irqtimers.h

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/*
 * irq_timers.h
 *
 *  Created on: 05-03-2011
 *      Author: lucck
 */
/*-----------------------------------------------------------------------*/

#ifndef ISIX_IRQTIMERS_H_
#define ISIX_IRQTIMERS_H_
#ifdef ISIX_CONFIG_USE_TIMERS
/*-----------------------------------------------------------------------*/
#include <isix/config.h>
#include <isix/types.h>
#include <isix/semaphore.h>
/*-----------------------------------------------------------------------*/
#ifdef __cplusplus
extern "C" {
namespace isix {
#endif /*__cplusplus*/

/*-----------------------------------------------------------------------*/
/* Structure definition for hidding the type */
struct vtimer_struct;
typedef struct vtimer_struct vtimer_t;

/*-----------------------------------------------------------------------*/
vtimer_t* isix_vtimer_create(void (*func)(void*),void *arg );
/*-----------------------------------------------------------------------*/
int isix_vtimer_start(vtimer_t* timer, tick_t timeout);
/*-----------------------------------------------------------------------*/
static inline int isix_vtimer_stop(vtimer_t* timer)
{
        return isix_vtimer_start( timer, 0 );
}
/*-----------------------------------------------------------------------*/
int isix_vtimer_destroy(vtimer_t* timer);
/*-----------------------------------------------------------------------*/
static inline int isix_vtimer_start_ms(vtimer_t* timer, tick_t timeout)
{
        return isix_vtimer_start( timer, timeout>0?isix_ms2tick(timeout):0 );
}

/*-----------------------------------------------------------------------*/
#ifdef __cplusplus
}       //end namespace
}       //end extern-C
#endif /* __cplusplus */

/*-----------------------------------------------------------------------*/
/****************************** C++ API ***********************************/
#ifdef __cplusplus
#include <cstddef>

namespace isix {
/*-----------------------------------------------------------------------*/
class virtual_timer
{
public:
        virtual_timer()
        {
                timer = isix_vtimer_create( vtimer_func, this );
        }
        ~virtual_timer()
        {
                isix_vtimer_destroy( timer );
        }
        bool is_valid() { return timer!=0; }
        int start(tick_t timeout) { return isix_vtimer_start( timer, timeout ); }
        int start_ms(tick_t timeout) { return isix_vtimer_start( timer, timeout ); }
        int stop() { return isix_vtimer_stop( timer ); }

protected:
        virtual void handle_timer() = 0;
private:
        static void vtimer_func(void *ptr)
        {
                static_cast<virtual_timer*>(ptr)->handle_timer();
        }
private:
        //Noncopyable
        virtual_timer(const virtual_timer&);
        virtual_timer& operator=(const virtual_timer&);
private:
        vtimer_t *timer;
};
/*-----------------------------------------------------------------------*/
}
/*-----------------------------------------------------------------------*/
#endif /*  __cplusplus */
/*-----------------------------------------------------------------------*/

#endif /*ISIX_CONFIG_USE_TIMERS */
#endif /* IRQ_TIMERS_H_ */
/*-----------------------------------------------------------------------*/