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rockbox/apps/screens.c
Christian Soffke 6f5af8e53c Add Codec to Track Info screen 
Change-Id: Ieec0e49d0b5e1ca14fa828a510edf30d548969b2
2022-04-17 11:32:13 -04:00

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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 <stdbool.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include "backlight.h"
#include "action.h"
#include "lcd.h"
#include "lang.h"
#include "icons.h"
#include "font.h"
#include "audio.h"
#include "usb.h"
#include "settings.h"
#include "status.h"
#include "playlist.h"
#include "kernel.h"
#include "power.h"
#include "system.h"
#include "powermgmt.h"
#include "talk.h"
#include "misc.h"
#include "screens.h"
#include "debug.h"
#include "led.h"
#include "sound.h"
#include "splash.h"
#include "statusbar.h"
#include "screen_access.h"
#include "list.h"
#include "yesno.h"
#include "backdrop.h"
#include "viewport.h"
#include "language.h"
#include "replaygain.h"
#include "ctype.h"
#if CONFIG_CHARGING
void charging_splash(void)
{
splash(2*HZ, str(LANG_BATTERY_CHARGE));
button_clear_queue();
}
#endif
#if (CONFIG_RTC != 0)
/* little helper function for voice output */
static void say_time(int cursorpos, const struct tm *tm)
{
int value = 0;
int unit = 0;
if (!global_settings.talk_menu)
return;
switch(cursorpos)
{
case 0:
value = tm->tm_hour;
unit = UNIT_HOUR;
break;
case 1:
value = tm->tm_min;
unit = UNIT_MIN;
break;
case 2:
value = tm->tm_sec;
unit = UNIT_SEC;
break;
case 3:
value = tm->tm_year + 1900;
break;
case 5:
value = tm->tm_mday;
break;
}
if (cursorpos == 4) /* month */
talk_id(LANG_MONTH_JANUARY + tm->tm_mon, false);
else
talk_value(value, unit, false);
}
#define INDEX_X 0
#define INDEX_Y 1
#define SEPARATOR ":"
#define IDX_HOURS 0
#define IDX_MINUTES 1
#define IDX_SECONDS 2
#define IDX_YEAR 3
#define IDX_MONTH 4
#define IDX_DAY 5
#define OFF_HOURS 0
#define OFF_MINUTES 3
#define OFF_SECONDS 6
#define OFF_YEAR 9
#define OFF_DAY 14
bool set_time_screen(const char* title, struct tm *tm, bool set_date)
{
struct viewport viewports[NB_SCREENS];
bool done = false, usb = false;
int cursorpos = 0;
unsigned char offsets_ptr[] =
{ OFF_HOURS, OFF_MINUTES, OFF_SECONDS, OFF_YEAR, 0, OFF_DAY };
if (lang_is_rtl())
{
offsets_ptr[IDX_HOURS] = OFF_SECONDS;
offsets_ptr[IDX_SECONDS] = OFF_HOURS;
offsets_ptr[IDX_YEAR] = OFF_DAY;
offsets_ptr[IDX_DAY] = OFF_YEAR;
}
int last_item = IDX_DAY; /*time & date*/
if (!set_date)
last_item = IDX_SECONDS; /*time*/
/* speak selection when screen is entered */
say_time(cursorpos, tm);
#ifdef HAVE_TOUCHSCREEN
enum touchscreen_mode old_mode = touchscreen_get_mode();
touchscreen_set_mode(TOUCHSCREEN_BUTTON);
#endif
while (!done) {
int button;
unsigned int i, realyear, min, max;
unsigned char *ptr[6];
#if (CONFIG_PLATFORM & PLATFORM_HOSTED)
/* The format strings in the snprintf can in theory need 60 characters
This will not happen in practice (because seconds are 0..60 and not
full-range integers etc.), but -D_FORTIFY_SOURCE will still warn
about it, so we use 60 characters for HOSTED to make the compiler
happy. Native builds still use 20, which is enough in practice. */
unsigned char buffer[60];
#else
unsigned char buffer[20];
#endif
int *valptr = NULL;
static unsigned char daysinmonth[] =
{31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
/* for easy acess in the drawing loop */
for (i = 0; i < 6; i++)
ptr[i] = buffer + offsets_ptr[i];
ptr[IDX_MONTH] = str(LANG_MONTH_JANUARY + tm->tm_mon); /* month name */
/* calculate the number of days in febuary */
realyear = tm->tm_year + 1900;
if((realyear % 4 == 0 && !(realyear % 100 == 0)) || realyear % 400 == 0)
daysinmonth[1] = 29;
else
daysinmonth[1] = 28;
/* fix day if month or year changed */
if (tm->tm_mday > daysinmonth[tm->tm_mon])
tm->tm_mday = daysinmonth[tm->tm_mon];
/* calculate day of week */
set_day_of_week(tm);
/* put all the numbers we want from the tm struct into
an easily printable buffer */
snprintf(buffer, sizeof(buffer),
"%02d " "%02d " "%02d " "%04d " "%02d",
tm->tm_hour, tm->tm_min, tm->tm_sec,
tm->tm_year+1900, tm->tm_mday);
/* convert spaces in the buffer to '\0' to make it possible to work
directly on the buffer */
for(i=0; i < sizeof(buffer); i++)
{
if(buffer[i] == ' ')
buffer[i] = '\0';
}
FOR_NB_SCREENS(s)
{
int pos, nb_lines;
unsigned int separator_width, weekday_width;
unsigned int j, width, prev_line_height;
/* 6 possible cursor possitions, 2 values stored for each: x, y */
unsigned int cursor[6][2];
struct viewport *vp = &viewports[s];
struct viewport *last_vp;
struct screen *screen = &screens[s];
static unsigned char rtl_idx[] =
{ IDX_SECONDS, IDX_MINUTES, IDX_HOURS, IDX_DAY, IDX_MONTH, IDX_YEAR };
viewport_set_defaults(vp, s);
last_vp = screen->set_viewport(vp);
nb_lines = viewport_get_nb_lines(vp);
/* minimum lines needed is 2 + title line */
if (nb_lines < 4)
{
vp->font = FONT_SYSFIXED;
nb_lines = viewport_get_nb_lines(vp);
}
/* recalculate the positions and offsets */
if (nb_lines >= 3)
screen->getstringsize(title, NULL, &prev_line_height);
else
prev_line_height = 0;
screen->getstringsize(SEPARATOR, &separator_width, NULL);
/* weekday */
screen->getstringsize(str(LANG_WEEKDAY_SUNDAY + tm->tm_wday),
&weekday_width, NULL);
screen->getstringsize(" ", &separator_width, NULL);
for(i=0, j=0; i < 6; i++)
{
if(i==3) /* second row */
{
j = weekday_width + separator_width;
prev_line_height *= 2;
}
screen->getstringsize(ptr[i], &width, NULL);
cursor[i][INDEX_Y] = prev_line_height;
cursor[i][INDEX_X] = j;
j += width + separator_width;
}
/* draw the screen */
screen->set_viewport(vp);
screen->clear_viewport();
/* display the screen title */
screen->puts_scroll(0, 0, title);
/* these are not selectable, so we draw them outside the loop */
/* name of the week day */
screen->putsxy(0, cursor[3][INDEX_Y],
str(LANG_WEEKDAY_SUNDAY + tm->tm_wday));
pos = lang_is_rtl() ? rtl_idx[cursorpos] : cursorpos;
/* draw the selected item with drawmode set to
DRMODE_SOLID|DRMODE_INVERSEVID, all other selectable
items with drawmode DRMODE_SOLID */
for(i=0; i<6; i++)
{
if (pos == (int)i)
vp->drawmode = (DRMODE_SOLID|DRMODE_INVERSEVID);
screen->putsxy(cursor[i][INDEX_X],
cursor[i][INDEX_Y], ptr[i]);
vp->drawmode = DRMODE_SOLID;
screen->putsxy(cursor[i/4 +1][INDEX_X] - separator_width,
cursor[0][INDEX_Y], SEPARATOR);
}
/* print help text */
if (nb_lines > 4)
screen->puts(0, 4, str(LANG_TIME_SET_BUTTON));
if (nb_lines > 5)
screen->puts(0, 5, str(LANG_TIME_REVERT));
screen->update_viewport();
screen->set_viewport(last_vp);
}
/* set the most common numbers */
min = 0;
max = 59;
/* calculate the minimum and maximum for the number under cursor */
switch(cursorpos) {
case 0: /* hour */
max = 23;
valptr = &tm->tm_hour;
break;
case 1: /* minute */
valptr = &tm->tm_min;
break;
case 2: /* second */
valptr = &tm->tm_sec;
break;
case 3: /* year */
min = 1;
max = 200;
valptr = &tm->tm_year;
break;
case 4: /* month */
max = 11;
valptr = &tm->tm_mon;
break;
case 5: /* day */
min = 1;
max = daysinmonth[tm->tm_mon];
valptr = &tm->tm_mday;
break;
}
button = get_action(CONTEXT_SETTINGS_TIME, TIMEOUT_BLOCK);
switch ( button ) {
case ACTION_STD_PREV:
cursorpos = clamp_value_wrap(--cursorpos, last_item, 0);
say_time(cursorpos, tm);
break;
case ACTION_STD_NEXT:
cursorpos = clamp_value_wrap(++cursorpos, last_item, 0);
say_time(cursorpos, tm);
break;
case ACTION_SETTINGS_INC:
case ACTION_SETTINGS_INCREPEAT:
*valptr = clamp_value_wrap(++(*valptr), max, min);
say_time(cursorpos, tm);
break;
case ACTION_SETTINGS_DEC:
case ACTION_SETTINGS_DECREPEAT:
*valptr = clamp_value_wrap(--(*valptr), max, min);
say_time(cursorpos, tm);
break;
case ACTION_STD_OK:
done = true;
break;
case ACTION_STD_CANCEL:
done = true;
tm->tm_year = -1;
break;
default:
if (default_event_handler(button) == SYS_USB_CONNECTED)
done = usb = true;
break;
}
}
FOR_NB_SCREENS(s)
screens[s].scroll_stop_viewport(&viewports[s]);
#ifdef HAVE_TOUCHSCREEN
touchscreen_set_mode(old_mode);
#endif
return usb;
}
#endif /* (CONFIG_RTC != 0) */
static const int id3_headers[]=
{
LANG_ID3_TITLE,
LANG_ID3_ARTIST,
LANG_ID3_COMPOSER,
LANG_ID3_ALBUM,
LANG_ID3_ALBUMARTIST,
LANG_ID3_GROUPING,
LANG_ID3_DISCNUM,
LANG_ID3_TRACKNUM,
LANG_ID3_COMMENT,
LANG_ID3_GENRE,
LANG_ID3_YEAR,
LANG_ID3_LENGTH,
LANG_ID3_PLAYLIST,
LANG_RECORDING_FORMAT,
LANG_ID3_BITRATE,
LANG_ID3_FREQUENCY,
LANG_ID3_TRACK_GAIN,
LANG_ID3_ALBUM_GAIN,
LANG_FILESIZE,
LANG_ID3_PATH,
};
struct id3view_info {
struct mp3entry* id3;
int count;
int playlist_display_index;
int playlist_amount;
int info_id[ARRAYLEN(id3_headers)];
};
/* Spell out a buffer, but when successive digits are encountered, say
the whole number. Useful for some ID3 tags that usually contain a
number but are in fact free-form. */
static void say_number_and_spell(char *buf, bool year_style)
{
char *ptr = buf;
while(*ptr) {
if(isdigit(*ptr)) {
/* parse the number */
int n = atoi(ptr);
/* skip over digits to rest of string */
while(isdigit(*++ptr));
/* say the number */
if(year_style)
talk_value(n, UNIT_DATEYEAR, true);
else talk_number(n, true);
}else{
/* Spell a sequence of non-digits */
char tmp, *start = ptr;
while(*++ptr && !isdigit(*ptr));
/* temporarily truncate the string here */
tmp = *ptr;
*ptr = '\0';
talk_spell(start, true);
*ptr = tmp; /* restore string */
}
}
}
/* Say a replaygain ID3 value from its text form */
static void say_gain(char *buf)
{
/* Expected form is "-5.74 dB". We'll try to parse out the number
until the dot, say it (forcing the + sign), then say dot and
spell the following numbers, and then say the decibel unit. */
char *ptr = buf;
if(*ptr == '-' || *ptr == '+')
/* skip sign */
++ptr;
/* See if we can parse out a number. */
if(isdigit(*ptr)) {
char tmp;
/* skip successive digits */
while(isdigit(*++ptr));
/* temporarily truncate the string here */
tmp = *ptr;
*ptr = '\0';
/* parse out the number we just skipped */
talk_value(atoi(buf), UNIT_SIGNED, true); /* say the number with sign */
*ptr = tmp; /* restore the string */
if(*ptr == '.') {
/* found the dot, get fractional part */
buf = ptr;
while (isdigit(*++ptr));
while (*--ptr == '0');
if (ptr > buf) {
tmp = *++ptr;
*ptr = '\0';
talk_id(LANG_POINT, true);
while (*++buf == '0')
talk_id(VOICE_ZERO, true);
talk_number(atoi(buf), true);
*ptr = tmp;
}
ptr = buf;
while (isdigit(*++ptr));
}
buf = ptr;
if(strlen(buf) >2 && !strcmp(buf+strlen(buf)-2, "dB")) {
/* String does end with "dB" */
/* point to that "dB" */
ptr = buf+strlen(buf)-2;
/* backup any spaces */
while (ptr >buf && ptr[-1] == ' ')
--ptr;
if (ptr > buf)
talk_spell(buf, true);
else talk_id(VOICE_DB, true); /* say the dB unit */
}else /* doesn't end with dB, just spell everything after the
number of dot. */
talk_spell(buf, true);
}else /* we didn't find a number, just spell everything */
talk_spell(buf, true);
}
static const char * id3_get_or_speak_info(int selected_item, void* data,
char *buffer, size_t buffer_len,
bool say_it)
{
struct id3view_info *info = (struct id3view_info*)data;
struct mp3entry* id3 =info->id3;
int info_no=selected_item/2;
if(!(selected_item%2))
{/* header */
if(say_it)
talk_id(id3_headers[info->info_id[info_no]], false);
snprintf(buffer, buffer_len,
"[%s]", str(id3_headers[info->info_id[info_no]]));
return buffer;
}
else
{/* data */
char * val=NULL;
switch(id3_headers[info->info_id[info_no]])
{
case LANG_ID3_TITLE:
val=id3->title;
if(say_it && val)
talk_spell(val, true);
break;
case LANG_ID3_ARTIST:
val=id3->artist;
if(say_it && val)
talk_spell(val, true);
break;
case LANG_ID3_ALBUM:
val=id3->album;
if(say_it && val)
talk_spell(val, true);
break;
case LANG_ID3_ALBUMARTIST:
val=id3->albumartist;
if(say_it && val)
talk_spell(val, true);
break;
case LANG_ID3_GROUPING:
val=id3->grouping;
if(say_it && val)
talk_spell(val, true);
break;
case LANG_ID3_DISCNUM:
if (id3->disc_string)
{
val = id3->disc_string;
if(say_it)
say_number_and_spell(val, true);
}
else if (id3->discnum)
{
snprintf(buffer, buffer_len, "%d", id3->discnum);
val = buffer;
if(say_it)
talk_number(id3->discnum, true);
}
break;
case LANG_ID3_TRACKNUM:
if (id3->track_string)
{
val = id3->track_string;
if(say_it)
say_number_and_spell(val, true);
}
else if (id3->tracknum)
{
snprintf(buffer, buffer_len, "%d", id3->tracknum);
val = buffer;
if(say_it)
talk_number(id3->tracknum, true);
}
break;
case LANG_ID3_COMMENT:
if (!id3->comment)
return NULL;
snprintf(buffer, buffer_len, "%s", id3->comment);
val=buffer;
if(say_it && val)
talk_spell(val, true);
break;
case LANG_ID3_GENRE:
val = id3->genre_string;
if(say_it && val)
talk_spell(val, true);
break;
case LANG_ID3_YEAR:
if (id3->year_string)
{
val = id3->year_string;
if(say_it && val)
say_number_and_spell(val, true);
}
else if (id3->year)
{
snprintf(buffer, buffer_len, "%d", id3->year);
val = buffer;
if(say_it)
talk_value(id3->year, UNIT_DATEYEAR, true);
}
break;
case LANG_ID3_LENGTH:
format_time(buffer, buffer_len, id3->length);
val=buffer;
if(say_it)
talk_value(id3->length /1000, UNIT_TIME, true);
break;
case LANG_ID3_PLAYLIST:
snprintf(buffer, buffer_len, "%d/%d",
info->playlist_display_index, info->playlist_amount);
val=buffer;
if(say_it)
{
talk_number(info->playlist_display_index, true);
talk_id(VOICE_OF, true);
talk_number(info->playlist_amount, true);
}
break;
case LANG_RECORDING_FORMAT:
if (id3->codectype >= AFMT_NUM_CODECS)
return NULL;
snprintf(buffer, buffer_len, "%s", audio_formats[id3->codectype].label);
val=buffer;
if(say_it)
talk_spell(val, true);
break;
case LANG_ID3_BITRATE:
snprintf(buffer, buffer_len, "%d kbps%s", id3->bitrate,
id3->vbr ? str(LANG_ID3_VBR) : (const unsigned char*) "");
val=buffer;
if(say_it)
{
talk_value(id3->bitrate, UNIT_KBIT, true);
if(id3->vbr)
talk_id(LANG_ID3_VBR, true);
}
break;
case LANG_ID3_FREQUENCY:
snprintf(buffer, buffer_len, "%ld Hz", id3->frequency);
val=buffer;
if(say_it)
talk_value(id3->frequency, UNIT_HERTZ, true);
break;
case LANG_ID3_TRACK_GAIN:
replaygain_itoa(buffer, buffer_len, id3->track_level);
val=(id3->track_level) ? buffer : NULL; /* only show level!=0 */
if(say_it && val)
say_gain(val);
break;
case LANG_ID3_ALBUM_GAIN:
replaygain_itoa(buffer, buffer_len, id3->album_level);
val=(id3->album_level) ? buffer : NULL; /* only show level!=0 */
if(say_it && val)
say_gain(val);
break;
case LANG_ID3_PATH:
val=id3->path;
if(say_it && val)
talk_fullpath(val, true);
break;
case LANG_ID3_COMPOSER:
val=id3->composer;
if(say_it && val)
talk_spell(val, true);
break;
case LANG_FILESIZE: /* not LANG_ID3_FILESIZE because the string is shared */
output_dyn_value(buffer, buffer_len, id3->filesize, byte_units, 4, true);
val=buffer;
if(say_it && val)
output_dyn_value(NULL, 0, id3->filesize, byte_units, 4, true);
break;
}
if((!val || !*val) && say_it)
talk_id(LANG_ID3_NO_INFO, true);
return val && *val ? val : NULL;
}
}
/* gui_synclist callback */
static const char* id3_get_info(int selected_item, void* data,
char *buffer, size_t buffer_len)
{
return id3_get_or_speak_info(selected_item, data, buffer,
buffer_len, false);
}
static int id3_speak_item(int selected_item, void* data)
{
char buffer[MAX_PATH];
selected_item &= ~1; /* Make sure it's even, to indicate the header */
/* say field name */
id3_get_or_speak_info(selected_item, data, buffer, MAX_PATH, true);
/* and field value */
id3_get_or_speak_info(selected_item+1, data, buffer, MAX_PATH, true);
return 0;
}
bool browse_id3(struct mp3entry *id3, int playlist_display_index, int playlist_amount)
{
struct gui_synclist id3_lists;
int key;
unsigned int i;
struct id3view_info info;
info.count = 0;
info.id3 = id3;
info.playlist_display_index = playlist_display_index;
info.playlist_amount = playlist_amount;
bool ret = false;
push_current_activity(ACTIVITY_ID3SCREEN);
for (i = 0; i < ARRAYLEN(id3_headers); i++)
{
char temp[8];
info.info_id[i] = i;
if (id3_get_info((i*2)+1, &info, temp, 8) != NULL)
info.info_id[info.count++] = i;
}
gui_synclist_init(&id3_lists, &id3_get_info, &info, true, 2, NULL);
if(global_settings.talk_menu)
gui_synclist_set_voice_callback(&id3_lists, id3_speak_item);
gui_synclist_set_nb_items(&id3_lists, info.count*2);
gui_synclist_draw(&id3_lists);
gui_synclist_speak_item(&id3_lists);
while (true) {
if(!list_do_action(CONTEXT_LIST,HZ/2,
&id3_lists, &key,LIST_WRAP_UNLESS_HELD)
&& key!=ACTION_NONE && key!=ACTION_UNKNOWN)
{
if (key == ACTION_STD_OK || key == ACTION_STD_CANCEL)
{
ret = false;
break;
}
else if (key == ACTION_STD_MENU ||
default_event_handler(key) == SYS_USB_CONNECTED)
{
ret = true;
break;
}
}
}
pop_current_activity();
return ret;
}
static const char* runtime_get_data(int selected_item, void* data,
char* buffer, size_t buffer_len)
{
(void)data;
long t;
switch (selected_item)
{
case 0: return str(LANG_RUNNING_TIME);
case 1: t = global_status.runtime; break;
case 2: return str(LANG_TOP_TIME);
case 3: t = global_status.topruntime; break;
default:
return "";
}
format_time_auto(buffer, buffer_len, t, UNIT_SEC, false);
return buffer;
}
static int runtime_speak_data(int selected_item, void* data)
{
(void) data;
talk_ids(false,
(selected_item < 2) ? LANG_RUNNING_TIME : LANG_TOP_TIME,
TALK_ID((selected_item < 2) ? global_status.runtime
: global_status.topruntime, UNIT_TIME));
return 0;
}
int view_runtime(void)
{
static const char *lines[]={ID2P(LANG_CLEAR_TIME)};
static const struct text_message message={lines, 1};
bool say_runtime = true;
struct gui_synclist lists;
int action;
gui_synclist_init(&lists, runtime_get_data, NULL, false, 2, NULL);
gui_synclist_set_title(&lists, str(LANG_RUNNING_TIME), NOICON);
if(global_settings.talk_menu)
gui_synclist_set_voice_callback(&lists, runtime_speak_data);
gui_synclist_set_icon_callback(&lists, NULL);
gui_synclist_set_nb_items(&lists, 4);
while(1)
{
global_status.runtime += ((current_tick - lasttime) / HZ);
lasttime = current_tick;
if (say_runtime)
{
gui_synclist_speak_item(&lists);
say_runtime = false;
}
gui_synclist_draw(&lists);
list_do_action(CONTEXT_STD, HZ,
&lists, &action, LIST_WRAP_UNLESS_HELD);
if(action == ACTION_STD_CANCEL)
break;
if(action == ACTION_STD_OK) {
if(gui_syncyesno_run(&message, NULL, NULL)==YESNO_YES)
{
if (!(gui_synclist_get_sel_pos(&lists)/2))
global_status.runtime = 0;
else
global_status.topruntime = 0;
say_runtime = true;
}
}
if(default_event_handler(action) == SYS_USB_CONNECTED)
return 1;
}
return 0;
}
#ifdef HAVE_TOUCHSCREEN
static int get_sample(struct touchscreen_calibration *cal, int x, int y, int i,
struct screen* screen)
{
int action;
short ts_x, ts_y;
/* Draw a cross */
screen->drawline(x - 10, y, x - 2, y);
screen->drawline(x + 2, y, x + 10, y);
screen->drawline(x, y - 10, x, y - 2);
screen->drawline(x, y + 2, x, y + 10);
screen->update();
/* Wait for a touchscreen press */
while(true)
{
action = get_action(CONTEXT_STD, TIMEOUT_BLOCK);
if(action == ACTION_TOUCHSCREEN)
{
if(action_get_touchscreen_press(&ts_x, &ts_y) == BUTTON_REL)
break;
}
else if(action == ACTION_STD_CANCEL)
return -1;
}
cal->x[i][0] = ts_x;
cal->y[i][0] = ts_y;
cal->x[i][1] = x;
cal->y[i][1] = y;
return 0;
}
int calibrate(void)
{
short points[3][2] = {
{LCD_WIDTH/10, LCD_HEIGHT/10},
{7*LCD_WIDTH/8, LCD_HEIGHT/2},
{LCD_WIDTH/2, 7*LCD_HEIGHT/8}
};
struct screen* screen = &screens[SCREEN_MAIN];
enum touchscreen_mode old_mode = touchscreen_get_mode();
struct touchscreen_calibration cal;
int i, ret = 0;
/* hide the statusbar */
viewportmanager_theme_enable(SCREEN_MAIN, false, NULL);
touchscreen_disable_mapping(); /* set raw mode */
touchscreen_set_mode(TOUCHSCREEN_POINT);
for(i=0; i<3; i++)
{
screen->clear_display();
if(get_sample(&cal, points[i][0], points[i][1], i, screen))
{
ret = -1;
break;
}
}
if(ret == 0)
touchscreen_calibrate(&cal);
else
touchscreen_reset_mapping();
memcpy(&global_settings.ts_calibration_data, &calibration_parameters,
sizeof(struct touchscreen_parameter));
touchscreen_set_mode(old_mode);
viewportmanager_theme_undo(SCREEN_MAIN, false);
settings_save();
return ret;
}
int reset_mapping(void)
{
touchscreen_reset_mapping();
memcpy(&global_settings.ts_calibration_data, &calibration_parameters,
sizeof(struct touchscreen_parameter));
settings_save();
return 0;
}
#endif
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