213 lines
8.4 KiB
Arduino
213 lines
8.4 KiB
Arduino
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//***************************************************************
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// Random sparkle patterns with Christmas-ish colors.
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// Patterns: christmasSparkles, christmasSparklesRB, christmasSparklesBP
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//
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// This can be added to Mark Kriegsman's DemoReel100 as new patterns to run.
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// Copy lines 25 and 26 as well as the patterns below to your program.
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//
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// Marc Miller, Dec 2016
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//***************************************************************
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#include "FastLED.h"
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FASTLED_USING_NAMESPACE
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#define DATA_PIN 11
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#define CLK_PIN 13
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#define LED_TYPE LPD8806
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#define COLOR_ORDER GRB
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#define NUM_LEDS 32
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#define BRIGHTNESS 255
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#define FRAMES_PER_SECOND 120
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CRGB leds[NUM_LEDS];
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uint16_t ledsData[NUM_LEDS][4]; // array to store color data and an extra value
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uint16_t pick; // stores a temporary pixel number
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//---------------------------------------------------------------
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void setup() {
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Serial.begin(115200); // Allows serial monitor output (check baud rate)
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delay(3000); // 3 second delay for recovery
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//FastLED.addLeds<LED_TYPE,DATA_PIN,COLOR_ORDER>(leds, NUM_LEDS).setCorrection(TypicalLEDStrip);
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FastLED.addLeds<LED_TYPE,DATA_PIN,CLK_PIN,COLOR_ORDER>(leds, NUM_LEDS).setCorrection(TypicalLEDStrip);
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FastLED.setBrightness(BRIGHTNESS);
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}
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//---------------------------------------------------------------
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// List of patterns to cycle through. Each is defined as a separate function below.
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typedef void (*SimplePatternList[])();
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SimplePatternList gPatterns = { christmasSparkles, christmasSparklesRG, christmasSparkles, christmasSparklesBP };
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uint8_t gCurrentPatternNumber = 0; // Index number of which pattern is current
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uint8_t gHue = 0; // rotating "base color" used by many of the patterns
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//---------------------------------------------------------------
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void loop() {
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// Call the current pattern function once, updating the 'leds' array
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gPatterns[gCurrentPatternNumber]();
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//FastLED.show();
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FastLED.delay(1000/FRAMES_PER_SECOND); // slows the framerate to a modest value
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// do some periodic updates
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EVERY_N_SECONDS( 20 ) { nextPattern(); } // change patterns periodically
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}
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//---------------------------------------------------------------
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#define ARRAY_SIZE(A) (sizeof(A) / sizeof((A)[0]))
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void nextPattern()
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{
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// add one to the current pattern number, and wrap around at the end
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gCurrentPatternNumber = (gCurrentPatternNumber + 1) % ARRAY_SIZE( gPatterns);
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}
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//===============================================================
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// The different patterns to choose from...
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//===============================================================
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//---------------------------------------------------------------
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void christmasSparkles() {
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//"Background" color for non-sparkling pixels.
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CRGB sparkleBgColor = CHSV(50, 30, 40); // dim white
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//CRGB sparkleBgColor = CHSV(96, 200, 30); // dim green
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EVERY_N_MILLISECONDS(40){
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if( random8() < 60 ) { // How much to sparkle! Higher number is more.
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pick = random16(NUM_LEDS);
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if (ledsData[pick][3] == 0 ) {
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ledsData[pick][3] = 35; // Used to tag pixel as sparkling
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uint8_t randomPick = random8(5);
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if (randomPick == 0) {
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ledsData[pick][0] = 178; // sparkle hue (blue)
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ledsData[pick][1] = 244; // sparkle saturation
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ledsData[pick][2] = 210; // sparkle value
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}
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if (randomPick == 1) {
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ledsData[pick][0] = 10; // sparkle hue (red)
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ledsData[pick][1] = 255; // sparkle saturation
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ledsData[pick][2] = 240; // sparkle value
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}
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if (randomPick == 2) {
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ledsData[pick][0] = 0; // sparkle hue (white-ish)
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ledsData[pick][1] = 25; // sparkle saturation
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ledsData[pick][2] = 255; // sparkle value
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}
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if (randomPick == 3) {
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ledsData[pick][0] = 35; // sparkle hue (orange)
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ledsData[pick][1] = 235; // sparkle saturation
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ledsData[pick][2] = 245; // sparkle value
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}
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if (randomPick == 4) {
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ledsData[pick][0] = 190; // sparkle hue (purple)
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ledsData[pick][1] = 255; // sparkle saturation
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ledsData[pick][2] = 238; // sparkle value
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}
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leds[pick] = CHSV(ledsData[pick][0], ledsData[pick][1], ledsData[pick][2]);
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}
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}
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for (uint16_t i=0; i < NUM_LEDS; i++) {
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if (ledsData[i][3] == 0) { // if not sparkling, set to "back ground" color
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leds[i] = sparkleBgColor;
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} else {
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CHSV hsv = rgb2hsv_approximate(leds[i]); // Used to get approximate Hue
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EVERY_N_MILLISECONDS(38) { ledsData[i][0] = hsv.hue - 1; } // slightly shift hue
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ledsData[i][2] = scale8(ledsData[i][2], 245); // slowly darken
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leds[i] = CHSV(ledsData[i][0], ledsData[i][1], ledsData[i][2]);
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ledsData[i][3] = ledsData[i][3] - 1; // countdown sparkle tag
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}
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}
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}
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}//end christmasSparkles
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//---------------------------------------------------------------
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void christmasSparklesRG() { // Red and Green only
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//"Background" color for non-sparkling pixels. Can be set to black for no bg color.
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CRGB sparkleBgColor = CHSV(0, 0, 0); // black
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//CRGB sparkleBgColor = CHSV(50, 30, 30); // dim white
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EVERY_N_MILLISECONDS(40){
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if( random8() < 110 ) { // How much to sparkle! Higher number is more.
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pick = random16(NUM_LEDS);
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if (ledsData[pick][3] == 0 ) {
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ledsData[pick][3] = 65; // Used to tag pixel as sparkling
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uint8_t randomPick = random8(2);
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if (randomPick == 0) {
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ledsData[pick][0] = 16; // sparkle hue (red)
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ledsData[pick][1] = 253; // sparkle saturation
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ledsData[pick][2] = 242; // sparkle value
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}
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if (randomPick == 1) {
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ledsData[pick][0] = 96; // sparkle hue (green)
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ledsData[pick][1] = 230; // sparkle saturation
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ledsData[pick][2] = 255; // sparkle value
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}
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leds[pick] = CHSV(ledsData[pick][0], ledsData[pick][1], ledsData[pick][2]);
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}
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}
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for (uint16_t i=0; i < NUM_LEDS; i++) {
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if (ledsData[i][3] == 0) { // if not sparkling, set to "back ground" color
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leds[i] = sparkleBgColor;
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} else {
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CHSV hsv = rgb2hsv_approximate(leds[i]); // Used to get approximate Hue
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EVERY_N_MILLISECONDS(50) { ledsData[i][0] = hsv.hue - 1; } // slightly shift hue
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ledsData[i][2] = scale8(ledsData[i][2], 253); // slowly darken
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leds[i] = CHSV(ledsData[i][0], ledsData[i][1], ledsData[i][2]);
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ledsData[i][3] = ledsData[i][3] - 1; // countdown sparkle tag
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}
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}
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}
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}//end christmasSparklesRG
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//---------------------------------------------------------------
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void christmasSparklesBP() { // Blues and Purple only
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//"Background" color for non-sparkling pixels.
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CRGB sparkleBgColor = CHSV(96, 185, 30); // green
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EVERY_N_MILLISECONDS(40){
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if( random8() < 170 ) { // How much to sparkle! Higher number is more.
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pick = random16(NUM_LEDS);
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if (ledsData[pick][3] == 0 ) {
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ledsData[pick][3] = 20; // Used to tag pixel as sparkling
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uint8_t randomPick = random8(3);
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if (randomPick == 0) {
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ledsData[pick][0] = 165; // sparkle hue (blue)
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ledsData[pick][1] = 180; // sparkle saturation
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ledsData[pick][2] = 230; // sparkle value
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}
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if (randomPick == 1) {
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ledsData[pick][0] = 200; // sparkle hue (pink-light-purple)
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ledsData[pick][1] = 170; // sparkle saturation
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ledsData[pick][2] = 240; // sparkle value
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}
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if (randomPick == 2) {
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ledsData[pick][0] = 130; // sparkle hue (light blue)
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ledsData[pick][1] = 200; // sparkle saturation
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ledsData[pick][2] = 255; // sparkle value
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}
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leds[pick] = CHSV(ledsData[pick][0], ledsData[pick][1], ledsData[pick][2]);
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}
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}
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for (uint16_t i=0; i < NUM_LEDS; i++) {
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if (ledsData[i][3] == 0) { // if not sparkling, set to "back ground" color
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leds[i] = sparkleBgColor;
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} else {
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CHSV hsv = rgb2hsv_approximate(leds[i]); // Used to get approximate Hue
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EVERY_N_MILLISECONDS(20) { ledsData[i][0] = hsv.hue - 1; } // slightly shift hue
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ledsData[i][2] = scale8(ledsData[i][2], 242); // slowly darken
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leds[i] = CHSV(ledsData[i][0], ledsData[i][1], ledsData[i][2]);
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ledsData[i][3] = ledsData[i][3] - 1; // countdown sparkle tag
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}
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}
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}
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}//end christmasSparklesBP
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//---------------------------------------------------------------
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