LPD8806 Strip Test

#include "FastLED.h"

#define NUM_LEDS 24
#define DATA_PIN 11
#define CLOCK_PIN 13

volatile uint8_t col = 0;

// Define the array of leds
CRGB leds[NUM_LEDS];

void setup() {
  LEDS.addLeds<LPD8806,DATA_PIN, CLOCK_PIN, RGB>(leds, NUM_LEDS).setDither(DISABLE_DITHER);
  memset(leds, 0,  NUM_LEDS * sizeof(struct CRGB));
  LEDS.setBrightness(64);
}

void loop() {
  // First slide the led in one direction
  for(int i = 0; i < NUM_LEDS; i++) {
    switch(col) {
      case 0: leds[i] = CRGB::Red; break;
      case 1: leds[i] = CRGB::Green; break;
      case 2: leds[i] = CRGB::Blue; break;
    }
    // Show the leds
    FastLED.show();
    leds[i] = CRGB::Black;
    delay(50);
  }

  // Now go in the other direction.
  for(int i = NUM_LEDS - 2; i >= 0; i--) {
    switch(col) {
      case 0: leds[i] = CRGB::Red; break;
      case 1: leds[i] = CRGB::Green; break;
      case 2: leds[i] = CRGB::Blue; break;
    }
    // Show the leds
    FastLED.show();
    leds[i] = CRGB::Black;
    delay(50);
  }
  FastLED.show();
  col++;
  if (col > 2) col = 0;
  delay(250);
}