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rockbox/apps/gui/usb_screen.c
Thomas Martitz 1645c148e3 Simulate usb plugging on the sim better using sim_tasks. 
Now all threads need to ack the connection like on real target, dircache is unloaded and playback stops accordingly.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@31009 a1c6a512-1295-4272-9138-f99709370657
2011-11-17 18:40:00 +00:00

343 lines
8.8 KiB
C
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 Björn Stenberg
*
* 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 <stdio.h>
#include <stdbool.h>
#include "action.h"
#include "font.h"
#ifdef HAVE_REMOTE_LCD
#include "lcd-remote.h"
#endif
#include "lang.h"
#include "usb.h"
#if defined(HAVE_USBSTACK)
#include "usb_core.h"
#ifdef USB_ENABLE_HID
#include "usb_keymaps.h"
#endif
#endif
#include "settings.h"
#include "led.h"
#include "appevents.h"
#include "usb_screen.h"
#include "skin_engine/skin_engine.h"
#ifdef HAVE_LCD_BITMAP
#include "bitmaps/usblogo.h"
#endif
#ifdef HAVE_REMOTE_LCD
#include "bitmaps/remote_usblogo.h"
#endif
#if (CONFIG_STORAGE & STORAGE_MMC)
#include "ata_mmc.h"
#endif
#ifdef USB_ENABLE_HID
int usb_keypad_mode;
static bool usb_hid;
#endif
#ifndef SIMULATOR
static int handle_usb_events(void)
{
#if (CONFIG_STORAGE & STORAGE_MMC)
int next_update=0;
#endif /* STORAGE_MMC */
/* Don't return until we get SYS_USB_DISCONNECTED or SYS_TIMEOUT */
while(1)
{
int button;
#ifdef USB_ENABLE_HID
if (usb_hid)
{
button = get_hid_usb_action();
/* On mode change, we need to refresh the screen */
if (button == ACTION_USB_HID_MODE_SWITCH_NEXT ||
button == ACTION_USB_HID_MODE_SWITCH_PREV)
{
break;
}
}
else
#endif
{
button = button_get_w_tmo(HZ/2);
/* hid emits the event in get_action */
send_event(GUI_EVENT_ACTIONUPDATE, NULL);
}
switch(button)
{
case SYS_USB_DISCONNECTED:
return 1;
case SYS_CHARGER_DISCONNECTED:
/*reset rockbox battery runtime*/
global_status.runtime = 0;
break;
case SYS_TIMEOUT:
break;
}
#if (CONFIG_STORAGE & STORAGE_MMC) /* USB-MMC bridge can report activity */
if(TIME_AFTER(current_tick,next_update))
{
if(usb_inserted()) {
led(mmc_usb_active(HZ));
}
next_update=current_tick+HZ/2;
}
#endif /* STORAGE_MMC */
}
return 0;
}
#endif /* SIMULATOR */
#define MODE_NAME_LEN 32
struct usb_screen_vps_t
{
struct viewport parent;
#ifdef HAVE_LCD_BITMAP
struct viewport logo;
#ifdef USB_ENABLE_HID
struct viewport title;
#endif
#endif
};
#ifdef HAVE_LCD_BITMAP
static void usb_screen_fix_viewports(struct screen *screen,
struct usb_screen_vps_t *usb_screen_vps)
{
bool disable = true;
int logo_width, logo_height;
struct viewport *parent = &usb_screen_vps->parent;
struct viewport *logo = &usb_screen_vps->logo;
#ifdef HAVE_REMOTE_LCD
if (screen->screen_type == SCREEN_REMOTE)
{
logo_width = BMPWIDTH_remote_usblogo;
logo_height = BMPHEIGHT_remote_usblogo;
}
else
#endif
{
logo_width = BMPWIDTH_usblogo;
logo_height = BMPHEIGHT_usblogo;
}
viewport_set_defaults(parent, screen->screen_type);
disable = (parent->width < logo_width || parent->height < logo_height);
viewportmanager_theme_enable(screen->screen_type, !disable, parent);
screen->clear_display();
screen->stop_scroll();
*logo = *parent;
logo->x = parent->x + parent->width - logo_width;
logo->y = parent->y + (parent->height - logo_height) / 2;
logo->width = logo_width;
logo->height = logo_height;
#ifdef USB_ENABLE_HID
if (usb_hid)
{
struct viewport *title = &usb_screen_vps->title;
int char_height = font_get(parent->font)->height;
*title = *parent;
title->y = logo->y + logo->height + char_height;
title->height = char_height;
/* try to fit logo and title to parent */
if (parent->y + parent->height < title->y + title->height)
{
logo->y = parent->y;
title->y = parent->y + logo->height;
}
}
#endif
}
#endif
static void usb_screens_draw(struct usb_screen_vps_t *usb_screen_vps_ar)
{
#ifdef HAVE_LCD_BITMAP
static const struct bitmap* logos[NB_SCREENS] = {
&bm_usblogo,
#ifdef HAVE_REMOTE_LCD
&bm_remote_usblogo,
#endif
};
#endif
FOR_NB_SCREENS(i)
{
struct screen *screen = &screens[i];
struct usb_screen_vps_t *usb_screen_vps = &usb_screen_vps_ar[i];
struct viewport *parent = &usb_screen_vps->parent;
#ifdef HAVE_LCD_BITMAP
struct viewport *logo = &usb_screen_vps->logo;
#endif
screen->set_viewport(parent);
screen->clear_viewport();
screen->backlight_on();
#ifdef HAVE_LCD_BITMAP
screen->set_viewport(logo);
screen->bmp(logos[i], 0, 0);
if (i == SCREEN_MAIN)
{
#ifdef USB_ENABLE_HID
if (usb_hid)
{
char modestring[100];
screen->set_viewport(&usb_screen_vps->title);
usb_screen_vps->title.flags |= VP_FLAG_ALIGN_CENTER;
snprintf(modestring, sizeof(modestring), "%s: %s",
str(LANG_USB_KEYPAD_MODE),
str(keypad_mode_name_get()));
screen->puts_scroll(0, 0, modestring);
}
#endif /* USB_ENABLE_HID */
}
screen->set_viewport(parent);
#else /* !HAVE_LCD_BITMAP */
screen->double_height(false);
screen->puts_scroll(0, 0, "[USB Mode]");
status_set_param(false);
status_set_audio(false);
status_set_usb(true);
#endif /* HAVE_LCD_BITMAP */
screen->set_viewport(NULL);
screen->update_viewport();
}
}
void gui_usb_screen_run(bool early_usb)
{
struct usb_screen_vps_t usb_screen_vps_ar[NB_SCREENS];
#if defined HAVE_TOUCHSCREEN
enum touchscreen_mode old_mode = touchscreen_get_mode();
/* TODO: Paint buttons on screens OR switch to point mode and use
* touchscreen as a touchpad to move the host's mouse cursor */
touchscreen_set_mode(TOUCHSCREEN_BUTTON);
#endif
usb_acknowledge(SYS_USB_CONNECTED_ACK);
#ifdef USB_ENABLE_HID
usb_hid = global_settings.usb_hid;
usb_keypad_mode = global_settings.usb_keypad_mode;
#endif
if(!early_usb)
{
/* The font system leaves the .fnt fd's open, so we need for force close them all */
#ifdef HAVE_LCD_BITMAP
FOR_NB_SCREENS(i)
{
font_unload(screens[i].getuifont());
screens[i].setuifont(FONT_SYSFIXED);
}
skin_unload_all();
#endif
}
FOR_NB_SCREENS(i)
{
struct screen *screen = &screens[i];
screen->set_viewport(NULL);
#ifdef HAVE_LCD_CHARCELLS
/* Quick fix. Viewports should really be enabled proper for charcell */
viewport_set_defaults(&usb_screen_vps_ar[i].parent, i);
#else
usb_screen_fix_viewports(screen, &usb_screen_vps_ar[i]);
#endif
}
while (1)
{
usb_screens_draw(usb_screen_vps_ar);
#ifdef SIMULATOR
if (button_get_w_tmo(HZ/2))
break;
send_event(GUI_EVENT_ACTIONUPDATE, NULL);
#else
if (handle_usb_events())
break;
#endif /* SIMULATOR */
}
FOR_NB_SCREENS(i)
{
const struct viewport* vp = NULL;
#if defined(HAVE_LCD_BITMAP) && defined(USB_ENABLE_HID)
vp = usb_hid ? &usb_screen_vps_ar[i].title : NULL;
#elif !defined(HAVE_LCD_BITMAP)
vp = &usb_screen_vps_ar[i].parent;
#endif
if (vp)
screens[i].scroll_stop(vp);
}
#ifdef USB_ENABLE_HID
if (global_settings.usb_keypad_mode != usb_keypad_mode)
{
global_settings.usb_keypad_mode = usb_keypad_mode;
settings_save();
}
#endif
#ifdef HAVE_TOUCHSCREEN
touchscreen_set_mode(old_mode);
#endif
#ifdef HAVE_LCD_CHARCELLS
status_set_usb(false);
#endif /* HAVE_LCD_CHARCELLS */
#ifdef HAVE_LCD_BITMAP
if(!early_usb)
{
/* Not pretty, reload all settings so fonts are loaded again correctly */
settings_apply(true);
settings_apply_skins();
}
#endif
FOR_NB_SCREENS(i)
{
screens[i].backlight_on();
viewportmanager_theme_undo(i, false);
}
}
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