41 lines
1.0 KiB
C
41 lines
1.0 KiB
C
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/*
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* Copyright (c) 2006-2018, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2019-07-28 Ernest the first version
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*/
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#ifndef __DRV_SOUND_H_
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#define __DRV_SOUND_H_
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#include <rtthread.h>
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#include <rtdevice.h>
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#include <board.h>
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#define AUDIO_FREQUENCY_048K ((rt_uint32_t) 48000)
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#define AUDIO_FREQUENCY_044K ((rt_uint32_t) 44100)
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#define AUDIO_FREQUENCY_032K ((rt_uint32_t) 32000)
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#define AUDIO_FREQUENCY_022K ((rt_uint32_t) 22050)
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#define AUDIO_FREQUENCY_016K ((rt_uint32_t) 16000)
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#define AUDIO_FREQUENCY_011K ((rt_uint32_t) 11025)
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#define AUDIO_FREQUENCY_008K ((rt_uint32_t) 8000)
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struct drv_sai
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{
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SAI_HandleTypeDef hsai;
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DMA_HandleTypeDef hdma;
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};
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void SAIA_samplerate_set(rt_uint32_t samplerate);
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void SAIA_channels_set(rt_uint16_t channels);
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void SAIA_samplebits_set(rt_uint16_t samplebits);
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void SAIA_config_set(struct rt_audio_configure config);
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rt_err_t SAIA_tx_dma(void);
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rt_err_t SAIA_config_init(void);
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#endif
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