timer.hpp

#ifndef QOS_CPP_TIMER
#define QOS_CPP_TIMER
 
#include "include/types.hpp"
#include "include/clock.hpp"
 
namespace qOS {


    class timer {
        private:
            qOS::clock_t tStart{ 0U };
            qOS::clock_t tv{ 0U };
        public:
            timer() noexcept;
            virtual ~timer() {}
            explicit timer( const qOS::duration_t tTime )
            {
                (void)set( tTime );
            }

            bool set( const qOS::duration_t tTime ) noexcept;
            void disarm( void ) noexcept;
            void reload( void ) noexcept;
            bool status( void ) const noexcept;
            bool reloadIfExpired( const qOS::duration_t tTime ) noexcept;
            bool reloadIfExpired( void ) noexcept;
            qOS::clock_t remaining( void ) const noexcept;
            qOS::clock_t elapsed( void ) const noexcept;
            bool expired( void ) const noexcept;
            bool deadLineCheck( void ) const noexcept;
            qOS::clock_t getInterval( void ) const noexcept;
            timer& operator=( const qOS::duration_t tTime );
            timer& operator=( const bool en );
            bool operator()( void ) const;
            bool operator()( const qOS::duration_t tTime );
            void operator()( const bool en );
            explicit operator bool() const noexcept {
                return expired();
            }

            static const bool ARMED;
            static const bool DISARMED;
            static const qOS::clock_t DISARM_VALUE;
            static const qOS::clock_t REMAINING_IN_DISARMED_STATE;
    };

}
 
bool operator==( const qOS::timer& obj, bool value );
 
#endif /*QOS_CPP_TIMER*/