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add power property to _SSD1306 #26

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Merged
merged 4 commits into from
Sep 26, 2019
Merged

add power property to _SSD1306 #26

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6b7b0d9
add power property to _SSD1306
Jun 10, 2019
4a477e8
add docstring to _SSD1306 power property
Jun 10, 2019
fcdf992
fix indentation tab/spaces
Jun 10, 2019
619e598
trying to get the end-of-file just right
Jun 10, 2019
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8 changes: 8 additions & 0 deletions adafruit_ssd1306.py
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Original file line number Diff line number Diff line change
Expand Up @@ -78,9 +78,15 @@ def __init__(self, buffer, width, height, *, external_vcc, reset):
# Note the subclass must initialize self.framebuf to a framebuffer.
# This is necessary because the underlying data buffer is different
# between I2C and SPI implementations (I2C needs an extra byte).
self._power = False
self.poweron()
self.init_display()

@property
def power(self):
"""True if the display is currently powered on, otherwise False"""
return self._power

def init_display(self):
"""Base class to initialize display"""
for cmd in (
Expand Down Expand Up @@ -112,6 +118,7 @@ def init_display(self):
def poweroff(self):
"""Turn off the display (nothing visible)"""
self.write_cmd(SET_DISP | 0x00)
self._power = False

def contrast(self, contrast):
"""Adjust the contrast"""
Expand Down Expand Up @@ -140,6 +147,7 @@ def poweron(self):
self.reset_pin.value = 1
time.sleep(0.010)
self.write_cmd(SET_DISP | 0x01)
self._power = True

def show(self):
"""Update the display"""
Expand Down