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| /\* Main.ino file generated by New Project wizard
\*
\* Created: 周三 6月 8 2022
\* Processor: Arduino Uno
\* Compiler: Arduino AVR
\*/
// Peripheral Configuration Code (do not edit)
//---CONFIG\_BEGIN---
#pragma GCC push\_options
#pragma GCC optimize ("Os")
#pragma GCC pop\_options
// Peripheral Constructors
void peripheral\_setup () {
}
void peripheral\_loop() {
}
//---CONFIG\_END---
// 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>
#ifdef \_\_AVR\_\_
#include <avr/power.h> // Required for 16 MHz Adafruit Trinket
#endif
// Which pin on the Arduino is connected to the NeoPixels?
// 输出控制引脚
#define LED\_PIN 6
// WS2812彩灯灯珠数量设置。
#define LED\_COUNT 80
// WS2812灯珠亮度设置, 0 (min) to 255 (max)仿真时尽量将其设置大一些，才亮的明显
#define BRIGHTNESS 240 // Set BRIGHTNESS to about 1/5 (max = 255)
// 灯条显示模式，这里可以自由组合，不同的组合方式，显示效果不一样
//例如组合：NEO\_GRB + NEO\_KHZ800；NEO\_RGB + NEO\_KHZ400；NEO\_RGBW + NEO\_KHZ400等等
Adafruit_NeoPixel strip(LED_COUNT, LED_PIN, NEO_GRB + NEO_KHZ800);
// Argument 1 = Number of pixels in NeoPixel strip
// Argument 2 = Arduino pin number (most are valid)
// Argument 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)
void setup() {
// These lines are specifically to support the Adafruit Trinket 5V 16 MHz.
// Any other board, you can remove this part (but no harm leaving it):
#if defined(\_\_AVR\_ATtiny85\_\_) && (F\_CPU == 16000000)
clock\_prescale\_set(clock_div_1);
#endif
// END of Trinket-specific code.
strip.begin(); // INITIALIZE NeoPixel strip object (REQUIRED)
strip.show(); // Turn OFF all pixels ASAP
strip.setBrightness(BRIGHTNESS);
}
void loop() {
// Fill along the length of the strip in various colors...
colorWipe(strip.Color(255, 0, 0) , 20); // Red
colorWipe(strip.Color( 0, 255, 0) , 20); // Green
colorWipe(strip.Color( 0, 0, 255) , 20); // Blue
colorWipe(strip.Color( 0, 0, 0, 255), 20); // True white (not RGB white)
whiteOverRainbow(75, 5);
pulseWhite(5);
rainbowFade2White(3, 3, 1);
}
// 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(0, 0, 0, 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(0, 0, 0, strip.gamma8(j)));
strip.show();
delay(wait);
}
for(int j=255; j>=0; j--) { // Ramp down from 255 to 0
strip.fill(strip.Color(0, 0, 0, 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(0, 0, 0, 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(0, 0, 0, strip.gamma8(j)));
strip.show();
}
}
delay(500); // Pause 1/2 second
}
|
