135 lines
4.1 KiB
C++
135 lines
4.1 KiB
C++
#include <Adafruit_NeoPixel.h>
|
|
#ifdef __AVR__
|
|
#include <avr/power.h>
|
|
#endif
|
|
|
|
#define PIN 6
|
|
|
|
// Parameter 1 = number of pixels in strip
|
|
// Parameter 2 = Arduino pin number (most are valid)
|
|
// Parameter 3 = pixel type flags, add together as needed:
|
|
// NEO_KHZ800 800 KHz bitstream (most NeoPixel products w/WS2812 LEDs)
|
|
// NEO_KHZ400 400 KHz (classic 'v1' (not v2) FLORA pixels, WS2811 drivers)
|
|
// NEO_GRB Pixels are wired for GRB bitstream (most NeoPixel products)
|
|
// NEO_RGB Pixels are wired for RGB bitstream (v1 FLORA pixels, not v2)
|
|
// NEO_RGBW Pixels are wired for RGBW bitstream (NeoPixel RGBW products)
|
|
Adafruit_NeoPixel strip = Adafruit_NeoPixel(60, PIN, NEO_GRB + NEO_KHZ800);
|
|
|
|
// IMPORTANT: To reduce NeoPixel burnout risk, add 1000 uF capacitor across
|
|
// pixel power leads, add 300 - 500 Ohm resistor on first pixel's data input
|
|
// and minimize distance between Arduino and first pixel. Avoid connecting
|
|
// on a live circuit...if you must, connect GND first.
|
|
|
|
void setup() {
|
|
// This is for Trinket 5V 16MHz, you can remove these three lines if you are not using a Trinket
|
|
#if defined (__AVR_ATtiny85__)
|
|
if (F_CPU == 16000000) clock_prescale_set(clock_div_1);
|
|
#endif
|
|
// End of trinket special code
|
|
|
|
strip.begin();
|
|
strip.setBrightness(50);
|
|
strip.show(); // Initialize all pixels to 'off'
|
|
}
|
|
|
|
void loop() {
|
|
// Some example procedures showing how to display to the pixels:
|
|
colorWipe(strip.Color(255, 0, 0), 50); // Red
|
|
colorWipe(strip.Color(0, 255, 0), 50); // Green
|
|
colorWipe(strip.Color(0, 0, 255), 50); // Blue
|
|
//colorWipe(strip.Color(0, 0, 0, 255), 50); // White RGBW
|
|
// Send a theater pixel chase in...
|
|
theaterChase(strip.Color(127, 127, 127), 50); // White
|
|
theaterChase(strip.Color(127, 0, 0), 50); // Red
|
|
theaterChase(strip.Color(0, 0, 127), 50); // Blue
|
|
|
|
rainbow(20);
|
|
rainbowCycle(20);
|
|
theaterChaseRainbow(50);
|
|
}
|
|
|
|
// Fill the dots one after the other with a color
|
|
void colorWipe(uint32_t c, uint8_t wait) {
|
|
for(uint16_t i=0; i<strip.numPixels(); i++) {
|
|
strip.setPixelColor(i, c);
|
|
strip.show();
|
|
delay(wait);
|
|
}
|
|
}
|
|
|
|
void rainbow(uint8_t wait) {
|
|
uint16_t i, j;
|
|
|
|
for(j=0; j<256; j++) {
|
|
for(i=0; i<strip.numPixels(); i++) {
|
|
strip.setPixelColor(i, Wheel((i+j) & 255));
|
|
}
|
|
strip.show();
|
|
delay(wait);
|
|
}
|
|
}
|
|
|
|
// Slightly different, this makes the rainbow equally distributed throughout
|
|
void rainbowCycle(uint8_t wait) {
|
|
uint16_t i, j;
|
|
|
|
for(j=0; j<256*5; j++) { // 5 cycles of all colors on wheel
|
|
for(i=0; i< strip.numPixels(); i++) {
|
|
strip.setPixelColor(i, Wheel(((i * 256 / strip.numPixels()) + j) & 255));
|
|
}
|
|
strip.show();
|
|
delay(wait);
|
|
}
|
|
}
|
|
|
|
//Theatre-style crawling lights.
|
|
void theaterChase(uint32_t c, uint8_t wait) {
|
|
for (int j=0; j<10; j++) { //do 10 cycles of chasing
|
|
for (int q=0; q < 3; q++) {
|
|
for (uint16_t i=0; i < strip.numPixels(); i=i+3) {
|
|
strip.setPixelColor(i+q, c); //turn every third pixel on
|
|
}
|
|
strip.show();
|
|
|
|
delay(wait);
|
|
|
|
for (uint16_t i=0; i < strip.numPixels(); i=i+3) {
|
|
strip.setPixelColor(i+q, 0); //turn every third pixel off
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//Theatre-style crawling lights with rainbow effect
|
|
void theaterChaseRainbow(uint8_t wait) {
|
|
for (int j=0; j < 256; j++) { // cycle all 256 colors in the wheel
|
|
for (int q=0; q < 3; q++) {
|
|
for (uint16_t i=0; i < strip.numPixels(); i=i+3) {
|
|
strip.setPixelColor(i+q, Wheel( (i+j) % 255)); //turn every third pixel on
|
|
}
|
|
strip.show();
|
|
|
|
delay(wait);
|
|
|
|
for (uint16_t i=0; i < strip.numPixels(); i=i+3) {
|
|
strip.setPixelColor(i+q, 0); //turn every third pixel off
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Input a value 0 to 255 to get a color value.
|
|
// The colours are a transition r - g - b - back to r.
|
|
uint32_t Wheel(byte WheelPos) {
|
|
WheelPos = 255 - WheelPos;
|
|
if(WheelPos < 85) {
|
|
return strip.Color(255 - WheelPos * 3, 0, WheelPos * 3);
|
|
}
|
|
if(WheelPos < 170) {
|
|
WheelPos -= 85;
|
|
return strip.Color(0, WheelPos * 3, 255 - WheelPos * 3);
|
|
}
|
|
WheelPos -= 170;
|
|
return strip.Color(WheelPos * 3, 255 - WheelPos * 3, 0);
|
|
}
|