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[fnordlicht-mini] / 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
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