42 lines
1.1 KiB
C
42 lines
1.1 KiB
C
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/***************************************************************************
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*
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* Copyright 2015-2019 BES.
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* All rights reserved. All unpublished rights reserved.
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*
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* No part of this work may be used or reproduced in any form or by any
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* means, or stored in a database or retrieval system, without prior written
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* permission of BES.
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*
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* Use of this work is governed by a license granted by BES.
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* This work contains confidential and proprietary information of
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* BES. which is protected by copyright, trade secret,
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* trademark and other intellectual property rights.
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*
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****************************************************************************/
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#ifndef __PEAK_DETECTOR_H__
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#define __PEAK_DETECTOR_H__
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#include "plat_types.h"
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#include "hal_aud.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct {
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enum AUD_SAMPRATE_T fs;
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enum AUD_BITS_T bits;
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float factor_up;
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float factor_down;
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float reduce_dB;
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} PEAK_DETECTOR_CFG_T;
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void peak_detector_init(void);
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void peak_detector_setup(PEAK_DETECTOR_CFG_T *cfg);
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void peak_detector_run(uint8_t *buf, uint32_t len, float vol_multiple);
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#ifdef __cplusplus
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}
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#endif
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#endif
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