/*
【Arduino】108种传感器模块系列实验（资料+代码+图形+仿真）
实验一百三十一：24位 WS2812 5050 RGB LED 内置全彩驱动彩灯 圆形开发板
项目六：多彩流水灯变幻彩虹灯
Module UNO
VCC —— 5V
GND—— GND
DI —— D6
*/
#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?
// On a Trinket or Gemma we suggest changing this to 1:
#define LED_PIN 6
// How many NeoPixels are attached to the Arduino?
#define LED_COUNT 24
// Declare our NeoPixel strip object:
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_KHZ800800 KHz bitstream (most NeoPixel products w/WS2812 LEDs)
// NEO_KHZ400400 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)
// setup() function -- runs once at startup --------------------------------
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(50); // Set BRIGHTNESS to about 1/5 (max = 255)
}
// loop() function -- runs repeatedly as long as board is on ---------------
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
// Do a theater marquee effect in various colors...
theaterChase(strip.Color(127, 127, 127), 50); // White, half brightness
theaterChase(strip.Color(127, 0, 0), 50); // Red, half brightness
theaterChase(strip.Color(0, 0, 127), 50); // Blue, half brightness
rainbow(10); // Flowing rainbow cycle along the whole strip
theaterChaseRainbow(50); // Rainbow-enhanced theaterChase variant
}
// Some functions of our own for creating animated effects -----------------
// 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
}
}
// Theater-marquee-style chasing lights. Pass in a color (32-bit value,
// a la strip.Color(r,g,b) as mentioned above), and a delay time (in ms)
// between frames.
void theaterChase(uint32_t color, int wait) {
for (int a = 0; a < 10; a++) { // Repeat 10 times...
for (int b = 0; b < 3; b++) { //'b' counts from 0 to 2...
strip.clear(); // Set all pixels in RAM to 0 (off)
// 'c' counts up from 'b' to end of strip in steps of 3...
for (int c = b; c < strip.numPixels(); c += 3) {
strip.setPixelColor(c, color); // Set pixel 'c' to value 'color'
}
strip.show(); // Update strip with new contents
delay(wait);// Pause for a moment
}
}
}
// Rainbow cycle along whole strip. Pass delay time (in ms) between frames.
void rainbow(int wait) {
// Hue of first pixel runs 5 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 5*65536. Adding 256 to firstPixelHue each time
// means we'll make 5*65536/256 = 1280 passes through this outer loop:
for (long firstPixelHue = 0; firstPixelHue < 5 * 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):
int 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 single-argument hue variant. The result
// is passed through strip.gamma32() to provide 'truer' colors
// before assigning to each pixel:
strip.setPixelColor(i, strip.gamma32(strip.ColorHSV(pixelHue)));
}
strip.show(); // Update strip with new contents
delay(wait);// Pause for a moment
}
}
// Rainbow-enhanced theater marquee. Pass delay time (in ms) between frames.
void theaterChaseRainbow(int wait) {
int firstPixelHue = 0; // First pixel starts at red (hue 0)
for (int a = 0; a < 30; a++) { // Repeat 30 times...
for (int b = 0; b < 3; b++) { //'b' counts from 0 to 2...
strip.clear(); // Set all pixels in RAM to 0 (off)
// 'c' counts up from 'b' to end of strip in increments of 3...
for (int c = b; c < strip.numPixels(); c += 3) {
// hue of pixel 'c' is offset by an amount to make one full
// revolution of the color wheel (range 65536) along the length
// of the strip (strip.numPixels() steps):
int hue = firstPixelHue + c * 65536L / strip.numPixels();
uint32_t color = strip.gamma32(strip.ColorHSV(hue)); // hue -> RGB
strip.setPixelColor(c, color); // Set pixel 'c' to value 'color'
}
strip.show(); // Update strip with new contents
delay(wait); // Pause for a moment
firstPixelHue += 65536 / 90; // One cycle of color wheel over 90 frames
}
}
}
/*
【Arduino】108种传感器模块系列实验（资料+代码+图形+仿真）
实验一百三十一：24位 WS2812 5050 RGB LED 内置全彩驱动彩灯 圆形开发板
项目七：多彩流水灯变幻彩虹灯之三
Module UNO
VCC —— 5V
GND—— GND
DI —— D6
*/
#include <Adafruit_NeoPixel.h> //needed for the WS2812
#include <avr/pgmspace.h> //needed for PROGMEM
#define PIN 6 //Pin 1 is DATA In on the bottom Ring
#define BRIGHTNESS 24 // brightness reduced
//Lookup for the Candle light
const unsigned int candles[] PROGMEM =
{
15, 10, 48, 45, 36, 19, 59, 29, 5, 43, 41, 39, 24, 3, 61
};
Adafruit_NeoPixel strip = Adafruit_NeoPixel(24, 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() {
pinMode(PIN, OUTPUT);
strip.begin();
strip.setBrightness(BRIGHTNESS); // set brightness
strip.show(); // Initialize all pixels to 'off'
}
void loop() {
tree();
delay(1000);
colorcrazy();
theaterChaseRainbow(50);
comet();
warpdrive();
warpdrive();
rainbowCycle(1);
rainbow(5);
rainbow(5);
rainbow(5);
colorWipe(strip.Color(255, 0, 0), 50); // Red
colorWipe(strip.Color(0, 255, 0), 50); // Green
colorWipe(strip.Color(0, 0, 255), 50); // Blue
//
//
//cometr();
//Tree light:
//
//warpdrive();
//
//
//comet();
/*
// 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
// 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);
*/
}
//Sub-----------------------------------------------------------------------
//Comet
void comet() {
for (uint16_t i = strip.numPixels(); i > 0; i--) {
strip.setPixelColor(i, strip.Color(0, 0, 255));
fadethemall(10);
fadethemall(10);
}
}
void cometr() {
for (uint16_t i = strip.numPixels(); i > 0; i--) {
strip.setPixelColor(i, strip.Color(255, 0, 0));
fadethemall(10);
fadethemall(10);
}
}
//From top down white pulses
void warpdrive() {
//Top Led
strip.setPixelColor(60, strip.Color(255, 255, 255));
strip.show();
//fade a bit
for (int i = 0; i < 20; i++)
{
fadethemall(20);
}
//8 Ring
for (int i = 52; i < 60; i++)
{
strip.setPixelColor(i, strip.Color(255, 255, 255));
}
strip.show();
//fade a bit
for (int i = 0; i < 20; i++)
{
fadethemall(20);
}
//12 Ring
for (int i = 40; i < 52; i++)
{
strip.setPixelColor(i, strip.Color(255, 255, 255));
}
strip.show();
//fade a bit
for (int i = 0; i < 20; i++)
{
fadethemall(20);
}
//16 Ring
for (int i = 24; i < 40; i++)
{
strip.setPixelColor(i, strip.Color(255, 255, 255));
}
strip.show();
//fade a bit
for (int i = 0; i < 20; i++)
{
fadethemall(20);
}
//24 Ring
for (int i = 0; i < 24; i++)
{
strip.setPixelColor(i, strip.Color(255, 255, 255));
}
strip.show();
//fade a bit
for (int i = 0; i < 20; i++)
{
fadethemall(20);
}
//Extra by John Kerr
strip.setPixelColor(60, strip.Color(0, 0, 0));
strip.show();
//fade a bit
for (int i = 0; i < 20; i++)
{
fadethemall(20);
}
}
//This reduces the brightness of all leds
void fadethemall(uint8_t wait) {
for (uint16_t i = 0; i < strip.numPixels(); i++) {
uint32_t color = strip.getPixelColor(i);
int r;
int g;
int b;
r = (uint8_t)(color >> 16);
g = (uint8_t)(color >>8);
b = (uint8_t)color;
if (r > 0)
{
r = r - 1;
}
else
{
r = 0;
}
if (g > 0)
{
g = g - 1;
}
else
{
g = 0;
}
if (b > 0)
{
b = b - 1;
}
else
{
b = 0;
}
strip.setPixelColor(i, strip.Color(r, g, b));
}
strip.show();
delay(wait);
}
//This drives the WS2812 in a crazy pattern, fun!
void colorcrazy() {
colorWipe(strip.Color(255, 0, 0), 25); // Red
colorWipe(strip.Color(0, 255, 0), 25); // Green
colorWipe(strip.Color(0, 0, 255), 25); // Blue
theaterChaseRainbow(5);
}
//This lights up the tree in green, then add the white "candles"
void tree() {
colorWipe(strip.Color(0, 50, 0), 50); // Green
//light "candles"
//Show the S:
for (int i = 0; i < 16; i++)
{
strip.setPixelColor(pgm_read_word(&candles) - 1, strip.Color(255, 255, 255));
strip.show();
delay(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 (int i = 0; i < strip.numPixels(); i = i + 3) {
strip.setPixelColor(i + q, c);//turn every third pixel on
}
strip.show();
delay(wait);
for (int 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 (int 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 (int 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);
} else if (WheelPos < 170) {
WheelPos -= 85;
return strip.Color(0, WheelPos * 3, 255 - WheelPos * 3);
} else {
WheelPos -= 170;
return strip.Color(WheelPos * 3, 255 - WheelPos * 3, 0);
}
}
/*
【Arduino】108种传感器模块系列实验（资料+代码+图形+仿真）
实验一百三十一：24位 WS2812 5050 RGB LED 内置全彩驱动彩灯 圆形开发板
项目八：绿色到粉红色，也沿着环形移动
Module UNO
VCC —— 5V
GND—— GND
DI —— D6
*/
#include <PololuLedStrip.h>
// Create an ledStrip object and specify the pin it will use.
PololuLedStrip<6> ledStrip;
// Create a buffer for holding the colors (3 bytes per color).
#define LED_COUNT 60
rgb_color colors;
void setup()
{
}
void loop()
{
// Update the colors.
byte time = millis() >> 2;
for (uint16_t i = 0; i < LED_COUNT; i++)
{
byte x = time - 8*i;
colors = rgb_color(x, 255 - x, x);
}
// Write the colors to the LED strip.
ledStrip.write(colors, LED_COUNT);
delay(10);
}
/*
【Arduino】108种传感器模块系列实验（资料+代码+图形+仿真）
实验一百三十一：24位 WS2812 5050 RGB LED 内置全彩驱动彩灯 圆形开发板
项目九：一道移动的彩虹
Module UNO
VCC —— 5V
GND—— GND
DI —— D6
*/
#include <PololuLedStrip.h>
// Create an ledStrip object and specify the pin it will use.
PololuLedStrip<6> ledStrip;
// Create a buffer for holding the colors (3 bytes per color).
#define LED_COUNT 60
rgb_color colors;
void setup()
{
}
// Converts a color from HSV to RGB.
// h is hue, as a number between 0 and 360.
// s is the saturation, as a number between 0 and 255.
// v is the value, as a number between 0 and 255.
rgb_color hsvToRgb(uint16_t h, uint8_t s, uint8_t v)
{
uint8_t f = (h % 60) * 255 / 60;
uint8_t p = (255 - s) * (uint16_t)v / 255;
uint8_t q = (255 - f * (uint16_t)s / 255) * (uint16_t)v / 255;
uint8_t t = (255 - (255 - f) * (uint16_t)s / 255) * (uint16_t)v / 255;
uint8_t r = 0, g = 0, b = 0;
switch((h / 60) % 6){
case 0: r = v; g = t; b = p; break;
case 1: r = q; g = v; b = p; break;
case 2: r = p; g = v; b = t; break;
case 3: r = p; g = q; b = v; break;
case 4: r = t; g = p; b = v; break;
case 5: r = v; g = p; b = q; break;
}
return rgb_color(r, g, b);
}
void loop()
{
// Update the colors.
uint16_t time = millis() >> 2;
for(uint16_t i = 0; i < LED_COUNT; i++)
{
byte x = (time >> 2) - (i << 3);
colors = hsvToRgb((uint32_t)x * 359 / 256, 255, 255);
}
// Write the colors to the LED strip.
ledStrip.write(colors, LED_COUNT);
delay(10);
}
gk18965 发表于 2019-10-24 16:48
感谢分享。。。。
:)谢谢鼓励
大神牛逼
xiao_y 发表于 2019-12-4 14:55
大神牛逼
晚上好，谢谢鼓励
eagler8 发表于 2019-12-5 19:25
晚上好，谢谢鼓励
但是如果一个uno控制两个ws2812灯环做不同频率的流水动画，没有想到好办法实现。不知道大神有没有提示？谢谢
我的大致思路如下：按键1 按下，灯环1开始做黄色延时10ms的流水动画。按键2 按下，灯环1开始做红色延时20ms的流水动画。由于我使用的是for循环做的流水，导致如果for循环没有走完程序，将不能读取另外的控制。
请大神帮忙解惑，是我的程序需要改？还是我的这个思路构建有问题？谢谢