The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Dependents:   hello SerialTestv11 SerialTestv12 Sierpinski ... more

mbed 2

This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.

Revision:
171:3a7713b1edbc
Parent:
165:d1b4690b3f8b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TARGET_NUCLEO_L496ZG_P/TOOLCHAIN_ARM_STD/stm32l4xx_hal_sai.h	Thu Nov 08 11:45:42 2018 +0000
@@ -0,0 +1,917 @@
+/**
+  ******************************************************************************
+  * @file    stm32l4xx_hal_sai.h
+  * @author  MCD Application Team
+  * @brief   Header file of SAI HAL module.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
+  *
+  * Redistribution and use in source and binary forms, with or without modification,
+  * are permitted provided that the following conditions are met:
+  *   1. Redistributions of source code must retain the above copyright notice,
+  *      this list of conditions and the following disclaimer.
+  *   2. Redistributions in binary form must reproduce the above copyright notice,
+  *      this list of conditions and the following disclaimer in the documentation
+  *      and/or other materials provided with the distribution.
+  *   3. Neither the name of STMicroelectronics nor the names of its contributors
+  *      may be used to endorse or promote products derived from this software
+  *      without specific prior written permission.
+  *
+  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  *
+  ******************************************************************************
+  */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32L4xx_HAL_SAI_H
+#define __STM32L4xx_HAL_SAI_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32l4xx_hal_def.h"
+
+/** @addtogroup STM32L4xx_HAL_Driver
+  * @{
+  */
+
+/** @addtogroup SAI
+  * @{
+  */
+
+/* Exported types ------------------------------------------------------------*/
+/** @defgroup SAI_Exported_Types SAI Exported Types
+  * @{
+  */
+
+/**
+  * @brief  HAL State structures definition
+  */
+typedef enum
+{
+  HAL_SAI_STATE_RESET   = 0x00U, /*!< SAI not yet initialized or disabled  */
+  HAL_SAI_STATE_READY   = 0x01U, /*!< SAI initialized and ready for use    */
+  HAL_SAI_STATE_BUSY    = 0x02U, /*!< SAI internal process is ongoing      */
+  HAL_SAI_STATE_BUSY_TX = 0x12U, /*!< Data transmission process is ongoing */
+  HAL_SAI_STATE_BUSY_RX = 0x22U, /*!< Data reception process is ongoing    */
+}HAL_SAI_StateTypeDef;
+
+/**
+  * @brief  SAI Callback prototype
+  */
+typedef void (*SAIcallback)(void);
+
+#if defined(STM32L4R5xx) || defined(STM32L4R7xx) || defined(STM32L4R9xx) || defined(STM32L4S5xx) || defined(STM32L4S7xx) || defined(STM32L4S9xx)
+/** 
+  * @brief  SAI PDM Init structure definition
+  */  
+typedef struct
+{
+  FunctionalState Activation;  /*!< Enable/disable PDM interface */
+  uint32_t        MicPairsNbr; /*!< Specifies the number of microphone pairs used.
+                                    This parameter must be a number between Min_Data = 1 and Max_Data = 3. */
+  uint32_t        ClockEnable; /*!< Specifies which clock must be enabled.
+                                    This parameter can be a values combination of @ref SAI_PDM_ClockEnable */
+}SAI_PdmInitTypeDef;
+#endif /* STM32L4R5xx || STM32L4R7xx || STM32L4R9xx || STM32L4S5xx || STM32L4S7xx || STM32L4S9xx */
+
+/** @defgroup SAI_Init_Structure_definition SAI Init Structure definition
+  * @brief  SAI Init Structure definition
+  * @{
+  */
+typedef struct
+{
+  uint32_t AudioMode;           /*!< Specifies the SAI Block audio Mode.
+                                     This parameter can be a value of @ref SAI_Block_Mode */
+
+  uint32_t Synchro;             /*!< Specifies SAI Block synchronization
+                                     This parameter can be a value of @ref SAI_Block_Synchronization */
+
+  uint32_t SynchroExt;          /*!< Specifies SAI external output synchronization, this setup is common
+                                     for BlockA and BlockB
+                                     This parameter can be a value of @ref SAI_Block_SyncExt
+                                     @note: If both audio blocks of same SAI are used, this parameter has
+                                            to be set to the same value for each audio block */
+
+  uint32_t OutputDrive;         /*!< Specifies when SAI Block outputs are driven.
+                                     This parameter can be a value of @ref SAI_Block_Output_Drive
+                                     @note this value has to be set before enabling the audio block
+                                     but after the audio block configuration. */
+
+  uint32_t NoDivider;           /*!< Specifies whether master clock will be divided or not.
+                                     This parameter can be a value of @ref SAI_Block_NoDivider
+                                     @note: For STM32L4Rx/STM32L4Sx devices :
+                                              If bit NOMCK in the SAI_xCR1 register is cleared, the frame length
+                                              should be aligned to a number equal to a power of 2, from 8 to 256.
+                                              If bit NOMCK in the SAI_xCR1 register is set, the frame length can
+                                              take any of the values without constraint. There is no MCLK_x clock
+                                              which can be output.
+                                            For other devices :
+                                              If bit NODIV in the SAI_xCR1 register is cleared, the frame length
+                                              should be aligned to a number equal to a power of 2, from 8 to 256.
+                                              If bit NODIV in the SAI_xCR1 register is set, the frame length can
+                                              take any of the values without constraint since the input clock of
+                                              the audio block should be equal to the bit clock.
+                                              There is no MCLK_x clock which can be output. */
+
+  uint32_t FIFOThreshold;       /*!< Specifies SAI Block FIFO threshold.
+                                     This parameter can be a value of @ref SAI_Block_Fifo_Threshold */
+
+  uint32_t AudioFrequency;      /*!< Specifies the audio frequency sampling.
+                                     This parameter can be a value of @ref SAI_Audio_Frequency */
+
+  uint32_t Mckdiv;              /*!< Specifies the master clock divider, the parameter will be used if for
+                                     AudioFrequency the user choice
+                                     This parameter must be a number between Min_Data = 0 and Max_Data = 63 on STM32L4Rx/STM32L4Sx devices.
+                                     This parameter must be a number between Min_Data = 0 and Max_Data = 15 on other devices. */
+
+#if defined(STM32L4R5xx) || defined(STM32L4R7xx) || defined(STM32L4R9xx) || defined(STM32L4S5xx) || defined(STM32L4S7xx) || defined(STM32L4S9xx)
+  uint32_t MckOverSampling;     /*!< Specifies the master clock oversampling.
+                                     This parameter can be a value of @ref SAI_Block_Mck_OverSampling */
+#endif /* STM32L4R5xx || STM32L4R7xx || STM32L4R9xx || STM32L4S5xx || STM32L4S7xx || STM32L4S9xx */
+
+  uint32_t MonoStereoMode;      /*!< Specifies if the mono or stereo mode is selected.
+                                     This parameter can be a value of @ref SAI_Mono_Stereo_Mode */
+
+  uint32_t CompandingMode;      /*!< Specifies the companding mode type.
+                                     This parameter can be a value of @ref SAI_Block_Companding_Mode */
+
+  uint32_t TriState;            /*!< Specifies the companding mode type.
+                                     This parameter can be a value of @ref SAI_TRIState_Management */
+
+#if defined(STM32L4R5xx) || defined(STM32L4R7xx) || defined(STM32L4R9xx) || defined(STM32L4S5xx) || defined(STM32L4S7xx) || defined(STM32L4S9xx)
+  SAI_PdmInitTypeDef PdmInit;   /*!< Specifies the PDM configuration. */
+#endif /* STM32L4R5xx || STM32L4R7xx || STM32L4R9xx || STM32L4S5xx || STM32L4S7xx || STM32L4S9xx */
+
+  /* This part of the structure is automatically filled if your are using the high level initialisation
+     function HAL_SAI_InitProtocol */
+
+  uint32_t Protocol;        /*!< Specifies the SAI Block protocol.
+                                 This parameter can be a value of @ref SAI_Block_Protocol */
+
+  uint32_t DataSize;        /*!< Specifies the SAI Block data size.
+                                 This parameter can be a value of @ref SAI_Block_Data_Size */
+
+  uint32_t FirstBit;        /*!< Specifies whether data transfers start from MSB or LSB bit.
+                                 This parameter can be a value of @ref SAI_Block_MSB_LSB_transmission */
+
+  uint32_t ClockStrobing;   /*!< Specifies the SAI Block clock strobing edge sensitivity.
+                                 This parameter can be a value of @ref SAI_Block_Clock_Strobing */
+}SAI_InitTypeDef;
+/**
+  * @}
+  */
+
+/** @defgroup SAI_Frame_Structure_definition SAI Frame Structure definition
+  * @brief  SAI Frame Init structure definition
+  * @{
+  */
+typedef struct
+{
+
+  uint32_t FrameLength;        /*!< Specifies the Frame length, the number of SCK clocks for each audio frame.
+                                    This parameter must be a number between Min_Data = 8 and Max_Data = 256.
+                                    @note: If master clock MCLK_x pin is declared as an output, the frame length
+                                           should be aligned to a number equal to power of 2 in order to keep
+                                           in an audio frame, an integer number of MCLK pulses by bit Clock. */
+
+  uint32_t ActiveFrameLength;  /*!< Specifies the Frame synchronization active level length.
+                                    This Parameter specifies the length in number of bit clock (SCK + 1)
+                                    of the active level of FS signal in audio frame.
+                                    This parameter must be a number between Min_Data = 1 and Max_Data = 128 */
+
+  uint32_t FSDefinition;       /*!< Specifies the Frame synchronization definition.
+                                    This parameter can be a value of @ref SAI_Block_FS_Definition */
+
+  uint32_t FSPolarity;         /*!< Specifies the Frame synchronization Polarity.
+                                    This parameter can be a value of @ref SAI_Block_FS_Polarity */
+
+  uint32_t FSOffset;           /*!< Specifies the Frame synchronization Offset.
+                                    This parameter can be a value of @ref SAI_Block_FS_Offset */
+
+}SAI_FrameInitTypeDef;
+/**
+  * @}
+  */
+
+/** @defgroup SAI_Slot_Structure_definition SAI Slot Structure definition
+  * @brief   SAI Block Slot Init Structure definition
+  * @{
+  */
+typedef struct
+{
+  uint32_t FirstBitOffset;  /*!< Specifies the position of first data transfer bit in the slot.
+                                 This parameter must be a number between Min_Data = 0 and Max_Data = 24 */
+
+  uint32_t SlotSize;        /*!< Specifies the Slot Size.
+                                 This parameter can be a value of @ref SAI_Block_Slot_Size */
+
+  uint32_t SlotNumber;      /*!< Specifies the number of slot in the audio frame.
+                                 This parameter must be a number between Min_Data = 1 and Max_Data = 16 */
+
+  uint32_t SlotActive;      /*!< Specifies the slots in audio frame that will be activated.
+                                 This parameter can be a value of @ref SAI_Block_Slot_Active */
+}SAI_SlotInitTypeDef;
+/**
+  * @}
+  */
+
+/** @defgroup SAI_Handle_Structure_definition SAI Handle Structure definition
+  * @brief  SAI handle Structure definition
+  * @{
+  */
+typedef struct __SAI_HandleTypeDef
+{
+  SAI_Block_TypeDef         *Instance;    /*!< SAI Blockx registers base address */
+
+  SAI_InitTypeDef           Init;         /*!< SAI communication parameters */
+
+  SAI_FrameInitTypeDef      FrameInit;    /*!< SAI Frame configuration parameters */
+
+  SAI_SlotInitTypeDef       SlotInit;     /*!< SAI Slot configuration parameters */
+
+  uint8_t                  *pBuffPtr;     /*!< Pointer to SAI transfer Buffer */
+
+  uint16_t                  XferSize;     /*!< SAI transfer size */
+
+  uint16_t                  XferCount;    /*!< SAI transfer counter */
+
+  DMA_HandleTypeDef         *hdmatx;      /*!< SAI Tx DMA handle parameters */
+
+  DMA_HandleTypeDef         *hdmarx;      /*!< SAI Rx DMA handle parameters */
+
+  SAIcallback               mutecallback; /*!< SAI mute callback */
+
+  void (*InterruptServiceRoutine)(struct __SAI_HandleTypeDef *hsai); /* function pointer for IRQ handler */
+
+  HAL_LockTypeDef           Lock;         /*!< SAI locking object */
+
+  __IO HAL_SAI_StateTypeDef State;        /*!< SAI communication state */
+
+  __IO uint32_t             ErrorCode;    /*!< SAI Error code */
+}SAI_HandleTypeDef;
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup SAI_Exported_Constants SAI Exported Constants
+  * @{
+  */
+
+/** @defgroup SAI_Error_Code SAI Error Code
+  * @{
+  */
+#define HAL_SAI_ERROR_NONE    ((uint32_t)0x00000000U)  /*!< No error */
+#define HAL_SAI_ERROR_OVR     ((uint32_t)0x00000001U)  /*!< Overrun Error */
+#define HAL_SAI_ERROR_UDR     ((uint32_t)0x00000002U)  /*!< Underrun error */
+#define HAL_SAI_ERROR_AFSDET  ((uint32_t)0x00000004U)  /*!< Anticipated Frame synchronisation detection */
+#define HAL_SAI_ERROR_LFSDET  ((uint32_t)0x00000008U)  /*!< Late Frame synchronisation detection */
+#define HAL_SAI_ERROR_CNREADY ((uint32_t)0x00000010U)  /*!< codec not ready */
+#define HAL_SAI_ERROR_WCKCFG  ((uint32_t)0x00000020U)  /*!< Wrong clock configuration */
+#define HAL_SAI_ERROR_TIMEOUT ((uint32_t)0x00000040U)  /*!< Timeout error */
+#define HAL_SAI_ERROR_DMA     ((uint32_t)0x00000080U)  /*!< DMA error */
+/**
+  * @}
+  */
+
+/** @defgroup SAI_Block_SyncExt SAI External synchronisation
+  * @{
+  */
+#define SAI_SYNCEXT_DISABLE          0
+#define SAI_SYNCEXT_OUTBLOCKA_ENABLE 1
+#define SAI_SYNCEXT_OUTBLOCKB_ENABLE 2
+/**
+  * @}
+  */
+
+/** @defgroup SAI_Protocol SAI Supported protocol
+  * @{
+  */
+#define SAI_I2S_STANDARD      0
+#define SAI_I2S_MSBJUSTIFIED  1
+#define SAI_I2S_LSBJUSTIFIED  2
+#define SAI_PCM_LONG          3
+#define SAI_PCM_SHORT         4
+/**
+  * @}
+  */
+
+/** @defgroup SAI_Protocol_DataSize SAI protocol data size
+  * @{
+  */
+#define SAI_PROTOCOL_DATASIZE_16BIT         0
+#define SAI_PROTOCOL_DATASIZE_16BITEXTENDED 1
+#define SAI_PROTOCOL_DATASIZE_24BIT         2
+#define SAI_PROTOCOL_DATASIZE_32BIT         3
+/**
+  * @}
+  */
+
+/** @defgroup SAI_Audio_Frequency SAI Audio Frequency
+  * @{
+  */
+#define SAI_AUDIO_FREQUENCY_192K          ((uint32_t)192000U)
+#define SAI_AUDIO_FREQUENCY_96K           ((uint32_t)96000U)
+#define SAI_AUDIO_FREQUENCY_48K           ((uint32_t)48000U)
+#define SAI_AUDIO_FREQUENCY_44K           ((uint32_t)44100U)
+#define SAI_AUDIO_FREQUENCY_32K           ((uint32_t)32000U)
+#define SAI_AUDIO_FREQUENCY_22K           ((uint32_t)22050U)
+#define SAI_AUDIO_FREQUENCY_16K           ((uint32_t)16000U)
+#define SAI_AUDIO_FREQUENCY_11K           ((uint32_t)11025U)
+#define SAI_AUDIO_FREQUENCY_8K            ((uint32_t)8000U)
+#define SAI_AUDIO_FREQUENCY_MCKDIV        ((uint32_t)0U)
+/**
+  * @}
+  */
+
+#if defined(STM32L4R5xx) || defined(STM32L4R7xx) || defined(STM32L4R9xx) || defined(STM32L4S5xx) || defined(STM32L4S7xx) || defined(STM32L4S9xx)
+/** @defgroup SAI_Block_Mck_OverSampling SAI Block Master Clock OverSampling
+  * @{
+  */
+#define SAI_MCK_OVERSAMPLING_DISABLE      ((uint32_t)0x00000000U)
+#define SAI_MCK_OVERSAMPLING_ENABLE       ((uint32_t)SAI_xCR1_OSR)
+/**
+  * @}
+  */
+
+/** @defgroup SAI_PDM_ClockEnable SAI PDM Clock Enable
+  * @{
+  */
+#define SAI_PDM_CLOCK1_ENABLE     ((uint32_t)SAI_PDMCR_CKEN1)
+#define SAI_PDM_CLOCK2_ENABLE     ((uint32_t)SAI_PDMCR_CKEN2)
+/**
+  * @}
+  */
+#endif /* STM32L4R5xx || STM32L4R7xx || STM32L4R9xx || STM32L4S5xx || STM32L4S7xx || STM32L4S9xx */
+
+/** @defgroup SAI_Block_Mode SAI Block Mode
+  * @{
+  */
+#define SAI_MODEMASTER_TX         ((uint32_t)0x00000000U)
+#define SAI_MODEMASTER_RX         ((uint32_t)SAI_xCR1_MODE_0)
+#define SAI_MODESLAVE_TX          ((uint32_t)SAI_xCR1_MODE_1)
+#define SAI_MODESLAVE_RX          ((uint32_t)(SAI_xCR1_MODE_1 | SAI_xCR1_MODE_0))
+
+/**
+  * @}
+  */
+
+/** @defgroup SAI_Block_Protocol SAI Block Protocol
+  * @{
+  */
+#define SAI_FREE_PROTOCOL                 ((uint32_t)0x00000000U)
+#define SAI_SPDIF_PROTOCOL                ((uint32_t)SAI_xCR1_PRTCFG_0)
+#define SAI_AC97_PROTOCOL                 ((uint32_t)SAI_xCR1_PRTCFG_1)
+/**
+  * @}
+  */
+
+/** @defgroup SAI_Block_Data_Size SAI Block Data Size
+  * @{
+  */
+#define SAI_DATASIZE_8     ((uint32_t)SAI_xCR1_DS_1)
+#define SAI_DATASIZE_10    ((uint32_t)(SAI_xCR1_DS_1 | SAI_xCR1_DS_0))
+#define SAI_DATASIZE_16    ((uint32_t)SAI_xCR1_DS_2)
+#define SAI_DATASIZE_20    ((uint32_t)(SAI_xCR1_DS_2 | SAI_xCR1_DS_0))
+#define SAI_DATASIZE_24    ((uint32_t)(SAI_xCR1_DS_2 | SAI_xCR1_DS_1))
+#define SAI_DATASIZE_32    ((uint32_t)(SAI_xCR1_DS_2 | SAI_xCR1_DS_1 | SAI_xCR1_DS_0))
+/**
+  * @}
+  */
+
+/** @defgroup SAI_Block_MSB_LSB_transmission SAI Block MSB LSB transmission
+  * @{
+  */
+#define SAI_FIRSTBIT_MSB                  ((uint32_t)0x00000000U)
+#define SAI_FIRSTBIT_LSB                  ((uint32_t)SAI_xCR1_LSBFIRST)
+/**
+  * @}
+  */
+
+/** @defgroup SAI_Block_Clock_Strobing SAI Block Clock Strobing
+  * @{
+  */
+#define SAI_CLOCKSTROBING_FALLINGEDGE     0
+#define SAI_CLOCKSTROBING_RISINGEDGE      1
+/**
+  * @}
+  */
+
+/** @defgroup SAI_Block_Synchronization SAI Block Synchronization
+  * @{
+  */
+#define SAI_ASYNCHRONOUS                  0 /*!< Asynchronous */
+#define SAI_SYNCHRONOUS                   1 /*!< Synchronous with other block of same SAI */
+#define SAI_SYNCHRONOUS_EXT_SAI1          2 /*!< Synchronous with other SAI, SAI1 */
+#define SAI_SYNCHRONOUS_EXT_SAI2          3 /*!< Synchronous with other SAI, SAI2 */
+/**
+  * @}
+  */ 
+
+/** @defgroup SAI_Block_Output_Drive SAI Block Output Drive
+  * @{
+  */
+#define SAI_OUTPUTDRIVE_DISABLE          ((uint32_t)0x00000000U)
+#define SAI_OUTPUTDRIVE_ENABLE           ((uint32_t)SAI_xCR1_OUTDRIV)
+/**
+  * @}
+  */
+
+/** @defgroup SAI_Block_NoDivider SAI Block NoDivider
+  * @{
+  */
+#define SAI_MASTERDIVIDER_ENABLE         ((uint32_t)0x00000000U)
+#if defined(STM32L4R5xx) || defined(STM32L4R7xx) || defined(STM32L4R9xx) || defined(STM32L4S5xx) || defined(STM32L4S7xx) || defined(STM32L4S9xx)
+#define SAI_MASTERDIVIDER_DISABLE        ((uint32_t)SAI_xCR1_NOMCK)
+#else
+#define SAI_MASTERDIVIDER_DISABLE        ((uint32_t)SAI_xCR1_NODIV)
+#endif /* STM32L4R5xx || STM32L4R7xx || STM32L4R9xx || STM32L4S5xx || STM32L4S7xx || STM32L4S9xx */
+/**
+  * @}
+  */
+
+
+/** @defgroup SAI_Block_FS_Definition SAI Block FS Definition
+  * @{
+  */
+#define SAI_FS_STARTFRAME                 ((uint32_t)0x00000000U)
+#define SAI_FS_CHANNEL_IDENTIFICATION     ((uint32_t)SAI_xFRCR_FSDEF)
+/**
+  * @}
+  */
+
+/** @defgroup SAI_Block_FS_Polarity SAI Block FS Polarity
+  * @{
+  */
+#define SAI_FS_ACTIVE_LOW                  ((uint32_t)0x00000000U)
+#define SAI_FS_ACTIVE_HIGH                 ((uint32_t)SAI_xFRCR_FSPOL)
+/**
+  * @}
+  */
+
+/** @defgroup SAI_Block_FS_Offset SAI Block FS Offset
+  * @{
+  */
+#define SAI_FS_FIRSTBIT                   ((uint32_t)0x00000000U)
+#define SAI_FS_BEFOREFIRSTBIT             ((uint32_t)SAI_xFRCR_FSOFF)
+/**
+  * @}
+  */
+
+
+  /** @defgroup SAI_Block_Slot_Size SAI Block Slot Size
+  * @{
+  */
+#define SAI_SLOTSIZE_DATASIZE             ((uint32_t)0x00000000U)
+#define SAI_SLOTSIZE_16B                  ((uint32_t)SAI_xSLOTR_SLOTSZ_0)
+#define SAI_SLOTSIZE_32B                  ((uint32_t)SAI_xSLOTR_SLOTSZ_1)
+/**
+  * @}
+  */
+
+/** @defgroup SAI_Block_Slot_Active SAI Block Slot Active
+  * @{
+  */
+#define SAI_SLOT_NOTACTIVE           ((uint32_t)0x00000000U)
+#define SAI_SLOTACTIVE_0             ((uint32_t)0x00000001U)
+#define SAI_SLOTACTIVE_1             ((uint32_t)0x00000002U)
+#define SAI_SLOTACTIVE_2             ((uint32_t)0x00000004U)
+#define SAI_SLOTACTIVE_3             ((uint32_t)0x00000008U)
+#define SAI_SLOTACTIVE_4             ((uint32_t)0x00000010U)
+#define SAI_SLOTACTIVE_5             ((uint32_t)0x00000020U)
+#define SAI_SLOTACTIVE_6             ((uint32_t)0x00000040U)
+#define SAI_SLOTACTIVE_7             ((uint32_t)0x00000080U)
+#define SAI_SLOTACTIVE_8             ((uint32_t)0x00000100U)
+#define SAI_SLOTACTIVE_9             ((uint32_t)0x00000200U)
+#define SAI_SLOTACTIVE_10            ((uint32_t)0x00000400U)
+#define SAI_SLOTACTIVE_11            ((uint32_t)0x00000800U)
+#define SAI_SLOTACTIVE_12            ((uint32_t)0x00001000U)
+#define SAI_SLOTACTIVE_13            ((uint32_t)0x00002000U)
+#define SAI_SLOTACTIVE_14            ((uint32_t)0x00004000U)
+#define SAI_SLOTACTIVE_15            ((uint32_t)0x00008000U)
+#define SAI_SLOTACTIVE_ALL           ((uint32_t)0x0000FFFFU)
+/**
+  * @}
+  */
+
+/** @defgroup SAI_Mono_Stereo_Mode SAI Mono Stereo Mode
+  * @{
+  */
+#define SAI_STEREOMODE               ((uint32_t)0x00000000U)
+#define SAI_MONOMODE                 ((uint32_t)SAI_xCR1_MONO)
+/**
+  * @}
+  */
+
+/** @defgroup SAI_TRIState_Management SAI TRIState Management
+  * @{
+  */
+#define SAI_OUTPUT_NOTRELEASED    ((uint32_t)0x00000000U)
+#define SAI_OUTPUT_RELEASED       ((uint32_t)SAI_xCR2_TRIS)
+/**
+  * @}
+  */
+
+/** @defgroup SAI_Block_Fifo_Threshold SAI Block Fifo Threshold
+  * @{
+  */
+#define SAI_FIFOTHRESHOLD_EMPTY  ((uint32_t)0x00000000U)
+#define SAI_FIFOTHRESHOLD_1QF    ((uint32_t)(SAI_xCR2_FTH_0))
+#define SAI_FIFOTHRESHOLD_HF     ((uint32_t)(SAI_xCR2_FTH_1))
+#define SAI_FIFOTHRESHOLD_3QF    ((uint32_t)(SAI_xCR2_FTH_1 | SAI_xCR2_FTH_0))
+#define SAI_FIFOTHRESHOLD_FULL   ((uint32_t)(SAI_xCR2_FTH_2))
+/**
+  * @}
+  */
+
+/** @defgroup SAI_Block_Companding_Mode SAI Block Companding Mode
+  * @{
+  */
+#define SAI_NOCOMPANDING                 ((uint32_t)0x00000000U)
+#define SAI_ULAW_1CPL_COMPANDING         ((uint32_t)(SAI_xCR2_COMP_1))
+#define SAI_ALAW_1CPL_COMPANDING         ((uint32_t)(SAI_xCR2_COMP_1 | SAI_xCR2_COMP_0))
+#define SAI_ULAW_2CPL_COMPANDING         ((uint32_t)(SAI_xCR2_COMP_1 | SAI_xCR2_CPL))
+#define SAI_ALAW_2CPL_COMPANDING         ((uint32_t)(SAI_xCR2_COMP_1 | SAI_xCR2_COMP_0 | SAI_xCR2_CPL))
+/**
+  * @}
+  */
+
+/** @defgroup SAI_Block_Mute_Value SAI Block Mute Value
+  * @{
+  */
+#define SAI_ZERO_VALUE                     ((uint32_t)0x00000000U)
+#define SAI_LAST_SENT_VALUE                ((uint32_t)SAI_xCR2_MUTEVAL)
+/**
+  * @}
+  */
+
+/** @defgroup SAI_Block_Interrupts_Definition SAI Block Interrupts Definition
+  * @{
+  */
+#define SAI_IT_OVRUDR                     ((uint32_t)SAI_xIMR_OVRUDRIE)
+#define SAI_IT_MUTEDET                    ((uint32_t)SAI_xIMR_MUTEDETIE)
+#define SAI_IT_WCKCFG                     ((uint32_t)SAI_xIMR_WCKCFGIE)
+#define SAI_IT_FREQ                       ((uint32_t)SAI_xIMR_FREQIE)
+#define SAI_IT_CNRDY                      ((uint32_t)SAI_xIMR_CNRDYIE)
+#define SAI_IT_AFSDET                     ((uint32_t)SAI_xIMR_AFSDETIE)
+#define SAI_IT_LFSDET                     ((uint32_t)SAI_xIMR_LFSDETIE)
+/**
+  * @}
+  */
+
+/** @defgroup SAI_Block_Flags_Definition  SAI Block Flags Definition
+  * @{
+  */
+#define SAI_FLAG_OVRUDR                   ((uint32_t)SAI_xSR_OVRUDR)
+#define SAI_FLAG_MUTEDET                  ((uint32_t)SAI_xSR_MUTEDET)
+#define SAI_FLAG_WCKCFG                   ((uint32_t)SAI_xSR_WCKCFG)
+#define SAI_FLAG_FREQ                     ((uint32_t)SAI_xSR_FREQ)
+#define SAI_FLAG_CNRDY                    ((uint32_t)SAI_xSR_CNRDY)
+#define SAI_FLAG_AFSDET                   ((uint32_t)SAI_xSR_AFSDET)
+#define SAI_FLAG_LFSDET                   ((uint32_t)SAI_xSR_LFSDET)
+/**
+  * @}
+  */
+
+/** @defgroup SAI_Block_Fifo_Status_Level   SAI Block Fifo Status Level
+  * @{
+  */
+#define SAI_FIFOSTATUS_EMPTY              ((uint32_t)0x00000000U)
+#define SAI_FIFOSTATUS_LESS1QUARTERFULL   ((uint32_t)0x00010000U)
+#define SAI_FIFOSTATUS_1QUARTERFULL       ((uint32_t)0x00020000U)
+#define SAI_FIFOSTATUS_HALFFULL           ((uint32_t)0x00030000U)
+#define SAI_FIFOSTATUS_3QUARTERFULL       ((uint32_t)0x00040000U)
+#define SAI_FIFOSTATUS_FULL               ((uint32_t)0x00050000U)
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/* Exported macro ------------------------------------------------------------*/
+
+/** @defgroup SAI_Exported_Macros SAI Exported Macros
+ *  @brief macros to handle interrupts and specific configurations
+ * @{
+ */
+
+/** @brief Reset SAI handle state.
+  * @param  __HANDLE__ specifies the SAI Handle.
+  * @retval None
+  */
+#define __HAL_SAI_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_SAI_STATE_RESET)
+
+/** @brief  Enable or disable the specified SAI interrupts.
+  * @param  __HANDLE__ specifies the SAI Handle.
+  * @param  __INTERRUPT__ specifies the interrupt source to enable or disable.
+  *         This parameter can be one of the following values:
+  *            @arg SAI_IT_OVRUDR: Overrun underrun interrupt enable
+  *            @arg SAI_IT_MUTEDET: Mute detection interrupt enable
+  *            @arg SAI_IT_WCKCFG: Wrong Clock Configuration interrupt enable
+  *            @arg SAI_IT_FREQ: FIFO request interrupt enable
+  *            @arg SAI_IT_CNRDY: Codec not ready interrupt enable
+  *            @arg SAI_IT_AFSDET: Anticipated frame synchronization detection interrupt enable
+  *            @arg SAI_IT_LFSDET: Late frame synchronization detection interrupt enable
+  * @retval None
+  */
+#define __HAL_SAI_ENABLE_IT(__HANDLE__, __INTERRUPT__)   ((__HANDLE__)->Instance->IMR |= (__INTERRUPT__))
+#define __HAL_SAI_DISABLE_IT(__HANDLE__, __INTERRUPT__)  ((__HANDLE__)->Instance->IMR &= (~(__INTERRUPT__)))
+
+/** @brief  Check whether the specified SAI interrupt source is enabled or not.
+  * @param  __HANDLE__ specifies the SAI Handle.
+  * @param  __INTERRUPT__ specifies the SAI interrupt source to check.
+  *         This parameter can be one of the following values:
+  *            @arg SAI_IT_OVRUDR: Overrun underrun interrupt enable
+  *            @arg SAI_IT_MUTEDET: Mute detection interrupt enable
+  *            @arg SAI_IT_WCKCFG: Wrong Clock Configuration interrupt enable
+  *            @arg SAI_IT_FREQ: FIFO request interrupt enable
+  *            @arg SAI_IT_CNRDY: Codec not ready interrupt enable
+  *            @arg SAI_IT_AFSDET: Anticipated frame synchronization detection interrupt enable
+  *            @arg SAI_IT_LFSDET: Late frame synchronization detection interrupt enable
+  * @retval The new state of __INTERRUPT__ (TRUE or FALSE).
+  */
+#define __HAL_SAI_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->IMR & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)
+
+/** @brief  Check whether the specified SAI flag is set or not.
+  * @param  __HANDLE__ specifies the SAI Handle.
+  * @param  __FLAG__ specifies the flag to check.
+  *         This parameter can be one of the following values:
+  *            @arg SAI_FLAG_OVRUDR: Overrun underrun flag.
+  *            @arg SAI_FLAG_MUTEDET: Mute detection flag.
+  *            @arg SAI_FLAG_WCKCFG: Wrong Clock Configuration flag.
+  *            @arg SAI_FLAG_FREQ: FIFO request flag.
+  *            @arg SAI_FLAG_CNRDY: Codec not ready flag.
+  *            @arg SAI_FLAG_AFSDET: Anticipated frame synchronization detection flag.
+  *            @arg SAI_FLAG_LFSDET: Late frame synchronization detection flag.
+  * @retval The new state of __FLAG__ (TRUE or FALSE).
+  */
+#define __HAL_SAI_GET_FLAG(__HANDLE__, __FLAG__) ((((__HANDLE__)->Instance->SR) & (__FLAG__)) == (__FLAG__))
+
+/** @brief  Clear the specified SAI pending flag.
+  * @param  __HANDLE__ specifies the SAI Handle.
+  * @param  __FLAG__ specifies the flag to check.
+  *          This parameter can be any combination of the following values:
+  *            @arg SAI_FLAG_OVRUDR: Clear Overrun underrun
+  *            @arg SAI_FLAG_MUTEDET: Clear Mute detection
+  *            @arg SAI_FLAG_WCKCFG: Clear Wrong Clock Configuration
+  *            @arg SAI_FLAG_FREQ: Clear FIFO request
+  *            @arg SAI_FLAG_CNRDY: Clear Codec not ready
+  *            @arg SAI_FLAG_AFSDET: Clear Anticipated frame synchronization detection
+  *            @arg SAI_FLAG_LFSDET: Clear Late frame synchronization detection
+  *
+  * @retval None
+  */
+#define __HAL_SAI_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->CLRFR = (__FLAG__))
+
+#define __HAL_SAI_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 |=  SAI_xCR1_SAIEN)
+#define __HAL_SAI_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 &=  ~SAI_xCR1_SAIEN)
+
+ /**
+  * @}
+  */
+
+#if defined(STM32L4R5xx) || defined(STM32L4R7xx) || defined(STM32L4R9xx) || defined(STM32L4S5xx) || defined(STM32L4S7xx) || defined(STM32L4S9xx)
+/* Include SAI HAL Extension module */
+#include "stm32l4xx_hal_sai_ex.h"
+#endif /* STM32L4R5xx || STM32L4R7xx || STM32L4R9xx || STM32L4S5xx || STM32L4S7xx || STM32L4S9xx */
+
+/* Exported functions --------------------------------------------------------*/
+
+/** @addtogroup SAI_Exported_Functions
+  * @{
+  */
+
+/* Initialization/de-initialization functions  ********************************/
+
+/** @addtogroup SAI_Exported_Functions_Group1
+  * @{
+  */
+HAL_StatusTypeDef HAL_SAI_InitProtocol(SAI_HandleTypeDef *hsai, uint32_t protocol, uint32_t datasize, uint32_t nbslot);
+HAL_StatusTypeDef HAL_SAI_Init(SAI_HandleTypeDef *hsai);
+HAL_StatusTypeDef HAL_SAI_DeInit (SAI_HandleTypeDef *hsai);
+void HAL_SAI_MspInit(SAI_HandleTypeDef *hsai);
+void HAL_SAI_MspDeInit(SAI_HandleTypeDef *hsai);
+
+/**
+  * @}
+  */
+
+/* I/O operation functions  ***************************************************/
+
+/** @addtogroup SAI_Exported_Functions_Group2
+  * @{
+  */
+/* Blocking mode: Polling */
+HAL_StatusTypeDef HAL_SAI_Transmit(SAI_HandleTypeDef *hsai, uint8_t *pData, uint16_t Size, uint32_t Timeout);
+HAL_StatusTypeDef HAL_SAI_Receive(SAI_HandleTypeDef *hsai, uint8_t *pData, uint16_t Size, uint32_t Timeout);
+
+/* Non-Blocking mode: Interrupt */
+HAL_StatusTypeDef HAL_SAI_Transmit_IT(SAI_HandleTypeDef *hsai, uint8_t *pData, uint16_t Size);
+HAL_StatusTypeDef HAL_SAI_Receive_IT(SAI_HandleTypeDef *hsai, uint8_t *pData, uint16_t Size);
+
+/* Non-Blocking mode: DMA */
+HAL_StatusTypeDef HAL_SAI_Transmit_DMA(SAI_HandleTypeDef *hsai, uint8_t *pData, uint16_t Size);
+HAL_StatusTypeDef HAL_SAI_Receive_DMA(SAI_HandleTypeDef *hsai, uint8_t *pData, uint16_t Size);
+HAL_StatusTypeDef HAL_SAI_DMAPause(SAI_HandleTypeDef *hsai);
+HAL_StatusTypeDef HAL_SAI_DMAResume(SAI_HandleTypeDef *hsai);
+HAL_StatusTypeDef HAL_SAI_DMAStop(SAI_HandleTypeDef *hsai);
+
+/* Abort function */
+HAL_StatusTypeDef HAL_SAI_Abort(SAI_HandleTypeDef *hsai);
+
+/* Mute management */
+HAL_StatusTypeDef HAL_SAI_EnableTxMuteMode(SAI_HandleTypeDef *hsai, uint16_t val);
+HAL_StatusTypeDef HAL_SAI_DisableTxMuteMode(SAI_HandleTypeDef *hsai);
+HAL_StatusTypeDef HAL_SAI_EnableRxMuteMode(SAI_HandleTypeDef *hsai, SAIcallback callback, uint16_t counter);
+HAL_StatusTypeDef HAL_SAI_DisableRxMuteMode(SAI_HandleTypeDef *hsai);
+
+/* SAI IRQHandler and Callbacks used in non blocking modes (Interrupt and DMA) */
+void HAL_SAI_IRQHandler(SAI_HandleTypeDef *hsai);
+void HAL_SAI_TxHalfCpltCallback(SAI_HandleTypeDef *hsai);
+void HAL_SAI_TxCpltCallback(SAI_HandleTypeDef *hsai);
+void HAL_SAI_RxHalfCpltCallback(SAI_HandleTypeDef *hsai);
+void HAL_SAI_RxCpltCallback(SAI_HandleTypeDef *hsai);
+void HAL_SAI_ErrorCallback(SAI_HandleTypeDef *hsai);
+/**
+  * @}
+  */
+
+/** @addtogroup SAI_Exported_Functions_Group3
+  * @{
+  */
+/* Peripheral State functions  ************************************************/
+HAL_SAI_StateTypeDef HAL_SAI_GetState(SAI_HandleTypeDef *hsai);
+uint32_t HAL_SAI_GetError(SAI_HandleTypeDef *hsai);
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/* Private macros ------------------------------------------------------------*/
+/** @addtogroup SAI_Private_Macros
+  * @{
+  */
+#define IS_SAI_BLOCK_SYNCEXT(STATE) (((STATE) == SAI_SYNCEXT_DISABLE) ||\
+                                     ((STATE) == SAI_SYNCEXT_OUTBLOCKA_ENABLE) ||\
+                                     ((STATE) == SAI_SYNCEXT_OUTBLOCKB_ENABLE))
+
+#define IS_SAI_SUPPORTED_PROTOCOL(PROTOCOL)   (((PROTOCOL) == SAI_I2S_STANDARD)     ||\
+                                               ((PROTOCOL) == SAI_I2S_MSBJUSTIFIED) ||\
+                                               ((PROTOCOL) == SAI_I2S_LSBJUSTIFIED) ||\
+                                               ((PROTOCOL) == SAI_PCM_LONG)         ||\
+                                               ((PROTOCOL) == SAI_PCM_SHORT))
+
+#define IS_SAI_PROTOCOL_DATASIZE(DATASIZE)   (((DATASIZE) == SAI_PROTOCOL_DATASIZE_16BIT)         ||\
+                                              ((DATASIZE) == SAI_PROTOCOL_DATASIZE_16BITEXTENDED) ||\
+                                              ((DATASIZE) == SAI_PROTOCOL_DATASIZE_24BIT)         ||\
+                                              ((DATASIZE) == SAI_PROTOCOL_DATASIZE_32BIT))
+
+#define IS_SAI_AUDIO_FREQUENCY(AUDIO) (((AUDIO) == SAI_AUDIO_FREQUENCY_192K) || ((AUDIO) == SAI_AUDIO_FREQUENCY_96K) || \
+                                       ((AUDIO) == SAI_AUDIO_FREQUENCY_48K)  || ((AUDIO) == SAI_AUDIO_FREQUENCY_44K) || \
+                                       ((AUDIO) == SAI_AUDIO_FREQUENCY_32K)  || ((AUDIO) == SAI_AUDIO_FREQUENCY_22K) || \
+                                       ((AUDIO) == SAI_AUDIO_FREQUENCY_16K)  || ((AUDIO) == SAI_AUDIO_FREQUENCY_11K) || \
+                                       ((AUDIO) == SAI_AUDIO_FREQUENCY_8K)   || ((AUDIO) == SAI_AUDIO_FREQUENCY_MCKDIV))
+
+#if defined(STM32L4R5xx) || defined(STM32L4R7xx) || defined(STM32L4R9xx) || defined(STM32L4S5xx) || defined(STM32L4S7xx) || defined(STM32L4S9xx)
+#define IS_SAI_BLOCK_MCK_OVERSAMPLING(VALUE) (((VALUE) == SAI_MCK_OVERSAMPLING_DISABLE) || \
+                                              ((VALUE) == SAI_MCK_OVERSAMPLING_ENABLE))
+
+#define IS_SAI_PDM_MIC_PAIRS_NUMBER(VALUE)   ((1U <= (VALUE)) && ((VALUE) <= 3U))
+
+#define IS_SAI_PDM_CLOCK_ENABLE(CLOCK) (((CLOCK) != 0U) && \
+                                       (((CLOCK) & ~(SAI_PDM_CLOCK1_ENABLE | SAI_PDM_CLOCK2_ENABLE)) == 0U))
+#endif /* STM32L4R5xx || STM32L4R7xx || STM32L4R9xx || STM32L4S5xx || STM32L4S7xx || STM32L4S9xx */
+
+#define IS_SAI_BLOCK_MODE(MODE)  (((MODE) == SAI_MODEMASTER_TX) || \
+                                  ((MODE) == SAI_MODEMASTER_RX) || \
+                                  ((MODE) == SAI_MODESLAVE_TX)  || \
+                                  ((MODE) == SAI_MODESLAVE_RX))
+
+#define IS_SAI_BLOCK_PROTOCOL(PROTOCOL) (((PROTOCOL) == SAI_FREE_PROTOCOL)  || \
+                                         ((PROTOCOL) == SAI_AC97_PROTOCOL)  || \
+                                         ((PROTOCOL) == SAI_SPDIF_PROTOCOL)) 
+
+#define IS_SAI_BLOCK_DATASIZE(DATASIZE) (((DATASIZE) == SAI_DATASIZE_8)  || \
+                                         ((DATASIZE) == SAI_DATASIZE_10) || \
+                                         ((DATASIZE) == SAI_DATASIZE_16) || \
+                                         ((DATASIZE) == SAI_DATASIZE_20) || \
+                                         ((DATASIZE) == SAI_DATASIZE_24) || \
+                                         ((DATASIZE) == SAI_DATASIZE_32))
+
+#define IS_SAI_BLOCK_FIRST_BIT(BIT) (((BIT) == SAI_FIRSTBIT_MSB) || \
+                                     ((BIT) == SAI_FIRSTBIT_LSB))
+
+#define IS_SAI_BLOCK_CLOCK_STROBING(CLOCK) (((CLOCK) == SAI_CLOCKSTROBING_FALLINGEDGE) || \
+                                            ((CLOCK) == SAI_CLOCKSTROBING_RISINGEDGE))
+
+#define IS_SAI_BLOCK_SYNCHRO(SYNCHRO) (((SYNCHRO) == SAI_ASYNCHRONOUS)         || \
+                                       ((SYNCHRO) == SAI_SYNCHRONOUS)          || \
+                                       ((SYNCHRO) == SAI_SYNCHRONOUS_EXT_SAI1) || \
+                                       ((SYNCHRO) == SAI_SYNCHRONOUS_EXT_SAI2))
+
+#define IS_SAI_BLOCK_OUTPUT_DRIVE(DRIVE) (((DRIVE) == SAI_OUTPUTDRIVE_DISABLE) || \
+                                          ((DRIVE) == SAI_OUTPUTDRIVE_ENABLE))
+
+#define IS_SAI_BLOCK_NODIVIDER(NODIVIDER) (((NODIVIDER) == SAI_MASTERDIVIDER_ENABLE) || \
+                                           ((NODIVIDER) == SAI_MASTERDIVIDER_DISABLE))
+
+#define IS_SAI_BLOCK_MUTE_COUNTER(COUNTER) ((COUNTER) <= 63)
+
+#define IS_SAI_BLOCK_MUTE_VALUE(VALUE)    (((VALUE) == SAI_ZERO_VALUE)     || \
+                                           ((VALUE) == SAI_LAST_SENT_VALUE)) 
+
+#define IS_SAI_BLOCK_COMPANDING_MODE(MODE)    (((MODE) == SAI_NOCOMPANDING)         || \
+                                               ((MODE) == SAI_ULAW_1CPL_COMPANDING) || \
+                                               ((MODE) == SAI_ALAW_1CPL_COMPANDING) || \
+                                               ((MODE) == SAI_ULAW_2CPL_COMPANDING) || \
+                                               ((MODE) == SAI_ALAW_2CPL_COMPANDING))
+
+#define IS_SAI_BLOCK_FIFO_THRESHOLD(THRESHOLD) (((THRESHOLD) == SAI_FIFOTHRESHOLD_EMPTY)   || \
+                                                ((THRESHOLD) == SAI_FIFOTHRESHOLD_1QF)     || \
+                                                ((THRESHOLD) == SAI_FIFOTHRESHOLD_HF)      || \
+                                                ((THRESHOLD) == SAI_FIFOTHRESHOLD_3QF)     || \
+                                                ((THRESHOLD) == SAI_FIFOTHRESHOLD_FULL))  
+
+#define IS_SAI_BLOCK_TRISTATE_MANAGEMENT(STATE) (((STATE) == SAI_OUTPUT_NOTRELEASED) ||\
+                                                 ((STATE) == SAI_OUTPUT_RELEASED))
+
+#define IS_SAI_MONO_STEREO_MODE(MODE) (((MODE) == SAI_MONOMODE) ||\
+                                       ((MODE) == SAI_STEREOMODE))
+
+#define IS_SAI_SLOT_ACTIVE(ACTIVE)  ((ACTIVE) <= SAI_SLOTACTIVE_ALL)
+
+#define IS_SAI_BLOCK_SLOT_NUMBER(NUMBER) ((1 <= (NUMBER)) && ((NUMBER) <= 16))
+
+#define IS_SAI_BLOCK_SLOT_SIZE(SIZE) (((SIZE) == SAI_SLOTSIZE_DATASIZE) || \
+                                      ((SIZE) == SAI_SLOTSIZE_16B)      || \
+                                      ((SIZE) == SAI_SLOTSIZE_32B))
+
+#define IS_SAI_BLOCK_FIRSTBIT_OFFSET(OFFSET) ((OFFSET) <= 24)
+
+#define IS_SAI_BLOCK_FS_OFFSET(OFFSET) (((OFFSET) == SAI_FS_FIRSTBIT) || \
+                                        ((OFFSET) == SAI_FS_BEFOREFIRSTBIT))
+
+#define IS_SAI_BLOCK_FS_POLARITY(POLARITY) (((POLARITY) == SAI_FS_ACTIVE_LOW) || \
+                                            ((POLARITY) == SAI_FS_ACTIVE_HIGH))
+
+#define IS_SAI_BLOCK_FS_DEFINITION(DEFINITION) (((DEFINITION) == SAI_FS_STARTFRAME) || \
+                                                ((DEFINITION) == SAI_FS_CHANNEL_IDENTIFICATION))
+
+#define IS_SAI_BLOCK_MASTER_DIVIDER(DIVIDER) ((DIVIDER) <= 15)
+
+#define IS_SAI_BLOCK_FRAME_LENGTH(LENGTH) ((8 <= (LENGTH)) && ((LENGTH) <= 256))
+
+#define IS_SAI_BLOCK_ACTIVE_FRAME(LENGTH) ((1 <= (LENGTH)) && ((LENGTH) <= 128))
+
+/**
+  * @}
+  */
+
+/* Private functions ---------------------------------------------------------*/
+/** @defgroup SAI_Private_Functions SAI Private Functions
+  * @{
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32L4xx_HAL_SAI_H */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/