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