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Packard Bell Vibe 500: Improve/fix scrollstrip scrolling. The idea was taken from the ipod's clickweel source.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24584 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Szymon Dziok 2010-02-10 18:42:48 +00:00
parent 00d97d77e8
commit 698609f672
2 changed files with 30 additions and 18 deletions
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1
firmware/target/arm/pbell/vibe500/button-target.h
View file

@ -27,6 +27,7 @@
#define MEP_BUTTON_HEADER 0x19
#define MEP_BUTTON_ID 0x09
#define MEP_ABSOLUTE_HEADER 0x0b
#define MEP_FINGER 0x01
#define HAS_BUTTON_HOLD

47
firmware/target/arm/pbell/vibe500/button-vibe500.c
View file

@ -23,6 +23,7 @@
#include "system.h"
#include "button.h"
#include "backlight.h"
#include "powermgmt.h"
#include "synaptics-mep.h"
static int int_btn = BUTTON_NONE;
@ -44,7 +45,7 @@ void button_int(void)
val = touchpad_read_device(data, 4);
if (val == MEP_BUTTON_HEADER)
if (data[0] == MEP_BUTTON_HEADER)
{
/* Buttons packet */
if (data[1] & 0x1)
@ -56,19 +57,19 @@ void button_int(void)
if (data[1] & 0x8)
int_btn |= BUTTON_PREV;
}
else if (val == MEP_ABSOLUTE_HEADER)
else if (data[0] == MEP_ABSOLUTE_HEADER)
{
/* Absolute packet - the finger is on the vertical strip.
Position ranges from 1-4095, with 1 at the bottom. */
val = ((data[1] >> 4) << 8) | data[2]; /* position */
if (data[1] & MEP_FINGER)
{
/* Absolute packet - the finger is on the vertical strip.
Position ranges from 1-4095, with 1 at the bottom. */
val = ((data[1] >> 4) << 8) | data[2]; /* position */
if (val > 0)
{
int scr_pos = val >> 8; /* split the scrollstrip into 16 regions */
if ((old_pos<scr_pos)&&(old_pos!=-1)) int_btn = BUTTON_DOWN;
if ((old_pos>scr_pos)&&(old_pos!=-1)) int_btn = BUTTON_UP;
old_pos = scr_pos;
}
int scr_pos = val >> 8; /* split the scrollstrip into 16 regions */
if ((old_pos<scr_pos)&&(old_pos!=-1)) int_btn = BUTTON_DOWN;
if ((old_pos>scr_pos)&&(old_pos!=-1)) int_btn = BUTTON_UP;
old_pos = scr_pos;
}
else old_pos=-1;
}
}
@ -94,13 +95,24 @@ int button_read_device(void)
if (!hold_button)
{
/* Read Record, OK, C */
state = GPIOA_INPUT_VAL;
if ((state & 0x01)==0) buttons|=BUTTON_REC;
if ((state & 0x40)==0) buttons|=BUTTON_OK;
if ((state & 0x08)==0) buttons|=BUTTON_CANCEL;
state = GPIOA_INPUT_VAL;
if ((state & 0x01)==0) buttons|=BUTTON_REC;
if ((state & 0x40)==0) buttons|=BUTTON_OK;
if ((state & 0x08)==0) buttons|=BUTTON_CANCEL;
/* Read POWER button */
if ((GPIOD_INPUT_VAL & 0x40)==0) buttons|=BUTTON_POWER;
if ((GPIOD_INPUT_VAL & 0x40)==0) buttons|=BUTTON_POWER;
/* Scrollstrip direct button post - much better response */
if ((buttons==BUTTON_UP) || (buttons==BUTTON_DOWN))
{
queue_post(&button_queue,buttons,0);
backlight_on();
buttonlight_on();
reset_poweroff_timer();
buttons = BUTTON_NONE;
int_btn = BUTTON_NONE;
}
}
else return BUTTON_NONE;
return buttons;
@ -111,4 +123,3 @@ bool button_hold(void)
/* GPIOK 01000000B - HOLD when bit not set */
return (GPIOK_INPUT_VAL & 0x40)?false:true;
}