function logEncoder(knobName, config)
    print(knobName)
    print("default hw id A: " .. arduino .. config.pinA)
    print("default hw id B: " .. arduino .. config.pinB)
    print("event: " .. config.event)
    print("- - - - - - - - - - -")
end

-- assign a string to a integer of encoder direction (0,1)
function leftRight(direction)
    return direction == 1 and "_Right" or "_Left"
end

-- How to add Rotary Encoders:
-- https://siminnovations.com/wiki/index.php?title=Rotary_encoder_connection_tutorial
-- https://siminnovations.com/wiki/index.php?title=Hw_dial_add
-- hw_dial_add(hw_id_a, hw_id_b, callback)
function setupEncoders()
    -- Run the four encoders through the assignment function
    for knobName, config in pairs(knobs) do
        logEncoder(knobName, config)
        local knobNameWithPin = config.name .. " (Default Pins: " .. config.pinA .. ", " .. config.pinB .. ")"
        hw_dial_add(knobNameWithPin, function(direction)
            event(config.event .. leftRight(direction))
        end)
    end
end