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OTGateway/lib/Equitherm/Equitherm.h

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#include <Arduino.h>
#if defined(EQUITHERM_INTEGER)
// расчёты с целыми числами
typedef int datatype;
#else
// расчёты с float числами
typedef float datatype;
#endif
class Equitherm {
public:
datatype targetTemp = 0;
datatype indoorTemp = 0;
datatype outdoorTemp = 0;
float Kn = 0.0;
float Kk = 0.0;
float Kt = 0.0;
float Ke = 1.3;
Equitherm() = default;
// kn, kk, kt, Ke
Equitherm(float new_kn, float new_kk, float new_kt, float new_ke) {
Kn = new_kn;
Kk = new_kk;
Kt = new_kt;
Ke = new_ke;
}
// лимит выходной величины
void setLimits(unsigned short min_output, unsigned short max_output) {
_minOut = min_output;
_maxOut = max_output;
}
// возвращает новое значение при вызове
datatype getResult() {
datatype output = getResultN() + Kk + getResultT();
output = constrain(output, _minOut, _maxOut); // ограничиваем выход
return output;
}
private:
unsigned short _minOut = 20, _maxOut = 90;
datatype getResultN()
{
float tempDelta = targetTemp - outdoorTemp,
maxPoint = targetTemp - (_maxOut - targetTemp) / Kn,
sf = (_maxOut - targetTemp) / pow(targetTemp - maxPoint, 1.0 / Ke),
T_rad = targetTemp + sf * (tempDelta >= 0 ? pow(tempDelta, 1.0 / Ke) : -pow(-tempDelta, 1.0 / Ke));
return T_rad > _maxOut ? _maxOut : T_rad;
}
// Реакция на разницу с целевой температурой
datatype getResultT() {
return constrain((targetTemp - indoorTemp), -3, 3) * Kt;
}
};