Lettura automatica bollette/contatori

function getCard()
    print("Aspirazione carta")
    rs.setOutput("left", true)
    sleep(0.5)
    rs.setOutput("left", false)
    sleep(1)
end

function unloadCard()
    print("Scaricamento carta")
    rs.setOutput("back", true)
    sleep(0.5)
    rs.setOutput("back", false)
    sleep(1)
end

function oustCard()
    print("Carta scartata")
    rs.setOutput("right", true)
    sleep(0.5)
    rs.setOutput("right", false)
    sleep(1)
end

function reloadCards()
    print("Ricarico carte")
    rs.setOutput("bottom", true)
    for i=60,1,-1 do
        print("Attesa: " .. i)
        sleep(1)
    end
    rs.setOutput("bottom", false)
end


sensor = peripheral.wrap("top")
print("Avviato")
while true do
    getCard()
    print("Lettura carta")
    a,b,c,d = sensor.get(1)
    if (type(b) == "string" and b == "OK") then
        name, contract, id = string.match(c, "(.*),(.*),(.*)")
        if (type(name) == "string" and type(contract) == "string" and type(id) == "string") then
            print("Nome: ".. name)
            print("Contratto: " .. contract .. " kW")
            print(b)
            print("Consumo: " .. tostring(textutils.serialize(d.energy)) .. "Wh")
            print("Contatore: " .. id .. " ")
            print("...................")
            rest = http.get("http://luanet.rgbcraft.com/servlets/ergb/aggregatore.php?utente=" .. name .. "&contatore=" .. contract .. "," .. id .. "&lettura=" ..d.energy).readAll()
            print(rest)
            unloadCard()
        else
            oustCard()
        end
    else
        print("val b era uguale a ")
        print(b)
        oustCard()
    end
    if (rs.getInput("front") == true) then
        reloadCards()
    end
    sleep(2)
end