# SPDX-FileCopyrightText: 2019 Melissa LeBlanc-Williams for Adafruit Industries
#
# SPDX-License-Identifier: MIT
"""
`adafruit_featherwing.dotstar_featherwing`
====================================================
Helper for using the `DotStar FeatherWing <https://www.adafruit.com/product/3449>`_.
* Author(s): Melissa LeBlanc-Williams
"""
__version__ = "0.0.0+auto.0"
__repo__ = "https://github.com/adafruit/Adafruit_CircuitPython_FeatherWing.git"
import board
import adafruit_dotstar as dotstar
from adafruit_featherwing.pixelmatrix import PixelMatrix
try:
import typing # pylint: disable=unused-import
from microcontroller import Pin
except ImportError:
pass
[docs]
class DotStarFeatherWing(PixelMatrix):
"""Class representing a `DotStar FeatherWing
<https://www.adafruit.com/product/3449>`_.
The feather uses pins D13 and D11"""
def __init__(
self, clock: Pin = board.D13, data: Pin = board.D11, brightness: float = 0.2
):
"""
:param pin clock: The clock pin for the featherwing
:param pin data: The data pin for the featherwing
:param float brightness: Optional brightness (0.0-1.0) that defaults to 1.0
"""
super().__init__()
self.rows = 6
self.columns = 12
self._matrix = dotstar.DotStar(
clock,
data,
self.rows * self.columns,
brightness=brightness,
auto_write=False,
)