TroykaMQ/MQ6.cpp

#include "MQ6.h"

MQ6::MQ6(uint8_t pin)
  : BaseMQ(pin) {
}

MQ6::MQ6(uint8_t pin, uint8_t pinHeater)
  : BaseMQ(pin, pinHeater) {
}

unsigned long MQ6::readLPG() {
  return readPpm(-0.42, 2.91);
}

int MQ6::readPpm(float a, float b) {
  float ratio = readRs()/_ro;
  return pow(M_E, (log(ratio)-b)/a);
}