add torch animation

Signed-off-by: Thomas Schmid <tom@lfence.de>
This commit is contained in:
Thomas 2022-06-19 23:31:24 +02:00
parent b95863aeff
commit ab208b015c
3 changed files with 176 additions and 7 deletions

View File

@ -23,3 +23,9 @@ struct FFTTestApp: public App {
void deinit();
void loop();
};
struct FackelApp: public App {
void init();
void deinit();
void loop();
};

View File

@ -0,0 +1,146 @@
#include "app.h"
#include "pt1.h"
#include "zauberstab.h"
#include <cstdlib>
static unsigned long last_sample_time;
static unsigned long sample_counter;
static float rms_avg;
static uint8_t energy[NUM_LEDS];
static uint8_t spark_energy[NUM_LEDS];
Pt1<float> energy_pt1{1.f, 1.f};
CRGB palette[128];
static void hsl_to_rgb(uint32_t hue, uint32_t sat, uint32_t lum, uint8_t *r, uint8_t *g, uint8_t *b)
{
uint32_t v;
v = (lum < 128) ? (lum * (256 + sat)) >> 8 : (((lum + sat) << 8) - lum * sat) >> 8;
if (v <= 0)
{
*r = *g = *b = 0;
}
else
{
int32_t m;
int32_t sextant;
int32_t fract, vsf, mid1, mid2;
m = lum + lum - v;
hue *= 6;
sextant = hue >> 8;
fract = hue - (sextant << 8);
vsf = v * fract * (v - m) / v >> 8;
mid1 = m + vsf;
mid2 = v - vsf;
switch (sextant)
{
case 0:
*r = v;
*g = mid1;
*b = m;
break;
case 1:
*r = mid2;
*g = v;
*b = m;
break;
case 2:
*r = m;
*g = v;
*b = mid1;
break;
case 3:
*r = m;
*g = mid2;
*b = v;
break;
case 4:
*r = mid1;
*g = m;
*b = v;
break;
case 5:
*r = v;
*g = m;
*b = mid2;
break;
}
}
}
static void update_engery(uint8_t *energy, size_t s)
{
for (int i = s; i >= 2; i--)
{
energy[i] = (uint8_t)((float)(energy[i - 1] + energy[i - 2]) * 0.485f);
}
}
void FackelApp::init()
{
memset(&energy, 0, NUM_LEDS);
memset(&spark_energy, 0, NUM_LEDS);
// generate palette
for (int i = 0; i < 128; i++)
{
uint8_t r, g, b;
hsl_to_rgb(i / 5, 255, i * 2 > 128 ? 128 : i * 2, &r, &g, &b);
g = g == 1 ? 0 : g;
b = b == 1 ? 0 : b;
palette[i].r = r;
palette[i].g = g;
palette[i].b = b;
}
}
void FackelApp::deinit()
{
}
void FackelApp::loop()
{
if (micros() - last_sample_time >= 500)
{
last_sample_time = micros();
int32_t sample = get_sample();
float in = sample * sample;
sample_counter++;
rms_avg += (in - rms_avg) / (sample_counter + 1);
}
EVERY_N_MILLISECONDS(10)
{
float e_f = energy_pt1.update(rms_avg, 0.01f);
if (rms_avg > 1.15 * e_f)
{
energy[0] = 128;
energy[1] = 128;
}
else
{
energy[0] = 50;
energy[1] = 50;
}
rms_avg = 0.0f;
sample_counter = 0;
}
EVERY_N_MILLISECONDS(45)
{
update_engery(energy, NUM_LEDS);
for (int i = 0; i < NUM_LEDS; i++)
{
leds[i] = palette[energy[i]];
}
FastLED.show();
}
}

View File

@ -1,18 +1,28 @@
#include "app.h"
#include "driver/adc.h"
#include "zauberstab.h"
#include <vector>
#include "app.h"
struct BeatDetectApp beat_detect_app{};
struct VuMeterApp vu_meter_app {};
struct FFTTestApp fft_test_app {};
struct BeatDetectApp beat_detect_app
{
};
struct VuMeterApp vu_meter_app
{
};
struct FFTTestApp fft_test_app
{
};
struct FackelApp fackel_app
{
};
std::vector<std::reference_wrapper<App>> apps = {
std::ref<App>(beat_detect_app),
std::ref<App>(vu_meter_app),
std::ref<App>(fft_test_app),
};
std::ref<App>(fackel_app)};
unsigned int current_app = 0;
unsigned int current_app = 3;
unsigned int next_app;
void setup()
@ -26,7 +36,14 @@ void setup()
void loop()
{
if (next_app != current_app) {
/* EVERY_N_SECONDS(30)
{
next_app++;
next_app = next_app % apps.size();
} */
if (next_app != current_app)
{
apps[current_app].get().deinit();
apps[next_app].get().init();
current_app = next_app;