64 lines
2.5 KiB
C++

/****************************************************************************
*
* Copyright (c) 2022 PX4 Development Team. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name PX4 nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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****************************************************************************/
/**
* @file Safety.hpp
*/
#pragma once
#include <uORB/SubscriptionMultiArray.hpp>
#include <uORB/Publication.hpp>
#include <uORB/topics/button_event.h>
class Safety
{
public:
Safety();
~Safety() = default;
bool safetyButtonHandler();
void activateSafety();
bool isButtonAvailable() const { return _button_available; }
bool isSafetyOff() const { return _safety_off; }
bool isSafetyDisabled() const { return _safety_disabled; }
private:
uORB::Subscription _safety_button_sub{ORB_ID::safety_button};
bool _button_available{false};///< Set to true if a safety button is connected
bool _safety_off{false}; ///< Set to true if safety is off
bool _previous_safety_off{false}; ///< Previous safety value
bool _safety_disabled{false}; ///< Set to true if safety is disabled
};