tsiry-sandratraina.com
A modern Music Player Daemon based on Rockbox open source high quality audio player
libadwaita
audio
rust
zig
deno
mpris
rockbox
mpd
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2008 by Thomas Martitz
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
16 *
17 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
18 * KIND, either express or implied.
19 *
20 ****************************************************************************/
21
22#ifndef BACKLIGHT_SW_FADING_H
23#define BACKLIGHT_SW_FADING_H
24
25
26/* total fading time will be current brightness level * FADE_DELAY * 10ms */
27#if (MAX_BRIGHTNESS_SETTING >= 25)
28#define FADE_DELAY 2 /* =HZ/50 => 20ms */
29#elif (MAX_BRIGHTNESS_SETTING >= 16)
30#define FADE_DELAY 3 /* =HZ/33 => 30ms */
31#else
32#define FADE_DELAY 4 /* =HZ/25 => 40ms*/
33#endif
34
35
36void _backlight_fade_update_state(int brightness);
37bool _backlight_fade_step(int direction);
38
39/* enum used for both, fading state and fading type selected through the settings */
40
41enum {
42 NOT_FADING = 0,
43 FADING_UP,
44 FADING_DOWN,
45};
46
47#endif /* BACKLIGHT_SW_FADING_H */