225 lines
7.6 KiB
C++
225 lines
7.6 KiB
C++
// NeoPixel test program showing use of the WHITE channel for RGBW
|
|
// pixels only (won't look correct on regular RGB NeoPixel strips).
|
|
|
|
#include <Adafruit_NeoPixel.h>
|
|
// Which pin on the Arduino is connected to the NeoPixels?
|
|
// On a Trinket or Gemma we suggest changing this to 1:
|
|
#define LED_PIN 4
|
|
|
|
// How many NeoPixels are attached to the Arduino?
|
|
#define LED_COUNT 156 // 77 y 78 quedan en la punta
|
|
|
|
// NeoPixel brightness, 0 (min) to 255 (max)
|
|
#define BRIGHTNESS 50
|
|
|
|
// Declare our NeoPixel strip object:
|
|
Adafruit_NeoPixel strip(LED_COUNT, LED_PIN, NEO_GRB + NEO_KHZ800);
|
|
|
|
void setup() {
|
|
|
|
strip.begin(); // INITIALIZE NeoPixel strip object (REQUIRED)
|
|
strip.show(); // Turn OFF all pixels ASAP
|
|
strip.setBrightness(BRIGHTNESS); // Set BRIGHTNESS to about 1/5 (max = 255)
|
|
|
|
}
|
|
|
|
void loop() {
|
|
// Fill along the length of the strip in various colors...
|
|
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); // True white (not RGB white)
|
|
|
|
//Fire(55,120,15);
|
|
//Fire(100,120,15);
|
|
}
|
|
|
|
// Fill strip pixels one after another with a color. Strip is NOT cleared
|
|
// first; anything there will be covered pixel by pixel. Pass in color
|
|
// (as a single 'packed' 32-bit value, which you can get by calling
|
|
// strip.Color(red, green, blue) as shown in the loop() function above),
|
|
// and a delay time (in milliseconds) between pixels.
|
|
void colorWipe(uint32_t color, int wait) {
|
|
for(int i=0; i<strip.numPixels(); i++) { // For each pixel in strip...
|
|
strip.setPixelColor(i, color); // Set pixel's color (in RAM)
|
|
strip.show(); // Update strip to match
|
|
delay(wait); // Pause for a moment
|
|
}
|
|
}
|
|
|
|
void whiteOverRainbow(int whiteSpeed, int whiteLength) {
|
|
|
|
if(whiteLength >= strip.numPixels()) whiteLength = strip.numPixels() - 1;
|
|
|
|
int head = whiteLength - 1;
|
|
int tail = 0;
|
|
int loops = 3;
|
|
int loopNum = 0;
|
|
uint32_t lastTime = millis();
|
|
uint32_t firstPixelHue = 0;
|
|
|
|
for(;;) { // Repeat forever (or until a 'break' or 'return')
|
|
for(int i=0; i<strip.numPixels(); i++) { // For each pixel in strip...
|
|
if(((i >= tail) && (i <= head)) || // If between head & tail...
|
|
((tail > head) && ((i >= tail) || (i <= head)))) {
|
|
strip.setPixelColor(i, strip.Color(255, 255, 255, 255)); // Set white
|
|
} else { // else set rainbow
|
|
int pixelHue = firstPixelHue + (i * 65536L / strip.numPixels());
|
|
strip.setPixelColor(i, strip.gamma32(strip.ColorHSV(pixelHue)));
|
|
}
|
|
}
|
|
|
|
strip.show(); // Update strip with new contents
|
|
// There's no delay here, it just runs full-tilt until the timer and
|
|
// counter combination below runs out.
|
|
|
|
firstPixelHue += 40; // Advance just a little along the color wheel
|
|
|
|
if((millis() - lastTime) > whiteSpeed) { // Time to update head/tail?
|
|
if(++head >= strip.numPixels()) { // Advance head, wrap around
|
|
head = 0;
|
|
if(++loopNum >= loops) return;
|
|
}
|
|
if(++tail >= strip.numPixels()) { // Advance tail, wrap around
|
|
tail = 0;
|
|
}
|
|
lastTime = millis(); // Save time of last movement
|
|
}
|
|
}
|
|
}
|
|
|
|
void pulseWhite(uint8_t wait) {
|
|
for(int j=0; j<256; j++) { // Ramp up from 0 to 255
|
|
// Fill entire strip with white at gamma-corrected brightness level 'j':
|
|
strip.fill(strip.Color(strip.gamma8(j), strip.gamma8(j), strip.gamma8(j), strip.gamma8(j)));
|
|
strip.show();
|
|
delay(wait);
|
|
}
|
|
|
|
for(int j=255; j>=0; j--) { // Ramp down from 255 to 0
|
|
strip.fill(strip.Color(strip.gamma8(j), strip.gamma8(j), strip.gamma8(j), strip.gamma8(j)));
|
|
strip.show();
|
|
delay(wait);
|
|
}
|
|
}
|
|
|
|
void rainbowFade2White(int wait, int rainbowLoops, int whiteLoops) {
|
|
int fadeVal=0, fadeMax=100;
|
|
|
|
// Hue of first pixel runs 'rainbowLoops' complete loops through the color
|
|
// wheel. Color wheel has a range of 65536 but it's OK if we roll over, so
|
|
// just count from 0 to rainbowLoops*65536, using steps of 256 so we
|
|
// advance around the wheel at a decent clip.
|
|
for(uint32_t firstPixelHue = 0; firstPixelHue < rainbowLoops*65536;
|
|
firstPixelHue += 256) {
|
|
|
|
for(int i=0; i<strip.numPixels(); i++) { // For each pixel in strip...
|
|
|
|
// Offset pixel hue by an amount to make one full revolution of the
|
|
// color wheel (range of 65536) along the length of the strip
|
|
// (strip.numPixels() steps):
|
|
uint32_t pixelHue = firstPixelHue + (i * 65536L / strip.numPixels());
|
|
|
|
// strip.ColorHSV() can take 1 or 3 arguments: a hue (0 to 65535) or
|
|
// optionally add saturation and value (brightness) (each 0 to 255).
|
|
// Here we're using just the three-argument variant, though the
|
|
// second value (saturation) is a constant 255.
|
|
strip.setPixelColor(i, strip.gamma32(strip.ColorHSV(pixelHue, 255,
|
|
255 * fadeVal / fadeMax)));
|
|
}
|
|
|
|
strip.show();
|
|
delay(wait);
|
|
|
|
if(firstPixelHue < 65536) { // First loop,
|
|
if(fadeVal < fadeMax) fadeVal++; // fade in
|
|
} else if(firstPixelHue >= ((rainbowLoops-1) * 65536)) { // Last loop,
|
|
if(fadeVal > 0) fadeVal--; // fade out
|
|
} else {
|
|
fadeVal = fadeMax; // Interim loop, make sure fade is at max
|
|
}
|
|
}
|
|
|
|
for(int k=0; k<whiteLoops; k++) {
|
|
for(int j=0; j<256; j++) { // Ramp up 0 to 255
|
|
// Fill entire strip with white at gamma-corrected brightness level 'j':
|
|
strip.fill(strip.Color(strip.gamma8(j), strip.gamma8(j), strip.gamma8(j), strip.gamma8(j)));
|
|
strip.show();
|
|
}
|
|
delay(1000); // Pause 1 second
|
|
for(int j=255; j>=0; j--) { // Ramp down 255 to 0
|
|
strip.fill(strip.Color(strip.gamma8(j), strip.gamma8(j), strip.gamma8(j), strip.gamma8(j)));
|
|
strip.show();
|
|
}
|
|
}
|
|
|
|
delay(500); // Pause 1/2 second
|
|
}
|
|
|
|
|
|
|
|
void Fire(int Cooling, int Sparking, int SpeedDelay) {
|
|
|
|
static byte heat[LED_COUNT];
|
|
int cooldown;
|
|
|
|
// Step 1. Cool down every cell a little
|
|
for ( int i = 0; i < LED_COUNT ; i++) {
|
|
cooldown = random(0, ((Cooling * 10) / LED_COUNT) + 2);
|
|
|
|
if (cooldown > heat[i]) {
|
|
heat[i] = 0;
|
|
} else {
|
|
heat[i] = heat[i] - cooldown;
|
|
}
|
|
}
|
|
|
|
// Step 2. Heat from each cell drifts 'up' and diffuses a little
|
|
for ( int k = LED_COUNT - 1; k >= 2; k--) {
|
|
heat[k] = (heat[k - 1] + heat[k - 2] + heat[k - 2]) / 3;
|
|
}
|
|
|
|
// Step 3. Randomly ignite new 'sparks' near the bottom
|
|
if ( random(255) < Sparking ) {
|
|
int y = random(7);
|
|
heat[y] = heat[y] + random(160, 255);
|
|
//heat[y] = random(160,255);
|
|
}
|
|
|
|
// Step 4. Convert heat to LED colors
|
|
for ( int j = 0; j < LED_COUNT; j++) {
|
|
setPixelHeatColor(j, heat[j] );
|
|
}
|
|
|
|
strip.show();
|
|
delay(SpeedDelay);
|
|
|
|
}
|
|
|
|
|
|
void setPixelHeatColor (int Pixel, byte temperature)
|
|
{
|
|
// Scale 'heat' down from 0-255 to 0-191
|
|
byte t192 = round((temperature / 255.0) * 191);
|
|
|
|
// calculate ramp up from
|
|
byte heatramp = t192 & 0x3F; // 0..63
|
|
heatramp <<= 2; // scale up to 0..252
|
|
|
|
// figure out which third of the spectrum we're in:
|
|
if ( t192 > 0x80) { // hottest
|
|
setPixel(Pixel, 255, 255, heatramp, 0);
|
|
} else if ( t192 > 0x40 ) { // middle
|
|
setPixel(Pixel, 255, heatramp, 0, 0);
|
|
} else { // coolest
|
|
setPixel(Pixel, heatramp, 0, 0, 0);
|
|
}
|
|
}
|
|
|
|
void setPixel(int Pixel, byte red, byte green, byte blue, byte white)
|
|
{
|
|
|
|
strip.setPixelColor(Pixel, strip.Color(red, green, blue, white));
|
|
|
|
}
|