40 lines
1 KiB
Arduino
40 lines
1 KiB
Arduino
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// Marc Miller, Oct 2017
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#include "FastLED.h"
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#define NUM_LEDS 32
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//CRGB leds[NUM_LEDS]; // Not using this. Using CRGBArray instead.
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CRGBArray<NUM_LEDS> leds;
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CRGBSet partA(leds(0,NUM_LEDS/2-1)); // First half of strip.
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CRGBSet partB(leds(NUM_LEDS/2,NUM_LEDS-1)); // Second half of strip.
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//---------------------------------------------------------------
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void setup() {
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delay(500);
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FastLED.addLeds<LPD8806, 11, 13, GRB>(leds, NUM_LEDS);
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FastLED.setBrightness(255);
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}
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//---------------------------------------------------------------
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void loop()
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{
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//Fill first half of strip with moving rainbow
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fill_rainbow( partA, NUM_LEDS/2, millis()/20);
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/*Three different ways to copy the data.
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* The second two mirror the data.
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* Uncomment one at a time to test out. */
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//partB = partA; //creates dupicate copy in second half of strip
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leds(NUM_LEDS-1,NUM_LEDS/2) = partA; //creates mirrored copy in second half of strip
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//partB = leds(NUM_LEDS/2-1,0); //creates mirrored copy in second half of strip
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FastLED.show();
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delay(2);
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}
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