microscope-ring-light-remote-sw/include/animation.h

#ifndef _ANIMATION_H_
#define _ANIMATION_H_

#include <stdint.h>

enum animation_state {
	ANI_RED,
	ANI_GREEN,
	ANI_BLUE,
	ANI_RAINBOW,
	ANI_FLASH_WHITE,
};

struct rgbw_color {
	uint8_t red;
	uint8_t green;
	uint8_t blue;
	uint8_t white;
};

enum rainbow_state {
	RAINBOW_RY,
	RAINBOW_YG,
	RAINBOW_GC,
	RAINBOW_CB,
	RAINBOW_BM,
	RAINBOW_MR,
};

struct animation {
	enum animation_state state;
	enum rainbow_state rb_start_state;
	struct rgbw_color rb_start_color;
	uint32_t step;
	uint32_t last_tick;
	uint32_t next_interval;
};

/**
 * @brief Reset aniamtion to start conditions
 * 
 * @param ani Animation
 */
void animation_reset(struct animation *ani);

/**
 * @brief Poll animation
 * 
 * @param ani Animation
 * @param dmx_universe Target universe to play animation into. Must be big enough
 */
void animation_process(struct animation *ani, uint8_t *dmx_universe);

#endif /* _ANIMATION_H_ */