76 lines
2.1 KiB
Plaintext
76 lines
2.1 KiB
Plaintext
|
#include <Adafruit_NeoPixel.h>
|
||
|
|
|
||
|
|
#define PIN 6
|
||
|
|
|
||
|
|
// Parameter 1 = number of pixels in strip
|
||
|
|
// Parameter 2 = 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)
|
||
|
|
Adafruit_NeoPixel strip = Adafruit_NeoPixel(60, PIN, NEO_GRB + NEO_KHZ800);
|
||
|
|
|
||
|
|
void setup() {
|
||
|
|
strip.begin();
|
||
|
|
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
|
||
|
|
rainbow(20);
|
||
|
|
rainbowCycle(20);
|
||
|
|
}
|
||
|
|
|
||
|
|
// 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);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// 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) {
|
||
|
|
if(WheelPos < 85) {
|
||
|
|
return strip.Color(WheelPos * 3, 255 - WheelPos * 3, 0);
|
||
|
|
} else if(WheelPos < 170) {
|
||
|
|
WheelPos -= 85;
|
||
|
|
return strip.Color(255 - WheelPos * 3, 0, WheelPos * 3);
|
||
|
|
} else {
|
||
|
|
WheelPos -= 170;
|
||
|
|
return strip.Color(0, WheelPos * 3, 255 - WheelPos * 3);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|