Free-Running Counter and Busy Wait Delay API. More...

#include <rtems/score/cpu.h>

Typedefs
typedef CPU_Counter_ticks	rtems_counter_ticks
	Unsigned integer type for counter values.

Functions
static uint32_t	rtems_counter_frequency (void)
	Returns the current counter frequency in Hz. More...

static rtems_counter_ticks	rtems_counter_read (void)
	Reads the current counter value. More...

static rtems_counter_ticks	rtems_counter_difference (rtems_counter_ticks second, rtems_counter_ticks first)
	Returns the difference between the second and first CPU counter value. More...

uint64_t	rtems_counter_ticks_to_nanoseconds (rtems_counter_ticks ticks)
	Converts counter ticks into nanoseconds. More...

rtems_counter_ticks	rtems_counter_nanoseconds_to_ticks (uint32_t nanoseconds)
	Converts nanoseconds into counter ticks. More...

int64_t	rtems_counter_ticks_to_sbintime (rtems_counter_ticks ticks)
	Converts counter ticks into signed binary time (sbintime_t). More...

rtems_counter_ticks	rtems_counter_sbintime_to_ticks (int64_t sbt)
	Converts signed binary time (sbintime_t) into counter ticks. More...

void	rtems_counter_initialize_converter (uint32_t frequency)
	Initializes the counter ticks to/from nanoseconds converter functions. More...

void	rtems_counter_delay_ticks (rtems_counter_ticks ticks)
	Busy wait for some counter ticks. More...

void	rtems_counter_delay_nanoseconds (uint32_t nanoseconds)
	Busy wait for some nanoseconds. More...

Detailed Description

Free-Running Counter and Busy Wait Delay API.

Definition in file counter.h.

Typedefs