""" Control of WS2812 / NeoPixel LEDs. MicroPython module: https://docs.micropython.org/en/v1.26.0/library/neopixel.html This module provides a driver for WS2818 / NeoPixel LEDs. ``Note:`` This module is only included by default on the ESP8266, ESP32 and RP2 ports. On STM32 / Pyboard and others, you can either install the ``neopixel`` package using :term:`mip`, or you can download the module directly from :term:`micropython-lib` and copy it to the filesystem. """ from __future__ import annotations from _typeshed import Incomplete from _mpy_shed import _NeoPixelBase from machine import Pin from typing import Tuple from typing_extensions import Awaitable, TypeAlias, TypeVar _Color: TypeAlias = tuple[int, int, int] | tuple[int, int, int, int] class NeoPixel(_NeoPixelBase): """ This class stores pixel data for a WS2812 LED strip connected to a pin. The application should set pixel data and then call :meth:`NeoPixel.write` when it is ready to update the strip. For example:: import neopixel # 32 LED strip connected to X8. p = machine.Pin.board.X8 n = neopixel.NeoPixel(p, 32) # Draw a red gradient. for i in range(32): n[i] = (i * 8, 0, 0) # Update the strip. n.write() """ ORDER: Incomplete pin: Incomplete n: Incomplete bpp: Incomplete buf: Incomplete timing: Incomplete def __init__(self, pin, n, bpp: int = 3, timing: int = 1) -> None: """ Construct an NeoPixel object. The parameters are: - *pin* is a machine.Pin instance. - *n* is the number of LEDs in the strip. - *bpp* is 3 for RGB LEDs, and 4 for RGBW LEDs. - *timing* is 0 for 400KHz, and 1 for 800kHz LEDs (most are 800kHz). """ def __len__(self) -> int: """ Returns the number of LEDs in the strip. """ ... def __setitem__(self, i, v) -> None: """ Set the pixel at *index* to the value, which is an RGB/RGBW tuple. """ ... def __getitem__(self, i) -> Tuple: """ Returns the pixel at *index* as an RGB/RGBW tuple. """ ... def fill(self, v) -> None: """ Sets the value of all pixels to the specified *pixel* value (i.e. an RGB/RGBW tuple). """ ... def write(self) -> None: """ Writes the current pixel data to the strip. """ ...