esp_ws28xx/esp_ws28xx.h

#ifndef MAIN_ESP_WS28XX_H_
#define MAIN_ESP_WS28XX_H_
#include "driver/gpio.h"
#include "driver/spi_master.h"
#include <stdio.h>
#include <string.h>

typedef struct {
    union {
        struct {
            union {
                uint8_t r;
                uint8_t red;
            };

            union {
                uint8_t g;
                uint8_t green;
            };

            union {
                uint8_t b;
                uint8_t blue;
            };
        };

        uint8_t raw[3];
        uint32_t num;
    };
} CRGB;

typedef struct {
    spi_host_device_t host;
    spi_device_handle_t spi;
    int dma_chan;
    spi_device_interface_config_t devcfg;
    spi_bus_config_t buscfg;
} spi_settings_t;

typedef enum {
    WS2812B = 0,
    WS2815,
} led_strip_model_t;

esp_err_t ws28xx_init(int pin, led_strip_model_t model, int num_of_leds,
                      CRGB **led_buffer_ptr);
void ws28xx_fill_all(CRGB color);
esp_err_t ws28xx_update();

#endif /* MAIN_ESP_WS28XX_H_ */