timecounter.h File Reference

This header file provides the Timecounter Support API. More...

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

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Data Structures
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.

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
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.

Detailed Description

This header file provides the Timecounter Support API.