precision_clock.h File Reference

Protocol-neutral precision clock operations. More...

#include <stdint.h>
#include <zephyr/precision_timing/precision_time.h>

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Data Structures
struct	precision_clock_api
	Operations implemented by a precision clock adapter. More...
struct	precision_clock
	Protocol-neutral precision clock instance. More...

Macros
#define	PRECISION_CLOCK_SCALED_PPM_SHIFT   16
	Number of fractional bits in a scaled parts-per-million rate adjustment.
#define	PRECISION_CLOCK_SCALED_PPM_ONE   (INT64_C(1) << PRECISION_CLOCK_SCALED_PPM_SHIFT)
	One part per million in the scaled rate-adjustment representation.

Functions
int	precision_clock_read (const struct precision_clock *precision_clk, precision_time_t *time_ns)
	Read a precision clock.
int	precision_clock_set (const struct precision_clock *precision_clk, precision_time_t time_ns)
	Set a precision clock.
int	precision_clock_adjust_phase (const struct precision_clock *precision_clk, precision_time_t phase_ns)
	Apply a phase adjustment to a precision clock.
int	precision_clock_ppb_to_scaled_ppm (double ppb, int64_t *scaled_ppm)
	Convert parts per billion to scaled parts per million.
int	precision_clock_adjust_rate (const struct precision_clock *precision_clk, int64_t scaled_ppm)
	Set the rate offset of a precision clock.

Detailed Description

Protocol-neutral precision clock operations.