FastLED on ESP32-LyraT 4.3

main.c

#include "Arduino.h"
#include "FastLED.h"

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <math.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "nvs.h"
#include "nvs_flash.h"
#include "esp_system.h"
#include "esp_log.h"

#define NUM_LEDS 100
#define DATA_PIN 12
CRGB leds[NUM_LEDS];

#define LED_TAG "FASTLED"

void testCylonSpeed()
{
  fadeToBlackBy(leds, NUM_LEDS, 17);
  static int i = 0;
  if (i >= NUM_LEDS)
  {
    i = 0;
  }
  else
  {
    i++;
  }
  leds[i] = CHSV(200, 255, 255);
}

#ifdef __cplusplus
extern "C"
{
#endif
  void app_main()
  {
    initArduino();

    FastLED.addLeds<WS2812B, DATA_PIN, GRB>(leds, NUM_LEDS);
    fill_solid(leds, NUM_LEDS, CRGB::Black);
    FastLED.show();

    int i = 0;

    while (1)
    {
      testCylonSpeed();
      FastLED.show();
    }
  }
#ifdef __cplusplus
}
#endif