feat: pass fps dynamically

pasada-lib/include/step_detector.h

@@ -36,7 +36,7 @@ protected:
     std::vector<double> buf_out;
 
 public:
-    StepDetector(StepListener *listener, bool debug = false);
+    StepDetector(double fps, StepListener *listener, bool debug = false);
     void filter(std::vector<float> values);
     std::vector<double> getBufSsd();
     std::vector<double> getBufSqi();
@@ -46,7 +46,7 @@ public:
      * Prime the filters using the given input signal.
      * Used for debugging (non-realtime processing) to align the signal.
      */
-    void primeFilters(std::vector<double> sig);
+    void primeFilters(double fps, std::vector<double> sig);
 };
 
 #endif //PASADASUPERPROJECT_STEP_DETECTOR_H