irq.hpp

Go to the documentation of this file.

/*
* Copyright (C) 2021 Jens Wetterich <jens@wetterich-net.de>
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
#ifndef IRQ_HPP
#define IRQ_HPP
#include "irq.h"
 
namespace riot {
class irq_lock {
public:
    static inline bool is_locked() noexcept {
        return irq_is_enabled() == 0;
    }

    static inline bool is_isr() noexcept {
        return irq_is_in() != 0;
    }

    inline irq_lock() : state(irq_disable()) {
    }

    inline ~irq_lock() {
        irq_restore(state);
    }
 
    irq_lock(irq_lock const& irq) = delete;
    irq_lock(irq_lock const&& irq) = delete;
 
private:
    unsigned int state;
};
}// namespace riot
#endif /* IRQ_HPP */