audio-reactive-led-strip/ws2812_i2s.h

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// ws2812_lib.h
#ifndef __WS2812_I2S_H__
#define __WS2812_I2S_H__
#include <stdint.h>
#include "ws2812_defs.h"
// include C-style header
extern "C"
{
#include "ws2812_dma.h"
};
typedef struct
{
uint8_t G; // G,R,B order is determined by WS2812B
uint8_t R;
uint8_t B;
} Pixel_t;
class WS2812
{
public:
WS2812(void);
~WS2812(void);
void init(uint16_t num_leds);
void show(Pixel_t *);
private:
uint16_t num_leds;
uint32_t *i2s_pixels_buffer[WS2812_DITHER_NUM];
uint32_t i2s_zeros_buffer[NUM_I2S_ZERO_WORDS];
sdio_queue_t i2s_zeros_queue[WS2812_DITHER_NUM];
sdio_queue_t i2s_pixels_queue[WS2812_DITHER_NUM];
};
#endif
// end of file