Method lastMeasurement

libraries/SGP30/SGP30.h:45–45

MEASUREMENTS lastMeasurement works only with measure(); not with async calls.

  //  lastMeasurement works only with measure();
  //                 not with async calls.
  uint32_t lastMeasurement() { return _lastTime; };
  //  all == false ==> only TVOC and eCO2
  //  blocks 15 - 40 milliseconds  (depends on parameter all).
  bool     measure(bool all = false);