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Allow setting color with an int from rainbowio #72

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merged 1 commit into from
Jul 25, 2022
Merged

Allow setting color with an int from rainbowio #72

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11 changes: 11 additions & 0 deletions adafruit_character_lcd/character_lcd.py
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Original file line number Diff line number Diff line change
Expand Up @@ -673,6 +673,9 @@ def color(self):

The following example turns the LCD red and displays, "Hello, world!".

The property returns a list, but can be set as an int in the format ``0xRRGGBB``,
as output by `rainbowio.colorwheel` for example.

.. code-block:: python

import time
Expand All @@ -691,6 +694,14 @@ def color(self):

@color.setter
def color(self, color):
if isinstance(color, int):
if color >> 24:
raise ValueError("Integer color value must be positive and 24 bits max")
# NOTE: convert to 0-100
r = (color >> 16) / 2.55
g = ((color >> 8) & 0xFF) / 2.55
b = (color & 0xFF) / 2.55
color = [r, g, b]
self._color = color
for number, pin in enumerate(self.rgb_led):
if hasattr(pin, "duty_cycle"):
Expand Down