InputColor.h

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#ifndef INPUT_COLOR_H
#define INPUT_COLOR_H
 
#include <Arduino.h>
 
#include "TinyTrainable.h"
 
#include "Input.h"
 
// https://www.arduino.cc/en/Reference/ArduinoAPDS9960
#include <Arduino_APDS9960.h>
 
#include <Arduino_KNN.h>
 
class InputColor : public Input {
 
public:
  InputColor();
 
  void setupSensorAPDS9960();
 
  virtual void setupInstrument(bool serialDebugging) override;
  virtual void trainKNN(int k, int examplesPerClass, String objects[3]) override;
  virtual void identify() override;
 
  // @brief instance of K-nearest neighbors algorithm
  KNNClassifier _myKNN;
  String _labels[3];
  int _previousClassification = -1;
 
  void readColor(float color[]);
 
  int _k = -1;
 
  float _colorThreshold = 0.5;
  float _colorReading[3];
  bool _checkedSetup = false;
};
 
#endif