HoneyDrone.lua

-- HoneyDrone.lua

-- Get Component APIs via proxy, since we are in a drone BIOS.
local control_drone = component.proxy(component.list("drone")())
local control_inv = component.proxy(component.list("inventory_controller")())
local control_nav = component.proxy(component.list("navigation")())
local Sides = component.proxy(component.list("sides")())

function SearchInventoryBelow()

    local inventorySize
    local error
    inventorySize, error = control_inv.getInventorySize(Sides.bottom)

    if inventorySize == nil and error ~= nil then
        control_drone.setStatusText(error)
    else
        control_drone.setStatusText(inventorySize .. " slots in inventory.")
    end

end

-- Entry Point
function DroneMain()

    while true do
        SearchInventoryBelow()
    end

end

-- Finally, after all our code has been defined, call our main self-defined entry point!
DroneMain()