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Added iRiver button handling

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@5430 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Linus Nielsen Feltzing 2004-11-18 23:22:45 +00:00
parent 27d00ca527
commit 0decb0099e
1 changed files with 119 additions and 5 deletions
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124
firmware/drivers/button.c
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@ -22,7 +22,7 @@
#include <stdlib.h>
#include "config.h"
#include "sh7034.h"
#include "cpu.h"
#include "system.h"
#include "button.h"
#include "kernel.h"
@ -36,7 +36,7 @@
struct event_queue button_queue;
static int lastbtn; /* Last valid button status */
#if (CONFIG_KEYPAD == RECORDER_PAD) || (CONFIG_KEYPAD == ONDIO_PAD)
#if (CONFIG_KEYPAD == RECORDER_PAD) || (CONFIG_KEYPAD == ONDIO_PAD) || (CONFIG_KEYPAD == IRIVER_H100_PAD)
static int last_read; /* Last button status, for debouncing/filtering */
static bool flipped; /* bottons can be flipped to match the LCD flip */
#endif
@ -68,7 +68,7 @@ static void button_tick(void)
int diff;
int btn;
#ifndef HAVE_MMC
#if !defined(HAVE_MMC) && !defined(IRIVER_H100_PAD)
/* Post events for the remote control */
btn = remote_control_rx();
if(btn)
@ -180,7 +180,121 @@ int button_get_w_tmo(int ticks)
return (ev.id != SYS_TIMEOUT)? ev.id: BUTTON_NONE;
}
#if CONFIG_KEYPAD == RECORDER_PAD
#if CONFIG_KEYPAD == IRIVER_H100_PAD
void button_init()
{
#ifndef SIMULATOR
/* Set GPIO37 as general purpose input */
GPIO1_FUNCTION |= 0x00000020;
GPIO1_ENABLE &= ~0x00000020;
#endif
queue_init(&button_queue);
lastbtn = 0;
tick_add_task(button_tick);
reset_poweroff_timer();
flipped = false;
}
/*
* helper function to swap UP/DOWN, LEFT/RIGHT
*/
static int button_flip(int button)
{
int newbutton;
newbutton = button &
~(BUTTON_UP | BUTTON_DOWN
| BUTTON_LEFT | BUTTON_RIGHT);
if (button & BUTTON_UP)
newbutton |= BUTTON_DOWN;
if (button & BUTTON_DOWN)
newbutton |= BUTTON_UP;
if (button & BUTTON_LEFT)
newbutton |= BUTTON_RIGHT;
if (button & BUTTON_RIGHT)
newbutton |= BUTTON_LEFT;
return newbutton;
}
/*
* set the flip attribute
* better only call this when the queue is empty
*/
void button_set_flip(bool flip)
{
if (flip != flipped) /* not the current setting */
{
/* avoid race condition with the button_tick() */
int oldlevel = set_irq_level(HIGHEST_IRQ_LEVEL);
lastbtn = button_flip(lastbtn);
flipped = flip;
set_irq_level(oldlevel);
}
}
/*
* Get button pressed from hardware
*/
static int button_read(void)
{
int btn = BUTTON_NONE;
int retval;
int data;
data = adc_scan(0);
if(data < 0x80)
if(data < 0x30)
if(data < 0x18)
btn = BUTTON_SELECT;
else
btn = BUTTON_UP;
else
if(data < 0x50)
btn = BUTTON_LEFT;
else
btn = BUTTON_DOWN;
else
if(data < 0xb0)
if(data < 0xa0)
btn = BUTTON_RIGHT;
else
btn = BUTTON_OFF;
else
if(data < 0xd0)
btn = BUTTON_MODE;
else
if(data < 0xf0)
btn = BUTTON_REC;
data = GPIO1_READ;
if ((data & 0x20) == 0)
btn |= BUTTON_ON;
if (btn && flipped)
btn = button_flip(btn); /* swap upside down */
/* Filter the button status. It is only accepted if we get the same
status twice in a row. */
if(btn != last_read)
retval = lastbtn;
else
retval = btn;
last_read = btn;
return retval;
}
bool button_hold(void)
{
return (GPIO1_READ & 0x00000002)?true:false;
}
#elif CONFIG_KEYPAD == RECORDER_PAD
/* AJBR buttons are connected to the CPU as follows:
*
@ -279,7 +393,6 @@ static int button_read(void)
int btn = BUTTON_NONE;
int retval;
/* Check port B pins for ON and OFF */
int data;
#ifdef HAVE_FMADC
@ -290,6 +403,7 @@ static int button_read(void)
if ( adc_read(2) > 512 )
btn |= BUTTON_OFF;
#else
/* Check port B pins for ON and OFF */
data = PBDR;
if ((data & PBDR_BTN_ON) == 0)
btn |= BUTTON_ON;