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#include "hardware/pio.h"
#include "neopix.h"
#include "ws2812.pio.h"
void
neopix_init(struct neopix *pix, PIO pio, uint sm, uint pin)
{
uint offset;
pix->sm = sm;
pix->pio = pio;
pix->pin = pin;
offset = pio_add_program(pix->pio, &ws2812_program);
ws2812_program_init(pix->pio, pix->sm, offset,
pix->pin, 800000, false);
}
void
neopix_put(struct neopix *pix, uint32_t rgb) {
pio_sm_put_blocking(pix->pio, pix->sm, rgb << 8u);
}
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