timing.h File Reference

Portable interface to the CPU cycle counter. More...

#include "config.h"

Include dependency graph for timing.h:

Go to the source code of this file.

Data Structures
struct	hr_time
	timer structure More...

Functions
unsigned long	hardclock (void)
	Return the CPU cycle counter value.
unsigned long	get_timer (struct hr_time *val, int reset)
	Return the elapsed time in milliseconds.
void	set_alarm (int seconds)
	Setup an alarm clock.
void	m_sleep (int milliseconds)
	Sleep for a certain amount of time.
int	timing_self_test (int verbose)
	Checkup routine.

Variables
volatile int	alarmed

Detailed Description

Portable interface to the CPU cycle counter.

Copyright (C) 2006-2014, Brainspark B.V.

This file is part of PolarSSL (http://www.polarssl.org) Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>

All rights reserved.

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

Definition in file timing.h.

Function Documentation

get_timer()

unsigned long get_timer	(	struct hr_time *	val,
		int	reset
	)

Return the elapsed time in milliseconds.

Parameters

val	points to a timer structure
reset	if set to 1, the timer is restarted

hardclock()

unsigned long hardclock

(

void

)

Return the CPU cycle counter value.

m_sleep()

void m_sleep

(

int

milliseconds

)

Sleep for a certain amount of time.

Parameters

milliseconds

delay in milliseconds

set_alarm()

void set_alarm

(

int

seconds

)

Setup an alarm clock.

Parameters

seconds

delay before the "alarmed" flag is set

timing_self_test()

int timing_self_test

(

int

verbose

)

Checkup routine.

Returns

0 if successful, or 1 if a test failed

Variable Documentation

alarmed

volatile int alarmed

extern