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FS#10047 : Clipv2

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Reuse some code from Clip (LCD) and a lot of code from AS3525
Add a new CPU type : AS3525v2, identical to AS3525 except it's an ARMv5 (arm926-ejs)
SD code still not working
For an unknown reason LCD doesn't work anymore (to be investigated)

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24131 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Rafaël Carré 2009-12-31 19:15:20 +00:00
parent 822abc1236
commit 2392bb4199
21 changed files with 1408 additions and 33 deletions
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108
firmware/target/arm/as3525/sansa-clipv2/button-clip.c Normal file
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2008 François Dinel
* Copyright © 2008-2009 Rafaël Carré
*
* 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 "button-target.h"
#include "as3525v2.h"
#include "kernel.h"
/* FIXME : use Clipv1 like driver (FS#10285) */
void button_init_device(void)
{
GPIOA_DIR &= ~((1<<7) | (1<<3));
GPIOD_DIR &= ~((1<<2) | (1<<1) | (1<<0));
GPIOD_PIN(3) = 1<<3;
GPIOD_PIN(4) = 1<<4;
GPIOD_PIN(5) = 1<<5;
GPIOD_DIR |= ((1<<5) | (1<<4) | (1<<3));
}
int button_read_device(void)
{
int result = 0;
static unsigned power_counter = 0;
if(button_hold())
{
power_counter = HZ;
return 0;
}
/* direct GPIO connections */
/* read power, but not if hold button was just released, since
* you basically always hit power due to the slider mechanism after
* releasing hold (wait 1 sec) */
if (power_counter)
power_counter--;
if (GPIOA_PIN(7) && !power_counter)
result |= BUTTON_POWER;
/* This is a keypad using D3-D5 as columns and D0-D2 as rows */
GPIOD_PIN(3) = 0x00; /* activate D3 */
asm volatile ("nop\nnop\nnop\nnop\nnop\n"); /* wait a bit for reliable results */
/* D3D0 is unused */
if (!GPIOD_PIN(1))
result |= BUTTON_VOL_UP;
if (!GPIOD_PIN(2))
result |= BUTTON_UP;
GPIOD_PIN(3) = 1<<3;
GPIOD_PIN(4) = 0x00; /* activate D4 */
asm volatile ("nop\nnop\nnop\nnop\nnop\n");
if (!GPIOD_PIN(0))
result |= BUTTON_LEFT;
if (!GPIOD_PIN(1))
result |= BUTTON_SELECT;
if (!GPIOD_PIN(2))
result |= BUTTON_RIGHT;
GPIOD_PIN(4) = 1<<4;
GPIOD_PIN(5) = 0x00; /* activate D5 */
asm volatile ("nop\nnop\nnop\nnop\nnop\n");
if (!GPIOD_PIN(0))
result |= BUTTON_DOWN;
if (!GPIOD_PIN(1))
result |= BUTTON_VOL_DOWN;
if (!GPIOD_PIN(2))
result |= BUTTON_HOME;
GPIOD_PIN(5) = 1<<5;
return result;
}
bool button_hold(void)
{
return (GPIOA_PIN(3) != 0);
}