Atmel Software Framework

timing.h File Reference

Copyright (C) 2006-2010, 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.

Data Structures

struct  hr_time
 timer structure More...
 

Functions

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

Variables

volatile int alarmed
 

unsigned long get_timer ( struct hr_time val,
int  reset 
)

Return the elapsed time in milliseconds.

Parameters
valpoints to a timer structure
resetif set to 1, the timer is restarted
unsigned long hardclock ( void  )

Return the CPU cycle counter value.

Referenced by main().

void m_sleep ( int  milliseconds)

Sleep for a certain amount of time.

Parameters
Delayin milliseconds
void set_alarm ( int  seconds)

Setup an alarm clock.

Parameters
secondsdelay before the "alarmed" flag is set

volatile int alarmed