SensorInterface.hpp

#ifndef _SENSOR_INTERFACE_
#define _SENSOR_INTERFACE_

class SensorInterface {
  public:
    enum SensorState {
      unknown = -1,
      ok = 0,
      read_error = 1,
      connect_error = 2
    };
    virtual float temperature() {
      return -1;
    }
    virtual float humidity() {
      return -1;
    }
    virtual float pressure() {
      return -1;
    }
    virtual SensorState state() {
      return unknown;
    }
};

#endif