counter.h File Reference

This header file defines the Free-Running Counter and Busy Wait Delay API. More...

#include <rtems/score/cpu.h>

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Typedefs
typedef CPU_Counter_ticks	rtems_counter_ticks
	Unsigned integer type for counter values.

Functions
uint64_t	rtems_counter_ticks_to_nanoseconds (rtems_counter_ticks ticks)
	Converts counter ticks into nanoseconds.
rtems_counter_ticks	rtems_counter_nanoseconds_to_ticks (uint32_t nanoseconds)
	Converts nanoseconds into counter ticks.
int64_t	rtems_counter_ticks_to_sbintime (rtems_counter_ticks ticks)
	Converts counter ticks into signed binary time (sbintime_t).
rtems_counter_ticks	rtems_counter_sbintime_to_ticks (int64_t sbt)
	Converts signed binary time (sbintime_t) into counter ticks.
void	rtems_counter_initialize_converter (uint32_t frequency)
	Initializes the counter ticks to/from nanoseconds converter functions.
void	rtems_counter_delay_ticks (rtems_counter_ticks ticks)
	Busy wait for some counter ticks.
void	rtems_counter_delay_nanoseconds (uint32_t nanoseconds)
	Busy wait for some nanoseconds.

Detailed Description

This header file defines the Free-Running Counter and Busy Wait Delay API.