FastLED ESP32 Test

fastled-esp32-test.ino

#include "FastLED.h"

#define DATA_PIN 18
#define NUM_LEDS 14
CRGB leds[NUM_LEDS];

uint8_t gHue = 0;

void setup() {
  pinMode(DATA_PIN, OUTPUT);
  LEDS.addLeds<WS2812B, DATA_PIN, GRB>(leds, NUM_LEDS);
  LEDS.setBrightness(64);
}

void my_fill_solid(struct CRGB * leds, int numToFill, const struct CRGB& color) {
  for (int i = 0; i < numToFill; i++) {
    leds[i] = color;
  }
}

void my_fill_solid_2(CHSV color) {
  for (int i = 0; i < NUM_LEDS; i++) {
    leds[i] = color;
  }
}

void works() {
  CHSV color = CHSV(gHue, 255, 255);
  for (int i = 0; i < NUM_LEDS; i++) {
    leds[i] = color;
  }
}

void loop() {
  CHSV color = CHSV(gHue, 255, 255);

  // resets
  //  fill_solid(leds, NUM_LEDS, color);
  // also resets
  //  my_fill_solid(leds, NUM_LEDS, color);
  // also resets
  //  my_fill_solid_2(color);
  works();
  FastLED.show();
  delay(8); // also resets without this delay
  gHue++;
}