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dceejay/gist:6f0742ddce6fa02d6f40

Created March 1, 2015 18:35
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  1. dceejay created this gist Mar 1, 2015.
    86 changes: 86 additions & 0 deletions gistfile1.txt
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    Original file line number Diff line number Diff line change
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    #include <Adafruit_NeoPixel.h>

    #define PIN 4
    int led = 13;

    // Parameter 1 = number of pixels in strip
    // Parameter 2 = pin number (most are valid)
    // Parameter 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)
    Adafruit_NeoPixel strip = Adafruit_NeoPixel(8, PIN, NEO_GRB + NEO_KHZ800);


    uint16_t n;
    uint8_t r;
    uint8_t g;
    uint8_t b;
    String content = "";
    char character;
    byte count;
    int l = 0;

    void setup() {
    strip.begin();
    strip.show(); // Initialize all pixels to 'off'

    // Turn the Serial Protocol ON
    Serial.begin(57600);
    colorWipe(strip.Color(0, 0, 0), 10); // Red
    }

    void loop() {
    // Check for data arriving
    if (Serial.available()) {
    character = Serial.read();
    if ((count == 6 ) && (character == 'N')) {
    count = 0;
    content="";
    }
    if (count < 5) {
    content.concat(character);
    count += 1;
    }
    if (count == 5) {
    digitalWrite(led, HIGH);
    Serial.print("rgb ");
    n = content[1];
    r = content[2];
    g = content[3];
    b = content[4];
    n = n%8;
    Serial.println(n);
    //Serial.print(" - ");
    //Serial.println(content);
    strip.setPixelColor(n, strip.Color(r, g, b));
    strip.show();
    count = 6;
    digitalWrite(led, LOW);
    }
    }
    else {
    delay(25);
    }
    l++;
    }

    // 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);
    }
    }

    String defloat(float f) {
    int a = (int) f;
    int b = (int) ((f - a) * 100);
    String s = "";
    s.concat(a);
    s.concat(".");
    s.concat(b);
    return s;
    }