#include typedef struct EOSABuf { uint16_t idx_r; uint16_t idx_w; uint16_t size; uint8_t *array; } EOSABuf; void eos_i2s_init(void); void eos_i2s_init_mic(uint8_t *mic_arr, uint16_t mic_arr_size, eos_evt_fptr_t mic_wm_handler, uint16_t mic_wm); void eos_i2s_init_spk(uint8_t *spk_arr, uint16_t spk_arr_size, eos_evt_fptr_t spk_wm_handler, uint16_t spk_wm); void eos_i2s_start(void); void eos_i2s_stop(void); uint16_t eos_i2s_mic_len(void); uint16_t eos_i2s_mic_read(uint8_t *sample, uint16_t ssize); int eos_i2s_mic_pop(uint8_t *sample); uint16_t eos_i2s_spk_len(void); uint16_t eos_i2s_spk_write(uint8_t *sample, uint16_t ssize); int eos_i2s_spk_push(uint8_t sample);