timer.h Source File

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timer.h
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1 #ifndef TIMER_H
2 #define TIMER_H
3 
4 /*
5  * Copyright (C) 2006-2010 Anders Gavare. All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright
11  * notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  * notice, this list of conditions and the following disclaimer in the
14  * documentation and/or other materials provided with the distribution.
15  * 3. The name of the author may not be used to endorse or promote products
16  * derived from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  */
30 
31 struct timer;
32 
33 #define TIMER_BASE_FREQUENCY 65.0 /* Hz */
34 
35 struct timer *timer_add(double freq, void (*timer_tick)(struct timer *timer,
36  void *extra), void *extra);
37 void timer_remove(struct timer *t);
38 
39 void timer_update_frequency(struct timer *t, double new_freq);
40 
41 void timer_start(void);
42 void timer_stop(void);
43 
44 void timer_init(void);
45 
46 
47 #endif /* TIMER_H */
timer_add
struct timer * timer_add(double freq, void(*timer_tick)(struct timer *timer, void *extra), void *extra)
Definition: timer.cc:75
timer_init
void timer_init(void)
Definition: timer.cc:281
timer
Definition: timer.cc:45
timer_remove
void timer_remove(struct timer *t)
Definition: timer.cc:104
t
vmrs t
Definition: armreg.h:750
timer_start
void timer_start(void)
Definition: timer.cc:206
timer::timer_tick
void(* timer_tick)(struct timer *timer, void *extra)
Definition: timer.cc:49
timer_update_frequency
void timer_update_frequency(struct timer *t, double new_freq)
Definition: timer.cc:132
timer::freq
double freq
Definition: timer.cc:48
timer_stop
void timer_stop(void)
Definition: timer.cc:244
timer::extra
void * extra
Definition: timer.cc:50

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