difference.h

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#ifndef _difference_H_
#define _difference_H_
 
#include "transform.h"
 
namespace sensesp {
 
// y = k1 * x1 - k2 * x2
class Difference : public FloatTransform {
 public:
  Difference(float k1, float k2, String config_path = "");
  virtual void set_input(float input, uint8_t inputChannel) override;
  virtual void get_configuration(JsonObject& doc) override;
  virtual bool set_configuration(const JsonObject& config) override;
  virtual String get_config_schema() override;
 
 private:
  uint8_t received = 0;
  float inputs[2];
  float k1;
  float k2;
};
 
}  // namespace sensesp
 
#endif