56 lines
1.8 KiB
C++
56 lines
1.8 KiB
C++
// 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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// This sketch show how to use "new" operator with Adafruit_NeoPixel library
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// It's helpful if you don't know NeoPixel settings at compile time or
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// you just want to store this settings in EEPROM
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#include <Adafruit_NeoPixel.h>
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#ifdef __AVR__
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#include <avr/power.h>
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#endif
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// Which pin on the Arduino is connected to the NeoPixels?
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// On a Trinket or Gemma we suggest changing this to 1
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#define PIN 6
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// How many NeoPixels are attached to the Arduino?
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int numPixel = 16;
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// Color order, for more information see https://github.com/adafruit/Adafruit_NeoPixel/blob/master/Adafruit_NeoPixel.h
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uint8_t colorOrder = 0x52; //or just use NEO_GBR
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// Define new pointer for NeoPixel
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Adafruit_NeoPixel *pixels;
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int delayval = 500; // delay for half a second
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void setup() {
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// This is for Trinket 5V 16MHz, you can remove these three lines if you are not using a Trinket
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#if defined (__AVR_ATtiny85__)
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if (F_CPU == 16000000) clock_prescale_set(clock_div_1);
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#endif
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// End of trinket special code
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// Here is a good place to read numPixel & colorOrder from EEPROM or what ever.
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// create a new NeoPixel instance with new values
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pixels = new Adafruit_NeoPixel(numPixel, PIN, colorOrder);
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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<numPixel;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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