Pattern Selections

// FastLED
#include <FastLED.h>
#define NUM_LEDS 48
CRGB leds[NUM_LEDS];

// Using bit-bang method
#define DAT_PIN 6
#define CLK_PIN 12

// patterns variables
const    uint8_t  MAX_PATTERNS   = 2;
volatile uint8_t  pattern        = 0;
volatile uint32_t patternLastRun = 0;

void setup();
void displayPattern(uint8_t pattern);
void loop();
void pattern_one();
void pattern_two();

void setup() {
  LEDS.addLeds<LPD8806, DAT_PIN, CLK_PIN, RGB>(leds, NUM_LEDS);
}

void displayPattern(uint8_t pattern) {
  switch (pattern) {
    case  1: pattern_one(); break;
    case  2: pattern_two(); break;
  }
}

void loop() {
  // check for RF data - PSEUDO CODE
  // if (RFdata) {
  //   // process RF data and extract pattern number
  //   pattern = RFData_Received;
  // }
  displayPattern(pattern);
}

/////////
// if your RF data is simply a trigger, and does not contain data specifically specifying a pattern, use it as a counter
//
// void loop() {
//   // check for RF data - PSEUDO CODE
//   if (RDdata) {
//     pattern++;
//     if (pattern > MAX_PATTERNS) pattern = 1;
//   }
//   displayPattern(pattern);
// }

void pattern_one() {
  if (millis() - patternLastRun > 10) { // Only update when necessary, every 10ms
    leds[random8(NUM_LEDS)] = CHSV(random8(255), 255, 255);
    leds[random8(NUM_LEDS)] = CHSV(random8(255), 255, 255);
    leds[random8(NUM_LEDS)] = CHSV(random8(255), 255, 255);
    LEDS.show();
    fill_solid(&(leds[0]), NUM_LEDS, CRGB::Black);
    patternLastRun = millis();
  }
}

void pattern_two() {
  // create something fun!
}