-- How to add Buttons:
-- https://siminnovations.com/wiki/index.php?title=Hw_button_add
-- hw_button_add(hw_id, pressed_callback, released_callback)
function log(buttonName, config)
    print(buttonName)
    print("default hw id: " .. arduino .. config.pin)
    print("event: " .. config.event)
    print("- - - - - - - - - - -")
end

-- add button with one event (press)
function assign(buttonName, config)
    local buttonNameWithPin = config.name .. " (Default Pin: " .. config.pin .. ")"
    hw_button_add(buttonNameWithPin, function()
        event(config.event)
    end)
end

-- add button with two events (press/release)
function assignClr(buttonName, config)
    local buttonNameWithPin = config.name .. " (Default Pin: " .. config.pin .. ")"
    hw_button_add(buttonNameWithPin, function()
        timer_clear = timer_start(2000, function()
            event(config.event2)
        end)
    end, function()
        timer_stop(timer_clear)
        event(config.event)
    end)
end

function setupButtons()
    for buttonName, config in pairs(buttons) do
        log(buttonName, config)
        if (buttonName == "CLR") then
            assignClr(buttonName, config)
        else
            assign(buttonName, config)
        end
    end
end