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Beam Bots - The framework for resilient robotics.

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bb lib bb error safety emergency_stop.ex
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lib/bb/error/safety/emergency_stop.ex 

# SPDX-FileCopyrightText: 2025 James Harton

#

# SPDX-License-Identifier: Apache-2.0



defmodule BB.Error.Safety.EmergencyStop do

  @moduledoc """

  Emergency stop triggered.



  Raised when an emergency stop condition is detected, either from

  hardware (e-stop button) or software safety systems.

  """

  use BB.Error,

    class: :safety,

    fields: [:source, :reason]



  defimpl BB.Error.Severity do

    def severity(_), do: :critical

  end



  def message(%{source: source, reason: nil}) do

    "Emergency stop triggered by #{inspect(source)}"

  end



  def message(%{source: source, reason: reason}) do

    "Emergency stop triggered by #{inspect(source)}: #{reason}"

  end

end