/**
* \brief Fractal Algorithm with FPU optimization.
*/
static int draw_mandel_with_fpu(void)
{
t_cpu_time timer;
while (i_wfpu<HEIGHT/2+1)
{
cpu_set_timeout( cpu_us_2_cy(DELAY_US,pcl_freq_param.cpu_f), &timer );
while(j_wfpu<WIDTH)
{
z_wfpu = 0;
zi_wfpu = 0;
inset_wfpu = 1;
while (k_wfpu<iter_wfpu)
{
/* z^2 = (a+bi)(a+bi) = a^2 + 2abi - b^2 */
newz_wfpu = (z_wfpu*z_wfpu)-(zi_wfpu*zi_wfpu) + x_wfpu;
newzi_wfpu = 2*z_wfpu*zi_wfpu + y_wfpu;
z_wfpu = newz_wfpu;
zi_wfpu = newzi_wfpu;
if(((z_wfpu*z_wfpu)+(zi_wfpu*zi_wfpu)) > 4)
{
inset_wfpu = 0;
colour_wfpu = k_wfpu;
k_wfpu = iter_wfpu;
}
k_wfpu++;
};
k_wfpu = 0;
// Draw Mandelbrot set
if (inset_wfpu)
{
et024006_DrawPixel(j_wfpu,i_wfpu+OFFSET_DISPLAY,BLACK);
et024006_DrawPixel(j_wfpu,HEIGHT-i_wfpu+OFFSET_DISPLAY,BLACK);
}
else
{
et024006_DrawPixel(j_wfpu,
i_wfpu+OFFSET_DISPLAY,
BLUE_LEV((colour_wfpu*255) / iter_wfpu )+
GREEN_LEV((colour_wfpu*127) / iter_wfpu )+
RED_LEV((colour_wfpu*127) / iter_wfpu ));
et024006_DrawPixel(j_wfpu,
HEIGHT-i_wfpu+OFFSET_DISPLAY,
BLUE_LEV((colour_wfpu*255) / iter_wfpu )+
GREEN_LEV((colour_wfpu*127) / iter_wfpu )+
RED_LEV((colour_wfpu*127) / iter_wfpu ));
}
x_wfpu += xstep_wfpu;
j_wfpu++;
};
j_wfpu = 0;
y_wfpu += ystep_wfpu;
x_wfpu = xstart_wfpu;
i_wfpu++;
if( cpu_is_timeout(&timer) )
{
return 0;
}
};
return 1;
}
static void mmi_ms_display( void )
{
uint32_t i;
for( i=0 ; i<MS_N_PROGRESS_BAR ; i++ )
{
if( ms_progress_bar_level[i] != 0 )
{
if( ms_progress_bar_type[i] == BLUE )
et024006_DrawFilledRect(80+3 + i*(17+2), 180+3, 17, 10, BLUE_LEV(ms_progress_bar_level[i]) );
else
et024006_DrawFilledRect(80+3 + i*(17+2), 180+3, 17, 10, RED_LEV(ms_progress_bar_level[i]) );
ms_progress_bar_level[i] -= 1;
}
}
}
//!
//! @brief This function displays the a bargraph indicating the state of the audio buffers and
//! the PPM deviation between the incoming USB audio sampling frequency and the output DAC sampling frequency.
//!
static void mmi_activity_display( bool init, uint32_t fifo_cnt )
{
static char tmp[20];
static int32_t ppm;
#define TIMER_MMI 1000 // Unit is in ms.
static t_cpu_time mmi_timer;
static uint32_t old_fcpu_hz = 0;
static uint32_t mmi_activity_state=0;
static uint32_t i;
if( init )
{
// Display PPM window
et024006_PrintString("PPM", (const unsigned char *)&FONT8x8, 22, 70+4, BLUE, -1);
display_box(50, 70, 40, 16, WHITE, BLACK);
et024006_PrintString("HID", (const unsigned char *)&FONT8x8, 122, 70+4, BLUE, -1);
display_box(150, 70, 40, 16, WHITE, BLACK);
et024006_PrintString("CPU", (const unsigned char *)&FONT8x8, 222, 70+4, BLUE, -1);
display_box(250, 70, 40, 16, WHITE, BLACK);
et024006_PrintString("Buffers", (const unsigned char *)&FONT8x8, 0, 50+4, BLUE, -1);
display_box(50, 50, 195, 16, WHITE, BLACK);
cpu_set_timeout( cpu_ms_2_cy(TIMER_MMI, FCPU_HZ), &mmi_timer );
goto mmi_end;
}
if( !cpu_is_timeout(&mmi_timer) )
goto mmi_end;
switch( mmi_activity_state )
{
case 0:
i = 0;
mmi_activity_state = 1;
// no break here
case 1:
if( i>=USB_STREAM_BUFFER_NUMBER )
{
mmi_activity_state = 10;
break;
}
if( i<fifo_cnt )
et024006_DrawFilledRect(50+3 + i*(10+2), 50+3, 10, 10, BLUE_LEV(15) );
else
et024006_DrawFilledRect(50+3 + i*(10+2), 50+3, 10, 10, WHITE );
i++;
break;
case 10:
ppm = usb_stream_ppm_get();
sprintf( tmp, "%4ld", ppm );
et024006_PrintString(tmp, (const unsigned char *)&FONT8x8, 50+4, 70+4, BLUE, WHITE);
mmi_activity_state = 20;
break;
case 20:
if( old_fcpu_hz==FCPU_HZ )
{
mmi_activity_state = 30;
break;
}
else
mmi_activity_state = 21;
// No break here
case 21:
old_fcpu_hz=FCPU_HZ;
sprintf( tmp, "%ld", (uint32_t)FCPU_HZ/1000000);
et024006_PrintString(tmp, (const unsigned char *)&FONT8x8, 250+4, 70+4, BLUE, WHITE);
mmi_activity_state = 30;
break;
#if (defined __GNUC__)
case 30:
sprintf( tmp, "%ld", get_heap_total_used_size() );
et024006_PrintString(tmp, (const unsigned char *)&FONT8x8, 230, START_Y_DEMO_TEXT+13*FONT_HEIGHT, BLUE, WHITE);
mmi_activity_state = 31;
break;
case 31:
sprintf( tmp, "%ld", get_heap_curr_used_size() );
et024006_PrintString(tmp, (const unsigned char *)&FONT8x8, 230, START_Y_DEMO_TEXT+14*FONT_HEIGHT, BLUE, WHITE);
// No break here
#elif (defined __ICCAVR32__)
case 30:
sprintf( tmp, "%ld", get_heap_free_size() );
et024006_PrintString(tmp, (const unsigned char *)&FONT8x8, 230, START_Y_DEMO_TEXT+14*FONT_HEIGHT, BLUE, WHITE);
// No break here
#endif
default:
// Rearm timer
cpu_set_timeout( cpu_ms_2_cy(TIMER_MMI, FCPU_HZ), &mmi_timer );
mmi_activity_state = 0;
break;
}
mmi_end:
return;
}
