65 lines
1.8 KiB
C
65 lines
1.8 KiB
C
// Copyright 2018-2020 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef _dsps_conv_H_
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#define _dsps_conv_H_
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#include "dsp_err.h"
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#include "dsps_conv_platform.h"
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/**@{*/
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/**
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* @brief Convolution
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*
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* The function convolve Signal array with Kernel array.
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* The implementation use ANSI C and could be compiled and run on any platform
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*
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* @param[in] Signal: input array with signal
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* @param[in] siglen: length of the input signal
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* @param[in] Kernel: input array with convolution kernel
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* @param[in] kernlen: length of the Kernel array
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* @param convout: output array with convolution result length of (siglen + Kernel -1)
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*
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* @return
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* - ESP_OK on success
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* - One of the error codes from DSP library
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*/
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esp_err_t dsps_conv_f32_ae32(const float *Signal, const int siglen, const float *Kernel, const int kernlen, float *convout);
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esp_err_t dsps_conv_f32_ansi(const float *Signal, const int siglen, const float *Kernel, const int kernlen, float *convout);
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/**@}*/
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#ifdef __cplusplus
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}
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#endif
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#ifdef CONFIG_DSP_OPTIMIZED
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#if (dsps_conv_f32_ae32_enabled == 1)
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#define dsps_conv_f32 dsps_conv_f32_ae32
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#else
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#define dsps_conv_f32 dsps_conv_f32_ansi
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#endif // dsps_conv_f32_ae32_enabled
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#else
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#define dsps_conv_f32 dsps_conv_f32_ansi
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#endif
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#endif // _dsps_conv_H_
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