1 /**
2   ******************************************************************************
3   * @file    stm32g4xx_hal_sai.h
4   * @author  MCD Application Team
5   * @brief   Header file of SAI HAL module.
6   ******************************************************************************
7   * @attention
8   *
9   * Copyright (c) 2019 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 STM32G4xx_HAL_SAI_H
21 #define STM32G4xx_HAL_SAI_H
22 
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26 
27 /* Includes ------------------------------------------------------------------*/
28 #include "stm32g4xx_hal_def.h"
29 
30 /** @addtogroup STM32G4xx_HAL_Driver
31   * @{
32   */
33 
34 /** @addtogroup SAI
35   * @{
36   */
37 
38 /* Exported types ------------------------------------------------------------*/
39 /** @defgroup SAI_Exported_Types SAI Exported Types
40   * @{
41   */
42 
43 /**
44   * @brief  HAL State structures definition
45   */
46 typedef enum
47 {
48   HAL_SAI_STATE_RESET   = 0x00U, /*!< SAI not yet initialized or disabled  */
49   HAL_SAI_STATE_READY   = 0x01U, /*!< SAI initialized and ready for use    */
50   HAL_SAI_STATE_BUSY    = 0x02U, /*!< SAI internal process is ongoing      */
51   HAL_SAI_STATE_BUSY_TX = 0x12U, /*!< Data transmission process is ongoing */
52   HAL_SAI_STATE_BUSY_RX = 0x22U, /*!< Data reception process is ongoing    */
53 } HAL_SAI_StateTypeDef;
54 
55 /**
56   * @brief  SAI Callback prototype
57   */
58 typedef void (*SAIcallback)(void);
59 
60 /** @defgroup SAI_PDM_Structure_definition SAI PDM Structure definition
61   * @brief  SAI PDM Init structure definition
62   * @{
63   */
64 typedef struct
65 {
66   FunctionalState  Activation;  /*!< Enable/disable PDM interface */
67   uint32_t         MicPairsNbr; /*!< Specifies the number of microphone pairs used.
68                                      This parameter must be a number between Min_Data = 1 and Max_Data = 3. */
69   uint32_t         ClockEnable; /*!< Specifies which clock must be enabled.
70                                      This parameter can be a values combination of @ref SAI_PDM_ClockEnable */
71 } SAI_PdmInitTypeDef;
72 /**
73   * @}
74   */
75 
76 /** @defgroup SAI_Init_Structure_definition SAI Init Structure definition
77   * @brief  SAI Init Structure definition
78   * @{
79   */
80 typedef struct
81 {
82   uint32_t AudioMode;           /*!< Specifies the SAI Block audio Mode.
83                                      This parameter can be a value of @ref SAI_Block_Mode */
84 
85   uint32_t Synchro;             /*!< Specifies SAI Block synchronization
86                                      This parameter can be a value of @ref SAI_Block_Synchronization */
87 
88   uint32_t SynchroExt;          /*!< Specifies SAI external output synchronization, this setup is common
89                                      for BlockA and BlockB
90                                      This parameter can be a value of @ref SAI_Block_SyncExt
91                                      @note If both audio blocks of same SAI are used, this parameter has
92                                            to be set to the same value for each audio block */
93 
94   uint32_t MckOutput;           /*!< Specifies whether master clock output will be generated or not.
95                                      This parameter can be a value of @ref SAI_Block_MckOutput */
96 
97   uint32_t OutputDrive;         /*!< Specifies when SAI Block outputs are driven.
98                                      This parameter can be a value of @ref SAI_Block_Output_Drive
99                                      @note This value has to be set before enabling the audio block
100                                            but after the audio block configuration. */
101 
102   uint32_t NoDivider;           /*!< Specifies whether master clock will be divided or not.
103                                      This parameter can be a value of @ref SAI_Block_NoDivider
104                                      @note If bit NODIV in the SAI_xCR1 register is cleared, the frame length
105                                            should be aligned to a number equal to a power of 2, from 8 to 256.
106                                            If bit NODIV in the SAI_xCR1 register is set, the frame length can
107                                            take any of the values from 8 to 256. */
108 
109   uint32_t FIFOThreshold;       /*!< Specifies SAI Block FIFO threshold.
110                                      This parameter can be a value of @ref SAI_Block_Fifo_Threshold */
111 
112   uint32_t AudioFrequency;      /*!< Specifies the audio frequency sampling.
113                                      This parameter can be a value of @ref SAI_Audio_Frequency */
114 
115   uint32_t Mckdiv;              /*!< Specifies the master clock divider.
116                                      This parameter must be a number between Min_Data = 0 and Max_Data = 63.
117                                      @note This parameter is used only if AudioFrequency is set to
118                                            SAI_AUDIO_FREQUENCY_MCKDIV otherwise it is internally computed. */
119 
120   uint32_t MckOverSampling;     /*!< Specifies the master clock oversampling.
121                                      This parameter can be a value of @ref SAI_Block_Mck_OverSampling */
122 
123   uint32_t MonoStereoMode;      /*!< Specifies if the mono or stereo mode is selected.
124                                      This parameter can be a value of @ref SAI_Mono_Stereo_Mode */
125 
126   uint32_t CompandingMode;      /*!< Specifies the companding mode type.
127                                      This parameter can be a value of @ref SAI_Block_Companding_Mode */
128 
129   uint32_t TriState;            /*!< Specifies the companding mode type.
130                                      This parameter can be a value of @ref SAI_TRIState_Management */
131 
132   SAI_PdmInitTypeDef PdmInit;   /*!< Specifies the PDM configuration. */
133 
134   /* This part of the structure is automatically filled if your are using the high level initialisation
135      function HAL_SAI_InitProtocol */
136 
137   uint32_t Protocol;        /*!< Specifies the SAI Block protocol.
138                                  This parameter can be a value of @ref SAI_Block_Protocol */
139 
140   uint32_t DataSize;        /*!< Specifies the SAI Block data size.
141                                  This parameter can be a value of @ref SAI_Block_Data_Size */
142 
143   uint32_t FirstBit;        /*!< Specifies whether data transfers start from MSB or LSB bit.
144                                  This parameter can be a value of @ref SAI_Block_MSB_LSB_transmission */
145 
146   uint32_t ClockStrobing;   /*!< Specifies the SAI Block clock strobing edge sensitivity.
147                                  This parameter can be a value of @ref SAI_Block_Clock_Strobing */
148 } SAI_InitTypeDef;
149 /**
150   * @}
151   */
152 
153 /** @defgroup SAI_Frame_Structure_definition SAI Frame Structure definition
154   * @brief  SAI Frame Init structure definition
155   * @note   For SPDIF and AC97 protocol, these parameters are not used (set by hardware).
156   * @{
157   */
158 typedef struct
159 {
160 
161   uint32_t FrameLength;        /*!< Specifies the Frame length, the number of SCK clocks for each audio frame.
162                                     This parameter must be a number between Min_Data = 8 and Max_Data = 256.
163                                     @note If master clock MCLK_x pin is declared as an output, the frame length
164                                           should be aligned to a number equal to power of 2 in order to keep
165                                           in an audio frame, an integer number of MCLK pulses by bit Clock. */
166 
167   uint32_t ActiveFrameLength;  /*!< Specifies the Frame synchronization active level length.
168                                     This Parameter specifies the length in number of bit clock (SCK + 1)
169                                     of the active level of FS signal in audio frame.
170                                     This parameter must be a number between Min_Data = 1 and Max_Data = 128 */
171 
172   uint32_t FSDefinition;       /*!< Specifies the Frame synchronization definition.
173                                     This parameter can be a value of @ref SAI_Block_FS_Definition */
174 
175   uint32_t FSPolarity;         /*!< Specifies the Frame synchronization Polarity.
176                                     This parameter can be a value of @ref SAI_Block_FS_Polarity */
177 
178   uint32_t FSOffset;           /*!< Specifies the Frame synchronization Offset.
179                                     This parameter can be a value of @ref SAI_Block_FS_Offset */
180 
181 } SAI_FrameInitTypeDef;
182 /**
183   * @}
184   */
185 
186 /** @defgroup SAI_Slot_Structure_definition SAI Slot Structure definition
187   * @brief   SAI Block Slot Init Structure definition
188   * @note    For SPDIF protocol, these parameters are not used (set by hardware).
189   * @note    For AC97 protocol, only SlotActive parameter is used (the others are set by hardware).
190   * @{
191   */
192 typedef struct
193 {
194   uint32_t FirstBitOffset;  /*!< Specifies the position of first data transfer bit in the slot.
195                                  This parameter must be a number between Min_Data = 0 and Max_Data = 24 */
196 
197   uint32_t SlotSize;        /*!< Specifies the Slot Size.
198                                  This parameter can be a value of @ref SAI_Block_Slot_Size */
199 
200   uint32_t SlotNumber;      /*!< Specifies the number of slot in the audio frame.
201                                  This parameter must be a number between Min_Data = 1 and Max_Data = 16 */
202 
203   uint32_t SlotActive;      /*!< Specifies the slots in audio frame that will be activated.
204                                  This parameter can be a value of @ref SAI_Block_Slot_Active */
205 } SAI_SlotInitTypeDef;
206 /**
207   * @}
208   */
209 
210 /** @defgroup SAI_Handle_Structure_definition SAI Handle Structure definition
211   * @brief  SAI handle Structure definition
212   * @{
213   */
214 typedef struct __SAI_HandleTypeDef
215 {
216   SAI_Block_TypeDef         *Instance;    /*!< SAI Blockx registers base address */
217 
218   SAI_InitTypeDef           Init;         /*!< SAI communication parameters */
219 
220   SAI_FrameInitTypeDef      FrameInit;    /*!< SAI Frame configuration parameters */
221 
222   SAI_SlotInitTypeDef       SlotInit;     /*!< SAI Slot configuration parameters */
223 
224   uint8_t                  *pBuffPtr;     /*!< Pointer to SAI transfer Buffer */
225 
226   uint16_t                  XferSize;     /*!< SAI transfer size */
227 
228   uint16_t                  XferCount;    /*!< SAI transfer counter */
229 
230   DMA_HandleTypeDef         *hdmatx;      /*!< SAI Tx DMA handle parameters */
231 
232   DMA_HandleTypeDef         *hdmarx;      /*!< SAI Rx DMA handle parameters */
233 
234   SAIcallback               mutecallback; /*!< SAI mute callback */
235 
236   void (*InterruptServiceRoutine)(struct __SAI_HandleTypeDef *hsai); /* function pointer for IRQ handler */
237 
238   HAL_LockTypeDef           Lock;         /*!< SAI locking object */
239 
240   __IO HAL_SAI_StateTypeDef State;        /*!< SAI communication state */
241 
242   __IO uint32_t             ErrorCode;    /*!< SAI Error code */
243 
244 #if (USE_HAL_SAI_REGISTER_CALLBACKS == 1)
245   void (*RxCpltCallback)(struct __SAI_HandleTypeDef *hsai);      /*!< SAI receive complete callback */
246   void (*RxHalfCpltCallback)(struct __SAI_HandleTypeDef *hsai);  /*!< SAI receive half complete callback */
247   void (*TxCpltCallback)(struct __SAI_HandleTypeDef *hsai);      /*!< SAI transmit complete callback */
248   void (*TxHalfCpltCallback)(struct __SAI_HandleTypeDef *hsai);  /*!< SAI transmit half complete callback */
249   void (*ErrorCallback)(struct __SAI_HandleTypeDef *hsai);       /*!< SAI error callback */
250   void (*MspInitCallback)(struct __SAI_HandleTypeDef *hsai);     /*!< SAI MSP init callback */
251   void (*MspDeInitCallback)(struct __SAI_HandleTypeDef *hsai);   /*!< SAI MSP de-init callback */
252 #endif /* USE_HAL_SAI_REGISTER_CALLBACKS */
253 } SAI_HandleTypeDef;
254 /**
255   * @}
256   */
257 
258 #if (USE_HAL_SAI_REGISTER_CALLBACKS == 1)
259 /**
260   * @brief  SAI callback ID enumeration definition
261   */
262 typedef enum
263 {
264   HAL_SAI_RX_COMPLETE_CB_ID     = 0x00U, /*!< SAI receive complete callback ID */
265   HAL_SAI_RX_HALFCOMPLETE_CB_ID = 0x01U, /*!< SAI receive half complete callback ID */
266   HAL_SAI_TX_COMPLETE_CB_ID     = 0x02U, /*!< SAI transmit complete callback ID */
267   HAL_SAI_TX_HALFCOMPLETE_CB_ID = 0x03U, /*!< SAI transmit half complete callback ID */
268   HAL_SAI_ERROR_CB_ID           = 0x04U, /*!< SAI error callback ID */
269   HAL_SAI_MSPINIT_CB_ID         = 0x05U, /*!< SAI MSP init callback ID */
270   HAL_SAI_MSPDEINIT_CB_ID       = 0x06U  /*!< SAI MSP de-init callback ID */
271 } HAL_SAI_CallbackIDTypeDef;
272 
273 /**
274   * @brief  SAI callback pointer definition
275   */
276 typedef void (*pSAI_CallbackTypeDef)(SAI_HandleTypeDef *hsai);
277 #endif /* USE_HAL_SAI_REGISTER_CALLBACKS */
278 
279 /**
280   * @}
281   */
282 
283 /* Exported constants --------------------------------------------------------*/
284 /** @defgroup SAI_Exported_Constants SAI Exported Constants
285   * @{
286   */
287 
288 /** @defgroup SAI_Error_Code SAI Error Code
289   * @{
290   */
291 #define HAL_SAI_ERROR_NONE             0x00000000U  /*!< No error */
292 #define HAL_SAI_ERROR_OVR              0x00000001U  /*!< Overrun Error */
293 #define HAL_SAI_ERROR_UDR              0x00000002U  /*!< Underrun error */
294 #define HAL_SAI_ERROR_AFSDET           0x00000004U  /*!< Anticipated Frame synchronisation detection */
295 #define HAL_SAI_ERROR_LFSDET           0x00000008U  /*!< Late Frame synchronisation detection */
296 #define HAL_SAI_ERROR_CNREADY          0x00000010U  /*!< codec not ready */
297 #define HAL_SAI_ERROR_WCKCFG           0x00000020U  /*!< Wrong clock configuration */
298 #define HAL_SAI_ERROR_TIMEOUT          0x00000040U  /*!< Timeout error */
299 #define HAL_SAI_ERROR_DMA              0x00000080U  /*!< DMA error */
300 #if (USE_HAL_SAI_REGISTER_CALLBACKS == 1)
301 #define HAL_SAI_ERROR_INVALID_CALLBACK 0x00000100U  /*!< Invalid callback error */
302 #endif /* USE_HAL_SAI_REGISTER_CALLBACKS */
303 /**
304   * @}
305   */
306 
307 /** @defgroup SAI_Block_SyncExt SAI External synchronisation
308   * @{
309   */
310 #define SAI_SYNCEXT_DISABLE          0U
311 #define SAI_SYNCEXT_OUTBLOCKA_ENABLE 1U
312 #define SAI_SYNCEXT_OUTBLOCKB_ENABLE 2U
313 /**
314   * @}
315   */
316 
317 /** @defgroup SAI_Block_MckOutput SAI Block Master Clock Output
318   * @{
319   */
320 #define SAI_MCK_OUTPUT_DISABLE      0x00000000U
321 #define SAI_MCK_OUTPUT_ENABLE       SAI_xCR1_MCKEN
322 /**
323   * @}
324   */
325 
326 /** @defgroup SAI_Protocol SAI Supported protocol
327   * @{
328   */
329 #define SAI_I2S_STANDARD      0U
330 #define SAI_I2S_MSBJUSTIFIED  1U
331 #define SAI_I2S_LSBJUSTIFIED  2U
332 #define SAI_PCM_LONG          3U
333 #define SAI_PCM_SHORT         4U
334 /**
335   * @}
336   */
337 
338 /** @defgroup SAI_Protocol_DataSize SAI protocol data size
339   * @{
340   */
341 #define SAI_PROTOCOL_DATASIZE_16BIT         0U
342 #define SAI_PROTOCOL_DATASIZE_16BITEXTENDED 1U
343 #define SAI_PROTOCOL_DATASIZE_24BIT         2U
344 #define SAI_PROTOCOL_DATASIZE_32BIT         3U
345 /**
346   * @}
347   */
348 
349 /** @defgroup SAI_Audio_Frequency SAI Audio Frequency
350   * @{
351   */
352 #define SAI_AUDIO_FREQUENCY_192K          192000U
353 #define SAI_AUDIO_FREQUENCY_96K           96000U
354 #define SAI_AUDIO_FREQUENCY_48K           48000U
355 #define SAI_AUDIO_FREQUENCY_44K           44100U
356 #define SAI_AUDIO_FREQUENCY_32K           32000U
357 #define SAI_AUDIO_FREQUENCY_22K           22050U
358 #define SAI_AUDIO_FREQUENCY_16K           16000U
359 #define SAI_AUDIO_FREQUENCY_11K           11025U
360 #define SAI_AUDIO_FREQUENCY_8K            8000U
361 #define SAI_AUDIO_FREQUENCY_MCKDIV        0U
362 /**
363   * @}
364   */
365 
366 /** @defgroup SAI_Block_Mck_OverSampling SAI Block Master Clock OverSampling
367   * @{
368   */
369 #define SAI_MCK_OVERSAMPLING_DISABLE      0x00000000U
370 #define SAI_MCK_OVERSAMPLING_ENABLE       SAI_xCR1_OSR
371 /**
372   * @}
373   */
374 
375 /** @defgroup SAI_PDM_ClockEnable SAI PDM Clock Enable
376   * @{
377   */
378 #define SAI_PDM_CLOCK1_ENABLE     SAI_PDMCR_CKEN1
379 #define SAI_PDM_CLOCK2_ENABLE     SAI_PDMCR_CKEN2
380 /**
381   * @}
382   */
383 
384 /** @defgroup SAI_Block_Mode SAI Block Mode
385   * @{
386   */
387 #define SAI_MODEMASTER_TX         0x00000000U
388 #define SAI_MODEMASTER_RX         SAI_xCR1_MODE_0
389 #define SAI_MODESLAVE_TX          SAI_xCR1_MODE_1
390 #define SAI_MODESLAVE_RX          (SAI_xCR1_MODE_1 | SAI_xCR1_MODE_0)
391 
392 /**
393   * @}
394   */
395 
396 /** @defgroup SAI_Block_Protocol SAI Block Protocol
397   * @{
398   */
399 #define SAI_FREE_PROTOCOL                 0x00000000U
400 #define SAI_SPDIF_PROTOCOL                SAI_xCR1_PRTCFG_0
401 #define SAI_AC97_PROTOCOL                 SAI_xCR1_PRTCFG_1
402 /**
403   * @}
404   */
405 
406 /** @defgroup SAI_Block_Data_Size SAI Block Data Size
407   * @{
408   */
409 #define SAI_DATASIZE_8     SAI_xCR1_DS_1
410 #define SAI_DATASIZE_10    (SAI_xCR1_DS_1 | SAI_xCR1_DS_0)
411 #define SAI_DATASIZE_16    SAI_xCR1_DS_2
412 #define SAI_DATASIZE_20    (SAI_xCR1_DS_2 | SAI_xCR1_DS_0)
413 #define SAI_DATASIZE_24    (SAI_xCR1_DS_2 | SAI_xCR1_DS_1)
414 #define SAI_DATASIZE_32    (SAI_xCR1_DS_2 | SAI_xCR1_DS_1 | SAI_xCR1_DS_0)
415 /**
416   * @}
417   */
418 
419 /** @defgroup SAI_Block_MSB_LSB_transmission SAI Block MSB LSB transmission
420   * @{
421   */
422 #define SAI_FIRSTBIT_MSB                  0x00000000U
423 #define SAI_FIRSTBIT_LSB                  SAI_xCR1_LSBFIRST
424 /**
425   * @}
426   */
427 
428 /** @defgroup SAI_Block_Clock_Strobing SAI Block Clock Strobing
429   * @{
430   */
431 #define SAI_CLOCKSTROBING_FALLINGEDGE     0U
432 #define SAI_CLOCKSTROBING_RISINGEDGE      1U
433 /**
434   * @}
435   */
436 
437 /** @defgroup SAI_Block_Synchronization SAI Block Synchronization
438   * @{
439   */
440 #define SAI_ASYNCHRONOUS                  0U /*!< Asynchronous */
441 #define SAI_SYNCHRONOUS                   1U /*!< Synchronous with other block of same SAI */
442 #define SAI_SYNCHRONOUS_EXT_SAI1          2U /*!< Synchronous with other SAI, SAI1 */
443 #define SAI_SYNCHRONOUS_EXT_SAI2          3U /*!< Synchronous with other SAI, SAI2 */
444 /**
445   * @}
446   */
447 
448 /** @defgroup SAI_Block_Output_Drive SAI Block Output Drive
449   * @{
450   */
451 #define SAI_OUTPUTDRIVE_DISABLE          0x00000000U
452 #define SAI_OUTPUTDRIVE_ENABLE           SAI_xCR1_OUTDRIV
453 /**
454   * @}
455   */
456 
457 /** @defgroup SAI_Block_NoDivider SAI Block NoDivider
458   * @{
459   */
460 #define SAI_MASTERDIVIDER_ENABLE         0x00000000U
461 #define SAI_MASTERDIVIDER_DISABLE        SAI_xCR1_NODIV
462 /**
463   * @}
464   */
465 
466 /** @defgroup SAI_Block_FS_Definition SAI Block FS Definition
467   * @{
468   */
469 #define SAI_FS_STARTFRAME                 0x00000000U
470 #define SAI_FS_CHANNEL_IDENTIFICATION     SAI_xFRCR_FSDEF
471 /**
472   * @}
473   */
474 
475 /** @defgroup SAI_Block_FS_Polarity SAI Block FS Polarity
476   * @{
477   */
478 #define SAI_FS_ACTIVE_LOW                  0x00000000U
479 #define SAI_FS_ACTIVE_HIGH                 SAI_xFRCR_FSPOL
480 /**
481   * @}
482   */
483 
484 /** @defgroup SAI_Block_FS_Offset SAI Block FS Offset
485   * @{
486   */
487 #define SAI_FS_FIRSTBIT                   0x00000000U
488 #define SAI_FS_BEFOREFIRSTBIT             SAI_xFRCR_FSOFF
489 /**
490   * @}
491   */
492 
493 /** @defgroup SAI_Block_Slot_Size SAI Block Slot Size
494   * @{
495   */
496 #define SAI_SLOTSIZE_DATASIZE             0x00000000U
497 #define SAI_SLOTSIZE_16B                  SAI_xSLOTR_SLOTSZ_0
498 #define SAI_SLOTSIZE_32B                  SAI_xSLOTR_SLOTSZ_1
499 /**
500   * @}
501   */
502 
503 /** @defgroup SAI_Block_Slot_Active SAI Block Slot Active
504   * @{
505   */
506 #define SAI_SLOT_NOTACTIVE           0x00000000U
507 #define SAI_SLOTACTIVE_0             0x00000001U
508 #define SAI_SLOTACTIVE_1             0x00000002U
509 #define SAI_SLOTACTIVE_2             0x00000004U
510 #define SAI_SLOTACTIVE_3             0x00000008U
511 #define SAI_SLOTACTIVE_4             0x00000010U
512 #define SAI_SLOTACTIVE_5             0x00000020U
513 #define SAI_SLOTACTIVE_6             0x00000040U
514 #define SAI_SLOTACTIVE_7             0x00000080U
515 #define SAI_SLOTACTIVE_8             0x00000100U
516 #define SAI_SLOTACTIVE_9             0x00000200U
517 #define SAI_SLOTACTIVE_10            0x00000400U
518 #define SAI_SLOTACTIVE_11            0x00000800U
519 #define SAI_SLOTACTIVE_12            0x00001000U
520 #define SAI_SLOTACTIVE_13            0x00002000U
521 #define SAI_SLOTACTIVE_14            0x00004000U
522 #define SAI_SLOTACTIVE_15            0x00008000U
523 #define SAI_SLOTACTIVE_ALL           0x0000FFFFU
524 /**
525   * @}
526   */
527 
528 /** @defgroup SAI_Mono_Stereo_Mode SAI Mono Stereo Mode
529   * @{
530   */
531 #define SAI_STEREOMODE               0x00000000U
532 #define SAI_MONOMODE                 SAI_xCR1_MONO
533 /**
534   * @}
535   */
536 
537 /** @defgroup SAI_TRIState_Management SAI TRIState Management
538   * @{
539   */
540 #define SAI_OUTPUT_NOTRELEASED    0x00000000U
541 #define SAI_OUTPUT_RELEASED       SAI_xCR2_TRIS
542 /**
543   * @}
544   */
545 
546 /** @defgroup SAI_Block_Fifo_Threshold SAI Block Fifo Threshold
547   * @{
548   */
549 #define SAI_FIFOTHRESHOLD_EMPTY  0x00000000U
550 #define SAI_FIFOTHRESHOLD_1QF    SAI_xCR2_FTH_0
551 #define SAI_FIFOTHRESHOLD_HF     SAI_xCR2_FTH_1
552 #define SAI_FIFOTHRESHOLD_3QF    (SAI_xCR2_FTH_1 | SAI_xCR2_FTH_0)
553 #define SAI_FIFOTHRESHOLD_FULL   SAI_xCR2_FTH_2
554 /**
555   * @}
556   */
557 
558 /** @defgroup SAI_Block_Companding_Mode SAI Block Companding Mode
559   * @{
560   */
561 #define SAI_NOCOMPANDING                 0x00000000U
562 #define SAI_ULAW_1CPL_COMPANDING         SAI_xCR2_COMP_1
563 #define SAI_ALAW_1CPL_COMPANDING         (SAI_xCR2_COMP_1 | SAI_xCR2_COMP_0)
564 #define SAI_ULAW_2CPL_COMPANDING         (SAI_xCR2_COMP_1 | SAI_xCR2_CPL)
565 #define SAI_ALAW_2CPL_COMPANDING         (SAI_xCR2_COMP_1 | SAI_xCR2_COMP_0 | SAI_xCR2_CPL)
566 /**
567   * @}
568   */
569 
570 /** @defgroup SAI_Block_Mute_Value SAI Block Mute Value
571   * @{
572   */
573 #define SAI_ZERO_VALUE                     0x00000000U
574 #define SAI_LAST_SENT_VALUE                SAI_xCR2_MUTEVAL
575 /**
576   * @}
577   */
578 
579 /** @defgroup SAI_Block_Interrupts_Definition SAI Block Interrupts Definition
580   * @{
581   */
582 #define SAI_IT_OVRUDR                     SAI_xIMR_OVRUDRIE
583 #define SAI_IT_MUTEDET                    SAI_xIMR_MUTEDETIE
584 #define SAI_IT_WCKCFG                     SAI_xIMR_WCKCFGIE
585 #define SAI_IT_FREQ                       SAI_xIMR_FREQIE
586 #define SAI_IT_CNRDY                      SAI_xIMR_CNRDYIE
587 #define SAI_IT_AFSDET                     SAI_xIMR_AFSDETIE
588 #define SAI_IT_LFSDET                     SAI_xIMR_LFSDETIE
589 /**
590   * @}
591   */
592 
593 /** @defgroup SAI_Block_Flags_Definition  SAI Block Flags Definition
594   * @{
595   */
596 #define SAI_FLAG_OVRUDR                   SAI_xSR_OVRUDR
597 #define SAI_FLAG_MUTEDET                  SAI_xSR_MUTEDET
598 #define SAI_FLAG_WCKCFG                   SAI_xSR_WCKCFG
599 #define SAI_FLAG_FREQ                     SAI_xSR_FREQ
600 #define SAI_FLAG_CNRDY                    SAI_xSR_CNRDY
601 #define SAI_FLAG_AFSDET                   SAI_xSR_AFSDET
602 #define SAI_FLAG_LFSDET                   SAI_xSR_LFSDET
603 /**
604   * @}
605   */
606 
607 /** @defgroup SAI_Block_Fifo_Status_Level   SAI Block Fifo Status Level
608   * @{
609   */
610 #define SAI_FIFOSTATUS_EMPTY              0x00000000U
611 #define SAI_FIFOSTATUS_LESS1QUARTERFULL   0x00010000U
612 #define SAI_FIFOSTATUS_1QUARTERFULL       0x00020000U
613 #define SAI_FIFOSTATUS_HALFFULL           0x00030000U
614 #define SAI_FIFOSTATUS_3QUARTERFULL       0x00040000U
615 #define SAI_FIFOSTATUS_FULL               0x00050000U
616 /**
617   * @}
618   */
619 
620 /**
621   * @}
622   */
623 
624 /* Exported macro ------------------------------------------------------------*/
625 /** @defgroup SAI_Exported_Macros SAI Exported Macros
626   * @brief macros to handle interrupts and specific configurations
627   * @{
628   */
629 
630 /** @brief Reset SAI handle state.
631   * @param  __HANDLE__ specifies the SAI Handle.
632   * @retval None
633   */
634 #if (USE_HAL_SAI_REGISTER_CALLBACKS == 1)
635 #define __HAL_SAI_RESET_HANDLE_STATE(__HANDLE__) do{                                            \
636                                                      (__HANDLE__)->State = HAL_SAI_STATE_RESET; \
637                                                      (__HANDLE__)->MspInitCallback = NULL;      \
638                                                      (__HANDLE__)->MspDeInitCallback = NULL;    \
639                                                    } while(0)
640 #else
641 #define __HAL_SAI_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_SAI_STATE_RESET)
642 #endif /* USE_HAL_SAI_REGISTER_CALLBACKS */
643 
644 /** @brief  Enable the specified SAI interrupts.
645   * @param  __HANDLE__ specifies the SAI Handle.
646   * @param  __INTERRUPT__ specifies the interrupt source to enable or disable.
647   *         This parameter can be one of the following values:
648   *            @arg SAI_IT_OVRUDR: Overrun underrun interrupt enable
649   *            @arg SAI_IT_MUTEDET: Mute detection interrupt enable
650   *            @arg SAI_IT_WCKCFG: Wrong Clock Configuration interrupt enable
651   *            @arg SAI_IT_FREQ: FIFO request interrupt enable
652   *            @arg SAI_IT_CNRDY: Codec not ready interrupt enable
653   *            @arg SAI_IT_AFSDET: Anticipated frame synchronization detection interrupt enable
654   *            @arg SAI_IT_LFSDET: Late frame synchronization detection interrupt enable
655   * @retval None
656   */
657 #define __HAL_SAI_ENABLE_IT(__HANDLE__, __INTERRUPT__)   ((__HANDLE__)->Instance->IMR |= (__INTERRUPT__))
658 
659 /** @brief  Disable the specified SAI interrupts.
660   * @param  __HANDLE__ specifies the SAI Handle.
661   * @param  __INTERRUPT__ specifies the interrupt source to enable or disable.
662   *         This parameter can be one of the following values:
663   *            @arg SAI_IT_OVRUDR: Overrun underrun interrupt enable
664   *            @arg SAI_IT_MUTEDET: Mute detection interrupt enable
665   *            @arg SAI_IT_WCKCFG: Wrong Clock Configuration interrupt enable
666   *            @arg SAI_IT_FREQ: FIFO request interrupt enable
667   *            @arg SAI_IT_CNRDY: Codec not ready interrupt enable
668   *            @arg SAI_IT_AFSDET: Anticipated frame synchronization detection interrupt enable
669   *            @arg SAI_IT_LFSDET: Late frame synchronization detection interrupt enable
670   * @retval None
671   */
672 #define __HAL_SAI_DISABLE_IT(__HANDLE__, __INTERRUPT__)  ((__HANDLE__)->Instance->IMR &= (~(__INTERRUPT__)))
673 
674 /** @brief  Check whether the specified SAI interrupt source is enabled or not.
675   * @param  __HANDLE__ specifies the SAI Handle.
676   * @param  __INTERRUPT__ specifies the SAI interrupt source to check.
677   *         This parameter can be one of the following values:
678   *            @arg SAI_IT_OVRUDR: Overrun underrun interrupt enable
679   *            @arg SAI_IT_MUTEDET: Mute detection interrupt enable
680   *            @arg SAI_IT_WCKCFG: Wrong Clock Configuration interrupt enable
681   *            @arg SAI_IT_FREQ: FIFO request interrupt enable
682   *            @arg SAI_IT_CNRDY: Codec not ready interrupt enable
683   *            @arg SAI_IT_AFSDET: Anticipated frame synchronization detection interrupt enable
684   *            @arg SAI_IT_LFSDET: Late frame synchronization detection interrupt enable
685   * @retval The new state of __INTERRUPT__ (TRUE or FALSE).
686   */
687 #define __HAL_SAI_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->IMR\
688                                                               & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)
689 
690 /** @brief  Check whether the specified SAI flag is set or not.
691   * @param  __HANDLE__ specifies the SAI Handle.
692   * @param  __FLAG__ specifies the flag to check.
693   *         This parameter can be one of the following values:
694   *            @arg SAI_FLAG_OVRUDR: Overrun underrun flag.
695   *            @arg SAI_FLAG_MUTEDET: Mute detection flag.
696   *            @arg SAI_FLAG_WCKCFG: Wrong Clock Configuration flag.
697   *            @arg SAI_FLAG_FREQ: FIFO request flag.
698   *            @arg SAI_FLAG_CNRDY: Codec not ready flag.
699   *            @arg SAI_FLAG_AFSDET: Anticipated frame synchronization detection flag.
700   *            @arg SAI_FLAG_LFSDET: Late frame synchronization detection flag.
701   * @retval The new state of __FLAG__ (TRUE or FALSE).
702   */
703 #define __HAL_SAI_GET_FLAG(__HANDLE__, __FLAG__) ((((__HANDLE__)->Instance->SR) & (__FLAG__)) == (__FLAG__))
704 
705 /** @brief  Clear the specified SAI pending flag.
706   * @param  __HANDLE__ specifies the SAI Handle.
707   * @param  __FLAG__ specifies the flag to check.
708   *          This parameter can be any combination of the following values:
709   *            @arg SAI_FLAG_OVRUDR: Clear Overrun underrun
710   *            @arg SAI_FLAG_MUTEDET: Clear Mute detection
711   *            @arg SAI_FLAG_WCKCFG: Clear Wrong Clock Configuration
712   *            @arg SAI_FLAG_FREQ: Clear FIFO request
713   *            @arg SAI_FLAG_CNRDY: Clear Codec not ready
714   *            @arg SAI_FLAG_AFSDET: Clear Anticipated frame synchronization detection
715   *            @arg SAI_FLAG_LFSDET: Clear Late frame synchronization detection
716   *
717   * @retval None
718   */
719 #define __HAL_SAI_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->CLRFR = (__FLAG__))
720 
721 /** @brief  Enable SAI.
722   * @param  __HANDLE__ specifies the SAI Handle.
723   * @retval None
724   */
725 #define __HAL_SAI_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 |=  SAI_xCR1_SAIEN)
726 
727 /** @brief  Disable SAI.
728   * @param  __HANDLE__ specifies the SAI Handle.
729   * @retval None
730   */
731 #define __HAL_SAI_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 &=  ~SAI_xCR1_SAIEN)
732 
733 /**
734   * @}
735   */
736 
737 /* Include SAI HAL Extension module */
738 #include "stm32g4xx_hal_sai_ex.h"
739 
740 /* Exported functions --------------------------------------------------------*/
741 /** @addtogroup SAI_Exported_Functions
742   * @{
743   */
744 
745 /* Initialization/de-initialization functions  ********************************/
746 /** @addtogroup SAI_Exported_Functions_Group1
747   * @{
748   */
749 HAL_StatusTypeDef HAL_SAI_InitProtocol(SAI_HandleTypeDef *hsai, uint32_t protocol, uint32_t datasize, uint32_t nbslot);
750 HAL_StatusTypeDef HAL_SAI_Init(SAI_HandleTypeDef *hsai);
751 HAL_StatusTypeDef HAL_SAI_DeInit(SAI_HandleTypeDef *hsai);
752 void HAL_SAI_MspInit(SAI_HandleTypeDef *hsai);
753 void HAL_SAI_MspDeInit(SAI_HandleTypeDef *hsai);
754 
755 #if (USE_HAL_SAI_REGISTER_CALLBACKS == 1)
756 /* SAI callbacks register/unregister functions ********************************/
757 HAL_StatusTypeDef HAL_SAI_RegisterCallback(SAI_HandleTypeDef        *hsai,
758                                            HAL_SAI_CallbackIDTypeDef CallbackID,
759                                            pSAI_CallbackTypeDef      pCallback);
760 HAL_StatusTypeDef HAL_SAI_UnRegisterCallback(SAI_HandleTypeDef        *hsai,
761                                              HAL_SAI_CallbackIDTypeDef CallbackID);
762 #endif /* USE_HAL_SAI_REGISTER_CALLBACKS */
763 /**
764   * @}
765   */
766 
767 /* I/O operation functions  ***************************************************/
768 /** @addtogroup SAI_Exported_Functions_Group2
769   * @{
770   */
771 /* Blocking mode: Polling */
772 HAL_StatusTypeDef HAL_SAI_Transmit(SAI_HandleTypeDef *hsai, uint8_t *pData, uint16_t Size, uint32_t Timeout);
773 HAL_StatusTypeDef HAL_SAI_Receive(SAI_HandleTypeDef *hsai, uint8_t *pData, uint16_t Size, uint32_t Timeout);
774 
775 /* Non-Blocking mode: Interrupt */
776 HAL_StatusTypeDef HAL_SAI_Transmit_IT(SAI_HandleTypeDef *hsai, uint8_t *pData, uint16_t Size);
777 HAL_StatusTypeDef HAL_SAI_Receive_IT(SAI_HandleTypeDef *hsai, uint8_t *pData, uint16_t Size);
778 
779 /* Non-Blocking mode: DMA */
780 HAL_StatusTypeDef HAL_SAI_Transmit_DMA(SAI_HandleTypeDef *hsai, uint8_t *pData, uint16_t Size);
781 HAL_StatusTypeDef HAL_SAI_Receive_DMA(SAI_HandleTypeDef *hsai, uint8_t *pData, uint16_t Size);
782 HAL_StatusTypeDef HAL_SAI_DMAPause(SAI_HandleTypeDef *hsai);
783 HAL_StatusTypeDef HAL_SAI_DMAResume(SAI_HandleTypeDef *hsai);
784 HAL_StatusTypeDef HAL_SAI_DMAStop(SAI_HandleTypeDef *hsai);
785 
786 /* Abort function */
787 HAL_StatusTypeDef HAL_SAI_Abort(SAI_HandleTypeDef *hsai);
788 
789 /* Mute management */
790 HAL_StatusTypeDef HAL_SAI_EnableTxMuteMode(SAI_HandleTypeDef *hsai, uint16_t val);
791 HAL_StatusTypeDef HAL_SAI_DisableTxMuteMode(SAI_HandleTypeDef *hsai);
792 HAL_StatusTypeDef HAL_SAI_EnableRxMuteMode(SAI_HandleTypeDef *hsai, SAIcallback callback, uint16_t counter);
793 HAL_StatusTypeDef HAL_SAI_DisableRxMuteMode(SAI_HandleTypeDef *hsai);
794 
795 /* SAI IRQHandler and Callbacks used in non blocking modes (Interrupt and DMA) */
796 void HAL_SAI_IRQHandler(SAI_HandleTypeDef *hsai);
797 void HAL_SAI_TxHalfCpltCallback(SAI_HandleTypeDef *hsai);
798 void HAL_SAI_TxCpltCallback(SAI_HandleTypeDef *hsai);
799 void HAL_SAI_RxHalfCpltCallback(SAI_HandleTypeDef *hsai);
800 void HAL_SAI_RxCpltCallback(SAI_HandleTypeDef *hsai);
801 void HAL_SAI_ErrorCallback(SAI_HandleTypeDef *hsai);
802 /**
803   * @}
804   */
805 
806 /** @addtogroup SAI_Exported_Functions_Group3
807   * @{
808   */
809 /* Peripheral State functions  ************************************************/
810 HAL_SAI_StateTypeDef HAL_SAI_GetState(SAI_HandleTypeDef *hsai);
811 uint32_t HAL_SAI_GetError(SAI_HandleTypeDef *hsai);
812 /**
813   * @}
814   */
815 
816 /**
817   * @}
818   */
819 
820 /* Private macros ------------------------------------------------------------*/
821 /** @defgroup SAI_Private_Macros SAI Private Macros
822   * @{
823   */
824 #define IS_SAI_BLOCK_SYNCEXT(STATE) (((STATE) == SAI_SYNCEXT_DISABLE) ||\
825                                      ((STATE) == SAI_SYNCEXT_OUTBLOCKA_ENABLE) ||\
826                                      ((STATE) == SAI_SYNCEXT_OUTBLOCKB_ENABLE))
827 
828 #define IS_SAI_SUPPORTED_PROTOCOL(PROTOCOL)   (((PROTOCOL) == SAI_I2S_STANDARD)     ||\
829                                                ((PROTOCOL) == SAI_I2S_MSBJUSTIFIED) ||\
830                                                ((PROTOCOL) == SAI_I2S_LSBJUSTIFIED) ||\
831                                                ((PROTOCOL) == SAI_PCM_LONG)         ||\
832                                                ((PROTOCOL) == SAI_PCM_SHORT))
833 
834 #define IS_SAI_PROTOCOL_DATASIZE(DATASIZE)   (((DATASIZE) == SAI_PROTOCOL_DATASIZE_16BIT)         ||\
835                                               ((DATASIZE) == SAI_PROTOCOL_DATASIZE_16BITEXTENDED) ||\
836                                               ((DATASIZE) == SAI_PROTOCOL_DATASIZE_24BIT)         ||\
837                                               ((DATASIZE) == SAI_PROTOCOL_DATASIZE_32BIT))
838 
839 #define IS_SAI_AUDIO_FREQUENCY(AUDIO) (((AUDIO) == SAI_AUDIO_FREQUENCY_192K) || ((AUDIO) == SAI_AUDIO_FREQUENCY_96K) || \
840                                        ((AUDIO) == SAI_AUDIO_FREQUENCY_48K)  || ((AUDIO) == SAI_AUDIO_FREQUENCY_44K) || \
841                                        ((AUDIO) == SAI_AUDIO_FREQUENCY_32K)  || ((AUDIO) == SAI_AUDIO_FREQUENCY_22K) || \
842                                        ((AUDIO) == SAI_AUDIO_FREQUENCY_16K)  || ((AUDIO) == SAI_AUDIO_FREQUENCY_11K) || \
843                                        ((AUDIO) == SAI_AUDIO_FREQUENCY_8K)   || ((AUDIO) == SAI_AUDIO_FREQUENCY_MCKDIV))
844 
845 #define IS_SAI_BLOCK_MCK_OVERSAMPLING(VALUE) (((VALUE) == SAI_MCK_OVERSAMPLING_DISABLE) || \
846                                               ((VALUE) == SAI_MCK_OVERSAMPLING_ENABLE))
847 
848 #define IS_SAI_PDM_MIC_PAIRS_NUMBER(VALUE)   ((1U <= (VALUE)) && ((VALUE) <= 3U))
849 
850 #define IS_SAI_PDM_CLOCK_ENABLE(CLOCK) (((CLOCK) != 0U) && \
851                                         (((CLOCK) & ~(SAI_PDM_CLOCK1_ENABLE | SAI_PDM_CLOCK2_ENABLE)) == 0U))
852 
853 #define IS_SAI_BLOCK_MODE(MODE)  (((MODE) == SAI_MODEMASTER_TX) || \
854                                   ((MODE) == SAI_MODEMASTER_RX) || \
855                                   ((MODE) == SAI_MODESLAVE_TX)  || \
856                                   ((MODE) == SAI_MODESLAVE_RX))
857 
858 #define IS_SAI_BLOCK_PROTOCOL(PROTOCOL) (((PROTOCOL) == SAI_FREE_PROTOCOL)  || \
859                                          ((PROTOCOL) == SAI_AC97_PROTOCOL)  || \
860                                          ((PROTOCOL) == SAI_SPDIF_PROTOCOL))
861 
862 #define IS_SAI_BLOCK_DATASIZE(DATASIZE) (((DATASIZE) == SAI_DATASIZE_8)  || \
863                                          ((DATASIZE) == SAI_DATASIZE_10) || \
864                                          ((DATASIZE) == SAI_DATASIZE_16) || \
865                                          ((DATASIZE) == SAI_DATASIZE_20) || \
866                                          ((DATASIZE) == SAI_DATASIZE_24) || \
867                                          ((DATASIZE) == SAI_DATASIZE_32))
868 
869 #define IS_SAI_BLOCK_FIRST_BIT(BIT) (((BIT) == SAI_FIRSTBIT_MSB) || \
870                                      ((BIT) == SAI_FIRSTBIT_LSB))
871 
872 #define IS_SAI_BLOCK_CLOCK_STROBING(CLOCK) (((CLOCK) == SAI_CLOCKSTROBING_FALLINGEDGE) || \
873                                             ((CLOCK) == SAI_CLOCKSTROBING_RISINGEDGE))
874 
875 #define IS_SAI_BLOCK_SYNCHRO(SYNCHRO) (((SYNCHRO) == SAI_ASYNCHRONOUS)         || \
876                                        ((SYNCHRO) == SAI_SYNCHRONOUS)          || \
877                                        ((SYNCHRO) == SAI_SYNCHRONOUS_EXT_SAI1) || \
878                                        ((SYNCHRO) == SAI_SYNCHRONOUS_EXT_SAI2))
879 
880 #define IS_SAI_BLOCK_MCK_OUTPUT(VALUE) (((VALUE) == SAI_MCK_OUTPUT_ENABLE) || \
881                                         ((VALUE) == SAI_MCK_OUTPUT_DISABLE))
882 
883 #define IS_SAI_BLOCK_OUTPUT_DRIVE(DRIVE) (((DRIVE) == SAI_OUTPUTDRIVE_DISABLE) || \
884                                           ((DRIVE) == SAI_OUTPUTDRIVE_ENABLE))
885 
886 #define IS_SAI_BLOCK_NODIVIDER(NODIVIDER) (((NODIVIDER) == SAI_MASTERDIVIDER_ENABLE) || \
887                                            ((NODIVIDER) == SAI_MASTERDIVIDER_DISABLE))
888 
889 #define IS_SAI_BLOCK_MUTE_COUNTER(COUNTER) ((COUNTER) <= 63U)
890 
891 #define IS_SAI_BLOCK_MUTE_VALUE(VALUE)    (((VALUE) == SAI_ZERO_VALUE)     || \
892                                            ((VALUE) == SAI_LAST_SENT_VALUE))
893 
894 #define IS_SAI_BLOCK_COMPANDING_MODE(MODE)    (((MODE) == SAI_NOCOMPANDING)         || \
895                                                ((MODE) == SAI_ULAW_1CPL_COMPANDING) || \
896                                                ((MODE) == SAI_ALAW_1CPL_COMPANDING) || \
897                                                ((MODE) == SAI_ULAW_2CPL_COMPANDING) || \
898                                                ((MODE) == SAI_ALAW_2CPL_COMPANDING))
899 
900 #define IS_SAI_BLOCK_FIFO_THRESHOLD(THRESHOLD) (((THRESHOLD) == SAI_FIFOTHRESHOLD_EMPTY)   || \
901                                                 ((THRESHOLD) == SAI_FIFOTHRESHOLD_1QF)     || \
902                                                 ((THRESHOLD) == SAI_FIFOTHRESHOLD_HF)      || \
903                                                 ((THRESHOLD) == SAI_FIFOTHRESHOLD_3QF)     || \
904                                                 ((THRESHOLD) == SAI_FIFOTHRESHOLD_FULL))
905 
906 #define IS_SAI_BLOCK_TRISTATE_MANAGEMENT(STATE) (((STATE) == SAI_OUTPUT_NOTRELEASED) ||\
907                                                  ((STATE) == SAI_OUTPUT_RELEASED))
908 
909 #define IS_SAI_MONO_STEREO_MODE(MODE) (((MODE) == SAI_MONOMODE) ||\
910                                        ((MODE) == SAI_STEREOMODE))
911 
912 #define IS_SAI_SLOT_ACTIVE(ACTIVE)  ((ACTIVE) <= SAI_SLOTACTIVE_ALL)
913 
914 #define IS_SAI_BLOCK_SLOT_NUMBER(NUMBER) ((1U <= (NUMBER)) && ((NUMBER) <= 16U))
915 
916 #define IS_SAI_BLOCK_SLOT_SIZE(SIZE) (((SIZE) == SAI_SLOTSIZE_DATASIZE) || \
917                                       ((SIZE) == SAI_SLOTSIZE_16B)      || \
918                                       ((SIZE) == SAI_SLOTSIZE_32B))
919 
920 #define IS_SAI_BLOCK_FIRSTBIT_OFFSET(OFFSET) ((OFFSET) <= 24U)
921 
922 #define IS_SAI_BLOCK_FS_OFFSET(OFFSET) (((OFFSET) == SAI_FS_FIRSTBIT) || \
923                                         ((OFFSET) == SAI_FS_BEFOREFIRSTBIT))
924 
925 #define IS_SAI_BLOCK_FS_POLARITY(POLARITY) (((POLARITY) == SAI_FS_ACTIVE_LOW) || \
926                                             ((POLARITY) == SAI_FS_ACTIVE_HIGH))
927 
928 #define IS_SAI_BLOCK_FS_DEFINITION(DEFINITION) (((DEFINITION) == SAI_FS_STARTFRAME) || \
929                                                 ((DEFINITION) == SAI_FS_CHANNEL_IDENTIFICATION))
930 
931 #define IS_SAI_BLOCK_MASTER_DIVIDER(DIVIDER) ((DIVIDER) <= 63U)
932 
933 #define IS_SAI_BLOCK_FRAME_LENGTH(LENGTH) ((8U <= (LENGTH)) && ((LENGTH) <= 256U))
934 
935 #define IS_SAI_BLOCK_ACTIVE_FRAME(LENGTH) ((1U <= (LENGTH)) && ((LENGTH) <= 128U))
936 
937 /**
938   * @}
939   */
940 
941 /* Private functions ---------------------------------------------------------*/
942 /** @defgroup SAI_Private_Functions SAI Private Functions
943   * @{
944   */
945 
946 /**
947   * @}
948   */
949 
950 /**
951   * @}
952   */
953 
954 /**
955   * @}
956   */
957 
958 #ifdef __cplusplus
959 }
960 #endif
961 
962 #endif /* STM32G4xx_HAL_SAI_H */
963 
964