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Merge pull request #22 from FoamyGuy/py_driver_pixelbuf

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add write() to python driver so it can be used with pixelbuf.
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foamyguy 2023-02-06 15:58:08 -06:00 committed by GitHub
commit 5ac6531e26
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5 changed files with 224 additions and 2 deletions
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14
adafruit_is31fl3741/__init__.py
View file

@ -33,6 +33,7 @@ try:
# Used only for typing
from typing import Optional, Tuple, Union # pylint: disable=unused-import
from circuitpython_typing.pil import Image
from circuitpython_typing import ReadableBuffer
from adafruit_framebuf import FrameBuffer
import busio
except ImportError:
@ -233,6 +234,19 @@ class IS31FL3741:
i2c.write(self._pixel_buffer, start=180, end=352)
self._pixel_buffer[180] = save
def write(self, mapping: Tuple, buffer: ReadableBuffer) -> None:
"""
Write buf out on the I2C bus to the IS31FL3741.
:param mapping: map the pixels in the buffer to the order addressed by the driver chip
:param buffer: The bytes to clock out. No assumption is made about color order
:return: None
"""
for pos, data in enumerate(buffer):
if mapping[pos] != 65535:
self[mapping[pos]] = data
self.show()
IS3741_RGB = (0 << 4) | (1 << 2) | (2) # Encode as R,G,B
IS3741_RBG = (0 << 4) | (2 << 2) | (1) # Encode as R,B,G

5
adafruit_is31fl3741/is31fl3741_pixelbuf.py
View file

@ -19,9 +19,10 @@ import adafruit_pixelbuf
try:
# Used only for typing
from typing import Optional, Type
from typing import Optional, Type, Union
from types import TracebackType
import is31fl3741
from . import IS31FL3741
except ImportError:
pass
@ -78,7 +79,7 @@ class IS31FL3741_PixelBuf(adafruit_pixelbuf.PixelBuf):
def __init__(
self,
is31: is31fl3741.IS31FL3741,
is31: Union[is31fl3741.IS31FL3741, IS31FL3741],
mapping: tuple,
*,
addr: int = 0x30,

93
examples/is31fl3741_rgbmatrix_all_animations.py Normal file
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@ -0,0 +1,93 @@
# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
# SPDX-FileCopyrightText: 2023 Neradoc https://neradoc.me
# SPDX-License-Identifier: MIT
"""
This example repeatedly displays all available animations
on the IS31FL3741 13x9 RGB Matrix, at a five second interval.
"""
import board
from adafruit_led_animation.animation.blink import Blink
from adafruit_led_animation.animation.sparklepulse import SparklePulse
from adafruit_led_animation.animation.comet import Comet
from adafruit_led_animation.animation.chase import Chase
from adafruit_led_animation.animation.pulse import Pulse
from adafruit_led_animation.animation.sparkle import Sparkle
from adafruit_led_animation.animation.rainbowchase import RainbowChase
from adafruit_led_animation.animation.rainbowsparkle import RainbowSparkle
from adafruit_led_animation.animation.rainbowcomet import RainbowComet
from adafruit_led_animation.animation.solid import Solid
from adafruit_led_animation.animation.colorcycle import ColorCycle
from adafruit_led_animation.animation.rainbow import Rainbow
from adafruit_led_animation.animation.customcolorchase import CustomColorChase
from adafruit_led_animation.sequence import AnimationSequence
from adafruit_led_animation.color import PURPLE, WHITE, AMBER, JADE, MAGENTA, ORANGE
from adafruit_is31fl3741 import PREFER_BUFFER
from adafruit_is31fl3741.adafruit_rgbmatrixqt import Adafruit_RGBMatrixQT
from adafruit_is31fl3741.is31fl3741_pixelbuf import IS31FL3741_PixelBuf
# i2c = board.I2C()
i2c = board.STEMMA_I2C()
########################################################################
# Instantiate the nice IS31FL3741
########################################################################
is31 = Adafruit_RGBMatrixQT(i2c, allocate=PREFER_BUFFER)
is31.set_led_scaling(0xFF)
is31.global_current = 0xFF
is31.enable = True
########################################################################
# Setup the mapping and PixelBuf instance
########################################################################
WIDTH = 13
HEIGHT = 9
LEDS_MAP = tuple(
(
address
for y in range(HEIGHT)
for x in range(WIDTH)
for address in Adafruit_RGBMatrixQT.pixel_addrs(x, y)
)
)
pixels = IS31FL3741_PixelBuf(is31, LEDS_MAP, init=False, auto_write=False)
########################################################################
# Run animations
########################################################################
blink = Blink(pixels, speed=0.5, color=JADE)
colorcycle = ColorCycle(pixels, speed=0.4, colors=[MAGENTA, ORANGE])
comet = Comet(pixels, speed=0.01, color=PURPLE, tail_length=10, bounce=True)
chase = Chase(pixels, speed=0.1, size=3, spacing=6, color=WHITE)
pulse = Pulse(pixels, speed=0.1, period=3, color=AMBER)
sparkle = Sparkle(pixels, speed=0.1, color=PURPLE, num_sparkles=10)
solid = Solid(pixels, color=JADE)
rainbow = Rainbow(pixels, speed=0.1, period=2)
sparkle_pulse = SparklePulse(pixels, speed=0.1, period=3, color=JADE)
rainbow_comet = RainbowComet(pixels, speed=0.1, tail_length=7, bounce=True)
rainbow_chase = RainbowChase(pixels, speed=0.1, size=3, spacing=2, step=8)
rainbow_sparkle = RainbowSparkle(pixels, speed=0.1, num_sparkles=15)
custom_color_chase = CustomColorChase(
pixels, speed=0.1, size=2, spacing=3, colors=[ORANGE, WHITE, JADE]
)
animations = AnimationSequence(
comet,
blink,
rainbow_sparkle,
chase,
pulse,
sparkle,
rainbow,
solid,
rainbow_comet,
sparkle_pulse,
rainbow_chase,
custom_color_chase,
advance_interval=5,
auto_clear=True,
)
while True:
animations.animate()

63
examples/is31fl3741_rgbmatrix_animation_sequence.py Normal file
View file

@ -0,0 +1,63 @@
# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
# SPDX-FileCopyrightText: 2023 Neradoc https://neradoc.me
# SPDX-License-Identifier: MIT
"""
This example repeatedly displays all available animations
on the IS31FL3741 13x9 RGB Matrix, at a five second interval.
"""
import board
from adafruit_led_animation.animation.blink import Blink
from adafruit_led_animation.animation.comet import Comet
from adafruit_led_animation.animation.colorcycle import ColorCycle
from adafruit_led_animation.sequence import AnimationSequence
from adafruit_led_animation.color import PURPLE, JADE
from adafruit_is31fl3741 import PREFER_BUFFER
from adafruit_is31fl3741.adafruit_rgbmatrixqt import Adafruit_RGBMatrixQT
from adafruit_is31fl3741.is31fl3741_pixelbuf import IS31FL3741_PixelBuf
# i2c = board.I2C()
i2c = board.STEMMA_I2C()
########################################################################
# Instantiate the nice IS31FL3741
########################################################################
is31 = Adafruit_RGBMatrixQT(i2c, allocate=PREFER_BUFFER)
is31.set_led_scaling(0xFF)
is31.global_current = 0xFF
is31.enable = True
########################################################################
# Setup the mapping and PixelBuf instance
########################################################################
WIDTH = 13
HEIGHT = 9
LEDS_MAP = tuple(
(
address
for y in range(HEIGHT)
for x in range(WIDTH)
for address in Adafruit_RGBMatrixQT.pixel_addrs(x, y)
)
)
pixels = IS31FL3741_PixelBuf(is31, LEDS_MAP, init=False, auto_write=False)
########################################################################
# Run animations
########################################################################
blink = Blink(pixels, speed=0.5, color=JADE)
colorcycle = ColorCycle(pixels, speed=0.4)
comet = Comet(pixels, speed=0.01, color=PURPLE, tail_length=10, bounce=True)
animations = AnimationSequence(
blink,
comet,
colorcycle,
advance_interval=5,
auto_clear=True,
)
while True:
animations.animate()

51
examples/is31fl3741_rgbmatrix_led_animation.py Normal file
View file

@ -0,0 +1,51 @@
# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
# SPDX-FileCopyrightText: 2023 Neradoc https://neradoc.me
# SPDX-License-Identifier: MIT
"""
This example repeatedly displays all available animations
on the IS31FL3741 13x9 RGB Matrix, at a five second interval.
"""
import board
from adafruit_led_animation.animation.blink import Blink
from adafruit_led_animation.color import PINK
from adafruit_is31fl3741 import PREFER_BUFFER
from adafruit_is31fl3741.adafruit_rgbmatrixqt import Adafruit_RGBMatrixQT
from adafruit_is31fl3741.is31fl3741_pixelbuf import IS31FL3741_PixelBuf
# i2c = board.I2C()
i2c = board.STEMMA_I2C()
########################################################################
# Instantiate the nice IS31FL3741
########################################################################
is31 = Adafruit_RGBMatrixQT(i2c, allocate=PREFER_BUFFER)
is31.set_led_scaling(0xFF)
is31.global_current = 0xFF
is31.enable = True
########################################################################
# Setup the mapping and PixelBuf instance
########################################################################
WIDTH = 13
HEIGHT = 9
LEDS_MAP = tuple(
(
address
for y in range(HEIGHT)
for x in range(WIDTH)
for address in Adafruit_RGBMatrixQT.pixel_addrs(x, y)
)
)
pixels = IS31FL3741_PixelBuf(is31, LEDS_MAP, init=False, auto_write=False)
########################################################################
# Run animations
########################################################################
blink = Blink(pixels, speed=0.5, color=PINK)
while True:
blink.animate()