diff -U 3 -H -d -r -N rockbox_svn.orig/apps/SOURCES rockbox_svn/apps/SOURCES
--- rockbox_svn.orig/apps/SOURCES 2007-07-19 18:40:32.562500000 -0500
+++ rockbox_svn/apps/SOURCES 2007-07-23 21:13:07.859375000 -0500
@@ -43,6 +43,9 @@
#endif
filetree.c
scrobbler.c
+#if CONFIG_KEYPAD == IPOD_4G_PAD && !defined(IPOD_MINI)
+ipod_scroll_wheel_gui.c
+#endif
screen_access.c
gui/buttonbar.c
diff -U 3 -H -d -r -N rockbox_svn.orig/apps/gui/list.c rockbox_svn/apps/gui/list.c
--- rockbox_svn.orig/apps/gui/list.c 2007-07-23 20:59:28.484375000 -0500
+++ rockbox_svn/apps/gui/list.c 2007-07-23 21:22:58.109375000 -0500
@@ -37,6 +37,10 @@
#include "sound.h"
#include "misc.h"
+#if CONFIG_KEYPAD == IPOD_4G_PAD && !defined(IPOD_MINI)
+#include "ipod_scroll_wheel_gui.h"
+#endif
+
#ifdef HAVE_LCD_CHARCELLS
#define SCROLL_LIMIT 1
#else
@@ -58,7 +62,7 @@
#define SHOW_LIST_TITLE ((gui_list->title != NULL) && \
(gui_list->display->nb_lines > 2))
-static void gui_list_select_at_offset(struct gui_list * gui_list, int offset);
+void gui_list_select_at_offset(struct gui_list * gui_list, int offset);
/*
* Initializes a scrolling list
@@ -626,7 +630,7 @@
else gui_list->start_item = 0;
}
-static void gui_list_select_at_offset(struct gui_list * gui_list, int offset)
+void gui_list_select_at_offset(struct gui_list * gui_list, int offset)
{
/* do this here instead of in both select_above and select_below */
int nb_lines = gui_list->display->nb_lines;
@@ -817,7 +821,7 @@
gui_list_select_item(&(lists->gui_list[i]), item_number);
}
-static void gui_synclist_select_next_page(struct gui_synclist * lists,
+void gui_synclist_select_next_page(struct gui_synclist * lists,
enum screen_type screen)
{
int i;
@@ -826,7 +830,7 @@
screens[screen].nb_lines);
}
-static void gui_synclist_select_previous_page(struct gui_synclist * lists,
+void gui_synclist_select_previous_page(struct gui_synclist * lists,
enum screen_type screen)
{
int i;
@@ -895,7 +899,6 @@
#ifdef HAVE_LCD_BITMAP
static bool scrolling_left = false;
#endif
- int i;
#ifdef HAVE_SCROLLWHEEL
int next_item_modifier = button_apply_acceleration(get_action_data(),
@@ -959,8 +962,13 @@
#endif
case ACTION_STD_PREV:
case ACTION_STD_PREVREPEAT:
+ #if CONFIG_KEYPAD == IPOD_4G_PAD && !defined(IPOD_MINI)
+ gui_synclist_handle_accel( lists, SCREEN_MAIN, BACKWARD, -next_item_modifier);
+ #else
+ int i;
FOR_NB_SCREENS(i)
gui_list_select_at_offset(&(lists->gui_list[i]), -next_item_modifier);
+ #endif
#ifndef HAVE_SCROLLWHEEL
if (queue_count(&button_queue) < FRAMEDROP_TRIGGER)
#endif
@@ -972,8 +980,12 @@
case ACTION_STD_NEXT:
case ACTION_STD_NEXTREPEAT:
+ #if CONFIG_KEYPAD == IPOD_4G_PAD && !defined(IPOD_MINI)
+ gui_synclist_handle_accel( lists, SCREEN_MAIN, FORWARD, next_item_modifier );
+ #else
FOR_NB_SCREENS(i)
gui_list_select_at_offset(&(lists->gui_list[i]), next_item_modifier);
+ #endif
#ifndef HAVE_SCROLLWHEEL
if (queue_count(&button_queue) < FRAMEDROP_TRIGGER)
#endif
diff -U 3 -H -d -r -N rockbox_svn.orig/apps/gui/list.h rockbox_svn/apps/gui/list.h
--- rockbox_svn.orig/apps/gui/list.h 2007-07-19 18:38:26.328125000 -0500
+++ rockbox_svn/apps/gui/list.h 2007-07-23 21:13:07.984375000 -0500
@@ -116,7 +116,6 @@
list_get_color *callback_get_item_color;
#endif
};
-
/*
* Sets the numbers of items the list can currently display
* note that the list's context like the currently pointed item is resetted
@@ -177,6 +176,22 @@
*/
#define gui_list_limit_scroll(gui_list, scroll) \
(gui_list)->limit_scroll=scroll
+struct gui_synclist * lists;
+extern void gui_list_select_at_offset(struct gui_list * gui_list, int offset);
+extern void gui_synclist_select_next_page(struct gui_synclist * lists, enum screen_type screen);
+extern void gui_synclist_select_previous_page(struct gui_synclist * lists, enum screen_type screen);
+
+ /*
+ * Advance/retreat in the list by n percent of the total list elements,
+ * by at least one line if percent_lines != 0
+ * - gui_list : the list structure
+ * - percent_lines : the percent of the total number of lines to try to move the cursor
+ * postive adavnces forward, negative retreats back, 0 has no effect
+ */
+#if CONFIG_KEYPAD == IPOD_4G_PAD && !defined(IPOD_MINI)
+extern void gui_list_select_relative_percent( struct gui_list * gui_list,
+ int percent_lines );
+#endif
/*
* This part handles as many lists as there are connected screens
diff -U 3 -H -d -r -N rockbox_svn.orig/apps/ipod_scroll_wheel_gui.c rockbox_svn/apps/ipod_scroll_wheel_gui.c
--- rockbox_svn.orig/apps/ipod_scroll_wheel_gui.c 1969-12-31 18:00:00.000000000 -0600
+++ rockbox_svn/apps/ipod_scroll_wheel_gui.c 2007-07-23 21:13:08.000000000 -0500
@@ -0,0 +1,146 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ *
+ * Copyright (C) TP Diffenbach (2006)
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include "config.h"
+
+#if CONFIG_KEYPAD == IPOD_4G_PAD && !defined(IPOD_MINI)
+
+#include "button.h"
+#include "settings.h"
+#include "logf.h"
+#include "list.h"
+#include "screen_access.h"
+#include "statusbar.h"
+#include "ipod_scroll_wheel_gui.h"
+
+ struct scroll_accel_jump {
+ enum { NOACCEL, PAGE, PERCENT } jump_type;
+ unsigned int amount;
+ unsigned int lines;
+};
+
+struct scroll_accel_jump scroll_accel_jumps[] = { { NOACCEL, 0, 0 }, { PAGE, 1, 0 }, { PERCENT, 5, 0 } , { PERCENT, 10, 0 } };
+
+static void calculate_jump_lines( struct scroll_accel_jump* j, unsigned int list_items, unsigned int screen_lines ) {
+ j->lines = j->jump_type == PERCENT
+ ? ( j->amount * list_items ) / 100
+ : j->amount * screen_lines;
+}
+
+static inline unsigned int list_items( struct gui_list* list ) {
+ return list->nb_items;
+}
+
+static inline unsigned int screen_lines( struct gui_list* list ) {
+ return list->display->nb_lines;
+}
+
+static struct scroll_accel_jump* find_accel_for_list(
+ struct gui_list* list, struct scroll_accel_jump* jump, unsigned int raw_accel ) {
+ unsigned int l_items = list_items( list );
+ unsigned int s_lines = screen_lines( list );
+
+ /* never accel in a list <= page long */
+ if( raw_accel == 0 || l_items <= s_lines ) {
+ return jump;
+ }
+
+ /* otherwise, find the highest possible accel */
+ calculate_jump_lines( jump + raw_accel, l_items, s_lines );
+
+ while( raw_accel > 1 ) {
+ calculate_jump_lines( jump + raw_accel - 1, l_items, s_lines );
+ if( jump[ raw_accel ].lines > jump[ raw_accel - 1 ].lines ) break;
+ --raw_accel;
+ }
+ return jump + raw_accel;
+}
+
+/* this goes away in production, I think */
+static int get_ipod_scroll_wheel_acceration_and_cps( int* speed ) {
+#ifdef SIMULATOR
+ int cps = 4;
+#else
+ int cps = get_ipod_scroll_wheel_clicks_per_second();
+#endif
+ *speed = cps;
+ unsigned int acps = cps < 0 ? -cps : cps;
+ int a = acps < global_settings.ipod_scroll_wheel_acceleration_fast
+ ? 0
+ : ( acps < global_settings.ipod_scroll_wheel_acceleration_faster
+ ? 1
+ : ( acps < global_settings.ipod_scroll_wheel_acceleration_fastest
+ ? 2
+ : 3 ) );
+#ifdef ROCKBOX_HAS_LOGF
+ logf( "g:%d,%d", cps, a );
+#endif
+ return a;
+}
+
+
+/* dispatch the correct synclist function depending on scroll acceleration factor */
+void gui_synclist_handle_accel( struct gui_synclist * lists, enum screen_type screen, enum list_dir dir, int offset)
+{
+ int cps;
+ struct scroll_accel_jump* jump = find_accel_for_list(
+ &(lists->gui_list[ screen ] ), scroll_accel_jumps, get_ipod_scroll_wheel_acceration_and_cps( &cps ) );
+
+ if( jump->jump_type == NOACCEL ) {
+ int i;
+ FOR_NB_SCREENS(i)
+ gui_list_select_at_offset(&(lists->gui_list[i]), offset);
+ } else {
+ if( dir == FORWARD ) {
+ int i;
+ FOR_NB_SCREENS(i)
+ gui_list_select_at_offset(&(lists->gui_list[i]), jump->lines);
+ }
+ else {
+ int i;
+ FOR_NB_SCREENS(i)
+ gui_list_select_at_offset(&(lists->gui_list[i]), -(jump->lines));
+ }
+ }
+}
+
+ unsigned int get_ipod_scroll_wheel_acceration( void ) {
+#ifdef SIMULATOR
+ int cps = 4;
+#else
+ int cps = get_ipod_scroll_wheel_clicks_per_second();
+#endif
+
+ unsigned int acps = cps < 0 ? -cps : cps;
+ int a = acps < global_settings.ipod_scroll_wheel_acceleration_fast
+ ? 0
+ : ( acps < global_settings.ipod_scroll_wheel_acceleration_faster
+ ? 1
+ : ( acps < global_settings.ipod_scroll_wheel_acceleration_fastest
+ ? 2
+ : 3 ) );
+
+ return a;
+ }
+
+unsigned int get_and_display_ipod_scroll_wheel_acceration( void ) {
+ int cps;
+ int a = get_ipod_scroll_wheel_acceration_and_cps( &cps );
+ return a;
+}
+#endif
diff -U 3 -H -d -r -N rockbox_svn.orig/apps/ipod_scroll_wheel_gui.h rockbox_svn/apps/ipod_scroll_wheel_gui.h
--- rockbox_svn.orig/apps/ipod_scroll_wheel_gui.h 1969-12-31 18:00:00.000000000 -0600
+++ rockbox_svn/apps/ipod_scroll_wheel_gui.h 2007-07-23 21:13:08.015625000 -0500
@@ -0,0 +1,42 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ *
+ * Copyright (C) TP Diffenbach (2006)
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#ifndef _IPOD_SCROLL_WHEEL_GUI_H_
+#define _IPOD_SCROLL_WHEEL_GUI_H_
+#include "config.h"
+
+#if CONFIG_KEYPAD == IPOD_4G_PAD && !defined(IPOD_MINI)
+#include "list.h"
+#include "screen_access.h"
+
+enum list_dir { BACKWARD, FORWARD };
+/* dispatch the correct synclist function depending on scroll acceleration factor
+ * may adjust the actual accelration depending on list length
+ * displays adjusted acceleration to the statusbar (if the statusbar is on, clients don't need to check)
+*/
+extern void gui_synclist_handle_accel( struct gui_synclist* lists, enum screen_type screen, enum list_dir dir, int offset);
+
+/* returns the accelreation */
+#ifndef SIMULATOR
+extern unsigned int get_ipod_scroll_wheel_acceration( void );
+#endif
+
+/* returns the accelreation and displays it to the statusbar (if the statusbar is on, clients don't need to check) */
+extern unsigned int get_and_display_ipod_scroll_wheel_acceration( void );
+
+#endif
+#endif
diff -U 3 -H -d -r -N rockbox_svn.orig/apps/lang/english.lang rockbox_svn/apps/lang/english.lang
--- rockbox_svn.orig/apps/lang/english.lang 2007-07-23 20:59:26.765625000 -0500
+++ rockbox_svn/apps/lang/english.lang 2007-07-23 21:13:08.062500000 -0500
@@ -11054,3 +11054,59 @@
*: "Can't write to recording directory"
+
+ id: LANG_IPOD_SCROLL_WHEEL_SPEED
+ desc: "Ipod Scroll Wheel Acceleration By Speed" Submenu in "System" menu
+ user:
+
+ *: "Ipod Scroll Wheel Acceleration"
+
+
+ *: "Ipod Scroll Wheel Acceleration"
+
+
+ *: "Ipod Scroll Wheel Acceleration"
+
+
+
+ id: LANG_IPOD_SCROLL_WHEEL_FAST
+ desc: "Ipod Scroll Wheel By Speed Fast Threshold" Submenu in "Ipod Scroll Wheel Acceleration By Speed" menu
+ user:
+
+ *: "Minimum speed for 'fast' acceleration"
+
+
+ *: "Minimum speed for 'fast' acceleration"
+
+
+ *: "Minimum speed for 'fast' acceleration"
+
+
+
+ id: LANG_IPOD_SCROLL_WHEEL_FASTER
+ desc: "Ipod Scroll Wheel By Speed Faster Threshold" Submenu in "Ipod Scroll Wheel Acceleration By Speed" menu
+ user:
+
+ *: "Minimum speed for 'faster' acceleration"
+
+
+ *: "Minimum speed for 'faster' acceleration"
+
+
+ *: "Minimum speed for 'faster' acceleration"
+
+
+
+ id: LANG_IPOD_SCROLL_WHEEL_FASTEST
+ desc: "Ipod Scroll Wheel By Speed Fastest Threshold" Submenu in "Ipod Scroll Wheel Acceleration By Speed" menu
+ user:
+
+ *: "Minimum speed for 'fastest' acceleration"
+
+
+ *: "Minimum speed for 'fastest' acceleration"
+
+
+ *: "Minimum speed for 'fastest' acceleration"
+
+
diff -U 3 -H -d -r -N rockbox_svn.orig/apps/menus/settings_menu.c rockbox_svn/apps/menus/settings_menu.c
--- rockbox_svn.orig/apps/menus/settings_menu.c 2007-07-19 18:38:28.203125000 -0500
+++ rockbox_svn/apps/menus/settings_menu.c 2007-07-23 21:13:08.093750000 -0500
@@ -333,6 +333,18 @@
MENUITEM_SETTING(buttonlight_brightness, &global_settings.buttonlight_brightness, NULL);
#endif
+#if CONFIG_KEYPAD == IPOD_4G_PAD && !defined(IPOD_MINI)
+MENUITEM_SETTING(ipod_scroll_wheel_acceleration_fast, &global_settings.ipod_scroll_wheel_acceleration_fast, NULL);
+MENUITEM_SETTING(ipod_scroll_wheel_acceleration_faster, &global_settings.ipod_scroll_wheel_acceleration_faster, NULL);
+MENUITEM_SETTING(ipod_scroll_wheel_acceleration_fastest, &global_settings.ipod_scroll_wheel_acceleration_fastest, NULL);
+
+MAKE_MENU(ipod_scroll_wheel_acceleration_menu, ID2P(LANG_IPOD_SCROLL_WHEEL_SPEED), 0, Icon_NOICON,
+ &ipod_scroll_wheel_acceleration_fast,
+ &ipod_scroll_wheel_acceleration_faster,
+ &ipod_scroll_wheel_acceleration_fastest,
+ );
+#endif
+
MAKE_MENU(system_menu, ID2P(LANG_SYSTEM),
0, Icon_System_menu,
&start_screen,
@@ -365,6 +377,9 @@
#ifdef HAVE_BUTTONLIGHT_BRIGHTNESS
&buttonlight_brightness
#endif
+#if CONFIG_KEYPAD == IPOD_4G_PAD && !defined(IPOD_MINI)
+ &ipod_scroll_wheel_acceleration_menu,
+#endif
);
/* SYSTEM MENU */
diff -U 3 -H -d -r -N rockbox_svn.orig/apps/settings.h rockbox_svn/apps/settings.h
--- rockbox_svn.orig/apps/settings.h 2007-07-23 20:59:31.031250000 -0500
+++ rockbox_svn/apps/settings.h 2007-07-23 21:13:08.125000000 -0500
@@ -712,6 +712,11 @@
#if defined(HAVE_RTC_ALARM) && \
(defined(HAVE_RECORDING) || CONFIG_TUNER)
int alarm_wake_up_screen;
+ #if (CONFIG_KEYPAD == IPOD_4G_PAD) && !defined(IPOD_MINI)
+ unsigned int ipod_scroll_wheel_acceleration_fast;
+ unsigned int ipod_scroll_wheel_acceleration_faster;
+ unsigned int ipod_scroll_wheel_acceleration_fastest;
+ #endif
#endif
/* customizable icons */
#ifdef HAVE_LCD_BITMAP
diff -U 3 -H -d -r -N rockbox_svn.orig/apps/settings_list.c rockbox_svn/apps/settings_list.c
--- rockbox_svn.orig/apps/settings_list.c 2007-07-23 20:59:31.140625000 -0500
+++ rockbox_svn/apps/settings_list.c 2007-07-23 21:13:08.156250000 -0500
@@ -739,6 +739,21 @@
"id3 tag priority", "v2-v1,v1-v2",
LANG_ID3_V1_FIRST, LANG_ID3_V2_FIRST, mpeg_id3_options),
+#if (CONFIG_KEYPAD == IPOD_4G_PAD) && !defined(IPOD_MINI)
+ INT_SETTING(0, ipod_scroll_wheel_acceleration_fast, LANG_IPOD_SCROLL_WHEEL_FAST, 135,
+ "ipod scroll wheel fast threshold in clicks/sec", UNIT_SEC,
+ 5, 500, 5,
+ NULL, NULL, NULL),
+ INT_SETTING(0, ipod_scroll_wheel_acceleration_faster, LANG_IPOD_SCROLL_WHEEL_FASTER, 235,
+ "ipod scroll wheel faster threshold in clicks/sec", UNIT_SEC,
+ 5, 500, 5,
+ NULL, NULL, NULL),
+ INT_SETTING(0, ipod_scroll_wheel_acceleration_fastest, LANG_IPOD_SCROLL_WHEEL_FASTEST, 400,
+ "ipod scroll wheel fastest threshold in clicks/sec", UNIT_SEC,
+ 5, 500, 5,
+ NULL, NULL, NULL),
+#endif
+
#ifdef HAVE_RECORDING
/* recording */
STRINGCHOICE_SETTING(F_RECSETTING, rec_timesplit, LANG_SPLIT_TIME, 0,
diff -U 3 -H -d -r -N rockbox_svn.orig/firmware/target/arm/ipod/button-clickwheel.c rockbox_svn/firmware/target/arm/ipod/button-clickwheel.c
--- rockbox_svn.orig/firmware/target/arm/ipod/button-clickwheel.c 2007-07-19 18:43:59.921875000 -0500
+++ rockbox_svn/firmware/target/arm/ipod/button-clickwheel.c 2007-07-23 21:13:08.203125000 -0500
@@ -40,6 +40,10 @@
#include "system.h"
#include "powermgmt.h"
+#if CONFIG_KEYPAD == IPOD_4G_PAD && !defined(IPOD_MINI)
+#include "logf.h"
+#endif
+
/* Variable to use for setting button status in interrupt handler */
int int_btn = BUTTON_NONE;
#ifdef HAVE_WHEEL_POSITION
@@ -47,6 +51,35 @@
static bool send_events = true;
#endif
+#if CONFIG_KEYPAD == IPOD_4G_PAD && !defined(IPOD_MINI)
+void ipod_4g_button_int( void );
+
+static int accumulated_wheel_scroll_delta = 0;
+unsigned long wheel_scroll_down_microsecond_tick = 0;
+unsigned long wheel_scroll_key_microsecond_tick = 0;
+unsigned long wheel_scroll_key_microsecond_tick_elapsed = 0;
+const unsigned long ONE_MILLION = 1000000;
+
+int get_accumulated_wheel_scroll_delta( void ) {
+ return accumulated_wheel_scroll_delta;
+}
+
+int get_ipod_scroll_wheel_clicks_per_second( void ) {
+ unsigned long wst = wheel_scroll_key_microsecond_tick;
+ int accum = accumulated_wheel_scroll_delta;
+ unsigned int abs_accum = accum < 0 ? -accum : accum;
+ unsigned long wste = wheel_scroll_key_microsecond_tick_elapsed;
+ if( wste == wst ) wst = wheel_scroll_down_microsecond_tick;
+ unsigned long diff = wste - wst;
+ unsigned int r = diff ? ( ( abs_accum * ONE_MILLION ) / diff ) : 0;
+#ifdef ROCKBOX_HAS_LOGF
+ logf( "d1,%d,%d", wst, wste );
+ logf( "d2,%d,%d,%d", diff, accum, r );
+#endif
+ return accum < 0 ? -r : r;
+}
+#endif
+
static void opto_i2c_init(void)
{
int i, curr_value;
@@ -115,6 +148,21 @@
whl = new_wheel_value;
backlight_on();
reset_poweroff_timer();
+#if CONFIG_KEYPAD == IPOD_4G_PAD && !defined(IPOD_MINI)
+ if( old_wheel_value == -1 ) {
+ /* -1 is a sentinal value, meaning there is no old value
+ * because the finger was lifted and thus, no key to emit
+ */
+ old_wheel_value = new_wheel_value;
+ accumulated_wheel_scroll_delta = 0;
+ wheel_scroll_down_microsecond_tick = USEC_TIMER;
+ } else {
+ /* calculate the delta regardless of whether we'll add a key
+ * for the use of the acceleration fucntion
+ */
+ /* This is for later = BUTTON_SCROLL_TOUCH;*/
+ int wheel_delta = new_wheel_value - old_wheel_value;
+#else
/* The queue should have no other events when scrolling */
if (queue_empty(&button_queue) && old_wheel_value >= 0) {
@@ -122,31 +170,55 @@
int wheel_delta = new_wheel_value - old_wheel_value;
unsigned long data;
int wheel_keycode;
+#endif
if (wheel_delta < -48)
wheel_delta += 96; /* Forward wrapping case */
else if (wheel_delta > 48)
wheel_delta -= 96; /* Backward wrapping case */
+#if CONFIG_KEYPAD == IPOD_4G_PAD && !defined(IPOD_MINI)
+ if( wheel_delta > 4 || wheel_delta < -4 ) {
+ /* ignore anything less than a jiggle factor */
+#else
if (wheel_delta > 4) {
wheel_keycode = BUTTON_SCROLL_FWD;
} else if (wheel_delta < -4) {
wheel_keycode = BUTTON_SCROLL_BACK;
} else goto wheel_end;
+#endif
#ifdef HAVE_WHEEL_POSITION
if (send_events)
#endif
{
+#if CONFIG_KEYPAD == IPOD_4G_PAD && !defined(IPOD_MINI)
+ if ( queue_empty(&button_queue) ) {
+ /* only post a scroll button if the queue is empty */
+ int wheel_keycode = wheel_delta > 0 ? BUTTON_SCROLL_FWD : BUTTON_SCROLL_BACK;
+ unsigned long data = (wheel_delta << 16) | new_wheel_value;
+ wheel_scroll_key_microsecond_tick = wheel_scroll_key_microsecond_tick_elapsed;
+ accumulated_wheel_scroll_delta = 0;
+ queue_post(&button_queue, wheel_keycode | wheel_repeat, data);
+#else
data = (wheel_delta << 16) | new_wheel_value;
queue_post(&button_queue, wheel_keycode | wheel_repeat,
data);
+#endif
}
if (!wheel_repeat) wheel_repeat = BUTTON_REPEAT;
}
+#if CONFIG_KEYPAD == IPOD_4G_PAD && !defined(IPOD_MINI)
+ accumulated_wheel_scroll_delta += wheel_delta ;
+ old_wheel_value = new_wheel_value ;
+ wheel_scroll_key_microsecond_tick_elapsed = USEC_TIMER ;
+ } else goto wheel_end ; /* not clear this is still needed, basically skips call to opto_i2c_init() */
+ }
+#else
old_wheel_value = new_wheel_value;
+#endif
} else if (old_wheel_value >= 0) {
/* scroll wheel up */
old_wheel_value = -1;
diff -U 3 -H -d -r -N rockbox_svn.orig/firmware/target/arm/ipod/button-target.h rockbox_svn/firmware/target/arm/ipod/button-target.h
--- rockbox_svn.orig/firmware/target/arm/ipod/button-target.h 2007-07-19 18:43:59.937500000 -0500
+++ rockbox_svn/firmware/target/arm/ipod/button-target.h 2007-07-23 21:13:08.234375000 -0500
@@ -32,6 +32,21 @@
void ipod_mini_button_int(void);
void ipod_4g_button_int(void);
+#if CONFIG_KEYPAD == IPOD_4G_PAD && !defined(IPOD_MINI)
+extern unsigned long wheel_scroll_tick ;
+extern int get_accumulated_wheel_scroll_delta( void ) ;
+extern int get_ipod_scroll_wheel_clicks_per_second( void ) ;
+#endif
+
+/* warning to clients calling get_ipod_scroll_wheel_acceration:
+ * Calling this function may have side-effects;
+ * this function should be called once per call to button_get
+ * or button_get_w_tmo, and results locally cached as needed.
+ * In particular, some acceleration implementations
+ * may need to reset a calculated delta when
+ * get_ipod_scroll_wheel_acceration is called.
+ */
+
/* iPod specific button codes */
#define BUTTON_SELECT 0x00000001