#include <FastLED.h>

#define NUM_LEDS 60

#define DATA_PIN 7
#define CLOCK_PIN 13

CRGB leds[NUM_LEDS];

void setup() {
  LEDS.addLeds<WS2811,DATA_PIN,GRB>(leds,NUM_LEDS);
  LEDS.setBrightness(200);

  pinMode(A3, INPUT);  //MSB
  pinMode(A4, INPUT);  //LSB

  //01: Blink every 1 sec
  //10: Cylon

}

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

void LED_Blink(){
  for(int i=0; i<NUM_LEDS;i++)
  {
    leds[i] = CRGB::Red;
  }
  FastLED.show();
  delay(500);
  for(int i=0; i<NUM_LEDS;i++)
  {
    leds[i] = CRGB::Black;
  }
  FastLED.show();
  delay(500);
}

void LED_Cylon(){
  static uint8_t hue = 0;
  Serial.print("x");
  // First slide the led in one direction
  for(int i = 0; i < NUM_LEDS; i++) {
  // Set the i'th led to red 
  leds[i] = CHSV(hue++, 255, 255);
  // Show the leds
  FastLED.show(); 
  // now that we've shown the leds, reset the i'th led to black
  // leds[i] = CRGB::Black;
  fadeall();
  // Wait a little bit before we loop around and do it again
  delay(10);
  }
}

void loop() {
  if(digitalRead(A3)==LOW && digitalRead(A4)==HIGH)
  {
    LED_Blink();
  }
  if(digitalRead(A3)==HIGH && digitalRead(A4)==LOW)
  {
    LED_Cylon();
  }
  if(digitalRead(A3)==LOW && digitalRead(A4)==LOW)
  {
    for(int i=0; i<NUM_LEDS;i++)
  {
    leds[i] = CRGB(0,0,0);
  }
  }
}