cmd

function terminal()
  local cmd
  write("Lavapump-MCU>")
  cmd = read()
  return cmd
end
function process()
  while true do
    local ccmdipt = terminal()
    local command = {}
    local loop = 1
      for cmd in string.gmatch(ccmdipt, "%a+") do
        local command[loop] = cmd
        loop = loop + 1
      end
      if command[1] == "cmd1" then
        --do stuff
        write("cmd1")
      elseif command[1] == "cmd2" then
        --do stuff
      else
        print("Unknow command type help <command> for help")
      end
  end
end
process()