ppd42ns.h

#ifndef OMNI_PPD42NS_H_
#define OMNI_PPD42NS_H_

#include <Arduino.h>
#include <map>

namespace ppd42ns {
  struct Measurement {
      double ratio;
      double concentration;
  };

  Measurement measure(int pin, int duration, std::map<String, String> &environment);
}

#endif