dualtariff.h

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#ifndef DUALTARIFF_H
#define DUALTARIFF_H
 
#include "config.h"
 
template< uint8_t N, uint8_t OffPeakDuration = 8 >
class _rg_OffsetForce
{
public:
  constexpr _rg_OffsetForce()
  {
    constexpr uint16_t uiPeakDurationInSec{ OffPeakDuration * 3600 };
    // calculates offsets for force start and stop of each load
    for (uint8_t i = 0; i != N; ++i)
    {
      const bool bOffsetInMinutes{ rg_ForceLoad[i].getStartOffset() > 24 || rg_ForceLoad[i].getStartOffset() < -24 };
      const bool bDurationInMinutes{ rg_ForceLoad[i].getDuration() > 24 && UINT16_MAX != rg_ForceLoad[i].getDuration() };
 
      _rg[i][0] = ((rg_ForceLoad[i].getStartOffset() >= 0) ? 0 : uiPeakDurationInSec) + rg_ForceLoad[i].getStartOffset() * (bOffsetInMinutes ? 60ul : 3600ul);
      _rg[i][0] *= 1000ul;  // convert in milli-seconds
 
      if (UINT8_MAX == rg_ForceLoad[i].getDuration())
      {
        _rg[i][1] = rg_ForceLoad[i].getDuration();
      }
      else
      {
        _rg[i][1] = _rg[i][0] + rg_ForceLoad[i].getDuration() * (bDurationInMinutes ? 60ul : 3600ul) * 1000ul;
      }
    }
  }
  const auto (&operator[](uint8_t i) const)
  {
    return _rg[i];
  }
 
private:
  uint32_t _rg[N][2]{};
};
 
inline uint32_t ul_TimeOffPeak; 
inline constexpr auto rg_OffsetForce{ _rg_OffsetForce< NO_OF_DUMPLOADS, ul_OFF_PEAK_DURATION >() }; 
inline void printDualTariffConfiguration()
{
  Serial.print(F("\tDuration of off-peak period is "));
  Serial.print(ul_OFF_PEAK_DURATION);
  Serial.println(F(" hours."));
 
  Serial.print(F("\tTemperature threshold is "));
  Serial.print(iTemperatureThreshold);
  Serial.println(F("°C."));
 
  for (uint8_t i = 0; i < NO_OF_DUMPLOADS; ++i)
  {
    Serial.print(F("\tLoad #"));
    Serial.print(i + 1);
    Serial.println(F(":"));
 
    Serial.print(F("\t\tStart "));
    if (rg_ForceLoad[i].getStartOffset() >= 0)
    {
      Serial.print(rg_ForceLoad[i].getStartOffset());
      Serial.print(F(" hours/minutes after begin of off-peak period "));
    }
    else
    {
      Serial.print(-rg_ForceLoad[i].getStartOffset());
      Serial.print(F(" hours/minutes before the end of off-peak period "));
    }
    if (rg_ForceLoad[i].getDuration() == UINT16_MAX)
    {
      Serial.println(F("till the end of the period."));
    }
    else
    {
      Serial.print(F("for a duration of "));
      Serial.print(rg_ForceLoad[i].getDuration());
      Serial.println(F(" hour/minute(s)."));
    }
    Serial.print(F("\t\tCalculated offset in seconds: "));
    Serial.println(rg_OffsetForce[i][0] * 0.001F);
    Serial.print(F("\t\tCalculated duration in seconds: "));
    Serial.println(rg_OffsetForce[i][1] * 0.001F);
  }
}
 
#endif /* DUALTARIFF_H */