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Add Freqpalette effect

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This sound-reactive effect uses the average value from user-selected FFT
buckets to select a single color from a palette.
This commit is contained in:
Matthew Daley 2023-04-03 18:28:18 +12:00
parent d17a41f7f1
commit c9aafa6543
2 changed files with 39 additions and 1 deletions
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37
wled00/FX.cpp
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@ -7110,6 +7110,42 @@ uint16_t mode_waterfall(void) { // Waterfall. By: Andrew Tulin
static const char _data_FX_MODE_WATERFALL[] PROGMEM = "Waterfall@!,Adjust color,Select bin,Volume (min);!,!;!;1f;c2=0,m12=2,si=0"; // Circles, Beatsin
/*
* Uses the average value from user-selected FFT buckets to select a single
* color from a palette.
*/
uint16_t mode_freqpalette() {
um_data_t *um_data;
if (!usermods.getUMData(&um_data, USERMOD_ID_AUDIOREACTIVE)) {
// add support for no audio
um_data = simulateSound(SEGMENT.soundSim);
}
// Get minimum and maximum FFT bands to consider
uint8_t minBand = constrain(SEGMENT.custom1 / 16, 0, 15);
uint8_t maxBand = constrain(SEGMENT.custom2 / 16, 0, 15);
if (maxBand < minBand) {
uint8_t temp = minBand;
minBand = maxBand;
maxBand = temp;
}
// Average the bands' values, scaled by user-specified sensitivity
uint32_t value = 0;
uint8_t *fftResult = (uint8_t*)um_data->u_data[2];
for (uint8_t band = minBand; band <= maxBand; ++band) {
value += fftResult[band] * SEGMENT.intensity;
}
value /= (maxBand - minBand + 1) * (256 / 8);
value = constrain(value, 0, 255);
SEGMENT.fill(SEGMENT.color_from_palette(value, false, false, 0));
return FRAMETIME;
}
static const char _data_FX_MODE_FREQPALETTE[] PROGMEM = "Freqpalette@,Sensitivity,First FFT Band,Last FFT Band;;!;1f;ix=128,c1=0,c2=255,m12=0,si=0,pal=4";
#ifndef WLED_DISABLE_2D
/////////////////////////
// ** 2D GEQ //
@ -7550,6 +7586,7 @@ void WS2812FX::setupEffectData() {
addEffect(FX_MODE_NOISEMETER, &mode_noisemeter, _data_FX_MODE_NOISEMETER);
addEffect(FX_MODE_FREQWAVE, &mode_freqwave, _data_FX_MODE_FREQWAVE);
addEffect(FX_MODE_FREQMATRIX, &mode_freqmatrix, _data_FX_MODE_FREQMATRIX);
addEffect(FX_MODE_FREQPALETTE, &mode_freqpalette, _data_FX_MODE_FREQPALETTE);
addEffect(FX_MODE_WATERFALL, &mode_waterfall, _data_FX_MODE_WATERFALL);
addEffect(FX_MODE_FREQPIXELS, &mode_freqpixels, _data_FX_MODE_FREQPIXELS);

3
wled00/FX.h
View File

@ -316,8 +316,9 @@
#define FX_MODE_WAVESINS 184
#define FX_MODE_ROCKTAVES 185
#define FX_MODE_2DAKEMI 186
#define FX_MODE_FREQPALETTE 187
#define MODE_COUNT 187
#define MODE_COUNT 188
typedef enum mapping1D2D {
M12_Pixels = 0,