forked from len0rd/rockbox
		
	git-svn-id: svn://svn.rockbox.org/rockbox/trunk@31456 a1c6a512-1295-4272-9138-f99709370657
		
			
				
	
	
		
			224 lines
		
	
	
	
		
			9.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			224 lines
		
	
	
	
		
			9.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /***************************************************************************
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|  *             __________               __   ___.
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|  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
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|  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
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|  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
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|  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
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|  *                     \/            \/     \/    \/            \/
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|  * $Id$
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|  *
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|  * Copyright (C) 2009 Tomer Shalev
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|  *
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|  * This program is free software; you can redistribute it and/or
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|  * modify it under the terms of the GNU General Public License
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|  * as published by the Free Software Foundation; either version 2
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|  * of the License, or (at your option) any later version.
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|  *
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|  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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|  * KIND, either express or implied.
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|  *
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|  ****************************************************************************/
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| #include "config.h"
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| 
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| #include "action.h"
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| #include "lang.h"
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| #include "misc.h"
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| #include "usbstack/usb_hid.h"
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| #include "usb_keymaps.h"
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| /*#define LOGF_ENABLE*/
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| #include "logf.h"
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| 
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| #define MODIFIER(modifier, key) ((key) | (modifier << 8))
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| 
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| #define ALT(key) MODIFIER(HID_KEYBOARD_LEFT_ALT, key)
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| #define CTRL(key) MODIFIER(HID_KEYBOARD_LEFT_CONTROL, key)
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| #define SHIFT(key) MODIFIER(HID_KEYBOARD_LEFT_SHIFT, key)
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| 
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| typedef struct
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| {
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|     int action;
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|     int id;
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| } mapping_t;
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| 
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| typedef struct
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| {
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|     int lang_name;
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|     int context;
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|     usage_page_t usage_page;
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|     mapping_t mapping[];
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| } hid_key_mapping_t;
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| 
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| static const hid_key_mapping_t hid_key_mapping_multimedia = {
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|     LANG_MULTIMEDIA_MODE,
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|     CONTEXT_USB_HID_MODE_MULTIMEDIA,
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|     HID_USAGE_PAGE_CONSUMER,
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|     {
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|         { ACTION_USB_HID_MULTIMEDIA_VOLUME_UP,           HID_CONSUMER_USAGE_VOLUME_INCREMENT },
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|         { ACTION_USB_HID_MULTIMEDIA_VOLUME_DOWN,         HID_CONSUMER_USAGE_VOLUME_DECREMENT },
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|         { ACTION_USB_HID_MULTIMEDIA_VOLUME_MUTE,         HID_CONSUMER_USAGE_MUTE },
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|         { ACTION_USB_HID_MULTIMEDIA_PLAYBACK_PLAY_PAUSE, HID_CONSUMER_USAGE_PLAY_PAUSE },
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|         { ACTION_USB_HID_MULTIMEDIA_PLAYBACK_STOP,       HID_CONSUMER_USAGE_STOP },
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|         { ACTION_USB_HID_MULTIMEDIA_PLAYBACK_TRACK_PREV, HID_CONSUMER_USAGE_SCAN_PREVIOUS_TRACK },
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|         { ACTION_USB_HID_MULTIMEDIA_PLAYBACK_TRACK_NEXT, HID_CONSUMER_USAGE_SCAN_NEXT_TRACK },
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|         { 0,                     0 },
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|     }
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| };
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| 
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| static const hid_key_mapping_t hid_key_mapping_presentation = {
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|     LANG_PRESENTATION_MODE,
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|     CONTEXT_USB_HID_MODE_PRESENTATION,
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|     HID_USAGE_PAGE_KEYBOARD_KEYPAD,
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|     {
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|         { ACTION_USB_HID_PRESENTATION_SLIDESHOW_START, HID_KEYBOARD_F5 },
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|         { ACTION_USB_HID_PRESENTATION_SLIDESHOW_LEAVE, HID_KEYBOARD_ESCAPE },
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|         { ACTION_USB_HID_PRESENTATION_SLIDE_PREV,      HID_KEYBOARD_P },
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|         { ACTION_USB_HID_PRESENTATION_SLIDE_NEXT,      HID_KEYBOARD_N },
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|         { ACTION_USB_HID_PRESENTATION_SLIDE_FIRST,     HID_KEYBOARD_HOME },
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|         { ACTION_USB_HID_PRESENTATION_SLIDE_LAST,      HID_KEYBOARD_END },
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|         { ACTION_USB_HID_PRESENTATION_SCREEN_BLACK,    HID_KEYBOARD_DOT },
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|         { ACTION_USB_HID_PRESENTATION_SCREEN_WHITE,    HID_KEYBOARD_COMMA },
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|         { ACTION_USB_HID_PRESENTATION_LINK_PREV,       SHIFT(HID_KEYBOARD_TAB) },
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|         { ACTION_USB_HID_PRESENTATION_LINK_NEXT,       HID_KEYBOARD_TAB },
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|         { ACTION_USB_HID_PRESENTATION_MOUSE_CLICK,     HID_KEYBOARD_RETURN },
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|         { ACTION_USB_HID_PRESENTATION_MOUSE_OVER,      SHIFT(HID_KEYBOARD_RETURN) },
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|         { 0,                          0 },
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|     }
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| };
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| 
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| static const hid_key_mapping_t hid_key_mapping_browser = {
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|     LANG_BROWSER_MODE,
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|     CONTEXT_USB_HID_MODE_BROWSER,
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|     HID_USAGE_PAGE_KEYBOARD_KEYPAD,
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|     {
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|         { ACTION_USB_HID_BROWSER_SCROLL_UP,        HID_KEYBOARD_UP_ARROW },
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|         { ACTION_USB_HID_BROWSER_SCROLL_DOWN,      HID_KEYBOARD_DOWN_ARROW },
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|         { ACTION_USB_HID_BROWSER_SCROLL_UP,        HID_KEYBOARD_PAGE_UP },
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|         { ACTION_USB_HID_BROWSER_SCROLL_DOWN,      HID_KEYBOARD_PAGE_DOWN },
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|         { ACTION_USB_HID_BROWSER_ZOOM_IN,          CTRL(HID_KEYPAD_PLUS) },
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|         { ACTION_USB_HID_BROWSER_ZOOM_OUT,         CTRL(HID_KEYPAD_MINUS) },
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|         { ACTION_USB_HID_BROWSER_ZOOM_RESET,       CTRL(HID_KEYPAD_0_AND_INSERT) },
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|         { ACTION_USB_HID_BROWSER_TAB_PREV,         CTRL(HID_KEYBOARD_PAGE_UP) },
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|         { ACTION_USB_HID_BROWSER_TAB_NEXT,         CTRL(HID_KEYBOARD_PAGE_DOWN) },
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|         { ACTION_USB_HID_BROWSER_TAB_CLOSE,        CTRL(HID_KEYBOARD_W) },
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|         { ACTION_USB_HID_BROWSER_HISTORY_BACK,     ALT(HID_KEYBOARD_LEFT_ARROW) },
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|         { ACTION_USB_HID_BROWSER_HISTORY_FORWARD,  ALT(HID_KEYBOARD_RIGHT_ARROW) },
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|         { ACTION_USB_HID_BROWSER_VIEW_FULL_SCREEN, HID_KEYBOARD_F11 },
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|         { 0,                          0 },
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|     }
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| };
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| 
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| #ifdef HAVE_USB_HID_MOUSE
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| static const hid_key_mapping_t hid_key_mapping_mouse = {
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|     LANG_MOUSE_MODE,
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|     CONTEXT_USB_HID_MODE_MOUSE,
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|     HID_USAGE_PAGE_GENERIC_DESKTOP_CONTROLS,
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|     {
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|         /* Cursor move up */
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|         { ACTION_USB_HID_MOUSE_UP,                HID_MOUSE_UP },
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|         { ACTION_USB_HID_MOUSE_UP_REP,            HID_MOUSE_UP_REP },
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|         { ACTION_USB_HID_MOUSE_LDRAG_UP,          HID_MOUSE_LDRAG_UP },
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|         { ACTION_USB_HID_MOUSE_LDRAG_UP_REP,      HID_MOUSE_LDRAG_UP_REP },
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|         { ACTION_USB_HID_MOUSE_RDRAG_UP,          HID_MOUSE_RDRAG_UP },
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|         { ACTION_USB_HID_MOUSE_RDRAG_UP_REP,      HID_MOUSE_RDRAG_UP_REP },
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|         /* Cursor move down */
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|         { ACTION_USB_HID_MOUSE_DOWN,              HID_MOUSE_DOWN },
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|         { ACTION_USB_HID_MOUSE_DOWN_REP,          HID_MOUSE_DOWN_REP },
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|         { ACTION_USB_HID_MOUSE_LDRAG_DOWN,        HID_MOUSE_LDRAG_DOWN },
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|         { ACTION_USB_HID_MOUSE_LDRAG_DOWN_REP,    HID_MOUSE_LDRAG_DOWN_REP },
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|         { ACTION_USB_HID_MOUSE_RDRAG_DOWN,        HID_MOUSE_RDRAG_DOWN },
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|         { ACTION_USB_HID_MOUSE_RDRAG_DOWN_REP,    HID_MOUSE_RDRAG_DOWN_REP },
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|         /* Cursor move left */
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|         { ACTION_USB_HID_MOUSE_LEFT,              HID_MOUSE_LEFT },
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|         { ACTION_USB_HID_MOUSE_LEFT_REP,          HID_MOUSE_LEFT_REP },
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|         { ACTION_USB_HID_MOUSE_LDRAG_LEFT,        HID_MOUSE_LDRAG_LEFT },
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|         { ACTION_USB_HID_MOUSE_LDRAG_LEFT_REP,    HID_MOUSE_LDRAG_LEFT_REP },
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|         { ACTION_USB_HID_MOUSE_RDRAG_LEFT,        HID_MOUSE_RDRAG_LEFT },
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|         { ACTION_USB_HID_MOUSE_RDRAG_LEFT_REP,    HID_MOUSE_RDRAG_LEFT_REP },
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|         /* Cursor move right */
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|         { ACTION_USB_HID_MOUSE_RIGHT,             HID_MOUSE_RIGHT },
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|         { ACTION_USB_HID_MOUSE_RIGHT_REP,         HID_MOUSE_RIGHT_REP },
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|         { ACTION_USB_HID_MOUSE_LDRAG_RIGHT,       HID_MOUSE_LDRAG_RIGHT },
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|         { ACTION_USB_HID_MOUSE_LDRAG_RIGHT_REP,   HID_MOUSE_LDRAG_RIGHT_REP },
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|         { ACTION_USB_HID_MOUSE_RDRAG_RIGHT,       HID_MOUSE_RDRAG_RIGHT },
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|         { ACTION_USB_HID_MOUSE_RDRAG_RIGHT_REP,   HID_MOUSE_RDRAG_RIGHT_REP },
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|         /* Mouse button left-click */
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|         { ACTION_USB_HID_MOUSE_BUTTON_LEFT,       HID_MOUSE_BUTTON_LEFT },
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|         { ACTION_USB_HID_MOUSE_BUTTON_LEFT_REL,   HID_MOUSE_BUTTON_LEFT_REL },
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|         /* Mouse button right-click */
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|         { ACTION_USB_HID_MOUSE_BUTTON_RIGHT,      HID_MOUSE_BUTTON_RIGHT },
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|         { ACTION_USB_HID_MOUSE_BUTTON_RIGHT_REL,  HID_MOUSE_BUTTON_RIGHT_REL },
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|         /* Mouse wheel scroll up */
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|         { ACTION_USB_HID_MOUSE_WHEEL_SCROLL_UP,   HID_MOUSE_SCROLL_UP },
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|         /* Mouse wheel scroll down */
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|         { ACTION_USB_HID_MOUSE_WHEEL_SCROLL_DOWN, HID_MOUSE_SCROLL_DOWN },
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|         { 0,                                     0 },
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|     }
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| };
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| 
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| #define USB_KEYPAD_MODE_MOUSE 3 /* Value of the mouse setting (hard-coded) */
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| #endif /* HAVE_USB_HID_MOUSE */
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| 
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| static const hid_key_mapping_t *hid_key_mappings[] =
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| {
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|     &hid_key_mapping_multimedia,
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|     &hid_key_mapping_presentation,
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|     &hid_key_mapping_browser,
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| #ifdef HAVE_USB_HID_MOUSE
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|     &hid_key_mapping_mouse,
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| #endif
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| };
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| 
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| extern int usb_keypad_mode;
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| 
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| int get_hid_usb_action(void)
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| {
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|     int action, step;
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|     const hid_key_mapping_t *key_mapping = hid_key_mappings[usb_keypad_mode];
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| 
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|     step = -1;
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|     action = get_action(key_mapping->context, HZ/4);
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|     switch (action)
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|     {
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|         case ACTION_USB_HID_MODE_SWITCH_NEXT:
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|             step = 1;
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|         case ACTION_USB_HID_MODE_SWITCH_PREV:
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|             /* Switch key mappings in a cyclic way */
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|             usb_keypad_mode = clamp_value_wrap(usb_keypad_mode + step,
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|                     ARRAYLEN(hid_key_mappings) - 1, 0);
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|             break;
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|         default:
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|             {
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|                 const mapping_t *mapping;
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|                 const hid_key_mapping_t *key_mapping =
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|                     hid_key_mappings[usb_keypad_mode];
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| 
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|                 if (action <= ACTION_USB_HID_FIRST ||
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|                         action >= ACTION_USB_HID_LAST)
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|                 {
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|                     break;
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|                 }
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| 
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|                 for (mapping = key_mapping->mapping; mapping->action; mapping++)
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|                 {
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|                     if (action == mapping->action)
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|                     {
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|                         logf("Action %d", action);
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|                         usb_hid_send(key_mapping->usage_page, mapping->id);
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|                         break;
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|                     }
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|                 }
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| #ifdef DEBUG
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|                 if (!mapping->action)
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|                     logf("Action %d not found", action);
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| #endif
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|                 break;
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|             }
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|     }
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| 
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|     return action;
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| }
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| 
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| int keypad_mode_name_get(void)
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| {
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|     return hid_key_mappings[usb_keypad_mode]->lang_name;
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| }
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