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November 16, 2020 08:19
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#include <Arduino.h> | |
#include <FastLED.h> | |
#define BRIGHTNESS 200 | |
#define LED_TYPE WS2811 | |
#define COLOR_ORDER GRB | |
#define ESP32DEVKITV1 | |
#ifdef ESP32_THING | |
#define NUM_STRIPS 11 | |
#define NUM_LEDS_PER_STRIP 30 | |
#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 | |
#endif | |
#ifdef ESP32DEVKITV1 | |
#define NUM_STRIPS 13 | |
#define NUM_LEDS_PER_STRIP 64 | |
int Pins[NUM_STRIPS]={13,14,15,16,17,18,19,21,22,23,25,26,27}; | |
#endif | |
#include "I2S.h" | |
#define NUM_LEDS NUM_LEDS_PER_STRIP * NUM_STRIPS | |
CRGB leds[NUM_STRIPS * NUM_LEDS_PER_STRIP]; | |
I2S controller(0); | |
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 | |
controller.initled(leds,Pins,NUM_STRIPS,NUM_LEDS_PER_STRIP); | |
controller.setBrightness(BRIGHTNESS); //to be used instead of fastled.setbritghness | |
currentPalette = aspect_gp; | |
currentBlending = LINEARBLEND; | |
} | |
void loop() | |
{ | |
FillLEDsFromPaletteColors( beat8(15)); | |
controller.showPixels(); | |
} | |
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 }; | |
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