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switch to setup for Arduino Boards Manager
This commit is contained in:
Erik Tylek Kettenburg
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// This is a demonstration on how to use an input device to trigger changes on your neo pixels.
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// You should wire a momentary push button to connect from ground to a digital IO pin. When you
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// press the button it will change to a new pixel animation. Note that you need to press the
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// button once to start the first animation!
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#include <Adafruit_NeoPixel.h>
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#define BUTTON_PIN 2 // Digital IO pin connected to the button. This will be
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// driven with a pull-up resistor so the switch should
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// pull the pin to ground momentarily. On a high -> low
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// transition the button press logic will execute.
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#define PIXEL_PIN 6 // Digital IO pin connected to the NeoPixels.
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#define PIXEL_COUNT 16
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// Parameter 1 = number of pixels in strip, neopixel stick has 8
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// Parameter 2 = pin number (most are valid)
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// Parameter 3 = pixel type flags, add together as needed:
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// NEO_RGB Pixels are wired for RGB bitstream
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// NEO_GRB Pixels are wired for GRB bitstream, correct for neopixel stick
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// NEO_KHZ400 400 KHz bitstream (e.g. FLORA pixels)
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// NEO_KHZ800 800 KHz bitstream (e.g. High Density LED strip), correct for neopixel stick
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Adafruit_NeoPixel strip = Adafruit_NeoPixel(PIXEL_COUNT, PIXEL_PIN, NEO_GRB + NEO_KHZ800);
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bool oldState = HIGH;
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int showType = 0;
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void setup() {
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pinMode(BUTTON_PIN, INPUT_PULLUP);
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strip.begin();
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strip.show(); // Initialize all pixels to 'off'
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}
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void loop() {
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// Get current button state.
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bool newState = digitalRead(BUTTON_PIN);
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// Check if state changed from high to low (button press).
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if (newState == LOW && oldState == HIGH) {
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// Short delay to debounce button.
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delay(20);
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// Check if button is still low after debounce.
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newState = digitalRead(BUTTON_PIN);
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if (newState == LOW) {
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showType++;
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if (showType > 9)
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showType=0;
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startShow(showType);
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}
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}
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// Set the last button state to the old state.
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oldState = newState;
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}
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void startShow(int i) {
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switch(i){
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case 0: colorWipe(strip.Color(0, 0, 0), 50); // Black/off
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break;
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case 1: colorWipe(strip.Color(255, 0, 0), 50); // Red
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break;
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case 2: colorWipe(strip.Color(0, 255, 0), 50); // Green
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break;
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case 3: colorWipe(strip.Color(0, 0, 255), 50); // Blue
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break;
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case 4: theaterChase(strip.Color(127, 127, 127), 50); // White
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break;
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case 5: theaterChase(strip.Color(127, 0, 0), 50); // Red
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break;
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case 6: theaterChase(strip.Color( 0, 0, 127), 50); // Blue
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break;
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case 7: rainbow(20);
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break;
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case 8: rainbowCycle(20);
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break;
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case 9: theaterChaseRainbow(50);
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break;
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}
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}
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// Fill the dots one after the other with a color
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void colorWipe(uint32_t c, uint8_t wait) {
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for(uint16_t i=0; i<strip.numPixels(); i++) {
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strip.setPixelColor(i, c);
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strip.show();
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delay(wait);
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}
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}
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void rainbow(uint8_t wait) {
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uint16_t i, j;
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for(j=0; j<256; j++) {
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for(i=0; i<strip.numPixels(); i++) {
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strip.setPixelColor(i, Wheel((i+j) & 255));
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}
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strip.show();
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delay(wait);
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}
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}
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// Slightly different, this makes the rainbow equally distributed throughout
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void rainbowCycle(uint8_t wait) {
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uint16_t i, j;
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for(j=0; j<256*5; j++) { // 5 cycles of all colors on wheel
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for(i=0; i< strip.numPixels(); i++) {
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strip.setPixelColor(i, Wheel(((i * 256 / strip.numPixels()) + j) & 255));
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}
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strip.show();
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delay(wait);
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}
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}
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//Theatre-style crawling lights.
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void theaterChase(uint32_t c, uint8_t wait) {
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for (int j=0; j<10; j++) { //do 10 cycles of chasing
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for (int q=0; q < 3; q++) {
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for (int i=0; i < strip.numPixels(); i=i+3) {
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strip.setPixelColor(i+q, c); //turn every third pixel on
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}
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strip.show();
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delay(wait);
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for (int i=0; i < strip.numPixels(); i=i+3) {
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strip.setPixelColor(i+q, 0); //turn every third pixel off
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}
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}
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}
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}
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//Theatre-style crawling lights with rainbow effect
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void theaterChaseRainbow(uint8_t wait) {
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for (int j=0; j < 256; j++) { // cycle all 256 colors in the wheel
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for (int q=0; q < 3; q++) {
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for (int i=0; i < strip.numPixels(); i=i+3) {
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strip.setPixelColor(i+q, Wheel( (i+j) % 255)); //turn every third pixel on
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}
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strip.show();
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delay(wait);
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for (int i=0; i < strip.numPixels(); i=i+3) {
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strip.setPixelColor(i+q, 0); //turn every third pixel off
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}
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}
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}
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}
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// Input a value 0 to 255 to get a color value.
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// The colours are a transition r - g - b - back to r.
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uint32_t Wheel(byte WheelPos) {
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WheelPos = 255 - WheelPos;
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if(WheelPos < 85) {
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return strip.Color(255 - WheelPos * 3, 0, WheelPos * 3);
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} else if(WheelPos < 170) {
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WheelPos -= 85;
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return strip.Color(0, WheelPos * 3, 255 - WheelPos * 3);
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} else {
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WheelPos -= 170;
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return strip.Color(WheelPos * 3, 255 - WheelPos * 3, 0);
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}
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}
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@@ -0,0 +1,30 @@
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// NeoPixel Ring simple sketch (c) 2013 Shae Erisson
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// released under the GPLv3 license to match the rest of the AdaFruit NeoPixel library
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#include <Adafruit_NeoPixel.h>
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// Which pin on the Arduino is connected to the NeoPixels?
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#define PIN 1
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// How many NeoPixels are attached to the Arduino?
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#define NUMPIXELS 1
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// When we setup the NeoPixel library, we tell it how many pixels, and which pin to use to send signals.
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// Note that for older NeoPixel strips you might need to change the third parameter--see the strandtest
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// example for more information on possible values.
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Adafruit_NeoPixel pixels = Adafruit_NeoPixel(NUMPIXELS, PIN, NEO_RGB + NEO_KHZ800);
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int delayval = 500; // delay for half a second
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void setup() {
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pixels.begin(); // This initializes the NeoPixel library.
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}
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void loop() {
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// For a set of NeoPixels the first NeoPixel is 0, second is 1, all the way up to the count of pixels minus one.
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for(int i=0;i<NUMPIXELS;i++){
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// pixels.Color takes RGB values, from 0,0,0 up to 255,255,255
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pixels.setPixelColor(i, pixels.Color(0,150,0)); // Moderately bright green color.
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pixels.show(); // This sends the updated pixel color to the hardware.
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delay(delayval); // Delay for a period of time (in milliseconds).
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}
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}
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@@ -0,0 +1,30 @@
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// NeoPixel Ring simple sketch (c) 2013 Shae Erisson
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// released under the GPLv3 license to match the rest of the AdaFruit NeoPixel library
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#include <Adafruit_NeoPixel.h>
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// Which pin on the Arduino is connected to the NeoPixels?
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#define PIN 6
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// How many NeoPixels are attached to the Arduino?
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#define NUMPIXELS 16
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// When we setup the NeoPixel library, we tell it how many pixels, and which pin to use to send signals.
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// Note that for older NeoPixel strips you might need to change the third parameter--see the strandtest
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// example for more information on possible values.
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Adafruit_NeoPixel pixels = Adafruit_NeoPixel(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);
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int delayval = 500; // delay for half a second
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void setup() {
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pixels.begin(); // This initializes the NeoPixel library.
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}
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void loop() {
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// For a set of NeoPixels the first NeoPixel is 0, second is 1, all the way up to the count of pixels minus one.
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for(int i=0;i<NUMPIXELS;i++){
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// pixels.Color takes RGB values, from 0,0,0 up to 255,255,255
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pixels.setPixelColor(i, pixels.Color(0,150,0)); // Moderately bright green color.
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pixels.show(); // This sends the updated pixel color to the hardware.
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delay(delayval); // Delay for a period of time (in milliseconds).
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}
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}
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@@ -0,0 +1,123 @@
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#include <Adafruit_NeoPixel.h>
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#define PIN 6
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// Parameter 1 = number of pixels in strip
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// Parameter 2 = Arduino pin number (most are valid)
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// Parameter 3 = pixel type flags, add together as needed:
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// NEO_KHZ800 800 KHz bitstream (most NeoPixel products w/WS2812 LEDs)
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// NEO_KHZ400 400 KHz (classic 'v1' (not v2) FLORA pixels, WS2811 drivers)
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// NEO_GRB Pixels are wired for GRB bitstream (most NeoPixel products)
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// NEO_RGB Pixels are wired for RGB bitstream (v1 FLORA pixels, not v2)
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Adafruit_NeoPixel strip = Adafruit_NeoPixel(60, PIN, NEO_GRB + NEO_KHZ800);
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// IMPORTANT: To reduce NeoPixel burnout risk, add 1000 uF capacitor across
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// pixel power leads, add 300 - 500 Ohm resistor on first pixel's data input
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// and minimize distance between Arduino and first pixel. Avoid connecting
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// on a live circuit...if you must, connect GND first.
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void setup() {
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strip.begin();
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strip.show(); // Initialize all pixels to 'off'
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}
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void loop() {
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// Some example procedures showing how to display to the pixels:
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colorWipe(strip.Color(255, 0, 0), 50); // Red
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colorWipe(strip.Color(0, 255, 0), 50); // Green
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colorWipe(strip.Color(0, 0, 255), 50); // Blue
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// Send a theater pixel chase in...
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theaterChase(strip.Color(127, 127, 127), 50); // White
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theaterChase(strip.Color(127, 0, 0), 50); // Red
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theaterChase(strip.Color( 0, 0, 127), 50); // Blue
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rainbow(20);
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rainbowCycle(20);
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theaterChaseRainbow(50);
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}
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// Fill the dots one after the other with a color
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void colorWipe(uint32_t c, uint8_t wait) {
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for(uint16_t i=0; i<strip.numPixels(); i++) {
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strip.setPixelColor(i, c);
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strip.show();
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delay(wait);
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}
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}
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void rainbow(uint8_t wait) {
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uint16_t i, j;
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for(j=0; j<256; j++) {
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for(i=0; i<strip.numPixels(); i++) {
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strip.setPixelColor(i, Wheel((i+j) & 255));
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}
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strip.show();
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delay(wait);
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}
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}
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// Slightly different, this makes the rainbow equally distributed throughout
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void rainbowCycle(uint8_t wait) {
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uint16_t i, j;
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for(j=0; j<256*5; j++) { // 5 cycles of all colors on wheel
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for(i=0; i< strip.numPixels(); i++) {
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strip.setPixelColor(i, Wheel(((i * 256 / strip.numPixels()) + j) & 255));
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}
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strip.show();
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delay(wait);
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}
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}
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//Theatre-style crawling lights.
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void theaterChase(uint32_t c, uint8_t wait) {
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for (int j=0; j<10; j++) { //do 10 cycles of chasing
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for (int q=0; q < 3; q++) {
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for (int i=0; i < strip.numPixels(); i=i+3) {
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strip.setPixelColor(i+q, c); //turn every third pixel on
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}
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strip.show();
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delay(wait);
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for (int i=0; i < strip.numPixels(); i=i+3) {
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strip.setPixelColor(i+q, 0); //turn every third pixel off
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}
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}
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}
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}
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//Theatre-style crawling lights with rainbow effect
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void theaterChaseRainbow(uint8_t wait) {
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for (int j=0; j < 256; j++) { // cycle all 256 colors in the wheel
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for (int q=0; q < 3; q++) {
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for (int i=0; i < strip.numPixels(); i=i+3) {
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strip.setPixelColor(i+q, Wheel( (i+j) % 255)); //turn every third pixel on
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}
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strip.show();
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delay(wait);
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for (int i=0; i < strip.numPixels(); i=i+3) {
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strip.setPixelColor(i+q, 0); //turn every third pixel off
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}
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}
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}
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}
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// Input a value 0 to 255 to get a color value.
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// The colours are a transition r - g - b - back to r.
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uint32_t Wheel(byte WheelPos) {
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WheelPos = 255 - WheelPos;
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if(WheelPos < 85) {
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return strip.Color(255 - WheelPos * 3, 0, WheelPos * 3);
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} else if(WheelPos < 170) {
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WheelPos -= 85;
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return strip.Color(0, WheelPos * 3, 255 - WheelPos * 3);
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} else {
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WheelPos -= 170;
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return strip.Color(WheelPos * 3, 255 - WheelPos * 3, 0);
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}
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}
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