ESP32-HUB75-MatrixPanel-DMA/examples/PatternPlasma/PatternPlasma.ino

/*
 * Portions of this code are adapted from Aurora: https://github.com/pixelmatix/aurora
 * Copyright (c) 2014 Jason Coon
 *
 * Portions of this code are adapted from LedEffects Plasma by Robert Atkins: https://bitbucket.org/ratkins/ledeffects/src/26ed3c51912af6fac5f1304629c7b4ab7ac8ca4b/Plasma.cpp?at=default
 * Copyright (c) 2013 Robert Atkins
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 * the Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
 
//#define USE_CUSTOM_PINS // uncomment to use custom pins, then provide below

#define A_PIN  26
#define B_PIN  4
#define C_PIN  27
#define D_PIN  2
#define E_PIN  21 

#define R1_PIN   5
#define R2_PIN  19
#define G1_PIN  17
#define G2_PIN  16
#define B1_PIN  18
#define B2_PIN  25

#define CLK_PIN  14
#define LAT_PIN  15
#define OE_PIN  13
 
 
#include <ESP32-HUB75-MatrixPanel-I2S-DMA.h>
MatrixPanel_I2S_DMA dma_display;

#include <FastLED.h>

int time_counter = 0;
int cycles = 0;


CRGBPalette16 currentPalette;
CRGB currentColor;


CRGB ColorFromCurrentPalette(uint8_t index = 0, uint8_t brightness = 255, TBlendType blendType = LINEARBLEND) {
  return ColorFromPalette(currentPalette, index, brightness, blendType);
}

void setup() {
  
  Serial.begin(115200);
  
  Serial.println("*****************************************************");
  Serial.println(" HELLO !");
  Serial.println("*****************************************************");

#ifdef USE_CUSTOM_PINS
  dma_display.begin(R1_PIN, G1_PIN, B1_PIN, R2_PIN, G2_PIN, B2_PIN, A_PIN, B_PIN, C_PIN, D_PIN, E_PIN, LAT_PIN, OE_PIN, CLK_PIN );  // setup the LED matrix
#else
  dma_display.begin();
#endif
 
  // fill the screen with 'black'
  dma_display.fillScreen(dma_display.color444(0, 0, 0));

  // Set current FastLED palette
  currentPalette = RainbowColors_p;

}

void loop() {
  
   for (int x = 0; x <  dma_display.width(); x++) {
            for (int y = 0; y <  dma_display.height(); y++) {
                int16_t v = 0;
                uint8_t wibble = sin8(time_counter);
                v += sin16(x * wibble * 3 + time_counter);
                v += cos16(y * (128 - wibble)  + time_counter);
                v += sin16(y * x * cos8(-time_counter) / 8);

				currentColor = ColorFromPalette(currentPalette, (v >> 8) + 127); //, brightness, currentBlendType);
				dma_display.drawPixelRGB888(x, y, currentColor.r, currentColor.g, currentColor.b);
				
            }
        }

        time_counter += 1;
        cycles++;

        if (cycles >= 2048) {
            time_counter = 0;
            cycles = 0;
        }
        
} // end loop