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Unify the button driver for the Nano 2G with the driver for earlier clickwheel ipods. The clickwheel hardware appears to be the same - the differences are just related to the hardware init and how the data is read.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22878 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Dave Chapman 2009-10-02 23:04:30 +00:00
parent f690cfdb44
commit f5feb13cc5
3 changed files with 80 additions and 99 deletions
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82
firmware/target/arm/s5l8700/ipodnano2g/button-nano2g.c
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@ -1,82 +0,0 @@
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: button-m3.c 21787 2009-07-11 20:00:07Z bertrik $
*
* Copyright (C) 2009 Dave Chapman
*
* 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 <stdbool.h>
#include "config.h"
#include "s5l8700.h"
#include "button-target.h"
#define CLICKWHEEL00 (*(volatile unsigned long*)(0x3c200000))
#define CLICKWHEEL10 (*(volatile unsigned long*)(0x3c200010))
#define CLICKWHEELINT (*(volatile unsigned long*)(0x3c200014))
#define CLICKWHEEL_DATA (*(volatile unsigned long*)(0x3c200018))
static int buttons = 0;
void INT_SPI(void)
{
int clickwheel_events;
int btn =0;
int status;
clickwheel_events = CLICKWHEELINT;
if (clickwheel_events & 4) CLICKWHEELINT = 4;
if (clickwheel_events & 2) CLICKWHEELINT = 2;
if (clickwheel_events & 1) CLICKWHEELINT = 1;
status = CLICKWHEEL_DATA;
if ((status & 0x800000ff) == 0x8000001a)
{
if (status & 0x00000100)
btn |= BUTTON_SELECT;
if (status & 0x00000200)
btn |= BUTTON_RIGHT;
if (status & 0x00000400)
btn |= BUTTON_LEFT;
if (status & 0x00000800)
btn |= BUTTON_PLAY;
if (status & 0x00001000)
btn |= BUTTON_MENU;
}
buttons = btn;
}
void button_init_device(void)
{
CLICKWHEEL00 = 0x280000;
CLICKWHEEL10 = 3;
INTMOD = 0;
INTMSK |= (1<<26);
PCON10 &= ~0xF00;
}
int button_read_device(void)
{
return buttons;
}
bool button_hold(void)
{
return ((PDAT14 & (1 << 6)) == 0);
}