/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * $Id$ * * Copyright (C) 2006 by Barry Wardell * * 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 "config.h" #include "backlight-target.h" #include "system.h" #include "lcd.h" #include "backlight.h" #include "ascodec.h" #include "as3514.h" void _backlight_set_brightness(int brightness) { ascodec_write(AS3514_DCDC15, brightness); } void _backlight_on(void) { #ifdef HAVE_LCD_SLEEP backlight_lcd_sleep_countdown(false); /* stop counter */ #endif #ifdef HAVE_LCD_ENABLE lcd_enable(true); /* power on lcd + visible display */ #endif #if (CONFIG_BACKLIGHT_FADING != BACKLIGHT_FADING_SW_SETTING) /* in bootloader/sim */ /* if we set the brightness to the settings value, then fading up * is glitchy */ _backlight_set_brightness(backlight_brightness); #endif } void _backlight_off(void) { _backlight_set_brightness(0); #ifdef HAVE_LCD_ENABLE lcd_enable(false); /* power off visible display */ #endif #ifdef HAVE_LCD_SLEEP backlight_lcd_sleep_countdown(true); /* start countdown */ #endif } void _buttonlight_on(void) { GPIO_SET_BITWISE(GPIOG_OUTPUT_VAL, 0x80); #ifdef SANSA_C200 GPIO_SET_BITWISE(GPIOB_OUTPUT_VAL, 0x10); /* The "menu" backlight */ #endif } void _buttonlight_off(void) { GPIO_CLEAR_BITWISE(GPIOG_OUTPUT_VAL, 0x80); #ifdef SANSA_C200 GPIO_CLEAR_BITWISE(GPIOB_OUTPUT_VAL, 0x10); /* The "menu" backlight */ #endif }