text: #ifndef _LOW_PASS_H_
  #define _LOW_PASS_H_
  
  class LowPassFilter {
      public:
          LowPassFilter();
          LowPassFilter(float freqCut);
          LowPassFilter(float freqCut, float initValue);
          void setValue(float value);
          float getValue();
          void setFreqCut(float freq); 
          float getFreqCut();
          float update(float rawValue, float dt);
      private:
          float _value;
          float _freqCut;
          float _rc;
  };
  
  
  
  #endif
  