code: func (s *SHT3xDriver) getStatusRegister() (status uint16, err error) {
  	ret, err := s.sendCommandDelayGetResponse([]byte{0xf3, 0x2d}, nil, 1)
  	if nil == err {
  		status = ret[0]
  	}
  	return
  }
docs: // getStatusRegister returns the device status register