27 lines
1009 B
C
27 lines
1009 B
C
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#pragma once
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#include <Arduino.h>
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#include "Config.h"
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#include "NoteDetector.h"
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class SpectrumVisualizer {
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public:
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// Visualization settings
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static constexpr int DISPLAY_WIDTH = 80; // Characters wide
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static constexpr int DISPLAY_HEIGHT = 16; // Lines tall
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static constexpr float DB_MIN = 30.0f; // Minimum dB to show
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static constexpr float DB_MAX = 90.0f; // Maximum dB to show
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static void visualizeSpectrum(const double* spectrum, int size);
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static void visualizeNotes(const std::vector<DetectedNote>& notes);
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static void drawFFTMagnitudes(const double* magnitudes, int size, bool logScale = true);
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private:
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static constexpr const char* noteNames[] = {
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"C", "C#", "D", "D#", "E", "F", "F#", "G", "G#", "A", "A#", "B"
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};
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static float magnitudeToDb(double magnitude);
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static int mapToDisplay(float value, float min, float max, int displayMin, int displayMax);
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static void printBarGraph(float value, float maxValue, int width);
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};
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