53 lines
1.6 KiB
Python
53 lines
1.6 KiB
Python
# SPDX-FileCopyrightText: 2020 Kattni Rembor for Adafruit Industries
|
|
#
|
|
# SPDX-License-Identifier: MIT
|
|
|
|
"""
|
|
`adafruit_led_animation.animation.blink`
|
|
================================================================================
|
|
|
|
Blink animation for CircuitPython helper library for LED animations.
|
|
|
|
* Author(s): Kattni Rembor
|
|
|
|
Implementation Notes
|
|
--------------------
|
|
|
|
**Hardware:**
|
|
|
|
* `Adafruit NeoPixels <https://www.adafruit.com/category/168>`_
|
|
* `Adafruit DotStars <https://www.adafruit.com/category/885>`_
|
|
|
|
**Software and Dependencies:**
|
|
|
|
* Adafruit CircuitPython firmware for the supported boards:
|
|
https://circuitpython.org/downloads
|
|
|
|
|
|
"""
|
|
|
|
from adafruit_led_animation.animation.colorcycle import ColorCycle
|
|
from adafruit_led_animation.color import BLACK
|
|
|
|
|
|
class Blink(ColorCycle):
|
|
"""
|
|
Blink a color on and off.
|
|
|
|
:param pixel_object: The initialised LED object.
|
|
:param float speed: Animation speed in seconds, e.g. ``0.1``.
|
|
:param color: Animation color in ``(r, g, b)`` tuple, or ``0x000000`` hex format.
|
|
:param background_color: Background color in ``(r, g, b)`` tuple, or ``0x000000`` hex format. Defaults to BLACK.
|
|
:param name: A human-readable name for the Animation. Used by the string function.
|
|
"""
|
|
|
|
def __init__(
|
|
self, pixel_object, speed, color, background_color=BLACK, name=None
|
|
):
|
|
self._background_color = background_color
|
|
super().__init__(
|
|
pixel_object, speed, [color, background_color], name=name
|
|
)
|
|
|
|
def _set_color(self, color):
|
|
self.colors = [color, self._background_color]
|