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/******************************************************************************
Filename: clock-arch.c
Description: Timer routine file
******************************************************************************
TCP/IP stack and driver for the WiShield 1.0 wireless devices
Copyright(c) 2009 Async Labs Inc. All rights reserved.
This program is free software; you can redistribute it and/or modify it
under the terms of version 2 of the GNU General Public License as
published by the Free Software Foundation.
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., 59
Temple Place - Suite 330, Boston, MA 02111-1307, USA.
Contact Information:
<asynclabs@asynclabs.com>
Author Date Comment
---------------------------------------------------------------
AsyncLabs 05/29/2009 Initial port
*****************************************************************************/
#include "global-conf.h"
#include <stdint.h>
#include <stdlib.h>
#include <stdio.h>
#include <avr/interrupt.h>
#include <avr/io.h>
#include <avr/sfr_defs.h>
#include "clock-arch.h"
#include "wiring.h"
#if 0
//Counted time
clock_time_t clock_datetime = 0;
//Overflow interrupt
ISR(TIMER0_OVF_vect)
{
clock_datetime += 1;
TIFR0 |= (1<<TOV0);
}
*/
//Initialise the clock
void clock_init(){
//Activate overflow interrupt for timer0
TIMSK0 |= (1<<TOIE0);
//Use prescaler 1024
TCCR0B |= ((1<<CS12)|(1<<CS10));
//Activate interrupts
sei();
}
//Return time
clock_time_t clock_time(){
clock_time_t time;
cli();
time = clock_datetime;
sei();
return time;
}
#endif
//Return time
clock_time_t clock_time()
{
return millis();
}