/*
 * ws2812b.h
 *
 *  The MIT License.
 *  Created on: 14.07.2017
 *      Author: Mateusz Salamon
 *      www.msalamon.pl
 *      mateusz@msalamon.pl
 */

#ifndef WS2812B_H_
#define WS2812B_H_

/* Includes */
#include <stdint.h>

/* Defintions */
#define WS2812B_LEDS (1)

/* Data Structures */
typedef union __attribute__((packed, aligned(4))) ws2812b_color_u {
	struct __attribute__((packed, aligned(4))) rgbx_s {
		uint8_t green;
		uint8_t red;
		uint8_t blue;
		uint8_t x;
	} rgbx;
	struct __attribute__((packed, aligned(4))) rgb_s {
		uint8_t _pad;
		uint8_t green;
		uint8_t red;
		uint8_t blue;
	} rgb;
	uint32_t u32;
	uint8_t  u8[4];
} ws2812b_color;

/* Function Prototypes */
void ws2812_init(SPI_HandleTypeDef *hspi);
void ws2812_set_led_color_val(uint16_t diode_id, uint32_t color);
void ws2812_set_led_color(uint16_t diode_id, ws2812b_color color);
void ws2812_set_led_rgb(uint16_t diode_id, uint8_t r, uint8_t g, uint8_t b);
void ws2812_set_led_rgbx(uint16_t diode_id, uint8_t r, uint8_t g, uint8_t b, uint8_t x);
void ws2812_set_led_hsv(uint16_t diode_id, uint16_t hue, uint8_t sat, uint8_t value);
uint32_t ws2812_get_color(uint16_t diode_id);
uint8_t *ws2812_get_pixels();
void ws2812_refresh();
uint8_t sine8(uint8_t x);
uint8_t gamma8(uint8_t x);

#endif /* WS2812B_H_ */