64 lines
2.0 KiB
C
64 lines
2.0 KiB
C
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// Copyright 2018-2019 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_view_H_
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#define _dsps_view_H_
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#include "dsp_err.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 plot view
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*
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* Generic view function.
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* This function takes input samples and show then in console view as a plot.
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* The main purpose to give and draft debug information to the DSP developer.
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*
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* @param[in] data: array with input samples.
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* @param len: length of the input array
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* @param width: plot width in symbols
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* @param height: plot height in lines
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* @param min: minimum value that will be limited by Axis Y.
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* @param max: maximum value that will be limited by Axis Y.
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* @param view_char: character to draw the plot calues ('.' or '|' etc)
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*
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*/
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void dsps_view(const float *data, int32_t len, int width, int height, float min, float max, char view_char);
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void dsps_view_s16(const int16_t *data, int32_t len, int width, int height, float min, float max, char view_char);
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/**@}*/
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/**
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* @brief spectrum view
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*
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* The view function to show spectrum values in 64x10 screen.
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* The function based on dsps_view.
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*
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* @param[in] data: array with input samples.
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* @param len: length of the input array
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* @param min: minimum value that will be limited by Axis Y.
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* @param max: maximum value that will be limited by Axis Y.
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*
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*/
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void dsps_view_spectrum(const float *data, int32_t len, float min, float max);
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#ifdef __cplusplus
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}
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#endif
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#endif // _dsps_view_H_
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