在逗猫棒的基础上实现蓝牙转USB功能，目前功能已经实现，还需裁剪掉之前逗猫棒的业务程序

2026-07-24 11:41:08 +08:00
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+
+#ifndef AUDIO_ANC_MULT_SCENE_H
+#define AUDIO_ANC_MULT_SCENE_H
+
+#include "generic/typedef.h"
+#include "asm/anc.h"
+
+typedef enum {
+    ANC_MULT_COEFF_FILL_ALL = 0,	//滤波器全部填充
+    ANC_MULT_COEFF_FILL_PART,		//滤波器部分填充
+} ANC_coeff_fill_t;
+
+int audio_anc_mult_coeff_file_read(void);
+
+void anc_mult_init(audio_anc_t *param);
+
+int anc_mult_scene_set(u16 scene_id);
+
+int audio_anc_mult_coeff_write(ANC_coeff_fill_t type, int *coeff, u16 len);
+
+void audio_anc_mult_scene_coeff_free(void);
+
+void audio_anc_mult_gains_id_set(u8 gain_id, int data);
+
+int audio_anc_mult_scene_id_check(u16 scene_id);
+
+#endif/*AUDIO_ANC_MULT_SCENE_H*/