/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * $Id$ * * Copyright (C) 2007 by Jens Arnold * * 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_TARGET_H #define BACKLIGHT_TARGET_H #include "config.h" #include "cpu.h" #ifdef HAVE_BACKLIGHT /* A stock Ondio has no backlight, it needs a hardware mod. */ static inline bool _backlight_init(void) { PACR1 &= ~0x3000; /* Set PA14 (backlight control) to GPIO */ or_b(0x40, &PADRH); /* drive it high */ or_b(0x40, &PAIORH); /* ..and output */ return true; } static inline void _backlight_on(void) { or_b(0x40, &PADRH); /* drive it high */ } static inline void _backlight_off(void) { and_b(~0x40, &PADRH); /* drive it low */ } #endif /* HAVE_BACKLIGHT */ #endif