IP Configuration

lib/NeoPixelBus_by_Makuna/examples/topologies/NeoPixelMosaicTest/NeoPixelMosaicTest.ino

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+//----------------------------------------------------------------------
+// NeoPixelTopologyTest
+// This will display specific colors in specific locations on the led panels
+//
+// This is useful in confirming the layout of your panels
+//
+// It does require that you have the actual panels connected
+//----------------------------------------------------------------------
+
+#include <NeoPixelAnimator.h>
+#include <NeoPixelBus.h>
+
+// uncomment one of these that matches your panel pixel layouts
+// rotation is ignored for mosaic as it applies a rotation for you
+// that is specific to the location of the panel within the mosaic
+// to reduce connection lengths
+
+typedef ColumnMajorAlternatingLayout MyPanelLayout;
+// typedef ColumnMajorLayout MyPanelLayout;
+// typedef RowMajorAlternatingLayout MyPanelLayout;
+// typedef RowMajorLayout MyPanelLayout;
+
+// make sure to set these panel values to the sizes of yours
+const uint8_t PanelWidth = 8;  // 8 pixel x 8 pixel matrix of leds
+const uint8_t PanelHeight = 8;
+const uint8_t TileWidth = 4;  // laid out in 4 panels x 2 panels mosaic
+const uint8_t TileHeight = 2;
+
+const uint16_t PixelCount = PanelWidth * PanelHeight * TileWidth * TileHeight;
+const uint8_t PixelPin = 2;  
+
+NeoMosaic <MyPanelLayout> mosaic(
+    PanelWidth,
+    PanelHeight,
+    TileWidth,
+    TileHeight);
+
+NeoPixelBus<NeoGrbFeature, Neo800KbpsMethod> strip(PixelCount, PixelPin);
+// for esp8266 omit the pin
+//NeoPixelBus<NeoGrbFeature, Neo800KbpsMethod> strip(PixelCount);
+
+RgbColor red(128, 0, 0);
+RgbColor green(0, 128, 0);
+RgbColor blue(0, 0, 128);
+RgbColor white(128);
+// if using NeoRgbwFeature above, use this white instead to use
+// the correct white element of the LED
+//RgbwColor white(128); 
+RgbColor black(0);
+
+const uint16_t left = 0;
+const uint16_t right = PanelWidth - 1;
+const uint16_t top = 0;
+const uint16_t bottom = PanelHeight - 1;
+
+void setup()
+{
+    Serial.begin(115200);
+    while (!Serial); // wait for serial attach
+
+    Serial.println();
+    Serial.println("Initializing...");
+
+    strip.Begin();
+    strip.Show();
+
+    Serial.println();
+    Serial.println("Running...");
+}
+
+void loop()
+{
+    delay(2500);
+
+    Serial.println();
+    Serial.println("If your panel is correctly defined, you should see ...");
+    Serial.println("Upper left is white.");
+    Serial.println("Upper right is Red.");
+    Serial.println("Lower right is Green");
+    Serial.println("Lower Left is Blue");
+
+    // use the topo to map the 2d cordinate to the pixel
+    // and use that to SetPixelColor
+    strip.SetPixelColor(mosaic.Map(left, top), white);
+    strip.SetPixelColor(mosaic.Map(right, top), red);
+    strip.SetPixelColor(mosaic.Map(right, bottom), green);
+    strip.SetPixelColor(mosaic.Map(left, bottom), blue);
+    strip.Show();
+
+    delay(5000);
+
+    Serial.println();
+    Serial.println("Cleared to black ...");
+    strip.ClearTo(black);
+    strip.Show();
+}
+