docs: public synchronized static void write(int fd, InputStream input) throws IOException {
  
          // ensure bytes are available
          if(input.available() <= 0){
              throw new IOException("No available bytes in input stream to write to serial port.");
          }
  
          ByteArrayOutputStream buffer = new ByteArrayOutputStream();
          int length;
          byte[] data = new byte[1024];
          while ((length = input.read(data, 0, data.length)) != -1) {
              buffer.write(data, 0, length);
          }
          buffer.flush();
  
          // write bytes to serial port
          write(fd, buffer.toByteArray(), buffer.size());
      }