 
   use GenServer
   require Logger
-
-  # Calculate this at runtime.
-  defp executable_path do
-    "#{:code.priv_dir(:nerves_neopixel)}/rpi_ws281x"
-  end
 
   def start_link(channel1, channel2 \\ [pin: 0, count: 0]) do
     GenServer.start_link(__MODULE__, [channel1, channel2], [name: __MODULE__])

    end)
  end

end

    {:reply, :ok, s}
  end

  def handle_info {_port, {:exit_status, exit_status}}, state do
    {:stop, "rpi_ws281x OS process died with status: #{exit_status}", state}
  end

  defp ws2811_brg(data) when is_list(data) do
