Method read

libraries/DHT20/DHT20.cpp:90–111

/////////////////////////////////////////// READ THE SENSOR

//  READ THE SENSOR
//
int DHT20::read()
{
  //  do not read to fast
  if (millis() - _lastRead < 1000)
  {
    return DHT20_ERROR_LASTREAD;
  }

  int status = requestData();
  if (status < 0) return status;
  //  wait for measurement ready
  while (isMeasuring())
  {
    yield();
  }
  //  read the measurement
  status = readData();
  if (status < 0) return status;

  //  convert it to meaningful data
  return convert();
}


int DHT20::requestData()