| /*************************************************************************** |
| * __________ __ ___. |
| * Open \______ \ ____ ____ | | _\_ |__ _______ ___ |
| * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / |
| * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < |
| * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ |
| * \/ \/ \/ \/ \/ |
| * $Id$ |
| * |
| * Copyright (C) 2009 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. |
| * |
| ****************************************************************************/ |
| |
| #include <stdbool.h> |
| #include "config.h" |
| #include "backlight.h" |
| #include "lcd.h" |
| |
| #ifdef HAVE_LCD_SLEEP |
| extern void lcd_awake(void); |
| #endif |
| /* in uisimulator/sdl/lcd-bitmap.c and lcd-charcell.c */ |
| extern void sim_backlight(int value); |
| |
| bool backlight_hw_init(void) |
| { |
| return true; |
| } |
| |
| |
| #ifdef HAVE_BACKLIGHT_BRIGHTNESS |
| |
| static inline int normalize_backlight(int val) |
| { |
| /* normalize to xx% brightness for sdl */ |
| return ((val - MIN_BRIGHTNESS_SETTING + 1) * 100) / |
| (MAX_BRIGHTNESS_SETTING - MIN_BRIGHTNESS_SETTING + 1); |
| } |
| |
| void backlight_hw_brightness(int val) |
| { |
| sim_backlight(normalize_backlight(val)); |
| } |
| |
| #endif /* HAVE_BACKLIGHT_BRIGHTNESS */ |
| |
| |
| void backlight_hw_on(void) |
| { |
| #if defined(HAVE_LCD_ENABLE) |
| lcd_enable(true); |
| #elif defined(HAVE_LCD_SLEEP) |
| lcd_awake(); |
| #endif |
| #if (CONFIG_BACKLIGHT_FADING != BACKLIGHT_FADING_SW_SETTING) |
| /* if we set the brightness to the settings value, then fading up |
| * is glitchy */ |
| #ifdef HAVE_BACKLIGHT_BRIGHTNESS |
| sim_backlight(normalize_backlight(backlight_brightness)); |
| #else |
| sim_backlight(100); |
| #endif |
| |
| #endif |
| } |
| |
| void backlight_hw_off(void) |
| { |
| sim_backlight(0); |
| #ifdef HAVE_LCD_ENABLE |
| lcd_enable(false); |
| #endif |
| } |
| |
| |
| #ifdef HAVE_BUTTON_LIGHT |
| void buttonlight_hw_on(void) |
| { |
| } |
| |
| void buttonlight_hw_off(void) |
| { |
| } |
| |
| #ifdef HAVE_BUTTONLIGHT_BRIGHTNESS |
| void buttonlight_hw_brightness(int val) |
| { |
| (void)val; |
| } |
| #endif /* HAVE_BUTTONLIGHT_BRIGHTNESS */ |
| #endif /* HAVE_BUTTON_LIGHT */ |
| |
| #ifdef HAVE_REMOTE_LCD |
| void remote_backlight_hw_on(void) |
| { |
| sim_remote_backlight(100); |
| } |
| |
| void remote_backlight_hw_off(void) |
| { |
| sim_remote_backlight(0); |
| } |
| #endif /* HAVE_REMOTE_LCD */ |