Variables needed for system clock. More...

#include <sys/util.h>
#include <sys/dlist.h>
#include <toolchain.h>
#include <zephyr/types.h>
#include <sys/time_units.h>

Macros
#define	K_TICKS_FOREVER ((k_ticks_t) -1)

#define	K_TIMEOUT_EQ(a, b) ((a).ticks == (b).ticks)
	Compare timeouts for equality. More...

#define	NSEC_PER_USEC 1000U

#define	USEC_PER_MSEC 1000U

#define	MSEC_PER_SEC 1000U

#define	USEC_PER_SEC ((USEC_PER_MSEC) * (MSEC_PER_SEC))

#define	NSEC_PER_SEC ((NSEC_PER_USEC) * (USEC_PER_MSEC) * (MSEC_PER_SEC))

#define	SYS_CLOCK_HW_CYCLES_TO_NS_AVG(X, NCYCLES) (uint32_t)(k_cyc_to_ns_floor64(X) / NCYCLES)

Typedefs
typedef uint32_t	k_ticks_t
	Tick precision used in timeout APIs. More...

Functions
uint32_t	sys_clock_tick_get_32 (void)
	Return the lower part of the current system tick count. More...

int64_t	sys_clock_tick_get (void)
	Return the current system tick count. More...

uint64_t	sys_clock_timeout_end_calc (k_timeout_t timeout)

Detailed Description

Variables needed for system clock.

Declare variables used by both system timer device driver and kernel components that use timer functionality.

Macro Definition Documentation

#define MSEC_PER_SEC 1000U

#define NSEC_PER_SEC ((NSEC_PER_USEC) * (USEC_PER_MSEC) * (MSEC_PER_SEC))

#define NSEC_PER_USEC 1000U

#define SYS_CLOCK_HW_CYCLES_TO_NS_AVG	(	X,
		NCYCLES
	)	(uint32_t)(k_cyc_to_ns_floor64(X) / NCYCLES)

#define USEC_PER_MSEC 1000U

#define USEC_PER_SEC ((USEC_PER_MSEC) * (MSEC_PER_SEC))

int64_t sys_clock_tick_get ( void )

Return the current system tick count.

uint32_t sys_clock_tick_get_32 ( void )

Return the lower part of the current system tick count.

uint64_t sys_clock_timeout_end_calc ( k_timeout_t timeout )