src/adafruit_blinka/microcontroller/pico_u2if/neopixel.py

   1 from .pico_u2if import pico_u2if
   2
   3
   4 def neopixel_write(gpio, buf):
   5     """NeoPixel Writing Function"""
   6
   7     # pad output buffer from 3 bpp to 4 bpp
   8     buffer = []
   9     for i in range(0, len(buf), 3):
  10         buffer.append(0)
  11         buffer.append(buf[i + 2])
  12         buffer.append(buf[i])
  13         buffer.append(buf[i + 1])
  14
  15     pico_u2if.neopixel_write(gpio, buffer)