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rockbox/apps/plugins/bounce.c

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C
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 Daniel Stenberg
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
**************************************************************************/
#include "plugin.h"
#include "time.h"
#include "fixedpoint.h"
PLUGIN_HEADER
#define SS_TITLE "Bouncer"
#define YSPEED 2
#define XSPEED 3
#define YADD -4
/* variable button definitions */
#if CONFIG_KEYPAD == RECORDER_PAD
#define BOUNCE_UP BUTTON_UP
#define BOUNCE_DOWN BUTTON_DOWN
#define BOUNCE_QUIT (BUTTON_OFF | BUTTON_REL)
#define BOUNCE_MODE (BUTTON_ON | BUTTON_REL)
#elif CONFIG_KEYPAD == ONDIO_PAD
#define BOUNCE_UP BUTTON_UP
#define BOUNCE_DOWN BUTTON_DOWN
#define BOUNCE_QUIT (BUTTON_OFF | BUTTON_REL)
#define BOUNCE_MODE (BUTTON_MENU | BUTTON_REL)
#elif (CONFIG_KEYPAD == IRIVER_H100_PAD) || \
(CONFIG_KEYPAD == IRIVER_H300_PAD)
#define BOUNCE_UP BUTTON_UP
#define BOUNCE_DOWN BUTTON_DOWN
#define BOUNCE_QUIT (BUTTON_OFF | BUTTON_REL)
#define BOUNCE_MODE (BUTTON_SELECT | BUTTON_REL)
#define BOUNCE_RC_QUIT (BUTTON_RC_STOP | BUTTON_REL)
#elif (CONFIG_KEYPAD == IPOD_4G_PAD) || \
(CONFIG_KEYPAD == IPOD_3G_PAD)
#define BOUNCE_UP BUTTON_SCROLL_BACK
#define BOUNCE_DOWN BUTTON_SCROLL_FWD
#define BOUNCE_QUIT (BUTTON_MENU | BUTTON_REL)
#define BOUNCE_MODE (BUTTON_SELECT | BUTTON_REL)
#elif (CONFIG_KEYPAD == IAUDIO_X5_PAD)
#define BOUNCE_UP BUTTON_UP
#define BOUNCE_DOWN BUTTON_DOWN
#define BOUNCE_QUIT BUTTON_POWER
#define BOUNCE_MODE BUTTON_PLAY
#elif (CONFIG_KEYPAD == GIGABEAT_PAD)
#define BOUNCE_UP BUTTON_UP
#define BOUNCE_DOWN BUTTON_DOWN
#define BOUNCE_QUIT BUTTON_A
#define BOUNCE_MODE BUTTON_POWER
#elif CONFIG_KEYPAD == SANSA_E200_PAD
#define BOUNCE_UP BUTTON_SCROLL_UP
#define BOUNCE_DOWN BUTTON_SCROLL_DOWN
#define BOUNCE_QUIT BUTTON_POWER
#define BOUNCE_MODE BUTTON_SELECT
#elif (CONFIG_KEYPAD == IRIVER_H10_PAD)
#define BOUNCE_UP BUTTON_SCROLL_UP
#define BOUNCE_DOWN BUTTON_SCROLL_DOWN
#define BOUNCE_QUIT BUTTON_POWER
#define BOUNCE_MODE BUTTON_PLAY
#endif
static struct plugin_api* rb;
#define LETTER_WIDTH 11
#define LETTER_HEIGHT 16
const unsigned char char_gen_12x16[][22] =
{
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{ 0x00,0x00,0x00,0x7c,0xff,0xff,0x7c,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x33,0x33,0x00,0x00,0x00,0x00,0x00 },
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{ 0x00,0x00,0x00,0x00,0x80,0xc0,0xe0,0x70,0x38,0x1c,0x0e,0x18,0x1c,0x0e,0x07,0x03,0x01,0x00,0x00,0x00,0x00,0x00 },
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{ 0x00,0x00,0x00,0x60,0xec,0xec,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x30,0x3f,0x3f,0x30,0x30,0x00,0x00,0x00 },
{ 0x00,0x00,0x00,0x00,0x00,0x60,0xec,0xec,0x00,0x00,0x00,0x00,0x00,0x60,0xe0,0xc0,0xc0,0xff,0x7f,0x00,0x00,0x00 },
{ 0x00,0xff,0xff,0x00,0x80,0xc0,0xe0,0x60,0x00,0x00,0x00,0x00,0x3f,0x3f,0x03,0x07,0x0f,0x1c,0x38,0x30,0x00,0x00 },
{ 0x00,0x00,0x00,0x03,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x30,0x3f,0x3f,0x30,0x30,0x00,0x00,0x00 },
{ 0xe0,0xc0,0xe0,0xe0,0xc0,0xc0,0xe0,0xe0,0xc0,0x80,0x00,0x3f,0x3f,0x00,0x00,0x3f,0x3f,0x00,0x00,0x3f,0x3f,0x00 },
{ 0x00,0xe0,0xe0,0x60,0x60,0x60,0x60,0xe0,0xc0,0x80,0x00,0x00,0x3f,0x3f,0x00,0x00,0x00,0x00,0x00,0x3f,0x3f,0x00 },
{ 0x80,0xc0,0xe0,0x60,0x60,0x60,0x60,0xe0,0xc0,0x80,0x00,0x0f,0x1f,0x38,0x30,0x30,0x30,0x30,0x38,0x1f,0x0f,0x00 },
{ 0xe0,0xe0,0x60,0x60,0x60,0x60,0x60,0xe0,0xc0,0x80,0x00,0xff,0xff,0x0c,0x18,0x18,0x18,0x18,0x1c,0x0f,0x07,0x00 },
{ 0x80,0xc0,0xe0,0x60,0x60,0x60,0x60,0x60,0xe0,0xe0,0x00,0x07,0x0f,0x1c,0x18,0x18,0x18,0x18,0x0c,0xff,0xff,0x00 },
{ 0x00,0xe0,0xe0,0xc0,0x60,0x60,0x60,0x60,0xe0,0xc0,0x00,0x00,0x3f,0x3f,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
{ 0xc0,0xe0,0x60,0x60,0x60,0x60,0x60,0x40,0x00,0x00,0x00,0x11,0x33,0x33,0x33,0x33,0x33,0x3f,0x1e,0x00,0x00,0x00 },
{ 0x60,0x60,0xfe,0xfe,0x60,0x60,0x60,0x00,0x00,0x00,0x00,0x00,0x00,0x1f,0x3f,0x30,0x30,0x30,0x30,0x00,0x00,0x00 },
{ 0xe0,0xe0,0x00,0x00,0x00,0x00,0x00,0x00,0xe0,0xe0,0x00,0x0f,0x1f,0x38,0x30,0x30,0x30,0x30,0x18,0x3f,0x3f,0x00 },
{ 0x60,0xe0,0x80,0x00,0x00,0x00,0x00,0x80,0xe0,0x60,0x00,0x00,0x01,0x07,0x1e,0x38,0x38,0x1e,0x07,0x01,0x00,0x00 },
{ 0xe0,0xe0,0x00,0x00,0xe0,0xe0,0x00,0x00,0xe0,0xe0,0x00,0x07,0x1f,0x38,0x1c,0x0f,0x0f,0x1c,0x38,0x1f,0x07,0x00 },
{ 0x60,0xe0,0xc0,0x80,0x00,0x80,0xc0,0xe0,0x60,0x00,0x00,0x30,0x38,0x1d,0x0f,0x07,0x0f,0x1d,0x38,0x30,0x00,0x00 },
{ 0x00,0x60,0xe0,0x80,0x00,0x00,0x80,0xe0,0x60,0x00,0x00,0x00,0x00,0x81,0xe7,0x7e,0x1e,0x07,0x01,0x00,0x00,0x00 },
{ 0x60,0x60,0x60,0x60,0x60,0xe0,0xe0,0x60,0x20,0x00,0x00,0x30,0x38,0x3c,0x36,0x33,0x31,0x30,0x30,0x30,0x00,0x00 },
{ 0x00,0x80,0xc0,0xfc,0x7e,0x07,0x03,0x03,0x03,0x00,0x00,0x00,0x00,0x01,0x1f,0x3f,0x70,0x60,0x60,0x60,0x00,0x00 },
{ 0x00,0x00,0x00,0x00,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3f,0x3f,0x00,0x00,0x00,0x00,0x00 },
{ 0x00,0x03,0x03,0x03,0x07,0x7e,0xfc,0xc0,0x80,0x00,0x00,0x00,0x60,0x60,0x60,0x70,0x3f,0x1f,0x01,0x00,0x00,0x00 },
{ 0x10,0x18,0x0c,0x04,0x0c,0x18,0x10,0x18,0x0c,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
{ 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x3f,0x3f,0x3f,0x3f,0x3f,0x3f,0x3f,0x3f,0x3f,0x3f,0x00 }
};
static signed char speed[]={
1,2,3,3,3,2,1,0,-1,-2,-2,-2,-1,0,0,1,
};
#if LCD_WIDTH > LCD_HEIGHT /* landscape LCD */
#define TABLE_SIZE LCD_HEIGHT
#define RADIUS_MINUTE (3*LCD_HEIGHT/8)
#define RADIUS_HOUR (LCD_HEIGHT/4)
#else /* portrait (or square) LCD */
#define TABLE_SIZE LCD_WIDTH
#define RADIUS_MINUTE (3*LCD_WIDTH/8)
#define RADIUS_HOUR (LCD_WIDTH/4)
#endif /* LCD orientation */
#define RADIUS_X ((LCD_WIDTH-LETTER_WIDTH)/2)
#define RADIUS_Y ((LCD_HEIGHT-LETTER_HEIGHT)/2)
#define PHASE_STEP (0xffffffff/TABLE_SIZE)
#define PHASE_FRAC (0xffffffff%TABLE_SIZE)
#define DIV_X (0x7ffffffe/RADIUS_X+1)
#define DIV_Y (0x7ffffffe/RADIUS_Y+1)
static int xtable[TABLE_SIZE];
static int ytable[TABLE_SIZE];
static void init_tables(void)
{
int i;
int pfrac;
unsigned long phase;
long sin;
phase = pfrac = 0;
for (i = 0; i < TABLE_SIZE; i++) {
sin = fsincos(phase, NULL);
xtable[i] = RADIUS_X + sin / DIV_X;
ytable[i] = RADIUS_Y + sin / DIV_Y;
phase += PHASE_STEP;
pfrac += PHASE_FRAC;
if (pfrac >= TABLE_SIZE) {
pfrac -= TABLE_SIZE;
phase++;
}
}
}
enum {
NUM_XSANKE,
NUM_YSANKE,
NUM_XADD,
NUM_YADD,
NUM_XDIST,
NUM_YDIST,
NUM_LAST
};
struct counter {
char *what;
int num;
};
struct counter values[]={
{"xsanke", 1},
{"ysanke", 1},
{"xadd", 1},
{"yadd", 2},
{"xdist", -4},
{"ydist", -6},
};
#ifdef CONFIG_RTC
#define CLOCK_STEP (0xffffffff/60)
#define CLOCK_FRAC (0xffffffff%60)
#define DIV_MY (0x7ffffffe/RADIUS_MINUTE+1)
#define DIV_HY (0x7ffffffe/RADIUS_HOUR+1)
#if LCD_WIDTH == 112 && LCD_HEIGHT == 64 /* Archos LCD: non-square pixels */
#define DIV_MX (0x7ffffffe/(5*RADIUS_MINUTE/4)+1)
#define DIV_HX (0x7ffffffe/(5*RADIUS_HOUR/4)+1)
#else /* Square pixels */
#define DIV_MX DIV_MY
#define DIV_HX DIV_HY
#endif
static int xminute[60], yminute[60];
static int xhour[60], yhour[60];
static void init_clock(void)
{
int i;
int pfrac;
unsigned long phase;
long sin, cos;
phase = pfrac = 0;
for (i = 0; i < 60; i++) {
sin = fsincos(phase, &cos);
xminute[i] = LCD_WIDTH/2 + sin / DIV_MX;
yminute[i] = LCD_HEIGHT/2 - cos / DIV_MY;
xhour[i] = LCD_WIDTH/2 + sin / DIV_HX;
yhour[i] = LCD_HEIGHT/2 - cos / DIV_HY;
phase += CLOCK_STEP;
pfrac += CLOCK_FRAC;
if (pfrac >= 60) {
pfrac -= 60;
phase++;
}
}
}
static void addclock(void)
{
int i;
int hour;
int minute;
struct tm* current_time = rb->get_time();
hour = current_time->tm_hour;
minute = current_time->tm_min;
rb->lcd_drawline(LCD_WIDTH/2, LCD_HEIGHT/2,
xminute[minute], yminute[minute]);
hour = (hour % 12) * 5 + minute / 12;
rb->lcd_drawline(LCD_WIDTH/2, LCD_HEIGHT/2, xhour[hour], yhour[hour]);
/* draw a circle */
for(i = 1; i < 60; i += 3)
rb->lcd_drawline(xminute[i], yminute[i],
xminute[(i+1)%60], yminute[(i+1)%60]);
}
#endif /* CONFIG_RTC */
#if LCD_DEPTH > 1
static const unsigned face_colors[] =
{
#ifdef HAVE_LCD_COLOR
LCD_BLACK, LCD_RGBPACK(0, 0, 255), LCD_RGBPACK(255, 0, 0)
#else
LCD_BLACK, LCD_LIGHTGRAY, LCD_DARKGRAY
#endif
};
#endif
static int scrollit(void)
{
int b;
unsigned int y=100;
unsigned int yy;
int x = LCD_WIDTH;
int xx;
unsigned int i;
unsigned int textpos=0;
char* rock="Rockbox! Pure pleasure. Pure fun. Oooh. What fun! ;-) ";
unsigned int rocklen = rb->strlen(rock);
int letter;
rb->lcd_clear_display();
while(1)
{
b = rb->button_get_w_tmo(HZ/10);
switch(b)
{
#ifdef BOUNCE_RC_QUIT
case BOUNCE_RC_QUIT :
#endif
case BOUNCE_QUIT :
return 0;
case BOUNCE_MODE :
return 1;
default:
if ( rb->default_event_handler(b) == SYS_USB_CONNECTED )
return -1;
}
rb->lcd_clear_display();
#ifdef CONFIG_RTC
addclock();
#endif
for(i=0, yy=y, xx=x; xx < LCD_WIDTH; i++) {
letter = rock[(i+textpos) % rocklen ];
#if LCD_DEPTH > 1
rb->lcd_set_foreground(face_colors[letter % 3]);
#endif
rb->lcd_mono_bitmap(char_gen_12x16[letter-0x20],
xx, ytable[yy % TABLE_SIZE],
LETTER_WIDTH, LETTER_HEIGHT);
yy += YADD;
xx += LETTER_WIDTH;
}
#if LCD_DEPTH > 1
rb->lcd_set_foreground(LCD_BLACK);
#endif
rb->lcd_update();
x-= XSPEED;
if(x < -LETTER_WIDTH) {
x += LETTER_WIDTH;
y += YADD;
textpos++;
}
y+=YSPEED;
}
}
static int loopit(void)
{
int b;
unsigned int y=100;
unsigned int x=100;
unsigned int yy,xx;
unsigned int i;
unsigned int ysanke=0;
unsigned int xsanke=0;
char* rock="ROCKbox";
unsigned int rocklen = rb->strlen(rock);
int show=0;
int timeout=0;
char buffer[30];
rb->lcd_clear_display();
while(1)
{
b = rb->button_get_w_tmo(HZ/10);
if ( b == BOUNCE_QUIT )
return 0;
if ( b == BOUNCE_MODE )
return 1;
if ( rb->default_event_handler(b) == SYS_USB_CONNECTED )
return -1;
if ( b != BUTTON_NONE )
timeout=20;
y+= speed[ysanke&15] + values[NUM_YADD].num;
x+= speed[xsanke&15] + values[NUM_XADD].num;
rb->lcd_clear_display();
#ifdef CONFIG_RTC
addclock();
#endif
if(timeout) {
switch(b) {
case BUTTON_LEFT:
values[show].num--;
break;
case BUTTON_RIGHT:
values[show].num++;
break;
case BOUNCE_UP:
if(++show == NUM_LAST)
show=0;
break;
case BOUNCE_DOWN:
if(--show < 0)
show=NUM_LAST-1;
break;
}
rb->snprintf(buffer, 30, "%s: %d",
values[show].what, values[show].num);
rb->lcd_putsxy(0, LCD_HEIGHT - 8, (unsigned char *)buffer);
timeout--;
}
for(i=0, yy=y, xx=x;
i<rocklen;
i++, yy+=values[NUM_YDIST].num, xx+=values[NUM_XDIST].num)
rb->lcd_mono_bitmap(char_gen_12x16[rock[i]-0x20],
xtable[xx % TABLE_SIZE],
ytable[yy % TABLE_SIZE],
LETTER_WIDTH, LETTER_HEIGHT);
rb->lcd_update();
ysanke+= values[NUM_YSANKE].num;
xsanke+= values[NUM_XSANKE].num;
}
}
enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
{
int w, h;
char *off = "[Off] to stop";
(void)(parameter);
rb = api;
rb->lcd_setfont(FONT_SYSFIXED);
rb->lcd_clear_display();
/* Get horizontel centering for text */
rb->lcd_getstringsize((unsigned char *)SS_TITLE, &w, &h);
rb->lcd_putsxy((LCD_WIDTH/2) - w / 2, (LCD_HEIGHT/2) - h / 2,
(unsigned char *)SS_TITLE);
/* Get horizontel centering for text */
rb->lcd_getstringsize((unsigned char *)off, &w, &h);
rb->lcd_putsxy((LCD_WIDTH/2) - w / 2, LCD_HEIGHT - 2 * h,
(unsigned char *)off);
rb->lcd_update();
rb->sleep(HZ);
rb->lcd_set_drawmode(DRMODE_FG);
init_tables();
#ifdef CONFIG_RTC
init_clock();
#endif
do {
h = loopit();
if (h > 0)
h = scrollit();
} while(h > 0);
rb->lcd_set_drawmode(DRMODE_SOLID);
rb->lcd_setfont(FONT_UI);
return (h == 0) ? PLUGIN_OK : PLUGIN_USB_CONNECTED;
}
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