git.zerfleddert.de Git - fnordlicht-mini/blob - firmware/fnordlicht-controller/timer.h

   1 /*
   2  * unzap firmware
   3  *
   4  * (c) by Alexander Neumann <alexander@lochraster.org>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18  *
  19  * For more information on the GPL, please go to:
  20  * http://www.gnu.org/copyleft/gpl.html
  21  */
  22
  23 /* small timer library, uses timer2 */
  24
  25 #ifndef __TIMER_H
  26 #define __TIMER_H
  27
  28 #include <stdint.h>
  29 #include <stdbool.h>
  30
  31 /* structures */
  32 typedef struct {
  33     uint8_t current;
  34     uint8_t timeout;
  35 } timer_t;
  36
  37 /* functions */
  38 void timer_init(void);
  39 void timer_set(timer_t *t, uint8_t timeout);
  40 bool timer_expired(timer_t *t);
  41
  42 #endif