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- /*
- * Copyright (c) 2022 HPMicro
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
- #ifndef DRV_I2S_H
- #define DRV_I2S_H
- #define I2S_FIFO_SIZE (2048)
- /* channel parameter of I2S intsance */
- #define AUDIO_PARM_I2S_DATA_LINE 4
- int rt_hw_i2s_init(void);
- #endif /* DRV_I2S_H */
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