timecounter.h File Reference

Timecounter API. More...

#include <rtems/score/timecounter.h>
#include <rtems/score/basedefs.h>

Go to the source code of this file.

Classes
struct	rtems_timecounter_simple
	Simple timecounter to support legacy clock drivers. More...

Macros
#define	RTEMS_TIMECOUNTER_QUALITY_CLOCK_DRIVER   100
	Timecounter quality for the clock drivers. More...

Typedefs
typedef void	rtems_timecounter_simple_at_tick(rtems_timecounter_simple *tc)
	At tick handling done under protection of the timecounter lock.
typedef uint32_t	rtems_timecounter_simple_get(rtems_timecounter_simple *tc)
	Returns the current value of a simple timecounter.
typedef bool	rtems_timecounter_simple_is_pending(rtems_timecounter_simple *tc)
	Returns true if the interrupt of a simple timecounter is pending, and false otherwise.

Functions
static __inline__ void	rtems_timecounter_install (struct timecounter *tc)
	Installs the timecounter. More...
static __inline__ void	rtems_timecounter_tick (void)
	Performs a timecounter tick. More...
void	rtems_timecounter_simple_install (rtems_timecounter_simple *tc, uint32_t counter_frequency_in_hz, uint32_t counter_ticks_per_clock_tick, timecounter_get_t *get_timecount)
	Initializes and installs a simple timecounter. More...
static __inline__ uint32_t	rtems_timecounter_simple_scale (const rtems_timecounter_simple *tc, uint32_t value)
	Maps a simple timecounter value into its binary frequency domain. More...
static __inline__ void	rtems_timecounter_simple_downcounter_tick (rtems_timecounter_simple *tc, rtems_timecounter_simple_get get, rtems_timecounter_simple_at_tick at_tick)
	Performs a simple timecounter tick for downcounters. More...
static __inline__ void	rtems_timecounter_simple_upcounter_tick (rtems_timecounter_simple *tc, rtems_timecounter_simple_get get, rtems_timecounter_simple_at_tick at_tick)
	Performs a simple timecounter tick for upcounters. More...
static __inline__ uint32_t	rtems_timecounter_simple_downcounter_get (struct timecounter *tc_base, rtems_timecounter_simple_get get, rtems_timecounter_simple_is_pending is_pending)
	Gets the simple timecounter value mapped to its binary frequency domain for downcounters. More...
static __inline__ uint32_t	rtems_timecounter_simple_upcounter_get (struct timecounter *tc_base, rtems_timecounter_simple_get get, rtems_timecounter_simple_is_pending is_pending)
	Gets the simple timecounter value mapped to its binary frequency domain for upcounters. More...

Detailed Description

Timecounter API.

Definition in file timecounter.h.