| /*************************************************************************** |
| * __________ __ ___. |
| * 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 <stdlib.h> |
| #include "config.h" |
| #include "cpu.h" |
| #include "system.h" |
| #include "button.h" |
| #include "kernel.h" |
| #include "backlight.h" |
| #include "adc.h" |
| #include "system.h" |
| |
| |
| void button_init_device(void) |
| { |
| |
| } |
| |
| bool button_hold(void) |
| { |
| return (GPIO5_READ & 4) ? false : true; |
| } |
| |
| /* |
| * Get button pressed from hardware |
| */ |
| int button_read_device(void) |
| { |
| int btn = BUTTON_NONE; |
| int data; |
| static bool hold_button = false; |
| bool hold_button_old; |
| |
| /* normal buttons */ |
| hold_button_old = hold_button; |
| hold_button = button_hold(); |
| |
| if (hold_button != hold_button_old) |
| backlight_hold_changed(hold_button); |
| |
| if (!button_hold()) |
| { |
| data = adc_read(ADC_BUTTONS); |
| if (data < 0x35c) |
| { |
| if (data < 0x151) |
| if (data < 0xc7) |
| if (data < 0x41) |
| btn = BUTTON_LEFT; |
| else |
| btn = BUTTON_RIGHT; |
| else |
| btn = BUTTON_SELECT; |
| else |
| if (data < 0x268) |
| if (data < 0x1d7) |
| btn = BUTTON_UP; |
| else |
| btn = BUTTON_DOWN; |
| else |
| if (data < 0x2f9) |
| btn = BUTTON_EQ; |
| else |
| btn = BUTTON_MODE; |
| } |
| |
| if (adc_read(ADC_BUTTON_PLAY) < 0x64) |
| btn |= BUTTON_PLAY; |
| } |
| return btn; |
| } |