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/**
******************************************************************************
* @file stm32h7xx_hal_sai_ex.h
* @author MCD Application Team
* @brief Header file of SAI HAL extended module.
******************************************************************************
* @attention
*
* Copyright (c) 2017 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef STM32H7xx_HAL_SAI_EX_H
#define STM32H7xx_HAL_SAI_EX_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32h7xx_hal_def.h"
/** @addtogroup STM32H7xx_HAL_Driver
* @{
*/
/** @addtogroup SAIEx
* @{
*/
/* Exported types ------------------------------------------------------------*/
/** @defgroup SAIEx_Exported_Types SAIEx Exported Types
* @ingroup RTEMSBSPsARMSTM32H7
* @{
*/
/**
* @brief PDM microphone delay structure definition
*/
typedef struct
{
uint32_t MicPair; /*!< Specifies which pair of microphones is selected.
This parameter must be a number between Min_Data = 1 and Max_Data = 3. */
uint32_t LeftDelay; /*!< Specifies the delay in PDM clock unit to apply on left microphone.
This parameter must be a number between Min_Data = 0 and Max_Data = 7. */
uint32_t RightDelay; /*!< Specifies the delay in PDM clock unit to apply on right microphone.
This parameter must be a number between Min_Data = 0 and Max_Data = 7. */
} SAIEx_PdmMicDelayParamTypeDef;
/**
* @}
*/
/* Exported constants --------------------------------------------------------*/
/* Exported macros -----------------------------------------------------------*/
/* Exported functions --------------------------------------------------------*/
/** @addtogroup SAIEx_Exported_Functions SAIEx Extended Exported Functions
* @{
*/
/** @addtogroup SAIEx_Exported_Functions_Group1 Peripheral Control functions
* @{
*/
HAL_StatusTypeDef HAL_SAIEx_ConfigPdmMicDelay(const SAI_HandleTypeDef *hsai,
const SAIEx_PdmMicDelayParamTypeDef *pdmMicDelay);
/**
* @}
*/
/**
* @}
*/
/* Private macros ------------------------------------------------------------*/
/** @addtogroup SAIEx_Private_Macros SAIEx Extended Private Macros
* @{
*/
#define IS_SAI_PDM_MIC_DELAY(VALUE) ((VALUE) <= 7U)
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* STM32H7xx_HAL_SAI_EX_H */
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