76 lines
2.1 KiB
C
76 lines
2.1 KiB
C
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2006 by Barry Wardell
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include "backlight-target.h"
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#include "system.h"
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#include "lcd.h"
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#include "backlight.h"
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#include "i2c-pp.h"
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#include "as3514.h"
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static unsigned short backlight_brightness = DEFAULT_BRIGHTNESS_SETTING;
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void _backlight_set_brightness(int brightness)
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{
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backlight_brightness = brightness;
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if (brightness > 0)
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_backlight_on();
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else
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_backlight_off();
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}
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void _backlight_on(void)
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{
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#ifdef HAVE_LCD_SLEEP
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backlight_lcd_sleep_countdown(false); /* stop counter */
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#endif
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#ifdef HAVE_LCD_ENABLE
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lcd_enable(true); /* power on lcd + visible display */
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#endif
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pp_i2c_send(AS3514_I2C_ADDR, AS3514_DCDC15, backlight_brightness);
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}
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void _backlight_off(void)
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{
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pp_i2c_send(AS3514_I2C_ADDR, AS3514_DCDC15, 0x0);
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#ifdef HAVE_LCD_ENABLE
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lcd_enable(false); /* power off visible display */
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#endif
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#ifdef HAVE_LCD_SLEEP
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backlight_lcd_sleep_countdown(true); /* start countdown */
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#endif
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}
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void _buttonlight_on(void)
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{
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GPIO_SET_BITWISE(GPIOG_OUTPUT_VAL, 0x80);
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#ifdef SANSA_C200
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GPIO_SET_BITWISE(GPIOB_OUTPUT_VAL, 0x10); /* The "menu" backlight */
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#endif
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}
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void _buttonlight_off(void)
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{
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GPIO_CLEAR_BITWISE(GPIOG_OUTPUT_VAL, 0x80);
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#ifdef SANSA_C200
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GPIO_CLEAR_BITWISE(GPIOB_OUTPUT_VAL, 0x10); /* The "menu" backlight */
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#endif
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}
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