| /*************************************************************************** |
| * __________ __ ___. |
| * Open \______ \ ____ ____ | | _\_ |__ _______ ___ |
| * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / |
| * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < |
| * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ |
| * \/ \/ \/ \/ \/ |
| * $Id$ |
| * |
| * Copyright (C) 2008 by Mark Arigo |
| * |
| * 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 "system.h" |
| #include "button.h" |
| #include "backlight.h" |
| |
| void button_init_device(void) |
| { |
| /* TODO...for now, hardware initialisation is done by the c200 bootloader */ |
| } |
| |
| bool button_hold(void) |
| { |
| return !(GPIOL_INPUT_VAL & 0x40); |
| } |
| |
| /* |
| * Get button pressed from hardware |
| */ |
| int button_read_device(void) |
| { |
| int btn = BUTTON_NONE; |
| static bool hold_button = false; |
| bool hold_button_old; |
| |
| /* Hold */ |
| hold_button_old = hold_button; |
| hold_button = button_hold(); |
| |
| #ifndef BOOTLOADER |
| if (hold_button != hold_button_old) |
| backlight_hold_changed(hold_button); |
| #endif |
| |
| /* device buttons */ |
| if (!hold_button) |
| { |
| #if 0 |
| if (!(GPIOB_INPUT_VAL & 0x20)) btn |= BUTTON_POWER; |
| if (!(GPIOF_INPUT_VAL & 0x10)) btn |= BUTTON_VOL_UP; |
| if (!(GPIOF_INPUT_VAL & 0x04)) btn |= BUTTON_VOL_DOWN; |
| #endif |
| /* A hack until the touchpad works */ |
| if (!(GPIOB_INPUT_VAL & 0x20)) btn |= BUTTON_SELECT; |
| if (!(GPIOF_INPUT_VAL & 0x10)) btn |= BUTTON_UP; |
| if (!(GPIOF_INPUT_VAL & 0x04)) btn |= BUTTON_DOWN; |
| } |
| |
| return btn; |
| } |
| |
| bool headphones_inserted(void) |
| { |
| return (GPIOB_INPUT_VAL & 0x10) ? false : true; |
| } |