f504153857
- cache IRAM and DRAM - map IRAM just next to DRAM to remove the need for -mlong-calls and reduce binsize - tweak delays in Fuze button code - tweak delays in Clip button code (down button sometimes doesn't respond anyway : an alternate driver is being worked on) Before reporting any problem, please check your filesystem or format your player from the OF git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21228 a1c6a512-1295-4272-9138-f99709370657
95 lines
2.4 KiB
C
95 lines
2.4 KiB
C
/***************************************************************************
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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) 2008 François Dinel
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* Copyright (C) 2008 Rafaël Carré
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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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 "button-target.h"
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#include "as3525.h"
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void button_init_device(void)
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{
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GPIOA_DIR &= ~((1<<7) | (1<<3));
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GPIOB_DIR &= ~((1<<2) | (1<<1) | (1<<0));
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GPIOC_PIN(4) = 0x00;
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GPIOC_PIN(5) = 0x00;
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GPIOC_PIN(6) = 0x00;
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GPIOC_DIR |= ((1<<6) | (1<<5) | (1<<4));
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}
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int button_read_device(void)
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{
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int result = 0;
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if(button_hold())
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return result;
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/* direct GPIO connections */
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if (GPIOA_PIN(7))
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result |= BUTTON_POWER;
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/* This is a keypad using C4-C6 as columns and B0-B2 as rows */
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GPIOC_PIN(4) = (1<<4);
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asm volatile("nop\nnop\nnop\nnop\nnop\n"); /* small delay */
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(void)GPIOB_PIN(0); /* C4B0 is unused */
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if (GPIOB_PIN(1))
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result |= BUTTON_VOL_UP;
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if (GPIOB_PIN(2))
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result |= BUTTON_UP;
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GPIOC_PIN(4) = 0x00;
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GPIOC_PIN(5) = (1<<5);
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asm volatile("nop\nnop\nnop\nnop\nnop\n"); /* small delay */
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if (GPIOB_PIN(0))
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result |= BUTTON_LEFT;
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if (GPIOB_PIN(1))
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result |= BUTTON_SELECT;
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if (GPIOB_PIN(2))
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result |= BUTTON_RIGHT;
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GPIOC_PIN(5) = 0x00;
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GPIOC_PIN(6) = (1<<6);
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asm volatile("nop\nnop\nnop\nnop\nnop\n"); /* small delay */
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if (GPIOB_PIN(0))
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result |= BUTTON_DOWN;
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if (GPIOB_PIN(1))
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result |= BUTTON_VOL_DOWN;
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if (GPIOB_PIN(2))
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result |= BUTTON_HOME;
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GPIOC_PIN(6) = 0x00;
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return result;
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}
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bool button_hold(void)
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{
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return (GPIOA_PIN(3) != 0);
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}
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