rockbox/apps/usb_keymaps.c

226 lines
9.2 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2009 Tomer Shalev
*
* 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 "config.h"
#include "action.h"
#include "lang.h"
#include "misc.h"
#include "usbstack/usb_hid.h"
#include "usb_keymaps.h"
/*#define LOGF_ENABLE*/
#include "logf.h"
#define MODIFIER(modifier, key) ((key) | (modifier << 8))
#define ALT(key) MODIFIER(HID_KEYBOARD_LEFT_ALT, key)
#define CTRL(key) MODIFIER(HID_KEYBOARD_LEFT_CONTROL, key)
#define SHIFT(key) MODIFIER(HID_KEYBOARD_LEFT_SHIFT, key)
typedef struct
{
int action;
int id;
} mapping_t;
typedef struct
{
int lang_name;
int context;
usage_page_t usage_page;
mapping_t mapping[];
} hid_key_mapping_t;
static const hid_key_mapping_t hid_key_mapping_multimedia = {
LANG_MULTIMEDIA_MODE,
CONTEXT_USB_HID_MODE_MULTIMEDIA,
HID_USAGE_PAGE_CONSUMER,
{
{ ACTION_USB_HID_MULTIMEDIA_VOLUME_UP, HID_CONSUMER_USAGE_VOLUME_INCREMENT },
{ ACTION_USB_HID_MULTIMEDIA_VOLUME_DOWN, HID_CONSUMER_USAGE_VOLUME_DECREMENT },
{ ACTION_USB_HID_MULTIMEDIA_VOLUME_MUTE, HID_CONSUMER_USAGE_MUTE },
{ ACTION_USB_HID_MULTIMEDIA_PLAYBACK_PLAY_PAUSE, HID_CONSUMER_USAGE_PLAY_PAUSE },
{ ACTION_USB_HID_MULTIMEDIA_PLAYBACK_STOP, HID_CONSUMER_USAGE_STOP },
{ ACTION_USB_HID_MULTIMEDIA_PLAYBACK_TRACK_PREV, HID_CONSUMER_USAGE_SCAN_PREVIOUS_TRACK },
{ ACTION_USB_HID_MULTIMEDIA_PLAYBACK_TRACK_NEXT, HID_CONSUMER_USAGE_SCAN_NEXT_TRACK },
{ 0, 0 },
}
};
static const hid_key_mapping_t hid_key_mapping_presentation = {
LANG_PRESENTATION_MODE,
CONTEXT_USB_HID_MODE_PRESENTATION,
HID_USAGE_PAGE_KEYBOARD_KEYPAD,
{
{ ACTION_USB_HID_PRESENTATION_SLIDESHOW_START, HID_KEYBOARD_F5 },
{ ACTION_USB_HID_PRESENTATION_SLIDESHOW_LEAVE, HID_KEYBOARD_ESCAPE },
{ ACTION_USB_HID_PRESENTATION_SLIDE_PREV, HID_KEYBOARD_P },
{ ACTION_USB_HID_PRESENTATION_SLIDE_NEXT, HID_KEYBOARD_N },
{ ACTION_USB_HID_PRESENTATION_SLIDE_FIRST, HID_KEYBOARD_HOME },
{ ACTION_USB_HID_PRESENTATION_SLIDE_LAST, HID_KEYBOARD_END },
{ ACTION_USB_HID_PRESENTATION_SCREEN_BLACK, HID_KEYBOARD_DOT },
{ ACTION_USB_HID_PRESENTATION_SCREEN_WHITE, HID_KEYBOARD_COMMA },
{ ACTION_USB_HID_PRESENTATION_LINK_PREV, SHIFT(HID_KEYBOARD_TAB) },
{ ACTION_USB_HID_PRESENTATION_LINK_NEXT, HID_KEYBOARD_TAB },
{ ACTION_USB_HID_PRESENTATION_MOUSE_CLICK, HID_KEYBOARD_RETURN },
{ ACTION_USB_HID_PRESENTATION_MOUSE_OVER, SHIFT(HID_KEYBOARD_RETURN) },
{ 0, 0 },
}
};
static const hid_key_mapping_t hid_key_mapping_browser = {
LANG_BROWSER_MODE,
CONTEXT_USB_HID_MODE_BROWSER,
HID_USAGE_PAGE_KEYBOARD_KEYPAD,
{
{ ACTION_USB_HID_BROWSER_SCROLL_UP, HID_KEYBOARD_UP_ARROW },
{ ACTION_USB_HID_BROWSER_SCROLL_DOWN, HID_KEYBOARD_DOWN_ARROW },
{ ACTION_USB_HID_BROWSER_SCROLL_UP, HID_KEYBOARD_PAGE_UP },
{ ACTION_USB_HID_BROWSER_SCROLL_DOWN, HID_KEYBOARD_PAGE_DOWN },
{ ACTION_USB_HID_BROWSER_ZOOM_IN, CTRL(HID_KEYPAD_PLUS) },
{ ACTION_USB_HID_BROWSER_ZOOM_OUT, CTRL(HID_KEYPAD_MINUS) },
{ ACTION_USB_HID_BROWSER_ZOOM_RESET, CTRL(HID_KEYPAD_0_AND_INSERT) },
{ ACTION_USB_HID_BROWSER_TAB_PREV, CTRL(HID_KEYBOARD_PAGE_UP) },
{ ACTION_USB_HID_BROWSER_TAB_NEXT, CTRL(HID_KEYBOARD_PAGE_DOWN) },
{ ACTION_USB_HID_BROWSER_TAB_CLOSE, CTRL(HID_KEYBOARD_W) },
{ ACTION_USB_HID_BROWSER_HISTORY_BACK, ALT(HID_KEYBOARD_LEFT_ARROW) },
{ ACTION_USB_HID_BROWSER_HISTORY_FORWARD, ALT(HID_KEYBOARD_RIGHT_ARROW) },
{ ACTION_USB_HID_BROWSER_VIEW_FULL_SCREEN, HID_KEYBOARD_F11 },
{ 0, 0 },
}
};
#ifdef HAVE_USB_HID_MOUSE
static const hid_key_mapping_t hid_key_mapping_mouse = {
LANG_MOUSE_MODE,
CONTEXT_USB_HID_MODE_MOUSE,
HID_USAGE_PAGE_GENERIC_DESKTOP_CONTROLS,
{
/* Cursor move up */
{ ACTION_USB_HID_MOUSE_UP, HID_MOUSE_UP },
{ ACTION_USB_HID_MOUSE_UP_REP, HID_MOUSE_UP_REP },
{ ACTION_USB_HID_MOUSE_LDRAG_UP, HID_MOUSE_LDRAG_UP },
{ ACTION_USB_HID_MOUSE_LDRAG_UP_REP, HID_MOUSE_LDRAG_UP_REP },
{ ACTION_USB_HID_MOUSE_RDRAG_UP, HID_MOUSE_RDRAG_UP },
{ ACTION_USB_HID_MOUSE_RDRAG_UP_REP, HID_MOUSE_RDRAG_UP_REP },
/* Cursor move down */
{ ACTION_USB_HID_MOUSE_DOWN, HID_MOUSE_DOWN },
{ ACTION_USB_HID_MOUSE_DOWN_REP, HID_MOUSE_DOWN_REP },
{ ACTION_USB_HID_MOUSE_LDRAG_DOWN, HID_MOUSE_LDRAG_DOWN },
{ ACTION_USB_HID_MOUSE_LDRAG_DOWN_REP, HID_MOUSE_LDRAG_DOWN_REP },
{ ACTION_USB_HID_MOUSE_RDRAG_DOWN, HID_MOUSE_RDRAG_DOWN },
{ ACTION_USB_HID_MOUSE_RDRAG_DOWN_REP, HID_MOUSE_RDRAG_DOWN_REP },
/* Cursor move left */
{ ACTION_USB_HID_MOUSE_LEFT, HID_MOUSE_LEFT },
{ ACTION_USB_HID_MOUSE_LEFT_REP, HID_MOUSE_LEFT_REP },
{ ACTION_USB_HID_MOUSE_LDRAG_LEFT, HID_MOUSE_LDRAG_LEFT },
{ ACTION_USB_HID_MOUSE_LDRAG_LEFT_REP, HID_MOUSE_LDRAG_LEFT_REP },
{ ACTION_USB_HID_MOUSE_RDRAG_LEFT, HID_MOUSE_RDRAG_LEFT },
{ ACTION_USB_HID_MOUSE_RDRAG_LEFT_REP, HID_MOUSE_RDRAG_LEFT_REP },
/* Cursor move right */
{ ACTION_USB_HID_MOUSE_RIGHT, HID_MOUSE_RIGHT },
{ ACTION_USB_HID_MOUSE_RIGHT_REP, HID_MOUSE_RIGHT_REP },
{ ACTION_USB_HID_MOUSE_LDRAG_RIGHT, HID_MOUSE_LDRAG_RIGHT },
{ ACTION_USB_HID_MOUSE_LDRAG_RIGHT_REP, HID_MOUSE_LDRAG_RIGHT_REP },
{ ACTION_USB_HID_MOUSE_RDRAG_RIGHT, HID_MOUSE_RDRAG_RIGHT },
{ ACTION_USB_HID_MOUSE_RDRAG_RIGHT_REP, HID_MOUSE_RDRAG_RIGHT_REP },
/* Mouse button left-click */
{ ACTION_USB_HID_MOUSE_BUTTON_LEFT, HID_MOUSE_BUTTON_LEFT },
{ ACTION_USB_HID_MOUSE_BUTTON_LEFT_REL, HID_MOUSE_BUTTON_LEFT_REL },
/* Mouse button right-click */
{ ACTION_USB_HID_MOUSE_BUTTON_RIGHT, HID_MOUSE_BUTTON_RIGHT },
{ ACTION_USB_HID_MOUSE_BUTTON_RIGHT_REL, HID_MOUSE_BUTTON_RIGHT_REL },
/* Mouse wheel scroll up */
{ ACTION_USB_HID_MOUSE_WHEEL_SCROLL_UP, HID_MOUSE_SCROLL_UP },
/* Mouse wheel scroll down */
{ ACTION_USB_HID_MOUSE_WHEEL_SCROLL_DOWN, HID_MOUSE_SCROLL_DOWN },
{ 0, 0 },
}
};
#define USB_KEYPAD_MODE_MOUSE 3 /* Value of the mouse setting (hard-coded) */
#endif /* HAVE_USB_HID_MOUSE */
static const hid_key_mapping_t *hid_key_mappings[] =
{
&hid_key_mapping_multimedia,
&hid_key_mapping_presentation,
&hid_key_mapping_browser,
#ifdef HAVE_USB_HID_MOUSE
&hid_key_mapping_mouse,
#endif
};
extern int usb_keypad_mode;
int get_hid_usb_action(void)
{
int action, step;
const hid_key_mapping_t *key_mapping = hid_key_mappings[usb_keypad_mode];
step = -1;
action = get_action(key_mapping->context, HZ/4);
switch (action)
{
case ACTION_USB_HID_MODE_SWITCH_NEXT:
step = 1;
/* fallthrough */
case ACTION_USB_HID_MODE_SWITCH_PREV:
/* Switch key mappings in a cyclic way */
usb_keypad_mode = clamp_value_wrap(usb_keypad_mode + step,
ARRAYLEN(hid_key_mappings) - 1, 0);
break;
default:
{
const mapping_t *mapping;
const hid_key_mapping_t *key_mapping =
hid_key_mappings[usb_keypad_mode];
if (action <= ACTION_USB_HID_FIRST ||
action >= ACTION_USB_HID_LAST)
{
break;
}
for (mapping = key_mapping->mapping; mapping->action; mapping++)
{
if (action == mapping->action)
{
logf("Action %d", action);
usb_hid_send(key_mapping->usage_page, mapping->id);
break;
}
}
#ifdef DEBUG
if (!mapping->action)
logf("Action %d not found", action);
#endif
break;
}
}
return action;
}
int keypad_mode_name_get(void)
{
return hid_key_mappings[usb_keypad_mode]->lang_name;
}