/**
 *  \file    Atomic.hpp
 *  \project EFC_PlatformC28x
 *  \date    10 мая 2024 г.
 *  \author  leonidTitov
 *
 *  \brief Проба пера использования ассемблерного кода для atomic
 */

#ifndef ATOMIC_HPP_
#define ATOMIC_HPP_

#include <stdint.h>

namespace umlib { namespace imp {

class AtomicFlag {

    volatile uint16_t * flag;

public:

    AtomicFlag();
    AtomicFlag(const AtomicFlag &) = delete;

    AtomicFlag & operator=(const AtomicFlag &) = delete;
    AtomicFlag & operator=(const AtomicFlag &) volatile = delete;

    bool test_and_set() volatile;
    bool test_and_set();

    void clear() volatile;
    void clear();

    ~AtomicFlag();

};

}}

extern "C" {

    extern uint16_t _test_and_set_bit( volatile uint16_t * p );
    extern void _clear_bit( volatile uint16_t * p );

}

inline bool umlib::imp::AtomicFlag::test_and_set() volatile {

    return _test_and_set_bit( flag );

}

inline bool umlib::imp::AtomicFlag::test_and_set() {

    return _test_and_set_bit( flag );

}

inline void umlib::imp::AtomicFlag::clear() volatile {

    _clear_bit( flag );

}

inline void umlib::imp::AtomicFlag::clear() {

    _clear_bit( flag );

}

#endif /* ATOMIC_HPP_ */


// end file Atomic.hpp