5acb2d5d76
screen output after lcd_init(). Useful for 'early'debugging and startup screen is visible a little longer. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13418 a1c6a512-1295-4272-9138-f99709370657
63 lines
1.7 KiB
C
63 lines
1.7 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id$
|
|
*
|
|
* Copyright (C) 2006 by Barry Wardell
|
|
*
|
|
* All files in this archive are subject to the GNU General Public License.
|
|
* See the file COPYING in the source tree root for full license agreement.
|
|
*
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
* KIND, either express or implied.
|
|
*
|
|
****************************************************************************/
|
|
#include "backlight-target.h"
|
|
#include "system.h"
|
|
#include "lcd.h"
|
|
#include "backlight.h"
|
|
#include "i2c-pp.h"
|
|
|
|
static unsigned short backlight_brightness = DEFAULT_BRIGHTNESS_SETTING;
|
|
static bool backlight_is_on = true;
|
|
|
|
int __backlight_is_on(void)
|
|
{
|
|
return (int)backlight_is_on;
|
|
}
|
|
|
|
void __backlight_set_brightness(int brightness)
|
|
{
|
|
backlight_brightness = brightness;
|
|
pp_i2c_send( 0x46, 0x23, backlight_brightness);
|
|
backlight_is_on = true;
|
|
}
|
|
|
|
void __backlight_on(void)
|
|
{
|
|
lcd_enable(true); /* power on lcd */
|
|
pp_i2c_send( 0x46, 0x23, backlight_brightness);
|
|
backlight_is_on = true;
|
|
}
|
|
|
|
void __backlight_off(void)
|
|
{
|
|
pp_i2c_send( 0x46, 0x23, 0x0);
|
|
lcd_enable(false); /* power off lcd */
|
|
backlight_is_on = false;
|
|
}
|
|
|
|
|
|
void __button_backlight_on(void)
|
|
{
|
|
GPIOG_OUTPUT_VAL |=0x80;
|
|
}
|
|
|
|
void __button_backlight_off(void)
|
|
{
|
|
GPIOG_OUTPUT_VAL &=~ 0x80;
|
|
}
|