100 lines
3.9 KiB
Arduino
100 lines
3.9 KiB
Arduino
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/* sinelon
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*
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* By: Mark Kriegsman
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*
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* Modified by: Andrew Tuline
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*
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* Date: February 2015
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*
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* This uses the built in beat in FastLED to move a dot back and forth. In this case, it uses two beats added together for more randomness.
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*
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*/
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#include "FastLED.h" // FastLED library. Preferably the latest copy of FastLED 2.1.
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#if FASTLED_VERSION < 3001000
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#error "Requires FastLED 3.1 or later; check github for latest code."
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#endif
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// Fixed definitions cannot change on the fly.
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#define LED_DT 12 // Data pin to connect to the strip.
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#define LED_CK 11 // Clock pin for WS2801 or APA102.
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#define COLOR_ORDER BGR // It's GRB for WS2812 and BGR for APA102.
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#define LED_TYPE APA102 // Using APA102, WS2812, WS2801. Don't forget to modify LEDS.addLeds to suit.
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#define NUM_LEDS 60 // Number of LED's.
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// Global variables can be changed on the fly.
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uint8_t max_bright = 128; // Overall brightness definition. It can be changed on the fly.
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struct CRGB leds[NUM_LEDS]; // Initialize our LED array.
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CRGBPalette16 currentPalette;
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CRGBPalette16 targetPalette;
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TBlendType currentBlending; // NOBLEND or LINEARBLEND
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// Define variables used by the sequences.
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uint8_t thisbeat = 23; // Beats per minute for first part of dot.
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uint8_t thatbeat = 28; // Combined the above with this one.
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uint8_t thisfade = 32; // How quickly does it fade? Lower = slower fade rate.
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uint8_t thissat = 255; // The saturation, where 255 = brilliant colours.
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uint8_t thisbri = 255; // Brightness of a sequence.
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int myhue = 0;
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int thisdelay = 50;
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void setup() {
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Serial.begin(57600); // Initialize serial port for debugging.
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delay(1000); // Soft startup to ease the flow of electrons.
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// LEDS.addLeds<LED_TYPE, LED_DT, COLOR_ORDER>(leds, NUM_LEDS); // Use this for WS2812B
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LEDS.addLeds<LED_TYPE, LED_DT, LED_CK, COLOR_ORDER>(leds, NUM_LEDS); // Use this for WS2801 or APA102
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currentBlending = LINEARBLEND;
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FastLED.setBrightness(max_bright);
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set_max_power_in_volts_and_milliamps(5, 500); // FastLED Power management set at 5V, 500mA.
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} // setup()
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void loop () {
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EVERY_N_MILLISECONDS(100) {
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uint8_t maxChanges = 24;
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nblendPaletteTowardPalette(currentPalette, targetPalette, maxChanges); // AWESOME palette blending capability.
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}
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EVERY_N_SECONDS(5) { // Change the target palette to a random one every 5 seconds.
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static uint8_t baseC = random8(); // You can use this as a baseline colour if you want similar hues in the next line.
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targetPalette = CRGBPalette16(CHSV(random8(), 255, random8(128,255)), CHSV(random8(), 255, random8(128,255)), CHSV(random8(), 192, random8(128,255)), CHSV(random8(), 255, random8(128,255)));
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}
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EVERY_N_MILLISECONDS(thisdelay) { // FastLED based non-blocking delay to update/display the sequence.
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sinelon(); // Call our sequence.
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}
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FastLED.show();
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} // loop()
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void sinelon() { // a colored dot sweeping back and forth, with fading trails
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fadeToBlackBy( leds, NUM_LEDS, thisfade);
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int pos1 = beatsin16(thisbeat,0,NUM_LEDS);
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int pos2 = beatsin16(thatbeat,0,NUM_LEDS);
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leds[(pos1+pos2)/2] += ColorFromPalette(currentPalette, myhue++, thisbri, currentBlending);
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} // sinelon()
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