#include <FastLED.h>

#define LED_PIN     5
#define NUM_LEDS    170
#define BRIGHTNESS  64
#define WIDTH 17              // ширина матрицы
#define HEIGHT 10             // высота матрицы
#define SEGMENTS 1   
#define LED_TYPE    WS2811
#define COLOR_ORDER GRB
CRGB leds[NUM_LEDS];

#define UPDATES_PER_SECOND 100

CRGBPalette16 currentPalette;
TBlendType    currentBlending;

extern CRGBPalette16 myRedWhiteBluePalette;
extern const TProgmemPalette16 myRedWhiteBluePalette_p PROGMEM;
byte hue;
static const byte maxDim = max(WIDTH, HEIGHT);

void setup() 
{
    FastLED.addLeds<LED_TYPE, LED_PIN, COLOR_ORDER>(leds, NUM_LEDS).setCorrection( TypicalLEDStrip );
    FastLED.setBrightness( BRIGHTNESS );
    currentPalette = RainbowColors_p;
    currentBlending = LINEARBLEND;
}


void loop()
{
    rainbowRoutine();
    FastLED.show();
    FastLED.delay(1000 / UPDATES_PER_SECOND);
}


void rainbowRoutine() {
  hue += 3;
  for (byte i = 0; i < WIDTH; i++) {
    CHSV thisColor = CHSV((byte)(hue + i * float(255 / WIDTH)), 255, 255);
    for (byte j = 0; j < HEIGHT; j++)      
    leds[getPixelNumber(i, j)] = thisColor;
  }
}
// *********** радуга дигональная ***********
void rainbowDiagonalRoutine() {
  hue += 3;
  for (byte x = 0; x < WIDTH; x++) {
    for (byte y = 0; y < HEIGHT; y++) {
      CHSV thisColor = CHSV((byte)(hue + (float)(WIDTH / HEIGHT * x + y) * (float)(255 / maxDim)), 255, 255);      
      leds[getPixelNumber(x, y)] = thisColor;
    }
  }
}
uint16_t getPixelNumber(int8_t x, int8_t y) {
 return (x)*(y);

}