rednet.open("left");
print("Elevator Control Client v0.1 ")
print("------------------------------------")
print("Use your rednet device to control")
print(" -- 'UP' to move up")
print(" -- 'DOWN' to move down")
print(" -- 'UPDATE' to perform firmware update")
print("")

for i=1, 100 do
	turtle.down()
end

while true do
    id, command = rednet.receive()

    if (command == "UP") then
        turtle.up()
    else
        if (command == "DOWN") then
            turtle.down()
        else
            if (command == "UPDATE") then
                id, link = rednet.receive()
                print ("Updating firmware....")
                sleep(5)

                shell.run("delete startup");
                shell.run("pastebin get " .. link .. " startup")

                print("Update DONE.")
                sleep(2)
                os.reboot()
            end
        end
    end

end