Hex_colors_to_function.ino

//***************************************************************
// Example of defining a CRGB color using Hex,
// and passing that to a function.
//
// Marc Miller, Feb 2017
//***************************************************************

#include "FastLED.h"
#define DATA_PIN    11
#define CLK_PIN     13
#define LED_TYPE    LPD8806
#define COLOR_ORDER GRB
#define NUM_LEDS    32
#define BRIGHTNESS  50
CRGB leds[NUM_LEDS];

#define MGPu CRGB(0x8010ff) // Mardi Gras Purple
#define MGGr CRGB(0x2cb004) // Green
#define MGGo CRGB(0xff4a00) // Gold


//---------------------------------------------------------------
void setup() {
  Serial.begin(115200);  // Allows serial monitor output (check baud rate)
  delay(3000); // 3 second delay for recovery
  //FastLED.addLeds<LED_TYPE,DATA_PIN,COLOR_ORDER>(leds, NUM_LEDS).setCorrection(TypicalLEDStrip);
  FastLED.addLeds<LED_TYPE,DATA_PIN,CLK_PIN,COLOR_ORDER>(leds, NUM_LEDS).setCorrection(TypicalLEDStrip);
  FastLED.setBrightness(BRIGHTNESS);
}


//---------------------------------------------------------------
void loop() {
  cylon(MGPu);  // Purple.  (Call cylon function with this color.)
  cylon(MGGr);  // Green
  cylon(MGGo);  // Gold
}


//---------------------------------------------------------------
void fadeall()  {  
  for (int i = 0; i < NUM_LEDS; i++) {
    leds[i].nscale8(250);
  }
}

void cylon(CRGB streakcolor) {
  for (int i = 0; i < NUM_LEDS; i++) {
    leds[i] = streakcolor;
    FastLED.show();
    fadeall();
    delay(10);
  }
  for (int i = (NUM_LEDS) - 1; i >= 0; i--) {
    leds[i] = streakcolor;
    FastLED.show();
    fadeall();
    delay(10);
  }
}