1 /*
2  * Copyright (c) 2022 HPMicro
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #ifndef DRV_I2S_H
8 #define DRV_I2S_H
9 
10 #define I2S_FIFO_SIZE (2048)
11 
12 /* channel parameter of I2S intsance */
13 #define AUDIO_PARM_I2S_DATA_LINE 4
14 
15 int rt_hw_i2s_init(void);
16 
17 #endif /* DRV_I2S_H */
18 
19