local robot = require("robot")
local component = require("component")
local sides = require("sides")
local event = require("event")
local computer = require("computer")
local rs = component.redstone
local flag = false

print("U - обновить ПО робота, E - выйти в OpenOS")

function onKeyPressed()
  local _, _, _, key, _ = event.pull(0.05, "key_down")
  if key == 0x16 then
    computer.shutdown(true)
  elseif key == 0x12 then
    os.exit()
  end
end

while true do
  onKeyPressed()
  if rs.getInput(sides.top) > 0 then
    flag = true
    robot.suckUp()
    robot.dropDown()
  else
    if flag then
      flag = false
      os.sleep(5)
    end
    robot.suckDown()
    robot.drop()
  end
end