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xmavlink

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An elixir library for MAVLink, an application that enables communication with other systems using the MAVLink protocol over serial, UDP and TCP connections, and utility modules for performing common MAVLink commands and tasks with one or more remote vehicles.

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xmavlink lib mavlink message.ex
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lib/mavlink/message.ex 

defprotocol XMAVLink.Message do

  @fallback_to_any true



  @spec pack(XMAVLink.Message.t(), 1 | 2) ::

          {

            :ok,

            XMAVLink.Types.message_id(),

            {

              :ok,

              XMAVLink.Types.crc_extra(),

              pos_integer,

              :broadcast | :system | :system_component | :component

            },

            binary()

          }

          | {:error, String.t()}

  def pack(message, version)

end



defimpl XMAVLink.Message, for: Any do

  def pack(not_a_message = %{__struct__: _}, _) do

    raise Protocol.UndefinedError, protocol: XMAVLink.Message, value: not_a_message

  end



  def pack(not_a_message, _),

    do: {:error, "pack(): #{inspect(not_a_message)} is not a MAVLink message"}

end