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Fix sleep/wake, again #44

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Fix sleep/wake, again #44

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8743a8f
Update adafruit_displayio_ssd1306.py
regicidalplutophage Jun 30, 2024
5032644
Update adafruit_displayio_ssd1306.py
regicidalplutophage Jul 1, 2024
7d336a6
Update adafruit_displayio_ssd1306.py
regicidalplutophage Jul 1, 2024
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12 changes: 10 additions & 2 deletions adafruit_displayio_ssd1306.py
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Original file line number Diff line number Diff line change
Expand Up @@ -32,11 +32,13 @@

"""
try:
__blinka__ = True
from typing import Union
from busdisplay import BusDisplay
from fourwire import FourWire
from i2cdisplaybus import I2CDisplayBus
except ImportError:
__blinka__ = False
from displayio import FourWire
from displayio import I2CDisplay as I2CDisplayBus
from displayio import Display as BusDisplay
Expand Down Expand Up @@ -127,13 +129,19 @@ def sleep(self) -> None:
active prior to sleeping. MP can access (update) the built-in display RAM.
"""
if self._is_awake:
self.bus.send(0xAE, []) # 0xAE = display off, sleep mode
if __blinka__:
self.bus.send(0xAE, []) # 0xAE = display off, sleep mode
else:
self.bus.send(0xAE, b"") # 0xAE = display off, sleep mode
self._is_awake = False

def wake(self) -> None:
"""
Wake display from sleep mode
"""
if not self._is_awake:
self.bus.send(0xAF, []) # 0xAF = display on
if __blinka__:
self.bus.send(0xAF, []) # 0xAF = display on
else:
self.bus.send(0xAF, b"") # 0xAF = display on
self._is_awake = True
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