCR1_DS_2 | SAI_xCR1_DS_1))
370 #define SAI_DATASIZE_32                  ((uint32_t)(SAI_xCR1_DS_2 | SAI_xCR1_DS_1 | SAI_xCR1_DS_0))
371 /**
372   * @}
373   */
374 
375 /** @defgroup SAI_Block_MSB_LSB_transmission SAI Block MSB LSB transmission
376   * @{
377   */
378 #define SAI_FIRSTBIT_MSB                  0x00000000U
379 #define SAI_FIRSTBIT_LSB                  ((uint32_t)SAI_xCR1_LSBFIRST)
380 /**
381   * @}
382   */
383 
384 /** @defgroup SAI_Block_Clock_Strobing SAI Block Clock Strobing
385   * @{
386   */
387 #define SAI_CLOCKSTROBING_FALLINGEDGE     0U
388 #define SAI_CLOCKSTROBING_RISINGEDGE      1U
389 /**
390   * @}
391   */
392 
393 /** @defgroup SAI_Block_Synchronization SAI Block Synchronization
394   * @{
395   */
396 #define SAI_ASYNCHRONOUS                  0U /*!< Asynchronous                             */
397 #define SAI_SYNCHRONOUS                   1U /*!< Synchronous with other block of same SAI */
398 #define SAI_SYNCHRONOUS_EXT_SAI1          2U /*!< Synchronous with other SAI, SAI1         */
399 #define SAI_SYNCHRONOUS_EXT_SAI2          3U /*!< Synchronous with other SAI, SAI2         */
400 /**
401   * @}
402   */
403 
404 /** @defgroup SAI_Block_Output_Drive SAI Block Output Drive
405   * @{
406   */
407 #define SAI_OUTPUTDRIVE_DISABLE          0x00000000U
408 #define SAI_OUTPUTDRIVE_ENABLE           ((uint32_t)SAI_xCR1_OUTDRIV)
409 /**
410   * @}
411   */
412 
413 /** @defgroup SAI_Block_NoDivider SAI Block NoDivider
414   * @{
415   */
416 #define SAI_MASTERDIVIDER_ENABLE         0x00000000U
417 #define SAI_MASTERDIVIDER_DISABLE        ((uint32_t)SAI_xCR1_NODIV)
418 /**
419   * @}
420   */
421 
422 /** @defgroup SAI_Block_FS_Definition SAI Block FS Definition
423   * @{
424   */
425 #define SAI_FS_STARTFRAME                 0x00000000U
426 #define SAI_FS_CHANNEL_IDENTIFICATION     ((uint32_t)SAI_xFRCR_FSDEF)
427 /**
428   * @}
429   */
430 
431 /** @defgroup SAI_Block_FS_Polarity SAI Block FS Polarity
432   * @{
433   */
434 #define SAI_FS_ACTIVE_LOW                  0x00000000U
435 #define SAI_FS_ACTIVE_HIGH                 ((uint32_t)SAI_xFRCR_FSPOL)
436 /**
437   * @}
438   */
439 
440 /** @defgroup SAI_Block_FS_Offset SAI Block FS Offset
441   * @{
442   */
443 #define SAI_FS_FIRSTBIT                   0x00000000U
444 #define SAI_FS_BEFOREFIRSTBIT             ((uint32_t)SAI_xFRCR_FSOFF)
445 /**
446   * @}
447   */
448 
449 /** @defgroup SAI_Block_Slot_Size SAI Block Slot Size
450   * @{
451   */
452 #define SAI_SLOTSIZE_DATASIZE             0x00000000U
453 #define SAI_SLOTSIZE_16B                  ((uint32_t)SAI_xSLOTR_SLOTSZ_0)
454 #define SAI_SLOTSIZE_32B                  ((uint32_t)SAI_xSLOTR_SLOTSZ_1)
455 /**
456   * @}
457   */
458 
459 /** @defgroup SAI_Block_Slot_Active SAI Block Slot Active
460   * @{
461   */
462 #define SAI_SLOT_NOTACTIVE           0x00000000U
463 #define SAI_SLOTACTIVE_0             0x00000001U
464 #define SAI_SLOTACTIVE_1             0x00000002U
465 #define SAI_SLOTACTIVE_2             0x00000004U
466 #define SAI_SLOTACTIVE_3             0x00000008U
467 #define SAI_SLOTACTIVE_4             0x00000010U
468 #define SAI_SLOTACTIVE_5             0x00000020U
469 #define SAI_SLOTACTIVE_6             0x00000040U
470 #define SAI_SLOTACTIVE_7             0x00000080U
471 #define SAI_SLOTACTIVE_8             0x00000100U
472 #define SAI_SLOTACTIVE_9             0x00000200U
473 #define SAI_SLOTACTIVE_10            0x00000400U
474 #define SAI_SLOTACTIVE_11            0x00000800U
475 #define SAI_SLOTACTIVE_12            0x00001000U
476 #define SAI_SLOTACTIVE_13            0x00002000U
477 #define SAI_SLOTACTIVE_14            0x00004000U
478 #define SAI_SLOTACTIVE_15            0x00008000U
479 #define SAI_SLOTACTIVE_ALL           0x0000FFFFU
480 /**
481   * @}
482   */
483 
484 /** @defgroup SAI_Mono_Stereo_Mode SAI Mono Stereo Mode
485   * @{
486   */
487 #define SAI_STEREOMODE                    0x00000000U
488 #define SAI_MONOMODE                      ((uint32_t)SAI_xCR1_MONO)
489 /**
490   * @}
491   */
492 
493 /** @defgroup SAI_TRIState_Management SAI TRIState Management
494   * @{
495   */
496 #define SAI_OUTPUT_NOTRELEASED              0x00000000U
497 #define SAI_OUTPUT_RELEASED                 ((uint32_t)SAI_xCR2_TRIS)
498 /**
499   * @}
500   */
501 
502 /** @defgroup SAI_Block_Fifo_Threshold SAI Block Fifo Threshold
503   * @{
504   */
505 #define SAI_FIFOTHRESHOLD_EMPTY  0x00000000U
506 #define SAI_FIFOTHRESHOLD_1QF    ((uint32_t)(SAI_xCR2_FTH_0))
507 #define SAI_FIFOTHRESHOLD_HF     ((uint32_t)(SAI_xCR2_FTH_1))
508 #define SAI_FIFOTHRESHOLD_3QF    ((uint32_t)(SAI_xCR2_FTH_1 | SAI_xCR2_FTH_0))
509 #define SAI_FIFOTHRESHOLD_FULL   ((uint32_t)(SAI_xCR2_FTH_2))
510 /**
511   * @}
512   */
513 
514 /** @defgroup SAI_Block_Companding_Mode SAI Block Companding Mode
515   * @{
516   */
517 #define SAI_NOCOMPANDING                 0x00000000U
518 #define SAI_ULAW_1CPL_COMPANDING         ((uint32_t)(SAI_xCR2_COMP_1))
519 #define SAI_ALAW_1CPL_COMPANDING         ((uint32_t)(SAI_xCR2_COMP_1 | SAI_xCR2_COMP_0))
520 #define SAI_ULAW_2CPL_COMPANDING         ((uint32_t)(SAI_xCR2_COMP_1 | SAI_xCR2_CPL))
521 #define SAI_ALAW_2CPL_COMPANDING         ((uint32_t)(SAI_xCR2_COMP_1 | SAI_xCR2_COMP_0 | SAI_xCR2_CPL))
522 /**
523   * @}
524   */
525 
526 /** @defgroup SAI_Block_Mute_Value SAI Block Mute Value
527   * @{
528   */
529 #define SAI_ZERO_VALUE                      0x00000000U
530 #define SAI_LAST_SENT_VALUE                 ((uint32_t)SAI_xCR2_MUTEVAL)
531 /**
532   * @}
533   */
534 
535 /** @defgroup SAI_Block_Interrupts_Definition SAI Block Interrupts Definition
536   * @{
537   */
538 #define SAI_IT_OVRUDR                     ((uint32_t)SAI_xIMR_OVRUDRIE)
539 #define SAI_IT_MUTEDET                    ((uint32_t)SAI_xIMR_MUTEDETIE)
540 #define SAI_IT_WCKCFG                     ((uint32_t)SAI_xIMR_WCKCFGIE)
541 #define SAI_IT_FREQ                       ((uint32_t)SAI_xIMR_FREQIE)
542 #define SAI_IT_CNRDY                      ((uint32_t)SAI_xIMR_CNRDYIE)
543 #define SAI_IT_AFSDET                     ((uint32_t)SAI_xIMR_AFSDETIE)
544 #define SAI_IT_LFSDET                     ((uint32_t)SAI_xIMR_LFSDETIE)
545 /**
546   * @}
547   */
548 
549 /** @defgroup SAI_Block_Flags_Definition  SAI Block Flags Definition
550   * @{
551   */
552 #define SAI_FLAG_OVRUDR                   ((uint32_t)SAI_xSR_OVRUDR)
553 #define SAI_FLAG_MUTEDET                  ((uint32_t)SAI_xSR_MUTEDET)
554 #define SAI_FLAG_WCKCFG                   ((uint32_t)SAI_xSR_WCKCFG)
555 #define SAI_FLAG_FREQ                     ((uint32_t)SAI_xSR_FREQ)
556 #define SAI_FLAG_CNRDY                    ((uint32_t)SAI_xSR_CNRDY)
557 #define SAI_FLAG_AFSDET                   ((uint32_t)SAI_xSR_AFSDET)
558 #define SAI_FLAG_LFSDET                   ((uint32_t)SAI_xSR_LFSDET)
559 /**
560   * @}
561   */
562 
563 /** @defgroup SAI_Block_Fifo_Status_Level   SAI Block Fifo Status Level
564   * @{
565   */
566 #define SAI_FIFOSTATUS_EMPTY              0x00000000U
567 #define SAI_FIFOSTATUS_LESS1QUARTERFULL   0x00010000U
568 #define SAI_FIFOSTATUS_1QUARTERFULL       0x00020000U
569 #define SAI_FIFOSTATUS_HALFFULL           0x00030000U
570 #define SAI_FIFOSTATUS_3QUARTERFULL       0x00040000U
571 #define SAI_FIFOSTATUS_FULL               0x00050000U
572 /**
573   * @}
574   */
575 
576 /**
577   * @}
578   */
579 
580 /* Exported macro ------------------------------------------------------------*/
581 /** @defgroup SAI_Exported_Macros SAI Exported Macros
582   * @brief macros to handle interrupts and specific configurations
583   * @{
584   */
585 
586 /** @brief Reset SAI handle state
587   * @param  __HANDLE__ specifies the SAI Handle.
588   * @retval None
589   */
590 #if (USE_HAL_SAI_REGISTER_CALLBACKS == 1)
591 #define __HAL_SAI_RESET_HANDLE_STATE(__HANDLE__) do{                                            \
592                                                      (__HANDLE__)->State = HAL_SAI_STATE_RESET; \
593                                                      (__HANDLE__)->MspInitCallback = NULL;      \
594                                                      (__HANDLE__)->MspDeInitCallback = NULL;    \
595                                                    } while(0U)
596 #else
597 #define __HAL_SAI_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_SAI_STATE_RESET)
598 #endif /* USE_HAL_SAI_REGISTER_CALLBACKS */
599 
600 /** @brief  Enable or disable the specified SAI interrupts.
601   * @param  __HANDLE__ specifies the SAI Handle.
602   * @param  __INTERRUPT__ specifies the interrupt source to enable or disable.
603   *         This parameter can be one of the following values:
604   *            @arg SAI_IT_OVRUDR: Overrun underrun interrupt enable
605   *            @arg SAI_IT_MUTEDET: Mute detection interrupt enable
606   *            @arg SAI_IT_WCKCFG: Wrong Clock Configuration interrupt enable
607   *            @arg SAI_IT_FREQ: FIFO request interrupt enable
608   *            @arg SAI_IT_CNRDY: Codec not ready interrupt enable
609   *            @arg SAI_IT_AFSDET: Anticipated frame synchronization detection interrupt enable
610   *            @arg SAI_IT_LFSDET: Late frame synchronization detection interrupt enable
611   * @retval None
612   */
613 #define __HAL_SAI_ENABLE_IT(__HANDLE__, __INTERRUPT__)   ((__HANDLE__)->Instance->IMR |= (__INTERRUPT__))
614 #define __HAL_SAI_DISABLE_IT(__HANDLE__, __INTERRUPT__)  ((__HANDLE__)->Instance->IMR &= (~(__INTERRUPT__)))
615 
616 /** @brief  Check if the specified SAI interrupt source is enabled or disabled.
617   * @param  __HANDLE__ specifies the SAI Handle.
618   *         This parameter can be SAI where x: 1, 2, or 3 to select the SAI peripheral.
619   * @param  __INTERRUPT__ specifies the SAI interrupt source to check.
620   *         This parameter can be one of the following values:
621   *            @arg SAI_IT_OVRUDR: Overrun underrun interrupt enable
622   *            @arg SAI_IT_MUTEDET: Mute detection interrupt enable
623   *            @arg SAI_IT_WCKCFG: Wrong Clock Configuration interrupt enable
624   *            @arg SAI_IT_FREQ: FIFO request interrupt enable
625   *            @arg SAI_IT_CNRDY: Codec not ready interrupt enable
626   *            @arg SAI_IT_AFSDET: Anticipated frame synchronization detection interrupt enable
627   *            @arg SAI_IT_LFSDET: Late frame synchronization detection interrupt enable
628   * @retval The new state of __INTERRUPT__ (TRUE or FALSE).
629   */
630 #define __HAL_SAI_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->IMR & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)
631 
632 /** @brief  Check whether the specified SAI flag is set or not.
633   * @param  __HANDLE__ specifies the SAI Handle.
634   * @param  __FLAG__ specifies the flag to check.
635   *         This parameter can be one of the following values:
636   *            @arg SAI_FLAG_OVRUDR: Overrun underrun flag.
637   *            @arg SAI_FLAG_MUTEDET: Mute detection flag.
638   *            @arg SAI_FLAG_WCKCFG: Wrong Clock Configuration flag.
639   *            @arg SAI_FLAG_FREQ: FIFO request flag.
640   *            @arg SAI_FLAG_CNRDY: Codec not ready flag.
641   *            @arg SAI_FLAG_AFSDET: Anticipated frame synchronization detection flag.
642   *            @arg SAI_FLAG_LFSDET: Late frame synchronization detection flag.
643   * @retval The new state of __FLAG__ (TRUE or FALSE).
644   */
645 #define __HAL_SAI_GET_FLAG(__HANDLE__, __FLAG__) ((((__HANDLE__)->Instance->SR) & (__FLAG__)) == (__FLAG__))
646 
647 /** @brief  Clear the specified SAI pending flag.
648   * @param  __HANDLE__ specifies the SAI Handle.
649   * @param  __FLAG__ specifies the flag to check.
650   *          This parameter can be any combination of the following values:
651   *            @arg SAI_FLAG_OVRUDR: Clear Overrun underrun
652   *            @arg SAI_FLAG_MUTEDET: Clear Mute detection
653   *            @arg SAI_FLAG_WCKCFG: Clear Wrong Clock Configuration
654   *            @arg SAI_FLAG_FREQ: Clear FIFO request
655   *            @arg SAI_FLAG_CNRDY: Clear Codec not ready
656   *            @arg SAI_FLAG_AFSDET: Clear Anticipated frame synchronization detection
657   *            @arg SAI_FLAG_LFSDET: Clear Late frame synchronization detection
658   * @retval None
659   */
660 #define __HAL_SAI_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->CLRFR = (__FLAG__))
661 
662 /** @brief  Enable SAI
663   * @param  __HANDLE__ specifies the SAI Handle.
664   * @retval None
665   */
666 #define __HAL_SAI_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 |=  SAI_xCR1_SAIEN)
667 
668 /** @brief  Disable SAI
669   * @param  __HANDLE__ specifies the SAI Handle.
670   * @retval None
671   */
672 #define __HAL_SAI_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 &=  ~SAI_xCR1_SAIEN)
673 
674 /**
675   * @}
676   */
677 
678 /* Include HAL SAI Extension module */
679 #include "stm32f4xx_hal_sai_ex.h"
680 
681 /* Exported functions --------------------------------------------------------*/
682 /** @addtogroup SAI_Exported_Functions
683   * @{
684   */
685 
686 /* Initialization/de-initialization functions  **********************************/
687 /** @addtogroup SAI_Exported_Functions_Group1
688   * @{
689   */
690 HAL_StatusTypeDef HAL_SAI_InitProtocol(SAI_HandleTypeDef *hsai, uint32_t protocol, uint32_t datasize, uint32_t nbslot);
691 HAL_StatusTypeDef HAL_SAI_Init(SAI_HandleTypeDef *hsai);
692 HAL_StatusTypeDef HAL_SAI_DeInit(SAI_HandleTypeDef *hsai);
693 void HAL_SAI_MspInit(SAI_HandleTypeDef *hsai);
694 void HAL_SAI_MspDeInit(SAI_HandleTypeDef *hsai);
695 
696 #if (USE_HAL_SAI_REGISTER_CALLBACKS == 1)
697 /* SAI callbacks register/unregister functions ********************************/
698 HAL_StatusTypeDef HAL_SAI_RegisterCallback(SAI_HandleTypeDef        *hsai,
699                                            HAL_SAI_CallbackIDTypeDef CallbackID,
700                                            pSAI_CallbackTypeDef      pCallback);
701 HAL_StatusTypeDef HAL_SAI_UnRegisterCallback(SAI_HandleTypeDef        *hsai,
702                                              HAL_SAI_CallbackIDTypeDef CallbackID);
703 #endif /* USE_HAL_SAI_REGISTER_CALLBACKS */
704 /**
705   * @}
706   */
707 
708 /* I/O operation functions  *****************************************************/
709 /** @addtogroup SAI_Exported_Functions_Group2
710   * @{
711   */
712 /* Blocking mode: Polling */
713 HAL_StatusTypeDef HAL_SAI_Transmit(SAI_HandleTypeDef *hsai, uint8_t *pData, uint16_t Size, uint32_t Timeout);
714 HAL_StatusTypeDef HAL_SAI_Receive(SAI_HandleTypeDef *hsai, uint8_t *pData, uint16_t Size, uint32_t Timeout);
715 
716 /* Non-Blocking mode: Interrupt */
717 HAL_StatusTypeDef HAL_SAI_Transmit_IT(SAI_HandleTypeDef *hsai, uint8_t *pData, uint16_t Size);
718 HAL_StatusTypeDef HAL_SAI_Receive_IT(SAI_HandleTypeDef *hsai, uint8_t *pData, uint16_t Size);
719 
720 /* Non-Blocking mode: DMA */
721 HAL_StatusTypeDef HAL_SAI_Transmit_DMA(SAI_HandleTypeDef *hsai, uint8_t *pData, uint16_t Size);
722 HAL_StatusTypeDef HAL_SAI_Receive_DMA(SAI_HandleTypeDef *hsai, uint8_t *pData, uint16_t Size);
723 HAL_StatusTypeDef HAL_SAI_DMAPause(SAI_HandleTypeDef *hsai);
724 HAL_StatusTypeDef HAL_SAI_DMAResume(SAI_HandleTypeDef *hsai);
725 HAL_StatusTypeDef HAL_SAI_DMAStop(SAI_HandleTypeDef *hsai);
726 
727 /* Abort function */
728 HAL_StatusTypeDef HAL_SAI_Abort(SAI_HandleTypeDef *hsai);
729 
730 /* Mute management */
731 HAL_StatusTypeDef HAL_SAI_EnableTxMuteMode(SAI_HandleTypeDef *hsai, uint16_t val);
732 HAL_StatusTypeDef HAL_SAI_DisableTxMuteMode(SAI_HandleTypeDef *hsai);
733 HAL_StatusTypeDef HAL_SAI_EnableRxMuteMode(SAI_HandleTypeDef *hsai, SAIcallback callback, uint16_t counter);
734 HAL_StatusTypeDef HAL_SAI_DisableRxMuteMode(SAI_HandleTypeDef *hsai);
735 
736 /* SAI IRQHandler and Callbacks used in non blocking modes (Interrupt and DMA) */
737 void HAL_SAI_IRQHandler(SAI_HandleTypeDef *hsai);
738 void HAL_SAI_TxHalfCpltCallback(SAI_HandleTypeDef *hsai);
739 void HAL_SAI_TxCpltCallback(SAI_HandleTypeDef *hsai);
740 void HAL_SAI_RxHalfCpltCallback(SAI_HandleTypeDef *hsai);
741 void HAL_SAI_RxCpltCallback(SAI_HandleTypeDef *hsai);
742 void HAL_SAI_ErrorCallback(SAI_HandleTypeDef *hsai);
743 /**
744   * @}
745   */
746 
747 /** @addtogroup SAI_Exported_Functions_Group3
748   * @{
749   */
750 /* Peripheral State functions  ************************************************/
751 HAL_SAI_StateTypeDef HAL_SAI_GetState(SAI_HandleTypeDef *hsai);
752 uint32_t HAL_SAI_GetError(SAI_HandleTypeDef *hsai);
753 /**
754   * @}
755   */
756 
757 /**
758   * @}
759   */
760 
761 /* Private macros ------------------------------------------------------------*/
762 /** @addtogroup SAI_Private_Macros
763   * @{
764   */
765 #define IS_SAI_BLOCK_SYNCEXT(STATE)   (((STATE) == SAI_SYNCEXT_DISABLE)           ||\
766                                        ((STATE) == SAI_SYNCEXT_OUTBLOCKA_ENABLE)  ||\
767                                        ((STATE) == SAI_SYNCEXT_OUTBLOCKB_ENABLE))
768 
769 #define IS_SAI_SUPPORTED_PROTOCOL(PROTOCOL)   (((PROTOCOL) == SAI_I2S_STANDARD)     ||\
770                                                ((PROTOCOL) == SAI_I2S_MSBJUSTIFIED) ||\
771                                                ((PROTOCOL) == SAI_I2S_LSBJUSTIFIED) ||\
772                                                ((PROTOCOL) == SAI_PCM_LONG)         ||\
773                                                ((PROTOCOL) == SAI_PCM_SHORT))
774 
775 #define IS_SAI_PROTOCOL_DATASIZE(DATASIZE)   (((DATASIZE) == SAI_PROTOCOL_DATASIZE_16BIT)         ||\
776                                               ((DATASIZE) == SAI_PROTOCOL_DATASIZE_16BITEXTENDED) ||\
777                                               ((DATASIZE) == SAI_PROTOCOL_DATASIZE_24BIT)         ||\
778                                               ((DATASIZE) == SAI_PROTOCOL_DATASIZE_32BIT))
779 
780 #define IS_SAI_AUDIO_FREQUENCY(AUDIO) (((AUDIO) == SAI_AUDIO_FREQUENCY_192K) || ((AUDIO) == SAI_AUDIO_FREQUENCY_96K) || \
781                                        ((AUDIO) == SAI_AUDIO_FREQUENCY_48K)  || ((AUDIO) == SAI_AUDIO_FREQUENCY_44K) || \
782                                        ((AUDIO) == SAI_AUDIO_FREQUENCY_32K)  || ((AUDIO) == SAI_AUDIO_FREQUENCY_22K) || \
783                                        ((AUDIO) == SAI_AUDIO_FREQUENCY_16K)  || ((AUDIO) == SAI_AUDIO_FREQUENCY_11K) || \
784                                        ((AUDIO) == SAI_AUDIO_FREQUENCY_8K)   || ((AUDIO) == SAI_AUDIO_FREQUENCY_MCKDIV))
785 
786 #define IS_SAI_BLOCK_MODE(MODE)    (((MODE) == SAI_MODEMASTER_TX) || \
787                                     ((MODE) == SAI_MODEMASTER_RX) || \
788                                     ((MODE) == SAI_MODESLAVE_TX)  || \
789                                     ((MODE) == SAI_MODESLAVE_RX))
790 
791 #define IS_SAI_BLOCK_PROTOCOL(PROTOCOL) (((PROTOCOL) == SAI_FREE_PROTOCOL)  || \
792                                          ((PROTOCOL) == SAI_AC97_PROTOCOL)  || \
793                                          ((PROTOCOL) == SAI_SPDIF_PROTOCOL))
794 
795 #define IS_SAI_BLOCK_DATASIZE(DATASIZE) (((DATASIZE) == SAI_DATASIZE_8)  || \
796                                          ((DATASIZE) == SAI_DATASIZE_10) || \
797                                          ((DATASIZE) == SAI_DATASIZE_16) || \
798                                          ((DATASIZE) == SAI_DATASIZE_20) || \
799                                          ((DATASIZE) == SAI_DATASIZE_24) || \
800                                          ((DATASIZE) == SAI_DATASIZE_32))
801 
802 #define IS_SAI_BLOCK_FIRST_BIT(BIT) (((BIT) == SAI_FIRSTBIT_MSB) || \
803                                      ((BIT) == SAI_FIRSTBIT_LSB))
804 
805 #define IS_SAI_BLOCK_CLOCK_STROBING(CLOCK) (((CLOCK) == SAI_CLOCKSTROBING_FALLINGEDGE) || \
806                                             ((CLOCK) == SAI_CLOCKSTROBING_RISINGEDGE))
807 
808 #define IS_SAI_BLOCK_SYNCHRO(SYNCHRO) (((SYNCHRO) == SAI_ASYNCHRONOUS)         || \
809                                        ((SYNCHRO) == SAI_SYNCHRONOUS)          || \
810                                        ((SYNCHRO) == SAI_SYNCHRONOUS_EXT_SAI1) ||\
811                                        ((SYNCHRO) == SAI_SYNCHRONOUS_EXT_SAI2))
812 
813 #define IS_SAI_BLOCK_OUTPUT_DRIVE(DRIVE) (((DRIVE) == SAI_OUTPUTDRIVE_DISABLE) || \
814                                           ((DRIVE) == SAI_OUTPUTDRIVE_ENABLE))
815 
816 #define IS_SAI_BLOCK_NODIVIDER(NODIVIDER) (((NODIVIDER) == SAI_MASTERDIVIDER_ENABLE) || \
817                                            ((NODIVIDER) == SAI_MASTERDIVIDER_DISABLE))
818 
819 #define IS_SAI_BLOCK_MUTE_COUNTER(COUNTER) ((COUNTER) <= 63U)
820 
821 #define IS_SAI_BLOCK_MUTE_VALUE(VALUE)    (((VALUE) == SAI_ZERO_VALUE)     || \
822                                            ((VALUE) == SAI_LAST_SENT_VALUE))
823 
824 #define IS_SAI_BLOCK_COMPANDING_MODE(MODE)    (((MODE) == SAI_NOCOMPANDING)         || \
825                                                ((MODE) == SAI_ULAW_1CPL_COMPANDING) || \
826                                                ((MODE) == SAI_ALAW_1CPL_COMPANDING) || \
827                                                ((MODE) == SAI_ULAW_2CPL_COMPANDING) || \
828                                                ((MODE) == SAI_ALAW_2CPL_COMPANDING))
829 
830 #define IS_SAI_BLOCK_FIFO_THRESHOLD(THRESHOLD) (((THRESHOLD) == SAI_FIFOTHRESHOLD_EMPTY)   || \
831                                                 ((THRESHOLD) == SAI_FIFOTHRESHOLD_1QF)     || \
832                                                 ((THRESHOLD) == SAI_FIFOTHRESHOLD_HF)      || \
833                                                 ((THRESHOLD) == SAI_FIFOTHRESHOLD_3QF)     || \
834                                                 ((THRESHOLD) == SAI_FIFOTHRESHOLD_FULL))
835 
836 #define IS_SAI_BLOCK_TRISTATE_MANAGEMENT(STATE) (((STATE) == SAI_OUTPUT_NOTRELEASED) ||\
837                                                  ((STATE) == SAI_OUTPUT_RELEASED))
838 
839 #define IS_SAI_MONO_STEREO_MODE(MODE) (((MODE) == SAI_MONOMODE) ||\
840                                        ((MODE) == SAI_STEREOMODE))
841 
842 #define IS_SAI_SLOT_ACTIVE(ACTIVE)  ((ACTIVE) <= SAI_SLOTACTIVE_ALL)
843 
844 #define IS_SAI_BLOCK_SLOT_NUMBER(NUMBER) ((1U <= (NUMBER)) && ((NUMBER) <= 16U))
845 
846 #define IS_SAI_BLOCK_SLOT_SIZE(SIZE) (((SIZE) == SAI_SLOTSIZE_DATASIZE) || \
847                                       ((SIZE) == SAI_SLOTSIZE_16B)      || \
848                                       ((SIZE) == SAI_SLOTSIZE_32B))
849 
850 #define IS_SAI_BLOCK_FIRSTBIT_OFFSET(OFFSET) ((OFFSET) <= 24U)
851 
852 #define IS_SAI_BLOCK_FS_OFFSET(OFFSET) (((OFFSET) == SAI_FS_FIRSTBIT) || \
853                                         ((OFFSET) == SAI_FS_BEFOREFIRSTBIT))
854 
855 #define IS_SAI_BLOCK_FS_POLARITY(POLARITY) (((POLARITY) == SAI_FS_ACTIVE_LOW) || \
856                                             ((POLARITY) == SAI_FS_ACTIVE_HIGH))
857 
858 #define IS_SAI_BLOCK_FS_DEFINITION(DEFINITION) (((DEFINITION) == SAI_FS_STARTFRAME) || \
859                                                 ((DEFINITION) == SAI_FS_CHANNEL_IDENTIFICATION))
860 
861 #define IS_SAI_BLOCK_MASTER_DIVIDER(DIVIDER) ((DIVIDER) <= 15U)
862 
863 #define IS_SAI_BLOCK_FRAME_LENGTH(LENGTH) ((8U <= (LENGTH)) && ((LENGTH) <= 256U))
864 
865 #define IS_SAI_BLOCK_ACTIVE_FRAME(LENGTH) ((1U <= (LENGTH)) && ((LENGTH) <= 128U))
866 
867 /**
868   * @}
869   */
870 
871 /* Private functions ---------------------------------------------------------*/
872 /** @defgroup SAI_Private_Functions SAI Private Functions
873   * @{
874   */
875 
876 /**
877   * @}
878   */
879 
880 /**
881   * @}
882   */
883 
884 #endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx || STM32F446xx || STM32F469xx || STM32F479xx || STM32F413xx || STM32F423xx  */
885 
886 /**
887   * @}
888   */
889 
890 #ifdef __cplusplus
891 }
892 #endif
893 
894 #endif /* __STM32F4xx_HAL_SAI_H */
895 
896