helper_smoothing.cpp

#include <Arduino.h>
#include "helper_smoothing.h"

#define MIN_FADE_TIME_TIMES_ONE_HUNDRED 10
#define MAX_FADE_TIME_TIMES_ONE_HUNDRED 80

namespace Smoothing {

    byte smoothRBGFader(byte value) //smoother fader mapping for RGB faders
    {
      int fdrval;
      if (value >= 0 && value <= 16) {
        fdrval = map(value, 0, 16, 0, 8);
      } else if (value >= 17 && value <= 100) {
        fdrval = map(value, 17, 100, 9, 200);
      } else {
        fdrval = map(value, 101, 127, 201, 255);
      }
      return fdrval;
    }

    byte mapByteToRGBFader(byte value) {
      int fdrval;
      if (value >= 0 && value <= 8) {
        fdrval = map(value, 0, 8, 0, 16);
      } else if (value >= 9 && value <= 200) {
        fdrval = map(value, 9, 200, 17, 100);
      } else {
        fdrval = map(value, 201, 255, 101, 127);
      }
      return fdrval;
    }

    byte smoothMotorFader(byte value)
    {
      byte fdrval;
      
      if (value >= 80) {
        fdrval = map(value, 80, 127, 1, 255);
      } else if (value <= 48) {
        fdrval = map(value, 48, 0, 1, 255);
      } else {
        fdrval = 0;
      }
      
      return fdrval;
    }

    int smoothRateFader(byte value) //Control for light speed / rate parameter settings - Knob B5
    {
      int encdrVal;
      
      if (value >= 0 && value <= 42) {
        encdrVal = map(value, 0, 42, 1, 100);
      } else if (value >= 43 && value <= 84) {
        encdrVal = map(value, 43, 84, 101, 1000);
      } else {
        encdrVal = map(value, 85, 127, 1001, 5000);
      }

      return encdrVal * 2;
    } 

    bool booleanButton(byte value) {

      if (value == 127) {
        return true;
      } else {
        return false;
      }
    } 

    float mapByteToPercentage(byte value) {
      return map(value,0,127,0,1000) / 1000.f;
    }

    float brightnessDecay(float brightness, int elapsed_millis, int fadeSpeed) {
      float delta_t = (elapsed_millis / 1000.0f) / (map(fadeSpeed,0,127,MIN_FADE_TIME_TIMES_ONE_HUNDRED,MAX_FADE_TIME_TIMES_ONE_HUNDRED) / 100.0f);
      return brightness - delta_t;
    }


}