huxi
24 lines
676 B
C
24 lines
676 B
C
#ifndef MIC_DATA_H
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#define MIC_DATA_H
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#include "asm/audio_adc.h"
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#define VOICE_VAD_MIC 0
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#define VOICE_MCU_MIC 1
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#define VOICE_DEFULT_MIC VOICE_VAD_MIC
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#define VOICE_ADC_SAMPLE_RATE 16000
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#define VOICE_ADC_SAMPLE_CH 1
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#define VOICE_MIC_DATA_SAMPLE_PREIOD 10
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#define VOICE_MIC_DATA_PERIOD_FRAMES (VOICE_MIC_DATA_SAMPLE_PREIOD * VOICE_ADC_SAMPLE_RATE / 1000)
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void *mic_data_open(u8 source, int buffer_size, int sample_rate);
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void mic_data_close(void *mic);
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int mic_data_read(void *mic, void *data, int len);
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int mic_data_buffered_samples(void *mic);
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void mic_data_clear(void *mic);
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#endif /* MIC_DATA_H */
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