95 lines
3.3 KiB
C
95 lines
3.3 KiB
C
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/******************************************************************************
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* arch/arm/src/stm32f7/stm32_sai.h
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*
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* Copyright (C) 2019 Gregory Nutt. All rights reserved.
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* Copyright (c) 2016 Motorola Mobility, LLC. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************/
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#ifndef __ARCH_ARM_SRC_STM32F7_STM32_SAI_H
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#define __ARCH_ARM_SRC_STM32F7_STM32_SAI_H
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/******************************************************************************
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* Included Files
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******************************************************************************/
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#include <nuttx/config.h>
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#include "chip.h"
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#include "hardware/stm32_sai.h"
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#include <nuttx/audio/i2s.h>
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/******************************************************************************
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* Pre-processor definitions
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******************************************************************************/
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#define SAI1_BLOCK_A 0
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#define SAI1_BLOCK_B 1
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#define SAI2_BLOCK_A 2
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#define SAI2_BLOCK_B 3
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/******************************************************************************
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* Public Function Prototypes
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******************************************************************************/
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#ifndef __ASSEMBLY__
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Name: stm32_sai_initialize
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*
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* Description:
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* Initialize the selected SAI block
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*
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* Input Parameters:
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* intf - I2S interface number (identifying the "logical" SAI interface)
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*
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* Returned Value:
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* Valid I2S device structure reference on success; a NULL on failure
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*
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****************************************************************************/
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struct i2s_dev_s *stm32_sai_initialize(int intf);
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __ARCH_ARM_SRC_STM32F7_STM32_SAI_H */
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