firmware/target/arm/as3525/sansa-clipv2/backlight-clip.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright © 2009 Rafaël Carré
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 #include "backlight-target.h"
  23 #include "lcd.h"
  24 #include "as3525v2.h"
  25 #include "ascodec-target.h"
  26
  27 void _backlight_on(void)
  28 {
  29     ascodec_write(0x25, ascodec_read(0x25) | 2);    /* lcd power */
  30     ascodec_write(0x1c, 8|1);
  31     ascodec_write(0x1b, 0x90);
  32     lcd_enable(true);
  33 }
  34
  35 void _backlight_off(void)
  36 {
  37     ascodec_write(0x25, ascodec_read(0x25) & ~2);    /* lcd power */
  38     lcd_enable(false);
  39 }
  40
  41 void _buttonlight_on(void)
  42 {
  43     GPIOA_DIR |= (1<<5);
  44     GPIOA_PIN(5) = (1<<5);  /* set pin a5 high */
  45 }
  46
  47 void _buttonlight_off(void)
  48 {
  49     GPIOA_DIR |= (1<<5);
  50     GPIOA_PIN(5) = 0;       /* set pin a5 low */
  51 }