38 lines
549 B
C
38 lines
549 B
C
/*
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* SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Unlicense OR CC0-1.0
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*/
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#pragma once
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "esp_err.h"
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#define N_SAMPLES 1024
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/**
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* @brief write ring buffer
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*
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* @param buf pointer of buffer
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* @param size buffer length
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*/
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void rb_write(int16_t *buf, size_t size);
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/**
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* @brief FFT Convert Init
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*
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* @return esp_err_t
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* ESP_OK Success
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* ESP_FAIL Failed
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*/
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esp_err_t fft_convert_init(void);
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#ifdef __cplusplus
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}
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#endif
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