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60 lines
1021 B
C
60 lines
1021 B
C
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#pragma once
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//
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// FILE: moduloMap.h
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// AUTHOR: Rob Tillaart
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// VERSION: 0.1.0
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// PURPOSE: Arduino library for modulo mapping
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// DATE: 2022-10-15
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// URL: https://github.com/RobTillaart/moduloMap
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#include "Arduino.h"
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#define MODMAP_LIB_VERSION (F("0.1.0"))
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class MODMAP
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{
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public:
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MODMAP()
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{
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}
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void begin(float minimum, float maximum)
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{
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_minimum = minimum;
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_maximum = maximum;
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_range = maximum - _minimum;
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}
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float map(float value)
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{
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if ((_minimum <= value) && (value < _maximum)) return value;
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float mm = fmod((value - _minimum), _range) + _minimum;
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if (mm < _minimum) mm += _range;
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return mm;
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}
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/* for debugging
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float reference(float value)
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{
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if ((_minimum <= value) && (value < _maximum)) return value;
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float mm = fmod((value - minimum), _range) + _minimum;
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if (mm < _minimum) mm += _range;
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return mm;
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}
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*/
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private:
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float _minimum = 0;
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float _maximum = 1;
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float _range = 1;
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};
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// --- END OF FILE ---
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