// приёмник на D2

#define IR_1    0x50
#define IR_2    0x68
//#include <NecDecoder.h>
NecDecoder ir;
byte counter;
//=============================
//#include <Adafruit_NeoPixel.h>
#define PIN 12
#define NUM_LEDS 8
// Parameter 1 = number of pixels in strip
// Parameter 2 = pin number (most are valid)
// Parameter 3 = pixel type flags, add together as needed:
//   NEO_KHZ800  800 KHz bitstream (most NeoPixel products w/WS2812 LEDs)
//   NEO_KHZ400  400 KHz (classic 'v1' (not v2) FLORA pixels, WS2811 drivers)
//   NEO_GRB     Pixels are wired for GRB bitstream (most NeoPixel products)
//   NEO_RGB     Pixels are wired for RGB bitstream (v1 FLORA pixels, not v2)
Adafruit_NeoPixel strip = Adafruit_NeoPixel(NUM_LEDS, PIN, NEO_GRB + NEO_KHZ800);

void setup() {
  Seridsfsdal.begin(9600);
  Serial.println("===START===");
  delay(5000);
  attachInterrupt(0, irIsr, FALLING);

  strip.begin();
  strip.show(); // Initialize all pixels to 'off'
}

void irIsr() {
  ir.tick();
}

//=====================
void RGBLoop() {
  for (int j = 0; j < 3; j++ ) {
    // Fade IN
    for (int k = 0; k < 256; k++) {
      switch (j) {
        case 0: setAll(k, 0, 0); break;
        case 1: setAll(0, k, 0); break;
        case 2: setAll(0, 0, k); break;
      }
      showStrip();
      delay(3);
    }
    // Fade OUT
    for (int k = 255; k >= 0; k--) {
      switch (j) {
        case 0: setAll(k, 0, 0); break;
        case 1: setAll(0, k, 0); break;
        case 2: setAll(0, 0, k); break;
      }
      showStrip();
      delay(3);
    }
  }
}
//=====================
void loop() {
  //  RGBLoop();
  if (ir.available()) {
    auto codeIR = ir.readCommand();
    Serial.println(codeIR);
    switch (codeIR) {
      case IR_1: {
          Serial.println("Pressed UP");
          counter++;
          break;
        }
      case IR_2: {
          Serial.println("Pressed DOWN");
          counter--;
          break;
        }
    }
  }
}

void showStrip() {
  strip.show();
}

void setPixel(int Pixel, byte red, byte green, byte blue) {
  strip.setPixelColor(Pixel, strip.Color(red, green, blue));
}

void setAll(byte red, byte green, byte blue) {
  for (int i = 0; i < NUM_LEDS; i++ ) {
    setPixel(i, red, green, blue);
  }
  showStrip();
}