Tasmota/lib/lib_basic/NeoPixelBus-2.6.1.4/examples/topologies/NeoPixelRingTopologyTest/NeoPixelRingTopologyTest.ino

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//----------------------------------------------------------------------
// NeoPixelRingTopologyTest
// This will display specific colors in specific locations on the led rings
//
// This is useful in confirming the layout of your rings
//
// It does require that you have the actual series of rings connected
//----------------------------------------------------------------------
#include <NeoPixelBus.h>
const uint8_t PixelCount = 119;
const uint8_t PixelPin = 2; // make sure to set this to the correct pin, ignored for Esp8266
// define the layout of your series of rings
//
// This example is using all of Adafruits rings and a Jewel in the center.
// The center is the input and all the rings are connected in series going outward
//
// Rings:
// 0 - 1 (virtual ring, the center of the jewel)
// 1 - 6 (virtual ring, the outer ring of the jewel)
// 2 - 12 count ring
// 3 - 16 count ring
// 4 - 24 count ring
// 5 - 60 count ring comprised of four arc segments
//
// The values below in Rings[] are the index of the first pixel in each ring.
// An extra value is appended for a virtual ring start that also
// represents the total count of pixels in the complete series and this extra
// value is required.
//
class MyRingsLayout
{
protected:
const uint16_t Rings[7] = {0, 1, 7, 19, 35, 59, PixelCount};
};
// use the MyRingsLayout to declare the topo object
//
NeoRingTopology<MyRingsLayout> topo;
// declare our strip
//
NeoPixelBus<NeoGrbFeature, Neo800KbpsMethod> strip(PixelCount, PixelPin);
// define some handy colors
//
RgbColor red(128, 0, 0);
RgbColor green(0, 128, 0);
RgbColor blue(0, 0, 128);
RgbColor black(0);
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("First pixel in each ring is Red.");
Serial.println("Middle pixel in each ring is Green.");
Serial.println("Last Pixel in each ring is Blue.");
// use the topo to map the 2d polar cordinate to the pixel
// and use that to SetPixelColor
for (uint16_t ring = 0; ring < topo.getCountOfRings(); ring++)
{
// first pixel in each ring is red
strip.SetPixelColor(topo.Map(ring, 0), red);
// last pixel in each ring is blue
strip.SetPixelColor(topo.Map(ring, topo.getPixelCountAtRing(ring) - 1), blue);
// middle pixel in each ring is green
strip.SetPixelColor(topo.Map(ring, topo.getPixelCountAtRing(ring) / 2), green);
}
strip.Show();
delay(5000);
Serial.println();
Serial.println("Cleared to black ...");
strip.ClearTo(black);
strip.Show();
}