diff options
Diffstat (limited to 'src/neopix.c')
| -rw-r--r-- | src/neopix.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/neopix.c b/src/neopix.c new file mode 100644 index 0000000..ddc78a3 --- /dev/null +++ b/src/neopix.c @@ -0,0 +1,22 @@ +#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); +} |