Packages

circuits_uart

1.4.1
1.6.0 1.5.5 1.5.4 1.5.3 1.5.2 1.5.1 1.5.0 1.4.5 1.4.4 1.4.3 1.4.2 1.4.1 1.4.0 1.3.2 1.3.1 1.3.0

Discover and use UARTs and serial ports in Elixir

HexDocs

Current section

Files

Jump to
Readme
16 Versions
1 Dependency
Dependants
Files
Activity
circuits_uart lib uart enumerator.ex
Raw

lib/uart/enumerator.ex 

defmodule Circuits.UART.Enumerator do

  @moduledoc false



  def enumerate() do

    executable = :code.priv_dir(:circuits_uart) ++ '/circuits_uart'



    port =

      Port.open({:spawn_executable, executable}, [

        {:args, ["enumerate"]},

        {:packet, 2},

        :use_stdio,

        :binary

      ])



    result =

      receive do

        {^port, {:data, <<?r, message::binary>>}} ->

          :erlang.binary_to_term(message)

      after

        5000 ->

          Port.close(port)

          %{}

      end



    result

  end

end