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

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+/*****************************************************************
+>file name : voice_mic_data.h
+>author : lichao
+>create time : Mon 01 Nov 2021 05:08:11 PM CST
+*****************************************************************/
+#ifndef _VOICE_MIC_DATA_H_
+#define _VOICE_MIC_DATA_H_
+
+#include "asm/audio_adc.h"
+
+#define VOICE_VAD_MIC         0
+#define VOICE_MCU_MIC         1
+#define VOICE_DEFULT_MIC      VOICE_VAD_MIC
+
+#define VOICE_ADC_SAMPLE_RATE               16000
+#define VOICE_ADC_SAMPLE_CH                 1
+#define VOICE_MIC_DATA_SAMPLE_PREIOD        10
+#define VOICE_MIC_DATA_PERIOD_FRAMES        (VOICE_MIC_DATA_SAMPLE_PREIOD * VOICE_ADC_SAMPLE_RATE / 1000)
+
+
+void *voice_mic_data_open(u8 source, int buffer_size, int sample_rate);
+
+void voice_mic_data_close(void *mic);
+
+int voice_mic_data_read(void *mic, void *data, int len);
+
+int voice_mic_data_buffered_samples(void *mic);
+
+void voice_mic_data_clear(void *mic);
+
+void voice_mic_data_dump(void *mic);
+
+void *voice_mic_data_capture(int sample_rate, void *priv, void (*output)(void *priv, s16 *data, int len));
+
+void voice_mic_data_stop_capture(void *mic);
+
+void voice_mic_data_switch_source(void *mic, u8 source, int buffer_size, int sample_rate);
+
+#endif