Skip to content

Instantly share code, notes, and snippets.

@costyn
Created November 14, 2020 20:21
Show Gist options
  • Save costyn/45131f84ad7fcc17d3511f1f243bc202 to your computer and use it in GitHub Desktop.
Save costyn/45131f84ad7fcc17d3511f1f243bc202 to your computer and use it in GitHub Desktop.
#include <Arduino.h>
#define FASTLED_ESP32_I2S
#include <FastLED.h>
#define BRIGHTNESS 204
#define LED_TYPE WS2811
#define COLOR_ORDER GRB
#define LED_PIN_1 13
#define LED_PIN_2 14
#define LED_PIN_3 15
#define LED_PIN_4 16
#define LED_PIN_5 17
#define LED_PIN_6 18
#define LED_PIN_7 22
#define LED_PIN_8 25
// #define LED_PIN_9 26
// #define LED_PIN_10 32
#define NUM_STRIPS 11
#define NUM_LEDS_PER_STRIP 30
#define NUM_LEDS NUM_LEDS_PER_STRIP * NUM_STRIPS
CRGB leds[NUM_STRIPS * NUM_LEDS_PER_STRIP];
extern const uint8_t gamma8[];
// Gradient palette "aspect_gp", originally from
// http://soliton.vm.bytemark.co.uk/pub/cpt-city/grass/tn/aspect.png.index.html
// converted for FastLED with gammas (2.6, 2.2, 2.5)
// Size: 12 bytes of program space.
DEFINE_GRADIENT_PALETTE( aspect_gp ) {
0, 0, 0, 0,
127, 255, 0, 0,
255, 0, 0, 0};
CRGBPalette16 currentPalette;
TBlendType currentBlending;
void FillLEDsFromPaletteColors( uint8_t colorIndex);
void setup() {
delay( 3000 ); // power-up safety delay
FastLED.addLeds<LED_TYPE, LED_PIN_1, COLOR_ORDER>(leds, 0 * NUM_LEDS_PER_STRIP, NUM_LEDS).setCorrection( TypicalLEDStrip );
FastLED.addLeds<LED_TYPE, LED_PIN_2, COLOR_ORDER>(leds, 1 * NUM_LEDS_PER_STRIP, NUM_LEDS).setCorrection( TypicalLEDStrip );
FastLED.addLeds<LED_TYPE, LED_PIN_3, COLOR_ORDER>(leds, 2 * NUM_LEDS_PER_STRIP, NUM_LEDS).setCorrection( TypicalLEDStrip );
FastLED.addLeds<LED_TYPE, LED_PIN_4, COLOR_ORDER>(leds, 3 * NUM_LEDS_PER_STRIP, NUM_LEDS).setCorrection( TypicalLEDStrip );
FastLED.addLeds<LED_TYPE, LED_PIN_5, COLOR_ORDER>(leds, 4 * NUM_LEDS_PER_STRIP, NUM_LEDS).setCorrection( TypicalLEDStrip );
FastLED.addLeds<LED_TYPE, LED_PIN_6, COLOR_ORDER>(leds, 5 * NUM_LEDS_PER_STRIP, NUM_LEDS).setCorrection( TypicalLEDStrip );
FastLED.addLeds<LED_TYPE, LED_PIN_7, COLOR_ORDER>(leds, 6 * NUM_LEDS_PER_STRIP, NUM_LEDS).setCorrection( TypicalLEDStrip );
FastLED.addLeds<LED_TYPE, LED_PIN_8, COLOR_ORDER>(leds, 7 * NUM_LEDS_PER_STRIP, NUM_LEDS).setCorrection( TypicalLEDStrip );
// FastLED.addLeds<LED_TYPE, LED_PIN_9, COLOR_ORDER>(leds, 8 * NUM_LEDS_PER_STRIP, NUM_LEDS).setCorrection( TypicalLEDStrip );
// FastLED.addLeds<LED_TYPE, LED_PIN_10, COLOR_ORDER>(leds, 9 * NUM_LEDS_PER_STRIP, NUM_LEDS).setCorrection( TypicalLEDStrip );
FastLED.setBrightness( BRIGHTNESS );
currentPalette = aspect_gp;
currentBlending = LINEARBLEND;
}
void loop()
{
FillLEDsFromPaletteColors( beat8(15));
FastLED.show();
FastLED.delay(5);
}
void FillLEDsFromPaletteColors( uint8_t colorIndex)
{
uint8_t brightness = 255;
for( int i = 0; i < NUM_LEDS; ++i) {
leds[i] = ColorFromPalette( currentPalette, colorIndex, brightness, currentBlending);
leds[i].red = pgm_read_byte(&gamma8[leds[i].red]);
colorIndex += 3;
}
}
const uint8_t PROGMEM gamma8[] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2,
2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 5, 5, 5,
5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10,
10, 10, 11, 11, 11, 12, 12, 13, 13, 13, 14, 14, 15, 15, 16, 16,
17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22, 23, 24, 24, 25,
25, 26, 27, 27, 28, 29, 29, 30, 31, 32, 32, 33, 34, 35, 35, 36,
37, 38, 39, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 50,
51, 52, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 66, 67, 68,
69, 70, 72, 73, 74, 75, 77, 78, 79, 81, 82, 83, 85, 86, 87, 89,
90, 92, 93, 95, 96, 98, 99,101,102,104,105,107,109,110,112,114,
115,117,119,120,122,124,126,127,129,131,133,135,137,138,140,142,
144,146,148,150,152,154,156,158,160,162,164,167,169,171,173,175,
177,180,182,184,186,189,191,193,196,198,200,203,205,208,210,213,
215,218,220,223,225,228,231,233,236,239,241,244,247,249,252,255 };
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment