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author | Thomas Martitz <kugel@rockbox.org> | 2009-01-22 10:50:11 +0000 |
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committer | Thomas Martitz <kugel@rockbox.org> | 2009-01-22 10:50:11 +0000 |
commit | 81df953da55e75632b5efbe676f2b348e11b2c4b (patch) | |
tree | 65bd98e7d86fb21310e26f87c30a9723a9b45894 /firmware/export/backlight-sw-fading.h | |
parent | 311d2f12ed024cf11971f23231e05a0143361115 (diff) | |
download | rockbox-81df953da55e75632b5efbe676f2b348e11b2c4b.tar.gz rockbox-81df953da55e75632b5efbe676f2b348e11b2c4b.zip |
Rename software backlight fading files, as we don't call it thread fading. Correct a copyright info too.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19818 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/export/backlight-sw-fading.h')
-rw-r--r-- | firmware/export/backlight-sw-fading.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/firmware/export/backlight-sw-fading.h b/firmware/export/backlight-sw-fading.h new file mode 100644 index 0000000000..54f732709a --- /dev/null +++ b/firmware/export/backlight-sw-fading.h @@ -0,0 +1,46 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2008 by Thomas Martitz + * + * 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; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + +#ifndef BACKLIGHT_THREAD_FADING_H +#define BACKLIGHT_THREAD_FADING_H + +#include "config.h" + +#ifdef USE_BACKLIGHT_SW_FADING + +/* delay supposed to be MAX_BRIGHTNESS_SETTING*2 rounded to the next multiple + * of 5, however not more than 40 */ +#define _FADE_DELAY (((MAX_BRIGHTNESS_SETTING*2+4)/5)*5) +#define FADE_DELAY (HZ/(MIN(_FADE_DELAY, 40))) + +void _backlight_fade_update_state(int brightness); +bool _backlight_fade_step(int direction); + +/* enum used for both, fading state and fading type selected through the settings */ + +enum { + NOT_FADING = 0, + FADING_UP, + FADING_DOWN, +}; +#endif /* USE_BACKLIGHT_SW_FADING */ + +#endif /* _BACKLIGHT_THREAD_FADING_ */ |