53 lines
1.4 KiB
C++
53 lines
1.4 KiB
C++
#include <FastLED.h>
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// How many leds in your strip?
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#define NUM_LEDS 64
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// For led chips like Neopixels, which have a data line, ground, and power, you just
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// need to define DATA_PIN. For led chipsets that are SPI based (four wires - data, clock,
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// ground, and power), like the LPD8806, define both DATA_PIN and CLOCK_PIN
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#define DATA_PIN 7
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#define CLOCK_PIN 13
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// Define the array of leds
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CRGB leds[NUM_LEDS];
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void setup() {
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Serial.begin(57600);
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Serial.println("resetting");
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LEDS.addLeds<WS2812,DATA_PIN,RGB>(leds,NUM_LEDS);
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LEDS.setBrightness(84);
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}
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void fadeall() { for(int i = 0; i < NUM_LEDS; i++) { leds[i].nscale8(250); } }
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void loop() {
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static uint8_t hue = 0;
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Serial.print("x");
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// First slide the led in one direction
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for(int i = 0; i < NUM_LEDS; i++) {
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// Set the i'th led to red
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leds[i] = CHSV(hue++, 255, 255);
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// Show the leds
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FastLED.show();
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// now that we've shown the leds, reset the i'th led to black
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// leds[i] = CRGB::Black;
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fadeall();
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// Wait a little bit before we loop around and do it again
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delay(10);
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}
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Serial.print("x");
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// Now go in the other direction.
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for(int i = (NUM_LEDS)-1; i >= 0; i--) {
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// Set the i'th led to red
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leds[i] = CHSV(hue++, 255, 255);
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// Show the leds
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FastLED.show();
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// now that we've shown the leds, reset the i'th led to black
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// leds[i] = CRGB::Black;
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fadeall();
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// Wait a little bit before we loop around and do it again
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delay(10);
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}
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}
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