/// @file    Blink.ino
/// @brief   Blink the first LED of an LED strip
/// @example Blink.ino

#include <FastLED.h>

// How many leds in your strip?
#define NUM_LEDS 16

// For led chips like WS2812, which have a data line, ground, and power, you just
// need to define DATA_PIN.
// For led chipsets that are SPI based (four wires - data, clock,
// ground, and power), like the LPD8806 define both DATA_PIN and CLOCK_PIN
// Clock pin only needed for SPI based chipsets when not using hardware SPI
#define DATA_PIN 3
#define CLOCK_PIN 13

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

void setup() {
  // initialize digital pin LED_BUILTIN as an output.
  pinMode(LED_BUILTIN, OUTPUT);

  digitalWrite(LED_BUILTIN, HIGH);  // turn the LED on (HIGH is the voltage level)
  delay(1000);                      // wait for a second
  digitalWrite(LED_BUILTIN, LOW);   // turn the LED off by making the voltage LOW
  delay(1000);                      // wait for a second
  
  FastLED.addLeds<NEOPIXEL, DATA_PIN>(leds, NUM_LEDS);  // GRB ordering is assumed
}

int ledcnt=0;
void loop() {
   if (ledcnt>15) { ledcnt=1;}
  // Turn the LED on, then pause
  leds[0] = CRGB::GreenYellow;
  leds[ledcnt]= CRGB::Amethyst;
  leds[ledcnt-1]= CRGB(199, 173, 224);
  leds[ledcnt-2]= CRGB(236, 227, 245);
  FastLED.show();
  
  delay(50);
  // Now turn the LED off, then pause
  leds[0] = CRGB(217, 42, 42);
  //leds[ledcnt]= CRGB::BlanchedAlmond;
  leds[ledcnt]= CRGB::Black;
  leds[ledcnt-1]= CRGB::Black;
  leds[ledcnt-2]= CRGB::Black;
  FastLED.show();
  delay(5);
  ledcnt++;
}