int main(void)
{
plasma_frequency = 1;
int button, delay, x, y;
unsigned char p1,p2,p3,p4,t1,t2,t3,t4, z,z0;
long last_tick = *rb->current_tick;
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
int cumulated_lag = 0;
#endif
#ifdef HAVE_LCD_COLOR
#if defined(HAVE_LCD_MODES) && (HAVE_LCD_MODES & LCD_MODE_PAL256)
unsigned char *ptr;
#else
fb_data *ptr;
#endif
int time=0;
#else
unsigned char *ptr;
#endif
/*Generate the neccesary pre calced stuff*/
wave_table_generate();
#ifndef HAVE_LCD_COLOR
shades_generate(); /* statically */
/* get the remainder of the plugin buffer */
gbuf = (unsigned char *) rb->plugin_get_buffer(&gbuf_size);
grey_init(gbuf, gbuf_size, GREY_ON_COP, LCD_WIDTH, LCD_HEIGHT, NULL);
/* switch on greyscale overlay */
grey_show(true);
#endif
sp1 = 4;
sp2 = 2;
sp3 = 4;
sp4 = 2;
p1=p2=p3=p4=0;
while (true)
{
#ifdef HAVE_LCD_COLOR
shades_generate(time++); /* dynamically */
#if defined(HAVE_LCD_MODES) && (HAVE_LCD_MODES & LCD_MODE_PAL256)
ptr = (unsigned char*)rb->lcd_framebuffer;
#else
ptr = rb->lcd_framebuffer;
#endif
#else
ptr = greybuffer;
#endif
t1=p1;
t2=p2;
for(y = 0; y < LCD_HEIGHT; ++y)
{
t3=p3;
t4=p4;
z0 = wave_array[t1] + wave_array[t2];
for(x = 0; x < LCD_WIDTH; ++x)
{
z = z0 + wave_array[t3] + wave_array[t4];
#if defined(HAVE_LCD_MODES) && (HAVE_LCD_MODES & LCD_MODE_PAL256)
*ptr++ = z;
#else
*ptr++ = colours[z];
#endif
t3+=1;
t4+=2;
}
t1+=2;
t2+=1;
rb->yield();
}
p1+=sp1;
p2-=sp2;
p3+=sp3;
p4-=sp4;
#ifdef HAVE_LCD_COLOR
#if defined(HAVE_LCD_MODES) && (HAVE_LCD_MODES & LCD_MODE_PAL256)
rb->lcd_blit_pal256( (unsigned char*)rb->lcd_framebuffer,
0,0,0,0,LCD_WIDTH,LCD_HEIGHT);
#else
rb->lcd_update();
#endif
#else
grey_ub_gray_bitmap(greybuffer, 0, 0, LCD_WIDTH, LCD_HEIGHT);
#endif
delay = last_tick - *rb->current_tick + HZ/33;
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
if (!boosted && delay < 0)
{
cumulated_lag -= delay; /* proportional increase */
if (cumulated_lag >= HZ)
rb->cpu_boost(boosted = true);
}
else if (boosted && delay > 1) /* account for jitter */
{
if (--cumulated_lag <= 0) /* slow decrease */
rb->cpu_boost(boosted = false);
}
#endif
button = rb->button_get_w_tmo(MAX(0, delay));
last_tick = *rb->current_tick;
switch(button)
{
#ifdef PLASMA_RC_QUIT
case PLASMA_RC_QUIT:
#endif
case(PLASMA_QUIT):
cleanup(NULL);
return PLUGIN_OK;
break;
case (PLASMA_INCREASE_FREQUENCY):
++plasma_frequency;
wave_table_generate();
break;
case (PLASMA_DECREASE_FREQUENCY):
if(plasma_frequency>1)
{
--plasma_frequency;
wave_table_generate();
}
break;
#ifdef HAVE_LCD_COLOR
case (PLASMA_REGEN_COLORS):
redfactor=rb->rand()%4;
greenfactor=rb->rand()%4;
bluefactor=rb->rand()%4;
redphase=rb->rand()%256;
greenphase=rb->rand()%256;
bluephase=rb->rand()%256;
break;
#endif
default:
if (rb->default_event_handler_ex(button, cleanup, NULL)
== SYS_USB_CONNECTED)
return PLUGIN_USB_CONNECTED;
break;
}
}
}
int main(void)
{
plasma_frequency = 1;
int action, x, y;
unsigned char p1,p2,p3,p4,t1,t2,t3,t4, z,z0;
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
long last_tick = *rb->current_tick;
int delay;
int cumulated_lag = 0;
#endif
#ifdef HAVE_LCD_COLOR
#if defined(HAVE_LCD_MODES) && (HAVE_LCD_MODES & LCD_MODE_PAL256)
unsigned char *ptr;
#else
fb_data *ptr;
#endif
int time=0;
#else
unsigned char *ptr;
#endif
/*Generate the neccesary pre calced stuff*/
wave_table_generate();
#ifndef HAVE_LCD_COLOR
shades_generate(); /* statically */
/* get the remainder of the plugin buffer */
gbuf = (unsigned char *) rb->plugin_get_buffer(&gbuf_size);
if (!grey_init(gbuf, gbuf_size, GREY_ON_COP, LCD_WIDTH, LCD_HEIGHT, NULL))
{
rb->splash(HZ, "Couldn't init greyscale display");
return PLUGIN_ERROR;
}
/* switch on greyscale overlay */
grey_show(true);
#endif
atexit(cleanup);
sp1 = 4;
sp2 = 2;
sp3 = 4;
sp4 = 2;
p1=p2=p3=p4=0;
while (true)
{
#ifdef HAVE_LCD_COLOR
shades_generate(time++); /* dynamically */
#if defined(HAVE_LCD_MODES) && (HAVE_LCD_MODES & LCD_MODE_PAL256)
ptr = (unsigned char*)rb->lcd_framebuffer;
#else
ptr = rb->lcd_framebuffer;
#endif
#else
ptr = greybuffer;
#endif
t1=p1;
t2=p2;
for(y = 0; y < LCD_HEIGHT; ++y)
{
t3=p3;
t4=p4;
z0 = wave_array[t1] + wave_array[t2];
for(x = 0; x < LCD_WIDTH; ++x)
{
z = z0 + wave_array[t3] + wave_array[t4];
#if defined(HAVE_LCD_MODES) && (HAVE_LCD_MODES & LCD_MODE_PAL256)
*ptr++ = z;
#else
*ptr++ = colours[z];
#endif
t3+=1;
t4+=2;
}
t1+=2;
t2+=1;
rb->yield();
}
p1+=sp1;
p2-=sp2;
p3+=sp3;
p4-=sp4;
#ifdef HAVE_LCD_COLOR
#if defined(HAVE_LCD_MODES) && (HAVE_LCD_MODES & LCD_MODE_PAL256)
rb->lcd_blit_pal256( (unsigned char*)rb->lcd_framebuffer,
0,0,0,0,LCD_WIDTH,LCD_HEIGHT);
#else
rb->lcd_update();
#endif
#else
grey_ub_gray_bitmap(greybuffer, 0, 0, LCD_WIDTH, LCD_HEIGHT);
#endif
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
delay = last_tick - *rb->current_tick + HZ/33;
if (!boosted && delay < 0)
{
cumulated_lag -= delay; /* proportional increase */
if (cumulated_lag >= HZ)
rb->cpu_boost(boosted = true);
}
else if (boosted && delay > 1) /* account for jitter */
{
if (--cumulated_lag <= 0) /* slow decrease */
rb->cpu_boost(boosted = false);
}
last_tick = *rb->current_tick;
#endif
action = pluginlib_getaction(0, plugin_contexts,
ARRAYLEN(plugin_contexts));
switch(action)
{
case PLA_EXIT:
case PLA_CANCEL:
return PLUGIN_OK;
break;
#ifdef HAVE_SCROLLWHEEL
case PLA_SCROLL_FWD:
case PLA_SCROLL_FWD_REPEAT:
#endif
case PLA_UP:
case PLA_UP_REPEAT:
++plasma_frequency;
wave_table_generate();
break;
#ifdef HAVE_SCROLLWHEEL
case PLA_SCROLL_BACK:
case PLA_SCROLL_BACK_REPEAT:
#endif
case PLA_DOWN:
case PLA_DOWN_REPEAT:
if(plasma_frequency>1)
{
--plasma_frequency;
wave_table_generate();
}
break;
#ifdef HAVE_LCD_COLOR
case PLA_SELECT:
redfactor=rb->rand()%4;
greenfactor=rb->rand()%4;
bluefactor=rb->rand()%4;
redphase=rb->rand()%256;
greenphase=rb->rand()%256;
bluephase=rb->rand()%256;
break;
#endif
default:
exit_on_usb(action);
break;
}
}
}