/***************************************************************************
 *   Copyright (C) 11/2014 by Olaf Rempel                                  *
 *   razzor@kopf-tisch.de                                                  *
 *                                                                         *
 *   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; version 2 of the License,               *
 *                                                                         *
 *   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.             *
 ***************************************************************************/
#include <avr/io.h>

#include "event.h"

/* *********************************************************************** */

#define TIMER_COUNT         2

static uint16_t timers[TIMER_COUNT];

/* *********************************************************************** */

void timer_tick(void)
{
    uint8_t i;

    for (i = 0; i < TIMER_COUNT; i++)
    {
        if (timers[i] > 0)
        {
            timers[i]--;
            if (timers[i] == 0)
            {
                event_queue(EVENT_TYPE_TIMER_ELAPSED, i, 0);
            }
        }
    }
} /* timer_tick */


void timer_event_handler(struct event_entry *event)
{
    if ((event->type == EVENT_TYPE_TIMER_SET) &&
        (event->num < TIMER_COUNT)
       )
    {
        timers[event->num] = event->value;
    }
} /* timer_event_handler */