Remote Control v2 (CC Computer)

-- Send keyboard inputs as rednet signals to a set ID
peripheral.find("modem", rednet.open);

local id = 0;
local event, key;

function setID()
    print("Setting new ID\nPress Right Ctrl to set");
    print("Last ID: "..tostring(id));
    key = 0;
    id = 0;
    while true do
        event, key = os.pullEvent("key");
        if key == 345 then
            break
        elseif key > 47 and key < 58 then
            id = id * 10 + (key - 48);
            print(tostring(id));
        end
    end
    print("ID set");
end

print("Change ID with Right Ctrl\nMove with wasd\nOther controls are R, U, I, O, P, J, K, 8, and 9.\nPress them at any time to see what they do.");
setID();

local directionKeys = {87, 32, 340, 83, 65, 68};

local function waitForPressed()
    event, key = os.pullEvent("key");
end

local function waitForReleased()
    repeat
    event, key = os.pullEvent("key_up");

    local direction = false;

    for index, value in ipairs(directionKeys) do
        if value == key then
            direction = true;
        end
    end
    until direction == false;

    key = 0;
end

local function tick()
    while true do
        os.sleep(5)
        print("Tick");
    end
end

    -- parallel.waitForAny(waitForPressed, waitForReleased);
while true do
    parallel.waitForAny(waitForPressed, waitForReleased);
    if key == 345 then
        setID();
    else
        rednet.send(id, key);
        local id, message = rednet.receive();
        if key == 49 then
            print("Selected "..message);
        elseif message ~= "" then
            print(message);
        end
    end
end