Added PatternWave demo sketch

New Sketch

examples/PatternPlasma/PatternPlasma.ino

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+/*
+ * 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.
+ */
+ 
+#include <ESP32-RGB64x32MatrixPanel-I2S-DMA.h>
+RGB64x32MatrixPanel_I2S_DMA dma_display;
+
+#include <FastLED.h>
+
+int time = 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("*****************************************************");
+
+  dma_display.begin();
+ 
+  // 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);
+                v += sin16(x * wibble * 3 + time);
+                v += cos16(y * (128 - wibble)  + time);
+                v += sin16(y * x * cos8(-time) / 8);
+
+				currentColor = ColorFromPalette(currentPalette, (v >> 8) + 127); //, brightness, currentBlendType);
+				dma_display.drawPixelRGB888(x, y, currentColor.r, currentColor.g, currentColor.b);
+				
+            }
+        }
+
+        time += 1;
+        cycles++;
+
+        if (cycles >= 2048) {
+            time = 0;
+            cycles = 0;
+        }
+        
+} // end loop

examples/PatternPlasma/README.md

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+# Wave Pattern
+
+Demo of the colours, and the little flicker.
+
+![It's better in real life](PatternWave.jpg)