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rockbox/apps/misc.c

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Daniel 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 <stdlib.h>
#include <ctype.h>
#include <stdio.h>
#include <stdarg.h>
#include <errno.h>
#include "string-extra.h"
#include "config.h"
#include "misc.h"
#include "system.h"
#include "lcd.h"
#include "file.h"
#ifndef __PCTOOL__
#include "filefuncs.h"
#include "lang.h"
#include "dir.h"
#ifdef HAVE_REMOTE_LCD
#include "lcd-remote.h"
#endif
#include "action.h"
#include "timefuncs.h"
#include "screens.h"
#include "usb_screen.h"
#include "talk.h"
#include "audio.h"
#include "settings.h"
#include "storage.h"
#include "ata_idle_notify.h"
#include "kernel.h"
#include "power.h"
#include "powermgmt.h"
#include "backlight.h"
#include "version.h"
#include "font.h"
#include "splash.h"
#include "tagcache.h"
#include "scrobbler.h"
#include "sound.h"
#include "playlist.h"
#include "yesno.h"
#include "viewport.h"
#include "list.h"
#include "debug.h"
#if CONFIG_TUNER
#include "radio.h"
#endif
#ifdef IPOD_ACCESSORY_PROTOCOL
#include "iap.h"
#endif
#if (CONFIG_STORAGE & STORAGE_MMC)
#include "ata_mmc.h"
#endif
#include "tree.h"
#include "eeprom_settings.h"
#if defined(HAVE_RECORDING) && !defined(__PCTOOL__)
#include "recording.h"
#endif
#if defined(HAVE_LCD_BITMAP) && !defined(__PCTOOL__)
#include "bmp.h"
#include "icons.h"
#endif /* End HAVE_LCD_BITMAP */
#include "bookmark.h"
#include "wps.h"
#include "playback.h"
#if CONFIG_CODEC == SWCODEC
#include "voice_thread.h"
#else
#include "mp3_playback.h"
#endif
#ifdef BOOTFILE
#if !defined(USB_NONE) && !defined(USB_HANDLED_BY_OF) \
|| defined(HAVE_HOTSWAP_STORAGE_AS_MAIN)
#include "rolo.h"
#endif
#endif
#ifdef HAVE_HARDWARE_CLICK
#include "piezo.h"
#endif
/* units used with output_dyn_value */
const unsigned char * const byte_units[] =
{
ID2P(LANG_BYTE),
ID2P(LANG_KILOBYTE),
ID2P(LANG_MEGABYTE),
ID2P(LANG_GIGABYTE)
};
const unsigned char * const * const kbyte_units = &byte_units[1];
/* Format a large-range value for output, using the appropriate unit so that
* the displayed value is in the range 1 <= display < 1000 (1024 for "binary"
* units) if possible, and 3 significant digits are shown. If a buffer is
* given, the result is snprintf()'d into that buffer, otherwise the result is
* voiced.*/
char *output_dyn_value(char *buf, int buf_size, int value,
const unsigned char * const *units, bool bin_scale)
{
int scale = bin_scale ? 1024 : 1000;
int fraction = 0;
int unit_no = 0;
char tbuf[5];
while (value >= scale)
{
fraction = value % scale;
value /= scale;
unit_no++;
}
if (bin_scale)
fraction = fraction * 1000 / 1024;
if (value >= 100 || !unit_no)
tbuf[0] = '\0';
else if (value >= 10)
snprintf(tbuf, sizeof(tbuf), "%01d", fraction / 100);
else
snprintf(tbuf, sizeof(tbuf), "%02d", fraction / 10);
if (buf)
{
if (*tbuf)
snprintf(buf, buf_size, "%d%s%s%s", value, str(LANG_POINT),
tbuf, P2STR(units[unit_no]));
else
snprintf(buf, buf_size, "%d%s", value, P2STR(units[unit_no]));
}
else
{
talk_fractional(tbuf, value, P2ID(units[unit_no]));
}
return buf;
}
/* Ask the user if they really want to erase the current dynamic playlist
* returns true if the playlist should be replaced */
bool warn_on_pl_erase(void)
{
if (global_settings.warnon_erase_dynplaylist &&
!global_settings.party_mode &&
playlist_modified(NULL))
{
static const char *lines[] =
{ID2P(LANG_WARN_ERASEDYNPLAYLIST_PROMPT)};
static const struct text_message message={lines, 1};
return (gui_syncyesno_run(&message, NULL, NULL) == YESNO_YES);
}
else
return true;
}
/* Performance optimized version of the read_line() (see below) function. */
int fast_readline(int fd, char *buf, int buf_size, void *parameters,
int (*callback)(int n, char *buf, void *parameters))
{
char *p, *next;
int rc, pos = 0;
int count = 0;
while ( 1 )
{
next = NULL;
rc = read(fd, &buf[pos], buf_size - pos - 1);
if (rc >= 0)
buf[pos+rc] = '\0';
if ( (p = strchr(buf, '\n')) != NULL)
{
*p = '\0';
next = ++p;
}
if ( (p = strchr(buf, '\r')) != NULL)
{
*p = '\0';
if (!next)
next = ++p;
}
rc = callback(count, buf, parameters);
if (rc < 0)
return rc;
count++;
if (next)
{
pos = buf_size - ((long)next - (long)buf) - 1;
memmove(buf, next, pos);
}
else
break ;
}
return 0;
}
/* parse a line from a configuration file. the line format is:
name: value
Any whitespace before setting name or value (after ':') is ignored.
A # as first non-whitespace character discards the whole line.
Function sets pointers to null-terminated setting name and value.
Returns false if no valid config entry was found.
*/
bool settings_parseline(char* line, char** name, char** value)
{
char* ptr;
line = skip_whitespace(line);
if ( *line == '#' )
return false;
ptr = strchr(line, ':');
if ( !ptr )
return false;
*name = line;
*ptr = 0;
ptr++;
ptr = skip_whitespace(ptr);
*value = ptr;
return true;
}
static void system_flush(void)
{
playlist_shutdown();
tree_flush();
call_storage_idle_notifys(true); /*doesnt work on usb and shutdown from ata thread */
}
static void system_restore(void)
{
tree_restore();
}
static bool clean_shutdown(void (*callback)(void *), void *parameter)
{
long msg_id = -1;
scrobbler_poweroff();
#if CONFIG_CHARGING && !defined(HAVE_POWEROFF_WHILE_CHARGING)
if(!charger_inserted())
#endif
{
bool batt_safe = battery_level_safe();
#if CONFIG_CODEC != SWCODEC || defined(HAVE_RECORDING)
int audio_stat = audio_status();
#endif
FOR_NB_SCREENS(i)
{
screens[i].clear_display();
screens[i].update();
}
if (batt_safe)
{
int level;
#ifdef HAVE_TAGCACHE
if (!tagcache_prepare_shutdown())
{
cancel_shutdown();
splash(HZ, ID2P(LANG_TAGCACHE_BUSY));
return false;
}
#endif
level = battery_level();
if (level > 10 || level < 0)
splash(0, str(LANG_SHUTTINGDOWN));
else
{
msg_id = LANG_WARNING_BATTERY_LOW;
splashf(0, "%s %s", str(LANG_WARNING_BATTERY_LOW),
str(LANG_SHUTTINGDOWN));
}
}
else
{
msg_id = LANG_WARNING_BATTERY_EMPTY;
splashf(0, "%s %s", str(LANG_WARNING_BATTERY_EMPTY),
str(LANG_SHUTTINGDOWN));
}
#if CONFIG_CODEC != SWCODEC
if (global_settings.fade_on_stop
&& (audio_stat & AUDIO_STATUS_PLAY))
{
fade(false, false);
}
#endif
if (batt_safe) /* do not save on critical battery */
{
#if defined(HAVE_RECORDING) && CONFIG_CODEC == SWCODEC
if (audio_stat & AUDIO_STATUS_RECORD)
{
rec_command(RECORDING_CMD_STOP);
/* wait for stop to complete */
while (audio_status() & AUDIO_STATUS_RECORD)
sleep(1);
}
#endif
bookmark_autobookmark(false);
/* audio_stop_recording == audio_stop for HWCODEC */
audio_stop();
if (callback != NULL)
callback(parameter);
#if CONFIG_CODEC != SWCODEC
/* wait for audio_stop or audio_stop_recording to complete */
while (audio_status())
sleep(1);
#endif
#if defined(HAVE_RECORDING) && CONFIG_CODEC == SWCODEC
audio_close_recording();
#endif
if(global_settings.talk_menu)
{
bool enqueue = false;
if(msg_id != -1)
{
talk_id(msg_id, enqueue);
enqueue = true;
}
talk_id(LANG_SHUTTINGDOWN, enqueue);
#if CONFIG_CODEC == SWCODEC
voice_wait();
#endif
}
system_flush();
#ifdef HAVE_EEPROM_SETTINGS
if (firmware_settings.initialized)
{
firmware_settings.disk_clean = true;
firmware_settings.bl_version = 0;
eeprom_settings_store();
}
#endif
}
#ifdef HAVE_DIRCACHE
else
dircache_disable();
#endif
shutdown_hw();
}
return false;
}
bool list_stop_handler(void)
{
bool ret = false;
#if CONFIG_TUNER
radio_stop();
#endif
/* Stop the music if it is playing */
if(audio_status())
{
if (!global_settings.party_mode)
{
#if CONFIG_CODEC != SWCODEC
if (global_settings.fade_on_stop)
fade(false, false);
#endif
bookmark_autobookmark(true);
audio_stop();
ret = true; /* bookmarking can make a refresh necessary */
}
}
#if CONFIG_CHARGING
#if (CONFIG_KEYPAD == RECORDER_PAD) && !defined(HAVE_SW_POWEROFF)
else
{
if (charger_inserted())
charging_splash();
else
shutdown_screen(); /* won't return if shutdown actually happens */
ret = true; /* screen is dirty, caller needs to refresh */
}
#endif
#ifndef HAVE_POWEROFF_WHILE_CHARGING
{
static long last_off = 0;
if (TIME_BEFORE(current_tick, last_off + HZ/2))
{
if (charger_inserted())
{
charging_splash();
ret = true; /* screen is dirty, caller needs to refresh */
}
}
last_off = current_tick;
}
#endif
#endif /* CONFIG_CHARGING */
return ret;
}
#if CONFIG_CHARGING
static bool waiting_to_resume_play = false;
static long play_resume_tick;
static void car_adapter_mode_processing(bool inserted)
{
if (global_settings.car_adapter_mode)
{
if(inserted)
{
/*
* Just got plugged in, delay & resume if we were playing
*/
if (audio_status() & AUDIO_STATUS_PAUSE)
{
/* delay resume a bit while the engine is cranking */
play_resume_tick = current_tick + HZ*5;
waiting_to_resume_play = true;
}
}
else
{
/*
* Just got unplugged, pause if playing
*/
if ((audio_status() & AUDIO_STATUS_PLAY) &&
!(audio_status() & AUDIO_STATUS_PAUSE))
{
pause_action(true, true);
}
waiting_to_resume_play = false;
}
}
}
static void car_adapter_tick(void)
{
if (waiting_to_resume_play)
{
if (TIME_AFTER(current_tick, play_resume_tick))
{
if (audio_status() & AUDIO_STATUS_PAUSE)
{
queue_broadcast(SYS_CAR_ADAPTER_RESUME, 0);
}
waiting_to_resume_play = false;
}
}
}
void car_adapter_mode_init(void)
{
tick_add_task(car_adapter_tick);
}
#endif
#ifdef HAVE_HEADPHONE_DETECTION
static void unplug_change(bool inserted)
{
static bool headphone_caused_pause = false;
if (global_settings.unplug_mode)
{
int audio_stat = audio_status();
if (inserted)
{
backlight_on();
if ((audio_stat & AUDIO_STATUS_PLAY) &&
headphone_caused_pause &&
global_settings.unplug_mode > 1 )
unpause_action(true, true);
headphone_caused_pause = false;
} else {
if ((audio_stat & AUDIO_STATUS_PLAY) &&
!(audio_stat & AUDIO_STATUS_PAUSE))
{
headphone_caused_pause = true;
pause_action(false, false);
}
}
}
}
#endif
long default_event_handler_ex(long event, void (*callback)(void *), void *parameter)
{
#if CONFIG_PLATFORM & (PLATFORM_ANDROID|PLATFORM_MAEMO)
static bool resume = false;
#endif
switch(event)
{
case SYS_BATTERY_UPDATE:
if(global_settings.talk_battery_level)
{
talk_ids(true, VOICE_PAUSE, VOICE_PAUSE,
LANG_BATTERY_TIME,
TALK_ID(battery_level(), UNIT_PERCENT),
VOICE_PAUSE);
talk_force_enqueue_next();
}
break;
case SYS_USB_CONNECTED:
if (callback != NULL)
callback(parameter);
#if (CONFIG_STORAGE & STORAGE_MMC) && (defined(ARCHOS_ONDIOSP) || defined(ARCHOS_ONDIOFM))
if (!mmc_touched() ||
(mmc_remove_request() == SYS_HOTSWAP_EXTRACTED))
#endif
{
system_flush();
#ifdef BOOTFILE
#if !defined(USB_NONE) && !defined(USB_HANDLED_BY_OF)
check_bootfile(false); /* gets initial size */
#endif
#endif
gui_usb_screen_run(false);
#ifdef BOOTFILE
#if !defined(USB_NONE) && !defined(USB_HANDLED_BY_OF)
check_bootfile(true);
#endif
#endif
system_restore();
}
return SYS_USB_CONNECTED;
case SYS_POWEROFF:
if (!clean_shutdown(callback, parameter))
return SYS_POWEROFF;
break;
#if CONFIG_CHARGING
case SYS_CHARGER_CONNECTED:
car_adapter_mode_processing(true);
return SYS_CHARGER_CONNECTED;
case SYS_CHARGER_DISCONNECTED:
car_adapter_mode_processing(false);
/*reset rockbox battery runtime*/
global_status.runtime = 0;
return SYS_CHARGER_DISCONNECTED;
case SYS_CAR_ADAPTER_RESUME:
unpause_action(true, true);
return SYS_CAR_ADAPTER_RESUME;
#endif
#ifdef HAVE_HOTSWAP_STORAGE_AS_MAIN
case SYS_FS_CHANGED:
{
/* simple sanity: assume rockbox is on the first hotswappable
* driver, abort out if that one isn't inserted */
int i;
for (i = 0; i < NUM_DRIVES; i++)
{
if (storage_removable(i) && !storage_present(i))
return SYS_FS_CHANGED;
}
system_flush();
check_bootfile(true); /* state gotten in main.c:init() */
system_restore();
}
return SYS_FS_CHANGED;
#endif
#ifdef HAVE_HEADPHONE_DETECTION
case SYS_PHONE_PLUGGED:
unplug_change(true);
return SYS_PHONE_PLUGGED;
case SYS_PHONE_UNPLUGGED:
unplug_change(false);
return SYS_PHONE_UNPLUGGED;
#endif
#ifdef IPOD_ACCESSORY_PROTOCOL
case SYS_IAP_PERIODIC:
iap_periodic();
return SYS_IAP_PERIODIC;
case SYS_IAP_HANDLEPKT:
iap_handlepkt();
return SYS_IAP_HANDLEPKT;
#endif
#if CONFIG_PLATFORM & (PLATFORM_ANDROID|PLATFORM_MAEMO)
/* stop playback if we receive a call */
case SYS_CALL_INCOMING:
resume = audio_status() == AUDIO_STATUS_PLAY;
list_stop_handler();
return SYS_CALL_INCOMING;
/* resume playback if needed */
case SYS_CALL_HUNG_UP:
if (resume && playlist_resume() != -1)
{
playlist_start(global_status.resume_index,
global_status.resume_offset);
}
resume = false;
return SYS_CALL_HUNG_UP;
#endif
#if (CONFIG_PLATFORM & PLATFORM_HOSTED) && defined(PLATFORM_HAS_VOLUME_CHANGE)
case SYS_VOLUME_CHANGED:
{
static bool firstvolume = true;
/* kludge: since this events go to the button_queue,
* event data is available in the last button data */
int volume = button_get_data();
DEBUGF("SYS_VOLUME_CHANGED: %d\n", volume);
if (global_settings.volume != volume) {
global_settings.volume = volume;
if (firstvolume) {
setvol();
firstvolume = false;
}
}
return 0;
}
#endif
#ifdef HAVE_MULTIMEDIA_KEYS
/* multimedia keys on keyboards, headsets */
case BUTTON_MULTIMEDIA_PLAYPAUSE:
{
int status = audio_status();
if (status & AUDIO_STATUS_PLAY)
{
if (status & AUDIO_STATUS_PAUSE)
unpause_action(true, true);
else
pause_action(true, true);
}
else
if (playlist_resume() != -1)
{
playlist_start(global_status.resume_index,
global_status.resume_offset);
}
return event;
}
case BUTTON_MULTIMEDIA_NEXT:
audio_next();
return event;
case BUTTON_MULTIMEDIA_PREV:
audio_prev();
return event;
case BUTTON_MULTIMEDIA_STOP:
list_stop_handler();
return event;
case BUTTON_MULTIMEDIA_REW:
case BUTTON_MULTIMEDIA_FFWD:
/* not supported yet, needs to be done in the WPS */
return 0;
#endif
}
return 0;
}
long default_event_handler(long event)
{
return default_event_handler_ex(event, NULL, NULL);
}
int show_logo( void )
{
#ifdef HAVE_LCD_BITMAP
char version[32];
int font_h, font_w;
snprintf(version, sizeof(version), "Ver. %s", rbversion);
lcd_clear_display();
#if defined(SANSA_CLIP) || defined(SANSA_CLIPV2) || defined(SANSA_CLIPPLUS)
/* display the logo in the blue area of the screen */
lcd_setfont(FONT_SYSFIXED);
lcd_getstringsize((unsigned char *)"A", &font_w, &font_h);
lcd_putsxy((LCD_WIDTH/2) - ((strlen(version)*font_w)/2),
0, (unsigned char *)version);
lcd_bmp(&bm_rockboxlogo, (LCD_WIDTH - BMPWIDTH_rockboxlogo) / 2, 16);
#else
lcd_bmp(&bm_rockboxlogo, (LCD_WIDTH - BMPWIDTH_rockboxlogo) / 2, 10);
lcd_setfont(FONT_SYSFIXED);
lcd_getstringsize((unsigned char *)"A", &font_w, &font_h);
lcd_putsxy((LCD_WIDTH/2) - ((strlen(version)*font_w)/2),
LCD_HEIGHT-font_h, (unsigned char *)version);
#endif
lcd_setfont(FONT_UI);
#else
char *rockbox = " ROCKbox!";
lcd_clear_display();
lcd_double_height(true);
lcd_puts(0, 0, rockbox);
lcd_puts_scroll(0, 1, rbversion);
#endif
lcd_update();
#ifdef HAVE_REMOTE_LCD
lcd_remote_clear_display();
lcd_remote_bmp(&bm_remote_rockboxlogo, 0, 10);
lcd_remote_setfont(FONT_SYSFIXED);
lcd_remote_getstringsize((unsigned char *)"A", &font_w, &font_h);
lcd_remote_putsxy((LCD_REMOTE_WIDTH/2) - ((strlen(version)*font_w)/2),
LCD_REMOTE_HEIGHT-font_h, (unsigned char *)version);
lcd_remote_setfont(FONT_UI);
lcd_remote_update();
#endif
return 0;
}
#ifdef BOOTFILE
#if !defined(USB_NONE) && !defined(USB_HANDLED_BY_OF) || defined(HAVE_HOTSWAP_STORAGE_AS_MAIN)
/*
memorize/compare details about the BOOTFILE
we don't use dircache because it may not be up to date after
USB disconnect (scanning in the background)
*/
void check_bootfile(bool do_rolo)
{
static unsigned short wrtdate = 0;
static unsigned short wrttime = 0;
DIR* dir = NULL;
struct dirent* entry = NULL;
/* 1. open BOOTDIR and find the BOOTFILE dir entry */
dir = opendir(BOOTDIR);
if(!dir) return; /* do we want an error splash? */
/* loop all files in BOOTDIR */
while(0 != (entry = readdir(dir)))
{
if(!strcasecmp(entry->d_name, BOOTFILE))
{
struct dirinfo info = dir_get_info(dir, entry);
/* found the bootfile */
if(wrtdate && do_rolo)
{
if((info.wrtdate != wrtdate) ||
(info.wrttime != wrttime))
{
static const char *lines[] = { ID2P(LANG_BOOT_CHANGED),
ID2P(LANG_REBOOT_NOW) };
static const struct text_message message={ lines, 2 };
button_clear_queue(); /* Empty the keyboard buffer */
if(gui_syncyesno_run(&message, NULL, NULL) == YESNO_YES)
{
audio_hard_stop();
rolo_load(BOOTDIR "/" BOOTFILE);
}
}
}
wrtdate = info.wrtdate;
wrttime = info.wrttime;
}
}
closedir(dir);
}
#endif
#endif
/* check range, set volume and save settings */
void setvol(void)
{
const int min_vol = sound_min(SOUND_VOLUME);
const int max_vol = sound_max(SOUND_VOLUME);
if (global_settings.volume < min_vol)
global_settings.volume = min_vol;
if (global_settings.volume > max_vol)
global_settings.volume = max_vol;
sound_set_volume(global_settings.volume);
global_status.last_volume_change = current_tick;
settings_save();
}
char* strrsplt(char* str, int c)
{
char* s = strrchr(str, c);
if (s != NULL)
{
*s++ = '\0';
}
else
{
s = str;
}
return s;
}
/*
* removes the extension of filename (if it doesn't start with a .)
* puts the result in buffer
*/
char *strip_extension(char* buffer, int buffer_size, const char *filename)
{
char *dot = strrchr(filename, '.');
int len;
if (buffer_size <= 0)
{
return NULL;
}
buffer_size--; /* Make room for end nil */
if (dot != 0 && filename[0] != '.')
{
len = dot - filename;
len = MIN(len, buffer_size);
}
else
{
len = buffer_size;
}
strlcpy(buffer, filename, len + 1);
return buffer;
}
#if CONFIG_CODEC == SWCODEC
/* Play a standard sound */
void system_sound_play(enum system_sound sound)
{
static const struct beep_params
{
int *setting;
unsigned short frequency;
unsigned short duration;
unsigned short amplitude;
} beep_params[] =
{
[SOUND_KEYCLICK] =
{ &global_settings.keyclick,
4000, KEYCLICK_DURATION, 2500 },
[SOUND_TRACK_SKIP] =
{ &global_settings.beep,
2000, 100, 2500 },
[SOUND_TRACK_NO_MORE] =
{ &global_settings.beep,
1000, 100, 1500 },
};
const struct beep_params *params = &beep_params[sound];
if (*params->setting)
{
beep_play(params->frequency, params->duration,
params->amplitude * *params->setting);
}
}
static keyclick_callback keyclick_current_callback = NULL;
static void* keyclick_data = NULL;
void keyclick_set_callback(keyclick_callback cb, void* data)
{
keyclick_current_callback = cb;
keyclick_data = data;
}
/* Produce keyclick based upon button and global settings */
void keyclick_click(bool rawbutton, int action)
{
int button = action;
static long last_button = BUTTON_NONE;
bool do_beep = false;
if (!rawbutton)
get_action_statuscode(&button);
/* Settings filters */
if (
#ifdef HAVE_HARDWARE_CLICK
(global_settings.keyclick || global_settings.keyclick_hardware)
#else
global_settings.keyclick
#endif
)
{
if (global_settings.keyclick_repeats || !(button & BUTTON_REPEAT))
{
/* Button filters */
if (button != BUTTON_NONE && !(button & BUTTON_REL)
&& !(button & (SYS_EVENT|BUTTON_MULTIMEDIA)) )
{
do_beep = true;
}
}
else if ((button & BUTTON_REPEAT) && (last_button == BUTTON_NONE))
{
do_beep = true;
}
#ifdef HAVE_SCROLLWHEEL
else if (button & (BUTTON_SCROLL_BACK | BUTTON_SCROLL_FWD))
{
do_beep = true;
}
#endif
}
if (button&BUTTON_REPEAT)
last_button = button;
else
last_button = BUTTON_NONE;
if (do_beep && keyclick_current_callback)
do_beep = keyclick_current_callback(action, keyclick_data);
keyclick_current_callback = NULL;
if (do_beep)
{
#ifdef HAVE_HARDWARE_CLICK
if (global_settings.keyclick)
{
system_sound_play(SOUND_KEYCLICK);
}
if (global_settings.keyclick_hardware)
{
#if !defined(SIMULATOR)
piezo_button_beep(false, false);
#endif
}
#else
system_sound_play(SOUND_KEYCLICK);
#endif
}
}
/* Return the ReplayGain mode adjusted by other relevant settings */
static int replaygain_setting_mode(int type)
{
switch (type)
{
case REPLAYGAIN_SHUFFLE:
type = global_settings.playlist_shuffle ?
REPLAYGAIN_TRACK : REPLAYGAIN_ALBUM;
case REPLAYGAIN_ALBUM:
case REPLAYGAIN_TRACK:
case REPLAYGAIN_OFF:
default:
break;
}
return type;
}
/* Return the ReplayGain mode adjusted for display purposes */
int id3_get_replaygain_mode(const struct mp3entry *id3)
{
if (!id3)
return -1;
int type = global_settings.replaygain_settings.type;
type = replaygain_setting_mode(type);
return (type != REPLAYGAIN_TRACK && id3->album_gain != 0) ?
REPLAYGAIN_ALBUM : (id3->track_gain != 0 ? REPLAYGAIN_TRACK : -1);
}
/* Update DSP's replaygain from global settings */
void replaygain_update(void)
{
struct replaygain_settings settings = global_settings.replaygain_settings;
settings.type = replaygain_setting_mode(settings.type);
dsp_replaygain_set_settings(&settings);
}
#endif /* CONFIG_CODEC == SWCODEC */
#endif /* !defined(__PCTOOL__) */
/* Read (up to) a line of text from fd into buffer and return number of bytes
* read (which may be larger than the number of bytes stored in buffer). If
* an error occurs, -1 is returned (and buffer contains whatever could be
* read). A line is terminated by a LF char. Neither LF nor CR chars are
* stored in buffer.
*/
int read_line(int fd, char* buffer, int buffer_size)
{
int count = 0;
int num_read = 0;
errno = 0;
while (count < buffer_size)
{
unsigned char c;
if (1 != read(fd, &c, 1))
break;
num_read++;
if ( c == '\n' )
break;
if ( c == '\r' )
continue;
buffer[count++] = c;
}
buffer[MIN(count, buffer_size - 1)] = 0;
return errno ? -1 : num_read;
}
char* skip_whitespace(char* const str)
{
char *s = str;
while (isspace(*s))
s++;
return s;
}
/* Format time into buf.
*
* buf - buffer to format to.
* buf_size - size of buffer.
* t - time to format, in milliseconds.
*/
void format_time(char* buf, int buf_size, long t)
{
int const time = abs(t / 1000);
int const hours = time / 3600;
int const minutes = time / 60 - hours * 60;
int const seconds = time % 60;
const char * const sign = &"-"[t < 0 ? 0 : 1];
if ( hours == 0 )
{
snprintf(buf, buf_size, "%s%d:%02d", sign, minutes, seconds);
}
else
{
snprintf(buf, buf_size, "%s%d:%02d:%02d", sign, hours, minutes,
seconds);
}
}
/**
* Splits str at each occurence of split_char and puts the substrings into vector,
* but at most vector_lenght items. Empty substrings are ignored.
*
* Modifies str by replacing each split_char following a substring with nul
*
* Returns the number of substrings found, i.e. the number of valid strings
* in vector
*/
int split_string(char *str, const char split_char, char *vector[], const int vector_length)
{
int i;
char *p = str;
/* skip leading splitters */
while(*p == split_char) p++;
/* *p in the condition takes care of trailing splitters */
for(i = 0; p && *p && i < vector_length; i++)
{
vector[i] = p;
if ((p = strchr(p, split_char)))
{
*p++ = '\0';
while(*p == split_char) p++; /* skip successive splitters */
}
}
return i;
}
/** Open a UTF-8 file and set file descriptor to first byte after BOM.
* If no BOM is present this behaves like open().
* If the file is opened for writing and O_TRUNC is set, write a BOM to
* the opened file and leave the file pointer set after the BOM.
*/
int open_utf8(const char* pathname, int flags)
{
int fd;
unsigned char bom[BOM_UTF_8_SIZE];
fd = open(pathname, flags, 0666);
if(fd < 0)
return fd;
if(flags & (O_TRUNC | O_WRONLY))
{
write(fd, BOM_UTF_8, BOM_UTF_8_SIZE);
}
else
{
read(fd, bom, BOM_UTF_8_SIZE);
/* check for BOM */
if(memcmp(bom, BOM_UTF_8, BOM_UTF_8_SIZE))
lseek(fd, 0, SEEK_SET);
}
return fd;
}
#ifdef HAVE_LCD_COLOR
/*
* Helper function to convert a string of 6 hex digits to a native colour
*/
static int hex2dec(int c)
{
return (((c) >= '0' && ((c) <= '9')) ? (c) - '0' :
(toupper(c)) - 'A' + 10);
}
int hex_to_rgb(const char* hex, int* color)
{
int red, green, blue;
int i = 0;
while ((i < 6) && (isxdigit(hex[i])))
i++;
if (i < 6)
return -1;
red = (hex2dec(hex[0]) << 4) | hex2dec(hex[1]);
green = (hex2dec(hex[2]) << 4) | hex2dec(hex[3]);
blue = (hex2dec(hex[4]) << 4) | hex2dec(hex[5]);
*color = LCD_RGBPACK(red,green,blue);
return 0;
}
#endif /* HAVE_LCD_COLOR */
#ifdef HAVE_LCD_BITMAP
/* '0'-'3' are ASCII 0x30 to 0x33 */
#define is0123(x) (((x) & 0xfc) == 0x30)
#if !defined(__PCTOOL__) || defined(CHECKWPS)
bool parse_color(enum screen_type screen, char *text, int *value)
{
(void)text; (void)value; /* silence warnings on mono bitmap */
(void)screen;
#ifdef HAVE_LCD_COLOR
if (screens[screen].depth > 2)
{
if (hex_to_rgb(text, value) < 0)
return false;
else
return true;
}
#endif
#if LCD_DEPTH == 2 || (defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH == 2)
if (screens[screen].depth == 2)
{
if (text[1] != '\0' || !is0123(*text))
return false;
*value = *text - '0';
return true;
}
#endif
return false;
}
#endif /* !defined(__PCTOOL__) || defined(CHECKWPS) */
/* only used in USB HID and set_time screen */
#if defined(USB_ENABLE_HID) || (CONFIG_RTC != 0)
int clamp_value_wrap(int value, int max, int min)
{
if (value > max)
return min;
if (value < min)
return max;
return value;
}
#endif
#endif
#define MAX_ACTIVITY_DEPTH 12
static enum current_activity
current_activity[MAX_ACTIVITY_DEPTH] = {ACTIVITY_UNKNOWN};
static int current_activity_top = 0;
void push_current_activity(enum current_activity screen)
{
current_activity[current_activity_top++] = screen;
#if defined(HAVE_LCD_BITMAP) && !defined(__PCTOOL__)
FOR_NB_SCREENS(i)
skinlist_set_cfg(i, NULL);
#endif
}
void pop_current_activity(void)
{
current_activity_top--;
#if defined(HAVE_LCD_BITMAP) && !defined(__PCTOOL__)
FOR_NB_SCREENS(i)
skinlist_set_cfg(i, NULL);
#endif
}
enum current_activity get_current_activity(void)
{
return current_activity[current_activity_top?current_activity_top-1:0];
}
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