xran_timer.c File Reference

This file provides implementation to Timing for XRAN. More...

#include <time.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include "xran_timer.h"
#include "xran_printf.h"
#include "xran_mlog_lnx.h"
#include "xran_lib_mlog_tasks_id.h"
#include "ethdi.h"
#include "xran_fh_o_du.h"
#include "xran_common.h"

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Macros
#define	NSEC_PER_SEC   1000000000L
#define	NSEC_PER_USEC   1000L
#define	THRESHOLD   35
#define	TIMECOMPENSATION   2
#define	SEC_MOD_STOP   (60)

Functions
uint64_t	timing_get_current_second (void)
int	timing_set_numerology (uint8_t value)
int	timing_set_debug_stop (int value, int count)
int	timing_get_debug_stop (void)
void	timing_adjust_gps_second (struct timespec *p_time)
uint64_t	xran_tick (void)
unsigned long	get_ticks_diff (unsigned long curr_tick, unsigned long last_tick)
long	poll_next_tick (long interval_ns, unsigned long *used_tick)
long	sleep_next_tick (long interval)

Variables
uint32_t	xran_lib_ota_sym
uint32_t	xran_lib_ota_tti
uint32_t	xran_lib_ota_sym_idx

Detailed Description

This file provides implementation to Timing for XRAN.

Author

Intel Corporation

Definition in file xran_timer.c.

Macro Definition Documentation

NSEC_PER_SEC

#define NSEC_PER_SEC   1000000000L

Definition at line 41 of file xran_timer.c.

NSEC_PER_USEC

#define NSEC_PER_USEC   1000L

Definition at line 42 of file xran_timer.c.

SEC_MOD_STOP

#define SEC_MOD_STOP   (60)

Definition at line 46 of file xran_timer.c.

THRESHOLD

#define THRESHOLD   35

the avg cost of clock_gettime() in ns

Definition at line 43 of file xran_timer.c.

TIMECOMPENSATION

#define TIMECOMPENSATION   2

time compensation in us, avg latency of clock_nanosleep

Definition at line 44 of file xran_timer.c.

Function Documentation

get_ticks_diff()

unsigned long get_ticks_diff	(	unsigned long	curr_tick,
		unsigned long	last_tick
	)

Definition at line 138 of file xran_timer.c.

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poll_next_tick()

long poll_next_tick	(	long	interval_ns,
		unsigned long *	used_tick
	)

Definition at line 146 of file xran_timer.c.

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sleep_next_tick()

long sleep_next_tick

(

long

interval

)

Definition at line 246 of file xran_timer.c.

timing_adjust_gps_second()

void timing_adjust_gps_second

(

struct timespec *

p_time

)

Definition at line 116 of file xran_timer.c.

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timing_get_current_second()

uint64_t timing_get_current_second ( void  )

inline

Definition at line 88 of file xran_timer.c.

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timing_get_debug_stop()

int timing_get_debug_stop

(

void

)

Definition at line 111 of file xran_timer.c.

timing_set_debug_stop()

int timing_set_debug_stop	(	int	value,
		int	count
	)

Definition at line 99 of file xran_timer.c.

timing_set_numerology()

int timing_set_numerology

(

uint8_t

value

)

Definition at line 93 of file xran_timer.c.

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xran_tick()

uint64_t xran_tick

(

void

)

Definition at line 131 of file xran_timer.c.

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Variable Documentation

xran_lib_ota_sym

uint32_t xran_lib_ota_sym

Symbol index in a slot [0:13]

Definition at line 112 of file xran_main.c.

xran_lib_ota_sym_idx

uint32_t xran_lib_ota_sym_idx

Symbol index in a second [0 : 14*(1000000/TTI)-1] where TTI is TTI interval in microseconds

Definition at line 113 of file xran_main.c.

xran_lib_ota_tti

uint32_t xran_lib_ota_tti

Slot index in a second [0:(1000000/TTI-1)]

Definition at line 111 of file xran_main.c.