130 lines
3.2 KiB
C++
130 lines
3.2 KiB
C++
// Low power NeoPixel earrings example. Makes a nice blinky display
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// with just a few LEDs on at any time...uses MUCH less juice than
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// rainbow display!
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#include <Adafruit_NeoPixel.h>
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#define PIN 0
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Adafruit_NeoPixel pixels = Adafruit_NeoPixel(32, PIN);
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uint8_t mode = 1, // Current animation effect
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offset = 0; // Position of spinny eyes
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uint32_t color = 0xff0000; // Start red
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uint32_t prevTime;
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uint8_t m;
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const float pi = 3.14;
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const uint32_t breathe[] = {7, 7, 15, 23, 30, 38, 45, 52, 58, 64, 70, 76, 80, 85, 89, 92, 95, 97, 98, 99, 100, 100, 100, 100, 100, 100, 99, 98, 97, 95, 92, 89, 85, 80, 76, 70, 64, 58, 52, 45, 38, 30, 23, 15, 7 };
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const uint32_t fire[] = { 0xff2426, 0xfe3223, 0xfe4121, 0xfd4f1f, 0xfd5e1d, 0xfc6d1b, 0xfc7b18, 0xfb8a16, 0xfb9814, 0xfaa712, 0xfab610, 0xffc20d, 0xffd30b, 0xffe309, 0xfff407, 0xf7ff05 };
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const uint32_t lightning[] = { 0xffffff, 0x2436ff, 0x2e43fe, 0x3950fe, 0x4354fe, 0x4e6bfe,0xffffff, 0x5879fe, 0x6386fe, 0x6d93fe, 0x78a1fe, 0x82aefe, 0x8dbcfe, 0x97c9fe, 0xa2d6fe, 0xace4fe, 0xb7f1fe, 0xc2fffe, 0xffffff};
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void setup() {
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pixels.begin();
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pixels.setBrightness(60); // 1/3 brightness
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prevTime = millis();
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}
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void loop() {
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uint8_t i;
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uint32_t t;
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uint8_t B;
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switch(mode) {
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case 0: // Random sparks - just one LED on at a time!
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i = 0;
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pixels.setPixelColor(i, color);
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pixels.show();
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delay(10);
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// pixels.setPixelColor(i, 0);
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break;
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case 1: // Spinny wheels (8 LEDs on at a time)
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// B = breathe[m];
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color = 0xff2426;
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pixels.setPixelColor(i, color);
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// pixels.setBrightness(B);
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pixels.show();
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m++;
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if (m > 44) {
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m = 0;
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//color = 0xff00ff;
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}
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delay(60);
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break;
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case 2:
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i = 0;
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B = random(30) + 30;
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color = fire[random(15)];
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pixels.setPixelColor(i, color);
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pixels.setBrightness(B);
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pixels.show();
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delay(40);
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// pixels.setPixelColor(i, 0);
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break;
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case 3:
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// i = random(32);
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i = 0;
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color = lightning[random(18)];
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pixels.setPixelColor(i, color);
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pixels.show();
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delay(40);
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pixels.setPixelColor(i, 0);
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break;
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/* case 4: // Spinny wheels (8 LEDs on at a time)
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for(i=0; i<7; i++) {
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uint32_t c = 0;
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if(((offset + i) & 7) < 2) c = fire[i+1]; // 4 pixels on...
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pixels.setPixelColor( i, c); // First eye
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// pixels.setPixelColor(31-i, c); // Second eye (flipped)
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}
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pixels.show();
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offset++;
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delay(50);*/
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break;
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case 5: // Spinny wheels (8 LEDs on at a time)
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if (m > 17) m = 0;
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uint32_t c = lightning[m];
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for (i=0;i<7; i=i+2) {
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pixels.setPixelColor( i, lightning[m-1]); // First eye
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}
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for (i=1;i<7; i=i+2) {
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pixels.setPixelColor( i, fire[m-1]); // First eye
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}
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pixels.show();
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m++;
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delay(50);
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break;
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}
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t = millis();
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/*
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*
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if((t - prevTime) > 8000) { // Every 8 seconds...
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mode++; // Next mode
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m = 0;
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if(mode > 3) { // End of modes?
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mode = 0; // Start modes over
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color >>= 8; // Next color R->G->B
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if(!color) color = 0xffae00; // Reset to red
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}
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for(i=0; i<32; i++) pixels.setPixelColor(i, 0);
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prevTime = t;
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}
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*/
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}
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