| /** | |
| ****************************************************************************** | |
| * @file stm32l4xx_hal_sai_ex.h | |
| * @author MCD Application Team | |
| * @brief Header file of SAI HAL extended module. | |
| ****************************************************************************** | |
| * @attention | |
| * | |
| * <h2><center>© 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_EX_H | |
| #define STM32L4xx_HAL_SAI_EX_H | |
| #ifdef __cplusplus | |
| extern "C" { | |
| #endif | |
| #if defined(STM32L4R5xx) || defined(STM32L4R7xx) || defined(STM32L4R9xx) || defined(STM32L4S5xx) || defined(STM32L4S7xx) || defined(STM32L4S9xx) | |
| /* Includes ------------------------------------------------------------------*/ | |
| #include "stm32l4xx_hal_def.h" | |
| /** @addtogroup STM32L4xx_HAL_Driver | |
| * @{ | |
| */ | |
| /** @addtogroup SAIEx | |
| * @{ | |
| */ | |
| /* Exported types ------------------------------------------------------------*/ | |
| /** @defgroup SAIEx_Exported_Types SAIEx Exported Types | |
| * @{ | |
| */ | |
| /** | |
| * @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(SAI_HandleTypeDef *hsai, SAIEx_PdmMicDelayParamTypeDef *pdmMicDelay); | |
| /** | |
| * @} | |
| */ | |
| /** | |
| * @} | |
| */ | |
| /* Private macros ------------------------------------------------------------*/ | |
| /** @addtogroup SAIEx_Private_Macros SAIEx Extended Private Macros | |
| * @{ | |
| */ | |
| #define IS_SAI_PDM_MIC_DELAY(VALUE) ((VALUE) <= 7U) | |
| /** | |
| * @} | |
| */ | |
| /** | |
| * @} | |
| */ | |
| /** | |
| * @} | |
| */ | |
| #endif /* STM32L4R5xx || STM32L4R7xx || STM32L4R9xx || STM32L4S5xx || STM32L4S7xx || STM32L4S9xx */ | |
| #ifdef __cplusplus | |
| } | |
| #endif | |
| #endif /* STM32L4xx_HAL_SAI_EX_H */ | |
| /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |