# File lib/nxt_comm.rb, line 545
  def ls_read(port)
    cmd = [port]
    result = send_and_receive @@op_codes["ls_read"], cmd
    if result
        result = result.from_hex_str
      {
        :bytes_read => result[0],
        :data       => result[1..-1]
      }
    else
      false
    end
  end